#include <config.h>#include <string.h>#include <isc/atomic.h>#include <isc/buffer.h>#include <isc/magic.h>#include <isc/mem.h>#include <isc/platform.h>#include <isc/print.h>#include <isc/rwlock.h>#include <isc/stats.h>#include <isc/util.h>Go to the source code of this file.
Data Structures | |
| struct | isc_stats |
Defines | |
| #define | ISC_STATS_MAGIC ISC_MAGIC('S', 't', 'a', 't') |
| #define | ISC_STATS_VALID(x) ISC_MAGIC_VALID(x, ISC_STATS_MAGIC) |
| #define | ISC_STATS_USEMULTIFIELDS 0 |
Typedefs | |
| typedef isc_uint64_t | isc_stat_t |
Functions | |
| static isc_result_t | create_stats (isc_mem_t *mctx, int ncounters, isc_stats_t **statsp) |
| void | isc_stats_attach (isc_stats_t *stats, isc_stats_t **statsp) |
| Attach to a statistics set. | |
| void | isc_stats_detach (isc_stats_t **statsp) |
| Detaches from the statistics set. | |
| int | isc_stats_ncounters (isc_stats_t *stats) |
| Returns the number of counters contained in stats. | |
| static void | incrementcounter (isc_stats_t *stats, int counter) |
| static void | decrementcounter (isc_stats_t *stats, int counter) |
| static void | copy_counters (isc_stats_t *stats) |
| isc_result_t | isc_stats_create (isc_mem_t *mctx, isc_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. | |
| void | isc_stats_increment (isc_stats_t *stats, isc_statscounter_t counter) |
| Increment the counter-th counter of stats. | |
| void | isc_stats_decrement (isc_stats_t *stats, isc_statscounter_t counter) |
| Decrement the counter-th counter of stats. | |
| void | isc_stats_dump (isc_stats_t *stats, isc_stats_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. | |
| void | isc_stats_set (isc_stats_t *stats, isc_uint64_t val, isc_statscounter_t counter) |
| Set the given counter to the specfied value. | |
Definition in file stats.c.
| #define ISC_STATS_MAGIC ISC_MAGIC('S', 't', 'a', 't') |
| #define ISC_STATS_VALID | ( | x | ) | ISC_MAGIC_VALID(x, ISC_STATS_MAGIC) |
Definition at line 36 of file stats.c.
Referenced by isc_stats_attach(), isc_stats_decrement(), isc_stats_detach(), isc_stats_dump(), isc_stats_increment(), isc_stats_ncounters(), and isc_stats_set().
| typedef isc_uint64_t isc_stat_t |
| static isc_result_t create_stats | ( | isc_mem_t * | mctx, | |
| int | ncounters, | |||
| isc_stats_t ** | statsp | |||
| ) | [static] |
Definition at line 88 of file stats.c.
References isc_stats::copiedcounters, isc_stats::counters, DESTROYLOCK, isc_mem_attach(), isc_mem_get, isc_mem_put, isc_mutex_init, ISC_R_NOMEMORY, ISC_R_SUCCESS, isc_rwlock_init(), ISC_STATS_MAGIC, isc_stats::lock, isc_stats::magic, isc_stats::mctx, isc_stats::ncounters, isc_stats::references, and REQUIRE.
Referenced by dns_generalstats_create(), dns_opcodestats_create(), dns_rdatasetstats_create(), dns_rdatatypestats_create(), and isc_stats_create().
| void isc_stats_attach | ( | isc_stats_t * | stats, | |
| isc_stats_t ** | statsp | |||
| ) |
Attach to a statistics set.
Requires:
Definition at line 150 of file stats.c.
References ISC_STATS_VALID, isc_stats::lock, LOCK, isc_stats::references, REQUIRE, and UNLOCK.
Referenced by dns_dispatchmgr_setstats(), dns_view_getadbstats(), dns_view_getresstats(), dns_view_setadbstats(), dns_view_setresstats(), and setcachestats().
| void isc_stats_detach | ( | isc_stats_t ** | statsp | ) |
Detaches from the statistics set.
Requires:
Definition at line 162 of file stats.c.
References isc_stats::copiedcounters, isc_stats::counters, DESTROYLOCK, isc_mem_put, isc_mem_putanddetach, isc_rwlock_destroy(), ISC_STATS_VALID, isc_stats::lock, LOCK, isc_stats::mctx, isc_stats::ncounters, isc_stats::references, REQUIRE, and UNLOCK.
Referenced by cache_free(), configure_view(), destroy(), destroy_mgr(), dns_cache_create3(), dns_stats_detach(), free_rbtdb(), ns_server_destroy(), ns_zone_configure(), setquerystats(), and zone_free().
| int isc_stats_ncounters | ( | isc_stats_t * | stats | ) |
Returns the number of counters contained in stats.
Requires:
Definition at line 191 of file stats.c.
References ISC_STATS_VALID, isc_stats::ncounters, and REQUIRE.
| static void incrementcounter | ( | isc_stats_t * | stats, | |
| int | counter | |||
| ) | [inline, static] |
Definition at line 198 of file stats.c.
References isc_stats::counters, isc_rwlock_lock(), isc_rwlock_unlock(), isc_rwlocktype_read, and UNUSED.
Referenced by isc_stats_increment().
| static void decrementcounter | ( | isc_stats_t * | stats, | |
| int | counter | |||
| ) | [inline, static] |
Definition at line 236 of file stats.c.
References isc_stats::counters, isc_rwlock_lock(), isc_rwlock_unlock(), isc_rwlocktype_read, and UNUSED.
Referenced by isc_stats_decrement().
| static void copy_counters | ( | isc_stats_t * | stats | ) | [static] |
Definition at line 262 of file stats.c.
References isc_stats::copiedcounters, isc_stats::counters, isc_rwlock_lock(), isc_rwlock_unlock(), isc_rwlocktype_write, isc_stats::ncounters, and UNUSED.
Referenced by isc_stats_dump().
| isc_result_t isc_stats_create | ( | isc_mem_t * | mctx, | |
| isc_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.
Requires:
Definition at line 291 of file stats.c.
References create_stats(), and REQUIRE.
Referenced by configure_view(), create_stats(), dns_adb_create(), dns_cache_create3(), ns_server_create(), ns_zone_configure(), and setquerystats().
| void isc_stats_increment | ( | isc_stats_t * | stats, | |
| isc_statscounter_t | counter | |||
| ) |
Increment the counter-th counter of stats.
Requires:
Definition at line 298 of file stats.c.
References incrementcounter(), ISC_STATS_VALID, and REQUIRE.
Referenced by client_request(), client_send(), dns_cache_updatestats(), dns_generalstats_increment(), dns_opcodestats_increment(), dns_rdatatypestats_increment(), expire_header(), inc_adbstats(), inc_stat(), inc_stats(), ns_client_error(), process_opt(), query_prefetch(), query_recurse(), rpz_log_rewrite(), update_cachestats(), and update_rdatasetstats().
| void isc_stats_decrement | ( | isc_stats_t * | stats, | |
| isc_statscounter_t | counter | |||
| ) |
Decrement the counter-th counter of stats.
Requires:
Definition at line 306 of file stats.c.
References decrementcounter(), ISC_STATS_VALID, and REQUIRE.
Referenced by dec_adbstats(), dec_stats(), ns_client_endrequest(), query_recurse(), and update_rdatasetstats().
| void isc_stats_dump | ( | isc_stats_t * | stats, | |
| isc_stats_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.
Requires:
Definition at line 314 of file stats.c.
References isc_stats::copiedcounters, copy_counters(), ISC_STATS_VALID, ISC_STATSDUMP_VERBOSE, isc_stats::ncounters, and REQUIRE.
Referenced by dns_generalstats_dump(), dns_opcodestats_dump(), dns_rdatasetstats_dump(), dns_rdatatypestats_dump(), dump_counters(), and getcounters().
| void isc_stats_set | ( | isc_stats_t * | stats, | |
| isc_uint64_t | val, | |||
| isc_statscounter_t | counter | |||
| ) |
Set the given counter to the specfied value.
Requires:
Definition at line 332 of file stats.c.
References isc_stats::counters, isc_rwlock_lock(), isc_rwlock_unlock(), isc_rwlocktype_write, ISC_STATS_VALID, and REQUIRE.
Referenced by dns_resolver_create(), and set_adbstat().