add checkpoint

source/dnode/vnode/src/tq/tqStreamStateSnap.c

@@ -49,6 +49,10 @@ int32_t streamStateSnapReaderOpen(STQ* pTq, int64_t sver, int64_t ever, SStreamS
   sprintf(tdir, "%s%s%s%s%s", pTq->path, TD_DIRSEP, VNODE_TQ_STREAM, TD_DIRSEP, "checkpoints");
   if (streamSnapReaderOpen(pTq, sver, ever, tdir, &pSnapReader) == 0) {
     pReader->complete = 1;
+  } else {
+    code = -1;
+    taosMemoryFree(pReader);
+    goto _err;
   }
   pReader->pReaderImpl = pSnapReader;
 

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

@@ -90,7 +90,7 @@ int32_t vnodeSnapRead(SVSnapReader *pReader, uint8_t **ppData, uint32_t *nData)
   // CONFIG ==============
   // FIXME: if commit multiple times and the config changed?
   if (!pReader->cfgDone) {
-    char fName[TSDB_FILENAME_LEN];
+    char    fName[TSDB_FILENAME_LEN];
     int32_t offset = 0;
 
     vnodeGetPrimaryDir(pReader->pVnode->path, pReader->pVnode->pTfs, fName, TSDB_FILENAME_LEN);
@@ -242,7 +242,11 @@ int32_t vnodeSnapRead(SVSnapReader *pReader, uint8_t **ppData, uint32_t *nData)
     if (pReader->pStreamStateReader == NULL) {
       code =
           streamStateSnapReaderOpen(pReader->pVnode->pTq, pReader->sver, pReader->sver, &pReader->pStreamStateReader);
-      if (code) goto _err;
+      if (code) {
+        pReader->streamStateDone = 1;
+        pReader->pStreamStateReader = NULL;
+        goto _err;
+      }
     }
     code = streamStateSnapRead(pReader->pStreamStateReader, ppData);
     if (code) {

source/libs/stream/src/streamSnapshot.c

@@ -98,8 +98,10 @@ int32_t streamSnapHandleInit(SStreamSnapHandle* pHandle, char* path) {
   }
 
   SBanckendFile* pFile = taosMemoryCalloc(1, sizeof(SBanckendFile));
+  pHandle->pBackendFile = pFile;
   pHandle->checkpointId = 0;
   pHandle->seraial = 0;
+
   pFile->path = taosStrdup(path);
   pFile->pSst = taosArrayInit(16, sizeof(void*));
 
@@ -133,7 +135,7 @@ int32_t streamSnapHandleInit(SStreamSnapHandle* pHandle, char* path) {
 
   if (pFile->pCurrent == NULL) {
     code = -1;
-    return code;
+    goto _err;
   }
   SArray* list = taosArrayInit(64, sizeof(SBackendFileItem));
 
@@ -197,7 +199,7 @@ void streamSnapHandleDestroy(SStreamSnapHandle* handle) {
   taosMemoryFree(pFile->pMainfest);
   taosMemoryFree(pFile->pOptions);
   taosMemoryFree(pFile->path);
-  for (int i = 0; pFile->pSst != NULL && i < taosArrayGetSize(pFile->pSst); i++) {
+  for (int i = 0; i < taosArrayGetSize(pFile->pSst); i++) {
     char* sst = taosArrayGetP(pFile->pSst, i);
     taosMemoryFree(sst);
   }