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

128 lines
3.8 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 STqOffsetCfg STqOffsetCfg;
typedef struct STqOffsetStore STqOffsetStore;
struct STqReadHandle {
int64_t ver;
SHashObj* tbIdHash;
const SSubmitReq* pMsg;
SSubmitBlk* pBlock;
SSubmitMsgIter msgIter;
SSubmitBlkIter blkIter;
SMeta* pVnodeMeta;
SArray* pColIdList; // SArray<int16_t>
int32_t sver;
int64_t cachedSchemaUid;
SSchemaWrapper* pSchemaWrapper;
STSchema* pSchema;
};
typedef struct {
int64_t consumerId;
int32_t epoch;
int32_t skipLogNum;
int64_t reqOffset;
SRWLatch lock;
SRpcMsg* handle;
} STqPushHandle;
typedef struct {
char subKey[TSDB_SUBSCRIBE_KEY_LEN];
int64_t consumerId;
int32_t epoch;
int8_t subType;
int8_t withTbName;
int8_t withSchema;
int8_t withTag;
char* qmsg;
SHashObj* pDropTbUid;
STqPushHandle pushHandle;
// SRWLatch lock;
SWalReadHandle* pWalReader;
// task number should be the same with fetch thread
STqReadHandle* pExecReader[5];
qTaskInfo_t task[5];
} STqExec;
int32_t tEncodeSTqExec(SEncoder* pEncoder, const STqExec* pExec);
int32_t tDecodeSTqExec(SDecoder* pDecoder, STqExec* pExec);
struct STQ {
char* path;
SHashObj* pushMgr; // consumerId -> STqExec*
SHashObj* execs; // subKey -> STqExec
SHashObj* pStreamTasks;
SVnode* pVnode;
SWal* pWal;
TDB* pMetaStore;
TTB* pExecStore;
};
typedef struct {
int8_t inited;
tmr_h timer;
} STqMgmt;
static STqMgmt tqMgmt = {0};
// init once
int tqInit();
void tqCleanUp();
// tqOffset
STqOffsetStore* STqOffsetOpen(STqOffsetCfg*);
void STqOffsetClose(STqOffsetStore*);
int64_t tqOffsetFetch(STqOffsetStore* pStore, const char* subscribeKey);
int32_t tqOffsetCommit(STqOffsetStore* pStore, const char* subscribeKey, int64_t offset);
int32_t tqOffsetPersist(STqOffsetStore* pStore, const char* subscribeKey);
int32_t tqOffsetPersistAll(STqOffsetStore* pStore);
#ifdef __cplusplus
}
#endif
#endif /*_TD_VNODE_TQ_H_*/