private void Background()
{
var stopTask = task.Task;
while (running)
{
var clientTask = listener.AcceptTcpClientAsync();
if (Task.WaitAny(stopTask, clientTask) == 0)
{
task = null;
return;
}
var client = clientTask.Result;
Task.Run(() =>
{
try
{
var stream = client.GetStream();
var sel = new PacketSelector(stream);
sel.Catch();
if (sel.ID != 0)
{
return;
}
var endPoint = (IPEndPoint)client.Client.RemoteEndPoint;
var handshake = new HandshakePacket(sel);
ServerShadow server;
if (servers.ContainsKey(handshake.Address))
{
server = servers[handshake.Address];
}
else
{
server = standard;
}
server.NewConnetcion(handshake, endPoint, stopTask);
stream.Close();
}
catch (Exception exception)
{
Log.WriteWarn(exception.Message);
}
finally
{
client.Close();
}
});
}
}
public RequestPacket(PacketSelector stream) : base(stream)
{
}
public void NewConnetcion(HandshakePacket handshake, IPEndPoint endPoint, Task stopTask)
{
var stream = handshake.Stream;
Task connection = null;
TcpClient client = null;
if (destination != null)
{
client = new TcpClient();
try
{
connection = client.ConnectAsync(destination.Address, destination.Port);
}
catch (Exception)
{
connection = null;
}
}
var parser = new ParameterParser(new KeyValuePair <string, IParameterGroup>[]
{
new KeyValuePair <string, IParameterGroup>("hs", handshake),
new KeyValuePair <string, IParameterGroup>("main", MainGroup.Instance),
new KeyValuePair <string, IParameterGroup>("file", FileGroup.Instance),
new KeyValuePair <string, IParameterGroup>("env", EnvGroup.Instance),
new KeyValuePair <string, IParameterGroup>("sets", setsGroup)
});
if (connection != null)
{
try
{
connection.Wait();
var realStream = client.GetStream();
handshake.Port = (ushort)destination.Port;
handshake.Send(realStream);
if (handshake.State == 2)
{
var loginPacket = new LoginStartPacket(stream);
loginPacket.Send(realStream);
log.WriteInfo($"Player '{loginPacket.PlayerName}' successfully login from {endPoint} to {record.Mask}.");
}
Task task1 = realStream.CopyToAsync(stream);
Task task2 = stream.CopyToAsync(realStream);
switch (Task.WaitAny(task1, task2, stopTask))
{
case 0:
Task.WaitAny(task2, stopTask);
break;
case 1:
Task.WaitAny(task1, stopTask);
break;
case 2:
default:
break;
}
realStream.Close();
client.Close();
return;
}
catch (Exception) { }
}
var selector = new PacketSelector(stream);
switch (handshake.State)
{
case 1:
selector.Catch();
new RequestPacket(selector);
var response = new ResponsePacket(parser, record.StatusPath);
response.Send(stream);
selector.Catch();
if (selector.ID == 1 && selector.Size == 9)
{
new PingPongPacket(selector).Send(stream);
}
break;
case 2:
var loginPacket = new LoginStartPacket(stream);
new DisconnectPacket(parser, record.LoginPath).Send(stream);
log.WriteInfo($"Player '{loginPacket.PlayerName}' tried to login from {endPoint} to {record.Mask}.");
break;
default:
break;
}
}