refactor(sync): add double queues in mnode

include/dnode/mnode/mnode.h

@@ -98,6 +98,7 @@ int32_t mndGetLoad(SMnode *pMnode, SMnodeLoad *pLoad);
  */
 int32_t mndProcessRpcMsg(SRpcMsg *pMsg);
 int32_t mndProcessSyncMsg(SRpcMsg *pMsg);
+int32_t mndProcessSyncCtrlMsg(SRpcMsg *pMsg);
 int32_t mndPreProcessQueryMsg(SRpcMsg *pMsg);
 void    mndPostProcessQueryMsg(SRpcMsg *pMsg);
 

source/dnode/mgmt/mgmt_mnode/inc/mmInt.h

@@ -34,6 +34,7 @@ typedef struct SMnodeMgmt {
   SSingleWorker  readWorker;
   SSingleWorker  writeWorker;
   SSingleWorker  syncWorker;
+  SSingleWorker  syncCtrlWorker;
   SSingleWorker  monitorWorker;
   bool           stopped;
   int32_t        refCount;
@@ -56,6 +57,7 @@ int32_t mmStartWorker(SMnodeMgmt *pMgmt);
 void    mmStopWorker(SMnodeMgmt *pMgmt);
 int32_t mmPutMsgToWriteQueue(SMnodeMgmt *pMgmt, SRpcMsg *pMsg);
 int32_t mmPutMsgToSyncQueue(SMnodeMgmt *pMgmt, SRpcMsg *pMsg);
+int32_t mmPutMsgToSyncCtrlQueue(SMnodeMgmt *pMgmt, SRpcMsg *pMsg);
 int32_t mmPutMsgToReadQueue(SMnodeMgmt *pMgmt, SRpcMsg *pMsg);
 int32_t mmPutMsgToQueryQueue(SMnodeMgmt *pMgmt, SRpcMsg *pMsg);
 int32_t mmPutMsgToFetchQueue(SMnodeMgmt *pMgmt, SRpcMsg *pMsg);

source/dnode/mgmt/mgmt_mnode/src/mmHandle.c

@@ -257,6 +257,9 @@ SArray *mmGetMsgHandles() {
   if (dmSetMgmtHandle(pArray, TDMT_SYNC_SET_MNODE_STANDBY_RSP, mmPutMsgToWriteQueue, 0) == NULL) goto _OVER;
   if (dmSetMgmtHandle(pArray, TDMT_SYNC_SET_VNODE_STANDBY_RSP, mmPutMsgToWriteQueue, 0) == NULL) goto _OVER;
 
+  if (dmSetMgmtHandle(pArray, TDMT_SYNC_HEARTBEAT, mmPutMsgToSyncCtrlQueue, 1) == NULL) goto _OVER;
+  if (dmSetMgmtHandle(pArray, TDMT_SYNC_HEARTBEAT_REPLY, mmPutMsgToSyncCtrlQueue, 1) == NULL) goto _OVER;
+
   code = 0;
 
 _OVER:

source/dnode/mgmt/mgmt_mnode/src/mmWorker.c

@@ -77,6 +77,24 @@ static void mmProcessRpcMsg(SQueueInfo *pInfo, SRpcMsg *pMsg) {
   taosFreeQitem(pMsg);
 }
 
+static void mmProcessSyncCtrlMsg(SQueueInfo *pInfo, SRpcMsg *pMsg) {
+  SMnodeMgmt *pMgmt = pInfo->ahandle;
+  pMsg->info.node = pMgmt->pMnode;
+
+  const STraceId *trace = &pMsg->info.traceId;
+  dGTrace("msg:%p, get from mnode-sync-ctrl queue", pMsg);
+
+  SMsgHead *pHead = pMsg->pCont;
+  pHead->contLen = ntohl(pHead->contLen);
+  pHead->vgId = ntohl(pHead->vgId);
+
+  int32_t code = mndProcessSyncCtrlMsg(pMsg);
+
+  dGTrace("msg:%p, is freed, code:0x%x", pMsg, code);
+  rpcFreeCont(pMsg->pCont);
+  taosFreeQitem(pMsg);
+}
+
 static void mmProcessSyncMsg(SQueueInfo *pInfo, SRpcMsg *pMsg) {
   SMnodeMgmt *pMgmt = pInfo->ahandle;
   pMsg->info.node = pMgmt->pMnode;
@@ -118,6 +136,10 @@ int32_t mmPutMsgToSyncQueue(SMnodeMgmt *pMgmt, SRpcMsg *pMsg) {
   return mmPutMsgToWorker(pMgmt, &pMgmt->syncWorker, pMsg);
 }
 
+int32_t mmPutMsgToSyncCtrlQueue(SMnodeMgmt *pMgmt, SRpcMsg *pMsg) {
+  return mmPutMsgToWorker(pMgmt, &pMgmt->syncCtrlWorker, pMsg);
+}
+
 int32_t mmPutMsgToReadQueue(SMnodeMgmt *pMgmt, SRpcMsg *pMsg) {
   return mmPutMsgToWorker(pMgmt, &pMgmt->readWorker, pMsg);
 }
@@ -158,6 +180,9 @@ int32_t mmPutMsgToQueue(SMnodeMgmt *pMgmt, EQueueType qtype, SRpcMsg *pRpc) {
     case SYNC_QUEUE:
       pWorker = &pMgmt->syncWorker;
       break;
+    case SYNC_CTRL_QUEUE:
+      pWorker = &pMgmt->syncCtrlWorker;
+      break;
     default:
       terrno = TSDB_CODE_INVALID_PARA;
   }
@@ -237,6 +262,18 @@ int32_t mmStartWorker(SMnodeMgmt *pMgmt) {
     return -1;
   }
 
+  SSingleWorkerCfg scCfg = {
+      .min = 1,
+      .max = 1,
+      .name = "mnode-sync-ctrl",
+      .fp = (FItem)mmProcessSyncCtrlMsg,
+      .param = pMgmt,
+  };
+  if (tSingleWorkerInit(&pMgmt->syncCtrlWorker, &scCfg) != 0) {
+    dError("failed to start mnode mnode-sync-ctrl worker since %s", terrstr());
+    return -1;
+  }
+
   SSingleWorkerCfg mCfg = {
       .min = 1,
       .max = 1,
@@ -262,5 +299,6 @@ void mmStopWorker(SMnodeMgmt *pMgmt) {
   tSingleWorkerCleanup(&pMgmt->readWorker);
   tSingleWorkerCleanup(&pMgmt->writeWorker);
   tSingleWorkerCleanup(&pMgmt->syncWorker);
+  tSingleWorkerCleanup(&pMgmt->syncCtrlWorker);
   dDebug("mnode workers are closed");
 }

source/dnode/mnode/impl/src/mndMain.c

@@ -444,6 +444,45 @@ void mndStop(SMnode *pMnode) {
   mndCleanupTimer(pMnode);
 }
 
+int32_t mndProcessSyncCtrlMsg(SRpcMsg *pMsg) {
+  SMnode    *pMnode = pMsg->info.node;
+  SSyncMgmt *pMgmt = &pMnode->syncMgmt;
+  int32_t    code = 0;
+
+  mInfo("vgId:%d, process sync ctrl msg", 1);
+
+  if (!syncEnvIsStart()) {
+    mError("failed to process sync msg:%p type:%s since syncEnv stop", pMsg, TMSG_INFO(pMsg->msgType));
+    terrno = TSDB_CODE_SYN_INTERNAL_ERROR;
+    return -1;
+  }
+
+  SSyncNode *pSyncNode = syncNodeAcquire(pMgmt->sync);
+  if (pSyncNode == NULL) {
+    mError("failed to process sync msg:%p type:%s since syncNode is null", pMsg, TMSG_INFO(pMsg->msgType));
+    terrno = TSDB_CODE_SYN_INTERNAL_ERROR;
+    return -1;
+  }
+
+  if (pMsg->msgType == TDMT_SYNC_HEARTBEAT) {
+    SyncHeartbeat *pSyncMsg = syncHeartbeatFromRpcMsg2(pMsg);
+    code = syncNodeOnHeartbeat(pSyncNode, pSyncMsg);
+    syncHeartbeatDestroy(pSyncMsg);
+
+  } else if (pMsg->msgType == TDMT_SYNC_HEARTBEAT_REPLY) {
+    SyncHeartbeatReply *pSyncMsg = syncHeartbeatReplyFromRpcMsg2(pMsg);
+    code = syncNodeOnHeartbeatReply(pSyncNode, pSyncMsg);
+    syncHeartbeatReplyDestroy(pSyncMsg);
+  }
+
+  syncNodeRelease(pSyncNode);
+
+  if (code != 0) {
+    terrno = TSDB_CODE_SYN_INTERNAL_ERROR;
+  }
+  return code;
+}
+
 int32_t mndProcessSyncMsg(SRpcMsg *pMsg) {
   SMnode    *pMnode = pMsg->info.node;
   SSyncMgmt *pMgmt = &pMnode->syncMgmt;

source/libs/sync/inc/syncSnapshot.h

@@ -67,6 +67,8 @@ cJSON *snapshotSender2Json(SSyncSnapshotSender *pSender);
 char  *snapshotSender2Str(SSyncSnapshotSender *pSender);
 char  *snapshotSender2SimpleStr(SSyncSnapshotSender *pSender, char *event);
 
+int32_t syncNodeStartSnapshot(SSyncNode *pSyncNode, SRaftId *pDestId);
+
 //---------------------------------------------------
 typedef struct SSyncSnapshotReceiver {
   bool           start;

source/libs/sync/src/syncMain.c

@@ -1493,15 +1493,19 @@ static int32_t syncNodeDoStartHeartbeatTimer(SSyncNode* pSyncNode) {
 }
 
 int32_t syncNodeStartHeartbeatTimer(SSyncNode* pSyncNode) {
-  pSyncNode->heartbeatTimerMS = pSyncNode->hbBaseLine;
+  int32_t ret = 0;
-  int32_t ret = syncNodeDoStartHeartbeatTimer(pSyncNode);
 
+  if (syncNodeIsMnode(pSyncNode)) {
+    pSyncNode->heartbeatTimerMS = pSyncNode->hbBaseLine;
+    ret = syncNodeDoStartHeartbeatTimer(pSyncNode);
+  } else {
     do {
       for (int i = 0; i < pSyncNode->peersNum; ++i) {
         SSyncTimer* pSyncTimer = syncNodeGetHbTimer(pSyncNode, &(pSyncNode->peersId[i]));
         syncHbTimerStart(pSyncNode, pSyncTimer);
       }
     } while (0);
+  }
 
   return ret;
 }
@@ -2954,6 +2958,8 @@ int32_t syncNodeOnClientRequestCb(SSyncNode* ths, SyncClientRequest* pMsg, SyncI
 }
 
 int32_t syncNodeOnClientRequest(SSyncNode* ths, SyncClientRequest* pMsg, SyncIndex* pRetIndex) {
+  syncNodeEventLog(ths, "on client request");
+
   int32_t ret = 0;
   int32_t code = 0;
 
@@ -3003,6 +3009,8 @@ int32_t syncNodeOnClientRequest(SSyncNode* ths, SyncClientRequest* pMsg, SyncInd
 }
 
 int32_t syncNodeOnClientRequestBatchCb(SSyncNode* ths, SyncClientRequestBatch* pMsg) {
+  syncNodeEventLog(ths, "on client request batch");
+
   int32_t code = 0;
 
   if (ths->state != TAOS_SYNC_STATE_LEADER) {

source/libs/sync/src/syncReplication.c

@@ -487,6 +487,8 @@ int32_t syncNodeDoAppendEntries(SSyncNode* pSyncNode, SRaftId* pDestId) {
   SyncIndex logEndIndex = pSyncNode->pLogStore->syncLogEndIndex(pSyncNode->pLogStore);
   if (nextIndex < logStartIndex || nextIndex > logEndIndex) {
     // start snapshot
+    int32_t code = syncNodeStartSnapshot(pSyncNode, pDestId);
+    ASSERT(code == 0);
     return 0;
   }
 
@@ -546,6 +548,8 @@ int32_t syncNodeDoAppendEntries(SSyncNode* pSyncNode, SRaftId* pDestId) {
 }
 
 int32_t syncNodeDoReplicate(SSyncNode* pSyncNode) {
+  syncNodeEventLog(pSyncNode, "do replicate");
+
   if (pSyncNode->state != TAOS_SYNC_STATE_LEADER) {
     return -1;
   }

source/libs/sync/src/syncSnapshot.c

@@ -402,6 +402,8 @@ char *snapshotSender2SimpleStr(SSyncSnapshotSender *pSender, char *event) {
   return s;
 }
 
+int32_t syncNodeStartSnapshot(SSyncNode *pSyncNode, SRaftId *pDestId) { return 0; }
+
 // -------------------------------------
 SSyncSnapshotReceiver *snapshotReceiverCreate(SSyncNode *pSyncNode, SRaftId fromId) {
   bool condition = (pSyncNode->pFsm->FpSnapshotStartWrite != NULL) && (pSyncNode->pFsm->FpSnapshotStopWrite != NULL) &&

tests/script/tsim/sync/sync2-test.sim

@@ -111,6 +111,9 @@ else
 endi
 
 
+
+return 0
+
 vg_ready:
 print ====>  create stable/child table
 sql create table stb (ts timestamp, c1 int, c2 float, c3 double) tags (t1 int)
@@ -123,6 +126,12 @@ endi
 sql create table ct1 using stb tags(1000)
 
 
+
+
+
+
+
+
 print ====> step1 insert 1000 records
 $N = 1000
 $count = 0