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a47b9029 | 1 | |
30a4f2a8 | 2 | /* |
91fabb06 | 3 | * $Id: main.cc,v 1.444 2007/04/13 23:12:31 wessels Exp $ |
30a4f2a8 | 4 | * |
5 | * DEBUG: section 1 Startup and Main Loop | |
6 | * AUTHOR: Harvest Derived | |
7 | * | |
2b6662ba | 8 | * SQUID Web Proxy Cache http://www.squid-cache.org/ |
e25c139f | 9 | * ---------------------------------------------------------- |
30a4f2a8 | 10 | * |
2b6662ba | 11 | * Squid is the result of efforts by numerous individuals from |
12 | * the Internet community; see the CONTRIBUTORS file for full | |
13 | * details. Many organizations have provided support for Squid's | |
14 | * development; see the SPONSORS file for full details. Squid is | |
15 | * Copyrighted (C) 2001 by the Regents of the University of | |
16 | * California; see the COPYRIGHT file for full details. Squid | |
17 | * incorporates software developed and/or copyrighted by other | |
18 | * sources; see the CREDITS file for full details. | |
30a4f2a8 | 19 | * |
20 | * This program is free software; you can redistribute it and/or modify | |
21 | * it under the terms of the GNU General Public License as published by | |
22 | * the Free Software Foundation; either version 2 of the License, or | |
23 | * (at your option) any later version. | |
24 | * | |
25 | * This program is distributed in the hope that it will be useful, | |
26 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
27 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
28 | * GNU General Public License for more details. | |
29 | * | |
30 | * You should have received a copy of the GNU General Public License | |
31 | * along with this program; if not, write to the Free Software | |
cbdec147 | 32 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
e25c139f | 33 | * |
30a4f2a8 | 34 | */ |
44a47c6e | 35 | |
36 | #include "squid.h" | |
450e0c10 | 37 | #include "AccessLogEntry.h" |
e6ccf245 | 38 | #include "authenticate.h" |
62ee09ca | 39 | #include "CacheManager.h" |
40 | #include "ConfigParser.h" | |
aa839030 | 41 | #include "errorpage.h" |
a553a5a3 | 42 | #include "event.h" |
43 | #include "EventLoop.h" | |
62ee09ca | 44 | #include "ExternalACL.h" |
e6ccf245 | 45 | #include "Store.h" |
46 | #include "ICP.h" | |
528b2c61 | 47 | #include "HttpReply.h" |
62ee09ca | 48 | #include "pconn.h" |
528b2c61 | 49 | #include "Mem.h" |
b0dd28ba | 50 | #include "ACLASN.h" |
51 | #include "ACL.h" | |
75faaa7a | 52 | #include "htcp.h" |
59b2d47f | 53 | #include "StoreFileSystem.h" |
b9ae18aa | 54 | #include "DiskIO/DiskIOModule.h" |
f900210a | 55 | #include "comm.h" |
62ee09ca | 56 | #if USE_EPOLL |
57 | #include "comm_epoll.h" | |
58 | #endif | |
59 | #if USE_KQUEUE | |
60 | #include "comm_kqueue.h" | |
61 | #endif | |
62 | #if USE_POLL | |
63 | #include "comm_poll.h" | |
64 | #endif | |
65 | #if USE_SELECT | |
66 | #include "comm_select.h" | |
67 | #endif | |
663c0a38 | 68 | #if USE_SELECT_WIN32 |
69 | #include "comm_select.h" | |
70 | #endif | |
985c86bc | 71 | #include "SquidTime.h" |
c8f4eac4 | 72 | #include "SwapDir.h" |
b6b6f466 | 73 | #include "forward.h" |
d9e7ee1f | 74 | #include "MemPool.h" |
44a47c6e | 75 | |
1a774556 | 76 | #if USE_WIN32_SERVICE |
77 | ||
78 | #include "squid_windows.h" | |
79 | #include <process.h> | |
80 | ||
81 | static int opt_install_service = FALSE; | |
82 | static int opt_remove_service = FALSE; | |
83 | static int opt_signal_service = FALSE; | |
84 | static int opt_command_line = FALSE; | |
85 | extern void WIN32_svcstatusupdate(DWORD, DWORD); | |
86 | void WINAPI WIN32_svcHandler(DWORD); | |
87 | ||
88 | #endif | |
89 | ||
30a4f2a8 | 90 | /* for error reporting from xmalloc and friends */ |
b293c4d8 | 91 | SQUIDCEXTERN void (*failure_notify) (const char *); |
30a4f2a8 | 92 | |
e13ee7ad | 93 | static int opt_parse_cfg_only = 0; |
5e6d4736 | 94 | static char *opt_syslog_facility = NULL; |
30a4f2a8 | 95 | static int icpPortNumOverride = 1; /* Want to detect "-u 0" */ |
e13ee7ad | 96 | static int configured_once = 0; |
30a4f2a8 | 97 | #if MALLOC_DBG |
4d64d74a | 98 | static int malloc_debug_level = 0; |
30a4f2a8 | 99 | #endif |
5cd39a10 | 100 | static volatile int do_reconfigure = 0; |
101 | static volatile int do_rotate = 0; | |
2681d383 | 102 | static volatile int do_shutdown = 0; |
ae1feb30 | 103 | static volatile int shutdown_status = 0; |
4d7add01 | 104 | |
5cd39a10 | 105 | static void mainRotate(void); |
106 | static void mainReconfigure(void); | |
f5b8bbc4 | 107 | static void mainInitialize(void); |
f5b8bbc4 | 108 | static void usage(void); |
109 | static void mainParseOptions(int, char **); | |
110 | static void sendSignal(void); | |
111 | static void serverConnectionsOpen(void); | |
bbe199dc | 112 | static void watch_child(char **); |
85407535 | 113 | static void setEffectiveUser(void); |
36a97e19 | 114 | #if MEM_GEN_TRACE |
115 | extern void log_trace_done(); | |
116 | extern void log_trace_init(char *); | |
117 | #endif | |
8ff3fa2e | 118 | static void SquidShutdown(void); |
b6a2f15e | 119 | static void mainSetCwd(void); |
efd900cb | 120 | static int checkRunningPid(void); |
85407535 | 121 | |
62ee09ca | 122 | static CacheManager manager; |
123 | ||
b293c4d8 | 124 | #ifndef _SQUID_MSWIN_ |
e18d7fdc | 125 | static const char *squid_start_script = "squid_start"; |
b293c4d8 | 126 | #endif |
e18d7fdc | 127 | |
9bc73deb | 128 | #if TEST_ACCESS |
129 | #include "test_access.c" | |
130 | #endif | |
131 | ||
8ff3fa2e | 132 | /* temporary thunk across to the unrefactored store interface */ |
133 | ||
134 | class StoreRootEngine : public AsyncEngine | |
135 | { | |
136 | ||
137 | public: | |
138 | int checkEvents(int timeout) | |
139 | { | |
140 | Store::Root().callback(); | |
141 | return EVENT_IDLE; | |
142 | }; | |
143 | }; | |
144 | ||
a553a5a3 | 145 | class SignalDispatcher : public CompletionDispatcher |
146 | { | |
147 | ||
148 | public: | |
8ff3fa2e | 149 | SignalDispatcher(EventLoop &loop) : loop(loop), events_dispatched(false) {} |
a553a5a3 | 150 | |
151 | void addEventLoop(EventLoop * loop); | |
8ff3fa2e | 152 | virtual bool dispatch(); |
a553a5a3 | 153 | |
154 | private: | |
155 | static void StopEventLoop(void * data) | |
156 | { | |
157 | static_cast<SignalDispatcher *>(data)->loop.stop(); | |
158 | } | |
159 | ||
160 | EventLoop &loop; | |
8ff3fa2e | 161 | bool events_dispatched; |
a553a5a3 | 162 | }; |
163 | ||
8ff3fa2e | 164 | bool |
a553a5a3 | 165 | SignalDispatcher::dispatch() |
166 | { | |
559da936 | 167 | PROF_start(SignalDispatcher_dispatch); |
a553a5a3 | 168 | if (do_reconfigure) { |
169 | mainReconfigure(); | |
170 | do_reconfigure = 0; | |
a553a5a3 | 171 | } else if (do_rotate) { |
172 | mainRotate(); | |
173 | do_rotate = 0; | |
174 | } else if (do_shutdown) { | |
175 | time_t wait = do_shutdown > 0 ? (int) Config.shutdownLifetime : 0; | |
176 | debug(1, 1) ("Preparing for shutdown after %d requests\n", | |
177 | statCounter.client_http.requests); | |
178 | debug(1, 1) ("Waiting %d seconds for active connections to finish\n", | |
179 | (int) wait); | |
180 | do_shutdown = 0; | |
181 | shutting_down = 1; | |
182 | #if USE_WIN32_SERVICE | |
183 | ||
184 | WIN32_svcstatusupdate(SERVICE_STOP_PENDING, (wait + 1) * 1000); | |
185 | #endif | |
186 | ||
187 | serverConnectionsClose(); | |
8ff3fa2e | 188 | eventAdd("SquidShutdown", StopEventLoop, this, (double) (wait + 1), 1, false); |
a553a5a3 | 189 | } |
8ff3fa2e | 190 | |
191 | bool result = events_dispatched; | |
192 | events_dispatched = false; | |
559da936 | 193 | PROF_stop(SignalDispatcher_dispatch); |
8ff3fa2e | 194 | return result; |
a553a5a3 | 195 | } |
196 | ||
b8d8561b | 197 | static void |
0673c0ba | 198 | usage(void) |
ccff9601 | 199 | { |
0ee4272b | 200 | fprintf(stderr, |
0e657244 | 201 | #if USE_WIN32_SERVICE |
5e6d4736 | 202 | "Usage: %s [-cdhirvzCDFNRVYX] [-s | -l facility] [-f config-file] [-[au] port] [-k signal] [-n name] [-O CommandLine]\n" |
0e657244 | 203 | #else |
5e6d4736 | 204 | "Usage: %s [-cdhvzCDFNRVYX] [-s | -l facility] [-f config-file] [-[au] port] [-k signal]\n" |
0e657244 | 205 | #endif |
62e76326 | 206 | " -a port Specify HTTP port number (default: %d).\n" |
207 | " -d level Write debugging to stderr also.\n" | |
208 | " -f file Use given config-file instead of\n" | |
209 | " %s\n" | |
210 | " -h Print help message.\n" | |
0e657244 | 211 | #if USE_WIN32_SERVICE |
212 | " -i Installs as a Windows Service (see -n option).\n" | |
213 | #endif | |
62e76326 | 214 | " -k reconfigure|rotate|shutdown|interrupt|kill|debug|check|parse\n" |
215 | " Parse configuration file, then send signal to \n" | |
216 | " running copy (except -k parse) and exit.\n" | |
0e657244 | 217 | #if USE_WIN32_SERVICE |
218 | " -n name Specify Windows Service name to use for service operations\n" | |
219 | " default is: " _WIN_SQUID_DEFAULT_SERVICE_NAME ".\n" | |
220 | " -r Removes a Windows Service (see -n option).\n" | |
221 | #endif | |
5e6d4736 | 222 | " -s | -l facility\n" |
223 | " Enable logging to syslog.\n" | |
62e76326 | 224 | " -u port Specify ICP port number (default: %d), disable with 0.\n" |
225 | " -v Print version.\n" | |
226 | " -z Create swap directories\n" | |
227 | " -C Do not catch fatal signals.\n" | |
228 | " -D Disable initial DNS tests.\n" | |
229 | " -F Don't serve any requests until store is rebuilt.\n" | |
230 | " -N No daemon mode.\n" | |
0e657244 | 231 | #if USE_WIN32_SERVICE |
232 | " -O options\n" | |
233 | " Set Windows Service Command line options in Registry.\n" | |
234 | #endif | |
62e76326 | 235 | " -R Do not set REUSEADDR on port.\n" |
236 | " -S Double-check swap during rebuild.\n" | |
237 | " -V Virtual host httpd-accelerator.\n" | |
238 | " -X Force full debugging.\n" | |
239 | " -Y Only return UDP_HIT or UDP_MISS_NOFETCH during fast reload.\n", | |
240 | appname, CACHE_HTTP_PORT, DefaultConfigFile, CACHE_ICP_PORT); | |
77ffc99f | 241 | exit(1); |
ccff9601 | 242 | } |
243 | ||
b8d8561b | 244 | static void |
245 | mainParseOptions(int argc, char *argv[]) | |
090089c4 | 246 | { |
090089c4 | 247 | extern char *optarg; |
4d64d74a | 248 | int c; |
090089c4 | 249 | |
0e657244 | 250 | #if USE_WIN32_SERVICE |
251 | ||
5e6d4736 | 252 | while ((c = getopt(argc, argv, "CDFNO:RSVYXa:d:f:hik:m::n:rsl:u:vz?")) != -1) |
0e657244 | 253 | #else |
254 | ||
05f1c52c | 255 | while ((c = getopt(argc, argv, "CDFNRSYXa:d:f:hk:m::sl:u:vz?")) != -1) |
0e657244 | 256 | #endif |
257 | ||
9b7292ce | 258 | { |
259 | ||
260 | switch (c) | |
261 | { | |
62e76326 | 262 | |
263 | case 'C': | |
264 | opt_catch_signals = 0; | |
265 | break; | |
266 | ||
267 | case 'D': | |
268 | opt_dns_tests = 0; | |
269 | break; | |
270 | ||
271 | case 'F': | |
272 | opt_foreground_rebuild = 1; | |
273 | break; | |
274 | ||
275 | case 'N': | |
276 | opt_no_daemon = 1; | |
277 | break; | |
0e657244 | 278 | #if USE_WIN32_SERVICE |
279 | ||
280 | case 'O': | |
281 | opt_command_line = 1; | |
282 | WIN32_Command_Line = xstrdup(optarg); | |
283 | break; | |
284 | #endif | |
62e76326 | 285 | |
286 | case 'R': | |
287 | opt_reuseaddr = 0; | |
288 | break; | |
289 | ||
290 | case 'S': | |
291 | opt_store_doublecheck = 1; | |
292 | break; | |
293 | ||
62e76326 | 294 | case 'X': |
295 | /* force full debugging */ | |
296 | sigusr2_handle(SIGUSR2); | |
297 | ||
298 | break; | |
299 | ||
300 | case 'Y': | |
301 | opt_reload_hit_only = 1; | |
302 | ||
303 | break; | |
304 | ||
0e657244 | 305 | #if USE_WIN32_SERVICE |
306 | ||
307 | case 'i': | |
308 | opt_install_service = TRUE; | |
309 | ||
310 | break; | |
311 | ||
312 | #endif | |
313 | ||
62e76326 | 314 | case 'a': |
315 | add_http_port(optarg); | |
316 | ||
317 | break; | |
318 | ||
319 | case 'd': | |
320 | opt_debug_stderr = atoi(optarg); | |
321 | ||
322 | break; | |
323 | ||
324 | case 'f': | |
325 | xfree(ConfigFile); | |
326 | ||
327 | ConfigFile = xstrdup(optarg); | |
328 | ||
329 | break; | |
330 | ||
331 | case 'h': | |
332 | usage(); | |
333 | ||
334 | break; | |
335 | ||
336 | case 'k': | |
337 | if ((int) strlen(optarg) < 1) | |
338 | usage(); | |
339 | ||
340 | if (!strncmp(optarg, "reconfigure", strlen(optarg))) | |
341 | opt_send_signal = SIGHUP; | |
342 | else if (!strncmp(optarg, "rotate", strlen(optarg))) | |
7e7a0442 | 343 | #ifdef _SQUID_LINUX_THREADS_ |
62e76326 | 344 | |
345 | opt_send_signal = SIGQUIT; | |
346 | ||
e3175d1f | 347 | #else |
62e76326 | 348 | |
349 | opt_send_signal = SIGUSR1; | |
350 | ||
e3175d1f | 351 | #endif |
62e76326 | 352 | |
353 | else if (!strncmp(optarg, "debug", strlen(optarg))) | |
7e7a0442 | 354 | #ifdef _SQUID_LINUX_THREADS_ |
62e76326 | 355 | |
356 | opt_send_signal = SIGTRAP; | |
357 | ||
e3175d1f | 358 | #else |
62e76326 | 359 | |
360 | opt_send_signal = SIGUSR2; | |
361 | ||
362 | #endif | |
363 | ||
364 | else if (!strncmp(optarg, "shutdown", strlen(optarg))) | |
365 | opt_send_signal = SIGTERM; | |
366 | else if (!strncmp(optarg, "interrupt", strlen(optarg))) | |
367 | opt_send_signal = SIGINT; | |
368 | else if (!strncmp(optarg, "kill", strlen(optarg))) | |
369 | opt_send_signal = SIGKILL; | |
ae1feb30 | 370 | |
371 | #ifdef SIGTTIN | |
372 | ||
373 | else if (!strncmp(optarg, "restart", strlen(optarg))) | |
374 | opt_send_signal = SIGTTIN; /* exit and restart by parent */ | |
375 | ||
376 | #endif | |
377 | ||
62e76326 | 378 | else if (!strncmp(optarg, "check", strlen(optarg))) |
379 | opt_send_signal = 0; /* SIGNULL */ | |
380 | else if (!strncmp(optarg, "parse", strlen(optarg))) | |
381 | opt_parse_cfg_only = 1; /* parse cfg file only */ | |
382 | else | |
383 | usage(); | |
384 | ||
385 | break; | |
386 | ||
387 | case 'm': | |
388 | if (optarg) { | |
30a4f2a8 | 389 | #if MALLOC_DBG |
d9e7ee1f | 390 | malloc_debug_level = atoi(optarg); |
30a4f2a8 | 391 | #else |
62e76326 | 392 | |
d9e7ee1f | 393 | fatal("Need to add -DMALLOC_DBG when compiling to use -mX option"); |
33ab18e8 | 394 | #endif |
62e76326 | 395 | |
396 | } else { | |
33ab18e8 | 397 | #if XMALLOC_TRACE |
62e76326 | 398 | xmalloc_trace = !xmalloc_trace; |
33ab18e8 | 399 | #else |
62e76326 | 400 | |
401 | fatal("Need to configure --enable-xmalloc-debug-trace to use -m option"); | |
30a4f2a8 | 402 | #endif |
62e76326 | 403 | |
404 | } | |
405 | ||
d9e7ee1f | 406 | break; |
407 | /* NOTREACHED */ | |
408 | ||
0e657244 | 409 | #if USE_WIN32_SERVICE |
410 | ||
411 | case 'n': | |
412 | xfree(WIN32_Service_name); | |
413 | ||
414 | WIN32_Service_name = xstrdup(optarg); | |
415 | ||
416 | opt_signal_service = TRUE; | |
417 | ||
418 | break; | |
419 | ||
420 | case 'r': | |
421 | opt_remove_service = TRUE; | |
422 | ||
423 | break; | |
424 | ||
425 | #endif | |
426 | ||
5e6d4736 | 427 | case 'l': |
428 | opt_syslog_facility = xstrdup(optarg); | |
429 | ||
62e76326 | 430 | case 's': |
c307aec3 | 431 | #if HAVE_SYSLOG |
62e76326 | 432 | |
5e6d4736 | 433 | _db_set_syslog(opt_syslog_facility); |
0e657244 | 434 | |
62e76326 | 435 | break; |
0e657244 | 436 | |
c307aec3 | 437 | #else |
62e76326 | 438 | |
439 | fatal("Logging to syslog not available on this platform"); | |
0e657244 | 440 | |
62e76326 | 441 | /* NOTREACHED */ |
442 | #endif | |
443 | ||
444 | case 'u': | |
445 | icpPortNumOverride = atoi(optarg); | |
446 | ||
447 | if (icpPortNumOverride < 0) | |
448 | icpPortNumOverride = 0; | |
449 | ||
450 | break; | |
451 | ||
452 | case 'v': | |
453 | printf("Squid Cache: Version %s\nconfigure options: %s\n", version_string, SQUID_CONFIGURE_OPTIONS); | |
454 | ||
1a774556 | 455 | #if USE_WIN32_SERVICE |
456 | ||
457 | printf("Compiled as Windows System Service.\n"); | |
458 | ||
459 | #endif | |
460 | ||
62e76326 | 461 | exit(0); |
462 | ||
463 | /* NOTREACHED */ | |
464 | ||
465 | case 'z': | |
930dea4a | 466 | opt_debug_stderr = 1; |
467 | ||
62e76326 | 468 | opt_create_swap_dirs = 1; |
469 | ||
470 | break; | |
471 | ||
472 | case '?': | |
473 | ||
474 | default: | |
475 | usage(); | |
476 | ||
477 | break; | |
478 | } | |
9b7292ce | 479 | |
090089c4 | 480 | } |
4d64d74a | 481 | } |
090089c4 | 482 | |
7a2f978b | 483 | /* ARGSUSED */ |
b293c4d8 | 484 | void |
9b7292ce | 485 | rotate_logs(int sig) |
486 | { | |
5cd39a10 | 487 | do_rotate = 1; |
a50bfe93 | 488 | #ifndef _SQUID_MSWIN_ |
30a4f2a8 | 489 | #if !HAVE_SIGACTION |
62e76326 | 490 | |
30a4f2a8 | 491 | signal(sig, rotate_logs); |
492 | #endif | |
a50bfe93 | 493 | #endif |
30a4f2a8 | 494 | } |
495 | ||
7a2f978b | 496 | /* ARGSUSED */ |
b293c4d8 | 497 | void |
9b7292ce | 498 | reconfigure(int sig) |
499 | { | |
5cd39a10 | 500 | do_reconfigure = 1; |
a50bfe93 | 501 | #ifndef _SQUID_MSWIN_ |
30a4f2a8 | 502 | #if !HAVE_SIGACTION |
62e76326 | 503 | |
30a4f2a8 | 504 | signal(sig, reconfigure); |
505 | #endif | |
a50bfe93 | 506 | #endif |
30a4f2a8 | 507 | } |
508 | ||
b8d8561b | 509 | void |
9b7292ce | 510 | shut_down(int sig) |
511 | { | |
2681d383 | 512 | do_shutdown = sig == SIGINT ? -1 : 1; |
ae1feb30 | 513 | #ifdef SIGTTIN |
514 | ||
515 | if (SIGTTIN == sig) | |
516 | shutdown_status = 1; | |
517 | ||
518 | #endif | |
a50bfe93 | 519 | #ifndef _SQUID_MSWIN_ |
cadc2d55 | 520 | #ifdef KILL_PARENT_OPT |
62e76326 | 521 | |
5cd39a10 | 522 | if (getppid() > 1) { |
36584579 | 523 | debugs(1, 1, "Killing RunCache, pid " << getppid()); |
62e76326 | 524 | |
525 | if (kill(getppid(), sig) < 0) | |
36584579 | 526 | debugs(1, 1, "kill " << getppid() << ": " << xstrerror()); |
88738790 | 527 | } |
62e76326 | 528 | |
cadc2d55 | 529 | #endif |
6e40f263 | 530 | #if SA_RESETHAND == 0 |
531 | signal(SIGTERM, SIG_DFL); | |
62e76326 | 532 | |
6e40f263 | 533 | signal(SIGINT, SIG_DFL); |
62e76326 | 534 | |
a50bfe93 | 535 | #endif |
6e40f263 | 536 | #endif |
30a4f2a8 | 537 | } |
538 | ||
24382924 | 539 | static void |
9b7292ce | 540 | serverConnectionsOpen(void) |
541 | { | |
d193a436 | 542 | clientOpenListenSockets(); |
15df8349 | 543 | icpConnectionsOpen(); |
ace287ee | 544 | #if USE_HTCP |
62e76326 | 545 | |
ace287ee | 546 | htcpInit(); |
547 | #endif | |
678c6099 | 548 | #ifdef SQUID_SNMP |
62e76326 | 549 | |
3265e68d | 550 | snmpConnectionOpen(); |
320e9f36 | 551 | #endif |
eb824054 | 552 | #if USE_WCCP |
62e76326 | 553 | |
320e9f36 | 554 | wccpConnectionOpen(); |
2bbd722b | 555 | #endif |
62e76326 | 556 | |
0b0cfcf2 | 557 | #if USE_WCCPv2 |
558 | ||
559 | wccp2ConnectionOpen(); | |
560 | #endif | |
561 | ||
5ecceaa4 | 562 | clientdbInit(); |
16b204c4 | 563 | icmpOpen(); |
67508012 | 564 | netdbInit(); |
f899fac1 | 565 | asnInit(); |
b0dd28ba | 566 | ACL::Initialize(); |
85034133 | 567 | peerSelectInit(); |
afd88fbe | 568 | #if USE_CARP |
62e76326 | 569 | |
afd88fbe | 570 | carpInit(); |
571 | #endif | |
5f3f8d0e | 572 | } |
573 | ||
b8d8561b | 574 | void |
9b7292ce | 575 | serverConnectionsClose(void) |
576 | { | |
0a5a8601 | 577 | assert(shutting_down || reconfiguring); |
c0fbae16 | 578 | clientHttpConnectionsClose(); |
17e6c0a1 | 579 | icpConnectionShutdown(); |
72549e05 | 580 | #if USE_HTCP |
62e76326 | 581 | |
72549e05 | 582 | htcpSocketShutdown(); |
583 | #endif | |
62e76326 | 584 | |
c0fbae16 | 585 | icmpClose(); |
15df8349 | 586 | #ifdef SQUID_SNMP |
62e76326 | 587 | |
17e6c0a1 | 588 | snmpConnectionShutdown(); |
320e9f36 | 589 | #endif |
eb824054 | 590 | #if USE_WCCP |
62e76326 | 591 | |
0b0cfcf2 | 592 | wccpConnectionClose(); |
593 | #endif | |
594 | #if USE_WCCPv2 | |
595 | ||
596 | wccp2ConnectionClose(); | |
15df8349 | 597 | #endif |
62e76326 | 598 | |
4bac8de8 | 599 | asnFreeMemory(); |
5f3f8d0e | 600 | } |
601 | ||
b8d8561b | 602 | static void |
9b7292ce | 603 | mainReconfigure(void) |
604 | { | |
eba1bf37 | 605 | debug(1, 1) ("Reconfiguring Squid Cache (version %s)...\n", version_string); |
5cd39a10 | 606 | reconfiguring = 1; |
0ffd22bc | 607 | /* Already called serverConnectionsClose and ipcacheShutdownServers() */ |
15df8349 | 608 | serverConnectionsClose(); |
17e6c0a1 | 609 | icpConnectionClose(); |
72549e05 | 610 | #if USE_HTCP |
62e76326 | 611 | |
72549e05 | 612 | htcpSocketClose(); |
613 | #endif | |
17e6c0a1 | 614 | #ifdef SQUID_SNMP |
62e76326 | 615 | |
17e6c0a1 | 616 | snmpConnectionClose(); |
320e9f36 | 617 | #endif |
3c573763 | 618 | #if USE_DNSSERVERS |
62e76326 | 619 | |
74addf6c | 620 | dnsShutdown(); |
3c573763 | 621 | #else |
62e76326 | 622 | |
7b724b86 | 623 | idnsShutdown(); |
eb824054 | 624 | #endif |
62e76326 | 625 | |
74addf6c | 626 | redirectShutdown(); |
627 | authenticateShutdown(); | |
d9572179 | 628 | externalAclShutdown(); |
2db68ce5 | 629 | storeDirCloseSwapLogs(); |
2e923080 | 630 | storeLogClose(); |
631 | accessLogClose(); | |
632 | useragentLogClose(); | |
633 | refererCloseLog(); | |
c68e9c6b | 634 | errorClean(); |
3aa4adbc | 635 | enter_suid(); /* root to read config file */ |
62ee09ca | 636 | parseConfigFile(ConfigFile, manager); |
3aa4adbc | 637 | setEffectiveUser(); |
b6f794d6 | 638 | _db_init(Config.Log.log, Config.debugOptions); |
429fdbec | 639 | ipcache_restart(); /* clear stuck entries */ |
94439e4e | 640 | authenticateUserCacheRestart(); /* clear stuck ACL entries */ |
429fdbec | 641 | fqdncache_restart(); /* sigh, fqdncache too */ |
0e70aa1e | 642 | parseEtcHosts(); |
53ad48e6 | 643 | errorInitialize(); /* reload error pages */ |
2e923080 | 644 | accessLogInit(); |
645 | storeLogOpen(); | |
646 | useragentOpenLog(); | |
647 | refererOpenLog(); | |
3c573763 | 648 | #if USE_DNSSERVERS |
62e76326 | 649 | |
74addf6c | 650 | dnsInit(); |
3c573763 | 651 | #else |
62e76326 | 652 | |
7b724b86 | 653 | idnsInit(); |
eb824054 | 654 | #endif |
62e76326 | 655 | |
74addf6c | 656 | redirectInit(); |
e6ccf245 | 657 | authenticateInit(&Config.authConfiguration); |
d9572179 | 658 | externalAclInit(); |
1f38f50a | 659 | #if USE_WCCP |
62e76326 | 660 | |
1f38f50a | 661 | wccpInit(); |
662 | #endif | |
0b0cfcf2 | 663 | #if USE_WCCPv2 |
664 | ||
665 | wccp2Init(); | |
666 | #endif | |
62e76326 | 667 | |
0ffd22bc | 668 | serverConnectionsOpen(); |
9c2e9b50 | 669 | |
3ee2b4f8 | 670 | neighbors_init(); |
671 | neighborsRegisterWithCacheManager(manager); | |
9c2e9b50 | 672 | |
2db68ce5 | 673 | storeDirOpenSwapLogs(); |
9c2e9b50 | 674 | |
9c021a38 | 675 | mimeInit(Config.mimeTablePathname); |
9c2e9b50 | 676 | |
926375e6 | 677 | if (Config.onoff.announce) { |
678 | if (!eventFind(start_announce, NULL)) | |
679 | eventAdd("start_announce", start_announce, NULL, 3600.0, 1); | |
680 | } else { | |
681 | if (eventFind(start_announce, NULL)) | |
682 | eventDelete(start_announce, NULL); | |
683 | } | |
684 | ||
b8890359 | 685 | writePidFile(); /* write PID file */ |
9c2e9b50 | 686 | |
aebbcd07 | 687 | debug(1, 1) ("Ready to serve requests.\n"); |
9c2e9b50 | 688 | |
5cd39a10 | 689 | reconfiguring = 0; |
690 | } | |
691 | ||
692 | static void | |
9b7292ce | 693 | mainRotate(void) |
694 | { | |
5cd39a10 | 695 | icmpClose(); |
3c573763 | 696 | #if USE_DNSSERVERS |
62e76326 | 697 | |
e40aa8da | 698 | dnsShutdown(); |
3c573763 | 699 | #endif |
62e76326 | 700 | |
e40aa8da | 701 | redirectShutdown(); |
702 | authenticateShutdown(); | |
d9572179 | 703 | externalAclShutdown(); |
5cd39a10 | 704 | _db_rotate_log(); /* cache.log */ |
705 | storeDirWriteCleanLogs(1); | |
706 | storeLogRotate(); /* store.log */ | |
707 | accessLogRotate(); /* access.log */ | |
708 | useragentRotateLog(); /* useragent.log */ | |
fd2c5549 | 709 | refererRotateLog(); /* referer.log */ |
225644d7 | 710 | #if WIP_FWD_LOG |
62e76326 | 711 | |
225644d7 | 712 | fwdLogRotate(); |
713 | #endif | |
62e76326 | 714 | |
5cd39a10 | 715 | icmpOpen(); |
3c573763 | 716 | #if USE_DNSSERVERS |
62e76326 | 717 | |
e40aa8da | 718 | dnsInit(); |
3c573763 | 719 | #endif |
62e76326 | 720 | |
e40aa8da | 721 | redirectInit(); |
e6ccf245 | 722 | authenticateInit(&Config.authConfiguration); |
d9572179 | 723 | externalAclInit(); |
5f3f8d0e | 724 | } |
725 | ||
067bea91 | 726 | static void |
9b7292ce | 727 | setEffectiveUser(void) |
728 | { | |
85407535 | 729 | leave_suid(); /* Run as non privilegied user */ |
cd377065 | 730 | #ifdef _SQUID_OS2_ |
62e76326 | 731 | |
cd377065 | 732 | return; |
733 | #endif | |
62e76326 | 734 | |
85407535 | 735 | if (geteuid() == 0) { |
62e76326 | 736 | debug(0, 0) ("Squid is not safe to run as root! If you must\n"); |
737 | debug(0, 0) ("start Squid as root, then you must configure\n"); | |
738 | debug(0, 0) ("it to run as a non-priveledged user with the\n"); | |
739 | debug(0, 0) ("'cache_effective_user' option in the config file.\n"); | |
740 | fatal("Don't run Squid as root, set 'cache_effective_user'!"); | |
85407535 | 741 | } |
742 | } | |
743 | ||
b6a2f15e | 744 | static void |
9b7292ce | 745 | mainSetCwd(void) |
746 | { | |
4a504376 | 747 | char pathbuf[MAXPATHLEN]; |
62e76326 | 748 | |
b6a2f15e | 749 | if (Config.coredump_dir) { |
62e76326 | 750 | if (0 == strcmp("none", Config.coredump_dir)) { |
751 | (void) 0; | |
752 | } else if (chdir(Config.coredump_dir) == 0) { | |
753 | debug(0, 1) ("Set Current Directory to %s\n", Config.coredump_dir); | |
754 | return; | |
755 | } else { | |
756 | debug(50, 0) ("chdir: %s: %s\n", Config.coredump_dir, xstrerror()); | |
757 | } | |
b6a2f15e | 758 | } |
62e76326 | 759 | |
02e8115e | 760 | /* If we don't have coredump_dir or couldn't cd there, report current dir */ |
4a504376 | 761 | if (getcwd(pathbuf, MAXPATHLEN)) { |
62e76326 | 762 | debug(0, 1) ("Current Directory is %s\n", pathbuf); |
4a504376 | 763 | } else { |
62e76326 | 764 | debug(50, 0) ("WARNING: Can't find current directory, getcwd: %s\n", xstrerror()); |
4a504376 | 765 | } |
b6a2f15e | 766 | } |
767 | ||
b67e2c8c | 768 | #if DELAY_POOLS |
769 | #include "DelayPools.h" | |
770 | #endif | |
771 | ||
b8d8561b | 772 | static void |
9b7292ce | 773 | mainInitialize(void) |
774 | { | |
efd900cb | 775 | /* chroot if configured to run inside chroot */ |
62e76326 | 776 | |
efd900cb | 777 | if (Config.chroot_dir && chroot(Config.chroot_dir)) { |
62e76326 | 778 | fatal("failed to chroot"); |
efd900cb | 779 | } |
62e76326 | 780 | |
1758c627 | 781 | if (opt_catch_signals) { |
62e76326 | 782 | squid_signal(SIGSEGV, death, SA_NODEFER | SA_RESETHAND); |
783 | squid_signal(SIGBUS, death, SA_NODEFER | SA_RESETHAND); | |
44f99671 | 784 | } |
62e76326 | 785 | |
30a4f2a8 | 786 | squid_signal(SIGPIPE, SIG_IGN, SA_RESTART); |
787 | squid_signal(SIGCHLD, sig_child, SA_NODEFER | SA_RESTART); | |
44f99671 | 788 | |
85407535 | 789 | setEffectiveUser(); |
62e76326 | 790 | |
30a4f2a8 | 791 | if (icpPortNumOverride != 1) |
62e76326 | 792 | Config.Port.icp = (u_short) icpPortNumOverride; |
30a4f2a8 | 793 | |
b6f794d6 | 794 | _db_init(Config.Log.log, Config.debugOptions); |
62e76326 | 795 | |
5c5783a2 | 796 | fd_open(fileno(debug_log), FD_LOG, Config.Log.log); |
62e76326 | 797 | |
71a17702 | 798 | #if MEM_GEN_TRACE |
62e76326 | 799 | |
71a17702 | 800 | log_trace_init("/tmp/squid.alloc"); |
62e76326 | 801 | |
71a17702 | 802 | #endif |
62e76326 | 803 | |
a3d5953d | 804 | debug(1, 0) ("Starting Squid Cache version %s for %s...\n", |
62e76326 | 805 | version_string, |
806 | CONFIG_HOST_TYPE); | |
807 | ||
ec4daaa5 | 808 | #ifdef _SQUID_WIN32_ |
b293c4d8 | 809 | |
810 | if (WIN32_run_mode == _WIN_SQUID_RUN_MODE_SERVICE) { | |
811 | debug(1, 0) ("Running as %s Windows System Service on %s\n", WIN32_Service_name, WIN32_OS_string); | |
812 | debug(1, 0) ("Service command line is: %s\n", WIN32_Service_Command_Line); | |
813 | } else | |
814 | debug(1, 0) ("Running on %s\n",WIN32_OS_string); | |
815 | ||
816 | #endif | |
817 | ||
36584579 | 818 | debugs(1, 1, "Process ID " << getpid()); |
62e76326 | 819 | |
a3d5953d | 820 | debug(1, 1) ("With %d file descriptors available\n", Squid_MaxFD); |
5f3f8d0e | 821 | |
6c1962dd | 822 | #ifdef _SQUID_MSWIN_ |
823 | ||
824 | debug(1, 1) ("With %d CRT stdio descriptors available\n", _getmaxstdio()); | |
825 | ||
826 | if (WIN32_Socks_initialized) | |
827 | debug(1, 1)("Windows sockets initialized\n"); | |
828 | ||
829 | #endif | |
830 | ||
9f75c559 | 831 | if (!configured_once) |
62e76326 | 832 | disk_init(); /* disk_init must go before ipcache_init() */ |
833 | ||
5f3f8d0e | 834 | ipcache_init(); |
62e76326 | 835 | |
f88bb09c | 836 | fqdncache_init(); |
62e76326 | 837 | |
0e70aa1e | 838 | parseEtcHosts(); |
62e76326 | 839 | |
3c573763 | 840 | #if USE_DNSSERVERS |
62e76326 | 841 | |
74addf6c | 842 | dnsInit(); |
62e76326 | 843 | |
3c573763 | 844 | #else |
62e76326 | 845 | |
7b724b86 | 846 | idnsInit(); |
62e76326 | 847 | |
eb824054 | 848 | #endif |
62e76326 | 849 | |
74addf6c | 850 | redirectInit(); |
62e76326 | 851 | |
e6ccf245 | 852 | authenticateInit(&Config.authConfiguration); |
62e76326 | 853 | |
d9572179 | 854 | externalAclInit(); |
62e76326 | 855 | |
b012353a | 856 | useragentOpenLog(); |
62e76326 | 857 | |
fd2c5549 | 858 | refererOpenLog(); |
62e76326 | 859 | |
2ac76861 | 860 | httpHeaderInitModule(); /* must go before any header processing (e.g. the one in errorInitialize) */ |
62e76326 | 861 | |
2246b732 | 862 | httpReplyInitModule(); /* must go before accepting replies */ |
62e76326 | 863 | |
9b312a19 | 864 | errorInitialize(); |
62e76326 | 865 | |
7a2f978b | 866 | accessLogInit(); |
62e76326 | 867 | |
3898f57f | 868 | #if USE_IDENT |
62e76326 | 869 | |
05832ae1 | 870 | identInit(); |
62e76326 | 871 | |
3898f57f | 872 | #endif |
5e14bf6d | 873 | #ifdef SQUID_SNMP |
62e76326 | 874 | |
5e14bf6d | 875 | snmpInit(); |
62e76326 | 876 | |
5e14bf6d | 877 | #endif |
30a4f2a8 | 878 | #if MALLOC_DBG |
62e76326 | 879 | |
5f3f8d0e | 880 | malloc_debug(0, malloc_debug_level); |
62e76326 | 881 | |
5f3f8d0e | 882 | #endif |
883 | ||
dbe4fd8e | 884 | if (!configured_once) { |
a3d0a19d | 885 | #if USE_UNLINKD |
62e76326 | 886 | unlinkdInit(); |
887 | #endif | |
888 | ||
889 | urlInitialize(); | |
62e76326 | 890 | statInit(); |
891 | storeInit(); | |
892 | mainSetCwd(); | |
893 | /* after this point we want to see the mallinfo() output */ | |
894 | do_mallinfo = 1; | |
895 | mimeInit(Config.mimeTablePathname); | |
62e76326 | 896 | refreshInit(); |
0d7e5d78 | 897 | #if DELAY_POOLS |
62e76326 | 898 | |
899 | DelayPools::Init(); | |
0d7e5d78 | 900 | #endif |
62e76326 | 901 | |
b6b6f466 | 902 | FwdState::initModule(); |
62ee09ca | 903 | /* register the modules in the cache manager menus */ |
904 | accessLogRegisterWithCacheManager(manager); | |
905 | asnRegisterWithCacheManager(manager); | |
906 | authenticateRegisterWithCacheManager(&Config.authConfiguration, manager); | |
907 | #if USE_CARP | |
908 | ||
909 | carpRegisterWithCacheManager(manager); | |
910 | #endif | |
911 | ||
912 | cbdataRegisterWithCacheManager(manager); | |
913 | /* These use separate calls so that the comm loops can eventually | |
914 | * coexist. | |
915 | */ | |
916 | #ifdef USE_EPOLL | |
917 | ||
918 | commEPollRegisterWithCacheManager(manager); | |
919 | #endif | |
920 | #ifdef USE_KQUEUE | |
921 | ||
922 | commKQueueRegisterWithCacheManager(manager); | |
923 | #endif | |
924 | #ifdef USE_POLL | |
925 | ||
926 | commPollRegisterWithCacheManager(manager); | |
927 | #endif | |
928 | #ifdef USE_SELECT | |
929 | ||
930 | commSelectRegisterWithCacheManager(manager); | |
931 | #endif | |
932 | ||
933 | clientdbRegisterWithCacheManager(manager); | |
610ee341 | 934 | #if DELAY_POOLS |
935 | ||
62ee09ca | 936 | DelayPools::RegisterWithCacheManager(manager); |
610ee341 | 937 | #endif |
938 | ||
62ee09ca | 939 | DiskIOModule::RegisterAllModulesWithCacheManager(manager); |
940 | #if USE_DNSSERVERS | |
941 | ||
942 | dnsRegisterWithCacheManager(manager); | |
943 | #endif | |
944 | ||
945 | eventInit(manager); | |
946 | externalAclRegisterWithCacheManager(manager); | |
947 | fqdncacheRegisterWithCacheManager(manager); | |
948 | FwdState::RegisterWithCacheManager(manager); | |
949 | httpHeaderRegisterWithCacheManager(manager); | |
5615c096 | 950 | #if !USE_DNSSERVERS |
951 | ||
62ee09ca | 952 | idnsRegisterWithCacheManager(manager); |
5615c096 | 953 | #endif |
954 | ||
62ee09ca | 955 | ipcacheRegisterWithCacheManager(manager); |
956 | Mem::RegisterWithCacheManager(manager); | |
957 | netdbRegisterWitHCacheManager(manager); | |
958 | PconnModule::GetInstance()->registerWithCacheManager(manager); | |
959 | redirectRegisterWithCacheManager(manager); | |
960 | refreshRegisterWithCacheManager(manager); | |
961 | statRegisterWithCacheManager(manager); | |
962 | storeDigestRegisterWithCacheManager(manager); | |
963 | StoreFileSystem::RegisterAllFsWithCacheManager(manager); | |
964 | storeRegisterWithCacheManager(manager); | |
91fabb06 | 965 | storeLogRegisterWithCacheManager(manager); |
62ee09ca | 966 | #if DEBUGSTRINGS |
967 | ||
968 | StringRegistry::Instance().registerWithCacheManager(manager); | |
969 | #endif | |
970 | ||
610ee341 | 971 | #if USE_XPROF_STATS |
972 | ||
62ee09ca | 973 | xprofRegisterWithCacheManager(manager); |
610ee341 | 974 | #endif |
975 | ||
5f3f8d0e | 976 | } |
62e76326 | 977 | |
1f38f50a | 978 | #if USE_WCCP |
979 | wccpInit(); | |
62e76326 | 980 | |
0b0cfcf2 | 981 | #endif |
982 | #if USE_WCCPv2 | |
983 | ||
984 | wccp2Init(); | |
985 | ||
1f38f50a | 986 | #endif |
62e76326 | 987 | |
2285407f | 988 | serverConnectionsOpen(); |
62e76326 | 989 | |
3ee2b4f8 | 990 | neighbors_init(); |
991 | neighborsRegisterWithCacheManager(manager); | |
62e76326 | 992 | |
efd900cb | 993 | if (Config.chroot_dir) |
62e76326 | 994 | no_suid(); |
995 | ||
dbe4fd8e | 996 | if (!configured_once) |
62e76326 | 997 | writePidFile(); /* write PID file */ |
0a5b9b32 | 998 | |
7e7a0442 | 999 | #ifdef _SQUID_LINUX_THREADS_ |
62e76326 | 1000 | |
e3175d1f | 1001 | squid_signal(SIGQUIT, rotate_logs, SA_RESTART); |
62e76326 | 1002 | |
e3175d1f | 1003 | squid_signal(SIGTRAP, sigusr2_handle, SA_RESTART); |
62e76326 | 1004 | |
e3175d1f | 1005 | #else |
62e76326 | 1006 | |
30a4f2a8 | 1007 | squid_signal(SIGUSR1, rotate_logs, SA_RESTART); |
62e76326 | 1008 | |
30a4f2a8 | 1009 | squid_signal(SIGUSR2, sigusr2_handle, SA_RESTART); |
62e76326 | 1010 | |
9fc0b4b8 | 1011 | #endif |
62e76326 | 1012 | |
30a4f2a8 | 1013 | squid_signal(SIGHUP, reconfigure, SA_RESTART); |
62e76326 | 1014 | |
30a4f2a8 | 1015 | squid_signal(SIGTERM, shut_down, SA_NODEFER | SA_RESETHAND | SA_RESTART); |
62e76326 | 1016 | |
30a4f2a8 | 1017 | squid_signal(SIGINT, shut_down, SA_NODEFER | SA_RESETHAND | SA_RESTART); |
62e76326 | 1018 | |
ae1feb30 | 1019 | #ifdef SIGTTIN |
1020 | ||
1021 | squid_signal(SIGTTIN, shut_down, SA_NODEFER | SA_RESETHAND | SA_RESTART); | |
1022 | ||
1023 | #endif | |
1024 | ||
58a39dc9 | 1025 | memCheckInit(); |
62e76326 | 1026 | |
aebbcd07 | 1027 | debug(1, 1) ("Ready to serve requests.\n"); |
62e76326 | 1028 | |
dbe4fd8e | 1029 | if (!configured_once) { |
c8f4eac4 | 1030 | eventAdd("storeMaintain", Store::Maintain, NULL, 1.0, 1); |
62e76326 | 1031 | |
1032 | if (Config.onoff.announce) | |
1033 | eventAdd("start_announce", start_announce, NULL, 3600.0, 1); | |
1034 | ||
1035 | eventAdd("ipcache_purgelru", ipcache_purgelru, NULL, 10.0, 1); | |
1036 | ||
1037 | eventAdd("fqdncache_purgelru", fqdncache_purgelru, NULL, 15.0, 1); | |
1038 | ||
88bfe092 | 1039 | #if USE_XPROF_STATS |
62e76326 | 1040 | |
1041 | eventAdd("cpuProfiling", xprof_event, NULL, 1.0, 1); | |
1042 | ||
88bfe092 | 1043 | #endif |
62e76326 | 1044 | |
1045 | eventAdd("memPoolCleanIdlePools", Mem::CleanIdlePools, NULL, 15.0, 1); | |
f900210a | 1046 | |
1047 | eventAdd("commCheckHalfClosed", commCheckHalfClosed, NULL, 1.0, false); | |
4d7add01 | 1048 | } |
62e76326 | 1049 | |
dbe4fd8e | 1050 | configured_once = 1; |
4d64d74a | 1051 | } |
1052 | ||
6c1962dd | 1053 | #if USE_WIN32_SERVICE |
1054 | /* When USE_WIN32_SERVICE is defined, the main function is placed in win32.cc */ | |
1055 | extern "C" void WINAPI | |
a0aa9e74 | 1056 | SquidWinSvcMain(int argc, char **argv) |
1057 | { | |
1058 | SquidMain(argc, argv); | |
1059 | } | |
1060 | ||
1061 | int | |
1062 | SquidMain(int argc, char **argv) | |
6c1962dd | 1063 | #else |
b8d8561b | 1064 | int |
1065 | main(int argc, char **argv) | |
9b7292ce | 1066 | #endif |
1067 | { | |
9b7292ce | 1068 | mode_t oldmask; |
a0aa9e74 | 1069 | #ifdef _SQUID_WIN32_ |
1070 | ||
1071 | int WIN32_init_err; | |
1072 | #endif | |
4d64d74a | 1073 | |
a4ba1105 | 1074 | #if HAVE_SBRK |
62e76326 | 1075 | |
9b7292ce | 1076 | sbrk_start = sbrk(0); |
a4ba1105 | 1077 | #endif |
1078 | ||
3dc275d6 | 1079 | Debug::parseOptions("ALL,1"); |
9b7292ce | 1080 | debug_log = stderr; |
62e76326 | 1081 | |
b9269882 | 1082 | #if defined(SQUID_MAXFD_LIMIT) |
1083 | ||
1084 | if (SQUID_MAXFD_LIMIT < Squid_MaxFD) | |
1085 | Squid_MaxFD = SQUID_MAXFD_LIMIT; | |
1086 | ||
1087 | #endif | |
399e85ea | 1088 | |
ec4daaa5 | 1089 | #ifdef _SQUID_WIN32_ |
6c1962dd | 1090 | |
a0aa9e74 | 1091 | if ((WIN32_init_err = WIN32_Subsystem_Init(&argc, &argv))) |
1092 | return WIN32_init_err; | |
62e76326 | 1093 | |
0e6d05ef | 1094 | #endif |
1095 | ||
9b7292ce | 1096 | /* call mallopt() before anything else */ |
0b29fe44 | 1097 | #if HAVE_MALLOPT |
7328e889 | 1098 | #ifdef M_GRAIN |
9b7292ce | 1099 | /* Round up all sizes to a multiple of this */ |
1100 | mallopt(M_GRAIN, 16); | |
62e76326 | 1101 | |
7328e889 | 1102 | #endif |
1103 | #ifdef M_MXFAST | |
9b7292ce | 1104 | /* biggest size that is considered a small block */ |
1105 | mallopt(M_MXFAST, 256); | |
62e76326 | 1106 | |
7328e889 | 1107 | #endif |
1108 | #ifdef M_NBLKS | |
9b7292ce | 1109 | /* allocate this many small blocks at once */ |
1110 | mallopt(M_NLBLKS, 32); | |
62e76326 | 1111 | |
7328e889 | 1112 | #endif |
1113 | #endif /* HAVE_MALLOPT */ | |
1114 | ||
9b7292ce | 1115 | /* |
1116 | * The plan here is to set the umask to 007 (deny others for | |
1117 | * read,write,execute), but only if the umask is not already | |
1118 | * set. Unfortunately, there is no way to get the current | |
1119 | * umask value without setting it. | |
1120 | */ | |
1121 | oldmask = umask(S_IRWXO); | |
62e76326 | 1122 | |
9b7292ce | 1123 | if (oldmask) |
1124 | umask(oldmask); | |
7e3ce7b9 | 1125 | |
ddfcbc22 | 1126 | memset(&local_addr, '\0', sizeof(struct IN_ADDR)); |
62e76326 | 1127 | |
9b7292ce | 1128 | safe_inet_addr(localhost, &local_addr); |
62e76326 | 1129 | |
ddfcbc22 | 1130 | memset(&any_addr, '\0', sizeof(struct IN_ADDR)); |
62e76326 | 1131 | |
9b7292ce | 1132 | safe_inet_addr("0.0.0.0", &any_addr); |
62e76326 | 1133 | |
ddfcbc22 | 1134 | memset(&no_addr, '\0', sizeof(struct IN_ADDR)); |
62e76326 | 1135 | |
9b7292ce | 1136 | safe_inet_addr("255.255.255.255", &no_addr); |
62e76326 | 1137 | |
9b7292ce | 1138 | squid_srandom(time(NULL)); |
4d64d74a | 1139 | |
9b7292ce | 1140 | getCurrentTime(); |
62e76326 | 1141 | |
9b7292ce | 1142 | squid_start = current_time; |
62e76326 | 1143 | |
9b7292ce | 1144 | failure_notify = fatal_dump; |
4d64d74a | 1145 | |
6c1962dd | 1146 | #if USE_WIN32_SERVICE |
1147 | ||
9b7292ce | 1148 | WIN32_svcstatusupdate(SERVICE_START_PENDING, 10000); |
6c1962dd | 1149 | |
1150 | #endif | |
1151 | ||
9b7292ce | 1152 | mainParseOptions(argc, argv); |
4d64d74a | 1153 | |
6c1962dd | 1154 | #if USE_WIN32_SERVICE |
1155 | ||
a0aa9e74 | 1156 | if (opt_install_service) |
1157 | { | |
9b7292ce | 1158 | WIN32_InstallService(); |
a0aa9e74 | 1159 | return 0; |
9b7292ce | 1160 | } |
6c1962dd | 1161 | |
a0aa9e74 | 1162 | if (opt_remove_service) |
1163 | { | |
9b7292ce | 1164 | WIN32_RemoveService(); |
a0aa9e74 | 1165 | return 0; |
9b7292ce | 1166 | } |
6c1962dd | 1167 | |
a0aa9e74 | 1168 | if (opt_command_line) |
1169 | { | |
9b7292ce | 1170 | WIN32_SetServiceCommandLine(); |
a0aa9e74 | 1171 | return 0; |
9b7292ce | 1172 | } |
6c1962dd | 1173 | |
1174 | #endif | |
1175 | ||
9b7292ce | 1176 | /* parse configuration file |
1177 | * note: in "normal" case this used to be called from mainInitialize() */ | |
1178 | { | |
1179 | int parse_err; | |
62e76326 | 1180 | |
9b7292ce | 1181 | if (!ConfigFile) |
1182 | ConfigFile = xstrdup(DefaultConfigFile); | |
62e76326 | 1183 | |
9b7292ce | 1184 | assert(!configured_once); |
62e76326 | 1185 | |
9b7292ce | 1186 | Mem::Init(); |
62e76326 | 1187 | |
9b7292ce | 1188 | storeFsInit(); /* required for config parsing */ |
62e76326 | 1189 | |
b9ae18aa | 1190 | /* May not be needed for parsing, have not audited for such */ |
1191 | DiskIOModule::SetupAllModules(); | |
1192 | ||
59b2d47f | 1193 | /* Shouldn't be needed for config parsing, but have not audited for such */ |
1194 | StoreFileSystem::SetupAllFs(); | |
1195 | ||
c8f4eac4 | 1196 | /* we may want the parsing process to set this up in the future */ |
1197 | Store::Root(new StoreController); | |
1198 | ||
62ee09ca | 1199 | parse_err = parseConfigFile(ConfigFile, manager); |
62e76326 | 1200 | |
9b7292ce | 1201 | if (opt_parse_cfg_only) |
6c1962dd | 1202 | |
9b7292ce | 1203 | return parse_err; |
9b7292ce | 1204 | } |
1205 | if (-1 == opt_send_signal) | |
1206 | if (checkRunningPid()) | |
1207 | exit(1); | |
e13ee7ad | 1208 | |
9bc73deb | 1209 | #if TEST_ACCESS |
62e76326 | 1210 | |
95564b0d | 1211 | comm_init(); |
62e76326 | 1212 | |
9b7292ce | 1213 | comm_select_init(); |
62e76326 | 1214 | |
9b7292ce | 1215 | mainInitialize(); |
62e76326 | 1216 | |
9b7292ce | 1217 | test_access(); |
62e76326 | 1218 | |
9b7292ce | 1219 | return 0; |
62e76326 | 1220 | |
9bc73deb | 1221 | #endif |
1222 | ||
9b7292ce | 1223 | /* send signal to running copy and exit */ |
a0aa9e74 | 1224 | if (opt_send_signal != -1) |
1225 | { | |
9b7292ce | 1226 | /* chroot if configured to run inside chroot */ |
62e76326 | 1227 | |
a572d8be | 1228 | if (Config.chroot_dir) { |
1229 | if (chroot(Config.chroot_dir)) | |
1230 | fatal("failed to chroot"); | |
1231 | ||
1232 | no_suid(); | |
1233 | } else { | |
1234 | leave_suid(); | |
9b7292ce | 1235 | } |
62e76326 | 1236 | |
9b7292ce | 1237 | sendSignal(); |
1238 | /* NOTREACHED */ | |
1239 | } | |
62e76326 | 1240 | |
a0aa9e74 | 1241 | if (opt_create_swap_dirs) |
1242 | { | |
9b7292ce | 1243 | /* chroot if configured to run inside chroot */ |
0e657244 | 1244 | |
9b7292ce | 1245 | if (Config.chroot_dir && chroot(Config.chroot_dir)) { |
1246 | fatal("failed to chroot"); | |
1247 | } | |
62e76326 | 1248 | |
9b7292ce | 1249 | setEffectiveUser(); |
1250 | debug(0, 0) ("Creating Swap Directories\n"); | |
c8f4eac4 | 1251 | Store::Root().create(); |
6c1962dd | 1252 | |
9b7292ce | 1253 | return 0; |
9b7292ce | 1254 | } |
62e76326 | 1255 | |
9b7292ce | 1256 | if (!opt_no_daemon) |
1257 | watch_child(argv); | |
62e76326 | 1258 | |
95564b0d | 1259 | setMaxFD(); |
1260 | ||
1261 | /* init comm module */ | |
1262 | comm_init(); | |
62e76326 | 1263 | |
9b7292ce | 1264 | comm_select_init(); |
4d64d74a | 1265 | |
a0aa9e74 | 1266 | if (opt_no_daemon) |
1267 | { | |
9b7292ce | 1268 | /* we have to init fdstat here. */ |
1269 | fd_open(0, FD_LOG, "stdin"); | |
1270 | fd_open(1, FD_LOG, "stdout"); | |
1271 | fd_open(2, FD_LOG, "stderr"); | |
1272 | } | |
62e76326 | 1273 | |
6c1962dd | 1274 | #if USE_WIN32_SERVICE |
1275 | ||
9b7292ce | 1276 | WIN32_svcstatusupdate(SERVICE_START_PENDING, 10000); |
6c1962dd | 1277 | |
1278 | #endif | |
1279 | ||
9b7292ce | 1280 | mainInitialize(); |
4d64d74a | 1281 | |
6c1962dd | 1282 | #if USE_WIN32_SERVICE |
1283 | ||
9b7292ce | 1284 | WIN32_svcstatusupdate(SERVICE_RUNNING, 0); |
6c1962dd | 1285 | |
1286 | #endif | |
1287 | ||
9b7292ce | 1288 | /* main loop */ |
a553a5a3 | 1289 | EventLoop mainLoop; |
62e76326 | 1290 | |
a553a5a3 | 1291 | SignalDispatcher signal_dispatcher(mainLoop); |
6c1962dd | 1292 | |
a553a5a3 | 1293 | mainLoop.registerDispatcher(&signal_dispatcher); |
62e76326 | 1294 | |
a553a5a3 | 1295 | /* TODO: stop requiring the singleton here */ |
1296 | mainLoop.registerDispatcher(EventDispatcher::GetInstance()); | |
62e76326 | 1297 | |
8ff3fa2e | 1298 | /* TODO: stop requiring the singleton here */ |
1299 | mainLoop.registerEngine(EventScheduler::GetInstance()); | |
62e76326 | 1300 | |
8ff3fa2e | 1301 | StoreRootEngine store_engine; |
615f9581 | 1302 | |
8ff3fa2e | 1303 | mainLoop.registerEngine(&store_engine); |
a774fd3f | 1304 | |
8ff3fa2e | 1305 | CommDispatcher comm_dispatcher; |
c2e8186f | 1306 | |
8ff3fa2e | 1307 | mainLoop.registerDispatcher(&comm_dispatcher); |
1308 | ||
1309 | CommSelectEngine comm_engine; | |
1310 | ||
8ff3fa2e | 1311 | mainLoop.registerEngine(&comm_engine); |
1312 | ||
bef81ea5 | 1313 | mainLoop.setPrimaryEngine(&comm_engine); |
1314 | ||
8ff3fa2e | 1315 | /* use the standard time service */ |
1316 | TimeEngine time_engine; | |
1317 | ||
1318 | mainLoop.setTimeService(&time_engine); | |
1319 | ||
1320 | mainLoop.run(); | |
1321 | ||
1322 | if (mainLoop.errcount == 10) | |
1323 | fatal_dump("Event loop exited with failure."); | |
1324 | ||
1325 | /* shutdown squid now */ | |
1326 | SquidShutdown(); | |
62e76326 | 1327 | |
9b7292ce | 1328 | /* NOTREACHED */ |
9b7292ce | 1329 | return 0; |
090089c4 | 1330 | } |
7690e8eb | 1331 | |
b8d8561b | 1332 | static void |
0673c0ba | 1333 | sendSignal(void) |
7690e8eb | 1334 | { |
ff8d0ea6 | 1335 | pid_t pid; |
fedac7e5 | 1336 | debug_log = stderr; |
258ac4d7 | 1337 | |
1338 | if (strcmp(Config.pidFilename, "none") == 0) { | |
1339 | debug(0, 1) ("No pid_filename specified. Trusting you know what you are doing.\n"); | |
1340 | } | |
1341 | ||
fedac7e5 | 1342 | pid = readPidFile(); |
62e76326 | 1343 | |
fedac7e5 | 1344 | if (pid > 1) { |
6c1962dd | 1345 | #if USE_WIN32_SERVICE |
1346 | ||
1347 | if (opt_signal_service) { | |
1348 | WIN32_sendSignal(opt_send_signal); | |
1349 | exit(0); | |
1350 | } else | |
1351 | #ifdef _SQUID_MSWIN_ | |
1352 | { | |
1353 | fprintf(stderr, "%s: ERROR: Could not send ", appname); | |
1354 | fprintf(stderr, "signal to Squid Service:\n"); | |
1355 | fprintf(stderr, "missing -n command line switch.\n"); | |
1356 | exit(1); | |
1357 | } | |
1358 | ||
1359 | /* NOTREACHED */ | |
1360 | #endif | |
1361 | ||
1362 | #endif | |
1363 | ||
62e76326 | 1364 | if (kill(pid, opt_send_signal) && |
1365 | /* ignore permissions if just running check */ | |
1366 | !(opt_send_signal == 0 && errno == EPERM)) { | |
1367 | fprintf(stderr, "%s: ERROR: Could not send ", appname); | |
1368 | fprintf(stderr, "signal %d to process %d: %s\n", | |
1369 | opt_send_signal, (int) pid, xstrerror()); | |
1370 | exit(1); | |
1371 | } | |
fedac7e5 | 1372 | } else { |
62e76326 | 1373 | fprintf(stderr, "%s: ERROR: No running copy\n", appname); |
1374 | exit(1); | |
7690e8eb | 1375 | } |
62e76326 | 1376 | |
fedac7e5 | 1377 | /* signal successfully sent */ |
1378 | exit(0); | |
1379 | } | |
f95b8144 | 1380 | |
a50bfe93 | 1381 | #ifndef _SQUID_MSWIN_ |
e18d7fdc | 1382 | /* |
1383 | * This function is run when Squid is in daemon mode, just | |
1384 | * before the parent forks and starts up the child process. | |
1385 | * It can be used for admin-specific tasks, such as notifying | |
1386 | * someone that Squid is (re)started. | |
1387 | */ | |
1388 | static void | |
1389 | mainStartScript(const char *prog) | |
1390 | { | |
1391 | char script[SQUID_MAXPATHLEN]; | |
1392 | char *t; | |
1393 | size_t sl = 0; | |
1394 | pid_t cpid; | |
1395 | pid_t rpid; | |
1396 | xstrncpy(script, prog, MAXPATHLEN); | |
62e76326 | 1397 | |
e18d7fdc | 1398 | if ((t = strrchr(script, '/'))) { |
62e76326 | 1399 | *(++t) = '\0'; |
1400 | sl = strlen(script); | |
e18d7fdc | 1401 | } |
62e76326 | 1402 | |
e18d7fdc | 1403 | xstrncpy(&script[sl], squid_start_script, MAXPATHLEN - sl); |
62e76326 | 1404 | |
e18d7fdc | 1405 | if ((cpid = fork()) == 0) { |
62e76326 | 1406 | /* child */ |
f75662c9 | 1407 | execl(script, squid_start_script, (char *)NULL); |
482aa790 | 1408 | _exit(-1); |
e18d7fdc | 1409 | } else { |
62e76326 | 1410 | do { |
e18d7fdc | 1411 | #ifdef _SQUID_NEXT_ |
62e76326 | 1412 | union wait status; |
1413 | rpid = wait3(&status, 0, NULL); | |
e18d7fdc | 1414 | #else |
62e76326 | 1415 | |
1416 | int status; | |
1417 | rpid = waitpid(-1, &status, 0); | |
e18d7fdc | 1418 | #endif |
62e76326 | 1419 | |
1420 | } while (rpid != cpid); | |
e18d7fdc | 1421 | } |
1422 | } | |
1423 | ||
a50bfe93 | 1424 | #endif /* _SQUID_MSWIN_ */ |
1425 | ||
efd900cb | 1426 | static int |
1427 | checkRunningPid(void) | |
1428 | { | |
1429 | pid_t pid; | |
e0077312 | 1430 | |
1431 | if (!debug_log) | |
1432 | debug_log = stderr; | |
1433 | ||
efd900cb | 1434 | pid = readPidFile(); |
62e76326 | 1435 | |
efd900cb | 1436 | if (pid < 2) |
62e76326 | 1437 | return 0; |
1438 | ||
efd900cb | 1439 | if (kill(pid, 0) < 0) |
62e76326 | 1440 | return 0; |
1441 | ||
cb7a4fcb | 1442 | debugs(0, 0, "Squid is already running! Process ID " << pid); |
62e76326 | 1443 | |
efd900cb | 1444 | return 1; |
1445 | } | |
1446 | ||
f95b8144 | 1447 | static void |
bbe199dc | 1448 | watch_child(char *argv[]) |
f95b8144 | 1449 | { |
a50bfe93 | 1450 | #ifndef _SQUID_MSWIN_ |
f95b8144 | 1451 | char *prog; |
f95b8144 | 1452 | int failcount = 0; |
1453 | time_t start; | |
1454 | time_t stop; | |
1455 | #ifdef _SQUID_NEXT_ | |
62e76326 | 1456 | |
f95b8144 | 1457 | union wait status; |
1458 | #else | |
62e76326 | 1459 | |
f95b8144 | 1460 | int status; |
1461 | #endif | |
62e76326 | 1462 | |
e3a3b845 | 1463 | pid_t pid; |
c99c5397 | 1464 | #ifdef TIOCNOTTY |
1465 | ||
54f742e7 | 1466 | int i; |
c99c5397 | 1467 | #endif |
1468 | ||
742724a4 | 1469 | int nullfd; |
62e76326 | 1470 | |
f95b8144 | 1471 | if (*(argv[0]) == '(') |
62e76326 | 1472 | return; |
1473 | ||
54f742e7 | 1474 | openlog(appname, LOG_PID | LOG_NDELAY | LOG_CONS, LOG_LOCAL4); |
62e76326 | 1475 | |
54f742e7 | 1476 | if ((pid = fork()) < 0) |
62e76326 | 1477 | syslog(LOG_ALERT, "fork failed: %s", xstrerror()); |
54f742e7 | 1478 | else if (pid > 0) |
62e76326 | 1479 | exit(0); |
1480 | ||
54f742e7 | 1481 | if (setsid() < 0) |
62e76326 | 1482 | syslog(LOG_ALERT, "setsid failed: %s", xstrerror()); |
1483 | ||
efd900cb | 1484 | closelog(); |
62e76326 | 1485 | |
54f742e7 | 1486 | #ifdef TIOCNOTTY |
62e76326 | 1487 | |
c4aefe96 | 1488 | if ((i = open("/dev/tty", O_RDWR | O_TEXT)) >= 0) { |
62e76326 | 1489 | ioctl(i, TIOCNOTTY, NULL); |
1490 | close(i); | |
54f742e7 | 1491 | } |
62e76326 | 1492 | |
54f742e7 | 1493 | #endif |
b05490a8 | 1494 | |
7f6ffd15 | 1495 | /* |
1496 | * RBCOLLINS - if cygwin stackdumps when squid is run without | |
1497 | * -N, check the cygwin1.dll version, it needs to be AT LEAST | |
1498 | * 1.1.3. execvp had a bit overflow error in a loop.. | |
1499 | */ | |
742724a4 | 1500 | /* Connect stdio to /dev/null in daemon mode */ |
4da086c4 | 1501 | nullfd = open(_PATH_DEVNULL, O_RDWR | O_TEXT); |
62e76326 | 1502 | |
e4a1325e | 1503 | if (nullfd < 0) |
4da086c4 | 1504 | fatalf(_PATH_DEVNULL " %s\n", xstrerror()); |
e4a1325e | 1505 | |
742724a4 | 1506 | dup2(nullfd, 0); |
62e76326 | 1507 | |
742724a4 | 1508 | if (opt_debug_stderr < 0) { |
62e76326 | 1509 | dup2(nullfd, 1); |
1510 | dup2(nullfd, 2); | |
742724a4 | 1511 | } |
62e76326 | 1512 | |
f95b8144 | 1513 | for (;;) { |
62e76326 | 1514 | mainStartScript(argv[0]); |
1515 | ||
1516 | if ((pid = fork()) == 0) { | |
1517 | /* child */ | |
1518 | openlog(appname, LOG_PID | LOG_NDELAY | LOG_CONS, LOG_LOCAL4); | |
1519 | prog = xstrdup(argv[0]); | |
1520 | argv[0] = xstrdup("(squid)"); | |
1521 | execvp(prog, argv); | |
1522 | syslog(LOG_ALERT, "execvp failed: %s", xstrerror()); | |
1523 | } | |
1524 | ||
1525 | /* parent */ | |
1526 | openlog(appname, LOG_PID | LOG_NDELAY | LOG_CONS, LOG_LOCAL4); | |
1527 | ||
1528 | syslog(LOG_NOTICE, "Squid Parent: child process %d started", pid); | |
1529 | ||
1530 | time(&start); | |
1531 | ||
1532 | squid_signal(SIGINT, SIG_IGN, SA_RESTART); | |
1533 | ||
f95b8144 | 1534 | #ifdef _SQUID_NEXT_ |
62e76326 | 1535 | |
1536 | pid = wait3(&status, 0, NULL); | |
1537 | ||
f95b8144 | 1538 | #else |
62e76326 | 1539 | |
1540 | pid = waitpid(-1, &status, 0); | |
1541 | ||
1542 | #endif | |
1543 | ||
1544 | time(&stop); | |
1545 | ||
1546 | if (WIFEXITED(status)) { | |
1547 | syslog(LOG_NOTICE, | |
1548 | "Squid Parent: child process %d exited with status %d", | |
1549 | pid, WEXITSTATUS(status)); | |
1550 | } else if (WIFSIGNALED(status)) { | |
1551 | syslog(LOG_NOTICE, | |
1552 | "Squid Parent: child process %d exited due to signal %d", | |
1553 | pid, WTERMSIG(status)); | |
1554 | } else { | |
1555 | syslog(LOG_NOTICE, "Squid Parent: child process %d exited", pid); | |
1556 | } | |
1557 | ||
1558 | if (stop - start < 10) | |
1559 | failcount++; | |
1560 | else | |
1561 | failcount = 0; | |
1562 | ||
1563 | if (failcount == 5) { | |
1564 | syslog(LOG_ALERT, "Exiting due to repeated, frequent failures"); | |
1565 | exit(1); | |
1566 | } | |
1567 | ||
1568 | if (WIFEXITED(status)) | |
1569 | if (WEXITSTATUS(status) == 0) | |
1570 | exit(0); | |
1571 | ||
1572 | if (WIFSIGNALED(status)) { | |
1573 | switch (WTERMSIG(status)) { | |
1574 | ||
1575 | case SIGKILL: | |
1576 | exit(0); | |
1577 | break; | |
1578 | ||
1579 | default: | |
1580 | break; | |
1581 | } | |
1582 | } | |
1583 | ||
1584 | squid_signal(SIGINT, SIG_DFL, SA_RESTART); | |
1585 | sleep(3); | |
f95b8144 | 1586 | } |
62e76326 | 1587 | |
bbe199dc | 1588 | /* NOTREACHED */ |
a50bfe93 | 1589 | #endif /* _SQUID_MSWIN_ */ |
a572d8be | 1590 | |
f95b8144 | 1591 | } |
fff6ad65 | 1592 | |
9ec1a1dc | 1593 | static void |
8ff3fa2e | 1594 | SquidShutdown() |
fff6ad65 | 1595 | { |
6c1962dd | 1596 | #if USE_WIN32_SERVICE |
1597 | WIN32_svcstatusupdate(SERVICE_STOP_PENDING, 10000); | |
1598 | #endif | |
1599 | ||
fff6ad65 | 1600 | debug(1, 1) ("Shutting down...\n"); |
95a83c22 | 1601 | #if USE_DNSSERVERS |
1602 | ||
1603 | dnsShutdown(); | |
1604 | #else | |
1605 | ||
1606 | idnsShutdown(); | |
1607 | #endif | |
1608 | ||
1609 | redirectShutdown(); | |
1610 | externalAclShutdown(); | |
d723bf6b | 1611 | icpConnectionClose(); |
1612 | #if USE_HTCP | |
62e76326 | 1613 | |
d723bf6b | 1614 | htcpSocketClose(); |
1615 | #endif | |
1616 | #ifdef SQUID_SNMP | |
62e76326 | 1617 | |
d723bf6b | 1618 | snmpConnectionClose(); |
320e9f36 | 1619 | #endif |
eb824054 | 1620 | #if USE_WCCP |
62e76326 | 1621 | |
320e9f36 | 1622 | wccpConnectionClose(); |
d723bf6b | 1623 | #endif |
0b0cfcf2 | 1624 | #if USE_WCCPv2 |
1625 | ||
1626 | wccp2ConnectionClose(); | |
1627 | #endif | |
62e76326 | 1628 | |
fff6ad65 | 1629 | releaseServerSockets(); |
d723bf6b | 1630 | commCloseAllSockets(); |
515ec4dc | 1631 | #if DELAY_POOLS |
62e76326 | 1632 | |
b67e2c8c | 1633 | DelayPools::FreePools(); |
515ec4dc | 1634 | #endif |
62e76326 | 1635 | |
5dae8514 | 1636 | authenticateShutdown(); |
6c1962dd | 1637 | #if USE_WIN32_SERVICE |
1638 | ||
1639 | WIN32_svcstatusupdate(SERVICE_STOP_PENDING, 10000); | |
1640 | #endif | |
62e76326 | 1641 | |
c8f4eac4 | 1642 | Store::Root().sync(); /* Flush pending object writes/unlinks */ |
4d075ba0 | 1643 | #if USE_UNLINKD |
1644 | ||
1645 | unlinkdClose(); /* after sync/flush */ | |
1646 | #endif | |
fff6ad65 | 1647 | storeDirWriteCleanLogs(0); |
1648 | PrintRusage(); | |
1649 | dumpMallocStats(); | |
c8f4eac4 | 1650 | Store::Root().sync(); /* Flush log writes */ |
fff6ad65 | 1651 | storeLogClose(); |
1652 | accessLogClose(); | |
5b824235 | 1653 | useragentLogClose(); |
c9b99797 | 1654 | refererCloseLog(); |
225644d7 | 1655 | #if WIP_FWD_LOG |
62e76326 | 1656 | |
225644d7 | 1657 | fwdUninit(); |
1658 | #endif | |
62e76326 | 1659 | |
c8f4eac4 | 1660 | Store::Root().sync(); /* Flush log close */ |
59b2d47f | 1661 | StoreFileSystem::FreeAllFs(); |
b9ae18aa | 1662 | DiskIOModule::FreeAllModules(); |
afec404b | 1663 | #if LEAK_CHECK_MODE && 0 /* doesn't work at the moment */ |
62e76326 | 1664 | |
fff6ad65 | 1665 | configFreeMemory(); |
1666 | storeFreeMemory(); | |
33ab18e8 | 1667 | /*stmemFreeMemory(); */ |
fff6ad65 | 1668 | netdbFreeMemory(); |
1669 | ipcacheFreeMemory(); | |
1670 | fqdncacheFreeMemory(); | |
1671 | asnFreeMemory(); | |
26a369ba | 1672 | clientdbFreeMemory(); |
7021844c | 1673 | httpHeaderCleanModule(); |
d2db411c | 1674 | statFreeMemory(); |
f1fc2a8d | 1675 | eventFreeMemory(); |
c68e9c6b | 1676 | mimeFreeMemory(); |
1677 | errorClean(); | |
fff6ad65 | 1678 | #endif |
26a369ba | 1679 | #if !XMALLOC_TRACE |
62e76326 | 1680 | |
54f742e7 | 1681 | if (opt_no_daemon) { |
62e76326 | 1682 | file_close(0); |
1683 | file_close(1); | |
1684 | file_close(2); | |
54f742e7 | 1685 | } |
62e76326 | 1686 | |
33ab18e8 | 1687 | #endif |
fff6ad65 | 1688 | fdDumpOpen(); |
62e76326 | 1689 | |
fff6ad65 | 1690 | fdFreeMemory(); |
62e76326 | 1691 | |
ddb43c58 | 1692 | memClean(); |
62e76326 | 1693 | |
33ab18e8 | 1694 | #if XMALLOC_TRACE |
62e76326 | 1695 | |
26a369ba | 1696 | xmalloc_find_leaks(); |
62e76326 | 1697 | |
26a369ba | 1698 | debug(1, 0) ("Memory used after shutdown: %d\n", xmalloc_total); |
62e76326 | 1699 | |
33ab18e8 | 1700 | #endif |
36a97e19 | 1701 | #if MEM_GEN_TRACE |
62e76326 | 1702 | |
399e85ea | 1703 | log_trace_done(); |
62e76326 | 1704 | |
36a97e19 | 1705 | #endif |
62e76326 | 1706 | |
ab50ee9e | 1707 | if (Config.pidFilename && strcmp(Config.pidFilename, "none") != 0) { |
62e76326 | 1708 | enter_suid(); |
1709 | safeunlink(Config.pidFilename, 0); | |
1710 | leave_suid(); | |
ab50ee9e | 1711 | } |
62e76326 | 1712 | |
a60f7062 | 1713 | debug(1, 1) ("Squid Cache (Version %s): Exiting normally.\n", |
62e76326 | 1714 | version_string); |
1715 | ||
0cfa98cb | 1716 | /* |
1717 | * DPW 2006-10-23 | |
1718 | * We used to fclose(debug_log) here if it was set, but then | |
1719 | * we forgot to set it to NULL. That caused some coredumps | |
1720 | * because exit() ends up calling a bunch of destructors and | |
1721 | * such. So rather than forcing the debug_log to close, we'll | |
1722 | * leave it open so that those destructors can write some | |
1723 | * debugging if necessary. The file will be closed anyway when | |
1724 | * the process truly exits. | |
1725 | */ | |
62e76326 | 1726 | |
ae1feb30 | 1727 | exit(shutdown_status); |
fff6ad65 | 1728 | } |
bef81ea5 | 1729 |