homework-jianmu/src/mnode/inc/mnodeSdb.h

109 lines
2.8 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 TDENGINE_MNODE_SDB_H
#define TDENGINE_MNODE_SDB_H
#ifdef __cplusplus
extern "C" {
#endif
#include "mnode.h"
#include "twal.h"
typedef enum {
SDB_TABLE_CLUSTER = 0,
SDB_TABLE_DNODE = 1,
SDB_TABLE_MNODE = 2,
SDB_TABLE_ACCOUNT = 3,
SDB_TABLE_USER = 4,
SDB_TABLE_DB = 5,
SDB_TABLE_VGROUP = 6,
SDB_TABLE_STABLE = 7,
SDB_TABLE_CTABLE = 8,
SDB_TABLE_MAX = 9
} ESdbTable;
typedef enum {
SDB_KEY_STRING = 0,
SDB_KEY_INT = 1,
SDB_KEY_AUTO = 2,
SDB_KEY_VAR_STRING = 3,
} ESdbKey;
typedef enum {
SDB_OPER_GLOBAL = 0,
SDB_OPER_LOCAL = 1
} ESdbOper;
typedef struct SSdbRow {
ESdbOper type;
int32_t processedCount; // for sync fwd callback
int32_t code; // for callback in sdb queue
int32_t rowSize;
void * rowData;
void * pObj;
void * pTable;
SMnodeMsg *pMsg;
int32_t (*fpReq)(SMnodeMsg *pMsg);
int32_t (*fpRsp)(SMnodeMsg *pMsg, int32_t code);
char reserveForSync[16];
SWalHead pHead[];
} SSdbRow;
typedef struct {
char * name;
int32_t hashSessions;
int32_t maxRowSize;
int32_t refCountPos;
ESdbTable id;
ESdbKey keyType;
int32_t (*fpInsert)(SSdbRow *pRow);
int32_t (*fpDelete)(SSdbRow *pRow);
int32_t (*fpUpdate)(SSdbRow *pRow);
int32_t (*fpEncode)(SSdbRow *pRow);
int32_t (*fpDecode)(SSdbRow *pRow);
int32_t (*fpDestroy)(SSdbRow *pRow);
int32_t (*fpRestored)();
} SSdbTableDesc;
int32_t sdbInit();
void sdbCleanUp();
void * sdbOpenTable(SSdbTableDesc *desc);
void sdbCloseTable(void *handle);
bool sdbIsMaster();
bool sdbIsServing();
void sdbUpdateMnodeRoles();
int32_t sdbInsertRow(SSdbRow *pRow);
int32_t sdbDeleteRow(SSdbRow *pRow);
int32_t sdbUpdateRow(SSdbRow *pRow);
int32_t sdbInsertRowToQueue(SSdbRow *pRow);
void * sdbGetRow(void *pTable, void *key);
void * sdbFetchRow(void *pTable, void *pIter, void **ppRow);
void sdbFreeIter(void *pTable, void *pIter);
void sdbIncRef(void *pTable, void *pRow);
void sdbDecRef(void *pTable, void *pRow);
int64_t sdbGetNumOfRows(void *pTable);
int32_t sdbGetId(void *pTable);
uint64_t sdbGetVersion();
bool sdbCheckRowDeleted(void *pTable, void *pRow);
#ifdef __cplusplus
}
#endif
#endif