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516350ca | 1 | /* |
262a0e14 | 2 | * $Id$ |
516350ca | 3 | * |
b510f3a1 | 4 | * DEBUG: section 00 Client Database |
516350ca | 5 | * AUTHOR: Duane Wessels |
6 | * | |
2b6662ba | 7 | * SQUID Web Proxy Cache http://www.squid-cache.org/ |
e25c139f | 8 | * ---------------------------------------------------------- |
516350ca | 9 | * |
2b6662ba | 10 | * Squid is the result of efforts by numerous individuals from |
11 | * the Internet community; see the CONTRIBUTORS file for full | |
12 | * details. Many organizations have provided support for Squid's | |
13 | * development; see the SPONSORS file for full details. Squid is | |
14 | * Copyrighted (C) 2001 by the Regents of the University of | |
15 | * California; see the COPYRIGHT file for full details. Squid | |
16 | * incorporates software developed and/or copyrighted by other | |
17 | * sources; see the CREDITS file for full details. | |
516350ca | 18 | * |
19 | * This program is free software; you can redistribute it and/or modify | |
20 | * it under the terms of the GNU General Public License as published by | |
21 | * the Free Software Foundation; either version 2 of the License, or | |
22 | * (at your option) any later version. | |
26ac0430 | 23 | * |
516350ca | 24 | * This program is distributed in the hope that it will be useful, |
25 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
26 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
27 | * GNU General Public License for more details. | |
26ac0430 | 28 | * |
516350ca | 29 | * You should have received a copy of the GNU General Public License |
30 | * along with this program; if not, write to the Free Software | |
cbdec147 | 31 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
e25c139f | 32 | * |
516350ca | 33 | */ |
34 | ||
582c2af2 | 35 | #include "squid.h" |
a553a5a3 | 36 | #include "event.h" |
31971e6a | 37 | #include "format/Token.h" |
1c898d4c | 38 | #include "ClientInfo.h" |
96d89ea0 | 39 | #include "ip/Address.h" |
8822ebee | 40 | #include "mgr/Registration.h" |
582c2af2 | 41 | #include "protos.h" |
a98bcbee | 42 | #include "SquidMath.h" |
985c86bc | 43 | #include "SquidTime.h" |
e4f1fdae | 44 | #include "StatCounters.h" |
e6ccf245 | 45 | #include "Store.h" |
46 | ||
c41d4b6d | 47 | |
365e5b34 | 48 | static hash_table *client_table = NULL; |
62e76326 | 49 | |
b7ac5457 | 50 | static ClientInfo *clientdbAdd(const Ip::Address &addr); |
ec878047 | 51 | static FREE clientdbFreeItem; |
a0eba6bc | 52 | static void clientdbStartGC(void); |
53 | static void clientdbScheduledGC(void *); | |
54 | ||
9a0a18de | 55 | #if USE_DELAY_POOLS |
b4cd430a CT |
56 | static int max_clients = 32768; |
57 | #else | |
a0eba6bc | 58 | static int max_clients = 32; |
b4cd430a CT |
59 | #endif |
60 | ||
a0eba6bc | 61 | static int cleanup_running = 0; |
62 | static int cleanup_scheduled = 0; | |
63 | static int cleanup_removed; | |
64 | ||
9a0a18de | 65 | #if USE_DELAY_POOLS |
b4cd430a CT |
66 | #define CLIENT_DB_HASH_SIZE 65357 |
67 | #else | |
a0eba6bc | 68 | #define CLIENT_DB_HASH_SIZE 467 |
b4cd430a | 69 | #endif |
c41d4b6d | 70 | |
71 | static ClientInfo * | |
62e76326 | 72 | |
b7ac5457 | 73 | clientdbAdd(const Ip::Address &addr) |
c41d4b6d | 74 | { |
75 | ClientInfo *c; | |
cc192b50 | 76 | char *buf = new char[MAX_IPSTRLEN]; |
e6ccf245 | 77 | c = (ClientInfo *)memAllocate(MEM_CLIENT_INFO); |
cc192b50 | 78 | c->hash.key = addr.NtoA(buf,MAX_IPSTRLEN); |
c41d4b6d | 79 | c->addr = addr; |
9a0a18de | 80 | #if USE_DELAY_POOLS |
b4cd430a CT |
81 | /* setup default values for client write limiter */ |
82 | c->writeLimitingActive=false; | |
83 | c->writeSpeedLimit=0; | |
84 | c->bucketSize = 0; | |
85 | c->firstTimeConnection=true; | |
86 | c->quotaQueue = NULL; | |
87 | c->rationedQuota = 0; | |
88 | c->rationedCount = 0; | |
89 | c->selectWaiting = false; | |
90 | c->eventWaiting = false; | |
91 | ||
92 | /* get current time */ | |
93 | getCurrentTime(); | |
94 | c->prevTime=current_dtime;/* put current time to have something sensible here */ | |
95 | #endif | |
186477c1 | 96 | hash_join(client_table, &c->hash); |
e4f1fdae | 97 | ++statCounter.client_http.clients; |
a0eba6bc | 98 | |
26ac0430 | 99 | if ((statCounter.client_http.clients > max_clients) && !cleanup_running && cleanup_scheduled < 2) { |
5086523e | 100 | ++cleanup_scheduled; |
a0eba6bc | 101 | eventAdd("client_db garbage collector", clientdbScheduledGC, NULL, 90, 0); |
102 | } | |
103 | ||
c41d4b6d | 104 | return c; |
105 | } | |
106 | ||
5f5e883f FC |
107 | static void |
108 | clientdbRegisterWithCacheManager(void) | |
109 | { | |
8822ebee | 110 | Mgr::RegisterAction("client_list", "Cache Client List", clientdbDump, 0, 1); |
5f5e883f FC |
111 | } |
112 | ||
c41d4b6d | 113 | void |
114 | clientdbInit(void) | |
115 | { | |
cfaf75a7 FC |
116 | clientdbRegisterWithCacheManager(); |
117 | ||
19054954 | 118 | if (client_table) |
62e76326 | 119 | return; |
120 | ||
30abd221 | 121 | client_table = hash_create((HASHCMP *) strcmp, CLIENT_DB_HASH_SIZE, hash_string); |
62ee09ca | 122 | } |
62e76326 | 123 | |
9a0a18de | 124 | #if USE_DELAY_POOLS |
b4cd430a CT |
125 | /* returns ClientInfo for given IP addr |
126 | Returns NULL if no such client (or clientdb turned off) | |
127 | (it is assumed that clientdbEstablished will be called before and create client record if needed) | |
128 | */ | |
129 | ClientInfo * clientdbGetInfo(const Ip::Address &addr) | |
130 | { | |
131 | char key[MAX_IPSTRLEN]; | |
132 | ClientInfo *c; | |
133 | ||
134 | if (!Config.onoff.client_db) | |
135 | return NULL; | |
136 | ||
137 | addr.NtoA(key,MAX_IPSTRLEN); | |
138 | ||
139 | c = (ClientInfo *) hash_lookup(client_table, key); | |
f33d34a8 | 140 | if (c==NULL) { |
e0236918 | 141 | debugs(77, DBG_IMPORTANT,"Client db does not contain information for given IP address "<<(const char*)key); |
b4cd430a CT |
142 | return NULL; |
143 | } | |
144 | return c; | |
145 | } | |
146 | #endif | |
62ee09ca | 147 | void |
0c3d3f65 | 148 | clientdbUpdate(const Ip::Address &addr, log_type ltype, AnyP::ProtocolType p, size_t size) |
c41d4b6d | 149 | { |
cc192b50 | 150 | char key[MAX_IPSTRLEN]; |
429fdbec | 151 | ClientInfo *c; |
62e76326 | 152 | |
17a0a4ee | 153 | if (!Config.onoff.client_db) |
62e76326 | 154 | return; |
155 | ||
cc192b50 | 156 | addr.NtoA(key,MAX_IPSTRLEN); |
62e76326 | 157 | |
429fdbec | 158 | c = (ClientInfo *) hash_lookup(client_table, key); |
62e76326 | 159 | |
c41d4b6d | 160 | if (c == NULL) |
62e76326 | 161 | c = clientdbAdd(addr); |
162 | ||
c41d4b6d | 163 | if (c == NULL) |
62e76326 | 164 | debug_trap("clientdbUpdate: Failed to add entry"); |
165 | ||
0c3d3f65 | 166 | if (p == AnyP::PROTO_HTTP) { |
5086523e FC |
167 | ++ c->Http.n_requests; |
168 | ++ c->Http.result_hist[ltype]; | |
62e76326 | 169 | kb_incr(&c->Http.kbytes_out, size); |
170 | ||
171 | if (logTypeIsATcpHit(ltype)) | |
172 | kb_incr(&c->Http.hit_kbytes_out, size); | |
0c3d3f65 | 173 | } else if (p == AnyP::PROTO_ICP) { |
5086523e FC |
174 | ++ c->Icp.n_requests; |
175 | ++ c->Icp.result_hist[ltype]; | |
62e76326 | 176 | kb_incr(&c->Icp.kbytes_out, size); |
177 | ||
178 | if (LOG_UDP_HIT == ltype) | |
179 | kb_incr(&c->Icp.hit_kbytes_out, size); | |
81d0c856 | 180 | } |
a0eba6bc | 181 | |
182 | c->last_seen = squid_curtime; | |
c41d4b6d | 183 | } |
184 | ||
077fe581 | 185 | /** |
9bc73deb | 186 | * This function tracks the number of currently established connections |
187 | * for a client IP address. When a connection is accepted, call this | |
188 | * with delta = 1. When the connection is closed, call with delta = | |
189 | * -1. To get the current value, simply call with delta = 0. | |
190 | */ | |
191 | int | |
b7ac5457 | 192 | clientdbEstablished(const Ip::Address &addr, int delta) |
9bc73deb | 193 | { |
cc192b50 | 194 | char key[MAX_IPSTRLEN]; |
9bc73deb | 195 | ClientInfo *c; |
62e76326 | 196 | |
9bc73deb | 197 | if (!Config.onoff.client_db) |
62e76326 | 198 | return 0; |
199 | ||
cc192b50 | 200 | addr.NtoA(key,MAX_IPSTRLEN); |
62e76326 | 201 | |
9bc73deb | 202 | c = (ClientInfo *) hash_lookup(client_table, key); |
62e76326 | 203 | |
cc192b50 | 204 | if (c == NULL) { |
62e76326 | 205 | c = clientdbAdd(addr); |
cc192b50 | 206 | } |
62e76326 | 207 | |
9bc73deb | 208 | if (c == NULL) |
62e76326 | 209 | debug_trap("clientdbUpdate: Failed to add entry"); |
210 | ||
9bc73deb | 211 | c->n_established += delta; |
62e76326 | 212 | |
9bc73deb | 213 | return c->n_established; |
214 | } | |
215 | ||
e711a2ff | 216 | #define CUTOFF_SECONDS 3600 |
c41d4b6d | 217 | int |
62e76326 | 218 | |
b7ac5457 | 219 | clientdbCutoffDenied(const Ip::Address &addr) |
c41d4b6d | 220 | { |
cc192b50 | 221 | char key[MAX_IPSTRLEN]; |
e711a2ff | 222 | int NR; |
223 | int ND; | |
224 | double p; | |
429fdbec | 225 | ClientInfo *c; |
62e76326 | 226 | |
59c4d35b | 227 | if (!Config.onoff.client_db) |
62e76326 | 228 | return 0; |
229 | ||
cc192b50 | 230 | addr.NtoA(key,MAX_IPSTRLEN); |
62e76326 | 231 | |
429fdbec | 232 | c = (ClientInfo *) hash_lookup(client_table, key); |
62e76326 | 233 | |
c41d4b6d | 234 | if (c == NULL) |
62e76326 | 235 | return 0; |
236 | ||
e711a2ff | 237 | /* |
238 | * If we are in a cutoff window, we don't send a reply | |
239 | */ | |
240 | if (squid_curtime - c->cutoff.time < CUTOFF_SECONDS) | |
62e76326 | 241 | return 1; |
242 | ||
e711a2ff | 243 | /* |
244 | * Calculate the percent of DENIED replies since the last | |
245 | * cutoff time. | |
246 | */ | |
247 | NR = c->Icp.n_requests - c->cutoff.n_req; | |
62e76326 | 248 | |
e711a2ff | 249 | if (NR < 150) |
62e76326 | 250 | NR = 150; |
251 | ||
e711a2ff | 252 | ND = c->Icp.result_hist[LOG_UDP_DENIED] - c->cutoff.n_denied; |
62e76326 | 253 | |
e711a2ff | 254 | p = 100.0 * ND / NR; |
62e76326 | 255 | |
e711a2ff | 256 | if (p < 95.0) |
62e76326 | 257 | return 0; |
258 | ||
fa84c01d | 259 | debugs(1, DBG_CRITICAL, "WARNING: Probable misconfigured neighbor at " << key); |
62e76326 | 260 | |
fa84c01d | 261 | debugs(1, DBG_CRITICAL, "WARNING: " << ND << " of the last " << NR << |
bf8fe701 | 262 | " ICP replies are DENIED"); |
62e76326 | 263 | |
fa84c01d | 264 | debugs(1, DBG_CRITICAL, "WARNING: No replies will be sent for the next " << |
bf8fe701 | 265 | CUTOFF_SECONDS << " seconds"); |
62e76326 | 266 | |
e711a2ff | 267 | c->cutoff.time = squid_curtime; |
62e76326 | 268 | |
e711a2ff | 269 | c->cutoff.n_req = c->Icp.n_requests; |
62e76326 | 270 | |
e711a2ff | 271 | c->cutoff.n_denied = c->Icp.result_hist[LOG_UDP_DENIED]; |
62e76326 | 272 | |
e711a2ff | 273 | return 1; |
c41d4b6d | 274 | } |
275 | ||
e6ccf245 | 276 | log_type &operator++ (log_type &aLogType) |
277 | { | |
1f1ae50a | 278 | int tmp = (int)aLogType; |
279 | aLogType = (log_type)(++tmp); | |
e6ccf245 | 280 | return aLogType; |
281 | } | |
282 | ||
8eb58c9c | 283 | void |
c41d4b6d | 284 | clientdbDump(StoreEntry * sentry) |
285 | { | |
c63e5f01 | 286 | const char *name; |
c41d4b6d | 287 | ClientInfo *c; |
288 | log_type l; | |
ac0963ac | 289 | int icp_total = 0; |
290 | int icp_hits = 0; | |
291 | int http_total = 0; | |
292 | int http_hits = 0; | |
15576b6a | 293 | storeAppendPrintf(sentry, "Cache Clients:\n"); |
0f6bebac | 294 | hash_first(client_table); |
62e76326 | 295 | |
0f6bebac | 296 | while ((c = (ClientInfo *) hash_next(client_table))) { |
62e76326 | 297 | storeAppendPrintf(sentry, "Address: %s\n", hashKeyStr(&c->hash)); |
af6a12ee | 298 | if ( (name = fqdncache_gethostbyaddr(c->addr, 0)) ) { |
c63e5f01 AJ |
299 | storeAppendPrintf(sentry, "Name: %s\n", name); |
300 | } | |
62e76326 | 301 | storeAppendPrintf(sentry, "Currently established connections: %d\n", |
302 | c->n_established); | |
077fe581 | 303 | storeAppendPrintf(sentry, " ICP Requests %d\n", |
62e76326 | 304 | c->Icp.n_requests); |
305 | ||
306 | for (l = LOG_TAG_NONE; l < LOG_TYPE_MAX; ++l) { | |
307 | if (c->Icp.result_hist[l] == 0) | |
308 | continue; | |
309 | ||
310 | icp_total += c->Icp.result_hist[l]; | |
311 | ||
312 | if (LOG_UDP_HIT == l) | |
313 | icp_hits += c->Icp.result_hist[l]; | |
314 | ||
38e16f92 | 315 | storeAppendPrintf(sentry, " %-20.20s %7d %3d%%\n",Format::log_tags[l], c->Icp.result_hist[l], Math::intPercent(c->Icp.result_hist[l], c->Icp.n_requests)); |
62e76326 | 316 | } |
317 | ||
a98bcbee | 318 | storeAppendPrintf(sentry, " HTTP Requests %d\n", c->Http.n_requests); |
62e76326 | 319 | |
320 | for (l = LOG_TAG_NONE; l < LOG_TYPE_MAX; ++l) { | |
321 | if (c->Http.result_hist[l] == 0) | |
322 | continue; | |
323 | ||
324 | http_total += c->Http.result_hist[l]; | |
325 | ||
326 | if (logTypeIsATcpHit(l)) | |
327 | http_hits += c->Http.result_hist[l]; | |
328 | ||
329 | storeAppendPrintf(sentry, | |
330 | " %-20.20s %7d %3d%%\n", | |
38e16f92 | 331 | Format::log_tags[l], |
62e76326 | 332 | c->Http.result_hist[l], |
a98bcbee | 333 | Math::intPercent(c->Http.result_hist[l], c->Http.n_requests)); |
62e76326 | 334 | } |
335 | ||
336 | storeAppendPrintf(sentry, "\n"); | |
c41d4b6d | 337 | } |
62e76326 | 338 | |
ac0963ac | 339 | storeAppendPrintf(sentry, "TOTALS\n"); |
340 | storeAppendPrintf(sentry, "ICP : %d Queries, %d Hits (%3d%%)\n", | |
a98bcbee | 341 | icp_total, icp_hits, Math::intPercent(icp_hits, icp_total)); |
ac0963ac | 342 | storeAppendPrintf(sentry, "HTTP: %d Requests, %d Hits (%3d%%)\n", |
a98bcbee | 343 | http_total, http_hits, Math::intPercent(http_hits, http_total)); |
c41d4b6d | 344 | } |
83394596 | 345 | |
ec878047 | 346 | static void |
347 | clientdbFreeItem(void *data) | |
348 | { | |
e6ccf245 | 349 | ClientInfo *c = (ClientInfo *)data; |
186477c1 | 350 | safe_free(c->hash.key); |
b4cd430a | 351 | |
9a0a18de | 352 | #if USE_DELAY_POOLS |
b4cd430a CT |
353 | if (CommQuotaQueue *q = c->quotaQueue) { |
354 | q->clientInfo = NULL; | |
355 | delete q; // invalidates cbdata, cancelling any pending kicks | |
f33d34a8 | 356 | } |
b4cd430a CT |
357 | #endif |
358 | ||
db1cd23c | 359 | memFree(c, MEM_CLIENT_INFO); |
ec878047 | 360 | } |
361 | ||
83394596 | 362 | void |
363 | clientdbFreeMemory(void) | |
364 | { | |
ec878047 | 365 | hashFreeItems(client_table, clientdbFreeItem); |
83394596 | 366 | hashFreeMemory(client_table); |
367 | client_table = NULL; | |
368 | } | |
81d0c856 | 369 | |
a0eba6bc | 370 | static void |
371 | clientdbScheduledGC(void *unused) | |
372 | { | |
373 | cleanup_scheduled = 0; | |
374 | clientdbStartGC(); | |
375 | } | |
376 | ||
377 | static void | |
378 | clientdbGC(void *unused) | |
379 | { | |
380 | static int bucket = 0; | |
381 | hash_link *link_next; | |
382 | ||
383 | link_next = hash_get_bucket(client_table, bucket++); | |
384 | ||
385 | while (link_next != NULL) { | |
386 | ClientInfo *c = (ClientInfo *)link_next; | |
387 | int age = squid_curtime - c->last_seen; | |
388 | link_next = link_next->next; | |
389 | ||
390 | if (c->n_established) | |
391 | continue; | |
392 | ||
393 | if (age < 24 * 3600 && c->Http.n_requests > 100) | |
394 | continue; | |
395 | ||
396 | if (age < 4 * 3600 && (c->Http.n_requests > 10 || c->Icp.n_requests > 10)) | |
397 | continue; | |
398 | ||
399 | if (age < 5 * 60 && (c->Http.n_requests > 1 || c->Icp.n_requests > 1)) | |
400 | continue; | |
401 | ||
402 | if (age < 60) | |
403 | continue; | |
404 | ||
405 | hash_remove_link(client_table, &c->hash); | |
406 | ||
407 | clientdbFreeItem(c); | |
408 | ||
e4f1fdae | 409 | --statCounter.client_http.clients; |
a0eba6bc | 410 | |
5086523e | 411 | ++cleanup_removed; |
a0eba6bc | 412 | } |
413 | ||
414 | if (bucket < CLIENT_DB_HASH_SIZE) | |
415 | eventAdd("client_db garbage collector", clientdbGC, NULL, 0.15, 0); | |
416 | else { | |
417 | bucket = 0; | |
418 | cleanup_running = 0; | |
419 | max_clients = statCounter.client_http.clients * 3 / 2; | |
420 | ||
421 | if (!cleanup_scheduled) { | |
422 | cleanup_scheduled = 1; | |
423 | eventAdd("client_db garbage collector", clientdbScheduledGC, NULL, 6 * 3600, 0); | |
424 | } | |
425 | ||
bf8fe701 | 426 | debugs(49, 2, "clientdbGC: Removed " << cleanup_removed << " entries"); |
a0eba6bc | 427 | } |
428 | } | |
429 | ||
430 | static void | |
431 | clientdbStartGC(void) | |
432 | { | |
433 | max_clients = statCounter.client_http.clients; | |
434 | cleanup_running = 1; | |
435 | cleanup_removed = 0; | |
436 | clientdbGC(NULL); | |
437 | } | |
438 | ||
81d0c856 | 439 | #if SQUID_SNMP |
62e76326 | 440 | |
b7ac5457 AJ |
441 | Ip::Address * |
442 | client_entry(Ip::Address *current) | |
81d0c856 | 443 | { |
6f47fbc7 | 444 | ClientInfo *c = NULL; |
cc192b50 | 445 | char key[MAX_IPSTRLEN]; |
62e76326 | 446 | |
26ac0430 | 447 | if (current) { |
cc192b50 | 448 | current->NtoA(key,MAX_IPSTRLEN); |
62e76326 | 449 | hash_first(client_table); |
62e76326 | 450 | while ((c = (ClientInfo *) hash_next(client_table))) { |
26ac0430 | 451 | if (!strcmp(key, hashKeyStr(&c->hash))) |
62e76326 | 452 | break; |
453 | } | |
26ac0430 AJ |
454 | |
455 | c = (ClientInfo *) hash_next(client_table); | |
456 | } else { | |
457 | hash_first(client_table); | |
62e76326 | 458 | c = (ClientInfo *) hash_next(client_table); |
6f47fbc7 | 459 | } |
62e76326 | 460 | |
b6a2f15e | 461 | hash_last(client_table); |
62e76326 | 462 | |
b6a2f15e | 463 | if (c) |
26ac0430 | 464 | return (&c->addr); |
b6a2f15e | 465 | else |
26ac0430 AJ |
466 | return (NULL); |
467 | ||
b6a2f15e | 468 | } |
81d0c856 | 469 | |
470 | variable_list * | |
6f47fbc7 | 471 | snmp_meshCtblFn(variable_list * Var, snint * ErrP) |
81d0c856 | 472 | { |
6a644e75 | 473 | char key[MAX_IPSTRLEN]; |
81d0c856 | 474 | ClientInfo *c = NULL; |
b7ac5457 | 475 | Ip::Address keyIp; |
cc192b50 | 476 | |
81d0c856 | 477 | *ErrP = SNMP_ERR_NOERROR; |
6a644e75 AJ |
478 | MemBuf tmp; |
479 | debugs(49, 6, HERE << "Current : length=" << Var->name_length << ": " << snmpDebugOid(Var->name, Var->name_length, tmp)); | |
055421ee | 480 | if (Var->name_length == 16) { |
6a644e75 | 481 | oid2addr(&(Var->name[12]), keyIp, 4); |
055421ee | 482 | } else if (Var->name_length == 28) { |
6a644e75 | 483 | oid2addr(&(Var->name[12]), keyIp, 16); |
6a644e75 AJ |
484 | } else { |
485 | *ErrP = SNMP_ERR_NOSUCHNAME; | |
486 | return NULL; | |
487 | } | |
488 | ||
489 | keyIp.NtoA(key, sizeof(key)); | |
490 | debugs(49, 5, HERE << "[" << key << "] requested!"); | |
81d0c856 | 491 | c = (ClientInfo *) hash_lookup(client_table, key); |
62e76326 | 492 | |
81d0c856 | 493 | if (c == NULL) { |
6a644e75 | 494 | debugs(49, 5, HERE << "not found."); |
62e76326 | 495 | *ErrP = SNMP_ERR_NOSUCHNAME; |
496 | return NULL; | |
81d0c856 | 497 | } |
62e76326 | 498 | |
6a644e75 AJ |
499 | variable_list *Answer = NULL; |
500 | int aggr = 0; | |
501 | log_type l; | |
502 | ||
135171fe | 503 | switch (Var->name[LEN_SQ_NET + 2]) { |
62e76326 | 504 | |
26ac0430 AJ |
505 | case MESH_CTBL_ADDR_TYPE: { |
506 | int ival; | |
507 | ival = c->addr.IsIPv4() ? INETADDRESSTYPE_IPV4 : INETADDRESSTYPE_IPV6 ; | |
508 | Answer = snmp_var_new_integer(Var->name, Var->name_length, | |
509 | ival, SMI_INTEGER); | |
510 | } | |
511 | break; | |
512 | ||
513 | case MESH_CTBL_ADDR: { | |
514 | Answer = snmp_var_new(Var->name, Var->name_length); | |
515 | // InetAddress doesn't have its own ASN.1 type, | |
516 | // like IpAddr does (SMI_IPADDRESS) | |
517 | // See: rfc4001.txt | |
518 | Answer->type = ASN_OCTET_STR; | |
519 | char client[MAX_IPSTRLEN]; | |
520 | c->addr.NtoA(client,MAX_IPSTRLEN); | |
521 | Answer->val_len = strlen(client); | |
522 | Answer->val.string = (u_char *) xstrdup(client); | |
523 | } | |
524 | break; | |
81d0c856 | 525 | case MESH_CTBL_HTBYTES: |
62e76326 | 526 | Answer = snmp_var_new_integer(Var->name, Var->name_length, |
527 | (snint) c->Http.kbytes_out.kb, | |
528 | SMI_COUNTER32); | |
529 | break; | |
530 | ||
81d0c856 | 531 | case MESH_CTBL_HTREQ: |
62e76326 | 532 | Answer = snmp_var_new_integer(Var->name, Var->name_length, |
533 | (snint) c->Http.n_requests, | |
534 | SMI_COUNTER32); | |
535 | break; | |
536 | ||
81d0c856 | 537 | case MESH_CTBL_HTHITS: |
62e76326 | 538 | aggr = 0; |
539 | ||
540 | for (l = LOG_TAG_NONE; l < LOG_TYPE_MAX; ++l) { | |
541 | if (logTypeIsATcpHit(l)) | |
542 | aggr += c->Http.result_hist[l]; | |
543 | } | |
544 | ||
545 | Answer = snmp_var_new_integer(Var->name, Var->name_length, | |
546 | (snint) aggr, | |
547 | SMI_COUNTER32); | |
548 | break; | |
549 | ||
81d0c856 | 550 | case MESH_CTBL_HTHITBYTES: |
62e76326 | 551 | Answer = snmp_var_new_integer(Var->name, Var->name_length, |
552 | (snint) c->Http.hit_kbytes_out.kb, | |
553 | SMI_COUNTER32); | |
554 | break; | |
555 | ||
81d0c856 | 556 | case MESH_CTBL_ICPBYTES: |
62e76326 | 557 | Answer = snmp_var_new_integer(Var->name, Var->name_length, |
558 | (snint) c->Icp.kbytes_out.kb, | |
559 | SMI_COUNTER32); | |
560 | break; | |
561 | ||
81d0c856 | 562 | case MESH_CTBL_ICPREQ: |
62e76326 | 563 | Answer = snmp_var_new_integer(Var->name, Var->name_length, |
564 | (snint) c->Icp.n_requests, | |
565 | SMI_COUNTER32); | |
566 | break; | |
567 | ||
81d0c856 | 568 | case MESH_CTBL_ICPHITS: |
62e76326 | 569 | aggr = c->Icp.result_hist[LOG_UDP_HIT]; |
570 | Answer = snmp_var_new_integer(Var->name, Var->name_length, | |
571 | (snint) aggr, | |
572 | SMI_COUNTER32); | |
573 | break; | |
574 | ||
81d0c856 | 575 | case MESH_CTBL_ICPHITBYTES: |
62e76326 | 576 | Answer = snmp_var_new_integer(Var->name, Var->name_length, |
577 | (snint) c->Icp.hit_kbytes_out.kb, | |
578 | SMI_COUNTER32); | |
579 | break; | |
580 | ||
81d0c856 | 581 | default: |
62e76326 | 582 | *ErrP = SNMP_ERR_NOSUCHNAME; |
bf8fe701 | 583 | debugs(49, 5, "snmp_meshCtblFn: illegal column."); |
62e76326 | 584 | break; |
81d0c856 | 585 | } |
62e76326 | 586 | |
81d0c856 | 587 | return Answer; |
588 | } | |
589 | ||
135171fe | 590 | #endif /*SQUID_SNMP */ |