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refactor(sync): add syncIsReadyForRead

This commit is contained in:
Minghao Li 2022-11-03 13:57:57 +08:00
parent 1fc79e289d
commit a4b54c4f0e
3 changed files with 38 additions and 2 deletions
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1
include/libs/sync/sync.h
View File

@ -219,6 +219,7 @@ int32_t syncBeginSnapshot(int64_t rid, int64_t lastApplyIndex);
int32_t syncEndSnapshot(int64_t rid);
int32_t syncLeaderTransfer(int64_t rid);
int32_t syncStepDown(int64_t rid, SyncTerm newTerm);
bool syncIsReadyForRead(int64_t rid);
SSyncState syncGetState(int64_t rid);
void syncGetRetryEpSet(int64_t rid, SEpSet* pEpSet);

6
source/dnode/vnode/src/vnd/vnodeSvr.c
View File

@ -334,7 +334,8 @@ int32_t vnodePreprocessQueryMsg(SVnode *pVnode, SRpcMsg *pMsg) {
int32_t vnodeProcessQueryMsg(SVnode *pVnode, SRpcMsg *pMsg) {
vTrace("message in vnode query queue is processing");
if ((pMsg->msgType == TDMT_SCH_QUERY) && !vnodeIsLeader(pVnode)) {
// if ((pMsg->msgType == TDMT_SCH_QUERY) && !vnodeIsLeader(pVnode)) {
if ((pMsg->msgType == TDMT_SCH_QUERY) && !syncIsReadyForRead(pVnode->sync)) {
vnodeRedirectRpcMsg(pVnode, pMsg);
return 0;
}
@ -356,7 +357,8 @@ int32_t vnodeProcessFetchMsg(SVnode *pVnode, SRpcMsg *pMsg, SQueueInfo *pInfo) {
vTrace("vgId:%d, msg:%p in fetch queue is processing", pVnode->config.vgId, pMsg);
if ((pMsg->msgType == TDMT_SCH_FETCH || pMsg->msgType == TDMT_VND_TABLE_META || pMsg->msgType == TDMT_VND_TABLE_CFG ||
pMsg->msgType == TDMT_VND_BATCH_META) &&
!vnodeIsLeader(pVnode)) {
!syncIsReadyForRead(pVnode->sync)) {
// !vnodeIsLeader(pVnode)) {
vnodeRedirectRpcMsg(pVnode, pMsg);
return 0;
}

33
source/libs/sync/src/syncMain.c
View File

@ -437,6 +437,39 @@ int32_t syncStepDown(int64_t rid, SyncTerm newTerm) {
return 0;
}
bool syncIsReadyForRead(int64_t rid) {
SSyncNode* pSyncNode = syncNodeAcquire(rid);
if (pSyncNode == NULL) {
terrno = TSDB_CODE_SYN_INTERNAL_ERROR;
return false;
}
ASSERT(rid == pSyncNode->rid);
if (pSyncNode->state == TAOS_SYNC_STATE_LEADER && pSyncNode->restoreFinish) {
syncNodeRelease(pSyncNode);
return true;
}
bool ready = false;
if (pSyncNode->state == TAOS_SYNC_STATE_LEADER && !pSyncNode->restoreFinish) {
if (!pSyncNode->pLogStore->syncLogIsEmpty(pSyncNode->pLogStore)) {
SSyncRaftEntry* pEntry = NULL;
int32_t code = pSyncNode->pLogStore->syncLogGetEntry(
pSyncNode->pLogStore, pSyncNode->pLogStore->syncLogLastIndex(pSyncNode->pLogStore), &pEntry);
if (code == 0 && pEntry != NULL) {
if (pEntry->originalRpcType == TDMT_SYNC_NOOP && pEntry->term == pSyncNode->pRaftStore->currentTerm) {
ready = true;
}
syncEntryDestory(pEntry);
}
}
}
syncNodeRelease(pSyncNode);
return ready;
}
int32_t syncNodeLeaderTransfer(SSyncNode* pSyncNode) {
if (pSyncNode->peersNum == 0) {
sDebug("only one replica, cannot leader transfer");