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30a4f2a8 | 1 | /* |
b510f3a1 | 2 | * DEBUG: section 01 Startup and Main Loop |
30a4f2a8 | 3 | * AUTHOR: Harvest Derived |
4 | * | |
2b6662ba | 5 | * SQUID Web Proxy Cache http://www.squid-cache.org/ |
e25c139f | 6 | * ---------------------------------------------------------- |
30a4f2a8 | 7 | * |
2b6662ba | 8 | * Squid is the result of efforts by numerous individuals from |
9 | * the Internet community; see the CONTRIBUTORS file for full | |
10 | * details. Many organizations have provided support for Squid's | |
11 | * development; see the SPONSORS file for full details. Squid is | |
12 | * Copyrighted (C) 2001 by the Regents of the University of | |
13 | * California; see the COPYRIGHT file for full details. Squid | |
14 | * incorporates software developed and/or copyrighted by other | |
15 | * sources; see the CREDITS file for full details. | |
30a4f2a8 | 16 | * |
17 | * This program is free software; you can redistribute it and/or modify | |
18 | * it under the terms of the GNU General Public License as published by | |
19 | * the Free Software Foundation; either version 2 of the License, or | |
20 | * (at your option) any later version. | |
26ac0430 | 21 | * |
30a4f2a8 | 22 | * This program is distributed in the hope that it will be useful, |
23 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
24 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
25 | * GNU General Public License for more details. | |
26ac0430 | 26 | * |
30a4f2a8 | 27 | * You should have received a copy of the GNU General Public License |
28 | * along with this program; if not, write to the Free Software | |
cbdec147 | 29 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
e25c139f | 30 | * |
30a4f2a8 | 31 | */ |
44a47c6e | 32 | |
582c2af2 | 33 | #include "squid.h" |
450e0c10 | 34 | #include "AccessLogEntry.h" |
582c2af2 FC |
35 | #include "acl/Acl.h" |
36 | #include "acl/Asn.h" | |
89736861 | 37 | #include "AuthReg.h" |
6d57128b | 38 | #include "base/RunnersRegistry.h" |
e0d28505 | 39 | #include "base/Subscription.h" |
3d93a84d | 40 | #include "base/TextException.h" |
fc54b8d2 FC |
41 | #include "cache_cf.h" |
42 | #include "carp.h" | |
43 | #include "client_db.h" | |
44 | #include "client_side.h" | |
d841c88d | 45 | #include "comm.h" |
62ee09ca | 46 | #include "ConfigParser.h" |
96c2bb61 | 47 | #include "CpuAffinity.h" |
fc54b8d2 | 48 | #include "disk.h" |
582c2af2 | 49 | #include "DiskIO/DiskIOModule.h" |
aa839030 | 50 | #include "errorpage.h" |
a553a5a3 | 51 | #include "event.h" |
52 | #include "EventLoop.h" | |
62ee09ca | 53 | #include "ExternalACL.h" |
fc54b8d2 | 54 | #include "fd.h" |
31971e6a | 55 | #include "format/Token.h" |
fc54b8d2 | 56 | #include "fqdncache.h" |
602d9612 | 57 | #include "fs/Module.h" |
eb13c21e | 58 | #include "FwdState.h" |
af69c635 | 59 | #include "globals.h" |
582c2af2 | 60 | #include "htcp.h" |
fc54b8d2 | 61 | #include "HttpHeader.h" |
582c2af2 FC |
62 | #include "HttpReply.h" |
63 | #include "icmp/IcmpSquid.h" | |
64 | #include "icmp/net_db.h" | |
e6ccf245 | 65 | #include "ICP.h" |
4daaf3cb | 66 | #include "ident/Ident.h" |
602d9612 | 67 | #include "ip/tools.h" |
10cefb7b | 68 | #include "ipc/Coordinator.h" |
582c2af2 | 69 | #include "ipc/Kids.h" |
10cefb7b | 70 | #include "ipc/Strand.h" |
602d9612 | 71 | #include "ipcache.h" |
582c2af2 FC |
72 | #include "Mem.h" |
73 | #include "MemPool.h" | |
b65ce00c | 74 | #include "mime.h" |
fc54b8d2 | 75 | #include "neighbors.h" |
d5f21615 | 76 | #include "parser/Tokenizer.h" |
582c2af2 | 77 | #include "pconn.h" |
fc54b8d2 FC |
78 | #include "peer_sourcehash.h" |
79 | #include "peer_userhash.h" | |
602d9612 | 80 | #include "PeerSelectState.h" |
582c2af2 | 81 | #include "profiler/Profiler.h" |
c548327a | 82 | #include "redirect.h" |
fc54b8d2 | 83 | #include "refresh.h" |
bc94e5ca | 84 | #include "send-announce.h" |
4d5904f7 | 85 | #include "SquidConfig.h" |
582c2af2 | 86 | #include "SquidDns.h" |
985c86bc | 87 | #include "SquidTime.h" |
fc54b8d2 | 88 | #include "stat.h" |
e4f1fdae | 89 | #include "StatCounters.h" |
582c2af2 | 90 | #include "Store.h" |
602d9612 A |
91 | #include "store_log.h" |
92 | #include "StoreFileSystem.h" | |
c8f4eac4 | 93 | #include "SwapDir.h" |
602d9612 | 94 | #include "tools.h" |
b6b42084 | 95 | #include "unlinkd.h" |
fc54b8d2 FC |
96 | #include "URL.h" |
97 | #include "wccp.h" | |
98 | #include "wccp2.h" | |
cf3edd6f | 99 | #include "WinSvc.h" |
44a47c6e | 100 | |
582c2af2 FC |
101 | #if USE_ADAPTATION |
102 | #include "adaptation/Config.h" | |
103 | #endif | |
104 | #if USE_ECAP | |
105 | #include "adaptation/ecap/Config.h" | |
106 | #endif | |
107 | #if ICAP_CLIENT | |
108 | #include "adaptation/icap/Config.h" | |
109 | #include "adaptation/icap/icap_log.h" | |
110 | #endif | |
111 | #if USE_AUTH | |
112 | #include "auth/Gadgets.h" | |
113 | #endif | |
114 | #if USE_DELAY_POOLS | |
115 | #include "ClientDelayConfig.h" | |
116 | #endif | |
117 | #if USE_DELAY_POOLS | |
118 | #include "DelayPools.h" | |
119 | #endif | |
57afc994 AR |
120 | #if USE_LOADABLE_MODULES |
121 | #include "LoadableModules.h" | |
122 | #endif | |
95d2589c | 123 | #if USE_SSL_CRTD |
95d2589c CT |
124 | #include "ssl/certificate_db.h" |
125 | #endif | |
cb4f4424 | 126 | #if USE_OPENSSL |
95d2589c | 127 | #include "ssl/context_storage.h" |
602d9612 | 128 | #include "ssl/helper.h" |
95d2589c | 129 | #endif |
b958cb0f | 130 | #if ICAP_CLIENT |
26cc52cb | 131 | #include "adaptation/icap/Config.h" |
b958cb0f | 132 | #endif |
6e5db507 | 133 | #if USE_ECAP |
1f3c65fc | 134 | #include "adaptation/ecap/Config.h" |
6e5db507 | 135 | #endif |
b958cb0f AR |
136 | #if USE_ADAPTATION |
137 | #include "adaptation/Config.h" | |
138 | #endif | |
79039294 AR |
139 | #if USE_SQUID_ESI |
140 | #include "esi/Module.h" | |
141 | #endif | |
9c0a2256 FC |
142 | #if SQUID_SNMP |
143 | #include "snmp_core.h" | |
144 | #endif | |
7b5b7ba8 | 145 | |
1a30fdf5 | 146 | #include <cerrno> |
25f98340 AJ |
147 | #if HAVE_PATHS_H |
148 | #include <paths.h> | |
149 | #endif | |
582c2af2 FC |
150 | #if HAVE_SYS_WAIT_H |
151 | #include <sys/wait.h> | |
152 | #endif | |
1a774556 | 153 | |
25f98340 | 154 | #if USE_WIN32_SERVICE |
1a774556 | 155 | #include <process.h> |
156 | ||
157 | static int opt_install_service = FALSE; | |
158 | static int opt_remove_service = FALSE; | |
1a774556 | 159 | static int opt_command_line = FALSE; |
82afb125 | 160 | void WIN32_svcstatusupdate(DWORD, DWORD); |
1a774556 | 161 | void WINAPI WIN32_svcHandler(DWORD); |
1a774556 | 162 | #endif |
163 | ||
cf2155f2 | 164 | static int opt_signal_service = FALSE; |
5e6d4736 | 165 | static char *opt_syslog_facility = NULL; |
30a4f2a8 | 166 | static int icpPortNumOverride = 1; /* Want to detect "-u 0" */ |
e13ee7ad | 167 | static int configured_once = 0; |
30a4f2a8 | 168 | #if MALLOC_DBG |
4d64d74a | 169 | static int malloc_debug_level = 0; |
30a4f2a8 | 170 | #endif |
5cd39a10 | 171 | static volatile int do_reconfigure = 0; |
172 | static volatile int do_rotate = 0; | |
2681d383 | 173 | static volatile int do_shutdown = 0; |
ae1feb30 | 174 | static volatile int shutdown_status = 0; |
4d7add01 | 175 | |
a2c48c98 AR |
176 | static int RotateSignal = -1; |
177 | static int ReconfigureSignal = -1; | |
178 | static int ShutdownSignal = -1; | |
179 | ||
5cd39a10 | 180 | static void mainRotate(void); |
d71e4674 AR |
181 | static void mainReconfigureStart(void); |
182 | static void mainReconfigureFinish(void*); | |
f5b8bbc4 | 183 | static void mainInitialize(void); |
f5b8bbc4 | 184 | static void usage(void); |
63be0a78 | 185 | static void mainParseOptions(int argc, char *argv[]); |
f5b8bbc4 | 186 | static void sendSignal(void); |
187 | static void serverConnectionsOpen(void); | |
d71e4674 | 188 | static void serverConnectionsClose(void); |
bbe199dc | 189 | static void watch_child(char **); |
85407535 | 190 | static void setEffectiveUser(void); |
8ff3fa2e | 191 | static void SquidShutdown(void); |
b6a2f15e | 192 | static void mainSetCwd(void); |
efd900cb | 193 | static int checkRunningPid(void); |
85407535 | 194 | |
7aa9bb3e | 195 | #if !_SQUID_WINDOWS_ |
e18d7fdc | 196 | static const char *squid_start_script = "squid_start"; |
b293c4d8 | 197 | #endif |
e18d7fdc | 198 | |
9bc73deb | 199 | #if TEST_ACCESS |
200 | #include "test_access.c" | |
201 | #endif | |
202 | ||
63be0a78 | 203 | /** temporary thunk across to the unrefactored store interface */ |
8ff3fa2e | 204 | |
205 | class StoreRootEngine : public AsyncEngine | |
206 | { | |
207 | ||
208 | public: | |
26ac0430 | 209 | int checkEvents(int timeout) { |
8ff3fa2e | 210 | Store::Root().callback(); |
211 | return EVENT_IDLE; | |
212 | }; | |
213 | }; | |
214 | ||
9688b0ae | 215 | class SignalEngine: public AsyncEngine |
a553a5a3 | 216 | { |
217 | ||
218 | public: | |
9688b0ae | 219 | virtual int checkEvents(int timeout); |
a553a5a3 | 220 | |
221 | private: | |
0a720258 AR |
222 | static void StopEventLoop(void *) { |
223 | if (EventLoop::Running) | |
224 | EventLoop::Running->stop(); | |
a553a5a3 | 225 | } |
226 | ||
9688b0ae | 227 | void doShutdown(time_t wait); |
a553a5a3 | 228 | }; |
229 | ||
9688b0ae | 230 | int |
231 | SignalEngine::checkEvents(int timeout) | |
a553a5a3 | 232 | { |
9688b0ae | 233 | PROF_start(SignalEngine_checkEvents); |
fc68f6b1 | 234 | |
a553a5a3 | 235 | if (do_reconfigure) { |
d71e4674 | 236 | mainReconfigureStart(); |
a553a5a3 | 237 | do_reconfigure = 0; |
a553a5a3 | 238 | } else if (do_rotate) { |
239 | mainRotate(); | |
240 | do_rotate = 0; | |
241 | } else if (do_shutdown) { | |
9688b0ae | 242 | doShutdown(do_shutdown > 0 ? (int) Config.shutdownLifetime : 0); |
a553a5a3 | 243 | do_shutdown = 0; |
26ac0430 | 244 | } |
a2c48c98 AR |
245 | BroadcastSignalIfAny(DebugSignal); |
246 | BroadcastSignalIfAny(RotateSignal); | |
247 | BroadcastSignalIfAny(ReconfigureSignal); | |
248 | BroadcastSignalIfAny(ShutdownSignal); | |
a553a5a3 | 249 | |
9688b0ae | 250 | PROF_stop(SignalEngine_checkEvents); |
251 | return EVENT_IDLE; | |
252 | } | |
a553a5a3 | 253 | |
9688b0ae | 254 | void |
255 | SignalEngine::doShutdown(time_t wait) | |
256 | { | |
e0236918 FC |
257 | debugs(1, DBG_IMPORTANT, "Preparing for shutdown after " << statCounter.client_http.requests << " requests"); |
258 | debugs(1, DBG_IMPORTANT, "Waiting " << wait << " seconds for active connections to finish"); | |
8ff3fa2e | 259 | |
9688b0ae | 260 | shutting_down = 1; |
261 | ||
262 | #if USE_WIN32_SERVICE | |
263 | WIN32_svcstatusupdate(SERVICE_STOP_PENDING, (wait + 1) * 1000); | |
264 | #endif | |
265 | ||
0bcb6908 | 266 | /* run the closure code which can be shared with reconfigure */ |
9688b0ae | 267 | serverConnectionsClose(); |
2f1431ea | 268 | #if USE_AUTH |
0bcb6908 | 269 | /* detach the auth components (only do this on full shutdown) */ |
c6cf8dee | 270 | Auth::Scheme::FreeAll(); |
2f1431ea | 271 | #endif |
21b7990f AR |
272 | |
273 | RunRegisteredHere(RegisteredRunner::startShutdown); | |
9688b0ae | 274 | eventAdd("SquidShutdown", &StopEventLoop, this, (double) (wait + 1), 1, false); |
a553a5a3 | 275 | } |
276 | ||
b8d8561b | 277 | static void |
0673c0ba | 278 | usage(void) |
ccff9601 | 279 | { |
0ee4272b | 280 | fprintf(stderr, |
cf2155f2 | 281 | "Usage: %s [-cdhvzCFNRVYX] [-n name] [-s | -l facility] [-f config-file] [-[au] port] [-k signal]" |
0e657244 | 282 | #if USE_WIN32_SERVICE |
cf2155f2 | 283 | "[-ir] [-O CommandLine]" |
0e657244 | 284 | #endif |
cf2155f2 | 285 | "\n" |
62e76326 | 286 | " -a port Specify HTTP port number (default: %d).\n" |
287 | " -d level Write debugging to stderr also.\n" | |
288 | " -f file Use given config-file instead of\n" | |
289 | " %s\n" | |
290 | " -h Print help message.\n" | |
0e657244 | 291 | #if USE_WIN32_SERVICE |
292 | " -i Installs as a Windows Service (see -n option).\n" | |
293 | #endif | |
98fcbb0e AJ |
294 | " -k reconfigure|rotate|shutdown|" |
295 | #ifdef SIGTTIN | |
296 | "restart|" | |
297 | #endif | |
298 | "interrupt|kill|debug|check|parse\n" | |
62e76326 | 299 | " Parse configuration file, then send signal to \n" |
300 | " running copy (except -k parse) and exit.\n" | |
cf2155f2 AJ |
301 | " -n name Specify service name to use for service operations\n" |
302 | " default is: " APP_SHORTNAME ".\n" | |
0e657244 | 303 | #if USE_WIN32_SERVICE |
0e657244 | 304 | " -r Removes a Windows Service (see -n option).\n" |
305 | #endif | |
5e6d4736 | 306 | " -s | -l facility\n" |
307 | " Enable logging to syslog.\n" | |
62e76326 | 308 | " -u port Specify ICP port number (default: %d), disable with 0.\n" |
309 | " -v Print version.\n" | |
04632397 | 310 | " -z Create missing swap directories and then exit.\n" |
62e76326 | 311 | " -C Do not catch fatal signals.\n" |
8eb28163 | 312 | " -D OBSOLETE. Scheduled for removal.\n" |
62e76326 | 313 | " -F Don't serve any requests until store is rebuilt.\n" |
314 | " -N No daemon mode.\n" | |
0e657244 | 315 | #if USE_WIN32_SERVICE |
316 | " -O options\n" | |
317 | " Set Windows Service Command line options in Registry.\n" | |
318 | #endif | |
62e76326 | 319 | " -R Do not set REUSEADDR on port.\n" |
320 | " -S Double-check swap during rebuild.\n" | |
62e76326 | 321 | " -X Force full debugging.\n" |
322 | " -Y Only return UDP_HIT or UDP_MISS_NOFETCH during fast reload.\n", | |
7dbca7a4 | 323 | APP_SHORTNAME, CACHE_HTTP_PORT, DefaultConfigFile, CACHE_ICP_PORT); |
77ffc99f | 324 | exit(1); |
ccff9601 | 325 | } |
326 | ||
63be0a78 | 327 | /** |
328 | * Parse the parameters received via command line interface. | |
329 | * | |
d85b8894 AJ |
330 | \param argc Number of options received on command line |
331 | \param argv List of parameters received on command line | |
63be0a78 | 332 | */ |
b8d8561b | 333 | static void |
334 | mainParseOptions(int argc, char *argv[]) | |
090089c4 | 335 | { |
090089c4 | 336 | extern char *optarg; |
4d64d74a | 337 | int c; |
090089c4 | 338 | |
0e657244 | 339 | #if USE_WIN32_SERVICE |
5e6d4736 | 340 | while ((c = getopt(argc, argv, "CDFNO:RSVYXa:d:f:hik:m::n:rsl:u:vz?")) != -1) |
0e657244 | 341 | #else |
cf2155f2 | 342 | while ((c = getopt(argc, argv, "CDFNRSYXa:d:f:hk:m::n:sl:u:vz?")) != -1) |
0e657244 | 343 | #endif |
9b7292ce | 344 | { |
345 | ||
26ac0430 | 346 | switch (c) { |
62e76326 | 347 | |
348 | case 'C': | |
63be0a78 | 349 | /** \par C |
350 | * Unset/disabel global option for catchign signals. opt_catch_signals */ | |
62e76326 | 351 | opt_catch_signals = 0; |
352 | break; | |
353 | ||
354 | case 'D': | |
63be0a78 | 355 | /** \par D |
8eb28163 AJ |
356 | * OBSOLETE: WAS: override to prevent optional startup DNS tests. */ |
357 | debugs(1,DBG_CRITICAL, "WARNING: -D command-line option is obsolete."); | |
62e76326 | 358 | break; |
359 | ||
360 | case 'F': | |
63be0a78 | 361 | /** \par F |
362 | * Set global option for foreground rebuild. opt_foreground_rebuild */ | |
62e76326 | 363 | opt_foreground_rebuild = 1; |
364 | break; | |
365 | ||
366 | case 'N': | |
63be0a78 | 367 | /** \par N |
368 | * Set global option for 'no_daemon' mode. opt_no_daemon */ | |
62e76326 | 369 | opt_no_daemon = 1; |
370 | break; | |
63be0a78 | 371 | |
0e657244 | 372 | #if USE_WIN32_SERVICE |
373 | ||
374 | case 'O': | |
63be0a78 | 375 | /** \par O |
376 | * Set global option. opt_command_lin and WIN32_Command_Line */ | |
0e657244 | 377 | opt_command_line = 1; |
378 | WIN32_Command_Line = xstrdup(optarg); | |
379 | break; | |
380 | #endif | |
62e76326 | 381 | |
382 | case 'R': | |
63be0a78 | 383 | /** \par R |
384 | * Unset/disable global option opt_reuseaddr */ | |
62e76326 | 385 | opt_reuseaddr = 0; |
386 | break; | |
387 | ||
388 | case 'S': | |
63be0a78 | 389 | /** \par S |
390 | * Set global option opt_store_doublecheck */ | |
62e76326 | 391 | opt_store_doublecheck = 1; |
392 | break; | |
393 | ||
62e76326 | 394 | case 'X': |
63be0a78 | 395 | /** \par X |
396 | * Force full debugging */ | |
62493678 AJ |
397 | Debug::parseOptions("rotate=0 ALL,9"); |
398 | Debug::override_X = 1; | |
62e76326 | 399 | sigusr2_handle(SIGUSR2); |
62e76326 | 400 | break; |
401 | ||
402 | case 'Y': | |
63be0a78 | 403 | /** \par Y |
404 | * Set global option opt_reload_hit_only */ | |
62e76326 | 405 | opt_reload_hit_only = 1; |
62e76326 | 406 | break; |
407 | ||
0e657244 | 408 | #if USE_WIN32_SERVICE |
409 | ||
410 | case 'i': | |
63be0a78 | 411 | /** \par i |
412 | * Set global option opt_install_service (to TRUE) */ | |
0e657244 | 413 | opt_install_service = TRUE; |
0e657244 | 414 | break; |
0e657244 | 415 | #endif |
416 | ||
62e76326 | 417 | case 'a': |
63be0a78 | 418 | /** \par a |
419 | * Add optional HTTP port as given following the option */ | |
62e76326 | 420 | add_http_port(optarg); |
62e76326 | 421 | break; |
422 | ||
423 | case 'd': | |
63be0a78 | 424 | /** \par d |
62493678 AJ |
425 | * Set global option Debug::log_stderr to the number given follwoign the option */ |
426 | Debug::log_stderr = atoi(optarg); | |
62e76326 | 427 | break; |
428 | ||
429 | case 'f': | |
63be0a78 | 430 | /** \par f |
431 | * Load the file given instead of the default squid.conf. */ | |
62e76326 | 432 | xfree(ConfigFile); |
62e76326 | 433 | ConfigFile = xstrdup(optarg); |
62e76326 | 434 | break; |
435 | ||
436 | case 'k': | |
63be0a78 | 437 | /** \par k |
438 | * Run the administrative action given following the option */ | |
fc68f6b1 | 439 | |
63be0a78 | 440 | /** \li When its an unknown option display the usage help. */ |
62e76326 | 441 | if ((int) strlen(optarg) < 1) |
442 | usage(); | |
443 | ||
444 | if (!strncmp(optarg, "reconfigure", strlen(optarg))) | |
63be0a78 | 445 | /** \li On reconfigure send SIGHUP. */ |
62e76326 | 446 | opt_send_signal = SIGHUP; |
447 | else if (!strncmp(optarg, "rotate", strlen(optarg))) | |
63be0a78 | 448 | /** \li On rotate send SIGQUIT or SIGUSR1. */ |
605f2c3e | 449 | #if defined(_SQUID_LINUX_THREADS_) |
62e76326 | 450 | opt_send_signal = SIGQUIT; |
e3175d1f | 451 | #else |
62e76326 | 452 | opt_send_signal = SIGUSR1; |
e3175d1f | 453 | #endif |
62e76326 | 454 | |
455 | else if (!strncmp(optarg, "debug", strlen(optarg))) | |
63be0a78 | 456 | /** \li On debug send SIGTRAP or SIGUSR2. */ |
605f2c3e | 457 | #if defined(_SQUID_LINUX_THREADS_) |
62e76326 | 458 | opt_send_signal = SIGTRAP; |
e3175d1f | 459 | #else |
62e76326 | 460 | opt_send_signal = SIGUSR2; |
62e76326 | 461 | #endif |
462 | ||
463 | else if (!strncmp(optarg, "shutdown", strlen(optarg))) | |
63be0a78 | 464 | /** \li On shutdown send SIGTERM. */ |
62e76326 | 465 | opt_send_signal = SIGTERM; |
466 | else if (!strncmp(optarg, "interrupt", strlen(optarg))) | |
63be0a78 | 467 | /** \li On interrupt send SIGINT. */ |
62e76326 | 468 | opt_send_signal = SIGINT; |
469 | else if (!strncmp(optarg, "kill", strlen(optarg))) | |
63be0a78 | 470 | /** \li On kill send SIGKILL. */ |
62e76326 | 471 | opt_send_signal = SIGKILL; |
ae1feb30 | 472 | |
473 | #ifdef SIGTTIN | |
474 | ||
475 | else if (!strncmp(optarg, "restart", strlen(optarg))) | |
63be0a78 | 476 | /** \li On restart send SIGTTIN. (exit and restart by parent) */ |
477 | opt_send_signal = SIGTTIN; | |
ae1feb30 | 478 | |
479 | #endif | |
480 | ||
62e76326 | 481 | else if (!strncmp(optarg, "check", strlen(optarg))) |
63be0a78 | 482 | /** \li On check send 0 / SIGNULL. */ |
62e76326 | 483 | opt_send_signal = 0; /* SIGNULL */ |
484 | else if (!strncmp(optarg, "parse", strlen(optarg))) | |
63be0a78 | 485 | /** \li On parse set global flag to re-parse the config file only. */ |
486 | opt_parse_cfg_only = 1; | |
62e76326 | 487 | else |
488 | usage(); | |
489 | ||
490 | break; | |
491 | ||
492 | case 'm': | |
63be0a78 | 493 | /** \par m |
494 | * Set global malloc_debug_level to the value given following the option. | |
495 | * if none is given it toggles the xmalloc_trace option on/off */ | |
62e76326 | 496 | if (optarg) { |
30a4f2a8 | 497 | #if MALLOC_DBG |
fc68f6b1 | 498 | malloc_debug_level = atoi(optarg); |
30a4f2a8 | 499 | #else |
fc68f6b1 | 500 | fatal("Need to add -DMALLOC_DBG when compiling to use -mX option"); |
33ab18e8 | 501 | #endif |
62e76326 | 502 | |
e2849af8 | 503 | } |
d9e7ee1f | 504 | break; |
d9e7ee1f | 505 | |
0e657244 | 506 | case 'n': |
63be0a78 | 507 | /** \par n |
cf2155f2 AJ |
508 | * Set global option opt_signal_service (to true). |
509 | * Stores the additional parameter given in global service_name */ | |
eeae1733 | 510 | if (optarg && *optarg != '\0') { |
d5f21615 AJ |
511 | const SBuf t(optarg); |
512 | ::Parser::Tokenizer tok(t); | |
513 | const CharacterSet chr = CharacterSet::ALPHA+CharacterSet::DIGIT; | |
514 | if (!tok.prefix(service_name, chr) || !tok.atEnd()) | |
515 | fatalf("Expected alphanumeric service name for the -n option but got: " SQUIDSBUFPH, SQUIDSBUFPRINT(service_name)); | |
516 | if (service_name.length() > 32) | |
517 | fatalf("Service name (-n option) must be limited to 32 characters but got %u", service_name.length()); | |
518 | opt_signal_service = true; | |
519 | } else { | |
520 | fatal("A service name is required for the -n option"); | |
521 | } | |
0e657244 | 522 | break; |
523 | ||
cf2155f2 AJ |
524 | #if USE_WIN32_SERVICE |
525 | ||
0e657244 | 526 | case 'r': |
63be0a78 | 527 | /** \par r |
528 | * Set global option opt_remove_service (to TRUE) */ | |
0e657244 | 529 | opt_remove_service = TRUE; |
530 | ||
531 | break; | |
532 | ||
533 | #endif | |
534 | ||
5e6d4736 | 535 | case 'l': |
63be0a78 | 536 | /** \par l |
537 | * Stores the syslog facility name in global opt_syslog_facility | |
538 | * then performs actions for -s option. */ | |
5c6dae44 | 539 | xfree(opt_syslog_facility); // ignore any previous options sent |
5e6d4736 | 540 | opt_syslog_facility = xstrdup(optarg); |
541 | ||
62e76326 | 542 | case 's': |
63be0a78 | 543 | /** \par s |
544 | * Initialize the syslog for output */ | |
c307aec3 | 545 | #if HAVE_SYSLOG |
62e76326 | 546 | |
5e6d4736 | 547 | _db_set_syslog(opt_syslog_facility); |
0e657244 | 548 | |
62e76326 | 549 | break; |
0e657244 | 550 | |
c307aec3 | 551 | #else |
62e76326 | 552 | |
553 | fatal("Logging to syslog not available on this platform"); | |
0e657244 | 554 | |
62e76326 | 555 | /* NOTREACHED */ |
556 | #endif | |
557 | ||
558 | case 'u': | |
63be0a78 | 559 | /** \par u |
560 | * Store the ICP port number given in global option icpPortNumOverride | |
561 | * ensuring its a positive number. */ | |
62e76326 | 562 | icpPortNumOverride = atoi(optarg); |
563 | ||
564 | if (icpPortNumOverride < 0) | |
565 | icpPortNumOverride = 0; | |
566 | ||
567 | break; | |
568 | ||
569 | case 'v': | |
63be0a78 | 570 | /** \par v |
571 | * Display squid version and build information. Then exit. */ | |
4fe75473 | 572 | printf("Squid Cache: Version %s\n" ,version_string); |
d5f21615 | 573 | printf("Service Name: " SQUIDSBUFPH "\n", SQUIDSBUFPRINT(service_name)); |
4fe75473 FC |
574 | if (strlen(SQUID_BUILD_INFO)) |
575 | printf("%s\n",SQUID_BUILD_INFO); | |
576 | printf( "configure options: %s\n", SQUID_CONFIGURE_OPTIONS); | |
62e76326 | 577 | |
1a774556 | 578 | #if USE_WIN32_SERVICE |
579 | ||
580 | printf("Compiled as Windows System Service.\n"); | |
581 | ||
582 | #endif | |
583 | ||
62e76326 | 584 | exit(0); |
585 | ||
586 | /* NOTREACHED */ | |
587 | ||
588 | case 'z': | |
63be0a78 | 589 | /** \par z |
62493678 AJ |
590 | * Set global option Debug::log_stderr and opt_create_swap_dirs */ |
591 | Debug::log_stderr = 1; | |
62e76326 | 592 | opt_create_swap_dirs = 1; |
62e76326 | 593 | break; |
594 | ||
63be0a78 | 595 | case 'h': |
596 | ||
62e76326 | 597 | case '?': |
598 | ||
599 | default: | |
63be0a78 | 600 | /** \par h,?, or unknown |
601 | * \copydoc usage() */ | |
62e76326 | 602 | usage(); |
603 | ||
604 | break; | |
605 | } | |
9b7292ce | 606 | |
090089c4 | 607 | } |
4d64d74a | 608 | } |
090089c4 | 609 | |
7a2f978b | 610 | /* ARGSUSED */ |
b293c4d8 | 611 | void |
9b7292ce | 612 | rotate_logs(int sig) |
613 | { | |
5cd39a10 | 614 | do_rotate = 1; |
a2c48c98 | 615 | RotateSignal = sig; |
7aa9bb3e | 616 | #if !_SQUID_WINDOWS_ |
30a4f2a8 | 617 | #if !HAVE_SIGACTION |
62e76326 | 618 | |
30a4f2a8 | 619 | signal(sig, rotate_logs); |
620 | #endif | |
a50bfe93 | 621 | #endif |
30a4f2a8 | 622 | } |
623 | ||
7a2f978b | 624 | /* ARGSUSED */ |
b293c4d8 | 625 | void |
9b7292ce | 626 | reconfigure(int sig) |
627 | { | |
5cd39a10 | 628 | do_reconfigure = 1; |
a2c48c98 | 629 | ReconfigureSignal = sig; |
7aa9bb3e | 630 | #if !_SQUID_WINDOWS_ |
30a4f2a8 | 631 | #if !HAVE_SIGACTION |
62e76326 | 632 | |
30a4f2a8 | 633 | signal(sig, reconfigure); |
634 | #endif | |
a50bfe93 | 635 | #endif |
30a4f2a8 | 636 | } |
637 | ||
b8d8561b | 638 | void |
9b7292ce | 639 | shut_down(int sig) |
640 | { | |
2681d383 | 641 | do_shutdown = sig == SIGINT ? -1 : 1; |
a2c48c98 | 642 | ShutdownSignal = sig; |
ae1feb30 | 643 | #ifdef SIGTTIN |
644 | ||
645 | if (SIGTTIN == sig) | |
646 | shutdown_status = 1; | |
647 | ||
648 | #endif | |
ca4b9ee6 DK |
649 | |
650 | const pid_t ppid = getppid(); | |
651 | ||
bd9fe5b4 | 652 | if (!IamMasterProcess() && ppid > 1) { |
ca4b9ee6 DK |
653 | // notify master that we are shutting down |
654 | if (kill(ppid, SIGUSR1) < 0) | |
655 | debugs(1, DBG_IMPORTANT, "Failed to send SIGUSR1 to master process," | |
656 | " pid " << ppid << ": " << xstrerror()); | |
657 | } | |
658 | ||
7aa9bb3e | 659 | #if !_SQUID_WINDOWS_ |
a67d2b2e | 660 | #if KILL_PARENT_OPT |
62e76326 | 661 | |
bd9fe5b4 | 662 | if (!IamMasterProcess() && ppid > 1) { |
ca4b9ee6 | 663 | debugs(1, DBG_IMPORTANT, "Killing master process, pid " << ppid); |
62e76326 | 664 | |
ca4b9ee6 DK |
665 | if (kill(ppid, sig) < 0) |
666 | debugs(1, DBG_IMPORTANT, "kill " << ppid << ": " << xstrerror()); | |
88738790 | 667 | } |
62e76326 | 668 | |
0f658b5b | 669 | #endif /* KILL_PARENT_OPT */ |
6e40f263 | 670 | #if SA_RESETHAND == 0 |
671 | signal(SIGTERM, SIG_DFL); | |
62e76326 | 672 | |
6e40f263 | 673 | signal(SIGINT, SIG_DFL); |
62e76326 | 674 | |
a50bfe93 | 675 | #endif |
6e40f263 | 676 | #endif |
30a4f2a8 | 677 | } |
678 | ||
24382924 | 679 | static void |
9b7292ce | 680 | serverConnectionsOpen(void) |
681 | { | |
7de94c8c AR |
682 | if (IamPrimaryProcess()) { |
683 | #if USE_WCCP | |
5667a628 | 684 | wccpConnectionOpen(); |
7de94c8c | 685 | #endif |
45aae82b | 686 | |
7de94c8c AR |
687 | #if USE_WCCPv2 |
688 | ||
5667a628 | 689 | wccp2ConnectionOpen(); |
7de94c8c AR |
690 | #endif |
691 | } | |
095ec2b1 AR |
692 | // start various proxying services if we are responsible for them |
693 | if (IamWorkerProcess()) { | |
5667a628 | 694 | clientOpenListenSockets(); |
65d448bc | 695 | icpOpenPorts(); |
ace287ee | 696 | #if USE_HTCP |
65d448bc | 697 | htcpOpenPorts(); |
ace287ee | 698 | #endif |
a67d2b2e | 699 | #if SQUID_SNMP |
65d448bc | 700 | snmpOpenPorts(); |
320e9f36 | 701 | #endif |
0b0cfcf2 | 702 | |
5667a628 AR |
703 | icmpEngine.Open(); |
704 | netdbInit(); | |
705 | asnInit(); | |
706 | ACL::Initialize(); | |
707 | peerSelectInit(); | |
708 | ||
709 | carpInit(); | |
2f1431ea | 710 | #if USE_AUTH |
5667a628 | 711 | peerUserHashInit(); |
2f1431ea | 712 | #endif |
5667a628 | 713 | peerSourceHashInit(); |
7de94c8c | 714 | } |
5f3f8d0e | 715 | } |
716 | ||
d71e4674 | 717 | static void |
9b7292ce | 718 | serverConnectionsClose(void) |
719 | { | |
0a5a8601 | 720 | assert(shutting_down || reconfiguring); |
7de94c8c AR |
721 | |
722 | if (IamPrimaryProcess()) { | |
723 | #if USE_WCCP | |
724 | ||
5667a628 | 725 | wccpConnectionClose(); |
7de94c8c AR |
726 | #endif |
727 | #if USE_WCCPv2 | |
728 | ||
5667a628 | 729 | wccp2ConnectionClose(); |
7de94c8c AR |
730 | #endif |
731 | } | |
095ec2b1 | 732 | if (IamWorkerProcess()) { |
434a79b0 | 733 | clientConnectionsClose(); |
5667a628 | 734 | icpConnectionShutdown(); |
72549e05 | 735 | #if USE_HTCP |
5667a628 | 736 | htcpSocketShutdown(); |
72549e05 | 737 | #endif |
62e76326 | 738 | |
5667a628 | 739 | icmpEngine.Close(); |
a67d2b2e | 740 | #if SQUID_SNMP |
65d448bc | 741 | snmpClosePorts(); |
320e9f36 | 742 | #endif |
62e76326 | 743 | |
5667a628 | 744 | asnFreeMemory(); |
7de94c8c | 745 | } |
5f3f8d0e | 746 | } |
747 | ||
b8d8561b | 748 | static void |
d71e4674 | 749 | mainReconfigureStart(void) |
9b7292ce | 750 | { |
e0236918 | 751 | debugs(1, DBG_IMPORTANT, "Reconfiguring Squid Cache (version " << version_string << ")..."); |
5cd39a10 | 752 | reconfiguring = 1; |
d71e4674 AR |
753 | |
754 | // Initiate asynchronous closing sequence | |
15df8349 | 755 | serverConnectionsClose(); |
65d448bc | 756 | icpClosePorts(); |
72549e05 | 757 | #if USE_HTCP |
65d448bc | 758 | htcpClosePorts(); |
72549e05 | 759 | #endif |
74addf6c | 760 | dnsShutdown(); |
95d2589c CT |
761 | #if USE_SSL_CRTD |
762 | Ssl::Helper::GetInstance()->Shutdown(); | |
763 | #endif | |
cb4f4424 | 764 | #if USE_OPENSSL |
f54e3d4c AR |
765 | if (Ssl::CertValidationHelper::GetInstance()) |
766 | Ssl::CertValidationHelper::GetInstance()->Shutdown(); | |
95d2589c CT |
767 | Ssl::TheGlobalContextStorage.reconfigureStart(); |
768 | #endif | |
74addf6c | 769 | redirectShutdown(); |
2f1431ea | 770 | #if USE_AUTH |
0bcb6908 | 771 | authenticateReset(); |
2f1431ea | 772 | #endif |
d9572179 | 773 | externalAclShutdown(); |
2db68ce5 | 774 | storeDirCloseSwapLogs(); |
2e923080 | 775 | storeLogClose(); |
776 | accessLogClose(); | |
3ff65596 AR |
777 | #if ICAP_CLIENT |
778 | icapLogClose(); | |
779 | #endif | |
d71e4674 AR |
780 | |
781 | eventAdd("mainReconfigureFinish", &mainReconfigureFinish, NULL, 0, 1, | |
26ac0430 | 782 | false); |
d71e4674 AR |
783 | } |
784 | ||
785 | static void | |
26ac0430 AJ |
786 | mainReconfigureFinish(void *) |
787 | { | |
d71e4674 AR |
788 | debugs(1, 3, "finishing reconfiguring"); |
789 | ||
c68e9c6b | 790 | errorClean(); |
3aa4adbc | 791 | enter_suid(); /* root to read config file */ |
936b23cd AJ |
792 | |
793 | // we may have disabled the need for PURGE | |
e1381638 | 794 | if (Config2.onoff.enable_purge) |
936b23cd AJ |
795 | Config2.onoff.enable_purge = 2; |
796 | ||
18631119 | 797 | // parse the config returns a count of errors encountered. |
13aeac35 | 798 | const int oldWorkers = Config.workers; |
18631119 AJ |
799 | if ( parseConfigFile(ConfigFile) != 0) { |
800 | // for now any errors are a fatal condition... | |
801 | self_destruct(); | |
802 | } | |
13aeac35 AR |
803 | if (oldWorkers != Config.workers) { |
804 | debugs(1, DBG_CRITICAL, "WARNING: Changing 'workers' (from " << | |
5667a628 | 805 | oldWorkers << " to " << Config.workers << |
0b68976e | 806 | ") requires a full restart. It has been ignored by reconfigure."); |
13aeac35 | 807 | Config.workers = oldWorkers; |
a2c48c98 | 808 | } |
936b23cd | 809 | |
21b7990f AR |
810 | RunRegisteredHere(RegisteredRunner::syncConfig); |
811 | ||
96c2bb61 AR |
812 | if (IamPrimaryProcess()) |
813 | CpuAffinityCheck(); | |
814 | CpuAffinityReconfigure(); | |
815 | ||
c642c141 | 816 | setUmask(Config.umask); |
97244680 | 817 | Mem::Report(); |
3aa4adbc | 818 | setEffectiveUser(); |
62493678 | 819 | _db_init(Debug::cache_log, Debug::debugOptions); |
429fdbec | 820 | ipcache_restart(); /* clear stuck entries */ |
821 | fqdncache_restart(); /* sigh, fqdncache too */ | |
0e70aa1e | 822 | parseEtcHosts(); |
53ad48e6 | 823 | errorInitialize(); /* reload error pages */ |
2e923080 | 824 | accessLogInit(); |
76fc7e57 AJ |
825 | |
826 | #if USE_LOADABLE_MODULES | |
827 | LoadableModulesConfigure(Config.loadable_module_names); | |
828 | #endif | |
829 | ||
830 | #if USE_ADAPTATION | |
831 | bool enableAdaptation = false; | |
832 | #if ICAP_CLIENT | |
833 | Adaptation::Icap::TheConfig.finalize(); | |
834 | enableAdaptation = Adaptation::Icap::TheConfig.onoff || enableAdaptation; | |
835 | #endif | |
836 | #if USE_ECAP | |
837 | Adaptation::Ecap::TheConfig.finalize(); // must be after we load modules | |
838 | enableAdaptation = Adaptation::Ecap::TheConfig.onoff || enableAdaptation; | |
839 | #endif | |
840 | Adaptation::Config::Finalize(enableAdaptation); | |
841 | #endif | |
d090e020 | 842 | |
3ff65596 AR |
843 | #if ICAP_CLIENT |
844 | icapLogOpen(); | |
845 | #endif | |
2e923080 | 846 | storeLogOpen(); |
74addf6c | 847 | dnsInit(); |
95d2589c CT |
848 | #if USE_SSL_CRTD |
849 | Ssl::Helper::GetInstance()->Init(); | |
850 | #endif | |
cb4f4424 | 851 | #if USE_OPENSSL |
2cef0ca6 AR |
852 | if (Ssl::CertValidationHelper::GetInstance()) |
853 | Ssl::CertValidationHelper::GetInstance()->Init(); | |
854 | #endif | |
62e76326 | 855 | |
74addf6c | 856 | redirectInit(); |
2f1431ea | 857 | #if USE_AUTH |
5817ee13 | 858 | authenticateInit(&Auth::TheConfig); |
2f1431ea | 859 | #endif |
d9572179 | 860 | externalAclInit(); |
7de94c8c AR |
861 | |
862 | if (IamPrimaryProcess()) { | |
1f38f50a | 863 | #if USE_WCCP |
62e76326 | 864 | |
5667a628 | 865 | wccpInit(); |
1f38f50a | 866 | #endif |
0b0cfcf2 | 867 | #if USE_WCCPv2 |
868 | ||
5667a628 | 869 | wccp2Init(); |
0b0cfcf2 | 870 | #endif |
7de94c8c | 871 | } |
62e76326 | 872 | |
0ffd22bc | 873 | serverConnectionsOpen(); |
9c2e9b50 | 874 | |
3ee2b4f8 | 875 | neighbors_init(); |
9c2e9b50 | 876 | |
2db68ce5 | 877 | storeDirOpenSwapLogs(); |
9c2e9b50 | 878 | |
9c021a38 | 879 | mimeInit(Config.mimeTablePathname); |
9c2e9b50 | 880 | |
c521ad17 DK |
881 | if (unlinkdNeeded()) |
882 | unlinkdInit(); | |
c521ad17 | 883 | |
9a0a18de | 884 | #if USE_DELAY_POOLS |
b4cd430a CT |
885 | Config.ClientDelay.finalize(); |
886 | #endif | |
887 | ||
926375e6 | 888 | if (Config.onoff.announce) { |
889 | if (!eventFind(start_announce, NULL)) | |
890 | eventAdd("start_announce", start_announce, NULL, 3600.0, 1); | |
891 | } else { | |
892 | if (eventFind(start_announce, NULL)) | |
893 | eventDelete(start_announce, NULL); | |
894 | } | |
895 | ||
b8890359 | 896 | writePidFile(); /* write PID file */ |
9c2e9b50 | 897 | |
5cd39a10 | 898 | reconfiguring = 0; |
899 | } | |
900 | ||
901 | static void | |
9b7292ce | 902 | mainRotate(void) |
903 | { | |
cc192b50 | 904 | icmpEngine.Close(); |
e40aa8da | 905 | redirectShutdown(); |
2f1431ea | 906 | #if USE_AUTH |
0bcb6908 | 907 | authenticateRotate(); |
2f1431ea | 908 | #endif |
d9572179 | 909 | externalAclShutdown(); |
0a6dd8fb | 910 | |
5cd39a10 | 911 | _db_rotate_log(); /* cache.log */ |
912 | storeDirWriteCleanLogs(1); | |
913 | storeLogRotate(); /* store.log */ | |
914 | accessLogRotate(); /* access.log */ | |
3ff65596 AR |
915 | #if ICAP_CLIENT |
916 | icapLogRotate(); /*icap.log*/ | |
917 | #endif | |
cc192b50 | 918 | icmpEngine.Open(); |
e40aa8da | 919 | redirectInit(); |
2f1431ea | 920 | #if USE_AUTH |
5817ee13 | 921 | authenticateInit(&Auth::TheConfig); |
2f1431ea | 922 | #endif |
d9572179 | 923 | externalAclInit(); |
5f3f8d0e | 924 | } |
925 | ||
067bea91 | 926 | static void |
9b7292ce | 927 | setEffectiveUser(void) |
928 | { | |
fc68f6b1 | 929 | keepCapabilities(); |
85407535 | 930 | leave_suid(); /* Run as non privilegied user */ |
1191b93b | 931 | #if _SQUID_OS2_ |
62e76326 | 932 | |
cd377065 | 933 | return; |
934 | #endif | |
62e76326 | 935 | |
85407535 | 936 | if (geteuid() == 0) { |
fa84c01d FC |
937 | debugs(0, DBG_CRITICAL, "Squid is not safe to run as root! If you must"); |
938 | debugs(0, DBG_CRITICAL, "start Squid as root, then you must configure"); | |
939 | debugs(0, DBG_CRITICAL, "it to run as a non-priveledged user with the"); | |
940 | debugs(0, DBG_CRITICAL, "'cache_effective_user' option in the config file."); | |
62e76326 | 941 | fatal("Don't run Squid as root, set 'cache_effective_user'!"); |
85407535 | 942 | } |
943 | } | |
944 | ||
dd0cbc64 AR |
945 | /// changes working directory, providing error reporting |
946 | static bool | |
947 | mainChangeDir(const char *dir) | |
948 | { | |
949 | if (chdir(dir) == 0) | |
950 | return true; | |
951 | ||
952 | debugs(50, DBG_CRITICAL, "cannot change current directory to " << dir << | |
953 | ": " << xstrerror()); | |
954 | return false; | |
955 | } | |
956 | ||
133906f5 | 957 | /// set the working directory. |
b6a2f15e | 958 | static void |
9b7292ce | 959 | mainSetCwd(void) |
960 | { | |
133906f5 | 961 | static bool chrooted = false; |
133906f5 AJ |
962 | if (Config.chroot_dir && !chrooted) { |
963 | chrooted = true; | |
62e76326 | 964 | |
dd0cbc64 AR |
965 | if (chroot(Config.chroot_dir) != 0) |
966 | fatalf("chroot to %s failed: %s", Config.chroot_dir, xstrerror()); | |
133906f5 | 967 | |
dd0cbc64 AR |
968 | if (!mainChangeDir("/")) |
969 | fatalf("chdir to / after chroot to %s failed", Config.chroot_dir); | |
133906f5 AJ |
970 | } |
971 | ||
dd0cbc64 AR |
972 | if (Config.coredump_dir && strcmp("none", Config.coredump_dir) != 0) { |
973 | if (mainChangeDir(Config.coredump_dir)) { | |
e0236918 | 974 | debugs(0, DBG_IMPORTANT, "Set Current Directory to " << Config.coredump_dir); |
62e76326 | 975 | return; |
62e76326 | 976 | } |
b6a2f15e | 977 | } |
62e76326 | 978 | |
02e8115e | 979 | /* If we don't have coredump_dir or couldn't cd there, report current dir */ |
dd0cbc64 | 980 | char pathbuf[MAXPATHLEN]; |
4a504376 | 981 | if (getcwd(pathbuf, MAXPATHLEN)) { |
e0236918 | 982 | debugs(0, DBG_IMPORTANT, "Current Directory is " << pathbuf); |
4a504376 | 983 | } else { |
fa84c01d | 984 | debugs(50, DBG_CRITICAL, "WARNING: Can't find current directory, getcwd: " << xstrerror()); |
4a504376 | 985 | } |
b6a2f15e | 986 | } |
987 | ||
b8d8561b | 988 | static void |
9b7292ce | 989 | mainInitialize(void) |
990 | { | |
efd900cb | 991 | /* chroot if configured to run inside chroot */ |
133906f5 | 992 | mainSetCwd(); |
62e76326 | 993 | |
1758c627 | 994 | if (opt_catch_signals) { |
62e76326 | 995 | squid_signal(SIGSEGV, death, SA_NODEFER | SA_RESETHAND); |
996 | squid_signal(SIGBUS, death, SA_NODEFER | SA_RESETHAND); | |
44f99671 | 997 | } |
62e76326 | 998 | |
30a4f2a8 | 999 | squid_signal(SIGPIPE, SIG_IGN, SA_RESTART); |
1000 | squid_signal(SIGCHLD, sig_child, SA_NODEFER | SA_RESTART); | |
44f99671 | 1001 | |
85407535 | 1002 | setEffectiveUser(); |
62e76326 | 1003 | |
30a4f2a8 | 1004 | if (icpPortNumOverride != 1) |
f45dd259 | 1005 | Config.Port.icp = (unsigned short) icpPortNumOverride; |
30a4f2a8 | 1006 | |
62493678 | 1007 | _db_init(Debug::cache_log, Debug::debugOptions); |
62e76326 | 1008 | |
62493678 | 1009 | fd_open(fileno(debug_log), FD_LOG, Debug::cache_log); |
62e76326 | 1010 | |
fa84c01d | 1011 | debugs(1, DBG_CRITICAL, "Starting Squid Cache version " << version_string << " for " << CONFIG_HOST_TYPE << "..."); |
cf2155f2 | 1012 | debugs(1, DBG_CRITICAL, "Service Name: " << service_name); |
62e76326 | 1013 | |
be266cb2 | 1014 | #if _SQUID_WINDOWS_ |
b293c4d8 | 1015 | if (WIN32_run_mode == _WIN_SQUID_RUN_MODE_SERVICE) { |
fa84c01d | 1016 | debugs(1, DBG_CRITICAL, "Service command line is: " << WIN32_Service_Command_Line); |
b293c4d8 | 1017 | } else |
fa84c01d | 1018 | debugs(1, DBG_CRITICAL, "Running on " << WIN32_OS_string); |
b293c4d8 | 1019 | #endif |
1020 | ||
e0236918 | 1021 | debugs(1, DBG_IMPORTANT, "Process ID " << getpid()); |
095ec2b1 | 1022 | |
e0236918 | 1023 | debugs(1, DBG_IMPORTANT, "Process Roles:" << ProcessRoles()); |
095ec2b1 | 1024 | |
f3f0f563 | 1025 | setSystemLimits(); |
e0236918 | 1026 | debugs(1, DBG_IMPORTANT, "With " << Squid_MaxFD << " file descriptors available"); |
5f3f8d0e | 1027 | |
7aa9bb3e | 1028 | #if _SQUID_WINDOWS_ |
6c1962dd | 1029 | |
e0236918 | 1030 | debugs(1, DBG_IMPORTANT, "With " << _getmaxstdio() << " CRT stdio descriptors available"); |
6c1962dd | 1031 | |
1032 | if (WIN32_Socks_initialized) | |
e0236918 | 1033 | debugs(1, DBG_IMPORTANT, "Windows sockets initialized"); |
6c1962dd | 1034 | |
babd1fd5 | 1035 | if (WIN32_OS_version > _WIN_OS_WINNT) { |
26ac0430 | 1036 | WIN32_IpAddrChangeMonitorInit(); |
babd1fd5 | 1037 | } |
1038 | ||
6c1962dd | 1039 | #endif |
1040 | ||
9f75c559 | 1041 | if (!configured_once) |
62e76326 | 1042 | disk_init(); /* disk_init must go before ipcache_init() */ |
1043 | ||
5f3f8d0e | 1044 | ipcache_init(); |
62e76326 | 1045 | |
f88bb09c | 1046 | fqdncache_init(); |
62e76326 | 1047 | |
0e70aa1e | 1048 | parseEtcHosts(); |
62e76326 | 1049 | |
74addf6c | 1050 | dnsInit(); |
62e76326 | 1051 | |
586089cd CT |
1052 | #if USE_SSL_CRTD |
1053 | Ssl::Helper::GetInstance()->Init(); | |
1054 | #endif | |
1055 | ||
cb4f4424 | 1056 | #if USE_OPENSSL |
10a69fc0 CT |
1057 | if (!configured_once) |
1058 | Ssl::initialize_session_cache(); | |
1059 | ||
2cef0ca6 AR |
1060 | if (Ssl::CertValidationHelper::GetInstance()) |
1061 | Ssl::CertValidationHelper::GetInstance()->Init(); | |
1062 | #endif | |
1063 | ||
74addf6c | 1064 | redirectInit(); |
2f1431ea | 1065 | #if USE_AUTH |
5817ee13 | 1066 | authenticateInit(&Auth::TheConfig); |
2f1431ea | 1067 | #endif |
d9572179 | 1068 | externalAclInit(); |
62e76326 | 1069 | |
2ac76861 | 1070 | httpHeaderInitModule(); /* must go before any header processing (e.g. the one in errorInitialize) */ |
62e76326 | 1071 | |
2246b732 | 1072 | httpReplyInitModule(); /* must go before accepting replies */ |
62e76326 | 1073 | |
9b312a19 | 1074 | errorInitialize(); |
62e76326 | 1075 | |
7a2f978b | 1076 | accessLogInit(); |
62e76326 | 1077 | |
e1381638 | 1078 | #if ICAP_CLIENT |
3ff65596 AR |
1079 | icapLogOpen(); |
1080 | #endif | |
1081 | ||
3898f57f | 1082 | #if USE_IDENT |
4daaf3cb | 1083 | Ident::Init(); |
3898f57f | 1084 | #endif |
4daaf3cb | 1085 | |
59ad6d31 | 1086 | #if SQUID_SNMP |
62e76326 | 1087 | |
5e14bf6d | 1088 | snmpInit(); |
62e76326 | 1089 | |
5e14bf6d | 1090 | #endif |
30a4f2a8 | 1091 | #if MALLOC_DBG |
62e76326 | 1092 | |
5f3f8d0e | 1093 | malloc_debug(0, malloc_debug_level); |
62e76326 | 1094 | |
5f3f8d0e | 1095 | #endif |
1096 | ||
dbe4fd8e | 1097 | if (!configured_once) { |
c521ad17 DK |
1098 | if (unlinkdNeeded()) |
1099 | unlinkdInit(); | |
62e76326 | 1100 | |
1101 | urlInitialize(); | |
62e76326 | 1102 | statInit(); |
1103 | storeInit(); | |
1104 | mainSetCwd(); | |
62e76326 | 1105 | mimeInit(Config.mimeTablePathname); |
62e76326 | 1106 | refreshInit(); |
9a0a18de | 1107 | #if USE_DELAY_POOLS |
62e76326 | 1108 | DelayPools::Init(); |
0d7e5d78 | 1109 | #endif |
62e76326 | 1110 | |
b6b6f466 | 1111 | FwdState::initModule(); |
62ee09ca | 1112 | /* register the modules in the cache manager menus */ |
62ee09ca | 1113 | |
a08f1b5a | 1114 | cbdataRegisterWithCacheManager(); |
62ee09ca | 1115 | /* These use separate calls so that the comm loops can eventually |
1116 | * coexist. | |
1117 | */ | |
62ee09ca | 1118 | |
15b3c0d7 | 1119 | eventInit(); |
610ee341 | 1120 | |
26ac0430 | 1121 | // TODO: pconn is a good candidate for new-style registration |
6852be71 | 1122 | // PconnModule::GetInstance()->registerWithCacheManager(); |
26ac0430 | 1123 | // moved to PconnModule::PconnModule() |
5f3f8d0e | 1124 | } |
62e76326 | 1125 | |
7de94c8c | 1126 | if (IamPrimaryProcess()) { |
1f38f50a | 1127 | #if USE_WCCP |
5667a628 | 1128 | wccpInit(); |
62e76326 | 1129 | |
0b0cfcf2 | 1130 | #endif |
1131 | #if USE_WCCPv2 | |
1132 | ||
5667a628 | 1133 | wccp2Init(); |
0b0cfcf2 | 1134 | |
1f38f50a | 1135 | #endif |
7de94c8c | 1136 | } |
62e76326 | 1137 | |
2285407f | 1138 | serverConnectionsOpen(); |
62e76326 | 1139 | |
3ee2b4f8 | 1140 | neighbors_init(); |
fc68f6b1 | 1141 | |
5f5e883f | 1142 | // neighborsRegisterWithCacheManager(); //moved to neighbors_init() |
62e76326 | 1143 | |
efd900cb | 1144 | if (Config.chroot_dir) |
62e76326 | 1145 | no_suid(); |
1146 | ||
dbe4fd8e | 1147 | if (!configured_once) |
62e76326 | 1148 | writePidFile(); /* write PID file */ |
0a5b9b32 | 1149 | |
605f2c3e | 1150 | #if defined(_SQUID_LINUX_THREADS_) |
62e76326 | 1151 | |
e3175d1f | 1152 | squid_signal(SIGQUIT, rotate_logs, SA_RESTART); |
62e76326 | 1153 | |
e3175d1f | 1154 | squid_signal(SIGTRAP, sigusr2_handle, SA_RESTART); |
62e76326 | 1155 | |
e3175d1f | 1156 | #else |
62e76326 | 1157 | |
30a4f2a8 | 1158 | squid_signal(SIGUSR1, rotate_logs, SA_RESTART); |
62e76326 | 1159 | |
30a4f2a8 | 1160 | squid_signal(SIGUSR2, sigusr2_handle, SA_RESTART); |
62e76326 | 1161 | |
9fc0b4b8 | 1162 | #endif |
62e76326 | 1163 | |
30a4f2a8 | 1164 | squid_signal(SIGHUP, reconfigure, SA_RESTART); |
62e76326 | 1165 | |
30a4f2a8 | 1166 | squid_signal(SIGTERM, shut_down, SA_NODEFER | SA_RESETHAND | SA_RESTART); |
62e76326 | 1167 | |
30a4f2a8 | 1168 | squid_signal(SIGINT, shut_down, SA_NODEFER | SA_RESETHAND | SA_RESTART); |
62e76326 | 1169 | |
ae1feb30 | 1170 | #ifdef SIGTTIN |
1171 | ||
1172 | squid_signal(SIGTTIN, shut_down, SA_NODEFER | SA_RESETHAND | SA_RESTART); | |
1173 | ||
1174 | #endif | |
1175 | ||
58a39dc9 | 1176 | memCheckInit(); |
62e76326 | 1177 | |
57afc994 AR |
1178 | #if USE_LOADABLE_MODULES |
1179 | LoadableModulesConfigure(Config.loadable_module_names); | |
1180 | #endif | |
1181 | ||
8f361c50 AR |
1182 | #if USE_ADAPTATION |
1183 | bool enableAdaptation = false; | |
1184 | ||
1185 | // We can remove this dependency on specific adaptation mechanisms | |
1186 | // if we create a generic Registry of such mechanisms. Should we? | |
b958cb0f | 1187 | #if ICAP_CLIENT |
26cc52cb AR |
1188 | Adaptation::Icap::TheConfig.finalize(); |
1189 | enableAdaptation = Adaptation::Icap::TheConfig.onoff || enableAdaptation; | |
6e5db507 AR |
1190 | #endif |
1191 | #if USE_ECAP | |
574b508c AR |
1192 | Adaptation::Ecap::TheConfig.finalize(); // must be after we load modules |
1193 | enableAdaptation = Adaptation::Ecap::TheConfig.onoff || enableAdaptation; | |
b958cb0f | 1194 | #endif |
8f361c50 AR |
1195 | // must be the last adaptation-related finalize |
1196 | Adaptation::Config::Finalize(enableAdaptation); | |
b958cb0f AR |
1197 | #endif |
1198 | ||
79039294 AR |
1199 | #if USE_SQUID_ESI |
1200 | Esi::Init(); | |
1201 | #endif | |
b958cb0f | 1202 | |
9a0a18de | 1203 | #if USE_DELAY_POOLS |
b4cd430a CT |
1204 | Config.ClientDelay.finalize(); |
1205 | #endif | |
1206 | ||
dbe4fd8e | 1207 | if (!configured_once) { |
c8f4eac4 | 1208 | eventAdd("storeMaintain", Store::Maintain, NULL, 1.0, 1); |
62e76326 | 1209 | |
1210 | if (Config.onoff.announce) | |
1211 | eventAdd("start_announce", start_announce, NULL, 3600.0, 1); | |
1212 | ||
1213 | eventAdd("ipcache_purgelru", ipcache_purgelru, NULL, 10.0, 1); | |
1214 | ||
1215 | eventAdd("fqdncache_purgelru", fqdncache_purgelru, NULL, 15.0, 1); | |
1216 | ||
88bfe092 | 1217 | #if USE_XPROF_STATS |
62e76326 | 1218 | |
1219 | eventAdd("cpuProfiling", xprof_event, NULL, 1.0, 1); | |
1220 | ||
88bfe092 | 1221 | #endif |
62e76326 | 1222 | |
1223 | eventAdd("memPoolCleanIdlePools", Mem::CleanIdlePools, NULL, 15.0, 1); | |
4d7add01 | 1224 | } |
62e76326 | 1225 | |
dbe4fd8e | 1226 | configured_once = 1; |
4d64d74a | 1227 | } |
1228 | ||
c842329d | 1229 | /// unsafe main routine -- may throw |
f3f3e961 | 1230 | int SquidMain(int argc, char **argv); |
c842329d | 1231 | /// unsafe main routine wrapper to catch exceptions |
6e5db507 AR |
1232 | static int SquidMainSafe(int argc, char **argv); |
1233 | ||
6c1962dd | 1234 | #if USE_WIN32_SERVICE |
1235 | /* When USE_WIN32_SERVICE is defined, the main function is placed in win32.cc */ | |
1236 | extern "C" void WINAPI | |
e1381638 | 1237 | SquidWinSvcMain(int argc, char **argv) |
18631119 AJ |
1238 | { |
1239 | SquidMainSafe(argc, argv); | |
1240 | } | |
6c1962dd | 1241 | #else |
b8d8561b | 1242 | int |
1243 | main(int argc, char **argv) | |
6e5db507 | 1244 | { |
18631119 | 1245 | return SquidMainSafe(argc, argv); |
6e5db507 | 1246 | } |
18631119 | 1247 | #endif |
6e5db507 AR |
1248 | |
1249 | static int | |
1250 | SquidMainSafe(int argc, char **argv) | |
1251 | { | |
1252 | try { | |
1253 | return SquidMain(argc, argv); | |
26ac0430 | 1254 | } catch (const std::exception &e) { |
51618c6a | 1255 | debugs(1, DBG_CRITICAL, "FATAL: dying from an unhandled exception: " << |
9199139f | 1256 | e.what()); |
26ac0430 AJ |
1257 | throw; |
1258 | } catch (...) { | |
51618c6a | 1259 | debugs(1, DBG_CRITICAL, "FATAL: dying from an unhandled exception."); |
26ac0430 AJ |
1260 | throw; |
1261 | } | |
1262 | return -1; // not reached | |
6e5db507 AR |
1263 | } |
1264 | ||
d4a3e179 AR |
1265 | /// computes name and ID for the current kid process |
1266 | static void | |
1267 | ConfigureCurrentKid(const char *processName) | |
1268 | { | |
5667a628 | 1269 | // kids are marked with parenthesis around their process names |
d4a3e179 AR |
1270 | if (processName && processName[0] == '(') { |
1271 | if (const char *idStart = strrchr(processName, '-')) { | |
1272 | KidIdentifier = atoi(idStart + 1); | |
9de6c973 AR |
1273 | const size_t nameLen = idStart - (processName + 1); |
1274 | assert(nameLen < sizeof(TheKidName)); | |
1275 | xstrncpy(TheKidName, processName + 1, nameLen + 1); | |
095ec2b1 AR |
1276 | if (!strcmp(TheKidName, "squid-coord")) |
1277 | TheProcessKind = pkCoordinator; | |
9199139f | 1278 | else if (!strcmp(TheKidName, "squid")) |
095ec2b1 | 1279 | TheProcessKind = pkWorker; |
9199139f | 1280 | else if (!strcmp(TheKidName, "squid-disk")) |
095ec2b1 AR |
1281 | TheProcessKind = pkDisker; |
1282 | else | |
1283 | TheProcessKind = pkOther; // including coordinator | |
d4a3e179 | 1284 | } |
2664c457 | 1285 | } else { |
9de6c973 | 1286 | xstrncpy(TheKidName, APP_SHORTNAME, sizeof(TheKidName)); |
2664c457 | 1287 | KidIdentifier = 0; |
d4a3e179 | 1288 | } |
d4a3e179 AR |
1289 | } |
1290 | ||
f3f3e961 | 1291 | int |
6e5db507 | 1292 | SquidMain(int argc, char **argv) |
9b7292ce | 1293 | { |
d4a3e179 | 1294 | ConfigureCurrentKid(argv[0]); |
007d775d | 1295 | |
fb6a61d1 | 1296 | Debug::parseOptions(NULL); |
9b7292ce | 1297 | debug_log = stderr; |
62e76326 | 1298 | |
b9269882 | 1299 | #if defined(SQUID_MAXFD_LIMIT) |
1300 | ||
1301 | if (SQUID_MAXFD_LIMIT < Squid_MaxFD) | |
1302 | Squid_MaxFD = SQUID_MAXFD_LIMIT; | |
1303 | ||
1304 | #endif | |
399e85ea | 1305 | |
cf3edd6f FC |
1306 | /* NOP under non-windows */ |
1307 | int WIN32_init_err=0; | |
a0aa9e74 | 1308 | if ((WIN32_init_err = WIN32_Subsystem_Init(&argc, &argv))) |
1309 | return WIN32_init_err; | |
0e6d05ef | 1310 | |
9b7292ce | 1311 | /* call mallopt() before anything else */ |
0b29fe44 | 1312 | #if HAVE_MALLOPT |
7328e889 | 1313 | #ifdef M_GRAIN |
9b7292ce | 1314 | /* Round up all sizes to a multiple of this */ |
1315 | mallopt(M_GRAIN, 16); | |
62e76326 | 1316 | |
7328e889 | 1317 | #endif |
1318 | #ifdef M_MXFAST | |
9b7292ce | 1319 | /* biggest size that is considered a small block */ |
1320 | mallopt(M_MXFAST, 256); | |
62e76326 | 1321 | |
7328e889 | 1322 | #endif |
1323 | #ifdef M_NBLKS | |
9b7292ce | 1324 | /* allocate this many small blocks at once */ |
1325 | mallopt(M_NLBLKS, 32); | |
62e76326 | 1326 | |
7328e889 | 1327 | #endif |
1328 | #endif /* HAVE_MALLOPT */ | |
1329 | ||
9b7292ce | 1330 | squid_srandom(time(NULL)); |
4d64d74a | 1331 | |
9b7292ce | 1332 | getCurrentTime(); |
62e76326 | 1333 | |
9b7292ce | 1334 | squid_start = current_time; |
62e76326 | 1335 | |
9b7292ce | 1336 | failure_notify = fatal_dump; |
4d64d74a | 1337 | |
6c1962dd | 1338 | #if USE_WIN32_SERVICE |
1339 | ||
9b7292ce | 1340 | WIN32_svcstatusupdate(SERVICE_START_PENDING, 10000); |
6c1962dd | 1341 | |
1342 | #endif | |
1343 | ||
9b7292ce | 1344 | mainParseOptions(argc, argv); |
4d64d74a | 1345 | |
9aae6be3 | 1346 | if (opt_parse_cfg_only) { |
26ac0430 | 1347 | Debug::parseOptions("ALL,1"); |
9aae6be3 | 1348 | } |
1349 | ||
6c1962dd | 1350 | #if USE_WIN32_SERVICE |
1351 | ||
26ac0430 | 1352 | if (opt_install_service) { |
9b7292ce | 1353 | WIN32_InstallService(); |
a0aa9e74 | 1354 | return 0; |
9b7292ce | 1355 | } |
6c1962dd | 1356 | |
26ac0430 | 1357 | if (opt_remove_service) { |
9b7292ce | 1358 | WIN32_RemoveService(); |
a0aa9e74 | 1359 | return 0; |
9b7292ce | 1360 | } |
6c1962dd | 1361 | |
26ac0430 | 1362 | if (opt_command_line) { |
9b7292ce | 1363 | WIN32_SetServiceCommandLine(); |
a0aa9e74 | 1364 | return 0; |
9b7292ce | 1365 | } |
6c1962dd | 1366 | |
1367 | #endif | |
1368 | ||
9b7292ce | 1369 | /* parse configuration file |
1370 | * note: in "normal" case this used to be called from mainInitialize() */ | |
1371 | { | |
1372 | int parse_err; | |
62e76326 | 1373 | |
9b7292ce | 1374 | if (!ConfigFile) |
1375 | ConfigFile = xstrdup(DefaultConfigFile); | |
62e76326 | 1376 | |
9b7292ce | 1377 | assert(!configured_once); |
62e76326 | 1378 | |
9b7292ce | 1379 | Mem::Init(); |
62e76326 | 1380 | |
9b7292ce | 1381 | storeFsInit(); /* required for config parsing */ |
62e76326 | 1382 | |
7b5b7ba8 | 1383 | /* TODO: call the FS::Clean() in shutdown to do Fs cleanups */ |
af6a12ee | 1384 | Fs::Init(); |
7b5b7ba8 | 1385 | |
b9ae18aa | 1386 | /* May not be needed for parsing, have not audited for such */ |
1387 | DiskIOModule::SetupAllModules(); | |
1388 | ||
59b2d47f | 1389 | /* Shouldn't be needed for config parsing, but have not audited for such */ |
1390 | StoreFileSystem::SetupAllFs(); | |
1391 | ||
c8f4eac4 | 1392 | /* we may want the parsing process to set this up in the future */ |
1393 | Store::Root(new StoreController); | |
89736861 | 1394 | Auth::Init(); /* required for config parsing. NOP if !USE_AUTH */ |
055421ee AJ |
1395 | Ip::ProbeTransport(); // determine IPv4 or IPv6 capabilities before parsing. |
1396 | ||
31971e6a AJ |
1397 | Format::Token::Init(); // XXX: temporary. Use a runners registry of pre-parse runners instead. |
1398 | ||
dd9b1081 | 1399 | parse_err = parseConfigFile(ConfigFile); |
62e76326 | 1400 | |
97244680 | 1401 | Mem::Report(); |
26ac0430 | 1402 | |
18631119 | 1403 | if (opt_parse_cfg_only || parse_err > 0) |
9b7292ce | 1404 | return parse_err; |
9b7292ce | 1405 | } |
c642c141 | 1406 | setUmask(Config.umask); |
9b7292ce | 1407 | if (-1 == opt_send_signal) |
1408 | if (checkRunningPid()) | |
205d7c3b | 1409 | exit(0); |
e13ee7ad | 1410 | |
9bc73deb | 1411 | #if TEST_ACCESS |
62e76326 | 1412 | |
95564b0d | 1413 | comm_init(); |
62e76326 | 1414 | |
9b7292ce | 1415 | mainInitialize(); |
62e76326 | 1416 | |
9b7292ce | 1417 | test_access(); |
62e76326 | 1418 | |
9b7292ce | 1419 | return 0; |
62e76326 | 1420 | |
9bc73deb | 1421 | #endif |
1422 | ||
9b7292ce | 1423 | /* send signal to running copy and exit */ |
26ac0430 | 1424 | if (opt_send_signal != -1) { |
9b7292ce | 1425 | /* chroot if configured to run inside chroot */ |
133906f5 | 1426 | mainSetCwd(); |
a572d8be | 1427 | if (Config.chroot_dir) { |
a572d8be | 1428 | no_suid(); |
1429 | } else { | |
1430 | leave_suid(); | |
9b7292ce | 1431 | } |
62e76326 | 1432 | |
9b7292ce | 1433 | sendSignal(); |
1434 | /* NOTREACHED */ | |
1435 | } | |
62e76326 | 1436 | |
6d57128b | 1437 | debugs(1,2, HERE << "Doing post-config initialization\n"); |
520e0073 | 1438 | leave_suid(); |
21b7990f AR |
1439 | RunRegisteredHere(RegisteredRunner::finalizeConfig); |
1440 | RunRegisteredHere(RegisteredRunner::claimMemoryNeeds); | |
1441 | RunRegisteredHere(RegisteredRunner::useConfig); | |
520e0073 | 1442 | enter_suid(); |
9487bae9 | 1443 | |
2ae5c85f AJ |
1444 | if (!opt_no_daemon && Config.workers > 0) |
1445 | watch_child(argv); | |
1446 | ||
26ac0430 | 1447 | if (opt_create_swap_dirs) { |
9b7292ce | 1448 | /* chroot if configured to run inside chroot */ |
133906f5 | 1449 | mainSetCwd(); |
62e76326 | 1450 | |
9b7292ce | 1451 | setEffectiveUser(); |
04632397 | 1452 | debugs(0, DBG_CRITICAL, "Creating missing swap directories"); |
c8f4eac4 | 1453 | Store::Root().create(); |
6c1962dd | 1454 | |
9b7292ce | 1455 | return 0; |
9b7292ce | 1456 | } |
62e76326 | 1457 | |
96c2bb61 AR |
1458 | if (IamPrimaryProcess()) |
1459 | CpuAffinityCheck(); | |
1460 | CpuAffinityInit(); | |
1461 | ||
95564b0d | 1462 | setMaxFD(); |
1463 | ||
1464 | /* init comm module */ | |
1465 | comm_init(); | |
62e76326 | 1466 | |
26ac0430 | 1467 | if (opt_no_daemon) { |
9b7292ce | 1468 | /* we have to init fdstat here. */ |
1469 | fd_open(0, FD_LOG, "stdin"); | |
1470 | fd_open(1, FD_LOG, "stdout"); | |
1471 | fd_open(2, FD_LOG, "stderr"); | |
1472 | } | |
62e76326 | 1473 | |
6c1962dd | 1474 | #if USE_WIN32_SERVICE |
1475 | ||
9b7292ce | 1476 | WIN32_svcstatusupdate(SERVICE_START_PENDING, 10000); |
6c1962dd | 1477 | |
1478 | #endif | |
1479 | ||
9b7292ce | 1480 | mainInitialize(); |
4d64d74a | 1481 | |
6c1962dd | 1482 | #if USE_WIN32_SERVICE |
1483 | ||
9b7292ce | 1484 | WIN32_svcstatusupdate(SERVICE_RUNNING, 0); |
6c1962dd | 1485 | |
1486 | #endif | |
1487 | ||
9b7292ce | 1488 | /* main loop */ |
a553a5a3 | 1489 | EventLoop mainLoop; |
62e76326 | 1490 | |
0a720258 | 1491 | SignalEngine signalEngine; |
6c1962dd | 1492 | |
9688b0ae | 1493 | mainLoop.registerEngine(&signalEngine); |
62e76326 | 1494 | |
8ff3fa2e | 1495 | /* TODO: stop requiring the singleton here */ |
1496 | mainLoop.registerEngine(EventScheduler::GetInstance()); | |
62e76326 | 1497 | |
8ff3fa2e | 1498 | StoreRootEngine store_engine; |
615f9581 | 1499 | |
8ff3fa2e | 1500 | mainLoop.registerEngine(&store_engine); |
a774fd3f | 1501 | |
8ff3fa2e | 1502 | CommSelectEngine comm_engine; |
1503 | ||
8ff3fa2e | 1504 | mainLoop.registerEngine(&comm_engine); |
1505 | ||
bef81ea5 | 1506 | mainLoop.setPrimaryEngine(&comm_engine); |
1507 | ||
8ff3fa2e | 1508 | /* use the standard time service */ |
1509 | TimeEngine time_engine; | |
1510 | ||
1511 | mainLoop.setTimeService(&time_engine); | |
1512 | ||
7de94c8c | 1513 | if (IamCoordinatorProcess()) |
4299f876 | 1514 | AsyncJob::Start(Ipc::Coordinator::Instance()); |
095ec2b1 | 1515 | else if (UsingSmp() && (IamWorkerProcess() || IamDiskProcess())) |
4299f876 | 1516 | AsyncJob::Start(new Ipc::Strand); |
10cefb7b | 1517 | |
48d54e4d AJ |
1518 | /* at this point we are finished the synchronous startup. */ |
1519 | starting_up = 0; | |
1520 | ||
8ff3fa2e | 1521 | mainLoop.run(); |
1522 | ||
1523 | if (mainLoop.errcount == 10) | |
1524 | fatal_dump("Event loop exited with failure."); | |
1525 | ||
1526 | /* shutdown squid now */ | |
1527 | SquidShutdown(); | |
62e76326 | 1528 | |
9b7292ce | 1529 | /* NOTREACHED */ |
9b7292ce | 1530 | return 0; |
090089c4 | 1531 | } |
7690e8eb | 1532 | |
b8d8561b | 1533 | static void |
0673c0ba | 1534 | sendSignal(void) |
7690e8eb | 1535 | { |
ff8d0ea6 | 1536 | pid_t pid; |
fedac7e5 | 1537 | debug_log = stderr; |
258ac4d7 | 1538 | |
1539 | if (strcmp(Config.pidFilename, "none") == 0) { | |
e0236918 | 1540 | debugs(0, DBG_IMPORTANT, "No pid_filename specified. Trusting you know what you are doing."); |
258ac4d7 | 1541 | } |
1542 | ||
fedac7e5 | 1543 | pid = readPidFile(); |
62e76326 | 1544 | |
fedac7e5 | 1545 | if (pid > 1) { |
6c1962dd | 1546 | #if USE_WIN32_SERVICE |
6c1962dd | 1547 | if (opt_signal_service) { |
1548 | WIN32_sendSignal(opt_send_signal); | |
1549 | exit(0); | |
cf3edd6f | 1550 | } else { |
7dbca7a4 | 1551 | fprintf(stderr, "%s: ERROR: Could not send ", APP_SHORTNAME); |
6c1962dd | 1552 | fprintf(stderr, "signal to Squid Service:\n"); |
1553 | fprintf(stderr, "missing -n command line switch.\n"); | |
1554 | exit(1); | |
1555 | } | |
6c1962dd | 1556 | /* NOTREACHED */ |
6c1962dd | 1557 | #endif |
1558 | ||
62e76326 | 1559 | if (kill(pid, opt_send_signal) && |
1560 | /* ignore permissions if just running check */ | |
1561 | !(opt_send_signal == 0 && errno == EPERM)) { | |
7dbca7a4 | 1562 | fprintf(stderr, "%s: ERROR: Could not send ", APP_SHORTNAME); |
62e76326 | 1563 | fprintf(stderr, "signal %d to process %d: %s\n", |
1564 | opt_send_signal, (int) pid, xstrerror()); | |
1565 | exit(1); | |
1566 | } | |
fedac7e5 | 1567 | } else { |
205d7c3b | 1568 | if (opt_send_signal != SIGTERM) { |
e08d498f | 1569 | fprintf(stderr, "%s: ERROR: No running copy\n", APP_SHORTNAME); |
205d7c3b AJ |
1570 | exit(1); |
1571 | } else { | |
e08d498f | 1572 | fprintf(stderr, "%s: No running copy\n", APP_SHORTNAME); |
205d7c3b AJ |
1573 | exit(0); |
1574 | } | |
7690e8eb | 1575 | } |
62e76326 | 1576 | |
fedac7e5 | 1577 | /* signal successfully sent */ |
1578 | exit(0); | |
1579 | } | |
f95b8144 | 1580 | |
7aa9bb3e | 1581 | #if !_SQUID_WINDOWS_ |
e18d7fdc | 1582 | /* |
1583 | * This function is run when Squid is in daemon mode, just | |
1584 | * before the parent forks and starts up the child process. | |
1585 | * It can be used for admin-specific tasks, such as notifying | |
1586 | * someone that Squid is (re)started. | |
1587 | */ | |
1588 | static void | |
1589 | mainStartScript(const char *prog) | |
1590 | { | |
ef364f64 | 1591 | char script[MAXPATHLEN]; |
e18d7fdc | 1592 | char *t; |
1593 | size_t sl = 0; | |
1594 | pid_t cpid; | |
1595 | pid_t rpid; | |
1596 | xstrncpy(script, prog, MAXPATHLEN); | |
62e76326 | 1597 | |
e18d7fdc | 1598 | if ((t = strrchr(script, '/'))) { |
62e76326 | 1599 | *(++t) = '\0'; |
1600 | sl = strlen(script); | |
e18d7fdc | 1601 | } |
62e76326 | 1602 | |
e18d7fdc | 1603 | xstrncpy(&script[sl], squid_start_script, MAXPATHLEN - sl); |
62e76326 | 1604 | |
e18d7fdc | 1605 | if ((cpid = fork()) == 0) { |
62e76326 | 1606 | /* child */ |
f75662c9 | 1607 | execl(script, squid_start_script, (char *)NULL); |
482aa790 | 1608 | _exit(-1); |
e18d7fdc | 1609 | } else { |
62e76326 | 1610 | do { |
1191b93b | 1611 | #if _SQUID_NEXT_ |
62e76326 | 1612 | union wait status; |
007d775d | 1613 | rpid = wait4(cpid, &status, 0, NULL); |
e18d7fdc | 1614 | #else |
62e76326 | 1615 | |
1616 | int status; | |
007d775d | 1617 | rpid = waitpid(cpid, &status, 0); |
e18d7fdc | 1618 | #endif |
62e76326 | 1619 | |
1620 | } while (rpid != cpid); | |
e18d7fdc | 1621 | } |
1622 | } | |
1623 | ||
7aa9bb3e | 1624 | #endif /* _SQUID_WINDOWS_ */ |
a50bfe93 | 1625 | |
efd900cb | 1626 | static int |
1627 | checkRunningPid(void) | |
1628 | { | |
b81949b9 | 1629 | // master process must start alone, but its kids processes may co-exist |
7de94c8c | 1630 | if (!IamMasterProcess()) |
b81949b9 AR |
1631 | return 0; |
1632 | ||
efd900cb | 1633 | pid_t pid; |
e0077312 | 1634 | |
1635 | if (!debug_log) | |
1636 | debug_log = stderr; | |
1637 | ||
efd900cb | 1638 | pid = readPidFile(); |
62e76326 | 1639 | |
efd900cb | 1640 | if (pid < 2) |
62e76326 | 1641 | return 0; |
1642 | ||
efd900cb | 1643 | if (kill(pid, 0) < 0) |
62e76326 | 1644 | return 0; |
1645 | ||
fa84c01d | 1646 | debugs(0, DBG_CRITICAL, "Squid is already running! Process ID " << pid); |
62e76326 | 1647 | |
efd900cb | 1648 | return 1; |
1649 | } | |
1650 | ||
f95b8144 | 1651 | static void |
bbe199dc | 1652 | watch_child(char *argv[]) |
f95b8144 | 1653 | { |
7aa9bb3e | 1654 | #if !_SQUID_WINDOWS_ |
f95b8144 | 1655 | char *prog; |
1191b93b | 1656 | #if _SQUID_NEXT_ |
62e76326 | 1657 | |
f95b8144 | 1658 | union wait status; |
1659 | #else | |
62e76326 | 1660 | |
f95b8144 | 1661 | int status; |
1662 | #endif | |
62e76326 | 1663 | |
e3a3b845 | 1664 | pid_t pid; |
c99c5397 | 1665 | #ifdef TIOCNOTTY |
1666 | ||
54f742e7 | 1667 | int i; |
c99c5397 | 1668 | #endif |
1669 | ||
742724a4 | 1670 | int nullfd; |
62e76326 | 1671 | |
7de94c8c | 1672 | if (!IamMasterProcess()) |
62e76326 | 1673 | return; |
1674 | ||
7dbca7a4 | 1675 | openlog(APP_SHORTNAME, LOG_PID | LOG_NDELAY | LOG_CONS, LOG_LOCAL4); |
62e76326 | 1676 | |
54f742e7 | 1677 | if ((pid = fork()) < 0) |
62e76326 | 1678 | syslog(LOG_ALERT, "fork failed: %s", xstrerror()); |
54f742e7 | 1679 | else if (pid > 0) |
62e76326 | 1680 | exit(0); |
1681 | ||
54f742e7 | 1682 | if (setsid() < 0) |
62e76326 | 1683 | syslog(LOG_ALERT, "setsid failed: %s", xstrerror()); |
1684 | ||
efd900cb | 1685 | closelog(); |
62e76326 | 1686 | |
54f742e7 | 1687 | #ifdef TIOCNOTTY |
62e76326 | 1688 | |
c4aefe96 | 1689 | if ((i = open("/dev/tty", O_RDWR | O_TEXT)) >= 0) { |
62e76326 | 1690 | ioctl(i, TIOCNOTTY, NULL); |
1691 | close(i); | |
54f742e7 | 1692 | } |
62e76326 | 1693 | |
54f742e7 | 1694 | #endif |
b05490a8 | 1695 | |
7f6ffd15 | 1696 | /* |
1697 | * RBCOLLINS - if cygwin stackdumps when squid is run without | |
1698 | * -N, check the cygwin1.dll version, it needs to be AT LEAST | |
1699 | * 1.1.3. execvp had a bit overflow error in a loop.. | |
1700 | */ | |
742724a4 | 1701 | /* Connect stdio to /dev/null in daemon mode */ |
4da086c4 | 1702 | nullfd = open(_PATH_DEVNULL, O_RDWR | O_TEXT); |
62e76326 | 1703 | |
e4a1325e | 1704 | if (nullfd < 0) |
4da086c4 | 1705 | fatalf(_PATH_DEVNULL " %s\n", xstrerror()); |
e4a1325e | 1706 | |
742724a4 | 1707 | dup2(nullfd, 0); |
62e76326 | 1708 | |
62493678 | 1709 | if (Debug::log_stderr < 0) { |
62e76326 | 1710 | dup2(nullfd, 1); |
1711 | dup2(nullfd, 2); | |
742724a4 | 1712 | } |
62e76326 | 1713 | |
ca4b9ee6 DK |
1714 | // handle shutdown notifications from kids |
1715 | squid_signal(SIGUSR1, sig_shutdown, SA_RESTART); | |
1716 | ||
13aeac35 AR |
1717 | if (Config.workers > 128) { |
1718 | syslog(LOG_ALERT, "Suspiciously high workers value: %d", | |
5667a628 | 1719 | Config.workers); |
007d775d | 1720 | // but we keep going in hope that user knows best |
5667a628 | 1721 | } |
095ec2b1 AR |
1722 | TheKids.init(); |
1723 | ||
a2515f86 | 1724 | syslog(LOG_NOTICE, "Squid Parent: will start %d kids", (int)TheKids.count()); |
007d775d AR |
1725 | |
1726 | // keep [re]starting kids until it is time to quit | |
f95b8144 | 1727 | for (;;) { |
62e76326 | 1728 | mainStartScript(argv[0]); |
1729 | ||
007d775d | 1730 | // start each kid that needs to be [re]started; once |
10cefb7b | 1731 | for (int i = TheKids.count() - 1; i >= 0; --i) { |
007d775d | 1732 | Kid& kid = TheKids.get(i); |
ca4b9ee6 | 1733 | if (!kid.shouldRestart()) |
007d775d AR |
1734 | continue; |
1735 | ||
1736 | if ((pid = fork()) == 0) { | |
1737 | /* child */ | |
1738 | openlog(APP_SHORTNAME, LOG_PID | LOG_NDELAY | LOG_CONS, LOG_LOCAL4); | |
bc91a636 | 1739 | prog = argv[0]; |
007d775d AR |
1740 | argv[0] = const_cast<char*>(kid.name().termedBuf()); |
1741 | execvp(prog, argv); | |
1742 | syslog(LOG_ALERT, "execvp failed: %s", xstrerror()); | |
1743 | } | |
1744 | ||
1745 | kid.start(pid); | |
095ec2b1 | 1746 | syslog(LOG_NOTICE, "Squid Parent: %s process %d started", |
9199139f | 1747 | kid.name().termedBuf(), pid); |
62e76326 | 1748 | } |
1749 | ||
1750 | /* parent */ | |
7dbca7a4 | 1751 | openlog(APP_SHORTNAME, LOG_PID | LOG_NDELAY | LOG_CONS, LOG_LOCAL4); |
62e76326 | 1752 | |
62e76326 | 1753 | squid_signal(SIGINT, SIG_IGN, SA_RESTART); |
1754 | ||
1191b93b | 1755 | #if _SQUID_NEXT_ |
62e76326 | 1756 | |
1757 | pid = wait3(&status, 0, NULL); | |
1758 | ||
f95b8144 | 1759 | #else |
62e76326 | 1760 | |
1761 | pid = waitpid(-1, &status, 0); | |
1762 | ||
007d775d | 1763 | #endif |
86b91dcd | 1764 | // Loop to collect all stopped kids before we go to sleep below. |
5667a628 | 1765 | do { |
007d775d AR |
1766 | Kid* kid = TheKids.find(pid); |
1767 | if (kid) { | |
1768 | kid->stop(status); | |
1769 | if (kid->calledExit()) { | |
1770 | syslog(LOG_NOTICE, | |
095ec2b1 AR |
1771 | "Squid Parent: %s process %d exited with status %d", |
1772 | kid->name().termedBuf(), | |
5667a628 | 1773 | kid->getPid(), kid->exitStatus()); |
007d775d AR |
1774 | } else if (kid->signaled()) { |
1775 | syslog(LOG_NOTICE, | |
095ec2b1 AR |
1776 | "Squid Parent: %s process %d exited due to signal %d with status %d", |
1777 | kid->name().termedBuf(), | |
5667a628 | 1778 | kid->getPid(), kid->termSignal(), kid->exitStatus()); |
007d775d | 1779 | } else { |
095ec2b1 AR |
1780 | syslog(LOG_NOTICE, "Squid Parent: %s process %d exited", |
1781 | kid->name().termedBuf(), kid->getPid()); | |
007d775d | 1782 | } |
ca4b9ee6 | 1783 | if (kid->hopeless()) { |
1a98557c | 1784 | syslog(LOG_NOTICE, "Squid Parent: %s process %d will not" |
ca4b9ee6 | 1785 | " be restarted due to repeated, frequent failures", |
1a98557c | 1786 | kid->name().termedBuf(), kid->getPid()); |
ca4b9ee6 | 1787 | } |
007d775d AR |
1788 | } else { |
1789 | syslog(LOG_NOTICE, "Squid Parent: unknown child process %d exited", pid); | |
1790 | } | |
1191b93b | 1791 | #if _SQUID_NEXT_ |
007d775d AR |
1792 | } while ((pid = wait3(&status, WNOHANG, NULL)) > 0); |
1793 | #else | |
5667a628 AR |
1794 | } |
1795 | while ((pid = waitpid(-1, &status, WNOHANG)) > 0); | |
62e76326 | 1796 | #endif |
1797 | ||
ca4b9ee6 | 1798 | if (!TheKids.someRunning() && !TheKids.shouldRestartSome()) { |
520e0073 | 1799 | leave_suid(); |
21b7990f AR |
1800 | // XXX: Master process has no main loop and, hence, should not call |
1801 | // RegisteredRunner::startShutdown which promises a loop iteration. | |
1802 | RunRegisteredHere(RegisteredRunner::finishShutdown); | |
520e0073 | 1803 | enter_suid(); |
c011f9bc | 1804 | |
ca4b9ee6 DK |
1805 | if (TheKids.someSignaled(SIGINT) || TheKids.someSignaled(SIGTERM)) { |
1806 | syslog(LOG_ALERT, "Exiting due to unexpected forced shutdown"); | |
1807 | exit(1); | |
1808 | } | |
62e76326 | 1809 | |
ca4b9ee6 DK |
1810 | if (TheKids.allHopeless()) { |
1811 | syslog(LOG_ALERT, "Exiting due to repeated, frequent failures"); | |
1812 | exit(1); | |
1813 | } | |
62e76326 | 1814 | |
007d775d AR |
1815 | exit(0); |
1816 | } | |
06a0fbd3 | 1817 | |
62e76326 | 1818 | squid_signal(SIGINT, SIG_DFL, SA_RESTART); |
1819 | sleep(3); | |
f95b8144 | 1820 | } |
62e76326 | 1821 | |
bbe199dc | 1822 | /* NOTREACHED */ |
7aa9bb3e | 1823 | #endif /* _SQUID_WINDOWS_ */ |
a572d8be | 1824 | |
f95b8144 | 1825 | } |
fff6ad65 | 1826 | |
9ec1a1dc | 1827 | static void |
8ff3fa2e | 1828 | SquidShutdown() |
fff6ad65 | 1829 | { |
d71e4674 AR |
1830 | /* XXX: This function is called after the main loop has quit, which |
1831 | * means that no AsyncCalls would be called, including close handlers. | |
1832 | * TODO: We need to close/shut/free everything that needs calls before | |
1833 | * exiting the loop. | |
26ac0430 | 1834 | */ |
d71e4674 | 1835 | |
6c1962dd | 1836 | #if USE_WIN32_SERVICE |
1837 | WIN32_svcstatusupdate(SERVICE_STOP_PENDING, 10000); | |
1838 | #endif | |
1839 | ||
e0236918 | 1840 | debugs(1, DBG_IMPORTANT, "Shutting down..."); |
95a83c22 | 1841 | dnsShutdown(); |
95d2589c CT |
1842 | #if USE_SSL_CRTD |
1843 | Ssl::Helper::GetInstance()->Shutdown(); | |
2cef0ca6 | 1844 | #endif |
cb4f4424 | 1845 | #if USE_OPENSSL |
f54e3d4c AR |
1846 | if (Ssl::CertValidationHelper::GetInstance()) |
1847 | Ssl::CertValidationHelper::GetInstance()->Shutdown(); | |
95d2589c | 1848 | #endif |
95a83c22 | 1849 | redirectShutdown(); |
1850 | externalAclShutdown(); | |
65d448bc | 1851 | icpClosePorts(); |
d723bf6b | 1852 | #if USE_HTCP |
65d448bc | 1853 | htcpClosePorts(); |
d723bf6b | 1854 | #endif |
59ad6d31 | 1855 | #if SQUID_SNMP |
65d448bc | 1856 | snmpClosePorts(); |
320e9f36 | 1857 | #endif |
eb824054 | 1858 | #if USE_WCCP |
62e76326 | 1859 | |
320e9f36 | 1860 | wccpConnectionClose(); |
d723bf6b | 1861 | #endif |
0b0cfcf2 | 1862 | #if USE_WCCPv2 |
1863 | ||
1864 | wccp2ConnectionClose(); | |
1865 | #endif | |
62e76326 | 1866 | |
fff6ad65 | 1867 | releaseServerSockets(); |
d723bf6b | 1868 | commCloseAllSockets(); |
79039294 AR |
1869 | |
1870 | #if USE_SQUID_ESI | |
1871 | Esi::Clean(); | |
1872 | #endif | |
1873 | ||
9a0a18de | 1874 | #if USE_DELAY_POOLS |
b67e2c8c | 1875 | DelayPools::FreePools(); |
515ec4dc | 1876 | #endif |
2f1431ea | 1877 | #if USE_AUTH |
0bcb6908 | 1878 | authenticateReset(); |
2f1431ea | 1879 | #endif |
6c1962dd | 1880 | #if USE_WIN32_SERVICE |
1881 | ||
1882 | WIN32_svcstatusupdate(SERVICE_STOP_PENDING, 10000); | |
1883 | #endif | |
62e76326 | 1884 | |
c8f4eac4 | 1885 | Store::Root().sync(); /* Flush pending object writes/unlinks */ |
4d075ba0 | 1886 | |
b6b42084 | 1887 | unlinkdClose(); /* after sync/flush. NOP if !USE_UNLINKD */ |
fc68f6b1 | 1888 | |
fff6ad65 | 1889 | storeDirWriteCleanLogs(0); |
1890 | PrintRusage(); | |
1891 | dumpMallocStats(); | |
c8f4eac4 | 1892 | Store::Root().sync(); /* Flush log writes */ |
fff6ad65 | 1893 | storeLogClose(); |
1894 | accessLogClose(); | |
c8f4eac4 | 1895 | Store::Root().sync(); /* Flush log close */ |
59b2d47f | 1896 | StoreFileSystem::FreeAllFs(); |
b9ae18aa | 1897 | DiskIOModule::FreeAllModules(); |
afec404b | 1898 | #if LEAK_CHECK_MODE && 0 /* doesn't work at the moment */ |
62e76326 | 1899 | |
fff6ad65 | 1900 | configFreeMemory(); |
1901 | storeFreeMemory(); | |
33ab18e8 | 1902 | /*stmemFreeMemory(); */ |
fff6ad65 | 1903 | netdbFreeMemory(); |
1904 | ipcacheFreeMemory(); | |
1905 | fqdncacheFreeMemory(); | |
1906 | asnFreeMemory(); | |
26a369ba | 1907 | clientdbFreeMemory(); |
7021844c | 1908 | httpHeaderCleanModule(); |
d2db411c | 1909 | statFreeMemory(); |
f1fc2a8d | 1910 | eventFreeMemory(); |
c68e9c6b | 1911 | mimeFreeMemory(); |
1912 | errorClean(); | |
33ab18e8 | 1913 | #endif |
57fc379e CT |
1914 | // clear StoreController |
1915 | Store::Root(NULL); | |
1916 | ||
fff6ad65 | 1917 | fdDumpOpen(); |
62e76326 | 1918 | |
236d1779 | 1919 | comm_exit(); |
62e76326 | 1920 | |
21b7990f | 1921 | RunRegisteredHere(RegisteredRunner::finishShutdown); |
62e76326 | 1922 | |
553d498c AJ |
1923 | memClean(); |
1924 | ||
7de94c8c | 1925 | if (IamPrimaryProcess()) { |
a2c48c98 AR |
1926 | if (Config.pidFilename && strcmp(Config.pidFilename, "none") != 0) { |
1927 | enter_suid(); | |
1928 | safeunlink(Config.pidFilename, 0); | |
1929 | leave_suid(); | |
1930 | } | |
ab50ee9e | 1931 | } |
62e76326 | 1932 | |
e0236918 | 1933 | debugs(1, DBG_IMPORTANT, "Squid Cache (Version " << version_string << "): Exiting normally."); |
62e76326 | 1934 | |
0cfa98cb | 1935 | /* |
1936 | * DPW 2006-10-23 | |
1937 | * We used to fclose(debug_log) here if it was set, but then | |
1938 | * we forgot to set it to NULL. That caused some coredumps | |
1939 | * because exit() ends up calling a bunch of destructors and | |
1940 | * such. So rather than forcing the debug_log to close, we'll | |
1941 | * leave it open so that those destructors can write some | |
1942 | * debugging if necessary. The file will be closed anyway when | |
1943 | * the process truly exits. | |
1944 | */ | |
62e76326 | 1945 | |
ae1feb30 | 1946 | exit(shutdown_status); |
fff6ad65 | 1947 | } |
bef81ea5 | 1948 |