static string[] SendQuery(QueryType Type, Server QueryServer, string Parameters = "")
{
using (var ServerOOBConnection = new UdpClient())
{
// prevent flooding
if ((DateTime.Now - LastQuery).TotalMilliseconds < 100)
{
Task.Delay(100).Wait();
}
LastQuery = DateTime.Now;
ServerOOBConnection.Client.SendTimeout = 1000;
ServerOOBConnection.Client.ReceiveTimeout = 1000;
var Endpoint = new IPEndPoint(IPAddress.Parse(QueryServer.GetIP()), QueryServer.GetPort());
string QueryString = String.Empty;
switch (Type)
{
case QueryType.DVAR:
case QueryType.COMMAND:
QueryString = $"ÿÿÿÿrcon {QueryServer.Password} {Parameters}";
break;
case QueryType.GET_STATUS:
QueryString = "ÿÿÿÿ getstatus";
break;
}
byte[] Payload = GetRequestBytes(QueryString);
int attempts = 0;
retry:
try
{
ServerOOBConnection.Connect(Endpoint);
ServerOOBConnection.Send(Payload, Payload.Length);
byte[] ReceiveBuffer = new byte[8192];
StringBuilder QueryResponseString = new StringBuilder();
do
{
ReceiveBuffer = ServerOOBConnection.Receive(ref Endpoint);
QueryResponseString.Append(Encoding.ASCII.GetString(ReceiveBuffer).TrimEnd('\0'));
} while (ServerOOBConnection.Available > 0 && ServerOOBConnection.Client.Connected);
if (QueryResponseString.ToString().Contains("Invalid password"))
{
throw new Exceptions.NetworkException("RCON password is invalid");
}
if (QueryResponseString.ToString().Contains("rcon_password"))
{
throw new Exceptions.NetworkException("RCON password has not been set");
}
int num = int.Parse("0a", System.Globalization.NumberStyles.AllowHexSpecifier);
string[] SplitResponse = QueryResponseString.ToString().Split(new char[] { (char)num }, StringSplitOptions.RemoveEmptyEntries);
return(SplitResponse);
}
catch (Exceptions.NetworkException e)
{
throw e;
}
catch (Exception e)
{
attempts++;
if (attempts > 2)
{
var ne = new Exceptions.NetworkException("Could not communicate with the server");
ne.Data["internal_exception"] = e.Message;
ne.Data["server_address"] = ServerOOBConnection.Client.RemoteEndPoint.ToString();
throw ne;
}
Thread.Sleep(1000);
goto retry;
}
}
}
void App_DispatcherUnhandledException(object sender, System.Windows.Threading.DispatcherUnhandledExceptionEventArgs e)
{
// if has no shell yet throws it anyway
if (shellViewModel == null)
return;
// tries to get it as a Scrum factory exceptions
ScrumFactory.Exceptions.ScrumFactoryException sfEx = null;
if (e.Exception is ScrumFactory.Exceptions.ScrumFactoryException)
sfEx = e.Exception as ScrumFactory.Exceptions.ScrumFactoryException;
if (e.Exception.InnerException is ScrumFactory.Exceptions.ScrumFactoryException)
sfEx = e.Exception.InnerException as ScrumFactory.Exceptions.ScrumFactoryException;
if (e.Exception is System.Net.Http.HttpRequestException)
sfEx = new Exceptions.NetworkException();
// if is not a factoy exception, throws it to the OS
if (sfEx==null) {
if(log!=null)
log.LogError(e.Exception);
return;
}
// if is a ScrumFactoryExcpetion let the shell handle it
shellViewModel.HandleScrumFactoryException(sfEx);
e.Handled = true;
}