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

77 lines
1.8 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 _TD_BNODE_H_
#define _TD_BNODE_H_
#include "tmsgcb.h"
#ifdef __cplusplus
extern "C" {
#endif
/* ------------------------ TYPES EXPOSED ------------------------ */
typedef struct SBnode SBnode;
typedef struct {
#ifdef WINDOWS
size_t avoidCompilationErrors;
#endif
} SBnodeLoad;
typedef struct {
SMsgCb msgCb;
} SBnodeOpt;
/* ------------------------ SBnode ------------------------ */
/**
* @brief Start one Bnode in Dnode.
*
* @param path Path of the bnode.
* @param pOption Option of the bnode.
* @return SBnode* The bnode object.
*/
SBnode *bndOpen(const char *path, const SBnodeOpt *pOption);
/**
* @brief Stop Bnode in Dnode.
*
* @param pBnode The bnode object to close.
*/
void bndClose(SBnode *pBnode);
/**
* @brief Get the statistical information of Bnode
*
* @param pBnode The bnode object.
* @param pLoad Statistics of the bnode.
* @return int32_t 0 for success, -1 for failure.
*/
int32_t bndGetLoad(SBnode *pBnode, SBnodeLoad *pLoad);
/**
* @brief Process a query message.
*
* @param pBnode The bnode object.
* @param pMsgs The array of SRpcMsg
* @return int32_t 0 for success, -1 for failure
*/
int32_t bndProcessWMsgs(SBnode *pBnode, SArray *pMsgs);
#ifdef __cplusplus
}
#endif
#endif /*_TD_BNODE_H_*/