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

909 lines
30 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_
#define ONE_MiB_F (1048576.0)
#define ONE_KiB_F (1024.0)
#define SIZE_IN_MiB(_v) ((_v) / ONE_MiB_F)
#define SIZE_IN_KiB(_v) ((_v) / ONE_KiB_F)
#define TASK_DOWNSTREAM_READY 0x0
#define TASK_DOWNSTREAM_NOT_READY 0x1
#define TASK_DOWNSTREAM_NOT_LEADER 0x2
#define TASK_UPSTREAM_NEW_STAGE 0x3
#define NODE_ROLE_UNINIT 0x1
#define NODE_ROLE_LEADER 0x2
#define NODE_ROLE_FOLLOWER 0x3
#define HAS_RELATED_FILLHISTORY_TASK(_t) ((_t)->hTaskInfo.id.taskId != 0)
#define CLEAR_RELATED_FILLHISTORY_TASK(_t) \
do { \
(_t)->hTaskInfo.id.taskId = 0; \
(_t)->hTaskInfo.id.streamId = 0; \
} while (0)
#define STREAM_EXEC_T_EXTRACT_WAL_DATA (-1)
#define STREAM_EXEC_T_START_ALL_TASKS (-2)
#define STREAM_EXEC_T_START_ONE_TASK (-3)
#define STREAM_EXEC_T_RESTART_ALL_TASKS (-4)
#define STREAM_EXEC_T_STOP_ALL_TASKS (-5)
#define STREAM_EXEC_T_RESUME_TASK (-6)
#define STREAM_EXEC_T_UPDATE_TASK_EPSET (-7)
typedef struct SStreamTask SStreamTask;
typedef struct SStreamQueue SStreamQueue;
typedef struct SStreamTaskSM SStreamTaskSM;
#define SSTREAM_TASK_VER 3
#define SSTREAM_TASK_INCOMPATIBLE_VER 1
#define SSTREAM_TASK_NEED_CONVERT_VER 2
#define SSTREAM_TASK_SUBTABLE_CHANGED_VER 3
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__READY = 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__DROPPING,
};
enum {
TASK_INPUT_STATUS__NORMAL = 1,
TASK_INPUT_STATUS__BLOCKED,
TASK_INPUT_STATUS__FAILED,
TASK_INPUT_STATUS__REFUSED,
};
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,
TASK_LEVEL_SMA,
} 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 enum EStreamTaskEvent {
TASK_EVENT_INIT = 0x1,
TASK_EVENT_INIT_SCANHIST = 0x2,
TASK_EVENT_SCANHIST_DONE = 0x3,
TASK_EVENT_STOP = 0x4,
TASK_EVENT_GEN_CHECKPOINT = 0x5,
TASK_EVENT_CHECKPOINT_DONE = 0x6,
TASK_EVENT_PAUSE = 0x7,
TASK_EVENT_RESUME = 0x8,
TASK_EVENT_HALT = 0x9,
TASK_EVENT_DROPPING = 0xA,
} EStreamTaskEvent;
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 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
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;
} STaskDispatcherFixed;
typedef struct {
char stbFullName[TSDB_TABLE_FNAME_LEN];
int32_t waitingRspCnt;
SUseDbRsp dbInfo;
} STaskDispatcherShuffle;
typedef struct {
int32_t nodeId;
SEpSet epset;
} SDownstreamTaskEpset;
typedef enum {
TASK_SCANHISTORY_CONT = 0x1,
TASK_SCANHISTORY_QUIT = 0x2,
TASK_SCANHISTORY_REXEC = 0x3,
} EScanHistoryRet;
typedef struct {
EScanHistoryRet ret;
int32_t idleTime;
} SScanhistoryDataInfo;
typedef struct {
int32_t idleDuration; // idle time before use time slice the continue execute scan-history
int32_t numOfTicks;
tmr_h pTimer;
int32_t execCount;
} SScanhistorySchedInfo;
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 processedVer;
int64_t nextProcessVer; // current offset in WAL, not serialize it
int64_t failedId; // record the latest failed checkpoint id
int64_t checkpointingId;
int32_t downstreamAlignNum;
int32_t checkpointNotReadyTasks;
bool dispatchCheckpointTrigger;
int64_t msgVer;
int32_t transId;
} SCheckpointInfo;
typedef struct SStreamStatus {
SStreamTaskSM* pSM;
int8_t taskStatus;
int8_t downstreamReady; // downstream tasks are all ready now, if this flag is set
int8_t schedStatus;
int32_t schedIdleTime; // idle time before invoke again
int64_t lastExecTs; // last exec time stamp
int8_t statusBackup;
bool appendTranstateBlock; // has append the transfer state data block already
int32_t timerActive; // timer is active
int32_t inScanHistorySentinel;
} 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 SStreamDispatchReq SStreamDispatchReq;
typedef struct STokenBucket STokenBucket;
typedef struct SMetaHbInfo SMetaHbInfo;
typedef struct SDispatchMsgInfo {
SStreamDispatchReq* pData; // current dispatch data
int8_t dispatchMsgType;
int16_t msgType; // dispatch msg type
int32_t retryCount; // retry send data count
int64_t startTs; // dispatch start time, record total elapsed time for dispatch
SArray* pRetryList; // current dispatch successfully completed node of downstream
void* pTimer; // used to dispatch data after a given time duration
} SDispatchMsgInfo;
typedef struct STaskQueue {
int8_t status;
SStreamQueue* queue;
} STaskQueue;
typedef struct STaskSchedInfo {
int8_t status;
tmr_h pDelayTimer;
tmr_h pIdleTimer;
} STaskSchedInfo;
typedef struct SSinkRecorder {
int64_t numOfSubmit;
int64_t numOfBlocks;
int64_t numOfRows;
int64_t dataSize;
} SSinkRecorder;
typedef struct STaskExecStatisInfo {
int64_t created;
int64_t init;
int64_t start;
int64_t step1Start;
double step1El;
int64_t step2Start;
double step2El;
int32_t updateCount;
int64_t latestUpdateTs;
int32_t processDataBlocks;
int64_t processDataSize;
int32_t dispatch;
int64_t dispatchDataSize;
int32_t checkpoint;
SSinkRecorder sink;
} STaskExecStatisInfo;
typedef struct SHistoryTaskInfo {
STaskId id;
void* pTimer;
int32_t tickCount;
int32_t retryTimes;
int32_t waitInterval;
int64_t haltVer; // offset in wal when halt the stream task
bool operatorOpen; // false by default
} SHistoryTaskInfo;
typedef struct STaskOutputInfo {
union {
STaskDispatcherFixed fixedDispatcher;
STaskDispatcherShuffle shuffleDispatcher;
STaskSinkTb tbSink;
STaskSinkSma smaSink;
STaskSinkFetch fetchSink;
};
int8_t type;
STokenBucket* pTokenBucket;
SArray* pDownstreamUpdateList;
} STaskOutputInfo;
typedef struct SUpstreamInfo {
SArray* pList;
int32_t numOfClosed;
} SUpstreamInfo;
struct SStreamTask {
int64_t ver;
SStreamTaskId id;
SSTaskBasicInfo info;
STaskQueue outputq;
STaskQueue inputq;
STaskSchedInfo schedInfo;
STaskOutputInfo outputInfo;
SDispatchMsgInfo msgInfo;
SStreamStatus status;
SCheckpointInfo chkInfo;
STaskExec exec;
SDataRange dataRange;
SHistoryTaskInfo hTaskInfo;
STaskId streamTaskId;
STaskExecStatisInfo execInfo;
SArray* pReadyMsgList; // SArray<SStreamChkptReadyInfo*>
TdThreadMutex lock; // secure the operation of set task status and puting data into inputQ
SMsgCb* pMsgCb; // msg handle
SStreamState* pState; // state backend
SArray* pRspMsgList;
SUpstreamInfo upstreamInfo;
// the followings attributes don't be serialized
SScanhistorySchedInfo schedHistoryInfo;
int32_t notReadyTasks;
int32_t numOfWaitingUpstream;
int64_t checkReqId;
SArray* checkReqIds; // shuffle
int32_t refCnt;
int32_t transferStateAlignCnt;
struct SStreamMeta* pMeta;
SSHashObj* pNameMap;
void* pBackend;
int64_t backendRefId;
char reserve[256];
};
typedef int32_t (*startComplete_fn_t)(struct SStreamMeta*);
typedef struct STaskStartInfo {
int64_t startTs;
int64_t readyTs;
int32_t tasksWillRestart;
int32_t taskStarting; // restart flag, sentinel to guard the restart procedure.
SHashObj* pReadyTaskSet; // tasks that are all ready for running stream processing
SHashObj* pFailedTaskSet; // tasks that are done the check downstream process, may be successful or failed
int64_t elapsedTime;
int32_t restartCount; // restart task counter
startComplete_fn_t completeFn; // complete callback function
} STaskStartInfo;
typedef struct STaskUpdateInfo {
SHashObj* pTasks;
int32_t transId;
} STaskUpdateInfo;
typedef struct SScanWalInfo {
int32_t scanCounter;
tmr_h scanTimer;
} SScanWalInfo;
// 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;
int32_t role;
bool sendMsgBeforeClosing; // send hb to mnode before close all tasks when switch to follower.
STaskStartInfo startInfo;
TdThreadRwlock lock;
SScanWalInfo scanInfo;
void* streamBackend;
int64_t streamBackendRid;
SHashObj* pTaskDbUnique;
TdThreadMutex backendMutex;
SMetaHbInfo* pHbInfo;
STaskUpdateInfo updateInfo;
SHashObj* pUpdateTaskSet;
int32_t numOfStreamTasks; // this value should be increased when a new task is added into the meta
int32_t numOfPausedTasks;
int64_t rid;
int64_t chkpId;
int32_t chkpCap;
SArray* chkpSaved;
SArray* chkpInUse;
SRWLatch chkpDirLock;
void* qHandle;
void* bkdChkptMgt;
} SStreamMeta;
int32_t tEncodeStreamEpInfo(SEncoder* pEncoder, const SStreamChildEpInfo* pInfo);
int32_t tDecodeStreamEpInfo(SDecoder* pDecoder, SStreamChildEpInfo* pInfo);
SStreamTask* tNewStreamTask(int64_t streamId, int8_t taskLevel, bool fillHistory, int64_t triggerParam,
SArray* pTaskList, bool hasFillhistory);
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 SStreamQueue* pQueue);
typedef struct {
SMsgHead head;
int64_t streamId;
int32_t taskId;
int32_t reqType;
} SStreamTaskRunReq;
struct SStreamDispatchReq {
int32_t type;
int64_t stage; // nodeId from upstream task
int64_t streamId;
int32_t taskId;
int32_t msgId; // msg id to identify if the incoming msg from the same sender
int32_t srcVgId;
int32_t upstreamTaskId;
int32_t upstreamChildId;
int32_t upstreamNodeId;
int32_t upstreamRelTaskId;
int32_t blockNum;
int64_t totalLen;
SArray* dataLen; // SArray<int32_t>
SArray* data; // SArray<SRetrieveTableRsp*>
};
typedef struct {
int64_t streamId;
int32_t upstreamNodeId;
int32_t upstreamTaskId;
int32_t downstreamNodeId;
int32_t downstreamTaskId;
int32_t msgId;
int8_t inputStatus;
int64_t stage;
} 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;
int64_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;
int32_t transId;
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 statusLastDuration; // to record the last duration of current status
int64_t stage;
int32_t nodeId;
int64_t verStart; // start version in WAL, only valid for source task
int64_t verEnd; // end version in WAL, only valid for source task
int64_t processedVer; // only valid for source task
int64_t activeCheckpointId; // current active checkpoint id
int32_t chkpointTransId; // checkpoint trans id
bool checkpointFailed; // denote if the checkpoint is failed or not
bool inputQChanging; // inputQ is changing or not
int64_t inputQUnchangeCounter;
double inputQUsed; // in MiB
double inputRate;
double sinkQuota; // existed quota size for sink task
double sinkDataSize; // sink to dst data size
} STaskStatusEntry;
typedef struct SStreamHbMsg {
int32_t vgId;
int32_t numOfTasks;
SArray* pTaskStatus; // SArray<STaskStatusEntry>
SArray* pUpdateNodes; // SArray<int32_t>, needs update the epsets in stream tasks for those nodes.
} SStreamHbMsg;
int32_t tEncodeStreamHbMsg(SEncoder* pEncoder, const SStreamHbMsg* pRsp);
int32_t tDecodeStreamHbMsg(SDecoder* pDecoder, SStreamHbMsg* pRsp);
void streamMetaClearHbMsg(SStreamHbMsg* pMsg);
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 {
int32_t transId; // to identify the msg
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 SStreamTaskState {
ETaskStatus state;
char* name;
} SStreamTaskState;
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 streamProcessDispatchMsg(SStreamTask* pTask, SStreamDispatchReq* pReq, SRpcMsg* pMsg);
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 streamExecTask(SStreamTask* pTask);
int32_t streamResumeTask(SStreamTask* pTask);
int32_t streamSchedExec(SStreamTask* pTask);
bool streamTaskShouldStop(const SStreamTask* pStatus);
bool streamTaskShouldPause(const SStreamTask* pStatus);
bool streamTaskIsIdle(const SStreamTask* pTask);
bool streamTaskReadyToRun(const SStreamTask* pTask, char** pStatus);
char* createStreamTaskIdStr(int64_t streamId, int32_t taskId);
SStreamTaskState* streamTaskGetStatus(const SStreamTask* pTask);
const char* streamTaskGetStatusStr(ETaskStatus status);
void streamTaskResetStatus(SStreamTask* pTask);
void streamTaskSetStatusReady(SStreamTask* pTask);
void initRpcMsg(SRpcMsg* pMsg, int32_t msgType, void* pCont, int32_t contLen);
// recover and fill history
void streamTaskCheckDownstream(SStreamTask* pTask);
int32_t streamTaskCheckStatus(SStreamTask* pTask, int32_t upstreamTaskId, int32_t vgId, int64_t stage,
int64_t* oldStage);
int32_t streamTaskUpdateEpsetInfo(SStreamTask* pTask, SArray* pNodeList);
void streamTaskResetUpstreamStageInfo(SStreamTask* pTask);
bool streamTaskIsAllUpstreamClosed(SStreamTask* pTask);
bool streamTaskSetSchedStatusWait(SStreamTask* pTask);
int8_t streamTaskSetSchedStatusActive(SStreamTask* pTask);
int8_t streamTaskSetSchedStatusInactive(SStreamTask* pTask);
int32_t streamTaskClearHTaskAttr(SStreamTask* pTask);
int32_t streamTaskHandleEvent(SStreamTaskSM* pSM, EStreamTaskEvent event);
int32_t streamTaskHandleEventAsync(SStreamTaskSM* pSM, EStreamTaskEvent event, void* pFn);
int32_t streamTaskOnHandleEventSuccess(SStreamTaskSM* pSM, EStreamTaskEvent event);
void streamTaskRestoreStatus(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);
int32_t streamReExecScanHistoryFuture(SStreamTask* pTask, int32_t idleDuration);
bool streamHistoryTaskSetVerRangeStep2(SStreamTask* pTask, int64_t latestVer);
int32_t streamQueueGetNumOfItems(const SStreamQueue* pQueue);
// common
int32_t streamRestoreParam(SStreamTask* pTask);
void streamTaskPause(SStreamMeta* pMeta, SStreamTask* pTask);
void streamTaskResume(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);
int32_t streamTaskSetDb(SStreamMeta* pMeta, void* pTask, char* key);
bool streamTaskIsSinkTask(const SStreamTask* pTask);
void streamTaskStatusInit(STaskStatusEntry* pEntry, const SStreamTask* pTask);
void streamTaskStatusCopy(STaskStatusEntry* pDst, const STaskStatusEntry* pSrc);
// source level
int32_t streamSetParamForStreamScannerStep1(SStreamTask* pTask, SVersionRange* pVerRange, STimeWindow* pWindow);
int32_t streamSetParamForStreamScannerStep2(SStreamTask* pTask, SVersionRange* pVerRange, STimeWindow* pWindow);
SScanhistoryDataInfo streamScanHistoryData(SStreamTask* pTask, int64_t st);
int32_t streamDispatchScanHistoryFinishMsg(SStreamTask* pTask);
// agg level
int32_t streamProcessScanHistoryFinishReq(SStreamTask* pTask, SStreamScanHistoryFinishReq* pReq, SRpcHandleInfo* pInfo);
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, startComplete_fn_t fn);
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);
SStreamTask* streamMetaAcquireTaskNoLock(SStreamMeta* pMeta, int64_t streamId, int32_t taskId);
SStreamTask* streamMetaAcquireTask(SStreamMeta* pMeta, int64_t streamId, int32_t taskId);
void streamMetaReleaseTask(SStreamMeta* pMeta, SStreamTask* pTask);
void streamMetaClear(SStreamMeta* pMeta);
void streamMetaInitBackend(SStreamMeta* pMeta);
int32_t streamMetaCommit(SStreamMeta* pMeta);
int64_t streamMetaGetLatestCheckpointId(SStreamMeta* pMeta);
void streamMetaNotifyClose(SStreamMeta* pMeta);
void streamMetaStartHb(SStreamMeta* pMeta);
bool streamMetaTaskInTimer(SStreamMeta* pMeta);
int32_t streamMetaAddTaskLaunchResult(SStreamMeta* pMeta, int64_t streamId, int32_t taskId, int64_t startTs,
int64_t endTs, bool ready);
void streamMetaRLock(SStreamMeta* pMeta);
void streamMetaRUnLock(SStreamMeta* pMeta);
void streamMetaWLock(SStreamMeta* pMeta);
void streamMetaWUnLock(SStreamMeta* pMeta);
void streamMetaResetStartInfo(STaskStartInfo* pMeta);
SArray* streamMetaSendMsgBeforeCloseTasks(SStreamMeta* pMeta);
void streamMetaUpdateStageRole(SStreamMeta* pMeta, int64_t stage, bool isLeader);
int32_t streamMetaLoadAllTasks(SStreamMeta* pMeta);
int32_t streamMetaStartAllTasks(SStreamMeta* pMeta);
int32_t streamMetaStopAllTasks(SStreamMeta* pMeta);
int32_t streamMetaStartOneTask(SStreamMeta* pMeta, int64_t streamId, int32_t taskId);
bool streamMetaAllTasksReady(const SStreamMeta* pMeta);
// checkpoint
int32_t streamProcessCheckpointSourceReq(SStreamTask* pTask, SStreamCheckpointSourceReq* pReq);
int32_t streamProcessCheckpointReadyMsg(SStreamTask* pTask);
int32_t streamTaskBuildCheckpoint(SStreamTask* pTask);
void streamTaskClearCheckInfo(SStreamTask* pTask, bool clearChkpReadyMsg);
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);
SStreamTaskSM* streamCreateStateMachine(SStreamTask* pTask);
void* streamDestroyStateMachine(SStreamTaskSM* pSM);
#ifdef __cplusplus
}
#endif
#endif /* ifndef _STREAM_H_ */