homework-jianmu/source/libs/stream/src/streamData.c

126 lines
4.4 KiB
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 "streamInc.h"
int32_t streamDispatchReqToData(const SStreamDispatchReq* pReq, SStreamDataBlock* pData) {
int32_t blockNum = pReq->blockNum;
SArray* pArray = taosArrayInit(blockNum, sizeof(SSDataBlock));
if (pArray == NULL) {
return -1;
}
taosArraySetSize(pArray, blockNum);
ASSERT(pReq->blockNum == taosArrayGetSize(pReq->data));
ASSERT(pReq->blockNum == taosArrayGetSize(pReq->dataLen));
for (int32_t i = 0; i < blockNum; i++) {
/*int32_t len = *(int32_t*)taosArrayGet(pReq->dataLen, i);*/
SRetrieveTableRsp* pRetrieve = taosArrayGetP(pReq->data, i);
SSDataBlock* pDataBlock = taosArrayGet(pArray, i);
blockDecode(pDataBlock, htonl(pRetrieve->numOfCols), htonl(pRetrieve->numOfRows), pRetrieve->data);
// TODO: refactor
pDataBlock->info.window.skey = be64toh(pRetrieve->skey);
pDataBlock->info.window.ekey = be64toh(pRetrieve->ekey);
pDataBlock->info.type = pRetrieve->streamBlockType;
pDataBlock->info.childId = pReq->upstreamChildId;
}
pData->blocks = pArray;
return 0;
}
int32_t streamRetrieveReqToData(const SStreamRetrieveReq* pReq, SStreamDataBlock* pData) {
SArray* pArray = taosArrayInit(1, sizeof(SSDataBlock));
if (pArray == NULL) {
return -1;
}
taosArraySetSize(pArray, 1);
SRetrieveTableRsp* pRetrieve = pReq->pRetrieve;
SSDataBlock* pDataBlock = taosArrayGet(pArray, 0);
blockDecode(pDataBlock, htonl(pRetrieve->numOfCols), htonl(pRetrieve->numOfRows), pRetrieve->data);
// TODO: refactor
pDataBlock->info.window.skey = be64toh(pRetrieve->skey);
pDataBlock->info.window.ekey = be64toh(pRetrieve->ekey);
pDataBlock->info.type = pRetrieve->streamBlockType;
pData->blocks = pArray;
return 0;
}
SStreamDataSubmit* streamDataSubmitNew(SSubmitReq* pReq) {
SStreamDataSubmit* pDataSubmit = (SStreamDataSubmit*)taosAllocateQitem(sizeof(SStreamDataSubmit), DEF_QITEM);
if (pDataSubmit == NULL) return NULL;
pDataSubmit->dataRef = (int32_t*)taosMemoryMalloc(sizeof(int32_t));
if (pDataSubmit->dataRef == NULL) goto FAIL;
pDataSubmit->data = pReq;
*pDataSubmit->dataRef = 1;
pDataSubmit->type = STREAM_INPUT__DATA_SUBMIT;
return pDataSubmit;
FAIL:
taosFreeQitem(pDataSubmit);
return NULL;
}
static FORCE_INLINE void streamDataSubmitRefInc(SStreamDataSubmit* pDataSubmit) {
atomic_add_fetch_32(pDataSubmit->dataRef, 1);
}
SStreamDataSubmit* streamSubmitRefClone(SStreamDataSubmit* pSubmit) {
SStreamDataSubmit* pSubmitClone = taosAllocateQitem(sizeof(SStreamDataSubmit), DEF_QITEM);
if (pSubmitClone == NULL) {
return NULL;
}
streamDataSubmitRefInc(pSubmit);
memcpy(pSubmitClone, pSubmit, sizeof(SStreamDataSubmit));
return pSubmitClone;
}
void streamDataSubmitRefDec(SStreamDataSubmit* pDataSubmit) {
int32_t ref = atomic_sub_fetch_32(pDataSubmit->dataRef, 1);
ASSERT(ref >= 0);
if (ref == 0) {
taosMemoryFree(pDataSubmit->data);
taosMemoryFree(pDataSubmit->dataRef);
}
}
int32_t streamAppendQueueItem(SStreamQueueItem* dst, SStreamQueueItem* elem) {
ASSERT(elem);
if (dst->type == elem->type && dst->type == STREAM_INPUT__DATA_BLOCK) {
SStreamDataBlock* pBlock = (SStreamDataBlock*)dst;
SStreamDataBlock* pBlockSrc = (SStreamDataBlock*)elem;
taosArrayAddAll(pBlock->blocks, pBlockSrc->blocks);
return 0;
} else {
return -1;
}
}
void streamFreeQitem(SStreamQueueItem* data) {
int8_t type = data->type;
if (type == STREAM_INPUT__GET_RES) {
blockDataDestroy(((SStreamTrigger*)data)->pBlock);
taosFreeQitem(data);
} else if (type == STREAM_INPUT__DATA_BLOCK || type == STREAM_INPUT__DATA_RETRIEVE) {
taosArrayDestroyEx(((SStreamDataBlock*)data)->blocks, (FDelete)blockDataFreeRes);
taosFreeQitem(data);
} else if (type == STREAM_INPUT__DATA_SUBMIT) {
streamDataSubmitRefDec((SStreamDataSubmit*)data);
taosFreeQitem(data);
}
}