homework-jianmu/include/server/vnode/tq/tq.h

60 lines
1.3 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_TQ_H_
#define _TD_TQ_H_
#include "os.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct tqTopicVhandle {
//name
//
//executor for filter
//
//callback for mnode
//
} tqTopic;
typedef struct STQ {
//the set for topics
//key=topicName: str
//value=tqTopicVhandle
//a map
//key=<topic: str, cgId: int64_t>
//value=consumeOffset: int64_t
} STQ;
//init in each vnode
STQ* tqInit(void* ref_func(void*), void* unref_func(void*));
void tqCleanUp(STQ*);
//void* will be replace by a msg type
int tqPushMsg(STQ*, void* msg, int64_t version);
int tqCommit(STQ*);
//void* will be replace by a msg type
int tqHandleMsg(STQ*, void* msg);
#ifdef __cplusplus
}
#endif
#endif /*_TD_TQ_H_*/