public Task DiscoverAsync(CancellationToken cancellationToken)
{
this.ConnectedMounts.Clear();
Task.Run(async() =>
{
while (!cancellationToken.IsCancellationRequested)
{
UdpReceiveResult receiveResult = await this._udpClient.ReceiveAsync().ConfigureAwait(false);
if (cancellationToken.IsCancellationRequested)
{
break;
}
IPEndPoint remoteEndPoint = receiveResult.RemoteEndPoint;
Debug.WriteLine(remoteEndPoint.Address);
var receivedMessage = BitConverter.ToString(receiveResult.Buffer);
var buffer = receiveResult.Buffer;
Debug.WriteLine("GOT MESSAGE");
Debug.WriteLine(receivedMessage);
if (buffer[0] == 13)
{
buffer = buffer.RemoveAt(0);
}
WifiMount wifiMount = WifiMount.ToWifiMount(remoteEndPoint);
if (!this._discoveredMounts.Contains(wifiMount.Address))
{
this._discoveredMounts.Add(wifiMount.Address);
MountInfo mountInfo = new MountInfo()
{
WifiMount = wifiMount
};
Task.Run(async() => { await this.Handshake(mountInfo).ConfigureAwait(false); });
}
#if DEBUG
Array.ForEach(buffer.ToArray(), b => Debug.Write($"{b}, "));
#endif
Debug.WriteLine("");
}
}, cancellationToken);
return(Task.CompletedTask);
}
public async Task <byte[]> SendRecieveCommand(WifiMount mount, byte[] command)
{
int port = this._rand.Next(50101, 50199);
Debug.WriteLine($"UDP on port {port}");
// TODO: Implement connection pooling
UdpClient udpClient;
try
{
udpClient = new UdpClient(new IPEndPoint(IPAddress.Any, port));
}
catch (SocketException)
{
port = this._rand.Next(50101, 50199);
udpClient = new UdpClient(new IPEndPoint(IPAddress.Any, port));
}
await udpClient.SendAsync(command, command.Length, new IPEndPoint(IPAddress.Parse(mount.Address), mount.Port)).ConfigureAwait(false);
UdpReceiveResult receiveResult = await udpClient.ReceiveAsync().ConfigureAwait(false);
udpClient.Close();
IPEndPoint remoteEndPoint = receiveResult.RemoteEndPoint;
Debug.WriteLine(remoteEndPoint.Address);
string receivedMessage = BitConverter.ToString(receiveResult.Buffer);
byte[] buffer = receiveResult.Buffer;
Debug.WriteLine("GOT MESSAGE");
Debug.WriteLine(receivedMessage);
if (buffer[0] == 13)
{
buffer = buffer.RemoveAt(0);
}
return(buffer);
}
public async Task SendCommand(WifiMount mount, byte[] command)
{
await this._udpClient.SendAsync(command, command.Length, new IPEndPoint(IPAddress.Parse(mount.Address), mount.Port)).ConfigureAwait(false);
await Task.Delay(2000).ConfigureAwait(false);
}