///<summary>
/// 当客户链接等待传入时被调用。
/// 关闭监听器时，也被调用，只不过EndAcceptTcpClient会触发异常
/// </summary>
///<param name="ar">异步操作的结果</param>
private void OnAccept(IAsyncResult ar)
{
TcpClient tcp = null;
try
{
tcp = TcpServer.EndAcceptTcpClient(ar);
}
catch { return; }
try
{
// 先重新开始监听，不要耽误了别的来访者访问
TcpServer.BeginAcceptTcpClient(new AsyncCallback(this.OnAccept), TcpServer);
}
catch { Dispose(); }
try
{
if (tcp != null)
{
NetHelper.SetKeepAlive(tcp.Client, true, 30000, 30000);
Session NewClient = OnAccept(tcp);
if (Config.IsShow && OnWriteLog != null)
{
NewClient.OnWriteLog += new WriteLogDelegate(WriteLog);
}
NewClient.OnDestroy += new DestroyDelegate(ClientDestroy);
NewClient.Listener = this;
NewClient.WriteLog("新客户 (" + tcp.Client.RemoteEndPoint.ToString() + ")");
Clients.Add(NewClient);
NewClient.Start();
}
}
catch (Exception ex)
{
Trace.WriteLine("监听器接受连接时出错！ " + ex.Message);
}
}