protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
// Set our view from the "main" layout resource
SetContentView(Resource.Layout.activity_main);
try
{
InetAddress multicastAddress = InetAddress.GetByName("192.168.2.229");
DatagramSocket socket = new DatagramSocket(5004);
byte[] buff = new byte[18];
DatagramPacket packet = new DatagramPacket(buff, buff.Length);
socket.ConnectAsync(multicastAddress, 5008);
socket.ReceiveAsync(packet);
}
catch (Exception e)
{
}
}
public async Task <UdpMessage> ReceiveAsync()
{
//TODO: move socket to constructor?
try
{
socket.SoTimeout = 500;
byte[] recvBuf = new byte[packageSize];
using (DatagramPacket packet = new DatagramPacket(recvBuf, recvBuf.Length))
{
await socket.ReceiveAsync(packet);
var message = Encoding.ASCII.GetString(packet.GetData());
return(new UdpMessage(packet.Address.ToString(), message));
}
}
catch (Java.Net.SocketTimeoutException ex)
{
return(default);