fix(sync): set handle when send response

source/dnode/mgmt/mgmt_vnode/src/vmWorker.c

@@ -214,7 +214,23 @@ static void vmProcessSyncQueue(SQueueInfo *pInfo, STaosQall *qall, int32_t numOf
 
     // todo
     SRpcMsg *pRsp = NULL;
-    (void)vnodeProcessSyncReq(pVnode->pImpl, &pMsg->rpcMsg, &pRsp);
+    int32_t ret = vnodeProcessSyncReq(pVnode->pImpl, &pMsg->rpcMsg, &pRsp);
+    if (ret != 0) {
+      // if leader, send response
+      if (pMsg->rpcMsg.handle != NULL) {
+        SRpcMsg    rsp;
+        rsp.pCont = NULL;
+        rsp.contLen = 0;
+
+        rsp.code = terrno;
+        dTrace("vmProcessSyncQueue error, code:%d", terrno);
+        
+        rsp.ahandle = pMsg->rpcMsg.ahandle;
+        rsp.handle = pMsg->rpcMsg.handle;
+        rsp.refId = pMsg->rpcMsg.refId;
+        tmsgSendRsp(&rsp);
+      }
+    }
 
     rpcFreeCont(pMsg->rpcMsg.pCont);
     taosFreeQitem(pMsg);

source/dnode/vnode/src/vnd/vnodeSvr.c

@@ -199,6 +199,8 @@ void smaHandleRes(void *pVnode, int64_t smaId, const SArray *data) {
 }
 
 int vnodeProcessSyncReq(SVnode *pVnode, SRpcMsg *pMsg, SRpcMsg **pRsp) {
+  int32_t ret = TAOS_SYNC_PROPOSE_OTHER_ERROR;
+  
   if (syncEnvIsStart()) {
     SSyncNode *pSyncNode = syncNodeAcquire(pVnode->sync);
     assert(pSyncNode != NULL);
@@ -220,67 +222,70 @@ int vnodeProcessSyncReq(SVnode *pVnode, SRpcMsg *pMsg, SRpcMsg **pRsp) {
       SyncTimeout *pSyncMsg = syncTimeoutFromRpcMsg2(pRpcMsg);
       assert(pSyncMsg != NULL);
 
-      syncNodeOnTimeoutCb(pSyncNode, pSyncMsg);
+      ret = syncNodeOnTimeoutCb(pSyncNode, pSyncMsg);
       syncTimeoutDestroy(pSyncMsg);
 
     } else if (pRpcMsg->msgType == TDMT_VND_SYNC_PING) {
       SyncPing *pSyncMsg = syncPingFromRpcMsg2(pRpcMsg);
       assert(pSyncMsg != NULL);
 
-      syncNodeOnPingCb(pSyncNode, pSyncMsg);
+      ret = syncNodeOnPingCb(pSyncNode, pSyncMsg);
       syncPingDestroy(pSyncMsg);
 
     } else if (pRpcMsg->msgType == TDMT_VND_SYNC_PING_REPLY) {
       SyncPingReply *pSyncMsg = syncPingReplyFromRpcMsg2(pRpcMsg);
       assert(pSyncMsg != NULL);
 
-      syncNodeOnPingReplyCb(pSyncNode, pSyncMsg);
+      ret = syncNodeOnPingReplyCb(pSyncNode, pSyncMsg);
       syncPingReplyDestroy(pSyncMsg);
 
     } else if (pRpcMsg->msgType == TDMT_VND_SYNC_CLIENT_REQUEST) {
       SyncClientRequest *pSyncMsg = syncClientRequestFromRpcMsg2(pRpcMsg);
       assert(pSyncMsg != NULL);
 
-      syncNodeOnClientRequestCb(pSyncNode, pSyncMsg);
+      ret = syncNodeOnClientRequestCb(pSyncNode, pSyncMsg);
       syncClientRequestDestroy(pSyncMsg);
 
     } else if (pRpcMsg->msgType == TDMT_VND_SYNC_REQUEST_VOTE) {
       SyncRequestVote *pSyncMsg = syncRequestVoteFromRpcMsg2(pRpcMsg);
       assert(pSyncMsg != NULL);
 
-      syncNodeOnRequestVoteCb(pSyncNode, pSyncMsg);
+      ret = syncNodeOnRequestVoteCb(pSyncNode, pSyncMsg);
       syncRequestVoteDestroy(pSyncMsg);
 
     } else if (pRpcMsg->msgType == TDMT_VND_SYNC_REQUEST_VOTE_REPLY) {
       SyncRequestVoteReply *pSyncMsg = syncRequestVoteReplyFromRpcMsg2(pRpcMsg);
       assert(pSyncMsg != NULL);
 
-      syncNodeOnRequestVoteReplyCb(pSyncNode, pSyncMsg);
+      ret = syncNodeOnRequestVoteReplyCb(pSyncNode, pSyncMsg);
       syncRequestVoteReplyDestroy(pSyncMsg);
 
     } else if (pRpcMsg->msgType == TDMT_VND_SYNC_APPEND_ENTRIES) {
       SyncAppendEntries *pSyncMsg = syncAppendEntriesFromRpcMsg2(pRpcMsg);
       assert(pSyncMsg != NULL);
 
-      syncNodeOnAppendEntriesCb(pSyncNode, pSyncMsg);
+      ret = syncNodeOnAppendEntriesCb(pSyncNode, pSyncMsg);
       syncAppendEntriesDestroy(pSyncMsg);
 
     } else if (pRpcMsg->msgType == TDMT_VND_SYNC_APPEND_ENTRIES_REPLY) {
       SyncAppendEntriesReply *pSyncMsg = syncAppendEntriesReplyFromRpcMsg2(pRpcMsg);
       assert(pSyncMsg != NULL);
 
-      syncNodeOnAppendEntriesReplyCb(pSyncNode, pSyncMsg);
+      ret = syncNodeOnAppendEntriesReplyCb(pSyncNode, pSyncMsg);
       syncAppendEntriesReplyDestroy(pSyncMsg);
 
     } else {
       vError("==vnodeProcessSyncReq== error msg type:%d", pRpcMsg->msgType);
+      ret = TAOS_SYNC_PROPOSE_OTHER_ERROR;
     }
 
     syncNodeRelease(pSyncNode);
   } else {
     vError("==vnodeProcessSyncReq== error syncEnv stop");
+    ret = TAOS_SYNC_PROPOSE_OTHER_ERROR;
   }
-  return 0;
+
+  return ret;
 }
 
 static int vnodeProcessCreateStbReq(SVnode *pVnode, int64_t version, void *pReq, int len, SRpcMsg *pRsp) {