homework-jianmu/source/libs/executor/inc/dataSinkInt.h

59 lines
1.9 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/>.
*/
#ifndef _DATA_SINK_INT_H
#define _DATA_SINK_INT_H
#ifdef __cplusplus
extern "C" {
#endif
#include "tcommon.h"
#include "dataSinkMgt.h"
#include "plannodes.h"
struct SDataSink;
struct SDataSinkHandle;
typedef struct SDataSinkManager {
SDataSinkMgtCfg cfg;
TdThreadMutex mutex;
} SDataSinkManager;
typedef int32_t (*FPutDataBlock)(struct SDataSinkHandle* pHandle, const SInputData* pInput, bool* pContinue);
typedef void (*FEndPut)(struct SDataSinkHandle* pHandle, uint64_t useconds);
typedef void (*FGetDataLength)(struct SDataSinkHandle* pHandle, int32_t* pLen, bool* pQueryEnd);
typedef int32_t (*FGetDataBlock)(struct SDataSinkHandle* pHandle, SOutputData* pOutput);
typedef int32_t (*FDestroyDataSinker)(struct SDataSinkHandle* pHandle);
typedef int32_t (*FGetCacheSize)(struct SDataSinkHandle* pHandle, uint64_t* size);
typedef struct SDataSinkHandle {
FPutDataBlock fPut;
FEndPut fEndPut;
FGetDataLength fGetLen;
FGetDataBlock fGetData;
FDestroyDataSinker fDestroy;
FGetCacheSize fGetCacheSize;
} SDataSinkHandle;
int32_t createDataDispatcher(SDataSinkManager* pManager, const SDataSinkNode* pDataSink, DataSinkHandle* pHandle);
int32_t createDataDeleter(SDataSinkManager* pManager, const SDataSinkNode* pDataSink, DataSinkHandle* pHandle, void *pParam);
#ifdef __cplusplus
}
#endif
#endif /*_DATA_SINK_INT_H*/