homework-jianmu/source/dnode/vnode/src/inc/tq.h

193 lines
6.1 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_VNODE_TQ_H_
#define _TD_VNODE_TQ_H_
#include "vnodeInt.h"
#include "executor.h"
#include "os.h"
#include "thash.h"
#include "tmsg.h"
#include "tqueue.h"
#include "trpc.h"
#include "ttimer.h"
#include "wal.h"
#ifdef __cplusplus
extern "C" {
#endif
// tqDebug ===================
// clang-format off
#define tqFatal(...) do { if (tqDebugFlag & DEBUG_FATAL) { taosPrintLog("TQ FATAL ", DEBUG_FATAL, 255, __VA_ARGS__); }} while(0)
#define tqError(...) do { if (tqDebugFlag & DEBUG_ERROR) { taosPrintLog("TQ ERROR ", DEBUG_ERROR, 255, __VA_ARGS__); }} while(0)
#define tqWarn(...) do { if (tqDebugFlag & DEBUG_WARN) { taosPrintLog("TQ WARN ", DEBUG_WARN, 255, __VA_ARGS__); }} while(0)
#define tqInfo(...) do { if (tqDebugFlag & DEBUG_INFO) { taosPrintLog("TQ ", DEBUG_INFO, 255, __VA_ARGS__); }} while(0)
#define tqDebug(...) do { if (tqDebugFlag & DEBUG_DEBUG) { taosPrintLog("TQ ", DEBUG_DEBUG, tqDebugFlag, __VA_ARGS__); }} while(0)
#define tqTrace(...) do { if (tqDebugFlag & DEBUG_TRACE) { taosPrintLog("TQ ", DEBUG_TRACE, tqDebugFlag, __VA_ARGS__); }} while(0)
// clang-format on
typedef struct STqOffsetStore STqOffsetStore;
// tqPush
typedef struct {
// msg info
int64_t consumerId;
int64_t reqOffset;
int64_t processedVer;
int32_t epoch;
// rpc info
int64_t reqId;
SRpcHandleInfo rpcInfo;
tmr_h timerId;
int8_t tmrStopped;
// exec
int8_t inputStatus;
int8_t execStatus;
SStreamQueue inputQ;
SRWLatch lock;
} STqPushHandle;
// tqExec
typedef struct {
char* qmsg; // SubPlanToString
} STqExecCol;
typedef struct {
int64_t suid;
} STqExecTb;
typedef struct {
SHashObj* pFilterOutTbUid;
} STqExecDb;
typedef struct {
int8_t subType;
STqReader* pTqReader;
qTaskInfo_t task;
union {
STqExecCol execCol;
STqExecTb execTb;
STqExecDb execDb;
};
int32_t numOfCols; // number of out pout column, temporarily used
} STqExecHandle;
typedef struct {
char subKey[TSDB_SUBSCRIBE_KEY_LEN];
int64_t consumerId;
int32_t epoch;
int8_t fetchMeta;
int64_t snapshotVer;
SWalReader* pWalReader;
SWalRef* pRef;
STqPushHandle pushHandle; // push
STqExecHandle execHandle; // exec
SRpcMsg* msg;
int32_t noDataPollCnt;
} STqHandle;
typedef struct {
SMqDataRsp* pDataRsp;
char subKey[TSDB_SUBSCRIBE_KEY_LEN];
SRpcHandleInfo info;
} STqPushEntry;
struct STQ {
SVnode* pVnode;
char* path;
int64_t walLogLastVer;
SRWLatch lock;
SHashObj* pPushMgr; // subKey -> STqHandle
SHashObj* pHandle; // subKey -> STqHandle
SHashObj* pCheckInfo; // topic -> SAlterCheckInfo
STqOffsetStore* pOffsetStore;
TDB* pMetaDB;
TTB* pExecStore;
TTB* pCheckStore;
SStreamMeta* pStreamMeta;
};
typedef struct {
int8_t inited;
tmr_h timer;
} STqMgmt;
typedef struct {
int32_t size;
} STqOffsetHead;
static STqMgmt tqMgmt = {0};
int32_t tEncodeSTqHandle(SEncoder* pEncoder, const STqHandle* pHandle);
int32_t tDecodeSTqHandle(SDecoder* pDecoder, STqHandle* pHandle);
// tqRead
int32_t tqScanTaosx(STQ* pTq, const STqHandle* pHandle, STaosxRsp* pRsp, SMqMetaRsp* pMetaRsp, STqOffsetVal* offset);
int32_t tqScanData(STQ* pTq, const STqHandle* pHandle, SMqDataRsp* pRsp, STqOffsetVal* pOffset);
int32_t tqFetchLog(STQ* pTq, STqHandle* pHandle, int64_t* fetchOffset, SWalCkHead** pHeadWithCkSum, uint64_t reqId);
// tqExec
int32_t tqTaosxScanLog(STQ* pTq, STqHandle* pHandle, SPackedData submit, STaosxRsp* pRsp, int32_t* totalRows);
int32_t tqAddBlockDataToRsp(const SSDataBlock* pBlock, SMqDataRsp* pRsp, int32_t numOfCols, int8_t precision);
int32_t tqSendDataRsp(STQ* pTq, const SRpcMsg* pMsg, const SMqPollReq* pReq, const SMqDataRsp* pRsp, int32_t type);
int32_t tqPushDataRsp(STQ* pTq, STqHandle* pHandle);
// tqMeta
int32_t tqMetaOpen(STQ* pTq);
int32_t tqMetaClose(STQ* pTq);
int32_t tqMetaSaveHandle(STQ* pTq, const char* key, const STqHandle* pHandle);
int32_t tqMetaDeleteHandle(STQ* pTq, const char* key);
int32_t tqMetaRestoreHandle(STQ* pTq);
int32_t tqMetaSaveCheckInfo(STQ* pTq, const char* key, const void* value, int32_t vLen);
int32_t tqMetaDeleteCheckInfo(STQ* pTq, const char* key);
int32_t tqMetaRestoreCheckInfo(STQ* pTq);
STqOffsetStore* tqOffsetOpen(STQ* pTq);
void tqOffsetClose(STqOffsetStore*);
STqOffset* tqOffsetRead(STqOffsetStore* pStore, const char* subscribeKey);
int32_t tqOffsetWrite(STqOffsetStore* pStore, const STqOffset* pOffset);
int32_t tqOffsetDelete(STqOffsetStore* pStore, const char* subscribeKey);
int32_t tqOffsetCommitFile(STqOffsetStore* pStore);
// tqSink
int32_t tqBuildDeleteReq(SVnode* pVnode, const char* stbFullName, const SSDataBlock* pDataBlock,
SBatchDeleteReq* deleteReq);
void tqSinkToTablePipeline2(SStreamTask* pTask, void* vnode, int64_t ver, void* data);
// tqOffset
char* tqOffsetBuildFName(const char* path, int32_t fVer);
int32_t tqOffsetRestoreFromFile(STqOffsetStore* pStore, const char* fname);
// tqStream
int32_t tqExpandTask(STQ* pTq, SStreamTask* pTask, int64_t ver);
int32_t tqStreamTasksScanWal(STQ* pTq);
// tq util
char* createStreamTaskIdStr(int64_t streamId, int32_t taskId);
int32_t tqAddInputBlockNLaunchTask(SStreamTask* pTask, SStreamQueueItem* pQueueItem, int64_t ver);
int32_t tqExtractDataForMq(STQ* pTq, STqHandle* pHandle, const SMqPollReq* pRequest, SRpcMsg* pMsg);
#ifdef __cplusplus
}
#endif
#endif /*_TD_VNODE_TQ_H_*/