private async Task ListenForRemoteConnection()
{
bool listening = true;
Console.WriteLine("STATUS: Listening for a connection");
while (listening)
{
Receiver = await NetworkService.AcceptConnectionAsync(Listener);
if (Receiver != null)
{
Console.WriteLine($"RESULT: Connection request from {((IPEndPoint) Receiver.RemoteEndPoint).Address} accepted");
}
else
{
Console.WriteLine("RESULT: Accept of connection failed");
Receiver = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
}
if (Receiver != null && Receiver.Connected)
{
Console.WriteLine("STATUS: Waiting to receive request data");
NetworkData networkData = await NetworkService.ReceiveDataAsync(Receiver);
if (networkData != null && networkData.DataType == NetworkDataType.Request)
{
Console.WriteLine($"RESULT: Received request data from {networkData.User.UserName}");
RemoteUser = networkData.User;
listening = false;
}
else
{
Console.WriteLine("RESULT: Receive of request data failed");
Receiver.Shutdown(SocketShutdown.Both);
}
if (!Sender.Connected)
{
await ConnectToRemoteUser(RemoteUser.IpAddress, RemoteUser.PortNumber);
State = ConnectionState.Responding;
}
else
{
State = ConnectionState.Waiting;
}
}
else
{
Console.WriteLine("STATUS: Listening for connection canceled");
listening = false;
}
}
}