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

91 lines
2.1 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_DNODE_H_
#define _TD_DNODE_H_
#include "tdef.h"
#ifdef __cplusplus
extern "C" {
#endif
/* ------------------------ TYPES EXPOSED ---------------- */
typedef struct SDnode SDnode;
/**
* @brief Initialize the environment
*
* @return int32_t 0 for success and -1 for failure
*/
int32_t dmInit();
/**
* @brief Clear the environment
*/
void dmCleanup();
/* ------------------------ SDnode ----------------------- */
typedef struct {
int32_t numOfSupportVnodes;
uint16_t serverPort;
char dataDir[PATH_MAX];
char localEp[TSDB_EP_LEN];
char localFqdn[TSDB_FQDN_LEN];
char firstEp[TSDB_EP_LEN];
char secondEp[TSDB_EP_LEN];
SDiskCfg *disks;
int32_t numOfDisks;
int8_t ntype;
} SDnodeOpt;
typedef enum { DND_EVENT_START = 0, DND_EVENT_STOP = 1, DND_EVENT_CHILD = 2 } EDndEvent;
/**
* @brief Initialize and start the dnode.
*
* @param pOption Option of the dnode.
* @return SDnode* The dnode object.
*/
SDnode *dmCreate(const SDnodeOpt *pOption);
/**
* @brief Stop and cleanup the dnode.
*
* @param pDnode The dnode object to close.
*/
void dmClose(SDnode *pDnode);
/**
* @brief Run dnode until specific event is receive.
*
* @param pDnode The dnode object to run.
*/
int32_t dmRun(SDnode *pDnode);
/**
* @brief Handle event in the dnode.
*
* @param pDnode The dnode object to close.
* @param event The event to handle.
*/
void dmSetEvent(SDnode *pDnode, EDndEvent event);
#ifdef __cplusplus
}
#endif
#endif /*_TD_DNODE_H_*/