public async Task Initialize()
{
if (_myAddress != null)
{
return; // already been initialized.
}
try
{
using (StreamSocket socket = await _connection.ConnectToTCP(_serverAddress, NetworkPorts.LobbyServerPort))
{
_myAddress = socket.Information.LocalAddress.DisplayName;
}
await _connection.StartTCPListener(NetworkPorts.LobbyClientPort, ProcessRequest);
} catch (Exception)
{
// Could not reach lobby.
//TODO: Create custom exceptions to be thrown by lobby and caught and handled by the gameView.
LobbyCommandPacket packet = new LobbyCommandPacket("Client", LobbyCommands.Disconnected);
OnLobbyCommand(packet);
}
return;
}
private async Task <NetworkPacket> ProcessRequest(StreamSocket socket, NetworkPacket packet)
{
AcknowledgePacket acknowledgement = new AcknowledgePacket();
if (packet.Type == PacketType.LobbyCommand)
{
LobbyCommandPacket command = packet as LobbyCommandPacket;
if (command.Command == LobbyCommands.SetupGame)
{
string hostID = command.PlayerID;
GameData game = _gameList[_playerList[hostID].GameID];
await GamePage.gameInstance.StartServer(hostID, _playerList, game);
}
else
{
await CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(CoreDispatcherPriority.Normal,
() => { OnLobbyCommand(command); });
}
}
else if (packet.Type == PacketType.LobbyData)
{
LobbyData lobbyData = packet as LobbyData;
_playerList = lobbyData._playerList;
_gameList = lobbyData._gameList;
OnLobbyUpdated("playerList");
OnLobbyUpdated("gamesList");
}
return(acknowledgement);
}
private async void OnRequestReceived(object sender, PacketReceivedEventArgs e)
{
StreamSocket source = e.Source;
NetworkPacket packet = e.Packet;
if (packet.Type == PacketType.LobbyCommand)
{
LobbyCommandPacket command = packet as LobbyCommandPacket;
string playerID = command.PlayerID;
if (Server)
{
switch ((int)command.Command)
{
case (int)LobbyCommands.EnterLobby:
await ProcessEnterLobbyCommand(playerID, source.Information.RemoteAddress.DisplayName);
break;
case (int)LobbyCommands.LeaveLobby:
ProcessLeaveLobbyCommand(playerID);
break;
case (int)LobbyCommands.HostGame:
string hostIPAddress = command.Data;
ProcessHostGameCommand(playerID, hostIPAddress);
break;
case (int)LobbyCommands.JoinGame:
string hostID = command.Data;
ProcessJoinGameCommand(playerID, hostID);
break;
case (int)LobbyCommands.LeaveGame:
ProcessLeaveGameCommand(playerID);
break;
case (int)LobbyCommands.SetupGame:
await ProcessSetupGameCommand(playerID);
break;
}
await _lobbyCommandConnection.SendPacketTo(source, new AcknowledgePacket());
await UpdateAllClients();
MenuManager.PlayerListChanged();
}
else
{
switch ((int)command.Command)
{
case (int)LobbyCommands.EjectThisUser:
ProcessEjectThisUserCommand();
break;
}
}
}
}
private async Task ProcessEnterLobbyCommand(string playerID, string ipAddress)
{
if (!_playerList.ContainsKey(playerID))
{
PlayerData player = new PlayerData(new Player(playerID), ipAddress);
_playerList.Add(playerID, player);
}
else
{
// TODO: need to handle case where we are logging in a second time, possibly after disconnecting.
LobbyCommandPacket ejectUser = new LobbyCommandPacket(playerID, LobbyCommands.EjectThisUser);
await _lobbyDataConnection.SendPacketToHost(ejectUser);
}
}
private async Task <NetworkPacket> SendLobbyCommand(string playerID, LobbyCommands command, string args = null)
{
try
{
LobbyCommandPacket commandPacket = new LobbyCommandPacket(playerID, command, args);
return(await _connection.ConnectAndWaitResponse(_serverAddress, NetworkPorts.LobbyServerPort, commandPacket));
} catch (Exception)
{
// TODO throw custom exception for gameview to deal with
// for now, fire LobbyCommand.Disconnected.
LobbyCommandPacket packet = new LobbyCommandPacket("Client", LobbyCommands.Disconnected);
OnLobbyCommand(packet);
}
return(new AcknowledgePacket());
}
internal LobbyCommandEventArgs(LobbyCommandPacket packet)
{
Packet = packet;
}
internal async void OnPacketReceived(object network, PacketReceivedEventArgs args)
{
StreamSocket source = args.Source;
NetworkPacket packet = args.Packet;
if (packet.Type == PacketType.LobbyCommand)
{
LobbyCommandPacket command = packet as LobbyCommandPacket;
string playerID = command.PlayerID;
if (Server)
{
switch ((int)command.Command)
{
case (int)LobbyCommands.EnterLobby:
await ProcessEnterLobbyCommand(playerID, source.Information.RemoteAddress.DisplayName);
break;
case (int)LobbyCommands.LeaveLobby:
ProcessLeaveLobbyCommand(playerID);
break;
case (int)LobbyCommands.HostGame:
string hostIPAddress = command.Data;
ProcessHostGameCommand(playerID, hostIPAddress);
break;
case (int)LobbyCommands.JoinGame:
string hostID = command.Data;
ProcessJoinGameCommand(playerID, hostID);
break;
case (int)LobbyCommands.LeaveGame:
ProcessLeaveGameCommand(playerID);
break;
case (int)LobbyCommands.SetupGame:
await ProcessSetupGameCommand(playerID);
break;
}
await UpdateAllClients();
MenuManager.PlayerListChanged();
}
else
{
switch ((int)command.Command)
{
case (int)LobbyCommands.EjectThisUser:
ProcessEjectThisUserCommand();
break;
}
}
}
else if (packet.Type == PacketType.LobbyData && !Server)
{
LobbyData data = packet as LobbyData;
_playerList = data._playerList;
_gameList = data._gameList;
MenuManager.PlayerListChanged();
}
}
public Task InitializeGame(string playerID)
{
LobbyCommandPacket command = new LobbyCommandPacket(playerID, LobbyCommands.SetupGame);
return(_lobbyDataConnection.SendPacketToHost(command));
}
public Task JoinGame(string playerID, string hostID)
{
LobbyCommandPacket command = new LobbyCommandPacket(playerID, LobbyCommands.JoinGame, hostID);
return(_lobbyDataConnection.SendPacketToHost(command));
}
public Task HostGame(string playerID)
{
LobbyCommandPacket command = new LobbyCommandPacket(playerID, LobbyCommands.HostGame, _myAddress);
return(_lobbyDataConnection.SendPacketToHost(command));
}
public Task LeaveLobby(string playerID)
{
LobbyCommandPacket command = new LobbyCommandPacket(playerID, LobbyCommands.LeaveLobby);
return(_lobbyDataConnection.SendPacketToHost(command));
}
public async Task EnterLobby(string playerID)
{
LobbyCommandPacket command = new LobbyCommandPacket(playerID, LobbyCommands.EnterLobby);
await _lobbyCommandConnection.WaitResponse(command);
}
public void OnLobbyCommand(LobbyCommandPacket command)
{
LobbyCommand?.Invoke(this, new LobbyCommandEventArgs(command));
}
