homework-jianmu/source/dnode/mnode/impl/inc/mndStream.h

195 lines
8.6 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_MND_STREAM_H_
#define _TD_MND_STREAM_H_
#include "mndInt.h"
#include "mndTrans.h"
#ifdef __cplusplus
extern "C" {
#endif
#define MND_STREAM_RESERVE_SIZE 64
#define MND_STREAM_VER_NUMBER 5
#define MND_STREAM_TRIGGER_NAME_SIZE 20
#define MND_STREAM_CREATE_NAME "stream-create"
#define MND_STREAM_CHECKPOINT_NAME "stream-checkpoint"
#define MND_STREAM_PAUSE_NAME "stream-pause"
#define MND_STREAM_RESUME_NAME "stream-resume"
#define MND_STREAM_DROP_NAME "stream-drop"
#define MND_STREAM_TASK_RESET_NAME "stream-task-reset"
#define MND_STREAM_TASK_UPDATE_NAME "stream-task-update"
#define MND_STREAM_CHKPT_UPDATE_NAME "stream-chkpt-update"
#define MND_STREAM_CHKPT_CONSEN_NAME "stream-chkpt-consen"
#define MND_STREAM_STOP_NAME "stream-stop"
typedef struct SStreamTransInfo {
int64_t startTime;
int64_t streamId;
const char *name;
int32_t transId;
} SStreamTransInfo;
typedef struct SVgroupChangeInfo {
SHashObj *pDBMap;
SArray *pUpdateNodeList; // SArray<SNodeUpdateInfo>
} SVgroupChangeInfo;
typedef struct SStreamTransMgmt {
SHashObj *pDBTrans;
} SStreamTransMgmt;
typedef struct SStreamTaskResetMsg {
int64_t streamId;
int32_t transId;
int64_t checkpointId;
} SStreamTaskResetMsg;
typedef struct SChkptReportInfo {
SArray *pTaskList;
int64_t reportChkpt;
int64_t streamId;
} SChkptReportInfo;
typedef struct SStreamExecInfo {
int32_t role;
bool switchFromFollower;
bool initTaskList;
SArray *pNodeList;
int64_t ts; // snapshot ts
SStreamTransMgmt transMgmt;
SHashObj *pTaskMap;
SArray *pTaskList;
TdThreadMutex lock;
SHashObj *pTransferStateStreams;
SHashObj *pChkptStreams; // use to update the checkpoint info, if all tasks send the checkpoint-report msgs
SHashObj *pStreamConsensus;
SArray *pKilledChkptTrans; // SArray<SStreamTaskResetMsg>
} SStreamExecInfo;
extern SStreamExecInfo execInfo;
typedef struct SStreamTaskIter SStreamTaskIter;
typedef struct SNodeEntry {
int32_t nodeId;
bool stageUpdated; // the stage has been updated due to the leader/follower change or node reboot.
SEpSet epset; // compare the epset to identify the vgroup tranferring between different dnodes.
int64_t hbTimestamp; // second
int32_t lastHbMsgId; // latest hb msgId
int64_t lastHbMsgTs;
} SNodeEntry;
typedef struct {
SMsgHead head;
} SMStreamReqCheckpointRsp, SMStreamUpdateChkptRsp, SMStreamReqConsensChkptRsp;
typedef struct STaskChkptInfo {
int32_t nodeId;
int32_t taskId;
int64_t streamId;
int64_t checkpointId;
int64_t version;
int64_t ts;
int32_t transId;
int8_t dropHTask;
} STaskChkptInfo;
int32_t mndInitStream(SMnode *pMnode);
void mndCleanupStream(SMnode *pMnode);
int32_t mndAcquireStream(SMnode *pMnode, char *streamName, SStreamObj **pStream);
void mndReleaseStream(SMnode *pMnode, SStreamObj *pStream);
int32_t mndDropStreamByDb(SMnode *pMnode, STrans *pTrans, SDbObj *pDb);
int32_t mndPersistStream(STrans *pTrans, SStreamObj *pStream);
int32_t mndStreamRegisterTrans(STrans *pTrans, const char *pTransName, int64_t streamId);
int32_t mndStreamClearFinishedTrans(SMnode *pMnode, int32_t *pNumOfActiveChkpt, SArray*pLongChkptTrans);
int32_t mndStreamTransConflictCheck(SMnode *pMnode, int64_t streamId, const char *pTransName, bool lock);
int32_t mndStreamGetRelTrans(SMnode *pMnode, int64_t streamId);
int32_t mndGetNumOfStreams(SMnode *pMnode, char *dbName, int32_t *pNumOfStreams);
int32_t mndGetNumOfStreamTasks(const SStreamObj *pStream);
int32_t mndTakeVgroupSnapshot(SMnode *pMnode, bool *allReady, SArray **pList, SHashObj* pTermMap);
void mndDestroyVgroupChangeInfo(SVgroupChangeInfo *pInfo);
void mndKillTransImpl(SMnode *pMnode, int32_t transId, const char *pDbName);
int32_t setTransAction(STrans *pTrans, void *pCont, int32_t contLen, int32_t msgType, const SEpSet *pEpset,
int32_t retryCode, int32_t acceptCode);
int32_t doCreateTrans(SMnode *pMnode, SStreamObj *pStream, SRpcMsg *pReq, ETrnConflct conflict, const char *name,
const char *pMsg, STrans **pTrans1);
int32_t mndPersistTransLog(SStreamObj *pStream, STrans *pTrans, int32_t status);
SSdbRaw *mndStreamActionEncode(SStreamObj *pStream);
int32_t mndStreamSetUpdateEpsetAction(SMnode *pMnode, SStreamObj *pStream, SVgroupChangeInfo *pInfo, STrans *pTrans);
int32_t mndGetStreamObj(SMnode *pMnode, int64_t streamId, SStreamObj **pStream);
bool mndStreamNodeIsUpdated(SMnode *pMnode);
int32_t mndCheckForSnode(SMnode *pMnode, SDbObj *pSrcDb);
int32_t extractNodeEpset(SMnode *pMnode, SEpSet *pEpSet, bool *hasEpset, int32_t taskId, int32_t nodeId);
int32_t mndProcessStreamHb(SRpcMsg *pReq);
int32_t extractStreamNodeList(SMnode *pMnode);
int32_t mndStreamSetResumeAction(STrans *pTrans, SMnode *pMnode, SStreamObj *pStream, int8_t igUntreated);
int32_t mndStreamSetPauseAction(SMnode *pMnode, STrans *pTrans, SStreamObj *pStream);
int32_t mndStreamSetDropAction(SMnode *pMnode, STrans *pTrans, SStreamObj *pStream);
int32_t mndStreamSetDropActionFromList(SMnode *pMnode, STrans *pTrans, SArray *pList);
int32_t mndStreamSetResetTaskAction(SMnode *pMnode, STrans *pTrans, SStreamObj *pStream, int64_t chkptId);
int32_t mndStreamSetUpdateChkptAction(SMnode *pMnode, STrans *pTrans, SStreamObj *pStream);
int32_t mndCreateStreamResetStatusTrans(SMnode *pMnode, SStreamObj *pStream, int64_t chkptId);
int32_t mndStreamSetChkptIdAction(SMnode* pMnode, STrans* pTrans, SStreamObj* pStream, int64_t checkpointId, SArray *pList);
int32_t mndStreamSetStopAction(SMnode *pMnode, STrans *pTrans, SStreamObj *pStream);
int32_t mndStreamSetCheckpointAction(SMnode *pMnode, STrans *pTrans, SStreamTask *pTask, int64_t checkpointId,
int8_t mndTrigger);
int32_t mndStreamSetStopStreamTasksActions(SMnode* pMnode, STrans *pTrans, uint64_t dbUid);
int32_t mndCreateStreamChkptInfoUpdateTrans(SMnode *pMnode, SStreamObj *pStream, SArray *pChkptInfoList);
int32_t mndScanCheckpointReportInfo(SRpcMsg *pReq);
int32_t mndCreateSetConsensusChkptIdTrans(SMnode *pMnode, SStreamObj *pStream, int64_t checkpointId, SArray* pList);
void removeTasksInBuf(SArray *pTaskIds, SStreamExecInfo *pExecInfo);
int32_t mndFindChangedNodeInfo(SMnode *pMnode, const SArray *pPrevNodeList, const SArray *pNodeList,
SVgroupChangeInfo *pInfo);
void killAllCheckpointTrans(SMnode *pMnode, SVgroupChangeInfo *pChangeInfo);
void killChkptAndResetStreamTask(SMnode *pMnode, SArray *pLongChkpts);
bool isNodeUpdateTransActive();
int32_t createStreamTaskIter(SStreamObj *pStream, SStreamTaskIter **pIter);
void destroyStreamTaskIter(SStreamTaskIter *pIter);
bool streamTaskIterNextTask(SStreamTaskIter *pIter);
int32_t streamTaskIterGetCurrent(SStreamTaskIter *pIter, SStreamTask **pTask);
int32_t mndInitExecInfo();
void mndInitStreamExecInfo(SMnode *pMnode, SStreamExecInfo *pExecInfo);
void mndStreamResetInitTaskListLoadFlag();
void mndUpdateStreamExecInfoRole(SMnode *pMnode, int32_t role);
int32_t removeExpiredNodeEntryAndTaskInBuf(SArray *pNodeSnapshot);
void removeStreamTasksInBuf(SStreamObj *pStream, SStreamExecInfo *pExecNode);
int32_t mndGetConsensusInfo(SHashObj *pHash, int64_t streamId, int32_t numOfTasks, SCheckpointConsensusInfo **pInfo);
void mndAddConsensusTasks(SCheckpointConsensusInfo *pInfo, const SRestoreCheckpointInfo *pRestoreInfo);
void mndClearConsensusRspEntry(SCheckpointConsensusInfo *pInfo);
int32_t mndClearConsensusCheckpointId(SHashObj *pHash, int64_t streamId);
int32_t mndClearChkptReportInfo(SHashObj *pHash, int64_t streamId);
int32_t mndResetChkptReportInfo(SHashObj *pHash, int64_t streamId);
int32_t setStreamAttrInResBlock(SStreamObj *pStream, SSDataBlock *pBlock, int32_t numOfRows);
int32_t setTaskAttrInResBlock(SStreamObj *pStream, SStreamTask *pTask, SSDataBlock *pBlock, int32_t nRows, int32_t p);
int32_t mndProcessResetStatusReq(SRpcMsg *pReq);
#ifdef __cplusplus
}
#endif
#endif /*_TD_MND_STREAM_H_*/