527 lines
17 KiB
C
527 lines
17 KiB
C
/*
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* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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*
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* This program is free software: you can use, redistribute, and/or modify
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* it under the terms of the GNU Affero General Public License, version 3
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* or later ("AGPL"), as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "streamInc.h"
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int32_t tEncodeStreamDispatchReq(SEncoder* pEncoder, const SStreamDispatchReq* pReq) {
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if (tStartEncode(pEncoder) < 0) return -1;
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if (tEncodeI64(pEncoder, pReq->streamId) < 0) return -1;
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if (tEncodeI32(pEncoder, pReq->taskId) < 0) return -1;
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if (tEncodeI32(pEncoder, pReq->upstreamTaskId) < 0) return -1;
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if (tEncodeI32(pEncoder, pReq->dataSrcVgId) < 0) return -1;
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if (tEncodeI32(pEncoder, pReq->upstreamChildId) < 0) return -1;
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if (tEncodeI32(pEncoder, pReq->upstreamNodeId) < 0) return -1;
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if (tEncodeI32(pEncoder, pReq->blockNum) < 0) return -1;
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ASSERT(taosArrayGetSize(pReq->data) == pReq->blockNum);
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ASSERT(taosArrayGetSize(pReq->dataLen) == pReq->blockNum);
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for (int32_t i = 0; i < pReq->blockNum; i++) {
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int32_t len = *(int32_t*)taosArrayGet(pReq->dataLen, i);
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void* data = taosArrayGetP(pReq->data, i);
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if (tEncodeI32(pEncoder, len) < 0) return -1;
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if (tEncodeBinary(pEncoder, data, len) < 0) return -1;
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}
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tEndEncode(pEncoder);
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return pEncoder->pos;
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}
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int32_t tDecodeStreamDispatchReq(SDecoder* pDecoder, SStreamDispatchReq* pReq) {
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if (tStartDecode(pDecoder) < 0) return -1;
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if (tDecodeI64(pDecoder, &pReq->streamId) < 0) return -1;
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if (tDecodeI32(pDecoder, &pReq->taskId) < 0) return -1;
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if (tDecodeI32(pDecoder, &pReq->upstreamTaskId) < 0) return -1;
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if (tDecodeI32(pDecoder, &pReq->dataSrcVgId) < 0) return -1;
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if (tDecodeI32(pDecoder, &pReq->upstreamChildId) < 0) return -1;
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if (tDecodeI32(pDecoder, &pReq->upstreamNodeId) < 0) return -1;
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if (tDecodeI32(pDecoder, &pReq->blockNum) < 0) return -1;
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ASSERT(pReq->blockNum > 0);
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pReq->data = taosArrayInit(pReq->blockNum, sizeof(void*));
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pReq->dataLen = taosArrayInit(pReq->blockNum, sizeof(int32_t));
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for (int32_t i = 0; i < pReq->blockNum; i++) {
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int32_t len1;
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uint64_t len2;
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void* data;
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if (tDecodeI32(pDecoder, &len1) < 0) return -1;
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if (tDecodeBinaryAlloc(pDecoder, &data, &len2) < 0) return -1;
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ASSERT(len1 == len2);
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taosArrayPush(pReq->dataLen, &len1);
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taosArrayPush(pReq->data, &data);
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}
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tEndDecode(pDecoder);
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return 0;
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}
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void tDeleteStreamDispatchReq(SStreamDispatchReq* pReq) {
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taosArrayDestroyP(pReq->data, taosMemoryFree);
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taosArrayDestroy(pReq->dataLen);
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}
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int32_t tEncodeStreamRetrieveReq(SEncoder* pEncoder, const SStreamRetrieveReq* pReq) {
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if (tStartEncode(pEncoder) < 0) return -1;
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if (tEncodeI64(pEncoder, pReq->streamId) < 0) return -1;
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if (tEncodeI64(pEncoder, pReq->reqId) < 0) return -1;
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if (tEncodeI32(pEncoder, pReq->dstNodeId) < 0) return -1;
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if (tEncodeI32(pEncoder, pReq->dstTaskId) < 0) return -1;
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if (tEncodeI32(pEncoder, pReq->srcNodeId) < 0) return -1;
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if (tEncodeI32(pEncoder, pReq->srcTaskId) < 0) return -1;
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if (tEncodeBinary(pEncoder, (const uint8_t*)pReq->pRetrieve, pReq->retrieveLen) < 0) return -1;
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tEndEncode(pEncoder);
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return pEncoder->pos;
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}
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int32_t tDecodeStreamRetrieveReq(SDecoder* pDecoder, SStreamRetrieveReq* pReq) {
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if (tStartDecode(pDecoder) < 0) return -1;
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if (tDecodeI64(pDecoder, &pReq->streamId) < 0) return -1;
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if (tDecodeI64(pDecoder, &pReq->reqId) < 0) return -1;
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if (tDecodeI32(pDecoder, &pReq->dstNodeId) < 0) return -1;
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if (tDecodeI32(pDecoder, &pReq->dstTaskId) < 0) return -1;
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if (tDecodeI32(pDecoder, &pReq->srcNodeId) < 0) return -1;
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if (tDecodeI32(pDecoder, &pReq->srcTaskId) < 0) return -1;
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uint64_t len = 0;
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if (tDecodeBinaryAlloc(pDecoder, (void**)&pReq->pRetrieve, &len) < 0) return -1;
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pReq->retrieveLen = (int32_t)len;
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tEndDecode(pDecoder);
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return 0;
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}
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void tDeleteStreamRetrieveReq(SStreamRetrieveReq* pReq) { taosMemoryFree(pReq->pRetrieve); }
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int32_t streamBroadcastToChildren(SStreamTask* pTask, const SSDataBlock* pBlock) {
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int32_t code = -1;
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SRetrieveTableRsp* pRetrieve = NULL;
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void* buf = NULL;
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int32_t dataStrLen = sizeof(SRetrieveTableRsp) + blockGetEncodeSize(pBlock);
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pRetrieve = taosMemoryCalloc(1, dataStrLen);
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if (pRetrieve == NULL) return -1;
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int32_t numOfCols = taosArrayGetSize(pBlock->pDataBlock);
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pRetrieve->useconds = 0;
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pRetrieve->precision = TSDB_DEFAULT_PRECISION;
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pRetrieve->compressed = 0;
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pRetrieve->completed = 1;
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pRetrieve->streamBlockType = pBlock->info.type;
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pRetrieve->numOfRows = htobe64((int64_t)pBlock->info.rows);
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pRetrieve->numOfCols = htonl(numOfCols);
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pRetrieve->skey = htobe64(pBlock->info.window.skey);
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pRetrieve->ekey = htobe64(pBlock->info.window.ekey);
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pRetrieve->version = htobe64(pBlock->info.version);
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int32_t actualLen = blockEncode(pBlock, pRetrieve->data, numOfCols);
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SStreamRetrieveReq req = {
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.streamId = pTask->id.streamId,
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.srcNodeId = pTask->nodeId,
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.srcTaskId = pTask->id.taskId,
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.pRetrieve = pRetrieve,
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.retrieveLen = dataStrLen,
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};
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int32_t sz = taosArrayGetSize(pTask->childEpInfo);
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ASSERT(sz > 0);
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for (int32_t i = 0; i < sz; i++) {
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req.reqId = tGenIdPI64();
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SStreamChildEpInfo* pEpInfo = taosArrayGetP(pTask->childEpInfo, i);
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req.dstNodeId = pEpInfo->nodeId;
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req.dstTaskId = pEpInfo->taskId;
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int32_t code;
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int32_t len;
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tEncodeSize(tEncodeStreamRetrieveReq, &req, len, code);
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if (code < 0) {
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ASSERT(0);
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return -1;
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}
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buf = rpcMallocCont(sizeof(SMsgHead) + len);
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if (buf == NULL) {
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goto CLEAR;
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}
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((SMsgHead*)buf)->vgId = htonl(pEpInfo->nodeId);
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void* abuf = POINTER_SHIFT(buf, sizeof(SMsgHead));
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SEncoder encoder;
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tEncoderInit(&encoder, abuf, len);
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tEncodeStreamRetrieveReq(&encoder, &req);
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tEncoderClear(&encoder);
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SRpcMsg rpcMsg = {
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.code = 0,
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.msgType = TDMT_STREAM_RETRIEVE,
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.pCont = buf,
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.contLen = sizeof(SMsgHead) + len,
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};
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if (tmsgSendReq(&pEpInfo->epSet, &rpcMsg) < 0) {
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ASSERT(0);
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goto CLEAR;
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}
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buf = NULL;
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qDebug("s-task:%s (child %d) send retrieve req to task %d at node %d, reqId %" PRId64, pTask->id.idStr,
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pTask->selfChildId, pEpInfo->taskId, pEpInfo->nodeId, req.reqId);
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}
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code = 0;
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CLEAR:
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taosMemoryFree(pRetrieve);
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rpcFreeCont(buf);
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return code;
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}
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static int32_t streamAddBlockToDispatchMsg(const SSDataBlock* pBlock, SStreamDispatchReq* pReq) {
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int32_t dataStrLen = sizeof(SRetrieveTableRsp) + blockGetEncodeSize(pBlock);
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void* buf = taosMemoryCalloc(1, dataStrLen);
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if (buf == NULL) return -1;
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SRetrieveTableRsp* pRetrieve = (SRetrieveTableRsp*)buf;
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pRetrieve->useconds = 0;
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pRetrieve->precision = TSDB_DEFAULT_PRECISION;
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pRetrieve->compressed = 0;
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pRetrieve->completed = 1;
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pRetrieve->streamBlockType = pBlock->info.type;
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pRetrieve->numOfRows = htobe64((int64_t)pBlock->info.rows);
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pRetrieve->skey = htobe64(pBlock->info.window.skey);
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pRetrieve->ekey = htobe64(pBlock->info.window.ekey);
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pRetrieve->version = htobe64(pBlock->info.version);
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pRetrieve->watermark = htobe64(pBlock->info.watermark);
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memcpy(pRetrieve->parTbName, pBlock->info.parTbName, TSDB_TABLE_NAME_LEN);
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int32_t numOfCols = (int32_t)taosArrayGetSize(pBlock->pDataBlock);
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pRetrieve->numOfCols = htonl(numOfCols);
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int32_t actualLen = blockEncode(pBlock, pRetrieve->data, numOfCols);
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actualLen += sizeof(SRetrieveTableRsp);
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ASSERT(actualLen <= dataStrLen);
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taosArrayPush(pReq->dataLen, &actualLen);
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taosArrayPush(pReq->data, &buf);
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return 0;
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}
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int32_t streamDispatchCheckMsg(SStreamTask* pTask, const SStreamTaskCheckReq* pReq, int32_t nodeId, SEpSet* pEpSet) {
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void* buf = NULL;
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int32_t code = -1;
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SRpcMsg msg = {0};
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int32_t tlen;
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tEncodeSize(tEncodeSStreamTaskCheckReq, pReq, tlen, code);
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if (code < 0) {
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return -1;
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}
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buf = rpcMallocCont(sizeof(SMsgHead) + tlen);
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if (buf == NULL) {
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return -1;
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}
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((SMsgHead*)buf)->vgId = htonl(nodeId);
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void* abuf = POINTER_SHIFT(buf, sizeof(SMsgHead));
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SEncoder encoder;
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tEncoderInit(&encoder, abuf, tlen);
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if ((code = tEncodeSStreamTaskCheckReq(&encoder, pReq)) < 0) {
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rpcFreeCont(buf);
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return code;
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}
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tEncoderClear(&encoder);
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msg.contLen = tlen + sizeof(SMsgHead);
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msg.pCont = buf;
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msg.msgType = TDMT_STREAM_TASK_CHECK;
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qDebug("s-task:%s dispatch check msg to downstream s-task:%" PRIx64 ":%d node %d: check msg", pTask->id.idStr,
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pReq->streamId, pReq->downstreamTaskId, nodeId);
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tmsgSendReq(pEpSet, &msg);
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return 0;
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}
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int32_t streamDispatchOneRecoverFinishReq(SStreamTask* pTask, const SStreamRecoverFinishReq* pReq, int32_t vgId,
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SEpSet* pEpSet) {
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void* buf = NULL;
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int32_t code = -1;
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SRpcMsg msg = {0};
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int32_t tlen;
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tEncodeSize(tEncodeSStreamRecoverFinishReq, pReq, tlen, code);
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if (code < 0) {
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return -1;
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}
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buf = rpcMallocCont(sizeof(SMsgHead) + tlen);
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if (buf == NULL) {
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return -1;
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}
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((SMsgHead*)buf)->vgId = htonl(vgId);
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void* abuf = POINTER_SHIFT(buf, sizeof(SMsgHead));
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SEncoder encoder;
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tEncoderInit(&encoder, abuf, tlen);
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if ((code = tEncodeSStreamRecoverFinishReq(&encoder, pReq)) < 0) {
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goto FAIL;
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}
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tEncoderClear(&encoder);
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msg.contLen = tlen + sizeof(SMsgHead);
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msg.pCont = buf;
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msg.msgType = TDMT_STREAM_RECOVER_FINISH;
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msg.info.noResp = 1;
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tmsgSendReq(pEpSet, &msg);
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qDebug("dispatch from task %d to task %d node %d: recover finish msg", pTask->id.taskId, pReq->taskId, vgId);
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return 0;
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FAIL:
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if (buf) rpcFreeCont(buf);
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return code;
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}
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int32_t streamDispatchOneDataReq(SStreamTask* pTask, const SStreamDispatchReq* pReq, int32_t vgId, SEpSet* pEpSet) {
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void* buf = NULL;
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int32_t code = -1;
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SRpcMsg msg = {0};
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// serialize
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int32_t tlen;
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tEncodeSize(tEncodeStreamDispatchReq, pReq, tlen, code);
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if (code < 0) goto FAIL;
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code = -1;
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buf = rpcMallocCont(sizeof(SMsgHead) + tlen);
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if (buf == NULL) {
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goto FAIL;
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}
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((SMsgHead*)buf)->vgId = htonl(vgId);
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void* abuf = POINTER_SHIFT(buf, sizeof(SMsgHead));
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SEncoder encoder;
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tEncoderInit(&encoder, abuf, tlen);
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if ((code = tEncodeStreamDispatchReq(&encoder, pReq)) < 0) {
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goto FAIL;
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}
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tEncoderClear(&encoder);
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msg.contLen = tlen + sizeof(SMsgHead);
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msg.pCont = buf;
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msg.msgType = pTask->dispatchMsgType;
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qDebug("dispatch from s-task:%s to taskId:%d vgId:%d data msg", pTask->id.idStr, pReq->taskId, vgId);
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tmsgSendReq(pEpSet, &msg);
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code = 0;
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return 0;
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FAIL:
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if (buf) rpcFreeCont(buf);
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return code;
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}
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int32_t streamSearchAndAddBlock(SStreamTask* pTask, SStreamDispatchReq* pReqs, SSDataBlock* pDataBlock, int32_t vgSz,
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int64_t groupId) {
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char* ctbName = taosMemoryCalloc(1, TSDB_TABLE_FNAME_LEN);
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if (ctbName == NULL) {
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return -1;
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}
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if (pDataBlock->info.parTbName[0]) {
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snprintf(ctbName, TSDB_TABLE_NAME_LEN, "%s.%s", pTask->shuffleDispatcher.dbInfo.db, pDataBlock->info.parTbName);
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} else {
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char* ctbShortName = buildCtbNameByGroupId(pTask->shuffleDispatcher.stbFullName, groupId);
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snprintf(ctbName, TSDB_TABLE_NAME_LEN, "%s.%s", pTask->shuffleDispatcher.dbInfo.db, ctbShortName);
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taosMemoryFree(ctbShortName);
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}
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SArray* vgInfo = pTask->shuffleDispatcher.dbInfo.pVgroupInfos;
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/*uint32_t hashValue = MurmurHash3_32(ctbName, strlen(ctbName));*/
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SUseDbRsp* pDbInfo = &pTask->shuffleDispatcher.dbInfo;
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uint32_t hashValue =
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taosGetTbHashVal(ctbName, strlen(ctbName), pDbInfo->hashMethod, pDbInfo->hashPrefix, pDbInfo->hashSuffix);
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taosMemoryFree(ctbName);
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bool found = false;
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// TODO: optimize search
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int32_t j;
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for (j = 0; j < vgSz; j++) {
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SVgroupInfo* pVgInfo = taosArrayGet(vgInfo, j);
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ASSERT(pVgInfo->vgId > 0);
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if (hashValue >= pVgInfo->hashBegin && hashValue <= pVgInfo->hashEnd) {
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if (streamAddBlockToDispatchMsg(pDataBlock, &pReqs[j]) < 0) {
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return -1;
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}
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if (pReqs[j].blockNum == 0) {
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atomic_add_fetch_32(&pTask->shuffleDispatcher.waitingRspCnt, 1);
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}
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pReqs[j].blockNum++;
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found = true;
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break;
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}
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}
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ASSERT(found);
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return 0;
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}
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int32_t streamDispatchAllBlocks(SStreamTask* pTask, const SStreamDataBlock* pData) {
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int32_t code = -1;
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int32_t blockNum = taosArrayGetSize(pData->blocks);
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ASSERT(blockNum != 0);
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if (pTask->outputType == TASK_OUTPUT__FIXED_DISPATCH) {
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SStreamDispatchReq req = {
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.streamId = pTask->id.streamId,
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.dataSrcVgId = pData->srcVgId,
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.upstreamTaskId = pTask->id.taskId,
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.upstreamChildId = pTask->selfChildId,
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.upstreamNodeId = pTask->nodeId,
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.blockNum = blockNum,
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};
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req.data = taosArrayInit(blockNum, sizeof(void*));
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req.dataLen = taosArrayInit(blockNum, sizeof(int32_t));
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if (req.data == NULL || req.dataLen == NULL) {
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goto FAIL_FIXED_DISPATCH;
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}
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for (int32_t i = 0; i < blockNum; i++) {
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SSDataBlock* pDataBlock = taosArrayGet(pData->blocks, i);
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if (streamAddBlockToDispatchMsg(pDataBlock, &req) < 0) {
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goto FAIL_FIXED_DISPATCH;
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}
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}
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int32_t vgId = pTask->fixedEpDispatcher.nodeId;
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SEpSet* pEpSet = &pTask->fixedEpDispatcher.epSet;
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int32_t downstreamTaskId = pTask->fixedEpDispatcher.taskId;
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req.taskId = downstreamTaskId;
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qDebug("s-task:%s (child taskId:%d) dispatch blocks:%d to down stream s-task:%d in vgId:%d", pTask->id.idStr,
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pTask->selfChildId, blockNum, downstreamTaskId, vgId);
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if (streamDispatchOneDataReq(pTask, &req, vgId, pEpSet) < 0) {
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goto FAIL_FIXED_DISPATCH;
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}
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code = 0;
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FAIL_FIXED_DISPATCH:
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taosArrayDestroyP(req.data, taosMemoryFree);
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taosArrayDestroy(req.dataLen);
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return code;
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} else if (pTask->outputType == TASK_OUTPUT__SHUFFLE_DISPATCH) {
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int32_t rspCnt = atomic_load_32(&pTask->shuffleDispatcher.waitingRspCnt);
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ASSERT(rspCnt == 0);
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SArray* vgInfo = pTask->shuffleDispatcher.dbInfo.pVgroupInfos;
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int32_t vgSz = taosArrayGetSize(vgInfo);
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SStreamDispatchReq* pReqs = taosMemoryCalloc(vgSz, sizeof(SStreamDispatchReq));
|
|
if (pReqs == NULL) {
|
|
return -1;
|
|
}
|
|
|
|
for (int32_t i = 0; i < vgSz; i++) {
|
|
pReqs[i].streamId = pTask->id.streamId;
|
|
pReqs[i].dataSrcVgId = pData->srcVgId;
|
|
pReqs[i].upstreamTaskId = pTask->id.taskId;
|
|
pReqs[i].upstreamChildId = pTask->selfChildId;
|
|
pReqs[i].upstreamNodeId = pTask->nodeId;
|
|
pReqs[i].blockNum = 0;
|
|
pReqs[i].data = taosArrayInit(0, sizeof(void*));
|
|
pReqs[i].dataLen = taosArrayInit(0, sizeof(int32_t));
|
|
if (pReqs[i].data == NULL || pReqs[i].dataLen == NULL) {
|
|
goto FAIL_SHUFFLE_DISPATCH;
|
|
}
|
|
SVgroupInfo* pVgInfo = taosArrayGet(vgInfo, i);
|
|
pReqs[i].taskId = pVgInfo->taskId;
|
|
}
|
|
|
|
for (int32_t i = 0; i < blockNum; i++) {
|
|
SSDataBlock* pDataBlock = taosArrayGet(pData->blocks, i);
|
|
|
|
// TODO: do not use broadcast
|
|
if (pDataBlock->info.type == STREAM_DELETE_RESULT) {
|
|
for (int32_t j = 0; j < vgSz; j++) {
|
|
if (streamAddBlockToDispatchMsg(pDataBlock, &pReqs[j]) < 0) {
|
|
goto FAIL_SHUFFLE_DISPATCH;
|
|
}
|
|
if (pReqs[j].blockNum == 0) {
|
|
atomic_add_fetch_32(&pTask->shuffleDispatcher.waitingRspCnt, 1);
|
|
}
|
|
pReqs[j].blockNum++;
|
|
}
|
|
continue;
|
|
}
|
|
|
|
if (streamSearchAndAddBlock(pTask, pReqs, pDataBlock, vgSz, pDataBlock->info.id.groupId) < 0) {
|
|
goto FAIL_SHUFFLE_DISPATCH;
|
|
}
|
|
}
|
|
|
|
for (int32_t i = 0; i < vgSz; i++) {
|
|
if (pReqs[i].blockNum > 0) {
|
|
// send
|
|
SVgroupInfo* pVgInfo = taosArrayGet(vgInfo, i);
|
|
if (streamDispatchOneDataReq(pTask, &pReqs[i], pVgInfo->vgId, &pVgInfo->epSet) < 0) {
|
|
goto FAIL_SHUFFLE_DISPATCH;
|
|
}
|
|
}
|
|
}
|
|
code = 0;
|
|
FAIL_SHUFFLE_DISPATCH:
|
|
if (pReqs) {
|
|
for (int32_t i = 0; i < vgSz; i++) {
|
|
taosArrayDestroyP(pReqs[i].data, taosMemoryFree);
|
|
taosArrayDestroy(pReqs[i].dataLen);
|
|
}
|
|
taosMemoryFree(pReqs);
|
|
}
|
|
return code;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int32_t streamDispatch(SStreamTask* pTask) {
|
|
ASSERT(pTask->outputType == TASK_OUTPUT__FIXED_DISPATCH || pTask->outputType == TASK_OUTPUT__SHUFFLE_DISPATCH);
|
|
qDebug("s-task:%s try to dispatch intermediate result block to downstream, numofBlocks in outputQ:%d", pTask->id.idStr,
|
|
taosQueueItemSize(pTask->outputQueue->queue));
|
|
|
|
int8_t old =
|
|
atomic_val_compare_exchange_8(&pTask->outputStatus, TASK_OUTPUT_STATUS__NORMAL, TASK_OUTPUT_STATUS__WAIT);
|
|
if (old != TASK_OUTPUT_STATUS__NORMAL) {
|
|
return 0;
|
|
}
|
|
|
|
SStreamDataBlock* pBlock = streamQueueNextItem(pTask->outputQueue);
|
|
if (pBlock == NULL) {
|
|
qDebug("s-task:%s stream stop dispatching since no output in output queue", pTask->id.idStr);
|
|
atomic_store_8(&pTask->outputStatus, TASK_OUTPUT_STATUS__NORMAL);
|
|
return 0;
|
|
}
|
|
|
|
ASSERT(pBlock->type == STREAM_INPUT__DATA_BLOCK);
|
|
|
|
int32_t code = 0;
|
|
if (streamDispatchAllBlocks(pTask, pBlock) < 0) {
|
|
code = -1;
|
|
streamQueueProcessFail(pTask->outputQueue);
|
|
atomic_store_8(&pTask->outputStatus, TASK_OUTPUT_STATUS__NORMAL);
|
|
goto FREE;
|
|
}
|
|
|
|
FREE:
|
|
taosArrayDestroyEx(pBlock->blocks, (FDelete)blockDataFreeRes);
|
|
taosFreeQitem(pBlock);
|
|
return code;
|
|
}
|