private static DNSRRBase ReadResourceRecord(byte[] data, DataReader reader)
{
DNSRRBase rr = null;
string name = ReadString(data, reader);
DNSType type = (DNSType)reader.ReadUInt16(false);
DNSClass cls = (DNSClass)reader.ReadUInt16(false);
uint ttl = reader.ReadUInt32(false);
ushort rlen = reader.ReadUInt16(false);
byte[] rdata = reader.ReadBytes(rlen);
switch (type)
{
case DNSType.CNAME:
{
CNameDNSRR newRec = new CNameDNSRR(data, rdata);
rr = newRec;
}
break;
case DNSType.A:
{
ADNSRR aRec = new ADNSRR(rdata);
rr = aRec;
}
break;
case DNSType.AAAA:
{
AAAADNSRR aRec = new AAAADNSRR(rdata);
rr = aRec;
}
break;
case DNSType.PTR:
{
PTRDNSRR aRec = new PTRDNSRR(data, rdata);
rr = aRec;
}
break;
default:
{
UnknownDNSRR newRec = new UnknownDNSRR();
newRec.RData = rdata;
rr = newRec;
}
break;
}
rr.Name = name;
rr.Class = cls;
rr.Type = type;
rr.TimeToLive = ttl;
return(rr);
}
private static DNSRRBase[] ReadResourceRecords(byte[] data, DataReader reader, int count)
{
DNSRRBase[] records = new DNSRRBase[count];
for (int i = 0; i < count; ++i)
{
records[i] = ReadResourceRecord(data, reader);
}
return(records);
}
private static DNSRRBase[] ReadResourceRecords(byte[] data, DataReader reader, int count)
{
DNSRRBase[] records = new DNSRRBase[count];
for (int i = 0; i < count; ++i)
{
records[i] = ReadResourceRecord(data, reader);
}
return records;
}