#3523

Committed 06 Nov 2024 02:29AM UTC coverage: 55.861% (-2.4%) from 58.216%

Build # #3523

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Commit Message

Merge pull request #28551 from taosdata/feat/TS-5215-2

test(blob): testing & fixes for blob

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52.35

/source/dnode/mnode/impl/src/mndSnode.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/>.
 */

#define _DEFAULT_SOURCE
#include "mndDnode.h"
#include "mndPrivilege.h"
#include "mndShow.h"
#include "mndSnode.h"
#include "mndTrans.h"
#include "mndUser.h"

#define SNODE_VER_NUMBER   1
#define SNODE_RESERVE_SIZE 64

static SSdbRaw *mndSnodeActionEncode(SSnodeObj *pObj);
static SSdbRow *mndSnodeActionDecode(SSdbRaw *pRaw);
static int32_t  mndSnodeActionInsert(SSdb *pSdb, SSnodeObj *pObj);
static int32_t  mndSnodeActionUpdate(SSdb *pSdb, SSnodeObj *pOld, SSnodeObj *pNew);
static int32_t  mndSnodeActionDelete(SSdb *pSdb, SSnodeObj *pObj);
static int32_t  mndProcessCreateSnodeReq(SRpcMsg *pReq);
static int32_t  mndProcessDropSnodeReq(SRpcMsg *pReq);
static int32_t  mndRetrieveSnodes(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pBlock, int32_t rows);
static void     mndCancelGetNextSnode(SMnode *pMnode, void *pIter);

int32_t mndInitSnode(SMnode *pMnode) {
  SSdbTable table = {
      .sdbType = SDB_SNODE,
      .keyType = SDB_KEY_INT32,
      .encodeFp = (SdbEncodeFp)mndSnodeActionEncode,
      .decodeFp = (SdbDecodeFp)mndSnodeActionDecode,
      .insertFp = (SdbInsertFp)mndSnodeActionInsert,
      .updateFp = (SdbUpdateFp)mndSnodeActionUpdate,
      .deleteFp = (SdbDeleteFp)mndSnodeActionDelete,
  };

  mndSetMsgHandle(pMnode, TDMT_MND_CREATE_SNODE, mndProcessCreateSnodeReq);
  mndSetMsgHandle(pMnode, TDMT_MND_DROP_SNODE, mndProcessDropSnodeReq);
  mndSetMsgHandle(pMnode, TDMT_DND_CREATE_SNODE_RSP, mndTransProcessRsp);
  mndSetMsgHandle(pMnode, TDMT_DND_DROP_SNODE_RSP, mndTransProcessRsp);

  mndAddShowRetrieveHandle(pMnode, TSDB_MGMT_TABLE_SNODE, mndRetrieveSnodes);
  mndAddShowFreeIterHandle(pMnode, TSDB_MGMT_TABLE_SNODE, mndCancelGetNextSnode);

  return sdbSetTable(pMnode->pSdb, table);
}

void mndCleanupSnode(SMnode *pMnode) {}

SEpSet mndAcquireEpFromSnode(SMnode *pMnode, const SSnodeObj *pSnode) {
  SEpSet epSet = {.numOfEps = 1, .inUse = 0};
  memcpy(epSet.eps[0].fqdn, pSnode->pDnode->fqdn, TSDB_FQDN_LEN);
  epSet.eps[0].port = pSnode->pDnode->port;
  return epSet;
}

SSnodeObj *mndAcquireSnode(SMnode *pMnode, int32_t snodeId) {
  SSnodeObj *pObj = sdbAcquire(pMnode->pSdb, SDB_SNODE, &snodeId);
  if (pObj == NULL && terrno == TSDB_CODE_SDB_OBJ_NOT_THERE) {
    terrno = TSDB_CODE_MND_SNODE_NOT_EXIST;
  }
  return pObj;
}

void mndReleaseSnode(SMnode *pMnode, SSnodeObj *pObj) {
  SSdb *pSdb = pMnode->pSdb;
  sdbRelease(pSdb, pObj);
}

static SSdbRaw *mndSnodeActionEncode(SSnodeObj *pObj) {
  int32_t code = 0;
  int32_t lino = 0;
  terrno = TSDB_CODE_OUT_OF_MEMORY;

  SSdbRaw *pRaw = sdbAllocRaw(SDB_SNODE, SNODE_VER_NUMBER, sizeof(SSnodeObj) + SNODE_RESERVE_SIZE);
  if (pRaw == NULL) goto _OVER;

  int32_t dataPos = 0;
  SDB_SET_INT32(pRaw, dataPos, pObj->id, _OVER)
  SDB_SET_INT64(pRaw, dataPos, pObj->createdTime, _OVER)
  SDB_SET_INT64(pRaw, dataPos, pObj->updateTime, _OVER)
  SDB_SET_RESERVE(pRaw, dataPos, SNODE_RESERVE_SIZE, _OVER)

  terrno = 0;

_OVER:
  if (terrno != 0) {
    mError("snode:%d, failed to encode to raw:%p since %s", pObj->id, pRaw, terrstr());
    sdbFreeRaw(pRaw);
    return NULL;
  }

  mTrace("snode:%d, encode to raw:%p, row:%p", pObj->id, pRaw, pObj);
  return pRaw;
}

static SSdbRow *mndSnodeActionDecode(SSdbRaw *pRaw) {
  int32_t code = 0;
  int32_t lino = 0;
  terrno = TSDB_CODE_OUT_OF_MEMORY;
  SSdbRow   *pRow = NULL;
  SSnodeObj *pObj = NULL;

  int8_t sver = 0;
  if (sdbGetRawSoftVer(pRaw, &sver) != 0) goto _OVER;

  if (sver != SNODE_VER_NUMBER) {
    terrno = TSDB_CODE_SDB_INVALID_DATA_VER;
    goto _OVER;
  }

  pRow = sdbAllocRow(sizeof(SSnodeObj));
  if (pRow == NULL) goto _OVER;

  pObj = sdbGetRowObj(pRow);
  if (pObj == NULL) goto _OVER;

  int32_t dataPos = 0;
  SDB_GET_INT32(pRaw, dataPos, &pObj->id, _OVER)
  SDB_GET_INT64(pRaw, dataPos, &pObj->createdTime, _OVER)
  SDB_GET_INT64(pRaw, dataPos, &pObj->updateTime, _OVER)
  SDB_GET_RESERVE(pRaw, dataPos, SNODE_RESERVE_SIZE, _OVER)

  terrno = 0;

_OVER:
  if (terrno != 0) {
    mError("snode:%d, failed to decode from raw:%p since %s", pObj == NULL ? 0 : pObj->id, pRaw, terrstr());
    taosMemoryFreeClear(pRow);
    return NULL;
  }

  mTrace("snode:%d, decode from raw:%p, row:%p", pObj->id, pRaw, pObj);
  return pRow;
}

static int32_t mndSnodeActionInsert(SSdb *pSdb, SSnodeObj *pObj) {
  mTrace("snode:%d, perform insert action, row:%p", pObj->id, pObj);
  pObj->pDnode = sdbAcquire(pSdb, SDB_DNODE, &pObj->id);
  if (pObj->pDnode == NULL) {
    terrno = TSDB_CODE_MND_DNODE_NOT_EXIST;
    mError("snode:%d, failed to perform insert action since %s", pObj->id, terrstr());
    return -1;
  }

  return 0;
}

static int32_t mndSnodeActionDelete(SSdb *pSdb, SSnodeObj *pObj) {
  mTrace("snode:%d, perform delete action, row:%p", pObj->id, pObj);
  if (pObj->pDnode != NULL) {
    sdbRelease(pSdb, pObj->pDnode);
    pObj->pDnode = NULL;
  }

  return 0;
}

static int32_t mndSnodeActionUpdate(SSdb *pSdb, SSnodeObj *pOld, SSnodeObj *pNew) {
  mTrace("snode:%d, perform update action, old row:%p new row:%p", pOld->id, pOld, pNew);
  pOld->updateTime = pNew->updateTime;
  return 0;
}

static int32_t mndSetCreateSnodeRedoLogs(STrans *pTrans, SSnodeObj *pObj) {
  int32_t  code = 0;
  SSdbRaw *pRedoRaw = mndSnodeActionEncode(pObj);
  if (pRedoRaw == NULL) {
    code = TSDB_CODE_MND_RETURN_VALUE_NULL;
    if (terrno != 0) code = terrno;
    TAOS_RETURN(code);
  }
  TAOS_CHECK_RETURN(mndTransAppendRedolog(pTrans, pRedoRaw));
  TAOS_CHECK_RETURN(sdbSetRawStatus(pRedoRaw, SDB_STATUS_CREATING));
  TAOS_RETURN(code);
}

static int32_t mndSetCreateSnodeUndoLogs(STrans *pTrans, SSnodeObj *pObj) {
  int32_t  code = 0;
  SSdbRaw *pUndoRaw = mndSnodeActionEncode(pObj);
  if (pUndoRaw == NULL) {
    code = TSDB_CODE_MND_RETURN_VALUE_NULL;
    if (terrno != 0) code = terrno;
    TAOS_RETURN(code);
  }
  TAOS_CHECK_RETURN(mndTransAppendUndolog(pTrans, pUndoRaw));
  TAOS_CHECK_RETURN(sdbSetRawStatus(pUndoRaw, SDB_STATUS_DROPPED));
  TAOS_RETURN(code);
}

static int32_t mndSetCreateSnodeCommitLogs(STrans *pTrans, SSnodeObj *pObj) {
  int32_t  code = 0;
  SSdbRaw *pCommitRaw = mndSnodeActionEncode(pObj);
  if (pCommitRaw == NULL) {
    code = TSDB_CODE_MND_RETURN_VALUE_NULL;
    if (terrno != 0) code = terrno;
    TAOS_RETURN(code);
  }
  TAOS_CHECK_RETURN(mndTransAppendCommitlog(pTrans, pCommitRaw));
  TAOS_CHECK_RETURN(sdbSetRawStatus(pCommitRaw, SDB_STATUS_READY));
  TAOS_RETURN(code);
}

static int32_t mndSetCreateSnodeRedoActions(STrans *pTrans, SDnodeObj *pDnode, SSnodeObj *pObj) {
  int32_t          code = 0;
  SDCreateSnodeReq createReq = {0};
  createReq.dnodeId = pDnode->id;

  int32_t contLen = tSerializeSCreateDropMQSNodeReq(NULL, 0, &createReq);
  void   *pReq = taosMemoryMalloc(contLen);
  if (pReq == NULL) {
    code = terrno;
    TAOS_RETURN(code);
  }
  code = tSerializeSCreateDropMQSNodeReq(pReq, contLen, &createReq);
  if (code < 0) {
    mError("snode:%d, failed to serialize create drop snode request since %s", createReq.dnodeId, terrstr());
  }

  STransAction action = {0};
  action.epSet = mndGetDnodeEpset(pDnode);
  action.pCont = pReq;
  action.contLen = contLen;
  action.msgType = TDMT_DND_CREATE_SNODE;
  action.acceptableCode = TSDB_CODE_SNODE_ALREADY_DEPLOYED;

  if ((code = mndTransAppendRedoAction(pTrans, &action)) != 0) {
    taosMemoryFree(pReq);
    TAOS_RETURN(code);
  }

  TAOS_RETURN(code);
}

static int32_t mndSetCreateSnodeUndoActions(STrans *pTrans, SDnodeObj *pDnode, SSnodeObj *pObj) {
  int32_t        code = 0;
  SDDropSnodeReq dropReq = {0};
  dropReq.dnodeId = pDnode->id;

  int32_t contLen = tSerializeSCreateDropMQSNodeReq(NULL, 0, &dropReq);
  void   *pReq = taosMemoryMalloc(contLen);
  if (pReq == NULL) {
    code = terrno;
    TAOS_RETURN(code);
  }
  code = tSerializeSCreateDropMQSNodeReq(pReq, contLen, &dropReq);
  if (code < 0) {
    mError("snode:%d, failed to serialize create drop snode request since %s", dropReq.dnodeId, terrstr());
  }

  STransAction action = {0};
  action.epSet = mndGetDnodeEpset(pDnode);
  action.pCont = pReq;
  action.contLen = contLen;
  action.msgType = TDMT_DND_DROP_SNODE;
  action.acceptableCode = TSDB_CODE_SNODE_NOT_DEPLOYED;

  if ((code = mndTransAppendUndoAction(pTrans, &action)) != 0) {
    taosMemoryFree(pReq);
    TAOS_RETURN(code);
  }

  TAOS_RETURN(code);
}

static int32_t mndCreateSnode(SMnode *pMnode, SRpcMsg *pReq, SDnodeObj *pDnode, SMCreateSnodeReq *pCreate) {
  int32_t code = -1;

  SSnodeObj snodeObj = {0};
  snodeObj.id = pDnode->id;
  snodeObj.createdTime = taosGetTimestampMs();
  snodeObj.updateTime = snodeObj.createdTime;

  STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_ROLLBACK, TRN_CONFLICT_NOTHING, pReq, "create-snode");
  if (pTrans == NULL) {
    code = TSDB_CODE_MND_RETURN_VALUE_NULL;
    if (terrno != 0) code = terrno;
    goto _OVER;
  }
  mndTransSetSerial(pTrans);

  mInfo("trans:%d, used to create snode:%d", pTrans->id, pCreate->dnodeId);

  TAOS_CHECK_GOTO(mndSetCreateSnodeRedoLogs(pTrans, &snodeObj), NULL, _OVER);
  TAOS_CHECK_GOTO(mndSetCreateSnodeUndoLogs(pTrans, &snodeObj), NULL, _OVER);
  TAOS_CHECK_GOTO(mndSetCreateSnodeCommitLogs(pTrans, &snodeObj), NULL, _OVER);
  TAOS_CHECK_GOTO(mndSetCreateSnodeRedoActions(pTrans, pDnode, &snodeObj), NULL, _OVER);
  TAOS_CHECK_GOTO(mndSetCreateSnodeUndoActions(pTrans, pDnode, &snodeObj), NULL, _OVER);
  TAOS_CHECK_GOTO(mndTransPrepare(pMnode, pTrans), NULL, _OVER);

  code = 0;

_OVER:
  mndTransDrop(pTrans);
  TAOS_RETURN(code);
}

static int32_t mndProcessCreateSnodeReq(SRpcMsg *pReq) {
  SMnode          *pMnode = pReq->info.node;
  int32_t          code = -1;
  SSnodeObj       *pObj = NULL;
  SDnodeObj       *pDnode = NULL;
  SMCreateSnodeReq createReq = {0};

  TAOS_CHECK_GOTO(tDeserializeSCreateDropMQSNodeReq(pReq->pCont, pReq->contLen, &createReq), NULL, _OVER);

  mInfo("snode:%d, start to create", createReq.dnodeId);
  TAOS_CHECK_GOTO(mndCheckOperPrivilege(pMnode, pReq->info.conn.user, MND_OPER_CREATE_SNODE), NULL, _OVER);

  //  pObj = mndAcquireSnode(pMnode, createReq.dnodeId);
  //  if (pObj != NULL) {
  //    terrno = TSDB_CODE_MND_SNODE_ALREADY_EXIST;
  //    goto _OVER;
  //  } else if (terrno != TSDB_CODE_MND_SNODE_NOT_EXIST) {
  //    goto _OVER;
  //  }

  if (sdbGetSize(pMnode->pSdb, SDB_SNODE) >= 1) {
    code = TSDB_CODE_MND_SNODE_ALREADY_EXIST;
    goto _OVER;
  }

  pDnode = mndAcquireDnode(pMnode, createReq.dnodeId);
  if (pDnode == NULL) {
    code = TSDB_CODE_MND_DNODE_NOT_EXIST;
    goto _OVER;
  }

  code = mndCreateSnode(pMnode, pReq, pDnode, &createReq);
  if (code == 0) code = TSDB_CODE_ACTION_IN_PROGRESS;

_OVER:
  if (code != 0 && code != TSDB_CODE_ACTION_IN_PROGRESS) {
    mError("snode:%d, failed to create since %s", createReq.dnodeId, tstrerror(code));
    TAOS_RETURN(code);
  }

  //  mndReleaseSnode(pMnode, pObj);
  mndReleaseDnode(pMnode, pDnode);
  tFreeSMCreateQnodeReq(&createReq);
  TAOS_RETURN(code);
}

static int32_t mndSetDropSnodeRedoLogs(STrans *pTrans, SSnodeObj *pObj) {
  int32_t  code = 0;
  SSdbRaw *pRedoRaw = mndSnodeActionEncode(pObj);
  if (pRedoRaw == NULL) {
    code = TSDB_CODE_MND_RETURN_VALUE_NULL;
    if (terrno != 0) code = terrno;
    TAOS_RETURN(code);
  }
  TAOS_CHECK_RETURN(mndTransAppendRedolog(pTrans, pRedoRaw));
  TAOS_CHECK_RETURN(sdbSetRawStatus(pRedoRaw, SDB_STATUS_DROPPING));
  TAOS_RETURN(code);
}

static int32_t mndSetDropSnodeCommitLogs(STrans *pTrans, SSnodeObj *pObj) {
  int32_t  code = 0;
  SSdbRaw *pCommitRaw = mndSnodeActionEncode(pObj);
  if (pCommitRaw == NULL) {
    code = TSDB_CODE_MND_RETURN_VALUE_NULL;
    if (terrno != 0) code = terrno;
    TAOS_RETURN(code);
  }
  TAOS_CHECK_RETURN(mndTransAppendCommitlog(pTrans, pCommitRaw));
  TAOS_CHECK_RETURN(sdbSetRawStatus(pCommitRaw, SDB_STATUS_DROPPED));
  TAOS_RETURN(code);
}

static int32_t mndSetDropSnodeRedoActions(STrans *pTrans, SDnodeObj *pDnode, SSnodeObj *pObj) {
  int32_t        code = 0;
  SDDropSnodeReq dropReq = {0};
  dropReq.dnodeId = pDnode->id;

  int32_t contLen = tSerializeSCreateDropMQSNodeReq(NULL, 0, &dropReq);
  void   *pReq = taosMemoryMalloc(contLen);
  if (pReq == NULL) {
    code = terrno;
    TAOS_RETURN(code);
  }
  code = tSerializeSCreateDropMQSNodeReq(pReq, contLen, &dropReq);
  if (code < 0) {
    mError("snode:%d, failed to serialize create drop snode request since %s", dropReq.dnodeId, terrstr());
  }

  STransAction action = {0};
  action.epSet = mndGetDnodeEpset(pDnode);
  action.pCont = pReq;
  action.contLen = contLen;
  action.msgType = TDMT_DND_DROP_SNODE;
  action.acceptableCode = TSDB_CODE_SNODE_NOT_DEPLOYED;

  if ((code = mndTransAppendRedoAction(pTrans, &action)) != 0) {
    taosMemoryFree(pReq);
    TAOS_RETURN(code);
  }

  TAOS_RETURN(code);
}

int32_t mndSetDropSnodeInfoToTrans(SMnode *pMnode, STrans *pTrans, SSnodeObj *pObj, bool force) {
  if (pObj == NULL) return 0;
  TAOS_CHECK_RETURN(mndSetDropSnodeRedoLogs(pTrans, pObj));
  TAOS_CHECK_RETURN(mndSetDropSnodeCommitLogs(pTrans, pObj));
  if (!force) {
    TAOS_CHECK_RETURN(mndSetDropSnodeRedoActions(pTrans, pObj->pDnode, pObj));
  }
  return 0;
}

static int32_t mndDropSnode(SMnode *pMnode, SRpcMsg *pReq, SSnodeObj *pObj) {
  int32_t code = -1;

  STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_RETRY, TRN_CONFLICT_NOTHING, pReq, "drop-snode");
  if (pTrans == NULL) {
    code = TSDB_CODE_MND_RETURN_VALUE_NULL;
    if (terrno != 0) code = terrno;
    goto _OVER;
  }
  mndTransSetSerial(pTrans);

  mInfo("trans:%d, used to drop snode:%d", pTrans->id, pObj->id);
  TAOS_CHECK_GOTO(mndSetDropSnodeInfoToTrans(pMnode, pTrans, pObj, false), NULL, _OVER);
  TAOS_CHECK_GOTO(mndTransPrepare(pMnode, pTrans), NULL, _OVER);

  code = 0;

_OVER:
  mndTransDrop(pTrans);
  TAOS_RETURN(code);
}

static int32_t mndProcessDropSnodeReq(SRpcMsg *pReq) {
  SMnode        *pMnode = pReq->info.node;
  int32_t        code = -1;
  SSnodeObj     *pObj = NULL;
  SMDropSnodeReq dropReq = {0};

  TAOS_CHECK_GOTO(tDeserializeSCreateDropMQSNodeReq(pReq->pCont, pReq->contLen, &dropReq), NULL, _OVER);

  mInfo("snode:%d, start to drop", dropReq.dnodeId);
  TAOS_CHECK_GOTO(mndCheckOperPrivilege(pMnode, pReq->info.conn.user, MND_OPER_DROP_SNODE), NULL, _OVER);

  if (dropReq.dnodeId <= 0) {
    code = TSDB_CODE_INVALID_MSG;
    goto _OVER;
  }

  pObj = mndAcquireSnode(pMnode, dropReq.dnodeId);
  if (pObj == NULL) {
    code = TSDB_CODE_MND_RETURN_VALUE_NULL;
    if (terrno != 0) code = terrno;
    goto _OVER;
  }

  // check deletable
  code = mndDropSnode(pMnode, pReq, pObj);
  if (code == 0) code = TSDB_CODE_ACTION_IN_PROGRESS;

_OVER:
  if (code != 0 && code != TSDB_CODE_ACTION_IN_PROGRESS) {
    mError("snode:%d, failed to drop since %s", dropReq.dnodeId, tstrerror(code));
  }

  mndReleaseSnode(pMnode, pObj);
  tFreeSMCreateQnodeReq(&dropReq);
  TAOS_RETURN(code);
}

static int32_t mndRetrieveSnodes(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pBlock, int32_t rows) {
  SMnode    *pMnode = pReq->info.node;
  SSdb      *pSdb = pMnode->pSdb;
  int32_t    numOfRows = 0;
  int32_t    cols = 0;
  SSnodeObj *pObj = NULL;

  while (numOfRows < rows) {
    pShow->pIter = sdbFetch(pSdb, SDB_SNODE, pShow->pIter, (void **)&pObj);
    if (pShow->pIter == NULL) break;

    cols = 0;
    SColumnInfoData *pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
    TAOS_CHECK_RETURN_WITH_RELEASE(colDataSetVal(pColInfo, numOfRows, (const char *)&pObj->id, false), pSdb, pObj);

    char ep[TSDB_EP_LEN + VARSTR_HEADER_SIZE] = {0};
    STR_WITH_MAXSIZE_TO_VARSTR(ep, pObj->pDnode->ep, pShow->pMeta->pSchemas[cols].bytes);

    pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
    TAOS_CHECK_RETURN_WITH_RELEASE(colDataSetVal(pColInfo, numOfRows, (const char *)ep, false), pSdb, pObj);

    pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
    TAOS_CHECK_RETURN_WITH_RELEASE(colDataSetVal(pColInfo, numOfRows, (const char *)&pObj->createdTime, false), pSdb,
                                   pObj);

    numOfRows++;
    sdbRelease(pSdb, pObj);
  }

  pShow->numOfRows += numOfRows;

  return numOfRows;
}

static void mndCancelGetNextSnode(SMnode *pMnode, void *pIter) {
  SSdb *pSdb = pMnode->pSdb;
  sdbCancelFetchByType(pSdb, pIter, SDB_SNODE);
}

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	#define _DEFAULT_SOURCE
17	#include "mndDnode.h"
18	#include "mndPrivilege.h"
19	#include "mndShow.h"
20	#include "mndSnode.h"
21	#include "mndTrans.h"
22	#include "mndUser.h"
23
24	#define SNODE_VER_NUMBER 1
25	#define SNODE_RESERVE_SIZE 64
26
27	static SSdbRaw mndSnodeActionEncode(SSnodeObj pObj);
28	static SSdbRow mndSnodeActionDecode(SSdbRaw pRaw);
29	static int32_t mndSnodeActionInsert(SSdb pSdb, SSnodeObj pObj);
30	static int32_t mndSnodeActionUpdate(SSdb pSdb, SSnodeObj pOld, SSnodeObj *pNew);
31	static int32_t mndSnodeActionDelete(SSdb pSdb, SSnodeObj pObj);
32	static int32_t mndProcessCreateSnodeReq(SRpcMsg *pReq);
33	static int32_t mndProcessDropSnodeReq(SRpcMsg *pReq);
34	static int32_t mndRetrieveSnodes(SRpcMsg pReq, SShowObj pShow, SSDataBlock *pBlock, int32_t rows);
35	static void mndCancelGetNextSnode(SMnode pMnode, void pIter);
36
37	int32_t mndInitSnode(SMnode *pMnode) {	716✔
38	SSdbTable table = {	716✔
39	.sdbType = SDB_SNODE,
40	.keyType = SDB_KEY_INT32,
41	.encodeFp = (SdbEncodeFp)mndSnodeActionEncode,
42	.decodeFp = (SdbDecodeFp)mndSnodeActionDecode,
43	.insertFp = (SdbInsertFp)mndSnodeActionInsert,
44	.updateFp = (SdbUpdateFp)mndSnodeActionUpdate,
45	.deleteFp = (SdbDeleteFp)mndSnodeActionDelete,
46	};
47
48	mndSetMsgHandle(pMnode, TDMT_MND_CREATE_SNODE, mndProcessCreateSnodeReq);	716✔
49	mndSetMsgHandle(pMnode, TDMT_MND_DROP_SNODE, mndProcessDropSnodeReq);	716✔
50	mndSetMsgHandle(pMnode, TDMT_DND_CREATE_SNODE_RSP, mndTransProcessRsp);	716✔
51	mndSetMsgHandle(pMnode, TDMT_DND_DROP_SNODE_RSP, mndTransProcessRsp);	716✔
52
53	mndAddShowRetrieveHandle(pMnode, TSDB_MGMT_TABLE_SNODE, mndRetrieveSnodes);	716✔
54	mndAddShowFreeIterHandle(pMnode, TSDB_MGMT_TABLE_SNODE, mndCancelGetNextSnode);	716✔
55
56	return sdbSetTable(pMnode->pSdb, table);	716✔
57	}
58
59	void mndCleanupSnode(SMnode *pMnode) {}	715✔
60
61	SEpSet mndAcquireEpFromSnode(SMnode pMnode, const SSnodeObj pSnode) {	40✔
62	SEpSet epSet = {.numOfEps = 1, .inUse = 0};	40✔
63	memcpy(epSet.eps[0].fqdn, pSnode->pDnode->fqdn, TSDB_FQDN_LEN);	40✔
64	epSet.eps[0].port = pSnode->pDnode->port;	40✔
65	return epSet;	40✔
66	}
67
68	SSnodeObj mndAcquireSnode(SMnode pMnode, int32_t snodeId) {	34✔
69	SSnodeObj *pObj = sdbAcquire(pMnode->pSdb, SDB_SNODE, &snodeId);	34✔
70	if (pObj == NULL && terrno == TSDB_CODE_SDB_OBJ_NOT_THERE) {	34!
71	terrno = TSDB_CODE_MND_SNODE_NOT_EXIST;	34✔
72	}
73	return pObj;	34✔
74	}
75
76	void mndReleaseSnode(SMnode pMnode, SSnodeObj pObj) {	37✔
77	SSdb *pSdb = pMnode->pSdb;	37✔
78	sdbRelease(pSdb, pObj);	37✔
79	}	37✔
80
81	static SSdbRaw mndSnodeActionEncode(SSnodeObj pObj) {	90✔
82	int32_t code = 0;	90✔
83	int32_t lino = 0;	90✔
84	terrno = TSDB_CODE_OUT_OF_MEMORY;	90✔
85
86	SSdbRaw *pRaw = sdbAllocRaw(SDB_SNODE, SNODE_VER_NUMBER, sizeof(SSnodeObj) + SNODE_RESERVE_SIZE);	90✔
87	if (pRaw == NULL) goto _OVER;	90!
88
89	int32_t dataPos = 0;	90✔
90	SDB_SET_INT32(pRaw, dataPos, pObj->id, _OVER)	90!
91	SDB_SET_INT64(pRaw, dataPos, pObj->createdTime, _OVER)	90!
92	SDB_SET_INT64(pRaw, dataPos, pObj->updateTime, _OVER)	90!
93	SDB_SET_RESERVE(pRaw, dataPos, SNODE_RESERVE_SIZE, _OVER)	90!
94
95	terrno = 0;	90✔
96
97	_OVER:	90✔
98	if (terrno != 0) {	90!
99	mError("snode:%d, failed to encode to raw:%p since %s", pObj->id, pRaw, terrstr());	×
100	sdbFreeRaw(pRaw);	×
101	return NULL;	×
102	}
103
104	mTrace("snode:%d, encode to raw:%p, row:%p", pObj->id, pRaw, pObj);	90!
105	return pRaw;	90✔
106	}
107
108	static SSdbRow mndSnodeActionDecode(SSdbRaw pRaw) {	20✔
109	int32_t code = 0;	20✔
110	int32_t lino = 0;	20✔
111	terrno = TSDB_CODE_OUT_OF_MEMORY;	20✔
112	SSdbRow *pRow = NULL;	20✔
113	SSnodeObj *pObj = NULL;	20✔
114
115	int8_t sver = 0;	20✔
116	if (sdbGetRawSoftVer(pRaw, &sver) != 0) goto _OVER;	20!
117
118	if (sver != SNODE_VER_NUMBER) {	20!
119	terrno = TSDB_CODE_SDB_INVALID_DATA_VER;	×
120	goto _OVER;	×
121	}
122
123	pRow = sdbAllocRow(sizeof(SSnodeObj));	20✔
124	if (pRow == NULL) goto _OVER;	20!
125
126	pObj = sdbGetRowObj(pRow);	20✔
127	if (pObj == NULL) goto _OVER;	20!
128
129	int32_t dataPos = 0;	20✔
130	SDB_GET_INT32(pRaw, dataPos, &pObj->id, _OVER)	20!
131	SDB_GET_INT64(pRaw, dataPos, &pObj->createdTime, _OVER)	20!
132	SDB_GET_INT64(pRaw, dataPos, &pObj->updateTime, _OVER)	20!
133	SDB_GET_RESERVE(pRaw, dataPos, SNODE_RESERVE_SIZE, _OVER)	20!
134
135	terrno = 0;	20✔
136
137	_OVER:	20✔
138	if (terrno != 0) {	20!
139	mError("snode:%d, failed to decode from raw:%p since %s", pObj == NULL ? 0 : pObj->id, pRaw, terrstr());	×
140	taosMemoryFreeClear(pRow);	×
141	return NULL;	×
142	}
143
144	mTrace("snode:%d, decode from raw:%p, row:%p", pObj->id, pRaw, pObj);	20!
145	return pRow;	20✔
146	}
147
148	static int32_t mndSnodeActionInsert(SSdb pSdb, SSnodeObj pObj) {	13✔
149	mTrace("snode:%d, perform insert action, row:%p", pObj->id, pObj);	13!
150	pObj->pDnode = sdbAcquire(pSdb, SDB_DNODE, &pObj->id);	13✔
151	if (pObj->pDnode == NULL) {	13!
152	terrno = TSDB_CODE_MND_DNODE_NOT_EXIST;	×
153	mError("snode:%d, failed to perform insert action since %s", pObj->id, terrstr());	×
154	return -1;	×
155	}
156
157	return 0;	13✔
158	}
159
160	static int32_t mndSnodeActionDelete(SSdb pSdb, SSnodeObj pObj) {	20✔
161	mTrace("snode:%d, perform delete action, row:%p", pObj->id, pObj);	20!
162	if (pObj->pDnode != NULL) {	20✔
163	sdbRelease(pSdb, pObj->pDnode);	13✔
164	pObj->pDnode = NULL;	13✔
165	}
166
167	return 0;	20✔
168	}
169
170	static int32_t mndSnodeActionUpdate(SSdb pSdb, SSnodeObj pOld, SSnodeObj *pNew) {	7✔
171	mTrace("snode:%d, perform update action, old row:%p new row:%p", pOld->id, pOld, pNew);	7!
172	pOld->updateTime = pNew->updateTime;	7✔
173	return 0;	7✔
174	}
175
176	static int32_t mndSetCreateSnodeRedoLogs(STrans pTrans, SSnodeObj pObj) {	7✔
177	int32_t code = 0;	7✔
178	SSdbRaw *pRedoRaw = mndSnodeActionEncode(pObj);	7✔
179	if (pRedoRaw == NULL) {	7!
180	code = TSDB_CODE_MND_RETURN_VALUE_NULL;	×
181	if (terrno != 0) code = terrno;	×
182	TAOS_RETURN(code);	×
183	}
184	TAOS_CHECK_RETURN(mndTransAppendRedolog(pTrans, pRedoRaw));	7!
185	TAOS_CHECK_RETURN(sdbSetRawStatus(pRedoRaw, SDB_STATUS_CREATING));	7!
186	TAOS_RETURN(code);	7✔
187	}
188
189	static int32_t mndSetCreateSnodeUndoLogs(STrans pTrans, SSnodeObj pObj) {	7✔
190	int32_t code = 0;	7✔
191	SSdbRaw *pUndoRaw = mndSnodeActionEncode(pObj);	7✔
192	if (pUndoRaw == NULL) {	7!
193	code = TSDB_CODE_MND_RETURN_VALUE_NULL;	×
194	if (terrno != 0) code = terrno;	×
195	TAOS_RETURN(code);	×
196	}
197	TAOS_CHECK_RETURN(mndTransAppendUndolog(pTrans, pUndoRaw));	7!
198	TAOS_CHECK_RETURN(sdbSetRawStatus(pUndoRaw, SDB_STATUS_DROPPED));	7!
199	TAOS_RETURN(code);	7✔
200	}
201
202	static int32_t mndSetCreateSnodeCommitLogs(STrans pTrans, SSnodeObj pObj) {	7✔
203	int32_t code = 0;	7✔
204	SSdbRaw *pCommitRaw = mndSnodeActionEncode(pObj);	7✔
205	if (pCommitRaw == NULL) {	7!
206	code = TSDB_CODE_MND_RETURN_VALUE_NULL;	×
207	if (terrno != 0) code = terrno;	×
208	TAOS_RETURN(code);	×
209	}
210	TAOS_CHECK_RETURN(mndTransAppendCommitlog(pTrans, pCommitRaw));	7!
211	TAOS_CHECK_RETURN(sdbSetRawStatus(pCommitRaw, SDB_STATUS_READY));	7!
212	TAOS_RETURN(code);	7✔
213	}
214
215	static int32_t mndSetCreateSnodeRedoActions(STrans pTrans, SDnodeObj pDnode, SSnodeObj *pObj) {	7✔
216	int32_t code = 0;	7✔
217	SDCreateSnodeReq createReq = {0};	7✔
218	createReq.dnodeId = pDnode->id;	7✔
219
220	int32_t contLen = tSerializeSCreateDropMQSNodeReq(NULL, 0, &createReq);	7✔
221	void *pReq = taosMemoryMalloc(contLen);	7✔
222	if (pReq == NULL) {	7!
223	code = terrno;	×
224	TAOS_RETURN(code);	×
225	}
226	code = tSerializeSCreateDropMQSNodeReq(pReq, contLen, &createReq);	7✔
227	if (code < 0) {	7!
228	mError("snode:%d, failed to serialize create drop snode request since %s", createReq.dnodeId, terrstr());	×
229	}
230
231	STransAction action = {0};	7✔
232	action.epSet = mndGetDnodeEpset(pDnode);	7✔
233	action.pCont = pReq;	7✔
234	action.contLen = contLen;	7✔
235	action.msgType = TDMT_DND_CREATE_SNODE;	7✔
236	action.acceptableCode = TSDB_CODE_SNODE_ALREADY_DEPLOYED;	7✔
237
238	if ((code = mndTransAppendRedoAction(pTrans, &action)) != 0) {	7!
239	taosMemoryFree(pReq);	×
240	TAOS_RETURN(code);	×
241	}
242
243	TAOS_RETURN(code);	7✔
244	}
245
246	static int32_t mndSetCreateSnodeUndoActions(STrans pTrans, SDnodeObj pDnode, SSnodeObj *pObj) {	7✔
247	int32_t code = 0;	7✔
248	SDDropSnodeReq dropReq = {0};	7✔
249	dropReq.dnodeId = pDnode->id;	7✔
250
251	int32_t contLen = tSerializeSCreateDropMQSNodeReq(NULL, 0, &dropReq);	7✔
252	void *pReq = taosMemoryMalloc(contLen);	7✔
253	if (pReq == NULL) {	7!
254	code = terrno;	×
255	TAOS_RETURN(code);	×
256	}
257	code = tSerializeSCreateDropMQSNodeReq(pReq, contLen, &dropReq);	7✔
258	if (code < 0) {	7!
259	mError("snode:%d, failed to serialize create drop snode request since %s", dropReq.dnodeId, terrstr());	×
260	}
261
262	STransAction action = {0};	7✔
263	action.epSet = mndGetDnodeEpset(pDnode);	7✔
264	action.pCont = pReq;	7✔
265	action.contLen = contLen;	7✔
266	action.msgType = TDMT_DND_DROP_SNODE;	7✔
267	action.acceptableCode = TSDB_CODE_SNODE_NOT_DEPLOYED;	7✔
268
269	if ((code = mndTransAppendUndoAction(pTrans, &action)) != 0) {	7!
270	taosMemoryFree(pReq);	×
271	TAOS_RETURN(code);	×
272	}
273
274	TAOS_RETURN(code);	7✔
275	}
276
277	static int32_t mndCreateSnode(SMnode pMnode, SRpcMsg pReq, SDnodeObj pDnode, SMCreateSnodeReq pCreate) {	7✔
278	int32_t code = -1;	7✔
279
280	SSnodeObj snodeObj = {0};	7✔
281	snodeObj.id = pDnode->id;	7✔
282	snodeObj.createdTime = taosGetTimestampMs();	7✔
283	snodeObj.updateTime = snodeObj.createdTime;	7✔
284
285	STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_ROLLBACK, TRN_CONFLICT_NOTHING, pReq, "create-snode");	7✔
286	if (pTrans == NULL) {	7!
287	code = TSDB_CODE_MND_RETURN_VALUE_NULL;	×
288	if (terrno != 0) code = terrno;	×
289	goto _OVER;	×
290	}
291	mndTransSetSerial(pTrans);	7✔
292
293	mInfo("trans:%d, used to create snode:%d", pTrans->id, pCreate->dnodeId);	7!
294
295	TAOS_CHECK_GOTO(mndSetCreateSnodeRedoLogs(pTrans, &snodeObj), NULL, _OVER);	7!
296	TAOS_CHECK_GOTO(mndSetCreateSnodeUndoLogs(pTrans, &snodeObj), NULL, _OVER);	7!
297	TAOS_CHECK_GOTO(mndSetCreateSnodeCommitLogs(pTrans, &snodeObj), NULL, _OVER);	7!
298	TAOS_CHECK_GOTO(mndSetCreateSnodeRedoActions(pTrans, pDnode, &snodeObj), NULL, _OVER);	7!
299	TAOS_CHECK_GOTO(mndSetCreateSnodeUndoActions(pTrans, pDnode, &snodeObj), NULL, _OVER);	7!
300	TAOS_CHECK_GOTO(mndTransPrepare(pMnode, pTrans), NULL, _OVER);	7!
301
302	code = 0;	7✔
303
304	_OVER:	7✔
305	mndTransDrop(pTrans);	7✔
306	TAOS_RETURN(code);	7✔
307	}
308
309	static int32_t mndProcessCreateSnodeReq(SRpcMsg *pReq) {	8✔
310	SMnode *pMnode = pReq->info.node;	8✔
311	int32_t code = -1;	8✔
312	SSnodeObj *pObj = NULL;	8✔
313	SDnodeObj *pDnode = NULL;	8✔
314	SMCreateSnodeReq createReq = {0};	8✔
315
316	TAOS_CHECK_GOTO(tDeserializeSCreateDropMQSNodeReq(pReq->pCont, pReq->contLen, &createReq), NULL, _OVER);	8!
317
318	mInfo("snode:%d, start to create", createReq.dnodeId);	8!
319	TAOS_CHECK_GOTO(mndCheckOperPrivilege(pMnode, pReq->info.conn.user, MND_OPER_CREATE_SNODE), NULL, _OVER);	8✔
320
321	// pObj = mndAcquireSnode(pMnode, createReq.dnodeId);
322	// if (pObj != NULL) {
323	// terrno = TSDB_CODE_MND_SNODE_ALREADY_EXIST;
324	// goto _OVER;
325	// } else if (terrno != TSDB_CODE_MND_SNODE_NOT_EXIST) {
326	// goto _OVER;
327	// }
328
329	if (sdbGetSize(pMnode->pSdb, SDB_SNODE) >= 1) {	7!
UNCOV 330	code = TSDB_CODE_MND_SNODE_ALREADY_EXIST;	×
UNCOV 331	goto _OVER;	×
332	}
333
334	pDnode = mndAcquireDnode(pMnode, createReq.dnodeId);	7✔
335	if (pDnode == NULL) {	7!
336	code = TSDB_CODE_MND_DNODE_NOT_EXIST;	×
337	goto _OVER;	×
338	}
339
340	code = mndCreateSnode(pMnode, pReq, pDnode, &createReq);	7✔
341	if (code == 0) code = TSDB_CODE_ACTION_IN_PROGRESS;	7!
342
343	_OVER:	×
344	if (code != 0 && code != TSDB_CODE_ACTION_IN_PROGRESS) {	8!
345	mError("snode:%d, failed to create since %s", createReq.dnodeId, tstrerror(code));	1!
346	TAOS_RETURN(code);	1✔
347	}
348
349	// mndReleaseSnode(pMnode, pObj);
350	mndReleaseDnode(pMnode, pDnode);	7✔
351	tFreeSMCreateQnodeReq(&createReq);	7✔
352	TAOS_RETURN(code);	7✔
353	}
354
UNCOV 355	static int32_t mndSetDropSnodeRedoLogs(STrans pTrans, SSnodeObj pObj) {	×
UNCOV 356	int32_t code = 0;	×
UNCOV 357	SSdbRaw *pRedoRaw = mndSnodeActionEncode(pObj);	×
UNCOV 358	if (pRedoRaw == NULL) {	×
359	code = TSDB_CODE_MND_RETURN_VALUE_NULL;	×
360	if (terrno != 0) code = terrno;	×
361	TAOS_RETURN(code);	×
362	}
UNCOV 363	TAOS_CHECK_RETURN(mndTransAppendRedolog(pTrans, pRedoRaw));	×
UNCOV 364	TAOS_CHECK_RETURN(sdbSetRawStatus(pRedoRaw, SDB_STATUS_DROPPING));	×
UNCOV 365	TAOS_RETURN(code);	×
366	}
367
UNCOV 368	static int32_t mndSetDropSnodeCommitLogs(STrans pTrans, SSnodeObj pObj) {	×
UNCOV 369	int32_t code = 0;	×
UNCOV 370	SSdbRaw *pCommitRaw = mndSnodeActionEncode(pObj);	×
UNCOV 371	if (pCommitRaw == NULL) {	×
372	code = TSDB_CODE_MND_RETURN_VALUE_NULL;	×
373	if (terrno != 0) code = terrno;	×
374	TAOS_RETURN(code);	×
375	}
UNCOV 376	TAOS_CHECK_RETURN(mndTransAppendCommitlog(pTrans, pCommitRaw));	×
UNCOV 377	TAOS_CHECK_RETURN(sdbSetRawStatus(pCommitRaw, SDB_STATUS_DROPPED));	×
UNCOV 378	TAOS_RETURN(code);	×
379	}
380
UNCOV 381	static int32_t mndSetDropSnodeRedoActions(STrans pTrans, SDnodeObj pDnode, SSnodeObj *pObj) {	×
UNCOV 382	int32_t code = 0;	×
UNCOV 383	SDDropSnodeReq dropReq = {0};	×
UNCOV 384	dropReq.dnodeId = pDnode->id;	×
385
UNCOV 386	int32_t contLen = tSerializeSCreateDropMQSNodeReq(NULL, 0, &dropReq);	×
UNCOV 387	void *pReq = taosMemoryMalloc(contLen);	×
UNCOV 388	if (pReq == NULL) {	×
389	code = terrno;	×
390	TAOS_RETURN(code);	×
391	}
UNCOV 392	code = tSerializeSCreateDropMQSNodeReq(pReq, contLen, &dropReq);	×
UNCOV 393	if (code < 0) {	×
394	mError("snode:%d, failed to serialize create drop snode request since %s", dropReq.dnodeId, terrstr());	×
395	}
396
UNCOV 397	STransAction action = {0};	×
UNCOV 398	action.epSet = mndGetDnodeEpset(pDnode);	×
UNCOV 399	action.pCont = pReq;	×
UNCOV 400	action.contLen = contLen;	×
UNCOV 401	action.msgType = TDMT_DND_DROP_SNODE;	×
UNCOV 402	action.acceptableCode = TSDB_CODE_SNODE_NOT_DEPLOYED;	×
403
UNCOV 404	if ((code = mndTransAppendRedoAction(pTrans, &action)) != 0) {	×
405	taosMemoryFree(pReq);	×
406	TAOS_RETURN(code);	×
407	}
408
UNCOV 409	TAOS_RETURN(code);	×
410	}
411
UNCOV 412	int32_t mndSetDropSnodeInfoToTrans(SMnode pMnode, STrans pTrans, SSnodeObj *pObj, bool force) {	×
UNCOV 413	if (pObj == NULL) return 0;	×
UNCOV 414	TAOS_CHECK_RETURN(mndSetDropSnodeRedoLogs(pTrans, pObj));	×
UNCOV 415	TAOS_CHECK_RETURN(mndSetDropSnodeCommitLogs(pTrans, pObj));	×
UNCOV 416	if (!force) {	×
UNCOV 417	TAOS_CHECK_RETURN(mndSetDropSnodeRedoActions(pTrans, pObj->pDnode, pObj));	×
418	}
UNCOV 419	return 0;	×
420	}
421
UNCOV 422	static int32_t mndDropSnode(SMnode pMnode, SRpcMsg pReq, SSnodeObj *pObj) {	×
UNCOV 423	int32_t code = -1;	×
424
UNCOV 425	STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_RETRY, TRN_CONFLICT_NOTHING, pReq, "drop-snode");	×
UNCOV 426	if (pTrans == NULL) {	×
427	code = TSDB_CODE_MND_RETURN_VALUE_NULL;	×
428	if (terrno != 0) code = terrno;	×
429	goto _OVER;	×
430	}
UNCOV 431	mndTransSetSerial(pTrans);	×
432
UNCOV 433	mInfo("trans:%d, used to drop snode:%d", pTrans->id, pObj->id);	×
UNCOV 434	TAOS_CHECK_GOTO(mndSetDropSnodeInfoToTrans(pMnode, pTrans, pObj, false), NULL, _OVER);	×
UNCOV 435	TAOS_CHECK_GOTO(mndTransPrepare(pMnode, pTrans), NULL, _OVER);	×
436
UNCOV 437	code = 0;	×
438
UNCOV 439	_OVER:	×
UNCOV 440	mndTransDrop(pTrans);	×
UNCOV 441	TAOS_RETURN(code);	×
442	}
443
444	static int32_t mndProcessDropSnodeReq(SRpcMsg *pReq) {	1✔
445	SMnode *pMnode = pReq->info.node;	1✔
446	int32_t code = -1;	1✔
447	SSnodeObj *pObj = NULL;	1✔
448	SMDropSnodeReq dropReq = {0};	1✔
449
450	TAOS_CHECK_GOTO(tDeserializeSCreateDropMQSNodeReq(pReq->pCont, pReq->contLen, &dropReq), NULL, _OVER);	1!
451
452	mInfo("snode:%d, start to drop", dropReq.dnodeId);	1!
453	TAOS_CHECK_GOTO(mndCheckOperPrivilege(pMnode, pReq->info.conn.user, MND_OPER_DROP_SNODE), NULL, _OVER);	1!
454
UNCOV 455	if (dropReq.dnodeId <= 0) {	×
456	code = TSDB_CODE_INVALID_MSG;	×
457	goto _OVER;	×
458	}
459
UNCOV 460	pObj = mndAcquireSnode(pMnode, dropReq.dnodeId);	×
UNCOV 461	if (pObj == NULL) {	×
UNCOV 462	code = TSDB_CODE_MND_RETURN_VALUE_NULL;	×
UNCOV 463	if (terrno != 0) code = terrno;	×
UNCOV 464	goto _OVER;	×
465	}
466
467	// check deletable
UNCOV 468	code = mndDropSnode(pMnode, pReq, pObj);	×
UNCOV 469	if (code == 0) code = TSDB_CODE_ACTION_IN_PROGRESS;	×
470
471	_OVER:	×
472	if (code != 0 && code != TSDB_CODE_ACTION_IN_PROGRESS) {	1!
473	mError("snode:%d, failed to drop since %s", dropReq.dnodeId, tstrerror(code));	1!
474	}
475
476	mndReleaseSnode(pMnode, pObj);	1✔
477	tFreeSMCreateQnodeReq(&dropReq);	1✔
478	TAOS_RETURN(code);	1✔
479	}
480
481	static int32_t mndRetrieveSnodes(SRpcMsg pReq, SShowObj pShow, SSDataBlock *pBlock, int32_t rows) {	13✔
482	SMnode *pMnode = pReq->info.node;	13✔
483	SSdb *pSdb = pMnode->pSdb;	13✔
484	int32_t numOfRows = 0;	13✔
485	int32_t cols = 0;	13✔
486	SSnodeObj *pObj = NULL;	13✔
487
488	while (numOfRows < rows) {	20!
489	pShow->pIter = sdbFetch(pSdb, SDB_SNODE, pShow->pIter, (void **)&pObj);	20✔
490	if (pShow->pIter == NULL) break;	20✔
491
492	cols = 0;	7✔
493	SColumnInfoData *pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);	7✔
494	TAOS_CHECK_RETURN_WITH_RELEASE(colDataSetVal(pColInfo, numOfRows, (const char *)&pObj->id, false), pSdb, pObj);	7!
495
496	char ep[TSDB_EP_LEN + VARSTR_HEADER_SIZE] = {0};	7✔
497	STR_WITH_MAXSIZE_TO_VARSTR(ep, pObj->pDnode->ep, pShow->pMeta->pSchemas[cols].bytes);	7✔
498
499	pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);	7✔
500	TAOS_CHECK_RETURN_WITH_RELEASE(colDataSetVal(pColInfo, numOfRows, (const char *)ep, false), pSdb, pObj);	7!
501
502	pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);	7✔
503	TAOS_CHECK_RETURN_WITH_RELEASE(colDataSetVal(pColInfo, numOfRows, (const char *)&pObj->createdTime, false), pSdb,	7!
504	pObj);
505
506	numOfRows++;	7✔
507	sdbRelease(pSdb, pObj);	7✔
508	}
509
510	pShow->numOfRows += numOfRows;	13✔
511
512	return numOfRows;	13✔
513	}
514
515	static void mndCancelGetNextSnode(SMnode pMnode, void pIter) {	×
516	SSdb *pSdb = pMnode->pSdb;	×
517	sdbCancelFetchByType(pSdb, pIter, SDB_SNODE);	×
518	}	×

taosdata / TDengine / #3523

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