public static void Execute(object obj, ElapsedEventArgs args)
{
Logger.Debug("Job starting");
try
{
foreach (var connection in GlobalConnectionManifest.WorldClients)
{
var client = connection.Value;
var connectionId = connection.Key;
User user;
if (World.ActiveUsers.TryGetValue(connectionId, out user))
{
if (client.IsHeartbeatExpired())
{
Logger.InfoFormat("{0} (connection id {1}: heartbeat expired, disconnecting",
user.Name, connectionId);
GlobalConnectionManifest.DeregisterClient(client);
World.MessageQueue.Add(new HybrasylControlMessage(ControlOpcodes.CleanupUser, connectionId));
}
}
}
}
catch (Exception e)
{
Logger.ErrorFormat("Exception occurred in job:", e);
}
}
public Client(Socket socket, Server server)
{
ClientState = new ClientState(socket);
Server = server;
GameLog.InfoFormat("Connection {0} from {1}:{2}", ConnectionId,
((IPEndPoint)Socket.RemoteEndPoint).Address.ToString(),
((IPEndPoint)Socket.RemoteEndPoint).Port);
if (server is Lobby)
{
EncryptionKey = Game.Config.ApiEndpoints.EncryptionEndpoint != null?GlobalConnectionManifest.RequestEncryptionKey(Game.Config.ApiEndpoints.EncryptionEndpoint.Url, ((IPEndPoint)socket.RemoteEndPoint).Address) : Encoding.ASCII.GetBytes("UrkcnItnI");
GameLog.InfoFormat($"EncryptionKey is {Encoding.ASCII.GetString(EncryptionKey)}");
var valid = Game.Config.ApiEndpoints.ValidationEndpoint != null?GlobalConnectionManifest.ValidateEncryptionKey(Game.Config.ApiEndpoints.ValidationEndpoint.Url, new ServerToken { Ip = ((IPEndPoint)socket.RemoteEndPoint).Address.ToString(), Seed = EncryptionKey }) : true;
if (!valid)
{
GameLog.ErrorFormat("Invalid key from {IP}", ((IPEndPoint)Socket.RemoteEndPoint).Address.ToString());
socket.Disconnect(true);
}
}
EncryptionKeyTable = new byte[1024];
_lastReceived = DateTime.Now.Ticks;
GlobalConnectionManifest.RegisterClient(this);
ConnectedSince = DateTime.Now.Ticks;
}
public void Redirect(Redirect redirect, bool isLogoff = false, int transmitDelay = 0)
{
GameLog.InfoFormat("Processing redirect");
GlobalConnectionManifest.RegisterRedirect(this, redirect);
GameLog.InfoFormat("Redirect: cid {0}", this.ConnectionId);
GameLog.Info($"Redirect EncryptionKey is {Encoding.ASCII.GetString(redirect.EncryptionKey)}");
if (isLogoff)
{
GlobalConnectionManifest.DeregisterClient(this);
}
redirect.Destination.ExpectedConnections.TryAdd(redirect.Id, redirect);
var endPoint = Socket.RemoteEndPoint as IPEndPoint;
byte[] addressBytes;
if (Game.RedirectTarget != null)
{
addressBytes = Game.RedirectTarget.GetAddressBytes();
}
else
{
addressBytes = IPAddress.IsLoopback(endPoint.Address) ? IPAddress.Loopback.GetAddressBytes() : Game.IpAddress.GetAddressBytes();
}
Array.Reverse(addressBytes);
var x03 = new ServerPacket(0x03);
x03.Write(addressBytes);
x03.WriteUInt16((ushort)redirect.Destination.Port);
x03.WriteByte((byte)(redirect.EncryptionKey.Length + Encoding.ASCII.GetBytes(redirect.Name).Length + 7));
x03.WriteByte(redirect.EncryptionSeed);
x03.WriteByte((byte)redirect.EncryptionKey.Length);
x03.Write(redirect.EncryptionKey);
x03.WriteString8(redirect.Name);
x03.WriteUInt32(redirect.Id);
x03.TransmitDelay = transmitDelay == 0 ? 250 : transmitDelay;
Enqueue(x03);
}
public ClientState(Socket incoming)
{
this.WorkSocket = incoming;
this.Id = GlobalConnectionManifest.GetNewConnectionId();
this.Connected = true;
}
public void Disconnect()
{
ClientState.Dispose();
GlobalConnectionManifest.DeregisterClient(this);
}