homework-jianmu/include/libs/scheduler/scheduler.h

120 lines
3.3 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 _TD_SCHEDULER_H_
#define _TD_SCHEDULER_H_
#ifdef __cplusplus
extern "C" {
#endif
#include "catalog.h"
#include "planner.h"
extern tsem_t schdRspSem;
typedef struct SQueryProfileSummary {
int64_t startTs; // Object created and added into the message queue
int64_t endTs; // the timestamp when the task is completed
int64_t cputime; // total cpu cost, not execute elapsed time
int64_t loadRemoteDataDuration; // remote io time
int64_t loadNativeDataDuration; // native disk io time
uint64_t loadNativeData; // blocks + SMA + header files
uint64_t loadRemoteData; // remote data acquired by exchange operator.
uint64_t waitDuration; // the time to waiting to be scheduled in queue does matter, so we need to record it
int64_t addQTs; // the time to be added into the message queue, used to calculate the waiting duration in queue.
uint64_t totalRows;
uint64_t loadRows;
uint32_t totalBlocks;
uint32_t loadBlocks;
uint32_t loadBlockAgg;
uint32_t skipBlocks;
uint64_t resultSize; // generated result size in Kb.
} SQueryProfileSummary;
typedef struct STaskInfo {
SQueryNodeAddr addr;
SSubQueryMsg* msg;
} STaskInfo;
typedef struct SSchdFetchParam {
void** pData;
int32_t* code;
} SSchdFetchParam;
typedef void (*schedulerExecFp)(SExecResult* pResult, void* param, int32_t code);
typedef void (*schedulerFetchFp)(void* pResult, void* param, int32_t code);
typedef bool (*schedulerChkKillFp)(void* param);
typedef struct SSchedulerReq {
bool syncReq;
bool localReq;
SRequestConnInfo* pConn;
SArray* pNodeList;
SQueryPlan* pDag;
int64_t allocatorRefId;
const char* sql;
int64_t startTs;
schedulerExecFp execFp;
schedulerFetchFp fetchFp;
void* cbParam;
schedulerChkKillFp chkKillFp;
void* chkKillParam;
SExecResult* pExecRes;
void** pFetchRes;
} SSchedulerReq;
int32_t schedulerInit(void);
int32_t schedulerExecJob(SSchedulerReq* pReq, int64_t* pJob);
int32_t schedulerFetchRows(int64_t jobId, SSchedulerReq* pReq);
void schedulerFetchRowsA(int64_t job, schedulerFetchFp fp, void* param);
int32_t schedulerGetTasksStatus(int64_t job, SArray* pSub);
void schedulerStopQueryHb(void* pTrans);
int32_t schedulerUpdatePolicy(int32_t policy);
int32_t schedulerEnableReSchedule(bool enableResche);
/**
* Cancel query job
* @param pJob
* @return
*/
// int32_t scheduleCancelJob(void *pJob);
/**
* Free the query job
* @param pJob
*/
void schedulerFreeJob(int64_t* job, int32_t errCode);
void schedulerDestroy(void);
void schdExecCallback(SExecResult* pResult, void* param, int32_t code);
#ifdef __cplusplus
}
#endif
#endif /*_TD_SCHEDULER_H_*/