uWSGI 1.2

.hgtags

@@ -28,3 +28,26 @@ e91bc724325e14c13b8f548c0b6a315c48a1c32a 0.9.8-rc2
 fd8477b6348faf16588106055ca59df1c488f76a 0.9.8.1
 7169ef1d68d3dab4737bcc3f9e082839e5a06cc1 0.9.8.2
 f4d3c4dcd7a63e21fcc9d8d567374c69935178bd 0.9.8.3
+6945ee03c7ea95eb19217ef1e1fb17d9ae26adbc 0.9.9-beta1
+fb168b0b86169219aa9b8e40f0caa6297cf34dbc 0.9.9-rc1
+6aa667612019fcff8e68af9469f73aff6fa378a8 0.9.9-rc2
+376ffd8f190623e5e2521fe9fa64bf03c31e71be 0.9.9
+7048ae11cfc8453c6bb599af3c0dfacd7ebae43c 1.0-rc1
+7a4e021ea7ba2953e474326612c3bb82d6817f0e 1.0-rc2
+4e4e781ef89ac33e71a7e92741d54549240ed156 1.0-rc3
+24f7e260ea345c2cd73e2fd8191dddbd1b039062 1.0-rc4
+043ba93dd69cf6924e98db3cb9a8759cce997367 1.0-rc5
+a2b8f25fd17ed7424d1470a287d0b3144d2a12c8 1.0-rc6
+a3ca2e8e27c5c12c44ba0cacb4de4cb51377f184 1.0-rc7
+365e2514cc19f0366365318f12a1d63113b02924 1.0-rc8
+5da6fe43a8c29056bc9442c684615e11a3699795 1.0-rc9
+af490b8c30f83bc5fb6f3837a760981474647755 1.0-rc10
+3c70927335856883283fe4db448e092cecc0ccdb 1.0
+8fe7bb792399cb6e6a24e20551f4149409660363 1.0.1
+1d1702789710ec1c20613d2490b14f70756e67ec 1.1-rc1
+901f0cb5de36ea907b26d64ac9ce54605ec531d2 1.1-rc2
+ede5c664978bb40e476e8d4a5789562928f28507 1.1-rc3
+ef99144291f06822d026e981d5d856cbec14d867 1.1-rc4
+e1568fd16b7b586cc72deb4dfccbbe64ae0b84df 1.1
+24c8fe5a26e557db41cf1cee45b8964d5885e484 1.2-rc1
+29de0fb320bc0a1ce84972f9f249360e315d3c10 1.2-rc2

CONTRIBUTORS

@@ -12,3 +12,9 @@ Marco Beri, Link I.T. S.p.a.
 Leonid Borisenko
 Cal Leeming, Simplicity Media Ltd
 Luigi Scarso
+Corey Farwell
+Charles Duffy
+Lukas Lalinsky
+Steven Fernandez
+Łukasz Mierzwa
+Roy Marples

ChangeLog

@@ -1,3 +1,109 @@
+*** april 2012 ***
+
+ * 1.2 [20120430]
+
+- PyPy support 
+- Improved gevent support with threads
+- Python auto-reload subsystem
+- added --spooler-max-tasks
+- pthread robust mutexes support in Linux and Solaris
+- posix semaphores support in FreeBSD9
+- thread-safe ctime() reporting
+- interval support in cron subsystem
+- improved syslog support
+- better management of disconnected clients
+- static files serving improvements
+- another set of multithreading optimizations
+- minor fixes in the Rack plugin
+- Upstart socket-activation support
+
+
+*** march 2012 ***
+
+ * 1.1 [20120317]
+
+- new options parser subsystem
+- improved php support
+- multiple spooler with multiprocessing
+- segmentation fault and floating point exceptions manager
+- never-swap option
+- zergpool plugin
+- perl/psgi multiple interpreters support
+- deadlock detector
+- pluggable cheaper algos
+- new internal routing susbsystem
+- preliminary support for config logic
+- log rotation infrastructure
+- support for paste loggers
+- threading improvements
+- plugins can now mapped to specific modifiers
+- <app> tag is deprecated (use mount option)
+- report startup time for apps
+- reintroduced expat support
+- reintroduced remote spooler plugin
+- various fastrouter optimizations
+- added ruby rvm support
+
+
+*** december 2011 ***
+
+ * 1.0 [20111230]
+
+- adaptive process spawning (--cheaper option)
+- new control options --stop, --reload, --suspend, --resume, --pause
+- stats framework
+- new subscription system
+- support for mime types in static file serving
+- posix capablities support
+- uWSGI mules and farms
+- support for multiple --touch-reload options
+- new logging subsystem
+- new custom locking subsystem
+- process name handling 
+- better (and faster) HTTP parser
+- perl and python threading improvements
+- new plugins: rrdtool, carbon, cgi, php
+- various improvements in the Rack/ruby plugin
+- Linux KSM support
+- refactored ping and nagios plugins
+- support for signals in lazy mode
+- optimized static-file serving
+- support for linux unshare()
+
+*** august 2011 ***
+
+ * 0.9.9 [20110829]
+
+- various spooler improvements
+- upload progress optimizations and fixes
+- new emperor mode: Tyrant
+- allows multiple --ini options
+- better binary path detection
+- gevent loop engine support
+- resolve domain names in socket logging
+- snmp fixes and reintroduction of the snmp-api
+- fixed grunt mode
+- you can specify build profile via env var UWSGI_PROFILE
+- reintroduction of string-based multiapp
+- new option --emperor-throttle
+- improved queue and sharedarea subsystems
+- uWSGI can now be built as a shared library
+- new api attribute: uwsgi.magic_table
+- improved apache2 module
+- new option --pyshell
+- allow threads in gateways
+- fastrouter improvements
+- the application list is now shared and exported to the api
+- allows setting the thread stack size
+- UWSGI_APPID for better multiapp hosting
+- better reloading in lazy mode
+- native pump support
+- various rack fixes
+- support for attaching binary data in the executable
+- new option --set
+- extreme-optimized http protocol parser
+- WSGI handler optimizations
+
 *** july 2011 ***
 
  * 0.9.8.3 [20110723]

Makefile.Py24

@@ -1,2 +0,0 @@
-all:
-	python2.4 uwsgiconfig.py --build

Makefile.Py25

@@ -1,2 +0,0 @@
-all:
-	python2.5 uwsgiconfig.py --build

Makefile.Py26

@@ -1,2 +0,0 @@
-all:
-	python2.6 uwsgiconfig.py --build

Makefile.Py27

@@ -1,2 +0,0 @@
-all:
-	python2.7 uwsgiconfig.py --build

Makefile.Py30

@@ -1,2 +0,0 @@
-all:
-	python3.0 uwsgiconfig.py --build

Makefile.Py31

@@ -1,2 +0,0 @@
-all:
-	python3.1 uwsgiconfig.py --build

Makefile.Py32

@@ -1,2 +0,0 @@
-all:
-	python3.2 uwsgiconfig.py --build

Makefile.PyLua

@@ -1,2 +0,0 @@
-all:
-	python uwsgiconfig.py --build pylua

apache2/mod_Ruwsgi.c

@@ -160,20 +160,35 @@ static int uwsgi_map_location(request_rec *r)
 	return DECLINED;
 }
 
-static void log_err(const char *file, int line, request_rec *r,
+
+#if AP_MODULE_MAGIC_AT_LEAST(20111130,0)
+static void log_err(const char *file, int line, int ami, request_rec *r,
 		apr_status_t status, const char *msg)
 {
+	ap_log_rerror(file, line, APLOG_MODULE_INDEX, APLOG_ERR, status, r, "uwsgi: %s", msg);
+#else
+static void log_err(const char *file, int line, request_rec *r,
+                apr_status_t status, const char *msg)
+{
+
 	ap_log_rerror(file, line, APLOG_ERR, status, r, "uwsgi: %s", msg);
+#endif
 }
 
-static void log_debug(const char *file, int line, request_rec *r, const
+#if AP_MODULE_MAGIC_AT_LEAST(20111130,0)
+static void log_debug(const char *file, int line, int ami, request_rec *r, const
 		char *msg)
 {
 	/*
 	   ap_log_rerror(file, line, APLOG_DEBUG, APR_SUCCESS, r, msg);
 	   ap_log_rerror(file, line, APLOG_WARNING, APR_SUCCESS, r, "uwsgi: %s", msg);
 	   */
+	ap_log_rerror(file, line, APLOG_MODULE_INDEX, APLOG_DEBUG, APR_SUCCESS, r, "uwsgi: %s", msg);
+#else
+static void log_debug(const char *file, int line, request_rec *r, const
+		char *msg) {
 	ap_log_rerror(file, line, APLOG_DEBUG, APR_SUCCESS, r, "uwsgi: %s", msg);
+#endif
 }
 
 /* buffered socket implementation (buckets are overkill) */
@@ -412,7 +427,11 @@ send_headers(request_rec *r, struct sockbuff *s)
 	apr_table_t *t;
 	apr_status_t rv = 0;
 	apr_port_t  port = 0;
+#if AP_MODULE_MAGIC_AT_LEAST(20111130,0)
+	GET_PORT(port, r->useragent_addr);
+#else
 	GET_PORT(port, r->connection->remote_addr);
+#endif
 	uwsgi_cfg *cfg = our_dconfig(r);
 
 	log_debug(APLOG_MARK,r, "sending headers");
@@ -430,7 +449,11 @@ send_headers(request_rec *r, struct sockbuff *s)
 
 	add_header(t, "REQUEST_METHOD", (char *) r->method);
 	add_header(t, "QUERY_STRING", r->args ? r->args : "");
+#if AP_MODULE_MAGIC_AT_LEAST(20111130,0)
+	add_header(t, "SERVER_SOFTWARE", ap_get_server_description());
+#else
 	add_header(t, "SERVER_SOFTWARE", ap_get_server_version());
+#endif
 	add_header(t, "SERVER_ADMIN", r->server->server_admin);
 	add_header(t, "SERVER_NAME", (char *) ap_get_server_name(r));
 	add_header(t, "SERVER_PORT", apr_psprintf(r->pool, "%u",ap_get_server_port(r)));
@@ -438,7 +461,11 @@ send_headers(request_rec *r, struct sockbuff *s)
 	add_header(t, "SERVER_PROTOCOL", r->protocol);
 
 	add_header(t, "REQUEST_URI", original_uri(r));
+#if AP_MODULE_MAGIC_AT_LEAST(20111130,0)
+	add_header(t, "REMOTE_ADDR", r->useragent_ip);
+#else
 	add_header(t, "REMOTE_ADDR", r->connection->remote_ip);
+#endif
 	add_header(t, "REMOTE_PORT", apr_psprintf(r->pool, "%d", port));
 	add_header(t, "REMOTE_USER", r->user);
 	add_header(t, "DOCUMENT_ROOT", (char *) ap_document_root(r));

apache2/mod_uwsgi.c

@@ -2,7 +2,7 @@
         
 *** uWSGI/mod_uwsgi ***
 
-Copyright 2009-2010 Unbit S.a.s. <info@unbit.it>
+Copyright 2009-2012 Unbit S.a.s. <info@unbit.it>
      
 This program is free software; you can redistribute it and/or
 modify it under the terms of the GNU General Public License
@@ -37,11 +37,18 @@ LoadModule uwsgi_module <path_of_apache_modules>/mod_uwsgi.so
 
 */
 
+#include <unistd.h>
+#include <ctype.h>
 #include "apr_strings.h"
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
 #include "httpd.h"
 #include "http_core.h"
+#include "http_protocol.h"
 #include "http_config.h"
 #include "http_log.h"
+#include "util_script.h"
 
 #include <sys/socket.h>
 #include <sys/un.h>
@@ -73,6 +80,7 @@ typedef struct {
 	char scheme[9];
 	int cgi_mode ;
 	int max_vars;
+	int empty_remote_user;
 } uwsgi_cfg;
 
 module AP_MODULE_DECLARE_DATA uwsgi_module;
@@ -161,6 +169,8 @@ static void *uwsgi_server_config(apr_pool_t *p, server_rec *s) {
 	c->modifier2 = 0 ;
 	c->cgi_mode = 0 ;
 	c->max_vars = 128;
+	c->script_name[0] = 0;
+	c->empty_remote_user = 1;
 
 	return c;
 }
@@ -176,6 +186,13 @@ static void *uwsgi_dir_config(apr_pool_t *p, char *dir) {
 	c->modifier2 = 0 ;
 	c->cgi_mode = 0 ;
 	c->max_vars = 128;
+	c->empty_remote_user = 1;
+	c->script_name[0] = 0;
+	if (dir) {
+		if (strcmp(dir, "/")) {
+			strncpy(c->script_name, dir, 255);
+		}
+	}
 
 	return c;
 }
@@ -336,8 +353,20 @@ static int uwsgi_handler(request_rec *r) {
 	vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "SERVER_PORT", apr_psprintf(r->pool, "%u",ap_get_server_port(r)), &pkt_size) ;
 	vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "SERVER_PROTOCOL", r->protocol, &pkt_size) ;
 	vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "REQUEST_URI", r->unparsed_uri, &pkt_size) ;
+#if AP_MODULE_MAGIC_AT_LEAST(20111130,0)
+	vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "REMOTE_ADDR", r->useragent_ip, &pkt_size) ;
+#else
 	vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "REMOTE_ADDR", r->connection->remote_ip, &pkt_size) ;
-	vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "REMOTE_USER", r->user ? r->user : "", &pkt_size) ;
+#endif
+
+	// 
+	if (r->user) {
+		vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "REMOTE_USER", r->user, &pkt_size) ;
+	}
+	else if (c->empty_remote_user) {
+		vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "REMOTE_USER", "", &pkt_size) ;
+	}
+
 	if (r->user) {
 		vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "AUTH_TYPE", (char *) ap_auth_type(r), &pkt_size) ;
 	}
@@ -347,31 +376,14 @@ static int uwsgi_handler(request_rec *r) {
 		vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "UWSGI_SCHEME", c->scheme, &pkt_size) ;
 	}
 
-	if (c->script_name[0] == '/') {
-		if (c->script_name[1] == 0) {
-			vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "SCRIPT_NAME", "", &pkt_size) ;
-			vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "PATH_INFO", r->uri, &pkt_size) ;
-		}
-		else {
-			vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "SCRIPT_NAME", c->script_name, &pkt_size) ;
-			vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "PATH_INFO", r->uri+strlen(c->script_name), &pkt_size) ;
-		}
+	// SCRIPT_NAME = "/" is like SCRIPT_NAME = ""
+	if (c->script_name[0] != 0 && !(c->script_name[0] == '/' && c->script_name[1] == 0)) {
+		vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "SCRIPT_NAME", c->script_name, &pkt_size) ;
+		vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "PATH_INFO", r->uri+strlen(c->script_name), &pkt_size) ;
 	}
 	else {
-		if (r->path_info) {
-			if (strlen(r->path_info) <= 0) {
-				vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "SCRIPT_NAME", "", &pkt_size) ;
-				vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "PATH_INFO", r->uri, &pkt_size) ;
-			}
-			else {
-				vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "SCRIPT_NAME", apr_pstrndup(r->pool, r->uri, (strlen(r->uri) - strlen(r->path_info) )) , &pkt_size) ;
-				vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "PATH_INFO", r->path_info, &pkt_size) ;
-			}
-		}
-		else {
-			vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "SCRIPT_NAME", "", &pkt_size) ;
-			vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "PATH_INFO", r->uri, &pkt_size) ;
-		}
+		vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "SCRIPT_NAME", "", &pkt_size) ;
+		vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "PATH_INFO", r->uri, &pkt_size) ;
 	}
 
 
@@ -632,7 +644,7 @@ static const char * cmd_uwsgi_force_cgi_mode(cmd_parms *cmd, void *cfg, const ch
                 c = ap_get_module_config(cmd->server->module_config, &uwsgi_module);
         }
 
-	if (!strcmp("yes", value) || !strcmp("on", value) || !strcmp("enable", value) || !strcmp("1", value)) {
+	if (!strcmp("yes", value) || !strcmp("on", value) || !strcmp("enable", value) || !strcmp("1", value) || !strcmp("true", value)) {
 		c->cgi_mode = 1 ;
 	}
 
@@ -733,6 +745,28 @@ static const char * cmd_uwsgi_socket(cmd_parms *cmd, void *cfg, const char *path
 	return NULL ;
 }
 
+static const char * cmd_uwsgi_empty_remote_user(cmd_parms *cmd, void *cfg, const char *value) {
+
+	uwsgi_cfg *c ;
+
+	if (cfg) {
+		c = cfg ;
+	}
+	else {
+		c = ap_get_module_config(cmd->server->module_config, &uwsgi_module);
+	}
+
+	if (!strcmp("yes", value) || !strcmp("on", value) || !strcmp("enable", value) || !strcmp("1", value) || !strcmp("true", value)) {
+		c->empty_remote_user = 1;
+	}
+	else {
+		c->empty_remote_user = 0;
+	}
+
+	return NULL ;
+
+}
+
 static const command_rec uwsgi_cmds[] = {
 	AP_INIT_TAKE12("uWSGIsocket", cmd_uwsgi_socket, NULL, RSRC_CONF|ACCESS_CONF, "Absolute path and optional timeout in seconds of uwsgi server socket"),	
 	AP_INIT_TAKE1("uWSGIsocket2", cmd_uwsgi_socket2, NULL, RSRC_CONF|ACCESS_CONF, "Absolute path of failover uwsgi server socket"),	
@@ -741,6 +775,7 @@ static const command_rec uwsgi_cmds[] = {
 	AP_INIT_TAKE1("uWSGIforceScriptName", cmd_uwsgi_force_script_name, NULL, ACCESS_CONF, "Fix for PATH_INFO/SCRIPT_NAME when the location has filesystem correspondence"),	
 	AP_INIT_TAKE1("uWSGIforceCGImode", cmd_uwsgi_force_cgi_mode, NULL, ACCESS_CONF, "Force uWSGI CGI mode for perfect integration with apache filter"),	
 	AP_INIT_TAKE1("uWSGIforceWSGIscheme", cmd_uwsgi_force_wsgi_scheme, NULL, ACCESS_CONF, "Force the WSGI scheme var (set by default to \"http\")"),	
+	AP_INIT_TAKE1("uWSGIemptyRemoteUser", cmd_uwsgi_empty_remote_user, NULL, ACCESS_CONF, "Always include REMOTE_USER in the environment, even with an empty value (default true)"),
 	AP_INIT_TAKE1("uWSGImaxVars", cmd_uwsgi_max_vars, NULL, ACCESS_CONF, "Set the maximum allowed number of uwsgi variables (default 128)"),	
 	{NULL}
 };

bootstrap.py

@@ -1,4 +1,5 @@
 import sys
 import uwsgi
 
+print("i am the bootstrap for uwsgi.SymbolsImporter")
 sys.meta_path.insert(0, uwsgi.SymbolsImporter())

bootstrap5.py

@@ -0,0 +1,3 @@
+import uwsgi
+
+print uwsgi.extract("data://0")

buildconf/default.ini

@@ -1,5 +1,5 @@
 [uwsgi]
-xml = true
+xml = auto
 ini = true
 yaml = true
 json = auto
@@ -15,19 +15,20 @@ threading = true
 sendfile = true
 minterpreters = true
 async = true
-evdis = false
 ldap = auto
 pcre = auto
+routing = auto
 debug = false
 unbit = false
 xml_implementation = libxml2
 yaml_implementation = auto
 malloc_implementation = libc
+extras = 
 plugins =
 bin_name = uwsgi
 append_version =
 plugin_dir = .
-embedded_plugins = python, ping, cache, nagios, rpc, fastrouter, http, ugreen
+embedded_plugins = python, ping, cache, nagios, rrdtool, carbon, rpc, fastrouter, http, ugreen, signal, syslog, rsyslog, logsocket, router_uwsgi, router_redirect, router_basicauth, zergpool
 as_shared_library = false
 
 locking = auto
@@ -35,6 +36,9 @@ event = auto
 timer = auto
 filemonitor = auto
 
+blacklist =
+whitelist =
+
 embed_files =
 
 embed_config =

buildconf/gevent.ini

@@ -0,0 +1,3 @@
+[uwsgi]
+inherit = default
+embedded_plugins = python, ping, cache, nagios, rpc, fastrouter, http, gevent

buildconf/lib.ini

@@ -1,5 +1,5 @@
 [uwsgi]
 inherit = default
 bin_name = libuwsgi.so
-embedded_plugins = symcall
+embedded_plugins = null
 as_shared_library = true

buildconf/pypy.ini

@@ -0,0 +1,5 @@
+[uwsgi]
+inherit = default
+bin_name = libuwsgi.so
+embedded_plugins = symcall
+as_shared_library = true

buildconf/pyuwsgi.ini

@@ -0,0 +1,5 @@
+[uwsgi]
+inherit = default
+bin_name = pyuwsgi.so
+embedded_plugins = pyuwsgi,python,ping,cache,nagios,rpc,ugreen
+as_shared_library = true

buildconf/unbit.ini

@@ -2,8 +2,8 @@
 xml = true
 ini = true
 yaml = true
-json = true
-sqlite3 = true
+json = false
+sqlite3 = false
 zeromq = false
 snmp = false
 sctp = false
@@ -15,12 +15,12 @@ threading = true
 sendfile = true
 minterpreters = true
 async = true
-evdis = false
 ldap = true
-pcre = false
+pcre = true
+routing = true
 debug = false
 unbit = true
-xml_implementation = libxml2
+xml_implementation = expat
 yaml_implementation = auto
 malloc_implementation = libc
 plugins =

buildconf/upcode.ini

@@ -0,0 +1,49 @@
+[uwsgi]
+xml = false
+ini = true
+yaml = false
+json = false
+sqlite3 = false
+zeromq = false
+snmp = false
+sctp = false
+spooler = true
+embedded = true
+udp = true
+multicast = false
+threading = true
+sendfile = true
+minterpreters = true
+async = true
+evdis = false
+ldap = false
+pcre = true
+routing = true
+debug = false
+unbit = false
+xml_implementation = libxml2
+yaml_implementation = auto
+malloc_implementation = libc
+extras = 
+plugins =
+bin_name = uwsgi
+append_version =
+plugin_dir = .
+embedded_plugins =
+as_shared_library = false
+
+locking = auto
+event = auto
+timer = auto
+filemonitor = auto
+
+blacklist =
+whitelist =
+
+embed_files =
+
+embed_config =
+
+[python]
+paste = true
+web3 = true

cache.c

@@ -6,12 +6,7 @@ void uwsgi_init_cache() {
 	int i;
 
 	if (!uwsgi.cache_blocksize)
-                        uwsgi.cache_blocksize = UMAX16;
-
-                if (uwsgi.cache_blocksize % uwsgi.page_size != 0) {
-                        uwsgi_log("invalid cache blocksize %llu: must be a multiple of memory page size (%d bytes)\n", (unsigned long long) uwsgi.cache_blocksize, uwsgi.page_size);
-                        exit(1);
-                }
+        	uwsgi.cache_blocksize = UMAX16;
 
                 uwsgi.cache_hashtable = (uint64_t *) mmap(NULL, sizeof(uint64_t) * UMAX16, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0);
                 if (!uwsgi.cache_hashtable) {
@@ -88,155 +83,10 @@ void uwsgi_init_cache() {
 
                 uwsgi.cache = ((void *) uwsgi.cache_items) + (sizeof(struct uwsgi_cache_item) * uwsgi.cache_max_items);
 
-                uwsgi.cache_lock = uwsgi_mmap_shared_rwlock();
-                uwsgi_rwlock_init(uwsgi.cache_lock);
+                uwsgi.cache_lock = uwsgi_rwlock_init("cache");
 
-                uwsgi_log("*** Cache subsystem initialized: %dMB preallocated ***\n", ((sizeof(uint64_t) * UMAX16) + (sizeof(uint64_t) * uwsgi.cache_max_items) + (uwsgi.cache_blocksize * uwsgi.cache_max_items) + (sizeof(struct uwsgi_cache_item) * uwsgi.cache_max_items)) / (1024 * 1024));
-}
-
-struct uwsgi_subscriber_name *uwsgi_get_subscriber(struct uwsgi_dict *udict, char *key, uint16_t keylen) {
-
-	uint64_t ovl;
-	struct uwsgi_subscriber *usub;
-	struct uwsgi_subscriber_name *ret = NULL;
-	
-	usub = (struct uwsgi_subscriber *) uwsgi_dict_get(udict, key, keylen, &ovl);
-
-	if (usub == NULL || !ovl) return NULL;
-
-	if (!usub->nodes) return NULL;
-
-	if (usub && ovl) {
-		ret = &usub->names[usub->current];
-		// dead node
-		if (ret->len == 0) {
-			if (usub->current == usub->nodes-1) {
-				usub->nodes--;
-			}
-			// retry with another node (if available)
-			if (usub->nodes > 0) {
-				usub->current++;
-				if (usub->current >= usub->nodes) usub->current = 0;
-				return uwsgi_get_subscriber(udict, key, keylen);
-			}
-		}
-
-		if (usub->nodes > 1) {
-			usub->current++;
-			if (usub->current >= usub->nodes) usub->current = 0;
-		}
-
-	}
-
-	return ret;
-}
-
-void uwsgi_add_subscriber(struct uwsgi_dict *udict, struct uwsgi_subscribe_req *usr) {
-
-	char *ptr;
-	uint64_t vallen = 0;
-	struct uwsgi_subscriber *usub, nusub;
-	int found = 0;
-	int i;
-	
-	ptr = uwsgi_dict_get(udict, usr->key, usr->keylen, &vallen);
-	if (ptr && vallen) {
-		usub = (struct uwsgi_subscriber *) ptr;
-		for(i=0;i<(int)usub->nodes;i++) {
-			if (!uwsgi_strncmp(usub->names[i].name, usub->names[i].len, usr->address, usr->address_len)) {
-				found = 1;
-				break;
-			}
-		}
-		if (!found) {
-			found = usub->nodes;
-			// check for unallocated slot
-			for(i=0;i<(int)usub->nodes;i++) {
-				if (usub->names[i].len == 0) {
-					found = i;
-					break;
-				}
-			}
-			usub->names[found].len = usr->address_len;
-			usub->names[found].modifier1 = usr->modifier1;
-			usub->names[found].modifier2 = usr->modifier2;
-			memcpy(usub->names[found].name, usr->address, usr->address_len);
-			if (found == (int) usub->nodes) {
-				usub->nodes++;
-			}
-		}
-		return;
-	}
-	else {
-		nusub.nodes = 1;
-		nusub.current = 0;
-		memcpy(nusub.names[0].name, usr->address, usr->address_len);
-		nusub.names[0].modifier1 = usr->modifier1;
-		nusub.names[0].modifier2 = usr->modifier2;
-		uwsgi_dict_set(udict, usr->key, usr->keylen, (char *) &nusub, sizeof(struct uwsgi_subscriber));
-	}
-
-}
-
-struct uwsgi_dict *uwsgi_dict_create(uint64_t items, uint64_t blocksize) {
-
-	int i;
-
-	struct uwsgi_dict *udict = (struct uwsgi_dict *) mmap(NULL, sizeof(uint64_t) * UMAX16, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0);
-	if (!udict) {
-        	uwsgi_error("mmap()");
-                exit(1);
-	}
-
-	if (!blocksize) blocksize = 4096;
-
-        if (blocksize % uwsgi.page_size != 0) {
-        	uwsgi_log("invalid shared dictionary blocksize %llu: must be a multiple of memory page size (%d bytes)\n", (unsigned long long) udict->blocksize, uwsgi.page_size);
-        	exit(1);
-	}
-
-	udict->blocksize = blocksize;
-	udict->max_items = items;
-
-        udict->hashtable = (uint64_t *) mmap(NULL, sizeof(uint64_t) * UMAX16, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0);
-        if (!udict->hashtable) {
-        	uwsgi_error("mmap()");
-                exit(1);
-	}
-
-        memset(udict->hashtable, 0, sizeof(uint64_t) * UMAX16);
-
-        udict->unused_stack = (uint64_t *) mmap(NULL, sizeof(uint64_t) * udict->max_items, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0);
-        if (!udict->unused_stack) {
-        	uwsgi_error("mmap()");
-                exit(1);
-	}
-
-        memset(udict->unused_stack, 0, sizeof(uint64_t) * udict->max_items);
-
-        udict->items = (struct uwsgi_dict_item *) mmap(NULL, sizeof(struct uwsgi_dict_item) * udict->max_items, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0);
-        if (!udict->items) {
-        	uwsgi_error("mmap()");
-                exit(1);
-        }
-
-        udict->data = mmap(NULL, udict->blocksize * udict->max_items, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0);
-        if (!udict->data) {
-        	uwsgi_error("mmap()");
-                exit(1);
-        }
-
-        for(i=0;i< (int) udict->max_items;i++) {
-        	memset(&udict->items[i], 0, sizeof(struct uwsgi_dict_item));
-        }
-
-        udict->first_available_item = 1;
-        udict->unused_stack_ptr = 0;
-
-        udict->lock = uwsgi_mmap_shared_lock();
-        uwsgi_lock_init(udict->lock);
-
-	return udict;
+                uwsgi_log("*** Cache subsystem initialized: %dMB (key: %llu bytes, keys: %llu bytes, data: %llu bytes) preallocated ***\n", ((uwsgi.cache_blocksize * uwsgi.cache_max_items) + (sizeof(struct uwsgi_cache_item) * uwsgi.cache_max_items)) / (1024 * 1024),
+				 (unsigned long long) sizeof(struct uwsgi_cache_item), (unsigned long long) sizeof(struct uwsgi_cache_item) * uwsgi.cache_max_items, (unsigned long long) uwsgi.cache_blocksize * uwsgi.cache_max_items);
 }
 
 uint32_t djb33x_hash(char *key, int keylen) {
@@ -252,89 +102,6 @@ uint32_t djb33x_hash(char *key, int keylen) {
 }
 
 
-inline uint64_t uwsgi_dict_get_index(struct uwsgi_dict *udict, char *key, uint16_t keylen) {
-
-        uint32_t hash = djb33x_hash(key, keylen);
-
-        int hash_key = hash % 0xffff;
-
-        uint64_t slot = udict->hashtable[hash_key];
-
-        struct uwsgi_dict_item *udi;
-
-        udi = &udict->items[slot];
-
-        // first round
-        if (udi->djbhash != hash) goto cycle;
-        if (udi->keysize != keylen) goto cycle;
-        if (memcmp(udi->key, key, keylen)) goto cycle;
-
-        return slot;
-
-cycle:
-        while(udi->next) {
-                slot = udi->next;
-                udi = &udict->items[slot];
-                if (udi->djbhash != hash) continue;
-                if (udi->keysize != keylen) continue;
-                if (!memcmp(udi->key, key, keylen)) return slot;
-        }
-
-        return 0;
-}
-
-char *uwsgi_dict_get(struct uwsgi_dict *udict, char *key, uint16_t keylen, uint64_t *valsize) {
-
-        uint64_t index = uwsgi_dict_get_index(udict, key, keylen);
-
-        if (index) {
-                *valsize = udict->items[index].valsize;
-                udict->items[index].hits++;
-                return udict->data+(index*udict->blocksize);
-        }
-
-        return NULL;
-}
-
-int uwsgi_dict_del(struct uwsgi_dict *udict, char *key, uint16_t keylen) {
-
-        uint64_t index = 0;
-        struct uwsgi_dict_item *udi;
-        int ret = -1;
-
-        index = uwsgi_dict_get_index(udict, key, keylen);
-        if (index) {
-                udi = &udict->items[index] ;
-                udi->keysize = 0;
-                udi->valsize = 0;
-                udict->unused_stack_ptr++;
-                udict->unused_stack[udict->unused_stack_ptr] = index;
-                // try to return to initial condition...
-                if (index == udict->first_available_item-1) {
-                        udict->first_available_item--;
-                }
-                ret = 0;
-                // relink collisioned entry
-                if (udi->prev) {
-                        udict->items[udi->prev].next = udi->next;
-                }
-                if (udi->next) {
-                        udict->items[udi->next].prev = udi->prev;
-                }
-                if (!udi->prev && !udi->next) {
-                        // reset hashtable entry
-                        udict->hashtable[udi->djbhash % 0xffff] = 0;
-                }
-                udi->djbhash = 0;
-                udi->prev = 0;
-                udi->next = 0;
-        }
-
-        return ret;
-}
-
-
-
 inline uint64_t uwsgi_cache_get_index(char *key, uint16_t keylen) {
 
 	uint32_t hash = djb33x_hash(key, keylen);
@@ -344,13 +111,14 @@ inline uint64_t uwsgi_cache_get_index(char *key, uint16_t keylen) {
 	uint64_t slot = uwsgi.cache_hashtable[hash_key];
 
 	struct uwsgi_cache_item *uci;
+	uint64_t rounds = 0;
 
 	//uwsgi_log("found slot %d for key %d\n", slot, hash_key);
 
 	uci = &uwsgi.cache_items[slot];
 
 	// first round
-	if (uci->djbhash != hash) goto cycle;
+	if (uci->djbhash != hash) return 0;
 	if (uci->keysize != keylen) goto cycle;
 	if (memcmp(uci->key, key, keylen)) goto cycle;
 
@@ -360,7 +128,20 @@ cycle:
 	while(uci->next) {
 		slot = uci->next;
 		uci = &uwsgi.cache_items[slot];
-		if (uci->djbhash != hash) continue;
+		rounds++;
+		if (rounds > uwsgi.cache_max_items) {
+			uwsgi_log("ALARM !!! cache-loop (and potential deadlock) detected slot = %llu prev = %llu next = %llu\n", uci->next, slot, uci->prev, uci->next);	
+			// terrible case: the whole uWSGI stack can deadlock, leaving only the master alive
+			// if the master is avalable, trigger a brutal reload
+			if (uwsgi.master_process) {
+				kill(uwsgi.workers[0].pid, SIGTERM);
+			}
+			// otherwise kill the current worker (could be pretty useless...)
+			else {
+				exit(1);
+			}
+		}
+		if (uci->djbhash != hash) return 0;
 		if (uci->keysize != keylen) continue;
 		if (!memcmp(uci->key, key, keylen)) return slot;
 	}
@@ -387,13 +168,14 @@ char *uwsgi_cache_get(char *key, uint16_t keylen, uint64_t *valsize) {
 	return NULL;
 }
 
-int uwsgi_cache_del(char *key, uint16_t keylen) {
+int uwsgi_cache_del(char *key, uint16_t keylen, uint64_t index) {
 
-	uint64_t index = 0;
 	struct uwsgi_cache_item *uci;
 	int ret = -1;
 
-	index = uwsgi_cache_get_index(key, keylen);
+	if (!index)
+		index = uwsgi_cache_get_index(key, keylen);
+
 	if (index) {
 		uci = &uwsgi.cache_items[index] ;
 		uci->keysize = 0;
@@ -410,9 +192,15 @@ int uwsgi_cache_del(char *key, uint16_t keylen) {
 		if (uci->prev) {
 			uwsgi.cache_items[uci->prev].next = uci->next;	
 		}
+		else {
+			// set next as the new entry point (could be 0)
+			uwsgi.cache_hashtable[uci->djbhash % 0xffff] = uci->next;
+		}
+
 		if (uci->next) {
 			uwsgi.cache_items[uci->next].prev = uci->prev;	
 		}
+
 		if (!uci->prev && !uci->next) {
 			// reset hashtable entry
 			//uwsgi_log("!!! resetted hashtable entry !!!\n");
@@ -421,6 +209,7 @@ int uwsgi_cache_del(char *key, uint16_t keylen) {
 		uci->djbhash = 0;
 		uci->prev = 0;
 		uci->next = 0;
+		uci->expires = 0;
 	}
 
 	return ret;
@@ -495,6 +284,9 @@ int uwsgi_cache_set(char *key, uint16_t keylen, char *val, uint64_t vallen, uint
 		ret = 0;
 		// now put the value in the 16bit hashtable
 		slot = uci->djbhash % 0xffff;
+		// reset values
+		uci->prev = 0;
+		uci->next = 0;
 
 		if (uwsgi.cache_hashtable[slot] == 0) {
 			uwsgi.cache_hashtable[slot] = index;
@@ -512,7 +304,7 @@ int uwsgi_cache_set(char *key, uint16_t keylen, char *val, uint64_t vallen, uint
 			uci->prev = last_index;
 		}
 	}
-	else if (flags && UWSGI_CACHE_FLAG_UPDATE) {
+	else if (flags & UWSGI_CACHE_FLAG_UPDATE) {
 		uci = &uwsgi.cache_items[index] ;
 		if (expires) {
 			expires += time(NULL);
@@ -528,71 +320,6 @@ end:
 	
 }
 
-int uwsgi_dict_set(struct uwsgi_dict *udict, char *key, uint16_t keylen, char *val, uint64_t vallen) {
-
-        uint64_t index = 0, last_index = 0 ;
-
-        struct uwsgi_dict_item *udi, *udii;
-
-        int ret = -1;
-        int slot;
-
-        if (!keylen || !vallen) return -1;
-
-        if (keylen > UWSGI_CACHE_MAX_KEY_SIZE) return -1;
-
-        if (udict->first_available_item >= udict->max_items && !udict->unused_stack_ptr) {
-                uwsgi_log("*** DANGER dictionary %p is FULL !!! ***\n", udict);
-                goto end;
-        }
-
-        index = uwsgi_dict_get_index(udict, key, keylen);
-        if (!index) {
-                if (udict->unused_stack_ptr) {
-                        index = udict->unused_stack[udict->unused_stack_ptr];
-                        udict->unused_stack_ptr--;
-                }
-                else {
-                        index = udict->first_available_item;
-                        if (udict->first_available_item < udict->max_items) {
-                                udict->first_available_item++;
-                        }
-                }
-                udi = &udict->items[index] ;
-                udi->djbhash = djb33x_hash(key, keylen);
-                udi->hits = 0;
-                memcpy(udi->key, key, keylen);
-                memcpy(udict->data+(index*udict->blocksize), val, vallen);
-
-                // set this as late as possibile (to reduce races risk)
-
-                udi->valsize = vallen;
-                udi->keysize = keylen;
-                ret = 0;
-                // now put the value in the 16bit hashtable
-                slot = udi->djbhash % 0xffff;
-
-                if (udict->hashtable[slot] == 0) {
-                        udict->hashtable[slot] = index;
-                }
-                else {
-                        // append to first available next
-                        last_index = udict->hashtable[slot];
-                        udii = &udict->items[ last_index ];
-                        while(udii->next) {
-                                last_index = udii->next;
-                                udii = &udict->items[ last_index ];
-                        }
-                        udii->next = index;
-                        udi->prev = last_index;
-                }
-        }
-
-end:
-        return ret;
-
-}
-
 /* THIS PART IS HEAVILY OPTIMIZED: PERFORMANCE NOT ELEGANCE !!! */
 
 void *cache_thread_loop(void *fd_ptr) {

cluster.c

@@ -0,0 +1,363 @@
+#include "uwsgi.h"
+
+extern struct uwsgi_server uwsgi;
+
+
+#ifdef UWSGI_UDP
+
+static void cluster_manage_opt(char *key, uint16_t keylen, char *value, uint16_t vallen, void *foobar) {
+
+	add_exported_option( uwsgi_concat2n(key, keylen, "", 0), uwsgi_concat2n(value, vallen, "", 0), 0);
+
+}
+
+void cluster_setup() {
+
+	int rlen;
+// get cluster configuration
+        if (uwsgi.cluster != NULL) {
+                // get multicast socket
+
+                uwsgi.cluster_fd = uwsgi_cluster_join(uwsgi.cluster);
+
+                uwsgi_log("JOINED CLUSTER: %s\n", uwsgi.cluster);
+
+                // ask for cluster options only if bot pre-existent options are set
+                if (uwsgi.exported_opts_cnt == 1 && !uwsgi.cluster_nodes) {
+                        // now wait max 60 seconds and resend multicast request every 10 seconds
+                        for (;;) {
+                                uwsgi_log("asking \"%s\" uWSGI cluster for configuration data:\n", uwsgi.cluster);
+                                if (uwsgi_send_empty_pkt(uwsgi.cluster_fd, uwsgi.cluster, 99, 0) < 0) {
+                                        uwsgi_log("unable to send multicast message to %s\n", uwsgi.cluster);
+                                        continue;
+                                }
+                              waitfd:
+                                rlen = uwsgi_waitfd(uwsgi.cluster_fd, 10);
+                                if (rlen < 0) {
+                                        break;
+                                }
+                                else if (rlen > 0) {
+                                        // receive the packet
+                                        char clusterbuf[4096];
+                                        if (!uwsgi_hooked_parse_dict_dgram(uwsgi.cluster_fd, clusterbuf, 4096, 99, 1, cluster_manage_opt, NULL)) {
+                                                uwsgi_configure();
+                                                goto options_parsed;
+                                        }
+                                        else {
+                                                goto waitfd;
+                                        }
+                                }
+                        }
+                }
+              options_parsed:
+
+                if (!uwsgi.cluster_nodes)
+                        uwsgi_cluster_add_me();
+        }
+}
+
+
+
+
+void uwsgi_cluster_add_node(struct uwsgi_cluster_node *nucn, int type) {
+
+        int i;
+        struct uwsgi_cluster_node *ucn;
+        char *tcp_port;
+
+#ifdef UWSGI_DEBUG
+        uwsgi_log("adding node\n");
+#endif
+
+        tcp_port = strchr(nucn->name, ':');
+#ifndef UWSGI_ZEROMQ
+        if (tcp_port == NULL) {
+#else
+        char *zmq_dash = strchr(nucn->name, '-');
+        if (tcp_port == NULL && zmq_dash == NULL) {
+#endif
+
+                fprintf(stdout, "invalid cluster node name %s\n", nucn->name);
+                return;
+        }
+
+        // first check for already present node
+        for (i = 0; i < MAX_CLUSTER_NODES; i++) {
+                ucn = &uwsgi.shared->nodes[i];
+                if (ucn->name[0] != 0) {
+                        if (!strcmp(ucn->name, nucn->name)) {
+                                ucn->status = UWSGI_NODE_OK;
+                                ucn->last_seen = time(NULL);
+                                // update requests
+                                ucn->requests = nucn->requests;
+                                return;
+                        }
+                }
+        }
+
+        for (i = 0; i < MAX_CLUSTER_NODES; i++) {
+                ucn = &uwsgi.shared->nodes[i];
+
+                if (ucn->name[0] == 0) {
+                        memcpy(ucn->name, nucn->name, strlen(nucn->name) + 1);
+                        memcpy(ucn->nodename, nucn->nodename, strlen(nucn->nodename) + 1);
+                        ucn->workers = nucn->workers;
+                        ucn->ucn_addr.sin_family = AF_INET;
+                        if (tcp_port) {
+                                ucn->ucn_addr.sin_port = htons(atoi(tcp_port + 1));
+                                tcp_port[0] = 0;
+                        }
+                        if (nucn->name[0] == 0) {
+                                ucn->ucn_addr.sin_addr.s_addr = INADDR_ANY;
+                        }
+                        else {
+#ifdef UWSGI_DEBUG
+                                uwsgi_log("%s\n", nucn->name);
+#endif
+                                ucn->ucn_addr.sin_addr.s_addr = inet_addr(nucn->name);
+                        }
+
+                        ucn->type = type;
+                        // here memory can be freed, as it is allocated by uwsgi_concat2n
+                        if (type != CLUSTER_NODE_DYNAMIC && tcp_port) {
+                                tcp_port[0] = ':';
+                        }
+                        ucn->last_seen = time(NULL);
+                        ucn->requests = nucn->requests;
+                        uwsgi_log("[uWSGI cluster] added node %s\n", ucn->name);
+                        return;
+                }
+        }
+
+        uwsgi_log("unable to add node %s\n", nucn->name);
+}
+
+
+
+int uwsgi_cluster_add_me() {
+
+        const char *key1 = "hostname";
+        const char *key2 = "address";
+        const char *key3 = "workers";
+        const char *key4 = "requests";
+
+        char *ptrbuf;
+        uint16_t ustrlen;
+        char numproc[6];
+
+#ifdef UWSGI_ZEROMQ
+        char uuid_zmq_str[37];
+        uuid_t uuid_zmq;
+        if (!uwsgi.sockets && !uwsgi.zeromq) {
+#else
+        if (!uwsgi.sockets) {
+#endif
+                uwsgi_log("you need to specify at least a socket to start a uWSGI cluster\n");
+                exit(1);
+        }
+
+        snprintf(numproc, 6, "%d", uwsgi.numproc);
+
+        size_t len;
+
+        if (uwsgi.sockets) {
+                len = 2 + strlen(key1) + 2 + strlen(uwsgi.hostname) + 2 + strlen(key2) + 2 + strlen(uwsgi.sockets->name) + 2 + strlen(key3) + 2 + strlen(numproc) + 2 + strlen(key4) + 2 + 1;
+        }
+#ifdef UWSGI_ZEROMQ
+        else if (uwsgi.zeromq) {
+                uuid_generate(uuid_zmq);
+                uuid_unparse(uuid_zmq, uuid_zmq_str);
+                len = 2 + strlen(key1) + 2 + strlen(uwsgi.hostname) + 2 + strlen(key2) + 2 + strlen(uuid_zmq_str) + 2 + strlen(key3) + 2 + strlen(numproc) + 2 + strlen(key4) + 2 + 1;
+        }
+#endif
+        else {
+                len = 2 + strlen(key1) + 2 + strlen(uwsgi.hostname) + 2 + strlen(key3) + 2 + strlen(numproc) + 2 + strlen(key4) + 2 + 1;
+        }
+        char *buf = uwsgi_malloc(len);
+
+        ptrbuf = buf;
+
+        ustrlen = strlen(key1);
+        *ptrbuf++ = (uint8_t) (ustrlen & 0xff);
+        *ptrbuf++ = (uint8_t) ((ustrlen >> 8) & 0xff);
+        memcpy(ptrbuf, key1, strlen(key1));
+        ptrbuf += strlen(key1);
+
+        ustrlen = strlen(uwsgi.hostname);
+        *ptrbuf++ = (uint8_t) (ustrlen & 0xff);
+        *ptrbuf++ = (uint8_t) ((ustrlen >> 8) & 0xff);
+        memcpy(ptrbuf, uwsgi.hostname, strlen(uwsgi.hostname));
+        ptrbuf += strlen(uwsgi.hostname);
+
+
+        if (uwsgi.sockets && uwsgi.sockets->name) {
+                ustrlen = strlen(key2);
+                *ptrbuf++ = (uint8_t) (ustrlen & 0xff);
+                *ptrbuf++ = (uint8_t) ((ustrlen >> 8) & 0xff);
+                memcpy(ptrbuf, key2, strlen(key2));
+                ptrbuf += strlen(key2);
+
+                ustrlen = strlen(uwsgi.sockets->name);
+                *ptrbuf++ = (uint8_t) (ustrlen & 0xff);
+                *ptrbuf++ = (uint8_t) ((ustrlen >> 8) & 0xff);
+                memcpy(ptrbuf, uwsgi.sockets->name, strlen(uwsgi.sockets->name));
+                ptrbuf += strlen(uwsgi.sockets->name);
+        }
+#ifdef UWSGI_ZEROMQ
+        else if (uwsgi.zeromq) {
+                ustrlen = strlen(key2);
+                *ptrbuf++ = (uint8_t) (ustrlen & 0xff);
+                *ptrbuf++ = (uint8_t) ((ustrlen >> 8) & 0xff);
+                memcpy(ptrbuf, key2, strlen(key2));
+                ptrbuf += strlen(key2);
+
+                ustrlen = strlen(uuid_zmq_str);
+                *ptrbuf++ = (uint8_t) (ustrlen & 0xff);
+                *ptrbuf++ = (uint8_t) ((ustrlen >> 8) & 0xff);
+                memcpy(ptrbuf, uuid_zmq_str, strlen(uuid_zmq_str));
+                ptrbuf += strlen(uuid_zmq_str);
+        }
+#endif
+
+
+	ustrlen = strlen(key3);
+        *ptrbuf++ = (uint8_t) (ustrlen & 0xff);
+        *ptrbuf++ = (uint8_t) ((ustrlen >> 8) & 0xff);
+        memcpy(ptrbuf, key3, strlen(key3));
+        ptrbuf += strlen(key3);
+
+        ustrlen = strlen(numproc);
+        *ptrbuf++ = (uint8_t) (ustrlen & 0xff);
+        *ptrbuf++ = (uint8_t) ((ustrlen >> 8) & 0xff);
+        memcpy(ptrbuf, numproc, strlen(numproc));
+        ptrbuf += strlen(numproc);
+
+        ustrlen = strlen(key4);
+        *ptrbuf++ = (uint8_t) (ustrlen & 0xff);
+        *ptrbuf++ = (uint8_t) ((ustrlen >> 8) & 0xff);
+        memcpy(ptrbuf, key4, strlen(key4));
+        ptrbuf += strlen(key4);
+
+        ustrlen = 1;
+        *ptrbuf++ = (uint8_t) (ustrlen & 0xff);
+        *ptrbuf++ = (uint8_t) ((ustrlen >> 8) & 0xff);
+        memcpy(ptrbuf, "0", 1);
+        ptrbuf += 1;
+
+
+        uwsgi_string_sendto(uwsgi.cluster_fd, 95, 0, (struct sockaddr *) &uwsgi.mc_cluster_addr, sizeof(uwsgi.mc_cluster_addr), buf, len);
+
+        free(buf);
+
+#ifdef UWSGI_DEBUG
+        uwsgi_log("add_me() successfull\n");
+#endif
+
+        return 0;
+}
+
+
+int uwsgi_cluster_join(char *name) {
+
+        int fd;
+        char *cp;
+        int broadcast = 0;
+
+
+
+        if (name[0] == ':') {
+                fd = bind_to_udp(name, 0, 1);
+                broadcast = 1;
+        }
+        else {
+                fd = bind_to_udp(name, 1, 0);
+        }
+
+        if (fd >= 0) {
+                cp = strchr(name, ':');
+                cp[0] = 0;
+                uwsgi.mc_cluster_addr.sin_family = AF_INET;
+                if (broadcast) {
+                        uwsgi.mc_cluster_addr.sin_addr.s_addr = INADDR_BROADCAST;
+                }
+                else {
+                        uwsgi.mc_cluster_addr.sin_addr.s_addr = inet_addr(name);
+                }
+                uwsgi.mc_cluster_addr.sin_port = htons(atoi(cp + 1));
+                cp[0] = ':';
+
+
+                // announce my presence to all the nodes
+                uwsgi_string_sendto(fd, 73, 0, (struct sockaddr *) &uwsgi.mc_cluster_addr, sizeof(uwsgi.mc_cluster_addr), uwsgi.hostname, strlen(uwsgi.hostname));
+        }
+        else {
+                exit(1);
+        }
+
+
+        return fd;
+
+}
+
+
+char *uwsgi_cluster_best_node() {
+
+        int i;
+        int best_node = -1;
+        struct uwsgi_cluster_node *ucn;
+
+        for (i = 0; i < MAX_CLUSTER_NODES; i++) {
+                ucn = &uwsgi.shared->nodes[i];
+                if (ucn->name[0] != 0 && ucn->status == UWSGI_NODE_OK) {
+                        if (best_node == -1) {
+                                best_node = i;
+                        }
+                        else {
+                                if (ucn->last_choosen < uwsgi.shared->nodes[best_node].last_choosen) {
+                                        best_node = i;
+                                }
+                        }
+                }
+        }
+
+        if (best_node == -1) {
+                return NULL;
+        }
+
+        uwsgi.shared->nodes[best_node].last_choosen = time(NULL);
+        return uwsgi.shared->nodes[best_node].name;
+}
+
+
+void manage_cluster_announce(char *key, uint16_t keylen, char *val, uint16_t vallen, void *data) {
+
+        char *tmpstr;
+        struct uwsgi_cluster_node *ucn = (struct uwsgi_cluster_node *) data;
+
+#ifdef UWSGI_DEBUG
+        uwsgi_log("%.*s = %.*s\n", keylen, key, vallen, val);
+#endif
+
+        if (!uwsgi_strncmp("hostname", 8, key, keylen)) {
+                strncpy(ucn->nodename, val, UMIN(vallen, 255));
+        }
+
+        if (!uwsgi_strncmp("address", 7, key, keylen)) {
+                strncpy(ucn->name, val, UMIN(vallen, 100));
+        }
+
+        if (!uwsgi_strncmp("workers", 7, key, keylen)) {
+                tmpstr = uwsgi_concat2n(val, vallen, "", 0);
+                ucn->workers = atoi(tmpstr);
+                free(tmpstr);
+        }
+
+        if (!uwsgi_strncmp("requests", 8, key, keylen)) {
+                tmpstr = uwsgi_concat2n(val, vallen, "", 0);
+                ucn->requests = strtoul(tmpstr, NULL, 0);
+                free(tmpstr);
+        }
+}
+
+#endif
+

config30.ru

@@ -0,0 +1,68 @@
+require 'stringio'
+require 'uwsgidsl'
+
+
+
+signal 17,'mule5' do |signum|
+end
+
+puts UWSGI::VERSION
+puts UWSGI::NUMPROC
+puts UWSGI::HOSTNAME
+
+puts UWSGI::OPT.inspect
+
+timer 2 do |signum|
+  puts "ciao sono un dsl ruby: #{signum} #{UWSGI::OPT.inspect}"
+end
+
+timer 1,'mule1' do |signum|
+  puts "1 second elapsed (signum #{signum})"
+end
+
+filemon '/tmp' do |signum|
+  puts "/tmp has been modified"
+end
+
+cron 5,-1,-1,-1,-1 do |signum|
+  puts "cron ready #{signum}"
+end
+
+cron 58,-1,-1,-1,-1 do |signum|
+  puts "cron ready #{signum}"
+end
+
+postfork do
+  puts "fork() called"
+end
+
+rpc 'pippo' do
+  "i am an rpc function"
+end
+
+rpc 'pluto' do |x,y|
+  "i am another rpc function #{x} #{y}"
+end
+
+begin
+  foo_func
+rescue
+end
+
+puts UWSGI.cache_exists('nilkey')
+puts UWSGI.cache_exists?('nilkey')
+
+UWSGI.cache_set!('foobar_key?a=1', UWSGI::OPT.inspect)
+begin
+puts UWSGI.cache_get(nil)
+rescue
+end
+puts UWSGI.cache_get('foobar_key?a=1')
+
+
+run lambda { |env| 
+  puts env.inspect
+  UWSGI.setprocname("i am the uWSGI rack plugin")
+  UWSGI.signal(17)
+  [200, {'Content-Type'=>'text/plain'}, StringIO.new("Hello World! #{UWSGI.mem.inspect}\n")] 
+}

contrib/centos_init_script

@@ -0,0 +1,99 @@
+#!/bin/bash
+
+# uwsgi - Use uwsgi to run python and wsgi web apps.
+#
+# chkconfig: - 85 15
+# description: Use uwsgi to run python and wsgi web apps.
+# processname: uwsgi
+
+# author: Roman Vasilyev
+
+# Source function library.
+. /etc/rc.d/init.d/functions
+
+PATH=/opt/uwsgi:/sbin:/bin:/usr/sbin:/usr/bin
+prog=/usr/sbin/uwsgi
+
+OWNER=nginx
+
+NAME=uwsgi
+DESC=uwsgi
+
+#DAEMON_OPTS="-s 127.0.0.1:9001 -M 4 -t 30 -A 4 -p 4 -d /var/log/uwsgi.log --pidfile /var/run/$NAME.pid --pythonpath $PYTHONPATH --module $MODULE"
+DAEMON_OPTS="-s 127.0.0.1:9001 -M 4 -t 30 -A 4 -p 16 -b 32768 -d /var/log/$NAME.log --pidfile /var/run/$NAME.pid --uid $OWNER"
+
+[ -f /etc/sysconfig/uwsgi ] && . /etc/sysconfig/uwsgi
+
+lockfile=/var/lock/subsys/uwsgi
+
+start () {
+  echo -n "Starting $DESC: "
+  daemon $prog $DAEMON_OPTS
+  retval=$?
+  echo
+  [ $retval -eq 0 ] && touch $lockfile
+  return $retval
+}
+
+stop () {
+  echo -n "Stopping $DESC: "
+  killproc $prog
+  retval=$?
+  echo
+  [ $retval -eq 0 ] && rm -f $lockfile
+  return $retval
+}
+
+reload () {
+  echo "Reloading $NAME" 
+  killproc $prog -HUP
+  RETVAL=$?
+  echo
+}
+
+force-reload () {
+  echo "Reloading $NAME" 
+  killproc $prog -TERM
+  RETVAL=$?
+  echo
+}
+
+restart () {
+    stop
+    start
+}
+
+rh_status () {
+  status $prog
+}
+
+rh_status_q() {
+  rh_status >/dev/null 2>&1
+}
+
+case "$1" in
+  start)
+    rh_status_q && exit 0
+    $1
+    ;;
+  stop)
+    rh_status_q || exit 0
+    $1
+    ;;
+  restart|force-reload)
+    $1
+    ;;
+  reload)
+    rh_status_q || exit 7
+    $1
+    ;;
+  status)
+    rh_status
+    ;;
+  *)  
+    echo "Usage: $0 {start|stop|restart|reload|force-reload|status}" >&2
+    exit 2
+    ;;
+  esac
+  exit 0
+

contrib/cgi_python.c

@@ -0,0 +1,53 @@
+#include <Python.h>
+
+void uwsgi_cgi_load_python() {
+
+	Py_Initialize();
+}
+
+void uwsgi_cgi_run_python(char *filename) {
+
+	char **e, *p;
+        PyObject *k, *env_value;
+
+	FILE *fp = fopen(filename, "r");
+
+	PySys_SetArgv(1, &filename);
+
+	PyObject *os_module = PyImport_ImportModule("os");
+        if (os_module) {
+       		PyObject *os_module_dict = PyModule_GetDict(os_module);
+        	PyObject *py_environ = PyDict_GetItemString(os_module_dict, "environ");
+                if (py_environ) {
+                	for (e = environ; *e != NULL; e++) {
+                        	p = strchr(*e, '=');
+                                if (p == NULL) continue;
+
+                                k = PyString_FromStringAndSize(*e, (int)(p-*e));
+                                if (k == NULL) {
+                                	PyErr_Print();
+                                        continue;
+                                }
+
+                                env_value = PyString_FromString(p+1);
+                                if (env_value == NULL) {
+                                	PyErr_Print();
+                                        Py_DECREF(k);
+                                        continue;
+                                }
+
+                                if (PyObject_SetItem(py_environ, k, env_value)) {
+                                	PyErr_Print();
+                                }
+
+                                Py_DECREF(k);
+                                Py_DECREF(env_value);
+
+                        }
+
+                }
+        }
+
+
+	PyRun_AnyFileEx(fp, filename, 1);
+}

contrib/loadapp.pl

@@ -0,0 +1,15 @@
+use IO::Socket::INET;
+
+my $s = IO::Socket::INET->new(PeerAddr => '127.0.0.1', PeerPort => $ARGV[0]);
+
+my $mountpoint = $ARGV[1];
+my $app = $ARGV[2];
+
+my $uwsgi_appid = pack('v', length('UWSGI_APPID')).'UWSGI_APPID'.pack('v', length($mountpoint)).$mountpoint;
+my $uwsgi_script = pack('v', length('UWSGI_SCRIPT')).'UWSGI_SCRIPT'.pack('v', length($app)).$app;
+
+$s->send(pack('CvC', 5, length($uwsgi_appid.$uwsgi_script),0).$uwsgi_appid.$uwsgi_script);
+
+while((my $cnt = $s->recv(my $buf, 4096))> 0) {
+	print $buf;
+}

contrib/upstart/uwsgi.conf

@@ -12,4 +12,6 @@ env LOGTO=/tmp/uwsgi.log
 env BINPATH=/home/foo/uwsgi/uwsgi
 
 # --no-orphans avoid workers without master
-exec $BINPATH --no-orphans --socket :3033 --uid 1001 --gid 1001 --limit-as 256 -m simple_app --logto $LOGTO -M -p 4
+# --die-on-term could be a good idea
+exec $BINPATH --no-orphans --socket :3033 --uid 1001 --gid 1001 --limit-as 256 -w simple_app --logto $LOGTO -M -p 4
+

contrib/upython

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+COMMAND=./uwsgi
+CONFIG_FILE=
+
+
+FIRST=0
+
+for ARG in $@;do
+  if [ $FIRST -eq 0 ];then
+    FIRST=1
+  else
+    ARGS="$ARGS $ARG"
+  fi
+done
+
+export UWSGI_INHERIT=CONFIG_FILE
+export UWSGI_PYRUN=$1
+export UWSGI_PYARGV=$ARGS
+
+exec $COMMAND

contrib/urack.rb

@@ -1,5 +1,9 @@
 require 'rubygems'
 require 'socket'
+begin
+        require 'bundler/setup'
+rescue LoadError
+end
 require 'rack'
 require 'rack/content_length'
 require 'rack/rewindable_input'

contrib/uwsgi-cache-monitor.py

@@ -0,0 +1,123 @@
+import mmap
+import os
+import struct
+import array
+import time
+import sys
+from optparse import OptionParser
+
+class Cache:
+
+    def __init__(self, filename, cache_slots, block_size=65536, sample_sleep=1):
+
+        self.block_size = block_size
+        self.cache_slots = cache_slots
+
+        self.key_size = 2048
+        self.item_size = 2 + 2 + 4 + 8 + 8 + 8 + 8 + 8 + self.key_size
+        self.block_size_start = self.item_size * self.cache_slots
+
+        fd = os.open(filename, os.O_RDONLY)
+        self.cache_store = mmap.mmap(fd, 0, mmap.MAP_SHARED, mmap.PROT_READ)
+
+        self.sample_sleep = sample_sleep
+        self.samples = 0
+        self.history = []
+        self.cache_full = 0
+        self.cache_empty = 0
+        self.cache_items = 0
+        self.block_sizes = 0
+
+    def store_read_item_block(self, position):
+        pos = self.cache_store.tell()
+        # uwsgi cache stores cache entries first and then the blocks
+        self.cache_store.seek(self.block_size_start + (position * self.block_size))
+        buf = self.cache_store.read(self.block_size)
+        self.cache_store.seek(pos)
+        return buf
+
+    def store_read_item(self, position):
+        buf = self.cache_store.read(self.item_size)
+        fields = struct.unpack_from('@HHIQQQQQ2048c', buf)
+        key = array.array('c', fields[8:self.key_size+8]).tostring().rstrip('\x00')
+
+        if [x for x in key if x!= '\x00']:
+            buf = self.store_read_item_block(position)
+            value = array.array('c', buf).tostring().rstrip('\x00')
+        else:
+            value = ''
+        return (position, key, value, len(value))
+
+    def read(self):
+        data = [self.store_read_item(i) for i in range(self.cache_slots)]
+        self.cache_store.seek(0)
+        self.update_stats(data)
+        if self.sample_sleep:
+            time.sleep(self.sample_sleep)
+        return data
+ 
+    def update_stats(self, data):
+        # data is a list of (position, key, value, len(value)) tuples
+        items = len([1 for x in data if x[3] > 0])
+        self.cache_items += items
+        full, empty = items == self.cache_slots, items == 0
+        if full:
+            self.cache_full += 1
+        if empty:
+            self.cache_empty += 1
+        self.samples += 1
+        block_sizes = sum([x[3] for x in data])
+        self.block_sizes += block_sizes
+        self.history.append({'full': full, 'empty': empty, 'data': data, \
+            'items': items, 'block_sizes': block_sizes})
+
+    def dump(self):
+        return {
+            'samples': self.samples,
+            'history': self.history,
+            'cache_slots': self.cache_slots,
+            'sample_sleep': self.sample_sleep, 
+            'cache_empty': self.cache_empty,
+            'cache_full': self.cache_full,
+            'cache_items': self.cache_items,
+            'block_sizes': self.block_sizes,
+         }
+
+    def show_dump(self):
+        d = self.dump()
+        print
+        print "Recorded %d samples (%d second(s) sleep between samples)" % \
+            (d['samples'], d['sample_sleep'])
+        print "Cache empty %d times, full %d times, %.2f items on average" % \
+            (d['cache_empty'], d['cache_full'], d['cache_items'] / d['samples'])
+        print "Block size average size: %d bytes" % \
+            (d['block_sizes'] / d['cache_items'] * 8)
+        print "Data in cache average: %d bytes" % \
+            (d['block_sizes'] / d['samples'] * 8)
+
+def main(options):
+    cache = Cache(options.cache_store, options.cache_slots, options.block_size,
+        options.sleep_time)
+    print "Recording..."
+    while True:
+        try:
+            data = cache.read()
+        except KeyboardInterrupt:
+            cache.show_dump()
+            sys.exit(0)
+
+if __name__ == '__main__':
+    parser = OptionParser()
+    parser.add_option("-s", "--cache-slots", dest="cache_slots", type="int",
+        help="Slots available in the cache, uwsgi cache option")
+    parser.add_option("-c", "--cache-store", dest="cache_store", default="uwsgi.cache",
+        help="The filename of the cache store, uwsgi cache-store option. Default: uwsgi.cache")
+    parser.add_option("-b", "--block-size", dest="block_size", default=65536, type="int",
+        help="The size of the cache block, uwsgi cache-blocksize option. Default: 65536")
+    parser.add_option("-t", "--sleep-time", dest="sleep_time", default=1, type="int",
+        help="The time to sleep between each sample. Default: 1")
+
+    (options, args) = parser.parse_args()
+    if not options.cache_slots:
+        parser.error('Option -s / --cache-slots is mandatory')
+    main(options)

debug.ini

@@ -0,0 +1,2 @@
+[uwsgi]
+show-config = true

decoratortest.py

@@ -10,8 +10,8 @@ import time
 
 # register rpc function helloworld
 @rpc("helloworld")
-def hello_world():
-    return "Hello World"
+def hello2():
+    return "[RPC] Hello World"
 
 # register signal 1
 @signal(1)
@@ -45,6 +45,7 @@ def tmpmodified(num):
 def a_long_task(args):
     for i in xrange(1,10):
         print("%s = %d" % ( str(args), i))
+        print(uwsgi.call('helloworld'))
         time.sleep(1)
 
 # continuosly spool a long running task
@@ -52,10 +53,12 @@ def a_long_task(args):
 def an_infinite_task(args):
     for i in xrange(1,4):
         print("infinite: %d %s" % (i, str(args)))
+        print(uwsgi.call('helloworld'))
+        uwsgi.signal(100)
         time.sleep(1)
 
 
-# spool a task after 60 seconds
+# spool a task after 5 seconds
 @spool
 def delayed_task(args):
     print("*** I am a delayed spool job. It is %s [%s]***" % (time.asctime(), str(args)))
@@ -89,7 +92,10 @@ def a_running_thread_with_args(who):
 def a_post_fork_thread():
     while True:
         time.sleep(3)
-        print("Hello from a thread in worker %d" % uwsgi.worker_id())
+        if uwsgi.i_am_the_spooler():
+            print("Hello from a thread in the spooler")
+        else:
+            print("Hello from a thread in worker %d" % uwsgi.worker_id())
 
 @postfork
 def fork_happened():
@@ -97,24 +103,29 @@ def fork_happened():
 
 @postfork
 def fork_happened2():
-    print("waiting for a signal...")
-    uwsgi.signal_wait()
-    print("signal received: %d" % uwsgi.signal_received())
+    if uwsgi.i_am_the_spooler():
+        return
+    print("worker %d is waiting for signal 100..." % uwsgi.worker_id())
+    uwsgi.signal_wait(100)
+    print("worker %d received signal %d" % (uwsgi.worker_id(), uwsgi.signal_received()))
     print("fork() has been called [2] wid: %d" % uwsgi.worker_id())
 
 @postfork
 @lock
 def locked_func():
     print("starting locked function on worker %d" % uwsgi.worker_id())
-    for i in xrange(1, 100):
-        time.sleep(0.2)
+    for i in xrange(1, 5):
+        time.sleep(1)
         print("[locked %d] waiting..." % uwsgi.worker_id())
     print("done with locked function on worker %d" % uwsgi.worker_id())
 
+print(uwsgi.call('helloworld'))
 spool_filename = a_long_task.spool({'foo':'bar'}, hello='world')
 print("spool filename = %s" % spool_filename)
 an_infinite_task.spool(foo='bar', priority=3)
-delayed_task.spool(foo2='bar2', at=time.time()+60)
+when = int(time.time())+5
+print("scheduling a delayed task at %d" % when)
+delayed_task.spool(foo2='bar2', at=when)
 a_running_thread()
 a_running_thread_with_args("uWSGI")
 uwsgi_source_file = open('uwsgi.c','r')

django/uwsgi_admin/views.py

@@ -14,10 +14,11 @@ def index(request):
 		w['load'] = (100 * (w['running_time']/1000))/total_load
 		w['last_spawn_str'] = time.ctime(w['last_spawn'])
 
-	spooler_jobs = uwsgi.spooler_jobs()
 	jobs = []
-	for j in spooler_jobs:
-		jobs.append({'file': j, 'env': uwsgi.parsefile(j)})
+        if 'spooler' in uwsgi.opt:
+	    spooler_jobs = uwsgi.spooler_jobs()
+	    for j in spooler_jobs:
+	        jobs.append({'file': j, 'env': uwsgi.parsefile(j)})
 
 	return render_to_response('uwsgi.html', {'masterpid': uwsgi.masterpid(),
 						'started_on': time.ctime(uwsgi.started_on),

emperor.c

@@ -8,6 +8,8 @@ extern char **environ;
 int emperor_queue;
 char *emperor_absolute_dir;
 
+void emperor_send_stats(int);
+
 struct uwsgi_instance {
         struct uwsgi_instance *ui_prev;
         struct uwsgi_instance *ui_next;
@@ -32,6 +34,9 @@ struct uwsgi_instance {
         int loyal;
 
         int zerg;
+	
+	uid_t uid;
+	gid_t gid;
 };
 
 
@@ -166,22 +171,29 @@ void emperor_respawn(struct uwsgi_instance *c_ui, time_t mod) {
 	c_ui->respawns++;
 	c_ui->last_mod = mod;
 
-	uwsgi_log("reload the uwsgi instance %s\n", c_ui->name);
+	uwsgi_log("[emperor] reload the uwsgi instance %s\n", c_ui->name);
 }
 
-void emperor_add(char *name, time_t born, char *config, uint32_t config_size) {
+void emperor_add(char *name, time_t born, char *config, uint32_t config_size, uid_t uid, gid_t gid) {
 
 	struct uwsgi_instance *c_ui = ui;
 	struct uwsgi_instance *n_ui = NULL;
 	pid_t pid;
-	char **argv;
+	char **vassal_argv;
 	char *uef;
 	char **uenvs;
 	int counter;
 	char *colon = NULL;
 	int i;
 
-	sleep(1);
+	usleep(uwsgi.emperor_throttle*1000);
+
+	if (uwsgi.emperor_tyrant) {
+		if (uid == 0 || gid == 0) {
+			uwsgi_log("[emperor-tyrant] invalid permissions for file %s\n", name);
+			return;
+		}
+	}
 
 	while (c_ui->ui_next) {
 		c_ui = c_ui->ui_next;
@@ -209,6 +221,8 @@ void emperor_add(char *name, time_t born, char *config, uint32_t config_size) {
 
 	memcpy(n_ui->name, name, strlen(name));
 	n_ui->born = born;
+	n_ui->uid = uid;
+	n_ui->gid = gid;
 	n_ui->last_mod = born;
 	// start without loyalty
 	n_ui->last_loyal = born;
@@ -253,6 +267,24 @@ void emperor_add(char *name, time_t born, char *config, uint32_t config_size) {
 	}
 	else {
 
+		if (uwsgi.emperor_tyrant) {
+			uwsgi_log("[emperor-tyrant] dropping privileges to %d %d for instance %s\n", (int) uid, (int) gid, name);
+			if (setgid(gid)) {
+                                uwsgi_error("setgid()");
+                                exit(1);
+                        }
+                        if (setgroups(0, NULL)) {
+                                uwsgi_error("setgroups()");
+                                exit(1);
+                        }
+
+                        if (setuid(uid)) {
+                                uwsgi_error("setuid()");
+                                exit(1);
+                        }
+
+		}
+
 		unsetenv("UWSGI_RELOADS");
 		unsetenv("NOTIFY_SOCKET");
 
@@ -282,7 +314,9 @@ void emperor_add(char *name, time_t born, char *config, uint32_t config_size) {
 					break;
 				}
 				free(oe);
+#ifdef UWSGI_DEBUG
 				uwsgi_log("putenv %s\n", ne);
+#endif
 
 				if (putenv(ne)) {
 					uwsgi_error("putenv()");
@@ -302,15 +336,15 @@ void emperor_add(char *name, time_t born, char *config, uint32_t config_size) {
 		}
 
 		counter = 4;
-		struct uwsgi_config_template *uct = uwsgi.vassals_templates;
+		struct uwsgi_string_list *uct = uwsgi.vassals_templates;
                 while(uct) {
 			counter+=2;
 			uct = uct->next;
 		}
 
-		argv = uwsgi_malloc(sizeof(char *) * counter);
+		vassal_argv = uwsgi_malloc(sizeof(char *) * counter);
 		// set args
-		argv[0] = uwsgi.binary_path;
+		vassal_argv[0] = uwsgi.binary_path;
 
 		if (uwsgi.emperor_broodlord) {
 			colon = strchr(name, ':');
@@ -318,33 +352,65 @@ void emperor_add(char *name, time_t born, char *config, uint32_t config_size) {
 				colon[0] = 0;
 			}
 		}
+		// initialize to a default value
+		vassal_argv[1] = "--inherit";
+
 		if (!strcmp(name + (strlen(name) - 4), ".xml"))
-			argv[1] = "--xml";
+			vassal_argv[1] = "--xml";
 		if (!strcmp(name + (strlen(name) - 4), ".ini"))
-			argv[1] = "--ini";
+			vassal_argv[1] = "--ini";
 		if (!strcmp(name + (strlen(name) - 4), ".yml"))
-			argv[1] = "--yaml";
+			vassal_argv[1] = "--yaml";
 		if (!strcmp(name + (strlen(name) - 5), ".yaml"))
-			argv[1] = "--yaml";
+			vassal_argv[1] = "--yaml";
 		if (!strcmp(name + (strlen(name) - 3), ".js"))
-			argv[1] = "--json";
+			vassal_argv[1] = "--json";
+		if (!strcmp(name + (strlen(name) - 5), ".json"))
+			vassal_argv[1] = "--json";
 
 		if (colon) {
 			colon[0] = ':';
 		}
-		argv[2] = name;
+
+
+		vassal_argv[2] = name;
+		if (uwsgi.emperor_magic_exec) {
+			if (!access(name, R_OK|X_OK)) {
+				vassal_argv[2] = uwsgi_concat2("exec://", name);
+			}
+
+		}
+
 		counter = 3;
 		uct = uwsgi.vassals_templates;
         	while(uct) {
-			argv[counter] = "--inherit";
-			argv[counter+1] = uct->filename;
+			vassal_argv[counter] = "--inherit";
+			vassal_argv[counter+1] = uct->value;
 			counter+=2;
 			uct = uct->next;
 		}
-		argv[counter] = NULL;
+		vassal_argv[counter] = NULL;
+
+		// disable stdin
+		int stdin_fd = open("/dev/null", O_RDONLY);
+                if (stdin_fd < 0) {
+                	uwsgi_error_open("/dev/null");
+                        exit(1);
+                }
+                if (stdin_fd != 0) {
+                	if (dup2(stdin_fd, 0)) {
+                        	uwsgi_error("dup2()");
+                                exit(1);
+                        }
+                        close(stdin_fd);
+                }
 
 		// close all of the unneded fd
-		for(i=3;i<sysconf(_SC_OPEN_MAX);i++) {
+		for(i=3;i<(int)uwsgi.max_fd;i++) {
+			if (n_ui->use_config) {
+				if (i == n_ui->pipe_config[1])
+					continue;
+			}
 			if (i != n_ui->pipe[1]) {
 				close(i);
 			}
@@ -360,7 +426,7 @@ void emperor_add(char *name, time_t born, char *config, uint32_t config_size) {
 		}
 
 		// start !!!
-		if (execvp(argv[0], argv)) {
+		if (execvp(vassal_argv[0], vassal_argv)) {
 			uwsgi_error("execvp()");
 		}
 		uwsgi_log("is the uwsgi binary in your system PATH ?\n");
@@ -399,6 +465,9 @@ void emperor_loop() {
 	int nevents;
 	int interesting_fd;
 	char notification_message[64];
+	struct rlimit rl;
+
+	uwsgi.emperor_stats_fd = -1;
 
 	signal(SIGPIPE, SIG_IGN);
 	uwsgi_unix_signal(SIGINT, royal_death);
@@ -408,6 +477,13 @@ void emperor_loop() {
 
 	memset(&ui_base, 0, sizeof(struct uwsgi_instance));
 
+	if (getrlimit(RLIMIT_NOFILE, &rl)) {
+		uwsgi_error("getrlimit()");
+		exit(1);
+	}
+
+	uwsgi.max_fd = rl.rlim_cur;
+
 
 	emperor_queue = event_queue_init();
 
@@ -420,6 +496,23 @@ void emperor_loop() {
 		uwsgi_log("*** starting uWSGI Emperor ***\n");
 	}
 
+	if (uwsgi.emperor_stats) {
+                char *tcp_port = strchr(uwsgi.emperor_stats, ':');
+                if (tcp_port) {
+                        // disable deferred accept for this socket
+                        int current_defer_accept = uwsgi.no_defer_accept;
+                        uwsgi.no_defer_accept = 1;
+                        uwsgi.emperor_stats_fd = bind_to_tcp(uwsgi.emperor_stats, uwsgi.listen_queue, tcp_port);
+                        uwsgi.no_defer_accept = current_defer_accept;
+                }
+                else {
+                        uwsgi.emperor_stats_fd = bind_to_unix(uwsgi.emperor_stats, uwsgi.listen_queue, uwsgi.chmod_socket, uwsgi.abstract_socket);
+                }
+
+                event_queue_add_fd_read(emperor_queue, uwsgi.emperor_stats_fd);
+                uwsgi_log("*** Emperor stats server enabled on %s fd: %d ***\n", uwsgi.emperor_stats, uwsgi.emperor_stats_fd);
+        }
+
 	amqp_port = strchr(uwsgi.emperor_dir, ':');
 
 	if (amqp_port) {
@@ -459,7 +552,12 @@ reconnect:
 			uwsgi_error("glob()");
 			exit(1);
 		}
-		emperor_absolute_dir = realpath(".", NULL);
+		globfree(&g);
+		emperor_absolute_dir = uwsgi_malloc(PATH_MAX+1);
+		if (realpath(".", emperor_absolute_dir) == NULL) {
+			uwsgi_error("realpath()");
+			exit(1);
+		}
 	}
 
 	ui = &ui_base;
@@ -517,7 +615,7 @@ reconnect:
                                         }
                                         else {
 						if (msgsize > 0) {
-                                                	emperor_add(config_file, time(NULL), config, msgsize);
+                                                	emperor_add(config_file, time(NULL), config, msgsize, 0, 0);
 						}
                                         }
 
@@ -554,13 +652,16 @@ reconnect:
 						emperor_respawn(ui_current, time(NULL));
 					}
 					else {
-						emperor_add(config_file, time(NULL), NULL, 0);
+						emperor_add(config_file, time(NULL), NULL, 0, 0, 0);
 					}
 
 					free(config_file);
 				}
 				}
 			}
+			else if (uwsgi.emperor_stats && uwsgi.emperor_stats_fd > -1 && interesting_fd == uwsgi.emperor_stats_fd) {
+                               	emperor_send_stats(uwsgi.emperor_stats_fd);
+                        }
 			else {
 				ui_current = emperor_get_by_fd(interesting_fd);
 				if (ui_current) {
@@ -568,7 +669,9 @@ reconnect:
 					ssize_t rlen = read(interesting_fd, &byte, 1);
 					if (rlen <= 0) {
 						// SAFE
-						emperor_del(ui_current);
+						if (!ui_current->config_len) {
+							emperor_del(ui_current);
+						}
 					}
 					else {
 						if (byte == 17) {
@@ -583,13 +686,13 @@ reconnect:
 						else if (byte == 30 && uwsgi.emperor_broodlord > 0 && uwsgi.emperor_broodlord_count < uwsgi.emperor_broodlord) {
 							uwsgi_log("[emperor] going in broodlord mode: launching zergs for %s\n", ui_current->name);
 							char *zerg_name = uwsgi_concat3(ui_current->name,":","zerg");
-							emperor_add(zerg_name, time(NULL), NULL, 0);
+							emperor_add(zerg_name, time(NULL), NULL, 0, ui_current->uid, ui_current->gid);
 							free(zerg_name);
 						}
 					}
 				}
 				else {
-					uwsgi_log("unrecognized event on fd %d\n", interesting_fd);
+					uwsgi_log("[emperor] unrecognized vassal event on fd %d\n", interesting_fd);
 					event_queue_del_fd(emperor_queue, interesting_fd, event_queue_read());
 					close(interesting_fd);
 				}
@@ -604,7 +707,8 @@ reconnect:
 					!strcmp(de->d_name + (strlen(de->d_name) - 4), ".ini") ||
 					!strcmp(de->d_name + (strlen(de->d_name) - 4), ".yml") ||
 					!strcmp(de->d_name + (strlen(de->d_name) - 5), ".yaml") ||
-					!strcmp(de->d_name + (strlen(de->d_name) - 3), ".js")
+					!strcmp(de->d_name + (strlen(de->d_name) - 3), ".js") ||
+					!strcmp(de->d_name + (strlen(de->d_name) - 5), ".json")
 					) {
 
 
@@ -620,13 +724,21 @@ reconnect:
 					ui_current = emperor_get(de->d_name);
 
 					if (ui_current) {
+						// check if uid or gid are changed, in such case, sotp the instance
+						if (uwsgi.emperor_tyrant) {
+							if (st.st_uid != ui_current->uid || st.st_gid != ui_current->gid) {
+								uwsgi_log("!!! permissions of file %s changed. stopping the instance... !!!\n"); 
+								emperor_stop(ui_current);	
+								continue;
+							}	
+						}
 						// check if mtime is changed and the uWSGI instance must be reloaded
 						if (st.st_mtime > ui_current->last_mod) {
 							emperor_respawn(ui_current, st.st_mtime);
 						}
 					}
 					else {
-						emperor_add(de->d_name, st.st_mtime, NULL, 0);
+						emperor_add(de->d_name, st.st_mtime, NULL, 0, st.st_uid, st.st_gid);
 					}
 				}
 			}
@@ -643,6 +755,7 @@ reconnect:
 					!strcmp(g.gl_pathv[i] + (strlen(g.gl_pathv[i]) - 4), ".ini") ||
 					!strcmp(g.gl_pathv[i] + (strlen(g.gl_pathv[i]) - 4), ".yml") ||
 					!strcmp(g.gl_pathv[i] + (strlen(g.gl_pathv[i]) - 3), ".js") ||
+					!strcmp(g.gl_pathv[i] + (strlen(g.gl_pathv[i]) - 5), ".json") ||
 					!strcmp(g.gl_pathv[i] + (strlen(g.gl_pathv[i]) - 5), ".yaml")
 					) {
 
@@ -659,17 +772,26 @@ reconnect:
 					ui_current = emperor_get(g.gl_pathv[i]);
 
 					if (ui_current) {
+						// check if uid or gid are changed, in such case, sotp the instance
+                                                if (uwsgi.emperor_tyrant) {
+                                                        if (st.st_uid != ui_current->uid || st.st_gid != ui_current->gid) {
+                                                                uwsgi_log("!!! permissions of file %s changed. stopping the instance... !!!\n");
+                                                                emperor_stop(ui_current);
+                                                                continue;
+                                                        }
+                                                }
 						// check if mtime is changed and the uWSGI instance must be reloaded
 						if (st.st_mtime > ui_current->last_mod) {
 							emperor_respawn(ui_current, st.st_mtime);
 						}
 					}
 					else {
-						emperor_add(g.gl_pathv[i], st.st_mtime, NULL, 0);
+						emperor_add(g.gl_pathv[i], st.st_mtime, NULL, 0, st.st_uid, st.st_gid);
 					}
 				}
 
 			}
+			globfree(&g);
 		}
 		}
 
@@ -729,7 +851,7 @@ reconnect:
 					}
 					else {
 						// UNSAFE
-						emperor_add(ui_current->name, ui_current->last_mod, ui_current->config, ui_current->config_len);
+						emperor_add(ui_current->name, ui_current->last_mod, ui_current->config, ui_current->config_len, ui_current->uid, ui_current->gid);
 						emperor_del(ui_current);
 					}
 					break;
@@ -748,3 +870,73 @@ reconnect:
 	}
 
 }
+
+#define stats_send_llu(x, y) fprintf(output, x, (long long unsigned int) y)
+#define stats_send(x, y) fprintf(output, x, y)
+
+void emperor_send_stats(int fd) {
+
+        struct sockaddr_un client_src;
+        socklen_t client_src_len = 0;
+        int client_fd = accept(fd, (struct sockaddr *) &client_src, &client_src_len);
+        if (client_fd < 0) {
+                uwsgi_error("accept()");
+                return;
+        }
+
+        FILE *output = fdopen(client_fd, "w");
+        if (!output) {
+                uwsgi_error("fdopen()");
+                close(client_fd);
+                return;
+        }
+
+        stats_send("{ \"version\": \"%s\",\n", UWSGI_VERSION);
+
+        fprintf(output,"\"pid\": %d,\n", (int)(getpid()));
+        fprintf(output,"\"uid\": %d,\n", (int)(getuid()));
+        fprintf(output,"\"gid\": %d,\n", (int)(getgid()));
+
+	char *cwd = uwsgi_get_cwd();
+        stats_send("\"cwd\": \"%s\",\n", cwd);
+        free(cwd);
+
+	stats_send("\"emperor\": \"%s\",\n", uwsgi.emperor_dir);
+
+        fprintf(output,"\"emperor_tyrant\": %d,\n", uwsgi.emperor_tyrant);
+
+
+        fprintf(output, "\"vassals\": [\n");
+
+	struct uwsgi_instance *c_ui = ui->ui_next;
+
+        while (c_ui) {
+                fprintf(output,"\t{");
+                stats_send("\"id\": \"%s\", ", c_ui->name);
+                fprintf(output,"\"pid\": %d, ", (int) c_ui->pid);
+
+		stats_send_llu( "\"born\": %llu, ", c_ui->born);
+		stats_send_llu( "\"last_mod\": %llu, ", c_ui->last_mod);
+
+                fprintf(output,"\"loyal\": %d, ", c_ui->loyal);
+                fprintf(output,"\"zerg\": %d, ", c_ui->zerg);
+
+                fprintf(output,"\"uid\": %d, ", (int)c_ui->uid);
+                fprintf(output,"\"gid\": %d, ", (int)c_ui->gid);
+
+		stats_send_llu( "\"respawns\": %llu ", c_ui->respawns);
+        	c_ui = c_ui->ui_next;
+
+		if (c_ui) {
+                	fprintf(output,"},\n");
+                }
+                else {
+                	fprintf(output,"}\n");
+                }
+        }
+
+
+	fprintf(output,"]}\n");
+        fclose(output);
+
+}

event.c

@@ -81,7 +81,7 @@ void *event_queue_alloc(int nevents) {
 int event_queue_interesting_fd(void *events, int id) {
 	port_event_t *pe = (port_event_t *) events;
 	if (pe[id].portev_source == PORT_SOURCE_FILE || pe[id].portev_source == PORT_SOURCE_TIMER) {
-                return (int) pe[id].portev_user;
+                return (long) pe[id].portev_user;
         }
 
 	return (int) pe[id].portev_object;
@@ -149,7 +149,7 @@ int event_queue_wait(int eq, int timeout, int *interesting_fd) {
 
 
 	if (pe.portev_source == PORT_SOURCE_FILE || pe.portev_source == PORT_SOURCE_TIMER) {
-        	*interesting_fd = (int) pe.portev_user;
+        	*interesting_fd = (long) pe.portev_user;
 	}
 	else {
 		*interesting_fd = (int) pe.portev_object;
@@ -172,6 +172,7 @@ int event_queue_init() {
 
         int epfd;
 
+
         epfd = epoll_create(256);
 
         if (epfd < 0) {
@@ -327,11 +328,13 @@ int event_queue_fd_write_to_read(int eq, int fd) {
 
 	struct kevent kev;
 
+#ifndef __FreeBSD__
         EV_SET(&kev, fd, EVFILT_WRITE, EV_DISABLE, 0, 0, 0);
         if (kevent(eq, &kev, 1, NULL, 0, NULL) < 0) {
                 uwsgi_error("kevent()");
                 return -1;
         }
+#endif
 
         EV_SET(&kev, fd, EVFILT_READ, EV_ADD, 0, 0, 0);
         if (kevent(eq, &kev, 1, NULL, 0, NULL) < 0) {
@@ -401,7 +404,8 @@ int event_queue_wait_multi(int eq, int timeout, void *events, int nevents) {
         }
 
         if (ret < 0) {
-                uwsgi_error("kevent()");
+		if (errno != EINTR)
+                	uwsgi_error("kevent()");
         }
 
         return ret;
@@ -417,7 +421,8 @@ int event_queue_interesting_fd(void *events, int id) {
 int event_queue_interesting_fd_has_error(void *events, int id) {
 	struct kevent *ev = (struct kevent *) events;
 
-        if (  ( (ev[id].flags == EV_ERROR) || (ev[id].flags == EV_EOF) || (ev[id].flags == (EV_EOF|EV_ERROR))) ) {
+	// DO NOT CHECK FOR EOF !!!
+        if ( ev[id].flags & EV_ERROR ) {
                 return 1;
         }
         return 0;
@@ -441,7 +446,8 @@ int event_queue_wait(int eq, int timeout, int *interesting_fd) {
         }
 
         if (ret < 0) {
-                uwsgi_error("kevent()");
+		if (errno != EINTR)
+                	uwsgi_error("kevent()");
         }
 
 	if (ret > 0) {
@@ -476,7 +482,7 @@ int event_queue_add_file_monitor(int eq, char *filename, int *id) {
 	fo.fo_ctime = st.st_ctim;
 	
 	fmon_id++;
-	if (port_associate(eq, PORT_SOURCE_FILE, (uintptr_t) &fo, FILE_MODIFIED|FILE_ATTRIB, (void *) fmon_id)) {
+	if (port_associate(eq, PORT_SOURCE_FILE, (uintptr_t) &fo, FILE_MODIFIED|FILE_ATTRIB, (void *) (long) fmon_id)) {
 		uwsgi_error("port_associate()");
 		return -1;
 	}
@@ -506,7 +512,7 @@ struct uwsgi_fmon *event_queue_ack_file_monitor(int eq, int id) {
         			fo.fo_atime = st.st_atim;
         			fo.fo_mtime = st.st_mtim;
         			fo.fo_ctime = st.st_ctim;
-				if (port_associate(eq, PORT_SOURCE_FILE, (uintptr_t) &fo, FILE_MODIFIED|FILE_ATTRIB, (void *)id)) {
+				if (port_associate(eq, PORT_SOURCE_FILE, (uintptr_t) &fo, FILE_MODIFIED|FILE_ATTRIB, (void *)(long)id)) {
                 			uwsgi_error("port_associate()");
                 			return NULL;
         			}
@@ -565,6 +571,16 @@ struct uwsgi_fmon *event_queue_ack_file_monitor(int eq, int id) {
 #endif
 
 #ifdef UWSGI_EVENT_FILEMONITOR_USE_INOTIFY
+
+
+#ifdef OBSOLETE_LINUX_KERNEL
+int event_queue_add_file_monitor(int eq, char *filename, int *id) {
+	return -1;
+}
+struct uwsgi_fmon *event_queue_ack_file_monitor(int eq, int id) {
+	return NULL;
+}
+#else
 #include <sys/inotify.h>
 
 int event_queue_add_file_monitor(int eq, char *filename, int *id) {
@@ -657,6 +673,8 @@ struct uwsgi_fmon *event_queue_ack_file_monitor(int eq, int id) {
 	return NULL;
 	
 }
+
+#endif
 #endif
 
 #ifdef UWSGI_EVENT_TIMER_USE_TIMERFD
@@ -687,13 +705,23 @@ enum
 
 
 static int timerfd_create (clockid_t __clock_id, int __flags) {
+#ifdef __amd64__
+	return syscall(283, __clock_id, __flags);
+#elif defined(__i386__)
 	return syscall(322, __clock_id, __flags);
+#else
+	return -1;
+#endif
 }
 
 static int timerfd_settime (int __ufd, int __flags,
                             __const struct itimerspec *__utmr,
                             struct itimerspec *__otmr) {
+#ifdef __amd64__
+	return syscall(286, __ufd, __flags, __utmr, __otmr);
+#elif defined(__i386__)
 	return syscall(325, __ufd, __flags, __utmr, __otmr);
+#endif
 }
 #endif
 
@@ -765,7 +793,7 @@ int event_queue_add_timer(int eq, int *id, int sec) {
 	timer_id++;
 
 	pnotif.portnfy_port = eq;
-	pnotif.portnfy_user = (void *) timer_id;
+	pnotif.portnfy_user = (void *) (long) timer_id;
 
 	sigev.sigev_notify = SIGEV_PORT;
 	sigev.sigev_value.sival_ptr = &pnotif;

fdconf.pl

@@ -0,0 +1,7 @@
+use POSIX;
+
+open CONFIG,'welcome.ini';
+
+dup2(fileno(CONFIG), 17);
+
+exec './uwsgi','--ini','fd://17';

gateway.c

@@ -2,121 +2,76 @@
 
 extern struct uwsgi_server uwsgi;
 
-struct uwsgi_gateway *register_fat_gateway(char *name, void (*loop)(void)) {
+struct uwsgi_gateway *register_gateway(char *name, void (*loop)(int)) {
 
         struct uwsgi_gateway *ug;
         int num=1,i;
 
-        if (uwsgi.gateways_cnt >= MAX_GATEWAYS) {
+        if (ushared->gateways_cnt >= MAX_GATEWAYS) {
                 uwsgi_log("you can register max %d gateways\n", MAX_GATEWAYS);
                 return NULL;
         }
 
-        for(i=0;i<uwsgi.gateways_cnt;i++) {
-                if (!strcmp(name, uwsgi.gateways[i].name)) {
+        for(i=0;i<ushared->gateways_cnt;i++) {
+                if (!strcmp(name, ushared->gateways[i].name)) {
                         num++;
                 }
         }
 
-        ug = &uwsgi.gateways[uwsgi.gateways_cnt];
+	char *fullname = uwsgi_concat3(name, " ", uwsgi_num2str(num));
+
+        ug = &ushared->gateways[ushared->gateways_cnt];
         ug->pid = 0;
         ug->name = name;
         ug->loop = loop;
         ug->num = num;
+	ug->fullname = fullname;
+
+	if (socketpair(AF_UNIX, SOCK_DGRAM, 0, ug->internal_subscription_pipe)) {
+		uwsgi_error("socketpair()");
+	}
+
+	if (!uwsgi.master_process)
+		gateway_respawn(ushared->gateways_cnt);
+
+        ushared->gateways_cnt++;
 
-        uwsgi.gateways_cnt++;
 
         return ug;
 }
 
-struct uwsgi_gateway *register_gateway(char *name, void (*loop)(void)) {
-
-	pid_t gw_pid;
-	pid_t orig_pid = getpid();
-	struct uwsgi_gateway *ug;
-	int num=1,i;
-
-	if (uwsgi.gateways_cnt >= MAX_GATEWAYS) {
-		uwsgi_log("you can register max %d gateways\n", MAX_GATEWAYS);
-		return NULL;
-	}
-
-	for(i=0;i<uwsgi.gateways_cnt;i++) {
-		if (!strcmp(name, uwsgi.gateways[i].name)) {
-			num++;
-		}
-	}
-
-	gw_pid = fork();
-	if (gw_pid < 0) {
-		uwsgi_error("fork()");
-		return NULL;
-	}
-
-	if (!uwsgi.master_process) {
-		if (gw_pid > 0) {
-#ifdef __linux__
-                if (prctl(PR_SET_PDEATHSIG, SIGKILL, 0,0,0)) {
-                        uwsgi_error("prctl()");
-                }
-#endif
-
-		if (!uwsgi.sockets) {
-			// wait for child end
-			//waitpid(-1, &i, 0);
-		}
-			loop();
-			// never here !!! (i hope)
-			exit(1);	
-		}
-
-		ug = &uwsgi.gateways[uwsgi.gateways_cnt];
-		ug->pid = orig_pid;
-	}
-	else {
-		if (gw_pid == 0) {
-			if (uwsgi.master_as_root) uwsgi_as_root();
-			loop();
-			// never here !!! (i hope)
-			exit(1);	
-		}
-
-		ug = &uwsgi.gateways[uwsgi.gateways_cnt];
-		ug->pid = gw_pid;
-	}
-
-
-	ug->name = name;
-	ug->loop = loop;
-	ug->num = num;
-
-	uwsgi_log( "spawned uWSGI %s %d (pid: %d)\n", ug->name, ug->num, (int) ug->pid);
-
-	uwsgi.gateways_cnt++;
-
-	return ug;
-		
-}
-
 void gateway_respawn(int id) {
 
 	pid_t gw_pid;
-	struct uwsgi_gateway *ug = &uwsgi.gateways[id];
+	struct uwsgi_gateway *ug = &ushared->gateways[id];
+
+	if (uwsgi.master_process)
+		uwsgi.shared->gateways_harakiri[id] = 0;
 	
-	gw_pid = fork();
+	gw_pid = uwsgi_fork(ug->fullname);
 	if (gw_pid < 0) {
                 uwsgi_error("fork()");
 		return;
 	}
 
 	if (gw_pid == 0) {
+		uwsgi_fixup_fds(0, 0, ug);
 		if (uwsgi.master_as_root) uwsgi_as_root();
 #ifdef __linux__
                 if (prctl(PR_SET_PDEATHSIG, SIGKILL, 0,0,0)) {
                         uwsgi_error("prctl()");
                 }
 #endif
-		ug->loop();
+		uwsgi.mypid = getpid();
+		signal(SIGALRM, SIG_IGN);
+        	signal(SIGHUP, SIG_IGN);
+        	signal(SIGINT, end_me);
+        	signal(SIGTERM, end_me);
+        	signal(SIGUSR1, SIG_IGN);
+        	signal(SIGUSR2, SIG_IGN);
+        	signal(SIGPIPE, SIG_IGN);
+
+		ug->loop(id);
 		// never here !!! (i hope)
 		exit(1);	
 	}
@@ -124,10 +79,78 @@ void gateway_respawn(int id) {
 	ug->pid = gw_pid;
 	ug->respawns++;
 	if (ug->respawns == 1) {
-		uwsgi_log( "spawned uWSGI %s %d (pid: %d)\n", ug->name, ug->num, (int) gw_pid);
+		uwsgi_log( "spawned %s %d (pid: %d)\n", ug->name, ug->num, (int) gw_pid);
 	}
 	else {
-		uwsgi_log( "respawned uWSGI %s %d (pid: %d)\n", ug->name, ug->num, (int) gw_pid);
+		uwsgi_log( "respawned %s %d (pid: %d)\n", ug->name, ug->num, (int) gw_pid);
 	}
 	
 }
+
+struct uwsgi_gateway_socket *uwsgi_new_gateway_socket(char *name, char *owner) {
+
+        struct uwsgi_gateway_socket *uwsgi_sock = uwsgi.gateway_sockets, *old_uwsgi_sock;
+
+        if (!uwsgi_sock) {
+                uwsgi.gateway_sockets = uwsgi_malloc(sizeof(struct uwsgi_gateway_socket));
+                uwsgi_sock = uwsgi.gateway_sockets;
+        }
+        else {
+                while(uwsgi_sock) {
+                        old_uwsgi_sock = uwsgi_sock;
+                        uwsgi_sock = uwsgi_sock->next;
+                }
+
+                uwsgi_sock = uwsgi_malloc(sizeof(struct uwsgi_gateway_socket));
+                old_uwsgi_sock->next = uwsgi_sock;
+        }
+
+        memset(uwsgi_sock, 0, sizeof(struct uwsgi_gateway_socket));
+	uwsgi_sock->fd = -1;
+	uwsgi_sock->shared = 0;
+        uwsgi_sock->name = name;
+	uwsgi_sock->owner = owner;
+
+        return uwsgi_sock;
+}
+
+struct uwsgi_gateway_socket *uwsgi_new_gateway_socket_from_fd(int fd, char *owner) {
+
+        struct uwsgi_gateway_socket *uwsgi_sock = uwsgi.gateway_sockets, *old_uwsgi_sock;
+
+        if (!uwsgi_sock) {
+                uwsgi.gateway_sockets = uwsgi_malloc(sizeof(struct uwsgi_gateway_socket));
+                uwsgi_sock = uwsgi.gateway_sockets;
+        }
+        else {
+                while(uwsgi_sock) {
+                        old_uwsgi_sock = uwsgi_sock;
+                        uwsgi_sock = uwsgi_sock->next;
+                }
+
+                uwsgi_sock = uwsgi_malloc(sizeof(struct uwsgi_gateway_socket));
+                old_uwsgi_sock->next = uwsgi_sock;
+        }
+
+        memset(uwsgi_sock, 0, sizeof(struct uwsgi_gateway_socket));
+	uwsgi_sock->fd = fd;
+        uwsgi_sock->name = uwsgi_getsockname(fd);
+        uwsgi_sock->owner = owner;
+
+        return uwsgi_sock;
+}
+
+
+void uwsgi_gateway_go_cheap(char *gw_id, int queue, int *i_am_cheap) {
+
+        uwsgi_log("[%s pid %d] no more nodes available. Going cheap...\n", gw_id, (int) uwsgi.mypid);
+        struct uwsgi_gateway_socket *ugs = uwsgi.gateway_sockets;
+        while (ugs) {
+                if (!strcmp(ugs->owner, gw_id) && !ugs->subscription) {
+                        event_queue_del_fd(queue, ugs->fd, event_queue_read());
+                }
+                ugs = ugs->next;
+        }
+        *i_am_cheap = 1;
+}
+

hello_world.py

@@ -1,6 +1,23 @@
 import uwsgi
-#uwsgi.cache_set('/', "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\nHello World from cache")
+if uwsgi.loop == 'gevent':
+    import gevent
+
+print uwsgi.version
+print uwsgi.workers()
+try:
+    uwsgi.cache_set('foo', "Hello World from cache")
+except:
+    pass
 def application(env, start_response):
+    if uwsgi.loop == 'gevent':
+        gevent.sleep()
     start_response('200 OK', [('Content-Type', 'text/html')])
+    yield "foobar<br/>"
+    if uwsgi.loop == 'gevent':
+        gevent.sleep(3)
     yield str(env['wsgi.input'].fileno())
     yield "<h1>Hello World</h1>"
+    try:
+        yield uwsgi.cache_get('foo')
+    except:
+        pass

info_uwsgi.php

@@ -0,0 +1,25 @@
+uWSGI version <b><?=uwsgi_version()?></b><br/>
+workerd id: <b><?=uwsgi_worker_id()?></b><br/>
+master pid: <b><?=uwsgi_masterpid()?></b><br/>
+
+uri: <b><?= $_SERVER['REQUEST_URI'] ?></b><br/>
+docroot: <b><?= $_SERVER['DOCUMENT_ROOT'] ?></b><br/>
+PATH_INFO: <b><?= $_SERVER['PATH_INFO'] ?></b><br/>
+
+<? uwsgi_signal(17) ?>
+
+<? uwsgi_setprocname("test test test"); ?>
+
+rpc result:<br/>
+<? echo uwsgi_rpc("", "hello", "one", "two", "three"); ?>
+
+<?
+	if ($_SERVER['REQUEST_METHOD'] == 'POST') {
+		uwsgi_cache_update('foobar', $_POST['cache_val']);
+	}
+
+?>
+<form method="POST">
+	<input type="text" name="cache_val" value="<?=uwsgi_cache_get('foobar')?>"/>
+	<input type="submit" value="cache set" />
+</form>

ini.c

@@ -14,7 +14,7 @@ void ini_rstrip(char *line) {
 	off_t i;
 
 	for(i = strlen(line)-1;i>=0; i--) {
-		if (line[i] == ' ' || line[i] == '\t') {
+		if (line[i] == ' ' || line[i] == '\t' || line[i] == '\r') {
 			line[i] = 0;
 			continue;
 		}
@@ -28,7 +28,7 @@ char *ini_lstrip(char *line) {
 	char *ptr = line;
 
 	for(i=0;i< (int) strlen(line);i++) {
-		if (line[i] == ' ' || line[i] == '\t') {
+		if (line[i] == ' ' || line[i] == '\t' || line[i] == '\r') {
 			ptr++;
 			continue;
 		}
@@ -92,7 +92,7 @@ void uwsgi_ini_config(char *file, char *magic_table[]) {
 	char *section_asked = "uwsgi";
 	char *colon;
 
-	if (!uwsgi_startswith(file, "http://", 7) || !uwsgi_startswith(file, "data://", 7) || !uwsgi_startswith(file, "sym://", 6) ) {
+	if (uwsgi_check_scheme(file)) {
                 colon = uwsgi_get_last_char(file, '/');
                 colon = uwsgi_get_last_char(colon, ':');
         }

json.c

@@ -30,7 +30,7 @@ void uwsgi_json_config(char *file, char *magic_table[]) {
 	char *colon;
 	int i;
 
-	if (!uwsgi_startswith(file, "http://", 7) || !uwsgi_startswith(file, "data://", 7) || !uwsgi_startswith(file, "sym://", 6)) {
+	if (uwsgi_check_scheme(file)) {
                 colon = uwsgi_get_last_char(file, '/');
                 colon = uwsgi_get_last_char(colon, ':');
         }
@@ -77,10 +77,10 @@ void uwsgi_json_config(char *file, char *magic_table[]) {
 			add_exported_option((char *)key, (char *) json_string_value(config_value), 0);
 		}
 		else if (json_is_true(config_value)) {
-			add_exported_option((char *)key, (char *) "1", 0);
+			add_exported_option((char *)key, strdup("1"), 0);
 		}
 		else if (json_is_false(config_value) || json_is_null(config_value)) {
-			add_exported_option((char *)key, (char *) "0", 0);
+			add_exported_option((char *)key, strdup("0"), 0);
 		}
 		else if (json_is_integer(config_value)) {
 			add_exported_option((char *)key, uwsgi_num2str(json_integer_value(config_value)), 0);
@@ -92,10 +92,10 @@ void uwsgi_json_config(char *file, char *magic_table[]) {
                         		add_exported_option((char *)key, (char *) json_string_value(config_array_item), 0);
                 		}
                 		else if (json_is_true(config_array_item)) {
-                        		add_exported_option((char *)key, (char *) "1", 0);
+                        		add_exported_option((char *)key, strdup("1"), 0);
                 		}
                 		else if (json_is_false(config_array_item) || json_is_null(config_array_item)) {
-                        		add_exported_option((char *)key, (char *) "0", 0);
+                        		add_exported_option((char *)key, strdup("0"), 0);
                 		}
                 		else if (json_is_integer(config_array_item)) {
                         		add_exported_option((char *)key, uwsgi_num2str(json_integer_value(config_array_item)), 0);

ldap.c

@@ -108,56 +108,37 @@ struct uwsgi_ldap_entry *search_ldap_cache(struct uwsgi_ldap_entry *root, char *
 
 struct uwsgi_ldap_entry *get_ldap_names(int *count) {
 
-	struct option *aopt, *lopt;
+	struct uwsgi_option *op = uwsgi.options;
 	struct uwsgi_ldap_entry *ule, *entry;
 	char ldap_name[1024];
-	static int counter = 30000000;
 
 	*count = 0;
-	lopt = uwsgi.long_options;
 
-	ule = uwsgi_malloc(sizeof(struct uwsgi_ldap_entry)*count_options(lopt));
+	ule = uwsgi_malloc(sizeof(struct uwsgi_ldap_entry)*uwsgi_count_options(op));
 
-	while( (aopt = lopt) ) {
-                if (!aopt->name)
-                        break;
+	while( op && op->name ) {
 
-		uwsgi_name_to_ldap((char *)aopt->name, ldap_name);
+		uwsgi_name_to_ldap((char *)op->name, ldap_name);
 
 		entry = search_ldap_cache(ule, ldap_name, *count);
 
 		if (entry) goto next;
 
-		if (aopt->flag) {
-			entry = &ule[*count] ;
-			entry->num = counter;
-			strcpy(entry->names, ldap_name);
-			counter++;
-			*count = *count+1;
-		}
-		else {
-			entry = get_ldap_by_num(ule, aopt->val, *count);
-			if (entry) {
-				strcat(entry->names, ldap_name);
-			}
-			else {
-				entry = &ule[*count] ;
-				entry->num = aopt->val;
-				strcpy(entry->names, ldap_name);
-				*count = *count+1;
-			}
-		}
+		entry = &ule[*count] ;
+		entry->num = *count;
+		strcpy(entry->names, ldap_name);
+		*count = *count+1;
 
-		entry->has_arg = aopt->has_arg;
+		entry->has_arg = op->type;
 		
 next:
-		lopt++;
+		op++;
 	}
 
 	return ule;
 }
 
-void uwsgi_ldap_schema_dump_ldif() {
+void uwsgi_opt_ldap_dump_ldif(char *opt, char *foo, void *bar) {
 
 	int i;
 	int items;
@@ -210,7 +191,7 @@ void uwsgi_ldap_schema_dump_ldif() {
 	exit(0);
 }
 
-void uwsgi_ldap_schema_dump() {
+void uwsgi_opt_ldap_dump(char *opt, char *foo, void *bar) {
 
 	int i;
 	int items;
@@ -258,7 +239,7 @@ void uwsgi_ldap_schema_dump() {
 	exit(0);
 }
 
-void uwsgi_ldap_config() {
+void uwsgi_ldap_config(char *url) {
 
 	LDAP *ldp;
 	LDAPMessage *results, *entry;
@@ -267,7 +248,6 @@ void uwsgi_ldap_config() {
 	char *attr;
 	char *uwsgi_attr;
 
-	char *url = "ldap:///";
 	char *url_slash;
 
 	int desired_version = LDAP_VERSION3;
@@ -275,10 +255,6 @@ void uwsgi_ldap_config() {
 
 	LDAPURLDesc *ldap_url;
 
-	if (uwsgi.ldap) {
-		url = uwsgi.ldap;
-	}
-
 	if (!ldap_is_ldap_url(url)) {
 		uwsgi_log("invalid LDAP url.\n");
 		exit(1);

lib/amqp.c

@@ -27,22 +27,6 @@ struct amqp_frame_method {
 static char *amqp_simple_get_frame(int, struct amqp_frame_header *);
 static char *amqp_get_method(int, uint16_t, uint16_t, uint32_t *);
 
-/*
-static char *amqp_get_longstr(char *ptr, char *watermark) {
-
-        uint32_t longstr_size;
-
-	if (ptr+4 > watermark) return NULL;
-
-        memcpy(&longstr_size, ptr, 4);
-        longstr_size = ntohl(longstr_size);
-
-	if (ptr+4+longstr_size > watermark) return NULL;
-
-        return ptr+4+longstr_size;
-}
-*/
-
 static char *amqp_get_str(char *ptr, char *watermark) {
 
         uint8_t str_size;
@@ -58,23 +42,6 @@ static char *amqp_get_str(char *ptr, char *watermark) {
 }
 
 
-/*
-static char *amqp_get_table(char *ptr, char *watermark) {
-
-	uint32_t table_size;
-
-	if (ptr+4 > watermark) return NULL;
-
-	memcpy(&table_size, ptr, 4);
-
-	table_size = ntohl(table_size);
-
-	if (ptr+4+table_size > watermark) return NULL;
-
-	return ptr+4+table_size;
-}
-*/
-
 static char *amqp_get_short(char *ptr, char *watermark, uint16_t *sv) {
 
 	uint16_t tmp_short;
@@ -197,7 +164,9 @@ char *uwsgi_amqp_consume(int fd, uint64_t *msgsize, char **routing_key) {
         ptr = amqp_get_longlong(ptr, watermark, msgsize); if (!ptr) goto clear2;
 
 	free(frame);
+	frame = NULL;
 	free(header);
+	header = NULL;
 
 	char *fullbody = uwsgi_malloc(*msgsize);
 	char *message;
@@ -501,7 +470,7 @@ static char *amqp_simple_get_frame(int fd, struct amqp_frame_header *fh) {
 
         len = 0;
 
-        char *frame = malloc(fh->size+1);
+        char *frame = uwsgi_malloc(fh->size+1);
         ptr = frame;
 
         while(len < fh->size+1) {

lib/corerouter.h

@@ -0,0 +1,202 @@
+/*
+
+common functions for various routers (fastrouter, http...)
+
+*/
+static void uwsgi_corerouter_setup_sockets(char *gw_id) {
+
+	struct uwsgi_gateway_socket *ugs = uwsgi.gateway_sockets;
+	while (ugs) {
+		if (!strcmp(gw_id, ugs->owner)) {
+#ifdef UWSGI_SCTP
+			if (!ugs->subscription && !ugs->sctp) {
+#else
+			if (!ugs->subscription) {
+#endif
+				if (ugs->name[0] == '=') {
+					int shared_socket = atoi(ugs->name+1);
+                        		if (shared_socket >= 0) {
+                                		ugs->fd = uwsgi_get_shared_socket_fd_by_num(shared_socket);
+						ugs->shared = 1;
+                                		if (ugs->fd == -1) {
+                                        		uwsgi_log("unable to use shared socket %d\n", shared_socket);
+							exit(1);
+                                		}
+						ugs->name = uwsgi_getsockname(ugs->fd);
+                        		}
+				}
+				else if (!uwsgi_startswith("fd://", ugs->name, 5 )) {
+					int fd_socket = atoi(ugs->name+5);
+					if (fd_socket >= 0) {
+						ugs->fd = fd_socket;
+						ugs->name = uwsgi_getsockname(ugs->fd);
+						if (!ugs->name) {
+                                        		uwsgi_log("unable to use file descriptor %d as socket\n", fd_socket);
+							exit(1);
+						}
+					}
+				}
+				else {
+					ugs->port = strchr(ugs->name, ':');
+					if (ugs->fd == -1) {
+						if (ugs->port) {
+							ugs->fd = bind_to_tcp(ugs->name, uwsgi.listen_queue, ugs->port);
+							ugs->port++;
+							ugs->port_len = strlen(ugs->port);
+						}
+						else {
+							ugs->fd = bind_to_unix(ugs->name, uwsgi.listen_queue, uwsgi.chmod_socket, uwsgi.abstract_socket);
+						}
+					}
+				}
+				// put socket in non-blocking mode
+				uwsgi_socket_nb(ugs->fd);
+				uwsgi_log("%s bound on %s fd %d\n", gw_id, ugs->name, ugs->fd);
+			}
+			else if (ugs->subscription) {
+				if (ugs->fd == -1) {
+					ugs->fd = bind_to_udp(ugs->name, 0, 0);
+					uwsgi_socket_nb(ugs->fd);
+				}
+				uwsgi_log("%s subscription server bound on %s fd %d\n", gw_id, ugs->name, ugs->fd);
+			}
+#ifdef UWSGI_SCTP
+			else if (ugs->sctp) {
+				if (ugs->fd == -1) {
+					ugs->fd = bind_to_sctp(ugs->name);
+				}				
+				uwsgi_log("%s SCTP server bound on %s fd %d\n", gw_id, ugs->name, ugs->fd);
+			}
+#endif
+		}
+		ugs = ugs->next;
+	}
+
+}
+
+static void *uwsgi_corerouter_setup_event_queue(char *gw_id, int id, int nevents, int *efd, int cheap) {
+
+	*efd = event_queue_init();
+
+	struct uwsgi_gateway_socket *ugs = uwsgi.gateway_sockets;
+	while (ugs) {
+		if (!strcmp(gw_id, ugs->owner)) {
+			if (!cheap || ugs->subscription) {
+				event_queue_add_fd_read(*efd, ugs->fd);
+			}
+			ugs->gateway = &ushared->gateways[id];
+		}
+		ugs = ugs->next;
+	}
+
+	return event_queue_alloc(nevents);
+}
+
+static void __attribute__ ((unused)) uwsgi_corerouter_manage_subscription(char *gw_id, int id, struct uwsgi_gateway_socket *ugs, int queue, struct uwsgi_subscribe_slot **subscriptions, int regexp, void (*parse_hook) (char *, uint16_t, char *, uint16_t, void *), int cheap, int *i_am_cheap) {
+
+	int i;
+	struct uwsgi_subscribe_req usr;
+	char bbuf[4096];
+
+	ssize_t len = recv(ugs->fd, bbuf, 4096, 0);
+#ifdef UWSGI_EVENT_USE_PORT
+	event_queue_add_fd_read(queue, ugs->fd);
+#endif
+	if (len > 0) {
+		memset(&usr, 0, sizeof(struct uwsgi_subscribe_req));
+		uwsgi_hooked_parse(bbuf + 4, len - 4, parse_hook, &usr);
+
+		// subscribe request ?
+		if (bbuf[3] == 0) {
+			if (uwsgi_add_subscribe_node(subscriptions, &usr, regexp) && *i_am_cheap) {
+				struct uwsgi_gateway_socket *ugs = uwsgi.gateway_sockets;
+				while (ugs) {
+					if (!strcmp(ugs->owner, gw_id) && !ugs->subscription) {
+						event_queue_add_fd_read(queue, ugs->fd);
+					}
+					ugs = ugs->next;
+				}
+				*i_am_cheap = 0;
+				uwsgi_log("[%s pid %d] leaving cheap mode...\n", gw_id, (int) uwsgi.mypid);
+			}
+		}
+		//unsubscribe 
+		else {
+			struct uwsgi_subscribe_node *node = uwsgi_get_subscribe_node_by_name(subscriptions, usr.key, usr.keylen, usr.address, usr.address_len, regexp);
+			if (node && node->len) {
+				if (node->death_mark == 0)
+					uwsgi_log("[%s pid %d] %.*s => marking %.*s as failed\n", gw_id, (int) uwsgi.mypid, (int) usr.keylen, usr.key, (int) usr.address_len, usr.address);
+				node->failcnt++;
+				node->death_mark = 1;
+				// check if i can remove the node
+				if (node->reference == 0) {
+					uwsgi_remove_subscribe_node(subscriptions, node);
+				}
+				if (*subscriptions == NULL && cheap && !*i_am_cheap) {
+					uwsgi_gateway_go_cheap(gw_id, queue, i_am_cheap);
+				}
+			}
+		}
+
+		// propagate the subscription to other nodes
+		for (i = 0; i < ushared->gateways_cnt; i++) {
+			if (i == id)
+				continue;
+			if (!strcmp(ushared->gateways[i].name, gw_id)) {
+				if (send(ushared->gateways[i].internal_subscription_pipe[0], bbuf, len, 0) != len) {
+					uwsgi_error("send()");
+				}
+			}
+		}
+	}
+
+}
+
+static void __attribute__ ((unused)) uwsgi_corerouter_manage_internal_subscription(char *gw_id, int queue, int fd, struct uwsgi_subscribe_slot **subscriptions, int regexp, void (*parse_hook) (char *, uint16_t, char *, uint16_t, void *), int cheap, int *i_am_cheap) {
+
+
+	struct uwsgi_subscribe_req usr;
+	char bbuf[4096];
+
+	ssize_t len = recv(fd, bbuf, 4096, 0);
+#ifdef UWSGI_EVENT_USE_PORT
+	event_queue_add_fd_read(queue, fd);
+#endif
+	if (len > 0) {
+		memset(&usr, 0, sizeof(struct uwsgi_subscribe_req));
+		uwsgi_hooked_parse(bbuf + 4, len - 4, parse_hook, &usr);
+
+		// subscribe request ?
+		if (bbuf[3] == 0) {
+			if (uwsgi_add_subscribe_node(subscriptions, &usr, regexp) && *i_am_cheap) {
+				struct uwsgi_gateway_socket *ugs = uwsgi.gateway_sockets;
+				while (ugs) {
+					if (!strcmp(ugs->owner, gw_id) && !ugs->subscription) {
+						event_queue_add_fd_read(queue, ugs->fd);
+					}
+					ugs = ugs->next;
+				}
+				*i_am_cheap = 0;
+				uwsgi_log("[%s pid %d] leaving cheap mode...\n", gw_id, (int) uwsgi.mypid);
+			}
+		}
+		//unsubscribe 
+		else {
+			struct uwsgi_subscribe_node *node = uwsgi_get_subscribe_node_by_name(subscriptions, usr.key, usr.keylen, usr.address, usr.address_len, regexp);
+			if (node && node->len) {
+				if (node->death_mark == 0)
+					uwsgi_log("[%s pid %d] %.*s => marking %.*s as failed\n", gw_id, (int) uwsgi.mypid, (int) usr.keylen, usr.key, (int) usr.address_len, usr.address);
+				node->failcnt++;
+				node->death_mark = 1;
+				// check if i can remove the node
+				if (node->reference == 0) {
+					uwsgi_remove_subscribe_node(subscriptions, node);
+				}
+				if (*subscriptions == NULL && cheap && !*i_am_cheap) {
+					uwsgi_gateway_go_cheap(gw_id, queue, i_am_cheap);
+				}
+			}
+		}
+	}
+
+}

lib/linux_ns.c

@@ -33,6 +33,22 @@ void linux_namespace_start(void *argv) {
 			uwsgi_error("clone()");
 			exit(1);
 		}
+
+		// run the post-jail scripts
+		if (setenv("UWSGI_JAIL_PID", uwsgi_num2str((int) pid), 1)) {
+			uwsgi_error("setenv()");
+		}
+        	struct uwsgi_string_list *usl = uwsgi.exec_post_jail;
+        	while(usl) {
+                	uwsgi_log("running \"%s\" (post-jail)...\n", usl->value);
+                	int ret = uwsgi_run_command_and_wait(NULL, usl->value);
+                	if (ret != 0) {
+                        	uwsgi_log("command \"%s\" exited with non-zero code: %d\n", usl->value, ret);
+                        	exit(1);
+                	}
+                	usl = usl->next;
+        	}
+
 		uwsgi_log("waiting for jailed master (pid: %d) death...\n", (int) pid);
 		pid = waitpid(pid, &waitpid_status, 0);
 		if (pid < 0) {

lib/netlink.c

@@ -1,5 +1,20 @@
 #include "../uwsgi.h"
 
+#ifdef OBSOLETE_LINUX_KERNEL
+#ifndef __u16
+#define __u16           u_int16_t
+#endif
+#ifndef __u32
+#define __u32           u_int32_t
+#endif
+#ifndef __s32
+#define __s32           int32_t
+#endif
+#ifndef __u8
+#define __u8           u_int8_t
+#endif
+#endif
+
 #include <linux/netlink.h>
 #include <linux/rtnetlink.h>
 #include <net/if.h>

lib/rbtree.c

@@ -19,7 +19,7 @@
 
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
-  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
 
 */
 

lib/rbtree.h

@@ -18,7 +18,7 @@
 
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
-  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
 
 */
 

lock.c

@@ -1,195 +1,549 @@
 #include "uwsgi.h"
 
+extern struct uwsgi_server uwsgi;
+
+static struct uwsgi_lock_item *uwsgi_register_lock(char *id, int rw) {
+
+	struct uwsgi_lock_item *uli = uwsgi.registered_locks;
+	if (!uli) {
+		uwsgi.registered_locks = uwsgi_malloc_shared(sizeof(struct uwsgi_lock_item));
+		uwsgi.registered_locks->id = id;
+		uwsgi.registered_locks->pid = 0;
+		if (rw) {
+			uwsgi.registered_locks->lock_ptr = uwsgi_malloc_shared(uwsgi.rwlock_size);
+		}
+		else {
+			uwsgi.registered_locks->lock_ptr = uwsgi_malloc_shared(uwsgi.lock_size);
+		}
+		uwsgi.registered_locks->rw = rw;
+		uwsgi.registered_locks->next = NULL;
+		return uwsgi.registered_locks;
+	}
+
+	while(uli) {
+		if (!uli->next) {
+			uli->next = uwsgi_malloc_shared(sizeof(struct uwsgi_lock_item));
+			if (rw) {
+				uli->next->lock_ptr = uwsgi_malloc_shared(uwsgi.rwlock_size);
+			}
+			else {
+				uli->next->lock_ptr = uwsgi_malloc_shared(uwsgi.lock_size);
+			}
+			uli->next->id = id;
+			uli->next->pid = 0;
+			uli->next->rw = rw;
+			uli->next->next = NULL;
+			return uli->next;
+		}
+		uli = uli->next;
+	}
+
+	uwsgi_log("*** DANGER: unable to allocate lock %s ***\n", id);
+	exit(1);
+
+}
 
 #ifdef UWSGI_LOCK_USE_MUTEX
 
-#define UWSGI_LOCK_SIZE	sizeof(pthread_mutexattr_t) + sizeof(pthread_mutex_t)
-#define UWSGI_RWLOCK_SIZE	sizeof(pthread_rwlockattr_t) + sizeof(pthread_rwlock_t)
+#ifdef EOWNERDEAD
+#define UWSGI_LOCK_ENGINE_NAME "pthread robust mutexes"
+#else
+#define UWSGI_LOCK_ENGINE_NAME "pthread mutexes"
+#endif
+
+#define UWSGI_LOCK_SIZE	sizeof(pthread_mutex_t)
+
+#ifdef OBSOLETE_LINUX_KERNEL
+#define UWSGI_RWLOCK_SIZE	sizeof(pthread_mutex_t)
+#else
+#define UWSGI_RWLOCK_SIZE	sizeof(pthread_rwlock_t)
+#endif
 
 // REMEMBER lock must contains space for both pthread_mutex_t and pthread_mutexattr_t !!! 
-void uwsgi_lock_init(void *lock) {
+struct uwsgi_lock_item *uwsgi_lock_fast_init(char *id) {
 
-	if (pthread_mutexattr_init((pthread_mutexattr_t *) lock)) {
+	pthread_mutexattr_t attr;
+	
+        struct uwsgi_lock_item *uli = uwsgi_register_lock(id, 0);
+
+	if (pthread_mutexattr_init(&attr)) {
         	uwsgi_log("unable to allocate mutexattr structure\n");
                 exit(1);
 	}
-        if (pthread_mutexattr_setpshared((pthread_mutexattr_t *) lock, PTHREAD_PROCESS_SHARED)) {
+        if (pthread_mutexattr_setpshared(&attr, PTHREAD_PROCESS_SHARED)) {
         	uwsgi_log("unable to share mutex\n");
                 exit(1);
         }
 
-        if (pthread_mutex_init((pthread_mutex_t *) lock + sizeof(pthread_mutexattr_t), (pthread_mutexattr_t *) lock)) {
+#ifdef EOWNERDEAD
+        if (pthread_mutexattr_setrobust_np(&attr, PTHREAD_MUTEX_ROBUST_NP)) {
+        	uwsgi_log("unable to make the mutex 'robust'\n");
+                exit(1);
+        }
+#endif
+
+        if (pthread_mutex_init((pthread_mutex_t *) uli->lock_ptr, &attr)) {
         	uwsgi_log("unable to initialize mutex\n");
                 exit(1);
         }
 
+	pthread_mutexattr_destroy(&attr);
+
+#ifndef EOWNERDEAD
+	uli->can_deadlock = 1;
+#endif
+
+	return uli;
+}
+
+pid_t uwsgi_lock_fast_check(struct uwsgi_lock_item *uli) {
+
+	if (pthread_mutex_trylock((pthread_mutex_t *) uli->lock_ptr) == 0 ) {
+		pthread_mutex_unlock((pthread_mutex_t *) uli->lock_ptr);	
+		return 0;
+	}
+	return uli->pid;
+}
+
+pid_t uwsgi_rwlock_fast_check(struct uwsgi_lock_item *uli) {
+#ifdef OBSOLETE_LINUX_KERNEL
+	return uwsgi_lock_fast_check(uli);
+#else
+
+	if (pthread_rwlock_trywrlock((pthread_rwlock_t *) uli->lock_ptr) == 0 ) {
+		pthread_rwlock_unlock((pthread_rwlock_t *) uli->lock_ptr);	
+		return 0;
+	}
+        return uli->pid;
+#endif
+}
+
+
+void uwsgi_lock_fast(struct uwsgi_lock_item *uli) {
+
+#ifdef EOWNERDEAD
+	if (pthread_mutex_lock((pthread_mutex_t *) uli->lock_ptr) == EOWNERDEAD) {
+		uwsgi_log("[deadlock-detector] a process holding a robust mutex died. recovering...\n");
+		pthread_mutex_consistent_np((pthread_mutex_t *) uli->lock_ptr);
+	}
+#else
+	pthread_mutex_lock((pthread_mutex_t *) uli->lock_ptr);
+#endif
+        uli->pid = uwsgi.mypid;
+}
+
+void uwsgi_unlock_fast(struct uwsgi_lock_item *uli) {
+
+	pthread_mutex_unlock((pthread_mutex_t *) uli->lock_ptr);
+	uli->pid = 0;
 
 }
 
-void uwsgi_rlock(void *lock) {
-	pthread_rwlock_rdlock((pthread_rwlock_t *) lock + sizeof(pthread_rwlockattr_t));
+void uwsgi_rlock_fast(struct uwsgi_lock_item *uli) {
+#ifdef OBSOLETE_LINUX_KERNEL
+	uwsgi_lock_fast(uli);
+#else
+	pthread_rwlock_rdlock((pthread_rwlock_t *) uli->lock_ptr);
+        uli->pid = uwsgi.mypid;
+#endif
 }
 
-void uwsgi_wlock(void *lock) {
-	pthread_rwlock_wrlock((pthread_rwlock_t *) lock + sizeof(pthread_rwlockattr_t));
+void uwsgi_wlock_fast(struct uwsgi_lock_item *uli) {
+#ifdef OBSOLETE_LINUX_KERNEL
+	uwsgi_lock_fast(uli);
+#else
+	pthread_rwlock_wrlock((pthread_rwlock_t *) uli->lock_ptr);
+        uli->pid = uwsgi.mypid;
+#endif
 }
 
-void uwsgi_rwunlock(void *lock) {
-	pthread_rwlock_unlock((pthread_rwlock_t *) lock + sizeof(pthread_rwlockattr_t));
+void uwsgi_rwunlock_fast(struct uwsgi_lock_item *uli) {
+#ifdef OBSOLETE_LINUX_KERNEL
+	uwsgi_unlock_fast(uli);
+#else
+	pthread_rwlock_unlock((pthread_rwlock_t *) uli->lock_ptr);
+        uli->pid = 0;
+#endif
 }
 
-void uwsgi_lock(void *lock) {
+struct uwsgi_lock_item *uwsgi_rwlock_fast_init(char *id) {
 
-	pthread_mutex_lock((pthread_mutex_t *) lock + sizeof(pthread_mutexattr_t));
-}
+#ifdef OBSOLETE_LINUX_KERNEL
+	return uwsgi_lock_fast_init(id);
+#else
 
-void uwsgi_unlock(void *lock) {
+	pthread_rwlockattr_t attr;
 
-	pthread_mutex_unlock((pthread_mutex_t *) lock + sizeof(pthread_mutexattr_t));
-}
+	struct uwsgi_lock_item *uli = uwsgi_register_lock(id, 1);
 
-void uwsgi_rwlock_init(void *lock) {
-
-        if (pthread_rwlockattr_init((pthread_rwlockattr_t *) lock)) {
+        if (pthread_rwlockattr_init(&attr)) {
                 uwsgi_log("unable to allocate rwlock structure\n");
                 exit(1);
         }
-        if (pthread_rwlockattr_setpshared((pthread_rwlockattr_t *) lock, PTHREAD_PROCESS_SHARED)) {
+
+        if (pthread_rwlockattr_setpshared(&attr, PTHREAD_PROCESS_SHARED)) {
                 uwsgi_log("unable to share rwlock\n");
                 exit(1);
         }
 
-        if (pthread_rwlock_init((pthread_rwlock_t *) lock + sizeof(pthread_rwlockattr_t), (pthread_rwlockattr_t *) lock)) {
+        if (pthread_rwlock_init((pthread_rwlock_t *) uli->lock_ptr, &attr)) {
                 uwsgi_log("unable to initialize rwlock\n");
                 exit(1);
         }
 
+	pthread_rwlockattr_destroy(&attr);
+
+	uli->can_deadlock = 1;
+
+	return uli;
+#endif
+
+
 
 }
 
 
 
-#endif
+#elif defined(UWSGI_LOCK_USE_UMTX)
 
-#ifdef UWSGI_LOCK_USE_UMTX
+/* Warning: FreeBSD is still not ready for process-shared UMTX */
 
 #include <machine/atomic.h>
 #include <sys/umtx.h>
 
 #define UWSGI_LOCK_SIZE		sizeof(struct umtx)
 #define UWSGI_RWLOCK_SIZE	sizeof(struct umtx)
+#define UWSGI_LOCK_ENGINE_NAME	"FreeBSD umtx"
 
-void uwsgi_rwlock_init(void *lock) { uwsgi_lock_init(lock) ;}
-void uwsgi_rlock(void *lock) { uwsgi_lock(lock);}
-void uwsgi_wlock(void *lock) { uwsgi_lock(lock);}
-void uwsgi_rwunlock(void *lock) { uwsgi_unlock(lock); }
+struct uwsgi_lock_item *uwsgi_rwlock_fast_init(char *id) { return uwsgi_lock_fast_init(id) ;}
+void uwsgi_rlock_fast(struct uwsgi_lock_item *uli) { uwsgi_lock_fast(uli);}
+void uwsgi_wlock_fast(struct uwsgi_lock_item *uli) { uwsgi_lock_fast(uli);}
+void uwsgi_rwunlock_fast(struct uwsgi_lock_item *uli) { uwsgi_unlock_fast(uli); }
 
-void uwsgi_lock_init(void *lock) {
-	umtx_init((struct umtx*) lock);
+struct uwsgi_lock_item *uwsgi_lock_fast_init(char *id) {
+	struct uwsgi_lock_item *uli = uwsgi_register_lock(id, 0);
+	umtx_init((struct umtx*) uli->lock_ptr);
+	return uli;
 }
 
-void uwsgi_lock(void *lock) {
-	umtx_lock(lock, 1);
+void uwsgi_lock_fast(struct uwsgi_lock_item *uli) {
+	umtx_lock((struct umtx*) uli->lock_ptr, (u_long) getpid() );
+	uli->pid = uwsgi.mypid;
 }
 
-void uwsgi_unlock(void *lock) {
-	umtx_unlock(lock, 1);
+void uwsgi_unlock_fast(struct uwsgi_lock_item *uli) {
+	umtx_unlock((struct umtx*) uli->lock_ptr, (u_long) getpid() );
+	uli->pid = 0;
 }
 
-#endif
+pid_t uwsgi_lock_fast_check(struct uwsgi_lock_item *uli) {
+	if (umtx_trylock((struct umtx*) uli->lock_ptr, (u_long) getpid() )) {
+		umtx_unlock((struct umtx*) uli->lock_ptr, (u_long) getpid() );
+		return 0;
+	}
+	return uli->pid;
+}
+
+pid_t uwsgi_rwlock_fast_check(struct uwsgi_lock_item *uli) { return uwsgi_lock_fast_check(uli); }
+
+#elif defined(UWSGI_LOCK_USE_POSIX_SEM)
+
+#define UWSGI_LOCK_SIZE         sizeof(sem_t)
+#define UWSGI_RWLOCK_SIZE       sizeof(sem_t)
+#define UWSGI_LOCK_ENGINE_NAME  "POSIX semaphores"
+
+#include <semaphore.h>
+
+struct uwsgi_lock_item *uwsgi_lock_fast_init(char *id) {
+        struct uwsgi_lock_item *uli = uwsgi_register_lock(id, 0);
+        sem_init((sem_t*) uli->lock_ptr, 1, 1);
+	uli->can_deadlock = 1;
+        return uli;
+}
+
+struct uwsgi_lock_item *uwsgi_rwlock_fast_init(char *id) { return uwsgi_lock_fast_init(id) ;}
+
+void uwsgi_lock_fast(struct uwsgi_lock_item *uli) {
+        sem_wait((sem_t *) uli->lock_ptr);
+        uli->pid = uwsgi.mypid;
+}
+
+void uwsgi_unlock_fast(struct uwsgi_lock_item *uli) {
+        sem_post((sem_t*) uli->lock_ptr);
+        uli->pid = 0;
+}
+
+pid_t uwsgi_lock_fast_check(struct uwsgi_lock_item *uli) {
+	if (sem_trywait((sem_t *) uli->lock_ptr) == 0) {
+		sem_post((sem_t*) uli->lock_ptr);
+                return 0;
+        }
+        return uli->pid;
+}
+
+pid_t uwsgi_rwlock_fast_check(struct uwsgi_lock_item *uli) { return uwsgi_lock_fast_check(uli); }
+void uwsgi_rlock_fast(struct uwsgi_lock_item *uli) { uwsgi_lock_fast(uli);}
+void uwsgi_wlock_fast(struct uwsgi_lock_item *uli) { uwsgi_lock_fast(uli);}
+void uwsgi_rwunlock_fast(struct uwsgi_lock_item *uli) { uwsgi_unlock_fast(uli); }
 
 
-#ifdef UWSGI_LOCK_USE_OSX_SPINLOCK
+#elif defined(UWSGI_LOCK_USE_OSX_SPINLOCK)
 
+#define UWSGI_LOCK_ENGINE_NAME "OSX spinlocks"
 #define UWSGI_LOCK_SIZE		sizeof(OSSpinLock)
 #define UWSGI_RWLOCK_SIZE	sizeof(OSSpinLock)
 
 
-void uwsgi_lock_init(void *lock) {
+struct uwsgi_lock_item *uwsgi_lock_fast_init(char *id) {
 
-	memset(lock, 0, sizeof(OSSpinLock));
+	struct uwsgi_lock_item *uli = uwsgi_register_lock(id, 0);
+	memset(uli->lock_ptr, 0, UWSGI_LOCK_SIZE);
+	uli->can_deadlock = 1;
+	return uli;
 }
 
-void uwsgi_lock(void *lock) {
+void uwsgi_lock_fast(struct uwsgi_lock_item *uli) {
 
-	OSSpinLockLock((OSSpinLock *) lock);
+	OSSpinLockLock((OSSpinLock *) uli->lock_ptr);
+	uli->pid = uwsgi.mypid;
 }
 
-void uwsgi_unlock(void *lock) {
+void uwsgi_unlock_fast(struct uwsgi_lock_item *uli) {
 
-	OSSpinLockUnlock((OSSpinLock *) lock);
+	OSSpinLockUnlock((OSSpinLock *) uli->lock_ptr);
+	uli->pid = 0;
 }
 
-void uwsgi_rwlock_init(void *lock) { uwsgi_lock_init(lock) ;}
-void uwsgi_rlock(void *lock) { uwsgi_lock(lock);}
-void uwsgi_wlock(void *lock) { uwsgi_lock(lock);}
-void uwsgi_rwunlock(void *lock) { uwsgi_unlock(lock); }
+pid_t uwsgi_lock_fast_check(struct uwsgi_lock_item *uli) {
+	if (OSSpinLockTry((OSSpinLock *) uli->lock_ptr)) {
+		OSSpinLockUnlock((OSSpinLock *) uli->lock_ptr);
+		return 0;
+	}
+	return uli->pid;
+}
 
+struct uwsgi_lock_item *uwsgi_rwlock_fast_init(char *id) { 
+	struct uwsgi_lock_item *uli = uwsgi_register_lock(id, 1);
+	memset(uli->lock_ptr, 0, UWSGI_LOCK_SIZE);
+	uli->can_deadlock = 1;
+	return uli;
+}
+
+void uwsgi_rlock_fast(struct uwsgi_lock_item *uli) { uwsgi_lock_fast(uli);}
+void uwsgi_wlock_fast(struct uwsgi_lock_item *uli) { uwsgi_lock_fast(uli);}
+
+pid_t uwsgi_rwlock_fast_check(struct uwsgi_lock_item *uli) { return uwsgi_lock_fast_check(uli); }
+
+void uwsgi_rwunlock_fast(struct uwsgi_lock_item *uli) { uwsgi_unlock_fast(uli); }
+
+#else
+
+#define uwsgi_lock_fast_init uwsgi_lock_ipcsem_init
+#define uwsgi_lock_fast_check uwsgi_lock_ipcsem_check
+#define uwsgi_lock_fast uwsgi_lock_ipcsem
+#define uwsgi_unlock_fast uwsgi_unlock_ipcsem
+
+#define uwsgi_rwlock_fast_init uwsgi_rwlock_ipcsem_init
+#define uwsgi_rwlock_fast_check uwsgi_rwlock_ipcsem_check
+
+#define uwsgi_rlock_fast uwsgi_rlock_ipcsem
+#define uwsgi_wlock_fast uwsgi_wlock_ipcsem
+#define uwsgi_rwunlock_fast uwsgi_rwunlock_ipcsem
+
+#define UWSGI_LOCK_SIZE sizeof(int)
+#define UWSGI_RWLOCK_SIZE sizeof(int)
+
+#define UWSGI_LOCK_ENGINE_NAME "ipcsem"
+
+#define UWSGI_IPCSEM_ATEXIT	1
 
 #endif
 
+struct uwsgi_lock_item *uwsgi_lock_ipcsem_init(char *id) {
 
-#ifdef UWSGI_LOCK_USE_FLOCK
+	// used by ftok
+	static int counter = 1;
+	union semun {
+ 		int val;
+		struct semid_ds *buf;
+		ushort *array;
+	} semu ;
+	int semid;
+	key_t myKey;
 
-#define UWSGI_LOCK_SIZE 8
-#define UWSGI_RWLOCK_SIZE 8
+	struct uwsgi_lock_item *uli = uwsgi_register_lock(id, 0);
 
-void uwsgi_lock_init(void *lock) {
+	if (uwsgi.ftok) {
+		myKey = ftok(uwsgi.ftok, counter);
+		if (myKey < 0) {
+			uwsgi_error("ftok()");
+			exit(1);
+		}
+		counter++;
+		semid = semget(myKey, 1, IPC_CREAT|0666);
+	}
+	else {
+		semid = semget(IPC_PRIVATE, 1, IPC_CREAT|IPC_EXCL| 0666);
+	}
 
-	FILE *tf = tmpfile();
-	int fd;
+	if (semid < 0) {
+		uwsgi_error("semget()");
+		exit(1);
+	}
+	// do this now, to allows triggering of atexit hook in case of problems
+	memcpy(uli->lock_ptr, &semid, sizeof(int));
 
-	if (!tf) {
-		uwsgi_error_open("temp lock file");
+	semu.val = 1;
+	if (semctl(semid, 0, SETVAL, semu)) {
+		uwsgi_error("semctl()");
 		exit(1);
 	}
 	
-	fd = fileno(tf);
-
-	memcpy(lock, &fd, sizeof(int));
+	return uli;
 }
 
-void uwsgi_lock(void *lock) {
+void uwsgi_lock_ipcsem(struct uwsgi_lock_item *uli) {
 
-	int fd;
-	memcpy(&fd, lock, sizeof(int));
-	if (flock(fd, LOCK_EX)) { uwsgi_error("flock()"); }
+	int semid;
+	struct sembuf sb;
+	sb.sem_num = 0;
+	sb.sem_op = -1;
+	sb.sem_flg = SEM_UNDO;
+
+	memcpy(&semid, uli->lock_ptr, sizeof(int));
+
+	if (semop(semid, &sb, 1)) {
+		uwsgi_error("semop()");
+	} 
 }
 
-void uwsgi_unlock(void *lock) {
-	int fd;
-	memcpy(&fd, lock, sizeof(int));
-	if (flock(fd, LOCK_UN)) { uwsgi_error("flock()"); }
+void uwsgi_unlock_ipcsem(struct uwsgi_lock_item *uli) {
+
+	int semid;
+	struct sembuf sb;
+	sb.sem_num = 0;
+	sb.sem_op = 1;
+	sb.sem_flg = SEM_UNDO;
+
+	memcpy(&semid, uli->lock_ptr, sizeof(int));
+
+	if (semop(semid, &sb, 1)) {
+		uwsgi_error("semop()");
+	} 
+
 }
 
-void uwsgi_rwlock_init(void *lock) { uwsgi_lock_init(lock) ;}
-void uwsgi_rlock(void *lock) { uwsgi_lock(lock);}
-void uwsgi_wlock(void *lock) { uwsgi_lock(lock);}
-void uwsgi_rwunlock(void *lock) { uwsgi_unlock(lock); }
+struct uwsgi_lock_item *uwsgi_rwlock_ipcsem_init(char *id) { return uwsgi_lock_ipcsem_init(id);}
+void uwsgi_rlock_ipcsem(struct uwsgi_lock_item *uli) { uwsgi_lock_ipcsem(uli);}
+void uwsgi_wlock_ipcsem(struct uwsgi_lock_item *uli) { uwsgi_lock_ipcsem(uli);}
+void uwsgi_rwunlock_ipcsem(struct uwsgi_lock_item *uli) { uwsgi_unlock_ipcsem(uli); }
 
+// ipc cannot deadlock
+pid_t uwsgi_lock_ipcsem_check(struct uwsgi_lock_item *uli) {
+	return 0;
+}
+
+void uwsgi_ipcsem_clear(void) {
+
+	struct uwsgi_lock_item *uli = uwsgi.registered_locks;
+
+	if (!uwsgi.workers) goto clear;
+
+	if (uwsgi.mywid == 0) goto clear;
+
+	if (uwsgi.master_process && getpid() == uwsgi.workers[0].pid) goto clear;
+
+	if (!uwsgi.master_process && uwsgi.mywid == 1) goto clear;
+
+	return;
+
+clear:
+
+#ifdef UWSGI_DEBUG
+	uwsgi_log("removing sysvipc semaphores...\n");
 #endif
-
-
-void *uwsgi_mmap_shared_lock() {
-	void *addr = NULL;
-	addr = mmap(NULL, UWSGI_LOCK_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0);
-
-	if (addr == NULL) {
-		uwsgi_error("mmap()");
-		exit(1);
+        while(uli) {
+		int semid = 0;
+		memcpy(&semid, uli->lock_ptr, sizeof(int));
+		if (semctl(semid, 0, IPC_RMID)) {
+			uwsgi_error("semctl()");
+		}
+		uli = uli->next;
 	}
-
-	return addr;
 }
 
-void *uwsgi_mmap_shared_rwlock() {
-	void *addr = NULL;
-	addr = mmap(NULL, UWSGI_RWLOCK_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0);
 
-	if (addr == NULL) {
-		uwsgi_error("mmap()");
-		exit(1);
+pid_t uwsgi_rwlock_ipcsem_check(struct uwsgi_lock_item *uli) { return uwsgi_lock_ipcsem_check(uli); }
+
+
+void uwsgi_setup_locking() {
+
+	// use the fastest avaikable locking
+	if (uwsgi.lock_engine) {
+		if (!strcmp(uwsgi.lock_engine, "ipcsem")) {
+			uwsgi_log_initial("lock engine: ipcsem\n");
+			atexit(uwsgi_ipcsem_clear);
+			uwsgi.lock_ops.lock_init = uwsgi_lock_ipcsem_init;
+			uwsgi.lock_ops.lock_check = uwsgi_lock_ipcsem_check;
+			uwsgi.lock_ops.lock = uwsgi_lock_ipcsem;
+			uwsgi.lock_ops.unlock = uwsgi_unlock_ipcsem;
+			uwsgi.lock_ops.rwlock_init = uwsgi_rwlock_ipcsem_init;
+			uwsgi.lock_ops.rwlock_check = uwsgi_rwlock_ipcsem_check;
+			uwsgi.lock_ops.rlock = uwsgi_rlock_ipcsem;
+			uwsgi.lock_ops.wlock = uwsgi_wlock_ipcsem;
+			uwsgi.lock_ops.rwunlock = uwsgi_rwunlock_ipcsem;
+			uwsgi.lock_size = 8;
+			uwsgi.rwlock_size = 8;
+			return;
+		}
 	}
 
-	return addr;
+	uwsgi_log_initial("lock engine: %s\n", UWSGI_LOCK_ENGINE_NAME);
+#ifdef UWSGI_IPCSEM_ATEXIT
+	atexit(uwsgi_ipcsem_clear);
+#endif
+	uwsgi.lock_ops.lock_init = uwsgi_lock_fast_init;
+	uwsgi.lock_ops.lock_check = uwsgi_lock_fast_check;
+	uwsgi.lock_ops.lock = uwsgi_lock_fast;
+	uwsgi.lock_ops.unlock = uwsgi_unlock_fast;
+	uwsgi.lock_ops.rwlock_init = uwsgi_rwlock_fast_init;
+	uwsgi.lock_ops.rwlock_check = uwsgi_rwlock_fast_check;
+	uwsgi.lock_ops.rlock = uwsgi_rlock_fast;
+	uwsgi.lock_ops.wlock = uwsgi_wlock_fast;
+	uwsgi.lock_ops.rwunlock = uwsgi_rwunlock_fast;
+	uwsgi.lock_size = UWSGI_LOCK_SIZE;
+	uwsgi.rwlock_size = UWSGI_RWLOCK_SIZE;
+}
+
+
+int uwsgi_fcntl_lock(int fd) {
+	struct flock fl;
+	fl.l_type = F_WRLCK;
+	fl.l_whence = SEEK_SET;
+	fl.l_start = 0;
+	fl.l_len = 0;
+	fl.l_pid = 0;
+
+	int ret = fcntl(fd, F_SETLKW, &fl);
+	if (ret < 0)
+		uwsgi_error("fcntl()");
+
+	return ret;
+}
+
+int uwsgi_fcntl_is_locked(int fd) {
+
+	struct flock fl;
+        fl.l_type = F_WRLCK;
+        fl.l_whence = SEEK_SET;
+        fl.l_start = 0;
+        fl.l_len = 0;
+        fl.l_pid = 0;
+
+        if (fcntl(fd, F_SETLK, &fl)) {
+		return 1;
+	}
+
+	return 0;
+	
 }

logging.c

@@ -19,10 +19,101 @@
 
 extern struct uwsgi_server uwsgi;
 
+void uwsgi_check_logrotate(void) {
+
+	char message[1024];
+	int need_rotation = 0;
+	int need_reopen = 0;
+
+	if (uwsgi.log_master) {
+		uwsgi.shared->logsize = lseek(uwsgi.original_log_fd, 0, SEEK_CUR);
+	}
+	else {
+		uwsgi.shared->logsize = lseek(2, 0, SEEK_CUR);
+	}
+
+	if (uwsgi.log_maxsize > 0 && uwsgi.shared->logsize > uwsgi.log_maxsize) {
+		need_rotation = 1;
+	}
+	
+	if (uwsgi_check_touches(uwsgi.touch_logrotate)) {
+		need_rotation = 1;
+	}
+
+	if (uwsgi_check_touches(uwsgi.touch_logreopen)) {
+		need_reopen = 1;
+	}
+
+	if (need_rotation) {
+
+		char *rot_name = uwsgi.log_backupname;
+		int need_free = 0;
+		if (rot_name == NULL) {
+			char *ts_str = uwsgi_num2str((int) time(NULL));
+			rot_name = uwsgi_concat3(uwsgi.logfile, ".", ts_str);
+			free(ts_str);
+			need_free = 1;
+		}
+		int ret = snprintf(message, 1024, "[%d] logsize: %llu, triggering rotation to %s...\n", (int) time(NULL), (unsigned long long) uwsgi.shared->logsize, rot_name);
+		if (ret > 0) {
+			if (write(uwsgi.original_log_fd, message, ret) != ret) {
+				// very probably this will never be printed
+				uwsgi_error("write()");
+			}
+		}
+		if (rename(uwsgi.logfile, rot_name) == 0) {
+			// reopen logfile dup'it and eventually gracefully reload workers;
+			int fd = open(uwsgi.logfile, O_RDWR | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR | S_IRGRP);
+			if (fd < 0) {
+				uwsgi_error_open(uwsgi.logfile);
+				grace_them_all(0);
+			}
+			if (dup2(fd, uwsgi.original_log_fd) < 0) {
+				uwsgi_error("dup2()");
+				grace_them_all(0);
+			}
+
+			close(fd);
+
+		}
+		else {
+			uwsgi_error("unable to rotate log: rename()");
+		}
+		if (need_free)
+			free(rot_name);
+	}
+	else if (need_reopen) {
+		int ret = snprintf(message, 1024, "[%d] logsize: %llu, triggering log-reopen...\n", (int) time(NULL), (unsigned long long) uwsgi.shared->logsize);
+                if (ret > 0) {
+                        if (write(uwsgi.original_log_fd, message, ret) != ret) {
+                                // very probably this will never be printed
+                                uwsgi_error("write()");
+                        }
+                }
+
+		// reopen logfile;
+		close(uwsgi.original_log_fd);
+                uwsgi.original_log_fd = open(uwsgi.logfile, O_RDWR | O_CREAT | O_APPEND, S_IRUSR | S_IWUSR | S_IRGRP);
+                if (uwsgi.original_log_fd < 0) {
+                	uwsgi_error_open(uwsgi.logfile);
+                	grace_them_all(0);
+                }
+		ret = snprintf(message, 1024, "[%d] %s reopened.\n", (int) time(NULL), uwsgi.logfile);
+                if (ret > 0) {
+                        if (write(uwsgi.original_log_fd, message, ret) != ret) {
+                                // very probably this will never be printed
+                                uwsgi_error("write()");
+                        }
+                }
+		uwsgi.shared->logsize = lseek(uwsgi.original_log_fd, 0, SEEK_CUR);
+	}
+}
+
+
 void log_request(struct wsgi_request *wsgi_req) {
 
 	// optimize this (please)
-	char *time_request;
+	char time_request[26];
 	time_t microseconds, microseconds2;
 	int rlen;
 	int app_req = -1;
@@ -44,10 +135,13 @@ void log_request(struct wsgi_request *wsgi_req) {
 #ifdef UWSGI_SENDFILE
 	char *msg1 = " via sendfile() ";
 #endif
+	char *msg3 = " via route() ";
+	char *msg4 = " via offload() ";
 
 	struct uwsgi_app *wi;
 
-	if (wsgi_req->do_not_log) return ;
+	if (wsgi_req->do_not_log)
+		return;
 
 	if (wsgi_req->app_id >= 0) {
 		wi = &uwsgi_apps[wsgi_req->app_id];
@@ -57,12 +151,24 @@ void log_request(struct wsgi_request *wsgi_req) {
 	}
 
 #ifdef UWSGI_SENDFILE
-	if (wsgi_req->sendfile_fd > -1 && wsgi_req->sendfile_obj == wsgi_req->async_result) { //wsgi_req->sendfile_fd_size > 0 ) {
+	if (wsgi_req->sendfile_fd > -1 && wsgi_req->sendfile_obj == wsgi_req->async_result) {	//wsgi_req->sendfile_fd_size > 0 ) {
 		via = msg1;
 	}
 #endif
 
-	time_request = ctime((const time_t *) &wsgi_req->start_of_request.tv_sec);
+	// mark route() requests
+	if (wsgi_req->status == -17) {
+		via = msg3;
+	}
+	else if (wsgi_req->status == -30) {
+		via = msg4;
+	}
+
+#ifdef __sun__
+	ctime_r((const time_t *) &wsgi_req->start_of_request.tv_sec, time_request, 26);
+#else
+	ctime_r((const time_t *) &wsgi_req->start_of_request.tv_sec, time_request);
+#endif
 	microseconds = wsgi_req->end_of_request.tv_sec * 1000000 + wsgi_req->end_of_request.tv_usec;
 	microseconds2 = wsgi_req->start_of_request.tv_sec * 1000000 + wsgi_req->start_of_request.tv_usec;
 
@@ -87,12 +193,9 @@ void log_request(struct wsgi_request *wsgi_req) {
 
 	if (uwsgi.shared->options[UWSGI_OPTION_MEMORY_DEBUG] == 1) {
 #ifndef UNBIT
-		rlen = snprintf(mempkt, 4096, "{address space usage: %lld bytes/%lluMB} {rss usage: %llu bytes/%lluMB} ",
-				(unsigned long long) uwsgi.workers[uwsgi.mywid].vsz_size, (unsigned long long ) uwsgi.workers[uwsgi.mywid].vsz_size / 1024 / 1024,
-				(unsigned long long) uwsgi.workers[uwsgi.mywid].rss_size, (unsigned long long ) uwsgi.workers[uwsgi.mywid].rss_size / 1024 / 1024);
+		rlen = snprintf(mempkt, 4096, "{address space usage: %lld bytes/%lluMB} {rss usage: %llu bytes/%lluMB} ", (unsigned long long) uwsgi.workers[uwsgi.mywid].vsz_size, (unsigned long long) uwsgi.workers[uwsgi.mywid].vsz_size / 1024 / 1024, (unsigned long long) uwsgi.workers[uwsgi.mywid].rss_size, (unsigned long long) uwsgi.workers[uwsgi.mywid].rss_size / 1024 / 1024);
 #else
-		rlen = snprintf(mempkt, 4096, "{address space usage: %lld bytes/%lluMB} ",
-				(unsigned long long) uwsgi.workers[uwsgi.mywid].vsz_size, (unsigned long long) uwsgi.workers[uwsgi.mywid].vsz_size / 1024 / 1024);
+		rlen = snprintf(mempkt, 4096, "{address space usage: %lld bytes/%lluMB} ", (unsigned long long) uwsgi.workers[uwsgi.mywid].vsz_size, (unsigned long long) uwsgi.workers[uwsgi.mywid].vsz_size / 1024 / 1024);
 #endif
 
 		logvec[logvecpos].iov_base = mempkt;
@@ -101,59 +204,40 @@ void log_request(struct wsgi_request *wsgi_req) {
 
 	}
 
-	rlen = snprintf(logpkt, 4096, "[pid: %d|app: %d|req: %d/%llu] %.*s (%.*s) {%d vars in %d bytes} [%.*s] %.*s %.*s => generated %llu bytes in %ld %s%s(%.*s %d) %d headers in %llu bytes (%d switches on core %d)\n",
-			(int) uwsgi.mypid,
-			wsgi_req->app_id,
-			app_req,
-			(unsigned long long ) uwsgi.workers[0].requests,
-			wsgi_req->remote_addr_len, wsgi_req->remote_addr,
-			wsgi_req->remote_user_len, wsgi_req->remote_user,
-			wsgi_req->var_cnt,
-			wsgi_req->uh.pktsize,
-			24, time_request,
-			wsgi_req->method_len, wsgi_req->method,
-			wsgi_req->uri_len, wsgi_req->uri,
-			(unsigned long long) wsgi_req->response_size,
-			rt, tsize,
-			via,
-			wsgi_req->protocol_len, wsgi_req->protocol,
-			wsgi_req->status,
-			wsgi_req->header_cnt,
-			(unsigned long long) wsgi_req->headers_size,
-			wsgi_req->switches, wsgi_req->async_id);
+	rlen = snprintf(logpkt, 4096, "[pid: %d|app: %d|req: %d/%llu] %.*s (%.*s) {%d vars in %d bytes} [%.*s] %.*s %.*s => generated %llu bytes in %ld %s%s(%.*s %d) %d headers in %llu bytes (%d switches on core %d)\n", (int) uwsgi.mypid, wsgi_req->app_id, app_req, (unsigned long long) uwsgi.workers[0].requests, wsgi_req->remote_addr_len, wsgi_req->remote_addr, wsgi_req->remote_user_len, wsgi_req->remote_user, wsgi_req->var_cnt, wsgi_req->uh.pktsize, 24, time_request, wsgi_req->method_len, wsgi_req->method, wsgi_req->uri_len, wsgi_req->uri, (unsigned long long) wsgi_req->response_size, rt, tsize, via, wsgi_req->protocol_len, wsgi_req->protocol, wsgi_req->status, wsgi_req->header_cnt, (unsigned long long) wsgi_req->headers_size, wsgi_req->switches, wsgi_req->async_id);
 
 	logvec[logvecpos].iov_base = logpkt;
 	logvec[logvecpos].iov_len = rlen;
 
 	// do not check for errors
-	rlen = writev(2, logvec, logvecpos+1);
+	rlen = writev(2, logvec, logvecpos + 1);
 }
 
-void get_memusage() {
+void get_memusage(uint64_t * rss, uint64_t * vsz) {
 
 #ifdef UNBIT
-	uwsgi.workers[uwsgi.mywid].vsz_size = syscall(356);
+	*vsz = syscall(356);
 #elif defined(__linux__)
 	FILE *procfile;
 	int i;
 	procfile = fopen("/proc/self/stat", "r");
 	if (procfile) {
-		i = fscanf(procfile, "%*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %llu %lld", (unsigned long long *) &uwsgi.workers[uwsgi.mywid].vsz_size, (unsigned long long *) &uwsgi.workers[uwsgi.mywid].rss_size);
+		i = fscanf(procfile, "%*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %llu %lld", (unsigned long long *) vsz, (unsigned long long *) rss);
 		if (i != 2) {
-			uwsgi_log( "warning: invalid record in /proc/self/stat\n");
+			uwsgi_log("warning: invalid record in /proc/self/stat\n");
 		}
 		fclose(procfile);
 	}
-	uwsgi.workers[uwsgi.mywid].rss_size = uwsgi.workers[uwsgi.mywid].rss_size * uwsgi.page_size;
+	*rss = *rss * uwsgi.page_size;
 #elif defined (__sun__)
 	psinfo_t info;
 	int procfd;
 
 	procfd = open("/proc/self/psinfo", O_RDONLY);
 	if (procfd >= 0) {
-		if ( read(procfd, (char *) &info, sizeof(info)) > 0) {
-			uwsgi.workers[uwsgi.mywid].rss_size = (uint64_t) info.pr_rssize * 1024;
-			uwsgi.workers[uwsgi.mywid].vsz_size = (uint64_t) info.pr_size * 1024;
+		if (read(procfd, (char *) &info, sizeof(info)) > 0) {
+			*rss = (uint64_t) info.pr_rssize * 1024;
+			*vsz = (uint64_t) info.pr_size * 1024;
 		}
 		close(procfd);
 	}
@@ -164,8 +248,8 @@ void get_memusage() {
 	mach_msg_type_number_t t_size = sizeof(struct task_basic_info);
 
 	if (task_info(mach_task_self(), TASK_BASIC_INFO, (task_info_t) & t_info, &t_size) == KERN_SUCCESS) {
-		uwsgi.workers[uwsgi.mywid].rss_size = t_info.resident_size;
-		uwsgi.workers[uwsgi.mywid].vsz_size = t_info.virtual_size;
+		*rss = t_info.resident_size;
+		*vsz = t_info.virtual_size;
 	}
 #elif defined(__FreeBSD__) || defined(__NetBSD__) || defined(__DragonFly__) || defined(__OpenBSD__)
 	kvm_t *kv;
@@ -184,8 +268,15 @@ void get_memusage() {
 		struct kinfo_proc *kproc;
 		kproc = kvm_getprocs(kv, KERN_PROC_PID, uwsgi.mypid, &cnt);
 		if (kproc && cnt > 0) {
-			uwsgi.workers[uwsgi.mywid].vsz_size = kproc->ki_size;
-			uwsgi.workers[uwsgi.mywid].rss_size = kproc->ki_rssize * uwsgi.page_size;
+			*vsz = kproc->ki_size;
+			*rss = kproc->ki_rssize * uwsgi.page_size;
+		}
+#elif defined(UWSGI_NEW_OPENBSD)
+		struct kinfo_proc *kproc; 
+		kproc = kvm_getprocs(kv, KERN_PROC_PID, uwsgi.mypid, sizeof(struct kinfo_proc), &cnt);
+		if (kproc && cnt > 0) { 
+			*vsz = (kproc->p_vm_dsize + kproc->p_vm_ssize + kproc->p_vm_tsize) * uwsgi.page_size;
+			*rss = kproc->p_vm_rssize * uwsgi.page_size;
 		}
 #elif defined(__NetBSD__) || defined(__OpenBSD__)
 		struct kinfo_proc2 *kproc2;
@@ -193,11 +284,11 @@ void get_memusage() {
 		kproc2 = kvm_getproc2(kv, KERN_PROC_PID, uwsgi.mypid, sizeof(struct kinfo_proc2), &cnt);
 		if (kproc2 && cnt > 0) {
 #ifdef __OpenBSD__
-			uwsgi.workers[uwsgi.mywid].vsz_size = (kproc2->p_vm_dsize + kproc2->p_vm_ssize + kproc2->p_vm_tsize) * uwsgi.page_size;
+			*vsz = (kproc2->p_vm_dsize + kproc2->p_vm_ssize + kproc2->p_vm_tsize) * uwsgi.page_size;
 #else
-			uwsgi.workers[uwsgi.mywid].vsz_size = kproc2->p_vm_msize * uwsgi.page_size;
+			*vsz = kproc2->p_vm_msize * uwsgi.page_size;
 #endif
-			uwsgi.workers[uwsgi.mywid].rss_size = kproc2->p_vm_rssize * uwsgi.page_size;
+			*rss = kproc2->p_vm_rssize * uwsgi.page_size;
 		}
 #endif
 
@@ -207,13 +298,58 @@ void get_memusage() {
 	area_info ai;
 	int32 cookie;
 
-	uwsgi.workers[uwsgi.mywid].vsz_size = 0;
-	uwsgi.workers[uwsgi.mywid].rss_size = 0;
-	while(get_next_area_info(0, &cookie, &ai) == B_OK) {
-		uwsgi.workers[uwsgi.mywid].vsz_size += ai.ram_size;
-		if ( (ai.protection & B_WRITE_AREA) != 0) {
-			uwsgi.workers[uwsgi.mywid].rss_size += ai.ram_size;
+	*vsz = 0;
+	*rss = 0;
+	while (get_next_area_info(0, &cookie, &ai) == B_OK) {
+		*vsz += ai.ram_size;
+		if ((ai.protection & B_WRITE_AREA) != 0) {
+			*rss += ai.ram_size;
 		}
 	}
 #endif
+
+}
+
+void uwsgi_register_logger(char *name, ssize_t(*func) (struct uwsgi_logger *, char *, size_t)) {
+
+	struct uwsgi_logger *ul = uwsgi.loggers, *old_ul;
+
+	if (!ul) {
+		uwsgi.loggers = uwsgi_malloc(sizeof(struct uwsgi_logger));
+		ul = uwsgi.loggers;
+	}
+	else {
+		while (ul) {
+			old_ul = ul;
+			ul = ul->next;
+		}
+
+		ul = uwsgi_malloc(sizeof(struct uwsgi_logger));
+		old_ul->next = ul;
+	}
+
+	ul->name = name;
+	ul->func = func;
+	ul->next = NULL;
+	ul->configured = 0;
+	ul->fd = -1;
+	ul->data = NULL;
+
+
+#ifdef UWSGI_DEBUG
+	uwsgi_log("[uwsgi-logger] registered \"%s\"\n", ul->name);
+#endif
+}
+
+struct uwsgi_logger *uwsgi_get_logger(char *name) {
+	struct uwsgi_logger *ul = uwsgi.loggers;
+
+	while (ul) {
+		if (!strcmp(ul->name, name)) {
+			return ul;
+		}
+		ul = ul->next;
+	}
+
+	return NULL;
 }

logic.ini

@@ -0,0 +1,47 @@
+[uwsgi]
+
+for = 4031 14032 4033 14034 24035
+  socket = /tmp/%(_)/uwsgi.sock
+  socket = 192.*:%(_)
+  print = ciao %(_) hello %(_) bye %(_)
+endfor =
+
+
+socket = :4045
+socket = :4046
+socket = :4047
+socket = :4048
+
+
+socket = :4049
+socket = :4050
+socket = :4051
+
+show-config =
+
+if-env = PIPPO
+  print =
+  print = PIPPO e' definita e il suo valore e' %(_) boh
+endif =
+
+socket = :5051
+socket = :5052
+socket = :5053
+socket = :5054
+
+if-exists = /etc/services
+  print = il file %(_) esiste $(PATH)
+endif =
+
+if-exists = /etc/foobar
+  print = il file %(_) esiste $(PATH)
+endif =
+
+socket = :6060
+if-file = /etc/fstab
+  socket = :7171
+endif =
+
+ifdir = /tmp
+  print = %(_) is a directory
+endif=

loop.c

@@ -40,9 +40,9 @@ void *simple_loop(void *arg1) {
 	long core_id = (long) arg1;
 
 	struct wsgi_request *wsgi_req = uwsgi.wsgi_requests[core_id];
-	int i;
 
 #ifdef UWSGI_THREADING
+	int i;
 	//PyThreadState *pts;
 	sigset_t smask;
 
@@ -55,8 +55,11 @@ void *simple_loop(void *arg1) {
 		if (core_id > 0) {
 			// block all signals on new threads
 			sigfillset(&smask);
+#ifdef UWSGI_DEBUG
+			sigdelset(&smask, SIGSEGV);
+#endif
 			pthread_sigmask(SIG_BLOCK, &smask, NULL);
-			for (i = 0; i < 0xFF; i++) {
+			for (i = 0; i < 256; i++) {
 				if (uwsgi.p[i]->init_thread) {
 					uwsgi.p[i]->init_thread(core_id);
 				}
@@ -117,7 +120,6 @@ void *zeromq_loop(void *arg1) {
 	struct wsgi_request *wsgi_req = uwsgi.wsgi_requests[core_id];
 	uwsgi.zeromq_recv_flag = 0;
 	zmq_pollitem_t zmq_poll_items[3];
-	char uwsgi_signal;
 
 	if (uwsgi.threads > 1) {
 
@@ -128,8 +130,11 @@ void *zeromq_loop(void *arg1) {
 		if (core_id > 0) {
 			// block all signals on new threads
 			sigfillset(&smask);
+#ifdef UWSGI_DEBUG
+			sigdelset(&smask, SIGSEGV);
+#endif
 			pthread_sigmask(SIG_BLOCK, &smask, NULL);
-			for (i = 0; i < 0xFF; i++) {
+			for (i = 0; i < 256; i++) {
 				if (uwsgi.p[i]->init_thread) {
 					uwsgi.p[i]->init_thread(core_id);
 				}
@@ -182,38 +187,12 @@ void *zeromq_loop(void *arg1) {
 			}
 
 			if (zmq_poll_items[1].revents & ZMQ_POLLIN) {
-                		if (read(uwsgi.signal_socket, &uwsgi_signal, 1) <= 0) {
-                        		if (uwsgi.no_orphans) {
-                                		uwsgi_log_verbose("uWSGI worker %d screams: UAAAAAAH my master died, i will follow him...\n", uwsgi.mywid);
-                                		end_me(0);
-                        		}
-                		}
-                		else {
-#ifdef UWSGI_DEBUG
-                        		uwsgi_log_verbose("master sent signal %d to worker %d\n", uwsgi_signal, uwsgi.mywid);
-#endif
-                        		if (uwsgi_signal_handler(uwsgi_signal)) {
-                                		uwsgi_log_verbose("error managing signal %d on worker %d\n", uwsgi_signal, uwsgi.mywid);
-                        		}
-                		}
+				uwsgi_receive_signal(uwsgi.signal_socket, "worker", uwsgi.mywid);
 				continue;
 			}
 
 			if (zmq_poll_items[2].revents & ZMQ_POLLIN) {
-                                if (read(uwsgi.my_signal_socket, &uwsgi_signal, 1) <= 0) {
-                                        if (uwsgi.no_orphans) {
-                                                uwsgi_log_verbose("uWSGI worker %d screams: UAAAAAAH my master died, i will follow him...\n", uwsgi.mywid);
-                                                end_me(0);
-                                        }
-                                }
-                                else {
-#ifdef UWSGI_DEBUG
-                                        uwsgi_log_verbose("master sent signal %d to worker %d\n", uwsgi_signal, uwsgi.mywid);
-#endif
-                                        if (uwsgi_signal_handler(uwsgi_signal)) {
-                                                uwsgi_log_verbose("error managing signal %d on worker %d\n", uwsgi_signal, uwsgi.mywid);
-                                        }
-                                }
+				uwsgi_receive_signal(uwsgi.my_signal_socket, "worker", uwsgi.mywid);
                                 continue;
                         }
 

master_utils.c

@@ -2,6 +2,333 @@
 
 extern struct uwsgi_server uwsgi;
 
+void worker_wakeup() {
+}
+
+int uwsgi_calc_cheaper(void) {
+
+	int i;
+	static time_t last_check = 0;
+	int check_interval = uwsgi.shared->options[UWSGI_OPTION_MASTER_INTERVAL];
+
+	if (!last_check) last_check = time(NULL);
+
+	time_t now = time(NULL);
+        if (!check_interval)
+        	check_interval = 1;
+
+	if ( (now - last_check) < check_interval) return 1;
+
+	last_check = now;
+
+	int needed_workers = uwsgi.cheaper_algo();
+
+	if (needed_workers > 0) {
+		for (i = 1; i <= uwsgi.numproc; i++) {
+			if (uwsgi.workers[i].cheaped == 1 && uwsgi.workers[i].pid == 0) {
+				if (uwsgi_respawn_worker(i))
+					return 0;
+				needed_workers--;
+			}
+			if (needed_workers == 0)
+				break;
+		}
+	}
+	else if (needed_workers < 0) {
+		int oldest_worker = 0;
+		time_t oldest_worker_spawn = INT_MAX;
+		for (i = 1; i <= uwsgi.numproc; i++) {
+			if (uwsgi.workers[i].cheaped == 0 && uwsgi.workers[i].pid > 0) {
+				if (uwsgi.workers[i].last_spawn < oldest_worker_spawn) {
+					oldest_worker_spawn = uwsgi.workers[i].last_spawn;
+					oldest_worker = i;
+				}
+			}
+		}
+		if (oldest_worker > 0) {
+#ifdef UWSGI_DEBUG
+			uwsgi_log("worker %d should die...\n", oldest_worker);
+#endif
+			uwsgi.workers[oldest_worker].cheaped = 1;
+			uwsgi.workers[oldest_worker].manage_next_request = 0;
+			// wakeup task in case of wait
+			(void) kill(uwsgi.workers[oldest_worker].pid, SIGWINCH);
+		}
+	}
+
+	return 1;
+}
+
+/*
+
+        -- Cheaper, spare algorithm, adapted from old-fashioned spare system --
+        
+        when all of the workers are busy, the overload_count is incremented.
+        as soon as overload_count is higher than uwsgi.cheaper_overload (--cheaper-overload options)
+        at most cheaper_step (default to 1) new workers are spawned.
+
+        when at least one worker is free, the overload_count is decremented and the idle_count is incremented.
+        If overload_count reaches 0, the system will count active workers (the ones uncheaped) and busy workers (the ones running a request)
+	if there is exacly 1 free worker we are in "stable state" (1 spare worker available). no worker will be touched.
+	if the number of active workers is higher than uwsgi.cheaper_count and at least uwsgi.cheaper_overload cycles are passed from the last
+        "cheap it" procedure, then cheap a worker.
+
+        Example:
+            10 processes
+            2 cheaper
+            2 cheaper step
+            3 cheaper_overload 
+            1 second master cycle
+    
+            there are 7 workers running (triggered by some kind of spike activity).
+	    Of this, 6 are busy, 1 is free. We are in stable state.
+            After a bit the spike disappear and idle_count start to increase.
+
+	    After 3 seconds (uwsgi.cheaper_overload cycles) the oldest worker will be cheaped. This will happens
+	    every  seconds (uwsgi.cheaper_overload cycles) til the number of workers is == uwsgi.cheaper_count.
+
+	    If during the "cheap them all" procedure, an overload condition come again (another spike) the "cheap them all"
+            will be interrupted.
+
+
+*/
+
+
+int uwsgi_cheaper_algo_spare(void) {
+
+	int i;
+	static uint64_t overload_count = 0;
+	static uint64_t idle_count = 0;
+
+	// step 1 -> count the number of busy workers
+	for (i = 1; i <= uwsgi.numproc; i++) {
+		if (uwsgi.workers[i].cheaped == 0 && uwsgi.workers[i].pid > 0) {
+			// if a non-busy worker is found, the overload_count is decremented and stop the cycle
+			if (uwsgi.workers[i].busy == 0) {
+				if (overload_count > 0)
+					overload_count--;
+				goto healthy;
+			}
+		}
+	}
+
+	overload_count++;
+	idle_count = 0;
+
+      healthy:
+
+	// are we overloaded ?
+	if (overload_count > uwsgi.cheaper_overload) {
+
+#ifdef UWSGI_DEBUG
+		uwsgi_log("overloaded !!!\n");
+#endif
+
+		// activate the first available worker (taking step into account)
+		int decheaped = 0;
+		// search for cheaped workers
+		for (i = 1; i <= uwsgi.numproc; i++) {
+			if (uwsgi.workers[i].cheaped == 1 && uwsgi.workers[i].pid == 0) {
+				decheaped++;
+				if (decheaped >= uwsgi.cheaper_step)
+					break;
+			}
+		}
+		// reset overload
+		overload_count = 0;
+		// return the maximum number of workers to spawn
+		return decheaped;
+	}
+	// we are no more overloaded
+	else if (overload_count == 0) {
+		// how many active workers ?
+		int active_workers = 0;
+		int busy_workers = 0;
+		for (i = 1; i <= uwsgi.numproc; i++) {
+			if (uwsgi.workers[i].cheaped == 0 && uwsgi.workers[i].pid > 0) {
+				active_workers++;
+				if (uwsgi.workers[i].busy == 1)
+					busy_workers++;
+			}
+		}
+
+#ifdef UWSGI_DEBUG
+		uwsgi_log("active workers %d busy_workers %d\n", active_workers, busy_workers);
+#endif
+
+		// special condition: uwsgi.cheaper running workers and 1 free
+		if (active_workers > busy_workers && active_workers - busy_workers == 1) {
+#ifdef UWSGI_DEBUG
+			uwsgi_log("stable status: 1 spare worker\n");
+#endif
+			return 0;
+		}
+
+		idle_count++;
+
+		if (active_workers > uwsgi.cheaper_count && idle_count % uwsgi.cheaper_overload == 0) {
+			// we are in "cheap them all"
+			return -1;
+		}
+	}
+
+	return 0;
+
+}
+
+
+/*
+
+	-- Cheaper,  backlog algorithm (supported only on Linux) --
+
+        increse the number of workers when the listen queue is higher than uwsgi.cheaper_overload.
+	Decrese when lower.
+
+*/
+
+int uwsgi_cheaper_algo_backlog(void) {
+
+	int i;
+#ifdef __linux__
+	int backlog = uwsgi.shared->options[UWSGI_OPTION_BACKLOG_STATUS];
+#else
+	int backlog = 0;
+#endif
+
+	if (backlog > (int)uwsgi.cheaper_overload) {
+		// activate the first available worker (taking step into account)
+                int decheaped = 0;
+                // search for cheaped workers
+                for (i = 1; i <= uwsgi.numproc; i++) {
+                        if (uwsgi.workers[i].cheaped == 1 && uwsgi.workers[i].pid == 0) {
+                                decheaped++;
+                                if (decheaped >= uwsgi.cheaper_step)
+                                        break;
+                        }
+                }
+                // return the maximum number of workers to spawn
+                return decheaped;
+
+	}
+	else if (backlog < (int) uwsgi.cheaper_overload) {
+		int active_workers = 0;
+		for (i = 1; i <= uwsgi.numproc; i++) {
+			if (uwsgi.workers[i].cheaped == 0 && uwsgi.workers[i].pid > 0) {
+				active_workers++;
+			}
+		}
+
+		if (active_workers > uwsgi.cheaper_count) {
+			return -1;
+		}
+	}
+	
+	return 0;
+}
+
+
+// reload uWSGI, close unneded file descriptor, restore the original environment and re-exec the binary
+
+void uwsgi_reload(char **argv) {
+	int i;
+	int waitpid_status;
+
+	// call a series of waitpid to ensure all processes (gateways, mules and daemons) are dead
+	for (i = 0; i < (ushared->gateways_cnt + uwsgi.daemons_cnt + uwsgi.mules_cnt); i++) {
+		waitpid(WAIT_ANY, &waitpid_status, WNOHANG);
+	}
+
+	if (uwsgi.exit_on_reload) {
+		uwsgi_log("uWSGI: GAME OVER (insert coin)\n");
+		exit(0);
+	}
+
+	uwsgi_log("binary reloading uWSGI...\n");
+	uwsgi_log("chdir() to %s\n", uwsgi.cwd);
+	if (chdir(uwsgi.cwd)) {
+		uwsgi_error("chdir()");
+	}
+
+	/* check fd table (a module can obviosly open some fd on initialization...) */
+	uwsgi_log("closing all non-uwsgi socket fds > 2 (max_fd = %d)...\n", (int)uwsgi.max_fd);
+	for (i = 3; i < (int)uwsgi.max_fd; i++) {
+		int found = 0;
+
+		struct uwsgi_socket *uwsgi_sock = uwsgi.sockets;
+		while (uwsgi_sock) {
+			if (i == uwsgi_sock->fd) {
+				uwsgi_log("found fd %d mapped to socket %d (%s)\n", i, uwsgi_get_socket_num(uwsgi_sock), uwsgi_sock->name);
+				found = 1;
+				break;
+			}
+			uwsgi_sock = uwsgi_sock->next;
+		}
+
+		if (!found) {
+			if (uwsgi.has_emperor) {
+				if (i == uwsgi.emperor_fd) {
+					found = 1;
+				}
+			}
+		}
+
+		if (uwsgi.log_master) {
+			if (uwsgi.original_log_fd > -1) {
+				if (i == uwsgi.original_log_fd) {
+					found = 1;
+				}
+			}
+
+			if (uwsgi.shared->worker_log_pipe[0] > -1) {
+				if (i == uwsgi.shared->worker_log_pipe[0]) {
+					found = 1;
+				}
+			}
+
+			if (uwsgi.shared->worker_log_pipe[1] > -1) {
+				if (i == uwsgi.shared->worker_log_pipe[1]) {
+					found = 1;
+				}
+			}
+			
+		}
+
+		if (!found) {
+#ifdef __APPLE__
+			fcntl(i, F_SETFD, FD_CLOEXEC);
+#else
+			close(i);
+#endif
+		}
+	}
+
+#ifdef UWSGI_AS_SHARED_LIBRARY
+	return;
+#else
+	uwsgi_log("running %s\n", uwsgi.binary_path);
+	uwsgi_flush_logs();
+	argv[0] = uwsgi.binary_path;
+	//strcpy (argv[0], uwsgi.binary_path);
+	if (uwsgi.log_master) {
+		if (uwsgi.original_log_fd > -1) {
+			dup2(uwsgi.original_log_fd, 1);
+			dup2(1, 2);
+		}
+		if (uwsgi.shared->worker_log_pipe[0] > -1) {
+			close(uwsgi.shared->worker_log_pipe[0]);
+		}
+		if (uwsgi.shared->worker_log_pipe[1] > -1) {
+			close(uwsgi.shared->worker_log_pipe[1]);
+		}
+	}
+	execvp(uwsgi.binary_path, argv);
+	uwsgi_error("execvp()");
+	// never here
+	exit(1);
+#endif
+
+}
+
 void master_check_cluster_nodes() {
 
 	int i;
@@ -31,71 +358,152 @@ void master_check_cluster_nodes() {
 	}
 }
 
+void uwsgi_fixup_fds(int wid, int muleid, struct uwsgi_gateway *ug) {
+
+	int i;
+
+	// close the cache server
+	if (uwsgi.cache_server_fd != -1) {
+		close(uwsgi.cache_server_fd);
+	}
+
+	if (uwsgi.master_process) {
+		if (uwsgi.master_queue > -1)
+			close(uwsgi.master_queue);
+		// close gateways
+		if (!ug) {
+			for (i = 0; i < ushared->gateways_cnt; i++) {
+				close(ushared->gateways[i].internal_subscription_pipe[0]);
+				close(ushared->gateways[i].internal_subscription_pipe[1]);
+			}
+		}
+		struct uwsgi_gateway_socket *ugs = uwsgi.gateway_sockets;
+		while (ugs) {
+			if (ug && !strcmp(ug->name, ugs->owner)) {
+				ugs = ugs->next;
+				continue;
+			}
+			// do not close shared sockets !!!
+			if (!ugs->shared) {
+				close(ugs->fd);
+			}
+			ugs = ugs->next;
+		}
+		// fix the communication pipe
+		close(uwsgi.shared->worker_signal_pipe[0]);
+		for (i = 1; i <= uwsgi.numproc; i++) {
+			if (uwsgi.workers[i].signal_pipe[0] != -1)
+				close(uwsgi.workers[i].signal_pipe[0]);
+			if (i != wid) {
+				if (uwsgi.workers[i].signal_pipe[1] != -1)
+					close(uwsgi.workers[i].signal_pipe[1]);
+			}
+		}
+#ifdef UWSGI_SPOOLER
+		if (uwsgi.i_am_a_spooler && uwsgi.i_am_a_spooler->pid != getpid()) {
+			if (uwsgi.shared->spooler_signal_pipe[0] != -1)
+				close(uwsgi.shared->spooler_signal_pipe[0]);
+			if (uwsgi.shared->spooler_signal_pipe[1] != -1)
+				close(uwsgi.shared->spooler_signal_pipe[1]);
+		}
+#endif
+
+		if (uwsgi.shared->mule_signal_pipe[0] != -1)
+			close(uwsgi.shared->mule_signal_pipe[0]);
+
+		if (muleid == 0) {
+			if (uwsgi.shared->mule_signal_pipe[1] != -1)
+				close(uwsgi.shared->mule_signal_pipe[1]);
+			if (uwsgi.shared->mule_queue_pipe[1] != -1)
+				close(uwsgi.shared->mule_queue_pipe[1]);
+		}
+
+		for (i = 0; i < uwsgi.mules_cnt; i++) {
+			if (uwsgi.mules[i].signal_pipe[0] != -1)
+				close(uwsgi.mules[i].signal_pipe[0]);
+			if (muleid != i + 1) {
+				if (uwsgi.mules[i].signal_pipe[1] != -1)
+					close(uwsgi.mules[i].signal_pipe[1]);
+				if (uwsgi.mules[i].queue_pipe[1] != -1)
+					close(uwsgi.mules[i].queue_pipe[1]);
+			}
+		}
+
+		for (i = 0; i < uwsgi.farms_cnt; i++) {
+			if (uwsgi.farms[i].signal_pipe[0] != -1)
+				close(uwsgi.farms[i].signal_pipe[0]);
+
+			if (muleid == 0) {
+				if (uwsgi.farms[i].signal_pipe[1] != -1)
+					close(uwsgi.farms[i].signal_pipe[1]);
+				if (uwsgi.farms[i].queue_pipe[1] != -1)
+					close(uwsgi.farms[i].queue_pipe[1]);
+			}
+		}
+
+	}
+
+
+}
 
 int uwsgi_respawn_worker(int wid) {
 
 	int respawns = uwsgi.workers[wid].respawn_count;
 	int i;
 
-	if (uwsgi.master_process) {
-		if (uwsgi.signal_pipe[wid][0] != -1) close(uwsgi.signal_pipe[wid][0]);
-
-		if (socketpair(AF_UNIX, SOCK_STREAM, 0, uwsgi.signal_pipe[wid])) {
-        		uwsgi_error("socketpair()\n");
-		}
+	if (uwsgi.threaded_logger) {
+		pthread_mutex_lock(&uwsgi.threaded_logger_lock);
 	}
 
-
-	pid_t pid = fork();
+	pid_t pid = uwsgi_fork(uwsgi.workers[wid].name);
 
 	if (pid == 0) {
+		signal(SIGWINCH, worker_wakeup);
+		signal(SIGTSTP, worker_wakeup);
 		uwsgi.mywid = wid;
 		uwsgi.mypid = getpid();
 		uwsgi.workers[uwsgi.mywid].pid = uwsgi.mypid;
 		uwsgi.workers[uwsgi.mywid].id = uwsgi.mywid;
 		uwsgi.workers[uwsgi.mywid].harakiri = 0;
-		uwsgi.workers[uwsgi.mywid].requests = 0;
-		uwsgi.workers[uwsgi.mywid].failed_requests = 0;
+
+		uwsgi.workers[uwsgi.mywid].rss_size = 0;
+		uwsgi.workers[uwsgi.mywid].vsz_size = 0;
+		// do not reset worker counters on reload !!!
+		//uwsgi.workers[uwsgi.mywid].requests = 0;
+		// ...but maintain a delta counter (yes this is racy in multithread)
+		uwsgi.workers[uwsgi.mywid].delta_requests = 0;
+		//uwsgi.workers[uwsgi.mywid].failed_requests = 0;
 		uwsgi.workers[uwsgi.mywid].respawn_count++;
 		uwsgi.workers[uwsgi.mywid].last_spawn = uwsgi.current_time;
 		uwsgi.workers[uwsgi.mywid].manage_next_request = 1;
+		uwsgi.workers[uwsgi.mywid].cheaped = 0;
+		uwsgi.workers[uwsgi.mywid].busy = 0;
+		uwsgi.workers[uwsgi.mywid].suspended = 0;
+		uwsgi.workers[uwsgi.mywid].sig = 0;
 
-		// close the cache server
-		if (uwsgi.cache_server_fd != -1) {
-			close(uwsgi.cache_server_fd);
-		}
+		// reset the apps count with a copy from the master 
+		uwsgi.workers[uwsgi.mywid].apps_cnt = uwsgi.workers[0].apps_cnt;
+
+		uwsgi_fixup_fds(wid, 0, NULL);
+
+		uwsgi.my_signal_socket = uwsgi.workers[wid].signal_pipe[1];
 
 		if (uwsgi.master_process) {
-			// fix the communication pipe
-			close(uwsgi.shared->worker_signal_pipe[0]);
-			for(i=1;i<=uwsgi.numproc;i++) {
-				if (uwsgi.signal_pipe[i][0] != -1) {
-					close(uwsgi.signal_pipe[i][0]);
+			if ((uwsgi.workers[uwsgi.mywid].respawn_count || uwsgi.cheap)) {
+				for (i = 0; i < 256; i++) {
+					if (uwsgi.p[i]->master_fixup) {
+						uwsgi.p[i]->master_fixup(1);
+					}
 				}
 			}
-			uwsgi.my_signal_socket = uwsgi.signal_pipe[wid][1];
-#ifdef UWSGI_SPOOLER
-        		if (uwsgi.spool_dir && uwsgi.shared->spooler_pid > 0) {
-				if (uwsgi.shared->spooler_signal_pipe[0] != -1) close (uwsgi.shared->spooler_signal_pipe[0]);
-			}
-#endif
-			if ((uwsgi.workers[uwsgi.mywid].respawn_count || uwsgi.cheap)) {
-				for (i = 0; i < 0xFF; i++) {
-                			if (uwsgi.p[i]->master_fixup) {
-                        			uwsgi.p[i]->master_fixup(1);
-                			}
-        			}
-			}
 		}
+
 		return 1;
 	}
 	else if (pid < 1) {
 		uwsgi_error("fork()");
 	}
 	else {
-		if (uwsgi.master_process) {
-			close(uwsgi.signal_pipe[wid][1]);
-		}
 		if (respawns > 0) {
 			uwsgi_log("Respawned uWSGI worker %d (new pid: %d)\n", wid, (int) pid);
 		}
@@ -104,6 +512,11 @@ int uwsgi_respawn_worker(int wid) {
 		}
 	}
 
+	if (uwsgi.threaded_logger) {
+		pthread_mutex_unlock(&uwsgi.threaded_logger_lock);
+	}
+
+
 	return 0;
 }
 
@@ -113,8 +526,7 @@ void uwsgi_manage_signal_cron(time_t now) {
 	struct tm *uwsgi_cron_delta;
 	int i;
 
-	uwsgi.current_time = now;
-	uwsgi_cron_delta = localtime(&uwsgi.current_time);
+	uwsgi_cron_delta = localtime(&now);
 
 	if (uwsgi_cron_delta) {
 
@@ -133,42 +545,52 @@ void uwsgi_manage_signal_cron(time_t now) {
 			uc_month = ucron->month;
 			uc_week = ucron->week;
 
-			if (ucron->minute == -1)
-				uc_minute = uwsgi_cron_delta->tm_min;
-			if (ucron->hour == -1)
-				uc_hour = uwsgi_cron_delta->tm_hour;
-			if (ucron->month == -1)
-				uc_month = uwsgi_cron_delta->tm_mon;
-
-			// mday and wday are ORed
-			if (ucron->day == -1 && ucron->week == -1) {
-				if (ucron->day == -1)
+			// negative values as interval -1 = * , -5 = */5
+			if (ucron->minute < 0) {
+				if ((uwsgi_cron_delta->tm_min % abs(ucron->minute)) == 0) {
+					uc_minute = uwsgi_cron_delta->tm_min;
+				}
+			}
+			if (ucron->hour < 0) {
+				if ((uwsgi_cron_delta->tm_hour % abs(ucron->hour)) == 0) {
+					uc_hour = uwsgi_cron_delta->tm_hour;
+				}
+			}
+			if (ucron->month < 0) {
+				if ((uwsgi_cron_delta->tm_mon % abs(ucron->month)) == 0) {
+					uc_month = uwsgi_cron_delta->tm_mon;
+				}
+			}
+			if (ucron->day < 0) {
+				if ((uwsgi_cron_delta->tm_mday % abs(ucron->day)) == 0) {
 					uc_day = uwsgi_cron_delta->tm_mday;
-				if (ucron->week == -1)
+				}
+			}
+			if (ucron->week < 0) {
+				if ((uwsgi_cron_delta->tm_wday % abs(ucron->week)) == 0) {	
 					uc_week = uwsgi_cron_delta->tm_wday;
+				}
 			}
-			else if (ucron->day == -1) {
-				ucron->day = uwsgi_cron_delta->tm_mday;
-			}
-			else if (ucron->week == -1) {
-				ucron->week = uwsgi_cron_delta->tm_wday;
+
+			int run_task = 0;
+			// mday and wday are ORed
+			if (ucron->day >= 0 && ucron->week >= 0) {
+				if (uwsgi_cron_delta->tm_min == uc_minute && uwsgi_cron_delta->tm_hour == uc_hour && uwsgi_cron_delta->tm_mon == uc_month && (uwsgi_cron_delta->tm_mday == uc_day || uwsgi_cron_delta->tm_wday == uc_week)) {
+					run_task = 1;
+				}
 			}
 			else {
-				if (ucron->day == uwsgi_cron_delta->tm_mday) {
-					ucron->week = uwsgi_cron_delta->tm_wday;
-				}
-				else if (ucron->week == uwsgi_cron_delta->tm_wday) {
-					ucron->day = uwsgi_cron_delta->tm_mday;
+				if (uwsgi_cron_delta->tm_min == uc_minute && uwsgi_cron_delta->tm_hour == uc_hour && uwsgi_cron_delta->tm_mon == uc_month && uwsgi_cron_delta->tm_mday == uc_day && uwsgi_cron_delta->tm_wday == uc_week) {
+					run_task = 1;
 				}
 			}
 
-			if (uwsgi_cron_delta->tm_min == uc_minute && uwsgi_cron_delta->tm_hour == uc_hour && uwsgi_cron_delta->tm_mon == uc_month && uwsgi_cron_delta->tm_mday == uc_day && uwsgi_cron_delta->tm_wday == uc_week) {
-
 
+			if (run_task == 1) {
 				// date match, signal it ?
-				if (uwsgi.current_time - ucron->last_job > 60) {
+				if (now - ucron->last_job > 60) {
 					uwsgi_route_signal(ucron->sig);
-					ucron->last_job = uwsgi.current_time;
+					ucron->last_job = now;
 				}
 			}
 
@@ -188,8 +610,7 @@ void uwsgi_manage_command_cron(time_t now) {
 	struct uwsgi_cron *current_cron = uwsgi.crons;
 	int uc_minute, uc_hour, uc_day, uc_month, uc_week;
 
-	uwsgi.current_time = now;
-	uwsgi_cron_delta = localtime(&uwsgi.current_time);
+	uwsgi_cron_delta = localtime(&now);
 
 
 	if (!uwsgi_cron_delta) {
@@ -197,8 +618,10 @@ void uwsgi_manage_command_cron(time_t now) {
 		return;
 	}
 
-	while (current_cron) {
+	// fix month
+	uwsgi_cron_delta->tm_mon++;
 
+	while (current_cron) {
 
 		uc_minute = current_cron->minute;
 		uc_hour = current_cron->hour;
@@ -206,47 +629,58 @@ void uwsgi_manage_command_cron(time_t now) {
 		uc_month = current_cron->month;
 		uc_week = current_cron->week;
 
-		if (current_cron->minute == -1)
-			uc_minute = uwsgi_cron_delta->tm_min;
-		if (current_cron->hour == -1)
-			uc_hour = uwsgi_cron_delta->tm_hour;
-		if (current_cron->month == -1)
-			uc_month = uwsgi_cron_delta->tm_mon;
-
-		// mday and wday are ORed
-		if (current_cron->day == -1 && current_cron->week == -1) {
-			if (current_cron->day == -1)
+		// negative values as interval -1 = * , -5 = */5
+		if (current_cron->minute < 0) {
+			if ((uwsgi_cron_delta->tm_min % abs(current_cron->minute)) == 0) {
+				uc_minute = uwsgi_cron_delta->tm_min;
+			}
+		}
+		if (current_cron->hour < 0) {
+			if ((uwsgi_cron_delta->tm_hour % abs(current_cron->hour)) == 0) {
+				uc_hour = uwsgi_cron_delta->tm_hour;
+			}
+		}
+		if (current_cron->month < 0) {
+			if ((uwsgi_cron_delta->tm_hour % abs(current_cron->month)) == 0) {
+				uc_month = uwsgi_cron_delta->tm_mon;
+			}
+		}
+		if (current_cron->day < 0) {
+			if ((uwsgi_cron_delta->tm_mday % abs(current_cron->day)) == 0) {
 				uc_day = uwsgi_cron_delta->tm_mday;
-			if (current_cron->week == -1)
+			}
+		}
+		if (current_cron->week < 0) {
+			if ((uwsgi_cron_delta->tm_wday % abs(current_cron->week)) == 0) {
 				uc_week = uwsgi_cron_delta->tm_wday;
+			}
 		}
-		else if (current_cron->day == -1) {
-			current_cron->day = uwsgi_cron_delta->tm_mday;
-		}
-		else if (current_cron->week == -1) {
-			current_cron->week = uwsgi_cron_delta->tm_wday;
+
+		int run_task = 0;
+		// mday and wday are ORed
+		if (current_cron->day >= 0 && current_cron->week >= 0) {
+			if (uwsgi_cron_delta->tm_min == uc_minute && uwsgi_cron_delta->tm_hour == uc_hour && uwsgi_cron_delta->tm_mon == uc_month && (uwsgi_cron_delta->tm_mday == uc_day || uwsgi_cron_delta->tm_wday == uc_week)) {
+				run_task = 1;
+			}
 		}
 		else {
-			if (current_cron->day == uwsgi_cron_delta->tm_mday) {
-				current_cron->week = uwsgi_cron_delta->tm_wday;
-			}
-			else if (current_cron->week == uwsgi_cron_delta->tm_wday) {
-				current_cron->day = uwsgi_cron_delta->tm_mday;
+			if (uwsgi_cron_delta->tm_min == uc_minute && uwsgi_cron_delta->tm_hour == uc_hour && uwsgi_cron_delta->tm_mon == uc_month && uwsgi_cron_delta->tm_mday == uc_day && uwsgi_cron_delta->tm_wday == uc_week) {
+				run_task = 1;
 			}
 		}
 
-		if (uwsgi_cron_delta->tm_min == uc_minute && uwsgi_cron_delta->tm_hour == uc_hour && uwsgi_cron_delta->tm_mon == uc_month && uwsgi_cron_delta->tm_mday == uc_day && uwsgi_cron_delta->tm_wday == uc_week) {
 
+		if (run_task == 1) {
 
 			// date match, run command ?
-			if (uwsgi.current_time - current_cron->last_job > 60) {
+			if (now - current_cron->last_job > 60) {
 				//call command
 				if (current_cron->command) {
-					if (uwsgi_run_command(current_cron->command) >=0) {
+					if (uwsgi_run_command(current_cron->command, NULL, -1) >= 0) {
 						uwsgi_log_verbose("[uWSGI-cron] running %s\n", current_cron->command);
 					}
 				}
-				current_cron->last_job = uwsgi.current_time;
+				current_cron->last_job = now;
 			}
 		}
 
@@ -257,3 +691,187 @@ void uwsgi_manage_command_cron(time_t now) {
 
 
 }
+
+#define stats_send_llu(x, y) fprintf(output, x, (long long unsigned int) y)
+#define stats_send(x, y) fprintf(output, x, y)
+
+void uwsgi_send_stats(int fd) {
+
+	int i, j;
+	struct sockaddr_un client_src;
+	struct uwsgi_app *ua;
+	socklen_t client_src_len = 0;
+	int client_fd = accept(fd, (struct sockaddr *) &client_src, &client_src_len);
+	if (client_fd < 0) {
+		uwsgi_error("accept()");
+		return;
+	}
+
+	FILE *output = fdopen(client_fd, "w");
+	if (!output) {
+		uwsgi_error("fdopen()");
+		close(client_fd);
+		return;
+	}
+
+	stats_send("{ \"version\": \"%s\",\n", UWSGI_VERSION);
+
+#ifdef __linux__
+	stats_send_llu("\"listen_queue\": %llu,\n", (unsigned long long) uwsgi.shared->options[UWSGI_OPTION_BACKLOG_STATUS]);
+	stats_send_llu("\"listen_queue_errors\": %llu,\n", (unsigned long long) uwsgi.shared->options[UWSGI_OPTION_BACKLOG_ERRORS]);
+#endif
+
+	stats_send_llu("\"load\": %llu,\n", uwsgi.shared->load);
+
+	fprintf(output, "\"pid\": %d,\n", (int) (getpid()));
+	fprintf(output, "\"uid\": %d,\n", (int) (getuid()));
+	fprintf(output, "\"gid\": %d,\n", (int) (getgid()));
+
+	char *cwd = uwsgi_get_cwd();
+	stats_send("\"cwd\": \"%s\",\n", cwd);
+	free(cwd);
+
+	if (uwsgi.daemons) {
+		fprintf(output, "\"daemons\": [\n");
+		struct uwsgi_daemon *ud = uwsgi.daemons;
+		while (ud) {
+			fprintf(output, "\t{ \"cmd\": \"%s\", \"pid\": %d, \"respawns\": %llu }", ud->command, (int) ud->pid, (unsigned long long) ud->respawns - 1);
+			if (ud->next)
+				fprintf(output, ",\n");
+			else {
+				fprintf(output, "\n");
+			}
+			ud = ud->next;
+		}
+		fprintf(output, "],\n");
+	}
+
+	fprintf(output, "\"locks\": [\n");
+
+	struct uwsgi_lock_item *uli = uwsgi.registered_locks;
+	while (uli) {
+		if (uli->next) {
+			fprintf(output, "\t{ \"%s\": %d },\n", uli->id, (int) uli->pid);
+		}
+		else {
+			fprintf(output, "\t{ \"%s\": %d }\n", uli->id, (int) uli->pid);
+		}
+		uli = uli->next;
+	}
+
+	fprintf(output, "],\n");
+
+	fprintf(output, "\"workers\": [\n");
+
+	for (i = 0; i < uwsgi.numproc; i++) {
+		fprintf(output, "\t{");
+
+		fprintf(output, "\"id\": %d, ", uwsgi.workers[i + 1].id);
+		fprintf(output, "\"pid\": %d, ", (int) uwsgi.workers[i + 1].pid);
+		stats_send_llu("\"requests\": %llu, ", uwsgi.workers[i + 1].requests);
+		stats_send_llu("\"delta_requests\": %llu, ", uwsgi.workers[i + 1].delta_requests);
+		stats_send_llu("\"exceptions\": %llu, ", uwsgi.workers[i + 1].exceptions);
+		stats_send_llu("\"signals\": %llu, ", uwsgi.workers[i + 1].signals);
+		stats_send_llu("\"static_offload_threads\": %llu, ", uwsgi.workers[i + 1].static_offload_threads);
+
+		if (uwsgi.workers[i + 1].cheaped) {
+			fprintf(output, "\"status\": \"cheap\", ");
+		}
+		else if (uwsgi.workers[i + 1].suspended && !uwsgi.workers[i + 1].busy) {
+			fprintf(output, "\"status\": \"pause\", ");
+		}
+		else {
+			if (uwsgi.workers[i + 1].sig) {
+				fprintf(output, "\"status\": \"sig%d\", ", uwsgi.workers[i + 1].signum);
+			}
+			else if (uwsgi.workers[i + 1].busy) {
+				fprintf(output, "\"status\": \"busy\", ");
+			}
+			else {
+				fprintf(output, "\"status\": \"idle\", ");
+			}
+		}
+
+		stats_send_llu("\"rss\": %llu, ", uwsgi.workers[i + 1].rss_size);
+		stats_send_llu("\"vsz\": %llu, ", uwsgi.workers[i + 1].vsz_size);
+
+		stats_send_llu("\"running_time\": %llu, ", uwsgi.workers[i + 1].running_time);
+		stats_send_llu("\"last_spawn\": %llu, ", uwsgi.workers[i + 1].last_spawn);
+		stats_send_llu("\"respawn_count\": %llu, ", uwsgi.workers[i + 1].respawn_count);
+		stats_send_llu("\"tx\": %llu, ", uwsgi.workers[i + 1].tx);
+		stats_send_llu("\"avg_rt\": %llu, ", uwsgi.workers[i + 1].avg_response_time);
+
+		fprintf(output, "\"apps\": [\n");
+
+		for (j = 0; j < uwsgi.workers[i + 1].apps_cnt; j++) {
+			ua = &uwsgi.workers[i + 1].apps[j];
+			fprintf(output, "\t\t{ ");
+
+			fprintf(output, "\"id\": %d, ", j);
+			fprintf(output, "\"modifier1\": %d, ", ua->modifier1);
+			fprintf(output, "\"mountpoint\": \"%.*s\", ", ua->mountpoint_len, ua->mountpoint);
+
+
+			stats_send_llu("\"startup_time\": %llu, ", ua->startup_time);
+
+			stats_send_llu("\"requests\": %llu, ", ua->requests);
+			stats_send_llu("\"exceptions\": %llu, ", ua->exceptions);
+
+			if (ua->chdir) {
+				fprintf(output, "\"chdir\": \"%s\", ", ua->chdir);
+			}
+			else {
+				fprintf(output, "\"chdir\": \"\" ");
+			}
+
+			if (j == uwsgi.workers[i + 1].apps_cnt - 1) {
+				fprintf(output, "}\n");
+			}
+			else {
+				fprintf(output, "},\n");
+			}
+		}
+
+		fprintf(output, "\t\t]");
+
+		if (i == uwsgi.numproc - 1) {
+			fprintf(output, "}\n");
+		}
+		else {
+			fprintf(output, "},\n");
+		}
+	}
+
+	fprintf(output, "]}\n");
+	fclose(output);
+}
+
+void uwsgi_register_cheaper_algo(char *name, int(*func) (void)) {
+
+        struct uwsgi_cheaper_algo *uca = uwsgi.cheaper_algos;
+
+        if (!uca) {
+                uwsgi.cheaper_algos = uwsgi_malloc(sizeof(struct uwsgi_cheaper_algo));
+                uca = uwsgi.cheaper_algos;
+        }
+        else {
+                while (uca) {
+			if (!uca->next) {
+				uca->next = uwsgi_malloc(sizeof(struct uwsgi_cheaper_algo));
+				uca = uca->next;	
+				break;
+			}
+                        uca = uca->next;
+                }
+
+        }
+
+        uca->name = name;
+        uca->func = func;
+        uca->next = NULL;
+
+#ifdef UWSGI_DEBUG
+        uwsgi_log("[uwsgi-cheaper-algo] registered \"%s\"\n", uca->name);
+#endif
+}
+

mega.xml

@@ -19,4 +19,8 @@
 		<module>trac.web.main:dispatch_request</module>
 	</uwsgi>
 
+	<uwsgi>
+		<socket>:3031</socket>
+	</uwsgi>
+
 </unbit>

mule.c

@@ -0,0 +1,379 @@
+/*
+
+uWSGI mules are very simple workers only managing signals or running custom code in background.
+
+By default they born in signal-only mode, but if you patch them (passing the script/code to run) they will became fully customized daemons.
+
+*/
+
+#include "uwsgi.h"
+
+extern struct uwsgi_server uwsgi;
+
+void uwsgi_mule_handler(void);
+
+void mule_send_msg(int fd, char *message, size_t len) {
+
+	socklen_t so_bufsize_len = sizeof(int);
+	int so_bufsize = 0;
+
+	if (write(fd, message, len) != (ssize_t) len) {
+		if (errno == EAGAIN || errno == EWOULDBLOCK) {
+                        if (getsockopt(fd, SOL_SOCKET, SO_SNDBUF, &so_bufsize, &so_bufsize_len)) {
+                                uwsgi_error("getsockopt()");
+                        }
+                        uwsgi_log("*** MULE MSG QUEUE IS FULL: buffer size %d bytes (you can tune it with --signal-bufsize) ***\n", so_bufsize);
+                }
+                else {
+                        uwsgi_error("mule_send_msg()");
+                }
+	}
+}
+
+void uwsgi_mule(int id) {
+
+	int i;
+
+	pid_t pid = uwsgi_fork(uwsgi.mules[id-1].name);
+	if (pid == 0) {
+		uwsgi.muleid = id;
+		// avoid race conditions
+		uwsgi.mules[id-1].id = id;
+		uwsgi.mules[id-1].pid = getpid();
+
+		uwsgi_fixup_fds(0, id, NULL);
+
+		uwsgi.my_signal_socket = uwsgi.mules[id-1].signal_pipe[1];
+		uwsgi.signal_socket = uwsgi.shared->mule_signal_pipe[1];
+
+		uwsgi_close_all_sockets();
+
+		for (i = 0; i < 256; i++) {
+                	if (uwsgi.p[i]->master_fixup) {
+                		uwsgi.p[i]->master_fixup(1);
+                	}
+                }
+
+		for (i = 0; i < 256; i++) {
+                        if (uwsgi.p[i]->post_fork) {
+                                uwsgi.p[i]->post_fork();
+                        }
+                }
+
+
+		if (uwsgi.mules[id-1].patch) {
+			for (i = 0; i < 256; i++) {
+                        	if (uwsgi.p[i]->mule) {
+                                	if (uwsgi.p[i]->mule(uwsgi.mules[id-1].patch) == 1) {
+						// never here
+						break;
+					}
+				}
+                        }
+		}
+
+		uwsgi_mule_handler();
+	}
+	else if (pid > 0) {
+		uwsgi.mules[id-1].id = id;
+		uwsgi.mules[id-1].pid = pid;
+		uwsgi_log("spawned uWSGI mule %d (pid: %d)\n", id, (int) pid);
+	}
+}
+
+int uwsgi_farm_has_mule(struct uwsgi_farm *farm, int muleid) {
+
+	struct uwsgi_mule_farm *umf = farm->mules;
+
+	while(umf) {
+		if (umf->mule->id == muleid) {
+			return 1;
+		}
+		umf = umf->next;
+	}
+
+	return 0;
+}
+
+int farm_has_signaled(int fd) {
+
+	int i;
+	for(i=0;i<uwsgi.farms_cnt;i++) {
+		struct uwsgi_mule_farm *umf = uwsgi.farms[i].mules;
+		while(umf) {
+			if (umf->mule->id == uwsgi.muleid && uwsgi.farms[i].signal_pipe[1] == fd) {
+				return 1;
+			}
+			umf = umf->next;
+		}
+	}
+	
+	return 0;
+}
+
+int farm_has_msg(int fd) {
+
+        int i;
+        for(i=0;i<uwsgi.farms_cnt;i++) {
+                struct uwsgi_mule_farm *umf = uwsgi.farms[i].mules;
+                while(umf) {
+                        if (umf->mule->id == uwsgi.muleid && uwsgi.farms[i].queue_pipe[1] == fd) {
+                                return 1;
+                        }
+                        umf = umf->next;
+                }
+        }
+
+        return 0;
+}
+
+
+void uwsgi_mule_add_farm_to_queue(int queue) {
+
+	int i;
+	for(i=0;i<uwsgi.farms_cnt;i++) {
+		if (uwsgi_farm_has_mule(&uwsgi.farms[i], uwsgi.muleid)) {
+			event_queue_add_fd_read(queue, uwsgi.farms[i].signal_pipe[1]);	
+			event_queue_add_fd_read(queue, uwsgi.farms[i].queue_pipe[1]);	
+		}
+	}
+}
+
+void uwsgi_mule_handler() {
+	
+	ssize_t len;
+	uint8_t uwsgi_signal;
+	int rlen;
+	int interesting_fd;
+	
+	// this must be configurable
+	char message[65536];
+
+	int mule_queue = event_queue_init();
+
+	event_queue_add_fd_read(mule_queue, uwsgi.signal_socket);
+	event_queue_add_fd_read(mule_queue, uwsgi.my_signal_socket);
+	event_queue_add_fd_read(mule_queue, uwsgi.mules[uwsgi.muleid-1].queue_pipe[1]);
+	event_queue_add_fd_read(mule_queue, uwsgi.shared->mule_queue_pipe[1]);
+
+	uwsgi_mule_add_farm_to_queue(mule_queue);
+
+	for(;;) {
+		rlen = event_queue_wait(mule_queue, -1, &interesting_fd);
+		if (rlen <= 0) {
+			continue;
+		}
+
+		if (interesting_fd == uwsgi.signal_socket || interesting_fd == uwsgi.my_signal_socket || farm_has_signaled(interesting_fd)) {
+			len = read(interesting_fd, &uwsgi_signal, 1);
+			if (len <= 0) {
+                		uwsgi_log_verbose("uWSGI mule %d braying: my master died, i will follow him...\n", uwsgi.muleid);
+                        	end_me(0);
+                	}
+#ifdef UWSGI_DEBUG
+			uwsgi_log_verbose("master sent signal %d to mule %d\n", uwsgi_signal, uwsgi.muleid);
+#endif
+			if (uwsgi_signal_handler(uwsgi_signal)) {
+                		uwsgi_log_verbose("error managing signal %d on mule %d\n", uwsgi_signal, uwsgi.muleid);
+                	}
+		}
+		else if (interesting_fd == uwsgi.mules[uwsgi.muleid-1].queue_pipe[1] || interesting_fd == uwsgi.shared->mule_queue_pipe[1] || farm_has_msg(interesting_fd)) {
+			len = read(interesting_fd, message, 65536);
+			if (len < 0) {
+				uwsgi_error("read()");
+			}	
+			else {
+				int i,found = 0;
+				for(i=0;i<256;i++) {
+                                	if (uwsgi.p[i]->mule_msg) {
+                                        	if (uwsgi.p[i]->mule_msg(message, len)) {
+							found = 1;
+							break;
+						}
+					}
+                                }
+				if (!found)
+					uwsgi_log("*** mule %d received a %d bytes message ***\n", uwsgi.muleid, len);
+			}
+		}
+	}
+
+}
+
+struct uwsgi_mule *get_mule_by_id(int id) {
+
+	int i;
+
+	for(i=0;i<uwsgi.mules_cnt;i++) {
+		if (uwsgi.mules[i].id == id) {
+			return &uwsgi.mules[i];
+		}
+	}
+
+	return NULL;
+}
+
+struct uwsgi_farm *get_farm_by_name(char *name) {
+
+        int i;
+
+        for(i=0;i<uwsgi.farms_cnt;i++) {
+                if (!strcmp(uwsgi.farms[i].name, name)) {
+                        return &uwsgi.farms[i];
+                }
+        }
+
+        return NULL;
+}
+
+
+struct uwsgi_mule_farm *uwsgi_mule_farm_new(struct uwsgi_mule_farm **umf, struct uwsgi_mule *um) {
+
+        struct uwsgi_mule_farm *uwsgi_mf = *umf, *old_umf;
+
+        if (!uwsgi_mf) {
+                *umf = uwsgi_malloc(sizeof(struct uwsgi_mule_farm));
+                uwsgi_mf = *umf;
+        }
+        else {
+                while(uwsgi_mf) {
+                        old_umf = uwsgi_mf;
+			uwsgi_mf = uwsgi_mf->next;
+                }
+
+                uwsgi_mf = uwsgi_malloc(sizeof(struct uwsgi_mule_farm));
+                old_umf->next = uwsgi_mf;
+        }
+
+        uwsgi_mf->mule = um;
+        uwsgi_mf->next = NULL;
+
+        return uwsgi_mf;
+}
+
+ssize_t uwsgi_mule_get_msg(int manage_signals, int manage_farms, char *message, size_t buffer_size, int timeout) {
+
+        ssize_t len = 0;
+        struct pollfd *mulepoll;
+        int count = 4;
+        int farms_count = 0;
+        uint8_t uwsgi_signal;
+        int i;
+
+	if (uwsgi.muleid == 0) return -1;
+
+        if (manage_signals) count = 2;
+
+        if (!manage_farms) goto next;
+
+        for(i=0;i<uwsgi.farms_cnt;i++) {
+                if (uwsgi_farm_has_mule(&uwsgi.farms[i], uwsgi.muleid)) farms_count++;
+        }
+next:
+
+        if (timeout > -1) timeout = timeout*1000;
+
+        mulepoll = uwsgi_malloc(sizeof(struct pollfd) * (count+farms_count));
+
+        mulepoll[0].fd = uwsgi.mules[uwsgi.muleid-1].queue_pipe[1];
+        mulepoll[0].events = POLLIN;
+        mulepoll[1].fd = uwsgi.shared->mule_queue_pipe[1];
+        mulepoll[1].events = POLLIN;
+        if (count > 2) {
+                mulepoll[2].fd = uwsgi.signal_socket;
+                mulepoll[2].events = POLLIN;
+                mulepoll[3].fd = uwsgi.my_signal_socket;
+                mulepoll[3].events = POLLIN;
+        }
+
+	if (farms_count > 0) {
+		int tmp_cnt = 0;
+        	for(i=0;i<uwsgi.farms_cnt;i++) {
+			if (uwsgi_farm_has_mule(&uwsgi.farms[i], uwsgi.muleid)) {
+                		mulepoll[count+tmp_cnt].fd = uwsgi.farms[i].queue_pipe[1];
+                		mulepoll[count+tmp_cnt].events = POLLIN;
+				tmp_cnt++;
+			}
+        	}
+	}
+
+        int ret = poll(mulepoll, count+farms_count, timeout);
+        if (ret <= 0) {
+                uwsgi_error("poll");
+        }
+        else {
+                if (mulepoll[0].revents & POLLIN) {
+                        len = read(uwsgi.mules[uwsgi.muleid-1].queue_pipe[1], message, buffer_size);
+                }
+                else if (mulepoll[1].revents & POLLIN) {
+                        len = read(uwsgi.shared->mule_queue_pipe[1], message, buffer_size);
+                }
+                else {
+                        if (count > 2) {
+                                int interesting_fd = -1;
+                                if (mulepoll[2].revents & POLLIN) {
+                                        interesting_fd = mulepoll[2].fd;
+                                }
+                                else if (mulepoll[3].revents & POLLIN) {
+                                        interesting_fd = mulepoll[3].fd;
+                                }
+
+                                if (interesting_fd > -1) {
+                                        len = read(interesting_fd, &uwsgi_signal, 1);
+                                        if (len <= 0) {
+                                                uwsgi_log_verbose("uWSGI mule %d braying: my master died, i will follow him...\n", uwsgi.muleid);
+                                                end_me(0);
+                                        }
+#ifdef UWSGI_DEBUG
+                                        uwsgi_log_verbose("master sent signal %d to mule %d\n", uwsgi_signal, uwsgi.muleid);
+#endif
+                                        if (uwsgi_signal_handler(uwsgi_signal)) {
+                                                uwsgi_log_verbose("error managing signal %d on mule %d\n", uwsgi_signal, uwsgi.mywid);
+                                        }
+					// set the error condition
+					len = -1;
+                                        goto clear;
+                                }
+                        }
+
+			// read messages in the farm
+                        for(i=0;i<farms_count;i++) {
+                                if (mulepoll[count+i].revents & POLLIN) {
+                                        len = read(mulepoll[count+i].fd, message, buffer_size);
+                                        break;
+                                }
+                        }
+                }
+        }
+
+        if (len < 0) {
+                uwsgi_error("read()");
+                goto clear;
+        }
+
+clear:
+        free(mulepoll);
+        return len;
+}
+
+
+void uwsgi_opt_add_mule(char *opt, char *value, void *foobar) {
+
+	uwsgi.mules_cnt++;
+        uwsgi_string_new_list(&uwsgi.mules_patches, value);
+}
+
+void uwsgi_opt_add_mules(char *opt, char *value, void *foobar) {
+	int i;
+
+	for(i=0;i<atoi(value);i++) {
+                        uwsgi.mules_cnt++;
+                        uwsgi_string_new_list(&uwsgi.mules_patches, NULL);
+                }
+}
+
+void uwsgi_opt_add_farm(char *opt, char *value, void *foobar) {
+	uwsgi.farms_cnt++;
+                uwsgi_string_new_list(&uwsgi.farms_list, value);
+
+}

mulefunc.py

@@ -0,0 +1,27 @@
+from uwsgidecorators import *
+
+@timer(3, target='mule1')
+def hello_timer(signum):
+    print "3 seconds elapsed"
+
+
+@mulefunc
+def conto_fino_a_dieci(uno, due, tre):
+    print "MULE ID %d: conto_fino_a_dieci" % uwsgi.mule_id(),uno,due,tre
+
+@mulefunc(2)
+def conto_fino_a_venti(uno, due, tre):
+    print "MULE ID %d: conto_fino_a_venti" % uwsgi.mule_id(),uno,due,tre
+
+@mulefunc('topogigio')
+def conto_fino_a_trenta(uno, due, tre):
+    print "MULE ID %d: conto_fino_a_trenta" % uwsgi.mule_id(),uno,due,tre
+
+
+
+def application(e, sr):
+   conto_fino_a_dieci(1,2,3)
+   conto_fino_a_venti(4,5,6)
+   conto_fino_a_trenta(7,8,9)
+   sr('200 OK', [('Content-Type','text/html')])
+   return "MULE !!!"

multi.xml

@@ -1,5 +1,14 @@
 <uwsgi>
 
+	<!--
+	
+		DO NOT USE <app> TAG !!!
+
+		It is deprecated and will be removed from 1.2
+
+	-->
+
+	<plugins>psgi</plugins>
 	<plugins>rack</plugins>
 
 	<http>:9090</http>
@@ -24,6 +33,8 @@
 		<module>werkzeug.testapp:test_app</module>
 	</app>
 
+	<app mountpoint="/foobar">werkzeug.testapp:test_app</app>
+
 	<app mountpoint="/trac">
 		<module>trac.web.main:dispatch_request</module>
 	</app>
@@ -32,11 +43,12 @@
 		<module>werkzeug.testapp:test_app</module>
 	</app>
 
+	<!-- eval is broken -->
 	<app mountpoint="/bzr">
-<eval>
+		<eval>
 from bzrlib.transport.http import wsgi
 application = wsgi.make_app("mybzr", "/bzr", readonly=False)
-</eval>
+		</eval>
 	</app>
 
 	<app domain="sirius002:9090">
@@ -47,4 +59,8 @@ application = wsgi.make_app("mybzr", "/bzr", readonly=False)
 		<rack>config2.ru</rack>
 	</app>
 
+	<app mountpoint="precise64.local">
+		<psgi>test.psgi</psgi>
+	</app>
+
 </uwsgi>

plugins.c

@@ -2,30 +2,16 @@
 
 extern struct uwsgi_server uwsgi;
 
-void *uwsgi_load_plugin(int modifier, char *plugin, char *has_option, int absolute) {
-
-	void *plugin_handle;
-
-	char *plugin_name;
-	char *plugin_entry_symbol;
-	struct uwsgi_plugin *up;
-	char linkpath_buf[1024], linkpath[1024];
-	int linkpath_size;
+static int plugin_already_loaded(const char *plugin) {
 	int i;
 
-	char *colon = strchr(plugin, ':');
-	if (colon) {
-		colon[0] = 0;
-	}
-
-check:
-	for (i = 0; i < 0xFF; i++) {
+	for (i = 0; i < 256; i++) {
 		if (uwsgi.p[i]->name) {
 			if (!strcmp(plugin, uwsgi.p[i]->name)) {
 #ifdef UWSGI_DEBUG
 				uwsgi_log("%s plugin already available\n", plugin);
 #endif
-				return NULL;
+				return 1;
 			}	
 		}
 		if (uwsgi.p[i]->alias) {
@@ -33,7 +19,7 @@ check:
 #ifdef UWSGI_DEBUG
 				uwsgi_log("%s plugin already available\n", plugin);
 #endif
-				return NULL;
+				return 1;
 			}	
 		}
 	}
@@ -45,7 +31,7 @@ check:
 #ifdef UWSGI_DEBUG
                                 uwsgi_log("%s plugin already available\n", plugin);
 #endif
-                                return NULL;
+                                return 1;
                         }       
                 }
                 if (uwsgi.gp[i]->alias) {
@@ -53,48 +39,101 @@ check:
 #ifdef UWSGI_DEBUG
                                 uwsgi_log("%s plugin already available\n", plugin);
 #endif
-                                return NULL;
+                                return 1;
                         }
                 }
         }
 
+	return 0;
+}
+
+void *uwsgi_load_plugin(int modifier, char *plugin, char *has_option) {
+
+	void *plugin_handle = NULL;
+	char *plugin_abs_path = NULL;
+	char *plugin_filename = NULL;
+
+	int need_free = 0;
+	char *plugin_name = plugin;
+	char *plugin_symbol_name_start = plugin;
+
+
+	struct uwsgi_plugin *up;
+	char linkpath_buf[1024], linkpath[1024];
+	int linkpath_size;
+
+	char *colon = strchr(plugin_name, ':');
 	if (colon) {
-		plugin = colon+1;
+		colon[0] = 0;
+		modifier = atoi(plugin_name);
+		plugin_name = colon+1;
 		colon[0] = ':';
-		colon = NULL;
-		goto check;
 	}
 
-	if (absolute == 1) {
-		plugin_name = uwsgi_concat2(plugin, "");
-		// need to fix this... postpone until needed
-		plugin_entry_symbol = uwsgi_concat2n(plugin, strlen(plugin)-3 ,"", 0);
-	}	
-	else if (absolute == 2) {
-		plugin_name = uwsgi_concat3(UWSGI_PLUGIN_DIR, "/", plugin);
-		plugin_entry_symbol = uwsgi_concat2n(plugin, strlen(plugin)-3 ,"", 0);
+	if (!uwsgi_endswith(plugin_name, "_plugin.so")) {
+		plugin_name = uwsgi_concat2(plugin_name, "_plugin.so");
+		need_free = 1;
 	}
-	else {
-		plugin_name = uwsgi_concat4(UWSGI_PLUGIN_DIR, "/", plugin, "_plugin.so");
-		plugin_entry_symbol = uwsgi_concat2(plugin, "_plugin");
-	}
-	plugin_handle = dlopen(plugin_name, RTLD_NOW | RTLD_GLOBAL);
 
+	plugin_symbol_name_start = plugin_name;
+
+	// step 1: check for absolute plugin (stop if it fails)
+	if (strchr(plugin_name, '/')) {
+		plugin_handle = dlopen(plugin_name, RTLD_NOW | RTLD_GLOBAL);
+		if (!plugin_handle) {
+			if (!has_option)
+				uwsgi_log( "%s\n", dlerror());
+			goto end;
+		}
+		plugin_symbol_name_start = uwsgi_get_last_char(plugin_name, '/');
+		plugin_symbol_name_start++;
+		plugin_abs_path = plugin_name;
+		goto success;
+	}
+
+	// step dir, check for user-supplied plugins directory
+	struct uwsgi_string_list *pdir = uwsgi.plugins_dir;
+	while(pdir) {
+		plugin_filename = uwsgi_concat3(pdir->value, "/", plugin_name);
+		plugin_handle = dlopen(plugin_filename, RTLD_NOW | RTLD_GLOBAL);
+		if (plugin_handle) {
+			plugin_abs_path = plugin_filename;
+			//free(plugin_filename);
+			goto success;
+		}
+		free(plugin_filename);
+		plugin_filename = NULL;
+		pdir = pdir->next;
+	}
+
+	// last step: search in compile-time plugin_dir
+	if (!plugin_handle) {
+		plugin_filename = uwsgi_concat3(UWSGI_PLUGIN_DIR, "/", plugin_name);
+		plugin_handle = dlopen(plugin_filename, RTLD_NOW | RTLD_GLOBAL);
+		plugin_abs_path = plugin_filename;
+		//free(plugin_filename);
+	}
+
+success:
         if (!plugin_handle) {
-                uwsgi_log( "%s\n", dlerror());
+		if (!has_option)
+                	uwsgi_log( "%s\n", dlerror());
         }
         else {
+		char *plugin_entry_symbol = uwsgi_concat2n(plugin_symbol_name_start, strlen(plugin_symbol_name_start)-3, "", 0);
                 up = dlsym(plugin_handle, plugin_entry_symbol);
 		if (!up) {
 			// is it a link ?
 			memset(linkpath_buf, 0, 1024);
 			memset(linkpath, 0, 1024);
-			if ((linkpath_size = readlink(plugin_name, linkpath_buf, 1023)) > 0) {
+			if ((linkpath_size = readlink(plugin_abs_path, linkpath_buf, 1023)) > 0) {
 				do {
 					linkpath_buf[linkpath_size] = '\0';
-					strcpy(linkpath, linkpath_buf);
+					strncpy(linkpath, linkpath_buf, linkpath_size+1);
 				} while ((linkpath_size = readlink(linkpath, linkpath_buf, 1023)) > 0);
+#ifdef UWSGI_DEBUG
 				uwsgi_log("%s\n", linkpath);
+#endif
 				free(plugin_entry_symbol);
 				up = dlsym(plugin_handle, plugin_entry_symbol);
 				char *slash = uwsgi_get_last_char(linkpath, '/');
@@ -109,23 +148,47 @@ check:
 			}
 		}
                 if (up) {
+			if (!up->name) {
+				uwsgi_log("the loaded plugin (%s) has no .name attribute\n", plugin_name);
+				if (dlclose(plugin_handle)) {
+                                	uwsgi_error("dlclose()");
+                                }
+				if (need_free)
+					free(plugin_name);
+				if (plugin_filename)
+					free(plugin_filename);
+				free(plugin_entry_symbol);
+				return NULL;
+			}
+			if (plugin_already_loaded(up->name)) {
+				if (dlclose(plugin_handle)) {
+                                	uwsgi_error("dlclose()");
+                                }
+				if (need_free)
+					free(plugin_name);
+				if (plugin_filename)
+					free(plugin_filename);
+				free(plugin_entry_symbol);
+				return NULL;
+			}
 			if (has_option) {
-				struct option *lopt = up->options, *aopt;
+				struct uwsgi_option *op = up->options;
 				int found = 0;
-				while ((aopt = lopt)) {
-                			if (!aopt->name)
-                        			break;
-					if (!strcmp(has_option, aopt->name)) {
+				while (op && op->name) {
+					if (!strcmp(has_option, op->name)) {
 						found = 1;
 						break;
 					}	
-                			lopt++;
+                			op++;
 				}
 				if (!found) {
 					if (dlclose(plugin_handle)) {
 						uwsgi_error("dlclose()");
 					}
-					free(plugin_name);
+					if (need_free)
+						free(plugin_name);
+					if (plugin_filename)
+						free(plugin_filename);
 					free(plugin_entry_symbol);
 					return NULL;
 				}
@@ -137,14 +200,77 @@ check:
 			else {
 				fill_plugin_table(up->modifier1, up);			
 			}
-			free(plugin_name);
+			if (need_free)
+				free(plugin_name);
+			if (plugin_filename)
+				free(plugin_filename);
 			free(plugin_entry_symbol);
+
+			if (up->on_load)
+				up->on_load();
 			return plugin_handle;
                 }
-                uwsgi_log( "%s\n", dlerror());
+		if (!has_option)
+                	uwsgi_log( "%s\n", dlerror());
         }
 
-	free(plugin_name);
+end:
+	if (need_free)
+		free(plugin_name);
+	if (plugin_filename)
+		free(plugin_filename);
 
 	return NULL;
 }
+
+int uwsgi_try_autoload(char *option) {
+	DIR *d;
+	struct dirent *dp;
+	// step dir, check for user-supplied plugins directory
+        struct uwsgi_string_list *pdir = uwsgi.plugins_dir;
+        while(pdir) {
+		d = opendir(pdir->value);
+		if (d) {
+			while ((dp = readdir(d)) != NULL) {
+				if (uwsgi_endswith(dp->d_name, "_plugin.so")) {
+					char *filename = uwsgi_concat3(pdir->value, "/", dp->d_name);
+					if (uwsgi_load_plugin(-1, filename, option)) {	
+						uwsgi_log("option \"%s\" found in plugin %s\n", option, filename);
+						free(filename);
+						closedir(d);
+						// add new options
+						build_options();
+						return 1;
+					}
+					free(filename);
+				}
+			}
+			closedir(d);
+		}
+                pdir = pdir->next;
+        }
+
+        // last step: search in compile-time plugin_dir
+	d = opendir(UWSGI_PLUGIN_DIR);
+	if (!d) return 0;
+
+	while((dp = readdir(d)) != NULL) {
+		if (uwsgi_endswith(dp->d_name, "_plugin.so")) {
+				char *filename = uwsgi_concat3(UWSGI_PLUGIN_DIR, "/", dp->d_name);
+				if (uwsgi_load_plugin(-1, filename, option)) {
+					uwsgi_log("option \"%s\" found in plugin %s\n", option, filename);
+					free(filename);
+					closedir(d);
+					// add new options
+					build_options();
+					return 1;
+				}
+				free(filename);
+		}
+        }
+
+	closedir(d);
+
+	return 0;
+
+}

plugins/cache/cache.c

@@ -34,6 +34,7 @@ int uwsgi_cache_request(struct wsgi_request *wsgi_req) {
         uint64_t vallen = 0;
         char *value;
         char *argv[3];
+        uint16_t argvs[3];
         uint8_t argc = 0;
 
         switch(wsgi_req->uh.modifier2) {
@@ -52,9 +53,9 @@ int uwsgi_cache_request(struct wsgi_request *wsgi_req) {
                         // set
                         if (wsgi_req->uh.pktsize > 0) {
                                 argc = 3;
-                                if (!uwsgi_parse_array(wsgi_req->buffer, wsgi_req->uh.pktsize, argv, &argc)) {
+                                if (!uwsgi_parse_array(wsgi_req->buffer, wsgi_req->uh.pktsize, argv, argvs, &argc)) {
                                         if (argc > 1) {
-                                                uwsgi_cache_set(argv[0], strlen(argv[0]), argv[1], strlen(argv[1]), 0, 0);
+                                                uwsgi_cache_set(argv[0], argvs[0], argv[1], argvs[1], 0, 0);
                                         }
                                 }
                         }
@@ -62,7 +63,7 @@ int uwsgi_cache_request(struct wsgi_request *wsgi_req) {
                 case 2:
                         // del
                         if (wsgi_req->uh.pktsize > 0) {
-                                uwsgi_cache_del(wsgi_req->buffer, wsgi_req->uh.pktsize);
+                                uwsgi_cache_del(wsgi_req->buffer, wsgi_req->uh.pktsize, 0);
                         }
                         break;
                 case 3:

plugins/carbon/carbon.c

@@ -0,0 +1,150 @@
+#include "../../uwsgi.h"
+
+extern struct uwsgi_server uwsgi;
+
+struct uwsgi_carbon {
+	struct uwsgi_string_list *servers;
+	int freq;
+	int timeout;
+	char *id;
+	int no_workers;
+} u_carbon;
+
+struct uwsgi_option carbon_options[] = {
+	{"carbon", required_argument, 0, "push statistics to the specified carbon server", uwsgi_opt_add_string_list, &u_carbon.servers, UWSGI_OPT_MASTER},
+	{"carbon-timeout", required_argument, 0, "set carbon connection timeout", uwsgi_opt_set_int, &u_carbon.timeout, 0},
+	{"carbon-freq", required_argument, 0, "set carbon push frequency", uwsgi_opt_set_int, &u_carbon.freq, 0},
+	{"carbon-id", required_argument, 0, "set carbon id", uwsgi_opt_set_str, &u_carbon.id, 0},
+	{"carbon-no-workers", no_argument, 0, "disable generation of single worker metrics", uwsgi_opt_true, &u_carbon.no_workers, 0},
+	{0, 0, 0, 0, 0, 0, 0},
+
+};
+
+
+void carbon_post_init() {
+
+	int i;
+	struct uwsgi_string_list *usl = u_carbon.servers;
+	if (!uwsgi.sockets) return;
+	if (!u_carbon.servers) return;
+
+	while(usl) {
+		uwsgi_log("added carbon server %s\n", usl->value);
+		usl = usl->next;
+	}
+
+	if (u_carbon.freq < 1) u_carbon.freq = 60;
+	if (u_carbon.timeout < 1) u_carbon.timeout = 3;
+	if (!u_carbon.id) { 
+		u_carbon.id = uwsgi_str(uwsgi.sockets->name);
+
+		for(i=0;i<(int)strlen(u_carbon.id);i++) {
+			if (u_carbon.id[i] == '.') u_carbon.id[i] = '_';
+		}
+	}
+
+}
+
+void carbon_master_cycle() {
+
+	static time_t last_update = 0;
+	char ptr[4096];
+	int rlen, i;
+	int fd;
+	struct uwsgi_string_list *usl = u_carbon.servers;
+
+	if (!u_carbon.servers) return ;
+
+	if (last_update == 0) last_update = time(NULL);
+
+	// update
+	if (uwsgi.current_time - last_update >= u_carbon.freq) {
+		while(usl) {
+			fd = uwsgi_connect(usl->value, u_carbon.timeout, 0);
+			if (fd < 0) goto nxt;
+			// put the socket in non-blocking mode
+			uwsgi_socket_nb(fd);
+
+			unsigned long long total_rss = 0;
+			unsigned long long total_vsz = 0;
+			unsigned long long total_tx = 0;
+			unsigned long long total_avg_rt = 0; // total avg_rt
+			unsigned long long avg_rt = 0; // per worker avg_rt reported to carbon
+			unsigned long long avg_rt_workers = 0; // number of workers used to calculate total avg_rt
+
+			rlen = snprintf(ptr, 4096, "uwsgi.%s.%s.requests %llu %llu\n", uwsgi.hostname, u_carbon.id, (unsigned long long ) uwsgi.workers[0].requests, (unsigned long long ) uwsgi.current_time);
+			if (rlen < 1) goto clear;
+			if (write(fd, ptr, rlen) <= 0) { uwsgi_error("write()"); goto clear;}
+		
+			if (u_carbon.no_workers) goto gmetrics;
+
+			for(i=1;i<=uwsgi.numproc;i++) {
+				rlen = snprintf(ptr, 4096, "uwsgi.%s.%s.worker%d.requests %llu %llu\n", uwsgi.hostname, u_carbon.id, i, (unsigned long long ) uwsgi.workers[i].requests, (unsigned long long ) uwsgi.current_time);
+				if (rlen < 1) goto clear;
+				if (write(fd, ptr, rlen) <= 0) { uwsgi_error("write()"); goto clear;}
+
+				total_rss += uwsgi.workers[i].rss_size;
+				rlen = snprintf(ptr, 4096, "uwsgi.%s.%s.worker%d.rss_size %llu %llu\n", uwsgi.hostname, u_carbon.id, i, (unsigned long long ) uwsgi.workers[i].rss_size, (unsigned long long ) uwsgi.current_time);
+				if (rlen < 1) goto clear;
+				if (write(fd, ptr, rlen) <= 0) { uwsgi_error("write()"); goto clear;}
+
+				total_vsz += uwsgi.workers[i].vsz_size;
+				rlen = snprintf(ptr, 4096, "uwsgi.%s.%s.worker%d.vsz_size %llu %llu\n", uwsgi.hostname, u_carbon.id, i, (unsigned long long ) uwsgi.workers[i].vsz_size, (unsigned long long ) uwsgi.current_time);
+				if (rlen < 1) goto clear;
+				if (write(fd, ptr, rlen) <= 0) { uwsgi_error("write()"); goto clear;}
+
+				if (uwsgi.workers[i].cheaped) {
+					// also if worker is cheaped than we report its average response time as zero, sending last value might be confusing
+					avg_rt = 0;
+				}
+				else {
+					// global average response time is calcucalted from active/idle workers, cheaped workers are excluded, otherwise it is not accurate
+					avg_rt = uwsgi.workers[i].avg_response_time;
+					avg_rt_workers++;
+					total_avg_rt += uwsgi.workers[i].avg_response_time;
+				}
+				rlen = snprintf(ptr, 4096, "uwsgi.%s.%s.worker%d.avg_rt %llu %llu\n", uwsgi.hostname, u_carbon.id, i, (unsigned long long ) avg_rt, (unsigned long long ) uwsgi.current_time);
+				if (rlen < 1) goto clear;
+				if (write(fd, ptr, rlen) <= 0) { uwsgi_error("write()"); goto clear;}
+
+				total_tx += uwsgi.workers[i].tx;
+				rlen = snprintf(ptr, 4096, "uwsgi.%s.%s.worker%d.tx %llu %llu\n", uwsgi.hostname, u_carbon.id, i, (unsigned long long ) uwsgi.workers[i].tx, (unsigned long long ) uwsgi.current_time);
+				if (rlen < 1) goto clear;
+				if (write(fd, ptr, rlen) <= 0) { uwsgi_error("write()"); goto clear;}
+			}
+
+gmetrics:
+
+			rlen = snprintf(ptr, 4096, "uwsgi.%s.%s.rss_size %llu %llu\n", uwsgi.hostname, u_carbon.id, (unsigned long long ) total_rss, (unsigned long long ) uwsgi.current_time);
+			if (rlen < 1) goto clear;
+			if (write(fd, ptr, rlen) <= 0) { uwsgi_error("write()"); goto clear;}
+
+			rlen = snprintf(ptr, 4096, "uwsgi.%s.%s.vsz_size %llu %llu\n", uwsgi.hostname, u_carbon.id, (unsigned long long ) total_vsz, (unsigned long long ) uwsgi.current_time);
+			if (rlen < 1) goto clear;
+			if (write(fd, ptr, rlen) <= 0) { uwsgi_error("write()"); goto clear;}
+
+			rlen = snprintf(ptr, 4096, "uwsgi.%s.%s.avg_rt %llu %llu\n", uwsgi.hostname, u_carbon.id, (unsigned long long ) (avg_rt_workers ? total_avg_rt / avg_rt_workers : 0), (unsigned long long ) uwsgi.current_time);
+			if (rlen < 1) goto clear;
+			if (write(fd, ptr, rlen) <= 0) { uwsgi_error("write()"); goto clear;}
+
+			rlen = snprintf(ptr, 4096, "uwsgi.%s.%s.tx %llu %llu\n", uwsgi.hostname, u_carbon.id, (unsigned long long ) total_tx, (unsigned long long ) uwsgi.current_time);
+			if (rlen < 1) goto clear;
+			if (write(fd, ptr, rlen) <= 0) { uwsgi_error("write()"); goto clear;}
+
+clear:
+			close(fd);
+nxt:
+			usl = usl->next;
+		}
+		last_update = time(NULL);
+	}
+}
+
+struct uwsgi_plugin carbon_plugin = {
+
+	.name = "carbon",
+	
+	.options = carbon_options,
+	.master_cycle = carbon_master_cycle,
+	.post_init = carbon_post_init,
+};

plugins/carbon/uwsgiplugin.py

@@ -0,0 +1,7 @@
+
+NAME='carbon'
+CFLAGS = []
+LDFLAGS = []
+LIBS = []
+
+GCC_LIST = ['carbon']

plugins/cheaper_backlog2/cheaper_backlog2.c

@@ -0,0 +1,70 @@
+#include "../../uwsgi.h"
+
+/*
+
+	This plugins is meant as an example for custom implementations.
+
+        -- Copy of Cheaper,  backlog algorithm (supported only on Linux) --
+
+        increse the number of workers when the listen queue is higher than uwsgi.cheaper_overload.
+        Decrese when lower.
+
+*/
+
+extern struct uwsgi_server uwsgi;
+
+int cheaper_backlog2_algo(void) {
+
+        int i;
+#ifdef __linux__
+        int backlog = uwsgi.shared->options[UWSGI_OPTION_BACKLOG_STATUS];
+#else
+        int backlog = 0;
+#endif
+
+        if (backlog > (int)uwsgi.cheaper_overload) {
+                // activate the first available worker (taking step into account)
+                int decheaped = 0;
+                // search for cheaped workers
+                for (i = 1; i <= uwsgi.numproc; i++) {
+                        if (uwsgi.workers[i].cheaped == 1 && uwsgi.workers[i].pid == 0) {
+                                decheaped++;
+                                if (decheaped >= uwsgi.cheaper_step)
+                                        break;
+                        }
+                }
+                // return the maximum number of workers to spawn
+                return decheaped;
+
+        }
+        else if (backlog < (int) uwsgi.cheaper_overload) {
+		// count active workers
+                int active_workers = 0;
+                for (i = 1; i <= uwsgi.numproc; i++) {
+                        if (uwsgi.workers[i].cheaped == 0 && uwsgi.workers[i].pid > 0) {
+                                active_workers++;
+                        }
+                }
+
+		// cheap a worker if too much are running
+                if (active_workers > uwsgi.cheaper_count) {
+                        return -1;
+                }
+        }
+
+        return 0;
+}
+
+
+
+// registration hook
+void uwsgi_cheaper_register_backlog2(void) {
+	uwsgi_register_cheaper_algo("backlog2", cheaper_backlog2_algo);
+}
+
+struct uwsgi_plugin cheaper_backlog2_plugin = {
+
+	.name = "cheaper_backlog2",
+        .on_load = uwsgi_cheaper_register_backlog2,
+	
+};

plugins/cheaper_backlog2/uwsgiplugin.py

@@ -0,0 +1,6 @@
+NAME='cheaper_backlog2'
+
+CFLAGS = []
+LDFLAGS = []
+LIBS = []
+GCC_LIST = ['cheaper_backlog2']

plugins/cplusplus/base.cc

@@ -40,7 +40,7 @@ extern "C" int uwsgi_cplusplus_request(struct wsgi_request *wsgi_req) {
 
 	fc = new FakeClass();
 	// get PATH_INFO
-        fc->foobar = uwsgi_get_var(wsgi_req, (char *) "PATH_INFO", &fc->foobar_len);
+        fc->foobar = uwsgi_get_var(wsgi_req, (char *) "PATH_INFO", 9, &fc->foobar_len);
 
 	if (fc->foobar) {
 		// send output

plugins/dummy/dummy.c

@@ -0,0 +1,16 @@
+#include "../../uwsgi.h"
+
+int dummy_request(struct wsgi_request *wsgi_req) {
+
+	if (uwsgi_parse_vars(wsgi_req)) {
+		return -1;
+	}
+
+	return UWSGI_OK;
+}
+
+struct uwsgi_plugin dummy_plugin = {
+	.name = "dummy",
+	.modifier1 = 0,
+	.request = dummy_request,
+};

plugins/dummy/uwsgiplugin.py

@@ -0,0 +1,7 @@
+
+NAME='dummy'
+CFLAGS = []
+LDFLAGS = []
+LIBS = []
+
+GCC_LIST = ['dummy']

plugins/erlang/erlang.c

@@ -4,10 +4,10 @@
 extern struct uwsgi_server uwsgi;
 struct uwsgi_erlang uerl;
 
-struct option erlang_options[] = {
-	{"erlang", required_argument, 0, LONG_ARGS_ERLANG},
-        {"erlang-cookie", required_argument, 0, LONG_ARGS_ERLANG_COOKIE},
-	{0, 0, 0, 0},
+struct uwsgi_option erlang_options[] = {
+	{"erlang", required_argument, 0, "spawn an erlang c-node", uwsgi_opt_set_str, &uerl.name, UWSGI_OPT_MASTER},
+        {"erlang-cookie", required_argument, 0, "set erlang cookie", uwsgi_opt_set_str, &uerl.cookie, 0},
+	{0, 0, 0, 0, 0, 0, 0},
 };
 
 
@@ -94,8 +94,9 @@ void uwsgi_erlang_rpc(int fd, erlang_pid *from, ei_x_buff *x) {
 	char *call;
 	char buffer[0xffff];
 
-	char *argv[0xff] ;
-	int argc;
+	char *argv[256] ;
+	uint16_t argvs[256] ;
+	int argc = 0;
 	uint16_t ret;
 	ei_x_buff xr;
 
@@ -103,19 +104,20 @@ void uwsgi_erlang_rpc(int fd, erlang_pid *from, ei_x_buff *x) {
 
 	ei_get_type(x->buff, &x->index, &etype, &esize);
 
+#ifdef UWSGI_DEBUG
 	uwsgi_log("%d %c %c %c\n", etype, etype, ERL_SMALL_TUPLE_EXT, ERL_LARGE_TUPLE_EXT);
+#endif
 	if (etype != ERL_SMALL_TUPLE_EXT && etype != ERL_LARGE_TUPLE_EXT) return;
 
-	uwsgi_log("decode tuple\n");
 	ei_decode_tuple_header(x->buff, &x->index, &arity);
 
+#ifdef UWSGI_DEBUG
 	uwsgi_log("rpc arity %d\n", arity);
+#endif
 	if (arity != 3) return ;
 
 	ei_get_type(x->buff, &x->index, &etype, &esize);
 
-	uwsgi_log("%d %c\n", etype, etype);
-
 	if (etype != ERL_ATOM_EXT && etype != ERL_STRING_EXT) return ;
 
 	gen_call = uwsgi_malloc(esize);
@@ -127,7 +129,9 @@ void uwsgi_erlang_rpc(int fd, erlang_pid *from, ei_x_buff *x) {
                 ei_decode_string(x->buff, &x->index, gen_call);
         }
 
+#ifdef UWSGI_DEBUG
 	uwsgi_log("gen call = %s\n", gen_call);
+#endif
 
 	ei_get_type(x->buff, &x->index, &etype, &esize);
 	
@@ -138,13 +142,10 @@ void uwsgi_erlang_rpc(int fd, erlang_pid *from, ei_x_buff *x) {
 
 	ei_get_type(x->buff, &x->index, &etype, &esize);
 	ei_skip_term(x->buff, &x->index);
-	uwsgi_log("skip0 %d %c\n", etype, etype);
 	ei_get_type(x->buff, &x->index, &etype, &esize);
-	uwsgi_log("skip1 %d %c\n", etype, etype);
 	ei_decode_ref(x->buff, &x->index, &eref);
 
 	ei_get_type(x->buff, &x->index, &etype, &esize);
-	uwsgi_log("%d %c\n", etype, etype);
 
 	module = uwsgi_malloc(esize);
 
@@ -157,17 +158,16 @@ void uwsgi_erlang_rpc(int fd, erlang_pid *from, ei_x_buff *x) {
 
 	ei_get_type(x->buff, &x->index, &etype, &esize);
 
-	uwsgi_log("%d %c\n", etype, etype);
-
 	if (etype != ERL_SMALL_TUPLE_EXT) return ;
 
 	ei_decode_tuple_header(x->buff, &x->index, &arity);
 
+#ifdef UWSGI_DEBUG
 	uwsgi_log("arity: %d\n", arity);
+#endif
 	if (arity != 5) return ;
 
 	ei_get_type(x->buff, &x->index, &etype, &esize);
-        uwsgi_log("%d %c\n", etype, etype);
 
         char *method = uwsgi_malloc(esize);
 
@@ -181,7 +181,6 @@ void uwsgi_erlang_rpc(int fd, erlang_pid *from, ei_x_buff *x) {
         if (strcmp(method, "call")) return;
 
         ei_get_type(x->buff, &x->index, &etype, &esize);
-        uwsgi_log("%d %c\n", etype, etype);
 
 	if (etype != ERL_ATOM_EXT && etype != ERL_STRING_EXT) return ;
 
@@ -207,7 +206,9 @@ void uwsgi_erlang_rpc(int fd, erlang_pid *from, ei_x_buff *x) {
 		ei_decode_string(x->buff, &x->index, call);
 	}
 
+#ifdef UWSGI_DEBUG
 	uwsgi_log("RPC %s %s\n", module, call);
+#endif
 
 	ei_get_type(x->buff, &x->index, &etype, &esize);
 
@@ -215,16 +216,20 @@ void uwsgi_erlang_rpc(int fd, erlang_pid *from, ei_x_buff *x) {
 		argc = 1;
 		argv[0] = uwsgi_malloc(esize+1);
 		ei_decode_atom(x->buff, &x->index, argv[0]);	
+		argvs[1] = esize;
 	}
 	else if (etype == ERL_STRING_EXT) {
 		argc = 1;
 		argv[0] = uwsgi_malloc(esize+1);
 		ei_decode_string(x->buff, &x->index, argv[0]);	
+		argvs[1] = esize;
 	}
 
-	ret = uwsgi_rpc(call, argc, argv, buffer);
+	ret = uwsgi_rpc(call, argc, argv, argvs, buffer);
 
+#ifdef UWSGI_DEBUG
 	uwsgi_log("buffer: %.*s\n", ret, buffer);
+#endif
 
 	ei_x_new_with_version(&xr);
 
@@ -239,7 +244,7 @@ void uwsgi_erlang_rpc(int fd, erlang_pid *from, ei_x_buff *x) {
 	
 }
 
-void erlang_loop() {
+void erlang_loop(int id) {
 
 	ErlConnect econn;
 	//ErlMessage em;
@@ -247,7 +252,6 @@ void erlang_loop() {
 	int fd;
 
 	int eversion;
-	int i;
 
 	ei_x_buff x, xr;
 
@@ -286,7 +290,7 @@ void erlang_loop() {
 					if (em.msgtype == ERL_TICK)
 						continue;
 
-					uwsgi_log("From: %s To: %s RegName: %s\n", em.from.node, em.to.node, em.toname);
+					uwsgi_log("[erlang] message From: %s To (process): %s\n", em.from.node, em.toname);
 
 
 					
@@ -300,20 +304,18 @@ void erlang_loop() {
 						uwsgi_erlang_rpc(fd, &em.from, &x);
 					}
 					else {
-						int uep = -1;
-						for(i=0;i<uerl.uep_cnt;i++) {
-							if (!strcmp(uerl.uep[i].name, em.toname)) {
-								uep = i;
+						struct uwsgi_erlang_process *uep = uerl.uep;
+						while(uep) {
+							if (!strcmp(uep->name, em.toname)) {
+								if (uep->plugin) {
+									uep->plugin(uep->func, &x);	
+								}
 								break;
 							}
+							uep = uep->next;
 						}
 
-						if (uep > -1) {
-							if (uerl.uep[uep].plugin) {
-								uerl.uep[uep].plugin( uerl.uep[uep].func, &x );
-							}
-						}
-						else {
+						if (!uep) {
 							uwsgi_log("!!! unregistered erlang process requested, dumping it !!!\n");
 							dump_eterm(&x);
 						}
@@ -361,12 +363,10 @@ int erlang_init() {
 	char *nodename;
 	struct in_addr addr;
 
-	uerl.lock = uwsgi_mmap_shared_lock();
-        uwsgi_lock_init(uerl.lock);
+        uerl.lock = uwsgi_lock_init("erlang");
 
         if (uerl.name) {
 
-		uwsgi.master_process = 1;
 
 		host = strchr(uerl.name, '@');
 
@@ -422,34 +422,20 @@ int erlang_init() {
 		uwsgi_log("Erlang C-Node %s registered on port %d\n", ei_thisnodename(&uerl.cnode), ntohs(sin.sin_port));
 
 	
-                if (register_fat_gateway("erlang", erlang_loop) == NULL) {
+                if (register_gateway("uWSGI erlang c-node", erlang_loop) == NULL) {
                         uwsgi_log("unable to register the erlang gateway\n");
                         exit(1);
                 }
+
         }
 
         return 0;
 }
 
-int erlang_opt(int i, char *optarg) {
-
-        switch(i) {
-                case LONG_ARGS_ERLANG:
-                        uerl.name = optarg;
-                        return 1;
-                case LONG_ARGS_ERLANG_COOKIE:
-			uerl.cookie = optarg;
-                        return 1;
-        }
-        return 0;
-}
-
-
 struct uwsgi_plugin erlang_plugin = {
 
 	.name = "erlang",
         .options = erlang_options,
-        .manage_opt = erlang_opt,
         .init = erlang_init,
 };
 

plugins/erlang/erlang.h

@@ -1,17 +1,12 @@
 #include <ei.h>
 
-#define MAX_UWSGI_ERLANG_PROCESSES 64
-
-#define LONG_ARGS_ERLANG                17012
-#define LONG_ARGS_ERLANG_COOKIE         17013
-
-
-
 struct uwsgi_erlang_process {
 	
 	char name[0xff];
 	void (*plugin)(void *, ei_x_buff *);
 	void *func;
+
+	struct uwsgi_erlang_process *next;
 };
 
 struct uwsgi_erlang {
@@ -24,7 +19,6 @@ struct uwsgi_erlang {
 
 	void *lock;
 
-	struct uwsgi_erlang_process uep[MAX_UWSGI_ERLANG_PROCESSES];
-	int uep_cnt;
+	struct uwsgi_erlang_process *uep;
 };
 

plugins/erlang/uwsgiplugin.py

@@ -1,7 +1,15 @@
+import os
 
 NAME='erlang'
-CFLAGS = []
-LDFLAGS = []
+
+ERLANGPATH = os.environ.get('UWSGICONFIG_ERLANGPATH', 'erl')
+
+includedir = os.popen(ERLANGPATH + " -noshell -noinput -eval \"io:format('~s~n', [code:lib_dir(erl_interface, include)])\" -s erlang halt").read().rstrip()
+libpath = os.popen(ERLANGPATH + " -noshell -noinput -eval \"io:format('~s~n', [code:lib_dir(erl_interface, lib)])\" -s erlang halt").read().rstrip()
+
+CFLAGS = [ '-I' + includedir ]
+LDFLAGS = [ '-L' + libpath ]
+
 LIBS = ['-lei']
 
 GCC_LIST = ['erlang']

plugins/fastrouter/fr.h

@@ -0,0 +1,164 @@
+#define FASTROUTER_STATUS_FREE 0
+#define FASTROUTER_STATUS_CONNECTING 1
+#define FASTROUTER_STATUS_RECV_HDR 2
+#define FASTROUTER_STATUS_RECV_VARS 3
+#define FASTROUTER_STATUS_RESPONSE 4
+#define FASTROUTER_STATUS_BUFFERING 5
+
+#ifdef UWSGI_SCTP
+#define FASTROUTER_STATUS_SCTP_NODE_FREE 6
+#define FASTROUTER_STATUS_SCTP_RESPONSE 7
+#endif
+
+#define add_timeout(x) uwsgi_add_rb_timer(ufr.timeouts, time(NULL)+ufr.socket_timeout, x)
+#define add_fake_timeout(x) uwsgi_add_rb_timer(ufr.timeouts, time(NULL)+1, x)
+#define add_check_timeout(x) uwsgi_add_rb_timer(timeouts, time(NULL)+x, NULL)
+#define del_check_timeout(x) rb_erase(&x->rbt, timeouts);
+#define del_timeout(x) rb_erase(&x->timeout->rbt, ufr.timeouts); free(x->timeout);
+
+struct fastrouter_session;
+
+struct uwsgi_fastrouter {
+
+	int (*mapper)(struct fastrouter_session *, char **);
+
+        int has_sockets;
+        int has_subscription_sockets;
+#ifdef UWSGI_SCTP
+        int has_sctp_sockets;
+#endif
+
+        int processes;
+        int quiet;
+
+        struct rb_root *timeouts;
+
+        int use_cache;
+        int nevents;
+
+	char *magic_table[0xff];
+
+        int queue;
+
+        char *pattern;
+        int pattern_len;
+
+        char *base;
+        int base_len;
+
+        size_t post_buffering;
+        char *pb_base_dir;
+
+        struct uwsgi_string_list *static_nodes;
+        struct uwsgi_string_list *current_static_node;
+        int static_node_gracetime;
+
+        char *stats_server;
+        int fr_stats_server;
+
+        int use_socket;
+        int socket_num;
+        struct uwsgi_socket *to_socket;
+
+        struct uwsgi_subscribe_slot *subscriptions;
+        int subscription_regexp;
+
+        struct uwsgi_string_list *fallback;
+
+        int socket_timeout;
+
+        uint8_t code_string_modifier1;
+        char *code_string_code;
+        char *code_string_function;
+
+
+        struct uwsgi_rb_timer *subscriptions_check;
+
+        int cheap;
+        int i_am_cheap;
+
+        int tolerance;
+        int harakiri;
+
+        struct fastrouter_session **fr_table;
+
+};
+
+#ifdef UWSGI_SCTP
+struct uwsgi_fr_sctp_node {
+
+        int fd;
+	char name[64];
+        uint64_t requests;
+        struct uwsgi_fr_sctp_node *prev;
+        struct uwsgi_fr_sctp_node *next;
+};
+
+struct uwsgi_fr_sctp_node *uwsgi_fr_sctp_add_node(int);
+void uwsgi_fr_sctp_del_node(int);
+void uwsgi_opt_fastrouter_sctp(char *, char *, void *);
+
+#endif
+
+struct fastrouter_session {
+
+        int fd;
+        int instance_fd;
+        int status;
+        struct uwsgi_header uh;
+        uint8_t h_pos;
+        uint16_t pos;
+
+        char *hostname;
+        uint16_t hostname_len;
+
+        int has_key;
+        int retry;
+#ifdef UWSGI_SCTP
+        int persistent;
+#endif
+
+        char *instance_address;
+        uint64_t instance_address_len;
+
+        struct uwsgi_subscribe_node *un;
+        struct uwsgi_string_list *static_node;
+        int pass_fd;
+        int soopt;
+        int timed_out;
+
+        struct uwsgi_rb_timer *timeout;
+        int instance_failed;
+
+        size_t post_cl;
+        size_t post_remains;
+
+        struct uwsgi_string_list *fallback;
+
+        char *buf_file_name;
+        FILE *buf_file;
+
+        uint8_t modifier1;
+        uint8_t modifier2;
+
+        char *tmp_socket_name;
+
+        char buffer[0xffff];
+};
+
+
+void uwsgi_fastrouter_switch_events(struct fastrouter_session *, int intersting_fd, char **);
+void close_session(struct fastrouter_session *);
+void fr_get_hostname(char *, uint16_t, char *, uint16_t, void *);
+
+int uwsgi_fr_map_use_void(struct fastrouter_session *, char **);
+int uwsgi_fr_map_use_cache(struct fastrouter_session *, char **);
+int uwsgi_fr_map_use_pattern(struct fastrouter_session *, char **);
+int uwsgi_fr_map_use_subscription(struct fastrouter_session *, char **);
+int uwsgi_fr_map_use_base(struct fastrouter_session *, char **);
+int uwsgi_fr_map_use_cs(struct fastrouter_session *, char **);
+int uwsgi_fr_map_use_to(struct fastrouter_session *, char **);
+int uwsgi_fr_map_use_static_nodes(struct fastrouter_session *, char **);
+#ifdef UWSGI_SCTP
+int uwsgi_fr_map_use_sctp(struct fastrouter_session *, char **);
+#endif

plugins/fastrouter/fr_events.c

@@ -0,0 +1,428 @@
+#include "../../uwsgi.h"
+
+#include "fr.h"
+
+extern struct uwsgi_server uwsgi;
+extern struct uwsgi_fastrouter ufr;
+
+void uwsgi_fastrouter_switch_events(struct fastrouter_session *fr_session, int interesting_fd, char **magic_table) {
+
+	socklen_t solen = sizeof(int);
+	struct iovec iov[2];
+
+	struct msghdr msg;
+	union {
+		struct cmsghdr cmsg;
+		char control[CMSG_SPACE(sizeof(int))];
+	} msg_control;
+	struct cmsghdr *cmsg;
+
+	ssize_t len;
+	char *post_tmp_buf[0xffff];
+
+	switch (fr_session->status) {
+
+	case FASTROUTER_STATUS_RECV_HDR:
+		len = recv(fr_session->fd, (char *) (&fr_session->uh) + fr_session->h_pos, 4 - fr_session->h_pos, 0);
+		if (len <= 0) {
+			if (len < 0)
+				uwsgi_error("recv()");
+			close_session(fr_session);
+			break;
+		}
+		fr_session->h_pos += len;
+		if (fr_session->h_pos == 4) {
+#ifdef UWSGI_DEBUG
+			uwsgi_log("modifier1: %d pktsize: %d modifier2: %d\n", fr_session->uh.modifier1, fr_session->uh.pktsize, fr_session->uh.modifier2);
+#endif
+			fr_session->status = FASTROUTER_STATUS_RECV_VARS;
+		}
+		break;
+
+
+	case FASTROUTER_STATUS_RECV_VARS:
+
+		if (interesting_fd == -1) {
+			goto choose_node;
+		}
+
+		len = recv(fr_session->fd, fr_session->buffer + fr_session->pos, fr_session->uh.pktsize - fr_session->pos, 0);
+		if (len <= 0) {
+			uwsgi_error("recv()");
+			close_session(fr_session);
+			break;
+		}
+		fr_session->pos += len;
+		if (fr_session->pos == fr_session->uh.pktsize) {
+			if (uwsgi_hooked_parse(fr_session->buffer, fr_session->uh.pktsize, fr_get_hostname, (void *) fr_session)) {
+				close_session(fr_session);
+				break;
+			}
+
+			if (fr_session->hostname_len == 0) {
+				close_session(fr_session);
+				break;
+			}
+
+#ifdef UWSGI_DEBUG
+			//uwsgi_log("requested domain %.*s\n", fr_session->hostname_len, fr_session->hostname);
+#endif
+
+			// the mapper hook
+		      choose_node:
+			if (ufr.mapper(fr_session, magic_table))
+				break;
+
+			// no address found
+			if (!fr_session->instance_address_len) {
+				// if fallback nodes are configured, trigger them
+				if (ufr.fallback) {
+					fr_session->instance_failed = 1;
+				}
+				close_session(fr_session);
+				break;
+			}
+
+			if (ufr.post_buffering > 0 && fr_session->post_cl > ufr.post_buffering) {
+				fr_session->status = FASTROUTER_STATUS_BUFFERING;
+				fr_session->buf_file_name = uwsgi_tmpname(ufr.pb_base_dir, "uwsgiXXXXX");
+				if (!fr_session->buf_file_name) {
+					uwsgi_error("tempnam()");
+					close_session(fr_session);
+					break;
+				}
+				fr_session->post_remains = fr_session->post_cl;
+
+				// 2 + UWSGI_POSTFILE + 2 + fr_session->buf_file_name
+				if (fr_session->uh.pktsize + (2 + 14 + 2 + strlen(fr_session->buf_file_name)) > 0xffff) {
+					uwsgi_log("unable to buffer request body to file %s: not enough space\n", fr_session->buf_file_name);
+					close_session(fr_session);
+					break;
+				}
+
+				char *ptr = fr_session->buffer + fr_session->uh.pktsize;
+				uint16_t bfn_len = strlen(fr_session->buf_file_name);
+				*ptr++ = 14;
+				*ptr++ = 0;
+				memcpy(ptr, "UWSGI_POSTFILE", 14);
+				ptr += 14;
+				*ptr++ = (char) (bfn_len & 0xff);
+				*ptr++ = (char) ((bfn_len >> 8) & 0xff);
+				memcpy(ptr, fr_session->buf_file_name, bfn_len);
+				fr_session->uh.pktsize += 2 + 14 + 2 + bfn_len;
+
+
+				fr_session->buf_file = fopen(fr_session->buf_file_name, "w");
+				if (!fr_session->buf_file) {
+					uwsgi_error_open(fr_session->buf_file_name);
+					close_session(fr_session);
+					break;
+				}
+
+			}
+
+			else {
+
+				fr_session->pass_fd = is_unix(fr_session->instance_address, fr_session->instance_address_len);
+
+				fr_session->instance_fd = uwsgi_connectn(fr_session->instance_address, fr_session->instance_address_len, 0, 1);
+
+				if (fr_session->instance_fd < 0) {
+					fr_session->instance_failed = 1;
+					fr_session->soopt = errno;
+					close_session(fr_session);
+					break;
+				}
+
+
+				fr_session->status = FASTROUTER_STATUS_CONNECTING;
+				ufr.fr_table[fr_session->instance_fd] = fr_session;
+				event_queue_add_fd_write(ufr.queue, fr_session->instance_fd);
+			}
+		}
+		break;
+
+
+
+	case FASTROUTER_STATUS_CONNECTING:
+
+		if (interesting_fd == fr_session->instance_fd) {
+
+			if (getsockopt(fr_session->instance_fd, SOL_SOCKET, SO_ERROR, (void *) (&fr_session->soopt), &solen) < 0) {
+				uwsgi_error("getsockopt()");
+				fr_session->instance_failed = 1;
+				close_session(fr_session);
+				break;
+			}
+
+			if (fr_session->soopt) {
+				fr_session->instance_failed = 1;
+				close_session(fr_session);
+				break;
+			}
+
+			fr_session->uh.modifier1 = fr_session->modifier1;
+
+			iov[0].iov_base = &fr_session->uh;
+			iov[0].iov_len = 4;
+			iov[1].iov_base = fr_session->buffer;
+			iov[1].iov_len = fr_session->uh.pktsize;
+
+			// increment node requests counter
+			if (fr_session->un)
+				fr_session->un->requests++;
+
+			// fd passing: PERFORMANCE EXTREME BOOST !!!
+			if (fr_session->pass_fd && !uwsgi.no_fd_passing) {
+				msg.msg_name = NULL;
+				msg.msg_namelen = 0;
+				msg.msg_iov = iov;
+				msg.msg_iovlen = 2;
+				msg.msg_flags = 0;
+				msg.msg_control = &msg_control;
+				msg.msg_controllen = sizeof(msg_control);
+
+				cmsg = CMSG_FIRSTHDR(&msg);
+				cmsg->cmsg_len = CMSG_LEN(sizeof(int));
+				cmsg->cmsg_level = SOL_SOCKET;
+				cmsg->cmsg_type = SCM_RIGHTS;
+
+				memcpy(CMSG_DATA(cmsg), &fr_session->fd, sizeof(int));
+
+				if (sendmsg(fr_session->instance_fd, &msg, 0) < 0) {
+					uwsgi_error("sendmsg()");
+				}
+
+				close_session(fr_session);
+				break;
+			}
+
+			if (writev(fr_session->instance_fd, iov, 2) < 0) {
+				uwsgi_error("writev()");
+				close_session(fr_session);
+				break;
+			}
+
+			event_queue_fd_write_to_read(ufr.queue, fr_session->instance_fd);
+			fr_session->status = FASTROUTER_STATUS_RESPONSE;
+		}
+
+		break;
+#ifdef UWSGI_SCTP
+	case FASTROUTER_STATUS_SCTP_NODE_FREE:
+
+		{
+			struct sctp_sndrcvinfo sinfo;
+			int msg_flags = 0;
+
+			memset(&sinfo, 0, sizeof(struct sctp_sndrcvinfo));
+			len = sctp_recvmsg(interesting_fd, fr_session->buffer, 0xffff, NULL, NULL, &sinfo, &msg_flags);
+			// remove the SCTP node
+			uwsgi_log("[0] removing SCTP node %d flags = %d len = %d\n", interesting_fd, msg_flags, len);
+			uwsgi_fr_sctp_del_node(interesting_fd);
+			if (ufr.fr_table[interesting_fd]->timeout) {
+				del_timeout(ufr.fr_table[interesting_fd]);
+			}
+			free(ufr.fr_table[interesting_fd]);
+			ufr.fr_table[interesting_fd] = NULL;
+			close(interesting_fd);
+		}
+
+		break;
+	case FASTROUTER_STATUS_SCTP_RESPONSE:
+
+		// data from instance
+		if (interesting_fd == fr_session->instance_fd) {
+			struct sctp_sndrcvinfo sinfo;
+			struct uwsgi_header *uh;
+			int msg_flags = 0;
+			memset(&sinfo, 0, sizeof(struct sctp_sndrcvinfo));
+			len = sctp_recvmsg(fr_session->instance_fd, fr_session->buffer, 0xffff, NULL, NULL, &sinfo, &msg_flags);
+			if (len <= 0) {
+				if (len < 0)
+					uwsgi_error("recv()");
+				close_session(ufr.fr_table[fr_session->fd]);
+				// REMOVE THE NODE
+				uwsgi_log("[1] removing SCTP node %d flags = %d len = %d\n", interesting_fd, msg_flags, len);
+				uwsgi_fr_sctp_del_node(interesting_fd);
+				if (ufr.fr_table[interesting_fd]->timeout) {
+					del_timeout(ufr.fr_table[interesting_fd]);
+				}
+				free(ufr.fr_table[interesting_fd]);
+				ufr.fr_table[interesting_fd] = NULL;
+				close(interesting_fd);
+				break;
+			}
+
+
+			if (fr_session->fd != -1 && sinfo.sinfo_stream != fr_session->fd) {
+				if (fr_session->fd != -1) {
+					uwsgi_log("INVALID SCTP STREAM !!!\n");
+					close_session(ufr.fr_table[fr_session->fd]);
+				}
+				break;
+			}
+
+			uh = (struct uwsgi_header *) &sinfo.sinfo_ppid;
+
+			// check for close packet
+			if (uh->modifier1 == 200) {
+				fr_session->status = FASTROUTER_STATUS_SCTP_NODE_FREE;
+				if (fr_session->fd != -1) {
+					close_session(ufr.fr_table[fr_session->fd]);
+				}
+				break;
+			}
+
+			if (fr_session->fd == -1) {
+				break;		
+			}
+
+			len = send(fr_session->fd, fr_session->buffer, len, 0);
+
+			if (len <= 0) {
+				if (len < 0)
+					uwsgi_error("send()");
+				close_session(ufr.fr_table[fr_session->fd]);
+				break;
+			}
+
+			// update transfer statistics
+			if (fr_session->un)
+				fr_session->un->transferred += len;
+
+		}
+		// body from client
+		else if (interesting_fd == fr_session->fd) {
+
+			len = recv(fr_session->fd, fr_session->buffer, 0xffff, 0);
+			if (len <= 0) {
+				if (len < 0)
+					uwsgi_error("recv()");
+				// mark session as broken
+				ufr.fr_table[fr_session->instance_fd]->fd = -1;
+				close_session(fr_session);
+				break;
+			}
+
+			struct sctp_sndrcvinfo sinfo;
+			memset(&sinfo, 0, sizeof(struct sctp_sndrcvinfo));
+			// map the stream id to the file descriptor 
+			struct uwsgi_header uh;
+			uh.modifier1 = 199;
+			uh.pktsize = 0;
+			uh.modifier2 = 0;
+			memcpy(&sinfo.sinfo_ppid, &uh, sizeof(uint32_t));
+			sinfo.sinfo_stream = fr_session->fd;
+
+			len = sctp_send(fr_session->instance_fd, fr_session->buffer, len, &sinfo, 0);
+
+			if (len <= 0) {
+				if (len < 0)
+					uwsgi_error("send()");
+				close_session(fr_session);
+				break;
+			}
+		}
+
+		break;
+#endif
+	case FASTROUTER_STATUS_RESPONSE:
+
+		// data from instance
+		if (interesting_fd == fr_session->instance_fd) {
+			len = recv(fr_session->instance_fd, fr_session->buffer, 0xffff, 0);
+			if (len <= 0) {
+				if (len < 0)
+					uwsgi_error("recv()");
+				close_session(fr_session);
+				break;
+			}
+
+			len = send(fr_session->fd, fr_session->buffer, len, 0);
+
+			if (len <= 0) {
+				if (len < 0)
+					uwsgi_error("send()");
+				close_session(fr_session);
+				break;
+			}
+
+			// update transfer statistics
+			if (fr_session->un)
+				fr_session->un->transferred += len;
+		}
+		// body from client
+		else if (interesting_fd == fr_session->fd) {
+
+			//uwsgi_log("receiving body...\n");
+			len = recv(fr_session->fd, fr_session->buffer, 0xffff, 0);
+			if (len <= 0) {
+				if (len < 0)
+					uwsgi_error("recv()");
+				close_session(fr_session);
+				break;
+			}
+
+
+			len = send(fr_session->instance_fd, fr_session->buffer, len, 0);
+
+			if (len <= 0) {
+				if (len < 0)
+					uwsgi_error("send()");
+				close_session(fr_session);
+				break;
+			}
+		}
+
+		break;
+
+	case FASTROUTER_STATUS_BUFFERING:
+		len = recv(fr_session->fd, post_tmp_buf, UMIN(0xffff, fr_session->post_remains), 0);
+		if (len <= 0) {
+			if (len < 0)
+				uwsgi_error("recv()");
+			close_session(fr_session);
+			break;
+		}
+
+		if (fwrite(post_tmp_buf, len, 1, fr_session->buf_file) != 1) {
+			uwsgi_error("fwrite()");
+			close_session(fr_session);
+			break;
+		}
+
+		fr_session->post_remains -= len;
+
+		if (fr_session->post_remains == 0) {
+			// close the buf_file ASAP
+			fclose(fr_session->buf_file);
+			fr_session->buf_file = NULL;
+
+			fr_session->pass_fd = is_unix(fr_session->instance_address, fr_session->instance_address_len);
+
+			fr_session->instance_fd = uwsgi_connectn(fr_session->instance_address, fr_session->instance_address_len, 0, 1);
+
+			if (fr_session->instance_fd < 0) {
+				fr_session->instance_failed = 1;
+				close_session(fr_session);
+				break;
+			}
+
+			fr_session->status = FASTROUTER_STATUS_CONNECTING;
+			ufr.fr_table[fr_session->instance_fd] = fr_session;
+			event_queue_add_fd_write(ufr.queue, fr_session->instance_fd);
+		}
+		break;
+
+
+
+
+		// fallback to destroy !!!
+	default:
+		uwsgi_log("unknown event: closing session\n");
+		close_session(fr_session);
+		break;
+
+	}
+}

plugins/fastrouter/fr_map.c

@@ -0,0 +1,190 @@
+#include "../../uwsgi.h"
+
+#include "fr.h"
+
+extern struct uwsgi_server uwsgi;
+extern struct uwsgi_fastrouter ufr;
+
+#ifdef UWSGI_SCTP
+extern struct uwsgi_fr_sctp_node **uwsgi_fastrouter_sctp_nodes;
+extern struct uwsgi_fr_sctp_node **uwsgi_fastrouter_sctp_nodes_current;
+#endif
+
+
+int uwsgi_fr_map_use_void(struct fastrouter_session *fr_session, char **magic_table) {
+	return 0;
+}
+
+int uwsgi_fr_map_use_cache(struct fastrouter_session *fr_session, char **magic_table) {
+	fr_session->instance_address = uwsgi_cache_get(fr_session->hostname, fr_session->hostname_len, &fr_session->instance_address_len);
+	char *cs_mod = uwsgi_str_contains(fr_session->instance_address, fr_session->instance_address_len, ',');
+	if (cs_mod) {
+		fr_session->modifier1 = uwsgi_str_num(cs_mod + 1, (fr_session->instance_address_len - (cs_mod - fr_session->instance_address)) - 1);
+		fr_session->instance_address_len = (cs_mod - fr_session->instance_address);
+	}
+	return 0;
+}
+
+int uwsgi_fr_map_use_pattern(struct fastrouter_session *fr_session, char **magic_table) {
+	int tmp_socket_name_len = 0;
+	magic_table['s'] = uwsgi_concat2n(fr_session->hostname, fr_session->hostname_len, "", 0);
+	fr_session->tmp_socket_name = magic_sub(ufr.pattern, ufr.pattern_len, &tmp_socket_name_len, magic_table);
+	free(magic_table['s']);
+	fr_session->instance_address_len = tmp_socket_name_len;
+	fr_session->instance_address = fr_session->tmp_socket_name;
+	return 0;
+}
+
+
+int uwsgi_fr_map_use_subscription(struct fastrouter_session *fr_session, char **magic_table) {
+
+	fr_session->un = uwsgi_get_subscribe_node(&ufr.subscriptions, fr_session->hostname, fr_session->hostname_len, ufr.subscription_regexp);
+	if (fr_session->un && fr_session->un->len) {
+		fr_session->instance_address = fr_session->un->name;
+		fr_session->instance_address_len = fr_session->un->len;
+		fr_session->modifier1 = fr_session->un->modifier1;
+	}
+	else if (ufr.subscriptions == NULL && ufr.cheap && !ufr.i_am_cheap) {
+		uwsgi_gateway_go_cheap("uWSGI fastrouter", ufr.queue, &ufr.i_am_cheap);
+	}
+
+	return 0;
+}
+
+int uwsgi_fr_map_use_base(struct fastrouter_session *fr_session, char **magic_table) {
+
+	int tmp_socket_name_len = 0;
+
+	fr_session->tmp_socket_name = uwsgi_concat2nn(ufr.base, ufr.base_len, fr_session->hostname, fr_session->hostname_len, &tmp_socket_name_len);
+	fr_session->instance_address_len = tmp_socket_name_len;
+	fr_session->instance_address = fr_session->tmp_socket_name;
+	
+	return 0;
+}
+
+
+int uwsgi_fr_map_use_cs(struct fastrouter_session *fr_session, char **magic_table) {
+	if (uwsgi.p[ufr.code_string_modifier1]->code_string) {
+		fr_session->instance_address = uwsgi.p[ufr.code_string_modifier1]->code_string("uwsgi_fastrouter", ufr.code_string_code, ufr.code_string_function, fr_session->hostname, fr_session->hostname_len);
+		if (fr_session->instance_address) {
+			fr_session->instance_address_len = strlen(fr_session->instance_address);
+			char *cs_mod = uwsgi_str_contains(fr_session->instance_address, fr_session->instance_address_len, ',');
+			if (cs_mod) {
+				fr_session->modifier1 = uwsgi_str_num(cs_mod + 1, (fr_session->instance_address_len - (cs_mod - fr_session->instance_address)) - 1);
+				fr_session->instance_address_len = (cs_mod - fr_session->instance_address);
+			}
+		}
+	}
+	return 0;
+}
+
+int uwsgi_fr_map_use_to(struct fastrouter_session *fr_session, char **magic_table) {
+	fr_session->instance_address = ufr.to_socket->name;
+	fr_session->instance_address_len = ufr.to_socket->name_len;
+	return 0;
+}
+
+int uwsgi_fr_map_use_static_nodes(struct fastrouter_session *fr_session, char **magic_table) {
+		if (!ufr.current_static_node) {
+			ufr.current_static_node = ufr.static_nodes;
+		}
+
+		fr_session->static_node = ufr.current_static_node;
+
+		// is it a dead node ?
+		if (fr_session->static_node->custom > 0) {
+
+			// gracetime passed ?
+			if (fr_session->static_node->custom + ufr.static_node_gracetime <= (uint64_t) uwsgi_now()) {
+				fr_session->static_node->custom = 0;
+			}
+			else {
+				struct uwsgi_string_list *tmp_node = fr_session->static_node;
+				struct uwsgi_string_list *next_node = fr_session->static_node->next;
+				fr_session->static_node = NULL;
+				// needed for 1-node only setups
+				if (!next_node)
+					next_node = ufr.static_nodes;
+
+					while (tmp_node != next_node) {
+						if (!next_node) {
+							next_node = ufr.static_nodes;
+						}
+
+						if (tmp_node == next_node)
+							break;
+
+						if (next_node->custom == 0) {
+							fr_session->static_node = next_node;
+							break;
+						}
+						next_node = next_node->next;
+					}
+				}
+			}
+
+			if (fr_session->static_node) {
+
+				fr_session->instance_address = fr_session->static_node->value;
+				fr_session->instance_address_len = fr_session->static_node->len;
+				// set the next one
+				ufr.current_static_node = fr_session->static_node->next;
+			}
+			else {
+				// set the next one
+				ufr.current_static_node = ufr.current_static_node->next;
+			}
+	
+	return 0;
+
+}
+
+#ifdef UWSGI_SCTP
+
+int uwsgi_fr_map_use_sctp(struct fastrouter_session *fr_session, char **magic_table) {	
+
+	if (!*uwsgi_fastrouter_sctp_nodes_current)
+		*uwsgi_fastrouter_sctp_nodes_current = *uwsgi_fastrouter_sctp_nodes;
+
+	struct uwsgi_fr_sctp_node *ufsn = *uwsgi_fastrouter_sctp_nodes_current;
+	int choosen_fd = -1;
+	// find the first available server
+	while (ufsn) {
+		if (ufr.fr_table[ufsn->fd]->status == FASTROUTER_STATUS_SCTP_NODE_FREE) {
+			ufsn->requests++;
+			choosen_fd = ufsn->fd;
+			break;
+		}
+		if (ufsn->next == *uwsgi_fastrouter_sctp_nodes_current) {
+			break;
+		}
+
+		ufsn = ufsn->next;
+	}
+
+	// no nodes available
+	if (choosen_fd == -1) {
+		fr_session->retry = 1;
+		del_timeout(fr_session);
+		fr_session->timeout = add_fake_timeout(fr_session);
+		return -1;
+	}
+
+	struct sctp_sndrcvinfo sinfo;
+	memset(&sinfo, 0, sizeof(struct sctp_sndrcvinfo));
+	memcpy(&sinfo.sinfo_ppid, &fr_session->uh, sizeof(uint32_t));
+	sinfo.sinfo_stream = fr_session->fd;
+	ssize_t len = sctp_send(choosen_fd, fr_session->buffer, fr_session->uh.pktsize, &sinfo, 0);
+	if (len < 0)
+		uwsgi_error("sctp_send()");
+
+	fr_session->instance_fd = choosen_fd;
+	fr_session->status = FASTROUTER_STATUS_SCTP_RESPONSE;
+	ufr.fr_table[fr_session->instance_fd]->status = FASTROUTER_STATUS_SCTP_RESPONSE;
+	ufr.fr_table[fr_session->instance_fd]->fd = fr_session->fd;
+
+	// round robin
+	*uwsgi_fastrouter_sctp_nodes_current = (*uwsgi_fastrouter_sctp_nodes_current)->next;
+	return -1;
+}
+#endif

plugins/fastrouter/fr_sctp.c

@@ -0,0 +1,103 @@
+#ifdef UWSGI_SCTP
+
+#include "../../uwsgi.h"
+
+#include "fr.h"
+
+extern struct uwsgi_fastrouter ufr;
+
+struct uwsgi_fr_sctp_node **uwsgi_fastrouter_sctp_nodes;
+struct uwsgi_fr_sctp_node **uwsgi_fastrouter_sctp_nodes_current;
+
+struct uwsgi_fr_sctp_node *uwsgi_fr_sctp_add_node(int fd) {
+
+        struct uwsgi_fr_sctp_node *ufsn = *uwsgi_fastrouter_sctp_nodes;
+
+        if (!ufsn) {
+                *uwsgi_fastrouter_sctp_nodes = uwsgi_malloc(sizeof(struct uwsgi_fr_sctp_node));
+                (*uwsgi_fastrouter_sctp_nodes)->next = *uwsgi_fastrouter_sctp_nodes;
+                (*uwsgi_fastrouter_sctp_nodes)->prev = *uwsgi_fastrouter_sctp_nodes;
+                (*uwsgi_fastrouter_sctp_nodes)->requests = 0;
+                (*uwsgi_fastrouter_sctp_nodes)->fd = fd;
+
+		*uwsgi_fastrouter_sctp_nodes_current = *uwsgi_fastrouter_sctp_nodes;
+
+        }
+        else {
+                while(ufsn) {
+                        if (ufsn->next == *uwsgi_fastrouter_sctp_nodes) {
+                                break;
+                        }
+                        ufsn = ufsn->next;
+                }
+
+                ufsn->next = uwsgi_malloc(sizeof(struct uwsgi_fr_sctp_node));
+                ufsn->next->next = *uwsgi_fastrouter_sctp_nodes;
+                ufsn->next->prev = ufsn;
+                ufsn->next->requests = 0;
+                ufsn->next->fd = fd;
+
+		(*uwsgi_fastrouter_sctp_nodes)->prev = ufsn->next;
+		*uwsgi_fastrouter_sctp_nodes_current = ufsn->next;
+
+        }
+
+        return *uwsgi_fastrouter_sctp_nodes_current;
+
+}
+
+void uwsgi_fr_sctp_del_node(int fd) {
+
+	struct uwsgi_fr_sctp_node *ufsn = *uwsgi_fastrouter_sctp_nodes;
+	while(ufsn) {
+	
+		if (ufsn->fd == fd) {
+
+			struct uwsgi_fr_sctp_node *prev = ufsn->prev;
+			struct uwsgi_fr_sctp_node *next = ufsn->next;
+
+			// am i the only node ?
+			if (prev == ufsn) {
+				free(ufsn);	
+				*uwsgi_fastrouter_sctp_nodes = NULL;
+				*uwsgi_fastrouter_sctp_nodes_current = NULL;
+				break;
+			}
+
+			prev->next = next;
+			next->prev = prev;
+
+			// am i the first node ?
+			if (ufsn == *uwsgi_fastrouter_sctp_nodes) {
+				*uwsgi_fastrouter_sctp_nodes = next;
+				*uwsgi_fastrouter_sctp_nodes_current = next;
+				free(ufsn);
+				break;
+			}
+
+			if (*uwsgi_fastrouter_sctp_nodes_current == ufsn) {
+				*uwsgi_fastrouter_sctp_nodes_current = *uwsgi_fastrouter_sctp_nodes;
+			}
+
+			free(ufsn);
+			break;
+		}
+
+		if (ufsn->next == *uwsgi_fastrouter_sctp_nodes) {
+			break;
+		}
+
+		ufsn = ufsn->next;
+	}
+
+}
+
+void uwsgi_opt_fastrouter_sctp(char *opt, char *value, void *foobar) {
+
+        struct uwsgi_gateway_socket *ugs = uwsgi_new_gateway_socket(value, "uWSGI fastrouter");
+        ugs->sctp = 1;
+        ufr.has_sctp_sockets++;
+
+}
+#endif
+

plugins/fastrouter/uwsgiplugin.py

@@ -4,4 +4,4 @@ CFLAGS = []
 LDFLAGS = []
 LIBS = []
 
-GCC_LIST = ['fastrouter']
+GCC_LIST = ['fr_sctp', 'fr_map', 'fastrouter', 'fr_events']

plugins/fiber/fiber.c

@@ -7,10 +7,6 @@ struct ufib {
 	VALUE *fib;
 } ufiber;
 
-struct option fiber_options[] = {
-	{ 0, 0, 0, 0 }
-};
-
 VALUE uwsgi_fiber_request() {
 
 	uwsgi.wsgi_req->async_status = uwsgi.p[uwsgi.wsgi_req->uh.modifier1]->request(uwsgi.wsgi_req);
@@ -58,14 +54,13 @@ void fiber_loop() {
         uwsgi.schedule_to_main = fiber_schedule_to_main;
         uwsgi.schedule_to_req = fiber_schedule_to_req;
 
-	// must run all the rack/ruby plugins without protection
 	ur.unprotected = 1;
 
         rb_protect(protected_async_loop, 0, &error);
 
         if (error) {
                 uwsgi_ruby_exception();
-                exit(1);
+		exit(1);
         }
 
         // never here
@@ -81,5 +76,4 @@ struct uwsgi_plugin fiber_plugin = {
 
 	.name = "fiber",
 	.init = fiber_init,
-	.options = fiber_options,
 };

plugins/fiber/uwsgiplugin.py

@@ -9,6 +9,7 @@ NAME='fiber'
 CFLAGS = os.popen(RUBYPATH + " -e \"require 'rbconfig';print Config::CONFIG['CFLAGS']\"").read().rstrip().split()
 
 CFLAGS.append('-Wno-unused-parameter')
+CFLAGS.append('-DRUBY19')
 
 includedir = os.popen(RUBYPATH + " -e \"require 'rbconfig';print Config::CONFIG['rubyhdrdir']\"").read().rstrip()
 if includedir == 'nil':

plugins/gevent/gevent.c

@@ -0,0 +1,349 @@
+#include "../python/uwsgi_python.h"
+
+extern struct uwsgi_server uwsgi;
+extern struct uwsgi_python up;
+
+#define GEVENT_SWITCH PyObject *gswitch = python_call(ugevent.greenlet_switch, ugevent.greenlet_switch_args, 0, NULL); Py_DECREF(gswitch)
+#define GET_CURRENT_GREENLET python_call(ugevent.get_current, ugevent.get_current_args, 0, NULL)
+#define free_req_queue uwsgi.async_queue_unused_ptr++; uwsgi.async_queue_unused[uwsgi.async_queue_unused_ptr] = wsgi_req
+#define stop_the_watchers ret = PyObject_CallMethod(timer, "stop", NULL);\
+                          if (ret) { Py_DECREF(ret); }\
+                          ret = PyObject_CallMethod(watcher, "stop", NULL);\
+                          if (ret) { Py_DECREF(ret); }
+
+struct uwsgi_gevent {
+	PyObject *greenlet_switch;
+	PyObject *greenlet_switch_args;
+	PyObject *get_current;
+	PyObject *get_current_args;
+	PyObject *hub;
+	PyObject *hub_loop;
+	PyObject *spawn;
+	PyObject *greenlet_args;
+	PyObject *signal_args;
+} ugevent;
+
+
+struct wsgi_request *uwsgi_gevent_current_wsgi_req(void) {
+	PyObject *current_greenlet = GET_CURRENT_GREENLET;
+	PyObject *py_wsgi_req = PyObject_GetAttrString(current_greenlet, "uwsgi_wsgi_req");
+	return (struct wsgi_request*) PyLong_AsLong(py_wsgi_req);
+}
+
+
+
+PyObject *py_uwsgi_gevent_signal_handler(PyObject * self, PyObject * args) {
+
+	int signal_socket;
+
+	if (!PyArg_ParseTuple(args, "i:uwsgi_gevent_signal_handler", &signal_socket)) {
+        	return NULL;
+	}
+
+	uwsgi_receive_signal(signal_socket, "worker", uwsgi.mywid);
+
+	Py_INCREF(Py_None);
+	return Py_None;
+}
+
+// the following twi functions are called whenever an event is available in the signal queue
+// they both trigger the same function
+PyObject *py_uwsgi_gevent_signal(PyObject * self, PyObject * args) {
+
+	PyTuple_SetItem(ugevent.signal_args, 1, PyInt_FromLong(uwsgi.signal_socket));
+
+	// spawn the signal_handler greenlet
+        PyObject *new_gl = python_call(ugevent.spawn, ugevent.signal_args, 0, NULL);
+        Py_DECREF(new_gl);
+
+	Py_INCREF(Py_None);
+	return Py_None;
+	
+}
+
+// yes copy&paste no-DRY for me :P
+PyObject *py_uwsgi_gevent_my_signal(PyObject * self, PyObject * args) {
+
+	PyTuple_SetItem(ugevent.signal_args, 1, PyInt_FromLong(uwsgi.my_signal_socket));
+
+	// spawn the signal_handler greenlet
+        PyObject *new_gl = python_call(ugevent.spawn, ugevent.signal_args, 0, NULL);
+        Py_DECREF(new_gl);
+
+	Py_INCREF(Py_None);
+	return Py_None;
+}
+
+
+PyObject *py_uwsgi_gevent_main(PyObject * self, PyObject * args) {
+
+
+	struct wsgi_request *wsgi_req = find_first_available_wsgi_req();
+
+	if (wsgi_req == NULL) {
+		uwsgi_log("async queue is full !!!\n");
+		goto clear;
+	}
+
+	// fill wsgi_request structure
+	wsgi_req_setup(wsgi_req, wsgi_req->async_id, uwsgi.sockets );
+
+	// mark core as used
+	uwsgi.core[wsgi_req->async_id]->in_request = 1;
+
+	gettimeofday(&wsgi_req->start_of_request, NULL);
+
+	// enter harakiri mode
+        if (uwsgi.shared->options[UWSGI_OPTION_HARAKIRI] > 0) {
+                set_harakiri(uwsgi.shared->options[UWSGI_OPTION_HARAKIRI]);
+        }
+
+	// accept the connection
+	if (wsgi_req_simple_accept(wsgi_req, uwsgi.sockets->fd)) {
+		free_req_queue;
+		goto clear;
+	}
+
+	// hack to easily pass wsgi_req pointer to the greenlet
+	PyTuple_SetItem(ugevent.greenlet_args, 1, PyLong_FromLong((long)wsgi_req));
+
+	// spawn the request greenlet
+	PyObject *new_gl = python_call(ugevent.spawn, ugevent.greenlet_args, 0, NULL);
+	Py_DECREF(new_gl);
+
+clear:
+	Py_INCREF(Py_None);
+	return Py_None;
+}
+
+PyObject *uwsgi_gevent_wait(PyObject *watcher, PyObject *timer, PyObject *current) {
+
+	PyObject *ret;
+
+	// start the io watcher
+	ret = PyObject_CallMethod(watcher, "start", "OO", current, watcher);
+	if (!ret) return NULL;
+	Py_DECREF(ret);
+
+	// start the timeout handler
+	ret = PyObject_CallMethod(timer, "start", "OO", current, timer);
+	if (!ret) return NULL;
+	Py_DECREF(ret);
+
+	// pass control to the hub
+	return PyObject_CallMethod(ugevent.hub, "switch", NULL);
+}
+
+PyObject *py_uwsgi_gevent_request(PyObject * self, PyObject * args) {
+
+	PyObject *ret;
+	PyObject *py_wsgi_req = PyTuple_GetItem(args, 0);
+	struct wsgi_request *wsgi_req = (struct wsgi_request *) PyLong_AsLong(py_wsgi_req);
+	int status ;
+
+	PyObject *current_greenlet = GET_CURRENT_GREENLET;
+	// another hack to retrieve the current wsgi_req;
+	PyObject_SetAttrString(current_greenlet, "uwsgi_wsgi_req", py_wsgi_req);
+	PyObject *greenlet_switch = PyObject_GetAttrString(current_greenlet, "switch");
+
+	// create a watcher for request socket
+	PyObject *watcher = PyObject_CallMethod(ugevent.hub_loop, "io", "ii", wsgi_req->poll.fd, 1);
+	if (!watcher) goto clear1;
+
+	// a timer to implement timeoit (thanks Denis)
+	PyObject *timer = PyObject_CallMethod(ugevent.hub_loop, "timer", "i", uwsgi.shared->options[UWSGI_OPTION_SOCKET_TIMEOUT]);
+	if (!timer) goto clear0;
+
+	for(;;) {
+		// wait for data in the socket
+		PyObject *ret = uwsgi_gevent_wait(watcher, timer, greenlet_switch);
+		if (!ret) goto clear_and_stop;
+
+		// we can safely decref here as watcher and timer has got a +1 for start() method
+		Py_DECREF(ret);
+		if (ret == timer) {
+			uwsgi_log( "timeout. skip request.\n");
+			goto clear_and_stop;
+		}
+		else if (ret == watcher) {
+			status = wsgi_req->socket->proto(wsgi_req);
+			if (status < 0) {
+				goto clear_and_stop;
+			}
+			else if (status == 0) {
+				stop_the_watchers;
+				break;
+			}
+		}
+		else {
+			uwsgi_log("unrecognized gevent event !!!\n");
+			goto clear_and_stop;
+		}
+
+		stop_the_watchers;
+	}
+
+	for(;;) {
+		wsgi_req->async_status = uwsgi.p[wsgi_req->uh.modifier1]->request(wsgi_req);
+		if (wsgi_req->async_status <= UWSGI_OK) {
+			goto clear;
+		}
+		wsgi_req->switches++;
+		// switch after each yield
+		GEVENT_SWITCH;
+	}
+
+	goto clear;
+
+clear_and_stop:
+
+	stop_the_watchers;
+
+clear:
+	Py_DECREF(timer);
+clear0:
+	Py_DECREF(watcher);
+clear1:
+	Py_DECREF(greenlet_switch);
+	Py_DECREF(current_greenlet);
+	uwsgi_close_request(wsgi_req);
+
+	free_req_queue;
+
+	Py_INCREF(Py_None);
+	return Py_None;
+
+
+}
+
+PyMethodDef uwsgi_gevent_main_def[] = { {"uwsgi_gevent_main", py_uwsgi_gevent_main, METH_VARARGS, ""} };
+PyMethodDef uwsgi_gevent_request_def[] = { {"uwsgi_gevent_request", py_uwsgi_gevent_request, METH_VARARGS, ""} };
+PyMethodDef uwsgi_gevent_signal_def[] = { {"uwsgi_gevent_signal", py_uwsgi_gevent_signal, METH_VARARGS, ""} };
+PyMethodDef uwsgi_gevent_my_signal_def[] = { {"uwsgi_gevent_my_signal", py_uwsgi_gevent_my_signal, METH_VARARGS, ""} };
+PyMethodDef uwsgi_gevent_signal_handler_def[] = { {"uwsgi_gevent_signal_handler", py_uwsgi_gevent_signal_handler, METH_VARARGS, ""} };
+
+
+void gevent_loop() {
+
+	if (!uwsgi.has_threads && uwsgi.mywid == 1) {
+		uwsgi_log("!!! Running gevent without threads IS NOT recommended, enable them with --enable-threads !!!\n");
+	}
+
+	// get the GIL
+	UWSGI_GET_GIL
+
+	// ..then reset GIL subsystem as noop (gevent IO will take care of it...)
+	up.gil_get = gil_fake_get;
+        up.gil_release = gil_fake_release;
+
+	struct uwsgi_socket *uwsgi_sock = uwsgi.sockets;
+
+	if (uwsgi.async < 2) {
+		uwsgi_log("the gevent loop engine requires async mode (--async <n>)\n");
+		exit(1);
+	}
+
+	uwsgi.current_wsgi_req = uwsgi_gevent_current_wsgi_req;
+
+	PyObject *gevent_dict = get_uwsgi_pydict("gevent");
+	if (!gevent_dict) uwsgi_pyexit;
+
+	PyObject *gevent_version = PyDict_GetItemString(gevent_dict, "version_info");
+	if (!gevent_version) uwsgi_pyexit;
+
+	if (PyInt_AsLong(PyTuple_GetItem(gevent_version, 0)) < 1) {
+		uwsgi_log("uWSGI requires at least gevent 1.x version\n");
+		exit(1);
+	}
+
+	ugevent.spawn = PyDict_GetItemString(gevent_dict, "spawn");
+	if (!ugevent.spawn) uwsgi_pyexit;
+
+	ugevent.greenlet_switch = PyDict_GetItemString(gevent_dict, "sleep");
+	if (!ugevent.greenlet_switch) uwsgi_pyexit;
+
+	ugevent.greenlet_switch_args = PyTuple_New(0);
+	Py_INCREF(ugevent.greenlet_switch_args);
+	
+
+	PyObject *gevent_get_hub = PyDict_GetItemString(gevent_dict, "get_hub");
+
+	ugevent.hub = python_call(gevent_get_hub, PyTuple_New(0), 0, NULL);
+	if (!ugevent.hub) uwsgi_pyexit;
+
+	ugevent.get_current = PyDict_GetItemString(gevent_dict, "getcurrent");
+	if (!ugevent.get_current) uwsgi_pyexit;
+
+	ugevent.get_current_args = PyTuple_New(0);
+	Py_INCREF(ugevent.get_current_args);
+	
+
+	ugevent.hub_loop = PyObject_GetAttrString(ugevent.hub, "loop");
+	if (!ugevent.hub_loop) uwsgi_pyexit;
+
+	// this is the watcher for server socket
+	PyObject *watcher = PyObject_CallMethod(ugevent.hub_loop, "io", "ii", uwsgi_sock->fd, 1);
+	if (!watcher) uwsgi_pyexit;
+
+	// main greenlet waiting for connection
+	PyObject *uwsgi_gevent_main = PyCFunction_New(uwsgi_gevent_main_def, NULL);
+	Py_INCREF(uwsgi_gevent_main);
+
+	// greenlet to run at each request
+	PyObject *uwsgi_request_greenlet = PyCFunction_New(uwsgi_gevent_request_def, NULL);
+	Py_INCREF(uwsgi_request_greenlet);
+
+	// pre-fill the greenlet args
+	ugevent.greenlet_args = PyTuple_New(2);
+	PyTuple_SetItem(ugevent.greenlet_args, 0, uwsgi_request_greenlet);
+
+	if (uwsgi.signal_socket > -1) {
+		// and these are the watcher for signal sockets
+
+		PyObject *signal_watcher = PyObject_CallMethod(ugevent.hub_loop, "io", "ii", uwsgi.signal_socket, 1);
+        	if (!signal_watcher) uwsgi_pyexit;
+
+		PyObject *my_signal_watcher = PyObject_CallMethod(ugevent.hub_loop, "io", "ii", uwsgi.my_signal_socket, 1);
+        	if (!my_signal_watcher) uwsgi_pyexit;
+
+		PyObject *uwsgi_greenlet_signal = PyCFunction_New(uwsgi_gevent_signal_def, NULL);
+        	Py_INCREF(uwsgi_greenlet_signal);
+
+		PyObject *uwsgi_greenlet_my_signal = PyCFunction_New(uwsgi_gevent_my_signal_def, NULL);
+        	Py_INCREF(uwsgi_greenlet_my_signal);
+
+		PyObject *uwsgi_greenlet_signal_handler = PyCFunction_New(uwsgi_gevent_signal_handler_def, NULL);
+        	Py_INCREF(uwsgi_greenlet_signal_handler);
+
+		ugevent.signal_args = PyTuple_New(2);
+		PyTuple_SetItem(ugevent.signal_args, 0, uwsgi_greenlet_signal_handler);
+
+		// start the two signal watchers
+		if (!PyObject_CallMethod(signal_watcher, "start", "O", uwsgi_greenlet_signal)) uwsgi_pyexit;
+		if (!PyObject_CallMethod(my_signal_watcher, "start", "O", uwsgi_greenlet_my_signal)) uwsgi_pyexit;
+
+	}
+	
+	// start the main greenlet
+	PyObject_CallMethod(watcher, "start", "O", uwsgi_gevent_main);
+
+	if (!PyObject_CallMethod(ugevent.hub, "join", NULL)) {
+		PyErr_Print();
+	}
+
+	uwsgi_log("the gevent Hub is no more :(\n");
+
+}
+
+int gevent_init() {
+
+	uwsgi_register_loop( (char *) "gevent", gevent_loop);
+	return 0;
+}
+
+
+struct uwsgi_plugin gevent_plugin = {
+
+	.name = "gevent",
+	.init = gevent_init,
+};

plugins/gevent/uwsgiplugin.py

@@ -0,0 +1,8 @@
+from distutils import sysconfig
+
+NAME='gevent'
+CFLAGS = ['-I' + sysconfig.get_python_inc(), '-I' + sysconfig.get_python_inc(plat_specific=True)]
+LDFLAGS = []
+LIBS = []
+
+GCC_LIST = ['gevent']

plugins/graylog2/graylog2_plugin.c

@@ -0,0 +1,120 @@
+#include "../../uwsgi.h"
+#include <zlib.h>
+
+extern struct uwsgi_server uwsgi;
+
+#define MAX_GELF 8192
+
+struct graylog2_config {
+	char *host;
+	char json_buf[MAX_GELF];
+	char escaped_buf[MAX_GELF];
+	size_t escaped_len;
+	char buffer[MAX_GELF];
+} g2c;
+
+ssize_t uwsgi_graylog2_logger(struct uwsgi_logger *ul, char *message, size_t len) {
+
+	size_t i;
+
+	if (!ul->configured) {
+
+		if (!uwsgi.choosen_logger_arg) {
+			uwsgi_log_safe("invalid graylog2 syntax\n");
+			exit(1);
+		}
+
+		ul->fd = socket(AF_INET, SOCK_DGRAM, 0);
+		if (ul->fd < 0) {
+			uwsgi_error_safe("socket()");
+			exit(1);
+		}
+
+		uwsgi_socket_nb(ul->fd);
+
+		char *comma = strchr(uwsgi.choosen_logger_arg, ',');
+		if (!comma) {
+			uwsgi_log_safe("invalid graylog2 syntax\n");
+                        exit(1);
+		}
+
+		g2c.host = comma + 1;
+
+		*comma = 0;
+
+		char *colon = strchr(uwsgi.choosen_logger_arg, ':');
+		if (!colon) {
+			uwsgi_log_safe("invalid graylog2 syntax\n");
+                        exit(1);
+		}
+
+		ul->addr_len = socket_to_in_addr(uwsgi.choosen_logger_arg, colon, 0, &ul->addr.sa_in);
+
+		*comma = ',';
+
+		ul->configured = 1;
+	}
+
+	g2c.escaped_len = 0;
+
+	int truncated = 0;
+	char *ptr = g2c.escaped_buf;
+	uLongf destLen = MAX_GELF;
+
+	for(i=0;i<len;i++) {
+		if (message[i] == '\\') {
+			*ptr ++= '\\';
+			g2c.escaped_len++;
+		}
+		else if (message[i] == '"') {
+			*ptr ++= '\\';
+			g2c.escaped_len++;
+		}
+		*ptr ++= message[i];
+		g2c.escaped_len++;
+
+		if (!truncated) {
+			if (g2c.escaped_len == 128) {
+				truncated = 1;
+			}
+			else if (g2c.escaped_len > 128) {
+				truncated = 2;
+			}
+		}
+	}
+
+	if (truncated) truncated = 128 - (truncated-1);
+	else (truncated = g2c.escaped_len);
+
+	int rlen = snprintf(g2c.json_buf, MAX_GELF, "{ \"version\": \"1.0\", \"host\": \"%s\", \"short_message\": \"%.*s\", \"full_message\": \"%.*s\", \"timestamp\": %d, \"level\": 5, \"facility\": \"uWSGI-%s\" }",
+		g2c.host, truncated, g2c.escaped_buf, (int)g2c.escaped_len, g2c.escaped_buf, (int) time(NULL), UWSGI_VERSION);
+
+	if (rlen > 0) {
+		if (compressBound((uLong) rlen) <= MAX_GELF) {
+			if (compress((Bytef *) g2c.buffer, &destLen, (Bytef *) g2c.json_buf, (uLong) rlen) == Z_OK) {
+				return sendto(ul->fd, g2c.buffer, destLen, 0, (const struct sockaddr *) &ul->addr, ul->addr_len);
+			}
+		}
+
+	}
+	return -1;
+
+}
+
+
+void uwsgi_graylog2_register() {
+	uwsgi_register_logger("graylog2", uwsgi_graylog2_logger);
+}
+
+int uwsgi_graylog2_init() {
+	return 0;
+}
+
+struct uwsgi_plugin graylog2_plugin = {
+
+        .name = "graylog2",
+        .on_load = uwsgi_graylog2_register,
+	.init = uwsgi_graylog2_init
+
+};
+

plugins/graylog2/uwsgiplugin.py

@@ -0,0 +1,6 @@
+NAME='graylog2'
+
+CFLAGS = []
+LDFLAGS = []
+LIBS = ['-lz']
+GCC_LIST = ['graylog2_plugin']

plugins/greenlet/greenlet.c

@@ -10,9 +10,9 @@ struct ugreenlet {
 	PyGreenlet **gl;
 } ugl;
 
-struct option greenlet_options[] = {
-	{"greenlet", no_argument, &ugl.enabled, 1},
-	{ 0, 0, 0, 0 }
+struct uwsgi_option greenlet_options[] = {
+	{"greenlet", no_argument, 0, "enable greenlet as suspend engine", uwsgi_opt_true, &ugl.enabled, 0},
+	{ 0, 0, 0, 0, 0, 0, 0 }
 };
 
 PyObject *py_uwsgi_greenlet_request(PyObject * self, PyObject *args) {

plugins/jvm/jvm.h

@@ -1,16 +1,9 @@
 #include "../../uwsgi.h"
 #include <jni.h>
 
-#define MAX_CLASSPATH 64
-
-#define LONG_ARGS_JVM_BASE      17000 + (300 * 100)
-#define LONG_ARGS_JVM_CLASS     LONG_ARGS_JVM_BASE + 1
-#define LONG_ARGS_JVM_CLASSPATH LONG_ARGS_JVM_BASE + 2
-
 struct uwsgi_jvm {
 
-        char *classpath[MAX_CLASSPATH];
-        int classpath_cnt;
+        struct uwsgi_string_list *classpath;
 
         JNIEnv  *env;
         char *class;

plugins/jvm/jvm_plugin.c

@@ -5,13 +5,15 @@
 with javap -s -p <class>
 you can get method signatures
 
+This plugin is the core for all of the JVM-based ones
+
 */
 
 struct uwsgi_jvm ujvm;
 
-struct option uwsgi_jvm_options[] = {
-        {"jvm-main-class", required_argument, 0, LONG_ARGS_JVM_CLASS},
-        {"jvm-classpath", required_argument, 0, LONG_ARGS_JVM_CLASSPATH},
+struct uwsgi_option uwsgi_jvm_options[] = {
+        {"jvm-main-class", required_argument, 0, "load the specified class", uwsgi_opt_set_str, &ujvm.class, 0},
+        {"jvm-classpath", required_argument, 0, "add the specified directory to the classpath", uwsgi_opt_add_string_list, &ujvm.classpath, 0},
         {0, 0, 0, 0},
 };
 
@@ -87,7 +89,6 @@ int jvm_init(void) {
         JavaVMOption    options[1];
 	jmethodID mmid;
 
-	int i;
 	char *old_cp = NULL ;
 
 
@@ -97,17 +98,17 @@ int jvm_init(void) {
 
         options[0].optionString = "-Djava.class.path=.";
 
-	if (ujvm.classpath_cnt > 0) {
-		for(i=0;i<ujvm.classpath_cnt;i++) {
+	struct uwsgi_string_list *cp = ujvm.classpath;
+	while(cp) {
 			if (old_cp) {
-				options[0].optionString = uwsgi_concat3(old_cp, ":", ujvm.classpath[i]);
+				options[0].optionString = uwsgi_concat3(old_cp, ":", cp->value);
 				free(old_cp);
 			}	
 			else {
-				options[0].optionString = uwsgi_concat3(options[0].optionString, ":", ujvm.classpath[i]);
+				options[0].optionString = uwsgi_concat3(options[0].optionString, ":", cp->value);
 			}
 			old_cp = options[0].optionString ;
-		}
+		cp = cp->next;
 	}
 
         vm_args.options  = options;
@@ -199,32 +200,11 @@ int uwsgi_jvm_strlen2c(jobject obj) {
 	return (*ujvm.env)->GetStringUTFLength(ujvm.env, obj);
 }
 
-int uwsgi_jvm_manage_opt(int i, char *optarg) {
-
-	switch(i) {
-		case LONG_ARGS_JVM_CLASS:
-			ujvm.class = optarg;
-			return 1;
-		case LONG_ARGS_JVM_CLASSPATH:
-                	if (ujvm.classpath_cnt < MAX_CLASSPATH) {
-                        	ujvm.classpath[ujvm.classpath_cnt] = optarg;
-                                ujvm.classpath_cnt++;
-                        }
-                        else {
-                        	uwsgi_log( "you can specify at most %d --jvm-classpath options\n", MAX_CLASSPATH);
-                        }
-                        return 1;
-	}
-
-	return 0;
-}
-
 struct uwsgi_plugin jvm_plugin = {
 
 	.name = "jvm",
 	.init = jvm_init,
 	.options = uwsgi_jvm_options,
-	.manage_opt = uwsgi_jvm_manage_opt,
 };
 
 

plugins/jvm/uwsgiplugin.py

@@ -13,8 +13,8 @@ NAME='jvm'
 # UWSGICONFIG_JVM_INCPATH="/usr/java/include -I /usr/java/include/solaris" UWSGICONFIG_JVM_LIBPATH="/usr/java/jre/lib/i386/" python uwsgiconfig.py --plugin plugins/jvm
 
 # Ubuntu
-JVM_INCPATH = "/usr/lib/jvm/java-6-sun-1.6.0.15/include/ -I/usr/lib/jvm/java-6-sun-1.6.0.15/include/linux"
-JVM_LIBPATH = "/usr/lib/jvm/java-6-sun-1.6.0.15/jre/lib/i386/server/"
+JVM_INCPATH = "/usr/lib/jvm/java-6-openjdk/include/ -I/usr/lib/jvm/java-6-openjdk/include/linux"
+JVM_LIBPATH = "/usr/lib/jvm/java-6-openjdk/jre/lib/amd64/server/"
 
 try: 
     JVM_INCPATH = os.environ['UWSGICONFIG_JVM_INCPATH'] 

plugins/logsocket/logsocket_plugin.c

@@ -0,0 +1,73 @@
+#include "../../uwsgi.h"
+
+extern struct uwsgi_server uwsgi;
+
+ssize_t uwsgi_socket_logger(struct uwsgi_logger *ul, char *message, size_t len) {
+
+	int family = AF_UNIX;
+
+	if (!ul->configured) {
+
+		char *comma = strchr(uwsgi.choosen_logger_arg, ',');
+		if (comma) {
+			ul->data = comma+1;
+			*comma = 0;
+		}
+
+        	char *colon = strchr(uwsgi.choosen_logger_arg, ':');
+        	if (colon) {
+                	family = AF_INET;
+                	ul->addr_len = socket_to_in_addr(uwsgi.choosen_logger_arg, colon, 0, &ul->addr.sa_in);
+        	}
+        	else {
+                	ul->addr_len = socket_to_un_addr(uwsgi.choosen_logger_arg, &ul->addr.sa_un);
+        	}
+
+        	ul->fd = socket(family, SOCK_DGRAM, 0);
+        	if (ul->fd < 0) {
+                	uwsgi_error_safe("socket()");
+			exit(1);
+        	}
+
+		memset(&ul->msg, 0, sizeof(struct msghdr));
+
+		ul->msg.msg_name = &ul->addr;
+		ul->msg.msg_namelen = ul->addr_len;
+		if (ul->data) {
+			ul->msg.msg_iov = uwsgi_malloc(sizeof(struct iovec) * 2);
+			ul->msg.msg_iov[0].iov_base = ul->data;
+			ul->msg.msg_iov[0].iov_len = strlen(ul->data);
+			ul->msg.msg_iovlen = 2;
+			ul->count = 1;
+		}
+		else {
+			ul->msg.msg_iov = uwsgi_malloc(sizeof(struct iovec));
+			ul->msg.msg_iovlen = 1;
+		}
+
+		if (comma) {
+			*comma = ',' ;
+		}
+
+		ul->configured = 1;
+	}
+
+	
+	ul->msg.msg_iov[ul->count].iov_base = message;
+	ul->msg.msg_iov[ul->count].iov_len = len;
+
+	return sendmsg(ul->fd, &ul->msg, 0);
+
+}
+
+void uwsgi_logsocket_register() {
+	uwsgi_register_logger("socket", uwsgi_socket_logger);
+}
+
+struct uwsgi_plugin logsocket_plugin = {
+
+        .name = "logsocket",
+        .on_load = uwsgi_logsocket_register,
+
+};
+

plugins/logsocket/uwsgiplugin.py

@@ -0,0 +1,6 @@
+NAME='logsocket'
+
+CFLAGS = []
+LDFLAGS = []
+LIBS = []
+GCC_LIST = ['logsocket_plugin']

plugins/lua/lua_plugin.c

@@ -12,14 +12,11 @@ struct uwsgi_lua {
 	char *filename;
 } ulua;
 
-#define LONG_ARGS_LUA_BASE	17000 + (6 * 100)
-#define LONG_ARGS_LUA		LONG_ARGS_LUA_BASE + 1
-
 #define lca(L, n)		ulua_check_args(L, __FUNCTION__, n)
 
-struct option uwsgi_lua_options[] = {
+struct uwsgi_option uwsgi_lua_options[] = {
 
-	{"lua", required_argument, 0, LONG_ARGS_LUA},
+	{"lua", required_argument, 0, "load lua wsapi app", uwsgi_opt_set_str, &ulua.filename, 0},
 
 	{0, 0, 0, 0},
 
@@ -583,16 +580,6 @@ void uwsgi_lua_after_request(struct wsgi_request *wsgi_req) {
 		log_request(wsgi_req);
 }
 
-int uwsgi_lua_manage_options(int i, char *optarg) {
-
-	switch(i) {
-		case LONG_ARGS_LUA:
-			ulua.filename = optarg;
-			return 1;
-	}
-
-	return 0;
-}
 
 int uwsgi_lua_magic(char *mountpoint, char *lazy) {
 
@@ -643,7 +630,6 @@ char *uwsgi_lua_code_string(char *id, char *code, char *func, char *key, uint16_
 #endif
 
         if (lua_pcall(L, 1, 1, 0) != 0) {
-		uwsgi_log("CAZZO\n");
                 uwsgi_log("error running function `f': %s",
                  lua_tostring(L, -1));
                 return NULL;
@@ -682,7 +668,7 @@ int uwsgi_lua_signal_handler(uint8_t sig, void *handler) {
 	
 }
 
-uint16_t uwsgi_lua_rpc(void * func, uint8_t argc, char **argv, char *buffer) {
+uint16_t uwsgi_lua_rpc(void * func, uint8_t argc, char **argv, uint16_t argvs[], char *buffer) {
 
         uint8_t i;
         const char *sv;
@@ -698,7 +684,7 @@ uint16_t uwsgi_lua_rpc(void * func, uint8_t argc, char **argv, char *buffer) {
 	lua_rawgeti(L, LUA_REGISTRYINDEX, ifunc);
 
         for(i=0;i<argc;i++) {
-		lua_pushstring(L, argv[i]);
+		lua_pushlstring(L, argv[i], argvs[i]);
         }
 
         if (lua_pcall(L, argc, 1, 0) != 0) {
@@ -726,7 +712,6 @@ struct uwsgi_plugin lua_plugin = {
 	.modifier1 = 6,
 	.init = uwsgi_lua_init,
 	.options = uwsgi_lua_options,
-	.manage_opt = uwsgi_lua_manage_options,
 	.request = uwsgi_lua_request,
 	.after_request = uwsgi_lua_after_request,
 	.init_apps = uwsgi_lua_app,

plugins/nagios/nagios.c

@@ -3,61 +3,61 @@
 extern struct uwsgi_server uwsgi;
 int use_nagios = 0;
 
-#define LONG_ARGS_NAGIOS 40000
+struct uwsgi_option nagios_options[] = {
 
-struct option nagios_options[] = {
-
-	{"nagios", no_argument, 0, LONG_ARGS_NAGIOS},
-        {0, 0, 0, 0},
+	{"nagios", no_argument, 0, "nagios check", uwsgi_opt_true, &use_nagios, UWSGI_OPT_NO_INITIAL},
+        {0, 0, 0, 0, 0, 0, 0},
 
 };
 
 
 int nagios() {
 
-	char *tcp_port;
-	struct wsgi_request nagios_req;
-// connect and send
+	struct uwsgi_header uh;
+	char *buf = NULL;
 
 	if (!use_nagios) {
 		return 1;
 	}
+
 	if (!uwsgi.sockets) {
 		fprintf(stdout, "UWSGI UNKNOWN: you have specified an invalid socket\n");
 		exit(3);
 	}
-	tcp_port = strchr(uwsgi.sockets->name, ':');
-	if (tcp_port == NULL) {
-		fprintf(stdout, "UWSGI UNKNOWN: you have specified an invalid socket\n");
-		exit(3);
-	}
 
-	tcp_port[0] = 0;
 
-	int fd = connect_to_tcp(uwsgi.sockets->name, atoi(tcp_port + 1), uwsgi.shared->options[UWSGI_OPTION_SOCKET_TIMEOUT], 0);
+	int fd = uwsgi_connect(uwsgi.sockets->name, uwsgi.shared->options[UWSGI_OPTION_SOCKET_TIMEOUT], 0);
 	if (fd < 0) {
-		fprintf(stdout, "UWSGI CRITICAL: could not connect() to workers\n");
+		fprintf(stdout, "UWSGI CRITICAL: could not connect() to workers %s\n", strerror(errno));
+		if (errno == EPERM || errno == EACCES) {
+			exit(3);
+		}
 		exit(2);
 	}
-	nagios_req.uh.modifier1 = UWSGI_MODIFIER_PING;
-	nagios_req.uh.pktsize = 0;
-	nagios_req.uh.modifier2 = 0;
-	if (write(fd, &nagios_req.uh, 4) != 4) {
+
+	uh.modifier1 = UWSGI_MODIFIER_PING;
+	uh.pktsize = 0;
+	uh.modifier2 = 0;
+	if (write(fd, &uh, 4) != 4) {
 		uwsgi_error("write()");
 		fprintf(stdout, "UWSGI CRITICAL: could not send ping packet to workers\n");
 		exit(2);
 	}
 
-	nagios_req.poll.fd = fd;
-	nagios_req.poll.events = POLLIN;
 
-	if (!uwsgi_parse_packet(&nagios_req, uwsgi.shared->options[UWSGI_OPTION_SOCKET_TIMEOUT])) {
+	int ret = uwsgi_read_response(fd, &uh, uwsgi.shared->options[UWSGI_OPTION_SOCKET_TIMEOUT], &buf);
+
+	if (ret == -2) {
 		fprintf(stdout, "UWSGI CRITICAL: timed out waiting for response\n");
 		exit(2);
 	}
+	else if (ret == -1) {
+		fprintf(stdout, "UWSGI CRITICAL: error reading response\n");
+		exit(2);
+	}
 	else {
-		if (nagios_req.uh.pktsize > 0) {
-			fprintf(stdout, "UWSGI WARNING: %.*s\n", nagios_req.uh.pktsize, nagios_req.buffer);
+		if (uh.pktsize > 0 && buf) {
+			fprintf(stdout, "UWSGI WARNING: %.*s\n", uh.pktsize, buf);
 			exit(1);
 		}
 		else {
@@ -71,21 +71,8 @@ int nagios() {
 	exit(3);
 }
 
-int nagios_opt(int i, char *optarg) {
-
-	switch(i) {
-		case LONG_ARGS_NAGIOS:
-			uwsgi.no_initial_output = 1;
-			use_nagios = 1;
-			return 1;
-	}
-
-	return 0;
-}
-
 struct uwsgi_plugin nagios_plugin = {
 	
 	.options = nagios_options,
-	.manage_opt = nagios_opt,
 	.init = nagios,
 };

plugins/notfound/notfound.c

@@ -0,0 +1,35 @@
+#include "../../uwsgi.h"
+
+int uwsgi_request_notfound(struct wsgi_request *wsgi_req) {
+
+        struct iovec iov[3];
+
+        if (wsgi_req->protocol_len > 0) {
+        	iov[0].iov_base = wsgi_req->protocol;
+        	iov[0].iov_len = wsgi_req->protocol_len;
+	}
+	else {
+        	iov[0].iov_base = "HTTP/1.0";
+        	iov[0].iov_len = 8;
+	}
+
+        iov[1].iov_base = " 404 Not Found\r\n";
+        iov[1].iov_len = 16;
+
+        iov[2].iov_base = "Content-Type: text/plain\r\n\r\n";
+        iov[2].iov_len = 28;
+
+        wsgi_req->headers_size = wsgi_req->socket->proto_writev_header(wsgi_req, iov, 3);
+
+	wsgi_req->response_size = wsgi_req->socket->proto_write(wsgi_req, "Not Found", 9);
+	wsgi_req->status = 404;
+
+	return UWSGI_OK;
+}
+
+
+struct uwsgi_plugin notfound_plugin = {
+
+	.name = "notfound",
+	.request = uwsgi_request_notfound,
+};

plugins/notfound/uwsgiplugin.py

@@ -0,0 +1,6 @@
+NAME='notfound'
+
+CFLAGS = []
+LDFLAGS = []
+LIBS = []
+GCC_LIST = ['notfound']

plugins/php/php_plugin.c

@@ -0,0 +1,927 @@
+#include "php.h"
+#include "SAPI.h"
+#include "php_main.h"
+#include "php_variables.h"
+
+#include "ext/standard/php_smart_str.h"
+#include "ext/standard/info.h"
+
+#include "../../uwsgi.h"
+
+extern struct uwsgi_server uwsgi;
+
+// http status codes list
+extern struct http_status_codes hsc[];
+
+static sapi_module_struct uwsgi_sapi_module;
+
+struct uwsgi_php {
+	struct uwsgi_string_list *allowed_docroot;
+	struct uwsgi_string_list *allowed_ext;
+	struct uwsgi_string_list *index;
+	struct uwsgi_string_list *set;
+	struct uwsgi_string_list *append_config;
+	char *docroot;
+	char *app;
+	size_t ini_size;
+	int dump_config;
+	char *server_software;
+	size_t server_software_len;
+} uphp;
+
+void uwsgi_opt_php_ini(char *opt, char *value, void *foobar) {
+	uwsgi_sapi_module.php_ini_path_override = uwsgi_str(value);
+        uwsgi_sapi_module.php_ini_ignore = 1;
+}
+
+struct uwsgi_option uwsgi_php_options[] = {
+
+        {"php-ini", required_argument, 0, "set php.ini path", uwsgi_opt_php_ini, NULL, 0},
+        {"php-config", required_argument, 0, "set php.ini path", uwsgi_opt_php_ini, NULL, 0},
+        {"php-ini-append", required_argument, 0, "set php.ini path (append mode)", uwsgi_opt_add_string_list, &uphp.append_config, 0},
+        {"php-config-append", required_argument, 0, "set php.ini path (append mode)", uwsgi_opt_add_string_list, &uphp.append_config, 0},
+        {"php-set", required_argument, 0, "set a php config directive", uwsgi_opt_add_string_list, &uphp.set, 0},
+        {"php-index", required_argument, 0, "list the php index files", uwsgi_opt_add_string_list, &uphp.index, 0},
+        {"php-docroot", required_argument, 0, "force php DOCUMENT_ROOT", uwsgi_opt_set_str, &uphp.docroot, 0},
+        {"php-allowed-docroot", required_argument, 0, "list the allowed document roots", uwsgi_opt_add_string_list, &uphp.allowed_docroot, 0},
+        {"php-allowed-ext", required_argument, 0, "list the allowed php file extensions", uwsgi_opt_add_string_list, &uphp.allowed_ext, 0},
+        {"php-server-software", required_argument, 0, "force php SERVER_SOFTWARE", uwsgi_opt_set_str, &uphp.server_software, 0},
+        {"php-app", required_argument, 0, "force the php file to run at each request", uwsgi_opt_set_str, &uphp.app, 0},
+        {"php-dump-config", no_argument, 0, "dump php config (if modified via --php-set or append options)", uwsgi_opt_true, &uphp.dump_config, 0},
+        {0, 0, 0, 0, 0, 0, 0},
+
+};
+
+void uwsgi_php_redirect_to_slash(struct wsgi_request *wsgi_req) {
+
+        struct iovec iov[6];
+
+        wsgi_req->status = 301;
+        iov[0].iov_base = wsgi_req->protocol;
+        iov[0].iov_len = wsgi_req->protocol_len;
+        iov[1].iov_base = " 301 Moved Permanently\r\n";
+        iov[1].iov_len = 24;
+        wsgi_req->headers_size += wsgi_req->socket->proto_writev_header(wsgi_req, iov, 2);
+
+        iov[0].iov_base = "Location: ";
+        iov[0].iov_len = 10;
+        iov[1].iov_base = wsgi_req->path_info;
+        iov[1].iov_len = wsgi_req->path_info_len;
+        iov[2].iov_base = "/";
+        iov[2].iov_len = 1;
+
+        if (wsgi_req->query_string_len > 0) {
+                iov[3].iov_base = "?";
+                iov[3].iov_len = 1;
+                iov[4].iov_base = wsgi_req->query_string;
+                iov[4].iov_len = wsgi_req->query_string_len;
+                iov[5].iov_base = "\r\n\r\n";
+                iov[5].iov_len = 4;
+                wsgi_req->headers_size += wsgi_req->socket->proto_writev_header(wsgi_req, iov, 6);
+                wsgi_req->header_cnt++;
+        }
+        else {
+                iov[3].iov_base = "\r\n\r\n";
+                iov[3].iov_len = 4;
+                wsgi_req->headers_size += wsgi_req->socket->proto_writev_header(wsgi_req, iov, 4);
+                wsgi_req->header_cnt++;
+        }
+}
+
+
+
+static int sapi_uwsgi_ub_write(const char *str, uint str_length TSRMLS_DC)
+{
+	struct wsgi_request *wsgi_req = (struct wsgi_request *) SG(server_context);
+
+	wsgi_req->response_size += wsgi_req->socket->proto_write(wsgi_req, (char *) str, str_length);
+	if (wsgi_req->write_errors > uwsgi.write_errors_tolerance) {
+		php_handle_aborted_connection();
+		return -1;
+	}
+	return str_length;
+}
+
+void uwsgi_php_404(struct wsgi_request *wsgi_req) {
+
+        wsgi_req->status = 404;
+        wsgi_req->headers_size += wsgi_req->socket->proto_write(wsgi_req, "HTTP/1.0 404 Not Found\r\nContent-Type: text/plain\r\n\r\nNot Found", 61);
+}
+
+void uwsgi_php_403(struct wsgi_request *wsgi_req) {
+
+        wsgi_req->status = 403;
+        wsgi_req->headers_size += wsgi_req->socket->proto_write(wsgi_req, "HTTP/1.0 403 Forbidden\r\nContent-Type: text/plain\r\n\r\nForbidden", 61);
+
+}
+
+
+static int sapi_uwsgi_send_headers(sapi_headers_struct *sapi_headers)
+{
+	sapi_header_struct *h;
+	zend_llist_position pos;
+	struct iovec iov[6];
+	char status[4];
+	struct http_status_codes *http_sc;
+
+	if (SG(request_info).no_headers == 1) {
+                return SAPI_HEADER_SENT_SUCCESSFULLY;
+        }
+
+	struct wsgi_request *wsgi_req = (struct wsgi_request *) SG(server_context);
+	wsgi_req->status = SG(sapi_headers).http_response_code;
+	if (!wsgi_req->status) wsgi_req->status = 200;
+
+	if (!SG(sapi_headers).http_status_line) {
+
+		iov[0].iov_base = wsgi_req->protocol;
+		iov[0].iov_len = wsgi_req->protocol_len;
+
+
+		iov[1].iov_base = " ";
+		iov[1].iov_len = 1;
+
+		uwsgi_num2str2n(wsgi_req->status, status, 4);
+
+		iov[2].iov_base = status;
+		iov[2].iov_len = 3;
+
+		iov[3].iov_base = " ";
+		iov[3].iov_len = 1;
+
+		// get the status code
+        	for (http_sc = hsc; http_sc->message != NULL; http_sc++) {
+                	if (!strncmp(http_sc->key, status, 3)) {
+                        	iov[4].iov_base = (char *) http_sc->message;
+                        	iov[4].iov_len = http_sc->message_size;
+                        	break;
+                	}
+        	}
+
+        	if (iov[4].iov_len == 0) {
+                	iov[4].iov_base = "Unknown";
+                	iov[4].iov_len =  7;
+        	}
+
+		iov[5].iov_base = "\r\n";
+		iov[5].iov_len = 2;
+
+		wsgi_req->headers_size += wsgi_req->socket->proto_writev_header(wsgi_req, iov, 6);
+	}
+	else {
+		iov[0].iov_base = SG(sapi_headers).http_status_line;
+		iov[0].iov_len = strlen(iov[0].iov_base);
+		iov[1].iov_base = "\r\n";
+		iov[1].iov_len = 2;
+		wsgi_req->headers_size += wsgi_req->socket->proto_writev_header(wsgi_req, iov, 2);
+	}
+	
+	h = zend_llist_get_first_ex(&sapi_headers->headers, &pos);
+	while (h) {
+		iov[0].iov_base = h->header;
+		iov[0].iov_len = h->header_len;
+		iov[1].iov_base = "\r\n";
+		iov[1].iov_len = 2;
+
+		wsgi_req->headers_size += wsgi_req->socket->proto_writev_header(wsgi_req, iov, 2);	
+		wsgi_req->header_cnt++;
+		h = zend_llist_get_next_ex(&sapi_headers->headers, &pos);
+	}
+
+	wsgi_req->headers_size += wsgi_req->socket->proto_write_header(wsgi_req, "\r\n", 2);
+	
+	return SAPI_HEADER_SENT_SUCCESSFULLY;
+}
+
+static int sapi_uwsgi_read_post(char *buffer, uint count_bytes TSRMLS_DC)
+{
+	uint read_bytes = 0;
+	size_t len;
+	int fd = -1;
+	
+	struct wsgi_request *wsgi_req = (struct wsgi_request *) SG(server_context);
+
+	if (wsgi_req->body_as_file) {
+                fd = fileno((FILE *)wsgi_req->async_post);
+        }
+        else if (uwsgi.post_buffering > 0) {
+                if (wsgi_req->post_cl > (size_t) uwsgi.post_buffering) {
+                        fd = fileno((FILE *)wsgi_req->async_post);
+                }
+        }
+        else {
+                fd = wsgi_req->poll.fd;
+        }
+
+
+        count_bytes = MIN(count_bytes, wsgi_req->post_cl - SG(read_post_bytes));
+
+	// data in memory
+	if (fd == -1) {
+		if (count_bytes > 0) {
+			memcpy(buffer, wsgi_req->post_buffering_buf + wsgi_req->post_pos, count_bytes);
+			wsgi_req->post_pos += count_bytes;
+		}
+		return count_bytes;
+	}
+
+        while (read_bytes < count_bytes) {
+                len = read(fd, buffer + read_bytes, count_bytes - read_bytes);
+		if (len <= 0) {
+			break;
+		}
+                read_bytes += len;
+        }
+
+        return read_bytes;
+}
+
+
+static char *sapi_uwsgi_read_cookies(void)
+{
+	uint16_t len = 0;
+	struct wsgi_request *wsgi_req = (struct wsgi_request *) SG(server_context);
+
+	char *cookie = uwsgi_get_var(wsgi_req, (char *)"HTTP_COOKIE", 11, &len);
+	if (cookie) {
+		return estrndup(cookie, len);
+	}
+
+	return NULL;
+}
+
+static void sapi_uwsgi_register_variables(zval *track_vars_array TSRMLS_DC)
+{
+	int i;
+	struct wsgi_request *wsgi_req = (struct wsgi_request *) SG(server_context);
+	php_import_environment_variables(track_vars_array TSRMLS_CC);
+
+	if (uphp.server_software) {
+		if (!uphp.server_software_len) uphp.server_software_len = strlen(uphp.server_software);
+		php_register_variable_safe("SERVER_SOFTWARE", uphp.server_software, uphp.server_software_len, track_vars_array TSRMLS_CC);
+	}
+	else {
+		php_register_variable_safe("SERVER_SOFTWARE", "uWSGI", 5, track_vars_array TSRMLS_CC);
+	}
+
+	for (i = 0; i < wsgi_req->var_cnt; i += 2) {
+		php_register_variable_safe( estrndup(wsgi_req->hvec[i].iov_base, wsgi_req->hvec[i].iov_len),
+			wsgi_req->hvec[i + 1].iov_base, wsgi_req->hvec[i + 1].iov_len,
+			track_vars_array TSRMLS_CC);
+        }
+
+	php_register_variable_safe("PATH_INFO", wsgi_req->path_info, wsgi_req->path_info_len, track_vars_array TSRMLS_CC);
+
+	php_register_variable_safe("SCRIPT_NAME", wsgi_req->script_name, wsgi_req->script_name_len, track_vars_array TSRMLS_CC);
+	php_register_variable_safe("SCRIPT_FILENAME", wsgi_req->file, wsgi_req->file_len, track_vars_array TSRMLS_CC);
+
+	php_register_variable_safe("DOCUMENT_ROOT", wsgi_req->document_root, wsgi_req->document_root_len, track_vars_array TSRMLS_CC);
+
+	if (wsgi_req->path_info_len) {
+		char *path_translated = ecalloc(1, (wsgi_req->file_len - wsgi_req->script_name_len) + wsgi_req->path_info_len + 1);
+
+		memcpy(path_translated, wsgi_req->file, (wsgi_req->file_len - wsgi_req->script_name_len));
+		memcpy(path_translated + (wsgi_req->file_len - wsgi_req->script_name_len), wsgi_req->path_info, wsgi_req->path_info_len);
+		php_register_variable_safe("PATH_TRANSLATED", path_translated, (wsgi_req->file_len - wsgi_req->script_name_len) + wsgi_req->path_info_len , track_vars_array TSRMLS_CC);
+	}
+	else {
+		php_register_variable_safe("PATH_TRANSLATED", "", 0, track_vars_array TSRMLS_CC);
+	}
+
+	php_register_variable_safe("PHP_SELF", wsgi_req->script_name, wsgi_req->script_name_len, track_vars_array TSRMLS_CC);
+
+
+}
+
+static sapi_module_struct uwsgi_sapi_module;
+
+
+
+
+void uwsgi_php_append_config(char *filename) {
+	int file_size = 0;
+        char *file_content = uwsgi_open_and_read(filename, &file_size, 1, NULL);
+	uwsgi_sapi_module.ini_entries = realloc(uwsgi_sapi_module.ini_entries, uphp.ini_size + file_size);
+	memcpy(uwsgi_sapi_module.ini_entries + uphp.ini_size, file_content, file_size);
+	uphp.ini_size += file_size-1;
+	free(file_content);
+}
+
+void uwsgi_php_set(char *opt) {
+
+	uwsgi_sapi_module.ini_entries = realloc(uwsgi_sapi_module.ini_entries, uphp.ini_size + strlen(opt)+2);
+	memcpy(uwsgi_sapi_module.ini_entries + uphp.ini_size, opt, strlen(opt));
+
+	uphp.ini_size += strlen(opt)+1;
+	uwsgi_sapi_module.ini_entries[uphp.ini_size-1] = '\n';
+	uwsgi_sapi_module.ini_entries[uphp.ini_size] = 0;
+}
+
+// future implementation...
+PHP_MINIT_FUNCTION(uwsgi_php_minit) {
+	return SUCCESS;
+}
+
+PHP_FUNCTION(uwsgi_version) {
+	RETURN_STRING(UWSGI_VERSION, 1);
+}
+
+PHP_FUNCTION(uwsgi_worker_id) {
+	RETURN_LONG(uwsgi.mywid);
+}
+
+PHP_FUNCTION(uwsgi_masterpid) {
+	if (uwsgi.master_process) {
+		RETURN_LONG(uwsgi.workers[0].pid);
+	}
+	RETURN_LONG(0);
+}
+
+PHP_FUNCTION(uwsgi_cache_del) {
+	
+	char *key = NULL;
+        int keylen = 0;
+
+        if (!uwsgi.cache_max_items)
+                RETURN_NULL();
+
+        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &key, &keylen) == FAILURE) {
+                RETURN_NULL();
+        }
+
+	uwsgi_wlock(uwsgi.cache_lock);
+        if (uwsgi_cache_del(key, keylen, 0)) {
+                uwsgi_rwunlock(uwsgi.cache_lock);
+		RETURN_TRUE;
+        }
+
+        uwsgi_rwunlock(uwsgi.cache_lock);
+	RETURN_NULL();
+}
+
+PHP_FUNCTION(uwsgi_cache_get) {
+
+	char *key = NULL;
+	int keylen = 0;
+	uint64_t valsize;
+
+	if (!uwsgi.cache_max_items)
+		RETURN_NULL();
+
+	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &key, &keylen) == FAILURE) {
+                RETURN_NULL();
+        }
+
+	uwsgi_rlock(uwsgi.cache_lock);
+	char *value = uwsgi_cache_get(key, keylen, &valsize);
+	if (value) {
+		char *ret = estrndup(value, valsize);
+		uwsgi_rwunlock(uwsgi.cache_lock);
+		RETURN_STRING(ret, 0);
+	}
+	uwsgi_rwunlock(uwsgi.cache_lock);
+	RETURN_NULL();
+}
+
+PHP_FUNCTION(uwsgi_cache_set) {
+	char *key = NULL;	
+	int keylen;
+	char *value = NULL;
+	int vallen;
+	uint64_t expires = 0;
+
+	if (!uwsgi.cache_max_items)
+		RETURN_NULL();
+
+	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss|l", &key, &keylen, &value, &vallen, &expires) == FAILURE) {
+                RETURN_NULL();
+        }
+
+	if ((uint64_t)vallen > uwsgi.cache_blocksize) {
+		RETURN_NULL();
+	}
+	
+	uwsgi_wlock(uwsgi.cache_lock);
+	if (uwsgi_cache_set(key, keylen, value, vallen, expires, 0)) {
+		uwsgi_rwunlock(uwsgi.cache_lock);
+		RETURN_TRUE;
+	}
+	uwsgi_rwunlock(uwsgi.cache_lock);
+	RETURN_NULL();
+	
+}
+
+PHP_FUNCTION(uwsgi_cache_update) {
+        char *key = NULL;
+        int keylen;
+        char *value = NULL;
+        int vallen;
+        uint64_t expires = 0;
+
+	if (!uwsgi.cache_max_items)
+		RETURN_NULL();
+
+        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss|l", &key, &keylen, &value, &vallen, &expires) == FAILURE) {
+                RETURN_NULL();
+        }
+
+        if ((uint64_t)vallen > uwsgi.cache_blocksize) {
+                RETURN_NULL();
+        }
+
+        uwsgi_wlock(uwsgi.cache_lock);
+        if (uwsgi_cache_set(key, keylen, value, vallen, expires, UWSGI_CACHE_FLAG_UPDATE)) {
+                uwsgi_rwunlock(uwsgi.cache_lock);
+                RETURN_TRUE;
+        }
+        uwsgi_rwunlock(uwsgi.cache_lock);
+        RETURN_NULL();
+
+}
+
+
+PHP_FUNCTION(uwsgi_rpc) {
+
+
+	int num_args = 0;
+	int i;
+	char *node = NULL;
+	char *func = NULL;
+	zval ***varargs = NULL;
+	zval *z_current_obj;
+	char *argv[256];
+        uint16_t argvs[256];
+	uint16_t size = 0;
+
+	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "+", &varargs, &num_args) == FAILURE) {
+		RETURN_NULL();
+	}
+
+        if (num_args < 2)
+		goto clear;
+
+	if (num_args > 256 + 2)
+		goto clear;
+
+	z_current_obj = *varargs[0];
+	if (Z_TYPE_P(z_current_obj) != IS_STRING) {
+		goto clear;
+	}
+
+	node = Z_STRVAL_P(z_current_obj);
+
+	z_current_obj = *varargs[1];
+	if (Z_TYPE_P(z_current_obj) != IS_STRING) {
+		goto clear;
+	}
+
+	func = Z_STRVAL_P(z_current_obj);
+
+	for(i=0;i<(num_args-2);i++) {
+		z_current_obj = *varargs[i+2];
+		if (Z_TYPE_P(z_current_obj) != IS_STRING) {
+			goto clear;
+		}
+		argv[i] = Z_STRVAL_P(z_current_obj);
+		argvs[i] = Z_STRLEN_P(z_current_obj);
+	}
+
+        char *response = uwsgi_do_rpc(node, func, num_args - 2, argv, argvs, &size);
+
+        if (size > 0) {
+		// here we do not free varargs for performance reasons
+		char *ret = estrndup(response, size);
+		free(response);
+		RETURN_STRING(ret, 0);
+        }
+
+clear:
+	efree(varargs);
+	RETURN_NULL();
+
+}
+
+
+PHP_FUNCTION(uwsgi_setprocname) {
+
+	char *name;
+	int name_len;
+
+	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &name, &name_len) == FAILURE) {
+		RETURN_NULL();
+	}
+
+	uwsgi_set_processname(estrndup(name, name_len));
+
+	RETURN_NULL();
+}
+
+PHP_FUNCTION(uwsgi_signal) {
+
+	long long_signum;
+	uint8_t signum = 0;
+
+        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &long_signum) == FAILURE) {
+                RETURN_NULL();
+        }
+
+	signum = (uint8_t) long_signum;
+	uwsgi_signal_send(uwsgi.signal_socket, signum);
+
+        RETURN_NULL();
+}
+
+zend_function_entry uwsgi_php_functions[] = {
+	PHP_FE(uwsgi_version,   NULL)
+	PHP_FE(uwsgi_setprocname,   NULL)
+	PHP_FE(uwsgi_worker_id,   NULL)
+	PHP_FE(uwsgi_masterpid,   NULL)
+	PHP_FE(uwsgi_signal,   NULL)
+	PHP_FE(uwsgi_rpc,   NULL)
+	PHP_FE(uwsgi_cache_get,   NULL)
+	PHP_FE(uwsgi_cache_set,   NULL)
+	PHP_FE(uwsgi_cache_update,   NULL)
+	PHP_FE(uwsgi_cache_del,   NULL)
+	{ NULL, NULL, NULL},
+};
+
+PHP_MINFO_FUNCTION(uwsgi_php_minfo) {
+	php_info_print_table_start( );
+	php_info_print_table_row(2, "uwsgi api", "enabled");
+	if (uwsgi.cache_max_items > 0) {
+		php_info_print_table_row(2, "uwsgi cache", "enabled");
+	}
+	else {
+		php_info_print_table_row(2, "uwsgi cache", "disabled");
+	}
+	php_info_print_table_end( );
+}
+
+static zend_module_entry uwsgi_module_entry = {
+        STANDARD_MODULE_HEADER,
+        "uwsgi",
+        uwsgi_php_functions,
+        PHP_MINIT(uwsgi_php_minit),
+	NULL,
+        NULL,
+        NULL,
+        PHP_MINFO(uwsgi_php_minfo),
+        UWSGI_VERSION,
+        STANDARD_MODULE_PROPERTIES
+};
+
+
+static int php_uwsgi_startup(sapi_module_struct *sapi_module)
+{
+
+	if (php_module_startup(&uwsgi_sapi_module, &uwsgi_module_entry, 1)==FAILURE) {
+		return FAILURE;
+	} else {
+		return SUCCESS;
+	}
+}
+
+static void sapi_uwsgi_log_message(char *message) {
+
+	uwsgi_log("%s\n", message);
+}
+
+static sapi_module_struct uwsgi_sapi_module = {
+	"uwsgi",
+	"uWSGI/php",
+	
+	php_uwsgi_startup,
+	php_module_shutdown_wrapper,
+	
+	NULL,									/* activate */
+	NULL,									/* deactivate */
+
+	sapi_uwsgi_ub_write,
+	NULL,
+	NULL,									/* get uid */
+	NULL,									/* getenv */
+
+	php_error,
+	
+	NULL,
+	sapi_uwsgi_send_headers,
+	NULL,
+	sapi_uwsgi_read_post,
+	sapi_uwsgi_read_cookies,
+
+	sapi_uwsgi_register_variables,
+	sapi_uwsgi_log_message,									/* Log message */
+	NULL,									/* Get request time */
+	NULL,									/* Child terminate */
+
+	STANDARD_SAPI_MODULE_PROPERTIES
+};
+
+int uwsgi_php_init(void) {
+
+	struct http_status_codes *http_sc;
+
+	struct uwsgi_string_list *pset = uphp.set;
+	struct uwsgi_string_list *append_config = uphp.append_config;
+
+	sapi_startup(&uwsgi_sapi_module);
+
+	// applying custom options
+	while(append_config) {
+		uwsgi_php_append_config(append_config->value);
+		append_config = append_config->next;
+	}
+       	while(pset) {
+               	uwsgi_php_set(pset->value);
+               	pset = pset->next;
+       	}
+
+	if (uphp.dump_config) {
+		uwsgi_log("--- PHP custom config ---\n\n");
+		uwsgi_log("%s\n", uwsgi_sapi_module.ini_entries);
+		uwsgi_log("--- end of PHP custom config ---\n");
+	}
+
+	uwsgi_sapi_module.startup(&uwsgi_sapi_module);
+
+	// filling http status codes
+        for (http_sc = hsc; http_sc->message != NULL; http_sc++) {
+                http_sc->message_size = strlen(http_sc->message);
+        }
+
+	uwsgi_log("PHP %s initialized\n", PHP_VERSION);
+
+	return 0;
+}
+
+int uwsgi_php_walk(struct wsgi_request *wsgi_req, char *full_path, char *docroot, size_t docroot_len, char **path_info) {
+
+        // and now start walking...
+        uint16_t i;
+        char *ptr = wsgi_req->path_info;
+        char *dst = full_path+docroot_len;
+        char *part = ptr;
+        int part_size = 0;
+        struct stat st;
+
+	if (wsgi_req->path_info_len == 0) return 0;
+
+        if (ptr[0] == '/') part_size++;
+
+        for(i=0;i<wsgi_req->path_info_len;i++) {
+                if (ptr[i] == '/') {
+                        memcpy(dst, part, part_size-1);
+                        *(dst+part_size-1) = 0;
+
+                        if (stat(full_path, &st)) {
+				uwsgi_php_404(wsgi_req);
+                                return -1;
+                        }
+
+
+                        // not a directory, stop walking
+                        if (!S_ISDIR(st.st_mode)) {
+                                if (i < (wsgi_req->path_info_len)-1) {
+                                        *path_info = ptr + i;
+                                }
+
+                                return 0;
+                        }
+
+
+                        // check for buffer overflow !!!
+                        *(dst+part_size-1) = '/';
+                        *(dst+part_size) = 0;
+
+                        dst += part_size ;
+                        part_size = 0;
+                        part = ptr + i + 1;
+                }
+
+                part_size++;
+        }
+
+        if (part < wsgi_req->path_info+wsgi_req->path_info_len) {
+                memcpy(dst, part, part_size-1);
+                *(dst+part_size-1) = 0;
+        }
+
+        return 0;
+
+
+}
+
+
+int uwsgi_php_request(struct wsgi_request *wsgi_req) {
+
+	char real_filename[PATH_MAX+1];
+	char *path_info = NULL;
+	size_t real_filename_len = 0;
+	struct stat php_stat;
+
+	zend_file_handle file_handle;
+
+	SG(server_context) = (void *) wsgi_req;
+
+	if (uwsgi_parse_vars(wsgi_req)) {
+		return -1;
+	}
+
+	if (uphp.docroot) {
+		wsgi_req->document_root = uphp.docroot;
+	}
+	// fallback to cwd
+	else if (!wsgi_req->document_root_len) {
+		wsgi_req->document_root = uwsgi.cwd;
+	}
+	else {
+		// explode DOCUMENT_ROOT (both for security and sanity checks)
+		// this memory will be cleared on request end
+		char *sanitized_docroot = ecalloc(1, PATH_MAX+1);
+		if (!uwsgi_expand_path(wsgi_req->document_root, wsgi_req->document_root_len, sanitized_docroot)) {
+			efree(sanitized_docroot);
+			return -1;
+		}
+		wsgi_req->document_root = sanitized_docroot;
+	}
+
+	// fix document_root_len
+	wsgi_req->document_root_len = strlen(wsgi_req->document_root);
+
+	if (uphp.app) {
+		strcpy(real_filename, uphp.app);	
+		wsgi_req->path_info = "";
+		wsgi_req->path_info_len = 0;
+		goto secure2;
+	}
+
+	char *filename = uwsgi_concat4n(wsgi_req->document_root, wsgi_req->document_root_len, "/", 1, wsgi_req->path_info, wsgi_req->path_info_len, "", 0);
+
+	if (uwsgi_php_walk(wsgi_req, filename, wsgi_req->document_root, wsgi_req->document_root_len, &path_info)) {
+		free(filename);
+		return -1;
+	}
+
+	char *orig_path_info = wsgi_req->path_info;
+	uint16_t orig_path_info_len = wsgi_req->path_info_len;
+
+	if (path_info) {
+		wsgi_req->path_info = path_info;
+		wsgi_req->path_info_len = orig_path_info_len - (path_info - orig_path_info);
+	}
+	else {
+		wsgi_req->path_info = "";
+		wsgi_req->path_info_len = 0;
+	}
+
+
+	if (!realpath(filename, real_filename)) {
+		free(filename);
+		uwsgi_php_404(wsgi_req);
+		return -1;
+	}
+
+	free(filename);
+	real_filename_len = strlen(real_filename);
+
+	if (uphp.allowed_docroot) {
+		struct uwsgi_string_list *usl = uphp.allowed_docroot;
+		while(usl) {
+			if (!uwsgi_starts_with(real_filename, real_filename_len, usl->value, usl->len)) {
+				goto secure;
+			}
+			usl = usl->next;
+		}
+		uwsgi_php_403(wsgi_req);
+		uwsgi_log("PHP security error: %s is not under an allowed docroot\n", real_filename);
+		return -1;
+	}
+
+secure:
+
+	if (stat(real_filename, &php_stat)) {
+                uwsgi_php_404(wsgi_req);
+                return UWSGI_OK;
+        }
+
+        if (S_ISDIR(php_stat.st_mode)) {
+
+                // add / to directories
+                if (orig_path_info_len == 0 || (orig_path_info_len > 0 && orig_path_info[orig_path_info_len-1] != '/')) {
+			wsgi_req->path_info = orig_path_info;
+			wsgi_req->path_info_len = orig_path_info_len;
+                        uwsgi_php_redirect_to_slash(wsgi_req);
+                        return UWSGI_OK;
+                }
+                struct uwsgi_string_list *upi = uphp.index;
+                real_filename[real_filename_len] = '/';
+                real_filename_len++;
+                int found = 0;
+                while(upi) {
+                        if (real_filename_len + upi->len + 1 < PATH_MAX) {
+                                // add + 1 to ensure null byte
+                                memcpy(real_filename+real_filename_len, upi->value, upi->len + 1);
+                                if (!access(real_filename, R_OK)) {
+
+                                        found = 1;
+                                        break;
+                                }
+                        }
+                        upi = upi->next;
+                }
+
+                if (!found) {
+                        uwsgi_php_404(wsgi_req);
+                        return UWSGI_OK;
+                }
+
+		real_filename_len = strlen(real_filename);
+
+        }
+
+
+	if (uphp.allowed_ext) {
+		struct uwsgi_string_list *usl = uphp.allowed_ext;
+                while(usl) {
+			if (real_filename_len >= usl->len) {
+				if (!uwsgi_strncmp(real_filename+(real_filename_len-usl->len), usl->len, usl->value, usl->len)) {
+                                	goto secure2;
+                        	}
+			}
+                        usl = usl->next;
+                }
+                uwsgi_php_403(wsgi_req);
+                uwsgi_log("PHP security error: %s does not end with an allowed extension\n", real_filename);
+                return -1;
+	}
+
+secure2:
+
+	wsgi_req->file = real_filename;
+	wsgi_req->file_len = strlen(wsgi_req->file);
+
+	if (wsgi_req->document_root[wsgi_req->document_root_len-1] == '/') {
+		wsgi_req->script_name = real_filename + (wsgi_req->document_root_len-1);
+	}
+	else {
+		wsgi_req->script_name = real_filename + wsgi_req->document_root_len;
+	}
+
+	wsgi_req->script_name_len = strlen(wsgi_req->script_name);
+
+#ifdef UWSGI_DEBUG
+	uwsgi_log("php filename = %s script_name = %.*s (%d) document_root = %.*s (%d)\n", real_filename, wsgi_req->script_name_len, wsgi_req->script_name, wsgi_req->script_name_len,
+		wsgi_req->document_root_len, wsgi_req->document_root, wsgi_req->document_root_len);
+#endif
+
+
+
+
+	// now check for allowed paths and extensions
+
+	SG(request_info).request_uri = estrndup(wsgi_req->uri, wsgi_req->uri_len);
+        SG(request_info).request_method = estrndup(wsgi_req->method, wsgi_req->method_len);
+	SG(request_info).proto_num = 1001;
+
+	SG(request_info).query_string = estrndup(wsgi_req->query_string, wsgi_req->query_string_len);
+        SG(request_info).content_length = wsgi_req->post_cl;
+	SG(request_info).content_type = estrndup(wsgi_req->content_type, wsgi_req->content_type_len);
+
+	// reinitialize it at every request !!!
+	SG(sapi_headers).http_response_code = 200;	
+
+	SG(request_info).path_translated = wsgi_req->file;
+
+        file_handle.type = ZEND_HANDLE_FILENAME;
+        file_handle.filename = real_filename;
+        file_handle.free_filename = 0;
+        file_handle.opened_path = NULL;
+
+        if (php_request_startup(TSRMLS_C) == FAILURE) {
+		internal_server_error(wsgi_req, "unable to start php request");
+                return -1;
+        }
+
+        php_execute_script(&file_handle TSRMLS_CC);
+
+        php_request_shutdown(NULL);
+
+	return 0;
+}
+
+void uwsgi_php_after_request(struct wsgi_request *wsgi_req) {
+
+        if (uwsgi.shared->options[UWSGI_OPTION_LOGGING])
+                log_request(wsgi_req);
+}
+
+
+SAPI_API struct uwsgi_plugin php_plugin = {
+	.name = "php",
+	.modifier1 = 14,
+	.init = uwsgi_php_init,
+	.request = uwsgi_php_request,
+	.after_request = uwsgi_php_after_request,
+	.options = uwsgi_php_options,
+};
+

plugins/php/uwsgiplugin.py

@@ -0,0 +1,29 @@
+import os
+
+NAME='php'
+
+ld_run_path = None
+PHPPATH = 'php-config'
+
+try:
+    phpdir = os.environ['UWSGICONFIG_PHPDIR']
+    ld_run_path = "%s/lib" % phpdir
+    PHPPATH = "%s/bin/php-config" % phpdir
+except:
+    pass
+
+try:
+    PHPPATH = os.environ['UWSGICONFIG_PHPPATH']
+except:
+    pass
+
+CFLAGS = [os.popen(PHPPATH + ' --includes').read().rstrip()]
+
+LDFLAGS = os.popen(PHPPATH + ' --ldflags').read().rstrip().split()
+if ld_run_path:
+    LDFLAGS.append('-L%s' % ld_run_path)
+    os.environ['LD_RUN_PATH'] = ld_run_path
+
+LIBS = [os.popen(PHPPATH + ' --libs').read().rstrip(), '-lphp5']
+
+GCC_LIST = ['php_plugin']

plugins/ping/ping_plugin.c

@@ -7,16 +7,16 @@ struct uwsgi_ping {
 	int ping_timeout;
 } uping;
 
-struct option uwsgi_ping_options[] = {
-	{"ping", required_argument, 0, LONG_ARGS_PING},
-	{"ping-timeout", required_argument, 0, LONG_ARGS_PING_TIMEOUT},
-	{ 0, 0, 0, 0 }
+struct uwsgi_option uwsgi_ping_options[] = {
+	{"ping", required_argument, 0, "ping specified uwsgi host", uwsgi_opt_set_str, &uping.ping, UWSGI_OPT_NO_INITIAL | UWSGI_OPT_NO_SERVER},
+	{"ping-timeout", required_argument, 0, "set ping timeout", uwsgi_opt_set_int, &uping.ping_timeout, 0},
+	{ 0, 0, 0, 0, 0, 0, 0 }
 };
 
 static void ping() {
 
-	struct wsgi_request ping_req;
-	char *buf = uwsgi_malloc(uwsgi.buffer_size);
+	struct uwsgi_header uh;
+	char *buf = NULL;
 
 	// use a 3 secs timeout by default
 	if (!uping.ping_timeout) uping.ping_timeout = 3;
@@ -28,25 +28,22 @@ static void ping() {
 		exit(1);
 	}
 
-	memset(&ping_req, 0, sizeof(struct wsgi_request));
-	ping_req.uh.modifier1 = UWSGI_MODIFIER_PING;
-	ping_req.uh.pktsize = 0;
-	ping_req.uh.modifier2 = 0;
-	if (write(fd, &ping_req.uh, 4) != 4) {
+	uh.modifier1 = UWSGI_MODIFIER_PING;
+	uh.pktsize = 0;
+	uh.modifier2 = 0;
+
+	if (write(fd, &uh, 4) != 4) {
 		uwsgi_error("write()");
 		exit(2);
 	}
-	ping_req.poll.fd = fd;
-	ping_req.poll.events = POLLIN;
 
-	ping_req.buffer = buf;
-
-	if (!uwsgi_parse_packet(&ping_req, uping.ping_timeout)) {
+	int ret = uwsgi_read_response(fd, &uh, uping.ping_timeout, &buf);
+	if (ret < 0) {
 		exit(1);
 	}
 	else {
-		if (ping_req.uh.pktsize > 0) {
-			uwsgi_log("[WARNING] node %s message: %.*s\n", uping.ping, ping_req.uh.pktsize, buf);
+		if (uh.pktsize > 0) {
+			uwsgi_log("[WARNING] node %s message: %.*s\n", uping.ping, uh.pktsize, buf);
 			exit(2);
 		}
 		else {
@@ -94,27 +91,11 @@ int uwsgi_request_ping(struct wsgi_request *wsgi_req) {
 	return UWSGI_OK;
 }
 
-int uwsgi_ping_manage_options(int i, char *optarg) {
-
-	switch(i) {
-		case LONG_ARGS_PING:
-			uwsgi.no_server = 1;
-			uping.ping = optarg;
-			return 1;
-		case LONG_ARGS_PING_TIMEOUT:
-			uping.ping_timeout = atoi(optarg);
-			return 1;
-	}
-
-	return 0;
-}
-
 struct uwsgi_plugin ping_plugin = {
 
 	.name = "ping",
 	.modifier1 = 100,
 	.options = uwsgi_ping_options,
-	.manage_opt = uwsgi_ping_manage_options,
 	.request = uwsgi_request_ping,
 	.init = ping_init,
 };

plugins/probeconnect/connectprobe.c

@@ -0,0 +1,90 @@
+#include "../../uwsgi.h"
+
+extern struct uwsgi_server uwsgi;
+
+int connect_prober_callback(int interesting_fd, struct uwsgi_signal_probe *up) {
+
+	// is this a timeout event ?
+	if (interesting_fd == -1) {
+		// am i wating for something ?
+		if (up->fd != -1) {
+			if (up->cycles > (uint64_t) up->timeout) {
+				// reset the cycle
+				up->cycles = 0;
+				close(up->fd);
+				up->fd = -1;
+				// state = NOOP
+				up->state = 0;
+				// avoid duplicated events
+				if (!up->bad) {
+					up->bad = 1;
+					return 1;
+				}
+			}
+		}
+		// ok register a new event
+		else {
+			if ((up->cycles % up->freq) == 0) {
+				up->fd = uwsgi_connect(up->args, -1, 1);
+				if (up->fd != -1) {
+					// status = CONNECTING
+					up->state = 1;
+					event_queue_add_fd_write(uwsgi.master_queue, up->fd);
+					return 0;
+				}
+				// signal the bad event (if not already bad)
+				if (!up->bad) {
+					up->bad = 1;
+					return 1;
+				}
+
+			}
+		}
+	}
+	else if (up->fd != -1) {
+		// is this event for me ?
+		if (interesting_fd == up->fd) {
+			// uselsess here (we have only one state), only to show a good practice
+			// check the state
+			if (up->state == 1) {
+				if (uwsgi_is_bad_connection(up->fd)) {
+					// signal the bad connection (if needed)
+					up->cycles = 0;
+					close(up->fd);
+					up->fd = -1;
+					// state = NOOP
+					up->state = 0;
+					if (!up->bad) {
+						up->bad = 1;
+						return 1;
+					}
+					return 0;
+				}
+				// this is a good connection
+				up->cycles = 0;
+				close(up->fd);
+				up->fd = -1;
+				// state = NOOP
+				up->state = 0;
+				if (up->bad) {
+					up->bad = 0;
+					return 1;
+				}
+			}
+		}
+	}
+
+	// default action
+	return 0;
+}
+
+int probeconnect_init() {
+
+	uwsgi_probe_register(&uwsgi.probes, "connect", connect_prober_callback);
+	return 0;
+}
+
+struct uwsgi_plugin probeconnect_plugin = {
+
+	.init = probeconnect_init,
+};