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

260 lines
8.8 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 "streamInt.h"
SStreamDataBlock* createStreamBlockFromDispatchMsg(const SStreamDispatchReq* pReq, int32_t blockType, int32_t srcVg) {
SStreamDataBlock* pData = taosAllocateQitem(sizeof(SStreamDataBlock), DEF_QITEM, pReq->totalLen);
if (pData == NULL) {
return NULL;
}
pData->type = blockType;
pData->srcVgId = srcVg;
pData->srcTaskId = pReq->upstreamTaskId;
int32_t blockNum = pReq->blockNum;
SArray* pArray = taosArrayInit_s(sizeof(SSDataBlock), blockNum);
if (pArray == NULL) {
taosFreeQitem(pData);
return NULL;
}
ASSERT((pReq->blockNum == taosArrayGetSize(pReq->data)) && (pReq->blockNum == taosArrayGetSize(pReq->dataLen)));
for (int32_t i = 0; i < blockNum; i++) {
SRetrieveTableRsp* pRetrieve = (SRetrieveTableRsp*) taosArrayGetP(pReq->data, i);
SSDataBlock* pDataBlock = taosArrayGet(pArray, i);
blockDecode(pDataBlock, pRetrieve->data);
// TODO: refactor
pDataBlock->info.window.skey = be64toh(pRetrieve->skey);
pDataBlock->info.window.ekey = be64toh(pRetrieve->ekey);
pDataBlock->info.version = be64toh(pRetrieve->version);
pDataBlock->info.watermark = be64toh(pRetrieve->watermark);
memcpy(pDataBlock->info.parTbName, pRetrieve->parTbName, TSDB_TABLE_NAME_LEN);
pDataBlock->info.type = pRetrieve->streamBlockType;
pDataBlock->info.childId = pReq->upstreamChildId;
}
pData->blocks = pArray;
return pData;
}
SStreamDataBlock* createStreamBlockFromResults(SStreamQueueItem* pItem, SStreamTask* pTask, int64_t resultSize, SArray* pRes) {
SStreamDataBlock* pStreamBlocks = taosAllocateQitem(sizeof(SStreamDataBlock), DEF_QITEM, resultSize);
if (pStreamBlocks == NULL) {
taosArrayClearEx(pRes, (FDelete)blockDataFreeRes);
return NULL;
}
pStreamBlocks->srcTaskId = pTask->id.taskId;
pStreamBlocks->type = STREAM_INPUT__DATA_BLOCK;
pStreamBlocks->blocks = pRes;
if (pItem->type == STREAM_INPUT__DATA_SUBMIT) {
SStreamDataSubmit* pSubmit = (SStreamDataSubmit*)pItem;
pStreamBlocks->sourceVer = pSubmit->ver;
} else if (pItem->type == STREAM_INPUT__MERGED_SUBMIT) {
SStreamMergedSubmit* pMerged = (SStreamMergedSubmit*)pItem;
pStreamBlocks->sourceVer = pMerged->ver;
}
return pStreamBlocks;
}
void destroyStreamDataBlock(SStreamDataBlock* pBlock) {
if (pBlock == NULL) {
return;
}
taosArrayDestroyEx(pBlock->blocks, (FDelete)blockDataFreeRes);
taosFreeQitem(pBlock);
}
int32_t streamRetrieveReqToData(const SStreamRetrieveReq* pReq, SStreamDataBlock* pData) {
SArray* pArray = taosArrayInit(1, sizeof(SSDataBlock));
if (pArray == NULL) {
return -1;
}
taosArrayPush(pArray, &(SSDataBlock){0});
SRetrieveTableRsp* pRetrieve = pReq->pRetrieve;
SSDataBlock* pDataBlock = taosArrayGet(pArray, 0);
blockDecode(pDataBlock, pRetrieve->data);
// TODO: refactor
pDataBlock->info.window.skey = be64toh(pRetrieve->skey);
pDataBlock->info.window.ekey = be64toh(pRetrieve->ekey);
pDataBlock->info.version = be64toh(pRetrieve->version);
pDataBlock->info.type = pRetrieve->streamBlockType;
pData->reqId = pReq->reqId;
pData->blocks = pArray;
return 0;
}
SStreamDataSubmit* streamDataSubmitNew(SPackedData* pData, int32_t type) {
SStreamDataSubmit* pDataSubmit = (SStreamDataSubmit*)taosAllocateQitem(sizeof(SStreamDataSubmit), DEF_QITEM, pData->msgLen);
if (pDataSubmit == NULL) {
return NULL;
}
pDataSubmit->dataRef = (int32_t*)taosMemoryMalloc(sizeof(int32_t));
if (pDataSubmit->dataRef == NULL) {
taosFreeQitem(pDataSubmit);
return NULL;
}
pDataSubmit->ver = pData->ver;
pDataSubmit->submit = *pData;
*pDataSubmit->dataRef = 1; // initialize the reference count to be 1
pDataSubmit->type = type;
return pDataSubmit;
}
void streamDataSubmitDestroy(SStreamDataSubmit* pDataSubmit) {
int32_t ref = atomic_sub_fetch_32(pDataSubmit->dataRef, 1);
ASSERT(ref >= 0 && pDataSubmit->type == STREAM_INPUT__DATA_SUBMIT);
if (ref == 0) {
taosMemoryFree(pDataSubmit->submit.msgStr);
taosMemoryFree(pDataSubmit->dataRef);
}
}
SStreamMergedSubmit* streamMergedSubmitNew() {
SStreamMergedSubmit* pMerged = (SStreamMergedSubmit*)taosAllocateQitem(sizeof(SStreamMergedSubmit), DEF_QITEM, 0);
if (pMerged == NULL) {
return NULL;
}
pMerged->submits = taosArrayInit(0, sizeof(SPackedData));
pMerged->dataRefs = taosArrayInit(0, sizeof(void*));
if (pMerged->dataRefs == NULL || pMerged->submits == NULL) {
taosArrayDestroy(pMerged->submits);
taosArrayDestroy(pMerged->dataRefs);
taosFreeQitem(pMerged);
return NULL;
}
pMerged->type = STREAM_INPUT__MERGED_SUBMIT;
return pMerged;
}
int32_t streamMergeSubmit(SStreamMergedSubmit* pMerged, SStreamDataSubmit* pSubmit) {
taosArrayPush(pMerged->dataRefs, &pSubmit->dataRef);
taosArrayPush(pMerged->submits, &pSubmit->submit);
pMerged->ver = pSubmit->ver;
return 0;
}
// todo handle memory error
SStreamQueueItem* streamMergeQueueItem(SStreamQueueItem* dst, SStreamQueueItem* pElem) {
terrno = 0;
if (dst->type == STREAM_INPUT__DATA_BLOCK && pElem->type == STREAM_INPUT__DATA_BLOCK) {
SStreamDataBlock* pBlock = (SStreamDataBlock*)dst;
SStreamDataBlock* pBlockSrc = (SStreamDataBlock*)pElem;
taosArrayAddAll(pBlock->blocks, pBlockSrc->blocks);
taosArrayDestroy(pBlockSrc->blocks);
taosFreeQitem(pElem);
return dst;
} else if (dst->type == STREAM_INPUT__MERGED_SUBMIT && pElem->type == STREAM_INPUT__DATA_SUBMIT) {
SStreamMergedSubmit* pMerged = (SStreamMergedSubmit*)dst;
SStreamDataSubmit* pBlockSrc = (SStreamDataSubmit*)pElem;
streamMergeSubmit(pMerged, pBlockSrc);
taosFreeQitem(pElem);
return dst;
} else if (dst->type == STREAM_INPUT__DATA_SUBMIT && pElem->type == STREAM_INPUT__DATA_SUBMIT) {
SStreamMergedSubmit* pMerged = streamMergedSubmitNew();
if (pMerged == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return NULL;
}
streamMergeSubmit(pMerged, (SStreamDataSubmit*)dst);
streamMergeSubmit(pMerged, (SStreamDataSubmit*)pElem);
taosFreeQitem(dst);
taosFreeQitem(pElem);
return (SStreamQueueItem*)pMerged;
} else {
qDebug("block type:%s not merged with existed blocks list, type:%d", streamGetBlockTypeStr(pElem->type), dst->type);
return NULL;
}
}
static void freeItems(void* param) {
SSDataBlock* pBlock = param;
taosArrayDestroy(pBlock->pDataBlock);
}
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 || type == STREAM_INPUT__TRANS_STATE) {
taosArrayDestroyEx(((SStreamDataBlock*)data)->blocks, (FDelete)blockDataFreeRes);
taosFreeQitem(data);
} else if (type == STREAM_INPUT__DATA_SUBMIT) {
streamDataSubmitDestroy((SStreamDataSubmit*)data);
taosFreeQitem(data);
} else if (type == STREAM_INPUT__MERGED_SUBMIT) {
SStreamMergedSubmit* pMerge = (SStreamMergedSubmit*)data;
int32_t sz = taosArrayGetSize(pMerge->submits);
for (int32_t i = 0; i < sz; i++) {
int32_t* pRef = taosArrayGetP(pMerge->dataRefs, i);
int32_t ref = atomic_sub_fetch_32(pRef, 1);
ASSERT(ref >= 0);
if (ref == 0) {
SPackedData* pSubmit = (SPackedData*)taosArrayGet(pMerge->submits, i);
taosMemoryFree(pSubmit->msgStr);
taosMemoryFree(pRef);
}
}
taosArrayDestroy(pMerge->submits);
taosArrayDestroy(pMerge->dataRefs);
taosFreeQitem(pMerge);
} else if (type == STREAM_INPUT__REF_DATA_BLOCK) {
SStreamRefDataBlock* pRefBlock = (SStreamRefDataBlock*)data;
blockDataDestroy(pRefBlock->pBlock);
taosFreeQitem(pRefBlock);
} else if (type == STREAM_INPUT__CHECKPOINT || type == STREAM_INPUT__CHECKPOINT_TRIGGER) {
SStreamDataBlock* pBlock = (SStreamDataBlock*) data;
taosArrayDestroyEx(pBlock->blocks, freeItems);
taosFreeQitem(pBlock);
}
}
const char* streamGetBlockTypeStr(int32_t type) {
switch (type) {
case STREAM_INPUT__CHECKPOINT:
return "checkpoint";
case STREAM_INPUT__CHECKPOINT_TRIGGER:
return "checkpoint-trigger";
case STREAM_INPUT__TRANS_STATE:
return "trans-state";
default:
return "";
}
}