public SocketMessageLayer(SimpleSocket context, bool isServer)
{
this.context = context;
this.isServer = isServer;
}
/// <summary>
/// Initiates a connection to the router.
/// </summary>
/// <returns></returns>
private static Task <SimpleSocket> InitiateConnectionToRouter()
{
// Let's make sure this run in a different thread (in case some operation are blocking)
return(Task.Factory.StartNew(() =>
{
var socketContextTCS = new TaskCompletionSource <SimpleSocket>();
var socketContext = new SimpleSocket();
socketContext.Connected = context =>
{
socketContextTCS.TrySetResult(context);
};
try
{
#if XENKO_PLATFORM_UWP
var serverAddress = "127.0.0.1";
#else
var serverAddress = Environment.GetEnvironmentVariable("XenkoConnectionRouterRemoteIP") ?? "127.0.0.1";
#endif
// If connecting as a client, try once, otherwise try to listen multiple time (in case port is shared)
switch (ConnectionMode)
{
case RouterConnectionMode.Connect:
socketContext.StartClient(serverAddress, DefaultPort).Wait();
break;
case RouterConnectionMode.Listen:
socketContext.StartServer(DefaultListenPort, true, 10).Wait();
break;
case RouterConnectionMode.ConnectThenListen:
bool clientException = false;
try
{
socketContext.StartClient(serverAddress, DefaultPort).Wait();
}
catch (Exception) // Ideally we should filter SocketException, but not available on some platforms (maybe it should be wrapped in a type available on all paltforms?)
{
clientException = true;
}
if (clientException)
{
socketContext.StartServer(DefaultListenPort, true, 10).Wait();
}
break;
default:
throw new ArgumentOutOfRangeException();
}
// Connection should happen within 10 seconds, otherwise consider there is no connection router trying to connect back to us
if (!socketContextTCS.Task.Wait(TimeSpan.FromSeconds(10)))
{
throw new SimpleSocketException("Connection router did not connect back to our listen socket");
}
return socketContextTCS.Task.Result;
}
catch (Exception e)
{
Log.Error($"Could not connect to connection router using mode {ConnectionMode}", e);
throw;
}
},
CancellationToken.None,
TaskCreationOptions.LongRunning,
TaskScheduler.Default));
}
