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Willy Tarreaubaaee002006-06-26 02:48:02 +02001/*
2 * HA-Proxy : High Availability-enabled HTTP/TCP proxy
Willy Tarreau289dd922013-04-03 02:26:31 +02003 * Copyright 2000-2013 Willy Tarreau <w@1wt.eu>.
Willy Tarreaubaaee002006-06-26 02:48:02 +02004 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version
8 * 2 of the License, or (at your option) any later version.
9 *
10 * Please refer to RFC2068 or RFC2616 for informations about HTTP protocol, and
11 * RFC2965 for informations about cookies usage. More generally, the IETF HTTP
12 * Working Group's web site should be consulted for protocol related changes :
13 *
14 * http://ftp.ics.uci.edu/pub/ietf/http/
15 *
16 * Pending bugs (may be not fixed because never reproduced) :
17 * - solaris only : sometimes, an HTTP proxy with only a dispatch address causes
18 * the proxy to terminate (no core) if the client breaks the connection during
19 * the response. Seen on 1.1.8pre4, but never reproduced. May not be related to
20 * the snprintf() bug since requests were simple (GET / HTTP/1.0), but may be
21 * related to missing setsid() (fixed in 1.1.15)
22 * - a proxy with an invalid config will prevent the startup even if disabled.
23 *
24 * ChangeLog has moved to the CHANGELOG file.
25 *
Willy Tarreaubaaee002006-06-26 02:48:02 +020026 */
27
28#include <stdio.h>
29#include <stdlib.h>
30#include <unistd.h>
31#include <string.h>
32#include <ctype.h>
33#include <sys/time.h>
34#include <sys/types.h>
35#include <sys/socket.h>
36#include <netinet/tcp.h>
37#include <netinet/in.h>
38#include <arpa/inet.h>
39#include <netdb.h>
40#include <fcntl.h>
41#include <errno.h>
42#include <signal.h>
43#include <stdarg.h>
44#include <sys/resource.h>
Marc-Antoine Perennou992709b2013-02-12 10:53:52 +010045#include <sys/wait.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020046#include <time.h>
47#include <syslog.h>
Michael Schererab012dd2013-01-12 18:35:19 +010048#include <grp.h>
Willy Tarreaufc6c0322012-11-16 16:12:27 +010049#ifdef USE_CPU_AFFINITY
50#define __USE_GNU
51#include <sched.h>
52#undef __USE_GNU
53#endif
Willy Tarreaubaaee002006-06-26 02:48:02 +020054
55#ifdef DEBUG_FULL
56#include <assert.h>
57#endif
58
Willy Tarreau2dd0d472006-06-29 17:53:05 +020059#include <common/appsession.h>
60#include <common/base64.h>
61#include <common/cfgparse.h>
Willy Tarreauc7e42382012-08-24 19:22:53 +020062#include <common/chunk.h>
Willy Tarreau2dd0d472006-06-29 17:53:05 +020063#include <common/compat.h>
64#include <common/config.h>
65#include <common/defaults.h>
Willy Tarreaud740bab2007-10-28 11:14:07 +010066#include <common/errors.h>
Willy Tarreau2dd0d472006-06-29 17:53:05 +020067#include <common/memory.h>
68#include <common/mini-clist.h>
69#include <common/regex.h>
70#include <common/standard.h>
71#include <common/time.h>
72#include <common/uri_auth.h>
73#include <common/version.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020074
75#include <types/capture.h>
76#include <types/global.h>
Simon Hormanac821422011-07-15 13:14:09 +090077#include <types/proto_tcp.h>
78#include <types/acl.h>
Willy Tarreau3c63fd82011-09-07 18:00:47 +020079#include <types/peers.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020080
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +010081#include <proto/auth.h>
Willy Tarreau0fc45a72007-06-17 00:36:03 +020082#include <proto/acl.h>
Willy Tarreau2e845be2012-10-19 19:49:09 +020083#include <proto/arg.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020084#include <proto/backend.h>
Willy Tarreauc7e42382012-08-24 19:22:53 +020085#include <proto/channel.h>
Krzysztof Oledzkib304dc72007-10-14 23:40:01 +020086#include <proto/checks.h>
Willy Tarreauf2943dc2012-10-26 20:10:28 +020087#include <proto/connection.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020088#include <proto/fd.h>
Willy Tarreau34eb6712011-10-24 18:15:04 +020089#include <proto/hdr_idx.h>
Willy Tarreaud1d54542012-09-12 22:58:11 +020090#include <proto/listener.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020091#include <proto/log.h>
Willy Tarreaud1d54542012-09-12 22:58:11 +020092#include <proto/protocol.h>
Willy Tarreau80587432006-12-24 17:47:20 +010093#include <proto/proto_http.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020094#include <proto/proxy.h>
95#include <proto/queue.h>
96#include <proto/server.h>
Willy Tarreauc6ca1a02007-05-13 19:43:47 +020097#include <proto/session.h>
Willy Tarreau29857942009-05-10 09:01:21 +020098#include <proto/signal.h>
Willy Tarreaubaaee002006-06-26 02:48:02 +020099#include <proto/task.h>
100
Willy Tarreaub38651a2007-03-24 17:24:39 +0100101#ifdef CONFIG_HAP_CTTPROXY
102#include <proto/cttproxy.h>
103#endif
104
Emeric Brunfc0421f2012-09-07 17:30:07 +0200105#ifdef USE_OPENSSL
106#include <proto/ssl_sock.h>
107#endif
108
Willy Tarreaubaaee002006-06-26 02:48:02 +0200109/*********************************************************************/
110
Cyril Bonté6162c432012-11-10 19:27:47 +0100111extern const struct comp_algo comp_algos[];
112
Willy Tarreaubaaee002006-06-26 02:48:02 +0200113/*********************************************************************/
114
Willy Tarreau477ecd82010-01-03 21:12:30 +0100115/* list of config files */
116static struct list cfg_cfgfiles = LIST_HEAD_INIT(cfg_cfgfiles);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200117int pid; /* current process id */
Willy Tarreau28156642007-11-26 16:13:36 +0100118int relative_pid = 1; /* process id starting at 1 */
Willy Tarreaubaaee002006-06-26 02:48:02 +0200119
120/* global options */
121struct global global = {
Willy Tarreau247a13a2012-11-15 17:38:15 +0100122 .nbproc = 1,
William Lallemand5f232402012-04-05 18:02:55 +0200123 .req_count = 0,
William Lallemand0f99e342011-10-12 17:50:54 +0200124 .logsrvs = LIST_HEAD_INIT(global.logsrvs),
Willy Tarreau96aa6b32012-11-12 15:52:53 +0100125#ifdef DEFAULT_MAXZLIBMEM
Willy Tarreau5a940372012-12-03 12:10:45 +0100126 .maxzlibmem = DEFAULT_MAXZLIBMEM * 1024U * 1024U,
Willy Tarreau96aa6b32012-11-12 15:52:53 +0100127#else
William Lallemand9d5f5482012-11-07 16:12:57 +0100128 .maxzlibmem = 0,
Willy Tarreau96aa6b32012-11-12 15:52:53 +0100129#endif
William Lallemandd85f9172012-11-09 17:05:39 +0100130 .comp_rate_lim = 0,
Emeric Bruned760922010-10-22 17:59:25 +0200131 .unix_bind = {
132 .ux = {
133 .uid = -1,
134 .gid = -1,
135 .mode = 0,
136 }
137 },
Willy Tarreau27a674e2009-08-17 07:23:33 +0200138 .tune = {
139 .bufsize = BUFSIZE,
140 .maxrewrite = MAXREWRITE,
Willy Tarreau43961d52010-10-04 20:39:20 +0200141 .chksize = BUFSIZE,
Emeric Brunfc32aca2012-09-03 12:10:29 +0200142#ifdef USE_OPENSSL
Emeric Brun46635772012-11-14 11:32:56 +0100143 .sslcachesize = SSLCACHESIZE,
Emeric Brunfc32aca2012-09-03 12:10:29 +0200144#endif
William Lallemanda509e4c2012-11-07 16:54:34 +0100145#ifdef USE_ZLIB
146 .zlibmemlevel = 8,
147 .zlibwindowsize = MAX_WBITS,
148#endif
William Lallemandf3747832012-11-09 12:33:10 +0100149 .comp_maxlevel = 1,
William Lallemanda509e4c2012-11-07 16:54:34 +0100150
151
Willy Tarreau27a674e2009-08-17 07:23:33 +0200152 },
Emeric Brun76d88952012-10-05 15:47:31 +0200153#ifdef USE_OPENSSL
154#ifdef DEFAULT_MAXSSLCONN
Willy Tarreau403edff2012-09-06 11:58:37 +0200155 .maxsslconn = DEFAULT_MAXSSLCONN,
156#endif
Emeric Brun76d88952012-10-05 15:47:31 +0200157#ifdef LISTEN_DEFAULT_CIPHERS
158 .listen_default_ciphers = LISTEN_DEFAULT_CIPHERS,
159#endif
160#ifdef CONNECT_DEFAULT_CIPHERS
161 .connect_default_ciphers = CONNECT_DEFAULT_CIPHERS,
162#endif
163#endif
Willy Tarreaubaaee002006-06-26 02:48:02 +0200164 /* others NULL OK */
165};
166
167/*********************************************************************/
168
169int stopping; /* non zero means stopping in progress */
Willy Tarreauaf7ad002010-08-31 15:39:26 +0200170int jobs = 0; /* number of active jobs (conns, listeners, active tasks, ...) */
Willy Tarreaubaaee002006-06-26 02:48:02 +0200171
172/* Here we store informations about the pids of the processes we may pause
173 * or kill. We will send them a signal every 10 ms until we can bind to all
174 * our ports. With 200 retries, that's about 2 seconds.
175 */
176#define MAX_START_RETRIES 200
Willy Tarreaubaaee002006-06-26 02:48:02 +0200177static int *oldpids = NULL;
178static int oldpids_sig; /* use USR1 or TERM */
179
180/* this is used to drain data, and as a temporary buffer for sprintf()... */
Willy Tarreau19d14ef2012-10-29 16:51:55 +0100181struct chunk trash = { };
Willy Tarreaubaaee002006-06-26 02:48:02 +0200182
Willy Tarreau8096de92010-02-26 11:12:27 +0100183/* this buffer is always the same size as standard buffers and is used for
184 * swapping data inside a buffer.
185 */
186char *swap_buffer = NULL;
187
Willy Tarreaubb545b42010-08-25 12:58:59 +0200188int nb_oldpids = 0;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200189const int zero = 0;
190const int one = 1;
Alexandre Cassen87ea5482007-10-11 20:48:58 +0200191const struct linger nolinger = { .l_onoff = 1, .l_linger = 0 };
Willy Tarreaubaaee002006-06-26 02:48:02 +0200192
Willy Tarreau1d21e0a2010-03-12 21:58:54 +0100193char hostname[MAX_HOSTNAME_LEN];
Emeric Brun2b920a12010-09-23 18:30:22 +0200194char localpeer[MAX_HOSTNAME_LEN];
Willy Tarreaubaaee002006-06-26 02:48:02 +0200195
Willy Tarreau08ceb102011-07-24 22:58:00 +0200196/* list of the temporarily limited listeners because of lack of resource */
197struct list global_listener_queue = LIST_HEAD_INIT(global_listener_queue);
Willy Tarreaue9b26022011-08-01 20:57:55 +0200198struct task *global_listener_queue_task;
199static struct task *manage_global_listener_queue(struct task *t);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200200
201/*********************************************************************/
202/* general purpose functions ***************************************/
203/*********************************************************************/
204
205void display_version()
206{
207 printf("HA-Proxy version " HAPROXY_VERSION " " HAPROXY_DATE"\n");
Willy Tarreau289dd922013-04-03 02:26:31 +0200208 printf("Copyright 2000-2013 Willy Tarreau <w@1wt.eu>\n\n");
Willy Tarreaubaaee002006-06-26 02:48:02 +0200209}
210
Willy Tarreau7b066db2007-12-02 11:28:59 +0100211void display_build_opts()
212{
213 printf("Build options :"
214#ifdef BUILD_TARGET
Willy Tarreau9f2b7302008-01-02 20:48:34 +0100215 "\n TARGET = " BUILD_TARGET
Willy Tarreau7b066db2007-12-02 11:28:59 +0100216#endif
217#ifdef BUILD_CPU
Willy Tarreau9f2b7302008-01-02 20:48:34 +0100218 "\n CPU = " BUILD_CPU
Willy Tarreau7b066db2007-12-02 11:28:59 +0100219#endif
220#ifdef BUILD_CC
Willy Tarreau9f2b7302008-01-02 20:48:34 +0100221 "\n CC = " BUILD_CC
222#endif
223#ifdef BUILD_CFLAGS
224 "\n CFLAGS = " BUILD_CFLAGS
Willy Tarreau7b066db2007-12-02 11:28:59 +0100225#endif
Willy Tarreau9f2b7302008-01-02 20:48:34 +0100226#ifdef BUILD_OPTIONS
227 "\n OPTIONS = " BUILD_OPTIONS
Willy Tarreau7b066db2007-12-02 11:28:59 +0100228#endif
Willy Tarreau27a674e2009-08-17 07:23:33 +0200229 "\n\nDefault settings :"
230 "\n maxconn = %d, bufsize = %d, maxrewrite = %d, maxpollevents = %d"
231 "\n\n",
232 DEFAULT_MAXCONN, BUFSIZE, MAXREWRITE, MAX_POLL_EVENTS);
Willy Tarreaube5b6852009-10-03 18:57:08 +0200233
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +0100234 printf("Encrypted password support via crypt(3): "
235#ifdef CONFIG_HAP_CRYPT
236 "yes"
237#else
238 "no"
239#endif
240 "\n");
241
Cyril Bonté6162c432012-11-10 19:27:47 +0100242#ifdef USE_ZLIB
243 printf("Built with zlib version : " ZLIB_VERSION "\n");
244#else /* USE_ZLIB */
245 printf("Built without zlib support (USE_ZLIB not set)\n");
246#endif
247 printf("Compression algorithms supported :");
248 {
249 int i;
250
251 for (i = 0; comp_algos[i].name; i++) {
252 printf("%s %s", (i == 0 ? "" : ","), comp_algos[i].name);
253 }
254 if (i == 0) {
255 printf("none");
256 }
257 }
258 printf("\n");
259
Willy Tarreau1ee0e302012-09-10 07:16:05 +0200260#ifdef USE_OPENSSL
261 printf("Built with OpenSSL version : " OPENSSL_VERSION_TEXT "\n");
Willy Tarreau0cff0db2013-04-26 18:16:13 +0200262 printf("Running on OpenSSL version : %s%s\n",
263 SSLeay_version(SSLEAY_VERSION),
264 ((OPENSSL_VERSION_NUMBER ^ SSLeay()) >> 8) ? " (VERSIONS DIFFER!)" : "");
Willy Tarreau1ee0e302012-09-10 07:16:05 +0200265 printf("OpenSSL library supports TLS extensions : "
266#if OPENSSL_VERSION_NUMBER < 0x00907000L
267 "no (library version too old)"
268#elif defined(OPENSSL_NO_TLSEXT)
269 "no (disabled via OPENSSL_NO_TLSEXT)"
270#else
271 "yes"
272#endif
273 "\n");
274 printf("OpenSSL library supports SNI : "
275#ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME
276 "yes"
277#else
278#ifdef OPENSSL_NO_TLSEXT
279 "no (because of OPENSSL_NO_TLSEXT)"
280#else
281 "no (version might be too old, 0.9.8f min needed)"
282#endif
283#endif
284 "\n");
285 printf("OpenSSL library supports prefer-server-ciphers : "
286#ifdef SSL_OP_CIPHER_SERVER_PREFERENCE
287 "yes"
288#else
289 "no (0.9.7 or later needed)"
290#endif
291 "\n");
292#else /* USE_OPENSSL */
293 printf("Built without OpenSSL support (USE_OPENSSL not set)\n");
294#endif
Lukas Tribusea68d362013-04-04 12:24:16 +0200295
296#ifdef USE_PCRE
297 printf("Built with PCRE version : %s", pcre_version());
Lukas Tribusd9bdccd2013-04-15 00:41:40 +0200298 printf("\nPCRE library supports JIT : ");
299#ifdef USE_PCRE_JIT
300 {
301 int r;
302 pcre_config(PCRE_CONFIG_JIT, &r);
303 if (r)
304 printf("yes");
305 else
306 printf("no (libpcre build without JIT?)");
307 }
Lukas Tribusea68d362013-04-04 12:24:16 +0200308#else
Lukas Tribusd9bdccd2013-04-15 00:41:40 +0200309 printf("no (USE_PCRE_JIT not set)");
Lukas Tribusea68d362013-04-04 12:24:16 +0200310#endif
Lukas Tribusd9bdccd2013-04-15 00:41:40 +0200311 printf("\n");
Lukas Tribusea68d362013-04-04 12:24:16 +0200312#else
313 printf("Built without PCRE support (using libc's regex instead)\n");
314#endif
315
Pieter Baauwd551fb52013-05-08 22:49:23 +0200316#if defined(CONFIG_HAP_TRANSPARENT) || defined(CONFIG_HAP_CTTPROXY)
317 printf("Built with transparent proxy support using:"
318#if defined(CONFIG_HAP_CTTPROXY)
319 " CTTPROXY"
320#endif
321#if defined(IP_TRANSPARENT)
322 " IP_TRANSPARENT"
323#endif
324#if defined(IPV6_TRANSPARENT)
325 " IPV6_TRANSPARENT"
326#endif
327#if defined(IP_FREEBIND)
328 " IP_FREEBIND"
329#endif
Pieter Baauwff30b662013-05-08 23:22:39 +0200330#if defined(IP_BINDANY)
331 " IP_BINDANY"
332#endif
333#if defined(IPV6_BINDANY)
334 " IPV6_BINDANY"
335#endif
Pieter Baauw1eb75922013-05-08 23:30:23 +0200336#if defined(SO_BINDANY)
337 " SO_BINDANY"
338#endif
Pieter Baauwd551fb52013-05-08 22:49:23 +0200339 "\n");
340#endif
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +0100341 putchar('\n');
342
Willy Tarreaube5b6852009-10-03 18:57:08 +0200343 list_pollers(stdout);
344 putchar('\n');
Willy Tarreau7b066db2007-12-02 11:28:59 +0100345}
346
Willy Tarreaubaaee002006-06-26 02:48:02 +0200347/*
348 * This function prints the command line usage and exits
349 */
350void usage(char *name)
351{
352 display_version();
353 fprintf(stderr,
Willy Tarreau5d01a632009-06-22 16:02:30 +0200354 "Usage : %s [-f <cfgfile>]* [ -vdV"
Willy Tarreaubaaee002006-06-26 02:48:02 +0200355 "D ] [ -n <maxconn> ] [ -N <maxpconn> ]\n"
Willy Tarreau576132e2011-09-10 19:26:56 +0200356 " [ -p <pidfile> ] [ -m <max megs> ] [ -C <dir> ]\n"
Willy Tarreau7b066db2007-12-02 11:28:59 +0100357 " -v displays version ; -vv shows known build options.\n"
Willy Tarreaubaaee002006-06-26 02:48:02 +0200358 " -d enters debug mode ; -db only disables background mode.\n"
Willy Tarreau6e064432012-05-08 15:40:42 +0200359 " -dM[<byte>] poisons memory with <byte> (defaults to 0x50)\n"
Willy Tarreaubaaee002006-06-26 02:48:02 +0200360 " -V enters verbose mode (disables quiet mode)\n"
Willy Tarreau576132e2011-09-10 19:26:56 +0200361 " -D goes daemon ; -C changes to <dir> before loading files.\n"
Willy Tarreaubaaee002006-06-26 02:48:02 +0200362 " -q quiet mode : don't display messages\n"
Willy Tarreau5d01a632009-06-22 16:02:30 +0200363 " -c check mode : only check config files and exit\n"
Willy Tarreaubaaee002006-06-26 02:48:02 +0200364 " -n sets the maximum total # of connections (%d)\n"
365 " -m limits the usable amount of memory (in MB)\n"
366 " -N sets the default, per-proxy maximum # of connections (%d)\n"
Emeric Brun2b920a12010-09-23 18:30:22 +0200367 " -L set local peer name (default to hostname)\n"
Willy Tarreaubaaee002006-06-26 02:48:02 +0200368 " -p writes pids of all children to this file\n"
369#if defined(ENABLE_EPOLL)
370 " -de disables epoll() usage even when available\n"
371#endif
Willy Tarreau1e63130a2007-04-09 12:03:06 +0200372#if defined(ENABLE_KQUEUE)
373 " -dk disables kqueue() usage even when available\n"
374#endif
Willy Tarreaubaaee002006-06-26 02:48:02 +0200375#if defined(ENABLE_POLL)
376 " -dp disables poll() usage even when available\n"
377#endif
Willy Tarreaub55932d2009-08-16 13:20:32 +0200378#if defined(CONFIG_HAP_LINUX_SPLICE)
Willy Tarreau3ab68cf2009-01-25 16:03:28 +0100379 " -dS disables splice usage (broken on old kernels)\n"
380#endif
Willy Tarreaubaaee002006-06-26 02:48:02 +0200381 " -sf/-st [pid ]* finishes/terminates old pids. Must be last arguments.\n"
382 "\n",
383 name, DEFAULT_MAXCONN, cfg_maxpconn);
384 exit(1);
385}
386
387
388
389/*********************************************************************/
390/* more specific functions ***************************************/
391/*********************************************************************/
392
393/*
Willy Tarreaud0807c32010-08-27 18:26:11 +0200394 * upon SIGUSR1, let's have a soft stop. Note that soft_stop() broadcasts
395 * a signal zero to all subscribers. This means that it's as easy as
396 * subscribing to signal 0 to get informed about an imminent shutdown.
Willy Tarreaubaaee002006-06-26 02:48:02 +0200397 */
Willy Tarreau24f4efa2010-08-27 17:56:48 +0200398void sig_soft_stop(struct sig_handler *sh)
Willy Tarreaubaaee002006-06-26 02:48:02 +0200399{
400 soft_stop();
Willy Tarreau24f4efa2010-08-27 17:56:48 +0200401 signal_unregister_handler(sh);
Willy Tarreau4d2d0982007-05-14 00:39:29 +0200402 pool_gc2();
Willy Tarreaubaaee002006-06-26 02:48:02 +0200403}
404
405/*
406 * upon SIGTTOU, we pause everything
407 */
Willy Tarreau24f4efa2010-08-27 17:56:48 +0200408void sig_pause(struct sig_handler *sh)
Willy Tarreaubaaee002006-06-26 02:48:02 +0200409{
410 pause_proxies();
Willy Tarreau4d2d0982007-05-14 00:39:29 +0200411 pool_gc2();
Willy Tarreaubaaee002006-06-26 02:48:02 +0200412}
413
414/*
415 * upon SIGTTIN, let's have a soft stop.
416 */
Willy Tarreau24f4efa2010-08-27 17:56:48 +0200417void sig_listen(struct sig_handler *sh)
Willy Tarreaubaaee002006-06-26 02:48:02 +0200418{
Willy Tarreaube58c382011-07-24 18:28:10 +0200419 resume_proxies();
Willy Tarreaubaaee002006-06-26 02:48:02 +0200420}
421
422/*
423 * this function dumps every server's state when the process receives SIGHUP.
424 */
Willy Tarreau24f4efa2010-08-27 17:56:48 +0200425void sig_dump_state(struct sig_handler *sh)
Willy Tarreaubaaee002006-06-26 02:48:02 +0200426{
427 struct proxy *p = proxy;
428
429 Warning("SIGHUP received, dumping servers states.\n");
430 while (p) {
431 struct server *s = p->srv;
432
433 send_log(p, LOG_NOTICE, "SIGHUP received, dumping servers states for proxy %s.\n", p->id);
434 while (s) {
Willy Tarreau19d14ef2012-10-29 16:51:55 +0100435 chunk_printf(&trash,
436 "SIGHUP: Server %s/%s is %s. Conn: %d act, %d pend, %lld tot.",
437 p->id, s->id,
438 (s->state & SRV_RUNNING) ? "UP" : "DOWN",
439 s->cur_sess, s->nbpend, s->counters.cum_sess);
440 Warning("%s\n", trash.str);
441 send_log(p, LOG_NOTICE, "%s\n", trash.str);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200442 s = s->next;
443 }
444
Willy Tarreau5fcc8f12007-09-17 11:27:09 +0200445 /* FIXME: those info are a bit outdated. We should be able to distinguish between FE and BE. */
446 if (!p->srv) {
Willy Tarreau19d14ef2012-10-29 16:51:55 +0100447 chunk_printf(&trash,
448 "SIGHUP: Proxy %s has no servers. Conn: act(FE+BE): %d+%d, %d pend (%d unass), tot(FE+BE): %lld+%lld.",
449 p->id,
450 p->feconn, p->beconn, p->totpend, p->nbpend, p->fe_counters.cum_conn, p->be_counters.cum_conn);
Willy Tarreau5fcc8f12007-09-17 11:27:09 +0200451 } else if (p->srv_act == 0) {
Willy Tarreau19d14ef2012-10-29 16:51:55 +0100452 chunk_printf(&trash,
453 "SIGHUP: Proxy %s %s ! Conn: act(FE+BE): %d+%d, %d pend (%d unass), tot(FE+BE): %lld+%lld.",
454 p->id,
455 (p->srv_bck) ? "is running on backup servers" : "has no server available",
456 p->feconn, p->beconn, p->totpend, p->nbpend, p->fe_counters.cum_conn, p->be_counters.cum_conn);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200457 } else {
Willy Tarreau19d14ef2012-10-29 16:51:55 +0100458 chunk_printf(&trash,
459 "SIGHUP: Proxy %s has %d active servers and %d backup servers available."
460 " Conn: act(FE+BE): %d+%d, %d pend (%d unass), tot(FE+BE): %lld+%lld.",
461 p->id, p->srv_act, p->srv_bck,
462 p->feconn, p->beconn, p->totpend, p->nbpend, p->fe_counters.cum_conn, p->be_counters.cum_conn);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200463 }
Willy Tarreau19d14ef2012-10-29 16:51:55 +0100464 Warning("%s\n", trash.str);
465 send_log(p, LOG_NOTICE, "%s\n", trash.str);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200466
467 p = p->next;
468 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200469}
470
Willy Tarreau24f4efa2010-08-27 17:56:48 +0200471void dump(struct sig_handler *sh)
Willy Tarreaubaaee002006-06-26 02:48:02 +0200472{
Willy Tarreauc6ca1a02007-05-13 19:43:47 +0200473 /* dump memory usage then free everything possible */
474 dump_pools();
475 pool_gc2();
Willy Tarreaubaaee002006-06-26 02:48:02 +0200476}
477
Willy Tarreaubaaee002006-06-26 02:48:02 +0200478/*
479 * This function initializes all the necessary variables. It only returns
480 * if everything is OK. If something fails, it exits.
481 */
482void init(int argc, char **argv)
483{
Willy Tarreaubaaee002006-06-26 02:48:02 +0200484 int arg_mode = 0; /* MODE_DEBUG, ... */
Willy Tarreaubaaee002006-06-26 02:48:02 +0200485 char *tmp;
486 char *cfg_pidfile = NULL;
Willy Tarreau058e9072009-07-20 09:30:05 +0200487 int err_code = 0;
Willy Tarreau477ecd82010-01-03 21:12:30 +0100488 struct wordlist *wl;
Kevinm48936af2010-12-22 16:08:21 +0000489 char *progname;
Willy Tarreau576132e2011-09-10 19:26:56 +0200490 char *change_dir = NULL;
Yuxans Yao4e25b012012-10-19 10:36:09 +0800491 struct tm curtime;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200492
Willy Tarreau19d14ef2012-10-29 16:51:55 +0100493 chunk_init(&trash, malloc(global.tune.bufsize), global.tune.bufsize);
David du Colombier7af46052012-05-16 14:16:48 +0200494
Emeric Brun2b920a12010-09-23 18:30:22 +0200495 /* NB: POSIX does not make it mandatory for gethostname() to NULL-terminate
496 * the string in case of truncation, and at least FreeBSD appears not to do
497 * it.
498 */
499 memset(hostname, 0, sizeof(hostname));
500 gethostname(hostname, sizeof(hostname) - 1);
501 memset(localpeer, 0, sizeof(localpeer));
502 memcpy(localpeer, hostname, (sizeof(hostname) > sizeof(localpeer) ? sizeof(localpeer) : sizeof(hostname)) - 1);
503
Willy Tarreaubaaee002006-06-26 02:48:02 +0200504 /*
505 * Initialize the previously static variables.
506 */
507
Willy Tarreau3eba98a2009-01-25 13:56:13 +0100508 totalconn = actconn = maxfd = listeners = stopping = 0;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200509
510
511#ifdef HAPROXY_MEMMAX
512 global.rlimit_memmax = HAPROXY_MEMMAX;
513#endif
514
Willy Tarreaub0b37bc2008-06-23 14:00:57 +0200515 tv_update_date(-1,-1);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200516 start_date = now;
517
Yuxans Yao4e25b012012-10-19 10:36:09 +0800518 /* Get the numeric timezone. */
519 get_localtime(start_date.tv_sec, &curtime);
520 strftime(localtimezone, 6, "%z", &curtime);
521
Willy Tarreau29857942009-05-10 09:01:21 +0200522 signal_init();
Willy Tarreau8ed669b2013-01-11 15:49:37 +0100523 if (init_acl() != 0)
524 exit(1);
Willy Tarreauc6ca1a02007-05-13 19:43:47 +0200525 init_task();
526 init_session();
Willy Tarreauf2943dc2012-10-26 20:10:28 +0200527 init_connection();
Willy Tarreau8280d642009-09-23 23:37:52 +0200528 /* warning, we init buffers later */
Willy Tarreaue4d7e552007-05-13 20:19:55 +0200529 init_pendconn();
Willy Tarreau80587432006-12-24 17:47:20 +0100530 init_proto_http();
Willy Tarreaubaaee002006-06-26 02:48:02 +0200531
Willy Tarreau43b78992009-01-25 15:42:27 +0100532 global.tune.options |= GTUNE_USE_SELECT; /* select() is always available */
Willy Tarreaubaaee002006-06-26 02:48:02 +0200533#if defined(ENABLE_POLL)
Willy Tarreau43b78992009-01-25 15:42:27 +0100534 global.tune.options |= GTUNE_USE_POLL;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200535#endif
536#if defined(ENABLE_EPOLL)
Willy Tarreau43b78992009-01-25 15:42:27 +0100537 global.tune.options |= GTUNE_USE_EPOLL;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200538#endif
Willy Tarreau1e63130a2007-04-09 12:03:06 +0200539#if defined(ENABLE_KQUEUE)
Willy Tarreau43b78992009-01-25 15:42:27 +0100540 global.tune.options |= GTUNE_USE_KQUEUE;
Willy Tarreau1e63130a2007-04-09 12:03:06 +0200541#endif
Willy Tarreaub55932d2009-08-16 13:20:32 +0200542#if defined(CONFIG_HAP_LINUX_SPLICE)
Willy Tarreau3ab68cf2009-01-25 16:03:28 +0100543 global.tune.options |= GTUNE_USE_SPLICE;
544#endif
Willy Tarreaubaaee002006-06-26 02:48:02 +0200545
546 pid = getpid();
547 progname = *argv;
548 while ((tmp = strchr(progname, '/')) != NULL)
549 progname = tmp + 1;
550
Kevinm48936af2010-12-22 16:08:21 +0000551 /* the process name is used for the logs only */
552 global.log_tag = strdup(progname);
553
Willy Tarreaubaaee002006-06-26 02:48:02 +0200554 argc--; argv++;
555 while (argc > 0) {
556 char *flag;
557
558 if (**argv == '-') {
559 flag = *argv+1;
560
561 /* 1 arg */
562 if (*flag == 'v') {
563 display_version();
Willy Tarreau7b066db2007-12-02 11:28:59 +0100564 if (flag[1] == 'v') /* -vv */
565 display_build_opts();
Willy Tarreaubaaee002006-06-26 02:48:02 +0200566 exit(0);
567 }
568#if defined(ENABLE_EPOLL)
569 else if (*flag == 'd' && flag[1] == 'e')
Willy Tarreau43b78992009-01-25 15:42:27 +0100570 global.tune.options &= ~GTUNE_USE_EPOLL;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200571#endif
572#if defined(ENABLE_POLL)
573 else if (*flag == 'd' && flag[1] == 'p')
Willy Tarreau43b78992009-01-25 15:42:27 +0100574 global.tune.options &= ~GTUNE_USE_POLL;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200575#endif
Willy Tarreau69cad1a2007-04-10 22:45:11 +0200576#if defined(ENABLE_KQUEUE)
Willy Tarreau1e63130a2007-04-09 12:03:06 +0200577 else if (*flag == 'd' && flag[1] == 'k')
Willy Tarreau43b78992009-01-25 15:42:27 +0100578 global.tune.options &= ~GTUNE_USE_KQUEUE;
Willy Tarreau1e63130a2007-04-09 12:03:06 +0200579#endif
Willy Tarreaub55932d2009-08-16 13:20:32 +0200580#if defined(CONFIG_HAP_LINUX_SPLICE)
Willy Tarreau3ab68cf2009-01-25 16:03:28 +0100581 else if (*flag == 'd' && flag[1] == 'S')
582 global.tune.options &= ~GTUNE_USE_SPLICE;
583#endif
Willy Tarreaubaaee002006-06-26 02:48:02 +0200584 else if (*flag == 'V')
585 arg_mode |= MODE_VERBOSE;
586 else if (*flag == 'd' && flag[1] == 'b')
587 arg_mode |= MODE_FOREGROUND;
Willy Tarreau6e064432012-05-08 15:40:42 +0200588 else if (*flag == 'd' && flag[1] == 'M')
589 mem_poison_byte = flag[2] ? strtol(flag + 2, NULL, 0) : 'P';
Willy Tarreaubaaee002006-06-26 02:48:02 +0200590 else if (*flag == 'd')
591 arg_mode |= MODE_DEBUG;
592 else if (*flag == 'c')
593 arg_mode |= MODE_CHECK;
Marc-Antoine Perennou992709b2013-02-12 10:53:52 +0100594 else if (*flag == 'D') {
Willy Tarreau6bde87b2009-05-18 16:29:51 +0200595 arg_mode |= MODE_DAEMON;
Marc-Antoine Perennou992709b2013-02-12 10:53:52 +0100596 if (flag[1] == 's') /* -Ds */
597 arg_mode |= MODE_SYSTEMD;
598 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200599 else if (*flag == 'q')
600 arg_mode |= MODE_QUIET;
601 else if (*flag == 's' && (flag[1] == 'f' || flag[1] == 't')) {
602 /* list of pids to finish ('f') or terminate ('t') */
603
604 if (flag[1] == 'f')
605 oldpids_sig = SIGUSR1; /* finish then exit */
606 else
607 oldpids_sig = SIGTERM; /* terminate immediately */
608 argv++; argc--;
609
610 if (argc > 0) {
611 oldpids = calloc(argc, sizeof(int));
612 while (argc > 0) {
613 oldpids[nb_oldpids] = atol(*argv);
614 if (oldpids[nb_oldpids] <= 0)
Willy Tarreau3bafcdc2011-09-10 19:20:23 +0200615 usage(progname);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200616 argc--; argv++;
617 nb_oldpids++;
618 }
619 }
620 }
621 else { /* >=2 args */
622 argv++; argc--;
623 if (argc == 0)
Willy Tarreau3bafcdc2011-09-10 19:20:23 +0200624 usage(progname);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200625
626 switch (*flag) {
Willy Tarreau576132e2011-09-10 19:26:56 +0200627 case 'C' : change_dir = *argv; break;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200628 case 'n' : cfg_maxconn = atol(*argv); break;
629 case 'm' : global.rlimit_memmax = atol(*argv); break;
630 case 'N' : cfg_maxpconn = atol(*argv); break;
Emeric Brun2b920a12010-09-23 18:30:22 +0200631 case 'L' : strncpy(localpeer, *argv, sizeof(localpeer) - 1); break;
Willy Tarreau5d01a632009-06-22 16:02:30 +0200632 case 'f' :
Willy Tarreau477ecd82010-01-03 21:12:30 +0100633 wl = (struct wordlist *)calloc(1, sizeof(*wl));
634 if (!wl) {
635 Alert("Cannot load configuration file %s : out of memory.\n", *argv);
Willy Tarreau5d01a632009-06-22 16:02:30 +0200636 exit(1);
637 }
Willy Tarreau477ecd82010-01-03 21:12:30 +0100638 wl->s = *argv;
639 LIST_ADDQ(&cfg_cfgfiles, &wl->list);
Willy Tarreau5d01a632009-06-22 16:02:30 +0200640 break;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200641 case 'p' : cfg_pidfile = *argv; break;
Willy Tarreau3bafcdc2011-09-10 19:20:23 +0200642 default: usage(progname);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200643 }
644 }
645 }
646 else
Willy Tarreau3bafcdc2011-09-10 19:20:23 +0200647 usage(progname);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200648 argv++; argc--;
649 }
650
651 global.mode = MODE_STARTING | /* during startup, we want most of the alerts */
Marc-Antoine Perennou992709b2013-02-12 10:53:52 +0100652 (arg_mode & (MODE_DAEMON | MODE_SYSTEMD | MODE_FOREGROUND | MODE_VERBOSE
Willy Tarreaubaaee002006-06-26 02:48:02 +0200653 | MODE_QUIET | MODE_CHECK | MODE_DEBUG));
654
Willy Tarreau477ecd82010-01-03 21:12:30 +0100655 if (LIST_ISEMPTY(&cfg_cfgfiles))
Willy Tarreau3bafcdc2011-09-10 19:20:23 +0200656 usage(progname);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200657
Willy Tarreau576132e2011-09-10 19:26:56 +0200658 if (change_dir && chdir(change_dir) < 0) {
659 Alert("Could not change to directory %s : %s\n", change_dir, strerror(errno));
660 exit(1);
661 }
662
Willy Tarreaubaaee002006-06-26 02:48:02 +0200663 have_appsession = 0;
664 global.maxsock = 10; /* reserve 10 fds ; will be incremented by socket eaters */
Willy Tarreau915e1eb2009-06-22 15:48:36 +0200665
666 init_default_instance();
667
Willy Tarreau477ecd82010-01-03 21:12:30 +0100668 list_for_each_entry(wl, &cfg_cfgfiles, list) {
Willy Tarreauc4382422009-12-06 13:10:44 +0100669 int ret;
670
Willy Tarreau477ecd82010-01-03 21:12:30 +0100671 ret = readcfgfile(wl->s);
Willy Tarreauc4382422009-12-06 13:10:44 +0100672 if (ret == -1) {
673 Alert("Could not open configuration file %s : %s\n",
Willy Tarreau477ecd82010-01-03 21:12:30 +0100674 wl->s, strerror(errno));
Willy Tarreauc4382422009-12-06 13:10:44 +0100675 exit(1);
676 }
Willy Tarreau25a67fa2009-12-15 21:46:25 +0100677 if (ret & (ERR_ABORT|ERR_FATAL))
Willy Tarreau477ecd82010-01-03 21:12:30 +0100678 Alert("Error(s) found in configuration file : %s\n", wl->s);
Willy Tarreau25a67fa2009-12-15 21:46:25 +0100679 err_code |= ret;
Willy Tarreau058e9072009-07-20 09:30:05 +0200680 if (err_code & ERR_ABORT)
Willy Tarreau5d01a632009-06-22 16:02:30 +0200681 exit(1);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200682 }
Krzysztof Oledzkib304dc72007-10-14 23:40:01 +0200683
Willy Tarreaubb925012009-07-23 13:36:36 +0200684 err_code |= check_config_validity();
685 if (err_code & (ERR_ABORT|ERR_FATAL)) {
686 Alert("Fatal errors found in configuration.\n");
Willy Tarreau915e1eb2009-06-22 15:48:36 +0200687 exit(1);
688 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200689
690 if (global.mode & MODE_CHECK) {
Willy Tarreau8b15ba12012-02-02 17:48:18 +0100691 struct peers *pr;
692 struct proxy *px;
693
694 for (pr = peers; pr; pr = pr->next)
695 if (pr->peers_fe)
696 break;
697
698 for (px = proxy; px; px = px->next)
Willy Tarreau4348fad2012-09-20 16:48:07 +0200699 if (px->state == PR_STNEW && !LIST_ISEMPTY(&px->conf.listeners))
Willy Tarreau8b15ba12012-02-02 17:48:18 +0100700 break;
701
702 if (pr || px) {
703 /* At least one peer or one listener has been found */
704 qfprintf(stdout, "Configuration file is valid\n");
705 exit(0);
706 }
707 qfprintf(stdout, "Configuration file has no error but will not start (no listener) => exit(2).\n");
708 exit(2);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200709 }
710
Willy Tarreaue9b26022011-08-01 20:57:55 +0200711 global_listener_queue_task = task_new();
712 if (!global_listener_queue_task) {
713 Alert("Out of memory when initializing global task\n");
714 exit(1);
715 }
716 /* very simple initialization, users will queue the task if needed */
717 global_listener_queue_task->context = NULL; /* not even a context! */
718 global_listener_queue_task->process = manage_global_listener_queue;
719 global_listener_queue_task->expire = TICK_ETERNITY;
720
Willy Tarreau8263d2b2012-08-28 00:06:31 +0200721 /* now we know the buffer size, we can initialize the channels and buffers */
722 init_channel();
Willy Tarreau9b28e032012-10-12 23:49:43 +0200723 init_buffer();
Willy Tarreau8280d642009-09-23 23:37:52 +0200724
Willy Tarreau915e1eb2009-06-22 15:48:36 +0200725 if (have_appsession)
726 appsession_init();
727
Krzysztof Oledzkib304dc72007-10-14 23:40:01 +0200728 if (start_checks() < 0)
729 exit(1);
730
Willy Tarreaubaaee002006-06-26 02:48:02 +0200731 if (cfg_maxconn > 0)
732 global.maxconn = cfg_maxconn;
733
734 if (cfg_pidfile) {
Willy Tarreaua534fea2008-08-03 12:19:50 +0200735 free(global.pidfile);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200736 global.pidfile = strdup(cfg_pidfile);
737 }
738
739 if (global.maxconn == 0)
740 global.maxconn = DEFAULT_MAXCONN;
741
Willy Tarreau66aa61f2009-01-18 21:44:07 +0100742 if (!global.maxpipes) {
743 /* maxpipes not specified. Count how many frontends and backends
744 * may be using splicing, and bound that to maxconn.
745 */
746 struct proxy *cur;
747 int nbfe = 0, nbbe = 0;
748
749 for (cur = proxy; cur; cur = cur->next) {
750 if (cur->options2 & (PR_O2_SPLIC_ANY)) {
751 if (cur->cap & PR_CAP_FE)
752 nbfe += cur->maxconn;
753 if (cur->cap & PR_CAP_BE)
Willy Tarreauafb48762009-01-25 10:42:05 +0100754 nbbe += cur->fullconn ? cur->fullconn : global.maxconn;
Willy Tarreau66aa61f2009-01-18 21:44:07 +0100755 }
756 }
757 global.maxpipes = MAX(nbfe, nbbe);
758 if (global.maxpipes > global.maxconn)
759 global.maxpipes = global.maxconn;
Willy Tarreau686ac822009-01-25 14:06:58 +0100760 global.maxpipes /= 4;
Willy Tarreau66aa61f2009-01-18 21:44:07 +0100761 }
762
763
Willy Tarreauabacc2c2011-09-07 14:26:33 +0200764 global.hardmaxconn = global.maxconn; /* keep this max value */
Willy Tarreaubaaee002006-06-26 02:48:02 +0200765 global.maxsock += global.maxconn * 2; /* each connection needs two sockets */
Willy Tarreau3ec79b92009-01-18 20:39:42 +0100766 global.maxsock += global.maxpipes * 2; /* each pipe needs two FDs */
Willy Tarreaubaaee002006-06-26 02:48:02 +0200767
Willy Tarreau3c63fd82011-09-07 18:00:47 +0200768 if (global.stats_fe)
769 global.maxsock += global.stats_fe->maxconn;
770
771 if (peers) {
772 /* peers also need to bypass global maxconn */
773 struct peers *p = peers;
774
775 for (p = peers; p; p = p->next)
776 if (p->peers_fe)
777 global.maxsock += p->peers_fe->maxconn;
778 }
779
Willy Tarreau1db37712007-06-03 17:16:49 +0200780 if (global.tune.maxpollevents <= 0)
781 global.tune.maxpollevents = MAX_POLL_EVENTS;
782
Willy Tarreau6f4a82c2009-03-21 20:43:57 +0100783 if (global.tune.recv_enough == 0)
784 global.tune.recv_enough = MIN_RECV_AT_ONCE_ENOUGH;
785
Willy Tarreau27a674e2009-08-17 07:23:33 +0200786 if (global.tune.maxrewrite >= global.tune.bufsize / 2)
787 global.tune.maxrewrite = global.tune.bufsize / 2;
788
Willy Tarreaubaaee002006-06-26 02:48:02 +0200789 if (arg_mode & (MODE_DEBUG | MODE_FOREGROUND)) {
790 /* command line debug mode inhibits configuration mode */
Marc-Antoine Perennou992709b2013-02-12 10:53:52 +0100791 global.mode &= ~(MODE_DAEMON | MODE_SYSTEMD | MODE_QUIET);
Willy Tarreau772f0dd2012-10-26 16:04:28 +0200792 global.mode |= (arg_mode & (MODE_DEBUG | MODE_FOREGROUND));
793 }
794
Marc-Antoine Perennou992709b2013-02-12 10:53:52 +0100795 if (arg_mode & (MODE_DAEMON | MODE_SYSTEMD)) {
Willy Tarreau772f0dd2012-10-26 16:04:28 +0200796 /* command line daemon mode inhibits foreground and debug modes mode */
797 global.mode &= ~(MODE_DEBUG | MODE_FOREGROUND);
Marc-Antoine Perennou992709b2013-02-12 10:53:52 +0100798 global.mode |= (arg_mode & (MODE_DAEMON | MODE_SYSTEMD));
Willy Tarreaubaaee002006-06-26 02:48:02 +0200799 }
Willy Tarreau772f0dd2012-10-26 16:04:28 +0200800
801 global.mode |= (arg_mode & (MODE_QUIET | MODE_VERBOSE));
Willy Tarreaubaaee002006-06-26 02:48:02 +0200802
Marc-Antoine Perennou992709b2013-02-12 10:53:52 +0100803 if ((global.mode & MODE_DEBUG) && (global.mode & (MODE_DAEMON | MODE_SYSTEMD | MODE_QUIET))) {
804 Warning("<debug> mode incompatible with <quiet>, <daemon> and <systemd>. Keeping <debug> only.\n");
805 global.mode &= ~(MODE_DAEMON | MODE_SYSTEMD | MODE_QUIET);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200806 }
807
Marc-Antoine Perennou992709b2013-02-12 10:53:52 +0100808 if ((global.nbproc > 1) && !(global.mode & (MODE_DAEMON | MODE_SYSTEMD))) {
Willy Tarreaubaaee002006-06-26 02:48:02 +0200809 if (!(global.mode & (MODE_FOREGROUND | MODE_DEBUG)))
810 Warning("<nbproc> is only meaningful in daemon mode. Setting limit to 1 process.\n");
811 global.nbproc = 1;
812 }
813
814 if (global.nbproc < 1)
815 global.nbproc = 1;
816
Willy Tarreau8096de92010-02-26 11:12:27 +0100817 swap_buffer = (char *)calloc(1, global.tune.bufsize);
Willy Tarreau7e2c6472012-10-29 20:44:36 +0100818 get_http_auth_buff = (char *)calloc(1, global.tune.bufsize);
Willy Tarreau07115412012-10-29 21:56:59 +0100819 static_table_key = calloc(1, sizeof(*static_table_key) + global.tune.bufsize);
Willy Tarreau47ca5452012-12-23 20:22:19 +0100820 alloc_trash_buffers(global.tune.bufsize);
Willy Tarreau8096de92010-02-26 11:12:27 +0100821
Willy Tarreau8d5d77e2009-10-18 07:25:52 +0200822 fdinfo = (struct fdinfo *)calloc(1,
823 sizeof(struct fdinfo) * (global.maxsock));
Willy Tarreaubaaee002006-06-26 02:48:02 +0200824 fdtab = (struct fdtab *)calloc(1,
825 sizeof(struct fdtab) * (global.maxsock));
Willy Tarreauef1d1f82007-04-16 00:25:25 +0200826 /*
827 * Note: we could register external pollers here.
828 * Built-in pollers have been registered before main().
829 */
Willy Tarreau4f60f162007-04-08 16:39:58 +0200830
Willy Tarreau43b78992009-01-25 15:42:27 +0100831 if (!(global.tune.options & GTUNE_USE_KQUEUE))
Willy Tarreau1e63130a2007-04-09 12:03:06 +0200832 disable_poller("kqueue");
833
Willy Tarreau43b78992009-01-25 15:42:27 +0100834 if (!(global.tune.options & GTUNE_USE_EPOLL))
Willy Tarreau4f60f162007-04-08 16:39:58 +0200835 disable_poller("epoll");
836
Willy Tarreau43b78992009-01-25 15:42:27 +0100837 if (!(global.tune.options & GTUNE_USE_POLL))
Willy Tarreau4f60f162007-04-08 16:39:58 +0200838 disable_poller("poll");
839
Willy Tarreau43b78992009-01-25 15:42:27 +0100840 if (!(global.tune.options & GTUNE_USE_SELECT))
Willy Tarreau4f60f162007-04-08 16:39:58 +0200841 disable_poller("select");
842
843 /* Note: we could disable any poller by name here */
844
Willy Tarreau2ff76222007-04-09 19:29:56 +0200845 if (global.mode & (MODE_VERBOSE|MODE_DEBUG))
846 list_pollers(stderr);
847
Willy Tarreau4f60f162007-04-08 16:39:58 +0200848 if (!init_pollers()) {
Willy Tarreau3fa87b12013-03-31 14:41:15 +0200849 Alert("No polling mechanism available.\n"
850 " It is likely that haproxy was built with TARGET=generic and that FD_SETSIZE\n"
851 " is too low on this platform to support maxconn and the number of listeners\n"
852 " and servers. You should rebuild haproxy specifying your system using TARGET=\n"
853 " in order to support other polling systems (poll, epoll, kqueue) or reduce the\n"
Prach Pongpanichb837e682013-05-14 20:56:28 +0200854 " global maxconn setting to accommodate the system's limitation. For reference,\n"
Willy Tarreau3fa87b12013-03-31 14:41:15 +0200855 " FD_SETSIZE=%d on this system, global.maxconn=%d resulting in a maximum of\n"
856 " %d file descriptors. You should thus reduce global.maxconn by %d. Also,\n"
857 " check build settings using 'haproxy -vv'.\n\n",
858 FD_SETSIZE, global.maxconn, global.maxsock, (global.maxsock + 1 - FD_SETSIZE) / 2);
Willy Tarreau4f60f162007-04-08 16:39:58 +0200859 exit(1);
860 }
Willy Tarreau2ff76222007-04-09 19:29:56 +0200861 if (global.mode & (MODE_VERBOSE|MODE_DEBUG)) {
862 printf("Using %s() as the polling mechanism.\n", cur_poller.name);
Willy Tarreau4f60f162007-04-08 16:39:58 +0200863 }
864
Krzysztof Piotr Oledzki48cb2ae2009-10-02 22:51:14 +0200865 if (!global.node)
866 global.node = strdup(hostname);
867
Willy Tarreaubaaee002006-06-26 02:48:02 +0200868}
869
Simon Horman6fb82592011-07-15 13:14:11 +0900870static void deinit_acl_cond(struct acl_cond *cond)
Simon Hormanac821422011-07-15 13:14:09 +0900871{
Simon Hormanac821422011-07-15 13:14:09 +0900872 struct acl_term_suite *suite, *suiteb;
873 struct acl_term *term, *termb;
874
Simon Horman6fb82592011-07-15 13:14:11 +0900875 if (!cond)
876 return;
877
878 list_for_each_entry_safe(suite, suiteb, &cond->suites, list) {
879 list_for_each_entry_safe(term, termb, &suite->terms, list) {
880 LIST_DEL(&term->list);
881 free(term);
Simon Hormanac821422011-07-15 13:14:09 +0900882 }
Simon Horman6fb82592011-07-15 13:14:11 +0900883 LIST_DEL(&suite->list);
884 free(suite);
885 }
886
887 free(cond);
888}
889
890static void deinit_tcp_rules(struct list *rules)
891{
892 struct tcp_rule *trule, *truleb;
893
894 list_for_each_entry_safe(trule, truleb, rules, list) {
Simon Hormanac821422011-07-15 13:14:09 +0900895 LIST_DEL(&trule->list);
Simon Horman6fb82592011-07-15 13:14:11 +0900896 deinit_acl_cond(trule->cond);
Simon Hormanac821422011-07-15 13:14:09 +0900897 free(trule);
898 }
899}
900
Willy Tarreau12785782012-04-27 21:37:17 +0200901static void deinit_sample_arg(struct arg *p)
Simon Horman6fb82592011-07-15 13:14:11 +0900902{
Willy Tarreauf9954102012-04-20 14:03:29 +0200903 struct arg *p_back = p;
904
Simon Horman6fb82592011-07-15 13:14:11 +0900905 if (!p)
906 return;
907
Willy Tarreauf9954102012-04-20 14:03:29 +0200908 while (p->type != ARGT_STOP) {
Willy Tarreau496aa012012-06-01 10:38:29 +0200909 if (p->type == ARGT_STR || p->unresolved) {
Willy Tarreauf9954102012-04-20 14:03:29 +0200910 free(p->data.str.str);
911 p->data.str.str = NULL;
Willy Tarreau496aa012012-06-01 10:38:29 +0200912 p->unresolved = 0;
Willy Tarreauecfb8e82012-04-20 12:29:52 +0200913 }
Willy Tarreauf9954102012-04-20 14:03:29 +0200914 p++;
Willy Tarreauecfb8e82012-04-20 12:29:52 +0200915 }
Simon Horman6fb82592011-07-15 13:14:11 +0900916
Willy Tarreau2e845be2012-10-19 19:49:09 +0200917 if (p_back != empty_arg_list)
918 free(p_back);
Simon Horman6fb82592011-07-15 13:14:11 +0900919}
920
921static void deinit_stick_rules(struct list *rules)
922{
923 struct sticking_rule *rule, *ruleb;
924
925 list_for_each_entry_safe(rule, ruleb, rules, list) {
926 LIST_DEL(&rule->list);
927 deinit_acl_cond(rule->cond);
928 if (rule->expr) {
Willy Tarreau12785782012-04-27 21:37:17 +0200929 struct sample_conv_expr *conv_expr, *conv_exprb;
Simon Horman6fb82592011-07-15 13:14:11 +0900930 list_for_each_entry_safe(conv_expr, conv_exprb, &rule->expr->conv_exprs, list)
Willy Tarreau12785782012-04-27 21:37:17 +0200931 deinit_sample_arg(conv_expr->arg_p);
932 deinit_sample_arg(rule->expr->arg_p);
Simon Horman6fb82592011-07-15 13:14:11 +0900933 free(rule->expr);
934 }
935 free(rule);
936 }
937}
938
Willy Tarreaubaaee002006-06-26 02:48:02 +0200939void deinit(void)
940{
Willy Tarreau4d2d0982007-05-14 00:39:29 +0200941 struct proxy *p = proxy, *p0;
Willy Tarreaubaaee002006-06-26 02:48:02 +0200942 struct cap_hdr *h,*h_next;
943 struct server *s,*s_next;
944 struct listener *l,*l_next;
Willy Tarreau0fc45a72007-06-17 00:36:03 +0200945 struct acl_cond *cond, *condb;
946 struct hdr_exp *exp, *expb;
Krzysztof Piotr Oledzkia643baf2008-05-29 23:53:44 +0200947 struct acl *acl, *aclb;
Krzysztof Piotr Oledzki8001d612008-05-31 13:53:23 +0200948 struct switching_rule *rule, *ruleb;
Willy Tarreau4a5cade2012-04-05 21:09:48 +0200949 struct server_rule *srule, *sruleb;
Willy Tarreaub463dfb2008-06-07 23:08:56 +0200950 struct redirect_rule *rdr, *rdrb;
Willy Tarreaudeb9ed82010-01-03 21:03:22 +0100951 struct wordlist *wl, *wlb;
Willy Tarreauf4f04122010-01-28 18:10:50 +0100952 struct cond_wordlist *cwl, *cwlb;
Krzysztof Piotr Oledzki8001d612008-05-31 13:53:23 +0200953 struct uri_auth *uap, *ua = NULL;
William Lallemand0f99e342011-10-12 17:50:54 +0200954 struct logsrv *log, *logb;
William Lallemand723b73a2012-02-08 16:37:49 +0100955 struct logformat_node *lf, *lfb;
Willy Tarreau2a65ff02012-09-13 17:54:29 +0200956 struct bind_conf *bind_conf, *bind_back;
Willy Tarreau0fc45a72007-06-17 00:36:03 +0200957 int i;
Krzysztof Piotr Oledzki8001d612008-05-31 13:53:23 +0200958
Willy Tarreau24f4efa2010-08-27 17:56:48 +0200959 deinit_signals();
Willy Tarreaubaaee002006-06-26 02:48:02 +0200960 while (p) {
Willy Tarreau8113a5d2012-10-04 08:01:43 +0200961 free(p->conf.file);
Willy Tarreaua534fea2008-08-03 12:19:50 +0200962 free(p->id);
963 free(p->check_req);
964 free(p->cookie_name);
965 free(p->cookie_domain);
966 free(p->url_param_name);
967 free(p->capture_name);
968 free(p->monitor_uri);
Simon Hormana31c7f72011-07-15 13:14:08 +0900969 free(p->rdp_cookie_name);
Willy Tarreau62a61232013-04-12 18:13:46 +0200970 if (p->conf.logformat_string != default_http_log_format &&
971 p->conf.logformat_string != default_tcp_log_format &&
972 p->conf.logformat_string != clf_http_log_format)
973 free(p->conf.logformat_string);
Willy Tarreau196729e2012-05-31 19:30:26 +0200974
Willy Tarreau62a61232013-04-12 18:13:46 +0200975 free(p->conf.lfs_file);
976 free(p->conf.uniqueid_format_string);
977 free(p->conf.uif_file);
Godbachaf1a75d2013-10-02 17:10:11 +0800978 free(p->lbprm.map.srv);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200979
Willy Tarreaua534fea2008-08-03 12:19:50 +0200980 for (i = 0; i < HTTP_ERR_SIZE; i++)
Krzysztof Piotr Oledzki78abe612009-09-27 13:23:20 +0200981 chunk_destroy(&p->errmsg[i]);
Willy Tarreaubaaee002006-06-26 02:48:02 +0200982
Willy Tarreauf4f04122010-01-28 18:10:50 +0100983 list_for_each_entry_safe(cwl, cwlb, &p->req_add, list) {
984 LIST_DEL(&cwl->list);
985 free(cwl->s);
986 free(cwl);
Willy Tarreaudeb9ed82010-01-03 21:03:22 +0100987 }
Willy Tarreaubaaee002006-06-26 02:48:02 +0200988
Willy Tarreauf4f04122010-01-28 18:10:50 +0100989 list_for_each_entry_safe(cwl, cwlb, &p->rsp_add, list) {
990 LIST_DEL(&cwl->list);
991 free(cwl->s);
992 free(cwl);
Willy Tarreaudeb9ed82010-01-03 21:03:22 +0100993 }
Willy Tarreau0fc45a72007-06-17 00:36:03 +0200994
995 list_for_each_entry_safe(cond, condb, &p->block_cond, list) {
996 LIST_DEL(&cond->list);
997 prune_acl_cond(cond);
998 free(cond);
999 }
1000
Willy Tarreaub80c2302007-11-30 20:51:32 +01001001 list_for_each_entry_safe(cond, condb, &p->mon_fail_cond, list) {
1002 LIST_DEL(&cond->list);
1003 prune_acl_cond(cond);
1004 free(cond);
1005 }
1006
Willy Tarreau0fc45a72007-06-17 00:36:03 +02001007 for (exp = p->req_exp; exp != NULL; ) {
Krzysztof Piotr Oledzki8001d612008-05-31 13:53:23 +02001008 if (exp->preg) {
Willy Tarreau0fc45a72007-06-17 00:36:03 +02001009 regfree((regex_t *)exp->preg);
Krzysztof Piotr Oledzki8001d612008-05-31 13:53:23 +02001010 free((regex_t *)exp->preg);
1011 }
1012
Willy Tarreau0fc45a72007-06-17 00:36:03 +02001013 if (exp->replace && exp->action != ACT_SETBE)
1014 free((char *)exp->replace);
1015 expb = exp;
1016 exp = exp->next;
1017 free(expb);
1018 }
1019
1020 for (exp = p->rsp_exp; exp != NULL; ) {
Krzysztof Piotr Oledzki8001d612008-05-31 13:53:23 +02001021 if (exp->preg) {
Willy Tarreau0fc45a72007-06-17 00:36:03 +02001022 regfree((regex_t *)exp->preg);
Krzysztof Piotr Oledzki8001d612008-05-31 13:53:23 +02001023 free((regex_t *)exp->preg);
1024 }
1025
Willy Tarreau0fc45a72007-06-17 00:36:03 +02001026 if (exp->replace && exp->action != ACT_SETBE)
1027 free((char *)exp->replace);
1028 expb = exp;
1029 exp = exp->next;
1030 free(expb);
1031 }
1032
Krzysztof Piotr Oledzki8001d612008-05-31 13:53:23 +02001033 /* build a list of unique uri_auths */
1034 if (!ua)
1035 ua = p->uri_auth;
1036 else {
1037 /* check if p->uri_auth is unique */
1038 for (uap = ua; uap; uap=uap->next)
1039 if (uap == p->uri_auth)
1040 break;
1041
Willy Tarreauaccc4e12008-06-24 11:14:45 +02001042 if (!uap && p->uri_auth) {
Krzysztof Piotr Oledzki8001d612008-05-31 13:53:23 +02001043 /* add it, if it is */
1044 p->uri_auth->next = ua;
1045 ua = p->uri_auth;
1046 }
1047 }
Willy Tarreau0fc45a72007-06-17 00:36:03 +02001048
Krzysztof Piotr Oledzkia643baf2008-05-29 23:53:44 +02001049 list_for_each_entry_safe(acl, aclb, &p->acl, list) {
1050 LIST_DEL(&acl->list);
1051 prune_acl(acl);
1052 free(acl);
1053 }
1054
Willy Tarreau4a5cade2012-04-05 21:09:48 +02001055 list_for_each_entry_safe(srule, sruleb, &p->server_rules, list) {
1056 LIST_DEL(&srule->list);
1057 prune_acl_cond(srule->cond);
1058 free(srule->cond);
1059 free(srule);
1060 }
1061
Krzysztof Piotr Oledzki8001d612008-05-31 13:53:23 +02001062 list_for_each_entry_safe(rule, ruleb, &p->switching_rules, list) {
1063 LIST_DEL(&rule->list);
Krzysztof Piotr Oledzki8001d612008-05-31 13:53:23 +02001064 prune_acl_cond(rule->cond);
1065 free(rule->cond);
Krzysztof Piotr Oledzki8001d612008-05-31 13:53:23 +02001066 free(rule);
1067 }
1068
Willy Tarreaub463dfb2008-06-07 23:08:56 +02001069 list_for_each_entry_safe(rdr, rdrb, &p->redirect_rules, list) {
1070 LIST_DEL(&rdr->list);
Willy Tarreauf285f542010-01-03 20:03:03 +01001071 if (rdr->cond) {
1072 prune_acl_cond(rdr->cond);
1073 free(rdr->cond);
1074 }
Willy Tarreaub463dfb2008-06-07 23:08:56 +02001075 free(rdr->rdr_str);
1076 free(rdr);
1077 }
1078
William Lallemand0f99e342011-10-12 17:50:54 +02001079 list_for_each_entry_safe(log, logb, &p->logsrvs, list) {
1080 LIST_DEL(&log->list);
1081 free(log);
1082 }
1083
William Lallemand723b73a2012-02-08 16:37:49 +01001084 list_for_each_entry_safe(lf, lfb, &p->logformat, list) {
1085 LIST_DEL(&lf->list);
1086 free(lf);
1087 }
1088
Simon Hormanac821422011-07-15 13:14:09 +09001089 deinit_tcp_rules(&p->tcp_req.inspect_rules);
1090 deinit_tcp_rules(&p->tcp_req.l4_rules);
1091
Simon Horman6fb82592011-07-15 13:14:11 +09001092 deinit_stick_rules(&p->storersp_rules);
1093 deinit_stick_rules(&p->sticking_rules);
1094
Willy Tarreaua534fea2008-08-03 12:19:50 +02001095 free(p->appsession_name);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001096
1097 h = p->req_cap;
1098 while (h) {
1099 h_next = h->next;
Willy Tarreaua534fea2008-08-03 12:19:50 +02001100 free(h->name);
Willy Tarreaucf7f3202007-05-13 22:46:04 +02001101 pool_destroy2(h->pool);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001102 free(h);
1103 h = h_next;
1104 }/* end while(h) */
1105
1106 h = p->rsp_cap;
1107 while (h) {
1108 h_next = h->next;
Willy Tarreaua534fea2008-08-03 12:19:50 +02001109 free(h->name);
Willy Tarreaucf7f3202007-05-13 22:46:04 +02001110 pool_destroy2(h->pool);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001111 free(h);
1112 h = h_next;
1113 }/* end while(h) */
Krzysztof Piotr Oledzkia643baf2008-05-29 23:53:44 +02001114
Willy Tarreaubaaee002006-06-26 02:48:02 +02001115 s = p->srv;
1116 while (s) {
1117 s_next = s->next;
Krzysztof Piotr Oledzkia643baf2008-05-29 23:53:44 +02001118
Willy Tarreau5b3a2022012-09-28 15:01:02 +02001119 if (s->check.task) {
1120 task_delete(s->check.task);
1121 task_free(s->check.task);
Krzysztof Piotr Oledzkia643baf2008-05-29 23:53:44 +02001122 }
Simon Hormand60d6912013-11-25 10:46:36 +09001123 if (s->agent.task) {
1124 task_delete(s->agent.task);
1125 task_free(s->agent.task);
1126 }
Krzysztof Piotr Oledzkia643baf2008-05-29 23:53:44 +02001127
Willy Tarreau2e993902011-10-31 11:53:20 +01001128 if (s->warmup) {
1129 task_delete(s->warmup);
1130 task_free(s->warmup);
1131 }
1132
Willy Tarreaua534fea2008-08-03 12:19:50 +02001133 free(s->id);
1134 free(s->cookie);
Willy Tarreau1ae1b7b2012-09-28 15:28:30 +02001135 free(s->check.bi);
1136 free(s->check.bo);
Simon Hormand60d6912013-11-25 10:46:36 +09001137 free(s->agent.bi);
1138 free(s->agent.bo);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001139 free(s);
1140 s = s_next;
1141 }/* end while(s) */
Krzysztof Piotr Oledzkia643baf2008-05-29 23:53:44 +02001142
Willy Tarreau4348fad2012-09-20 16:48:07 +02001143 list_for_each_entry_safe(l, l_next, &p->conf.listeners, by_fe) {
Willy Tarreauf6e2cc72010-09-03 10:38:17 +02001144 unbind_listener(l);
1145 delete_listener(l);
Willy Tarreau4348fad2012-09-20 16:48:07 +02001146 LIST_DEL(&l->by_fe);
1147 LIST_DEL(&l->by_bind);
Krzysztof Piotr Oledzkiaff01ea2010-02-05 20:31:44 +01001148 free(l->name);
1149 free(l->counters);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001150 free(l);
Willy Tarreau4348fad2012-09-20 16:48:07 +02001151 }
Krzysztof Piotr Oledzkia643baf2008-05-29 23:53:44 +02001152
Willy Tarreau4348fad2012-09-20 16:48:07 +02001153 /* Release unused SSL configs. */
Willy Tarreau2a65ff02012-09-13 17:54:29 +02001154 list_for_each_entry_safe(bind_conf, bind_back, &p->conf.bind, by_fe) {
1155#ifdef USE_OPENSSL
1156 ssl_sock_free_all_ctx(bind_conf);
Emeric Brunfb510ea2012-10-05 12:00:26 +02001157 free(bind_conf->ca_file);
Willy Tarreau2a65ff02012-09-13 17:54:29 +02001158 free(bind_conf->ciphers);
Emeric Brun2b58d042012-09-20 17:10:03 +02001159 free(bind_conf->ecdhe);
Emeric Brunfb510ea2012-10-05 12:00:26 +02001160 free(bind_conf->crl_file);
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02001161#endif /* USE_OPENSSL */
Willy Tarreau2a65ff02012-09-13 17:54:29 +02001162 free(bind_conf->file);
1163 free(bind_conf->arg);
1164 LIST_DEL(&bind_conf->by_fe);
1165 free(bind_conf);
1166 }
Willy Tarreauf5ae8f72012-09-07 16:58:00 +02001167
Krzysztof Piotr Oledzkiaff01ea2010-02-05 20:31:44 +01001168 free(p->desc);
1169 free(p->fwdfor_hdr_name);
1170
Willy Tarreauff011f22011-01-06 17:51:27 +01001171 free_http_req_rules(&p->http_req_rules);
Willy Tarreau918ff602011-07-25 16:33:49 +02001172 free(p->task);
Krzysztof Piotr Oledzki59bb2182010-01-29 17:58:21 +01001173
Willy Tarreaucf7f3202007-05-13 22:46:04 +02001174 pool_destroy2(p->req_cap_pool);
1175 pool_destroy2(p->rsp_cap_pool);
Simon Hormanb08584a2011-07-15 13:14:10 +09001176 pool_destroy2(p->table.pool);
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001177
Willy Tarreau4d2d0982007-05-14 00:39:29 +02001178 p0 = p;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001179 p = p->next;
Willy Tarreau4d2d0982007-05-14 00:39:29 +02001180 free(p0);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001181 }/* end while(p) */
Willy Tarreaudd815982007-10-16 12:25:14 +02001182
Krzysztof Piotr Oledzki8001d612008-05-31 13:53:23 +02001183 while (ua) {
1184 uap = ua;
1185 ua = ua->next;
1186
Willy Tarreaua534fea2008-08-03 12:19:50 +02001187 free(uap->uri_prefix);
1188 free(uap->auth_realm);
Krzysztof Piotr Oledzki48cb2ae2009-10-02 22:51:14 +02001189 free(uap->node);
1190 free(uap->desc);
Krzysztof Piotr Oledzki8001d612008-05-31 13:53:23 +02001191
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01001192 userlist_free(uap->userlist);
Willy Tarreauff011f22011-01-06 17:51:27 +01001193 free_http_req_rules(&uap->http_req_rules);
Krzysztof Piotr Oledzki8c8bd452010-01-29 19:29:32 +01001194
Krzysztof Piotr Oledzki8001d612008-05-31 13:53:23 +02001195 free(uap);
1196 }
1197
Krzysztof Piotr Oledzki96105042010-01-29 17:50:44 +01001198 userlist_free(userlist);
1199
Willy Tarreaudd815982007-10-16 12:25:14 +02001200 protocol_unbind_all();
1201
Joe Williamsdf5b38f2010-12-29 17:05:48 +01001202 free(global.log_send_hostname); global.log_send_hostname = NULL;
Kevinm48936af2010-12-22 16:08:21 +00001203 free(global.log_tag); global.log_tag = NULL;
Willy Tarreaua534fea2008-08-03 12:19:50 +02001204 free(global.chroot); global.chroot = NULL;
1205 free(global.pidfile); global.pidfile = NULL;
Krzysztof Piotr Oledzki48cb2ae2009-10-02 22:51:14 +02001206 free(global.node); global.node = NULL;
1207 free(global.desc); global.desc = NULL;
Godbach4cc1b0d2013-06-26 16:49:51 +08001208 free(fdinfo); fdinfo = NULL;
Willy Tarreaua534fea2008-08-03 12:19:50 +02001209 free(fdtab); fdtab = NULL;
1210 free(oldpids); oldpids = NULL;
Willy Tarreaue9b26022011-08-01 20:57:55 +02001211 free(global_listener_queue_task); global_listener_queue_task = NULL;
Krzysztof Piotr Oledzki8001d612008-05-31 13:53:23 +02001212
William Lallemand0f99e342011-10-12 17:50:54 +02001213 list_for_each_entry_safe(log, logb, &global.logsrvs, list) {
1214 LIST_DEL(&log->list);
1215 free(log);
1216 }
Willy Tarreau477ecd82010-01-03 21:12:30 +01001217 list_for_each_entry_safe(wl, wlb, &cfg_cfgfiles, list) {
1218 LIST_DEL(&wl->list);
1219 free(wl);
1220 }
1221
Willy Tarreauc6ca1a02007-05-13 19:43:47 +02001222 pool_destroy2(pool2_session);
Willy Tarreauf2943dc2012-10-26 20:10:28 +02001223 pool_destroy2(pool2_connection);
Willy Tarreau9b28e032012-10-12 23:49:43 +02001224 pool_destroy2(pool2_buffer);
Willy Tarreau8263d2b2012-08-28 00:06:31 +02001225 pool_destroy2(pool2_channel);
Willy Tarreau332f8bf2007-05-13 21:36:56 +02001226 pool_destroy2(pool2_requri);
Willy Tarreauc6ca1a02007-05-13 19:43:47 +02001227 pool_destroy2(pool2_task);
Willy Tarreau086b3b42007-05-13 21:45:51 +02001228 pool_destroy2(pool2_capture);
Willy Tarreau63963c62007-05-13 21:29:55 +02001229 pool_destroy2(pool2_appsess);
Willy Tarreaue4d7e552007-05-13 20:19:55 +02001230 pool_destroy2(pool2_pendconn);
Willy Tarreau24f4efa2010-08-27 17:56:48 +02001231 pool_destroy2(pool2_sig_handlers);
Willy Tarreau34eb6712011-10-24 18:15:04 +02001232 pool_destroy2(pool2_hdr_idx);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001233
1234 if (have_appsession) {
Willy Tarreau63963c62007-05-13 21:29:55 +02001235 pool_destroy2(apools.serverid);
1236 pool_destroy2(apools.sessid);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001237 }
Krzysztof Piotr Oledzkia643baf2008-05-29 23:53:44 +02001238
1239 deinit_pollers();
Willy Tarreaubaaee002006-06-26 02:48:02 +02001240} /* end deinit() */
1241
Willy Tarreaubb545b42010-08-25 12:58:59 +02001242/* sends the signal <sig> to all pids found in <oldpids>. Returns the number of
1243 * pids the signal was correctly delivered to.
1244 */
1245static int tell_old_pids(int sig)
Willy Tarreaubaaee002006-06-26 02:48:02 +02001246{
1247 int p;
Willy Tarreaubb545b42010-08-25 12:58:59 +02001248 int ret = 0;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001249 for (p = 0; p < nb_oldpids; p++)
Willy Tarreaubb545b42010-08-25 12:58:59 +02001250 if (kill(oldpids[p], sig) == 0)
1251 ret++;
1252 return ret;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001253}
1254
Willy Tarreau918ff602011-07-25 16:33:49 +02001255/* Runs the polling loop */
Willy Tarreau4f60f162007-04-08 16:39:58 +02001256void run_poll_loop()
1257{
Willy Tarreau0c303ee2008-07-07 00:09:58 +02001258 int next;
Willy Tarreau4f60f162007-04-08 16:39:58 +02001259
Willy Tarreaub0b37bc2008-06-23 14:00:57 +02001260 tv_update_date(0,1);
Willy Tarreau4f60f162007-04-08 16:39:58 +02001261 while (1) {
Willy Tarreau29857942009-05-10 09:01:21 +02001262 /* check if we caught some signals and process them */
1263 signal_process_queue();
1264
Willy Tarreau58b458d2008-06-29 22:40:23 +02001265 /* Check if we can expire some tasks */
1266 wake_expired_tasks(&next);
1267
1268 /* Process a few tasks */
Willy Tarreaud825eef2007-05-12 22:35:00 +02001269 process_runnable_tasks(&next);
Willy Tarreau4f60f162007-04-08 16:39:58 +02001270
Willy Tarreauaf7ad002010-08-31 15:39:26 +02001271 /* stop when there's nothing left to do */
1272 if (jobs == 0)
Willy Tarreau4f60f162007-04-08 16:39:58 +02001273 break;
1274
Willy Tarreau58b458d2008-06-29 22:40:23 +02001275 /* The poller will ensure it returns around <next> */
Willy Tarreau0c303ee2008-07-07 00:09:58 +02001276 cur_poller.poll(&cur_poller, next);
Willy Tarreau09f24562012-11-11 16:43:45 +01001277 fd_process_spec_events();
Willy Tarreau4f60f162007-04-08 16:39:58 +02001278 }
1279}
1280
Willy Tarreaue9b26022011-08-01 20:57:55 +02001281/* This is the global management task for listeners. It enables listeners waiting
1282 * for global resources when there are enough free resource, or at least once in
1283 * a while. It is designed to be called as a task.
1284 */
1285static struct task *manage_global_listener_queue(struct task *t)
1286{
1287 int next = TICK_ETERNITY;
Willy Tarreaue9b26022011-08-01 20:57:55 +02001288 /* queue is empty, nothing to do */
1289 if (LIST_ISEMPTY(&global_listener_queue))
1290 goto out;
1291
1292 /* If there are still too many concurrent connections, let's wait for
1293 * some of them to go away. We don't need to re-arm the timer because
1294 * each of them will scan the queue anyway.
1295 */
1296 if (unlikely(actconn >= global.maxconn))
1297 goto out;
1298
1299 /* We should periodically try to enable listeners waiting for a global
1300 * resource here, because it is possible, though very unlikely, that
1301 * they have been blocked by a temporary lack of global resource such
1302 * as a file descriptor or memory and that the temporary condition has
1303 * disappeared.
1304 */
Willy Tarreauabacc2c2011-09-07 14:26:33 +02001305 dequeue_all_listeners(&global_listener_queue);
Willy Tarreaue9b26022011-08-01 20:57:55 +02001306
1307 out:
1308 t->expire = next;
1309 task_queue(t);
1310 return t;
1311}
Willy Tarreau4f60f162007-04-08 16:39:58 +02001312
Willy Tarreaubaaee002006-06-26 02:48:02 +02001313int main(int argc, char **argv)
1314{
1315 int err, retry;
1316 struct rlimit limit;
Emeric Bruncf20bf12010-10-22 16:06:11 +02001317 char errmsg[100];
Willy Tarreau269ab312012-09-05 08:02:48 +02001318 int pidfd = -1;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001319
Emeric Bruncf20bf12010-10-22 16:06:11 +02001320 init(argc, argv);
Willy Tarreau24f4efa2010-08-27 17:56:48 +02001321 signal_register_fct(SIGQUIT, dump, SIGQUIT);
1322 signal_register_fct(SIGUSR1, sig_soft_stop, SIGUSR1);
1323 signal_register_fct(SIGHUP, sig_dump_state, SIGHUP);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001324
Willy Tarreaue437c442010-03-17 18:02:46 +01001325 /* Always catch SIGPIPE even on platforms which define MSG_NOSIGNAL.
1326 * Some recent FreeBSD setups report broken pipes, and MSG_NOSIGNAL
1327 * was defined there, so let's stay on the safe side.
Willy Tarreaubaaee002006-06-26 02:48:02 +02001328 */
Willy Tarreau24f4efa2010-08-27 17:56:48 +02001329 signal_register_fct(SIGPIPE, NULL, 0);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001330
Willy Tarreaudc23a922011-02-16 11:10:36 +01001331 /* ulimits */
1332 if (!global.rlimit_nofile)
1333 global.rlimit_nofile = global.maxsock;
1334
1335 if (global.rlimit_nofile) {
1336 limit.rlim_cur = limit.rlim_max = global.rlimit_nofile;
1337 if (setrlimit(RLIMIT_NOFILE, &limit) == -1) {
1338 Warning("[%s.main()] Cannot raise FD limit to %d.\n", argv[0], global.rlimit_nofile);
1339 }
1340 }
1341
1342 if (global.rlimit_memmax) {
1343 limit.rlim_cur = limit.rlim_max =
1344 global.rlimit_memmax * 1048576 / global.nbproc;
1345#ifdef RLIMIT_AS
1346 if (setrlimit(RLIMIT_AS, &limit) == -1) {
1347 Warning("[%s.main()] Cannot fix MEM limit to %d megs.\n",
1348 argv[0], global.rlimit_memmax);
1349 }
1350#else
1351 if (setrlimit(RLIMIT_DATA, &limit) == -1) {
1352 Warning("[%s.main()] Cannot fix MEM limit to %d megs.\n",
1353 argv[0], global.rlimit_memmax);
1354 }
1355#endif
1356 }
1357
Willy Tarreaubaaee002006-06-26 02:48:02 +02001358 /* We will loop at most 100 times with 10 ms delay each time.
1359 * That's at most 1 second. We only send a signal to old pids
1360 * if we cannot grab at least one port.
1361 */
1362 retry = MAX_START_RETRIES;
1363 err = ERR_NONE;
1364 while (retry >= 0) {
1365 struct timeval w;
1366 err = start_proxies(retry == 0 || nb_oldpids == 0);
Willy Tarreaue13e9252007-12-20 23:05:50 +01001367 /* exit the loop on no error or fatal error */
1368 if ((err & (ERR_RETRYABLE|ERR_FATAL)) != ERR_RETRYABLE)
Willy Tarreaubaaee002006-06-26 02:48:02 +02001369 break;
Willy Tarreaubb545b42010-08-25 12:58:59 +02001370 if (nb_oldpids == 0 || retry == 0)
Willy Tarreaubaaee002006-06-26 02:48:02 +02001371 break;
1372
1373 /* FIXME-20060514: Solaris and OpenBSD do not support shutdown() on
1374 * listening sockets. So on those platforms, it would be wiser to
1375 * simply send SIGUSR1, which will not be undoable.
1376 */
Willy Tarreaubb545b42010-08-25 12:58:59 +02001377 if (tell_old_pids(SIGTTOU) == 0) {
1378 /* no need to wait if we can't contact old pids */
1379 retry = 0;
1380 continue;
1381 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001382 /* give some time to old processes to stop listening */
1383 w.tv_sec = 0;
1384 w.tv_usec = 10*1000;
1385 select(0, NULL, NULL, NULL, &w);
1386 retry--;
1387 }
1388
1389 /* Note: start_proxies() sends an alert when it fails. */
Willy Tarreau0a3b9d92009-02-04 17:05:23 +01001390 if ((err & ~ERR_WARN) != ERR_NONE) {
Willy Tarreauf68da462009-06-09 14:36:00 +02001391 if (retry != MAX_START_RETRIES && nb_oldpids) {
1392 protocol_unbind_all(); /* cleanup everything we can */
Willy Tarreaubaaee002006-06-26 02:48:02 +02001393 tell_old_pids(SIGTTIN);
Willy Tarreauf68da462009-06-09 14:36:00 +02001394 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001395 exit(1);
1396 }
1397
1398 if (listeners == 0) {
1399 Alert("[%s.main()] No enabled listener found (check the <listen> keywords) ! Exiting.\n", argv[0]);
1400 /* Note: we don't have to send anything to the old pids because we
1401 * never stopped them. */
1402 exit(1);
1403 }
1404
Emeric Bruncf20bf12010-10-22 16:06:11 +02001405 err = protocol_bind_all(errmsg, sizeof(errmsg));
1406 if ((err & ~ERR_WARN) != ERR_NONE) {
1407 if ((err & ERR_ALERT) || (err & ERR_WARN))
1408 Alert("[%s.main()] %s.\n", argv[0], errmsg);
1409
Willy Tarreaudd815982007-10-16 12:25:14 +02001410 Alert("[%s.main()] Some protocols failed to start their listeners! Exiting.\n", argv[0]);
1411 protocol_unbind_all(); /* cleanup everything we can */
1412 if (nb_oldpids)
1413 tell_old_pids(SIGTTIN);
1414 exit(1);
Emeric Bruncf20bf12010-10-22 16:06:11 +02001415 } else if (err & ERR_WARN) {
1416 Alert("[%s.main()] %s.\n", argv[0], errmsg);
Willy Tarreaudd815982007-10-16 12:25:14 +02001417 }
1418
Willy Tarreaubaaee002006-06-26 02:48:02 +02001419 /* prepare pause/play signals */
Willy Tarreau24f4efa2010-08-27 17:56:48 +02001420 signal_register_fct(SIGTTOU, sig_pause, SIGTTOU);
1421 signal_register_fct(SIGTTIN, sig_listen, SIGTTIN);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001422
Willy Tarreaubaaee002006-06-26 02:48:02 +02001423 /* MODE_QUIET can inhibit alerts and warnings below this line */
1424
1425 global.mode &= ~MODE_STARTING;
1426 if ((global.mode & MODE_QUIET) && !(global.mode & MODE_VERBOSE)) {
1427 /* detach from the tty */
1428 fclose(stdin); fclose(stdout); fclose(stderr);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001429 }
1430
1431 /* open log & pid files before the chroot */
Marc-Antoine Perennou992709b2013-02-12 10:53:52 +01001432 if (global.mode & (MODE_DAEMON | MODE_SYSTEMD) && global.pidfile != NULL) {
Willy Tarreaubaaee002006-06-26 02:48:02 +02001433 unlink(global.pidfile);
1434 pidfd = open(global.pidfile, O_CREAT | O_WRONLY | O_TRUNC, 0644);
1435 if (pidfd < 0) {
1436 Alert("[%s.main()] Cannot create pidfile %s\n", argv[0], global.pidfile);
1437 if (nb_oldpids)
1438 tell_old_pids(SIGTTIN);
Willy Tarreaudd815982007-10-16 12:25:14 +02001439 protocol_unbind_all();
Willy Tarreaubaaee002006-06-26 02:48:02 +02001440 exit(1);
1441 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001442 }
1443
Willy Tarreaub38651a2007-03-24 17:24:39 +01001444#ifdef CONFIG_HAP_CTTPROXY
1445 if (global.last_checks & LSTCHK_CTTPROXY) {
1446 int ret;
1447
1448 ret = check_cttproxy_version();
1449 if (ret < 0) {
1450 Alert("[%s.main()] Cannot enable cttproxy.\n%s",
1451 argv[0],
1452 (ret == -1) ? " Incorrect module version.\n"
1453 : " Make sure you have enough permissions and that the module is loaded.\n");
Willy Tarreaudd815982007-10-16 12:25:14 +02001454 protocol_unbind_all();
Willy Tarreaub38651a2007-03-24 17:24:39 +01001455 exit(1);
1456 }
1457 }
1458#endif
1459
1460 if ((global.last_checks & LSTCHK_NETADM) && global.uid) {
1461 Alert("[%s.main()] Some configuration options require full privileges, so global.uid cannot be changed.\n"
Willy Tarreau4e30ed72009-02-04 18:02:48 +01001462 "", argv[0]);
Willy Tarreaudd815982007-10-16 12:25:14 +02001463 protocol_unbind_all();
Willy Tarreaub38651a2007-03-24 17:24:39 +01001464 exit(1);
1465 }
1466
Willy Tarreau4e30ed72009-02-04 18:02:48 +01001467 /* If the user is not root, we'll still let him try the configuration
1468 * but we inform him that unexpected behaviour may occur.
1469 */
1470 if ((global.last_checks & LSTCHK_NETADM) && getuid())
1471 Warning("[%s.main()] Some options which require full privileges"
1472 " might not work well.\n"
1473 "", argv[0]);
1474
Willy Tarreauf223cc02007-10-15 18:57:08 +02001475 /* chroot if needed */
1476 if (global.chroot != NULL) {
Willy Tarreau21337822012-04-29 14:11:38 +02001477 if (chroot(global.chroot) == -1 || chdir("/") == -1) {
Willy Tarreauf223cc02007-10-15 18:57:08 +02001478 Alert("[%s.main()] Cannot chroot(%s).\n", argv[0], global.chroot);
1479 if (nb_oldpids)
1480 tell_old_pids(SIGTTIN);
Willy Tarreaudd815982007-10-16 12:25:14 +02001481 protocol_unbind_all();
Willy Tarreauf223cc02007-10-15 18:57:08 +02001482 exit(1);
1483 }
Willy Tarreauf223cc02007-10-15 18:57:08 +02001484 }
1485
Willy Tarreaubaaee002006-06-26 02:48:02 +02001486 if (nb_oldpids)
Willy Tarreaubb545b42010-08-25 12:58:59 +02001487 nb_oldpids = tell_old_pids(oldpids_sig);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001488
1489 /* Note that any error at this stage will be fatal because we will not
1490 * be able to restart the old pids.
1491 */
1492
1493 /* setgid / setuid */
Michael Schererab012dd2013-01-12 18:35:19 +01001494 if (global.gid) {
1495 if (getgroups(0, NULL) > 0 && setgroups(0, NULL) == -1)
1496 Warning("[%s.main()] Failed to drop supplementary groups. Using 'gid'/'group'"
1497 " without 'uid'/'user' is generally useless.\n", argv[0]);
1498
1499 if (setgid(global.gid) == -1) {
1500 Alert("[%s.main()] Cannot set gid %d.\n", argv[0], global.gid);
1501 protocol_unbind_all();
1502 exit(1);
1503 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001504 }
1505
1506 if (global.uid && setuid(global.uid) == -1) {
1507 Alert("[%s.main()] Cannot set uid %d.\n", argv[0], global.uid);
Willy Tarreaudd815982007-10-16 12:25:14 +02001508 protocol_unbind_all();
Willy Tarreaubaaee002006-06-26 02:48:02 +02001509 exit(1);
1510 }
1511
1512 /* check ulimits */
1513 limit.rlim_cur = limit.rlim_max = 0;
1514 getrlimit(RLIMIT_NOFILE, &limit);
1515 if (limit.rlim_cur < global.maxsock) {
1516 Warning("[%s.main()] FD limit (%d) too low for maxconn=%d/maxsock=%d. Please raise 'ulimit-n' to %d or more to avoid any trouble.\n",
Willy Tarreau1772ece2009-04-03 14:49:12 +02001517 argv[0], (int)limit.rlim_cur, global.maxconn, global.maxsock, global.maxsock);
Willy Tarreaubaaee002006-06-26 02:48:02 +02001518 }
1519
Marc-Antoine Perennou992709b2013-02-12 10:53:52 +01001520 if (global.mode & (MODE_DAEMON | MODE_SYSTEMD)) {
Willy Tarreau0b9c02c2009-02-04 22:05:05 +01001521 struct proxy *px;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001522 int ret = 0;
Marc-Antoine Perennou992709b2013-02-12 10:53:52 +01001523 int *children = calloc(global.nbproc, sizeof(int));
Willy Tarreaubaaee002006-06-26 02:48:02 +02001524 int proc;
1525
1526 /* the father launches the required number of processes */
1527 for (proc = 0; proc < global.nbproc; proc++) {
1528 ret = fork();
1529 if (ret < 0) {
1530 Alert("[%s.main()] Cannot fork.\n", argv[0]);
Willy Tarreaudd815982007-10-16 12:25:14 +02001531 protocol_unbind_all();
Willy Tarreaud6803712007-10-16 07:44:56 +02001532 exit(1); /* there has been an error */
Willy Tarreaubaaee002006-06-26 02:48:02 +02001533 }
1534 else if (ret == 0) /* child breaks here */
1535 break;
Marc-Antoine Perennou992709b2013-02-12 10:53:52 +01001536 children[proc] = ret;
Willy Tarreau269ab312012-09-05 08:02:48 +02001537 if (pidfd >= 0) {
1538 char pidstr[100];
1539 snprintf(pidstr, sizeof(pidstr), "%d\n", ret);
Willy Tarreauaa52bef2012-09-07 22:18:59 +02001540 if (write(pidfd, pidstr, strlen(pidstr)) < 0) /* shut gcc warning */;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001541 }
Willy Tarreaudcd47712007-11-04 23:35:08 +01001542 relative_pid++; /* each child will get a different one */
Willy Tarreaubaaee002006-06-26 02:48:02 +02001543 }
Willy Tarreaufc6c0322012-11-16 16:12:27 +01001544
1545#ifdef USE_CPU_AFFINITY
1546 if (proc < global.nbproc && /* child */
1547 proc < 32 && /* only the first 32 processes may be pinned */
1548 global.cpu_map[proc]) /* only do this if the process has a CPU map */
1549 sched_setaffinity(0, sizeof(unsigned long), (void *)&global.cpu_map[proc]);
1550#endif
Willy Tarreaubaaee002006-06-26 02:48:02 +02001551 /* close the pidfile both in children and father */
Willy Tarreau269ab312012-09-05 08:02:48 +02001552 if (pidfd >= 0) {
1553 //lseek(pidfd, 0, SEEK_SET); /* debug: emulate eglibc bug */
1554 close(pidfd);
1555 }
Willy Tarreaud137dd32010-08-25 12:49:05 +02001556
1557 /* We won't ever use this anymore */
1558 free(oldpids); oldpids = NULL;
1559 free(global.chroot); global.chroot = NULL;
1560 free(global.pidfile); global.pidfile = NULL;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001561
Willy Tarreau0b9c02c2009-02-04 22:05:05 +01001562 /* we might have to unbind some proxies from some processes */
1563 px = proxy;
1564 while (px != NULL) {
1565 if (px->bind_proc && px->state != PR_STSTOPPED) {
1566 if (!(px->bind_proc & (1 << proc)))
1567 stop_proxy(px);
1568 }
1569 px = px->next;
1570 }
1571
Marc-Antoine Perennou992709b2013-02-12 10:53:52 +01001572 if (proc == global.nbproc) {
1573 if (global.mode & MODE_SYSTEMD) {
1574 for (proc = 0; proc < global.nbproc; proc++)
1575 while (waitpid(children[proc], NULL, 0) == -1 && errno == EINTR);
1576 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001577 exit(0); /* parent must leave */
Marc-Antoine Perennou992709b2013-02-12 10:53:52 +01001578 }
Willy Tarreaubaaee002006-06-26 02:48:02 +02001579
1580 /* if we're NOT in QUIET mode, we should now close the 3 first FDs to ensure
1581 * that we can detach from the TTY. We MUST NOT do it in other cases since
1582 * it would have already be done, and 0-2 would have been affected to listening
1583 * sockets
1584 */
Willy Tarreau106cb762008-11-16 07:40:34 +01001585 if (!(global.mode & MODE_QUIET) || (global.mode & MODE_VERBOSE)) {
Willy Tarreaubaaee002006-06-26 02:48:02 +02001586 /* detach from the tty */
1587 fclose(stdin); fclose(stdout); fclose(stderr);
Willy Tarreau106cb762008-11-16 07:40:34 +01001588 global.mode &= ~MODE_VERBOSE;
Willy Tarreaubaaee002006-06-26 02:48:02 +02001589 global.mode |= MODE_QUIET; /* ensure that we won't say anything from now */
1590 }
1591 pid = getpid(); /* update child's pid */
1592 setsid();
Willy Tarreau2ff76222007-04-09 19:29:56 +02001593 fork_poller();
Willy Tarreaubaaee002006-06-26 02:48:02 +02001594 }
1595
Willy Tarreaudd815982007-10-16 12:25:14 +02001596 protocol_enable_all();
Willy Tarreau4f60f162007-04-08 16:39:58 +02001597 /*
1598 * That's it : the central polling loop. Run until we stop.
1599 */
1600 run_poll_loop();
Willy Tarreaubaaee002006-06-26 02:48:02 +02001601
1602 /* Free all Hash Keys and all Hash elements */
1603 appsession_cleanup();
1604 /* Do some cleanup */
1605 deinit();
1606
1607 exit(0);
1608}
1609
1610
1611/*
1612 * Local variables:
1613 * c-indent-level: 8
1614 * c-basic-offset: 8
1615 * End:
1616 */