/* * Copyright (c) 2019 TAOS Data, Inc. * * 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 . */ #ifndef _TD_LIBS_SYNC_MESSAGE_H #define _TD_LIBS_SYNC_MESSAGE_H #ifdef __cplusplus extern "C" { #endif #include "syncInt.h" 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; int64_t timeStamp; void* data; // need optimized } SyncTimeout; typedef struct SyncClientRequest { uint32_t bytes; int32_t vgId; uint32_t msgType; // TDMT_SYNC_CLIENT_REQUEST uint32_t originalRpcType; // origin RpcMsg msgType uint64_t seqNum; bool isWeak; int16_t reserved; uint32_t dataLen; // origin RpcMsg.contLen char data[]; // origin RpcMsg.pCont } SyncClientRequest; typedef struct SyncClientRequestReply { uint32_t bytes; int32_t vgId; uint32_t msgType; int32_t errCode; SRaftId leaderHint; int16_t reserved; } 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; int16_t reserved; } SyncRequestVote; typedef struct SyncRequestVoteReply { uint32_t bytes; int32_t vgId; uint32_t msgType; SRaftId srcId; SRaftId destId; // private data SyncTerm term; bool voteGranted; int16_t reserved; } SyncRequestVoteReply; 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; int16_t reserved; uint32_t dataLen; char data[]; } SyncAppendEntries; typedef struct SyncAppendEntriesReply { uint32_t bytes; int32_t vgId; uint32_t msgType; SRaftId srcId; SRaftId destId; // private data SyncTerm term; SyncTerm lastMatchTerm; bool success; SyncIndex matchIndex; SyncIndex lastSendIndex; int64_t startTime; int16_t reserved; } SyncAppendEntriesReply; typedef struct SyncHeartbeat { uint32_t bytes; int32_t vgId; uint32_t msgType; SRaftId srcId; SRaftId destId; // private data SyncTerm term; SyncIndex commitIndex; SyncTerm privateTerm; SyncTerm minMatchIndex; int64_t timeStamp; int16_t reserved; } SyncHeartbeat; typedef struct SyncHeartbeatReply { uint32_t bytes; int32_t vgId; uint32_t msgType; SRaftId srcId; SRaftId destId; // private data SyncTerm term; SyncTerm privateTerm; int64_t startTime; int64_t timeStamp; int16_t reserved; } SyncHeartbeatReply; typedef struct SyncPreSnapshot { uint32_t bytes; int32_t vgId; uint32_t msgType; SRaftId srcId; SRaftId destId; // private data SyncTerm term; int16_t reserved; } SyncPreSnapshot; typedef struct SyncPreSnapshotReply { uint32_t bytes; int32_t vgId; uint32_t msgType; SRaftId srcId; SRaftId destId; // private data SyncTerm term; SyncIndex snapStart; int16_t reserved; } SyncPreSnapshotReply; 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; typedef struct SyncSnapshotSend { uint32_t bytes; int32_t vgId; uint32_t msgType; SRaftId srcId; SRaftId destId; SyncTerm term; SyncIndex beginIndex; // snapshot.beginIndex SyncIndex lastIndex; // snapshot.lastIndex SyncTerm lastTerm; // snapshot.lastTerm SyncIndex lastConfigIndex; // snapshot.lastConfigIndex SSyncCfg lastConfig; int64_t startTime; int32_t seq; int16_t reserved; uint32_t dataLen; char data[]; } SyncSnapshotSend; typedef struct SyncSnapshotRsp { uint32_t bytes; int32_t vgId; uint32_t msgType; SRaftId srcId; SRaftId destId; SyncTerm term; SyncIndex lastIndex; SyncTerm lastTerm; int64_t startTime; int32_t ack; int32_t code; SyncIndex snapBeginIndex; // when ack = SYNC_SNAPSHOT_SEQ_BEGIN, it's valid int16_t reserved; } SyncSnapshotRsp; typedef struct SyncLeaderTransfer { uint32_t bytes; int32_t vgId; uint32_t msgType; /* SRaftId srcId; SRaftId destId; */ SNodeInfo newNodeInfo; SRaftId newLeaderId; } SyncLeaderTransfer; typedef enum { SYNC_LOCAL_CMD_STEP_DOWN = 100, SYNC_LOCAL_CMD_FOLLOWER_CMT, SYNC_LOCAL_CMD_LEARNER_CMT, } ESyncLocalCmd; typedef struct SyncLocalCmd { uint32_t bytes; int32_t vgId; uint32_t msgType; SRaftId srcId; SRaftId destId; int32_t cmd; SyncTerm currentTerm; // step down new term SyncIndex commitIndex; // follower commit index } SyncLocalCmd; int32_t syncBuildTimeout(SRpcMsg* pMsg, ESyncTimeoutType ttype, uint64_t logicClock, int32_t ms, SSyncNode* pNode); int32_t syncBuildClientRequest(SRpcMsg* pMsg, const SRpcMsg* pOriginal, uint64_t seq, bool isWeak, int32_t vgId); int32_t syncBuildClientRequestFromNoopEntry(SRpcMsg* pMsg, const SSyncRaftEntry* pEntry, int32_t vgId); int32_t syncBuildRequestVote(SRpcMsg* pMsg, int32_t vgId); int32_t syncBuildRequestVoteReply(SRpcMsg* pMsg, int32_t vgId); int32_t syncBuildAppendEntries(SRpcMsg* pMsg, int32_t dataLen, int32_t vgId); int32_t syncBuildAppendEntriesReply(SRpcMsg* pMsg, int32_t vgId); int32_t syncBuildAppendEntriesFromRaftEntry(SSyncNode* pNode, SSyncRaftEntry* pEntry, SyncTerm prevLogTerm, SRpcMsg* pRpcMsg); int32_t syncBuildHeartbeat(SRpcMsg* pMsg, int32_t vgId); int32_t syncBuildHeartbeatReply(SRpcMsg* pMsg, int32_t vgId); int32_t syncBuildPreSnapshot(SRpcMsg* pMsg, int32_t vgId); int32_t syncBuildPreSnapshotReply(SRpcMsg* pMsg, int32_t vgId); int32_t syncBuildApplyMsg(SRpcMsg* pMsg, const SRpcMsg* pOriginal, int32_t vgId, SFsmCbMeta* pMeta); int32_t syncBuildSnapshotSend(SRpcMsg* pMsg, int32_t dataLen, int32_t vgId); int32_t syncBuildSnapshotSendRsp(SRpcMsg* pMsg, int32_t vgId); int32_t syncBuildLeaderTransfer(SRpcMsg* pMsg, int32_t vgId); int32_t syncBuildLocalCmd(SRpcMsg* pMsg, int32_t vgId); const char* syncTimerTypeStr(ESyncTimeoutType timerType); const char* syncLocalCmdGetStr(ESyncLocalCmd cmd); #ifdef __cplusplus } #endif #endif /*_TD_LIBS_SYNC_MESSAGE_H*/