private void HandleApproval(NetIncomingMessage message)
{
var sender = message.SenderConnection;
var ip = sender.RemoteEndPoint;
var name = message.ReadString();
var origName = name;
var iterations = 1;
if (!UsernameHelpers.IsNameValid(name))
{
sender.Deny("Username is invalid (contains illegal characters/too long).");
}
while (_assignedSessions.Values.Any(u => u.Username == name))
{
// This is shit but I don't care.
name = $"{origName}_{++iterations}";
}
var session = new NetSessionId(name);
if (OnConnecting(ip, session))
{
_assignedSessions.Add(sender, session);
var msg = _netPeer.CreateMessage();
msg.Write(name);
sender.Approve(msg);
}
else
{
sender.Deny("Server is full.");
}
}
public MainWindowLoginViewModel(ConfigurationManager cfg)
{
_cfg = cfg;
this.WhenAnyValue(x => x.EditingUsername)
.Subscribe(s =>
{
IsUsernameValid = UsernameHelpers.IsNameValid(s, out var reason);
InvalidReason = reason ?? " ";
});
}
private async void HandleHandshake(NetConnection connection)
{
var userNamePacket = await AwaitData(connection);
var requestedUsername = userNamePacket.ReadString();
if (!UsernameHelpers.IsNameValid(requestedUsername))
{
connection.Disconnect("Username is invalid (contains illegal characters/too long).");
return;
}
var endPoint = connection.RemoteEndPoint;
var name = requestedUsername;
var origName = name;
var iterations = 1;
while (_assignedSessions.Values.Any(u => u.Username == name))
{
// This is shit but I don't care.
name = $"{origName}_{++iterations}";
}
var session = new NetSessionId(name);
if (OnConnecting(endPoint, session))
{
_assignedSessions.Add(connection, session);
var msg = connection.Peer.CreateMessage();
msg.Write(name);
connection.Peer.SendMessage(msg, connection, NetDeliveryMethod.ReliableOrdered);
}
else
{
connection.Disconnect("Sorry, denied. Why? Couldn't tell you, I didn't implement a deny reason.");
return;
}
var okMsg = await AwaitData(connection);
if (okMsg.ReadString() != "ok")
{
connection.Disconnect("You should say ok.");
return;
}
// Handshake complete!
HandleInitialHandshakeComplete(connection);
}
private void TryConnect(string address)
{
var inputName = _mainMenuControl.UserNameBox.Text.Trim();
var(nameValid, invalidReason) = UsernameHelpers.IsNameValid(inputName);
if (!nameValid)
{
invalidReason = _loc.GetString(invalidReason);
userInterfaceManager.Popup(
_loc.GetString("Invalid username:\n{0}", invalidReason),
_loc.GetString("Invalid Username"));
return;
}
var configName = _configurationManager.GetCVar <string>("player.name");
if (_mainMenuControl.UserNameBox.Text != configName)
{
_configurationManager.SetCVar("player.name", inputName);
_configurationManager.SaveToFile();
}
_setConnectingState(true);
_netManager.ConnectFailed += _onConnectFailed;
try
{
ParseAddress(address, out var ip, out var port);
_client.ConnectToServer(ip, port);
}
catch (ArgumentException e)
{
userInterfaceManager.Popup($"Unable to connect: {e.Message}", "Connection error.");
Logger.Warning(e.ToString());
_netManager.ConnectFailed -= _onConnectFailed;
}
}