#3599

Committed 08 Feb 2025 11:23AM UTC coverage: 1.77% (-61.6%) from 63.396%

Build # #3599

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push

travis-ci

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web-flow

Commit Message

Merge pull request #29712 from taosdata/fix/TD-33652-3.0

fix: reduce write rows from 30w to 3w

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3776 of 278949 branches covered (1.35%)

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0.0

/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"

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) {
  size_t  keyLen = 0;
  void   *pIter = NULL;
  SArray *pList = taosArrayInit(4, sizeof(SKeyInfo));
  int32_t numOfChkpt = 0;

  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++;
      }
      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);
  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_RESTART_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_RESTART_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 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);
  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");
}

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	typedef struct SKeyInfo {
20	void *pKey;
21	int32_t keyLen;
22	} SKeyInfo;
23
24	static bool identicalName(const char pDb, const char pParam, int32_t len) {	×
25	return (strlen(pDb) == len) && (strncmp(pDb, pParam, len) == 0);	×
26	}
27
28	int32_t mndStreamRegisterTrans(STrans pTrans, const char pTransName, int64_t streamId) {	×
29	SStreamTransInfo info = {	×
30	.transId = pTrans->id, .startTime = taosGetTimestampMs(), .name = pTransName, .streamId = streamId};	×
31	return taosHashPut(execInfo.transMgmt.pDBTrans, &streamId, sizeof(streamId), &info, sizeof(SStreamTransInfo));	×
32	}
33
34	int32_t mndStreamClearFinishedTrans(SMnode pMnode, int32_t pNumOfActiveChkpt) {	×
35	size_t keyLen = 0;	×
36	void *pIter = NULL;	×
37	SArray *pList = taosArrayInit(4, sizeof(SKeyInfo));	×
38	int32_t numOfChkpt = 0;	×
39
40	if (pNumOfActiveChkpt != NULL) {	×
41	*pNumOfActiveChkpt = 0;	×
42	}
43
44	if (pList == NULL) {	×
45	return terrno;	×
46	}
47
48	while ((pIter = taosHashIterate(execInfo.transMgmt.pDBTrans, pIter)) != NULL) {	×
49	SStreamTransInfo pEntry = (SStreamTransInfo )pIter;	×
50
51	// let's clear the finished trans
52	STrans *pTrans = mndAcquireTrans(pMnode, pEntry->transId);	×
53	if (pTrans == NULL) {	×
54	void *pKey = taosHashGetKey(pEntry, &keyLen);	×
55	// key is the name of src/dst db name
56	SKeyInfo info = {.pKey = pKey, .keyLen = keyLen};	×
57	mDebug("transId:%d stream:0x%" PRIx64 " %s startTs:%" PRId64 " cleared since finished", pEntry->transId,	×
58	pEntry->streamId, pEntry->name, pEntry->startTime);
59	void* p = taosArrayPush(pList, &info);	×
60	if (p == NULL) {	×
61	return terrno;	×
62	}
63	} else {
64	if (strcmp(pEntry->name, MND_STREAM_CHECKPOINT_NAME) == 0) {	×
65	numOfChkpt++;	×
66	}
67	mndReleaseTrans(pMnode, pTrans);	×
68	}
69	}
70
71	int32_t size = taosArrayGetSize(pList);	×
72	for (int32_t i = 0; i < size; ++i) {	×
73	SKeyInfo *pKey = taosArrayGet(pList, i);	×
74	if (pKey == NULL) {	×
75	continue;	×
76	}
77
78	int32_t code = taosHashRemove(execInfo.transMgmt.pDBTrans, pKey->pKey, pKey->keyLen);	×
79	if (code != 0) {	×
80	taosArrayDestroy(pList);	×
81	return code;	×
82	}
83	}
84
85	mDebug("clear %d finished stream-trans, active trans:%d, active checkpoint trans:%d", size,	×
86	taosHashGetSize(execInfo.transMgmt.pDBTrans), numOfChkpt);
87
88	taosArrayDestroy(pList);	×
89
90	if (pNumOfActiveChkpt != NULL) {	×
91	*pNumOfActiveChkpt = numOfChkpt;	×
92	}
93
94	return 0;	×
95	}
96
97	static int32_t doStreamTransConflictCheck(SMnode pMnode, int64_t streamId, const char pTransName) {	×
98	int32_t num = taosHashGetSize(execInfo.transMgmt.pDBTrans);	×
99	if (num <= 0) {	×
100	return 0;	×
101	}
102
103	// if any task updates exist, any other stream trans are not allowed to be created
104	int32_t code = mndStreamClearFinishedTrans(pMnode, NULL);	×
105	if (code) {	×
106	mError("failed to clear finish trans, code:%s, and continue", tstrerror(code));	×
107	}
108
109	SStreamTransInfo *pEntry = taosHashGet(execInfo.transMgmt.pDBTrans, &streamId, sizeof(streamId));	×
110	if (pEntry != NULL) {	×
111	SStreamTransInfo tInfo = *pEntry;	×
112
113	if (strcmp(tInfo.name, MND_STREAM_CHECKPOINT_NAME) == 0) {	×
114	if ((strcmp(pTransName, MND_STREAM_DROP_NAME) != 0) && (strcmp(pTransName, MND_STREAM_TASK_RESET_NAME) != 0) &&	×
115	(strcmp(pTransName, MND_STREAM_RESTART_NAME) != 0)) {	×
116	mWarn("conflict with other transId:%d streamUid:0x%" PRIx64 ", trans:%s", tInfo.transId, tInfo.streamId,	×
117	tInfo.name);
118	return TSDB_CODE_MND_TRANS_CONFLICT;	×
119	} else {
120	mDebug("not conflict with checkpoint trans, name:%s, continue creating trans", pTransName);	×
121	}
122	} else if ((strcmp(tInfo.name, MND_STREAM_CREATE_NAME) == 0) \|\| (strcmp(tInfo.name, MND_STREAM_DROP_NAME) == 0) \|\|	×
123	(strcmp(tInfo.name, MND_STREAM_TASK_RESET_NAME) == 0) \|\|	×
124	(strcmp(tInfo.name, MND_STREAM_TASK_UPDATE_NAME) == 0) \|\|	×
125	strcmp(tInfo.name, MND_STREAM_RESTART_NAME) == 0) {	×
126	mWarn("conflict with other transId:%d streamUid:0x%" PRIx64 ", trans:%s", tInfo.transId, tInfo.streamId,	×
127	tInfo.name);
128	return TSDB_CODE_MND_TRANS_CONFLICT;	×
129	}
130	} else {
131	mDebug("stream:0x%" PRIx64 " no conflict trans existed, continue create trans", streamId);	×
132	}
133
134	return TSDB_CODE_SUCCESS;	×
135	}
136
137	// * Transactions of different streams are not related. Here only check the conflict of transaction for a given stream.
138	// For a given stream:
139	// 1. checkpoint trans is conflict with any other trans except for the drop and reset trans.
140	// 2. create/drop/reset/update trans are conflict with any other trans.
141	int32_t mndStreamTransConflictCheck(SMnode pMnode, int64_t streamId, const char pTransName, bool lock) {	×
142	if (lock) {	×
143	streamMutexLock(&execInfo.lock);	×
144	}
145
146	int32_t code = doStreamTransConflictCheck(pMnode, streamId, pTransName);	×
147
148	if (lock) {	×
149	streamMutexUnlock(&execInfo.lock);	×
150	}
151
152	return code;	×
153	}
154
155	int32_t mndStreamGetRelTrans(SMnode *pMnode, int64_t streamId) {	×
156	streamMutexLock(&execInfo.lock);	×
157	int32_t num = taosHashGetSize(execInfo.transMgmt.pDBTrans);	×
158	if (num <= 0) {	×
159	streamMutexUnlock(&execInfo.lock);	×
160	return 0;	×
161	}
162
163	int32_t code = mndStreamClearFinishedTrans(pMnode, NULL);	×
164	if (code) {	×
165	mError("failed to clear finish trans, code:%s", tstrerror(code));	×
166	}
167
168	SStreamTransInfo *pEntry = taosHashGet(execInfo.transMgmt.pDBTrans, &streamId, sizeof(streamId));	×
169	if (pEntry != NULL) {	×
170	SStreamTransInfo tInfo = *pEntry;	×
171	streamMutexUnlock(&execInfo.lock);	×
172
173	if (strcmp(tInfo.name, MND_STREAM_CHECKPOINT_NAME) == 0 \|\| strcmp(tInfo.name, MND_STREAM_TASK_UPDATE_NAME) == 0 \|\|	×
174	strcmp(tInfo.name, MND_STREAM_CHKPT_UPDATE_NAME) == 0) {	×
175	return tInfo.transId;	×
176	}
177	} else {
178	streamMutexUnlock(&execInfo.lock);	×
179	}
180
181	return 0;	×
182	}
183
184	int32_t doCreateTrans(SMnode pMnode, SStreamObj pStream, SRpcMsg pReq, ETrnConflct conflict, const char name,	×
185	const char pMsg, STrans *pTrans1) {
186	*pTrans1 = NULL;	×
187	terrno = 0;	×
188
189	int32_t code = 0;	×
190	STrans *p = mndTransCreate(pMnode, TRN_POLICY_RETRY, conflict, pReq, name);	×
191	if (p == NULL) {	×
192	mError("failed to build trans:%s, reason: %s", name, tstrerror(terrno));	×
193	return terrno;	×
194	}
195
196	mInfo("stream:0x%" PRIx64 " start to build trans %s, transId:%d", pStream->uid, pMsg, p->id);	×
197
198	mndTransSetDbName(p, pStream->sourceDb, pStream->targetSTbName);	×
199	if ((code = mndTransCheckConflict(pMnode, p)) != 0) {	×
200	mError("failed to build trans:%s for stream:0x%" PRIx64 " code:%s", name, pStream->uid, tstrerror(terrno));	×
201	mndTransDrop(p);	×
202	return code;	×
203	}
204
205	*pTrans1 = p;	×
206	return code;	×
207	}
208
209	SSdbRaw mndStreamActionEncode(SStreamObj pStream) {	×
210	int32_t code = 0;	×
211	int32_t lino = 0;	×
212	void *buf = NULL;	×
213
214	SEncoder encoder;
215	tEncoderInit(&encoder, NULL, 0);	×
216	if ((code = tEncodeSStreamObj(&encoder, pStream)) < 0) {	×
217	tEncoderClear(&encoder);	×
218	TSDB_CHECK_CODE(code, lino, _over);	×
219	}
220
221	int32_t tlen = encoder.pos;	×
222	tEncoderClear(&encoder);	×
223
224	int32_t size = sizeof(int32_t) + tlen + MND_STREAM_RESERVE_SIZE;	×
225	SSdbRaw *pRaw = sdbAllocRaw(SDB_STREAM, MND_STREAM_VER_NUMBER, size);	×
226	TSDB_CHECK_NULL(pRaw, code, lino, _over, terrno);	×
227
228	buf = taosMemoryMalloc(tlen);	×
229	TSDB_CHECK_NULL(buf, code, lino, _over, terrno);	×
230
231	tEncoderInit(&encoder, buf, tlen);	×
232	if ((code = tEncodeSStreamObj(&encoder, pStream)) < 0) {	×
233	tEncoderClear(&encoder);	×
234	TSDB_CHECK_CODE(code, lino, _over);	×
235	}
236
237	tEncoderClear(&encoder);	×
238
239	int32_t dataPos = 0;	×
240	SDB_SET_INT32(pRaw, dataPos, tlen, _over);	×
241	SDB_SET_BINARY(pRaw, dataPos, buf, tlen, _over);	×
242	SDB_SET_DATALEN(pRaw, dataPos, _over);	×
243
244	_over:	×
245	taosMemoryFreeClear(buf);	×
246	if (code != TSDB_CODE_SUCCESS) {	×
247	mError("stream:%s, failed to encode to raw:%p at line:%d since %s", pStream->name, pRaw, lino, tstrerror(code));	×
248	sdbFreeRaw(pRaw);	×
249	terrno = code;	×
250	return NULL;	×
251	}
252
253	terrno = 0;	×
254	mTrace("stream:%s, encode to raw:%p, row:%p, checkpoint:%" PRId64 "", pStream->name, pRaw, pStream,	×
255	pStream->checkpointId);
256	return pRaw;	×
257	}
258
259	int32_t mndPersistTransLog(SStreamObj pStream, STrans pTrans, int32_t status) {	×
260	SSdbRaw *pCommitRaw = mndStreamActionEncode(pStream);	×
261	if (pCommitRaw == NULL) {	×
262	mError("failed to encode stream since %s", terrstr());	×
263	mndTransDrop(pTrans);	×
264	return terrno;	×
265	}
266
267	if (mndTransAppendCommitlog(pTrans, pCommitRaw) != 0) {	×
268	mError("stream trans:%d, failed to append commit log since %s", pTrans->id, terrstr());	×
269	sdbFreeRaw(pCommitRaw);	×
270	mndTransDrop(pTrans);	×
271	return terrno;	×
272	}
273
274	if (sdbSetRawStatus(pCommitRaw, status) != 0) {	×
275	mError("stream trans:%d failed to set raw status:%d since %s", pTrans->id, status, terrstr());	×
276	sdbFreeRaw(pCommitRaw);	×
277	mndTransDrop(pTrans);	×
278	return terrno;	×
279	}
280
281	return 0;	×
282	}
283
284	int32_t setTransAction(STrans pTrans, void pCont, int32_t contLen, int32_t msgType, const SEpSet *pEpset,	×
285	int32_t retryCode, int32_t acceptCode) {
286	STransAction action = {.epSet = *pEpset,	×
287	.contLen = contLen,
288	.pCont = pCont,
289	.msgType = msgType,
290	.retryCode = retryCode,
291	.acceptableCode = acceptCode};
292	return mndTransAppendRedoAction(pTrans, &action);	×
293	}
294
295	bool isNodeUpdateTransActive() {	×
296	bool exist = false;	×
297	void *pIter = NULL;	×
298
299	streamMutexLock(&execInfo.lock);	×
300
301	while ((pIter = taosHashIterate(execInfo.transMgmt.pDBTrans, pIter)) != NULL) {	×
302	SStreamTransInfo pTransInfo = (SStreamTransInfo )pIter;	×
303	if (strcmp(pTransInfo->name, MND_STREAM_TASK_UPDATE_NAME) == 0) {	×
304	mDebug("stream:0x%" PRIx64 " %s st:%" PRId64 " is in task nodeEp update, create new stream not allowed",	×
305	pTransInfo->streamId, pTransInfo->name, pTransInfo->startTime);
306	exist = true;	×
307	}
308	}
309
310	streamMutexUnlock(&execInfo.lock);	×
311	return exist;	×
312	}
313
314	int32_t doKillCheckpointTrans(SMnode pMnode, const char pDBName, size_t len) {	×
315	void *pIter = NULL;	×
316
317	while ((pIter = taosHashIterate(execInfo.transMgmt.pDBTrans, pIter)) != NULL) {	×
318	SStreamTransInfo pTransInfo = (SStreamTransInfo )pIter;	×
319	if (strcmp(pTransInfo->name, MND_STREAM_CHECKPOINT_NAME) != 0) {	×
320	continue;	×
321	}
322
323	SStreamObj *pStream = NULL;	×
324	int32_t code = mndGetStreamObj(pMnode, pTransInfo->streamId, &pStream);	×
325	if (pStream != NULL && code == 0) {	×
326	if (identicalName(pStream->sourceDb, pDBName, len)) {	×
327	mndKillTransImpl(pMnode, pTransInfo->transId, pStream->sourceDb);	×
328	} else if (identicalName(pStream->targetDb, pDBName, len)) {	×
329	mndKillTransImpl(pMnode, pTransInfo->transId, pStream->targetDb);	×
330	}
331
332	mndReleaseStream(pMnode, pStream);	×
333	}
334	}
335
336	return TSDB_CODE_SUCCESS;	×
337	}
338
339	// kill all trans in the dst DB
340	void killAllCheckpointTrans(SMnode pMnode, SVgroupChangeInfo pChangeInfo) {	×
341	mDebug("start to clear checkpoints in all Dbs");	×
342	char p[128] = {0};	×
343
344	void *pIter = NULL;	×
345	while ((pIter = taosHashIterate(pChangeInfo->pDBMap, pIter)) != NULL) {	×
346	char pDb = (char )pIter;	×
347
348	size_t len = 0;	×
349	void *pKey = taosHashGetKey(pDb, &len);	×
350	int cpLen = (127 < len) ? 127 : len;	×
351	TAOS_STRNCPY(p, pKey, cpLen);	×
352	p[cpLen] = '\0';	×
353
354	int32_t code = doKillCheckpointTrans(pMnode, pKey, len);	×
355	if (code) {	×
356	mError("failed to kill trans, transId:%p", pKey);	×
357	} else {
358	mDebug("clear checkpoint trans in Db:%s", p);	×
359	}
360	}
361
362	mDebug("complete clear checkpoints in all Dbs");	×
363	}	×

taosdata / TDengine / #3599

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