public bool Del(AsyncSocket arg)
{
bool ret = false;
if (arg != null)
{
lock (this.pool)
{
pool.Remove(arg);
ret = true;
}
}
else
{
ret = false;
}
return ret;
}
public bool Add(AsyncSocket arg)
{
bool ret = false;
lock (this.pool)
{
if (arg != null && this.pool.Count < capacity)
{
pool.Add(arg);
ret = true;
}
else
{
ret = false;
}
}
return ret;
}
/// <summary>
/// 处理收到连接请求
/// </summary>
private void AcceptConnectRequest(IAsyncResult ar)
{
//有连接时会执行回调函数
//server执行Close时，停止异步连接，也会执行此回调函数
if (!isStart) //isStart==false
{
return;
}
try
{
Socket listener = (Socket)ar.AsyncState;
Socket client = listener.EndAccept(ar);
AsyncSocket socket = new AsyncSocket();
socket.Attach(client);
if (clientPool.Add(socket))
{
socket.DisConnectRequestEvent += new SocketEventHandler(AsyncSocket_DisConnectRequestEvent);
Interlocked.Increment(ref this.numConnectedSockets);
string outStr = String.Format("客户 {0} 连入, 共有 {1} 个连接。", client.RemoteEndPoint.ToString(), this.numConnectedSockets);
mainForm.Invoke(mainForm.setlistboxcallback, outStr);
}
else
{
//达到最大连接数
socket.Disconnect();
mainForm.Invoke(mainForm.setlistboxcallback, "达到最大连接数,监听结束");
return;
}
listener.BeginAccept(new AsyncCallback(AcceptConnectRequest), listener);//死循环等待处理连接请求
}
catch (SocketException sex)
{
mainForm.Invoke(mainForm.setlistboxcallback, "监听结束" + sex.Message);
}
catch (Exception ex)
{
mainForm.Invoke(mainForm.setlistboxcallback, ex.Message);
}
}
public bool Del(AsyncSocket arg)
{
bool ret = false;
if (arg != null)
{
lock (this.pool)
{
pool.Remove(arg);
ret = true;
}
}
else
{
ret = false;
}
return(ret);
}
public bool Add(AsyncSocket arg)
{
bool ret = false;
lock (this.pool)
{
if (arg != null && this.pool.Count < capacity)
{
pool.Add(arg);
ret = true;
}
else
{
ret = false;
}
}
return(ret);
}
private void AsyncSocket_DisConnectRequestEvent(AsyncSocket e)
{
this.clientPool.Del(e);
Interlocked.Decrement(ref this.numConnectedSockets);
string outStr = String.Format("�ͻ� {0} �Ͽ�, ���� {1} �����ӡ�", e.socket.RemoteEndPoint.ToString(), this.numConnectedSockets);
mainForm.Invoke(mainForm.setlistboxcallback, outStr);
}
/// <summary>
/// �����յ���������
/// </summary>
private void AcceptConnectRequest(IAsyncResult ar)
{
//������ʱ��ִ�лص�����
//serverִ��Closeʱ��ֹͣ�첽���ӣ�Ҳ��ִ�д˻ص�����
if (!isStart) //isStart==false
{
return;
}
try
{
Socket listener = (Socket)ar.AsyncState;
Socket client = listener.EndAccept(ar);
AsyncSocket socket = new AsyncSocket();
socket.Attach(client);
if (clientPool.Add(socket))
{
socket.DisConnectRequestEvent += new SocketEventHandler(AsyncSocket_DisConnectRequestEvent);
Interlocked.Increment(ref this.numConnectedSockets);
string outStr = String.Format("�ͻ� {0} ����, ���� {1} �����ӡ�", client.RemoteEndPoint.ToString(), this.numConnectedSockets);
mainForm.Invoke(mainForm.setlistboxcallback, outStr);
}
else
{
//�ﵽ���������
socket.Disconnect();
mainForm.Invoke(mainForm.setlistboxcallback, "�ﵽ���������,��������");
return;
}
listener.BeginAccept(new AsyncCallback(AcceptConnectRequest), listener);//��ѭ���ȴ�������������
}
catch (SocketException sex)
{
mainForm.Invoke(mainForm.setlistboxcallback, "��������" + sex.Message);
}
catch (Exception ex)
{
mainForm.Invoke(mainForm.setlistboxcallback, ex.Message);
}
}
