#4495

Committed 12 Jul 2025 07:47AM UTC coverage: 62.706% (+0.07%) from 62.635%

Build # #4495

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Commit Message

docs: update stream docs (#31822)

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72.55

/source/common/src/msg/streamMsg.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 "streamMsg.h"
#include "os.h"
#include "tcommon.h"

typedef struct STaskId {
  int64_t streamId;
  int64_t taskId;
} STaskId;

typedef struct STaskCkptInfo {
  int64_t latestId;          // saved checkpoint id
  int64_t latestVer;         // saved checkpoint ver
  int64_t latestTime;        // latest checkpoint time
  int64_t latestSize;        // latest checkpoint size
  int8_t  remoteBackup;      // latest checkpoint backup done
  int64_t activeId;          // current active checkpoint id
  int32_t activeTransId;     // checkpoint trans id
  int8_t  failed;            // denote if the checkpoint is failed or not
  int8_t  consensusChkptId;  // required the consensus-checkpointId
  int64_t consensusTs;       //
} STaskCkptInfo;

typedef struct STaskStatusEntry {
  STaskId       id;
  int32_t       status;
  int32_t       statusLastDuration;  // to record the last duration of current status
  int64_t       stage;
  int32_t       nodeId;
  SVersionRange verRange;      // start/end version in WAL, only valid for source task
  int64_t       processedVer;  // only valid for source task
  double        inputQUsed;    // in MiB
  double        inputRate;
  double        procsThroughput;   // duration between one element put into input queue and being processed.
  double        procsTotal;        // duration between one element put into input queue and being processed.
  double        outputThroughput;  // the size of dispatched result blocks in bytes
  double        outputTotal;       // the size of dispatched result blocks in bytes
  double        sinkQuota;         // existed quota size for sink task
  double        sinkDataSize;      // sink to dst data size
  int64_t       startTime;
  int64_t       startCheckpointId;
  int64_t       startCheckpointVer;
  int64_t       hTaskId;
  STaskCkptInfo checkpointInfo;
  STaskNotifyEventStat notifyEventStat;
} STaskStatusEntry;

int32_t tEncodeStreamEpInfo(SEncoder* pEncoder, const SStreamUpstreamEpInfo* pInfo) {
  TAOS_CHECK_RETURN(tEncodeI32(pEncoder, pInfo->taskId));
  TAOS_CHECK_RETURN(tEncodeI32(pEncoder, pInfo->nodeId));
  TAOS_CHECK_RETURN(tEncodeI32(pEncoder, pInfo->childId));
  TAOS_CHECK_RETURN(tEncodeSEpSet(pEncoder, &pInfo->epSet));
  TAOS_CHECK_RETURN(tEncodeI64(pEncoder, pInfo->stage));
  return 0;
}

int32_t tDecodeStreamEpInfo(SDecoder* pDecoder, SStreamUpstreamEpInfo* pInfo) {
  TAOS_CHECK_RETURN(tDecodeI32(pDecoder, &pInfo->taskId));
  TAOS_CHECK_RETURN(tDecodeI32(pDecoder, &pInfo->nodeId));
  TAOS_CHECK_RETURN(tDecodeI32(pDecoder, &pInfo->childId));
  TAOS_CHECK_RETURN(tDecodeSEpSet(pDecoder, &pInfo->epSet));
  TAOS_CHECK_RETURN(tDecodeI64(pDecoder, &pInfo->stage));
  return 0;
}

int32_t tEncodeStreamCheckpointSourceReq(SEncoder* pEncoder, const SStreamCheckpointSourceReq* pReq) {
  TAOS_CHECK_RETURN(tStartEncode(pEncoder));
  TAOS_CHECK_RETURN(tEncodeI64(pEncoder, pReq->streamId));
  TAOS_CHECK_RETURN(tEncodeI64(pEncoder, pReq->checkpointId));
  TAOS_CHECK_RETURN(tEncodeI32(pEncoder, pReq->taskId));
  TAOS_CHECK_RETURN(tEncodeI32(pEncoder, pReq->nodeId));
  TAOS_CHECK_RETURN(tEncodeSEpSet(pEncoder, &pReq->mgmtEps));
  TAOS_CHECK_RETURN(tEncodeI32(pEncoder, pReq->mnodeId));
  TAOS_CHECK_RETURN(tEncodeI64(pEncoder, pReq->expireTime));
  TAOS_CHECK_RETURN(tEncodeI32(pEncoder, pReq->transId));
  TAOS_CHECK_RETURN(tEncodeI8(pEncoder, pReq->mndTrigger));
  tEndEncode(pEncoder);
  return pEncoder->pos;
}

int32_t tDecodeStreamCheckpointSourceReq(SDecoder* pDecoder, SStreamCheckpointSourceReq* pReq) {
  TAOS_CHECK_RETURN(tStartDecode(pDecoder));
  TAOS_CHECK_RETURN(tDecodeI64(pDecoder, &pReq->streamId));
  TAOS_CHECK_RETURN(tDecodeI64(pDecoder, &pReq->checkpointId));
  TAOS_CHECK_RETURN(tDecodeI32(pDecoder, &pReq->taskId));
  TAOS_CHECK_RETURN(tDecodeI32(pDecoder, &pReq->nodeId));
  TAOS_CHECK_RETURN(tDecodeSEpSet(pDecoder, &pReq->mgmtEps));
  TAOS_CHECK_RETURN(tDecodeI32(pDecoder, &pReq->mnodeId));
  TAOS_CHECK_RETURN(tDecodeI64(pDecoder, &pReq->expireTime));
  TAOS_CHECK_RETURN(tDecodeI32(pDecoder, &pReq->transId));
  TAOS_CHECK_RETURN(tDecodeI8(pDecoder, &pReq->mndTrigger));
  tEndDecode(pDecoder);
  return 0;
}

int32_t tEncodeStreamCheckpointSourceRsp(SEncoder* pEncoder, const SStreamCheckpointSourceRsp* pRsp) {
  TAOS_CHECK_RETURN(tStartEncode(pEncoder));
  TAOS_CHECK_RETURN(tEncodeI64(pEncoder, pRsp->streamId));
  TAOS_CHECK_RETURN(tEncodeI64(pEncoder, pRsp->checkpointId));
  TAOS_CHECK_RETURN(tEncodeI32(pEncoder, pRsp->taskId));
  TAOS_CHECK_RETURN(tEncodeI32(pEncoder, pRsp->nodeId));
  TAOS_CHECK_RETURN(tEncodeI64(pEncoder, pRsp->expireTime));
  TAOS_CHECK_RETURN(tEncodeI8(pEncoder, pRsp->success));
  tEndEncode(pEncoder);
  return pEncoder->pos;
}

int32_t tEncodeStreamTaskUpdateMsg(SEncoder* pEncoder, const SStreamTaskNodeUpdateMsg* pMsg) {
  int32_t code = 0;
  int32_t lino;

  TAOS_CHECK_EXIT(tStartEncode(pEncoder));
  TAOS_CHECK_EXIT(tEncodeI64(pEncoder, pMsg->streamId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pMsg->taskId));

  int32_t size = taosArrayGetSize(pMsg->pNodeList);
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, size));

  for (int32_t i = 0; i < size; ++i) {
    SNodeUpdateInfo* pInfo = taosArrayGet(pMsg->pNodeList, i);
    if (pInfo == NULL) {
      TAOS_CHECK_EXIT(terrno);
    }

    TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pInfo->nodeId));
    TAOS_CHECK_EXIT(tEncodeSEpSet(pEncoder, &pInfo->prevEp));
    TAOS_CHECK_EXIT(tEncodeSEpSet(pEncoder, &pInfo->newEp));
  }

  // todo this new attribute will be result in being incompatible with previous version
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pMsg->transId));

  int32_t numOfTasks = taosArrayGetSize(pMsg->pTaskList);
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, numOfTasks));

  for (int32_t i = 0; i < numOfTasks; ++i) {
    int32_t* pId = taosArrayGet(pMsg->pTaskList, i);
    if (pId == NULL) {
      TAOS_CHECK_EXIT(terrno);
    }
    TAOS_CHECK_EXIT(tEncodeI32(pEncoder, *(int32_t*)pId));
  }

  tEndEncode(pEncoder);
_exit:
  if (code) {
    return code;
  } else {
    return pEncoder->pos;
  }
}

int32_t tDecodeStreamTaskUpdateMsg(SDecoder* pDecoder, SStreamTaskNodeUpdateMsg* pMsg) {
  int32_t code = 0;
  int32_t lino;

  TAOS_CHECK_EXIT(tStartDecode(pDecoder));
  TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &pMsg->streamId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pMsg->taskId));

  int32_t size = 0;
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &size));

  pMsg->pNodeList = taosArrayInit(size, sizeof(SNodeUpdateInfo));
  TSDB_CHECK_NULL(pMsg->pNodeList, code, lino, _exit, terrno);

  for (int32_t i = 0; i < size; ++i) {
    SNodeUpdateInfo info = {0};
    TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &info.nodeId));
    TAOS_CHECK_EXIT(tDecodeSEpSet(pDecoder, &info.prevEp));
    TAOS_CHECK_EXIT(tDecodeSEpSet(pDecoder, &info.newEp));

    if (taosArrayPush(pMsg->pNodeList, &info) == NULL) {
      TAOS_CHECK_EXIT(terrno);
    }
  }

  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pMsg->transId));

  // number of tasks
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &size));
  pMsg->pTaskList = taosArrayInit(size, sizeof(int32_t));
  if (pMsg->pTaskList == NULL) {
    TAOS_CHECK_EXIT(terrno);
  }

  for (int32_t i = 0; i < size; ++i) {
    int32_t id = 0;
    TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &id));
    if (taosArrayPush(pMsg->pTaskList, &id) == NULL) {
      TAOS_CHECK_EXIT(terrno);
    }
  }

  tEndDecode(pDecoder);
_exit:
  return code;
}

void tDestroyNodeUpdateMsg(SStreamTaskNodeUpdateMsg* pMsg) {
  taosArrayDestroy(pMsg->pNodeList);
  taosArrayDestroy(pMsg->pTaskList);
  pMsg->pNodeList = NULL;
  pMsg->pTaskList = NULL;
}

int32_t tEncodeStreamTaskCheckReq(SEncoder* pEncoder, const SStreamTaskCheckReq* pReq) {
  int32_t code = 0;
  int32_t lino;

  TAOS_CHECK_EXIT(tStartEncode(pEncoder));
  TAOS_CHECK_EXIT(tEncodeI64(pEncoder, pReq->reqId));
  TAOS_CHECK_EXIT(tEncodeI64(pEncoder, pReq->streamId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pReq->upstreamNodeId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pReq->upstreamTaskId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pReq->downstreamNodeId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pReq->downstreamTaskId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pReq->childId));
  TAOS_CHECK_EXIT(tEncodeI64(pEncoder, pReq->stage));
  tEndEncode(pEncoder);

_exit:
  if (code) {
    return code;
  } else {
    return pEncoder->pos;
  }
}

int32_t tDecodeStreamTaskCheckReq(SDecoder* pDecoder, SStreamTaskCheckReq* pReq) {
  int32_t code = 0;
  int32_t lino;

  TAOS_CHECK_EXIT(tStartDecode(pDecoder));
  TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &pReq->reqId));
  TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &pReq->streamId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pReq->upstreamNodeId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pReq->upstreamTaskId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pReq->downstreamNodeId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pReq->downstreamTaskId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pReq->childId));
  TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &pReq->stage));
  tEndDecode(pDecoder);

_exit:
  return code;
}

int32_t tEncodeStreamTaskCheckRsp(SEncoder* pEncoder, const SStreamTaskCheckRsp* pRsp) {
  int32_t code = 0;
  int32_t lino;

  TAOS_CHECK_EXIT(tStartEncode(pEncoder));
  TAOS_CHECK_EXIT(tEncodeI64(pEncoder, pRsp->reqId));
  TAOS_CHECK_EXIT(tEncodeI64(pEncoder, pRsp->streamId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pRsp->upstreamNodeId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pRsp->upstreamTaskId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pRsp->downstreamNodeId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pRsp->downstreamTaskId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pRsp->childId));
  TAOS_CHECK_EXIT(tEncodeI64(pEncoder, pRsp->oldStage));
  TAOS_CHECK_EXIT(tEncodeI8(pEncoder, pRsp->status));
  tEndEncode(pEncoder);

_exit:
  if (code) {
    return code;
  } else {
    return pEncoder->pos;
  }
}

int32_t tDecodeStreamTaskCheckRsp(SDecoder* pDecoder, SStreamTaskCheckRsp* pRsp) {
  int32_t code = 0;
  int32_t lino;

  TAOS_CHECK_EXIT(tStartDecode(pDecoder));
  TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &pRsp->reqId));
  TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &pRsp->streamId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pRsp->upstreamNodeId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pRsp->upstreamTaskId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pRsp->downstreamNodeId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pRsp->downstreamTaskId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pRsp->childId));
  TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &pRsp->oldStage));
  TAOS_CHECK_EXIT(tDecodeI8(pDecoder, &pRsp->status));
  tEndDecode(pDecoder);

_exit:
  return code;
}

int32_t tEncodeStreamCheckpointReadyMsg(SEncoder* pEncoder, const SStreamCheckpointReadyMsg* pReq) {
  int32_t code = 0;
  int32_t lino;

  TAOS_CHECK_EXIT(tStartEncode(pEncoder));
  TAOS_CHECK_EXIT(tEncodeI64(pEncoder, pReq->streamId));
  TAOS_CHECK_EXIT(tEncodeI64(pEncoder, pReq->checkpointId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pReq->downstreamTaskId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pReq->downstreamNodeId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pReq->upstreamTaskId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pReq->upstreamNodeId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pReq->childId));
  tEndEncode(pEncoder);

_exit:
  if (code) {
    return code;
  } else {
    return pEncoder->pos;
  }
}

int32_t tDecodeStreamCheckpointReadyMsg(SDecoder* pDecoder, SStreamCheckpointReadyMsg* pRsp) {
  int32_t code = 0;
  int32_t lino;

  TAOS_CHECK_EXIT(tStartDecode(pDecoder));
  TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &pRsp->streamId));
  TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &pRsp->checkpointId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pRsp->downstreamTaskId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pRsp->downstreamNodeId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pRsp->upstreamTaskId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pRsp->upstreamNodeId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pRsp->childId));
  tEndDecode(pDecoder);

_exit:
  return code;
}

int32_t tEncodeStreamDispatchReq(SEncoder* pEncoder, const SStreamDispatchReq* pReq) {
  int32_t code = 0;
  int32_t lino;

  TAOS_CHECK_EXIT(tStartEncode(pEncoder));
  TAOS_CHECK_EXIT(tEncodeI64(pEncoder, pReq->stage));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pReq->msgId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pReq->srcVgId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pReq->type));
  TAOS_CHECK_EXIT(tEncodeI64(pEncoder, pReq->streamId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pReq->taskId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pReq->type));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pReq->upstreamTaskId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pReq->upstreamChildId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pReq->upstreamNodeId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pReq->upstreamRelTaskId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pReq->blockNum));
  TAOS_CHECK_EXIT(tEncodeI64(pEncoder, pReq->totalLen));

  if (taosArrayGetSize(pReq->data) != pReq->blockNum || taosArrayGetSize(pReq->dataLen) != pReq->blockNum) {
    uError("invalid dispatch req msg");
    TAOS_CHECK_EXIT(TSDB_CODE_INVALID_MSG);
  }

  for (int32_t i = 0; i < pReq->blockNum; i++) {
    int32_t* pLen = taosArrayGet(pReq->dataLen, i);
    void*    data = taosArrayGetP(pReq->data, i);
    if (data == NULL || pLen == NULL) {
      TAOS_CHECK_EXIT(terrno);
    }

    TAOS_CHECK_EXIT(tEncodeI32(pEncoder, *pLen));
    TAOS_CHECK_EXIT(tEncodeBinary(pEncoder, data, *pLen));
  }
  tEndEncode(pEncoder);
_exit:
  if (code) {
    return code;
  } else {
    return pEncoder->pos;
  }
}

int32_t tDecodeStreamDispatchReq(SDecoder* pDecoder, SStreamDispatchReq* pReq) {
  int32_t code = 0;
  int32_t lino;

  TAOS_CHECK_EXIT(tStartDecode(pDecoder));
  TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &pReq->stage));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pReq->msgId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pReq->srcVgId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pReq->type));
  TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &pReq->streamId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pReq->taskId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pReq->type));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pReq->upstreamTaskId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pReq->upstreamChildId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pReq->upstreamNodeId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pReq->upstreamRelTaskId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pReq->blockNum));
  TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &pReq->totalLen));

  if ((pReq->data = taosArrayInit(pReq->blockNum, sizeof(void*))) == NULL) {
    TAOS_CHECK_EXIT(terrno);
  }
  if ((pReq->dataLen = taosArrayInit(pReq->blockNum, sizeof(int32_t))) == NULL) {
    TAOS_CHECK_EXIT(terrno);
  }
  for (int32_t i = 0; i < pReq->blockNum; i++) {
    int32_t  len1;
    uint64_t len2;
    void*    data;
    TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &len1));
    TAOS_CHECK_EXIT(tDecodeBinaryAlloc(pDecoder, &data, &len2));

    if (len1 != len2) {
      TAOS_CHECK_EXIT(TSDB_CODE_INVALID_MSG);
    }

    if (taosArrayPush(pReq->dataLen, &len1) == NULL) {
      TAOS_CHECK_EXIT(terrno);
    }

    if (taosArrayPush(pReq->data, &data) == NULL) {
      TAOS_CHECK_EXIT(terrno);
    }
  }

  tEndDecode(pDecoder);
_exit:
  return code;
}

void tCleanupStreamDispatchReq(SStreamDispatchReq* pReq) {
  taosArrayDestroyP(pReq->data, NULL);
  taosArrayDestroy(pReq->dataLen);
}

int32_t tEncodeStreamRetrieveReq(SEncoder* pEncoder, const SStreamRetrieveReq* pReq) {
  int32_t code = 0;
  int32_t lino;

  TAOS_CHECK_EXIT(tStartEncode(pEncoder));
  TAOS_CHECK_EXIT(tEncodeI64(pEncoder, pReq->streamId));
  TAOS_CHECK_EXIT(tEncodeI64(pEncoder, pReq->reqId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pReq->dstNodeId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pReq->dstTaskId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pReq->srcNodeId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pReq->srcTaskId));
  TAOS_CHECK_EXIT(tEncodeBinary(pEncoder, (const uint8_t*)pReq->pRetrieve, pReq->retrieveLen));
  tEndEncode(pEncoder);

_exit:
  if (code) {
    return code;
  } else {
    return pEncoder->pos;
  }
}

int32_t tDecodeStreamRetrieveReq(SDecoder* pDecoder, SStreamRetrieveReq* pReq) {
  int32_t code = 0;
  int32_t lino;

  TAOS_CHECK_EXIT(tStartDecode(pDecoder));
  TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &pReq->streamId));
  TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &pReq->reqId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pReq->dstNodeId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pReq->dstTaskId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pReq->srcNodeId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pReq->srcTaskId));
  uint64_t len = 0;
  TAOS_CHECK_EXIT(tDecodeBinaryAlloc(pDecoder, (void**)&pReq->pRetrieve, &len));
  pReq->retrieveLen = (int32_t)len;
  tEndDecode(pDecoder);

_exit:
  return code;
}

void tCleanupStreamRetrieveReq(SStreamRetrieveReq* pReq) { taosMemoryFree(pReq->pRetrieve); }

int32_t tEncodeStreamTaskCheckpointReq(SEncoder* pEncoder, const SStreamTaskCheckpointReq* pReq) {
  int32_t code = 0;
  int32_t lino;

  TAOS_CHECK_EXIT(tStartEncode(pEncoder));
  TAOS_CHECK_EXIT(tEncodeI64(pEncoder, pReq->streamId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pReq->taskId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pReq->nodeId));
  tEndEncode(pEncoder);

_exit:
  return code;
}

int32_t tDecodeStreamTaskCheckpointReq(SDecoder* pDecoder, SStreamTaskCheckpointReq* pReq) {
  int32_t code = 0;
  int32_t lino;

  TAOS_CHECK_EXIT(tStartDecode(pDecoder));
  TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &pReq->streamId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pReq->taskId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pReq->nodeId));
  tEndDecode(pDecoder);

_exit:
  return code;
}

int32_t tEncodeStreamHbMsg(SEncoder* pEncoder, const SStreamHbMsg* pReq) {
  int32_t code = 0;
  int32_t lino;

  TAOS_CHECK_EXIT(tStartEncode(pEncoder));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pReq->vgId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pReq->numOfTasks));

  for (int32_t i = 0; i < pReq->numOfTasks; ++i) {
    STaskStatusEntry* ps = taosArrayGet(pReq->pTaskStatus, i);
    if (ps == NULL) {
      TAOS_CHECK_EXIT(terrno);
    }

    TAOS_CHECK_EXIT(tEncodeI64(pEncoder, ps->id.streamId));
    TAOS_CHECK_EXIT(tEncodeI32(pEncoder, ps->id.taskId));
    TAOS_CHECK_EXIT(tEncodeI32(pEncoder, ps->status));
    TAOS_CHECK_EXIT(tEncodeI64(pEncoder, ps->stage));
    TAOS_CHECK_EXIT(tEncodeI32(pEncoder, ps->nodeId));
    TAOS_CHECK_EXIT(tEncodeDouble(pEncoder, ps->inputQUsed));
    TAOS_CHECK_EXIT(tEncodeDouble(pEncoder, ps->inputRate));
    TAOS_CHECK_EXIT(tEncodeDouble(pEncoder, ps->procsTotal));
    TAOS_CHECK_EXIT(tEncodeDouble(pEncoder, ps->procsThroughput));
    TAOS_CHECK_EXIT(tEncodeDouble(pEncoder, ps->outputTotal));
    TAOS_CHECK_EXIT(tEncodeDouble(pEncoder, ps->outputThroughput));
    TAOS_CHECK_EXIT(tEncodeDouble(pEncoder, ps->sinkQuota));
    TAOS_CHECK_EXIT(tEncodeDouble(pEncoder, ps->sinkDataSize));
    TAOS_CHECK_EXIT(tEncodeI64(pEncoder, ps->processedVer));
    TAOS_CHECK_EXIT(tEncodeI64(pEncoder, ps->verRange.minVer));
    TAOS_CHECK_EXIT(tEncodeI64(pEncoder, ps->verRange.maxVer));
    TAOS_CHECK_EXIT(tEncodeI64(pEncoder, ps->checkpointInfo.activeId));
    TAOS_CHECK_EXIT(tEncodeI8(pEncoder, ps->checkpointInfo.failed));
    TAOS_CHECK_EXIT(tEncodeI32(pEncoder, ps->checkpointInfo.activeTransId));
    TAOS_CHECK_EXIT(tEncodeI64(pEncoder, ps->checkpointInfo.latestId));
    TAOS_CHECK_EXIT(tEncodeI64(pEncoder, ps->checkpointInfo.latestVer));
    TAOS_CHECK_EXIT(tEncodeI64(pEncoder, ps->checkpointInfo.latestTime));
    TAOS_CHECK_EXIT(tEncodeI64(pEncoder, ps->checkpointInfo.latestSize));
    TAOS_CHECK_EXIT(tEncodeI8(pEncoder, ps->checkpointInfo.remoteBackup));
    TAOS_CHECK_EXIT(tEncodeI8(pEncoder, ps->checkpointInfo.consensusChkptId));
    TAOS_CHECK_EXIT(tEncodeI64(pEncoder, ps->checkpointInfo.consensusTs));
    TAOS_CHECK_EXIT(tEncodeI64(pEncoder, ps->startTime));
    TAOS_CHECK_EXIT(tEncodeI64(pEncoder, ps->startCheckpointId));
    TAOS_CHECK_EXIT(tEncodeI64(pEncoder, ps->startCheckpointVer));
    TAOS_CHECK_EXIT(tEncodeI64(pEncoder, ps->hTaskId));
    TAOS_CHECK_EXIT(tEncodeI64(pEncoder, ps->notifyEventStat.notifyEventAddTimes));
    TAOS_CHECK_EXIT(tEncodeI64(pEncoder, ps->notifyEventStat.notifyEventAddElems));
    TAOS_CHECK_EXIT(tEncodeDouble(pEncoder, ps->notifyEventStat.notifyEventAddCostSec));
    TAOS_CHECK_EXIT(tEncodeI64(pEncoder, ps->notifyEventStat.notifyEventPushTimes));
    TAOS_CHECK_EXIT(tEncodeI64(pEncoder, ps->notifyEventStat.notifyEventPushElems));
    TAOS_CHECK_EXIT(tEncodeDouble(pEncoder, ps->notifyEventStat.notifyEventPushCostSec));
    TAOS_CHECK_EXIT(tEncodeI64(pEncoder, ps->notifyEventStat.notifyEventPackTimes));
    TAOS_CHECK_EXIT(tEncodeI64(pEncoder, ps->notifyEventStat.notifyEventPackElems));
    TAOS_CHECK_EXIT(tEncodeDouble(pEncoder, ps->notifyEventStat.notifyEventPackCostSec));
    TAOS_CHECK_EXIT(tEncodeI64(pEncoder, ps->notifyEventStat.notifyEventSendTimes));
    TAOS_CHECK_EXIT(tEncodeI64(pEncoder, ps->notifyEventStat.notifyEventSendElems));
    TAOS_CHECK_EXIT(tEncodeDouble(pEncoder, ps->notifyEventStat.notifyEventSendCostSec));
    TAOS_CHECK_EXIT(tEncodeI64(pEncoder, ps->notifyEventStat.notifyEventHoldElems));
  }

  int32_t numOfVgs = taosArrayGetSize(pReq->pUpdateNodes);
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, numOfVgs));

  for (int j = 0; j < numOfVgs; ++j) {
    int32_t* pVgId = taosArrayGet(pReq->pUpdateNodes, j);
    if (pVgId == NULL) {
      TAOS_CHECK_EXIT(terrno);
    }

    TAOS_CHECK_EXIT(tEncodeI32(pEncoder, *pVgId));
  }

  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pReq->msgId));
  TAOS_CHECK_EXIT(tEncodeI64(pEncoder, pReq->ts));
  tEndEncode(pEncoder);

_exit:
  if (code) {
    return code;
  } else {
    return pEncoder->pos;
  }
}

int32_t tDecodeStreamHbMsg(SDecoder* pDecoder, SStreamHbMsg* pReq) {
  int32_t code = 0;
  int32_t lino;

  TAOS_CHECK_EXIT(tStartDecode(pDecoder));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pReq->vgId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pReq->numOfTasks));

  if ((pReq->pTaskStatus = taosArrayInit(pReq->numOfTasks, sizeof(STaskStatusEntry))) == NULL) {
    TAOS_CHECK_EXIT(terrno);
  }
  for (int32_t i = 0; i < pReq->numOfTasks; ++i) {
    int32_t          taskId = 0;
    STaskStatusEntry entry = {0};

    TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &entry.id.streamId));
    TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &taskId));
    TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &entry.status));
    TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &entry.stage));
    TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &entry.nodeId));
    TAOS_CHECK_EXIT(tDecodeDouble(pDecoder, &entry.inputQUsed));
    TAOS_CHECK_EXIT(tDecodeDouble(pDecoder, &entry.inputRate));
    TAOS_CHECK_EXIT(tDecodeDouble(pDecoder, &entry.procsTotal));
    TAOS_CHECK_EXIT(tDecodeDouble(pDecoder, &entry.procsThroughput));
    TAOS_CHECK_EXIT(tDecodeDouble(pDecoder, &entry.outputTotal));
    TAOS_CHECK_EXIT(tDecodeDouble(pDecoder, &entry.outputThroughput));
    TAOS_CHECK_EXIT(tDecodeDouble(pDecoder, &entry.sinkQuota));
    TAOS_CHECK_EXIT(tDecodeDouble(pDecoder, &entry.sinkDataSize));
    TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &entry.processedVer));
    TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &entry.verRange.minVer));
    TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &entry.verRange.maxVer));
    TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &entry.checkpointInfo.activeId));
    TAOS_CHECK_EXIT(tDecodeI8(pDecoder, &entry.checkpointInfo.failed));
    TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &entry.checkpointInfo.activeTransId));

    TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &entry.checkpointInfo.latestId));
    TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &entry.checkpointInfo.latestVer));
    TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &entry.checkpointInfo.latestTime));
    TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &entry.checkpointInfo.latestSize));
    TAOS_CHECK_EXIT(tDecodeI8(pDecoder, &entry.checkpointInfo.remoteBackup));
    TAOS_CHECK_EXIT(tDecodeI8(pDecoder, &entry.checkpointInfo.consensusChkptId));
    TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &entry.checkpointInfo.consensusTs));
    TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &entry.startTime));
    TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &entry.startCheckpointId));
    TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &entry.startCheckpointVer));
    TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &entry.hTaskId));

    TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &entry.notifyEventStat.notifyEventAddTimes));
    TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &entry.notifyEventStat.notifyEventAddElems));
    TAOS_CHECK_EXIT(tDecodeDouble(pDecoder, &entry.notifyEventStat.notifyEventAddCostSec));
    TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &entry.notifyEventStat.notifyEventPushTimes));
    TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &entry.notifyEventStat.notifyEventPushElems));
    TAOS_CHECK_EXIT(tDecodeDouble(pDecoder, &entry.notifyEventStat.notifyEventPushCostSec));
    TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &entry.notifyEventStat.notifyEventPackTimes));
    TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &entry.notifyEventStat.notifyEventPackElems));
    TAOS_CHECK_EXIT(tDecodeDouble(pDecoder, &entry.notifyEventStat.notifyEventPackCostSec));
    TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &entry.notifyEventStat.notifyEventSendTimes));
    TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &entry.notifyEventStat.notifyEventSendElems));
    TAOS_CHECK_EXIT(tDecodeDouble(pDecoder, &entry.notifyEventStat.notifyEventSendCostSec));
    TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &entry.notifyEventStat.notifyEventHoldElems));

    entry.id.taskId = taskId;
    if (taosArrayPush(pReq->pTaskStatus, &entry) == NULL) {
      TAOS_CHECK_EXIT(terrno);
    }
  }

  int32_t numOfVgs = 0;
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &numOfVgs));

  if ((pReq->pUpdateNodes = taosArrayInit(numOfVgs, sizeof(int32_t))) == NULL) {
    TAOS_CHECK_EXIT(terrno);
  }

  for (int j = 0; j < numOfVgs; ++j) {
    int32_t vgId = 0;
    TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &vgId));
    if (taosArrayPush(pReq->pUpdateNodes, &vgId) == NULL) {
      TAOS_CHECK_EXIT(terrno);
    }
  }

  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pReq->msgId));
  TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &pReq->ts));
  tEndDecode(pDecoder);

_exit:
  return code;
}

void tCleanupStreamHbMsg(SStreamHbMsg* pMsg) {
  if (pMsg == NULL) {
    return;
  }

  if (pMsg->pUpdateNodes != NULL) {
    taosArrayDestroy(pMsg->pUpdateNodes);
    pMsg->pUpdateNodes = NULL;
  }

  if (pMsg->pTaskStatus != NULL) {
    taosArrayDestroy(pMsg->pTaskStatus);
    pMsg->pTaskStatus = NULL;
  }

  pMsg->msgId = -1;
  pMsg->vgId = -1;
  pMsg->numOfTasks = -1;
}

int32_t tEncodeStreamHbRsp(SEncoder* pEncoder, const SMStreamHbRspMsg* pRsp) {
  int32_t code = 0;
  int32_t lino;

  TAOS_CHECK_EXIT(tStartEncode(pEncoder));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pRsp->msgId));
  TAOS_CHECK_EXIT(tEncodeSEpSet(pEncoder, &pRsp->mndEpset));
  tEndEncode(pEncoder);

_exit:
  return code;
}

int32_t tDecodeStreamHbRsp(SDecoder* pDecoder, SMStreamHbRspMsg* pRsp) {
  int32_t code = 0;
  int32_t lino;

  TAOS_CHECK_EXIT(tStartDecode(pDecoder));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pRsp->msgId));
  TAOS_CHECK_EXIT(tDecodeSEpSet(pDecoder, &pRsp->mndEpset));
  tEndDecode(pDecoder);

_exit:
  return code;
}

int32_t tEncodeRetrieveChkptTriggerReq(SEncoder* pEncoder, const SRetrieveChkptTriggerReq* pReq) {
  int32_t code = 0;
  int32_t lino;

  TAOS_CHECK_EXIT(tStartEncode(pEncoder));
  TAOS_CHECK_EXIT(tEncodeI64(pEncoder, pReq->streamId));
  TAOS_CHECK_EXIT(tEncodeI64(pEncoder, pReq->checkpointId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pReq->upstreamNodeId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pReq->upstreamTaskId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pReq->downstreamNodeId));
  TAOS_CHECK_EXIT(tEncodeI64(pEncoder, pReq->downstreamTaskId));
  tEndEncode(pEncoder);

_exit:
  return code;
}

int32_t tDecodeRetrieveChkptTriggerReq(SDecoder* pDecoder, SRetrieveChkptTriggerReq* pReq) {
  int32_t code = 0;
  int32_t lino;

  TAOS_CHECK_EXIT(tStartDecode(pDecoder));
  TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &pReq->streamId));
  TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &pReq->checkpointId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pReq->upstreamNodeId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pReq->upstreamTaskId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pReq->downstreamNodeId));
  TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &pReq->downstreamTaskId));
  tEndDecode(pDecoder);

_exit:
  return code;
}

int32_t tEncodeCheckpointTriggerRsp(SEncoder* pEncoder, const SCheckpointTriggerRsp* pRsp) {
  int32_t code = 0;
  int32_t lino;

  TAOS_CHECK_EXIT(tStartEncode(pEncoder));
  TAOS_CHECK_EXIT(tEncodeI64(pEncoder, pRsp->streamId));
  TAOS_CHECK_EXIT(tEncodeI64(pEncoder, pRsp->checkpointId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pRsp->upstreamTaskId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pRsp->taskId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pRsp->transId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pRsp->rspCode));
  tEndEncode(pEncoder);

_exit:
  return code;
}

int32_t tDecodeCheckpointTriggerRsp(SDecoder* pDecoder, SCheckpointTriggerRsp* pRsp) {
  int32_t code = 0;
  int32_t lino;

  TAOS_CHECK_EXIT(tStartDecode(pDecoder));
  TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &pRsp->streamId));
  TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &pRsp->checkpointId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pRsp->upstreamTaskId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pRsp->taskId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pRsp->transId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pRsp->rspCode));
  tEndDecode(pDecoder);

_exit:
  return code;
}

int32_t tEncodeStreamTaskChkptReport(SEncoder* pEncoder, const SCheckpointReport* pReq) {
  int32_t code = 0;
  int32_t lino;

  TAOS_CHECK_EXIT(tStartEncode(pEncoder));
  TAOS_CHECK_EXIT(tEncodeI64(pEncoder, pReq->streamId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pReq->taskId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pReq->nodeId));
  TAOS_CHECK_EXIT(tEncodeI64(pEncoder, pReq->checkpointId));
  TAOS_CHECK_EXIT(tEncodeI64(pEncoder, pReq->checkpointVer));
  TAOS_CHECK_EXIT(tEncodeI64(pEncoder, pReq->checkpointTs));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pReq->transId));
  TAOS_CHECK_EXIT(tEncodeI8(pEncoder, pReq->dropHTask));
  tEndEncode(pEncoder);

_exit:
  return code;
}

int32_t tDecodeStreamTaskChkptReport(SDecoder* pDecoder, SCheckpointReport* pReq) {
  int32_t code = 0;
  int32_t lino;

  TAOS_CHECK_EXIT(tStartDecode(pDecoder));
  TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &pReq->streamId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pReq->taskId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pReq->nodeId));
  TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &pReq->checkpointId));
  TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &pReq->checkpointVer));
  TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &pReq->checkpointTs));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pReq->transId));
  TAOS_CHECK_EXIT(tDecodeI8(pDecoder, &pReq->dropHTask));
  tEndDecode(pDecoder);

_exit:
  return code;
}

int32_t tEncodeRestoreCheckpointInfo(SEncoder* pEncoder, const SRestoreCheckpointInfo* pReq) {
  int32_t code = 0;
  int32_t lino;

  TAOS_CHECK_EXIT(tStartEncode(pEncoder));
  TAOS_CHECK_EXIT(tEncodeI64(pEncoder, pReq->startTs));
  TAOS_CHECK_EXIT(tEncodeI64(pEncoder, pReq->streamId));
  TAOS_CHECK_EXIT(tEncodeI64(pEncoder, pReq->checkpointId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pReq->transId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pReq->taskId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pReq->nodeId));
  tEndEncode(pEncoder);

_exit:
  return code;
}

// todo: serialized term attributes.
int32_t tDecodeRestoreCheckpointInfo(SDecoder* pDecoder, SRestoreCheckpointInfo* pReq) {
  int32_t code = 0;
  int32_t lino;

  TAOS_CHECK_EXIT(tStartDecode(pDecoder));
  TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &pReq->startTs));
  TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &pReq->streamId));
  TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &pReq->checkpointId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pReq->transId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pReq->taskId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pReq->nodeId));
  tEndDecode(pDecoder);

_exit:
  return code;
}

int32_t tEncodeStreamTaskRunReq (SEncoder* pEncoder, const SStreamTaskRunReq* pReq) {
  int32_t code = 0;
  int32_t lino;

  TAOS_CHECK_EXIT(tStartEncode(pEncoder));
  TAOS_CHECK_EXIT(tEncodeI64(pEncoder, pReq->streamId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pReq->taskId));
  TAOS_CHECK_EXIT(tEncodeI32(pEncoder, pReq->reqType));
  tEndEncode(pEncoder);

_exit:
  return code;
}

int32_t tDecodeStreamTaskRunReq(SDecoder* pDecoder, SStreamTaskRunReq* pReq) {
  int32_t code = 0;
  int32_t lino;

  TAOS_CHECK_EXIT(tStartDecode(pDecoder));
  TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &pReq->streamId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pReq->taskId));
  TAOS_CHECK_EXIT(tDecodeI32(pDecoder, &pReq->reqType));
  tEndDecode(pDecoder);

_exit:
  return code;
}

int32_t tEncodeStreamTaskStopReq(SEncoder* pEncoder, const SStreamTaskStopReq* pReq) {
  int32_t code = 0;
  int32_t lino;

  TAOS_CHECK_EXIT(tStartEncode(pEncoder));
  TAOS_CHECK_EXIT(tEncodeI64(pEncoder, pReq->streamId));
  tEndEncode(pEncoder);

_exit:
  return code;
}

int32_t tDecodeStreamTaskStopReq(SDecoder* pDecoder, SStreamTaskStopReq* pReq) {
  int32_t code = 0;
  int32_t lino;

  TAOS_CHECK_EXIT(tStartDecode(pDecoder));
  TAOS_CHECK_EXIT(tDecodeI64(pDecoder, &pReq->streamId));
  tEndDecode(pDecoder);

_exit:
  return code;

}

taosdata / TDengine / #4495

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