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Diffstat (limited to 'runtime/ratelimit.h')
-rw-r--r-- | runtime/ratelimit.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/runtime/ratelimit.h b/runtime/ratelimit.h new file mode 100644 index 0000000..bb45e79 --- /dev/null +++ b/runtime/ratelimit.h @@ -0,0 +1,55 @@ +/* header for ratelimit.c + * + * Copyright 2012-2016 Adiscon GmbH. + * + * 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_RATELIMIT_H +#define INCLUDED_RATELIMIT_H + +struct ratelimit_s { + char *name; /**< rate limiter name, e.g. for user messages */ + /* support for Linux kernel-type ratelimiting */ + unsigned int interval; + unsigned int burst; + intTiny severity; /**< ratelimit only equal or lower severity levels (eq or higher values) */ + unsigned done; + unsigned missed; + time_t begin; + /* support for "last message repeated n times */ + unsigned nsupp; /**< nbr of msgs suppressed */ + smsg_t *pMsg; + sbool bThreadSafe; /**< do we need to operate in Thread-Safe mode? */ + sbool bNoTimeCache; /**< if we shall not used cached reception time */ + pthread_mutex_t mut; /**< mutex if thread-safe operation desired */ +}; + +/* prototypes */ +rsRetVal ratelimitNew(ratelimit_t **ppThis, const char *modname, const char *dynname); +void ratelimitSetThreadSafe(ratelimit_t *ratelimit); +void ratelimitSetLinuxLike(ratelimit_t *ratelimit, unsigned int interval, unsigned int burst); +void ratelimitSetNoTimeCache(ratelimit_t *ratelimit); +void ratelimitSetSeverity(ratelimit_t *ratelimit, intTiny severity); +rsRetVal ratelimitMsgCount(ratelimit_t *ratelimit, time_t tt, const char* const appname); +rsRetVal ratelimitMsg(ratelimit_t *ratelimit, smsg_t *pMsg, smsg_t **ppRep); +rsRetVal ratelimitAddMsg(ratelimit_t *ratelimit, multi_submit_t *pMultiSub, smsg_t *pMsg); +void ratelimitDestruct(ratelimit_t *pThis); +int ratelimitChecked(ratelimit_t *ratelimit); +rsRetVal ratelimitModInit(void); +void ratelimitModExit(void); + +#endif /* #ifndef INCLUDED_RATELIMIT_H */ |