/// <summary>
///
/// </summary>
/// <param name="ip"></param>
public async Task ConnectRemoteServer(string ip)
{
bool connected = false;
try
{
CommClient = new TcpClient();
await CommClient.ConnectAsync(IPAddress.Parse(ip), 10080);
connected = true;
}
catch
{
throw;
}
finally
{
if (!connected)
{
CommClient.Close();
CommClient = null;
}
else
{
SetUpReceivingTask();
CommunicationEstablished?.Invoke(false);
}
}
}
/// <summary>
///
/// </summary>
public async Task StartServer(CancellationToken token)
{
bool accepted = false;
bool listenerReturn = false;
try
{
var commEndPoint = new IPEndPoint(IPAddress.Any, 10080);
Listener = new TcpListener(commEndPoint);
BroadcastSender = new UdpClient();
Listener.Start();
var taskAccept = Task.Run(() =>
{
try
{
CommClient = Listener.AcceptTcpClient();
accepted = true;
}
finally
{
listenerReturn = true;
}
});
var taskBroadcast = Task.Run(async() =>
{
while (true)
{
if (listenerReturn)
{
break;
}
try
{
var remoteEndPoint = new IPEndPoint(IPAddress.Broadcast, 10080);
BroadcastSender.Send(new byte[] { 0xcc, 0xdd }, 2, remoteEndPoint);
}
catch { }
await Task.Delay(2000);
}
});
var cancellationCheck = Task.Run(async() =>
{
try
{
while (true)
{
await Task.Delay(500);
if (token.IsCancellationRequested)
{
if (!accepted)
{
Listener.Stop();
}
break;
}
if (listenerReturn)
{
break;
}
}
}
catch { }
});
await taskAccept;
}
catch
{
throw;
}
finally
{
Listener.Stop();
BroadcastSender.Close();
if ((!accepted) && (CommClient != null))
{
CommClient.Close();
CommClient = null;
}
if (accepted)
{
SetUpReceivingTask();
CommunicationEstablished?.Invoke(true);
}
}
}