private static void Foo()
        {
            while (condition)
            {
                NetIncomingMessage im;
                while ((im = s_server.ReadMessage()) != null)
                {
                    // handle incoming message
                    switch (im.MessageType)
                    {
                        case NetIncomingMessageType.DebugMessage:
                        case NetIncomingMessageType.ErrorMessage:
                        case NetIncomingMessageType.WarningMessage:
                        case NetIncomingMessageType.VerboseDebugMessage:
                        case NetIncomingMessageType.StatusChanged:
                        case NetIncomingMessageType.Data:
                            // incoming message from a client
                            string chat = "";
                            switch ((PTypes.PacketTypes)im.ReadByte())
                            {
                                case PTypes.PacketTypes.Sync:
                                {
                                    ...
                                    break;
                                }
                                ...
                                ...
                            }