public async Task DiscoveryAsync(CancellationToken ct, IPAddress interfaceAddress)
{
IPEndPoint interfaceEndpoint = new IPEndPoint(interfaceAddress, 2048);
var udpClient = new BroadcastUdpClient(interfaceEndpoint);
//udpClient.EnableBroadcast = true;
await udpClient.SendAsync(_Datagram, _Datagram.Length, _EP2);
udpClient.EnableBroadcast = false;
ct.Register(() => udpClient.Close());
HashSet <ulong> packetHash = new HashSet <ulong>();
while (!ct.IsCancellationRequested)
{
UdpReceiveResult receiveResult;
try
{
receiveResult = await udpClient.ReceiveAsync();
}
catch (ObjectDisposedException)
{
break;
}
DiscoveryPacket dpack = new DiscoveryPacket(receiveResult.Buffer);
Device device = dpack.DecodePacket();
Boolean result = packetHash.Add(Utils.CalculateHash(receiveResult.Buffer));
if (result)
{
OnDeviceDiscovered(device);
}
}
udpClient.Close();
packetHash.Clear();
}
public async Task DiscoveryAsync(CancellationToken ct)
{
var udpClient = new UdpClient(_EP1);
udpClient.EnableBroadcast = true;
await udpClient.SendAsync(_Datagram, _Datagram.Length, _EP2);
udpClient.EnableBroadcast = false;
ct.Register(() => udpClient.Close());
while (!ct.IsCancellationRequested)
{
UdpReceiveResult receiveResult;
try
{
receiveResult = await udpClient.ReceiveAsync();
}
catch (ObjectDisposedException)
{
break;
}
DiscoveryPacket dpack = new DiscoveryPacket(receiveResult.Buffer);
Device device = dpack.DecodePacket();
Boolean result = _PacketHash.Add(Utils.CalculateHash(receiveResult.Buffer));
if (result)
{
OnDeviceDiscovered(device);
}
}
udpClient.Close();
_PacketHash.Clear();
}
