fixed http protocol post optimization

.hgtags

@@ -38,3 +38,8 @@ fb168b0b86169219aa9b8e40f0caa6297cf34dbc 0.9.9-rc1
 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

CONTRIBUTORS

@@ -15,3 +15,5 @@ Luigi Scarso
 Corey Farwell
 Charles Duffy
 Lukas Lalinsky
+Steven Fernandez
+Łukasz Mierzwa

ChangeLog

@@ -1,3 +1,28 @@
+*** 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]

apache2/mod_uwsgi.c

@@ -2,7 +2,7 @@
         
 *** uWSGI/mod_uwsgi ***
 
-Copyright 2009-2010 Unbit S.a.s. <info@unbit.it>
+Copyright 2009-2011 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
@@ -73,6 +73,7 @@ typedef struct {
 	char scheme[9];
 	int cgi_mode ;
 	int max_vars;
+	int empty_remote_user;
 } uwsgi_cfg;
 
 module AP_MODULE_DECLARE_DATA uwsgi_module;
@@ -162,6 +163,7 @@ static void *uwsgi_server_config(apr_pool_t *p, server_rec *s) {
 	c->cgi_mode = 0 ;
 	c->max_vars = 128;
 	c->script_name[0] = 0;
+	c->empty_remote_user = 1;
 
 	return c;
 }
@@ -177,6 +179,7 @@ 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, "/")) {
@@ -344,7 +347,15 @@ static int uwsgi_handler(request_rec *r) {
 	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) ;
 	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) ;
+
+	// 
+	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) ;
 	}
@@ -354,7 +365,8 @@ 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] != 0) {
+	// 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) ;
 	}
@@ -621,7 +633,7 @@ 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 ;
 	}
 
@@ -722,6 +734,28 @@ 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"),	
@@ -730,6 +764,7 @@ 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}
 };

buildconf/default.ini

@@ -3,7 +3,7 @@ xml = true
 ini = true
 yaml = true
 json = auto
-sqlite3 = false
+sqlite3 = auto
 zeromq = auto
 snmp = true
 sctp = false
@@ -27,7 +27,7 @@ plugins =
 bin_name = uwsgi
 append_version =
 plugin_dir = .
-embedded_plugins = python, ping, cache, nagios, rrdtool, carbon, rpc, fastrouter, http, ugreen, signal
+embedded_plugins = python, ping, cache, nagios, rrdtool, carbon, rpc, fastrouter, http, ugreen, signal, syslog, rsyslog, logsocket
 as_shared_library = false
 
 locking = auto

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.cache_max_items) % 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) {
@@ -91,7 +86,8 @@ void uwsgi_init_cache() {
                 uwsgi.cache_lock = uwsgi_mmap_shared_rwlock();
                 uwsgi_rwlock_init(uwsgi.cache_lock);
 
-                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));
+                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) {

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/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)

emperor.c

@@ -171,7 +171,7 @@ 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, uid_t uid, gid_t gid) {
@@ -314,7 +314,9 @@ void emperor_add(char *name, time_t born, char *config, uint32_t config_size, ui
 					break;
 				}
 				free(oe);
+#ifdef UWSGI_DEBUG
 				uwsgi_log("putenv %s\n", ne);
+#endif
 
 				if (putenv(ne)) {
 					uwsgi_error("putenv()");
@@ -512,6 +514,7 @@ reconnect:
 			uwsgi_error("glob()");
 			exit(1);
 		}
+		globfree(&g);
 		emperor_absolute_dir = realpath(".", NULL);
 	}
 
@@ -614,10 +617,8 @@ reconnect:
 				}
 				}
 			}
-			else if (uwsgi.emperor_stats && uwsgi.emperor_stats_fd > -1) {
-                        	if (interesting_fd == uwsgi.emperor_stats_fd) {
-                                	emperor_send_stats(uwsgi.emperor_stats_fd);
-                                }
+			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);
@@ -647,7 +648,7 @@ reconnect:
 					}
 				}
 				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);
 				}
@@ -746,6 +747,7 @@ reconnect:
 				}
 
 			}
+			globfree(&g);
 		}
 		}
 
@@ -847,6 +849,7 @@ void emperor_send_stats(int fd) {
 
         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()));
 

logging.c

@@ -64,7 +64,7 @@ void log_request(struct wsgi_request *wsgi_req) {
 #endif
 
 	// mark route() requests
-	if (wsgi_req->status == -1) {
+	if (wsgi_req->status == -17) {
 		via = msg3;
 	}
 
@@ -224,3 +224,47 @@ void get_memusage(uint64_t *rss, uint64_t *vsz) {
 #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;
+}

master_utils.c

@@ -102,6 +102,9 @@ int uwsgi_respawn_worker(int wid) {
 		uwsgi.workers[uwsgi.mywid].pid = uwsgi.mypid;
 		uwsgi.workers[uwsgi.mywid].id = uwsgi.mywid;
 		uwsgi.workers[uwsgi.mywid].harakiri = 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)
@@ -317,6 +320,9 @@ void uwsgi_send_stats(int fd) {
 	stats_send_llu("\"listen_queue\": %llu,\n", uwsgi.shared->ti.tcpi_unacked);
 #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()));
 
@@ -324,6 +330,22 @@ void uwsgi_send_stats(int fd) {
 	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, "\"workers\": [\n");
 
 	for (i = 0; i < uwsgi.numproc; i++) {

plugins.c

@@ -94,7 +94,9 @@ check:
 					linkpath_buf[linkpath_size] = '\0';
 					strcpy(linkpath, linkpath_buf);
 				} 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, '/');
@@ -139,6 +141,9 @@ check:
 			}
 			free(plugin_name);
 			free(plugin_entry_symbol);
+
+			if (up->on_load)
+				up->on_load();
 			return plugin_handle;
                 }
                 uwsgi_log( "%s\n", dlerror());

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);
                                         }
                                 }
                         }

plugins/cgi/cgi_plugin.c

@@ -1,27 +1,446 @@
 #include "../../uwsgi.h"
 
-#include <wordexp.h>
-
 extern struct uwsgi_server uwsgi;
 
-char *cgi_docroot;
+struct uwsgi_cgi {
+	struct uwsgi_dyn_dict *mountpoint;
+	struct uwsgi_dyn_dict *helpers;
+	int buffer_size;
+	int timeout;
+	struct uwsgi_string_list *index;
+	struct uwsgi_string_list *allowed_ext;
+	struct uwsgi_string_list *unset;
+	struct uwsgi_string_list *loadlib;
+	int optimize;
+	int has_mountpoints;
+	struct uwsgi_dyn_dict *default_cgi;
+	int path_info;
+} uc ;
 
-#define LONG_ARGS_CGI_BASE	17000 + ((9 + 1) * 1000)
-#define LONG_ARGS_CGI		LONG_ARGS_CGI_BASE + 1
+#define LONG_ARGS_CGI_BASE		17000 + ((9 + 1) * 1000)
+#define LONG_ARGS_CGI			LONG_ARGS_CGI_BASE + 1
+#define LONG_ARGS_CGI_MAP_HELPER	LONG_ARGS_CGI_BASE + 2
+#define LONG_ARGS_CGI_BUFFER_SIZE	LONG_ARGS_CGI_BASE + 3
+#define LONG_ARGS_CGI_TIMEOUT		LONG_ARGS_CGI_BASE + 4
+#define LONG_ARGS_CGI_INDEX		LONG_ARGS_CGI_BASE + 5
+#define LONG_ARGS_CGI_ALLOWED_EXT	LONG_ARGS_CGI_BASE + 6
+#define LONG_ARGS_CGI_UNSET		LONG_ARGS_CGI_BASE + 7
+#define LONG_ARGS_CGI_LOADLIB		LONG_ARGS_CGI_BASE + 8
 
 struct option uwsgi_cgi_options[] = {
 
         {"cgi", required_argument, 0, LONG_ARGS_CGI},
+        {"cgi-map-helper", required_argument, 0, LONG_ARGS_CGI_MAP_HELPER},
+        {"cgi-helper", required_argument, 0, LONG_ARGS_CGI_MAP_HELPER},
+        {"cgi-buffer-size", required_argument, 0, LONG_ARGS_CGI_BUFFER_SIZE},
+        {"cgi-timeout", required_argument, 0, LONG_ARGS_CGI_TIMEOUT},
+        {"cgi-index", required_argument, 0, LONG_ARGS_CGI_INDEX},
+        {"cgi-allowed-ext", required_argument, 0, LONG_ARGS_CGI_ALLOWED_EXT},
+        {"cgi-unset", required_argument, 0, LONG_ARGS_CGI_UNSET},
+        {"cgi-loadlib", required_argument, 0, LONG_ARGS_CGI_LOADLIB},
+        {"cgi-optimize", no_argument, &uc.optimize, 1},
+        {"cgi-optimized", no_argument, &uc.optimize, 1},
+        {"cgi-path-info", no_argument, &uc.path_info, 1},
         {0, 0, 0, 0},
 
 };
 
+void uwsgi_cgi_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\n\r\nNot Found", 35);
+}
+
+void uwsgi_cgi_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\n\r\nForbidden", 35);
+
+}
+
+void uwsgi_cgi_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++;
+	}
+}
+
+void uwsgi_cgi_apps() {
+
+	struct uwsgi_dyn_dict *udd = uc.mountpoint;
+	struct stat st;
+
+	while(udd) {
+		if (udd->vallen) {
+			if (uc.optimize) {
+				udd->value = realpath(udd->value, NULL);	
+				if (!udd->value) {
+					uwsgi_log("unable to find CGI path %.*s\n", udd->vallen, udd->value);
+					exit(1);
+				}
+				udd->vallen = strlen(udd->value);
+				udd->status = 1;
+				if (stat(udd->value, &st)) {
+					uwsgi_error("stat()");
+					uwsgi_log("something horrible happened during CGI initialization\n");
+					exit(1);
+				}
+
+				if (!S_ISDIR(st.st_mode)) {
+					udd->status = 2;
+				}
+			}
+			uc.has_mountpoints = 1;
+			uwsgi_log("initialized CGI mountpoint: %.*s = %.*s\n", udd->keylen, udd->key, udd->vallen, udd->value);
+		}
+		else {
+			if (uc.optimize) {
+				udd->key = realpath(udd->key, NULL);
+				if (!udd->key) {
+                                        uwsgi_log("unable to find CGI path %.*s\n", udd->keylen, udd->key);
+                                        exit(1);
+                                }
+                                udd->keylen = strlen(udd->key);
+				udd->status = 1;
+
+				if (stat(udd->key, &st)) {
+                                        uwsgi_error("stat()");  
+                                        uwsgi_log("something horrible happened during CGI initialization\n");
+                                        exit(1);
+                                }
+
+                                if (!S_ISDIR(st.st_mode)) {
+                                        udd->status = 2;
+                                }
+
+			}
+			uwsgi_log("initialized CGI path: %.*s\n", udd->keylen, udd->key);
+			uc.default_cgi = udd;
+		}
+		udd = udd->next;
+	}
+
+}
+
 int uwsgi_cgi_init(){
 
+	void (*cgi_sym)(void);
 
-	uwsgi_log("initialized CGI engine\n");
+	if (!uc.buffer_size) uc.buffer_size = 65536;
+	if (!uc.timeout) uc.timeout = 60;
+
+	struct uwsgi_string_list *ll = uc.loadlib;
+	while(ll) {
+		char *colon = strchr(ll->value, ':');
+		if (!colon) {
+			uwsgi_log("invalid cgi-loadlib syntax, must be in the form lib:func\n");
+			exit(1);
+		}
+		*colon = 0;
+		void *cgi_lib = dlopen(ll->value, RTLD_NOW | RTLD_GLOBAL);
+		if (!cgi_lib) {
+			uwsgi_log( "cgi-loadlib: %s\n", dlerror());
+			exit(1);
+		}
+
+		cgi_sym = dlsym(cgi_lib, colon+1);
+		if (!cgi_sym) {
+			uwsgi_log("unknown symbol %s in lib %s\n", colon+1, ll->value);
+			exit(1);
+		}
+
+		cgi_sym();
+		uwsgi_log("[cgi-loadlib] loaded symbol %s from %s\n", colon+1, ll->value);
+
+		*colon = ':';
+		ll = ll->next;
+	}
+
+	return 0;	
+
+}
+
+char *uwsgi_cgi_get_helper(char *filename) {
+
+	struct uwsgi_dyn_dict *helpers = uc.helpers;
+	size_t len = strlen(filename);
+
+	while(helpers) {
+		if (len >= (size_t) helpers->keylen) {
+			if (!uwsgi_strncmp((filename+len)-helpers->keylen, helpers->keylen, helpers->key, helpers->keylen)) {
+				return helpers->value;
+			}
+		}
+		helpers = helpers->next;
+	}
+
+	return NULL;
+	
+}
+
+int uwsgi_cgi_parse(struct wsgi_request *wsgi_req, char *buf, size_t len) {
+
+	size_t i;
+	char *key = buf, *value = NULL;
+	size_t header_size = 0;
+	int status_sent = 0;
+
+	struct uwsgi_string_list *ah = uwsgi.additional_headers;
+
+	struct iovec iov[4];
+
+	for(i=0;i<len;i++) {
+		// end of a line
+		if (buf[i] == '\n') {
+			// end of headers
+			if (key == NULL) {
+				goto send_body;
+			}
+			// invalid header
+			else if (value == NULL) {
+				return -1;	
+			}
+			header_size = (buf+i) - key;
+			// security check
+			if (buf+i > buf) {
+				if ((buf[i-1]) == '\r') {
+					header_size--;
+				}
+			}
+
+#ifdef UWSGI_DEBUG
+			uwsgi_log("found CGI header: %.*s\n", header_size, key);
+#endif
+
+			if (status_sent == 0) {
+				// "Status: NNN"
+				if (header_size >= 11) {
+					if (!strncasecmp("Status: ", key, 8)) {
+						wsgi_req->status = uwsgi_str3_num(key+8);
+						iov[0].iov_base = wsgi_req->protocol;
+						iov[0].iov_len = wsgi_req->protocol_len;
+						iov[1].iov_base = " ";
+                                		iov[1].iov_len = 1;
+						iov[2].iov_base = key+8;
+						iov[2].iov_len = header_size - 8;
+						iov[3].iov_base = "\r\n";
+                                		iov[3].iov_len = 2;
+						wsgi_req->headers_size += wsgi_req->socket->proto_writev_header(wsgi_req, iov, 4);
+						status_sent = 1;
+						key = NULL;
+						value = NULL;
+						continue;
+					}
+				}
+			}
+
+			// default status
+			if (status_sent == 0) {
+
+				// Location: X
+				if (header_size >= 11) {
+					if (!strncasecmp("Location: ", key, 10)) {
+
+						wsgi_req->status = 302;
+						iov[0].iov_base = wsgi_req->protocol;
+						iov[0].iov_len = wsgi_req->protocol_len;
+						iov[1].iov_base = " 302 Found\r\n";
+						iov[1].iov_len = 12;
+						wsgi_req->headers_size += wsgi_req->socket->proto_writev_header(wsgi_req, iov, 2);
+						status_sent = 1;
+					}
+				}
+
+				if (status_sent == 0) {
+					wsgi_req->status = 200;
+					iov[0].iov_base = wsgi_req->protocol;
+					iov[0].iov_len = wsgi_req->protocol_len;
+					iov[1].iov_base = " 200 OK\r\n";
+					iov[1].iov_len = 9;
+					wsgi_req->headers_size += wsgi_req->socket->proto_writev_header(wsgi_req, iov, 2);
+					status_sent = 1;
+				}
+			}
+
+			iov[0].iov_base = key;
+			iov[0].iov_len = header_size;
+			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++;
+
+			key = NULL;
+			value = NULL;
+		}
+		else if (buf[i] == ':') {
+			value = buf+i;
+		}
+		else if (buf[i] != '\r') {
+			if (key == NULL) {
+				key = buf + i;
+			}
+		}
+	}
+
+	return -1;
+
+send_body:
+
+        while(ah) {
+        	iov[0].iov_base = ah->value;
+        	iov[0].iov_len = ah->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++;
+        	ah = ah->next;
+        }
+
+	wsgi_req->headers_size += wsgi_req->socket->proto_write_header(wsgi_req, "\r\n", 2);
+	if (len-i > 0) {
+		wsgi_req->response_size += wsgi_req->socket->proto_write(wsgi_req, buf+i, len-i);
+	}
+
+	return 0;	
+}
+
+char *uwsgi_cgi_get_docroot(char *path_info, uint16_t path_info_len, int *need_free, int *is_a_file, int *discard_base, char **script_name) {
+
+	struct uwsgi_dyn_dict *udd = uc.mountpoint, *choosen_udd = NULL;
+	int best_found = 0;
+	struct stat st;
+	char *path = NULL;
+
+	if (uc.has_mountpoints) {
+		while(udd) {
+			if (udd->vallen) {
+				if (!uwsgi_starts_with(path_info, path_info_len, udd->key, udd->keylen) && udd->keylen > best_found) {
+					best_found = udd->keylen ;
+					choosen_udd = udd;
+					path = udd->value;
+					*script_name = udd->key;
+					*discard_base = udd->keylen;
+					if (udd->key[udd->keylen-1] == '/') {
+						*discard_base = *discard_base-1;
+					}
+				}
+			}
+			udd = udd->next;
+		}
+	}
+
+	if (choosen_udd == NULL) {
+		choosen_udd = uc.default_cgi;
+		if (!choosen_udd) return NULL;
+		path = choosen_udd->key;
+	}
+
+	if (choosen_udd->status == 0) {
+		char *tmp_udd = realpath(path, NULL);
+		if (!tmp_udd) {
+			return NULL;
+		}
+
+		if (stat(tmp_udd, &st)) {
+			uwsgi_error("stat()");
+			free(tmp_udd);
+			return NULL;
+		}
+
+		if (!S_ISDIR(st.st_mode)) {
+			*is_a_file = 1;
+		}
+
+		*need_free = 1;
+		return tmp_udd;
+	}
+
+	if (choosen_udd->status == 2)
+		*is_a_file = 1;
+	return path;
+}
+
+int uwsgi_cgi_walk(struct wsgi_request *wsgi_req, char *full_path, char *docroot, size_t docroot_len, int discard_base, char **path_info) {
+
+	// and now start walking...
+        uint16_t i;
+        char *ptr = wsgi_req->path_info+discard_base;
+        char *dst = full_path+docroot_len;
+        char *part = ptr;
+        int part_size = 0;
+	struct stat st;
+
+        if (ptr[0] == '/') part_size++;
+
+        for(i=0;i<wsgi_req->path_info_len-discard_base;i++) {
+        	if (ptr[i] == '/') {
+                	memcpy(dst, part, part_size-1);
+                        *(dst+part_size-1) = 0;
+
+                        if (stat(full_path, &st)) {
+                        	uwsgi_cgi_404(wsgi_req);
+                                return -1;
+                        }
+
+
+			// not a directory, stop walking
+                        if (!S_ISDIR(st.st_mode)) {
+				if (i < (wsgi_req->path_info_len-discard_base)-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;
 
-	return 1;
 
 }
 
@@ -30,10 +449,21 @@ int uwsgi_cgi_request(struct wsgi_request *wsgi_req) {
 	int i;
 	pid_t cgi_pid;
 	int waitpid_status;
-	char *argv[2];
+	char *argv[3];
 	char full_path[PATH_MAX];
+	char tmp_path[PATH_MAX];
 	int cgi_pipe[2];
 	ssize_t len;
+	struct stat cgi_stat;
+	int need_free = 0;
+	int is_a_file = 0;
+	int discard_base = 0;
+	size_t docroot_len = 0;
+	size_t full_path_len = 0;
+	char *helper = NULL;
+	char *command = NULL;
+	char *path_info = NULL;
+	char *script_name = NULL;
 
 	/* Standard CGI request */
 	if (!wsgi_req->uh.pktsize) {
@@ -43,28 +473,141 @@ int uwsgi_cgi_request(struct wsgi_request *wsgi_req) {
 
 
 	if (uwsgi_parse_vars(wsgi_req)) {
-		uwsgi_log("Invalid CGI request. skip.\n");
 		return -1;
 	}
 
 	// check for file availability (and 'runnability')
 
-	char *path_info = uwsgi_concat4n(cgi_docroot, strlen(cgi_docroot), "/", 1,wsgi_req->path_info, wsgi_req->path_info_len, "", 0);
-	uwsgi_log("requested %s %s\n", path_info, realpath(path_info, full_path));
+	char *docroot = uwsgi_cgi_get_docroot(wsgi_req->path_info, wsgi_req->path_info_len, &need_free, &is_a_file, &discard_base, &script_name);
 
-	if (access(full_path, R_OK)) {
-		wsgi_req->status = 404;
-		wsgi_req->socket->proto_write(wsgi_req, "HTTP/1.1 404 Not Found\r\n\r\n", 26);
+	if (docroot == NULL) {
+		uwsgi_cgi_404(wsgi_req);
 		return UWSGI_OK;
 	}
 
-	if (access(full_path, X_OK)) {
-		wsgi_req->status = 500;
-		wsgi_req->socket->proto_write(wsgi_req, "HTTP/1.1 500 Internal Server Error\r\n\r\n", 26);
+	docroot_len = strlen(docroot);
+	memcpy(full_path, docroot, docroot_len);
+
+	if (!is_a_file) {
+
+		*(full_path+docroot_len) = '/';
+		*(full_path+docroot_len+1) = 0;
+
+		if (uwsgi_cgi_walk(wsgi_req, full_path, docroot, docroot_len, discard_base, &path_info)) {
+			if (need_free)
+				free(docroot);
+			return UWSGI_OK;
+		}
+
+		if (realpath(full_path, tmp_path) == NULL) {
+			if (need_free)
+				free(docroot);
+			uwsgi_cgi_404(wsgi_req);
+			return UWSGI_OK;
+		}
+
+		full_path_len = strlen(tmp_path);
+		// add +1 to copy the null byte
+		memcpy(full_path, tmp_path, full_path_len+1);
+
+		if (uwsgi_starts_with(full_path, full_path_len, docroot, docroot_len)) {
+			if (need_free)
+				free(docroot);
+                	uwsgi_log("CGI security error: %s is not under %s\n", full_path, docroot);
+                	return -1;
+        	}
+
+	}
+	else {
+		*(full_path+docroot_len) = 0;
+		path_info = wsgi_req->path_info+discard_base;
+	}
+
+	if (stat(full_path, &cgi_stat)) {
+		uwsgi_cgi_404(wsgi_req);
+		if (need_free)
+			free(docroot);
 		return UWSGI_OK;
 	}
 
+	if (S_ISDIR(cgi_stat.st_mode)) {
+
+		// add / to directories
+		if (wsgi_req->path_info_len == 0 || wsgi_req->path_info[wsgi_req->path_info_len-1] != '/') {
+			uwsgi_cgi_redirect_to_slash(wsgi_req);
+			if (need_free)
+                        	free(docroot);
+                	return UWSGI_OK;
+		}
+		struct uwsgi_string_list *ci = uc.index;
+		full_path[full_path_len] = '/';
+		full_path_len++;
+		int found = 0;
+		while(ci) {
+			if (full_path_len + ci->len + 1 < PATH_MAX) {
+				// add + 1 to ensure null byte
+				memcpy(full_path+full_path_len, ci->value, ci->len + 1);
+				if (!access(full_path, R_OK)) {
+					found = 1;
+					break;
+				}
+			}
+			ci = ci->next;
+		}
+
+		if (!found) {
+			uwsgi_cgi_404(wsgi_req);
+			if (need_free)
+				free(docroot);
+			return UWSGI_OK;
+		}
+
+	}
+	else {
+		full_path_len = strlen(full_path);
+	}
+
+	int cgi_allowed = 1;
+	struct uwsgi_string_list *allowed = uc.allowed_ext;
+	while(allowed) {
+		cgi_allowed = 0;
+		if (full_path_len >= allowed->len) {
+			if (!uwsgi_strncmp(full_path+(full_path_len-allowed->len), allowed->len, allowed->value, allowed->len)) {
+				cgi_allowed = 1;
+				break;
+			}
+		}
+		allowed = allowed->next;
+	}
+
+	if (!cgi_allowed) {
+		uwsgi_cgi_403(wsgi_req);
+		if (need_free)
+			free(docroot);
+		return UWSGI_OK;
+	}
+
+	if (is_a_file) {
+		command = docroot;
+	}
+	else {
+		command = full_path;
+		helper = uwsgi_cgi_get_helper(full_path);
+
+		if (helper == NULL) {
+			if (access(full_path, X_OK)) {
+				uwsgi_error("access()");
+				uwsgi_cgi_403(wsgi_req);
+                		if (need_free)
+                        		free(docroot);
+				return UWSGI_OK;
+			}
+		}
+	}
+
 	if (pipe(cgi_pipe)) {
+		if (need_free)
+			free(docroot);
 		uwsgi_error("pipe()");
 		return UWSGI_OK;
 	}
@@ -73,48 +616,92 @@ int uwsgi_cgi_request(struct wsgi_request *wsgi_req) {
 
 	if (cgi_pid < 0) {
 		uwsgi_error("fork()");
+		if (need_free)
+			free(docroot);
 		return -1;
 	}
 
 	if (cgi_pid > 0) {
-		// close input
-		close(wsgi_req->poll.fd);
-		wsgi_req->fd_closed = 1;
 
+		if (need_free)
+			free(docroot);
+
+		close(cgi_pipe[1]);
 		// wait for data
-		char startbuf[8];
-		char *ptr = startbuf;
-		int remains = 8;
+		char *headers_buf = uwsgi_malloc(uc.buffer_size);
+		char *ptr = headers_buf;
+		size_t remains = uc.buffer_size;
+		int completed = 0;
 		while(remains > 0) {
-			uwsgi_log("waiting for fd\n");
-			int ret = uwsgi_waitfd(cgi_pipe[0], 10);
-			uwsgi_log("data available\n");
+			int ret = uwsgi_waitfd(cgi_pipe[0], uc.timeout);
 			if (ret > 0) {
 				len = read(cgi_pipe[0], ptr, remains);
 				if (len > 0) {
 					ptr+=len;
 					remains -= len;
 				}
+				else if (len == 0) {
+					completed = 1;
+					break;
+				}
+				else {
+					uwsgi_error("read()");
+					goto clear;
+				}
+				continue;
 			}
+			else if (ret == 0) {
+				uwsgi_log("CGI timeout !!!\n");
+				goto clear;
+			}
+			break;
 		}
 
-		uwsgi_log("STARTBUF %.*s\n", 8, startbuf);
-
-		if (!memcmp(startbuf, "Status: ", 8)) {
-			wsgi_req->socket->proto_write(wsgi_req, "HTTP/1.1 "
+		if (uwsgi_cgi_parse(wsgi_req, headers_buf, uc.buffer_size-remains)) {
+			uwsgi_log("invalid CGI output !!!\n");
+			goto clear;
 		}
 
-		// now wait for fd	
-		if (waitpid(cgi_pid, &waitpid_status ,0) > 0) {
-			uwsgi_log("CGI FINISHED\n");
+		while (!completed) {
+			int ret = uwsgi_waitfd(cgi_pipe[0], uc.timeout);
+			if (ret > 0) {
+				len = read(cgi_pipe[0], headers_buf, uc.buffer_size);
+				if (len > 0) {
+					wsgi_req->response_size += wsgi_req->socket->proto_write(wsgi_req, headers_buf, len);
+				}
+				// end of output
+				else if (len == 0) {
+					break;
+				}
+				else {
+					uwsgi_error("read()");
+					goto clear;
+				}
+				continue;
+			}
+			else if (ret == 0) {
+                                uwsgi_log("CGI timeout !!!\n");
+                                goto clear;
+                        }
+                        break;
 		}
-		return 0;
+
+clear:
+		free(headers_buf);
+		close(cgi_pipe[0]);
+
+		// now wait for process exit/death
+		if (waitpid(cgi_pid, &waitpid_status, 0) < 0) {
+			uwsgi_error("waitpid()");
+		}
+
+		return UWSGI_OK;
 	}
 
 	// close all the fd except wsgi_req->poll.fd and 2;
 
 	for(i=0;i< (int)uwsgi.max_fd;i++) {
-		if (i != wsgi_req->poll.fd && i != 2 && i != cgi_pipe[0] && i != cgi_pipe[1]) {
+		if (i != wsgi_req->poll.fd && i != 2 && i != cgi_pipe[1]) {
 			close(i);
 		}
 	}
@@ -125,10 +712,12 @@ int uwsgi_cgi_request(struct wsgi_request *wsgi_req) {
 		close(wsgi_req->poll.fd);
 	}
 
+#ifdef UWSGI_DEBUG
 	uwsgi_log("mapping cgi_pipe %d to 1\n", cgi_pipe[1]);
+#endif
+
 	dup2(cgi_pipe[1],1);
 	
-
 	// fill cgi env
 	for(i=0;i<wsgi_req->var_cnt;i++) {
 		// no need to free the putenv() memory
@@ -139,16 +728,109 @@ int uwsgi_cgi_request(struct wsgi_request *wsgi_req) {
 	}
 
 
-	argv[0] = full_path;
-	argv[1] = NULL;
-	if (execv(argv[0], argv)) {
-		uwsgi_error("execv()");
+	if (setenv("GATEWAY_INTERFACE", "CGI/1.1", 0)) {
+		uwsgi_error("setenv()");
+	}
+
+	if (setenv("SERVER_SOFTWARE", uwsgi_concat2("uWSGI/", UWSGI_VERSION), 0)) {
+		uwsgi_error("setenv()");
+	}
+
+	// for newer php
+	if (setenv("REDIRECT_STATUS", "200", 0)) {
+		uwsgi_error("setenv()");
+	}
+
+	if (path_info && wsgi_req->path_info_len-discard_base > 0) {
+		if (setenv("PATH_INFO", uwsgi_concat2n(path_info, wsgi_req->path_info_len-discard_base, "", 0), 1)) {
+			uwsgi_error("setenv()");
+		}
+
+		if (setenv("PATH_TRANSLATED", uwsgi_concat4n(docroot, docroot_len, "/", 1, path_info, wsgi_req->path_info_len-discard_base, "", 0) , 1)) {
+			uwsgi_error("setenv()");
+		}
+	}
+	else {
+		unsetenv("PATH_INFO");
+		unsetenv("PATH_TRANSLATED");
+	}
+
+	if (is_a_file) {
+		if (setenv("DOCUMENT_ROOT", uwsgi.cwd, 0)) {
+			uwsgi_error("setenv()");
+		}
+
+		if (setenv("SCRIPT_FILENAME", docroot, 0)) {
+			uwsgi_error("setenv()");
+		}
+
+		if (script_name && discard_base > 1) {
+			if (setenv("SCRIPT_NAME", uwsgi_concat2n(script_name, discard_base, "", 0), 1)) {
+				uwsgi_error("setenv()");
+			}
+		}
+	}
+	else {
+		if (setenv("DOCUMENT_ROOT", docroot, 0)) {
+			uwsgi_error("setenv()");
+		}
+
+		if (setenv("SCRIPT_FILENAME", full_path, 0)) {
+			uwsgi_error("setenv()");
+		}
+
+		if (setenv("SCRIPT_NAME", full_path+(docroot_len-discard_base), 1)) {
+			uwsgi_error("setenv()");
+		}
+
+		char *base = uwsgi_get_last_char(full_path, '/');
+		if (base) {
+			// a little trick :P
+			*base = 0;
+			if (chdir(full_path)) {
+                                uwsgi_error("chdir()");
+                        }
+			*base = '/';
+		}
+		else {
+			if (chdir(docroot)) {
+				uwsgi_error("chdir()");
+			}
+		}
+	}
+
+	struct uwsgi_string_list *drop_env = uc.unset;
+	while(drop_env) {
+		unsetenv(drop_env->value);
+		drop_env = drop_env->next;
+	}
+
+	if (helper) {
+		if (!uwsgi_starts_with(helper, strlen(helper), "sym://", 6)) {
+			void (*cgi_func)(char *) = dlsym(RTLD_DEFAULT, helper+6);
+			if (cgi_func) {
+				cgi_func(command);
+			}
+			else {
+				uwsgi_log("unable to find symbol %s\n", helper+6);
+			}
+			exit(0);	
+		}
+		argv[0] = helper;
+		argv[1] = command;
+		argv[2] = NULL;
+	}
+	else {
+		argv[0] = command;
+		argv[1] = NULL;
+	}
+
+	if (execvp(argv[0], argv)) {
+		uwsgi_error("execvp()");
 	}
 
 	// never here
 	exit(1);
-
-	return 0;
 }
 
 
@@ -160,10 +842,44 @@ void uwsgi_cgi_after_request(struct wsgi_request *wsgi_req) {
 
 int uwsgi_cgi_manage_options(int i, char *optarg) {
 
+	char *value;
+
         switch(i) {
                 case LONG_ARGS_CGI:
-                        cgi_docroot = optarg;
+			value = strchr(optarg, '=');
+			if (!value) {
+				uwsgi_dyn_dict_new(&uc.mountpoint, optarg, strlen(optarg), NULL, 0);
+			}
+			else {
+				uwsgi_dyn_dict_new(&uc.mountpoint, optarg, value-optarg, value+1, strlen(value+1));
+			}
                         return 1;
+                case LONG_ARGS_CGI_BUFFER_SIZE:
+                        uc.buffer_size = atoi(optarg);
+                        return 1;
+                case LONG_ARGS_CGI_TIMEOUT:
+                        uc.timeout = atoi(optarg);
+                        return 1;
+                case LONG_ARGS_CGI_INDEX:
+			uwsgi_string_new_list(&uc.index, optarg);
+                        return 1;
+                case LONG_ARGS_CGI_ALLOWED_EXT:
+			uwsgi_string_new_list(&uc.allowed_ext, optarg);
+                        return 1;
+                case LONG_ARGS_CGI_LOADLIB:
+			uwsgi_string_new_list(&uc.loadlib, uwsgi_str(optarg));
+                        return 1;
+                case LONG_ARGS_CGI_UNSET:
+			uwsgi_string_new_list(&uc.unset, optarg);
+                        return 1;
+		case LONG_ARGS_CGI_MAP_HELPER:
+			value = strchr(optarg, '=');
+			if (!value) {
+				uwsgi_log("invalid CGI helper syntax, must be ext=command\n");
+				exit(1);
+			}
+			uwsgi_dyn_dict_new(&uc.helpers, optarg, value-optarg, value+1, strlen(value+1));
+			return 1;
         }
 
         return 0;
@@ -175,6 +891,7 @@ struct uwsgi_plugin cgi_plugin = {
 	.name = "cgi",
 	.modifier1 = 9,
 	.init = uwsgi_cgi_init,
+	.init_apps = uwsgi_cgi_apps,
 	.options = uwsgi_cgi_options,
 	.manage_opt = uwsgi_cgi_manage_options,
 	.request = uwsgi_cgi_request,

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/erlang/erlang.c

@@ -94,7 +94,8 @@ void uwsgi_erlang_rpc(int fd, erlang_pid *from, ei_x_buff *x) {
 	char *call;
 	char buffer[0xffff];
 
-	char *argv[0xff] ;
+	char *argv[256] ;
+	uint16_t argvs[256] ;
 	int argc = 0;
 	uint16_t ret;
 	ei_x_buff xr;
@@ -215,14 +216,16 @@ 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);

plugins/fastrouter/fastrouter.c

@@ -21,6 +21,8 @@
 #define LONG_ARGS_FASTROUTER_SUBSCRIPTION_SLOT		150007
 #define LONG_ARGS_FASTROUTER_USE_CODE_STRING		150008
 #define LONG_ARGS_FASTROUTER_TOLERANCE			150009
+#define LONG_ARGS_FASTROUTER_STATS			150010
+#define LONG_ARGS_FASTROUTER_ZERG			150011
 
 #define FASTROUTER_STATUS_FREE 0
 #define FASTROUTER_STATUS_CONNECTING 1
@@ -33,9 +35,12 @@
 #define del_check_timeout(x) rb_erase(&x->rbt, ufr.timeouts);
 #define del_timeout(x) rb_erase(&x->timeout->rbt, ufr.timeouts); free(x->timeout);
 
+void fastrouter_send_stats(int);
+
 struct uwsgi_fastrouter_socket {
 	char *name;
 	int fd;
+	char *zerg;
 	struct uwsgi_fastrouter_socket *next;
 };
 
@@ -56,6 +61,8 @@ struct uwsgi_fastrouter {
         char *base;
         int base_len;
 
+	char *stats_server;
+
         char *subscription_server;
         struct uwsgi_subscribe_slot *subscriptions;
 	int subscription_regexp;
@@ -88,7 +95,7 @@ static void fastrouter_go_cheap(void) {
 }
 
 
-static struct uwsgi_fastrouter_socket *uwsgi_fastrouter_new_socket(char *name) {
+static struct uwsgi_fastrouter_socket *uwsgi_fastrouter_new_socket(char *name, int fd) {
 
         struct uwsgi_fastrouter_socket *uwsgi_sock = ufr.sockets, *old_uwsgi_sock;
 
@@ -108,6 +115,12 @@ static struct uwsgi_fastrouter_socket *uwsgi_fastrouter_new_socket(char *name) {
 
         memset(uwsgi_sock, 0, sizeof(struct uwsgi_fastrouter_socket));
         uwsgi_sock->name = name;
+	if (name) {
+		uwsgi_sock->fd = -1;
+	}
+	else {
+		uwsgi_sock->fd = fd;
+	}
 
         return uwsgi_sock;
 }
@@ -116,6 +129,7 @@ static struct uwsgi_fastrouter_socket *uwsgi_fastrouter_new_socket(char *name) {
 
 struct option fastrouter_options[] = {
 	{"fastrouter", required_argument, 0, LONG_ARGS_FASTROUTER},
+	{"fastrouter-zerg", required_argument, 0, LONG_ARGS_FASTROUTER_ZERG},
 	{"fastrouter-use-cache", no_argument, &ufr.use_cache, 1},
 	{"fastrouter-use-pattern", required_argument, 0, LONG_ARGS_FASTROUTER_USE_PATTERN},
 	{"fastrouter-use-base", required_argument, 0, LONG_ARGS_FASTROUTER_USE_BASE},
@@ -126,6 +140,9 @@ struct option fastrouter_options[] = {
 	{"fastrouter-subscription-slot", required_argument, 0, LONG_ARGS_FASTROUTER_SUBSCRIPTION_SLOT},
 	{"fastrouter-subscription-use-regexp", no_argument, &ufr.subscription_regexp, 1},
 	{"fastrouter-timeout", required_argument, 0, LONG_ARGS_FASTROUTER_TIMEOUT},
+	{"fastrouter-stats", required_argument, 0, LONG_ARGS_FASTROUTER_STATS},
+	{"fastrouter-stats-server", required_argument, 0, LONG_ARGS_FASTROUTER_STATS},
+	{"fastrouter-ss", required_argument, 0, LONG_ARGS_FASTROUTER_STATS},
 	{0, 0, 0, 0},	
 };
 
@@ -143,10 +160,15 @@ void fastrouter_manage_subscription(char *key, uint16_t keylen, char *val, uint1
 		usr->address = val;
 		usr->address_len = vallen;
 	}
-
 	else if (!uwsgi_strncmp("modifier1", 9, key, keylen)) {
 		usr->modifier1 = uwsgi_str_num(val, vallen);
 	}
+	else if (!uwsgi_strncmp("cores", 5, key, keylen)) {
+		usr->cores = uwsgi_str_num(val, vallen);
+	}
+	else if (!uwsgi_strncmp("load", 4, key, keylen)) {
+		usr->load = uwsgi_str_num(val, vallen);
+	}
 }
 
 struct fastrouter_session {
@@ -181,7 +203,7 @@ static void close_session(struct fastrouter_session **fr_table, struct fastroute
 
 	close(fr_session->fd);
 	fr_table[fr_session->fd] = NULL;
-	if (fr_session->instance_fd != -1) {
+
 		if (ufr.subscriptions && fr_session->un && fr_session->un->len > 0) {
 			// decrease reference count
 #ifdef UWSGI_DEBUG
@@ -194,6 +216,7 @@ static void close_session(struct fastrouter_session **fr_table, struct fastroute
 			if (fr_session->instance_failed || fr_session->status == FASTROUTER_STATUS_CONNECTING) {
 				if (fr_session->un->death_mark == 0)
 					uwsgi_log("[uwsgi-fastrouter] %.*s => marking %.*s as failed\n", (int) fr_session->hostname_len, fr_session->hostname, (int) fr_session->instance_address_len,fr_session->instance_address);
+				fr_session->un->failcnt++;
 				fr_session->un->death_mark = 1;
 				// check if i can remove the node
 				if (fr_session->un->reference == 0) {
@@ -205,6 +228,8 @@ static void close_session(struct fastrouter_session **fr_table, struct fastroute
 
 			}
 		}
+
+	if (fr_session->instance_fd != -1) {
 		close(fr_session->instance_fd);
 		fr_table[fr_session->instance_fd] = NULL;
 	}
@@ -308,6 +333,7 @@ void fastrouter_loop() {
         socklen_t solen = sizeof(int);
 
 	int ufr_subserver = -1;
+	int ufr_stats_server = -1;
 
 	for(i=0;i<2048;i++) {
 		fr_table[i] = NULL;
@@ -318,7 +344,10 @@ void fastrouter_loop() {
 	struct uwsgi_fastrouter_socket *ufr_sock = ufr.sockets;
 
 	while(ufr_sock) {
-		if (ufr_sock->name[0] == '=') {
+		if (ufr_sock->fd > -1) {
+			ufr_sock->name = uwsgi_getsockname(ufr_sock->fd);
+		}
+		else if (ufr_sock->name[0] == '=') {
 			int shared_socket = atoi(ufr_sock->name+1);
 			if (shared_socket >= 0) {
 				ufr_sock->fd = uwsgi_get_shared_socket_fd_by_num(shared_socket);
@@ -337,7 +366,12 @@ void fastrouter_loop() {
 			}
 		}
 
-		uwsgi_log("uwsgi fastrouter/proxy bound on %s\n", ufr_sock->name);
+		if (ufr_sock->zerg) {
+			uwsgi_log("uwsgi fastrouter/proxy bound on %s (from zerg server %s)\n", ufr_sock->name, ufr_sock->zerg);
+		}
+		else {
+			uwsgi_log("uwsgi fastrouter/proxy bound on %s\n", ufr_sock->name);
+		}
 
 		if (!ufr.cheap) {
 			event_queue_add_fd_read(ufr.queue, ufr_sock->fd);
@@ -364,6 +398,23 @@ void fastrouter_loop() {
 		//ufr.subscriptions_check = add_check_timeout(10);
 	}
 
+	if (ufr.stats_server) {
+		char *tcp_port = strchr(ufr.stats_server, ':');
+                if (tcp_port) {
+                        // disable deferred accept for this socket
+                        int current_defer_accept = uwsgi.no_defer_accept;
+                        uwsgi.no_defer_accept = 1;
+                        ufr_stats_server = bind_to_tcp(ufr.stats_server, uwsgi.listen_queue, tcp_port);
+                        uwsgi.no_defer_accept = current_defer_accept;
+                }
+                else {
+                        ufr_stats_server = bind_to_unix(ufr.stats_server, uwsgi.listen_queue, uwsgi.chmod_socket, uwsgi.abstract_socket);
+                }
+
+                event_queue_add_fd_read(ufr.queue, ufr_stats_server);
+                uwsgi_log("*** FastRouter stats server enabled on %s fd: %d ***\n", ufr.stats_server, ufr_stats_server);
+	}
+
 	if (ufr.pattern) {
 		init_magic_table(magic_table);
 	}
@@ -430,7 +481,10 @@ void fastrouter_loop() {
 				continue;
 			}
 
-			if (interesting_fd == ufr_subserver) {
+			if (interesting_fd == ufr_stats_server) {
+                        	fastrouter_send_stats(ufr_stats_server);
+			}
+			else if (interesting_fd == ufr_subserver) {
 				len = recv(ufr_subserver, bbuf, 4096, 0);
 #ifdef UWSGI_EVENT_USE_PORT
 				event_queue_add_fd_read(ufr.queue, ufr_subserver);
@@ -456,6 +510,7 @@ void fastrouter_loop() {
 						if (node && node->len) {
 							if (node->death_mark == 0)
 								uwsgi_log("[uwsgi-fastrouter] %.*s => marking %.*s as failed\n", (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) {
@@ -486,7 +541,8 @@ void fastrouter_loop() {
 					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) {
-							uwsgi_error("recv()");
+							if (len < 0)
+								uwsgi_error("recv()");
 							close_session(fr_table, fr_session);
 							break;
 						}
@@ -755,14 +811,39 @@ int fastrouter_opt(int i, char *optarg) {
 	char *cs;
 	char *cs_code;
 	char *cs_func;
+	int zerg_fd;
+	int *zerg;
+	int j;
+	struct uwsgi_fastrouter_socket *fr_sock;
 
 	switch(i) {
 		case LONG_ARGS_FASTROUTER:
-			uwsgi_fastrouter_new_socket(generate_socket_name(optarg));
+			uwsgi_fastrouter_new_socket(generate_socket_name(optarg), -1);
+			return 1;
+		case LONG_ARGS_FASTROUTER_ZERG:
+			zerg_fd = uwsgi_connect(optarg, 30, 0);
+                	if (zerg_fd < 0) {
+                        	uwsgi_log("--- unable to connect to zerg server ---\n");
+                        	exit(1);
+                	}
+                	zerg = uwsgi_attach_fd(zerg_fd, 8, "uwsgi-zerg", 11);
+                	if (zerg == NULL) {
+                        	uwsgi_log("--- invalid data received from zerg-server ---\n");
+                        	exit(1);
+                	}
+                	close(zerg_fd);
+			for(j=0;j<8;j++) {
+				if (zerg[j] == -1) break;
+				fr_sock = uwsgi_fastrouter_new_socket(NULL, zerg[j]);
+				fr_sock->zerg = optarg;
+			}
 			return 1;
 		case LONG_ARGS_FASTROUTER_SUBSCRIPTION_SERVER:
 			ufr.subscription_server = optarg;
 			return 1;
+		case LONG_ARGS_FASTROUTER_STATS:
+			ufr.stats_server = optarg;
+			return 1;
 		case LONG_ARGS_FASTROUTER_EVENTS:
 			ufr.nevents = atoi(optarg);
 			return 1;
@@ -813,3 +894,89 @@ struct uwsgi_plugin fastrouter_plugin = {
         .init = fastrouter_init,
 };
 
+
+#define stats_send_llu(x, y) fprintf(output, x, (long long unsigned int) y)
+#define stats_send(x, y) fprintf(output, x, y)
+
+void fastrouter_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);
+
+        fprintf(output, "\"fastrouter\": [");
+	struct uwsgi_fastrouter_socket *uwsgi_sock = ufr.sockets;
+        while(uwsgi_sock) {
+		if (uwsgi_sock->next) {
+			stats_send("\"%s\",", uwsgi_sock->name);
+		}
+		else {
+			stats_send("\"%s\"", uwsgi_sock->name);
+		}
+		uwsgi_sock = uwsgi_sock->next;
+	}
+	fprintf(output, "],\n");
+
+	if (ufr.subscription_server) {
+		fprintf(output, "\"subscriptions\": [\n");
+		struct uwsgi_subscribe_slot *s_slot = ufr.subscriptions;
+		while(s_slot) {
+			fprintf(output, "\t{ \"key\": \"%.*s\",\n", s_slot->keylen, s_slot->key);
+			fprintf(output, "\t\t\"hits\": %llu,\n", (unsigned long long) s_slot->hits);
+			fprintf(output, "\t\t\"nodes\": [\n");
+			struct uwsgi_subscribe_node *s_node = s_slot->nodes;
+			while(s_node) {
+				fprintf(output, "\t\t\t{\"name\": \"%.*s\", \"modifier1\": %d, \"modifier2\": %d, \"last_check\": %llu, \"requests\": %llu, \"tx\": %llu, \"cores\": %llu, \"load\": %llu, \"ref\": %llu, \"failcnt\": %llu, \"death_mark\": %d}", s_node->len, s_node->name, s_node->modifier1, s_node->modifier2,
+					(unsigned long long) s_node->last_check,  (unsigned long long) s_node->requests, (unsigned long long) s_node->transferred,
+					(unsigned long long) s_node->cores, (unsigned long long) s_node->load, (unsigned long long) s_node->reference,
+					(unsigned long long) s_node->failcnt, s_node->death_mark);
+				if (s_node->next) {
+					fprintf(output, ",\n");
+				}
+				else {
+					fprintf(output, "\n");
+				}
+				s_node = s_node->next;
+			}
+			fprintf(output, "\t\t]\n");
+			if (s_slot->next) {
+				fprintf(output, "\t},\n");
+			}
+			else {
+				fprintf(output, "\t}\n");
+			}
+			s_slot = s_slot->next;
+			 // check for loopy optimization
+                	if (s_slot == ufr.subscriptions) break;
+		}
+		fprintf(output, "],\n");
+	}
+
+	fprintf(output,"\"cheap\": %d\n", ufr.i_am_cheap);
+
+        fprintf(output,"}\n");
+        fclose(output);
+
+}
+

plugins/fiber/fiber.c

@@ -58,14 +58,13 @@ 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

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/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/http/http.c

@@ -584,7 +584,8 @@ void http_loop() {
 						event_queue_add_fd_read(uhttp_queue, uhttp_session->fd);
 #endif
 						if (len <= 0) {
-							uwsgi_error("recv()");
+							if (len < 0)
+								uwsgi_error("recv()");
 							close_session(uhttp_table, uhttp_session);
 							break;
 						}

plugins/logsocket/logsocket_plugin.c

@@ -0,0 +1,78 @@
+#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);
+}
+
+int uwsgi_logsocket_init() {
+	return 0;
+}
+
+struct uwsgi_plugin logsocket_plugin = {
+
+        .name = "logsocket",
+        .on_load = uwsgi_logsocket_register,
+	.init = uwsgi_logsocket_init
+
+};
+

plugins/logsocket/uwsgiplugin.py

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

plugins/lua/lua_plugin.c

@@ -682,7 +682,7 @@ 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 +698,7 @@ 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) {

plugins/php/config.m4

@@ -0,0 +1,16 @@
+PHP_ARG_WITH(uwsgi,,
+[  --with-uwsgi=UWSGISRCDIR    Build PHP as a uWSGI plugin (UNIX/POSIX only)], no, no)
+
+AC_MSG_CHECKING([for UWSGI])
+if test "$PHP_UWSGI" != "no"; then
+
+  INSTALL_IT="\$(INSTALL) -m 0755 $SAPI_SHARED $PHP_UWSGI/php_plugin.so"
+
+  UWSGI_CFLAGS=`cd $PHP_UWSGI ; python uwsgiconfig.py --cflags`
+  UWSGI_CFLAGS="$UWSGI_CFLAGS -I$PHP_UWSGI"
+
+  PHP_SELECT_SAPI(uwsgi, shared, php_plugin.c, $UWSGI_CFLAGS)
+  AC_MSG_RESULT([$PHP_UWSGI])
+else
+  AC_MSG_RESULT(no)
+fi

plugins/php/php_plugin.c

@@ -0,0 +1,494 @@
+#include "php.h"
+#include "SAPI.h"
+#include "php_main.h"
+#include "php_variables.h"
+
+#include "ext/standard/php_smart_str.h"
+
+#include <uwsgi.h>
+
+extern struct uwsgi_server uwsgi;
+
+// http status codes list
+extern struct http_status_codes hsc[];
+
+struct uwsgi_php {
+	struct uwsgi_string_list *allowed_docroot;
+	struct uwsgi_string_list *allowed_ext;
+} uphp;
+
+#define LONG_ARGS_PHP_BASE		17000 + ((14 + 1) * 1000)
+#define LONG_ARGS_PHP_INI		LONG_ARGS_PHP_BASE + 1
+#define LONG_ARGS_PHP_ALLOWED_DOCROOT	LONG_ARGS_PHP_BASE + 2
+#define LONG_ARGS_PHP_ALLOWED_EXT	LONG_ARGS_PHP_BASE + 3
+
+struct option uwsgi_php_options[] = {
+
+        {"php-ini", required_argument, 0, LONG_ARGS_PHP_INI},
+        {"php-config", required_argument, 0, LONG_ARGS_PHP_INI},
+        {"php-allowed-docroot", required_argument, 0, LONG_ARGS_PHP_ALLOWED_DOCROOT},
+        {"php-allowed-ext", required_argument, 0, LONG_ARGS_PHP_ALLOWED_EXT},
+        {0, 0, 0, 0},
+
+};
+
+
+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);
+
+	ssize_t len = wsgi_req->socket->proto_write(wsgi_req, (char *) str, str_length);
+	if (len != str_length) {
+		php_handle_aborted_connection();
+		return -1;
+	}
+	wsgi_req->response_size += len;
+	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\n\r\nNot Found", 35);
+}
+
+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\n\r\nForbidden", 35);
+
+}
+
+
+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;
+
+	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;
+
+	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);
+	
+	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);
+
+	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);
+
+
+	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);
+	}
+
+	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;
+
+static int php_uwsgi_startup(sapi_module_struct *sapi_module)
+{
+	if (php_module_startup(&uwsgi_sapi_module, NULL, 0)==FAILURE) {
+		return FAILURE;
+	} else {
+		return SUCCESS;
+	}
+}
+
+static void sapi_uwsgi_log_message(char *message) {
+
+	uwsgi_log(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;
+
+	sapi_startup(&uwsgi_sapi_module);
+	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 (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];
+	uint16_t docroot_len = 0;
+	char *path_info = NULL;
+	size_t real_filename_len = 0;
+
+	zend_file_handle file_handle;
+
+	SG(server_context) = (void *) wsgi_req;
+
+	if (uwsgi_parse_vars(wsgi_req)) {
+		return -1;
+	}
+
+	char *docroot = uwsgi_get_var(wsgi_req, (char *) "DOCUMENT_ROOT", 13, &docroot_len);
+
+	if (!docroot) {
+		docroot = uwsgi.cwd;
+		docroot_len = strlen(uwsgi.cwd);
+	}
+
+	char *filename = uwsgi_concat4n(docroot, docroot_len, "/", 1, wsgi_req->path_info, wsgi_req->path_info_len, "", 0);
+
+	if (uwsgi_php_walk(wsgi_req, filename, docroot, docroot_len, &path_info)) {
+		free(filename);
+		return -1;
+	}
+
+	if (path_info) {
+		wsgi_req->path_info = path_info;
+		wsgi_req->path_info_len = strlen(wsgi_req->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 (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 (docroot[docroot_len-1] == '/') {
+		wsgi_req->script_name = real_filename + (docroot_len-1);
+	}
+	else {
+		wsgi_req->script_name = real_filename + docroot_len;
+	}
+
+	wsgi_req->script_name_len = strlen(wsgi_req->script_name);
+
+#ifdef UWSGI_DEBUG
+	uwsgi_log("php filename = %s\n", real_filename);
+#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);
+
+	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);
+}
+
+int uwsgi_php_manage_options(int i, char *optarg) {
+
+        switch(i) {
+                case LONG_ARGS_PHP_INI:
+			uwsgi_sapi_module.php_ini_path_override = uwsgi_str(optarg);
+                        uwsgi_sapi_module.php_ini_ignore = 1;
+                        return 1;
+		case LONG_ARGS_PHP_ALLOWED_DOCROOT:
+			uwsgi_string_new_list(&uphp.allowed_docroot, optarg);
+			return 1;
+		case LONG_ARGS_PHP_ALLOWED_EXT:
+			uwsgi_string_new_list(&uphp.allowed_ext, optarg);
+			return 1;
+        }
+
+        return 0;
+}
+
+
+
+SAPI_API struct uwsgi_plugin php_plugin = {
+	.modifier1 = 14,
+	.init = uwsgi_php_init,
+	.request = uwsgi_php_request,
+	.after_request = uwsgi_php_after_request,
+	.options = uwsgi_php_options,
+        .manage_opt = uwsgi_php_manage_options,
+};
+

plugins/psgi/psgi_loader.c

@@ -87,7 +87,7 @@ XS(XS_input_read) {
         }
         else if (uwsgi.post_buffering > 0) {
                 fd = -1;
-                if (wsgi_req->post_cl <= (size_t) uwsgi.post_buffering) {
+                if (wsgi_req->post_cl > (size_t) uwsgi.post_buffering) {
                         fd = fileno((FILE *)wsgi_req->async_post);
                 }
         }

plugins/psgi/psgi_response.c

@@ -147,6 +147,7 @@ int psgi_response(struct wsgi_request *wsgi_req, AV *response) {
 				wsgi_req->sendfile_fd = SvIV(fn);
 				SvREFCNT_dec(fn);	
 				wsgi_req->response_size += uwsgi_sendfile(wsgi_req);
+				// no need to close here as perl GC will do the close()
 				return UWSGI_OK;
 			}
 			

plugins/psgi/uwsgi_plmodule.c

@@ -155,26 +155,28 @@ XS(XS_call) {
 
 	dXSARGS;
 
-	char buffer[0xffff];
         char *func;
         uint16_t size = 0;
         int i;
-        char *argv[0xff];
+        char *argv[256];
+        uint16_t argvs[256];
+	STRLEN arg_len;
 
 	psgi_check_args(1);
 
         func = SvPV_nolen(ST(0));
 
         for(i=0;i<(items-1);i++) {
-                argv[i] = SvPV_nolen(ST(i+1));
+                argv[i] = SvPV(ST(i+1), arg_len);
+		argvs[i] = arg_len;
         }
 
-        size = uwsgi_rpc(func, items-1, argv, buffer);
+        char *response = uwsgi_do_rpc(NULL, func, items-1, argv, argvs, &size);
 
         if (size > 0) {
-		ST(0) = newSVpv(buffer, size);
+		ST(0) = newSVpv(response, size);
         	sv_2mortal(ST(0));
-
+		free(response);
         	XSRETURN(1);
         }
 

plugins/python/pyloader.c

@@ -80,9 +80,7 @@ int init_uwsgi_app(int loader, void *arg1, struct wsgi_request *wsgi_req, PyThre
 	int id = uwsgi_apps_cnt;
 	int multiapp = 0;
 
-#ifdef UWSGI_ASYNC
 	int i;
-#endif
 
 	char *mountpoint;
 
@@ -320,9 +318,9 @@ int init_uwsgi_app(int loader, void *arg1, struct wsgi_request *wsgi_req, PyThre
 
 	// add start_response on WSGI app
 	Py_INCREF((PyObject *)up.wsgi_spitout);
-	wi->wsgi_args = PyTuple_New(wi->argc);
+	wi->args = PyTuple_New(wi->argc);
 	if (app_type == PYTHON_APP_TYPE_WSGI) {
-		if (PyTuple_SetItem(wi->wsgi_args, 1, up.wsgi_spitout)) {
+		if (PyTuple_SetItem(wi->args, 1, up.wsgi_spitout)) {
 			uwsgi_log("unable to set start_response in args tuple\n");
 			exit(1);
 		}
@@ -370,24 +368,25 @@ int init_uwsgi_app(int loader, void *arg1, struct wsgi_request *wsgi_req, PyThre
 		PyThreadState_Swap(up.main_thread);
 	}
 
-	if (app_type == PYTHON_APP_TYPE_WSGI) {
-		uwsgi_log( "WSGI application %d (mountpoint='%.*s') ready on interpreter %p pid: %d", id, wi->mountpoint_len, wi->mountpoint, wi->interpreter, (int) getpid());
-	}
-	else if (app_type == PYTHON_APP_TYPE_WEB3) {
-		uwsgi_log( "Web3 application %d (mountpoint='%.*s') ready on interpreter %p pid: %d", id, wi->mountpoint_len, wi->mountpoint, wi->interpreter, (int) getpid());
-	}
-	else if (app_type == PYTHON_APP_TYPE_PUMP) {
-		uwsgi_log( "Pump application %d (mountpoint='%.*s') ready on interpreter %p pid: %d", id, wi->mountpoint_len, wi->mountpoint, wi->interpreter, (int) getpid());
-	}
+	const char *default_app = "";
 
 	if ((wsgi_req->appid_len == 0 || (wsgi_req->appid_len = 1 && wsgi_req->appid[0] == '/')) && uwsgi.default_app == -1) {
-		uwsgi_rawlog(" (default app)");
+		default_app = " (default app)" ;
 		uwsgi.default_app = id;
 	}
 
-	uwsgi_apps_cnt++;
+	if (app_type == PYTHON_APP_TYPE_WSGI) {
+		uwsgi_log( "WSGI application %d (mountpoint='%.*s') ready on interpreter %p pid: %d%s\n", id, wi->mountpoint_len, wi->mountpoint, wi->interpreter, (int) getpid(), default_app);
+	}
+	else if (app_type == PYTHON_APP_TYPE_WEB3) {
+		uwsgi_log( "Web3 application %d (mountpoint='%.*s') ready on interpreter %p pid: %d%s\n", id, wi->mountpoint_len, wi->mountpoint, wi->interpreter, (int) getpid(), default_app);
+	}
+	else if (app_type == PYTHON_APP_TYPE_PUMP) {
+		uwsgi_log( "Pump application %d (mountpoint='%.*s') ready on interpreter %p pid: %d%s\n", id, wi->mountpoint_len, wi->mountpoint, wi->interpreter, (int) getpid(), default_app);
+	}
 
-	uwsgi_rawlog("\n");
+
+	uwsgi_apps_cnt++;
 
 	if (multiapp > 1) {
 		for(i=1;i<multiapp;i++) {
@@ -540,6 +539,7 @@ PyObject *uwsgi_mount_loader(void *arg1) {
 
 	if ( !strcmp(what+strlen(what)-3, ".py") || !strcmp(what+strlen(what)-5, ".wsgi")) {
 		callable = uwsgi_file_loader((void *)what);
+		if (!callable) exit(1);
 	}
 	else if (!strcmp(what+strlen(what)-4, ".ini")) {
 		callable = uwsgi_paste_loader((void *)what);
@@ -606,30 +606,44 @@ PyObject *uwsgi_file_loader(void *arg1) {
 	char *callable = up.callable;
 	if (!callable) callable = "application";
 
-	wsgi_file_module = uwsgi_pyimport_by_filename(uwsgi_concat2("uwsgi_file_", uwsgi_pythonize(filename)), filename);
+	char *py_filename = uwsgi_concat2("uwsgi_file_", uwsgi_pythonize(filename));
+
+	wsgi_file_module = uwsgi_pyimport_by_filename(py_filename, filename);
 	if (!wsgi_file_module) {
 		PyErr_Print();
-		exit(1);
+		free(py_filename);
+		return NULL;
 	}
 
 	wsgi_file_dict = PyModule_GetDict(wsgi_file_module);
 	if (!wsgi_file_dict) {
 		PyErr_Print();
-		exit(1);
+		Py_DECREF(wsgi_file_module);
+		free(py_filename);
+		return NULL;
 	}
 
 	wsgi_file_callable = PyDict_GetItemString(wsgi_file_dict, callable);
 	if (!wsgi_file_callable) {
 		PyErr_Print();
+		Py_DECREF(wsgi_file_dict);
+		Py_DECREF(wsgi_file_module);
+                free(py_filename);
 		uwsgi_log( "unable to find \"application\" callable in file %s\n", filename);
-		exit(1);
+		return NULL;
 	}
 
 	if (!PyFunction_Check(wsgi_file_callable) && !PyCallable_Check(wsgi_file_callable)) {
 		uwsgi_log( "\"application\" must be a callable object in file %s\n", filename);
-		exit(1);
+		Py_DECREF(wsgi_file_callable);
+		Py_DECREF(wsgi_file_dict);
+		Py_DECREF(wsgi_file_module);
+                free(py_filename);
+		return NULL;
 	}
 
+        free(py_filename);
+
 	return wsgi_file_callable;
 
 }

plugins/python/python_plugin.c

@@ -29,6 +29,10 @@ struct option uwsgi_python_options[] = {
 	{"pyimport", required_argument, 0, LONG_ARGS_PYIMPORT},
 	{"py-import", required_argument, 0, LONG_ARGS_PYIMPORT},
 	{"python-import", required_argument, 0, LONG_ARGS_PYIMPORT},
+	{"shared-import", required_argument, 0, LONG_ARGS_SHARED_PYIMPORT},
+	{"shared-pyimport", required_argument, 0, LONG_ARGS_SHARED_PYIMPORT},
+	{"shared-py-import", required_argument, 0, LONG_ARGS_SHARED_PYIMPORT},
+	{"shared-python-import", required_argument, 0, LONG_ARGS_SHARED_PYIMPORT},
 	{"spooler-import", required_argument, 0, LONG_ARGS_SPOOLER_PYIMPORT},
 	{"spooler-pyimport", required_argument, 0, LONG_ARGS_SPOOLER_PYIMPORT},
 	{"spooler-py-import", required_argument, 0, LONG_ARGS_SPOOLER_PYIMPORT},
@@ -739,6 +743,9 @@ int uwsgi_python_manage_options(int i, char *optarg) {
 		uwsgi.honour_stdin = 1;
 		up.pyshell = 1;
 		return 1;
+	case LONG_ARGS_SHARED_PYIMPORT:
+		uwsgi_string_new_list(&up.shared_import_list, optarg);
+		return 1;
 	case LONG_ARGS_PYIMPORT:
 		uwsgi_string_new_list(&up.import_list, optarg);
 		return 1;
@@ -892,17 +899,8 @@ void uwsgi_python_spooler_init(void) {
 
 }
 
-void uwsgi_python_init_apps() {
-
-	struct http_status_codes *http_sc;
-
-
-	if (uwsgi.async > 1) {
-		up.current_recursion_depth = uwsgi_malloc(sizeof(int)*uwsgi.async);
-#ifndef UWSGI_PYPY
-        	up.current_frame = uwsgi_malloc(sizeof(struct _frame)*uwsgi.async);
-#endif
-	}
+// this hook will be executed by master (or worker1 when master is not requested, so COW is in place)
+void uwsgi_python_preinit_apps() {
 
 	init_pyargv();
 
@@ -912,7 +910,6 @@ void uwsgi_python_init_apps() {
 #endif
 #endif
 
-
 #ifdef __linux__
 #ifndef UWSGI_PYPY
 #ifdef UWSGI_EMBEDDED
@@ -930,6 +927,34 @@ void uwsgi_python_init_apps() {
 
         init_uwsgi_vars();
 
+	// load shared imports
+	struct uwsgi_string_list *upli = up.shared_import_list;
+	while(upli) {
+		if (strchr(upli->value, '/') || uwsgi_endswith(upli->value, ".py")) {
+			uwsgi_pyimport_by_filename(uwsgi_pythonize(upli->value), upli->value);
+		}
+		else {
+			if (PyImport_ImportModule(upli->value) == NULL) {
+				PyErr_Print();
+			}
+		}
+		upli = upli->next;
+	}
+
+}
+
+void uwsgi_python_init_apps() {
+
+	struct http_status_codes *http_sc;
+
+	// prepare for stack suspend/resume
+	if (uwsgi.async > 1) {
+		up.current_recursion_depth = uwsgi_malloc(sizeof(int)*uwsgi.async);
+#ifndef UWSGI_PYPY
+        	up.current_frame = uwsgi_malloc(sizeof(struct _frame)*uwsgi.async);
+#endif
+	}
+
         // setup app loaders
 #ifdef UWSGI_MINTERPRETERS
         up.loaders[LOADER_DYN] = uwsgi_dyn_loader;
@@ -1072,6 +1097,9 @@ void uwsgi_python_enable_threads() {
 	up.gil_get = gil_real_get;
 	up.gil_release = gil_real_release;
 
+	up.swap_ts = simple_threaded_swap_ts;
+	up.reset_ts = simple_threaded_reset_ts;
+
 	if (uwsgi.threads > 1) {
 		up.swap_ts = threaded_swap_ts;
 		up.reset_ts = threaded_reset_ts;
@@ -1266,36 +1294,38 @@ clear:
 	return -1;
 }
 
-uint16_t uwsgi_python_rpc(void *func, uint8_t argc, char **argv, char *buffer) {
+uint16_t uwsgi_python_rpc(void *func, uint8_t argc, char **argv, uint16_t argvs[], char *buffer) {
 
 	UWSGI_GET_GIL;
 
 	uint8_t i;
-	PyObject *pyargs = PyTuple_New(argc);
-	PyObject *ret;
 	char *rv;
 	size_t rl;
 
+	PyObject *pyargs = PyTuple_New(argc);
+	PyObject *ret;
+
 	if (!pyargs)
 		return 0;
 
 	for (i = 0; i < argc; i++) {
-		PyTuple_SetItem(pyargs, i, PyString_FromString(argv[i]));
+		PyTuple_SetItem(pyargs, i, PyString_FromStringAndSize(argv[i], argvs[i]));
 	}
 
 	ret = python_call((PyObject *) func, pyargs, 0, NULL);
-
+	Py_DECREF(pyargs);
 	if (ret) {
 		if (PyString_Check(ret)) {
 			rv = PyString_AsString(ret);
 			rl = PyString_Size(ret);
-			if (rl <= 0xffff) {
+			if (rl <= 65536) {
 				memcpy(buffer, rv, rl);
 				Py_DECREF(ret);
 				UWSGI_RELEASE_GIL;
 				return rl;
 			}
 		}
+		Py_DECREF(ret);
 	}
 
 	if (PyErr_Occurred())
@@ -1479,6 +1509,8 @@ struct uwsgi_plugin python_plugin = {
 	.short_options = "w:O:H:J:",
 	.request = uwsgi_request_wsgi,
 	.after_request = uwsgi_after_request_wsgi,
+
+	.preinit_apps = uwsgi_python_preinit_apps,
 	.init_apps = uwsgi_python_init_apps,
 
 	.fixup = uwsgi_python_fixup,

plugins/python/uwsgi_pymodule.c

@@ -148,24 +148,14 @@ char *uwsgi_encode_pydict(PyObject * pydict, uint16_t * size) {
 		keysize = PyString_Size(key);
 		valsize = PyString_Size(val);
 		if (bufptr + keysize + 2 + valsize + 2 <= buf + *size) {
-#ifdef __BIG_ENDIAN__
-			keysize = uwsgi_swap16(keysize);
-#endif
-			memcpy(bufptr, &keysize, 2);
-			bufptr += 2;
-#ifdef __BIG_ENDIAN__
-			keysize = uwsgi_swap16(keysize);
-#endif
+
+			*bufptr++ = (uint8_t) (keysize & 0xff);
+        		*bufptr++ = (uint8_t) ((keysize >> 8) & 0xff);
 			memcpy(bufptr, PyString_AsString(key), keysize);
 			bufptr += keysize;
-#ifdef __BIG_ENDIAN__
-			valsize = uwsgi_swap16(valsize);
-#endif
-			memcpy(bufptr, &valsize, 2);
-			bufptr += 2;
-#ifdef __BIG_ENDIAN__
-			valsize = uwsgi_swap16(valsize);
-#endif
+
+			*bufptr++ = (uint8_t) (valsize & 0xff);
+        		*bufptr++ = (uint8_t) ((valsize >> 8) & 0xff);
 			memcpy(bufptr, PyString_AsString(val), valsize);
 			bufptr += valsize;
 		}
@@ -294,13 +284,13 @@ PyObject *py_uwsgi_add_file_monitor(PyObject * self, PyObject * args) {
 
 PyObject *py_uwsgi_call(PyObject * self, PyObject * args) {
 
-	char buffer[0xffff];
 	char *func;
 	uint16_t size = 0;
 	PyObject *py_func;
 	int argc = PyTuple_Size(args);
 	int i;
-	char *argv[0xff];
+	char *argv[256];
+	uint16_t argvs[256];
 
 	// TODO better error reporting
 	if (argc < 1)
@@ -314,19 +304,29 @@ PyObject *py_uwsgi_call(PyObject * self, PyObject * args) {
 	func = PyString_AsString(py_func);
 
 	for (i = 0; i < (argc - 1); i++) {
-		argv[i] = PyString_AsString(PyTuple_GetItem(args, i + 1));
+		PyObject *py_str = PyTuple_GetItem(args, i + 1);
+		if (!PyString_Check(py_str)) {
+			goto clear;
+		}
+		argv[i] = PyString_AsString(py_str);
+		argvs[i] = PyString_Size(py_str);
 	}
 
-	size = uwsgi_rpc(func, argc - 1, argv, buffer);
+	char *response = uwsgi_do_rpc(NULL, func, argc - 1, argv, argvs, &size);
 
 	if (size > 0) {
-		return PyString_FromStringAndSize(buffer, size);
+		PyObject *ret = PyString_FromStringAndSize(response, size);
+		free(response);
+		return ret;
 	}
 
-      clear:
-
 	Py_INCREF(Py_None);
 	return Py_None;
+
+      clear:
+
+	return PyErr_Format(PyExc_ValueError, "unable to call rpc function");
+
 }
 
 PyObject *py_uwsgi_rpc_list(PyObject * self, PyObject * args) {
@@ -346,19 +346,15 @@ PyObject *py_uwsgi_rpc_list(PyObject * self, PyObject * args) {
 
 PyObject *py_uwsgi_rpc(PyObject * self, PyObject * args) {
 
-	char buffer[0xffff];
-	char *node, *func;
+	char *node = NULL, *func;
 	uint16_t size = 0;
 	PyObject *py_node, *py_func;
-	struct wsgi_request rpc_req;
-	int argc = PyTuple_Size(args);
-	char *argv[0xff];
-	int i, fd;
-	uint16_t pktsize = 0, ulen;
-	char *bufptr;
-	int rlen;
-	int rpc_args = 0;
 
+	int argc = PyTuple_Size(args);
+	char *argv[256];
+	uint16_t argvs[256];
+
+	int i;
 
 	// TODO better error reporting
 	if (argc < 2)
@@ -369,9 +365,6 @@ PyObject *py_uwsgi_rpc(PyObject * self, PyObject * args) {
 	if (PyString_Check(py_node)) {
 		node = PyString_AsString(py_node);
 	}
-	else {
-		node = "";
-	}
 
 	py_func = PyTuple_GetItem(args, 1);
 
@@ -381,87 +374,28 @@ PyObject *py_uwsgi_rpc(PyObject * self, PyObject * args) {
 	func = PyString_AsString(py_func);
 
 	for (i = 0; i < (argc - 2); i++) {
-		argv[i] = PyString_AsString(PyTuple_GetItem(args, i + 2));
-		rpc_args++;
+		PyObject *py_str = PyTuple_GetItem(args, i + 2);
+		if (!PyString_Check(py_str))
+			goto clear;
+		argv[i] = PyString_AsString(py_str);
+		argvs[i] = PyString_Size(py_str);
 	}
 
-	if (!strcmp(node, "")) {
-		if (!rpc_args) {
-			size = uwsgi_rpc(func, 0, NULL, buffer);
-		}
-		else {
-			size = uwsgi_rpc(func, rpc_args, argv, buffer);
-		}
-	}
-	else {
-
-
-		// connect to node
-		fd = uwsgi_connect(node, uwsgi.shared->options[UWSGI_OPTION_SOCKET_TIMEOUT], 0);
-
-		if (fd < 0)
-			goto clear;
-		// prepare a uwsgi array
-
-		pktsize = 2 + strlen(func);
-		for (i = 0; i < argc - 2; i++) {
-			pktsize += 2 + strlen(argv[i]);
-		}
-
-		memset(&rpc_req, 0, sizeof(struct wsgi_request));
-
-		rpc_req.uh.modifier1 = 173;
-		rpc_req.uh.pktsize = pktsize;
-		rpc_req.uh.modifier2 = 0;
-
-		bufptr = buffer;
-
-		ulen = strlen(func);
-		*bufptr++ = (uint8_t) (ulen & 0xff);
-		*bufptr++ = (uint8_t) ((ulen >> 8) & 0xff);
-		memcpy(bufptr, func, ulen);
-		bufptr += ulen;
-
-		for (i = 0; i < argc - 2; i++) {
-			ulen = strlen(argv[i]);
-			*bufptr++ = (uint8_t) (ulen & 0xff);
-			*bufptr++ = (uint8_t) ((ulen >> 8) & 0xff);
-			memcpy(bufptr, argv[i], ulen);
-			bufptr += ulen;
-		}
-
-		if (write(fd, &rpc_req.uh, 4) != 4) {
-			uwsgi_error("write()");
-			close(fd);
-			goto clear;
-		}
-
-		if (write(fd, buffer, pktsize) != pktsize) {
-			uwsgi_error("write()");
-			close(fd);
-			goto clear;
-		}
-
-		rlen = uwsgi_waitfd(fd, uwsgi.shared->options[UWSGI_OPTION_SOCKET_TIMEOUT]);
-		if (rlen > 0) {
-			rpc_req.poll.fd = fd;
-			rpc_req.poll.events = POLLIN;
-			rpc_req.buffer = buffer;
-			if (uwsgi_parse_packet(&rpc_req, uwsgi.shared->options[UWSGI_OPTION_SOCKET_TIMEOUT])) {
-				size = rpc_req.uh.pktsize;
-			}
-		}
-
-	}
+	char *response = uwsgi_do_rpc(node, func, argc - 2, argv, argvs, &size);
 
 	if (size > 0) {
-		return PyString_FromStringAndSize(buffer, size);
-	}
+                PyObject *ret = PyString_FromStringAndSize(response, size);
+                free(response);
+                return ret;
+        }
+
+	Py_INCREF(Py_None);
+        return Py_None;
 
       clear:
 
-	Py_INCREF(Py_None);
-	return Py_None;
+        return PyErr_Format(PyExc_ValueError, "unable to call rpc function");
+
 }
 
 PyObject *py_uwsgi_register_rpc(PyObject * self, PyObject * args) {
@@ -1656,24 +1590,15 @@ PyObject *py_uwsgi_send_spool(PyObject * self, PyObject * args, PyObject *kw) {
 					valsize = PyString_Size(val);
 					if (cur_buf + keysize + 2 + valsize + 2 <= spool_buffer + UMAX16) {
 
-#ifdef __BIG_ENDIAN__
-						keysize = uwsgi_swap16(keysize);
-#endif
-						memcpy(cur_buf, &keysize, 2);
-						cur_buf += 2;
-#ifdef __BIG_ENDIAN__
-						keysize = uwsgi_swap16(keysize);
-#endif
+						*cur_buf++ = (uint8_t) (keysize & 0xff);
+        					*cur_buf++ = (uint8_t) ((keysize >> 8) & 0xff);
+
 						memcpy(cur_buf, PyString_AsString(key), keysize);
 						cur_buf += keysize;
-#ifdef __BIG_ENDIAN__
-						valsize = uwsgi_swap16(valsize);
-#endif
-						memcpy(cur_buf, &valsize, 2);
-						cur_buf += 2;
-#ifdef __BIG_ENDIAN__
-						valsize = uwsgi_swap16(valsize);
-#endif
+
+						*cur_buf++ = (uint8_t) (valsize & 0xff);
+        					*cur_buf++ = (uint8_t) ((valsize >> 8) & 0xff);
+
 						memcpy(cur_buf, PyString_AsString(val), valsize);
 						cur_buf += valsize;
 					}
@@ -2345,7 +2270,7 @@ PyObject *py_uwsgi_route(PyObject * self, PyObject * args) {
         ui->func = NULL;
 
 	// mark a route request
-	wsgi_req->status = -1;
+	wsgi_req->status = -17;
 
         return (PyObject *) ui;
 }

plugins/python/uwsgi_python.h

@@ -21,6 +21,7 @@
 #define LONG_ARGS_PYSHELL		LONG_ARGS_PYTHON_BASE + 11
 #define LONG_ARGS_SPOOLER_PYIMPORT	LONG_ARGS_PYTHON_BASE + 12
 #define LONG_ARGS_PYTHON_RUN		LONG_ARGS_PYTHON_BASE + 13
+#define LONG_ARGS_SHARED_PYIMPORT	LONG_ARGS_PYTHON_BASE + 14
 
 #define PYTHON_APP_TYPE_WSGI		0
 #define PYTHON_APP_TYPE_WEB3		1
@@ -133,6 +134,7 @@ struct uwsgi_python {
 
 	struct uwsgi_string_list *python_path;
 	struct uwsgi_string_list *import_list;
+	struct uwsgi_string_list *shared_import_list;
 	struct uwsgi_string_list *spooler_import_list;
 	struct uwsgi_string_list *post_pymodule_alias;
 
@@ -210,8 +212,6 @@ PyObject *python_call(PyObject *, PyObject *, int, struct wsgi_request *);
 
 #ifdef UWSGI_SENDFILE
 PyObject *py_uwsgi_sendfile(PyObject *, PyObject *);
-ssize_t uwsgi_sendfile(struct wsgi_request *);
-ssize_t uwsgi_do_sendfile(int, int, size_t, size_t, off_t*, int);
 #endif
 
 PyObject *py_uwsgi_write(PyObject *, PyObject *);
@@ -259,8 +259,10 @@ PyObject *uwsgi_pyimport_by_filename(char *, char *);
 
 void threaded_swap_ts(struct wsgi_request *, struct uwsgi_app *);
 void simple_swap_ts(struct wsgi_request *, struct uwsgi_app *);
+void simple_threaded_swap_ts(struct wsgi_request *, struct uwsgi_app *);
 void threaded_reset_ts(struct wsgi_request *, struct uwsgi_app *);
 void simple_reset_ts(struct wsgi_request *, struct uwsgi_app *);
+void simple_threaded_reset_ts(struct wsgi_request *, struct uwsgi_app *);
 
 int uwsgi_python_profiler_call(PyObject *, PyFrameObject *, int, PyObject *);
 

plugins/python/wsgi_handlers.c

@@ -599,3 +599,23 @@ void simple_swap_ts(struct wsgi_request *wsgi_req, struct uwsgi_app *wi) {
                 PyThreadState_Swap(wi->interpreter);
 	}
 }
+
+void simple_threaded_reset_ts(struct wsgi_request *wsgi_req, struct uwsgi_app *wi) {
+	if (uwsgi.single_interpreter == 0 && wi->interpreter != up.main_thread) {
+        	// restoring main interpreter
+		UWSGI_GET_GIL
+                PyThreadState_Swap(up.main_thread);
+		UWSGI_RELEASE_GIL
+	}
+}
+
+
+void simple_threaded_swap_ts(struct wsgi_request *wsgi_req, struct uwsgi_app *wi) {
+
+	if (uwsgi.single_interpreter == 0 && wi->interpreter != up.main_thread) {
+                // set the interpreter
+		UWSGI_GET_GIL
+                PyThreadState_Swap(wi->interpreter);
+		UWSGI_RELEASE_GIL
+	}
+}

plugins/rack/rack_api.c

@@ -25,6 +25,26 @@ VALUE rack_uwsgi_warning(VALUE *class, VALUE rbmessage) {
         return Qnil;
 }
 
+VALUE rack_uwsgi_log(VALUE *class, VALUE msg) {
+
+	Check_Type(msg, T_STRING);
+
+        uwsgi_log("%s\n", RSTRING_PTR(msg));
+
+        return Qnil;
+}
+
+VALUE rack_uwsgi_i_am_the_spooler(VALUE *class) {
+#ifdef UWSGI_SPOOLER
+        if (uwsgi.mypid == uwsgi.shared->spooler_pid) {
+                return Qtrue;
+        }
+#endif
+
+        return Qfalse;
+}
+
+
 
 VALUE rack_uwsgi_setprocname(VALUE *class, VALUE rbname) {
 
@@ -595,6 +615,59 @@ VALUE uwsgi_ruby_signal_registered(VALUE *class, VALUE signum) {
         return Qfalse;
 }
 
+VALUE uwsgi_ruby_do_rpc(int argc, VALUE *rpc_argv, VALUE *class) {
+
+	char *node = NULL, *func;
+        uint16_t size = 0;
+
+        char *argv[256];
+        uint16_t argvs[256];
+
+        int i;
+
+
+        // TODO better error reporting
+        if (argc < 2)
+                goto clear;
+
+
+        VALUE rpc_node = rpc_argv[0];
+
+        if (TYPE(rpc_node) == T_STRING) {
+                node = RSTRING_PTR(rpc_node);
+        }
+
+
+        VALUE rpc_func = rpc_argv[1];
+
+        if (TYPE(rpc_func) != T_STRING)
+                goto clear;
+
+        func = RSTRING_PTR(rpc_func);
+
+        for (i = 0; i < (argc - 2); i++) {
+                VALUE rpc_str = rpc_argv[i + 2];
+                if (TYPE(rpc_str) != T_STRING)
+                        goto clear;
+                argv[i] = RSTRING_PTR(rpc_str);
+                argvs[i] = RSTRING_LEN(rpc_str);
+        }
+
+        char *response = uwsgi_do_rpc(node, func, argc - 2, argv, argvs, &size);
+
+        if (size > 0) {
+                VALUE ret = rb_str_new(response, size);
+                free(response);
+                return ret;
+        }
+
+
+clear:
+
+        rb_raise(rb_eRuntimeError, "unable to call rpc function");
+        return Qnil;
+}
+
 VALUE uwsgi_ruby_register_rpc(int argc, VALUE *argv, VALUE *class) {
 
         int rb_argc = 0;
@@ -674,6 +747,118 @@ VALUE uwsgi_ruby_signal(int argc, VALUE *argv, VALUE *class) {
         return Qtrue;
 }
 
+int rack_uwsgi_build_spool(VALUE rbkey, VALUE rbval, VALUE argv) {
+	char **sa = (char **) argv;
+
+	char *cur_buf = sa[0];
+	char *watermark = sa[1];
+
+	if (TYPE(rbkey) != T_STRING || TYPE(rbval) != T_STRING) {
+		rb_raise(rb_eRuntimeError, "spool hash must contains only strings");
+		return ST_STOP;
+	}
+
+	char *key = RSTRING_PTR(rbkey); uint16_t keylen = RSTRING_LEN(rbkey);
+	char *val = RSTRING_PTR(rbval); uint16_t vallen = RSTRING_LEN(rbval);
+
+	if (cur_buf + (2+keylen+2+vallen) > watermark) {
+		rb_raise(rb_eRuntimeError, "spool hash size can be no more than 64K");
+		return ST_STOP;
+	}
+
+	*cur_buf++ = (uint8_t) (keylen & 0xff);
+        *cur_buf++ = (uint8_t) ((keylen >> 8) & 0xff);
+	memcpy(cur_buf, key, keylen); cur_buf += keylen;
+
+	*cur_buf++ = (uint8_t) (vallen & 0xff);
+        *cur_buf++ = (uint8_t) ((vallen >> 8) & 0xff);
+	memcpy(cur_buf, val, vallen); cur_buf += vallen;
+
+	// fix the ptr
+	sa[0] = cur_buf;
+
+	return ST_CONTINUE;
+}
+
+
+VALUE rack_uwsgi_send_spool(VALUE *class, VALUE args) {
+
+        char spool_filename[1024];
+        struct wsgi_request *wsgi_req = current_wsgi_req();
+        char *priority = NULL;
+        long numprio = 0;
+        time_t at = 0;
+        char *body = NULL;
+        size_t body_len= 0;
+
+	Check_Type(args, T_HASH);
+
+	// priority
+#ifdef RUBY19
+       VALUE rbprio = rb_hash_lookup(args, rb_str_new2("priority"));
+#else
+       VALUE rbprio = rb_hash_aref(args, rb_str_new2("priority"));
+#endif
+        if (TYPE(rbprio) == T_FIXNUM) {
+        	numprio = NUM2INT(rbprio);
+             	rb_hash_delete(args, rb_str_new2("priority")); 
+        }
+
+	// at
+#ifdef RUBY19
+       VALUE rbat = rb_hash_lookup(args, rb_str_new2("at"));
+#else
+       VALUE rbat = rb_hash_aref(args, rb_str_new2("at"));
+#endif
+        if (TYPE(rbat) == T_FIXNUM) {
+        	at = NUM2INT(rbat);
+             	rb_hash_delete(args, rb_str_new2("at")); 
+        }
+
+	// body
+#ifdef RUBY19
+       VALUE rbbody = rb_hash_lookup(args, rb_str_new2("body"));
+#else
+       VALUE rbbody = rb_hash_aref(args, rb_str_new2("body"));
+#endif
+        if (TYPE(rbbody) == T_STRING) {
+        	body = RSTRING_PTR(rbbody);
+		body_len = RSTRING_LEN(rbbody);
+             	rb_hash_delete(args, rb_str_new2("body")); 
+        }
+
+	char *spool_buffer = uwsgi_malloc(UMAX16);
+	char *argv[2];
+	argv[0] = spool_buffer;
+	argv[1] = spool_buffer + UMAX16 ;
+
+	rb_hash_foreach(args, rack_uwsgi_build_spool, (VALUE) argv); 
+
+        if (numprio) {
+                priority = uwsgi_num2str(numprio);
+        }
+
+        int ret = spool_request(spool_filename, uwsgi.workers[0].requests + 1, wsgi_req->async_id, spool_buffer, argv[0] - spool_buffer, priority, at, body, body_len);
+
+        if (priority) {
+                free(priority);
+        }
+
+        free(spool_buffer);
+
+        if (ret > 0) {
+                char *slash = uwsgi_get_last_char(spool_filename, '/');
+                if (slash) {
+                        return rb_str_new2(slash+1);
+                }
+		return rb_str_new2(spool_filename);
+        }
+
+        rb_raise(rb_eRuntimeError, "unable to spool job");
+	return Qnil;
+
+}
+
 
 
 void uwsgi_rack_init_api() {
@@ -708,10 +893,18 @@ void uwsgi_rack_init_api() {
         uwsgi_rack_api("request_id", rack_uwsgi_request_id, 0);
         uwsgi_rack_api("worker_id", rack_uwsgi_worker_id, 0);
         uwsgi_rack_api("mule_id", rack_uwsgi_mule_id, 0);
+
+        uwsgi_rack_api("i_am_the_spooler", rack_uwsgi_i_am_the_spooler, 0);
+        uwsgi_rack_api("send_to_spooler", rack_uwsgi_send_spool, 1);
+        uwsgi_rack_api("spool", rack_uwsgi_send_spool, 1);
+
+        uwsgi_rack_api("log", rack_uwsgi_log, 1);
         uwsgi_rack_api("logsize", rack_uwsgi_logsize, 0);
 
         uwsgi_rack_api("set_warning_message", rack_uwsgi_warning, 1);
 
+        uwsgi_rack_api("rpc", uwsgi_ruby_do_rpc, -1);
+
 	
 
 	if (uwsgi.cache_max_items > 0) {
@@ -765,6 +958,10 @@ void uwsgi_rack_init_api() {
 
         rb_const_set(rb_uwsgi_embedded, rb_intern("OPT"), uwsgi_rb_opt_hash);
 
+        rb_const_set(rb_uwsgi_embedded, rb_intern("SPOOL_OK"), INT2NUM(-2));
+        rb_const_set(rb_uwsgi_embedded, rb_intern("SPOOL_IGNORE"), INT2NUM(0));
+        rb_const_set(rb_uwsgi_embedded, rb_intern("SPOOL_RETRY"), INT2NUM(-1));
+
         rb_const_set(rb_uwsgi_embedded, rb_intern("VERSION"), rb_str_new2(UWSGI_VERSION));
         rb_const_set(rb_uwsgi_embedded, rb_intern("HOSTNAME"), rb_str_new(uwsgi.hostname, uwsgi.hostname_len));
 	if (uwsgi.pidfile) {

plugins/rack/rack_plugin.c

@@ -66,7 +66,7 @@ VALUE rb_uwsgi_io_gets(VALUE obj, VALUE args) {
 
 	// return the whole body as string
 
-	uwsgi_log("rack.input gets is not implemented (req %p)\n", wsgi_req);
+	rb_raise(rb_eRuntimeError, "rack.input::gets is not implemented (req %p)\n", wsgi_req);
 	return Qnil;
 }
 
@@ -76,7 +76,7 @@ VALUE rb_uwsgi_io_each(VALUE obj, VALUE args) {
 	Data_Get_Struct(obj, struct wsgi_request, wsgi_req);
 
 	// yield strings chunks
-	uwsgi_log("rack.input each is not implemented (req %p)\n", wsgi_req);
+	rb_raise(rb_eRuntimeError, "rack.input::each is not implemented (req %p)\n", wsgi_req);
 
 	return Qnil;
 }
@@ -88,7 +88,6 @@ VALUE rb_uwsgi_io_read(VALUE obj, VALUE args) {
 	VALUE chunk;
 	int chunk_size;
 
-
 	if (!wsgi_req->post_cl || wsgi_req->buf_pos >= wsgi_req->post_cl) {
 		return Qnil;
 	}
@@ -108,8 +107,9 @@ VALUE rb_uwsgi_io_read(VALUE obj, VALUE args) {
 			wsgi_req->buf_pos+=chunk_size;
 			return RARRAY_PTR(args)[1];
 		}
+		chunk = rb_str_new(wsgi_req->post_buffering_buf+wsgi_req->buf_pos, chunk_size);
 		wsgi_req->buf_pos+=chunk_size;
-		return rb_str_new(wsgi_req->post_buffering_buf+wsgi_req->buf_pos, chunk_size);
+		return chunk;
 	}
 
 	return Qnil;
@@ -149,6 +149,10 @@ VALUE require_rails(VALUE arg) {
 #endif
 }
 
+VALUE require_thin(VALUE arg) {
+    return rb_funcall(rb_cObject, rb_intern("require"), 1, rb_str_new2("thin"));
+}
+
 VALUE init_rack_app(VALUE);
 
 VALUE rack_call_rpc_handler(VALUE args) {
@@ -157,7 +161,7 @@ VALUE rack_call_rpc_handler(VALUE args) {
 }
 
 
-uint16_t uwsgi_ruby_rpc(void *func, uint8_t argc, char **argv, char *buffer) {
+uint16_t uwsgi_ruby_rpc(void *func, uint8_t argc, char **argv, uint16_t argvs[], char *buffer) {
 
         uint8_t i;
 	VALUE rb_args = rb_ary_new2(2);
@@ -170,7 +174,7 @@ uint16_t uwsgi_ruby_rpc(void *func, uint8_t argc, char **argv, char *buffer) {
 	rb_ary_store(rb_args, 0, (VALUE) func);
 
         for (i = 0; i < argc; i++) {
-                rb_ary_store(rb_rpc_args, i, rb_str_new2(argv[i]));
+                rb_ary_store(rb_rpc_args, i, rb_str_new(argv[i], argvs[i]));
         }
 	rb_ary_store(rb_args, 1, rb_rpc_args);
 
@@ -236,6 +240,10 @@ int uwsgi_rack_init(){
 	return 0;
 }
 
+VALUE uwsgi_rb_call_new(VALUE obj) {
+    return rb_funcall(obj, rb_intern("new"), 0);
+}
+
 void uwsgi_rack_init_apps(void) {
 
 	int error;
@@ -271,6 +279,10 @@ void uwsgi_rack_init_apps(void) {
 			exit(1);
 		}
 
+		if (!access("config.ru", R_OK)) {
+			uwsgi_log("!!! a config.ru file has been found in yor rails app, please use --rack <configfile> instead of the old --rails <app> !!!\n");
+		}
+
 		uwsgi_log("loading rails app %s\n", ur.rails);
 		rb_protect( require_rails, 0, &error ) ;
 		if (error) {
@@ -280,13 +292,53 @@ void uwsgi_rack_init_apps(void) {
 		uwsgi_log("rails app %s ready\n", ur.rails);
 		VALUE ac = rb_const_get(rb_cObject, rb_intern("ActionController"));
 
-		ur.dispatcher = rb_funcall( rb_const_get(ac, rb_intern("Dispatcher")), rb_intern("new"), 0);
+		ur.dispatcher = Qnil;
+		if (rb_funcall(ac, rb_intern("const_defined?"), 1, ID2SYM(rb_intern("Dispatcher"))) == Qtrue) {
+
+			VALUE ac_dispatcher = rb_const_get(ac, rb_intern("Dispatcher"));
+
+			VALUE acd_instance_methods = rb_funcall( ac_dispatcher, rb_intern("instance_methods"), 0);
+
+			VALUE acim_call = rb_funcall( acd_instance_methods, rb_intern("include?"), 1, ID2SYM(rb_intern("call")));
+
+			if (acim_call == Qfalse) {
+				acim_call = rb_funcall( acd_instance_methods, rb_intern("include?"), 1, rb_str_new2("call"));
+			}
+
+			if (acim_call == Qtrue) {
+                        	ur.dispatcher = rb_protect(uwsgi_rb_call_new, ac_dispatcher, &error);
+				if (error) {
+                        		uwsgi_ruby_exception();
+                        		exit(1);
+				}
+			}
+                }
+
+                if (ur.dispatcher == Qnil)  {
+                        uwsgi_log("non-rack rails version detected...loading thin adapter...\n");
+			rb_protect( require_thin, 0, &error ) ;
+                	if (error) {
+                        	uwsgi_ruby_exception();
+                        	exit(1);
+                	}
+			VALUE thin_rack = rb_const_get(rb_cObject, rb_intern("Rack"));
+			VALUE thin_rack_adapter = rb_const_get(thin_rack, rb_intern("Adapter"));
+			VALUE thin_rack_adapter_rails = rb_const_get(thin_rack_adapter, rb_intern("Rails"));
+			ur.dispatcher = rb_protect( uwsgi_rb_call_new, thin_rack_adapter_rails, &error);
+			if (error) {
+                        	uwsgi_ruby_exception();
+                        	exit(1);
+			}
+                }
+
 
 		if (ur.dispatcher == Qnil) {
 			uwsgi_log("unable to load rails dispatcher\n");
 			exit(1);
 		}
 
+		rb_gc_register_address(&ur.dispatcher);
+
 		goto ready;
 	}
 
@@ -396,63 +448,50 @@ VALUE send_header(VALUE obj, VALUE headers) {
 	}
 
 	if (TYPE(hkey) != T_STRING || TYPE(hval) != T_STRING) {
-		goto clear2;
+		goto clear;
 	}
 
-	//uwsgi_log("header: %.*s: %.*s\n", RSTRING_LEN(hkey), RSTRING_PTR(hkey), RSTRING_LEN(hval), RSTRING_PTR(hval));
-
-	len = wsgi_req->socket->proto_write_header( wsgi_req, RSTRING_PTR(hkey), RSTRING_LEN(hkey));
-	wsgi_req->headers_size += len;
-	len = wsgi_req->socket->proto_write_header( wsgi_req, (char *)": ", 2);
-	wsgi_req->headers_size += len;
-
 	char *header_value = RSTRING_PTR(hval);
-	int header_value_len = RSTRING_LEN(hval);
+	size_t header_value_len = RSTRING_LEN(hval);
+	size_t i,cnt=0;
+	char *this_header = header_value;
 
-	char *header_value_splitted = memchr(header_value, '\n', header_value_len);
+	for(i=0;i<header_value_len;i++) {
+		// multiline header, send it !!!
+		if (header_value[i] == '\n') {
+			len = wsgi_req->socket->proto_write_header( wsgi_req, RSTRING_PTR(hkey), RSTRING_LEN(hkey));
+			wsgi_req->headers_size += len;
+                        len = wsgi_req->socket->proto_write_header( wsgi_req, (char *)": ", 2);
+                        wsgi_req->headers_size += len;
+			len = wsgi_req->socket->proto_write_header( wsgi_req, this_header, cnt);
+			wsgi_req->headers_size += len;
+			len = wsgi_req->socket->proto_write_header( wsgi_req, (char *)"\r\n", 2);
+                	wsgi_req->headers_size += len;
 
-	if (!header_value_splitted) {
-		len = wsgi_req->socket->proto_write_header( wsgi_req, header_value, header_value_len);
-		wsgi_req->headers_size += len;
-		len = wsgi_req->socket->proto_write_header( wsgi_req, (char *)"\r\n", 2);
-		wsgi_req->headers_size += len;
-		wsgi_req->header_cnt++;
+			//uwsgi_log("(multi) --%.*s: %.*s--\n", RSTRING_LEN(hkey), RSTRING_PTR(hkey), cnt, this_header);
+
+			wsgi_req->header_cnt++;
+
+			this_header += cnt+1;
+			cnt = 0;
+			continue;
+		}
+		cnt++;	
 	}
-	else {
-		header_value_splitted[0] = 0;
-		len = wsgi_req->socket->proto_write_header( wsgi_req, header_value, header_value_splitted-header_value);
+
+	if (cnt > 0) {
+		len = wsgi_req->socket->proto_write_header( wsgi_req, RSTRING_PTR(hkey), RSTRING_LEN(hkey));
+		wsgi_req->headers_size += len;
+                len = wsgi_req->socket->proto_write_header( wsgi_req, (char *)": ", 2);
+                wsgi_req->headers_size += len;
+		len = wsgi_req->socket->proto_write_header( wsgi_req, this_header, cnt);
 		wsgi_req->headers_size += len;
 		len = wsgi_req->socket->proto_write_header( wsgi_req, (char *)"\r\n", 2);
                 wsgi_req->headers_size += len;
 		wsgi_req->header_cnt++;
-
-		header_value = header_value_splitted+1;
-		header_value_len -= header_value_splitted-header_value;
-
-		while(header_value_len && (header_value_splitted = memchr(header_value, '\n', header_value_len))) {
-			header_value_splitted[0] = 0;
-
-			len = wsgi_req->socket->proto_write( wsgi_req, RSTRING_PTR(hkey), RSTRING_LEN(hkey));
-        		wsgi_req->headers_size += len;
-        		len = wsgi_req->socket->proto_write( wsgi_req, (char *)": ", 2);
-        		wsgi_req->headers_size += len;
-
-			len = wsgi_req->socket->proto_write( wsgi_req, header_value, header_value_splitted-header_value);
-			wsgi_req->headers_size += len;
-			len = wsgi_req->socket->proto_write( wsgi_req, (char *)"\r\n", 2);
-                	wsgi_req->headers_size += len;		
-                	wsgi_req->header_cnt++;
-
-                	header_value = header_value_splitted+1;
-                	header_value_len -= header_value_splitted-header_value;	
-		}
+		//uwsgi_log("--%.*s: %.*s--\n", RSTRING_LEN(hkey), RSTRING_PTR(hkey), cnt, this_header);
 	}
 
-
-clear2:
-	rb_gc_unregister_address(&hkey);
-	rb_gc_unregister_address(&hval);
-
 clear:
 
 	return Qnil;
@@ -508,6 +547,8 @@ int uwsgi_rack_request(struct wsgi_request *wsgi_req) {
 							) {
 			rb_hash_aset(env, rb_str_new(wsgi_req->hvec[i].iov_base, wsgi_req->hvec[i].iov_len),
 					rb_str_new(wsgi_req->hvec[i+1].iov_base, wsgi_req->hvec[i+1].iov_len));
+
+			//uwsgi_log("%.*s = %.*s\n", wsgi_req->hvec[i].iov_len, wsgi_req->hvec[i].iov_base, wsgi_req->hvec[i+1].iov_len, wsgi_req->hvec[i+1].iov_base);
 		}
                 i++;
         }
@@ -549,13 +590,13 @@ int uwsgi_rack_request(struct wsgi_request *wsgi_req) {
 
 	rb_hash_aset(env, rb_str_new2("rack.errors"), rb_funcall( rb_const_get(rb_cObject, rb_intern("IO")), rb_intern("new"), 2, INT2NUM(2), rb_str_new("w",1) ));
 
-
 	ret = rb_protect( call_dispatch, env, &error);
 	if (error) {
 		uwsgi_ruby_exception();
-		//return -1;
+		goto clear;
 	}
 
+
 	if (TYPE(ret) == T_ARRAY) {
 		if (RARRAY_LEN(ret) != 3) {
 			uwsgi_log("Invalid RACK response size: %d\n", RARRAY_LEN(ret));
@@ -603,8 +644,6 @@ int uwsgi_rack_request(struct wsgi_request *wsgi_req) {
 			rb_protect( iterate_headers, headers, &error);
 			if (error) {
 				uwsgi_ruby_exception();
-				rb_gc_unregister_address(&status);
-                		rb_gc_unregister_address(&headers);
 				goto clear;
 			}
 		}
@@ -615,8 +654,6 @@ int uwsgi_rack_request(struct wsgi_request *wsgi_req) {
 
 		body = RARRAY_PTR(ret)[2] ;
 
-		// TODO protect to_path
-
 		if (rb_respond_to( body, rb_intern("to_path") )) {
 			VALUE sendfile_path = rb_protect( body_to_path, body, &error);
 			if (error) {
@@ -631,13 +668,19 @@ int uwsgi_rack_request(struct wsgi_request *wsgi_req) {
 						wsgi_req->response_size += uwsgi_sendfile(wsgi_req);
 					}
 				}
-				rb_gc_unregister_address(&sendfile_path);
+				// we need to close it...
+				close(wsgi_req->sendfile_fd);
 			}
 		}
 		else if (rb_respond_to( body, rb_intern("each") )) {
-			rb_protect( iterate_body, body, &error);
-			if (error) {
-				uwsgi_ruby_exception();
+			if (ur.unprotected) {
+				iterate_body(body);
+			}
+			else {
+				rb_protect( iterate_body, body, &error);
+				if (error) {
+					uwsgi_ruby_exception();
+				}
 			}
 		}
 
@@ -649,14 +692,6 @@ int uwsgi_rack_request(struct wsgi_request *wsgi_req) {
                         }
 		}
 
-//fine:
-
-		/* unregister all the objects created */
-	
-		rb_gc_unregister_address(&status);
-		rb_gc_unregister_address(&headers);
-		rb_gc_unregister_address(&body);
-
 	}
 	else {
 		internal_server_error(wsgi_req, (char *)"Invalid RACK response");
@@ -664,10 +699,6 @@ int uwsgi_rack_request(struct wsgi_request *wsgi_req) {
 
 clear:
 
-	rb_gc_unregister_address(&ret);
-
-	rb_gc_unregister_address(&env);
-
 	if (ur.gc_freq <= 1 || ur.cycles%ur.gc_freq == 0) {
 #ifdef UWSGI_DEBUG
 			uwsgi_log("calling ruby GC\n");
@@ -916,26 +947,72 @@ int uwsgi_rack_signal_handler(uint8_t sig, void *handler) {
         rb_ary_store(args, 0, rbhandler);
         VALUE rbsig = INT2NUM(sig);
         rb_ary_store(args, 1, rbsig);
-        VALUE ret = rb_protect(rack_call_signal_handler, args, &error);
+        rb_protect(rack_call_signal_handler, args, &error);
         if (error) {
                 uwsgi_ruby_exception();
-                // free resources (useless ?)
-                rb_gc_unregister_address(&args);
-                rb_gc_unregister_address(&ret);
-                rb_gc_unregister_address(&rbsig);
                 rb_gc();
                 return -1;
         }
 
-        // free resources (useless ?)
-        rb_gc_unregister_address(&args);
-        rb_gc_unregister_address(&ret);
-        rb_gc_unregister_address(&rbsig);
         rb_gc();
-
         return 0;
 }
 
+VALUE uwsgi_rb_do_spooler(VALUE args) {
+        VALUE uwsgi_rb_embedded = rb_const_get(rb_cObject, rb_intern("UWSGI"));
+        return rb_funcall(uwsgi_rb_embedded, rb_intern("spooler"), 1, args);
+}
+
+void uwsgi_ruby_add_item(char *key, uint16_t keylen, char *val, uint16_t vallen, void *data) {
+
+	VALUE *spool_dict = (VALUE*) data;
+	
+	rb_hash_aset(*spool_dict, rb_str_new(key, keylen), rb_str_new(val, vallen));
+}
+
+
+int uwsgi_rack_spooler(char *filename, char *buf, uint16_t len, char *body, size_t body_len) {
+
+	int error = 0;
+
+        VALUE uwsgi_rb_embedded = rb_const_get(rb_cObject, rb_intern("UWSGI"));
+        if (!rb_respond_to(uwsgi_rb_embedded, rb_intern("spooler"))) {
+		rb_gc();
+		return 0;
+	}
+
+	VALUE spool_dict = rb_hash_new();
+
+        if (uwsgi_hooked_parse(buf, len, uwsgi_ruby_add_item, (void *) &spool_dict)) {
+		rb_gc();
+                // malformed packet, destroy it
+                return 0;
+        }
+
+        rb_hash_aset(spool_dict, rb_str_new2("spooler_task_name"), rb_str_new2(filename));
+
+        if (body && body_len > 0) {
+                rb_hash_aset(spool_dict, rb_str_new2("body"), rb_str_new(body, body_len));
+        }
+
+        VALUE ret = rb_protect(uwsgi_rb_do_spooler, spool_dict, &error);
+	if (error) {
+		uwsgi_ruby_exception();
+		rb_gc();
+		return -1;
+	}
+
+        if (TYPE(ret) == T_FIXNUM) {
+		rb_gc();
+                return NUM2INT(ret);
+        }
+
+        // error, retry
+	rb_gc();
+        return -1;
+}
+
+
 
 
 
@@ -954,6 +1031,8 @@ struct uwsgi_plugin rack_plugin = {
 	.hijack_worker = uwsgi_rack_hijack,
 	.post_fork = uwsgi_rb_post_fork,
 
+	.spooler = uwsgi_rack_spooler,
+
 	.init_apps = uwsgi_rack_init_apps,
 	//.mount_app = uwsgi_rack_mount_app,
 	.manage_xml = uwsgi_rack_xml,

plugins/rack/uwsgi_rack.h

@@ -10,6 +10,7 @@
 #define LONG_ARGS_RUBY_REQUIRE  LONG_ARGS_RACK_BASE + 5
 
 #ifndef RUBY19
+#include <st.h>
         #define rb_errinfo() ruby_errinfo
         #define RUBY_GVL_LOCK
         #define RUBY_GVL_UNLOCK
@@ -68,6 +69,8 @@ struct uwsgi_rack {
 	int rb_shell;
 	int app_id;
 
+	int unprotected;
+
 	struct uwsgi_string_list *rbrequire;
 
 };

plugins/rpc/rpc_plugin.c

@@ -6,6 +6,7 @@ extern struct uwsgi_server uwsgi;
 int uwsgi_rpc_request(struct wsgi_request *wsgi_req) {
 
 	char *argv[256];
+	uint16_t argvs[256];
 	uint8_t argc = 0xff;
 
 	/* Standard RPC request */
@@ -24,7 +25,7 @@ int uwsgi_rpc_request(struct wsgi_request *wsgi_req) {
 	uwsgi_log("RPC pktsize %d\n", wsgi_req->uh.pktsize);
 #endif
 
-	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)) {
                 uwsgi_log("Invalid RPC request. skip.\n");
                 return -1;
 	}
@@ -33,7 +34,7 @@ int uwsgi_rpc_request(struct wsgi_request *wsgi_req) {
 	uwsgi_log("RPC args %d\n", argc-1);
 #endif
 	
-	wsgi_req->uh.pktsize = uwsgi_rpc(argv[0], argc-1, argv+1, wsgi_req->buffer);
+	wsgi_req->uh.pktsize = uwsgi_rpc(argv[0], argc-1, argv+1, argvs+1, wsgi_req->buffer);
 
 	if (wsgi_req->uh.modifier2 == 0) {
 		wsgi_req->headers_size = wsgi_req->socket->proto_write_header(wsgi_req, (char *)&wsgi_req->uh, 4);

plugins/rsyslog/rsyslog_plugin.c

@@ -0,0 +1,82 @@
+#include "../../uwsgi.h"
+
+extern struct uwsgi_server uwsgi;
+
+#define MAX_SYSLOG_PKT 1024
+
+ssize_t uwsgi_rsyslog_logger(struct uwsgi_logger *ul, char *message, size_t len) {
+
+	char buf[MAX_SYSLOG_PKT];
+	time_t current_time;
+	int portn = 514;
+	int rlen;
+
+	if (!ul->configured) {
+
+                if (!uwsgi.choosen_logger_arg) {
+			uwsgi_log_safe("invalid rsyslog 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) {
+			ul->data = comma+1;
+                	*comma = 0;
+		}
+		else {
+			ul->data = uwsgi_concat2(uwsgi.hostname," uwsgi");
+		}
+
+
+                char *port = strchr(uwsgi.choosen_logger_arg, ':');
+                if (port) {
+			portn = atoi(port+1);
+			*port = 0;
+		}
+
+		ul->addr_len = socket_to_in_addr(uwsgi.choosen_logger_arg, NULL, portn, &ul->addr.sa_in);
+
+		if (port) *port = ':';
+		if (comma) *comma = ',';
+
+                ul->configured = 1;
+        }
+
+
+	current_time = time(NULL);
+
+	// drop newline
+	if (message[len-1] == '\n') len--;
+
+ 	rlen = snprintf(buf, MAX_SYSLOG_PKT, "<29>%.*s %s: %.*s", 15, ctime(&current_time)+4, (char *) ul->data, (int) len, message);
+	if (rlen > 0) {
+		return sendto(ul->fd, buf, rlen, 0, (const struct sockaddr *) &ul->addr, ul->addr_len);
+	}
+	return -1;
+
+}
+
+void uwsgi_rsyslog_register() {
+	uwsgi_register_logger("rsyslog", uwsgi_rsyslog_logger);
+}
+
+int uwsgi_rsyslog_init() {
+	return 0;
+}
+
+struct uwsgi_plugin rsyslog_plugin = {
+
+        .name = "rsyslog",
+        .on_load = uwsgi_rsyslog_register,
+	.init = uwsgi_rsyslog_init
+
+};
+

plugins/rsyslog/uwsgiplugin.py

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

plugins/syslog/syslog_plugin.c

@@ -0,0 +1,47 @@
+#include "../../uwsgi.h"
+
+#include <syslog.h>
+
+extern struct uwsgi_server uwsgi;
+
+ssize_t uwsgi_syslog_logger(struct uwsgi_logger *ul, char *message, size_t len) {
+
+	char *syslog_opts;
+
+	if (!ul->configured) {
+
+        	setlinebuf(stderr);
+
+        	if (uwsgi.choosen_logger_arg == NULL) {
+                	syslog_opts = "uwsgi";
+        	}
+		else {
+			syslog_opts = uwsgi.choosen_logger_arg;
+		}
+
+        	openlog(syslog_opts, 0, LOG_DAEMON);
+
+		ul->configured = 1;
+	}
+
+	syslog(LOG_INFO, "%.*s", (int) len, message);
+	return 0;
+
+}
+
+void uwsgi_syslog_register() {
+	uwsgi_register_logger("syslog", uwsgi_syslog_logger);
+}
+
+int uwsgi_syslog_init() {
+	return 0;
+}
+
+struct uwsgi_plugin syslog_plugin = {
+
+        .name = "syslog",
+        .on_load = uwsgi_syslog_register,
+	.init = uwsgi_syslog_init
+
+};
+

plugins/syslog/uwsgiplugin.py

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

proto/http.c

@@ -256,6 +256,7 @@ int uwsgi_proto_http_parser(struct wsgi_request *wsgi_req) {
 	ssize_t remains;
 	// make this buffer configurable
 	char post_buf[8192];
+	char *post_tail = NULL;
 
 	// first round ? this memory area will be freed by async_loop
 	if (!wsgi_req->proto_parser_buf) {
@@ -317,6 +318,10 @@ int uwsgi_proto_http_parser(struct wsgi_request *wsgi_req) {
 		else if (*ptr == '\n' && wsgi_req->proto_parser_status == 3) {
 			ptr++;
 			remains = len - (j + 1);
+			if (remains > 0) {
+				post_tail = uwsgi_malloc(remains);
+				memcpy(post_tail, ptr, remains);
+			}
 			http_parse(wsgi_req, ptr);
 			//is there a Content_Length ?
 			if (wsgi_req->post_cl > 0) {
@@ -328,13 +333,15 @@ int uwsgi_proto_http_parser(struct wsgi_request *wsgi_req) {
 				}
 				wsgi_req->proto_parser_pos = 0;
 				remains = UMIN((size_t) remains, wsgi_req->post_cl);
-				if (remains) {
-					if (!fwrite(ptr, remains, 1, wsgi_req->async_post)) {
+				if (remains && post_tail) {
+					if (!fwrite(post_tail, remains, 1, wsgi_req->async_post)) {
+						free(post_tail);
 						free(wsgi_req->proto_parser_buf);
 						uwsgi_error("fwrite()");
 						fclose(wsgi_req->async_post);
 						return -1;
 					}
+					free(post_tail);
 					wsgi_req->proto_parser_pos += remains;
 					if (wsgi_req->proto_parser_pos >= wsgi_req->post_cl) {
 						free(wsgi_req->proto_parser_buf);

protocol.c

@@ -371,7 +371,8 @@ int uwsgi_read_response(int fd, struct uwsgi_header *uh, int timeout, char **buf
         }
 
 	if (buf && uh->pktsize > 0) {
-		*buf = uwsgi_malloc(uh->pktsize);
+		if (*buf == NULL)
+			*buf = uwsgi_malloc(uh->pktsize);
 		remains = uh->pktsize;
 		ptr = *buf;
 		ret = -1;
@@ -423,9 +424,9 @@ int uwsgi_parse_packet(struct wsgi_request *wsgi_req, int timeout) {
 		}
 		if (status < 0) {
 			if (status == -1)
-				uwsgi_log("error parsing request\n");
+				uwsgi_log_verbose("error parsing request\n");
 			else if (status == -2)
-				uwsgi_log("open-close packet (ping/check) received\n");
+				uwsgi_log_verbose("open-close packet (ping/check) received\n");
 			//close(upoll->fd);
 			return 0;
 		}
@@ -434,7 +435,7 @@ int uwsgi_parse_packet(struct wsgi_request *wsgi_req, int timeout) {
 	return 1;
 }
 
-int uwsgi_parse_array(char *buffer, uint16_t size, char **argv, uint8_t *argc) {
+int uwsgi_parse_array(char *buffer, uint16_t size, char **argv, uint16_t argvs[], uint8_t *argc) {
 
 	char *ptrbuf, *bufferend;
 	uint16_t strsize = 0;
@@ -459,6 +460,7 @@ int uwsgi_parse_array(char *buffer, uint16_t size, char **argv, uint8_t *argc) {
                         if (ptrbuf + strsize <= bufferend) {
                                 // item
 				argv[*argc] = uwsgi_cheap_string(ptrbuf, strsize);
+				argvs[*argc] = strsize;
 #ifdef UWSGI_DEBUG
 				uwsgi_log("arg %s\n", argv[*argc]);
 #endif
@@ -861,24 +863,40 @@ next:
 		}
 	}
 
-	// check if a file named uwsgi.check_static+env['PATH_INFO'] exists
 	
-	if (wsgi_req->path_info_len > 1) {
-		udd = uwsgi.check_static;
-		while(udd) {
-			// need to build the path ?
-			if (udd->value == NULL) {
-				udd->value = realpath(udd->key, NULL);
-				if (!udd->value) goto nextcs;				
-				udd->vallen = strlen(udd->value);
-			}
+	// check for static files
 
-			if (!uwsgi_file_serve(wsgi_req, udd->value, udd->vallen, wsgi_req->path_info, wsgi_req->path_info_len)) {
-				return -1;
-			}
-nextcs:
-			udd = udd->next;
+	// skip extensions
+	struct uwsgi_string_list *sse = uwsgi.static_skip_ext;
+	while(sse) {
+		if (wsgi_req->path_info_len >= sse->len) {
+			if (!uwsgi_strncmp(wsgi_req->path_info+(wsgi_req->path_info_len - sse->len), sse->len, sse->value, sse->len)) {
+				return 0;
+			} 
 		}
+		sse = sse->next;
+	}
+	// check if a file named uwsgi.check_static+env['PATH_INFO'] exists
+	udd = uwsgi.check_static;
+	while(udd) {
+		// need to build the path ?
+		if (udd->value == NULL) {
+#ifdef UWSGI_THREADING
+			if (uwsgi.threads > 1) pthread_mutex_lock(&uwsgi.lock_static);
+#endif
+			udd->value = realpath(udd->key, NULL);
+#ifdef UWSGI_THREADING
+			if (uwsgi.threads > 1) pthread_mutex_unlock(&uwsgi.lock_static);
+#endif
+			if (!udd->value) goto nextcs;				
+			udd->vallen = strlen(udd->value);
+		}
+
+		if (!uwsgi_file_serve(wsgi_req, udd->value, udd->vallen, wsgi_req->path_info, wsgi_req->path_info_len)) {
+			return -1;
+		}
+nextcs:
+		udd = udd->next;
 	}
 
 	// check static-map
@@ -888,7 +906,13 @@ nextcs:
 		uwsgi_log("checking for %.*s <-> %.*s\n", wsgi_req->path_info_len, wsgi_req->path_info, udd->keylen, udd->key);
 #endif
 		if (udd->status == 0) {
+#ifdef UWSGI_THREADING
+			if (uwsgi.threads > 1) pthread_mutex_lock(&uwsgi.lock_static);
+#endif
 			char *real_docroot = realpath(udd->value, NULL);
+#ifdef UWSGI_THREADING
+			if (uwsgi.threads > 1) pthread_mutex_unlock(&uwsgi.lock_static);
+#endif
 			if (!real_docroot) goto nextsm;
 			udd->value = real_docroot;
 			udd->vallen = strlen(udd->value);
@@ -1459,17 +1483,73 @@ char *uwsgi_get_mime_type(char *name, int namelen, int *size) {
 	return NULL;
 }
 
+int uwsgi_append_static_path(char *dir, char *file, int file_len) {
+
+	size_t len = strlen(dir);
+	
+	if (len + 1 + file_len > PATH_MAX) {
+		return -1;
+	}
+
+	if (dir[len-1] == '/') {
+		memcpy(dir+len, file, file_len);
+		dir[len+file_len] = 0;
+	}
+	else {
+		dir[len] = '/';
+		memcpy(dir+len+1, file, file_len);
+		dir[len+1+file_len] = 0;
+	}
+
+	return len;
+}
+
+int uwsgi_static_stat(char *filename, struct stat *st) {
+
+	int ret = stat(filename, st);
+	// if non-existant return -1
+	if (ret < 0) return -1;
+
+	if (S_ISREG(st->st_mode)) return 0;
+
+	// check for index
+	if (S_ISDIR(st->st_mode)) {
+		struct uwsgi_string_list *usl = uwsgi.static_index;
+		while(usl) {
+			ret = uwsgi_append_static_path(filename, usl->value, usl->len);
+			if (ret >= 0) {
+#ifdef UWSGI_DEBUG
+				uwsgi_log("checking for %s\n", filename);
+#endif
+				if (!uwsgi_static_stat(filename, st)) {
+					return 0;
+				}
+				// reset to original name
+				filename[ret] = 0;
+			}
+			usl = usl->next;
+		}
+	}
+
+	return -1;
+}
+
 int uwsgi_file_serve(struct wsgi_request *wsgi_req, char *document_root, uint16_t document_root_len, char *path_info, uint16_t path_info_len) {
 
         struct stat st;
-        char real_filename[PATH_MAX];
+	struct iovec headers_vec[8];
+        char real_filename[PATH_MAX+1];
+	char content_length[sizeof(UMAX64_STR)+1];
+	size_t real_filename_len = 0;
+
         char *filename = uwsgi_concat3n(document_root, document_root_len, "/", 1, path_info, path_info_len);
+
 #ifdef UWSGI_DEBUG
-        uwsgi_log("checking for %s\n", filename);
+        uwsgi_log("[uwsgi-fileserve] checking for %s\n", filename);
 #endif
         if (!realpath(filename, real_filename)) {
 #ifdef UWSGI_DEBUG
-                uwsgi_log("unable to get realpath() of the static file\n");
+                uwsgi_log("[uwsgi-fileserve] unable to get realpath() of the static file\n");
 #endif
                 free(filename);
                 return -1;
@@ -1478,23 +1558,34 @@ int uwsgi_file_serve(struct wsgi_request *wsgi_req, char *document_root, uint16_
         free(filename);
 
         if (uwsgi_starts_with(real_filename, strlen(real_filename), document_root, document_root_len)) {
-                uwsgi_log("security error: %s is not under %.*s\n", real_filename, document_root_len, document_root);
+                uwsgi_log("[uwsgi-fileserve] security error: %s is not under %.*s\n", real_filename, document_root_len, document_root);
                 return -1;
         }
-        if (!stat(real_filename, &st)) {
+
+        if (!uwsgi_static_stat(real_filename, &st)) {
 		int mime_type_size = 0;
-		char *mime_type = uwsgi_get_mime_type(path_info, path_info_len, &mime_type_size);
+                char http_last_modified[49];
+		real_filename_len = strlen(real_filename);
+		char *mime_type = uwsgi_get_mime_type(real_filename, real_filename_len, &mime_type_size);
                 if (wsgi_req->if_modified_since_len) {
                         time_t ims = parse_http_date(wsgi_req->if_modified_since, wsgi_req->if_modified_since_len);
                         if (st.st_mtime <= ims) {
                                 wsgi_req->status = 304;
-                                wsgi_req->headers_size = wsgi_req->socket->proto_write_header(wsgi_req, wsgi_req->protocol, wsgi_req->protocol_len);
-                                wsgi_req->headers_size += wsgi_req->socket->proto_write_header(wsgi_req, " 304 Not Modified\r\n", 19);
+				headers_vec[0].iov_base = wsgi_req->protocol;
+				headers_vec[0].iov_len = wsgi_req->protocol_len;
+				headers_vec[1].iov_base = " 304 Not Modified\r\n";
+				headers_vec[1].iov_len = 19;
+
+				wsgi_req->headers_size += wsgi_req->socket->proto_writev_header(wsgi_req, headers_vec, 2);
 
 				struct uwsgi_string_list *ah = uwsgi.additional_headers;
 				while(ah) {
-					wsgi_req->headers_size += wsgi_req->socket->proto_write_header(wsgi_req, ah->value, ah->len);
-					wsgi_req->headers_size += wsgi_req->socket->proto_write_header(wsgi_req, "\r\n", 2);
+					headers_vec[0].iov_base = ah->value;
+					headers_vec[0].iov_len = ah->len;
+					headers_vec[1].iov_base = "\r\n";
+					headers_vec[1].iov_len = 2;
+					wsgi_req->headers_size += wsgi_req->socket->proto_writev_header(wsgi_req, headers_vec, 2);
+					wsgi_req->header_cnt++;
 					ah = ah->next;
 				}
 
@@ -1502,84 +1593,89 @@ int uwsgi_file_serve(struct wsgi_request *wsgi_req, char *document_root, uint16_
                                 return 0;
                         }
                 }
-                if (S_ISREG(st.st_mode) || S_ISLNK(st.st_mode)) {
-                        char http_last_modified[49];
 #ifdef UWSGI_DEBUG
-                        uwsgi_log("file %s found\n", real_filename);
+                uwsgi_log("[uwsgi-fileserve] file %s found\n", real_filename);
 #endif
-                        // no need to set content-type/content-length, they will be fixed by the http server/router
 
-                        wsgi_req->headers_size = wsgi_req->socket->proto_write_header(wsgi_req, wsgi_req->protocol, wsgi_req->protocol_len);
-                        wsgi_req->headers_size += wsgi_req->socket->proto_write_header(wsgi_req, " 200 OK\r\n", 9);
+		// HTTP status
+		headers_vec[0].iov_base = wsgi_req->protocol;
+                headers_vec[0].iov_len = wsgi_req->protocol_len;
+		headers_vec[1].iov_base = " 200 OK\r\n";
+                headers_vec[1].iov_len = 9;
+                wsgi_req->headers_size = wsgi_req->socket->proto_writev_header(wsgi_req, headers_vec, 2);
 
+			// uWSGI additional headers
 			struct uwsgi_string_list *ah = uwsgi.additional_headers;
 			while(ah) {
-				wsgi_req->headers_size += wsgi_req->socket->proto_write_header(wsgi_req, ah->value, ah->len);
-				wsgi_req->headers_size += wsgi_req->socket->proto_write_header(wsgi_req, "\r\n", 2);
+				headers_vec[0].iov_base = ah->value;
+				headers_vec[0].iov_len = ah->len;
+				headers_vec[1].iov_base = "\r\n";
+				headers_vec[1].iov_len = 2;
+				wsgi_req->headers_size += wsgi_req->socket->proto_writev_header(wsgi_req, headers_vec, 2);
 				wsgi_req->header_cnt++;
 				ah = ah->next;
 			}
 
+			// Content-Type (if available)
 			if (mime_type_size > 0 && mime_type) {
+				headers_vec[0].iov_base = "Content-Type: ";
+				headers_vec[0].iov_len = 14;
+				headers_vec[1].iov_base = mime_type;
+				headers_vec[1].iov_len = mime_type_size;
+				headers_vec[2].iov_base = "\r\n";
+				headers_vec[2].iov_len = 2;
+				wsgi_req->headers_size += wsgi_req->socket->proto_writev_header(wsgi_req, headers_vec, 3);
 				wsgi_req->header_cnt++;
-				wsgi_req->headers_size += wsgi_req->socket->proto_write_header(wsgi_req, "Content-Type: ", 14);
-				wsgi_req->headers_size += wsgi_req->socket->proto_write_header(wsgi_req, mime_type, mime_type_size);
-				wsgi_req->headers_size += wsgi_req->socket->proto_write_header(wsgi_req, "\r\n", 2);
 			}
 
+			// nginx
 			if (uwsgi.file_serve_mode == 1) {
-                                wsgi_req->header_cnt += 2;
-				wsgi_req->headers_size += wsgi_req->socket->proto_write_header(wsgi_req, "X-Accel-Redirect: ", 18);
-				wsgi_req->headers_size += wsgi_req->socket->proto_write_header(wsgi_req, document_root, document_root_len);
-				if (document_root[document_root_len-1] != '/') {
-					wsgi_req->headers_size += wsgi_req->socket->proto_write_header(wsgi_req, "/", 1);
-				}
-				wsgi_req->headers_size += wsgi_req->socket->proto_write_header(wsgi_req, path_info, path_info_len);
-				wsgi_req->headers_size += wsgi_req->socket->proto_write_header(wsgi_req, "\r\n", 2);
+				headers_vec[0].iov_base = "X-Accel-Redirect: "; headers_vec[0].iov_len = 18 ;
+				headers_vec[1].iov_base = real_filename; headers_vec[1].iov_len = real_filename_len;
+				headers_vec[2].iov_base = "\r\n"; headers_vec[2].iov_len = 2;
+				wsgi_req->headers_size += wsgi_req->socket->proto_writev_header(wsgi_req, headers_vec, 3);
+				// this is the final header (\r\n added)
                         	set_http_date(st.st_mtime, http_last_modified);
                         	wsgi_req->headers_size += wsgi_req->socket->proto_write_header(wsgi_req, http_last_modified, 48);
+                                wsgi_req->header_cnt += 2;
 			}
+			// apache
 			else if (uwsgi.file_serve_mode == 2) {
+				headers_vec[0].iov_base = "X-Sendfile: "; headers_vec[0].iov_len = 12 ;
+				headers_vec[1].iov_base = real_filename; headers_vec[1].iov_len = real_filename_len;
+				headers_vec[2].iov_base = "\r\n"; headers_vec[2].iov_len = 2;
+				wsgi_req->headers_size += wsgi_req->socket->proto_writev_header(wsgi_req, headers_vec, 3);
+				// this is the final header (\r\n added)
+                        	set_http_date(st.st_mtime, http_last_modified);
+                        	wsgi_req->headers_size += wsgi_req->socket->proto_write_header(wsgi_req, http_last_modified, 48);
                                 wsgi_req->header_cnt += 2;
-				wsgi_req->headers_size += wsgi_req->socket->proto_write_header(wsgi_req, "X-Sendfile: ", 12);
-				wsgi_req->headers_size += wsgi_req->socket->proto_write_header(wsgi_req, document_root, document_root_len);
-                                if (document_root[document_root_len-1] != '/') {
-                                        wsgi_req->headers_size += wsgi_req->socket->proto_write_header(wsgi_req, "/", 1);
-                                }
-                                wsgi_req->headers_size += wsgi_req->socket->proto_write_header(wsgi_req, path_info, path_info_len);	
-				wsgi_req->headers_size += wsgi_req->socket->proto_write_header(wsgi_req, "\r\n", 2);
-                        	set_http_date(st.st_mtime, http_last_modified);
-                        	wsgi_req->headers_size += wsgi_req->socket->proto_write_header(wsgi_req, http_last_modified, 48);
 			}
+			// raw
 			else {
-                                wsgi_req->header_cnt += 1;
+                        	// set Content-Length
+				headers_vec[0].iov_base = "Content-Length: ";
+				headers_vec[0].iov_len = 16;
+				headers_vec[1].iov_len = uwsgi_long2str2n(st.st_size, content_length, sizeof(UMAX64_STR)+1);
+				headers_vec[1].iov_base = content_length;
+				headers_vec[2].iov_base = "\r\n";
+				headers_vec[2].iov_len = 2;
+				// this is the final header (\r\n added)
                         	set_http_date(st.st_mtime, http_last_modified);
-                        	wsgi_req->headers_size += wsgi_req->socket->proto_write_header(wsgi_req, http_last_modified, 48);
+				headers_vec[3].iov_base = http_last_modified;
+				headers_vec[3].iov_len = 48;
+                        	wsgi_req->headers_size += wsgi_req->socket->proto_writev_header(wsgi_req, headers_vec, 4);
+                                wsgi_req->header_cnt += 2;
                                 wsgi_req->sendfile_fd = open(real_filename, O_RDONLY);
                                 wsgi_req->response_size += uwsgi_sendfile(wsgi_req);
+				// here we need to close the sendfile fd (no-GC involved)
+				close(wsgi_req->sendfile_fd);
 			}
 
 
                         wsgi_req->status = 200;
                         return 0;
-                }
         }
 
         return -1;
 
 }
-
-char *uwsgi_get_var(struct wsgi_request *wsgi_req, char *key, uint16_t *len) {
-
-	int i;
-	*len = 0;
-	for (i = 0; i < wsgi_req->var_cnt; i += 2) {
-		if (!uwsgi_strncmp(key, strlen(key), wsgi_req->hvec[i].iov_base, wsgi_req->hvec[i].iov_len)) {
-			*len = wsgi_req->hvec[i + 1].iov_len;
-			return wsgi_req->hvec[i + 1].iov_base;
-		}
-        }
-
-	return NULL;
-
-}

rpc.c

@@ -33,7 +33,7 @@ int uwsgi_register_rpc(char *name, uint8_t modifier1, uint8_t args, void *func)
 	return ret;
 }
 
-uint16_t uwsgi_rpc(char *name, uint8_t argc, char *argv[], char *output) {
+uint16_t uwsgi_rpc(char *name, uint8_t argc, char *argv[], uint16_t argvs[], char *output) {
 
 	struct uwsgi_rpc *urpc = NULL;
 	int i;
@@ -50,9 +50,93 @@ uint16_t uwsgi_rpc(char *name, uint8_t argc, char *argv[], char *output) {
 
 	if (urpc) {
 		if (uwsgi.p[urpc->modifier1]->rpc) {
-			ret = uwsgi.p[urpc->modifier1]->rpc(urpc->func, argc, argv, output);
+			ret = uwsgi.p[urpc->modifier1]->rpc(urpc->func, argc, argv, argvs, output);
 		}
 	}
 
 	return ret;
 }
+
+
+char *uwsgi_do_rpc(char *node, char *func, uint8_t argc, char *argv[], uint16_t argvs[], uint16_t *len) {
+
+	uint8_t i;
+	uint16_t ulen;
+	struct uwsgi_header uh;
+	char *buffer = NULL;
+	
+	*len = 0;
+
+        if (node == NULL || !strcmp(node, "")) {
+		// allocate the whole buffer
+		buffer = uwsgi_malloc(65536);
+        	*len = uwsgi_rpc(func, argc, argv, argvs, buffer);
+		return buffer;
+        }
+
+
+	// connect to node
+        int fd = uwsgi_connect(node, uwsgi.shared->options[UWSGI_OPTION_SOCKET_TIMEOUT], 0);
+
+        if (fd < 0) return NULL;
+
+        // prepare a uwsgi array
+	uint16_t buffer_size = 2 + strlen(func);
+
+        for (i = 0; i < argc; i++) {
+        	buffer_size += 2 + argvs[i];
+        }
+
+	// allocate the whole buffer
+	buffer = uwsgi_malloc(65536);
+
+        uh.modifier1 = 173;
+        uh.pktsize = buffer_size;
+        uh.modifier2 = 0;
+
+	// add func to the array
+        char *bufptr = buffer;
+        ulen = strlen(func);
+        *bufptr++ = (uint8_t) (ulen & 0xff);
+        *bufptr++ = (uint8_t) ((ulen >> 8) & 0xff);
+        memcpy(bufptr, func, ulen);
+        bufptr += ulen;
+
+        for (i = 0; i < argc; i++) {
+        	ulen = argvs[i];
+        	*bufptr++ = (uint8_t) (ulen & 0xff);
+        	*bufptr++ = (uint8_t) ((ulen >> 8) & 0xff);
+        	memcpy(bufptr, argv[i], ulen);
+        	bufptr += ulen;
+        }
+
+        if (write(fd, &uh, 4) != 4) {
+        	uwsgi_error("write()");
+                close(fd);
+		free(buffer);
+                return NULL;
+        }
+
+        if (write(fd, buffer, buffer_size) != buffer_size) {
+        	uwsgi_error("write()");
+                close(fd);
+		free(buffer);
+                return NULL;
+        }
+
+	if (uwsgi_read_response(fd, &uh, uwsgi.shared->options[UWSGI_OPTION_SOCKET_TIMEOUT], &buffer) < 0) {
+		close(fd);
+		free(buffer);
+		return NULL;
+	}
+
+	close(fd);
+	
+	*len = uh.pktsize;
+	if (*len == 0) {
+		free(buffer);
+		return NULL;
+	}
+	return buffer;
+
+}

sendfile.c

@@ -106,6 +106,7 @@ ssize_t uwsgi_do_sendfile(int sockfd, int filefd, size_t filesize, size_t chunk,
 #else
 	static size_t nosf_buf_size = 0;
 	static char *nosf_buf;
+	char *nosf_buf2;
 
 	ssize_t jlen = 0;
 	ssize_t rlen = 0;
@@ -115,7 +116,16 @@ ssize_t uwsgi_do_sendfile(int sockfd, int filefd, size_t filesize, size_t chunk,
 		nosf_buf = malloc(chunk);
 	}
 	else if (chunk != nosf_buf_size) {
-		nosf_buf = realloc(nosf_buf, chunk);
+		nosf_buf2 = realloc(nosf_buf, chunk);
+		if (!nosf_buf2) {
+			free(nosf_buf);
+		}
+		nosf_buf = nosf_buf2;
+	}
+
+	if (!nosf_buf) {
+		uwsgi_error("sendfile malloc()/realloc()");
+		return 0;
 	}
 
 	nosf_buf_size = chunk;

setup.py

@@ -10,13 +10,15 @@ from setuptools.command.install_lib import install_lib
 from setuptools.command.build_ext import build_ext
 
 """
-This is a hack allowing you installing uWSGI and uwsgidecorators via pip and easy_install
+This is a hack allowing you installing
+uWSGI and uwsgidecorators via pip and easy_install
 """
 
 uwsgi_compiled = False
 
+
 def get_profile():
-    profile = os.environ.get('UWSGI_PROFILE','buildconf/default.ini')
+    profile = os.environ.get('UWSGI_PROFILE', 'buildconf/default.ini')
     if not profile.endswith('.ini'):
         profile = "%s.ini" % profile
     if not '/' in profile:
@@ -24,6 +26,7 @@ def get_profile():
 
     return profile
 
+
 def patch_bin_path(cmd, conf):
 
     bin_name = conf.get('bin_name')
@@ -33,7 +36,8 @@ def patch_bin_path(cmd, conf):
             os.makedirs(cmd.install_scripts)
         if not os.path.isabs(bin_name):
             print('Patching "bin_name" to properly install_scripts dir')
-            conf.set('bin_name', os.path.join(cmd.install_scripts, conf.get('bin_name')))
+            conf.set('bin_name',
+                os.path.join(cmd.install_scripts, conf.get('bin_name')))
     except:
         conf.set('bin_name', sys.prefix + '/bin/' + bin_name)
 
@@ -45,7 +49,7 @@ class uWSGIBuilder(build_ext):
         if not uwsgi_compiled:
             conf = uc.uConf(get_profile())
             patch_bin_path(self, conf)
-            uc.build_uwsgi( conf )
+            uc.build_uwsgi(conf)
             uwsgi_compiled = True
 
 
@@ -56,10 +60,11 @@ class uWSGIInstall(install):
         if not uwsgi_compiled:
             conf = uc.uConf(get_profile())
             patch_bin_path(self, conf)
-            uc.build_uwsgi( conf )
+            uc.build_uwsgi(conf)
             uwsgi_compiled = True
         install.run(self)
 
+
 class uWSGIInstallLib(install_lib):
 
     def run(self):
@@ -67,10 +72,11 @@ class uWSGIInstallLib(install_lib):
         if not uwsgi_compiled:
             conf = uc.uConf(get_profile())
             patch_bin_path(self, conf)
-            uc.build_uwsgi( conf )
+            uc.build_uwsgi(conf)
             uwsgi_compiled = True
         install_lib.run(self)
 
+
 class uWSGIDistribution(Distribution):
 
     def __init__(self, *attrs):
@@ -79,6 +85,7 @@ class uWSGIDistribution(Distribution):
         self.cmdclass['install_lib'] = uWSGIInstallLib
         self.cmdclass['build_ext'] = uWSGIBuilder
 
+
 setup(name='uWSGI',
       version=uc.uwsgi_version,
       description='The uWSGI server',
@@ -86,7 +93,6 @@ setup(name='uWSGI',
       author_email='info@unbit.it',
       url='http://projects.unbit.it/uwsgi/',
       license='GPL2',
-      py_modules = ['uwsgidecorators'],
-      distclass = uWSGIDistribution,
+      py_modules=['uwsgidecorators'],
+      distclass=uWSGIDistribution,
      )
-

signal.c

@@ -12,6 +12,28 @@ int uwsgi_signal_handler(uint8_t sig) {
 		return -1;
 	}	
 
+	// check for COW
+	if (uwsgi.master_process) {
+		if (use->wid != 0 && use->wid != uwsgi.mywid) {
+			uwsgi_log("[uwsgi-signal] you have registered this signal in worker %d memory area, only that process will be able to run it\n", use->wid);
+			return -1;
+		}
+	}
+	// in lazy mode (without a master), only the same worker will be able to run handlers
+	else if (uwsgi.lazy) {
+		if (use->wid != uwsgi.mywid) {
+			uwsgi_log("[uwsgi-signal] you have registered this signal in worker %d memory area, only that process will be able to run it\n", use->wid);
+			return -1;
+		}
+	}
+	else {
+		// when master is not active, worker1 is the COW-leader
+		if (use->wid != 1 && use->wid != uwsgi.mywid) {
+			uwsgi_log("[uwsgi-signal] you have registered this signal in worker %d memory area, only that process will be able to run it\n", use->wid);
+			return -1;
+		}
+	}
+
         // set harakiri here (if required and if i am a worker)
 	
 	if (uwsgi.mywid > 0) {
@@ -81,15 +103,22 @@ int uwsgi_register_signal(uint8_t sig, char *receiver, void *handler, uint8_t mo
 
 	use = &uwsgi.shared->signal_table[sig];
 
+	if (use->handler) {
+		uwsgi_log("[uwsgi-signal] you cannot re-register a signal !!!\n");
+		uwsgi_unlock(uwsgi.signal_table_lock);
+		return -1;
+	}
+
 	strcpy(use->receiver, receiver);
 	use->handler = handler;
 	use->modifier1 = modifier1;
+	use->wid = uwsgi.mywid;
 
 	if (use->receiver[0] == 0) {
-		uwsgi_log("[uwsgi-signal] signum %d registered (modifier1: %d target: default, any worker)\n", sig, modifier1);
+		uwsgi_log("[uwsgi-signal] signum %d registered (wid: %d modifier1: %d target: default, any worker)\n", sig, uwsgi.mywid, modifier1);
 	}
 	else {
-		uwsgi_log("[uwsgi-signal] signum %d registered (modifier1: %d target: %s)\n", sig, modifier1, receiver);
+		uwsgi_log("[uwsgi-signal] signum %d registered (wid: %d modifier1: %d target: %s)\n", sig, uwsgi.mywid, modifier1, receiver);
 	}
 
 	uwsgi_unlock(uwsgi.signal_table_lock);

socket.c

@@ -2,6 +2,43 @@
 
 extern struct uwsgi_server uwsgi;
 
+char *uwsgi_getsockname(int fd) {
+
+	socklen_t socket_type_len = sizeof(struct sockaddr_un);
+	union uwsgi_sockaddr usa;
+	union uwsgi_sockaddr_ptr gsa;
+	char computed_port[6];
+        char ipv4a[INET_ADDRSTRLEN + 1];
+
+        gsa.sa = (struct sockaddr *) &usa;
+
+        if (!getsockname(fd, gsa.sa, &socket_type_len)) {
+        	if (gsa.sa->sa_family == AF_UNIX) {
+                	if (usa.sa_un.sun_path[0] == 0) {
+				return uwsgi_concat2("@", usa.sa_un.sun_path+1);
+			}
+			else {
+				return uwsgi_str(usa.sa_un.sun_path);
+			}
+                }
+                else {
+                        memset(ipv4a, 0, INET_ADDRSTRLEN + 1);
+                        memset(computed_port, 0, 6);
+                        if (snprintf(computed_port, 6, "%d", ntohs(gsa.sa_in->sin_port)) > 0) {
+				if (inet_ntop(AF_INET, (const void *) &gsa.sa_in->sin_addr.s_addr, ipv4a, INET_ADDRSTRLEN)) {
+                                        if (!strcmp("0.0.0.0", ipv4a)) {
+                                                return uwsgi_concat2(":", computed_port);
+                                        }
+                                        else {
+                                                return uwsgi_concat3(ipv4a, ":", computed_port);
+                                        }
+				}
+			}
+                }
+	}
+	return NULL;
+}
+
 int bind_to_unix(char *socket_name, int listen_queue, int chmod_socket, int abstract_socket) {
 
 	int serverfd;
@@ -460,15 +497,18 @@ socklen_t socket_to_un_addr(char *socket_name, struct sockaddr_un *sun_addr) {
         return sizeof(sun_addr->sun_family)+len;
 }
 
-socklen_t socket_to_in_addr(char *socket_name, char *port, struct sockaddr_in *sin_addr) {
+socklen_t socket_to_in_addr(char *socket_name, char *port, int portn, struct sockaddr_in *sin_addr) {
 
 	memset(sin_addr, 0, sizeof(struct sockaddr_in));
 	
 	sin_addr->sin_family = AF_INET;
 	if (port) {
-		port[0] = 0;
+		*port = 0;
 		sin_addr->sin_port = htons(atoi(port + 1));
 	}
+	else {
+		sin_addr->sin_port = htons(portn);
+	}
 
 	if (socket_name[0] == 0) {
                 sin_addr->sin_addr.s_addr = INADDR_ANY;
@@ -483,6 +523,10 @@ socklen_t socket_to_in_addr(char *socket_name, char *port, struct sockaddr_in *s
 		}
         }
 
+	if (port) {
+		*port = ':';
+	}
+
 	return sizeof(struct sockaddr_in);
 	
 }
@@ -493,7 +537,7 @@ int bind_to_tcp(char *socket_name, int listen_queue, char *tcp_port) {
 	struct sockaddr_in uws_addr;
 	int reuse = 1;
 
-	socket_to_in_addr(socket_name, tcp_port, &uws_addr);
+	socket_to_in_addr(socket_name, tcp_port, 0, &uws_addr);
 
 	serverfd = socket(AF_INET, SOCK_STREAM, 0);
 	if (serverfd < 0) {

spooler.c

@@ -65,13 +65,13 @@ void destroy_spool(char *dir, char *file) {
 
 	if (chdir(dir)) {
 		uwsgi_error("chdir()");
-                uwsgi_log("something horrible happened to the spooler. Better to kill it.\n");
+                uwsgi_log("[spooler] something horrible happened to the spooler. Better to kill it.\n");
 		exit(1);
 	}
 
 	if (unlink(file)) {
         	uwsgi_error("unlink()");
-                uwsgi_log("something horrible happened to the spooler. Better to kill it.\n");
+                uwsgi_log("[spooler] something horrible happened to the spooler. Better to kill it.\n");
                 exit(1);
 	}
 
@@ -165,7 +165,7 @@ int spool_request(char *filename, int rn, int core_id, char *buffer, int size, c
 
 	close(fd);
 
-	uwsgi_log("written %d bytes to spool file %s\n", size + body_len + 4, filename);
+	uwsgi_log("[spooler] written %d bytes to file %s\n", size + body_len + 4, filename);
 	
 	uwsgi_unlock(uwsgi.spooler_lock);
 
@@ -347,7 +347,7 @@ void spooler_manage_task(char *dir, char *task) {
 			return;
 		}
 		if (!access(task, R_OK | W_OK)) {
-			uwsgi_log("managing spool request %s ...\n", task);
+			uwsgi_log("[spooler] managing request %s ...\n", task);
 
 #ifdef __sun__
 			// lockf needs write permission
@@ -426,7 +426,7 @@ void spooler_manage_task(char *dir, char *task) {
 					if (ret == 0) continue;
 					callable_found = 1;
 					if (ret == -2) {
-						uwsgi_log("done with task/spool %s after %d seconds\n", task, time(NULL)-now);
+						uwsgi_log("[spooler] done with task %s after %d seconds\n", task, time(NULL)-now);
 						destroy_spool(dir, task);	
 					}
 					// re-spool it

subscription.c

@@ -61,6 +61,8 @@ struct uwsgi_subscribe_slot *uwsgi_get_subscribe_slot(struct uwsgi_subscribe_slo
 		}
 #endif
 		current_slot = current_slot->next;
+		// check for loopy optimization
+		if (current_slot == *slot) break;
 	}
 
         return NULL;
@@ -83,6 +85,7 @@ struct uwsgi_subscribe_node *uwsgi_get_subscribe_node(struct uwsgi_subscribe_slo
 			if (current - node->last_check > uwsgi.subscription_tolerance) {
 				if (node->death_mark == 0)
 					uwsgi_log("[uwsgi-subscription] %.*s => marking %.*s as failed (no announce received in %d seconds)\n", (int) keylen, key, (int) node->len, node->name, uwsgi.subscription_tolerance);
+				node->failcnt++;
 				node->death_mark = 1;
 			}
 			if (node->death_mark && node->reference == 0) {
@@ -95,7 +98,8 @@ struct uwsgi_subscribe_node *uwsgi_get_subscribe_node(struct uwsgi_subscribe_slo
 				}
 				continue;
 			}
-			if (rr_pos == current_slot->rr) {
+			// only unmarked nodes can respond
+			if (node->death_mark == 0 && rr_pos == current_slot->rr) {
 				current_slot->rr++;
 				node->reference++;
 				return node;
@@ -103,8 +107,10 @@ struct uwsgi_subscribe_node *uwsgi_get_subscribe_node(struct uwsgi_subscribe_slo
 			node = node->next;
 			rr_pos++;
 		}
-		current_slot->rr = 0;
+		current_slot->rr = 1;
 		if (current_slot->nodes) {
+			if (current_slot->nodes->death_mark)
+				return NULL;
 			current_slot->nodes->reference++;
 		}
 		return current_slot->nodes;
@@ -159,6 +165,20 @@ int uwsgi_remove_subscribe_node(struct uwsgi_subscribe_slot **slot, struct uwsgi
 	free(node);
 	// no more nodes, remove the slot too
 	if (node_slot->nodes == NULL) {
+
+		ret = 1;
+
+		// first check if i am the only node
+		if ((!prev_slot && !next_slot) || next_slot == node_slot) {
+			free(node_slot);
+			*slot = NULL;
+			goto end;
+		}
+
+		// if i am the main entry point, set the next value
+		if (node_slot == *slot) {
+			*slot = next_slot;
+		}
 			
 		if (prev_slot) {	
 			prev_slot->next = next_slot;	
@@ -176,14 +196,16 @@ int uwsgi_remove_subscribe_node(struct uwsgi_subscribe_slot **slot, struct uwsgi
 		}
 #endif
 
-		ret = 1;
 		free(node_slot);
-		// am i the only slot ?
-		if (!prev_slot && !next_slot) {
-			*slot = NULL;
+		struct uwsgi_subscribe_slot *x_slot = *slot;
+		while(x_slot) {
+			x_slot = x_slot->next;
 		}
+
 	}
 
+end:
+
 	return ret;
 }
 
@@ -198,9 +220,11 @@ struct uwsgi_subscribe_node *uwsgi_add_subscribe_node(struct uwsgi_subscribe_slo
 		node = current_slot->nodes;
 		while(node) {
                         if (!uwsgi_strncmp(node->name, node->len, usr->address, usr->address_len)) {
-				// remove death mark
+				// remove death mark and update cores and load
 				node->death_mark = 0;
                                 node->last_check = time(NULL);
+				node->cores = usr->cores;
+				node->load = usr->load;
                                 return node;
                         }
 			old_node = node;
@@ -211,8 +235,13 @@ struct uwsgi_subscribe_node *uwsgi_add_subscribe_node(struct uwsgi_subscribe_slo
 		node->len = usr->address_len;
 		node->modifier1 = usr->modifier1;
 		node->modifier2 = usr->modifier2;
+		node->requests = 0;
+		node->transferred = 0;
 		node->reference = 0;
 		node->death_mark = 0;
+		node->failcnt = 0;
+		node->cores = usr->cores;
+		node->load = usr->load;
 		node->last_check = time(NULL);
 		node->slot = current_slot;
                 memcpy(node->name, usr->address, usr->address_len);
@@ -247,9 +276,14 @@ struct uwsgi_subscribe_node *uwsgi_add_subscribe_node(struct uwsgi_subscribe_slo
 		current_slot->nodes->slot = current_slot;
 		current_slot->nodes->len = usr->address_len;
 		current_slot->nodes->reference = 0;
+		current_slot->nodes->requests = 0;
+		current_slot->nodes->transferred = 0;
 		current_slot->nodes->death_mark = 0;
+		current_slot->nodes->failcnt = 0;
 		current_slot->nodes->modifier1 = usr->modifier1;
 		current_slot->nodes->modifier2 = usr->modifier2;
+		current_slot->nodes->cores = usr->cores;
+		current_slot->nodes->load = usr->load;
 		memcpy(current_slot->nodes->name, usr->address, usr->address_len);
 		current_slot->nodes->last_check = time(NULL);
 
@@ -325,13 +359,21 @@ struct uwsgi_subscribe_node *uwsgi_add_subscribe_node(struct uwsgi_subscribe_slo
 }
 
 
-void uwsgi_send_subscription(char *udp_address, char *key, size_t keysize, char *modifier1, size_t modifier1_len, uint8_t cmd) {
+void uwsgi_send_subscription(char *udp_address, char *key, size_t keysize, uint8_t modifier1, uint8_t modifier2, uint8_t cmd) {
 
-	size_t ssb_size = 4 + (2 + 3) + (2 + keysize) + (2 + 7) + (2 + strlen(uwsgi.sockets->name));
+	char value_cores[sizeof(UMAX64_STR)+1];
+	char value_load[sizeof(UMAX64_STR)+1];
+	char value_modifier1[4];
+	char value_modifier2[4];
+	int value_cores_size = uwsgi_long2str2n(uwsgi.numproc*uwsgi.cores, value_cores, sizeof(UMAX64_STR));
+	int value_load_size = uwsgi_long2str2n(uwsgi.shared->load, value_load, sizeof(UMAX64_STR));
+	int value_modifier1_size = uwsgi_long2str2n(modifier1, value_modifier1, 3);
+	int value_modifier2_size = uwsgi_long2str2n(modifier2, value_modifier2, 3);
 
-	if (modifier1) {
-		ssb_size += (2 + 9) + (2 + modifier1_len);
-	}
+	if (!uwsgi.sockets) return;
+
+	size_t ssb_size = 4 + (2 + 3) + (2 + keysize) + (2 + 7) + (2 + strlen(uwsgi.sockets->name)) + (2+9 + 2+value_modifier1_size) +
+		(2+9 + 2+value_modifier2_size) + (2+5 + 2+value_cores_size) + (2+4 + 2+value_load_size);
 
         char *subscrbuf = uwsgi_malloc(ssb_size);
 	// leave space for uwsgi header
@@ -364,20 +406,59 @@ void uwsgi_send_subscription(char *udp_address, char *key, size_t keysize, char
         ssb+=ustrlen;
 
 	// modifier1 = "modifier1"
-        if (modifier1) {
-                ustrlen = 9;
-                *ssb++ = (uint8_t) (ustrlen  & 0xff);
-                *ssb++ = (uint8_t) ((ustrlen >>8) & 0xff);
-                memcpy(ssb, "modifier1", ustrlen);
-                ssb+=ustrlen;
+        ustrlen = 9;
+        *ssb++ = (uint8_t) (ustrlen  & 0xff);
+        *ssb++ = (uint8_t) ((ustrlen >>8) & 0xff);
+        memcpy(ssb, "modifier1", ustrlen);
+        ssb+=ustrlen;
 
-                ustrlen = modifier1_len;
-                *ssb++ = (uint8_t) (ustrlen  & 0xff);
-                *ssb++ = (uint8_t) ((ustrlen >>8) & 0xff);
-                memcpy(ssb, modifier1, ustrlen);
-                ssb+=ustrlen;
-        }
+        ustrlen = value_modifier1_size;
+        *ssb++ = (uint8_t) (ustrlen  & 0xff);
+        *ssb++ = (uint8_t) ((ustrlen >>8) & 0xff);
+        memcpy(ssb, value_modifier1, value_modifier1_size);
+        ssb+=ustrlen;
+
+	// modifier2 = "modifier2"
+        ustrlen = 9;
+        *ssb++ = (uint8_t) (ustrlen  & 0xff);
+        *ssb++ = (uint8_t) ((ustrlen >>8) & 0xff);
+        memcpy(ssb, "modifier2", ustrlen);
+        ssb+=ustrlen;
+
+        ustrlen = value_modifier2_size;
+        *ssb++ = (uint8_t) (ustrlen  & 0xff);
+        *ssb++ = (uint8_t) ((ustrlen >>8) & 0xff);
+        memcpy(ssb, value_modifier2, value_modifier2_size);
+        ssb+=ustrlen;
+
+	// cores = uwsgi.numproc * uwsgi.cores
+        ustrlen = 5;
+        *ssb++ = (uint8_t) (ustrlen  & 0xff);
+        *ssb++ = (uint8_t) ((ustrlen >>8) & 0xff);
+        memcpy(ssb, "cores", ustrlen);
+        ssb+=ustrlen;
+
+        ustrlen = value_cores_size;
+        *ssb++ = (uint8_t) (ustrlen  & 0xff);
+        *ssb++ = (uint8_t) ((ustrlen >>8) & 0xff);
+        memcpy(ssb, value_cores, value_cores_size);
+        ssb+=ustrlen;
+
+	// load
+        ustrlen = 4;
+        *ssb++ = (uint8_t) (ustrlen  & 0xff);
+        *ssb++ = (uint8_t) ((ustrlen >>8) & 0xff);
+        memcpy(ssb, "load", ustrlen);
+        ssb+=ustrlen;
+
+        ustrlen = value_load_size;
+        *ssb++ = (uint8_t) (ustrlen  & 0xff);
+        *ssb++ = (uint8_t) ((ustrlen >>8) & 0xff);
+        memcpy(ssb, value_load, value_load_size);
+        ssb+=ustrlen;
+	
 
         send_udp_message(224, cmd, udp_address, subscrbuf, ssb_size-4);
+	free(subscrbuf);
 }
 

utils.c

@@ -275,52 +275,53 @@ void logto(char *logfile) {
 }
 
 #ifdef UWSGI_ZEROMQ
-void log_zeromq(char *node) {
+ssize_t uwsgi_zeromq_logger(struct uwsgi_logger *ul, char *message, size_t len) {
 
-        void *ctx = zmq_init(1);
-        if (ctx == NULL) {
-                uwsgi_error("zmq_init()");
-                exit(1);
+	if (!ul->configured) {
+
+		if (!uwsgi.choosen_logger_arg) {
+			uwsgi_log_safe("invalid zeromq syntax\n");
+			exit(1);
+		}
+
+        	void *ctx = zmq_init(1);
+        	if (ctx == NULL) {
+                	uwsgi_error_safe("zmq_init()");
+                	exit(1);
+        	}
+
+        	ul->data = zmq_socket(ctx, ZMQ_PUSH);
+        	if (ul->data == NULL) {
+                	uwsgi_error_safe("zmq_socket()");
+                	exit(1);
+        	}
+
+        	if (zmq_connect(ul->data, uwsgi.choosen_logger_arg) < 0) {
+                	uwsgi_error_safe("zmq_connect()");
+                	exit(1);
+        	}
+
+		ul->configured = 1;
+	}
+
+	zmq_msg_t msg;
+        if (zmq_msg_init_size (&msg, len) == 0) {
+                memcpy(zmq_msg_data(&msg), message, len);
+                zmq_send(ul->data, &msg, 0);
+        	zmq_msg_close(&msg);
         }
 
-        uwsgi.zmq_log_socket = zmq_socket(ctx, ZMQ_PUSH);
-        if (uwsgi.zmq_log_socket == NULL) {
-                uwsgi_error("zmq_socket()");
-                exit(1);
-        }
-        if (zmq_connect(uwsgi.zmq_log_socket, node) < 0) {
-                uwsgi_error("zmq_connect()");
-                exit(1);
-        }
+	return 0;
 }
 #endif
 
-void log_socket(char *socket_name) {
-
-	int family = AF_UNIX;
-
-	uwsgi.log_socket_addr = uwsgi_malloc(sizeof(union uwsgi_sockaddr));
-
-	char *colon = strchr(socket_name, ':');
-	if (colon) {
-		family = AF_INET;
-		uwsgi.log_socket_size = socket_to_in_addr(socket_name, colon, &uwsgi.log_socket_addr->sa_in);
-	}
-	else {
-		uwsgi.log_socket_size = socket_to_un_addr(socket_name, &uwsgi.log_socket_addr->sa_un);	
-	}
-
-	uwsgi.log_socket_fd = socket(family, SOCK_DGRAM, 0);
-	if (uwsgi.log_socket_fd < 0) {
-		uwsgi_error("socket()");
-		uwsgi_nuclear_blast();
-	}
-
-}
-
 void create_logpipe(void) {
 
+#if defined(SOCK_SEQPACKET) && defined(__linux__)
+	if (socketpair(AF_UNIX, SOCK_SEQPACKET, 0, uwsgi.shared->worker_log_pipe)) {
+#else
 	if (socketpair(AF_UNIX, SOCK_DGRAM, 0, uwsgi.shared->worker_log_pipe)) {
+#endif
                 uwsgi_error("socketpair()\n");
                 exit(1);
         }
@@ -342,22 +343,6 @@ void create_logpipe(void) {
 
 }
 
-void log_syslog(char *syslog_opts) {
-
-	setlinebuf(stderr);
-
-	if (syslog_opts == NULL) {
-		syslog_opts = "uwsgi";
-	}
-
-#ifdef UWSGI_DEBUG
-	uwsgi_log("opening syslog\n");
-#endif
-
-	openlog(syslog_opts, 0, LOG_DAEMON);
-
-}
-
 char *uwsgi_get_cwd() {
 
 	// set this to static to avoid useless reallocations in stats mode
@@ -514,6 +499,20 @@ void uwsgi_as_root() {
 		}
 #endif
 
+#if defined(__linux__) && !defined(OBSOLETE_LINUX_KERNEL)
+		if (uwsgi.unshare && !uwsgi.reloads) {
+
+			if (unshare(uwsgi.unshare)) {
+				uwsgi_error("unshare()");
+				exit(1);
+			}
+			else {
+				uwsgi_log("[linux-namespace] applied unshare() mask: %d\n", uwsgi.unshare);
+			}
+		}
+#endif
+
+
 		if (uwsgi.chroot && !uwsgi.reloads) {
 			if (!uwsgi.master_as_root)
 				uwsgi_log("chroot() to %s\n", uwsgi.chroot);
@@ -528,6 +527,18 @@ void uwsgi_as_root() {
 #endif
 		}
 
+		// now run the scripts needed by root
+		struct uwsgi_string_list *usl = uwsgi.exec_as_root;
+		while(usl) {
+			uwsgi_log("running \"%s\" (as root)...\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;
+		}
+
 		if (uwsgi.gidname) {
 			struct group *ugroup = getgrnam(uwsgi.gidname);
 			if (ugroup) {
@@ -603,6 +614,18 @@ void uwsgi_as_root() {
                         cap_free(caps);
 		}
 #endif
+
+		// now run the scripts needed by the user
+		usl = uwsgi.exec_as_user;
+		while(usl) {
+			uwsgi_log("running \"%s\" (as uid: %d gid: %d) ...\n", usl->value, (int) getuid(), (int) getgid());
+			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;
+		}
 	}
 	else {
 		if (uwsgi.chroot && !uwsgi.is_a_reload) {
@@ -739,81 +762,76 @@ void uwsgi_close_request(struct wsgi_request *wsgi_req) {
 #ifdef __linux__
 #ifdef MADV_MERGEABLE
 
-unsigned long long *ksm_mappings_last = NULL;
-int ksm_mappings_last_lines = 0;
-unsigned long long *ksm_mappings_current = NULL;
-int ksm_mappings_current_lines = 0;
-
 void uwsgi_linux_ksm_map(void) {
 
-	char map_line_buf[1024];
-        unsigned long long start, end;
 	int dirty = 0;
-	int i;
-	int errors = 0;
-	unsigned long long *tmp_ptr;
+	size_t i;
+	unsigned long long start = 0, end = 0;
+	int errors = 0; int lines = 0;
 
-	ksm_mappings_current = NULL;
-	ksm_mappings_current_lines = 0;
+        int fd = open("/proc/self/maps", O_RDONLY);
+	if (fd < 0) {
+		uwsgi_error_open("[uwsgi-KSM] /proc/self/maps");
+		return ;
+	}
 
-        FILE *process_maps = fopen("/proc/self/maps", "r");
+	// allocate memory if not available;
+	if (uwsgi.ksm_mappings_current == NULL) {
+		if (!uwsgi.ksm_buffer_size) uwsgi.ksm_buffer_size = 32768;
+		uwsgi.ksm_mappings_current = uwsgi_malloc(uwsgi.ksm_buffer_size);
+		uwsgi.ksm_mappings_current_size = 0;
+	}
+	if (uwsgi.ksm_mappings_last == NULL) {
+		if (!uwsgi.ksm_buffer_size) uwsgi.ksm_buffer_size = 32768;
+		uwsgi.ksm_mappings_last = uwsgi_malloc(uwsgi.ksm_buffer_size);
+		uwsgi.ksm_mappings_last_size = 0;
+	}
 
-        if (process_maps) {
-        	while( fgets(map_line_buf, 1024, process_maps)) {
-                	if (fscanf(process_maps, "%llx-%llx %*s", &start, &end) == 2) {
-				ksm_mappings_current_lines+=2;
-				tmp_ptr = ksm_mappings_current;
-				ksm_mappings_current = realloc(ksm_mappings_current, sizeof(unsigned long long) * ksm_mappings_current_lines);
-				if (!ksm_mappings_current) {
-					uwsgi_error("[uwsgi-KSM] /proc/self/maps realloc()");
-					fclose(process_maps);
-					if (tmp_ptr) {
-						free(tmp_ptr);
-					}
-					return;
-				}
-				ksm_mappings_current[ksm_mappings_current_lines-2] = start;
-				ksm_mappings_current[ksm_mappings_current_lines-1] = end;
-                        }
-		}
-		fclose(process_maps);
+	uwsgi.ksm_mappings_current_size = read(fd, uwsgi.ksm_mappings_current, uwsgi.ksm_buffer_size);
+	close(fd);
+	if (uwsgi.ksm_mappings_current_size <= 0) {
+		uwsgi_log("[uwsgi-KSM] unable to read /proc/self/maps data\n");
+		return;
+	}
 
-		if (ksm_mappings_last == NULL || ksm_mappings_last_lines == 0 || ksm_mappings_last_lines != ksm_mappings_current_lines) {
+	// we now have areas
+	if (uwsgi.ksm_mappings_last_size == 0 || uwsgi.ksm_mappings_current_size == 0 || uwsgi.ksm_mappings_current_size != uwsgi.ksm_mappings_last_size) {
+		dirty = 1;
+	}
+	else {
+		if (memcmp(uwsgi.ksm_mappings_current, uwsgi.ksm_mappings_last, uwsgi.ksm_mappings_current_size) != 0) {
 			dirty = 1;
 		}
-		else {
-			for(i=0;i<ksm_mappings_current_lines;i+=2) {
-				if (ksm_mappings_current[i] != ksm_mappings_last[i]) {
-					dirty = 1;
-					break;
-				}
-				if (ksm_mappings_current[i+1] != ksm_mappings_last[i+1]) {
-					dirty = 1;
-					break;
+	}
+
+	// it is dirty, swap addresses and parse it
+	if (dirty) {
+		char *tmp = uwsgi.ksm_mappings_last;
+		uwsgi.ksm_mappings_last = uwsgi.ksm_mappings_current;
+		uwsgi.ksm_mappings_current = tmp;
+
+		size_t tmp_size = uwsgi.ksm_mappings_last_size;
+		uwsgi.ksm_mappings_last_size = uwsgi.ksm_mappings_current_size;
+		uwsgi.ksm_mappings_current_size = tmp_size;
+
+		// scan each line and call madvise on it
+		char *ptr = uwsgi.ksm_mappings_last;
+		for(i=0;i<uwsgi.ksm_mappings_last_size;i++) {
+			if (uwsgi.ksm_mappings_last[i] == '\n') {
+				lines++;
+				uwsgi.ksm_mappings_last[i] = 0;
+				if (sscanf(ptr, "%llx-%llx %*s", &start, &end) == 2) {
+					if (madvise((void *) (long) start, (size_t) (end-start), MADV_MERGEABLE)) {
+						errors ++;
+					}
 				}
+				uwsgi.ksm_mappings_last[i] = '\n';
+				ptr = uwsgi.ksm_mappings_last+i+1;
 			}
 		}
 
-		if (dirty) {
-
-			for(i=0;i<ksm_mappings_current_lines;i+=2) {
-                		if (madvise((void *) (long) ksm_mappings_current[i], (size_t) (ksm_mappings_current[i+1]-ksm_mappings_current[i]), MADV_MERGEABLE)) {
-					errors += 2;
-                		}
-			}
-
-			if (ksm_mappings_last)
-				free(ksm_mappings_last);
-			ksm_mappings_last = ksm_mappings_current;
-			ksm_mappings_last_lines = ksm_mappings_current_lines;
-
-			if (errors >= ksm_mappings_current_lines) {
-				uwsgi_error("[uwsgi-KSM] unable to share pages");
-			}
-		}
-		// if not dirty, free ksm_mappings_current
-		else {
-			free(ksm_mappings_current);
+		if (errors >= lines) {
+			uwsgi_error("[uwsgi-KSM] unable to share pages");
 		}
 	}
 }
@@ -1081,7 +1099,7 @@ void parse_sys_envs(char **envs) {
 	char *earg, *eq_pos;
 
 	while (*uenvs) {
-		if (!strncmp(*uenvs, "UWSGI_", 6) && strncmp(*uenvs, "UWSGI_RELOADS=", 14)) {
+		if (!strncmp(*uenvs, "UWSGI_", 6) && strncmp(*uenvs, "UWSGI_RELOADS=", 14) && strncmp(*uenvs, "UWSGI_ORIGINAL_PROC_NAME=", 25)) {
 			earg = uwsgi_malloc(strlen(*uenvs + 6) + 1);
 			env_to_arg(*uenvs + 6, earg);
 			eq_pos = strchr(earg, '=');
@@ -1653,11 +1671,18 @@ int uwsgi_read_whole_body(struct wsgi_request *wsgi_req, char *buf, size_t len)
 		else {
 			post_chunk = read(wsgi_req->poll.fd, buf, post_remains);
 		}
+
 		if (post_chunk < 0) {
 			uwsgi_error("read()");
 			goto end;
 		}
-		if (!fwrite(buf, post_chunk, 1, wsgi_req->async_post)) {
+
+		if (post_chunk == 0) {
+			uwsgi_log("client did not send the whole body: %s\n", strerror(errno));
+			goto end;
+		}
+
+		if (fwrite(buf, post_chunk, 1, wsgi_req->async_post) != 1) {
 			uwsgi_error("fwrite()");
 			goto end;
 		}
@@ -2145,6 +2170,7 @@ char *uwsgi_open_and_read(char *url, int *size, int add_zero, char *magic_table[
 
 		if (S_ISFIFO(sb.st_mode)) {
 			buffer = uwsgi_read_fd(fd, size, add_zero);
+			close(fd);
 			goto end;
 		}
 
@@ -2355,6 +2381,12 @@ int uwsgi_num2str2n(int num, char *ptr, int size) {
 	return snprintf(ptr, size, "%d", num);
 }
 
+int uwsgi_long2str2n(unsigned long long num, char *ptr, int size) {
+	int ret = snprintf(ptr, size, "%llu", num);
+	if (ret < 0) return 0;
+	return ret;
+}
+
 int is_unix(char *socket_name, int len) {
 	int i;
 	for (i = 0; i < len; i++) {
@@ -2804,7 +2836,7 @@ void uwsgi_sig_pause() {
 
 int uwsgi_run_command_and_wait(char *command, char *arg) {
 
-	char *argv[3];
+	char *argv[4];
 	int waitpid_status = 0;
 	pid_t pid = fork();
 	if (pid < 0) {
@@ -2820,11 +2852,26 @@ int uwsgi_run_command_and_wait(char *command, char *arg) {
 		return WEXITSTATUS(waitpid_status);
 	}
 
-	argv[0] = command;
-	argv[1] = arg;
-	argv[2] = NULL;
+#ifdef __linux__
+	if (prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0)) {
+        	uwsgi_error("prctl()");
+        }
+#endif
+
+	if (command == NULL) {
+		argv[0] = "/bin/sh";
+		argv[1] = "-c";
+		argv[2] = arg;
+		argv[3] = NULL;
+		execvp(argv[0], argv);
+	}
+	else {
+		argv[0] = command;
+		argv[1] = arg;
+		argv[2] = NULL;
+		execvp(command, argv);
+	}
 
-	execvp(command, argv);
 
 	uwsgi_error("execvp()");
 	//never here
@@ -3148,6 +3195,70 @@ void uwsgi_build_mime_dict(char *filename) {
 
 }
 
+#ifdef __linux__
+struct uwsgi_unshare_id {
+	char *name;
+	int value;	
+};
+
+static struct uwsgi_unshare_id uwsgi_unshare_list[] = {
+#ifdef CLONE_FILES
+	{"files", CLONE_FILES},
+#endif
+#ifdef CLONE_FS
+	{"fs", CLONE_FS},
+#endif
+#ifdef CLONE_NEWIPC
+	{"ipc", CLONE_NEWIPC},
+#endif
+#ifdef CLONE_NEWNET
+	{"net", CLONE_NEWNET},
+#endif
+#ifdef CLONE_NEWPID
+	{"pid", CLONE_NEWPID},
+#endif
+#ifdef CLONE_NEWNS
+	{"ns", CLONE_NEWNS},
+	{"mount", CLONE_NEWNS},
+#endif
+#ifdef CLONE_SYSVSEM
+	{"sysvsem", CLONE_SYSVSEM},
+#endif
+#ifdef CLONE_NEWUTS
+	{"uts", CLONE_NEWUTS},
+#endif
+	{ NULL, -1}
+};
+
+static int uwsgi_get_unshare_id(char *name) {
+
+        struct uwsgi_unshare_id *uui = uwsgi_unshare_list;
+        while(uui->name) {
+                if (!strcmp(uui->name, name)) return uui->value;
+                uui++;
+        }
+
+        return -1;
+}
+
+void uwsgi_build_unshare(char *what) {
+
+        char *list = uwsgi_str(what);
+
+        char *p = strtok(list, ",");
+        while (p != NULL) {
+        	int u_id = uwsgi_get_unshare_id(p);
+		if (u_id != -1) {
+			uwsgi.unshare |= u_id;
+		}
+                p = strtok(NULL, ",");
+        }
+        free(list);
+}
+
+
+#endif
+
 #ifdef UWSGI_CAP
 struct uwsgi_cap {
 	char *name;
@@ -3442,6 +3553,20 @@ void http_url_decode(char *buf, uint16_t *len, char *dst) {
 
 }
 
+char *uwsgi_get_var(struct wsgi_request *wsgi_req, char *key, uint16_t keylen, uint16_t *len) {
+
+	int i;
+
+	for (i = 0; i < wsgi_req->var_cnt; i += 2) {
+                if (!uwsgi_strncmp(key, keylen, wsgi_req->hvec[i].iov_base, wsgi_req->hvec[i].iov_len)) {
+			*len = wsgi_req->hvec[i + 1].iov_len;
+                        return wsgi_req->hvec[i + 1].iov_base;
+                }
+        }
+
+	return NULL;
+}
+
 void uwsgi_add_app(int id, uint8_t modifier1, char *mountpoint, int mountpoint_len) {
 
 	struct uwsgi_app *wi = &uwsgi_apps[id];

uwsgi.c

@@ -1,5 +1,5 @@
 /*
-_socket_nb(uwsgi.shared->worker_log_pipe[1]
+
  *** uWSGI ***
 
  Copyright (C) 2009-2011 Unbit S.a.s. <info@unbit.it>
@@ -147,6 +147,11 @@ static struct option long_base_options[] = {
 #ifdef UWSGI_CAP
 	{"cap", required_argument,0, LONG_ARGS_CAP},
 #endif
+#ifdef __linux__
+	{"unshare", required_argument,0, LONG_ARGS_UNSHARE},
+#endif
+	{"exec-as-root", required_argument,0, LONG_ARGS_EXEC_AS_ROOT},
+	{"exec-as-user", required_argument,0, LONG_ARGS_EXEC_AS_USER},
 #ifdef UWSGI_INI
 	{"ini", required_argument, 0, LONG_ARGS_INI},
 #endif
@@ -226,6 +231,8 @@ static struct option long_base_options[] = {
 	{"logfile-chmod", required_argument, 0, LONG_ARGS_LOGFILE_CHMOD},
 	{"log-syslog", optional_argument, 0, LONG_ARGS_LOG_SYSLOG},
 	{"log-socket", required_argument, 0, LONG_ARGS_LOG_SOCKET},
+	{"logger", required_argument, 0, LONG_ARGS_LOGGER},
+	{"threaded-logger", no_argument, &uwsgi.threaded_logger, 1},
 #ifdef UWSGI_ZEROMQ
 	{"log-zeromq", required_argument, 0, LONG_ARGS_LOG_ZEROMQ},
 #endif
@@ -251,6 +258,7 @@ static struct option long_base_options[] = {
 	{"lazy", no_argument, &uwsgi.lazy, 1},
 	{"cheap", no_argument, &uwsgi.cheap, 1},
 	{"cheaper", required_argument, 0, LONG_ARGS_CHEAPER},
+	{"cheaper-step", required_argument, 0, LONG_ARGS_CHEAPER_STEP},
 	{"idle", required_argument, 0, LONG_ARGS_IDLE},
 	{"die-on-idle", no_argument, &uwsgi.die_on_idle, 1},
 	{"mount", required_argument, 0, LONG_ARGS_MOUNT},
@@ -261,6 +269,8 @@ static struct option long_base_options[] = {
 	{"threads", required_argument, 0, LONG_ARGS_THREADS},
 	{"threads-stacksize", required_argument, 0, LONG_ARGS_THREADS_STACKSIZE},
 	{"thread-stacksize", required_argument, 0, LONG_ARGS_THREADS_STACKSIZE},
+	{"threads-stack-size", required_argument, 0, LONG_ARGS_THREADS_STACKSIZE},
+	{"thread-stack-size", required_argument, 0, LONG_ARGS_THREADS_STACKSIZE},
 	{"vhost", no_argument, &uwsgi.vhost, 1},
 	{"vhost-host", no_argument, 0, LONG_ARGS_VHOSTHOST},
 #ifdef UWSGI_ROUTING
@@ -268,10 +278,14 @@ static struct option long_base_options[] = {
 #endif
 	{"add-header", required_argument, 0, LONG_ARGS_ADD_HEADER},
 	{"check-static", required_argument, 0, LONG_ARGS_CHECK_STATIC},
+	{"static-check", required_argument, 0, LONG_ARGS_CHECK_STATIC},
+	{"static-skip-ext", required_argument, 0, LONG_ARGS_STATIC_SKIP_EXT},
 	{"static-map", required_argument, 0, LONG_ARGS_STATIC_MAP},
+	{"static-index", required_argument, 0, LONG_ARGS_STATIC_INDEX},
 	{"mimefile", required_argument, 0, LONG_ARGS_MIMEFILE},
 	{"mime-file", required_argument, 0, LONG_ARGS_MIMEFILE},
 	{"file-serve-mode", required_argument, 0, LONG_ARGS_FILE_SERVE_MODE},
+	{"fileserve-mode", required_argument, 0, LONG_ARGS_FILE_SERVE_MODE},
 	{"check-cache", no_argument, &uwsgi.check_cache, 1},
 	{"close-on-exec", no_argument, &uwsgi.close_on_exec, 1},
 	{"mode", required_argument, 0, LONG_ARGS_MODE},
@@ -303,6 +317,74 @@ static struct option long_base_options[] = {
 	{0, 0, 0, 0}
 };
 
+void show_config(void) {
+        int i;
+                       fprintf(stdout, "\n;uWSGI instance configuration\n[uwsgi]\n");
+                for (i = 0; i < uwsgi.exported_opts_cnt; i++) {
+                        if (uwsgi.exported_opts[i]->value) {
+                                fprintf(stdout, "%s = %s\n", uwsgi.exported_opts[i]->key, uwsgi.exported_opts[i]->value);
+                        }
+                        else {
+                                fprintf(stdout, "%s = true\n", uwsgi.exported_opts[i]->key);
+                        }
+                }
+                fprintf(stdout, ";end of configuration\n\n");
+
+}
+
+void uwsgi_apply_templates(void) {
+
+	struct uwsgi_config_template *uct = uwsgi.config_templates;
+
+        while (uct) {
+		if (uct->applied)  {
+			uct = uct->next;
+			continue;
+		}
+                uwsgi_log("using %s as config template\n", uct->filename);
+#ifdef UWSGI_XML
+                if (!strcmp(uct->filename + strlen(uct->filename) - 4, ".xml")) {
+                        uwsgi_xml_config(uct->filename, uwsgi.wsgi_req, 0, uwsgi.magic_table);
+                }
+#endif
+#ifdef UWSGI_INI
+                if (!strcmp(uct->filename + strlen(uct->filename) - 4, ".ini")) {
+                        uwsgi_ini_config(uct->filename, uwsgi.magic_table);
+                }
+#endif
+#ifdef UWSGI_YAML
+                if (!strcmp(uct->filename + strlen(uct->filename) - 4, ".yml")) {
+                        uwsgi_yaml_config(uct->filename, uwsgi.magic_table);
+                }
+                if (!strcmp(uct->filename + strlen(uct->filename) - 5, ".yaml")) {
+                        uwsgi_yaml_config(uct->filename, uwsgi.magic_table);
+                }
+#endif
+#ifdef UWSGI_JSON
+                if (!strcmp(uct->filename + strlen(uct->filename) - 3, ".js")) {
+                        uwsgi_json_config(uct->filename, uwsgi.magic_table);
+                }
+                if (!strcmp(uct->filename + strlen(uct->filename) - 5, ".json")) {
+                        uwsgi_json_config(uct->filename, uwsgi.magic_table);
+                }
+#endif
+#ifdef UWSGI_SQLITE3
+                if (!strcmp(uct->filename + strlen(uct->filename) - 3, ".db")) {
+                        uwsgi_sqlite3_config(uct->filename, uwsgi.magic_table);
+                }
+                if (!strcmp(uct->filename + strlen(uct->filename) - 7, ".sqlite")) {
+                        uwsgi_sqlite3_config(uct->filename, uwsgi.magic_table);
+                }
+                if (!strcmp(uct->filename + strlen(uct->filename) - 8, ".sqlite3")) {
+                        uwsgi_sqlite3_config(uct->filename, uwsgi.magic_table);
+                }
+#endif
+		uct->applied = 1;
+                uct = uct->next;
+        }
+
+}
+
 void uwsgi_configure(void) {
 
 	struct option *lopt;
@@ -312,18 +394,32 @@ void uwsgi_configure(void) {
 	int is_retry;
 	int found;
 
-	// option must be processed in reverse (to have a consistent template system)
-	// but first load plugins...
+	// plugins and inherit must be processed first (to have a consistent template system)
+
 	for (i = 0; i < uwsgi.exported_opts_cnt; i++) {
 		if (uwsgi.exported_opts[i]->configured)
                         continue;
 
 		if (!strcmp("plugin", uwsgi.exported_opts[i]->key) || !strcmp("plugins", uwsgi.exported_opts[i]->key)) {
 			manage_opt(LONG_ARGS_PLUGINS, uwsgi.exported_opts[i]->value);
+			uwsgi.exported_opts[i]->configured = 1;
+		}
+
+		else if (!strcmp("inherit", uwsgi.exported_opts[i]->key)) {
+			manage_opt(LONG_ARGS_INHERIT, uwsgi.exported_opts[i]->value);
+			uwsgi.exported_opts[i]->configured = 1;
+		}
+
+		else if (!strcmp("vassals-inherit", uwsgi.exported_opts[i]->key)) {
+			manage_opt(LONG_ARGS_VASSALS_INHERIT, uwsgi.exported_opts[i]->value);
+			uwsgi.exported_opts[i]->configured = 1;
 		}
 	}
 
-	for (i = uwsgi.exported_opts_cnt-1; i >= 0; i--) {
+	// apply templates (again)
+	uwsgi_apply_templates();
+
+	for (i = 0; i < uwsgi.exported_opts_cnt; i++) {
 
 #ifdef UWSGI_DEBUG
 		uwsgi_log("i = %d %p\n", i, uwsgi.exported_opts[i]);
@@ -348,7 +444,7 @@ void uwsgi_configure(void) {
 					*aopt->flag = aopt->val;
 				else if (val) {
 					if (aopt->has_arg == optional_argument) {
-						if (!strcasecmp("true", val)) {
+						if (!strcasecmp("true", val) || !strcmp("1", val)) {
 							val = NULL;
 						}
 					}
@@ -765,6 +861,7 @@ void stats(int signum) {
 	int i, j;
 
 	if (uwsgi.mywid == 0) {
+		show_config();
 		uwsgi_log("\tworkers total requests: %llu\n", uwsgi.workers[0].requests);
 		uwsgi_log("-----------------\n");
 		for(j=1;j<=uwsgi.numproc;j++) {
@@ -992,6 +1089,9 @@ void fixup_argv_and_environ(int argc, char **argv, char **environ) {
 #endif
 }
 
+
+
+
 #ifdef UWSGI_AS_SHARED_LIBRARY
 int uwsgi_init(int argc, char *argv[], char *envp[]) {
 
@@ -1184,6 +1284,16 @@ int main(int argc, char *argv[], char *envp[]) {
 	// ok we can now safely play with argv and environ
 	fixup_argv_and_environ(argc, argv, environ);
 
+	if (gethostname(uwsgi.hostname, 255)) {
+		uwsgi_error("gethostname()");
+	}
+	uwsgi.hostname_len = strlen(uwsgi.hostname);
+
+#ifdef UWSGI_ZEROMQ
+	uwsgi_register_logger("zeromq", uwsgi_zeromq_logger);
+	uwsgi_register_logger("zmq", uwsgi_zeromq_logger);
+#endif
+
 	//initialize embedded plugins
 	UWSGI_LOAD_EMBEDDED_PLUGINS
 		// now a bit of magic, if the executable basename contains a 'uwsgi_' string,
@@ -1191,14 +1301,22 @@ int main(int argc, char *argv[], char *envp[]) {
 #ifdef UWSGI_DEBUG
 	uwsgi_log("executable name: %s\n", uwsgi.binary_path);
 #endif
-	char *p = strrchr(uwsgi.binary_path, '/');
-	if (p == NULL) p = uwsgi.binary_path;
+
+	char *original_proc_name = getenv("UWSGI_ORIGINAL_PROC_NAME");
+	if (!original_proc_name) {
+		// here we use argv[0];
+		original_proc_name = argv[0];
+		setenv("UWSGI_ORIGINAL_PROC_NAME", original_proc_name, 1);
+	}
+	char *p = strrchr(original_proc_name, '/');
+	if (p == NULL) p = original_proc_name; 
 	p = strstr(p, "uwsgi_");
 	if (p != NULL) {
-		plugins_requested = strchr(p, '_');
-		if (plugins_requested != NULL && *(++plugins_requested) != '\0') {
-			uwsgi_log("plugin = %s\n", plugins_requested);
-			uwsgi_load_plugin(0, plugins_requested, NULL, 0);
+		plugins_requested = strtok(uwsgi_str(p+6), "_");
+		while(plugins_requested) {
+			uwsgi_log("[uwsgi] implicit plugin requested %s\n", plugins_requested);
+			uwsgi_load_plugin(-1, plugins_requested, NULL, 0);
+			plugins_requested = strtok(NULL, "_");
 		}
 	}
 
@@ -1214,11 +1332,6 @@ int main(int argc, char *argv[], char *envp[]) {
 
 	build_options();
 
-	if (gethostname(uwsgi.hostname, 255)) {
-		uwsgi_error("gethostname()");
-	}
-	uwsgi.hostname_len = strlen(uwsgi.hostname);
-
 	uwsgi.magic_table['v'] = uwsgi.cwd;
 	uwsgi.magic_table['h'] = uwsgi.hostname;
 
@@ -1299,18 +1412,19 @@ int main(int argc, char *argv[], char *envp[]) {
 				}
 				else {
 					int magic = 0;
-					for (i = 0; i < uwsgi.gp_cnt; i++) {
-						if (uwsgi.gp[i]->magic) {
-							if (uwsgi.gp[i]->magic(NULL, lazy)) {
+					int j;
+					for (j = 0; j< uwsgi.gp_cnt; j++) {
+						if (uwsgi.gp[j]->magic) {
+							if (uwsgi.gp[j]->magic(NULL, lazy)) {
 								magic = 1;
 								break;
 							}
 						}
 					}
 					if (!magic) {
-						for (i = 0; i < 0xFF; i++) {
-							if (uwsgi.p[i]->magic) {
-								if (uwsgi.p[i]->magic(NULL, lazy)) {
+						for (j = 0; j < 0xFF; j++) {
+							if (uwsgi.p[j]->magic) {
+								if (uwsgi.p[j]->magic(NULL, lazy)) {
 									magic = 1;
 									break;
 								}
@@ -1368,48 +1482,8 @@ int main(int argc, char *argv[], char *envp[]) {
 	//parse environ
 	parse_sys_envs(environ);
 
-	struct uwsgi_config_template *uct = uwsgi.config_templates;
-	while (uct) {
-		uwsgi_log("using %s as config template\n", uct->filename);
-#ifdef UWSGI_XML
-		if (!strcmp(uct->filename + strlen(uct->filename) - 4, ".xml")) {
-			uwsgi_xml_config(uct->filename, uwsgi.wsgi_req, 0, uwsgi.magic_table);
-		}
-#endif
-#ifdef UWSGI_INI
-		if (!strcmp(uct->filename + strlen(uct->filename) - 4, ".ini")) {
-			uwsgi_ini_config(uct->filename, uwsgi.magic_table);
-		}
-#endif
-#ifdef UWSGI_YAML
-		if (!strcmp(uct->filename + strlen(uct->filename) - 4, ".yml")) {
-			uwsgi_yaml_config(uct->filename, uwsgi.magic_table);
-		}
-		if (!strcmp(uct->filename + strlen(uct->filename) - 5, ".yaml")) {
-			uwsgi_yaml_config(uct->filename, uwsgi.magic_table);
-		}
-#endif
-#ifdef UWSGI_JSON
-		if (!strcmp(uct->filename + strlen(uct->filename) - 3, ".js")) {
-			uwsgi_json_config(uct->filename, uwsgi.magic_table);
-		}
-		if (!strcmp(uct->filename + strlen(uct->filename) - 5, ".json")) {
-			uwsgi_json_config(uct->filename, uwsgi.magic_table);
-		}
-#endif
-#ifdef UWSGI_SQLITE3
-		if (!strcmp(uct->filename + strlen(uct->filename) - 3, ".db")) {
-			uwsgi_sqlite3_config(uct->filename, uwsgi.magic_table);
-		}
-		if (!strcmp(uct->filename + strlen(uct->filename) - 7, ".sqlite")) {
-			uwsgi_sqlite3_config(uct->filename, uwsgi.magic_table);
-		}
-		if (!strcmp(uct->filename + strlen(uct->filename) - 8, ".sqlite3")) {
-			uwsgi_sqlite3_config(uct->filename, uwsgi.magic_table);
-		}
-#endif
-		uct = uct->next;
-	}
+	// apply templates passed from command line
+	uwsgi_apply_templates();
 
 	// second pass: ENVs
 	uwsgi_apply_config_pass('$', (char *(*)(char *))getenv);
@@ -1420,18 +1494,34 @@ int main(int argc, char *argv[], char *envp[]) {
 	// last pass: REFERENCEs
 	uwsgi_apply_config_pass('%', uwsgi_get_exported_opt);
 
-
-
-
-
 	// ok, the options dictionary is available, lets manage it
-
-
 	uwsgi_configure();
 
+	// setup master logging
 	if (uwsgi.log_master) {
+
+		if (uwsgi.requested_logger) {
+			char *colon = strchr(uwsgi.requested_logger, ':');
+			if (colon) {
+				*colon = 0;
+			}
+
+			uwsgi.choosen_logger = uwsgi_get_logger(uwsgi.requested_logger);
+			if (!uwsgi.choosen_logger) {
+				uwsgi_log("unable to find logger %s\n", uwsgi.requested_logger);
+				exit(1);
+			}
+
+			if (colon) {
+				uwsgi.choosen_logger_arg = colon+1;
+				*colon = ':';
+			}
+
+		}
+
         	uwsgi.original_log_fd = dup(1);
                 create_logpipe();
+
         }
 
 	/* uWSGI IS CONFIGURED !!! */
@@ -1446,16 +1536,7 @@ int main(int argc, char *argv[], char *envp[]) {
 	}
 
 	if (uwsgi.show_config) {
-		fprintf(stdout, "\n;uWSGI instance configuration\n[uwsgi]\n");
-		for (i = 0; i < uwsgi.exported_opts_cnt; i++) {
-			if (uwsgi.exported_opts[i]->value) {
-				fprintf(stdout, "%s = %s\n", uwsgi.exported_opts[i]->key, uwsgi.exported_opts[i]->value);
-			}
-			else {
-				fprintf(stdout, "%s = true\n", uwsgi.exported_opts[i]->key);
-			}
-		}
-		fprintf(stdout, ";end of configuration\n\n");
+		show_config();
 	}
 
 
@@ -1737,6 +1818,7 @@ int uwsgi_start(void *v_argv) {
 
 
 	uwsgi_register_loop("simple", simple_loop);
+#ifdef UWSGI_ASYNC
 	uwsgi_register_loop("async", async_loop);
 
 
@@ -1764,6 +1846,7 @@ int uwsgi_start(void *v_argv) {
 			}
 		}
 	}
+#endif
 
 	if (!getrlimit(RLIMIT_NOFILE, &uwsgi.rl)) {
 		uwsgi.max_fd = uwsgi.rl.rlim_cur;
@@ -2218,6 +2301,9 @@ skipzero:
 					uwsgi_log("!!! unable to set requested threads stacksize !!!\n");
 				}
 			}
+
+			pthread_mutex_init(&uwsgi.lock_static, NULL);
+
 			for (i = 0; i < 0xFF; i++) {
 				if (uwsgi.p[i]->enable_threads)
 					uwsgi.p[i]->enable_threads();
@@ -2392,37 +2478,34 @@ skipzero:
 	   uwsgi.shared->hooks[UWSGI_MODIFIER_PING] = uwsgi_request_ping;       //100
 	 */
 
-	uwsgi_log("*** Operational MODE: ");
 	if (!uwsgi.numproc) {
-		uwsgi_rawlog("no-workers");
+		uwsgi_log("*** Operational MODE: no-workers ***\n");
 	}
 	else if (uwsgi.threads > 1) {
 		if (uwsgi.numproc > 1) {
-			uwsgi_rawlog("preforking+threaded");
+			uwsgi_log("*** Operational MODE: preforking+threaded ***\n");
 		}
 		else {
-			uwsgi_rawlog("threaded");
+			uwsgi_log("*** Operational MODE: threaded ***\n");
 		}
 	}
 #ifdef UWSGI_ASYNC
 	else if (uwsgi.async > 1) {
 		if (uwsgi.numproc > 1) {
-			uwsgi_rawlog("preforking+async");
+			uwsgi_log("*** Operational MODE: preforking+async ***\n");
 		}
 		else {
-			uwsgi_rawlog("async");
+			uwsgi_log("*** Operational MODE: async ***\n");
 		}
 	}
 #endif
 	else if (uwsgi.numproc > 1) {
-		uwsgi_rawlog("preforking");
+		uwsgi_log("*** Operational MODE: preforking ***\n");
 	}
 	else {
-		uwsgi_rawlog("single process");
+		uwsgi_log("*** Operational MODE: single process ***\n");
 	}
 
-	uwsgi_rawlog(" ***\n");
-
 	// even the master has cores..
 	uwsgi.core = uwsgi_malloc(sizeof(struct uwsgi_core *) * uwsgi.cores);
 	for (j = 0; j < uwsgi.cores; j++) {
@@ -2430,6 +2513,19 @@ skipzero:
 		memset(uwsgi.core[j], 0, sizeof(struct uwsgi_core));
 	}
 
+	// preinit apps (create the language environment)
+	for (i = 0; i < 0xFF; i++) {
+		if (uwsgi.p[i]->preinit_apps) {
+			uwsgi.p[i]->preinit_apps();
+		}
+	}
+
+	for (i = 0; i < uwsgi.gp_cnt; i++) {
+		if (uwsgi.gp[i]->preinit_apps) {
+			uwsgi.gp[i]->preinit_apps();
+		}
+	}
+
 	//init apps hook (if not lazy)
 	if (!uwsgi.lazy) {
 		uwsgi_init_all_apps();
@@ -2842,16 +2938,14 @@ skipzero:
 	// eventually remap plugins
 	if (uwsgi.remap_modifier) {
 		char *map = strtok(uwsgi.remap_modifier, ",");
-		struct uwsgi_plugin *up_tmp;
 		while (map != NULL) {
 			char *colon = strchr(map, ':');
 			if (colon) {
 				colon[0] = 0;
 				int rm_src = atoi(map);
 				int rm_dst = atoi(colon + 1);
-				up_tmp = uwsgi.p[rm_dst];
 				uwsgi.p[rm_dst]->request = uwsgi.p[rm_src]->request;
-				uwsgi.p[rm_src]->after_request = up_tmp->after_request;
+				uwsgi.p[rm_dst]->after_request = uwsgi.p[rm_src]->after_request;
 			}
 			map = strtok(NULL, ",");
 		}
@@ -2948,9 +3042,11 @@ void uwsgi_ignition() {
 			long y = 0;
 			simple_loop((void *) y);
 		}
+#ifdef UWSGI_ASYNC
 		else {
 			async_loop(NULL);
 		}
+#endif
 
 	}
 
@@ -3048,6 +3144,9 @@ static int manage_base_opt(int i, char *optarg) {
 		uwsgi.cheaper = 1;
 		uwsgi.cheaper_count = atoi(optarg);
 		return 1;
+	case LONG_ARGS_CHEAPER_STEP:
+		uwsgi.cheaper_step = atoi(optarg);
+		return 1;
 	case LONG_ARGS_CHDIR:
 		uwsgi.chdir = optarg;
 		return 1;
@@ -3136,22 +3235,30 @@ static int manage_base_opt(int i, char *optarg) {
 		uwsgi.log_master = 1;
 		return 1;
 	case LONG_ARGS_LOG_SOCKET:
-		uwsgi.log_socket = 1;
 		uwsgi.log_master = 1;
 		uwsgi.master_process = 1;
-		log_socket(optarg);
+		uwsgi.requested_logger = uwsgi_concat2("socket:", optarg);
+		return 1;
+	case LONG_ARGS_LOGGER:
+		uwsgi.log_master = 1;
+		uwsgi.master_process = 1;
+		uwsgi.requested_logger = uwsgi_str(optarg);
 		return 1;
 	case LONG_ARGS_LOG_SYSLOG:
-		log_syslog(optarg);
-		uwsgi.log_syslog = 1;
 		uwsgi.log_master = 1;
 		uwsgi.master_process = 1;
+		if (optarg) {
+			uwsgi.requested_logger = uwsgi_concat2("syslog:", optarg);
+		}
+		else {
+			uwsgi.requested_logger = "syslog";
+		}
 		return 1;
 #ifdef UWSGI_ZEROMQ
 	case LONG_ARGS_LOG_ZEROMQ:
-		log_zeromq(optarg);
 		uwsgi.log_master = 1;
 		uwsgi.master_process = 1;
+		uwsgi.requested_logger = uwsgi_concat2("zeromq:", optarg);
 		return 1;
 #endif
 	case LONG_ARGS_PRINT:
@@ -3219,6 +3326,11 @@ static int manage_base_opt(int i, char *optarg) {
 	case LONG_ARGS_CAP:
 		uwsgi_build_cap(optarg);
 		return 1;
+#endif
+#ifdef __linux__
+	case LONG_ARGS_UNSHARE:
+		uwsgi_build_unshare(optarg);
+		return 1;
 #endif
 	case LONG_ARGS_BINARY_PATH:
 		uwsgi.binary_path = optarg;
@@ -3281,6 +3393,7 @@ static int manage_base_opt(int i, char *optarg) {
 
 		uct->filename = optarg;
 		uct->next = NULL;
+		uct->applied = 0;
 
 		return 1;
 	case LONG_ARGS_VASSAL_SOS_BACKLOG:
@@ -3339,6 +3452,12 @@ static int manage_base_opt(int i, char *optarg) {
 		}	
 		uc->command = optarg+i;
 		return 1;
+	case LONG_ARGS_STATIC_SKIP_EXT:
+		uwsgi_string_new_list(&uwsgi.static_skip_ext, optarg);
+		return 1;
+	case LONG_ARGS_STATIC_INDEX:
+		uwsgi_string_new_list(&uwsgi.static_index, optarg);
+		return 1;
 	case LONG_ARGS_STATIC_MAP:
 		mountpoint = uwsgi_str(optarg);
 		docroot = strchr(mountpoint, '=');
@@ -3428,6 +3547,12 @@ static int manage_base_opt(int i, char *optarg) {
 		uwsgi_string_new_list(&uwsgi.touch_reload, optarg);
 		uwsgi.master_process = 1;
 		return 1;
+	case LONG_ARGS_EXEC_AS_ROOT:
+		uwsgi_string_new_list(&uwsgi.exec_as_root, optarg);
+		return 1;
+	case LONG_ARGS_EXEC_AS_USER:
+		uwsgi_string_new_list(&uwsgi.exec_as_user, optarg);
+		return 1;
 	case LONG_ARGS_PRIO:
 		uwsgi.prio = (int) strtol(optarg, NULL, 10);
 		return 1;
@@ -3597,12 +3722,18 @@ static int manage_base_opt(int i, char *optarg) {
 #endif
 
 	case 'd':
-		if (!uwsgi.is_a_reload) {
-			daemonize(optarg);
-		}
-		else if (uwsgi.log_reopen) {
+		// do not daemonize in emperor mode
+		if (uwsgi.has_emperor) {
 			logto(optarg);
 		}
+		else {
+			if (!uwsgi.is_a_reload) {
+				daemonize(optarg);
+			}
+			else if (uwsgi.log_reopen) {
+				logto(optarg);
+			}
+		}
 		return 1;
 	case 's':
 		uwsgi_sock = uwsgi_new_socket(generate_socket_name(optarg));

uwsgi.h

@@ -11,6 +11,8 @@ extern "C" {
 #define UMAX64_STR "18446744073709551616"
 
 #define uwsgi_error(x)  uwsgi_log("%s: %s [%s line %d]\n", x, strerror(errno), __FILE__, __LINE__);
+#define uwsgi_log_safe(x)  if (uwsgi.original_log_fd != 2) dup2(uwsgi.original_log_fd, 2) ; uwsgi_log(x);
+#define uwsgi_error_safe(x)  if (uwsgi.original_log_fd != 2) dup2(uwsgi.original_log_fd, 2) ; uwsgi_log("%s: %s [%s line %d]\n", x, strerror(errno), __FILE__, __LINE__);
 #define uwsgi_log_initial if (!uwsgi.no_initial_output) uwsgi_log
 #define uwsgi_fatal_error(x) uwsgi_error(x); exit(1);
 #define uwsgi_error_open(x)  uwsgi_log("open(\"%s\"): %s [%s line %d]\n", x, strerror(errno), __FILE__, __LINE__);
@@ -65,6 +67,8 @@ extern char UWSGI_EMBED_CONFIG_END;
 #define ULEP(pname)\
 	if (pname##_plugin.request) {\
 		uwsgi.p[pname##_plugin.modifier1] = &pname##_plugin;\
+		if (uwsgi.p[pname##_plugin.modifier1]->on_load)\
+			uwsgi.p[pname##_plugin.modifier1]->on_load();\
 	}\
 	else {\
 		if (uwsgi.gp_cnt >= MAX_GENERIC_PLUGINS) {\
@@ -72,6 +76,8 @@ extern char UWSGI_EMBED_CONFIG_END;
 			exit(1);\
 		}\
 		uwsgi.gp[uwsgi.gp_cnt] = &pname##_plugin;\
+		if (uwsgi.gp[uwsgi.gp_cnt]->on_load)\
+			uwsgi.gp[uwsgi.gp_cnt]->on_load();\
 		uwsgi.gp_cnt++;\
 	}\
 
@@ -126,8 +132,6 @@ extern char UWSGI_EMBED_CONFIG_END;
 #include <sys/time.h>
 #include <unistd.h>
 
-#include <syslog.h>
-
 #ifdef UWSGI_HAS_IFADDRS
 #include <ifaddrs.h>
 #endif
@@ -271,6 +275,7 @@ struct uwsgi_help_item {
 
 struct uwsgi_config_template {
 	char *filename;
+	int applied;
 	struct uwsgi_config_template *next;
 };
 
@@ -340,6 +345,19 @@ struct uwsgi_daemon {
 	struct uwsgi_daemon *next;
 };
 
+struct uwsgi_logger {
+	char *name;
+	ssize_t (*func)(struct uwsgi_logger *, char *, size_t);
+	int configured;
+	int fd;
+	void *data;
+	union uwsgi_sockaddr addr;
+	socklen_t addr_len;
+	int count;
+	struct msghdr msg;
+	struct uwsgi_logger *next;
+};
+
 struct uwsgi_queue_header {
 	uint64_t pos;
 	uint64_t pull_pos;
@@ -535,6 +553,13 @@ struct uwsgi_opt {
 #define LONG_ARGS_LOGFILE_CHMOD		17165
 #define LONG_ARGS_SUBSCRIBE_FREQ	17166
 #define LONG_ARGS_SUBSCR_TOLERANCE	17167
+#define LONG_ARGS_UNSHARE		17168
+#define LONG_ARGS_EXEC_AS_ROOT		17169
+#define LONG_ARGS_EXEC_AS_USER		17170
+#define LONG_ARGS_STATIC_SKIP_EXT	17171
+#define LONG_ARGS_LOGGER		17172
+#define LONG_ARGS_STATIC_INDEX		17173
+#define LONG_ARGS_CHEAPER_STEP		17174
 
 
 #define UWSGI_OK	0
@@ -645,6 +670,7 @@ struct uwsgi_plugin {
 	const char *alias;
 	uint8_t modifier1;
 	void *data;
+	void (*on_load) (void);
 	int (*init) (void);
 	void (*post_init) (void);
 	void (*post_fork) (void);
@@ -656,6 +682,7 @@ struct uwsgi_plugin {
 	int (*request) (struct wsgi_request *);
 	void (*after_request) (struct wsgi_request *);
 	void (*init_apps) (void);
+	void (*preinit_apps) (void);
 	void (*fixup) (void);
 	void (*master_fixup) (int);
 	void (*master_cycle) (void);
@@ -677,7 +704,7 @@ struct uwsgi_plugin {
 
 	int (*spooler) (char *, char *, uint16_t, char *, size_t);
 
-	uint16_t(*rpc) (void *, uint8_t, char **, char *);
+	uint16_t(*rpc) (void *, uint8_t, char **, uint16_t *, char *);
 
 	void (*jail) (int (*)(void *), char **);
 
@@ -1059,6 +1086,7 @@ struct uwsgi_server {
 	int cheap;
 	// enable cheaper mode
 	int cheaper;
+	int cheaper_step;
 	// minimal number of running workers in cheaper mode
 	int cheaper_count;
 	// enable idle mode
@@ -1142,6 +1170,10 @@ struct uwsgi_server {
 	int cap_count;
 #endif
 
+#ifdef __linux__
+	int unshare;
+#endif
+
 	// still working on it
 	char *profiler;
 
@@ -1175,15 +1207,8 @@ struct uwsgi_server {
 	off_t log_maxsize;
 	char *log_backupname;
 
-	int log_syslog;
 	int original_log_fd;
 
-	int log_socket;
-	int log_socket_fd;
-	union uwsgi_sockaddr *log_socket_addr;
-	socklen_t log_socket_size;
-
-
 	// static file serving
 	int file_serve_mode;
 	int build_mime_dict;
@@ -1191,12 +1216,23 @@ struct uwsgi_server {
 
 	struct uwsgi_probe *probes;
 
+	struct uwsgi_string_list *exec_as_root;
+	struct uwsgi_string_list *exec_as_user;
+
+	struct uwsgi_logger *loggers;
+	struct uwsgi_logger *choosen_logger;
+	char *requested_logger;
+	char *choosen_logger_arg;
+	int threaded_logger;
+
 	struct uwsgi_daemon *daemons;
 	int daemons_cnt;
 
 	struct uwsgi_dyn_dict *static_maps;
 	struct uwsgi_dyn_dict *check_static;
 	struct uwsgi_dyn_dict *mimetypes;
+	struct uwsgi_string_list *static_skip_ext;
+	struct uwsgi_string_list *static_index;
 
 	char *logfile;
 	int logfile_chown;
@@ -1323,6 +1359,7 @@ struct uwsgi_server {
 #ifdef UWSGI_THREADING
 	// avoid thundering herd in threaded modes
 	pthread_mutex_t six_feet_under_lock;
+	pthread_mutex_t lock_static;
 #endif
 
 
@@ -1442,7 +1479,6 @@ struct uwsgi_server {
 	int zeromq_recv_flag;
 	pthread_mutex_t zmq_lock;
 	pthread_key_t zmq_pull;
-	void *zmq_log_socket;
 #endif
 	struct uwsgi_socket *sockets;
 	struct uwsgi_socket *shared_sockets;
@@ -1554,6 +1590,11 @@ struct uwsgi_server {
 #ifdef __linux__
 #ifdef MADV_MERGEABLE
 	int linux_ksm;
+	int ksm_buffer_size;
+	char *ksm_mappings_last;
+	char *ksm_mappings_current;
+	size_t ksm_mappings_last_size;
+	size_t ksm_mappings_current_size;
 #endif
 #endif
 
@@ -1573,6 +1614,7 @@ struct uwsgi_lb_group {
 
 
 struct uwsgi_signal_entry {
+	int wid;
 	uint8_t modifier1;
 	char receiver[64];
 	void *handler;
@@ -1701,7 +1743,7 @@ struct uwsgi_shared {
 #ifdef __linux__
 	struct tcp_info ti;
 #endif
-
+	uint64_t load;
 	struct uwsgi_cron cron[MAX_CRONS];
 	int cron_cnt;
 };
@@ -2096,13 +2138,13 @@ void uwsgi_route_signal(uint8_t);
 int uwsgi_start(void *);
 
 int uwsgi_register_rpc(char *, uint8_t, uint8_t, void *);
-uint16_t uwsgi_rpc(char *, uint8_t, char **, char *);
+uint16_t uwsgi_rpc(char *, uint8_t, char **, uint16_t *, char *);
+char *uwsgi_do_rpc(char *, char *, uint8_t, char **, uint16_t *, uint16_t *);
 
 char *uwsgi_cheap_string(char *, int);
 
-int uwsgi_parse_array(char *, uint16_t, char **, uint8_t *);
+int uwsgi_parse_array(char *, uint16_t, char **, uint16_t *, uint8_t *);
 
-void log_syslog(char *);
 
 struct uwsgi_gateway *register_gateway(char *, void (*)(void));
 struct uwsgi_gateway *register_fat_gateway(char *, void (*)(void));
@@ -2210,6 +2252,9 @@ struct uwsgi_subscribe_req {
 
 	uint8_t modifier1;
 	uint8_t modifier2;
+
+	uint64_t cores;
+	uint64_t load;
 };
 
 #ifndef _NO_UWSGI_RB
@@ -2316,7 +2361,7 @@ uint16_t proto_base_add_uwsgi_header(struct wsgi_request *, char *, uint16_t, ch
 uint16_t proto_base_add_uwsgi_var(struct wsgi_request *, char *, uint16_t, char *, uint16_t);
 
 #ifdef UWSGI_ZEROMQ
-void log_zeromq(char *);
+ssize_t uwsgi_zeromq_logger(struct uwsgi_logger *, char *, size_t len);
 int uwsgi_proto_zeromq_accept(struct wsgi_request *, int);
 void uwsgi_proto_zeromq_close(struct wsgi_request *);
 ssize_t uwsgi_proto_zeromq_writev_header(struct wsgi_request *, struct iovec *, size_t);
@@ -2362,9 +2407,7 @@ void uwsgi_ignition(void);
 void master_check_cluster_nodes(void);
 int uwsgi_respawn_worker(int);
 
-void log_socket(char *);
-
-socklen_t socket_to_in_addr(char *, char *, struct sockaddr_in *);
+socklen_t socket_to_in_addr(char *, char *, int, struct sockaddr_in *);
 socklen_t socket_to_un_addr(char *, struct sockaddr_un *);
 
 int uwsgi_get_shared_socket_fd_by_num(int);
@@ -2395,8 +2438,6 @@ int uwsgi_signal_registered(uint8_t);
 
 int uwsgi_endswith(char *, char *);
 
-char *uwsgi_get_var(struct wsgi_request *, char *, uint16_t *);
-
 int uwsgi_cache_server(char *, int);
 
 void uwsgi_chown(char *, char *);
@@ -2453,6 +2494,9 @@ struct uwsgi_subscribe_node {
 
 	int death_mark;
 	uint64_t reference;
+	uint64_t cores;
+	uint64_t load;
+	uint64_t failcnt;
 
 	struct uwsgi_subscribe_slot *slot;
 
@@ -2503,7 +2547,7 @@ void manage_cluster_announce(char *, uint16_t, char *, uint16_t, void *);
 int uwsgi_read_response(int, struct uwsgi_header *, int, char **);
 char *uwsgi_simple_file_read(char *);
 
-void uwsgi_send_subscription(char *, char *, size_t , char *, size_t, uint8_t);
+void uwsgi_send_subscription(char *, char *, size_t , uint8_t, uint8_t , uint8_t);
 
 void uwsgi_subscribe(char *, uint8_t);
 
@@ -2513,8 +2557,10 @@ struct uwsgi_probe *uwsgi_probe_register(struct uwsgi_probe **, char *, int (*)(
 int uwsgi_add_probe(uint8_t sig, char *, char *, int, int);
 
 int uwsgi_is_bad_connection(int);
+int uwsgi_long2str2n(unsigned long long, char *, int);
 
 #ifdef __linux__
+void uwsgi_build_unshare(char *);
 #ifdef MADV_MERGEABLE
 void uwsgi_linux_ksm_map(void);
 #endif
@@ -2524,6 +2570,12 @@ void uwsgi_linux_ksm_map(void);
 void uwsgi_build_cap(char *);
 #endif
 
+void uwsgi_register_logger(char *, ssize_t (*func)(struct uwsgi_logger *, char *, size_t));
+struct uwsgi_logger *uwsgi_get_logger(char *);
+
+char *uwsgi_getsockname(int);
+char *uwsgi_get_var(struct wsgi_request *, char *, uint16_t, uint16_t *);
+
 #ifdef UWSGI_AS_SHARED_LIBRARY
 int uwsgi_init(int, char **, char **);
 #endif

uwsgiconfig.py

@@ -1,6 +1,6 @@
 # uWSGI build system
 
-uwsgi_version = '1.0-dev'
+uwsgi_version = '1.0'
 
 import os
 import re
@@ -105,7 +105,7 @@ def compile(cflags, objfile, srcfile):
         sys.exit(1)
 
 
-def build_uwsgi(uc):
+def build_uwsgi(uc, print_only=False):
 
     gcc_list, cflags, ldflags, libs = uc.get_gcll()
 
@@ -126,6 +126,10 @@ def build_uwsgi(uc):
         cflags.append(epc)
         cflags.append(eplc)
 
+    if print_only:
+        print(' '.join(cflags))
+        sys.exit(0)
+
     print("configured CFLAGS: %s" % ' '.join(cflags))
 
     print("*** uWSGI compiling server core ***")
@@ -220,9 +224,10 @@ def build_uwsgi(uc):
 
 class uConf(object):
 
-    def __init__(self, filename):
+    def __init__(self, filename, mute=False):
         self.config = ConfigParser.ConfigParser()
-        print("using profile: %s" % filename)
+        if not mute:
+            print("using profile: %s" % filename)
         if not os.path.exists(filename):
             raise Exception("profile not found !!!")
 
@@ -254,7 +259,7 @@ class uConf(object):
             self.gcc_list.append('lib/netlink')
             try:
                 lk_ver = uwsgi_os_k.split('.')
-                if int(lk_ver[0]) <= 2 and int(lk_ver[1]) <= 6 and int(lk_ver[2]):
+                if int(lk_ver[0]) <= 2 and int(lk_ver[1]) <= 6 and int(lk_ver[2]) <= 9:
                     self.cflags.append('-DOBSOLETE_LINUX_KERNEL')                    
             except:
                 pass
@@ -281,8 +286,8 @@ class uConf(object):
         except:
             self.include_path = ['/usr/include', '/usr/local/include']
             
-            
-        print("detected include path: %s" % self.include_path)
+        if not mute:
+            print("detected include path: %s" % self.include_path)
 
         try:
             gcc_major = int(gcc_version.split('.')[0])
@@ -809,6 +814,11 @@ def build_plugin(path, uc, cflags, ldflags, libs, name = None):
     except:
         pass
 
+    try:
+        p_cflags.remove('-Winline')
+    except:
+        pass
+
     #for ofile in up.OBJ_LIST:
     #    gcc_list.insert(0,ofile)
 
@@ -829,13 +839,7 @@ if __name__ == "__main__":
         print("please specify an argument")
         sys.exit(1)
 
-    if cmd == '--cflags':
-        print(' '.join(cflags))
-    if cmd == '--ldflags':
-        print(' '.join(ldflags))
-    if cmd == '--libs':
-        print(' '.join(libs))
-    elif cmd == '--build':
+    if cmd == '--build':
         bconf = os.environ.get('UWSGI_PROFILE','default.ini')
         try:
             bconf = sys.argv[2]
@@ -846,6 +850,17 @@ if __name__ == "__main__":
         if not '/' in bconf:
             bconf = 'buildconf/%s' % bconf
         build_uwsgi(uConf(bconf))
+    elif cmd == '--cflags':
+        bconf = os.environ.get('UWSGI_PROFILE','default.ini')
+        try:
+            bconf = sys.argv[2]
+        except:
+            pass
+        if not bconf.endswith('.ini'):
+            bconf += '.ini'
+        if not '/' in bconf:
+            bconf = 'buildconf/%s' % bconf
+        build_uwsgi(uConf(bconf, True), True)
     elif cmd == '--unbit':
         build_uwsgi(uConf('buildconf/unbit.ini'))
     elif cmd == '--plugin':

uwsgidecorators.py

@@ -8,15 +8,14 @@ except:
 
 
 if uwsgi.masterpid() == 0:
-    raise Exception("you have to enable the uWSGI master process to use this module")
-
-if uwsgi.opt.get('lazy'):
-    raise Exception("uWSGI lazy mode is not supported by this module")
+    raise Exception(
+        "you have to enable the uWSGI master process to use this module")
 
 spooler_functions = {}
 mule_functions = {}
 postfork_chain = []
 
+
 def get_free_signal():
     for signum in xrange(0, 256):
         if not uwsgi.signal_registered(signum):
@@ -24,12 +23,14 @@ def get_free_signal():
 
     raise Exception("No free uwsgi signal available")
 
+
 def manage_spool_request(vars):
     ret = spooler_functions[vars['ud_spool_func']](vars)
-    if not vars.has_key('ud_spool_ret'):
+    if not 'ud_spool_ret' in vars:
         return ret
     return int(vars['ud_spool_ret'])
 
+
 def postfork_chain_hook():
     for f in postfork_chain:
         f()
@@ -37,10 +38,12 @@ def postfork_chain_hook():
 uwsgi.spooler = manage_spool_request
 uwsgi.post_fork_hook = postfork_chain_hook
 
+
 class postfork(object):
     def __init__(self, f):
         postfork_chain.append(f)
 
+
 class spool(object):
 
     def spool(self, *args, **kwargs):
@@ -53,12 +56,14 @@ class spool(object):
         return uwsgi.spool(arguments)
 
     def __init__(self, f):
-        if not uwsgi.opt.has_key('spooler'):
-            raise Exception("you have to enable the uWSGI spooler to use the @spool decorator")
+        if not 'spooler' in uwsgi.opt:
+            raise Exception(
+                "you have to enable the uWSGI spooler to use @spool decorator")
         self.f = f
         spooler_functions[f.__name__] = self.f
         self.f.spool = self.spool
-	self.base_dict = {'ud_spool_func':self.f.__name__}
+        self.base_dict = {'ud_spool_func': self.f.__name__}
+
 
 class spoolforever(spool):
 
@@ -71,6 +76,7 @@ class spoolforever(spool):
             arguments.update(kwargs)
         return uwsgi.spool(arguments)
 
+
 class spoolraw(spool):
 
     def spool(self, *args, **kwargs):
@@ -97,15 +103,13 @@ class mulefunc(object):
         uwsgi.mule_msg(pickle.dumps(
             {
                 'service': 'uwsgi_mulefunc',
-                'func':self.fname,
+                'func': self.fname,
                 'args': args,
                 'kwargs': kwargs
             }
         ), self.mule)
 
-
     def __call__(self, *args, **kwargs):
-
         if not self.fname:
             self.fname = args[0].__name__
             mule_functions[self.fname] = args[0]
@@ -117,7 +121,7 @@ class mulefunc(object):
 def mule_msg_dispatcher(message):
     msg = pickle.loads(message)
     if msg['service'] == 'uwsgi_mulefunc':
-        return mule_functions[msg['func']](*msg['args'],**msg['kwargs'])
+        return mule_functions[msg['func']](*msg['args'], **msg['kwargs'])
 
 uwsgi.mule_msg_hook = mule_msg_dispatcher
 
@@ -131,12 +135,13 @@ class rpc(object):
         uwsgi.register_rpc(self.name, f)
         return f
 
+
 class farm_loop(object):
 
     def __init__(self, f, farm):
         self.f = f
         self.farm = farm
-    
+
     def __call__(self):
         if uwsgi.mule_id() == 0:
             return
@@ -147,6 +152,7 @@ class farm_loop(object):
             if message:
                 self.f(message)
 
+
 class farm(object):
 
     def __init__(self, name=None, **kwargs):
@@ -155,6 +161,7 @@ class farm(object):
     def __call__(self, f):
         postfork_chain.append(farm_loop(f, self.name))
 
+
 class mule_brain(object):
 
     def __init__(self, f, num):
@@ -165,13 +172,14 @@ class mule_brain(object):
         if uwsgi.mule_id() == self.num:
             self.f()
 
+
 class mule_brainloop(mule_brain):
 
     def __call__(self):
         if uwsgi.mule_id() == self.num:
             while True:
                 self.f()
-    
+
 
 class mule(object):
     def __init__(self, num):
@@ -180,10 +188,12 @@ class mule(object):
     def __call__(self, f):
         postfork_chain.append(mule_brain(f, self.num))
 
+
 class muleloop(mule):
     def __call__(self, f):
         postfork_chain.append(mule_brainloop(f, self.num))
 
+
 class mulemsg_loop(object):
 
     def __init__(self, f, num):
@@ -192,12 +202,12 @@ class mulemsg_loop(object):
 
     def __call__(self):
         if uwsgi.mule_id() == self.num:
-            print " i am the mule"
             while True:
                 message = uwsgi.mule_get_msg()
                 if message:
                     self.f(message)
 
+
 class mulemsg(object):
     def __init__(self, num):
         self.num = num
@@ -205,28 +215,31 @@ class mulemsg(object):
     def __call__(self, f):
         postfork_chain.append(mulemsg_loop(f, self.num))
 
+
 class signal(object):
 
     def __init__(self, num, **kwargs):
         self.num = num
-	self.target = kwargs.get('target', '')
+        self.target = kwargs.get('target', '')
 
     def __call__(self, f):
         uwsgi.register_signal(self.num, self.target, f)
         return f
 
+
 class timer(object):
 
     def __init__(self, secs, **kwargs):
         self.num = kwargs.get('signum', get_free_signal())
         self.secs = secs
-	self.target = kwargs.get('target', '')
+        self.target = kwargs.get('target', '')
 
     def __call__(self, f):
         uwsgi.register_signal(self.num, self.target, f)
         uwsgi.add_timer(self.num, self.secs)
         return f
 
+
 class cron(object):
 
     def __init__(self, minute, hour, day, month, dayweek, **kwargs):
@@ -236,39 +249,41 @@ class cron(object):
         self.day = day
         self.month = month
         self.dayweek = dayweek
-	self.target = kwargs.get('target', '')
+        self.target = kwargs.get('target', '')
 
     def __call__(self, f):
         uwsgi.register_signal(self.num, self.target, f)
-        uwsgi.add_cron(self.num, self.minute, self.hour, self.day, self.month, self.dayweek)
+        uwsgi.add_cron(self.num, self.minute, self.hour,
+            self.day, self.month, self.dayweek)
         return f
 
 
-
 class rbtimer(object):
 
     def __init__(self, secs, **kwargs):
         self.num = kwargs.get('signum', get_free_signal())
         self.secs = secs
-	self.target = kwargs.get('target', '')
+        self.target = kwargs.get('target', '')
 
     def __call__(self, f):
         uwsgi.register_signal(self.num, self.target, f)
         uwsgi.add_rb_timer(self.num, self.secs)
         return f
 
+
 class filemon(object):
 
     def __init__(self, fsobj, **kwargs):
         self.num = kwargs.get('signum', get_free_signal())
         self.fsobj = fsobj
-	self.target = kwargs.get('target', '')
+        self.target = kwargs.get('target', '')
 
     def __call__(self, f):
         uwsgi.register_signal(self.num, self.target, f)
         uwsgi.add_file_monitor(self.num, self.fsobj)
         return f
 
+
 class erlang(object):
 
     def __init__(self, name):
@@ -278,6 +293,7 @@ class erlang(object):
         uwsgi.erlang_register_process(self.name, f)
         return f
 
+
 class lock(object):
     def __init__(self, f):
         self.f = f
@@ -292,6 +308,7 @@ class lock(object):
         finally:
             uwsgi.unlock()
 
+
 class thread(object):
 
     def __init__(self, f):
@@ -302,5 +319,3 @@ class thread(object):
         t.daemon = True
         t.start()
         return self.f
-
-    

uwsgidsl.rb

@@ -14,6 +14,7 @@ end
 
 $postfork_chain = []
 $mulefunc_list = []
+$spoolfunc_list = []
 
 module UWSGI
   module_function
@@ -21,6 +22,11 @@ module UWSGI
     $postfork_chain.each {|func| func.call }
   end
 
+  module_function
+  def spooler(args)
+    $spoolfunc_list[args['ud_spool_func'].to_i].call(args)
+  end
+
   module_function
   def mule_msg_hook(message)
     service = Marshal.load(message)
@@ -62,6 +68,18 @@ def postfork(&block)
   $postfork_chain << block
 end
 
+class SpoolProc < Proc
+  def initialize(&block)
+    @block = block
+    @id = (($spoolfunc_list << block).length-1).to_s
+  end
+
+  def call(args)
+    args['ud_spool_func'] = @id
+    UWSGI::send_to_spooler(args)
+  end
+end
+
 def rpc(name, &block)
   if block.arity <= 0
     UWSGI.register_rpc(name, block, 0)

welcome.py

@@ -30,12 +30,12 @@ def serve_logo(e, sr):
 def serve_options(e, sr):
     sr('200 OK', [('Content-Type', 'text/html')])
     for opt in xrange(0,256):
-        yield "%d = %d<br/>" % (opt, uwsgi.get_option(opt))
+        yield "<b>%d</b> = %d<br/>" % (opt, uwsgi.get_option(opt))
 
 def serve_config(e, sr):
     sr('200 OK', [('Content-Type', 'text/html')])
     for opt in uwsgi.opt.keys():
-        yield "%s = %s<br/>" % (opt, uwsgi.opt[opt])
+        yield "<b>%s</b> = %s<br/>" % (opt, uwsgi.opt[opt])
 
 routes = {}
 routes['/xsendfile'] = xsendfile
@@ -95,7 +95,7 @@ def application(env, start_response):
         """ % (w['id'], w['pid'], w['status'], w['running_time']/1000, w['avg_rt']/1000, w['tx'], apps)
 
     return """
-<img src="/logo"/> version %s<br/>
+<img src="/logo"/> version %s running on %s<br/>
 <hr size="1"/>
 
 Configuration<br/>
@@ -115,7 +115,7 @@ Workers and applications<br/>
 %s
 </table>
 
-    """ % (uwsgi.version, workers)
+    """ % (uwsgi.version, uwsgi.hostname, workers)
 
 
 

yaml.c

@@ -154,6 +154,10 @@ void uwsgi_yaml_config(char *file, char *magic_table[]) {
 			case YAML_VALUE_TOKEN:
 				status = 2;
 				break;
+			case YAML_FLOW_SEQUENCE_START_TOKEN:
+			case YAML_BLOCK_SEQUENCE_START_TOKEN:
+				status = 3;
+				break;
 			case YAML_BLOCK_MAPPING_START_TOKEN:
 				if (!in_uwsgi_section) {
                                         if (key) {
@@ -170,6 +174,8 @@ void uwsgi_yaml_config(char *file, char *magic_table[]) {
 				}
 				break;
 			case YAML_SCALAR_TOKEN:
+			case YAML_FLOW_ENTRY_TOKEN:
+			case YAML_BLOCK_ENTRY_TOKEN:
 				if (status == 1) {
 					key = (char *) token.data.scalar.value;
 				}
@@ -180,6 +186,12 @@ void uwsgi_yaml_config(char *file, char *magic_table[]) {
 					}
 					status = 0;
 				}
+				else if (status == 3) {
+					val = (char *) token.data.scalar.value; 
+					if (key && val && in_uwsgi_section) {
+						add_exported_option(key, val, 0);
+					}
+				}
 				else {
 					uwsgi_log("unsupported YAML token in %s block\n", section_asked);
 					parsing = 0;