python 3.2 fixes

Try to use LIBDIR instead of PREFIX as directory where to look for
python libraries to link with.

.hgtags

@@ -0,0 +1,11 @@
+d3850b52334a91d005b0fe45e1e38ba0997a1fb8 no_server mode
+2d8a617299153ed2efa6ecee7920e9d36c29e0f5 0.9.5beta1
+04722a2d0121080d14a64df097c278860db5ce8a 0.9.5rc1
+820cc64ab296dc4589ef72a33a6b804c22a0430c 0.9.5rc2
+b0db39cfad5ac6d4f00bbb3f9c57cf73206e2afb 0.9.5
+9f8b98ad1dfa51b86b13fa624c65f73523075fc4 0.9.5.1
+a83e7a482e65befcfbb0e24af8cd5d15190acdd7 0.9.6-rc1
+b8f67c6cd0d62f864db9b2b265b4e260ad7d873c 0.9.6-rc2
+35918dd4b3771158b2b57410613ef029e08bbd60 0.9.6
+5f25d1f97f9dde3e391a668c1c610a52a5db8244 0.9.6.1
+ef31fc61ac48018c464f28ebfdf865b96bf83f18 0.9.6.2

ChangeLog

@@ -1,3 +1,248 @@
+*** march 2011 ***
+
+ * 0.9.7-beta1 [20110301]
+
+- fully modular re-design
+- threading support
+- emperor mode for massive auto-hosting
+- caching subsystem
+- message queue (even stacked) support
+- improved server reloading system
+- support for Linux Cgroups and Namespaces
+- integrated upload progress
+- Clustering infrastructure via multicast, broadcast or subscriptions
+- support for attaching/monitoring external apps to the master process
+- improved virtualhosting mode
+- extremely improved Python support with better usage of multiple interpreters
+- improved multiple apps support
+- Production ready, evented HTTP router/proxy/load-balancer
+- Production ready, evented uwsgi router/proxy/load-balancer
+- new Erlang stack
+- Internal signal subsystem
+- support for RubyOnRails and Rack apps
+- A huge series of fixes and optimizations
+
+*** february 2011 ***
+
+ * 0.9.6.8 [20110207]
+
+- fixed a bug when using --limit-as
+- fixed a erlang buffer initialization
+- added --ignore-sigpipe
+- added --master-as-root
+
+*** january 2011 ***
+
+ * 0.9.6.7 [20110130]
+
+- a huge amount of async optimizations and fixes
+- --logdate takes an optional strftime-like value
+- follow $PATH on reloading
+- uwsgi.core is exported in WSGI env
+- uwsgi.log() respect for --logdate
+- initial banner respect for --logdate
+- fixed --post-buffering
+- default listen backlog queue is now 100
+- Python 3 support is no more marked as experimental
+- Python 3.2 support
+- new option --chroot-reload will force a reload of the uWSGI stack after a chroot
+- fixed a typo in INI parsing
+
+*** december 2010 ***
+
+ * 0.9.6.6 [20101230]
+
+- support for YAML configuration files
+- backported python module aliasing from 0.9.7-dev
+- better apache2 module (support for SetEnv directive, fixed REQUEST_URI and improved connection handling)
+- uwsgi.post_fork_hook implementation (to execute function after fork()) (thanks George Kollias)
+- option --gid calls setgroups() after setgid() (thanks Jorge Cardona)
+- fixed uGreen compilation (and uGreen is now built by default)
+- fixed timeout and thundering herd problem in async modes (many thanks to Test157 for giving us a good async-test-app)
+- disable TCP_INFO in older Linux kernels (thanks Bo Shi)
+- enable TCP_INFO in FreeBSD (limited usage due to FreeBSD kernel support)
+- fixed static virtualhosting mode using xml files (thanks Guido Notari of Link I.T. spa)
+- new option --close-on-exec (thanks Jean-Baptiste Quenot)
+- use HTTP_HOST var (and fallback to SERVER_NAME) in virtual hosting mode
+- fixed a buffer overflow in automatic socket_name allocation (spotted by Riccardo Magliocchetti)
+- Official support for Nexenta
+
+
+*** september 2010 ***
+
+ * 0.9.6.5 [20100929]
+
+- PEP 3333 support
+- fix --pythonpath with --wsgi-file
+- x-wsgiorg.uwsgi.version renamed to uwsgi.version
+
+ * 0.9.6.4 [20100925]
+
+- fix a stupid bug in conditional logging backport
+
+ * 0.9.6.3 [20100925]
+
+- fix a buffer overflow in .ini parsing (it throws a glibc error on malloc)
+- backport of conditional logging from 0.9.7-dev
+- backport of backlog queue monitor from 0.9.7-dev (only Linux)
+
+ * 0.9.6.2 [20100915]
+
+- fix a regression in virtual hosting mode
+- fix pythonpath usage in --ini and --ini-paste
+- new uwsgi packet var: UWSGI_CHDIR
+
+ * 0.9.6.1 [20100912]
+
+- print the request uri during SIGPIPE or HARAKIRI
+- added SIGUSR2 support (it will print the current running request, if available)
+- protocol parsing optimization
+- fixed --logto support
+- new --eval option allows inline definition of WSGI script
+- support for defining WSGI script in xml using CDATA
+- allow --pp as --pythonpath shortcut
+- various spooler optimizations and fixes
+- added -O2 optimization by default
+- added uwsgi.is_a_reload commodity function
+- .ini file support fix
+- SNMP agent fix
+- support for subprocesses generated by master
+- fix a regression in SCRIPT_NAME handling
+- Haiku official support
+- gcc 2.95 support
+- dynamic app management optimizations
+- export x-wsgiorg.uwsgi.version in WSGI env
+ 
+*** august 2010 ***
+
+ * 0.9.6 [20100829]
+
+- better handling of SCRIPT_NAME
+- vacuum option for deleting unix sockets and pidfiles after usage
+- advanced XML configuration
+- new configuration systems: INI files and LDAP
+- embedded HTTP server for development/testing
+- better signal handling
+- PSGI plugin improved
+- usability fixes and new commodities options for root startup
+- grunt processes (detached workers)
+- preliminary integrated virtualhosting mode
+- new option catch-exceptions can redirect python exceptions to your browser
+- logging improvements (--logto and --logdate options)
+- Full PEP 333 compliant usage of wsgi.file_wrapper
+- re-initialize random seed after every fork() [security fix]
+- fix Spooler's usage of stdin
+- export WSGI environment in uwsgi.env (for doing evil things)
+- logsize tracking (uwsgi.logsize) for future embedded log rotation
+
+*** july 2010 ***
+ 
+ * 0.9.5.4 [20100706]
+	
+*** june 2010 ***
+
+ * 0.9.5.3 [20100628]
+
+- fixed linux x86_64 compilation (sorry)
+
+ * 0.9.5.2 [20100626] *
+
+- fixed a request parsing bug
+- applied debian fixes
+- fixed multiple interpreter sys.argv
+- improved --chmod-socket
+- fixed uid 0 SIGHUP
+- updated nginx and apache modules
+- updated PSGI, lua and example plugin
+- fixed --pyargv with python 3.x
+- improved plugin build system
+
+*** may 2010 ***
+
+ * 0.9.5.1 [20100519] *
+
+- fixed paste support
+- added a new modifier (22)
+- full support for configuration via environment variables
+- nginx_string option in nginx module
+- fix for harakiri without master
+- backported unladen swallow support for 0.9.6-dev
+- fixed address space limit detection via getrlimit()
+- http body buffering implementation
+- added --prio option (to set priority)
+- added --post-limit to limit the size of uploads
+- added --logto option to allow udp logging without daemonizing
+- applied Gentoo's packagers fixes for build system
+
+ * 0.9.5 [20100501] *
+
+- hook based request/modifier management
+- plugin support via dlopen
+- on-the-fly management flag
+- integrated proxy
+- logging via udp
+- improved spooler for cron-like apps
+- async support
+- green thread platform (uGreen) on top of the async mode
+- transparent Erlang integration
+- embedded snmp agent
+- nagios mode
+- improved python 3.x support
+- improved xml configuration
+- new build system
+- address space usage limiting
+- lot of portability fixes
+- lot of optimizations and code refactoring
+
+
+*** april 2010 ***
+
+ * Fourth Maintenance release [20100427] *
+
+- backported non-yielding app optimization from 0.9.5
+- backported udp logging from 0.9.5
+- backported uwsgi_error() from 0.9.5 (no more dumb perror())
+- fix a rare (but possible) segmentation fault
+- added --version
+- updated apache2 module
+
+*** march 2010 ***
+
+ * Third Maintenance release [20100310] *
+
+- fix sendfile on 64bit
+- include setup.py
+
+*** february 2010 ***
+ * Maintenance release *
+
+- better support for NetBSD
+- threading fix for FreeBSD
+- sendfile portability fixes 
+- new makefiles
+- example app for testing static file serving
+- fixes for ROCK_SOLID mode
+
+*** january 2010 ***
+
+- Integrated Spooler
+- better error management
+- long options
+- clustering functions
+- experimental lighttpd module
+- official support for OpenBSD and OpenSolaris
+- FastFuncs
+- new functions for embedded module
+- reliable harakiri
+- better Makefiles
+- python threads support in master process
+- proper timeout handling in apache2 module
+- endianess fixes all over the place
+- paste support
+- Django app for managing and monitoring the uWSGI server
+- options for changin uid/gid and chrooting when run by root
+- lot of bugfixes and optimizations
+
 *** 20091129 Version 0.9.3 ***
 
 - Nginx 0.7.x module

Makefile

@@ -1,13 +1,2 @@
-CC=gcc
-
-PYTHON_CFLAGS=`python2.5-config --cflags`
-PYTHON_LIBS=`python2.5-config --libs`
-XML_CFLAGS=`xml2-config --cflags`
-XML_LIBS=`xml2-config --libs`
-
-CFLAGS=$(PYTHON_CFLAGS) $(XML_CFLAGS)
-LD_FLAGS=$(PYTHON_LIBS) $(XML_LIBS)
-
-PROGRAM=uwsgi
-
-include base.mk
+all:
+	python uwsgiconfig.py --build

Makefile.Linux-LLVM.Py25

@@ -1,31 +0,0 @@
-CC=/usr/lib/llvm/llvm/gcc-4.2/bin/llvm-gcc
-
-PYTHON_CFLAGS=`python2.5-config --cflags`
-PYTHON_LIBS=`python2.5-config --libs`
-XML_CFLAGS=`xml2-config --cflags`
-XML_LIBS=`xml2-config --libs`
-
-CFLAGS=$(PYTHON_CFLAGS) $(XML_CFLAGS)
-LD_FLAGS=$(PYTHON_LIBS) $(XML_LIBS)
-
-PROGRAM=uwsgi
-
-all:	uwsgi
-
-uwsgi:	utils.o socket.o pymodule.o main.o
-	$(CC) $(LD_FLAGS) utils.o socket.o pymodule.o main.o -o $(PROGRAM)
-
-utils.o: utils.c
-	$(CC) -c $(CFLAGS) utils.c
-
-socket.o: socket.c
-	$(CC) -c $(CFLAGS) socket.c
-
-pymodule.o: uwsgi_pymodule.c
-	$(CC) -c $(CFLAGS) -o pymodule.o uwsgi_pymodule.c
-
-main.o:	uwsgi.c
-	$(CC) -c $(CFLAGS) -o main.o uwsgi.c
-	
-clean:
-	rm -f utils.o socket.o pymodule.o main.o

Makefile.Linux-LLVM.Py26

@@ -1,31 +0,0 @@
-CC=/usr/lib/llvm/llvm/gcc-4.2/bin/llvm-gcc
-
-PYTHON_CFLAGS=`python2.6-config --cflags`
-PYTHON_LIBS=`python2.6-config --libs`
-XML_CFLAGS=`xml2-config --cflags`
-XML_LIBS=`xml2-config --libs`
-
-CFLAGS=$(PYTHON_CFLAGS) $(XML_CFLAGS)
-LD_FLAGS=$(PYTHON_LIBS) $(XML_LIBS)
-
-PROGRAM=uwsgi26
-
-all:	uwsgi
-
-uwsgi:	utils.o socket.o pymodule.o main.o
-	$(CC) $(LD_FLAGS) utils.o socket.o pymodule.o main.o -o $(PROGRAM)
-
-utils.o: utils.c
-	$(CC) -c $(CFLAGS) utils.c
-
-socket.o: socket.c
-	$(CC) -c $(CFLAGS) socket.c
-
-pymodule.o: uwsgi_pymodule.c
-	$(CC) -c $(CFLAGS) -o pymodule.o uwsgi_pymodule.c
-
-main.o:	uwsgi.c
-	$(CC) -c $(CFLAGS) -o main.o uwsgi.c
-	
-clean:
-	rm -f utils.o socket.o pymodule.o main.o

Makefile.Py24

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

Makefile.Py25

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

Makefile.Py26

@@ -1,13 +1,2 @@
-CC=gcc
-
-PYTHON_CFLAGS=`python2.6-config --cflags`
-PYTHON_LIBS=`python2.6-config --libs`
-XML_CFLAGS=`xml2-config --cflags`
-XML_LIBS=`xml2-config --libs`
-
-CFLAGS=$(PYTHON_CFLAGS) $(XML_CFLAGS)
-LD_FLAGS=$(PYTHON_LIBS) $(XML_LIBS)
-
-PROGRAM=uwsgi26
-
-include base.mk
+all:
+	python2.6 uwsgiconfig.py --build

Makefile.Py27

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

Makefile.Py30

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

Makefile.Py31

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

Makefile.Py32

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

Makefile.PyLua

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

Makefile.ROCK_SOLID.Py26

@@ -1,29 +0,0 @@
-CC=gcc
-
-PYTHON_CFLAGS=`python2.6-config --cflags`
-PYTHON_LIBS=`python2.6-config --libs`
-
-CFLAGS=$(PYTHON_CFLAGS) -DROCK_SOLID
-LD_FLAGS=$(PYTHON_LIBS) -DROCK_SOLID
-
-PROGRAM=uwsgi26_rs
-
-all:	uwsgi
-
-uwsgi:	utils.o socket.o pymodule.o main.o
-	$(CC) $(LD_FLAGS) utils.o socket.o pymodule.o main.o -o $(PROGRAM)
-
-utils.o: utils.c
-	$(CC) -c $(CFLAGS) utils.c
-
-socket.o: socket.c
-	$(CC) -c $(CFLAGS) socket.c
-
-pymodule.o: uwsgi_pymodule.c
-	$(CC) -c $(CFLAGS) -o pymodule.o uwsgi_pymodule.c
-
-main.o:	uwsgi.c
-	$(CC) -c $(CFLAGS) -o main.o uwsgi.c
-	
-clean:
-	rm -f utils.o socket.o pymodule.o main.o

Makefile.UNBIT.Py24

@@ -1,26 +0,0 @@
-CC=gcc
-
-PYTHON_CFLAGS=`python2.4-config --cflags`
-PYTHON_LIBS=`python2.4-config --libs`
-
-CFLAGS=$(PYTHON_CFLAGS) -DUNBIT -D_GNU_SOURCE
-LD_FLAGS=$(PYTHON_LIBS) -DUNBIT -D_GNU_SOURCE
-
-PROGRAM=/usr/share/unbit/uwsgi24
-
-all:	clean uwsgi
-
-uwsgi:	utils.o pymodule.o main.o
-	$(CC) $(LD_FLAGS) main.o utils.o pymodule.o -o $(PROGRAM)
-
-utils.o: utils.c
-	$(CC) -c $(CFLAGS) utils.c
-
-pymodule.o: uwsgi_pymodule.c
-	$(CC) -c $(CFLAGS) -o pymodule.o uwsgi_pymodule.c
-
-main.o:	uwsgi.c
-	$(CC) -c $(CFLAGS) -o main.o uwsgi.c
-	
-clean:
-	rm -f utils.o pymodule.o main.o

Makefile.UNBIT.Py25

@@ -1,26 +0,0 @@
-CC=gcc
-
-PYTHON_CFLAGS=`python2.5-config --cflags`
-PYTHON_LIBS=`python2.5-config --libs`
-
-CFLAGS=$(PYTHON_CFLAGS) -DUNBIT -D_GNU_SOURCE
-LD_FLAGS=$(PYTHON_LIBS) -DUNBIT -D_GNU_SOURCE
-
-PROGRAM=/usr/share/unbit/uwsgi
-
-all:    clean uwsgi
-
-uwsgi:  utils.o pymodule.o main.o
-	$(CC) $(LD_FLAGS) main.o utils.o pymodule.o -o $(PROGRAM)
-
-utils.o: utils.c
-	$(CC) -c $(CFLAGS) utils.c
-
-pymodule.o: uwsgi_pymodule.c
-	$(CC) -c $(CFLAGS) -o pymodule.o uwsgi_pymodule.c
-
-main.o: uwsgi.c
-	$(CC) -c $(CFLAGS) -o main.o uwsgi.c
-        
-clean:
-	rm -f utils.o pymodule.o main.o

Makefile.UNBIT.Py26

@@ -1,33 +0,0 @@
-CC=gcc
-
-PYBASE=/opt/packages/python/26
-
-PATH := ${PATH}:$(PYBASE)/bin
-
-LD_LIBRARY_PATH= $(PYBASE)/lib
-export LD_LIBRARY_PATH
-
-PYTHON_CFLAGS=`python2.6-config --cflags`
-PYTHON_LIBS=`python2.6-config --libs`
-
-CFLAGS=$(PYTHON_CFLAGS) -DUNBIT -D_GNU_SOURCE
-LD_FLAGS=$(PYTHON_LIBS) -DUNBIT -D_GNU_SOURCE -L $(LD_LIBRARY_PATH)
-
-PROGRAM=/usr/share/unbit/uwsgi26
-
-all:    clean uwsgi
-
-uwsgi:  utils.o pymodule.o main.o
-	$(CC) $(LD_FLAGS) main.o utils.o pymodule.o -o $(PROGRAM)
-
-utils.o: utils.c
-	$(CC) -c $(CFLAGS) utils.c
-
-pymodule.o: uwsgi_pymodule.c
-	$(CC) -c $(CFLAGS) -o pymodule.o uwsgi_pymodule.c
-
-main.o: uwsgi.c
-	$(CC) -c $(CFLAGS) -o main.o uwsgi.c
-        
-clean:
-	rm -f utils.o pymodule.o main.o

Makefile.UNBIT.Py30

@@ -1,30 +0,0 @@
-CC=gcc
-
-PYBASE=/opt/packages/python/30
-
-PATH := ${PATH}:$(PYBASE)/bin
-
-LD_LIBRARY_PATH= $(PYBASE)/lib
-export LD_LIBRARY_PATH
-
-PYTHON_CFLAGS=`python3.0-config --cflags`
-PYTHON_LIBS=`python3.0-config --libs`
-
-CFLAGS=$(PYTHON_CFLAGS) -DUNBIT -D_GNU_SOURCE -DPYTHREE
-LD_FLAGS=$(PYTHON_LIBS) -DUNBIT -D_GNU_SOURCE -DPYTHREE -L $(LD_LIBRARY_PATH)
-
-PROGRAM=/usr/share/unbit/uwsgi30
-
-all:    clean uwsgi
-
-uwsgi:  utils.o main.o
-	$(CC) $(LD_FLAGS) main.o utils.o -o $(PROGRAM)
-
-utils.o: utils.c
-	$(CC) -c $(CFLAGS) utils.c
-
-main.o: uwsgi.c
-	$(CC) -c $(CFLAGS) -o main.o uwsgi.c
-        
-clean:
-	rm -f utils.o main.o

Makefile.UNBIT.Py31

@@ -1,30 +0,0 @@
-CC=gcc
-
-PYBASE=/opt/packages/python/31
-
-PATH := ${PATH}:$(PYBASE)/bin
-
-LD_LIBRARY_PATH= $(PYBASE)/lib
-export LD_LIBRARY_PATH
-
-PYTHON_CFLAGS=`python3.1-config --cflags`
-PYTHON_LIBS=`python3.1-config --libs`
-
-CFLAGS=$(PYTHON_CFLAGS) -DUNBIT -D_GNU_SOURCE -DPYTHREE
-LD_FLAGS=$(PYTHON_LIBS) -DUNBIT -D_GNU_SOURCE -DPYTHREE -L $(LD_LIBRARY_PATH)
-
-PROGRAM=/usr/share/unbit/uwsgi31
-
-all:    clean uwsgi
-
-uwsgi:  utils.o main.o
-	$(CC) $(LD_FLAGS) main.o utils.o -o $(PROGRAM)
-
-utils.o: utils.c
-	$(CC) -c $(CFLAGS) utils.c
-
-main.o: uwsgi.c
-	$(CC) -c $(CFLAGS) -o main.o uwsgi.c
-        
-clean:
-	rm -f utils.o main.o

apache2/mod_Ruwsgi.c

@@ -0,0 +1,923 @@
+/*
+
+ *** uWSGI/mod_Ruwsgi ***
+
+ Copyright 2009-2010 Roger Florkowski <rflorkowski@mypublisher.com>
+ Copyright 2009-2010 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
+ as published by the Free Software Foundation; either version 2
+ of the License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+
+*/
+
+#define MOD_UWSGI_VERSION "1.0"
+
+#include "ap_config.h"
+#include "apr_version.h"
+#include "apr_lib.h"
+#include "apr_strings.h"
+#include "httpd.h"
+#include "http_core.h"
+#include "http_request.h"
+#include "http_config.h"
+#include "http_log.h"
+#include "http_protocol.h"
+#include "util_script.h"
+
+#include <netinet/in.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <sys/uio.h>
+#include <time.h>
+#include <poll.h>
+
+#define DEFAULT_TIMEOUT  60 /* default socket timeout */
+#define DEFAULT_CGIMODE  0  /* not enabled */
+
+#define UNSET 0
+#define ENABLED 1
+#define DISABLED 2
+
+#if APR_MAJOR_VERSION == 0
+#define apr_socket_send apr_send
+#define GET_PORT(port, addr) apr_sockaddr_port_get(&(port), addr)
+#define CREATE_SOCKET(sock, family, pool) \
+	apr_socket_create(sock, family, SOCK_STREAM, pool)
+#else
+#define GET_PORT(port, addr) ((port) = (addr)->port)
+#define CREATE_SOCKET(sock, family, pool) \
+	apr_socket_create(sock, family, SOCK_STREAM, APR_PROTO_TCP, pool)
+#endif
+
+typedef struct {
+	char *path;
+	char *addr;
+	apr_port_t port;
+} mount_entry;
+
+/*
+ * Configuration record.  Used per-directory configuration data.
+ */
+typedef struct {
+	mount_entry mount;
+	int enabled; /* mod_uwsgi is enabled from this directory */
+	int timeout;
+	int cgi_mode;
+	uint8_t modifier1;
+	uint8_t modifier2;
+} uwsgi_cfg;
+
+/* Server level configuration */
+typedef struct {
+	apr_array_header_t *mounts;
+	int timeout;
+	int cgi_mode;
+} uwsgi_server_cfg;
+
+module AP_MODULE_DECLARE_DATA uwsgi_module;
+
+/*
+ * Locate our directory configuration record for the current request.
+ */
+	static uwsgi_cfg *
+our_dconfig(request_rec *r)
+{
+	return (uwsgi_cfg *) ap_get_module_config(r->per_dir_config, &uwsgi_module);
+}
+
+static uwsgi_server_cfg *our_sconfig(server_rec *s)
+{
+	return (uwsgi_server_cfg *) ap_get_module_config(s->module_config,
+			&uwsgi_module);
+}
+
+	static int
+mount_entry_matches(const char *url, const char *prefix,
+		const char **path_info)
+{
+	int i;
+	for (i=0; prefix[i] != '\0'; i++) {
+		if (url[i] == '\0' || url[i] != prefix[i])
+			return 0;
+	}
+	if (url[i] == '\0' || url[i] == '/') {
+		*path_info = url + i;
+		return 1;
+	}
+	return 0;
+}
+
+static int uwsgi_translate(request_rec *r)
+{
+	uwsgi_cfg *cfg = our_dconfig(r);
+
+	if (cfg->enabled == DISABLED) {
+		return DECLINED;
+	}
+
+	if (cfg->mount.addr != UNSET) {
+		ap_assert(cfg->mount.port != UNSET);
+		r->handler = "uwsgi-handler";
+		r->filename = r->uri;
+		return OK;
+	}
+	else {
+		int i;
+		uwsgi_server_cfg *scfg = our_sconfig(r->server);
+		mount_entry *entries = (mount_entry *) scfg->mounts->elts;
+		for (i = 0; i < scfg->mounts->nelts; ++i) {
+			const char *path_info;
+			mount_entry *mount = &entries[i];
+			if (mount_entry_matches(r->uri, mount->path, &path_info)) {
+				r->handler = "uwsgi-handler";
+				r->path_info = apr_pstrdup(r->pool, path_info);
+				r->filename = r->uri;
+				ap_set_module_config(r->request_config, &uwsgi_module, mount);
+				return OK;
+			}
+		}
+	}
+	return DECLINED;
+}
+
+static int uwsgi_map_location(request_rec *r)
+{
+	if (r->handler && strcmp(r->handler, "uwsgi-handler") == 0) {
+		return OK; /* We don't want directory walk. */
+	}
+	return DECLINED;
+}
+
+static void log_err(const char *file, int line, request_rec *r,
+		apr_status_t status, const char *msg)
+{
+	ap_log_rerror(file, line, APLOG_ERR, status, r, "uwsgi: %s", msg);
+}
+
+static void log_debug(const char *file, int line, request_rec *r, const
+		char *msg)
+{
+	/*
+	   ap_log_rerror(file, line, APLOG_DEBUG, APR_SUCCESS, r, msg);
+	   ap_log_rerror(file, line, APLOG_WARNING, APR_SUCCESS, r, "uwsgi: %s", msg);
+	   */
+	ap_log_rerror(file, line, APLOG_DEBUG, APR_SUCCESS, r, "uwsgi: %s", msg);
+}
+
+/* buffered socket implementation (buckets are overkill) */
+
+#define BUFFER_SIZE 8000
+
+struct sockbuff {
+	apr_socket_t *sock;
+	char buf[BUFFER_SIZE];
+	int used;
+};
+
+static void binit(struct sockbuff *s, apr_socket_t *sock)
+{
+	s->sock = sock;
+	s->used = 0;
+}
+
+static apr_status_t sendall(apr_socket_t *sock, char *buf, apr_size_t len)
+{
+	apr_status_t rv;
+	apr_size_t n;
+	while (len > 0) {
+		n = len;
+		if ((rv = apr_socket_send(sock, buf, &n))) return rv;
+		buf += n;
+		len -= n;
+	}
+	return APR_SUCCESS;
+}
+
+static apr_status_t bflush(struct sockbuff *s)
+{
+	apr_status_t rv;
+	ap_assert(s->used >= 0 && s->used <= BUFFER_SIZE);
+	if (s->used) {
+		if ((rv = sendall(s->sock, s->buf, s->used))) return rv;
+		s->used = 0;
+	}
+	return APR_SUCCESS;
+}
+
+static apr_status_t bwrite(struct sockbuff *s, char *buf, apr_size_t len)
+{
+	apr_status_t rv;
+	if (len >= BUFFER_SIZE - s->used) {
+		if ((rv = bflush(s))) return rv;
+		while (len >= BUFFER_SIZE) {
+			if ((rv = sendall(s->sock, buf, BUFFER_SIZE))) return rv;
+			buf += BUFFER_SIZE;
+			len -= BUFFER_SIZE;
+		}
+	}
+	if (len > 0) {
+		ap_assert(len < BUFFER_SIZE - s->used);
+		memcpy(s->buf + s->used, buf, len);
+		s->used += len;
+	}
+	return APR_SUCCESS;
+}
+
+static apr_status_t bputs(struct sockbuff *s, char *buf)
+{
+	return bwrite(s, buf, strlen(buf));
+}
+
+static apr_status_t bputc(struct sockbuff *s, char c)
+{
+	char buf[1];
+	buf[0] = c;
+	return bwrite(s, buf, 1);
+}
+
+static apr_status_t bputh(struct sockbuff *s, unsigned short h)
+{
+	return bwrite(s, (char *)&h, 2);
+}
+
+#define CONFIG_VALUE(value, fallback) ((value) != UNSET ? (value) : (fallback))
+
+	static apr_status_t
+open_socket(apr_socket_t **sock, request_rec *r)
+{
+	int timeout;
+	int retries = 4;
+	int sleeptime = 1;
+	apr_status_t rv;
+	apr_sockaddr_t *sockaddr;
+	uwsgi_server_cfg *scfg = our_sconfig(r->server);
+	uwsgi_cfg *cfg = our_dconfig(r);
+	mount_entry *m = (mount_entry *) ap_get_module_config(r->request_config,
+			&uwsgi_module);
+	if (!m) {
+		m = &cfg->mount;
+	}
+
+	timeout = CONFIG_VALUE(cfg->timeout, CONFIG_VALUE(scfg->timeout,
+				DEFAULT_TIMEOUT));
+	rv = apr_sockaddr_info_get(&sockaddr,
+			CONFIG_VALUE(m->addr, "localhost"),
+			APR_UNSPEC,
+			CONFIG_VALUE(m->port, 5000),
+			0,
+			r->pool);
+	if (rv) {
+		log_err(APLOG_MARK, r, rv, "apr_sockaddr_info_get() error");
+		return rv;
+	}
+
+restart:
+	*sock = NULL;
+	rv = CREATE_SOCKET(sock, sockaddr->family, r->pool);
+	if (rv) {
+		log_err(APLOG_MARK, r, rv, "apr_socket_create() error");
+		return rv;
+	}
+
+	rv = apr_socket_timeout_set(*sock, apr_time_from_sec(timeout));
+	if (rv) {
+		log_err(APLOG_MARK, r, rv, "apr_socket_timeout_set() error");
+		return rv;
+	}
+
+	rv = apr_socket_connect(*sock, sockaddr);
+	if (rv) {
+		apr_socket_close(*sock);
+		if ((APR_STATUS_IS_ECONNREFUSED(rv) |
+					APR_STATUS_IS_EINPROGRESS(rv)) && retries > 0) {
+			/* server may be temporarily down, retry */
+			ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_DEBUG, rv, r,
+					"uwsgi: connection failed, retrying");
+			apr_sleep(apr_time_from_sec(sleeptime));
+			--retries;
+			sleeptime *= 2;
+			goto restart;
+		}
+		log_err(APLOG_MARK, r, rv, "uwsgi: can't connect to server");
+		return rv;
+	}
+
+#ifdef APR_TCP_NODELAY
+	/* disable Nagle, we don't send small packets */
+	apr_socket_opt_set(*sock, APR_TCP_NODELAY, 1);
+#endif
+
+	return APR_SUCCESS;
+}
+
+/* This code is a duplicate of what's in util_script.c.  We can't use
+ * r->unparsed_uri because it gets changed if there was a redirect. */
+static char *original_uri(request_rec *r)
+{
+	char *first, *last;
+
+	if (r->the_request == NULL) {
+		return (char *) apr_pcalloc(r->pool, 1);
+	}
+
+	first = r->the_request;     /* use the request-line */
+
+	while (*first && !apr_isspace(*first)) {
+		++first;                /* skip over the method */
+	}
+	while (apr_isspace(*first)) {
+		++first;                /*   and the space(s)   */
+	}
+
+	last = first;
+	while (*last && !apr_isspace(*last)) {
+		++last;                 /* end at next whitespace */
+	}
+
+	return apr_pstrmemdup(r->pool, first, last - first);
+}
+
+static char *lookup_name(apr_table_t *t, const char *name)
+{
+	const apr_array_header_t *hdrs_arr = apr_table_elts(t);
+	apr_table_entry_t *hdrs = (apr_table_entry_t *) hdrs_arr->elts;
+	int i;
+
+	for (i = 0; i < hdrs_arr->nelts; ++i) {
+		if (hdrs[i].key == NULL)
+			continue;
+
+		if (strcasecmp(hdrs[i].key, name) == 0)
+			return hdrs[i].val;
+	}
+	return NULL;
+}
+
+static char *lookup_header(request_rec *r, const char *name)
+{
+	return lookup_name(r->headers_in, name);
+}
+
+static void add_header(apr_table_t *t, const char *name, const char *value)
+{
+	if (name != NULL && value != NULL)
+		apr_table_addn(t, name, value);
+}
+
+static int find_path_info(const char *uri, const char *path_info)
+{
+	int n;
+	n = strlen(uri) - strlen(path_info);
+	ap_assert(n >= 0);
+	return n;
+}
+
+static char *http2env(apr_pool_t *p, const char *name)
+{
+	char *env_name = apr_pstrcat(p, "HTTP_", name, NULL);
+	char *cp;
+
+	for (cp = env_name + 5; *cp != 0; cp++) {
+		if (*cp == '-') {
+			*cp = '_';
+		}
+		else {
+			*cp = apr_toupper(*cp);
+		}
+	}
+
+	return env_name;
+}
+
+	static apr_status_t
+send_headers(request_rec *r, struct sockbuff *s)
+{
+	int i;
+	const apr_array_header_t *hdrs_arr, *env_arr;
+	apr_table_entry_t *hdrs, *env;
+	char *buf;
+	unsigned short int n = 0;
+	apr_table_t *t;
+	apr_status_t rv = 0;
+	apr_port_t  port = 0;
+	GET_PORT(port, r->connection->remote_addr);
+	uwsgi_cfg *cfg = our_dconfig(r);
+
+	log_debug(APLOG_MARK,r, "sending headers");
+	t = apr_table_make(r->pool, 40);
+	if (!t)
+		return APR_ENOMEM;
+
+	/* headers to send */
+
+	/* CONTENT_LENGTH must come first and always be present */
+	buf = lookup_header(r, "Content-Length");
+	if (buf == NULL)
+		buf = "0";
+	add_header(t, "CONTENT_LENGTH",  buf);
+
+	add_header(t, "REQUEST_METHOD", (char *) r->method);
+	add_header(t, "QUERY_STRING", r->args ? r->args : "");
+	add_header(t, "SERVER_SOFTWARE", ap_get_server_version());
+	add_header(t, "SERVER_ADMIN", r->server->server_admin);
+	add_header(t, "SERVER_NAME", (char *) ap_get_server_name(r));
+	add_header(t, "SERVER_PORT", apr_psprintf(r->pool, "%u",ap_get_server_port(r)));
+	add_header(t, "SERVER_ADDR", r->connection->local_ip);
+	add_header(t, "SERVER_PROTOCOL", r->protocol);
+
+	add_header(t, "REQUEST_URI", original_uri(r));
+	add_header(t, "REMOTE_ADDR", r->connection->remote_ip);
+	add_header(t, "REMOTE_PORT", apr_psprintf(r->pool, "%d", port));
+	add_header(t, "REMOTE_USER", r->user);
+	add_header(t, "DOCUMENT_ROOT", (char *) ap_document_root(r));
+
+	if (r->path_info) {
+		int path_info_start = find_path_info(r->uri, r->path_info);
+		add_header(t, "SCRIPT_NAME", apr_pstrndup(r->pool, r->uri,
+					path_info_start));
+		add_header(t, "PATH_INFO", r->path_info);
+	}
+	else {
+		/* skip PATH_INFO, don't know it */
+		add_header(t, "SCRIPT_NAME", r->uri);
+	}
+
+	add_header(t, "CONTENT_TYPE", lookup_header(r, "Content-type"));
+
+	/* HTTP headers */
+	hdrs_arr = apr_table_elts(r->headers_in);
+	hdrs = (apr_table_entry_t *) hdrs_arr->elts;
+	for (i = 0; i < hdrs_arr->nelts; ++i) {
+		if (hdrs[i].key) {
+			add_header(t, http2env(r->pool, hdrs[i].key), hdrs[i].val);
+		}
+	}
+
+	/* environment variables */
+	env_arr = apr_table_elts(r->subprocess_env);
+	env = (apr_table_entry_t*) env_arr->elts;
+	for (i = 0; i < env_arr->nelts; ++i) {
+		add_header(t, env[i].key, env[i].val);
+	}
+
+	hdrs_arr = apr_table_elts(t);
+	hdrs = (apr_table_entry_t*) hdrs_arr->elts;
+
+	/* calculate length of header data */
+	for (i = 0; i < hdrs_arr->nelts; ++i) {
+		n += strlen(hdrs[i].key);
+		n += strlen(hdrs[i].val);
+		n += 4;        /* XXX */
+	}
+	log_debug(APLOG_MARK,r, apr_psprintf(r->pool, "pktheader size is %u", n));
+	log_debug(APLOG_MARK,r, apr_psprintf(r->pool, "num headers %u", hdrs_arr->nelts));
+
+	/* write pkt header */
+	rv = bputc(s, cfg->modifier1);   /* marker */
+	if (rv) return rv;
+	rv = bputh(s, n);   /* length of header data */
+	if (rv) return rv;
+	rv = bputc(s, cfg->modifier2);   /* marker */
+	if (rv) return rv;
+
+	/* write out headers */
+	for (i = 0; i < hdrs_arr->nelts; ++i) {
+		rv = bputh(s, strlen(hdrs[i].key));     /* length */
+		if (rv) return rv;
+		rv = bputs(s, hdrs[i].key);             /* key */
+		if (rv) return rv;
+		rv = bputh(s, strlen(hdrs[i].val));     /* length */
+		if (rv) return rv;
+		rv = bputs(s, hdrs[i].val);             /* data */
+		if (rv) return rv;
+	}
+
+	return APR_SUCCESS;
+}
+
+static apr_status_t send_request_body(request_rec *r, struct sockbuff *s)
+{
+	if (ap_should_client_block(r)) {
+		char buf[BUFFER_SIZE];
+		apr_status_t rv;
+		apr_off_t len;
+
+		while ((len = ap_get_client_block(r, buf, sizeof buf)) > 0) {
+			if ((rv = bwrite(s, buf, len))) return rv;
+		}
+		if (len == -1)
+			return HTTP_INTERNAL_SERVER_ERROR; /* what to return? */
+	}
+	return APR_SUCCESS;
+}
+
+static int uwsgi_handler(request_rec *r)
+{
+	apr_status_t rv = 0;
+	int cgi_mode, http_status = 0;
+	struct sockbuff s;
+	apr_socket_t *sock;
+	apr_bucket_brigade *bb = NULL;
+	apr_bucket *b          = NULL;
+	const char *location;
+	uwsgi_cfg *cfg = our_dconfig(r);
+	uwsgi_server_cfg *scfg = our_sconfig(r->server);
+
+	if (strcmp(r->handler, "uwsgi-handler"))
+		return DECLINED;
+
+	http_status = ap_setup_client_block(r, REQUEST_CHUNKED_ERROR);
+	if (http_status != OK)
+		return http_status;
+
+	log_debug(APLOG_MARK, r, "connecting to server");
+
+	rv = open_socket(&sock, r);
+	if (rv) {
+		return HTTP_INTERNAL_SERVER_ERROR;
+	}
+
+	binit(&s, sock);
+
+	rv = send_headers(r, &s);
+	if (rv) {
+		log_err(APLOG_MARK, r, rv, "error sending request headers");
+		return HTTP_INTERNAL_SERVER_ERROR;
+	}
+
+	rv = send_request_body(r, &s);
+	if (rv) {
+		log_err(APLOG_MARK, r, rv, "error sending request body");
+		return HTTP_INTERNAL_SERVER_ERROR;
+	}
+
+	rv = bflush(&s);
+	if (rv) {
+		log_err(APLOG_MARK, r, rv, "error sending request");
+		return HTTP_INTERNAL_SERVER_ERROR;
+	}
+
+
+	log_debug(APLOG_MARK, r, "reading response headers");
+	bb = apr_brigade_create(r->connection->pool, r->connection->bucket_alloc);
+
+	cgi_mode = CONFIG_VALUE(cfg->cgi_mode, CONFIG_VALUE(scfg->cgi_mode, DEFAULT_CGIMODE));
+	if (!cgi_mode) {
+
+		/* receive implemented with http-0.9 based protocol */
+		apr_interval_time_t timeout;
+		char buf[4096];
+		apr_pollfd_t pollfd = {r->pool, APR_POLL_SOCKET, APR_POLLIN, 0, { NULL }, NULL };
+		pollfd.desc.s = sock;
+		timeout = CONFIG_VALUE(cfg->timeout, CONFIG_VALUE(scfg->timeout,
+					DEFAULT_TIMEOUT)) * 1000 * 1000;
+		r->assbackwards = 1;       /* XXX */
+
+		for(;;) {
+			apr_int32_t nsds;
+			apr_size_t len;
+
+			if ((rv = apr_poll(&pollfd, 1, &nsds, timeout)) == APR_TIMEUP) {
+				ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, "uwsgi: recv() timeout");
+				break;
+			}
+			if (rv != APR_SUCCESS) {
+				ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, "uwsgi: poll() %s", strerror(errno));
+				break;
+			}
+
+			len = 4096;
+			rv = apr_socket_recv(sock, buf, &len);
+			if (rv == APR_SUCCESS) {
+				apr_brigade_write(bb, NULL, NULL, buf, len);
+			}
+			else if (rv == APR_EOF) {
+				break;
+			}
+			else {
+				ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, "uwsgi: recv() %s", strerror(errno));
+			}
+
+		}
+		log_debug(APLOG_MARK,r, "recv finished");
+		b = apr_bucket_flush_create(r->connection->bucket_alloc);
+		APR_BRIGADE_INSERT_TAIL(bb, b);
+		b = apr_bucket_eos_create(r->connection->bucket_alloc);
+		APR_BRIGADE_INSERT_TAIL(bb, b);
+
+	} else {
+
+		/* receive implemented with http-1.x based protocol */
+		b = apr_bucket_socket_create(sock, r->connection->bucket_alloc);
+		APR_BRIGADE_INSERT_TAIL(bb, b);
+		b = apr_bucket_eos_create(r->connection->bucket_alloc);
+		APR_BRIGADE_INSERT_TAIL(bb, b);
+
+		rv = ap_scan_script_header_err_brigade(r, bb, NULL);
+		if (rv) {
+			if (rv == HTTP_INTERNAL_SERVER_ERROR) {
+				log_err(APLOG_MARK, r, rv, "error reading response headers");
+			}
+			else {
+				/* Work around an Apache bug whereby the returned status is
+				 * ignored and status_line is used instead.  This bug is
+				 * present at least in 2.0.54.
+				 */
+				r->status_line = NULL;
+			}
+			apr_brigade_destroy(bb);
+			return rv;
+		}
+
+		location = apr_table_get(r->headers_out, "Location");
+
+		if (location && location[0] == '/' &&
+				((r->status == HTTP_OK) || ap_is_HTTP_REDIRECT(r->status))) {
+
+			apr_brigade_destroy(bb);
+
+			/* Internal redirect -- fake-up a pseudo-request */
+			r->status = HTTP_OK;
+
+			/* This redirect needs to be a GET no matter what the original
+			 * method was.
+			 */
+			r->method = apr_pstrdup(r->pool, "GET");
+			r->method_number = M_GET;
+
+			ap_internal_redirect_handler(location, r);
+			return OK;
+		}
+	}
+
+	rv = ap_pass_brigade(r->output_filters, bb);
+	if (rv) {
+		log_err(APLOG_MARK, r, rv, "ap_pass_brigade()");
+		return HTTP_INTERNAL_SERVER_ERROR;
+	}
+
+	return OK;
+}
+
+
+static int uwsgi_init(apr_pool_t *p, apr_pool_t *plog, apr_pool_t *ptemp,
+		server_rec *base_server)
+{
+	ap_add_version_component(p, "mod_uwsgi/" MOD_UWSGI_VERSION);
+	return OK;
+}
+
+	static void *
+uwsgi_create_dir_config(apr_pool_t *p, char *dirspec)
+{
+	uwsgi_cfg *cfg = apr_pcalloc(p, sizeof(uwsgi_cfg));
+
+	cfg->enabled = UNSET;
+	cfg->mount.addr = UNSET;
+	cfg->mount.port = UNSET;
+	cfg->timeout = UNSET;
+	cfg->cgi_mode = UNSET;
+	cfg->modifier1 = UNSET;
+	cfg->modifier2 = UNSET;
+
+	return cfg;
+}
+
+#define MERGE(b, n, a) (n->a == UNSET ? b->a : n->a)
+
+	static void *
+uwsgi_merge_dir_config(apr_pool_t *p, void *basev, void *newv)
+{
+	uwsgi_cfg* cfg = apr_pcalloc(p, sizeof(uwsgi_cfg));
+	uwsgi_cfg* base = basev;
+	uwsgi_cfg* new = newv;
+
+	cfg->enabled = MERGE(base, new, enabled);
+	cfg->mount.addr = MERGE(base, new, mount.addr);
+	cfg->mount.port = MERGE(base, new, mount.port);
+	cfg->timeout = MERGE(base, new, timeout);
+	cfg->cgi_mode = MERGE(base, new, cgi_mode);
+	cfg->modifier1 = MERGE(base, new, modifier1);
+	cfg->modifier2 = MERGE(base, new, modifier2);
+
+	return cfg;
+}
+
+	static void *
+uwsgi_create_server_config(apr_pool_t *p, server_rec *s)
+{
+	uwsgi_server_cfg *c =
+		(uwsgi_server_cfg *) apr_pcalloc(p, sizeof(uwsgi_server_cfg));
+
+	c->mounts = apr_array_make(p, 20, sizeof(mount_entry));
+	c->timeout = UNSET;
+	c->cgi_mode = UNSET;
+	return c;
+}
+
+	static void *
+uwsgi_merge_server_config(apr_pool_t *p, void *basev, void *overridesv)
+{
+	uwsgi_server_cfg *c = (uwsgi_server_cfg *)
+		apr_pcalloc(p, sizeof(uwsgi_server_cfg));
+	uwsgi_server_cfg *base = (uwsgi_server_cfg *) basev;
+	uwsgi_server_cfg *overrides = (uwsgi_server_cfg *) overridesv;
+
+	c->mounts = apr_array_append(p, overrides->mounts, base->mounts);
+	c->timeout = MERGE(base, overrides, timeout);
+	c->cgi_mode = MERGE(base, overrides, cgi_mode);
+	return c;
+}
+
+	static const char *
+cmd_uwsgi_mount(cmd_parms *cmd, void *dummy, const char *path, const char *addr)
+{
+	int n;
+	apr_status_t rv;
+	char *scope_id = NULL; /* A ip6 parameter - not used here. */
+	uwsgi_server_cfg *scfg = our_sconfig(cmd->server);
+	mount_entry *new = apr_array_push(scfg->mounts);
+	n = strlen(path);
+	while (n > 0 && path[n-1] == '/') {
+		n--; /* strip trailing slashes */
+	}
+	new->path = apr_pstrndup(cmd->pool, path, n);
+	rv = apr_parse_addr_port(&new->addr, &scope_id, &new->port, addr,
+			cmd->pool);
+	if (rv)
+		return "error parsing address:port string";
+	return NULL;
+}
+
+	static const char *
+cmd_uwsgi_server(cmd_parms *cmd, void *pcfg, const char *addr_and_port)
+{
+	apr_status_t rv;
+	uwsgi_cfg *cfg = pcfg;
+	char *scope_id = NULL; /* A ip6 parameter - not used here. */
+
+	if (cmd->path == NULL)
+		return "not a server command";
+
+	rv = apr_parse_addr_port(&cfg->mount.addr, &scope_id, &cfg->mount.port,
+			addr_and_port, cmd->pool);
+	if (rv)
+		return "error parsing address:port string";
+
+	return NULL;
+}
+
+	static const char *
+cmd_uwsgi_handler(cmd_parms* cmd, void* pcfg, int flag)
+{
+	uwsgi_cfg *cfg = pcfg;
+
+	if (cmd->path == NULL) /* server command */
+		return "not a server command";
+
+	if (flag)
+		cfg->enabled = ENABLED;
+	else
+		cfg->enabled = DISABLED;
+
+	return NULL;
+}
+
+	static const char *
+cmd_uwsgi_timeout(cmd_parms *cmd, void* pcfg, const char *strtimeout)
+{
+	uwsgi_cfg *dcfg = pcfg;
+	int timeout = atoi(strtimeout);
+
+	if (cmd->path == NULL) {
+		uwsgi_server_cfg *scfg = our_sconfig(cmd->server);
+		scfg->timeout = timeout;
+	}
+	else {
+		dcfg->timeout = timeout;
+	}
+
+	return NULL;
+}
+
+	static const char *
+cmd_uwsgi_force_cgi_mode(cmd_parms *cmd, void *pcfg, const char *value)
+{
+	int cgi_mode;
+
+	if (!strcmp("yes", value) || !strcmp("on", value) || !strcmp("enable", value) || !strcmp("1", value)) {
+		cgi_mode = 1;
+	}
+	else {
+		cgi_mode = 0;
+	}
+
+	if (cmd->path == NULL) {
+		uwsgi_server_cfg *scfg = our_sconfig(cmd->server);
+		scfg->cgi_mode = cgi_mode;
+	}
+	else {
+		uwsgi_cfg *dcfg = pcfg;
+		dcfg->cgi_mode = cgi_mode;
+	}
+
+	return NULL;
+}
+
+	static const char *
+cmd_uwsgi_modifier1(cmd_parms *cmd, void *pcfg, const char *value)
+{
+	uwsgi_cfg *cfg = pcfg;
+	int val;
+
+	if (cmd->path == NULL) /* server command */
+		return "not a server command";
+
+	val = atoi(value);
+	if (val < 0 || val > 255) {
+		return "ignored uWSGImodifier1. Value must be between 0 and 255";
+	}
+	else {
+		cfg->modifier1 = (uint8_t) val;
+	}
+
+	return NULL;
+}
+
+	static const char *
+cmd_uwsgi_modifier2(cmd_parms *cmd, void *pcfg, const char *value)
+{
+	uwsgi_cfg *cfg = pcfg;
+	int val;
+
+	if (cmd->path == NULL) /* server command */
+		return "not a server command";
+
+	val = atoi(value);
+	if (val < 0 || val > 255) {
+		return "ignored uWSGImodifier2. Value must be between 0 and 255";
+	}
+	else {
+		cfg->modifier2 = (uint8_t) val;
+	}
+
+	return NULL;
+}
+
+static const command_rec uwsgi_cmds[] = {
+	AP_INIT_TAKE2("uWSGImount", cmd_uwsgi_mount, NULL, RSRC_CONF,
+			"path prefix and address of UWSGI server"),
+	AP_INIT_TAKE1("uWSGIserver", cmd_uwsgi_server, NULL, ACCESS_CONF,
+			"Address and port of an UWSGI server (e.g. localhost:4000)"),
+	AP_INIT_FLAG( "uWSGIhandler", cmd_uwsgi_handler, NULL, ACCESS_CONF,
+			"On or Off to enable or disable the UWSGI handler"),
+	AP_INIT_TAKE1("uWSGIserverTimeout", cmd_uwsgi_timeout, NULL, ACCESS_CONF|RSRC_CONF,
+			"Timeout (in seconds) for communication with the UWSGI server."),
+	AP_INIT_TAKE1("uWSGIforceCGImode", cmd_uwsgi_force_cgi_mode, NULL, ACCESS_CONF|RSRC_CONF,
+			"Force uWSGI CGI mode for perfect integration with apache filter"),
+	AP_INIT_TAKE1("uWSGImodifier1", cmd_uwsgi_modifier1, NULL, ACCESS_CONF,
+			"Set uWSGI modifier1"),
+	AP_INIT_TAKE1("uWSGImodifier2", cmd_uwsgi_modifier2, NULL, ACCESS_CONF,
+			"Set uWSGI modifier2"),
+	/*
+	   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"),
+	   AP_INIT_TAKE1("uWSGIforceScriptName", cmd_uwsgi_force_script_name, NULL, ACCESS_CONF,
+	   "Fix for PATH_INFO/SCRIPT_NAME when the location has filesystem correspondence"),
+	   */
+	{NULL}
+};
+
+static void uwsgi_register_hooks(apr_pool_t *p)
+{
+	ap_hook_post_config(uwsgi_init, NULL, NULL, APR_HOOK_MIDDLE);
+	ap_hook_handler(uwsgi_handler, NULL, NULL, APR_HOOK_MIDDLE);
+	ap_hook_translate_name(uwsgi_translate, NULL, NULL, APR_HOOK_LAST);
+	ap_hook_map_to_storage(uwsgi_map_location, NULL, NULL, APR_HOOK_FIRST);
+}
+
+/* Dispatch list for API hooks */
+module AP_MODULE_DECLARE_DATA uwsgi_module = {
+	STANDARD20_MODULE_STUFF,
+	uwsgi_create_dir_config,       /* create per-dir config structs */
+	uwsgi_merge_dir_config,        /* merge per-dir config structs */
+	uwsgi_create_server_config,    /* create per-server config structs */
+	uwsgi_merge_server_config,     /* merge per-server config structs */
+	uwsgi_cmds,                    /* table of config file commands */
+	uwsgi_register_hooks,          /* register hooks */
+};
+

apache2/mod_uwsgi.c

@@ -1,18 +1,18 @@
 /* 
         
-    *** uWSGI/mod_uwsgi ***
+*** uWSGI/mod_uwsgi ***
 
-    Copyright 2009 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
-    as published by the Free Software Foundation; either version 2
-    of the License, or (at your option) any later version.
+Copyright 2009-2010 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
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
@@ -24,8 +24,8 @@ To compile:
 	apxs2 -i -c mod_uwsgi.c
 (OSX)
 	sudo apxs -i -a -c mod_uwsgi.c
-(OSX 64bit)
-	sudo apxs -i -a -c -Wc,'-arch x86_64' -Wl,'-arch x86_64' mod_uwsgi.c
+(OSX Universal binary)
+	sudo apxs -i -a -c -Wc,"-arch ppc -arch i386 -arch x86_64" -Wl,"-arch ppc -arch i386 -arch x86_64" mod_uwsgi.c
 
 
 Configure:
@@ -71,25 +71,73 @@ typedef struct {
 	uint8_t modifier1;
 	uint8_t modifier2;
 	char script_name[256];
+	char scheme[9];
 	int cgi_mode ;
 } uwsgi_cfg;
 
 module AP_MODULE_DECLARE_DATA uwsgi_module;
 
+#if APR_IS_BIGENDIAN
+static uint16_t uwsgi_swap16(uint16_t x) {
+	return (uint16_t) ((x & 0xff) << 8 | (x & 0xff00) >> 8);
+}
+#endif
+
 static int uwsgi_add_var(struct iovec *vec, int i, char *key, char *value, uint16_t *pkt_size) {
 
-	vec[i].iov_base = &vec[i+1].iov_len ;
-	vec[i].iov_len = 2 ;
+
+#if APR_IS_BIGENDIAN
+	char *ptr;
+	vec[i+2].iov_base = key ;
+	vec[i+2].iov_len = strlen(key) ;
+#else
 	vec[i+1].iov_base = key ;
 	vec[i+1].iov_len = strlen(key) ;
-	vec[i+2].iov_base = &vec[i+3].iov_len ;
-	vec[i+2].iov_len = 2 ;
-	vec[i+3].iov_base = value ;
-	vec[i+3].iov_len = strlen(value) ;
+#endif
 
+#if APR_IS_BIGENDIAN
+	ptr = (char *) &vec[i+2].iov_len;
+	vec[i].iov_base = ptr+sizeof(long)-1 ;
+	vec[i].iov_len = 1 ;
+	vec[i+1].iov_base = ptr+sizeof(long)-2 ;
+	vec[i+1].iov_len = 1 ;
+#else
+	vec[i].iov_base = &vec[i+1].iov_len ;
+	vec[i].iov_len = 2 ;
+#endif
+
+
+#if APR_IS_BIGENDIAN
+        vec[i+5].iov_base = value ;
+        vec[i+5].iov_len = strlen(value) ;
+#else
+        vec[i+3].iov_base = value ;
+        vec[i+3].iov_len = strlen(value) ;
+#endif
+
+#if APR_IS_BIGENDIAN
+	ptr = (char *) &vec[i+5].iov_len;
+        vec[i+3].iov_base = ptr+sizeof(long)-1 ;
+        vec[i+3].iov_len = 1 ;
+        vec[i+4].iov_base = ptr+sizeof(long)-2 ;
+        vec[i+4].iov_len = 1 ;
+#else
+        vec[i+2].iov_base = &vec[i+3].iov_len ;
+        vec[i+2].iov_len = 2 ;
+#endif
+
+
+#if APR_IS_BIGENDIAN
+	*pkt_size+= vec[i+2].iov_len + vec[i+5].iov_len + 4 ;
+#else
 	*pkt_size+= vec[i+1].iov_len + vec[i+3].iov_len + 4 ;
+#endif
 
+#if APR_IS_BIGENDIAN
+	return i+6;
+#else
 	return i+4;
+#endif
 }
 
 static void *uwsgi_server_config(apr_pool_t *p, server_rec *s) {
@@ -195,12 +243,17 @@ static int uwsgi_handler(request_rec *r) {
 
 	uwsgi_cfg *c = ap_get_module_config(r->per_dir_config, &uwsgi_module);
 
+#if APR_IS_BIGENDIAN
+	struct iovec uwsgi_vars[(MAX_VARS*6)+1] ;
+#else
 	struct iovec uwsgi_vars[(MAX_VARS*4)+1] ;
+#endif
 	int vecptr = 1 ;
 	char pkt_header[4];
 	uint16_t pkt_size = 0;
 	char buf[4096] ;
-	int cnt,i ;
+	int i ;
+	ssize_t cnt ;
 	const apr_array_header_t *headers;
 	apr_table_entry_t *h;
 	char *penv, *cp;
@@ -211,7 +264,6 @@ static int uwsgi_handler(request_rec *r) {
 	char uwsgi_http_status[13] ;
 	int uwsgi_http_status_read = 0;
 	
-
 	apr_bucket_brigade *bb;
 
 	if (strcmp(r->handler, "uwsgi-handler"))
@@ -234,7 +286,6 @@ static int uwsgi_handler(request_rec *r) {
 		return HTTP_INTERNAL_SERVER_ERROR;
 	}
 
-
 	if ( (ret = timed_connect(&uwsgi_poll, (struct sockaddr *) &c->s_addr, c->addr_size, c->socket_timeout, r) ) != 0) {
 
 		close(uwsgi_poll.fd);
@@ -270,11 +321,18 @@ static int uwsgi_handler(request_rec *r) {
 	vecptr = uwsgi_add_var(uwsgi_vars, vecptr, "SERVER_NAME", (char *) ap_get_server_name(r), &pkt_size) ;
 	vecptr = uwsgi_add_var(uwsgi_vars, vecptr, "SERVER_PORT", apr_psprintf(r->pool, "%u",ap_get_server_port(r)), &pkt_size) ;
 	vecptr = uwsgi_add_var(uwsgi_vars, vecptr, "SERVER_PROTOCOL", r->protocol, &pkt_size) ;
-	vecptr = uwsgi_add_var(uwsgi_vars, vecptr, "REQUEST_URI", r->uri, &pkt_size) ;
+	vecptr = uwsgi_add_var(uwsgi_vars, vecptr, "REQUEST_URI", r->unparsed_uri, &pkt_size) ;
 	vecptr = uwsgi_add_var(uwsgi_vars, vecptr, "REMOTE_ADDR", r->connection->remote_ip, &pkt_size) ;
-	vecptr = uwsgi_add_var(uwsgi_vars, vecptr, "REMOTE_USER", r->user ? r->args : "", &pkt_size) ;
+	vecptr = uwsgi_add_var(uwsgi_vars, vecptr, "REMOTE_USER", r->user ? r->user : "", &pkt_size) ;
+	if (r->user) {
+		vecptr = uwsgi_add_var(uwsgi_vars, vecptr, "AUTH_TYPE", (char *) ap_auth_type(r), &pkt_size) ;
+	}
 	vecptr = uwsgi_add_var(uwsgi_vars, vecptr, "DOCUMENT_ROOT", (char *) ap_document_root(r), &pkt_size) ;
 
+	if (c->scheme[0] != 0) {
+		vecptr = uwsgi_add_var(uwsgi_vars, vecptr, "UWSGI_SCHEME", c->scheme, &pkt_size) ;
+	}
+
 	if (c->script_name[0] == '/') {
 		if (c->script_name[1] == 0) {
 			vecptr = uwsgi_add_var(uwsgi_vars, vecptr, "SCRIPT_NAME", "", &pkt_size) ;
@@ -302,6 +360,7 @@ static int uwsgi_handler(request_rec *r) {
 		}
 	}
 
+
 	headers = apr_table_elts(r->headers_in);
 	h = (apr_table_entry_t *) headers->elts;
 
@@ -333,13 +392,26 @@ static int uwsgi_handler(request_rec *r) {
 			}
 		}
 	}
+
+	/* environment variables */
+	headers = apr_table_elts(r->subprocess_env);
+	h = (apr_table_entry_t*) headers->elts;
+	for (i = 0; i < headers->nelts; ++i) {
+		vecptr = uwsgi_add_var(uwsgi_vars, vecptr, h[i].key, h[i].val, &pkt_size) ;
+	}	
 	
 
 	uwsgi_vars[0].iov_base = pkt_header;
 	uwsgi_vars[0].iov_len = 4;
 
 	pkt_header[0] = c->modifier1 ;
+#if APR_IS_BIGENDIAN
+	pkt_size = uwsgi_swap16(pkt_size);
 	memcpy(pkt_header+1, &pkt_size, 2);
+	pkt_size = uwsgi_swap16(pkt_size);
+#else
+	memcpy(pkt_header+1, &pkt_size, 2);
+#endif
 	pkt_header[3] = c->modifier2 ;
 
 	cnt = writev( uwsgi_poll.fd, uwsgi_vars, vecptr );
@@ -354,6 +426,7 @@ static int uwsgi_handler(request_rec *r) {
 		return HTTP_INTERNAL_SERVER_ERROR;
 	}
 
+
 	
 	if (ap_should_client_block(r)) {
 		while ((cnt = ap_get_client_block(r, buf, 4096)) > 0) {
@@ -366,62 +439,92 @@ static int uwsgi_handler(request_rec *r) {
 		}
 	}
 
+
 	if (!c->cgi_mode) {
 		r->assbackwards = 1 ;
-		uwsgi_http_status[13] = 0 ;
+		uwsgi_http_status[12] = 0 ;
 	}
 
+	
 	bb = apr_brigade_create(r->pool, r->connection->bucket_alloc);
 
 	uwsgi_poll.events = POLLIN ;
 
+
+
 	for(;;) {
 		/* put -1 to disable timeout on zero */
 		cnt = poll(&uwsgi_poll, 1, (c->socket_timeout*1000)-1) ;
 		if (cnt == 0) {
 			ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, "uwsgi: recv() timeout");
-			break;
+			apr_brigade_destroy(bb);
+			return HTTP_INTERNAL_SERVER_ERROR;
 		}
 		else if (cnt > 0) {
-			cnt = recv(uwsgi_poll.fd, buf, 4096, 0) ;
-			if (cnt > 0) {
-				if (!c->cgi_mode && uwsgi_http_status_read < 12) {
-	                        	if (uwsgi_http_status_read + cnt >= 12) {
-                                        	memcpy(uwsgi_http_status+uwsgi_http_status_read, buf, 12-uwsgi_http_status_read);
-                                                r->status = atoi(uwsgi_http_status+8);
-                				uwsgi_http_status_read+=cnt;
-                                        }
-                                        else {
-	                                	memcpy(uwsgi_http_status+uwsgi_http_status_read, buf, cnt);
-                                        	uwsgi_http_status_read+=cnt;
-                                        }
-                                }
-				apr_brigade_write(bb, NULL, NULL, buf, cnt);
-			}
-			else if (cnt == 0) {
-				break;
-			}
-			else {
-				ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, "uwsgi: recv() %s", strerror(errno));
+			if (uwsgi_poll.revents & POLLIN || uwsgi_poll.revents & POLLHUP) {
+				cnt = recv(uwsgi_poll.fd, buf, 4096, 0) ;
+				if (cnt < 0) {
+					if (errno != ECONNRESET) {
+						ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, "uwsgi: recv() %s", strerror(errno));
+						apr_brigade_destroy(bb);
+						return HTTP_INTERNAL_SERVER_ERROR;
+					}
+					else {
+						break;
+					}
+				}
+				else if (cnt > 0) {
+					if (!c->cgi_mode && uwsgi_http_status_read < 12) {
+	                        		if (uwsgi_http_status_read + cnt >= 12) {
+                                        		memcpy(uwsgi_http_status+uwsgi_http_status_read, buf, 12-uwsgi_http_status_read);
+                                                	r->status = atoi(uwsgi_http_status+8);
+                					uwsgi_http_status_read+=cnt;
+                                        	}
+                                        	else {
+	                                		memcpy(uwsgi_http_status+uwsgi_http_status_read, buf, cnt);
+                                        		uwsgi_http_status_read+=cnt;
+                                        	}
+                                	}
+					// check for client disconnect
+					if (r->connection->aborted) { 
+						close(uwsgi_poll.fd);
+						apr_brigade_destroy(bb);
+						return HTTP_INTERNAL_SERVER_ERROR;
+					}
+					apr_brigade_write(bb, NULL, NULL, buf, cnt);
+				}
+				else {
+					// EOF
+					break;
+				}
 			}
+
+			// error
+			if (uwsgi_poll.revents & POLLERR || uwsgi_poll.revents & POLLNVAL) {
+                                break;
+                        }
 		}
 		else {
 			ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, "uwsgi: poll() %s", strerror(errno));
-			break;
+			close(uwsgi_poll.fd);
+			apr_brigade_destroy(bb);
+			return HTTP_INTERNAL_SERVER_ERROR;
 		}
 	}
 
 
 	close(uwsgi_poll.fd);
 
+
+	b = apr_bucket_eos_create(r->connection->bucket_alloc);
+    	APR_BRIGADE_INSERT_TAIL(bb, b);
+
 	if (!c->cgi_mode) {
 		if (uwsgi_http_status_read == 0) {
 			return HTTP_INTERNAL_SERVER_ERROR;
 		}
 	}
 	else {
-		b = apr_bucket_eos_create(r->connection->bucket_alloc);
-    		APR_BRIGADE_INSERT_TAIL(bb, b);
 
 		if (hret = ap_scan_script_header_err_brigade(r, bb, NULL)) {
 			apr_brigade_destroy(bb);
@@ -429,7 +532,8 @@ static int uwsgi_handler(request_rec *r) {
 		}
 	}
 
-	return ap_pass_brigade(r->output_filters, bb);
+
+	return ap_pass_brigade(r->output_filters, bb) ;
 }
 
 static const char * cmd_uwsgi_force_script_name(cmd_parms *cmd, void *cfg, const char *location) {
@@ -446,6 +550,20 @@ static const char * cmd_uwsgi_force_script_name(cmd_parms *cmd, void *cfg, const
 
 }
 
+static const char * cmd_uwsgi_force_wsgi_scheme(cmd_parms *cmd, void *cfg, const char *scheme) {
+	uwsgi_cfg *c = cfg;
+
+	if (strlen(scheme) < 9 & strlen(scheme) > 0) {
+		strcpy(c->scheme, scheme);
+	}
+	else {
+		return "ignored uWSGIforceWSGIscheme. Invalid size (max 8 chars)" ;
+	}
+
+	return NULL ;
+
+}
+
 static const char * cmd_uwsgi_modifier1(cmd_parms *cmd, void *cfg, const char *value) {
 
         uwsgi_cfg *c ;
@@ -588,6 +706,7 @@ static const command_rec uwsgi_cmds[] = {
 	AP_INIT_TAKE1("uWSGImodifier2", cmd_uwsgi_modifier2, NULL, RSRC_CONF|ACCESS_CONF, "Set uWSGI modifier2"),	
 	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\")"),	
 	{NULL}
 };
 

async.c

@@ -0,0 +1,201 @@
+#include "uwsgi.h"
+
+extern struct uwsgi_server uwsgi;
+
+int async_get_timeout() {
+
+        struct wsgi_request* wsgi_req ;
+        int i ;
+	time_t curtime, tdelta = 0 ;
+	int ret = 0 ;
+
+	// do not wait if there are cores running
+	if (!uwsgi.async_running) return 0;
+
+        for(i=0;i<uwsgi.async_current_max;i++) {
+		wsgi_req = uwsgi.wsgi_requests[i];
+                if (wsgi_req->async_status == UWSGI_AGAIN) {
+			if (wsgi_req->async_timeout_expired) {
+				// do not wait if there are timeout expired
+				return 0;
+			}
+			if (wsgi_req->async_timeout > 0) {
+				if (tdelta <= 0 || tdelta > wsgi_req->async_timeout) {
+					tdelta = wsgi_req->async_timeout ;
+				}
+			}
+                }
+        }
+
+	curtime = time(NULL);
+
+	ret = tdelta - curtime ;
+	if (ret > 0) {
+		return ret;
+	}
+	
+	return -1;
+}
+
+void async_expire_timeouts() {
+
+        struct wsgi_request* wsgi_req ;
+        int i ;
+	time_t deadline = time(NULL);
+
+
+        for(i=0;i<uwsgi.async_current_max;i++) {
+                wsgi_req = uwsgi.wsgi_requests[i] ;
+
+                if (wsgi_req->async_status == UWSGI_AGAIN && wsgi_req->async_timeout > 0) {
+			if (wsgi_req->async_timeout <= deadline) {
+				wsgi_req->async_timeout = 0 ;
+				wsgi_req->async_timeout_expired = 1 ;
+				if (wsgi_req->async_waiting_fd != -1) {
+                                        event_queue_del_fd(uwsgi.async_queue, wsgi_req->async_waiting_fd);
+					uwsgi.async_waiting_fd_table[wsgi_req->async_waiting_fd] = -1;
+                                        wsgi_req->async_waiting_fd = -1;
+                                        wsgi_req->async_waiting_fd_monitored = 0;
+                                }
+			}	
+                }
+        }
+}
+
+struct wsgi_request *find_first_available_wsgi_req() {
+
+        struct wsgi_request* wsgi_req;
+        int i ;
+
+	// optimization
+	if (uwsgi.async_current_max > 1) {
+		if (uwsgi.wsgi_requests[uwsgi.async_current_max-1]->async_status == UWSGI_OK) {
+			//uwsgi_log("decreasing current max cores\n");
+			uwsgi.async_current_max--;
+		}
+	}
+
+        for(i=0;i<uwsgi.async;i++) {
+                wsgi_req = uwsgi.wsgi_requests[i] ;
+                if (wsgi_req->async_status == UWSGI_OK) {
+			// optimization
+			if (i > uwsgi.async_current_max-1) uwsgi.async_current_max = i+1;
+			wsgi_req->async_id = i;
+                        return wsgi_req ;
+                }
+        }
+
+        return NULL ;
+}
+
+struct wsgi_request *find_wsgi_req_by_fd(int fd) {
+
+        struct wsgi_request* wsgi_req = NULL ;
+	int core_id = uwsgi.async_waiting_fd_table[fd];
+
+	if (core_id == -1) return NULL;
+
+	wsgi_req = uwsgi.wsgi_requests[core_id];
+        //if (wsgi_req->async_waiting_fd_type == etype) return wsgi_req ;
+	return wsgi_req;
+
+        return NULL ;
+
+}
+
+void async_set_timeout(struct wsgi_request *wsgi_req, time_t timeout) {
+
+	wsgi_req->async_timeout = time(NULL);
+	wsgi_req->async_timeout += timeout;
+	wsgi_req->async_timeout_expired = 0 ;
+	
+}
+
+void async_write_all(char *data, size_t len) {
+	
+	struct wsgi_request *wsgi_req;
+	int i;
+	ssize_t rlen ;
+
+	for(i=0;i<uwsgi.async_current_max;i++) {
+		wsgi_req = uwsgi.wsgi_requests[i];
+                if (wsgi_req->async_status == UWSGI_PAUSED) {
+			rlen = write(wsgi_req->poll.fd, data, len);
+			if (rlen < 0) {
+				uwsgi_error("write()");
+			}
+			else {
+				wsgi_req->response_size += rlen ;
+			}
+		}
+	}
+}
+
+void async_unpause_all() {
+	
+	struct wsgi_request *wsgi_req ;
+	int i;
+
+	for(i=0;i<uwsgi.async_current_max;i++) {
+		wsgi_req = uwsgi.wsgi_requests[i];
+                if (wsgi_req->async_status == UWSGI_PAUSED) {
+			wsgi_req->async_status = UWSGI_AGAIN;
+		}
+	}
+}
+
+struct wsgi_request * async_loop() {
+
+	struct wsgi_request *wsgi_req ;
+	int i ;
+	int ret;
+
+	uwsgi.async_running = -1 ;
+
+	for(i=0;i<uwsgi.async_current_max;i++) {
+		wsgi_req = uwsgi.wsgi_requests[i];
+        	if (wsgi_req->async_status == UWSGI_AGAIN) {
+			if (wsgi_req->sigwait) {
+				uwsgi_log("waiting for signal\n");
+				continue;
+			}
+                	else if (wsgi_req->async_waiting_fd != -1 && !wsgi_req->async_waiting_fd_monitored) {
+				// add fd to monitoring
+				ret = -1;
+				if (wsgi_req->async_waiting_fd_type == ASYNC_IN) {
+					ret = event_queue_add_fd_read(uwsgi.async_queue, wsgi_req->async_waiting_fd);
+				}
+				else if (wsgi_req->async_waiting_fd_type == ASYNC_OUT) {
+					ret = event_queue_add_fd_write(uwsgi.async_queue, wsgi_req->async_waiting_fd);
+				}
+
+				if (ret < 0) {
+					// error adding fd to the async queue, better to close it...
+					close(wsgi_req->async_waiting_fd);
+					wsgi_req->async_status = UWSGI_OK ;
+					return wsgi_req;
+				}
+				uwsgi.async_waiting_fd_table[wsgi_req->async_waiting_fd] = wsgi_req->async_id;
+				wsgi_req->async_waiting_fd_monitored = 1;
+				wsgi_req->async_status = UWSGI_AGAIN;
+			}
+			else if (wsgi_req->async_waiting_fd == -1 && wsgi_req->async_timeout <= 0) {
+                		uwsgi.async_running = 0 ;
+				// st global wsgi_req
+				uwsgi.wsgi_req = wsgi_req ;
+
+				uwsgi_log("!!! getting new part\n");
+				wsgi_req->async_status = uwsgi.p[wsgi_req->uh.modifier1]->request(wsgi_req);;
+
+				wsgi_req->switches++;
+
+				if (wsgi_req->async_status < UWSGI_AGAIN) {
+					return wsgi_req;
+				}
+			}
+		}
+	}
+
+	return NULL;
+
+}

base.mk

@@ -1,25 +0,0 @@
-all:	clean uwsgi
-
-uwsgi:  utils.o protocol.o socket.o pymodule.o spooler.o main.o
-	$(CC) $(LD_FLAGS) utils.o protocol.o socket.o spooler.o pymodule.o main.o -o $(PROGRAM)
-
-utils.o: utils.c
-	$(CC) -c $(CFLAGS) utils.c
-
-protocol.o: protocol.c
-	$(CC) -c $(CFLAGS) protocol.c
-
-socket.o: socket.c
-	$(CC) -c $(CFLAGS) socket.c
-
-spooler.o: spooler.c
-	$(CC) -c $(CFLAGS) spooler.c
-
-pymodule.o: uwsgi_pymodule.c
-	$(CC) -c $(CFLAGS) -o pymodule.o uwsgi_pymodule.c
-
-main.o: uwsgi.c
-	$(CC) -c $(CFLAGS) -o main.o uwsgi.c
-        
-clean:
-	rm -f utils.o protocol.o socket.o pymodule.o spooler.o main.o

buildconf/core.ini

@@ -0,0 +1,3 @@
+[uwsgi]
+inherit = default
+embedded_plugins = null

buildconf/default.ini

@@ -0,0 +1,34 @@
+[uwsgi]
+xml = true
+ini = true
+yaml = true
+snmp = true
+sctp = false
+spooler = true
+embedded = true
+udp = true
+multicast = true
+threading = true
+sendfile = true
+minterpreters = true
+async = true
+evdis = false
+ldap = false
+pcre = auto
+stackless = false
+debug = false
+unbit = false
+xml_implementation = libxml2
+plugins =
+bin_name = uwsgi
+plugin_dir = .
+embedded_plugins = python, ping, nagios, rpc, fastrouter, http
+
+locking = auto
+event = auto
+timer = auto
+filemonitor = auto
+
+[python]
+paste = true
+web3 = true

buildconf/erlang.ini

@@ -0,0 +1,3 @@
+[uwsgi]
+inherit = default
+embedded_plugins = +,erlang

buildconf/lua.ini

@@ -0,0 +1,3 @@
+[uwsgi]
+inherit = default
+embedded_plugins = lua

buildconf/luap.ini

@@ -0,0 +1,3 @@
+[uwsgi]
+inherit = default
+plugins = lua

buildconf/modular.ini

@@ -0,0 +1,33 @@
+[uwsgi]
+xml = true
+ini = true
+snmp = true
+sctp = false
+erlang = false
+spooler = false
+embedded = false
+udp = true
+multicast = false
+threading = true
+sendfile = true
+nagios = true
+proxy = true
+minterpreters = true
+async = true
+ugreen = false
+http = true
+evdis = false
+ldap = true
+routing = false
+stackless = false
+debug = false
+unbit = false
+xml_implementation = libxml2
+plugins = python, ping, rack
+bin_name = uwsgi
+plugin_dir = .
+embedded_plugins =
+
+[python]
+paste = true
+web3 = true

buildconf/psgi.ini

@@ -0,0 +1,3 @@
+[uwsgi]
+inherit = default
+embedded_plugins = psgi

buildconf/pyerl.ini

@@ -0,0 +1,3 @@
+[uwsgi]
+inherit = default
+embedded_plugins = +,erlang,pyerl

buildconf/pylua.ini

@@ -0,0 +1,7 @@
+[uwsgi]
+inherit = default
+embedded_plugins = +,lua
+
+[python]
+paste = true
+web3 = true

buildconf/pyrb.ini

@@ -0,0 +1,31 @@
+[uwsgi]
+xml = true
+ini = true
+snmp = true
+sctp = false
+erlang = false
+spooler = true
+embedded = true
+udp = true
+multicast = true
+threading = true
+sendfile = true
+proxy = true
+minterpreters = true
+async = true
+http = true
+evdis = false
+ldap = false
+routing = false
+stackless = false
+debug = false
+unbit = false
+xml_implementation = libxml2
+plugins =
+bin_name = uwsgi
+plugin_dir = .
+embedded_plugins = python, ping, nagios, rack
+
+[python]
+paste = true
+web3 = true

buildconf/rack.ini

@@ -0,0 +1,3 @@
+[uwsgi]
+inherit = default
+embedded_plugins = rack, ping, nagios, rpc

buildconf/rackp.ini

@@ -0,0 +1,30 @@
+[uwsgi]
+xml = true
+ini = true
+yaml = true
+snmp = true
+sctp = false
+erlang = false
+spooler = false
+embedded = false
+udp = true
+multicast = false
+threading = true
+sendfile = true
+nagios = true
+proxy = true
+minterpreters = true
+async = true
+ugreen = false
+http = true
+evdis = false
+ldap = false
+routing = false
+stackless = false
+debug = false
+unbit = false
+xml_implementation = libxml2
+plugins = rack
+bin_name = uwsgi
+plugin_dir = .
+embedded_plugins =

buildconf/unbit.ini

@@ -0,0 +1,23 @@
+[uwsgi]
+xml = true
+ini = true
+yaml = true
+snmp = false
+sctp = false
+spooler = true
+embedded = true
+udp = true
+multicast = false
+threading = true
+sendfile = true
+nagios = false
+minterpreters = true
+async = true
+ldap = true
+debug = false
+unbit = true
+xml_implementation = libxml2
+plugins =
+bin_name = /opt/unbit/bin/uwsgi
+plugin_dir = /opt/unbit/uwsgi_plugins
+embedded_plugins =

buildconf/unbitstaff.ini

@@ -0,0 +1,4 @@
+[uwsgi]
+inherit = unbit
+bin_name = ../bin/uwsgi
+plugin_dir = ../bin/uwsgi_plugins

cache.c

@@ -0,0 +1,566 @@
+#include "uwsgi.h"
+
+extern struct uwsgi_server uwsgi;
+
+struct uwsgi_subscriber_name *uwsgi_get_subscriber(struct uwsgi_dict *udict, char *key, uint16_t keylen) {
+
+	uint64_t ovl;
+	struct uwsgi_subscriber *usub;
+	struct uwsgi_subscriber_name *ret = NULL;
+	
+	usub = (struct uwsgi_subscriber *) uwsgi_dict_get(udict, key, keylen, &ovl);
+
+	if (usub == NULL || !ovl) return NULL;
+
+	if (!usub->nodes) return NULL;
+
+	if (usub && ovl) {
+		ret = &usub->names[usub->current];
+		// dead node
+		if (ret->len == 0) {
+			if (usub->current == usub->nodes-1) {
+				usub->nodes--;
+			}
+			// retry with another node (if available)
+			if (usub->nodes > 0) {
+				usub->current++;
+				if (usub->current >= usub->nodes) usub->current = 0;
+				return uwsgi_get_subscriber(udict, key, keylen);
+			}
+		}
+
+		if (usub->nodes > 1) {
+			usub->current++;
+			if (usub->current >= usub->nodes) usub->current = 0;
+		}
+
+	}
+
+	return ret;
+}
+
+void uwsgi_add_subscriber(struct uwsgi_dict *udict, char *key, uint16_t keylen, char *address, uint64_t address_len) {
+
+	char *ptr;
+	uint64_t vallen = 0;
+	struct uwsgi_subscriber *usub, nusub;
+	int found = 0;
+	int i;
+	
+	ptr = uwsgi_dict_get(udict, key, keylen, &vallen);
+	if (ptr && vallen) {
+		usub = (struct uwsgi_subscriber *) ptr;
+		for(i=0;i<(int)usub->nodes;i++) {
+			if (!uwsgi_strncmp(usub->names[i].name, usub->names[i].len, address, address_len)) {
+				found = 1;
+				break;
+			}
+		}
+		if (!found) {
+			found = usub->nodes;
+			// check for unallocated slot
+			for(i=0;i<(int)usub->nodes;i++) {
+				if (usub->names[i].len == 0) {
+					found = i;
+					break;
+				}
+			}
+			usub->names[found].len = address_len;
+			memcpy(usub->names[found].name, address, address_len);
+			if (found == (int) usub->nodes) {
+				usub->nodes++;
+			}
+		}
+		return;
+	}
+	else {
+		nusub.nodes = 1;
+		nusub.current = 0;
+		memcpy(nusub.names[0].name, address, address_len);
+		uwsgi_dict_set(udict, key, keylen, (char *) &nusub, sizeof(struct uwsgi_subscriber));
+	}
+
+}
+
+struct uwsgi_dict *uwsgi_dict_create(uint64_t items, uint64_t blocksize) {
+
+	int i;
+
+	struct uwsgi_dict *udict = (struct uwsgi_dict *) mmap(NULL, sizeof(uint64_t) * UMAX16, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0);
+	if (!udict) {
+        	uwsgi_error("mmap()");
+                exit(1);
+	}
+
+	if (!blocksize) blocksize = 4096;
+
+        if (blocksize % uwsgi.page_size != 0) {
+        	uwsgi_log("invalid shared dictionary blocksize %llu: must be a multiple of memory page size (%d bytes)\n", (unsigned long long) udict->blocksize, uwsgi.page_size);
+        	exit(1);
+	}
+
+	udict->blocksize = blocksize;
+	udict->max_items = items;
+
+        udict->hashtable = (uint64_t *) mmap(NULL, sizeof(uint64_t) * UMAX16, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0);
+        if (!udict->hashtable) {
+        	uwsgi_error("mmap()");
+                exit(1);
+	}
+
+        memset(udict->hashtable, 0, sizeof(uint64_t) * UMAX16);
+
+        udict->unused_stack = (uint64_t *) mmap(NULL, sizeof(uint64_t) * udict->max_items, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0);
+        if (!udict->unused_stack) {
+        	uwsgi_error("mmap()");
+                exit(1);
+	}
+
+        memset(udict->unused_stack, 0, sizeof(uint64_t) * udict->max_items);
+
+        udict->items = (struct uwsgi_dict_item *) mmap(NULL, sizeof(struct uwsgi_dict_item) * udict->max_items, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0);
+        if (!udict->items) {
+        	uwsgi_error("mmap()");
+                exit(1);
+        }
+
+        udict->data = mmap(NULL, udict->blocksize * udict->max_items, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0);
+        if (!udict->data) {
+        	uwsgi_error("mmap()");
+                exit(1);
+        }
+
+        for(i=0;i< (int) udict->max_items;i++) {
+        	memset(&udict->items[i], 0, sizeof(struct uwsgi_dict_item));
+        }
+
+        udict->first_available_item = 1;
+        udict->unused_stack_ptr = 0;
+
+        udict->lock = uwsgi_mmap_shared_lock();
+        uwsgi_lock_init(udict->lock);
+
+	return udict;
+}
+
+uint32_t djb33x_hash(char *key, int keylen) {
+
+	register uint32_t hash = 5381;
+	int i;
+
+	for(i=0;i<keylen;i++) {
+		hash = ((hash << 5) + hash) ^ key[i];
+	}
+
+	return hash;
+}
+
+
+inline uint64_t uwsgi_dict_get_index(struct uwsgi_dict *udict, char *key, uint16_t keylen) {
+
+        uint32_t hash = djb33x_hash(key, keylen);
+
+        int hash_key = hash % 0xffff;
+
+        uint64_t slot = udict->hashtable[hash_key];
+
+        struct uwsgi_dict_item *udi;
+
+        udi = &udict->items[slot];
+
+        // first round
+        if (udi->djbhash != hash) goto cycle;
+        if (udi->keysize != keylen) goto cycle;
+        if (memcmp(udi->key, key, keylen)) goto cycle;
+
+        return slot;
+
+cycle:
+        while(udi->next) {
+                slot = udi->next;
+                udi = &udict->items[slot];
+                if (udi->djbhash != hash) continue;
+                if (udi->keysize != keylen) continue;
+                if (!memcmp(udi->key, key, keylen)) return slot;
+        }
+
+        return 0;
+}
+
+char *uwsgi_dict_get(struct uwsgi_dict *udict, char *key, uint16_t keylen, uint64_t *valsize) {
+
+        uint64_t index = uwsgi_dict_get_index(udict, key, keylen);
+
+        if (index) {
+                *valsize = udict->items[index].valsize;
+                udict->items[index].hits++;
+                return udict->data+(index*udict->blocksize);
+        }
+
+        return NULL;
+}
+
+int uwsgi_dict_del(struct uwsgi_dict *udict, char *key, uint16_t keylen) {
+
+        uint64_t index = 0;
+        struct uwsgi_dict_item *udi;
+        int ret = -1;
+
+        index = uwsgi_dict_get_index(udict, key, keylen);
+        if (index) {
+                udi = &udict->items[index] ;
+                udi->keysize = 0;
+                udi->valsize = 0;
+                udict->unused_stack_ptr++;
+                udict->unused_stack[udict->unused_stack_ptr] = index;
+                // try to return to initial condition...
+                if (index == udict->first_available_item-1) {
+                        udict->first_available_item--;
+                }
+                ret = 0;
+                // relink collisioned entry
+                if (udi->prev) {
+                        udict->items[udi->prev].next = udi->next;
+                }
+                if (udi->next) {
+                        udict->items[udi->next].prev = udi->prev;
+                }
+                if (!udi->prev && !udi->next) {
+                        // reset hashtable entry
+                        udict->hashtable[udi->djbhash % 0xffff] = 0;
+                }
+                udi->djbhash = 0;
+                udi->prev = 0;
+                udi->next = 0;
+        }
+
+        return ret;
+}
+
+
+
+inline uint64_t uwsgi_cache_get_index(char *key, uint16_t keylen) {
+
+	uint32_t hash = djb33x_hash(key, keylen);
+	
+	int hash_key = hash % 0xffff;
+
+	uint64_t slot = uwsgi.cache_hashtable[hash_key];
+
+	struct uwsgi_cache_item *uci;
+
+	//uwsgi_log("found slot %d for key %d\n", slot, hash_key);
+
+	uci = &uwsgi.cache_items[slot];
+
+	// first round
+	if (uci->djbhash != hash) goto cycle;
+	if (uci->keysize != keylen) goto cycle;
+	if (memcmp(uci->key, key, keylen)) goto cycle;
+
+	return slot;
+
+cycle:
+	while(uci->next) {
+		slot = uci->next;
+		uci = &uwsgi.cache_items[slot];
+		if (uci->djbhash != hash) continue;
+		if (uci->keysize != keylen) continue;
+		if (!memcmp(uci->key, key, keylen)) return slot;
+	}
+
+	return 0;
+}
+
+uint32_t uwsgi_cache_exists(char *key, uint16_t keylen) {
+
+	return uwsgi_cache_get_index(key, keylen);
+}
+
+char *uwsgi_cache_get(char *key, uint16_t keylen, uint64_t *valsize) {
+
+	uint64_t index = uwsgi_cache_get_index(key, keylen);
+
+	if (index) {
+		if (uwsgi.cache_items[index].flags & UWSGI_CACHE_FLAG_UNGETTABLE) return NULL;
+		*valsize = uwsgi.cache_items[index].valsize;
+		uwsgi.cache_items[index].hits++;
+		return uwsgi.cache+(index*uwsgi.cache_blocksize);
+	}
+
+	return NULL;
+}
+
+int uwsgi_cache_del(char *key, uint16_t keylen) {
+
+	uint64_t index = 0;
+	struct uwsgi_cache_item *uci;
+	int ret = -1;
+
+	index = uwsgi_cache_get_index(key, keylen);
+	if (index) {
+		uci = &uwsgi.cache_items[index] ;
+		uci->keysize = 0;
+		uci->valsize = 0;
+		uwsgi.shared->cache_unused_stack_ptr++;
+		uwsgi.cache_unused_stack[uwsgi.shared->cache_unused_stack_ptr] = index;
+		// try to return to initial condition...
+		if (index == uwsgi.shared->cache_first_available_item-1) {
+			uwsgi.shared->cache_first_available_item--;
+			//uwsgi_log("FACI: %llu STACK PTR: %llu\n", (unsigned long long) uwsgi.shared->cache_first_available_item, (unsigned long long) uwsgi.shared->cache_unused_stack_ptr);
+		}
+		ret = 0;
+		// relink collisioned entry
+		if (uci->prev) {
+			uwsgi.cache_items[uci->prev].next = uci->next;	
+		}
+		if (uci->next) {
+			uwsgi.cache_items[uci->next].prev = uci->prev;	
+		}
+		if (!uci->prev && !uci->next) {
+			// reset hashtable entry
+			//uwsgi_log("!!! resetted hashtable entry !!!\n");
+			uwsgi.cache_hashtable[uci->djbhash % 0xffff] = 0;
+		}
+		uci->djbhash = 0;
+		uci->prev = 0;
+		uci->next = 0;
+	}
+
+	return ret;
+}
+
+int uwsgi_cache_set(char *key, uint16_t keylen, char *val, uint64_t vallen, uint64_t expires, uint16_t flags) {
+
+	uint64_t index = 0, last_index = 0 ;
+
+	struct uwsgi_cache_item *uci, *ucii;
+
+	int ret = -1;
+	int slot;
+
+	if (!keylen || !vallen) return -1;
+
+	if (keylen > UWSGI_CACHE_MAX_KEY_SIZE) return -1;	
+
+	if (uwsgi.shared->cache_first_available_item >= uwsgi.cache_max_items && !uwsgi.shared->cache_unused_stack_ptr) {
+		uwsgi_log("*** DANGER cache is FULL !!! ***\n");
+		goto end;
+	}
+
+	//uwsgi_log("putting cache data in key %.*s %d\n", keylen, key, vallen);
+	index = uwsgi_cache_get_index(key, keylen);
+	if (!index) {
+		if (uwsgi.shared->cache_unused_stack_ptr) {
+			//uwsgi_log("!!! REUSING CACHE SLOT !!! (faci: %llu)\n", (unsigned long long) uwsgi.shared->cache_first_available_item);
+			index = uwsgi.cache_unused_stack[uwsgi.shared->cache_unused_stack_ptr];
+			uwsgi.shared->cache_unused_stack_ptr--;
+		}
+		else {
+			index = uwsgi.shared->cache_first_available_item;	
+			if (uwsgi.shared->cache_first_available_item < uwsgi.cache_max_items) {
+				uwsgi.shared->cache_first_available_item++;
+			}
+		}
+		uci = &uwsgi.cache_items[index] ;
+		if (expires) expires += time(NULL);
+		uci->expires = expires;
+		uci->djbhash = djb33x_hash(key, keylen);
+		uci->hits = 0;
+		uci->flags = flags;
+		memcpy(uci->key, key, keylen);
+		memcpy(uwsgi.cache+(index*uwsgi.cache_blocksize), val, vallen);
+
+		// set this as late as possibile (to reduce races risk)
+
+		uci->valsize = vallen;
+		uci->keysize = keylen;	
+		ret = 0;
+		// now put the value in the 16bit hashtable
+		slot = uci->djbhash % 0xffff;
+
+		if (uwsgi.cache_hashtable[slot] == 0) {
+			uwsgi.cache_hashtable[slot] = index;
+		}
+		else {
+			//uwsgi_log("HASH COLLISION !!!!\n");
+			// append to first available next
+			last_index = uwsgi.cache_hashtable[slot];
+			ucii = &uwsgi.cache_items[ last_index ];
+			while(ucii->next) {
+				last_index = ucii->next;
+				ucii = &uwsgi.cache_items[ last_index ];
+			}
+			ucii->next = index;
+			uci->prev = last_index;
+		}
+	}
+
+end:
+	return ret;
+	
+}
+
+int uwsgi_dict_set(struct uwsgi_dict *udict, char *key, uint16_t keylen, char *val, uint64_t vallen) {
+
+        uint64_t index = 0, last_index = 0 ;
+
+        struct uwsgi_dict_item *udi, *udii;
+
+        int ret = -1;
+        int slot;
+
+        if (!keylen || !vallen) return -1;
+
+        if (keylen > UWSGI_CACHE_MAX_KEY_SIZE) return -1;
+
+        if (udict->first_available_item >= udict->max_items && !udict->unused_stack_ptr) {
+                uwsgi_log("*** DANGER dictionary %p is FULL !!! ***\n", udict);
+                goto end;
+        }
+
+        index = uwsgi_dict_get_index(udict, key, keylen);
+        if (!index) {
+                if (udict->unused_stack_ptr) {
+                        index = udict->unused_stack[udict->unused_stack_ptr];
+                        udict->unused_stack_ptr--;
+                }
+                else {
+                        index = udict->first_available_item;
+                        if (udict->first_available_item < udict->max_items) {
+                                udict->first_available_item++;
+                        }
+                }
+                udi = &udict->items[index] ;
+                udi->djbhash = djb33x_hash(key, keylen);
+                udi->hits = 0;
+                memcpy(udi->key, key, keylen);
+                memcpy(udict->data+(index*udict->blocksize), val, vallen);
+
+                // set this as late as possibile (to reduce races risk)
+
+                udi->valsize = vallen;
+                udi->keysize = keylen;
+                ret = 0;
+                // now put the value in the 16bit hashtable
+                slot = udi->djbhash % 0xffff;
+
+                if (udict->hashtable[slot] == 0) {
+                        udict->hashtable[slot] = index;
+                }
+                else {
+                        // append to first available next
+                        last_index = udict->hashtable[slot];
+                        udii = &udict->items[ last_index ];
+                        while(udii->next) {
+                                last_index = udii->next;
+                                udii = &udict->items[ last_index ];
+                        }
+                        udii->next = index;
+                        udi->prev = last_index;
+                }
+        }
+
+end:
+        return ret;
+
+}
+
+
+void cache_command(char *key, uint16_t keylen, char *val, uint16_t vallen, void *data) {
+
+	struct wsgi_request *wsgi_req = (struct wsgi_request *) data;
+	uint64_t tmp_vallen = 0;
+
+	if (vallen > 0) {
+		if (!uwsgi_strncmp(key, keylen, "key", 3)) {
+			val = uwsgi_cache_get(val, vallen, &tmp_vallen);
+                        if (val && tmp_vallen > 0) {
+                        	wsgi_req->response_size = write(wsgi_req->poll.fd, val, vallen);
+                        }
+
+		}		
+		else if (!uwsgi_strncmp(key, keylen, "get", 3)) {
+			val = uwsgi_cache_get(val, vallen, &tmp_vallen);
+			if (val && vallen > 0) {
+                        	wsgi_req->response_size = write(wsgi_req->poll.fd, val, tmp_vallen);
+			}
+			else {
+				wsgi_req->response_size = write(wsgi_req->poll.fd, "HTTP/1.0 404 Not Found\r\n\r\n<h1>Not Found</h1>", 44);
+			}
+		}
+	}
+}
+
+int uwsgi_cache_request(struct wsgi_request *wsgi_req) {
+
+	uint64_t vallen = 0;
+	char *value;
+	char *argv[3];
+	uint8_t argc = 0;
+
+	switch(wsgi_req->uh.modifier2) {
+		case 0:
+			// get
+			if (wsgi_req->uh.pktsize > 0) {
+				value = uwsgi_cache_get(wsgi_req->buffer, wsgi_req->uh.pktsize, &vallen);
+				if (value && vallen > 0) {
+					wsgi_req->uh.pktsize = vallen;
+					wsgi_req->response_size = write(wsgi_req->poll.fd, &wsgi_req->uh, 4);
+					wsgi_req->response_size += write(wsgi_req->poll.fd, value, vallen);
+				}
+			}
+			break;		
+		case 1:
+			// set
+			if (wsgi_req->uh.pktsize > 0) {
+				argc = 3;
+				if (!uwsgi_parse_array(wsgi_req->buffer, wsgi_req->uh.pktsize, argv, &argc)) {
+					if (argc > 1) {
+						uwsgi_cache_set(argv[0], strlen(argv[0]), argv[1], strlen(argv[1]), 0, 0);
+					}
+				}
+			}
+			break;
+		case 2:
+			// del
+			if (wsgi_req->uh.pktsize > 0) {
+				uwsgi_cache_del(wsgi_req->buffer, wsgi_req->uh.pktsize);
+			}
+			break;
+		case 4:
+			// dict
+			if (wsgi_req->uh.pktsize > 0) {
+				uwsgi_hooked_parse(wsgi_req->buffer, wsgi_req->uh.pktsize, cache_command, (void *) wsgi_req);
+			}
+			break;
+		case 5:
+			// get (uwsgi + stream)
+			if (wsgi_req->uh.pktsize > 0) {
+				value = uwsgi_cache_get(wsgi_req->buffer, wsgi_req->uh.pktsize, &vallen);
+				if (value && vallen > 0) {
+					wsgi_req->uh.pktsize = 0;
+					wsgi_req->uh.modifier2 = 1;
+					wsgi_req->response_size = write(wsgi_req->poll.fd, &wsgi_req->uh, 4);
+					wsgi_req->response_size += write(wsgi_req->poll.fd, value, vallen);
+				}
+				else {
+					wsgi_req->uh.pktsize = 0;
+					wsgi_req->uh.modifier2 = 0;
+					wsgi_req->response_size = write(wsgi_req->poll.fd, &wsgi_req->uh, 4);
+				}
+			}
+			break;		
+	}
+
+	return 0;
+}
+
+struct uwsgi_plugin uwsgi_cache_plugin = {
+
+        .name = "cache",
+        .modifier1 = 111, 
+        .request = uwsgi_cache_request,
+
+};
+

cherokee/README

@@ -0,0 +1 @@
+the uwsgi handler is included in the official Cherokee distribution

cherokee/admin/ModuleUwsgi.py

@@ -1,92 +0,0 @@
-from Form import *
-from Table import *
-from Module import *
-from validations import *
-from consts import *
-
-# For gettext
-N_ = lambda x: x
-
-from ModuleCgi import *
-from ModuleBalancer import NOTE_BALANCER
-
-HELPS = [
-    ('modules_handlers_uwsgi', "UWSGI")
-]
-
-class ModuleUwsgi (ModuleCgiBase):
-    PROPERTIES = ModuleCgiBase.PROPERTIES + [
-        'balancer',
-        'modifier1',
-        'modifier2',
-	'pass_wsgi_vars',
-	'pass_request_body'
-    ]
-
-    def __init__ (self, cfg, prefix, submit):
-        ModuleCgiBase.__init__ (self, cfg, prefix, 'uwsgi', submit)
-
-        self.show_script_alias  = False
-        self.show_change_uid    = False
-        self.show_document_root = True
-
-    def _op_render (self):
-        txt = ModuleCgiBase._op_render (self)
-
-        txt += '<h2>%s</h2>' % (_('UWSGI specific'))
-
-        table = TableProps()
-
-
-        opt = "%s!modifier1" % (self._prefix)
-	self.AddPropEntry(table, _('Modifier1'), opt, 'a number between 0 and 255', size=3);
-
-        opt = "%s!modifier2" % (self._prefix)
-	self.AddPropEntry(table, _('Modifier2'), opt, 'a number between 0 and 255', size=3);
-
-	opt = "%s!pass_wsgi_vars" % (self._prefix)
-	self.AddPropCheck (table, _("Pass WSGI vars"), opt, True,  'pass all the wsgi vars to the application')
-
-	opt = "%s!pass_request_body" % (self._prefix)
-	self.AddPropCheck (table, _("Pass Request body"), opt, True,  'pass the request body to the application')
-
-        opt = "%s!balancer" % (self._prefix)
-        e = self.AddPropOptions_Reload_Module (table, _("Balancer"), opt,
-                                               modules_available(BALANCERS), _(NOTE_BALANCER))
-
-        txt += self.Indent(str(table) + e)
-
-        return txt
-
-    def _op_apply_changes (self, uri, post):
-
-        # Apply modifier1
-        opt = "%s!modifier1" % (self._prefix)
-        mod1 = post.pop(opt)
-        if mod1:
-            self._cfg[opt] = mod1
-
-        # Apply modifier2
-        opt  = "%s!modifier2" % (self._prefix)
-        mod2 = post.pop(opt)
-        if mod2:
-            self._cfg[opt] = mod2
-
-        # Apply pass_request_body and pass_wsgi_vars
-	self.ApplyChangesPrefix (self._prefix, ['pass_wsgi_vars','pass_request_body'], post)
-
-        # Apply balancer changes
-        pre  = "%s!balancer" % (self._prefix)
-
-        new_balancer = post.pop(pre)
-        if new_balancer:
-            self._cfg[pre] = new_balancer
-
-        cfg  = self._cfg[pre]
-        if cfg and cfg.value:
-            name = cfg.value
-            props = module_obj_factory (name, self._cfg, pre, self.submit_url)
-            props._op_apply_changes (uri, post)
-
-        # And CGI changes
-        return ModuleCgiBase._op_apply_changes (self, uri, post)

cherokee/handler_uwsgi.c

@@ -1,452 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-
-/* Cherokee
- *
- * Authors:
- *      Alvaro Lopez Ortega <alvaro@alobbs.com>
- *
- * Copyright (C) 2001-2009 Alvaro Lopez Ortega
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- */
-
-#include "common-internal.h"
-#include "handler_uwsgi.h"
-
-#include "connection.h"
-#include "source_interpreter.h"
-#include "thread.h"
-#include "util.h"
-#include "connection-protected.h"
-#include "bogotime.h"
-
-#define ENTRIES "handler,cgi"
-
-/* Plug-in initialization
- */
-CGI_LIB_INIT (uwsgi, http_all_methods);
-
-#if BYTE_ORDER == BIG_ENDIAN
-static uint16_t uwsgi_swap16(uint16_t x) {
-	return (uint16_t) ((x & 0xff) << 8 | (x & 0xff00) >> 8);
-}
-#endif
-
-/* Methods implementation
- */
-static ret_t
-props_free (cherokee_handler_uwsgi_props_t *props)
-{
-	if (props->balancer)
-		cherokee_balancer_free (props->balancer);
-
-	return cherokee_handler_cgi_base_props_free (PROP_CGI_BASE(props));
-}
-
-ret_t
-cherokee_handler_uwsgi_configure (cherokee_config_node_t *conf, cherokee_server_t *srv, cherokee_module_props_t **_props)
-{
-	ret_t                          ret;
-	cherokee_list_t               *i;
-	cherokee_handler_uwsgi_props_t *props;
-
-	/* Instance a new property object
-	 */
-	if (*_props == NULL) {
-		CHEROKEE_NEW_STRUCT (n, handler_uwsgi_props);
-
-		cherokee_handler_cgi_base_props_init_base (PROP_CGI_BASE(n),
-							   MODULE_PROPS_FREE(props_free));
-
-		n->balancer = NULL;
-		n->modifier1 = 0 ;
-		n->modifier2 = 0 ;
-		n->pass_wsgi_vars = true;
-		n->pass_request_body = true;
-
-		*_props = MODULE_PROPS(n);
-	}
-
-	props = PROP_UWSGI(*_props);
-
-	/* Parse the configuration tree
-	 */
-	cherokee_config_node_foreach (i, conf) {
-		cherokee_config_node_t *subconf = CONFIG_NODE(i);
-
-		if (equal_buf_str (&subconf->key, "balancer")) {
-			ret = cherokee_balancer_instance (&subconf->val, subconf, srv, &props->balancer);
-			if (ret != ret_ok) return ret;
-		}
-		else if (equal_buf_str (&subconf->key, "modifier1")) {
-			props->modifier1 = (uint8_t) atoi(subconf->val.buf);	
-		}
-		else if (equal_buf_str (&subconf->key, "modifier2")) {
-			props->modifier2 = (uint8_t) atoi(subconf->val.buf);	
-		}
-		else if (equal_buf_str (&subconf->key, "pass_wsgi_vars")) {
-			props->pass_wsgi_vars = !! atoi (subconf->val.buf);
-		}
-		else if (equal_buf_str (&subconf->key, "pass_request_body")) {
-			props->pass_request_body = !! atoi (subconf->val.buf);
-		}
-	}
-
-	/* Init base class
-	 */
-	ret = cherokee_handler_cgi_base_configure (conf, srv, _props);
-	if (ret != ret_ok) return ret;
-
-	/* Final checks
-	 */
-	if (props->balancer == NULL) {
-		LOG_CRITICAL_S (CHEROKEE_ERROR_HANDLER_NO_BALANCER);
-		return ret_error;
-	}
-
-	return ret_ok;
-}
-
-
-static void
-add_env_pair (cherokee_handler_cgi_base_t *cgi_base,
-	      const char *key, int key_len,
-	      const char *val, int val_len)
-{
-	cherokee_handler_uwsgi_t *uwsgi = HDL_UWSGI(cgi_base);
-	uint16_t u_key_len = (uint16_t) key_len ;
-	uint16_t u_val_len = (uint16_t) val_len ;
-
-
-	/* 2 bytes for every string (16 bit le) */
-	cherokee_buffer_ensure_size (&uwsgi->header, uwsgi->header.len + key_len + val_len + 4);
-
-	/* force to le if cherokee is big-endian */
-#if BYTE_ORDER  == BIG_ENDIAN
-	u_key_len = uwsgi_swap16(u_key_len);
-#endif
-	cherokee_buffer_add (&uwsgi->header, (const char *) &u_key_len, 2);
-#if BYTE_ORDER  == BIG_ENDIAN
-	u_key_len = uwsgi_swap16(u_key_len);
-#endif
-	cherokee_buffer_add (&uwsgi->header, key, key_len);
-#if BYTE_ORDER  == BIG_ENDIAN
-	u_val_len = uwsgi_swap16(u_val_len);
-#endif
-	cherokee_buffer_add (&uwsgi->header, (const char *) &u_val_len, 2);
-#if BYTE_ORDER  == BIG_ENDIAN
-	u_val_len = uwsgi_swap16(u_val_len);
-#endif
-	cherokee_buffer_add (&uwsgi->header, val, val_len);
-}
-
-
-static ret_t
-read_from_uwsgi (cherokee_handler_cgi_base_t *cgi_base, cherokee_buffer_t *buffer)
-{
-	ret_t                    ret;
-	size_t                   read = 0;
-	cherokee_handler_uwsgi_t *uwsgi = HDL_UWSGI(cgi_base);
-
-	ret = cherokee_socket_bufread (&uwsgi->socket, buffer, 4096, &read);
-
-	switch (ret) {
-	case ret_eagain:
-		cherokee_thread_deactive_to_polling (HANDLER_THREAD(cgi_base), HANDLER_CONN(cgi_base),
-						     uwsgi->socket.socket, 0, false);
-		return ret_eagain;
-
-	case ret_ok:
-		TRACE (ENTRIES, "%d bytes read\n", read);
-		return ret_ok;
-
-	case ret_eof:
-	case ret_error:
-		cgi_base->got_eof = true;
-		return ret;
-
-	default:
-		RET_UNKNOWN(ret);
-	}
-
-	SHOULDNT_HAPPEN;
-	return ret_error;
-}
-
-
-ret_t
-cherokee_handler_uwsgi_new (cherokee_handler_t **hdl, void *cnt, cherokee_module_props_t *props)
-{
-	CHEROKEE_NEW_STRUCT (n, handler_uwsgi);
-
-	/* Init the base class
-	 */
-	cherokee_handler_cgi_base_init (
-			HDL_CGI_BASE(n), cnt,
-			PLUGIN_INFO_HANDLER_PTR(uwsgi),
-			HANDLER_PROPS(props),
-			add_env_pair, read_from_uwsgi);
-
-	/* Virtual methods
-	 */
-	MODULE(n)->init         = (handler_func_init_t) cherokee_handler_uwsgi_init;
-	MODULE(n)->free         = (module_func_free_t) cherokee_handler_uwsgi_free;
-
-	/* Virtual methods: implemented by handler_cgi_base
-	 */
-	HANDLER(n)->step        = (handler_func_step_t) cherokee_handler_cgi_base_step;
-	HANDLER(n)->add_headers = (handler_func_add_headers_t) cherokee_handler_cgi_base_add_headers;
-
-	/* Properties
-	 */
-	n->post_len = 0;
-	n->src_ref  = NULL;
-
-	cherokee_buffer_init (&n->header);
-	cherokee_socket_init (&n->socket);
-
-	/* Return the object
-	 */
-	*hdl = HANDLER(n);
-	return ret_ok;
-}
-
-
-ret_t
-cherokee_handler_uwsgi_free (cherokee_handler_uwsgi_t *hdl)
-{
-	/* Free the rest of the handler CGI memory
-	 */
-	cherokee_handler_cgi_base_free (HDL_CGI_BASE(hdl));
-
-	/* UWSGI stuff
-	 */
-	cherokee_socket_close (&hdl->socket);
-	cherokee_socket_mrproper (&hdl->socket);
-
-	cherokee_buffer_mrproper (&hdl->header);
-
-	return ret_ok;
-}
-
-
-static ret_t
-uwsgi_fix_packet (cherokee_buffer_t *buf, uint8_t modifier1, uint8_t modifier2)
-{
-
-	uwsgi_header uh;
-
-	uh.modifier1 = modifier1 ;
-	uh.modifier2 = modifier2 ;
-#if BYTE_ORDER  == BIG_ENDIAN
-	uh.env_size = uwsgi_swap16((uint16_t) buf->len) ;
-#else
-	uh.env_size = (uint16_t) buf->len ;
-#endif
-
-	cherokee_buffer_ensure_size (buf, buf->len + 4);
-	cherokee_buffer_prepend (buf, (const char * )&uh, 4);
-
-	return ret_ok;
-}
-
-
-static ret_t
-build_header (cherokee_handler_uwsgi_t *hdl)
-{
-	
-	cherokee_handler_uwsgi_props_t *props = HANDLER_UWSGI_PROPS(hdl);
-
-	cuint_t len;
-        char    tmp[64];
-
-	if (props->pass_request_body == true && props->pass_wsgi_vars == true) {
-        	len = snprintf (tmp, sizeof(tmp), FMT_OFFSET, (CST_OFFSET)hdl->post_len);
-        	add_env_pair(HDL_CGI_BASE(hdl), "CONTENT_LENGTH", 14, tmp, len);
-	}
-
-	if (props->pass_wsgi_vars == true) {
-		cherokee_handler_cgi_base_build_envp (HDL_CGI_BASE(hdl), HANDLER_CONN(hdl));
-	}
-
-	return uwsgi_fix_packet (&hdl->header, props->modifier1, props->modifier2);
-}
-
-
-
-static ret_t
-connect_to_server (cherokee_handler_uwsgi_t *hdl)
-{
-	ret_t                          ret;
-	cherokee_connection_t         *conn  = HANDLER_CONN(hdl);
-	cherokee_handler_uwsgi_props_t *props = HANDLER_UWSGI_PROPS(hdl);
-
-	/* Get a reference to the target host
-	 */
-	if (hdl->src_ref == NULL) {
-		ret = cherokee_balancer_dispatch (props->balancer, conn, &hdl->src_ref);
-		if (ret != ret_ok)
-			return ret;
-	}
-
-	/* Try to connect
-	 */
-	if (hdl->src_ref->type == source_host) {
-		ret = cherokee_source_connect_polling (hdl->src_ref, &hdl->socket, conn);
-		if ((ret == ret_deny) || (ret == ret_error))
-		{
-			cherokee_balancer_report_fail (props->balancer, conn, hdl->src_ref);
-		}
-	} else {
-		ret = cherokee_source_interpreter_connect_polling (SOURCE_INT(hdl->src_ref),
-								   &hdl->socket, conn);
-	}
-
-	return ret;
-}
-
-
-static ret_t
-send_header (cherokee_handler_uwsgi_t *hdl)
-{
-	ret_t                  ret;
-	size_t                 written = 0;
-	cherokee_connection_t *conn    = HANDLER_CONN(hdl);
-
-	ret = cherokee_socket_bufwrite (&hdl->socket, &hdl->header, &written);
-	if (ret != ret_ok) {
-		conn->error_code = http_bad_gateway;
-		return ret;
-	}
-
-#if 0
-	cherokee_buffer_print_debug (&hdl->header, -1);
-#endif
-	cherokee_buffer_move_to_begin (&hdl->header, written);
-
-	TRACE (ENTRIES, "sent remaining=%d\n", hdl->header.len);
-
-	if (! cherokee_buffer_is_empty (&hdl->header))
-		return ret_eagain;
-
-	return ret_ok;
-}
-
-
-static ret_t
-send_post (cherokee_handler_uwsgi_t *hdl)
-{
-	ret_t                  ret;
-	int                    e_fd = -1;
-	int                    mode =  0;
-	cherokee_connection_t *conn = HANDLER_CONN(hdl);
-
-	ret = cherokee_post_walk_to_fd (&conn->post, hdl->socket.socket, &e_fd, &mode);
-
-	switch (ret) {
-	case ret_ok:
-		break;
-	case ret_eagain:
-		if (e_fd != -1)
-			cherokee_thread_deactive_to_polling (HANDLER_THREAD(hdl), conn, e_fd, mode, false);
-		return ret_eagain;
-	default:
-		conn->error_code = http_bad_gateway;
-		return ret;
-	}
-
-	return ret_ok;
-}
-
-
-ret_t
-cherokee_handler_uwsgi_init (cherokee_handler_uwsgi_t *hdl)
-{
-	ret_t                  ret;
-	cherokee_connection_t *conn = HANDLER_CONN(hdl);
-	cherokee_handler_uwsgi_props_t *props = HANDLER_UWSGI_PROPS(hdl);
-
-	switch (HDL_CGI_BASE(hdl)->init_phase) {
-	case hcgi_phase_build_headers:
-		TRACE (ENTRIES, "Init: %s\n", "begins");
-
-		/* Extracts PATH_INFO and filename from request uri
-		 */
-		ret = cherokee_handler_cgi_base_extract_path (HDL_CGI_BASE(hdl), false);
-		if (unlikely (ret < ret_ok)) {
-			conn->error_code = http_internal_error;
-			return ret_error;
-		}
-
-		/* Prepare Post
-		 */
-		if (! cherokee_post_is_empty (&conn->post)) {
-			cherokee_post_walk_reset (&conn->post);
-			cherokee_post_get_len (&conn->post, &hdl->post_len);
-		}
-
-		/* Build the headers
-		 */
-		ret = build_header (hdl);
-		if (unlikely (ret != ret_ok)) {
-			conn->error_code = http_internal_error;
-			return ret_error;
-		}
-
-		HDL_CGI_BASE(hdl)->init_phase = hcgi_phase_connect;
-
-	case hcgi_phase_connect:
-		TRACE (ENTRIES, "Init: %s\n", "connect");
-
-		/* Connect
-		 */
-		ret = connect_to_server (hdl);
-		switch (ret) {
-		case ret_ok:
-			break;
-		case ret_eagain:
-			return ret_eagain;
-		case ret_deny:
-			conn->error_code = http_gateway_timeout;
-			return ret_error;
-		default:
-			conn->error_code = http_service_unavailable;
-			return ret_error;
-		}
-
-		HDL_CGI_BASE(hdl)->init_phase = hcgi_phase_send_headers;
-
-	case hcgi_phase_send_headers:
-		TRACE (ENTRIES, "Init: %s\n", "send_headers");
-
-		/* Send the header
-		 */
-		ret = send_header (hdl);
-		if (ret != ret_ok)
-			return ret;
-
-		HDL_CGI_BASE(hdl)->init_phase = hcgi_phase_send_post;
-
-	case hcgi_phase_send_post:
-		/* Send the Post
-		 */
-		if (hdl->post_len > 0 && props->pass_request_body == true) {
-			return send_post (hdl);
-		}
-		break;
-	}
-
-	return ret_ok;
-}

cherokee/handler_uwsgi.h

@@ -1,78 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-
-/* Cherokee
- *
- * Authors:
- *      Alvaro Lopez Ortega <alvaro@alobbs.com>
- *
- * Copyright (C) 2001-2009 Alvaro Lopez Ortega
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- */
-
-#ifndef CHEROKEE_HANDLER_UWSGI_H
-#define CHEROKEE_HANDLER_UWSGI_H
-
-#include "common-internal.h"
-
-#include "handler.h"
-#include "buffer.h"
-#include "plugin_loader.h"
-#include "socket.h"
-#include "handler_cgi_base.h"
-#include "balancer.h"
-
-typedef struct __attribute__((packed)) {
-	uint8_t modifier1;
-	uint16_t env_size;
-	uint8_t modifier2;
-} uwsgi_header ;
-
-
-typedef struct {
-	cherokee_handler_cgi_base_t  base;
-	cherokee_balancer_t         *balancer;
-	uint8_t modifier1;
-	uint8_t modifier2;
-	cherokee_boolean_t pass_wsgi_vars;
-	cherokee_boolean_t pass_request_body;
-} cherokee_handler_uwsgi_props_t;
-
-
-typedef struct {
-	cherokee_handler_cgi_base_t  base;
-	cherokee_buffer_t            header;
-	cherokee_socket_t            socket;
-	cherokee_source_t           *src_ref;
-	time_t                       spawned;
-	off_t                        post_len;
-} cherokee_handler_uwsgi_t;
-
-#define HDL_UWSGI(x)           ((cherokee_handler_uwsgi_t *)(x))
-#define PROP_UWSGI(x)          ((cherokee_handler_uwsgi_props_t *)(x))
-#define HANDLER_UWSGI_PROPS(x) (PROP_UWSGI(MODULE(x)->props))
-
-
-/* Library init function
- */
-void PLUGIN_INIT_NAME(uwsgi)      (cherokee_plugin_loader_t *loader);
-
-/* Methods
- */
-ret_t cherokee_handler_uwsgi_new  (cherokee_handler_t     **hdl, void *cnt, cherokee_module_props_t *props);
-ret_t cherokee_handler_uwsgi_free (cherokee_handler_uwsgi_t *hdl);
-ret_t cherokee_handler_uwsgi_init (cherokee_handler_uwsgi_t *hdl);
-
-#endif /* CHEROKEE_HANDLER_UWSGI_H */

cherokee/uwsgi.deps

@@ -1 +0,0 @@
-file

config.ru

@@ -0,0 +1,18 @@
+require 'fiber'
+require 'sinatra'
+
+get '/hi' do
+
+   class Response
+	def each
+		for i in 1..10
+			yield "ciao<br/>"
+			Fiber.yield
+		end
+	end
+   end
+
+   Response.new
+end
+
+run Sinatra::Application

config2.ru

@@ -0,0 +1,7 @@
+require 'sinatra'
+
+get '/hi' do
+	"Hello World"
+end
+
+run Sinatra::Application

contrib/Uwsgi.pm

@@ -0,0 +1,144 @@
+package Plack::Handler::Uwsgi;
+
+use strict;
+use warnings;
+
+use IO::Socket::INET;
+use HTTP::Status;
+
+use Plack::Util;
+
+sub new {
+    my $class = shift;
+    my $self  = bless {@_}, $class;
+    $self;
+}
+
+sub run {
+    my ($self, $app) = @_;
+
+    my $server;
+
+    if (exists($ENV{'UWSGI_FD'})) {
+        $server = IO::Socket::UNIX->new_from_fd($ENV{'UWSGI_FD'}, '+<');
+    }
+    else {	
+        $server = IO::Socket::INET->new(LocalPort => $self->{port}, LocalAddr => $self->{host}, Listen => 100, ReuseAddr => 1);
+    }
+
+    while ( my $client = $server->accept ) {
+
+        my $head = '';
+        my $remains = 4;
+
+        while($remains) {
+            $client->recv(my $buf, $remains);	
+            last unless $buf;
+            $head.=$buf;
+            $remains -= length($buf);
+        }
+
+        if (length($head) != 4) {
+            $client->close;
+            next;
+        }
+
+        my ($mod1, $envsize, $mod2) = unpack('CvC', $head);
+
+        unless ($envsize) {
+            $client->close;
+            next;
+        }
+
+        $remains = $envsize;
+        my $envbuf = '';
+        while($remains) {
+            my $buf;
+            if ($remains >= 4096) {
+                $client->recv($buf, 4096);	
+            }
+            else {
+                $client->recv($buf, $remains);	
+            }
+
+            unless($buf) {
+                $client->close;
+                next;
+            }
+
+            $envbuf.=$buf;
+            $remains -= length($buf);
+        }
+
+        if (length($envbuf) != $envsize ) {
+            $client->close;
+            next;
+        }
+
+        my %env;
+
+        my $i = 0;
+        while($i < $envsize) {
+            my $kl = unpack('v', substr($envbuf, $i, 2)); $i+=2;
+            my $key = substr($envbuf, $i, $kl); $i+=$kl;
+            my $vl = unpack('v', substr($envbuf, $i, 2)); $i+=2;
+            $env{$key} = substr($envbuf, $i, $vl); $i+=$vl;
+        }
+
+        my $env = {
+            %env,
+            'psgi.version'      => [1,1],
+            'psgi.url_scheme'   => ($env{HTTPS}||'off') =~ /^(?:on|1)$/i ? 'https' : 'http',
+            'psgi.input'        => $client,
+            'psgi.errors'       => *STDERR,
+            'psgi.multithread'  => Plack::Util::FALSE,
+            'psgi.multiprocess' => Plack::Util::TRUE,
+            'psgi.run_once'     => Plack::Util::FALSE,
+            'psgi.streaming'    => Plack::Util::TRUE,
+            'psgi.nonblocking'  => Plack::Util::FALSE,
+        };
+
+        my $res = Plack::Util::run_app $app, $env;
+
+        if (ref $res eq 'ARRAY') {
+            $self->_handle_response($client, $env{'SERVER_PROTOCOL'}, $res);
+        }
+        elsif (ref $res eq 'CODE') {
+            $res->(sub {
+                    $self->_handle_response($client, $env{'SERVER_PROTOCOL'}, $_[0]);
+                });
+        }
+        else {
+            die "Bad response $res";
+        }
+
+        $client->close;
+
+    }
+}
+
+sub _handle_response {
+    my ($self, $client, $protocol, $res) = @_;
+
+    $client->send($protocol.' '.$res->[0].' '.HTTP::Status::status_message( $res->[0] )."\r\n");
+
+    my $headers = $res->[1];
+    my $hdrs = '';
+    while (my ($k, $v) = splice @$headers, 0, 2) {
+        $hdrs .= "$k: $v\r\n";
+    }
+    $hdrs .= "\r\n";
+
+    $client->send($hdrs);
+
+    my $cb = sub { $client->send($_[0]) };
+    my $body = $res->[2];
+    if (defined $body) {
+        Plack::Util::foreach($body, $cb);
+    }
+    else {
+        return Plack::Util::inline_object write => $cb,close => sub { };
+    }
+}
+
+1;

contrib/upstart/uwsgi.conf

@@ -0,0 +1,15 @@
+# uWSGI - manage uWSGI application server
+#
+
+description     "uWSGI"
+
+start on runlevel [2345]
+stop on runlevel [!2345]
+
+respawn
+
+env LOGTO=/tmp/uwsgi.log
+env BINPATH=/home/foo/uwsgi/uwsgi
+
+# --no-orphans avoid workers without master
+exec $BINPATH --no-orphans --socket :3033 --uid 1001 --gid 1001 --limit-as 256 -m simple_app --logto $LOGTO -M -p 4

contrib/urack.rb

@@ -0,0 +1,330 @@
+require 'rubygems'
+require 'socket'
+require 'rack'
+require 'rack/content_length'
+require 'rack/rewindable_input'
+require 'stringio'
+
+require 'optparse'
+
+options = {
+        :processes => 1,
+        :threads => 1,
+        :master => false,
+        :logging => true,
+        :static => true,
+        :config => nil,
+        :cachehack => false
+}
+
+opts = OptionParser.new do |opts|
+
+        opts.on("-p", "--processes=nproc", Integer, '') { |p| options[:processes] = p }
+        opts.on("-t", "--threads=nthreads", Integer, '') { |t| options[:threads] = t }
+        opts.on("-M", "--master", '') { options[:master] = true }
+        opts.on("-L", "--no-logging", '') { options[:logging] = false }
+        opts.on("-S", "--no-static", '') { options[:static] = false }
+        opts.on("-C", "--cache-hack", '') { options[:cachehack] = true }
+        
+        opts.parse! ARGV
+end
+
+if ARGV[0]
+        options[:config] = ARGV[0]
+end
+
+def human_round(float)
+        (float * (10 ** 2)).round / (10 ** 2).to_f
+end
+
+$requests = 0
+$workers = Array.new
+$mywid = 0
+
+module Rack
+
+  class RailsCachingHack
+    def initialize app
+      @app = app
+    end
+
+    def stripuri(uri)
+      uri = uri.split('/')
+      uri.slice!(1)
+      val = uri.join('/')
+    end
+    def call env
+      env['PATH_INFO'] = stripuri(env['PATH_INFO']) if env['PATH_INFO']
+      env['REQUEST_URI'] = stripuri(env['REQUEST_URI']) if env['REQUEST_URI']
+      env['REQUEST_URI'] = '/' if env['REQUEST_URI'] == ''
+      @app.call env
+    end
+  end
+
+  module Handler
+    class Unbit
+
+      def self.run(app, options={})
+        server = UNIXServer.for_fd(0)
+
+        can_spawn = true
+        if options[:master]
+                $0 = 'uRack master'
+                $workers[0] = Process.pid
+                ulog("master process enabled (pid: #{$workers[0]})")
+                $workers[1] = Process.fork
+                if $workers[1].to_i > 0
+                        ulog("spawned worker 1 (pid: #{$workers[1]})")
+                elsif $workers[1].to_i == 0
+                        $0 = "uRack worker 1"
+			$mywid = 1
+                        can_spawn = false
+                end
+        else
+                $0 = 'uRack worker 1'
+                $workers[0] = nil
+                $workers[1] = Process.pid
+		$mywid = 1
+                ulog("spawned worker 1 (pid: #{$workers[1]})")
+        end
+
+        if options[:processes] > 1 and can_spawn
+                for p in 2..options[:processes]
+                        $workers[p] = Process.fork
+                        if $workers[p].to_i == 0
+                                $0 = "uRack worker #{p}"
+				$mywid = p
+                                break
+                        elsif $workers[p].to_i > 0
+                                ulog("spawned worker #{p} (pid: #{$workers[p]})")
+                        end
+                end
+        end
+
+        # am i the master ?
+        if options[:master] and Process.pid == $workers[0]
+                while 1
+                        i_am_a_child = false
+                        pid = Process.waitpid
+                        for wid in 1..options[:processes]
+                                if $workers[wid] == pid
+                                        ulog("worker #{wid} died ! (pid: #{pid})")
+                                        $workers[wid] = Process.fork
+                                        if $workers[wid].to_i == 0
+                                                $0 = "uRack worker #{wid}"
+                                                i_am_a_child = true
+						$mywid = wid
+                                                break
+                                        elsif $workers[wid].to_i > 0
+                                                ulog("respawned worker #{wid} (pid: #{$workers[wid]})")
+                                        end
+                                        
+                                end
+                        end
+                        break if i_am_a_child
+                end
+        end
+        
+	if options[:threads] > 2
+		for t in 2..options[:threads]
+			wt = Thread.new do
+			    ulog("spawning thread #{t} on worker #{$mywid}")
+            		    while client = server.accept
+                		serve client, app, options
+            		    end
+			end
+		end
+	end
+
+        while client = server.accept
+        	serve client, app, options
+        end
+
+      end
+
+      def self.serve(client, app, options)
+
+        speed = Time.now
+        head, sender = client.recvfrom(4)
+
+        unless head
+          client.close
+          return
+        end
+        
+        mod1, size, mod2 = head.unpack('CvC')
+
+        if size == 0 or size.nil?
+          client.close
+          return
+        end
+
+        vars, sender = client.recvfrom(size)
+
+        if vars.length != size
+          client.close
+          return
+        end
+
+        env = Hash.new
+
+        i = 0
+        while i < size
+          kl = vars[i, 2].unpack('v')[0]
+          i = i + 2
+          key = vars[i, kl]
+          i = i + kl
+          vl = vars[i, 2].unpack('v')[0]
+          i = i + 2
+          value = vars[i, vl]
+          i = i + vl
+          env[key] = value
+        end
+
+
+
+        env.delete "HTTP_CONTENT_LENGTH"
+        env.delete "HTTP_CONTENT_TYPE"
+
+        env["SCRIPT_NAME"] = ""  if env["SCRIPT_NAME"] == "/"
+        env["QUERY_STRING"] ||= ""
+        env["HTTP_VERSION"] ||= env["SERVER_PROTOCOL"]
+        env["REQUEST_PATH"] ||= "/"
+        env.delete "PATH_INFO"  if env["PATH_INFO"] == ""
+        env.delete "CONTENT_TYPE"  if env["CONTENT_TYPE"] == ""
+        env.delete "CONTENT_LENGTH"  if env["CONTENT_LENGTH"] == ""
+        
+        
+        if env["CONTENT_LENGTH"].to_i > 4096
+                rack_input = Rack::RewindableInput::Tempfile.new('Rack_unbit_Input')
+                rack_input.chmod(0000)
+                rack_input.set_encoding(Encoding::BINARY) if rack_input.respond_to?(:set_encoding)
+                rack_input.binmode
+                rack_input.unlink
+
+                remains = env["CONTENT_LENGTH"].to_i
+                while remains > 0
+                        if remains >= 4096
+                                buf, sender = client.recvfrom(4096)
+                        else
+                                buf, sender = client.recvfrom(remains)
+                        end
+
+			if buf.length == 0
+				break
+			end
+
+                        rack_input.write( buf )
+                        remains -= buf.length
+                end
+
+        elsif env["CONTENT_LENGTH"].to_i > 0
+                rack_input =  StringIO.new(client.recvfrom(env["CONTENT_LENGTH"].to_i)[0])
+        else
+                rack_input = StringIO.new('')
+        end
+
+        rack_input.rewind
+
+        env.update({"rack.version" => [1,1],
+                     "rack.input" => rack_input,
+                     "rack.errors" => $stderr,
+
+                     "rack.multithread" => false,
+                     "rack.multiprocess" => true,
+                     "rack.run_once" => false,
+
+                     "rack.url_scheme" => ["yes", "on", "1"].include?(env["HTTPS"]) ? "https" : "http"
+                   })
+
+        app = Rack::ContentLength.new(app)
+
+        disconnected = false
+        begin
+          status, headers, body = app.call(env)
+          begin
+            send_headers client, env["HTTP_VERSION"] ,status, headers
+            send_body client, body
+          ensure
+            body.close  if body.respond_to? :close
+          end
+        rescue Errno::EPIPE, Errno::ECONNRESET
+          disconnected = true
+        ensure
+          rack_input.close
+          client.close
+        end
+        $requests = $requests+1
+        
+        ulog("req: #{$requests} ip: #{env['REMOTE_ADDR']} pid: #{Process.pid} as: #{human_round(syscall(356).to_f/1024/1024)} MB => #{env['REQUEST_METHOD']} #{env['REQUEST_URI']} in #{Time.now-speed} secs [#{status}]#{' DISCONNECTED !!!' if disconnected}") if options[:logging]
+      end
+
+      def self.send_headers(client, protocol, status, headers)
+        client.print "#{protocol} #{status} #{Rack::Utils::HTTP_STATUS_CODES[status]}\r\n"
+        headers.each { |k, vs|
+          vs.split("\n").each { |v|
+            client.print "#{k}: #{v}\r\n"
+          }
+        }
+        client.print "\r\n"
+        client.flush
+      end
+
+      def self.send_body(client, body)
+        body.each { |part|
+          client.print part
+          client.flush
+        }
+      end
+    end
+  end
+end
+
+def ulog(message)
+        $stderr.puts "[#{Time.new}] uRack: #{message}"
+end
+
+ulog("starting at #{Dir.getwd}")
+limit_as = human_round(Process.getrlimit(Process::RLIMIT_AS)[1].to_f/1024/1024)
+ulog("your process address space limit is #{limit_as} MB")
+server = Rack::Handler.get('Unbit')
+
+starttime = Time.now
+
+app = nil
+
+if options[:config]
+        cfgfile = File.read(options[:config])
+        if cfgfile[/^#\\(.*)/]
+                opts.parse! $1.split(/\s+/)
+        end
+        app = eval "Rack::Builder.new {( " + cfgfile + "\n )}.to_app", nil, options[:config]
+else
+        # falling back to rails
+        if Dir.getwd =~ /\/public\/?$/  
+                require '../config/environment'
+        else
+                require 'config/environment'
+        end
+        app = Rack::Builder.new {
+                if options[:cachehack]
+                        use Rack::RailsCachingHack
+                end
+                if options[:static]
+                        use Rails::Rack::Static
+                end
+                if ActionController.const_defined?(:Dispatcher) && (ActionController::Dispatcher.instance_methods.include?(:call) || ActionController::Dispatcher.instance_methods.include?("call"))
+                        run ActionController::Dispatcher.new
+                else
+                        require 'thin'
+                        run Rack::Adapter::Rails.new(:environment => ENV['RAILS_ENV'])
+                end
+        }
+end
+
+
+ulog("your app is ready (in #{Time.now-starttime} seconds).")
+
+
+server.run(app, options)
+

contrib/uwsgi.erl

@@ -0,0 +1,30 @@
+-module(uwsgi).
+-export([encode/1,send/3]).
+
+	
+encode(Vars) ->
+	Body = lists:map(fun(X) -> Len = length(X), lists:append( binary_to_list(<<Len:16/little-unsigned-integer>>), X) end, Vars),
+	lists:flatten(Body).
+	
+response(Sock, Output) ->
+	case gen_tcp:recv(Sock,0) of
+		{ ok, Data } ->
+			response(Sock, lists:append(Output, binary_to_list(Data)));
+		{ error, closed } ->
+			gen_tcp:close(Sock),
+			Output
+	end.
+
+send(Host, Port, Message) ->
+	{ ok, Sock } = gen_tcp:connect( Host, Port, [ binary, { active, false} ]),
+
+	Body = encode(Message),
+
+	Len = length(Body),
+
+	ok = gen_tcp:send(Sock, << 0, Len:16/little-unsigned-integer, 0>>),
+
+	ok = gen_tcp:send(Sock, Body),
+
+	response(Sock, []).
+

contrib/uwsgi.java

@@ -6,7 +6,6 @@ import java.util.Enumeration;
 import org.apache.catalina.util.IOTools;
 
 public class uwsgi extends HttpServlet {
-
 	private String mountpoint = null;
 
 	public void init(ServletConfig config) throws ServletException {
@@ -22,34 +21,34 @@ public class uwsgi extends HttpServlet {
 		if (getServletConfig().getInitParameter("mountpoint") != null) {
 			mountpoint = getServletConfig().getInitParameter("mountpoint");
 			if (mountpoint.length() <= 1) {
-				mountpoint = null ;
+				mountpoint = null;
 			}
 		}
 	}
 
-	
+
 	public void doPost(HttpServletRequest request, HttpServletResponse response)
-	throws IOException, ServletException {
+		throws IOException, ServletException {
 		uWSGIHandler(request, response);
 	}
 
 	public void doGet(HttpServletRequest request, HttpServletResponse response)
-	throws IOException, ServletException {
+		throws IOException, ServletException {
 		uWSGIHandler(request, response);
 	}
 
-	
+
 	private void uWSGIHandler(HttpServletRequest request, HttpServletResponse response)
-	throws IOException, ServletException {
+		throws IOException, ServletException {
 
 		Socket client = new Socket("localhost",3017);
-		ByteArrayOutputStream uwsgi_request = new ByteArrayOutputStream() ;
+		ByteArrayOutputStream uwsgi_request = new ByteArrayOutputStream();
 		DataOutputStream wos = new DataOutputStream(uwsgi_request); 
 
 		DataOutputStream os = new DataOutputStream(client.getOutputStream());
 		DataInputStream is = new DataInputStream( client.getInputStream() );
 
-	
+
 		ServletOutputStream out = response.getOutputStream();
 
 		boolean hasBody = false;
@@ -104,14 +103,14 @@ public class uwsgi extends HttpServlet {
 
 		if (mountpoint != null) {
 			wos.writeShort(swapShort( (short) 11));
-                	wos.writeBytes("SCRIPT_NAME");
-			wos.writeShort(swapShort( (short) mountpoint.length() ) ) ;
-			wos.writeBytes( mountpoint ) ;
+			wos.writeBytes("SCRIPT_NAME");
+			wos.writeShort(swapShort( (short) mountpoint.length() ) );
+			wos.writeBytes( mountpoint );
 		}
-		
+
 
 		wos.writeShort(swapShort( (short) 9));
-                wos.writeBytes("PATH_INFO");
+		wos.writeBytes("PATH_INFO");
 		if (mountpoint != null) {
 			wos.writeShort(swapShort( (short) (request.getRequestURI().length() - mountpoint.length()) ) );
 			wos.writeBytes( request.getRequestURI().substring(mountpoint.length())  );
@@ -149,14 +148,14 @@ public class uwsgi extends HttpServlet {
 			hasBody = true;
 		}
 
-		
+
 		// taken from CGI servlet
 
 		Enumeration headers = request.getHeaderNames();
 		String header = null;
 		while (headers.hasMoreElements()) {
-                	header = null;
-                	header = ((String) headers.nextElement()).toUpperCase();
+			header = null;
+			header = ((String) headers.nextElement()).toUpperCase();
 			wos.writeShort(swapShort( (short) ("HTTP_" + header.replace('-', '_')).length() ));
 			wos.writeBytes("HTTP_" + header.replace('-', '_'));
 			wos.writeShort(swapShort( (short) request.getHeader(header).length() ));
@@ -175,16 +174,16 @@ public class uwsgi extends HttpServlet {
 			IOTools.flow(request.getInputStream(), os);
 		}
 
-		boolean statusParsed = false ;
+		boolean statusParsed = false;
 		for(;;) {
-			String line = byte_readline(is) ;
+			String line = byte_readline(is);
 			if (line == "") {
 				break;
 			}
 			if (statusParsed == false) {
 				String[] status = line.split(" ",3);
 				response.setStatus( Integer.parseInt(status[1]) );
-				statusParsed = true ;
+				statusParsed = true;
 			}
 			else {
 				String[] keyval = line.split(": ",2);
@@ -200,7 +199,7 @@ public class uwsgi extends HttpServlet {
 		byte cb[] = new byte[4096];
 		int len = 0;
 		for(;;) {
-			len = is.read(cb,0,4096) ;
+			len = is.read(cb,0,4096);
 			if ( len > 0) {
 				out.write(cb,0,len);	
 			}
@@ -208,7 +207,7 @@ public class uwsgi extends HttpServlet {
 				break;
 			}
 		}
-		
+
 
 	}
 
@@ -218,19 +217,19 @@ public class uwsgi extends HttpServlet {
 		for(;;) {
 			byte b = is.readByte();
 			if (b == 10) {
-				break ;
+				break;
 			}
-			line.write(b) ;
+			line.write(b);
 		}
 
 		return line.toString("ASCII").replaceAll("\\n","").replaceAll("\\r","");
 	}
 
 	private short swapShort(short x) {
-	
-		short tmp1 = (short) (x>>8) ;
-		short tmp2 = (short) (x<<8) ;
-		return (short) (tmp1 | tmp2)  ;
+
+		short tmp1 = (short) (x>>8);
+		short tmp2 = (short) (x<<8);
+		return (short) (tmp1 | tmp2);
 	}	
 
 }

contrib/uwsgi.rb

@@ -0,0 +1,150 @@
+require 'socket'
+require 'rack/content_length'
+require 'rack/rewindable_input'
+require 'stringio'
+
+module Rack
+  module Handler
+    class Uwsgi
+
+      def self.run(app, options={})
+	if ENV['UWSGI_FD']
+          server = UNIXServer.for_fd(ENV['UWSGI_FD'].to_i)
+	else
+          server = TCPServer.new(options[:Host], options[:Port])
+	end
+	while client = server.accept
+          serve client, app
+	end
+      end
+
+      def self.serve(client, app)
+
+	head, sender = client.recvfrom(4)
+
+	unless head
+	  client.close
+	  return
+	end
+	
+	mod1, size, mod2 = head.unpack('CvC')
+
+	if size == 0 or size.nil?
+	  client.close
+	  return
+	end
+
+	vars, sender = client.recvfrom(size)
+
+	if vars.length != size
+	  client.close
+	  return
+	end
+
+	env = Hash.new
+
+	i = 0
+	while i < size
+          kl = vars[i, 2].unpack('v')[0]
+          i = i + 2
+          key = vars[i, kl]
+	  i = i + kl
+          vl = vars[i, 2].unpack('v')[0]
+          i = i + 2
+	  value = vars[i, vl]
+          i = i + vl
+          env[key] = value
+	end
+
+
+
+        env.delete "HTTP_CONTENT_LENGTH"
+        env.delete "HTTP_CONTENT_TYPE"
+
+        env["SCRIPT_NAME"] = ""  if env["SCRIPT_NAME"] == "/"
+        env["QUERY_STRING"] ||= ""
+        env["HTTP_VERSION"] ||= env["SERVER_PROTOCOL"]
+        env["REQUEST_PATH"] ||= "/"
+        env.delete "PATH_INFO"  if env["PATH_INFO"] == ""
+        env.delete "CONTENT_TYPE"  if env["CONTENT_TYPE"] == ""
+        env.delete "CONTENT_LENGTH"  if env["CONTENT_LENGTH"] == ""
+        
+	
+	if env["CONTENT_LENGTH"].to_i > 4096
+		rack_input = Rack::RewindableInput::Tempfile.new('Rack_uwsgi_Input')
+		rack_input.chmod(0000)
+		rack_input.set_encoding(Encoding::BINARY) if rack_input.respond_to?(:set_encoding)
+      		rack_input.binmode
+      		if RUBY_PLATFORM !~ /(mswin|mingw|cygwin|java)/
+        	  rack_input.unlink
+		end
+
+		remains = env["CONTENT_LENGTH"].to_i
+		while remains > 0
+			if remains >= 4096
+				buf, sender = client.recvfrom(4096)
+			else
+				buf, sender = client.recvfrom(remains)
+			end
+
+			rack_input.write( buf )
+			remains -= buf.length
+		end
+
+	elsif env["CONTENT_LENGTH"].to_i > 0
+		rack_input =  StringIO.new(client.recvfrom(env["CONTENT_LENGTH"].to_i)[0])
+	else
+		rack_input = StringIO.new('')
+	end
+
+	rack_input.rewind
+
+        env.update({"rack.version" => [1,1],
+                     "rack.input" => rack_input,
+                     "rack.errors" => $stderr,
+
+                     "rack.multithread" => false,
+                     "rack.multiprocess" => true,
+                     "rack.run_once" => false,
+
+                     "rack.url_scheme" => ["yes", "on", "1"].include?(env["HTTPS"]) ? "https" : "http"
+                   })
+
+
+        app = Rack::ContentLength.new(app)
+
+        begin
+          status, headers, body = app.call(env)
+          begin
+            send_headers client, env["HTTP_VERSION"] ,status, headers
+            send_body client, body
+          ensure
+            body.close  if body.respond_to? :close
+          end
+	rescue Errno::EPIPE, Errno::ECONNRESET
+        ensure
+	  rack_input.close
+	  client.close
+        end
+      end
+
+      def self.send_headers(client, protocol, status, headers)
+	client.print "#{protocol} #{status} #{Rack::Utils::HTTP_STATUS_CODES[status]}\r\n"
+        headers.each { |k, vs|
+          vs.split("\n").each { |v|
+            client.print "#{k}: #{v}\r\n"
+          }
+        }
+        client.print "\r\n"
+        client.flush
+      end
+
+      def self.send_body(client, body)
+        body.each { |part|
+          client.print part
+          client.flush
+        }
+      end
+    end
+  end
+end

contrib/uwsgi_client.c

@@ -0,0 +1,96 @@
+/*
+
+ *** uWSGI cgi client ***
+
+ to compile:
+ gcc -Wall -o uwsgi_client.cgi uwsgi_client.c
+
+*/
+
+#include <unistd.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <stdlib.h>
+
+
+#define UWSGI_SOCK "/tmp/uwsgi.sock"
+
+int main() {
+	extern char **environ;
+	char *env;
+	struct sockaddr_un s_addr;
+	int uwsgi_socket;
+	int res, cnt;
+	char *place_holder;
+
+	unsigned short len;
+	char message[4096];
+	char *mptr;
+	char *content_length;
+
+	memset(&s_addr, 0, sizeof(struct sockaddr_un));
+
+	s_addr.sun_family = AF_UNIX;
+	strcpy(s_addr.sun_path, UWSGI_SOCK);
+
+	uwsgi_socket = socket(AF_UNIX, SOCK_STREAM, 0);
+	if (uwsgi_socket < 0) {
+		perror("socket()");
+		exit(1);
+	}
+
+	if (connect(uwsgi_socket, (struct sockaddr *) &s_addr, strlen(UWSGI_SOCK) + ( (void *)&s_addr.sun_path - (void *)&s_addr) ) != 0) {
+		perror("connect()");
+		exit(1);
+	}
+
+	memset(message, 0, 4096);
+
+	mptr = message+4;
+
+	if (**environ) {
+		while( (env = *environ) ) {
+			place_holder = strchr(env,'=');
+			// key
+			len = place_holder-env;
+			memcpy(mptr, &len, 2);
+			mptr+=2;
+			memcpy(mptr, env, len);
+			mptr+=len;
+			// value
+			len = (unsigned short) (env+strlen(env) - (place_holder+1));
+			memcpy(mptr, &len, 2);
+			mptr+=2;
+			memcpy(mptr, place_holder+1, len);
+			mptr+= len;
+			*environ++;
+		}
+	}
+
+	message[0] = 0;
+	len = (mptr-message)-4;
+	memcpy(message+1, &len, 2);
+	message[3] = 0;
+
+	res = send(uwsgi_socket, message, mptr-message, 0);
+
+	if ( (content_length = getenv("CONTENT_LENGTH")) != NULL) {
+		if (atoi(content_length) > 0) {
+			while( (cnt = read(0, message, 4096)) ) {
+				send(uwsgi_socket, message, cnt, 0);
+			}
+		}
+	}
+
+	if (res == mptr-message) {
+		while( (res = recv(uwsgi_socket, message, 4096,0)) ) {
+			write(1, message, res);
+		}
+	}
+
+	return 0;
+
+}
+

contrib/uwsgi_dynamic_client.c

@@ -0,0 +1,95 @@
+/*
+
+ *** uWSGI cgi client ***
+
+ to compile:
+ gcc -Wall -o uwsgi_client.cgi uwsgi_dynamic_client.c
+
+*/
+
+#include <unistd.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <stdlib.h>
+
+
+#define UWSGI_SOCK "/tmp/uwsgi.sock"
+#define UWSGI_SCRIPT "myapp_wsgi"
+
+int main() {
+	extern char **environ;
+	char *env;
+	struct sockaddr_un s_addr;
+	int uwsgi_socket;
+	int res, cnt;
+	char *place_holder;
+
+	unsigned short len;
+	char message[4096];
+	char *mptr;
+
+	memset(&s_addr, 0, sizeof(struct sockaddr_un));
+
+	s_addr.sun_family = AF_UNIX;
+	strcpy(s_addr.sun_path, UWSGI_SOCK);
+
+	uwsgi_socket = socket(AF_UNIX, SOCK_STREAM, 0);
+	if (uwsgi_socket < 0) {
+		perror("socket()");
+		exit(1);
+	}
+
+	if (connect(uwsgi_socket, (struct sockaddr *) &s_addr, strlen(UWSGI_SOCK) + ( (void *)&s_addr.sun_path - (void *)&s_addr) ) != 0) {
+		perror("connect()");
+		exit(1);
+	}
+
+	memset(message, 0, 4096);
+
+	mptr = message+4;
+	if (setenv("UWSGI_SCRIPT", UWSGI_SCRIPT, 1) != 0) {
+		perror("setenv()");
+		exit(1);
+	}
+	if (**environ) {
+		while( (env = *environ) ) {
+			place_holder = strchr(env,'=');
+			// key
+			len = place_holder-env;
+			memcpy(mptr, &len, 2);
+			mptr+=2;
+			memcpy(mptr, env, len);
+			mptr+=len;
+			// value
+			len = (unsigned short) (env+strlen(env) - (place_holder+1));
+			memcpy(mptr, &len, 2);
+			mptr+=2;
+			memcpy(mptr, place_holder+1, len);
+			mptr+= len;
+			*environ++;
+		}
+	}
+
+	message[0] = 0;
+	len = (mptr-message)-4;
+	memcpy(message+1, &len, 2);
+	message[3] = 0;
+
+	res = send(uwsgi_socket, message, mptr-message, 0);
+
+	while( (cnt = read(0, message, 4096)) ) {
+		send(uwsgi_socket, message, cnt, 0);
+	}
+
+	if (res == mptr-message) {
+		while( (res = recv(uwsgi_socket, message, 4096,0)) ) {
+			write(1, message, res);
+		}
+	}
+
+	return 0;
+
+}
+

debian/DEBIAN/control

@@ -1,6 +0,0 @@
-Package: uwsgi
-Version: 0.9.2
-Maintainer: Unbit
-Description: Fast, developer-friendly wsgi server
-Architecture: i386
-Depends: python2.5, libxml2

django/uwsgi_admin/templates/uwsgi.html

@@ -0,0 +1,90 @@
+{% extends "admin/base_site.html" %}
+
+{% load i18n %}
+
+
+{% block breadcrumbs %}
+<div class="breadcrumbs">
+    <a href="../">{% trans 'Home' %}</a> &rsaquo;
+    {% trans 'uWSGI' %}
+</div>
+{% endblock %}
+
+
+{% block content %}
+<div id="content-main">
+<h1>uWSGI status</h1>
+<b>masterpid:</b> {{masterpid}}<br/>
+<b>started_on:</b> {{started_on}}<br/>
+<b>buffer size:</b> {{buffer_size}}<br/>
+<b>workers:</b> {{numproc}}<br/>
+<b>total requests:</b> {{total_requests}}<br/>
+
+<br/>
+
+<div class="module" style="width:860px">
+<table>
+	<caption style="width:860px">workers</caption>
+	<thead>
+		<tr>
+			<th scope="row">id</th>
+			<th scope="row">pid</th>
+			<th scope="row">requests</th>
+			<th scope="row">running time (milliseconds)</th>
+			<th scope="row">load</th>
+			<th scope="row">last spawn</th>
+			<th scope="row">respawn count</th>
+			<th scope="row">address space (vsz)</th>
+			<th scope="row">resident memory (rss)</th>
+		</tr>
+	</thead>
+	<tbody>
+{% for w in workers %}
+	<tr>
+		<td align="center">{{w.id}}</td>
+		<td align="center">{{w.pid}}</td>
+		<td align="right">{{w.requests}}</td>
+		<td align="right">{{w.running_time}}</td>
+		<td align="right">{{w.load|floatformat:2}} %</td>
+		<td align="right">{{w.last_spawn_str}}</td>
+		<td align="right">{{w.respawn_count}}</td>
+		<td align="right">{{w.vsz|filesizeformat}}</td>
+		<td align="right">{{w.rss|filesizeformat}}</td>
+	</tr>
+{% endfor %}
+	</tbody>
+</table>
+</div>
+
+<div class="module" style="width:860px">
+<table>
+	<caption style="width:860px">spooler jobs</caption>
+	<thead>
+		<tr>
+			<th scope="row">job filename</th>
+			<th scope="row">environment</th>
+		</tr>
+	</thead>
+	<tbody>
+{% for j in jobs %}
+	<tr>
+		<td align="left">{{j.file}}</td>
+		<td align="left">{{j.env}}</td>
+	</tr>
+{% endfor %}
+	</tbody>
+</table>
+</div>
+
+{% if masterpid %}
+<br/>
+<form {% if has_file_field %}enctype="multipart/form-data" {% endif %}action="reload/" method="post">
+{% csrf_token %}
+<input type="submit" value="gracefully reload uWSGI" name="_reload"/>
+</form>
+{% endif %}
+
+</div>
+
+{% endblock %}
+

django/uwsgi_admin/urls.py

@@ -0,0 +1,10 @@
+import sys, os
+sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+
+from django.conf.urls.defaults import *
+
+urlpatterns = patterns('uwsgi_admin.views',
+                        (r'^$', 'index'),
+                        (r'^reload/$', 'reload')
+                )
+

django/uwsgi_admin/views.py

@@ -0,0 +1,41 @@
+import uwsgi
+import time
+from django.shortcuts import render_to_response
+from django.template import RequestContext
+from django.contrib.admin.views.decorators import staff_member_required
+from django.core.urlresolvers import reverse
+from django.http import HttpResponseRedirect
+
+
+def index(request):
+	workers = uwsgi.workers()
+	total_load = time.time() - uwsgi.started_on
+	for w in workers:
+		w['load'] = (100 * (w['running_time']/1000))/total_load
+		w['last_spawn_str'] = time.ctime(w['last_spawn'])
+
+	spooler_jobs = uwsgi.spooler_jobs()
+	jobs = []
+	for j in spooler_jobs:
+		jobs.append({'file': j, 'env': uwsgi.parsefile(j)})
+
+	return render_to_response('uwsgi.html', {'masterpid': uwsgi.masterpid(),
+						'started_on': time.ctime(uwsgi.started_on),
+						'buffer_size': uwsgi.buffer_size,
+						'total_requests': uwsgi.total_requests(),
+						'numproc': uwsgi.numproc,
+						'workers': workers,
+						'jobs': jobs,
+						}, RequestContext(request, {}))
+index = staff_member_required(index)
+
+def reload(request):
+	if uwsgi.masterpid() > 0:
+		uwsgi.reload()
+		request.user.message_set.create(message="uWSGI reloaded")
+	else:
+		request.user.message_set.create(message="The uWSGI master process is not active")
+
+	return HttpResponseRedirect(reverse(index))
+
+reload = staff_member_required(reload)

emperor.c

@@ -0,0 +1,348 @@
+#include "uwsgi.h"
+#include <glob.h>
+
+
+extern struct uwsgi_server uwsgi;
+extern char **environ;
+
+struct uwsgi_instance {
+	struct uwsgi_instance *ui_prev;
+	struct uwsgi_instance *ui_next;
+
+	char name[0xff];
+	pid_t pid ;
+
+	int status;
+	time_t born;
+	time_t last_mod;
+
+	uint64_t respawns;
+
+	int pipe[2];
+};
+
+struct uwsgi_instance *ui;
+
+struct uwsgi_instance *emperor_get(char *name) {
+	
+	struct uwsgi_instance *c_ui = ui;
+	
+	while(c_ui->ui_next) {
+		c_ui = c_ui->ui_next;
+
+		if (!strcmp(c_ui->name, name)) {
+			return c_ui;
+		}
+	}
+	return NULL;
+}
+
+void emperor_del(struct uwsgi_instance *c_ui) {
+
+	struct uwsgi_instance *parent_ui = c_ui->ui_prev;
+	struct uwsgi_instance *child_ui = c_ui->ui_next;
+
+	parent_ui->ui_next = child_ui;
+	if (child_ui) {
+		child_ui->ui_prev = parent_ui;
+	}
+
+	// this will destroy the whole uWSGI instance (and workers)
+	close(c_ui->pipe[0]);
+
+	uwsgi_log("removed uwsgi instance %s\n", c_ui->name);
+
+	free(c_ui);
+
+}
+
+void emperor_stop(struct uwsgi_instance *c_ui) {
+	// remove uWSGI instance
+
+	if (write(c_ui->pipe[0], "\0", 1) != 1) {
+		uwsgi_error("write()");
+	}
+
+	c_ui->status = 1;
+
+	uwsgi_log("stop the uwsgi instance %s\n", c_ui->name);
+}
+
+void emperor_respawn(struct uwsgi_instance *c_ui, time_t mod) {
+
+	// reload the uWSGI instance
+	if (write(c_ui->pipe[0], "\1", 1) != 1) {
+                uwsgi_error("write()");
+        }
+
+        c_ui->respawns++;
+	c_ui->last_mod = mod;
+
+        uwsgi_log("reload the uwsgi instance %s\n", c_ui->name);
+}
+
+void emperor_add(char *name, time_t born) {
+
+	struct uwsgi_instance *c_ui = ui;
+	struct uwsgi_instance *n_ui = NULL;
+	pid_t pid ;
+	char *argv[4];
+	char *uef ;
+	char **uenvs;
+
+        while(c_ui->ui_next) {
+                c_ui = c_ui->ui_next;
+        }
+
+	n_ui = uwsgi_malloc(sizeof(struct uwsgi_instance));
+	memset(n_ui, 0, sizeof(struct uwsgi_instance));
+
+	c_ui->ui_next = n_ui;
+	uwsgi_log("c_ui->ui_next = %p\n", c_ui->ui_next);
+	n_ui->ui_prev = c_ui;
+	memcpy(n_ui->name, name, strlen(name));
+	n_ui->born = born;
+	n_ui->last_mod = born;
+
+	if (socketpair(AF_UNIX, SOCK_STREAM, 0, n_ui->pipe)) {
+		uwsgi_error("socketpair()");
+		goto clear;
+	}
+
+	// a new uWSGI instance will start 
+	pid = fork();
+	if (pid < 0) {
+		uwsgi_error("fork()")
+	}
+	else if (pid > 0) {
+		n_ui->pid = pid;
+		// close the right side of the pipe
+		close(n_ui->pipe[1]);
+		return;
+	}
+	else {
+		uef = uwsgi_num2str(n_ui->pipe[1]);
+		if (setenv("UWSGI_EMPEROR_FD", uef, 1)) {
+			uwsgi_error("setenv()");
+			exit(1);
+		}
+		free(uef);
+
+		uenvs = environ;
+		while(*uenvs) {
+			if (!strncmp(*uenvs, "UWSGI_VASSAL_", 13)) {
+				char *ne = uwsgi_concat2("UWSGI_", *uenvs+13);
+				char *oe = uwsgi_concat2n(*uenvs, strchr(*uenvs, '=') - *uenvs, "", 0);
+				if (unsetenv(oe)) {
+					uwsgi_error("unsetenv()");
+					break;
+				}
+				free(oe);
+				uwsgi_log("putenv %s\n", ne);
+
+				if (putenv(ne)) {
+					uwsgi_error("putenv()");
+				}
+				// do not free ne as putenv will add it to the environ
+				uenvs = environ;
+				continue;
+			}
+			uenvs++;
+		}
+
+		// close the left side of the pipe
+		close(n_ui->pipe[0]);
+
+
+		// set args
+		argv[0] = uwsgi.binary_path;
+		if (!strcmp(name+(strlen(name)-4), ".xml")) argv[1] = "--xml";
+		if (!strcmp(name+(strlen(name)-4), ".ini")) argv[1] = "--ini";
+		if (!strcmp(name+(strlen(name)-4), ".yml")) argv[1] = "--yaml";
+		if (!strcmp(name+(strlen(name)-5), ".yaml")) argv[1] = "--yaml";
+		argv[2] = name;
+		argv[3] = NULL;
+		// start !!!
+		if (execvp(argv[0], argv)) {
+			uwsgi_error("execvp()");
+		}
+		// never here
+		exit(1);
+	}
+
+clear:
+
+	free(n_ui);
+	c_ui->ui_next = NULL;
+
+}
+
+void emperor_loop() {
+
+	// monitor a directory
+
+	struct uwsgi_instance ui_base;
+	struct uwsgi_instance *ui_current;
+	struct stat st;
+
+	pid_t diedpid;
+	int waitpid_status;
+	int has_children = 0;
+	int i_am_alone = 0;
+	int simple_mode = 0;
+	glob_t g;
+	int i;
+	struct dirent *de;
+
+	memset(&ui_base, 0, sizeof(struct uwsgi_instance));
+
+	uwsgi_log("*** starting uWSGI Emperor ***\n");
+
+	if (!glob(uwsgi.emperor_dir, GLOB_MARK, NULL, &g)) {
+		if (g.gl_pathc == 1 && g.gl_pathv[0][strlen(g.gl_pathv[0])-1] == '/' ) {
+			simple_mode = 1;
+			if (chdir(uwsgi.emperor_dir)) {
+				uwsgi_error("chdir()");
+				exit(1);
+			}
+		}
+	}
+	else {
+		uwsgi_error("glob()");
+		exit(1);
+	}
+
+	ui = &ui_base;
+
+	for(;;) {
+
+
+		if (!i_am_alone) {
+			diedpid = waitpid(uwsgi.emperor_pid, &waitpid_status, WNOHANG);
+			if (diedpid < 0) {
+				uwsgi_error("waitpid()");
+			}
+			else if (diedpid > 0) {
+				i_am_alone = 1;
+			}
+		}
+
+		if (simple_mode) {
+			DIR *dir = opendir(".");
+			while((de = readdir(dir)) != NULL) {
+				if (!strcmp(de->d_name+(strlen(de->d_name)-4), ".xml") ||
+					!strcmp(de->d_name+(strlen(de->d_name)-4), ".ini") ||
+					!strcmp(de->d_name+(strlen(de->d_name)-4), ".yml") ||
+					!strcmp(de->d_name+(strlen(de->d_name)-5), ".yaml")
+					) {
+
+				
+					if (strlen(de->d_name) >= 0xff) continue;
+
+					if (stat(de->d_name, &st)) continue;
+
+					if (!S_ISREG(st.st_mode)) continue;
+		
+					ui_current = emperor_get(de->d_name);
+
+					if (ui_current) {
+						// check if mtime is changed and the uWSGI instance must be reloaded
+						if (st.st_mtime > ui_current->last_mod) {
+							emperor_respawn(ui_current, st.st_mtime);
+						}
+					}
+					else {
+						emperor_add(de->d_name, st.st_mtime);
+					}
+				}
+			}
+			closedir(dir);
+		}
+		else {
+			if (glob(uwsgi.emperor_dir, GLOB_MARK, NULL, &g)) {
+				uwsgi_error("glob()");
+				continue;
+			}
+
+			for(i=0;i<(int)g.gl_pathc;i++) {
+				if (!strcmp(g.gl_pathv[i]+(strlen(g.gl_pathv[i])-4), ".xml") ||
+                                        !strcmp(g.gl_pathv[i]+(strlen(g.gl_pathv[i])-4), ".ini") ||
+                                        !strcmp(g.gl_pathv[i]+(strlen(g.gl_pathv[i])-4), ".yml") ||
+                                        !strcmp(g.gl_pathv[i]+(strlen(g.gl_pathv[i])-5), ".yaml")
+                                        ) {
+
+
+                                        if (strlen(g.gl_pathv[i]) >= 0xff) continue;
+
+                                        if (stat(g.gl_pathv[i], &st)) continue;
+
+                                        if (!S_ISREG(st.st_mode)) continue;
+
+                                        ui_current = emperor_get(g.gl_pathv[i]);
+
+                                        if (ui_current) {
+                                                // check if mtime is changed and the uWSGI instance must be reloaded
+                                                if (st.st_mtime > ui_current->last_mod) {
+                                                        emperor_respawn(ui_current, st.st_mtime);
+                                                }
+                                        }
+                                        else {
+                                                emperor_add(g.gl_pathv[i], st.st_mtime);
+                                        }
+                                }
+	
+			}
+		}
+
+		// check for removed instances
+
+		ui_current = ui;
+		has_children = 0;
+                while(ui_current->ui_next) {
+                	ui_current = ui_current->ui_next;
+			has_children++;
+		}
+
+		if (has_children) {
+			diedpid = waitpid(WAIT_ANY, &waitpid_status, WNOHANG);
+		}
+		else {
+			diedpid = 0;
+		}
+		if (diedpid < 0) {
+			uwsgi_error("waitpid()");
+		}
+		ui_current = ui;
+        	while(ui_current->ui_next) {
+                	ui_current = ui_current->ui_next;
+			if (ui_current->pid == diedpid) {
+				if (ui_current->status == 0) {
+					// respawn an accidentally dead instance
+					emperor_add(ui_current->name, ui_current->last_mod);
+					emperor_del(ui_current);
+					break;
+				}
+				else if (ui_current->status == 1) {
+					// remove 'marked for dead' instance
+					emperor_del(ui_current);
+					break;
+				}
+			}
+			else if (ui_current->status == 1) {
+				emperor_del(ui_current);
+				break;
+			}
+			else if (stat(ui_current->name, &st)) {
+				emperor_stop(ui_current);
+			}
+        	}
+
+		sleep(3);
+		
+	}
+	
+}
+
+
+
+

evdis.c

@@ -0,0 +1,22 @@
+#ifdef UWSGI_EVDIS
+
+#include "uwsgi.h"
+
+void evdis_loop(struct uwsgi_server *uwsgi) {
+
+	// populate event list
+
+	int kfd = kqueue();
+	if (kfd < 0) {
+		uwsgi_error("kqueue()");
+		exit(1);
+	}
+	
+	
+}
+
+
+
+#else
+#warning "*** Event Dispatcher support is disabled ***"
+#endif

event.c

@@ -0,0 +1,833 @@
+#include "uwsgi.h"
+
+extern struct uwsgi_server uwsgi;
+
+#ifdef UWSGI_EVENT_USE_PORT
+
+#include <port.h>
+
+int event_queue_init() {
+
+        int port = port_create();
+
+        if (port < 0) {
+                uwsgi_error("port_create()");
+                return -1;
+        }
+
+        return port;
+}
+
+int event_queue_del_fd(int eq, int fd) {
+
+        if (port_dissociate(eq, PORT_SOURCE_FD, fd)) {
+                uwsgi_error("port_disassociate");
+                return -1;
+        }
+
+        return fd;
+}
+
+
+int event_queue_interesting_fd_has_error(void *events, int id) {
+	port_event_t *pe = (port_event_t *) events;
+	if (pe[id].portev_events == POLLHUP || pe[id].portev_events == POLLERR) {
+                return 1;
+        }
+        return 0;
+}
+
+
+
+int event_queue_add_fd_read(int eq, int fd) {
+
+        if (port_associate(eq, PORT_SOURCE_FD, fd, POLLIN, NULL)) {
+                uwsgi_error("port_associate");
+                return -1;
+        }
+
+        return fd;
+}
+
+int event_queue_add_fd_write(int eq, int fd) {
+
+        if (port_associate(eq, PORT_SOURCE_FD, fd, POLLOUT, NULL)) {
+                uwsgi_error("port_associate");
+                return -1;
+        }
+
+        return fd;
+}
+
+void *event_queue_alloc(int nevents) {
+
+        return uwsgi_malloc(sizeof(port_event_t) * nevents);
+}
+
+int event_queue_interesting_fd(void *events, int id) {
+	port_event_t *pe = (port_event_t *) events;
+	if (pe[id].portev_source == PORT_SOURCE_FILE || pe[id].portev_source == PORT_SOURCE_TIMER) {
+                return (int) pe[id].portev_user;
+        }
+
+	return (int) pe[id].portev_object;
+}
+
+int event_queue_wait_multi(int eq, int timeout, void *events, int nevents) {
+
+        int ret;
+	uint_t nget;
+	int i;
+	timespec_t ts;
+	port_event_t *pe;
+
+	if (timeout > 0) {
+                ts.tv_sec = timeout;
+                ts.tv_nsec = 0;
+                ret = port_getn(eq, events, nevents, &nget, &ts);
+        }
+        else {
+                ret = port_getn(eq, events, nevents, &nget, NULL);
+        }
+
+	if (ret < 0) {
+                if (errno != ETIME) {
+                        uwsgi_error("port_getn()");
+                        return -1;
+                }
+                return 0;
+        }
+
+	pe = (port_event_t *) events;
+	for(i=0;i<nget;i++) {
+		if (pe[i].portev_source == PORT_SOURCE_FD) {
+			if (port_associate(eq, pe[i].portev_source, pe[i].portev_object, pe[i].portev_events, NULL)) {
+                		uwsgi_error("port_associate");
+        		}
+		}
+	}
+
+        return nget;
+}
+
+
+
+int event_queue_wait(int eq, int timeout, int *interesting_fd) {
+
+        int ret;
+	port_event_t pe;
+	timespec_t ts;
+
+        if (timeout > 0) {
+		ts.tv_sec = timeout;
+		ts.tv_nsec = 0;
+        	ret = port_get(eq, &pe, &ts);
+        }
+	else {
+        	ret = port_get(eq, &pe, NULL);
+	}
+        if (ret < 0) {
+		if (errno != ETIME) {
+                	uwsgi_error("port_get()");
+			return -1;
+		}
+		return 0;
+        }
+
+	if (pe.portev_source == PORT_SOURCE_FD) {
+		// event must be readded (damn Oracle/Sun why the fu*k you made such a horrible choice ???? why not adding a ONESHOT flag ???)
+		if (port_associate(eq, pe.portev_source, pe.portev_object, pe.portev_events, NULL)) {
+                	uwsgi_error("port_associate");
+        	}
+	}
+
+
+	if (pe.portev_source == PORT_SOURCE_FILE || pe.portev_source == PORT_SOURCE_TIMER) {
+        	*interesting_fd = (int) pe.portev_user;
+		uwsgi_log("port event interesting_fd: %d\n", *interesting_fd);
+	}
+	else {
+		*interesting_fd = (int) pe.portev_object;
+	}
+
+        return 1;
+}
+
+#endif
+
+
+#ifdef UWSGI_EVENT_USE_EPOLL
+
+#include <sys/epoll.h>
+
+int event_queue_init() {
+
+        int epfd;
+
+        epfd = epoll_create(256);
+
+        if (epfd < 0) {
+                uwsgi_error("epoll_create()");
+                return -1;
+        }
+
+        return epfd;
+}
+
+
+int event_queue_add_fd_read(int eq, int fd) {
+
+        struct epoll_event ee;
+
+        memset(&ee, 0, sizeof(struct epoll_event));
+        ee.events = EPOLLIN;
+        ee.data.fd = fd;
+
+        if (epoll_ctl(eq, EPOLL_CTL_ADD, fd, &ee)) {
+                uwsgi_error("epoll_ctl()");
+                return -1;
+        }
+
+        return fd;
+}
+
+int event_queue_fd_write_to_read(int eq, int fd) {
+
+        struct epoll_event ee;
+
+        memset(&ee, 0, sizeof(struct epoll_event));
+        ee.events = EPOLLIN;
+        ee.data.fd = fd;
+
+        if (epoll_ctl(eq, EPOLL_CTL_MOD, fd, &ee)) {
+                uwsgi_error("epoll_ctl()");
+                return -1;
+        }
+
+        return fd;
+}
+
+int event_queue_del_fd(int eq, int fd) {
+
+        struct epoll_event ee;
+
+        memset(&ee, 0, sizeof(struct epoll_event));
+        ee.data.fd = fd;
+
+        if (epoll_ctl(eq, EPOLL_CTL_DEL, fd, &ee)) {
+                uwsgi_error("epoll_ctl()");
+                return -1;
+        }
+
+        return fd;
+}
+
+int event_queue_add_fd_write(int eq, int fd) {
+
+        struct epoll_event ee;
+
+        memset(&ee, 0, sizeof(struct epoll_event));
+        ee.events = EPOLLOUT;
+        ee.data.fd = fd;
+
+        if (epoll_ctl(eq, EPOLL_CTL_ADD, fd, &ee)) {
+                uwsgi_error("epoll_ctl()");
+                return -1;
+        }
+
+        return fd;
+}
+
+void *event_queue_alloc(int nevents) {
+
+	return uwsgi_malloc(sizeof(struct epoll_event) * nevents);
+}
+
+int event_queue_interesting_fd(void *events, int id) {
+	struct epoll_event *ee = (struct epoll_event *) events;
+	return ee[id].data.fd;
+}
+
+int event_queue_interesting_fd_has_error(void *events, int id) {
+	struct epoll_event *ee = (struct epoll_event *) events;
+	if (ee[id].events == EPOLLHUP || ee[id].events == EPOLLERR || (ee[id].events == (EPOLLERR|EPOLLHUP))) {
+		return 1;
+	}
+	return 0;
+}
+
+int event_queue_wait_multi(int eq, int timeout, void *events, int nevents) {
+
+	int ret;
+
+	if (timeout > 0) {
+                timeout = timeout*1000;
+        }
+
+        ret = epoll_wait(eq, (struct epoll_event *) events, nevents, timeout);
+        if (ret < 0) {
+		if (errno != EINTR)
+                	uwsgi_error("epoll_wait()");
+        }
+
+        return ret;
+}
+
+int event_queue_wait(int eq, int timeout, int *interesting_fd) {
+
+        int ret;
+	struct epoll_event ee;
+
+        if (timeout > 0) {
+                timeout = timeout*1000;
+        }
+
+        ret = epoll_wait(eq, &ee, 1, timeout);
+        if (ret < 0) {
+		if (errno != EINTR)
+                	uwsgi_error("epoll_wait()");
+        }
+
+	if (ret > 0) {
+                *interesting_fd = ee.data.fd;
+        }
+
+        return ret;
+}
+
+#endif
+
+#ifdef UWSGI_EVENT_USE_KQUEUE
+int event_queue_init() {
+
+	int kfd = kqueue();
+
+        if (kfd < 0) {
+                uwsgi_error("kqueue()");
+                return -1;
+        }
+
+	return kfd;
+}
+
+int event_queue_fd_write_to_read(int eq, int fd) {
+
+	struct kevent kev;
+
+        EV_SET(&kev, fd, EVFILT_WRITE, EV_DISABLE, 0, 0, 0);
+        if (kevent(eq, &kev, 1, NULL, 0, NULL) < 0) {
+                uwsgi_error("kevent()");
+                return -1;
+        }
+
+        EV_SET(&kev, fd, EVFILT_READ, EV_ADD, 0, 0, 0);
+        if (kevent(eq, &kev, 1, NULL, 0, NULL) < 0) {
+                uwsgi_error("kevent()");
+                return -1;
+        }
+	
+	return fd;
+}
+
+int event_queue_del_fd(int eq, int fd) {
+
+	struct kevent kev;
+
+        EV_SET(&kev, fd, EVFILT_READ, EV_DELETE, 0, 0, 0);
+        if (kevent(eq, &kev, 1, NULL, 0, NULL) < 0) {
+                uwsgi_error("kevent()");
+                return -1;
+        }
+	
+	return fd;
+}
+
+int event_queue_add_fd_read(int eq, int fd) {
+
+	struct kevent kev;
+
+        EV_SET(&kev, fd, EVFILT_READ, EV_ADD, 0, 0, 0);
+        if (kevent(eq, &kev, 1, NULL, 0, NULL) < 0) {
+                uwsgi_error("kevent()");
+                return -1;
+        }
+	
+	return fd;
+}
+
+int event_queue_add_fd_write(int eq, int fd) {
+
+	struct kevent kev;
+
+        EV_SET(&kev, fd, EVFILT_WRITE, EV_ADD, 0, 0, 0);
+        if (kevent(eq, &kev, 1, NULL, 0, NULL) < 0) {
+                uwsgi_error("kevent()");
+                return -1;
+        }
+	
+	return 0;
+}
+
+void *event_queue_alloc(int nevents) {
+
+        return uwsgi_malloc(sizeof(struct kevent) * nevents);
+}
+
+int event_queue_wait_multi(int eq, int timeout, void *events, int nevents) {
+
+        int ret;
+        struct timespec ts;
+
+        if (timeout < 0) {
+                ret = kevent(eq, NULL, 0, events, nevents, NULL);
+        }
+        else {
+                memset(&ts, 0, sizeof(struct timespec));
+                ts.tv_sec = timeout;
+                ret = kevent(eq, NULL, 0, (struct kevent *)events, nevents, &ts);
+        }
+
+        if (ret < 0) {
+                uwsgi_error("kevent()");
+        }
+
+        return ret;
+
+}
+
+int event_queue_interesting_fd(void *events, int id) {
+
+	struct kevent *ev = (struct kevent *) events;
+	return ev[id].ident;
+}
+
+int event_queue_interesting_fd_has_error(void *events, int id) {
+	struct kevent *ev = (struct kevent *) events;
+
+        if (  ( (ev[id].flags == EV_ERROR) || (ev[id].flags == EV_EOF) || (ev[id].flags == (EV_EOF|EV_ERROR))) ) {
+                return 1;
+        }
+        return 0;
+}
+
+
+
+int event_queue_wait(int eq, int timeout, int *interesting_fd) {
+
+	int ret;
+	struct timespec ts;
+	struct kevent ev;
+
+	if (timeout <= 0) {
+        	ret = kevent(eq, NULL, 0, &ev, 1, NULL);
+        }
+        else {
+                memset(&ts, 0, sizeof(struct timespec));
+                ts.tv_sec = timeout;
+                ret = kevent(eq, NULL, 0, &ev, 1, &ts);
+        }
+
+        if (ret < 0) {
+                uwsgi_error("kevent()");
+        }
+
+	if (ret > 0) {
+		*interesting_fd = ev.ident;
+	}
+
+	return ret;
+
+}
+#endif
+
+#ifdef UWSGI_EVENT_FILEMONITOR_USE_NONE
+int event_queue_add_file_monitor(int eq, char *filename, int *id) { return -1;}
+struct uwsgi_fmon *event_queue_ack_file_monitor(int eq, int id) {return NULL;}
+#endif
+
+#ifdef UWSGI_EVENT_FILEMONITOR_USE_PORT
+int event_queue_add_file_monitor(int eq, char *filename, int *id) {
+
+	struct file_obj fo;
+	struct stat st;
+	static int fmon_id = 0xffffee00;
+
+	if (stat(filename, &st)) {
+		uwsgi_error("stat()");
+		return -1;
+	}
+
+	fo.fo_name = filename;
+	fo.fo_atime = st.st_atim;
+	fo.fo_mtime = st.st_mtim;
+	fo.fo_ctime = st.st_ctim;
+	
+	fmon_id++;
+	if (port_associate(eq, PORT_SOURCE_FILE, (uintptr_t) &fo, FILE_MODIFIED|FILE_ATTRIB, (void *) fmon_id)) {
+		uwsgi_error("port_associate()");
+		return -1;
+	}
+
+
+	*id = fmon_id;
+
+        uwsgi_log("added new file to monitor %s [%d]\n", filename, *id);
+
+        return *id;
+}
+
+struct uwsgi_fmon *event_queue_ack_file_monitor(int eq, int id) {
+
+        int i;
+	struct file_obj fo;
+        struct stat st;
+
+        for(i=0;i<ushared->files_monitored_cnt;i++) {
+                if (ushared->files_monitored[i].registered) {
+                        if (ushared->files_monitored[i].fd == id) {
+				if (stat(ushared->files_monitored[i].filename, &st)) {
+                			uwsgi_error("stat()");
+                			return NULL;
+        			}			
+				fo.fo_name = ushared->files_monitored[i].filename;
+        			fo.fo_atime = st.st_atim;
+        			fo.fo_mtime = st.st_mtim;
+        			fo.fo_ctime = st.st_ctim;
+				if (port_associate(eq, PORT_SOURCE_FILE, (uintptr_t) &fo, FILE_MODIFIED|FILE_ATTRIB, (void *)id)) {
+                			uwsgi_error("port_associate()");
+                			return NULL;
+        			}
+                                return &ushared->files_monitored[i];
+                        }
+                }
+        }
+
+        return NULL;
+
+}
+
+#endif
+
+
+#ifdef UWSGI_EVENT_FILEMONITOR_USE_KQUEUE
+int event_queue_add_file_monitor(int eq, char *filename, int *id) {
+
+	struct kevent kev;
+
+	int fd = open(filename, O_RDONLY);
+	if (fd < 0) {
+		uwsgi_error("open()");
+		return -1;
+	}
+	
+        EV_SET(&kev, fd, EVFILT_VNODE, EV_ADD|EV_CLEAR, NOTE_WRITE|NOTE_DELETE|NOTE_EXTEND|NOTE_ATTRIB|NOTE_RENAME|NOTE_REVOKE, 0, 0);
+        if (kevent(eq, &kev, 1, NULL, 0, NULL) < 0) {
+                uwsgi_error("kevent()");
+                return -1;
+        }
+
+	*id = fd;
+
+	uwsgi_log("added new file to monitor %s\n", filename);
+	
+	return fd;
+}
+
+struct uwsgi_fmon *event_queue_ack_file_monitor(int eq, int id) {
+
+	int i;
+
+        for(i=0;i<ushared->files_monitored_cnt;i++) {
+        	if (ushared->files_monitored[i].registered) {
+                	if (ushared->files_monitored[i].fd == id) {
+                        	return &ushared->files_monitored[i];
+			}
+		}
+        }
+
+        return NULL;
+
+}
+
+#endif
+
+#ifdef UWSGI_EVENT_FILEMONITOR_USE_INOTIFY
+#include <sys/inotify.h>
+
+int event_queue_add_file_monitor(int eq, char *filename, int *id) {
+
+	int ifd = -1;
+	int i;
+	int add_to_queue = 0;
+
+	for (i=0;i<ushared->files_monitored_cnt;i++) {
+		if (ushared->files_monitored[i].registered) {
+			ifd = ushared->files_monitored[0].fd;
+			break;
+		}
+	}
+
+	if (ifd == -1) {
+		ifd = inotify_init();
+		if (ifd < 0) {
+			uwsgi_error("inotify_init()");
+			return -1;
+		}		
+		add_to_queue = 1;
+	}
+
+	*id = inotify_add_watch(ifd, filename, IN_ATTRIB|IN_CREATE|IN_DELETE|IN_DELETE_SELF|IN_MODIFY|IN_MOVE_SELF|IN_MOVED_FROM|IN_MOVED_TO);
+		
+	uwsgi_log("added watch %d for filename %s\n", *id, filename);
+
+	if (add_to_queue) {
+		return event_queue_add_fd_read(eq, ifd);
+	}
+	else {
+		return ifd;
+	}
+}
+
+struct uwsgi_fmon *event_queue_ack_file_monitor(int eq, int id) {
+
+	ssize_t rlen = 0;
+	struct inotify_event ie, *bie, *iie;
+	int i,j;
+	int items = 0;
+
+	unsigned int isize = sizeof(struct inotify_event);
+	struct uwsgi_fmon *uf = NULL;
+
+	if (ioctl(id, FIONREAD, &isize) < 0) {
+		uwsgi_error("ioctl()");
+		return NULL;
+	}
+
+	if (isize > sizeof(struct inotify_event)) {
+		bie = uwsgi_malloc(isize);
+		rlen = read(id, bie, isize);
+	}
+	else {
+		rlen = read(id, &ie, sizeof(struct inotify_event));
+		bie = &ie;
+	}
+
+	if (rlen < 0) {
+		uwsgi_error("read()");
+	}
+	else {
+		items = isize/(sizeof(struct inotify_event));
+		uwsgi_log("inotify returned %d items\n", items);
+		for(j=0;j<items;j++) {	
+			iie = &bie[j];
+			for(i=0;i<ushared->files_monitored_cnt;i++) {
+				if (ushared->files_monitored[i].registered) {
+					if (ushared->files_monitored[i].fd == id && ushared->files_monitored[i].id == iie->wd) {
+						uf = &ushared->files_monitored[i];
+					}
+				}
+			}
+
+		}	
+
+		if (items > 1) {
+			free(bie);
+		}
+
+		return uf;
+	}
+	
+	return NULL;
+	
+}
+#endif
+
+#ifdef UWSGI_EVENT_TIMER_USE_TIMERFD
+
+#ifndef UWSGI_EVENT_TIMER_USE_TIMERFD_NOINC
+#include <sys/timerfd.h>
+#endif
+
+#ifndef TFD_CLOEXEC
+
+// timerfd support
+
+enum
+  {
+    TFD_CLOEXEC = 02000000,
+#define TFD_CLOEXEC TFD_CLOEXEC
+    TFD_NONBLOCK = 04000
+#define TFD_NONBLOCK TFD_NONBLOCK
+  };
+
+
+/* Bits to be set in the FLAGS parameter of `timerfd_settime'.  */
+enum
+  {
+    TFD_TIMER_ABSTIME = 1 << 0
+#define TFD_TIMER_ABSTIME TFD_TIMER_ABSTIME
+  };
+
+
+static int timerfd_create (clockid_t __clock_id, int __flags) {
+	return syscall(322, __clock_id, __flags);
+}
+
+static int timerfd_settime (int __ufd, int __flags,
+                            __const struct itimerspec *__utmr,
+                            struct itimerspec *__otmr) {
+	return syscall(325, __ufd, __flags, __utmr, __otmr);
+}
+#endif
+
+int event_queue_add_timer(int eq, int *id, int sec) {
+
+	struct itimerspec it;
+	int tfd = timerfd_create(CLOCK_REALTIME, TFD_CLOEXEC);
+
+	if (tfd < 0) {
+		uwsgi_error("timerfd_create()");
+		return -1;
+	}
+
+	it.it_value.tv_sec = sec;
+	it.it_value.tv_nsec = 0;
+
+	it.it_interval.tv_sec = sec;
+	it.it_interval.tv_nsec = 0;
+
+	if (timerfd_settime(tfd, 0, &it, NULL)) {
+		uwsgi_error("timerfd_settime()");
+		close(tfd);
+		return -1;
+	}
+	
+	*id = tfd;
+	return event_queue_add_fd_read(eq, tfd);
+}
+
+struct uwsgi_timer *event_queue_ack_timer(int id) {
+	
+	int i;
+	ssize_t rlen;
+	uint64_t counter;
+	struct uwsgi_timer *ut = NULL;
+
+	for(i=0;i<ushared->timers_cnt;i++) {
+		if (ushared->timers[i].registered) {
+			if (ushared->timers[i].id == id) {
+				ut = &ushared->timers[i];
+			}
+		}
+	}
+
+	rlen = read(id, &counter, sizeof(uint64_t));
+
+	if (rlen < 0) {
+		uwsgi_error("read()");
+	}
+	
+	return ut;
+}
+#endif
+
+#ifdef UWSGI_EVENT_TIMER_USE_NONE
+int event_queue_add_timer(int eq, int *id, int sec) { return -1; }
+struct uwsgi_timer *event_queue_ack_timer(int id) { return NULL;}
+#endif
+
+#ifdef UWSGI_EVENT_TIMER_USE_PORT
+int event_queue_add_timer(int eq, int *id, int sec) {
+
+	static int timer_id = 0xffffff00;
+	port_notify_t		pnotif;
+	struct sigevent		sigev;
+	itimerspec_t it;
+	timer_t tid;
+
+	timer_id++;
+
+	pnotif.portnfy_port = eq;
+	pnotif.portnfy_user = (void *) timer_id;
+
+	sigev.sigev_notify = SIGEV_PORT;
+	sigev.sigev_value.sival_ptr = &pnotif;
+
+	if (timer_create(CLOCK_REALTIME, &sigev, &tid) < 0) {
+		uwsgi_error("timer_create()");
+		return -1;
+	}
+
+	
+	it.it_value.tv_sec = sec;
+        it.it_value.tv_nsec = 0;
+
+        it.it_interval.tv_sec = sec;
+        it.it_interval.tv_nsec = 0;
+
+	if (timer_settime(tid, 0, &it, NULL) < 0) {
+		uwsgi_error("timer_settime()");
+		return -1;
+	}
+
+	*id = timer_id;
+
+	return *id;
+
+}
+
+struct uwsgi_timer *event_queue_ack_timer(int id) {
+
+	int i;
+	struct uwsgi_timer *ut = NULL;
+
+	for(i=0;i<uwsgi.shared->timers_cnt;i++) {
+		if (uwsgi.shared->timers[i].registered) {
+			if (uwsgi.shared->timers[i].id == id) {
+				ut = &uwsgi.shared->timers[i];
+			}
+		}
+	}
+
+	return ut;
+}
+#endif
+
+
+#ifdef UWSGI_EVENT_TIMER_USE_KQUEUE
+int event_queue_add_timer(int eq, int *id, int sec) {
+
+	static int timer_id = 0xffffff00;
+	struct kevent kev;
+
+	*id = timer_id ;
+	timer_id++;	
+
+	uwsgi_log("registering timer %d\n", sec);
+	
+        EV_SET(&kev, *id, EVFILT_TIMER, EV_ADD, 0, sec*1000, 0);
+        if (kevent(eq, &kev, 1, NULL, 0, NULL) < 0) {
+                uwsgi_error("kevent()");
+                return -1;
+        }
+	
+	return *id;
+}
+
+struct uwsgi_timer *event_queue_ack_timer(int id) {
+
+	int i;
+	struct uwsgi_timer *ut = NULL;
+
+	for(i=0;i<uwsgi.shared->timers_cnt;i++) {
+		if (uwsgi.shared->timers[i].registered) {
+			if (uwsgi.shared->timers[i].id == id) {
+				ut = &uwsgi.shared->timers[i];
+			}
+		}
+	}
+
+	return ut;
+
+}
+#endif

fibers.ru

@@ -0,0 +1,21 @@
+require 'fiber'
+class SuspendingBody
+
+	def each
+		for i in 1..10
+			yield "number: #{i}\n"
+			Fiber.yield
+		end
+	end
+
+end
+
+class RackFoo
+
+	def call(env)
+		[200, { 'Content-Type' => 'text/plain'}, SuspendingBody.new]
+	end
+
+end
+
+run RackFoo.new

fibers.yml

@@ -0,0 +1,8 @@
+uwsgi:
+  plugins:		rack
+  socket:		127.0.0.1:3031
+  rack:			fibers.ru
+  post-buffering:	4096
+  async:		10
+  loop:			fiber
+  

filemonitor.c

@@ -0,0 +1,34 @@
+#ifdef __linux__
+
+#include <sys/inotify.h>
+
+int uwsgi_file_monitor_new() {
+
+	int inotify_fd;
+
+
+	inotify_fd = inotify_init();
+
+	if (inotify_fd < 0) {
+		uwsgi_error("inotify_init()");
+		return -1;
+	}
+
+	return inotify_fd;
+}
+
+int uwsgi_file_monitor_add(int fd, char *what) {
+
+	int inotify_watch_fd;
+
+	inotify_watch_fd = inotify_add_watch(fd, what, IN_ALL_EVENTS);
+
+	if (inotify_watch_fd < 0) {
+		uwsgi_error("inotify_add_watch()");
+		return -1;
+	}
+
+	return inotify_watch_fd;
+}
+
+#endif

gateway.c

@@ -0,0 +1,112 @@
+#include "uwsgi.h"
+
+extern struct uwsgi_server uwsgi;
+
+struct uwsgi_gateway *register_fat_gateway(char *name, void (*loop)(void)) {
+
+        struct uwsgi_gateway *ug;
+        int num=1,i;
+
+        if (uwsgi.gateways_cnt >= MAX_GATEWAYS) {
+                uwsgi_log("you can register max %d gateways\n", MAX_GATEWAYS);
+                return NULL;
+        }
+
+        for(i=0;i<uwsgi.gateways_cnt;i++) {
+                if (!strcmp(name, uwsgi.gateways[i].name)) {
+                        num++;
+                }
+        }
+
+        ug = &uwsgi.gateways[uwsgi.gateways_cnt];
+        ug->pid = 0;
+        ug->name = name;
+        ug->loop = loop;
+        ug->num = num;
+
+        uwsgi.gateways_cnt++;
+
+        return ug;
+}
+
+struct uwsgi_gateway *register_gateway(char *name, void (*loop)(void)) {
+
+	pid_t gw_pid;
+	pid_t orig_pid = getpid();
+	struct uwsgi_gateway *ug;
+	int num=1,i;
+
+	if (uwsgi.gateways_cnt >= MAX_GATEWAYS) {
+		uwsgi_log("you can register max %d gateways\n", MAX_GATEWAYS);
+		return NULL;
+	}
+
+	for(i=0;i<uwsgi.gateways_cnt;i++) {
+		if (!strcmp(name, uwsgi.gateways[i].name)) {
+			num++;
+		}
+	}
+
+	gw_pid = fork();
+	if (gw_pid < 0) {
+		uwsgi_error("fork()");
+		return NULL;
+	}
+
+	if (!uwsgi.master_process) {
+		if (gw_pid > 0) {
+			loop();
+			// never here !!! (i hope)
+			exit(1);	
+		}
+
+		ug = &uwsgi.gateways[uwsgi.gateways_cnt];
+		ug->pid = orig_pid;
+	}
+	else {
+		if (gw_pid == 0) {
+			if (uwsgi.master_as_root) uwsgi_as_root();
+			loop();
+			// never here !!! (i hope)
+			exit(1);	
+		}
+
+		ug = &uwsgi.gateways[uwsgi.gateways_cnt];
+		ug->pid = gw_pid;
+	}
+
+
+	ug->name = name;
+	ug->loop = loop;
+	ug->num = num;
+
+	uwsgi_log( "spawned uWSGI %s %d (pid: %d)\n", ug->name, ug->num, (int) ug->pid);
+
+	uwsgi.gateways_cnt++;
+
+	return ug;
+		
+}
+
+void gateway_respawn(int id) {
+
+	pid_t gw_pid;
+	struct uwsgi_gateway *ug = &uwsgi.gateways[id];
+	
+	gw_pid = fork();
+	if (gw_pid < 0) {
+                uwsgi_error("fork()");
+		return;
+	}
+
+	if (gw_pid == 0) {
+		if (uwsgi.master_as_root) uwsgi_as_root();
+		ug->loop();
+		// never here !!! (i hope)
+		exit(1);	
+	}
+
+	ug->pid = gw_pid;
+	uwsgi_log( "respawned uWSGI %s %d (pid: %d)\n", ug->name, ug->num, (int) gw_pid);
+	
+}

healthcheck/http.c

@@ -0,0 +1,9 @@
+// http:3:GET / HTTP/1.1:192.168.173.10:80,192.168.173.11:80,192.168.173.12:80,192.168.173.13:80
+
+/*
+write(arg1);
+
+wait_for_fd()
+
+get_data() == 200
+*/

healthcheck/uwsgi.c

@@ -0,0 +1 @@
+// uwsgi:3::192.168.173.1:3031,192.168.173.2:3031,192.168.173.3:3031,192.168.173.4:3031

hello_world_rrdtool.py

@@ -0,0 +1,31 @@
+import uwsgi
+import time
+import rrdtool
+
+# rrdtool create test.rrd --start 1270879004 -s 10 DS:requests:COUNTER:300:U:U RRA:AVERAGE:0.5:3:105120
+
+s_freq = 10
+
+# this task will be executed every s_freq seconds
+def rrdtool_updater(sig, sec):
+	rrdtool.update('test.rrd', str(int(time.time()))+':'+str(uwsgi.total_requests()))
+
+	
+uwsgi.register_timer(0, s_freq, uwsgi.KIND_WORKER, rrdtool_updater)
+	
+
+
+def hello_world(env, start_response):
+	start_response('200 Ok', [('Content-type', 'text/plain')])
+	return 'Hello world !'
+
+
+def graph(env, start_response):
+	start_response('200 Ok', [('Content-type', 'image/png')])
+	now = int(time.time())
+	graph_range = (3600*24)
+	rrdtool.graph('uwsgi_graph.png', '--start', str(now - graph_range), '--end', str(now), 'DEF:urequests=test.rrd:requests:AVERAGE', 'LINE2:urequests#00FF00')
+	# send file to client
+	uwsgi.sendfile('uwsgi_graph.png')
+
+uwsgi.applications = {'/': hello_world, '/graph':graph}

ini.c

@@ -0,0 +1,161 @@
+#ifdef UWSGI_INI
+
+#include "uwsgi.h"
+
+extern struct uwsgi_server uwsgi;
+
+/*
+   ini file must be read ALL into memory.
+   This memory must not be freed for all the server lifecycle
+   */
+
+void ini_rstrip(char *line) {
+
+	off_t i;
+
+	for(i = strlen(line)-1;i>=0; i--) {
+		if (line[i] == ' ' || line[i] == '\t') {
+			line[i] = 0;
+			continue;
+		}
+		break;
+	}
+}
+
+char *ini_lstrip(char *line) {
+
+	off_t i;
+	char *ptr = line;
+
+	for(i=0;i< (int) strlen(line);i++) {
+		if (line[i] == ' ' || line[i] == '\t') {
+			ptr++;
+			continue;
+		}
+		break;
+	}
+
+	return ptr;
+}
+
+char *ini_get_key(char *key) {
+
+	off_t i;
+	char *ptr = key;
+
+	for(i=0;i< (int) strlen(key);i++) {
+		ptr++;
+		if (key[i] == '=') {
+			key[i] = 0;
+			return ptr;
+		}
+	}
+
+	return ptr;
+}
+
+char *ini_get_line(char *ini, off_t size) {
+
+	off_t i;
+	char *ptr = ini;
+
+	for(i=0;i<size;i++) {
+		ptr++;
+		if (ini[i] == '\n') {
+			ini[i] = 0;
+			return ptr;
+		}
+	}
+
+	return NULL;
+
+}
+
+void uwsgi_ini_config(char *file, char *magic_table[]) {
+
+	int len = 0;
+	char *ini;
+
+	char *ini_line;
+
+	char *section = "";
+	char *key;
+	char *val;
+
+	int lines = 1;
+
+	struct option *lopt, *aopt;
+	char *section_asked = "uwsgi";
+	char *colon;
+
+	colon = uwsgi_get_last_char(file, ':');
+	if (colon) {
+		colon[0] = 0;
+		if (colon[1] != 0) {
+			section_asked = colon+1;
+		}
+	}
+
+	uwsgi_log("[uWSGI] getting INI configuration from %s\n", file);
+
+	ini = uwsgi_open_and_read(file, &len, 1, magic_table);
+
+	while(len) {
+		ini_line = ini_get_line(ini, len);
+		if (ini_line == NULL) {
+			break;
+		}
+		lines++;
+
+		// skip empty line
+		key = ini_lstrip(ini);
+		ini_rstrip(key);
+		if (key[0] != 0) {
+			if (key[0] == '[') {
+				section = key+1;
+				section[strlen(section)-1] = 0;
+			}
+			else if (key[0] == ';' || key[0] == '#') {
+				// this is a comment
+			}
+			else {
+				// val is always valid, but (obviously) can be ignored
+				val = ini_get_key(key);
+
+				if (!strcmp(section, section_asked)) {
+					ini_rstrip(key);
+					val = ini_lstrip(val);
+					ini_rstrip(val);
+					lopt = uwsgi.long_options;
+					while ((aopt = lopt)) {
+						if (!aopt->name)
+							break;
+						if (!strcmp(key, aopt->name)) {
+							if (aopt->flag) {
+								*aopt->flag = aopt->val;
+								add_exported_option(0, (char *)key);
+							}
+							else {
+								if (aopt->has_arg == optional_argument) {
+									if (!strcmp("true", val)) {
+										val = NULL;
+									}
+								}
+								manage_opt(aopt->val, val);
+							}
+						}
+						lopt++;
+					}
+				}
+			}
+		}
+
+
+		len -= (ini_line - ini);
+		ini += (ini_line - ini);
+
+	}
+
+}
+
+#endif

ldap.c

@@ -0,0 +1,313 @@
+#ifdef UWSGI_LDAP
+
+#include "uwsgi.h"
+
+extern struct uwsgi_server uwsgi;
+
+#include <ldap.h>
+
+void ldap2uwsgi(char *ldapname, char *uwsginame) {
+	char *ptr = uwsginame;
+
+	int i;
+
+	for(i=0;i< (int) strlen(ldapname);i++) {
+		if (isupper( (int)ldapname[i])) {
+			*ptr++ = '-';
+			*ptr++ = tolower( (int) ldapname[i]);
+		}
+		else {
+			*ptr++ = ldapname[i];
+		}
+	}
+
+	*ptr++= 0;
+}
+
+int calc_ldap_name(char *name) {
+	int i;
+	int counter = 0;
+
+	for(i=0;i< (int)strlen(name);i++) {
+		if (isupper( (int) name[i])) {
+			counter++;
+		}
+	}
+
+	return strlen(name) + counter;
+}
+
+void uwsgi_ldap_schema_dump_ldif() {
+	struct option *aopt, *lopt;
+
+	lopt = uwsgi.long_options;
+	int i;
+	int counter = 30000;
+
+	uwsgi_log("\n");
+	uwsgi_log("dn: cn=uwsgi,cn=schema,cn=config\n");
+	uwsgi_log("objectClass: olcSchemaConfig\n");
+	uwsgi_log("cn: uwsgi\n");
+
+	while( (aopt = lopt) ) {
+		if (!aopt->name)
+			break;
+
+		if (aopt->flag) {
+			uwsgi_log("olcAttributeTypes: ( 1.3.6.1.4.1.35156.17.4.%d NAME 'uWSGI", counter);
+			counter++;
+		}
+		else {
+			uwsgi_log("olcAttributeTypes: ( 1.3.6.1.4.1.35156.17.4.%d NAME 'uWSGI", aopt->val);
+		}
+		for(i=0;i< (int)strlen(aopt->name);i++) {
+			if (aopt->name[i] == '-') {
+				i++;
+				uwsgi_log("%c", toupper( (int) aopt->name[i]));
+			}
+			else {
+				uwsgi_log("%c", aopt->name[i]);
+			}
+		}
+
+		if (aopt->has_arg) {
+			uwsgi_log("' SYNTAX 1.3.6.1.4.1.1466.115.121.1.26 )\n");
+		}
+		else {
+			uwsgi_log("' SYNTAX 1.3.6.1.4.1.1466.115.121.1.7 )\n");
+		}
+		lopt++;
+	}
+
+	uwsgi_log("olcAttributeTypes: ( 1.3.6.1.4.1.35156.17.4.50000 NAME 'uWSGInull' SYNTAX 1.3.6.1.4.1.1466.115.121.1.7 )\n");
+
+	lopt = uwsgi.long_options;
+
+	uwsgi_log("olcObjectClasses: ( 1.3.6.1.4.1.35156.17.3.1 NAME 'uWSGIConfig' SUP top AUXILIARY DESC 'uWSGI configuration' MAY ( ");
+
+	while( (aopt = lopt) ) {
+		if (!aopt->name)
+			break;
+
+		uwsgi_log("uWSGI");
+
+		for(i=0;i< (int)strlen(aopt->name);i++) {
+			if (aopt->name[i] == '-') {
+				i++;
+				uwsgi_log("%c", toupper( (int) aopt->name[i]));
+			}
+			else {
+				uwsgi_log("%c", aopt->name[i]);
+			}
+		}
+		uwsgi_log(" $ ");
+		lopt++;
+	}
+
+	uwsgi_log("uWSGInull ))\n");
+
+	uwsgi_log("\n");
+
+	exit(0);
+}
+
+void uwsgi_ldap_schema_dump() {
+	struct option *aopt, *lopt;
+
+	lopt = uwsgi.long_options;
+	int i;
+	int counter = 30000;
+
+	while( (aopt = lopt) ) {
+		if (!aopt->name)
+			break;
+
+
+		if (aopt->flag) {
+			uwsgi_log("attributetype ( 1.3.6.1.4.1.35156.17.4.%d NAME 'uWSGI", counter);
+			counter++;
+		}
+		else {
+			uwsgi_log("attributetype ( 1.3.6.1.4.1.35156.17.4.%d NAME 'uWSGI", aopt->val);
+		}
+		for(i=0;i< (int)strlen(aopt->name);i++) {
+			if (aopt->name[i] == '-') {
+				i++;
+				uwsgi_log("%c", toupper( (int) aopt->name[i]));
+			}
+			else {
+				uwsgi_log("%c", aopt->name[i]);
+			}
+		}
+
+		if (aopt->has_arg) {
+			uwsgi_log("' SYNTAX 1.3.6.1.4.1.1466.115.121.1.26 )\n");
+		}
+		else {
+			uwsgi_log("' SYNTAX 1.3.6.1.4.1.1466.115.121.1.7 )\n");
+		}
+		lopt++;
+	}
+
+	uwsgi_log("attributetype ( 1.3.6.1.4.1.35156.17.4.50000 NAME 'uWSGInull' SYNTAX 1.3.6.1.4.1.1466.115.121.1.7 )\n");
+
+	lopt = uwsgi.long_options;
+
+	uwsgi_log("objectclass ( 1.3.6.1.4.1.35156.17.3.1 NAME 'uWSGIConfig' SUP top AUXILIARY DESC 'uWSGI configuration' MAY ( ");
+
+	while( (aopt = lopt) ) {
+		if (!aopt->name)
+			break;
+
+		uwsgi_log("uWSGI");
+
+		for(i=0;i< (int)strlen(aopt->name);i++) {
+			if (aopt->name[i] == '-') {
+				i++;
+				uwsgi_log("%c", toupper( (int) aopt->name[i]));
+			}
+			else {
+				uwsgi_log("%c", aopt->name[i]);
+			}
+		}
+		uwsgi_log(" $ ");
+		lopt++;
+	}
+
+	uwsgi_log("uWSGInull ))\n");
+
+	exit(0);
+}
+
+void uwsgi_ldap_config() {
+
+	LDAP *ldp;
+	LDAPMessage *results, *entry;
+	BerElement *ber;
+	struct berval **bervalues;
+	char *attr;
+	char *uwsgi_attr;
+
+	char *url = "ldap:///";
+	char *url_slash;
+
+	int desired_version = LDAP_VERSION3;
+	int ret;
+
+	struct option *aopt, *lopt;
+
+	LDAPURLDesc *ldap_url;
+
+	if (uwsgi.ldap) {
+		url = uwsgi.ldap;
+	}
+
+	if (!ldap_is_ldap_url(url)) {
+		uwsgi_log("invalid LDAP url.\n");
+		exit(1);
+	}
+
+	if (ldap_url_parse(url, &ldap_url) != LDAP_SUCCESS) {
+		uwsgi_log("unable to parse LDAP url.\n");
+		exit(1);
+	}
+
+	url_slash = strchr(url, '/');
+	url_slash = strchr(url_slash + 1, '/');
+
+	url_slash = strchr(url_slash + 1, '/');
+	if (url_slash) {
+		url_slash[0] = 0;
+	}
+
+#ifdef UWSGI_DEBUG
+	uwsgi_debug("LDAP URL: %s\n", url);
+	uwsgi_debug("LDAP BASE DN: %s\n", ldap_url->lud_dn);
+#endif
+
+	if ( (ret = ldap_initialize( &ldp, url)) != LDAP_SUCCESS) {
+		uwsgi_log("LDAP: %s\n", ldap_err2string(ret));
+		exit(1);
+	}
+
+
+	if ( (ret = ldap_set_option(ldp, LDAP_OPT_PROTOCOL_VERSION, &desired_version)) != LDAP_OPT_SUCCESS) {
+		uwsgi_log("LDAP: %s\n", ldap_err2string(ret));
+		exit(1);
+	}
+
+
+	if ( (ret = ldap_search_ext_s(ldp, ldap_url->lud_dn, ldap_url->lud_scope, ldap_url->lud_filter, NULL, 0, NULL, NULL, NULL, 1, &results)) != LDAP_SUCCESS) {
+		uwsgi_log("LDAP: %s\n", ldap_err2string(ret));
+		exit(1);
+	}
+
+#ifdef UWSGI_DEBUG
+	uwsgi_debug("LDAP connection initialized %p\n", ldp);
+#endif
+
+	free(ldap_url);
+
+	if (ldap_count_entries(ldp, results) < 1) {
+		uwsgi_log("no LDAP entry found\n");
+		exit(1);
+	}
+
+	entry = ldap_first_entry(ldp, results);
+
+	for( attr = ldap_first_attribute(ldp, entry, &ber); attr != NULL; attr = ldap_next_attribute(ldp, entry, ber)) {
+		if (!strncmp(attr,"uWSGI",5)) {
+
+			uwsgi_attr = malloc( calc_ldap_name(attr) + 1 );
+			if (!uwsgi_attr) {
+				uwsgi_error("malloc()");
+				exit(1);
+			}
+
+			ldap2uwsgi(attr+5, uwsgi_attr);
+
+#ifdef UWSGI_DEBUG
+			uwsgi_debug("LDAP attribute: %s = --%s\n", attr, uwsgi_attr);
+#endif
+			bervalues = ldap_get_values_len(ldp, entry, attr);
+			if (bervalues) {
+				// do not free uwsgi_val;
+				char *uwsgi_val = malloc( bervalues[0]->bv_len + 1 );
+				if (!uwsgi_val) {
+					uwsgi_error("malloc()");
+					exit(1);
+				}
+
+				memcpy(uwsgi_val, bervalues[0]->bv_val, bervalues[0]->bv_len);
+				uwsgi_val[bervalues[0]->bv_len] = 0;
+
+				lopt = uwsgi.long_options;
+				while ((aopt = lopt)) {
+					if (!aopt->name)
+						break;
+					if (!strcmp(uwsgi_attr, aopt->name)) {
+						if (aopt->flag) {
+							*aopt->flag = aopt->val;
+							add_exported_option(0, (char*) uwsgi_attr);
+						}
+						else {
+							manage_opt(aopt->val, uwsgi_val);
+						}
+					}
+					lopt++;
+				}
+			}
+
+			free(bervalues);
+			free(uwsgi_attr);
+		}
+		free(attr);
+	}
+
+	free(ber);
+	free(results);
+
+	ldap_unbind_ext_s(ldp, NULL, NULL);
+
+}
+#endif

lib/rbtree.c

@@ -0,0 +1,284 @@
+/*
+
+  *** uWSGI, stripped down version of Linux rbtree ***
+
+
+  Red Black Trees
+  (C) 1999  Andrea Arcangeli <andrea@suse.de>
+  (C) 2002  David Woodhouse <dwmw2@infradead.org>
+  
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 2 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program; if not, write to the Free Software
+  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+*/
+
+#include "../uwsgi.h"
+
+static void __rb_rotate_left(struct rb_node *node, struct rb_root *root)
+{
+	struct rb_node *right = node->rb_right;
+	struct rb_node *parent = rb_parent(node);
+
+	if ((node->rb_right = right->rb_left))
+		rb_set_parent(right->rb_left, node);
+	right->rb_left = node;
+
+	rb_set_parent(right, parent);
+
+	if (parent)
+	{
+		if (node == parent->rb_left)
+			parent->rb_left = right;
+		else
+			parent->rb_right = right;
+	}
+	else
+		root->rb_node = right;
+	rb_set_parent(node, right);
+}
+
+static void __rb_rotate_right(struct rb_node *node, struct rb_root *root)
+{
+	struct rb_node *left = node->rb_left;
+	struct rb_node *parent = rb_parent(node);
+
+	if ((node->rb_left = left->rb_right))
+		rb_set_parent(left->rb_right, node);
+	left->rb_right = node;
+
+	rb_set_parent(left, parent);
+
+	if (parent)
+	{
+		if (node == parent->rb_right)
+			parent->rb_right = left;
+		else
+			parent->rb_left = left;
+	}
+	else
+		root->rb_node = left;
+	rb_set_parent(node, left);
+}
+
+void rb_insert_color(struct rb_node *node, struct rb_root *root)
+{
+	struct rb_node *parent, *gparent;
+
+	while ((parent = rb_parent(node)) && rb_is_red(parent))
+	{
+		gparent = rb_parent(parent);
+
+		if (parent == gparent->rb_left)
+		{
+			{
+				register struct rb_node *uncle = gparent->rb_right;
+				if (uncle && rb_is_red(uncle))
+				{
+					rb_set_black(uncle);
+					rb_set_black(parent);
+					rb_set_red(gparent);
+					node = gparent;
+					continue;
+				}
+			}
+
+			if (parent->rb_right == node)
+			{
+				register struct rb_node *tmp;
+				__rb_rotate_left(parent, root);
+				tmp = parent;
+				parent = node;
+				node = tmp;
+			}
+
+			rb_set_black(parent);
+			rb_set_red(gparent);
+			__rb_rotate_right(gparent, root);
+		} else {
+			{
+				register struct rb_node *uncle = gparent->rb_left;
+				if (uncle && rb_is_red(uncle))
+				{
+					rb_set_black(uncle);
+					rb_set_black(parent);
+					rb_set_red(gparent);
+					node = gparent;
+					continue;
+				}
+			}
+
+			if (parent->rb_left == node)
+			{
+				register struct rb_node *tmp;
+				__rb_rotate_right(parent, root);
+				tmp = parent;
+				parent = node;
+				node = tmp;
+			}
+
+			rb_set_black(parent);
+			rb_set_red(gparent);
+			__rb_rotate_left(gparent, root);
+		}
+	}
+
+	rb_set_black(root->rb_node);
+}
+
+static void __rb_erase_color(struct rb_node *node, struct rb_node *parent,
+			     struct rb_root *root)
+{
+	struct rb_node *other;
+
+	while ((!node || rb_is_black(node)) && node != root->rb_node)
+	{
+		if (parent->rb_left == node)
+		{
+			other = parent->rb_right;
+			if (rb_is_red(other))
+			{
+				rb_set_black(other);
+				rb_set_red(parent);
+				__rb_rotate_left(parent, root);
+				other = parent->rb_right;
+			}
+			if ((!other->rb_left || rb_is_black(other->rb_left)) &&
+			    (!other->rb_right || rb_is_black(other->rb_right)))
+			{
+				rb_set_red(other);
+				node = parent;
+				parent = rb_parent(node);
+			}
+			else
+			{
+				if (!other->rb_right || rb_is_black(other->rb_right))
+				{
+					rb_set_black(other->rb_left);
+					rb_set_red(other);
+					__rb_rotate_right(other, root);
+					other = parent->rb_right;
+				}
+				rb_set_color(other, rb_color(parent));
+				rb_set_black(parent);
+				rb_set_black(other->rb_right);
+				__rb_rotate_left(parent, root);
+				node = root->rb_node;
+				break;
+			}
+		}
+		else
+		{
+			other = parent->rb_left;
+			if (rb_is_red(other))
+			{
+				rb_set_black(other);
+				rb_set_red(parent);
+				__rb_rotate_right(parent, root);
+				other = parent->rb_left;
+			}
+			if ((!other->rb_left || rb_is_black(other->rb_left)) &&
+			    (!other->rb_right || rb_is_black(other->rb_right)))
+			{
+				rb_set_red(other);
+				node = parent;
+				parent = rb_parent(node);
+			}
+			else
+			{
+				if (!other->rb_left || rb_is_black(other->rb_left))
+				{
+					rb_set_black(other->rb_right);
+					rb_set_red(other);
+					__rb_rotate_left(other, root);
+					other = parent->rb_left;
+				}
+				rb_set_color(other, rb_color(parent));
+				rb_set_black(parent);
+				rb_set_black(other->rb_left);
+				__rb_rotate_right(parent, root);
+				node = root->rb_node;
+				break;
+			}
+		}
+	}
+	if (node)
+		rb_set_black(node);
+}
+
+void rb_erase(struct rb_node *node, struct rb_root *root)
+{
+	struct rb_node *child, *parent;
+	int color;
+
+	if (!node->rb_left)
+		child = node->rb_right;
+	else if (!node->rb_right)
+		child = node->rb_left;
+	else
+	{
+		struct rb_node *old = node, *left;
+
+		node = node->rb_right;
+		while ((left = node->rb_left) != NULL)
+			node = left;
+
+		if (rb_parent(old)) {
+			if (rb_parent(old)->rb_left == old)
+				rb_parent(old)->rb_left = node;
+			else
+				rb_parent(old)->rb_right = node;
+		} else
+			root->rb_node = node;
+
+		child = node->rb_right;
+		parent = rb_parent(node);
+		color = rb_color(node);
+
+		if (parent == old) {
+			parent = node;
+		} else {
+			if (child)
+				rb_set_parent(child, parent);
+			parent->rb_left = child;
+
+			node->rb_right = old->rb_right;
+			rb_set_parent(old->rb_right, node);
+		}
+
+		node->rb_parent_color = old->rb_parent_color;
+		node->rb_left = old->rb_left;
+		rb_set_parent(old->rb_left, node);
+
+		goto color;
+	}
+
+	parent = rb_parent(node);
+	color = rb_color(node);
+
+	if (child)
+		rb_set_parent(child, parent);
+	if (parent)
+	{
+		if (parent->rb_left == node)
+			parent->rb_left = child;
+		else
+			parent->rb_right = child;
+	}
+	else
+		root->rb_node = child;
+
+ color:
+	if (color == RB_BLACK)
+		__rb_erase_color(child, parent, root);
+}

lib/rbtree.h

@@ -0,0 +1,68 @@
+/*
+
+  *** uWSGI, stripped down version of Linux rbtree ***
+
+
+  Red Black Trees
+  (C) 1999  Andrea Arcangeli <andrea@suse.de>
+  
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 2 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program; if not, write to the Free Software
+  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+*/
+
+struct rb_node
+{
+	unsigned long  rb_parent_color;
+#define	RB_RED		0
+#define	RB_BLACK	1
+	struct rb_node *rb_right;
+	struct rb_node *rb_left;
+} __attribute__((aligned(sizeof(long))));
+    /* The alignment might seem pointless, but allegedly CRIS needs it */
+
+struct rb_root
+{
+	struct rb_node *rb_node;
+};
+
+
+#define rb_parent(r)   ((struct rb_node *)((r)->rb_parent_color & ~3))
+#define rb_color(r)   ((r)->rb_parent_color & 1)
+#define rb_is_red(r)   (!rb_color(r))
+#define rb_is_black(r) rb_color(r)
+#define rb_set_red(r)  do { (r)->rb_parent_color &= ~1; } while (0)
+#define rb_set_black(r)  do { (r)->rb_parent_color |= 1; } while (0)
+
+static inline void rb_set_parent(struct rb_node *rb, struct rb_node *p)
+{
+	rb->rb_parent_color = (rb->rb_parent_color & 3) | (unsigned long)p;
+}
+static inline void rb_set_color(struct rb_node *rb, int color)
+{
+	rb->rb_parent_color = (rb->rb_parent_color & ~1) | color;
+}
+
+void rb_insert_color(struct rb_node *, struct rb_root *);
+void rb_erase(struct rb_node *, struct rb_root *);
+
+static inline void rb_link_node(struct rb_node * node, struct rb_node * parent,
+                                struct rb_node ** rb_link)
+{
+        node->rb_parent_color = (unsigned long )parent;
+        node->rb_left = node->rb_right = NULL;
+
+        *rb_link = node;
+}
+

lighttpd/mod_uwsgi.c

@@ -35,6 +35,23 @@
 #define data_uwsgi data_fastcgi
 #define data_uwsgi_init data_fastcgi_init
 
+#ifdef __linux__
+#include <endian.h>
+#elif __sun__
+#elif __APPLE__
+#include <libkern/OSByteOrder.h>
+#else
+#include <machine/endian.h>
+#endif
+
+
+#ifdef __BIG_ENDIAN__
+static uint16_t uwsgi_swap16(uint16_t x) {
+	return (uint16_t) ((x & 0xff) << 8 | (x & 0xff00) >> 8);
+}
+#endif
+
+
 /**
  *
  * the uwsgi module is based on the proxy module
@@ -47,25 +64,17 @@ typedef struct __attribute__((packed)) {
 	uint8_t		modifier1;
 	uint16_t	pktsize;
 	uint8_t		modifier2;
-} uwsgi_header ;
-
-typedef enum {
-	UWSGI_BALANCE_UNSET,
-	UWSGI_BALANCE_FAIR,
-} uwsgi_balance_t;
+} uwsgi_header;
 
 typedef struct {
 	array *extensions;
 	unsigned short debug;
-
-	uwsgi_balance_t balance;
 } plugin_config;
 
 typedef struct {
 	PLUGIN_DATA;
 
 	buffer *parse_response;
-	buffer *balance_buf;
 
 	plugin_config **config_storage;
 
@@ -121,6 +130,7 @@ static handler_ctx * handler_ctx_init() {
 	hctx->fd = -1;
 	hctx->fde_ndx = -1;
 
+
 	return hctx;
 }
 
@@ -138,7 +148,6 @@ INIT_FUNC(mod_uwsgi_init) {
 	p = calloc(1, sizeof(*p));
 
 	p->parse_response = buffer_init();
-	p->balance_buf = buffer_init();
 
 	return p;
 }
@@ -150,7 +159,6 @@ FREE_FUNC(mod_uwsgi_free) {
 	UNUSED(srv);
 
 	buffer_free(p->parse_response);
-	buffer_free(p->balance_buf);
 
 	if (p->config_storage) {
 		size_t i;
@@ -180,7 +188,6 @@ SETDEFAULTS_FUNC(mod_uwsgi_set_defaults) {
 	config_values_t cv[] = {
 		{ "uwsgi.server",              NULL, T_CONFIG_LOCAL, T_CONFIG_SCOPE_CONNECTION },       /* 0 */
 		{ "uwsgi.debug",               NULL, T_CONFIG_SHORT, T_CONFIG_SCOPE_CONNECTION },       /* 1 */
-		{ "uwsgi.balance",             NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION },      /* 2 */
 		{ NULL,                        NULL, T_CONFIG_UNSET, T_CONFIG_SCOPE_UNSET }
 	};
 
@@ -196,9 +203,7 @@ SETDEFAULTS_FUNC(mod_uwsgi_set_defaults) {
 
 		cv[0].destination = s->extensions;
 		cv[1].destination = &(s->debug);
-		cv[2].destination = p->balance_buf;
 
-		buffer_reset(p->balance_buf);
 
 		p->config_storage[i] = s;
 		ca = ((data_config *)srv->config_context->data[i])->value;
@@ -207,16 +212,6 @@ SETDEFAULTS_FUNC(mod_uwsgi_set_defaults) {
 			return HANDLER_ERROR;
 		}
 
-		if (buffer_is_empty(p->balance_buf)) {
-			s->balance = UWSGI_BALANCE_FAIR;
-		} else if (buffer_is_equal_string(p->balance_buf, CONST_STR_LEN("fair"))) {
-			s->balance = UWSGI_BALANCE_FAIR;
-		} else {
-			log_error_write(srv, __FILE__, __LINE__, "s",
-				        "uwsgi.balance has to be fair");
-			return HANDLER_ERROR;
-		}
-
 		if (NULL != (du = array_get_element(ca, "uwsgi.server"))) {
 			size_t j;
 			data_array *da = (data_array *)du;
@@ -276,7 +271,7 @@ SETDEFAULTS_FUNC(mod_uwsgi_set_defaults) {
 
 					df = data_uwsgi_init();
 
-					df->port = 80;
+					df->port = 3031;
 
 					buffer_copy_string_buffer(df->key, da_host->key);
 
@@ -396,17 +391,33 @@ static int uwsgi_establish_connection(server *srv, handler_ctx *hctx) {
 	return 0;
 }
 
+static void uwsgi_add_var(buffer *b, char * key, uint16_t keylen, char *val, uint16_t vallen) {
+
+#ifdef __BIG_ENDIAN__
+	uint16_t uwlen;
+
+	uwlen = uwsgi_swap16(keylen);
+	buffer_append_memory(b, (char *) &uwlen, 2); buffer_append_memory(b, key, keylen);
+	uwlen = uwsgi_swap16(vallen);
+	buffer_append_memory(b, (char *) &uwlen, 2); buffer_append_memory(b, val, vallen);
+#else
+	buffer_append_memory(b, (char *) &keylen, 2); buffer_append_memory(b, key, keylen);
+	buffer_append_memory(b, (char *) &vallen, 2); buffer_append_memory(b, val, vallen);
+#endif
+
+
+}
+
 static int uwsgi_create_env(server *srv, handler_ctx *hctx) {
 	size_t i;
 
 	char buf[32];
-	uwsgi_header *uh ;
-	uint16_t uwsgi_strsize;
+	uwsgi_header *uh;
 	const char *s;
 #ifdef HAVE_IPV6
 	char b2[INET6_ADDRSTRLEN + 1];
 #endif
-	
+
 
 	connection *con   = hctx->remote_conn;
 	server_socket *srv_sock = con->srv_socket;
@@ -416,93 +427,138 @@ static int uwsgi_create_env(server *srv, handler_ctx *hctx) {
 
 	b = chunkqueue_get_append_buffer(hctx->wb);
 
-	log_error_write(srv, __FILE__, __LINE__, "s", "starting uwsgi request...");
-
 	/* make space for uwsgi header */
 	buffer_append_memory(b, "\0\0\0\0", 4);
 
-	log_error_write(srv, __FILE__, __LINE__, "s", "space done...");
-
 	/* set WSGI vars */
 	s = get_http_method_name(con->request.http_method);
-	uwsgi_strsize = 14; buffer_append_memory(b, &uwsgi_strsize, 2); buffer_append_memory(b, "REQUEST_METHOD", uwsgi_strsize); 
-	uwsgi_strsize = strlen(s); buffer_append_memory(b, &uwsgi_strsize, 2); buffer_append_memory(b, s, uwsgi_strsize); 
+	uwsgi_add_var(b, "REQUEST_METHOD", 14, (char *) s, strlen(s));
 
-	uwsgi_strsize = 12; buffer_append_memory(b, &uwsgi_strsize, 2); buffer_append_memory(b, "QUERY_STRING", uwsgi_strsize);
 	if (!buffer_is_empty(con->uri.query)) {
-		uwsgi_strsize = con->uri.query->used; buffer_append_memory(b, &uwsgi_strsize, 2); buffer_append_memory(b, con->uri.query->ptr, uwsgi_strsize);
-        } else {
-		uwsgi_strsize = 0; buffer_append_memory(b, &uwsgi_strsize, 2);
-        }
+		uwsgi_add_var(b, "QUERY_STRING", 12, con->uri.query->ptr, con->uri.query->used-1);
+	} else {
+		uwsgi_add_var(b, "QUERY_STRING", 12, "", 0);
+	}
 
 	s = get_http_version_name(con->request.http_version);
-	uwsgi_strsize = 15; buffer_append_memory(b, &uwsgi_strsize, 2); buffer_append_memory(b, "SERVER_PROTOCOL", uwsgi_strsize); 
-	uwsgi_strsize = strlen(s); buffer_append_memory(b, &uwsgi_strsize, 2); buffer_append_memory(b, s, uwsgi_strsize); 
+	uwsgi_add_var(b, "SERVER_PROTOCOL", 15, (char *) s, strlen(s));
 
 
-	uwsgi_strsize = 11; buffer_append_memory(b, &uwsgi_strsize, 2); buffer_append_memory(b, "SERVER_NAME", uwsgi_strsize); 
 	if (con->server_name->used) {
-                size_t len = con->server_name->used - 1;
-                char *colon = strchr(con->server_name->ptr, ':');
-                if (colon) len = colon - con->server_name->ptr;
-		uwsgi_strsize = len ;
+		size_t len = con->server_name->used - 1;
+		char *colon = strchr(con->server_name->ptr, ':');
+		if (colon) len = colon - con->server_name->ptr;
+		uwsgi_add_var(b, "SERVER_NAME", 11, con->server_name->ptr, len);
 
-        } else {
+	} else {
 #ifdef HAVE_IPV6
-                s = inet_ntop(srv_sock->addr.plain.sa_family,
-                              srv_sock->addr.plain.sa_family == AF_INET6 ?
-                              (const void *) &(srv_sock->addr.ipv6.sin6_addr) :
-                              (const void *) &(srv_sock->addr.ipv4.sin_addr),
-                              b2, sizeof(b2)-1);
+		s = inet_ntop(srv_sock->addr.plain.sa_family,
+				srv_sock->addr.plain.sa_family == AF_INET6 ?
+				(const void *) &(srv_sock->addr.ipv6.sin6_addr) :
+				(const void *) &(srv_sock->addr.ipv4.sin_addr),
+				b2, sizeof(b2)-1);
 #else
-                s = inet_ntoa(srv_sock->addr.ipv4.sin_addr);
+		s = inet_ntoa(srv_sock->addr.ipv4.sin_addr);
 #endif
-		uwsgi_strsize = strlen(s);
-        }	
-	buffer_append_memory(b, &uwsgi_strsize, 2); buffer_append_memory(b, s, uwsgi_strsize); 
+		uwsgi_add_var(b, "SERVER_NAME", 11, (char *)s, strlen(s));
+	}
 
-	uwsgi_strsize = 11; buffer_append_memory(b, &uwsgi_strsize, 2); buffer_append_memory(b, "SERVER_PORT", uwsgi_strsize); 
 	LI_ltostr(buf,
 #ifdef HAVE_IPV6
-               ntohs(srv_sock->addr.plain.sa_family ? srv_sock->addr.ipv6.sin6_port : srv_sock->addr.ipv4.sin_port)
+			ntohs(srv_sock->addr.plain.sa_family ? srv_sock->addr.ipv6.sin6_port : srv_sock->addr.ipv4.sin_port)
 #else
-               ntohs(srv_sock->addr.ipv4.sin_port)
+			ntohs(srv_sock->addr.ipv4.sin_port)
 #endif
-               );
+			);
 
-	uwsgi_strsize = strlen(s); buffer_append_memory(b, &uwsgi_strsize, 2); buffer_append_memory(b, s, uwsgi_strsize);
+	uwsgi_add_var(b, "SERVER_PORT", 11, buf, strlen(buf));
+	uwsgi_add_var(b, "REQUEST_URI", 11, con->request.orig_uri->ptr, con->request.orig_uri->used-1);
 
-	uwsgi_strsize = 11; buffer_append_memory(b, &uwsgi_strsize, 2); buffer_append_memory(b, "REQUEST_URI", uwsgi_strsize);
-	uwsgi_strsize = con->request.orig_uri->used; buffer_append_memory(b, &uwsgi_strsize, 2); buffer_append_memory(b, con->request.orig_uri->ptr, uwsgi_strsize);
-
-	uwsgi_strsize = 11; buffer_append_memory(b, &uwsgi_strsize, 2); buffer_append_memory(b, "REMOTE_PORT", uwsgi_strsize);
 	LI_ltostr(buf,
 #ifdef HAVE_IPV6
-               ntohs(con->dst_addr.plain.sa_family ? con->dst_addr.ipv6.sin6_port : con->dst_addr.ipv4.sin_port)
+			ntohs(con->dst_addr.plain.sa_family ? con->dst_addr.ipv6.sin6_port : con->dst_addr.ipv4.sin_port)
 #else
-               ntohs(con->dst_addr.ipv4.sin_port)
+			ntohs(con->dst_addr.ipv4.sin_port)
 #endif
-               );	
+			);
+	uwsgi_add_var(b, "REMOTE_PORT", 11, buf, strlen(buf));
+
+	if (!buffer_is_empty(con->authed_user)) {
+		uwsgi_add_var(b, "REMOTE_USER", 11,
+				CONST_BUF_LEN(con->authed_user));
+	}
+
 
-	uwsgi_strsize = strlen(s); buffer_append_memory(b, &uwsgi_strsize, 2); buffer_append_memory(b, s, uwsgi_strsize);
 
-	uwsgi_strsize = 11; buffer_append_memory(b, &uwsgi_strsize, 2); buffer_append_memory(b, "REMOTE_ADDR", uwsgi_strsize);
 	s = inet_ntop_cache_get_ip(srv, &(con->dst_addr));
-	uwsgi_strsize = strlen(s); buffer_append_memory(b, &uwsgi_strsize, 2); buffer_append_memory(b, s, uwsgi_strsize);	
-	
-	
-	
+	uwsgi_add_var(b, "REMOTE_ADDR", 11, (char *)s, strlen(s));
 
-	
-	uh = (uwsgi_header *) b->ptr ;
-	uh->modifier1 = 0 ;
-	uh->pktsize = b->used - 4 ;
-	uh->modifier2 = 0 ;
+	if (hctx->path_info_offset > 1) {
+		uwsgi_add_var(b, "SCRIPT_NAME", 11, con->uri.path->ptr, hctx->path_info_offset);
+		if (strlen(con->uri.path->ptr + hctx->path_info_offset) > 0) {
+			uwsgi_add_var(b, "PATH_INFO", 9, con->uri.path->ptr + hctx->path_info_offset, strlen(con->uri.path->ptr + hctx->path_info_offset));
+		}
+		else {
+			uwsgi_add_var(b, "PATH_INFO", 9, "/", 1);
+		}
+	}
+	else {
+		uwsgi_add_var(b, "SCRIPT_NAME", 11, "", 0);
+		uwsgi_add_var(b, "PATH_INFO", 9, con->uri.path->ptr, strlen(con->uri.path->ptr));
+	}
+
+
+	for (i = 0; i < con->request.headers->used; i++) {
+		data_string *ds;
+		ds = (data_string *)con->request.headers->data[i];
+
+		if (ds->value->used && ds->key->used) {
+			size_t j;
+			buffer_reset(srv->tmp_buf);
+			if (!strcasecmp(ds->key->ptr, "CONTENT-TYPE") || !strcasecmp(ds->key->ptr, "CONTENT-LENGTH")) {
+				buffer_prepare_append(srv->tmp_buf, ds->key->used + 2);
+			}
+			else {
+				buffer_prepare_append(srv->tmp_buf, ds->key->used + 7);
+				buffer_append_memory(srv->tmp_buf, "HTTP_", 5);
+			}
+			for (j = 0; j < ds->key->used - 1; j++) {
+				srv->tmp_buf->ptr[srv->tmp_buf->used++] = light_isalpha(ds->key->ptr[j]) ? ds->key->ptr[j] & ~32 : '_';
+			}
+			srv->tmp_buf->ptr[srv->tmp_buf->used++] = '\0';
+			uwsgi_add_var(b, srv->tmp_buf->ptr, srv->tmp_buf->used-1, ds->value->ptr, ds->value->used-1);
+		}
+	}
+
+	for (i = 0; i < con->environment->used; i++) {
+		data_string *ds;
+		ds = (data_string *)con->environment->data[i];
+		if (ds->value->used && ds->key->used) {
+			size_t j;
+			buffer_reset(srv->tmp_buf);
+			buffer_prepare_append(srv->tmp_buf, ds->key->used + 2);
+			for (j = 0; j < ds->key->used - 1; j++) {
+				srv->tmp_buf->ptr[srv->tmp_buf->used++] = light_isalnum((unsigned char)ds->key->ptr[j]) ? toupper((unsigned char)ds->key->ptr[j]) : '_';
+			}
+
+			srv->tmp_buf->ptr[srv->tmp_buf->used++] = '\0';
+			uwsgi_add_var(b, srv->tmp_buf->ptr, srv->tmp_buf->used-1, ds->value->ptr, ds->value->used-1);
+		}
+	}
+
+
+	uh = (uwsgi_header *) b->ptr;
+	uh->modifier1 = (uint8_t) 0;
+#ifdef __BIG_ENDIAN__
+	uh->pktsize = uwsgi_swap16((uint16_t) b->used - 4);
+#else
+	uh->pktsize = b->used - 4;
+#endif
+	uh->modifier2 = (uint8_t) 0;
 
-	log_error_write(srv, __FILE__, __LINE__, "sd", "uwsgi_header ", b->used - 4);
 	b->used++; /* fix size */
 
-	hctx->wb->bytes_in += b->used -1   ;
+	hctx->wb->bytes_in += b->used -1;
 	/* body */
 
 	if (con->request.content_length) {
@@ -520,37 +576,37 @@ static int uwsgi_create_env(server *srv, handler_ctx *hctx) {
 			 * */
 
 			switch (req_c->type) {
-			case FILE_CHUNK:
-				weHave = req_c->file.length - req_c->offset;
+				case FILE_CHUNK:
+					weHave = req_c->file.length - req_c->offset;
 
-				if (weHave > weWant) weHave = weWant;
+					if (weHave > weWant) weHave = weWant;
 
-				chunkqueue_append_file(hctx->wb, req_c->file.name, req_c->offset, weHave);
+					chunkqueue_append_file(hctx->wb, req_c->file.name, req_c->offset, weHave);
 
-				req_c->offset += weHave;
-				req_cq->bytes_out += weHave;
+					req_c->offset += weHave;
+					req_cq->bytes_out += weHave;
 
-				hctx->wb->bytes_in += weHave;
+					hctx->wb->bytes_in += weHave;
 
-				break;
-			case MEM_CHUNK:
-				/* append to the buffer */
-				weHave = req_c->mem->used - 1 - req_c->offset;
+					break;
+				case MEM_CHUNK:
+					/* append to the buffer */
+					weHave = req_c->mem->used - 1 - req_c->offset;
 
-				if (weHave > weWant) weHave = weWant;
+					if (weHave > weWant) weHave = weWant;
 
-				b = chunkqueue_get_append_buffer(hctx->wb);
-				buffer_append_memory(b, req_c->mem->ptr + req_c->offset, weHave);
-				b->used++; /* add virtual \0 */
+					b = chunkqueue_get_append_buffer(hctx->wb);
+					buffer_append_memory(b, req_c->mem->ptr + req_c->offset, weHave);
+					b->used++; /* add virtual \0 */
 
-				req_c->offset += weHave;
-				req_cq->bytes_out += weHave;
+					req_c->offset += weHave;
+					req_cq->bytes_out += weHave;
 
-				hctx->wb->bytes_in += weHave;
+					hctx->wb->bytes_in += weHave;
 
-				break;
-			default:
-				break;
+					break;
+				default:
+					break;
 			}
 
 			offset += weHave;
@@ -621,29 +677,29 @@ static int uwsgi_response_parse(server *srv, connection *con, plugin_data *p, bu
 		copy_header = 1;
 
 		switch(key_len) {
-		case 4:
-			if (0 == strncasecmp(key, "Date", key_len)) {
-				con->parsed_response |= HTTP_DATE;
-			}
-			break;
-		case 8:
-			if (0 == strncasecmp(key, "Location", key_len)) {
-				con->parsed_response |= HTTP_LOCATION;
-			}
-			break;
-		case 10:
-			if (0 == strncasecmp(key, "Connection", key_len)) {
-				copy_header = 0;
-			}
-			break;
-		case 14:
-			if (0 == strncasecmp(key, "Content-Length", key_len)) {
-				con->response.content_length = strtol(value, NULL, 10);
-				con->parsed_response |= HTTP_CONTENT_LENGTH;
-			}
-			break;
-		default:
-			break;
+			case 4:
+				if (0 == strncasecmp(key, "Date", key_len)) {
+					con->parsed_response |= HTTP_DATE;
+				}
+				break;
+			case 8:
+				if (0 == strncasecmp(key, "Location", key_len)) {
+					con->parsed_response |= HTTP_LOCATION;
+				}
+				break;
+			case 10:
+				if (0 == strncasecmp(key, "Connection", key_len)) {
+					copy_header = 0;
+				}
+				break;
+			case 14:
+				if (0 == strncasecmp(key, "Content-Length", key_len)) {
+					con->response.content_length = strtol(value, NULL, 10);
+					con->parsed_response |= HTTP_CONTENT_LENGTH;
+				}
+				break;
+			default:
+				break;
 		}
 
 		if (copy_header) {
@@ -681,7 +737,7 @@ static int uwsgi_demux_response(server *srv, handler_ctx *hctx) {
 
 	if (p->conf.debug) {
 		log_error_write(srv, __FILE__, __LINE__, "sd",
-			       "uwsgi - have to read:", b);
+				"uwsgi - have to read:", b);
 	}
 
 	if (b > 0) {
@@ -735,7 +791,7 @@ static int uwsgi_demux_response(server *srv, handler_ctx *hctx) {
 
 				/* enable chunked-transfer-encoding */
 				if (con->request.http_version == HTTP_VERSION_1_1 &&
-				    !(con->parsed_response & HTTP_CONTENT_LENGTH)) {
+						!(con->parsed_response & HTTP_CONTENT_LENGTH)) {
 					con->response.transfer_encoding = HTTP_TRANSFER_ENCODING_CHUNKED;
 				}
 
@@ -774,127 +830,127 @@ static handler_t uwsgi_write_request(server *srv, handler_ctx *hctx) {
 	int ret;
 
 	if (!host ||
-	    (!host->host->used || !host->port)) return -1;
+			(!host->host->used || !host->port)) return -1;
 
 	switch(hctx->state) {
-	case UWSGI_STATE_INIT:
+		case UWSGI_STATE_INIT:
 #if defined(HAVE_IPV6) && defined(HAVE_INET_PTON)
-		if (strstr(host->host->ptr,":")) {
-		    if (-1 == (hctx->fd = socket(AF_INET6, SOCK_STREAM, 0))) {
-			log_error_write(srv, __FILE__, __LINE__, "ss", "socket failed: ", strerror(errno));
-			return HANDLER_ERROR;
-		    }
-		} else
+			if (strstr(host->host->ptr,":")) {
+				if (-1 == (hctx->fd = socket(AF_INET6, SOCK_STREAM, 0))) {
+					log_error_write(srv, __FILE__, __LINE__, "ss", "socket failed: ", strerror(errno));
+					return HANDLER_ERROR;
+				}
+			} else
 #endif
-		{
-		    if (-1 == (hctx->fd = socket(AF_INET, SOCK_STREAM, 0))) {
-			log_error_write(srv, __FILE__, __LINE__, "ss", "socket failed: ", strerror(errno));
-			return HANDLER_ERROR;
-		    }
-		}
-		hctx->fde_ndx = -1;
+			{
+				if (-1 == (hctx->fd = socket(AF_INET, SOCK_STREAM, 0))) {
+					log_error_write(srv, __FILE__, __LINE__, "ss", "socket failed: ", strerror(errno));
+					return HANDLER_ERROR;
+				}
+			}
+			hctx->fde_ndx = -1;
 
-		srv->cur_fds++;
+			srv->cur_fds++;
 
-		fdevent_register(srv->ev, hctx->fd, uwsgi_handle_fdevent, hctx);
+			fdevent_register(srv->ev, hctx->fd, uwsgi_handle_fdevent, hctx);
 
-		if (-1 == fdevent_fcntl_set(srv->ev, hctx->fd)) {
-			log_error_write(srv, __FILE__, __LINE__, "ss", "fcntl failed: ", strerror(errno));
-
-			return HANDLER_ERROR;
-		}
-
-		/* fall through */
-
-	case UWSGI_STATE_CONNECT:
-		/* try to finish the connect() */
-		if (hctx->state == UWSGI_STATE_INIT) {
-			/* first round */
-			switch (uwsgi_establish_connection(srv, hctx)) {
-			case 1:
-				uwsgi_set_state(srv, hctx, UWSGI_STATE_CONNECT);
-
-				/* connection is in progress, wait for an event and call getsockopt() below */
-
-				fdevent_event_add(srv->ev, &(hctx->fde_ndx), hctx->fd, FDEVENT_OUT);
-
-				return HANDLER_WAIT_FOR_EVENT;
-			case -1:
-				/* if ECONNREFUSED choose another connection -> FIXME */
-				hctx->fde_ndx = -1;
+			if (-1 == fdevent_fcntl_set(srv->ev, hctx->fd)) {
+				log_error_write(srv, __FILE__, __LINE__, "ss", "fcntl failed: ", strerror(errno));
 
 				return HANDLER_ERROR;
-			default:
-				/* everything is ok, go on */
-				break;
 			}
-		} else {
-			int socket_error;
-			socklen_t socket_error_len = sizeof(socket_error);
 
-			/* we don't need it anymore */
-			fdevent_event_del(srv->ev, &(hctx->fde_ndx), hctx->fd);
+			/* fall through */
 
+		case UWSGI_STATE_CONNECT:
 			/* try to finish the connect() */
-			if (0 != getsockopt(hctx->fd, SOL_SOCKET, SO_ERROR, &socket_error, &socket_error_len)) {
-				log_error_write(srv, __FILE__, __LINE__, "ss",
-						"getsockopt failed:", strerror(errno));
+			if (hctx->state == UWSGI_STATE_INIT) {
+				/* first round */
+				switch (uwsgi_establish_connection(srv, hctx)) {
+					case 1:
+						uwsgi_set_state(srv, hctx, UWSGI_STATE_CONNECT);
 
-				return HANDLER_ERROR;
+						/* connection is in progress, wait for an event and call getsockopt() below */
+
+						fdevent_event_add(srv->ev, &(hctx->fde_ndx), hctx->fd, FDEVENT_OUT);
+
+						return HANDLER_WAIT_FOR_EVENT;
+					case -1:
+						/* if ECONNREFUSED choose another connection -> FIXME */
+						hctx->fde_ndx = -1;
+
+						return HANDLER_ERROR;
+					default:
+						/* everything is ok, go on */
+						break;
+				}
+			} else {
+				int socket_error;
+				socklen_t socket_error_len = sizeof(socket_error);
+
+				/* we don't need it anymore */
+				fdevent_event_del(srv->ev, &(hctx->fde_ndx), hctx->fd);
+
+				/* try to finish the connect() */
+				if (0 != getsockopt(hctx->fd, SOL_SOCKET, SO_ERROR, &socket_error, &socket_error_len)) {
+					log_error_write(srv, __FILE__, __LINE__, "ss",
+							"getsockopt failed:", strerror(errno));
+
+					return HANDLER_ERROR;
+				}
+				if (socket_error != 0) {
+					log_error_write(srv, __FILE__, __LINE__, "ss",
+							"establishing connection failed:", strerror(socket_error),
+							"port:", hctx->host->port);
+
+					return HANDLER_ERROR;
+				}
+				if (p->conf.debug) {
+					log_error_write(srv, __FILE__, __LINE__,  "s", "uwsgi - connect - delayed success");
+				}
 			}
-			if (socket_error != 0) {
-				log_error_write(srv, __FILE__, __LINE__, "ss",
-						"establishing connection failed:", strerror(socket_error),
-						"port:", hctx->host->port);
 
-				return HANDLER_ERROR;
-			}
-			if (p->conf.debug) {
-				log_error_write(srv, __FILE__, __LINE__,  "s", "uwsgi - connect - delayed success");
-			}
-		}
+			uwsgi_set_state(srv, hctx, UWSGI_STATE_PREPARE_WRITE);
+			/* fall through */
+		case UWSGI_STATE_PREPARE_WRITE:
+			uwsgi_create_env(srv, hctx);
 
-		uwsgi_set_state(srv, hctx, UWSGI_STATE_PREPARE_WRITE);
-		/* fall through */
-	case UWSGI_STATE_PREPARE_WRITE:
-		uwsgi_create_env(srv, hctx);
+			uwsgi_set_state(srv, hctx, UWSGI_STATE_WRITE);
 
-		uwsgi_set_state(srv, hctx, UWSGI_STATE_WRITE);
+			/* fall through */
+		case UWSGI_STATE_WRITE:;
+							   ret = srv->network_backend_write(srv, con, hctx->fd, hctx->wb);
 
-		/* fall through */
-	case UWSGI_STATE_WRITE:;
-		ret = srv->network_backend_write(srv, con, hctx->fd, hctx->wb);
+							   chunkqueue_remove_finished_chunks(hctx->wb);
 
-		chunkqueue_remove_finished_chunks(hctx->wb);
+							   if (-1 == ret) { /* error on our side */
+								   log_error_write(srv, __FILE__, __LINE__, "ssd", "write failed:", strerror(errno), errno);
 
-		if (-1 == ret) { /* error on our side */
-			log_error_write(srv, __FILE__, __LINE__, "ssd", "write failed:", strerror(errno), errno);
+								   return HANDLER_WAIT_FOR_EVENT;
+							   } else if (-2 == ret) { /* remote close */
+								   log_error_write(srv, __FILE__, __LINE__, "ssd", "write failed, remote connection close:", strerror(errno), errno);
 
-			return HANDLER_WAIT_FOR_EVENT;
-		} else if (-2 == ret) { /* remote close */
-			log_error_write(srv, __FILE__, __LINE__, "ssd", "write failed, remote connection close:", strerror(errno), errno);
+								   return HANDLER_WAIT_FOR_EVENT;
+							   }
 
-			return HANDLER_WAIT_FOR_EVENT;
-		}
+							   if (hctx->wb->bytes_out == hctx->wb->bytes_in) {
+								   uwsgi_set_state(srv, hctx, UWSGI_STATE_READ);
 
-		if (hctx->wb->bytes_out == hctx->wb->bytes_in) {
-			uwsgi_set_state(srv, hctx, UWSGI_STATE_READ);
+								   fdevent_event_del(srv->ev, &(hctx->fde_ndx), hctx->fd);
+								   fdevent_event_add(srv->ev, &(hctx->fde_ndx), hctx->fd, FDEVENT_IN);
+							   } else {
+								   fdevent_event_add(srv->ev, &(hctx->fde_ndx), hctx->fd, FDEVENT_OUT);
 
-			fdevent_event_del(srv->ev, &(hctx->fde_ndx), hctx->fd);
-			fdevent_event_add(srv->ev, &(hctx->fde_ndx), hctx->fd, FDEVENT_IN);
-		} else {
-			fdevent_event_add(srv->ev, &(hctx->fde_ndx), hctx->fd, FDEVENT_OUT);
+								   return HANDLER_WAIT_FOR_EVENT;
+							   }
 
-			return HANDLER_WAIT_FOR_EVENT;
-		}
-
-		return HANDLER_WAIT_FOR_EVENT;
-	case UWSGI_STATE_READ:
-		/* waiting for a response */
-		return HANDLER_WAIT_FOR_EVENT;
-	default:
-		log_error_write(srv, __FILE__, __LINE__, "s", "(debug) unknown state");
-		return HANDLER_ERROR;
+							   return HANDLER_WAIT_FOR_EVENT;
+		case UWSGI_STATE_READ:
+							   /* waiting for a response */
+							   return HANDLER_WAIT_FOR_EVENT;
+		default:
+							   log_error_write(srv, __FILE__, __LINE__, "s", "(debug) unknown state");
+							   return HANDLER_ERROR;
 	}
 
 	return HANDLER_GO_ON;
@@ -908,7 +964,6 @@ static int mod_uwsgi_patch_connection(server *srv, connection *con, plugin_data
 
 	PATCH(extensions);
 	PATCH(debug);
-	PATCH(balance);
 
 	/* skip the first, the global context */
 	for (i = 1; i < srv->config_context->used; i++) {
@@ -926,8 +981,6 @@ static int mod_uwsgi_patch_connection(server *srv, connection *con, plugin_data
 				PATCH(extensions);
 			} else if (buffer_is_equal_string(du->key, CONST_STR_LEN("uwsgi.debug"))) {
 				PATCH(debug);
-			} else if (buffer_is_equal_string(du->key, CONST_STR_LEN("uwsgi.balance"))) {
-				PATCH(balance);
 			}
 		}
 	}
@@ -953,36 +1006,36 @@ SUBREQUEST_FUNC(mod_uwsgi_handle_subrequest) {
 
 	/* ok, create the request */
 	switch(uwsgi_write_request(srv, hctx)) {
-	case HANDLER_ERROR:
-		log_error_write(srv, __FILE__, __LINE__,  "sbdd", "uwsgi-server disabled:",
-				host->host,
-				host->port,
-				hctx->fd);
+		case HANDLER_ERROR:
+			log_error_write(srv, __FILE__, __LINE__,  "sbdd", "uwsgi-server disabled:",
+					host->host,
+					host->port,
+					hctx->fd);
 
-		/* disable this server */
-		host->is_disabled = 1;
-		host->disable_ts = srv->cur_ts;
+			/* disable this server */
+			host->is_disabled = 1;
+			host->disable_ts = srv->cur_ts;
 
-		uwsgi_connection_close(srv, hctx);
+			uwsgi_connection_close(srv, hctx);
 
-		/* reset the enviroment and restart the sub-request */
-		buffer_reset(con->physical.path);
-		con->mode = DIRECT;
+			/* reset the enviroment and restart the sub-request */
+			buffer_reset(con->physical.path);
+			con->mode = DIRECT;
 
-		joblist_append(srv, con);
+			joblist_append(srv, con);
 
-		/* mis-using HANDLER_WAIT_FOR_FD to break out of the loop
-		 * and hope that the childs will be restarted
-		 *
-		 */
+			/* mis-using HANDLER_WAIT_FOR_FD to break out of the loop
+			 * and hope that the childs will be restarted
+			 *
+			 */
 
-		return HANDLER_WAIT_FOR_FD;
-	case HANDLER_WAIT_FOR_EVENT:
-		return HANDLER_WAIT_FOR_EVENT;
-	case HANDLER_WAIT_FOR_FD:
-		return HANDLER_WAIT_FOR_FD;
-	default:
-		break;
+			return HANDLER_WAIT_FOR_FD;
+		case HANDLER_WAIT_FOR_EVENT:
+			return HANDLER_WAIT_FOR_EVENT;
+		case HANDLER_WAIT_FOR_FD:
+			return HANDLER_WAIT_FOR_FD;
+		default:
+			break;
 	}
 
 	if (con->file_started == 1) {
@@ -1000,7 +1053,7 @@ static handler_t uwsgi_handle_fdevent(void *s, void *ctx, int revents) {
 
 
 	if ((revents & FDEVENT_IN) &&
-	    hctx->state == UWSGI_STATE_READ) {
+			hctx->state == UWSGI_STATE_READ) {
 
 		if (p->conf.debug) {
 			log_error_write(srv, __FILE__, __LINE__, "sd",
@@ -1008,29 +1061,29 @@ static handler_t uwsgi_handle_fdevent(void *s, void *ctx, int revents) {
 		}
 
 		switch (uwsgi_demux_response(srv, hctx)) {
-		case 0:
-			break;
-		case 1:
-			hctx->host->usage--;
+			case 0:
+				break;
+			case 1:
+				hctx->host->usage--;
 
-			/* we are done */
-			uwsgi_connection_close(srv, hctx);
+				/* we are done */
+				uwsgi_connection_close(srv, hctx);
 
-			joblist_append(srv, con);
-			return HANDLER_FINISHED;
-		case -1:
-			if (con->file_started == 0) {
-				/* nothing has been send out yet, send a 500 */
-				connection_set_state(srv, con, CON_STATE_HANDLE_REQUEST);
-				con->http_status = 500;
-				con->mode = DIRECT;
-			} else {
-				/* response might have been already started, kill the connection */
-				connection_set_state(srv, con, CON_STATE_ERROR);
-			}
+				joblist_append(srv, con);
+				return HANDLER_FINISHED;
+			case -1:
+				if (con->file_started == 0) {
+					/* nothing has been send out yet, send a 500 */
+					connection_set_state(srv, con, CON_STATE_HANDLE_REQUEST);
+					con->http_status = 500;
+					con->mode = DIRECT;
+				} else {
+					/* response might have been already started, kill the connection */
+					connection_set_state(srv, con, CON_STATE_ERROR);
+				}
 
-			joblist_append(srv, con);
-			return HANDLER_FINISHED;
+				joblist_append(srv, con);
+				return HANDLER_FINISHED;
 		}
 	}
 
@@ -1041,7 +1094,7 @@ static handler_t uwsgi_handle_fdevent(void *s, void *ctx, int revents) {
 		}
 
 		if (hctx->state == UWSGI_STATE_CONNECT ||
-		    hctx->state == UWSGI_STATE_WRITE) {
+				hctx->state == UWSGI_STATE_WRITE) {
 			/* we are allowed to send something out
 			 *
 			 * 1. in a unfinished connect() call
@@ -1097,7 +1150,6 @@ static handler_t uwsgi_handle_fdevent(void *s, void *ctx, int revents) {
 static handler_t mod_uwsgi_check_extension(server *srv, connection *con, void *p_d) {
 	plugin_data *p = p_d;
 	size_t s_len;
-	unsigned long last_max = ULONG_MAX;
 	int max_usage = INT_MAX;
 	int ndx = -1;
 	size_t k;
@@ -1143,13 +1195,7 @@ static handler_t mod_uwsgi_check_extension(server *srv, connection *con, void *p
 		/* check extension in the form "/uwsgi_pattern" */
 		if (*(ext->key->ptr) == '/') {
 			if (strncmp(fn->ptr, ext->key->ptr, ct_len) == 0) {
-				if (s_len > ct_len + 1) {
-					char *pi_offset;
-
-					if (0 != (pi_offset = strchr(fn->ptr + ct_len + 1, '/'))) {
-						path_info_offset = pi_offset - fn->ptr;
-					}
-				}
+				path_info_offset = ct_len;
 				extension = ext;
 				break;
 			}
@@ -1274,7 +1320,7 @@ TRIGGER_FUNC(mod_uwsgi_trigger) {
 					data_uwsgi *host = (data_uwsgi *)extension->value->data[n];
 
 					if (!host->is_disabled ||
-					    srv->cur_ts - host->disable_ts < 5) continue;
+							srv->cur_ts - host->disable_ts < 5) continue;
 
 					log_error_write(srv, __FILE__, __LINE__,  "sbd",
 							"uwsgi - re-enabled:",

lock.c

@@ -0,0 +1,177 @@
+#include "uwsgi.h"
+
+
+#ifdef UWSGI_LOCK_USE_MUTEX
+
+#define UWSGI_LOCK_SIZE	sizeof(pthread_mutexattr_t) + sizeof(pthread_mutex_t)
+#define UWSGI_RWLOCK_SIZE	sizeof(pthread_rwlockattr_t) + sizeof(pthread_rwlock_t)
+
+// REMEMBER lock must contains space for both pthread_mutex_t and pthread_mutexattr_t !!! 
+void uwsgi_lock_init(void *lock) {
+
+	if (pthread_mutexattr_init((pthread_mutexattr_t *) lock)) {
+        	uwsgi_log("unable to allocate mutexattr structure\n");
+                exit(1);
+	}
+        if (pthread_mutexattr_setpshared((pthread_mutexattr_t *) lock, PTHREAD_PROCESS_SHARED)) {
+        	uwsgi_log("unable to share mutex\n");
+                exit(1);
+        }
+
+        if (pthread_mutex_init((pthread_mutex_t *) lock + sizeof(pthread_mutexattr_t), (pthread_mutexattr_t *) lock)) {
+        	uwsgi_log("unable to initialize mutex\n");
+                exit(1);
+        }
+
+
+}
+
+void uwsgi_rlock(void *lock) {
+	pthread_rwlock_rdlock((pthread_rwlock_t *) lock + sizeof(pthread_rwlockattr_t));
+}
+
+void uwsgi_wlock(void *lock) {
+	pthread_rwlock_wrlock((pthread_rwlock_t *) lock + sizeof(pthread_rwlockattr_t));
+}
+
+void uwsgi_rwunlock(void *lock) {
+	pthread_rwlock_unlock((pthread_rwlock_t *) lock + sizeof(pthread_rwlockattr_t));
+}
+
+void uwsgi_lock(void *lock) {
+
+	pthread_mutex_lock((pthread_mutex_t *) lock + sizeof(pthread_mutexattr_t));
+}
+
+void uwsgi_unlock(void *lock) {
+
+	pthread_mutex_unlock((pthread_mutex_t *) lock + sizeof(pthread_mutexattr_t));
+}
+
+void uwsgi_rwlock_init(void *lock) {
+
+        if (pthread_rwlockattr_init((pthread_rwlockattr_t *) lock)) {
+                uwsgi_log("unable to allocate rwlock structure\n");
+                exit(1);
+        }
+        if (pthread_rwlockattr_setpshared((pthread_rwlockattr_t *) lock, PTHREAD_PROCESS_SHARED)) {
+                uwsgi_log("unable to share rwlock\n");
+                exit(1);
+        }
+
+        if (pthread_rwlock_init((pthread_rwlock_t *) lock + sizeof(pthread_rwlockattr_t), (pthread_rwlockattr_t *) lock)) {
+                uwsgi_log("unable to initialize rwlock\n");
+                exit(1);
+        }
+
+
+}
+
+
+
+#endif
+
+#ifdef UWSGI_LOCK_USE_UMTX
+
+#include <machine/atomic.h>
+#include <sys/umtx.h>
+
+#define UWSGI_LOCK_SIZE		sizeof(struct umtx)
+#define UWSGI_RWLOCK_SIZE	sizeof(struct umtx)
+
+void uwsgi_rwlock_init(void *lock) { uwsgi_lock_init(lock) ;}
+void uwsgi_rlock(void *lock) { uwsgi_lock(lock);}
+void uwsgi_wlock(void *lock) { uwsgi_lock(lock);}
+void uwsgi_rwunlock(void *lock) { uwsgi_unlock(lock); }
+
+void uwsgi_lock_init(void *lock) {
+	umtx_init((struct umtx*) lock);
+}
+
+void uwsgi_lock(void *lock) {
+	umtx_lock(lock, 1);
+}
+
+void uwsgi_unlock(void *lock) {
+	umtx_unlock(lock, 1);
+}
+
+#endif
+
+
+#ifdef UWSGI_LOCK_USE_OSX_SPINLOCK
+
+#define UWSGI_LOCK_SIZE		sizeof(OSSpinLock)
+#define UWSGI_RWLOCK_SIZE	sizeof(OSSpinLock)
+
+
+void uwsgi_lock_init(void *lock) {
+
+	memset(lock, 0, sizeof(OSSpinLock));
+}
+
+void uwsgi_lock(void *lock) {
+
+	OSSpinLockLock((OSSpinLock *) lock);
+}
+
+void uwsgi_unlock(void *lock) {
+
+	OSSpinLockUnlock((OSSpinLock *) lock);
+}
+
+void uwsgi_rwlock_init(void *lock) { uwsgi_lock_init(lock) ;}
+void uwsgi_rlock(void *lock) { uwsgi_lock(lock);}
+void uwsgi_wlock(void *lock) { uwsgi_lock(lock);}
+void uwsgi_rwunlock(void *lock) { uwsgi_unlock(lock); }
+
+
+#endif
+
+
+#ifdef UWSGI_LOCK_USE_FLOCK
+
+#define UWSGI_LOCK_SIZE 8
+#define UWSGI_RWLOCK_SIZE 8
+
+void uwsgi_lock_init(void *lock) {}
+
+void uwsgi_lock(void *lock) {
+	//if (flock((int) *lock, LOCK_EX)) { uwsgi_error("flock()"); }
+}
+
+void uwsgi_unlock(void *lock) {
+	//if (flock((int) *lock, LOCK_UN)) { uwsgi_error("flock()"); }
+}
+
+void uwsgi_rwlock_init(void *lock) { uwsgi_lock_init(lock) ;}
+void uwsgi_rlock(void *lock) { uwsgi_lock(lock);}
+void uwsgi_wlock(void *lock) { uwsgi_lock(lock);}
+void uwsgi_rwunlock(void *lock) { uwsgi_unlock(lock); }
+
+#endif
+
+
+void *uwsgi_mmap_shared_lock() {
+	void *addr = NULL;
+	addr = mmap(NULL, UWSGI_LOCK_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0);
+
+	if (addr == NULL) {
+		uwsgi_error("mmap()");
+		exit(1);
+	}
+
+	return addr;
+}
+
+void *uwsgi_mmap_shared_rwlock() {
+	void *addr = NULL;
+	addr = mmap(NULL, UWSGI_RWLOCK_SIZE, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANON, -1, 0);
+
+	if (addr == NULL) {
+		uwsgi_error("mmap()");
+		exit(1);
+	}
+
+	return addr;
+}

logging.c

@@ -0,0 +1,210 @@
+#include "uwsgi.h"
+
+#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__DragonFly__) || defined(__OpenBSD__)
+#include <kvm.h>
+#include <sys/user.h>
+#elif defined(__sun__)
+/* Terrible Hack !!! */
+#ifndef _LP64
+#undef _FILE_OFFSET_BITS
+#endif
+#include <procfs.h>
+#define _FILE_OFFSET_BITS 64
+#endif
+
+#if defined(__NetBSD__) || defined(__FreeBSD__) || defined(__DragonFly__)
+#include <sys/sysctl.h>
+#endif
+
+extern struct uwsgi_server uwsgi;
+
+void log_request(struct wsgi_request *wsgi_req) {
+
+	// optimize this (please)
+	char *time_request;
+	time_t microseconds, microseconds2;
+	int rlen;
+	int app_req = -1;
+	char *msg2 = " ";
+	char *via = msg2;
+
+	char mempkt[4096];
+	char logpkt[4096];
+
+	struct iovec logvec[4];
+	int logvecpos = 0;
+
+	const char *msecs = "msecs";
+	const char *micros = "micros";
+
+	long int rt;
+	char *tsize = (char *) msecs;
+
+#ifdef UWSGI_SENDFILE
+	char *msg1 = " via sendfile() ";
+#endif
+
+	struct uwsgi_app *wi;
+
+	if (wsgi_req->app_id >= 0) {
+		wi = &uwsgi.apps[wsgi_req->app_id];
+		if (wi->requests > 0) {
+			app_req = wi->requests;
+		}
+	}
+
+#ifdef UWSGI_SENDFILE
+	if (wsgi_req->sendfile_fd > -1 && wsgi_req->sendfile_obj == wsgi_req->async_result) { //wsgi_req->sendfile_fd_size > 0 ) {
+		via = msg1;
+	}
+#endif
+
+	time_request = ctime((const time_t *) &wsgi_req->start_of_request.tv_sec);
+	microseconds = wsgi_req->end_of_request.tv_sec * 1000000 + wsgi_req->end_of_request.tv_usec;
+	microseconds2 = wsgi_req->start_of_request.tv_sec * 1000000 + wsgi_req->start_of_request.tv_usec;
+
+	rt = (long int) (microseconds - microseconds2);
+
+	if (uwsgi.log_micros) {
+		tsize = (char *) micros;
+	}
+	else {
+		rt /= 1000;
+	}
+
+	if (uwsgi.vhost) {
+		logvec[logvecpos].iov_base = wsgi_req->host;
+		logvec[logvecpos].iov_len = wsgi_req->host_len;
+		logvecpos++;
+
+		logvec[logvecpos].iov_base = " ";
+		logvec[logvecpos].iov_len = 1;
+		logvecpos++;
+	}
+
+	if (uwsgi.shared->options[UWSGI_OPTION_MEMORY_DEBUG] == 1) {
+#ifndef UNBIT
+		rlen = snprintf(mempkt, 4096, "{address space usage: %lld bytes/%lluMB} {rss usage: %llu bytes/%lluMB} ",
+				(unsigned long long) uwsgi.workers[uwsgi.mywid].vsz_size, (unsigned long long ) uwsgi.workers[uwsgi.mywid].vsz_size / 1024 / 1024,
+				(unsigned long long) uwsgi.workers[uwsgi.mywid].rss_size, (unsigned long long ) uwsgi.workers[uwsgi.mywid].rss_size / 1024 / 1024);
+#else
+		rlen = snprintf(mempkt, 4096, "{address space usage: %lld bytes/%lluMB} ",
+				(unsigned long long) uwsgi.workers[uwsgi.mywid].vsz_size, (unsigned long long) uwsgi.workers[uwsgi.mywid].vsz_size / 1024 / 1024);
+#endif
+
+		logvec[logvecpos].iov_base = mempkt;
+		logvec[logvecpos].iov_len = rlen;
+		logvecpos++;
+
+	}
+
+	rlen = snprintf(logpkt, 4096, "[pid: %d|app: %d|req: %d/%llu] %.*s (%.*s) {%d vars in %d bytes} [%.*s] %.*s %.*s => generated %llu bytes in %ld %s%s(%.*s %d) %d headers in %llu bytes (%d switches on core %d)\n",
+			(int) uwsgi.mypid,
+			wsgi_req->app_id,
+			app_req,
+			(unsigned long long ) uwsgi.workers[0].requests,
+			wsgi_req->remote_addr_len, wsgi_req->remote_addr,
+			wsgi_req->remote_user_len, wsgi_req->remote_user,
+			wsgi_req->var_cnt,
+			wsgi_req->uh.pktsize,
+			24, time_request,
+			wsgi_req->method_len, wsgi_req->method,
+			wsgi_req->uri_len, wsgi_req->uri,
+			(unsigned long long) wsgi_req->response_size,
+			rt, tsize,
+			via,
+			wsgi_req->protocol_len, wsgi_req->protocol,
+			wsgi_req->status,
+			wsgi_req->header_cnt,
+			(unsigned long long) wsgi_req->headers_size,
+			wsgi_req->switches, wsgi_req->async_id);
+
+	logvec[logvecpos].iov_base = logpkt;
+	logvec[logvecpos].iov_len = rlen;
+
+	// do not check for errors
+	rlen = writev(2, logvec, logvecpos+1);
+}
+
+void get_memusage() {
+
+#ifdef UNBIT
+	uwsgi.workers[uwsgi.mywid].vsz_size = syscall(356);
+#elif defined(__linux__)
+	FILE *procfile;
+	int i;
+	procfile = fopen("/proc/self/stat", "r");
+	if (procfile) {
+		i = fscanf(procfile, "%*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %*s %llu %lld", (unsigned long long *) &uwsgi.workers[uwsgi.mywid].vsz_size, (unsigned long long *) &uwsgi.workers[uwsgi.mywid].rss_size);
+		if (i != 2) {
+			uwsgi_log( "warning: invalid record in /proc/self/stat\n");
+		}
+		fclose(procfile);
+	}
+	uwsgi.workers[uwsgi.mywid].rss_size = uwsgi.workers[uwsgi.mywid].rss_size * uwsgi.page_size;
+#elif defined (__sun__)
+	psinfo_t info;
+	int procfd;
+
+	procfd = open("/proc/self/psinfo", O_RDONLY);
+	if (procfd >= 0) {
+		if ( read(procfd, (char *) &info, sizeof(info)) > 0) {
+			uwsgi.workers[uwsgi.mywid].rss_size = (uint64_t) info.pr_rssize * 1024;
+			uwsgi.workers[uwsgi.mywid].vsz_size = (uint64_t) info.pr_size * 1024;
+		}
+		close(procfd);
+	}
+
+#elif defined(__APPLE__)
+	/* darwin documentation says that the value are in pages, but they are bytes !!! */
+	struct task_basic_info t_info;
+	mach_msg_type_number_t t_size = sizeof(struct task_basic_info);
+
+	if (task_info(mach_task_self(), TASK_BASIC_INFO, (task_info_t) & t_info, &t_size) == KERN_SUCCESS) {
+		uwsgi.workers[uwsgi.mywid].rss_size = t_info.resident_size;
+		uwsgi.workers[uwsgi.mywid].vsz_size = t_info.virtual_size;
+	}
+#elif defined(__FreeBSD__) || defined(__NetBSD__) || defined(__DragonFly__) || defined(__OpenBSD__)
+	kvm_t *kv;
+	int cnt;
+
+	kv = kvm_open(NULL, NULL, NULL, O_RDONLY, NULL);
+	if (kv) {
+#if defined(__FreeBSD__) || defined(__DragonFly__)
+
+		struct kinfo_proc *kproc;
+		kproc = kvm_getprocs(kv, KERN_PROC_PID, uwsgi.mypid, &cnt);
+		if (kproc && cnt > 0) {
+			uwsgi.workers[uwsgi.mywid].vsz_size = kproc->ki_size;
+			uwsgi.workers[uwsgi.mywid].rss_size = kproc->ki_rssize * uwsgi.page_size;
+		}
+#elif defined(__NetBSD__) || defined(__OpenBSD__)
+		struct kinfo_proc2 *kproc2;
+
+		kproc2 = kvm_getproc2(kv, KERN_PROC_PID, uwsgi.mypid, sizeof(struct kinfo_proc2), &cnt);
+		if (kproc2 && cnt > 0) {
+#ifdef __OpenBSD__
+			uwsgi.workers[uwsgi.mywid].vsz_size = (kproc2->p_vm_dsize + kproc2->p_vm_ssize + kproc2->p_vm_tsize) * uwsgi.page_size;
+#else
+			uwsgi.workers[uwsgi.mywid].vsz_size = kproc2->p_vm_msize * uwsgi.page_size;
+#endif
+			uwsgi.workers[uwsgi.mywid].rss_size = kproc2->p_vm_rssize * uwsgi.page_size;
+		}
+#endif
+
+		kvm_close(kv);
+	}
+#elif defined(__HAIKU__)
+	area_info ai;
+	int32 cookie;
+
+	uwsgi.workers[uwsgi.mywid].vsz_size = 0;
+	uwsgi.workers[uwsgi.mywid].rss_size = 0;
+	while(get_next_area_info(0, &cookie, &ai) == B_OK) {
+		uwsgi.workers[uwsgi.mywid].vsz_size += ai.ram_size;
+		if ( (ai.protection & B_WRITE_AREA) != 0) {
+			uwsgi.workers[uwsgi.mywid].rss_size += ai.ram_size;
+		}
+	}
+#endif
+}

loop.c

@@ -0,0 +1,192 @@
+#include "uwsgi.h"
+
+extern struct uwsgi_server uwsgi;
+
+struct wsgi_request* threaded_current_wsgi_req() { return pthread_getspecific(uwsgi.tur_key); }
+struct wsgi_request* simple_current_wsgi_req() { return uwsgi.wsgi_req; }
+
+
+void uwsgi_register_loop(char *name, void *loop) {
+	
+	if (uwsgi.loops_cnt >= MAX_LOOPS) {
+		uwsgi_log("you can define %d loops at max\n", MAX_LOOPS);
+		exit(1);
+	}
+
+	uwsgi.loops[uwsgi.loops_cnt].name = name;
+	uwsgi.loops[uwsgi.loops_cnt].loop = loop;
+	uwsgi.loops_cnt++;
+}
+
+void *uwsgi_get_loop(char *name) {
+
+	int i;
+	
+	for(i=0;i<uwsgi.loops_cnt;i++) {
+		if (!strcmp(name, uwsgi.loops[i].name)) {
+			return uwsgi.loops[i].loop;
+		}
+	}
+
+	return NULL;
+}
+
+void *simple_loop(void *arg1) {
+
+	long core_id = (long) arg1;
+
+	struct wsgi_request *wsgi_req = uwsgi.wsgi_requests[core_id];
+	int i;
+
+#ifdef UWSGI_THREADING
+	//PyThreadState *pts;
+	sigset_t smask;
+
+	if (uwsgi.threads > 1) {
+
+		pthread_setspecific(uwsgi.tur_key, (void *) wsgi_req);
+
+		if (core_id > 0) {
+			// block all signals on new threads
+			sigfillset(&smask);
+			pthread_sigmask(SIG_BLOCK, &smask, NULL);
+			for(i=0;i<0xFF;i++) {
+				if (uwsgi.p[i]->init_thread) {
+					uwsgi.p[i]->init_thread(core_id);
+				}
+			}
+			/*
+			   pts = PyThreadState_New(uwsgi.main_thread->interp);
+			   pthread_setspecific(uwsgi.ut_save_key, (void *) pts);
+			   */
+		}
+	}
+#endif
+
+	while (uwsgi.workers[uwsgi.mywid].manage_next_request) {
+
+
+		UWSGI_CLEAR_STATUS;
+
+
+		wsgi_req_setup(wsgi_req, core_id);
+
+		if (wsgi_req_accept(wsgi_req)) {
+			continue;
+		}
+
+		if (wsgi_req_recv(wsgi_req)) {
+			continue;
+		}
+
+		uwsgi_close_request(wsgi_req);
+	}
+
+	pthread_exit(NULL);
+	
+	//never here
+	return NULL;
+}
+
+#ifdef UWSGI_ASYNC
+void complex_loop() {
+	int current_async_timeout = 0;
+	int i, j;
+	int interesting_fd;
+
+	struct wsgi_request *wsgi_req;
+
+	while (uwsgi.workers[uwsgi.mywid].manage_next_request) {
+
+		current_async_timeout = async_get_timeout();
+
+		uwsgi.async_nevents = event_queue_wait_multi(uwsgi.async_queue, current_async_timeout, uwsgi.async_events, 64);
+		async_expire_timeouts();
+
+		if (uwsgi.async_nevents < 0) {
+			continue;
+		}
+
+
+		
+		for(i=0; i<uwsgi.async_nevents;i++) {
+
+			interesting_fd = event_queue_interesting_fd(uwsgi.async_events, i);
+
+			if ( interesting_fd == uwsgi.sockets[0].fd) {
+
+				uwsgi.wsgi_req = find_first_available_wsgi_req();
+				if (uwsgi.wsgi_req == NULL) {
+					// async system is full !!!
+					goto cycle;
+				}
+
+				wsgi_req_setup(uwsgi.wsgi_req, uwsgi.wsgi_req->async_id );
+
+                                if (wsgi_req_simple_accept(uwsgi.wsgi_req, interesting_fd)) {
+                                        continue;
+                                }
+
+// on linux we do not need to reset the socket to blocking state
+#ifndef __linux__
+                                if (uwsgi.numproc > 1) {
+                                        /* re-set blocking socket */
+                                        if (fcntl(uwsgi.wsgi_req->poll.fd, F_SETFL, uwsgi.sockets[0].arg) < 0) {
+                                                uwsgi_error("fcntl()");
+						continue;
+                                        }
+                                }
+#endif
+
+				if (wsgi_req_recv(uwsgi.wsgi_req)) {
+					continue;
+				}
+
+				if (uwsgi.wsgi_req->async_status == UWSGI_OK) {
+					goto reqclear;
+				}
+
+			}
+			else if (  interesting_fd == uwsgi.sockets_poll[uwsgi.sockets_cnt].fd) {
+				// wake up cores waiting for signal
+				char byte;
+				if (read(uwsgi.sockets_poll[uwsgi.sockets_cnt].fd, &byte, 1) == 1) {
+				}
+				else {
+					uwsgi_error("read()");
+				}
+				for(j=0;j<uwsgi.async_current_max;j++) {
+                			wsgi_req = uwsgi.wsgi_requests[j] ;
+                			if (wsgi_req->sigwait) {
+						wsgi_req->signal_received = byte;
+						wsgi_req->sigwait = 0;
+					}
+				}
+			}
+			else {
+				uwsgi.wsgi_req = find_wsgi_req_by_fd(interesting_fd);
+				if (uwsgi.wsgi_req) {
+					uwsgi.wsgi_req->async_status = UWSGI_AGAIN;
+					uwsgi.wsgi_req->async_waiting_fd = -1;
+					uwsgi.wsgi_req->async_waiting_fd_monitored = 0;
+					uwsgi.wsgi_req->async_timeout = 0;
+				}
+
+				event_queue_del_fd(uwsgi.async_queue, interesting_fd);
+			}
+		}
+
+cycle:
+
+		uwsgi.wsgi_req = async_loop();
+
+		if (uwsgi.wsgi_req == NULL)
+			continue;
+		uwsgi.wsgi_req->async_status = UWSGI_OK;
+
+reqclear:
+		uwsgi_close_request(uwsgi.wsgi_req);
+
+	}
+}
+#endif

master.c

@@ -0,0 +1,991 @@
+#include "uwsgi.h"
+
+extern struct uwsgi_server uwsgi;
+
+void expire_rb_timeouts(struct rb_root *root) {
+
+        time_t current = time(NULL);
+        struct uwsgi_rb_timer *urbt;
+        struct uwsgi_signal_rb_timer *usrbt;
+
+        for(;;) {
+
+                urbt = uwsgi_min_rb_timer(root);
+
+                if (urbt == NULL) return;
+
+                if (urbt->key <= current) {
+			// remove the timeout and add another
+			usrbt = (struct uwsgi_signal_rb_timer *) urbt->data;
+			rb_erase(&usrbt->uwsgi_rb_timer->rbt, root);
+			free(usrbt->uwsgi_rb_timer);
+			usrbt->iterations_done++;
+			uwsgi_route_signal(usrbt->sig);
+			if (!usrbt->iterations || usrbt->iterations_done < usrbt->iterations) {
+				usrbt->uwsgi_rb_timer = uwsgi_add_rb_timer(root, time(NULL) + usrbt->value, usrbt);
+			}
+                        continue;
+                }
+
+                break;
+        }
+}
+
+
+void uwsgi_subscribe(char *subscription) {
+
+	char *ssb;
+	char subscrbuf[4096];
+	uint16_t ustrlen;
+
+	char *udp_address = strchr(subscription,':');
+        if (!udp_address) return;
+
+        char *subscription_key = strchr(udp_address+1, ':');
+        udp_address = uwsgi_concat2n(subscription, subscription_key-subscription, "", 0);
+
+        ssb = subscrbuf;
+
+	ustrlen = 3;
+        *ssb++ = (uint8_t) (ustrlen  & 0xff);
+        *ssb++ = (uint8_t) ((ustrlen >>8) & 0xff);
+        memcpy(ssb, "key", ustrlen);
+        ssb+=ustrlen;
+
+        ustrlen = strlen(subscription_key+1);
+        *ssb++ = (uint8_t) (ustrlen  & 0xff);
+        *ssb++ = (uint8_t) ((ustrlen >>8) & 0xff);
+        memcpy(ssb, subscription_key+1, ustrlen);
+        ssb+=ustrlen;
+
+        ustrlen = 7;
+        *ssb++ = (uint8_t) (ustrlen  & 0xff);
+        *ssb++ = (uint8_t) ((ustrlen >>8) & 0xff);
+        memcpy(ssb, "address", ustrlen);
+        ssb+=ustrlen;
+
+        ustrlen = strlen(uwsgi.sockets[0].name);
+        *ssb++ = (uint8_t) (ustrlen  & 0xff);
+        *ssb++ = (uint8_t) ((ustrlen >>8) & 0xff);
+        memcpy(ssb, uwsgi.sockets[0].name, ustrlen);
+        ssb+=ustrlen;
+
+        send_udp_message(224, udp_address, subscrbuf, ssb-subscrbuf);
+	free(udp_address);
+
+}
+
+#ifdef __linux__
+void get_linux_tcp_info(int fd) {
+	socklen_t tis = sizeof(struct tcp_info);
+
+	if (!getsockopt(fd, IPPROTO_TCP, TCP_INFO, &uwsgi.shared->ti, &tis)) {
+		// a check for older linux kernels
+		if (!uwsgi.shared->ti.tcpi_sacked) {
+			return;
+		}
+		if (uwsgi.shared->ti.tcpi_unacked >= uwsgi.shared->ti.tcpi_sacked) {
+			uwsgi_log_verbose("*** uWSGI listen queue of socket %d full !!! (%d/%d) ***\n", fd, uwsgi.shared->ti.tcpi_unacked, uwsgi.shared->ti.tcpi_sacked);
+		}
+	}
+}
+#endif
+
+void manage_cluster_announce(char *key, uint16_t keylen, char *val, uint16_t vallen, void *data) {
+
+	char *tmpstr;
+	struct uwsgi_cluster_node *ucn = (struct uwsgi_cluster_node *) data;
+	uwsgi_log("%.*s = %.*s\n", keylen, key, vallen, val);
+
+	if (!uwsgi_strncmp("hostname", 8, key, keylen)) {
+		strncpy(ucn->nodename, val, UMIN(vallen, 255));
+	}
+
+	if (!uwsgi_strncmp("address", 7, key, keylen)) {
+		strncpy(ucn->name, val, UMIN(vallen, 100));
+	}
+
+	if (!uwsgi_strncmp("workers", 7, key, keylen)) {
+		tmpstr = uwsgi_concat2n(val, vallen, "", 0);
+		ucn->workers = atoi(tmpstr);
+		free(tmpstr);
+	}
+
+	if (!uwsgi_strncmp("requests", 8, key, keylen)) {
+		tmpstr = uwsgi_concat2n(val, vallen, "", 0);
+		ucn->requests = strtoul(tmpstr, NULL, 0);
+		free(tmpstr);
+	}
+}
+
+void master_loop(char **argv, char **environ) {
+
+	uint64_t master_cycles = 0;
+	uint64_t tmp_counter;
+
+	char log_buf[4096];
+
+	uint64_t current_time = time(NULL);
+
+	struct timeval last_respawn;
+
+	pid_t pid;
+	int pid_found = 0;
+
+	pid_t diedpid;
+	int waitpid_status;
+
+	int working_workers = 0;
+	int blocking_workers = 0;
+
+	int ready_to_reload = 0;
+	int ready_to_die = 0;
+
+	int master_has_children = 0;
+
+	uint8_t uwsgi_signal;
+
+#ifdef UWSGI_UDP
+	struct pollfd uwsgi_poll[2];
+	int uwsgi_poll_size = 0;
+	struct sockaddr_in udp_client;
+	socklen_t udp_len;
+	char udp_client_addr[16];
+	int udp_managed = 0;
+	int udp_fd = -1 ;
+
+#ifdef UWSGI_MULTICAST
+	char *cluster_opt_buf = NULL;
+	int cluster_opt_size = 4;
+
+	char *cptrbuf;
+	uint16_t ustrlen;
+	struct uwsgi_header *uh;
+	struct uwsgi_cluster_node nucn;
+#endif
+#endif
+
+	int i=0,j;
+	int rlen;
+
+	int check_interval = 1;
+
+	struct uwsgi_rb_timer *min_timeout;
+	struct rb_root *rb_timers = uwsgi_init_rb_timer();
+
+	// release the GIL
+	//UWSGI_RELEASE_GIL
+
+	/* route signals to workers... */
+	signal(SIGHUP, (void *) &grace_them_all);
+	signal(SIGTERM, (void *) &reap_them_all);
+	signal(SIGINT, (void *) &kill_them_all);
+	signal(SIGQUIT, (void *) &kill_them_all);
+	/* used only to avoid human-errors */
+
+	signal(SIGUSR1, (void *) &stats);
+
+	uwsgi.master_queue = event_queue_init();
+
+#ifdef UWSGI_DEBUG
+	uwsgi_log("adding %d to signal poll\n", uwsgi.shared->worker_signal_pipe[0]);
+#endif
+	event_queue_add_fd_read(uwsgi.master_queue, uwsgi.shared->worker_signal_pipe[0]);
+
+	if (uwsgi.log_master) {
+#ifdef UWSGI_DEBUG
+		uwsgi_log("adding %d to master logging\n", uwsgi.shared->worker_log_pipe[0]);
+#endif
+		event_queue_add_fd_read(uwsgi.master_queue, uwsgi.shared->worker_log_pipe[0]);
+	}
+	
+
+	uwsgi.wsgi_req->buffer = uwsgi.async_buf[0];
+
+	if (uwsgi.has_emperor) {
+		event_queue_add_fd_read(uwsgi.master_queue, uwsgi.emperor_fd);
+	}
+#ifdef UWSGI_UDP
+	if (uwsgi.udp_socket) {
+		udp_fd = bind_to_udp(uwsgi.udp_socket, 0, 0);
+		uwsgi_poll[uwsgi_poll_size].fd = udp_fd;
+		if (uwsgi_poll[uwsgi_poll_size].fd < 0) {
+			uwsgi_log( "unable to bind to udp socket. SNMP and cluster management services will be disabled.\n");
+		}
+		else {
+			uwsgi_log( "UDP server enabled.\n");
+			uwsgi_poll[uwsgi_poll_size].events = POLLIN;
+			uwsgi_poll_size++;
+		}
+	}
+#ifdef UWSGI_MULTICAST
+	if (uwsgi.cluster) {
+		uwsgi_poll[uwsgi_poll_size].fd = uwsgi.cluster_fd;
+		uwsgi_poll[uwsgi_poll_size].events = POLLIN;
+		uwsgi_poll_size++;
+
+		event_queue_add_fd_read(uwsgi.master_queue, uwsgi.cluster_fd);
+
+		for(i=0;i<uwsgi.exported_opts_cnt;i++) {
+			//uwsgi_log("%s\n", uwsgi.exported_opts[i]->key);
+                	cluster_opt_size += 2+strlen(uwsgi.exported_opts[i]->key);
+			if (uwsgi.exported_opts[i]->value) {
+                        	cluster_opt_size += 2+strlen(uwsgi.exported_opts[i]->value);
+			}
+			else {
+				cluster_opt_size += 2 + 1;
+			}
+                }
+
+		//uwsgi_log("cluster opts size: %d\n", cluster_opt_size);
+		cluster_opt_buf = uwsgi_malloc(cluster_opt_size);
+
+		uh = (struct uwsgi_header *) cluster_opt_buf;
+
+		uh->modifier1 = 99;
+		uh->pktsize = cluster_opt_size - 4;
+		uh->modifier2 = 1;
+	
+		cptrbuf = cluster_opt_buf+4;
+
+		for(i=0;i<uwsgi.exported_opts_cnt;i++) {
+			//uwsgi_log("%s\n", uwsgi.exported_opts[i]->key);
+			ustrlen = strlen(uwsgi.exported_opts[i]->key);
+			*cptrbuf++ = (uint8_t) (ustrlen	 & 0xff);
+			*cptrbuf++ = (uint8_t) ((ustrlen >>8) & 0xff);
+			memcpy(cptrbuf, uwsgi.exported_opts[i]->key, ustrlen);
+			cptrbuf+=ustrlen;
+
+			if (uwsgi.exported_opts[i]->value) {
+				ustrlen = strlen(uwsgi.exported_opts[i]->value);
+				*cptrbuf++ = (uint8_t) (ustrlen	 & 0xff);
+				*cptrbuf++ = (uint8_t) ((ustrlen >>8) & 0xff);
+				memcpy(cptrbuf, uwsgi.exported_opts[i]->value, ustrlen);
+			}
+			else {
+				ustrlen = 1;
+				*cptrbuf++ = (uint8_t) (ustrlen	 & 0xff);
+				*cptrbuf++ = (uint8_t) ((ustrlen >>8) & 0xff);
+				*cptrbuf = '1' ;
+			}
+			cptrbuf+=ustrlen;
+		}
+
+	}
+#endif
+#endif
+
+#ifdef UWSGI_SNMP
+	if (uwsgi.snmp) {
+		if (uwsgi.snmp_community) {
+			if (strlen(uwsgi.snmp_community) > 72) {
+				uwsgi_log( "*** warning the supplied SNMP community string will be truncated to 72 chars ***\n");
+				memcpy(uwsgi.shared->snmp_community, uwsgi.snmp_community, 72);
+			}
+			else {
+				memcpy(uwsgi.shared->snmp_community, uwsgi.snmp_community, strlen(uwsgi.snmp_community) + 1);
+			}
+		}
+		uwsgi_log( "filling SNMP table...");
+
+		uwsgi.shared->snmp_gvalue[0].type = SNMP_COUNTER64;
+		uwsgi.shared->snmp_gvalue[0].val = &uwsgi.workers[0].requests;
+
+		uwsgi_log( "done\n");
+
+	}
+#endif
+
+	
+/*
+
+
+*/
+
+	// spawn fat gateways
+	for(i=0;i<uwsgi.gateways_cnt;i++) {
+        	if (uwsgi.gateways[i].pid == 0) {
+                	gateway_respawn(i);
+                }
+        }
+
+	// first subscription
+	for(i=0;i<uwsgi.subscriptions_cnt;i++) {
+		uwsgi_log("requested subscription for %s\n", uwsgi.subscriptions[i]);
+		uwsgi_subscribe(uwsgi.subscriptions[i]);
+	}
+
+	for (;;) {
+		//uwsgi_log("ready_to_reload %d %d\n", ready_to_reload, uwsgi.numproc);
+
+		if (uwsgi.master_mercy) {
+			if (uwsgi.master_mercy < time(NULL)) {
+				for(i=1;i<=uwsgi.numproc;i++) {
+					if (uwsgi.workers[i].pid > 0) {
+						uwsgi_log("worker %d (pid: %d) is taking too much time to die...NO MERCY !!!\n", i, uwsgi.workers[i].pid);
+						if (!kill(uwsgi.workers[i].pid, SIGKILL)) {
+							if (waitpid(uwsgi.workers[i].pid, &waitpid_status, 0) < 0) {
+								uwsgi_error("waitpid()");
+							}
+							uwsgi.workers[i].pid = 0;
+							if (uwsgi.to_hell) { ready_to_die++;}
+							else if (uwsgi.to_heaven) { ready_to_reload++;}
+						}
+						else {
+							uwsgi_error("kill()");
+						}
+					}
+				}
+			}
+		}
+		if (ready_to_die >= uwsgi.numproc && uwsgi.to_hell) {
+#ifdef UWSGI_SPOOLER
+			if (uwsgi.spool_dir && uwsgi.shared->spooler_pid > 0) {
+				kill(uwsgi.shared->spooler_pid, SIGKILL);
+				uwsgi_log( "killed the spooler with pid %d\n", uwsgi.shared->spooler_pid);
+			}
+
+#endif
+
+			// TODO kill all the gateways
+			uwsgi_log( "goodbye to uWSGI.\n");
+			exit(0);
+		}
+		if (ready_to_reload >= uwsgi.numproc && uwsgi.to_heaven) {
+#ifdef UWSGI_SPOOLER
+			if (uwsgi.spool_dir && uwsgi.shared->spooler_pid > 0) {
+				kill(uwsgi.shared->spooler_pid, SIGKILL);
+				uwsgi_log( "wait4() the spooler with pid %d...", uwsgi.shared->spooler_pid);
+				diedpid = waitpid(uwsgi.shared->spooler_pid, &waitpid_status, 0);
+				uwsgi_log( "done.");
+			}
+#endif
+
+			uwsgi_log( "binary reloading uWSGI...\n");
+			if (chdir(uwsgi.cwd)) {
+				uwsgi_error("chdir()");
+				exit(1);
+			}
+			/* check fd table (a module can obviosly open some fd on initialization...) */
+			uwsgi_log( "closing all non-uwsgi socket fds > 2 (_SC_OPEN_MAX = %ld)...\n", sysconf(_SC_OPEN_MAX));
+			for (i = 3; i < sysconf(_SC_OPEN_MAX); i++) {
+				int found = 0;
+				for(j=0;j<uwsgi.sockets_cnt;j++) {
+					if (i == uwsgi.sockets[j].fd) {
+						uwsgi_log("found fd %d\n", i);
+						found = 1;
+						break;
+					}
+				}
+
+				if (!found) {
+					if (uwsgi.has_emperor) {
+						if (i == uwsgi.emperor_fd) {
+							found = 1;
+						}
+					}
+				}
+				if (!found) {
+					close(i);
+				}
+			}
+
+			uwsgi_log( "running %s\n", uwsgi.binary_path);
+			argv[0] = uwsgi.binary_path;
+			//strcpy (argv[0], uwsgi.binary_path);
+			execvp(uwsgi.binary_path, argv);
+			uwsgi_error("execvp()");
+			// never here
+			exit(1);
+		}
+
+		if (uwsgi.numproc > 0 || uwsgi.gateways_cnt > 0 || ushared->daemons_cnt > 0) {
+			master_has_children = 1;
+		}
+#ifdef UWSGI_SPOOLER
+		if (uwsgi.spool_dir && uwsgi.shared->spooler_pid > 0) {
+			master_has_children = 1;
+		}
+#endif
+#ifdef UWSGI_PROXY
+		if (uwsgi.proxy_socket_name && uwsgi.shared->proxy_pid > 0) {
+			master_has_children = 1;
+		}
+		// TODO if gateways > 0 master_has_children == 1
+#endif
+
+		if (!master_has_children) {
+			diedpid = 0;
+		}
+		else {
+			diedpid = waitpid(WAIT_ANY, &waitpid_status, WNOHANG);
+			if (diedpid == -1) {
+				uwsgi_error("waitpid()");
+				/* here is better to reload all the uWSGI stack */
+				uwsgi_log( "something horrible happened...\n");
+				reap_them_all();
+				exit(1);
+			}
+		}
+
+		if (diedpid == 0) {
+
+			/* all processes ok, doing status scan after N seconds */
+			check_interval = uwsgi.shared->options[UWSGI_OPTION_MASTER_INTERVAL];
+			if (!check_interval)
+				check_interval = 1;
+
+
+			// add unregistered file monitors
+			// locking is not needed as monitors can only increase
+			for(i=0;i<ushared->files_monitored_cnt;i++) {
+				if (!ushared->files_monitored[i].registered) {
+					ushared->files_monitored[i].fd = event_queue_add_file_monitor(uwsgi.master_queue, ushared->files_monitored[i].filename, &ushared->files_monitored[i].id);
+					ushared->files_monitored[i].registered = 1;		
+				}
+			}
+
+			// add unregistered daemons
+			// locking is not needed as daemons can only increase (for now)
+			for(i=0;i<ushared->daemons_cnt;i++) {
+				if (!ushared->daemons[i].registered) {
+					uwsgi_log("spawning daemon %s\n", ushared->daemons[i].command);
+					spawn_daemon(&ushared->daemons[i]);
+					ushared->daemons[i].registered = 1;		
+				}
+			}
+
+
+			// add unregistered timers
+			// locking is not needed as timers can only increase
+			for(i=0;i<ushared->timers_cnt;i++) {
+                                if (!ushared->timers[i].registered) {
+					ushared->timers[i].fd = event_queue_add_timer(uwsgi.master_queue, &ushared->timers[i].id, ushared->timers[i].value);
+					ushared->timers[i].registered = 1;
+				}
+			}
+
+			// add unregistered rb_timers
+			// locking is not needed as rb_timers can only increase
+			for(i=0;i<ushared->rb_timers_cnt;i++) {
+                                if (!ushared->rb_timers[i].registered) {
+					ushared->rb_timers[i].uwsgi_rb_timer = uwsgi_add_rb_timer(rb_timers, time(NULL) + ushared->rb_timers[i].value, &ushared->rb_timers[i]);
+					ushared->rb_timers[i].registered = 1;
+				}
+			}
+
+				int interesting_fd = -1;
+
+				if (ushared->rb_timers_cnt>0) {
+					min_timeout = uwsgi_min_rb_timer(rb_timers);
+                			if (min_timeout == NULL ) {
+                        			check_interval = uwsgi.shared->options[UWSGI_OPTION_MASTER_INTERVAL];
+                			}
+                			else {
+                        			check_interval = min_timeout->key - time(NULL);
+                        			if (check_interval <= 0) {
+                                			expire_rb_timeouts(rb_timers);
+                                			check_interval = 0;
+                        			}
+                			}
+				}
+				rlen = event_queue_wait(uwsgi.master_queue, check_interval, &interesting_fd);
+
+				if (rlen == 0) {
+					if (ushared->rb_timers_cnt>0) {
+						expire_rb_timeouts(rb_timers);
+					}
+				}
+
+				if (rlen > 0) {
+
+					if (uwsgi.log_master) {
+						if (interesting_fd == uwsgi.shared->worker_log_pipe[0]) {
+							rlen = read(uwsgi.shared->worker_log_pipe[0], log_buf, 4096);
+							if (rlen > 0) {
+								if (uwsgi.log_syslog) {
+									syslog(LOG_INFO, "%.*s", rlen, log_buf);
+								}
+								// TODO allow uwsgi.logger = func
+							}	
+						}
+					}
+
+					if (uwsgi.has_emperor) {
+						if (interesting_fd == uwsgi.emperor_fd) {
+							char byte;
+							rlen = read(uwsgi.emperor_fd, &byte, 1);
+                                                        if (rlen > 0) {
+								uwsgi_log("received message %d from emperor\n", byte);
+								// remove me
+								if (byte == 0) {
+									close(uwsgi.emperor_fd);
+									uwsgi.has_emperor = 0;
+									kill_them_all();
+								}
+								// reload me
+								else if (byte == 1) {
+									grace_them_all();
+								}
+                                                        }
+							else {
+								uwsgi_log("lost connection with my emperor !!!\n");
+								close(uwsgi.emperor_fd);
+								uwsgi.has_emperor = 0;
+								kill_them_all();
+							}
+						}
+					}
+
+#ifdef UWSGI_UDP
+					if (uwsgi.udp_socket && interesting_fd == udp_fd) {
+						udp_len = sizeof(udp_client);
+						rlen = recvfrom(udp_fd, uwsgi.wsgi_req->buffer, uwsgi.buffer_size, 0, (struct sockaddr *) &udp_client, &udp_len);
+
+						if (rlen < 0) {
+							uwsgi_error("recvfrom()");
+						}
+						else if (rlen > 0) {
+
+							memset(udp_client_addr, 0, 16);
+							if (inet_ntop(AF_INET, &udp_client.sin_addr.s_addr, udp_client_addr, 16)) {
+								if (uwsgi.wsgi_req->buffer[0] == UWSGI_MODIFIER_MULTICAST_ANNOUNCE) {
+								}
+#ifdef UWSGI_SNMP
+								else if (uwsgi.wsgi_req->buffer[0] == 0x30 && uwsgi.snmp) {
+									manage_snmp(udp_fd, (uint8_t *) uwsgi.wsgi_req->buffer, rlen, &udp_client);
+								}
+#endif
+								else {
+
+									// loop the various udp manager until one returns true
+									udp_managed = 0;
+									for(i=0;i<0xFF;i++) {
+										if (uwsgi.p[i]->manage_udp) {
+											if (uwsgi.p[i]->manage_udp(udp_client_addr, udp_client.sin_port, uwsgi.wsgi_req->buffer, rlen)) {
+												udp_managed = 1;
+												break;
+											}
+										}
+									}
+
+									// else a simple udp logger
+									if (!udp_managed) {
+										uwsgi_log( "[udp:%s:%d] %.*s", udp_client_addr, ntohs(udp_client.sin_port), rlen, uwsgi.wsgi_req->buffer);
+									}
+								}
+							}
+							else {
+								uwsgi_error("inet_ntop()");
+							}
+						}
+
+						continue;
+					}
+
+#ifdef UWSGI_MULTICAST
+					if (interesting_fd == uwsgi.cluster_fd) {
+					
+						if (uwsgi_get_dgram(uwsgi.cluster_fd, uwsgi.wsgi_requests[0])) {
+							continue;
+						}
+
+						switch(uwsgi.wsgi_requests[0]->uh.modifier1) {
+							case 95:
+								memset(&nucn, 0, sizeof(struct uwsgi_cluster_node));
+								uwsgi_hooked_parse(uwsgi.wsgi_requests[0]->buffer, uwsgi.wsgi_requests[0]->uh.pktsize, manage_cluster_announce, &nucn);
+								if (nucn.name[0] != 0) {
+									uwsgi_cluster_add_node(&nucn, CLUSTER_NODE_DYNAMIC);
+								}
+								break;
+							case 96:
+								uwsgi_log_verbose("%.*s\n", uwsgi.wsgi_requests[0]->uh.pktsize, uwsgi.wsgi_requests[0]->buffer);
+								break;
+							case 98:
+								if (kill(getpid(), SIGHUP)) {
+									uwsgi_error("kill()");
+								}
+								break;
+							case 99:
+								if (uwsgi.cluster_nodes) break;
+								if (uwsgi.wsgi_requests[0]->uh.modifier2 == 0) {
+									uwsgi_log("requested configuration data, sending %d bytes\n", cluster_opt_size);
+									sendto(uwsgi.cluster_fd, cluster_opt_buf, cluster_opt_size, 0, (struct sockaddr *) &uwsgi.mc_cluster_addr, sizeof(uwsgi.mc_cluster_addr));
+								}
+								break;
+							case 73:
+								uwsgi_log_verbose("[uWSGI cluster %s] new node available: %.*s\n", uwsgi.cluster, uwsgi.wsgi_requests[0]->uh.pktsize, uwsgi.wsgi_requests[0]->buffer);
+								break;
+						}
+						continue;
+					}
+#endif
+
+#endif
+
+					
+					int next_iteration = 0;
+
+					uwsgi_lock(uwsgi.fmon_table_lock);
+					for(i=0;i<ushared->files_monitored_cnt;i++) {
+						if (ushared->files_monitored[i].registered) {
+							uwsgi_log("fmon check %d == %d\n", interesting_fd, ushared->files_monitored[i].fd) ;
+							if (interesting_fd == ushared->files_monitored[i].fd) {
+								struct uwsgi_fmon *uf = event_queue_ack_file_monitor(uwsgi.master_queue, interesting_fd);
+								// now call the file_monitor handler
+								if (uf) uwsgi_route_signal(uf->sig);
+								break;
+							}
+						}
+					}
+
+					uwsgi_unlock(uwsgi.fmon_table_lock);
+					if (next_iteration) continue;
+
+					next_iteration = 0;
+
+					for(i=0;i<ushared->timers_cnt;i++) {
+                                                if (ushared->timers[i].registered) {
+                                                        if (interesting_fd == ushared->timers[i].fd) {
+                                                                struct uwsgi_timer *ut = event_queue_ack_timer(interesting_fd);
+                                                                // now call the file_monitor handler
+                                                                if (ut) uwsgi_route_signal(ut->sig);
+                                                                break;
+                                                        }
+                                                }
+                                        }
+                                        if (next_iteration) continue;
+
+
+					// check for worker signal
+					if (interesting_fd == uwsgi.shared->worker_signal_pipe[0]) {
+						rlen = read(interesting_fd, &uwsgi_signal, 1);
+						if (rlen < 0) {
+							uwsgi_error("read()");
+						}	
+						else if (rlen > 0) {
+							uwsgi_log("received uwsgi signal %d from workers\n", uwsgi_signal);
+							uwsgi_route_signal(uwsgi_signal);
+						}
+						else {
+							uwsgi_log_verbose("lost connection with worker %d\n", i);
+							close(interesting_fd);
+							//uwsgi.workers[i].pipe[0] = -1;
+						}
+					}
+				}
+
+			current_time = time(NULL);	
+			// checking logsize
+			if (uwsgi.logfile) {
+				uwsgi.shared->logsize = lseek(2, 0, SEEK_CUR);
+				if (uwsgi.shared->logsize > 8192) {
+					//uwsgi_log("logsize: %d\n", uwsgi.shared->logsize);
+					char *new_logfile = uwsgi_malloc(strlen(uwsgi.logfile) + 14 + 1);
+					memset(new_logfile, 0, strlen(uwsgi.logfile) + 14 + 1);    
+					if (!rename(uwsgi.logfile, new_logfile)) {
+						// close 2, reopen logfile dup'it and gracefully reload workers;
+					}
+					free(new_logfile);
+				}	
+			}
+
+				
+			master_cycles++;
+			working_workers = 0;
+			blocking_workers = 0;
+
+			// recalculate requests counter on race conditions risky configurations
+			// a bit of inaccuracy is better than locking;)
+
+			if (uwsgi.cores > 1) {
+				for(i=1;i<uwsgi.numproc+1;i++) {
+					tmp_counter = 0;
+					for(j=0;j<uwsgi.cores;j++) {
+						tmp_counter += uwsgi.core[j]->requests;
+					}
+					uwsgi.workers[i].requests = tmp_counter;
+				}
+			}
+
+			if (uwsgi.numproc > 1) {
+				tmp_counter = 0;
+				for(i=1;i<uwsgi.numproc+1;i++) {
+					tmp_counter += uwsgi.workers[i].requests;
+				}
+				uwsgi.workers[0].requests = tmp_counter;
+			}
+
+			// remove expired cache items
+			if (uwsgi.cache_max_items > 0) {
+				for(i=0;i< (int)uwsgi.cache_max_items;i++) {
+					uwsgi_wlock(uwsgi.cache_lock);
+					if (uwsgi.cache_items[i].expires) {
+						if (uwsgi.cache_items[i].expires < current_time) {
+							uwsgi_cache_del(uwsgi.cache_items[i].key, uwsgi.cache_items[i].keysize);
+						}
+					}
+					uwsgi_rwunlock(uwsgi.cache_lock);
+				}
+			}
+
+			check_interval = uwsgi.shared->options[UWSGI_OPTION_MASTER_INTERVAL];
+			if (!check_interval)
+				check_interval = 1;
+
+
+#ifdef __linux__
+			for(i=0;i<uwsgi.sockets_cnt;i++) {
+				if (uwsgi.sockets[i].family != AF_INET) continue;
+				get_linux_tcp_info(uwsgi.sockets[i].fd);
+			}
+#endif
+
+			for (i = 1; i <= uwsgi.numproc; i++) {
+				/* first check for harakiri */
+				if (uwsgi.workers[i].harakiri > 0) {
+					if (uwsgi.workers[i].harakiri < (time_t) current_time) {
+						/* first try to invoke the harakiri() custom handler */
+						/* TODO */
+						/* then brutally kill the worker */
+						uwsgi_log("*** HARAKIRI ON WORKER %d (pid: %d) ***\n", i, uwsgi.workers[i].pid);
+						if (uwsgi.harakiri_verbose) {
+#ifdef __linux__
+							int proc_file;
+							char proc_buf[4096];
+							char proc_name[64];
+							ssize_t proc_len;
+
+							if (snprintf(proc_name, 64, "/proc/%d/syscall", uwsgi.workers[i].pid) > 0) {
+								memset(proc_buf, 0, 4096);
+								proc_file = open(proc_name, O_RDONLY);
+								if (proc_file >= 0) {
+									proc_len = read(proc_file, proc_buf, 4096);
+									if (proc_len > 0) {
+										uwsgi_log("HARAKIRI: -- syscall> %s", proc_buf);
+									}
+									close(proc_file);	
+								}
+							}
+
+							if (snprintf(proc_name, 64, "/proc/%d/wchan", uwsgi.workers[i].pid) > 0) {
+								memset(proc_buf, 0, 4096);
+
+								proc_file = open(proc_name, O_RDONLY);
+                                                        	if (proc_file >= 0) {
+                                                                	proc_len = read(proc_file, proc_buf, 4096);
+                                                                	if (proc_len > 0) {
+                                                                        	uwsgi_log("HARAKIRI: -- wchan> %s\n", proc_buf);
+                                                                	}
+                                                                	close(proc_file);
+                                                        	}
+							}
+						
+#endif
+						}
+						kill(uwsgi.workers[i].pid, SIGUSR2);
+						// allow SIGUSR2 to be delivered
+						sleep(1);
+						kill(uwsgi.workers[i].pid, SIGKILL);
+						// to avoid races
+						uwsgi.workers[i].harakiri = 0;
+					}
+				}
+				/* load counters */
+				if (uwsgi.workers[i].status & UWSGI_STATUS_IN_REQUEST)
+					working_workers++;
+
+				if (uwsgi.workers[i].status & UWSGI_STATUS_BLOCKING)
+					blocking_workers++;
+
+				uwsgi.workers[i].last_running_time = uwsgi.workers[i].running_time;
+			}
+
+#ifdef UWSGI_UDP
+			// check for cluster nodes
+			for (i = 0; i < MAX_CLUSTER_NODES; i++) {
+				struct uwsgi_cluster_node *ucn = &uwsgi.shared->nodes[i];
+
+				if (ucn->name[0] != 0 && ucn->type == CLUSTER_NODE_STATIC && ucn->status == UWSGI_NODE_FAILED) {
+					// should i retry ?
+					if (master_cycles % ucn->errors == 0) {
+						if (!uwsgi_ping_node(i, uwsgi.wsgi_req)) {
+							ucn->status = UWSGI_NODE_OK;
+							uwsgi_log( "re-enabled cluster node %d/%s\n", i, ucn->name);
+						}
+						else {
+							ucn->errors++;
+						}
+					}
+				}
+				else if (ucn->name[0] != 0 && ucn->type == CLUSTER_NODE_DYNAMIC) {
+					// if the last_seen attr is higher than 30 secs ago, mark the node as dead
+					if ( (current_time - ucn->last_seen) > 30) {
+						uwsgi_log_verbose("no presence announce in the last 30 seconds by node %s, i assume it is dead.\n", ucn->name);
+						ucn->name[0] = 0 ;
+					}
+				}
+			}
+
+			// reannounce myself every 10 cycles
+			if (uwsgi.cluster && uwsgi.cluster_fd >= 0 && !uwsgi.cluster_nodes && (master_cycles % 10) == 0) {
+				uwsgi_cluster_add_me();
+			}
+
+			// resubscribe every 10 cycles
+			if (uwsgi.subscriptions_cnt > 0 && (master_cycles % 10) == 0) {
+				for(i=0;i<uwsgi.subscriptions_cnt;i++) {
+					uwsgi_subscribe(uwsgi.subscriptions[i]);
+				}
+			}
+
+
+#endif
+
+			// now check for lb pool
+			
+			
+			continue;
+
+		}
+#ifdef UWSGI_SPOOLER
+		/* reload the spooler */
+		if (uwsgi.spool_dir && uwsgi.shared->spooler_pid > 0) {
+			if (diedpid == uwsgi.shared->spooler_pid) {
+				uwsgi_log( "OOOPS the spooler is no more...trying respawn...\n");
+				uwsgi.shared->spooler_pid = spooler_start();
+				continue;
+			}
+		}
+#endif
+
+		// reload gateways and daemons only on normal workflow
+		if (!uwsgi.to_heaven && !uwsgi.to_hell) {
+		/* reload the gateways */
+		// TODO reload_gateway(diedpid);
+		pid_found = 0;
+		for(i=0;i<uwsgi.gateways_cnt;i++) {
+			if (uwsgi.gateways[i].pid == diedpid) {
+				gateway_respawn(i);
+				pid_found = 1;
+				break;
+			}
+		}
+
+		if (pid_found) continue;
+
+		/* reload the daemons */
+                // TODO reload_gateway(diedpid);
+                pid_found = 0;
+                for(i=0;i<uwsgi.shared->daemons_cnt;i++) {
+                        if (uwsgi.shared->daemons[i].pid == diedpid) {
+                                spawn_daemon(&uwsgi.shared->daemons[i]);
+                                pid_found = 1;
+                                break;
+                        }
+                }
+
+		if (pid_found) continue;
+		}
+
+		/* What happens here ?
+
+			case 1) the diedpid is not a worker, report it and continue
+			case 2) the diedpid is a worker and we are not in a reload procedure -> reload it
+			case 3) the diedpid is a worker and we are in graceful reload -> ready_to_reload++ and continue
+			case 3) the diedpid is a worker and we are in brutal reload -> ready_to_die++ and continue
+		
+
+		*/
+
+		uwsgi.mywid = find_worker_id(diedpid);
+		if (uwsgi.mywid <= 0) {
+			if (WIFEXITED(waitpid_status)) {
+				uwsgi_log("subprocess %d exited with code %d\n", (int) diedpid, WEXITSTATUS(waitpid_status));
+			}
+			else if (WIFSIGNALED(waitpid_status)) {
+				uwsgi_log("subprocess %d exited by signal %d\n", (int) diedpid, WTERMSIG(waitpid_status));
+			}
+			else if (WIFSTOPPED(waitpid_status)) {
+				uwsgi_log("subprocess %d stopped\n", (int) diedpid);
+			}
+			continue;
+		}
+		else {
+
+			if (uwsgi.to_heaven) {
+                                ready_to_reload++;
+				uwsgi.workers[uwsgi.mywid].pid = 0;
+				// only to be safe :P
+				uwsgi.workers[uwsgi.mywid].harakiri = 0;	
+                                continue;
+                        }
+                        else if (uwsgi.to_hell) {
+                                ready_to_die++;
+				uwsgi.workers[uwsgi.mywid].pid = 0;
+				// only to be safe :P
+				uwsgi.workers[uwsgi.mywid].harakiri = 0;	
+                                continue;
+                        }
+
+
+		uwsgi_log( "DAMN ! process %d died :( trying respawn ...\n", diedpid);
+		gettimeofday(&last_respawn, NULL);
+		if (last_respawn.tv_sec == uwsgi.respawn_delta) {
+			uwsgi_log( "worker respawning too fast !!! i have to sleep a bit...\n");
+			/* TODO, user configurable fork throttler */
+			sleep(2);
+		}
+		gettimeofday(&last_respawn, NULL);
+		uwsgi.respawn_delta = last_respawn.tv_sec;
+		// close the communication pipe
+		/*
+		close(uwsgi.workers[uwsgi.mywid].pipe[0]);
+		if (socketpair(AF_UNIX, SOCK_STREAM, 0, uwsgi.workers[uwsgi.mywid].pipe)) {
+			uwsgi_error("socketpair()\n");
+			continue;
+		}
+		*/
+		pid = fork();
+		if (pid == 0) {
+			// fix the communication pipe
+			close(uwsgi.shared->worker_signal_pipe[0]);
+			uwsgi.mypid = getpid();
+			uwsgi.workers[uwsgi.mywid].pid = uwsgi.mypid;
+			uwsgi.workers[uwsgi.mywid].harakiri = 0;
+			uwsgi.workers[uwsgi.mywid].requests = 0;
+			uwsgi.workers[uwsgi.mywid].failed_requests = 0;
+			uwsgi.workers[uwsgi.mywid].respawn_count++;
+			uwsgi.workers[uwsgi.mywid].last_spawn = current_time;
+			uwsgi.workers[uwsgi.mywid].manage_next_request = 1;
+			break;
+		}
+		else if (pid < 1) {
+			uwsgi_error("fork()");
+		}
+		else {
+			uwsgi_log( "Respawned uWSGI worker (new pid: %d)\n", pid);
+			//close(uwsgi.workers[uwsgi.mywid].pipe[1]);
+			//event_queue_add_fd_read(uwsgi.master_queue, uwsgi.workers[uwsgi.mywid].pipe[0]);
+#ifdef UWSGI_SPOOLER
+			if (uwsgi.mywid <= 0 && diedpid != uwsgi.shared->spooler_pid) {
+#else
+				if (uwsgi.mywid <= 0) {
+#endif
+
+#ifdef UWSGI_PROXY
+			// TODO if no gateway span the error !!!
+			if (diedpid != uwsgi.shared->proxy_pid) {
+#endif
+						uwsgi_log( "warning the died pid was not in the workers list. Probably you hit a BUG of uWSGI\n");
+#ifdef UWSGI_PROXY
+					}
+#endif
+				}
+			}
+		}
+
+
+		}
+
+	}

mega.xml

@@ -0,0 +1,22 @@
+<unbit>
+	<pippo/>
+
+	<pluto>
+		ciao
+		ciao
+	</pluto>
+
+
+	<uwsgi id="unbit.it">
+		<http>:3333</http>
+		<module>trac.web.main:dispatch_request</module>
+		<pluto>ciao</pluto>
+		<env>TRAC_ENV=/root/uwsgi/utrac</env>
+	</uwsgi>
+
+	<uwsgi id="projects.unbit.it">
+		<http>:4444</http>
+		<module>trac.web.main:dispatch_request</module>
+	</uwsgi>
+
+</unbit>

mjpeg_stream.py

@@ -0,0 +1,26 @@
+import uwsgi
+
+import os
+
+def application(env, start_response):
+
+	boundary = 'uwsgi_mjpeg_frame'
+
+	start_response('200 Ok', [
+
+				('Cache-Control', 'no-cache'),
+				('Cache-Control', 'private'),
+				('Pragma', 'no-cache'),
+				('Content-Type', 'multipart/x-mixed-replace; boundary=' + boundary),
+				]
+			)
+
+
+	yield "--%s\n" % boundary
+
+	while 1:
+		yield "Content-Type: image/jpeg\r\n\r\n"
+		uwsgi.sendfile('screenshot.jpg')
+		yield "--%s\n" % boundary
+		#os.system('./isightcapture -w 640 -h 480 screenshot.jpg')
+		#os.system('screencapture -m -T 1 screenshot.jpg')

mojoapp.pl

@@ -0,0 +1,23 @@
+use Mojolicious::Lite;
+
+# /
+get '/' => 'index';
+
+# /*
+get '/:groovy' => sub {
+    my $self = shift;
+    $self->render_text($self->param('groovy'), layout => 'funky');
+};
+
+app->start('psgi');
+__DATA__
+
+@@ index.html.ep
+% layout 'funky';
+Yea baby!
+
+@@ layouts/funky.html.ep
+<!doctype html><html>
+    <head><title>Funky!</title></head>
+    <body><%= content %></body>
+</html>

multi.ini

@@ -0,0 +1,13 @@
+[uwsgi]
+socket = :3033
+socket = :3034
+vacuum = true
+socket = pippo1.sock
+socket = pippo2.sock
+socket = 127.0.0.1:1717
+memory-report = true
+master = true
+processes = 10
+mount = /app1=werkzeug.testapp:test_app
+mount = /app2=config:/Users/roberta/uwsgi/my.ini
+mount = /app3=pinaxsite/deploy/pinax.wsgi

multi.xml

@@ -0,0 +1,50 @@
+<uwsgi>
+
+	<plugins>rack</plugins>
+
+	<http>:9090</http>
+
+	<socket>:3031</socket>
+	<socket>127.0.0.1:3032</socket>
+
+	<manage-script-name/>
+	
+	<master/>
+	<processes>8</processes>
+
+<!--
+	<vhost/>
+	<vhost-host/>
+-->
+
+	<env>TRAC_ENV=utrac</env>
+
+
+	<app mountpoint="/">
+		<module>werkzeug.testapp:test_app</module>
+	</app>
+
+	<app mountpoint="/trac">
+		<module>trac.web.main:dispatch_request</module>
+	</app>
+
+	<app mountpoint="/trac/foo">
+		<module>werkzeug.testapp:test_app</module>
+	</app>
+
+	<app mountpoint="/bzr">
+<eval>
+from bzrlib.transport.http import wsgi
+application = wsgi.make_app("mybzr", "/bzr", readonly=False)
+</eval>
+	</app>
+
+	<app domain="sirius002:9090">
+		<module>trac.web.main:dispatch_request</module>
+	</app>
+
+	<app domain="sirius003:9090">
+		<rack>config2.ru</rack>
+	</app>
+
+</uwsgi>

multiapp.py

@@ -0,0 +1,27 @@
+import werkzeug
+
+def web3_app(environ):
+    status = b'200 OK'
+    headers = [(b'Content-type', b'text/plain')]
+    body = [b'I am a Web3 app\n']
+    return body, status, headers
+
+def zero_app(e,s):
+    s('200 OK', [ ('Content-Type', 'text/plain') ])
+    return ""
+
+def not_found(e,s):
+    s('404 Not Found', [ ('Content-Type', 'text/plain') ])
+    return ""
+
+
+def wsgi_app(e, s):
+    s('200 OK', [ ('Content-Type', 'text/plain') ])
+    yield "I am a WSGI app\n"
+
+
+def internal_server_error(e, s):
+    s('500 Internal Server Error', [ ('Content-Type', 'text/plain') ])
+    return ""
+
+applications = {'':web3_app, '/wsgi':wsgi_app, '/test':werkzeug.test_app, '/zero':zero_app, '/notfound':not_found, '/ise':internal_server_error}

myadmin.py

@@ -0,0 +1,7 @@
+import uwsgi
+import struct
+import sys
+
+
+print uwsgi.send_uwsgi_message(sys.argv[1], int(sys.argv[2]), 10, int(sys.argv[3]), struct.pack("i", int(sys.argv[4])))
+

plugins.c

@@ -0,0 +1,64 @@
+#include "uwsgi.h"
+
+extern struct uwsgi_server uwsgi;
+
+void embed_plugins() {
+
+#ifdef UWSGI_EMBED_PLUGIN_PSGI
+	if (uwsgi.plugin_arg_psgi)
+		uwsgi_load_plugin(5, "psgi_plugin.so", uwsgi.plugin_arg_psgi, 0);
+#endif
+
+#ifdef UWSGI_EMBED_PLUGIN_LUA
+	if (uwsgi.plugin_arg_lua)
+		uwsgi_load_plugin(6, "lua_plugin.so", uwsgi.plugin_arg_lua, 0);
+#endif
+
+#ifdef UWSGI_EMBED_PLUGIN_RACK
+	if (uwsgi.plugin_arg_rack)
+		uwsgi_load_plugin(7, "rack_plugin.so", uwsgi.plugin_arg_rack, 0);
+#endif
+
+}
+
+int uwsgi_load_plugin(int modifier, char *plugin, char *pargs, int absolute) {
+
+	void *plugin_handle;
+
+	char *plugin_name;
+	char *plugin_entry_symbol;
+	struct uwsgi_plugin *up;
+
+	if (absolute) {
+		plugin_name = malloc(strlen(plugin) + 1);
+		memcpy(plugin_name, plugin, strlen(plugin) + 1);
+	}	
+	else {
+		plugin_name = uwsgi_concat4(UWSGI_PLUGIN_DIR, "/", plugin, "_plugin.so");
+	}
+	plugin_handle = dlopen(plugin_name, RTLD_NOW | RTLD_GLOBAL);
+	free(plugin_name);
+
+        if (!plugin_handle) {
+                uwsgi_log( "%s\n", dlerror());
+        }
+        else {
+		plugin_entry_symbol = uwsgi_concat2(plugin, "_plugin");
+                up = dlsym(plugin_handle, plugin_entry_symbol);
+                if (up) {
+			if (modifier != -1) {
+				fill_plugin_table(modifier, up);			
+			}
+			else {
+				fill_plugin_table(up->modifier1, up);			
+			}
+			return 1;
+                }
+                uwsgi_log( "%s\n", dlerror());
+        }
+
+	return 0;
+
+
+	return -1;
+}

plugins/admin/admin_plugin.c

@@ -0,0 +1,28 @@
+/* uwsgi ADMIN|10 */
+int uwsgi_request_admin(struct wsgi_request *wsgi_req) {
+        uint32_t opt_value = 0;
+        int i;
+
+        if (wsgi_req->uh.pktsize >= 4) {
+                memcpy(&opt_value, wsgi_req->buffer, 4);
+                // TODO: check endianess ?
+        }
+
+        uwsgi_log( "setting internal option %d to %d\n", wsgi_req->uh.modifier2, opt_value);
+        uwsgi.shared->options[wsgi_req->uh.modifier2] = opt_value;
+
+        // ACK
+        wsgi_req->uh.modifier1 = 255;
+        wsgi_req->uh.pktsize = 0;
+        wsgi_req->uh.modifier2 = 1;
+
+        i = write(wsgi_req->poll.fd, wsgi_req, 4);
+        if (i != 4) {
+                uwsgi_error("write()");
+        }
+
+
+
+        return UWSGI_OK;
+}
+

plugins/cgi/cgi_plugin.c

@@ -0,0 +1,139 @@
+#include "../../uwsgi.h"
+
+#include <wordexp.h>
+
+extern struct uwsgi_server uwsgi;
+
+char *cgi_docroot;
+
+#define LONG_ARGS_CGI_BASE	17000 + ((9 + 1) * 100)
+#define LONG_ARGS_CGI		LONG_ARGS_CGI_BASE + 1
+
+struct option uwsgi_cgi_options[] = {
+
+        {"cgi", required_argument, 0, LONG_ARGS_CGI},
+        {0, 0, 0, 0},
+
+};
+
+int uwsgi_cgi_init(){
+
+
+	uwsgi_log("initialized CGI engine\n");
+
+	return 1;
+
+}
+
+int uwsgi_cgi_request(struct wsgi_request *wsgi_req) {
+
+	int i;
+	pid_t cgi_pid;
+	int waitpid_status;
+	char *argv[2];
+	char full_path[PATH_MAX];
+
+	/* Standard CGI request */
+	if (!wsgi_req->uh.pktsize) {
+		uwsgi_log("Invalid CGI request. skip.\n");
+		return -1;
+	}
+
+
+	if (uwsgi_parse_vars(wsgi_req)) {
+		uwsgi_log("Invalid CGI request. skip.\n");
+		return -1;
+	}
+
+	// check for file availability (and 'runnability')
+
+	cgi_pid = fork();
+
+	if (cgi_pid < 0) {
+		uwsgi_error("fork()");
+		return -1;
+	}
+
+	if (cgi_pid > 0) {
+		// close input
+		close(wsgi_req->poll.fd);
+		wsgi_req->fd_closed = 1;
+
+		// now wait for fd	
+		if (waitpid(cgi_pid, &waitpid_status ,0) > 0) {
+			uwsgi_log("CGI FINISHED\n");
+		}
+		return 0;
+	}
+
+	// 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) {
+			close(i);
+		}
+	}
+
+	// now map wsgi_req->poll.fd to 0 && 1
+	if (wsgi_req->poll.fd != 0) {
+		dup2(wsgi_req->poll.fd, 0);
+		close(wsgi_req->poll.fd);
+	}
+
+	dup2(0,1);
+	
+
+	// fill cgi env
+	for(i=0;i<wsgi_req->var_cnt;i++) {
+		// no need to free the putenv() memory
+		if (putenv(uwsgi_concat3n(wsgi_req->hvec[i].iov_base, wsgi_req->hvec[i].iov_len, "=", 1, wsgi_req->hvec[i+1].iov_base, wsgi_req->hvec[i+1].iov_len))) {
+			uwsgi_error("putenv()");
+		}
+		i++;
+	}
+
+	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));
+
+	argv[0] = full_path;
+	argv[1] = NULL;
+	if (execv(argv[0], argv)) {
+		uwsgi_error("execv()");
+	}
+
+	// never here
+	exit(1);
+
+	return 0;
+}
+
+
+void uwsgi_cgi_after_request(struct wsgi_request *wsgi_req) {
+
+	if (uwsgi.shared->options[UWSGI_OPTION_LOGGING])
+		log_request(wsgi_req);
+}
+
+int uwsgi_cgi_manage_options(int i, char *optarg) {
+
+        switch(i) {
+                case LONG_ARGS_CGI:
+                        cgi_docroot = optarg;
+                        return 1;
+        }
+
+        return 0;
+}
+
+
+struct uwsgi_plugin cgi_plugin = {
+
+	.name = "cgi",
+	.modifier1 = 9,
+	.init = uwsgi_cgi_init,
+	.options = uwsgi_cgi_options,
+	.manage_opt = uwsgi_cgi_manage_options,
+	.request = uwsgi_cgi_request,
+	.after_request = uwsgi_cgi_after_request,
+
+};

plugins/cgi/uwsgiplugin.py

@@ -0,0 +1,5 @@
+NAME='cgi'
+CFLAGS = []
+LDFLAGS = []
+LIBS = []
+GCC_LIST = ['cgi_plugin']

plugins/echo/echo_plugin.c

@@ -0,0 +1,19 @@
+#include "../../uwsgi.h"
+
+extern struct uwsgi_server uwsgi;
+
+
+int uwsgi_echo_request(struct wsgi_request *wsgi_req) {
+
+	wsgi_req->response_size = write(wsgi_req->poll.fd, wsgi_req->buffer, wsgi_req->uh.pktsize);
+	
+	return 0;
+}
+
+struct uwsgi_plugin echo_plugin = {
+
+	.name = "echo",
+	.modifier1 = 101,
+	
+	.request = uwsgi_echo_request,
+};

plugins/echo/uwsgiplugin.py

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

plugins/erlang/erlang.c

@@ -0,0 +1,435 @@
+#include "../../uwsgi.h"
+#include "erlang.h"
+
+extern struct uwsgi_server uwsgi;
+struct uwsgi_erlang uerl;
+
+struct option erlang_options[] = {
+	{"erlang", required_argument, 0, LONG_ARGS_ERLANG},
+        {"erlang-cookie", required_argument, 0, LONG_ARGS_ERLANG_COOKIE},
+	{0, 0, 0, 0},
+};
+
+
+void dump_eterm(ei_x_buff *x) {
+
+	int etype, esize, arity;
+	long long num;
+	char *atom;
+	int i;
+	char *binary;
+	long bin_size;
+	double fnum;
+
+	ei_get_type(x->buff, &x->index, &etype, &esize);
+        uwsgi_log("etype: %d/%c esize: %d\n", etype, etype, esize);
+
+	switch(etype) {
+		case ERL_SMALL_INTEGER_EXT:		
+		case ERL_INTEGER_EXT:
+		case ERL_SMALL_BIG_EXT:
+		case ERL_LARGE_BIG_EXT:
+			ei_decode_longlong(x->buff, &x->index, &num);
+			uwsgi_log("num: %lu\n", num);
+			break;
+		case ERL_FLOAT_EXT:
+			ei_decode_double(x->buff, &x->index, &fnum);
+			uwsgi_log("float: %f\n", fnum);
+			break;
+		case ERL_STRING_EXT:
+			atom = uwsgi_malloc(esize+1);
+			ei_decode_string(x->buff, &x->index, atom);
+			uwsgi_log("string: %s\n", atom);
+			free(atom);
+			break;
+		case ERL_ATOM_EXT:
+			atom = uwsgi_malloc(esize+1);
+			ei_decode_atom(x->buff, &x->index, atom);
+			uwsgi_log("atom: %s\n", atom);
+			free(atom);
+			break;
+		case ERL_SMALL_TUPLE_EXT:
+		case ERL_LARGE_TUPLE_EXT:
+			ei_decode_tuple_header(x->buff, &x->index, &arity);
+			for(i=0;i<arity;i++) {
+				dump_eterm(x);
+			}
+			break;
+		case ERL_LIST_EXT:
+		case ERL_NIL_EXT:
+			ei_decode_list_header(x->buff, &x->index, &arity);
+			if (arity == 0) {
+				uwsgi_log("nil value\n");
+				break;
+			}
+                        for(i=0;i<arity+1;i++) {
+                                dump_eterm(x);
+                        }
+                        break;
+		case ERL_BINARY_EXT:
+			binary = uwsgi_malloc(esize);
+			ei_decode_binary(x->buff, &x->index, binary, &bin_size);
+			uwsgi_log("binary data of %d bytes\n", bin_size);
+			free(binary);
+			break;
+		default:
+			uwsgi_log("ignored...\n");
+			ei_skip_term(x->buff, &x->index);
+			break;
+			
+			
+			
+	}
+	
+	
+}
+
+void uwsgi_erlang_rpc(int fd, erlang_pid *from, ei_x_buff *x) {
+
+	int etype, esize;
+	int arity;
+
+	char *gen_call;
+	char *module;
+	char *call;
+	char buffer[0xffff];
+
+	char *argv[0xff] ;
+	int argc;
+	uint16_t ret;
+	ei_x_buff xr;
+
+	erlang_ref eref;
+
+	ei_get_type(x->buff, &x->index, &etype, &esize);
+
+	uwsgi_log("%d %c %c %c\n", etype, etype, ERL_SMALL_TUPLE_EXT, ERL_LARGE_TUPLE_EXT);
+	if (etype != ERL_SMALL_TUPLE_EXT && etype != ERL_LARGE_TUPLE_EXT) return;
+
+	uwsgi_log("decode tuple\n");
+	ei_decode_tuple_header(x->buff, &x->index, &arity);
+
+	uwsgi_log("rpc arity %d\n", arity);
+	if (arity != 3) return ;
+
+	ei_get_type(x->buff, &x->index, &etype, &esize);
+
+	uwsgi_log("%d %c\n", etype, etype);
+
+	if (etype != ERL_ATOM_EXT && etype != ERL_STRING_EXT) return ;
+
+	gen_call = uwsgi_malloc(esize);
+
+	if (etype == ERL_ATOM_EXT) {
+                ei_decode_atom(x->buff, &x->index, gen_call);
+        }
+        else {
+                ei_decode_string(x->buff, &x->index, gen_call);
+        }
+
+	uwsgi_log("gen call = %s\n", gen_call);
+
+	ei_get_type(x->buff, &x->index, &etype, &esize);
+	
+	if (etype != ERL_SMALL_TUPLE_EXT) return ;
+
+	ei_decode_tuple_header(x->buff, &x->index, &arity);
+	if (arity != 2) return ;
+
+	ei_get_type(x->buff, &x->index, &etype, &esize);
+	ei_skip_term(x->buff, &x->index);
+	uwsgi_log("skip0 %d %c\n", etype, etype);
+	ei_get_type(x->buff, &x->index, &etype, &esize);
+	uwsgi_log("skip1 %d %c\n", etype, etype);
+	ei_decode_ref(x->buff, &x->index, &eref);
+
+	ei_get_type(x->buff, &x->index, &etype, &esize);
+	uwsgi_log("%d %c\n", etype, etype);
+
+	module = uwsgi_malloc(esize);
+
+	if (etype == ERL_ATOM_EXT) {
+		ei_decode_atom(x->buff, &x->index, module);
+	}
+	else {
+		ei_decode_string(x->buff, &x->index, module);
+	}
+
+	ei_get_type(x->buff, &x->index, &etype, &esize);
+
+	uwsgi_log("%d %c\n", etype, etype);
+
+	if (etype != ERL_SMALL_TUPLE_EXT) return ;
+
+	ei_decode_tuple_header(x->buff, &x->index, &arity);
+
+	uwsgi_log("arity: %d\n", arity);
+	if (arity != 5) return ;
+
+	ei_get_type(x->buff, &x->index, &etype, &esize);
+        uwsgi_log("%d %c\n", etype, etype);
+
+        char *method = uwsgi_malloc(esize);
+
+        if (etype == ERL_ATOM_EXT) {
+                ei_decode_atom(x->buff, &x->index, method);
+        }
+        else {
+                ei_decode_string(x->buff, &x->index, method);
+        }
+
+        if (strcmp(method, "call")) return;
+
+        ei_get_type(x->buff, &x->index, &etype, &esize);
+        uwsgi_log("%d %c\n", etype, etype);
+
+	if (etype != ERL_ATOM_EXT && etype != ERL_STRING_EXT) return ;
+
+	module = uwsgi_malloc(esize);
+
+	if (etype == ERL_ATOM_EXT) {
+		ei_decode_atom(x->buff, &x->index, module);
+	}
+	else {
+		ei_decode_string(x->buff, &x->index, module);
+	}
+
+	ei_get_type(x->buff, &x->index, &etype, &esize);
+
+	if (etype != ERL_ATOM_EXT && etype != ERL_STRING_EXT) return ;
+
+	call = uwsgi_malloc(esize);
+
+	if (etype == ERL_ATOM_EXT) {
+		ei_decode_atom(x->buff, &x->index, call);
+	}
+	else {
+		ei_decode_string(x->buff, &x->index, call);
+	}
+
+	uwsgi_log("RPC %s %s\n", module, call);
+
+	ei_get_type(x->buff, &x->index, &etype, &esize);
+
+	if (etype == ERL_ATOM_EXT) {
+		argc = 1;
+		argv[0] = uwsgi_malloc(esize+1);
+		ei_decode_atom(x->buff, &x->index, argv[0]);	
+	}
+	else if (etype == ERL_STRING_EXT) {
+		argc = 1;
+		argv[0] = uwsgi_malloc(esize+1);
+		ei_decode_string(x->buff, &x->index, argv[0]);	
+	}
+
+	ret = uwsgi_rpc(call, argc, argv, buffer);
+
+	uwsgi_log("buffer: %.*s\n", ret, buffer);
+
+	ei_x_new_with_version(&xr);
+
+	ei_x_encode_tuple_header(&xr, 2);
+	//ei_x_encode_atom(&xr, "rex");
+	ei_x_encode_ref(&xr, &eref);
+	ei_x_encode_string_len(&xr, buffer, ret);
+
+	uwsgi_log("ei_send to %d %s %d %d %d: %d %d\n", fd, from->node, from->num , from->serial, from->creation, xr.index, ei_send(fd, from, xr.buff, xr.index));
+	//uwsgi_log("ei_send to %d %s %d %d %d: %d %d\n", fd, from->node, from->num , from->serial, from->creation, xr.index, ei_reg_send(&uerl.cnode, fd, "rex", xr.buff, xr.index));
+	
+	
+}
+
+void erlang_loop() {
+
+	ErlConnect econn;
+	//ErlMessage em;
+	erlang_msg em;
+	int fd;
+
+	int eversion;
+
+	ei_x_buff x, xr;
+
+	ei_x_new(&x); 
+	ei_x_new(&xr); 
+
+	
+	/*
+	int fd0 = ei_connect(&uerl.cnode, "anothernode@maverick64");
+	uwsgi_log("fd0: %d\n", fd0);
+
+	ei_x_encode_list_header(&x, 0);
+
+	ei_rpc_to(&uerl.cnode, fd0, "erlang", "node", x.buff, x.index);
+
+	ei_rpc_from(&uerl.cnode, fd0, 10000, &em, &xr);
+
+	uwsgi_log("From: %s To: %s RegName: %s\n", em.from.node, em.to.node, em.toname);
+
+	xr.index = 0;
+	ei_decode_version(xr.buff, &xr.index, &eversion);
+        uwsgi_log("eversion: %d\n", eversion);
+
+	dump_eterm(&xr);	
+	*/
+
+	for(;;) {
+
+		fd = ei_accept(&uerl.cnode, uerl.fd, &econn);
+
+		if (fd >= 0) {
+
+			for (;;) {
+				if (ei_xreceive_msg(fd, &em, &x) == ERL_MSG) {
+
+					if (em.msgtype == ERL_TICK)
+						continue;
+
+					uwsgi_log("From: %s To: %s RegName: %s\n", em.from.node, em.to.node, em.toname);
+
+
+					
+					x.index = 0;
+					ei_decode_version(x.buff, &x.index, &eversion);
+					uwsgi_log("eversion: %d\n", eversion);
+
+					if (!strcmp(em.toname, "rex")) {
+						uwsgi_erlang_rpc(fd, &em.from, &x);
+					}
+					else {
+						dump_eterm(&x);
+					}
+					
+					
+
+/*
+
+					if (em.msgtype) {
+						dump_erl_obj(em.msg);
+						erl_free_compound(em.msg);
+					}
+					if (em.to) {
+						uwsgi_log("*** TO ***\n");
+						dump_erl_obj(em.to);
+						erl_free_compound(em.to);
+					}
+
+					if (em.from) {
+						uwsgi_log("*** FROM ***\n");
+						dump_erl_obj(em.from);
+						erl_free_compound(em.from);
+					}
+*/
+
+				}
+				else {
+					break;
+				}
+			}
+
+			close(fd);
+
+		}
+	}
+}
+
+int erlang_init() {
+
+	char *host;
+	struct sockaddr_in sin;
+	socklen_t slen = sizeof(struct sockaddr_in);
+	char *ip = NULL;
+	char *nodename;
+	struct in_addr addr;
+
+	uerl.lock = uwsgi_mmap_shared_lock();
+        uwsgi_lock_init(uerl.lock);
+
+        if (uerl.name) {
+
+		uwsgi.master_process = 1;
+
+		host = strchr(uerl.name, '@');
+
+		if (!host) {
+			if (ei_connect_init(&uerl.cnode, uerl.name, uerl.cookie, 0) < 0) {
+				uwsgi_log("unable to initialize erlang connection\n");
+				exit(1);
+			}
+		}
+		else {
+			nodename = uwsgi_concat2n(uerl.name, host-uerl.name, "",0);
+			ip = uwsgi_resolve_ip(host+1);
+			if (ip) {
+#ifdef UWSGI_DEBUG
+				uwsgi_log("ip: %s\n", ip);
+#endif
+				addr.s_addr = inet_addr(ip);
+				if (ei_connect_xinit(&uerl.cnode, host+1, nodename, uerl.name, &addr, uerl.cookie, 0) < 0) {
+					uwsgi_log("unable to initialize erlang connection\n");
+					exit(1);
+				}
+			}
+			else {
+				if (ei_connect_init(&uerl.cnode, nodename, uerl.cookie, 0) < 0) {
+					uwsgi_log("unable to initialize erlang connection\n");
+					exit(1);
+				}
+			}
+			free(nodename);
+		}
+
+		if (ip) {
+			uerl.fd = bind_to_tcp(ip, uwsgi.listen_queue, NULL);
+		}
+		else {
+			uerl.fd = bind_to_tcp("", uwsgi.listen_queue, NULL);
+		}
+
+		if (uerl.fd < 0) {
+			exit(1);
+		}
+
+        	if (getsockname(uerl.fd, (struct sockaddr *) &sin, &slen)) {
+                	uwsgi_error("getsockname()");
+			exit(1);
+        	}
+
+		if (ei_publish(&uerl.cnode, ntohs(sin.sin_port)) < 0) {
+                	uwsgi_log( "*** unable to subscribe with EPMD ***\n");
+			exit(1);
+		}
+
+		uwsgi_log("Erlang C-Node %s registered on port %d\n", ei_thisnodename(&uerl.cnode), ntohs(sin.sin_port));
+
+	
+                if (register_fat_gateway("erlang", erlang_loop) == NULL) {
+                        uwsgi_log("unable to register the erlang gateway\n");
+                        exit(1);
+                }
+        }
+
+        return 0;
+}
+
+int erlang_opt(int i, char *optarg) {
+
+        switch(i) {
+                case LONG_ARGS_ERLANG:
+                        uerl.name = optarg;
+                        return 1;
+                case LONG_ARGS_ERLANG_COOKIE:
+			uerl.cookie = optarg;
+                        return 1;
+        }
+        return 0;
+}
+
+
+struct uwsgi_plugin erlang_plugin = {
+
+        .options = erlang_options,
+        .manage_opt = erlang_opt,
+        .init = erlang_init,
+};
+

plugins/erlang/erlang.h

@@ -0,0 +1,18 @@
+#include <ei.h>
+
+#define LONG_ARGS_ERLANG                17012
+#define LONG_ARGS_ERLANG_COOKIE         17013
+
+
+struct uwsgi_erlang {
+
+        ei_cnode cnode;
+        char *name;
+        char *cookie;
+
+        int fd;
+
+	void *lock;
+};
+
+