fix: memory error

example/src/tmq.c

@@ -14,9 +14,7 @@
  */
 
 #include <assert.h>
-#include <signal.h>
 #include <stdio.h>
-#include <stdlib.h>
 #include <string.h>
 #include <time.h>
 #include "taos.h"

source/dnode/mnode/impl/inc/mndDef.h

@@ -517,6 +517,7 @@ void*          tDecodeSMqConsumerEp(const void* buf, SMqConsumerEp* pEp);
 typedef struct {
   char      key[TSDB_SUBSCRIBE_KEY_LEN];
   SRWLatch  lock;
+  int64_t   dbUid;
   int32_t   vgNum;
   int8_t    subType;
   int8_t    withTbName;

source/dnode/mnode/impl/inc/mndTopic.h

@@ -31,6 +31,8 @@ void         mndReleaseTopic(SMnode *pMnode, SMqTopicObj *pTopic);
 SSdbRaw *mndTopicActionEncode(SMqTopicObj *pTopic);
 SSdbRow *mndTopicActionDecode(SSdbRaw *pRaw);
 
+int32_t mndDropTopicByDB(SMnode *pMnode, STrans *pTrans, SDbObj *pDb);
+
 #ifdef __cplusplus
 }
 #endif

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

@@ -241,7 +241,7 @@ int32_t tEncodeSMqConsumerEp(void **buf, const SMqConsumerEp *pConsumerEp) {
 
 void *tDecodeSMqConsumerEp(const void *buf, SMqConsumerEp *pConsumerEp) {
   buf = taosDecodeFixedI64(buf, &pConsumerEp->consumerId);
-  buf = taosDecodeArray(buf, &pConsumerEp->vgs, (FDecode)tDecodeSMqVgEp, sizeof(SMqSubVgEp));
+  buf = taosDecodeArray(buf, &pConsumerEp->vgs, (FDecode)tDecodeSMqVgEp, sizeof(SMqVgEp));
 #if 0
   int32_t sz;
   buf = taosDecodeFixedI32(buf, &sz);

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

@@ -731,7 +731,6 @@ _OVER:
 static int32_t mndProcessMCreateStbReq(SNodeMsg *pReq) {
   SMnode        *pMnode = pReq->pNode;
   int32_t        code = -1;
-  SStbObj       *pTopicStb = NULL;
   SStbObj       *pStb = NULL;
   SDbObj        *pDb = NULL;
   SUserObj      *pUser = NULL;
@@ -762,12 +761,6 @@ static int32_t mndProcessMCreateStbReq(SNodeMsg *pReq) {
     goto _OVER;
   }
 
-  pTopicStb = mndAcquireStb(pMnode, createReq.name);
-  if (pTopicStb != NULL) {
-    terrno = TSDB_CODE_MND_NAME_CONFLICT_WITH_TOPIC;
-    goto _OVER;
-  }
-
   pDb = mndAcquireDbByStb(pMnode, createReq.name);
   if (pDb == NULL) {
     terrno = TSDB_CODE_MND_DB_NOT_SELECTED;
@@ -785,7 +778,7 @@ static int32_t mndProcessMCreateStbReq(SNodeMsg *pReq) {
 
   int32_t numOfStbs = -1;
   mndGetNumOfStbs(pMnode, pDb->name, &numOfStbs);
-  if (pDb->cfg.numOfStables == 1 && numOfStbs != 0 ) {
+  if (pDb->cfg.numOfStables == 1 && numOfStbs != 0) {
     terrno = TSDB_CODE_MND_SINGLE_STB_MODE_DB;
     goto _OVER;
   }
@@ -799,7 +792,6 @@ _OVER:
   }
 
   mndReleaseStb(pMnode, pStb);
-  mndReleaseStb(pMnode, pTopicStb);
   mndReleaseDb(pMnode, pDb);
   mndReleaseUser(pMnode, pUser);
   tFreeSMCreateStbReq(&createReq);

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

@@ -80,6 +80,7 @@ static SMqSubscribeObj *mndCreateSub(SMnode *pMnode, const SMqTopicObj *pTopic,
     terrno = TSDB_CODE_OUT_OF_MEMORY;
     return NULL;
   }
+  pSub->dbUid = pTopic->dbUid;
   pSub->subType = pTopic->subType;
   pSub->withTbName = pTopic->withTbName;
   pSub->withSchema = pTopic->withSchema;
@@ -593,7 +594,7 @@ static SSdbRow *mndSubActionDecode(SSdbRaw *pRaw) {
   int32_t dataPos = 0;
   int32_t tlen;
   SDB_GET_INT32(pRaw, dataPos, &tlen, SUB_DECODE_OVER);
-  buf = taosMemoryMalloc(tlen + 1);
+  buf = taosMemoryMalloc(tlen);
   if (buf == NULL) goto SUB_DECODE_OVER;
   SDB_GET_BINARY(pRaw, dataPos, buf, tlen, SUB_DECODE_OVER);
   SDB_GET_RESERVE(pRaw, dataPos, MND_SUBSCRIBE_RESERVE_SIZE, SUB_DECODE_OVER);
@@ -679,3 +680,36 @@ static int32_t mndProcessSubscribeInternalRsp(SNodeMsg *pRsp) {
   mndTransProcessRsp(pRsp);
   return 0;
 }
+
+static int32_t mndSetDropSubCommitLogs(SMnode *pMnode, STrans *pTrans, SMqSubscribeObj *pSub) {
+  SSdbRaw *pCommitRaw = mndSubActionEncode(pSub);
+  if (pCommitRaw == NULL) return -1;
+  if (mndTransAppendCommitlog(pTrans, pCommitRaw) != 0) return -1;
+  if (sdbSetRawStatus(pCommitRaw, SDB_STATUS_DROPPED) != 0) return -1;
+  return 0;
+}
+
+int32_t mndDropSubByDB(SMnode *pMnode, STrans *pTrans, SDbObj *pDb) {
+  int32_t code = -1;
+  SSdb   *pSdb = pMnode->pSdb;
+
+  void            *pIter = NULL;
+  SMqSubscribeObj *pSub = NULL;
+  while (1) {
+    pIter = sdbFetch(pSdb, SDB_SUBSCRIBE, pIter, (void **)&pSub);
+    if (pIter == NULL) break;
+
+    if (pSub->dbUid != pDb->uid) {
+      sdbRelease(pSdb, pSub);
+      continue;
+    }
+
+    if (mndSetDropSubCommitLogs(pMnode, pTrans, pSub) < 0) {
+      goto END;
+    }
+  }
+
+  code = 0;
+END:
+  return code;
+}

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

@@ -38,6 +38,8 @@ static int32_t mndProcessDropTopicInRsp(SNodeMsg *pRsp);
 static int32_t mndRetrieveTopic(SNodeMsg *pReq, SShowObj *pShow, SSDataBlock *pBlock, int32_t rows);
 static void    mndCancelGetNextTopic(SMnode *pMnode, void *pIter);
 
+static int32_t mndSetDropTopicCommitLogs(SMnode *pMnode, STrans *pTrans, SMqTopicObj *pTopic);
+
 int32_t mndInitTopic(SMnode *pMnode) {
   SSdbTable table = {.sdbType = SDB_TOPIC,
                      .keyType = SDB_KEY_BINARY,
@@ -553,7 +555,41 @@ static int32_t mndRetrieveTopic(SNodeMsg *pReq, SShowObj *pShow, SSDataBlock *pB
   return numOfRows;
 }
 
+static int32_t mndSetDropTopicCommitLogs(SMnode *pMnode, STrans *pTrans, SMqTopicObj *pTopic) {
+  SSdbRaw *pCommitRaw = mndTopicActionEncode(pTopic);
+  if (pCommitRaw == NULL) return -1;
+  if (mndTransAppendCommitlog(pTrans, pCommitRaw) != 0) return -1;
+  if (sdbSetRawStatus(pCommitRaw, SDB_STATUS_DROPPED) != 0) return -1;
+
+  return 0;
+}
+
 static void mndCancelGetNextTopic(SMnode *pMnode, void *pIter) {
   SSdb *pSdb = pMnode->pSdb;
   sdbCancelFetch(pSdb, pIter);
 }
+
+int32_t mndDropTopicByDB(SMnode *pMnode, STrans *pTrans, SDbObj *pDb) {
+  int32_t code = -1;
+  SSdb   *pSdb = pMnode->pSdb;
+
+  void        *pIter = NULL;
+  SMqTopicObj *pTopic = NULL;
+  while (1) {
+    pIter = sdbFetch(pSdb, SDB_TOPIC, pIter, (void **)&pTopic);
+    if (pIter == NULL) break;
+
+    if (pTopic->dbUid != pDb->uid) {
+      sdbRelease(pSdb, pTopic);
+      continue;
+    }
+
+    if (mndSetDropTopicCommitLogs(pMnode, pTrans, pTopic) < 0) {
+      goto END;
+    }
+  }
+
+  code = 0;
+END:
+  return code;
+}

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

@@ -58,6 +58,48 @@ void tqClose(STQ* pTq) {
   // TODO
 }
 
+static void tdSRowDemo() {
+#define DEMO_N_COLS 3
+
+  int16_t     schemaVersion = 0;
+  int32_t     numOfCols = DEMO_N_COLS;  // ts + int
+  SRowBuilder rb = {0};
+
+  SSchema schema[DEMO_N_COLS] = {
+      {.type = TSDB_DATA_TYPE_TIMESTAMP, .colId = 1, .name = "ts", .bytes = 8, .flags = SCHEMA_SMA_ON},
+      {.type = TSDB_DATA_TYPE_INT, .colId = 2, .name = "c1", .bytes = 4, .flags = SCHEMA_SMA_ON},
+      {.type = TSDB_DATA_TYPE_INT, .colId = 3, .name = "c2", .bytes = 4, .flags = SCHEMA_SMA_ON}};
+
+  SSchema*  pSchema = schema;
+  STSchema* pTSChema = tdGetSTSChemaFromSSChema(&pSchema, numOfCols);
+
+  tdSRowInit(&rb, schemaVersion);
+  tdSRowSetTpInfo(&rb, numOfCols, pTSChema->flen);
+  int32_t maxLen = TD_ROW_MAX_BYTES_FROM_SCHEMA(pTSChema);
+  void*   row = taosMemoryCalloc(1, maxLen);  // make sure the buffer is enough
+
+  // set row buf
+  tdSRowResetBuf(&rb, row);
+
+  for (int32_t idx = 0; idx < pTSChema->numOfCols; ++idx) {
+    STColumn* pColumn = pTSChema->columns + idx;
+    if (idx == 0) {
+      int64_t tsKey = 1651234567;
+      tdAppendColValToRow(&rb, pColumn->colId, pColumn->type, TD_VTYPE_NORM, &tsKey, true, pColumn->offset, idx);
+    } else if (idx == 1) {
+      int32_t val1 = 10;
+      tdAppendColValToRow(&rb, pColumn->colId, pColumn->type, TD_VTYPE_NORM, &val1, true, pColumn->offset, idx);
+    } else {
+      tdAppendColValToRow(&rb, pColumn->colId, pColumn->type, TD_VTYPE_NONE, NULL, true, pColumn->offset, idx);
+    }
+  }
+
+  // print
+  tdSRowPrint(row, pTSChema, __func__);
+
+  taosMemoryFree(pTSChema);
+}
+
 int32_t tqPushMsgNew(STQ* pTq, void* msg, int32_t msgLen, tmsg_t msgType, int64_t ver) {
   if (msgType != TDMT_VND_SUBMIT) return 0;
   void*       pIter = NULL;

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

@@ -45,47 +45,6 @@ int vnodePreprocessWriteReqs(SVnode *pVnode, SArray *pMsgs, int64_t *version) {
 #endif
   return 0;
 }
-static void tdSRowDemo() {
-#define DEMO_N_COLS 3
-
-  int16_t     schemaVersion = 0;
-  int32_t     numOfCols = DEMO_N_COLS;  // ts + int
-  SRowBuilder rb = {0};
-
-  SSchema schema[DEMO_N_COLS] = {
-      {.type = TSDB_DATA_TYPE_TIMESTAMP, .colId = 1, .name = "ts", .bytes = 8, .flags = SCHEMA_SMA_ON},
-      {.type = TSDB_DATA_TYPE_INT, .colId = 2, .name = "c1", .bytes = 4, .flags = SCHEMA_SMA_ON},
-      {.type = TSDB_DATA_TYPE_INT, .colId = 3, .name = "c2", .bytes = 4, .flags = SCHEMA_SMA_ON}};
-
-  SSchema  *pSchema = schema;
-  STSchema *pTSChema = tdGetSTSChemaFromSSChema(&pSchema, numOfCols);
-
-  tdSRowInit(&rb, schemaVersion);
-  tdSRowSetTpInfo(&rb, numOfCols, pTSChema->flen);
-  int32_t maxLen = TD_ROW_MAX_BYTES_FROM_SCHEMA(pTSChema);
-  void   *row = taosMemoryCalloc(1, maxLen);  // make sure the buffer is enough
-
-  // set row buf
-  tdSRowResetBuf(&rb, row);
-
-  for (int32_t idx = 0; idx < pTSChema->numOfCols; ++idx) {
-    STColumn *pColumn = pTSChema->columns + idx;
-    if (idx == 0) {
-      int64_t tsKey = 1651234567;
-      tdAppendColValToRow(&rb, pColumn->colId, pColumn->type, TD_VTYPE_NORM, &tsKey, true, pColumn->offset, idx);
-    } else if (idx == 1) {
-      int32_t val1 = 10;
-      tdAppendColValToRow(&rb, pColumn->colId, pColumn->type, TD_VTYPE_NORM, &val1, true, pColumn->offset, idx);
-    } else {
-      tdAppendColValToRow(&rb, pColumn->colId, pColumn->type, TD_VTYPE_NONE, NULL, true, pColumn->offset, idx);
-    }
-  }
-
-  // print
-  tdSRowPrint(row, pTSChema, __func__);
-
-  taosMemoryFree(pTSChema);
-}
 
 int vnodeProcessWriteReq(SVnode *pVnode, SRpcMsg *pMsg, int64_t version, SRpcMsg *pRsp) {
   void *ptr = NULL;

source/libs/stream/src/tstream.c

@@ -28,6 +28,7 @@ static int32_t streamBuildDispatchMsg(SStreamTask* pTask, SArray* data, SRpcMsg*
   if (buf == NULL) {
     return -1;
   }
+
   if (pTask->dispatchType == TASK_DISPATCH__INPLACE) {
     ((SMsgHead*)buf)->vgId = 0;
     req.taskId = pTask->inplaceDispatcher.taskId;