]>
Commit | Line | Data |
---|---|---|
a8258824 | 1 | |
9cef6668 | 2 | /* |
e55650e3 | 3 | * $Id: structs.h,v 1.214 1998/08/30 05:21:43 wessels Exp $ |
9cef6668 | 4 | * |
5 | * | |
6 | * SQUID Internet Object Cache http://squid.nlanr.net/Squid/ | |
7 | * ---------------------------------------------------------- | |
8 | * | |
9 | * Squid is the result of efforts by numerous individuals from the | |
10 | * Internet community. Development is led by Duane Wessels of the | |
11 | * National Laboratory for Applied Network Research and funded by the | |
12 | * National Science Foundation. Squid is Copyrighted (C) 1998 by | |
13 | * Duane Wessels and the University of California San Diego. Please | |
14 | * see the COPYRIGHT file for full details. Squid incorporates | |
15 | * software developed and/or copyrighted by other sources. Please see | |
16 | * the CREDITS file for full details. | |
17 | * | |
18 | * This program is free software; you can redistribute it and/or modify | |
19 | * it under the terms of the GNU General Public License as published by | |
20 | * the Free Software Foundation; either version 2 of the License, or | |
21 | * (at your option) any later version. | |
22 | * | |
23 | * This program is distributed in the hope that it will be useful, | |
24 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
25 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
26 | * GNU General Public License for more details. | |
27 | * | |
28 | * You should have received a copy of the GNU General Public License | |
29 | * along with this program; if not, write to the Free Software | |
30 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. | |
31 | * | |
32 | */ | |
33 | ||
a8258824 | 34 | struct _acl_ip_data { |
35 | struct in_addr addr1; /* if addr2 non-zero then its a range */ | |
36 | struct in_addr addr2; | |
37 | struct in_addr mask; | |
1a106e18 | 38 | acl_ip_data *next; /* used for parsing, not for storing */ |
a8258824 | 39 | }; |
40 | ||
43d4303e | 41 | struct _acl_snmp_comm { |
42 | char *name; | |
43 | void *community; | |
44 | acl_snmp_comm *next; | |
45 | }; | |
46 | ||
a8258824 | 47 | struct _acl_time_data { |
48 | int weekbits; | |
49 | int start; | |
50 | int stop; | |
74fbf3c9 | 51 | acl_time_data *next; |
a8258824 | 52 | }; |
53 | ||
54 | struct _acl_name_list { | |
55 | char name[ACL_NAME_SZ]; | |
74fbf3c9 | 56 | acl_name_list *next; |
a8258824 | 57 | }; |
58 | ||
afe95a7e | 59 | struct _acl_proxy_auth { |
73e67ee0 | 60 | int timeout; /* timeout value for cached usercode:password entries */ |
afe95a7e | 61 | hash_table *hash; |
62 | }; | |
63 | ||
ec878047 | 64 | struct _acl_proxy_auth_user { |
65 | /* first two items must be same as hash_link */ | |
66 | char *user; | |
67 | acl_proxy_auth_user *next; | |
73e67ee0 | 68 | /* extra fields for proxy_auth */ |
ec878047 | 69 | char *passwd; |
73e67ee0 | 70 | int passwd_ok; /* 1 = passwd checked OK */ |
71 | long expiretime; | |
ec878047 | 72 | }; |
73 | ||
a8258824 | 74 | struct _acl_deny_info_list { |
02922e76 | 75 | int err_page_id; |
76 | char *err_page_name; | |
74fbf3c9 | 77 | acl_name_list *acl_list; |
78 | acl_deny_info_list *next; | |
a8258824 | 79 | }; |
80 | ||
66c75c41 | 81 | #if USE_ARP_ACL |
cbe3a719 | 82 | |
66c75c41 | 83 | struct _acl_arp_data { |
74b7003b | 84 | char eth[6]; |
66c75c41 | 85 | }; |
cbe3a719 | 86 | |
66c75c41 | 87 | #endif |
88 | ||
02922e76 | 89 | struct _String { |
90 | /* never reference these directly! */ | |
a369131d | 91 | unsigned short int size; /* buffer size; 64K limit */ |
92 | unsigned short int len; /* current length */ | |
02922e76 | 93 | char *buf; |
94 | }; | |
95 | ||
1df370e3 | 96 | #if SQUID_SNMP |
43d4303e | 97 | |
a9ddb359 | 98 | struct _snmp_request_t { |
5e29a294 | 99 | u_char *buf; |
100 | u_char *outbuf; | |
2ac76861 | 101 | int len; |
102 | int sock; | |
103 | long reqid; | |
104 | int outlen; | |
105 | struct sockaddr_in from; | |
106 | struct snmp_pdu *PDU; | |
107 | aclCheck_t *acl_checklist; | |
5e29a294 | 108 | u_char *community; |
a9ddb359 | 109 | }; |
bdf18524 | 110 | |
a9ddb359 | 111 | struct _viewEntry { |
6ccb94e5 | 112 | char viewName[32]; |
113 | int viewIndex; | |
114 | int viewType; | |
115 | int viewSubtreeLen; | |
116 | oid viewSubtree[32]; | |
117 | struct _viewEntry *next; | |
a9ddb359 | 118 | }; |
6ccb94e5 | 119 | |
a9ddb359 | 120 | struct _communityEntry { |
6ccb94e5 | 121 | char name[64]; |
122 | int readView; | |
123 | int writeView; | |
bd05e3e3 | 124 | acl_access *acls; |
125 | communityEntry *next; | |
a9ddb359 | 126 | }; |
6ccb94e5 | 127 | |
a9ddb359 | 128 | struct _usecEntry { |
6ccb94e5 | 129 | u_char userName[32]; |
130 | int userLen; | |
131 | int qoS; | |
132 | u_char authKey[16]; | |
133 | u_char privKey[16]; | |
134 | int noauthReadView; | |
135 | int noauthWriteView; | |
136 | int authReadView; | |
137 | int authWriteView; | |
bd05e3e3 | 138 | usecEntry *next; |
a9ddb359 | 139 | }; |
194dd3b8 | 140 | |
1df370e3 | 141 | #endif |
a97cfa48 | 142 | |
a8258824 | 143 | struct _acl { |
144 | char name[ACL_NAME_SZ]; | |
145 | squid_acl type; | |
146 | void *data; | |
147 | char *cfgline; | |
bd05e3e3 | 148 | acl *next; |
a8258824 | 149 | }; |
150 | ||
151 | struct _acl_list { | |
152 | int op; | |
bd05e3e3 | 153 | acl *acl; |
154 | acl_list *next; | |
a8258824 | 155 | }; |
156 | ||
157 | struct _acl_access { | |
158 | int allow; | |
bd05e3e3 | 159 | acl_list *acl_list; |
a8258824 | 160 | char *cfgline; |
bd05e3e3 | 161 | acl_access *next; |
a8258824 | 162 | }; |
163 | ||
164 | struct _aclCheck_t { | |
bd05e3e3 | 165 | const acl_access *access_list; |
a8258824 | 166 | struct in_addr src_addr; |
167 | struct in_addr dst_addr; | |
168 | request_t *request; | |
def67559 | 169 | char ident[USER_IDENT_SZ]; |
a8258824 | 170 | char browser[BROWSERNAMELEN]; |
73e67ee0 | 171 | acl_proxy_auth_user *auth_user; |
a8258824 | 172 | acl_lookup_state state[ACL_ENUM_MAX]; |
173 | PF *callback; | |
174 | void *callback_data; | |
175 | }; | |
176 | ||
177 | struct _aio_result_t { | |
178 | int aio_return; | |
179 | int aio_errno; | |
180 | }; | |
181 | ||
182 | struct _wordlist { | |
183 | char *key; | |
bd05e3e3 | 184 | wordlist *next; |
a8258824 | 185 | }; |
186 | ||
187 | struct _intlist { | |
188 | int i; | |
bd05e3e3 | 189 | intlist *next; |
a8258824 | 190 | }; |
191 | ||
192 | struct _ushortlist { | |
193 | u_short i; | |
bd05e3e3 | 194 | ushortlist *next; |
a8258824 | 195 | }; |
196 | ||
197 | struct _relist { | |
198 | char *pattern; | |
199 | regex_t regex; | |
bd05e3e3 | 200 | relist *next; |
a8258824 | 201 | }; |
202 | ||
56e64999 | 203 | #if DELAY_POOLS |
95e36d02 | 204 | struct _delay_spec { |
205 | int restore_bps; | |
206 | int max_bytes; | |
207 | }; | |
1dfa1d81 | 208 | |
56e64999 | 209 | #endif |
95e36d02 | 210 | |
a8258824 | 211 | struct _SquidConfig { |
212 | struct { | |
9906e724 | 213 | size_t maxSize; |
a8258824 | 214 | int highWaterMark; |
215 | int lowWaterMark; | |
216 | } Mem , Swap; | |
217 | struct { | |
218 | char *relayHost; | |
219 | u_short relayPort; | |
220 | } Wais; | |
221 | struct { | |
9906e724 | 222 | size_t min; |
a8258824 | 223 | int pct; |
9906e724 | 224 | size_t max; |
a8258824 | 225 | } quickAbort; |
226 | time_t referenceAge; | |
227 | time_t negativeTtl; | |
228 | time_t negativeDnsTtl; | |
229 | time_t positiveDnsTtl; | |
230 | time_t shutdownLifetime; | |
a8258824 | 231 | struct { |
232 | time_t read; | |
a8258824 | 233 | time_t lifetime; |
234 | time_t connect; | |
235 | time_t request; | |
603a02fd | 236 | time_t pconn; |
23d92c64 | 237 | time_t siteSelect; |
dc835977 | 238 | time_t deadPeer; |
98829f69 | 239 | int icp_query; /* msec */ |
240 | int mcast_icp_query; /* msec */ | |
a8258824 | 241 | } Timeout; |
9906e724 | 242 | size_t maxRequestSize; |
a8258824 | 243 | struct { |
244 | ushortlist *http; | |
245 | u_short icp; | |
ace287ee | 246 | #if USE_HTCP |
247 | u_short htcp; | |
248 | #endif | |
1df370e3 | 249 | #if SQUID_SNMP |
678c6099 | 250 | u_short snmp; |
1df370e3 | 251 | #endif |
a8258824 | 252 | } Port; |
1df370e3 | 253 | #if SQUID_SNMP |
2bbd722b | 254 | struct { |
255 | char *configFile; | |
256 | char *agentInfo; | |
257 | char *mibPath; | |
a97cfa48 | 258 | char *trap_community; |
259 | char *trap_sink; | |
2bbd722b | 260 | u_short localPort; |
261 | int do_queueing; | |
a97cfa48 | 262 | int conf_authtraps; |
5e14bf6d | 263 | wordlist *snmpconf; |
be335c22 | 264 | viewEntry *views; |
265 | usecEntry *users; | |
266 | communityEntry *communities; | |
2ac237e2 | 267 | } Snmp; |
1df370e3 | 268 | #endif |
53ad48e6 | 269 | char *as_whois_server; |
a8258824 | 270 | struct { |
271 | char *log; | |
272 | char *access; | |
273 | char *store; | |
274 | char *swap; | |
275 | char *useragent; | |
276 | int rotateNumber; | |
a8258824 | 277 | } Log; |
a8258824 | 278 | char *adminEmail; |
279 | char *effectiveUser; | |
280 | char *effectiveGroup; | |
281 | struct { | |
282 | char *dnsserver; | |
283 | char *redirect; | |
f703eacb | 284 | wordlist *authenticate; |
a8258824 | 285 | char *pinger; |
286 | char *unlinkd; | |
287 | } Program; | |
288 | int dnsChildren; | |
289 | int redirectChildren; | |
73e67ee0 | 290 | int authenticateChildren; |
a8258824 | 291 | struct { |
292 | char *host; | |
293 | u_short port; | |
a8258824 | 294 | } Accel; |
295 | char *appendDomain; | |
296 | size_t appendDomainLen; | |
297 | char *debugOptions; | |
298 | char *pidFilename; | |
299 | char *mimeTablePathname; | |
300 | char *visibleHostname; | |
98829f69 | 301 | char *uniqueHostname; |
a8258824 | 302 | char *errHtmlText; |
303 | struct { | |
304 | char *host; | |
305 | char *file; | |
306 | time_t period; | |
a8258824 | 307 | u_short port; |
308 | } Announce; | |
309 | struct { | |
310 | struct in_addr tcp_incoming; | |
311 | struct in_addr tcp_outgoing; | |
312 | struct in_addr udp_incoming; | |
2bbd722b | 313 | struct in_addr udp_outgoing; |
15dcc168 | 314 | #if SQUID_SNMP |
678c6099 | 315 | struct in_addr snmp_incoming; |
2bbd722b | 316 | struct in_addr snmp_outgoing; |
15dcc168 | 317 | #endif |
a8258824 | 318 | struct in_addr client_netmask; |
319 | } Addrs; | |
9906e724 | 320 | size_t tcpRcvBufsz; |
321 | size_t udpMaxHitObjsz; | |
a8258824 | 322 | wordlist *hierarchy_stoplist; |
323 | wordlist *mcast_group_list; | |
324 | wordlist *dns_testname_list; | |
09c483ec | 325 | wordlist *dns_nameservers; |
40a1495e | 326 | peer *peers; |
327 | int npeers; | |
a8258824 | 328 | struct { |
89de058c | 329 | int size; |
a8258824 | 330 | int low; |
331 | int high; | |
332 | } ipcache; | |
e55650e3 | 333 | struct { |
334 | int size; | |
335 | } fqdncache; | |
a8258824 | 336 | int minDirectHops; |
337 | cachemgr_passwd *passwd_list; | |
338 | struct { | |
339 | int objectsPerBucket; | |
9906e724 | 340 | size_t avgObjectSize; |
341 | size_t maxObjectSize; | |
a8258824 | 342 | } Store; |
343 | struct { | |
344 | int high; | |
345 | int low; | |
346 | time_t period; | |
347 | } Netdb; | |
348 | struct { | |
349 | int log_udp; | |
350 | int enable_purge; | |
351 | int res_defnames; | |
352 | int anonymizer; | |
353 | int client_db; | |
354 | int query_icmp; | |
88738790 | 355 | int icp_hit_stale; |
78f1250a | 356 | int buffered_logs; |
0ab965da | 357 | #if ALLOW_SOURCE_PING |
9b312a19 | 358 | int source_ping; |
0ab965da | 359 | #endif |
9b312a19 | 360 | int common_log; |
361 | int log_mime_hdrs; | |
362 | int ident_lookup; | |
17a0a4ee | 363 | int log_fqdn; |
364 | int announce; | |
365 | int accel_with_proxy; | |
3f6c0fb2 | 366 | int mem_pools; |
194dd3b8 | 367 | int test_reachability; |
ea285003 | 368 | int half_closed_clients; |
9f60cfdf | 369 | #if HTTP_VIOLATIONS |
465dc415 | 370 | int reload_into_ims; |
9f60cfdf | 371 | #endif |
17a0a4ee | 372 | } onoff; |
bd05e3e3 | 373 | acl *aclList; |
a8258824 | 374 | struct { |
bd05e3e3 | 375 | acl_access *http; |
376 | acl_access *icp; | |
377 | acl_access *miss; | |
378 | acl_access *NeverDirect; | |
379 | acl_access *AlwaysDirect; | |
380 | acl_access *ASlists; | |
381 | acl_access *noCache; | |
a8258824 | 382 | } accessList; |
bd05e3e3 | 383 | acl_deny_info_list *denyInfoList; |
f715bd3a | 384 | char *proxyAuthRealm; |
a8258824 | 385 | struct { |
386 | size_t list_width; | |
387 | int list_wrap; | |
a8258824 | 388 | char *anon_user; |
389 | } Ftp; | |
390 | refresh_t *Refresh; | |
391 | struct _cacheSwap { | |
a47b9029 | 392 | SwapDir *swapDirs; |
393 | int n_allocated; | |
394 | int n_configured; | |
a8258824 | 395 | } cacheSwap; |
88738790 | 396 | char *fake_ua; |
365cb147 | 397 | struct { |
398 | char *directory; | |
365cb147 | 399 | } icons; |
9b312a19 | 400 | char *errorDirectory; |
22c653cd | 401 | struct { |
402 | time_t timeout; | |
403 | int maxtries; | |
404 | } retry; | |
7021844c | 405 | struct { |
406 | size_t limit; | |
407 | } MemPools; | |
95e36d02 | 408 | #if DELAY_POOLS |
409 | struct { | |
410 | struct { | |
411 | struct _delay_spec aggregate; | |
412 | acl_access *access; | |
413 | } class1; | |
414 | struct { | |
415 | struct _delay_spec aggregate; | |
416 | struct _delay_spec individual; | |
417 | acl_access *access; | |
418 | } class2; | |
419 | struct { | |
420 | struct _delay_spec aggregate; | |
421 | struct _delay_spec individual; | |
422 | struct _delay_spec network; | |
423 | acl_access *access; | |
424 | } class3; | |
425 | } Delay; | |
426 | #endif | |
a8258824 | 427 | }; |
428 | ||
429 | struct _SquidConfig2 { | |
430 | struct { | |
431 | char *prefix; | |
432 | int on; | |
433 | } Accel; | |
434 | }; | |
435 | ||
436 | struct _close_handler { | |
437 | PF *handler; | |
438 | void *data; | |
439 | close_handler *next; | |
440 | }; | |
441 | ||
442 | struct _dread_ctrl { | |
443 | int fd; | |
444 | off_t offset; | |
445 | int req_len; | |
446 | char *buf; | |
447 | int end_of_file; | |
448 | DRCB *handler; | |
449 | void *client_data; | |
450 | }; | |
451 | ||
452 | struct _dnsserver_t { | |
453 | int id; | |
454 | int flags; | |
455 | int inpipe; | |
456 | int outpipe; | |
457 | time_t answer; | |
78f1250a | 458 | off_t offset; |
459 | size_t size; | |
e144eae4 | 460 | char ip_inbuf[DNS_INBUF_SZ]; |
a8258824 | 461 | struct timeval dispatch_time; |
462 | void *data; | |
463 | }; | |
464 | ||
465 | struct _dnsStatData { | |
466 | int requests; | |
467 | int replies; | |
468 | int hist[DefaultDnsChildrenMax]; | |
469 | }; | |
470 | ||
471 | struct _dwrite_q { | |
d377699f | 472 | off_t file_offset; |
a8258824 | 473 | char *buf; |
474 | int len; | |
d377699f | 475 | off_t buf_offset; |
bd05e3e3 | 476 | dwrite_q *next; |
74fbf3c9 | 477 | FREE *free_func; |
a8258824 | 478 | }; |
479 | ||
a9771e51 | 480 | |
481 | /* ETag support is rudimantal; | |
482 | * this struct is likely to change | |
483 | * Note: "str" points to memory in HttpHeaderEntry (for now) | |
484 | * so ETags should be used as tmp variables only (for now) */ | |
485 | struct _ETag { | |
98829f69 | 486 | const char *str; /* quoted-string */ |
487 | int weak; /* true if it is a weak validator */ | |
a9771e51 | 488 | }; |
489 | ||
a8258824 | 490 | struct _fde { |
491 | unsigned int type; | |
492 | unsigned int open; | |
493 | u_short local_port; | |
494 | u_short remote_port; | |
495 | char ipaddr[16]; /* dotted decimal address of peer */ | |
496 | char desc[FD_DESC_SZ]; | |
58a6c186 | 497 | struct { |
3d94aed0 | 498 | unsigned int close_request:1; |
499 | unsigned int write_daemon:1; | |
500 | unsigned int closing:1; | |
501 | unsigned int socket_eof:1; | |
502 | unsigned int nolinger:1; | |
503 | unsigned int nonblocking:1; | |
504 | unsigned int ipc:1; | |
9d66d521 | 505 | #ifdef OPTIMISTIC_IO |
3d94aed0 | 506 | unsigned int calling_io_handler:1; |
9d66d521 | 507 | #endif |
58a6c186 | 508 | } flags; |
a8258824 | 509 | int bytes_read; |
510 | int bytes_written; | |
b716a8ad | 511 | int uses; /* ie # req's over persistent conn */ |
a8258824 | 512 | struct _fde_disk { |
513 | DWCB *wrt_handle; | |
514 | void *wrt_handle_data; | |
515 | dwrite_q *write_q; | |
516 | dwrite_q *write_q_tail; | |
711982d8 | 517 | off_t offset; |
a8258824 | 518 | } disk; |
519 | PF *read_handler; | |
520 | void *read_data; | |
521 | PF *write_handler; | |
522 | void *write_data; | |
523 | PF *timeout_handler; | |
524 | time_t timeout; | |
525 | void *timeout_data; | |
cb69b4c7 | 526 | void *lifetime_data; |
a8258824 | 527 | close_handler *close_handler; /* linked list */ |
da2b3a17 | 528 | DEFER *defer_check; /* check if we should defer read */ |
70a9dab4 | 529 | void *defer_data; |
a8258824 | 530 | CommWriteStateData *rwstate; /* State data for comm_write */ |
531 | }; | |
532 | ||
533 | struct _fileMap { | |
534 | int max_n_files; | |
535 | int n_files_in_map; | |
a8258824 | 536 | int toggle; |
537 | int nwords; | |
538 | unsigned long *file_map; | |
539 | }; | |
540 | ||
1d21d91d | 541 | /* auto-growing memory-resident buffer with printf interface */ |
542 | /* note: when updating this struct, update MemBufNULL #define */ | |
543 | struct _MemBuf { | |
544 | /* public, read-only */ | |
545 | char *buf; | |
546 | mb_size_t size; /* used space, does not count 0-terminator */ | |
547 | ||
548 | /* private, stay away; use interface function instead */ | |
549 | mb_size_t max_capacity; /* when grows: assert(new_capacity <= max_capacity) */ | |
550 | mb_size_t capacity; /* allocated space */ | |
551 | FREE *freefunc; /* what to use to free the buffer, NULL after memBufFreeFunc() is called */ | |
552 | }; | |
553 | ||
554 | /* see Packer.c for description */ | |
555 | struct _Packer { | |
556 | /* protected, use interface functions instead */ | |
557 | append_f append; | |
558 | vprintf_f vprintf; | |
559 | void *real_handler; /* first parameter to real append and vprintf */ | |
560 | }; | |
561 | ||
adba4a64 | 562 | /* http status line */ |
563 | struct _HttpStatusLine { | |
564 | /* public, read only */ | |
99edd1c3 | 565 | float version; |
2ac76861 | 566 | const char *reason; /* points to a _constant_ string (default or supplied), never free()d */ |
adba4a64 | 567 | http_status status; |
568 | }; | |
569 | ||
570 | /* | |
1d21d91d | 571 | * Note: HttpBody is used only for messages with a small content that is |
adba4a64 | 572 | * known a priory (e.g., error messages). |
573 | */ | |
574 | struct _HttpBody { | |
1d21d91d | 575 | /* private */ |
576 | MemBuf mb; | |
adba4a64 | 577 | }; |
578 | ||
2ecaa5e7 | 579 | /* http header extention field */ |
580 | struct _HttpHdrExtField { | |
a369131d | 581 | String name; /* field-name from HTTP/1.1 (no column after name) */ |
582 | String value; /* field-value from HTTP/1.1 */ | |
2ecaa5e7 | 583 | }; |
adba4a64 | 584 | |
399e85ea | 585 | /* http cache control header field */ |
7faf2bdb | 586 | struct _HttpHdrCc { |
4f087419 | 587 | int mask; |
d8b249ef | 588 | int max_age; |
a8258824 | 589 | }; |
ee1679df | 590 | |
b5107edb | 591 | /* http byte-range-spec */ |
592 | struct _HttpHdrRangeSpec { | |
593 | size_t offset; | |
594 | size_t length; | |
595 | }; | |
596 | ||
597 | /* There may be more than one byte range specified in the request. | |
59c4d35b | 598 | * This object holds all range specs in order of their appearence |
599 | * in the request because we SHOULD preserve that order. | |
600 | */ | |
b5107edb | 601 | struct _HttpHdrRange { |
602 | Stack specs; | |
603 | }; | |
7faf2bdb | 604 | |
d76fcfa7 | 605 | /* http content-range header field */ |
606 | struct _HttpHdrContRange { | |
607 | HttpHdrRangeSpec spec; | |
a369131d | 608 | size_t elength; /* entity length, not content length */ |
d76fcfa7 | 609 | }; |
610 | ||
a9771e51 | 611 | /* some fields can hold either time or etag specs (e.g. If-Range) */ |
612 | struct _TimeOrTag { | |
98829f69 | 613 | ETag tag; /* entity tag */ |
a9771e51 | 614 | time_t time; |
98829f69 | 615 | int valid; /* true if struct is usable */ |
a9771e51 | 616 | }; |
617 | ||
d192d11f | 618 | /* data for iterating thru range specs */ |
98829f69 | 619 | struct _HttpHdrRangeIter { |
d192d11f | 620 | HttpHdrRangePos pos; |
98829f69 | 621 | const HttpHdrRangeSpec *spec; /* current spec at pos */ |
622 | size_t debt_size; /* bytes left to send from the current spec */ | |
623 | size_t prefix_size; /* the size of the incoming HTTP msg prefix */ | |
624 | String boundary; /* boundary for multipart responses */ | |
d192d11f | 625 | }; |
d76fcfa7 | 626 | |
fcd2d3ef | 627 | /* constant attributes of http header fields */ |
628 | struct _HttpHeaderFieldAttrs { | |
629 | const char *name; | |
630 | http_hdr_type id; | |
631 | field_type type; | |
632 | }; | |
633 | ||
7faf2bdb | 634 | /* per field statistics */ |
635 | struct _HttpHeaderFieldStat { | |
399e85ea | 636 | int aliveCount; /* created but not destroyed (count) */ |
d8b249ef | 637 | int seenCount; /* #fields we've seen */ |
399e85ea | 638 | int parsCount; /* #parsing attempts */ |
639 | int errCount; /* #pasring errors */ | |
640 | int repCount; /* #repetitons */ | |
7faf2bdb | 641 | }; |
642 | ||
d8b249ef | 643 | /* compiled version of HttpHeaderFieldAttrs plus stats */ |
de336bbe | 644 | struct _HttpHeaderFieldInfo { |
645 | http_hdr_type id; | |
646 | String name; | |
647 | field_type type; | |
7faf2bdb | 648 | HttpHeaderFieldStat stat; |
649 | }; | |
650 | ||
d8b249ef | 651 | struct _HttpHeaderEntry { |
652 | http_hdr_type id; | |
653 | String name; | |
654 | String value; | |
655 | }; | |
4f087419 | 656 | |
d8b249ef | 657 | struct _HttpHeader { |
4f087419 | 658 | /* protected, do not use these, use interface functions instead */ |
ec878047 | 659 | Array entries; /* parsed fields in raw format */ |
660 | HttpHeaderMask mask; /* bit set <=> entry present */ | |
eeb423fb | 661 | http_hdr_owner_type owner; /* request or reply */ |
662 | int len; /* length when packed, not counting terminating '\0' */ | |
4f087419 | 663 | }; |
664 | ||
adba4a64 | 665 | struct _HttpReply { |
666 | /* unsupported, writable, may disappear/change in the future */ | |
2ac76861 | 667 | int hdr_sz; /* sums _stored_ status-line, headers, and <CRLF> */ |
adba4a64 | 668 | |
d8b249ef | 669 | /* public, readable; never update these or their .hdr equivalents directly */ |
670 | int content_length; | |
671 | time_t date; | |
672 | time_t last_modified; | |
673 | time_t expires; | |
ec878047 | 674 | String content_type; |
d8b249ef | 675 | HttpHdrCc *cache_control; |
676 | HttpHdrContRange *content_range; | |
9f5a2895 | 677 | short int keep_alive; |
d8b249ef | 678 | |
adba4a64 | 679 | /* public, readable */ |
2ac76861 | 680 | HttpMsgParseState pstate; /* the current parsing state */ |
4f087419 | 681 | |
de336bbe | 682 | /* public, writable, but use httpReply* interfaces when possible */ |
adba4a64 | 683 | HttpStatusLine sline; |
d8b249ef | 684 | HttpHeader header; |
685 | HttpBody body; /* for small constant memory-resident text bodies only */ | |
adba4a64 | 686 | }; |
cb69b4c7 | 687 | |
a8258824 | 688 | |
689 | struct _HttpStateData { | |
690 | StoreEntry *entry; | |
691 | request_t *request; | |
692 | char *reply_hdr; | |
693 | int reply_hdr_state; | |
1294c0fc | 694 | peer *peer; /* peer request made to */ |
a8258824 | 695 | int eof; /* reached end-of-object? */ |
696 | request_t *orig_request; | |
1294c0fc | 697 | int fd; |
603a02fd | 698 | int flags; |
910169e5 | 699 | FwdState *fwdState; |
a8258824 | 700 | }; |
701 | ||
702 | struct _icpUdpData { | |
703 | struct sockaddr_in address; | |
704 | void *msg; | |
705 | size_t len; | |
706 | icpUdpData *next; | |
707 | #ifndef LESS_TIMING | |
708 | struct timeval start; | |
709 | #endif | |
710 | log_type logcode; | |
17b6e784 | 711 | struct timeval queue_time; |
a8258824 | 712 | }; |
713 | ||
b4e7f82d | 714 | struct _ping_data { |
a8258824 | 715 | struct timeval start; |
716 | struct timeval stop; | |
717 | int n_sent; | |
718 | int n_recv; | |
719 | int n_replies_expected; | |
98829f69 | 720 | int timeout; /* msec */ |
465dc415 | 721 | int timedout; |
a8258824 | 722 | int w_rtt; |
b3264694 | 723 | int p_rtt; |
a8258824 | 724 | }; |
725 | ||
726 | struct _HierarchyLogEntry { | |
727 | hier_code code; | |
728 | char host[SQUIDHOSTNAMELEN]; | |
b4e7f82d | 729 | ping_data ping; |
4b4cd312 | 730 | char cd_host[SQUIDHOSTNAMELEN]; /* the host of selected by cd peer */ |
731 | peer_select_alg_t alg; /* peer selection algorithm */ | |
732 | lookup_t cd_lookup; /* cd prediction: none, miss, hit */ | |
733 | int n_choices; /* #peers we selected from (cd only) */ | |
734 | int n_ichoices; /* #peers with known rtt we selected from (cd only) */ | |
39edba21 | 735 | struct timeval peer_select_start; |
736 | struct timeval store_complete_stop; | |
a8258824 | 737 | }; |
738 | ||
739 | struct _AccessLogEntry { | |
740 | const char *url; | |
741 | struct { | |
742 | method_t method; | |
743 | int code; | |
744 | const char *content_type; | |
745 | } http; | |
746 | struct { | |
747 | icp_opcode opcode; | |
748 | } icp; | |
749 | struct { | |
750 | struct in_addr caddr; | |
751 | size_t size; | |
752 | log_type code; | |
753 | int msec; | |
754 | const char *ident; | |
755 | } cache; | |
a8258824 | 756 | struct { |
757 | char *request; | |
758 | char *reply; | |
759 | } headers; | |
760 | struct { | |
761 | const char *method_str; | |
762 | } private; | |
bd05e3e3 | 763 | HierarchyLogEntry hier; |
a8258824 | 764 | }; |
765 | ||
766 | struct _clientHttpRequest { | |
767 | ConnStateData *conn; | |
768 | request_t *request; /* Parsed URL ... */ | |
23d92c64 | 769 | char *uri; |
770 | char *log_uri; | |
a8258824 | 771 | struct { |
772 | char *buf; | |
78f1250a | 773 | off_t offset; |
774 | size_t size; | |
a8258824 | 775 | } out; |
98829f69 | 776 | HttpHdrRangeIter range_iter; /* data for iterating thru range specs */ |
777 | size_t req_sz; /* raw request size on input, not current request size */ | |
a8258824 | 778 | StoreEntry *entry; |
779 | StoreEntry *old_entry; | |
780 | log_type log_type; | |
6cfa8966 | 781 | #if USE_CACHE_DIGESTS |
04f0c415 | 782 | const char *lookup_type; /* temporary hack: storeGet() result: HIT/MISS/NONE */ |
783 | #endif | |
9b312a19 | 784 | http_status http_code; |
a8258824 | 785 | struct timeval start; |
786 | float http_ver; | |
787 | int redirect_state; | |
788 | aclCheck_t *acl_checklist; /* need ptr back so we can unreg if needed */ | |
789 | clientHttpRequest *next; | |
bd05e3e3 | 790 | AccessLogEntry al; |
77ed547a | 791 | struct { |
3d94aed0 | 792 | unsigned int accel:1; |
793 | unsigned int internal:1; | |
794 | unsigned int done_copying:1; | |
77ed547a | 795 | } flags; |
a8258824 | 796 | }; |
797 | ||
798 | struct _ConnStateData { | |
799 | int fd; | |
800 | struct { | |
801 | char *buf; | |
78f1250a | 802 | off_t offset; |
803 | size_t size; | |
a8258824 | 804 | } in; |
805 | clientHttpRequest *chr; | |
806 | struct sockaddr_in peer; | |
807 | struct sockaddr_in me; | |
808 | struct in_addr log_addr; | |
809 | struct { | |
810 | int fd; | |
def67559 | 811 | char ident[USER_IDENT_SZ]; |
a8258824 | 812 | IDCB *callback; |
813 | int state; | |
425ad52e | 814 | void *callback_data; |
a8258824 | 815 | } ident; |
816 | CommWriteStateData *commWriteState; | |
817 | int nrequests; | |
818 | int persistent; | |
da2b3a17 | 819 | struct { |
820 | int n; | |
821 | time_t until; | |
822 | } defer; | |
a8258824 | 823 | }; |
824 | ||
2ac237e2 | 825 | struct _dlink_node { |
826 | void *data; | |
827 | dlink_node *prev; | |
828 | dlink_node *next; | |
829 | }; | |
830 | ||
831 | struct _dlink_list { | |
832 | dlink_node *head; | |
833 | dlink_node *tail; | |
834 | }; | |
835 | ||
a8258824 | 836 | struct _ipcache_addrs { |
6d1c0d53 | 837 | struct in_addr *in_addrs; |
838 | unsigned char *bad_mask; | |
a8258824 | 839 | unsigned char count; |
840 | unsigned char cur; | |
22c653cd | 841 | unsigned char badcount; |
a8258824 | 842 | }; |
843 | ||
59c4d35b | 844 | struct _ip_pending { |
845 | IPH *handler; | |
846 | void *handlerData; | |
847 | ip_pending *next; | |
848 | }; | |
849 | ||
a8258824 | 850 | struct _ipcache_entry { |
ec878047 | 851 | /* first two items must be equivalent to hash_link */ |
a8258824 | 852 | char *name; |
bd05e3e3 | 853 | ipcache_entry *next; |
a8258824 | 854 | time_t lastref; |
855 | time_t expires; | |
856 | ipcache_addrs addrs; | |
59c4d35b | 857 | ip_pending *pending_head; |
a8258824 | 858 | char *error_message; |
b87b92fb | 859 | struct timeval request_time; |
2ac237e2 | 860 | dlink_node lru; |
861 | u_char locks; | |
a8258824 | 862 | ipcache_status_t status:3; |
863 | }; | |
864 | ||
59c4d35b | 865 | struct _fqdn_pending { |
866 | FQDNH *handler; | |
867 | void *handlerData; | |
868 | fqdn_pending *next; | |
869 | }; | |
870 | ||
1df370e3 | 871 | struct _fqdncache_entry { |
ec878047 | 872 | /* first two items must be equivalent to hash_link */ |
1df370e3 | 873 | char *name; |
bd05e3e3 | 874 | fqdncache_entry *next; |
1df370e3 | 875 | time_t lastref; |
876 | time_t expires; | |
877 | unsigned char name_count; | |
878 | char *names[FQDN_MAX_NAMES + 1]; | |
59c4d35b | 879 | fqdn_pending *pending_head; |
1df370e3 | 880 | char *error_message; |
881 | dlink_node lru; | |
882 | unsigned char locks; | |
883 | fqdncache_status_t status:3; | |
884 | }; | |
885 | ||
a8258824 | 886 | struct _domain_ping { |
887 | char *domain; | |
888 | int do_ping; /* boolean */ | |
bd05e3e3 | 889 | domain_ping *next; |
a8258824 | 890 | }; |
891 | ||
892 | struct _domain_type { | |
893 | char *domain; | |
894 | peer_t type; | |
bd05e3e3 | 895 | domain_type *next; |
a8258824 | 896 | }; |
897 | ||
e41e6dcd | 898 | struct _Version { |
4b4cd312 | 899 | short int current; /* current version */ |
900 | short int required; /* minimal version that can safely handle current version */ | |
e41e6dcd | 901 | }; |
902 | ||
903 | /* digest control block; used for transmission and storage */ | |
904 | struct _StoreDigestCBlock { | |
905 | Version ver; | |
906 | int capacity; | |
907 | int count; | |
908 | int del_count; | |
909 | int mask_size; | |
04f0c415 | 910 | unsigned char bits_per_entry; |
911 | unsigned char hash_func_count; | |
912 | short int reserved_short; | |
4b4cd312 | 913 | int reserved[32 - 6]; |
e41e6dcd | 914 | }; |
915 | ||
916 | struct _DigestFetchState { | |
917 | peer *peer; | |
918 | StoreEntry *entry; | |
919 | StoreEntry *old_entry; | |
920 | int offset; | |
921 | int mask_offset; | |
922 | time_t start_time; | |
903c39e4 | 923 | request_t *request; |
e41e6dcd | 924 | }; |
925 | ||
926 | /* statistics for cache digests and other hit "predictors" */ | |
927 | struct _cd_guess_stats { | |
928 | /* public, read-only */ | |
929 | int true_hits; | |
930 | int false_hits; | |
931 | int true_misses; | |
932 | int false_misses; | |
4b4cd312 | 933 | int close_hits; /* tmp, remove it later */ |
e41e6dcd | 934 | }; |
935 | ||
936 | struct _PeerDigest { | |
937 | CacheDigest *cd; | |
4b4cd312 | 938 | int flags; /* PD_ */ |
e41e6dcd | 939 | time_t last_fetch_resp_time; |
940 | time_t last_req_timestamp; | |
4b4cd312 | 941 | time_t last_dis_delay; /* last disability delay */ |
e41e6dcd | 942 | struct { |
943 | cd_guess_stats guess; | |
944 | int used_count; | |
ddc0f170 | 945 | int msgs_sent; |
946 | int msgs_recv; | |
947 | kb_t kbytes_sent; | |
948 | kb_t kbytes_recv; | |
e41e6dcd | 949 | } stats; |
950 | }; | |
951 | ||
a8258824 | 952 | struct _peer { |
953 | char *host; | |
954 | peer_t type; | |
955 | struct sockaddr_in in_addr; | |
956 | struct { | |
957 | int pings_sent; | |
958 | int pings_acked; | |
a8258824 | 959 | int fetches; |
960 | int rtt; | |
a8258824 | 961 | int ignored_replies; |
1294c0fc | 962 | int n_keepalives_sent; |
963 | int n_keepalives_recv; | |
dc835977 | 964 | time_t last_query; |
965 | time_t last_reply; | |
966 | int logged_state; /* so we can print dead/revived msgs */ | |
a8258824 | 967 | } stats; |
399cabec | 968 | struct { |
969 | int version; | |
970 | int counts[ICP_END]; | |
971 | u_short port; | |
972 | } icp; | |
973 | #if USE_HTCP | |
974 | struct { | |
975 | double version; | |
976 | int counts[2]; | |
977 | u_short port; | |
978 | } htcp; | |
979 | #endif | |
a8258824 | 980 | u_short http_port; |
bd05e3e3 | 981 | domain_ping *pinglist; |
982 | domain_type *typelist; | |
505e35db | 983 | acl_access *access; |
a8258824 | 984 | int options; |
985 | int weight; | |
986 | struct { | |
987 | double avg_n_members; | |
988 | int n_times_counted; | |
989 | int n_replies_expected; | |
990 | int ttl; | |
9fb13bb6 | 991 | u_num32 reqnum; |
a8258824 | 992 | int flags; |
993 | } mcast; | |
e41e6dcd | 994 | PeerDigest digest; |
a8258824 | 995 | int tcp_up; /* 0 if a connect() fails */ |
996 | time_t last_fail_time; | |
997 | struct in_addr addresses[10]; | |
998 | int n_addresses; | |
999 | int rr_count; | |
bd05e3e3 | 1000 | peer *next; |
a8258824 | 1001 | int test_fd; |
afd88fbe | 1002 | #if USE_CARP |
1003 | struct { | |
1004 | unsigned long hash; | |
1005 | unsigned long load_multiplier; | |
1006 | float load_factor; | |
1007 | } carp; | |
1008 | #endif | |
a8258824 | 1009 | }; |
1010 | ||
1011 | struct _net_db_name { | |
1012 | char *name; | |
74fbf3c9 | 1013 | net_db_name *htbl_next; |
1014 | net_db_name *next; | |
1015 | netdbEntry *net_db_entry; | |
a8258824 | 1016 | }; |
1017 | ||
1018 | struct _net_db_peer { | |
1019 | char *peername; | |
1020 | double hops; | |
1021 | double rtt; | |
1022 | time_t expires; | |
1023 | }; | |
1024 | ||
1025 | struct _netdbEntry { | |
ec878047 | 1026 | /* first two items must be equivalent to hash_link */ |
a8258824 | 1027 | char *key; |
74fbf3c9 | 1028 | netdbEntry *next; |
a8258824 | 1029 | char network[16]; |
1030 | int pings_sent; | |
1031 | int pings_recv; | |
1032 | double hops; | |
1033 | double rtt; | |
1034 | time_t next_ping_time; | |
1035 | time_t last_use_time; | |
1036 | int link_count; | |
1037 | net_db_name *hosts; | |
1038 | net_db_peer *peers; | |
1039 | int n_peers_alloc; | |
1040 | int n_peers; | |
1041 | }; | |
1042 | ||
1043 | struct _ps_state { | |
1044 | request_t *request; | |
1045 | StoreEntry *entry; | |
1046 | int always_direct; | |
1047 | int never_direct; | |
1048 | PSC *callback; | |
1049 | PSC *fail_callback; | |
1050 | void *callback_data; | |
85223cd7 | 1051 | /* |
1052 | * Why are these struct sockaddr_in instead of peer *? Because a | |
1053 | * peer structure can become invalid during the peer selection | |
1054 | * phase, specifically after a reconfigure. Thus we need to lookup | |
1055 | * the peer * based on the address when we are finally ready to | |
1056 | * reference the peer structure. | |
1057 | */ | |
1058 | struct sockaddr_in first_parent_miss; | |
1059 | struct sockaddr_in closest_parent_miss; | |
1060 | struct sockaddr_in single_parent; | |
b4e7f82d | 1061 | ping_data ping; |
a8258824 | 1062 | aclCheck_t *acl_checklist; |
1063 | }; | |
1064 | ||
1065 | struct _pingerEchoData { | |
1066 | struct in_addr to; | |
1067 | unsigned char opcode; | |
1068 | int psize; | |
65ae9f56 | 1069 | char payload[PINGER_PAYLOAD_SZ]; |
a8258824 | 1070 | }; |
1071 | ||
1072 | struct _pingerReplyData { | |
1073 | struct in_addr from; | |
1074 | unsigned char opcode; | |
1075 | int rtt; | |
1076 | int hops; | |
1077 | int psize; | |
65ae9f56 | 1078 | char payload[PINGER_PAYLOAD_SZ]; |
a8258824 | 1079 | }; |
1080 | ||
1081 | struct _icp_common_t { | |
1082 | unsigned char opcode; /* opcode */ | |
1083 | unsigned char version; /* version number */ | |
1084 | unsigned short length; /* total length (bytes) */ | |
1085 | u_num32 reqnum; /* req number (req'd for UDP) */ | |
1086 | u_num32 flags; | |
1087 | u_num32 pad; | |
a8258824 | 1088 | u_num32 shostid; /* sender host id */ |
1089 | }; | |
1090 | ||
a8258824 | 1091 | struct _iostats { |
1092 | struct { | |
1093 | int reads; | |
1094 | int reads_deferred; | |
1095 | int read_hist[16]; | |
1096 | int writes; | |
1097 | int write_hist[16]; | |
1098 | } Http, Ftp, Gopher, Wais; | |
1099 | }; | |
1100 | ||
1101 | struct _mem_node { | |
1102 | char *data; | |
1103 | int len; | |
1104 | mem_node *next; | |
1105 | }; | |
1106 | ||
1107 | struct _mem_hdr { | |
1108 | mem_node *head; | |
1109 | mem_node *tail; | |
1110 | int origin_offset; | |
1111 | }; | |
1112 | ||
a8258824 | 1113 | /* keep track each client receiving data from that particular StoreEntry */ |
1114 | struct _store_client { | |
43329771 | 1115 | int type; |
a8258824 | 1116 | off_t copy_offset; |
1117 | off_t seen_offset; | |
1118 | size_t copy_size; | |
1119 | char *copy_buf; | |
1120 | STCB *callback; | |
1121 | void *callback_data; | |
07304bf9 | 1122 | StoreEntry *entry; /* ptr to the parent StoreEntry, argh! */ |
79d39a72 | 1123 | int swapin_fd; |
f115fadd | 1124 | struct { |
3d94aed0 | 1125 | unsigned int disk_io_pending:1; |
1126 | unsigned int store_copying:1; | |
1127 | unsigned int copy_event_pending:1; | |
f115fadd | 1128 | } flags; |
bd05e3e3 | 1129 | store_client *next; |
447e176b | 1130 | #if DELAY_POOLS |
1131 | delay_id delay_id; | |
1132 | #endif | |
a8258824 | 1133 | }; |
1134 | ||
1a3db59c | 1135 | |
a8258824 | 1136 | /* This structure can be freed while object is purged out from memory */ |
1137 | struct _MemObject { | |
2ac237e2 | 1138 | method_t method; |
9fb13bb6 | 1139 | char *url; |
18fe65d0 | 1140 | mem_hdr data_hdr; |
8350fe9b | 1141 | off_t inmem_hi; |
1142 | off_t inmem_lo; | |
bd05e3e3 | 1143 | store_client *clients; |
a8258824 | 1144 | int nclients; |
8350fe9b | 1145 | struct { |
e3ef2b09 | 1146 | off_t queue_offset; /* relative to in-mem data */ |
1147 | off_t done_offset; /* relative to swap file with meta headers! */ | |
8350fe9b | 1148 | int fd; |
25354045 | 1149 | void *ctrl; |
8350fe9b | 1150 | } swapout; |
cb69b4c7 | 1151 | HttpReply *reply; |
a8258824 | 1152 | request_t *request; |
1153 | struct timeval start_ping; | |
b4e7f82d | 1154 | IRCB *ping_reply_callback; |
a8258824 | 1155 | void *ircb_data; |
1156 | int fd; /* FD of client creating this entry */ | |
1157 | struct { | |
1158 | STABH *callback; | |
1159 | void *data; | |
1160 | } abort; | |
88738790 | 1161 | char *log_url; |
b93bcace | 1162 | dlink_node lru; |
9fb13bb6 | 1163 | u_num32 reqnum; |
07304bf9 | 1164 | ssize_t object_sz; |
e3ef2b09 | 1165 | size_t swap_hdr_sz; |
a8258824 | 1166 | }; |
1167 | ||
a8258824 | 1168 | struct _StoreEntry { |
ec878047 | 1169 | /* first two items must be same as hash_link */ |
9fb13bb6 | 1170 | const cache_key *key; |
bd05e3e3 | 1171 | StoreEntry *next; |
a8258824 | 1172 | MemObject *mem_obj; |
a8258824 | 1173 | time_t timestamp; |
1174 | time_t lastref; | |
1175 | time_t expires; | |
1176 | time_t lastmod; | |
07304bf9 | 1177 | size_t swap_file_sz; |
a21fbb54 | 1178 | u_short refcount; |
1179 | u_short flag; | |
a8258824 | 1180 | int swap_file_number; |
b93bcace | 1181 | dlink_node lru; |
a3cb7458 | 1182 | u_short lock_count; /* Assume < 65536! */ |
a8258824 | 1183 | mem_status_t mem_status:3; |
1184 | ping_status_t ping_status:3; | |
1185 | store_status_t store_status:3; | |
1186 | swap_status_t swap_status:3; | |
a8258824 | 1187 | }; |
1188 | ||
1189 | struct _SwapDir { | |
1190 | char *path; | |
1191 | int l1; | |
1192 | int l2; | |
1193 | int cur_size; | |
1194 | int max_size; | |
1195 | int read_only; | |
1196 | int suggest; | |
1197 | fileMap *map; | |
1198 | int swaplog_fd; | |
1199 | }; | |
1200 | ||
92695e5e | 1201 | struct _request_flags { |
3d94aed0 | 1202 | unsigned int range:1; |
1203 | unsigned int nocache:1; | |
1204 | unsigned int ims:1; | |
1205 | unsigned int auth:1; | |
1206 | unsigned int cachable:1; | |
1207 | unsigned int hierarchical:1; | |
1208 | unsigned int loopdetect:1; | |
1209 | unsigned int proxy_keepalive:1; | |
1210 | unsigned int proxying:1; | |
1211 | unsigned int refresh:1; | |
1212 | unsigned int used_proxy_auth:1; | |
1213 | unsigned int redirected:1; | |
9f60cfdf | 1214 | #if HTTP_VIOLATIONS |
3d94aed0 | 1215 | unsigned int nocache_hack:1; /* for changing/ignoring no-cache requests */ |
9f60cfdf | 1216 | #endif |
92695e5e | 1217 | }; |
1218 | ||
a8258824 | 1219 | struct _request_t { |
1220 | method_t method; | |
1221 | protocol_t protocol; | |
1222 | char login[MAX_LOGIN_SZ]; | |
1223 | char host[SQUIDHOSTNAMELEN + 1]; | |
def67559 | 1224 | char user_ident[USER_IDENT_SZ]; /* from proxy auth or ident server */ |
a8258824 | 1225 | u_short port; |
02922e76 | 1226 | String urlpath; |
e4a45101 | 1227 | char *canonical; |
a8258824 | 1228 | int link_count; /* free when zero */ |
92695e5e | 1229 | request_flags flags; |
8e092300 | 1230 | HttpHdrCc *cache_control; |
d192d11f | 1231 | HttpHdrRange *range; |
a8258824 | 1232 | time_t max_age; |
1233 | float http_ver; | |
1234 | time_t ims; | |
1235 | int imslen; | |
1236 | int max_forwards; | |
1237 | struct in_addr client_addr; | |
99edd1c3 | 1238 | HttpHeader header; |
a8258824 | 1239 | char *body; |
1240 | size_t body_sz; | |
bd05e3e3 | 1241 | HierarchyLogEntry hier; |
88aad2e5 | 1242 | err_type err_type; |
95e36d02 | 1243 | #if DELAY_POOLS |
447e176b | 1244 | delay_id delay_id; |
95e36d02 | 1245 | #endif |
a8258824 | 1246 | }; |
1247 | ||
1248 | struct _cachemgr_passwd { | |
1249 | char *passwd; | |
22f3fd98 | 1250 | wordlist *actions; |
bd05e3e3 | 1251 | cachemgr_passwd *next; |
a8258824 | 1252 | }; |
1253 | ||
1254 | struct _refresh_t { | |
1255 | char *pattern; | |
1256 | regex_t compiled_pattern; | |
1257 | time_t min; | |
c3f6d204 | 1258 | double pct; |
a8258824 | 1259 | time_t max; |
bd05e3e3 | 1260 | refresh_t *next; |
c3f6d204 | 1261 | struct { |
1dfa1d81 | 1262 | unsigned int icase:1; |
9f60cfdf | 1263 | #if HTTP_VIOLATIONS |
1dfa1d81 | 1264 | unsigned int override_expire:1; |
1265 | unsigned int override_lastmod:1; | |
cbe3a719 | 1266 | unsigned int reload_into_ims:1; |
1267 | unsigned int ignore_reload:1; | |
9f60cfdf | 1268 | #endif |
c3f6d204 | 1269 | } flags; |
a8258824 | 1270 | }; |
1271 | ||
1272 | struct _CommWriteStateData { | |
1273 | char *buf; | |
1274 | size_t size; | |
1275 | off_t offset; | |
1276 | CWCB *handler; | |
1277 | void *handler_data; | |
74fbf3c9 | 1278 | FREE *free_func; |
a8258824 | 1279 | }; |
9b312a19 | 1280 | |
1281 | struct _ErrorState { | |
1282 | err_type type; | |
02922e76 | 1283 | int page_id; |
9b312a19 | 1284 | http_status http_status; |
1285 | request_t *request; | |
1286 | char *url; | |
c45ed9ad | 1287 | int xerrno; |
9b312a19 | 1288 | char *host; |
1289 | u_short port; | |
1290 | char *dnsserver_msg; | |
1291 | time_t ttl; | |
1292 | struct in_addr src_addr; | |
1293 | char *redirect_url; | |
1294 | ERCB *callback; | |
1295 | void *callback_data; | |
bb0929d8 | 1296 | int flags; |
b9916917 | 1297 | struct { |
1298 | char *request; | |
1299 | char *reply; | |
1300 | } ftp; | |
e144eae4 | 1301 | char *request_hdrs; |
7131112f | 1302 | wordlist *ftp_server_msg; |
9b312a19 | 1303 | }; |
f2908497 | 1304 | |
12cf1be2 | 1305 | /* |
1306 | * "very generic" histogram; | |
1307 | * see important comments on hbase_f restrictions in StatHist.c | |
1308 | */ | |
1309 | struct _StatHist { | |
1310 | int *bins; | |
1311 | int capacity; | |
e9a13293 | 1312 | double min; |
1313 | double max; | |
1314 | double scale; | |
2ac76861 | 1315 | hbase_f val_in; /* e.g., log() for log-based histogram */ |
1316 | hbase_f val_out; /* e.g., exp() for log based histogram */ | |
7ae52c25 | 1317 | }; |
1318 | ||
12cf1be2 | 1319 | /* |
1320 | * if you add a field to StatCounters, | |
1d803566 | 1321 | * you MUST sync statCountersInitSpecial, statCountersClean, and statCountersCopy |
12cf1be2 | 1322 | */ |
f2908497 | 1323 | struct _StatCounters { |
1324 | struct { | |
98829f69 | 1325 | int clients; |
f2908497 | 1326 | int requests; |
1327 | int hits; | |
1328 | int errors; | |
a7c05555 | 1329 | kb_t kbytes_in; |
1330 | kb_t kbytes_out; | |
1331 | kb_t hit_kbytes_out; | |
12cf1be2 | 1332 | StatHist miss_svc_time; |
1333 | StatHist nm_svc_time; | |
7c9c84ad | 1334 | StatHist nh_svc_time; |
12cf1be2 | 1335 | StatHist hit_svc_time; |
1336 | StatHist all_svc_time; | |
f2908497 | 1337 | } client_http; |
7ae52c25 | 1338 | struct { |
a0f32775 | 1339 | struct { |
1340 | int requests; | |
1341 | int errors; | |
1342 | kb_t kbytes_in; | |
1343 | kb_t kbytes_out; | |
399e85ea | 1344 | } all , http, ftp, other; |
7ae52c25 | 1345 | } server; |
f2908497 | 1346 | struct { |
1347 | int pkts_sent; | |
071a3ae7 | 1348 | int queries_sent; |
1349 | int replies_sent; | |
f2908497 | 1350 | int pkts_recv; |
071a3ae7 | 1351 | int queries_recv; |
1352 | int replies_recv; | |
a7c05555 | 1353 | int hits_sent; |
1354 | int hits_recv; | |
8064065e | 1355 | int replies_queued; |
17b6e784 | 1356 | int replies_dropped; |
a7c05555 | 1357 | kb_t kbytes_sent; |
071a3ae7 | 1358 | kb_t q_kbytes_sent; |
1359 | kb_t r_kbytes_sent; | |
a7c05555 | 1360 | kb_t kbytes_recv; |
071a3ae7 | 1361 | kb_t q_kbytes_recv; |
1362 | kb_t r_kbytes_recv; | |
12cf1be2 | 1363 | StatHist query_svc_time; |
1364 | StatHist reply_svc_time; | |
4b4cd312 | 1365 | int query_timeouts; |
c127134a | 1366 | int times_used; |
f2908497 | 1367 | } icp; |
1368 | struct { | |
1369 | int requests; | |
1370 | } unlink; | |
9973e9fe | 1371 | struct { |
12cf1be2 | 1372 | StatHist svc_time; |
9973e9fe | 1373 | } dns; |
c127134a | 1374 | struct { |
1375 | int times_used; | |
26b164ac | 1376 | kb_t kbytes_sent; |
1377 | kb_t kbytes_recv; | |
c127134a | 1378 | kb_t memory; |
00485c29 | 1379 | int msgs_sent; |
1380 | int msgs_recv; | |
4b4cd312 | 1381 | cd_guess_stats guess; |
69c95dd3 | 1382 | StatHist on_xition_count; |
c127134a | 1383 | } cd; |
69c95dd3 | 1384 | struct { |
1385 | int times_used; | |
1386 | } netdb; | |
f2908497 | 1387 | int page_faults; |
1388 | int select_loops; | |
1389 | double cputime; | |
d5649d9f | 1390 | struct timeval timestamp; |
c6ecdbc3 | 1391 | StatHist comm_icp_incoming; |
1392 | StatHist comm_http_incoming; | |
f2908497 | 1393 | }; |
69c01cd7 | 1394 | |
fcd2d3ef | 1395 | /* per header statistics */ |
1396 | struct _HttpHeaderStat { | |
1397 | const char *label; | |
1398 | HttpHeaderMask *owner_mask; | |
1399 | ||
1400 | StatHist hdrUCountDistr; | |
1401 | StatHist fieldTypeDistr; | |
1402 | StatHist ccTypeDistr; | |
1403 | ||
1404 | int parsedCount; | |
1405 | int ccParsedCount; | |
1406 | int destroyedCount; | |
1407 | int busyDestroyedCount; | |
1408 | }; | |
1409 | ||
1410 | ||
69c01cd7 | 1411 | struct _tlv { |
5830cdb3 | 1412 | char type; |
1413 | int length; | |
1414 | void *value; | |
bd05e3e3 | 1415 | tlv *next; |
5830cdb3 | 1416 | }; |
1417 | ||
07304bf9 | 1418 | struct _storeSwapLogData { |
5830cdb3 | 1419 | char op; |
1420 | int swap_file_number; | |
1421 | time_t timestamp; | |
1422 | time_t lastref; | |
1423 | time_t expires; | |
1424 | time_t lastmod; | |
07304bf9 | 1425 | size_t swap_file_sz; |
5830cdb3 | 1426 | u_short refcount; |
1427 | u_short flags; | |
7363fc17 | 1428 | unsigned char key[MD5_DIGEST_CHARS]; |
69c01cd7 | 1429 | }; |
59c4d35b | 1430 | |
02922e76 | 1431 | /* object to track per-action memory usage (e.g. #idle objects) */ |
1432 | struct _MemMeter { | |
1433 | size_t level; /* current level (count or volume) */ | |
d8b249ef | 1434 | size_t hwater_level; /* high water mark */ |
1435 | time_t hwater_stamp; /* timestamp of last high water mark change */ | |
02922e76 | 1436 | }; |
1437 | ||
1438 | /* object to track per-pool memory usage (alloc = inuse+idle) */ | |
1439 | struct _MemPoolMeter { | |
1440 | MemMeter alloc; | |
1441 | MemMeter inuse; | |
1442 | MemMeter idle; | |
1443 | gb_t saved; | |
1444 | }; | |
1445 | ||
1446 | /* a pool is a [growing] space for objects of the same size */ | |
1447 | struct _MemPool { | |
1448 | const char *label; | |
1449 | size_t obj_size; | |
1450 | Stack pstack; /* stack for free pointers */ | |
1451 | MemPoolMeter meter; | |
1452 | }; | |
1453 | ||
59c4d35b | 1454 | struct _ClientInfo { |
ec878047 | 1455 | /* first two items must be equivalent to hash_link */ |
59c4d35b | 1456 | char *key; |
ca3c5a71 | 1457 | ClientInfo *next; |
59c4d35b | 1458 | struct in_addr addr; |
1459 | struct { | |
1460 | int result_hist[LOG_TYPE_MAX]; | |
1461 | int n_requests; | |
ec878047 | 1462 | kb_t kbytes_in; |
1463 | kb_t kbytes_out; | |
1464 | kb_t hit_kbytes_out; | |
59c4d35b | 1465 | } Http, Icp; |
1466 | struct { | |
1467 | time_t time; | |
1468 | int n_req; | |
1469 | int n_denied; | |
1470 | } cutoff; | |
1471 | }; | |
c411be12 | 1472 | |
c411be12 | 1473 | struct _CacheDigest { |
1474 | /* public, read-only */ | |
1afe05c5 | 1475 | char *mask; /* bit mask */ |
1476 | size_t mask_size; /* mask size in bytes */ | |
1477 | int capacity; /* expected maximum for .count, not a hard limit */ | |
04f0c415 | 1478 | int bits_per_entry; /* number of bits allocated for each entry from capacity */ |
1afe05c5 | 1479 | int count; /* number of digested entries */ |
1480 | int del_count; /* number of deletions performed so far */ | |
c411be12 | 1481 | }; |
910169e5 | 1482 | |
1483 | struct _FwdState { | |
1484 | int client_fd; | |
1485 | StoreEntry *entry; | |
1486 | request_t *request; | |
1487 | FwdServer *servers; | |
6801f8a8 | 1488 | int server_fd; |
910169e5 | 1489 | struct { |
0cdcddb9 | 1490 | int err_code; |
1491 | http_status http_code; | |
910169e5 | 1492 | int xerrno; |
1493 | } fail; | |
f563eea9 | 1494 | time_t start; |
68bd6892 | 1495 | int n_tries; |
910169e5 | 1496 | }; |
1497 | ||
1498 | struct _FwdServer { | |
1499 | char *host; | |
1500 | u_short port; | |
1501 | peer *peer; | |
1502 | struct _FwdServer *next; | |
1503 | }; | |
86aebcda | 1504 | |
1505 | #if USE_HTCP | |
1506 | struct _htcpReplyData { | |
1507 | int hit; | |
1508 | HttpHeader hdr; | |
1509 | u_num32 msg_id; | |
399cabec | 1510 | double version; |
b4e7f82d | 1511 | struct { |
1512 | /* cache-to-origin */ | |
1513 | double rtt; | |
1514 | int samp; | |
1515 | int hops; | |
1516 | } cto; | |
86aebcda | 1517 | }; |
1518 | #endif |