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30a4f2a8 | 1 | /* |
bde978a6 | 2 | * Copyright (C) 1996-2015 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" |
4a3b98d7 | 28 | #include "dns/forward.h" |
aa839030 | 29 | #include "errorpage.h" |
a553a5a3 | 30 | #include "event.h" |
31 | #include "EventLoop.h" | |
62ee09ca | 32 | #include "ExternalACL.h" |
fc54b8d2 | 33 | #include "fd.h" |
31971e6a | 34 | #include "format/Token.h" |
fc54b8d2 | 35 | #include "fqdncache.h" |
602d9612 | 36 | #include "fs/Module.h" |
eb13c21e | 37 | #include "FwdState.h" |
af69c635 | 38 | #include "globals.h" |
582c2af2 | 39 | #include "htcp.h" |
fc54b8d2 | 40 | #include "HttpHeader.h" |
582c2af2 FC |
41 | #include "HttpReply.h" |
42 | #include "icmp/IcmpSquid.h" | |
43 | #include "icmp/net_db.h" | |
e6ccf245 | 44 | #include "ICP.h" |
4daaf3cb | 45 | #include "ident/Ident.h" |
602d9612 | 46 | #include "ip/tools.h" |
10cefb7b | 47 | #include "ipc/Coordinator.h" |
582c2af2 | 48 | #include "ipc/Kids.h" |
10cefb7b | 49 | #include "ipc/Strand.h" |
602d9612 | 50 | #include "ipcache.h" |
b65ce00c | 51 | #include "mime.h" |
fc54b8d2 | 52 | #include "neighbors.h" |
d5f21615 | 53 | #include "parser/Tokenizer.h" |
582c2af2 | 54 | #include "pconn.h" |
fc54b8d2 FC |
55 | #include "peer_sourcehash.h" |
56 | #include "peer_userhash.h" | |
602d9612 | 57 | #include "PeerSelectState.h" |
582c2af2 | 58 | #include "profiler/Profiler.h" |
c548327a | 59 | #include "redirect.h" |
fc54b8d2 | 60 | #include "refresh.h" |
d87f6b1d | 61 | #include "SBufStatsAction.h" |
bc94e5ca | 62 | #include "send-announce.h" |
4d5904f7 | 63 | #include "SquidConfig.h" |
985c86bc | 64 | #include "SquidTime.h" |
fc54b8d2 | 65 | #include "stat.h" |
e4f1fdae | 66 | #include "StatCounters.h" |
582c2af2 | 67 | #include "Store.h" |
602d9612 A |
68 | #include "store_log.h" |
69 | #include "StoreFileSystem.h" | |
c8f4eac4 | 70 | #include "SwapDir.h" |
602d9612 | 71 | #include "tools.h" |
b6b42084 | 72 | #include "unlinkd.h" |
fc54b8d2 FC |
73 | #include "URL.h" |
74 | #include "wccp.h" | |
75 | #include "wccp2.h" | |
cf3edd6f | 76 | #include "WinSvc.h" |
44a47c6e | 77 | |
582c2af2 FC |
78 | #if USE_ADAPTATION |
79 | #include "adaptation/Config.h" | |
80 | #endif | |
81 | #if USE_ECAP | |
82 | #include "adaptation/ecap/Config.h" | |
83 | #endif | |
84 | #if ICAP_CLIENT | |
85 | #include "adaptation/icap/Config.h" | |
86 | #include "adaptation/icap/icap_log.h" | |
87 | #endif | |
88 | #if USE_AUTH | |
89 | #include "auth/Gadgets.h" | |
90 | #endif | |
91 | #if USE_DELAY_POOLS | |
92 | #include "ClientDelayConfig.h" | |
93 | #endif | |
94 | #if USE_DELAY_POOLS | |
95 | #include "DelayPools.h" | |
96 | #endif | |
57afc994 AR |
97 | #if USE_LOADABLE_MODULES |
98 | #include "LoadableModules.h" | |
99 | #endif | |
95d2589c | 100 | #if USE_SSL_CRTD |
95d2589c CT |
101 | #include "ssl/certificate_db.h" |
102 | #endif | |
cb4f4424 | 103 | #if USE_OPENSSL |
95d2589c | 104 | #include "ssl/context_storage.h" |
602d9612 | 105 | #include "ssl/helper.h" |
95d2589c | 106 | #endif |
b958cb0f | 107 | #if ICAP_CLIENT |
26cc52cb | 108 | #include "adaptation/icap/Config.h" |
b958cb0f | 109 | #endif |
6e5db507 | 110 | #if USE_ECAP |
1f3c65fc | 111 | #include "adaptation/ecap/Config.h" |
6e5db507 | 112 | #endif |
b958cb0f AR |
113 | #if USE_ADAPTATION |
114 | #include "adaptation/Config.h" | |
115 | #endif | |
79039294 AR |
116 | #if USE_SQUID_ESI |
117 | #include "esi/Module.h" | |
118 | #endif | |
9c0a2256 FC |
119 | #if SQUID_SNMP |
120 | #include "snmp_core.h" | |
121 | #endif | |
7b5b7ba8 | 122 | |
1a30fdf5 | 123 | #include <cerrno> |
68dbbe5d AJ |
124 | #if HAVE_GETOPT_H |
125 | #include <getopt.h> | |
126 | #endif | |
25f98340 AJ |
127 | #if HAVE_PATHS_H |
128 | #include <paths.h> | |
129 | #endif | |
582c2af2 FC |
130 | #if HAVE_SYS_WAIT_H |
131 | #include <sys/wait.h> | |
132 | #endif | |
1a774556 | 133 | |
25f98340 | 134 | #if USE_WIN32_SERVICE |
1a774556 | 135 | #include <process.h> |
136 | ||
137 | static int opt_install_service = FALSE; | |
138 | static int opt_remove_service = FALSE; | |
1a774556 | 139 | static int opt_command_line = FALSE; |
82afb125 | 140 | void WIN32_svcstatusupdate(DWORD, DWORD); |
1a774556 | 141 | void WINAPI WIN32_svcHandler(DWORD); |
1a774556 | 142 | #endif |
143 | ||
cf2155f2 | 144 | static int opt_signal_service = FALSE; |
5e6d4736 | 145 | static char *opt_syslog_facility = NULL; |
f53969cc | 146 | static int icpPortNumOverride = 1; /* Want to detect "-u 0" */ |
e13ee7ad | 147 | static int configured_once = 0; |
30a4f2a8 | 148 | #if MALLOC_DBG |
4d64d74a | 149 | static int malloc_debug_level = 0; |
30a4f2a8 | 150 | #endif |
5cd39a10 | 151 | static volatile int do_reconfigure = 0; |
152 | static volatile int do_rotate = 0; | |
2681d383 | 153 | static volatile int do_shutdown = 0; |
ae1feb30 | 154 | static volatile int shutdown_status = 0; |
dbf55289 | 155 | static volatile int do_handle_stopped_child = 0; |
4d7add01 | 156 | |
a2c48c98 AR |
157 | static int RotateSignal = -1; |
158 | static int ReconfigureSignal = -1; | |
159 | static int ShutdownSignal = -1; | |
160 | ||
5cd39a10 | 161 | static void mainRotate(void); |
d71e4674 AR |
162 | static void mainReconfigureStart(void); |
163 | static void mainReconfigureFinish(void*); | |
f5b8bbc4 | 164 | static void mainInitialize(void); |
f5b8bbc4 | 165 | static void usage(void); |
63be0a78 | 166 | static void mainParseOptions(int argc, char *argv[]); |
f5b8bbc4 | 167 | static void sendSignal(void); |
168 | static void serverConnectionsOpen(void); | |
d71e4674 | 169 | static void serverConnectionsClose(void); |
bbe199dc | 170 | static void watch_child(char **); |
85407535 | 171 | static void setEffectiveUser(void); |
8ff3fa2e | 172 | static void SquidShutdown(void); |
b6a2f15e | 173 | static void mainSetCwd(void); |
efd900cb | 174 | static int checkRunningPid(void); |
85407535 | 175 | |
7aa9bb3e | 176 | #if !_SQUID_WINDOWS_ |
e18d7fdc | 177 | static const char *squid_start_script = "squid_start"; |
b293c4d8 | 178 | #endif |
e18d7fdc | 179 | |
9bc73deb | 180 | #if TEST_ACCESS |
181 | #include "test_access.c" | |
182 | #endif | |
183 | ||
63be0a78 | 184 | /** temporary thunk across to the unrefactored store interface */ |
8ff3fa2e | 185 | |
186 | class StoreRootEngine : public AsyncEngine | |
187 | { | |
188 | ||
189 | public: | |
ced8def3 | 190 | int checkEvents(int) { |
8ff3fa2e | 191 | Store::Root().callback(); |
192 | return EVENT_IDLE; | |
193 | }; | |
194 | }; | |
195 | ||
9688b0ae | 196 | class SignalEngine: public AsyncEngine |
a553a5a3 | 197 | { |
198 | ||
199 | public: | |
dbf55289 CT |
200 | #if KILL_PARENT_OPT |
201 | SignalEngine(): parentKillNotified(false) { | |
202 | parentPid = getppid(); | |
203 | } | |
204 | #endif | |
205 | ||
9688b0ae | 206 | virtual int checkEvents(int timeout); |
a553a5a3 | 207 | |
208 | private: | |
0a720258 AR |
209 | static void StopEventLoop(void *) { |
210 | if (EventLoop::Running) | |
211 | EventLoop::Running->stop(); | |
a553a5a3 | 212 | } |
213 | ||
d442618d AJ |
214 | static void FinalShutdownRunners(void *) { |
215 | RunRegisteredHere(RegisteredRunner::endingShutdown); | |
216 | ||
217 | // XXX: this should be a Runner. | |
218 | #if USE_AUTH | |
219 | /* detach the auth components (only do this on full shutdown) */ | |
220 | Auth::Scheme::FreeAll(); | |
221 | #endif | |
222 | ||
223 | eventAdd("SquidTerminate", &StopEventLoop, NULL, 0, 1, false); | |
224 | } | |
225 | ||
9688b0ae | 226 | void doShutdown(time_t wait); |
dbf55289 CT |
227 | void handleStoppedChild(); |
228 | ||
229 | #if KILL_PARENT_OPT | |
230 | bool parentKillNotified; | |
231 | pid_t parentPid; | |
232 | #endif | |
a553a5a3 | 233 | }; |
234 | ||
9688b0ae | 235 | int |
ced8def3 | 236 | SignalEngine::checkEvents(int) |
a553a5a3 | 237 | { |
9688b0ae | 238 | PROF_start(SignalEngine_checkEvents); |
fc68f6b1 | 239 | |
a553a5a3 | 240 | if (do_reconfigure) { |
a918ecc6 AJ |
241 | if (!reconfiguring && configured_once) { |
242 | mainReconfigureStart(); | |
243 | do_reconfigure = 0; | |
244 | } // else wait until previous reconfigure is done | |
a553a5a3 | 245 | } else if (do_rotate) { |
246 | mainRotate(); | |
247 | do_rotate = 0; | |
248 | } else if (do_shutdown) { | |
9688b0ae | 249 | doShutdown(do_shutdown > 0 ? (int) Config.shutdownLifetime : 0); |
a553a5a3 | 250 | do_shutdown = 0; |
26ac0430 | 251 | } |
dbf55289 CT |
252 | if (do_handle_stopped_child) { |
253 | do_handle_stopped_child = 0; | |
254 | handleStoppedChild(); | |
255 | } | |
9688b0ae | 256 | PROF_stop(SignalEngine_checkEvents); |
257 | return EVENT_IDLE; | |
258 | } | |
a553a5a3 | 259 | |
9688b0ae | 260 | void |
261 | SignalEngine::doShutdown(time_t wait) | |
262 | { | |
e0236918 FC |
263 | debugs(1, DBG_IMPORTANT, "Preparing for shutdown after " << statCounter.client_http.requests << " requests"); |
264 | debugs(1, DBG_IMPORTANT, "Waiting " << wait << " seconds for active connections to finish"); | |
8ff3fa2e | 265 | |
dbf55289 CT |
266 | #if KILL_PARENT_OPT |
267 | if (!IamMasterProcess() && !parentKillNotified && ShutdownSignal > 0 && parentPid > 1) { | |
268 | debugs(1, DBG_IMPORTANT, "Killing master process, pid " << parentPid); | |
269 | if (kill(parentPid, ShutdownSignal) < 0) | |
270 | debugs(1, DBG_IMPORTANT, "kill " << parentPid << ": " << xstrerror()); | |
271 | parentKillNotified = true; | |
272 | } | |
273 | #endif | |
9688b0ae | 274 | |
dbf55289 CT |
275 | if (shutting_down) { |
276 | #if !KILL_PARENT_OPT | |
277 | // Already a shutdown signal has received and shutdown is in progress. | |
278 | // Shutdown as soon as possible. | |
279 | wait = 0; | |
9688b0ae | 280 | #endif |
5c634111 | 281 | } else { |
dbf55289 | 282 | shutting_down = 1; |
9688b0ae | 283 | |
dbf55289 CT |
284 | /* run the closure code which can be shared with reconfigure */ |
285 | serverConnectionsClose(); | |
dbf55289 CT |
286 | |
287 | RunRegisteredHere(RegisteredRunner::startShutdown); | |
288 | } | |
289 | ||
290 | #if USE_WIN32_SERVICE | |
5c634111 | 291 | WIN32_svcstatusupdate(SERVICE_STOP_PENDING, (wait + 1) * 1000); |
2f1431ea | 292 | #endif |
21b7990f | 293 | |
d442618d | 294 | eventAdd("SquidShutdown", &FinalShutdownRunners, this, (double) (wait + 1), 1, false); |
a553a5a3 | 295 | } |
296 | ||
dbf55289 CT |
297 | void |
298 | SignalEngine::handleStoppedChild() | |
299 | { | |
300 | #if !_SQUID_WINDOWS_ | |
301 | PidStatus status; | |
302 | pid_t pid; | |
303 | ||
304 | do { | |
305 | pid = WaitForAnyPid(status, WNOHANG); | |
306 | ||
307 | #if HAVE_SIGACTION | |
308 | ||
309 | } while (pid > 0); | |
310 | ||
311 | #else | |
312 | ||
5c634111 SM |
313 | } |
314 | while (pid > 0 || (pid < 0 && errno == EINTR)); | |
dbf55289 CT |
315 | #endif |
316 | #endif | |
317 | } | |
318 | ||
b8d8561b | 319 | static void |
0673c0ba | 320 | usage(void) |
ccff9601 | 321 | { |
0ee4272b | 322 | fprintf(stderr, |
68dbbe5d | 323 | "Usage: %s [-cdzCFNRVYX] [-n name] [-s | -l facility] [-f config-file] [-[au] port] [-k signal]" |
0e657244 | 324 | #if USE_WIN32_SERVICE |
cf2155f2 | 325 | "[-ir] [-O CommandLine]" |
0e657244 | 326 | #endif |
68dbbe5d AJ |
327 | "\n" |
328 | " -h | --help Print help message.\n" | |
329 | " -v | --version Print version details.\n" | |
cf2155f2 | 330 | "\n" |
62e76326 | 331 | " -a port Specify HTTP port number (default: %d).\n" |
332 | " -d level Write debugging to stderr also.\n" | |
333 | " -f file Use given config-file instead of\n" | |
334 | " %s\n" | |
0e657244 | 335 | #if USE_WIN32_SERVICE |
336 | " -i Installs as a Windows Service (see -n option).\n" | |
337 | #endif | |
98fcbb0e AJ |
338 | " -k reconfigure|rotate|shutdown|" |
339 | #ifdef SIGTTIN | |
340 | "restart|" | |
341 | #endif | |
342 | "interrupt|kill|debug|check|parse\n" | |
62e76326 | 343 | " Parse configuration file, then send signal to \n" |
344 | " running copy (except -k parse) and exit.\n" | |
cf2155f2 AJ |
345 | " -n name Specify service name to use for service operations\n" |
346 | " default is: " APP_SHORTNAME ".\n" | |
0e657244 | 347 | #if USE_WIN32_SERVICE |
0e657244 | 348 | " -r Removes a Windows Service (see -n option).\n" |
349 | #endif | |
5e6d4736 | 350 | " -s | -l facility\n" |
351 | " Enable logging to syslog.\n" | |
62e76326 | 352 | " -u port Specify ICP port number (default: %d), disable with 0.\n" |
04632397 | 353 | " -z Create missing swap directories and then exit.\n" |
62e76326 | 354 | " -C Do not catch fatal signals.\n" |
8eb28163 | 355 | " -D OBSOLETE. Scheduled for removal.\n" |
62e76326 | 356 | " -F Don't serve any requests until store is rebuilt.\n" |
357 | " -N No daemon mode.\n" | |
0e657244 | 358 | #if USE_WIN32_SERVICE |
359 | " -O options\n" | |
360 | " Set Windows Service Command line options in Registry.\n" | |
361 | #endif | |
62e76326 | 362 | " -R Do not set REUSEADDR on port.\n" |
363 | " -S Double-check swap during rebuild.\n" | |
62e76326 | 364 | " -X Force full debugging.\n" |
365 | " -Y Only return UDP_HIT or UDP_MISS_NOFETCH during fast reload.\n", | |
7dbca7a4 | 366 | APP_SHORTNAME, CACHE_HTTP_PORT, DefaultConfigFile, CACHE_ICP_PORT); |
77ffc99f | 367 | exit(1); |
ccff9601 | 368 | } |
369 | ||
63be0a78 | 370 | /** |
371 | * Parse the parameters received via command line interface. | |
372 | * | |
68dbbe5d AJ |
373 | * \param argc Number of options received on command line |
374 | * \param argv List of parameters received on command line | |
63be0a78 | 375 | */ |
b8d8561b | 376 | static void |
377 | mainParseOptions(int argc, char *argv[]) | |
090089c4 | 378 | { |
68dbbe5d | 379 | int optIndex = 0; |
090089c4 | 380 | |
68dbbe5d AJ |
381 | // short options |
382 | const char *shortOpStr = | |
0e657244 | 383 | #if USE_WIN32_SERVICE |
f53969cc | 384 | "O:Vir" |
0e657244 | 385 | #endif |
f53969cc | 386 | "CDFNRSYXa:d:f:hk:m::n:sl:u:vz?"; |
68dbbe5d AJ |
387 | |
388 | // long options | |
389 | static struct option squidOptions[] = { | |
390 | {"help", no_argument, 0, 'h'}, | |
391 | {"version", no_argument, 0, 'v'}, | |
392 | {0, 0, 0, 0} | |
393 | }; | |
394 | ||
395 | int c; | |
396 | while ((c = getopt_long(argc, argv, shortOpStr, squidOptions, &optIndex)) != -1) { | |
9b7292ce | 397 | |
26ac0430 | 398 | switch (c) { |
62e76326 | 399 | |
400 | case 'C': | |
63be0a78 | 401 | /** \par C |
402 | * Unset/disabel global option for catchign signals. opt_catch_signals */ | |
62e76326 | 403 | opt_catch_signals = 0; |
404 | break; | |
405 | ||
406 | case 'D': | |
63be0a78 | 407 | /** \par D |
8eb28163 AJ |
408 | * OBSOLETE: WAS: override to prevent optional startup DNS tests. */ |
409 | debugs(1,DBG_CRITICAL, "WARNING: -D command-line option is obsolete."); | |
62e76326 | 410 | break; |
411 | ||
412 | case 'F': | |
63be0a78 | 413 | /** \par F |
414 | * Set global option for foreground rebuild. opt_foreground_rebuild */ | |
62e76326 | 415 | opt_foreground_rebuild = 1; |
416 | break; | |
417 | ||
418 | case 'N': | |
63be0a78 | 419 | /** \par N |
420 | * Set global option for 'no_daemon' mode. opt_no_daemon */ | |
62e76326 | 421 | opt_no_daemon = 1; |
422 | break; | |
63be0a78 | 423 | |
0e657244 | 424 | #if USE_WIN32_SERVICE |
425 | ||
426 | case 'O': | |
63be0a78 | 427 | /** \par O |
428 | * Set global option. opt_command_lin and WIN32_Command_Line */ | |
0e657244 | 429 | opt_command_line = 1; |
430 | WIN32_Command_Line = xstrdup(optarg); | |
431 | break; | |
432 | #endif | |
62e76326 | 433 | |
434 | case 'R': | |
63be0a78 | 435 | /** \par R |
436 | * Unset/disable global option opt_reuseaddr */ | |
62e76326 | 437 | opt_reuseaddr = 0; |
438 | break; | |
439 | ||
440 | case 'S': | |
63be0a78 | 441 | /** \par S |
442 | * Set global option opt_store_doublecheck */ | |
62e76326 | 443 | opt_store_doublecheck = 1; |
444 | break; | |
445 | ||
62e76326 | 446 | case 'X': |
63be0a78 | 447 | /** \par X |
448 | * Force full debugging */ | |
62493678 AJ |
449 | Debug::parseOptions("rotate=0 ALL,9"); |
450 | Debug::override_X = 1; | |
62e76326 | 451 | sigusr2_handle(SIGUSR2); |
62e76326 | 452 | break; |
453 | ||
454 | case 'Y': | |
63be0a78 | 455 | /** \par Y |
456 | * Set global option opt_reload_hit_only */ | |
62e76326 | 457 | opt_reload_hit_only = 1; |
62e76326 | 458 | break; |
459 | ||
0e657244 | 460 | #if USE_WIN32_SERVICE |
461 | ||
462 | case 'i': | |
63be0a78 | 463 | /** \par i |
464 | * Set global option opt_install_service (to TRUE) */ | |
0e657244 | 465 | opt_install_service = TRUE; |
0e657244 | 466 | break; |
0e657244 | 467 | #endif |
468 | ||
62e76326 | 469 | case 'a': |
63be0a78 | 470 | /** \par a |
471 | * Add optional HTTP port as given following the option */ | |
62e76326 | 472 | add_http_port(optarg); |
62e76326 | 473 | break; |
474 | ||
475 | case 'd': | |
63be0a78 | 476 | /** \par d |
68dbbe5d | 477 | * Set global option Debug::log_stderr to the number given following the option */ |
62493678 | 478 | Debug::log_stderr = atoi(optarg); |
62e76326 | 479 | break; |
480 | ||
481 | case 'f': | |
63be0a78 | 482 | /** \par f |
483 | * Load the file given instead of the default squid.conf. */ | |
62e76326 | 484 | xfree(ConfigFile); |
62e76326 | 485 | ConfigFile = xstrdup(optarg); |
62e76326 | 486 | break; |
487 | ||
488 | case 'k': | |
63be0a78 | 489 | /** \par k |
490 | * Run the administrative action given following the option */ | |
fc68f6b1 | 491 | |
63be0a78 | 492 | /** \li When its an unknown option display the usage help. */ |
62e76326 | 493 | if ((int) strlen(optarg) < 1) |
494 | usage(); | |
495 | ||
496 | if (!strncmp(optarg, "reconfigure", strlen(optarg))) | |
63be0a78 | 497 | /** \li On reconfigure send SIGHUP. */ |
62e76326 | 498 | opt_send_signal = SIGHUP; |
499 | else if (!strncmp(optarg, "rotate", strlen(optarg))) | |
63be0a78 | 500 | /** \li On rotate send SIGQUIT or SIGUSR1. */ |
605f2c3e | 501 | #if defined(_SQUID_LINUX_THREADS_) |
62e76326 | 502 | opt_send_signal = SIGQUIT; |
e3175d1f | 503 | #else |
62e76326 | 504 | opt_send_signal = SIGUSR1; |
e3175d1f | 505 | #endif |
62e76326 | 506 | |
507 | else if (!strncmp(optarg, "debug", strlen(optarg))) | |
63be0a78 | 508 | /** \li On debug send SIGTRAP or SIGUSR2. */ |
605f2c3e | 509 | #if defined(_SQUID_LINUX_THREADS_) |
62e76326 | 510 | opt_send_signal = SIGTRAP; |
e3175d1f | 511 | #else |
62e76326 | 512 | opt_send_signal = SIGUSR2; |
62e76326 | 513 | #endif |
514 | ||
515 | else if (!strncmp(optarg, "shutdown", strlen(optarg))) | |
63be0a78 | 516 | /** \li On shutdown send SIGTERM. */ |
62e76326 | 517 | opt_send_signal = SIGTERM; |
518 | else if (!strncmp(optarg, "interrupt", strlen(optarg))) | |
63be0a78 | 519 | /** \li On interrupt send SIGINT. */ |
62e76326 | 520 | opt_send_signal = SIGINT; |
521 | else if (!strncmp(optarg, "kill", strlen(optarg))) | |
63be0a78 | 522 | /** \li On kill send SIGKILL. */ |
62e76326 | 523 | opt_send_signal = SIGKILL; |
ae1feb30 | 524 | |
525 | #ifdef SIGTTIN | |
526 | ||
527 | else if (!strncmp(optarg, "restart", strlen(optarg))) | |
63be0a78 | 528 | /** \li On restart send SIGTTIN. (exit and restart by parent) */ |
529 | opt_send_signal = SIGTTIN; | |
ae1feb30 | 530 | |
531 | #endif | |
532 | ||
62e76326 | 533 | else if (!strncmp(optarg, "check", strlen(optarg))) |
63be0a78 | 534 | /** \li On check send 0 / SIGNULL. */ |
f53969cc | 535 | opt_send_signal = 0; /* SIGNULL */ |
62e76326 | 536 | else if (!strncmp(optarg, "parse", strlen(optarg))) |
63be0a78 | 537 | /** \li On parse set global flag to re-parse the config file only. */ |
538 | opt_parse_cfg_only = 1; | |
62e76326 | 539 | else |
540 | usage(); | |
541 | ||
542 | break; | |
543 | ||
544 | case 'm': | |
63be0a78 | 545 | /** \par m |
546 | * Set global malloc_debug_level to the value given following the option. | |
547 | * if none is given it toggles the xmalloc_trace option on/off */ | |
62e76326 | 548 | if (optarg) { |
30a4f2a8 | 549 | #if MALLOC_DBG |
fc68f6b1 | 550 | malloc_debug_level = atoi(optarg); |
30a4f2a8 | 551 | #else |
fc68f6b1 | 552 | fatal("Need to add -DMALLOC_DBG when compiling to use -mX option"); |
33ab18e8 | 553 | #endif |
62e76326 | 554 | |
e2849af8 | 555 | } |
d9e7ee1f | 556 | break; |
d9e7ee1f | 557 | |
0e657244 | 558 | case 'n': |
63be0a78 | 559 | /** \par n |
cf2155f2 AJ |
560 | * Set global option opt_signal_service (to true). |
561 | * Stores the additional parameter given in global service_name */ | |
eeae1733 | 562 | if (optarg && *optarg != '\0') { |
d5f21615 AJ |
563 | const SBuf t(optarg); |
564 | ::Parser::Tokenizer tok(t); | |
565 | const CharacterSet chr = CharacterSet::ALPHA+CharacterSet::DIGIT; | |
8cb327e9 AR |
566 | if (!tok.prefix(service_name, chr)) |
567 | fatalf("Expected alphanumeric service name for the -n option but got: %s", optarg); | |
568 | if (!tok.atEnd()) | |
569 | fatalf("Garbage after alphanumeric service name in the -n option value: %s", optarg); | |
d5f21615 AJ |
570 | if (service_name.length() > 32) |
571 | fatalf("Service name (-n option) must be limited to 32 characters but got %u", service_name.length()); | |
572 | opt_signal_service = true; | |
573 | } else { | |
574 | fatal("A service name is required for the -n option"); | |
575 | } | |
0e657244 | 576 | break; |
577 | ||
cf2155f2 AJ |
578 | #if USE_WIN32_SERVICE |
579 | ||
0e657244 | 580 | case 'r': |
63be0a78 | 581 | /** \par r |
582 | * Set global option opt_remove_service (to TRUE) */ | |
0e657244 | 583 | opt_remove_service = TRUE; |
584 | ||
585 | break; | |
586 | ||
587 | #endif | |
588 | ||
5e6d4736 | 589 | case 'l': |
63be0a78 | 590 | /** \par l |
591 | * Stores the syslog facility name in global opt_syslog_facility | |
592 | * then performs actions for -s option. */ | |
5c6dae44 | 593 | xfree(opt_syslog_facility); // ignore any previous options sent |
5e6d4736 | 594 | opt_syslog_facility = xstrdup(optarg); |
595 | ||
62e76326 | 596 | case 's': |
63be0a78 | 597 | /** \par s |
598 | * Initialize the syslog for output */ | |
c307aec3 | 599 | #if HAVE_SYSLOG |
62e76326 | 600 | |
5e6d4736 | 601 | _db_set_syslog(opt_syslog_facility); |
0e657244 | 602 | |
62e76326 | 603 | break; |
0e657244 | 604 | |
c307aec3 | 605 | #else |
62e76326 | 606 | |
607 | fatal("Logging to syslog not available on this platform"); | |
0e657244 | 608 | |
62e76326 | 609 | /* NOTREACHED */ |
610 | #endif | |
611 | ||
612 | case 'u': | |
63be0a78 | 613 | /** \par u |
614 | * Store the ICP port number given in global option icpPortNumOverride | |
615 | * ensuring its a positive number. */ | |
62e76326 | 616 | icpPortNumOverride = atoi(optarg); |
617 | ||
618 | if (icpPortNumOverride < 0) | |
619 | icpPortNumOverride = 0; | |
620 | ||
621 | break; | |
622 | ||
623 | case 'v': | |
63be0a78 | 624 | /** \par v |
625 | * Display squid version and build information. Then exit. */ | |
4fe75473 | 626 | printf("Squid Cache: Version %s\n" ,version_string); |
d5f21615 | 627 | printf("Service Name: " SQUIDSBUFPH "\n", SQUIDSBUFPRINT(service_name)); |
4fe75473 FC |
628 | if (strlen(SQUID_BUILD_INFO)) |
629 | printf("%s\n",SQUID_BUILD_INFO); | |
630 | printf( "configure options: %s\n", SQUID_CONFIGURE_OPTIONS); | |
62e76326 | 631 | |
1a774556 | 632 | #if USE_WIN32_SERVICE |
633 | ||
634 | printf("Compiled as Windows System Service.\n"); | |
635 | ||
636 | #endif | |
637 | ||
62e76326 | 638 | exit(0); |
639 | ||
f53969cc | 640 | /* NOTREACHED */ |
62e76326 | 641 | |
642 | case 'z': | |
63be0a78 | 643 | /** \par z |
62493678 AJ |
644 | * Set global option Debug::log_stderr and opt_create_swap_dirs */ |
645 | Debug::log_stderr = 1; | |
62e76326 | 646 | opt_create_swap_dirs = 1; |
62e76326 | 647 | break; |
648 | ||
63be0a78 | 649 | case 'h': |
650 | ||
62e76326 | 651 | case '?': |
652 | ||
653 | default: | |
63be0a78 | 654 | /** \par h,?, or unknown |
655 | * \copydoc usage() */ | |
62e76326 | 656 | usage(); |
657 | ||
658 | break; | |
659 | } | |
9b7292ce | 660 | |
090089c4 | 661 | } |
4d64d74a | 662 | } |
090089c4 | 663 | |
7a2f978b | 664 | /* ARGSUSED */ |
b293c4d8 | 665 | void |
9b7292ce | 666 | rotate_logs(int sig) |
667 | { | |
5cd39a10 | 668 | do_rotate = 1; |
a2c48c98 | 669 | RotateSignal = sig; |
7aa9bb3e | 670 | #if !_SQUID_WINDOWS_ |
30a4f2a8 | 671 | #if !HAVE_SIGACTION |
62e76326 | 672 | |
30a4f2a8 | 673 | signal(sig, rotate_logs); |
674 | #endif | |
a50bfe93 | 675 | #endif |
30a4f2a8 | 676 | } |
677 | ||
7a2f978b | 678 | /* ARGSUSED */ |
b293c4d8 | 679 | void |
9b7292ce | 680 | reconfigure(int sig) |
681 | { | |
5cd39a10 | 682 | do_reconfigure = 1; |
a2c48c98 | 683 | ReconfigureSignal = sig; |
7aa9bb3e | 684 | #if !_SQUID_WINDOWS_ |
30a4f2a8 | 685 | #if !HAVE_SIGACTION |
62e76326 | 686 | |
30a4f2a8 | 687 | signal(sig, reconfigure); |
688 | #endif | |
a50bfe93 | 689 | #endif |
30a4f2a8 | 690 | } |
691 | ||
dbf55289 CT |
692 | /// Shutdown signal handler for master process |
693 | void | |
694 | master_shutdown(int sig) | |
695 | { | |
696 | do_shutdown = 1; | |
697 | ShutdownSignal = sig; | |
698 | ||
699 | #if !_SQUID_WINDOWS_ | |
700 | #if !HAVE_SIGACTION | |
701 | signal(sig, master_shutdown); | |
702 | #endif | |
703 | #endif | |
704 | ||
705 | } | |
706 | ||
b8d8561b | 707 | void |
9b7292ce | 708 | shut_down(int sig) |
709 | { | |
2681d383 | 710 | do_shutdown = sig == SIGINT ? -1 : 1; |
a2c48c98 | 711 | ShutdownSignal = sig; |
d75df34a | 712 | #if defined(SIGTTIN) |
ae1feb30 | 713 | if (SIGTTIN == sig) |
714 | shutdown_status = 1; | |
ae1feb30 | 715 | #endif |
ca4b9ee6 | 716 | |
d75df34a | 717 | #if !_SQUID_WINDOWS_ |
dbf55289 CT |
718 | #if !HAVE_SIGACTION |
719 | signal(sig, shut_down); | |
720 | #endif | |
721 | #endif | |
722 | } | |
62e76326 | 723 | |
dbf55289 CT |
724 | void |
725 | sig_child(int sig) | |
726 | { | |
727 | do_handle_stopped_child = 1; | |
62e76326 | 728 | |
dbf55289 CT |
729 | #if !_SQUID_WINDOWS_ |
730 | #if !HAVE_SIGACTION | |
731 | signal(sig, sig_child); | |
a50bfe93 | 732 | #endif |
6e40f263 | 733 | #endif |
30a4f2a8 | 734 | } |
735 | ||
24382924 | 736 | static void |
9b7292ce | 737 | serverConnectionsOpen(void) |
738 | { | |
7de94c8c AR |
739 | if (IamPrimaryProcess()) { |
740 | #if USE_WCCP | |
5667a628 | 741 | wccpConnectionOpen(); |
7de94c8c | 742 | #endif |
45aae82b | 743 | |
7de94c8c AR |
744 | #if USE_WCCPv2 |
745 | ||
5667a628 | 746 | wccp2ConnectionOpen(); |
7de94c8c AR |
747 | #endif |
748 | } | |
095ec2b1 AR |
749 | // start various proxying services if we are responsible for them |
750 | if (IamWorkerProcess()) { | |
5667a628 | 751 | clientOpenListenSockets(); |
65d448bc | 752 | icpOpenPorts(); |
ace287ee | 753 | #if USE_HTCP |
65d448bc | 754 | htcpOpenPorts(); |
ace287ee | 755 | #endif |
a67d2b2e | 756 | #if SQUID_SNMP |
65d448bc | 757 | snmpOpenPorts(); |
320e9f36 | 758 | #endif |
0b0cfcf2 | 759 | |
5667a628 AR |
760 | icmpEngine.Open(); |
761 | netdbInit(); | |
762 | asnInit(); | |
763 | ACL::Initialize(); | |
764 | peerSelectInit(); | |
765 | ||
766 | carpInit(); | |
2f1431ea | 767 | #if USE_AUTH |
5667a628 | 768 | peerUserHashInit(); |
2f1431ea | 769 | #endif |
5667a628 | 770 | peerSourceHashInit(); |
7de94c8c | 771 | } |
5f3f8d0e | 772 | } |
773 | ||
d71e4674 | 774 | static void |
9b7292ce | 775 | serverConnectionsClose(void) |
776 | { | |
0a5a8601 | 777 | assert(shutting_down || reconfiguring); |
7de94c8c AR |
778 | |
779 | if (IamPrimaryProcess()) { | |
780 | #if USE_WCCP | |
781 | ||
5667a628 | 782 | wccpConnectionClose(); |
7de94c8c AR |
783 | #endif |
784 | #if USE_WCCPv2 | |
785 | ||
5667a628 | 786 | wccp2ConnectionClose(); |
7de94c8c AR |
787 | #endif |
788 | } | |
095ec2b1 | 789 | if (IamWorkerProcess()) { |
434a79b0 | 790 | clientConnectionsClose(); |
5667a628 | 791 | icpConnectionShutdown(); |
72549e05 | 792 | #if USE_HTCP |
5667a628 | 793 | htcpSocketShutdown(); |
72549e05 | 794 | #endif |
62e76326 | 795 | |
5667a628 | 796 | icmpEngine.Close(); |
a67d2b2e | 797 | #if SQUID_SNMP |
65d448bc | 798 | snmpClosePorts(); |
320e9f36 | 799 | #endif |
62e76326 | 800 | |
5667a628 | 801 | asnFreeMemory(); |
7de94c8c | 802 | } |
5f3f8d0e | 803 | } |
804 | ||
b8d8561b | 805 | static void |
d71e4674 | 806 | mainReconfigureStart(void) |
9b7292ce | 807 | { |
e0236918 | 808 | debugs(1, DBG_IMPORTANT, "Reconfiguring Squid Cache (version " << version_string << ")..."); |
5cd39a10 | 809 | reconfiguring = 1; |
d71e4674 AR |
810 | |
811 | // Initiate asynchronous closing sequence | |
15df8349 | 812 | serverConnectionsClose(); |
65d448bc | 813 | icpClosePorts(); |
72549e05 | 814 | #if USE_HTCP |
65d448bc | 815 | htcpClosePorts(); |
72549e05 | 816 | #endif |
4a3b98d7 | 817 | Dns::Shutdown(); |
95d2589c CT |
818 | #if USE_SSL_CRTD |
819 | Ssl::Helper::GetInstance()->Shutdown(); | |
820 | #endif | |
cb4f4424 | 821 | #if USE_OPENSSL |
f54e3d4c AR |
822 | if (Ssl::CertValidationHelper::GetInstance()) |
823 | Ssl::CertValidationHelper::GetInstance()->Shutdown(); | |
95d2589c CT |
824 | Ssl::TheGlobalContextStorage.reconfigureStart(); |
825 | #endif | |
74addf6c | 826 | redirectShutdown(); |
2f1431ea | 827 | #if USE_AUTH |
0bcb6908 | 828 | authenticateReset(); |
2f1431ea | 829 | #endif |
d9572179 | 830 | externalAclShutdown(); |
2db68ce5 | 831 | storeDirCloseSwapLogs(); |
2e923080 | 832 | storeLogClose(); |
833 | accessLogClose(); | |
3ff65596 AR |
834 | #if ICAP_CLIENT |
835 | icapLogClose(); | |
836 | #endif | |
d71e4674 AR |
837 | |
838 | eventAdd("mainReconfigureFinish", &mainReconfigureFinish, NULL, 0, 1, | |
26ac0430 | 839 | false); |
d71e4674 AR |
840 | } |
841 | ||
842 | static void | |
26ac0430 AJ |
843 | mainReconfigureFinish(void *) |
844 | { | |
d71e4674 AR |
845 | debugs(1, 3, "finishing reconfiguring"); |
846 | ||
c68e9c6b | 847 | errorClean(); |
f53969cc | 848 | enter_suid(); /* root to read config file */ |
936b23cd AJ |
849 | |
850 | // we may have disabled the need for PURGE | |
e1381638 | 851 | if (Config2.onoff.enable_purge) |
936b23cd AJ |
852 | Config2.onoff.enable_purge = 2; |
853 | ||
18631119 | 854 | // parse the config returns a count of errors encountered. |
13aeac35 | 855 | const int oldWorkers = Config.workers; |
8951901e AJ |
856 | try { |
857 | if (parseConfigFile(ConfigFile) != 0) { | |
858 | // for now any errors are a fatal condition... | |
859 | self_destruct(); | |
860 | } | |
861 | } catch (...) { | |
18631119 | 862 | // for now any errors are a fatal condition... |
8951901e AJ |
863 | debugs(1, DBG_CRITICAL, "FATAL: Unhandled exception parsing config file. " << |
864 | " Run squid -k parse and check for errors."); | |
18631119 AJ |
865 | self_destruct(); |
866 | } | |
8951901e | 867 | |
13aeac35 AR |
868 | if (oldWorkers != Config.workers) { |
869 | debugs(1, DBG_CRITICAL, "WARNING: Changing 'workers' (from " << | |
5667a628 | 870 | oldWorkers << " to " << Config.workers << |
0b68976e | 871 | ") requires a full restart. It has been ignored by reconfigure."); |
13aeac35 | 872 | Config.workers = oldWorkers; |
a2c48c98 | 873 | } |
936b23cd | 874 | |
21b7990f AR |
875 | RunRegisteredHere(RegisteredRunner::syncConfig); |
876 | ||
96c2bb61 AR |
877 | if (IamPrimaryProcess()) |
878 | CpuAffinityCheck(); | |
879 | CpuAffinityReconfigure(); | |
880 | ||
c642c141 | 881 | setUmask(Config.umask); |
97244680 | 882 | Mem::Report(); |
3aa4adbc | 883 | setEffectiveUser(); |
62493678 | 884 | _db_init(Debug::cache_log, Debug::debugOptions); |
f53969cc SM |
885 | ipcache_restart(); /* clear stuck entries */ |
886 | fqdncache_restart(); /* sigh, fqdncache too */ | |
0e70aa1e | 887 | parseEtcHosts(); |
f53969cc | 888 | errorInitialize(); /* reload error pages */ |
2e923080 | 889 | accessLogInit(); |
76fc7e57 AJ |
890 | |
891 | #if USE_LOADABLE_MODULES | |
892 | LoadableModulesConfigure(Config.loadable_module_names); | |
893 | #endif | |
894 | ||
895 | #if USE_ADAPTATION | |
896 | bool enableAdaptation = false; | |
897 | #if ICAP_CLIENT | |
898 | Adaptation::Icap::TheConfig.finalize(); | |
899 | enableAdaptation = Adaptation::Icap::TheConfig.onoff || enableAdaptation; | |
900 | #endif | |
901 | #if USE_ECAP | |
902 | Adaptation::Ecap::TheConfig.finalize(); // must be after we load modules | |
903 | enableAdaptation = Adaptation::Ecap::TheConfig.onoff || enableAdaptation; | |
904 | #endif | |
905 | Adaptation::Config::Finalize(enableAdaptation); | |
906 | #endif | |
d090e020 | 907 | |
3ff65596 AR |
908 | #if ICAP_CLIENT |
909 | icapLogOpen(); | |
910 | #endif | |
2e923080 | 911 | storeLogOpen(); |
4a3b98d7 | 912 | Dns::Init(); |
95d2589c CT |
913 | #if USE_SSL_CRTD |
914 | Ssl::Helper::GetInstance()->Init(); | |
915 | #endif | |
cb4f4424 | 916 | #if USE_OPENSSL |
2cef0ca6 AR |
917 | if (Ssl::CertValidationHelper::GetInstance()) |
918 | Ssl::CertValidationHelper::GetInstance()->Init(); | |
919 | #endif | |
62e76326 | 920 | |
74addf6c | 921 | redirectInit(); |
2f1431ea | 922 | #if USE_AUTH |
5817ee13 | 923 | authenticateInit(&Auth::TheConfig); |
2f1431ea | 924 | #endif |
d9572179 | 925 | externalAclInit(); |
7de94c8c AR |
926 | |
927 | if (IamPrimaryProcess()) { | |
1f38f50a | 928 | #if USE_WCCP |
62e76326 | 929 | |
5667a628 | 930 | wccpInit(); |
1f38f50a | 931 | #endif |
0b0cfcf2 | 932 | #if USE_WCCPv2 |
933 | ||
5667a628 | 934 | wccp2Init(); |
0b0cfcf2 | 935 | #endif |
7de94c8c | 936 | } |
62e76326 | 937 | |
0ffd22bc | 938 | serverConnectionsOpen(); |
9c2e9b50 | 939 | |
3ee2b4f8 | 940 | neighbors_init(); |
9c2e9b50 | 941 | |
2db68ce5 | 942 | storeDirOpenSwapLogs(); |
9c2e9b50 | 943 | |
9c021a38 | 944 | mimeInit(Config.mimeTablePathname); |
9c2e9b50 | 945 | |
c521ad17 DK |
946 | if (unlinkdNeeded()) |
947 | unlinkdInit(); | |
c521ad17 | 948 | |
9a0a18de | 949 | #if USE_DELAY_POOLS |
b4cd430a CT |
950 | Config.ClientDelay.finalize(); |
951 | #endif | |
952 | ||
926375e6 | 953 | if (Config.onoff.announce) { |
954 | if (!eventFind(start_announce, NULL)) | |
955 | eventAdd("start_announce", start_announce, NULL, 3600.0, 1); | |
956 | } else { | |
957 | if (eventFind(start_announce, NULL)) | |
958 | eventDelete(start_announce, NULL); | |
959 | } | |
960 | ||
dbf55289 | 961 | if (!InDaemonMode()) |
5c634111 | 962 | writePidFile(); /* write PID file */ |
9c2e9b50 | 963 | |
5cd39a10 | 964 | reconfiguring = 0; |
a918ecc6 AJ |
965 | |
966 | // ignore any pending re-reconfigure signals if shutdown received | |
967 | if (do_shutdown) | |
968 | do_reconfigure = 0; | |
5cd39a10 | 969 | } |
970 | ||
971 | static void | |
9b7292ce | 972 | mainRotate(void) |
973 | { | |
cc192b50 | 974 | icmpEngine.Close(); |
e40aa8da | 975 | redirectShutdown(); |
2f1431ea | 976 | #if USE_AUTH |
0bcb6908 | 977 | authenticateRotate(); |
2f1431ea | 978 | #endif |
d9572179 | 979 | externalAclShutdown(); |
0a6dd8fb | 980 | |
f53969cc | 981 | _db_rotate_log(); /* cache.log */ |
5cd39a10 | 982 | storeDirWriteCleanLogs(1); |
f53969cc SM |
983 | storeLogRotate(); /* store.log */ |
984 | accessLogRotate(); /* access.log */ | |
3ff65596 AR |
985 | #if ICAP_CLIENT |
986 | icapLogRotate(); /*icap.log*/ | |
987 | #endif | |
cc192b50 | 988 | icmpEngine.Open(); |
e40aa8da | 989 | redirectInit(); |
2f1431ea | 990 | #if USE_AUTH |
5817ee13 | 991 | authenticateInit(&Auth::TheConfig); |
2f1431ea | 992 | #endif |
d9572179 | 993 | externalAclInit(); |
5f3f8d0e | 994 | } |
995 | ||
067bea91 | 996 | static void |
9b7292ce | 997 | setEffectiveUser(void) |
998 | { | |
fc68f6b1 | 999 | keepCapabilities(); |
f53969cc | 1000 | leave_suid(); /* Run as non privilegied user */ |
1191b93b | 1001 | #if _SQUID_OS2_ |
62e76326 | 1002 | |
cd377065 | 1003 | return; |
1004 | #endif | |
62e76326 | 1005 | |
85407535 | 1006 | if (geteuid() == 0) { |
fa84c01d FC |
1007 | debugs(0, DBG_CRITICAL, "Squid is not safe to run as root! If you must"); |
1008 | debugs(0, DBG_CRITICAL, "start Squid as root, then you must configure"); | |
1009 | debugs(0, DBG_CRITICAL, "it to run as a non-priveledged user with the"); | |
1010 | debugs(0, DBG_CRITICAL, "'cache_effective_user' option in the config file."); | |
62e76326 | 1011 | fatal("Don't run Squid as root, set 'cache_effective_user'!"); |
85407535 | 1012 | } |
1013 | } | |
1014 | ||
dd0cbc64 AR |
1015 | /// changes working directory, providing error reporting |
1016 | static bool | |
1017 | mainChangeDir(const char *dir) | |
1018 | { | |
1019 | if (chdir(dir) == 0) | |
1020 | return true; | |
1021 | ||
1022 | debugs(50, DBG_CRITICAL, "cannot change current directory to " << dir << | |
1023 | ": " << xstrerror()); | |
1024 | return false; | |
1025 | } | |
1026 | ||
133906f5 | 1027 | /// set the working directory. |
b6a2f15e | 1028 | static void |
9b7292ce | 1029 | mainSetCwd(void) |
1030 | { | |
133906f5 | 1031 | static bool chrooted = false; |
133906f5 AJ |
1032 | if (Config.chroot_dir && !chrooted) { |
1033 | chrooted = true; | |
62e76326 | 1034 | |
dd0cbc64 AR |
1035 | if (chroot(Config.chroot_dir) != 0) |
1036 | fatalf("chroot to %s failed: %s", Config.chroot_dir, xstrerror()); | |
133906f5 | 1037 | |
dd0cbc64 AR |
1038 | if (!mainChangeDir("/")) |
1039 | fatalf("chdir to / after chroot to %s failed", Config.chroot_dir); | |
133906f5 AJ |
1040 | } |
1041 | ||
dd0cbc64 AR |
1042 | if (Config.coredump_dir && strcmp("none", Config.coredump_dir) != 0) { |
1043 | if (mainChangeDir(Config.coredump_dir)) { | |
e0236918 | 1044 | debugs(0, DBG_IMPORTANT, "Set Current Directory to " << Config.coredump_dir); |
62e76326 | 1045 | return; |
62e76326 | 1046 | } |
b6a2f15e | 1047 | } |
62e76326 | 1048 | |
02e8115e | 1049 | /* If we don't have coredump_dir or couldn't cd there, report current dir */ |
dd0cbc64 | 1050 | char pathbuf[MAXPATHLEN]; |
4a504376 | 1051 | if (getcwd(pathbuf, MAXPATHLEN)) { |
e0236918 | 1052 | debugs(0, DBG_IMPORTANT, "Current Directory is " << pathbuf); |
4a504376 | 1053 | } else { |
fa84c01d | 1054 | debugs(50, DBG_CRITICAL, "WARNING: Can't find current directory, getcwd: " << xstrerror()); |
4a504376 | 1055 | } |
b6a2f15e | 1056 | } |
1057 | ||
b8d8561b | 1058 | static void |
9b7292ce | 1059 | mainInitialize(void) |
1060 | { | |
efd900cb | 1061 | /* chroot if configured to run inside chroot */ |
133906f5 | 1062 | mainSetCwd(); |
62e76326 | 1063 | |
1758c627 | 1064 | if (opt_catch_signals) { |
62e76326 | 1065 | squid_signal(SIGSEGV, death, SA_NODEFER | SA_RESETHAND); |
1066 | squid_signal(SIGBUS, death, SA_NODEFER | SA_RESETHAND); | |
44f99671 | 1067 | } |
62e76326 | 1068 | |
30a4f2a8 | 1069 | squid_signal(SIGPIPE, SIG_IGN, SA_RESTART); |
1070 | squid_signal(SIGCHLD, sig_child, SA_NODEFER | SA_RESTART); | |
a918ecc6 | 1071 | squid_signal(SIGHUP, reconfigure, SA_RESTART); |
44f99671 | 1072 | |
85407535 | 1073 | setEffectiveUser(); |
62e76326 | 1074 | |
30a4f2a8 | 1075 | if (icpPortNumOverride != 1) |
f45dd259 | 1076 | Config.Port.icp = (unsigned short) icpPortNumOverride; |
30a4f2a8 | 1077 | |
62493678 | 1078 | _db_init(Debug::cache_log, Debug::debugOptions); |
62e76326 | 1079 | |
62493678 | 1080 | fd_open(fileno(debug_log), FD_LOG, Debug::cache_log); |
62e76326 | 1081 | |
fa84c01d | 1082 | debugs(1, DBG_CRITICAL, "Starting Squid Cache version " << version_string << " for " << CONFIG_HOST_TYPE << "..."); |
cf2155f2 | 1083 | debugs(1, DBG_CRITICAL, "Service Name: " << service_name); |
62e76326 | 1084 | |
be266cb2 | 1085 | #if _SQUID_WINDOWS_ |
b293c4d8 | 1086 | if (WIN32_run_mode == _WIN_SQUID_RUN_MODE_SERVICE) { |
fa84c01d | 1087 | debugs(1, DBG_CRITICAL, "Service command line is: " << WIN32_Service_Command_Line); |
b293c4d8 | 1088 | } else |
fa84c01d | 1089 | debugs(1, DBG_CRITICAL, "Running on " << WIN32_OS_string); |
b293c4d8 | 1090 | #endif |
1091 | ||
e0236918 | 1092 | debugs(1, DBG_IMPORTANT, "Process ID " << getpid()); |
095ec2b1 | 1093 | |
e0236918 | 1094 | debugs(1, DBG_IMPORTANT, "Process Roles:" << ProcessRoles()); |
095ec2b1 | 1095 | |
f3f0f563 | 1096 | setSystemLimits(); |
e0236918 | 1097 | debugs(1, DBG_IMPORTANT, "With " << Squid_MaxFD << " file descriptors available"); |
5f3f8d0e | 1098 | |
7aa9bb3e | 1099 | #if _SQUID_WINDOWS_ |
6c1962dd | 1100 | |
e0236918 | 1101 | debugs(1, DBG_IMPORTANT, "With " << _getmaxstdio() << " CRT stdio descriptors available"); |
6c1962dd | 1102 | |
1103 | if (WIN32_Socks_initialized) | |
e0236918 | 1104 | debugs(1, DBG_IMPORTANT, "Windows sockets initialized"); |
6c1962dd | 1105 | |
babd1fd5 | 1106 | if (WIN32_OS_version > _WIN_OS_WINNT) { |
26ac0430 | 1107 | WIN32_IpAddrChangeMonitorInit(); |
babd1fd5 | 1108 | } |
1109 | ||
6c1962dd | 1110 | #endif |
1111 | ||
9f75c559 | 1112 | if (!configured_once) |
f53969cc | 1113 | disk_init(); /* disk_init must go before ipcache_init() */ |
62e76326 | 1114 | |
5f3f8d0e | 1115 | ipcache_init(); |
62e76326 | 1116 | |
f88bb09c | 1117 | fqdncache_init(); |
62e76326 | 1118 | |
0e70aa1e | 1119 | parseEtcHosts(); |
62e76326 | 1120 | |
4a3b98d7 | 1121 | Dns::Init(); |
62e76326 | 1122 | |
586089cd CT |
1123 | #if USE_SSL_CRTD |
1124 | Ssl::Helper::GetInstance()->Init(); | |
1125 | #endif | |
1126 | ||
cb4f4424 | 1127 | #if USE_OPENSSL |
10a69fc0 CT |
1128 | if (!configured_once) |
1129 | Ssl::initialize_session_cache(); | |
1130 | ||
2cef0ca6 AR |
1131 | if (Ssl::CertValidationHelper::GetInstance()) |
1132 | Ssl::CertValidationHelper::GetInstance()->Init(); | |
1133 | #endif | |
1134 | ||
74addf6c | 1135 | redirectInit(); |
2f1431ea | 1136 | #if USE_AUTH |
5817ee13 | 1137 | authenticateInit(&Auth::TheConfig); |
2f1431ea | 1138 | #endif |
d9572179 | 1139 | externalAclInit(); |
62e76326 | 1140 | |
f53969cc | 1141 | httpHeaderInitModule(); /* must go before any header processing (e.g. the one in errorInitialize) */ |
62e76326 | 1142 | |
f53969cc | 1143 | httpReplyInitModule(); /* must go before accepting replies */ |
62e76326 | 1144 | |
9b312a19 | 1145 | errorInitialize(); |
62e76326 | 1146 | |
7a2f978b | 1147 | accessLogInit(); |
62e76326 | 1148 | |
e1381638 | 1149 | #if ICAP_CLIENT |
3ff65596 AR |
1150 | icapLogOpen(); |
1151 | #endif | |
1152 | ||
3898f57f | 1153 | #if USE_IDENT |
4daaf3cb | 1154 | Ident::Init(); |
3898f57f | 1155 | #endif |
4daaf3cb | 1156 | |
59ad6d31 | 1157 | #if SQUID_SNMP |
62e76326 | 1158 | |
5e14bf6d | 1159 | snmpInit(); |
62e76326 | 1160 | |
5e14bf6d | 1161 | #endif |
30a4f2a8 | 1162 | #if MALLOC_DBG |
62e76326 | 1163 | |
5f3f8d0e | 1164 | malloc_debug(0, malloc_debug_level); |
62e76326 | 1165 | |
5f3f8d0e | 1166 | #endif |
1167 | ||
dbe4fd8e | 1168 | if (!configured_once) { |
c521ad17 DK |
1169 | if (unlinkdNeeded()) |
1170 | unlinkdInit(); | |
62e76326 | 1171 | |
1172 | urlInitialize(); | |
62e76326 | 1173 | statInit(); |
1174 | storeInit(); | |
1175 | mainSetCwd(); | |
62e76326 | 1176 | mimeInit(Config.mimeTablePathname); |
62e76326 | 1177 | refreshInit(); |
9a0a18de | 1178 | #if USE_DELAY_POOLS |
62e76326 | 1179 | DelayPools::Init(); |
0d7e5d78 | 1180 | #endif |
62e76326 | 1181 | |
b6b6f466 | 1182 | FwdState::initModule(); |
62ee09ca | 1183 | /* register the modules in the cache manager menus */ |
62ee09ca | 1184 | |
a08f1b5a | 1185 | cbdataRegisterWithCacheManager(); |
d87f6b1d HN |
1186 | SBufStatsAction::RegisterWithCacheManager(); |
1187 | ||
62ee09ca | 1188 | /* These use separate calls so that the comm loops can eventually |
1189 | * coexist. | |
1190 | */ | |
62ee09ca | 1191 | |
15b3c0d7 | 1192 | eventInit(); |
610ee341 | 1193 | |
26ac0430 | 1194 | // TODO: pconn is a good candidate for new-style registration |
6852be71 | 1195 | // PconnModule::GetInstance()->registerWithCacheManager(); |
26ac0430 | 1196 | // moved to PconnModule::PconnModule() |
5f3f8d0e | 1197 | } |
62e76326 | 1198 | |
7de94c8c | 1199 | if (IamPrimaryProcess()) { |
1f38f50a | 1200 | #if USE_WCCP |
5667a628 | 1201 | wccpInit(); |
62e76326 | 1202 | |
0b0cfcf2 | 1203 | #endif |
1204 | #if USE_WCCPv2 | |
1205 | ||
5667a628 | 1206 | wccp2Init(); |
0b0cfcf2 | 1207 | |
1f38f50a | 1208 | #endif |
7de94c8c | 1209 | } |
62e76326 | 1210 | |
2285407f | 1211 | serverConnectionsOpen(); |
62e76326 | 1212 | |
3ee2b4f8 | 1213 | neighbors_init(); |
fc68f6b1 | 1214 | |
5f5e883f | 1215 | // neighborsRegisterWithCacheManager(); //moved to neighbors_init() |
62e76326 | 1216 | |
efd900cb | 1217 | if (Config.chroot_dir) |
62e76326 | 1218 | no_suid(); |
1219 | ||
dbf55289 | 1220 | if (!configured_once && !InDaemonMode()) |
f53969cc | 1221 | writePidFile(); /* write PID file */ |
0a5b9b32 | 1222 | |
605f2c3e | 1223 | #if defined(_SQUID_LINUX_THREADS_) |
62e76326 | 1224 | |
e3175d1f | 1225 | squid_signal(SIGQUIT, rotate_logs, SA_RESTART); |
62e76326 | 1226 | |
e3175d1f | 1227 | squid_signal(SIGTRAP, sigusr2_handle, SA_RESTART); |
62e76326 | 1228 | |
e3175d1f | 1229 | #else |
62e76326 | 1230 | |
30a4f2a8 | 1231 | squid_signal(SIGUSR1, rotate_logs, SA_RESTART); |
62e76326 | 1232 | |
30a4f2a8 | 1233 | squid_signal(SIGUSR2, sigusr2_handle, SA_RESTART); |
62e76326 | 1234 | |
9fc0b4b8 | 1235 | #endif |
62e76326 | 1236 | |
dbf55289 | 1237 | squid_signal(SIGTERM, shut_down, SA_RESTART); |
62e76326 | 1238 | |
dbf55289 | 1239 | squid_signal(SIGINT, shut_down, SA_RESTART); |
62e76326 | 1240 | |
ae1feb30 | 1241 | #ifdef SIGTTIN |
1242 | ||
dbf55289 | 1243 | squid_signal(SIGTTIN, shut_down, SA_RESTART); |
ae1feb30 | 1244 | |
1245 | #endif | |
1246 | ||
58a39dc9 | 1247 | memCheckInit(); |
62e76326 | 1248 | |
57afc994 AR |
1249 | #if USE_LOADABLE_MODULES |
1250 | LoadableModulesConfigure(Config.loadable_module_names); | |
1251 | #endif | |
1252 | ||
8f361c50 AR |
1253 | #if USE_ADAPTATION |
1254 | bool enableAdaptation = false; | |
1255 | ||
1256 | // We can remove this dependency on specific adaptation mechanisms | |
1257 | // if we create a generic Registry of such mechanisms. Should we? | |
b958cb0f | 1258 | #if ICAP_CLIENT |
26cc52cb AR |
1259 | Adaptation::Icap::TheConfig.finalize(); |
1260 | enableAdaptation = Adaptation::Icap::TheConfig.onoff || enableAdaptation; | |
6e5db507 AR |
1261 | #endif |
1262 | #if USE_ECAP | |
574b508c AR |
1263 | Adaptation::Ecap::TheConfig.finalize(); // must be after we load modules |
1264 | enableAdaptation = Adaptation::Ecap::TheConfig.onoff || enableAdaptation; | |
b958cb0f | 1265 | #endif |
8f361c50 AR |
1266 | // must be the last adaptation-related finalize |
1267 | Adaptation::Config::Finalize(enableAdaptation); | |
b958cb0f AR |
1268 | #endif |
1269 | ||
79039294 AR |
1270 | #if USE_SQUID_ESI |
1271 | Esi::Init(); | |
1272 | #endif | |
b958cb0f | 1273 | |
9a0a18de | 1274 | #if USE_DELAY_POOLS |
b4cd430a CT |
1275 | Config.ClientDelay.finalize(); |
1276 | #endif | |
1277 | ||
dbe4fd8e | 1278 | if (!configured_once) { |
c8f4eac4 | 1279 | eventAdd("storeMaintain", Store::Maintain, NULL, 1.0, 1); |
62e76326 | 1280 | |
1281 | if (Config.onoff.announce) | |
1282 | eventAdd("start_announce", start_announce, NULL, 3600.0, 1); | |
1283 | ||
1284 | eventAdd("ipcache_purgelru", ipcache_purgelru, NULL, 10.0, 1); | |
1285 | ||
1286 | eventAdd("fqdncache_purgelru", fqdncache_purgelru, NULL, 15.0, 1); | |
1287 | ||
88bfe092 | 1288 | #if USE_XPROF_STATS |
62e76326 | 1289 | |
1290 | eventAdd("cpuProfiling", xprof_event, NULL, 1.0, 1); | |
1291 | ||
88bfe092 | 1292 | #endif |
62e76326 | 1293 | |
1294 | eventAdd("memPoolCleanIdlePools", Mem::CleanIdlePools, NULL, 15.0, 1); | |
4d7add01 | 1295 | } |
62e76326 | 1296 | |
dbe4fd8e | 1297 | configured_once = 1; |
4d64d74a | 1298 | } |
1299 | ||
c842329d | 1300 | /// unsafe main routine -- may throw |
f3f3e961 | 1301 | int SquidMain(int argc, char **argv); |
c842329d | 1302 | /// unsafe main routine wrapper to catch exceptions |
6e5db507 AR |
1303 | static int SquidMainSafe(int argc, char **argv); |
1304 | ||
6c1962dd | 1305 | #if USE_WIN32_SERVICE |
a74922b5 | 1306 | /* Entry point for Windows services */ |
6c1962dd | 1307 | extern "C" void WINAPI |
e1381638 | 1308 | SquidWinSvcMain(int argc, char **argv) |
18631119 AJ |
1309 | { |
1310 | SquidMainSafe(argc, argv); | |
1311 | } | |
a74922b5 AJ |
1312 | #endif |
1313 | ||
b8d8561b | 1314 | int |
1315 | main(int argc, char **argv) | |
6e5db507 | 1316 | { |
a74922b5 AJ |
1317 | #if USE_WIN32_SERVICE |
1318 | SetErrorMode(SEM_NOGPFAULTERRORBOX); | |
1319 | if ((argc == 2) && strstr(argv[1], _WIN_SQUID_SERVICE_OPTION)) | |
1320 | return WIN32_StartService(argc, argv); | |
1321 | else { | |
1322 | WIN32_run_mode = _WIN_SQUID_RUN_MODE_INTERACTIVE; | |
1323 | opt_no_daemon = 1; | |
1324 | } | |
1325 | #endif | |
1326 | ||
18631119 | 1327 | return SquidMainSafe(argc, argv); |
6e5db507 AR |
1328 | } |
1329 | ||
1330 | static int | |
1331 | SquidMainSafe(int argc, char **argv) | |
1332 | { | |
1333 | try { | |
1334 | return SquidMain(argc, argv); | |
26ac0430 | 1335 | } catch (const std::exception &e) { |
51618c6a | 1336 | debugs(1, DBG_CRITICAL, "FATAL: dying from an unhandled exception: " << |
9199139f | 1337 | e.what()); |
26ac0430 AJ |
1338 | throw; |
1339 | } catch (...) { | |
51618c6a | 1340 | debugs(1, DBG_CRITICAL, "FATAL: dying from an unhandled exception."); |
26ac0430 AJ |
1341 | throw; |
1342 | } | |
1343 | return -1; // not reached | |
6e5db507 AR |
1344 | } |
1345 | ||
d4a3e179 AR |
1346 | /// computes name and ID for the current kid process |
1347 | static void | |
1348 | ConfigureCurrentKid(const char *processName) | |
1349 | { | |
5667a628 | 1350 | // kids are marked with parenthesis around their process names |
d4a3e179 AR |
1351 | if (processName && processName[0] == '(') { |
1352 | if (const char *idStart = strrchr(processName, '-')) { | |
1353 | KidIdentifier = atoi(idStart + 1); | |
9de6c973 AR |
1354 | const size_t nameLen = idStart - (processName + 1); |
1355 | assert(nameLen < sizeof(TheKidName)); | |
1356 | xstrncpy(TheKidName, processName + 1, nameLen + 1); | |
095ec2b1 AR |
1357 | if (!strcmp(TheKidName, "squid-coord")) |
1358 | TheProcessKind = pkCoordinator; | |
9199139f | 1359 | else if (!strcmp(TheKidName, "squid")) |
095ec2b1 | 1360 | TheProcessKind = pkWorker; |
9199139f | 1361 | else if (!strcmp(TheKidName, "squid-disk")) |
095ec2b1 AR |
1362 | TheProcessKind = pkDisker; |
1363 | else | |
1364 | TheProcessKind = pkOther; // including coordinator | |
d4a3e179 | 1365 | } |
2664c457 | 1366 | } else { |
9de6c973 | 1367 | xstrncpy(TheKidName, APP_SHORTNAME, sizeof(TheKidName)); |
2664c457 | 1368 | KidIdentifier = 0; |
d4a3e179 | 1369 | } |
d4a3e179 AR |
1370 | } |
1371 | ||
f3f3e961 | 1372 | int |
6e5db507 | 1373 | SquidMain(int argc, char **argv) |
9b7292ce | 1374 | { |
d4a3e179 | 1375 | ConfigureCurrentKid(argv[0]); |
007d775d | 1376 | |
fb6a61d1 | 1377 | Debug::parseOptions(NULL); |
9b7292ce | 1378 | debug_log = stderr; |
62e76326 | 1379 | |
b9269882 | 1380 | #if defined(SQUID_MAXFD_LIMIT) |
1381 | ||
1382 | if (SQUID_MAXFD_LIMIT < Squid_MaxFD) | |
1383 | Squid_MaxFD = SQUID_MAXFD_LIMIT; | |
1384 | ||
1385 | #endif | |
399e85ea | 1386 | |
cf3edd6f FC |
1387 | /* NOP under non-windows */ |
1388 | int WIN32_init_err=0; | |
a0aa9e74 | 1389 | if ((WIN32_init_err = WIN32_Subsystem_Init(&argc, &argv))) |
1390 | return WIN32_init_err; | |
0e6d05ef | 1391 | |
9b7292ce | 1392 | /* call mallopt() before anything else */ |
0b29fe44 | 1393 | #if HAVE_MALLOPT |
7328e889 | 1394 | #ifdef M_GRAIN |
9b7292ce | 1395 | /* Round up all sizes to a multiple of this */ |
1396 | mallopt(M_GRAIN, 16); | |
62e76326 | 1397 | |
7328e889 | 1398 | #endif |
1399 | #ifdef M_MXFAST | |
9b7292ce | 1400 | /* biggest size that is considered a small block */ |
1401 | mallopt(M_MXFAST, 256); | |
62e76326 | 1402 | |
7328e889 | 1403 | #endif |
1404 | #ifdef M_NBLKS | |
9b7292ce | 1405 | /* allocate this many small blocks at once */ |
1406 | mallopt(M_NLBLKS, 32); | |
62e76326 | 1407 | |
7328e889 | 1408 | #endif |
1409 | #endif /* HAVE_MALLOPT */ | |
1410 | ||
9b7292ce | 1411 | getCurrentTime(); |
62e76326 | 1412 | |
9b7292ce | 1413 | squid_start = current_time; |
62e76326 | 1414 | |
9b7292ce | 1415 | failure_notify = fatal_dump; |
4d64d74a | 1416 | |
6c1962dd | 1417 | #if USE_WIN32_SERVICE |
1418 | ||
9b7292ce | 1419 | WIN32_svcstatusupdate(SERVICE_START_PENDING, 10000); |
6c1962dd | 1420 | |
1421 | #endif | |
1422 | ||
9b7292ce | 1423 | mainParseOptions(argc, argv); |
4d64d74a | 1424 | |
9aae6be3 | 1425 | if (opt_parse_cfg_only) { |
26ac0430 | 1426 | Debug::parseOptions("ALL,1"); |
9aae6be3 | 1427 | } |
1428 | ||
6c1962dd | 1429 | #if USE_WIN32_SERVICE |
1430 | ||
26ac0430 | 1431 | if (opt_install_service) { |
9b7292ce | 1432 | WIN32_InstallService(); |
a0aa9e74 | 1433 | return 0; |
9b7292ce | 1434 | } |
6c1962dd | 1435 | |
26ac0430 | 1436 | if (opt_remove_service) { |
9b7292ce | 1437 | WIN32_RemoveService(); |
a0aa9e74 | 1438 | return 0; |
9b7292ce | 1439 | } |
6c1962dd | 1440 | |
26ac0430 | 1441 | if (opt_command_line) { |
9b7292ce | 1442 | WIN32_SetServiceCommandLine(); |
a0aa9e74 | 1443 | return 0; |
9b7292ce | 1444 | } |
6c1962dd | 1445 | |
1446 | #endif | |
1447 | ||
9b7292ce | 1448 | /* parse configuration file |
1449 | * note: in "normal" case this used to be called from mainInitialize() */ | |
1450 | { | |
1451 | int parse_err; | |
62e76326 | 1452 | |
9b7292ce | 1453 | if (!ConfigFile) |
1454 | ConfigFile = xstrdup(DefaultConfigFile); | |
62e76326 | 1455 | |
9b7292ce | 1456 | assert(!configured_once); |
62e76326 | 1457 | |
9b7292ce | 1458 | Mem::Init(); |
62e76326 | 1459 | |
f53969cc | 1460 | storeFsInit(); /* required for config parsing */ |
62e76326 | 1461 | |
7b5b7ba8 | 1462 | /* TODO: call the FS::Clean() in shutdown to do Fs cleanups */ |
af6a12ee | 1463 | Fs::Init(); |
7b5b7ba8 | 1464 | |
b9ae18aa | 1465 | /* May not be needed for parsing, have not audited for such */ |
1466 | DiskIOModule::SetupAllModules(); | |
1467 | ||
59b2d47f | 1468 | /* Shouldn't be needed for config parsing, but have not audited for such */ |
1469 | StoreFileSystem::SetupAllFs(); | |
1470 | ||
c8f4eac4 | 1471 | /* we may want the parsing process to set this up in the future */ |
1472 | Store::Root(new StoreController); | |
89736861 | 1473 | Auth::Init(); /* required for config parsing. NOP if !USE_AUTH */ |
055421ee AJ |
1474 | Ip::ProbeTransport(); // determine IPv4 or IPv6 capabilities before parsing. |
1475 | ||
31971e6a AJ |
1476 | Format::Token::Init(); // XXX: temporary. Use a runners registry of pre-parse runners instead. |
1477 | ||
8951901e | 1478 | try { |
a918ecc6 | 1479 | do_reconfigure = 0; // ignore any early (boot/startup) reconfigure signals |
8951901e AJ |
1480 | parse_err = parseConfigFile(ConfigFile); |
1481 | } catch (...) { | |
1482 | // for now any errors are a fatal condition... | |
1483 | debugs(1, DBG_CRITICAL, "FATAL: Unhandled exception parsing config file." << | |
1484 | (opt_parse_cfg_only ? " Run squid -k parse and check for errors." : "")); | |
1485 | parse_err = 1; | |
1486 | } | |
62e76326 | 1487 | |
97244680 | 1488 | Mem::Report(); |
26ac0430 | 1489 | |
18631119 | 1490 | if (opt_parse_cfg_only || parse_err > 0) |
9b7292ce | 1491 | return parse_err; |
9b7292ce | 1492 | } |
c642c141 | 1493 | setUmask(Config.umask); |
9b7292ce | 1494 | if (-1 == opt_send_signal) |
1495 | if (checkRunningPid()) | |
205d7c3b | 1496 | exit(0); |
e13ee7ad | 1497 | |
9bc73deb | 1498 | #if TEST_ACCESS |
62e76326 | 1499 | |
95564b0d | 1500 | comm_init(); |
62e76326 | 1501 | |
9b7292ce | 1502 | mainInitialize(); |
62e76326 | 1503 | |
9b7292ce | 1504 | test_access(); |
62e76326 | 1505 | |
9b7292ce | 1506 | return 0; |
62e76326 | 1507 | |
9bc73deb | 1508 | #endif |
1509 | ||
9b7292ce | 1510 | /* send signal to running copy and exit */ |
26ac0430 | 1511 | if (opt_send_signal != -1) { |
9b7292ce | 1512 | /* chroot if configured to run inside chroot */ |
133906f5 | 1513 | mainSetCwd(); |
a572d8be | 1514 | if (Config.chroot_dir) { |
a572d8be | 1515 | no_suid(); |
1516 | } else { | |
1517 | leave_suid(); | |
9b7292ce | 1518 | } |
62e76326 | 1519 | |
9b7292ce | 1520 | sendSignal(); |
1521 | /* NOTREACHED */ | |
1522 | } | |
62e76326 | 1523 | |
6d57128b | 1524 | debugs(1,2, HERE << "Doing post-config initialization\n"); |
520e0073 | 1525 | leave_suid(); |
21b7990f AR |
1526 | RunRegisteredHere(RegisteredRunner::finalizeConfig); |
1527 | RunRegisteredHere(RegisteredRunner::claimMemoryNeeds); | |
1528 | RunRegisteredHere(RegisteredRunner::useConfig); | |
520e0073 | 1529 | enter_suid(); |
9487bae9 | 1530 | |
dbf55289 | 1531 | if (InDaemonMode() && IamMasterProcess()) { |
2ae5c85f | 1532 | watch_child(argv); |
dbf55289 CT |
1533 | // NOTREACHED |
1534 | } | |
2ae5c85f | 1535 | |
26ac0430 | 1536 | if (opt_create_swap_dirs) { |
9b7292ce | 1537 | /* chroot if configured to run inside chroot */ |
133906f5 | 1538 | mainSetCwd(); |
62e76326 | 1539 | |
9b7292ce | 1540 | setEffectiveUser(); |
04632397 | 1541 | debugs(0, DBG_CRITICAL, "Creating missing swap directories"); |
c8f4eac4 | 1542 | Store::Root().create(); |
6c1962dd | 1543 | |
9b7292ce | 1544 | return 0; |
9b7292ce | 1545 | } |
62e76326 | 1546 | |
96c2bb61 AR |
1547 | if (IamPrimaryProcess()) |
1548 | CpuAffinityCheck(); | |
1549 | CpuAffinityInit(); | |
1550 | ||
95564b0d | 1551 | setMaxFD(); |
1552 | ||
1553 | /* init comm module */ | |
1554 | comm_init(); | |
62e76326 | 1555 | |
26ac0430 | 1556 | if (opt_no_daemon) { |
9b7292ce | 1557 | /* we have to init fdstat here. */ |
1558 | fd_open(0, FD_LOG, "stdin"); | |
1559 | fd_open(1, FD_LOG, "stdout"); | |
1560 | fd_open(2, FD_LOG, "stderr"); | |
1561 | } | |
62e76326 | 1562 | |
6c1962dd | 1563 | #if USE_WIN32_SERVICE |
1564 | ||
9b7292ce | 1565 | WIN32_svcstatusupdate(SERVICE_START_PENDING, 10000); |
6c1962dd | 1566 | |
1567 | #endif | |
1568 | ||
9b7292ce | 1569 | mainInitialize(); |
4d64d74a | 1570 | |
6c1962dd | 1571 | #if USE_WIN32_SERVICE |
1572 | ||
9b7292ce | 1573 | WIN32_svcstatusupdate(SERVICE_RUNNING, 0); |
6c1962dd | 1574 | |
1575 | #endif | |
1576 | ||
9b7292ce | 1577 | /* main loop */ |
a553a5a3 | 1578 | EventLoop mainLoop; |
62e76326 | 1579 | |
0a720258 | 1580 | SignalEngine signalEngine; |
6c1962dd | 1581 | |
9688b0ae | 1582 | mainLoop.registerEngine(&signalEngine); |
62e76326 | 1583 | |
8ff3fa2e | 1584 | /* TODO: stop requiring the singleton here */ |
1585 | mainLoop.registerEngine(EventScheduler::GetInstance()); | |
62e76326 | 1586 | |
8ff3fa2e | 1587 | StoreRootEngine store_engine; |
615f9581 | 1588 | |
8ff3fa2e | 1589 | mainLoop.registerEngine(&store_engine); |
a774fd3f | 1590 | |
8ff3fa2e | 1591 | CommSelectEngine comm_engine; |
1592 | ||
8ff3fa2e | 1593 | mainLoop.registerEngine(&comm_engine); |
1594 | ||
bef81ea5 | 1595 | mainLoop.setPrimaryEngine(&comm_engine); |
1596 | ||
8ff3fa2e | 1597 | /* use the standard time service */ |
1598 | TimeEngine time_engine; | |
1599 | ||
1600 | mainLoop.setTimeService(&time_engine); | |
1601 | ||
7de94c8c | 1602 | if (IamCoordinatorProcess()) |
4299f876 | 1603 | AsyncJob::Start(Ipc::Coordinator::Instance()); |
095ec2b1 | 1604 | else if (UsingSmp() && (IamWorkerProcess() || IamDiskProcess())) |
4299f876 | 1605 | AsyncJob::Start(new Ipc::Strand); |
10cefb7b | 1606 | |
48d54e4d AJ |
1607 | /* at this point we are finished the synchronous startup. */ |
1608 | starting_up = 0; | |
1609 | ||
8ff3fa2e | 1610 | mainLoop.run(); |
1611 | ||
1612 | if (mainLoop.errcount == 10) | |
1613 | fatal_dump("Event loop exited with failure."); | |
1614 | ||
1615 | /* shutdown squid now */ | |
1616 | SquidShutdown(); | |
62e76326 | 1617 | |
9b7292ce | 1618 | /* NOTREACHED */ |
9b7292ce | 1619 | return 0; |
090089c4 | 1620 | } |
7690e8eb | 1621 | |
b8d8561b | 1622 | static void |
0673c0ba | 1623 | sendSignal(void) |
7690e8eb | 1624 | { |
ff8d0ea6 | 1625 | pid_t pid; |
fedac7e5 | 1626 | debug_log = stderr; |
258ac4d7 | 1627 | |
1628 | if (strcmp(Config.pidFilename, "none") == 0) { | |
e0236918 | 1629 | debugs(0, DBG_IMPORTANT, "No pid_filename specified. Trusting you know what you are doing."); |
258ac4d7 | 1630 | } |
1631 | ||
fedac7e5 | 1632 | pid = readPidFile(); |
62e76326 | 1633 | |
fedac7e5 | 1634 | if (pid > 1) { |
6c1962dd | 1635 | #if USE_WIN32_SERVICE |
6c1962dd | 1636 | if (opt_signal_service) { |
1637 | WIN32_sendSignal(opt_send_signal); | |
1638 | exit(0); | |
cf3edd6f | 1639 | } else { |
7dbca7a4 | 1640 | fprintf(stderr, "%s: ERROR: Could not send ", APP_SHORTNAME); |
6c1962dd | 1641 | fprintf(stderr, "signal to Squid Service:\n"); |
1642 | fprintf(stderr, "missing -n command line switch.\n"); | |
1643 | exit(1); | |
1644 | } | |
6c1962dd | 1645 | /* NOTREACHED */ |
6c1962dd | 1646 | #endif |
1647 | ||
62e76326 | 1648 | if (kill(pid, opt_send_signal) && |
1649 | /* ignore permissions if just running check */ | |
1650 | !(opt_send_signal == 0 && errno == EPERM)) { | |
7dbca7a4 | 1651 | fprintf(stderr, "%s: ERROR: Could not send ", APP_SHORTNAME); |
62e76326 | 1652 | fprintf(stderr, "signal %d to process %d: %s\n", |
1653 | opt_send_signal, (int) pid, xstrerror()); | |
1654 | exit(1); | |
1655 | } | |
fedac7e5 | 1656 | } else { |
205d7c3b | 1657 | if (opt_send_signal != SIGTERM) { |
e08d498f | 1658 | fprintf(stderr, "%s: ERROR: No running copy\n", APP_SHORTNAME); |
205d7c3b AJ |
1659 | exit(1); |
1660 | } else { | |
e08d498f | 1661 | fprintf(stderr, "%s: No running copy\n", APP_SHORTNAME); |
205d7c3b AJ |
1662 | exit(0); |
1663 | } | |
7690e8eb | 1664 | } |
62e76326 | 1665 | |
fedac7e5 | 1666 | /* signal successfully sent */ |
1667 | exit(0); | |
1668 | } | |
f95b8144 | 1669 | |
7aa9bb3e | 1670 | #if !_SQUID_WINDOWS_ |
e18d7fdc | 1671 | /* |
1672 | * This function is run when Squid is in daemon mode, just | |
1673 | * before the parent forks and starts up the child process. | |
1674 | * It can be used for admin-specific tasks, such as notifying | |
1675 | * someone that Squid is (re)started. | |
1676 | */ | |
1677 | static void | |
1678 | mainStartScript(const char *prog) | |
1679 | { | |
ef364f64 | 1680 | char script[MAXPATHLEN]; |
e18d7fdc | 1681 | char *t; |
1682 | size_t sl = 0; | |
1683 | pid_t cpid; | |
1684 | pid_t rpid; | |
1685 | xstrncpy(script, prog, MAXPATHLEN); | |
62e76326 | 1686 | |
e18d7fdc | 1687 | if ((t = strrchr(script, '/'))) { |
62e76326 | 1688 | *(++t) = '\0'; |
1689 | sl = strlen(script); | |
e18d7fdc | 1690 | } |
62e76326 | 1691 | |
e18d7fdc | 1692 | xstrncpy(&script[sl], squid_start_script, MAXPATHLEN - sl); |
62e76326 | 1693 | |
e18d7fdc | 1694 | if ((cpid = fork()) == 0) { |
62e76326 | 1695 | /* child */ |
f75662c9 | 1696 | execl(script, squid_start_script, (char *)NULL); |
482aa790 | 1697 | _exit(-1); |
e18d7fdc | 1698 | } else { |
62e76326 | 1699 | do { |
dbf55289 CT |
1700 | PidStatus status; |
1701 | rpid = WaitForOnePid(cpid, status, 0); | |
62e76326 | 1702 | } while (rpid != cpid); |
e18d7fdc | 1703 | } |
1704 | } | |
1705 | ||
7aa9bb3e | 1706 | #endif /* _SQUID_WINDOWS_ */ |
a50bfe93 | 1707 | |
efd900cb | 1708 | static int |
1709 | checkRunningPid(void) | |
1710 | { | |
b81949b9 | 1711 | // master process must start alone, but its kids processes may co-exist |
7de94c8c | 1712 | if (!IamMasterProcess()) |
b81949b9 AR |
1713 | return 0; |
1714 | ||
efd900cb | 1715 | pid_t pid; |
e0077312 | 1716 | |
1717 | if (!debug_log) | |
1718 | debug_log = stderr; | |
1719 | ||
efd900cb | 1720 | pid = readPidFile(); |
62e76326 | 1721 | |
efd900cb | 1722 | if (pid < 2) |
62e76326 | 1723 | return 0; |
1724 | ||
efd900cb | 1725 | if (kill(pid, 0) < 0) |
62e76326 | 1726 | return 0; |
1727 | ||
fa84c01d | 1728 | debugs(0, DBG_CRITICAL, "Squid is already running! Process ID " << pid); |
62e76326 | 1729 | |
efd900cb | 1730 | return 1; |
1731 | } | |
1732 | ||
c92fcbad | 1733 | #if !_SQUID_WINDOWS_ |
f95b8144 | 1734 | static void |
dbf55289 | 1735 | masterCheckAndBroadcastSignals() |
f95b8144 | 1736 | { |
a6201b10 CT |
1737 | // if (do_reconfigure) |
1738 | // TODO: hot-reconfiguration of the number of kids and PID file location | |
1739 | ||
dbf55289 CT |
1740 | if (do_shutdown) |
1741 | shutting_down = 1; | |
62e76326 | 1742 | |
dbf55289 CT |
1743 | BroadcastSignalIfAny(DebugSignal); |
1744 | BroadcastSignalIfAny(RotateSignal); | |
1745 | BroadcastSignalIfAny(ReconfigureSignal); | |
1746 | BroadcastSignalIfAny(ShutdownSignal); | |
1747 | } | |
c92fcbad | 1748 | #endif |
62e76326 | 1749 | |
dbf55289 CT |
1750 | static inline bool |
1751 | masterSignaled() | |
1752 | { | |
1753 | return (DebugSignal > 0 || RotateSignal > 0 || ReconfigureSignal > 0 || ShutdownSignal > 0); | |
1754 | } | |
62e76326 | 1755 | |
dbf55289 CT |
1756 | static void |
1757 | watch_child(char *argv[]) | |
1758 | { | |
1759 | #if !_SQUID_WINDOWS_ | |
1760 | char *prog; | |
1761 | PidStatus status; | |
e3a3b845 | 1762 | pid_t pid; |
c99c5397 | 1763 | #ifdef TIOCNOTTY |
1764 | ||
54f742e7 | 1765 | int i; |
c99c5397 | 1766 | #endif |
1767 | ||
742724a4 | 1768 | int nullfd; |
62e76326 | 1769 | |
7dbca7a4 | 1770 | openlog(APP_SHORTNAME, LOG_PID | LOG_NDELAY | LOG_CONS, LOG_LOCAL4); |
62e76326 | 1771 | |
54f742e7 | 1772 | if ((pid = fork()) < 0) |
62e76326 | 1773 | syslog(LOG_ALERT, "fork failed: %s", xstrerror()); |
54f742e7 | 1774 | else if (pid > 0) |
62e76326 | 1775 | exit(0); |
1776 | ||
54f742e7 | 1777 | if (setsid() < 0) |
62e76326 | 1778 | syslog(LOG_ALERT, "setsid failed: %s", xstrerror()); |
1779 | ||
efd900cb | 1780 | closelog(); |
62e76326 | 1781 | |
54f742e7 | 1782 | #ifdef TIOCNOTTY |
62e76326 | 1783 | |
c4aefe96 | 1784 | if ((i = open("/dev/tty", O_RDWR | O_TEXT)) >= 0) { |
62e76326 | 1785 | ioctl(i, TIOCNOTTY, NULL); |
1786 | close(i); | |
54f742e7 | 1787 | } |
62e76326 | 1788 | |
54f742e7 | 1789 | #endif |
b05490a8 | 1790 | |
7f6ffd15 | 1791 | /* |
1792 | * RBCOLLINS - if cygwin stackdumps when squid is run without | |
1793 | * -N, check the cygwin1.dll version, it needs to be AT LEAST | |
1794 | * 1.1.3. execvp had a bit overflow error in a loop.. | |
1795 | */ | |
742724a4 | 1796 | /* Connect stdio to /dev/null in daemon mode */ |
4da086c4 | 1797 | nullfd = open(_PATH_DEVNULL, O_RDWR | O_TEXT); |
62e76326 | 1798 | |
e4a1325e | 1799 | if (nullfd < 0) |
4da086c4 | 1800 | fatalf(_PATH_DEVNULL " %s\n", xstrerror()); |
e4a1325e | 1801 | |
742724a4 | 1802 | dup2(nullfd, 0); |
62e76326 | 1803 | |
62493678 | 1804 | if (Debug::log_stderr < 0) { |
62e76326 | 1805 | dup2(nullfd, 1); |
1806 | dup2(nullfd, 2); | |
742724a4 | 1807 | } |
62e76326 | 1808 | |
dbf55289 | 1809 | writePidFile(); |
8209c7e6 | 1810 | enter_suid(); // writePidFile() uses leave_suid() |
dbf55289 CT |
1811 | |
1812 | #if defined(_SQUID_LINUX_THREADS_) | |
1813 | squid_signal(SIGQUIT, rotate_logs, 0); | |
1814 | squid_signal(SIGTRAP, sigusr2_handle, 0); | |
1815 | #else | |
1816 | squid_signal(SIGUSR1, rotate_logs, 0); | |
1817 | squid_signal(SIGUSR2, sigusr2_handle, 0); | |
1818 | #endif | |
1819 | ||
1820 | squid_signal(SIGHUP, reconfigure, 0); | |
1821 | ||
1822 | squid_signal(SIGTERM, master_shutdown, 0); | |
1823 | squid_signal(SIGINT, master_shutdown, 0); | |
1824 | #ifdef SIGTTIN | |
1825 | squid_signal(SIGTTIN, master_shutdown, 0); | |
1826 | #endif | |
ca4b9ee6 | 1827 | |
13aeac35 AR |
1828 | if (Config.workers > 128) { |
1829 | syslog(LOG_ALERT, "Suspiciously high workers value: %d", | |
5667a628 | 1830 | Config.workers); |
007d775d | 1831 | // but we keep going in hope that user knows best |
5667a628 | 1832 | } |
095ec2b1 AR |
1833 | TheKids.init(); |
1834 | ||
a2515f86 | 1835 | syslog(LOG_NOTICE, "Squid Parent: will start %d kids", (int)TheKids.count()); |
007d775d AR |
1836 | |
1837 | // keep [re]starting kids until it is time to quit | |
f95b8144 | 1838 | for (;;) { |
dbf55289 | 1839 | bool mainStartScriptCalled = false; |
007d775d | 1840 | // start each kid that needs to be [re]started; once |
dbf55289 | 1841 | for (int i = TheKids.count() - 1; i >= 0 && !shutting_down; --i) { |
007d775d | 1842 | Kid& kid = TheKids.get(i); |
ca4b9ee6 | 1843 | if (!kid.shouldRestart()) |
007d775d AR |
1844 | continue; |
1845 | ||
dbf55289 CT |
1846 | if (!mainStartScriptCalled) { |
1847 | mainStartScript(argv[0]); | |
1848 | mainStartScriptCalled = true; | |
1849 | } | |
1850 | ||
007d775d AR |
1851 | if ((pid = fork()) == 0) { |
1852 | /* child */ | |
1853 | openlog(APP_SHORTNAME, LOG_PID | LOG_NDELAY | LOG_CONS, LOG_LOCAL4); | |
bc91a636 | 1854 | prog = argv[0]; |
007d775d AR |
1855 | argv[0] = const_cast<char*>(kid.name().termedBuf()); |
1856 | execvp(prog, argv); | |
1857 | syslog(LOG_ALERT, "execvp failed: %s", xstrerror()); | |
1858 | } | |
1859 | ||
1860 | kid.start(pid); | |
095ec2b1 | 1861 | syslog(LOG_NOTICE, "Squid Parent: %s process %d started", |
9199139f | 1862 | kid.name().termedBuf(), pid); |
62e76326 | 1863 | } |
1864 | ||
1865 | /* parent */ | |
7dbca7a4 | 1866 | openlog(APP_SHORTNAME, LOG_PID | LOG_NDELAY | LOG_CONS, LOG_LOCAL4); |
62e76326 | 1867 | |
dbf55289 CT |
1868 | // If Squid received a signal while checking for dying kids (below) or |
1869 | // starting new kids (above), then do a fast check for a new dying kid | |
1870 | // (WaitForAnyPid with the WNOHANG option) and continue to forward | |
1871 | // signals to kids. Otherwise, wait for a kid to die or for a signal | |
1872 | // to abort the blocking WaitForAnyPid() call. | |
1873 | // With the WNOHANG option, we could check whether WaitForAnyPid() was | |
5c634111 | 1874 | // aborted by a dying kid or a signal, but it is not required: The |
dbf55289 CT |
1875 | // next do/while loop will check again for any dying kids. |
1876 | int waitFlag = 0; | |
1877 | if (masterSignaled()) | |
1878 | waitFlag = WNOHANG; | |
1879 | pid = WaitForAnyPid(status, waitFlag); | |
1880 | ||
1881 | // check for a stopped kid | |
1882 | Kid* kid = pid > 0 ? TheKids.find(pid) : NULL; | |
1883 | if (kid) { | |
1884 | kid->stop(status); | |
1885 | if (kid->calledExit()) { | |
1886 | syslog(LOG_NOTICE, | |
1887 | "Squid Parent: %s process %d exited with status %d", | |
1888 | kid->name().termedBuf(), | |
1889 | kid->getPid(), kid->exitStatus()); | |
1890 | } else if (kid->signaled()) { | |
1891 | syslog(LOG_NOTICE, | |
1892 | "Squid Parent: %s process %d exited due to signal %d with status %d", | |
1893 | kid->name().termedBuf(), | |
1894 | kid->getPid(), kid->termSignal(), kid->exitStatus()); | |
007d775d | 1895 | } else { |
dbf55289 CT |
1896 | syslog(LOG_NOTICE, "Squid Parent: %s process %d exited", |
1897 | kid->name().termedBuf(), kid->getPid()); | |
007d775d | 1898 | } |
dbf55289 CT |
1899 | if (kid->hopeless()) { |
1900 | syslog(LOG_NOTICE, "Squid Parent: %s process %d will not" | |
1901 | " be restarted due to repeated, frequent failures", | |
1902 | kid->name().termedBuf(), kid->getPid()); | |
1903 | } | |
5c634111 | 1904 | } else if (pid > 0) { |
dbf55289 | 1905 | syslog(LOG_NOTICE, "Squid Parent: unknown child process %d exited", pid); |
5667a628 | 1906 | } |
62e76326 | 1907 | |
ca4b9ee6 | 1908 | if (!TheKids.someRunning() && !TheKids.shouldRestartSome()) { |
520e0073 | 1909 | leave_suid(); |
21b7990f AR |
1910 | // XXX: Master process has no main loop and, hence, should not call |
1911 | // RegisteredRunner::startShutdown which promises a loop iteration. | |
1912 | RunRegisteredHere(RegisteredRunner::finishShutdown); | |
520e0073 | 1913 | enter_suid(); |
c011f9bc | 1914 | |
dbf55289 | 1915 | removePidFile(); |
8209c7e6 | 1916 | enter_suid(); // removePidFile() uses leave_suid() |
ca4b9ee6 DK |
1917 | if (TheKids.someSignaled(SIGINT) || TheKids.someSignaled(SIGTERM)) { |
1918 | syslog(LOG_ALERT, "Exiting due to unexpected forced shutdown"); | |
1919 | exit(1); | |
1920 | } | |
62e76326 | 1921 | |
ca4b9ee6 DK |
1922 | if (TheKids.allHopeless()) { |
1923 | syslog(LOG_ALERT, "Exiting due to repeated, frequent failures"); | |
1924 | exit(1); | |
1925 | } | |
62e76326 | 1926 | |
007d775d AR |
1927 | exit(0); |
1928 | } | |
06a0fbd3 | 1929 | |
dbf55289 | 1930 | masterCheckAndBroadcastSignals(); |
f95b8144 | 1931 | } |
62e76326 | 1932 | |
bbe199dc | 1933 | /* NOTREACHED */ |
7aa9bb3e | 1934 | #endif /* _SQUID_WINDOWS_ */ |
a572d8be | 1935 | |
f95b8144 | 1936 | } |
fff6ad65 | 1937 | |
9ec1a1dc | 1938 | static void |
8ff3fa2e | 1939 | SquidShutdown() |
fff6ad65 | 1940 | { |
d71e4674 AR |
1941 | /* XXX: This function is called after the main loop has quit, which |
1942 | * means that no AsyncCalls would be called, including close handlers. | |
1943 | * TODO: We need to close/shut/free everything that needs calls before | |
1944 | * exiting the loop. | |
26ac0430 | 1945 | */ |
d71e4674 | 1946 | |
6c1962dd | 1947 | #if USE_WIN32_SERVICE |
1948 | WIN32_svcstatusupdate(SERVICE_STOP_PENDING, 10000); | |
1949 | #endif | |
1950 | ||
e0236918 | 1951 | debugs(1, DBG_IMPORTANT, "Shutting down..."); |
4a3b98d7 | 1952 | Dns::Shutdown(); |
95d2589c CT |
1953 | #if USE_SSL_CRTD |
1954 | Ssl::Helper::GetInstance()->Shutdown(); | |
2cef0ca6 | 1955 | #endif |
cb4f4424 | 1956 | #if USE_OPENSSL |
f54e3d4c AR |
1957 | if (Ssl::CertValidationHelper::GetInstance()) |
1958 | Ssl::CertValidationHelper::GetInstance()->Shutdown(); | |
95d2589c | 1959 | #endif |
95a83c22 | 1960 | redirectShutdown(); |
1961 | externalAclShutdown(); | |
65d448bc | 1962 | icpClosePorts(); |
d723bf6b | 1963 | #if USE_HTCP |
65d448bc | 1964 | htcpClosePorts(); |
d723bf6b | 1965 | #endif |
59ad6d31 | 1966 | #if SQUID_SNMP |
65d448bc | 1967 | snmpClosePorts(); |
320e9f36 | 1968 | #endif |
eb824054 | 1969 | #if USE_WCCP |
62e76326 | 1970 | |
320e9f36 | 1971 | wccpConnectionClose(); |
d723bf6b | 1972 | #endif |
0b0cfcf2 | 1973 | #if USE_WCCPv2 |
1974 | ||
1975 | wccp2ConnectionClose(); | |
1976 | #endif | |
62e76326 | 1977 | |
fff6ad65 | 1978 | releaseServerSockets(); |
d723bf6b | 1979 | commCloseAllSockets(); |
79039294 AR |
1980 | |
1981 | #if USE_SQUID_ESI | |
1982 | Esi::Clean(); | |
1983 | #endif | |
1984 | ||
9a0a18de | 1985 | #if USE_DELAY_POOLS |
b67e2c8c | 1986 | DelayPools::FreePools(); |
515ec4dc | 1987 | #endif |
2f1431ea | 1988 | #if USE_AUTH |
0bcb6908 | 1989 | authenticateReset(); |
2f1431ea | 1990 | #endif |
6c1962dd | 1991 | #if USE_WIN32_SERVICE |
1992 | ||
1993 | WIN32_svcstatusupdate(SERVICE_STOP_PENDING, 10000); | |
1994 | #endif | |
62e76326 | 1995 | |
c8f4eac4 | 1996 | Store::Root().sync(); /* Flush pending object writes/unlinks */ |
4d075ba0 | 1997 | |
f53969cc | 1998 | unlinkdClose(); /* after sync/flush. NOP if !USE_UNLINKD */ |
fc68f6b1 | 1999 | |
fff6ad65 | 2000 | storeDirWriteCleanLogs(0); |
2001 | PrintRusage(); | |
2002 | dumpMallocStats(); | |
f53969cc | 2003 | Store::Root().sync(); /* Flush log writes */ |
fff6ad65 | 2004 | storeLogClose(); |
2005 | accessLogClose(); | |
f53969cc | 2006 | Store::Root().sync(); /* Flush log close */ |
59b2d47f | 2007 | StoreFileSystem::FreeAllFs(); |
b9ae18aa | 2008 | DiskIOModule::FreeAllModules(); |
afec404b | 2009 | #if LEAK_CHECK_MODE && 0 /* doesn't work at the moment */ |
62e76326 | 2010 | |
fff6ad65 | 2011 | configFreeMemory(); |
2012 | storeFreeMemory(); | |
33ab18e8 | 2013 | /*stmemFreeMemory(); */ |
fff6ad65 | 2014 | netdbFreeMemory(); |
2015 | ipcacheFreeMemory(); | |
2016 | fqdncacheFreeMemory(); | |
2017 | asnFreeMemory(); | |
26a369ba | 2018 | clientdbFreeMemory(); |
d2db411c | 2019 | statFreeMemory(); |
f1fc2a8d | 2020 | eventFreeMemory(); |
c68e9c6b | 2021 | mimeFreeMemory(); |
2022 | errorClean(); | |
33ab18e8 | 2023 | #endif |
57fc379e CT |
2024 | // clear StoreController |
2025 | Store::Root(NULL); | |
2026 | ||
fff6ad65 | 2027 | fdDumpOpen(); |
62e76326 | 2028 | |
236d1779 | 2029 | comm_exit(); |
62e76326 | 2030 | |
21b7990f | 2031 | RunRegisteredHere(RegisteredRunner::finishShutdown); |
62e76326 | 2032 | |
553d498c AJ |
2033 | memClean(); |
2034 | ||
dbf55289 CT |
2035 | if (!InDaemonMode()) { |
2036 | removePidFile(); | |
ab50ee9e | 2037 | } |
62e76326 | 2038 | |
e0236918 | 2039 | debugs(1, DBG_IMPORTANT, "Squid Cache (Version " << version_string << "): Exiting normally."); |
62e76326 | 2040 | |
0cfa98cb | 2041 | /* |
2042 | * DPW 2006-10-23 | |
2043 | * We used to fclose(debug_log) here if it was set, but then | |
2044 | * we forgot to set it to NULL. That caused some coredumps | |
2045 | * because exit() ends up calling a bunch of destructors and | |
2046 | * such. So rather than forcing the debug_log to close, we'll | |
2047 | * leave it open so that those destructors can write some | |
2048 | * debugging if necessary. The file will be closed anyway when | |
2049 | * the process truly exits. | |
2050 | */ | |
62e76326 | 2051 | |
ae1feb30 | 2052 | exit(shutdown_status); |
fff6ad65 | 2053 | } |
bef81ea5 | 2054 |