Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1 | /* |
| 2 | * HA-Proxy : High Availability-enabled HTTP/TCP proxy |
Willy Tarreau | 65e94d1 | 2018-08-02 18:12:50 +0200 | [diff] [blame] | 3 | * Copyright 2000-2018 Willy Tarreau <willy@haproxy.org>. |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 4 | * |
| 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 | * |
Lukas Tribus | 2395368 | 2017-04-28 13:24:30 +0000 | [diff] [blame] | 10 | * Please refer to RFC7230 - RFC7235 informations about HTTP protocol, and |
| 11 | * RFC6265 for informations about cookies usage. More generally, the IETF HTTP |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 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 Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 26 | */ |
| 27 | |
David Carlier | 7ece096 | 2015-12-08 21:43:09 +0000 | [diff] [blame] | 28 | #define _GNU_SOURCE |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 29 | #include <stdio.h> |
| 30 | #include <stdlib.h> |
| 31 | #include <unistd.h> |
| 32 | #include <string.h> |
| 33 | #include <ctype.h> |
Maxime de Roucy | 379d9c7 | 2016-05-13 23:52:56 +0200 | [diff] [blame] | 34 | #include <dirent.h> |
Maxime de Roucy | 379d9c7 | 2016-05-13 23:52:56 +0200 | [diff] [blame] | 35 | #include <sys/stat.h> |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 36 | #include <sys/time.h> |
| 37 | #include <sys/types.h> |
| 38 | #include <sys/socket.h> |
| 39 | #include <netinet/tcp.h> |
| 40 | #include <netinet/in.h> |
| 41 | #include <arpa/inet.h> |
Olivier Houchard | f73629d | 2017-04-05 22:33:04 +0200 | [diff] [blame] | 42 | #include <net/if.h> |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 43 | #include <netdb.h> |
| 44 | #include <fcntl.h> |
| 45 | #include <errno.h> |
| 46 | #include <signal.h> |
| 47 | #include <stdarg.h> |
| 48 | #include <sys/resource.h> |
Marc-Antoine Perennou | 992709b | 2013-02-12 10:53:52 +0100 | [diff] [blame] | 49 | #include <sys/wait.h> |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 50 | #include <time.h> |
| 51 | #include <syslog.h> |
Michael Scherer | ab012dd | 2013-01-12 18:35:19 +0100 | [diff] [blame] | 52 | #include <grp.h> |
Willy Tarreau | fc6c032 | 2012-11-16 16:12:27 +0100 | [diff] [blame] | 53 | #ifdef USE_CPU_AFFINITY |
Willy Tarreau | fc6c032 | 2012-11-16 16:12:27 +0100 | [diff] [blame] | 54 | #include <sched.h> |
Pieter Baauw | caa6a1b | 2015-09-17 21:26:40 +0200 | [diff] [blame] | 55 | #ifdef __FreeBSD__ |
| 56 | #include <sys/param.h> |
| 57 | #include <sys/cpuset.h> |
David Carlier | 6d5c841 | 2017-11-29 11:02:32 +0000 | [diff] [blame] | 58 | #include <pthread_np.h> |
Pieter Baauw | caa6a1b | 2015-09-17 21:26:40 +0200 | [diff] [blame] | 59 | #endif |
Willy Tarreau | fc6c032 | 2012-11-16 16:12:27 +0100 | [diff] [blame] | 60 | #endif |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 61 | |
| 62 | #ifdef DEBUG_FULL |
| 63 | #include <assert.h> |
| 64 | #endif |
Tim Duesterhus | d6942c8 | 2017-11-20 15:58:35 +0100 | [diff] [blame] | 65 | #if defined(USE_SYSTEMD) |
| 66 | #include <systemd/sd-daemon.h> |
| 67 | #endif |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 68 | |
Willy Tarreau | 2dd0d47 | 2006-06-29 17:53:05 +0200 | [diff] [blame] | 69 | #include <common/base64.h> |
| 70 | #include <common/cfgparse.h> |
Willy Tarreau | c7e4238 | 2012-08-24 19:22:53 +0200 | [diff] [blame] | 71 | #include <common/chunk.h> |
Willy Tarreau | 2dd0d47 | 2006-06-29 17:53:05 +0200 | [diff] [blame] | 72 | #include <common/compat.h> |
| 73 | #include <common/config.h> |
| 74 | #include <common/defaults.h> |
Willy Tarreau | d740bab | 2007-10-28 11:14:07 +0100 | [diff] [blame] | 75 | #include <common/errors.h> |
Willy Tarreau | 2dd0d47 | 2006-06-29 17:53:05 +0200 | [diff] [blame] | 76 | #include <common/memory.h> |
| 77 | #include <common/mini-clist.h> |
KOVACS Krisztian | b3e54fe | 2014-11-17 15:11:45 +0100 | [diff] [blame] | 78 | #include <common/namespace.h> |
Willy Tarreau | 2dd0d47 | 2006-06-29 17:53:05 +0200 | [diff] [blame] | 79 | #include <common/regex.h> |
| 80 | #include <common/standard.h> |
| 81 | #include <common/time.h> |
| 82 | #include <common/uri_auth.h> |
| 83 | #include <common/version.h> |
Christopher Faulet | be0faa2 | 2017-08-29 15:37:10 +0200 | [diff] [blame] | 84 | #include <common/hathreads.h> |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 85 | |
| 86 | #include <types/capture.h> |
William Lallemand | ce83b4a | 2018-10-26 14:47:30 +0200 | [diff] [blame] | 87 | #include <types/cli.h> |
Christopher Faulet | d7c9196 | 2015-04-30 11:48:27 +0200 | [diff] [blame] | 88 | #include <types/filters.h> |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 89 | #include <types/global.h> |
Simon Horman | ac82142 | 2011-07-15 13:14:09 +0900 | [diff] [blame] | 90 | #include <types/acl.h> |
Willy Tarreau | 3c63fd8 | 2011-09-07 18:00:47 +0200 | [diff] [blame] | 91 | #include <types/peers.h> |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 92 | |
Willy Tarreau | 0fc45a7 | 2007-06-17 00:36:03 +0200 | [diff] [blame] | 93 | #include <proto/acl.h> |
Willy Tarreau | 2e845be | 2012-10-19 19:49:09 +0200 | [diff] [blame] | 94 | #include <proto/arg.h> |
Willy Tarreau | 3c595ac | 2015-04-19 09:59:31 +0200 | [diff] [blame] | 95 | #include <proto/auth.h> |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 96 | #include <proto/backend.h> |
Willy Tarreau | c7e4238 | 2012-08-24 19:22:53 +0200 | [diff] [blame] | 97 | #include <proto/channel.h> |
William Lallemand | ce83b4a | 2018-10-26 14:47:30 +0200 | [diff] [blame] | 98 | #include <proto/cli.h> |
Willy Tarreau | f2943dc | 2012-10-26 20:10:28 +0200 | [diff] [blame] | 99 | #include <proto/connection.h> |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 100 | #include <proto/fd.h> |
Christopher Faulet | d7c9196 | 2015-04-30 11:48:27 +0200 | [diff] [blame] | 101 | #include <proto/filters.h> |
Willy Tarreau | 34eb671 | 2011-10-24 18:15:04 +0200 | [diff] [blame] | 102 | #include <proto/hdr_idx.h> |
Thierry FOURNIER | 6f1fd48 | 2015-01-23 14:06:13 +0100 | [diff] [blame] | 103 | #include <proto/hlua.h> |
Willy Tarreau | 61c112a | 2018-10-02 16:43:32 +0200 | [diff] [blame] | 104 | #include <proto/http_rules.h> |
Willy Tarreau | d1d5454 | 2012-09-12 22:58:11 +0200 | [diff] [blame] | 105 | #include <proto/listener.h> |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 106 | #include <proto/log.h> |
Thierry FOURNIER | af5a29d | 2014-03-11 14:29:22 +0100 | [diff] [blame] | 107 | #include <proto/pattern.h> |
Willy Tarreau | d1d5454 | 2012-09-12 22:58:11 +0200 | [diff] [blame] | 108 | #include <proto/protocol.h> |
Willy Tarreau | 8058743 | 2006-12-24 17:47:20 +0100 | [diff] [blame] | 109 | #include <proto/proto_http.h> |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 110 | #include <proto/proxy.h> |
| 111 | #include <proto/queue.h> |
| 112 | #include <proto/server.h> |
Willy Tarreau | b1ec8c4 | 2015-04-03 13:53:24 +0200 | [diff] [blame] | 113 | #include <proto/session.h> |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 114 | #include <proto/stream.h> |
Willy Tarreau | 2985794 | 2009-05-10 09:01:21 +0200 | [diff] [blame] | 115 | #include <proto/signal.h> |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 116 | #include <proto/task.h> |
Baptiste Assmann | 325137d | 2015-04-13 23:40:55 +0200 | [diff] [blame] | 117 | #include <proto/dns.h> |
Christopher Faulet | ff2613e | 2016-11-09 11:36:17 +0100 | [diff] [blame] | 118 | #include <proto/vars.h> |
Willy Tarreau | 50bc31d | 2017-08-16 15:35:19 +0200 | [diff] [blame] | 119 | #ifdef USE_OPENSSL |
Grant Zhang | 872f9c2 | 2017-01-21 01:10:18 +0000 | [diff] [blame] | 120 | #include <proto/ssl_sock.h> |
Willy Tarreau | 50bc31d | 2017-08-16 15:35:19 +0200 | [diff] [blame] | 121 | #endif |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 122 | |
Willy Tarreau | 477ecd8 | 2010-01-03 21:12:30 +0100 | [diff] [blame] | 123 | /* list of config files */ |
| 124 | static struct list cfg_cfgfiles = LIST_HEAD_INIT(cfg_cfgfiles); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 125 | int pid; /* current process id */ |
Willy Tarreau | 2815664 | 2007-11-26 16:13:36 +0100 | [diff] [blame] | 126 | int relative_pid = 1; /* process id starting at 1 */ |
Willy Tarreau | 387bd4f | 2017-11-10 19:08:14 +0100 | [diff] [blame] | 127 | unsigned long pid_bit = 1; /* bit corresponding to the process id */ |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 128 | |
Olivier Houchard | 79321b9 | 2018-07-26 17:55:11 +0200 | [diff] [blame] | 129 | volatile unsigned long sleeping_thread_mask; /* Threads that are about to sleep in poll() */ |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 130 | /* global options */ |
| 131 | struct global global = { |
Cyril Bonté | 203ec5a | 2017-03-23 22:44:13 +0100 | [diff] [blame] | 132 | .hard_stop_after = TICK_ETERNITY, |
Willy Tarreau | 247a13a | 2012-11-15 17:38:15 +0100 | [diff] [blame] | 133 | .nbproc = 1, |
Christopher Faulet | be0faa2 | 2017-08-29 15:37:10 +0200 | [diff] [blame] | 134 | .nbthread = 1, |
William Lallemand | 5f23240 | 2012-04-05 18:02:55 +0200 | [diff] [blame] | 135 | .req_count = 0, |
William Lallemand | 0f99e34 | 2011-10-12 17:50:54 +0200 | [diff] [blame] | 136 | .logsrvs = LIST_HEAD_INIT(global.logsrvs), |
William Lallemand | 9d5f548 | 2012-11-07 16:12:57 +0100 | [diff] [blame] | 137 | .maxzlibmem = 0, |
William Lallemand | d85f917 | 2012-11-09 17:05:39 +0100 | [diff] [blame] | 138 | .comp_rate_lim = 0, |
Emeric Brun | 850efd5 | 2014-01-29 12:24:34 +0100 | [diff] [blame] | 139 | .ssl_server_verify = SSL_SERVER_VERIFY_REQUIRED, |
Emeric Brun | ed76092 | 2010-10-22 17:59:25 +0200 | [diff] [blame] | 140 | .unix_bind = { |
| 141 | .ux = { |
| 142 | .uid = -1, |
| 143 | .gid = -1, |
| 144 | .mode = 0, |
| 145 | } |
| 146 | }, |
Willy Tarreau | 27a674e | 2009-08-17 07:23:33 +0200 | [diff] [blame] | 147 | .tune = { |
| 148 | .bufsize = BUFSIZE, |
Willy Tarreau | 2709784 | 2015-09-28 13:53:23 +0200 | [diff] [blame] | 149 | .maxrewrite = -1, |
Willy Tarreau | 43961d5 | 2010-10-04 20:39:20 +0200 | [diff] [blame] | 150 | .chksize = BUFSIZE, |
Willy Tarreau | a24adf0 | 2014-11-27 01:11:56 +0100 | [diff] [blame] | 151 | .reserved_bufs = RESERVED_BUFS, |
Willy Tarreau | f3045d2 | 2015-04-29 16:24:50 +0200 | [diff] [blame] | 152 | .pattern_cache = DEFAULT_PAT_LRU_SIZE, |
Emeric Brun | fc32aca | 2012-09-03 12:10:29 +0200 | [diff] [blame] | 153 | #ifdef USE_OPENSSL |
Emeric Brun | 4663577 | 2012-11-14 11:32:56 +0100 | [diff] [blame] | 154 | .sslcachesize = SSLCACHESIZE, |
Emeric Brun | fc32aca | 2012-09-03 12:10:29 +0200 | [diff] [blame] | 155 | #endif |
William Lallemand | f374783 | 2012-11-09 12:33:10 +0100 | [diff] [blame] | 156 | .comp_maxlevel = 1, |
Willy Tarreau | 7e31273 | 2014-02-12 16:35:14 +0100 | [diff] [blame] | 157 | #ifdef DEFAULT_IDLE_TIMER |
| 158 | .idle_timer = DEFAULT_IDLE_TIMER, |
| 159 | #else |
| 160 | .idle_timer = 1000, /* 1 second */ |
| 161 | #endif |
Willy Tarreau | 27a674e | 2009-08-17 07:23:33 +0200 | [diff] [blame] | 162 | }, |
Emeric Brun | 76d8895 | 2012-10-05 15:47:31 +0200 | [diff] [blame] | 163 | #ifdef USE_OPENSSL |
| 164 | #ifdef DEFAULT_MAXSSLCONN |
Willy Tarreau | 403edff | 2012-09-06 11:58:37 +0200 | [diff] [blame] | 165 | .maxsslconn = DEFAULT_MAXSSLCONN, |
| 166 | #endif |
Emeric Brun | 76d8895 | 2012-10-05 15:47:31 +0200 | [diff] [blame] | 167 | #endif |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 168 | /* others NULL OK */ |
| 169 | }; |
| 170 | |
Willy Tarreau | d80cb4e | 2018-01-20 19:30:13 +0100 | [diff] [blame] | 171 | struct activity activity[MAX_THREADS] __attribute__((aligned(64))) = { }; |
| 172 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 173 | /*********************************************************************/ |
| 174 | |
| 175 | int stopping; /* non zero means stopping in progress */ |
Cyril Bonté | 203ec5a | 2017-03-23 22:44:13 +0100 | [diff] [blame] | 176 | int killed; /* non zero means a hard-stop is triggered */ |
Willy Tarreau | af7ad00 | 2010-08-31 15:39:26 +0200 | [diff] [blame] | 177 | int jobs = 0; /* number of active jobs (conns, listeners, active tasks, ...) */ |
Willy Tarreau | 199ad24 | 2018-11-05 16:31:22 +0100 | [diff] [blame] | 178 | int active_peers = 0; /* number of active peers (connection attempts and connected) */ |
Willy Tarreau | 2d372c2 | 2018-11-05 17:12:27 +0100 | [diff] [blame] | 179 | int connected_peers = 0; /* number of connected peers (verified ones) */ |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 180 | |
| 181 | /* Here we store informations about the pids of the processes we may pause |
| 182 | * or kill. We will send them a signal every 10 ms until we can bind to all |
| 183 | * our ports. With 200 retries, that's about 2 seconds. |
| 184 | */ |
| 185 | #define MAX_START_RETRIES 200 |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 186 | static int *oldpids = NULL; |
| 187 | static int oldpids_sig; /* use USR1 or TERM */ |
| 188 | |
Olivier Houchard | f73629d | 2017-04-05 22:33:04 +0200 | [diff] [blame] | 189 | /* Path to the unix socket we use to retrieve listener sockets from the old process */ |
| 190 | static const char *old_unixsocket; |
| 191 | |
William Lallemand | 85b0bd9 | 2017-06-01 17:38:53 +0200 | [diff] [blame] | 192 | static char *cur_unixsocket = NULL; |
| 193 | |
William Lallemand | cb11fd2 | 2017-06-01 17:38:52 +0200 | [diff] [blame] | 194 | int atexit_flag = 0; |
| 195 | |
Willy Tarreau | bb545b4 | 2010-08-25 12:58:59 +0200 | [diff] [blame] | 196 | int nb_oldpids = 0; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 197 | const int zero = 0; |
| 198 | const int one = 1; |
Alexandre Cassen | 87ea548 | 2007-10-11 20:48:58 +0200 | [diff] [blame] | 199 | const struct linger nolinger = { .l_onoff = 1, .l_linger = 0 }; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 200 | |
Willy Tarreau | 1d21e0a | 2010-03-12 21:58:54 +0100 | [diff] [blame] | 201 | char hostname[MAX_HOSTNAME_LEN]; |
Emeric Brun | 2b920a1 | 2010-09-23 18:30:22 +0200 | [diff] [blame] | 202 | char localpeer[MAX_HOSTNAME_LEN]; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 203 | |
Willy Tarreau | 89efaed | 2013-12-13 15:14:55 +0100 | [diff] [blame] | 204 | /* used from everywhere just to drain results we don't want to read and which |
| 205 | * recent versions of gcc increasingly and annoyingly complain about. |
| 206 | */ |
| 207 | int shut_your_big_mouth_gcc_int = 0; |
| 208 | |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 209 | int *children = NULL; /* store PIDs of children in master workers mode */ |
| 210 | |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 211 | static char **next_argv = NULL; |
| 212 | |
William Lallemand | bc19305 | 2018-09-11 10:06:26 +0200 | [diff] [blame] | 213 | struct list proc_list = LIST_HEAD_INIT(proc_list); |
| 214 | |
| 215 | int master = 0; /* 1 if in master, 0 if in child */ |
| 216 | |
William Lallemand | bc19305 | 2018-09-11 10:06:26 +0200 | [diff] [blame] | 217 | struct mworker_proc *proc_self; |
| 218 | |
Willy Tarreau | 08ceb10 | 2011-07-24 22:58:00 +0200 | [diff] [blame] | 219 | /* list of the temporarily limited listeners because of lack of resource */ |
| 220 | struct list global_listener_queue = LIST_HEAD_INIT(global_listener_queue); |
Willy Tarreau | e9b2602 | 2011-08-01 20:57:55 +0200 | [diff] [blame] | 221 | struct task *global_listener_queue_task; |
Olivier Houchard | 9f6af33 | 2018-05-25 14:04:04 +0200 | [diff] [blame] | 222 | static struct task *manage_global_listener_queue(struct task *t, void *context, unsigned short state); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 223 | |
William Lallemand | b3f2be3 | 2018-09-11 10:06:18 +0200 | [diff] [blame] | 224 | static void *run_thread_poll_loop(void *data); |
| 225 | |
Willy Tarreau | ff05550 | 2014-04-28 22:27:06 +0200 | [diff] [blame] | 226 | /* bitfield of a few warnings to emit just once (WARN_*) */ |
| 227 | unsigned int warned = 0; |
| 228 | |
William Lallemand | e736115 | 2018-10-26 14:47:36 +0200 | [diff] [blame] | 229 | /* master CLI configuration (-S flag) */ |
| 230 | struct list mworker_cli_conf = LIST_HEAD_INIT(mworker_cli_conf); |
Willy Tarreau | cdb737e | 2016-12-21 18:43:10 +0100 | [diff] [blame] | 231 | |
| 232 | /* These are strings to be reported in the output of "haproxy -vv". They may |
| 233 | * either be constants (in which case must_free must be zero) or dynamically |
| 234 | * allocated strings to pass to free() on exit, and in this case must_free |
| 235 | * must be non-zero. |
| 236 | */ |
| 237 | struct list build_opts_list = LIST_HEAD_INIT(build_opts_list); |
| 238 | struct build_opts_str { |
| 239 | struct list list; |
| 240 | const char *str; |
| 241 | int must_free; |
| 242 | }; |
| 243 | |
Willy Tarreau | e694573 | 2016-12-21 19:57:00 +0100 | [diff] [blame] | 244 | /* These functions are called just after the point where the program exits |
| 245 | * after a config validity check, so they are generally suited for resource |
| 246 | * allocation and slow initializations that should be skipped during basic |
| 247 | * config checks. The functions must return 0 on success, or a combination |
| 248 | * of ERR_* flags (ERR_WARN, ERR_ABORT, ERR_FATAL, ...). The 2 latter cause |
| 249 | * and immediate exit, so the function must have emitted any useful error. |
| 250 | */ |
| 251 | struct list post_check_list = LIST_HEAD_INIT(post_check_list); |
| 252 | struct post_check_fct { |
| 253 | struct list list; |
| 254 | int (*fct)(); |
| 255 | }; |
| 256 | |
Willy Tarreau | 05554e6 | 2016-12-21 20:46:26 +0100 | [diff] [blame] | 257 | /* These functions are called when freeing the global sections at the end |
| 258 | * of deinit, after everything is stopped. They don't return anything, and |
| 259 | * they work in best effort mode as their sole goal is to make valgrind |
| 260 | * mostly happy. |
| 261 | */ |
| 262 | struct list post_deinit_list = LIST_HEAD_INIT(post_deinit_list); |
| 263 | struct post_deinit_fct { |
| 264 | struct list list; |
| 265 | void (*fct)(); |
| 266 | }; |
| 267 | |
Christopher Faulet | 415f611 | 2017-07-25 16:52:58 +0200 | [diff] [blame] | 268 | /* These functions are called for each thread just after the thread creation |
| 269 | * and before running the scheduler. They should be used to do per-thread |
| 270 | * initializations. They must return 0 if an error occurred. */ |
| 271 | struct list per_thread_init_list = LIST_HEAD_INIT(per_thread_init_list); |
| 272 | struct per_thread_init_fct { |
| 273 | struct list list; |
| 274 | int (*fct)(); |
| 275 | }; |
| 276 | |
| 277 | /* These functions are called for each thread just after the scheduler loop and |
| 278 | * before exiting the thread. They don't return anything and, as for post-deinit |
| 279 | * functions, they work in best effort mode as their sole goal is to make |
| 280 | * valgrind mostly happy. */ |
| 281 | struct list per_thread_deinit_list = LIST_HEAD_INIT(per_thread_deinit_list); |
| 282 | struct per_thread_deinit_fct { |
| 283 | struct list list; |
| 284 | void (*fct)(); |
| 285 | }; |
| 286 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 287 | /*********************************************************************/ |
| 288 | /* general purpose functions ***************************************/ |
| 289 | /*********************************************************************/ |
| 290 | |
Willy Tarreau | cdb737e | 2016-12-21 18:43:10 +0100 | [diff] [blame] | 291 | /* used to register some build option strings at boot. Set must_free to |
| 292 | * non-zero if the string must be freed upon exit. |
| 293 | */ |
| 294 | void hap_register_build_opts(const char *str, int must_free) |
| 295 | { |
| 296 | struct build_opts_str *b; |
| 297 | |
| 298 | b = calloc(1, sizeof(*b)); |
| 299 | if (!b) { |
| 300 | fprintf(stderr, "out of memory\n"); |
| 301 | exit(1); |
| 302 | } |
| 303 | b->str = str; |
| 304 | b->must_free = must_free; |
| 305 | LIST_ADDQ(&build_opts_list, &b->list); |
| 306 | } |
| 307 | |
Willy Tarreau | e694573 | 2016-12-21 19:57:00 +0100 | [diff] [blame] | 308 | /* used to register some initialization functions to call after the checks. */ |
| 309 | void hap_register_post_check(int (*fct)()) |
| 310 | { |
| 311 | struct post_check_fct *b; |
| 312 | |
| 313 | b = calloc(1, sizeof(*b)); |
| 314 | if (!b) { |
| 315 | fprintf(stderr, "out of memory\n"); |
| 316 | exit(1); |
| 317 | } |
| 318 | b->fct = fct; |
| 319 | LIST_ADDQ(&post_check_list, &b->list); |
| 320 | } |
| 321 | |
Willy Tarreau | 05554e6 | 2016-12-21 20:46:26 +0100 | [diff] [blame] | 322 | /* used to register some de-initialization functions to call after everything |
| 323 | * has stopped. |
| 324 | */ |
| 325 | void hap_register_post_deinit(void (*fct)()) |
| 326 | { |
| 327 | struct post_deinit_fct *b; |
| 328 | |
| 329 | b = calloc(1, sizeof(*b)); |
| 330 | if (!b) { |
| 331 | fprintf(stderr, "out of memory\n"); |
| 332 | exit(1); |
| 333 | } |
| 334 | b->fct = fct; |
| 335 | LIST_ADDQ(&post_deinit_list, &b->list); |
| 336 | } |
| 337 | |
Christopher Faulet | 415f611 | 2017-07-25 16:52:58 +0200 | [diff] [blame] | 338 | /* used to register some initialization functions to call for each thread. */ |
| 339 | void hap_register_per_thread_init(int (*fct)()) |
| 340 | { |
| 341 | struct per_thread_init_fct *b; |
| 342 | |
| 343 | b = calloc(1, sizeof(*b)); |
| 344 | if (!b) { |
| 345 | fprintf(stderr, "out of memory\n"); |
| 346 | exit(1); |
| 347 | } |
| 348 | b->fct = fct; |
| 349 | LIST_ADDQ(&per_thread_init_list, &b->list); |
| 350 | } |
| 351 | |
| 352 | /* used to register some de-initialization functions to call for each thread. */ |
| 353 | void hap_register_per_thread_deinit(void (*fct)()) |
| 354 | { |
| 355 | struct per_thread_deinit_fct *b; |
| 356 | |
| 357 | b = calloc(1, sizeof(*b)); |
| 358 | if (!b) { |
| 359 | fprintf(stderr, "out of memory\n"); |
| 360 | exit(1); |
| 361 | } |
| 362 | b->fct = fct; |
| 363 | LIST_ADDQ(&per_thread_deinit_list, &b->list); |
| 364 | } |
| 365 | |
Willy Tarreau | 1b5af7c | 2016-12-21 18:19:57 +0100 | [diff] [blame] | 366 | static void display_version() |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 367 | { |
| 368 | printf("HA-Proxy version " HAPROXY_VERSION " " HAPROXY_DATE"\n"); |
Willy Tarreau | 65e94d1 | 2018-08-02 18:12:50 +0200 | [diff] [blame] | 369 | printf("Copyright 2000-2018 Willy Tarreau <willy@haproxy.org>\n\n"); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 370 | } |
| 371 | |
Willy Tarreau | 1b5af7c | 2016-12-21 18:19:57 +0100 | [diff] [blame] | 372 | static void display_build_opts() |
Willy Tarreau | 7b066db | 2007-12-02 11:28:59 +0100 | [diff] [blame] | 373 | { |
Willy Tarreau | cdb737e | 2016-12-21 18:43:10 +0100 | [diff] [blame] | 374 | struct build_opts_str *item; |
| 375 | |
Willy Tarreau | 7b066db | 2007-12-02 11:28:59 +0100 | [diff] [blame] | 376 | printf("Build options :" |
| 377 | #ifdef BUILD_TARGET |
Willy Tarreau | 9f2b730 | 2008-01-02 20:48:34 +0100 | [diff] [blame] | 378 | "\n TARGET = " BUILD_TARGET |
Willy Tarreau | 7b066db | 2007-12-02 11:28:59 +0100 | [diff] [blame] | 379 | #endif |
| 380 | #ifdef BUILD_CPU |
Willy Tarreau | 9f2b730 | 2008-01-02 20:48:34 +0100 | [diff] [blame] | 381 | "\n CPU = " BUILD_CPU |
Willy Tarreau | 7b066db | 2007-12-02 11:28:59 +0100 | [diff] [blame] | 382 | #endif |
| 383 | #ifdef BUILD_CC |
Willy Tarreau | 9f2b730 | 2008-01-02 20:48:34 +0100 | [diff] [blame] | 384 | "\n CC = " BUILD_CC |
| 385 | #endif |
| 386 | #ifdef BUILD_CFLAGS |
| 387 | "\n CFLAGS = " BUILD_CFLAGS |
Willy Tarreau | 7b066db | 2007-12-02 11:28:59 +0100 | [diff] [blame] | 388 | #endif |
Willy Tarreau | 9f2b730 | 2008-01-02 20:48:34 +0100 | [diff] [blame] | 389 | #ifdef BUILD_OPTIONS |
| 390 | "\n OPTIONS = " BUILD_OPTIONS |
Willy Tarreau | 7b066db | 2007-12-02 11:28:59 +0100 | [diff] [blame] | 391 | #endif |
Willy Tarreau | 27a674e | 2009-08-17 07:23:33 +0200 | [diff] [blame] | 392 | "\n\nDefault settings :" |
| 393 | "\n maxconn = %d, bufsize = %d, maxrewrite = %d, maxpollevents = %d" |
| 394 | "\n\n", |
| 395 | DEFAULT_MAXCONN, BUFSIZE, MAXREWRITE, MAX_POLL_EVENTS); |
Willy Tarreau | be5b685 | 2009-10-03 18:57:08 +0200 | [diff] [blame] | 396 | |
Willy Tarreau | cdb737e | 2016-12-21 18:43:10 +0100 | [diff] [blame] | 397 | list_for_each_entry(item, &build_opts_list, list) { |
| 398 | puts(item->str); |
| 399 | } |
| 400 | |
Krzysztof Piotr Oledzki | 9610504 | 2010-01-29 17:50:44 +0100 | [diff] [blame] | 401 | putchar('\n'); |
| 402 | |
Willy Tarreau | be5b685 | 2009-10-03 18:57:08 +0200 | [diff] [blame] | 403 | list_pollers(stdout); |
| 404 | putchar('\n'); |
Christopher Faulet | 98d9fe2 | 2018-04-10 14:37:32 +0200 | [diff] [blame] | 405 | list_mux_proto(stdout); |
| 406 | putchar('\n'); |
Christopher Faulet | b3f4e14 | 2016-03-07 12:46:38 +0100 | [diff] [blame] | 407 | list_filters(stdout); |
| 408 | putchar('\n'); |
Willy Tarreau | 7b066db | 2007-12-02 11:28:59 +0100 | [diff] [blame] | 409 | } |
| 410 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 411 | /* |
| 412 | * This function prints the command line usage and exits |
| 413 | */ |
Willy Tarreau | 1b5af7c | 2016-12-21 18:19:57 +0100 | [diff] [blame] | 414 | static void usage(char *name) |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 415 | { |
| 416 | display_version(); |
| 417 | fprintf(stderr, |
Maxime de Roucy | 379d9c7 | 2016-05-13 23:52:56 +0200 | [diff] [blame] | 418 | "Usage : %s [-f <cfgfile|cfgdir>]* [ -vdV" |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 419 | "D ] [ -n <maxconn> ] [ -N <maxpconn> ]\n" |
Willy Tarreau | a088d31 | 2015-10-08 11:58:48 +0200 | [diff] [blame] | 420 | " [ -p <pidfile> ] [ -m <max megs> ] [ -C <dir> ] [-- <cfgfile>*]\n" |
Willy Tarreau | 7b066db | 2007-12-02 11:28:59 +0100 | [diff] [blame] | 421 | " -v displays version ; -vv shows known build options.\n" |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 422 | " -d enters debug mode ; -db only disables background mode.\n" |
Willy Tarreau | 6e06443 | 2012-05-08 15:40:42 +0200 | [diff] [blame] | 423 | " -dM[<byte>] poisons memory with <byte> (defaults to 0x50)\n" |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 424 | " -V enters verbose mode (disables quiet mode)\n" |
Willy Tarreau | 576132e | 2011-09-10 19:26:56 +0200 | [diff] [blame] | 425 | " -D goes daemon ; -C changes to <dir> before loading files.\n" |
William Lallemand | 095ba4c | 2017-06-01 17:38:50 +0200 | [diff] [blame] | 426 | " -W master-worker mode.\n" |
Tim Duesterhus | d6942c8 | 2017-11-20 15:58:35 +0100 | [diff] [blame] | 427 | #if defined(USE_SYSTEMD) |
| 428 | " -Ws master-worker mode with systemd notify support.\n" |
| 429 | #endif |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 430 | " -q quiet mode : don't display messages\n" |
Willy Tarreau | 5d01a63 | 2009-06-22 16:02:30 +0200 | [diff] [blame] | 431 | " -c check mode : only check config files and exit\n" |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 432 | " -n sets the maximum total # of connections (%d)\n" |
| 433 | " -m limits the usable amount of memory (in MB)\n" |
| 434 | " -N sets the default, per-proxy maximum # of connections (%d)\n" |
Emeric Brun | 2b920a1 | 2010-09-23 18:30:22 +0200 | [diff] [blame] | 435 | " -L set local peer name (default to hostname)\n" |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 436 | " -p writes pids of all children to this file\n" |
| 437 | #if defined(ENABLE_EPOLL) |
| 438 | " -de disables epoll() usage even when available\n" |
| 439 | #endif |
Willy Tarreau | 1e63130a | 2007-04-09 12:03:06 +0200 | [diff] [blame] | 440 | #if defined(ENABLE_KQUEUE) |
| 441 | " -dk disables kqueue() usage even when available\n" |
| 442 | #endif |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 443 | #if defined(ENABLE_POLL) |
| 444 | " -dp disables poll() usage even when available\n" |
| 445 | #endif |
Willy Tarreau | b55932d | 2009-08-16 13:20:32 +0200 | [diff] [blame] | 446 | #if defined(CONFIG_HAP_LINUX_SPLICE) |
Willy Tarreau | 3ab68cf | 2009-01-25 16:03:28 +0100 | [diff] [blame] | 447 | " -dS disables splice usage (broken on old kernels)\n" |
| 448 | #endif |
Nenad Merdanovic | 88afe03 | 2014-04-14 15:56:58 +0200 | [diff] [blame] | 449 | #if defined(USE_GETADDRINFO) |
| 450 | " -dG disables getaddrinfo() usage\n" |
| 451 | #endif |
Lukas Tribus | a0bcbdc | 2016-09-12 21:42:20 +0000 | [diff] [blame] | 452 | #if defined(SO_REUSEPORT) |
| 453 | " -dR disables SO_REUSEPORT usage\n" |
| 454 | #endif |
Willy Tarreau | 3eed10e | 2016-11-07 21:03:16 +0100 | [diff] [blame] | 455 | " -dr ignores server address resolution failures\n" |
Emeric Brun | 850efd5 | 2014-01-29 12:24:34 +0100 | [diff] [blame] | 456 | " -dV disables SSL verify on servers side\n" |
Willy Tarreau | c6ca1aa | 2015-10-08 11:32:32 +0200 | [diff] [blame] | 457 | " -sf/-st [pid ]* finishes/terminates old pids.\n" |
Olivier Houchard | f73629d | 2017-04-05 22:33:04 +0200 | [diff] [blame] | 458 | " -x <unix_socket> get listening sockets from a unix socket\n" |
William Lallemand | e736115 | 2018-10-26 14:47:36 +0200 | [diff] [blame] | 459 | " -S <unix_socket>[,<bind options>...] new stats socket for the master\n" |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 460 | "\n", |
| 461 | name, DEFAULT_MAXCONN, cfg_maxpconn); |
| 462 | exit(1); |
| 463 | } |
| 464 | |
| 465 | |
| 466 | |
| 467 | /*********************************************************************/ |
| 468 | /* more specific functions ***************************************/ |
| 469 | /*********************************************************************/ |
| 470 | |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 471 | /* sends the signal <sig> to all pids found in <oldpids>. Returns the number of |
| 472 | * pids the signal was correctly delivered to. |
| 473 | */ |
| 474 | static int tell_old_pids(int sig) |
| 475 | { |
| 476 | int p; |
| 477 | int ret = 0; |
| 478 | for (p = 0; p < nb_oldpids; p++) |
| 479 | if (kill(oldpids[p], sig) == 0) |
| 480 | ret++; |
| 481 | return ret; |
| 482 | } |
| 483 | |
| 484 | /* return 1 if a pid is a current child otherwise 0 */ |
| 485 | |
| 486 | int current_child(int pid) |
| 487 | { |
| 488 | int i; |
| 489 | |
| 490 | for (i = 0; i < global.nbproc; i++) { |
| 491 | if (children[i] == pid) |
| 492 | return 1; |
| 493 | } |
| 494 | return 0; |
| 495 | } |
| 496 | |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 497 | static void mworker_block_signals() |
| 498 | { |
| 499 | sigset_t set; |
| 500 | |
| 501 | sigemptyset(&set); |
| 502 | sigaddset(&set, SIGUSR1); |
| 503 | sigaddset(&set, SIGUSR2); |
| 504 | sigaddset(&set, SIGHUP); |
William Lallemand | ebf304f | 2018-09-11 10:06:21 +0200 | [diff] [blame] | 505 | sigaddset(&set, SIGCHLD); |
William Lallemand | 6e1796e | 2018-06-07 11:23:40 +0200 | [diff] [blame] | 506 | ha_sigmask(SIG_SETMASK, &set, NULL); |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 507 | } |
| 508 | |
| 509 | static void mworker_unblock_signals() |
| 510 | { |
William Lallemand | d3801c1 | 2018-09-11 10:06:23 +0200 | [diff] [blame] | 511 | haproxy_unblock_signals(); |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 512 | } |
| 513 | |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 514 | /* |
| 515 | * Send signal to every known children. |
| 516 | */ |
| 517 | |
| 518 | static void mworker_kill(int sig) |
| 519 | { |
| 520 | int i; |
| 521 | |
| 522 | tell_old_pids(sig); |
| 523 | if (children) { |
| 524 | for (i = 0; i < global.nbproc; i++) |
| 525 | kill(children[i], sig); |
| 526 | } |
William Lallemand | bc19305 | 2018-09-11 10:06:26 +0200 | [diff] [blame] | 527 | } |
| 528 | |
| 529 | /* |
| 530 | * serialize the proc list and put it in the environment |
| 531 | */ |
| 532 | static void mworker_proc_list_to_env() |
| 533 | { |
| 534 | char *msg = NULL; |
| 535 | struct mworker_proc *child; |
| 536 | |
| 537 | list_for_each_entry(child, &proc_list, list) { |
| 538 | if (msg) |
William Lallemand | f1a6286 | 2018-10-26 14:47:29 +0200 | [diff] [blame] | 539 | memprintf(&msg, "%s|type=worker;fd=%d;pid=%d;rpid=%d;reloads=%d", msg, child->ipc_fd[0], child->pid, child->relative_pid, child->reloads); |
William Lallemand | bc19305 | 2018-09-11 10:06:26 +0200 | [diff] [blame] | 540 | else |
William Lallemand | f1a6286 | 2018-10-26 14:47:29 +0200 | [diff] [blame] | 541 | memprintf(&msg, "type=worker;fd=%d;pid=%d;rpid=%d;reloads=%d", child->ipc_fd[0], child->pid, child->relative_pid, child->reloads); |
William Lallemand | bc19305 | 2018-09-11 10:06:26 +0200 | [diff] [blame] | 542 | } |
| 543 | if (msg) |
| 544 | setenv("HAPROXY_CHILDREN", msg, 1); |
| 545 | } |
| 546 | |
| 547 | /* |
| 548 | * unserialize the proc list from the environment |
| 549 | */ |
| 550 | static void mworker_env_to_proc_list() |
| 551 | { |
| 552 | char *msg, *token = NULL, *s1; |
| 553 | |
| 554 | msg = getenv("HAPROXY_CHILDREN"); |
| 555 | if (!msg) |
| 556 | return; |
| 557 | |
| 558 | while ((token = strtok_r(msg, "|", &s1))) { |
| 559 | struct mworker_proc *child; |
| 560 | char *subtoken = NULL; |
| 561 | char *s2; |
| 562 | |
| 563 | msg = NULL; |
| 564 | |
| 565 | child = calloc(1, sizeof(*child)); |
| 566 | |
| 567 | while ((subtoken = strtok_r(token, ";", &s2))) { |
| 568 | |
| 569 | token = NULL; |
| 570 | |
| 571 | if (strncmp(subtoken, "fd=", 3) == 0) { |
| 572 | child->ipc_fd[0] = atoi(subtoken+3); |
| 573 | } else if (strncmp(subtoken, "pid=", 4) == 0) { |
| 574 | child->pid = atoi(subtoken+4); |
| 575 | } else if (strncmp(subtoken, "rpid=", 5) == 0) { |
| 576 | child->relative_pid = atoi(subtoken+5); |
William Lallemand | f1a6286 | 2018-10-26 14:47:29 +0200 | [diff] [blame] | 577 | } else if (strncmp(subtoken, "reloads=", 8) == 0) { |
| 578 | /* we reloaded this process once more */ |
| 579 | child->reloads = atoi(subtoken+8) + 1; |
William Lallemand | bc19305 | 2018-09-11 10:06:26 +0200 | [diff] [blame] | 580 | } |
| 581 | } |
| 582 | if (child->pid) |
| 583 | LIST_ADDQ(&proc_list, &child->list); |
| 584 | else |
| 585 | free(child); |
| 586 | } |
| 587 | |
| 588 | unsetenv("HAPROXY_CHILDREN"); |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 589 | } |
| 590 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 591 | /* |
William Lallemand | 75ea0a0 | 2017-11-15 19:02:58 +0100 | [diff] [blame] | 592 | * Upon a reload, the master worker needs to close all listeners FDs but the mworker_pipe |
| 593 | * fd, and the FD provided by fd@ |
| 594 | */ |
| 595 | static void mworker_cleanlisteners() |
| 596 | { |
| 597 | struct listener *l, *l_next; |
| 598 | struct proxy *curproxy; |
Willy Tarreau | 473cf5d | 2017-12-05 11:14:12 +0100 | [diff] [blame] | 599 | struct peers *curpeers; |
William Lallemand | 75ea0a0 | 2017-11-15 19:02:58 +0100 | [diff] [blame] | 600 | |
William Lallemand | 3da9769 | 2018-09-11 10:06:19 +0200 | [diff] [blame] | 601 | /* we might have to unbind some peers sections from some processes */ |
| 602 | for (curpeers = cfg_peers; curpeers; curpeers = curpeers->next) { |
| 603 | if (!curpeers->peers_fe) |
| 604 | continue; |
Willy Tarreau | 473cf5d | 2017-12-05 11:14:12 +0100 | [diff] [blame] | 605 | |
William Lallemand | 3da9769 | 2018-09-11 10:06:19 +0200 | [diff] [blame] | 606 | stop_proxy(curpeers->peers_fe); |
| 607 | /* disable this peer section so that it kills itself */ |
| 608 | signal_unregister_handler(curpeers->sighandler); |
| 609 | task_delete(curpeers->sync_task); |
| 610 | task_free(curpeers->sync_task); |
| 611 | curpeers->sync_task = NULL; |
| 612 | task_free(curpeers->peers_fe->task); |
| 613 | curpeers->peers_fe->task = NULL; |
| 614 | curpeers->peers_fe = NULL; |
| 615 | } |
William Lallemand | 75ea0a0 | 2017-11-15 19:02:58 +0100 | [diff] [blame] | 616 | |
William Lallemand | 91c13b6 | 2018-09-11 10:06:20 +0200 | [diff] [blame] | 617 | for (curproxy = proxies_list; curproxy; curproxy = curproxy->next) { |
William Lallemand | 75ea0a0 | 2017-11-15 19:02:58 +0100 | [diff] [blame] | 618 | list_for_each_entry_safe(l, l_next, &curproxy->conf.listeners, by_fe) { |
William Lallemand | e22f11f | 2018-09-11 10:06:27 +0200 | [diff] [blame] | 619 | /* remove the listener, but not those we need in the master... */ |
William Lallemand | dd319a5 | 2018-10-12 10:39:54 +0200 | [diff] [blame] | 620 | if (!(l->options & LI_O_MWORKER)) { |
| 621 | /* unbind the listener but does not close if |
| 622 | the FD is inherited with fd@ from the parent |
| 623 | process */ |
| 624 | if (l->options & LI_O_INHERITED) |
| 625 | unbind_listener_no_close(l); |
| 626 | else |
| 627 | unbind_listener(l); |
William Lallemand | e22f11f | 2018-09-11 10:06:27 +0200 | [diff] [blame] | 628 | delete_listener(l); |
William Lallemand | dd319a5 | 2018-10-12 10:39:54 +0200 | [diff] [blame] | 629 | } |
William Lallemand | 75ea0a0 | 2017-11-15 19:02:58 +0100 | [diff] [blame] | 630 | } |
| 631 | } |
| 632 | } |
| 633 | |
| 634 | |
| 635 | /* |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 636 | * remove a pid forom the olpid array and decrease nb_oldpids |
| 637 | * return 1 pid was found otherwise return 0 |
| 638 | */ |
| 639 | |
| 640 | int delete_oldpid(int pid) |
| 641 | { |
| 642 | int i; |
| 643 | |
| 644 | for (i = 0; i < nb_oldpids; i++) { |
| 645 | if (oldpids[i] == pid) { |
| 646 | oldpids[i] = oldpids[nb_oldpids - 1]; |
| 647 | oldpids[nb_oldpids - 1] = 0; |
| 648 | nb_oldpids--; |
| 649 | return 1; |
| 650 | } |
| 651 | } |
| 652 | return 0; |
| 653 | } |
| 654 | |
William Lallemand | 85b0bd9 | 2017-06-01 17:38:53 +0200 | [diff] [blame] | 655 | |
| 656 | static void get_cur_unixsocket() |
| 657 | { |
| 658 | /* if -x was used, try to update the stat socket if not available anymore */ |
| 659 | if (global.stats_fe) { |
| 660 | struct bind_conf *bind_conf; |
| 661 | |
| 662 | /* pass through all stats socket */ |
| 663 | list_for_each_entry(bind_conf, &global.stats_fe->conf.bind, by_fe) { |
| 664 | struct listener *l; |
| 665 | |
| 666 | list_for_each_entry(l, &bind_conf->listeners, by_bind) { |
| 667 | |
| 668 | if (l->addr.ss_family == AF_UNIX && |
| 669 | (bind_conf->level & ACCESS_FD_LISTENERS)) { |
| 670 | const struct sockaddr_un *un; |
| 671 | |
| 672 | un = (struct sockaddr_un *)&l->addr; |
| 673 | /* priority to old_unixsocket */ |
| 674 | if (!cur_unixsocket) { |
| 675 | cur_unixsocket = strdup(un->sun_path); |
| 676 | } else { |
| 677 | if (old_unixsocket && !strcmp(un->sun_path, old_unixsocket)) { |
| 678 | free(cur_unixsocket); |
| 679 | cur_unixsocket = strdup(old_unixsocket); |
| 680 | return; |
| 681 | } |
| 682 | } |
| 683 | } |
| 684 | } |
| 685 | } |
| 686 | } |
| 687 | if (!cur_unixsocket && old_unixsocket) |
| 688 | cur_unixsocket = strdup(old_unixsocket); |
| 689 | } |
| 690 | |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 691 | /* |
| 692 | * When called, this function reexec haproxy with -sf followed by current |
| 693 | * children PIDs and possibily old children PIDs if they didn't leave yet. |
| 694 | */ |
| 695 | static void mworker_reload() |
| 696 | { |
| 697 | int next_argc = 0; |
| 698 | int j; |
| 699 | char *msg = NULL; |
| 700 | |
| 701 | mworker_block_signals(); |
Tim Duesterhus | d6942c8 | 2017-11-20 15:58:35 +0100 | [diff] [blame] | 702 | #if defined(USE_SYSTEMD) |
| 703 | if (global.tune.options & GTUNE_USE_SYSTEMD) |
| 704 | sd_notify(0, "RELOADING=1"); |
| 705 | #endif |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 706 | setenv("HAPROXY_MWORKER_REEXEC", "1", 1); |
| 707 | |
William Lallemand | bc19305 | 2018-09-11 10:06:26 +0200 | [diff] [blame] | 708 | mworker_proc_list_to_env(); /* put the children description in the env */ |
| 709 | |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 710 | /* compute length */ |
| 711 | while (next_argv[next_argc]) |
| 712 | next_argc++; |
| 713 | |
William Lallemand | 85b0bd9 | 2017-06-01 17:38:53 +0200 | [diff] [blame] | 714 | /* 1 for haproxy -sf, 2 for -x /socket */ |
| 715 | next_argv = realloc(next_argv, (next_argc + 1 + 2 + global.nbproc + nb_oldpids + 1) * sizeof(char *)); |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 716 | if (next_argv == NULL) |
| 717 | goto alloc_error; |
| 718 | |
| 719 | |
| 720 | /* add -sf <PID>* to argv */ |
| 721 | if (children || nb_oldpids > 0) |
| 722 | next_argv[next_argc++] = "-sf"; |
| 723 | if (children) { |
| 724 | for (j = 0; j < global.nbproc; next_argc++,j++) { |
| 725 | next_argv[next_argc] = memprintf(&msg, "%d", children[j]); |
| 726 | if (next_argv[next_argc] == NULL) |
| 727 | goto alloc_error; |
| 728 | msg = NULL; |
| 729 | } |
| 730 | } |
| 731 | /* copy old process PIDs */ |
| 732 | for (j = 0; j < nb_oldpids; next_argc++,j++) { |
| 733 | next_argv[next_argc] = memprintf(&msg, "%d", oldpids[j]); |
| 734 | if (next_argv[next_argc] == NULL) |
| 735 | goto alloc_error; |
| 736 | msg = NULL; |
| 737 | } |
| 738 | next_argv[next_argc] = NULL; |
William Lallemand | 85b0bd9 | 2017-06-01 17:38:53 +0200 | [diff] [blame] | 739 | |
William Lallemand | 2bf6d62 | 2017-06-20 11:20:23 +0200 | [diff] [blame] | 740 | /* add the -x option with the stat socket */ |
William Lallemand | 85b0bd9 | 2017-06-01 17:38:53 +0200 | [diff] [blame] | 741 | if (cur_unixsocket) { |
| 742 | |
William Lallemand | 2bf6d62 | 2017-06-20 11:20:23 +0200 | [diff] [blame] | 743 | next_argv[next_argc++] = "-x"; |
| 744 | next_argv[next_argc++] = (char *)cur_unixsocket; |
| 745 | next_argv[next_argc++] = NULL; |
William Lallemand | 85b0bd9 | 2017-06-01 17:38:53 +0200 | [diff] [blame] | 746 | } |
| 747 | |
William Lallemand | 123f1f6 | 2018-09-11 10:06:29 +0200 | [diff] [blame] | 748 | if (getenv("HAPROXY_MWORKER_WAIT_ONLY") == NULL) { |
| 749 | struct per_thread_deinit_fct *ptdf; |
| 750 | |
| 751 | list_for_each_entry(ptdf, &per_thread_deinit_list, list) |
| 752 | ptdf->fct(); |
William Lallemand | de0ff5a | 2018-09-11 10:06:24 +0200 | [diff] [blame] | 753 | deinit_pollers(); /* we don't want to leak the poller fd */ |
William Lallemand | 123f1f6 | 2018-09-11 10:06:29 +0200 | [diff] [blame] | 754 | } |
William Lallemand | b3f2be3 | 2018-09-11 10:06:18 +0200 | [diff] [blame] | 755 | |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 756 | ha_warning("Reexecuting Master process\n"); |
Tim Duesterhus | 0436ab7 | 2017-11-12 17:39:18 +0100 | [diff] [blame] | 757 | execvp(next_argv[0], next_argv); |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 758 | |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 759 | ha_warning("Failed to reexecute the master process [%d]: %s\n", pid, strerror(errno)); |
William Lallemand | 722d4ca | 2017-11-15 19:02:55 +0100 | [diff] [blame] | 760 | return; |
| 761 | |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 762 | alloc_error: |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 763 | ha_warning("Failed to reexecute the master processs [%d]: Cannot allocate memory\n", pid); |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 764 | return; |
| 765 | } |
| 766 | |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 767 | /* |
William Lallemand | b3f2be3 | 2018-09-11 10:06:18 +0200 | [diff] [blame] | 768 | * When called, this function reexec haproxy with -sf followed by current |
| 769 | * children PIDs and possibily old children PIDs if they didn't leave yet. |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 770 | */ |
William Lallemand | b3f2be3 | 2018-09-11 10:06:18 +0200 | [diff] [blame] | 771 | static void mworker_catch_sighup(struct sig_handler *sh) |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 772 | { |
William Lallemand | b3f2be3 | 2018-09-11 10:06:18 +0200 | [diff] [blame] | 773 | mworker_reload(); |
| 774 | } |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 775 | |
William Lallemand | b3f2be3 | 2018-09-11 10:06:18 +0200 | [diff] [blame] | 776 | static void mworker_catch_sigterm(struct sig_handler *sh) |
| 777 | { |
| 778 | int sig = sh->arg; |
William Lallemand | 2f8b31c | 2017-11-15 19:02:56 +0100 | [diff] [blame] | 779 | |
Tim Duesterhus | d6942c8 | 2017-11-20 15:58:35 +0100 | [diff] [blame] | 780 | #if defined(USE_SYSTEMD) |
William Lallemand | b3f2be3 | 2018-09-11 10:06:18 +0200 | [diff] [blame] | 781 | if (global.tune.options & GTUNE_USE_SYSTEMD) { |
| 782 | sd_notify(0, "STOPPING=1"); |
| 783 | } |
Tim Duesterhus | d6942c8 | 2017-11-20 15:58:35 +0100 | [diff] [blame] | 784 | #endif |
William Lallemand | b3f2be3 | 2018-09-11 10:06:18 +0200 | [diff] [blame] | 785 | ha_warning("Exiting Master process...\n"); |
| 786 | mworker_kill(sig); |
| 787 | } |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 788 | |
William Lallemand | b3f2be3 | 2018-09-11 10:06:18 +0200 | [diff] [blame] | 789 | /* |
| 790 | * Wait for every children to exit |
| 791 | */ |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 792 | |
William Lallemand | b3f2be3 | 2018-09-11 10:06:18 +0200 | [diff] [blame] | 793 | static void mworker_catch_sigchld(struct sig_handler *sh) |
| 794 | { |
| 795 | int exitpid = -1; |
| 796 | int status = 0; |
William Lallemand | bc19305 | 2018-09-11 10:06:26 +0200 | [diff] [blame] | 797 | struct mworker_proc *child, *it; |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 798 | |
William Lallemand | b3f2be3 | 2018-09-11 10:06:18 +0200 | [diff] [blame] | 799 | restart_wait: |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 800 | |
William Lallemand | b3f2be3 | 2018-09-11 10:06:18 +0200 | [diff] [blame] | 801 | exitpid = waitpid(-1, &status, WNOHANG); |
| 802 | if (exitpid > 0) { |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 803 | if (WIFEXITED(status)) |
| 804 | status = WEXITSTATUS(status); |
| 805 | else if (WIFSIGNALED(status)) |
| 806 | status = 128 + WTERMSIG(status); |
| 807 | else if (WIFSTOPPED(status)) |
| 808 | status = 128 + WSTOPSIG(status); |
| 809 | else |
| 810 | status = 255; |
| 811 | |
William Lallemand | bc19305 | 2018-09-11 10:06:26 +0200 | [diff] [blame] | 812 | list_for_each_entry_safe(child, it, &proc_list, list) { |
| 813 | if (child->pid != exitpid) |
| 814 | continue; |
| 815 | |
| 816 | LIST_DEL(&child->list); |
| 817 | close(child->ipc_fd[0]); |
William Lallemand | bc19305 | 2018-09-11 10:06:26 +0200 | [diff] [blame] | 818 | break; |
| 819 | } |
| 820 | |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 821 | if (!children) { |
William Lallemand | 18e52a8 | 2018-11-06 17:37:13 +0100 | [diff] [blame^] | 822 | ha_warning("Worker %d exited with code %d (%s)\n", exitpid, status, (status >= 128) ? strsignal(status - 128) : "Exit"); |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 823 | } else { |
| 824 | /* check if exited child was in the current children list */ |
| 825 | if (current_child(exitpid)) { |
William Lallemand | 18e52a8 | 2018-11-06 17:37:13 +0100 | [diff] [blame^] | 826 | ha_alert("Current worker #%d (%d) exited with code %d (%s)\n", child->relative_pid, exitpid, status, (status >= 128) ? strsignal(status - 128) : "Exit"); |
William Lallemand | 69f9b3b | 2017-06-01 17:38:54 +0200 | [diff] [blame] | 827 | if (status != 0 && status != 130 && status != 143 |
William Lallemand | 4cfede8 | 2017-11-24 22:02:34 +0100 | [diff] [blame] | 828 | && !(global.tune.options & GTUNE_NOEXIT_ONFAILURE)) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 829 | ha_alert("exit-on-failure: killing every workers with SIGTERM\n"); |
William Lallemand | 69f9b3b | 2017-06-01 17:38:54 +0200 | [diff] [blame] | 830 | mworker_kill(SIGTERM); |
| 831 | } |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 832 | } else { |
William Lallemand | 18e52a8 | 2018-11-06 17:37:13 +0100 | [diff] [blame^] | 833 | ha_warning("Former worker #%d (%d) exited with code %d (%s)\n", child->relative_pid, exitpid, status, (status >= 128) ? strsignal(status - 128) : "Exit"); |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 834 | delete_oldpid(exitpid); |
| 835 | } |
| 836 | } |
William Lallemand | 18e52a8 | 2018-11-06 17:37:13 +0100 | [diff] [blame^] | 837 | free(child); |
| 838 | |
William Lallemand | b3f2be3 | 2018-09-11 10:06:18 +0200 | [diff] [blame] | 839 | /* do it again to check if it was the last worker */ |
| 840 | goto restart_wait; |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 841 | } |
William Lallemand | b3f2be3 | 2018-09-11 10:06:18 +0200 | [diff] [blame] | 842 | /* Better rely on the system than on a list of process to check if it was the last one */ |
| 843 | else if (exitpid == -1 && errno == ECHILD) { |
William Lallemand | 18e52a8 | 2018-11-06 17:37:13 +0100 | [diff] [blame^] | 844 | ha_warning("All workers exited. Exiting... (%d)\n", (exitcode > 0) ? exitcode : status); |
William Lallemand | b3f2be3 | 2018-09-11 10:06:18 +0200 | [diff] [blame] | 845 | atexit_flag = 0; |
| 846 | exit(status); /* parent must leave using the latest status code known */ |
| 847 | } |
| 848 | |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 849 | } |
| 850 | |
William Lallemand | b3f2be3 | 2018-09-11 10:06:18 +0200 | [diff] [blame] | 851 | static void mworker_loop() |
| 852 | { |
| 853 | |
| 854 | #if defined(USE_SYSTEMD) |
| 855 | if (global.tune.options & GTUNE_USE_SYSTEMD) |
| 856 | sd_notifyf(0, "READY=1\nMAINPID=%lu", (unsigned long)getpid()); |
| 857 | #endif |
| 858 | |
William Lallemand | bc19305 | 2018-09-11 10:06:26 +0200 | [diff] [blame] | 859 | master = 1; |
| 860 | |
William Lallemand | b3f2be3 | 2018-09-11 10:06:18 +0200 | [diff] [blame] | 861 | signal_register_fct(SIGTERM, mworker_catch_sigterm, SIGTERM); |
| 862 | signal_register_fct(SIGUSR1, mworker_catch_sigterm, SIGUSR1); |
| 863 | signal_register_fct(SIGINT, mworker_catch_sigterm, SIGINT); |
| 864 | signal_register_fct(SIGHUP, mworker_catch_sighup, SIGHUP); |
| 865 | signal_register_fct(SIGUSR2, mworker_catch_sighup, SIGUSR2); |
| 866 | signal_register_fct(SIGCHLD, mworker_catch_sigchld, SIGCHLD); |
| 867 | |
| 868 | mworker_unblock_signals(); |
| 869 | mworker_cleanlisteners(); |
| 870 | |
William Lallemand | bc19305 | 2018-09-11 10:06:26 +0200 | [diff] [blame] | 871 | mworker_catch_sigchld(NULL); /* ensure we clean the children in case |
| 872 | some SIGCHLD were lost */ |
| 873 | |
William Lallemand | b3f2be3 | 2018-09-11 10:06:18 +0200 | [diff] [blame] | 874 | global.nbthread = 1; |
| 875 | relative_pid = 1; |
| 876 | pid_bit = 1; |
| 877 | |
| 878 | jobs++; /* this is the "master" job, we want to take care of the |
| 879 | signals even if there is no listener so the poll loop don't |
| 880 | leave */ |
| 881 | |
| 882 | fork_poller(); |
| 883 | run_thread_poll_loop((int []){0}); |
| 884 | } |
William Lallemand | cb11fd2 | 2017-06-01 17:38:52 +0200 | [diff] [blame] | 885 | |
| 886 | /* |
William Lallemand | f9cc07c | 2018-09-11 10:06:25 +0200 | [diff] [blame] | 887 | * This function initialize haproxy for the master wait mode, it won't fork any |
| 888 | * new process and won't parse the configuration |
| 889 | */ |
| 890 | static int mworker_wait_mode() |
| 891 | { |
| 892 | |
| 893 | global.maxsock = 10; /* reserve 10 fds ; will be incremented by socket eaters */ |
| 894 | |
| 895 | if (!(global.tune.options & GTUNE_USE_KQUEUE)) |
| 896 | disable_poller("kqueue"); |
| 897 | |
| 898 | if (!(global.tune.options & GTUNE_USE_EPOLL)) |
| 899 | disable_poller("epoll"); |
| 900 | |
| 901 | if (!(global.tune.options & GTUNE_USE_POLL)) |
| 902 | disable_poller("poll"); |
| 903 | |
| 904 | if (!(global.tune.options & GTUNE_USE_SELECT)) |
| 905 | disable_poller("select"); |
| 906 | |
| 907 | if (global.tune.maxpollevents <= 0) |
| 908 | global.tune.maxpollevents = MAX_POLL_EVENTS; |
| 909 | |
| 910 | init_pollers(); |
| 911 | |
| 912 | |
| 913 | mworker_loop(); |
| 914 | |
| 915 | /* should never be there */ |
| 916 | |
| 917 | return -1; |
| 918 | } |
| 919 | |
| 920 | /* |
William Lallemand | cb11fd2 | 2017-06-01 17:38:52 +0200 | [diff] [blame] | 921 | * Reexec the process in failure mode, instead of exiting |
| 922 | */ |
| 923 | void reexec_on_failure() |
| 924 | { |
| 925 | if (!atexit_flag) |
| 926 | return; |
| 927 | |
| 928 | setenv("HAPROXY_MWORKER_WAIT_ONLY", "1", 1); |
| 929 | |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 930 | ha_warning("Reexecuting Master process in waitpid mode\n"); |
William Lallemand | cb11fd2 | 2017-06-01 17:38:52 +0200 | [diff] [blame] | 931 | mworker_reload(); |
William Lallemand | cb11fd2 | 2017-06-01 17:38:52 +0200 | [diff] [blame] | 932 | } |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 933 | |
| 934 | |
| 935 | /* |
Willy Tarreau | d0807c3 | 2010-08-27 18:26:11 +0200 | [diff] [blame] | 936 | * upon SIGUSR1, let's have a soft stop. Note that soft_stop() broadcasts |
| 937 | * a signal zero to all subscribers. This means that it's as easy as |
| 938 | * subscribing to signal 0 to get informed about an imminent shutdown. |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 939 | */ |
Willy Tarreau | 1b5af7c | 2016-12-21 18:19:57 +0100 | [diff] [blame] | 940 | static void sig_soft_stop(struct sig_handler *sh) |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 941 | { |
| 942 | soft_stop(); |
Willy Tarreau | 24f4efa | 2010-08-27 17:56:48 +0200 | [diff] [blame] | 943 | signal_unregister_handler(sh); |
Willy Tarreau | bafbe01 | 2017-11-24 17:34:44 +0100 | [diff] [blame] | 944 | pool_gc(NULL); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 945 | } |
| 946 | |
| 947 | /* |
| 948 | * upon SIGTTOU, we pause everything |
| 949 | */ |
Willy Tarreau | 1b5af7c | 2016-12-21 18:19:57 +0100 | [diff] [blame] | 950 | static void sig_pause(struct sig_handler *sh) |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 951 | { |
| 952 | pause_proxies(); |
Willy Tarreau | bafbe01 | 2017-11-24 17:34:44 +0100 | [diff] [blame] | 953 | pool_gc(NULL); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 954 | } |
| 955 | |
| 956 | /* |
| 957 | * upon SIGTTIN, let's have a soft stop. |
| 958 | */ |
Willy Tarreau | 1b5af7c | 2016-12-21 18:19:57 +0100 | [diff] [blame] | 959 | static void sig_listen(struct sig_handler *sh) |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 960 | { |
Willy Tarreau | be58c38 | 2011-07-24 18:28:10 +0200 | [diff] [blame] | 961 | resume_proxies(); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 962 | } |
| 963 | |
| 964 | /* |
| 965 | * this function dumps every server's state when the process receives SIGHUP. |
| 966 | */ |
Willy Tarreau | 1b5af7c | 2016-12-21 18:19:57 +0100 | [diff] [blame] | 967 | static void sig_dump_state(struct sig_handler *sh) |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 968 | { |
Olivier Houchard | fbc74e8 | 2017-11-24 16:54:05 +0100 | [diff] [blame] | 969 | struct proxy *p = proxies_list; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 970 | |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 971 | ha_warning("SIGHUP received, dumping servers states.\n"); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 972 | while (p) { |
| 973 | struct server *s = p->srv; |
| 974 | |
| 975 | send_log(p, LOG_NOTICE, "SIGHUP received, dumping servers states for proxy %s.\n", p->id); |
| 976 | while (s) { |
Willy Tarreau | 19d14ef | 2012-10-29 16:51:55 +0100 | [diff] [blame] | 977 | chunk_printf(&trash, |
| 978 | "SIGHUP: Server %s/%s is %s. Conn: %d act, %d pend, %lld tot.", |
| 979 | p->id, s->id, |
Emeric Brun | 52a91d3 | 2017-08-31 14:41:55 +0200 | [diff] [blame] | 980 | (s->cur_state != SRV_ST_STOPPED) ? "UP" : "DOWN", |
Willy Tarreau | 19d14ef | 2012-10-29 16:51:55 +0100 | [diff] [blame] | 981 | s->cur_sess, s->nbpend, s->counters.cum_sess); |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 982 | ha_warning("%s\n", trash.area); |
| 983 | send_log(p, LOG_NOTICE, "%s\n", trash.area); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 984 | s = s->next; |
| 985 | } |
| 986 | |
Willy Tarreau | 5fcc8f1 | 2007-09-17 11:27:09 +0200 | [diff] [blame] | 987 | /* FIXME: those info are a bit outdated. We should be able to distinguish between FE and BE. */ |
| 988 | if (!p->srv) { |
Willy Tarreau | 19d14ef | 2012-10-29 16:51:55 +0100 | [diff] [blame] | 989 | chunk_printf(&trash, |
| 990 | "SIGHUP: Proxy %s has no servers. Conn: act(FE+BE): %d+%d, %d pend (%d unass), tot(FE+BE): %lld+%lld.", |
| 991 | p->id, |
| 992 | p->feconn, p->beconn, p->totpend, p->nbpend, p->fe_counters.cum_conn, p->be_counters.cum_conn); |
Willy Tarreau | 5fcc8f1 | 2007-09-17 11:27:09 +0200 | [diff] [blame] | 993 | } else if (p->srv_act == 0) { |
Willy Tarreau | 19d14ef | 2012-10-29 16:51:55 +0100 | [diff] [blame] | 994 | chunk_printf(&trash, |
| 995 | "SIGHUP: Proxy %s %s ! Conn: act(FE+BE): %d+%d, %d pend (%d unass), tot(FE+BE): %lld+%lld.", |
| 996 | p->id, |
| 997 | (p->srv_bck) ? "is running on backup servers" : "has no server available", |
| 998 | p->feconn, p->beconn, p->totpend, p->nbpend, p->fe_counters.cum_conn, p->be_counters.cum_conn); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 999 | } else { |
Willy Tarreau | 19d14ef | 2012-10-29 16:51:55 +0100 | [diff] [blame] | 1000 | chunk_printf(&trash, |
| 1001 | "SIGHUP: Proxy %s has %d active servers and %d backup servers available." |
| 1002 | " Conn: act(FE+BE): %d+%d, %d pend (%d unass), tot(FE+BE): %lld+%lld.", |
| 1003 | p->id, p->srv_act, p->srv_bck, |
| 1004 | p->feconn, p->beconn, p->totpend, p->nbpend, p->fe_counters.cum_conn, p->be_counters.cum_conn); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1005 | } |
Willy Tarreau | 843b7cb | 2018-07-13 10:54:26 +0200 | [diff] [blame] | 1006 | ha_warning("%s\n", trash.area); |
| 1007 | send_log(p, LOG_NOTICE, "%s\n", trash.area); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1008 | |
| 1009 | p = p->next; |
| 1010 | } |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1011 | } |
| 1012 | |
Willy Tarreau | 1b5af7c | 2016-12-21 18:19:57 +0100 | [diff] [blame] | 1013 | static void dump(struct sig_handler *sh) |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1014 | { |
Willy Tarreau | c6ca1a0 | 2007-05-13 19:43:47 +0200 | [diff] [blame] | 1015 | /* dump memory usage then free everything possible */ |
| 1016 | dump_pools(); |
Willy Tarreau | bafbe01 | 2017-11-24 17:34:44 +0100 | [diff] [blame] | 1017 | pool_gc(NULL); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1018 | } |
| 1019 | |
William Lallemand | e134041 | 2017-12-28 16:09:36 +0100 | [diff] [blame] | 1020 | /* |
| 1021 | * This function dup2 the stdio FDs (0,1,2) with <fd>, then closes <fd> |
| 1022 | * If <fd> < 0, it opens /dev/null and use it to dup |
| 1023 | * |
| 1024 | * In the case of chrooting, you have to open /dev/null before the chroot, and |
| 1025 | * pass the <fd> to this function |
| 1026 | */ |
| 1027 | static void stdio_quiet(int fd) |
| 1028 | { |
| 1029 | if (fd < 0) |
| 1030 | fd = open("/dev/null", O_RDWR, 0); |
| 1031 | |
| 1032 | if (fd > -1) { |
| 1033 | fclose(stdin); |
| 1034 | fclose(stdout); |
| 1035 | fclose(stderr); |
| 1036 | |
| 1037 | dup2(fd, 0); |
| 1038 | dup2(fd, 1); |
| 1039 | dup2(fd, 2); |
| 1040 | if (fd > 2) |
| 1041 | close(fd); |
| 1042 | return; |
| 1043 | } |
| 1044 | |
| 1045 | ha_alert("Cannot open /dev/null\n"); |
| 1046 | exit(EXIT_FAILURE); |
| 1047 | } |
| 1048 | |
| 1049 | |
Maxime de Roucy | 379d9c7 | 2016-05-13 23:52:56 +0200 | [diff] [blame] | 1050 | /* This function check if cfg_cfgfiles containes directories. |
| 1051 | * If it find one, it add all the files (and only files) it containes |
| 1052 | * in cfg_cfgfiles in place of the directory (and remove the directory). |
| 1053 | * It add the files in lexical order. |
| 1054 | * It add only files with .cfg extension. |
| 1055 | * It doesn't add files with name starting with '.' |
| 1056 | */ |
Willy Tarreau | 1b5af7c | 2016-12-21 18:19:57 +0100 | [diff] [blame] | 1057 | static void cfgfiles_expand_directories(void) |
Maxime de Roucy | 379d9c7 | 2016-05-13 23:52:56 +0200 | [diff] [blame] | 1058 | { |
| 1059 | struct wordlist *wl, *wlb; |
| 1060 | char *err = NULL; |
| 1061 | |
| 1062 | list_for_each_entry_safe(wl, wlb, &cfg_cfgfiles, list) { |
| 1063 | struct stat file_stat; |
| 1064 | struct dirent **dir_entries = NULL; |
| 1065 | int dir_entries_nb; |
| 1066 | int dir_entries_it; |
| 1067 | |
| 1068 | if (stat(wl->s, &file_stat)) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1069 | ha_alert("Cannot open configuration file/directory %s : %s\n", |
| 1070 | wl->s, |
| 1071 | strerror(errno)); |
Maxime de Roucy | 379d9c7 | 2016-05-13 23:52:56 +0200 | [diff] [blame] | 1072 | exit(1); |
| 1073 | } |
| 1074 | |
| 1075 | if (!S_ISDIR(file_stat.st_mode)) |
| 1076 | continue; |
| 1077 | |
| 1078 | /* from this point wl->s is a directory */ |
| 1079 | |
| 1080 | dir_entries_nb = scandir(wl->s, &dir_entries, NULL, alphasort); |
| 1081 | if (dir_entries_nb < 0) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1082 | ha_alert("Cannot open configuration directory %s : %s\n", |
| 1083 | wl->s, |
| 1084 | strerror(errno)); |
Maxime de Roucy | 379d9c7 | 2016-05-13 23:52:56 +0200 | [diff] [blame] | 1085 | exit(1); |
| 1086 | } |
| 1087 | |
| 1088 | /* for each element in the directory wl->s */ |
| 1089 | for (dir_entries_it = 0; dir_entries_it < dir_entries_nb; dir_entries_it++) { |
| 1090 | struct dirent *dir_entry = dir_entries[dir_entries_it]; |
| 1091 | char *filename = NULL; |
| 1092 | char *d_name_cfgext = strstr(dir_entry->d_name, ".cfg"); |
| 1093 | |
| 1094 | /* don't add filename that begin with . |
| 1095 | * only add filename with .cfg extention |
| 1096 | */ |
| 1097 | if (dir_entry->d_name[0] == '.' || |
| 1098 | !(d_name_cfgext && d_name_cfgext[4] == '\0')) |
| 1099 | goto next_dir_entry; |
| 1100 | |
| 1101 | if (!memprintf(&filename, "%s/%s", wl->s, dir_entry->d_name)) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1102 | ha_alert("Cannot load configuration files %s : out of memory.\n", |
| 1103 | filename); |
Maxime de Roucy | 379d9c7 | 2016-05-13 23:52:56 +0200 | [diff] [blame] | 1104 | exit(1); |
| 1105 | } |
| 1106 | |
| 1107 | if (stat(filename, &file_stat)) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1108 | ha_alert("Cannot open configuration file %s : %s\n", |
| 1109 | wl->s, |
| 1110 | strerror(errno)); |
Maxime de Roucy | 379d9c7 | 2016-05-13 23:52:56 +0200 | [diff] [blame] | 1111 | exit(1); |
| 1112 | } |
| 1113 | |
| 1114 | /* don't add anything else than regular file in cfg_cfgfiles |
| 1115 | * this way we avoid loops |
| 1116 | */ |
| 1117 | if (!S_ISREG(file_stat.st_mode)) |
| 1118 | goto next_dir_entry; |
| 1119 | |
| 1120 | if (!list_append_word(&wl->list, filename, &err)) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1121 | ha_alert("Cannot load configuration files %s : %s\n", |
| 1122 | filename, |
| 1123 | err); |
Maxime de Roucy | 379d9c7 | 2016-05-13 23:52:56 +0200 | [diff] [blame] | 1124 | exit(1); |
| 1125 | } |
| 1126 | |
| 1127 | next_dir_entry: |
| 1128 | free(filename); |
| 1129 | free(dir_entry); |
| 1130 | } |
| 1131 | |
| 1132 | free(dir_entries); |
| 1133 | |
| 1134 | /* remove the current directory (wl) from cfg_cfgfiles */ |
| 1135 | free(wl->s); |
| 1136 | LIST_DEL(&wl->list); |
| 1137 | free(wl); |
| 1138 | } |
| 1139 | |
| 1140 | free(err); |
| 1141 | } |
| 1142 | |
Olivier Houchard | f73629d | 2017-04-05 22:33:04 +0200 | [diff] [blame] | 1143 | static int get_old_sockets(const char *unixsocket) |
| 1144 | { |
| 1145 | char *cmsgbuf = NULL, *tmpbuf = NULL; |
| 1146 | int *tmpfd = NULL; |
| 1147 | struct sockaddr_un addr; |
| 1148 | struct cmsghdr *cmsg; |
| 1149 | struct msghdr msghdr; |
| 1150 | struct iovec iov; |
| 1151 | struct xfer_sock_list *xfer_sock = NULL; |
Olivier Houchard | 5474087 | 2017-04-06 14:45:14 +0200 | [diff] [blame] | 1152 | struct timeval tv = { .tv_sec = 1, .tv_usec = 0 }; |
Olivier Houchard | f73629d | 2017-04-05 22:33:04 +0200 | [diff] [blame] | 1153 | int sock = -1; |
| 1154 | int ret = -1; |
| 1155 | int ret2 = -1; |
| 1156 | int fd_nb; |
| 1157 | int got_fd = 0; |
| 1158 | int i = 0; |
| 1159 | size_t maxoff = 0, curoff = 0; |
| 1160 | |
| 1161 | memset(&msghdr, 0, sizeof(msghdr)); |
| 1162 | cmsgbuf = malloc(CMSG_SPACE(sizeof(int)) * MAX_SEND_FD); |
| 1163 | if (!cmsgbuf) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1164 | ha_warning("Failed to allocate memory to send sockets\n"); |
Olivier Houchard | f73629d | 2017-04-05 22:33:04 +0200 | [diff] [blame] | 1165 | goto out; |
| 1166 | } |
| 1167 | sock = socket(PF_UNIX, SOCK_STREAM, 0); |
| 1168 | if (sock < 0) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1169 | ha_warning("Failed to connect to the old process socket '%s'\n", |
| 1170 | unixsocket); |
Olivier Houchard | f73629d | 2017-04-05 22:33:04 +0200 | [diff] [blame] | 1171 | goto out; |
| 1172 | } |
| 1173 | strncpy(addr.sun_path, unixsocket, sizeof(addr.sun_path)); |
| 1174 | addr.sun_path[sizeof(addr.sun_path) - 1] = 0; |
| 1175 | addr.sun_family = PF_UNIX; |
| 1176 | ret = connect(sock, (struct sockaddr *)&addr, sizeof(addr)); |
| 1177 | if (ret < 0) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1178 | ha_warning("Failed to connect to the old process socket '%s'\n", |
| 1179 | unixsocket); |
Olivier Houchard | f73629d | 2017-04-05 22:33:04 +0200 | [diff] [blame] | 1180 | goto out; |
| 1181 | } |
Olivier Houchard | 5474087 | 2017-04-06 14:45:14 +0200 | [diff] [blame] | 1182 | setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, (void *)&tv, sizeof(tv)); |
Olivier Houchard | f73629d | 2017-04-05 22:33:04 +0200 | [diff] [blame] | 1183 | iov.iov_base = &fd_nb; |
| 1184 | iov.iov_len = sizeof(fd_nb); |
| 1185 | msghdr.msg_iov = &iov; |
| 1186 | msghdr.msg_iovlen = 1; |
| 1187 | send(sock, "_getsocks\n", strlen("_getsocks\n"), 0); |
| 1188 | /* First, get the number of file descriptors to be received */ |
| 1189 | if (recvmsg(sock, &msghdr, MSG_WAITALL) != sizeof(fd_nb)) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1190 | ha_warning("Failed to get the number of sockets to be transferred !\n"); |
Olivier Houchard | f73629d | 2017-04-05 22:33:04 +0200 | [diff] [blame] | 1191 | goto out; |
| 1192 | } |
| 1193 | if (fd_nb == 0) { |
| 1194 | ret = 0; |
| 1195 | goto out; |
| 1196 | } |
Olivier Houchard | f143b80 | 2017-11-04 15:13:01 +0100 | [diff] [blame] | 1197 | tmpbuf = malloc(fd_nb * (1 + MAXPATHLEN + 1 + IFNAMSIZ + sizeof(int))); |
Olivier Houchard | f73629d | 2017-04-05 22:33:04 +0200 | [diff] [blame] | 1198 | if (tmpbuf == NULL) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1199 | ha_warning("Failed to allocate memory while receiving sockets\n"); |
Olivier Houchard | f73629d | 2017-04-05 22:33:04 +0200 | [diff] [blame] | 1200 | goto out; |
| 1201 | } |
| 1202 | tmpfd = malloc(fd_nb * sizeof(int)); |
| 1203 | if (tmpfd == NULL) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1204 | ha_warning("Failed to allocate memory while receiving sockets\n"); |
Olivier Houchard | f73629d | 2017-04-05 22:33:04 +0200 | [diff] [blame] | 1205 | goto out; |
| 1206 | } |
| 1207 | msghdr.msg_control = cmsgbuf; |
| 1208 | msghdr.msg_controllen = CMSG_SPACE(sizeof(int)) * MAX_SEND_FD; |
Olivier Houchard | f143b80 | 2017-11-04 15:13:01 +0100 | [diff] [blame] | 1209 | iov.iov_len = MAX_SEND_FD * (1 + MAXPATHLEN + 1 + IFNAMSIZ + sizeof(int)); |
Olivier Houchard | f73629d | 2017-04-05 22:33:04 +0200 | [diff] [blame] | 1210 | do { |
| 1211 | int ret3; |
| 1212 | |
| 1213 | iov.iov_base = tmpbuf + curoff; |
| 1214 | ret = recvmsg(sock, &msghdr, 0); |
| 1215 | if (ret == -1 && errno == EINTR) |
| 1216 | continue; |
| 1217 | if (ret <= 0) |
| 1218 | break; |
| 1219 | /* Send an ack to let the sender know we got the sockets |
| 1220 | * and it can send some more |
| 1221 | */ |
| 1222 | do { |
| 1223 | ret3 = send(sock, &got_fd, sizeof(got_fd), 0); |
| 1224 | } while (ret3 == -1 && errno == EINTR); |
| 1225 | for (cmsg = CMSG_FIRSTHDR(&msghdr); cmsg != NULL; |
| 1226 | cmsg = CMSG_NXTHDR(&msghdr, cmsg)) { |
| 1227 | if (cmsg->cmsg_level == SOL_SOCKET && |
| 1228 | cmsg->cmsg_type == SCM_RIGHTS) { |
| 1229 | size_t totlen = cmsg->cmsg_len - |
| 1230 | CMSG_LEN(0); |
| 1231 | if (totlen / sizeof(int) + got_fd > fd_nb) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1232 | ha_warning("Got to many sockets !\n"); |
Olivier Houchard | f73629d | 2017-04-05 22:33:04 +0200 | [diff] [blame] | 1233 | goto out; |
| 1234 | } |
| 1235 | /* |
| 1236 | * Be paranoid and use memcpy() to avoid any |
| 1237 | * potential alignement issue. |
| 1238 | */ |
| 1239 | memcpy(&tmpfd[got_fd], CMSG_DATA(cmsg), totlen); |
| 1240 | got_fd += totlen / sizeof(int); |
| 1241 | } |
| 1242 | } |
| 1243 | curoff += ret; |
| 1244 | } while (got_fd < fd_nb); |
| 1245 | |
| 1246 | if (got_fd != fd_nb) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1247 | ha_warning("We didn't get the expected number of sockets (expecting %d got %d)\n", |
| 1248 | fd_nb, got_fd); |
Olivier Houchard | f73629d | 2017-04-05 22:33:04 +0200 | [diff] [blame] | 1249 | goto out; |
| 1250 | } |
| 1251 | maxoff = curoff; |
| 1252 | curoff = 0; |
| 1253 | for (i = 0; i < got_fd; i++) { |
| 1254 | int fd = tmpfd[i]; |
| 1255 | socklen_t socklen; |
| 1256 | int len; |
| 1257 | |
| 1258 | xfer_sock = calloc(1, sizeof(*xfer_sock)); |
| 1259 | if (!xfer_sock) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1260 | ha_warning("Failed to allocate memory in get_old_sockets() !\n"); |
Olivier Houchard | f73629d | 2017-04-05 22:33:04 +0200 | [diff] [blame] | 1261 | break; |
| 1262 | } |
| 1263 | xfer_sock->fd = -1; |
| 1264 | |
| 1265 | socklen = sizeof(xfer_sock->addr); |
| 1266 | if (getsockname(fd, (struct sockaddr *)&xfer_sock->addr, &socklen) != 0) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1267 | ha_warning("Failed to get socket address\n"); |
Olivier Houchard | f73629d | 2017-04-05 22:33:04 +0200 | [diff] [blame] | 1268 | free(xfer_sock); |
Olivier Houchard | be7b1ce | 2017-07-17 17:25:33 +0200 | [diff] [blame] | 1269 | xfer_sock = NULL; |
Olivier Houchard | f73629d | 2017-04-05 22:33:04 +0200 | [diff] [blame] | 1270 | continue; |
| 1271 | } |
| 1272 | if (curoff >= maxoff) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1273 | ha_warning("Inconsistency while transferring sockets\n"); |
Olivier Houchard | f73629d | 2017-04-05 22:33:04 +0200 | [diff] [blame] | 1274 | goto out; |
| 1275 | } |
| 1276 | len = tmpbuf[curoff++]; |
| 1277 | if (len > 0) { |
| 1278 | /* We have a namespace */ |
| 1279 | if (curoff + len > maxoff) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1280 | ha_warning("Inconsistency while transferring sockets\n"); |
Olivier Houchard | f73629d | 2017-04-05 22:33:04 +0200 | [diff] [blame] | 1281 | goto out; |
| 1282 | } |
| 1283 | xfer_sock->namespace = malloc(len + 1); |
| 1284 | if (!xfer_sock->namespace) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1285 | ha_warning("Failed to allocate memory while transferring sockets\n"); |
Olivier Houchard | f73629d | 2017-04-05 22:33:04 +0200 | [diff] [blame] | 1286 | goto out; |
| 1287 | } |
| 1288 | memcpy(xfer_sock->namespace, &tmpbuf[curoff], len); |
| 1289 | xfer_sock->namespace[len] = 0; |
| 1290 | curoff += len; |
| 1291 | } |
| 1292 | if (curoff >= maxoff) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1293 | ha_warning("Inconsistency while transferring sockets\n"); |
Olivier Houchard | f73629d | 2017-04-05 22:33:04 +0200 | [diff] [blame] | 1294 | goto out; |
| 1295 | } |
| 1296 | len = tmpbuf[curoff++]; |
| 1297 | if (len > 0) { |
| 1298 | /* We have an interface */ |
| 1299 | if (curoff + len > maxoff) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1300 | ha_warning("Inconsistency while transferring sockets\n"); |
Olivier Houchard | f73629d | 2017-04-05 22:33:04 +0200 | [diff] [blame] | 1301 | goto out; |
| 1302 | } |
| 1303 | xfer_sock->iface = malloc(len + 1); |
| 1304 | if (!xfer_sock->iface) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1305 | ha_warning("Failed to allocate memory while transferring sockets\n"); |
Olivier Houchard | f73629d | 2017-04-05 22:33:04 +0200 | [diff] [blame] | 1306 | goto out; |
| 1307 | } |
| 1308 | memcpy(xfer_sock->iface, &tmpbuf[curoff], len); |
Olivier Houchard | 33e083c | 2018-03-15 17:48:49 +0100 | [diff] [blame] | 1309 | xfer_sock->iface[len] = 0; |
Olivier Houchard | f73629d | 2017-04-05 22:33:04 +0200 | [diff] [blame] | 1310 | curoff += len; |
| 1311 | } |
| 1312 | if (curoff + sizeof(int) > maxoff) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1313 | ha_warning("Inconsistency while transferring sockets\n"); |
Olivier Houchard | f73629d | 2017-04-05 22:33:04 +0200 | [diff] [blame] | 1314 | goto out; |
| 1315 | } |
| 1316 | memcpy(&xfer_sock->options, &tmpbuf[curoff], |
| 1317 | sizeof(xfer_sock->options)); |
| 1318 | curoff += sizeof(xfer_sock->options); |
| 1319 | |
| 1320 | xfer_sock->fd = fd; |
| 1321 | if (xfer_sock_list) |
| 1322 | xfer_sock_list->prev = xfer_sock; |
| 1323 | xfer_sock->next = xfer_sock_list; |
| 1324 | xfer_sock->prev = NULL; |
| 1325 | xfer_sock_list = xfer_sock; |
| 1326 | xfer_sock = NULL; |
| 1327 | } |
| 1328 | |
| 1329 | ret2 = 0; |
| 1330 | out: |
| 1331 | /* If we failed midway make sure to close the remaining |
| 1332 | * file descriptors |
| 1333 | */ |
| 1334 | if (tmpfd != NULL && i < got_fd) { |
| 1335 | for (; i < got_fd; i++) { |
| 1336 | close(tmpfd[i]); |
| 1337 | } |
| 1338 | } |
| 1339 | free(tmpbuf); |
| 1340 | free(tmpfd); |
| 1341 | free(cmsgbuf); |
| 1342 | if (sock != -1) |
| 1343 | close(sock); |
| 1344 | if (xfer_sock) { |
| 1345 | free(xfer_sock->namespace); |
| 1346 | free(xfer_sock->iface); |
| 1347 | if (xfer_sock->fd != -1) |
| 1348 | close(xfer_sock->fd); |
| 1349 | free(xfer_sock); |
| 1350 | } |
| 1351 | return (ret2); |
| 1352 | } |
| 1353 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1354 | /* |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 1355 | * copy and cleanup the current argv |
| 1356 | * Remove the -sf /-st parameters |
| 1357 | * Return an allocated copy of argv |
| 1358 | */ |
| 1359 | |
| 1360 | static char **copy_argv(int argc, char **argv) |
| 1361 | { |
| 1362 | char **newargv; |
William Lallemand | 2bf6d62 | 2017-06-20 11:20:23 +0200 | [diff] [blame] | 1363 | int i = 0, j = 0; |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 1364 | |
| 1365 | newargv = calloc(argc + 2, sizeof(char *)); |
| 1366 | if (newargv == NULL) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1367 | ha_warning("Cannot allocate memory\n"); |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 1368 | return NULL; |
| 1369 | } |
| 1370 | |
William Lallemand | 2bf6d62 | 2017-06-20 11:20:23 +0200 | [diff] [blame] | 1371 | while (i < argc) { |
| 1372 | /* -sf or -st or -x */ |
William Lallemand | 29f690c | 2018-01-09 23:12:27 +0100 | [diff] [blame] | 1373 | if (i > 0 && argv[i][0] == '-' && |
| 1374 | ((argv[i][1] == 's' && (argv[i][2] == 'f' || argv[i][2] == 't')) || argv[i][1] == 'x' )) { |
William Lallemand | 2bf6d62 | 2017-06-20 11:20:23 +0200 | [diff] [blame] | 1375 | /* list of pids to finish ('f') or terminate ('t') or unix socket (-x) */ |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 1376 | i++; |
| 1377 | while (i < argc && argv[i][0] != '-') { |
| 1378 | i++; |
| 1379 | } |
William Lallemand | 2bf6d62 | 2017-06-20 11:20:23 +0200 | [diff] [blame] | 1380 | continue; |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 1381 | } |
William Lallemand | 2bf6d62 | 2017-06-20 11:20:23 +0200 | [diff] [blame] | 1382 | |
| 1383 | newargv[j++] = argv[i++]; |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 1384 | } |
William Lallemand | 2bf6d62 | 2017-06-20 11:20:23 +0200 | [diff] [blame] | 1385 | |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 1386 | return newargv; |
| 1387 | } |
| 1388 | |
| 1389 | /* |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1390 | * This function initializes all the necessary variables. It only returns |
| 1391 | * if everything is OK. If something fails, it exits. |
| 1392 | */ |
Willy Tarreau | 1b5af7c | 2016-12-21 18:19:57 +0100 | [diff] [blame] | 1393 | static void init(int argc, char **argv) |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1394 | { |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1395 | int arg_mode = 0; /* MODE_DEBUG, ... */ |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1396 | char *tmp; |
| 1397 | char *cfg_pidfile = NULL; |
Willy Tarreau | 058e907 | 2009-07-20 09:30:05 +0200 | [diff] [blame] | 1398 | int err_code = 0; |
Maxime de Roucy | 0f50392 | 2016-05-13 23:52:55 +0200 | [diff] [blame] | 1399 | char *err_msg = NULL; |
Willy Tarreau | 477ecd8 | 2010-01-03 21:12:30 +0100 | [diff] [blame] | 1400 | struct wordlist *wl; |
Kevinm | 48936af | 2010-12-22 16:08:21 +0000 | [diff] [blame] | 1401 | char *progname; |
Willy Tarreau | 576132e | 2011-09-10 19:26:56 +0200 | [diff] [blame] | 1402 | char *change_dir = NULL; |
Christopher Faulet | d7c9196 | 2015-04-30 11:48:27 +0200 | [diff] [blame] | 1403 | struct proxy *px; |
Willy Tarreau | e694573 | 2016-12-21 19:57:00 +0100 | [diff] [blame] | 1404 | struct post_check_fct *pcf; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1405 | |
Christopher Faulet | e3a5e35 | 2017-10-24 13:53:54 +0200 | [diff] [blame] | 1406 | global.mode = MODE_STARTING; |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 1407 | next_argv = copy_argv(argc, argv); |
| 1408 | |
Christopher Faulet | cd7879a | 2017-10-27 13:53:47 +0200 | [diff] [blame] | 1409 | if (!init_trash_buffers(1)) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1410 | ha_alert("failed to initialize trash buffers.\n"); |
Christopher Faulet | 748919a | 2017-07-26 14:59:46 +0200 | [diff] [blame] | 1411 | exit(1); |
| 1412 | } |
David du Colombier | 7af4605 | 2012-05-16 14:16:48 +0200 | [diff] [blame] | 1413 | |
Emeric Brun | 2b920a1 | 2010-09-23 18:30:22 +0200 | [diff] [blame] | 1414 | /* NB: POSIX does not make it mandatory for gethostname() to NULL-terminate |
| 1415 | * the string in case of truncation, and at least FreeBSD appears not to do |
| 1416 | * it. |
| 1417 | */ |
| 1418 | memset(hostname, 0, sizeof(hostname)); |
| 1419 | gethostname(hostname, sizeof(hostname) - 1); |
| 1420 | memset(localpeer, 0, sizeof(localpeer)); |
| 1421 | memcpy(localpeer, hostname, (sizeof(hostname) > sizeof(localpeer) ? sizeof(localpeer) : sizeof(hostname)) - 1); |
William Lallemand | daf4cd2 | 2018-04-17 16:46:13 +0200 | [diff] [blame] | 1422 | setenv("HAPROXY_LOCALPEER", localpeer, 1); |
Emeric Brun | 2b920a1 | 2010-09-23 18:30:22 +0200 | [diff] [blame] | 1423 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1424 | /* |
| 1425 | * Initialize the previously static variables. |
| 1426 | */ |
Christopher Faulet | cd7879a | 2017-10-27 13:53:47 +0200 | [diff] [blame] | 1427 | |
Willy Tarreau | 173d995 | 2018-01-26 21:48:23 +0100 | [diff] [blame] | 1428 | totalconn = actconn = listeners = stopping = 0; |
Cyril Bonté | 203ec5a | 2017-03-23 22:44:13 +0100 | [diff] [blame] | 1429 | killed = 0; |
Christopher Faulet | cd7879a | 2017-10-27 13:53:47 +0200 | [diff] [blame] | 1430 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1431 | |
| 1432 | #ifdef HAPROXY_MEMMAX |
Willy Tarreau | 7006045 | 2015-12-14 12:46:07 +0100 | [diff] [blame] | 1433 | global.rlimit_memmax_all = HAPROXY_MEMMAX; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1434 | #endif |
| 1435 | |
Benoit GARNIER | b413c2a | 2016-03-27 11:08:03 +0200 | [diff] [blame] | 1436 | tzset(); |
Willy Tarreau | b0b37bc | 2008-06-23 14:00:57 +0200 | [diff] [blame] | 1437 | tv_update_date(-1,-1); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1438 | start_date = now; |
| 1439 | |
Willy Tarreau | 84310e2 | 2014-02-14 11:59:04 +0100 | [diff] [blame] | 1440 | srandom(now_ms - getpid()); |
| 1441 | |
Dragan Dosen | 835b921 | 2016-02-12 13:23:03 +0100 | [diff] [blame] | 1442 | init_log(); |
Willy Tarreau | 2985794 | 2009-05-10 09:01:21 +0200 | [diff] [blame] | 1443 | signal_init(); |
Willy Tarreau | 8ed669b | 2013-01-11 15:49:37 +0100 | [diff] [blame] | 1444 | if (init_acl() != 0) |
| 1445 | exit(1); |
Willy Tarreau | c6ca1a0 | 2007-05-13 19:43:47 +0200 | [diff] [blame] | 1446 | init_task(); |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1447 | init_stream(); |
Willy Tarreau | b1ec8c4 | 2015-04-03 13:53:24 +0200 | [diff] [blame] | 1448 | init_session(); |
Willy Tarreau | f2943dc | 2012-10-26 20:10:28 +0200 | [diff] [blame] | 1449 | init_connection(); |
Willy Tarreau | 8280d64 | 2009-09-23 23:37:52 +0200 | [diff] [blame] | 1450 | /* warning, we init buffers later */ |
Willy Tarreau | e4d7e55 | 2007-05-13 20:19:55 +0200 | [diff] [blame] | 1451 | init_pendconn(); |
Willy Tarreau | 04f1e2d | 2018-09-10 18:04:24 +0200 | [diff] [blame] | 1452 | if (!init_http(&err_msg)) { |
| 1453 | ha_alert("%s. Aborting.\n", err_msg); |
| 1454 | free(err_msg); |
| 1455 | abort(); |
| 1456 | } |
Willy Tarreau | 8058743 | 2006-12-24 17:47:20 +0100 | [diff] [blame] | 1457 | init_proto_http(); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1458 | |
Thierry FOURNIER | 6f1fd48 | 2015-01-23 14:06:13 +0100 | [diff] [blame] | 1459 | /* Initialise lua. */ |
| 1460 | hlua_init(); |
Thierry FOURNIER | 6f1fd48 | 2015-01-23 14:06:13 +0100 | [diff] [blame] | 1461 | |
Christopher Faulet | ff2613e | 2016-11-09 11:36:17 +0100 | [diff] [blame] | 1462 | /* Initialize process vars */ |
| 1463 | vars_init(&global.vars, SCOPE_PROC); |
| 1464 | |
Willy Tarreau | 43b7899 | 2009-01-25 15:42:27 +0100 | [diff] [blame] | 1465 | global.tune.options |= GTUNE_USE_SELECT; /* select() is always available */ |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1466 | #if defined(ENABLE_POLL) |
Willy Tarreau | 43b7899 | 2009-01-25 15:42:27 +0100 | [diff] [blame] | 1467 | global.tune.options |= GTUNE_USE_POLL; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1468 | #endif |
| 1469 | #if defined(ENABLE_EPOLL) |
Willy Tarreau | 43b7899 | 2009-01-25 15:42:27 +0100 | [diff] [blame] | 1470 | global.tune.options |= GTUNE_USE_EPOLL; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1471 | #endif |
Willy Tarreau | 1e63130a | 2007-04-09 12:03:06 +0200 | [diff] [blame] | 1472 | #if defined(ENABLE_KQUEUE) |
Willy Tarreau | 43b7899 | 2009-01-25 15:42:27 +0100 | [diff] [blame] | 1473 | global.tune.options |= GTUNE_USE_KQUEUE; |
Willy Tarreau | 1e63130a | 2007-04-09 12:03:06 +0200 | [diff] [blame] | 1474 | #endif |
Willy Tarreau | b55932d | 2009-08-16 13:20:32 +0200 | [diff] [blame] | 1475 | #if defined(CONFIG_HAP_LINUX_SPLICE) |
Willy Tarreau | 3ab68cf | 2009-01-25 16:03:28 +0100 | [diff] [blame] | 1476 | global.tune.options |= GTUNE_USE_SPLICE; |
| 1477 | #endif |
Nenad Merdanovic | 88afe03 | 2014-04-14 15:56:58 +0200 | [diff] [blame] | 1478 | #if defined(USE_GETADDRINFO) |
| 1479 | global.tune.options |= GTUNE_USE_GAI; |
| 1480 | #endif |
Lukas Tribus | a0bcbdc | 2016-09-12 21:42:20 +0000 | [diff] [blame] | 1481 | #if defined(SO_REUSEPORT) |
| 1482 | global.tune.options |= GTUNE_USE_REUSEPORT; |
| 1483 | #endif |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1484 | |
| 1485 | pid = getpid(); |
| 1486 | progname = *argv; |
| 1487 | while ((tmp = strchr(progname, '/')) != NULL) |
| 1488 | progname = tmp + 1; |
| 1489 | |
Kevinm | 48936af | 2010-12-22 16:08:21 +0000 | [diff] [blame] | 1490 | /* the process name is used for the logs only */ |
Dragan Dosen | 43885c7 | 2015-10-01 13:18:13 +0200 | [diff] [blame] | 1491 | chunk_initstr(&global.log_tag, strdup(progname)); |
Kevinm | 48936af | 2010-12-22 16:08:21 +0000 | [diff] [blame] | 1492 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1493 | argc--; argv++; |
| 1494 | while (argc > 0) { |
| 1495 | char *flag; |
| 1496 | |
| 1497 | if (**argv == '-') { |
| 1498 | flag = *argv+1; |
| 1499 | |
| 1500 | /* 1 arg */ |
| 1501 | if (*flag == 'v') { |
| 1502 | display_version(); |
Willy Tarreau | 7b066db | 2007-12-02 11:28:59 +0100 | [diff] [blame] | 1503 | if (flag[1] == 'v') /* -vv */ |
| 1504 | display_build_opts(); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1505 | exit(0); |
| 1506 | } |
| 1507 | #if defined(ENABLE_EPOLL) |
| 1508 | else if (*flag == 'd' && flag[1] == 'e') |
Willy Tarreau | 43b7899 | 2009-01-25 15:42:27 +0100 | [diff] [blame] | 1509 | global.tune.options &= ~GTUNE_USE_EPOLL; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1510 | #endif |
| 1511 | #if defined(ENABLE_POLL) |
| 1512 | else if (*flag == 'd' && flag[1] == 'p') |
Willy Tarreau | 43b7899 | 2009-01-25 15:42:27 +0100 | [diff] [blame] | 1513 | global.tune.options &= ~GTUNE_USE_POLL; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1514 | #endif |
Willy Tarreau | 69cad1a | 2007-04-10 22:45:11 +0200 | [diff] [blame] | 1515 | #if defined(ENABLE_KQUEUE) |
Willy Tarreau | 1e63130a | 2007-04-09 12:03:06 +0200 | [diff] [blame] | 1516 | else if (*flag == 'd' && flag[1] == 'k') |
Willy Tarreau | 43b7899 | 2009-01-25 15:42:27 +0100 | [diff] [blame] | 1517 | global.tune.options &= ~GTUNE_USE_KQUEUE; |
Willy Tarreau | 1e63130a | 2007-04-09 12:03:06 +0200 | [diff] [blame] | 1518 | #endif |
Willy Tarreau | b55932d | 2009-08-16 13:20:32 +0200 | [diff] [blame] | 1519 | #if defined(CONFIG_HAP_LINUX_SPLICE) |
Willy Tarreau | 3ab68cf | 2009-01-25 16:03:28 +0100 | [diff] [blame] | 1520 | else if (*flag == 'd' && flag[1] == 'S') |
| 1521 | global.tune.options &= ~GTUNE_USE_SPLICE; |
| 1522 | #endif |
Nenad Merdanovic | 88afe03 | 2014-04-14 15:56:58 +0200 | [diff] [blame] | 1523 | #if defined(USE_GETADDRINFO) |
| 1524 | else if (*flag == 'd' && flag[1] == 'G') |
| 1525 | global.tune.options &= ~GTUNE_USE_GAI; |
| 1526 | #endif |
Lukas Tribus | a0bcbdc | 2016-09-12 21:42:20 +0000 | [diff] [blame] | 1527 | #if defined(SO_REUSEPORT) |
| 1528 | else if (*flag == 'd' && flag[1] == 'R') |
| 1529 | global.tune.options &= ~GTUNE_USE_REUSEPORT; |
| 1530 | #endif |
Emeric Brun | 850efd5 | 2014-01-29 12:24:34 +0100 | [diff] [blame] | 1531 | else if (*flag == 'd' && flag[1] == 'V') |
| 1532 | global.ssl_server_verify = SSL_SERVER_VERIFY_NONE; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1533 | else if (*flag == 'V') |
| 1534 | arg_mode |= MODE_VERBOSE; |
| 1535 | else if (*flag == 'd' && flag[1] == 'b') |
| 1536 | arg_mode |= MODE_FOREGROUND; |
Willy Tarreau | 6e06443 | 2012-05-08 15:40:42 +0200 | [diff] [blame] | 1537 | else if (*flag == 'd' && flag[1] == 'M') |
| 1538 | mem_poison_byte = flag[2] ? strtol(flag + 2, NULL, 0) : 'P'; |
Willy Tarreau | 3eed10e | 2016-11-07 21:03:16 +0100 | [diff] [blame] | 1539 | else if (*flag == 'd' && flag[1] == 'r') |
| 1540 | global.tune.options |= GTUNE_RESOLVE_DONTFAIL; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1541 | else if (*flag == 'd') |
| 1542 | arg_mode |= MODE_DEBUG; |
| 1543 | else if (*flag == 'c') |
| 1544 | arg_mode |= MODE_CHECK; |
William Lallemand | 095ba4c | 2017-06-01 17:38:50 +0200 | [diff] [blame] | 1545 | else if (*flag == 'D') |
Willy Tarreau | 6bde87b | 2009-05-18 16:29:51 +0200 | [diff] [blame] | 1546 | arg_mode |= MODE_DAEMON; |
Tim Duesterhus | d6942c8 | 2017-11-20 15:58:35 +0100 | [diff] [blame] | 1547 | else if (*flag == 'W' && flag[1] == 's') { |
Lukas Tribus | f46bf95 | 2017-11-21 12:39:34 +0100 | [diff] [blame] | 1548 | arg_mode |= MODE_MWORKER | MODE_FOREGROUND; |
Tim Duesterhus | d6942c8 | 2017-11-20 15:58:35 +0100 | [diff] [blame] | 1549 | #if defined(USE_SYSTEMD) |
| 1550 | global.tune.options |= GTUNE_USE_SYSTEMD; |
| 1551 | #else |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1552 | ha_alert("master-worker mode with systemd support (-Ws) requested, but not compiled. Use master-worker mode (-W) if you are not using Type=notify in your unit file or recompile with USE_SYSTEMD=1.\n\n"); |
Tim Duesterhus | d6942c8 | 2017-11-20 15:58:35 +0100 | [diff] [blame] | 1553 | usage(progname); |
| 1554 | #endif |
| 1555 | } |
William Lallemand | 095ba4c | 2017-06-01 17:38:50 +0200 | [diff] [blame] | 1556 | else if (*flag == 'W') |
| 1557 | arg_mode |= MODE_MWORKER; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1558 | else if (*flag == 'q') |
| 1559 | arg_mode |= MODE_QUIET; |
Olivier Houchard | f73629d | 2017-04-05 22:33:04 +0200 | [diff] [blame] | 1560 | else if (*flag == 'x') { |
William Lallemand | 45eff44 | 2017-06-19 15:57:55 +0200 | [diff] [blame] | 1561 | if (argc <= 1 || argv[1][0] == '-') { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1562 | ha_alert("Unix socket path expected with the -x flag\n\n"); |
William Lallemand | 45eff44 | 2017-06-19 15:57:55 +0200 | [diff] [blame] | 1563 | usage(progname); |
Olivier Houchard | f73629d | 2017-04-05 22:33:04 +0200 | [diff] [blame] | 1564 | } |
William Lallemand | 4fc0969 | 2017-06-19 16:37:19 +0200 | [diff] [blame] | 1565 | if (old_unixsocket) |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1566 | ha_warning("-x option already set, overwriting the value\n"); |
Olivier Houchard | f73629d | 2017-04-05 22:33:04 +0200 | [diff] [blame] | 1567 | old_unixsocket = argv[1]; |
William Lallemand | 4fc0969 | 2017-06-19 16:37:19 +0200 | [diff] [blame] | 1568 | |
Olivier Houchard | f73629d | 2017-04-05 22:33:04 +0200 | [diff] [blame] | 1569 | argv++; |
| 1570 | argc--; |
| 1571 | } |
William Lallemand | e736115 | 2018-10-26 14:47:36 +0200 | [diff] [blame] | 1572 | else if (*flag == 'S') { |
| 1573 | struct wordlist *c; |
| 1574 | |
| 1575 | if (argc <= 1 || argv[1][0] == '-') { |
| 1576 | ha_alert("Socket and optional bind parameters expected with the -S flag\n"); |
| 1577 | usage(progname); |
| 1578 | } |
| 1579 | if ((c = malloc(sizeof(*c))) == NULL || (c->s = strdup(argv[1])) == NULL) { |
| 1580 | ha_alert("Cannot allocate memory\n"); |
| 1581 | exit(EXIT_FAILURE); |
| 1582 | } |
| 1583 | LIST_ADD(&mworker_cli_conf, &c->list); |
| 1584 | |
| 1585 | argv++; |
| 1586 | argc--; |
| 1587 | } |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1588 | else if (*flag == 's' && (flag[1] == 'f' || flag[1] == 't')) { |
| 1589 | /* list of pids to finish ('f') or terminate ('t') */ |
| 1590 | |
| 1591 | if (flag[1] == 'f') |
| 1592 | oldpids_sig = SIGUSR1; /* finish then exit */ |
| 1593 | else |
| 1594 | oldpids_sig = SIGTERM; /* terminate immediately */ |
Willy Tarreau | c6ca1aa | 2015-10-08 11:32:32 +0200 | [diff] [blame] | 1595 | while (argc > 1 && argv[1][0] != '-') { |
Chris Lane | 236062f | 2018-02-05 23:15:44 +0000 | [diff] [blame] | 1596 | char * endptr = NULL; |
Willy Tarreau | c6ca1aa | 2015-10-08 11:32:32 +0200 | [diff] [blame] | 1597 | oldpids = realloc(oldpids, (nb_oldpids + 1) * sizeof(int)); |
| 1598 | if (!oldpids) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1599 | ha_alert("Cannot allocate old pid : out of memory.\n"); |
Willy Tarreau | c6ca1aa | 2015-10-08 11:32:32 +0200 | [diff] [blame] | 1600 | exit(1); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1601 | } |
Willy Tarreau | c6ca1aa | 2015-10-08 11:32:32 +0200 | [diff] [blame] | 1602 | argc--; argv++; |
Chris Lane | 236062f | 2018-02-05 23:15:44 +0000 | [diff] [blame] | 1603 | errno = 0; |
| 1604 | oldpids[nb_oldpids] = strtol(*argv, &endptr, 10); |
| 1605 | if (errno) { |
| 1606 | ha_alert("-%2s option: failed to parse {%s}: %s\n", |
| 1607 | flag, |
| 1608 | *argv, strerror(errno)); |
| 1609 | exit(1); |
| 1610 | } else if (endptr && strlen(endptr)) { |
| 1611 | while (isspace(*endptr)) endptr++; |
Aurélien Nephtali | 39b8988 | 2018-02-17 20:53:11 +0100 | [diff] [blame] | 1612 | if (*endptr != 0) { |
Chris Lane | 236062f | 2018-02-05 23:15:44 +0000 | [diff] [blame] | 1613 | ha_alert("-%2s option: some bytes unconsumed in PID list {%s}\n", |
| 1614 | flag, endptr); |
| 1615 | exit(1); |
Aurélien Nephtali | 39b8988 | 2018-02-17 20:53:11 +0100 | [diff] [blame] | 1616 | } |
Chris Lane | 236062f | 2018-02-05 23:15:44 +0000 | [diff] [blame] | 1617 | } |
Willy Tarreau | c6ca1aa | 2015-10-08 11:32:32 +0200 | [diff] [blame] | 1618 | if (oldpids[nb_oldpids] <= 0) |
| 1619 | usage(progname); |
| 1620 | nb_oldpids++; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1621 | } |
| 1622 | } |
Willy Tarreau | a088d31 | 2015-10-08 11:58:48 +0200 | [diff] [blame] | 1623 | else if (flag[0] == '-' && flag[1] == 0) { /* "--" */ |
| 1624 | /* now that's a cfgfile list */ |
| 1625 | argv++; argc--; |
| 1626 | while (argc > 0) { |
Maxime de Roucy | 0f50392 | 2016-05-13 23:52:55 +0200 | [diff] [blame] | 1627 | if (!list_append_word(&cfg_cfgfiles, *argv, &err_msg)) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1628 | ha_alert("Cannot load configuration file/directory %s : %s\n", |
| 1629 | *argv, |
| 1630 | err_msg); |
Willy Tarreau | a088d31 | 2015-10-08 11:58:48 +0200 | [diff] [blame] | 1631 | exit(1); |
| 1632 | } |
Willy Tarreau | a088d31 | 2015-10-08 11:58:48 +0200 | [diff] [blame] | 1633 | argv++; argc--; |
| 1634 | } |
| 1635 | break; |
| 1636 | } |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1637 | else { /* >=2 args */ |
| 1638 | argv++; argc--; |
| 1639 | if (argc == 0) |
Willy Tarreau | 3bafcdc | 2011-09-10 19:20:23 +0200 | [diff] [blame] | 1640 | usage(progname); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1641 | |
| 1642 | switch (*flag) { |
Willy Tarreau | 576132e | 2011-09-10 19:26:56 +0200 | [diff] [blame] | 1643 | case 'C' : change_dir = *argv; break; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1644 | case 'n' : cfg_maxconn = atol(*argv); break; |
Willy Tarreau | 7006045 | 2015-12-14 12:46:07 +0100 | [diff] [blame] | 1645 | case 'm' : global.rlimit_memmax_all = atol(*argv); break; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1646 | case 'N' : cfg_maxpconn = atol(*argv); break; |
William Lallemand | daf4cd2 | 2018-04-17 16:46:13 +0200 | [diff] [blame] | 1647 | case 'L' : |
| 1648 | strncpy(localpeer, *argv, sizeof(localpeer) - 1); |
| 1649 | setenv("HAPROXY_LOCALPEER", localpeer, 1); |
| 1650 | break; |
Willy Tarreau | 5d01a63 | 2009-06-22 16:02:30 +0200 | [diff] [blame] | 1651 | case 'f' : |
Maxime de Roucy | 0f50392 | 2016-05-13 23:52:55 +0200 | [diff] [blame] | 1652 | if (!list_append_word(&cfg_cfgfiles, *argv, &err_msg)) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1653 | ha_alert("Cannot load configuration file/directory %s : %s\n", |
| 1654 | *argv, |
| 1655 | err_msg); |
Willy Tarreau | 5d01a63 | 2009-06-22 16:02:30 +0200 | [diff] [blame] | 1656 | exit(1); |
| 1657 | } |
Willy Tarreau | 5d01a63 | 2009-06-22 16:02:30 +0200 | [diff] [blame] | 1658 | break; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1659 | case 'p' : cfg_pidfile = *argv; break; |
Willy Tarreau | 3bafcdc | 2011-09-10 19:20:23 +0200 | [diff] [blame] | 1660 | default: usage(progname); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1661 | } |
| 1662 | } |
| 1663 | } |
| 1664 | else |
Willy Tarreau | 3bafcdc | 2011-09-10 19:20:23 +0200 | [diff] [blame] | 1665 | usage(progname); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1666 | argv++; argc--; |
| 1667 | } |
| 1668 | |
Christopher Faulet | e3a5e35 | 2017-10-24 13:53:54 +0200 | [diff] [blame] | 1669 | global.mode |= (arg_mode & (MODE_DAEMON | MODE_MWORKER | MODE_FOREGROUND | MODE_VERBOSE |
| 1670 | | MODE_QUIET | MODE_CHECK | MODE_DEBUG)); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1671 | |
William Lallemand | cb11fd2 | 2017-06-01 17:38:52 +0200 | [diff] [blame] | 1672 | /* Master workers wait mode */ |
| 1673 | if ((global.mode & MODE_MWORKER) && (getenv("HAPROXY_MWORKER_WAIT_ONLY") != NULL)) { |
| 1674 | |
| 1675 | unsetenv("HAPROXY_MWORKER_WAIT_ONLY"); |
William Lallemand | f9cc07c | 2018-09-11 10:06:25 +0200 | [diff] [blame] | 1676 | mworker_wait_mode(); |
William Lallemand | cb11fd2 | 2017-06-01 17:38:52 +0200 | [diff] [blame] | 1677 | } |
| 1678 | |
| 1679 | if ((global.mode & MODE_MWORKER) && (getenv("HAPROXY_MWORKER_REEXEC") != NULL)) { |
| 1680 | atexit_flag = 1; |
| 1681 | atexit(reexec_on_failure); |
| 1682 | } |
| 1683 | |
Willy Tarreau | 576132e | 2011-09-10 19:26:56 +0200 | [diff] [blame] | 1684 | if (change_dir && chdir(change_dir) < 0) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1685 | ha_alert("Could not change to directory %s : %s\n", change_dir, strerror(errno)); |
Willy Tarreau | 576132e | 2011-09-10 19:26:56 +0200 | [diff] [blame] | 1686 | exit(1); |
| 1687 | } |
| 1688 | |
Maxime de Roucy | 379d9c7 | 2016-05-13 23:52:56 +0200 | [diff] [blame] | 1689 | /* handle cfgfiles that are actualy directories */ |
| 1690 | cfgfiles_expand_directories(); |
| 1691 | |
| 1692 | if (LIST_ISEMPTY(&cfg_cfgfiles)) |
| 1693 | usage(progname); |
| 1694 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1695 | global.maxsock = 10; /* reserve 10 fds ; will be incremented by socket eaters */ |
Willy Tarreau | 915e1eb | 2009-06-22 15:48:36 +0200 | [diff] [blame] | 1696 | |
| 1697 | init_default_instance(); |
| 1698 | |
Willy Tarreau | 477ecd8 | 2010-01-03 21:12:30 +0100 | [diff] [blame] | 1699 | list_for_each_entry(wl, &cfg_cfgfiles, list) { |
Willy Tarreau | c438242 | 2009-12-06 13:10:44 +0100 | [diff] [blame] | 1700 | int ret; |
| 1701 | |
Willy Tarreau | 477ecd8 | 2010-01-03 21:12:30 +0100 | [diff] [blame] | 1702 | ret = readcfgfile(wl->s); |
Willy Tarreau | c438242 | 2009-12-06 13:10:44 +0100 | [diff] [blame] | 1703 | if (ret == -1) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1704 | ha_alert("Could not open configuration file %s : %s\n", |
| 1705 | wl->s, strerror(errno)); |
Willy Tarreau | c438242 | 2009-12-06 13:10:44 +0100 | [diff] [blame] | 1706 | exit(1); |
| 1707 | } |
Willy Tarreau | 25a67fa | 2009-12-15 21:46:25 +0100 | [diff] [blame] | 1708 | if (ret & (ERR_ABORT|ERR_FATAL)) |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1709 | ha_alert("Error(s) found in configuration file : %s\n", wl->s); |
Willy Tarreau | 25a67fa | 2009-12-15 21:46:25 +0100 | [diff] [blame] | 1710 | err_code |= ret; |
Willy Tarreau | 058e907 | 2009-07-20 09:30:05 +0200 | [diff] [blame] | 1711 | if (err_code & ERR_ABORT) |
Willy Tarreau | 5d01a63 | 2009-06-22 16:02:30 +0200 | [diff] [blame] | 1712 | exit(1); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1713 | } |
Krzysztof Oledzki | b304dc7 | 2007-10-14 23:40:01 +0200 | [diff] [blame] | 1714 | |
Willy Tarreau | b83dc3d | 2017-04-19 11:24:07 +0200 | [diff] [blame] | 1715 | /* do not try to resolve arguments nor to spot inconsistencies when |
| 1716 | * the configuration contains fatal errors caused by files not found |
| 1717 | * or failed memory allocations. |
| 1718 | */ |
| 1719 | if (err_code & (ERR_ABORT|ERR_FATAL)) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1720 | ha_alert("Fatal errors found in configuration.\n"); |
Willy Tarreau | b83dc3d | 2017-04-19 11:24:07 +0200 | [diff] [blame] | 1721 | exit(1); |
| 1722 | } |
| 1723 | |
William Lallemand | ce83b4a | 2018-10-26 14:47:30 +0200 | [diff] [blame] | 1724 | if (global.mode & MODE_MWORKER) { |
| 1725 | int proc; |
William Lallemand | e736115 | 2018-10-26 14:47:36 +0200 | [diff] [blame] | 1726 | struct wordlist *it, *c; |
William Lallemand | ce83b4a | 2018-10-26 14:47:30 +0200 | [diff] [blame] | 1727 | |
| 1728 | for (proc = 0; proc < global.nbproc; proc++) { |
| 1729 | struct mworker_proc *tmproc; |
| 1730 | |
| 1731 | tmproc = malloc(sizeof(*tmproc)); |
| 1732 | if (!tmproc) { |
| 1733 | ha_alert("Cannot allocate process structures.\n"); |
| 1734 | exit(EXIT_FAILURE); |
| 1735 | } |
| 1736 | |
| 1737 | tmproc->pid = -1; |
| 1738 | tmproc->reloads = 0; |
| 1739 | tmproc->relative_pid = 1 + proc; |
William Lallemand | 550db6d | 2018-11-06 17:37:12 +0100 | [diff] [blame] | 1740 | tmproc->ipc_fd[0] = -1; |
| 1741 | tmproc->ipc_fd[1] = -1; |
William Lallemand | ce83b4a | 2018-10-26 14:47:30 +0200 | [diff] [blame] | 1742 | |
| 1743 | if (mworker_cli_sockpair_new(tmproc, proc) < 0) { |
| 1744 | exit(EXIT_FAILURE); |
| 1745 | } |
| 1746 | |
| 1747 | LIST_ADDQ(&proc_list, &tmproc->list); |
| 1748 | } |
William Lallemand | 1b66361 | 2018-10-26 14:47:33 +0200 | [diff] [blame] | 1749 | mworker_env_to_proc_list(); /* get the info of the children in the env */ |
William Lallemand | 8a02257 | 2018-10-26 14:47:35 +0200 | [diff] [blame] | 1750 | |
William Lallemand | e736115 | 2018-10-26 14:47:36 +0200 | [diff] [blame] | 1751 | |
William Lallemand | 550db6d | 2018-11-06 17:37:12 +0100 | [diff] [blame] | 1752 | if (!LIST_ISEMPTY(&mworker_cli_conf)) { |
William Lallemand | e736115 | 2018-10-26 14:47:36 +0200 | [diff] [blame] | 1753 | |
William Lallemand | 550db6d | 2018-11-06 17:37:12 +0100 | [diff] [blame] | 1754 | if (mworker_cli_proxy_create() < 0) { |
William Lallemand | e736115 | 2018-10-26 14:47:36 +0200 | [diff] [blame] | 1755 | ha_alert("Can't create the master's CLI.\n"); |
| 1756 | exit(EXIT_FAILURE); |
| 1757 | } |
William Lallemand | e736115 | 2018-10-26 14:47:36 +0200 | [diff] [blame] | 1758 | |
William Lallemand | 550db6d | 2018-11-06 17:37:12 +0100 | [diff] [blame] | 1759 | list_for_each_entry_safe(c, it, &mworker_cli_conf, list) { |
| 1760 | |
| 1761 | if (mworker_cli_proxy_new_listener(c->s) < 0) { |
| 1762 | ha_alert("Can't create the master's CLI.\n"); |
| 1763 | exit(EXIT_FAILURE); |
| 1764 | } |
| 1765 | LIST_DEL(&c->list); |
| 1766 | free(c->s); |
| 1767 | free(c); |
| 1768 | } |
| 1769 | } |
William Lallemand | ce83b4a | 2018-10-26 14:47:30 +0200 | [diff] [blame] | 1770 | } |
| 1771 | |
Thierry FOURNIER | af5a29d | 2014-03-11 14:29:22 +0100 | [diff] [blame] | 1772 | pattern_finalize_config(); |
| 1773 | |
Willy Tarreau | bb92501 | 2009-07-23 13:36:36 +0200 | [diff] [blame] | 1774 | err_code |= check_config_validity(); |
| 1775 | if (err_code & (ERR_ABORT|ERR_FATAL)) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1776 | ha_alert("Fatal errors found in configuration.\n"); |
Willy Tarreau | 915e1eb | 2009-06-22 15:48:36 +0200 | [diff] [blame] | 1777 | exit(1); |
| 1778 | } |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1779 | |
Willy Tarreau | 7006045 | 2015-12-14 12:46:07 +0100 | [diff] [blame] | 1780 | /* recompute the amount of per-process memory depending on nbproc and |
| 1781 | * the shared SSL cache size (allowed to exist in all processes). |
| 1782 | */ |
| 1783 | if (global.rlimit_memmax_all) { |
| 1784 | #if defined (USE_OPENSSL) && !defined(USE_PRIVATE_CACHE) |
| 1785 | int64_t ssl_cache_bytes = global.tune.sslcachesize * 200LL; |
| 1786 | |
| 1787 | global.rlimit_memmax = |
| 1788 | ((((int64_t)global.rlimit_memmax_all * 1048576LL) - |
| 1789 | ssl_cache_bytes) / global.nbproc + |
| 1790 | ssl_cache_bytes + 1048575LL) / 1048576LL; |
| 1791 | #else |
| 1792 | global.rlimit_memmax = global.rlimit_memmax_all / global.nbproc; |
| 1793 | #endif |
| 1794 | } |
| 1795 | |
KOVACS Krisztian | b3e54fe | 2014-11-17 15:11:45 +0100 | [diff] [blame] | 1796 | #ifdef CONFIG_HAP_NS |
| 1797 | err_code |= netns_init(); |
| 1798 | if (err_code & (ERR_ABORT|ERR_FATAL)) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1799 | ha_alert("Failed to initialize namespace support.\n"); |
KOVACS Krisztian | b3e54fe | 2014-11-17 15:11:45 +0100 | [diff] [blame] | 1800 | exit(1); |
| 1801 | } |
| 1802 | #endif |
| 1803 | |
Baptiste Assmann | 4215d7d | 2016-11-02 15:33:15 +0100 | [diff] [blame] | 1804 | /* Apply server states */ |
| 1805 | apply_server_state(); |
| 1806 | |
Olivier Houchard | fbc74e8 | 2017-11-24 16:54:05 +0100 | [diff] [blame] | 1807 | for (px = proxies_list; px; px = px->next) |
Baptiste Assmann | 4215d7d | 2016-11-02 15:33:15 +0100 | [diff] [blame] | 1808 | srv_compute_all_admin_states(px); |
| 1809 | |
Baptiste Assmann | 83cbaa5 | 2016-11-02 15:34:05 +0100 | [diff] [blame] | 1810 | /* Apply servers' configured address */ |
| 1811 | err_code |= srv_init_addr(); |
| 1812 | if (err_code & (ERR_ABORT|ERR_FATAL)) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1813 | ha_alert("Failed to initialize server(s) addr.\n"); |
Baptiste Assmann | 83cbaa5 | 2016-11-02 15:34:05 +0100 | [diff] [blame] | 1814 | exit(1); |
| 1815 | } |
| 1816 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1817 | if (global.mode & MODE_CHECK) { |
Willy Tarreau | 8b15ba1 | 2012-02-02 17:48:18 +0100 | [diff] [blame] | 1818 | struct peers *pr; |
| 1819 | struct proxy *px; |
| 1820 | |
Frédéric Lécaille | ed2b4a6 | 2017-07-13 09:07:09 +0200 | [diff] [blame] | 1821 | for (pr = cfg_peers; pr; pr = pr->next) |
Willy Tarreau | 8b15ba1 | 2012-02-02 17:48:18 +0100 | [diff] [blame] | 1822 | if (pr->peers_fe) |
| 1823 | break; |
| 1824 | |
Olivier Houchard | fbc74e8 | 2017-11-24 16:54:05 +0100 | [diff] [blame] | 1825 | for (px = proxies_list; px; px = px->next) |
Willy Tarreau | 4348fad | 2012-09-20 16:48:07 +0200 | [diff] [blame] | 1826 | if (px->state == PR_STNEW && !LIST_ISEMPTY(&px->conf.listeners)) |
Willy Tarreau | 8b15ba1 | 2012-02-02 17:48:18 +0100 | [diff] [blame] | 1827 | break; |
| 1828 | |
| 1829 | if (pr || px) { |
| 1830 | /* At least one peer or one listener has been found */ |
| 1831 | qfprintf(stdout, "Configuration file is valid\n"); |
| 1832 | exit(0); |
| 1833 | } |
| 1834 | qfprintf(stdout, "Configuration file has no error but will not start (no listener) => exit(2).\n"); |
| 1835 | exit(2); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1836 | } |
| 1837 | |
Emeric Brun | c60def8 | 2017-09-27 14:59:38 +0200 | [diff] [blame] | 1838 | global_listener_queue_task = task_new(MAX_THREADS_MASK); |
Willy Tarreau | e9b2602 | 2011-08-01 20:57:55 +0200 | [diff] [blame] | 1839 | if (!global_listener_queue_task) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1840 | ha_alert("Out of memory when initializing global task\n"); |
Willy Tarreau | e9b2602 | 2011-08-01 20:57:55 +0200 | [diff] [blame] | 1841 | exit(1); |
| 1842 | } |
| 1843 | /* very simple initialization, users will queue the task if needed */ |
| 1844 | global_listener_queue_task->context = NULL; /* not even a context! */ |
| 1845 | global_listener_queue_task->process = manage_global_listener_queue; |
Willy Tarreau | e9b2602 | 2011-08-01 20:57:55 +0200 | [diff] [blame] | 1846 | |
Willy Tarreau | 8263d2b | 2012-08-28 00:06:31 +0200 | [diff] [blame] | 1847 | /* now we know the buffer size, we can initialize the channels and buffers */ |
Willy Tarreau | 9b28e03 | 2012-10-12 23:49:43 +0200 | [diff] [blame] | 1848 | init_buffer(); |
Willy Tarreau | 8280d64 | 2009-09-23 23:37:52 +0200 | [diff] [blame] | 1849 | |
Willy Tarreau | e694573 | 2016-12-21 19:57:00 +0100 | [diff] [blame] | 1850 | list_for_each_entry(pcf, &post_check_list, list) { |
| 1851 | err_code |= pcf->fct(); |
| 1852 | if (err_code & (ERR_ABORT|ERR_FATAL)) |
| 1853 | exit(1); |
| 1854 | } |
| 1855 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1856 | if (cfg_maxconn > 0) |
| 1857 | global.maxconn = cfg_maxconn; |
| 1858 | |
| 1859 | if (cfg_pidfile) { |
Willy Tarreau | a534fea | 2008-08-03 12:19:50 +0200 | [diff] [blame] | 1860 | free(global.pidfile); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1861 | global.pidfile = strdup(cfg_pidfile); |
| 1862 | } |
| 1863 | |
Willy Tarreau | d025648 | 2015-01-15 21:45:22 +0100 | [diff] [blame] | 1864 | /* Now we want to compute the maxconn and possibly maxsslconn values. |
| 1865 | * It's a bit tricky. If memmax is not set, maxconn defaults to |
| 1866 | * DEFAULT_MAXCONN and maxsslconn defaults to DEFAULT_MAXSSLCONN. |
| 1867 | * |
| 1868 | * If memmax is set, then it depends on which values are set. If |
| 1869 | * maxsslconn is set, we use memmax to determine how many cleartext |
| 1870 | * connections may be added, and set maxconn to the sum of the two. |
| 1871 | * If maxconn is set and not maxsslconn, maxsslconn is computed from |
| 1872 | * the remaining amount of memory between memmax and the cleartext |
| 1873 | * connections. If neither are set, then it is considered that all |
| 1874 | * connections are SSL-capable, and maxconn is computed based on this, |
| 1875 | * then maxsslconn accordingly. We need to know if SSL is used on the |
| 1876 | * frontends, backends, or both, because when it's used on both sides, |
| 1877 | * we need twice the value for maxsslconn, but we only count the |
| 1878 | * handshake once since it is not performed on the two sides at the |
| 1879 | * same time (frontend-side is terminated before backend-side begins). |
| 1880 | * The SSL stack is supposed to have filled ssl_session_cost and |
Willy Tarreau | 474b96a | 2015-01-28 19:03:21 +0100 | [diff] [blame] | 1881 | * ssl_handshake_cost during its initialization. In any case, if |
| 1882 | * SYSTEM_MAXCONN is set, we still enforce it as an upper limit for |
| 1883 | * maxconn in order to protect the system. |
Willy Tarreau | d025648 | 2015-01-15 21:45:22 +0100 | [diff] [blame] | 1884 | */ |
| 1885 | if (!global.rlimit_memmax) { |
| 1886 | if (global.maxconn == 0) { |
| 1887 | global.maxconn = DEFAULT_MAXCONN; |
| 1888 | if (global.mode & (MODE_VERBOSE|MODE_DEBUG)) |
| 1889 | fprintf(stderr, "Note: setting global.maxconn to %d.\n", global.maxconn); |
| 1890 | } |
| 1891 | } |
| 1892 | #ifdef USE_OPENSSL |
| 1893 | else if (!global.maxconn && !global.maxsslconn && |
| 1894 | (global.ssl_used_frontend || global.ssl_used_backend)) { |
| 1895 | /* memmax is set, compute everything automatically. Here we want |
| 1896 | * to ensure that all SSL connections will be served. We take |
| 1897 | * care of the number of sides where SSL is used, and consider |
| 1898 | * the worst case : SSL used on both sides and doing a handshake |
| 1899 | * simultaneously. Note that we can't have more than maxconn |
| 1900 | * handshakes at a time by definition, so for the worst case of |
| 1901 | * two SSL conns per connection, we count a single handshake. |
| 1902 | */ |
| 1903 | int sides = !!global.ssl_used_frontend + !!global.ssl_used_backend; |
| 1904 | int64_t mem = global.rlimit_memmax * 1048576ULL; |
| 1905 | |
| 1906 | mem -= global.tune.sslcachesize * 200; // about 200 bytes per SSL cache entry |
| 1907 | mem -= global.maxzlibmem; |
| 1908 | mem = mem * MEM_USABLE_RATIO; |
| 1909 | |
| 1910 | global.maxconn = mem / |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1911 | ((STREAM_MAX_COST + 2 * global.tune.bufsize) + // stream + 2 buffers per stream |
Willy Tarreau | d025648 | 2015-01-15 21:45:22 +0100 | [diff] [blame] | 1912 | sides * global.ssl_session_max_cost + // SSL buffers, one per side |
| 1913 | global.ssl_handshake_max_cost); // 1 handshake per connection max |
| 1914 | |
| 1915 | global.maxconn = round_2dig(global.maxconn); |
Willy Tarreau | 474b96a | 2015-01-28 19:03:21 +0100 | [diff] [blame] | 1916 | #ifdef SYSTEM_MAXCONN |
| 1917 | if (global.maxconn > DEFAULT_MAXCONN) |
| 1918 | global.maxconn = DEFAULT_MAXCONN; |
| 1919 | #endif /* SYSTEM_MAXCONN */ |
Willy Tarreau | d025648 | 2015-01-15 21:45:22 +0100 | [diff] [blame] | 1920 | global.maxsslconn = sides * global.maxconn; |
| 1921 | if (global.mode & (MODE_VERBOSE|MODE_DEBUG)) |
| 1922 | fprintf(stderr, "Note: setting global.maxconn to %d and global.maxsslconn to %d.\n", |
| 1923 | global.maxconn, global.maxsslconn); |
| 1924 | } |
| 1925 | else if (!global.maxsslconn && |
| 1926 | (global.ssl_used_frontend || global.ssl_used_backend)) { |
| 1927 | /* memmax and maxconn are known, compute maxsslconn automatically. |
| 1928 | * maxsslconn being forced, we don't know how many of it will be |
| 1929 | * on each side if both sides are being used. The worst case is |
| 1930 | * when all connections use only one SSL instance because |
| 1931 | * handshakes may be on two sides at the same time. |
| 1932 | */ |
| 1933 | int sides = !!global.ssl_used_frontend + !!global.ssl_used_backend; |
| 1934 | int64_t mem = global.rlimit_memmax * 1048576ULL; |
| 1935 | int64_t sslmem; |
| 1936 | |
| 1937 | mem -= global.tune.sslcachesize * 200; // about 200 bytes per SSL cache entry |
| 1938 | mem -= global.maxzlibmem; |
| 1939 | mem = mem * MEM_USABLE_RATIO; |
| 1940 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1941 | sslmem = mem - global.maxconn * (int64_t)(STREAM_MAX_COST + 2 * global.tune.bufsize); |
Willy Tarreau | d025648 | 2015-01-15 21:45:22 +0100 | [diff] [blame] | 1942 | global.maxsslconn = sslmem / (global.ssl_session_max_cost + global.ssl_handshake_max_cost); |
| 1943 | global.maxsslconn = round_2dig(global.maxsslconn); |
| 1944 | |
| 1945 | if (sslmem <= 0 || global.maxsslconn < sides) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1946 | ha_alert("Cannot compute the automatic maxsslconn because global.maxconn is already too " |
| 1947 | "high for the global.memmax value (%d MB). The absolute maximum possible value " |
| 1948 | "without SSL is %d, but %d was found and SSL is in use.\n", |
| 1949 | global.rlimit_memmax, |
| 1950 | (int)(mem / (STREAM_MAX_COST + 2 * global.tune.bufsize)), |
| 1951 | global.maxconn); |
Willy Tarreau | d025648 | 2015-01-15 21:45:22 +0100 | [diff] [blame] | 1952 | exit(1); |
| 1953 | } |
| 1954 | |
| 1955 | if (global.maxsslconn > sides * global.maxconn) |
| 1956 | global.maxsslconn = sides * global.maxconn; |
| 1957 | |
| 1958 | if (global.mode & (MODE_VERBOSE|MODE_DEBUG)) |
| 1959 | fprintf(stderr, "Note: setting global.maxsslconn to %d\n", global.maxsslconn); |
| 1960 | } |
| 1961 | #endif |
| 1962 | else if (!global.maxconn) { |
| 1963 | /* memmax and maxsslconn are known/unused, compute maxconn automatically */ |
| 1964 | int sides = !!global.ssl_used_frontend + !!global.ssl_used_backend; |
| 1965 | int64_t mem = global.rlimit_memmax * 1048576ULL; |
| 1966 | int64_t clearmem; |
| 1967 | |
| 1968 | if (global.ssl_used_frontend || global.ssl_used_backend) |
| 1969 | mem -= global.tune.sslcachesize * 200; // about 200 bytes per SSL cache entry |
| 1970 | |
| 1971 | mem -= global.maxzlibmem; |
| 1972 | mem = mem * MEM_USABLE_RATIO; |
| 1973 | |
| 1974 | clearmem = mem; |
| 1975 | if (sides) |
| 1976 | clearmem -= (global.ssl_session_max_cost + global.ssl_handshake_max_cost) * (int64_t)global.maxsslconn; |
| 1977 | |
Willy Tarreau | 87b0966 | 2015-04-03 00:22:06 +0200 | [diff] [blame] | 1978 | global.maxconn = clearmem / (STREAM_MAX_COST + 2 * global.tune.bufsize); |
Willy Tarreau | d025648 | 2015-01-15 21:45:22 +0100 | [diff] [blame] | 1979 | global.maxconn = round_2dig(global.maxconn); |
Willy Tarreau | 474b96a | 2015-01-28 19:03:21 +0100 | [diff] [blame] | 1980 | #ifdef SYSTEM_MAXCONN |
| 1981 | if (global.maxconn > DEFAULT_MAXCONN) |
| 1982 | global.maxconn = DEFAULT_MAXCONN; |
| 1983 | #endif /* SYSTEM_MAXCONN */ |
Willy Tarreau | d025648 | 2015-01-15 21:45:22 +0100 | [diff] [blame] | 1984 | |
| 1985 | if (clearmem <= 0 || !global.maxconn) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 1986 | ha_alert("Cannot compute the automatic maxconn because global.maxsslconn is already too " |
| 1987 | "high for the global.memmax value (%d MB). The absolute maximum possible value " |
| 1988 | "is %d, but %d was found.\n", |
| 1989 | global.rlimit_memmax, |
| 1990 | (int)(mem / (global.ssl_session_max_cost + global.ssl_handshake_max_cost)), |
| 1991 | global.maxsslconn); |
Willy Tarreau | d025648 | 2015-01-15 21:45:22 +0100 | [diff] [blame] | 1992 | exit(1); |
| 1993 | } |
| 1994 | |
| 1995 | if (global.mode & (MODE_VERBOSE|MODE_DEBUG)) { |
| 1996 | if (sides && global.maxsslconn > sides * global.maxconn) { |
| 1997 | fprintf(stderr, "Note: global.maxsslconn is forced to %d which causes global.maxconn " |
| 1998 | "to be limited to %d. Better reduce global.maxsslconn to get more " |
| 1999 | "room for extra connections.\n", global.maxsslconn, global.maxconn); |
| 2000 | } |
| 2001 | fprintf(stderr, "Note: setting global.maxconn to %d\n", global.maxconn); |
| 2002 | } |
| 2003 | } |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2004 | |
Willy Tarreau | 66aa61f | 2009-01-18 21:44:07 +0100 | [diff] [blame] | 2005 | if (!global.maxpipes) { |
| 2006 | /* maxpipes not specified. Count how many frontends and backends |
| 2007 | * may be using splicing, and bound that to maxconn. |
| 2008 | */ |
| 2009 | struct proxy *cur; |
| 2010 | int nbfe = 0, nbbe = 0; |
| 2011 | |
Olivier Houchard | fbc74e8 | 2017-11-24 16:54:05 +0100 | [diff] [blame] | 2012 | for (cur = proxies_list; cur; cur = cur->next) { |
Willy Tarreau | 66aa61f | 2009-01-18 21:44:07 +0100 | [diff] [blame] | 2013 | if (cur->options2 & (PR_O2_SPLIC_ANY)) { |
| 2014 | if (cur->cap & PR_CAP_FE) |
| 2015 | nbfe += cur->maxconn; |
| 2016 | if (cur->cap & PR_CAP_BE) |
Willy Tarreau | afb4876 | 2009-01-25 10:42:05 +0100 | [diff] [blame] | 2017 | nbbe += cur->fullconn ? cur->fullconn : global.maxconn; |
Willy Tarreau | 66aa61f | 2009-01-18 21:44:07 +0100 | [diff] [blame] | 2018 | } |
| 2019 | } |
| 2020 | global.maxpipes = MAX(nbfe, nbbe); |
| 2021 | if (global.maxpipes > global.maxconn) |
| 2022 | global.maxpipes = global.maxconn; |
Willy Tarreau | 686ac82 | 2009-01-25 14:06:58 +0100 | [diff] [blame] | 2023 | global.maxpipes /= 4; |
Willy Tarreau | 66aa61f | 2009-01-18 21:44:07 +0100 | [diff] [blame] | 2024 | } |
| 2025 | |
| 2026 | |
Willy Tarreau | abacc2c | 2011-09-07 14:26:33 +0200 | [diff] [blame] | 2027 | global.hardmaxconn = global.maxconn; /* keep this max value */ |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2028 | global.maxsock += global.maxconn * 2; /* each connection needs two sockets */ |
Willy Tarreau | 3ec79b9 | 2009-01-18 20:39:42 +0100 | [diff] [blame] | 2029 | global.maxsock += global.maxpipes * 2; /* each pipe needs two FDs */ |
Emeric Brun | ece0c33 | 2017-12-06 13:51:49 +0100 | [diff] [blame] | 2030 | /* compute fd used by async engines */ |
| 2031 | if (global.ssl_used_async_engines) { |
| 2032 | int sides = !!global.ssl_used_frontend + !!global.ssl_used_backend; |
| 2033 | global.maxsock += global.maxconn * sides * global.ssl_used_async_engines; |
| 2034 | } |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2035 | |
Willy Tarreau | 3c63fd8 | 2011-09-07 18:00:47 +0200 | [diff] [blame] | 2036 | if (global.stats_fe) |
| 2037 | global.maxsock += global.stats_fe->maxconn; |
| 2038 | |
Frédéric Lécaille | ed2b4a6 | 2017-07-13 09:07:09 +0200 | [diff] [blame] | 2039 | if (cfg_peers) { |
Willy Tarreau | 3c63fd8 | 2011-09-07 18:00:47 +0200 | [diff] [blame] | 2040 | /* peers also need to bypass global maxconn */ |
Frédéric Lécaille | ed2b4a6 | 2017-07-13 09:07:09 +0200 | [diff] [blame] | 2041 | struct peers *p = cfg_peers; |
Willy Tarreau | 3c63fd8 | 2011-09-07 18:00:47 +0200 | [diff] [blame] | 2042 | |
Frédéric Lécaille | ed2b4a6 | 2017-07-13 09:07:09 +0200 | [diff] [blame] | 2043 | for (p = cfg_peers; p; p = p->next) |
Willy Tarreau | 3c63fd8 | 2011-09-07 18:00:47 +0200 | [diff] [blame] | 2044 | if (p->peers_fe) |
| 2045 | global.maxsock += p->peers_fe->maxconn; |
| 2046 | } |
| 2047 | |
Willy Tarreau | 1db3771 | 2007-06-03 17:16:49 +0200 | [diff] [blame] | 2048 | if (global.tune.maxpollevents <= 0) |
| 2049 | global.tune.maxpollevents = MAX_POLL_EVENTS; |
| 2050 | |
Olivier Houchard | 1599b80 | 2018-05-24 18:59:04 +0200 | [diff] [blame] | 2051 | if (global.tune.runqueue_depth <= 0) |
| 2052 | global.tune.runqueue_depth = RUNQUEUE_DEPTH; |
| 2053 | |
Willy Tarreau | 6f4a82c | 2009-03-21 20:43:57 +0100 | [diff] [blame] | 2054 | if (global.tune.recv_enough == 0) |
| 2055 | global.tune.recv_enough = MIN_RECV_AT_ONCE_ENOUGH; |
| 2056 | |
Willy Tarreau | 2709784 | 2015-09-28 13:53:23 +0200 | [diff] [blame] | 2057 | if (global.tune.maxrewrite < 0) |
| 2058 | global.tune.maxrewrite = MAXREWRITE; |
| 2059 | |
Willy Tarreau | 27a674e | 2009-08-17 07:23:33 +0200 | [diff] [blame] | 2060 | if (global.tune.maxrewrite >= global.tune.bufsize / 2) |
| 2061 | global.tune.maxrewrite = global.tune.bufsize / 2; |
| 2062 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2063 | if (arg_mode & (MODE_DEBUG | MODE_FOREGROUND)) { |
| 2064 | /* command line debug mode inhibits configuration mode */ |
William Lallemand | 095ba4c | 2017-06-01 17:38:50 +0200 | [diff] [blame] | 2065 | global.mode &= ~(MODE_DAEMON | MODE_QUIET); |
Willy Tarreau | 772f0dd | 2012-10-26 16:04:28 +0200 | [diff] [blame] | 2066 | global.mode |= (arg_mode & (MODE_DEBUG | MODE_FOREGROUND)); |
| 2067 | } |
| 2068 | |
William Lallemand | 095ba4c | 2017-06-01 17:38:50 +0200 | [diff] [blame] | 2069 | if (arg_mode & MODE_DAEMON) { |
Willy Tarreau | 772f0dd | 2012-10-26 16:04:28 +0200 | [diff] [blame] | 2070 | /* command line daemon mode inhibits foreground and debug modes mode */ |
| 2071 | global.mode &= ~(MODE_DEBUG | MODE_FOREGROUND); |
William Lallemand | 095ba4c | 2017-06-01 17:38:50 +0200 | [diff] [blame] | 2072 | global.mode |= arg_mode & MODE_DAEMON; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2073 | } |
Willy Tarreau | 772f0dd | 2012-10-26 16:04:28 +0200 | [diff] [blame] | 2074 | |
| 2075 | global.mode |= (arg_mode & (MODE_QUIET | MODE_VERBOSE)); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2076 | |
William Lallemand | 095ba4c | 2017-06-01 17:38:50 +0200 | [diff] [blame] | 2077 | if ((global.mode & MODE_DEBUG) && (global.mode & (MODE_DAEMON | MODE_QUIET))) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 2078 | ha_warning("<debug> mode incompatible with <quiet> and <daemon>. Keeping <debug> only.\n"); |
William Lallemand | 095ba4c | 2017-06-01 17:38:50 +0200 | [diff] [blame] | 2079 | global.mode &= ~(MODE_DAEMON | MODE_QUIET); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2080 | } |
| 2081 | |
William Lallemand | 095ba4c | 2017-06-01 17:38:50 +0200 | [diff] [blame] | 2082 | if ((global.nbproc > 1) && !(global.mode & (MODE_DAEMON | MODE_MWORKER))) { |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2083 | if (!(global.mode & (MODE_FOREGROUND | MODE_DEBUG))) |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 2084 | ha_warning("<nbproc> is only meaningful in daemon mode or master-worker mode. Setting limit to 1 process.\n"); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2085 | global.nbproc = 1; |
| 2086 | } |
| 2087 | |
| 2088 | if (global.nbproc < 1) |
| 2089 | global.nbproc = 1; |
| 2090 | |
Christopher Faulet | be0faa2 | 2017-08-29 15:37:10 +0200 | [diff] [blame] | 2091 | if (global.nbthread < 1) |
| 2092 | global.nbthread = 1; |
| 2093 | |
Christopher Faulet | 3ef2639 | 2017-08-29 16:46:57 +0200 | [diff] [blame] | 2094 | /* Realloc trash buffers because global.tune.bufsize may have changed */ |
Christopher Faulet | cd7879a | 2017-10-27 13:53:47 +0200 | [diff] [blame] | 2095 | if (!init_trash_buffers(0)) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 2096 | ha_alert("failed to initialize trash buffers.\n"); |
Christopher Faulet | 3ef2639 | 2017-08-29 16:46:57 +0200 | [diff] [blame] | 2097 | exit(1); |
| 2098 | } |
| 2099 | |
Christopher Faulet | 96d4483 | 2017-11-14 22:02:30 +0100 | [diff] [blame] | 2100 | if (!init_log_buffers()) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 2101 | ha_alert("failed to initialize log buffers.\n"); |
Christopher Faulet | 96d4483 | 2017-11-14 22:02:30 +0100 | [diff] [blame] | 2102 | exit(1); |
| 2103 | } |
| 2104 | |
Willy Tarreau | ef1d1f8 | 2007-04-16 00:25:25 +0200 | [diff] [blame] | 2105 | /* |
| 2106 | * Note: we could register external pollers here. |
| 2107 | * Built-in pollers have been registered before main(). |
| 2108 | */ |
Willy Tarreau | 4f60f16 | 2007-04-08 16:39:58 +0200 | [diff] [blame] | 2109 | |
Willy Tarreau | 43b7899 | 2009-01-25 15:42:27 +0100 | [diff] [blame] | 2110 | if (!(global.tune.options & GTUNE_USE_KQUEUE)) |
Willy Tarreau | 1e63130a | 2007-04-09 12:03:06 +0200 | [diff] [blame] | 2111 | disable_poller("kqueue"); |
| 2112 | |
Willy Tarreau | 43b7899 | 2009-01-25 15:42:27 +0100 | [diff] [blame] | 2113 | if (!(global.tune.options & GTUNE_USE_EPOLL)) |
Willy Tarreau | 4f60f16 | 2007-04-08 16:39:58 +0200 | [diff] [blame] | 2114 | disable_poller("epoll"); |
| 2115 | |
Willy Tarreau | 43b7899 | 2009-01-25 15:42:27 +0100 | [diff] [blame] | 2116 | if (!(global.tune.options & GTUNE_USE_POLL)) |
Willy Tarreau | 4f60f16 | 2007-04-08 16:39:58 +0200 | [diff] [blame] | 2117 | disable_poller("poll"); |
| 2118 | |
Willy Tarreau | 43b7899 | 2009-01-25 15:42:27 +0100 | [diff] [blame] | 2119 | if (!(global.tune.options & GTUNE_USE_SELECT)) |
Willy Tarreau | 4f60f16 | 2007-04-08 16:39:58 +0200 | [diff] [blame] | 2120 | disable_poller("select"); |
| 2121 | |
| 2122 | /* Note: we could disable any poller by name here */ |
| 2123 | |
Christopher Faulet | b3f4e14 | 2016-03-07 12:46:38 +0100 | [diff] [blame] | 2124 | if (global.mode & (MODE_VERBOSE|MODE_DEBUG)) { |
Willy Tarreau | 2ff7622 | 2007-04-09 19:29:56 +0200 | [diff] [blame] | 2125 | list_pollers(stderr); |
Christopher Faulet | b3f4e14 | 2016-03-07 12:46:38 +0100 | [diff] [blame] | 2126 | fprintf(stderr, "\n"); |
| 2127 | list_filters(stderr); |
| 2128 | } |
Willy Tarreau | 2ff7622 | 2007-04-09 19:29:56 +0200 | [diff] [blame] | 2129 | |
Willy Tarreau | 4f60f16 | 2007-04-08 16:39:58 +0200 | [diff] [blame] | 2130 | if (!init_pollers()) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 2131 | ha_alert("No polling mechanism available.\n" |
| 2132 | " It is likely that haproxy was built with TARGET=generic and that FD_SETSIZE\n" |
| 2133 | " is too low on this platform to support maxconn and the number of listeners\n" |
| 2134 | " and servers. You should rebuild haproxy specifying your system using TARGET=\n" |
| 2135 | " in order to support other polling systems (poll, epoll, kqueue) or reduce the\n" |
| 2136 | " global maxconn setting to accommodate the system's limitation. For reference,\n" |
| 2137 | " FD_SETSIZE=%d on this system, global.maxconn=%d resulting in a maximum of\n" |
| 2138 | " %d file descriptors. You should thus reduce global.maxconn by %d. Also,\n" |
| 2139 | " check build settings using 'haproxy -vv'.\n\n", |
| 2140 | FD_SETSIZE, global.maxconn, global.maxsock, (global.maxsock + 1 - FD_SETSIZE) / 2); |
Willy Tarreau | 4f60f16 | 2007-04-08 16:39:58 +0200 | [diff] [blame] | 2141 | exit(1); |
| 2142 | } |
Willy Tarreau | 2ff7622 | 2007-04-09 19:29:56 +0200 | [diff] [blame] | 2143 | if (global.mode & (MODE_VERBOSE|MODE_DEBUG)) { |
| 2144 | printf("Using %s() as the polling mechanism.\n", cur_poller.name); |
Willy Tarreau | 4f60f16 | 2007-04-08 16:39:58 +0200 | [diff] [blame] | 2145 | } |
| 2146 | |
Krzysztof Piotr Oledzki | 48cb2ae | 2009-10-02 22:51:14 +0200 | [diff] [blame] | 2147 | if (!global.node) |
| 2148 | global.node = strdup(hostname); |
| 2149 | |
Thierry FOURNIER | a4a0f3d | 2015-01-23 12:08:30 +0100 | [diff] [blame] | 2150 | if (!hlua_post_init()) |
| 2151 | exit(1); |
Thomas Holmes | 6abded4 | 2015-05-12 16:23:58 +0100 | [diff] [blame] | 2152 | |
Maxime de Roucy | 0f50392 | 2016-05-13 23:52:55 +0200 | [diff] [blame] | 2153 | free(err_msg); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2154 | } |
| 2155 | |
Simon Horman | 6fb8259 | 2011-07-15 13:14:11 +0900 | [diff] [blame] | 2156 | static void deinit_acl_cond(struct acl_cond *cond) |
Simon Horman | ac82142 | 2011-07-15 13:14:09 +0900 | [diff] [blame] | 2157 | { |
Simon Horman | ac82142 | 2011-07-15 13:14:09 +0900 | [diff] [blame] | 2158 | struct acl_term_suite *suite, *suiteb; |
| 2159 | struct acl_term *term, *termb; |
| 2160 | |
Simon Horman | 6fb8259 | 2011-07-15 13:14:11 +0900 | [diff] [blame] | 2161 | if (!cond) |
| 2162 | return; |
| 2163 | |
| 2164 | list_for_each_entry_safe(suite, suiteb, &cond->suites, list) { |
| 2165 | list_for_each_entry_safe(term, termb, &suite->terms, list) { |
| 2166 | LIST_DEL(&term->list); |
| 2167 | free(term); |
Simon Horman | ac82142 | 2011-07-15 13:14:09 +0900 | [diff] [blame] | 2168 | } |
Simon Horman | 6fb8259 | 2011-07-15 13:14:11 +0900 | [diff] [blame] | 2169 | LIST_DEL(&suite->list); |
| 2170 | free(suite); |
| 2171 | } |
| 2172 | |
| 2173 | free(cond); |
| 2174 | } |
| 2175 | |
| 2176 | static void deinit_tcp_rules(struct list *rules) |
| 2177 | { |
Thierry FOURNIER | a28a942 | 2015-08-04 19:35:46 +0200 | [diff] [blame] | 2178 | struct act_rule *trule, *truleb; |
Simon Horman | 6fb8259 | 2011-07-15 13:14:11 +0900 | [diff] [blame] | 2179 | |
| 2180 | list_for_each_entry_safe(trule, truleb, rules, list) { |
Simon Horman | ac82142 | 2011-07-15 13:14:09 +0900 | [diff] [blame] | 2181 | LIST_DEL(&trule->list); |
Simon Horman | 6fb8259 | 2011-07-15 13:14:11 +0900 | [diff] [blame] | 2182 | deinit_acl_cond(trule->cond); |
Simon Horman | ac82142 | 2011-07-15 13:14:09 +0900 | [diff] [blame] | 2183 | free(trule); |
| 2184 | } |
| 2185 | } |
| 2186 | |
Simon Horman | 6fb8259 | 2011-07-15 13:14:11 +0900 | [diff] [blame] | 2187 | static void deinit_stick_rules(struct list *rules) |
| 2188 | { |
| 2189 | struct sticking_rule *rule, *ruleb; |
| 2190 | |
| 2191 | list_for_each_entry_safe(rule, ruleb, rules, list) { |
| 2192 | LIST_DEL(&rule->list); |
| 2193 | deinit_acl_cond(rule->cond); |
Christopher Faulet | 476e5d0 | 2016-10-26 11:34:47 +0200 | [diff] [blame] | 2194 | release_sample_expr(rule->expr); |
Simon Horman | 6fb8259 | 2011-07-15 13:14:11 +0900 | [diff] [blame] | 2195 | free(rule); |
| 2196 | } |
| 2197 | } |
| 2198 | |
Cyril Bonté | 203ec5a | 2017-03-23 22:44:13 +0100 | [diff] [blame] | 2199 | void deinit(void) |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2200 | { |
Olivier Houchard | fbc74e8 | 2017-11-24 16:54:05 +0100 | [diff] [blame] | 2201 | struct proxy *p = proxies_list, *p0; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2202 | struct cap_hdr *h,*h_next; |
| 2203 | struct server *s,*s_next; |
| 2204 | struct listener *l,*l_next; |
Willy Tarreau | 0fc45a7 | 2007-06-17 00:36:03 +0200 | [diff] [blame] | 2205 | struct acl_cond *cond, *condb; |
| 2206 | struct hdr_exp *exp, *expb; |
Krzysztof Piotr Oledzki | a643baf | 2008-05-29 23:53:44 +0200 | [diff] [blame] | 2207 | struct acl *acl, *aclb; |
Krzysztof Piotr Oledzki | 8001d61 | 2008-05-31 13:53:23 +0200 | [diff] [blame] | 2208 | struct switching_rule *rule, *ruleb; |
Willy Tarreau | 4a5cade | 2012-04-05 21:09:48 +0200 | [diff] [blame] | 2209 | struct server_rule *srule, *sruleb; |
Willy Tarreau | b463dfb | 2008-06-07 23:08:56 +0200 | [diff] [blame] | 2210 | struct redirect_rule *rdr, *rdrb; |
Willy Tarreau | deb9ed8 | 2010-01-03 21:03:22 +0100 | [diff] [blame] | 2211 | struct wordlist *wl, *wlb; |
Willy Tarreau | f4f0412 | 2010-01-28 18:10:50 +0100 | [diff] [blame] | 2212 | struct cond_wordlist *cwl, *cwlb; |
Krzysztof Piotr Oledzki | 8001d61 | 2008-05-31 13:53:23 +0200 | [diff] [blame] | 2213 | struct uri_auth *uap, *ua = NULL; |
William Lallemand | 0f99e34 | 2011-10-12 17:50:54 +0200 | [diff] [blame] | 2214 | struct logsrv *log, *logb; |
William Lallemand | 723b73a | 2012-02-08 16:37:49 +0100 | [diff] [blame] | 2215 | struct logformat_node *lf, *lfb; |
Willy Tarreau | 2a65ff0 | 2012-09-13 17:54:29 +0200 | [diff] [blame] | 2216 | struct bind_conf *bind_conf, *bind_back; |
Willy Tarreau | cdb737e | 2016-12-21 18:43:10 +0100 | [diff] [blame] | 2217 | struct build_opts_str *bol, *bolb; |
Willy Tarreau | 05554e6 | 2016-12-21 20:46:26 +0100 | [diff] [blame] | 2218 | struct post_deinit_fct *pdf; |
Willy Tarreau | 0fc45a7 | 2007-06-17 00:36:03 +0200 | [diff] [blame] | 2219 | int i; |
Krzysztof Piotr Oledzki | 8001d61 | 2008-05-31 13:53:23 +0200 | [diff] [blame] | 2220 | |
Willy Tarreau | 24f4efa | 2010-08-27 17:56:48 +0200 | [diff] [blame] | 2221 | deinit_signals(); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2222 | while (p) { |
Willy Tarreau | 8113a5d | 2012-10-04 08:01:43 +0200 | [diff] [blame] | 2223 | free(p->conf.file); |
Willy Tarreau | a534fea | 2008-08-03 12:19:50 +0200 | [diff] [blame] | 2224 | free(p->id); |
| 2225 | free(p->check_req); |
| 2226 | free(p->cookie_name); |
| 2227 | free(p->cookie_domain); |
| 2228 | free(p->url_param_name); |
| 2229 | free(p->capture_name); |
| 2230 | free(p->monitor_uri); |
Simon Horman | a31c7f7 | 2011-07-15 13:14:08 +0900 | [diff] [blame] | 2231 | free(p->rdp_cookie_name); |
Willy Tarreau | 62a6123 | 2013-04-12 18:13:46 +0200 | [diff] [blame] | 2232 | if (p->conf.logformat_string != default_http_log_format && |
| 2233 | p->conf.logformat_string != default_tcp_log_format && |
| 2234 | p->conf.logformat_string != clf_http_log_format) |
| 2235 | free(p->conf.logformat_string); |
Willy Tarreau | 196729e | 2012-05-31 19:30:26 +0200 | [diff] [blame] | 2236 | |
Willy Tarreau | 62a6123 | 2013-04-12 18:13:46 +0200 | [diff] [blame] | 2237 | free(p->conf.lfs_file); |
| 2238 | free(p->conf.uniqueid_format_string); |
| 2239 | free(p->conf.uif_file); |
Godbach | af1a75d | 2013-10-02 17:10:11 +0800 | [diff] [blame] | 2240 | free(p->lbprm.map.srv); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2241 | |
Dragan Dosen | 0b85ece | 2015-09-25 19:17:44 +0200 | [diff] [blame] | 2242 | if (p->conf.logformat_sd_string != default_rfc5424_sd_log_format) |
| 2243 | free(p->conf.logformat_sd_string); |
| 2244 | free(p->conf.lfsd_file); |
| 2245 | |
Willy Tarreau | a534fea | 2008-08-03 12:19:50 +0200 | [diff] [blame] | 2246 | for (i = 0; i < HTTP_ERR_SIZE; i++) |
Krzysztof Piotr Oledzki | 78abe61 | 2009-09-27 13:23:20 +0200 | [diff] [blame] | 2247 | chunk_destroy(&p->errmsg[i]); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2248 | |
Willy Tarreau | f4f0412 | 2010-01-28 18:10:50 +0100 | [diff] [blame] | 2249 | list_for_each_entry_safe(cwl, cwlb, &p->req_add, list) { |
| 2250 | LIST_DEL(&cwl->list); |
| 2251 | free(cwl->s); |
| 2252 | free(cwl); |
Willy Tarreau | deb9ed8 | 2010-01-03 21:03:22 +0100 | [diff] [blame] | 2253 | } |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2254 | |
Willy Tarreau | f4f0412 | 2010-01-28 18:10:50 +0100 | [diff] [blame] | 2255 | list_for_each_entry_safe(cwl, cwlb, &p->rsp_add, list) { |
| 2256 | LIST_DEL(&cwl->list); |
| 2257 | free(cwl->s); |
| 2258 | free(cwl); |
Willy Tarreau | deb9ed8 | 2010-01-03 21:03:22 +0100 | [diff] [blame] | 2259 | } |
Willy Tarreau | 0fc45a7 | 2007-06-17 00:36:03 +0200 | [diff] [blame] | 2260 | |
Willy Tarreau | b80c230 | 2007-11-30 20:51:32 +0100 | [diff] [blame] | 2261 | list_for_each_entry_safe(cond, condb, &p->mon_fail_cond, list) { |
| 2262 | LIST_DEL(&cond->list); |
| 2263 | prune_acl_cond(cond); |
| 2264 | free(cond); |
| 2265 | } |
| 2266 | |
Willy Tarreau | 0fc45a7 | 2007-06-17 00:36:03 +0200 | [diff] [blame] | 2267 | for (exp = p->req_exp; exp != NULL; ) { |
Krzysztof Piotr Oledzki | 8001d61 | 2008-05-31 13:53:23 +0200 | [diff] [blame] | 2268 | if (exp->preg) { |
Thierry FOURNIER | 09af0d6 | 2014-06-18 11:35:54 +0200 | [diff] [blame] | 2269 | regex_free(exp->preg); |
| 2270 | free(exp->preg); |
Krzysztof Piotr Oledzki | 8001d61 | 2008-05-31 13:53:23 +0200 | [diff] [blame] | 2271 | } |
| 2272 | |
Willy Tarreau | 98d0485 | 2015-05-26 12:18:29 +0200 | [diff] [blame] | 2273 | free((char *)exp->replace); |
Willy Tarreau | 0fc45a7 | 2007-06-17 00:36:03 +0200 | [diff] [blame] | 2274 | expb = exp; |
| 2275 | exp = exp->next; |
| 2276 | free(expb); |
| 2277 | } |
| 2278 | |
| 2279 | for (exp = p->rsp_exp; exp != NULL; ) { |
Krzysztof Piotr Oledzki | 8001d61 | 2008-05-31 13:53:23 +0200 | [diff] [blame] | 2280 | if (exp->preg) { |
Thierry FOURNIER | 09af0d6 | 2014-06-18 11:35:54 +0200 | [diff] [blame] | 2281 | regex_free(exp->preg); |
| 2282 | free(exp->preg); |
Krzysztof Piotr Oledzki | 8001d61 | 2008-05-31 13:53:23 +0200 | [diff] [blame] | 2283 | } |
| 2284 | |
Willy Tarreau | 98d0485 | 2015-05-26 12:18:29 +0200 | [diff] [blame] | 2285 | free((char *)exp->replace); |
Willy Tarreau | 0fc45a7 | 2007-06-17 00:36:03 +0200 | [diff] [blame] | 2286 | expb = exp; |
| 2287 | exp = exp->next; |
| 2288 | free(expb); |
| 2289 | } |
| 2290 | |
Krzysztof Piotr Oledzki | 8001d61 | 2008-05-31 13:53:23 +0200 | [diff] [blame] | 2291 | /* build a list of unique uri_auths */ |
| 2292 | if (!ua) |
| 2293 | ua = p->uri_auth; |
| 2294 | else { |
| 2295 | /* check if p->uri_auth is unique */ |
| 2296 | for (uap = ua; uap; uap=uap->next) |
| 2297 | if (uap == p->uri_auth) |
| 2298 | break; |
| 2299 | |
Willy Tarreau | accc4e1 | 2008-06-24 11:14:45 +0200 | [diff] [blame] | 2300 | if (!uap && p->uri_auth) { |
Krzysztof Piotr Oledzki | 8001d61 | 2008-05-31 13:53:23 +0200 | [diff] [blame] | 2301 | /* add it, if it is */ |
| 2302 | p->uri_auth->next = ua; |
| 2303 | ua = p->uri_auth; |
| 2304 | } |
| 2305 | } |
Willy Tarreau | 0fc45a7 | 2007-06-17 00:36:03 +0200 | [diff] [blame] | 2306 | |
Krzysztof Piotr Oledzki | a643baf | 2008-05-29 23:53:44 +0200 | [diff] [blame] | 2307 | list_for_each_entry_safe(acl, aclb, &p->acl, list) { |
| 2308 | LIST_DEL(&acl->list); |
| 2309 | prune_acl(acl); |
| 2310 | free(acl); |
| 2311 | } |
| 2312 | |
Willy Tarreau | 4a5cade | 2012-04-05 21:09:48 +0200 | [diff] [blame] | 2313 | list_for_each_entry_safe(srule, sruleb, &p->server_rules, list) { |
| 2314 | LIST_DEL(&srule->list); |
| 2315 | prune_acl_cond(srule->cond); |
| 2316 | free(srule->cond); |
| 2317 | free(srule); |
| 2318 | } |
| 2319 | |
Krzysztof Piotr Oledzki | 8001d61 | 2008-05-31 13:53:23 +0200 | [diff] [blame] | 2320 | list_for_each_entry_safe(rule, ruleb, &p->switching_rules, list) { |
| 2321 | LIST_DEL(&rule->list); |
Willy Tarreau | f51658d | 2014-04-23 01:21:56 +0200 | [diff] [blame] | 2322 | if (rule->cond) { |
| 2323 | prune_acl_cond(rule->cond); |
| 2324 | free(rule->cond); |
Thierry FOURNIER / OZON.IO | 4ed1c95 | 2016-11-24 23:57:54 +0100 | [diff] [blame] | 2325 | free(rule->file); |
Willy Tarreau | f51658d | 2014-04-23 01:21:56 +0200 | [diff] [blame] | 2326 | } |
Krzysztof Piotr Oledzki | 8001d61 | 2008-05-31 13:53:23 +0200 | [diff] [blame] | 2327 | free(rule); |
| 2328 | } |
| 2329 | |
Willy Tarreau | b463dfb | 2008-06-07 23:08:56 +0200 | [diff] [blame] | 2330 | list_for_each_entry_safe(rdr, rdrb, &p->redirect_rules, list) { |
| 2331 | LIST_DEL(&rdr->list); |
Willy Tarreau | f285f54 | 2010-01-03 20:03:03 +0100 | [diff] [blame] | 2332 | if (rdr->cond) { |
| 2333 | prune_acl_cond(rdr->cond); |
| 2334 | free(rdr->cond); |
| 2335 | } |
Willy Tarreau | b463dfb | 2008-06-07 23:08:56 +0200 | [diff] [blame] | 2336 | free(rdr->rdr_str); |
Thierry FOURNIER | d18cd0f | 2013-11-29 12:15:45 +0100 | [diff] [blame] | 2337 | list_for_each_entry_safe(lf, lfb, &rdr->rdr_fmt, list) { |
| 2338 | LIST_DEL(&lf->list); |
| 2339 | free(lf); |
| 2340 | } |
Willy Tarreau | b463dfb | 2008-06-07 23:08:56 +0200 | [diff] [blame] | 2341 | free(rdr); |
| 2342 | } |
| 2343 | |
William Lallemand | 0f99e34 | 2011-10-12 17:50:54 +0200 | [diff] [blame] | 2344 | list_for_each_entry_safe(log, logb, &p->logsrvs, list) { |
| 2345 | LIST_DEL(&log->list); |
| 2346 | free(log); |
| 2347 | } |
| 2348 | |
William Lallemand | 723b73a | 2012-02-08 16:37:49 +0100 | [diff] [blame] | 2349 | list_for_each_entry_safe(lf, lfb, &p->logformat, list) { |
| 2350 | LIST_DEL(&lf->list); |
| 2351 | free(lf); |
| 2352 | } |
| 2353 | |
Dragan Dosen | 0b85ece | 2015-09-25 19:17:44 +0200 | [diff] [blame] | 2354 | list_for_each_entry_safe(lf, lfb, &p->logformat_sd, list) { |
| 2355 | LIST_DEL(&lf->list); |
| 2356 | free(lf); |
| 2357 | } |
| 2358 | |
Simon Horman | ac82142 | 2011-07-15 13:14:09 +0900 | [diff] [blame] | 2359 | deinit_tcp_rules(&p->tcp_req.inspect_rules); |
| 2360 | deinit_tcp_rules(&p->tcp_req.l4_rules); |
| 2361 | |
Simon Horman | 6fb8259 | 2011-07-15 13:14:11 +0900 | [diff] [blame] | 2362 | deinit_stick_rules(&p->storersp_rules); |
| 2363 | deinit_stick_rules(&p->sticking_rules); |
| 2364 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2365 | h = p->req_cap; |
| 2366 | while (h) { |
| 2367 | h_next = h->next; |
Willy Tarreau | a534fea | 2008-08-03 12:19:50 +0200 | [diff] [blame] | 2368 | free(h->name); |
Willy Tarreau | bafbe01 | 2017-11-24 17:34:44 +0100 | [diff] [blame] | 2369 | pool_destroy(h->pool); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2370 | free(h); |
| 2371 | h = h_next; |
| 2372 | }/* end while(h) */ |
| 2373 | |
| 2374 | h = p->rsp_cap; |
| 2375 | while (h) { |
| 2376 | h_next = h->next; |
Willy Tarreau | a534fea | 2008-08-03 12:19:50 +0200 | [diff] [blame] | 2377 | free(h->name); |
Willy Tarreau | bafbe01 | 2017-11-24 17:34:44 +0100 | [diff] [blame] | 2378 | pool_destroy(h->pool); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2379 | free(h); |
| 2380 | h = h_next; |
| 2381 | }/* end while(h) */ |
Krzysztof Piotr Oledzki | a643baf | 2008-05-29 23:53:44 +0200 | [diff] [blame] | 2382 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2383 | s = p->srv; |
| 2384 | while (s) { |
| 2385 | s_next = s->next; |
Krzysztof Piotr Oledzki | a643baf | 2008-05-29 23:53:44 +0200 | [diff] [blame] | 2386 | |
Willy Tarreau | 5b3a202 | 2012-09-28 15:01:02 +0200 | [diff] [blame] | 2387 | if (s->check.task) { |
| 2388 | task_delete(s->check.task); |
| 2389 | task_free(s->check.task); |
Krzysztof Piotr Oledzki | a643baf | 2008-05-29 23:53:44 +0200 | [diff] [blame] | 2390 | } |
Simon Horman | d60d691 | 2013-11-25 10:46:36 +0900 | [diff] [blame] | 2391 | if (s->agent.task) { |
| 2392 | task_delete(s->agent.task); |
| 2393 | task_free(s->agent.task); |
| 2394 | } |
Krzysztof Piotr Oledzki | a643baf | 2008-05-29 23:53:44 +0200 | [diff] [blame] | 2395 | |
Willy Tarreau | 2e99390 | 2011-10-31 11:53:20 +0100 | [diff] [blame] | 2396 | if (s->warmup) { |
| 2397 | task_delete(s->warmup); |
| 2398 | task_free(s->warmup); |
| 2399 | } |
| 2400 | |
Willy Tarreau | a534fea | 2008-08-03 12:19:50 +0200 | [diff] [blame] | 2401 | free(s->id); |
| 2402 | free(s->cookie); |
Willy Tarreau | c9fa048 | 2018-07-10 17:43:27 +0200 | [diff] [blame] | 2403 | free(s->check.bi.area); |
| 2404 | free(s->check.bo.area); |
| 2405 | free(s->agent.bi.area); |
| 2406 | free(s->agent.bo.area); |
James Brown | 55f9ff1 | 2015-10-21 18:19:05 -0700 | [diff] [blame] | 2407 | free(s->agent.send_string); |
Christopher Faulet | 67957bd | 2017-09-27 11:00:59 +0200 | [diff] [blame] | 2408 | free(s->hostname_dn); |
Sárközi, László | 34c0179 | 2014-09-05 10:08:23 +0200 | [diff] [blame] | 2409 | free((char*)s->conf.file); |
Willy Tarreau | 17d4538 | 2016-12-22 21:16:08 +0100 | [diff] [blame] | 2410 | |
| 2411 | if (s->use_ssl || s->check.use_ssl) { |
| 2412 | if (xprt_get(XPRT_SSL) && xprt_get(XPRT_SSL)->destroy_srv) |
| 2413 | xprt_get(XPRT_SSL)->destroy_srv(s); |
| 2414 | } |
Christopher Faulet | 2a944ee | 2017-11-07 10:42:54 +0100 | [diff] [blame] | 2415 | HA_SPIN_DESTROY(&s->lock); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2416 | free(s); |
| 2417 | s = s_next; |
| 2418 | }/* end while(s) */ |
Krzysztof Piotr Oledzki | a643baf | 2008-05-29 23:53:44 +0200 | [diff] [blame] | 2419 | |
Willy Tarreau | 4348fad | 2012-09-20 16:48:07 +0200 | [diff] [blame] | 2420 | list_for_each_entry_safe(l, l_next, &p->conf.listeners, by_fe) { |
Olivier Houchard | 1fc0516 | 2017-04-06 01:05:05 +0200 | [diff] [blame] | 2421 | /* |
| 2422 | * Zombie proxy, the listener just pretend to be up |
| 2423 | * because they still hold an opened fd. |
| 2424 | * Close it and give the listener its real state. |
| 2425 | */ |
| 2426 | if (p->state == PR_STSTOPPED && l->state >= LI_ZOMBIE) { |
| 2427 | close(l->fd); |
| 2428 | l->state = LI_INIT; |
| 2429 | } |
Willy Tarreau | f6e2cc7 | 2010-09-03 10:38:17 +0200 | [diff] [blame] | 2430 | unbind_listener(l); |
| 2431 | delete_listener(l); |
Willy Tarreau | 4348fad | 2012-09-20 16:48:07 +0200 | [diff] [blame] | 2432 | LIST_DEL(&l->by_fe); |
| 2433 | LIST_DEL(&l->by_bind); |
Krzysztof Piotr Oledzki | aff01ea | 2010-02-05 20:31:44 +0100 | [diff] [blame] | 2434 | free(l->name); |
| 2435 | free(l->counters); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2436 | free(l); |
Willy Tarreau | 4348fad | 2012-09-20 16:48:07 +0200 | [diff] [blame] | 2437 | } |
Krzysztof Piotr Oledzki | a643baf | 2008-05-29 23:53:44 +0200 | [diff] [blame] | 2438 | |
Willy Tarreau | 4348fad | 2012-09-20 16:48:07 +0200 | [diff] [blame] | 2439 | /* Release unused SSL configs. */ |
Willy Tarreau | 2a65ff0 | 2012-09-13 17:54:29 +0200 | [diff] [blame] | 2440 | list_for_each_entry_safe(bind_conf, bind_back, &p->conf.bind, by_fe) { |
Willy Tarreau | 795cdab | 2016-12-22 17:30:54 +0100 | [diff] [blame] | 2441 | if (bind_conf->xprt->destroy_bind_conf) |
| 2442 | bind_conf->xprt->destroy_bind_conf(bind_conf); |
Willy Tarreau | 2a65ff0 | 2012-09-13 17:54:29 +0200 | [diff] [blame] | 2443 | free(bind_conf->file); |
| 2444 | free(bind_conf->arg); |
| 2445 | LIST_DEL(&bind_conf->by_fe); |
| 2446 | free(bind_conf); |
| 2447 | } |
Willy Tarreau | f5ae8f7 | 2012-09-07 16:58:00 +0200 | [diff] [blame] | 2448 | |
Christopher Faulet | d7c9196 | 2015-04-30 11:48:27 +0200 | [diff] [blame] | 2449 | flt_deinit(p); |
| 2450 | |
Krzysztof Piotr Oledzki | aff01ea | 2010-02-05 20:31:44 +0100 | [diff] [blame] | 2451 | free(p->desc); |
| 2452 | free(p->fwdfor_hdr_name); |
| 2453 | |
Willy Tarreau | ff011f2 | 2011-01-06 17:51:27 +0100 | [diff] [blame] | 2454 | free_http_req_rules(&p->http_req_rules); |
Sasha Pachev | 218f064 | 2014-06-16 12:05:59 -0600 | [diff] [blame] | 2455 | free_http_res_rules(&p->http_res_rules); |
Willy Tarreau | 1f89b18 | 2017-11-22 16:53:53 +0100 | [diff] [blame] | 2456 | task_free(p->task); |
Krzysztof Piotr Oledzki | 59bb218 | 2010-01-29 17:58:21 +0100 | [diff] [blame] | 2457 | |
Willy Tarreau | bafbe01 | 2017-11-24 17:34:44 +0100 | [diff] [blame] | 2458 | pool_destroy(p->req_cap_pool); |
| 2459 | pool_destroy(p->rsp_cap_pool); |
| 2460 | pool_destroy(p->table.pool); |
Krzysztof Piotr Oledzki | 9610504 | 2010-01-29 17:50:44 +0100 | [diff] [blame] | 2461 | |
Willy Tarreau | 4d2d098 | 2007-05-14 00:39:29 +0200 | [diff] [blame] | 2462 | p0 = p; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2463 | p = p->next; |
Christopher Faulet | 2a944ee | 2017-11-07 10:42:54 +0100 | [diff] [blame] | 2464 | HA_SPIN_DESTROY(&p0->lbprm.lock); |
| 2465 | HA_SPIN_DESTROY(&p0->lock); |
Willy Tarreau | 4d2d098 | 2007-05-14 00:39:29 +0200 | [diff] [blame] | 2466 | free(p0); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2467 | }/* end while(p) */ |
Willy Tarreau | dd81598 | 2007-10-16 12:25:14 +0200 | [diff] [blame] | 2468 | |
Krzysztof Piotr Oledzki | 8001d61 | 2008-05-31 13:53:23 +0200 | [diff] [blame] | 2469 | while (ua) { |
| 2470 | uap = ua; |
| 2471 | ua = ua->next; |
| 2472 | |
Willy Tarreau | a534fea | 2008-08-03 12:19:50 +0200 | [diff] [blame] | 2473 | free(uap->uri_prefix); |
| 2474 | free(uap->auth_realm); |
Krzysztof Piotr Oledzki | 48cb2ae | 2009-10-02 22:51:14 +0200 | [diff] [blame] | 2475 | free(uap->node); |
| 2476 | free(uap->desc); |
Krzysztof Piotr Oledzki | 8001d61 | 2008-05-31 13:53:23 +0200 | [diff] [blame] | 2477 | |
Krzysztof Piotr Oledzki | 8c8bd45 | 2010-01-29 19:29:32 +0100 | [diff] [blame] | 2478 | userlist_free(uap->userlist); |
Willy Tarreau | ff011f2 | 2011-01-06 17:51:27 +0100 | [diff] [blame] | 2479 | free_http_req_rules(&uap->http_req_rules); |
Krzysztof Piotr Oledzki | 8c8bd45 | 2010-01-29 19:29:32 +0100 | [diff] [blame] | 2480 | |
Krzysztof Piotr Oledzki | 8001d61 | 2008-05-31 13:53:23 +0200 | [diff] [blame] | 2481 | free(uap); |
| 2482 | } |
| 2483 | |
Krzysztof Piotr Oledzki | 9610504 | 2010-01-29 17:50:44 +0100 | [diff] [blame] | 2484 | userlist_free(userlist); |
| 2485 | |
David Carlier | 834cb2e | 2015-09-25 12:02:25 +0100 | [diff] [blame] | 2486 | cfg_unregister_sections(); |
| 2487 | |
Christopher Faulet | 0132d06 | 2017-07-26 15:33:35 +0200 | [diff] [blame] | 2488 | deinit_log_buffers(); |
Christopher Faulet | 748919a | 2017-07-26 14:59:46 +0200 | [diff] [blame] | 2489 | deinit_trash_buffers(); |
David Carlier | 834cb2e | 2015-09-25 12:02:25 +0100 | [diff] [blame] | 2490 | |
Willy Tarreau | dd81598 | 2007-10-16 12:25:14 +0200 | [diff] [blame] | 2491 | protocol_unbind_all(); |
| 2492 | |
Willy Tarreau | 05554e6 | 2016-12-21 20:46:26 +0100 | [diff] [blame] | 2493 | list_for_each_entry(pdf, &post_deinit_list, list) |
| 2494 | pdf->fct(); |
| 2495 | |
Joe Williams | df5b38f | 2010-12-29 17:05:48 +0100 | [diff] [blame] | 2496 | free(global.log_send_hostname); global.log_send_hostname = NULL; |
Dragan Dosen | 43885c7 | 2015-10-01 13:18:13 +0200 | [diff] [blame] | 2497 | chunk_destroy(&global.log_tag); |
Willy Tarreau | a534fea | 2008-08-03 12:19:50 +0200 | [diff] [blame] | 2498 | free(global.chroot); global.chroot = NULL; |
| 2499 | free(global.pidfile); global.pidfile = NULL; |
Krzysztof Piotr Oledzki | 48cb2ae | 2009-10-02 22:51:14 +0200 | [diff] [blame] | 2500 | free(global.node); global.node = NULL; |
| 2501 | free(global.desc); global.desc = NULL; |
Willy Tarreau | a534fea | 2008-08-03 12:19:50 +0200 | [diff] [blame] | 2502 | free(oldpids); oldpids = NULL; |
Willy Tarreau | 1f89b18 | 2017-11-22 16:53:53 +0100 | [diff] [blame] | 2503 | task_free(global_listener_queue_task); global_listener_queue_task = NULL; |
Krzysztof Piotr Oledzki | 8001d61 | 2008-05-31 13:53:23 +0200 | [diff] [blame] | 2504 | |
William Lallemand | 0f99e34 | 2011-10-12 17:50:54 +0200 | [diff] [blame] | 2505 | list_for_each_entry_safe(log, logb, &global.logsrvs, list) { |
| 2506 | LIST_DEL(&log->list); |
| 2507 | free(log); |
| 2508 | } |
Willy Tarreau | 477ecd8 | 2010-01-03 21:12:30 +0100 | [diff] [blame] | 2509 | list_for_each_entry_safe(wl, wlb, &cfg_cfgfiles, list) { |
Maxime de Roucy | 0f50392 | 2016-05-13 23:52:55 +0200 | [diff] [blame] | 2510 | free(wl->s); |
Willy Tarreau | 477ecd8 | 2010-01-03 21:12:30 +0100 | [diff] [blame] | 2511 | LIST_DEL(&wl->list); |
| 2512 | free(wl); |
| 2513 | } |
| 2514 | |
Willy Tarreau | cdb737e | 2016-12-21 18:43:10 +0100 | [diff] [blame] | 2515 | list_for_each_entry_safe(bol, bolb, &build_opts_list, list) { |
| 2516 | if (bol->must_free) |
| 2517 | free((void *)bol->str); |
| 2518 | LIST_DEL(&bol->list); |
| 2519 | free(bol); |
| 2520 | } |
| 2521 | |
Christopher Faulet | ff2613e | 2016-11-09 11:36:17 +0100 | [diff] [blame] | 2522 | vars_prune(&global.vars, NULL, NULL); |
| 2523 | |
Christopher Faulet | ad405f1 | 2017-08-29 15:30:11 +0200 | [diff] [blame] | 2524 | deinit_buffer(); |
| 2525 | |
Willy Tarreau | bafbe01 | 2017-11-24 17:34:44 +0100 | [diff] [blame] | 2526 | pool_destroy(pool_head_stream); |
| 2527 | pool_destroy(pool_head_session); |
| 2528 | pool_destroy(pool_head_connection); |
| 2529 | pool_destroy(pool_head_connstream); |
| 2530 | pool_destroy(pool_head_requri); |
| 2531 | pool_destroy(pool_head_task); |
| 2532 | pool_destroy(pool_head_capture); |
| 2533 | pool_destroy(pool_head_pendconn); |
| 2534 | pool_destroy(pool_head_sig_handlers); |
| 2535 | pool_destroy(pool_head_hdr_idx); |
| 2536 | pool_destroy(pool_head_http_txn); |
Krzysztof Piotr Oledzki | a643baf | 2008-05-29 23:53:44 +0200 | [diff] [blame] | 2537 | deinit_pollers(); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2538 | } /* end deinit() */ |
| 2539 | |
Christopher Faulet | d4604ad | 2017-05-29 10:40:41 +0200 | [diff] [blame] | 2540 | void mworker_pipe_handler(int fd) |
| 2541 | { |
| 2542 | char c; |
| 2543 | |
| 2544 | while (read(fd, &c, 1) == -1) { |
| 2545 | if (errno == EINTR) |
| 2546 | continue; |
| 2547 | if (errno == EAGAIN) { |
| 2548 | fd_cant_recv(fd); |
| 2549 | return; |
| 2550 | } |
| 2551 | break; |
| 2552 | } |
| 2553 | |
Emeric Brun | c8c0ed9 | 2018-10-11 15:27:07 +0200 | [diff] [blame] | 2554 | /* At this step the master is down before |
| 2555 | * this worker perform a 'normal' exit. |
| 2556 | * So we want to exit with an error but |
| 2557 | * other threads could currently process |
| 2558 | * some stuff so we can't perform a clean |
| 2559 | * deinit(). |
| 2560 | */ |
Christopher Faulet | d4604ad | 2017-05-29 10:40:41 +0200 | [diff] [blame] | 2561 | exit(EXIT_FAILURE); |
| 2562 | return; |
| 2563 | } |
| 2564 | |
Willy Tarreau | 1605c7a | 2018-01-23 19:01:49 +0100 | [diff] [blame] | 2565 | /* should only be called once per process */ |
| 2566 | void mworker_pipe_register() |
Christopher Faulet | d4604ad | 2017-05-29 10:40:41 +0200 | [diff] [blame] | 2567 | { |
William Lallemand | bc19305 | 2018-09-11 10:06:26 +0200 | [diff] [blame] | 2568 | if (fdtab[proc_self->ipc_fd[1]].owner) |
Willy Tarreau | 1605c7a | 2018-01-23 19:01:49 +0100 | [diff] [blame] | 2569 | /* already initialized */ |
| 2570 | return; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2571 | |
William Lallemand | bc19305 | 2018-09-11 10:06:26 +0200 | [diff] [blame] | 2572 | fcntl(proc_self->ipc_fd[1], F_SETFL, O_NONBLOCK); |
Emeric Brun | c8c0ed9 | 2018-10-11 15:27:07 +0200 | [diff] [blame] | 2573 | /* In multi-tread, we need only one thread to process |
| 2574 | * events on the pipe with master |
| 2575 | */ |
| 2576 | fd_insert(proc_self->ipc_fd[1], proc_self->ipc_fd, mworker_pipe_handler, 1); |
William Lallemand | bc19305 | 2018-09-11 10:06:26 +0200 | [diff] [blame] | 2577 | fd_want_recv(proc_self->ipc_fd[1]); |
Christopher Faulet | d4604ad | 2017-05-29 10:40:41 +0200 | [diff] [blame] | 2578 | } |
Christopher Faulet | dc628a3 | 2017-10-19 11:59:44 +0200 | [diff] [blame] | 2579 | |
Willy Tarreau | 918ff60 | 2011-07-25 16:33:49 +0200 | [diff] [blame] | 2580 | /* Runs the polling loop */ |
Willy Tarreau | 1b5af7c | 2016-12-21 18:19:57 +0100 | [diff] [blame] | 2581 | static void run_poll_loop() |
Willy Tarreau | 4f60f16 | 2007-04-08 16:39:58 +0200 | [diff] [blame] | 2582 | { |
Willy Tarreau | d80cb4e | 2018-01-20 19:30:13 +0100 | [diff] [blame] | 2583 | int next, exp; |
Willy Tarreau | 4f60f16 | 2007-04-08 16:39:58 +0200 | [diff] [blame] | 2584 | |
Willy Tarreau | b0b37bc | 2008-06-23 14:00:57 +0200 | [diff] [blame] | 2585 | tv_update_date(0,1); |
Willy Tarreau | 4f60f16 | 2007-04-08 16:39:58 +0200 | [diff] [blame] | 2586 | while (1) { |
Thierry FOURNIER | 9cf7c4b | 2014-12-15 13:26:01 +0100 | [diff] [blame] | 2587 | /* Process a few tasks */ |
| 2588 | process_runnable_tasks(); |
| 2589 | |
William Lallemand | 1aab50b | 2018-06-07 09:46:01 +0200 | [diff] [blame] | 2590 | /* check if we caught some signals and process them in the |
| 2591 | first thread */ |
| 2592 | if (tid == 0) |
| 2593 | signal_process_queue(); |
Willy Tarreau | 2985794 | 2009-05-10 09:01:21 +0200 | [diff] [blame] | 2594 | |
Willy Tarreau | 58b458d | 2008-06-29 22:40:23 +0200 | [diff] [blame] | 2595 | /* Check if we can expire some tasks */ |
Thierry FOURNIER | 9cf7c4b | 2014-12-15 13:26:01 +0100 | [diff] [blame] | 2596 | next = wake_expired_tasks(); |
Willy Tarreau | 4f60f16 | 2007-04-08 16:39:58 +0200 | [diff] [blame] | 2597 | |
Willy Tarreau | 85c459d | 2018-08-02 10:54:31 +0200 | [diff] [blame] | 2598 | /* stop when there's nothing left to do */ |
| 2599 | if (jobs == 0) |
| 2600 | break; |
Willy Tarreau | 4f60f16 | 2007-04-08 16:39:58 +0200 | [diff] [blame] | 2601 | |
Willy Tarreau | 10146c9 | 2015-04-13 20:44:19 +0200 | [diff] [blame] | 2602 | /* expire immediately if events are pending */ |
Willy Tarreau | d80cb4e | 2018-01-20 19:30:13 +0100 | [diff] [blame] | 2603 | exp = now_ms; |
Christopher Faulet | 32467fe | 2018-01-15 12:16:34 +0100 | [diff] [blame] | 2604 | if (fd_cache_mask & tid_bit) |
Willy Tarreau | d80cb4e | 2018-01-20 19:30:13 +0100 | [diff] [blame] | 2605 | activity[tid].wake_cache++; |
| 2606 | else if (active_tasks_mask & tid_bit) |
| 2607 | activity[tid].wake_tasks++; |
William Lallemand | 1aab50b | 2018-06-07 09:46:01 +0200 | [diff] [blame] | 2608 | else if (signal_queue_len && tid == 0) |
Willy Tarreau | d80cb4e | 2018-01-20 19:30:13 +0100 | [diff] [blame] | 2609 | activity[tid].wake_signal++; |
Olivier Houchard | 79321b9 | 2018-07-26 17:55:11 +0200 | [diff] [blame] | 2610 | else { |
| 2611 | HA_ATOMIC_OR(&sleeping_thread_mask, tid_bit); |
| 2612 | __ha_barrier_store(); |
| 2613 | if (active_tasks_mask & tid_bit) { |
| 2614 | activity[tid].wake_tasks++; |
| 2615 | HA_ATOMIC_AND(&sleeping_thread_mask, ~tid_bit); |
| 2616 | } else |
| 2617 | exp = next; |
| 2618 | } |
Willy Tarreau | 10146c9 | 2015-04-13 20:44:19 +0200 | [diff] [blame] | 2619 | |
Willy Tarreau | 58b458d | 2008-06-29 22:40:23 +0200 | [diff] [blame] | 2620 | /* The poller will ensure it returns around <next> */ |
Willy Tarreau | d80cb4e | 2018-01-20 19:30:13 +0100 | [diff] [blame] | 2621 | cur_poller.poll(&cur_poller, exp); |
Olivier Houchard | 79321b9 | 2018-07-26 17:55:11 +0200 | [diff] [blame] | 2622 | if (sleeping_thread_mask & tid_bit) |
| 2623 | HA_ATOMIC_AND(&sleeping_thread_mask, ~tid_bit); |
Willy Tarreau | 033cd9d | 2014-01-25 19:24:15 +0100 | [diff] [blame] | 2624 | fd_process_cached_events(); |
Emeric Brun | 64cc49c | 2017-10-03 14:46:45 +0200 | [diff] [blame] | 2625 | |
Willy Tarreau | d80cb4e | 2018-01-20 19:30:13 +0100 | [diff] [blame] | 2626 | activity[tid].loops++; |
Willy Tarreau | 4f60f16 | 2007-04-08 16:39:58 +0200 | [diff] [blame] | 2627 | } |
| 2628 | } |
| 2629 | |
Christopher Faulet | 1d17c10 | 2017-08-29 15:38:48 +0200 | [diff] [blame] | 2630 | static void *run_thread_poll_loop(void *data) |
| 2631 | { |
| 2632 | struct per_thread_init_fct *ptif; |
| 2633 | struct per_thread_deinit_fct *ptdf; |
Christopher Faulet | da18b9d | 2018-01-25 16:10:16 +0100 | [diff] [blame] | 2634 | __decl_hathreads(static HA_SPINLOCK_T start_lock); |
Christopher Faulet | 1d17c10 | 2017-08-29 15:38:48 +0200 | [diff] [blame] | 2635 | |
Willy Tarreau | 0c026f4 | 2018-08-01 19:12:20 +0200 | [diff] [blame] | 2636 | ha_set_tid(*((unsigned int *)data)); |
Christopher Faulet | 1d17c10 | 2017-08-29 15:38:48 +0200 | [diff] [blame] | 2637 | tv_update_date(-1,-1); |
| 2638 | |
| 2639 | list_for_each_entry(ptif, &per_thread_init_list, list) { |
| 2640 | if (!ptif->fct()) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 2641 | ha_alert("failed to initialize thread %u.\n", tid); |
Christopher Faulet | 1d17c10 | 2017-08-29 15:38:48 +0200 | [diff] [blame] | 2642 | exit(1); |
| 2643 | } |
| 2644 | } |
| 2645 | |
William Lallemand | bc19305 | 2018-09-11 10:06:26 +0200 | [diff] [blame] | 2646 | if ((global.mode & MODE_MWORKER) && master == 0) { |
Willy Tarreau | 1605c7a | 2018-01-23 19:01:49 +0100 | [diff] [blame] | 2647 | HA_SPIN_LOCK(START_LOCK, &start_lock); |
| 2648 | mworker_pipe_register(); |
| 2649 | HA_SPIN_UNLOCK(START_LOCK, &start_lock); |
| 2650 | } |
Christopher Faulet | d4604ad | 2017-05-29 10:40:41 +0200 | [diff] [blame] | 2651 | |
| 2652 | protocol_enable_all(); |
Christopher Faulet | 1d17c10 | 2017-08-29 15:38:48 +0200 | [diff] [blame] | 2653 | run_poll_loop(); |
| 2654 | |
| 2655 | list_for_each_entry(ptdf, &per_thread_deinit_list, list) |
| 2656 | ptdf->fct(); |
| 2657 | |
Christopher Faulet | cd7879a | 2017-10-27 13:53:47 +0200 | [diff] [blame] | 2658 | #ifdef USE_THREAD |
William Lallemand | 091d827 | 2018-06-24 09:37:03 +0200 | [diff] [blame] | 2659 | HA_ATOMIC_AND(&all_threads_mask, ~tid_bit); |
Christopher Faulet | cd7879a | 2017-10-27 13:53:47 +0200 | [diff] [blame] | 2660 | if (tid > 0) |
| 2661 | pthread_exit(NULL); |
Christopher Faulet | 1d17c10 | 2017-08-29 15:38:48 +0200 | [diff] [blame] | 2662 | #endif |
Christopher Faulet | cd7879a | 2017-10-27 13:53:47 +0200 | [diff] [blame] | 2663 | return NULL; |
| 2664 | } |
Christopher Faulet | 1d17c10 | 2017-08-29 15:38:48 +0200 | [diff] [blame] | 2665 | |
Willy Tarreau | e9b2602 | 2011-08-01 20:57:55 +0200 | [diff] [blame] | 2666 | /* This is the global management task for listeners. It enables listeners waiting |
| 2667 | * for global resources when there are enough free resource, or at least once in |
| 2668 | * a while. It is designed to be called as a task. |
| 2669 | */ |
Olivier Houchard | 9f6af33 | 2018-05-25 14:04:04 +0200 | [diff] [blame] | 2670 | static struct task *manage_global_listener_queue(struct task *t, void *context, unsigned short state) |
Willy Tarreau | e9b2602 | 2011-08-01 20:57:55 +0200 | [diff] [blame] | 2671 | { |
| 2672 | int next = TICK_ETERNITY; |
Willy Tarreau | e9b2602 | 2011-08-01 20:57:55 +0200 | [diff] [blame] | 2673 | /* queue is empty, nothing to do */ |
| 2674 | if (LIST_ISEMPTY(&global_listener_queue)) |
| 2675 | goto out; |
| 2676 | |
| 2677 | /* If there are still too many concurrent connections, let's wait for |
| 2678 | * some of them to go away. We don't need to re-arm the timer because |
| 2679 | * each of them will scan the queue anyway. |
| 2680 | */ |
| 2681 | if (unlikely(actconn >= global.maxconn)) |
| 2682 | goto out; |
| 2683 | |
| 2684 | /* We should periodically try to enable listeners waiting for a global |
| 2685 | * resource here, because it is possible, though very unlikely, that |
| 2686 | * they have been blocked by a temporary lack of global resource such |
| 2687 | * as a file descriptor or memory and that the temporary condition has |
| 2688 | * disappeared. |
| 2689 | */ |
Willy Tarreau | abacc2c | 2011-09-07 14:26:33 +0200 | [diff] [blame] | 2690 | dequeue_all_listeners(&global_listener_queue); |
Willy Tarreau | e9b2602 | 2011-08-01 20:57:55 +0200 | [diff] [blame] | 2691 | |
| 2692 | out: |
| 2693 | t->expire = next; |
| 2694 | task_queue(t); |
| 2695 | return t; |
| 2696 | } |
Willy Tarreau | 4f60f16 | 2007-04-08 16:39:58 +0200 | [diff] [blame] | 2697 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2698 | int main(int argc, char **argv) |
| 2699 | { |
| 2700 | int err, retry; |
| 2701 | struct rlimit limit; |
Emeric Brun | cf20bf1 | 2010-10-22 16:06:11 +0200 | [diff] [blame] | 2702 | char errmsg[100]; |
Willy Tarreau | 269ab31 | 2012-09-05 08:02:48 +0200 | [diff] [blame] | 2703 | int pidfd = -1; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2704 | |
Olivier Houchard | 5fa300d | 2018-02-03 15:15:21 +0100 | [diff] [blame] | 2705 | setvbuf(stdout, NULL, _IONBF, 0); |
Emeric Brun | cf20bf1 | 2010-10-22 16:06:11 +0200 | [diff] [blame] | 2706 | init(argc, argv); |
Willy Tarreau | 24f4efa | 2010-08-27 17:56:48 +0200 | [diff] [blame] | 2707 | signal_register_fct(SIGQUIT, dump, SIGQUIT); |
| 2708 | signal_register_fct(SIGUSR1, sig_soft_stop, SIGUSR1); |
| 2709 | signal_register_fct(SIGHUP, sig_dump_state, SIGHUP); |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 2710 | signal_register_fct(SIGUSR2, NULL, 0); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2711 | |
Willy Tarreau | e437c44 | 2010-03-17 18:02:46 +0100 | [diff] [blame] | 2712 | /* Always catch SIGPIPE even on platforms which define MSG_NOSIGNAL. |
| 2713 | * Some recent FreeBSD setups report broken pipes, and MSG_NOSIGNAL |
| 2714 | * was defined there, so let's stay on the safe side. |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2715 | */ |
Willy Tarreau | 24f4efa | 2010-08-27 17:56:48 +0200 | [diff] [blame] | 2716 | signal_register_fct(SIGPIPE, NULL, 0); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2717 | |
Willy Tarreau | dc23a92 | 2011-02-16 11:10:36 +0100 | [diff] [blame] | 2718 | /* ulimits */ |
| 2719 | if (!global.rlimit_nofile) |
| 2720 | global.rlimit_nofile = global.maxsock; |
| 2721 | |
| 2722 | if (global.rlimit_nofile) { |
| 2723 | limit.rlim_cur = limit.rlim_max = global.rlimit_nofile; |
| 2724 | if (setrlimit(RLIMIT_NOFILE, &limit) == -1) { |
Willy Tarreau | ef63547 | 2016-06-21 11:48:18 +0200 | [diff] [blame] | 2725 | /* try to set it to the max possible at least */ |
| 2726 | getrlimit(RLIMIT_NOFILE, &limit); |
Willy Tarreau | 164dd0b | 2016-06-21 11:51:59 +0200 | [diff] [blame] | 2727 | limit.rlim_cur = limit.rlim_max; |
| 2728 | if (setrlimit(RLIMIT_NOFILE, &limit) != -1) |
| 2729 | getrlimit(RLIMIT_NOFILE, &limit); |
| 2730 | |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 2731 | ha_warning("[%s.main()] Cannot raise FD limit to %d, limit is %d.\n", argv[0], global.rlimit_nofile, (int)limit.rlim_cur); |
Willy Tarreau | ef63547 | 2016-06-21 11:48:18 +0200 | [diff] [blame] | 2732 | global.rlimit_nofile = limit.rlim_cur; |
Willy Tarreau | dc23a92 | 2011-02-16 11:10:36 +0100 | [diff] [blame] | 2733 | } |
| 2734 | } |
| 2735 | |
| 2736 | if (global.rlimit_memmax) { |
| 2737 | limit.rlim_cur = limit.rlim_max = |
Willy Tarreau | 7006045 | 2015-12-14 12:46:07 +0100 | [diff] [blame] | 2738 | global.rlimit_memmax * 1048576ULL; |
Willy Tarreau | dc23a92 | 2011-02-16 11:10:36 +0100 | [diff] [blame] | 2739 | #ifdef RLIMIT_AS |
| 2740 | if (setrlimit(RLIMIT_AS, &limit) == -1) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 2741 | ha_warning("[%s.main()] Cannot fix MEM limit to %d megs.\n", |
| 2742 | argv[0], global.rlimit_memmax); |
Willy Tarreau | dc23a92 | 2011-02-16 11:10:36 +0100 | [diff] [blame] | 2743 | } |
| 2744 | #else |
| 2745 | if (setrlimit(RLIMIT_DATA, &limit) == -1) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 2746 | ha_warning("[%s.main()] Cannot fix MEM limit to %d megs.\n", |
| 2747 | argv[0], global.rlimit_memmax); |
Willy Tarreau | dc23a92 | 2011-02-16 11:10:36 +0100 | [diff] [blame] | 2748 | } |
| 2749 | #endif |
| 2750 | } |
| 2751 | |
Olivier Houchard | f73629d | 2017-04-05 22:33:04 +0200 | [diff] [blame] | 2752 | if (old_unixsocket) { |
William Lallemand | 85b0bd9 | 2017-06-01 17:38:53 +0200 | [diff] [blame] | 2753 | if (strcmp("/dev/null", old_unixsocket) != 0) { |
| 2754 | if (get_old_sockets(old_unixsocket) != 0) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 2755 | ha_alert("Failed to get the sockets from the old process!\n"); |
William Lallemand | 85b0bd9 | 2017-06-01 17:38:53 +0200 | [diff] [blame] | 2756 | if (!(global.mode & MODE_MWORKER)) |
| 2757 | exit(1); |
| 2758 | } |
Olivier Houchard | f73629d | 2017-04-05 22:33:04 +0200 | [diff] [blame] | 2759 | } |
| 2760 | } |
William Lallemand | 85b0bd9 | 2017-06-01 17:38:53 +0200 | [diff] [blame] | 2761 | get_cur_unixsocket(); |
| 2762 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2763 | /* We will loop at most 100 times with 10 ms delay each time. |
| 2764 | * That's at most 1 second. We only send a signal to old pids |
| 2765 | * if we cannot grab at least one port. |
| 2766 | */ |
| 2767 | retry = MAX_START_RETRIES; |
| 2768 | err = ERR_NONE; |
| 2769 | while (retry >= 0) { |
| 2770 | struct timeval w; |
| 2771 | err = start_proxies(retry == 0 || nb_oldpids == 0); |
Willy Tarreau | e13e925 | 2007-12-20 23:05:50 +0100 | [diff] [blame] | 2772 | /* exit the loop on no error or fatal error */ |
| 2773 | if ((err & (ERR_RETRYABLE|ERR_FATAL)) != ERR_RETRYABLE) |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2774 | break; |
Willy Tarreau | bb545b4 | 2010-08-25 12:58:59 +0200 | [diff] [blame] | 2775 | if (nb_oldpids == 0 || retry == 0) |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2776 | break; |
| 2777 | |
| 2778 | /* FIXME-20060514: Solaris and OpenBSD do not support shutdown() on |
| 2779 | * listening sockets. So on those platforms, it would be wiser to |
| 2780 | * simply send SIGUSR1, which will not be undoable. |
| 2781 | */ |
Willy Tarreau | bb545b4 | 2010-08-25 12:58:59 +0200 | [diff] [blame] | 2782 | if (tell_old_pids(SIGTTOU) == 0) { |
| 2783 | /* no need to wait if we can't contact old pids */ |
| 2784 | retry = 0; |
| 2785 | continue; |
| 2786 | } |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2787 | /* give some time to old processes to stop listening */ |
| 2788 | w.tv_sec = 0; |
| 2789 | w.tv_usec = 10*1000; |
| 2790 | select(0, NULL, NULL, NULL, &w); |
| 2791 | retry--; |
| 2792 | } |
| 2793 | |
| 2794 | /* Note: start_proxies() sends an alert when it fails. */ |
Willy Tarreau | 0a3b9d9 | 2009-02-04 17:05:23 +0100 | [diff] [blame] | 2795 | if ((err & ~ERR_WARN) != ERR_NONE) { |
Willy Tarreau | f68da46 | 2009-06-09 14:36:00 +0200 | [diff] [blame] | 2796 | if (retry != MAX_START_RETRIES && nb_oldpids) { |
| 2797 | protocol_unbind_all(); /* cleanup everything we can */ |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2798 | tell_old_pids(SIGTTIN); |
Willy Tarreau | f68da46 | 2009-06-09 14:36:00 +0200 | [diff] [blame] | 2799 | } |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2800 | exit(1); |
| 2801 | } |
| 2802 | |
| 2803 | if (listeners == 0) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 2804 | ha_alert("[%s.main()] No enabled listener found (check for 'bind' directives) ! Exiting.\n", argv[0]); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2805 | /* Note: we don't have to send anything to the old pids because we |
| 2806 | * never stopped them. */ |
| 2807 | exit(1); |
| 2808 | } |
| 2809 | |
Emeric Brun | cf20bf1 | 2010-10-22 16:06:11 +0200 | [diff] [blame] | 2810 | err = protocol_bind_all(errmsg, sizeof(errmsg)); |
| 2811 | if ((err & ~ERR_WARN) != ERR_NONE) { |
| 2812 | if ((err & ERR_ALERT) || (err & ERR_WARN)) |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 2813 | ha_alert("[%s.main()] %s.\n", argv[0], errmsg); |
Emeric Brun | cf20bf1 | 2010-10-22 16:06:11 +0200 | [diff] [blame] | 2814 | |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 2815 | ha_alert("[%s.main()] Some protocols failed to start their listeners! Exiting.\n", argv[0]); |
Willy Tarreau | dd81598 | 2007-10-16 12:25:14 +0200 | [diff] [blame] | 2816 | protocol_unbind_all(); /* cleanup everything we can */ |
| 2817 | if (nb_oldpids) |
| 2818 | tell_old_pids(SIGTTIN); |
| 2819 | exit(1); |
Emeric Brun | cf20bf1 | 2010-10-22 16:06:11 +0200 | [diff] [blame] | 2820 | } else if (err & ERR_WARN) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 2821 | ha_alert("[%s.main()] %s.\n", argv[0], errmsg); |
Willy Tarreau | dd81598 | 2007-10-16 12:25:14 +0200 | [diff] [blame] | 2822 | } |
Olivier Houchard | f73629d | 2017-04-05 22:33:04 +0200 | [diff] [blame] | 2823 | /* Ok, all listener should now be bound, close any leftover sockets |
| 2824 | * the previous process gave us, we don't need them anymore |
| 2825 | */ |
| 2826 | while (xfer_sock_list != NULL) { |
| 2827 | struct xfer_sock_list *tmpxfer = xfer_sock_list->next; |
| 2828 | close(xfer_sock_list->fd); |
| 2829 | free(xfer_sock_list->iface); |
| 2830 | free(xfer_sock_list->namespace); |
| 2831 | free(xfer_sock_list); |
| 2832 | xfer_sock_list = tmpxfer; |
| 2833 | } |
Willy Tarreau | dd81598 | 2007-10-16 12:25:14 +0200 | [diff] [blame] | 2834 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2835 | /* prepare pause/play signals */ |
Willy Tarreau | 24f4efa | 2010-08-27 17:56:48 +0200 | [diff] [blame] | 2836 | signal_register_fct(SIGTTOU, sig_pause, SIGTTOU); |
| 2837 | signal_register_fct(SIGTTIN, sig_listen, SIGTTIN); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2838 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2839 | /* MODE_QUIET can inhibit alerts and warnings below this line */ |
| 2840 | |
PiBa-NL | 149a81a | 2017-12-25 21:03:31 +0100 | [diff] [blame] | 2841 | if (getenv("HAPROXY_MWORKER_REEXEC") != NULL) { |
| 2842 | /* either stdin/out/err are already closed or should stay as they are. */ |
| 2843 | if ((global.mode & MODE_DAEMON)) { |
| 2844 | /* daemon mode re-executing, stdin/stdout/stderr are already closed so keep quiet */ |
| 2845 | global.mode &= ~MODE_VERBOSE; |
| 2846 | global.mode |= MODE_QUIET; /* ensure that we won't say anything from now */ |
| 2847 | } |
| 2848 | } else { |
| 2849 | if ((global.mode & MODE_QUIET) && !(global.mode & MODE_VERBOSE)) { |
| 2850 | /* detach from the tty */ |
William Lallemand | e134041 | 2017-12-28 16:09:36 +0100 | [diff] [blame] | 2851 | stdio_quiet(-1); |
PiBa-NL | 149a81a | 2017-12-25 21:03:31 +0100 | [diff] [blame] | 2852 | } |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2853 | } |
| 2854 | |
| 2855 | /* open log & pid files before the chroot */ |
William Lallemand | 8029300 | 2017-11-06 11:00:03 +0100 | [diff] [blame] | 2856 | if ((global.mode & MODE_DAEMON || global.mode & MODE_MWORKER) && global.pidfile != NULL) { |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2857 | unlink(global.pidfile); |
| 2858 | pidfd = open(global.pidfile, O_CREAT | O_WRONLY | O_TRUNC, 0644); |
| 2859 | if (pidfd < 0) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 2860 | ha_alert("[%s.main()] Cannot create pidfile %s\n", argv[0], global.pidfile); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2861 | if (nb_oldpids) |
| 2862 | tell_old_pids(SIGTTIN); |
Willy Tarreau | dd81598 | 2007-10-16 12:25:14 +0200 | [diff] [blame] | 2863 | protocol_unbind_all(); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2864 | exit(1); |
| 2865 | } |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2866 | } |
| 2867 | |
Willy Tarreau | b38651a | 2007-03-24 17:24:39 +0100 | [diff] [blame] | 2868 | if ((global.last_checks & LSTCHK_NETADM) && global.uid) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 2869 | ha_alert("[%s.main()] Some configuration options require full privileges, so global.uid cannot be changed.\n" |
| 2870 | "", argv[0]); |
Willy Tarreau | dd81598 | 2007-10-16 12:25:14 +0200 | [diff] [blame] | 2871 | protocol_unbind_all(); |
Willy Tarreau | b38651a | 2007-03-24 17:24:39 +0100 | [diff] [blame] | 2872 | exit(1); |
| 2873 | } |
| 2874 | |
Willy Tarreau | 4e30ed7 | 2009-02-04 18:02:48 +0100 | [diff] [blame] | 2875 | /* If the user is not root, we'll still let him try the configuration |
| 2876 | * but we inform him that unexpected behaviour may occur. |
| 2877 | */ |
| 2878 | if ((global.last_checks & LSTCHK_NETADM) && getuid()) |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 2879 | ha_warning("[%s.main()] Some options which require full privileges" |
| 2880 | " might not work well.\n" |
| 2881 | "", argv[0]); |
Willy Tarreau | 4e30ed7 | 2009-02-04 18:02:48 +0100 | [diff] [blame] | 2882 | |
William Lallemand | 095ba4c | 2017-06-01 17:38:50 +0200 | [diff] [blame] | 2883 | if ((global.mode & (MODE_MWORKER|MODE_DAEMON)) == 0) { |
| 2884 | |
| 2885 | /* chroot if needed */ |
| 2886 | if (global.chroot != NULL) { |
| 2887 | if (chroot(global.chroot) == -1 || chdir("/") == -1) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 2888 | ha_alert("[%s.main()] Cannot chroot(%s).\n", argv[0], global.chroot); |
William Lallemand | 095ba4c | 2017-06-01 17:38:50 +0200 | [diff] [blame] | 2889 | if (nb_oldpids) |
| 2890 | tell_old_pids(SIGTTIN); |
| 2891 | protocol_unbind_all(); |
| 2892 | exit(1); |
| 2893 | } |
Willy Tarreau | f223cc0 | 2007-10-15 18:57:08 +0200 | [diff] [blame] | 2894 | } |
Willy Tarreau | f223cc0 | 2007-10-15 18:57:08 +0200 | [diff] [blame] | 2895 | } |
| 2896 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2897 | if (nb_oldpids) |
Willy Tarreau | bb545b4 | 2010-08-25 12:58:59 +0200 | [diff] [blame] | 2898 | nb_oldpids = tell_old_pids(oldpids_sig); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2899 | |
William Lallemand | 8a361b5 | 2017-06-20 11:20:33 +0200 | [diff] [blame] | 2900 | if ((getenv("HAPROXY_MWORKER_REEXEC") == NULL)) { |
| 2901 | nb_oldpids = 0; |
| 2902 | free(oldpids); |
| 2903 | oldpids = NULL; |
| 2904 | } |
| 2905 | |
| 2906 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2907 | /* Note that any error at this stage will be fatal because we will not |
| 2908 | * be able to restart the old pids. |
| 2909 | */ |
| 2910 | |
William Lallemand | 095ba4c | 2017-06-01 17:38:50 +0200 | [diff] [blame] | 2911 | if ((global.mode & (MODE_MWORKER|MODE_DAEMON)) == 0) { |
| 2912 | /* setgid / setuid */ |
| 2913 | if (global.gid) { |
| 2914 | if (getgroups(0, NULL) > 0 && setgroups(0, NULL) == -1) |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 2915 | ha_warning("[%s.main()] Failed to drop supplementary groups. Using 'gid'/'group'" |
| 2916 | " without 'uid'/'user' is generally useless.\n", argv[0]); |
William Lallemand | 095ba4c | 2017-06-01 17:38:50 +0200 | [diff] [blame] | 2917 | |
| 2918 | if (setgid(global.gid) == -1) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 2919 | ha_alert("[%s.main()] Cannot set gid %d.\n", argv[0], global.gid); |
William Lallemand | 095ba4c | 2017-06-01 17:38:50 +0200 | [diff] [blame] | 2920 | protocol_unbind_all(); |
| 2921 | exit(1); |
| 2922 | } |
| 2923 | } |
Michael Scherer | ab012dd | 2013-01-12 18:35:19 +0100 | [diff] [blame] | 2924 | |
William Lallemand | 095ba4c | 2017-06-01 17:38:50 +0200 | [diff] [blame] | 2925 | if (global.uid && setuid(global.uid) == -1) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 2926 | ha_alert("[%s.main()] Cannot set uid %d.\n", argv[0], global.uid); |
Michael Scherer | ab012dd | 2013-01-12 18:35:19 +0100 | [diff] [blame] | 2927 | protocol_unbind_all(); |
| 2928 | exit(1); |
| 2929 | } |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2930 | } |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2931 | /* check ulimits */ |
| 2932 | limit.rlim_cur = limit.rlim_max = 0; |
| 2933 | getrlimit(RLIMIT_NOFILE, &limit); |
| 2934 | if (limit.rlim_cur < global.maxsock) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 2935 | ha_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", |
| 2936 | argv[0], (int)limit.rlim_cur, global.maxconn, global.maxsock, global.maxsock); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2937 | } |
| 2938 | |
William Lallemand | 095ba4c | 2017-06-01 17:38:50 +0200 | [diff] [blame] | 2939 | if (global.mode & (MODE_DAEMON | MODE_MWORKER)) { |
Willy Tarreau | 0b9c02c | 2009-02-04 22:05:05 +0100 | [diff] [blame] | 2940 | struct proxy *px; |
Willy Tarreau | f83d3fe | 2015-05-01 19:13:41 +0200 | [diff] [blame] | 2941 | struct peers *curpeers; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2942 | int ret = 0; |
| 2943 | int proc; |
William Lallemand | e134041 | 2017-12-28 16:09:36 +0100 | [diff] [blame] | 2944 | int devnullfd = -1; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2945 | |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 2946 | children = calloc(global.nbproc, sizeof(int)); |
William Lallemand | 095ba4c | 2017-06-01 17:38:50 +0200 | [diff] [blame] | 2947 | /* |
| 2948 | * if daemon + mworker: must fork here to let a master |
| 2949 | * process live in background before forking children |
| 2950 | */ |
William Lallemand | 73b85e7 | 2017-06-01 17:38:51 +0200 | [diff] [blame] | 2951 | |
| 2952 | if ((getenv("HAPROXY_MWORKER_REEXEC") == NULL) |
| 2953 | && (global.mode & MODE_MWORKER) |
| 2954 | && (global.mode & MODE_DAEMON)) { |
William Lallemand | 095ba4c | 2017-06-01 17:38:50 +0200 | [diff] [blame] | 2955 | ret = fork(); |
| 2956 | if (ret < 0) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 2957 | ha_alert("[%s.main()] Cannot fork.\n", argv[0]); |
William Lallemand | 095ba4c | 2017-06-01 17:38:50 +0200 | [diff] [blame] | 2958 | protocol_unbind_all(); |
| 2959 | exit(1); /* there has been an error */ |
William Lallemand | bfd8eb5 | 2018-07-04 15:31:23 +0200 | [diff] [blame] | 2960 | } else if (ret > 0) { /* parent leave to daemonize */ |
William Lallemand | 095ba4c | 2017-06-01 17:38:50 +0200 | [diff] [blame] | 2961 | exit(0); |
William Lallemand | bfd8eb5 | 2018-07-04 15:31:23 +0200 | [diff] [blame] | 2962 | } else /* change the process group ID in the child (master process) */ |
| 2963 | setsid(); |
William Lallemand | 095ba4c | 2017-06-01 17:38:50 +0200 | [diff] [blame] | 2964 | } |
William Lallemand | e20b6a6 | 2017-06-01 17:38:55 +0200 | [diff] [blame] | 2965 | |
William Lallemand | e20b6a6 | 2017-06-01 17:38:55 +0200 | [diff] [blame] | 2966 | |
William Lallemand | deed780 | 2017-11-06 11:00:04 +0100 | [diff] [blame] | 2967 | /* if in master-worker mode, write the PID of the father */ |
| 2968 | if (global.mode & MODE_MWORKER) { |
| 2969 | char pidstr[100]; |
| 2970 | snprintf(pidstr, sizeof(pidstr), "%d\n", getpid()); |
Willy Tarreau | 46ec48b | 2018-01-23 19:20:19 +0100 | [diff] [blame] | 2971 | if (pidfd >= 0) |
| 2972 | shut_your_big_mouth_gcc(write(pidfd, pidstr, strlen(pidstr))); |
William Lallemand | deed780 | 2017-11-06 11:00:04 +0100 | [diff] [blame] | 2973 | } |
| 2974 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2975 | /* the father launches the required number of processes */ |
| 2976 | for (proc = 0; proc < global.nbproc; proc++) { |
| 2977 | ret = fork(); |
| 2978 | if (ret < 0) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 2979 | ha_alert("[%s.main()] Cannot fork.\n", argv[0]); |
Willy Tarreau | dd81598 | 2007-10-16 12:25:14 +0200 | [diff] [blame] | 2980 | protocol_unbind_all(); |
Willy Tarreau | d680371 | 2007-10-16 07:44:56 +0200 | [diff] [blame] | 2981 | exit(1); /* there has been an error */ |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2982 | } |
| 2983 | else if (ret == 0) /* child breaks here */ |
| 2984 | break; |
Marc-Antoine Perennou | 992709b | 2013-02-12 10:53:52 +0100 | [diff] [blame] | 2985 | children[proc] = ret; |
William Lallemand | 92159b2 | 2017-11-06 11:16:12 +0100 | [diff] [blame] | 2986 | if (pidfd >= 0 && !(global.mode & MODE_MWORKER)) { |
Willy Tarreau | 269ab31 | 2012-09-05 08:02:48 +0200 | [diff] [blame] | 2987 | char pidstr[100]; |
| 2988 | snprintf(pidstr, sizeof(pidstr), "%d\n", ret); |
Willy Tarreau | 89efaed | 2013-12-13 15:14:55 +0100 | [diff] [blame] | 2989 | shut_your_big_mouth_gcc(write(pidfd, pidstr, strlen(pidstr))); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 2990 | } |
William Lallemand | bc19305 | 2018-09-11 10:06:26 +0200 | [diff] [blame] | 2991 | if (global.mode & MODE_MWORKER) { |
William Lallemand | ce83b4a | 2018-10-26 14:47:30 +0200 | [diff] [blame] | 2992 | struct mworker_proc *child; |
| 2993 | |
| 2994 | /* find the right mworker_proc */ |
| 2995 | list_for_each_entry(child, &proc_list, list) { |
| 2996 | if (child->relative_pid == relative_pid && |
| 2997 | child->reloads == 0) { |
| 2998 | child->pid = ret; |
| 2999 | break; |
| 3000 | } |
| 3001 | } |
William Lallemand | bc19305 | 2018-09-11 10:06:26 +0200 | [diff] [blame] | 3002 | } |
| 3003 | |
Willy Tarreau | dcd4771 | 2007-11-04 23:35:08 +0100 | [diff] [blame] | 3004 | relative_pid++; /* each child will get a different one */ |
Willy Tarreau | 387bd4f | 2017-11-10 19:08:14 +0100 | [diff] [blame] | 3005 | pid_bit <<= 1; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 3006 | } |
Willy Tarreau | fc6c032 | 2012-11-16 16:12:27 +0100 | [diff] [blame] | 3007 | |
| 3008 | #ifdef USE_CPU_AFFINITY |
| 3009 | if (proc < global.nbproc && /* child */ |
Willy Tarreau | e759749 | 2015-04-20 11:36:57 +0200 | [diff] [blame] | 3010 | proc < LONGBITS && /* only the first 32/64 processes may be pinned */ |
Christopher Faulet | cb6a945 | 2017-11-22 16:50:41 +0100 | [diff] [blame] | 3011 | global.cpu_map.proc[proc]) /* only do this if the process has a CPU map */ |
Pieter Baauw | caa6a1b | 2015-09-17 21:26:40 +0200 | [diff] [blame] | 3012 | #ifdef __FreeBSD__ |
Olivier Houchard | 97148f6 | 2017-08-16 17:29:11 +0200 | [diff] [blame] | 3013 | { |
| 3014 | cpuset_t cpuset; |
| 3015 | int i; |
Christopher Faulet | cb6a945 | 2017-11-22 16:50:41 +0100 | [diff] [blame] | 3016 | unsigned long cpu_map = global.cpu_map.proc[proc]; |
Olivier Houchard | 97148f6 | 2017-08-16 17:29:11 +0200 | [diff] [blame] | 3017 | |
| 3018 | CPU_ZERO(&cpuset); |
| 3019 | while ((i = ffsl(cpu_map)) > 0) { |
| 3020 | CPU_SET(i - 1, &cpuset); |
Cyril Bonté | d400ab3 | 2018-03-12 21:47:39 +0100 | [diff] [blame] | 3021 | cpu_map &= ~(1UL << (i - 1)); |
Olivier Houchard | 97148f6 | 2017-08-16 17:29:11 +0200 | [diff] [blame] | 3022 | } |
| 3023 | ret = cpuset_setaffinity(CPU_LEVEL_WHICH, CPU_WHICH_PID, -1, sizeof(cpuset), &cpuset); |
| 3024 | } |
Pieter Baauw | caa6a1b | 2015-09-17 21:26:40 +0200 | [diff] [blame] | 3025 | #else |
Christopher Faulet | cb6a945 | 2017-11-22 16:50:41 +0100 | [diff] [blame] | 3026 | sched_setaffinity(0, sizeof(unsigned long), (void *)&global.cpu_map.proc[proc]); |
Willy Tarreau | fc6c032 | 2012-11-16 16:12:27 +0100 | [diff] [blame] | 3027 | #endif |
Pieter Baauw | caa6a1b | 2015-09-17 21:26:40 +0200 | [diff] [blame] | 3028 | #endif |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 3029 | /* close the pidfile both in children and father */ |
Willy Tarreau | 269ab31 | 2012-09-05 08:02:48 +0200 | [diff] [blame] | 3030 | if (pidfd >= 0) { |
| 3031 | //lseek(pidfd, 0, SEEK_SET); /* debug: emulate eglibc bug */ |
| 3032 | close(pidfd); |
| 3033 | } |
Willy Tarreau | d137dd3 | 2010-08-25 12:49:05 +0200 | [diff] [blame] | 3034 | |
| 3035 | /* We won't ever use this anymore */ |
Willy Tarreau | d137dd3 | 2010-08-25 12:49:05 +0200 | [diff] [blame] | 3036 | free(global.pidfile); global.pidfile = NULL; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 3037 | |
Willy Tarreau | edaff0a | 2015-05-01 17:01:08 +0200 | [diff] [blame] | 3038 | if (proc == global.nbproc) { |
William Lallemand | 095ba4c | 2017-06-01 17:38:50 +0200 | [diff] [blame] | 3039 | if (global.mode & MODE_MWORKER) { |
PiBa-NL | baf6ea4 | 2017-11-28 23:26:08 +0100 | [diff] [blame] | 3040 | |
| 3041 | if ((!(global.mode & MODE_QUIET) || (global.mode & MODE_VERBOSE)) && |
| 3042 | (global.mode & MODE_DAEMON)) { |
| 3043 | /* detach from the tty, this is required to properly daemonize. */ |
William Lallemand | e134041 | 2017-12-28 16:09:36 +0100 | [diff] [blame] | 3044 | if ((getenv("HAPROXY_MWORKER_REEXEC") == NULL)) |
| 3045 | stdio_quiet(-1); |
| 3046 | |
PiBa-NL | baf6ea4 | 2017-11-28 23:26:08 +0100 | [diff] [blame] | 3047 | global.mode &= ~MODE_VERBOSE; |
| 3048 | global.mode |= MODE_QUIET; /* ensure that we won't say anything from now */ |
PiBa-NL | baf6ea4 | 2017-11-28 23:26:08 +0100 | [diff] [blame] | 3049 | } |
| 3050 | |
William Lallemand | b3f2be3 | 2018-09-11 10:06:18 +0200 | [diff] [blame] | 3051 | mworker_loop(); |
William Lallemand | 1499b9b | 2017-06-07 15:04:47 +0200 | [diff] [blame] | 3052 | /* should never get there */ |
| 3053 | exit(EXIT_FAILURE); |
Willy Tarreau | edaff0a | 2015-05-01 17:01:08 +0200 | [diff] [blame] | 3054 | } |
William Lallemand | cf4e496 | 2017-06-08 19:05:48 +0200 | [diff] [blame] | 3055 | #if defined(USE_OPENSSL) && !defined(OPENSSL_NO_DH) |
Grant Zhang | 872f9c2 | 2017-01-21 01:10:18 +0000 | [diff] [blame] | 3056 | ssl_free_dh(); |
| 3057 | #endif |
William Lallemand | 1499b9b | 2017-06-07 15:04:47 +0200 | [diff] [blame] | 3058 | exit(0); /* parent must leave */ |
Willy Tarreau | edaff0a | 2015-05-01 17:01:08 +0200 | [diff] [blame] | 3059 | } |
| 3060 | |
William Lallemand | cb11fd2 | 2017-06-01 17:38:52 +0200 | [diff] [blame] | 3061 | /* child must never use the atexit function */ |
| 3062 | atexit_flag = 0; |
| 3063 | |
William Lallemand | bc19305 | 2018-09-11 10:06:26 +0200 | [diff] [blame] | 3064 | /* close useless master sockets */ |
| 3065 | if (global.mode & MODE_MWORKER) { |
| 3066 | struct mworker_proc *child, *it; |
| 3067 | master = 0; |
| 3068 | |
William Lallemand | 309dc9a | 2018-10-26 14:47:45 +0200 | [diff] [blame] | 3069 | mworker_cli_proxy_stop(); |
| 3070 | |
William Lallemand | bc19305 | 2018-09-11 10:06:26 +0200 | [diff] [blame] | 3071 | /* free proc struct of other processes */ |
| 3072 | list_for_each_entry_safe(child, it, &proc_list, list) { |
William Lallemand | ce83b4a | 2018-10-26 14:47:30 +0200 | [diff] [blame] | 3073 | /* close the FD of the master side for all |
| 3074 | * workers, we don't need to close the worker |
| 3075 | * side of other workers since it's done with |
| 3076 | * the bind_proc */ |
| 3077 | close(child->ipc_fd[0]); |
| 3078 | if (child->relative_pid == relative_pid && |
| 3079 | child->reloads == 0) { |
| 3080 | /* keep this struct if this is our pid */ |
| 3081 | proc_self = child; |
William Lallemand | bc19305 | 2018-09-11 10:06:26 +0200 | [diff] [blame] | 3082 | continue; |
William Lallemand | ce83b4a | 2018-10-26 14:47:30 +0200 | [diff] [blame] | 3083 | } |
William Lallemand | bc19305 | 2018-09-11 10:06:26 +0200 | [diff] [blame] | 3084 | LIST_DEL(&child->list); |
| 3085 | free(child); |
| 3086 | } |
| 3087 | } |
Willy Tarreau | 1605c7a | 2018-01-23 19:01:49 +0100 | [diff] [blame] | 3088 | |
William Lallemand | e134041 | 2017-12-28 16:09:36 +0100 | [diff] [blame] | 3089 | if (!(global.mode & MODE_QUIET) || (global.mode & MODE_VERBOSE)) { |
| 3090 | devnullfd = open("/dev/null", O_RDWR, 0); |
| 3091 | if (devnullfd < 0) { |
| 3092 | ha_alert("Cannot open /dev/null\n"); |
| 3093 | exit(EXIT_FAILURE); |
| 3094 | } |
| 3095 | } |
| 3096 | |
William Lallemand | 095ba4c | 2017-06-01 17:38:50 +0200 | [diff] [blame] | 3097 | /* Must chroot and setgid/setuid in the children */ |
| 3098 | /* chroot if needed */ |
| 3099 | if (global.chroot != NULL) { |
| 3100 | if (chroot(global.chroot) == -1 || chdir("/") == -1) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 3101 | ha_alert("[%s.main()] Cannot chroot1(%s).\n", argv[0], global.chroot); |
William Lallemand | 095ba4c | 2017-06-01 17:38:50 +0200 | [diff] [blame] | 3102 | if (nb_oldpids) |
| 3103 | tell_old_pids(SIGTTIN); |
| 3104 | protocol_unbind_all(); |
| 3105 | exit(1); |
| 3106 | } |
| 3107 | } |
| 3108 | |
| 3109 | free(global.chroot); |
| 3110 | global.chroot = NULL; |
| 3111 | |
| 3112 | /* setgid / setuid */ |
| 3113 | if (global.gid) { |
| 3114 | if (getgroups(0, NULL) > 0 && setgroups(0, NULL) == -1) |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 3115 | ha_warning("[%s.main()] Failed to drop supplementary groups. Using 'gid'/'group'" |
| 3116 | " without 'uid'/'user' is generally useless.\n", argv[0]); |
William Lallemand | 095ba4c | 2017-06-01 17:38:50 +0200 | [diff] [blame] | 3117 | |
| 3118 | if (setgid(global.gid) == -1) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 3119 | ha_alert("[%s.main()] Cannot set gid %d.\n", argv[0], global.gid); |
William Lallemand | 095ba4c | 2017-06-01 17:38:50 +0200 | [diff] [blame] | 3120 | protocol_unbind_all(); |
| 3121 | exit(1); |
| 3122 | } |
| 3123 | } |
| 3124 | |
| 3125 | if (global.uid && setuid(global.uid) == -1) { |
Christopher Faulet | 767a84b | 2017-11-24 16:50:31 +0100 | [diff] [blame] | 3126 | ha_alert("[%s.main()] Cannot set uid %d.\n", argv[0], global.uid); |
William Lallemand | 095ba4c | 2017-06-01 17:38:50 +0200 | [diff] [blame] | 3127 | protocol_unbind_all(); |
| 3128 | exit(1); |
| 3129 | } |
| 3130 | |
William Lallemand | 7f80eb2 | 2017-05-26 18:19:55 +0200 | [diff] [blame] | 3131 | /* pass through every cli socket, and check if it's bound to |
| 3132 | * the current process and if it exposes listeners sockets. |
| 3133 | * Caution: the GTUNE_SOCKET_TRANSFER is now set after the fork. |
| 3134 | * */ |
| 3135 | |
| 3136 | if (global.stats_fe) { |
| 3137 | struct bind_conf *bind_conf; |
| 3138 | |
| 3139 | list_for_each_entry(bind_conf, &global.stats_fe->conf.bind, by_fe) { |
| 3140 | if (bind_conf->level & ACCESS_FD_LISTENERS) { |
| 3141 | if (!bind_conf->bind_proc || bind_conf->bind_proc & (1UL << proc)) { |
| 3142 | global.tune.options |= GTUNE_SOCKET_TRANSFER; |
| 3143 | break; |
| 3144 | } |
| 3145 | } |
| 3146 | } |
| 3147 | } |
| 3148 | |
Willy Tarreau | 0b9c02c | 2009-02-04 22:05:05 +0100 | [diff] [blame] | 3149 | /* we might have to unbind some proxies from some processes */ |
Olivier Houchard | fbc74e8 | 2017-11-24 16:54:05 +0100 | [diff] [blame] | 3150 | px = proxies_list; |
Willy Tarreau | 0b9c02c | 2009-02-04 22:05:05 +0100 | [diff] [blame] | 3151 | while (px != NULL) { |
| 3152 | if (px->bind_proc && px->state != PR_STSTOPPED) { |
Olivier Houchard | 1fc0516 | 2017-04-06 01:05:05 +0200 | [diff] [blame] | 3153 | if (!(px->bind_proc & (1UL << proc))) { |
| 3154 | if (global.tune.options & GTUNE_SOCKET_TRANSFER) |
| 3155 | zombify_proxy(px); |
| 3156 | else |
| 3157 | stop_proxy(px); |
| 3158 | } |
Willy Tarreau | 0b9c02c | 2009-02-04 22:05:05 +0100 | [diff] [blame] | 3159 | } |
| 3160 | px = px->next; |
| 3161 | } |
| 3162 | |
Willy Tarreau | f83d3fe | 2015-05-01 19:13:41 +0200 | [diff] [blame] | 3163 | /* we might have to unbind some peers sections from some processes */ |
Frédéric Lécaille | ed2b4a6 | 2017-07-13 09:07:09 +0200 | [diff] [blame] | 3164 | for (curpeers = cfg_peers; curpeers; curpeers = curpeers->next) { |
Willy Tarreau | f83d3fe | 2015-05-01 19:13:41 +0200 | [diff] [blame] | 3165 | if (!curpeers->peers_fe) |
| 3166 | continue; |
| 3167 | |
| 3168 | if (curpeers->peers_fe->bind_proc & (1UL << proc)) |
| 3169 | continue; |
| 3170 | |
| 3171 | stop_proxy(curpeers->peers_fe); |
| 3172 | /* disable this peer section so that it kills itself */ |
Willy Tarreau | 47c8c02 | 2015-09-28 16:39:25 +0200 | [diff] [blame] | 3173 | signal_unregister_handler(curpeers->sighandler); |
| 3174 | task_delete(curpeers->sync_task); |
| 3175 | task_free(curpeers->sync_task); |
| 3176 | curpeers->sync_task = NULL; |
| 3177 | task_free(curpeers->peers_fe->task); |
| 3178 | curpeers->peers_fe->task = NULL; |
Willy Tarreau | f83d3fe | 2015-05-01 19:13:41 +0200 | [diff] [blame] | 3179 | curpeers->peers_fe = NULL; |
| 3180 | } |
| 3181 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 3182 | /* if we're NOT in QUIET mode, we should now close the 3 first FDs to ensure |
| 3183 | * that we can detach from the TTY. We MUST NOT do it in other cases since |
| 3184 | * it would have already be done, and 0-2 would have been affected to listening |
| 3185 | * sockets |
| 3186 | */ |
Willy Tarreau | 106cb76 | 2008-11-16 07:40:34 +0100 | [diff] [blame] | 3187 | if (!(global.mode & MODE_QUIET) || (global.mode & MODE_VERBOSE)) { |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 3188 | /* detach from the tty */ |
William Lallemand | e134041 | 2017-12-28 16:09:36 +0100 | [diff] [blame] | 3189 | stdio_quiet(devnullfd); |
Willy Tarreau | 106cb76 | 2008-11-16 07:40:34 +0100 | [diff] [blame] | 3190 | global.mode &= ~MODE_VERBOSE; |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 3191 | global.mode |= MODE_QUIET; /* ensure that we won't say anything from now */ |
| 3192 | } |
| 3193 | pid = getpid(); /* update child's pid */ |
William Lallemand | bfd8eb5 | 2018-07-04 15:31:23 +0200 | [diff] [blame] | 3194 | if (!(global.mode & MODE_MWORKER)) /* in mworker mode we don't want a new pgid for the children */ |
| 3195 | setsid(); |
Willy Tarreau | 2ff7622 | 2007-04-09 19:29:56 +0200 | [diff] [blame] | 3196 | fork_poller(); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 3197 | } |
| 3198 | |
Christopher Faulet | e3a5e35 | 2017-10-24 13:53:54 +0200 | [diff] [blame] | 3199 | global.mode &= ~MODE_STARTING; |
Willy Tarreau | 4f60f16 | 2007-04-08 16:39:58 +0200 | [diff] [blame] | 3200 | /* |
| 3201 | * That's it : the central polling loop. Run until we stop. |
| 3202 | */ |
Christopher Faulet | 1d17c10 | 2017-08-29 15:38:48 +0200 | [diff] [blame] | 3203 | #ifdef USE_THREAD |
Christopher Faulet | cd7879a | 2017-10-27 13:53:47 +0200 | [diff] [blame] | 3204 | { |
Christopher Faulet | 1d17c10 | 2017-08-29 15:38:48 +0200 | [diff] [blame] | 3205 | unsigned int *tids = calloc(global.nbthread, sizeof(unsigned int)); |
| 3206 | pthread_t *threads = calloc(global.nbthread, sizeof(pthread_t)); |
| 3207 | int i; |
William Lallemand | 1aab50b | 2018-06-07 09:46:01 +0200 | [diff] [blame] | 3208 | sigset_t blocked_sig, old_sig; |
Christopher Faulet | 1d17c10 | 2017-08-29 15:38:48 +0200 | [diff] [blame] | 3209 | |
Christopher Faulet | cd7879a | 2017-10-27 13:53:47 +0200 | [diff] [blame] | 3210 | /* Init tids array */ |
| 3211 | for (i = 0; i < global.nbthread; i++) |
Christopher Faulet | 1d17c10 | 2017-08-29 15:38:48 +0200 | [diff] [blame] | 3212 | tids[i] = i; |
Christopher Faulet | cd7879a | 2017-10-27 13:53:47 +0200 | [diff] [blame] | 3213 | |
William Lallemand | 1aab50b | 2018-06-07 09:46:01 +0200 | [diff] [blame] | 3214 | /* ensure the signals will be blocked in every thread */ |
| 3215 | sigfillset(&blocked_sig); |
| 3216 | sigdelset(&blocked_sig, SIGPROF); |
| 3217 | sigdelset(&blocked_sig, SIGBUS); |
| 3218 | sigdelset(&blocked_sig, SIGFPE); |
| 3219 | sigdelset(&blocked_sig, SIGILL); |
| 3220 | sigdelset(&blocked_sig, SIGSEGV); |
| 3221 | pthread_sigmask(SIG_SETMASK, &blocked_sig, &old_sig); |
| 3222 | |
Christopher Faulet | cd7879a | 2017-10-27 13:53:47 +0200 | [diff] [blame] | 3223 | /* Create nbthread-1 thread. The first thread is the current process */ |
| 3224 | threads[0] = pthread_self(); |
| 3225 | for (i = 1; i < global.nbthread; i++) |
Christopher Faulet | 1d17c10 | 2017-08-29 15:38:48 +0200 | [diff] [blame] | 3226 | pthread_create(&threads[i], NULL, &run_thread_poll_loop, &tids[i]); |
Christopher Faulet | cd7879a | 2017-10-27 13:53:47 +0200 | [diff] [blame] | 3227 | |
Christopher Faulet | 6251902 | 2017-10-16 15:49:32 +0200 | [diff] [blame] | 3228 | #ifdef USE_CPU_AFFINITY |
Christopher Faulet | cd7879a | 2017-10-27 13:53:47 +0200 | [diff] [blame] | 3229 | /* Now the CPU affinity for all threads */ |
| 3230 | for (i = 0; i < global.nbthread; i++) { |
Christopher Faulet | cb6a945 | 2017-11-22 16:50:41 +0100 | [diff] [blame] | 3231 | if (global.cpu_map.proc[relative_pid-1]) |
| 3232 | global.cpu_map.thread[relative_pid-1][i] &= global.cpu_map.proc[relative_pid-1]; |
Christopher Faulet | 6251902 | 2017-10-16 15:49:32 +0200 | [diff] [blame] | 3233 | |
Willy Tarreau | 421f02e | 2018-01-20 18:19:22 +0100 | [diff] [blame] | 3234 | if (i < MAX_THREADS && /* only the first 32/64 threads may be pinned */ |
Olivier Houchard | 829aa24 | 2017-12-01 18:19:43 +0100 | [diff] [blame] | 3235 | global.cpu_map.thread[relative_pid-1][i]) {/* only do this if the thread has a THREAD map */ |
| 3236 | #if defined(__FreeBSD__) || defined(__NetBSD__) |
| 3237 | cpuset_t cpuset; |
| 3238 | #else |
| 3239 | cpu_set_t cpuset; |
| 3240 | #endif |
| 3241 | int j; |
| 3242 | unsigned long cpu_map = global.cpu_map.thread[relative_pid-1][i]; |
| 3243 | |
| 3244 | CPU_ZERO(&cpuset); |
| 3245 | |
| 3246 | while ((j = ffsl(cpu_map)) > 0) { |
| 3247 | CPU_SET(j - 1, &cpuset); |
Cyril Bonté | d400ab3 | 2018-03-12 21:47:39 +0100 | [diff] [blame] | 3248 | cpu_map &= ~(1UL << (j - 1)); |
Olivier Houchard | 829aa24 | 2017-12-01 18:19:43 +0100 | [diff] [blame] | 3249 | } |
Christopher Faulet | 6251902 | 2017-10-16 15:49:32 +0200 | [diff] [blame] | 3250 | pthread_setaffinity_np(threads[i], |
Olivier Houchard | 829aa24 | 2017-12-01 18:19:43 +0100 | [diff] [blame] | 3251 | sizeof(cpuset), &cpuset); |
| 3252 | } |
Christopher Faulet | 1d17c10 | 2017-08-29 15:38:48 +0200 | [diff] [blame] | 3253 | } |
Christopher Faulet | cd7879a | 2017-10-27 13:53:47 +0200 | [diff] [blame] | 3254 | #endif /* !USE_CPU_AFFINITY */ |
| 3255 | |
William Lallemand | 1aab50b | 2018-06-07 09:46:01 +0200 | [diff] [blame] | 3256 | /* when multithreading we need to let only the thread 0 handle the signals */ |
William Lallemand | d3801c1 | 2018-09-11 10:06:23 +0200 | [diff] [blame] | 3257 | haproxy_unblock_signals(); |
William Lallemand | 1aab50b | 2018-06-07 09:46:01 +0200 | [diff] [blame] | 3258 | |
Christopher Faulet | cd7879a | 2017-10-27 13:53:47 +0200 | [diff] [blame] | 3259 | /* Finally, start the poll loop for the first thread */ |
| 3260 | run_thread_poll_loop(&tids[0]); |
| 3261 | |
| 3262 | /* Wait the end of other threads */ |
| 3263 | for (i = 1; i < global.nbthread; i++) |
Christopher Faulet | 1d17c10 | 2017-08-29 15:38:48 +0200 | [diff] [blame] | 3264 | pthread_join(threads[i], NULL); |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 3265 | |
Christopher Faulet | 1d17c10 | 2017-08-29 15:38:48 +0200 | [diff] [blame] | 3266 | free(tids); |
| 3267 | free(threads); |
| 3268 | |
Christopher Faulet | b79a94c | 2017-05-30 15:34:30 +0200 | [diff] [blame] | 3269 | #if defined(DEBUG_THREAD) || defined(DEBUG_FULL) |
| 3270 | show_lock_stats(); |
| 3271 | #endif |
Christopher Faulet | 1d17c10 | 2017-08-29 15:38:48 +0200 | [diff] [blame] | 3272 | } |
Christopher Faulet | cd7879a | 2017-10-27 13:53:47 +0200 | [diff] [blame] | 3273 | #else /* ! USE_THREAD */ |
William Lallemand | d3801c1 | 2018-09-11 10:06:23 +0200 | [diff] [blame] | 3274 | haproxy_unblock_signals(); |
Christopher Faulet | cd7879a | 2017-10-27 13:53:47 +0200 | [diff] [blame] | 3275 | run_thread_poll_loop((int []){0}); |
Christopher Faulet | 6251902 | 2017-10-16 15:49:32 +0200 | [diff] [blame] | 3276 | |
Christopher Faulet | 6251902 | 2017-10-16 15:49:32 +0200 | [diff] [blame] | 3277 | #endif |
Christopher Faulet | 1d17c10 | 2017-08-29 15:38:48 +0200 | [diff] [blame] | 3278 | |
| 3279 | /* Do some cleanup */ |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 3280 | deinit(); |
Christopher Faulet | 1d17c10 | 2017-08-29 15:38:48 +0200 | [diff] [blame] | 3281 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 3282 | exit(0); |
| 3283 | } |
| 3284 | |
| 3285 | |
| 3286 | /* |
| 3287 | * Local variables: |
| 3288 | * c-indent-level: 8 |
| 3289 | * c-basic-offset: 8 |
| 3290 | * End: |
| 3291 | */ |