mirror of https://github.com/F-Stack/f-stack.git
188 lines
3.9 KiB
C++
188 lines
3.9 KiB
C++
|
|
/**
|
|
* Tencent is pleased to support the open source community by making MSEC available.
|
|
*
|
|
* Copyright (C) 2016 THL A29 Limited, a Tencent company. All rights reserved.
|
|
*
|
|
* Licensed under the GNU General Public License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License. You may
|
|
* obtain a copy of the License at
|
|
*
|
|
* https://opensource.org/licenses/GPL-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software distributed under the
|
|
* License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
|
|
* either express or implied. See the License for the specific language governing permissions
|
|
* and limitations under the License.
|
|
*/
|
|
|
|
|
|
/**
|
|
* @file mt_session.h
|
|
* @info 微线程的事件会话管理部分, 每个后端连接关联一session信息
|
|
* @time 20130924
|
|
**/
|
|
|
|
#ifndef __MT_SESSION_H__
|
|
#define __MT_SESSION_H__
|
|
|
|
#include "hash_list.h"
|
|
|
|
namespace NS_MICRO_THREAD {
|
|
|
|
class MicroThread;
|
|
class IMtConnection;
|
|
|
|
enum SESSION_FLAG
|
|
{
|
|
SESSION_IDLE = 0, ///< SESSION 未加入hash管理
|
|
SESSION_INUSE = 1, ///< SESSION 进入管理状态
|
|
};
|
|
|
|
/**
|
|
* @brief 并发请求session接口定义, 根据session可映射出thread,action等
|
|
*/
|
|
class ISession : public HashKey
|
|
{
|
|
public:
|
|
|
|
/**
|
|
* @brief 构造与析构函数
|
|
*/
|
|
ISession() : _session_id(0), _session_flg(0), _thread(NULL), _connection(NULL) {};
|
|
virtual ~ISession();
|
|
|
|
public:
|
|
|
|
/**
|
|
* @brief 会话ID的设置与获取
|
|
*/
|
|
void SetSessionId(int id) {
|
|
_session_id = id;
|
|
};
|
|
int GetSessionId() {
|
|
return _session_id;
|
|
};
|
|
|
|
/**
|
|
* @brief 关联线程的设置与获取
|
|
*/
|
|
MicroThread* GetOwnerThread(){
|
|
return _thread;
|
|
};
|
|
void SetOwnerThread(MicroThread* thread) {
|
|
_thread = thread;
|
|
};
|
|
|
|
/**
|
|
* @brief 关联连接的设置与获取
|
|
*/
|
|
IMtConnection* GetSessionConn(){
|
|
return _connection;
|
|
};
|
|
void SetSessionConn(IMtConnection* conn) {
|
|
_connection = conn;
|
|
};
|
|
|
|
/**
|
|
* @brief 会话flag的设置与获取
|
|
*/
|
|
void SetSessionFlag(int flag) {
|
|
_session_flg = flag;
|
|
};
|
|
int GetSessionFlag() {
|
|
return _session_flg;
|
|
};
|
|
|
|
/**
|
|
* @brief 节点元素的hash算法, 获取key的hash值
|
|
* @return 节点元素的hash值
|
|
*/
|
|
virtual uint32_t HashValue(){
|
|
return _session_id;
|
|
};
|
|
|
|
/**
|
|
* @brief 节点元素的cmp方法, 同一桶ID下, 按key比较
|
|
* @return 节点元素的hash值
|
|
*/
|
|
virtual int HashCmp(HashKey* rhs){
|
|
return this->_session_id - (int)rhs->HashValue();
|
|
};
|
|
|
|
protected:
|
|
|
|
int _session_id; // 会话id信息
|
|
int _session_flg; // 记录session状态 0 -不在hash中, 1 -hash管理中
|
|
MicroThread* _thread; // 会话所属的session
|
|
IMtConnection* _connection; // 会话关联的连接
|
|
};
|
|
|
|
/**
|
|
* @brief 全局的session管理结构
|
|
*/
|
|
class SessionMgr
|
|
{
|
|
public:
|
|
|
|
/**
|
|
* @brief 会话上下文的全局管理句柄接口
|
|
* @return 全局句柄指针
|
|
*/
|
|
static SessionMgr* Instance (void);
|
|
|
|
/**
|
|
* @brief 全局的删除接口
|
|
*/
|
|
static void Destroy();
|
|
|
|
/**
|
|
* @brief 获取sessionid
|
|
* @return 全局句柄指针
|
|
*/
|
|
int GetSessionId(void) {
|
|
_curr_session++;
|
|
if (!_curr_session) {
|
|
_curr_session++;
|
|
}
|
|
return _curr_session;
|
|
};
|
|
|
|
/**
|
|
* @brief Session数据存储
|
|
*/
|
|
int InsertSession(ISession* session);
|
|
|
|
/**
|
|
* @brief 查询session数据
|
|
*/
|
|
ISession* FindSession(int session_id);
|
|
|
|
/**
|
|
* @brief 删除session数据
|
|
*/
|
|
void RemoveSession(int session_id);
|
|
|
|
/**
|
|
* @brief 析构函数
|
|
*/
|
|
~SessionMgr();
|
|
|
|
private:
|
|
|
|
/**
|
|
* @brief 消息buff的构造函数
|
|
*/
|
|
SessionMgr();
|
|
|
|
static SessionMgr * _instance; ///< 单例类句柄
|
|
int _curr_session; ///< session种子
|
|
HashList* _hash_map; ///< 按sessionid hash存储
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|