homework-jianmu/include/libs/sync/syncTools.h

531 lines
24 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_TOOLS_H
#define _TD_LIBS_SYNC_TOOLS_H
#ifdef __cplusplus
extern "C" {
#endif
#include "trpc.h"
// ------------------ ds -------------------
typedef struct SRaftId {
SyncNodeId addr;
SyncGroupId vgId;
} SRaftId;
// ------------------ control -------------------
SSyncNode* syncNodeAcquire(int64_t rid);
void syncNodeRelease(SSyncNode* pNode);
int32_t syncGetRespRpc(int64_t rid, uint64_t index, SRpcMsg* msg);
int32_t syncGetAndDelRespRpc(int64_t rid, uint64_t index, SRpcHandleInfo* pInfo);
void syncSetMsgCb(int64_t rid, const SMsgCb* msgcb);
char* sync2SimpleStr(int64_t rid);
// set timer ms
void setPingTimerMS(int64_t rid, int32_t pingTimerMS);
void setElectTimerMS(int64_t rid, int32_t electTimerMS);
void setHeartbeatTimerMS(int64_t rid, int32_t hbTimerMS);
// for compatibility, the same as syncPropose
int32_t syncForwardToPeer(int64_t rid, const SRpcMsg* pMsg, bool isWeak);
// utils
const char* syncUtilState2String(ESyncState state);
// ------------------ for debug -------------------
void syncRpcMsgPrint(SRpcMsg* pMsg);
void syncRpcMsgPrint2(char* s, SRpcMsg* pMsg);
void syncRpcMsgLog(SRpcMsg* pMsg);
void syncRpcMsgLog2(char* s, SRpcMsg* pMsg);
// ------------------ for compile -------------------
typedef struct SSyncBuffer {
void* data;
size_t len;
} SSyncBuffer;
typedef struct SNodesRole {
int32_t replicaNum;
SNodeInfo nodeInfo[TSDB_MAX_REPLICA];
ESyncState role[TSDB_MAX_REPLICA];
} SNodesRole;
typedef struct SStateMgr {
void* data;
int32_t (*getCurrentTerm)(struct SStateMgr* pMgr, SyncTerm* pCurrentTerm);
int32_t (*persistCurrentTerm)(struct SStateMgr* pMgr, SyncTerm pCurrentTerm);
int32_t (*getVoteFor)(struct SStateMgr* pMgr, SyncNodeId* pVoteFor);
int32_t (*persistVoteFor)(struct SStateMgr* pMgr, SyncNodeId voteFor);
int32_t (*getSyncCfg)(struct SStateMgr* pMgr, SSyncCfg* pSyncCfg);
int32_t (*persistSyncCfg)(struct SStateMgr* pMgr, SSyncCfg* pSyncCfg);
} SStateMgr;
// ------------------ for message process -------------------
// ---------------------------------------------
typedef struct SyncPing {
uint32_t bytes;
int32_t vgId;
uint32_t msgType;
SRaftId srcId;
SRaftId destId;
// private data
uint32_t dataLen;
char data[];
} SyncPing;
SyncPing* syncPingBuild(uint32_t dataLen);
SyncPing* syncPingBuild2(const SRaftId* srcId, const SRaftId* destId, int32_t vgId, const char* str);
SyncPing* syncPingBuild3(const SRaftId* srcId, const SRaftId* destId, int32_t vgId);
void syncPingDestroy(SyncPing* pMsg);
void syncPingSerialize(const SyncPing* pMsg, char* buf, uint32_t bufLen);
void syncPingDeserialize(const char* buf, uint32_t len, SyncPing* pMsg);
char* syncPingSerialize2(const SyncPing* pMsg, uint32_t* len);
SyncPing* syncPingDeserialize2(const char* buf, uint32_t len);
int32_t syncPingSerialize3(const SyncPing* pMsg, char* buf, int32_t bufLen);
SyncPing* syncPingDeserialize3(void* buf, int32_t bufLen);
void syncPing2RpcMsg(const SyncPing* pMsg, SRpcMsg* pRpcMsg);
void syncPingFromRpcMsg(const SRpcMsg* pRpcMsg, SyncPing* pMsg);
SyncPing* syncPingFromRpcMsg2(const SRpcMsg* pRpcMsg);
cJSON* syncPing2Json(const SyncPing* pMsg);
char* syncPing2Str(const SyncPing* pMsg);
// for debug ----------------------
void syncPingPrint(const SyncPing* pMsg);
void syncPingPrint2(char* s, const SyncPing* pMsg);
void syncPingLog(const SyncPing* pMsg);
void syncPingLog2(char* s, const SyncPing* pMsg);
// ---------------------------------------------
typedef struct SyncPingReply {
uint32_t bytes;
int32_t vgId;
uint32_t msgType;
SRaftId srcId;
SRaftId destId;
// private data
uint32_t dataLen;
char data[];
} SyncPingReply;
SyncPingReply* syncPingReplyBuild(uint32_t dataLen);
SyncPingReply* syncPingReplyBuild2(const SRaftId* srcId, const SRaftId* destId, int32_t vgId, const char* str);
SyncPingReply* syncPingReplyBuild3(const SRaftId* srcId, const SRaftId* destId, int32_t vgId);
void syncPingReplyDestroy(SyncPingReply* pMsg);
void syncPingReplySerialize(const SyncPingReply* pMsg, char* buf, uint32_t bufLen);
void syncPingReplyDeserialize(const char* buf, uint32_t len, SyncPingReply* pMsg);
char* syncPingReplySerialize2(const SyncPingReply* pMsg, uint32_t* len);
SyncPingReply* syncPingReplyDeserialize2(const char* buf, uint32_t len);
int32_t syncPingReplySerialize3(const SyncPingReply* pMsg, char* buf, int32_t bufLen);
SyncPingReply* syncPingReplyDeserialize3(void* buf, int32_t bufLen);
void syncPingReply2RpcMsg(const SyncPingReply* pMsg, SRpcMsg* pRpcMsg);
void syncPingReplyFromRpcMsg(const SRpcMsg* pRpcMsg, SyncPingReply* pMsg);
SyncPingReply* syncPingReplyFromRpcMsg2(const SRpcMsg* pRpcMsg);
cJSON* syncPingReply2Json(const SyncPingReply* pMsg);
char* syncPingReply2Str(const SyncPingReply* pMsg);
// for debug ----------------------
void syncPingReplyPrint(const SyncPingReply* pMsg);
void syncPingReplyPrint2(char* s, const SyncPingReply* pMsg);
void syncPingReplyLog(const SyncPingReply* pMsg);
void syncPingReplyLog2(char* s, const SyncPingReply* pMsg);
// ---------------------------------------------
typedef enum ESyncTimeoutType {
SYNC_TIMEOUT_PING = 100,
SYNC_TIMEOUT_ELECTION,
SYNC_TIMEOUT_HEARTBEAT,
} ESyncTimeoutType;
typedef struct SyncTimeout {
uint32_t bytes;
int32_t vgId;
uint32_t msgType;
ESyncTimeoutType timeoutType;
uint64_t logicClock;
int32_t timerMS;
void* data; // need optimized
} SyncTimeout;
SyncTimeout* syncTimeoutBuild();
SyncTimeout* syncTimeoutBuild2(ESyncTimeoutType timeoutType, uint64_t logicClock, int32_t timerMS, int32_t vgId,
void* data);
void syncTimeoutDestroy(SyncTimeout* pMsg);
void syncTimeoutSerialize(const SyncTimeout* pMsg, char* buf, uint32_t bufLen);
void syncTimeoutDeserialize(const char* buf, uint32_t len, SyncTimeout* pMsg);
char* syncTimeoutSerialize2(const SyncTimeout* pMsg, uint32_t* len);
SyncTimeout* syncTimeoutDeserialize2(const char* buf, uint32_t len);
void syncTimeout2RpcMsg(const SyncTimeout* pMsg, SRpcMsg* pRpcMsg);
void syncTimeoutFromRpcMsg(const SRpcMsg* pRpcMsg, SyncTimeout* pMsg);
SyncTimeout* syncTimeoutFromRpcMsg2(const SRpcMsg* pRpcMsg);
cJSON* syncTimeout2Json(const SyncTimeout* pMsg);
char* syncTimeout2Str(const SyncTimeout* pMsg);
// for debug ----------------------
void syncTimeoutPrint(const SyncTimeout* pMsg);
void syncTimeoutPrint2(char* s, const SyncTimeout* pMsg);
void syncTimeoutLog(const SyncTimeout* pMsg);
void syncTimeoutLog2(char* s, const SyncTimeout* pMsg);
// ---------------------------------------------
typedef struct SyncClientRequest {
uint32_t bytes;
int32_t vgId;
uint32_t msgType; // SyncClientRequest msgType
uint32_t originalRpcType; // user RpcMsg msgType
uint64_t seqNum;
bool isWeak;
uint32_t dataLen; // user RpcMsg.contLen
char data[]; // user RpcMsg.pCont
} SyncClientRequest;
SyncClientRequest* syncClientRequestBuild(uint32_t dataLen);
SyncClientRequest* syncClientRequestBuild2(const SRpcMsg* pOriginalRpcMsg, uint64_t seqNum, bool isWeak,
int32_t vgId); // step 1
void syncClientRequestDestroy(SyncClientRequest* pMsg);
void syncClientRequestSerialize(const SyncClientRequest* pMsg, char* buf, uint32_t bufLen);
void syncClientRequestDeserialize(const char* buf, uint32_t len, SyncClientRequest* pMsg);
char* syncClientRequestSerialize2(const SyncClientRequest* pMsg, uint32_t* len);
SyncClientRequest* syncClientRequestDeserialize2(const char* buf, uint32_t len);
void syncClientRequest2RpcMsg(const SyncClientRequest* pMsg, SRpcMsg* pRpcMsg); // step 2
void syncClientRequestFromRpcMsg(const SRpcMsg* pRpcMsg, SyncClientRequest* pMsg);
SyncClientRequest* syncClientRequestFromRpcMsg2(const SRpcMsg* pRpcMsg); // step 3
cJSON* syncClientRequest2Json(const SyncClientRequest* pMsg);
char* syncClientRequest2Str(const SyncClientRequest* pMsg);
// for debug ----------------------
void syncClientRequestPrint(const SyncClientRequest* pMsg);
void syncClientRequestPrint2(char* s, const SyncClientRequest* pMsg);
void syncClientRequestLog(const SyncClientRequest* pMsg);
void syncClientRequestLog2(char* s, const SyncClientRequest* pMsg);
// ---------------------------------------------
typedef struct SyncClientRequestReply {
uint32_t bytes;
int32_t vgId;
uint32_t msgType;
int32_t errCode;
SRaftId leaderHint;
} SyncClientRequestReply;
// ---------------------------------------------
typedef struct SyncRequestVote {
uint32_t bytes;
int32_t vgId;
uint32_t msgType;
SRaftId srcId;
SRaftId destId;
// private data
SyncTerm term;
SyncIndex lastLogIndex;
SyncTerm lastLogTerm;
} SyncRequestVote;
SyncRequestVote* syncRequestVoteBuild(int32_t vgId);
void syncRequestVoteDestroy(SyncRequestVote* pMsg);
void syncRequestVoteSerialize(const SyncRequestVote* pMsg, char* buf, uint32_t bufLen);
void syncRequestVoteDeserialize(const char* buf, uint32_t len, SyncRequestVote* pMsg);
char* syncRequestVoteSerialize2(const SyncRequestVote* pMsg, uint32_t* len);
SyncRequestVote* syncRequestVoteDeserialize2(const char* buf, uint32_t len);
void syncRequestVote2RpcMsg(const SyncRequestVote* pMsg, SRpcMsg* pRpcMsg);
void syncRequestVoteFromRpcMsg(const SRpcMsg* pRpcMsg, SyncRequestVote* pMsg);
SyncRequestVote* syncRequestVoteFromRpcMsg2(const SRpcMsg* pRpcMsg);
cJSON* syncRequestVote2Json(const SyncRequestVote* pMsg);
char* syncRequestVote2Str(const SyncRequestVote* pMsg);
// for debug ----------------------
void syncRequestVotePrint(const SyncRequestVote* pMsg);
void syncRequestVotePrint2(char* s, const SyncRequestVote* pMsg);
void syncRequestVoteLog(const SyncRequestVote* pMsg);
void syncRequestVoteLog2(char* s, const SyncRequestVote* pMsg);
// ---------------------------------------------
typedef struct SyncRequestVoteReply {
uint32_t bytes;
int32_t vgId;
uint32_t msgType;
SRaftId srcId;
SRaftId destId;
// private data
SyncTerm term;
bool voteGranted;
} SyncRequestVoteReply;
SyncRequestVoteReply* syncRequestVoteReplyBuild(int32_t vgId);
void syncRequestVoteReplyDestroy(SyncRequestVoteReply* pMsg);
void syncRequestVoteReplySerialize(const SyncRequestVoteReply* pMsg, char* buf, uint32_t bufLen);
void syncRequestVoteReplyDeserialize(const char* buf, uint32_t len, SyncRequestVoteReply* pMsg);
char* syncRequestVoteReplySerialize2(const SyncRequestVoteReply* pMsg, uint32_t* len);
SyncRequestVoteReply* syncRequestVoteReplyDeserialize2(const char* buf, uint32_t len);
void syncRequestVoteReply2RpcMsg(const SyncRequestVoteReply* pMsg, SRpcMsg* pRpcMsg);
void syncRequestVoteReplyFromRpcMsg(const SRpcMsg* pRpcMsg, SyncRequestVoteReply* pMsg);
SyncRequestVoteReply* syncRequestVoteReplyFromRpcMsg2(const SRpcMsg* pRpcMsg);
cJSON* syncRequestVoteReply2Json(const SyncRequestVoteReply* pMsg);
char* syncRequestVoteReply2Str(const SyncRequestVoteReply* pMsg);
// for debug ----------------------
void syncRequestVoteReplyPrint(const SyncRequestVoteReply* pMsg);
void syncRequestVoteReplyPrint2(char* s, const SyncRequestVoteReply* pMsg);
void syncRequestVoteReplyLog(const SyncRequestVoteReply* pMsg);
void syncRequestVoteReplyLog2(char* s, const SyncRequestVoteReply* pMsg);
// ---------------------------------------------
typedef struct SyncAppendEntries {
uint32_t bytes;
int32_t vgId;
uint32_t msgType;
SRaftId srcId;
SRaftId destId;
// private data
SyncTerm term;
SyncIndex prevLogIndex;
SyncTerm prevLogTerm;
SyncIndex commitIndex;
SyncTerm privateTerm;
uint32_t dataLen;
char data[];
} SyncAppendEntries;
SyncAppendEntries* syncAppendEntriesBuild(uint32_t dataLen, int32_t vgId);
void syncAppendEntriesDestroy(SyncAppendEntries* pMsg);
void syncAppendEntriesSerialize(const SyncAppendEntries* pMsg, char* buf, uint32_t bufLen);
void syncAppendEntriesDeserialize(const char* buf, uint32_t len, SyncAppendEntries* pMsg);
char* syncAppendEntriesSerialize2(const SyncAppendEntries* pMsg, uint32_t* len);
SyncAppendEntries* syncAppendEntriesDeserialize2(const char* buf, uint32_t len);
void syncAppendEntries2RpcMsg(const SyncAppendEntries* pMsg, SRpcMsg* pRpcMsg);
void syncAppendEntriesFromRpcMsg(const SRpcMsg* pRpcMsg, SyncAppendEntries* pMsg);
SyncAppendEntries* syncAppendEntriesFromRpcMsg2(const SRpcMsg* pRpcMsg);
cJSON* syncAppendEntries2Json(const SyncAppendEntries* pMsg);
char* syncAppendEntries2Str(const SyncAppendEntries* pMsg);
// for debug ----------------------
void syncAppendEntriesPrint(const SyncAppendEntries* pMsg);
void syncAppendEntriesPrint2(char* s, const SyncAppendEntries* pMsg);
void syncAppendEntriesLog(const SyncAppendEntries* pMsg);
void syncAppendEntriesLog2(char* s, const SyncAppendEntries* pMsg);
// ---------------------------------------------
typedef struct SyncAppendEntriesReply {
uint32_t bytes;
int32_t vgId;
uint32_t msgType;
SRaftId srcId;
SRaftId destId;
// private data
SyncTerm term;
SyncTerm privateTerm;
bool success;
SyncIndex matchIndex;
} SyncAppendEntriesReply;
SyncAppendEntriesReply* syncAppendEntriesReplyBuild(int32_t vgId);
void syncAppendEntriesReplyDestroy(SyncAppendEntriesReply* pMsg);
void syncAppendEntriesReplySerialize(const SyncAppendEntriesReply* pMsg, char* buf, uint32_t bufLen);
void syncAppendEntriesReplyDeserialize(const char* buf, uint32_t len, SyncAppendEntriesReply* pMsg);
char* syncAppendEntriesReplySerialize2(const SyncAppendEntriesReply* pMsg, uint32_t* len);
SyncAppendEntriesReply* syncAppendEntriesReplyDeserialize2(const char* buf, uint32_t len);
void syncAppendEntriesReply2RpcMsg(const SyncAppendEntriesReply* pMsg, SRpcMsg* pRpcMsg);
void syncAppendEntriesReplyFromRpcMsg(const SRpcMsg* pRpcMsg, SyncAppendEntriesReply* pMsg);
SyncAppendEntriesReply* syncAppendEntriesReplyFromRpcMsg2(const SRpcMsg* pRpcMsg);
cJSON* syncAppendEntriesReply2Json(const SyncAppendEntriesReply* pMsg);
char* syncAppendEntriesReply2Str(const SyncAppendEntriesReply* pMsg);
// for debug ----------------------
void syncAppendEntriesReplyPrint(const SyncAppendEntriesReply* pMsg);
void syncAppendEntriesReplyPrint2(char* s, const SyncAppendEntriesReply* pMsg);
void syncAppendEntriesReplyLog(const SyncAppendEntriesReply* pMsg);
void syncAppendEntriesReplyLog2(char* s, const SyncAppendEntriesReply* pMsg);
// ---------------------------------------------
typedef struct SyncApplyMsg {
uint32_t bytes;
int32_t vgId;
uint32_t msgType; // user SyncApplyMsg msgType
uint32_t originalRpcType; // user RpcMsg msgType
SFsmCbMeta fsmMeta;
uint32_t dataLen; // user RpcMsg.contLen
char data[]; // user RpcMsg.pCont
} SyncApplyMsg;
SyncApplyMsg* syncApplyMsgBuild(uint32_t dataLen);
SyncApplyMsg* syncApplyMsgBuild2(const SRpcMsg* pOriginalRpcMsg, int32_t vgId, SFsmCbMeta* pMeta);
void syncApplyMsgDestroy(SyncApplyMsg* pMsg);
void syncApplyMsgSerialize(const SyncApplyMsg* pMsg, char* buf, uint32_t bufLen);
void syncApplyMsgDeserialize(const char* buf, uint32_t len, SyncApplyMsg* pMsg);
char* syncApplyMsgSerialize2(const SyncApplyMsg* pMsg, uint32_t* len);
SyncApplyMsg* syncApplyMsgDeserialize2(const char* buf, uint32_t len);
void syncApplyMsg2RpcMsg(const SyncApplyMsg* pMsg, SRpcMsg* pRpcMsg); // SyncApplyMsg to SRpcMsg, put it into ApplyQ
void syncApplyMsgFromRpcMsg(const SRpcMsg* pRpcMsg, SyncApplyMsg* pMsg); // get SRpcMsg from ApplyQ, to SyncApplyMsg
SyncApplyMsg* syncApplyMsgFromRpcMsg2(const SRpcMsg* pRpcMsg);
void syncApplyMsg2OriginalRpcMsg(const SyncApplyMsg* pMsg, SRpcMsg* pOriginalRpcMsg); // SyncApplyMsg to OriginalRpcMsg
cJSON* syncApplyMsg2Json(const SyncApplyMsg* pMsg);
char* syncApplyMsg2Str(const SyncApplyMsg* pMsg);
// for debug ----------------------
void syncApplyMsgPrint(const SyncApplyMsg* pMsg);
void syncApplyMsgPrint2(char* s, const SyncApplyMsg* pMsg);
void syncApplyMsgLog(const SyncApplyMsg* pMsg);
void syncApplyMsgLog2(char* s, const SyncApplyMsg* pMsg);
// ---------------------------------------------
typedef struct SyncSnapshotSend {
uint32_t bytes;
int32_t vgId;
uint32_t msgType;
SRaftId srcId;
SRaftId destId;
SyncTerm term;
SyncIndex lastIndex; // lastIndex of snapshot
SyncTerm lastTerm; // lastTerm of snapshot
SyncIndex lastConfigIndex;
SSyncCfg lastConfig;
SyncTerm privateTerm;
int32_t seq;
uint32_t dataLen;
char data[];
} SyncSnapshotSend;
SyncSnapshotSend* syncSnapshotSendBuild(uint32_t dataLen, int32_t vgId);
void syncSnapshotSendDestroy(SyncSnapshotSend* pMsg);
void syncSnapshotSendSerialize(const SyncSnapshotSend* pMsg, char* buf, uint32_t bufLen);
void syncSnapshotSendDeserialize(const char* buf, uint32_t len, SyncSnapshotSend* pMsg);
char* syncSnapshotSendSerialize2(const SyncSnapshotSend* pMsg, uint32_t* len);
SyncSnapshotSend* syncSnapshotSendDeserialize2(const char* buf, uint32_t len);
void syncSnapshotSend2RpcMsg(const SyncSnapshotSend* pMsg, SRpcMsg* pRpcMsg);
void syncSnapshotSendFromRpcMsg(const SRpcMsg* pRpcMsg, SyncSnapshotSend* pMsg);
SyncSnapshotSend* syncSnapshotSendFromRpcMsg2(const SRpcMsg* pRpcMsg);
cJSON* syncSnapshotSend2Json(const SyncSnapshotSend* pMsg);
char* syncSnapshotSend2Str(const SyncSnapshotSend* pMsg);
// for debug ----------------------
void syncSnapshotSendPrint(const SyncSnapshotSend* pMsg);
void syncSnapshotSendPrint2(char* s, const SyncSnapshotSend* pMsg);
void syncSnapshotSendLog(const SyncSnapshotSend* pMsg);
void syncSnapshotSendLog2(char* s, const SyncSnapshotSend* pMsg);
// ---------------------------------------------
typedef struct SyncSnapshotRsp {
uint32_t bytes;
int32_t vgId;
uint32_t msgType;
SRaftId srcId;
SRaftId destId;
SyncTerm term;
SyncIndex lastIndex;
SyncTerm lastTerm;
SyncTerm privateTerm;
int32_t ack;
int32_t code;
} SyncSnapshotRsp;
SyncSnapshotRsp* syncSnapshotRspBuild(int32_t vgId);
void syncSnapshotRspDestroy(SyncSnapshotRsp* pMsg);
void syncSnapshotRspSerialize(const SyncSnapshotRsp* pMsg, char* buf, uint32_t bufLen);
void syncSnapshotRspDeserialize(const char* buf, uint32_t len, SyncSnapshotRsp* pMsg);
char* syncSnapshotRspSerialize2(const SyncSnapshotRsp* pMsg, uint32_t* len);
SyncSnapshotRsp* syncSnapshotRspDeserialize2(const char* buf, uint32_t len);
void syncSnapshotRsp2RpcMsg(const SyncSnapshotRsp* pMsg, SRpcMsg* pRpcMsg);
void syncSnapshotRspFromRpcMsg(const SRpcMsg* pRpcMsg, SyncSnapshotRsp* pMsg);
SyncSnapshotRsp* syncSnapshotRspFromRpcMsg2(const SRpcMsg* pRpcMsg);
cJSON* syncSnapshotRsp2Json(const SyncSnapshotRsp* pMsg);
char* syncSnapshotRsp2Str(const SyncSnapshotRsp* pMsg);
// for debug ----------------------
void syncSnapshotRspPrint(const SyncSnapshotRsp* pMsg);
void syncSnapshotRspPrint2(char* s, const SyncSnapshotRsp* pMsg);
void syncSnapshotRspLog(const SyncSnapshotRsp* pMsg);
void syncSnapshotRspLog2(char* s, const SyncSnapshotRsp* pMsg);
// ---------------------------------------------
typedef struct SyncLeaderTransfer {
uint32_t bytes;
int32_t vgId;
uint32_t msgType;
/*
SRaftId srcId;
SRaftId destId;
*/
SRaftId newLeaderId;
} SyncLeaderTransfer;
SyncLeaderTransfer* syncLeaderTransferBuild(int32_t vgId);
void syncLeaderTransferDestroy(SyncLeaderTransfer* pMsg);
void syncLeaderTransferSerialize(const SyncLeaderTransfer* pMsg, char* buf, uint32_t bufLen);
void syncLeaderTransferDeserialize(const char* buf, uint32_t len, SyncLeaderTransfer* pMsg);
char* syncLeaderTransferSerialize2(const SyncLeaderTransfer* pMsg, uint32_t* len);
SyncLeaderTransfer* syncLeaderTransferDeserialize2(const char* buf, uint32_t len);
void syncLeaderTransfer2RpcMsg(const SyncLeaderTransfer* pMsg, SRpcMsg* pRpcMsg);
void syncLeaderTransferFromRpcMsg(const SRpcMsg* pRpcMsg, SyncLeaderTransfer* pMsg);
SyncLeaderTransfer* syncLeaderTransferFromRpcMsg2(const SRpcMsg* pRpcMsg);
cJSON* syncLeaderTransfer2Json(const SyncLeaderTransfer* pMsg);
char* syncLeaderTransfer2Str(const SyncLeaderTransfer* pMsg);
// for debug ----------------------
void syncLeaderTransferPrint(const SyncLeaderTransfer* pMsg);
void syncLeaderTransferPrint2(char* s, const SyncLeaderTransfer* pMsg);
void syncLeaderTransferLog(const SyncLeaderTransfer* pMsg);
void syncLeaderTransferLog2(char* s, const SyncLeaderTransfer* pMsg);
// on message ----------------------
int32_t syncNodeOnPingCb(SSyncNode* ths, SyncPing* pMsg);
int32_t syncNodeOnPingReplyCb(SSyncNode* ths, SyncPingReply* pMsg);
int32_t syncNodeOnTimeoutCb(SSyncNode* ths, SyncTimeout* pMsg);
int32_t syncNodeOnClientRequestCb(SSyncNode* ths, SyncClientRequest* pMsg);
int32_t syncNodeOnRequestVoteCb(SSyncNode* ths, SyncRequestVote* pMsg);
int32_t syncNodeOnRequestVoteReplyCb(SSyncNode* ths, SyncRequestVoteReply* pMsg);
int32_t syncNodeOnAppendEntriesCb(SSyncNode* ths, SyncAppendEntries* pMsg);
int32_t syncNodeOnAppendEntriesReplyCb(SSyncNode* ths, SyncAppendEntriesReply* pMsg);
int32_t syncNodeOnRequestVoteSnapshotCb(SSyncNode* ths, SyncRequestVote* pMsg);
int32_t syncNodeOnRequestVoteReplySnapshotCb(SSyncNode* ths, SyncRequestVoteReply* pMsg);
int32_t syncNodeOnAppendEntriesSnapshotCb(SSyncNode* ths, SyncAppendEntries* pMsg);
int32_t syncNodeOnAppendEntriesReplySnapshotCb(SSyncNode* ths, SyncAppendEntriesReply* pMsg);
int32_t syncNodeOnSnapshotSendCb(SSyncNode* ths, SyncSnapshotSend* pMsg);
int32_t syncNodeOnSnapshotRspCb(SSyncNode* ths, SyncSnapshotRsp* pMsg);
// -----------------------------------------
typedef int32_t (*FpOnPingCb)(SSyncNode* ths, SyncPing* pMsg);
typedef int32_t (*FpOnPingReplyCb)(SSyncNode* ths, SyncPingReply* pMsg);
typedef int32_t (*FpOnClientRequestCb)(SSyncNode* ths, SyncClientRequest* pMsg);
typedef int32_t (*FpOnRequestVoteCb)(SSyncNode* ths, SyncRequestVote* pMsg);
typedef int32_t (*FpOnRequestVoteReplyCb)(SSyncNode* ths, SyncRequestVoteReply* pMsg);
typedef int32_t (*FpOnAppendEntriesCb)(SSyncNode* ths, SyncAppendEntries* pMsg);
typedef int32_t (*FpOnAppendEntriesReplyCb)(SSyncNode* ths, SyncAppendEntriesReply* pMsg);
typedef int32_t (*FpOnTimeoutCb)(SSyncNode* pSyncNode, SyncTimeout* pMsg);
typedef int32_t (*FpOnSnapshotSendCb)(SSyncNode* ths, SyncSnapshotSend* pMsg);
typedef int32_t (*FpOnSnapshotRspCb)(SSyncNode* ths, SyncSnapshotRsp* pMsg);
// option ----------------------------------
bool syncNodeSnapshotEnable(SSyncNode* pSyncNode);
// ---------------------------------------------
#ifdef __cplusplus
}
#endif
#endif /*_TD_LIBS_SYNC_TOOLS_H*/