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author | Ashlee Young <ashlee@onosfw.com> | 2015-09-09 22:21:41 -0700 |
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committer | Ashlee Young <ashlee@onosfw.com> | 2015-09-09 22:21:41 -0700 |
commit | 8879b125d26e8db1a5633de5a9c692eb2d1c4f83 (patch) | |
tree | c7259d85a991b83dfa85ab2e339360669fc1f58e /framework/src/suricata/src/counters.h | |
parent | 13d05bc8458758ee39cb829098241e89616717ee (diff) |
suricata checkin based on commit id a4bce14770beee46a537eda3c3f6e8e8565d5d0a
Change-Id: I9a214fa0ee95e58fc640e50bd604dac7f42db48f
Diffstat (limited to 'framework/src/suricata/src/counters.h')
-rw-r--r-- | framework/src/suricata/src/counters.h | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/framework/src/suricata/src/counters.h b/framework/src/suricata/src/counters.h new file mode 100644 index 00000000..023d15aa --- /dev/null +++ b/framework/src/suricata/src/counters.h @@ -0,0 +1,150 @@ +/* Copyright (C) 2007-2015 Open Information Security Foundation + * + * You can copy, redistribute or modify this Program under the terms of + * the GNU General Public License version 2 as published by the Free + * Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * version 2 along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +/** + * \file + * + * \author Anoop Saldanha <anoopsaldanha@gmail.com> + * \author Victor Julien <victor@inliniac.net> + */ + +#ifndef __COUNTERS_H__ +#define __COUNTERS_H__ + +/* forward declaration of the ThreadVars structure */ +struct ThreadVars_; + +/** + * \brief Container to hold the counter variable + */ +typedef struct StatsCounter_ { + int type; + + /* local id for this counter in this thread */ + uint16_t id; + + /* global id, used in output */ + uint16_t gid; + + /* counter value(s): copies from the 'private' counter */ + uint64_t value; /**< sum of updates/increments, or 'set' value */ + uint64_t updates; /**< number of updates (for avg) */ + + /* when using type STATS_TYPE_Q_FUNC this function is called once + * to get the counter value, regardless of how many threads there are. */ + uint64_t (*Func)(void); + + /* name of the counter */ + const char *name; + + /* the next perfcounter for this tv's tm instance */ + struct StatsCounter_ *next; +} StatsCounter; + +/** + * \brief Stats Context for a ThreadVars instance + */ +typedef struct StatsPublicThreadContext_ { + /* flag set by the wakeup thread, to inform the client threads to sync */ + uint32_t perf_flag; + + /* pointer to the head of a list of counters assigned under this context */ + StatsCounter *head; + + /* holds the total no of counters already assigned for this perf context */ + uint16_t curr_id; + + /* mutex to prevent simultaneous access during update_counter/output_stat */ + SCMutex m; +} StatsPublicThreadContext; + +/** + * \brief Storage for local counters, with a link to the public counter used + * for syncs + */ +typedef struct StatsLocalCounter_ { + /* pointer to the counter that corresponds to this local counter */ + StatsCounter *pc; + + /* local counter id of the above counter */ + uint16_t id; + + /* total value of the adds/increments, or exact value in case of 'set' */ + uint64_t value; + + /* no of times the local counter has been updated */ + uint64_t updates; +} StatsLocalCounter; + +/** + * \brief used to hold the private version of the counters registered + */ +typedef struct StatsPrivateThreadContext_ { + /* points to the array holding local counters */ + StatsLocalCounter *head; + + /* size of head array in elements */ + uint32_t size; + + int initialized; +} StatsPrivateThreadContext; + +/* the initialization functions */ +void StatsInit(void); +void StatsSetupPostConfig(void); +void StatsSpawnThreads(void); +void StatsRegisterTests(void); + +/* functions used to free the resources alloted by the Stats API */ +void StatsReleaseResources(void); + +/* counter registration functions */ +uint16_t StatsRegisterCounter(char *, struct ThreadVars_ *); +uint16_t StatsRegisterAvgCounter(char *, struct ThreadVars_ *); +uint16_t StatsRegisterMaxCounter(char *, struct ThreadVars_ *); +uint16_t StatsRegisterGlobalCounter(char *cname, uint64_t (*Func)(void)); + +/* functions used to update local counter values */ +void StatsAddUI64(struct ThreadVars_ *, uint16_t, uint64_t); +void StatsSetUI64(struct ThreadVars_ *, uint16_t, uint64_t); +void StatsIncr(struct ThreadVars_ *, uint16_t); + +/* utility functions */ +int StatsUpdateCounterArray(StatsPrivateThreadContext *, StatsPublicThreadContext *); +uint64_t StatsGetLocalCounterValue(struct ThreadVars_ *, uint16_t); +int StatsSetupPrivate(struct ThreadVars_ *); +void StatsThreadCleanup(struct ThreadVars_ *); + +#define StatsSyncCounters(tv) \ + StatsUpdateCounterArray(&(tv)->perf_private_ctx, &(tv)->perf_public_ctx); \ + +#define StatsSyncCountersIfSignalled(tv) \ + do { \ + if ((tv)->perf_public_ctx.perf_flag == 1) { \ + StatsUpdateCounterArray(&(tv)->perf_private_ctx, \ + &(tv)->perf_public_ctx); \ + } \ + } while (0) + +#ifdef BUILD_UNIX_SOCKET +#include <jansson.h> +TmEcode StatsOutputCounterSocket(json_t *cmd, + json_t *answer, void *data); +#endif + +#endif /* __COUNTERS_H__ */ + |