homework-jianmu/source/dnode/mnode/impl/inc/mndSubscribe.h

44 lines
1.4 KiB
C

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), 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.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _TD_MND_SUBSCRIBE_H_
#define _TD_MND_SUBSCRIBE_H_
#include "mndInt.h"
#ifdef __cplusplus
extern "C" {
#endif
int32_t mndInitSubscribe(SMnode *pMnode);
void mndCleanupSubscribe(SMnode *pMnode);
int32_t mndGetGroupNumByTopic(SMnode *pMnode, const char *topicName);
int32_t mndAcquireSubscribeByKey(SMnode *pMnode, const char *key, SMqSubscribeObj** pSub);
void mndReleaseSubscribe(SMnode *pMnode, SMqSubscribeObj *pSub);
int32_t mndDropSubByTopic(SMnode *pMnode, STrans *pTrans, const char *topic, bool force);
int32_t mndSetDropSubCommitLogs(SMnode *pMnode, STrans *pTrans, SMqSubscribeObj *pSub);
bool mndRebTryStart();
void mndRebCntInc();
void mndRebCntDec();
#ifdef __cplusplus
}
#endif
#endif /*_TD_MND_SUBSCRIBE_H_*/