fix mem leak

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

@@ -77,7 +77,7 @@ static int32_t mndBuildStreamCheckpointSourceReq2(void **pBuf, int32_t *pLen, in
                                                   int64_t streamId, int32_t taskId);
 static int32_t mndProcessNodeCheck(SRpcMsg *pReq);
 static int32_t mndProcessNodeCheckReq(SRpcMsg *pMsg);
-static void keepStreamTasksInBuf(SStreamObj* pStream, SStreamVnodeRevertIndex* pExecNode);
+static void    keepStreamTasksInBuf(SStreamObj *pStream, SStreamVnodeRevertIndex *pExecNode);
 
 static SArray           *doExtractNodeListFromStream(SMnode *pMnode);
 static SArray           *mndTakeVgroupSnapshot(SMnode *pMnode);
@@ -129,7 +129,11 @@ int32_t mndInitStream(SMnode *pMnode) {
   return sdbSetTable(pMnode->pSdb, table);
 }
 
-void mndCleanupStream(SMnode *pMnode) {}
+void mndCleanupStream(SMnode *pMnode) {
+  taosArrayDestroy(execNodeList.pTaskList);
+  taosHashCleanup(execNodeList.pTaskMap);
+  taosThreadMutexDestroy(&execNodeList.lock);
+}
 
 SSdbRaw *mndStreamActionEncode(SStreamObj *pStream) {
   terrno = TSDB_CODE_OUT_OF_MEMORY;
@@ -1167,12 +1171,12 @@ static int32_t mndProcessStreamDoCheckpoint(SRpcMsg *pReq) {
     }
   }
 
-  {// check if all tasks are in TASK_STATUS__NORMAL status
+  {  // check if all tasks are in TASK_STATUS__NORMAL status
     bool ready = true;
 
     taosThreadMutexLock(&execNodeList.lock);
-    for(int32_t i = 0; i < taosArrayGetSize(execNodeList.pTaskList); ++i) {
-      STaskStatusEntry* p = taosArrayGet(execNodeList.pTaskList, i);
+    for (int32_t i = 0; i < taosArrayGetSize(execNodeList.pTaskList); ++i) {
+      STaskStatusEntry *p = taosArrayGet(execNodeList.pTaskList, i);
       if (p->status != TASK_STATUS__NORMAL) {
         mDebug("s-task:0x%" PRIx64 "-0x%x (nodeId:%d) status:%s not ready, create checkpoint msg not issued",
                p->streamId, p->taskId, 0, streamGetTaskStatusStr(p->status));
@@ -1197,9 +1201,9 @@ static int32_t mndProcessStreamDoCheckpoint(SRpcMsg *pReq) {
   }
   mDebug("start to trigger checkpoint, checkpointId: %" PRId64 "", checkpointId);
 
-  const char* pDb = mndGetStreamDB(pMnode);
+  const char *pDb = mndGetStreamDB(pMnode);
   mndTransSetDbName(pTrans, pDb, "checkpoint");
-  taosMemoryFree((void*)pDb);
+  taosMemoryFree((void *)pDb);
 
   if (mndTransCheckConflict(pMnode, pTrans) != 0) {
     mError("failed to trigger checkpoint, checkpointId: %" PRId64 ", reason:%s", checkpointId,
@@ -2226,7 +2230,7 @@ static int32_t mndProcessNodeCheck(SRpcMsg *pReq) {
   return 0;
 }
 
-static void keepStreamTasksInBuf(SStreamObj* pStream, SStreamVnodeRevertIndex* pExecNode) {
+static void keepStreamTasksInBuf(SStreamObj *pStream, SStreamVnodeRevertIndex *pExecNode) {
   int32_t level = taosArrayGetSize(pStream->tasks);
   for (int32_t i = 0; i < level; i++) {
     SArray *pLevel = taosArrayGetP(pStream->tasks, i);
@@ -2236,7 +2240,7 @@ static void keepStreamTasksInBuf(SStreamObj* pStream, SStreamVnodeRevertIndex* p
       SStreamTask *pTask = taosArrayGetP(pLevel, j);
       int64_t      keys[2] = {pTask->id.streamId, pTask->id.taskId};
 
-      void* p = taosHashGet(pExecNode->pTaskMap, keys, sizeof(keys));
+      void *p = taosHashGet(pExecNode->pTaskMap, keys, sizeof(keys));
       if (p == NULL) {
         STaskStatusEntry entry = {
             .streamId = pTask->id.streamId, .taskId = pTask->id.taskId, .status = TASK_STATUS__STOP};
@@ -2250,7 +2254,7 @@ static void keepStreamTasksInBuf(SStreamObj* pStream, SStreamVnodeRevertIndex* p
 }
 
 // todo: this process should be executed by the write queue worker of the mnode
- int32_t mndProcessStreamHb(SRpcMsg *pReq) {
+int32_t mndProcessStreamHb(SRpcMsg *pReq) {
   SMnode *pMnode = pReq->info.node;
 
   SStreamHbMsg req = {0};
@@ -2260,11 +2264,13 @@ static void keepStreamTasksInBuf(SStreamObj* pStream, SStreamVnodeRevertIndex* p
   tDecoderInit(&decoder, pReq->pCont, pReq->contLen);
 
   if (tDecodeStreamHbMsg(&decoder, &req) < 0) {
+    tDecoderClear(&decoder);
     terrno = TSDB_CODE_INVALID_MSG;
     return -1;
   }
+  tDecoderClear(&decoder);
 
-//  int64_t now = taosGetTimestampSec();
+  //  int64_t now = taosGetTimestampSec();
   mTrace("receive stream-meta hb from vgId:%d, active numOfTasks:%d", req.vgId, req.numOfTasks);
 
   taosThreadMutexLock(&execNodeList.lock);
@@ -2273,12 +2279,12 @@ static void keepStreamTasksInBuf(SStreamObj* pStream, SStreamVnodeRevertIndex* p
     doExtractTasksFromStream(pMnode);
   }
 
-  for(int32_t i = 0; i < req.numOfTasks; ++i) {
-    STaskStatusEntry* p = taosArrayGet(req.pTaskStatus, i);
+  for (int32_t i = 0; i < req.numOfTasks; ++i) {
+    STaskStatusEntry *p = taosArrayGet(req.pTaskStatus, i);
     int64_t           k[2] = {p->streamId, p->taskId};
-    int32_t index = *(int32_t*) taosHashGet(execNodeList.pTaskMap, &k, sizeof(k));
+    int32_t           index = *(int32_t *)taosHashGet(execNodeList.pTaskMap, &k, sizeof(k));
 
-    STaskStatusEntry* pStatusEntry = taosArrayGet(execNodeList.pTaskList, index);
+    STaskStatusEntry *pStatusEntry = taosArrayGet(execNodeList.pTaskList, index);
     pStatusEntry->status = p->status;
     if (p->status != TASK_STATUS__NORMAL) {
       mDebug("received s-task:0x%x no in ready stat:%s", p->taskId, streamGetTaskStatusStr(p->status));
@@ -2286,9 +2292,11 @@ static void keepStreamTasksInBuf(SStreamObj* pStream, SStreamVnodeRevertIndex* p
   }
   taosThreadMutexUnlock(&execNodeList.lock);
 
+  taosArrayDestroy(req.pTaskStatus);
+
   //  bool nodeChanged = false;
-//  SArray* pList = taosArrayInit(4, sizeof(int32_t));
-/*
+  //  SArray* pList = taosArrayInit(4, sizeof(int32_t));
+  /*
     // record the timeout node
     for(int32_t i = 0; i < taosArrayGetSize(execNodeList.pNodeEntryList); ++i) {
       SNodeEntry* pEntry = taosArrayGet(execNodeList.pNodeEntryList, i);
@@ -2307,10 +2315,10 @@ static void keepStreamTasksInBuf(SStreamObj* pStream, SStreamVnodeRevertIndex* p
 
       // check epset to identify whether the node has been transferred to other dnodes.
       // node the epset is changed, which means the node transfer has occurred for this node.
-//    if (!isEpsetEqual(&pEntry->epset, &req.epset)) {
-//      nodeChanged = true;
-//      break;
-//    }
+  //    if (!isEpsetEqual(&pEntry->epset, &req.epset)) {
+  //      nodeChanged = true;
+  //      break;
+  //    }
     }
 
     // todo handle the node timeout case. Once the vnode is off-line, we should check the dnode status from mnode,
@@ -2334,16 +2342,16 @@ static void keepStreamTasksInBuf(SStreamObj* pStream, SStreamVnodeRevertIndex* p
 
         // update the related upstream and downstream tasks, todo remove this, no need this function
         taosWLockLatch(&pStream->lock);
-//      streamTaskUpdateEpInfo(pStream->tasks, req.vgId, &req.epset);
-//      streamTaskUpdateEpInfo(pStream->pHTasksList, req.vgId, &req.epset);
+  //      streamTaskUpdateEpInfo(pStream->tasks, req.vgId, &req.epset);
+  //      streamTaskUpdateEpInfo(pStream->pHTasksList, req.vgId, &req.epset);
         taosWUnLockLatch(&pStream->lock);
 
-//      code = createStreamUpdateTrans(pMnode, pStream, nodeId, );
-//      if (code != TSDB_CODE_SUCCESS) {
-//         todo
-////      }
-//    }
+  //      code = createStreamUpdateTrans(pMnode, pStream, nodeId, );
+  //      if (code != TSDB_CODE_SUCCESS) {
+  //         todo
+  ////      }
+  //    }
     }
-*/
+  */
   return TSDB_CODE_SUCCESS;
 }