3615 lines
122 KiB
C
3615 lines
122 KiB
C
/*
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* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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*
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* This program is free software: you can use, redistribute, and/or modify
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* it under the terms of the GNU Affero General Public License, version 3
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* or later ("AGPL"), as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#define _DEFAULT_SOURCE
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#include "sync.h"
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#include "syncAppendEntries.h"
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#include "syncAppendEntriesReply.h"
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#include "syncCommit.h"
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#include "syncElection.h"
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#include "syncEnv.h"
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#include "syncIndexMgr.h"
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#include "syncInt.h"
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#include "syncMessage.h"
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#include "syncRaftCfg.h"
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#include "syncRaftLog.h"
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#include "syncRaftStore.h"
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#include "syncReplication.h"
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#include "syncRequestVote.h"
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#include "syncRequestVoteReply.h"
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#include "syncRespMgr.h"
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#include "syncSnapshot.h"
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#include "syncTimeout.h"
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#include "syncUtil.h"
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#include "syncVoteMgr.h"
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static void syncNodeEqPingTimer(void* param, void* tmrId);
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static void syncNodeEqElectTimer(void* param, void* tmrId);
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static void syncNodeEqHeartbeatTimer(void* param, void* tmrId);
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static int32_t syncNodeEqNoop(SSyncNode* ths);
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static int32_t syncNodeAppendNoop(SSyncNode* ths);
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static void syncNodeEqPeerHeartbeatTimer(void* param, void* tmrId);
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static bool syncIsConfigChanged(const SSyncCfg* pOldCfg, const SSyncCfg* pNewCfg);
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int64_t syncOpen(SSyncInfo* pSyncInfo) {
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SSyncNode* pSyncNode = syncNodeOpen(pSyncInfo);
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if (pSyncNode == NULL) {
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sError("vgId:%d, failed to open sync node", pSyncInfo->vgId);
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return -1;
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}
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pSyncNode->rid = syncNodeAdd(pSyncNode);
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if (pSyncNode->rid < 0) {
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syncNodeClose(pSyncNode);
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return -1;
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}
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pSyncNode->pingBaseLine = pSyncInfo->pingMs;
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pSyncNode->pingTimerMS = pSyncInfo->pingMs;
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pSyncNode->electBaseLine = pSyncInfo->electMs;
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pSyncNode->hbBaseLine = pSyncInfo->heartbeatMs;
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pSyncNode->heartbeatTimerMS = pSyncInfo->heartbeatMs;
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pSyncNode->msgcb = pSyncInfo->msgcb;
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return pSyncNode->rid;
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}
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void syncStart(int64_t rid) {
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SSyncNode* pSyncNode = syncNodeAcquire(rid);
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if (pSyncNode != NULL) {
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syncNodeStart(pSyncNode);
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syncNodeRelease(pSyncNode);
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}
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}
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void syncStop(int64_t rid) {
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SSyncNode* pSyncNode = syncNodeAcquire(rid);
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if (pSyncNode != NULL) {
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syncNodeRelease(pSyncNode);
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syncNodeRemove(rid);
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}
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}
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static bool syncNodeCheckNewConfig(SSyncNode* pSyncNode, const SSyncCfg* pCfg) {
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if (!syncNodeInConfig(pSyncNode, pCfg)) return false;
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return abs(pCfg->replicaNum - pSyncNode->replicaNum) <= 1;
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}
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int32_t syncReconfig(int64_t rid, SSyncCfg* pNewCfg) {
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SSyncNode* pSyncNode = syncNodeAcquire(rid);
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if (pSyncNode == NULL) return -1;
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if (!syncNodeCheckNewConfig(pSyncNode, pNewCfg)) {
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syncNodeRelease(pSyncNode);
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terrno = TSDB_CODE_SYN_NEW_CONFIG_ERROR;
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sError("vgId:%d, failed to reconfig since invalid new config", pSyncNode->vgId);
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return -1;
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}
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syncNodeUpdateNewConfigIndex(pSyncNode, pNewCfg);
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syncNodeDoConfigChange(pSyncNode, pNewCfg, SYNC_INDEX_INVALID);
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if (pSyncNode->state == TAOS_SYNC_STATE_LEADER) {
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syncNodeStopHeartbeatTimer(pSyncNode);
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for (int32_t i = 0; i < TSDB_MAX_REPLICA; ++i) {
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syncHbTimerInit(pSyncNode, &pSyncNode->peerHeartbeatTimerArr[i], pSyncNode->replicasId[i]);
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}
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syncNodeStartHeartbeatTimer(pSyncNode);
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syncNodeReplicate(pSyncNode);
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}
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syncNodeRelease(pSyncNode);
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return 0;
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}
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int32_t syncProcessMsg(int64_t rid, SRpcMsg* pMsg) {
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int32_t code = -1;
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if (!syncIsInit()) return code;
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SSyncNode* pSyncNode = syncNodeAcquire(rid);
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if (pSyncNode == NULL) return code;
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if (pMsg->msgType == TDMT_SYNC_HEARTBEAT) {
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SyncHeartbeat* pSyncMsg = syncHeartbeatFromRpcMsg2(pMsg);
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code = syncNodeOnHeartbeat(pSyncNode, pSyncMsg);
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syncHeartbeatDestroy(pSyncMsg);
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} else if (pMsg->msgType == TDMT_SYNC_HEARTBEAT_REPLY) {
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SyncHeartbeatReply* pSyncMsg = syncHeartbeatReplyFromRpcMsg2(pMsg);
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code = syncNodeOnHeartbeatReply(pSyncNode, pSyncMsg);
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syncHeartbeatReplyDestroy(pSyncMsg);
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} else if (pMsg->msgType == TDMT_SYNC_TIMEOUT) {
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SyncTimeout* pSyncMsg = syncTimeoutFromRpcMsg2(pMsg);
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code = syncNodeOnTimer(pSyncNode, pSyncMsg);
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syncTimeoutDestroy(pSyncMsg);
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} else if (pMsg->msgType == TDMT_SYNC_PING) {
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SyncPing* pSyncMsg = syncPingFromRpcMsg2(pMsg);
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code = syncNodeOnPing(pSyncNode, pSyncMsg);
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syncPingDestroy(pSyncMsg);
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} else if (pMsg->msgType == TDMT_SYNC_PING_REPLY) {
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SyncPingReply* pSyncMsg = syncPingReplyFromRpcMsg2(pMsg);
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code = syncNodeOnPingReply(pSyncNode, pSyncMsg);
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syncPingReplyDestroy(pSyncMsg);
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} else if (pMsg->msgType == TDMT_SYNC_CLIENT_REQUEST) {
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SyncClientRequest* pSyncMsg = syncClientRequestFromRpcMsg2(pMsg);
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code = syncNodeOnClientRequest(pSyncNode, pSyncMsg, NULL);
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syncClientRequestDestroy(pSyncMsg);
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} else if (pMsg->msgType == TDMT_SYNC_REQUEST_VOTE) {
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SyncRequestVote* pSyncMsg = syncRequestVoteFromRpcMsg2(pMsg);
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code = syncNodeOnRequestVote(pSyncNode, pSyncMsg);
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syncRequestVoteDestroy(pSyncMsg);
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} else if (pMsg->msgType == TDMT_SYNC_REQUEST_VOTE_REPLY) {
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SyncRequestVoteReply* pSyncMsg = syncRequestVoteReplyFromRpcMsg2(pMsg);
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code = syncNodeOnRequestVoteReply(pSyncNode, pSyncMsg);
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syncRequestVoteReplyDestroy(pSyncMsg);
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} else if (pMsg->msgType == TDMT_SYNC_APPEND_ENTRIES) {
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SyncAppendEntries* pSyncMsg = syncAppendEntriesFromRpcMsg2(pMsg);
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code = syncNodeOnAppendEntries(pSyncNode, pSyncMsg);
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syncAppendEntriesDestroy(pSyncMsg);
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} else if (pMsg->msgType == TDMT_SYNC_APPEND_ENTRIES_REPLY) {
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SyncAppendEntriesReply* pSyncMsg = syncAppendEntriesReplyFromRpcMsg2(pMsg);
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code = syncNodeOnAppendEntriesReply(pSyncNode, pSyncMsg);
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syncAppendEntriesReplyDestroy(pSyncMsg);
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} else if (pMsg->msgType == TDMT_SYNC_SNAPSHOT_SEND) {
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SyncSnapshotSend* pSyncMsg = syncSnapshotSendFromRpcMsg2(pMsg);
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code = syncNodeOnSnapshot(pSyncNode, pSyncMsg);
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syncSnapshotSendDestroy(pSyncMsg);
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} else if (pMsg->msgType == TDMT_SYNC_SNAPSHOT_RSP) {
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SyncSnapshotRsp* pSyncMsg = syncSnapshotRspFromRpcMsg2(pMsg);
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code = syncNodeOnSnapshotReply(pSyncNode, pSyncMsg);
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syncSnapshotRspDestroy(pSyncMsg);
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} else if (pMsg->msgType == TDMT_SYNC_LOCAL_CMD) {
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SyncLocalCmd* pSyncMsg = syncLocalCmdFromRpcMsg2(pMsg);
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code = syncNodeOnLocalCmd(pSyncNode, pSyncMsg);
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syncLocalCmdDestroy(pSyncMsg);
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} else {
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sError("vgId:%d, failed to process msg:%p since invalid type:%s", pSyncNode->vgId, pMsg, TMSG_INFO(pMsg->msgType));
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code = -1;
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}
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syncNodeRelease(pSyncNode);
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return code;
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}
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int32_t syncLeaderTransfer(int64_t rid) {
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SSyncNode* pSyncNode = syncNodeAcquire(rid);
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if (pSyncNode == NULL) return -1;
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int32_t ret = syncNodeLeaderTransfer(pSyncNode);
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syncNodeRelease(pSyncNode);
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return ret;
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}
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SyncIndex syncMinMatchIndex(SSyncNode* pSyncNode) {
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SyncIndex minMatchIndex = SYNC_INDEX_INVALID;
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if (pSyncNode->peersNum > 0) {
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minMatchIndex = syncIndexMgrGetIndex(pSyncNode->pMatchIndex, &(pSyncNode->peersId[0]));
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}
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for (int32_t i = 1; i < pSyncNode->peersNum; ++i) {
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SyncIndex matchIndex = syncIndexMgrGetIndex(pSyncNode->pMatchIndex, &(pSyncNode->peersId[i]));
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if (matchIndex < minMatchIndex) {
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minMatchIndex = matchIndex;
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}
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}
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return minMatchIndex;
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}
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char* syncNodePeerState2Str(const SSyncNode* pSyncNode) {
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int32_t len = 128;
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int32_t useLen = 0;
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int32_t leftLen = len - useLen;
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char* pStr = taosMemoryMalloc(len);
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memset(pStr, 0, len);
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char* p = pStr;
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int32_t use = snprintf(p, leftLen, "{");
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useLen += use;
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leftLen -= use;
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for (int32_t i = 0; i < pSyncNode->replicaNum; ++i) {
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SPeerState* pState = syncNodeGetPeerState((SSyncNode*)pSyncNode, &(pSyncNode->replicasId[i]));
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if (pState == NULL) {
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sError("vgId:%d, replica maybe dropped", pSyncNode->vgId);
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break;
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}
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p = pStr + useLen;
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use = snprintf(p, leftLen, "%d:%" PRId64 " ,%" PRId64, i, pState->lastSendIndex, pState->lastSendTime);
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useLen += use;
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leftLen -= use;
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}
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p = pStr + useLen;
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use = snprintf(p, leftLen, "}");
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useLen += use;
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leftLen -= use;
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// sTrace("vgId:%d, ------------------ syncNodePeerState2Str:%s", pSyncNode->vgId, pStr);
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return pStr;
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}
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int32_t syncBeginSnapshot(int64_t rid, int64_t lastApplyIndex) {
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SSyncNode* pSyncNode = syncNodeAcquire(rid);
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if (pSyncNode == NULL) {
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terrno = TSDB_CODE_SYN_INTERNAL_ERROR;
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return -1;
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}
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ASSERT(rid == pSyncNode->rid);
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int32_t code = 0;
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if (syncNodeIsMnode(pSyncNode)) {
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// mnode
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int64_t logRetention = SYNC_MNODE_LOG_RETENTION;
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SyncIndex beginIndex = pSyncNode->pLogStore->syncLogBeginIndex(pSyncNode->pLogStore);
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SyncIndex endIndex = pSyncNode->pLogStore->syncLogEndIndex(pSyncNode->pLogStore);
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int64_t logNum = endIndex - beginIndex;
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bool isEmpty = pSyncNode->pLogStore->syncLogIsEmpty(pSyncNode->pLogStore);
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if (isEmpty || (!isEmpty && logNum < logRetention)) {
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char logBuf[256];
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snprintf(logBuf, sizeof(logBuf),
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"new-snapshot-index:%" PRId64 ", log-num:%" PRId64 ", empty:%d, do not delete wal", lastApplyIndex,
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logNum, isEmpty);
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syncNodeEventLog(pSyncNode, logBuf);
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syncNodeRelease(pSyncNode);
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return 0;
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}
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goto _DEL_WAL;
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} else {
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// vnode
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if (pSyncNode->replicaNum > 1) {
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// multi replicas
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if (pSyncNode->state == TAOS_SYNC_STATE_LEADER) {
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pSyncNode->minMatchIndex = syncMinMatchIndex(pSyncNode);
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for (int32_t i = 0; i < pSyncNode->peersNum; ++i) {
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int64_t matchIndex = syncIndexMgrGetIndex(pSyncNode->pMatchIndex, &(pSyncNode->peersId[i]));
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if (lastApplyIndex > matchIndex) {
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do {
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char host[64];
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uint16_t port;
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syncUtilU642Addr(pSyncNode->peersId[i].addr, host, sizeof(host), &port);
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char logBuf[256];
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snprintf(logBuf, sizeof(logBuf),
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"new-snapshot-index:%" PRId64 " is greater than match-index:%" PRId64
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" of %s:%d, do not delete wal",
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lastApplyIndex, matchIndex, host, port);
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syncNodeEventLog(pSyncNode, logBuf);
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} while (0);
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syncNodeRelease(pSyncNode);
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return 0;
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}
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}
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} else if (pSyncNode->state == TAOS_SYNC_STATE_FOLLOWER) {
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if (lastApplyIndex > pSyncNode->minMatchIndex) {
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char logBuf[256];
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snprintf(logBuf, sizeof(logBuf),
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"new-snapshot-index:%" PRId64 " is greater than min-match-index:%" PRId64 ", do not delete wal",
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lastApplyIndex, pSyncNode->minMatchIndex);
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syncNodeEventLog(pSyncNode, logBuf);
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syncNodeRelease(pSyncNode);
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return 0;
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}
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} else if (pSyncNode->state == TAOS_SYNC_STATE_CANDIDATE) {
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char logBuf[256];
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snprintf(logBuf, sizeof(logBuf), "new-snapshot-index:%" PRId64 " candidate, do not delete wal", lastApplyIndex);
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syncNodeEventLog(pSyncNode, logBuf);
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syncNodeRelease(pSyncNode);
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return 0;
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} else {
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char logBuf[256];
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snprintf(logBuf, sizeof(logBuf), "new-snapshot-index:%" PRId64 " unknown state, do not delete wal",
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lastApplyIndex);
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syncNodeEventLog(pSyncNode, logBuf);
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syncNodeRelease(pSyncNode);
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return 0;
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}
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goto _DEL_WAL;
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} else {
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// one replica
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goto _DEL_WAL;
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}
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}
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_DEL_WAL:
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do {
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SyncIndex snapshottingIndex = atomic_load_64(&pSyncNode->snapshottingIndex);
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if (snapshottingIndex == SYNC_INDEX_INVALID) {
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atomic_store_64(&pSyncNode->snapshottingIndex, lastApplyIndex);
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pSyncNode->snapshottingTime = taosGetTimestampMs();
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SSyncLogStoreData* pData = pSyncNode->pLogStore->data;
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code = walBeginSnapshot(pData->pWal, lastApplyIndex);
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if (code == 0) {
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char logBuf[256];
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snprintf(logBuf, sizeof(logBuf), "wal snapshot begin, index:%" PRId64 ", last apply index:%" PRId64,
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pSyncNode->snapshottingIndex, lastApplyIndex);
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syncNodeEventLog(pSyncNode, logBuf);
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} else {
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char logBuf[256];
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snprintf(logBuf, sizeof(logBuf),
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"wal snapshot begin error since:%s, index:%" PRId64 ", last apply index:%" PRId64, terrstr(terrno),
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pSyncNode->snapshottingIndex, lastApplyIndex);
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syncNodeErrorLog(pSyncNode, logBuf);
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atomic_store_64(&pSyncNode->snapshottingIndex, SYNC_INDEX_INVALID);
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}
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} else {
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char logBuf[256];
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snprintf(logBuf, sizeof(logBuf),
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"snapshotting for %" PRId64 ", do not delete wal for new-snapshot-index:%" PRId64, snapshottingIndex,
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lastApplyIndex);
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syncNodeEventLog(pSyncNode, logBuf);
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}
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} while (0);
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syncNodeRelease(pSyncNode);
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return code;
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}
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int32_t syncEndSnapshot(int64_t rid) {
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SSyncNode* pSyncNode = syncNodeAcquire(rid);
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if (pSyncNode == NULL) {
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terrno = TSDB_CODE_SYN_INTERNAL_ERROR;
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return -1;
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}
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ASSERT(rid == pSyncNode->rid);
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int32_t code = 0;
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if (atomic_load_64(&pSyncNode->snapshottingIndex) != SYNC_INDEX_INVALID) {
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SSyncLogStoreData* pData = pSyncNode->pLogStore->data;
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code = walEndSnapshot(pData->pWal);
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if (code != 0) {
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sError("vgId:%d, wal snapshot end error since:%s", pSyncNode->vgId, terrstr());
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syncNodeRelease(pSyncNode);
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return -1;
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} else {
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do {
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char logBuf[256];
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snprintf(logBuf, sizeof(logBuf), "wal snapshot end, index:%" PRId64,
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atomic_load_64(&pSyncNode->snapshottingIndex));
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syncNodeEventLog(pSyncNode, logBuf);
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} while (0);
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atomic_store_64(&pSyncNode->snapshottingIndex, SYNC_INDEX_INVALID);
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}
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}
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syncNodeRelease(pSyncNode);
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return code;
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}
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int32_t syncStepDown(int64_t rid, SyncTerm newTerm) {
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SSyncNode* pSyncNode = syncNodeAcquire(rid);
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if (pSyncNode == NULL) {
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terrno = TSDB_CODE_SYN_INTERNAL_ERROR;
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return -1;
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}
|
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ASSERT(rid == pSyncNode->rid);
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syncNodeStepDown(pSyncNode, newTerm);
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syncNodeRelease(pSyncNode);
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return 0;
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}
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int32_t syncNodeLeaderTransfer(SSyncNode* pSyncNode) {
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if (pSyncNode->peersNum == 0) {
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sDebug("only one replica, cannot leader transfer");
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terrno = TSDB_CODE_SYN_ONE_REPLICA;
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return -1;
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}
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|
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SNodeInfo newLeader = (pSyncNode->peersNodeInfo)[0];
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int32_t ret = syncNodeLeaderTransferTo(pSyncNode, newLeader);
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return ret;
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}
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|
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int32_t syncNodeLeaderTransferTo(SSyncNode* pSyncNode, SNodeInfo newLeader) {
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int32_t ret = 0;
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|
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if (pSyncNode->replicaNum == 1) {
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sDebug("only one replica, cannot leader transfer");
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terrno = TSDB_CODE_SYN_ONE_REPLICA;
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return -1;
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}
|
|
|
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do {
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char logBuf[128];
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snprintf(logBuf, sizeof(logBuf), "begin leader transfer to %s:%u", newLeader.nodeFqdn, newLeader.nodePort);
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syncNodeEventLog(pSyncNode, logBuf);
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} while (0);
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|
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SyncLeaderTransfer* pMsg = syncLeaderTransferBuild(pSyncNode->vgId);
|
|
pMsg->newLeaderId.addr = syncUtilAddr2U64(newLeader.nodeFqdn, newLeader.nodePort);
|
|
pMsg->newLeaderId.vgId = pSyncNode->vgId;
|
|
pMsg->newNodeInfo = newLeader;
|
|
ASSERT(pMsg != NULL);
|
|
SRpcMsg rpcMsg = {0};
|
|
syncLeaderTransfer2RpcMsg(pMsg, &rpcMsg);
|
|
syncLeaderTransferDestroy(pMsg);
|
|
|
|
ret = syncNodePropose(pSyncNode, &rpcMsg, false);
|
|
return ret;
|
|
}
|
|
|
|
bool syncCanLeaderTransfer(int64_t rid) {
|
|
SSyncNode* pSyncNode = syncNodeAcquire(rid);
|
|
if (pSyncNode == NULL) {
|
|
return false;
|
|
}
|
|
ASSERT(rid == pSyncNode->rid);
|
|
|
|
if (pSyncNode->replicaNum == 1) {
|
|
syncNodeRelease(pSyncNode);
|
|
return false;
|
|
}
|
|
|
|
if (pSyncNode->state == TAOS_SYNC_STATE_FOLLOWER) {
|
|
syncNodeRelease(pSyncNode);
|
|
return true;
|
|
}
|
|
|
|
bool matchOK = true;
|
|
if (pSyncNode->state == TAOS_SYNC_STATE_CANDIDATE || pSyncNode->state == TAOS_SYNC_STATE_LEADER) {
|
|
SyncIndex myCommitIndex = pSyncNode->commitIndex;
|
|
for (int i = 0; i < pSyncNode->peersNum; ++i) {
|
|
SyncIndex peerMatchIndex = syncIndexMgrGetIndex(pSyncNode->pMatchIndex, &(pSyncNode->peersId)[i]);
|
|
if (peerMatchIndex < myCommitIndex) {
|
|
matchOK = false;
|
|
}
|
|
}
|
|
}
|
|
|
|
syncNodeRelease(pSyncNode);
|
|
return matchOK;
|
|
}
|
|
|
|
int32_t syncForwardToPeer(int64_t rid, SRpcMsg* pMsg, bool isWeak) {
|
|
int32_t ret = syncPropose(rid, pMsg, isWeak);
|
|
return ret;
|
|
}
|
|
|
|
SSyncState syncGetState(int64_t rid) {
|
|
SSyncState state = {.state = TAOS_SYNC_STATE_ERROR};
|
|
|
|
SSyncNode* pSyncNode = syncNodeAcquire(rid);
|
|
if (pSyncNode != NULL) {
|
|
state.state = pSyncNode->state;
|
|
state.restored = pSyncNode->restoreFinish;
|
|
syncNodeRelease(pSyncNode);
|
|
}
|
|
|
|
return state;
|
|
}
|
|
|
|
#if 0
|
|
int32_t syncGetSnapshotByIndex(int64_t rid, SyncIndex index, SSnapshot* pSnapshot) {
|
|
if (index < SYNC_INDEX_BEGIN) {
|
|
return -1;
|
|
}
|
|
|
|
SSyncNode* pSyncNode = syncNodeAcquire(rid);
|
|
if (pSyncNode == NULL) {
|
|
return -1;
|
|
}
|
|
ASSERT(rid == pSyncNode->rid);
|
|
|
|
SSyncRaftEntry* pEntry = NULL;
|
|
int32_t code = pSyncNode->pLogStore->syncLogGetEntry(pSyncNode->pLogStore, index, &pEntry);
|
|
if (code != 0) {
|
|
if (pEntry != NULL) {
|
|
syncEntryDestory(pEntry);
|
|
}
|
|
syncNodeRelease(pSyncNode);
|
|
return -1;
|
|
}
|
|
ASSERT(pEntry != NULL);
|
|
|
|
pSnapshot->data = NULL;
|
|
pSnapshot->lastApplyIndex = index;
|
|
pSnapshot->lastApplyTerm = pEntry->term;
|
|
pSnapshot->lastConfigIndex = syncNodeGetSnapshotConfigIndex(pSyncNode, index);
|
|
|
|
syncEntryDestory(pEntry);
|
|
syncNodeRelease(pSyncNode);
|
|
return 0;
|
|
}
|
|
|
|
int32_t syncGetSnapshotMeta(int64_t rid, struct SSnapshotMeta* sMeta) {
|
|
SSyncNode* pSyncNode = syncNodeAcquire(rid);
|
|
if (pSyncNode == NULL) {
|
|
return -1;
|
|
}
|
|
ASSERT(rid == pSyncNode->rid);
|
|
sMeta->lastConfigIndex = pSyncNode->pRaftCfg->lastConfigIndex;
|
|
|
|
sTrace("vgId:%d, get snapshot meta, lastConfigIndex:%" PRId64, pSyncNode->vgId, pSyncNode->pRaftCfg->lastConfigIndex);
|
|
|
|
syncNodeRelease(pSyncNode);
|
|
return 0;
|
|
}
|
|
|
|
int32_t syncGetSnapshotMetaByIndex(int64_t rid, SyncIndex snapshotIndex, struct SSnapshotMeta* sMeta) {
|
|
SSyncNode* pSyncNode = syncNodeAcquire(rid);
|
|
if (pSyncNode == NULL) {
|
|
return -1;
|
|
}
|
|
ASSERT(rid == pSyncNode->rid);
|
|
|
|
ASSERT(pSyncNode->pRaftCfg->configIndexCount >= 1);
|
|
SyncIndex lastIndex = (pSyncNode->pRaftCfg->configIndexArr)[0];
|
|
|
|
for (int i = 0; i < pSyncNode->pRaftCfg->configIndexCount; ++i) {
|
|
if ((pSyncNode->pRaftCfg->configIndexArr)[i] > lastIndex &&
|
|
(pSyncNode->pRaftCfg->configIndexArr)[i] <= snapshotIndex) {
|
|
lastIndex = (pSyncNode->pRaftCfg->configIndexArr)[i];
|
|
}
|
|
}
|
|
sMeta->lastConfigIndex = lastIndex;
|
|
sTrace("vgId:%d, get snapshot meta by index:%" PRId64 " lcindex:%" PRId64, pSyncNode->vgId, snapshotIndex,
|
|
sMeta->lastConfigIndex);
|
|
|
|
syncNodeRelease(pSyncNode);
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
SyncIndex syncNodeGetSnapshotConfigIndex(SSyncNode* pSyncNode, SyncIndex snapshotLastApplyIndex) {
|
|
ASSERT(pSyncNode->pRaftCfg->configIndexCount >= 1);
|
|
SyncIndex lastIndex = (pSyncNode->pRaftCfg->configIndexArr)[0];
|
|
|
|
for (int i = 0; i < pSyncNode->pRaftCfg->configIndexCount; ++i) {
|
|
if ((pSyncNode->pRaftCfg->configIndexArr)[i] > lastIndex &&
|
|
(pSyncNode->pRaftCfg->configIndexArr)[i] <= snapshotLastApplyIndex) {
|
|
lastIndex = (pSyncNode->pRaftCfg->configIndexArr)[i];
|
|
}
|
|
}
|
|
sTrace("vgId:%d, sync get last config index, index:%" PRId64 " lcindex:%" PRId64, pSyncNode->vgId,
|
|
snapshotLastApplyIndex, lastIndex);
|
|
|
|
return lastIndex;
|
|
}
|
|
|
|
#if 0
|
|
SyncTerm syncGetMyTerm(int64_t rid) {
|
|
SSyncNode* pSyncNode = syncNodeAcquire(rid);
|
|
if (pSyncNode == NULL) {
|
|
return TAOS_SYNC_STATE_ERROR;
|
|
}
|
|
ASSERT(rid == pSyncNode->rid);
|
|
SyncTerm term = pSyncNode->pRaftStore->currentTerm;
|
|
|
|
syncNodeRelease(pSyncNode);
|
|
return term;
|
|
}
|
|
|
|
SyncIndex syncGetLastIndex(int64_t rid) {
|
|
SSyncNode* pSyncNode = syncNodeAcquire(rid);
|
|
if (pSyncNode == NULL) {
|
|
return SYNC_INDEX_INVALID;
|
|
}
|
|
ASSERT(rid == pSyncNode->rid);
|
|
SyncIndex lastIndex = syncNodeGetLastIndex(pSyncNode);
|
|
|
|
syncNodeRelease(pSyncNode);
|
|
return lastIndex;
|
|
}
|
|
|
|
SyncIndex syncGetCommitIndex(int64_t rid) {
|
|
SSyncNode* pSyncNode = syncNodeAcquire(rid);
|
|
if (pSyncNode == NULL) {
|
|
return SYNC_INDEX_INVALID;
|
|
}
|
|
ASSERT(rid == pSyncNode->rid);
|
|
SyncIndex cmtIndex = pSyncNode->commitIndex;
|
|
|
|
syncNodeRelease(pSyncNode);
|
|
return cmtIndex;
|
|
}
|
|
|
|
SyncGroupId syncGetVgId(int64_t rid) {
|
|
SSyncNode* pSyncNode = syncNodeAcquire(rid);
|
|
if (pSyncNode == NULL) {
|
|
return TAOS_SYNC_STATE_ERROR;
|
|
}
|
|
ASSERT(rid == pSyncNode->rid);
|
|
SyncGroupId vgId = pSyncNode->vgId;
|
|
|
|
syncNodeRelease(pSyncNode);
|
|
return vgId;
|
|
}
|
|
|
|
void syncGetEpSet(int64_t rid, SEpSet* pEpSet) {
|
|
SSyncNode* pSyncNode = syncNodeAcquire(rid);
|
|
if (pSyncNode == NULL) {
|
|
memset(pEpSet, 0, sizeof(*pEpSet));
|
|
return;
|
|
}
|
|
ASSERT(rid == pSyncNode->rid);
|
|
pEpSet->numOfEps = 0;
|
|
for (int i = 0; i < pSyncNode->pRaftCfg->cfg.replicaNum; ++i) {
|
|
snprintf(pEpSet->eps[i].fqdn, sizeof(pEpSet->eps[i].fqdn), "%s", (pSyncNode->pRaftCfg->cfg.nodeInfo)[i].nodeFqdn);
|
|
pEpSet->eps[i].port = (pSyncNode->pRaftCfg->cfg.nodeInfo)[i].nodePort;
|
|
(pEpSet->numOfEps)++;
|
|
sInfo("vgId:%d, sync get epset: index:%d %s:%d", pSyncNode->vgId, i, pEpSet->eps[i].fqdn, pEpSet->eps[i].port);
|
|
}
|
|
pEpSet->inUse = pSyncNode->pRaftCfg->cfg.myIndex;
|
|
sInfo("vgId:%d, sync get epset in-use:%d", pSyncNode->vgId, pEpSet->inUse);
|
|
|
|
syncNodeRelease(pSyncNode);
|
|
}
|
|
#endif
|
|
|
|
void syncGetRetryEpSet(int64_t rid, SEpSet* pEpSet) {
|
|
SSyncNode* pSyncNode = syncNodeAcquire(rid);
|
|
if (pSyncNode == NULL) {
|
|
memset(pEpSet, 0, sizeof(*pEpSet));
|
|
return;
|
|
}
|
|
ASSERT(rid == pSyncNode->rid);
|
|
pEpSet->numOfEps = 0;
|
|
for (int i = 0; i < pSyncNode->pRaftCfg->cfg.replicaNum; ++i) {
|
|
snprintf(pEpSet->eps[i].fqdn, sizeof(pEpSet->eps[i].fqdn), "%s", (pSyncNode->pRaftCfg->cfg.nodeInfo)[i].nodeFqdn);
|
|
pEpSet->eps[i].port = (pSyncNode->pRaftCfg->cfg.nodeInfo)[i].nodePort;
|
|
(pEpSet->numOfEps)++;
|
|
sInfo("vgId:%d, sync get retry epset: index:%d %s:%d", pSyncNode->vgId, i, pEpSet->eps[i].fqdn,
|
|
pEpSet->eps[i].port);
|
|
}
|
|
if (pEpSet->numOfEps > 0) {
|
|
pEpSet->inUse = (pSyncNode->pRaftCfg->cfg.myIndex + 1) % pEpSet->numOfEps;
|
|
}
|
|
sInfo("vgId:%d, sync get retry epset in-use:%d", pSyncNode->vgId, pEpSet->inUse);
|
|
|
|
syncNodeRelease(pSyncNode);
|
|
}
|
|
static void syncGetAndDelRespRpc(SSyncNode* pSyncNode, uint64_t index, SRpcHandleInfo* pInfo) {
|
|
SRespStub stub;
|
|
int32_t ret = syncRespMgrGetAndDel(pSyncNode->pSyncRespMgr, index, &stub);
|
|
if (ret == 1) {
|
|
*pInfo = stub.rpcMsg.info;
|
|
}
|
|
|
|
sTrace("vgId:%d, get seq:%" PRIu64 " rpc handle:%p", pSyncNode->vgId, index, pInfo->handle);
|
|
}
|
|
|
|
char* sync2SimpleStr(int64_t rid) {
|
|
SSyncNode* pSyncNode = syncNodeAcquire(rid);
|
|
if (pSyncNode == NULL) {
|
|
sTrace("syncSetRpc get pSyncNode is NULL, rid:%" PRId64, rid);
|
|
return NULL;
|
|
}
|
|
ASSERT(rid == pSyncNode->rid);
|
|
char* s = syncNode2SimpleStr(pSyncNode);
|
|
syncNodeRelease(pSyncNode);
|
|
|
|
return s;
|
|
}
|
|
|
|
int32_t syncPropose(int64_t rid, SRpcMsg* pMsg, bool isWeak) {
|
|
SSyncNode* pSyncNode = syncNodeAcquire(rid);
|
|
if (pSyncNode == NULL) {
|
|
syncNodeRelease(pSyncNode);
|
|
terrno = TSDB_CODE_SYN_INTERNAL_ERROR;
|
|
return -1;
|
|
}
|
|
ASSERT(rid == pSyncNode->rid);
|
|
|
|
int32_t ret = syncNodePropose(pSyncNode, pMsg, isWeak);
|
|
syncNodeRelease(pSyncNode);
|
|
return ret;
|
|
}
|
|
|
|
static bool syncNodeBatchOK(SRpcMsg** pMsgPArr, int32_t arrSize) {
|
|
for (int32_t i = 0; i < arrSize; ++i) {
|
|
if (pMsgPArr[i]->msgType == TDMT_SYNC_CONFIG_CHANGE) {
|
|
return false;
|
|
}
|
|
|
|
if (pMsgPArr[i]->msgType == TDMT_SYNC_CONFIG_CHANGE_FINISH) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
int32_t syncNodePropose(SSyncNode* pSyncNode, SRpcMsg* pMsg, bool isWeak) {
|
|
int32_t ret = 0;
|
|
|
|
do {
|
|
char eventLog[128];
|
|
snprintf(eventLog, sizeof(eventLog), "propose message, type:%s", TMSG_INFO(pMsg->msgType));
|
|
syncNodeEventLog(pSyncNode, eventLog);
|
|
} while (0);
|
|
|
|
if (pSyncNode->state == TAOS_SYNC_STATE_LEADER) {
|
|
if (pSyncNode->changing && pMsg->msgType != TDMT_SYNC_CONFIG_CHANGE_FINISH) {
|
|
ret = -1;
|
|
terrno = TSDB_CODE_SYN_PROPOSE_NOT_READY;
|
|
sError("vgId:%d, failed to sync propose since not ready, type:%s", pSyncNode->vgId, TMSG_INFO(pMsg->msgType));
|
|
goto _END;
|
|
}
|
|
|
|
// config change
|
|
if (pMsg->msgType == TDMT_SYNC_CONFIG_CHANGE) {
|
|
if (!syncNodeCanChange(pSyncNode)) {
|
|
ret = -1;
|
|
terrno = TSDB_CODE_SYN_RECONFIG_NOT_READY;
|
|
sError("vgId:%d, failed to sync reconfig since not ready, type:%s", pSyncNode->vgId, TMSG_INFO(pMsg->msgType));
|
|
goto _END;
|
|
}
|
|
|
|
ASSERT(!pSyncNode->changing);
|
|
pSyncNode->changing = true;
|
|
}
|
|
|
|
// not restored, vnode enable
|
|
if (!pSyncNode->restoreFinish && pSyncNode->vgId != 1) {
|
|
ret = -1;
|
|
terrno = TSDB_CODE_SYN_PROPOSE_NOT_READY;
|
|
sError("vgId:%d, failed to sync propose since not ready, type:%s, last:%" PRId64 ", cmt:%" PRId64,
|
|
pSyncNode->vgId, TMSG_INFO(pMsg->msgType), syncNodeGetLastIndex(pSyncNode), pSyncNode->commitIndex);
|
|
goto _END;
|
|
}
|
|
|
|
SRespStub stub;
|
|
stub.createTime = taosGetTimestampMs();
|
|
stub.rpcMsg = *pMsg;
|
|
uint64_t seqNum = syncRespMgrAdd(pSyncNode->pSyncRespMgr, &stub);
|
|
|
|
SyncClientRequest* pSyncMsg = syncClientRequestBuild2(pMsg, seqNum, isWeak, pSyncNode->vgId);
|
|
SRpcMsg rpcMsg;
|
|
syncClientRequest2RpcMsg(pSyncMsg, &rpcMsg);
|
|
|
|
// optimized one replica
|
|
if (syncNodeIsOptimizedOneReplica(pSyncNode, pMsg)) {
|
|
SyncIndex retIndex;
|
|
int32_t code = syncNodeOnClientRequest(pSyncNode, pSyncMsg, &retIndex);
|
|
if (code == 0) {
|
|
pMsg->info.conn.applyIndex = retIndex;
|
|
pMsg->info.conn.applyTerm = pSyncNode->pRaftStore->currentTerm;
|
|
rpcFreeCont(rpcMsg.pCont);
|
|
syncRespMgrDel(pSyncNode->pSyncRespMgr, seqNum);
|
|
ret = 1;
|
|
sDebug("vgId:%d, sync optimize index:%" PRId64 ", type:%s", pSyncNode->vgId, retIndex,
|
|
TMSG_INFO(pMsg->msgType));
|
|
} else {
|
|
ret = -1;
|
|
terrno = TSDB_CODE_SYN_INTERNAL_ERROR;
|
|
sError("vgId:%d, failed to sync optimize index:%" PRId64 ", type:%s", pSyncNode->vgId, retIndex,
|
|
TMSG_INFO(pMsg->msgType));
|
|
}
|
|
|
|
} else {
|
|
if (pSyncNode->syncEqMsg != NULL && (*pSyncNode->syncEqMsg)(pSyncNode->msgcb, &rpcMsg) == 0) {
|
|
ret = 0;
|
|
} else {
|
|
ret = -1;
|
|
terrno = TSDB_CODE_SYN_INTERNAL_ERROR;
|
|
sError("vgId:%d, failed to enqueue msg since its null", pSyncNode->vgId);
|
|
}
|
|
}
|
|
|
|
syncClientRequestDestroy(pSyncMsg);
|
|
goto _END;
|
|
|
|
} else {
|
|
ret = -1;
|
|
terrno = TSDB_CODE_SYN_NOT_LEADER;
|
|
sError("vgId:%d, sync propose not leader, %s, type:%s", pSyncNode->vgId, syncStr(pSyncNode->state),
|
|
TMSG_INFO(pMsg->msgType));
|
|
goto _END;
|
|
}
|
|
|
|
_END:
|
|
return ret;
|
|
}
|
|
|
|
int32_t syncHbTimerInit(SSyncNode* pSyncNode, SSyncTimer* pSyncTimer, SRaftId destId) {
|
|
pSyncTimer->pTimer = NULL;
|
|
pSyncTimer->counter = 0;
|
|
pSyncTimer->timerMS = pSyncNode->hbBaseLine;
|
|
pSyncTimer->timerCb = syncNodeEqPeerHeartbeatTimer;
|
|
pSyncTimer->destId = destId;
|
|
atomic_store_64(&pSyncTimer->logicClock, 0);
|
|
return 0;
|
|
}
|
|
|
|
int32_t syncHbTimerStart(SSyncNode* pSyncNode, SSyncTimer* pSyncTimer) {
|
|
int32_t ret = 0;
|
|
if (syncIsInit()) {
|
|
SSyncHbTimerData* pData = taosMemoryMalloc(sizeof(SSyncHbTimerData));
|
|
pData->pSyncNode = pSyncNode;
|
|
pData->pTimer = pSyncTimer;
|
|
pData->destId = pSyncTimer->destId;
|
|
pData->logicClock = pSyncTimer->logicClock;
|
|
|
|
pSyncTimer->pData = pData;
|
|
taosTmrReset(pSyncTimer->timerCb, pSyncTimer->timerMS, pData, syncEnv()->pTimerManager, &pSyncTimer->pTimer);
|
|
} else {
|
|
sError("vgId:%d, start ctrl hb timer error, sync env is stop", pSyncNode->vgId);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int32_t syncHbTimerStop(SSyncNode* pSyncNode, SSyncTimer* pSyncTimer) {
|
|
int32_t ret = 0;
|
|
atomic_add_fetch_64(&pSyncTimer->logicClock, 1);
|
|
taosTmrStop(pSyncTimer->pTimer);
|
|
pSyncTimer->pTimer = NULL;
|
|
// taosMemoryFree(pSyncTimer->pData);
|
|
return ret;
|
|
}
|
|
|
|
SSyncNode* syncNodeOpen(SSyncInfo* pSyncInfo) {
|
|
SSyncNode* pSyncNode = taosMemoryCalloc(1, sizeof(SSyncNode));
|
|
if (pSyncNode == NULL) {
|
|
terrno = TSDB_CODE_OUT_OF_MEMORY;
|
|
goto _error;
|
|
}
|
|
|
|
if (!taosDirExist((char*)(pSyncInfo->path))) {
|
|
if (taosMkDir(pSyncInfo->path) != 0) {
|
|
terrno = TAOS_SYSTEM_ERROR(errno);
|
|
sError("failed to create dir:%s since %s", pSyncInfo->path, terrstr());
|
|
goto _error;
|
|
}
|
|
}
|
|
|
|
snprintf(pSyncNode->configPath, sizeof(pSyncNode->configPath), "%s%sraft_config.json", pSyncInfo->path, TD_DIRSEP);
|
|
if (!taosCheckExistFile(pSyncNode->configPath)) {
|
|
// create a new raft config file
|
|
SRaftCfgMeta meta = {0};
|
|
meta.isStandBy = pSyncInfo->isStandBy;
|
|
meta.snapshotStrategy = pSyncInfo->snapshotStrategy;
|
|
meta.lastConfigIndex = SYNC_INDEX_INVALID;
|
|
meta.batchSize = pSyncInfo->batchSize;
|
|
if (raftCfgCreateFile(&pSyncInfo->syncCfg, meta, pSyncNode->configPath) != 0) {
|
|
sError("vgId:%d, failed to create raft cfg file at %s", pSyncNode->vgId, pSyncNode->configPath);
|
|
goto _error;
|
|
}
|
|
if (pSyncInfo->syncCfg.replicaNum == 0) {
|
|
sInfo("vgId:%d, sync config not input", pSyncNode->vgId);
|
|
pSyncInfo->syncCfg = pSyncNode->pRaftCfg->cfg;
|
|
}
|
|
} else {
|
|
// update syncCfg by raft_config.json
|
|
pSyncNode->pRaftCfg = raftCfgOpen(pSyncNode->configPath);
|
|
if (pSyncNode->pRaftCfg == NULL) {
|
|
sError("vgId:%d, failed to open raft cfg file at %s", pSyncNode->vgId, pSyncNode->configPath);
|
|
goto _error;
|
|
}
|
|
|
|
if (pSyncInfo->syncCfg.replicaNum > 0 && syncIsConfigChanged(&pSyncNode->pRaftCfg->cfg, &pSyncInfo->syncCfg)) {
|
|
sInfo("vgId:%d, use sync config from input options and write to cfg file", pSyncNode->vgId);
|
|
pSyncNode->pRaftCfg->cfg = pSyncInfo->syncCfg;
|
|
if (raftCfgPersist(pSyncNode->pRaftCfg) != 0) {
|
|
sError("vgId:%d, failed to persist raft cfg file at %s", pSyncNode->vgId, pSyncNode->configPath);
|
|
goto _error;
|
|
}
|
|
} else {
|
|
sInfo("vgId:%d, use sync config from raft cfg file", pSyncNode->vgId);
|
|
pSyncInfo->syncCfg = pSyncNode->pRaftCfg->cfg;
|
|
}
|
|
|
|
raftCfgClose(pSyncNode->pRaftCfg);
|
|
pSyncNode->pRaftCfg = NULL;
|
|
}
|
|
|
|
// init by SSyncInfo
|
|
pSyncNode->vgId = pSyncInfo->vgId;
|
|
SSyncCfg* pCfg = &pSyncInfo->syncCfg;
|
|
sDebug("vgId:%d, replica:%d selfIndex:%d", pSyncNode->vgId, pCfg->replicaNum, pCfg->myIndex);
|
|
for (int32_t i = 0; i < pCfg->replicaNum; ++i) {
|
|
SNodeInfo* pNode = &pCfg->nodeInfo[i];
|
|
sDebug("vgId:%d, index:%d ep:%s:%u", pSyncNode->vgId, i, pNode->nodeFqdn, pNode->nodePort);
|
|
}
|
|
|
|
memcpy(pSyncNode->path, pSyncInfo->path, sizeof(pSyncNode->path));
|
|
snprintf(pSyncNode->raftStorePath, sizeof(pSyncNode->raftStorePath), "%s%sraft_store.json", pSyncInfo->path,
|
|
TD_DIRSEP);
|
|
snprintf(pSyncNode->configPath, sizeof(pSyncNode->configPath), "%s%sraft_config.json", pSyncInfo->path, TD_DIRSEP);
|
|
|
|
pSyncNode->pWal = pSyncInfo->pWal;
|
|
pSyncNode->msgcb = pSyncInfo->msgcb;
|
|
pSyncNode->syncSendMSg = pSyncInfo->syncSendMSg;
|
|
pSyncNode->syncEqMsg = pSyncInfo->syncEqMsg;
|
|
pSyncNode->syncEqCtrlMsg = pSyncInfo->syncEqCtrlMsg;
|
|
|
|
// init raft config
|
|
pSyncNode->pRaftCfg = raftCfgOpen(pSyncNode->configPath);
|
|
if (pSyncNode->pRaftCfg == NULL) {
|
|
sError("vgId:%d, failed to open raft cfg file at %s", pSyncNode->vgId, pSyncNode->configPath);
|
|
goto _error;
|
|
}
|
|
|
|
// init internal
|
|
pSyncNode->myNodeInfo = pSyncNode->pRaftCfg->cfg.nodeInfo[pSyncNode->pRaftCfg->cfg.myIndex];
|
|
if (!syncUtilnodeInfo2raftId(&pSyncNode->myNodeInfo, pSyncNode->vgId, &pSyncNode->myRaftId)) {
|
|
sError("vgId:%d, failed to determine my raft member id", pSyncNode->vgId);
|
|
goto _error;
|
|
}
|
|
|
|
// init peersNum, peers, peersId
|
|
pSyncNode->peersNum = pSyncNode->pRaftCfg->cfg.replicaNum - 1;
|
|
int j = 0;
|
|
for (int i = 0; i < pSyncNode->pRaftCfg->cfg.replicaNum; ++i) {
|
|
if (i != pSyncNode->pRaftCfg->cfg.myIndex) {
|
|
pSyncNode->peersNodeInfo[j] = pSyncNode->pRaftCfg->cfg.nodeInfo[i];
|
|
j++;
|
|
}
|
|
}
|
|
for (int i = 0; i < pSyncNode->peersNum; ++i) {
|
|
if (!syncUtilnodeInfo2raftId(&pSyncNode->peersNodeInfo[i], pSyncNode->vgId, &pSyncNode->peersId[i])) {
|
|
sError("vgId:%d, failed to determine raft member id, peer:%d", pSyncNode->vgId, i);
|
|
goto _error;
|
|
}
|
|
}
|
|
|
|
// init replicaNum, replicasId
|
|
pSyncNode->replicaNum = pSyncNode->pRaftCfg->cfg.replicaNum;
|
|
for (int i = 0; i < pSyncNode->pRaftCfg->cfg.replicaNum; ++i) {
|
|
if (!syncUtilnodeInfo2raftId(&pSyncNode->pRaftCfg->cfg.nodeInfo[i], pSyncNode->vgId, &pSyncNode->replicasId[i])) {
|
|
sError("vgId:%d, failed to determine raft member id, replica:%d", pSyncNode->vgId, i);
|
|
goto _error;
|
|
}
|
|
}
|
|
|
|
// init raft algorithm
|
|
pSyncNode->pFsm = pSyncInfo->pFsm;
|
|
pSyncInfo->pFsm = NULL;
|
|
pSyncNode->quorum = syncUtilQuorum(pSyncNode->pRaftCfg->cfg.replicaNum);
|
|
pSyncNode->leaderCache = EMPTY_RAFT_ID;
|
|
|
|
// init life cycle outside
|
|
|
|
// TLA+ Spec
|
|
// InitHistoryVars == /\ elections = {}
|
|
// /\ allLogs = {}
|
|
// /\ voterLog = [i \in Server |-> [j \in {} |-> <<>>]]
|
|
// InitServerVars == /\ currentTerm = [i \in Server |-> 1]
|
|
// /\ state = [i \in Server |-> Follower]
|
|
// /\ votedFor = [i \in Server |-> Nil]
|
|
// InitCandidateVars == /\ votesResponded = [i \in Server |-> {}]
|
|
// /\ votesGranted = [i \in Server |-> {}]
|
|
// \* The values nextIndex[i][i] and matchIndex[i][i] are never read, since the
|
|
// \* leader does not send itself messages. It's still easier to include these
|
|
// \* in the functions.
|
|
// InitLeaderVars == /\ nextIndex = [i \in Server |-> [j \in Server |-> 1]]
|
|
// /\ matchIndex = [i \in Server |-> [j \in Server |-> 0]]
|
|
// InitLogVars == /\ log = [i \in Server |-> << >>]
|
|
// /\ commitIndex = [i \in Server |-> 0]
|
|
// Init == /\ messages = [m \in {} |-> 0]
|
|
// /\ InitHistoryVars
|
|
// /\ InitServerVars
|
|
// /\ InitCandidateVars
|
|
// /\ InitLeaderVars
|
|
// /\ InitLogVars
|
|
//
|
|
|
|
// init TLA+ server vars
|
|
pSyncNode->state = TAOS_SYNC_STATE_FOLLOWER;
|
|
pSyncNode->pRaftStore = raftStoreOpen(pSyncNode->raftStorePath);
|
|
if (pSyncNode->pRaftStore == NULL) {
|
|
sError("vgId:%d, failed to open raft store at path %s", pSyncNode->vgId, pSyncNode->raftStorePath);
|
|
goto _error;
|
|
}
|
|
|
|
// init TLA+ candidate vars
|
|
pSyncNode->pVotesGranted = voteGrantedCreate(pSyncNode);
|
|
if (pSyncNode->pVotesGranted == NULL) {
|
|
sError("vgId:%d, failed to create VotesGranted", pSyncNode->vgId);
|
|
goto _error;
|
|
}
|
|
pSyncNode->pVotesRespond = votesRespondCreate(pSyncNode);
|
|
if (pSyncNode->pVotesRespond == NULL) {
|
|
sError("vgId:%d, failed to create VotesRespond", pSyncNode->vgId);
|
|
goto _error;
|
|
}
|
|
|
|
// init TLA+ leader vars
|
|
pSyncNode->pNextIndex = syncIndexMgrCreate(pSyncNode);
|
|
if (pSyncNode->pNextIndex == NULL) {
|
|
sError("vgId:%d, failed to create SyncIndexMgr", pSyncNode->vgId);
|
|
goto _error;
|
|
}
|
|
pSyncNode->pMatchIndex = syncIndexMgrCreate(pSyncNode);
|
|
if (pSyncNode->pMatchIndex == NULL) {
|
|
sError("vgId:%d, failed to create SyncIndexMgr", pSyncNode->vgId);
|
|
goto _error;
|
|
}
|
|
|
|
// init TLA+ log vars
|
|
pSyncNode->pLogStore = logStoreCreate(pSyncNode);
|
|
if (pSyncNode->pLogStore == NULL) {
|
|
sError("vgId:%d, failed to create SyncLogStore", pSyncNode->vgId);
|
|
goto _error;
|
|
}
|
|
|
|
SyncIndex commitIndex = SYNC_INDEX_INVALID;
|
|
if (pSyncNode->pFsm != NULL && pSyncNode->pFsm->FpGetSnapshotInfo != NULL) {
|
|
SSnapshot snapshot = {0};
|
|
int32_t code = pSyncNode->pFsm->FpGetSnapshotInfo(pSyncNode->pFsm, &snapshot);
|
|
if (code != 0) {
|
|
sError("vgId:%d, failed to get snapshot info, code:%d", pSyncNode->vgId, code);
|
|
goto _error;
|
|
}
|
|
if (snapshot.lastApplyIndex > commitIndex) {
|
|
commitIndex = snapshot.lastApplyIndex;
|
|
syncNodeEventLog(pSyncNode, "reset commit index by snapshot");
|
|
}
|
|
}
|
|
pSyncNode->commitIndex = commitIndex;
|
|
|
|
// timer ms init
|
|
pSyncNode->pingBaseLine = PING_TIMER_MS;
|
|
pSyncNode->electBaseLine = ELECT_TIMER_MS_MIN;
|
|
pSyncNode->hbBaseLine = HEARTBEAT_TIMER_MS;
|
|
|
|
// init ping timer
|
|
pSyncNode->pPingTimer = NULL;
|
|
pSyncNode->pingTimerMS = pSyncNode->pingBaseLine;
|
|
atomic_store_64(&pSyncNode->pingTimerLogicClock, 0);
|
|
atomic_store_64(&pSyncNode->pingTimerLogicClockUser, 0);
|
|
pSyncNode->FpPingTimerCB = syncNodeEqPingTimer;
|
|
pSyncNode->pingTimerCounter = 0;
|
|
|
|
// init elect timer
|
|
pSyncNode->pElectTimer = NULL;
|
|
pSyncNode->electTimerMS = syncUtilElectRandomMS(pSyncNode->electBaseLine, 2 * pSyncNode->electBaseLine);
|
|
atomic_store_64(&pSyncNode->electTimerLogicClock, 0);
|
|
pSyncNode->FpElectTimerCB = syncNodeEqElectTimer;
|
|
pSyncNode->electTimerCounter = 0;
|
|
|
|
// init heartbeat timer
|
|
pSyncNode->pHeartbeatTimer = NULL;
|
|
pSyncNode->heartbeatTimerMS = pSyncNode->hbBaseLine;
|
|
atomic_store_64(&pSyncNode->heartbeatTimerLogicClock, 0);
|
|
atomic_store_64(&pSyncNode->heartbeatTimerLogicClockUser, 0);
|
|
pSyncNode->FpHeartbeatTimerCB = syncNodeEqHeartbeatTimer;
|
|
pSyncNode->heartbeatTimerCounter = 0;
|
|
|
|
// init peer heartbeat timer
|
|
for (int32_t i = 0; i < TSDB_MAX_REPLICA; ++i) {
|
|
syncHbTimerInit(pSyncNode, &(pSyncNode->peerHeartbeatTimerArr[i]), (pSyncNode->replicasId)[i]);
|
|
}
|
|
|
|
// init callback
|
|
pSyncNode->FpOnPing = syncNodeOnPing;
|
|
pSyncNode->FpOnPingReply = syncNodeOnPingReply;
|
|
pSyncNode->FpOnClientRequest = syncNodeOnClientRequest;
|
|
pSyncNode->FpOnTimeout = syncNodeOnTimer;
|
|
pSyncNode->FpOnSnapshot = syncNodeOnSnapshot;
|
|
pSyncNode->FpOnSnapshotReply = syncNodeOnSnapshotReply;
|
|
pSyncNode->FpOnRequestVote = syncNodeOnRequestVote;
|
|
pSyncNode->FpOnRequestVoteReply = syncNodeOnRequestVoteReply;
|
|
pSyncNode->FpOnAppendEntries = syncNodeOnAppendEntries;
|
|
pSyncNode->FpOnAppendEntriesReply = syncNodeOnAppendEntriesReply;
|
|
|
|
// tools
|
|
pSyncNode->pSyncRespMgr = syncRespMgrCreate(pSyncNode, SYNC_RESP_TTL_MS);
|
|
if (pSyncNode->pSyncRespMgr == NULL) {
|
|
sError("vgId:%d, failed to create SyncRespMgr", pSyncNode->vgId);
|
|
goto _error;
|
|
}
|
|
|
|
// restore state
|
|
pSyncNode->restoreFinish = false;
|
|
|
|
// snapshot senders
|
|
for (int i = 0; i < TSDB_MAX_REPLICA; ++i) {
|
|
SSyncSnapshotSender* pSender = snapshotSenderCreate(pSyncNode, i);
|
|
// ASSERT(pSender != NULL);
|
|
(pSyncNode->senders)[i] = pSender;
|
|
}
|
|
|
|
// snapshot receivers
|
|
pSyncNode->pNewNodeReceiver = snapshotReceiverCreate(pSyncNode, EMPTY_RAFT_ID);
|
|
|
|
// is config changing
|
|
pSyncNode->changing = false;
|
|
|
|
// peer state
|
|
syncNodePeerStateInit(pSyncNode);
|
|
|
|
// min match index
|
|
pSyncNode->minMatchIndex = SYNC_INDEX_INVALID;
|
|
|
|
// start in syncNodeStart
|
|
// start raft
|
|
// syncNodeBecomeFollower(pSyncNode);
|
|
|
|
int64_t timeNow = taosGetTimestampMs();
|
|
pSyncNode->startTime = timeNow;
|
|
pSyncNode->leaderTime = timeNow;
|
|
pSyncNode->lastReplicateTime = timeNow;
|
|
|
|
// snapshotting
|
|
atomic_store_64(&pSyncNode->snapshottingIndex, SYNC_INDEX_INVALID);
|
|
|
|
syncNodeEventLog(pSyncNode, "sync open");
|
|
|
|
return pSyncNode;
|
|
|
|
_error:
|
|
if (pSyncInfo->pFsm) {
|
|
taosMemoryFree(pSyncInfo->pFsm);
|
|
pSyncInfo->pFsm = NULL;
|
|
}
|
|
syncNodeClose(pSyncNode);
|
|
pSyncNode = NULL;
|
|
return NULL;
|
|
}
|
|
|
|
void syncNodeMaybeUpdateCommitBySnapshot(SSyncNode* pSyncNode) {
|
|
if (pSyncNode->pFsm != NULL && pSyncNode->pFsm->FpGetSnapshotInfo != NULL) {
|
|
SSnapshot snapshot;
|
|
int32_t code = pSyncNode->pFsm->FpGetSnapshotInfo(pSyncNode->pFsm, &snapshot);
|
|
ASSERT(code == 0);
|
|
if (snapshot.lastApplyIndex > pSyncNode->commitIndex) {
|
|
pSyncNode->commitIndex = snapshot.lastApplyIndex;
|
|
}
|
|
}
|
|
}
|
|
|
|
void syncNodeStart(SSyncNode* pSyncNode) {
|
|
// start raft
|
|
if (pSyncNode->replicaNum == 1) {
|
|
raftStoreNextTerm(pSyncNode->pRaftStore);
|
|
syncNodeBecomeLeader(pSyncNode, "one replica start");
|
|
|
|
// Raft 3.6.2 Committing entries from previous terms
|
|
syncNodeAppendNoop(pSyncNode);
|
|
syncMaybeAdvanceCommitIndex(pSyncNode);
|
|
|
|
} else {
|
|
syncNodeBecomeFollower(pSyncNode, "first start");
|
|
}
|
|
|
|
int32_t ret = 0;
|
|
ret = syncNodeStartPingTimer(pSyncNode);
|
|
ASSERT(ret == 0);
|
|
}
|
|
|
|
void syncNodeStartStandBy(SSyncNode* pSyncNode) {
|
|
// state change
|
|
pSyncNode->state = TAOS_SYNC_STATE_FOLLOWER;
|
|
syncNodeStopHeartbeatTimer(pSyncNode);
|
|
|
|
// reset elect timer, long enough
|
|
int32_t electMS = TIMER_MAX_MS;
|
|
int32_t ret = syncNodeRestartElectTimer(pSyncNode, electMS);
|
|
ASSERT(ret == 0);
|
|
|
|
ret = 0;
|
|
ret = syncNodeStartPingTimer(pSyncNode);
|
|
ASSERT(ret == 0);
|
|
}
|
|
|
|
void syncNodeClose(SSyncNode* pSyncNode) {
|
|
if (pSyncNode == NULL) {
|
|
return;
|
|
}
|
|
int32_t ret;
|
|
|
|
syncNodeEventLog(pSyncNode, "sync close");
|
|
|
|
ret = raftStoreClose(pSyncNode->pRaftStore);
|
|
ASSERT(ret == 0);
|
|
|
|
syncRespMgrDestroy(pSyncNode->pSyncRespMgr);
|
|
pSyncNode->pSyncRespMgr = NULL;
|
|
voteGrantedDestroy(pSyncNode->pVotesGranted);
|
|
pSyncNode->pVotesGranted = NULL;
|
|
votesRespondDestory(pSyncNode->pVotesRespond);
|
|
pSyncNode->pVotesRespond = NULL;
|
|
syncIndexMgrDestroy(pSyncNode->pNextIndex);
|
|
pSyncNode->pNextIndex = NULL;
|
|
syncIndexMgrDestroy(pSyncNode->pMatchIndex);
|
|
pSyncNode->pMatchIndex = NULL;
|
|
logStoreDestory(pSyncNode->pLogStore);
|
|
pSyncNode->pLogStore = NULL;
|
|
raftCfgClose(pSyncNode->pRaftCfg);
|
|
pSyncNode->pRaftCfg = NULL;
|
|
|
|
syncNodeStopPingTimer(pSyncNode);
|
|
syncNodeStopElectTimer(pSyncNode);
|
|
syncNodeStopHeartbeatTimer(pSyncNode);
|
|
|
|
if (pSyncNode->pFsm != NULL) {
|
|
taosMemoryFree(pSyncNode->pFsm);
|
|
}
|
|
|
|
for (int i = 0; i < TSDB_MAX_REPLICA; ++i) {
|
|
if ((pSyncNode->senders)[i] != NULL) {
|
|
snapshotSenderDestroy((pSyncNode->senders)[i]);
|
|
(pSyncNode->senders)[i] = NULL;
|
|
}
|
|
}
|
|
|
|
if (pSyncNode->pNewNodeReceiver != NULL) {
|
|
snapshotReceiverDestroy(pSyncNode->pNewNodeReceiver);
|
|
pSyncNode->pNewNodeReceiver = NULL;
|
|
}
|
|
|
|
taosMemoryFree(pSyncNode);
|
|
}
|
|
|
|
// option
|
|
// bool syncNodeSnapshotEnable(SSyncNode* pSyncNode) { return pSyncNode->pRaftCfg->snapshotEnable; }
|
|
|
|
ESyncStrategy syncNodeStrategy(SSyncNode* pSyncNode) { return pSyncNode->pRaftCfg->snapshotStrategy; }
|
|
|
|
// ping --------------
|
|
int32_t syncNodePing(SSyncNode* pSyncNode, const SRaftId* destRaftId, SyncPing* pMsg) {
|
|
syncPingLog2((char*)"==syncNodePing==", pMsg);
|
|
int32_t ret = 0;
|
|
|
|
SRpcMsg rpcMsg;
|
|
syncPing2RpcMsg(pMsg, &rpcMsg);
|
|
syncRpcMsgLog2((char*)"==syncNodePing==", &rpcMsg);
|
|
|
|
ret = syncNodeSendMsgById(destRaftId, pSyncNode, &rpcMsg);
|
|
return ret;
|
|
}
|
|
|
|
int32_t syncNodePingSelf(SSyncNode* pSyncNode) {
|
|
int32_t ret = 0;
|
|
SyncPing* pMsg = syncPingBuild3(&pSyncNode->myRaftId, &pSyncNode->myRaftId, pSyncNode->vgId);
|
|
ret = syncNodePing(pSyncNode, &pMsg->destId, pMsg);
|
|
ASSERT(ret == 0);
|
|
|
|
syncPingDestroy(pMsg);
|
|
return ret;
|
|
}
|
|
|
|
int32_t syncNodePingPeers(SSyncNode* pSyncNode) {
|
|
int32_t ret = 0;
|
|
for (int i = 0; i < pSyncNode->peersNum; ++i) {
|
|
SRaftId* destId = &(pSyncNode->peersId[i]);
|
|
SyncPing* pMsg = syncPingBuild3(&pSyncNode->myRaftId, destId, pSyncNode->vgId);
|
|
ret = syncNodePing(pSyncNode, destId, pMsg);
|
|
ASSERT(ret == 0);
|
|
syncPingDestroy(pMsg);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int32_t syncNodePingAll(SSyncNode* pSyncNode) {
|
|
int32_t ret = 0;
|
|
for (int i = 0; i < pSyncNode->pRaftCfg->cfg.replicaNum; ++i) {
|
|
SRaftId* destId = &(pSyncNode->replicasId[i]);
|
|
SyncPing* pMsg = syncPingBuild3(&pSyncNode->myRaftId, destId, pSyncNode->vgId);
|
|
ret = syncNodePing(pSyncNode, destId, pMsg);
|
|
ASSERT(ret == 0);
|
|
syncPingDestroy(pMsg);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
// timer control --------------
|
|
int32_t syncNodeStartPingTimer(SSyncNode* pSyncNode) {
|
|
int32_t ret = 0;
|
|
if (syncIsInit()) {
|
|
taosTmrReset(pSyncNode->FpPingTimerCB, pSyncNode->pingTimerMS, pSyncNode, syncEnv()->pTimerManager,
|
|
&pSyncNode->pPingTimer);
|
|
atomic_store_64(&pSyncNode->pingTimerLogicClock, pSyncNode->pingTimerLogicClockUser);
|
|
} else {
|
|
sError("vgId:%d, start ping timer error, sync env is stop", pSyncNode->vgId);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int32_t syncNodeStopPingTimer(SSyncNode* pSyncNode) {
|
|
int32_t ret = 0;
|
|
atomic_add_fetch_64(&pSyncNode->pingTimerLogicClockUser, 1);
|
|
taosTmrStop(pSyncNode->pPingTimer);
|
|
pSyncNode->pPingTimer = NULL;
|
|
return ret;
|
|
}
|
|
|
|
int32_t syncNodeStartElectTimer(SSyncNode* pSyncNode, int32_t ms) {
|
|
int32_t ret = 0;
|
|
if (syncIsInit()) {
|
|
pSyncNode->electTimerMS = ms;
|
|
|
|
SElectTimer* pElectTimer = taosMemoryMalloc(sizeof(SElectTimer));
|
|
pElectTimer->logicClock = pSyncNode->electTimerLogicClock;
|
|
pElectTimer->pSyncNode = pSyncNode;
|
|
pElectTimer->pData = NULL;
|
|
|
|
taosTmrReset(pSyncNode->FpElectTimerCB, pSyncNode->electTimerMS, pElectTimer, syncEnv()->pTimerManager,
|
|
&pSyncNode->pElectTimer);
|
|
|
|
} else {
|
|
sError("vgId:%d, start elect timer error, sync env is stop", pSyncNode->vgId);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int32_t syncNodeStopElectTimer(SSyncNode* pSyncNode) {
|
|
int32_t ret = 0;
|
|
atomic_add_fetch_64(&pSyncNode->electTimerLogicClock, 1);
|
|
taosTmrStop(pSyncNode->pElectTimer);
|
|
pSyncNode->pElectTimer = NULL;
|
|
|
|
return ret;
|
|
}
|
|
|
|
int32_t syncNodeRestartElectTimer(SSyncNode* pSyncNode, int32_t ms) {
|
|
int32_t ret = 0;
|
|
syncNodeStopElectTimer(pSyncNode);
|
|
syncNodeStartElectTimer(pSyncNode, ms);
|
|
return ret;
|
|
}
|
|
|
|
int32_t syncNodeResetElectTimer(SSyncNode* pSyncNode) {
|
|
int32_t ret = 0;
|
|
int32_t electMS;
|
|
|
|
if (pSyncNode->pRaftCfg->isStandBy) {
|
|
electMS = TIMER_MAX_MS;
|
|
} else {
|
|
electMS = syncUtilElectRandomMS(pSyncNode->electBaseLine, 2 * pSyncNode->electBaseLine);
|
|
}
|
|
ret = syncNodeRestartElectTimer(pSyncNode, electMS);
|
|
|
|
do {
|
|
char logBuf[128];
|
|
snprintf(logBuf, sizeof(logBuf), "reset elect timer, min:%d, max:%d, ms:%d", pSyncNode->electBaseLine,
|
|
2 * pSyncNode->electBaseLine, electMS);
|
|
syncNodeEventLog(pSyncNode, logBuf);
|
|
} while (0);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int32_t syncNodeDoStartHeartbeatTimer(SSyncNode* pSyncNode) {
|
|
int32_t ret = 0;
|
|
if (syncIsInit()) {
|
|
taosTmrReset(pSyncNode->FpHeartbeatTimerCB, pSyncNode->heartbeatTimerMS, pSyncNode, syncEnv()->pTimerManager,
|
|
&pSyncNode->pHeartbeatTimer);
|
|
atomic_store_64(&pSyncNode->heartbeatTimerLogicClock, pSyncNode->heartbeatTimerLogicClockUser);
|
|
} else {
|
|
sError("vgId:%d, start heartbeat timer error, sync env is stop", pSyncNode->vgId);
|
|
}
|
|
|
|
do {
|
|
char logBuf[128];
|
|
snprintf(logBuf, sizeof(logBuf), "start heartbeat timer, ms:%d", pSyncNode->heartbeatTimerMS);
|
|
syncNodeEventLog(pSyncNode, logBuf);
|
|
} while (0);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int32_t syncNodeStartHeartbeatTimer(SSyncNode* pSyncNode) {
|
|
int32_t ret = 0;
|
|
|
|
#if 0
|
|
pSyncNode->heartbeatTimerMS = pSyncNode->hbBaseLine;
|
|
ret = syncNodeDoStartHeartbeatTimer(pSyncNode);
|
|
#endif
|
|
|
|
for (int i = 0; i < pSyncNode->peersNum; ++i) {
|
|
SSyncTimer* pSyncTimer = syncNodeGetHbTimer(pSyncNode, &(pSyncNode->peersId[i]));
|
|
if (pSyncTimer != NULL) {
|
|
syncHbTimerStart(pSyncNode, pSyncTimer);
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
int32_t syncNodeStopHeartbeatTimer(SSyncNode* pSyncNode) {
|
|
int32_t ret = 0;
|
|
|
|
#if 0
|
|
atomic_add_fetch_64(&pSyncNode->heartbeatTimerLogicClockUser, 1);
|
|
taosTmrStop(pSyncNode->pHeartbeatTimer);
|
|
pSyncNode->pHeartbeatTimer = NULL;
|
|
#endif
|
|
|
|
for (int i = 0; i < pSyncNode->peersNum; ++i) {
|
|
SSyncTimer* pSyncTimer = syncNodeGetHbTimer(pSyncNode, &(pSyncNode->peersId[i]));
|
|
if (pSyncTimer != NULL) {
|
|
syncHbTimerStop(pSyncNode, pSyncTimer);
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
int32_t syncNodeRestartHeartbeatTimer(SSyncNode* pSyncNode) {
|
|
syncNodeStopHeartbeatTimer(pSyncNode);
|
|
syncNodeStartHeartbeatTimer(pSyncNode);
|
|
return 0;
|
|
}
|
|
|
|
// utils --------------
|
|
int32_t syncNodeSendMsgById(const SRaftId* destRaftId, SSyncNode* pSyncNode, SRpcMsg* pMsg) {
|
|
SEpSet epSet;
|
|
syncUtilraftId2EpSet(destRaftId, &epSet);
|
|
if (pSyncNode->syncSendMSg != NULL) {
|
|
// htonl
|
|
syncUtilMsgHtoN(pMsg->pCont);
|
|
|
|
pMsg->info.noResp = 1;
|
|
pSyncNode->syncSendMSg(&epSet, pMsg);
|
|
} else {
|
|
sError("vgId:%d, sync send msg by id error, fp-send-msg is null", pSyncNode->vgId);
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int32_t syncNodeSendMsgByInfo(const SNodeInfo* nodeInfo, SSyncNode* pSyncNode, SRpcMsg* pMsg) {
|
|
SEpSet epSet;
|
|
syncUtilnodeInfo2EpSet(nodeInfo, &epSet);
|
|
if (pSyncNode->syncSendMSg != NULL) {
|
|
// htonl
|
|
syncUtilMsgHtoN(pMsg->pCont);
|
|
|
|
pMsg->info.noResp = 1;
|
|
pSyncNode->syncSendMSg(&epSet, pMsg);
|
|
} else {
|
|
sError("vgId:%d, sync send msg by info error, fp-send-msg is null", pSyncNode->vgId);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
cJSON* syncNode2Json(const SSyncNode* pSyncNode) {
|
|
char u64buf[128] = {0};
|
|
cJSON* pRoot = cJSON_CreateObject();
|
|
|
|
if (pSyncNode != NULL) {
|
|
// init by SSyncInfo
|
|
cJSON_AddNumberToObject(pRoot, "vgId", pSyncNode->vgId);
|
|
cJSON_AddItemToObject(pRoot, "SRaftCfg", raftCfg2Json(pSyncNode->pRaftCfg));
|
|
cJSON_AddStringToObject(pRoot, "path", pSyncNode->path);
|
|
cJSON_AddStringToObject(pRoot, "raftStorePath", pSyncNode->raftStorePath);
|
|
cJSON_AddStringToObject(pRoot, "configPath", pSyncNode->configPath);
|
|
|
|
snprintf(u64buf, sizeof(u64buf), "%p", pSyncNode->pWal);
|
|
cJSON_AddStringToObject(pRoot, "pWal", u64buf);
|
|
|
|
snprintf(u64buf, sizeof(u64buf), "%p", pSyncNode->msgcb);
|
|
cJSON_AddStringToObject(pRoot, "rpcClient", u64buf);
|
|
snprintf(u64buf, sizeof(u64buf), "%p", pSyncNode->syncSendMSg);
|
|
cJSON_AddStringToObject(pRoot, "syncSendMSg", u64buf);
|
|
|
|
snprintf(u64buf, sizeof(u64buf), "%p", pSyncNode->msgcb);
|
|
cJSON_AddStringToObject(pRoot, "queue", u64buf);
|
|
snprintf(u64buf, sizeof(u64buf), "%p", pSyncNode->syncEqMsg);
|
|
cJSON_AddStringToObject(pRoot, "syncEqMsg", u64buf);
|
|
|
|
// init internal
|
|
cJSON* pMe = syncUtilNodeInfo2Json(&pSyncNode->myNodeInfo);
|
|
cJSON_AddItemToObject(pRoot, "myNodeInfo", pMe);
|
|
cJSON* pRaftId = syncUtilRaftId2Json(&pSyncNode->myRaftId);
|
|
cJSON_AddItemToObject(pRoot, "myRaftId", pRaftId);
|
|
|
|
cJSON_AddNumberToObject(pRoot, "peersNum", pSyncNode->peersNum);
|
|
cJSON* pPeers = cJSON_CreateArray();
|
|
cJSON_AddItemToObject(pRoot, "peersNodeInfo", pPeers);
|
|
for (int i = 0; i < pSyncNode->peersNum; ++i) {
|
|
cJSON_AddItemToArray(pPeers, syncUtilNodeInfo2Json(&pSyncNode->peersNodeInfo[i]));
|
|
}
|
|
cJSON* pPeersId = cJSON_CreateArray();
|
|
cJSON_AddItemToObject(pRoot, "peersId", pPeersId);
|
|
for (int i = 0; i < pSyncNode->peersNum; ++i) {
|
|
cJSON_AddItemToArray(pPeersId, syncUtilRaftId2Json(&pSyncNode->peersId[i]));
|
|
}
|
|
|
|
cJSON_AddNumberToObject(pRoot, "replicaNum", pSyncNode->replicaNum);
|
|
cJSON* pReplicasId = cJSON_CreateArray();
|
|
cJSON_AddItemToObject(pRoot, "replicasId", pReplicasId);
|
|
for (int i = 0; i < pSyncNode->replicaNum; ++i) {
|
|
cJSON_AddItemToArray(pReplicasId, syncUtilRaftId2Json(&pSyncNode->replicasId[i]));
|
|
}
|
|
|
|
// raft algorithm
|
|
snprintf(u64buf, sizeof(u64buf), "%p", pSyncNode->pFsm);
|
|
cJSON_AddStringToObject(pRoot, "pFsm", u64buf);
|
|
cJSON_AddNumberToObject(pRoot, "quorum", pSyncNode->quorum);
|
|
cJSON* pLaderCache = syncUtilRaftId2Json(&pSyncNode->leaderCache);
|
|
cJSON_AddItemToObject(pRoot, "leaderCache", pLaderCache);
|
|
|
|
// life cycle
|
|
snprintf(u64buf, sizeof(u64buf), "%" PRId64, pSyncNode->rid);
|
|
cJSON_AddStringToObject(pRoot, "rid", u64buf);
|
|
|
|
// tla+ server vars
|
|
cJSON_AddNumberToObject(pRoot, "state", pSyncNode->state);
|
|
cJSON_AddStringToObject(pRoot, "state_str", syncStr(pSyncNode->state));
|
|
cJSON_AddItemToObject(pRoot, "pRaftStore", raftStore2Json(pSyncNode->pRaftStore));
|
|
|
|
// tla+ candidate vars
|
|
cJSON_AddItemToObject(pRoot, "pVotesGranted", voteGranted2Json(pSyncNode->pVotesGranted));
|
|
cJSON_AddItemToObject(pRoot, "pVotesRespond", votesRespond2Json(pSyncNode->pVotesRespond));
|
|
|
|
// tla+ leader vars
|
|
cJSON_AddItemToObject(pRoot, "pNextIndex", syncIndexMgr2Json(pSyncNode->pNextIndex));
|
|
cJSON_AddItemToObject(pRoot, "pMatchIndex", syncIndexMgr2Json(pSyncNode->pMatchIndex));
|
|
|
|
// tla+ log vars
|
|
cJSON_AddItemToObject(pRoot, "pLogStore", logStore2Json(pSyncNode->pLogStore));
|
|
snprintf(u64buf, sizeof(u64buf), "%" PRId64, pSyncNode->commitIndex);
|
|
cJSON_AddStringToObject(pRoot, "commitIndex", u64buf);
|
|
|
|
// timer ms init
|
|
cJSON_AddNumberToObject(pRoot, "pingBaseLine", pSyncNode->pingBaseLine);
|
|
cJSON_AddNumberToObject(pRoot, "electBaseLine", pSyncNode->electBaseLine);
|
|
cJSON_AddNumberToObject(pRoot, "hbBaseLine", pSyncNode->hbBaseLine);
|
|
|
|
// ping timer
|
|
snprintf(u64buf, sizeof(u64buf), "%p", pSyncNode->pPingTimer);
|
|
cJSON_AddStringToObject(pRoot, "pPingTimer", u64buf);
|
|
cJSON_AddNumberToObject(pRoot, "pingTimerMS", pSyncNode->pingTimerMS);
|
|
snprintf(u64buf, sizeof(u64buf), "%" PRIu64, pSyncNode->pingTimerLogicClock);
|
|
cJSON_AddStringToObject(pRoot, "pingTimerLogicClock", u64buf);
|
|
snprintf(u64buf, sizeof(u64buf), "%" PRIu64, pSyncNode->pingTimerLogicClockUser);
|
|
cJSON_AddStringToObject(pRoot, "pingTimerLogicClockUser", u64buf);
|
|
snprintf(u64buf, sizeof(u64buf), "%p", pSyncNode->FpPingTimerCB);
|
|
cJSON_AddStringToObject(pRoot, "FpPingTimerCB", u64buf);
|
|
snprintf(u64buf, sizeof(u64buf), "%" PRIu64, pSyncNode->pingTimerCounter);
|
|
cJSON_AddStringToObject(pRoot, "pingTimerCounter", u64buf);
|
|
|
|
// elect timer
|
|
snprintf(u64buf, sizeof(u64buf), "%p", pSyncNode->pElectTimer);
|
|
cJSON_AddStringToObject(pRoot, "pElectTimer", u64buf);
|
|
cJSON_AddNumberToObject(pRoot, "electTimerMS", pSyncNode->electTimerMS);
|
|
snprintf(u64buf, sizeof(u64buf), "%" PRIu64, pSyncNode->electTimerLogicClock);
|
|
cJSON_AddStringToObject(pRoot, "electTimerLogicClock", u64buf);
|
|
snprintf(u64buf, sizeof(u64buf), "%p", pSyncNode->FpElectTimerCB);
|
|
cJSON_AddStringToObject(pRoot, "FpElectTimerCB", u64buf);
|
|
snprintf(u64buf, sizeof(u64buf), "%" PRIu64, pSyncNode->electTimerCounter);
|
|
cJSON_AddStringToObject(pRoot, "electTimerCounter", u64buf);
|
|
|
|
// heartbeat timer
|
|
snprintf(u64buf, sizeof(u64buf), "%p", pSyncNode->pHeartbeatTimer);
|
|
cJSON_AddStringToObject(pRoot, "pHeartbeatTimer", u64buf);
|
|
cJSON_AddNumberToObject(pRoot, "heartbeatTimerMS", pSyncNode->heartbeatTimerMS);
|
|
snprintf(u64buf, sizeof(u64buf), "%" PRIu64, pSyncNode->heartbeatTimerLogicClock);
|
|
cJSON_AddStringToObject(pRoot, "heartbeatTimerLogicClock", u64buf);
|
|
snprintf(u64buf, sizeof(u64buf), "%" PRIu64, pSyncNode->heartbeatTimerLogicClockUser);
|
|
cJSON_AddStringToObject(pRoot, "heartbeatTimerLogicClockUser", u64buf);
|
|
snprintf(u64buf, sizeof(u64buf), "%p", pSyncNode->FpHeartbeatTimerCB);
|
|
cJSON_AddStringToObject(pRoot, "FpHeartbeatTimerCB", u64buf);
|
|
snprintf(u64buf, sizeof(u64buf), "%" PRIu64, pSyncNode->heartbeatTimerCounter);
|
|
cJSON_AddStringToObject(pRoot, "heartbeatTimerCounter", u64buf);
|
|
|
|
// callback
|
|
snprintf(u64buf, sizeof(u64buf), "%p", pSyncNode->FpOnPing);
|
|
cJSON_AddStringToObject(pRoot, "FpOnPing", u64buf);
|
|
snprintf(u64buf, sizeof(u64buf), "%p", pSyncNode->FpOnPingReply);
|
|
cJSON_AddStringToObject(pRoot, "FpOnPingReply", u64buf);
|
|
snprintf(u64buf, sizeof(u64buf), "%p", pSyncNode->FpOnRequestVote);
|
|
cJSON_AddStringToObject(pRoot, "FpOnRequestVote", u64buf);
|
|
snprintf(u64buf, sizeof(u64buf), "%p", pSyncNode->FpOnRequestVoteReply);
|
|
cJSON_AddStringToObject(pRoot, "FpOnRequestVoteReply", u64buf);
|
|
snprintf(u64buf, sizeof(u64buf), "%p", pSyncNode->FpOnAppendEntries);
|
|
cJSON_AddStringToObject(pRoot, "FpOnAppendEntries", u64buf);
|
|
snprintf(u64buf, sizeof(u64buf), "%p", pSyncNode->FpOnAppendEntriesReply);
|
|
cJSON_AddStringToObject(pRoot, "FpOnAppendEntriesReply", u64buf);
|
|
snprintf(u64buf, sizeof(u64buf), "%p", pSyncNode->FpOnTimeout);
|
|
cJSON_AddStringToObject(pRoot, "FpOnTimeout", u64buf);
|
|
|
|
// restoreFinish
|
|
cJSON_AddNumberToObject(pRoot, "restoreFinish", pSyncNode->restoreFinish);
|
|
|
|
// snapshot senders
|
|
cJSON* pSenders = cJSON_CreateArray();
|
|
cJSON_AddItemToObject(pRoot, "senders", pSenders);
|
|
for (int i = 0; i < TSDB_MAX_REPLICA; ++i) {
|
|
cJSON_AddItemToArray(pSenders, snapshotSender2Json((pSyncNode->senders)[i]));
|
|
}
|
|
|
|
// snapshot receivers
|
|
cJSON* pReceivers = cJSON_CreateArray();
|
|
cJSON_AddItemToObject(pRoot, "receiver", snapshotReceiver2Json(pSyncNode->pNewNodeReceiver));
|
|
|
|
// changing
|
|
cJSON_AddNumberToObject(pRoot, "changing", pSyncNode->changing);
|
|
}
|
|
|
|
cJSON* pJson = cJSON_CreateObject();
|
|
cJSON_AddItemToObject(pJson, "SSyncNode", pRoot);
|
|
return pJson;
|
|
}
|
|
|
|
char* syncNode2Str(const SSyncNode* pSyncNode) {
|
|
cJSON* pJson = syncNode2Json(pSyncNode);
|
|
char* serialized = cJSON_Print(pJson);
|
|
cJSON_Delete(pJson);
|
|
return serialized;
|
|
}
|
|
|
|
inline void syncNodeEventLog(const SSyncNode* pSyncNode, char* str) {
|
|
if (pSyncNode == NULL) {
|
|
return;
|
|
}
|
|
|
|
SSnapshot snapshot = {.data = NULL, .lastApplyIndex = -1, .lastApplyTerm = 0};
|
|
if (pSyncNode->pFsm != NULL && pSyncNode->pFsm->FpGetSnapshotInfo != NULL) {
|
|
pSyncNode->pFsm->FpGetSnapshotInfo(pSyncNode->pFsm, &snapshot);
|
|
}
|
|
|
|
SyncIndex logLastIndex = SYNC_INDEX_INVALID;
|
|
SyncIndex logBeginIndex = SYNC_INDEX_INVALID;
|
|
if (pSyncNode->pLogStore != NULL) {
|
|
logLastIndex = pSyncNode->pLogStore->syncLogLastIndex(pSyncNode->pLogStore);
|
|
logBeginIndex = pSyncNode->pLogStore->syncLogBeginIndex(pSyncNode->pLogStore);
|
|
}
|
|
|
|
char* pCfgStr = syncCfg2SimpleStr(&(pSyncNode->pRaftCfg->cfg));
|
|
char* printStr = "";
|
|
if (pCfgStr != NULL) {
|
|
printStr = pCfgStr;
|
|
}
|
|
|
|
char* peerStateStr = syncNodePeerState2Str(pSyncNode);
|
|
int32_t userStrLen = strlen(str) + strlen(peerStateStr);
|
|
|
|
if (userStrLen < 256) {
|
|
char logBuf[256 + 256];
|
|
if (pSyncNode != NULL && pSyncNode->pRaftCfg != NULL && pSyncNode->pRaftStore != NULL) {
|
|
snprintf(logBuf, sizeof(logBuf),
|
|
"vgId:%d, sync %s %s, tm:%" PRIu64 ", cmt:%" PRId64 ", fst:%" PRId64 ", lst:%" PRId64 ", min:%" PRId64
|
|
", snap:%" PRId64 ", snap-tm:%" PRIu64
|
|
", sby:%d, "
|
|
"stgy:%d, bch:%d, "
|
|
"r-num:%d, "
|
|
"lcfg:%" PRId64 ", chging:%d, rsto:%d, dquorum:%d, elt:%" PRId64 ", hb:%" PRId64 ", %s, %s",
|
|
pSyncNode->vgId, syncStr(pSyncNode->state), str, pSyncNode->pRaftStore->currentTerm,
|
|
pSyncNode->commitIndex, logBeginIndex, logLastIndex, pSyncNode->minMatchIndex, snapshot.lastApplyIndex,
|
|
snapshot.lastApplyTerm, pSyncNode->pRaftCfg->isStandBy, pSyncNode->pRaftCfg->snapshotStrategy,
|
|
pSyncNode->pRaftCfg->batchSize, pSyncNode->replicaNum, pSyncNode->pRaftCfg->lastConfigIndex,
|
|
pSyncNode->changing, pSyncNode->restoreFinish, syncNodeDynamicQuorum(pSyncNode),
|
|
pSyncNode->electTimerLogicClock, pSyncNode->heartbeatTimerLogicClockUser, peerStateStr, printStr);
|
|
} else {
|
|
snprintf(logBuf, sizeof(logBuf), "%s", str);
|
|
}
|
|
// sDebug("%s", logBuf);
|
|
// sInfo("%s", logBuf);
|
|
sTrace("%s", logBuf);
|
|
|
|
} else {
|
|
int len = 256 + userStrLen;
|
|
char* s = (char*)taosMemoryMalloc(len);
|
|
if (pSyncNode != NULL && pSyncNode->pRaftCfg != NULL && pSyncNode->pRaftStore != NULL) {
|
|
snprintf(s, len,
|
|
"vgId:%d, sync %s %s, tm:%" PRIu64 ", cmt:%" PRId64 ", fst:%" PRId64 ", lst:%" PRId64 ", min:%" PRId64
|
|
", snap:%" PRId64 ", snap-tm:%" PRIu64
|
|
", sby:%d, "
|
|
"stgy:%d, bch:%d, "
|
|
"r-num:%d, "
|
|
"lcfg:%" PRId64 ", chging:%d, rsto:%d, dquorum:%d, elt:%" PRId64 ", hb:%" PRId64 ", %s, %s",
|
|
pSyncNode->vgId, syncStr(pSyncNode->state), str, pSyncNode->pRaftStore->currentTerm,
|
|
pSyncNode->commitIndex, logBeginIndex, logLastIndex, pSyncNode->minMatchIndex, snapshot.lastApplyIndex,
|
|
snapshot.lastApplyTerm, pSyncNode->pRaftCfg->isStandBy, pSyncNode->pRaftCfg->snapshotStrategy,
|
|
pSyncNode->pRaftCfg->batchSize, pSyncNode->replicaNum, pSyncNode->pRaftCfg->lastConfigIndex,
|
|
pSyncNode->changing, pSyncNode->restoreFinish, syncNodeDynamicQuorum(pSyncNode),
|
|
pSyncNode->electTimerLogicClock, pSyncNode->heartbeatTimerLogicClockUser, peerStateStr, printStr);
|
|
} else {
|
|
snprintf(s, len, "%s", str);
|
|
}
|
|
// sDebug("%s", s);
|
|
// sInfo("%s", s);
|
|
sTrace("%s", s);
|
|
taosMemoryFree(s);
|
|
}
|
|
|
|
taosMemoryFree(peerStateStr);
|
|
taosMemoryFree(pCfgStr);
|
|
}
|
|
|
|
inline void syncNodeErrorLog(const SSyncNode* pSyncNode, char* str) {
|
|
if (pSyncNode == NULL) {
|
|
return;
|
|
}
|
|
|
|
int32_t userStrLen = strlen(str);
|
|
|
|
SSnapshot snapshot = {.data = NULL, .lastApplyIndex = -1, .lastApplyTerm = 0};
|
|
if (pSyncNode->pFsm != NULL && pSyncNode->pFsm->FpGetSnapshotInfo != NULL) {
|
|
pSyncNode->pFsm->FpGetSnapshotInfo(pSyncNode->pFsm, &snapshot);
|
|
}
|
|
|
|
SyncIndex logLastIndex = SYNC_INDEX_INVALID;
|
|
SyncIndex logBeginIndex = SYNC_INDEX_INVALID;
|
|
if (pSyncNode->pLogStore != NULL) {
|
|
logLastIndex = pSyncNode->pLogStore->syncLogLastIndex(pSyncNode->pLogStore);
|
|
logBeginIndex = pSyncNode->pLogStore->syncLogBeginIndex(pSyncNode->pLogStore);
|
|
}
|
|
|
|
char* pCfgStr = syncCfg2SimpleStr(&(pSyncNode->pRaftCfg->cfg));
|
|
char* printStr = "";
|
|
if (pCfgStr != NULL) {
|
|
printStr = pCfgStr;
|
|
}
|
|
|
|
if (userStrLen < 256) {
|
|
char logBuf[256 + 256];
|
|
if (pSyncNode != NULL && pSyncNode->pRaftCfg != NULL && pSyncNode->pRaftStore != NULL) {
|
|
snprintf(logBuf, sizeof(logBuf),
|
|
"vgId:%d, sync %s %s, tm:%" PRIu64 ", cmt:%" PRId64 ", fst:%" PRId64 ", lst:%" PRId64 ", min:%" PRId64
|
|
", snap:%" PRId64 ", snap-tm:%" PRIu64
|
|
", sby:%d, "
|
|
"stgy:%d, bch:%d, "
|
|
"r-num:%d, "
|
|
"lcfg:%" PRId64 ", chging:%d, rsto:%d, dquorum:%d, elt:%" PRId64 ", hb:%" PRId64 ", %s",
|
|
pSyncNode->vgId, syncStr(pSyncNode->state), str, pSyncNode->pRaftStore->currentTerm,
|
|
pSyncNode->commitIndex, logBeginIndex, logLastIndex, pSyncNode->minMatchIndex, snapshot.lastApplyIndex,
|
|
snapshot.lastApplyTerm, pSyncNode->pRaftCfg->isStandBy, pSyncNode->pRaftCfg->snapshotStrategy,
|
|
pSyncNode->pRaftCfg->batchSize, pSyncNode->replicaNum, pSyncNode->pRaftCfg->lastConfigIndex,
|
|
pSyncNode->changing, pSyncNode->restoreFinish, syncNodeDynamicQuorum(pSyncNode),
|
|
pSyncNode->electTimerLogicClock, pSyncNode->heartbeatTimerLogicClockUser, printStr);
|
|
} else {
|
|
snprintf(logBuf, sizeof(logBuf), "%s", str);
|
|
}
|
|
sError("%s", logBuf);
|
|
|
|
} else {
|
|
int len = 256 + userStrLen;
|
|
char* s = (char*)taosMemoryMalloc(len);
|
|
if (pSyncNode != NULL && pSyncNode->pRaftCfg != NULL && pSyncNode->pRaftStore != NULL) {
|
|
snprintf(s, len,
|
|
"vgId:%d, sync %s %s, tm:%" PRIu64 ", cmt:%" PRId64 ", fst:%" PRId64 ", lst:%" PRId64 ", min:%" PRId64
|
|
", snap:%" PRId64 ", snap-tm:%" PRIu64
|
|
", sby:%d, "
|
|
"stgy:%d, bch:%d, "
|
|
"r-num:%d, "
|
|
"lcfg:%" PRId64 ", chging:%d, rsto:%d, dquorum:%d, elt:%" PRId64 ", hb:%" PRId64 ", %s",
|
|
pSyncNode->vgId, syncStr(pSyncNode->state), str, pSyncNode->pRaftStore->currentTerm,
|
|
pSyncNode->commitIndex, logBeginIndex, logLastIndex, pSyncNode->minMatchIndex, snapshot.lastApplyIndex,
|
|
snapshot.lastApplyTerm, pSyncNode->pRaftCfg->isStandBy, pSyncNode->pRaftCfg->snapshotStrategy,
|
|
pSyncNode->pRaftCfg->batchSize, pSyncNode->replicaNum, pSyncNode->pRaftCfg->lastConfigIndex,
|
|
pSyncNode->changing, pSyncNode->restoreFinish, syncNodeDynamicQuorum(pSyncNode),
|
|
pSyncNode->electTimerLogicClock, pSyncNode->heartbeatTimerLogicClockUser, printStr);
|
|
} else {
|
|
snprintf(s, len, "%s", str);
|
|
}
|
|
sError("%s", s);
|
|
taosMemoryFree(s);
|
|
}
|
|
|
|
taosMemoryFree(pCfgStr);
|
|
}
|
|
|
|
inline char* syncNode2SimpleStr(const SSyncNode* pSyncNode) {
|
|
int len = 256;
|
|
char* s = (char*)taosMemoryMalloc(len);
|
|
|
|
SSnapshot snapshot = {.data = NULL, .lastApplyIndex = -1, .lastApplyTerm = 0};
|
|
if (pSyncNode->pFsm->FpGetSnapshotInfo != NULL) {
|
|
pSyncNode->pFsm->FpGetSnapshotInfo(pSyncNode->pFsm, &snapshot);
|
|
}
|
|
SyncIndex logLastIndex = pSyncNode->pLogStore->syncLogLastIndex(pSyncNode->pLogStore);
|
|
SyncIndex logBeginIndex = pSyncNode->pLogStore->syncLogBeginIndex(pSyncNode->pLogStore);
|
|
|
|
snprintf(s, len,
|
|
"vgId:%d, sync %s, tm:%" PRIu64 ", cmt:%" PRId64 ", fst:%" PRId64 ", lst:%" PRId64 ", snap:%" PRId64
|
|
", sby:%d, "
|
|
"r-num:%d, "
|
|
"lcfg:%" PRId64 ", chging:%d, rsto:%d",
|
|
pSyncNode->vgId, syncStr(pSyncNode->state), pSyncNode->pRaftStore->currentTerm, pSyncNode->commitIndex,
|
|
logBeginIndex, logLastIndex, snapshot.lastApplyIndex, pSyncNode->pRaftCfg->isStandBy, pSyncNode->replicaNum,
|
|
pSyncNode->pRaftCfg->lastConfigIndex, pSyncNode->changing, pSyncNode->restoreFinish);
|
|
|
|
return s;
|
|
}
|
|
|
|
inline bool syncNodeInConfig(SSyncNode* pSyncNode, const SSyncCfg* config) {
|
|
bool b1 = false;
|
|
bool b2 = false;
|
|
|
|
for (int i = 0; i < config->replicaNum; ++i) {
|
|
if (strcmp((config->nodeInfo)[i].nodeFqdn, pSyncNode->myNodeInfo.nodeFqdn) == 0 &&
|
|
(config->nodeInfo)[i].nodePort == pSyncNode->myNodeInfo.nodePort) {
|
|
b1 = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
for (int i = 0; i < config->replicaNum; ++i) {
|
|
SRaftId raftId;
|
|
raftId.addr = syncUtilAddr2U64((config->nodeInfo)[i].nodeFqdn, (config->nodeInfo)[i].nodePort);
|
|
raftId.vgId = pSyncNode->vgId;
|
|
|
|
if (syncUtilSameId(&raftId, &(pSyncNode->myRaftId))) {
|
|
b2 = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
ASSERT(b1 == b2);
|
|
return b1;
|
|
}
|
|
|
|
static bool syncIsConfigChanged(const SSyncCfg* pOldCfg, const SSyncCfg* pNewCfg) {
|
|
if (pOldCfg->replicaNum != pNewCfg->replicaNum) return true;
|
|
if (pOldCfg->myIndex != pNewCfg->myIndex) return true;
|
|
for (int32_t i = 0; i < pOldCfg->replicaNum; ++i) {
|
|
const SNodeInfo* pOldInfo = &pOldCfg->nodeInfo[i];
|
|
const SNodeInfo* pNewInfo = &pNewCfg->nodeInfo[i];
|
|
if (strcmp(pOldInfo->nodeFqdn, pNewInfo->nodeFqdn) != 0) return true;
|
|
if (pOldInfo->nodePort != pNewInfo->nodePort) return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void syncNodeDoConfigChange(SSyncNode* pSyncNode, SSyncCfg* pNewConfig, SyncIndex lastConfigChangeIndex) {
|
|
SSyncCfg oldConfig = pSyncNode->pRaftCfg->cfg;
|
|
if (!syncIsConfigChanged(&oldConfig, pNewConfig)) {
|
|
sInfo("vgId:1, sync not reconfig since not changed");
|
|
return;
|
|
}
|
|
|
|
pSyncNode->pRaftCfg->cfg = *pNewConfig;
|
|
pSyncNode->pRaftCfg->lastConfigIndex = lastConfigChangeIndex;
|
|
|
|
bool IamInOld = syncNodeInConfig(pSyncNode, &oldConfig);
|
|
bool IamInNew = syncNodeInConfig(pSyncNode, pNewConfig);
|
|
|
|
bool isDrop = false;
|
|
bool isAdd = false;
|
|
|
|
if (IamInOld && !IamInNew) {
|
|
isDrop = true;
|
|
} else {
|
|
isDrop = false;
|
|
}
|
|
|
|
if (!IamInOld && IamInNew) {
|
|
isAdd = true;
|
|
} else {
|
|
isAdd = false;
|
|
}
|
|
|
|
// log begin config change
|
|
do {
|
|
char eventLog[256];
|
|
char* pOldCfgStr = syncCfg2SimpleStr(&oldConfig);
|
|
char* pNewCfgStr = syncCfg2SimpleStr(pNewConfig);
|
|
snprintf(eventLog, sizeof(eventLog), "begin do config change, from %s to %s", pOldCfgStr, pNewCfgStr);
|
|
syncNodeEventLog(pSyncNode, eventLog);
|
|
taosMemoryFree(pOldCfgStr);
|
|
taosMemoryFree(pNewCfgStr);
|
|
} while (0);
|
|
|
|
if (IamInNew) {
|
|
pSyncNode->pRaftCfg->isStandBy = 0; // change isStandBy to normal
|
|
}
|
|
if (isDrop) {
|
|
pSyncNode->pRaftCfg->isStandBy = 1; // set standby
|
|
}
|
|
|
|
// add last config index
|
|
raftCfgAddConfigIndex(pSyncNode->pRaftCfg, lastConfigChangeIndex);
|
|
|
|
if (IamInNew) {
|
|
//-----------------------------------------
|
|
int32_t ret = 0;
|
|
|
|
// save snapshot senders
|
|
int32_t oldReplicaNum = pSyncNode->replicaNum;
|
|
SRaftId oldReplicasId[TSDB_MAX_REPLICA];
|
|
memcpy(oldReplicasId, pSyncNode->replicasId, sizeof(oldReplicasId));
|
|
SSyncSnapshotSender* oldSenders[TSDB_MAX_REPLICA];
|
|
for (int i = 0; i < TSDB_MAX_REPLICA; ++i) {
|
|
oldSenders[i] = (pSyncNode->senders)[i];
|
|
|
|
char* eventLog = snapshotSender2SimpleStr(oldSenders[i], "snapshot sender save old");
|
|
syncNodeEventLog(pSyncNode, eventLog);
|
|
taosMemoryFree(eventLog);
|
|
}
|
|
|
|
// init internal
|
|
pSyncNode->myNodeInfo = pSyncNode->pRaftCfg->cfg.nodeInfo[pSyncNode->pRaftCfg->cfg.myIndex];
|
|
syncUtilnodeInfo2raftId(&pSyncNode->myNodeInfo, pSyncNode->vgId, &pSyncNode->myRaftId);
|
|
|
|
// init peersNum, peers, peersId
|
|
pSyncNode->peersNum = pSyncNode->pRaftCfg->cfg.replicaNum - 1;
|
|
int j = 0;
|
|
for (int i = 0; i < pSyncNode->pRaftCfg->cfg.replicaNum; ++i) {
|
|
if (i != pSyncNode->pRaftCfg->cfg.myIndex) {
|
|
pSyncNode->peersNodeInfo[j] = pSyncNode->pRaftCfg->cfg.nodeInfo[i];
|
|
j++;
|
|
}
|
|
}
|
|
for (int i = 0; i < pSyncNode->peersNum; ++i) {
|
|
syncUtilnodeInfo2raftId(&pSyncNode->peersNodeInfo[i], pSyncNode->vgId, &pSyncNode->peersId[i]);
|
|
}
|
|
|
|
// init replicaNum, replicasId
|
|
pSyncNode->replicaNum = pSyncNode->pRaftCfg->cfg.replicaNum;
|
|
for (int i = 0; i < pSyncNode->pRaftCfg->cfg.replicaNum; ++i) {
|
|
syncUtilnodeInfo2raftId(&pSyncNode->pRaftCfg->cfg.nodeInfo[i], pSyncNode->vgId, &pSyncNode->replicasId[i]);
|
|
}
|
|
|
|
// update quorum first
|
|
pSyncNode->quorum = syncUtilQuorum(pSyncNode->pRaftCfg->cfg.replicaNum);
|
|
|
|
syncIndexMgrUpdate(pSyncNode->pNextIndex, pSyncNode);
|
|
syncIndexMgrUpdate(pSyncNode->pMatchIndex, pSyncNode);
|
|
voteGrantedUpdate(pSyncNode->pVotesGranted, pSyncNode);
|
|
votesRespondUpdate(pSyncNode->pVotesRespond, pSyncNode);
|
|
|
|
// reset snapshot senders
|
|
|
|
// clear new
|
|
for (int i = 0; i < TSDB_MAX_REPLICA; ++i) {
|
|
(pSyncNode->senders)[i] = NULL;
|
|
}
|
|
|
|
// reset new
|
|
for (int i = 0; i < pSyncNode->replicaNum; ++i) {
|
|
// reset sender
|
|
bool reset = false;
|
|
for (int j = 0; j < TSDB_MAX_REPLICA; ++j) {
|
|
if (syncUtilSameId(&(pSyncNode->replicasId)[i], &oldReplicasId[j])) {
|
|
char host[128];
|
|
uint16_t port;
|
|
syncUtilU642Addr((pSyncNode->replicasId)[i].addr, host, sizeof(host), &port);
|
|
|
|
do {
|
|
char eventLog[256];
|
|
snprintf(eventLog, sizeof(eventLog), "snapshot sender reset for: %" PRIu64 ", newIndex:%d, %s:%d, %p",
|
|
(pSyncNode->replicasId)[i].addr, i, host, port, oldSenders[j]);
|
|
syncNodeEventLog(pSyncNode, eventLog);
|
|
} while (0);
|
|
|
|
(pSyncNode->senders)[i] = oldSenders[j];
|
|
oldSenders[j] = NULL;
|
|
reset = true;
|
|
|
|
// reset replicaIndex
|
|
int32_t oldreplicaIndex = (pSyncNode->senders)[i]->replicaIndex;
|
|
(pSyncNode->senders)[i]->replicaIndex = i;
|
|
|
|
do {
|
|
char eventLog[256];
|
|
snprintf(eventLog, sizeof(eventLog),
|
|
"snapshot sender udpate replicaIndex from %d to %d, %s:%d, %p, reset:%d", oldreplicaIndex, i, host,
|
|
port, (pSyncNode->senders)[i], reset);
|
|
syncNodeEventLog(pSyncNode, eventLog);
|
|
} while (0);
|
|
}
|
|
}
|
|
}
|
|
|
|
// create new
|
|
for (int i = 0; i < TSDB_MAX_REPLICA; ++i) {
|
|
if ((pSyncNode->senders)[i] == NULL) {
|
|
(pSyncNode->senders)[i] = snapshotSenderCreate(pSyncNode, i);
|
|
|
|
char* eventLog = snapshotSender2SimpleStr((pSyncNode->senders)[i], "snapshot sender create new");
|
|
syncNodeEventLog(pSyncNode, eventLog);
|
|
taosMemoryFree(eventLog);
|
|
}
|
|
}
|
|
|
|
// free old
|
|
for (int i = 0; i < TSDB_MAX_REPLICA; ++i) {
|
|
if (oldSenders[i] != NULL) {
|
|
snapshotSenderDestroy(oldSenders[i]);
|
|
|
|
do {
|
|
char eventLog[128];
|
|
snprintf(eventLog, sizeof(eventLog), "snapshot sender delete old %p replica-index:%d", oldSenders[i], i);
|
|
syncNodeEventLog(pSyncNode, eventLog);
|
|
} while (0);
|
|
|
|
oldSenders[i] = NULL;
|
|
}
|
|
}
|
|
|
|
// persist cfg
|
|
raftCfgPersist(pSyncNode->pRaftCfg);
|
|
|
|
char tmpbuf[512];
|
|
char* oldStr = syncCfg2SimpleStr(&oldConfig);
|
|
char* newStr = syncCfg2SimpleStr(pNewConfig);
|
|
snprintf(tmpbuf, sizeof(tmpbuf), "config change from %d to %d, index:%" PRId64 ", %s --> %s",
|
|
oldConfig.replicaNum, pNewConfig->replicaNum, lastConfigChangeIndex, oldStr, newStr);
|
|
taosMemoryFree(oldStr);
|
|
taosMemoryFree(newStr);
|
|
|
|
// change isStandBy to normal (election timeout)
|
|
if (pSyncNode->state == TAOS_SYNC_STATE_LEADER) {
|
|
syncNodeBecomeLeader(pSyncNode, tmpbuf);
|
|
|
|
// Raft 3.6.2 Committing entries from previous terms
|
|
syncNodeAppendNoop(pSyncNode);
|
|
syncMaybeAdvanceCommitIndex(pSyncNode);
|
|
|
|
} else {
|
|
syncNodeBecomeFollower(pSyncNode, tmpbuf);
|
|
}
|
|
} else {
|
|
// persist cfg
|
|
raftCfgPersist(pSyncNode->pRaftCfg);
|
|
|
|
char tmpbuf[512];
|
|
char* oldStr = syncCfg2SimpleStr(&oldConfig);
|
|
char* newStr = syncCfg2SimpleStr(pNewConfig);
|
|
snprintf(tmpbuf, sizeof(tmpbuf), "do not config change from %d to %d, index:%" PRId64 ", %s --> %s",
|
|
oldConfig.replicaNum, pNewConfig->replicaNum, lastConfigChangeIndex, oldStr, newStr);
|
|
taosMemoryFree(oldStr);
|
|
taosMemoryFree(newStr);
|
|
syncNodeEventLog(pSyncNode, tmpbuf);
|
|
}
|
|
|
|
_END:
|
|
|
|
// log end config change
|
|
do {
|
|
char eventLog[256];
|
|
char* pOldCfgStr = syncCfg2SimpleStr(&oldConfig);
|
|
char* pNewCfgStr = syncCfg2SimpleStr(pNewConfig);
|
|
snprintf(eventLog, sizeof(eventLog), "end do config change, from %s to %s", pOldCfgStr, pNewCfgStr);
|
|
syncNodeEventLog(pSyncNode, eventLog);
|
|
taosMemoryFree(pOldCfgStr);
|
|
taosMemoryFree(pNewCfgStr);
|
|
} while (0);
|
|
return;
|
|
}
|
|
|
|
// raft state change --------------
|
|
void syncNodeUpdateTerm(SSyncNode* pSyncNode, SyncTerm term) {
|
|
if (term > pSyncNode->pRaftStore->currentTerm) {
|
|
raftStoreSetTerm(pSyncNode->pRaftStore, term);
|
|
char tmpBuf[64];
|
|
snprintf(tmpBuf, sizeof(tmpBuf), "update term to %" PRIu64, term);
|
|
syncNodeBecomeFollower(pSyncNode, tmpBuf);
|
|
raftStoreClearVote(pSyncNode->pRaftStore);
|
|
}
|
|
}
|
|
|
|
void syncNodeUpdateTermWithoutStepDown(SSyncNode* pSyncNode, SyncTerm term) {
|
|
if (term > pSyncNode->pRaftStore->currentTerm) {
|
|
raftStoreSetTerm(pSyncNode->pRaftStore, term);
|
|
}
|
|
}
|
|
|
|
void syncNodeStepDown(SSyncNode* pSyncNode, SyncTerm newTerm) {
|
|
if (pSyncNode->pRaftStore->currentTerm > newTerm) {
|
|
char logBuf[128];
|
|
snprintf(logBuf, sizeof(logBuf), "step down, ignore, new-term:%" PRIu64 ", current-term:%" PRIu64, newTerm,
|
|
pSyncNode->pRaftStore->currentTerm);
|
|
syncNodeEventLog(pSyncNode, logBuf);
|
|
return;
|
|
}
|
|
|
|
do {
|
|
char logBuf[128];
|
|
snprintf(logBuf, sizeof(logBuf), "step down, new-term:%" PRIu64 ", current-term:%" PRIu64, newTerm,
|
|
pSyncNode->pRaftStore->currentTerm);
|
|
syncNodeEventLog(pSyncNode, logBuf);
|
|
} while (0);
|
|
|
|
if (pSyncNode->pRaftStore->currentTerm < newTerm) {
|
|
raftStoreSetTerm(pSyncNode->pRaftStore, newTerm);
|
|
char tmpBuf[64];
|
|
snprintf(tmpBuf, sizeof(tmpBuf), "step down, update term to %" PRIu64, newTerm);
|
|
syncNodeBecomeFollower(pSyncNode, tmpBuf);
|
|
raftStoreClearVote(pSyncNode->pRaftStore);
|
|
|
|
} else {
|
|
if (pSyncNode->state != TAOS_SYNC_STATE_FOLLOWER) {
|
|
syncNodeBecomeFollower(pSyncNode, "step down");
|
|
}
|
|
}
|
|
}
|
|
|
|
void syncNodeLeaderChangeRsp(SSyncNode* pSyncNode) { syncRespCleanRsp(pSyncNode->pSyncRespMgr); }
|
|
|
|
void syncNodeBecomeFollower(SSyncNode* pSyncNode, const char* debugStr) {
|
|
// maybe clear leader cache
|
|
if (pSyncNode->state == TAOS_SYNC_STATE_LEADER) {
|
|
pSyncNode->leaderCache = EMPTY_RAFT_ID;
|
|
}
|
|
|
|
// state change
|
|
pSyncNode->state = TAOS_SYNC_STATE_FOLLOWER;
|
|
syncNodeStopHeartbeatTimer(pSyncNode);
|
|
|
|
// reset elect timer
|
|
syncNodeResetElectTimer(pSyncNode);
|
|
|
|
// send rsp to client
|
|
syncNodeLeaderChangeRsp(pSyncNode);
|
|
|
|
// call back
|
|
if (pSyncNode->pFsm != NULL && pSyncNode->pFsm->FpBecomeFollowerCb != NULL) {
|
|
pSyncNode->pFsm->FpBecomeFollowerCb(pSyncNode->pFsm);
|
|
}
|
|
|
|
// min match index
|
|
pSyncNode->minMatchIndex = SYNC_INDEX_INVALID;
|
|
|
|
// trace log
|
|
do {
|
|
int32_t debugStrLen = strlen(debugStr);
|
|
if (debugStrLen < 256) {
|
|
char eventLog[256 + 64];
|
|
snprintf(eventLog, sizeof(eventLog), "become follower %s", debugStr);
|
|
syncNodeEventLog(pSyncNode, eventLog);
|
|
} else {
|
|
char* eventLog = taosMemoryMalloc(debugStrLen + 64);
|
|
snprintf(eventLog, debugStrLen, "become follower %s", debugStr);
|
|
syncNodeEventLog(pSyncNode, eventLog);
|
|
taosMemoryFree(eventLog);
|
|
}
|
|
} while (0);
|
|
}
|
|
|
|
// TLA+ Spec
|
|
// \* Candidate i transitions to leader.
|
|
// BecomeLeader(i) ==
|
|
// /\ state[i] = Candidate
|
|
// /\ votesGranted[i] \in Quorum
|
|
// /\ state' = [state EXCEPT ![i] = Leader]
|
|
// /\ nextIndex' = [nextIndex EXCEPT ![i] =
|
|
// [j \in Server |-> Len(log[i]) + 1]]
|
|
// /\ matchIndex' = [matchIndex EXCEPT ![i] =
|
|
// [j \in Server |-> 0]]
|
|
// /\ elections' = elections \cup
|
|
// {[eterm |-> currentTerm[i],
|
|
// eleader |-> i,
|
|
// elog |-> log[i],
|
|
// evotes |-> votesGranted[i],
|
|
// evoterLog |-> voterLog[i]]}
|
|
// /\ UNCHANGED <<messages, currentTerm, votedFor, candidateVars, logVars>>
|
|
//
|
|
void syncNodeBecomeLeader(SSyncNode* pSyncNode, const char* debugStr) {
|
|
pSyncNode->leaderTime = taosGetTimestampMs();
|
|
|
|
// reset restoreFinish
|
|
pSyncNode->restoreFinish = false;
|
|
|
|
// state change
|
|
pSyncNode->state = TAOS_SYNC_STATE_LEADER;
|
|
|
|
// set leader cache
|
|
pSyncNode->leaderCache = pSyncNode->myRaftId;
|
|
|
|
for (int i = 0; i < pSyncNode->pNextIndex->replicaNum; ++i) {
|
|
// maybe overwrite myself, no harm
|
|
// just do it!
|
|
|
|
// pSyncNode->pNextIndex->index[i] = pSyncNode->pLogStore->getLastIndex(pSyncNode->pLogStore) + 1;
|
|
|
|
// maybe wal is deleted
|
|
SyncIndex lastIndex;
|
|
SyncTerm lastTerm;
|
|
int32_t code = syncNodeGetLastIndexTerm(pSyncNode, &lastIndex, &lastTerm);
|
|
ASSERT(code == 0);
|
|
pSyncNode->pNextIndex->index[i] = lastIndex + 1;
|
|
}
|
|
|
|
for (int i = 0; i < pSyncNode->pMatchIndex->replicaNum; ++i) {
|
|
// maybe overwrite myself, no harm
|
|
// just do it!
|
|
pSyncNode->pMatchIndex->index[i] = SYNC_INDEX_INVALID;
|
|
}
|
|
|
|
// init peer mgr
|
|
syncNodePeerStateInit(pSyncNode);
|
|
|
|
#if 0
|
|
// update sender private term
|
|
SSyncSnapshotSender* pMySender = syncNodeGetSnapshotSender(pSyncNode, &(pSyncNode->myRaftId));
|
|
if (pMySender != NULL) {
|
|
for (int i = 0; i < pSyncNode->pMatchIndex->replicaNum; ++i) {
|
|
if ((pSyncNode->senders)[i]->privateTerm > pMySender->privateTerm) {
|
|
pMySender->privateTerm = (pSyncNode->senders)[i]->privateTerm;
|
|
}
|
|
}
|
|
(pMySender->privateTerm) += 100;
|
|
}
|
|
#endif
|
|
|
|
// close receiver
|
|
if (snapshotReceiverIsStart(pSyncNode->pNewNodeReceiver)) {
|
|
snapshotReceiverForceStop(pSyncNode->pNewNodeReceiver);
|
|
}
|
|
|
|
// stop elect timer
|
|
syncNodeStopElectTimer(pSyncNode);
|
|
|
|
// start heartbeat timer
|
|
syncNodeStartHeartbeatTimer(pSyncNode);
|
|
|
|
// send heartbeat right now
|
|
syncNodeHeartbeatPeers(pSyncNode);
|
|
|
|
// call back
|
|
if (pSyncNode->pFsm != NULL && pSyncNode->pFsm->FpBecomeLeaderCb != NULL) {
|
|
pSyncNode->pFsm->FpBecomeLeaderCb(pSyncNode->pFsm);
|
|
}
|
|
|
|
// min match index
|
|
pSyncNode->minMatchIndex = SYNC_INDEX_INVALID;
|
|
|
|
// trace log
|
|
do {
|
|
int32_t debugStrLen = strlen(debugStr);
|
|
if (debugStrLen < 256) {
|
|
char eventLog[256 + 64];
|
|
snprintf(eventLog, sizeof(eventLog), "become leader %s", debugStr);
|
|
syncNodeEventLog(pSyncNode, eventLog);
|
|
} else {
|
|
char* eventLog = taosMemoryMalloc(debugStrLen + 64);
|
|
snprintf(eventLog, debugStrLen, "become leader %s", debugStr);
|
|
syncNodeEventLog(pSyncNode, eventLog);
|
|
taosMemoryFree(eventLog);
|
|
}
|
|
} while (0);
|
|
}
|
|
|
|
void syncNodeCandidate2Leader(SSyncNode* pSyncNode) {
|
|
ASSERT(pSyncNode->state == TAOS_SYNC_STATE_CANDIDATE);
|
|
ASSERT(voteGrantedMajority(pSyncNode->pVotesGranted));
|
|
syncNodeBecomeLeader(pSyncNode, "candidate to leader");
|
|
|
|
syncNodeLog2("==state change syncNodeCandidate2Leader==", pSyncNode);
|
|
|
|
// Raft 3.6.2 Committing entries from previous terms
|
|
syncNodeAppendNoop(pSyncNode);
|
|
syncMaybeAdvanceCommitIndex(pSyncNode);
|
|
|
|
if (pSyncNode->replicaNum > 1) {
|
|
syncNodeReplicate(pSyncNode);
|
|
}
|
|
}
|
|
|
|
bool syncNodeIsMnode(SSyncNode* pSyncNode) { return (pSyncNode->vgId == 1); }
|
|
|
|
int32_t syncNodePeerStateInit(SSyncNode* pSyncNode) {
|
|
for (int i = 0; i < TSDB_MAX_REPLICA; ++i) {
|
|
pSyncNode->peerStates[i].lastSendIndex = SYNC_INDEX_INVALID;
|
|
pSyncNode->peerStates[i].lastSendTime = 0;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void syncNodeFollower2Candidate(SSyncNode* pSyncNode) {
|
|
ASSERT(pSyncNode->state == TAOS_SYNC_STATE_FOLLOWER);
|
|
pSyncNode->state = TAOS_SYNC_STATE_CANDIDATE;
|
|
|
|
syncNodeEventLog(pSyncNode, "follower to candidate");
|
|
}
|
|
|
|
void syncNodeLeader2Follower(SSyncNode* pSyncNode) {
|
|
ASSERT(pSyncNode->state == TAOS_SYNC_STATE_LEADER);
|
|
syncNodeBecomeFollower(pSyncNode, "leader to follower");
|
|
|
|
syncNodeEventLog(pSyncNode, "leader to follower");
|
|
}
|
|
|
|
void syncNodeCandidate2Follower(SSyncNode* pSyncNode) {
|
|
ASSERT(pSyncNode->state == TAOS_SYNC_STATE_CANDIDATE);
|
|
syncNodeBecomeFollower(pSyncNode, "candidate to follower");
|
|
|
|
syncNodeEventLog(pSyncNode, "candidate to follower");
|
|
}
|
|
|
|
// raft vote --------------
|
|
|
|
// just called by syncNodeVoteForSelf
|
|
// need assert
|
|
void syncNodeVoteForTerm(SSyncNode* pSyncNode, SyncTerm term, SRaftId* pRaftId) {
|
|
ASSERT(term == pSyncNode->pRaftStore->currentTerm);
|
|
ASSERT(!raftStoreHasVoted(pSyncNode->pRaftStore));
|
|
|
|
raftStoreVote(pSyncNode->pRaftStore, pRaftId);
|
|
}
|
|
|
|
// simulate get vote from outside
|
|
void syncNodeVoteForSelf(SSyncNode* pSyncNode) {
|
|
syncNodeVoteForTerm(pSyncNode, pSyncNode->pRaftStore->currentTerm, &(pSyncNode->myRaftId));
|
|
|
|
SyncRequestVoteReply* pMsg = syncRequestVoteReplyBuild(pSyncNode->vgId);
|
|
pMsg->srcId = pSyncNode->myRaftId;
|
|
pMsg->destId = pSyncNode->myRaftId;
|
|
pMsg->term = pSyncNode->pRaftStore->currentTerm;
|
|
pMsg->voteGranted = true;
|
|
|
|
voteGrantedVote(pSyncNode->pVotesGranted, pMsg);
|
|
votesRespondAdd(pSyncNode->pVotesRespond, pMsg);
|
|
syncRequestVoteReplyDestroy(pMsg);
|
|
}
|
|
|
|
// snapshot --------------
|
|
|
|
// return if has a snapshot
|
|
bool syncNodeHasSnapshot(SSyncNode* pSyncNode) {
|
|
bool ret = false;
|
|
SSnapshot snapshot = {.data = NULL, .lastApplyIndex = -1, .lastApplyTerm = 0, .lastConfigIndex = -1};
|
|
if (pSyncNode->pFsm->FpGetSnapshotInfo != NULL) {
|
|
pSyncNode->pFsm->FpGetSnapshotInfo(pSyncNode->pFsm, &snapshot);
|
|
if (snapshot.lastApplyIndex >= SYNC_INDEX_BEGIN) {
|
|
ret = true;
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
// return max(logLastIndex, snapshotLastIndex)
|
|
// if no snapshot and log, return -1
|
|
SyncIndex syncNodeGetLastIndex(const SSyncNode* pSyncNode) {
|
|
SSnapshot snapshot = {.data = NULL, .lastApplyIndex = -1, .lastApplyTerm = 0, .lastConfigIndex = -1};
|
|
if (pSyncNode->pFsm->FpGetSnapshotInfo != NULL) {
|
|
pSyncNode->pFsm->FpGetSnapshotInfo(pSyncNode->pFsm, &snapshot);
|
|
}
|
|
SyncIndex logLastIndex = pSyncNode->pLogStore->syncLogLastIndex(pSyncNode->pLogStore);
|
|
|
|
SyncIndex lastIndex = logLastIndex > snapshot.lastApplyIndex ? logLastIndex : snapshot.lastApplyIndex;
|
|
return lastIndex;
|
|
}
|
|
|
|
// return the last term of snapshot and log
|
|
// if error, return SYNC_TERM_INVALID (by syncLogLastTerm)
|
|
SyncTerm syncNodeGetLastTerm(SSyncNode* pSyncNode) {
|
|
SyncTerm lastTerm = 0;
|
|
if (syncNodeHasSnapshot(pSyncNode)) {
|
|
// has snapshot
|
|
SSnapshot snapshot = {.data = NULL, .lastApplyIndex = -1, .lastApplyTerm = 0, .lastConfigIndex = -1};
|
|
if (pSyncNode->pFsm->FpGetSnapshotInfo != NULL) {
|
|
pSyncNode->pFsm->FpGetSnapshotInfo(pSyncNode->pFsm, &snapshot);
|
|
}
|
|
|
|
SyncIndex logLastIndex = pSyncNode->pLogStore->syncLogLastIndex(pSyncNode->pLogStore);
|
|
if (logLastIndex > snapshot.lastApplyIndex) {
|
|
lastTerm = pSyncNode->pLogStore->syncLogLastTerm(pSyncNode->pLogStore);
|
|
} else {
|
|
lastTerm = snapshot.lastApplyTerm;
|
|
}
|
|
|
|
} else {
|
|
// no snapshot
|
|
lastTerm = pSyncNode->pLogStore->syncLogLastTerm(pSyncNode->pLogStore);
|
|
}
|
|
|
|
return lastTerm;
|
|
}
|
|
|
|
// get last index and term along with snapshot
|
|
int32_t syncNodeGetLastIndexTerm(SSyncNode* pSyncNode, SyncIndex* pLastIndex, SyncTerm* pLastTerm) {
|
|
*pLastIndex = syncNodeGetLastIndex(pSyncNode);
|
|
*pLastTerm = syncNodeGetLastTerm(pSyncNode);
|
|
return 0;
|
|
}
|
|
|
|
// return append-entries first try index
|
|
SyncIndex syncNodeSyncStartIndex(SSyncNode* pSyncNode) {
|
|
SyncIndex syncStartIndex = syncNodeGetLastIndex(pSyncNode) + 1;
|
|
return syncStartIndex;
|
|
}
|
|
|
|
// if index > 0, return index - 1
|
|
// else, return -1
|
|
SyncIndex syncNodeGetPreIndex(SSyncNode* pSyncNode, SyncIndex index) {
|
|
SyncIndex preIndex = index - 1;
|
|
if (preIndex < SYNC_INDEX_INVALID) {
|
|
preIndex = SYNC_INDEX_INVALID;
|
|
}
|
|
|
|
return preIndex;
|
|
}
|
|
|
|
// if index < 0, return SYNC_TERM_INVALID
|
|
// if index == 0, return 0
|
|
// if index > 0, return preTerm
|
|
// if error, return SYNC_TERM_INVALID
|
|
SyncTerm syncNodeGetPreTerm(SSyncNode* pSyncNode, SyncIndex index) {
|
|
if (index < SYNC_INDEX_BEGIN) {
|
|
return SYNC_TERM_INVALID;
|
|
}
|
|
|
|
if (index == SYNC_INDEX_BEGIN) {
|
|
return 0;
|
|
}
|
|
|
|
SyncTerm preTerm = 0;
|
|
SyncIndex preIndex = index - 1;
|
|
SSyncRaftEntry* pPreEntry = NULL;
|
|
int32_t code = pSyncNode->pLogStore->syncLogGetEntry(pSyncNode->pLogStore, preIndex, &pPreEntry);
|
|
|
|
SSnapshot snapshot = {.data = NULL,
|
|
.lastApplyIndex = SYNC_INDEX_INVALID,
|
|
.lastApplyTerm = SYNC_TERM_INVALID,
|
|
.lastConfigIndex = SYNC_INDEX_INVALID};
|
|
|
|
if (code == 0) {
|
|
ASSERT(pPreEntry != NULL);
|
|
preTerm = pPreEntry->term;
|
|
taosMemoryFree(pPreEntry);
|
|
return preTerm;
|
|
} else {
|
|
if (pSyncNode->pFsm->FpGetSnapshotInfo != NULL) {
|
|
pSyncNode->pFsm->FpGetSnapshotInfo(pSyncNode->pFsm, &snapshot);
|
|
if (snapshot.lastApplyIndex == preIndex) {
|
|
return snapshot.lastApplyTerm;
|
|
}
|
|
}
|
|
}
|
|
|
|
do {
|
|
char logBuf[128];
|
|
snprintf(logBuf, sizeof(logBuf),
|
|
"sync node get pre term error, index:%" PRId64 ", snap-index:%" PRId64 ", snap-term:%" PRIu64, index,
|
|
snapshot.lastApplyIndex, snapshot.lastApplyTerm);
|
|
syncNodeErrorLog(pSyncNode, logBuf);
|
|
} while (0);
|
|
|
|
return SYNC_TERM_INVALID;
|
|
}
|
|
|
|
// get pre index and term of "index"
|
|
int32_t syncNodeGetPreIndexTerm(SSyncNode* pSyncNode, SyncIndex index, SyncIndex* pPreIndex, SyncTerm* pPreTerm) {
|
|
*pPreIndex = syncNodeGetPreIndex(pSyncNode, index);
|
|
*pPreTerm = syncNodeGetPreTerm(pSyncNode, index);
|
|
return 0;
|
|
}
|
|
|
|
// for debug --------------
|
|
void syncNodePrint(SSyncNode* pObj) {
|
|
char* serialized = syncNode2Str(pObj);
|
|
printf("syncNodePrint | len:%d | %s \n", (int32_t)strlen(serialized), serialized);
|
|
fflush(NULL);
|
|
taosMemoryFree(serialized);
|
|
}
|
|
|
|
void syncNodePrint2(char* s, SSyncNode* pObj) {
|
|
char* serialized = syncNode2Str(pObj);
|
|
printf("syncNodePrint2 | len:%d | %s | %s \n", (int32_t)strlen(serialized), s, serialized);
|
|
fflush(NULL);
|
|
taosMemoryFree(serialized);
|
|
}
|
|
|
|
void syncNodeLog(SSyncNode* pObj) {
|
|
char* serialized = syncNode2Str(pObj);
|
|
sTraceLong("syncNodeLog | len:%d | %s", (int32_t)strlen(serialized), serialized);
|
|
taosMemoryFree(serialized);
|
|
}
|
|
|
|
void syncNodeLog2(char* s, SSyncNode* pObj) {
|
|
if (gRaftDetailLog) {
|
|
char* serialized = syncNode2Str(pObj);
|
|
sTraceLong("syncNodeLog2 | len:%d | %s | %s", (int32_t)strlen(serialized), s, serialized);
|
|
taosMemoryFree(serialized);
|
|
}
|
|
}
|
|
|
|
void syncNodeLog3(char* s, SSyncNode* pObj) {
|
|
char* serialized = syncNode2Str(pObj);
|
|
sTraceLong("syncNodeLog3 | len:%d | %s | %s", (int32_t)strlen(serialized), s, serialized);
|
|
taosMemoryFree(serialized);
|
|
}
|
|
|
|
// ------ local funciton ---------
|
|
// enqueue message ----
|
|
static void syncNodeEqPingTimer(void* param, void* tmrId) {
|
|
SSyncNode* pSyncNode = (SSyncNode*)param;
|
|
if (atomic_load_64(&pSyncNode->pingTimerLogicClockUser) <= atomic_load_64(&pSyncNode->pingTimerLogicClock)) {
|
|
SyncTimeout* pSyncMsg = syncTimeoutBuild2(SYNC_TIMEOUT_PING, atomic_load_64(&pSyncNode->pingTimerLogicClock),
|
|
pSyncNode->pingTimerMS, pSyncNode->vgId, pSyncNode);
|
|
SRpcMsg rpcMsg;
|
|
syncTimeout2RpcMsg(pSyncMsg, &rpcMsg);
|
|
syncRpcMsgLog2((char*)"==syncNodeEqPingTimer==", &rpcMsg);
|
|
if (pSyncNode->syncEqMsg != NULL) {
|
|
int32_t code = pSyncNode->syncEqMsg(pSyncNode->msgcb, &rpcMsg);
|
|
if (code != 0) {
|
|
sError("vgId:%d, sync enqueue ping msg error, code:%d", pSyncNode->vgId, code);
|
|
rpcFreeCont(rpcMsg.pCont);
|
|
syncTimeoutDestroy(pSyncMsg);
|
|
return;
|
|
}
|
|
} else {
|
|
sTrace("syncNodeEqPingTimer pSyncNode->syncEqMsg is NULL");
|
|
}
|
|
syncTimeoutDestroy(pSyncMsg);
|
|
|
|
if (syncIsInit()) {
|
|
taosTmrReset(syncNodeEqPingTimer, pSyncNode->pingTimerMS, pSyncNode, syncEnv()->pTimerManager,
|
|
&pSyncNode->pPingTimer);
|
|
} else {
|
|
sError("sync env is stop, syncNodeEqPingTimer");
|
|
}
|
|
|
|
} else {
|
|
sTrace("==syncNodeEqPingTimer== pingTimerLogicClock:%" PRIu64 ", pingTimerLogicClockUser:%" PRIu64,
|
|
pSyncNode->pingTimerLogicClock, pSyncNode->pingTimerLogicClockUser);
|
|
}
|
|
}
|
|
|
|
static void syncNodeEqElectTimer(void* param, void* tmrId) {
|
|
SElectTimer* pElectTimer = (SElectTimer*)param;
|
|
SSyncNode* pSyncNode = pElectTimer->pSyncNode;
|
|
|
|
SyncTimeout* pSyncMsg = syncTimeoutBuild2(SYNC_TIMEOUT_ELECTION, pElectTimer->logicClock, pSyncNode->electTimerMS,
|
|
pSyncNode->vgId, pSyncNode);
|
|
SRpcMsg rpcMsg;
|
|
syncTimeout2RpcMsg(pSyncMsg, &rpcMsg);
|
|
if (pSyncNode->syncEqMsg != NULL && pSyncNode->msgcb != NULL && pSyncNode->msgcb->putToQueueFp != NULL) {
|
|
int32_t code = pSyncNode->syncEqMsg(pSyncNode->msgcb, &rpcMsg);
|
|
if (code != 0) {
|
|
sError("vgId:%d, sync enqueue elect msg error, code:%d", pSyncNode->vgId, code);
|
|
rpcFreeCont(rpcMsg.pCont);
|
|
syncTimeoutDestroy(pSyncMsg);
|
|
taosMemoryFree(pElectTimer);
|
|
return;
|
|
}
|
|
|
|
do {
|
|
char logBuf[128];
|
|
snprintf(logBuf, sizeof(logBuf), "eq elect timer lc:%" PRIu64, pSyncMsg->logicClock);
|
|
syncNodeEventLog(pSyncNode, logBuf);
|
|
} while (0);
|
|
|
|
} else {
|
|
sTrace("syncNodeEqElectTimer syncEqMsg is NULL");
|
|
}
|
|
|
|
syncTimeoutDestroy(pSyncMsg);
|
|
taosMemoryFree(pElectTimer);
|
|
|
|
#if 0
|
|
// reset timer ms
|
|
if (syncIsInit() && pSyncNode->electBaseLine > 0) {
|
|
pSyncNode->electTimerMS = syncUtilElectRandomMS(pSyncNode->electBaseLine, 2 * pSyncNode->electBaseLine);
|
|
taosTmrReset(syncNodeEqElectTimer, pSyncNode->electTimerMS, pSyncNode, syncEnv()->pTimerManager,
|
|
&pSyncNode->pElectTimer);
|
|
} else {
|
|
sError("sync env is stop, syncNodeEqElectTimer");
|
|
}
|
|
#endif
|
|
}
|
|
|
|
static void syncNodeEqHeartbeatTimer(void* param, void* tmrId) {
|
|
SSyncNode* pSyncNode = (SSyncNode*)param;
|
|
|
|
syncNodeEventLog(pSyncNode, "eq hb timer");
|
|
|
|
if (pSyncNode->replicaNum > 1) {
|
|
if (atomic_load_64(&pSyncNode->heartbeatTimerLogicClockUser) <=
|
|
atomic_load_64(&pSyncNode->heartbeatTimerLogicClock)) {
|
|
SyncTimeout* pSyncMsg =
|
|
syncTimeoutBuild2(SYNC_TIMEOUT_HEARTBEAT, atomic_load_64(&pSyncNode->heartbeatTimerLogicClock),
|
|
pSyncNode->heartbeatTimerMS, pSyncNode->vgId, pSyncNode);
|
|
SRpcMsg rpcMsg;
|
|
syncTimeout2RpcMsg(pSyncMsg, &rpcMsg);
|
|
syncRpcMsgLog2((char*)"==syncNodeEqHeartbeatTimer==", &rpcMsg);
|
|
if (pSyncNode->syncEqMsg != NULL) {
|
|
int32_t code = pSyncNode->syncEqMsg(pSyncNode->msgcb, &rpcMsg);
|
|
if (code != 0) {
|
|
sError("vgId:%d, sync enqueue timer msg error, code:%d", pSyncNode->vgId, code);
|
|
rpcFreeCont(rpcMsg.pCont);
|
|
syncTimeoutDestroy(pSyncMsg);
|
|
return;
|
|
}
|
|
} else {
|
|
sError("vgId:%d, enqueue msg cb ptr (i.e. syncEqMsg) not set.", pSyncNode->vgId);
|
|
}
|
|
syncTimeoutDestroy(pSyncMsg);
|
|
|
|
if (syncIsInit()) {
|
|
taosTmrReset(syncNodeEqHeartbeatTimer, pSyncNode->heartbeatTimerMS, pSyncNode, syncEnv()->pTimerManager,
|
|
&pSyncNode->pHeartbeatTimer);
|
|
} else {
|
|
sError("sync env is stop, syncNodeEqHeartbeatTimer");
|
|
}
|
|
} else {
|
|
sTrace("==syncNodeEqHeartbeatTimer== heartbeatTimerLogicClock:%" PRIu64 ", heartbeatTimerLogicClockUser:%" PRIu64
|
|
"",
|
|
pSyncNode->heartbeatTimerLogicClock, pSyncNode->heartbeatTimerLogicClockUser);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void syncNodeEqPeerHeartbeatTimer(void* param, void* tmrId) {
|
|
SSyncHbTimerData* pData = (SSyncHbTimerData*)param;
|
|
SSyncNode* pSyncNode = pData->pSyncNode;
|
|
SSyncTimer* pSyncTimer = pData->pTimer;
|
|
|
|
if (pSyncNode->state != TAOS_SYNC_STATE_LEADER) {
|
|
return;
|
|
}
|
|
|
|
// syncNodeEventLog(pSyncNode, "eq peer hb timer");
|
|
|
|
int64_t timerLogicClock = atomic_load_64(&pSyncTimer->logicClock);
|
|
int64_t msgLogicClock = atomic_load_64(&pData->logicClock);
|
|
|
|
if (pSyncNode->replicaNum > 1) {
|
|
if (timerLogicClock == msgLogicClock) {
|
|
SyncHeartbeat* pSyncMsg = syncHeartbeatBuild(pSyncNode->vgId);
|
|
pSyncMsg->srcId = pSyncNode->myRaftId;
|
|
pSyncMsg->destId = pData->destId;
|
|
pSyncMsg->term = pSyncNode->pRaftStore->currentTerm;
|
|
pSyncMsg->commitIndex = pSyncNode->commitIndex;
|
|
pSyncMsg->minMatchIndex = syncMinMatchIndex(pSyncNode);
|
|
pSyncMsg->privateTerm = 0;
|
|
|
|
SRpcMsg rpcMsg;
|
|
syncHeartbeat2RpcMsg(pSyncMsg, &rpcMsg);
|
|
|
|
// eq msg
|
|
#if 0
|
|
if (pSyncNode->syncEqCtrlMsg != NULL) {
|
|
int32_t code = pSyncNode->syncEqCtrlMsg(pSyncNode->msgcb, &rpcMsg);
|
|
if (code != 0) {
|
|
sError("vgId:%d, sync ctrl enqueue timer msg error, code:%d", pSyncNode->vgId, code);
|
|
rpcFreeCont(rpcMsg.pCont);
|
|
syncHeartbeatDestroy(pSyncMsg);
|
|
return;
|
|
}
|
|
} else {
|
|
sError("vgId:%d, enqueue ctrl msg cb ptr (i.e. syncEqMsg) not set.", pSyncNode->vgId);
|
|
}
|
|
#endif
|
|
|
|
// send msg
|
|
syncNodeSendHeartbeat(pSyncNode, &(pSyncMsg->destId), pSyncMsg);
|
|
|
|
syncHeartbeatDestroy(pSyncMsg);
|
|
|
|
if (syncIsInit()) {
|
|
taosTmrReset(syncNodeEqPeerHeartbeatTimer, pSyncTimer->timerMS, pData, syncEnv()->pTimerManager,
|
|
&pSyncTimer->pTimer);
|
|
} else {
|
|
sError("sync env is stop, syncNodeEqHeartbeatTimer");
|
|
}
|
|
|
|
} else {
|
|
sTrace("==syncNodeEqPeerHeartbeatTimer== timerLogicClock:%" PRIu64 ", msgLogicClock:%" PRIu64 "", timerLogicClock,
|
|
msgLogicClock);
|
|
}
|
|
}
|
|
}
|
|
|
|
static int32_t syncNodeEqNoop(SSyncNode* ths) {
|
|
int32_t ret = 0;
|
|
ASSERT(ths->state == TAOS_SYNC_STATE_LEADER);
|
|
|
|
SyncIndex index = ths->pLogStore->syncLogWriteIndex(ths->pLogStore);
|
|
SyncTerm term = ths->pRaftStore->currentTerm;
|
|
SSyncRaftEntry* pEntry = syncEntryBuildNoop(term, index, ths->vgId);
|
|
ASSERT(pEntry != NULL);
|
|
|
|
uint32_t entryLen;
|
|
char* serialized = syncEntrySerialize(pEntry, &entryLen);
|
|
SyncClientRequest* pSyncMsg = syncClientRequestBuild(entryLen);
|
|
ASSERT(pSyncMsg->dataLen == entryLen);
|
|
memcpy(pSyncMsg->data, serialized, entryLen);
|
|
|
|
SRpcMsg rpcMsg = {0};
|
|
syncClientRequest2RpcMsg(pSyncMsg, &rpcMsg);
|
|
if (ths->syncEqMsg != NULL) {
|
|
ths->syncEqMsg(ths->msgcb, &rpcMsg);
|
|
} else {
|
|
sTrace("syncNodeEqNoop pSyncNode->syncEqMsg is NULL");
|
|
}
|
|
|
|
syncEntryDestory(pEntry);
|
|
taosMemoryFree(serialized);
|
|
syncClientRequestDestroy(pSyncMsg);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void deleteCacheEntry(const void* key, size_t keyLen, void* value) { taosMemoryFree(value); }
|
|
|
|
static int32_t syncCacheEntry(SSyncLogStore* pLogStore, SSyncRaftEntry* pEntry, LRUHandle** h) {
|
|
int code = 0;
|
|
int entryLen = sizeof(*pEntry) + pEntry->dataLen;
|
|
LRUStatus status = taosLRUCacheInsert(pLogStore->pCache, &pEntry->index, sizeof(pEntry->index), pEntry, entryLen,
|
|
deleteCacheEntry, h, TAOS_LRU_PRIORITY_LOW);
|
|
if (status != TAOS_LRU_STATUS_OK) {
|
|
code = -1;
|
|
}
|
|
|
|
return code;
|
|
}
|
|
|
|
static int32_t syncNodeAppendNoop(SSyncNode* ths) {
|
|
int32_t ret = 0;
|
|
|
|
SyncIndex index = ths->pLogStore->syncLogWriteIndex(ths->pLogStore);
|
|
SyncTerm term = ths->pRaftStore->currentTerm;
|
|
SSyncRaftEntry* pEntry = syncEntryBuildNoop(term, index, ths->vgId);
|
|
ASSERT(pEntry != NULL);
|
|
|
|
LRUHandle* h = NULL;
|
|
syncCacheEntry(ths->pLogStore, pEntry, &h);
|
|
|
|
if (ths->state == TAOS_SYNC_STATE_LEADER) {
|
|
int32_t code = ths->pLogStore->syncLogAppendEntry(ths->pLogStore, pEntry);
|
|
if (code != 0) {
|
|
syncNodeErrorLog(ths, "append noop error");
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if (h) {
|
|
taosLRUCacheRelease(ths->pLogStore->pCache, h, false);
|
|
} else {
|
|
syncEntryDestory(pEntry);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
// on message ----
|
|
int32_t syncNodeOnPing(SSyncNode* ths, SyncPing* pMsg) {
|
|
sTrace("vgId:%d, recv sync-ping", ths->vgId);
|
|
|
|
SyncPingReply* pMsgReply = syncPingReplyBuild3(&ths->myRaftId, &pMsg->srcId, ths->vgId);
|
|
SRpcMsg rpcMsg;
|
|
syncPingReply2RpcMsg(pMsgReply, &rpcMsg);
|
|
|
|
/*
|
|
// htonl
|
|
SMsgHead* pHead = rpcMsg.pCont;
|
|
pHead->contLen = htonl(pHead->contLen);
|
|
pHead->vgId = htonl(pHead->vgId);
|
|
*/
|
|
|
|
syncNodeSendMsgById(&pMsgReply->destId, ths, &rpcMsg);
|
|
syncPingReplyDestroy(pMsgReply);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int32_t syncNodeOnPingReply(SSyncNode* ths, SyncPingReply* pMsg) {
|
|
int32_t ret = 0;
|
|
sTrace("vgId:%d, recv sync-ping-reply", ths->vgId);
|
|
return ret;
|
|
}
|
|
|
|
int32_t syncNodeOnHeartbeat(SSyncNode* ths, SyncHeartbeat* pMsg) {
|
|
syncLogRecvHeartbeat(ths, pMsg, "");
|
|
|
|
SyncHeartbeatReply* pMsgReply = syncHeartbeatReplyBuild(ths->vgId);
|
|
pMsgReply->destId = pMsg->srcId;
|
|
pMsgReply->srcId = ths->myRaftId;
|
|
pMsgReply->term = ths->pRaftStore->currentTerm;
|
|
pMsgReply->privateTerm = 8864; // magic number
|
|
|
|
SRpcMsg rpcMsg;
|
|
syncHeartbeatReply2RpcMsg(pMsgReply, &rpcMsg);
|
|
|
|
if (pMsg->term == ths->pRaftStore->currentTerm && ths->state != TAOS_SYNC_STATE_LEADER) {
|
|
syncNodeResetElectTimer(ths);
|
|
ths->minMatchIndex = pMsg->minMatchIndex;
|
|
|
|
#if 0
|
|
if (ths->state == TAOS_SYNC_STATE_FOLLOWER) {
|
|
syncNodeFollowerCommit(ths, pMsg->commitIndex);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
if (pMsg->term >= ths->pRaftStore->currentTerm && ths->state != TAOS_SYNC_STATE_FOLLOWER) {
|
|
// syncNodeStepDown(ths, pMsg->term);
|
|
SyncLocalCmd* pSyncMsg = syncLocalCmdBuild(ths->vgId);
|
|
pSyncMsg->cmd = SYNC_LOCAL_CMD_STEP_DOWN;
|
|
pSyncMsg->sdNewTerm = pMsg->term;
|
|
|
|
SRpcMsg rpcMsgLocalCmd;
|
|
syncLocalCmd2RpcMsg(pSyncMsg, &rpcMsgLocalCmd);
|
|
|
|
if (ths->syncEqMsg != NULL && ths->msgcb != NULL) {
|
|
int32_t code = ths->syncEqMsg(ths->msgcb, &rpcMsgLocalCmd);
|
|
if (code != 0) {
|
|
sError("vgId:%d, sync enqueue step-down msg error, code:%d", ths->vgId, code);
|
|
rpcFreeCont(rpcMsgLocalCmd.pCont);
|
|
} else {
|
|
sTrace("vgId:%d, sync enqueue step-down msg, new-term: %" PRIu64, ths->vgId, pSyncMsg->sdNewTerm);
|
|
}
|
|
}
|
|
|
|
syncLocalCmdDestroy(pSyncMsg);
|
|
}
|
|
|
|
/*
|
|
// htonl
|
|
SMsgHead* pHead = rpcMsg.pCont;
|
|
pHead->contLen = htonl(pHead->contLen);
|
|
pHead->vgId = htonl(pHead->vgId);
|
|
*/
|
|
|
|
// reply
|
|
syncNodeSendMsgById(&pMsgReply->destId, ths, &rpcMsg);
|
|
syncHeartbeatReplyDestroy(pMsgReply);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int32_t syncNodeOnHeartbeatReply(SSyncNode* ths, SyncHeartbeatReply* pMsg) {
|
|
syncLogRecvHeartbeatReply(ths, pMsg, "");
|
|
|
|
// update last reply time, make decision whether the other node is alive or not
|
|
syncIndexMgrSetRecvTime(ths->pMatchIndex, &(pMsg->destId), pMsg->startTime);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int32_t syncNodeOnLocalCmd(SSyncNode* ths, SyncLocalCmd* pMsg) {
|
|
syncLogRecvLocalCmd(ths, pMsg, "");
|
|
|
|
if (pMsg->cmd == SYNC_LOCAL_CMD_STEP_DOWN) {
|
|
syncNodeStepDown(ths, pMsg->sdNewTerm);
|
|
|
|
} else {
|
|
syncNodeErrorLog(ths, "error local cmd");
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
// TLA+ Spec
|
|
// ClientRequest(i, v) ==
|
|
// /\ state[i] = Leader
|
|
// /\ LET entry == [term |-> currentTerm[i],
|
|
// value |-> v]
|
|
// newLog == Append(log[i], entry)
|
|
// IN log' = [log EXCEPT ![i] = newLog]
|
|
// /\ UNCHANGED <<messages, serverVars, candidateVars,
|
|
// leaderVars, commitIndex>>
|
|
//
|
|
|
|
int32_t syncNodeOnClientRequest(SSyncNode* ths, SyncClientRequest* pMsg, SyncIndex* pRetIndex) {
|
|
syncNodeEventLog(ths, "on client request");
|
|
|
|
int32_t ret = 0;
|
|
int32_t code = 0;
|
|
|
|
SyncIndex index = ths->pLogStore->syncLogWriteIndex(ths->pLogStore);
|
|
SyncTerm term = ths->pRaftStore->currentTerm;
|
|
SSyncRaftEntry* pEntry = syncEntryBuild2((SyncClientRequest*)pMsg, term, index);
|
|
ASSERT(pEntry != NULL);
|
|
|
|
LRUHandle* h = NULL;
|
|
syncCacheEntry(ths->pLogStore, pEntry, &h);
|
|
|
|
if (ths->state == TAOS_SYNC_STATE_LEADER) {
|
|
// append entry
|
|
code = ths->pLogStore->syncLogAppendEntry(ths->pLogStore, pEntry);
|
|
if (code != 0) {
|
|
// del resp mgr, call FpCommitCb
|
|
ASSERT(0);
|
|
return -1;
|
|
}
|
|
|
|
// if mulit replica, start replicate right now
|
|
if (ths->replicaNum > 1) {
|
|
syncNodeReplicate(ths);
|
|
}
|
|
|
|
// if only myself, maybe commit right now
|
|
if (ths->replicaNum == 1) {
|
|
syncMaybeAdvanceCommitIndex(ths);
|
|
}
|
|
}
|
|
|
|
if (pRetIndex != NULL) {
|
|
if (ret == 0 && pEntry != NULL) {
|
|
*pRetIndex = pEntry->index;
|
|
} else {
|
|
*pRetIndex = SYNC_INDEX_INVALID;
|
|
}
|
|
}
|
|
|
|
if (h) {
|
|
taosLRUCacheRelease(ths->pLogStore->pCache, h, false);
|
|
} else {
|
|
syncEntryDestory(pEntry);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
const char* syncStr(ESyncState state) {
|
|
switch (state) {
|
|
case TAOS_SYNC_STATE_FOLLOWER:
|
|
return "follower";
|
|
case TAOS_SYNC_STATE_CANDIDATE:
|
|
return "candidate";
|
|
case TAOS_SYNC_STATE_LEADER:
|
|
return "leader";
|
|
default:
|
|
return "error";
|
|
}
|
|
}
|
|
|
|
int32_t syncDoLeaderTransfer(SSyncNode* ths, SRpcMsg* pRpcMsg, SSyncRaftEntry* pEntry) {
|
|
if (ths->state != TAOS_SYNC_STATE_FOLLOWER) {
|
|
syncNodeEventLog(ths, "I am not follower, can not do leader transfer");
|
|
return 0;
|
|
}
|
|
|
|
if (!ths->restoreFinish) {
|
|
syncNodeEventLog(ths, "restore not finish, can not do leader transfer");
|
|
return 0;
|
|
}
|
|
|
|
if (pEntry->term < ths->pRaftStore->currentTerm) {
|
|
char logBuf[128];
|
|
snprintf(logBuf, sizeof(logBuf), "little term:%" PRIu64 ", can not do leader transfer", pEntry->term);
|
|
syncNodeEventLog(ths, logBuf);
|
|
return 0;
|
|
}
|
|
|
|
if (pEntry->index < syncNodeGetLastIndex(ths)) {
|
|
char logBuf[128];
|
|
snprintf(logBuf, sizeof(logBuf), "little index:%" PRId64 ", can not do leader transfer", pEntry->index);
|
|
syncNodeEventLog(ths, logBuf);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
if (ths->vgId > 1) {
|
|
syncNodeEventLog(ths, "I am vnode, can not do leader transfer");
|
|
return 0;
|
|
}
|
|
*/
|
|
|
|
SyncLeaderTransfer* pSyncLeaderTransfer = syncLeaderTransferFromRpcMsg2(pRpcMsg);
|
|
|
|
do {
|
|
char logBuf[128];
|
|
snprintf(logBuf, sizeof(logBuf), "do leader transfer, index:%" PRId64, pEntry->index);
|
|
syncNodeEventLog(ths, logBuf);
|
|
} while (0);
|
|
|
|
bool sameId = syncUtilSameId(&(pSyncLeaderTransfer->newLeaderId), &(ths->myRaftId));
|
|
bool sameNodeInfo = strcmp(pSyncLeaderTransfer->newNodeInfo.nodeFqdn, ths->myNodeInfo.nodeFqdn) == 0 &&
|
|
pSyncLeaderTransfer->newNodeInfo.nodePort == ths->myNodeInfo.nodePort;
|
|
|
|
bool same = sameId || sameNodeInfo;
|
|
if (same) {
|
|
// reset elect timer now!
|
|
int32_t electMS = 1;
|
|
int32_t ret = syncNodeRestartElectTimer(ths, electMS);
|
|
ASSERT(ret == 0);
|
|
|
|
char eventLog[256];
|
|
snprintf(eventLog, sizeof(eventLog), "maybe leader transfer to %s:%d %" PRIu64,
|
|
pSyncLeaderTransfer->newNodeInfo.nodeFqdn, pSyncLeaderTransfer->newNodeInfo.nodePort,
|
|
pSyncLeaderTransfer->newLeaderId.addr);
|
|
syncNodeEventLog(ths, eventLog);
|
|
}
|
|
|
|
if (ths->pFsm->FpLeaderTransferCb != NULL) {
|
|
SFsmCbMeta cbMeta = {
|
|
cbMeta.code = 0,
|
|
cbMeta.currentTerm = ths->pRaftStore->currentTerm,
|
|
cbMeta.flag = 0,
|
|
cbMeta.index = pEntry->index,
|
|
cbMeta.lastConfigIndex = syncNodeGetSnapshotConfigIndex(ths, pEntry->index),
|
|
cbMeta.isWeak = pEntry->isWeak,
|
|
cbMeta.seqNum = pEntry->seqNum,
|
|
cbMeta.state = ths->state,
|
|
cbMeta.term = pEntry->term,
|
|
};
|
|
ths->pFsm->FpLeaderTransferCb(ths->pFsm, pRpcMsg, &cbMeta);
|
|
}
|
|
|
|
syncLeaderTransferDestroy(pSyncLeaderTransfer);
|
|
return 0;
|
|
}
|
|
|
|
int32_t syncNodeUpdateNewConfigIndex(SSyncNode* ths, SSyncCfg* pNewCfg) {
|
|
for (int i = 0; i < pNewCfg->replicaNum; ++i) {
|
|
SRaftId raftId;
|
|
raftId.addr = syncUtilAddr2U64((pNewCfg->nodeInfo)[i].nodeFqdn, (pNewCfg->nodeInfo)[i].nodePort);
|
|
raftId.vgId = ths->vgId;
|
|
|
|
if (syncUtilSameId(&(ths->myRaftId), &raftId)) {
|
|
pNewCfg->myIndex = i;
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
static int32_t syncNodeConfigChangeFinish(SSyncNode* ths, SRpcMsg* pRpcMsg, SSyncRaftEntry* pEntry) {
|
|
SyncReconfigFinish* pFinish = syncReconfigFinishFromRpcMsg2(pRpcMsg);
|
|
ASSERT(pFinish);
|
|
|
|
if (ths->pFsm->FpReConfigCb != NULL) {
|
|
SReConfigCbMeta cbMeta = {0};
|
|
cbMeta.code = 0;
|
|
cbMeta.index = pEntry->index;
|
|
cbMeta.term = pEntry->term;
|
|
cbMeta.seqNum = pEntry->seqNum;
|
|
cbMeta.lastConfigIndex = syncNodeGetSnapshotConfigIndex(ths, pEntry->index);
|
|
cbMeta.state = ths->state;
|
|
cbMeta.currentTerm = ths->pRaftStore->currentTerm;
|
|
cbMeta.isWeak = pEntry->isWeak;
|
|
cbMeta.flag = 0;
|
|
|
|
cbMeta.oldCfg = pFinish->oldCfg;
|
|
cbMeta.newCfg = pFinish->newCfg;
|
|
cbMeta.newCfgIndex = pFinish->newCfgIndex;
|
|
cbMeta.newCfgTerm = pFinish->newCfgTerm;
|
|
cbMeta.newCfgSeqNum = pFinish->newCfgSeqNum;
|
|
|
|
ths->pFsm->FpReConfigCb(ths->pFsm, pRpcMsg, &cbMeta);
|
|
}
|
|
|
|
// clear changing
|
|
ths->changing = false;
|
|
|
|
char tmpbuf[512];
|
|
char* oldStr = syncCfg2SimpleStr(&(pFinish->oldCfg));
|
|
char* newStr = syncCfg2SimpleStr(&(pFinish->newCfg));
|
|
snprintf(tmpbuf, sizeof(tmpbuf), "config change finish from %d to %d, index:%" PRId64 ", %s --> %s",
|
|
pFinish->oldCfg.replicaNum, pFinish->newCfg.replicaNum, pFinish->newCfgIndex, oldStr, newStr);
|
|
taosMemoryFree(oldStr);
|
|
taosMemoryFree(newStr);
|
|
syncNodeEventLog(ths, tmpbuf);
|
|
|
|
syncReconfigFinishDestroy(pFinish);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int32_t syncNodeConfigChange(SSyncNode* ths, SRpcMsg* pRpcMsg, SSyncRaftEntry* pEntry,
|
|
SyncReconfigFinish* pFinish) {
|
|
// set changing
|
|
ths->changing = true;
|
|
|
|
// old config
|
|
SSyncCfg oldSyncCfg = ths->pRaftCfg->cfg;
|
|
|
|
// new config
|
|
SSyncCfg newSyncCfg;
|
|
int32_t ret = syncCfgFromStr(pRpcMsg->pCont, &newSyncCfg);
|
|
ASSERT(ret == 0);
|
|
|
|
// update new config myIndex
|
|
syncNodeUpdateNewConfigIndex(ths, &newSyncCfg);
|
|
|
|
// do config change
|
|
syncNodeDoConfigChange(ths, &newSyncCfg, pEntry->index);
|
|
|
|
// set pFinish
|
|
pFinish->oldCfg = oldSyncCfg;
|
|
pFinish->newCfg = newSyncCfg;
|
|
pFinish->newCfgIndex = pEntry->index;
|
|
pFinish->newCfgTerm = pEntry->term;
|
|
pFinish->newCfgSeqNum = pEntry->seqNum;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int32_t syncNodeProposeConfigChangeFinish(SSyncNode* ths, SyncReconfigFinish* pFinish) {
|
|
SRpcMsg rpcMsg;
|
|
syncReconfigFinish2RpcMsg(pFinish, &rpcMsg);
|
|
|
|
int32_t code = syncNodePropose(ths, &rpcMsg, false);
|
|
if (code != 0) {
|
|
sError("syncNodeProposeConfigChangeFinish error");
|
|
ths->changing = false;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
bool syncNodeIsOptimizedOneReplica(SSyncNode* ths, SRpcMsg* pMsg) {
|
|
return (ths->replicaNum == 1 && syncUtilUserCommit(pMsg->msgType) && ths->vgId != 1);
|
|
}
|
|
|
|
int32_t syncNodeDoCommit(SSyncNode* ths, SyncIndex beginIndex, SyncIndex endIndex, uint64_t flag) {
|
|
if (beginIndex > endIndex) {
|
|
return 0;
|
|
}
|
|
|
|
if (ths == NULL) {
|
|
return -1;
|
|
}
|
|
|
|
if (ths->pFsm != NULL && ths->pFsm->FpGetSnapshotInfo != NULL) {
|
|
// advance commit index to sanpshot first
|
|
SSnapshot snapshot = {0};
|
|
ths->pFsm->FpGetSnapshotInfo(ths->pFsm, &snapshot);
|
|
if (snapshot.lastApplyIndex >= 0 && snapshot.lastApplyIndex >= beginIndex) {
|
|
char eventLog[128];
|
|
snprintf(eventLog, sizeof(eventLog), "commit by snapshot from index:%" PRId64 " to index:%" PRId64, beginIndex,
|
|
snapshot.lastApplyIndex);
|
|
syncNodeEventLog(ths, eventLog);
|
|
|
|
// update begin index
|
|
beginIndex = snapshot.lastApplyIndex + 1;
|
|
}
|
|
}
|
|
|
|
int32_t code = 0;
|
|
ESyncState state = flag;
|
|
|
|
char eventLog[128];
|
|
snprintf(eventLog, sizeof(eventLog), "commit by wal from index:%" PRId64 " to index:%" PRId64, beginIndex, endIndex);
|
|
syncNodeEventLog(ths, eventLog);
|
|
|
|
// execute fsm
|
|
if (ths->pFsm != NULL) {
|
|
for (SyncIndex i = beginIndex; i <= endIndex; ++i) {
|
|
if (i != SYNC_INDEX_INVALID) {
|
|
SSyncRaftEntry* pEntry;
|
|
SLRUCache* pCache = ths->pLogStore->pCache;
|
|
LRUHandle* h = taosLRUCacheLookup(pCache, &i, sizeof(i));
|
|
if (h) {
|
|
pEntry = (SSyncRaftEntry*)taosLRUCacheValue(pCache, h);
|
|
} else {
|
|
code = ths->pLogStore->syncLogGetEntry(ths->pLogStore, i, &pEntry);
|
|
// ASSERT(code == 0);
|
|
// ASSERT(pEntry != NULL);
|
|
if (code != 0 || pEntry == NULL) {
|
|
syncNodeErrorLog(ths, "get log entry error");
|
|
sFatal("vgId:%d, get log entry %" PRId64 " error when commit since %s", ths->vgId, i, terrstr());
|
|
continue;
|
|
}
|
|
}
|
|
|
|
SRpcMsg rpcMsg;
|
|
syncEntry2OriginalRpc(pEntry, &rpcMsg);
|
|
|
|
// user commit
|
|
if ((ths->pFsm->FpCommitCb != NULL) && syncUtilUserCommit(pEntry->originalRpcType)) {
|
|
bool internalExecute = true;
|
|
if ((ths->replicaNum == 1) && ths->restoreFinish && ths->vgId != 1) {
|
|
internalExecute = false;
|
|
}
|
|
|
|
do {
|
|
char logBuf[128];
|
|
snprintf(logBuf, sizeof(logBuf), "commit index:%" PRId64 ", internal:%d", i, internalExecute);
|
|
syncNodeEventLog(ths, logBuf);
|
|
} while (0);
|
|
|
|
// execute fsm in apply thread, or execute outside syncPropose
|
|
if (internalExecute) {
|
|
SFsmCbMeta cbMeta = {
|
|
.index = pEntry->index,
|
|
.lastConfigIndex = syncNodeGetSnapshotConfigIndex(ths, pEntry->index),
|
|
.isWeak = pEntry->isWeak,
|
|
.code = 0,
|
|
.state = ths->state,
|
|
.seqNum = pEntry->seqNum,
|
|
.term = pEntry->term,
|
|
.currentTerm = ths->pRaftStore->currentTerm,
|
|
.flag = flag,
|
|
};
|
|
|
|
syncGetAndDelRespRpc(ths, cbMeta.seqNum, &rpcMsg.info);
|
|
ths->pFsm->FpCommitCb(ths->pFsm, &rpcMsg, &cbMeta);
|
|
}
|
|
}
|
|
|
|
// config change
|
|
if (pEntry->originalRpcType == TDMT_SYNC_CONFIG_CHANGE) {
|
|
SyncReconfigFinish* pFinish = syncReconfigFinishBuild(ths->vgId);
|
|
ASSERT(pFinish != NULL);
|
|
|
|
code = syncNodeConfigChange(ths, &rpcMsg, pEntry, pFinish);
|
|
ASSERT(code == 0);
|
|
|
|
if (ths->state == TAOS_SYNC_STATE_LEADER) {
|
|
syncNodeProposeConfigChangeFinish(ths, pFinish);
|
|
}
|
|
syncReconfigFinishDestroy(pFinish);
|
|
}
|
|
|
|
// config change finish
|
|
if (pEntry->originalRpcType == TDMT_SYNC_CONFIG_CHANGE_FINISH) {
|
|
if (rpcMsg.pCont != NULL && rpcMsg.contLen > 0) {
|
|
code = syncNodeConfigChangeFinish(ths, &rpcMsg, pEntry);
|
|
ASSERT(code == 0);
|
|
}
|
|
}
|
|
|
|
#if 0
|
|
// execute in pre-commit
|
|
// leader transfer
|
|
if (pEntry->originalRpcType == TDMT_SYNC_LEADER_TRANSFER) {
|
|
code = syncDoLeaderTransfer(ths, &rpcMsg, pEntry);
|
|
ASSERT(code == 0);
|
|
}
|
|
#endif
|
|
|
|
// restore finish
|
|
// if only snapshot, a noop entry will be append, so syncLogLastIndex is always ok
|
|
if (pEntry->index == ths->pLogStore->syncLogLastIndex(ths->pLogStore)) {
|
|
if (ths->restoreFinish == false) {
|
|
if (ths->pFsm->FpRestoreFinishCb != NULL) {
|
|
ths->pFsm->FpRestoreFinishCb(ths->pFsm);
|
|
}
|
|
ths->restoreFinish = true;
|
|
|
|
int64_t restoreDelay = taosGetTimestampMs() - ths->leaderTime;
|
|
|
|
char eventLog[128];
|
|
snprintf(eventLog, sizeof(eventLog), "restore finish, index:%" PRId64 ", elapsed:%" PRId64 " ms, ",
|
|
pEntry->index, restoreDelay);
|
|
syncNodeEventLog(ths, eventLog);
|
|
}
|
|
}
|
|
|
|
rpcFreeCont(rpcMsg.pCont);
|
|
if (h) {
|
|
taosLRUCacheRelease(pCache, h, false);
|
|
} else {
|
|
syncEntryDestory(pEntry);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
bool syncNodeInRaftGroup(SSyncNode* ths, SRaftId* pRaftId) {
|
|
for (int i = 0; i < ths->replicaNum; ++i) {
|
|
if (syncUtilSameId(&((ths->replicasId)[i]), pRaftId)) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
SSyncSnapshotSender* syncNodeGetSnapshotSender(SSyncNode* ths, SRaftId* pDestId) {
|
|
SSyncSnapshotSender* pSender = NULL;
|
|
for (int i = 0; i < ths->replicaNum; ++i) {
|
|
if (syncUtilSameId(pDestId, &((ths->replicasId)[i]))) {
|
|
pSender = (ths->senders)[i];
|
|
}
|
|
}
|
|
return pSender;
|
|
}
|
|
|
|
SSyncTimer* syncNodeGetHbTimer(SSyncNode* ths, SRaftId* pDestId) {
|
|
SSyncTimer* pTimer = NULL;
|
|
for (int i = 0; i < ths->replicaNum; ++i) {
|
|
if (syncUtilSameId(pDestId, &((ths->replicasId)[i]))) {
|
|
pTimer = &((ths->peerHeartbeatTimerArr)[i]);
|
|
}
|
|
}
|
|
return pTimer;
|
|
}
|
|
|
|
SPeerState* syncNodeGetPeerState(SSyncNode* ths, const SRaftId* pDestId) {
|
|
SPeerState* pState = NULL;
|
|
for (int i = 0; i < ths->replicaNum; ++i) {
|
|
if (syncUtilSameId(pDestId, &((ths->replicasId)[i]))) {
|
|
pState = &((ths->peerStates)[i]);
|
|
}
|
|
}
|
|
return pState;
|
|
}
|
|
|
|
bool syncNodeNeedSendAppendEntries(SSyncNode* ths, const SRaftId* pDestId, const SyncAppendEntries* pMsg) {
|
|
SPeerState* pState = syncNodeGetPeerState(ths, pDestId);
|
|
if (pState == NULL) {
|
|
sError("vgId:%d, replica maybe dropped", ths->vgId);
|
|
return false;
|
|
}
|
|
|
|
SyncIndex sendIndex = pMsg->prevLogIndex + 1;
|
|
int64_t tsNow = taosGetTimestampMs();
|
|
|
|
if (pState->lastSendIndex == sendIndex && tsNow - pState->lastSendTime < SYNC_APPEND_ENTRIES_TIMEOUT_MS) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool syncNodeCanChange(SSyncNode* pSyncNode) {
|
|
if (pSyncNode->changing) {
|
|
sError("sync cannot change");
|
|
return false;
|
|
}
|
|
|
|
if ((pSyncNode->commitIndex >= SYNC_INDEX_BEGIN)) {
|
|
SyncIndex lastIndex = syncNodeGetLastIndex(pSyncNode);
|
|
if (pSyncNode->commitIndex != lastIndex) {
|
|
sError("sync cannot change2");
|
|
return false;
|
|
}
|
|
}
|
|
|
|
for (int i = 0; i < pSyncNode->peersNum; ++i) {
|
|
SSyncSnapshotSender* pSender = syncNodeGetSnapshotSender(pSyncNode, &(pSyncNode->peersId)[i]);
|
|
if (pSender != NULL && pSender->start) {
|
|
sError("sync cannot change3");
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
const char* syncTimerTypeStr(enum ESyncTimeoutType timerType) {
|
|
if (timerType == SYNC_TIMEOUT_PING) {
|
|
return "ping";
|
|
} else if (timerType == SYNC_TIMEOUT_ELECTION) {
|
|
return "elect";
|
|
} else if (timerType == SYNC_TIMEOUT_HEARTBEAT) {
|
|
return "heartbeat";
|
|
} else {
|
|
return "unknown";
|
|
}
|
|
}
|
|
|
|
void syncLogRecvTimer(SSyncNode* pSyncNode, const SyncTimeout* pMsg, const char* s) {
|
|
char logBuf[256];
|
|
snprintf(logBuf, sizeof(logBuf), "recv sync-timer {type:%s, lc:%" PRIu64 ", ms:%d, data:%p}, %s",
|
|
syncTimerTypeStr(pMsg->timeoutType), pMsg->logicClock, pMsg->timerMS, pMsg->data, s);
|
|
syncNodeEventLog(pSyncNode, logBuf);
|
|
}
|
|
|
|
void syncLogSendRequestVote(SSyncNode* pSyncNode, const SyncRequestVote* pMsg, const char* s) {
|
|
char host[64];
|
|
uint16_t port;
|
|
syncUtilU642Addr(pMsg->destId.addr, host, sizeof(host), &port);
|
|
char logBuf[256];
|
|
snprintf(logBuf, sizeof(logBuf),
|
|
"send sync-request-vote to %s:%d {term:%" PRIu64 ", lindex:%" PRId64 ", lterm:%" PRIu64 "}, %s", host, port,
|
|
pMsg->term, pMsg->lastLogIndex, pMsg->lastLogTerm, s);
|
|
syncNodeEventLog(pSyncNode, logBuf);
|
|
}
|
|
|
|
void syncLogRecvRequestVote(SSyncNode* pSyncNode, const SyncRequestVote* pMsg, const char* s) {
|
|
char logBuf[256];
|
|
char host[64];
|
|
uint16_t port;
|
|
syncUtilU642Addr(pMsg->srcId.addr, host, sizeof(host), &port);
|
|
snprintf(logBuf, sizeof(logBuf),
|
|
"recv sync-request-vote from %s:%d, {term:%" PRIu64 ", lindex:%" PRId64 ", lterm:%" PRIu64 "}, %s", host,
|
|
port, pMsg->term, pMsg->lastLogIndex, pMsg->lastLogTerm, s);
|
|
syncNodeEventLog(pSyncNode, logBuf);
|
|
}
|
|
|
|
void syncLogSendRequestVoteReply(SSyncNode* pSyncNode, const SyncRequestVoteReply* pMsg, const char* s) {
|
|
char host[64];
|
|
uint16_t port;
|
|
syncUtilU642Addr(pMsg->destId.addr, host, sizeof(host), &port);
|
|
char logBuf[256];
|
|
snprintf(logBuf, sizeof(logBuf), "send sync-request-vote-reply to %s:%d {term:%" PRIu64 ", grant:%d}, %s", host, port,
|
|
pMsg->term, pMsg->voteGranted, s);
|
|
syncNodeEventLog(pSyncNode, logBuf);
|
|
}
|
|
|
|
void syncLogRecvRequestVoteReply(SSyncNode* pSyncNode, const SyncRequestVoteReply* pMsg, const char* s) {
|
|
char host[64];
|
|
uint16_t port;
|
|
syncUtilU642Addr(pMsg->srcId.addr, host, sizeof(host), &port);
|
|
char logBuf[256];
|
|
snprintf(logBuf, sizeof(logBuf), "recv sync-request-vote-reply from %s:%d {term:%" PRIu64 ", grant:%d}, %s", host,
|
|
port, pMsg->term, pMsg->voteGranted, s);
|
|
syncNodeEventLog(pSyncNode, logBuf);
|
|
}
|
|
|
|
void syncLogSendAppendEntries(SSyncNode* pSyncNode, const SyncAppendEntries* pMsg, const char* s) {
|
|
char host[64];
|
|
uint16_t port;
|
|
syncUtilU642Addr(pMsg->destId.addr, host, sizeof(host), &port);
|
|
char logBuf[256];
|
|
snprintf(logBuf, sizeof(logBuf),
|
|
"send sync-append-entries to %s:%d, {term:%" PRIu64 ", pre-index:%" PRId64 ", pre-term:%" PRIu64
|
|
", pterm:%" PRIu64 ", cmt:%" PRId64
|
|
", "
|
|
"datalen:%d}, %s",
|
|
host, port, pMsg->term, pMsg->prevLogIndex, pMsg->prevLogTerm, pMsg->privateTerm, pMsg->commitIndex,
|
|
pMsg->dataLen, s);
|
|
syncNodeEventLog(pSyncNode, logBuf);
|
|
}
|
|
|
|
void syncLogRecvAppendEntries(SSyncNode* pSyncNode, const SyncAppendEntries* pMsg, const char* s) {
|
|
char host[64];
|
|
uint16_t port;
|
|
syncUtilU642Addr(pMsg->srcId.addr, host, sizeof(host), &port);
|
|
char logBuf[256];
|
|
snprintf(logBuf, sizeof(logBuf),
|
|
"recv sync-append-entries from %s:%d {term:%" PRIu64 ", pre-index:%" PRIu64 ", pre-term:%" PRIu64
|
|
", cmt:%" PRIu64 ", pterm:%" PRIu64
|
|
", "
|
|
"datalen:%d}, %s",
|
|
host, port, pMsg->term, pMsg->prevLogIndex, pMsg->prevLogTerm, pMsg->commitIndex, pMsg->privateTerm,
|
|
pMsg->dataLen, s);
|
|
syncNodeEventLog(pSyncNode, logBuf);
|
|
}
|
|
|
|
void syncLogSendAppendEntriesBatch(SSyncNode* pSyncNode, const SyncAppendEntriesBatch* pMsg, const char* s) {
|
|
char host[64];
|
|
uint16_t port;
|
|
syncUtilU642Addr(pMsg->destId.addr, host, sizeof(host), &port);
|
|
char logBuf[256];
|
|
snprintf(logBuf, sizeof(logBuf),
|
|
"send sync-append-entries-batch to %s:%d, {term:%" PRIu64 ", pre-index:%" PRId64 ", pre-term:%" PRIu64
|
|
", pterm:%" PRIu64 ", cmt:%" PRId64 ", datalen:%d, count:%d}, %s",
|
|
host, port, pMsg->term, pMsg->prevLogIndex, pMsg->prevLogTerm, pMsg->privateTerm, pMsg->commitIndex,
|
|
pMsg->dataLen, pMsg->dataCount, s);
|
|
syncNodeEventLog(pSyncNode, logBuf);
|
|
}
|
|
|
|
void syncLogRecvAppendEntriesBatch(SSyncNode* pSyncNode, const SyncAppendEntriesBatch* pMsg, const char* s) {
|
|
char host[64];
|
|
uint16_t port;
|
|
syncUtilU642Addr(pMsg->srcId.addr, host, sizeof(host), &port);
|
|
char logBuf[256];
|
|
snprintf(logBuf, sizeof(logBuf),
|
|
"recv sync-append-entries-batch from %s:%d, {term:%" PRIu64 ", pre-index:%" PRId64 ", pre-term:%" PRIu64
|
|
", pterm:%" PRIu64 ", cmt:%" PRId64 ", datalen:%d, count:%d}, %s",
|
|
host, port, pMsg->term, pMsg->prevLogIndex, pMsg->prevLogTerm, pMsg->privateTerm, pMsg->commitIndex,
|
|
pMsg->dataLen, pMsg->dataCount, s);
|
|
syncNodeEventLog(pSyncNode, logBuf);
|
|
}
|
|
|
|
void syncLogSendAppendEntriesReply(SSyncNode* pSyncNode, const SyncAppendEntriesReply* pMsg, const char* s) {
|
|
char host[64];
|
|
uint16_t port;
|
|
syncUtilU642Addr(pMsg->destId.addr, host, sizeof(host), &port);
|
|
char logBuf[256];
|
|
snprintf(logBuf, sizeof(logBuf),
|
|
"send sync-append-entries-reply to %s:%d, {term:%" PRIu64 ", pterm:%" PRIu64 ", success:%d, match:%" PRId64
|
|
"}, %s",
|
|
host, port, pMsg->term, pMsg->privateTerm, pMsg->success, pMsg->matchIndex, s);
|
|
syncNodeEventLog(pSyncNode, logBuf);
|
|
}
|
|
|
|
void syncLogRecvAppendEntriesReply(SSyncNode* pSyncNode, const SyncAppendEntriesReply* pMsg, const char* s) {
|
|
char host[64];
|
|
uint16_t port;
|
|
syncUtilU642Addr(pMsg->srcId.addr, host, sizeof(host), &port);
|
|
char logBuf[256];
|
|
snprintf(logBuf, sizeof(logBuf),
|
|
"recv sync-append-entries-reply from %s:%d {term:%" PRIu64 ", pterm:%" PRIu64 ", success:%d, match:%" PRId64
|
|
"}, %s",
|
|
host, port, pMsg->term, pMsg->privateTerm, pMsg->success, pMsg->matchIndex, s);
|
|
syncNodeEventLog(pSyncNode, logBuf);
|
|
}
|
|
|
|
void syncLogSendHeartbeat(SSyncNode* pSyncNode, const SyncHeartbeat* pMsg, const char* s) {
|
|
char host[64];
|
|
uint16_t port;
|
|
syncUtilU642Addr(pMsg->destId.addr, host, sizeof(host), &port);
|
|
char logBuf[256];
|
|
snprintf(logBuf, sizeof(logBuf),
|
|
"send sync-heartbeat to %s:%d {term:%" PRIu64 ", cmt:%" PRId64 ", min-match:%" PRId64 ", pterm:%" PRIu64
|
|
"}, %s",
|
|
host, port, pMsg->term, pMsg->commitIndex, pMsg->minMatchIndex, pMsg->privateTerm, s);
|
|
syncNodeEventLog(pSyncNode, logBuf);
|
|
}
|
|
|
|
void syncLogRecvHeartbeat(SSyncNode* pSyncNode, const SyncHeartbeat* pMsg, const char* s) {
|
|
char host[64];
|
|
uint16_t port;
|
|
syncUtilU642Addr(pMsg->srcId.addr, host, sizeof(host), &port);
|
|
char logBuf[256];
|
|
snprintf(logBuf, sizeof(logBuf),
|
|
"recv sync-heartbeat from %s:%d {term:%" PRIu64 ", cmt:%" PRId64 ", min-match:%" PRId64 ", pterm:%" PRIu64
|
|
"}, %s",
|
|
host, port, pMsg->term, pMsg->commitIndex, pMsg->minMatchIndex, pMsg->privateTerm, s);
|
|
syncNodeEventLog(pSyncNode, logBuf);
|
|
}
|
|
|
|
void syncLogSendHeartbeatReply(SSyncNode* pSyncNode, const SyncHeartbeatReply* pMsg, const char* s) {
|
|
char host[64];
|
|
uint16_t port;
|
|
syncUtilU642Addr(pMsg->destId.addr, host, sizeof(host), &port);
|
|
char logBuf[256];
|
|
snprintf(logBuf, sizeof(logBuf), "send sync-heartbeat-reply from %s:%d {term:%" PRIu64 ", pterm:%" PRIu64 "}, %s",
|
|
host, port, pMsg->term, pMsg->privateTerm, s);
|
|
syncNodeEventLog(pSyncNode, logBuf);
|
|
}
|
|
|
|
void syncLogRecvHeartbeatReply(SSyncNode* pSyncNode, const SyncHeartbeatReply* pMsg, const char* s) {
|
|
char host[64];
|
|
uint16_t port;
|
|
syncUtilU642Addr(pMsg->srcId.addr, host, sizeof(host), &port);
|
|
char logBuf[256];
|
|
snprintf(logBuf, sizeof(logBuf), "recv sync-heartbeat-reply from %s:%d {term:%" PRIu64 ", pterm:%" PRIu64 "}, %s",
|
|
host, port, pMsg->term, pMsg->privateTerm, s);
|
|
syncNodeEventLog(pSyncNode, logBuf);
|
|
}
|
|
|
|
void syncLogRecvLocalCmd(SSyncNode* pSyncNode, const SyncLocalCmd* pMsg, const char* s) {
|
|
char logBuf[256];
|
|
snprintf(logBuf, sizeof(logBuf), "recv sync-local-cmd {cmd:%d-%s, sd-new-term:%" PRIu64 "}, %s", pMsg->cmd,
|
|
syncLocalCmdGetStr(pMsg->cmd), pMsg->sdNewTerm, s);
|
|
syncNodeEventLog(pSyncNode, logBuf);
|
|
}
|
|
|
|
void syncLogSendSyncPreSnapshot(SSyncNode* pSyncNode, const SyncPreSnapshot* pMsg, const char* s) {
|
|
char host[64];
|
|
uint16_t port;
|
|
syncUtilU642Addr(pMsg->destId.addr, host, sizeof(host), &port);
|
|
char logBuf[256];
|
|
snprintf(logBuf, sizeof(logBuf), "send sync-pre-snapshot to %s:%d {term:%" PRIu64 "}, %s", host, port, pMsg->term, s);
|
|
syncNodeEventLog(pSyncNode, logBuf);
|
|
}
|
|
|
|
void syncLogRecvSyncPreSnapshot(SSyncNode* pSyncNode, const SyncPreSnapshot* pMsg, const char* s) {
|
|
char host[64];
|
|
uint16_t port;
|
|
syncUtilU642Addr(pMsg->srcId.addr, host, sizeof(host), &port);
|
|
char logBuf[256];
|
|
snprintf(logBuf, sizeof(logBuf), "recv sync-pre-snapshot from %s:%d {term:%" PRIu64 "}, %s", host, port, pMsg->term,
|
|
s);
|
|
syncNodeEventLog(pSyncNode, logBuf);
|
|
}
|
|
|
|
void syncLogSendSyncPreSnapshotReply(SSyncNode* pSyncNode, const SyncPreSnapshotReply* pMsg, const char* s) {
|
|
char host[64];
|
|
uint16_t port;
|
|
syncUtilU642Addr(pMsg->destId.addr, host, sizeof(host), &port);
|
|
char logBuf[256];
|
|
snprintf(logBuf, sizeof(logBuf),
|
|
"send sync-pre-snapshot-reply to %s:%d {term:%" PRIu64 ", snap-start:%" PRId64 "}, %s", host, port,
|
|
pMsg->term, pMsg->snapStart, s);
|
|
syncNodeEventLog(pSyncNode, logBuf);
|
|
}
|
|
|
|
void syncLogRecvSyncPreSnapshotReply(SSyncNode* pSyncNode, const SyncPreSnapshotReply* pMsg, const char* s) {
|
|
char host[64];
|
|
uint16_t port;
|
|
syncUtilU642Addr(pMsg->srcId.addr, host, sizeof(host), &port);
|
|
char logBuf[256];
|
|
snprintf(logBuf, sizeof(logBuf),
|
|
"recv sync-pre-snapshot-reply from %s:%d {term:%" PRIu64 ", snap-start:%" PRId64 "}, %s", host, port,
|
|
pMsg->term, pMsg->snapStart, s);
|
|
syncNodeEventLog(pSyncNode, logBuf);
|
|
}
|
|
|
|
void syncLogSendSyncSnapshotSend(SSyncNode* pSyncNode, const SyncSnapshotSend* pMsg, const char* s) {}
|
|
|
|
void syncLogRecvSyncSnapshotSend(SSyncNode* pSyncNode, const SyncSnapshotSend* pMsg, const char* s) {}
|
|
|
|
void syncLogSendSyncSnapshotRsp(SSyncNode* pSyncNode, const SyncSnapshotRsp* pMsg, const char* s) {}
|
|
|
|
void syncLogRecvSyncSnapshotRsp(SSyncNode* pSyncNode, const SyncSnapshotRsp* pMsg, const char* s) {}
|