1 /* 2 * daemon/stats.c - collect runtime performance indicators. 3 * 4 * Copyright (c) 2007, NLnet Labs. All rights reserved. 5 * 6 * This software is open source. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * Redistributions of source code must retain the above copyright notice, 13 * this list of conditions and the following disclaimer. 14 * 15 * Redistributions in binary form must reproduce the above copyright notice, 16 * this list of conditions and the following disclaimer in the documentation 17 * and/or other materials provided with the distribution. 18 * 19 * Neither the name of the NLNET LABS nor the names of its contributors may 20 * be used to endorse or promote products derived from this software without 21 * specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 26 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 27 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 28 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 29 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 30 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 31 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 32 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 33 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36 /** 37 * \file 38 * 39 * This file describes the data structure used to collect runtime performance 40 * numbers. These 'statistics' may be of interest to the operator. 41 */ 42 #include "config.h" 43 #ifdef HAVE_TIME_H 44 #include <time.h> 45 #endif 46 #include <sys/time.h> 47 #include <sys/types.h> 48 #include "daemon/stats.h" 49 #include "daemon/worker.h" 50 #include "daemon/daemon.h" 51 #include "services/mesh.h" 52 #include "services/outside_network.h" 53 #include "services/listen_dnsport.h" 54 #include "util/config_file.h" 55 #include "util/tube.h" 56 #include "util/timehist.h" 57 #include "util/net_help.h" 58 #include "validator/validator.h" 59 #include "iterator/iterator.h" 60 #include "sldns/sbuffer.h" 61 #include "services/cache/rrset.h" 62 #include "services/cache/infra.h" 63 #include "services/authzone.h" 64 #include "validator/val_kcache.h" 65 #include "validator/val_neg.h" 66 #ifdef CLIENT_SUBNET 67 #include "edns-subnet/subnetmod.h" 68 #endif 69 #ifdef HAVE_SSL 70 #include <openssl/ssl.h> 71 #endif 72 73 /** How long to wait for threads to transmit statistics, in msec. */ 74 #define STATS_THREAD_WAIT 60000 75 76 /** add timers and the values do not overflow or become negative */ 77 static void 78 stats_timeval_add(long long* d_sec, long long* d_usec, long long add_sec, long long add_usec) 79 { 80 #ifndef S_SPLINT_S 81 (*d_sec) += add_sec; 82 (*d_usec) += add_usec; 83 if((*d_usec) >= 1000000) { 84 (*d_usec) -= 1000000; 85 (*d_sec)++; 86 } 87 #endif 88 } 89 90 void server_stats_init(struct ub_server_stats* stats, struct config_file* cfg) 91 { 92 memset(stats, 0, sizeof(*stats)); 93 stats->extended = cfg->stat_extended; 94 } 95 96 void server_stats_querymiss(struct ub_server_stats* stats, struct worker* worker) 97 { 98 stats->num_queries_missed_cache++; 99 stats->sum_query_list_size += worker->env.mesh->all.count; 100 if((long long)worker->env.mesh->all.count > stats->max_query_list_size) 101 stats->max_query_list_size = (long long)worker->env.mesh->all.count; 102 } 103 104 void server_stats_prefetch(struct ub_server_stats* stats, struct worker* worker) 105 { 106 stats->num_queries_prefetch++; 107 /* changes the query list size so account that, like a querymiss */ 108 stats->sum_query_list_size += worker->env.mesh->all.count; 109 if((long long)worker->env.mesh->all.count > stats->max_query_list_size) 110 stats->max_query_list_size = (long long)worker->env.mesh->all.count; 111 } 112 113 void server_stats_log(struct ub_server_stats* stats, struct worker* worker, 114 int threadnum) 115 { 116 log_info("server stats for thread %d: %u queries, " 117 "%u answers from cache, %u recursions, %u prefetch, %u rejected by " 118 "ip ratelimiting", 119 threadnum, (unsigned)stats->num_queries, 120 (unsigned)(stats->num_queries - 121 stats->num_queries_missed_cache), 122 (unsigned)stats->num_queries_missed_cache, 123 (unsigned)stats->num_queries_prefetch, 124 (unsigned)stats->num_queries_ip_ratelimited); 125 log_info("server stats for thread %d: requestlist max %u avg %g " 126 "exceeded %u jostled %u", threadnum, 127 (unsigned)stats->max_query_list_size, 128 (stats->num_queries_missed_cache+stats->num_queries_prefetch)? 129 (double)stats->sum_query_list_size/ 130 (double)(stats->num_queries_missed_cache+ 131 stats->num_queries_prefetch) : 0.0, 132 (unsigned)worker->env.mesh->stats_dropped, 133 (unsigned)worker->env.mesh->stats_jostled); 134 } 135 136 137 #ifdef CLIENT_SUBNET 138 /** Set the EDNS Subnet stats. */ 139 static void 140 set_subnet_stats(struct worker* worker, struct ub_server_stats* svr, 141 int reset) 142 { 143 int m = modstack_find(&worker->env.mesh->mods, "subnetcache"); 144 struct subnet_env* sne; 145 if(m == -1) 146 return; 147 sne = (struct subnet_env*)worker->env.modinfo[m]; 148 if(reset && !worker->env.cfg->stat_cumulative) { 149 lock_rw_wrlock(&sne->biglock); 150 } else { 151 lock_rw_rdlock(&sne->biglock); 152 } 153 svr->num_query_subnet = (long long)(sne->num_msg_nocache + sne->num_msg_cache); 154 svr->num_query_subnet_cache = (long long)sne->num_msg_cache; 155 if(reset && !worker->env.cfg->stat_cumulative) { 156 sne->num_msg_cache = 0; 157 sne->num_msg_nocache = 0; 158 } 159 lock_rw_unlock(&sne->biglock); 160 } 161 #endif /* CLIENT_SUBNET */ 162 163 /** Set the neg cache stats. */ 164 static void 165 set_neg_cache_stats(struct worker* worker, struct ub_server_stats* svr, 166 int reset) 167 { 168 int m = modstack_find(&worker->env.mesh->mods, "validator"); 169 struct val_env* ve; 170 struct val_neg_cache* neg; 171 if(m == -1) 172 return; 173 ve = (struct val_env*)worker->env.modinfo[m]; 174 if(!ve->neg_cache) 175 return; 176 neg = ve->neg_cache; 177 lock_basic_lock(&neg->lock); 178 svr->num_neg_cache_noerror = (long long)neg->num_neg_cache_noerror; 179 svr->num_neg_cache_nxdomain = (long long)neg->num_neg_cache_nxdomain; 180 if(reset && !worker->env.cfg->stat_cumulative) { 181 neg->num_neg_cache_noerror = 0; 182 neg->num_neg_cache_nxdomain = 0; 183 } 184 lock_basic_unlock(&neg->lock); 185 } 186 187 /** get rrsets bogus number from validator */ 188 static size_t 189 get_rrset_bogus(struct worker* worker, int reset) 190 { 191 int m = modstack_find(&worker->env.mesh->mods, "validator"); 192 struct val_env* ve; 193 size_t r; 194 if(m == -1) 195 return 0; 196 ve = (struct val_env*)worker->env.modinfo[m]; 197 lock_basic_lock(&ve->bogus_lock); 198 r = ve->num_rrset_bogus; 199 if(reset && !worker->env.cfg->stat_cumulative) 200 ve->num_rrset_bogus = 0; 201 lock_basic_unlock(&ve->bogus_lock); 202 return r; 203 } 204 205 /** get number of ratelimited queries from iterator */ 206 static size_t 207 get_queries_ratelimit(struct worker* worker, int reset) 208 { 209 int m = modstack_find(&worker->env.mesh->mods, "iterator"); 210 struct iter_env* ie; 211 size_t r; 212 if(m == -1) 213 return 0; 214 ie = (struct iter_env*)worker->env.modinfo[m]; 215 lock_basic_lock(&ie->queries_ratelimit_lock); 216 r = ie->num_queries_ratelimited; 217 if(reset && !worker->env.cfg->stat_cumulative) 218 ie->num_queries_ratelimited = 0; 219 lock_basic_unlock(&ie->queries_ratelimit_lock); 220 return r; 221 } 222 223 #ifdef USE_DNSCRYPT 224 /** get the number of shared secret cache miss */ 225 static size_t 226 get_dnscrypt_cache_miss(struct worker* worker, int reset) 227 { 228 size_t r; 229 struct dnsc_env* de = worker->daemon->dnscenv; 230 if(!de) return 0; 231 232 lock_basic_lock(&de->shared_secrets_cache_lock); 233 r = de->num_query_dnscrypt_secret_missed_cache; 234 if(reset && !worker->env.cfg->stat_cumulative) 235 de->num_query_dnscrypt_secret_missed_cache = 0; 236 lock_basic_unlock(&de->shared_secrets_cache_lock); 237 return r; 238 } 239 240 /** get the number of replayed queries */ 241 static size_t 242 get_dnscrypt_replay(struct worker* worker, int reset) 243 { 244 size_t r; 245 struct dnsc_env* de = worker->daemon->dnscenv; 246 247 lock_basic_lock(&de->nonces_cache_lock); 248 r = de->num_query_dnscrypt_replay; 249 if(reset && !worker->env.cfg->stat_cumulative) 250 de->num_query_dnscrypt_replay = 0; 251 lock_basic_unlock(&de->nonces_cache_lock); 252 return r; 253 } 254 #endif /* USE_DNSCRYPT */ 255 256 void 257 server_stats_compile(struct worker* worker, struct ub_stats_info* s, int reset) 258 { 259 int i; 260 struct listen_list* lp; 261 262 s->svr = worker->stats; 263 s->mesh_num_states = (long long)worker->env.mesh->all.count; 264 s->mesh_num_reply_states = (long long)worker->env.mesh->num_reply_states; 265 s->mesh_jostled = (long long)worker->env.mesh->stats_jostled; 266 s->mesh_dropped = (long long)worker->env.mesh->stats_dropped; 267 s->mesh_replies_sent = (long long)worker->env.mesh->replies_sent; 268 s->mesh_replies_sum_wait_sec = (long long)worker->env.mesh->replies_sum_wait.tv_sec; 269 s->mesh_replies_sum_wait_usec = (long long)worker->env.mesh->replies_sum_wait.tv_usec; 270 s->mesh_time_median = timehist_quartile(worker->env.mesh->histogram, 271 0.50); 272 273 /* add in the values from the mesh */ 274 s->svr.ans_secure += (long long)worker->env.mesh->ans_secure; 275 s->svr.ans_bogus += (long long)worker->env.mesh->ans_bogus; 276 s->svr.ans_rcode_nodata += (long long)worker->env.mesh->ans_nodata; 277 s->svr.ans_expired += (long long)worker->env.mesh->ans_expired; 278 for(i=0; i<UB_STATS_RCODE_NUM; i++) 279 s->svr.ans_rcode[i] += (long long)worker->env.mesh->ans_rcode[i]; 280 for(i=0; i<UB_STATS_RPZ_ACTION_NUM; i++) 281 s->svr.rpz_action[i] += (long long)worker->env.mesh->rpz_action[i]; 282 timehist_export(worker->env.mesh->histogram, s->svr.hist, 283 NUM_BUCKETS_HIST); 284 /* values from outside network */ 285 s->svr.unwanted_replies = (long long)worker->back->unwanted_replies; 286 s->svr.qtcp_outgoing = (long long)worker->back->num_tcp_outgoing; 287 s->svr.qudp_outgoing = (long long)worker->back->num_udp_outgoing; 288 289 /* get and reset validator rrset bogus number */ 290 s->svr.rrset_bogus = (long long)get_rrset_bogus(worker, reset); 291 292 /* get and reset iterator query ratelimit number */ 293 s->svr.queries_ratelimited = (long long)get_queries_ratelimit(worker, reset); 294 295 /* get cache sizes */ 296 s->svr.msg_cache_count = (long long)count_slabhash_entries(worker->env.msg_cache); 297 s->svr.rrset_cache_count = (long long)count_slabhash_entries(&worker->env.rrset_cache->table); 298 s->svr.infra_cache_count = (long long)count_slabhash_entries(worker->env.infra_cache->hosts); 299 if(worker->env.key_cache) 300 s->svr.key_cache_count = (long long)count_slabhash_entries(worker->env.key_cache->slab); 301 else s->svr.key_cache_count = 0; 302 303 #ifdef USE_DNSCRYPT 304 if(worker->daemon->dnscenv) { 305 s->svr.num_query_dnscrypt_secret_missed_cache = 306 (long long)get_dnscrypt_cache_miss(worker, reset); 307 s->svr.shared_secret_cache_count = (long long)count_slabhash_entries( 308 worker->daemon->dnscenv->shared_secrets_cache); 309 s->svr.nonce_cache_count = (long long)count_slabhash_entries( 310 worker->daemon->dnscenv->nonces_cache); 311 s->svr.num_query_dnscrypt_replay = 312 (long long)get_dnscrypt_replay(worker, reset); 313 } else { 314 s->svr.num_query_dnscrypt_secret_missed_cache = 0; 315 s->svr.shared_secret_cache_count = 0; 316 s->svr.nonce_cache_count = 0; 317 s->svr.num_query_dnscrypt_replay = 0; 318 } 319 #else 320 s->svr.num_query_dnscrypt_secret_missed_cache = 0; 321 s->svr.shared_secret_cache_count = 0; 322 s->svr.nonce_cache_count = 0; 323 s->svr.num_query_dnscrypt_replay = 0; 324 #endif /* USE_DNSCRYPT */ 325 if(worker->env.auth_zones) { 326 if(reset && !worker->env.cfg->stat_cumulative) { 327 lock_rw_wrlock(&worker->env.auth_zones->lock); 328 } else { 329 lock_rw_rdlock(&worker->env.auth_zones->lock); 330 } 331 s->svr.num_query_authzone_up = (long long)worker->env. 332 auth_zones->num_query_up; 333 s->svr.num_query_authzone_down = (long long)worker->env. 334 auth_zones->num_query_down; 335 if(reset && !worker->env.cfg->stat_cumulative) { 336 worker->env.auth_zones->num_query_up = 0; 337 worker->env.auth_zones->num_query_down = 0; 338 } 339 lock_rw_unlock(&worker->env.auth_zones->lock); 340 } 341 s->svr.mem_stream_wait = 342 (long long)tcp_req_info_get_stream_buffer_size(); 343 s->svr.mem_http2_query_buffer = 344 (long long)http2_get_query_buffer_size(); 345 s->svr.mem_http2_response_buffer = 346 (long long)http2_get_response_buffer_size(); 347 348 /* Set neg cache usage numbers */ 349 set_neg_cache_stats(worker, &s->svr, reset); 350 #ifdef CLIENT_SUBNET 351 /* EDNS Subnet usage numbers */ 352 set_subnet_stats(worker, &s->svr, reset); 353 #else 354 s->svr.num_query_subnet = 0; 355 s->svr.num_query_subnet_cache = 0; 356 #endif 357 358 /* get tcp accept usage */ 359 s->svr.tcp_accept_usage = 0; 360 for(lp = worker->front->cps; lp; lp = lp->next) { 361 if(lp->com->type == comm_tcp_accept) 362 s->svr.tcp_accept_usage += (long long)lp->com->cur_tcp_count; 363 } 364 365 if(reset && !worker->env.cfg->stat_cumulative) { 366 worker_stats_clear(worker); 367 } 368 } 369 370 void server_stats_obtain(struct worker* worker, struct worker* who, 371 struct ub_stats_info* s, int reset) 372 { 373 uint8_t *reply = NULL; 374 uint32_t len = 0; 375 if(worker == who) { 376 /* just fill it in */ 377 server_stats_compile(worker, s, reset); 378 return; 379 } 380 /* communicate over tube */ 381 verbose(VERB_ALGO, "write stats cmd"); 382 if(reset) 383 worker_send_cmd(who, worker_cmd_stats); 384 else worker_send_cmd(who, worker_cmd_stats_noreset); 385 verbose(VERB_ALGO, "wait for stats reply"); 386 if(tube_wait_timeout(worker->cmd, STATS_THREAD_WAIT) == 0) { 387 verbose(VERB_OPS, "no response from thread %d" 388 #ifdef HAVE_GETTID 389 " LWP %u" 390 #endif 391 #if defined(HAVE_PTHREAD) && defined(SIZEOF_PTHREAD_T) && defined(SIZEOF_UNSIGNED_LONG) 392 # if SIZEOF_PTHREAD_T == SIZEOF_UNSIGNED_LONG 393 " pthread 0x%lx" 394 # endif 395 #endif 396 , 397 who->thread_num 398 #ifdef HAVE_GETTID 399 , (unsigned)who->thread_tid 400 #endif 401 #if defined(HAVE_PTHREAD) && defined(SIZEOF_PTHREAD_T) && defined(SIZEOF_UNSIGNED_LONG) 402 # if SIZEOF_PTHREAD_T == SIZEOF_UNSIGNED_LONG 403 , (unsigned long)*((unsigned long*)&who->thr_id) 404 # endif 405 #endif 406 ); 407 } 408 if(!tube_read_msg(worker->cmd, &reply, &len, 0)) 409 fatal_exit("failed to read stats over cmd channel"); 410 if(len != (uint32_t)sizeof(*s)) 411 fatal_exit("stats on cmd channel wrong length %d %d", 412 (int)len, (int)sizeof(*s)); 413 memcpy(s, reply, (size_t)len); 414 free(reply); 415 } 416 417 void server_stats_reply(struct worker* worker, int reset) 418 { 419 struct ub_stats_info s; 420 server_stats_compile(worker, &s, reset); 421 verbose(VERB_ALGO, "write stats replymsg"); 422 if(!tube_write_msg(worker->daemon->workers[0]->cmd, 423 (uint8_t*)&s, sizeof(s), 0)) 424 fatal_exit("could not write stat values over cmd channel"); 425 } 426 427 void server_stats_add(struct ub_stats_info* total, struct ub_stats_info* a) 428 { 429 total->svr.num_queries += a->svr.num_queries; 430 total->svr.num_queries_ip_ratelimited += a->svr.num_queries_ip_ratelimited; 431 total->svr.num_queries_missed_cache += a->svr.num_queries_missed_cache; 432 total->svr.num_queries_prefetch += a->svr.num_queries_prefetch; 433 total->svr.sum_query_list_size += a->svr.sum_query_list_size; 434 total->svr.ans_expired += a->svr.ans_expired; 435 #ifdef USE_DNSCRYPT 436 total->svr.num_query_dnscrypt_crypted += a->svr.num_query_dnscrypt_crypted; 437 total->svr.num_query_dnscrypt_cert += a->svr.num_query_dnscrypt_cert; 438 total->svr.num_query_dnscrypt_cleartext += \ 439 a->svr.num_query_dnscrypt_cleartext; 440 total->svr.num_query_dnscrypt_crypted_malformed += \ 441 a->svr.num_query_dnscrypt_crypted_malformed; 442 #endif /* USE_DNSCRYPT */ 443 /* the max size reached is upped to higher of both */ 444 if(a->svr.max_query_list_size > total->svr.max_query_list_size) 445 total->svr.max_query_list_size = a->svr.max_query_list_size; 446 447 if(a->svr.extended) { 448 int i; 449 total->svr.qtype_big += a->svr.qtype_big; 450 total->svr.qclass_big += a->svr.qclass_big; 451 total->svr.qtcp += a->svr.qtcp; 452 total->svr.qtcp_outgoing += a->svr.qtcp_outgoing; 453 total->svr.qudp_outgoing += a->svr.qudp_outgoing; 454 total->svr.qtls += a->svr.qtls; 455 total->svr.qtls_resume += a->svr.qtls_resume; 456 total->svr.qhttps += a->svr.qhttps; 457 total->svr.qipv6 += a->svr.qipv6; 458 total->svr.qbit_QR += a->svr.qbit_QR; 459 total->svr.qbit_AA += a->svr.qbit_AA; 460 total->svr.qbit_TC += a->svr.qbit_TC; 461 total->svr.qbit_RD += a->svr.qbit_RD; 462 total->svr.qbit_RA += a->svr.qbit_RA; 463 total->svr.qbit_Z += a->svr.qbit_Z; 464 total->svr.qbit_AD += a->svr.qbit_AD; 465 total->svr.qbit_CD += a->svr.qbit_CD; 466 total->svr.qEDNS += a->svr.qEDNS; 467 total->svr.qEDNS_DO += a->svr.qEDNS_DO; 468 total->svr.ans_rcode_nodata += a->svr.ans_rcode_nodata; 469 total->svr.ans_secure += a->svr.ans_secure; 470 total->svr.ans_bogus += a->svr.ans_bogus; 471 total->svr.unwanted_replies += a->svr.unwanted_replies; 472 total->svr.unwanted_queries += a->svr.unwanted_queries; 473 total->svr.tcp_accept_usage += a->svr.tcp_accept_usage; 474 for(i=0; i<UB_STATS_QTYPE_NUM; i++) 475 total->svr.qtype[i] += a->svr.qtype[i]; 476 for(i=0; i<UB_STATS_QCLASS_NUM; i++) 477 total->svr.qclass[i] += a->svr.qclass[i]; 478 for(i=0; i<UB_STATS_OPCODE_NUM; i++) 479 total->svr.qopcode[i] += a->svr.qopcode[i]; 480 for(i=0; i<UB_STATS_RCODE_NUM; i++) 481 total->svr.ans_rcode[i] += a->svr.ans_rcode[i]; 482 for(i=0; i<NUM_BUCKETS_HIST; i++) 483 total->svr.hist[i] += a->svr.hist[i]; 484 for(i=0; i<UB_STATS_RPZ_ACTION_NUM; i++) 485 total->svr.rpz_action[i] += a->svr.rpz_action[i]; 486 } 487 488 total->mesh_num_states += a->mesh_num_states; 489 total->mesh_num_reply_states += a->mesh_num_reply_states; 490 total->mesh_jostled += a->mesh_jostled; 491 total->mesh_dropped += a->mesh_dropped; 492 total->mesh_replies_sent += a->mesh_replies_sent; 493 stats_timeval_add(&total->mesh_replies_sum_wait_sec, &total->mesh_replies_sum_wait_usec, a->mesh_replies_sum_wait_sec, a->mesh_replies_sum_wait_usec); 494 /* the medians are averaged together, this is not as accurate as 495 * taking the median over all of the data, but is good and fast 496 * added up here, division later*/ 497 total->mesh_time_median += a->mesh_time_median; 498 } 499 500 void server_stats_insquery(struct ub_server_stats* stats, struct comm_point* c, 501 uint16_t qtype, uint16_t qclass, struct edns_data* edns, 502 struct comm_reply* repinfo) 503 { 504 uint16_t flags = sldns_buffer_read_u16_at(c->buffer, 2); 505 if(qtype < UB_STATS_QTYPE_NUM) 506 stats->qtype[qtype]++; 507 else stats->qtype_big++; 508 if(qclass < UB_STATS_QCLASS_NUM) 509 stats->qclass[qclass]++; 510 else stats->qclass_big++; 511 stats->qopcode[ LDNS_OPCODE_WIRE(sldns_buffer_begin(c->buffer)) ]++; 512 if(c->type != comm_udp) { 513 stats->qtcp++; 514 if(c->ssl != NULL) { 515 stats->qtls++; 516 #ifdef HAVE_SSL 517 if(SSL_session_reused(c->ssl)) 518 stats->qtls_resume++; 519 #endif 520 if(c->type == comm_http) 521 stats->qhttps++; 522 } 523 } 524 if(repinfo && addr_is_ip6(&repinfo->remote_addr, repinfo->remote_addrlen)) 525 stats->qipv6++; 526 if( (flags&BIT_QR) ) 527 stats->qbit_QR++; 528 if( (flags&BIT_AA) ) 529 stats->qbit_AA++; 530 if( (flags&BIT_TC) ) 531 stats->qbit_TC++; 532 if( (flags&BIT_RD) ) 533 stats->qbit_RD++; 534 if( (flags&BIT_RA) ) 535 stats->qbit_RA++; 536 if( (flags&BIT_Z) ) 537 stats->qbit_Z++; 538 if( (flags&BIT_AD) ) 539 stats->qbit_AD++; 540 if( (flags&BIT_CD) ) 541 stats->qbit_CD++; 542 if(edns->edns_present) { 543 stats->qEDNS++; 544 if( (edns->bits & EDNS_DO) ) 545 stats->qEDNS_DO++; 546 } 547 } 548 549 void server_stats_insrcode(struct ub_server_stats* stats, sldns_buffer* buf) 550 { 551 if(stats->extended && sldns_buffer_limit(buf) != 0) { 552 int r = (int)LDNS_RCODE_WIRE( sldns_buffer_begin(buf) ); 553 stats->ans_rcode[r] ++; 554 if(r == 0 && LDNS_ANCOUNT( sldns_buffer_begin(buf) ) == 0) 555 stats->ans_rcode_nodata ++; 556 } 557 } 558