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

90 lines
2.6 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_H
#define _TD_LIBS_SYNC_RAFT_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include "sync.h"
#include "syncMessage.h"
#include "taosdef.h"
typedef struct SRaftId {
SyncNodeId addr;
SyncGroupId vgId;
} SRaftId;
typedef struct SRaft {
SRaftId id;
SSyncFSM* pFsm;
int32_t (*FpPing)(struct SRaft* ths, const RaftPing* pMsg);
int32_t (*FpOnPing)(struct SRaft* ths, RaftPing* pMsg);
int32_t (*FpOnPingReply)(struct SRaft* ths, RaftPingReply* pMsg);
int32_t (*FpRequestVote)(struct SRaft* ths, const RaftRequestVote* pMsg);
int32_t (*FpOnRequestVote)(struct SRaft* ths, RaftRequestVote* pMsg);
int32_t (*FpOnRequestVoteReply)(struct SRaft* ths, RaftRequestVoteReply* pMsg);
int32_t (*FpAppendEntries)(struct SRaft* ths, const RaftAppendEntries* pMsg);
int32_t (*FpOnAppendEntries)(struct SRaft* ths, RaftAppendEntries* pMsg);
int32_t (*FpOnAppendEntriesReply)(struct SRaft* ths, RaftAppendEntriesReply* pMsg);
} SRaft;
SRaft* raftOpen(SRaftId raftId, SSyncFSM* pFsm);
void raftClose(SRaft* pRaft);
static int32_t doRaftPing(struct SRaft* ths, const RaftPing* pMsg);
static int32_t onRaftPing(struct SRaft* ths, RaftPing* pMsg);
static int32_t onRaftPingReply(struct SRaft* ths, RaftPingReply* pMsg);
static int32_t doRaftRequestVote(struct SRaft* ths, const RaftRequestVote* pMsg);
static int32_t onRaftRequestVote(struct SRaft* ths, RaftRequestVote* pMsg);
static int32_t onRaftRequestVoteReply(struct SRaft* ths, RaftRequestVoteReply* pMsg);
static int32_t doRaftAppendEntries(struct SRaft* ths, const RaftAppendEntries* pMsg);
static int32_t onRaftAppendEntries(struct SRaft* ths, RaftAppendEntries* pMsg);
static int32_t onRaftAppendEntriesReply(struct SRaft* ths, RaftAppendEntriesReply* pMsg);
int32_t raftPropose(SRaft* pRaft, const SSyncBuffer* pBuf, bool isWeak);
static int raftSendMsg(SRaftId destRaftId, const void* pMsg, const SRaft* pRaft);
#ifdef __cplusplus
}
#endif
#endif /*_TD_LIBS_SYNC_RAFT_H*/