#3798

Committed 31 Mar 2025 10:39AM UTC coverage: 9.424% (-20.9%) from 30.372%

Build # #3798

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happyguoxy

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test:add test cases

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

/*
 * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
 *
 * This program is free software: you can use, redistribute, and/or modify
 * it under the terms of the GNU Affero General Public License, version 3
 * or later ("AGPL"), as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#include "mndStream.h"
#include "mndTrans.h"

#define MAX_CHKPT_EXEC_ELAPSED (600*1000*3)  // 600s

typedef struct SKeyInfo {
  void   *pKey;
  int32_t keyLen;
} SKeyInfo;

static bool identicalName(const char *pDb, const char *pParam, int32_t len) {
  return (strlen(pDb) == len) && (strncmp(pDb, pParam, len) == 0);
}

int32_t mndStreamRegisterTrans(STrans *pTrans, const char *pTransName, int64_t streamId) {
  SStreamTransInfo info = {
      .transId = pTrans->id, .startTime = taosGetTimestampMs(), .name = pTransName, .streamId = streamId};
  return taosHashPut(execInfo.transMgmt.pDBTrans, &streamId, sizeof(streamId), &info, sizeof(SStreamTransInfo));
}

int32_t mndStreamClearFinishedTrans(SMnode *pMnode, int32_t *pNumOfActiveChkpt, SArray*pLongChkptTrans) {
  size_t  keyLen = 0;
  void   *pIter = NULL;
  SArray *pList = taosArrayInit(4, sizeof(SKeyInfo));
  int32_t numOfChkpt = 0;
  int64_t now = taosGetTimestampMs();

  if (pNumOfActiveChkpt != NULL) {
    *pNumOfActiveChkpt = 0;
  }

  if (pList == NULL) {
    return terrno;
  }

  while ((pIter = taosHashIterate(execInfo.transMgmt.pDBTrans, pIter)) != NULL) {
    SStreamTransInfo *pEntry = (SStreamTransInfo *)pIter;

    // let's clear the finished trans
    STrans *pTrans = mndAcquireTrans(pMnode, pEntry->transId);
    if (pTrans == NULL) {
      void *pKey = taosHashGetKey(pEntry, &keyLen);
      // key is the name of src/dst db name
      SKeyInfo info = {.pKey = pKey, .keyLen = keyLen};
      mDebug("transId:%d stream:0x%" PRIx64 " %s startTs:%" PRId64 " cleared since finished", pEntry->transId,
             pEntry->streamId, pEntry->name, pEntry->startTime);
      void* p = taosArrayPush(pList, &info);
      if (p == NULL) {
        return terrno;
      }
    } else {
      if (strcmp(pEntry->name, MND_STREAM_CHECKPOINT_NAME) == 0) {
        numOfChkpt++;

        // last for 10min, kill it
        int64_t dur = now - pTrans->createdTime;
        if ((dur >= MAX_CHKPT_EXEC_ELAPSED) && (pLongChkptTrans != NULL)) {
          mInfo("long chkpt transId:%d, start:%" PRId64
                " exec duration:%.2fs, beyond threshold %.2f min, kill it and reset task status",
                pTrans->id, pTrans->createdTime, dur / 1000.0, MAX_CHKPT_EXEC_ELAPSED/(1000*60.0));
          void* p = taosArrayPush(pLongChkptTrans, pEntry);
          if (p == NULL) {
            mError("failed to add long checkpoint trans, transId:%d, code:%s", pEntry->transId, tstrerror(terrno));
          }
        }
      }
      mndReleaseTrans(pMnode, pTrans);
    }
  }

  int32_t size = taosArrayGetSize(pList);
  for (int32_t i = 0; i < size; ++i) {
    SKeyInfo *pKey = taosArrayGet(pList, i);
    if (pKey == NULL) {
      continue;
    }

    int32_t code = taosHashRemove(execInfo.transMgmt.pDBTrans, pKey->pKey, pKey->keyLen);
    if (code != 0) {
      taosArrayDestroy(pList);
      return code;
    }
  }

  mDebug("clear %d finished stream-trans, active trans:%d, active checkpoint trans:%d", size,
         taosHashGetSize(execInfo.transMgmt.pDBTrans), numOfChkpt);

  taosArrayDestroy(pList);

  if (pNumOfActiveChkpt != NULL) {
    *pNumOfActiveChkpt = numOfChkpt;
  }

  return 0;
}

static int32_t doStreamTransConflictCheck(SMnode *pMnode, int64_t streamId, const char *pTransName) {
  int32_t num = taosHashGetSize(execInfo.transMgmt.pDBTrans);
  if (num <= 0) {
    return 0;
  }

  // if any task updates exist, any other stream trans are not allowed to be created
  int32_t code = mndStreamClearFinishedTrans(pMnode, NULL, NULL);
  if (code) {
    mError("failed to clear finish trans, code:%s, and continue", tstrerror(code));
  }

  SStreamTransInfo *pEntry = taosHashGet(execInfo.transMgmt.pDBTrans, &streamId, sizeof(streamId));
  if (pEntry != NULL) {
    SStreamTransInfo tInfo = *pEntry;

    if (strcmp(tInfo.name, MND_STREAM_CHECKPOINT_NAME) == 0) {
      if ((strcmp(pTransName, MND_STREAM_DROP_NAME) != 0) && (strcmp(pTransName, MND_STREAM_TASK_RESET_NAME) != 0) &&
          (strcmp(pTransName, MND_STREAM_STOP_NAME) != 0)) {
        mWarn("conflict with other transId:%d streamUid:0x%" PRIx64 ", trans:%s", tInfo.transId, tInfo.streamId,
              tInfo.name);
        return TSDB_CODE_MND_TRANS_CONFLICT;
      } else {
        mDebug("not conflict with checkpoint trans, name:%s, continue creating trans", pTransName);
      }
    } else if ((strcmp(tInfo.name, MND_STREAM_CREATE_NAME) == 0) || (strcmp(tInfo.name, MND_STREAM_DROP_NAME) == 0) ||
               (strcmp(tInfo.name, MND_STREAM_TASK_RESET_NAME) == 0) ||
               (strcmp(tInfo.name, MND_STREAM_TASK_UPDATE_NAME) == 0) ||
               (strcmp(tInfo.name, MND_STREAM_CHKPT_CONSEN_NAME) == 0) ||
               strcmp(tInfo.name, MND_STREAM_STOP_NAME) == 0) {
      mWarn("conflict with other transId:%d streamUid:0x%" PRIx64 ", trans:%s", tInfo.transId, tInfo.streamId,
            tInfo.name);
      return TSDB_CODE_MND_TRANS_CONFLICT;
    }
  } else {
    mDebug("stream:0x%" PRIx64 " no conflict trans existed, continue create trans", streamId);
  }

  return TSDB_CODE_SUCCESS;
}

// * Transactions of different streams are not related. Here only check the conflict of transaction for a given stream.
// For a given stream:
// 1. checkpoint trans is conflict with any other trans except for the drop and reset trans.
// 2. create/drop/reset/update/chkpt-consensus trans are conflict with any other trans.
int32_t mndStreamTransConflictCheck(SMnode *pMnode, int64_t streamId, const char *pTransName, bool lock) {
  if (lock) {
    streamMutexLock(&execInfo.lock);
  }

  int32_t code = doStreamTransConflictCheck(pMnode, streamId, pTransName);

  if (lock) {
    streamMutexUnlock(&execInfo.lock);
  }

  return code;
}

int32_t mndStreamGetRelTrans(SMnode *pMnode, int64_t streamId) {
  streamMutexLock(&execInfo.lock);
  int32_t num = taosHashGetSize(execInfo.transMgmt.pDBTrans);
  if (num <= 0) {
    streamMutexUnlock(&execInfo.lock);
    return 0;
  }

  int32_t code = mndStreamClearFinishedTrans(pMnode, NULL, NULL);
  if (code) {
    mError("failed to clear finish trans, code:%s", tstrerror(code));
  }

  SStreamTransInfo *pEntry = taosHashGet(execInfo.transMgmt.pDBTrans, &streamId, sizeof(streamId));
  if (pEntry != NULL) {
    SStreamTransInfo tInfo = *pEntry;
    streamMutexUnlock(&execInfo.lock);

    if (strcmp(tInfo.name, MND_STREAM_CHECKPOINT_NAME) == 0 || strcmp(tInfo.name, MND_STREAM_TASK_UPDATE_NAME) == 0 ||
        strcmp(tInfo.name, MND_STREAM_CHKPT_UPDATE_NAME) == 0) {
      return tInfo.transId;
    }
  } else {
    streamMutexUnlock(&execInfo.lock);
  }

  return 0;
}

int32_t doCreateTrans(SMnode *pMnode, SStreamObj *pStream, SRpcMsg *pReq, ETrnConflct conflict, const char *name,
                      const char *pMsg, STrans **pTrans1) {
  *pTrans1 = NULL;
  terrno = 0;

  int32_t code = 0;
  STrans *p = mndTransCreate(pMnode, TRN_POLICY_RETRY, conflict, pReq, name);
  if (p == NULL) {
    mError("failed to build trans:%s, reason: %s", name, tstrerror(terrno));
    return terrno;
  }

  mInfo("stream:0x%" PRIx64 " start to build trans %s, transId:%d", pStream->uid, pMsg, p->id);

  mndTransSetDbName(p, pStream->sourceDb, pStream->targetSTbName);
  if ((code = mndTransCheckConflict(pMnode, p)) != 0) {
    mError("failed to build trans:%s for stream:0x%" PRIx64 " code:%s", name, pStream->uid, tstrerror(terrno));
    mndTransDrop(p);
    return code;
  }

  *pTrans1 = p;
  return code;
}

SSdbRaw *mndStreamActionEncode(SStreamObj *pStream) {
  int32_t code = 0;
  int32_t lino = 0;
  void   *buf = NULL;

  SEncoder encoder;
  tEncoderInit(&encoder, NULL, 0);
  if ((code = tEncodeSStreamObj(&encoder, pStream)) < 0) {
    tEncoderClear(&encoder);
    TSDB_CHECK_CODE(code, lino, _over);
  }

  int32_t tlen = encoder.pos;
  tEncoderClear(&encoder);

  int32_t  size = sizeof(int32_t) + tlen + MND_STREAM_RESERVE_SIZE;
  SSdbRaw *pRaw = sdbAllocRaw(SDB_STREAM, MND_STREAM_VER_NUMBER, size);
  TSDB_CHECK_NULL(pRaw, code, lino, _over, terrno);

  buf = taosMemoryMalloc(tlen);
  TSDB_CHECK_NULL(buf, code, lino, _over, terrno);

  tEncoderInit(&encoder, buf, tlen);
  if ((code = tEncodeSStreamObj(&encoder, pStream)) < 0) {
    tEncoderClear(&encoder);
    TSDB_CHECK_CODE(code, lino, _over);
  }

  tEncoderClear(&encoder);

  int32_t dataPos = 0;
  SDB_SET_INT32(pRaw, dataPos, tlen, _over);
  SDB_SET_BINARY(pRaw, dataPos, buf, tlen, _over);
  SDB_SET_DATALEN(pRaw, dataPos, _over);

_over:
  taosMemoryFreeClear(buf);
  if (code != TSDB_CODE_SUCCESS) {
    mError("stream:%s, failed to encode to raw:%p at line:%d since %s", pStream->name, pRaw, lino, tstrerror(code));
    sdbFreeRaw(pRaw);
    terrno = code;
    return NULL;
  }

  terrno = 0;
  mTrace("stream:%s, encode to raw:%p, row:%p, checkpoint:%" PRId64, pStream->name, pRaw, pStream,
         pStream->checkpointId);
  return pRaw;
}

int32_t mndPersistTransLog(SStreamObj *pStream, STrans *pTrans, int32_t status) {
  SSdbRaw *pCommitRaw = mndStreamActionEncode(pStream);
  if (pCommitRaw == NULL) {
    mError("failed to encode stream since %s", terrstr());
    mndTransDrop(pTrans);
    return terrno;
  }

  if (mndTransAppendCommitlog(pTrans, pCommitRaw) != 0) {
    mError("stream trans:%d, failed to append commit log since %s", pTrans->id, terrstr());
    sdbFreeRaw(pCommitRaw);
    mndTransDrop(pTrans);
    return terrno;
  }

  if (sdbSetRawStatus(pCommitRaw, status) != 0) {
    mError("stream trans:%d failed to set raw status:%d since %s", pTrans->id, status, terrstr());
    sdbFreeRaw(pCommitRaw);
    mndTransDrop(pTrans);
    return terrno;
  }

  return 0;
}

int32_t setTransAction(STrans *pTrans, void *pCont, int32_t contLen, int32_t msgType, const SEpSet *pEpset,
                       int32_t retryCode, int32_t acceptCode) {
  STransAction action = {.epSet = *pEpset,
                         .contLen = contLen,
                         .pCont = pCont,
                         .msgType = msgType,
                         .retryCode = retryCode,
                         .acceptableCode = acceptCode};
  return mndTransAppendRedoAction(pTrans, &action);
}

bool isNodeUpdateTransActive() {
  bool  exist = false;
  void *pIter = NULL;

  streamMutexLock(&execInfo.lock);

  while ((pIter = taosHashIterate(execInfo.transMgmt.pDBTrans, pIter)) != NULL) {
    SStreamTransInfo *pTransInfo = (SStreamTransInfo *)pIter;
    if (strcmp(pTransInfo->name, MND_STREAM_TASK_UPDATE_NAME) == 0) {
      mDebug("stream:0x%" PRIx64 " %s st:%" PRId64 " is in task nodeEp update, create new stream not allowed",
             pTransInfo->streamId, pTransInfo->name, pTransInfo->startTime);
      exist = true;
    }
  }

  streamMutexUnlock(&execInfo.lock);
  return exist;
}

int32_t doKillCheckpointTrans(SMnode *pMnode, const char *pDBName, size_t len) {
  void *pIter = NULL;

  while ((pIter = taosHashIterate(execInfo.transMgmt.pDBTrans, pIter)) != NULL) {
    SStreamTransInfo *pTransInfo = (SStreamTransInfo *)pIter;
    if (strcmp(pTransInfo->name, MND_STREAM_CHECKPOINT_NAME) != 0) {
      continue;
    }

    SStreamObj *pStream = NULL;
    int32_t code = mndGetStreamObj(pMnode, pTransInfo->streamId, &pStream);
    if (pStream != NULL && code == 0) {
      if (identicalName(pStream->sourceDb, pDBName, len)) {
        mndKillTransImpl(pMnode, pTransInfo->transId, pStream->sourceDb);
      } else if (identicalName(pStream->targetDb, pDBName, len)) {
        mndKillTransImpl(pMnode, pTransInfo->transId, pStream->targetDb);
      }

      mndReleaseStream(pMnode, pStream);
    }
  }

  return TSDB_CODE_SUCCESS;
}

// kill all trans in the dst DB
void killAllCheckpointTrans(SMnode *pMnode, SVgroupChangeInfo *pChangeInfo) {
  mDebug("start to clear checkpoints in all Dbs");
  char p[128] = {0};

  void *pIter = NULL;
  while ((pIter = taosHashIterate(pChangeInfo->pDBMap, pIter)) != NULL) {
    char *pDb = (char *)pIter;

    size_t len = 0;
    void  *pKey = taosHashGetKey(pDb, &len);
    int cpLen = (127 < len) ? 127 : len;
    TAOS_STRNCPY(p, pKey, cpLen);
    p[cpLen] = '\0';

    int32_t code = doKillCheckpointTrans(pMnode, pKey, len);
    if (code) {
      mError("failed to kill trans, transId:%p", pKey);
    } else {
      mDebug("clear checkpoint trans in Db:%s", p);
    }
  }

  mDebug("complete clear checkpoints in all Dbs");
}

void killChkptAndResetStreamTask(SMnode *pMnode, SArray* pLongChkpts) {
  int32_t code = 0;
  int64_t now = taosGetTimestampMs();
  int32_t num = taosArrayGetSize(pLongChkpts);

  mInfo("start to kill %d long checkpoint trans", num);

  for(int32_t i = 0; i < num; ++i) {
    SStreamTransInfo* pTrans = (SStreamTransInfo*) taosArrayGet(pLongChkpts, i);
    if (pTrans == NULL) {
      continue;
    }

    double el = (now - pTrans->startTime) / 1000.0;
    mInfo("stream:0x%" PRIx64 " start to kill ongoing long checkpoint transId:%d, elapsed time:%.2fs. killed",
          pTrans->streamId, pTrans->transId, el);

    SStreamObj *p = NULL;
    code = mndGetStreamObj(pMnode, pTrans->streamId, &p);
    if (code == 0 && p != NULL) {
      mndKillTransImpl(pMnode, pTrans->transId, p->sourceDb);

      mDebug("stream:%s 0x%" PRIx64 " transId:%d checkpointId:%" PRId64 " create reset task trans", p->name,
             pTrans->streamId, pTrans->transId, p->checkpointId);

      code = mndCreateStreamResetStatusTrans(pMnode, p, p->checkpointId);
      if (code) {
        mError("stream:%s 0x%"PRIx64" failed to create reset stream task, code:%s", p->name, p->uid, tstrerror(code));
      }
      sdbRelease(pMnode->pSdb, p);
    }
  }
}

1	/*
2	* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
3	*
4	* This program is free software: you can use, redistribute, and/or modify
5	* it under the terms of the GNU Affero General Public License, version 3
6	* or later ("AGPL"), as published by the Free Software Foundation.
7	*
8	* This program is distributed in the hope that it will be useful, but WITHOUT
9	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10	* FITNESS FOR A PARTICULAR PURPOSE.
11	*
12	* You should have received a copy of the GNU Affero General Public License
13	* along with this program. If not, see <http://www.gnu.org/licenses/>.
14	*/
15
16	#include "mndStream.h"
17	#include "mndTrans.h"
18
19	#define MAX_CHKPT_EXEC_ELAPSED (60010003) // 600s
20
21	typedef struct SKeyInfo {
22	void *pKey;
23	int32_t keyLen;
24	} SKeyInfo;
25
26	static bool identicalName(const char pDb, const char pParam, int32_t len) {	×
27	return (strlen(pDb) == len) && (strncmp(pDb, pParam, len) == 0);	×
28	}
29
30	int32_t mndStreamRegisterTrans(STrans pTrans, const char pTransName, int64_t streamId) {	×
31	SStreamTransInfo info = {	×
32	.transId = pTrans->id, .startTime = taosGetTimestampMs(), .name = pTransName, .streamId = streamId};	×
33	return taosHashPut(execInfo.transMgmt.pDBTrans, &streamId, sizeof(streamId), &info, sizeof(SStreamTransInfo));	×
34	}
35
36	int32_t mndStreamClearFinishedTrans(SMnode pMnode, int32_t pNumOfActiveChkpt, SArray*pLongChkptTrans) {	×
37	size_t keyLen = 0;	×
38	void *pIter = NULL;	×
39	SArray *pList = taosArrayInit(4, sizeof(SKeyInfo));	×
40	int32_t numOfChkpt = 0;	×
41	int64_t now = taosGetTimestampMs();	×
42
43	if (pNumOfActiveChkpt != NULL) {	×
44	*pNumOfActiveChkpt = 0;	×
45	}
46
47	if (pList == NULL) {	×
48	return terrno;	×
49	}
50
51	while ((pIter = taosHashIterate(execInfo.transMgmt.pDBTrans, pIter)) != NULL) {	×
52	SStreamTransInfo pEntry = (SStreamTransInfo )pIter;	×
53
54	// let's clear the finished trans
55	STrans *pTrans = mndAcquireTrans(pMnode, pEntry->transId);	×
56	if (pTrans == NULL) {	×
57	void *pKey = taosHashGetKey(pEntry, &keyLen);	×
58	// key is the name of src/dst db name
59	SKeyInfo info = {.pKey = pKey, .keyLen = keyLen};	×
60	mDebug("transId:%d stream:0x%" PRIx64 " %s startTs:%" PRId64 " cleared since finished", pEntry->transId,	×
61	pEntry->streamId, pEntry->name, pEntry->startTime);
62	void* p = taosArrayPush(pList, &info);	×
63	if (p == NULL) {	×
64	return terrno;	×
65	}
66	} else {
67	if (strcmp(pEntry->name, MND_STREAM_CHECKPOINT_NAME) == 0) {	×
68	numOfChkpt++;	×
69
70	// last for 10min, kill it
71	int64_t dur = now - pTrans->createdTime;	×
72	if ((dur >= MAX_CHKPT_EXEC_ELAPSED) && (pLongChkptTrans != NULL)) {	×
73	mInfo("long chkpt transId:%d, start:%" PRId64	×
74	" exec duration:%.2fs, beyond threshold %.2f min, kill it and reset task status",
75	pTrans->id, pTrans->createdTime, dur / 1000.0, MAX_CHKPT_EXEC_ELAPSED/(1000*60.0));
76	void* p = taosArrayPush(pLongChkptTrans, pEntry);	×
77	if (p == NULL) {	×
78	mError("failed to add long checkpoint trans, transId:%d, code:%s", pEntry->transId, tstrerror(terrno));	×
79	}
80	}
81	}
82	mndReleaseTrans(pMnode, pTrans);	×
83	}
84	}
85
86	int32_t size = taosArrayGetSize(pList);	×
87	for (int32_t i = 0; i < size; ++i) {	×
88	SKeyInfo *pKey = taosArrayGet(pList, i);	×
89	if (pKey == NULL) {	×
90	continue;	×
91	}
92
93	int32_t code = taosHashRemove(execInfo.transMgmt.pDBTrans, pKey->pKey, pKey->keyLen);	×
94	if (code != 0) {	×
95	taosArrayDestroy(pList);	×
96	return code;	×
97	}
98	}
99
100	mDebug("clear %d finished stream-trans, active trans:%d, active checkpoint trans:%d", size,	×
101	taosHashGetSize(execInfo.transMgmt.pDBTrans), numOfChkpt);
102
103	taosArrayDestroy(pList);	×
104
105	if (pNumOfActiveChkpt != NULL) {	×
106	*pNumOfActiveChkpt = numOfChkpt;	×
107	}
108
109	return 0;	×
110	}
111
112	static int32_t doStreamTransConflictCheck(SMnode pMnode, int64_t streamId, const char pTransName) {	×
113	int32_t num = taosHashGetSize(execInfo.transMgmt.pDBTrans);	×
114	if (num <= 0) {	×
115	return 0;	×
116	}
117
118	// if any task updates exist, any other stream trans are not allowed to be created
119	int32_t code = mndStreamClearFinishedTrans(pMnode, NULL, NULL);	×
120	if (code) {	×
121	mError("failed to clear finish trans, code:%s, and continue", tstrerror(code));	×
122	}
123
124	SStreamTransInfo *pEntry = taosHashGet(execInfo.transMgmt.pDBTrans, &streamId, sizeof(streamId));	×
125	if (pEntry != NULL) {	×
126	SStreamTransInfo tInfo = *pEntry;	×
127
128	if (strcmp(tInfo.name, MND_STREAM_CHECKPOINT_NAME) == 0) {	×
129	if ((strcmp(pTransName, MND_STREAM_DROP_NAME) != 0) && (strcmp(pTransName, MND_STREAM_TASK_RESET_NAME) != 0) &&	×
130	(strcmp(pTransName, MND_STREAM_STOP_NAME) != 0)) {	×
131	mWarn("conflict with other transId:%d streamUid:0x%" PRIx64 ", trans:%s", tInfo.transId, tInfo.streamId,	×
132	tInfo.name);
133	return TSDB_CODE_MND_TRANS_CONFLICT;	×
134	} else {
135	mDebug("not conflict with checkpoint trans, name:%s, continue creating trans", pTransName);	×
136	}
137	} else if ((strcmp(tInfo.name, MND_STREAM_CREATE_NAME) == 0) \|\| (strcmp(tInfo.name, MND_STREAM_DROP_NAME) == 0) \|\|	×
138	(strcmp(tInfo.name, MND_STREAM_TASK_RESET_NAME) == 0) \|\|	×
139	(strcmp(tInfo.name, MND_STREAM_TASK_UPDATE_NAME) == 0) \|\|	×
140	(strcmp(tInfo.name, MND_STREAM_CHKPT_CONSEN_NAME) == 0) \|\|	×
141	strcmp(tInfo.name, MND_STREAM_STOP_NAME) == 0) {	×
142	mWarn("conflict with other transId:%d streamUid:0x%" PRIx64 ", trans:%s", tInfo.transId, tInfo.streamId,	×
143	tInfo.name);
144	return TSDB_CODE_MND_TRANS_CONFLICT;	×
145	}
146	} else {
147	mDebug("stream:0x%" PRIx64 " no conflict trans existed, continue create trans", streamId);	×
148	}
149
150	return TSDB_CODE_SUCCESS;	×
151	}
152
153	// * Transactions of different streams are not related. Here only check the conflict of transaction for a given stream.
154	// For a given stream:
155	// 1. checkpoint trans is conflict with any other trans except for the drop and reset trans.
156	// 2. create/drop/reset/update/chkpt-consensus trans are conflict with any other trans.
157	int32_t mndStreamTransConflictCheck(SMnode pMnode, int64_t streamId, const char pTransName, bool lock) {	×
158	if (lock) {	×
159	streamMutexLock(&execInfo.lock);	×
160	}
161
162	int32_t code = doStreamTransConflictCheck(pMnode, streamId, pTransName);	×
163
164	if (lock) {	×
165	streamMutexUnlock(&execInfo.lock);	×
166	}
167
168	return code;	×
169	}
170
171	int32_t mndStreamGetRelTrans(SMnode *pMnode, int64_t streamId) {	×
172	streamMutexLock(&execInfo.lock);	×
173	int32_t num = taosHashGetSize(execInfo.transMgmt.pDBTrans);	×
174	if (num <= 0) {	×
175	streamMutexUnlock(&execInfo.lock);	×
176	return 0;	×
177	}
178
179	int32_t code = mndStreamClearFinishedTrans(pMnode, NULL, NULL);	×
180	if (code) {	×
181	mError("failed to clear finish trans, code:%s", tstrerror(code));	×
182	}
183
184	SStreamTransInfo *pEntry = taosHashGet(execInfo.transMgmt.pDBTrans, &streamId, sizeof(streamId));	×
185	if (pEntry != NULL) {	×
186	SStreamTransInfo tInfo = *pEntry;	×
187	streamMutexUnlock(&execInfo.lock);	×
188
189	if (strcmp(tInfo.name, MND_STREAM_CHECKPOINT_NAME) == 0 \|\| strcmp(tInfo.name, MND_STREAM_TASK_UPDATE_NAME) == 0 \|\|	×
190	strcmp(tInfo.name, MND_STREAM_CHKPT_UPDATE_NAME) == 0) {	×
191	return tInfo.transId;	×
192	}
193	} else {
194	streamMutexUnlock(&execInfo.lock);	×
195	}
196
197	return 0;	×
198	}
199
200	int32_t doCreateTrans(SMnode pMnode, SStreamObj pStream, SRpcMsg pReq, ETrnConflct conflict, const char name,	×
201	const char pMsg, STrans *pTrans1) {
202	*pTrans1 = NULL;	×
203	terrno = 0;	×
204
205	int32_t code = 0;	×
206	STrans *p = mndTransCreate(pMnode, TRN_POLICY_RETRY, conflict, pReq, name);	×
207	if (p == NULL) {	×
208	mError("failed to build trans:%s, reason: %s", name, tstrerror(terrno));	×
209	return terrno;	×
210	}
211
212	mInfo("stream:0x%" PRIx64 " start to build trans %s, transId:%d", pStream->uid, pMsg, p->id);	×
213
214	mndTransSetDbName(p, pStream->sourceDb, pStream->targetSTbName);	×
215	if ((code = mndTransCheckConflict(pMnode, p)) != 0) {	×
216	mError("failed to build trans:%s for stream:0x%" PRIx64 " code:%s", name, pStream->uid, tstrerror(terrno));	×
217	mndTransDrop(p);	×
218	return code;	×
219	}
220
221	*pTrans1 = p;	×
222	return code;	×
223	}
224
225	SSdbRaw mndStreamActionEncode(SStreamObj pStream) {	×
226	int32_t code = 0;	×
227	int32_t lino = 0;	×
228	void *buf = NULL;	×
229
230	SEncoder encoder;
231	tEncoderInit(&encoder, NULL, 0);	×
232	if ((code = tEncodeSStreamObj(&encoder, pStream)) < 0) {	×
233	tEncoderClear(&encoder);	×
234	TSDB_CHECK_CODE(code, lino, _over);	×
235	}
236
237	int32_t tlen = encoder.pos;	×
238	tEncoderClear(&encoder);	×
239
240	int32_t size = sizeof(int32_t) + tlen + MND_STREAM_RESERVE_SIZE;	×
241	SSdbRaw *pRaw = sdbAllocRaw(SDB_STREAM, MND_STREAM_VER_NUMBER, size);	×
242	TSDB_CHECK_NULL(pRaw, code, lino, _over, terrno);	×
243
244	buf = taosMemoryMalloc(tlen);	×
245	TSDB_CHECK_NULL(buf, code, lino, _over, terrno);	×
246
247	tEncoderInit(&encoder, buf, tlen);	×
248	if ((code = tEncodeSStreamObj(&encoder, pStream)) < 0) {	×
249	tEncoderClear(&encoder);	×
250	TSDB_CHECK_CODE(code, lino, _over);	×
251	}
252
253	tEncoderClear(&encoder);	×
254
255	int32_t dataPos = 0;	×
256	SDB_SET_INT32(pRaw, dataPos, tlen, _over);	×
257	SDB_SET_BINARY(pRaw, dataPos, buf, tlen, _over);	×
258	SDB_SET_DATALEN(pRaw, dataPos, _over);	×
259
260	_over:	×
261	taosMemoryFreeClear(buf);	×
262	if (code != TSDB_CODE_SUCCESS) {	×
263	mError("stream:%s, failed to encode to raw:%p at line:%d since %s", pStream->name, pRaw, lino, tstrerror(code));	×
264	sdbFreeRaw(pRaw);	×
265	terrno = code;	×
266	return NULL;	×
267	}
268
269	terrno = 0;	×
270	mTrace("stream:%s, encode to raw:%p, row:%p, checkpoint:%" PRId64, pStream->name, pRaw, pStream,	×
271	pStream->checkpointId);
272	return pRaw;	×
273	}
274
275	int32_t mndPersistTransLog(SStreamObj pStream, STrans pTrans, int32_t status) {	×
276	SSdbRaw *pCommitRaw = mndStreamActionEncode(pStream);	×
277	if (pCommitRaw == NULL) {	×
278	mError("failed to encode stream since %s", terrstr());	×
279	mndTransDrop(pTrans);	×
280	return terrno;	×
281	}
282
283	if (mndTransAppendCommitlog(pTrans, pCommitRaw) != 0) {	×
284	mError("stream trans:%d, failed to append commit log since %s", pTrans->id, terrstr());	×
285	sdbFreeRaw(pCommitRaw);	×
286	mndTransDrop(pTrans);	×
287	return terrno;	×
288	}
289
290	if (sdbSetRawStatus(pCommitRaw, status) != 0) {	×
291	mError("stream trans:%d failed to set raw status:%d since %s", pTrans->id, status, terrstr());	×
292	sdbFreeRaw(pCommitRaw);	×
293	mndTransDrop(pTrans);	×
294	return terrno;	×
295	}
296
297	return 0;	×
298	}
299
300	int32_t setTransAction(STrans pTrans, void pCont, int32_t contLen, int32_t msgType, const SEpSet *pEpset,	×
301	int32_t retryCode, int32_t acceptCode) {
302	STransAction action = {.epSet = *pEpset,	×
303	.contLen = contLen,
304	.pCont = pCont,
305	.msgType = msgType,
306	.retryCode = retryCode,
307	.acceptableCode = acceptCode};
308	return mndTransAppendRedoAction(pTrans, &action);	×
309	}
310
311	bool isNodeUpdateTransActive() {	×
312	bool exist = false;	×
313	void *pIter = NULL;	×
314
315	streamMutexLock(&execInfo.lock);	×
316
317	while ((pIter = taosHashIterate(execInfo.transMgmt.pDBTrans, pIter)) != NULL) {	×
318	SStreamTransInfo pTransInfo = (SStreamTransInfo )pIter;	×
319	if (strcmp(pTransInfo->name, MND_STREAM_TASK_UPDATE_NAME) == 0) {	×
320	mDebug("stream:0x%" PRIx64 " %s st:%" PRId64 " is in task nodeEp update, create new stream not allowed",	×
321	pTransInfo->streamId, pTransInfo->name, pTransInfo->startTime);
322	exist = true;	×
323	}
324	}
325
326	streamMutexUnlock(&execInfo.lock);	×
327	return exist;	×
328	}
329
330	int32_t doKillCheckpointTrans(SMnode pMnode, const char pDBName, size_t len) {	×
331	void *pIter = NULL;	×
332
333	while ((pIter = taosHashIterate(execInfo.transMgmt.pDBTrans, pIter)) != NULL) {	×
334	SStreamTransInfo pTransInfo = (SStreamTransInfo )pIter;	×
335	if (strcmp(pTransInfo->name, MND_STREAM_CHECKPOINT_NAME) != 0) {	×
336	continue;	×
337	}
338
339	SStreamObj *pStream = NULL;	×
340	int32_t code = mndGetStreamObj(pMnode, pTransInfo->streamId, &pStream);	×
341	if (pStream != NULL && code == 0) {	×
342	if (identicalName(pStream->sourceDb, pDBName, len)) {	×
343	mndKillTransImpl(pMnode, pTransInfo->transId, pStream->sourceDb);	×
344	} else if (identicalName(pStream->targetDb, pDBName, len)) {	×
345	mndKillTransImpl(pMnode, pTransInfo->transId, pStream->targetDb);	×
346	}
347
348	mndReleaseStream(pMnode, pStream);	×
349	}
350	}
351
352	return TSDB_CODE_SUCCESS;	×
353	}
354
355	// kill all trans in the dst DB
356	void killAllCheckpointTrans(SMnode pMnode, SVgroupChangeInfo pChangeInfo) {	×
357	mDebug("start to clear checkpoints in all Dbs");	×
358	char p[128] = {0};	×
359
360	void *pIter = NULL;	×
361	while ((pIter = taosHashIterate(pChangeInfo->pDBMap, pIter)) != NULL) {	×
362	char pDb = (char )pIter;	×
363
364	size_t len = 0;	×
365	void *pKey = taosHashGetKey(pDb, &len);	×
366	int cpLen = (127 < len) ? 127 : len;	×
367	TAOS_STRNCPY(p, pKey, cpLen);	×
368	p[cpLen] = '\0';	×
369
370	int32_t code = doKillCheckpointTrans(pMnode, pKey, len);	×
371	if (code) {	×
372	mError("failed to kill trans, transId:%p", pKey);	×
373	} else {
374	mDebug("clear checkpoint trans in Db:%s", p);	×
375	}
376	}
377
378	mDebug("complete clear checkpoints in all Dbs");	×
379	}	×
380
381	void killChkptAndResetStreamTask(SMnode pMnode, SArray pLongChkpts) {	×
382	int32_t code = 0;	×
383	int64_t now = taosGetTimestampMs();	×
384	int32_t num = taosArrayGetSize(pLongChkpts);	×
385
386	mInfo("start to kill %d long checkpoint trans", num);	×
387
388	for(int32_t i = 0; i < num; ++i) {	×
389	SStreamTransInfo* pTrans = (SStreamTransInfo*) taosArrayGet(pLongChkpts, i);	×
390	if (pTrans == NULL) {	×
391	continue;	×
392	}
393
394	double el = (now - pTrans->startTime) / 1000.0;	×
395	mInfo("stream:0x%" PRIx64 " start to kill ongoing long checkpoint transId:%d, elapsed time:%.2fs. killed",	×
396	pTrans->streamId, pTrans->transId, el);
397
398	SStreamObj *p = NULL;	×
399	code = mndGetStreamObj(pMnode, pTrans->streamId, &p);	×
400	if (code == 0 && p != NULL) {	×
401	mndKillTransImpl(pMnode, pTrans->transId, p->sourceDb);	×
402
403	mDebug("stream:%s 0x%" PRIx64 " transId:%d checkpointId:%" PRId64 " create reset task trans", p->name,	×
404	pTrans->streamId, pTrans->transId, p->checkpointId);
405
406	code = mndCreateStreamResetStatusTrans(pMnode, p, p->checkpointId);	×
407	if (code) {	×
408	mError("stream:%s 0x%"PRIx64" failed to create reset stream task, code:%s", p->name, p->uid, tstrerror(code));	×
409	}
410	sdbRelease(pMnode->pSdb, p);	×
411	}
412	}
413	}	×

taosdata / TDengine / #3798

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