82 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			82 lines
		
	
	
		
			3.0 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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| 
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| #ifndef _STREAM_INC_H_
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| #define _STREAM_INC_H_
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| 
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| #include "executor.h"
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| #include "query.h"
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| #include "tstream.h"
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| #include "streamBackendRocksdb.h"
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| #include "trpc.h"
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| 
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| #ifdef __cplusplus
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| extern "C" {
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| #endif
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| 
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| typedef struct {
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|   int8_t inited;
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|   void*  timer;
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| } SStreamGlobalEnv;
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| 
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| typedef struct {
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|   SEpSet  epset;
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|   int32_t taskId;
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|   SRpcMsg msg;
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| } SStreamContinueExecInfo;
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| 
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| extern SStreamGlobalEnv streamEnv;
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| extern int32_t streamBackendId;
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| extern int32_t streamBackendCfWrapperId;
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| 
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| void    streamRetryDispatchStreamBlock(SStreamTask* pTask, int64_t waitDuration);
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| int32_t streamDispatchStreamBlock(SStreamTask* pTask);
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| 
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| int32_t           streamProcessCheckpointBlock(SStreamTask* pTask, SStreamDataBlock* pBlock);
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| SStreamDataBlock* createStreamBlockFromDispatchMsg(const SStreamDispatchReq* pReq, int32_t blockType, int32_t srcVg);
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| SStreamDataBlock* createStreamBlockFromResults(SStreamQueueItem* pItem, SStreamTask* pTask, int64_t resultSize,
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|                                                SArray* pRes);
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| void              destroyStreamDataBlock(SStreamDataBlock* pBlock);
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| 
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| int32_t streamRetrieveReqToData(const SStreamRetrieveReq* pReq, SStreamDataBlock* pData);
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| int32_t streamBroadcastToChildren(SStreamTask* pTask, const SSDataBlock* pBlock);
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| 
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| int32_t tEncodeStreamRetrieveReq(SEncoder* pEncoder, const SStreamRetrieveReq* pReq);
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| 
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| int32_t streamSaveAllTaskStatus(SStreamMeta* pMeta, int64_t checkpointId);
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| int32_t streamTaskBuildCheckpoint(SStreamTask* pTask);
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| int32_t streamDispatchCheckMsg(SStreamTask* pTask, const SStreamTaskCheckReq* pReq, int32_t nodeId, SEpSet* pEpSet);
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| 
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| int32_t streamAddCheckpointReadyMsg(SStreamTask* pTask, int32_t srcTaskId, int32_t index, int64_t checkpointId);
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| int32_t streamTaskSendCheckpointReadyMsg(SStreamTask* pTask);
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| int32_t streamTaskSendCheckpointSourceRsp(SStreamTask* pTask);
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| int32_t streamTaskGetNumOfDownstream(const SStreamTask* pTask);
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| 
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| int32_t extractBlocksFromInputQ(SStreamTask* pTask, SStreamQueueItem** pInput, int32_t* numOfBlocks);
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| SStreamQueueItem* streamMergeQueueItem(SStreamQueueItem* dst, SStreamQueueItem* pElem);
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| 
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| int32_t streamAddEndScanHistoryMsg(SStreamTask* pTask, SRpcHandleInfo* pRpcInfo, SStreamScanHistoryFinishReq* pReq);
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| int32_t streamNotifyUpstreamContinue(SStreamTask* pTask);
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| int32_t streamTaskFillHistoryFinished(SStreamTask* pTask);
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| 
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| extern int32_t streamBackendId;
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| extern int32_t streamBackendCfWrapperId;
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| 
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| #ifdef __cplusplus
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| }
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| #endif
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| 
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| #endif /* ifndef _STREAM_INC_H_ */
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