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Diffstat (limited to '')
| -rw-r--r-- | runtime/dynstats.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/runtime/dynstats.h b/runtime/dynstats.h new file mode 100644 index 0000000..a8986f4 --- /dev/null +++ b/runtime/dynstats.h @@ -0,0 +1,83 @@ +/* + * 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 */ |