/*

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* Copyright (C) Internet Systems Consortium, Inc. ("ISC")

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*

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* This Source Code Form is subject to the terms of the Mozilla Public

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* License, v. 2.0. If a copy of the MPL was not distributed with this

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* file, you can obtain one at https://mozilla.org/MPL/2.0/.

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*

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* See the COPYRIGHT file distributed with this work for additional

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* information regarding copyright ownership.

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*/

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#ifndef DNS_STATS_H

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#define DNS_STATS_H 1

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/*! \file dns/stats.h */

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#include <inttypes.h>

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#include <dns/types.h>

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/*%

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* Statistics counters. Used as isc_statscounter_t values.

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*/

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enum {

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/*%

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* Resolver statistics counters.

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*/

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dns_resstatscounter_queryv4 = 0,

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dns_resstatscounter_queryv6 = 1,

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dns_resstatscounter_responsev4 = 2,

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dns_resstatscounter_responsev6 = 3,

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dns_resstatscounter_nxdomain = 4,

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dns_resstatscounter_servfail = 5,

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dns_resstatscounter_formerr = 6,

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dns_resstatscounter_othererror = 7,

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dns_resstatscounter_edns0fail = 8,

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dns_resstatscounter_mismatch = 9,

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dns_resstatscounter_truncated = 10,

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dns_resstatscounter_lame = 11,

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dns_resstatscounter_retry = 12,

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dns_resstatscounter_gluefetchv4 = 13,

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dns_resstatscounter_gluefetchv6 = 14,

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dns_resstatscounter_gluefetchv4fail = 15,

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dns_resstatscounter_gluefetchv6fail = 16,

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dns_resstatscounter_val = 17,

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dns_resstatscounter_valsuccess = 18,

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dns_resstatscounter_valnegsuccess = 19,

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dns_resstatscounter_valfail = 20,

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dns_resstatscounter_dispabort = 21,

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dns_resstatscounter_dispsockfail = 22,

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dns_resstatscounter_querytimeout = 23,

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dns_resstatscounter_queryrtt0 = 24,

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dns_resstatscounter_queryrtt1 = 25,

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dns_resstatscounter_queryrtt2 = 26,

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dns_resstatscounter_queryrtt3 = 27,

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dns_resstatscounter_queryrtt4 = 28,

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dns_resstatscounter_queryrtt5 = 29,

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dns_resstatscounter_nfetch = 30,

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dns_resstatscounter_disprequdp = 31,

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dns_resstatscounter_dispreqtcp = 32,

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dns_resstatscounter_buckets = 33,

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dns_resstatscounter_refused = 34,

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dns_resstatscounter_cookienew = 35,

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dns_resstatscounter_cookieout = 36,

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dns_resstatscounter_cookiein = 37,

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dns_resstatscounter_cookieok = 38,

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dns_resstatscounter_badvers = 39,

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dns_resstatscounter_badcookie = 40,

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dns_resstatscounter_zonequota = 41,

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dns_resstatscounter_serverquota = 42,

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dns_resstatscounter_nextitem = 43,

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dns_resstatscounter_max = 44,

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/*

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* DNSSEC stats.

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*/

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dns_dnssecstats_asis = 0,

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dns_dnssecstats_downcase = 1,

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dns_dnssecstats_wildcard = 2,

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dns_dnssecstats_fail = 3,

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dns_dnssecstats_max = 4,

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/*%

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* Zone statistics counters.

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*/

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dns_zonestatscounter_notifyoutv4 = 0,

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dns_zonestatscounter_notifyoutv6 = 1,

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dns_zonestatscounter_notifyinv4 = 2,

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dns_zonestatscounter_notifyinv6 = 3,

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dns_zonestatscounter_notifyrej = 4,

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dns_zonestatscounter_soaoutv4 = 5,

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dns_zonestatscounter_soaoutv6 = 6,

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dns_zonestatscounter_axfrreqv4 = 7,

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dns_zonestatscounter_axfrreqv6 = 8,

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dns_zonestatscounter_ixfrreqv4 = 9,

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dns_zonestatscounter_ixfrreqv6 = 10,

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dns_zonestatscounter_xfrsuccess = 11,

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dns_zonestatscounter_xfrfail = 12,

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dns_zonestatscounter_max = 13,

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/*

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* Adb statistics values.

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*/

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dns_adbstats_nentries = 0,

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dns_adbstats_entriescnt = 1,

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dns_adbstats_nnames = 2,

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dns_adbstats_namescnt = 3,

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dns_adbstats_max = 4,

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/*

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* Cache statistics values.

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*/

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dns_cachestatscounter_hits = 1,

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dns_cachestatscounter_misses = 2,

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dns_cachestatscounter_queryhits = 3,

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dns_cachestatscounter_querymisses = 4,

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dns_cachestatscounter_deletelru = 5,

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dns_cachestatscounter_deletettl = 6,

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dns_cachestatscounter_max = 7,

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/*%

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* Query statistics counters (obsolete).

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*/

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dns_statscounter_success = 0, /*%< Successful lookup */

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dns_statscounter_referral = 1, /*%< Referral result */

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dns_statscounter_nxrrset = 2, /*%< NXRRSET result */

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dns_statscounter_nxdomain = 3, /*%< NXDOMAIN result */

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dns_statscounter_recursion = 4, /*%< Recursion was used */

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dns_statscounter_failure = 5, /*%< Some other failure */

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dns_statscounter_duplicate = 6, /*%< Duplicate query */

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dns_statscounter_dropped = 7, /*%< Duplicate query (dropped) */

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/*%

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* DNSTAP statistics counters.

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*/

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dns_dnstapcounter_success = 0,

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dns_dnstapcounter_drop = 1,

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dns_dnstapcounter_max = 2

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};

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#define DNS_STATS_NCOUNTERS 8

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#if 0

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/*%<

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* Flag(s) for dns_xxxstats_dump(). DNS_STATSDUMP_VERBOSE is obsolete.

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* ISC_STATSDUMP_VERBOSE should be used instead. These two values are

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* intentionally defined to be the same value to ensure binary compatibility.

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*/

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#define DNS_STATSDUMP_VERBOSE 0x00000001 /*%< dump 0-value counters */

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#endif

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/*%<

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* (Obsoleted)

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*/

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LIBDNS_EXTERNAL_DATA extern const char *dns_statscounter_names[];

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/*%

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* Attributes for statistics counters of RRset and Rdatatype types.

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*

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* _OTHERTYPE

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* The rdata type is not explicitly supported and the corresponding counter

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* is counted for other such types, too. When this attribute is set,

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* the base type is of no use.

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*

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* _NXRRSET

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* RRset type counters only. Indicates the RRset is non existent.

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*

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* _NXDOMAIN

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* RRset type counters only. Indicates a non existent name. When this

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* attribute is set, the base type is of no use.

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*

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* _STALE

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* RRset type counters only. This indicates a record that marked for

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* removal.

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*

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* Note: incrementing _STALE will decrement the corresponding non-stale

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* counter.

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*/

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#define DNS_RDATASTATSTYPE_ATTR_OTHERTYPE 0x0001

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#define DNS_RDATASTATSTYPE_ATTR_NXRRSET 0x0002

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#define DNS_RDATASTATSTYPE_ATTR_NXDOMAIN 0x0004

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#define DNS_RDATASTATSTYPE_ATTR_STALE 0x0008

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/*%<

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* Conversion macros among dns_rdatatype_t, attributes and isc_statscounter_t.

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*/

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#define DNS_RDATASTATSTYPE_BASE(type) ((dns_rdatatype_t)((type) & 0xFFFF))

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#define DNS_RDATASTATSTYPE_ATTR(type) ((type) >> 16)

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#define DNS_RDATASTATSTYPE_VALUE(b, a) (((a) << 16) | (b))

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/*%<

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* Types of dump callbacks.

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*/

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typedef void (*dns_generalstats_dumper_t)(isc_statscounter_t, uint64_t,

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void *);

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typedef void (*dns_rdatatypestats_dumper_t)(dns_rdatastatstype_t, uint64_t,

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void *);

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typedef void (*dns_opcodestats_dumper_t)(dns_opcode_t, uint64_t, void *);

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typedef void (*dns_rcodestats_dumper_t)(dns_rcode_t, uint64_t, void *);

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ISC_LANG_BEGINDECLS

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isc_result_t

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dns_generalstats_create(isc_mem_t *mctx, dns_stats_t **statsp, int ncounters);

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/*%<

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* Create a statistics counter structure of general type. It counts a general

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* set of counters indexed by an ID between 0 and ncounters -1.

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* This function is obsolete. A more general function, isc_stats_create(),

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* should be used.

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*

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* Requires:

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*\li 'mctx' must be a valid memory context.

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*

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*\li 'statsp' != NULL && '*statsp' == NULL.

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*

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* Returns:

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*\li ISC_R_SUCCESS -- all ok

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*

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*\li anything else -- failure

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*/

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isc_result_t

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dns_rdatatypestats_create(isc_mem_t *mctx, dns_stats_t **statsp);

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/*%<

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* Create a statistics counter structure per rdatatype.

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*

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* Requires:

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*\li 'mctx' must be a valid memory context.

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*

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*\li 'statsp' != NULL && '*statsp' == NULL.

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*

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* Returns:

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*\li ISC_R_SUCCESS -- all ok

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*

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*\li anything else -- failure

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*/

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isc_result_t

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dns_rdatasetstats_create(isc_mem_t *mctx, dns_stats_t **statsp);

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/*%<

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* Create a statistics counter structure per RRset.

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*

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* Requires:

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*\li 'mctx' must be a valid memory context.

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*

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*\li 'statsp' != NULL && '*statsp' == NULL.

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*

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* Returns:

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*\li ISC_R_SUCCESS -- all ok

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*

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*\li anything else -- failure

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*/

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isc_result_t

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dns_opcodestats_create(isc_mem_t *mctx, dns_stats_t **statsp);

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/*%<

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* Create a statistics counter structure per opcode.

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*

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* Requires:

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*\li 'mctx' must be a valid memory context.

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*

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*\li 'statsp' != NULL && '*statsp' == NULL.

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*

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* Returns:

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*\li ISC_R_SUCCESS -- all ok

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*

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*\li anything else -- failure

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*/

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isc_result_t

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dns_rcodestats_create(isc_mem_t *mctx, dns_stats_t **statsp);

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/*%<

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* Create a statistics counter structure per assigned rcode.

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*

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* Requires:

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*\li 'mctx' must be a valid memory context.

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*

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*\li 'statsp' != NULL && '*statsp' == NULL.

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*

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* Returns:

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*\li ISC_R_SUCCESS -- all ok

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*

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*\li anything else -- failure

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*/

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void

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dns_stats_attach(dns_stats_t *stats, dns_stats_t **statsp);

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/*%<

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* Attach to a statistics set.

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*

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* Requires:

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*\li 'stats' is a valid dns_stats_t.

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*

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*\li 'statsp' != NULL && '*statsp' == NULL

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*/

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void

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dns_stats_detach(dns_stats_t **statsp);

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/*%<

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* Detaches from the statistics set.

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*

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* Requires:

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*\li 'statsp' != NULL and '*statsp' is a valid dns_stats_t.

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*/

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void

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dns_generalstats_increment(dns_stats_t *stats, isc_statscounter_t counter);

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/*%<

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* Increment the counter-th counter of stats. This function is obsolete.

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* A more general function, isc_stats_increment(), should be used.

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*

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* Requires:

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*\li 'stats' is a valid dns_stats_t created by dns_generalstats_create().

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*

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*\li counter is less than the maximum available ID for the stats specified

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* on creation.

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*/

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void

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dns_rdatatypestats_increment(dns_stats_t *stats, dns_rdatatype_t type);

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/*%<

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* Increment the statistics counter for 'type'.

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*

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* Requires:

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*\li 'stats' is a valid dns_stats_t created by dns_rdatatypestats_create().

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*/

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void

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dns_rdatasetstats_increment(dns_stats_t *stats, dns_rdatastatstype_t rrsettype);

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/*%<

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* Increment the statistics counter for 'rrsettype'.

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*

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* Note: if 'rrsettype' has the _STALE attribute set the corresponding

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* non-stale counter will be decremented.

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*

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* Requires:

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*\li 'stats' is a valid dns_stats_t created by dns_rdatasetstats_create().

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*/

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void

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dns_rdatasetstats_decrement(dns_stats_t *stats, dns_rdatastatstype_t rrsettype);

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/*%<

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* Decrement the statistics counter for 'rrsettype'.

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*

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* Requires:

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*\li 'stats' is a valid dns_stats_t created by dns_rdatasetstats_create().

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*/

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void

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dns_opcodestats_increment(dns_stats_t *stats, dns_opcode_t code);

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/*%<

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* Increment the statistics counter for 'code'.

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*

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* Requires:

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*\li 'stats' is a valid dns_stats_t created by dns_opcodestats_create().

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*/

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void

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dns_rcodestats_increment(dns_stats_t *stats, dns_opcode_t code);

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/*%<

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* Increment the statistics counter for 'code'.

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*

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* Requires:

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*\li 'stats' is a valid dns_stats_t created by dns_rcodestats_create().

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*/

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void

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dns_generalstats_dump(dns_stats_t *stats, dns_generalstats_dumper_t dump_fn,

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void *arg, unsigned int options);

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/*%<

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* Dump the current statistics counters in a specified way. For each counter

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* in stats, dump_fn is called with its current value and the given argument

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* arg. By default counters that have a value of 0 is skipped; if options has

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* the ISC_STATSDUMP_VERBOSE flag, even such counters are dumped.

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*

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* This function is obsolete. A more general function, isc_stats_dump(),

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* should be used.

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*

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* Requires:

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*\li 'stats' is a valid dns_stats_t created by dns_generalstats_create().

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*/

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void

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dns_rdatatypestats_dump(dns_stats_t *stats, dns_rdatatypestats_dumper_t dump_fn,

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void *arg, unsigned int options);

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/*%<

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* Dump the current statistics counters in a specified way. For each counter

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* in stats, dump_fn is called with the corresponding type in the form of

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* dns_rdatastatstype_t, the current counter value and the given argument

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* arg. By default counters that have a value of 0 is skipped; if options has

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* the ISC_STATSDUMP_VERBOSE flag, even such counters are dumped.

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*

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* Requires:

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*\li 'stats' is a valid dns_stats_t created by dns_generalstats_create().

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*/

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void

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dns_rdatasetstats_dump(dns_stats_t *stats, dns_rdatatypestats_dumper_t dump_fn,

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void *arg, unsigned int options);

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/*%<

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* Dump the current statistics counters in a specified way. For each counter

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* in stats, dump_fn is called with the corresponding type in the form of

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* dns_rdatastatstype_t, the current counter value and the given argument

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* arg. By default counters that have a value of 0 is skipped; if options has

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* the ISC_STATSDUMP_VERBOSE flag, even such counters are dumped.

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*

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* Requires:

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*\li 'stats' is a valid dns_stats_t created by dns_generalstats_create().

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*/

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void

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dns_opcodestats_dump(dns_stats_t *stats, dns_opcodestats_dumper_t dump_fn,

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void *arg, unsigned int options);

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/*%<

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* Dump the current statistics counters in a specified way. For each counter

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* in stats, dump_fn is called with the corresponding opcode, the current

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* counter value and the given argument arg. By default counters that have a

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* value of 0 is skipped; if options has the ISC_STATSDUMP_VERBOSE flag, even

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* such counters are dumped.

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*

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* Requires:

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*\li 'stats' is a valid dns_stats_t created by dns_generalstats_create().

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*/

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void

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dns_rcodestats_dump(dns_stats_t *stats, dns_rcodestats_dumper_t dump_fn,

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void *arg, unsigned int options);

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/*%<

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* Dump the current statistics counters in a specified way. For each counter

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* in stats, dump_fn is called with the corresponding rcode, the current

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* counter value and the given argument arg. By default counters that have a

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* value of 0 is skipped; if options has the ISC_STATSDUMP_VERBOSE flag, even

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* such counters are dumped.

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*

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* Requires:

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*\li 'stats' is a valid dns_stats_t created by dns_generalstats_create().

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*/

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isc_result_t

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dns_stats_alloccounters(isc_mem_t *mctx, uint64_t **ctrp);

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/*%<

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* Allocate an array of query statistics counters from the memory

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* context 'mctx'.

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*

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* This function is obsoleted. Use dns_xxxstats_create() instead.

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*/

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void

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dns_stats_freecounters(isc_mem_t *mctx, uint64_t **ctrp);

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/*%<

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* Free an array of query statistics counters allocated from the memory

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* context 'mctx'.

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*

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* This function is obsoleted. Use dns_stats_destroy() instead.

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*/

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ISC_LANG_ENDDECLS

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#endif /* DNS_STATS_H */

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[464] Fix | Delete