private void updateServerInfos(Server server, IProgress<int> progress) {
PingResult pingResult = Pinger.pingServer(server);
server.ping = pingResult.ping;
server.players = String.Format("{0}/{1}", new object[] { pingResult.players, pingResult.maxPlayers });
server.map = pingResult.map.Length > 0 ? pingResult.map + " (" + pingResult.gametype + ")" : "";
progress.Report(0);
}
public static PingResult pingServer(Server server)
{
PingResult pingResult = new PingResult();
UdpClient sck = new UdpClient();
sck.Client.ReceiveTimeout = 500;
try {
sck.Connect(server.address, server.port);
} catch(SocketException e) {
Console.WriteLine(e.StackTrace);
return pingResult;
}
Byte[] sendBytes = new byte[] { 0xFF, 0xFF, 0xFF, 0xFF, 0x67, 0x65, 0x74, 0x73, 0x74, 0x61, 0x74, 0x75, 0x73, 0x0A };
DateTime timeStart = DateTime.Now;
try {
sck.Send(sendBytes, sendBytes.Length);
} catch(Exception e) {
Console.WriteLine(e.StackTrace);
return pingResult;
}
IPEndPoint RemoteIpEndPoint = new IPEndPoint(IPAddress.Any, 0);
byte[] recvData;
try {
recvData = sck.Receive(ref RemoteIpEndPoint);
} catch(Exception e) {
Console.WriteLine(e.StackTrace);
return pingResult;
}
DateTime timeStop = DateTime.Now;
string returnData = Encoding.ASCII.GetString(recvData);
sck.Close();
Console.WriteLine(returnData);
TimeSpan timeSpan = timeStop - timeStart;
pingResult.ping = (int) timeSpan.TotalMilliseconds;
String[] rows = returnData.Split('\n');
pingResult.players = rows.Length - 3;
String[] serverConfig = rows[1].Split('\\');
for(int i = 1; (i + 1) < serverConfig.Length; i += 2) {
String param = serverConfig[i];
String value = serverConfig[i + 1];
switch(param) {
case "sv_maxclients":
Console.WriteLine("{0} {1}", param, value);
pingResult.maxPlayers = Int32.Parse(value);
break;
case "g_gametype":
pingResult.gametype = value;
break;
case "mapname":
pingResult.map = value;
break;
}
}
return pingResult;
}