48 lines
1.7 KiB
C
48 lines
1.7 KiB
C
/*
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* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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*
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* This program is free software: you can use, redistribute, and/or modify
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* it under the terms of the GNU Affero General Public License, version 3
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* or later ("AGPL"), as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _TD_MND_SUBSCRIBE_H_
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#define _TD_MND_SUBSCRIBE_H_
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#include "mndInt.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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int32_t mndInitSubscribe(SMnode *pMnode);
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void mndCleanupSubscribe(SMnode *pMnode);
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int32_t mndGetGroupNumByTopic(SMnode *pMnode, const char *topicName);
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SMqSubscribeObj *mndAcquireSubscribe(SMnode *pMnode, const char *CGroup, const char *topicName);
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SMqSubscribeObj *mndAcquireSubscribeByKey(SMnode *pMnode, const char *key);
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void mndReleaseSubscribe(SMnode *pMnode, SMqSubscribeObj *pSub);
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int32_t mndMakeSubscribeKey(char *key, const char *cgroup, const char *topicName);
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static FORCE_INLINE int32_t mndMakePartitionKey(char *key, const char *cgroup, const char *topicName, int32_t vgId) {
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return snprintf(key, TSDB_PARTITION_KEY_LEN, "%d:%s:%s", vgId, cgroup, topicName);
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}
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int32_t mndDropSubByDB(SMnode *pMnode, STrans *pTrans, SDbObj *pDb);
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int32_t mndDropSubByTopic(SMnode *pMnode, STrans *pTrans, const char *topic);
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int32_t mndSetDropSubCommitLogs(SMnode *pMnode, STrans *pTrans, SMqSubscribeObj *pSub);
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#ifdef __cplusplus
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}
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#endif
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#endif /*_TD_MND_SUBSCRIBE_H_*/
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