/// <summary>
/// Process the UDP result
/// </summary>
/// <param name="receivedData"></param>
/// <returns></returns>
public static int ProcessReceivedData(DnsRequestListenerSession request)
{
// Parse the query
DnsQuery query;
try
{
query = DnsQuery.Parse(request.Buffer, ((IPEndPoint)request.SocketAsyncEventArgs.RemoteEndPoint).Address);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
Console.WriteLine(e.StackTrace);
// If parsing fails, there isn't much we can do
return(0);
}
try
{
var answers = new List <DnsAnswer>();
foreach (var question in query.Questions)
{
// Request answers for this question
request.DnsRequestListener.DnsRecordProvider.HandleQuestion(question, ref answers);
}
// Create the response
return(new DnsResponse(query, answers).GetData(request.Buffer));
}
catch (Exception e)
{
Console.WriteLine(e.Message);
Console.WriteLine(e.StackTrace);
// Proceed to returning a sever failure
}
// if we end up here, return server failure
return(GetErrorResponse(query, DnsQueryStatusCode.ServerFailure).GetData(request.Buffer));
}
/// <summary>
/// Process the UDP result
/// </summary>
/// <param name="receivedData"></param>
/// <returns></returns>
public static int ProcessReceivedData(DnsRequestListenerSession request)
{
// Parse the query
DnsQuery query;
try
{
query = DnsQuery.Parse(request.Buffer, ((IPEndPoint)request.SocketAsyncEventArgs.RemoteEndPoint).Address);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
Console.WriteLine(e.StackTrace);
// If parsing fails, there isn't much we can do
return 0;
}
try
{
var answers = new List<DnsAnswer>();
foreach (var question in query.Questions)
{
// Request answers for this question
request.DnsRequestListener.DnsRecordProvider.HandleQuestion(question, ref answers);
}
// Create the response
return new DnsResponse(query, answers).GetData(request.Buffer);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
Console.WriteLine(e.StackTrace);
// Proceed to returning a sever failure
}
// if we end up here, return server failure
return GetErrorResponse(query, DnsQueryStatusCode.ServerFailure).GetData(request.Buffer);
}
