public void Connect(string host, int port = 25565, double timeout = 2.5)
{
try
{
Socket sock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
if (sock == null) return;
sock.Connect(host, port);
sock.ReceiveTimeout = (int)(timeout * 1000);
sock.SendTimeout = (int)(timeout * 1000);
int start = System.Environment.TickCount;
sock.Send(new byte[2] { 0xFE, 0x01 });
byte[] buffer = new byte[512];
int recv = sock.Receive(buffer, 0, 512, SocketFlags.None);
if (recv < 4 || buffer[0] != 0xFF) return;
byte[] nbuf = new byte[recv];
System.Buffer.BlockCopy(buffer, 0, nbuf, 0, recv);
string packet = System.Text.Encoding.UTF8.GetString(nbuf).Substring(3);
string[] bits;
if (packet[1] != 0xA7 && packet[2] != 0x31)
{
// MC 1.4 and later?
bits = packet.Split(new string[1] { "\x00\x00\x00" }, System.StringSplitOptions.None);
info = new ServerInfo();
info.Latency = System.Environment.TickCount - start;
if (!double.TryParse(bits[1].Replace("\x00", ""), out info.Protocol)) return;
info.Version = bits[2].Replace("\x00", "");
info.Name = bits[3].Replace("\x00", "");
if (!int.TryParse(bits[4].Replace("\x00", ""), out info.OnlinePlayers)) return;
if (!int.TryParse(bits[5].Replace("\x00", ""), out info.MaxPlayers)) return;
success = true;
return;
}
else
{
// Earlier versions
bits = packet.Split(new char[1] { '\xA7' });
info = new ServerInfo();
info.Latency = System.Environment.TickCount - start;
info.Version = "1.3";
info.Name = bits[0].Replace("\x00", "");
if (bits.Length > 1)
if (!int.TryParse(bits[4].Replace("\x00", ""), out info.OnlinePlayers)) return;
if (bits.Length > 2)
if (!int.TryParse(bits[5].Replace("\x00", ""), out info.MaxPlayers)) return;
success = true;
return;
}
}
catch
{
success = false;
}
}
internal void GetInfo()
{
Packet data = this.GrabData(Packets.QueryData(this.SID, this.challenge));
if (data == null)
{
this.GetChallenge();
return;
}
if (data.Read<byte>() == (byte)0x00 && data.Read<int>() == this.SID)
{
info = new ServerInfo();
info.Latency = Environment.TickCount - ping;
data.Skip(11); // Unknown padding.
string key, value;
while (true)
{
key = data.Read<string>();
value = data.Read<string>();
if (key.Length == 0) break;
if (key == "hostname")
info.Name = value;
else if (key == "gametype")
info.GameType = value;
else if (key == "game_id")
info.GameID = value;
else if (key == "version")
info.Version = value;
else if (key == "plugins")
info.Plugins = value;
else if (key == "map")
info.Map = value;
else if (key == "numplayers")
{
if (!int.TryParse(value, out info.OnlinePlayers)) return;
}
else if (key == "maxplayers")
{
if (!int.TryParse(value, out info.MaxPlayers)) return;
}
else if (key == "hostport")
info.HostPort = value;
else if (key == "hostip")
info.HostIP = value;
}
data.Skip(1);
info.Players = new List<string>();
while (true)
{
key = data.Read<string>();
if (key.Length == 0) break;
info.Players.Add(key);
}
success = true;
}
else GetChallenge();
}
internal void GetInfo()
{
Packet data = this.GrabData(Packets.QueryData(this._sid, this._challenge));
if (data == null)
{
this.GetChallenge();
return;
}
if (data.Read <byte>() == (byte)0x00 && data.Read <int>() == this._sid)
{
_info = new ServerInfo();
_info.Latency = Environment.TickCount - _ping;
data.Skip(11); // Unknown padding.
string key, value;
while (true)
{
key = data.Read <string>();
value = data.Read <string>();
if (key.Length == 0)
{
break;
}
if (key == "hostname")
{
_info.Name = value;
}
else if (key == "gametype")
{
_info.GameType = value;
}
else if (key == "game_id")
{
_info.GameID = value;
}
else if (key == "version")
{
_info.Version = value;
}
else if (key == "plugins")
{
_info.Plugins = value;
}
else if (key == "map")
{
_info.Map = value;
}
else if (key == "numplayers")
{
if (!int.TryParse(value, out _info.OnlinePlayers))
{
return;
}
}
else if (key == "maxplayers")
{
if (!int.TryParse(value, out _info.MaxPlayers))
{
return;
}
}
else if (key == "hostport")
{
_info.HostPort = value;
}
else if (key == "hostip")
{
_info.HostIP = value;
}
}
data.Skip(1);
_info.Players = new List <string>();
while (true)
{
key = data.Read <string>();
if (key.Length == 0)
{
break;
}
_info.Players.Add(key);
}
_success = true;
}
else
{
GetChallenge();
}
}
