void HandleRequest(IAsyncResult result)
{
try
{
using (Socket socket = m_listener.EndAcceptSocket(result))
{
TestTCPClient client = new TestTCPClient(socket); // Chunk sends
DnsRequest request = client.ReceiveRequest();
DnsResponse response = null;
try
{
response = m_store.Get(request);
if (response == null)
{
response = new DnsResponse(request);
response.Header.ResponseCode = DnsStandard.ResponseCode.NameError;
}
}
catch
{
response = new DnsResponse(request);
response.Header.ResponseCode = DnsStandard.ResponseCode.NameError;
}
if (response != null)
{
client.Send(response);
}
}
}
catch
{
}
}
public DnsResponse Get(DnsRequest request)
{
long requestNumber = System.Threading.Interlocked.Increment(ref m_requestCount);
if (this.SuccessInterval <= 0 || (requestNumber % this.SuccessInterval) != 0)
{
if (this.ThrowDnsException)
{
throw new DnsServerException(ErrorCode);
}
throw new InvalidOperationException();
}
return(m_innerStore.Get(request));
}
public DnsResponse ProcessRequest(DnsRequest request)
{
if (request == null)
{
throw new ArgumentNullException();
}
this.Received.SafeInvoke(request);
DnsResponse response = null;
try
{
this.Validate(request);
response = m_store.Get(request);
if (response == null || !response.IsSuccess)
{
throw new DnsServerException(DnsStandard.ResponseCode.NameError);
}
this.FixupTTL(response);
}
catch (DnsProtocolException)
{
response = this.ProcessError(request, DnsStandard.ResponseCode.FormatError);
}
catch (DnsServerException serverEx)
{
response = this.ProcessError(request, serverEx.ResponseCode);
}
catch (Exception ex)
{
this.HandleException(ex);
response = this.ProcessError(request, DnsStandard.ResponseCode.ServerFailure);
}
this.Responding.SafeInvoke(response);
return(response);
}