public static bool GetServerInfo(string serverIP, ref byte protocolversion, ref string version)
{
try
{
string host; int port;
string[] sip = serverIP.Split(':');
host = sip[0];
if (sip.Length == 1)
{
port = 25565;
}
else
{
try
{
port = Convert.ToInt32(sip[1]);
}
catch (FormatException) { port = 25565; }
}
TcpClient tcp = new TcpClient(host, port);
byte[] ping = new byte[2] { 0xfe, 0x01 };
tcp.Client.Send(ping, SocketFlags.None);
tcp.Client.Receive(ping, 0, 1, SocketFlags.None);
if (ping[0] == 0xff)
{
MinecraftCom ComTmp = new MinecraftCom();
ComTmp.setClient(tcp);
string result = ComTmp.readNextString();
Console.ForegroundColor = ConsoleColor.DarkGray;
//Console.WriteLine(result.Replace((char)0x00, ' '));
if (result.Length > 2 && result[0] == '§' && result[1] == '1')
{
string[] tmp = result.Split((char)0x00);
protocolversion = (byte)Int16.Parse(tmp[1]);
version = tmp[2];
}
else
{
protocolversion = (byte)39;
version = "B1.8.1 - 1.3.2";
}
Console.WriteLine("Server version : MC " + version + " (protocol v" + protocolversion + ").");
Console.ForegroundColor = ConsoleColor.Gray;
return true;
}
else
{
Console.ForegroundColor = ConsoleColor.DarkGray;
Console.WriteLine("Unexpected answer from the server (is that a Minecraft server ?)");
Console.ForegroundColor = ConsoleColor.Gray;
return false;
}
}
catch
{
Console.ForegroundColor = ConsoleColor.DarkGray;
Console.WriteLine("An error occured while attempting to connect to this IP.");
Console.ForegroundColor = ConsoleColor.Gray;
return false;
}
}
public static bool GetServerInfo(string serverIP, ref int protocolversion, ref string version)
{
try
{
string host; int port;
string[] sip = serverIP.Split(':');
host = sip[0];
if (sip.Length == 1)
{
port = 25565;
}
else
{
try
{
port = Convert.ToInt32(sip[1]);
}
catch (FormatException) { port = 25565; }
}
TcpClient tcp = new TcpClient(host, port);
byte[] packet_id = getVarInt(0);
byte[] protocol_version = getVarInt(4);
byte[] server_adress_val = Encoding.UTF8.GetBytes(host);
byte[] server_adress_len = getVarInt(server_adress_val.Length);
byte[] server_port = BitConverter.GetBytes((ushort)port); Array.Reverse(server_port);
byte[] next_state = getVarInt(1);
byte[] packet = concatBytes(packet_id, protocol_version, server_adress_len, server_adress_val, server_port, next_state);
byte[] tosend = concatBytes(getVarInt(packet.Length), packet);
tcp.Client.Send(tosend, SocketFlags.None);
byte[] status_request = getVarInt(0);
byte[] request_packet = concatBytes(getVarInt(status_request.Length), status_request);
tcp.Client.Send(request_packet, SocketFlags.None);
MinecraftCom ComTmp = new MinecraftCom();
ComTmp.setClient(tcp);
if (ComTmp.readNextVarInt() > 0) //Read Response length
{
if (ComTmp.readNextVarInt() == 0x00) //Read Packet ID
{
string result = ComTmp.readNextString(); //Get the Json data
if (result[0] == '{' && result.Contains("protocol\":") && result.Contains("name\":\""))
{
string[] tmp_ver = result.Split(new string[] { "protocol\":" }, StringSplitOptions.None);
string[] tmp_name = result.Split(new string[] { "name\":\"" }, StringSplitOptions.None);
if (tmp_ver.Length >= 2 && tmp_name.Length >= 2)
{
protocolversion = atoi(tmp_ver[1]);
version = tmp_name[1].Split('"')[0];
Console.ForegroundColor = ConsoleColor.DarkGray;
//Console.WriteLine(result); //Debug: show the full Json string
Console.WriteLine("Server version : " + version + " (protocol v" + protocolversion + ").");
Console.ForegroundColor = ConsoleColor.Gray;
return true;
}
}
}
}
Console.ForegroundColor = ConsoleColor.DarkGray;
Console.WriteLine("Unexpected answer from the server (is that a MC 1.7+ server ?)");
Console.ForegroundColor = ConsoleColor.Gray;
return false;
}
catch
{
Console.ForegroundColor = ConsoleColor.DarkGray;
Console.WriteLine("An error occured while attempting to connect to this IP.");
Console.ForegroundColor = ConsoleColor.Gray;
return false;
}
}
