support for multiple tuntap devices

allow setting cheaper rss memory limits

.gitignore

@@ -0,0 +1,13 @@
+*.o
+*.py[co]
+*.class
+*.jar
+*~
+*.so
+
+/uwsgi
+/uwsgibuild.*
+
+/t/ring/target
+
+core/dot_h.c

.travis.yml

@@ -0,0 +1,44 @@
+language: c
+
+compiler:
+  - gcc
+  - clang
+
+script:
+  - echo -e "\n\n>>> Building uWSGI binary"
+  - /usr/bin/python uwsgiconfig.py --build travis
+  - echo -e "\n\n>>> Building python26 plugin"
+  - /usr/bin/python2.6 -V
+  - /usr/bin/python2.6 uwsgiconfig.py --plugin plugins/python base python26
+  - echo -e "\n\n>>> Building python27 plugin"
+  - /usr/bin/python2.7 -V
+  - /usr/bin/python2.7 uwsgiconfig.py --plugin plugins/python base python27
+  - echo -e "\n\n>>> Building python31 plugin"
+  - /usr/bin/python3.1 -V
+  - /usr/bin/python3.1 uwsgiconfig.py --plugin plugins/python base python31
+  - echo -e "\n\n>>> Building python32 plugin"
+  - /usr/bin/python3.2 -V
+  - /usr/bin/python3.2 uwsgiconfig.py --plugin plugins/python base python32
+  - echo -e "\n\n>>> Building python33 plugin"
+  - /usr/bin/python3.3 -V
+  - /usr/bin/python3.3 uwsgiconfig.py --plugin plugins/python base python33
+  - echo -e "\n\n>>> Building rack 1.8.7 plugin"
+  - /usr/bin/ruby1.8 -v
+  - UWSGICONFIG_RUBYPATH=/usr/bin/ruby1.8 /usr/bin/python uwsgiconfig.py --plugin plugins/rack base rack187
+  - echo -e "\n\n>>> Building rack 1.9.1 plugin"
+  - /usr/bin/ruby1.9.1 -v
+  - UWSGICONFIG_RUBYPATH=/usr/bin/ruby1.9.1 /usr/bin/python uwsgiconfig.py --plugin plugins/rack base rack191
+  - echo -e "\n\n>>> Building cgi plugin"
+  - /usr/bin/python uwsgiconfig.py --plugin plugins/cgi base
+  - echo -e "\n\n>>> Building dummy plugin"
+  - /usr/bin/python uwsgiconfig.py --plugin plugins/dummy base
+  - echo -e "\n\n>>> Building done, starting tests"
+  - ./tests/travis.sh
+
+before_install:
+  - sudo add-apt-repository -y ppa:fkrull/deadsnakes
+  - sudo apt-get update -qq
+  - sudo apt-get install -qqyf python2.6-dev python2.7-dev python3.1-dev python3.2-dev python3.3-dev rubygems1.8 ruby1.8-dev ruby1.9.1-dev
+  - sudo apt-get install -qqyf libxml2-dev libpcre3-dev libcap2-dev
+  - sudo apt-get install -qqyf curl
+

CONTRIBUTORS

@@ -0,0 +1,27 @@
+- this is a incomplete list of all the contributors of the project -
+
+Roberto De Ioris, Unbit, <roberto@unbit.it>
+Riccardo Magliocchetti, Unbit, <riccardo@unbit.it>
+Yann Malet, Lincoln Loop
+Simon Litchfield
+Masahiro Honma, <hiratara@cpan.org>
+Łukasz Wróblewski <admin@nri.pl>
+Giacomo Bagnoli, Asidev
+Guido Notari, Link I.T. S.p.a.
+Marco Beri, Link I.T. S.p.a.
+Leonid Borisenko
+Cal Leeming, Simplicity Media Ltd
+Luigi Scarso
+Corey Farwell
+Charles Duffy
+Lukas Lalinsky
+Steven Fernandez
+Łukasz Mierzwa
+Roy Marples
+Aarni Koskela
+C Anthony Risinger
+Stephen Pierce
+Mingli Yuan
+Natanael Copa
+Roberto Leandrini
+Ryan Petrello

ChangeLog

@@ -1,22 +0,0 @@
-*** 20091129 Version 0.9.3 ***
-
-- Nginx 0.7.x module
-- configuration via python module
-- support (non-standard) for Python 3.x
-- Twisted client resource adapter
-- graceful restart of worker processes and hot-plug substitution/upgrade of the uWSGI server
-- shared memory area to share data between workers/processes
-- Tomcat handler
-- support for virtualenv
-- tons of bugfixes and optimizations
-
-*** 20090829 Version 0.9.2 ***
-
-- TCP support
-- configurable internal timeout (socket/poll)
-- Cherokee handler
-- code refactoring
-- Makefiles
-- customizable harakiri handler (put an harakiri(environ, start_response) function in your wsgi script)
-- limit requests per worker
-- a lot of bugfix and optimizations

Makefile

@@ -1,13 +1,8 @@
-CC=gcc
+all:
+	python uwsgiconfig.py --build
 
-PYTHON_CFLAGS=`python2.5-config --cflags`
-PYTHON_LIBS=`python2.5-config --libs`
-XML_CFLAGS=`xml2-config --cflags`
-XML_LIBS=`xml2-config --libs`
+clean:
+	python uwsgiconfig.py --clean
 
-CFLAGS=$(PYTHON_CFLAGS) $(XML_CFLAGS)
-LD_FLAGS=$(PYTHON_LIBS) $(XML_LIBS)
-
-PROGRAM=uwsgi
-
-include base.mk
+check:
+	python uwsgiconfig.py --check

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.Py26

@@ -1,13 +0,0 @@
-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

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

README

@@ -1,3 +1,3 @@
 surprise i am empty !
 
-Look in the online documentation on http://projects.unbit.it/uwsgi/
+Look in the online documentation on https://uwsgi-docs.readthedocs.org/en/latest/

apache2/mod_Ruwsgi.c

@@ -0,0 +1,950 @@
+/*
+
+ *** 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;
+}
+
+
+#if AP_MODULE_MAGIC_AT_LEAST(20111130,0)
+static void log_err(const char *file, int line, int ami, request_rec *r,
+		apr_status_t status, const char *msg)
+{
+	ap_log_rerror(file, line, APLOG_MODULE_INDEX, APLOG_ERR, status, r, "uwsgi: %s", msg);
+#else
+static void log_err(const char *file, int line, request_rec *r,
+                apr_status_t status, const char *msg)
+{
+
+	ap_log_rerror(file, line, APLOG_ERR, status, r, "uwsgi: %s", msg);
+#endif
+}
+
+#if AP_MODULE_MAGIC_AT_LEAST(20111130,0)
+static void log_debug(const char *file, int line, int ami, request_rec *r, const
+		char *msg)
+{
+	/*
+	   ap_log_rerror(file, line, APLOG_DEBUG, APR_SUCCESS, r, msg);
+	   ap_log_rerror(file, line, APLOG_WARNING, APR_SUCCESS, r, "uwsgi: %s", msg);
+	   */
+	ap_log_rerror(file, line, APLOG_MODULE_INDEX, APLOG_DEBUG, APR_SUCCESS, r, "uwsgi: %s", msg);
+#else
+static void log_debug(const char *file, int line, request_rec *r, const
+		char *msg) {
+	ap_log_rerror(file, line, APLOG_DEBUG, APR_SUCCESS, r, "uwsgi: %s", msg);
+#endif
+}
+
+/* buffered socket implementation (buckets are overkill) */
+
+#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;
+#if AP_MODULE_MAGIC_AT_LEAST(20111130,0)
+	GET_PORT(port, r->useragent_addr);
+#else
+	GET_PORT(port, r->connection->remote_addr);
+#endif
+	uwsgi_cfg *cfg = our_dconfig(r);
+
+	log_debug(APLOG_MARK,r, "sending headers");
+	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 : "");
+#if AP_MODULE_MAGIC_AT_LEAST(20111130,0)
+	add_header(t, "SERVER_SOFTWARE", ap_get_server_description());
+#else
+	add_header(t, "SERVER_SOFTWARE", ap_get_server_version());
+#endif
+	add_header(t, "SERVER_ADMIN", r->server->server_admin);
+	add_header(t, "SERVER_NAME", (char *) ap_get_server_name(r));
+	add_header(t, "SERVER_PORT", apr_psprintf(r->pool, "%u",ap_get_server_port(r)));
+	add_header(t, "SERVER_ADDR", r->connection->local_ip);
+	add_header(t, "SERVER_PROTOCOL", r->protocol);
+
+	add_header(t, "REQUEST_URI", original_uri(r));
+#if AP_MODULE_MAGIC_AT_LEAST(20111130,0)
+	add_header(t, "REMOTE_ADDR", r->useragent_ip);
+#else
+	add_header(t, "REMOTE_ADDR", r->connection->remote_ip);
+#endif
+	add_header(t, "REMOTE_PORT", apr_psprintf(r->pool, "%d", port));
+	add_header(t, "REMOTE_USER", r->user);
+	add_header(t, "DOCUMENT_ROOT", (char *) ap_document_root(r));
+
+	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_proxy_uwsgi.c

@@ -0,0 +1,464 @@
+/*
+        
+*** mod_proxy_uwsgi ***
+
+Copyright 2009-2013 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.
+
+
+To build:
+
+apxs2 -i -c mod_proxy_uwsgi.c
+
+To use:
+
+LoadModule proxy_uwsgi_module /usr/lib/apache2/modules/mod_proxy_uwsgi.so
+ProxyPass / uwsgi://127.0.0.1:3031/
+
+Docs:
+
+http://uwsgi-docs.readthedocs.org/en/latest/Apache.html#mod-proxy-uwsgi
+
+*/
+#define APR_WANT_MEMFUNC
+#define APR_WANT_STRFUNC
+#include "apr_strings.h"
+#include "apr_hooks.h"
+#include "apr_optional_hooks.h"
+#include "apr_buckets.h"
+
+#include "httpd.h"
+#include "http_config.h"
+#include "http_log.h"
+#include "http_protocol.h"
+#include "http_request.h"
+#include "util_script.h"
+
+#include "mod_proxy.h"
+
+
+#define UWSGI_SCHEME "uwsgi"
+#define UWSGI_DEFAULT_PORT 3031
+
+module AP_MODULE_DECLARE_DATA proxy_uwsgi_module;
+
+
+static int uwsgi_canon(request_rec *r, char *url)
+{
+    char *host, sport[sizeof(":65535")];
+    const char *err, *path;
+    apr_port_t port = UWSGI_DEFAULT_PORT;
+
+    if (strncasecmp(url, UWSGI_SCHEME "://", sizeof(UWSGI_SCHEME) + 2)) {
+        return DECLINED;
+    }
+    url += sizeof(UWSGI_SCHEME); /* Keep slashes */
+
+    err = ap_proxy_canon_netloc(r->pool, &url, NULL, NULL, &host, &port);
+    if (err) {
+        ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
+                      "error parsing URL %s: %s", url, err);
+        return HTTP_BAD_REQUEST;
+    }
+
+    apr_snprintf(sport, sizeof(sport), ":%u", port);
+
+    if (ap_strchr(host, ':')) { /* if literal IPv6 address */
+        host = apr_pstrcat(r->pool, "[", host, "]", NULL);
+    }
+
+    path = ap_proxy_canonenc(r->pool, url, strlen(url), enc_path, 0,
+                             r->proxyreq);
+    if (!path) {
+        return HTTP_BAD_REQUEST;
+    }
+
+    r->filename = apr_pstrcat(r->pool, "proxy:" UWSGI_SCHEME "://", host, sport, "/",
+                              path, NULL);
+
+    return OK;
+}
+
+
+static int uwsgi_send(proxy_conn_rec *conn, const char *buf, apr_size_t length,
+                   request_rec *r)
+{
+    apr_status_t rv;
+    apr_size_t written;
+
+    while (length > 0) {
+        written = length;
+        if ((rv = apr_socket_send(conn->sock, buf, &written)) != APR_SUCCESS) {
+            ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r,
+                          "sending data to %s:%u failed",
+                          conn->hostname, conn->port);
+            return HTTP_SERVICE_UNAVAILABLE;
+        }
+
+        /* count for stats */
+        conn->worker->s->transferred += written;
+        buf += written;
+        length -= written;
+    }
+
+    return OK;
+}
+
+
+/*
+ * Send uwsgi header block
+ */
+static int uwsgi_send_headers(request_rec *r, proxy_conn_rec *conn)
+{
+    char *buf, *ptr;
+
+    const apr_array_header_t *env_table;
+    const apr_table_entry_t *env;
+
+    int j;
+
+    apr_size_t headerlen = 4;
+    uint16_t pktsize, keylen, vallen;
+
+    ap_add_common_vars(r);
+    ap_add_cgi_vars(r);
+
+    // this is not a security problem (in Linux) as uWSGI destroy the env memory area readable in /proc
+    // and generally if you host untrusted apps in your server and allows them to read others uid /proc/<pid>
+    // files you have higher problems...
+    const char *auth = apr_table_get(r->headers_in, "Authorization");
+    if (auth) {
+        apr_table_setn(r->subprocess_env, "HTTP_AUTHORIZATION", auth); 
+    }
+
+    const char *script_name = apr_table_get(r->subprocess_env, "SCRIPT_NAME");
+    const char *path_info = apr_table_get(r->subprocess_env, "PATH_INFO");
+
+    if (script_name && path_info) {
+        if (strcmp(path_info, "/")) {
+            apr_table_set(r->subprocess_env, "SCRIPT_NAME", apr_pstrndup(r->pool, script_name, strlen(script_name)-strlen(path_info)));
+	}
+        else {
+            if (!strcmp(script_name, "/")) {
+                apr_table_set(r->subprocess_env, "SCRIPT_NAME", "");
+            }
+        }
+    }
+
+    env_table = apr_table_elts(r->subprocess_env);
+    env = (apr_table_entry_t *)env_table->elts;
+
+    for (j = 0; j < env_table->nelts; ++j) {
+        headerlen += 2 + strlen(env[j].key) + 2 + strlen(env[j].val) ;
+    }
+
+    ptr = buf = apr_palloc(r->pool, headerlen);
+
+    ptr+=4;
+
+    for (j = 0; j < env_table->nelts; ++j) {
+	keylen = strlen(env[j].key);
+	*ptr++= (uint8_t) (keylen & 0xff);
+	*ptr++= (uint8_t) ((keylen >> 8)  & 0xff);
+	memcpy(ptr, env[j].key, keylen) ; ptr+=keylen;
+
+	vallen = strlen(env[j].val);
+	*ptr++= (uint8_t) (vallen & 0xff);
+	*ptr++= (uint8_t) ((vallen >> 8)  & 0xff);
+	memcpy(ptr, env[j].val, vallen) ; ptr+=vallen;
+    }
+
+    pktsize = headerlen-4;
+
+    buf[0] = 0;
+    buf[1] = (uint8_t) (pktsize & 0xff);
+    buf[2] = (uint8_t) ((pktsize >> 8) & 0xff);
+    buf[3] = 0;
+
+    return uwsgi_send(conn, buf, headerlen, r);
+}
+
+
+static int uwsgi_send_body(request_rec *r, proxy_conn_rec *conn)
+{
+    if (ap_should_client_block(r)) {
+        char *buf = apr_palloc(r->pool, AP_IOBUFSIZE);
+        int status;
+        apr_size_t readlen;
+
+        readlen = ap_get_client_block(r, buf, AP_IOBUFSIZE);
+        while (readlen > 0) {
+            status = uwsgi_send(conn, buf, readlen, r);
+            if (status != OK) {
+                return HTTP_SERVICE_UNAVAILABLE;
+            }
+            readlen = ap_get_client_block(r, buf, AP_IOBUFSIZE);
+        }
+        if (readlen == -1) {
+            ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
+                          "receiving request body failed");
+            return HTTP_INTERNAL_SERVER_ERROR;
+        }
+    }
+
+    return OK;
+}
+
+#if AP_MODULE_MAGIC_AT_LEAST(20111130,0)
+static request_rec *ap_proxy_make_fake_req(conn_rec *c, request_rec *r)
+{
+    apr_pool_t *pool;
+    request_rec *rp;
+
+    apr_pool_create(&pool, c->pool);
+
+    rp = apr_pcalloc(pool, sizeof(*r));
+
+    rp->pool            = pool;
+    rp->status          = HTTP_OK;
+
+    rp->headers_in      = apr_table_make(pool, 50);
+    rp->subprocess_env  = apr_table_make(pool, 50);
+    rp->headers_out     = apr_table_make(pool, 12);
+    rp->err_headers_out = apr_table_make(pool, 5);
+    rp->notes           = apr_table_make(pool, 5);
+
+    rp->server = r->server;
+    rp->log = r->log;
+    rp->proxyreq = r->proxyreq;
+    rp->request_time = r->request_time;
+    rp->connection      = c;
+    rp->output_filters  = c->output_filters;
+    rp->input_filters   = c->input_filters;
+    rp->proto_output_filters  = c->output_filters;
+    rp->proto_input_filters   = c->input_filters;
+    rp->useragent_ip = c->client_ip;
+    rp->useragent_addr = c->client_addr;
+
+    rp->request_config  = ap_create_request_config(pool);
+    proxy_run_create_req(r, rp);
+
+    return rp;
+}
+#endif
+
+
+static int uwsgi_response(request_rec *r, proxy_conn_rec *backend, proxy_server_conf *conf)
+{
+
+	char buffer[HUGE_STRING_LEN];
+	const char *buf;
+	char *value, *end;
+	int len;
+	apr_status_t rc;
+	conn_rec *c = r->connection;
+	apr_off_t readbytes;
+	apr_status_t rv;
+	apr_bucket *e;
+	apr_read_type_e mode = APR_NONBLOCK_READ;
+
+	request_rec *rp = ap_proxy_make_fake_req(backend->connection, r);
+	rp->proxyreq = PROXYREQ_RESPONSE;
+
+	apr_bucket_brigade *bb = apr_brigade_create(r->pool, c->bucket_alloc);
+
+	len = ap_getline(buffer, sizeof(buffer), rp, 1);
+
+	if (len <= 0) {
+		// oops
+		return HTTP_INTERNAL_SERVER_ERROR;
+	}
+
+	backend->worker->s->read += len;
+
+	if (!apr_date_checkmask(buffer, "HTTP/#.# ###*") || len >= sizeof(buffer)-1) {
+		// oops
+		return HTTP_INTERNAL_SERVER_ERROR;
+	}
+
+        char keepchar = buffer[12];
+        buffer[12] = '\0';
+        r->status = atoi(&buffer[9]);
+
+        if (keepchar != '\0') {
+                buffer[12] = keepchar;
+        } else {
+                /* 2616 requires the space in Status-Line; the origin
+                 * server may have sent one but ap_rgetline_core will
+                 * have stripped it. */
+                buffer[12] = ' ';
+                buffer[13] = '\0';
+            }
+        r->status_line = apr_pstrdup(r->pool, &buffer[9]);
+
+		// start parsing headers;
+		while ((len = ap_getline(buffer, sizeof(buffer), rp, 1)) > 0) {
+			value = strchr(buffer, ':');
+			// invalid header skip
+			if (!value) continue;
+			*value = '\0';
+        		++value;
+        		while (apr_isspace(*value)) ++value; 
+        		for (end = &value[strlen(value)-1]; end > value && apr_isspace(*end); --end) *end = '\0';
+			apr_table_add(r->headers_out, buffer, value);
+		}
+
+
+	if ((buf = apr_table_get(r->headers_out, "Content-Type"))) {
+                ap_set_content_type(r, apr_pstrdup(r->pool, buf));
+            }
+	
+	for(;;) {
+		rv = ap_get_brigade(rp->input_filters, bb,
+                                        AP_MODE_READBYTES, mode,
+                                        conf->io_buffer_size);
+		if (APR_STATUS_IS_EAGAIN(rv)
+                        || (rv == APR_SUCCESS && APR_BRIGADE_EMPTY(bb))) {
+			e = apr_bucket_flush_create(c->bucket_alloc);
+			APR_BRIGADE_INSERT_TAIL(bb, e);
+			if (ap_pass_brigade(r->output_filters, bb) || c->aborted) {
+				break;
+			}
+			apr_brigade_cleanup(bb);
+			mode = APR_BLOCK_READ;
+			continue;
+		}
+		else if (rv == APR_EOF) {
+			break;
+		}
+		else if (rv != APR_SUCCESS) {
+			ap_proxy_backend_broke(r, bb);
+			ap_pass_brigade(r->output_filters, bb);
+		}
+
+		mode = APR_NONBLOCK_READ;
+		apr_brigade_length(bb, 0, &readbytes);
+		backend->worker->s->read += readbytes;
+		ap_pass_brigade(r->output_filters, bb);
+		apr_brigade_cleanup(bb);
+	}
+	e = apr_bucket_eos_create(c->bucket_alloc);
+	APR_BRIGADE_INSERT_TAIL(bb, e);
+        ap_pass_brigade(r->output_filters, bb);
+
+	apr_brigade_cleanup(bb);
+
+    return OK;
+}
+
+static int uwsgi_handler(request_rec *r, proxy_worker *worker,
+                        proxy_server_conf *conf, char *url,
+                        const char *proxyname, apr_port_t proxyport)
+{
+    int status;
+    proxy_conn_rec *backend = NULL;
+    apr_pool_t *p = r->pool;
+    apr_uri_t *uri = apr_palloc(r->pool, sizeof(*uri));
+    char server_portstr[32];
+
+    if (strncasecmp(url, UWSGI_SCHEME "://", sizeof(UWSGI_SCHEME) + 2)) {
+        ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r,
+                      "declining URL %s", url);
+        return DECLINED;
+    }
+
+    // ADD PATH_INFO
+#if AP_MODULE_MAGIC_AT_LEAST(20111130,0)
+    size_t w_len = strlen(worker->s->name);
+#else
+    size_t w_len = strlen(worker->name);
+#endif
+    char *u_path_info = r->filename + 6 + w_len;
+    int delta = 0;
+    if (u_path_info[0] != '/') {
+        delta = 1;
+    }
+    int decode_status = ap_unescape_url(url+w_len-delta);
+    if (decode_status) {
+       ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
+                      "unable to decode uri: %s",
+                      url+w_len-delta);
+        return HTTP_INTERNAL_SERVER_ERROR;
+    }
+    apr_table_add(r->subprocess_env, "PATH_INFO", url+w_len-delta);
+
+
+    /* Create space for state information */
+    status = ap_proxy_acquire_connection(UWSGI_SCHEME, &backend, worker,
+                                         r->server);
+    if (status != OK) {
+        goto cleanup;
+    }
+    backend->is_ssl = 0;
+
+    /* Step One: Determine Who To Connect To */
+    status = ap_proxy_determine_connection(p, r, conf, worker, backend,
+                                           uri, &url, proxyname, proxyport,
+                                           server_portstr, sizeof(server_portstr));
+    if (status != OK) {
+        goto cleanup;
+    }
+
+
+    /* Step Two: Make the Connection */
+    if (ap_proxy_connect_backend(UWSGI_SCHEME, backend, worker, r->server)) {
+        ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
+                      "failed to make connection to backend: %s:%u",
+                      backend->hostname, backend->port);
+        status = HTTP_SERVICE_UNAVAILABLE;
+        goto cleanup;
+    }
+
+    /* Step Three: Create conn_rec */
+    if (!backend->connection) {
+	if ((status = ap_proxy_connection_create(UWSGI_SCHEME, backend,
+						r->connection, r->server)) != OK)
+		goto cleanup;
+    }
+
+    /* Step Four: Process the Request */
+    if (   ((status = ap_setup_client_block(r, REQUEST_CHUNKED_ERROR)) != OK)
+        || ((status = uwsgi_send_headers(r, backend)) != OK)
+        || ((status = uwsgi_send_body(r, backend)) != OK)
+        || ((status = uwsgi_response(r, backend, conf)) != OK)) {
+        goto cleanup;
+    }
+
+cleanup:
+    if (backend) {
+        backend->close = 1; /* always close the socket */
+        ap_proxy_release_connection(UWSGI_SCHEME, backend, r->server);
+    }
+    return status;
+}
+
+
+static void register_hooks(apr_pool_t *p)
+{
+    proxy_hook_scheme_handler(uwsgi_handler, NULL, NULL, APR_HOOK_FIRST);
+    proxy_hook_canon_handler(uwsgi_canon, NULL, NULL, APR_HOOK_FIRST);
+}
+
+
+module AP_MODULE_DECLARE_DATA proxy_uwsgi_module = {
+    STANDARD20_MODULE_STUFF,
+    NULL,		/* create per-directory config structure */
+    NULL,		/* merge per-directory config structures */
+    NULL,		/* create per-server config structure */
+    NULL,		/* merge per-server config structures */
+    NULL,		/* command table */
+    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 2009-2013 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:
@@ -37,11 +37,18 @@ LoadModule uwsgi_module <path_of_apache_modules>/mod_uwsgi.so
 
 */
 
+#include <unistd.h>
+#include <ctype.h>
 #include "apr_strings.h"
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
 #include "httpd.h"
 #include "http_core.h"
+#include "http_protocol.h"
 #include "http_config.h"
 #include "http_log.h"
+#include "util_script.h"
 
 #include <sys/socket.h>
 #include <sys/un.h>
@@ -51,7 +58,6 @@ LoadModule uwsgi_module <path_of_apache_modules>/mod_uwsgi.so
 #include <fcntl.h>
 
 
-#define MAX_VARS 64
 #define DEFAULT_SOCK "/tmp/uwsgi.sock"
 
 typedef struct {
@@ -71,25 +77,85 @@ typedef struct {
 	uint8_t modifier1;
 	uint8_t modifier2;
 	char script_name[256];
+	char scheme[9];
 	int cgi_mode ;
+	int max_vars;
+	int empty_remote_user;
 } uwsgi_cfg;
 
 module AP_MODULE_DECLARE_DATA uwsgi_module;
 
-static int uwsgi_add_var(struct iovec *vec, int i, char *key, char *value, uint16_t *pkt_size) {
+#if APR_IS_BIGENDIAN
+static uint16_t uwsgi_swap16(uint16_t x) {
+	return (uint16_t) ((x & 0xff) << 8 | (x & 0xff00) >> 8);
+}
+#endif
 
-	vec[i].iov_base = &vec[i+1].iov_len ;
-	vec[i].iov_len = 2 ;
+static int uwsgi_add_var(struct iovec *vec, int i, request_rec *r, char *key, char *value, uint16_t *pkt_size) {
+
+	uwsgi_cfg *c = ap_get_module_config(r->per_dir_config, &uwsgi_module);
+
+#if APR_IS_BIGENDIAN
+	if (i+6 > c->max_vars) {
+#else
+	if (i+4 > c->max_vars) {
+#endif
+		ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, "uwsgi: max number of uwsgi variables reached. consider increasing it with uWSGImaxVars directive");
+		return i;
+	}
+
+#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) {
@@ -102,6 +168,9 @@ static void *uwsgi_server_config(apr_pool_t *p, server_rec *s) {
 	c->modifier1 = 0 ;
 	c->modifier2 = 0 ;
 	c->cgi_mode = 0 ;
+	c->max_vars = 128;
+	c->script_name[0] = 0;
+	c->empty_remote_user = 1;
 
 	return c;
 }
@@ -116,6 +185,14 @@ static void *uwsgi_dir_config(apr_pool_t *p, char *dir) {
 	c->modifier1 = 0 ;
 	c->modifier2 = 0 ;
 	c->cgi_mode = 0 ;
+	c->max_vars = 128;
+	c->empty_remote_user = 1;
+	c->script_name[0] = 0;
+	if (dir) {
+		if (strcmp(dir, "/")) {
+			strncpy(c->script_name, dir, 255);
+		}
+	}
 
 	return c;
 }
@@ -195,12 +272,14 @@ static int uwsgi_handler(request_rec *r) {
 
 	uwsgi_cfg *c = ap_get_module_config(r->per_dir_config, &uwsgi_module);
 
-	struct iovec uwsgi_vars[(MAX_VARS*4)+1] ;
+	struct iovec *uwsgi_vars;
+
 	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 +290,6 @@ 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 +312,6 @@ 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);
@@ -264,60 +341,62 @@ static int uwsgi_handler(request_rec *r) {
 	}
 
 
+#if APR_IS_BIGENDIAN
+        uwsgi_vars = malloc(sizeof(struct iovec) * (c->max_vars*6)+1);
+#else
+        uwsgi_vars = malloc(sizeof(struct iovec) * (c->max_vars*4)+1);
+#endif
 		
-	vecptr = uwsgi_add_var(uwsgi_vars, vecptr, "REQUEST_METHOD", (char *) r->method, &pkt_size) ;
-	vecptr = uwsgi_add_var(uwsgi_vars, vecptr, "QUERY_STRING", r->args ? r->args : "", &pkt_size) ;
-	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, "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, "DOCUMENT_ROOT", (char *) ap_document_root(r), &pkt_size) ;
+	vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "REQUEST_METHOD", (char *) r->method, &pkt_size) ;
+	vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "QUERY_STRING", r->args ? r->args : "", &pkt_size) ;
+	vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "SERVER_NAME", (char *) ap_get_server_name(r), &pkt_size) ;
+	vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "SERVER_PORT", apr_psprintf(r->pool, "%u",ap_get_server_port(r)), &pkt_size) ;
+	vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "SERVER_PROTOCOL", r->protocol, &pkt_size) ;
+	vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "REQUEST_URI", r->unparsed_uri, &pkt_size) ;
+#if AP_MODULE_MAGIC_AT_LEAST(20111130,0)
+	vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "REMOTE_ADDR", r->useragent_ip, &pkt_size) ;
+#else
+	vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "REMOTE_ADDR", r->connection->remote_ip, &pkt_size) ;
+#endif
 
-	if (c->script_name[0] == '/') {
-		if (c->script_name[1] == 0) {
-			vecptr = uwsgi_add_var(uwsgi_vars, vecptr, "SCRIPT_NAME", "", &pkt_size) ;
-			vecptr = uwsgi_add_var(uwsgi_vars, vecptr, "PATH_INFO", r->uri, &pkt_size) ;
-		}
-		else {
-			vecptr = uwsgi_add_var(uwsgi_vars, vecptr, "SCRIPT_NAME", c->script_name, &pkt_size) ;
-			vecptr = uwsgi_add_var(uwsgi_vars, vecptr, "PATH_INFO", r->uri+strlen(c->script_name), &pkt_size) ;
-		}
+	// 
+	if (r->user) {
+		vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "REMOTE_USER", r->user, &pkt_size) ;
+	}
+	else if (c->empty_remote_user) {
+		vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "REMOTE_USER", "", &pkt_size) ;
+	}
+
+	if (ap_auth_type(r) != NULL) {
+		vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "AUTH_TYPE", (char *) ap_auth_type(r), &pkt_size) ;
+	}
+	vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "DOCUMENT_ROOT", (char *) ap_document_root(r), &pkt_size) ;
+
+	if (c->scheme[0] != 0) {
+		vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "UWSGI_SCHEME", c->scheme, &pkt_size) ;
+	}
+
+	// SCRIPT_NAME = "/" is like SCRIPT_NAME = ""
+	if (c->script_name[0] != 0 && !(c->script_name[0] == '/' && c->script_name[1] == 0)) {
+		vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "SCRIPT_NAME", c->script_name, &pkt_size) ;
+		vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "PATH_INFO", r->uri+strlen(c->script_name), &pkt_size) ;
 	}
 	else {
-		if (r->path_info) {
-			if (strlen(r->path_info) <= 0) {
-				vecptr = uwsgi_add_var(uwsgi_vars, vecptr, "SCRIPT_NAME", "", &pkt_size) ;
-				vecptr = uwsgi_add_var(uwsgi_vars, vecptr, "PATH_INFO", r->uri, &pkt_size) ;
-			}
-			else {
-				vecptr = uwsgi_add_var(uwsgi_vars, vecptr, "SCRIPT_NAME", apr_pstrndup(r->pool, r->uri, (strlen(r->uri) - strlen(r->path_info) )) , &pkt_size) ;
-				vecptr = uwsgi_add_var(uwsgi_vars, vecptr, "PATH_INFO", r->path_info, &pkt_size) ;
-			}
-		}
-		else {
-			vecptr = uwsgi_add_var(uwsgi_vars, vecptr, "SCRIPT_NAME", "", &pkt_size) ;
-			vecptr = uwsgi_add_var(uwsgi_vars, vecptr, "PATH_INFO", r->uri, &pkt_size) ;
-		}
+		vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "SCRIPT_NAME", "", &pkt_size) ;
+		vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "PATH_INFO", r->uri, &pkt_size) ;
 	}
 
+
 	headers = apr_table_elts(r->headers_in);
 	h = (apr_table_entry_t *) headers->elts;
 
-	// check for max vars (a bit ugly)
-	cnt = headers->nelts ;
-	if (cnt + 11 > MAX_VARS) {
-		cnt = MAX_VARS -11;
-	}
-
-	for(i=0;i< cnt;i++) {
+	for(i=0;i< headers->nelts;i++) {
 		if (h[i].key){
 			if (!strcasecmp(h[i].key, "Content-Type")) {
-				vecptr = uwsgi_add_var(uwsgi_vars, vecptr, "CONTENT_TYPE", h[i].val, &pkt_size) ;
+				vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "CONTENT_TYPE", h[i].val, &pkt_size) ;
 			}
 			else if (!strcasecmp(h[i].key, "Content-Length")) {
-				vecptr = uwsgi_add_var(uwsgi_vars, vecptr, "CONTENT_LENGTH", h[i].val, &pkt_size) ;
+				vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, "CONTENT_LENGTH", h[i].val, &pkt_size) ;
 			}
 			else {
 				penv = apr_pstrcat(r->pool, "HTTP_", h[i].key, NULL);
@@ -329,31 +408,47 @@ static int uwsgi_handler(request_rec *r) {
 						*cp = toupper(*cp);
 					}
 				}
-				vecptr = uwsgi_add_var(uwsgi_vars, vecptr, penv, h[i].val, &pkt_size) ;
+				vecptr = uwsgi_add_var(uwsgi_vars, vecptr, r, penv, h[i].val, &pkt_size) ;
 			}
 		}
 	}
+
+	/* 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, r, 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 );
 	if (cnt < 0) {
 		ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, "uwsgi: writev() %s", strerror(errno));
 		close(uwsgi_poll.fd);
+		free(uwsgi_vars);
 		return HTTP_INTERNAL_SERVER_ERROR;
 	}
 	else if (cnt != pkt_size+4) {
 		ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, "uwsgi: writev() returned wrong size");
 		close(uwsgi_poll.fd);
+		free(uwsgi_vars);
 		return HTTP_INTERNAL_SERVER_ERROR;
 	}
 
+
 	
 	if (ap_should_client_block(r)) {
 		while ((cnt = ap_get_client_block(r, buf, 4096)) > 0) {
@@ -361,75 +456,129 @@ static int uwsgi_handler(request_rec *r) {
 			if (cnt < 0) {
 				ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, "uwsgi: read() client block failed !");
 				close(uwsgi_poll.fd);
+				free(uwsgi_vars);
 				return HTTP_INTERNAL_SERVER_ERROR;
 			}
 		}
 	}
 
+
 	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);
+			free(uwsgi_vars);
+			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);
+						free(uwsgi_vars);
+						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);
+						free(uwsgi_vars);
+						return HTTP_INTERNAL_SERVER_ERROR;
+					}
+					if (!c->cgi_mode) {
+						b = apr_bucket_transient_create(buf, cnt, r->connection->bucket_alloc);
+						APR_BRIGADE_INSERT_TAIL(bb, b);
+						b = apr_bucket_flush_create(r->connection->bucket_alloc);
+						APR_BRIGADE_INSERT_TAIL(bb, b);
+						if (ap_pass_brigade(r->output_filters, bb) != APR_SUCCESS) {
+							close(uwsgi_poll.fd);
+							apr_brigade_destroy(bb);
+							free(uwsgi_vars);
+							return HTTP_INTERNAL_SERVER_ERROR;
+						}
+						apr_brigade_cleanup(bb);
+					}
+					else {
+						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);
+			free(uwsgi_vars);
+			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) {
+			free(uwsgi_vars);
 			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);
+			free(uwsgi_vars);
 			return hret;
 		}
 	}
 
-	return ap_pass_brigade(r->output_filters, bb);
+
+	free(uwsgi_vars);
+	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 +595,36 @@ 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_max_vars(cmd_parms *cmd, void *cfg, const char *value) {
+	uwsgi_cfg *c ;
+        int val ;
+
+        if (cfg) {
+                c = cfg ;
+        }
+        else {
+                c = ap_get_module_config(cmd->server->module_config, &uwsgi_module);
+        }
+
+        c->max_vars = atoi(value);
+
+        return NULL;
+}
+
 static const char * cmd_uwsgi_modifier1(cmd_parms *cmd, void *cfg, const char *value) {
 
         uwsgi_cfg *c ;
@@ -480,7 +659,7 @@ static const char * cmd_uwsgi_force_cgi_mode(cmd_parms *cmd, void *cfg, const ch
                 c = ap_get_module_config(cmd->server->module_config, &uwsgi_module);
         }
 
-	if (!strcmp("yes", value) || !strcmp("on", value) || !strcmp("enable", value) || !strcmp("1", value)) {
+	if (!strcmp("yes", value) || !strcmp("on", value) || !strcmp("enable", value) || !strcmp("1", value) || !strcmp("true", value)) {
 		c->cgi_mode = 1 ;
 	}
 
@@ -581,6 +760,28 @@ static const char * cmd_uwsgi_socket(cmd_parms *cmd, void *cfg, const char *path
 	return NULL ;
 }
 
+static const char * cmd_uwsgi_empty_remote_user(cmd_parms *cmd, void *cfg, const char *value) {
+
+	uwsgi_cfg *c ;
+
+	if (cfg) {
+		c = cfg ;
+	}
+	else {
+		c = ap_get_module_config(cmd->server->module_config, &uwsgi_module);
+	}
+
+	if (!strcmp("yes", value) || !strcmp("on", value) || !strcmp("enable", value) || !strcmp("1", value) || !strcmp("true", value)) {
+		c->empty_remote_user = 1;
+	}
+	else {
+		c->empty_remote_user = 0;
+	}
+
+	return NULL ;
+
+}
+
 static const command_rec uwsgi_cmds[] = {
 	AP_INIT_TAKE12("uWSGIsocket", cmd_uwsgi_socket, NULL, RSRC_CONF|ACCESS_CONF, "Absolute path and optional timeout in seconds of uwsgi server socket"),	
 	AP_INIT_TAKE1("uWSGIsocket2", cmd_uwsgi_socket2, NULL, RSRC_CONF|ACCESS_CONF, "Absolute path of failover uwsgi server socket"),	
@@ -588,6 +789,9 @@ 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\")"),	
+	AP_INIT_TAKE1("uWSGIemptyRemoteUser", cmd_uwsgi_empty_remote_user, NULL, ACCESS_CONF, "Always include REMOTE_USER in the environment, even with an empty value (default true)"),
+	AP_INIT_TAKE1("uWSGImaxVars", cmd_uwsgi_max_vars, NULL, ACCESS_CONF, "Set the maximum allowed number of uwsgi variables (default 128)"),	
 	{NULL}
 };
 

attach.py

@@ -0,0 +1,13 @@
+import struct
+import sys
+import os
+
+filename = sys.argv[1]
+
+size = os.path.getsize(filename)
+
+f = open(filename, 'r')
+print(f.read())
+f.close()
+
+print(struct.pack("<Q", size))

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

bin/uwsgi

@@ -0,0 +1,4 @@
+#!/usr/bin/env ruby
+cmd = File.expand_path "#{File.dirname(__FILE__)}/../ext/uwsgi/uwsgi.ruby"
+
+exec(cmd, *ARGV)

buildconf/all.ini

@@ -0,0 +1,3 @@
+[uwsgi]
+main_plugin = python,gevent,psgi,lua,php,rack,jvm,jwsgi,ring,mono,transformation_toupper,coroae,v8,cgi,xslt,webdav,ssi,ldap
+inherit = base

buildconf/base.ini

@@ -0,0 +1,33 @@
+[uwsgi]
+xml = auto
+yaml = true
+json = auto
+zeromq = auto
+ssl = auto
+pcre = auto
+routing = auto
+matheval = auto
+debug = false
+unbit = false
+xml_implementation = libxml2
+yaml_implementation = auto
+malloc_implementation = libc
+extras =
+plugins =
+bin_name = uwsgi
+append_version =
+plugin_dir = .
+embedded_plugins = %(main_plugin)s, ping, cache, nagios, rrdtool, carbon, rpc, corerouter, fastrouter, http, ugreen, signal, syslog, rsyslog, logsocket, router_uwsgi, router_redirect, router_basicauth, zergpool, redislog, mongodblog, router_rewrite, router_http, logfile, router_cache, rawrouter, router_static, sslrouter, spooler, cheaper_busyness, symcall, transformation_tofile, transformation_gzip, transformation_chunked, transformation_offload, router_memcached, router_redis, router_hash, router_expires
+as_shared_library = false
+
+locking = auto
+event = auto
+timer = auto
+filemonitor = auto
+
+blacklist =
+whitelist =
+
+embed_files =
+
+embed_config =

buildconf/cgi.ini

@@ -0,0 +1,3 @@
+[uwsgi]
+main_plugin = cgi
+inherit = base

buildconf/core.ini

@@ -0,0 +1,4 @@
+[uwsgi]
+main_plugin =
+inherit = base
+embedded_plugins = null

buildconf/coroae.ini

@@ -0,0 +1,3 @@
+[uwsgi]
+main_plugin = psgi,coroae
+inherit = base

buildconf/coverity.ini

@@ -0,0 +1,4 @@
+[uwsgi]
+# pypy,jvm,ring,jwsgi
+main_plugin = erlang,psgi,rack,lua,python,gevent,php,cgi,mono,pyerl,go
+inherit = base

buildconf/default.ini

@@ -0,0 +1,4 @@
+[uwsgi]
+main_plugin = python,gevent
+inherit = base
+debug = false

buildconf/django.ini

@@ -0,0 +1,4 @@
+[uwsgi]
+main_plugin = python
+inherit = base
+embed_files = bootstrap3.py,django.zip,djapp.zip

buildconf/embedded.ini

@@ -0,0 +1,5 @@
+[uwsgi]
+main_plugin = python
+inherit = base
+
+embed_files = embedme.py,uwsgidecorators.py

buildconf/erlang.ini

@@ -0,0 +1,3 @@
+[uwsgi]
+main_plugin = erlang
+inherit = base

buildconf/gevent.ini

@@ -0,0 +1,3 @@
+[uwsgi]
+main_plugin = python,gevent
+inherit = base

buildconf/glusterfs.ini

@@ -0,0 +1,4 @@
+[uwsgi]
+main_plugin = glusterfs
+inherit = base
+matheval = false

buildconf/go.ini

@@ -0,0 +1,5 @@
+[uwsgi]
+main_plugin = go
+inherit = base
+bin_name = libuwsgi.so
+as_shared_library = true

buildconf/gridfs.ini

@@ -0,0 +1,3 @@
+[uwsgi]
+main_plugin = gridfs
+inherit = base

buildconf/jwsgi.ini

@@ -0,0 +1,3 @@
+[uwsgi]
+main_plugin = jvm,jwsgi
+inherit = base

buildconf/lib.ini

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

buildconf/lua.ini

@@ -0,0 +1,3 @@
+[uwsgi]
+main_plugin = lua
+inherit = base

buildconf/luap.ini

@@ -0,0 +1,4 @@
+[uwsgi]
+main_plugin = 
+inherit = base
+plugins = lua

buildconf/modular.ini

@@ -0,0 +1,5 @@
+[uwsgi]
+inherit = base
+plugins = python, ping, rack, psgi, cache, http, fastrouter
+plugin_dir = plugins
+embedded_plugins = null

buildconf/mono.ini

@@ -0,0 +1,3 @@
+[uwsgi]
+main_plugin = mono
+inherit = base

buildconf/nolang.ini

@@ -0,0 +1,3 @@
+[uwsgi]
+main_plugin =
+inherit = base

buildconf/package.ini

@@ -0,0 +1,4 @@
+[uwsgi]
+inherit = base
+plugin_dir = /usr/lib/uwsgi
+embedded_plugins =

buildconf/php.ini

@@ -0,0 +1,3 @@
+[uwsgi]
+main_plugin = php
+inherit = base

buildconf/ppa.ini

@@ -0,0 +1,32 @@
+[uwsgi]
+xml = true
+yaml = true
+json = true
+zeromq = true
+ssl = true
+pcre = true
+routing = true
+debug = false
+unbit = false
+xml_implementation = libxml2
+yaml_implementation = libyaml
+malloc_implementation = libc
+extras =
+plugins =
+bin_name = /usr/lib/libuwsgi.so
+append_version = ubuntu
+plugin_dir = /usr/lib/uwsgi
+embedded_plugins =
+as_shared_library = true
+
+locking = auto
+event = auto
+timer = auto
+filemonitor = auto
+
+blacklist =
+whitelist =
+
+embed_files =
+
+embed_config =

buildconf/psgi.ini

@@ -0,0 +1,3 @@
+[uwsgi]
+main_plugin = psgi
+inherit = base

buildconf/pyerl.ini

@@ -0,0 +1,3 @@
+[uwsgi]
+main_plugin = python,erlang,pyerl
+inherit = base 

buildconf/pylua.ini

@@ -0,0 +1,3 @@
+[uwsgi]
+main_plugin = python,lua
+inherit = base

buildconf/pypy.ini

@@ -0,0 +1,3 @@
+[uwsgi]
+main_plugin = pypy
+inherit = base

buildconf/pyring.ini

@@ -0,0 +1,6 @@
+[uwsgi]
+main_plugin = python,gevent
+inherit = base
+plugins = jvm,ring
+plugin_dir = .
+

buildconf/pyuwsgi.ini

@@ -0,0 +1,5 @@
+[uwsgi]
+main_plugin = pyuwsgi
+inherit = base
+bin_name = pyuwsgi.so
+as_shared_library = true

buildconf/rack.ini

@@ -0,0 +1,3 @@
+[uwsgi]
+main_plugin = rack
+inherit = base

buildconf/rados.ini

@@ -0,0 +1,3 @@
+[uwsgi]
+main_plugin = rados
+inherit = base

buildconf/ring.ini

@@ -0,0 +1,3 @@
+[uwsgi]
+main_plugin = jvm,ring
+inherit = base

buildconf/ruby2.ini

@@ -0,0 +1,3 @@
+[uwsgi]
+main_plugin = rack,rbthreads,fiber
+inherit = base

buildconf/servlet.ini

@@ -0,0 +1,3 @@
+[uwsgi]
+main_plugin = jvm,servlet
+inherit = base

buildconf/travis.ini

@@ -0,0 +1,3 @@
+[uwsgi]
+main_plugin =
+inherit = base

buildconf/unbit.ini

@@ -0,0 +1,32 @@
+[uwsgi]
+xml = true
+yaml = true
+json = false
+zeromq = false
+ssl = true
+pcre = true
+routing = true
+debug = false
+unbit = true
+xml_implementation = expat
+yaml_implementation = auto
+malloc_implementation = libc
+extras =
+plugins =
+bin_name = /opt/unbit/uwsgi19/lib/libuwsgi.so
+append_version = unbit
+plugin_dir = /opt/unbit/uwsgi19/plugins
+embedded_plugins =
+as_shared_library = true
+
+locking = auto
+event = auto
+timer = auto
+filemonitor = auto
+
+blacklist =
+whitelist =
+
+embed_files =
+
+embed_config =

buildconf/unbitstaff.ini

@@ -0,0 +1,5 @@
+[uwsgi]
+inherit = unbit
+embedded_plugins = python
+bin_name = ../bin/uwsgi
+plugin_dir = ../bin/uwsgi_plugins

buildconf/v8.ini

@@ -0,0 +1,3 @@
+[uwsgi]
+main_plugin = v8
+inherit = base

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

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/binder.pl

@@ -0,0 +1,15 @@
+use POSIX;
+use IO::Socket::INET;
+use IO::Socket::INET6;
+use IO::Socket::UNIX;
+
+my $s = IO::Socket::INET->new(LocalAddr => '127.0.0.1', LocalPort => 1717, Proto => 'tcp', Reuse => 1);
+my $s2 = IO::Socket::INET->new(LocalAddr => '127.0.0.1', LocalPort => 3022, Proto => 'tcp', Reuse => 1);
+my $s3 = IO::Socket::INET6->new(LocalAddr => '::', LocalPort => 3017, Proto => 'tcp', Reuse => 1);
+my $s4 = IO::Socket::UNIX->new(Local => '/tmp/u.sock', Listen => 1);
+
+dup2($s->fileno, 17);
+dup2($s2->fileno, 22);
+dup2($s3->fileno, 30);
+dup2($s4->fileno, 0);
+exec './uwsgi','-M', '--socket','fd://17', '--http-socket','fd://22', '--socket','fd://30','--stats',':5001';

contrib/centos_init_script

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

contrib/cgi_python.c

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

contrib/cryptologger.rb

@@ -0,0 +1,24 @@
+require 'socket'
+require 'openssl'
+
+secret = 'ciaociao'
+iv = ''
+address = '127.0.0.1'
+port  = 1717
+algo = 'bf-cbc'
+
+s = UDPSocket.new
+s.bind(address, port)
+cipher = OpenSSL::Cipher.new(algo)
+cipher.decrypt
+cipher.key = secret + ("\0" * (cipher.key_len - secret.length))
+cipher.iv = iv + ("0" * (cipher.iv_len - iv.length))
+
+loop do
+  msg, sender = s.recvfrom(8192)
+  cipher.reset
+  begin
+    puts cipher.update(msg) + cipher.final
+  rescue
+  end
+end

contrib/emperormon.ru

@@ -0,0 +1,114 @@
+require 'sinatra'
+require 'socket'
+require 'json'
+
+module EmperorStats
+  def self.uwsgi_get_stats(server)
+    parts = server.split(':')
+    if parts.length > 1
+      s = TCPSocket.open(parts[0], parts[1])
+    else
+      s = UNIXSocket.open(server)
+    end
+    return JSON.parse(s.read())
+  end
+end
+
+template = <<eof
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="utf-8">
+    <title><%=@title%></title>
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta name="description" content="">
+    <meta name="author" content="unbit">
+    <link href="http://unbit.github.com/bootstrap/css/bootstrap.css" rel="stylesheet">
+    <style>
+      body {
+        padding-top: 60px; /* 60px to make the container go all the way to the bottom of the topbar */
+      }
+    </style>
+    <link href="http://unbit.github.com/bootstrap/css/bootstrap-responsive.css" rel="stylesheet">
+  </head>
+  <body>
+
+    <div class="navbar navbar-fixed-top">
+      <div class="navbar-inner">
+        <div class="container">
+          <a class="brand" href="#"><%=@title%></a>
+        </div>
+      </div>
+    </div>
+
+    <div class="container">
+      <hr/>
+      <h1>Emperor: <%=@stats['emperor']%></h1>
+      <hr/>
+
+      <div class="row">
+              <div class="span8">
+                  <table class="table table-striped table-bordered">
+                    <thead>
+                      <tr>
+                        <th>name</th><th>pid</th><th>first run</th>
+                        <th>last respawn</th>
+                        <th>last heartbeat</th>
+                        <th>loyal</th>
+                        <th>respawns</th>
+			<% if @stats['emperor_tyrant'] == 1 %>
+                        <th>uid</th>
+                        <th>gid</th>
+			<% end %>
+                     </tr>
+                    </thead>
+          <% for vassal in @stats['vassals'] %>
+			<tr>
+				<td><%=vassal['id']%></td>
+				<td><%=vassal['pid']%></td>
+				<td><%=Time.at(vassal['first_run']).strftime("%d %b %Y %H:%M:%S")%></td>
+				<td><%=Time.at(vassal['last_run']).strftime("%d %b %Y %H:%M:%S")%></td>
+				<td><% if vassal['last_heartbeat'] > 0 %><%=Time.at(vassal['last_heartbeat']).strftime("%d %b %Y %H:%M:%S")%><% end %></td>
+				<td><% if vassal['loyal'] > 0 %><%=Time.at(vassal['last_loyal']).strftime("%d %b %Y %H:%M:%S")%><% end %></td>
+				<td><%=vassal['respawns']%></td>
+				<% if @stats['emperor_tyrant'] == 1 %>
+					<td><%=vassal['uid']%></td>
+					<td><%=vassal['gid']%></td>
+				<% end %>
+			</tr>
+          <% end %>
+                  </table>
+              </div>
+
+
+		<div class="span4">
+			<h3>blacklist</h3>
+			<table class="table table-striped table-bordered">
+				<thead>
+					<tr><th>name</th><th>throttle</th></tr>
+					<% for bli in @stats['blacklist'] %>
+						<tr>
+							<td><%=bli['id']%></td>
+							<td><%=bli['throttle_level']%></td>
+						</tr>
+					<% end %>
+				</thead>
+			</table>
+		</div>
+      </div>
+
+
+
+    <script src="http://unbit.github.com/jquery-1.7.2.min.js" type="text/javascript"></script>
+    <script src="http://unbit.github.com/bootstrap/js/bootstrap.min.js" type="text/javascript"></script>
+  </body>
+</html>
+eof
+
+get '/' do
+  @stats = EmperorStats::uwsgi_get_stats(ENV['EMPEROR']) 
+  @title = 'uWSGI Emperor monitor'
+  erb template
+end
+
+run Sinatra::Application

contrib/fdconf.pl

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

contrib/graphite_uwsgi.py

@@ -0,0 +1,33 @@
+# uwsgi --master --chdir /opt/graphite/webapp/graphite --module graphite_uwsgi ...
+#
+#
+# this module will update a carbon server (used by the graphite tool: http://graphite.wikidot.com/)
+# with requests count made by a Django app (and can track graphite itself as it is a Django app ;)
+#
+#
+
+import os
+import uwsgi
+import time
+from django.core.handlers.wsgi import WSGIHandler
+
+os.environ['DJANGO_SETTINGS_MODULE'] = 'settings'
+
+CARBON_SERVER = "127.0.0.1:2003"
+
+def update_carbon(signum):
+    # connect to the carbon server
+    carbon_fd = uwsgi.connect(CARBON_SERVER)
+    # send data to the carbon server
+    uwsgi.send(carbon_fd, "uwsgi.%s.requests %d %d\n" % (uwsgi.hostname, uwsgi.total_requests(), int(time.time())))
+    # close the connection with the carbon server
+    uwsgi.close(carbon_fd)
+
+# register a new uwsgi signal (signum: 17)
+uwsgi.register_signal(17, '', update_carbon)
+
+# attach a timer of 10 seconds to signal 17
+uwsgi.add_timer(17, 10)
+
+# the Django app
+application = WSGIHandler()

contrib/launchd/it.unbit.uwsgi.emperor.plist

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+        <key>Label</key>
+        <string>it.unbit.uwsgi.emperor</string>
+	<key>ProgramArguments</key>
+        <array>
+        	<string>/Users/roberta/uwsgi/uwsgi</string>
+                <string>--emperor</string>
+		<string>/Users/*/Library/uwsgi/*.{xml,ini,yml,yaml,js}</string>
+	</array>
+</dict>
+</plist>

contrib/launchd/it.unbit.uwsgi.plist

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+        <key>Label</key>
+        <string>it.unbit.uwsgi</string>
+	<key>ProgramArguments</key>
+        <array>
+        	<string>/Users/roberta/uwsgi/uwsgi</string>
+                <string>--socket</string>
+		<string>:3032</string>
+		<string>--module</string>
+		<string>welcome</string>
+		<string>--master</string>
+		<string>--die-on-term</string>
+	</array>
+</dict>
+</plist>

contrib/loadapp.pl

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

contrib/pypy/uwsgi_pypy_greenlets.py

@@ -0,0 +1,61 @@
+"""
+Greenlets support
+
+simply --pypy-exec this file to enable PyPy's greenlet mode
+
+Example:
+
+uwsgi --http-socket :9090 --pypy-home /opt/pypy --pypy-wsgi werkzeug.testapp:test_app --pypy-exec contrib/pypy/uwsgi_pypy_greenlets.py --async 8
+"""
+
+import greenlet
+
+uwsgi_pypy_greenlets = {}
+
+def uwsgi_pypy_greenlet_wrapper():
+    lib.async_schedule_to_req_green()
+
+@ffi.callback("void()")
+def uwsgi_pypy_greenlet_schedule():
+    id = lib.uwsgi.wsgi_req.async_id
+    modifier1 = lib.uwsgi.wsgi_req.uh.modifier1;
+
+    # generate a new greenlet
+    if not lib.uwsgi.wsgi_req.suspended:
+        uwsgi_pypy_greenlets[id] = greenlet.greenlet(uwsgi_pypy_greenlet_wrapper)
+        lib.uwsgi.wsgi_req.suspended = 1
+
+    # this is called in the main stack
+    if lib.uwsgi.p[modifier1].suspend:
+        lib.uwsgi.p[modifier1].suspend(ffi.NULL)
+
+    # let's switch
+    uwsgi_pypy_greenlets[id].switch()
+
+    # back to the main stack
+    if lib.uwsgi.p[modifier1].resume:
+        lib.uwsgi.p[modifier1].resume(ffi.NULL)
+
+@ffi.callback("void(struct wsgi_request *)")
+def uwsgi_pypy_greenlet_switch(wsgi_req):
+    id = wsgi_req.async_id
+    modifier1 = wsgi_req.uh.modifier1;
+
+    # this is called in the current greenlet
+    if lib.uwsgi.p[modifier1].suspend:
+        lib.uwsgi.p[modifier1].suspend(wsgi_req)
+
+    uwsgi_pypy_main_greenlet.switch()
+
+    # back to the greenlet
+    if lib.uwsgi.p[modifier1].resume:
+        lib.uwsgi.p[modifier1].resume(wsgi_req)
+
+    # update current running greenlet
+    lib.uwsgi.wsgi_req = wsgi_req
+
+if lib.uwsgi.async <= 1:
+    raise Exception("pypy greenlets require async mode !!!")
+lib.uwsgi.schedule_to_main = uwsgi_pypy_greenlet_switch
+lib.uwsgi.schedule_to_req = uwsgi_pypy_greenlet_schedule
+uwsgi_pypy_main_greenlet = greenlet.getcurrent()

contrib/runuwsgi.py

@@ -0,0 +1,66 @@
+import django
+from django.core.management.base import BaseCommand
+from django.conf import settings
+import os
+import sys
+
+class Command(BaseCommand):
+    help = "Runs this project as a uWSGI application. Requires the uwsgi binary in system path."
+
+    http_port = '8000'
+    socket_addr = None
+
+    def handle(self, *args, **options):
+        for arg in args:
+            k,v = arg.split('=')
+            if k == 'http':
+                if self.http_port:
+                   self.http_port = v
+            elif k == 'socket':
+                self.http_port = None
+                self.socket_addr = v
+
+        # load http and python plugin: first the specific version, otherwise try with the generic one
+        if self.http_port:
+            os.environ['UWSGI_PLUGINS'] = 'http,python%d%d:python' % (sys.version_info[0], sys.version_info[1])
+        else:
+            os.environ['UWSGI_PLUGINS'] = 'python%d%d:python' % (sys.version_info[0], sys.version_info[1])
+
+        # load the Django WSGI handler
+        os.environ['UWSGI_MODULE'] = 'django.core.handlers.wsgi:WSGIHandler()'
+        # DJANGO settings
+        if options['settings']:
+            os.environ['DJANGO_SETTINGS_MODULE'] = options['settings']
+        else:
+            os.environ['DJANGO_SETTINGS_MODULE'] = 'settings'
+
+        # bind the http server to the default port
+        if self.http_port:
+            os.environ['UWSGI_HTTP'] = ':%s' % self.http_port
+        elif self.socket_addr:
+            os.environ['UWSGI_SOCKET'] = self.socket_addr
+
+	# map admin static files
+	os.environ['UWSGI_STATIC_MAP'] = '%s=%s' % (settings.ADMIN_MEDIA_PREFIX, os.path.join(django.__path__[0], 'contrib', 'admin', 'media'))
+        # remove sockets/pidfile at exit
+        os.environ['UWSGI_VACUUM'] = '1'
+        # retrieve/set the PythonHome
+        os.environ['UWSGI_PYHOME'] = sys.prefix
+        # increase buffer size a bit
+        os.environ['UWSGI_BUFFER_SIZE'] = '8192'
+        # add threads for concurrency
+        os.environ['UWSGI_THREADS'] = '8'
+        # enable the master process
+        os.environ['UWSGI_MASTER'] = '1'
+        # use uWSGI python module aliasing to fix the PYTHONPATH
+        os.environ['UWSGI_PYMODULE_ALIAS'] = '%s=./' % os.path.basename(os.getcwd())
+        # exec the uwsgi binary
+        os.execvp('uwsgi', ('uwsgi',))
+
+    def usage(self, subcomand):
+        return r"""
+run this project on the uWSGI server
+
+  http=PORT		run the embedded http server on port PORT
+  socket=ADDR		bind the uwsgi server on address ADDR (this will disable the http server)
+        """

contrib/securesubscribe.pl

@@ -0,0 +1,36 @@
+#!/usr/bin/perl
+
+use Crypt::OpenSSL::RSA;
+use IO::Socket::INET;
+
+open PK,$ARGV[3];
+my @lines = <PK>;
+close PK;
+
+$rsa_priv = Crypt::OpenSSL::RSA->new_private_key(join('',@lines));
+
+my %items = {};
+
+$items{'key'} = $ARGV[1];
+$items{'address'} = $ARGV[2];
+
+my $uwsgi_pkt = '';
+
+foreach(keys %items) {
+	$uwsgi_pkt .= pack('v', length($_)).$_.pack('v', length($items{$_})).$items{$_};	
+}
+
+my $unix_check = time();
+
+$uwsgi_pkt .= pack('v', 4).'unix'.pack('v', length($unix_check)).$unix_check;
+
+my $signature = $rsa_priv->sign($uwsgi_pkt);
+
+$uwsgi_pkt .= pack('v', 4).'sign'.pack('v', length($signature)).$signature;
+
+
+my $udp = new IO::Socket::INET(PeerAddr => $ARGV[0], Proto => 'udp');
+
+$udp->send(pack('CvC', 224, length($uwsgi_pkt), 0).$uwsgi_pkt);
+
+print ''.(length($uwsgi_pkt)+4).' bytes sent to '.$ARGV[0]."\n";

contrib/spoolqueue/producer.py

@@ -0,0 +1,11 @@
+from tasksconsumer import enqueue
+
+def application(env, sr):
+
+    sr('200 OK', [('Content-Type','text/html')])
+
+    enqueue(queue='fast', pippo='pluto')
+
+    return "Task enqueued"
+
+

contrib/spoolqueue/tasks.py

@@ -0,0 +1,9 @@
+from tasksconsumer import *
+
+@queueconsumer('fast', 4)
+def fast_queue(arguments):
+    print "fast", arguments
+
+@queueconsumer('slow')
+def slow_queue(arguments):
+    print "foobar", arguments

contrib/spoolqueue/tasksconsumer.py

@@ -0,0 +1,44 @@
+from uwsgidecorators import *
+import Queue
+from threading import Thread
+
+queues = {}
+
+class queueconsumer(object):
+
+    def __init__(self, name, num=1, **kwargs):
+        self.name = name
+	self.num = num
+        self.queue = Queue.Queue()
+	self.threads = []
+	self.func = None
+	queues[self.name] = self
+
+
+    @staticmethod
+    def consumer(self):
+        while True:
+	    req = self.queue.get()
+            print req
+	    self.func(req)
+	    self.queue.task_done()
+
+    def __call__(self, f):
+        self.func = f
+	for i in range(self.num):
+	    t = Thread(target=self.consumer,args=(self,))	
+	    self.threads.append(t)
+	    t.daemon = True
+	    t.start()
+
+@spool
+def spooler_enqueuer(arguments):
+    if 'queue' in arguments:
+        queue = arguments['queue']
+        queues[queue].queue.put(arguments)
+    else:
+        raise Exception("You have to specify a queue name")
+
+
+def enqueue(*args, **kwargs):
+    return spooler_enqueuer.spool(*args, **kwargs)

contrib/subscribe.pl

@@ -0,0 +1,20 @@
+#!/usr/bin/perl
+
+use IO::Socket::INET;
+
+my %items = {};
+
+$items{'key'} = $ARGV[1];
+$items{'address'} = $ARGV[2];
+
+my $uwsgi_pkt = '';
+
+foreach(keys %items) {
+	$uwsgi_pkt .= pack('v', length($_)).$_.pack('v', length($items{$_})).$items{$_};	
+}
+
+my $udp = new IO::Socket::INET(PeerAddr => $ARGV[0], Proto => 'udp');
+
+$udp->send(pack('CvC', 224, length($uwsgi_pkt), 0).$uwsgi_pkt);
+
+print ''.(length($uwsgi_pkt)+4).' bytes sent to '.$ARGV[0]."\n";

contrib/upstart/emperor.conf

@@ -0,0 +1,15 @@
+# uWSGI - Emperor
+#
+
+description     "uWSGI Emperor"
+
+start on runlevel [2345]
+stop on runlevel [!2345]
+
+respawn
+
+env LOGTO=/tmp/uwsgi.log
+env BINPATH=/home/foo/uwsgi/uwsgi
+env VASSALS=/etc/uwsgi
+
+exec $BINPATH --emperor $VASSALS --logto $LOGTO

contrib/upstart/uwsgi.conf

@@ -0,0 +1,16 @@
+# 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
+
+# --die-on-term is upstart friendly
+exec $BINPATH --die-on-term --socket :3033 --uid 1001 --gid 1001 --limit-as 256 -w simple_app --logto $LOGTO -M -p 4
+

contrib/upython

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

contrib/urack.rb

@@ -0,0 +1,334 @@
+require 'rubygems'
+require 'socket'
+begin
+        require 'bundler/setup'
+rescue LoadError
+end
+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-cache-monitor.py

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

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;
+
+}
+

contrib/uwsgisubscribers.ru

@@ -0,0 +1,96 @@
+require 'sinatra'
+require 'socket'
+require 'json'
+
+module USubscribers
+  def self.uwsgi_get_stats(server)
+    parts = server.split(':')
+      if parts.length > 1
+        s = TCPSocket.open(parts[0], parts[1])
+      else
+        s = UNIXSocket.open(server)
+      end
+      return JSON.parse(s.read())
+  end
+end
+
+template = <<eof
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="utf-8">
+    <title><%=@title%></title>
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta name="description" content="">
+    <meta name="author" content="unbit">
+    <link href="http://unbit.github.com/bootstrap/css/bootstrap.css" rel="stylesheet">
+    <style>
+      body {
+        padding-top: 60px; /* 60px to make the container go all the way to the bottom of the topbar */
+      }
+    </style>
+    <link href="http://unbit.github.com/bootstrap/css/bootstrap-responsive.css" rel="stylesheet">
+  </head>
+  <body>
+
+    <div class="navbar navbar-fixed-top">
+      <div class="navbar-inner">
+        <div class="container">
+          <a class="brand" href="#"><%=@title%></a>
+        </div>
+      </div>
+    </div>
+
+    <% for server in @servers.keys %>
+    <div class="container">
+      <hr/>
+      <h1>SubscriptionServer: <%=server%></h1>
+      <hr/>
+
+      <div class="row">
+          <% for pool in @servers[server] %>
+              <div class="span6">
+                  <h3><%=pool['key']%> (<%=pool['hits']%> hits)</h3>
+                  <table class="table table-striped table-bordered">
+                    <thead>
+                      <tr>
+                        <th>node</th><th>load</th><th>requests</th>
+                        <th>last check</th>
+                        <th>fail count</th>
+                     </tr>
+                    </thead>
+                    <% for node in pool['nodes'] %>
+                      <tr>
+                        <td><%=node['name']%></td><td><%=node['load']%></td><td><%=node['requests']%></td>
+                        <td><%=Time.at(node['last_check']).strftime("%d-%m-%Y %H:%M:%S")%></td>
+                        <td><%=node['failcnt']%></td>
+                      </tr>
+                    <% end %>
+                  </table>
+              </div>
+          <% end %>
+      </div>
+
+    </div> 
+
+    <% end %>
+
+    <script src="http://unbit.github.com/jquery-1.7.2.min.js" type="text/javascript"></script>
+    <script src="http://unbit.github.com/bootstrap/js/bootstrap.min.js" type="text/javascript"></script>
+  </body>
+</html>
+eof
+
+get '/' do
+  @servers = {}
+  for server in ENV['U_SERVERS'].split(',')
+    stats = USubscribers::uwsgi_get_stats(server) 
+    if stats
+      @servers[server] = stats['subscriptions']
+    end
+  end
+  @title = 'uWSGI subscriptions viewer'
+  erb template
+end
+
+run Sinatra::Application

contrib/xinetd_uwsgi

@@ -0,0 +1,14 @@
+service uwsgi
+{
+        disable         = no
+        id              = uwsgi-000
+        type            = UNLISTED
+        socket_type     = stream
+        server          = /root/uwsgi/uwsgi
+        server_args     = --chdir /root/uwsgi/ --module welcome --logto /tmp/uwsgi.log
+        port            = 3031
+        bind            = 127.0.0.1
+        user            = root
+        wait            = yes
+}
+

core/alarm.c

@@ -0,0 +1,471 @@
+#include "../uwsgi.h"
+
+extern struct uwsgi_server uwsgi;
+
+// generate a uwsgi signal on alarm
+void uwsgi_alarm_init_signal(struct uwsgi_alarm_instance *uai) {
+	uai->data8 = atoi(uai->arg);
+}
+
+void uwsgi_alarm_func_signal(struct uwsgi_alarm_instance *uai, char *msg, size_t len) {
+	uwsgi_route_signal(uai->data8);
+}
+
+// simply log an alarm
+void uwsgi_alarm_init_log(struct uwsgi_alarm_instance *uai) {
+}
+
+void uwsgi_alarm_func_log(struct uwsgi_alarm_instance *uai, char *msg, size_t len) {
+	if (msg[len-1] != '\n') {
+		if (uai->arg && strlen(uai->arg) > 0) {
+			uwsgi_log_alarm("] %s %.*s\n", uai->arg, len, msg);
+		}
+		else {
+			uwsgi_log_alarm("] %.*s\n", len, msg);
+		}
+	}
+	else {
+		if (uai->arg && strlen(uai->arg) > 0) {
+			uwsgi_log_alarm("] %s %.*s", uai->arg, len, msg);
+		}
+		else {
+			uwsgi_log_alarm("] %.*s", len, msg);
+		}
+	}
+}
+
+// run a command on alarm
+void uwsgi_alarm_init_cmd(struct uwsgi_alarm_instance *uai) {
+	uai->data_ptr = uai->arg;
+}
+
+void uwsgi_alarm_func_cmd(struct uwsgi_alarm_instance *uai, char *msg, size_t len) {
+	int pipe[2];
+	if (socketpair(AF_UNIX, SOCK_STREAM, 0, pipe)) {
+		return;
+	}
+	uwsgi_socket_nb(pipe[0]);
+	uwsgi_socket_nb(pipe[1]);
+	if (write(pipe[1], msg, len) != (ssize_t) len) {
+		close(pipe[0]);
+		close(pipe[1]);
+		return;
+	}
+	uwsgi_run_command(uai->data_ptr, pipe, -1);
+	close(pipe[0]);
+	close(pipe[1]);
+}
+
+// pass the log line to a mule
+
+void uwsgi_alarm_init_mule(struct uwsgi_alarm_instance *uai) {
+	uai->data32 = atoi(uai->arg);
+	if (uai->data32 > (uint32_t) uwsgi.mules_cnt) {
+		uwsgi_log_alarm("] invalid mule_id (%d mules available), fallback to 0\n", uwsgi.mules_cnt);
+		uai->data32 = 0;
+	}
+}
+
+void uwsgi_alarm_func_mule(struct uwsgi_alarm_instance *uai, char *msg, size_t len) {
+	// skip if mules are not available
+	if (uwsgi.mules_cnt == 0)
+		return;
+	int fd = uwsgi.shared->mule_queue_pipe[0];
+	if (uai->data32 > 0) {
+		int mule_id = uai->data32 - 1;
+		fd = uwsgi.mules[mule_id].queue_pipe[0];
+	}
+	mule_send_msg(fd, msg, len);
+}
+
+
+// register a new alarm
+void uwsgi_register_alarm(char *name, void (*init) (struct uwsgi_alarm_instance *), void (*func) (struct uwsgi_alarm_instance *, char *, size_t)) {
+	struct uwsgi_alarm *old_ua = NULL, *ua = uwsgi.alarms;
+	while (ua) {
+		// skip already initialized alarms
+		if (!strcmp(ua->name, name)) {
+			return;
+		}
+		old_ua = ua;
+		ua = ua->next;
+	}
+
+	ua = uwsgi_calloc(sizeof(struct uwsgi_alarm));
+	ua->name = name;
+	ua->init = init;
+	ua->func = func;
+
+	if (old_ua) {
+		old_ua->next = ua;
+	}
+	else {
+		uwsgi.alarms = ua;
+	}
+}
+
+// register embedded alarms
+void uwsgi_register_embedded_alarms() {
+	uwsgi_register_alarm("signal", uwsgi_alarm_init_signal, uwsgi_alarm_func_signal);
+	uwsgi_register_alarm("cmd", uwsgi_alarm_init_cmd, uwsgi_alarm_func_cmd);
+	uwsgi_register_alarm("mule", uwsgi_alarm_init_mule, uwsgi_alarm_func_mule);
+	uwsgi_register_alarm("log", uwsgi_alarm_init_log, uwsgi_alarm_func_log);
+}
+
+static int uwsgi_alarm_add(char *name, char *plugin, char *arg) {
+	struct uwsgi_alarm *ua = uwsgi.alarms;
+	while (ua) {
+		if (!strcmp(ua->name, plugin)) {
+			break;
+		}
+		ua = ua->next;
+	}
+
+	if (!ua)
+		return -1;
+
+	struct uwsgi_alarm_instance *old_uai = NULL, *uai = uwsgi.alarm_instances;
+	while (uai) {
+		old_uai = uai;
+		uai = uai->next;
+	}
+
+	uai = uwsgi_calloc(sizeof(struct uwsgi_alarm_instance));
+	uai->name = name;
+	uai->alarm = ua;
+	uai->arg = arg;
+	uai->last_msg = uwsgi_malloc(uwsgi.log_master_bufsize);
+
+	if (old_uai) {
+		old_uai->next = uai;
+	}
+	else {
+		uwsgi.alarm_instances = uai;
+	}
+
+	ua->init(uai);
+	return 0;
+}
+
+// get an alarm instance by its name
+static struct uwsgi_alarm_instance *uwsgi_alarm_get_instance(char *name) {
+	struct uwsgi_alarm_instance *uai = uwsgi.alarm_instances;
+	while (uai) {
+		if (!strcmp(name, uai->name)) {
+			return uai;
+		}
+		uai = uai->next;
+	}
+	return NULL;
+}
+
+
+#ifdef UWSGI_PCRE
+static int uwsgi_alarm_log_add(char *alarms, char *regexp, int negate) {
+
+	struct uwsgi_alarm_log *old_ual = NULL, *ual = uwsgi.alarm_logs;
+	while (ual) {
+		old_ual = ual;
+		ual = ual->next;
+	}
+
+	ual = uwsgi_calloc(sizeof(struct uwsgi_alarm_log));
+	if (uwsgi_regexp_build(regexp, &ual->pattern, &ual->pattern_extra)) {
+		return -1;
+	}
+	ual->negate = negate;
+
+	if (old_ual) {
+		old_ual->next = ual;
+	}
+	else {
+		uwsgi.alarm_logs = ual;
+	}
+
+	// map instances to the log
+	char *list = uwsgi_str(alarms);
+	char *p = strtok(list, ",");
+	while (p) {
+		struct uwsgi_alarm_instance *uai = uwsgi_alarm_get_instance(p);
+		if (!uai) {
+			free(list);
+			return -1;
+		}
+		struct uwsgi_alarm_ll *old_uall = NULL, *uall = ual->alarms;
+		while (uall) {
+			old_uall = uall;
+			uall = uall->next;
+		}
+
+		uall = uwsgi_calloc(sizeof(struct uwsgi_alarm_ll));
+		uall->alarm = uai;
+		if (old_uall) {
+			old_uall->next = uall;
+		}
+		else {
+			ual->alarms = uall;
+		}
+		p = strtok(NULL, ",");
+	}
+	free(list);
+	return 0;
+}
+#endif
+
+static void uwsgi_alarm_thread_loop(struct uwsgi_thread *ut) {
+	// add uwsgi_alarm_fd;
+	struct uwsgi_alarm_fd *uafd = uwsgi.alarm_fds;
+	while(uafd) {
+		event_queue_add_fd_read(ut->queue, uafd->fd);
+		uafd = uafd->next;
+	}
+	char *buf = uwsgi_malloc(uwsgi.alarm_msg_size + sizeof(long));
+	for (;;) {
+		int interesting_fd = -1;
+                int ret = event_queue_wait(ut->queue, -1, &interesting_fd);
+		if (ret > 0) {
+			if (interesting_fd == ut->pipe[1]) {
+				ssize_t len = read(ut->pipe[1], buf, uwsgi.alarm_msg_size + sizeof(long));
+				if (len > (ssize_t)(sizeof(long) + 1)) {
+					size_t msg_size = len - sizeof(long);
+					char *msg = buf + sizeof(long);
+					long ptr = 0;
+					memcpy(&ptr, buf, sizeof(long));
+					struct uwsgi_alarm_instance *uai = (struct uwsgi_alarm_instance *) ptr;
+					if (!uai)
+						break;
+					uwsgi_alarm_run(uai, msg, msg_size);
+				}
+			}
+			// check for alarm_fd
+			else {
+				uafd = uwsgi.alarm_fds;
+				int fd_read = 0;
+				while(uafd) {
+					if (interesting_fd == uafd->fd) {
+						if (fd_read) goto raise;	
+						size_t remains = uafd->buf_len;
+						while(remains) {
+							ssize_t len = read(uafd->fd, uafd->buf + (uafd->buf_len-remains), remains);
+							if (len <= 0) {
+								uwsgi_error("[uwsgi-alarm-fd]/read()");
+								uwsgi_log("[uwsgi-alarm-fd] i will stop monitoring fd %d\n", uafd->fd);
+								event_queue_del_fd(ut->queue, uafd->fd, event_queue_read());
+								break;
+							}
+							remains-=len;
+						}
+						fd_read = 1;
+raise:
+						uwsgi_alarm_run(uafd->alarm, uafd->msg, uafd->msg_len);
+					}
+					uafd = uafd->next;
+				}
+			}
+		}
+	}
+	free(buf);
+}
+
+// initialize alarms, instances and log regexps
+void uwsgi_alarms_init() {
+
+	if (!uwsgi.master_process) return;
+
+	// first of all, create instance of alarms
+	struct uwsgi_string_list *usl = uwsgi.alarm_list;
+	while (usl) {
+		char *line = uwsgi_str(usl->value);
+		char *space = strchr(line, ' ');
+		if (!space) {
+			uwsgi_log("invalid alarm syntax: %s\n", usl->value);
+			exit(1);
+		}
+		*space = 0;
+		char *plugin = space + 1;
+		char *colon = strchr(plugin, ':');
+		if (!colon) {
+			uwsgi_log("invalid alarm syntax: %s\n", usl->value);
+			exit(1);
+		}
+		*colon = 0;
+		char *arg = colon + 1;
+		// here the alarm is mapped to a name and initialized
+		if (uwsgi_alarm_add(line, plugin, arg)) {
+			uwsgi_log("invalid alarm: %s\n", usl->value);
+			exit(1);
+		}
+		usl = usl->next;
+	}
+
+	if (!uwsgi.alarm_instances) return;
+
+	// map alarm file descriptors
+	usl = uwsgi.alarm_fd_list;
+	while(usl) {
+		char *space0 = strchr(usl->value, ' ');
+		if (!space0) {
+			uwsgi_log("invalid alarm-fd syntax: %s\n", usl->value);
+			exit(1);
+		}
+		*space0 = 0;
+		size_t buf_len = 1;
+		char *space1 = strchr(space0+1, ' ');
+		if (!space1) {
+			uwsgi_log("invalid alarm-fd syntax: %s\n", usl->value);
+                        exit(1);
+		}
+
+		char *colon = strchr(space0+1, ':');
+		if (colon) {
+			buf_len = strtoul(colon+1, NULL, 10);
+			*colon = 0;
+		}
+		int fd = atoi(space0+1);
+		uwsgi_add_alarm_fd(fd, usl->value, buf_len, space1+1, strlen(space1+1));
+		*space0 = ' ';
+		*space1 = ' ';
+		if (colon) {
+			*colon = ':';
+		}
+		usl = usl->next;
+	}
+
+#ifdef UWSGI_PCRE
+	// then map log-alarm
+	usl = uwsgi.alarm_logs_list;
+	while (usl) {
+		char *line = uwsgi_str(usl->value);
+		char *space = strchr(line, ' ');
+		if (!space) {
+			uwsgi_log("invalid log-alarm syntax: %s\n", usl->value);
+			exit(1);
+		}
+		*space = 0;
+		char *regexp = space + 1;
+		// here the log-alarm is created
+		if (uwsgi_alarm_log_add(line, regexp, usl->custom)) {
+			uwsgi_log("invalid log-alarm: %s\n", usl->value);
+			exit(1);
+		}
+
+		usl = usl->next;
+	}
+#endif
+}
+
+void uwsgi_alarm_thread_start() {
+	if (!uwsgi.alarm_instances) return;
+	// start the alarm_thread
+	uwsgi.alarm_thread = uwsgi_thread_new(uwsgi_alarm_thread_loop);
+	if (!uwsgi.alarm_thread) {
+		uwsgi_log("unable to spawn alarm thread\n");
+		exit(1);
+	}
+}
+
+#ifdef UWSGI_PCRE
+// check if a log should raise an alarm
+void uwsgi_alarm_log_check(char *msg, size_t len) {
+	if (!uwsgi_strncmp(msg, len, "[uwsgi-alarm", 12))
+		return;
+	struct uwsgi_alarm_log *ual = uwsgi.alarm_logs;
+	while (ual) {
+		if (uwsgi_regexp_match(ual->pattern, ual->pattern_extra, msg, len) >= 0) {
+			if (!ual->negate) {
+				uwsgi_alarm_log_run(ual, msg, len);
+			}
+			else {
+				break;
+			}
+		}
+		ual = ual->next;
+	}
+}
+#endif
+
+// call the alarm func
+void uwsgi_alarm_run(struct uwsgi_alarm_instance *uai, char *msg, size_t len) {
+	time_t now = uwsgi_now();
+	// avoid alarm storming/loop if last message is the same
+	if (!uwsgi_strncmp(msg, len, uai->last_msg, uai->last_msg_size)) {
+		if (now - uai->last_run < uwsgi.alarm_freq)
+			return;
+	}
+	uai->alarm->func(uai, msg, len);
+	uai->last_run = uwsgi_now();
+	memcpy(uai->last_msg, msg, len);
+	uai->last_msg_size = len;
+}
+
+#ifdef UWSGI_PCRE
+// call the alarms mapped to a log line
+void uwsgi_alarm_log_run(struct uwsgi_alarm_log *ual, char *msg, size_t len) {
+	struct uwsgi_alarm_ll *uall = ual->alarms;
+	while (uall) {
+		uwsgi_alarm_run(uall->alarm, msg, len);
+		uall = uall->next;
+	}
+}
+#endif
+
+
+// this is the api function workers,mules and whatever you want can call from code
+void uwsgi_alarm_trigger(char *alarm_instance_name, char *msg, size_t len) {
+	if (!uwsgi.alarm_thread) return;
+	if (len > uwsgi.alarm_msg_size) return;
+	struct uwsgi_alarm_instance *uai = uwsgi_alarm_get_instance(alarm_instance_name);
+	if (!uai) return;
+
+	struct iovec iov[2];
+	iov[0].iov_base = &uai;
+	iov[0].iov_len = sizeof(long);
+	iov[1].iov_base = msg;
+	iov[1].iov_len = len;
+
+	// now send the message to the alarm thread
+	if (writev(uwsgi.alarm_thread->pipe[0], iov, 2) != (ssize_t) (len+sizeof(long))) {
+		uwsgi_error("[uwsgi-alarm-error] uwsgi_alarm_trigger()/writev()");
+	}
+}
+
+struct uwsgi_alarm_fd *uwsgi_add_alarm_fd(int fd, char *alarm, size_t buf_len, char *msg, size_t msg_len) {
+	struct uwsgi_alarm_fd *old_uafd = NULL, *uafd = uwsgi.alarm_fds;
+	struct uwsgi_alarm_instance *uai = uwsgi_alarm_get_instance(alarm);
+	if (!uai) {
+		uwsgi_log("unable to find alarm \"%s\"\n", alarm);
+		exit(1);
+	}
+
+	if (!buf_len) buf_len = 1;	
+
+	while(uafd) {
+		// check if an equal alarm has been added
+		if (uafd->fd == fd && uafd->alarm == uai) {
+			return uafd;
+		}
+		old_uafd = uafd;
+		uafd = uafd->next;
+	}
+
+	uafd = uwsgi_calloc(sizeof(struct uwsgi_alarm_fd));
+	uafd->fd = fd;
+	uafd->buf = uwsgi_malloc(buf_len);
+	uafd->buf_len = buf_len;
+	uafd->msg = msg;
+	uafd->msg_len = msg_len;
+	uafd->alarm = uai;
+
+	if (!old_uafd) {
+		uwsgi.alarm_fds = uafd;
+	}
+	else {
+		old_uafd->next = uafd;
+	}
+
+	// avoid the fd to be closed
+	uwsgi_add_safe_fd(fd);
+	uwsgi_log("[uwsgi-alarm] added fd %d\n", fd);
+
+	return uafd;
+}

core/async.c

@@ -0,0 +1,532 @@
+#include <uwsgi.h>
+
+extern struct uwsgi_server uwsgi;
+
+/*
+
+	This is a general purpose async loop engine (it expects a coroutine based approach)
+
+	You can see it as an hub holding the following structures:
+
+	1) the runqueue, cores ready to be run are appended in this list
+
+	2) the fd list, this is a list of monitored file descriptors, a core can wait for all the file descriptors it needs
+
+	3) the timeout value, if set the current core will timeout aftert he specified number of seconds (unless an event cancel it)
+
+
+	IMPORTANT: this is not a callback based engine !!!
+
+*/
+
+// this is called whenever a new connection is ready, but there are no cores to handle it
+void uwsgi_async_queue_is_full(time_t now) {
+	if (now > uwsgi.async_queue_is_full) {
+		uwsgi_log_verbose("[DANGER] async queue is full !!!\n");
+		uwsgi.async_queue_is_full = now;
+	}
+}
+
+void uwsgi_async_init() {
+	int i;
+
+	uwsgi.async_queue = event_queue_init();
+
+	if (uwsgi.async_queue < 0) {
+		exit(1);
+	}
+
+	uwsgi_add_sockets_to_queue(uwsgi.async_queue, -1);
+
+	uwsgi.rb_async_timeouts = uwsgi_init_rb_timer();
+
+	// a stack of unused cores
+	uwsgi.async_queue_unused = uwsgi_malloc(sizeof(struct wsgi_request *) * uwsgi.async);
+
+	// fill it with default values
+	for (i = 0; i < uwsgi.async; i++) {
+		uwsgi.async_queue_unused[i] = &uwsgi.workers[uwsgi.mywid].cores[i].req;
+	}
+
+	// the first available core is the last one
+	uwsgi.async_queue_unused_ptr = uwsgi.async - 1;
+
+}
+
+struct wsgi_request *find_wsgi_req_proto_by_fd(int fd) {
+	return uwsgi.async_proto_fd_table[fd];
+}
+
+struct wsgi_request *find_wsgi_req_by_fd(int fd) {
+	return uwsgi.async_waiting_fd_table[fd];
+}
+
+static void runqueue_remove(struct uwsgi_async_request *u_request) {
+
+	struct uwsgi_async_request *parent = u_request->prev;
+	struct uwsgi_async_request *child = u_request->next;
+
+	if (parent) {
+		parent->next = child;
+	}
+	if (child) {
+		child->prev = parent;
+	}
+
+	if (u_request == uwsgi.async_runqueue) {
+		uwsgi.async_runqueue = child;
+	}
+
+	if (u_request == uwsgi.async_runqueue_last) {
+		uwsgi.async_runqueue_last = parent;
+	}
+
+	free(u_request);
+}
+
+static void runqueue_push(struct wsgi_request *wsgi_req) {
+
+	// do not push the same request in the runqueue
+	struct uwsgi_async_request *uar = uwsgi.async_runqueue;
+	while(uar) {
+		if (uar->wsgi_req == wsgi_req) return;
+		uar = uar->next;
+	}
+
+	uar = uwsgi_malloc(sizeof(struct uwsgi_async_request));
+	uar->prev = NULL;
+	uar->next = NULL;
+	uar->wsgi_req = wsgi_req;
+
+	if (uwsgi.async_runqueue == NULL) {
+		uwsgi.async_runqueue = uar;
+	}
+	else {
+		uar->prev = uwsgi.async_runqueue_last;	
+	}
+
+	if (uwsgi.async_runqueue_last) {
+		uwsgi.async_runqueue_last->next = uar;
+	}
+	uwsgi.async_runqueue_last = uar;
+}
+
+struct wsgi_request *find_first_available_wsgi_req() {
+
+	struct wsgi_request *wsgi_req;
+
+	if (uwsgi.async_queue_unused_ptr < 0) {
+		return NULL;
+	}
+
+	wsgi_req = uwsgi.async_queue_unused[uwsgi.async_queue_unused_ptr];
+	uwsgi.async_queue_unused_ptr--;
+	return wsgi_req;
+}
+
+void async_reset_request(struct wsgi_request *wsgi_req) {
+	if (wsgi_req->async_timeout) {
+		uwsgi_del_rb_timer(uwsgi.rb_async_timeouts, wsgi_req->async_timeout);
+		free(wsgi_req->async_timeout);
+		wsgi_req->async_timeout = NULL;
+	}
+	
+	struct uwsgi_async_fd *uaf = wsgi_req->waiting_fds;
+	while (uaf) {
+        	event_queue_del_fd(uwsgi.async_queue, uaf->fd, uaf->event);
+                uwsgi.async_waiting_fd_table[uaf->fd] = NULL;
+                struct uwsgi_async_fd *current_uaf = uaf;
+                uaf = current_uaf->next;
+                free(current_uaf);
+	}
+
+	wsgi_req->waiting_fds = NULL;
+}
+
+static void async_expire_timeouts(uint64_t now) {
+
+	struct wsgi_request *wsgi_req;
+	struct uwsgi_rb_timer *urbt;
+
+	for (;;) {
+
+		urbt = uwsgi_min_rb_timer(uwsgi.rb_async_timeouts, NULL);
+
+		if (urbt == NULL)
+			return;
+
+		if (urbt->value <= now) {
+			wsgi_req = (struct wsgi_request *) urbt->data;
+			// timeout expired
+			wsgi_req->async_timed_out = 1;
+			// reset teh request
+			async_reset_request(wsgi_req);
+			// push it in the runqueue
+			runqueue_push(wsgi_req);
+			continue;
+		}
+
+		break;
+	}
+
+}
+
+int async_add_fd_read(struct wsgi_request *wsgi_req, int fd, int timeout) {
+
+	struct uwsgi_async_fd *last_uad = NULL, *uad = wsgi_req->waiting_fds;
+
+	if (fd < 0)
+		return -1;
+
+	// find last slot
+	while (uad) {
+		last_uad = uad;
+		uad = uad->next;
+	}
+
+	uad = uwsgi_malloc(sizeof(struct uwsgi_async_fd));
+	uad->fd = fd;
+	uad->event = event_queue_read();
+	uad->prev = last_uad;
+	uad->next = NULL;
+
+	if (last_uad) {
+		last_uad->next = uad;
+	}
+	else {
+		wsgi_req->waiting_fds = uad;
+	}
+
+	if (timeout > 0) {
+		async_add_timeout(wsgi_req, timeout);
+	}
+	uwsgi.async_waiting_fd_table[fd] = wsgi_req;
+	wsgi_req->async_force_again = 1;
+	return event_queue_add_fd_read(uwsgi.async_queue, fd);
+}
+
+static int async_wait_fd_read(int fd, int timeout) {
+
+	struct wsgi_request *wsgi_req = current_wsgi_req();
+
+	wsgi_req->async_ready_fd = 0;
+
+	if (async_add_fd_read(wsgi_req, fd, timeout)) {
+		return -1;
+	}
+	if (uwsgi.schedule_to_main) {
+		uwsgi.schedule_to_main(wsgi_req);
+	}
+	if (wsgi_req->async_timed_out) {
+		wsgi_req->async_timed_out = 0;
+		return 0;
+	}
+	return 1;
+}
+
+void async_add_timeout(struct wsgi_request *wsgi_req, int timeout) {
+
+	wsgi_req->async_ready_fd = 0;
+
+	if (timeout > 0 && wsgi_req->async_timeout == NULL) {
+		wsgi_req->async_timeout = uwsgi_add_rb_timer(uwsgi.rb_async_timeouts, uwsgi_now() + timeout, wsgi_req);
+	}
+
+}
+
+int async_add_fd_write(struct wsgi_request *wsgi_req, int fd, int timeout) {
+
+	struct uwsgi_async_fd *last_uad = NULL, *uad = wsgi_req->waiting_fds;
+
+	if (fd < 0)
+		return -1;
+
+	// find last slot
+	while (uad) {
+		last_uad = uad;
+		uad = uad->next;
+	}
+
+	uad = uwsgi_malloc(sizeof(struct uwsgi_async_fd));
+	uad->fd = fd;
+	uad->event = event_queue_write();
+	uad->prev = last_uad;
+	uad->next = NULL;
+
+	if (last_uad) {
+		last_uad->next = uad;
+	}
+	else {
+		wsgi_req->waiting_fds = uad;
+	}
+
+	if (timeout > 0) {
+		async_add_timeout(wsgi_req, timeout);
+	}
+
+	uwsgi.async_waiting_fd_table[fd] = wsgi_req;
+	wsgi_req->async_force_again = 1;
+	return event_queue_add_fd_write(uwsgi.async_queue, fd);
+}
+
+static int async_wait_fd_write(int fd, int timeout) {
+	struct wsgi_request *wsgi_req = current_wsgi_req();
+
+	wsgi_req->async_ready_fd = 0;
+
+	if (async_add_fd_write(wsgi_req, fd, timeout)) {
+		return -1;
+	}
+	if (uwsgi.schedule_to_main) {
+		uwsgi.schedule_to_main(wsgi_req);
+	}
+	if (wsgi_req->async_timed_out) {
+		wsgi_req->async_timed_out = 0;
+		return 0;
+	}
+	return 1;
+}
+
+void async_schedule_to_req(void) {
+#ifdef UWSGI_ROUTING
+        if (uwsgi_apply_routes(uwsgi.wsgi_req) == UWSGI_ROUTE_BREAK) {
+		goto end;
+        }
+	// a trick to avoid calling routes again
+	uwsgi.wsgi_req->is_routing = 1;
+#endif
+        if (uwsgi.p[uwsgi.wsgi_req->uh->modifier1]->request(uwsgi.wsgi_req) <= UWSGI_OK) {
+		goto end;
+	}
+
+	if (uwsgi.schedule_to_main) {
+        	uwsgi.schedule_to_main(uwsgi.wsgi_req);
+	}
+	return;
+
+end:
+	async_reset_request(uwsgi.wsgi_req);
+	uwsgi_close_request(uwsgi.wsgi_req);
+	uwsgi.wsgi_req->async_status = UWSGI_OK;	
+}
+
+void async_schedule_to_req_green(void) {
+#ifdef UWSGI_ROUTING
+        if (uwsgi_apply_routes(uwsgi.wsgi_req) == UWSGI_ROUTE_BREAK) {
+                goto end;
+        }
+#endif
+        for(;;) {
+                if (uwsgi.p[uwsgi.wsgi_req->uh->modifier1]->request(uwsgi.wsgi_req) <= UWSGI_OK) {
+                        break;
+                }
+                uwsgi.wsgi_req->switches++;
+                // switch after each yield
+                uwsgi.schedule_to_main(uwsgi.wsgi_req);
+        }
+
+#ifdef UWSGI_ROUTING
+end:
+#endif
+        async_reset_request(uwsgi.wsgi_req);
+        uwsgi_close_request(uwsgi.wsgi_req);
+        uwsgi.wsgi_req->async_status = UWSGI_OK;
+}
+
+void async_loop() {
+
+	if (uwsgi.async < 2) {
+		uwsgi_log("the async loop engine requires async mode (--async <n>)\n");
+		exit(1);
+	}
+
+	int interesting_fd, i;
+	struct uwsgi_rb_timer *min_timeout;
+	int timeout;
+	int is_a_new_connection;
+	int proto_parser_status;
+
+	uint64_t now;
+
+	struct uwsgi_async_request *current_request = NULL;
+
+	void *events = event_queue_alloc(64);
+	struct uwsgi_socket *uwsgi_sock;
+
+	uwsgi.async_runqueue = NULL;
+
+	uwsgi.wait_write_hook = async_wait_fd_write;
+        uwsgi.wait_read_hook = async_wait_fd_read;
+
+	if (uwsgi.signal_socket > -1) {
+		event_queue_add_fd_read(uwsgi.async_queue, uwsgi.signal_socket);
+		event_queue_add_fd_read(uwsgi.async_queue, uwsgi.my_signal_socket);
+	}
+
+	// set a default request manager
+	if (!uwsgi.schedule_to_req)
+		uwsgi.schedule_to_req = async_schedule_to_req;
+
+	if (!uwsgi.schedule_to_main) {
+		uwsgi_log("*** DANGER *** async mode without coroutine/greenthread engine loaded !!!\n");
+	}
+
+	while (uwsgi.workers[uwsgi.mywid].manage_next_request) {
+
+		now = (uint64_t) uwsgi_now();
+		if (uwsgi.async_runqueue) {
+			timeout = 0;
+		}
+		else {
+			min_timeout = uwsgi_min_rb_timer(uwsgi.rb_async_timeouts, NULL);
+			if (min_timeout) {
+				timeout = min_timeout->value - now;
+				if (timeout <= 0) {
+					async_expire_timeouts(now);
+					timeout = 0;
+				}
+			}
+			else {
+				timeout = -1;
+			}
+		}
+
+		uwsgi.async_nevents = event_queue_wait_multi(uwsgi.async_queue, timeout, events, 64);
+
+		now = (uint64_t) uwsgi_now();
+		// timeout ???
+		if (uwsgi.async_nevents == 0) {
+			async_expire_timeouts(now);
+		}
+
+
+		for (i = 0; i < uwsgi.async_nevents; i++) {
+			// manage events
+			interesting_fd = event_queue_interesting_fd(events, i);
+
+			// signals are executed in the main stack... in the future we could have dedicated stacks for them
+			if (uwsgi.signal_socket > -1 && (interesting_fd == uwsgi.signal_socket || interesting_fd == uwsgi.my_signal_socket)) {
+				uwsgi_receive_signal(interesting_fd, "worker", uwsgi.mywid);
+				continue;
+			}
+
+			is_a_new_connection = 0;
+
+			// new request coming in ?
+			uwsgi_sock = uwsgi.sockets;
+			while (uwsgi_sock) {
+
+				if (interesting_fd == uwsgi_sock->fd) {
+
+					is_a_new_connection = 1;
+
+					uwsgi.wsgi_req = find_first_available_wsgi_req();
+					if (uwsgi.wsgi_req == NULL) {
+						uwsgi_async_queue_is_full((time_t)now);
+						break;
+					}
+
+					// on error re-insert the request in the queue
+					wsgi_req_setup(uwsgi.wsgi_req, uwsgi.wsgi_req->async_id, uwsgi_sock);
+					if (wsgi_req_simple_accept(uwsgi.wsgi_req, interesting_fd)) {
+						uwsgi.async_queue_unused_ptr++;
+						uwsgi.async_queue_unused[uwsgi.async_queue_unused_ptr] = uwsgi.wsgi_req;
+						break;
+					}
+
+					if (wsgi_req_async_recv(uwsgi.wsgi_req)) {
+						uwsgi.async_queue_unused_ptr++;
+						uwsgi.async_queue_unused[uwsgi.async_queue_unused_ptr] = uwsgi.wsgi_req;
+						break;
+					}
+
+					// by default the core is in UWSGI_AGAIN mode
+					uwsgi.wsgi_req->async_status = UWSGI_AGAIN;
+					// some protocol (like zeromq) do not need additional parsing, just push it in the runqueue
+					if (uwsgi.wsgi_req->do_not_add_to_async_queue) {
+						runqueue_push(uwsgi.wsgi_req);
+					}
+
+					break;
+				}
+
+				uwsgi_sock = uwsgi_sock->next;
+			}
+
+			if (!is_a_new_connection) {
+				// proto event
+				uwsgi.wsgi_req = find_wsgi_req_proto_by_fd(interesting_fd);
+				if (uwsgi.wsgi_req) {
+					proto_parser_status = uwsgi.wsgi_req->socket->proto(uwsgi.wsgi_req);
+					// reset timeout
+					async_reset_request(uwsgi.wsgi_req);
+					// parsing complete
+					if (!proto_parser_status) {
+						// remove fd from event poll and fd proto table 
+						uwsgi.async_proto_fd_table[interesting_fd] = NULL;
+						event_queue_del_fd(uwsgi.async_queue, interesting_fd, event_queue_read());
+						// put request in the runqueue
+						runqueue_push(uwsgi.wsgi_req);
+						continue;
+					}
+					else if (proto_parser_status < 0) {
+						uwsgi.async_proto_fd_table[interesting_fd] = NULL;
+						close(interesting_fd);
+						continue;
+					}
+					// re-add timer
+					async_add_timeout(uwsgi.wsgi_req, uwsgi.shared->options[UWSGI_OPTION_SOCKET_TIMEOUT]);
+					continue;
+				}
+
+				// app-registered event
+				uwsgi.wsgi_req = find_wsgi_req_by_fd(interesting_fd);
+				// unknown fd, remove it (for safety)
+				if (uwsgi.wsgi_req == NULL) {
+					close(interesting_fd);
+					continue;
+				}
+
+				// remove all the fd monitors and timeout
+				async_reset_request(uwsgi.wsgi_req);
+				uwsgi.wsgi_req->async_ready_fd = 1;
+				uwsgi.wsgi_req->async_last_ready_fd = interesting_fd;
+
+				// put the request in the runqueue again
+				runqueue_push(uwsgi.wsgi_req);
+			}
+		}
+
+
+		// event queue managed, give cpu to runqueue
+		current_request = uwsgi.async_runqueue;
+
+		while(current_request) {
+
+			// current_request could be nulled on error/end of request
+			struct uwsgi_async_request *next_request = current_request->next;
+
+			uwsgi.wsgi_req = current_request->wsgi_req;
+			uwsgi.schedule_to_req();
+			uwsgi.wsgi_req->switches++;
+
+			// request ended ?
+			if (uwsgi.wsgi_req->async_status <= UWSGI_OK) {
+				// remove from the runqueue
+				runqueue_remove(current_request);
+				// push wsgi_request in the unused stack
+				uwsgi.async_queue_unused_ptr++;
+				uwsgi.async_queue_unused[uwsgi.async_queue_unused_ptr] = uwsgi.wsgi_req;
+
+			}
+			else if (uwsgi.wsgi_req->waiting_fds || uwsgi.wsgi_req->async_timeout) {
+				// remove this request from the runqueue
+				runqueue_remove(current_request);
+			}
+
+			current_request = next_request;
+		}
+
+	}
+
+}

core/buffer.c

@@ -0,0 +1,398 @@
+#include "uwsgi.h"
+
+extern struct uwsgi_server uwsgi;
+
+struct uwsgi_buffer *uwsgi_buffer_new(size_t len) {
+#ifdef UWSGI_DEBUG_BUFFER
+	uwsgi_log("[uwsgi-buffer] allocating a new buffer of %llu\n", (unsigned long long) len);
+#endif
+	struct uwsgi_buffer *ub = uwsgi_calloc(sizeof(struct uwsgi_buffer));
+
+	if (len) {
+		ub->buf = uwsgi_malloc(len);
+		ub->len = len;
+	}
+	return ub;
+
+}
+
+int uwsgi_buffer_fix(struct uwsgi_buffer *ub, size_t len) {
+	if (ub->limit > 0 && len > ub->limit)
+		return -1;
+	if (ub->len < len) {
+		char *new_buf = realloc(ub->buf, len);
+		if (!new_buf) {
+			uwsgi_error("uwsgi_buffer_fix()");
+			return -1;
+		}
+		ub->buf = new_buf;
+		ub->len = len;
+	}
+	return 0;
+}
+
+int uwsgi_buffer_ensure(struct uwsgi_buffer *ub, size_t len) {
+	size_t remains = ub->len - ub->pos;
+	if (remains < len) {
+		size_t new_len = ub->len + (len - remains);
+		if (ub->limit > 0 && new_len > ub->limit) {
+			new_len = ub->limit;
+			if (new_len == ub->len)
+				return -1;
+		}
+		char *new_buf = realloc(ub->buf, new_len);
+		if (!new_buf) {
+			uwsgi_error("uwsgi_buffer_ensure()");
+			return -1;
+		}
+		ub->buf = new_buf;
+		ub->len = new_len;
+	}
+	return 0;
+}
+
+int uwsgi_buffer_insert(struct uwsgi_buffer *ub, size_t pos, char *buf, size_t len) {
+	size_t to_move = (ub->pos-pos);
+	if (uwsgi_buffer_ensure(ub, len)) return -1;
+	memmove(ub->buf+pos+len, ub->buf+pos, to_move);
+	memcpy(ub->buf+pos, buf, len);
+	ub->pos += len;
+	return 0;
+}
+
+int uwsgi_buffer_insert_chunked(struct uwsgi_buffer *ub, size_t pos, size_t len) {
+	// 0xFFFFFFFFFFFFFFFF\r\n\0
+	char chunked[19];
+	int ret = snprintf(chunked, 19, "%X\r\n", (unsigned int) len);
+        if (ret <= 0 || ret > 19) {
+                return -1;
+        }
+	return uwsgi_buffer_insert(ub, pos, chunked, ret);
+}
+
+int uwsgi_buffer_append_chunked(struct uwsgi_buffer *ub, size_t len) {
+        // 0xFFFFFFFFFFFFFFFF\r\n\0
+        char chunked[19];
+        int ret = snprintf(chunked, 19, "%X\r\n", (unsigned int) len);
+        if (ret <= 0 || ret > 19) {
+                return -1;
+        }
+        return uwsgi_buffer_append(ub, chunked, ret);
+}
+
+
+int uwsgi_buffer_decapitate(struct uwsgi_buffer *ub, size_t len) {
+	if (len > ub->pos) return -1;
+	memmove(ub->buf, ub->buf + len, ub->pos-len);
+	ub->pos = ub->pos-len;
+	return 0;
+}
+
+int uwsgi_buffer_byte(struct uwsgi_buffer *ub, char byte) {
+	return uwsgi_buffer_append(ub, &byte, 1);
+}
+
+int uwsgi_buffer_u8(struct uwsgi_buffer *ub, uint8_t u8) {
+	return uwsgi_buffer_append(ub, (char *) &u8, 1);
+}
+
+int uwsgi_buffer_append(struct uwsgi_buffer *ub, char *buf, size_t len) {
+
+	size_t remains = ub->len - ub->pos;
+
+	if (len > remains) {
+		size_t chunk_size = UMAX(len, (size_t) uwsgi.page_size);
+		if (ub->limit > 0 && ub->len + chunk_size > ub->limit) {
+			// retry with another minimal size
+			if (len < (size_t) uwsgi.page_size) {
+				chunk_size = len;
+			}
+			if (ub->len + chunk_size > ub->limit)
+				return -1;
+		}
+		char *new_buf = realloc(ub->buf, ub->len + chunk_size);
+		if (!new_buf) {
+			uwsgi_error("uwsgi_buffer_append()");
+			return -1;
+		}
+		ub->buf = new_buf;
+		ub->len += chunk_size;
+	}
+
+	memcpy(ub->buf + ub->pos, buf, len);
+	ub->pos += len;
+	return 0;
+}
+
+int uwsgi_buffer_append_json(struct uwsgi_buffer *ub, char *buf, size_t len) {
+	// need to escape \ and "
+	size_t i;
+	for(i=0;i<len;i++) {
+		if (buf[i] == '"') {
+			if (uwsgi_buffer_append(ub, "\\\"", 2)) return -1;
+		}
+		else if (buf[i] == '\\') {
+			if (uwsgi_buffer_append(ub, "\\\\", 2)) return -1;
+		}
+		else {
+			if (uwsgi_buffer_append(ub, buf+i, 1)) return -1;
+		}
+	}
+	return 0;
+}
+
+int uwsgi_buffer_u16le(struct uwsgi_buffer *ub, uint16_t num) {
+	uint8_t buf[2];
+	buf[0] = (uint8_t) (num & 0xff);
+        buf[1] = (uint8_t) ((num >> 8) & 0xff);
+	return uwsgi_buffer_append(ub, (char *) buf, 2);
+}
+
+int uwsgi_buffer_u16be(struct uwsgi_buffer *ub, uint16_t num) {
+        uint8_t buf[2];
+        buf[1] = (uint8_t) (num & 0xff);
+        buf[0] = (uint8_t) ((num >> 8) & 0xff);
+        return uwsgi_buffer_append(ub, (char *) buf, 2);
+}
+
+int uwsgi_buffer_u24be(struct uwsgi_buffer *ub, uint32_t num) {
+        uint8_t buf[3];
+        buf[2] = (uint8_t) (num & 0xff);
+        buf[1] = (uint8_t) ((num >> 8) & 0xff);
+        buf[0] = (uint8_t) ((num >> 16) & 0xff);
+        return uwsgi_buffer_append(ub, (char *) buf, 3);
+}
+
+int uwsgi_buffer_u32be(struct uwsgi_buffer *ub, uint32_t num) {
+        uint8_t buf[4];
+        buf[3] = (uint8_t) (num & 0xff);
+        buf[2] = (uint8_t) ((num >> 8) & 0xff);
+        buf[1] = (uint8_t) ((num >> 16) & 0xff);
+        buf[0] = (uint8_t) ((num >> 24) & 0xff);
+        return uwsgi_buffer_append(ub, (char *) buf, 4);
+}
+
+int uwsgi_buffer_f32be(struct uwsgi_buffer *ub, float num) {
+        uint8_t buf[4];
+	uint32_t *pnum = (uint32_t *) &num;
+        buf[3] = (uint8_t) (*pnum & 0xff);
+        buf[2] = (uint8_t) ((*pnum >> 8) & 0xff);
+        buf[1] = (uint8_t) ((*pnum >> 16) & 0xff);
+        buf[0] = (uint8_t) ((*pnum >> 24) & 0xff);
+        return uwsgi_buffer_append(ub, (char *) buf, 4);
+}
+
+int uwsgi_buffer_u32le(struct uwsgi_buffer *ub, uint32_t num) {
+        uint8_t buf[4];
+        buf[0] = (uint8_t) (num & 0xff);
+        buf[1] = (uint8_t) ((num >> 8) & 0xff);
+        buf[2] = (uint8_t) ((num >> 16) & 0xff);
+        buf[3] = (uint8_t) ((num >> 24) & 0xff);
+        return uwsgi_buffer_append(ub, (char *) buf, 4);
+}
+
+int uwsgi_buffer_u64be(struct uwsgi_buffer *ub, uint64_t num) {
+        uint8_t buf[8];
+        buf[7] = (uint8_t) (num & 0xff);
+        buf[6] = (uint8_t) ((num >> 8) & 0xff);
+        buf[5] = (uint8_t) ((num >> 16) & 0xff);
+        buf[4] = (uint8_t) ((num >> 24) & 0xff);
+        buf[3] = (uint8_t) ((num >> 32) & 0xff);
+        buf[2] = (uint8_t) ((num >> 40) & 0xff);
+        buf[1] = (uint8_t) ((num >> 48) & 0xff);
+        buf[0] = (uint8_t) ((num >> 56) & 0xff);
+        return uwsgi_buffer_append(ub, (char *) buf, 8);
+}
+
+
+int uwsgi_buffer_f64be(struct uwsgi_buffer *ub, double num) {
+        uint8_t buf[8];
+	uint64_t *pnum = (uint64_t *) &num;
+        buf[7] = (uint8_t) (*pnum & 0xff);
+        buf[6] = (uint8_t) ((*pnum >> 8) & 0xff);
+        buf[5] = (uint8_t) ((*pnum >> 16) & 0xff);
+        buf[4] = (uint8_t) ((*pnum >> 24) & 0xff);
+        buf[3] = (uint8_t) ((*pnum >> 32) & 0xff);
+        buf[2] = (uint8_t) ((*pnum >> 40) & 0xff);
+        buf[1] = (uint8_t) ((*pnum >> 48) & 0xff);
+        buf[0] = (uint8_t) ((*pnum >> 56) & 0xff);
+        return uwsgi_buffer_append(ub, (char *) buf, 8);
+}
+
+int uwsgi_buffer_append_ipv4(struct uwsgi_buffer *ub, void *addr) {
+	char ip[INET_ADDRSTRLEN];
+	if (!inet_ntop(AF_INET, addr, ip, INET_ADDRSTRLEN)) {
+		uwsgi_error("uwsgi_buffer_append_ipv4() -> inet_ntop()");
+		return -1;
+	}
+	return uwsgi_buffer_append(ub, ip, strlen(ip));
+}
+
+
+int uwsgi_buffer_num64(struct uwsgi_buffer *ub, int64_t num) {
+	char buf[sizeof(UMAX64_STR)+1];
+	int ret = snprintf(buf, sizeof(UMAX64_STR)+1, "%lld", (long long) num);
+	if (ret <= 0 || ret > (int) (sizeof(UMAX64_STR)+1)) {
+		return -1;
+	}
+	return uwsgi_buffer_append(ub, buf, ret);
+}
+
+int uwsgi_buffer_append_keyval(struct uwsgi_buffer *ub, char *key, uint16_t keylen, char *val, uint16_t vallen) {
+	if (uwsgi_buffer_u16le(ub, keylen)) return -1;
+	if (uwsgi_buffer_append(ub, key, keylen)) return -1;
+	if (uwsgi_buffer_u16le(ub, vallen)) return -1;
+	return uwsgi_buffer_append(ub, val, vallen);
+}
+
+int uwsgi_buffer_append_keyval32(struct uwsgi_buffer *ub, char *key, uint32_t keylen, char *val, uint32_t vallen) {
+        if (uwsgi_buffer_u32be(ub, keylen)) return -1;
+        if (uwsgi_buffer_append(ub, key, keylen)) return -1;
+        if (uwsgi_buffer_u32be(ub, vallen)) return -1;
+        return uwsgi_buffer_append(ub, val, vallen);
+}
+
+int uwsgi_buffer_append_keynum(struct uwsgi_buffer *ub, char *key, uint16_t keylen, int64_t num) {
+	char buf[sizeof(UMAX64_STR)+1];
+        int ret = snprintf(buf, (sizeof(UMAX64_STR)+1), "%lld", (long long) num);
+        if (ret <= 0 || ret > (int) (sizeof(UMAX64_STR)+1)) {
+                return -1;
+        }
+	if (uwsgi_buffer_u16le(ub, keylen)) return -1;
+	if (uwsgi_buffer_append(ub, key, keylen)) return -1;
+	if (uwsgi_buffer_u16le(ub, ret)) return -1;
+	return uwsgi_buffer_append(ub, buf, ret);
+}
+
+int uwsgi_buffer_append_valnum(struct uwsgi_buffer *ub, int64_t num) {
+        char buf[sizeof(UMAX64_STR)+1];
+        int ret = snprintf(buf, (sizeof(UMAX64_STR)+1), "%lld", (long long) num);
+        if (ret <= 0 || ret > (int) (sizeof(UMAX64_STR)+1)) {
+                return -1;
+        }
+        if (uwsgi_buffer_u16le(ub, ret)) return -1;
+        return uwsgi_buffer_append(ub, buf, ret);
+}
+
+
+int uwsgi_buffer_append_keyipv4(struct uwsgi_buffer *ub, char *key, uint16_t keylen, void *addr) {
+        if (uwsgi_buffer_u16le(ub, keylen)) return -1;
+        if (uwsgi_buffer_append(ub, key, keylen)) return -1;
+        if (uwsgi_buffer_u16le(ub, 15)) return -1;
+	char *ptr = ub->buf + (ub->pos - 2);
+        if (uwsgi_buffer_append_ipv4(ub, addr)) return -1;
+	// fix the size
+	*ptr = ((ub->buf+ub->pos) - (ptr+2));
+	return 0;
+}
+
+int uwsgi_buffer_append_base64(struct uwsgi_buffer *ub, char *s, size_t len) {
+	size_t b64_len = 0;
+	char *b64 = uwsgi_base64_encode(s, len, &b64_len);
+	if (!b64) return -1;
+	int ret = uwsgi_buffer_append(ub, b64, b64_len);
+	free(b64);
+	return ret;
+}
+
+
+void uwsgi_buffer_destroy(struct uwsgi_buffer *ub) {
+#ifdef UWSGI_DEBUG_BUFFER
+	uwsgi_log("[uwsgi-buffer] destroying buffer of %llu bytes\n", (unsigned long long) ub->len);
+	if (ub->freed) {
+		uwsgi_log("[uwsgi-buffer][BUG] buffer at %p already destroyed !!!\n", ub);
+	}
+	ub->freed = 1;
+#endif
+	if (ub->buf)
+		free(ub->buf);
+	free(ub);
+}
+
+ssize_t uwsgi_buffer_write_simple(struct wsgi_request *wsgi_req, struct uwsgi_buffer *ub) {
+	size_t remains = ub->pos;
+	while(remains) {
+		ssize_t len = write(wsgi_req->fd, ub->buf + (ub->pos - remains), remains);
+		if (len <= 0) {
+			return len;
+		}
+		remains -= len;
+	}
+
+	return ub->pos;
+}
+
+int uwsgi_buffer_send(struct uwsgi_buffer *ub, int fd) {
+	size_t remains = ub->pos;
+	char *ptr = ub->buf;
+
+	while (remains > 0) {
+		int ret = uwsgi_waitfd_write(fd, uwsgi.shared->options[UWSGI_OPTION_SOCKET_TIMEOUT]);
+		if (ret > 0) {
+			ssize_t len = write(fd, ptr, remains);
+			if (len > 0) {
+				ptr += len;
+				remains -= len;
+			}
+			else if (len == 0) {
+				return -1;
+			}
+			else {
+				uwsgi_error("uwsgi_buffer_send()");
+				return -1;
+			}
+		}
+		else if (ret == 0) {
+			uwsgi_log("timeout while sending buffer !!!\n");
+			return -1;
+		}
+		else {
+			return -1;
+		}
+	}
+
+	return 0;
+}
+
+int uwsgi_buffer_set_uh(struct uwsgi_buffer *ub, uint8_t modifier1, uint8_t modifier2) {
+	if (ub->pos < 4) return -1;
+	ub->buf[0] = modifier1;
+	ub->buf[1] = (uint8_t) ((ub->pos - 4) & 0xff);
+	ub->buf[2] = (uint8_t) (((ub->pos - 4) >> 8) & 0xff);
+	ub->buf[3] = modifier2;
+	return 0;
+}
+
+struct uwsgi_buffer *uwsgi_buffer_from_file(char *filename) {
+	struct stat st;
+        int fd = open(filename, O_RDONLY);
+        if (fd < 0) {
+		return NULL;
+        }
+
+        if (fstat(fd, &st)) {
+                close(fd);
+		return NULL;
+        }
+
+        struct uwsgi_buffer *ub = uwsgi_buffer_new(st.st_size);
+
+        ssize_t len = read(fd, ub->buf, st.st_size);
+	close(fd);
+        if (len != st.st_size) {
+		uwsgi_buffer_destroy(ub);
+		return NULL;
+        }
+
+	ub->pos = len;
+	return ub;
+}
+
+void uwsgi_buffer_map(struct uwsgi_buffer *ub, char *buf, size_t len) {
+	if (ub->buf) {
+		free(ub->buf);
+	}
+	ub->buf = buf;
+	ub->pos = len;
+	ub->len = len;
+}