private void StartListen()
{
Socket listener = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
var listenAddress = new IPEndPoint(IPAddress.Any, 8552);
listener.Bind(listenAddress);
var udpPack = new UDPPack()
{
buffer = new byte[1024], listener = listener
};
EndPoint ep = (EndPoint)listenAddress;
listener.BeginReceiveFrom(udpPack.buffer, 0, 1024, SocketFlags.None, ref ep, EndRecv, udpPack);
}
private void EndRecv(IAsyncResult result)
{
var context = result.AsyncState as UDPPack;
EndPoint recv = new IPEndPoint(IPAddress.Broadcast, 8552);
int recvCount = context.listener.EndReceiveFrom(result, ref recv);
if (recvCount > 0)
{
var str = Encoding.ASCII.GetString(context.buffer, 0, recvCount);
this.Invoke((Action)(
() =>
{
this.textBox1.Text += (DateTime.Now.ToString() + ":" + str + "\r\n");
}));
}
var listener = context.listener;
var udpPack = new UDPPack()
{
buffer = new byte[1024], listener = listener
};
var ep = (EndPoint) new IPEndPoint(IPAddress.Any, 8552);
listener.BeginReceiveFrom(udpPack.buffer, 0, 1024, SocketFlags.None, ref ep, EndRecv, udpPack);
}
