homework-jianmu/include/dnode/mnode/mnode.h

117 lines
2.7 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_MND_H_
#define _TD_MND_H_
#include "monitor.h"
#include "tmsg.h"
#include "tmsgcb.h"
#include "trpc.h"
#ifdef __cplusplus
extern "C" {
#endif
/* ------------------------ TYPES EXPOSED ------------------------ */
typedef struct SMnode SMnode;
typedef struct {
int32_t dnodeId;
bool deploy;
int8_t selfIndex;
int8_t numOfReplicas;
SReplica replicas[TSDB_MAX_REPLICA];
SMsgCb msgCb;
} SMnodeOpt;
/* ------------------------ SMnode ------------------------ */
/**
* @brief Open a mnode.
*
* @param path Path of the mnode.
* @param pOption Option of the mnode.
* @return SMnode* The mnode object.
*/
SMnode *mndOpen(const char *path, const SMnodeOpt *pOption);
/**
* @brief Close a mnode.
*
* @param pMnode The mnode object to close.
*/
void mndClose(SMnode *pMnode);
void mndPreClose(SMnode *pMnode);
/**
* @brief Start mnode
*
* @param pMnode The mnode object.
*/
int32_t mndStart(SMnode *pMnode);
/**
* @brief Stop mnode
*
* @param pMnode The mnode object.
*/
void mndStop(SMnode *pMnode);
/**
* @brief Get mnode monitor info.
*
* @param pMnode The mnode object.
* @param pCluster
* @param pVgroup
* @param pStbInfo
* @param pGrant
* @return int32_t 0 for success, -1 for failure.
*/
int32_t mndGetMonitorInfo(SMnode *pMnode, SMonClusterInfo *pClusterInfo, SMonVgroupInfo *pVgroupInfo,
SMonStbInfo *pStbInfo, SMonGrantInfo *pGrantInfo);
/**
* @brief Get mnode loads for status msg.
*
* @param pMnode The mnode object.
* @param pLoad
* @return int32_t 0 for success, -1 for failure.
*/
int32_t mndGetLoad(SMnode *pMnode, SMnodeLoad *pLoad);
/**
* @brief Process the rpc, sync request.
*
* @param pMsg The request msg.
* @return int32_t 0 for success, -1 for failure.
*/
int32_t mndProcessRpcMsg(SRpcMsg *pMsg);
int32_t mndProcessSyncMsg(SRpcMsg *pMsg);
int32_t mndPreProcessQueryMsg(SRpcMsg *pMsg);
void mndPostProcessQueryMsg(SRpcMsg *pMsg);
/**
* @brief Generate machine code
*/
void mndGenerateMachineCode();
void mndDumpSdb();
#ifdef __cplusplus
}
#endif
#endif /*_TD_MND_H_*/