[Development] API review for a new QDnsResolver class

[Peter Hartmann]

On 11/04/2011 11:05 AM, ext Thiago Macieira wrote:
> On Friday, 4 de November de 2011 10:36:29 Peter Hartmann wrote:
>> I am happy with having one QDnsReply class; I think we can get pretty
>> far with some special accessors for SRV and other records, and one
>> generic accessor for simple (QString) and unsupported cases. Then
>> whoever wants to read a currently unsupported response format needs to
>> parse the response string himself, which IMO is not that bad.
>> We can then in the future extend the class with more special accessors
>> if need be.
>
> There's no way to provide the unsupported formats in QString. It would need to
> be QByteArray and, even then, it's useless if it contains a compressed domain
> name.

True, QByteArray then, but why would it be useless? You would just need 
to parse the response itself if the format is not supported, which would 
be easy for TXT, SOA, A6 etc. For CERT and other DNSSEC types you would 
have to do the parsing yourself (e.g. create a PGP key from the raw 
data), but at least it would be possible.

Btw. I think we need the generic accessor anyway because you never know 
what the format of a TXT response looks like. Q3Dns allowed that only 
for TXT records, but IMO it would be better to always have an accessor 
to the raw response data, or at least if the query type is unknown.

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