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

268 lines
8.6 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"
static int32_t streamTaskExecImpl(SStreamTask* pTask, void* data, SArray* pRes) {
void* exec = pTask->exec.executor;
// set input
SStreamQueueItem* pItem = (SStreamQueueItem*)data;
if (pItem->type == STREAM_INPUT__GET_RES) {
SStreamTrigger* pTrigger = (SStreamTrigger*)data;
qSetMultiStreamInput(exec, pTrigger->pBlock, 1, STREAM_INPUT__DATA_BLOCK, false);
} else if (pItem->type == STREAM_INPUT__DATA_SUBMIT) {
ASSERT(pTask->isDataScan);
SStreamDataSubmit* pSubmit = (SStreamDataSubmit*)data;
qDebug("task %d %p set submit input %p %p %d", pTask->taskId, pTask, pSubmit, pSubmit->data, *pSubmit->dataRef);
qSetStreamInput(exec, pSubmit->data, STREAM_INPUT__DATA_SUBMIT, false);
} else if (pItem->type == STREAM_INPUT__DATA_BLOCK || pItem->type == STREAM_INPUT__DATA_RETRIEVE) {
SStreamDataBlock* pBlock = (SStreamDataBlock*)data;
SArray* blocks = pBlock->blocks;
qDebug("task %d %p set ssdata input", pTask->taskId, pTask);
qSetMultiStreamInput(exec, blocks->pData, blocks->size, STREAM_INPUT__DATA_BLOCK, false);
} else if (pItem->type == STREAM_INPUT__DROP) {
// TODO exec drop
return 0;
}
// exec
while (1) {
SSDataBlock* output = NULL;
uint64_t ts = 0;
if (qExecTask(exec, &output, &ts) < 0) {
ASSERT(false);
}
if (output == NULL) {
if (pItem->type == STREAM_INPUT__DATA_RETRIEVE) {
SSDataBlock block = {0};
SStreamDataBlock* pRetrieveBlock = (SStreamDataBlock*)data;
ASSERT(taosArrayGetSize(pRetrieveBlock->blocks) == 1);
assignOneDataBlock(&block, taosArrayGet(pRetrieveBlock->blocks, 0));
block.info.type = STREAM_PULL_OVER;
block.info.childId = pTask->selfChildId;
taosArrayPush(pRes, &block);
qDebug("task %d(child %d) processed retrieve, reqId %ld", pTask->taskId, pTask->selfChildId,
pRetrieveBlock->reqId);
}
break;
}
if (output->info.type == STREAM_RETRIEVE) {
if (streamBroadcastToChildren(pTask, output) < 0) {
// TODO
}
continue;
}
SSDataBlock block = {0};
assignOneDataBlock(&block, output);
block.info.childId = pTask->selfChildId;
taosArrayPush(pRes, &block);
}
return 0;
}
static FORCE_INLINE int32_t streamUpdateVer(SStreamTask* pTask, SStreamDataBlock* pBlock) {
ASSERT(pBlock->type == STREAM_INPUT__DATA_BLOCK);
int32_t childId = pBlock->childId;
int64_t ver = pBlock->sourceVer;
SStreamChildEpInfo* pChildInfo = taosArrayGetP(pTask->childEpInfo, childId);
pChildInfo->processedVer = ver;
return 0;
}
int32_t streamPipelineExec(SStreamTask* pTask, int32_t batchNum) {
ASSERT(pTask->execType != TASK_EXEC__NONE);
void* exec = pTask->exec.executor;
while (1) {
SArray* pRes = taosArrayInit(0, sizeof(SSDataBlock));
if (pRes == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return -1;
}
int32_t batchCnt = 0;
while (1) {
SSDataBlock* output = NULL;
uint64_t ts = 0;
if (qExecTask(exec, &output, &ts) < 0) {
ASSERT(0);
}
if (output == NULL) break;
SSDataBlock block = {0};
assignOneDataBlock(&block, output);
block.info.childId = pTask->selfChildId;
taosArrayPush(pRes, &block);
if (++batchCnt >= batchNum) break;
}
if (taosArrayGetSize(pRes) == 0) {
taosArrayDestroy(pRes);
break;
}
SStreamDataBlock* qRes = taosAllocateQitem(sizeof(SStreamDataBlock), DEF_QITEM);
if (qRes == NULL) {
taosArrayDestroyEx(pRes, (FDelete)blockDataFreeRes);
return -1;
}
qRes->type = STREAM_INPUT__DATA_BLOCK;
qRes->blocks = pRes;
qRes->childId = pTask->selfChildId;
if (streamTaskOutput(pTask, qRes) < 0) {
taosArrayDestroyEx(pRes, (FDelete)blockDataFreeRes);
taosFreeQitem(qRes);
return -1;
}
if (pTask->dispatchType != TASK_DISPATCH__NONE) {
ASSERT(pTask->sinkType == TASK_SINK__NONE);
streamDispatch(pTask, pTask->pMsgCb);
}
}
return 0;
}
static SArray* streamExecForQall(SStreamTask* pTask, SArray* pRes) {
while (1) {
int32_t cnt = 0;
void* data = NULL;
while (1) {
SStreamQueueItem* qItem = streamQueueNextItem(pTask->inputQueue);
if (qItem == NULL) {
qDebug("stream exec over, queue empty");
break;
}
if (data == NULL) {
data = qItem;
streamQueueProcessSuccess(pTask->inputQueue);
if (qItem->type == STREAM_INPUT__DATA_BLOCK) {
/*streamUpdateVer(pTask, (SStreamDataBlock*)qItem);*/
} else {
break;
}
} else {
if (streamAppendQueueItem(data, qItem) < 0) {
streamQueueProcessFail(pTask->inputQueue);
break;
} else {
cnt++;
/*streamUpdateVer(pTask, (SStreamDataBlock*)qItem);*/
streamQueueProcessSuccess(pTask->inputQueue);
taosArrayDestroy(((SStreamDataBlock*)qItem)->blocks);
taosFreeQitem(qItem);
}
}
}
if (pTask->taskStatus == TASK_STATUS__DROPPING) {
if (data) streamFreeQitem(data);
taosArrayDestroyEx(pRes, (FDelete)blockDataFreeRes);
return NULL;
}
if (data == NULL) break;
if (pTask->execType == TASK_EXEC__NONE) {
ASSERT(((SStreamQueueItem*)data)->type == STREAM_INPUT__DATA_BLOCK);
streamTaskOutput(pTask, data);
return pRes;
}
qDebug("stream task %d exec begin, msg batch: %d", pTask->taskId, cnt);
streamTaskExecImpl(pTask, data, pRes);
qDebug("stream task %d exec end", pTask->taskId);
if (taosArrayGetSize(pRes) != 0) {
SStreamDataBlock* qRes = taosAllocateQitem(sizeof(SStreamDataBlock), DEF_QITEM);
if (qRes == NULL) {
streamQueueProcessFail(pTask->inputQueue);
taosArrayDestroy(pRes);
return NULL;
}
qRes->type = STREAM_INPUT__DATA_BLOCK;
qRes->blocks = pRes;
if (streamTaskOutput(pTask, qRes) < 0) {
/*streamQueueProcessFail(pTask->inputQueue);*/
taosArrayDestroyEx(pRes, (FDelete)blockDataFreeRes);
taosFreeQitem(qRes);
return NULL;
}
if (((SStreamQueueItem*)data)->type == STREAM_INPUT__DATA_SUBMIT) {
SStreamDataSubmit* pSubmit = (SStreamDataSubmit*)data;
qRes->childId = pTask->selfChildId;
qRes->sourceVer = pSubmit->ver;
}
/*streamQueueProcessSuccess(pTask->inputQueue);*/
pRes = taosArrayInit(0, sizeof(SSDataBlock));
}
streamFreeQitem(data);
}
return pRes;
}
// TODO: handle version
int32_t streamExec(SStreamTask* pTask, SMsgCb* pMsgCb) {
SArray* pRes = taosArrayInit(0, sizeof(SSDataBlock));
if (pRes == NULL) return -1;
while (1) {
int8_t execStatus =
atomic_val_compare_exchange_8(&pTask->execStatus, TASK_EXEC_STATUS__IDLE, TASK_EXEC_STATUS__EXECUTING);
if (execStatus == TASK_EXEC_STATUS__IDLE) {
// first run
qDebug("stream exec, enter exec status");
pRes = streamExecForQall(pTask, pRes);
if (pRes == NULL) goto FAIL;
// set status closing
atomic_store_8(&pTask->execStatus, TASK_EXEC_STATUS__CLOSING);
// second run, make sure inputQ and qall are cleared
qDebug("stream exec, enter closing status");
pRes = streamExecForQall(pTask, pRes);
if (pRes == NULL) goto FAIL;
taosArrayDestroyEx(pRes, (FDelete)blockDataFreeRes);
atomic_store_8(&pTask->execStatus, TASK_EXEC_STATUS__IDLE);
qDebug("stream exec, return result");
return 0;
} else if (execStatus == TASK_EXEC_STATUS__CLOSING) {
continue;
} else if (execStatus == TASK_EXEC_STATUS__EXECUTING) {
ASSERT(taosArrayGetSize(pRes) == 0);
taosArrayDestroyEx(pRes, (FDelete)blockDataFreeRes);
return 0;
} else {
ASSERT(0);
}
}
FAIL:
if (pRes) taosArrayDestroy(pRes);
if (pTask->taskStatus == TASK_STATUS__DROPPING) {
tFreeSStreamTask(pTask);
return 0;
} else {
atomic_store_8(&pTask->execStatus, TASK_EXEC_STATUS__IDLE);
return -1;
}
}