public static void Disconnect()
{
status = BridgeStatus.Offline;
form.Invoke(new Action(() => form.listBoxPlayers.Items.Clear()));
form.Invoke(new Action(() => form.OnLogout()));
LingerOption lingerOption = new LingerOption(true, 0);
try {
udpToServer.Close();
udpToServer = null;
}
catch { }
try {
tcpToServer.LingerState = lingerOption;
tcpToServer.Client.Close();
tcpToServer.Close();
udpToServer = null;
}
catch { }
try {
tcpToClient.LingerState = lingerOption;
tcpToClient.Client.Close();
tcpToClient.Close();
udpToServer = null;
}
catch { }
dynamicEntities.Clear();
}
public static void Logout()
{
swriter.Write((byte)ServerPacketID.Logout);
if (status == BridgeStatus.Playing)
{
tcpToClient.Close();
}
status = BridgeStatus.Connected;
}
public static void Connect()
{
form.Log("connecting...", Color.DarkGray);
string serverIP = Config.serverIP;
int serverPort = Config.serverPort;
try {
tcpToServer = new TcpClient();
tcpToServer.Connect(serverIP, serverPort);
udpToServer = new UdpClient(tcpToServer.Client.LocalEndPoint as IPEndPoint);
udpToServer.Connect(serverIP, serverPort);
SendUDP(new byte[1] {
(byte)DatagramID.HolePunch
});
}
catch (SocketException) {//connection refused
Disconnect();
form.Log("failed\n", Color.Red);
var result = MessageBox.Show("Unable to connect to Exceed. Please try again later.", "Connection Error", MessageBoxButtons.RetryCancel);
if (result == DialogResult.Retry)
{
Connect();
}
return;
}
Stream stream = tcpToServer.GetStream();
swriter = new BinaryWriter(stream);
sreader = new BinaryReader(stream);
form.Log("connected\n", Color.Green);
new Thread(new ThreadStart(ListenFromServerTCP)).Start();
status = BridgeStatus.Connected;
form.Log("checking version...", Color.DarkGray);
swriter.Write((byte)0);//packetID
swriter.Write(Config.bridgeVersion);
}
private static void ProcessServerPacket(int packetID)
{
switch ((ServerPacketID)packetID)
{
case ServerPacketID.VersionCheck:
#region VersionCheck
if (!sreader.ReadBoolean())
{
form.Log("mismatch\n", Color.Red);
var b = MessageBox.Show("your bridge is outdated. Please download the newest version.\n\nGo to download page now?", "version mismatch", MessageBoxButtons.YesNo);
if (b == DialogResult.Yes)
{
System.Diagnostics.Process.Start("https://github.com/LastExceed/Exceed/releases");
}
return;
}
form.Log("match\n", Color.Green);
form.Invoke(new Action(() => form.buttonLoginRegister.Enabled = true));
new Thread(new ThreadStart(ListenFromServerUDP)).Start();
break;
#endregion
case ServerPacketID.Login:
#region Login
var authResponse = (AuthResponse)sreader.ReadByte();
if (authResponse == AuthResponse.Success)
{
status = BridgeStatus.LoggedIn;
guid = sreader.ReadUInt16();
mapseed = sreader.ReadInt32();
}
form.Invoke(new Action(() => form.register.OnLoginResponse(authResponse)));
break;
#endregion
case ServerPacketID.Register:
#region Register
switch ((RegisterResponse)sreader.ReadByte())
{
case RegisterResponse.Success:
form.Log("account registered\n", Color.DarkGray);
form.Invoke(new Action(() => form.register.SetLayout(false)));
break;
case RegisterResponse.UsernameTaken:
MessageBox.Show("this username is already in use");
form.Invoke(new Action(() => form.register.buttonRegister.Enabled = true));
break;
case RegisterResponse.EmailTaken:
MessageBox.Show("there is already an account associated to this email");
form.Invoke(new Action(() => form.register.buttonRegister.Enabled = true));
break;
}
break;
#endregion
case ServerPacketID.Kick:
#region Kick
status = BridgeStatus.LoggedIn;
tcpToClient.Close();
break;
#endregion
case ServerPacketID.BTFO:
#region BTFO
status = BridgeStatus.Connected;
form.Invoke(new Action(() => form.OnLogout()));
CwRam.memory.process.Kill();
var reason = sreader.ReadString();
MessageBox.Show(reason);
break;
#endregion
default:
MessageBox.Show("unknown server packet received");
break;
}
}
public static void ListenFromClientTCP()
{
try {
tcpListener.Start();
}
catch (SocketException ex) {
var result = MessageBox.Show(ex.Message + "\n\nCan't start listening for the client, probably because the CubeWorld default port (12345) is already in use by another program. Do you have a CubeWorld server or another instance of the bridge already running on your computer?\n\nIf you don't know how to fix this, restarting your computer will likely help", "Error", MessageBoxButtons.RetryCancel);
if (result == DialogResult.Retry)
{
ListenFromClientTCP();
}
return;
}
while (true)
{
tcpToClient = tcpListener.AcceptTcpClient();
form.Log("client connected\n", Color.Green);
tcpToClient.ReceiveTimeout = 500;
tcpToClient.SendTimeout = 500;
tcpToClient.NoDelay = true;
Stream stream = tcpToClient.GetStream();
creader = new BinaryReader(stream);
cwriter = new BinaryWriter(stream);
if (status != BridgeStatus.LoggedIn)
{
SendToClient(new ProtocolVersion()
{
version = 42069,
});
form.Log("client rejected\n", Color.Red);
continue;
}
status = BridgeStatus.Playing;
try {
while (true)
{
ProcessClientPacket(creader.ReadInt32());
}
}
catch (ObjectDisposedException) { }
catch (IOException) { }
tcpToClient.Close();
switch (status)
{
case BridgeStatus.Offline: //server crashed
break;
case BridgeStatus.Connected: //player logged out
break;
case BridgeStatus.LoggedIn: //kicked
goto default;
case BridgeStatus.Playing: //client disconnected himself
status = BridgeStatus.LoggedIn;
SendUDP(new RemoveDynamicEntity()
{
Guid = guid
}.data);
break;
default:
//this shouldnt happen
break;
}
dynamicEntities.Remove(guid);
form.Log("client disconnected\n", Color.Red);
RefreshPlayerlist();
}
}
