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package znet
import (
"errors"
"fmt"
"sync"
"github.com/aceld/zinx/ziface"
)
/*
连接管理模块
*/
type ConnManager struct {
connections map[uint32]ziface.IConnection //管理的连接信息
connLock sync.RWMutex //读写连接的读写锁
}
/*
创建一个链接管理
*/
func NewConnManager() *ConnManager {
return &ConnManager{
connections:make(map[uint32] ziface.IConnection),
}
}
//添加链接
func (connMgr *ConnManager) Add(conn ziface.IConnection) {
//保护共享资源Map 加写锁
connMgr.connLock.Lock()
defer connMgr.connLock.Unlock()
//将conn连接添加到ConnMananger中
connMgr.connections[conn.GetConnID()] = conn
fmt.Println("connection add to ConnManager successfully: conn num = ", connMgr.Len())
}
//删除连接
func (connMgr *ConnManager) Remove(conn ziface.IConnection) {
//保护共享资源Map 加写锁
connMgr.connLock.Lock()
defer connMgr.connLock.Unlock()
//删除连接信息
delete(connMgr.connections, conn.GetConnID())
fmt.Println("connection Remove ConnID=",conn.GetConnID(), " successfully: conn num = ", connMgr.Len())
}
//利用ConnID获取链接
func (connMgr *ConnManager) Get(connID uint32) (ziface.IConnection, error) {
//保护共享资源Map 加读锁
connMgr.connLock.RLock()
defer connMgr.connLock.RUnlock()
if conn, ok := connMgr.connections[connID]; ok {
return conn, nil
} else {
return nil, errors.New("connection not found")
}
}
//获取当前连接
func (connMgr *ConnManager) Len() int {
return len(connMgr.connections)
}
//清除并停止所有连接
func (connMgr *ConnManager) ClearConn() {
//保护共享资源Map 加写锁
connMgr.connLock.Lock()
defer connMgr.connLock.Unlock()
//停止并删除全部的连接信息
for connID, conn := range connMgr.connections {
//停止
conn.Stop()
//删除
delete(connMgr.connections,connID)
}
fmt.Println("Clear All Connections successfully: conn num = ", connMgr.Len())
}