private StatusCode Ask(IPv4 dnsServer,
Dns.Query [] queries,
out Dns.Format answer)
{
answer = null;
Dns.Format outFrame = new Dns.Format();
outFrame.SetFlags(flags);
foreach (object o in queries)
{
outFrame.Queries.Add(o);
}
byte[] outData = new byte [outFrame.Size];
if (outData.Length > Dns.Format.MaxUdpMessageLength)
{
return(StatusCode.OverSizeMessage);
}
int offset = 0;
outFrame.Write(outData, ref offset);
byte[] rcvData;
StatusCode askResponse = AskDnsServer(dnsServer, outData, out rcvData);
if (askResponse != StatusCode.Success)
{
return(askResponse);
}
VTable.Assert(rcvData != null);
try {
offset = 0;
Dump(rcvData, offset);
answer = Dns.Format.Parse(rcvData, ref offset);
}
catch (Exception e) {
DebugPrint("Parser threw {0}", e);
return(StatusCode.TransportError);
}
return(StatusCode.Success);
}
public StatusCode Ask(IPv4 dnsServer,
Dns.Query query,
out Dns.Format answer)
{
return(Ask(dnsServer, new Dns.Query [] { query }, out answer));
}