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Merge remote-tracking branch 'origin/feature/3.0_mhli' into fix/dnode

This commit is contained in:
Shengliang Guan 2022-06-16 19:47:40 +08:00
parent dd024941b7 d3f6f07902
commit 5d64fcb117
1 changed files with 34 additions and 0 deletions
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34
source/libs/sync/src/syncAppendEntries.c
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@ -880,6 +880,40 @@ int32_t syncNodeOnAppendEntriesSnapshotCb(SSyncNode* ths, SyncAppendEntries* pMs
}
} while (0);
// fake match
//
// condition1:
// preIndex <= my commit index
//
// operation:
// match my commit index
// 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);
// 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 = ths->commitIndex;
// 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);