void TcpClientMethod(int index) { Console.WriteLine("Socket opened. (" + _tcpListener.ToString() + ")"); Packet receivedPacket; Client client = _clients[index]; try { while ((receivedPacket = client.TcpRead()) != null) { Console.Write("TCP Receieved: "); // act on packet type switch (receivedPacket._packetType) { case Packet.PacketType.EMPTY: Console.WriteLine("EMPTY"); /* do nothing */ break; case Packet.PacketType.CHATMESSAGE: Console.WriteLine("CHAT"); TcpRespondToAll((ChatMessagePacket)receivedPacket, client); break; case Packet.PacketType.PRIVATEMESSAGE: Console.WriteLine("PRIVATE"); TcpRespondTo((PrivateMessagePacket)receivedPacket, client); break; case Packet.PacketType.SERVERMESSAGE: Console.WriteLine("SERVER"); ServerMessagePacket servPacket = (ServerMessagePacket)receivedPacket; servPacket._messageRecv = GetReturnMessage(servPacket._messageSent); client.TcpSend(servPacket); break; case Packet.PacketType.CLIENTNAME: Console.WriteLine("NAME"); ClientNamePacket namePacket = (ClientNamePacket)receivedPacket; // create message namePacket._message = client._name + " changed name to " + namePacket._name; // change name client._name = namePacket._name; // update client client.TcpSend(namePacket); // notify all clients TcpRespondToAll(new ChatMessagePacket(namePacket._message), client); break; case Packet.PacketType.LOGIN: Console.WriteLine("LOGIN"); LoginPacket loginPacket = (LoginPacket)receivedPacket; client._endPoint = loginPacket._endPoint; loginPacket._serverKey = client.UpdateRSA(loginPacket); client.TcpSend(loginPacket); break; case Packet.PacketType.SECUREMESSAGE: Console.WriteLine("SECURE"); // receive packet SecurePacket safePacket = (SecurePacket)receivedPacket; // transmit packet TcpSecureRespondToAll( client.GetSecureMessage(safePacket), safePacket._packetSrc ); break; case Packet.PacketType.ERROR: //should be for other things, in another place Console.WriteLine("ERROR"); ErrorMessagePacket errPacket = (ErrorMessagePacket)receivedPacket; client.TcpSend(errPacket); break; case Packet.PacketType.ENDSESSION: Console.Write("ENDING TCP SESSION: " + client._name); // signal to client to close connections // and end while loop client.Close(); break; case Packet.PacketType.JOINGAME: Console.Write("JOIN GAME - "); JoinGamePacket joinGame = (JoinGamePacket)receivedPacket; Client host = null; foreach (Client user in _clients.Values) { if (user._name == joinGame._targetHost) { host = user; } } //ChatMessagePacket resultPacket = null; if (GameSession.Instance.JoinSession(ref client, host)) { Console.WriteLine("JOINED A GAME"); //success - msg client PrivateMessagePacket resultPacket = new PrivateMessagePacket(client._name, "Started Game Session") { _packetSrc = _serverName }; TcpRespondTo(resultPacket, client); //launch client's game client.TcpSend(joinGame); } else { Console.WriteLine("FAILED TO JOIN A GAME"); //failed - msg client }; break; case Packet.PacketType.USERLIST: Console.WriteLine("USERLIST"); UserListPacket userList = (UserListPacket)receivedPacket; if (userList._users == null) { List <string> usernames = new List <string>(); // collect user names foreach (KeyValuePair <int, Client> c in _clients) { usernames.Add(c.Value._name); } userList._users = usernames.ToArray(); TcpSendToAll(userList); } // if list is filled, why is it here?! break; case Packet.PacketType.LEAVEGAME: LeaveGamePacket leaveGame = (LeaveGamePacket)receivedPacket; // check game sessions bool wasHost = GameSession.Instance.IsHosting(client); // update game session List <string> players = GameSession.Instance.LeaveSession(ref client); ServerMessagePacket serverMessage = null; if (!leaveGame._wasForced) { serverMessage = new ServerMessagePacket (client._name + " has left the game.", null); } else { serverMessage = new ServerMessagePacket ("GAME ERROR: " + client._name + " was forced to leave the game.", null); } foreach (Client user in _clients.Values) { if (players.Contains(user._name)) { user.TcpSend(serverMessage); } } if (wasHost) { leaveGame._wasForced = true; foreach (Client user in _clients.Values) { user.TcpSend(leaveGame); } } break; default: break; } } } catch (Exception e) { Console.WriteLine("Error: " + e.Message); if (client != null) { Console.WriteLine("Client: " + client._name); } } client.Close(); _clients.TryRemove(index, out client); }
private void TcpProcessServerPacket() { Packet packet = new Packet(); while (_net.IsTcpConnected) { packet = _net.TcpReadPacket(); Debug("TcpProcessServerPacket: packet = " + packet); if (packet != null) { switch (packet._packetType) { case Packet.PacketType.EMPTY: /* do nothing */ break; case Packet.PacketType.CLIENTNAME: ClientNamePacket namePacket = (ClientNamePacket)packet; _win.name = namePacket._name; _nick = namePacket._name; break; case Packet.PacketType.CHATMESSAGE: ChatMessagePacket chatPacket = (ChatMessagePacket)packet; _win.UpdateChat(chatPacket._message); break; case Packet.PacketType.PRIVATEMESSAGE: PrivateMessagePacket privPacket = (PrivateMessagePacket)packet; _win.UpdateChat(privPacket._packetSrc + ": " + privPacket._message); break; case Packet.PacketType.LOGIN: Console.WriteLine("Logged in to server."); _net.TcpFinishLogin((LoginPacket)packet); break; case Packet.PacketType.SECUREMESSAGE: SecurePacket safePacket = (SecurePacket)packet; _win.UpdateChat( "Secure Message Received [" + safePacket._packetSrc + "]: " + _net.DecryptString(safePacket._data) ); break; case Packet.PacketType.ENDSESSION: Console.WriteLine("Disconnecting from server."); _net.Close(); break; case Packet.PacketType.JOINGAME: _win.StartGame(this); break; case Packet.PacketType.USERLIST: UserListPacket userList = (UserListPacket)packet; _win.UserList = userList._users; break; case Packet.PacketType.LEAVEGAME: LeaveGamePacket leaveGame = (LeaveGamePacket)packet; if (leaveGame._wasForced) { _win.StopGame(); } break; case Packet.PacketType.SERVERMESSAGE: ServerMessagePacket serverMessage = (ServerMessagePacket)packet; _win.UpdateChat(serverMessage._messageSent); break; } } } }