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Diffstat (limited to 'external/unbound/daemon/stats.h')
| -rw-r--r-- | external/unbound/daemon/stats.h | 262 |
1 files changed, 0 insertions, 262 deletions
diff --git a/external/unbound/daemon/stats.h b/external/unbound/daemon/stats.h deleted file mode 100644 index 39c4d21c5..000000000 --- a/external/unbound/daemon/stats.h +++ /dev/null @@ -1,262 +0,0 @@ -/* - * daemon/stats.h - collect runtime performance indicators. - * - * Copyright (c) 2007, NLnet Labs. All rights reserved. - * - * This software is open source. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * - * Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * - * Neither the name of the NLNET LABS nor the names of its contributors may - * be used to endorse or promote products derived from this software without - * specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED - * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -/** - * \file - * - * This file describes the data structure used to collect runtime performance - * numbers. These 'statistics' may be of interest to the operator. - */ - -#ifndef DAEMON_STATS_H -#define DAEMON_STATS_H -#include "util/timehist.h" -#include "dnscrypt/dnscrypt_config.h" -struct worker; -struct config_file; -struct comm_point; -struct comm_reply; -struct edns_data; -struct sldns_buffer; - -/** number of qtype that is stored for in array */ -#define STATS_QTYPE_NUM 256 -/** number of qclass that is stored for in array */ -#define STATS_QCLASS_NUM 256 -/** number of rcodes in stats */ -#define STATS_RCODE_NUM 16 -/** number of opcodes in stats */ -#define STATS_OPCODE_NUM 16 - -/** per worker statistics */ -struct server_stats { - /** number of queries from clients received. */ - size_t num_queries; - /** number of queries that have been dropped/ratelimited by ip. */ - size_t num_queries_ip_ratelimited; - /** number of queries that had a cache-miss. */ - size_t num_queries_missed_cache; - /** number of prefetch queries - cachehits with prefetch */ - size_t num_queries_prefetch; - - /** - * Sum of the querylistsize of the worker for - * every query that missed cache. To calculate average. - */ - size_t sum_query_list_size; - /** max value of query list size reached. */ - size_t max_query_list_size; - - /** Extended stats below (bool) */ - int extended; - - /** qtype stats */ - size_t qtype[STATS_QTYPE_NUM]; - /** bigger qtype values not in array */ - size_t qtype_big; - /** qclass stats */ - size_t qclass[STATS_QCLASS_NUM]; - /** bigger qclass values not in array */ - size_t qclass_big; - /** query opcodes */ - size_t qopcode[STATS_OPCODE_NUM]; - /** number of queries over TCP */ - size_t qtcp; - /** number of outgoing queries over TCP */ - size_t qtcp_outgoing; - /** number of queries over IPv6 */ - size_t qipv6; - /** number of queries with QR bit */ - size_t qbit_QR; - /** number of queries with AA bit */ - size_t qbit_AA; - /** number of queries with TC bit */ - size_t qbit_TC; - /** number of queries with RD bit */ - size_t qbit_RD; - /** number of queries with RA bit */ - size_t qbit_RA; - /** number of queries with Z bit */ - size_t qbit_Z; - /** number of queries with AD bit */ - size_t qbit_AD; - /** number of queries with CD bit */ - size_t qbit_CD; - /** number of queries with EDNS OPT record */ - size_t qEDNS; - /** number of queries with EDNS with DO flag */ - size_t qEDNS_DO; - /** answer rcodes */ - size_t ans_rcode[STATS_RCODE_NUM]; - /** answers with pseudo rcode 'nodata' */ - size_t ans_rcode_nodata; - /** answers that were secure (AD) */ - size_t ans_secure; - /** answers that were bogus (withheld as SERVFAIL) */ - size_t ans_bogus; - /** rrsets marked bogus by validator */ - size_t rrset_bogus; - /** unwanted traffic received on server-facing ports */ - size_t unwanted_replies; - /** unwanted traffic received on client-facing ports */ - size_t unwanted_queries; - /** usage of tcp accept list */ - size_t tcp_accept_usage; - /** answers served from expired cache */ - size_t zero_ttl_responses; - /** histogram data exported to array - * if the array is the same size, no data is lost, and - * if all histograms are same size (is so by default) then - * adding up works well. */ - size_t hist[NUM_BUCKETS_HIST]; - - /** number of message cache entries */ - size_t msg_cache_count; - /** number of rrset cache entries */ - size_t rrset_cache_count; - /** number of infra cache entries */ - size_t infra_cache_count; - /** number of key cache entries */ - size_t key_cache_count; -#ifdef USE_DNSCRYPT - /** number of queries that used dnscrypt */ - size_t num_query_dnscrypt_crypted; - /** number of queries that queried dnscrypt certificates */ - size_t num_query_dnscrypt_cert; - /** number of queries in clear text and not asking for the certificates */ - size_t num_query_dnscrypt_cleartext; - /** number of malformed encrypted queries */ - size_t num_query_dnscrypt_crypted_malformed; -#endif -}; - -/** - * Statistics to send over the control pipe when asked - * This struct is made to be memcpied, sent in binary. - */ -struct stats_info { - /** the thread stats */ - struct server_stats svr; - - /** mesh stats: current number of states */ - size_t mesh_num_states; - /** mesh stats: current number of reply (user) states */ - size_t mesh_num_reply_states; - /** mesh stats: number of reply states overwritten with a new one */ - size_t mesh_jostled; - /** mesh stats: number of incoming queries dropped */ - size_t mesh_dropped; - /** mesh stats: replies sent */ - size_t mesh_replies_sent; - /** mesh stats: sum of waiting times for the replies */ - struct timeval mesh_replies_sum_wait; - /** mesh stats: median of waiting times for replies (in sec) */ - double mesh_time_median; -}; - -/** - * Initialize server stats to 0. - * @param stats: what to init (this is alloced by the caller). - * @param cfg: with extended statistics option. - */ -void server_stats_init(struct server_stats* stats, struct config_file* cfg); - -/** add query if it missed the cache */ -void server_stats_querymiss(struct server_stats* stats, struct worker* worker); - -/** add query if was cached and also resulted in a prefetch */ -void server_stats_prefetch(struct server_stats* stats, struct worker* worker); - -/** display the stats to the log */ -void server_stats_log(struct server_stats* stats, struct worker* worker, - int threadnum); - -/** - * Obtain the stats info for a given thread. Uses pipe to communicate. - * @param worker: the worker that is executing (the first worker). - * @param who: on who to get the statistics info. - * @param s: the stats block to fill in. - * @param reset: if stats can be reset. - */ -void server_stats_obtain(struct worker* worker, struct worker* who, - struct stats_info* s, int reset); - -/** - * Compile stats into structure for this thread worker. - * Also clears the statistics counters (if that is set by config file). - * @param worker: the worker to compile stats for, also the executing worker. - * @param s: stats block. - * @param reset: if true, depending on config stats are reset. - * if false, statistics are not reset. - */ -void server_stats_compile(struct worker* worker, struct stats_info* s, - int reset); - -/** - * Send stats over comm tube in reply to query cmd - * @param worker: this worker. - * @param reset: if true, depending on config stats are reset. - * if false, statistics are not reset. - */ -void server_stats_reply(struct worker* worker, int reset); - -/** - * Addup stat blocks. - * @param total: sum of the two entries. - * @param a: to add to it. - */ -void server_stats_add(struct stats_info* total, struct stats_info* a); - -/** - * Add stats for this query - * @param stats: the stats - * @param c: commpoint with type and buffer. - * @param qtype: query type - * @param qclass: query class - * @param edns: edns record - * @param repinfo: reply info with remote address - */ -void server_stats_insquery(struct server_stats* stats, struct comm_point* c, - uint16_t qtype, uint16_t qclass, struct edns_data* edns, - struct comm_reply* repinfo); - -/** - * Add rcode for this query. - * @param stats: the stats - * @param buf: buffer with rcode. If buffer is length0: not counted. - */ -void server_stats_insrcode(struct server_stats* stats, struct sldns_buffer* buf); - -#endif /* DAEMON_STATS_H */ |