homework-jianmu/source/libs/sync/inc/syncRaftStore.h

63 lines
1.6 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_LIBS_SYNC_RAFT_STORE_H
#define _TD_LIBS_SYNC_RAFT_STORE_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include "cJSON.h"
#include "syncInt.h"
#include "syncRaft.h"
#include "taosdef.h"
#define RAFT_STORE_BLOCK_SIZE 512
#define RAFT_STORE_PATH_LEN 128
typedef struct SRaftStore {
SyncTerm currentTerm;
SRaftId voteFor;
FileFd fd;
char path[RAFT_STORE_PATH_LEN];
} SRaftStore;
SRaftStore *raftStoreOpen(const char *path);
static int32_t raftStoreInit(SRaftStore *pRaftStore);
int32_t raftStoreClose(SRaftStore *pRaftStore);
int32_t raftStorePersist(SRaftStore *pRaftStore);
static bool raftStoreFileExist(char *path);
int32_t raftStoreSerialize(SRaftStore *pRaftStore, char *buf, size_t len);
int32_t raftStoreDeserialize(SRaftStore *pRaftStore, char *buf, size_t len);
void raftStorePrint(SRaftStore *pRaftStore);
#ifdef __cplusplus
}
#endif
#endif /*_TD_LIBS_SYNC_RAFT_STORE_H*/