/// <summary>
/// Starts the server with the specified config options
/// </summary>
/// <param name="serverConfig">Server config information</param>
/// <returns>If the server has started.</returns>
public bool StartServer(ServerConfig serverConfig)
{
// If the server is already running, we will stop and start it again
if (Status == ServerStatus.Running)
{
StopServer();
}
// Set the config
Config = serverConfig;
// Let the user know that we are trying to start the server
CSM.Log($"Attempting to start server on port {Config.Port}...");
// Attempt to start the server
_netServer.DiscoveryEnabled = true;
var result = _netServer.Start(Config.Port);
// If the server has not started, tell the user and return false.
if (!result)
{
CSM.Log("The server failed to start.");
StopServer(); // Make sure the server is fully stopped
return(false);
}
try
{
// This async stuff is nasty, but we have to target .net 3.5 (unless cities skylines upgrades to something higher).
var nat = new NatDiscoverer();
var cts = new CancellationTokenSource();
cts.CancelAfter(5000);
nat.DiscoverDeviceAsync(PortMapper.Upnp, cts).ContinueWith(task => task.Result.CreatePortMapAsync(new Mapping(Protocol.Udp, Config.Port,
Config.Port, "Cities Skylines Multiplayer (UDP)"))).Wait();
}
catch (Exception e)
{
CSM.Log("Failed to automatically open port. Manual Port Forwarding is required. " + e.Message);
}
// Update the status
Status = ServerStatus.Running;
// Set up processing thread
_serverProcessingThread = new Thread(ProcessEvents);
_serverProcessingThread.Start();
// Initialize host player
_hostPlayer = new Player(Config.Username);
MultiplayerManager.Instance.PlayerList.Add(_hostPlayer.Username);
// Update the console to let the user know the server is running
CSM.Log("The server has started.");
return(true);
}
private void OnApplicationPause(bool pause)
{
if (Socket == null)
{
return;
}
if (pause)
{
Paused = true;
Socket.CloseSocket(true);
}
else if (Paused)
{
if (!Socket.Start(BindAddrIPv4, BindAddrIPv6, Port, ManualMode))
{
NetDebug.WriteError("[S] Cannot restore connection \"{0}\",\"{1}\" port {2}", BindAddrIPv4, BindAddrIPv6, Port);
Socket.CloseSocket(false);
}
}
}
/// <summary>
/// Attempt to connect to a server
/// </summary>
/// <param name="clientConfig">Client config params</param>
/// <returns>True if the client is connected to the server, false if not</returns>
public bool Connect(ClientConfig clientConfig)
{
// Let the user know that we are trying to connect to a server
_logger.Info($"Attempting to connect to server at {clientConfig.HostAddress}:{clientConfig.Port}...");
// if we are currently trying to connect, cancel
// and try again.
if (Status == ClientStatus.Connecting)
{
_logger.Info("Current status is 'connecting', attempting to disconnect first.");
Disconnect();
}
// The client is already connected so we need to
// disconnect.
if (Status == ClientStatus.Connected)
{
_logger.Info("Current status is 'connected', attempting to disconnect first.");
Disconnect();
}
// Set the configuration
Config = clientConfig;
// Start the client, if client setup fails, return out and
// tell the user
var result = _netClient.Start();
if (!result)
{
_logger.Error("The client failed to start.");
ConnectionMessage = "The client failed to start.";
Disconnect(); // make sure we are fully disconnected
return(false);
}
_logger.Info("Set status to 'connecting'...");
// Try connect to server, update the status to say that
// we are trying to connect.
try
{
_netClient.Connect(Config.HostAddress, Config.Port, "CSM");
}
catch (Exception ex)
{
ConnectionMessage = "Failed to connect.";
_logger.Error(ex, $"Failed to connect to {Config.HostAddress}:{Config.Port}");
ChatLogPanel.PrintGameMessage(ChatLogPanel.MessageType.Error, $"Failed to connect: {ex.Message}");
Disconnect();
return(false);
}
// Start processing networking
Status = ClientStatus.Connecting;
ClientId = 0;
// We need to wait in a loop for 30 seconds (waiting 500ms each time)
// while we wait for a successful connection (Status = Connected) or a
// failed connection (Status = Disconnected).
var waitWatch = new Stopwatch();
waitWatch.Start();
// Try connect for 30 seconds
while (waitWatch.Elapsed < TimeSpan.FromSeconds(30))
{
// If we connect, exit the loop and return true
if (Status == ClientStatus.Connected)
{
_logger.Info("Client has connected.");
return(true);
}
// The client cannot connect for some reason, the ConnectionMessage
// variable will contain why.
if (Status == ClientStatus.Disconnected)
{
_logger.Warn("Client disconnected while in connecting loop.");
Disconnect(); // make sure we are fully disconnected
return(false);
}
// Wait 500ms
Thread.Sleep(500);
}
// We have timed out
ConnectionMessage = "Could not connect to server, timed out.";
_logger.Warn("Connection timeout!");
// Did not connect
Disconnect(); // make sure we are fully disconnected
return(false);
}
/// <summary>
/// Attempt to connect to a server
/// </summary>
/// <param name="clientConfig">Client config params</param>
/// <returns>True if the client is connected to the server, false if not</returns>
public bool Connect(ClientConfig clientConfig)
{
// if we are currently trying to connect, cancel
// and try again.
if (Status == ClientStatus.Connecting)
{
Disconnect();
}
// The client is already connected so we need to
// disconnect.
if (Status == ClientStatus.Connected)
{
Disconnect();
}
// Set the config
_clientConfig = clientConfig;
// Let the user know that we are trying to connect to a server
CSM.Log($"Attempting to connect to server at {_clientConfig.HostAddress}:{_clientConfig.Port}...");
// Start the client, if client setup fails, return out and
// tell the user
var result = _netClient.Start();
if (!result)
{
ConnectionMessage = "The client failed to start.";
Disconnect(); // make sure we are fully disconnected
return(false);
}
// Try connect to server, update the status to say that
// we are trying to connect.
_netClient.Connect(_clientConfig.HostAddress, _clientConfig.Port);
// Start processing networking
Status = ClientStatus.Connecting;
// Setup processing thread
_clientProcessingThread = new Thread(ProcessEvents);
_clientProcessingThread.Start();
// We need to wait in a loop for 30 seconds (waiting 500ms each time)
// while we wait for a successful connection (Status = Connected) or a
// failed connection (Status = Disconnected).
var waitWatch = new Stopwatch();
waitWatch.Start();
while (waitWatch.Elapsed < TimeSpan.FromSeconds(30))
{
// If we connect, exit the loop and return true
if (Status == ClientStatus.Connected)
{
return(true);
}
// The client cannot connect for some reason, the ConnectionMessage
// variable will contain why.
if (Status == ClientStatus.Disconnected)
{
Disconnect(); // make sure we are fully disconnected
return(false);
}
// Wait 500ms
Thread.Sleep(500);
}
// We have timed out
ConnectionMessage = "Could not connect to server, timed out.";
// Did not connect
Disconnect(); // make sure we are fully disconnected
return(false);
}