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30a4f2a8 | 1 | /* |
bbc27441 | 2 | * Copyright (C) 1996-2014 The Squid Software Foundation and contributors |
e25c139f | 3 | * |
bbc27441 AJ |
4 | * Squid software is distributed under GPLv2+ license and includes |
5 | * contributions from numerous individuals and organizations. | |
6 | * Please see the COPYING and CONTRIBUTORS files for details. | |
30a4f2a8 | 7 | */ |
44a47c6e | 8 | |
bbc27441 AJ |
9 | /* DEBUG: section 01 Startup and Main Loop */ |
10 | ||
582c2af2 | 11 | #include "squid.h" |
450e0c10 | 12 | #include "AccessLogEntry.h" |
582c2af2 FC |
13 | #include "acl/Acl.h" |
14 | #include "acl/Asn.h" | |
89736861 | 15 | #include "AuthReg.h" |
6d57128b | 16 | #include "base/RunnersRegistry.h" |
e0d28505 | 17 | #include "base/Subscription.h" |
3d93a84d | 18 | #include "base/TextException.h" |
fc54b8d2 FC |
19 | #include "cache_cf.h" |
20 | #include "carp.h" | |
21 | #include "client_db.h" | |
22 | #include "client_side.h" | |
d841c88d | 23 | #include "comm.h" |
62ee09ca | 24 | #include "ConfigParser.h" |
96c2bb61 | 25 | #include "CpuAffinity.h" |
fc54b8d2 | 26 | #include "disk.h" |
582c2af2 | 27 | #include "DiskIO/DiskIOModule.h" |
aa839030 | 28 | #include "errorpage.h" |
a553a5a3 | 29 | #include "event.h" |
30 | #include "EventLoop.h" | |
62ee09ca | 31 | #include "ExternalACL.h" |
fc54b8d2 | 32 | #include "fd.h" |
31971e6a | 33 | #include "format/Token.h" |
fc54b8d2 | 34 | #include "fqdncache.h" |
602d9612 | 35 | #include "fs/Module.h" |
eb13c21e | 36 | #include "FwdState.h" |
af69c635 | 37 | #include "globals.h" |
582c2af2 | 38 | #include "htcp.h" |
fc54b8d2 | 39 | #include "HttpHeader.h" |
582c2af2 FC |
40 | #include "HttpReply.h" |
41 | #include "icmp/IcmpSquid.h" | |
42 | #include "icmp/net_db.h" | |
e6ccf245 | 43 | #include "ICP.h" |
4daaf3cb | 44 | #include "ident/Ident.h" |
602d9612 | 45 | #include "ip/tools.h" |
10cefb7b | 46 | #include "ipc/Coordinator.h" |
582c2af2 | 47 | #include "ipc/Kids.h" |
10cefb7b | 48 | #include "ipc/Strand.h" |
602d9612 | 49 | #include "ipcache.h" |
b65ce00c | 50 | #include "mime.h" |
fc54b8d2 | 51 | #include "neighbors.h" |
d5f21615 | 52 | #include "parser/Tokenizer.h" |
582c2af2 | 53 | #include "pconn.h" |
fc54b8d2 FC |
54 | #include "peer_sourcehash.h" |
55 | #include "peer_userhash.h" | |
602d9612 | 56 | #include "PeerSelectState.h" |
582c2af2 | 57 | #include "profiler/Profiler.h" |
c548327a | 58 | #include "redirect.h" |
fc54b8d2 | 59 | #include "refresh.h" |
bc94e5ca | 60 | #include "send-announce.h" |
4d5904f7 | 61 | #include "SquidConfig.h" |
582c2af2 | 62 | #include "SquidDns.h" |
985c86bc | 63 | #include "SquidTime.h" |
fc54b8d2 | 64 | #include "stat.h" |
e4f1fdae | 65 | #include "StatCounters.h" |
582c2af2 | 66 | #include "Store.h" |
602d9612 A |
67 | #include "store_log.h" |
68 | #include "StoreFileSystem.h" | |
c8f4eac4 | 69 | #include "SwapDir.h" |
602d9612 | 70 | #include "tools.h" |
b6b42084 | 71 | #include "unlinkd.h" |
fc54b8d2 FC |
72 | #include "URL.h" |
73 | #include "wccp.h" | |
74 | #include "wccp2.h" | |
cf3edd6f | 75 | #include "WinSvc.h" |
44a47c6e | 76 | |
582c2af2 FC |
77 | #if USE_ADAPTATION |
78 | #include "adaptation/Config.h" | |
79 | #endif | |
80 | #if USE_ECAP | |
81 | #include "adaptation/ecap/Config.h" | |
82 | #endif | |
83 | #if ICAP_CLIENT | |
84 | #include "adaptation/icap/Config.h" | |
85 | #include "adaptation/icap/icap_log.h" | |
86 | #endif | |
87 | #if USE_AUTH | |
88 | #include "auth/Gadgets.h" | |
89 | #endif | |
90 | #if USE_DELAY_POOLS | |
91 | #include "ClientDelayConfig.h" | |
92 | #endif | |
93 | #if USE_DELAY_POOLS | |
94 | #include "DelayPools.h" | |
95 | #endif | |
57afc994 AR |
96 | #if USE_LOADABLE_MODULES |
97 | #include "LoadableModules.h" | |
98 | #endif | |
95d2589c | 99 | #if USE_SSL_CRTD |
95d2589c CT |
100 | #include "ssl/certificate_db.h" |
101 | #endif | |
cb4f4424 | 102 | #if USE_OPENSSL |
95d2589c | 103 | #include "ssl/context_storage.h" |
602d9612 | 104 | #include "ssl/helper.h" |
95d2589c | 105 | #endif |
b958cb0f | 106 | #if ICAP_CLIENT |
26cc52cb | 107 | #include "adaptation/icap/Config.h" |
b958cb0f | 108 | #endif |
6e5db507 | 109 | #if USE_ECAP |
1f3c65fc | 110 | #include "adaptation/ecap/Config.h" |
6e5db507 | 111 | #endif |
b958cb0f AR |
112 | #if USE_ADAPTATION |
113 | #include "adaptation/Config.h" | |
114 | #endif | |
79039294 AR |
115 | #if USE_SQUID_ESI |
116 | #include "esi/Module.h" | |
117 | #endif | |
9c0a2256 FC |
118 | #if SQUID_SNMP |
119 | #include "snmp_core.h" | |
120 | #endif | |
7b5b7ba8 | 121 | |
1a30fdf5 | 122 | #include <cerrno> |
68dbbe5d AJ |
123 | #if HAVE_GETOPT_H |
124 | #include <getopt.h> | |
125 | #endif | |
25f98340 AJ |
126 | #if HAVE_PATHS_H |
127 | #include <paths.h> | |
128 | #endif | |
582c2af2 FC |
129 | #if HAVE_SYS_WAIT_H |
130 | #include <sys/wait.h> | |
131 | #endif | |
1a774556 | 132 | |
25f98340 | 133 | #if USE_WIN32_SERVICE |
1a774556 | 134 | #include <process.h> |
135 | ||
136 | static int opt_install_service = FALSE; | |
137 | static int opt_remove_service = FALSE; | |
1a774556 | 138 | static int opt_command_line = FALSE; |
82afb125 | 139 | void WIN32_svcstatusupdate(DWORD, DWORD); |
1a774556 | 140 | void WINAPI WIN32_svcHandler(DWORD); |
1a774556 | 141 | #endif |
142 | ||
cf2155f2 | 143 | static int opt_signal_service = FALSE; |
5e6d4736 | 144 | static char *opt_syslog_facility = NULL; |
30a4f2a8 | 145 | static int icpPortNumOverride = 1; /* Want to detect "-u 0" */ |
e13ee7ad | 146 | static int configured_once = 0; |
30a4f2a8 | 147 | #if MALLOC_DBG |
4d64d74a | 148 | static int malloc_debug_level = 0; |
30a4f2a8 | 149 | #endif |
5cd39a10 | 150 | static volatile int do_reconfigure = 0; |
151 | static volatile int do_rotate = 0; | |
2681d383 | 152 | static volatile int do_shutdown = 0; |
ae1feb30 | 153 | static volatile int shutdown_status = 0; |
4d7add01 | 154 | |
a2c48c98 AR |
155 | static int RotateSignal = -1; |
156 | static int ReconfigureSignal = -1; | |
157 | static int ShutdownSignal = -1; | |
158 | ||
5cd39a10 | 159 | static void mainRotate(void); |
d71e4674 AR |
160 | static void mainReconfigureStart(void); |
161 | static void mainReconfigureFinish(void*); | |
f5b8bbc4 | 162 | static void mainInitialize(void); |
f5b8bbc4 | 163 | static void usage(void); |
63be0a78 | 164 | static void mainParseOptions(int argc, char *argv[]); |
f5b8bbc4 | 165 | static void sendSignal(void); |
166 | static void serverConnectionsOpen(void); | |
d71e4674 | 167 | static void serverConnectionsClose(void); |
bbe199dc | 168 | static void watch_child(char **); |
85407535 | 169 | static void setEffectiveUser(void); |
8ff3fa2e | 170 | static void SquidShutdown(void); |
b6a2f15e | 171 | static void mainSetCwd(void); |
efd900cb | 172 | static int checkRunningPid(void); |
85407535 | 173 | |
7aa9bb3e | 174 | #if !_SQUID_WINDOWS_ |
e18d7fdc | 175 | static const char *squid_start_script = "squid_start"; |
b293c4d8 | 176 | #endif |
e18d7fdc | 177 | |
9bc73deb | 178 | #if TEST_ACCESS |
179 | #include "test_access.c" | |
180 | #endif | |
181 | ||
63be0a78 | 182 | /** temporary thunk across to the unrefactored store interface */ |
8ff3fa2e | 183 | |
184 | class StoreRootEngine : public AsyncEngine | |
185 | { | |
186 | ||
187 | public: | |
26ac0430 | 188 | int checkEvents(int timeout) { |
8ff3fa2e | 189 | Store::Root().callback(); |
190 | return EVENT_IDLE; | |
191 | }; | |
192 | }; | |
193 | ||
9688b0ae | 194 | class SignalEngine: public AsyncEngine |
a553a5a3 | 195 | { |
196 | ||
197 | public: | |
9688b0ae | 198 | virtual int checkEvents(int timeout); |
a553a5a3 | 199 | |
200 | private: | |
0a720258 AR |
201 | static void StopEventLoop(void *) { |
202 | if (EventLoop::Running) | |
203 | EventLoop::Running->stop(); | |
a553a5a3 | 204 | } |
205 | ||
9688b0ae | 206 | void doShutdown(time_t wait); |
a553a5a3 | 207 | }; |
208 | ||
9688b0ae | 209 | int |
210 | SignalEngine::checkEvents(int timeout) | |
a553a5a3 | 211 | { |
9688b0ae | 212 | PROF_start(SignalEngine_checkEvents); |
fc68f6b1 | 213 | |
a553a5a3 | 214 | if (do_reconfigure) { |
d71e4674 | 215 | mainReconfigureStart(); |
a553a5a3 | 216 | do_reconfigure = 0; |
a553a5a3 | 217 | } else if (do_rotate) { |
218 | mainRotate(); | |
219 | do_rotate = 0; | |
220 | } else if (do_shutdown) { | |
9688b0ae | 221 | doShutdown(do_shutdown > 0 ? (int) Config.shutdownLifetime : 0); |
a553a5a3 | 222 | do_shutdown = 0; |
26ac0430 | 223 | } |
a2c48c98 AR |
224 | BroadcastSignalIfAny(DebugSignal); |
225 | BroadcastSignalIfAny(RotateSignal); | |
226 | BroadcastSignalIfAny(ReconfigureSignal); | |
227 | BroadcastSignalIfAny(ShutdownSignal); | |
a553a5a3 | 228 | |
9688b0ae | 229 | PROF_stop(SignalEngine_checkEvents); |
230 | return EVENT_IDLE; | |
231 | } | |
a553a5a3 | 232 | |
9688b0ae | 233 | void |
234 | SignalEngine::doShutdown(time_t wait) | |
235 | { | |
e0236918 FC |
236 | debugs(1, DBG_IMPORTANT, "Preparing for shutdown after " << statCounter.client_http.requests << " requests"); |
237 | debugs(1, DBG_IMPORTANT, "Waiting " << wait << " seconds for active connections to finish"); | |
8ff3fa2e | 238 | |
9688b0ae | 239 | shutting_down = 1; |
240 | ||
241 | #if USE_WIN32_SERVICE | |
242 | WIN32_svcstatusupdate(SERVICE_STOP_PENDING, (wait + 1) * 1000); | |
243 | #endif | |
244 | ||
0bcb6908 | 245 | /* run the closure code which can be shared with reconfigure */ |
9688b0ae | 246 | serverConnectionsClose(); |
2f1431ea | 247 | #if USE_AUTH |
0bcb6908 | 248 | /* detach the auth components (only do this on full shutdown) */ |
c6cf8dee | 249 | Auth::Scheme::FreeAll(); |
2f1431ea | 250 | #endif |
21b7990f AR |
251 | |
252 | RunRegisteredHere(RegisteredRunner::startShutdown); | |
9688b0ae | 253 | eventAdd("SquidShutdown", &StopEventLoop, this, (double) (wait + 1), 1, false); |
a553a5a3 | 254 | } |
255 | ||
b8d8561b | 256 | static void |
0673c0ba | 257 | usage(void) |
ccff9601 | 258 | { |
0ee4272b | 259 | fprintf(stderr, |
68dbbe5d | 260 | "Usage: %s [-cdzCFNRVYX] [-n name] [-s | -l facility] [-f config-file] [-[au] port] [-k signal]" |
0e657244 | 261 | #if USE_WIN32_SERVICE |
cf2155f2 | 262 | "[-ir] [-O CommandLine]" |
0e657244 | 263 | #endif |
68dbbe5d AJ |
264 | "\n" |
265 | " -h | --help Print help message.\n" | |
266 | " -v | --version Print version details.\n" | |
cf2155f2 | 267 | "\n" |
62e76326 | 268 | " -a port Specify HTTP port number (default: %d).\n" |
269 | " -d level Write debugging to stderr also.\n" | |
270 | " -f file Use given config-file instead of\n" | |
271 | " %s\n" | |
0e657244 | 272 | #if USE_WIN32_SERVICE |
273 | " -i Installs as a Windows Service (see -n option).\n" | |
274 | #endif | |
98fcbb0e AJ |
275 | " -k reconfigure|rotate|shutdown|" |
276 | #ifdef SIGTTIN | |
277 | "restart|" | |
278 | #endif | |
279 | "interrupt|kill|debug|check|parse\n" | |
62e76326 | 280 | " Parse configuration file, then send signal to \n" |
281 | " running copy (except -k parse) and exit.\n" | |
cf2155f2 AJ |
282 | " -n name Specify service name to use for service operations\n" |
283 | " default is: " APP_SHORTNAME ".\n" | |
0e657244 | 284 | #if USE_WIN32_SERVICE |
0e657244 | 285 | " -r Removes a Windows Service (see -n option).\n" |
286 | #endif | |
5e6d4736 | 287 | " -s | -l facility\n" |
288 | " Enable logging to syslog.\n" | |
62e76326 | 289 | " -u port Specify ICP port number (default: %d), disable with 0.\n" |
04632397 | 290 | " -z Create missing swap directories and then exit.\n" |
62e76326 | 291 | " -C Do not catch fatal signals.\n" |
8eb28163 | 292 | " -D OBSOLETE. Scheduled for removal.\n" |
62e76326 | 293 | " -F Don't serve any requests until store is rebuilt.\n" |
294 | " -N No daemon mode.\n" | |
0e657244 | 295 | #if USE_WIN32_SERVICE |
296 | " -O options\n" | |
297 | " Set Windows Service Command line options in Registry.\n" | |
298 | #endif | |
62e76326 | 299 | " -R Do not set REUSEADDR on port.\n" |
300 | " -S Double-check swap during rebuild.\n" | |
62e76326 | 301 | " -X Force full debugging.\n" |
302 | " -Y Only return UDP_HIT or UDP_MISS_NOFETCH during fast reload.\n", | |
7dbca7a4 | 303 | APP_SHORTNAME, CACHE_HTTP_PORT, DefaultConfigFile, CACHE_ICP_PORT); |
77ffc99f | 304 | exit(1); |
ccff9601 | 305 | } |
306 | ||
63be0a78 | 307 | /** |
308 | * Parse the parameters received via command line interface. | |
309 | * | |
68dbbe5d AJ |
310 | * \param argc Number of options received on command line |
311 | * \param argv List of parameters received on command line | |
63be0a78 | 312 | */ |
b8d8561b | 313 | static void |
314 | mainParseOptions(int argc, char *argv[]) | |
090089c4 | 315 | { |
68dbbe5d | 316 | int optIndex = 0; |
090089c4 | 317 | |
68dbbe5d AJ |
318 | // short options |
319 | const char *shortOpStr = | |
0e657244 | 320 | #if USE_WIN32_SERVICE |
68dbbe5d | 321 | "O:Vir" |
0e657244 | 322 | #endif |
68dbbe5d AJ |
323 | "CDFNRSYXa:d:f:hk:m::n:sl:u:vz?"; |
324 | ||
325 | // long options | |
326 | static struct option squidOptions[] = { | |
327 | {"help", no_argument, 0, 'h'}, | |
328 | {"version", no_argument, 0, 'v'}, | |
329 | {0, 0, 0, 0} | |
330 | }; | |
331 | ||
332 | int c; | |
333 | while ((c = getopt_long(argc, argv, shortOpStr, squidOptions, &optIndex)) != -1) { | |
9b7292ce | 334 | |
26ac0430 | 335 | switch (c) { |
62e76326 | 336 | |
337 | case 'C': | |
63be0a78 | 338 | /** \par C |
339 | * Unset/disabel global option for catchign signals. opt_catch_signals */ | |
62e76326 | 340 | opt_catch_signals = 0; |
341 | break; | |
342 | ||
343 | case 'D': | |
63be0a78 | 344 | /** \par D |
8eb28163 AJ |
345 | * OBSOLETE: WAS: override to prevent optional startup DNS tests. */ |
346 | debugs(1,DBG_CRITICAL, "WARNING: -D command-line option is obsolete."); | |
62e76326 | 347 | break; |
348 | ||
349 | case 'F': | |
63be0a78 | 350 | /** \par F |
351 | * Set global option for foreground rebuild. opt_foreground_rebuild */ | |
62e76326 | 352 | opt_foreground_rebuild = 1; |
353 | break; | |
354 | ||
355 | case 'N': | |
63be0a78 | 356 | /** \par N |
357 | * Set global option for 'no_daemon' mode. opt_no_daemon */ | |
62e76326 | 358 | opt_no_daemon = 1; |
359 | break; | |
63be0a78 | 360 | |
0e657244 | 361 | #if USE_WIN32_SERVICE |
362 | ||
363 | case 'O': | |
63be0a78 | 364 | /** \par O |
365 | * Set global option. opt_command_lin and WIN32_Command_Line */ | |
0e657244 | 366 | opt_command_line = 1; |
367 | WIN32_Command_Line = xstrdup(optarg); | |
368 | break; | |
369 | #endif | |
62e76326 | 370 | |
371 | case 'R': | |
63be0a78 | 372 | /** \par R |
373 | * Unset/disable global option opt_reuseaddr */ | |
62e76326 | 374 | opt_reuseaddr = 0; |
375 | break; | |
376 | ||
377 | case 'S': | |
63be0a78 | 378 | /** \par S |
379 | * Set global option opt_store_doublecheck */ | |
62e76326 | 380 | opt_store_doublecheck = 1; |
381 | break; | |
382 | ||
62e76326 | 383 | case 'X': |
63be0a78 | 384 | /** \par X |
385 | * Force full debugging */ | |
62493678 AJ |
386 | Debug::parseOptions("rotate=0 ALL,9"); |
387 | Debug::override_X = 1; | |
62e76326 | 388 | sigusr2_handle(SIGUSR2); |
62e76326 | 389 | break; |
390 | ||
391 | case 'Y': | |
63be0a78 | 392 | /** \par Y |
393 | * Set global option opt_reload_hit_only */ | |
62e76326 | 394 | opt_reload_hit_only = 1; |
62e76326 | 395 | break; |
396 | ||
0e657244 | 397 | #if USE_WIN32_SERVICE |
398 | ||
399 | case 'i': | |
63be0a78 | 400 | /** \par i |
401 | * Set global option opt_install_service (to TRUE) */ | |
0e657244 | 402 | opt_install_service = TRUE; |
0e657244 | 403 | break; |
0e657244 | 404 | #endif |
405 | ||
62e76326 | 406 | case 'a': |
63be0a78 | 407 | /** \par a |
408 | * Add optional HTTP port as given following the option */ | |
62e76326 | 409 | add_http_port(optarg); |
62e76326 | 410 | break; |
411 | ||
412 | case 'd': | |
63be0a78 | 413 | /** \par d |
68dbbe5d | 414 | * Set global option Debug::log_stderr to the number given following the option */ |
62493678 | 415 | Debug::log_stderr = atoi(optarg); |
62e76326 | 416 | break; |
417 | ||
418 | case 'f': | |
63be0a78 | 419 | /** \par f |
420 | * Load the file given instead of the default squid.conf. */ | |
62e76326 | 421 | xfree(ConfigFile); |
62e76326 | 422 | ConfigFile = xstrdup(optarg); |
62e76326 | 423 | break; |
424 | ||
425 | case 'k': | |
63be0a78 | 426 | /** \par k |
427 | * Run the administrative action given following the option */ | |
fc68f6b1 | 428 | |
63be0a78 | 429 | /** \li When its an unknown option display the usage help. */ |
62e76326 | 430 | if ((int) strlen(optarg) < 1) |
431 | usage(); | |
432 | ||
433 | if (!strncmp(optarg, "reconfigure", strlen(optarg))) | |
63be0a78 | 434 | /** \li On reconfigure send SIGHUP. */ |
62e76326 | 435 | opt_send_signal = SIGHUP; |
436 | else if (!strncmp(optarg, "rotate", strlen(optarg))) | |
63be0a78 | 437 | /** \li On rotate send SIGQUIT or SIGUSR1. */ |
605f2c3e | 438 | #if defined(_SQUID_LINUX_THREADS_) |
62e76326 | 439 | opt_send_signal = SIGQUIT; |
e3175d1f | 440 | #else |
62e76326 | 441 | opt_send_signal = SIGUSR1; |
e3175d1f | 442 | #endif |
62e76326 | 443 | |
444 | else if (!strncmp(optarg, "debug", strlen(optarg))) | |
63be0a78 | 445 | /** \li On debug send SIGTRAP or SIGUSR2. */ |
605f2c3e | 446 | #if defined(_SQUID_LINUX_THREADS_) |
62e76326 | 447 | opt_send_signal = SIGTRAP; |
e3175d1f | 448 | #else |
62e76326 | 449 | opt_send_signal = SIGUSR2; |
62e76326 | 450 | #endif |
451 | ||
452 | else if (!strncmp(optarg, "shutdown", strlen(optarg))) | |
63be0a78 | 453 | /** \li On shutdown send SIGTERM. */ |
62e76326 | 454 | opt_send_signal = SIGTERM; |
455 | else if (!strncmp(optarg, "interrupt", strlen(optarg))) | |
63be0a78 | 456 | /** \li On interrupt send SIGINT. */ |
62e76326 | 457 | opt_send_signal = SIGINT; |
458 | else if (!strncmp(optarg, "kill", strlen(optarg))) | |
63be0a78 | 459 | /** \li On kill send SIGKILL. */ |
62e76326 | 460 | opt_send_signal = SIGKILL; |
ae1feb30 | 461 | |
462 | #ifdef SIGTTIN | |
463 | ||
464 | else if (!strncmp(optarg, "restart", strlen(optarg))) | |
63be0a78 | 465 | /** \li On restart send SIGTTIN. (exit and restart by parent) */ |
466 | opt_send_signal = SIGTTIN; | |
ae1feb30 | 467 | |
468 | #endif | |
469 | ||
62e76326 | 470 | else if (!strncmp(optarg, "check", strlen(optarg))) |
63be0a78 | 471 | /** \li On check send 0 / SIGNULL. */ |
62e76326 | 472 | opt_send_signal = 0; /* SIGNULL */ |
473 | else if (!strncmp(optarg, "parse", strlen(optarg))) | |
63be0a78 | 474 | /** \li On parse set global flag to re-parse the config file only. */ |
475 | opt_parse_cfg_only = 1; | |
62e76326 | 476 | else |
477 | usage(); | |
478 | ||
479 | break; | |
480 | ||
481 | case 'm': | |
63be0a78 | 482 | /** \par m |
483 | * Set global malloc_debug_level to the value given following the option. | |
484 | * if none is given it toggles the xmalloc_trace option on/off */ | |
62e76326 | 485 | if (optarg) { |
30a4f2a8 | 486 | #if MALLOC_DBG |
fc68f6b1 | 487 | malloc_debug_level = atoi(optarg); |
30a4f2a8 | 488 | #else |
fc68f6b1 | 489 | fatal("Need to add -DMALLOC_DBG when compiling to use -mX option"); |
33ab18e8 | 490 | #endif |
62e76326 | 491 | |
e2849af8 | 492 | } |
d9e7ee1f | 493 | break; |
d9e7ee1f | 494 | |
0e657244 | 495 | case 'n': |
63be0a78 | 496 | /** \par n |
cf2155f2 AJ |
497 | * Set global option opt_signal_service (to true). |
498 | * Stores the additional parameter given in global service_name */ | |
eeae1733 | 499 | if (optarg && *optarg != '\0') { |
d5f21615 AJ |
500 | const SBuf t(optarg); |
501 | ::Parser::Tokenizer tok(t); | |
502 | const CharacterSet chr = CharacterSet::ALPHA+CharacterSet::DIGIT; | |
8cb327e9 AR |
503 | if (!tok.prefix(service_name, chr)) |
504 | fatalf("Expected alphanumeric service name for the -n option but got: %s", optarg); | |
505 | if (!tok.atEnd()) | |
506 | fatalf("Garbage after alphanumeric service name in the -n option value: %s", optarg); | |
d5f21615 AJ |
507 | if (service_name.length() > 32) |
508 | fatalf("Service name (-n option) must be limited to 32 characters but got %u", service_name.length()); | |
509 | opt_signal_service = true; | |
510 | } else { | |
511 | fatal("A service name is required for the -n option"); | |
512 | } | |
0e657244 | 513 | break; |
514 | ||
cf2155f2 AJ |
515 | #if USE_WIN32_SERVICE |
516 | ||
0e657244 | 517 | case 'r': |
63be0a78 | 518 | /** \par r |
519 | * Set global option opt_remove_service (to TRUE) */ | |
0e657244 | 520 | opt_remove_service = TRUE; |
521 | ||
522 | break; | |
523 | ||
524 | #endif | |
525 | ||
5e6d4736 | 526 | case 'l': |
63be0a78 | 527 | /** \par l |
528 | * Stores the syslog facility name in global opt_syslog_facility | |
529 | * then performs actions for -s option. */ | |
5c6dae44 | 530 | xfree(opt_syslog_facility); // ignore any previous options sent |
5e6d4736 | 531 | opt_syslog_facility = xstrdup(optarg); |
532 | ||
62e76326 | 533 | case 's': |
63be0a78 | 534 | /** \par s |
535 | * Initialize the syslog for output */ | |
c307aec3 | 536 | #if HAVE_SYSLOG |
62e76326 | 537 | |
5e6d4736 | 538 | _db_set_syslog(opt_syslog_facility); |
0e657244 | 539 | |
62e76326 | 540 | break; |
0e657244 | 541 | |
c307aec3 | 542 | #else |
62e76326 | 543 | |
544 | fatal("Logging to syslog not available on this platform"); | |
0e657244 | 545 | |
62e76326 | 546 | /* NOTREACHED */ |
547 | #endif | |
548 | ||
549 | case 'u': | |
63be0a78 | 550 | /** \par u |
551 | * Store the ICP port number given in global option icpPortNumOverride | |
552 | * ensuring its a positive number. */ | |
62e76326 | 553 | icpPortNumOverride = atoi(optarg); |
554 | ||
555 | if (icpPortNumOverride < 0) | |
556 | icpPortNumOverride = 0; | |
557 | ||
558 | break; | |
559 | ||
560 | case 'v': | |
63be0a78 | 561 | /** \par v |
562 | * Display squid version and build information. Then exit. */ | |
4fe75473 | 563 | printf("Squid Cache: Version %s\n" ,version_string); |
d5f21615 | 564 | printf("Service Name: " SQUIDSBUFPH "\n", SQUIDSBUFPRINT(service_name)); |
4fe75473 FC |
565 | if (strlen(SQUID_BUILD_INFO)) |
566 | printf("%s\n",SQUID_BUILD_INFO); | |
567 | printf( "configure options: %s\n", SQUID_CONFIGURE_OPTIONS); | |
62e76326 | 568 | |
1a774556 | 569 | #if USE_WIN32_SERVICE |
570 | ||
571 | printf("Compiled as Windows System Service.\n"); | |
572 | ||
573 | #endif | |
574 | ||
62e76326 | 575 | exit(0); |
576 | ||
577 | /* NOTREACHED */ | |
578 | ||
579 | case 'z': | |
63be0a78 | 580 | /** \par z |
62493678 AJ |
581 | * Set global option Debug::log_stderr and opt_create_swap_dirs */ |
582 | Debug::log_stderr = 1; | |
62e76326 | 583 | opt_create_swap_dirs = 1; |
62e76326 | 584 | break; |
585 | ||
63be0a78 | 586 | case 'h': |
587 | ||
62e76326 | 588 | case '?': |
589 | ||
590 | default: | |
63be0a78 | 591 | /** \par h,?, or unknown |
592 | * \copydoc usage() */ | |
62e76326 | 593 | usage(); |
594 | ||
595 | break; | |
596 | } | |
9b7292ce | 597 | |
090089c4 | 598 | } |
4d64d74a | 599 | } |
090089c4 | 600 | |
7a2f978b | 601 | /* ARGSUSED */ |
b293c4d8 | 602 | void |
9b7292ce | 603 | rotate_logs(int sig) |
604 | { | |
5cd39a10 | 605 | do_rotate = 1; |
a2c48c98 | 606 | RotateSignal = sig; |
7aa9bb3e | 607 | #if !_SQUID_WINDOWS_ |
30a4f2a8 | 608 | #if !HAVE_SIGACTION |
62e76326 | 609 | |
30a4f2a8 | 610 | signal(sig, rotate_logs); |
611 | #endif | |
a50bfe93 | 612 | #endif |
30a4f2a8 | 613 | } |
614 | ||
7a2f978b | 615 | /* ARGSUSED */ |
b293c4d8 | 616 | void |
9b7292ce | 617 | reconfigure(int sig) |
618 | { | |
5cd39a10 | 619 | do_reconfigure = 1; |
a2c48c98 | 620 | ReconfigureSignal = sig; |
7aa9bb3e | 621 | #if !_SQUID_WINDOWS_ |
30a4f2a8 | 622 | #if !HAVE_SIGACTION |
62e76326 | 623 | |
30a4f2a8 | 624 | signal(sig, reconfigure); |
625 | #endif | |
a50bfe93 | 626 | #endif |
30a4f2a8 | 627 | } |
628 | ||
b8d8561b | 629 | void |
9b7292ce | 630 | shut_down(int sig) |
631 | { | |
2681d383 | 632 | do_shutdown = sig == SIGINT ? -1 : 1; |
a2c48c98 | 633 | ShutdownSignal = sig; |
d75df34a | 634 | #if defined(SIGTTIN) |
ae1feb30 | 635 | if (SIGTTIN == sig) |
636 | shutdown_status = 1; | |
ae1feb30 | 637 | #endif |
ca4b9ee6 | 638 | |
d75df34a | 639 | #if !_SQUID_WINDOWS_ |
ca4b9ee6 DK |
640 | const pid_t ppid = getppid(); |
641 | ||
bd9fe5b4 | 642 | if (!IamMasterProcess() && ppid > 1) { |
ca4b9ee6 DK |
643 | // notify master that we are shutting down |
644 | if (kill(ppid, SIGUSR1) < 0) | |
645 | debugs(1, DBG_IMPORTANT, "Failed to send SIGUSR1 to master process," | |
646 | " pid " << ppid << ": " << xstrerror()); | |
647 | } | |
648 | ||
a67d2b2e | 649 | #if KILL_PARENT_OPT |
bd9fe5b4 | 650 | if (!IamMasterProcess() && ppid > 1) { |
ca4b9ee6 | 651 | debugs(1, DBG_IMPORTANT, "Killing master process, pid " << ppid); |
62e76326 | 652 | |
ca4b9ee6 DK |
653 | if (kill(ppid, sig) < 0) |
654 | debugs(1, DBG_IMPORTANT, "kill " << ppid << ": " << xstrerror()); | |
88738790 | 655 | } |
0f658b5b | 656 | #endif /* KILL_PARENT_OPT */ |
d75df34a | 657 | |
6e40f263 | 658 | #if SA_RESETHAND == 0 |
659 | signal(SIGTERM, SIG_DFL); | |
62e76326 | 660 | |
6e40f263 | 661 | signal(SIGINT, SIG_DFL); |
62e76326 | 662 | |
a50bfe93 | 663 | #endif |
6e40f263 | 664 | #endif |
30a4f2a8 | 665 | } |
666 | ||
24382924 | 667 | static void |
9b7292ce | 668 | serverConnectionsOpen(void) |
669 | { | |
7de94c8c AR |
670 | if (IamPrimaryProcess()) { |
671 | #if USE_WCCP | |
5667a628 | 672 | wccpConnectionOpen(); |
7de94c8c | 673 | #endif |
45aae82b | 674 | |
7de94c8c AR |
675 | #if USE_WCCPv2 |
676 | ||
5667a628 | 677 | wccp2ConnectionOpen(); |
7de94c8c AR |
678 | #endif |
679 | } | |
095ec2b1 AR |
680 | // start various proxying services if we are responsible for them |
681 | if (IamWorkerProcess()) { | |
5667a628 | 682 | clientOpenListenSockets(); |
65d448bc | 683 | icpOpenPorts(); |
ace287ee | 684 | #if USE_HTCP |
65d448bc | 685 | htcpOpenPorts(); |
ace287ee | 686 | #endif |
a67d2b2e | 687 | #if SQUID_SNMP |
65d448bc | 688 | snmpOpenPorts(); |
320e9f36 | 689 | #endif |
0b0cfcf2 | 690 | |
5667a628 AR |
691 | icmpEngine.Open(); |
692 | netdbInit(); | |
693 | asnInit(); | |
694 | ACL::Initialize(); | |
695 | peerSelectInit(); | |
696 | ||
697 | carpInit(); | |
2f1431ea | 698 | #if USE_AUTH |
5667a628 | 699 | peerUserHashInit(); |
2f1431ea | 700 | #endif |
5667a628 | 701 | peerSourceHashInit(); |
7de94c8c | 702 | } |
5f3f8d0e | 703 | } |
704 | ||
d71e4674 | 705 | static void |
9b7292ce | 706 | serverConnectionsClose(void) |
707 | { | |
0a5a8601 | 708 | assert(shutting_down || reconfiguring); |
7de94c8c AR |
709 | |
710 | if (IamPrimaryProcess()) { | |
711 | #if USE_WCCP | |
712 | ||
5667a628 | 713 | wccpConnectionClose(); |
7de94c8c AR |
714 | #endif |
715 | #if USE_WCCPv2 | |
716 | ||
5667a628 | 717 | wccp2ConnectionClose(); |
7de94c8c AR |
718 | #endif |
719 | } | |
095ec2b1 | 720 | if (IamWorkerProcess()) { |
434a79b0 | 721 | clientConnectionsClose(); |
5667a628 | 722 | icpConnectionShutdown(); |
72549e05 | 723 | #if USE_HTCP |
5667a628 | 724 | htcpSocketShutdown(); |
72549e05 | 725 | #endif |
62e76326 | 726 | |
5667a628 | 727 | icmpEngine.Close(); |
a67d2b2e | 728 | #if SQUID_SNMP |
65d448bc | 729 | snmpClosePorts(); |
320e9f36 | 730 | #endif |
62e76326 | 731 | |
5667a628 | 732 | asnFreeMemory(); |
7de94c8c | 733 | } |
5f3f8d0e | 734 | } |
735 | ||
b8d8561b | 736 | static void |
d71e4674 | 737 | mainReconfigureStart(void) |
9b7292ce | 738 | { |
e0236918 | 739 | debugs(1, DBG_IMPORTANT, "Reconfiguring Squid Cache (version " << version_string << ")..."); |
5cd39a10 | 740 | reconfiguring = 1; |
d71e4674 AR |
741 | |
742 | // Initiate asynchronous closing sequence | |
15df8349 | 743 | serverConnectionsClose(); |
65d448bc | 744 | icpClosePorts(); |
72549e05 | 745 | #if USE_HTCP |
65d448bc | 746 | htcpClosePorts(); |
72549e05 | 747 | #endif |
74addf6c | 748 | dnsShutdown(); |
95d2589c CT |
749 | #if USE_SSL_CRTD |
750 | Ssl::Helper::GetInstance()->Shutdown(); | |
751 | #endif | |
cb4f4424 | 752 | #if USE_OPENSSL |
f54e3d4c AR |
753 | if (Ssl::CertValidationHelper::GetInstance()) |
754 | Ssl::CertValidationHelper::GetInstance()->Shutdown(); | |
95d2589c CT |
755 | Ssl::TheGlobalContextStorage.reconfigureStart(); |
756 | #endif | |
74addf6c | 757 | redirectShutdown(); |
2f1431ea | 758 | #if USE_AUTH |
0bcb6908 | 759 | authenticateReset(); |
2f1431ea | 760 | #endif |
d9572179 | 761 | externalAclShutdown(); |
2db68ce5 | 762 | storeDirCloseSwapLogs(); |
2e923080 | 763 | storeLogClose(); |
764 | accessLogClose(); | |
3ff65596 AR |
765 | #if ICAP_CLIENT |
766 | icapLogClose(); | |
767 | #endif | |
d71e4674 AR |
768 | |
769 | eventAdd("mainReconfigureFinish", &mainReconfigureFinish, NULL, 0, 1, | |
26ac0430 | 770 | false); |
d71e4674 AR |
771 | } |
772 | ||
773 | static void | |
26ac0430 AJ |
774 | mainReconfigureFinish(void *) |
775 | { | |
d71e4674 AR |
776 | debugs(1, 3, "finishing reconfiguring"); |
777 | ||
c68e9c6b | 778 | errorClean(); |
3aa4adbc | 779 | enter_suid(); /* root to read config file */ |
936b23cd AJ |
780 | |
781 | // we may have disabled the need for PURGE | |
e1381638 | 782 | if (Config2.onoff.enable_purge) |
936b23cd AJ |
783 | Config2.onoff.enable_purge = 2; |
784 | ||
18631119 | 785 | // parse the config returns a count of errors encountered. |
13aeac35 | 786 | const int oldWorkers = Config.workers; |
18631119 AJ |
787 | if ( parseConfigFile(ConfigFile) != 0) { |
788 | // for now any errors are a fatal condition... | |
789 | self_destruct(); | |
790 | } | |
13aeac35 AR |
791 | if (oldWorkers != Config.workers) { |
792 | debugs(1, DBG_CRITICAL, "WARNING: Changing 'workers' (from " << | |
5667a628 | 793 | oldWorkers << " to " << Config.workers << |
0b68976e | 794 | ") requires a full restart. It has been ignored by reconfigure."); |
13aeac35 | 795 | Config.workers = oldWorkers; |
a2c48c98 | 796 | } |
936b23cd | 797 | |
21b7990f AR |
798 | RunRegisteredHere(RegisteredRunner::syncConfig); |
799 | ||
96c2bb61 AR |
800 | if (IamPrimaryProcess()) |
801 | CpuAffinityCheck(); | |
802 | CpuAffinityReconfigure(); | |
803 | ||
c642c141 | 804 | setUmask(Config.umask); |
97244680 | 805 | Mem::Report(); |
3aa4adbc | 806 | setEffectiveUser(); |
62493678 | 807 | _db_init(Debug::cache_log, Debug::debugOptions); |
429fdbec | 808 | ipcache_restart(); /* clear stuck entries */ |
809 | fqdncache_restart(); /* sigh, fqdncache too */ | |
0e70aa1e | 810 | parseEtcHosts(); |
53ad48e6 | 811 | errorInitialize(); /* reload error pages */ |
2e923080 | 812 | accessLogInit(); |
76fc7e57 AJ |
813 | |
814 | #if USE_LOADABLE_MODULES | |
815 | LoadableModulesConfigure(Config.loadable_module_names); | |
816 | #endif | |
817 | ||
818 | #if USE_ADAPTATION | |
819 | bool enableAdaptation = false; | |
820 | #if ICAP_CLIENT | |
821 | Adaptation::Icap::TheConfig.finalize(); | |
822 | enableAdaptation = Adaptation::Icap::TheConfig.onoff || enableAdaptation; | |
823 | #endif | |
824 | #if USE_ECAP | |
825 | Adaptation::Ecap::TheConfig.finalize(); // must be after we load modules | |
826 | enableAdaptation = Adaptation::Ecap::TheConfig.onoff || enableAdaptation; | |
827 | #endif | |
828 | Adaptation::Config::Finalize(enableAdaptation); | |
829 | #endif | |
d090e020 | 830 | |
3ff65596 AR |
831 | #if ICAP_CLIENT |
832 | icapLogOpen(); | |
833 | #endif | |
2e923080 | 834 | storeLogOpen(); |
74addf6c | 835 | dnsInit(); |
95d2589c CT |
836 | #if USE_SSL_CRTD |
837 | Ssl::Helper::GetInstance()->Init(); | |
838 | #endif | |
cb4f4424 | 839 | #if USE_OPENSSL |
2cef0ca6 AR |
840 | if (Ssl::CertValidationHelper::GetInstance()) |
841 | Ssl::CertValidationHelper::GetInstance()->Init(); | |
842 | #endif | |
62e76326 | 843 | |
74addf6c | 844 | redirectInit(); |
2f1431ea | 845 | #if USE_AUTH |
5817ee13 | 846 | authenticateInit(&Auth::TheConfig); |
2f1431ea | 847 | #endif |
d9572179 | 848 | externalAclInit(); |
7de94c8c AR |
849 | |
850 | if (IamPrimaryProcess()) { | |
1f38f50a | 851 | #if USE_WCCP |
62e76326 | 852 | |
5667a628 | 853 | wccpInit(); |
1f38f50a | 854 | #endif |
0b0cfcf2 | 855 | #if USE_WCCPv2 |
856 | ||
5667a628 | 857 | wccp2Init(); |
0b0cfcf2 | 858 | #endif |
7de94c8c | 859 | } |
62e76326 | 860 | |
0ffd22bc | 861 | serverConnectionsOpen(); |
9c2e9b50 | 862 | |
3ee2b4f8 | 863 | neighbors_init(); |
9c2e9b50 | 864 | |
2db68ce5 | 865 | storeDirOpenSwapLogs(); |
9c2e9b50 | 866 | |
9c021a38 | 867 | mimeInit(Config.mimeTablePathname); |
9c2e9b50 | 868 | |
c521ad17 DK |
869 | if (unlinkdNeeded()) |
870 | unlinkdInit(); | |
c521ad17 | 871 | |
9a0a18de | 872 | #if USE_DELAY_POOLS |
b4cd430a CT |
873 | Config.ClientDelay.finalize(); |
874 | #endif | |
875 | ||
926375e6 | 876 | if (Config.onoff.announce) { |
877 | if (!eventFind(start_announce, NULL)) | |
878 | eventAdd("start_announce", start_announce, NULL, 3600.0, 1); | |
879 | } else { | |
880 | if (eventFind(start_announce, NULL)) | |
881 | eventDelete(start_announce, NULL); | |
882 | } | |
883 | ||
b8890359 | 884 | writePidFile(); /* write PID file */ |
9c2e9b50 | 885 | |
5cd39a10 | 886 | reconfiguring = 0; |
887 | } | |
888 | ||
889 | static void | |
9b7292ce | 890 | mainRotate(void) |
891 | { | |
cc192b50 | 892 | icmpEngine.Close(); |
e40aa8da | 893 | redirectShutdown(); |
2f1431ea | 894 | #if USE_AUTH |
0bcb6908 | 895 | authenticateRotate(); |
2f1431ea | 896 | #endif |
d9572179 | 897 | externalAclShutdown(); |
0a6dd8fb | 898 | |
5cd39a10 | 899 | _db_rotate_log(); /* cache.log */ |
900 | storeDirWriteCleanLogs(1); | |
901 | storeLogRotate(); /* store.log */ | |
902 | accessLogRotate(); /* access.log */ | |
3ff65596 AR |
903 | #if ICAP_CLIENT |
904 | icapLogRotate(); /*icap.log*/ | |
905 | #endif | |
cc192b50 | 906 | icmpEngine.Open(); |
e40aa8da | 907 | redirectInit(); |
2f1431ea | 908 | #if USE_AUTH |
5817ee13 | 909 | authenticateInit(&Auth::TheConfig); |
2f1431ea | 910 | #endif |
d9572179 | 911 | externalAclInit(); |
5f3f8d0e | 912 | } |
913 | ||
067bea91 | 914 | static void |
9b7292ce | 915 | setEffectiveUser(void) |
916 | { | |
fc68f6b1 | 917 | keepCapabilities(); |
85407535 | 918 | leave_suid(); /* Run as non privilegied user */ |
1191b93b | 919 | #if _SQUID_OS2_ |
62e76326 | 920 | |
cd377065 | 921 | return; |
922 | #endif | |
62e76326 | 923 | |
85407535 | 924 | if (geteuid() == 0) { |
fa84c01d FC |
925 | debugs(0, DBG_CRITICAL, "Squid is not safe to run as root! If you must"); |
926 | debugs(0, DBG_CRITICAL, "start Squid as root, then you must configure"); | |
927 | debugs(0, DBG_CRITICAL, "it to run as a non-priveledged user with the"); | |
928 | debugs(0, DBG_CRITICAL, "'cache_effective_user' option in the config file."); | |
62e76326 | 929 | fatal("Don't run Squid as root, set 'cache_effective_user'!"); |
85407535 | 930 | } |
931 | } | |
932 | ||
dd0cbc64 AR |
933 | /// changes working directory, providing error reporting |
934 | static bool | |
935 | mainChangeDir(const char *dir) | |
936 | { | |
937 | if (chdir(dir) == 0) | |
938 | return true; | |
939 | ||
940 | debugs(50, DBG_CRITICAL, "cannot change current directory to " << dir << | |
941 | ": " << xstrerror()); | |
942 | return false; | |
943 | } | |
944 | ||
133906f5 | 945 | /// set the working directory. |
b6a2f15e | 946 | static void |
9b7292ce | 947 | mainSetCwd(void) |
948 | { | |
133906f5 | 949 | static bool chrooted = false; |
133906f5 AJ |
950 | if (Config.chroot_dir && !chrooted) { |
951 | chrooted = true; | |
62e76326 | 952 | |
dd0cbc64 AR |
953 | if (chroot(Config.chroot_dir) != 0) |
954 | fatalf("chroot to %s failed: %s", Config.chroot_dir, xstrerror()); | |
133906f5 | 955 | |
dd0cbc64 AR |
956 | if (!mainChangeDir("/")) |
957 | fatalf("chdir to / after chroot to %s failed", Config.chroot_dir); | |
133906f5 AJ |
958 | } |
959 | ||
dd0cbc64 AR |
960 | if (Config.coredump_dir && strcmp("none", Config.coredump_dir) != 0) { |
961 | if (mainChangeDir(Config.coredump_dir)) { | |
e0236918 | 962 | debugs(0, DBG_IMPORTANT, "Set Current Directory to " << Config.coredump_dir); |
62e76326 | 963 | return; |
62e76326 | 964 | } |
b6a2f15e | 965 | } |
62e76326 | 966 | |
02e8115e | 967 | /* If we don't have coredump_dir or couldn't cd there, report current dir */ |
dd0cbc64 | 968 | char pathbuf[MAXPATHLEN]; |
4a504376 | 969 | if (getcwd(pathbuf, MAXPATHLEN)) { |
e0236918 | 970 | debugs(0, DBG_IMPORTANT, "Current Directory is " << pathbuf); |
4a504376 | 971 | } else { |
fa84c01d | 972 | debugs(50, DBG_CRITICAL, "WARNING: Can't find current directory, getcwd: " << xstrerror()); |
4a504376 | 973 | } |
b6a2f15e | 974 | } |
975 | ||
b8d8561b | 976 | static void |
9b7292ce | 977 | mainInitialize(void) |
978 | { | |
efd900cb | 979 | /* chroot if configured to run inside chroot */ |
133906f5 | 980 | mainSetCwd(); |
62e76326 | 981 | |
1758c627 | 982 | if (opt_catch_signals) { |
62e76326 | 983 | squid_signal(SIGSEGV, death, SA_NODEFER | SA_RESETHAND); |
984 | squid_signal(SIGBUS, death, SA_NODEFER | SA_RESETHAND); | |
44f99671 | 985 | } |
62e76326 | 986 | |
30a4f2a8 | 987 | squid_signal(SIGPIPE, SIG_IGN, SA_RESTART); |
988 | squid_signal(SIGCHLD, sig_child, SA_NODEFER | SA_RESTART); | |
44f99671 | 989 | |
85407535 | 990 | setEffectiveUser(); |
62e76326 | 991 | |
30a4f2a8 | 992 | if (icpPortNumOverride != 1) |
f45dd259 | 993 | Config.Port.icp = (unsigned short) icpPortNumOverride; |
30a4f2a8 | 994 | |
62493678 | 995 | _db_init(Debug::cache_log, Debug::debugOptions); |
62e76326 | 996 | |
62493678 | 997 | fd_open(fileno(debug_log), FD_LOG, Debug::cache_log); |
62e76326 | 998 | |
fa84c01d | 999 | debugs(1, DBG_CRITICAL, "Starting Squid Cache version " << version_string << " for " << CONFIG_HOST_TYPE << "..."); |
cf2155f2 | 1000 | debugs(1, DBG_CRITICAL, "Service Name: " << service_name); |
62e76326 | 1001 | |
be266cb2 | 1002 | #if _SQUID_WINDOWS_ |
b293c4d8 | 1003 | if (WIN32_run_mode == _WIN_SQUID_RUN_MODE_SERVICE) { |
fa84c01d | 1004 | debugs(1, DBG_CRITICAL, "Service command line is: " << WIN32_Service_Command_Line); |
b293c4d8 | 1005 | } else |
fa84c01d | 1006 | debugs(1, DBG_CRITICAL, "Running on " << WIN32_OS_string); |
b293c4d8 | 1007 | #endif |
1008 | ||
e0236918 | 1009 | debugs(1, DBG_IMPORTANT, "Process ID " << getpid()); |
095ec2b1 | 1010 | |
e0236918 | 1011 | debugs(1, DBG_IMPORTANT, "Process Roles:" << ProcessRoles()); |
095ec2b1 | 1012 | |
f3f0f563 | 1013 | setSystemLimits(); |
e0236918 | 1014 | debugs(1, DBG_IMPORTANT, "With " << Squid_MaxFD << " file descriptors available"); |
5f3f8d0e | 1015 | |
7aa9bb3e | 1016 | #if _SQUID_WINDOWS_ |
6c1962dd | 1017 | |
e0236918 | 1018 | debugs(1, DBG_IMPORTANT, "With " << _getmaxstdio() << " CRT stdio descriptors available"); |
6c1962dd | 1019 | |
1020 | if (WIN32_Socks_initialized) | |
e0236918 | 1021 | debugs(1, DBG_IMPORTANT, "Windows sockets initialized"); |
6c1962dd | 1022 | |
babd1fd5 | 1023 | if (WIN32_OS_version > _WIN_OS_WINNT) { |
26ac0430 | 1024 | WIN32_IpAddrChangeMonitorInit(); |
babd1fd5 | 1025 | } |
1026 | ||
6c1962dd | 1027 | #endif |
1028 | ||
9f75c559 | 1029 | if (!configured_once) |
62e76326 | 1030 | disk_init(); /* disk_init must go before ipcache_init() */ |
1031 | ||
5f3f8d0e | 1032 | ipcache_init(); |
62e76326 | 1033 | |
f88bb09c | 1034 | fqdncache_init(); |
62e76326 | 1035 | |
0e70aa1e | 1036 | parseEtcHosts(); |
62e76326 | 1037 | |
74addf6c | 1038 | dnsInit(); |
62e76326 | 1039 | |
586089cd CT |
1040 | #if USE_SSL_CRTD |
1041 | Ssl::Helper::GetInstance()->Init(); | |
1042 | #endif | |
1043 | ||
cb4f4424 | 1044 | #if USE_OPENSSL |
10a69fc0 CT |
1045 | if (!configured_once) |
1046 | Ssl::initialize_session_cache(); | |
1047 | ||
2cef0ca6 AR |
1048 | if (Ssl::CertValidationHelper::GetInstance()) |
1049 | Ssl::CertValidationHelper::GetInstance()->Init(); | |
1050 | #endif | |
1051 | ||
74addf6c | 1052 | redirectInit(); |
2f1431ea | 1053 | #if USE_AUTH |
5817ee13 | 1054 | authenticateInit(&Auth::TheConfig); |
2f1431ea | 1055 | #endif |
d9572179 | 1056 | externalAclInit(); |
62e76326 | 1057 | |
2ac76861 | 1058 | httpHeaderInitModule(); /* must go before any header processing (e.g. the one in errorInitialize) */ |
62e76326 | 1059 | |
2246b732 | 1060 | httpReplyInitModule(); /* must go before accepting replies */ |
62e76326 | 1061 | |
9b312a19 | 1062 | errorInitialize(); |
62e76326 | 1063 | |
7a2f978b | 1064 | accessLogInit(); |
62e76326 | 1065 | |
e1381638 | 1066 | #if ICAP_CLIENT |
3ff65596 AR |
1067 | icapLogOpen(); |
1068 | #endif | |
1069 | ||
3898f57f | 1070 | #if USE_IDENT |
4daaf3cb | 1071 | Ident::Init(); |
3898f57f | 1072 | #endif |
4daaf3cb | 1073 | |
59ad6d31 | 1074 | #if SQUID_SNMP |
62e76326 | 1075 | |
5e14bf6d | 1076 | snmpInit(); |
62e76326 | 1077 | |
5e14bf6d | 1078 | #endif |
30a4f2a8 | 1079 | #if MALLOC_DBG |
62e76326 | 1080 | |
5f3f8d0e | 1081 | malloc_debug(0, malloc_debug_level); |
62e76326 | 1082 | |
5f3f8d0e | 1083 | #endif |
1084 | ||
dbe4fd8e | 1085 | if (!configured_once) { |
c521ad17 DK |
1086 | if (unlinkdNeeded()) |
1087 | unlinkdInit(); | |
62e76326 | 1088 | |
1089 | urlInitialize(); | |
62e76326 | 1090 | statInit(); |
1091 | storeInit(); | |
1092 | mainSetCwd(); | |
62e76326 | 1093 | mimeInit(Config.mimeTablePathname); |
62e76326 | 1094 | refreshInit(); |
9a0a18de | 1095 | #if USE_DELAY_POOLS |
62e76326 | 1096 | DelayPools::Init(); |
0d7e5d78 | 1097 | #endif |
62e76326 | 1098 | |
b6b6f466 | 1099 | FwdState::initModule(); |
62ee09ca | 1100 | /* register the modules in the cache manager menus */ |
62ee09ca | 1101 | |
a08f1b5a | 1102 | cbdataRegisterWithCacheManager(); |
62ee09ca | 1103 | /* These use separate calls so that the comm loops can eventually |
1104 | * coexist. | |
1105 | */ | |
62ee09ca | 1106 | |
15b3c0d7 | 1107 | eventInit(); |
610ee341 | 1108 | |
26ac0430 | 1109 | // TODO: pconn is a good candidate for new-style registration |
6852be71 | 1110 | // PconnModule::GetInstance()->registerWithCacheManager(); |
26ac0430 | 1111 | // moved to PconnModule::PconnModule() |
5f3f8d0e | 1112 | } |
62e76326 | 1113 | |
7de94c8c | 1114 | if (IamPrimaryProcess()) { |
1f38f50a | 1115 | #if USE_WCCP |
5667a628 | 1116 | wccpInit(); |
62e76326 | 1117 | |
0b0cfcf2 | 1118 | #endif |
1119 | #if USE_WCCPv2 | |
1120 | ||
5667a628 | 1121 | wccp2Init(); |
0b0cfcf2 | 1122 | |
1f38f50a | 1123 | #endif |
7de94c8c | 1124 | } |
62e76326 | 1125 | |
2285407f | 1126 | serverConnectionsOpen(); |
62e76326 | 1127 | |
3ee2b4f8 | 1128 | neighbors_init(); |
fc68f6b1 | 1129 | |
5f5e883f | 1130 | // neighborsRegisterWithCacheManager(); //moved to neighbors_init() |
62e76326 | 1131 | |
efd900cb | 1132 | if (Config.chroot_dir) |
62e76326 | 1133 | no_suid(); |
1134 | ||
dbe4fd8e | 1135 | if (!configured_once) |
62e76326 | 1136 | writePidFile(); /* write PID file */ |
0a5b9b32 | 1137 | |
605f2c3e | 1138 | #if defined(_SQUID_LINUX_THREADS_) |
62e76326 | 1139 | |
e3175d1f | 1140 | squid_signal(SIGQUIT, rotate_logs, SA_RESTART); |
62e76326 | 1141 | |
e3175d1f | 1142 | squid_signal(SIGTRAP, sigusr2_handle, SA_RESTART); |
62e76326 | 1143 | |
e3175d1f | 1144 | #else |
62e76326 | 1145 | |
30a4f2a8 | 1146 | squid_signal(SIGUSR1, rotate_logs, SA_RESTART); |
62e76326 | 1147 | |
30a4f2a8 | 1148 | squid_signal(SIGUSR2, sigusr2_handle, SA_RESTART); |
62e76326 | 1149 | |
9fc0b4b8 | 1150 | #endif |
62e76326 | 1151 | |
30a4f2a8 | 1152 | squid_signal(SIGHUP, reconfigure, SA_RESTART); |
62e76326 | 1153 | |
30a4f2a8 | 1154 | squid_signal(SIGTERM, shut_down, SA_NODEFER | SA_RESETHAND | SA_RESTART); |
62e76326 | 1155 | |
30a4f2a8 | 1156 | squid_signal(SIGINT, shut_down, SA_NODEFER | SA_RESETHAND | SA_RESTART); |
62e76326 | 1157 | |
ae1feb30 | 1158 | #ifdef SIGTTIN |
1159 | ||
1160 | squid_signal(SIGTTIN, shut_down, SA_NODEFER | SA_RESETHAND | SA_RESTART); | |
1161 | ||
1162 | #endif | |
1163 | ||
58a39dc9 | 1164 | memCheckInit(); |
62e76326 | 1165 | |
57afc994 AR |
1166 | #if USE_LOADABLE_MODULES |
1167 | LoadableModulesConfigure(Config.loadable_module_names); | |
1168 | #endif | |
1169 | ||
8f361c50 AR |
1170 | #if USE_ADAPTATION |
1171 | bool enableAdaptation = false; | |
1172 | ||
1173 | // We can remove this dependency on specific adaptation mechanisms | |
1174 | // if we create a generic Registry of such mechanisms. Should we? | |
b958cb0f | 1175 | #if ICAP_CLIENT |
26cc52cb AR |
1176 | Adaptation::Icap::TheConfig.finalize(); |
1177 | enableAdaptation = Adaptation::Icap::TheConfig.onoff || enableAdaptation; | |
6e5db507 AR |
1178 | #endif |
1179 | #if USE_ECAP | |
574b508c AR |
1180 | Adaptation::Ecap::TheConfig.finalize(); // must be after we load modules |
1181 | enableAdaptation = Adaptation::Ecap::TheConfig.onoff || enableAdaptation; | |
b958cb0f | 1182 | #endif |
8f361c50 AR |
1183 | // must be the last adaptation-related finalize |
1184 | Adaptation::Config::Finalize(enableAdaptation); | |
b958cb0f AR |
1185 | #endif |
1186 | ||
79039294 AR |
1187 | #if USE_SQUID_ESI |
1188 | Esi::Init(); | |
1189 | #endif | |
b958cb0f | 1190 | |
9a0a18de | 1191 | #if USE_DELAY_POOLS |
b4cd430a CT |
1192 | Config.ClientDelay.finalize(); |
1193 | #endif | |
1194 | ||
dbe4fd8e | 1195 | if (!configured_once) { |
c8f4eac4 | 1196 | eventAdd("storeMaintain", Store::Maintain, NULL, 1.0, 1); |
62e76326 | 1197 | |
1198 | if (Config.onoff.announce) | |
1199 | eventAdd("start_announce", start_announce, NULL, 3600.0, 1); | |
1200 | ||
1201 | eventAdd("ipcache_purgelru", ipcache_purgelru, NULL, 10.0, 1); | |
1202 | ||
1203 | eventAdd("fqdncache_purgelru", fqdncache_purgelru, NULL, 15.0, 1); | |
1204 | ||
88bfe092 | 1205 | #if USE_XPROF_STATS |
62e76326 | 1206 | |
1207 | eventAdd("cpuProfiling", xprof_event, NULL, 1.0, 1); | |
1208 | ||
88bfe092 | 1209 | #endif |
62e76326 | 1210 | |
1211 | eventAdd("memPoolCleanIdlePools", Mem::CleanIdlePools, NULL, 15.0, 1); | |
4d7add01 | 1212 | } |
62e76326 | 1213 | |
dbe4fd8e | 1214 | configured_once = 1; |
4d64d74a | 1215 | } |
1216 | ||
c842329d | 1217 | /// unsafe main routine -- may throw |
f3f3e961 | 1218 | int SquidMain(int argc, char **argv); |
c842329d | 1219 | /// unsafe main routine wrapper to catch exceptions |
6e5db507 AR |
1220 | static int SquidMainSafe(int argc, char **argv); |
1221 | ||
6c1962dd | 1222 | #if USE_WIN32_SERVICE |
a74922b5 | 1223 | /* Entry point for Windows services */ |
6c1962dd | 1224 | extern "C" void WINAPI |
e1381638 | 1225 | SquidWinSvcMain(int argc, char **argv) |
18631119 AJ |
1226 | { |
1227 | SquidMainSafe(argc, argv); | |
1228 | } | |
a74922b5 AJ |
1229 | #endif |
1230 | ||
b8d8561b | 1231 | int |
1232 | main(int argc, char **argv) | |
6e5db507 | 1233 | { |
a74922b5 AJ |
1234 | #if USE_WIN32_SERVICE |
1235 | SetErrorMode(SEM_NOGPFAULTERRORBOX); | |
1236 | if ((argc == 2) && strstr(argv[1], _WIN_SQUID_SERVICE_OPTION)) | |
1237 | return WIN32_StartService(argc, argv); | |
1238 | else { | |
1239 | WIN32_run_mode = _WIN_SQUID_RUN_MODE_INTERACTIVE; | |
1240 | opt_no_daemon = 1; | |
1241 | } | |
1242 | #endif | |
1243 | ||
18631119 | 1244 | return SquidMainSafe(argc, argv); |
6e5db507 AR |
1245 | } |
1246 | ||
1247 | static int | |
1248 | SquidMainSafe(int argc, char **argv) | |
1249 | { | |
1250 | try { | |
1251 | return SquidMain(argc, argv); | |
26ac0430 | 1252 | } catch (const std::exception &e) { |
51618c6a | 1253 | debugs(1, DBG_CRITICAL, "FATAL: dying from an unhandled exception: " << |
9199139f | 1254 | e.what()); |
26ac0430 AJ |
1255 | throw; |
1256 | } catch (...) { | |
51618c6a | 1257 | debugs(1, DBG_CRITICAL, "FATAL: dying from an unhandled exception."); |
26ac0430 AJ |
1258 | throw; |
1259 | } | |
1260 | return -1; // not reached | |
6e5db507 AR |
1261 | } |
1262 | ||
d4a3e179 AR |
1263 | /// computes name and ID for the current kid process |
1264 | static void | |
1265 | ConfigureCurrentKid(const char *processName) | |
1266 | { | |
5667a628 | 1267 | // kids are marked with parenthesis around their process names |
d4a3e179 AR |
1268 | if (processName && processName[0] == '(') { |
1269 | if (const char *idStart = strrchr(processName, '-')) { | |
1270 | KidIdentifier = atoi(idStart + 1); | |
9de6c973 AR |
1271 | const size_t nameLen = idStart - (processName + 1); |
1272 | assert(nameLen < sizeof(TheKidName)); | |
1273 | xstrncpy(TheKidName, processName + 1, nameLen + 1); | |
095ec2b1 AR |
1274 | if (!strcmp(TheKidName, "squid-coord")) |
1275 | TheProcessKind = pkCoordinator; | |
9199139f | 1276 | else if (!strcmp(TheKidName, "squid")) |
095ec2b1 | 1277 | TheProcessKind = pkWorker; |
9199139f | 1278 | else if (!strcmp(TheKidName, "squid-disk")) |
095ec2b1 AR |
1279 | TheProcessKind = pkDisker; |
1280 | else | |
1281 | TheProcessKind = pkOther; // including coordinator | |
d4a3e179 | 1282 | } |
2664c457 | 1283 | } else { |
9de6c973 | 1284 | xstrncpy(TheKidName, APP_SHORTNAME, sizeof(TheKidName)); |
2664c457 | 1285 | KidIdentifier = 0; |
d4a3e179 | 1286 | } |
d4a3e179 AR |
1287 | } |
1288 | ||
f3f3e961 | 1289 | int |
6e5db507 | 1290 | SquidMain(int argc, char **argv) |
9b7292ce | 1291 | { |
d4a3e179 | 1292 | ConfigureCurrentKid(argv[0]); |
007d775d | 1293 | |
fb6a61d1 | 1294 | Debug::parseOptions(NULL); |
9b7292ce | 1295 | debug_log = stderr; |
62e76326 | 1296 | |
b9269882 | 1297 | #if defined(SQUID_MAXFD_LIMIT) |
1298 | ||
1299 | if (SQUID_MAXFD_LIMIT < Squid_MaxFD) | |
1300 | Squid_MaxFD = SQUID_MAXFD_LIMIT; | |
1301 | ||
1302 | #endif | |
399e85ea | 1303 | |
cf3edd6f FC |
1304 | /* NOP under non-windows */ |
1305 | int WIN32_init_err=0; | |
a0aa9e74 | 1306 | if ((WIN32_init_err = WIN32_Subsystem_Init(&argc, &argv))) |
1307 | return WIN32_init_err; | |
0e6d05ef | 1308 | |
9b7292ce | 1309 | /* call mallopt() before anything else */ |
0b29fe44 | 1310 | #if HAVE_MALLOPT |
7328e889 | 1311 | #ifdef M_GRAIN |
9b7292ce | 1312 | /* Round up all sizes to a multiple of this */ |
1313 | mallopt(M_GRAIN, 16); | |
62e76326 | 1314 | |
7328e889 | 1315 | #endif |
1316 | #ifdef M_MXFAST | |
9b7292ce | 1317 | /* biggest size that is considered a small block */ |
1318 | mallopt(M_MXFAST, 256); | |
62e76326 | 1319 | |
7328e889 | 1320 | #endif |
1321 | #ifdef M_NBLKS | |
9b7292ce | 1322 | /* allocate this many small blocks at once */ |
1323 | mallopt(M_NLBLKS, 32); | |
62e76326 | 1324 | |
7328e889 | 1325 | #endif |
1326 | #endif /* HAVE_MALLOPT */ | |
1327 | ||
9b7292ce | 1328 | squid_srandom(time(NULL)); |
4d64d74a | 1329 | |
9b7292ce | 1330 | getCurrentTime(); |
62e76326 | 1331 | |
9b7292ce | 1332 | squid_start = current_time; |
62e76326 | 1333 | |
9b7292ce | 1334 | failure_notify = fatal_dump; |
4d64d74a | 1335 | |
6c1962dd | 1336 | #if USE_WIN32_SERVICE |
1337 | ||
9b7292ce | 1338 | WIN32_svcstatusupdate(SERVICE_START_PENDING, 10000); |
6c1962dd | 1339 | |
1340 | #endif | |
1341 | ||
9b7292ce | 1342 | mainParseOptions(argc, argv); |
4d64d74a | 1343 | |
9aae6be3 | 1344 | if (opt_parse_cfg_only) { |
26ac0430 | 1345 | Debug::parseOptions("ALL,1"); |
9aae6be3 | 1346 | } |
1347 | ||
6c1962dd | 1348 | #if USE_WIN32_SERVICE |
1349 | ||
26ac0430 | 1350 | if (opt_install_service) { |
9b7292ce | 1351 | WIN32_InstallService(); |
a0aa9e74 | 1352 | return 0; |
9b7292ce | 1353 | } |
6c1962dd | 1354 | |
26ac0430 | 1355 | if (opt_remove_service) { |
9b7292ce | 1356 | WIN32_RemoveService(); |
a0aa9e74 | 1357 | return 0; |
9b7292ce | 1358 | } |
6c1962dd | 1359 | |
26ac0430 | 1360 | if (opt_command_line) { |
9b7292ce | 1361 | WIN32_SetServiceCommandLine(); |
a0aa9e74 | 1362 | return 0; |
9b7292ce | 1363 | } |
6c1962dd | 1364 | |
1365 | #endif | |
1366 | ||
9b7292ce | 1367 | /* parse configuration file |
1368 | * note: in "normal" case this used to be called from mainInitialize() */ | |
1369 | { | |
1370 | int parse_err; | |
62e76326 | 1371 | |
9b7292ce | 1372 | if (!ConfigFile) |
1373 | ConfigFile = xstrdup(DefaultConfigFile); | |
62e76326 | 1374 | |
9b7292ce | 1375 | assert(!configured_once); |
62e76326 | 1376 | |
9b7292ce | 1377 | Mem::Init(); |
62e76326 | 1378 | |
9b7292ce | 1379 | storeFsInit(); /* required for config parsing */ |
62e76326 | 1380 | |
7b5b7ba8 | 1381 | /* TODO: call the FS::Clean() in shutdown to do Fs cleanups */ |
af6a12ee | 1382 | Fs::Init(); |
7b5b7ba8 | 1383 | |
b9ae18aa | 1384 | /* May not be needed for parsing, have not audited for such */ |
1385 | DiskIOModule::SetupAllModules(); | |
1386 | ||
59b2d47f | 1387 | /* Shouldn't be needed for config parsing, but have not audited for such */ |
1388 | StoreFileSystem::SetupAllFs(); | |
1389 | ||
c8f4eac4 | 1390 | /* we may want the parsing process to set this up in the future */ |
1391 | Store::Root(new StoreController); | |
89736861 | 1392 | Auth::Init(); /* required for config parsing. NOP if !USE_AUTH */ |
055421ee AJ |
1393 | Ip::ProbeTransport(); // determine IPv4 or IPv6 capabilities before parsing. |
1394 | ||
31971e6a AJ |
1395 | Format::Token::Init(); // XXX: temporary. Use a runners registry of pre-parse runners instead. |
1396 | ||
dd9b1081 | 1397 | parse_err = parseConfigFile(ConfigFile); |
62e76326 | 1398 | |
97244680 | 1399 | Mem::Report(); |
26ac0430 | 1400 | |
18631119 | 1401 | if (opt_parse_cfg_only || parse_err > 0) |
9b7292ce | 1402 | return parse_err; |
9b7292ce | 1403 | } |
c642c141 | 1404 | setUmask(Config.umask); |
9b7292ce | 1405 | if (-1 == opt_send_signal) |
1406 | if (checkRunningPid()) | |
205d7c3b | 1407 | exit(0); |
e13ee7ad | 1408 | |
9bc73deb | 1409 | #if TEST_ACCESS |
62e76326 | 1410 | |
95564b0d | 1411 | comm_init(); |
62e76326 | 1412 | |
9b7292ce | 1413 | mainInitialize(); |
62e76326 | 1414 | |
9b7292ce | 1415 | test_access(); |
62e76326 | 1416 | |
9b7292ce | 1417 | return 0; |
62e76326 | 1418 | |
9bc73deb | 1419 | #endif |
1420 | ||
9b7292ce | 1421 | /* send signal to running copy and exit */ |
26ac0430 | 1422 | if (opt_send_signal != -1) { |
9b7292ce | 1423 | /* chroot if configured to run inside chroot */ |
133906f5 | 1424 | mainSetCwd(); |
a572d8be | 1425 | if (Config.chroot_dir) { |
a572d8be | 1426 | no_suid(); |
1427 | } else { | |
1428 | leave_suid(); | |
9b7292ce | 1429 | } |
62e76326 | 1430 | |
9b7292ce | 1431 | sendSignal(); |
1432 | /* NOTREACHED */ | |
1433 | } | |
62e76326 | 1434 | |
6d57128b | 1435 | debugs(1,2, HERE << "Doing post-config initialization\n"); |
520e0073 | 1436 | leave_suid(); |
21b7990f AR |
1437 | RunRegisteredHere(RegisteredRunner::finalizeConfig); |
1438 | RunRegisteredHere(RegisteredRunner::claimMemoryNeeds); | |
1439 | RunRegisteredHere(RegisteredRunner::useConfig); | |
520e0073 | 1440 | enter_suid(); |
9487bae9 | 1441 | |
2ae5c85f AJ |
1442 | if (!opt_no_daemon && Config.workers > 0) |
1443 | watch_child(argv); | |
1444 | ||
26ac0430 | 1445 | if (opt_create_swap_dirs) { |
9b7292ce | 1446 | /* chroot if configured to run inside chroot */ |
133906f5 | 1447 | mainSetCwd(); |
62e76326 | 1448 | |
9b7292ce | 1449 | setEffectiveUser(); |
04632397 | 1450 | debugs(0, DBG_CRITICAL, "Creating missing swap directories"); |
c8f4eac4 | 1451 | Store::Root().create(); |
6c1962dd | 1452 | |
9b7292ce | 1453 | return 0; |
9b7292ce | 1454 | } |
62e76326 | 1455 | |
96c2bb61 AR |
1456 | if (IamPrimaryProcess()) |
1457 | CpuAffinityCheck(); | |
1458 | CpuAffinityInit(); | |
1459 | ||
95564b0d | 1460 | setMaxFD(); |
1461 | ||
1462 | /* init comm module */ | |
1463 | comm_init(); | |
62e76326 | 1464 | |
26ac0430 | 1465 | if (opt_no_daemon) { |
9b7292ce | 1466 | /* we have to init fdstat here. */ |
1467 | fd_open(0, FD_LOG, "stdin"); | |
1468 | fd_open(1, FD_LOG, "stdout"); | |
1469 | fd_open(2, FD_LOG, "stderr"); | |
1470 | } | |
62e76326 | 1471 | |
6c1962dd | 1472 | #if USE_WIN32_SERVICE |
1473 | ||
9b7292ce | 1474 | WIN32_svcstatusupdate(SERVICE_START_PENDING, 10000); |
6c1962dd | 1475 | |
1476 | #endif | |
1477 | ||
9b7292ce | 1478 | mainInitialize(); |
4d64d74a | 1479 | |
6c1962dd | 1480 | #if USE_WIN32_SERVICE |
1481 | ||
9b7292ce | 1482 | WIN32_svcstatusupdate(SERVICE_RUNNING, 0); |
6c1962dd | 1483 | |
1484 | #endif | |
1485 | ||
9b7292ce | 1486 | /* main loop */ |
a553a5a3 | 1487 | EventLoop mainLoop; |
62e76326 | 1488 | |
0a720258 | 1489 | SignalEngine signalEngine; |
6c1962dd | 1490 | |
9688b0ae | 1491 | mainLoop.registerEngine(&signalEngine); |
62e76326 | 1492 | |
8ff3fa2e | 1493 | /* TODO: stop requiring the singleton here */ |
1494 | mainLoop.registerEngine(EventScheduler::GetInstance()); | |
62e76326 | 1495 | |
8ff3fa2e | 1496 | StoreRootEngine store_engine; |
615f9581 | 1497 | |
8ff3fa2e | 1498 | mainLoop.registerEngine(&store_engine); |
a774fd3f | 1499 | |
8ff3fa2e | 1500 | CommSelectEngine comm_engine; |
1501 | ||
8ff3fa2e | 1502 | mainLoop.registerEngine(&comm_engine); |
1503 | ||
bef81ea5 | 1504 | mainLoop.setPrimaryEngine(&comm_engine); |
1505 | ||
8ff3fa2e | 1506 | /* use the standard time service */ |
1507 | TimeEngine time_engine; | |
1508 | ||
1509 | mainLoop.setTimeService(&time_engine); | |
1510 | ||
7de94c8c | 1511 | if (IamCoordinatorProcess()) |
4299f876 | 1512 | AsyncJob::Start(Ipc::Coordinator::Instance()); |
095ec2b1 | 1513 | else if (UsingSmp() && (IamWorkerProcess() || IamDiskProcess())) |
4299f876 | 1514 | AsyncJob::Start(new Ipc::Strand); |
10cefb7b | 1515 | |
48d54e4d AJ |
1516 | /* at this point we are finished the synchronous startup. */ |
1517 | starting_up = 0; | |
1518 | ||
8ff3fa2e | 1519 | mainLoop.run(); |
1520 | ||
1521 | if (mainLoop.errcount == 10) | |
1522 | fatal_dump("Event loop exited with failure."); | |
1523 | ||
1524 | /* shutdown squid now */ | |
1525 | SquidShutdown(); | |
62e76326 | 1526 | |
9b7292ce | 1527 | /* NOTREACHED */ |
9b7292ce | 1528 | return 0; |
090089c4 | 1529 | } |
7690e8eb | 1530 | |
b8d8561b | 1531 | static void |
0673c0ba | 1532 | sendSignal(void) |
7690e8eb | 1533 | { |
ff8d0ea6 | 1534 | pid_t pid; |
fedac7e5 | 1535 | debug_log = stderr; |
258ac4d7 | 1536 | |
1537 | if (strcmp(Config.pidFilename, "none") == 0) { | |
e0236918 | 1538 | debugs(0, DBG_IMPORTANT, "No pid_filename specified. Trusting you know what you are doing."); |
258ac4d7 | 1539 | } |
1540 | ||
fedac7e5 | 1541 | pid = readPidFile(); |
62e76326 | 1542 | |
fedac7e5 | 1543 | if (pid > 1) { |
6c1962dd | 1544 | #if USE_WIN32_SERVICE |
6c1962dd | 1545 | if (opt_signal_service) { |
1546 | WIN32_sendSignal(opt_send_signal); | |
1547 | exit(0); | |
cf3edd6f | 1548 | } else { |
7dbca7a4 | 1549 | fprintf(stderr, "%s: ERROR: Could not send ", APP_SHORTNAME); |
6c1962dd | 1550 | fprintf(stderr, "signal to Squid Service:\n"); |
1551 | fprintf(stderr, "missing -n command line switch.\n"); | |
1552 | exit(1); | |
1553 | } | |
6c1962dd | 1554 | /* NOTREACHED */ |
6c1962dd | 1555 | #endif |
1556 | ||
62e76326 | 1557 | if (kill(pid, opt_send_signal) && |
1558 | /* ignore permissions if just running check */ | |
1559 | !(opt_send_signal == 0 && errno == EPERM)) { | |
7dbca7a4 | 1560 | fprintf(stderr, "%s: ERROR: Could not send ", APP_SHORTNAME); |
62e76326 | 1561 | fprintf(stderr, "signal %d to process %d: %s\n", |
1562 | opt_send_signal, (int) pid, xstrerror()); | |
1563 | exit(1); | |
1564 | } | |
fedac7e5 | 1565 | } else { |
205d7c3b | 1566 | if (opt_send_signal != SIGTERM) { |
e08d498f | 1567 | fprintf(stderr, "%s: ERROR: No running copy\n", APP_SHORTNAME); |
205d7c3b AJ |
1568 | exit(1); |
1569 | } else { | |
e08d498f | 1570 | fprintf(stderr, "%s: No running copy\n", APP_SHORTNAME); |
205d7c3b AJ |
1571 | exit(0); |
1572 | } | |
7690e8eb | 1573 | } |
62e76326 | 1574 | |
fedac7e5 | 1575 | /* signal successfully sent */ |
1576 | exit(0); | |
1577 | } | |
f95b8144 | 1578 | |
7aa9bb3e | 1579 | #if !_SQUID_WINDOWS_ |
e18d7fdc | 1580 | /* |
1581 | * This function is run when Squid is in daemon mode, just | |
1582 | * before the parent forks and starts up the child process. | |
1583 | * It can be used for admin-specific tasks, such as notifying | |
1584 | * someone that Squid is (re)started. | |
1585 | */ | |
1586 | static void | |
1587 | mainStartScript(const char *prog) | |
1588 | { | |
ef364f64 | 1589 | char script[MAXPATHLEN]; |
e18d7fdc | 1590 | char *t; |
1591 | size_t sl = 0; | |
1592 | pid_t cpid; | |
1593 | pid_t rpid; | |
1594 | xstrncpy(script, prog, MAXPATHLEN); | |
62e76326 | 1595 | |
e18d7fdc | 1596 | if ((t = strrchr(script, '/'))) { |
62e76326 | 1597 | *(++t) = '\0'; |
1598 | sl = strlen(script); | |
e18d7fdc | 1599 | } |
62e76326 | 1600 | |
e18d7fdc | 1601 | xstrncpy(&script[sl], squid_start_script, MAXPATHLEN - sl); |
62e76326 | 1602 | |
e18d7fdc | 1603 | if ((cpid = fork()) == 0) { |
62e76326 | 1604 | /* child */ |
f75662c9 | 1605 | execl(script, squid_start_script, (char *)NULL); |
482aa790 | 1606 | _exit(-1); |
e18d7fdc | 1607 | } else { |
62e76326 | 1608 | do { |
1191b93b | 1609 | #if _SQUID_NEXT_ |
62e76326 | 1610 | union wait status; |
007d775d | 1611 | rpid = wait4(cpid, &status, 0, NULL); |
e18d7fdc | 1612 | #else |
62e76326 | 1613 | |
1614 | int status; | |
007d775d | 1615 | rpid = waitpid(cpid, &status, 0); |
e18d7fdc | 1616 | #endif |
62e76326 | 1617 | |
1618 | } while (rpid != cpid); | |
e18d7fdc | 1619 | } |
1620 | } | |
1621 | ||
7aa9bb3e | 1622 | #endif /* _SQUID_WINDOWS_ */ |
a50bfe93 | 1623 | |
efd900cb | 1624 | static int |
1625 | checkRunningPid(void) | |
1626 | { | |
b81949b9 | 1627 | // master process must start alone, but its kids processes may co-exist |
7de94c8c | 1628 | if (!IamMasterProcess()) |
b81949b9 AR |
1629 | return 0; |
1630 | ||
efd900cb | 1631 | pid_t pid; |
e0077312 | 1632 | |
1633 | if (!debug_log) | |
1634 | debug_log = stderr; | |
1635 | ||
efd900cb | 1636 | pid = readPidFile(); |
62e76326 | 1637 | |
efd900cb | 1638 | if (pid < 2) |
62e76326 | 1639 | return 0; |
1640 | ||
efd900cb | 1641 | if (kill(pid, 0) < 0) |
62e76326 | 1642 | return 0; |
1643 | ||
fa84c01d | 1644 | debugs(0, DBG_CRITICAL, "Squid is already running! Process ID " << pid); |
62e76326 | 1645 | |
efd900cb | 1646 | return 1; |
1647 | } | |
1648 | ||
f95b8144 | 1649 | static void |
bbe199dc | 1650 | watch_child(char *argv[]) |
f95b8144 | 1651 | { |
7aa9bb3e | 1652 | #if !_SQUID_WINDOWS_ |
f95b8144 | 1653 | char *prog; |
1191b93b | 1654 | #if _SQUID_NEXT_ |
62e76326 | 1655 | |
f95b8144 | 1656 | union wait status; |
1657 | #else | |
62e76326 | 1658 | |
f95b8144 | 1659 | int status; |
1660 | #endif | |
62e76326 | 1661 | |
e3a3b845 | 1662 | pid_t pid; |
c99c5397 | 1663 | #ifdef TIOCNOTTY |
1664 | ||
54f742e7 | 1665 | int i; |
c99c5397 | 1666 | #endif |
1667 | ||
742724a4 | 1668 | int nullfd; |
62e76326 | 1669 | |
7de94c8c | 1670 | if (!IamMasterProcess()) |
62e76326 | 1671 | return; |
1672 | ||
7dbca7a4 | 1673 | openlog(APP_SHORTNAME, LOG_PID | LOG_NDELAY | LOG_CONS, LOG_LOCAL4); |
62e76326 | 1674 | |
54f742e7 | 1675 | if ((pid = fork()) < 0) |
62e76326 | 1676 | syslog(LOG_ALERT, "fork failed: %s", xstrerror()); |
54f742e7 | 1677 | else if (pid > 0) |
62e76326 | 1678 | exit(0); |
1679 | ||
54f742e7 | 1680 | if (setsid() < 0) |
62e76326 | 1681 | syslog(LOG_ALERT, "setsid failed: %s", xstrerror()); |
1682 | ||
efd900cb | 1683 | closelog(); |
62e76326 | 1684 | |
54f742e7 | 1685 | #ifdef TIOCNOTTY |
62e76326 | 1686 | |
c4aefe96 | 1687 | if ((i = open("/dev/tty", O_RDWR | O_TEXT)) >= 0) { |
62e76326 | 1688 | ioctl(i, TIOCNOTTY, NULL); |
1689 | close(i); | |
54f742e7 | 1690 | } |
62e76326 | 1691 | |
54f742e7 | 1692 | #endif |
b05490a8 | 1693 | |
7f6ffd15 | 1694 | /* |
1695 | * RBCOLLINS - if cygwin stackdumps when squid is run without | |
1696 | * -N, check the cygwin1.dll version, it needs to be AT LEAST | |
1697 | * 1.1.3. execvp had a bit overflow error in a loop.. | |
1698 | */ | |
742724a4 | 1699 | /* Connect stdio to /dev/null in daemon mode */ |
4da086c4 | 1700 | nullfd = open(_PATH_DEVNULL, O_RDWR | O_TEXT); |
62e76326 | 1701 | |
e4a1325e | 1702 | if (nullfd < 0) |
4da086c4 | 1703 | fatalf(_PATH_DEVNULL " %s\n", xstrerror()); |
e4a1325e | 1704 | |
742724a4 | 1705 | dup2(nullfd, 0); |
62e76326 | 1706 | |
62493678 | 1707 | if (Debug::log_stderr < 0) { |
62e76326 | 1708 | dup2(nullfd, 1); |
1709 | dup2(nullfd, 2); | |
742724a4 | 1710 | } |
62e76326 | 1711 | |
ca4b9ee6 DK |
1712 | // handle shutdown notifications from kids |
1713 | squid_signal(SIGUSR1, sig_shutdown, SA_RESTART); | |
1714 | ||
13aeac35 AR |
1715 | if (Config.workers > 128) { |
1716 | syslog(LOG_ALERT, "Suspiciously high workers value: %d", | |
5667a628 | 1717 | Config.workers); |
007d775d | 1718 | // but we keep going in hope that user knows best |
5667a628 | 1719 | } |
095ec2b1 AR |
1720 | TheKids.init(); |
1721 | ||
a2515f86 | 1722 | syslog(LOG_NOTICE, "Squid Parent: will start %d kids", (int)TheKids.count()); |
007d775d AR |
1723 | |
1724 | // keep [re]starting kids until it is time to quit | |
f95b8144 | 1725 | for (;;) { |
62e76326 | 1726 | mainStartScript(argv[0]); |
1727 | ||
007d775d | 1728 | // start each kid that needs to be [re]started; once |
10cefb7b | 1729 | for (int i = TheKids.count() - 1; i >= 0; --i) { |
007d775d | 1730 | Kid& kid = TheKids.get(i); |
ca4b9ee6 | 1731 | if (!kid.shouldRestart()) |
007d775d AR |
1732 | continue; |
1733 | ||
1734 | if ((pid = fork()) == 0) { | |
1735 | /* child */ | |
1736 | openlog(APP_SHORTNAME, LOG_PID | LOG_NDELAY | LOG_CONS, LOG_LOCAL4); | |
bc91a636 | 1737 | prog = argv[0]; |
007d775d AR |
1738 | argv[0] = const_cast<char*>(kid.name().termedBuf()); |
1739 | execvp(prog, argv); | |
1740 | syslog(LOG_ALERT, "execvp failed: %s", xstrerror()); | |
1741 | } | |
1742 | ||
1743 | kid.start(pid); | |
095ec2b1 | 1744 | syslog(LOG_NOTICE, "Squid Parent: %s process %d started", |
9199139f | 1745 | kid.name().termedBuf(), pid); |
62e76326 | 1746 | } |
1747 | ||
1748 | /* parent */ | |
7dbca7a4 | 1749 | openlog(APP_SHORTNAME, LOG_PID | LOG_NDELAY | LOG_CONS, LOG_LOCAL4); |
62e76326 | 1750 | |
62e76326 | 1751 | squid_signal(SIGINT, SIG_IGN, SA_RESTART); |
1752 | ||
1191b93b | 1753 | #if _SQUID_NEXT_ |
62e76326 | 1754 | |
1755 | pid = wait3(&status, 0, NULL); | |
1756 | ||
f95b8144 | 1757 | #else |
62e76326 | 1758 | |
1759 | pid = waitpid(-1, &status, 0); | |
1760 | ||
007d775d | 1761 | #endif |
86b91dcd | 1762 | // Loop to collect all stopped kids before we go to sleep below. |
5667a628 | 1763 | do { |
007d775d AR |
1764 | Kid* kid = TheKids.find(pid); |
1765 | if (kid) { | |
1766 | kid->stop(status); | |
1767 | if (kid->calledExit()) { | |
1768 | syslog(LOG_NOTICE, | |
095ec2b1 AR |
1769 | "Squid Parent: %s process %d exited with status %d", |
1770 | kid->name().termedBuf(), | |
5667a628 | 1771 | kid->getPid(), kid->exitStatus()); |
007d775d AR |
1772 | } else if (kid->signaled()) { |
1773 | syslog(LOG_NOTICE, | |
095ec2b1 AR |
1774 | "Squid Parent: %s process %d exited due to signal %d with status %d", |
1775 | kid->name().termedBuf(), | |
5667a628 | 1776 | kid->getPid(), kid->termSignal(), kid->exitStatus()); |
007d775d | 1777 | } else { |
095ec2b1 AR |
1778 | syslog(LOG_NOTICE, "Squid Parent: %s process %d exited", |
1779 | kid->name().termedBuf(), kid->getPid()); | |
007d775d | 1780 | } |
ca4b9ee6 | 1781 | if (kid->hopeless()) { |
1a98557c | 1782 | syslog(LOG_NOTICE, "Squid Parent: %s process %d will not" |
ca4b9ee6 | 1783 | " be restarted due to repeated, frequent failures", |
1a98557c | 1784 | kid->name().termedBuf(), kid->getPid()); |
ca4b9ee6 | 1785 | } |
007d775d AR |
1786 | } else { |
1787 | syslog(LOG_NOTICE, "Squid Parent: unknown child process %d exited", pid); | |
1788 | } | |
1191b93b | 1789 | #if _SQUID_NEXT_ |
007d775d AR |
1790 | } while ((pid = wait3(&status, WNOHANG, NULL)) > 0); |
1791 | #else | |
5667a628 AR |
1792 | } |
1793 | while ((pid = waitpid(-1, &status, WNOHANG)) > 0); | |
62e76326 | 1794 | #endif |
1795 | ||
ca4b9ee6 | 1796 | if (!TheKids.someRunning() && !TheKids.shouldRestartSome()) { |
520e0073 | 1797 | leave_suid(); |
21b7990f AR |
1798 | // XXX: Master process has no main loop and, hence, should not call |
1799 | // RegisteredRunner::startShutdown which promises a loop iteration. | |
1800 | RunRegisteredHere(RegisteredRunner::finishShutdown); | |
520e0073 | 1801 | enter_suid(); |
c011f9bc | 1802 | |
ca4b9ee6 DK |
1803 | if (TheKids.someSignaled(SIGINT) || TheKids.someSignaled(SIGTERM)) { |
1804 | syslog(LOG_ALERT, "Exiting due to unexpected forced shutdown"); | |
1805 | exit(1); | |
1806 | } | |
62e76326 | 1807 | |
ca4b9ee6 DK |
1808 | if (TheKids.allHopeless()) { |
1809 | syslog(LOG_ALERT, "Exiting due to repeated, frequent failures"); | |
1810 | exit(1); | |
1811 | } | |
62e76326 | 1812 | |
007d775d AR |
1813 | exit(0); |
1814 | } | |
06a0fbd3 | 1815 | |
62e76326 | 1816 | squid_signal(SIGINT, SIG_DFL, SA_RESTART); |
1817 | sleep(3); | |
f95b8144 | 1818 | } |
62e76326 | 1819 | |
bbe199dc | 1820 | /* NOTREACHED */ |
7aa9bb3e | 1821 | #endif /* _SQUID_WINDOWS_ */ |
a572d8be | 1822 | |
f95b8144 | 1823 | } |
fff6ad65 | 1824 | |
9ec1a1dc | 1825 | static void |
8ff3fa2e | 1826 | SquidShutdown() |
fff6ad65 | 1827 | { |
d71e4674 AR |
1828 | /* XXX: This function is called after the main loop has quit, which |
1829 | * means that no AsyncCalls would be called, including close handlers. | |
1830 | * TODO: We need to close/shut/free everything that needs calls before | |
1831 | * exiting the loop. | |
26ac0430 | 1832 | */ |
d71e4674 | 1833 | |
6c1962dd | 1834 | #if USE_WIN32_SERVICE |
1835 | WIN32_svcstatusupdate(SERVICE_STOP_PENDING, 10000); | |
1836 | #endif | |
1837 | ||
e0236918 | 1838 | debugs(1, DBG_IMPORTANT, "Shutting down..."); |
95a83c22 | 1839 | dnsShutdown(); |
95d2589c CT |
1840 | #if USE_SSL_CRTD |
1841 | Ssl::Helper::GetInstance()->Shutdown(); | |
2cef0ca6 | 1842 | #endif |
cb4f4424 | 1843 | #if USE_OPENSSL |
f54e3d4c AR |
1844 | if (Ssl::CertValidationHelper::GetInstance()) |
1845 | Ssl::CertValidationHelper::GetInstance()->Shutdown(); | |
95d2589c | 1846 | #endif |
95a83c22 | 1847 | redirectShutdown(); |
1848 | externalAclShutdown(); | |
65d448bc | 1849 | icpClosePorts(); |
d723bf6b | 1850 | #if USE_HTCP |
65d448bc | 1851 | htcpClosePorts(); |
d723bf6b | 1852 | #endif |
59ad6d31 | 1853 | #if SQUID_SNMP |
65d448bc | 1854 | snmpClosePorts(); |
320e9f36 | 1855 | #endif |
eb824054 | 1856 | #if USE_WCCP |
62e76326 | 1857 | |
320e9f36 | 1858 | wccpConnectionClose(); |
d723bf6b | 1859 | #endif |
0b0cfcf2 | 1860 | #if USE_WCCPv2 |
1861 | ||
1862 | wccp2ConnectionClose(); | |
1863 | #endif | |
62e76326 | 1864 | |
fff6ad65 | 1865 | releaseServerSockets(); |
d723bf6b | 1866 | commCloseAllSockets(); |
79039294 AR |
1867 | |
1868 | #if USE_SQUID_ESI | |
1869 | Esi::Clean(); | |
1870 | #endif | |
1871 | ||
9a0a18de | 1872 | #if USE_DELAY_POOLS |
b67e2c8c | 1873 | DelayPools::FreePools(); |
515ec4dc | 1874 | #endif |
2f1431ea | 1875 | #if USE_AUTH |
0bcb6908 | 1876 | authenticateReset(); |
2f1431ea | 1877 | #endif |
6c1962dd | 1878 | #if USE_WIN32_SERVICE |
1879 | ||
1880 | WIN32_svcstatusupdate(SERVICE_STOP_PENDING, 10000); | |
1881 | #endif | |
62e76326 | 1882 | |
c8f4eac4 | 1883 | Store::Root().sync(); /* Flush pending object writes/unlinks */ |
4d075ba0 | 1884 | |
b6b42084 | 1885 | unlinkdClose(); /* after sync/flush. NOP if !USE_UNLINKD */ |
fc68f6b1 | 1886 | |
fff6ad65 | 1887 | storeDirWriteCleanLogs(0); |
1888 | PrintRusage(); | |
1889 | dumpMallocStats(); | |
c8f4eac4 | 1890 | Store::Root().sync(); /* Flush log writes */ |
fff6ad65 | 1891 | storeLogClose(); |
1892 | accessLogClose(); | |
c8f4eac4 | 1893 | Store::Root().sync(); /* Flush log close */ |
59b2d47f | 1894 | StoreFileSystem::FreeAllFs(); |
b9ae18aa | 1895 | DiskIOModule::FreeAllModules(); |
afec404b | 1896 | #if LEAK_CHECK_MODE && 0 /* doesn't work at the moment */ |
62e76326 | 1897 | |
fff6ad65 | 1898 | configFreeMemory(); |
1899 | storeFreeMemory(); | |
33ab18e8 | 1900 | /*stmemFreeMemory(); */ |
fff6ad65 | 1901 | netdbFreeMemory(); |
1902 | ipcacheFreeMemory(); | |
1903 | fqdncacheFreeMemory(); | |
1904 | asnFreeMemory(); | |
26a369ba | 1905 | clientdbFreeMemory(); |
7021844c | 1906 | httpHeaderCleanModule(); |
d2db411c | 1907 | statFreeMemory(); |
f1fc2a8d | 1908 | eventFreeMemory(); |
c68e9c6b | 1909 | mimeFreeMemory(); |
1910 | errorClean(); | |
33ab18e8 | 1911 | #endif |
57fc379e CT |
1912 | // clear StoreController |
1913 | Store::Root(NULL); | |
1914 | ||
fff6ad65 | 1915 | fdDumpOpen(); |
62e76326 | 1916 | |
236d1779 | 1917 | comm_exit(); |
62e76326 | 1918 | |
21b7990f | 1919 | RunRegisteredHere(RegisteredRunner::finishShutdown); |
62e76326 | 1920 | |
553d498c AJ |
1921 | memClean(); |
1922 | ||
7de94c8c | 1923 | if (IamPrimaryProcess()) { |
a2c48c98 AR |
1924 | if (Config.pidFilename && strcmp(Config.pidFilename, "none") != 0) { |
1925 | enter_suid(); | |
1926 | safeunlink(Config.pidFilename, 0); | |
1927 | leave_suid(); | |
1928 | } | |
ab50ee9e | 1929 | } |
62e76326 | 1930 | |
e0236918 | 1931 | debugs(1, DBG_IMPORTANT, "Squid Cache (Version " << version_string << "): Exiting normally."); |
62e76326 | 1932 | |
0cfa98cb | 1933 | /* |
1934 | * DPW 2006-10-23 | |
1935 | * We used to fclose(debug_log) here if it was set, but then | |
1936 | * we forgot to set it to NULL. That caused some coredumps | |
1937 | * because exit() ends up calling a bunch of destructors and | |
1938 | * such. So rather than forcing the debug_log to close, we'll | |
1939 | * leave it open so that those destructors can write some | |
1940 | * debugging if necessary. The file will be closed anyway when | |
1941 | * the process truly exits. | |
1942 | */ | |
62e76326 | 1943 | |
ae1feb30 | 1944 | exit(shutdown_status); |
fff6ad65 | 1945 | } |
bef81ea5 | 1946 |