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Diffstat (limited to 'lib/dns/include/dns/stats.h')
| -rw-r--r-- | lib/dns/include/dns/stats.h | 466 |
1 files changed, 466 insertions, 0 deletions
diff --git a/lib/dns/include/dns/stats.h b/lib/dns/include/dns/stats.h new file mode 100644 index 0000000..9ef47af --- /dev/null +++ b/lib/dns/include/dns/stats.h @@ -0,0 +1,466 @@ +/* + * Copyright (C) Internet Systems Consortium, Inc. ("ISC") + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * See the COPYRIGHT file distributed with this work for additional + * information regarding copyright ownership. + */ + +/* $Id$ */ + +#ifndef DNS_STATS_H +#define DNS_STATS_H 1 + +/*! \file dns/stats.h */ + +#include <inttypes.h> + +#include <dns/types.h> + +/*% + * Statistics counters. Used as isc_statscounter_t values. + */ +enum { + /*% + * Resolver statistics counters. + */ + dns_resstatscounter_queryv4 = 0, + dns_resstatscounter_queryv6 = 1, + dns_resstatscounter_responsev4 = 2, + dns_resstatscounter_responsev6 = 3, + dns_resstatscounter_nxdomain = 4, + dns_resstatscounter_servfail = 5, + dns_resstatscounter_formerr = 6, + dns_resstatscounter_othererror = 7, + dns_resstatscounter_edns0fail = 8, + dns_resstatscounter_mismatch = 9, + dns_resstatscounter_truncated = 10, + dns_resstatscounter_lame = 11, + dns_resstatscounter_retry = 12, + dns_resstatscounter_gluefetchv4 = 13, + dns_resstatscounter_gluefetchv6 = 14, + dns_resstatscounter_gluefetchv4fail = 15, + dns_resstatscounter_gluefetchv6fail = 16, + dns_resstatscounter_val = 17, + dns_resstatscounter_valsuccess = 18, + dns_resstatscounter_valnegsuccess = 19, + dns_resstatscounter_valfail = 20, + dns_resstatscounter_dispabort = 21, + dns_resstatscounter_dispsockfail = 22, + dns_resstatscounter_querytimeout = 23, + dns_resstatscounter_queryrtt0 = 24, + dns_resstatscounter_queryrtt1 = 25, + dns_resstatscounter_queryrtt2 = 26, + dns_resstatscounter_queryrtt3 = 27, + dns_resstatscounter_queryrtt4 = 28, + dns_resstatscounter_queryrtt5 = 29, + dns_resstatscounter_nfetch = 30, + dns_resstatscounter_disprequdp = 31, + dns_resstatscounter_dispreqtcp = 32, + dns_resstatscounter_buckets = 33, + dns_resstatscounter_refused = 34, + dns_resstatscounter_cookienew = 35, + dns_resstatscounter_cookieout = 36, + dns_resstatscounter_cookiein = 37, + dns_resstatscounter_cookieok = 38, + dns_resstatscounter_badvers = 39, + dns_resstatscounter_badcookie = 40, + dns_resstatscounter_zonequota = 41, + dns_resstatscounter_serverquota = 42, + dns_resstatscounter_nextitem = 43, + dns_resstatscounter_max = 44, + + /* + * DNSSEC stats. + */ + dns_dnssecstats_asis = 0, + dns_dnssecstats_downcase = 1, + dns_dnssecstats_wildcard = 2, + dns_dnssecstats_fail = 3, + + dns_dnssecstats_max = 4, + + /*% + * Zone statistics counters. + */ + dns_zonestatscounter_notifyoutv4 = 0, + dns_zonestatscounter_notifyoutv6 = 1, + dns_zonestatscounter_notifyinv4 = 2, + dns_zonestatscounter_notifyinv6 = 3, + dns_zonestatscounter_notifyrej = 4, + dns_zonestatscounter_soaoutv4 = 5, + dns_zonestatscounter_soaoutv6 = 6, + dns_zonestatscounter_axfrreqv4 = 7, + dns_zonestatscounter_axfrreqv6 = 8, + dns_zonestatscounter_ixfrreqv4 = 9, + dns_zonestatscounter_ixfrreqv6 = 10, + dns_zonestatscounter_xfrsuccess = 11, + dns_zonestatscounter_xfrfail = 12, + + dns_zonestatscounter_max = 13, + + /* + * Adb statistics values. + */ + dns_adbstats_nentries = 0, + dns_adbstats_entriescnt = 1, + dns_adbstats_nnames = 2, + dns_adbstats_namescnt = 3, + + dns_adbstats_max = 4, + + /* + * Cache statistics values. + */ + dns_cachestatscounter_hits = 1, + dns_cachestatscounter_misses = 2, + dns_cachestatscounter_queryhits = 3, + dns_cachestatscounter_querymisses = 4, + dns_cachestatscounter_deletelru = 5, + dns_cachestatscounter_deletettl = 6, + + dns_cachestatscounter_max = 7, + + /*% + * Query statistics counters (obsolete). + */ + dns_statscounter_success = 0, /*%< Successful lookup */ + dns_statscounter_referral = 1, /*%< Referral result */ + dns_statscounter_nxrrset = 2, /*%< NXRRSET result */ + dns_statscounter_nxdomain = 3, /*%< NXDOMAIN result */ + dns_statscounter_recursion = 4, /*%< Recursion was used */ + dns_statscounter_failure = 5, /*%< Some other failure */ + dns_statscounter_duplicate = 6, /*%< Duplicate query */ + dns_statscounter_dropped = 7, /*%< Duplicate query (dropped) */ + + /*% + * DNSTAP statistics counters. + */ + dns_dnstapcounter_success = 0, + dns_dnstapcounter_drop = 1, + dns_dnstapcounter_max = 2 +}; + +#define DNS_STATS_NCOUNTERS 8 + +#if 0 +/*%< + * Flag(s) for dns_xxxstats_dump(). DNS_STATSDUMP_VERBOSE is obsolete. + * ISC_STATSDUMP_VERBOSE should be used instead. These two values are + * intentionally defined to be the same value to ensure binary compatibility. + */ +#define DNS_STATSDUMP_VERBOSE 0x00000001 /*%< dump 0-value counters */ +#endif + +/*%< + * (Obsoleted) + */ +LIBDNS_EXTERNAL_DATA extern const char *dns_statscounter_names[]; + +/*% + * Attributes for statistics counters of RRset and Rdatatype types. + * + * _OTHERTYPE + * The rdata type is not explicitly supported and the corresponding counter + * is counted for other such types, too. When this attribute is set, + * the base type is of no use. + * + * _NXRRSET + * RRset type counters only. Indicates the RRset is non existent. + * + * _NXDOMAIN + * RRset type counters only. Indicates a non existent name. When this + * attribute is set, the base type is of no use. + * + * _STALE + * RRset type counters only. This indicates a record that marked for + * removal. + * + * Note: incrementing _STALE will decrement the corresponding non-stale + * counter. + */ +#define DNS_RDATASTATSTYPE_ATTR_OTHERTYPE 0x0001 +#define DNS_RDATASTATSTYPE_ATTR_NXRRSET 0x0002 +#define DNS_RDATASTATSTYPE_ATTR_NXDOMAIN 0x0004 +#define DNS_RDATASTATSTYPE_ATTR_STALE 0x0008 + +/*%< + * Conversion macros among dns_rdatatype_t, attributes and isc_statscounter_t. + */ +#define DNS_RDATASTATSTYPE_BASE(type) ((dns_rdatatype_t)((type) & 0xFFFF)) +#define DNS_RDATASTATSTYPE_ATTR(type) ((type) >> 16) +#define DNS_RDATASTATSTYPE_VALUE(b, a) (((a) << 16) | (b)) + +/*%< + * Types of dump callbacks. + */ +typedef void (*dns_generalstats_dumper_t)(isc_statscounter_t, uint64_t, + void *); +typedef void (*dns_rdatatypestats_dumper_t)(dns_rdatastatstype_t, uint64_t, + void *); +typedef void (*dns_opcodestats_dumper_t)(dns_opcode_t, uint64_t, void *); + +typedef void (*dns_rcodestats_dumper_t)(dns_rcode_t, uint64_t, void *); + +ISC_LANG_BEGINDECLS + +isc_result_t +dns_generalstats_create(isc_mem_t *mctx, dns_stats_t **statsp, int ncounters); +/*%< + * Create a statistics counter structure of general type. It counts a general + * set of counters indexed by an ID between 0 and ncounters -1. + * This function is obsolete. A more general function, isc_stats_create(), + * should be used. + * + * Requires: + *\li 'mctx' must be a valid memory context. + * + *\li 'statsp' != NULL && '*statsp' == NULL. + * + * Returns: + *\li ISC_R_SUCCESS -- all ok + * + *\li anything else -- failure + */ + +isc_result_t +dns_rdatatypestats_create(isc_mem_t *mctx, dns_stats_t **statsp); +/*%< + * Create a statistics counter structure per rdatatype. + * + * Requires: + *\li 'mctx' must be a valid memory context. + * + *\li 'statsp' != NULL && '*statsp' == NULL. + * + * Returns: + *\li ISC_R_SUCCESS -- all ok + * + *\li anything else -- failure + */ + +isc_result_t +dns_rdatasetstats_create(isc_mem_t *mctx, dns_stats_t **statsp); +/*%< + * Create a statistics counter structure per RRset. + * + * Requires: + *\li 'mctx' must be a valid memory context. + * + *\li 'statsp' != NULL && '*statsp' == NULL. + * + * Returns: + *\li ISC_R_SUCCESS -- all ok + * + *\li anything else -- failure + */ + +isc_result_t +dns_opcodestats_create(isc_mem_t *mctx, dns_stats_t **statsp); +/*%< + * Create a statistics counter structure per opcode. + * + * Requires: + *\li 'mctx' must be a valid memory context. + * + *\li 'statsp' != NULL && '*statsp' == NULL. + * + * Returns: + *\li ISC_R_SUCCESS -- all ok + * + *\li anything else -- failure + */ + +isc_result_t +dns_rcodestats_create(isc_mem_t *mctx, dns_stats_t **statsp); +/*%< + * Create a statistics counter structure per assigned rcode. + * + * Requires: + *\li 'mctx' must be a valid memory context. + * + *\li 'statsp' != NULL && '*statsp' == NULL. + * + * Returns: + *\li ISC_R_SUCCESS -- all ok + * + *\li anything else -- failure + */ + +void +dns_stats_attach(dns_stats_t *stats, dns_stats_t **statsp); +/*%< + * Attach to a statistics set. + * + * Requires: + *\li 'stats' is a valid dns_stats_t. + * + *\li 'statsp' != NULL && '*statsp' == NULL + */ + +void +dns_stats_detach(dns_stats_t **statsp); +/*%< + * Detaches from the statistics set. + * + * Requires: + *\li 'statsp' != NULL and '*statsp' is a valid dns_stats_t. + */ + +void +dns_generalstats_increment(dns_stats_t *stats, isc_statscounter_t counter); +/*%< + * Increment the counter-th counter of stats. This function is obsolete. + * A more general function, isc_stats_increment(), should be used. + * + * Requires: + *\li 'stats' is a valid dns_stats_t created by dns_generalstats_create(). + * + *\li counter is less than the maximum available ID for the stats specified + * on creation. + */ + +void +dns_rdatatypestats_increment(dns_stats_t *stats, dns_rdatatype_t type); +/*%< + * Increment the statistics counter for 'type'. + * + * Requires: + *\li 'stats' is a valid dns_stats_t created by dns_rdatatypestats_create(). + */ + +void +dns_rdatasetstats_increment(dns_stats_t *stats, dns_rdatastatstype_t rrsettype); +/*%< + * Increment the statistics counter for 'rrsettype'. + * + * Note: if 'rrsettype' has the _STALE attribute set the corresponding + * non-stale counter will be decremented. + * + * Requires: + *\li 'stats' is a valid dns_stats_t created by dns_rdatasetstats_create(). + */ + +void +dns_rdatasetstats_decrement(dns_stats_t *stats, dns_rdatastatstype_t rrsettype); +/*%< + * Decrement the statistics counter for 'rrsettype'. + * + * Requires: + *\li 'stats' is a valid dns_stats_t created by dns_rdatasetstats_create(). + */ + +void +dns_opcodestats_increment(dns_stats_t *stats, dns_opcode_t code); +/*%< + * Increment the statistics counter for 'code'. + * + * Requires: + *\li 'stats' is a valid dns_stats_t created by dns_opcodestats_create(). + */ + +void +dns_rcodestats_increment(dns_stats_t *stats, dns_opcode_t code); +/*%< + * Increment the statistics counter for 'code'. + * + * Requires: + *\li 'stats' is a valid dns_stats_t created by dns_rcodestats_create(). + */ + +void +dns_generalstats_dump(dns_stats_t *stats, dns_generalstats_dumper_t dump_fn, + void *arg, unsigned int options); +/*%< + * Dump the current statistics counters in a specified way. For each counter + * in stats, dump_fn is called with its current value and the given argument + * arg. By default counters that have a value of 0 is skipped; if options has + * the ISC_STATSDUMP_VERBOSE flag, even such counters are dumped. + * + * This function is obsolete. A more general function, isc_stats_dump(), + * should be used. + * + * Requires: + *\li 'stats' is a valid dns_stats_t created by dns_generalstats_create(). + */ + +void +dns_rdatatypestats_dump(dns_stats_t *stats, dns_rdatatypestats_dumper_t dump_fn, + void *arg, unsigned int options); +/*%< + * Dump the current statistics counters in a specified way. For each counter + * in stats, dump_fn is called with the corresponding type in the form of + * dns_rdatastatstype_t, the current counter value and the given argument + * arg. By default counters that have a value of 0 is skipped; if options has + * the ISC_STATSDUMP_VERBOSE flag, even such counters are dumped. + * + * Requires: + *\li 'stats' is a valid dns_stats_t created by dns_generalstats_create(). + */ + +void +dns_rdatasetstats_dump(dns_stats_t *stats, dns_rdatatypestats_dumper_t dump_fn, + void *arg, unsigned int options); +/*%< + * Dump the current statistics counters in a specified way. For each counter + * in stats, dump_fn is called with the corresponding type in the form of + * dns_rdatastatstype_t, the current counter value and the given argument + * arg. By default counters that have a value of 0 is skipped; if options has + * the ISC_STATSDUMP_VERBOSE flag, even such counters are dumped. + * + * Requires: + *\li 'stats' is a valid dns_stats_t created by dns_generalstats_create(). + */ + +void +dns_opcodestats_dump(dns_stats_t *stats, dns_opcodestats_dumper_t dump_fn, + void *arg, unsigned int options); +/*%< + * Dump the current statistics counters in a specified way. For each counter + * in stats, dump_fn is called with the corresponding opcode, the current + * counter value and the given argument arg. By default counters that have a + * value of 0 is skipped; if options has the ISC_STATSDUMP_VERBOSE flag, even + * such counters are dumped. + * + * Requires: + *\li 'stats' is a valid dns_stats_t created by dns_generalstats_create(). + */ + +void +dns_rcodestats_dump(dns_stats_t *stats, dns_rcodestats_dumper_t dump_fn, + void *arg, unsigned int options); +/*%< + * Dump the current statistics counters in a specified way. For each counter + * in stats, dump_fn is called with the corresponding rcode, the current + * counter value and the given argument arg. By default counters that have a + * value of 0 is skipped; if options has the ISC_STATSDUMP_VERBOSE flag, even + * such counters are dumped. + * + * Requires: + *\li 'stats' is a valid dns_stats_t created by dns_generalstats_create(). + */ + +isc_result_t +dns_stats_alloccounters(isc_mem_t *mctx, uint64_t **ctrp); +/*%< + * Allocate an array of query statistics counters from the memory + * context 'mctx'. + * + * This function is obsoleted. Use dns_xxxstats_create() instead. + */ + +void +dns_stats_freecounters(isc_mem_t *mctx, uint64_t **ctrp); +/*%< + * Free an array of query statistics counters allocated from the memory + * context 'mctx'. + * + * This function is obsoleted. Use dns_stats_destroy() instead. + */ + +ISC_LANG_ENDDECLS + +#endif /* DNS_STATS_H */ |