1090 lines
39 KiB
C
1090 lines
39 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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#include "syncAppendEntries.h"
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#include "syncInt.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 "syncSnapshot.h"
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#include "syncUtil.h"
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#include "syncVoteMgr.h"
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#include "wal.h"
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// TLA+ Spec
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// HandleAppendEntriesRequest(i, j, m) ==
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// LET logOk == \/ m.mprevLogIndex = 0
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// \/ /\ m.mprevLogIndex > 0
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// /\ m.mprevLogIndex <= Len(log[i])
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// /\ m.mprevLogTerm = log[i][m.mprevLogIndex].term
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// IN /\ m.mterm <= currentTerm[i]
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// /\ \/ /\ \* reject request
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// \/ m.mterm < currentTerm[i]
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// \/ /\ m.mterm = currentTerm[i]
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// /\ state[i] = Follower
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// /\ \lnot logOk
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// /\ Reply([mtype |-> AppendEntriesResponse,
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// mterm |-> currentTerm[i],
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// msuccess |-> FALSE,
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// mmatchIndex |-> 0,
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// msource |-> i,
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// mdest |-> j],
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// m)
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// /\ UNCHANGED <<serverVars, logVars>>
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// \/ \* return to follower state
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// /\ m.mterm = currentTerm[i]
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// /\ state[i] = Candidate
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// /\ state' = [state EXCEPT ![i] = Follower]
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// /\ UNCHANGED <<currentTerm, votedFor, logVars, messages>>
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// \/ \* accept request
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// /\ m.mterm = currentTerm[i]
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// /\ state[i] = Follower
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// /\ logOk
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// /\ LET index == m.mprevLogIndex + 1
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// IN \/ \* already done with request
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// /\ \/ m.mentries = << >>
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// \/ /\ m.mentries /= << >>
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// /\ Len(log[i]) >= index
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// /\ log[i][index].term = m.mentries[1].term
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// \* This could make our commitIndex decrease (for
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// \* example if we process an old, duplicated request),
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// \* but that doesn't really affect anything.
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// /\ commitIndex' = [commitIndex EXCEPT ![i] =
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// m.mcommitIndex]
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// /\ Reply([mtype |-> AppendEntriesResponse,
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// mterm |-> currentTerm[i],
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// msuccess |-> TRUE,
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// mmatchIndex |-> m.mprevLogIndex +
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// Len(m.mentries),
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// msource |-> i,
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// mdest |-> j],
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// m)
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// /\ UNCHANGED <<serverVars, log>>
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// \/ \* conflict: remove 1 entry
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// /\ m.mentries /= << >>
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// /\ Len(log[i]) >= index
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// /\ log[i][index].term /= m.mentries[1].term
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// /\ LET new == [index2 \in 1..(Len(log[i]) - 1) |->
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// log[i][index2]]
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// IN log' = [log EXCEPT ![i] = new]
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// /\ UNCHANGED <<serverVars, commitIndex, messages>>
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// \/ \* no conflict: append entry
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// /\ m.mentries /= << >>
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// /\ Len(log[i]) = m.mprevLogIndex
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// /\ log' = [log EXCEPT ![i] =
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// Append(log[i], m.mentries[1])]
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// /\ UNCHANGED <<serverVars, commitIndex, messages>>
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// /\ UNCHANGED <<candidateVars, leaderVars>>
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//
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int32_t syncNodeOnAppendEntriesCb(SSyncNode* ths, SyncAppendEntries* pMsg) {
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int32_t ret = 0;
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char logBuf[128] = {0};
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snprintf(logBuf, sizeof(logBuf), "==syncNodeOnAppendEntriesCb== term:%lu", ths->pRaftStore->currentTerm);
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syncAppendEntriesLog2(logBuf, pMsg);
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if (pMsg->term > ths->pRaftStore->currentTerm) {
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syncNodeUpdateTerm(ths, pMsg->term);
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}
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assert(pMsg->term <= ths->pRaftStore->currentTerm);
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// reset elect timer
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if (pMsg->term == ths->pRaftStore->currentTerm) {
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ths->leaderCache = pMsg->srcId;
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syncNodeResetElectTimer(ths);
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}
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assert(pMsg->dataLen >= 0);
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SyncTerm localPreLogTerm = 0;
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if (pMsg->prevLogIndex >= SYNC_INDEX_BEGIN && pMsg->prevLogIndex <= ths->pLogStore->getLastIndex(ths->pLogStore)) {
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SSyncRaftEntry* pEntry = ths->pLogStore->getEntry(ths->pLogStore, pMsg->prevLogIndex);
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assert(pEntry != NULL);
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localPreLogTerm = pEntry->term;
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syncEntryDestory(pEntry);
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}
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bool logOK =
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(pMsg->prevLogIndex == SYNC_INDEX_INVALID) ||
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((pMsg->prevLogIndex >= SYNC_INDEX_BEGIN) &&
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(pMsg->prevLogIndex <= ths->pLogStore->getLastIndex(ths->pLogStore)) && (pMsg->prevLogTerm == localPreLogTerm));
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// reject request
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if ((pMsg->term < ths->pRaftStore->currentTerm) ||
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((pMsg->term == ths->pRaftStore->currentTerm) && (ths->state == TAOS_SYNC_STATE_FOLLOWER) && !logOK)) {
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sTrace(
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"syncNodeOnAppendEntriesCb --> reject, pMsg->term:%lu, ths->pRaftStore->currentTerm:%lu, ths->state:%d, "
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"logOK:%d",
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pMsg->term, ths->pRaftStore->currentTerm, ths->state, logOK);
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SyncAppendEntriesReply* pReply = syncAppendEntriesReplyBuild(ths->vgId);
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pReply->srcId = ths->myRaftId;
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pReply->destId = pMsg->srcId;
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pReply->term = ths->pRaftStore->currentTerm;
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pReply->success = false;
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pReply->matchIndex = SYNC_INDEX_INVALID;
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SRpcMsg rpcMsg;
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syncAppendEntriesReply2RpcMsg(pReply, &rpcMsg);
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syncNodeSendMsgById(&pReply->destId, ths, &rpcMsg);
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syncAppendEntriesReplyDestroy(pReply);
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return ret;
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}
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// return to follower state
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if (pMsg->term == ths->pRaftStore->currentTerm && ths->state == TAOS_SYNC_STATE_CANDIDATE) {
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sTrace(
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"syncNodeOnAppendEntriesCb --> return to follower, pMsg->term:%lu, ths->pRaftStore->currentTerm:%lu, "
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"ths->state:%d, logOK:%d",
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pMsg->term, ths->pRaftStore->currentTerm, ths->state, logOK);
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syncNodeBecomeFollower(ths, "from candidate by append entries");
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// ret or reply?
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return ret;
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}
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// accept request
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if (pMsg->term == ths->pRaftStore->currentTerm && ths->state == TAOS_SYNC_STATE_FOLLOWER && logOK) {
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// preIndex = -1, or has preIndex entry in local log
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assert(pMsg->prevLogIndex <= ths->pLogStore->getLastIndex(ths->pLogStore));
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// has extra entries (> preIndex) in local log
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bool hasExtraEntries = pMsg->prevLogIndex < ths->pLogStore->getLastIndex(ths->pLogStore);
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// has entries in SyncAppendEntries msg
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bool hasAppendEntries = pMsg->dataLen > 0;
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sTrace(
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"syncNodeOnAppendEntriesCb --> accept, pMsg->term:%lu, ths->pRaftStore->currentTerm:%lu, ths->state:%d, "
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"logOK:%d, hasExtraEntries:%d, hasAppendEntries:%d",
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pMsg->term, ths->pRaftStore->currentTerm, ths->state, logOK, hasExtraEntries, hasAppendEntries);
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if (hasExtraEntries && hasAppendEntries) {
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// not conflict by default
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bool conflict = false;
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SyncIndex extraIndex = pMsg->prevLogIndex + 1;
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SSyncRaftEntry* pExtraEntry = ths->pLogStore->getEntry(ths->pLogStore, extraIndex);
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assert(pExtraEntry != NULL);
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SSyncRaftEntry* pAppendEntry = syncEntryDeserialize(pMsg->data, pMsg->dataLen);
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assert(pAppendEntry != NULL);
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// log not match, conflict
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assert(extraIndex == pAppendEntry->index);
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if (pExtraEntry->term != pAppendEntry->term) {
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conflict = true;
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}
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if (conflict) {
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// roll back
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SyncIndex delBegin = ths->pLogStore->getLastIndex(ths->pLogStore);
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SyncIndex delEnd = extraIndex;
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sTrace("syncNodeOnAppendEntriesCb --> conflict:%d, delBegin:%ld, delEnd:%ld", conflict, delBegin, delEnd);
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// notice! reverse roll back!
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for (SyncIndex index = delEnd; index >= delBegin; --index) {
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if (ths->pFsm->FpRollBackCb != NULL) {
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SSyncRaftEntry* pRollBackEntry = ths->pLogStore->getEntry(ths->pLogStore, index);
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assert(pRollBackEntry != NULL);
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// if (pRollBackEntry->msgType != TDMT_SYNC_NOOP) {
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if (syncUtilUserRollback(pRollBackEntry->msgType)) {
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SRpcMsg rpcMsg;
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syncEntry2OriginalRpc(pRollBackEntry, &rpcMsg);
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SFsmCbMeta cbMeta;
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cbMeta.index = pRollBackEntry->index;
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cbMeta.isWeak = pRollBackEntry->isWeak;
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cbMeta.code = 0;
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cbMeta.state = ths->state;
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cbMeta.seqNum = pRollBackEntry->seqNum;
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ths->pFsm->FpRollBackCb(ths->pFsm, &rpcMsg, cbMeta);
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rpcFreeCont(rpcMsg.pCont);
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}
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syncEntryDestory(pRollBackEntry);
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}
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}
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// delete confict entries
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ths->pLogStore->truncate(ths->pLogStore, extraIndex);
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// append new entries
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ths->pLogStore->appendEntry(ths->pLogStore, pAppendEntry);
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// pre commit
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SRpcMsg rpcMsg;
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syncEntry2OriginalRpc(pAppendEntry, &rpcMsg);
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if (ths->pFsm != NULL) {
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// if (ths->pFsm->FpPreCommitCb != NULL && pAppendEntry->originalRpcType != TDMT_SYNC_NOOP) {
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if (ths->pFsm->FpPreCommitCb != NULL && syncUtilUserPreCommit(pAppendEntry->originalRpcType)) {
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SFsmCbMeta cbMeta;
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cbMeta.index = pAppendEntry->index;
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cbMeta.isWeak = pAppendEntry->isWeak;
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cbMeta.code = 2;
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cbMeta.state = ths->state;
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cbMeta.seqNum = pAppendEntry->seqNum;
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ths->pFsm->FpPreCommitCb(ths->pFsm, &rpcMsg, cbMeta);
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}
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}
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rpcFreeCont(rpcMsg.pCont);
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}
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// free memory
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syncEntryDestory(pExtraEntry);
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syncEntryDestory(pAppendEntry);
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} else if (hasExtraEntries && !hasAppendEntries) {
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// do nothing
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} else if (!hasExtraEntries && hasAppendEntries) {
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SSyncRaftEntry* pAppendEntry = syncEntryDeserialize(pMsg->data, pMsg->dataLen);
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assert(pAppendEntry != NULL);
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// append new entries
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ths->pLogStore->appendEntry(ths->pLogStore, pAppendEntry);
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// pre commit
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SRpcMsg rpcMsg;
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syncEntry2OriginalRpc(pAppendEntry, &rpcMsg);
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if (ths->pFsm != NULL) {
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// if (ths->pFsm->FpPreCommitCb != NULL && pAppendEntry->originalRpcType != TDMT_SYNC_NOOP) {
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if (ths->pFsm->FpPreCommitCb != NULL && syncUtilUserPreCommit(pAppendEntry->originalRpcType)) {
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SFsmCbMeta cbMeta;
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cbMeta.index = pAppendEntry->index;
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cbMeta.isWeak = pAppendEntry->isWeak;
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cbMeta.code = 3;
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cbMeta.state = ths->state;
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cbMeta.seqNum = pAppendEntry->seqNum;
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ths->pFsm->FpPreCommitCb(ths->pFsm, &rpcMsg, cbMeta);
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}
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}
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rpcFreeCont(rpcMsg.pCont);
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// free memory
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syncEntryDestory(pAppendEntry);
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} else if (!hasExtraEntries && !hasAppendEntries) {
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// do nothing
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} else {
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assert(0);
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}
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SyncAppendEntriesReply* pReply = syncAppendEntriesReplyBuild(ths->vgId);
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pReply->srcId = ths->myRaftId;
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pReply->destId = pMsg->srcId;
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pReply->term = ths->pRaftStore->currentTerm;
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pReply->success = true;
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if (hasAppendEntries) {
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pReply->matchIndex = pMsg->prevLogIndex + 1;
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} else {
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pReply->matchIndex = pMsg->prevLogIndex;
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}
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SRpcMsg rpcMsg;
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syncAppendEntriesReply2RpcMsg(pReply, &rpcMsg);
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syncNodeSendMsgById(&pReply->destId, ths, &rpcMsg);
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syncAppendEntriesReplyDestroy(pReply);
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// maybe update commit index from leader
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if (pMsg->commitIndex > ths->commitIndex) {
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// has commit entry in local
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if (pMsg->commitIndex <= ths->pLogStore->getLastIndex(ths->pLogStore)) {
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SyncIndex beginIndex = ths->commitIndex + 1;
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SyncIndex endIndex = pMsg->commitIndex;
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// update commit index
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ths->commitIndex = pMsg->commitIndex;
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// call back Wal
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ths->pLogStore->updateCommitIndex(ths->pLogStore, ths->commitIndex);
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int32_t code = syncNodeCommit(ths, beginIndex, endIndex, ths->state);
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ASSERT(code == 0);
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}
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}
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}
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return ret;
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}
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#if 0
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int32_t syncNodeOnAppendEntriesCb(SSyncNode* ths, SyncAppendEntries* pMsg) {
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int32_t ret = 0;
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char logBuf[128] = {0};
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snprintf(logBuf, sizeof(logBuf), "==syncNodeOnAppendEntriesCb== term:%lu", ths->pRaftStore->currentTerm);
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syncAppendEntriesLog2(logBuf, pMsg);
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if (pMsg->term > ths->pRaftStore->currentTerm) {
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syncNodeUpdateTerm(ths, pMsg->term);
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}
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assert(pMsg->term <= ths->pRaftStore->currentTerm);
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// reset elect timer
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if (pMsg->term == ths->pRaftStore->currentTerm) {
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ths->leaderCache = pMsg->srcId;
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syncNodeResetElectTimer(ths);
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}
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assert(pMsg->dataLen >= 0);
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SyncTerm localPreLogTerm = 0;
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if (pMsg->prevLogIndex >= SYNC_INDEX_BEGIN && pMsg->prevLogIndex <= ths->pLogStore->getLastIndex(ths->pLogStore)) {
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SSyncRaftEntry* pEntry = ths->pLogStore->getEntry(ths->pLogStore, pMsg->prevLogIndex);
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assert(pEntry != NULL);
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localPreLogTerm = pEntry->term;
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syncEntryDestory(pEntry);
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}
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bool logOK =
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(pMsg->prevLogIndex == SYNC_INDEX_INVALID) ||
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((pMsg->prevLogIndex >= SYNC_INDEX_BEGIN) &&
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(pMsg->prevLogIndex <= ths->pLogStore->getLastIndex(ths->pLogStore)) && (pMsg->prevLogTerm == localPreLogTerm));
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// reject request
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if ((pMsg->term < ths->pRaftStore->currentTerm) ||
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((pMsg->term == ths->pRaftStore->currentTerm) && (ths->state == TAOS_SYNC_STATE_FOLLOWER) && !logOK)) {
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sTrace(
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"syncNodeOnAppendEntriesCb --> reject, pMsg->term:%lu, ths->pRaftStore->currentTerm:%lu, ths->state:%d, "
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"logOK:%d",
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pMsg->term, ths->pRaftStore->currentTerm, ths->state, logOK);
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SyncAppendEntriesReply* pReply = syncAppendEntriesReplyBuild(ths->vgId);
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pReply->srcId = ths->myRaftId;
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pReply->destId = pMsg->srcId;
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pReply->term = ths->pRaftStore->currentTerm;
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pReply->success = false;
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pReply->matchIndex = SYNC_INDEX_INVALID;
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SRpcMsg rpcMsg;
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syncAppendEntriesReply2RpcMsg(pReply, &rpcMsg);
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syncNodeSendMsgById(&pReply->destId, ths, &rpcMsg);
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syncAppendEntriesReplyDestroy(pReply);
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return ret;
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}
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// return to follower state
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if (pMsg->term == ths->pRaftStore->currentTerm && ths->state == TAOS_SYNC_STATE_CANDIDATE) {
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sTrace(
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"syncNodeOnAppendEntriesCb --> return to follower, pMsg->term:%lu, ths->pRaftStore->currentTerm:%lu, "
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"ths->state:%d, logOK:%d",
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pMsg->term, ths->pRaftStore->currentTerm, ths->state, logOK);
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syncNodeBecomeFollower(ths, "from candidate by append entries");
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// ret or reply?
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return ret;
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}
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// accept request
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if (pMsg->term == ths->pRaftStore->currentTerm && ths->state == TAOS_SYNC_STATE_FOLLOWER && logOK) {
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// preIndex = -1, or has preIndex entry in local log
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assert(pMsg->prevLogIndex <= ths->pLogStore->getLastIndex(ths->pLogStore));
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// has extra entries (> preIndex) in local log
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bool hasExtraEntries = pMsg->prevLogIndex < ths->pLogStore->getLastIndex(ths->pLogStore);
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// has entries in SyncAppendEntries msg
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bool hasAppendEntries = pMsg->dataLen > 0;
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sTrace(
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"syncNodeOnAppendEntriesCb --> accept, pMsg->term:%lu, ths->pRaftStore->currentTerm:%lu, ths->state:%d, "
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"logOK:%d, hasExtraEntries:%d, hasAppendEntries:%d",
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pMsg->term, ths->pRaftStore->currentTerm, ths->state, logOK, hasExtraEntries, hasAppendEntries);
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if (hasExtraEntries && hasAppendEntries) {
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// not conflict by default
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bool conflict = false;
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SyncIndex extraIndex = pMsg->prevLogIndex + 1;
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SSyncRaftEntry* pExtraEntry = ths->pLogStore->getEntry(ths->pLogStore, extraIndex);
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assert(pExtraEntry != NULL);
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SSyncRaftEntry* pAppendEntry = syncEntryDeserialize(pMsg->data, pMsg->dataLen);
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assert(pAppendEntry != NULL);
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// log not match, conflict
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assert(extraIndex == pAppendEntry->index);
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if (pExtraEntry->term != pAppendEntry->term) {
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conflict = true;
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}
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if (conflict) {
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// roll back
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SyncIndex delBegin = ths->pLogStore->getLastIndex(ths->pLogStore);
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SyncIndex delEnd = extraIndex;
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sTrace("syncNodeOnAppendEntriesCb --> conflict:%d, delBegin:%ld, delEnd:%ld", conflict, delBegin, delEnd);
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// notice! reverse roll back!
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for (SyncIndex index = delEnd; index >= delBegin; --index) {
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if (ths->pFsm->FpRollBackCb != NULL) {
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SSyncRaftEntry* pRollBackEntry = ths->pLogStore->getEntry(ths->pLogStore, index);
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assert(pRollBackEntry != NULL);
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// if (pRollBackEntry->msgType != TDMT_SYNC_NOOP) {
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if (syncUtilUserRollback(pRollBackEntry->msgType)) {
|
|
SRpcMsg rpcMsg;
|
|
syncEntry2OriginalRpc(pRollBackEntry, &rpcMsg);
|
|
|
|
SFsmCbMeta cbMeta;
|
|
cbMeta.index = pRollBackEntry->index;
|
|
cbMeta.isWeak = pRollBackEntry->isWeak;
|
|
cbMeta.code = 0;
|
|
cbMeta.state = ths->state;
|
|
cbMeta.seqNum = pRollBackEntry->seqNum;
|
|
ths->pFsm->FpRollBackCb(ths->pFsm, &rpcMsg, cbMeta);
|
|
rpcFreeCont(rpcMsg.pCont);
|
|
}
|
|
|
|
syncEntryDestory(pRollBackEntry);
|
|
}
|
|
}
|
|
|
|
// delete confict entries
|
|
ths->pLogStore->truncate(ths->pLogStore, extraIndex);
|
|
|
|
// append new entries
|
|
ths->pLogStore->appendEntry(ths->pLogStore, pAppendEntry);
|
|
|
|
// pre commit
|
|
SRpcMsg rpcMsg;
|
|
syncEntry2OriginalRpc(pAppendEntry, &rpcMsg);
|
|
if (ths->pFsm != NULL) {
|
|
// if (ths->pFsm->FpPreCommitCb != NULL && pAppendEntry->originalRpcType != TDMT_SYNC_NOOP) {
|
|
if (ths->pFsm->FpPreCommitCb != NULL && syncUtilUserPreCommit(pAppendEntry->originalRpcType)) {
|
|
SFsmCbMeta cbMeta;
|
|
cbMeta.index = pAppendEntry->index;
|
|
cbMeta.isWeak = pAppendEntry->isWeak;
|
|
cbMeta.code = 2;
|
|
cbMeta.state = ths->state;
|
|
cbMeta.seqNum = pAppendEntry->seqNum;
|
|
ths->pFsm->FpPreCommitCb(ths->pFsm, &rpcMsg, cbMeta);
|
|
}
|
|
}
|
|
rpcFreeCont(rpcMsg.pCont);
|
|
}
|
|
|
|
// free memory
|
|
syncEntryDestory(pExtraEntry);
|
|
syncEntryDestory(pAppendEntry);
|
|
|
|
} else if (hasExtraEntries && !hasAppendEntries) {
|
|
// do nothing
|
|
|
|
} else if (!hasExtraEntries && hasAppendEntries) {
|
|
SSyncRaftEntry* pAppendEntry = syncEntryDeserialize(pMsg->data, pMsg->dataLen);
|
|
assert(pAppendEntry != NULL);
|
|
|
|
// append new entries
|
|
ths->pLogStore->appendEntry(ths->pLogStore, pAppendEntry);
|
|
|
|
// pre commit
|
|
SRpcMsg rpcMsg;
|
|
syncEntry2OriginalRpc(pAppendEntry, &rpcMsg);
|
|
if (ths->pFsm != NULL) {
|
|
// if (ths->pFsm->FpPreCommitCb != NULL && pAppendEntry->originalRpcType != TDMT_SYNC_NOOP) {
|
|
if (ths->pFsm->FpPreCommitCb != NULL && syncUtilUserPreCommit(pAppendEntry->originalRpcType)) {
|
|
SFsmCbMeta cbMeta;
|
|
cbMeta.index = pAppendEntry->index;
|
|
cbMeta.isWeak = pAppendEntry->isWeak;
|
|
cbMeta.code = 3;
|
|
cbMeta.state = ths->state;
|
|
cbMeta.seqNum = pAppendEntry->seqNum;
|
|
ths->pFsm->FpPreCommitCb(ths->pFsm, &rpcMsg, cbMeta);
|
|
}
|
|
}
|
|
rpcFreeCont(rpcMsg.pCont);
|
|
|
|
// free memory
|
|
syncEntryDestory(pAppendEntry);
|
|
|
|
} else if (!hasExtraEntries && !hasAppendEntries) {
|
|
// do nothing
|
|
|
|
} else {
|
|
assert(0);
|
|
}
|
|
|
|
SyncAppendEntriesReply* pReply = syncAppendEntriesReplyBuild(ths->vgId);
|
|
pReply->srcId = ths->myRaftId;
|
|
pReply->destId = pMsg->srcId;
|
|
pReply->term = ths->pRaftStore->currentTerm;
|
|
pReply->success = true;
|
|
|
|
if (hasAppendEntries) {
|
|
pReply->matchIndex = pMsg->prevLogIndex + 1;
|
|
} else {
|
|
pReply->matchIndex = pMsg->prevLogIndex;
|
|
}
|
|
|
|
SRpcMsg rpcMsg;
|
|
syncAppendEntriesReply2RpcMsg(pReply, &rpcMsg);
|
|
syncNodeSendMsgById(&pReply->destId, ths, &rpcMsg);
|
|
syncAppendEntriesReplyDestroy(pReply);
|
|
|
|
// maybe update commit index from leader
|
|
if (pMsg->commitIndex > ths->commitIndex) {
|
|
// has commit entry in local
|
|
if (pMsg->commitIndex <= ths->pLogStore->getLastIndex(ths->pLogStore)) {
|
|
SyncIndex beginIndex = ths->commitIndex + 1;
|
|
SyncIndex endIndex = pMsg->commitIndex;
|
|
|
|
// update commit index
|
|
ths->commitIndex = pMsg->commitIndex;
|
|
|
|
// call back Wal
|
|
ths->pLogStore->updateCommitIndex(ths->pLogStore, ths->commitIndex);
|
|
|
|
// execute fsm
|
|
if (ths->pFsm != NULL) {
|
|
for (SyncIndex i = beginIndex; i <= endIndex; ++i) {
|
|
if (i != SYNC_INDEX_INVALID) {
|
|
SSyncRaftEntry* pEntry = ths->pLogStore->getEntry(ths->pLogStore, i);
|
|
assert(pEntry != NULL);
|
|
|
|
SRpcMsg rpcMsg;
|
|
syncEntry2OriginalRpc(pEntry, &rpcMsg);
|
|
|
|
if (ths->pFsm->FpCommitCb != NULL && syncUtilUserCommit(pEntry->originalRpcType)) {
|
|
SFsmCbMeta cbMeta;
|
|
cbMeta.index = pEntry->index;
|
|
cbMeta.isWeak = pEntry->isWeak;
|
|
cbMeta.code = 0;
|
|
cbMeta.state = ths->state;
|
|
cbMeta.seqNum = pEntry->seqNum;
|
|
cbMeta.term = pEntry->term;
|
|
cbMeta.currentTerm = ths->pRaftStore->currentTerm;
|
|
cbMeta.flag = 0x11;
|
|
|
|
SSnapshot snapshot;
|
|
ASSERT(ths->pFsm->FpGetSnapshot != NULL);
|
|
ths->pFsm->FpGetSnapshot(ths->pFsm, &snapshot);
|
|
|
|
bool needExecute = true;
|
|
if (cbMeta.index <= snapshot.lastApplyIndex) {
|
|
needExecute = false;
|
|
}
|
|
|
|
if (needExecute) {
|
|
ths->pFsm->FpCommitCb(ths->pFsm, &rpcMsg, cbMeta);
|
|
}
|
|
}
|
|
|
|
// config change
|
|
if (pEntry->originalRpcType == TDMT_SYNC_CONFIG_CHANGE) {
|
|
SSyncCfg oldSyncCfg = ths->pRaftCfg->cfg;
|
|
|
|
SSyncCfg newSyncCfg;
|
|
int32_t ret = syncCfgFromStr(rpcMsg.pCont, &newSyncCfg);
|
|
ASSERT(ret == 0);
|
|
|
|
// update new config myIndex
|
|
bool hit = false;
|
|
for (int i = 0; i < newSyncCfg.replicaNum; ++i) {
|
|
if (strcmp(ths->myNodeInfo.nodeFqdn, (newSyncCfg.nodeInfo)[i].nodeFqdn) == 0 &&
|
|
ths->myNodeInfo.nodePort == (newSyncCfg.nodeInfo)[i].nodePort) {
|
|
newSyncCfg.myIndex = i;
|
|
hit = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
SReConfigCbMeta cbMeta = {0};
|
|
bool isDrop;
|
|
|
|
// I am in newConfig
|
|
if (hit) {
|
|
syncNodeUpdateConfig(ths, &newSyncCfg, pEntry->index, &isDrop);
|
|
|
|
// change isStandBy to normal
|
|
if (!isDrop) {
|
|
if (ths->state == TAOS_SYNC_STATE_LEADER) {
|
|
syncNodeBecomeLeader(ths, "config change");
|
|
} else {
|
|
syncNodeBecomeFollower(ths, "config change");
|
|
}
|
|
}
|
|
|
|
if (gRaftDetailLog) {
|
|
char* sOld = syncCfg2Str(&oldSyncCfg);
|
|
char* sNew = syncCfg2Str(&newSyncCfg);
|
|
sInfo("==config change== 0x11 old:%s new:%s isDrop:%d \n", sOld, sNew, isDrop);
|
|
taosMemoryFree(sOld);
|
|
taosMemoryFree(sNew);
|
|
}
|
|
}
|
|
|
|
// always call FpReConfigCb
|
|
if (ths->pFsm->FpReConfigCb != NULL) {
|
|
cbMeta.code = 0;
|
|
cbMeta.currentTerm = ths->pRaftStore->currentTerm;
|
|
cbMeta.index = pEntry->index;
|
|
cbMeta.term = pEntry->term;
|
|
cbMeta.newCfg = newSyncCfg;
|
|
cbMeta.oldCfg = oldSyncCfg;
|
|
cbMeta.seqNum = pEntry->seqNum;
|
|
cbMeta.flag = 0x11;
|
|
cbMeta.isDrop = isDrop;
|
|
ths->pFsm->FpReConfigCb(ths->pFsm, &rpcMsg, cbMeta);
|
|
}
|
|
}
|
|
|
|
// restore finish
|
|
if (pEntry->index == ths->pLogStore->getLastIndex(ths->pLogStore)) {
|
|
if (ths->restoreFinish == false) {
|
|
if (ths->pFsm->FpRestoreFinishCb != NULL) {
|
|
ths->pFsm->FpRestoreFinishCb(ths->pFsm);
|
|
}
|
|
ths->restoreFinish = true;
|
|
sInfo("==syncNodeOnAppendEntriesCb== restoreFinish set true %p vgId:%d", ths, ths->vgId);
|
|
|
|
/*
|
|
tsem_post(&ths->restoreSem);
|
|
sInfo("==syncNodeOnAppendEntriesCb== RestoreFinish tsem_post %p", ths);
|
|
*/
|
|
}
|
|
}
|
|
|
|
rpcFreeCont(rpcMsg.pCont);
|
|
syncEntryDestory(pEntry);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
static int32_t syncNodeMakeLogSame(SSyncNode* ths, SyncAppendEntries* pMsg) {
|
|
int32_t code;
|
|
|
|
SyncIndex delBegin = pMsg->prevLogIndex + 1;
|
|
SyncIndex delEnd = ths->pLogStore->syncLogLastIndex(ths->pLogStore);
|
|
|
|
// invert roll back!
|
|
for (SyncIndex index = delEnd; index >= delBegin; --index) {
|
|
if (ths->pFsm->FpRollBackCb != NULL) {
|
|
SSyncRaftEntry* pRollBackEntry;
|
|
code = ths->pLogStore->syncLogGetEntry(ths->pLogStore, index, &pRollBackEntry);
|
|
ASSERT(code == 0);
|
|
ASSERT(pRollBackEntry != NULL);
|
|
|
|
if (syncUtilUserRollback(pRollBackEntry->msgType)) {
|
|
SRpcMsg rpcMsg;
|
|
syncEntry2OriginalRpc(pRollBackEntry, &rpcMsg);
|
|
|
|
SFsmCbMeta cbMeta;
|
|
cbMeta.index = pRollBackEntry->index;
|
|
cbMeta.isWeak = pRollBackEntry->isWeak;
|
|
cbMeta.code = 0;
|
|
cbMeta.state = ths->state;
|
|
cbMeta.seqNum = pRollBackEntry->seqNum;
|
|
ths->pFsm->FpRollBackCb(ths->pFsm, &rpcMsg, cbMeta);
|
|
rpcFreeCont(rpcMsg.pCont);
|
|
}
|
|
|
|
syncEntryDestory(pRollBackEntry);
|
|
}
|
|
}
|
|
|
|
// delete confict entries
|
|
code = ths->pLogStore->syncLogTruncate(ths->pLogStore, delBegin);
|
|
ASSERT(code == 0);
|
|
sDebug("vgId:%d sync event %s commitIndex:%ld currentTerm:%lu log truncate, from %ld to %ld", ths->vgId,
|
|
syncUtilState2String(ths->state), ths->commitIndex, ths->pRaftStore->currentTerm, delBegin, delEnd);
|
|
logStoreSimpleLog2("after syncNodeMakeLogSame", ths->pLogStore);
|
|
|
|
return code;
|
|
}
|
|
|
|
static int32_t syncNodePreCommit(SSyncNode* ths, SSyncRaftEntry* pEntry) {
|
|
SRpcMsg rpcMsg;
|
|
syncEntry2OriginalRpc(pEntry, &rpcMsg);
|
|
if (ths->pFsm != NULL) {
|
|
if (ths->pFsm->FpPreCommitCb != NULL && syncUtilUserPreCommit(pEntry->originalRpcType)) {
|
|
SFsmCbMeta cbMeta;
|
|
cbMeta.index = pEntry->index;
|
|
cbMeta.isWeak = pEntry->isWeak;
|
|
cbMeta.code = 2;
|
|
cbMeta.state = ths->state;
|
|
cbMeta.seqNum = pEntry->seqNum;
|
|
ths->pFsm->FpPreCommitCb(ths->pFsm, &rpcMsg, cbMeta);
|
|
}
|
|
}
|
|
rpcFreeCont(rpcMsg.pCont);
|
|
return 0;
|
|
}
|
|
|
|
// really pre log match
|
|
// prevLogIndex == -1
|
|
static bool syncNodeOnAppendEntriesLogOK(SSyncNode* pSyncNode, SyncAppendEntries* pMsg) {
|
|
if (pMsg->prevLogIndex == SYNC_INDEX_INVALID) {
|
|
if (gRaftDetailLog) {
|
|
sTrace("syncNodeOnAppendEntriesLogOK true, pMsg->prevLogIndex:%ld", pMsg->prevLogIndex);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
SyncIndex myLastIndex = syncNodeGetLastIndex(pSyncNode);
|
|
if (pMsg->prevLogIndex > myLastIndex) {
|
|
if (gRaftDetailLog) {
|
|
sTrace("syncNodeOnAppendEntriesLogOK false, pMsg->prevLogIndex:%ld, myLastIndex:%ld", pMsg->prevLogIndex,
|
|
myLastIndex);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
SyncTerm myPreLogTerm = syncNodeGetPreTerm(pSyncNode, pMsg->prevLogIndex + 1);
|
|
if (pMsg->prevLogIndex <= myLastIndex && pMsg->prevLogTerm == myPreLogTerm) {
|
|
if (gRaftDetailLog) {
|
|
sTrace(
|
|
"syncNodeOnAppendEntriesLogOK true, pMsg->prevLogIndex:%ld, myLastIndex:%ld, pMsg->prevLogTerm:%lu, "
|
|
"myPreLogTerm:%lu",
|
|
pMsg->prevLogIndex, myLastIndex, pMsg->prevLogTerm, myPreLogTerm);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
if (gRaftDetailLog) {
|
|
sTrace(
|
|
"syncNodeOnAppendEntriesLogOK false, pMsg->prevLogIndex:%ld, myLastIndex:%ld, pMsg->prevLogTerm:%lu, "
|
|
"myPreLogTerm:%lu",
|
|
pMsg->prevLogIndex, myLastIndex, pMsg->prevLogTerm, myPreLogTerm);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
int32_t syncNodeOnAppendEntriesSnapshotCb(SSyncNode* ths, SyncAppendEntries* pMsg) {
|
|
int32_t ret = 0;
|
|
int32_t code = 0;
|
|
|
|
// print log
|
|
char logBuf[128] = {0};
|
|
snprintf(logBuf, sizeof(logBuf), "recv SyncAppendEntries, vgId:%d, term:%lu", ths->vgId,
|
|
ths->pRaftStore->currentTerm);
|
|
syncAppendEntriesLog2(logBuf, pMsg);
|
|
|
|
// if already drop replica, do not process
|
|
if (!syncNodeInRaftGroup(ths, &(pMsg->srcId)) && !ths->pRaftCfg->isStandBy) {
|
|
sInfo("recv SyncAppendEntries maybe replica already dropped");
|
|
return ret;
|
|
}
|
|
|
|
// maybe update term
|
|
if (pMsg->term > ths->pRaftStore->currentTerm) {
|
|
syncNodeUpdateTerm(ths, pMsg->term);
|
|
}
|
|
ASSERT(pMsg->term <= ths->pRaftStore->currentTerm);
|
|
|
|
// reset elect timer
|
|
if (pMsg->term == ths->pRaftStore->currentTerm) {
|
|
ths->leaderCache = pMsg->srcId;
|
|
syncNodeResetElectTimer(ths);
|
|
}
|
|
ASSERT(pMsg->dataLen >= 0);
|
|
|
|
// candidate to follower
|
|
//
|
|
// operation:
|
|
// to follower
|
|
do {
|
|
bool condition = pMsg->term == ths->pRaftStore->currentTerm && ths->state == TAOS_SYNC_STATE_CANDIDATE;
|
|
if (condition) {
|
|
sTrace("recv SyncAppendEntries, candidate to follower");
|
|
|
|
syncNodeBecomeFollower(ths, "from candidate by append entries");
|
|
// do not reply?
|
|
return ret;
|
|
}
|
|
} while (0);
|
|
|
|
// fake match
|
|
//
|
|
// condition1:
|
|
// I have snapshot, no log, preIndex > myLastIndex
|
|
//
|
|
// condition2:
|
|
// I have snapshot, have log, log <= snapshot, preIndex > myLastIndex
|
|
//
|
|
// condition3:
|
|
// I have snapshot, preIndex < snapshot.lastApplyIndex
|
|
//
|
|
// condition4:
|
|
// I have snapshot, preIndex == snapshot.lastApplyIndex, no data
|
|
//
|
|
// operation:
|
|
// match snapshot.lastApplyIndex - 1;
|
|
// no operation on log
|
|
do {
|
|
SyncIndex myLastIndex = syncNodeGetLastIndex(ths);
|
|
SSnapshot snapshot;
|
|
ths->pFsm->FpGetSnapshot(ths->pFsm, &snapshot);
|
|
|
|
bool condition0 = (pMsg->term == ths->pRaftStore->currentTerm) && (ths->state == TAOS_SYNC_STATE_FOLLOWER) &&
|
|
syncNodeHasSnapshot(ths);
|
|
bool condition1 =
|
|
condition0 && (ths->pLogStore->syncLogEntryCount(ths->pLogStore) == 0) && (pMsg->prevLogIndex > myLastIndex);
|
|
bool condition2 = condition0 && (ths->pLogStore->syncLogLastIndex(ths->pLogStore) <= snapshot.lastApplyIndex) &&
|
|
(pMsg->prevLogIndex > myLastIndex);
|
|
bool condition3 = condition0 && (pMsg->prevLogIndex < snapshot.lastApplyIndex);
|
|
bool condition4 = condition0 && (pMsg->prevLogIndex == snapshot.lastApplyIndex) && (pMsg->dataLen == 0);
|
|
bool condition = condition1 || condition2 || condition3 || condition4;
|
|
|
|
if (condition) {
|
|
sTrace(
|
|
"recv SyncAppendEntries, fake match, myLastIndex:%ld, syncLogBeginIndex:%ld, syncLogEndIndex:%ld, "
|
|
"condition1:%d, condition2:%d, condition3:%d, condition4:%d",
|
|
myLastIndex, ths->pLogStore->syncLogBeginIndex(ths->pLogStore),
|
|
ths->pLogStore->syncLogEndIndex(ths->pLogStore), condition1, condition2, condition3, condition4);
|
|
|
|
// prepare response msg
|
|
SyncAppendEntriesReply* pReply = syncAppendEntriesReplyBuild(ths->vgId);
|
|
pReply->srcId = ths->myRaftId;
|
|
pReply->destId = pMsg->srcId;
|
|
pReply->term = ths->pRaftStore->currentTerm;
|
|
pReply->privateTerm = ths->pNewNodeReceiver->privateTerm;
|
|
pReply->success = true;
|
|
pReply->matchIndex = snapshot.lastApplyIndex;
|
|
|
|
// send response
|
|
SRpcMsg rpcMsg;
|
|
syncAppendEntriesReply2RpcMsg(pReply, &rpcMsg);
|
|
syncNodeSendMsgById(&pReply->destId, ths, &rpcMsg);
|
|
syncAppendEntriesReplyDestroy(pReply);
|
|
|
|
return ret;
|
|
}
|
|
} while (0);
|
|
|
|
// fake match2
|
|
//
|
|
// condition1:
|
|
// preIndex <= my commit index
|
|
//
|
|
// operation:
|
|
// if hasAppendEntries && pMsg->prevLogIndex == ths->commitIndex, append entry
|
|
// match my-commit-index or my-commit-index + 1
|
|
// no operation on log
|
|
do {
|
|
bool condition = (pMsg->term == ths->pRaftStore->currentTerm) && (ths->state == TAOS_SYNC_STATE_FOLLOWER) &&
|
|
(pMsg->prevLogIndex <= ths->commitIndex);
|
|
if (condition) {
|
|
sTrace("recv SyncAppendEntries, fake match2, msg-prevLogIndex:%ld, my-commitIndex:%ld", pMsg->prevLogIndex,
|
|
ths->commitIndex);
|
|
|
|
SyncIndex matchIndex = ths->commitIndex;
|
|
bool hasAppendEntries = pMsg->dataLen > 0;
|
|
if (hasAppendEntries && pMsg->prevLogIndex == ths->commitIndex) {
|
|
// append entry
|
|
SSyncRaftEntry* pAppendEntry = syncEntryDeserialize(pMsg->data, pMsg->dataLen);
|
|
ASSERT(pAppendEntry != NULL);
|
|
|
|
{
|
|
// has extra entries (> preIndex) in local log
|
|
SyncIndex logLastIndex = ths->pLogStore->syncLogLastIndex(ths->pLogStore);
|
|
bool hasExtraEntries = logLastIndex > pMsg->prevLogIndex;
|
|
|
|
if (hasExtraEntries) {
|
|
// make log same, rollback deleted entries
|
|
code = syncNodeMakeLogSame(ths, pMsg);
|
|
ASSERT(code == 0);
|
|
}
|
|
}
|
|
|
|
code = ths->pLogStore->syncLogAppendEntry(ths->pLogStore, pAppendEntry);
|
|
ASSERT(code == 0);
|
|
|
|
// pre commit
|
|
code = syncNodePreCommit(ths, pAppendEntry);
|
|
ASSERT(code == 0);
|
|
|
|
matchIndex = pMsg->prevLogIndex + 1;
|
|
|
|
syncEntryDestory(pAppendEntry);
|
|
}
|
|
|
|
// prepare response msg
|
|
SyncAppendEntriesReply* pReply = syncAppendEntriesReplyBuild(ths->vgId);
|
|
pReply->srcId = ths->myRaftId;
|
|
pReply->destId = pMsg->srcId;
|
|
pReply->term = ths->pRaftStore->currentTerm;
|
|
pReply->privateTerm = ths->pNewNodeReceiver->privateTerm;
|
|
pReply->success = true;
|
|
pReply->matchIndex = matchIndex;
|
|
|
|
// send response
|
|
SRpcMsg rpcMsg;
|
|
syncAppendEntriesReply2RpcMsg(pReply, &rpcMsg);
|
|
syncNodeSendMsgById(&pReply->destId, ths, &rpcMsg);
|
|
syncAppendEntriesReplyDestroy(pReply);
|
|
|
|
return ret;
|
|
}
|
|
} while (0);
|
|
|
|
// calculate logOK here, before will coredump, due to fake match
|
|
bool logOK = syncNodeOnAppendEntriesLogOK(ths, pMsg);
|
|
|
|
// not match
|
|
//
|
|
// condition1:
|
|
// term < myTerm
|
|
//
|
|
// condition2:
|
|
// !logOK
|
|
//
|
|
// operation:
|
|
// not match
|
|
// no operation on log
|
|
do {
|
|
bool condition1 = pMsg->term < ths->pRaftStore->currentTerm;
|
|
bool condition2 =
|
|
(pMsg->term == ths->pRaftStore->currentTerm) && (ths->state == TAOS_SYNC_STATE_FOLLOWER) && !logOK;
|
|
bool condition = condition1 || condition2;
|
|
|
|
if (condition) {
|
|
sTrace(
|
|
"recv SyncAppendEntries, not match, syncLogBeginIndex:%ld, syncLogEndIndex:%ld, condition1:%d, "
|
|
"condition2:%d, logOK:%d",
|
|
ths->pLogStore->syncLogBeginIndex(ths->pLogStore), ths->pLogStore->syncLogEndIndex(ths->pLogStore),
|
|
condition1, condition2, logOK);
|
|
|
|
// prepare response msg
|
|
SyncAppendEntriesReply* pReply = syncAppendEntriesReplyBuild(ths->vgId);
|
|
pReply->srcId = ths->myRaftId;
|
|
pReply->destId = pMsg->srcId;
|
|
pReply->term = ths->pRaftStore->currentTerm;
|
|
pReply->privateTerm = ths->pNewNodeReceiver->privateTerm;
|
|
pReply->success = false;
|
|
pReply->matchIndex = SYNC_INDEX_INVALID;
|
|
|
|
// send response
|
|
SRpcMsg rpcMsg;
|
|
syncAppendEntriesReply2RpcMsg(pReply, &rpcMsg);
|
|
syncNodeSendMsgById(&pReply->destId, ths, &rpcMsg);
|
|
syncAppendEntriesReplyDestroy(pReply);
|
|
|
|
return ret;
|
|
}
|
|
} while (0);
|
|
|
|
// really match
|
|
//
|
|
// condition:
|
|
// logOK
|
|
//
|
|
// operation:
|
|
// match
|
|
// make log same
|
|
do {
|
|
bool condition = (pMsg->term == ths->pRaftStore->currentTerm) && (ths->state == TAOS_SYNC_STATE_FOLLOWER) && logOK;
|
|
if (condition) {
|
|
// has extra entries (> preIndex) in local log
|
|
SyncIndex myLastIndex = syncNodeGetLastIndex(ths);
|
|
bool hasExtraEntries = myLastIndex > pMsg->prevLogIndex;
|
|
|
|
// has entries in SyncAppendEntries msg
|
|
bool hasAppendEntries = pMsg->dataLen > 0;
|
|
|
|
sTrace("recv SyncAppendEntries, match, myLastIndex:%ld, hasExtraEntries:%d, hasAppendEntries:%d", myLastIndex,
|
|
hasExtraEntries, hasAppendEntries);
|
|
|
|
if (hasExtraEntries) {
|
|
// make log same, rollback deleted entries
|
|
code = syncNodeMakeLogSame(ths, pMsg);
|
|
ASSERT(code == 0);
|
|
}
|
|
|
|
if (hasAppendEntries) {
|
|
// append entry
|
|
SSyncRaftEntry* pAppendEntry = syncEntryDeserialize(pMsg->data, pMsg->dataLen);
|
|
ASSERT(pAppendEntry != NULL);
|
|
|
|
code = ths->pLogStore->syncLogAppendEntry(ths->pLogStore, pAppendEntry);
|
|
ASSERT(code == 0);
|
|
|
|
// pre commit
|
|
code = syncNodePreCommit(ths, pAppendEntry);
|
|
ASSERT(code == 0);
|
|
|
|
syncEntryDestory(pAppendEntry);
|
|
}
|
|
|
|
// prepare response msg
|
|
SyncAppendEntriesReply* pReply = syncAppendEntriesReplyBuild(ths->vgId);
|
|
pReply->srcId = ths->myRaftId;
|
|
pReply->destId = pMsg->srcId;
|
|
pReply->term = ths->pRaftStore->currentTerm;
|
|
pReply->privateTerm = ths->pNewNodeReceiver->privateTerm;
|
|
pReply->success = true;
|
|
pReply->matchIndex = hasAppendEntries ? pMsg->prevLogIndex + 1 : pMsg->prevLogIndex;
|
|
|
|
// send response
|
|
SRpcMsg rpcMsg;
|
|
syncAppendEntriesReply2RpcMsg(pReply, &rpcMsg);
|
|
syncNodeSendMsgById(&pReply->destId, ths, &rpcMsg);
|
|
syncAppendEntriesReplyDestroy(pReply);
|
|
|
|
// maybe update commit index, leader notice me
|
|
if (pMsg->commitIndex > ths->commitIndex) {
|
|
// has commit entry in local
|
|
if (pMsg->commitIndex <= ths->pLogStore->syncLogLastIndex(ths->pLogStore)) {
|
|
// advance commit index to sanpshot first
|
|
SSnapshot snapshot;
|
|
ths->pFsm->FpGetSnapshot(ths->pFsm, &snapshot);
|
|
if (snapshot.lastApplyIndex >= 0 && snapshot.lastApplyIndex > ths->commitIndex) {
|
|
SyncIndex commitBegin = ths->commitIndex;
|
|
SyncIndex commitEnd = snapshot.lastApplyIndex;
|
|
ths->commitIndex = snapshot.lastApplyIndex;
|
|
|
|
sDebug(
|
|
"vgId:%d sync event %s commitIndex:%ld currentTerm:%lu commit by snapshot from index:%ld to index:%ld",
|
|
ths->vgId, syncUtilState2String(ths->state), ths->commitIndex, ths->pRaftStore->currentTerm,
|
|
commitBegin, commitEnd);
|
|
}
|
|
|
|
SyncIndex beginIndex = ths->commitIndex + 1;
|
|
SyncIndex endIndex = pMsg->commitIndex;
|
|
|
|
// update commit index
|
|
ths->commitIndex = pMsg->commitIndex;
|
|
|
|
// call back Wal
|
|
code = ths->pLogStore->updateCommitIndex(ths->pLogStore, ths->commitIndex);
|
|
ASSERT(code == 0);
|
|
|
|
code = syncNodeCommit(ths, beginIndex, endIndex, ths->state);
|
|
ASSERT(code == 0);
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
} while (0);
|
|
|
|
return ret;
|
|
}
|