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

87 lines
3.1 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_VOTG_MGR_H
#define _TD_LIBS_SYNC_VOTG_MGR_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include "syncInt.h"
#include "syncMessage.h"
#include "syncUtil.h"
#include "taosdef.h"
// SVotesGranted -----------------------------
typedef struct SVotesGranted {
SRaftId (*replicas)[TSDB_MAX_REPLICA];
bool isGranted[TSDB_MAX_REPLICA];
int32_t replicaNum;
int32_t votes;
SyncTerm term;
int32_t quorum;
bool toLeader;
SSyncNode *pSyncNode;
} SVotesGranted;
SVotesGranted *voteGrantedCreate(SSyncNode *pSyncNode);
void voteGrantedDestroy(SVotesGranted *pVotesGranted);
void voteGrantedUpdate(SVotesGranted *pVotesGranted, SSyncNode *pSyncNode);
bool voteGrantedMajority(SVotesGranted *pVotesGranted);
void voteGrantedVote(SVotesGranted *pVotesGranted, SyncRequestVoteReply *pMsg);
void voteGrantedReset(SVotesGranted *pVotesGranted, SyncTerm term);
cJSON * voteGranted2Json(SVotesGranted *pVotesGranted);
char * voteGranted2Str(SVotesGranted *pVotesGranted);
// for debug -------------------
void voteGrantedPrint(SVotesGranted *pObj);
void voteGrantedPrint2(char *s, SVotesGranted *pObj);
void voteGrantedLog(SVotesGranted *pObj);
void voteGrantedLog2(char *s, SVotesGranted *pObj);
// SVotesRespond -----------------------------
typedef struct SVotesRespond {
SRaftId (*replicas)[TSDB_MAX_REPLICA];
bool isRespond[TSDB_MAX_REPLICA];
int32_t replicaNum;
SyncTerm term;
SSyncNode *pSyncNode;
} SVotesRespond;
SVotesRespond *votesRespondCreate(SSyncNode *pSyncNode);
void votesRespondDestory(SVotesRespond *pVotesRespond);
void votesRespondUpdate(SVotesRespond *pVotesRespond, SSyncNode *pSyncNode);
bool votesResponded(SVotesRespond *pVotesRespond, const SRaftId *pRaftId);
void votesRespondAdd(SVotesRespond *pVotesRespond, const SyncRequestVoteReply *pMsg);
void votesRespondReset(SVotesRespond *pVotesRespond, SyncTerm term);
cJSON * votesRespond2Json(SVotesRespond *pVotesRespond);
char * votesRespond2Str(SVotesRespond *pVotesRespond);
// for debug -------------------
void votesRespondPrint(SVotesRespond *pObj);
void votesRespondPrint2(char *s, SVotesRespond *pObj);
void votesRespondLog(SVotesRespond *pObj);
void votesRespondLog2(char *s, SVotesRespond *pObj);
#ifdef __cplusplus
}
#endif
#endif /*_TD_LIBS_SYNC_VOTG_MGR_H*/