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diff --git a/external/unbound/daemon/stats.h b/external/unbound/daemon/stats.h
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-/*
- * 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 */