public Dialog(ConnectionModel model)
{
DataContext = model;
InitializeComponent();
worker = new DiscoveryWorker();
logger = new ConnectionLogger(LogBox);
}
public StartupForm()
{
InitializeComponent();
RefreshDevices();
client = new UdpClient();
var groupAddr = IPAddress.Parse("239.101.13.37");
client.JoinMulticastGroup(groupAddr);
client.EnableBroadcast = true;
multicastEndpoint = new IPEndPoint(groupAddr, 11111);
names = new Dictionary <long, string>();
addresses = new Dictionary <long, IPEndPoint>();
DiscoveryWorker.RunWorkerAsync();
EmitBroadcastMessage();
}
private void DiscoveryWorker_DoWork(object sender, System.ComponentModel.DoWorkEventArgs e)
{
IPEndPoint remoteEndpoint = new IPEndPoint(IPAddress.Any, 50);
while (true)
{
try
{
byte[] data = client.Receive(ref remoteEndpoint);
if (data.Length >= 12)
{
try
{
var code = Encoding.ASCII.GetString(data.Take(3).ToArray());
if (code != "Hey")
{
continue;
}
var id = BitConverter.ToInt64(data.Skip(3).Take(8).ToArray(), 0);
var name = Encoding.ASCII.GetString(data.Skip(11).ToArray());
names[id] = name;
addresses[id] = remoteEndpoint;
DiscoveryWorker.ReportProgress(1);
DiscoveryWorker.ReportProgress(0);
}
catch
{
Console.WriteLine("got an invalid packet");
continue;
}
}
}
catch
{
return;
}
}
}
