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/*
* This file is part of the rsyslog runtime library.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
* -or-
* see COPYING.ASL20 in the source distribution
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef INCLUDED_DYNSTATS_H
#define INCLUDED_DYNSTATS_H
#include "hashtable.h"
typedef struct hashtable htable;
struct dynstats_ctr_s {
STATSCOUNTER_DEF(ctr, mutCtr);
ctr_t *pCtr;
uchar *metric;
/* linked list ptr */
struct dynstats_ctr_s *next;
struct dynstats_ctr_s *prev;
};
struct dynstats_bucket_s {
htable *table;
uchar *name;
pthread_rwlock_t lock;
statsobj_t *stats;
STATSCOUNTER_DEF(ctrOpsOverflow, mutCtrOpsOverflow);
ctr_t *pOpsOverflowCtr;
STATSCOUNTER_DEF(ctrNewMetricAdd, mutCtrNewMetricAdd);
ctr_t *pNewMetricAddCtr;
STATSCOUNTER_DEF(ctrNoMetric, mutCtrNoMetric);
ctr_t *pNoMetricCtr;
STATSCOUNTER_DEF(ctrMetricsPurged, mutCtrMetricsPurged);
ctr_t *pMetricsPurgedCtr;
STATSCOUNTER_DEF(ctrOpsIgnored, mutCtrOpsIgnored);
ctr_t *pOpsIgnoredCtr;
STATSCOUNTER_DEF(ctrPurgeTriggered, mutCtrPurgeTriggered);
ctr_t *pPurgeTriggeredCtr;
struct dynstats_bucket_s *next; /* linked list ptr */
struct dynstats_ctr_s *ctrs;
/*survivor objects are used to keep counter values around for upto unused-ttl duration,
so in case it is accessed within (ttl - 2 * ttl) time-period we can re-store the
accumulator value from this */
struct dynstats_ctr_s *survivor_ctrs;
htable *survivor_table;
uint32_t maxCardinality;
uint32_t metricCount;
pthread_mutex_t mutMetricCount;
uint32_t unusedMetricLife;
uint32_t lastResetTs;
struct timespec metricCleanupTimeout;
uint8_t resettable;
};
struct dynstats_buckets_s {
struct dynstats_bucket_s *list;
statsobj_t *global_stats;
pthread_rwlock_t lock;
uint8_t initialized;
};
rsRetVal dynstats_initCnf(dynstats_buckets_t *b);
rsRetVal dynstats_processCnf(struct cnfobj *o);
dynstats_bucket_t * dynstats_findBucket(const uchar* name);
rsRetVal dynstats_inc(dynstats_bucket_t *bucket, uchar* metric);
void dynstats_destroyAllBuckets(void);
void dynstats_resetExpired(void);
rsRetVal dynstatsClassInit(void);
#endif /* #ifndef INCLUDED_DYNSTATS_H */
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