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

185 lines
6.2 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_H_
#define _TD_VNODE_H_
#include "os.h"
#include "tmsgcb.h"
#include "tqueue.h"
#include "trpc.h"
#include "sync.h"
#include "tarray.h"
#include "tfs.h"
#include "wal.h"
#include "tcommon.h"
#include "tfs.h"
#include "tmallocator.h"
#include "tmsg.h"
#include "trow.h"
#ifdef __cplusplus
extern "C" {
#endif
// vnode
typedef struct SVnode SVnode;
typedef struct STsdbCfg STsdbCfg; // todo: remove
typedef struct SVnodeCfg SVnodeCfg;
extern const SVnodeCfg vnodeCfgDefault;
int vnodeInit(int nthreads);
void vnodeCleanup();
int vnodeCreate(const char *path, SVnodeCfg *pCfg, STfs *pTfs);
void vnodeDestroy(const char *path, STfs *pTfs);
SVnode *vnodeOpen(const char *path, STfs *pTfs, SMsgCb msgCb);
void vnodeClose(SVnode *pVnode);
int vnodePreprocessWriteReqs(SVnode *pVnode, SArray *pMsgs, int64_t *version);
int vnodeProcessWriteReq(SVnode *pVnode, SRpcMsg *pMsg, int64_t version, SRpcMsg *pRsp);
int vnodeProcessCMsg(SVnode *pVnode, SRpcMsg *pMsg, SRpcMsg **pRsp);
int vnodeProcessSyncReq(SVnode *pVnode, SRpcMsg *pMsg, SRpcMsg **pRsp);
int vnodeProcessQueryMsg(SVnode *pVnode, SRpcMsg *pMsg);
int vnodeProcessFetchMsg(SVnode *pVnode, SRpcMsg *pMsg, SQueueInfo *pInfo);
int32_t vnodeAlter(SVnode *pVnode, const SVnodeCfg *pCfg);
int32_t vnodeCompact(SVnode *pVnode);
int32_t vnodeSync(SVnode *pVnode);
int32_t vnodeGetLoad(SVnode *pVnode, SVnodeLoad *pLoad);
int vnodeValidateTableHash(SVnodeCfg *pVnodeOptions, char *tableFName);
int64_t vnodeGetSyncHandle(SVnode *pVnode);
void vnodeGetSnapshot(SVnode *pVnode, SSnapshot *pSnapshot);
// meta
typedef struct SMeta SMeta; // todo: remove
typedef struct SMTbCursor SMTbCursor;
typedef SVCreateTbReq STbCfg;
typedef SVCreateTSmaReq SSmaCfg;
SMTbCursor *metaOpenTbCursor(SMeta *pMeta);
void metaCloseTbCursor(SMTbCursor *pTbCur);
char *metaTbCursorNext(SMTbCursor *pTbCur);
// tsdb
typedef struct STsdb STsdb;
typedef struct STsdbQueryCond STsdbQueryCond;
typedef void *tsdbReaderT;
#define BLOCK_LOAD_OFFSET_SEQ_ORDER 1
#define BLOCK_LOAD_TABLE_SEQ_ORDER 2
#define BLOCK_LOAD_TABLE_RR_ORDER 3
tsdbReaderT *tsdbQueryTables(STsdb *tsdb, STsdbQueryCond *pCond, STableGroupInfo *tableInfoGroup, uint64_t qId,
uint64_t taskId);
tsdbReaderT tsdbQueryCacheLast(STsdb *tsdb, STsdbQueryCond *pCond, STableGroupInfo *groupList, uint64_t qId,
void *pMemRef);
int32_t tsdbGetFileBlocksDistInfo(tsdbReaderT *pReader, STableBlockDistInfo *pTableBlockInfo);
bool isTsdbCacheLastRow(tsdbReaderT *pReader);
int32_t tsdbQuerySTableByTagCond(void *pMeta, uint64_t uid, TSKEY skey, const char *pTagCond, size_t len,
int16_t tagNameRelType, const char *tbnameCond, STableGroupInfo *pGroupInfo,
SColIndex *pColIndex, int32_t numOfCols, uint64_t reqId, uint64_t taskId);
int64_t tsdbGetNumOfRowsInMemTable(tsdbReaderT *pHandle);
bool tsdbNextDataBlock(tsdbReaderT pTsdbReadHandle);
void tsdbRetrieveDataBlockInfo(tsdbReaderT *pTsdbReadHandle, SDataBlockInfo *pBlockInfo);
int32_t tsdbRetrieveDataBlockStatisInfo(tsdbReaderT *pTsdbReadHandle, SColumnDataAgg **pBlockStatis);
SArray *tsdbRetrieveDataBlock(tsdbReaderT *pTsdbReadHandle, SArray *pColumnIdList);
void tsdbDestroyTableGroup(STableGroupInfo *pGroupList);
int32_t tsdbGetOneTableGroup(void *pMeta, uint64_t uid, TSKEY startKey, STableGroupInfo *pGroupInfo);
int32_t tsdbGetTableGroupFromIdList(STsdb *tsdb, SArray *pTableIdList, STableGroupInfo *pGroupInfo);
// tq
typedef struct STqReadHandle STqReadHandle;
STqReadHandle *tqInitSubmitMsgScanner(SMeta *pMeta);
void tqReadHandleSetColIdList(STqReadHandle *pReadHandle, SArray *pColIdList);
int tqReadHandleSetTbUidList(STqReadHandle *pHandle, const SArray *tbUidList);
int tqReadHandleAddTbUidList(STqReadHandle *pHandle, const SArray *tbUidList);
int32_t tqReadHandleSetMsg(STqReadHandle *pHandle, SSubmitReq *pMsg, int64_t ver);
int32_t tqReadHandleSetMsgEx(STqReadHandle *pHandle, SSubmitReq *pMsg, int64_t ver);
bool tqNextDataBlock(STqReadHandle *pHandle);
int32_t tqRetrieveDataBlock(SArray **ppCols, STqReadHandle *pHandle, uint64_t *pGroupId, int32_t *pNumOfRows,
int16_t *pNumOfCols);
// need to reposition
// structs
struct SMetaCfg {
uint64_t lruSize;
};
struct STsdbCfg {
int8_t precision;
int8_t update;
int8_t compression;
int32_t days;
int32_t minRows;
int32_t maxRows;
int32_t keep2;
int32_t keep0;
int32_t keep1;
uint64_t lruCacheSize;
SArray *retentions;
};
struct SVnodeCfg {
int32_t vgId;
char dbname[TSDB_DB_NAME_LEN];
uint64_t dbId;
uint64_t wsize;
uint64_t ssize;
uint64_t lsize;
bool isHeapAllocator;
uint32_t ttl;
uint32_t keep;
int8_t streamMode;
bool isWeak;
STsdbCfg tsdbCfg;
SWalCfg walCfg;
SSyncCfg syncCfg; // sync integration
uint32_t hashBegin;
uint32_t hashEnd;
int8_t hashMethod;
};
struct STsdbQueryCond {
STimeWindow twindow;
int32_t order; // desc|asc order to iterate the data block
int32_t numOfCols;
SColumnInfo *colList;
bool loadExternalRows; // load external rows or not
int32_t type; // data block load type:
};
typedef struct {
TSKEY lastKey;
uint64_t uid;
} STableKeyInfo;
// sync integration
void vnodeSyncSetQ(SVnode *pVnode, void *qHandle);
void vnodeSyncSetRpc(SVnode *pVnode, void *rpcHandle);
int32_t vnodeSyncStart(SVnode *pVnode);
#ifdef __cplusplus
}
#endif
#endif /*_TD_VNODE_H_*/