public void Connect(string host = "0.0.0.0", ushort port = DEFAULT_PORT, string natHost = "", ushort natPort = NatHolePunch.DEFAULT_NAT_SERVER_PORT)
{
if (Disposed)
{
throw new ObjectDisposedException("UDPServer", "This object has been disposed and can not be used to connect, please use a new UDPServer");
}
try
{
Client = new CachedUdpClient(port);
Client.EnableBroadcast = true;
Me = new NetworkingPlayer(ServerPlayerCounter++, host, true, HostResolver.Resolve(host, port), this);
Me.InstanceGuid = InstanceGuid.ToString();
// Do any generic initialization in result of the successful bind
OnBindSuccessful();
// Create the thread that will be listening for new data from connected clients and start its execution
Task.Queue(ReadClients);
// Create the thread that will check for player timeouts
Task.Queue(() =>
{
commonServerLogic.CheckClientTimeout((player) =>
{
Disconnect(player, true);
OnPlayerTimeout(player);
CleanupDisconnections();
});
});
// Let myself know I connected successfully
OnPlayerConnected(Me);
// Set myself as a connected client
Me.Connected = true;
//Set the port
SetPort((ushort)((IPEndPoint)Client.Client.LocalEndPoint).Port);
if (!string.IsNullOrEmpty(natHost))
{
nat.Register((ushort)Me.IPEndPointHandle.Port, natHost, natPort);
nat.clientConnectAttempt += NatClientConnectAttempt;
}
}
catch (Exception e)
{
Logging.BMSLog.LogException(e);
// Do any generic initialization in result of the binding failure
OnBindFailure();
throw new FailedBindingException("Failed to bind to host/port, see inner exception", e);
}
}
private void CreateTheNetworkingPlayer(string host, ushort port)
{
try
{
// Setup the identity of the server as a player
server = new NetworkingPlayer(0, host, true, HostResolver.Resolve(host, port), this);
}
catch (ArgumentException)
{
if (connectAttemptFailed != null)
{
connectAttemptFailed(this);
}
throw;
}
}
/// <summary>
/// A callback from the NatHolePunch object saying that a client is trying to connect
/// </summary>
/// <param name="host">The host address of the client trying to connect</param>
/// <param name="port">The port number to communicate with the client on</param>
private void NatClientConnectAttempt(string host, ushort port)
{
IPEndPoint clientIPEndPoint;
Logging.BMSLog.LogFormat("ATTEMPTING CONNECT ON {0} AND PORT IS {1}", host, port);
try
{
clientIPEndPoint = HostResolver.Resolve(host, port);
}
catch (ArgumentException)
{
Logging.BMSLog.LogExceptionFormat("Unable to resolve client host {0}", host);
// Do nothing as the client's host cannot be resolved.
return;
}
Logging.BMSLog.LogFormat("RESOLVED IS {0} AND {1}", clientIPEndPoint.Address.ToString(), clientIPEndPoint.Port);
// Punch a hole in the nat for this client
Client.Send(new byte[1] {
0
}, 1, clientIPEndPoint);
}