homework-jianmu/include/libs/stream/tstream.h

730 lines
22 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 "os.h"
#include "streamState.h"
#include "tdatablock.h"
#include "tdbInt.h"
#include "tmsg.h"
#include "tmsgcb.h"
#include "tqueue.h"
#include "ttimer.h"
#ifdef __cplusplus
extern "C" {
#endif
#ifndef _STREAM_H_
#define _STREAM_H_
typedef struct SStreamTask SStreamTask;
#define SSTREAM_TASK_VER 2
enum {
STREAM_STATUS__NORMAL = 0,
STREAM_STATUS__STOP,
STREAM_STATUS__INIT,
STREAM_STATUS__FAILED,
STREAM_STATUS__RECOVER,
STREAM_STATUS__PAUSE,
};
typedef enum ETaskStatus {
TASK_STATUS__NORMAL = 0,
TASK_STATUS__DROPPING,
TASK_STATUS__UNINIT, // not used, an placeholder
TASK_STATUS__STOP,
TASK_STATUS__SCAN_HISTORY, // stream task scan history data by using tsdbread in the stream scanner
TASK_STATUS__HALT, // pause, but not be manipulated by user command
TASK_STATUS__PAUSE, // pause
TASK_STATUS__CK, // stream task is in checkpoint status, no data are allowed to put into inputQ anymore
} ETaskStatus;
enum {
TASK_SCHED_STATUS__INACTIVE = 1,
TASK_SCHED_STATUS__WAITING,
TASK_SCHED_STATUS__ACTIVE,
TASK_SCHED_STATUS__FAILED,
TASK_SCHED_STATUS__DROPPING,
};
enum {
TASK_INPUT_STATUS__NORMAL = 1,
TASK_INPUT_STATUS__BLOCKED,
TASK_INPUT_STATUS__FAILED,
};
enum {
TASK_OUTPUT_STATUS__NORMAL = 1,
TASK_OUTPUT_STATUS__WAIT,
};
enum {
TASK_TRIGGER_STATUS__INACTIVE = 1,
TASK_TRIGGER_STATUS__ACTIVE,
};
typedef enum {
TASK_LEVEL__SOURCE = 1,
TASK_LEVEL__AGG,
TASK_LEVEL__SINK,
} ETASK_LEVEL;
enum {
TASK_OUTPUT__FIXED_DISPATCH = 1,
TASK_OUTPUT__SHUFFLE_DISPATCH,
TASK_OUTPUT__TABLE,
TASK_OUTPUT__SMA,
TASK_OUTPUT__FETCH,
};
enum {
STREAM_QUEUE__SUCESS = 1,
STREAM_QUEUE__FAILED,
STREAM_QUEUE__PROCESSING,
};
enum {
STREAM_META_WILL_STOP = 1,
STREAM_META_OK_TO_STOP = 2,
};
typedef struct {
int8_t type;
} SStreamQueueItem;
typedef void FTbSink(SStreamTask* pTask, void* vnode, void* data);
typedef void FSmaSink(void* vnode, int64_t smaId, const SArray* data);
typedef int32_t FTaskExpand(void* ahandle, SStreamTask* pTask, int64_t ver);
typedef struct {
int8_t type;
int64_t ver;
SPackedData submit;
} SStreamDataSubmit;
typedef struct {
int8_t type;
int64_t ver;
SArray* submits; // SArray<SPackedSubmit>
} SStreamMergedSubmit;
typedef struct {
int8_t type;
int64_t nodeId; // nodeId, from SStreamMeta
int32_t srcVgId;
int32_t srcTaskId;
int32_t childId;
int64_t sourceVer;
int64_t reqId;
SArray* blocks; // SArray<SSDataBlock>
} SStreamDataBlock;
// ref data block, for delete
typedef struct {
int8_t type;
SSDataBlock* pBlock;
} SStreamRefDataBlock;
typedef struct {
int8_t type;
SSDataBlock* pBlock;
} SStreamTrigger;
typedef struct SStreamQueueNode SStreamQueueNode;
struct SStreamQueueNode {
SStreamQueueItem* item;
SStreamQueueNode* next;
};
typedef struct {
SStreamQueueNode* head;
int64_t size;
} SStreamQueueRes;
#if 0
bool streamQueueResEmpty(const SStreamQueueRes* pRes);
int64_t streamQueueResSize(const SStreamQueueRes* pRes);
SStreamQueueNode* streamQueueResFront(SStreamQueueRes* pRes);
SStreamQueueNode* streamQueueResPop(SStreamQueueRes* pRes);
void streamQueueResClear(SStreamQueueRes* pRes);
SStreamQueueRes streamQueueBuildRes(SStreamQueueNode* pNode);
#endif
typedef struct {
SStreamQueueNode* pHead;
} SStreamQueue1;
#if 0
bool streamQueueHasTask(const SStreamQueue1* pQueue);
int32_t streamQueuePush(SStreamQueue1* pQueue, SStreamQueueItem* pItem);
SStreamQueueRes streamQueueGetRes(SStreamQueue1* pQueue);
#endif
typedef struct {
STaosQueue* pQueue;
STaosQall* qall;
void* qItem;
int8_t status;
} SStreamQueue;
int32_t streamInit();
void streamCleanUp();
SStreamDataSubmit* streamDataSubmitNew(SPackedData* pData, int32_t type);
void streamDataSubmitDestroy(SStreamDataSubmit* pDataSubmit);
typedef struct {
char* qmsg;
void* pExecutor; // not applicable to encoder and decoder
struct SWalReader* pWalReader; // not applicable to encoder and decoder
} STaskExec;
typedef struct {
int32_t taskId;
int32_t nodeId;
SEpSet epSet;
} STaskDispatcherFixedEp;
typedef struct {
char stbFullName[TSDB_TABLE_FNAME_LEN];
int32_t waitingRspCnt;
SUseDbRsp dbInfo;
} STaskDispatcherShuffle;
typedef struct {
int64_t stbUid;
char stbFullName[TSDB_TABLE_FNAME_LEN];
SSchemaWrapper* pSchemaWrapper;
void* vnode; // not available to encoder and decoder
FTbSink* tbSinkFunc;
STSchema* pTSchema;
SSHashObj* pTblInfo;
} STaskSinkTb;
typedef struct {
int64_t smaId;
// following are not applicable to encoder and decoder
void* vnode;
FSmaSink* smaSink;
} STaskSinkSma;
typedef struct {
int8_t reserved;
} STaskSinkFetch;
typedef struct SStreamChildEpInfo {
int32_t nodeId;
int32_t childId;
int32_t taskId;
SEpSet epSet;
bool dataAllowed; // denote if the data from this upstream task is allowed to put into inputQ, not serialize it
int64_t stage; // upstream task stage value, to denote if the upstream node has restart/replica changed/transfer
} SStreamChildEpInfo;
typedef struct STaskId {
int64_t streamId;
int64_t taskId;
} STaskId;
typedef struct SStreamTaskId {
int64_t streamId;
int32_t taskId;
const char* idStr;
} SStreamTaskId;
typedef struct SCheckpointInfo {
int64_t startTs;
int64_t checkpointId;
int64_t checkpointVer; // latest checkpointId version
int64_t nextProcessVer; // current offset in WAL, not serialize it
} SCheckpointInfo;
typedef struct SStreamStatus {
int8_t taskStatus;
int8_t downstreamReady; // downstream tasks are all ready now, if this flag is set
int8_t schedStatus;
int8_t keepTaskStatus;
bool appendTranstateBlock; // has append the transfer state data block already, todo: remove it
int8_t timerActive; // timer is active
int8_t pauseAllowed; // allowed task status to be set to be paused
} SStreamStatus;
typedef struct SDataRange {
SVersionRange range;
STimeWindow window;
} SDataRange;
typedef struct SSTaskBasicInfo {
int32_t nodeId; // vgroup id or snode id
SEpSet epSet;
SEpSet mnodeEpset; // mnode epset for send heartbeat
int32_t selfChildId;
int32_t totalLevel;
int8_t taskLevel;
int8_t fillHistory; // is fill history task or not
int64_t triggerParam; // in msec
} SSTaskBasicInfo;
typedef struct SDispatchMsgInfo {
void* pData; // current dispatch data
int16_t msgType; // dispatch msg type
int32_t retryCount; // retry send data count
int64_t blockingTs; // output blocking timestamp
} SDispatchMsgInfo;
typedef struct STaskOutputInfo {
int8_t type;
int8_t status;
SStreamQueue* queue;
} STaskOutputInfo;
typedef struct STaskInputInfo {
int8_t status;
SStreamQueue* queue;
} STaskInputInfo;
typedef struct STaskSchedInfo {
int8_t status;
void* pTimer;
} STaskSchedInfo;
typedef struct SSinkTaskRecorder {
int64_t numOfSubmit;
int64_t numOfBlocks;
int64_t numOfRows;
} SSinkTaskRecorder;
typedef struct {
int64_t created;
int64_t init;
int64_t step1Start;
int64_t step2Start;
int64_t start;
int32_t updateCount;
int64_t latestUpdateTs;
} STaskExecStatisInfo;
typedef struct STokenBucket STokenBucket;
typedef struct SMetaHbInfo SMetaHbInfo;
struct SStreamTask {
int64_t ver;
SStreamTaskId id;
SSTaskBasicInfo info;
STaskOutputInfo outputInfo;
STaskInputInfo inputInfo;
STaskSchedInfo schedInfo;
SDispatchMsgInfo msgInfo;
SStreamStatus status;
SCheckpointInfo chkInfo;
STaskExec exec;
SDataRange dataRange;
STaskId historyTaskId;
STaskId streamTaskId;
STaskExecStatisInfo taskExecInfo;
SArray* pReadyMsgList; // SArray<SStreamChkptReadyInfo*>
TdThreadMutex lock; // secure the operation of set task status and puting data into inputQ
SArray* pUpstreamInfoList;
// output
union {
STaskDispatcherFixedEp fixedEpDispatcher;
STaskDispatcherShuffle shuffleDispatcher;
STaskSinkTb tbSink;
STaskSinkSma smaSink;
STaskSinkFetch fetchSink;
};
SSinkTaskRecorder sinkRecorder;
STokenBucket* pTokenBucket;
void* launchTaskTimer;
SMsgCb* pMsgCb; // msg handle
SStreamState* pState; // state backend
SArray* pRspMsgList;
// the followings attributes don't be serialized
int32_t notReadyTasks;
int32_t numOfWaitingUpstream;
int64_t checkReqId;
SArray* checkReqIds; // shuffle
int32_t refCnt;
int64_t checkpointingId;
int32_t checkpointAlignCnt;
int32_t checkpointNotReadyTasks;
int32_t transferStateAlignCnt;
struct SStreamMeta* pMeta;
SSHashObj* pNameMap;
char reserve[256];
};
// meta
typedef struct SStreamMeta {
char* path;
TDB* db;
TTB* pTaskDb;
TTB* pCheckpointDb;
SHashObj* pTasksMap;
SArray* pTaskList; // SArray<STaskId*>
void* ahandle;
TXN* txn;
FTaskExpand* expandFunc;
int32_t vgId;
int64_t stage;
bool leader;
int8_t taskWillbeLaunched;
SRWLatch lock;
int32_t walScanCounter;
void* streamBackend;
int64_t streamBackendRid;
SHashObj* pTaskBackendUnique;
TdThreadMutex backendMutex;
SMetaHbInfo* pHbInfo;
SHashObj* pUpdateTaskSet;
int32_t numOfStreamTasks; // this value should be increased when a new task is added into the meta
int32_t numOfPausedTasks;
int32_t chkptNotReadyTasks;
int64_t rid;
int64_t chkpId;
SArray* chkpSaved;
SArray* chkpInUse;
int32_t chkpCap;
SRWLatch chkpDirLock;
} SStreamMeta;
int32_t tEncodeStreamEpInfo(SEncoder* pEncoder, const SStreamChildEpInfo* pInfo);
int32_t tDecodeStreamEpInfo(SDecoder* pDecoder, SStreamChildEpInfo* pInfo);
SStreamTask* tNewStreamTask(int64_t streamId, int8_t taskLevel, int8_t fillHistory, int64_t triggerParam,
SArray* pTaskList);
int32_t tEncodeStreamTask(SEncoder* pEncoder, const SStreamTask* pTask);
int32_t tDecodeStreamTask(SDecoder* pDecoder, SStreamTask* pTask);
void tFreeStreamTask(SStreamTask* pTask);
int32_t streamTaskInit(SStreamTask* pTask, SStreamMeta* pMeta, SMsgCb* pMsgCb, int64_t ver);
int32_t tDecodeStreamTaskChkInfo(SDecoder* pDecoder, SCheckpointInfo* pChkpInfo);
int32_t tDecodeStreamTaskId(SDecoder* pDecoder, STaskId* pTaskId);
int32_t streamTaskPutDataIntoInputQ(SStreamTask* pTask, SStreamQueueItem* pItem);
int32_t streamTaskPutDataIntoOutputQ(SStreamTask* pTask, SStreamDataBlock* pBlock);
int32_t streamTaskPutTranstateIntoInputQ(SStreamTask* pTask);
bool streamQueueIsFull(const STaosQueue* pQueue, bool inputQ);
typedef struct {
SMsgHead head;
int64_t streamId;
int32_t taskId;
} SStreamTaskRunReq;
typedef struct {
int32_t type;
int64_t stage; // nodeId from upstream task
int64_t streamId;
int32_t taskId;
int32_t srcVgId;
int32_t upstreamTaskId;
int32_t upstreamChildId;
int32_t upstreamNodeId;
int32_t blockNum;
int64_t totalLen;
SArray* dataLen; // SArray<int32_t>
SArray* data; // SArray<SRetrieveTableRsp*>
} SStreamDispatchReq;
typedef struct {
int64_t streamId;
int32_t upstreamNodeId;
int32_t upstreamTaskId;
int32_t downstreamNodeId;
int32_t downstreamTaskId;
int8_t inputStatus;
} SStreamDispatchRsp;
typedef struct {
int64_t streamId;
int64_t reqId;
int32_t srcTaskId;
int32_t srcNodeId;
int32_t dstTaskId;
int32_t dstNodeId;
int32_t retrieveLen;
SRetrieveTableRsp* pRetrieve;
} SStreamRetrieveReq;
typedef struct {
int64_t streamId;
int32_t childId;
int32_t rspFromTaskId;
int32_t rspToTaskId;
} SStreamRetrieveRsp;
typedef struct {
int64_t reqId;
int64_t stage;
int64_t streamId;
int32_t upstreamNodeId;
int32_t upstreamTaskId;
int32_t downstreamNodeId;
int32_t downstreamTaskId;
int32_t childId;
} SStreamTaskCheckReq;
typedef struct {
int64_t reqId;
int64_t streamId;
int32_t upstreamNodeId;
int32_t upstreamTaskId;
int32_t downstreamNodeId;
int32_t downstreamTaskId;
int32_t childId;
int32_t oldStage;
int8_t status;
} SStreamTaskCheckRsp;
typedef struct {
SMsgHead msgHead;
int64_t streamId;
int32_t taskId;
int8_t igUntreated;
} SStreamScanHistoryReq;
typedef struct {
int64_t streamId;
int32_t upstreamTaskId;
int32_t downstreamTaskId;
int32_t upstreamNodeId;
int32_t childId;
} SStreamScanHistoryFinishReq;
int32_t tEncodeStreamScanHistoryFinishReq(SEncoder* pEncoder, const SStreamScanHistoryFinishReq* pReq);
int32_t tDecodeStreamScanHistoryFinishReq(SDecoder* pDecoder, SStreamScanHistoryFinishReq* pReq);
typedef struct {
int64_t streamId;
int64_t checkpointId;
int32_t taskId;
int32_t nodeId;
SEpSet mgmtEps;
int32_t mnodeId;
int64_t expireTime;
} SStreamCheckpointSourceReq;
typedef struct {
int64_t streamId;
int64_t checkpointId;
int32_t taskId;
int32_t nodeId;
int32_t mnodeId;
int64_t expireTime;
int8_t success;
} SStreamCheckpointSourceRsp;
int32_t tEncodeStreamCheckpointSourceReq(SEncoder* pEncoder, const SStreamCheckpointSourceReq* pReq);
int32_t tDecodeStreamCheckpointSourceReq(SDecoder* pDecoder, SStreamCheckpointSourceReq* pReq);
int32_t tEncodeStreamCheckpointSourceRsp(SEncoder* pEncoder, const SStreamCheckpointSourceRsp* pRsp);
int32_t tDecodeStreamCheckpointSourceRsp(SDecoder* pDecoder, SStreamCheckpointSourceRsp* pRsp);
typedef struct {
SMsgHead msgHead;
int64_t streamId;
int64_t checkpointId;
int32_t downstreamTaskId;
int32_t downstreamNodeId;
int32_t upstreamTaskId;
int32_t upstreamNodeId;
int32_t childId;
} SStreamCheckpointReadyMsg;
int32_t tEncodeStreamCheckpointReadyMsg(SEncoder* pEncoder, const SStreamCheckpointReadyMsg* pRsp);
int32_t tDecodeStreamCheckpointReadyMsg(SDecoder* pDecoder, SStreamCheckpointReadyMsg* pRsp);
typedef struct STaskStatusEntry {
STaskId id;
int32_t status;
int32_t stage;
int32_t nodeId;
} STaskStatusEntry;
typedef struct SStreamHbMsg {
int32_t vgId;
int32_t numOfTasks;
SArray* pTaskStatus; // SArray<SStreamTaskStatusEntry>
} SStreamHbMsg;
int32_t tEncodeStreamHbMsg(SEncoder* pEncoder, const SStreamHbMsg* pRsp);
int32_t tDecodeStreamHbMsg(SDecoder* pDecoder, SStreamHbMsg* pRsp);
typedef struct {
int64_t streamId;
int32_t upstreamTaskId;
int32_t upstreamNodeId;
int32_t downstreamId;
int32_t downstreamNode;
} SStreamCompleteHistoryMsg;
int32_t tEncodeCompleteHistoryDataMsg(SEncoder* pEncoder, const SStreamCompleteHistoryMsg* pReq);
int32_t tDecodeCompleteHistoryDataMsg(SDecoder* pDecoder, SStreamCompleteHistoryMsg* pReq);
typedef struct SNodeUpdateInfo {
int32_t nodeId;
SEpSet prevEp;
SEpSet newEp;
} SNodeUpdateInfo;
typedef struct SStreamTaskNodeUpdateMsg {
int64_t streamId;
int32_t taskId;
SArray* pNodeList; // SArray<SNodeUpdateInfo>
} SStreamTaskNodeUpdateMsg;
int32_t tEncodeStreamTaskUpdateMsg(SEncoder* pEncoder, const SStreamTaskNodeUpdateMsg* pMsg);
int32_t tDecodeStreamTaskUpdateMsg(SDecoder* pDecoder, SStreamTaskNodeUpdateMsg* pMsg);
typedef struct {
int64_t streamId;
int32_t downstreamTaskId;
int32_t taskId;
} SStreamRecoverDownstreamReq;
typedef struct {
int64_t streamId;
int32_t downstreamTaskId;
int32_t taskId;
SArray* checkpointVer; // SArray<SStreamCheckpointInfo>
} SStreamRecoverDownstreamRsp;
int32_t tEncodeStreamTaskCheckReq(SEncoder* pEncoder, const SStreamTaskCheckReq* pReq);
int32_t tDecodeStreamTaskCheckReq(SDecoder* pDecoder, SStreamTaskCheckReq* pReq);
int32_t tEncodeStreamTaskCheckRsp(SEncoder* pEncoder, const SStreamTaskCheckRsp* pRsp);
int32_t tDecodeStreamTaskCheckRsp(SDecoder* pDecoder, SStreamTaskCheckRsp* pRsp);
int32_t tEncodeStreamDispatchReq(SEncoder* pEncoder, const SStreamDispatchReq* pReq);
int32_t tDecodeStreamDispatchReq(SDecoder* pDecoder, SStreamDispatchReq* pReq);
int32_t tDecodeStreamRetrieveReq(SDecoder* pDecoder, SStreamRetrieveReq* pReq);
void tDeleteStreamRetrieveReq(SStreamRetrieveReq* pReq);
void tDeleteStreamDispatchReq(SStreamDispatchReq* pReq);
int32_t streamSetupScheduleTrigger(SStreamTask* pTask);
int32_t streamProcessRunReq(SStreamTask* pTask);
int32_t streamProcessDispatchMsg(SStreamTask* pTask, SStreamDispatchReq* pReq, SRpcMsg* pMsg, bool exec);
int32_t streamProcessDispatchRsp(SStreamTask* pTask, SStreamDispatchRsp* pRsp, int32_t code);
int32_t streamProcessRetrieveReq(SStreamTask* pTask, SStreamRetrieveReq* pReq, SRpcMsg* pMsg);
SStreamChildEpInfo* streamTaskGetUpstreamTaskEpInfo(SStreamTask* pTask, int32_t taskId);
void streamTaskInputFail(SStreamTask* pTask);
int32_t streamTryExec(SStreamTask* pTask);
int32_t streamSchedExec(SStreamTask* pTask);
bool streamTaskShouldStop(const SStreamStatus* pStatus);
bool streamTaskShouldPause(const SStreamStatus* pStatus);
bool streamTaskIsIdle(const SStreamTask* pTask);
void initRpcMsg(SRpcMsg* pMsg, int32_t msgType, void* pCont, int32_t contLen);
char* createStreamTaskIdStr(int64_t streamId, int32_t taskId);
// recover and fill history
void streamTaskCheckDownstream(SStreamTask* pTask);
int32_t streamTaskLaunchScanHistory(SStreamTask* pTask);
int32_t streamTaskCheckStatus(SStreamTask* pTask, int32_t upstreamTaskId, int32_t vgId, int64_t stage);
int32_t streamTaskUpdateEpsetInfo(SStreamTask* pTask, SArray* pNodeList);
void streamTaskResetUpstreamStageInfo(SStreamTask* pTask);
int8_t streamTaskSetSchedStatusWait(SStreamTask* pTask);
int8_t streamTaskSetSchedStatusActive(SStreamTask* pTask);
int8_t streamTaskSetSchedStatusInActive(SStreamTask* pTask);
int32_t streamTaskStop(SStreamTask* pTask);
int32_t streamSendCheckRsp(const SStreamMeta* pMeta, const SStreamTaskCheckReq* pReq, SStreamTaskCheckRsp* pRsp,
SRpcHandleInfo* pRpcInfo, int32_t taskId);
int32_t streamProcessCheckRsp(SStreamTask* pTask, const SStreamTaskCheckRsp* pRsp);
int32_t streamLaunchFillHistoryTask(SStreamTask* pTask);
int32_t streamTaskScanHistoryDataComplete(SStreamTask* pTask);
int32_t streamStartScanHistoryAsync(SStreamTask* pTask, int8_t igUntreated);
bool streamHistoryTaskSetVerRangeStep2(SStreamTask* pTask, int64_t latestVer);
int32_t streamQueueGetNumOfItems(const SStreamQueue* pQueue);
// common
int32_t streamRestoreParam(SStreamTask* pTask);
int32_t streamSetStatusNormal(SStreamTask* pTask);
int32_t streamSetStatusUnint(SStreamTask* pTask);
const char* streamGetTaskStatusStr(int32_t status);
void streamTaskPause(SStreamTask* pTask, SStreamMeta* pMeta);
void streamTaskResume(SStreamTask* pTask, SStreamMeta* pMeta);
void streamTaskHalt(SStreamTask* pTask);
void streamTaskResumeFromHalt(SStreamTask* pTask);
void streamTaskDisablePause(SStreamTask* pTask);
void streamTaskEnablePause(SStreamTask* pTask);
int32_t streamTaskSetUpstreamInfo(SStreamTask* pTask, const SStreamTask* pUpstreamTask);
void streamTaskUpdateUpstreamInfo(SStreamTask* pTask, int32_t nodeId, const SEpSet* pEpSet);
void streamTaskUpdateDownstreamInfo(SStreamTask* pTask, int32_t nodeId, const SEpSet* pEpSet);
void streamTaskSetFixedDownstreamInfo(SStreamTask* pTask, const SStreamTask* pDownstreamTask);
int32_t streamTaskReleaseState(SStreamTask* pTask);
int32_t streamTaskReloadState(SStreamTask* pTask);
void streamTaskCloseUpstreamInput(SStreamTask* pTask, int32_t taskId);
void streamTaskOpenAllUpstreamInput(SStreamTask* pTask);
// source level
int32_t streamSetParamForStreamScannerStep1(SStreamTask* pTask, SVersionRange* pVerRange, STimeWindow* pWindow);
int32_t streamSetParamForStreamScannerStep2(SStreamTask* pTask, SVersionRange* pVerRange, STimeWindow* pWindow);
int32_t streamScanHistoryData(SStreamTask* pTask);
int32_t streamDispatchScanHistoryFinishMsg(SStreamTask* pTask);
// agg level
int32_t streamProcessScanHistoryFinishReq(SStreamTask* pTask, SStreamScanHistoryFinishReq* pReq,
SRpcHandleInfo* pRpcInfo);
int32_t streamProcessScanHistoryFinishRsp(SStreamTask* pTask);
// stream task meta
void streamMetaInit();
void streamMetaCleanup();
SStreamMeta* streamMetaOpen(const char* path, void* ahandle, FTaskExpand expandFunc, int32_t vgId, int64_t stage);
void streamMetaClose(SStreamMeta* streamMeta);
int32_t streamMetaSaveTask(SStreamMeta* pMeta, SStreamTask* pTask); // save to stream meta store
int32_t streamMetaRemoveTask(SStreamMeta* pMeta, STaskId* pKey);
int32_t streamMetaRegisterTask(SStreamMeta* pMeta, int64_t ver, SStreamTask* pTask, bool* pAdded);
int32_t streamMetaUnregisterTask(SStreamMeta* pMeta, int64_t streamId, int32_t taskId);
int32_t streamMetaGetNumOfTasks(SStreamMeta* pMeta);
int32_t streamMetaGetNumOfStreamTasks(SStreamMeta* pMeta);
SStreamTask* streamMetaAcquireTask(SStreamMeta* pMeta, int64_t streamId, int32_t taskId);
void streamMetaReleaseTask(SStreamMeta* pMeta, SStreamTask* pTask);
int32_t streamMetaReopen(SStreamMeta* pMeta);
int32_t streamMetaCommit(SStreamMeta* pMeta);
int32_t streamMetaLoadAllTasks(SStreamMeta* pMeta);
void streamMetaNotifyClose(SStreamMeta* pMeta);
void streamMetaStartHb(SStreamMeta* pMeta);
// checkpoint
int32_t streamProcessCheckpointSourceReq(SStreamTask* pTask, SStreamCheckpointSourceReq* pReq);
int32_t streamProcessCheckpointReadyMsg(SStreamTask* pTask);
int32_t streamAlignTransferState(SStreamTask* pTask);
int32_t streamBuildAndSendDropTaskMsg(SMsgCb* pMsgCb, int32_t vgId, SStreamTaskId* pTaskId);
int32_t streamAddCheckpointSourceRspMsg(SStreamCheckpointSourceReq* pReq, SRpcHandleInfo* pRpcInfo, SStreamTask* pTask,
int8_t isSucceed);
int32_t buildCheckpointSourceRsp(SStreamCheckpointSourceReq* pReq, SRpcHandleInfo* pRpcInfo, SRpcMsg* pMsg,
int8_t isSucceed);
#ifdef __cplusplus
}
#endif
#endif /* ifndef _STREAM_H_ */