homework-jianmu/include/server/vnode/vnode.h

112 lines
3.1 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_H_
#define _TD_VNODE_H_
#include "impl/vnodeImpl.h"
#ifdef __cplusplus
extern "C" {
#endif
/* ------------------------ TYPES EXPOSED ------------------------ */
typedef struct SVnode SVnode;
typedef struct SVnodeOptions SVnodeOptions;
/* ------------------------ SVnode ------------------------ */
SVnode *vnodeOpen(const char *path, const SVnodeOptions *pVnodeOptions);
void vnodeClose(SVnode *pVnode);
void vnodeDestroy(const char *path);
int vnodeProcessWriteReqs(SVnode *pVnode, SReqBatch *pReqBatch);
int vnodeApplyWriteRequest(SVnode *pVnode, const SRequest *pRequest);
int vnodeProcessReadReq(SVnode *pVnode, SRequest *pReq);
int vnodeProcessSyncReq(SVnode *pVnode, SRequest *pReq);
/* ------------------------ SVnodeOptions ------------------------ */
void vnodeOptionsInit(SVnodeOptions *);
void vnodeOptionsClear(SVnodeOptions *);
#if 1
#include "taosmsg.h"
#include "trpc.h"
typedef struct {
char db[TSDB_FULL_DB_NAME_LEN];
int32_t cacheBlockSize; // MB
int32_t totalBlocks;
int32_t daysPerFile;
int32_t daysToKeep0;
int32_t daysToKeep1;
int32_t daysToKeep2;
int32_t minRowsPerFileBlock;
int32_t maxRowsPerFileBlock;
int8_t precision; // time resolution
int8_t compression;
int8_t cacheLastRow;
int8_t update;
int8_t quorum;
int8_t replica;
int8_t selfIndex;
int8_t walLevel;
int32_t fsyncPeriod; // millisecond
SReplica replicas[TSDB_MAX_REPLICA];
} SVnodeCfg;
typedef enum {
VN_MSG_TYPE_WRITE = 1,
VN_MSG_TYPE_APPLY,
VN_MSG_TYPE_SYNC,
VN_MSG_TYPE_QUERY,
VN_MSG_TYPE_FETCH
} EVnMsgType;
typedef struct {
int32_t curNum;
int32_t allocNum;
SRpcMsg rpcMsg[];
} SVnodeMsg;
typedef struct {
void (*SendMsgToDnode)(SEpSet *pEpSet, SRpcMsg *pMsg);
void (*SendMsgToMnode)(SRpcMsg *pMsg);
int32_t (*PutMsgIntoApplyQueue)(int32_t vgId, SVnodeMsg *pMsg);
} SVnodePara;
int32_t vnodeInit(SVnodePara);
void vnodeCleanup();
int32_t vnodeAlter(SVnode *pVnode, const SVnodeCfg *pCfg);
SVnode *vnodeCreate(int32_t vgId, const char *path, const SVnodeCfg *pCfg);
void vnodeDrop(SVnode *pVnode);
int32_t vnodeCompact(SVnode *pVnode);
int32_t vnodeSync(SVnode *pVnode);
int32_t vnodeGetLoad(SVnode *pVnode, SVnodeLoad *pLoad);
SVnodeMsg *vnodeInitMsg(int32_t msgNum);
int32_t vnodeAppendMsg(SVnodeMsg *pMsg, SRpcMsg *pRpcMsg);
void vnodeCleanupMsg(SVnodeMsg *pMsg);
void vnodeProcessMsg(SVnode *pVnode, SVnodeMsg *pMsg, EVnMsgType msgType);
#endif
#ifdef __cplusplus
}
#endif
#endif /*_TD_VNODE_H_*/