private void Listen()
{
try
{
IPAddress addr = new IPAddress(Dns.GetHostByName(Dns.GetHostName()).AddressList[0].Address);
IPEndPoint ipLocalEndPoint = new IPEndPoint(addr, 5657);
tcp1 = new TcpListener(ipLocalEndPoint);
tcp1.Start();
while (listenerRun)
{
Socket s = tcp1.AcceptSocket();
string remote = s.RemoteEndPoint.ToString();
Byte[] stream = new Byte[512];
int i = s.Receive(stream);
string msg = "<" + remote + ">" + System.Text.UTF8Encoding.UTF8.GetString(stream);
AddMessageEventArgs arg = new AddMessageEventArgs();
arg.mess = msg;
OnAddMessage(this, arg);
}
}
catch (System.Security.SecurityException)
{
MessageBox.Show("防火墙禁止连接！");
}
catch (Exception)
{
MessageBox.Show("监听已经停止!");
}
}
public void AddMessage(object sender, AddMessageEventArgs e)
{
string message = e.mess;
string appendText;
string[] sep = message.Split('>');
appendText = sep[0] + ">: " + System.DateTime.Now.ToString() + Environment.NewLine + sep[1] + Environment.NewLine;
int txtGetMsgLength = this.richTextBox1.Text.Length;
this.richTextBox1.AppendText(appendText);
this.richTextBox1.Select(txtGetMsgLength, appendText.Length - Environment.NewLine.Length * 2 - sep[1].Length);
this.richTextBox1.SelectionColor = Color.Red;
this.richTextBox1.ScrollToCaret();
}