From 6cf1adf1b1d417f55ccfe2afba22d25c8dc1dc50 Mon Sep 17 00:00:00 2001
From: yihaoDeng <luomoxyz@126.com>
Date: Thu, 11 May 2023 13:01:45 +0000
Subject: [PATCH] factor code

---
 source/libs/stream/src/streamMeta.c | 20 +++++++-------------
 1 file changed, 7 insertions(+), 13 deletions(-)

diff --git a/source/libs/stream/src/streamMeta.c b/source/libs/stream/src/streamMeta.c
index 60d505b305..a8af310bad 100644
--- a/source/libs/stream/src/streamMeta.c
+++ b/source/libs/stream/src/streamMeta.c
@@ -39,18 +39,16 @@ SStreamMeta* streamMetaOpen(const char* path, void* ahandle, FTaskExpand expandF
   sprintf(streamPath, "%s/%s", path, "stream");
   pMeta->path = taosStrdup(streamPath);
   if (tdbOpen(pMeta->path, 16 * 1024, 1, &pMeta->db, 0) < 0) {
-    taosMemoryFree(streamPath);
     goto _err;
   }
+  memset(streamPath, 0, len);
 
   sprintf(streamPath, "%s/%s", pMeta->path, "checkpoints");
   code = taosMulModeMkDir(streamPath, 0755);
   if (code != 0) {
     terrno = TAOS_SYSTEM_ERROR(code);
-    taosMemoryFree(streamPath);
     goto _err;
   }
-  taosMemoryFree(streamPath);
 
   if (tdbTbOpen("task.db", sizeof(int32_t), -1, NULL, pMeta->db, &pMeta->pTaskDb, 0) < 0) {
     goto _err;
@@ -83,24 +81,24 @@ SStreamMeta* streamMetaOpen(const char* path, void* ahandle, FTaskExpand expandF
   pMeta->expandFunc = expandFunc;
   pMeta->streamBackendId = streamBackendId;
 
-  char* statePath = taosMemoryCalloc(1, len);
-  sprintf(statePath, "%s/%s", pMeta->path, "state");
-  code = taosMulModeMkDir(statePath, 0755);
+  memset(streamPath, 0, len);
+  sprintf(streamPath, "%s/%s", pMeta->path, "state");
+  code = taosMulModeMkDir(streamPath, 0755);
   if (code != 0) {
     terrno = TAOS_SYSTEM_ERROR(code);
-    taosMemoryFree(streamPath);
     goto _err;
   }
 
-  pMeta->streamBackend = streamBackendInit(statePath);
+  pMeta->streamBackend = streamBackendInit(streamPath);
   pMeta->streamBackendRid = taosAddRef(streamBackendId, pMeta->streamBackend);
 
-  taosMemoryFree(statePath);
+  taosMemoryFree(streamPath);
 
   taosInitRWLatch(&pMeta->lock);
   return pMeta;
 
 _err:
+  taosMemoryFree(streamPath);
   taosMemoryFree(pMeta->path);
   if (pMeta->pTasks) taosHashCleanup(pMeta->pTasks);
   if (pMeta->pTaskList) taosArrayDestroy(pMeta->pTaskList);
@@ -266,13 +264,9 @@ void streamMetaRemoveTask(SStreamMeta* pMeta, int32_t taskId) {
   SStreamTask** ppTask = (SStreamTask**)taosHashGet(pMeta->pTasks, &taskId, sizeof(int32_t));
   if (ppTask) {
     SStreamTask* pTask = *ppTask;
-
-    // taosWLockLatch(&pMeta->lock);
-
     taosHashRemove(pMeta->pTasks, &taskId, sizeof(int32_t));
     tdbTbDelete(pMeta->pTaskDb, &taskId, sizeof(int32_t), pMeta->txn);
 
-    //
     atomic_store_8(&pTask->status.taskStatus, TASK_STATUS__DROPPING);
 
     int32_t num = taosArrayGetSize(pMeta->pTaskList);