/// <summary>
/// Logs a collection of raw packets
/// </summary>
/// <param name="packets"></param>
public static void Log(PacketCollection packets)
{
if (packets == null)
{
throw new ArgumentNullException("packets");
}
foreach (var item in packets)
{
Log(item);
}
}
public static void LogData(PacketCollection packets)
{
if (packets == null)
{
throw new ArgumentNullException("packets");
}
string fileName = String.Format(CultureInfo.InvariantCulture,
"DataStreams\\{0}.bin", GetFileNameHeader());
Log(fileName, packets.GetData());
}
public PacketCollection QueryServer(NetworkSettings nwSettings)
{
if (nwSettings == null)
{
throw new ArgumentNullException("nwSettings");
}
PacketCollection packets = new PacketCollection();
using (UdpClient client = new UdpClient(nwSettings.LocalPort))
{
byte[] request, response,
timestamp = Helpers.GetTimeStamp();
IPEndPoint remoteIpEndpoint = new IPEndPoint(IPAddress.Parse(nwSettings.Host), nwSettings.RemotePort);
client.Client.ReceiveTimeout = nwSettings.ReceiveTimeout;
client.Connect(remoteIpEndpoint);
request = GetChallengeRequest(timestamp);
client.Send(request, request.Length);
response = client.Receive(ref remoteIpEndpoint);
ChallengePacket pChallenge = new ChallengePacket(response);
request = GetInfosRequest(timestamp, pChallenge.GetChallenge());
client.Send(request, request.Length);
while (true)
{
try
{
response = client.Receive(ref remoteIpEndpoint);
packets.Add(new InfoPacket(response));
}
catch (SocketException ex)
{
if (ex.ErrorCode == (int)SocketError.TimedOut)
{
break;
}
else
{
throw;
}
}
}
}
return(packets);
}
public void Update()
{
try
{
QueryClient client = new QueryClient();
PacketCollection packets = client.QueryServer(this.Settings);
string dataString = packets.GetDataString();
#if DEBUG
Logger.Log(packets);
Logger.LogData(packets);
Logger.LogData(dataString);
#endif
string[] data = Regex.Split(
dataString,
Encoding.ASCII.GetString(new byte[] { 00, 00, 01 }),
RegexOptions.Compiled);
this.ServerInfo = ServerInfo.Parse(data[0]);
this.Players = PlayerCollection.Parse(data[1]);
ChangeOnlineState(true);
}
catch (SocketException ex)
{
ChangeOnlineState(false);
Trace.WriteLine(
String.Format(CultureInfo.InvariantCulture, "{0}", ex.Message),
"Network Error");
}
catch (Exception ex)
{
Trace.WriteLine(
String.Format(CultureInfo.InvariantCulture, "{0}", ex.Message), "General");
#if DEBUG
Trace.WriteLine(ex.StackTrace, "Error");
#endif
}
}
