Re: Dissector code feedback request (Cassandra CQL)

[Pascal Quantin <pascal.quantin () gmail com>]

2015-12-08 22:46 GMT+01:00 Aaron Ten Clay <wireshark-dev () aarontc com>:

> On 03 Dec 2015, you wrote:
>
> > On Thu, Dec 3, 2015 at 9:27 AM, <wireshark-dev () aarontc com> wrote:
> >
> > > Hello everyone,
> > >
> > > I've started cobbling together a dissector plugin for the CQL binary
> > > protocol used by Apache Cassandra. I'm brand new to Wireshark
> development,
> > > so I'm sure some patterns could be improved. I'm hoping to get some
> > > feedback on what I have so far:
> https://gist.githubusercontent.com/aarontc/d285047c78b4b2a3c1d3/raw/4eff8ed1c6ba342434eae770a3921ae656a3d3d7/packet-cql.c
> > > Any suggestions/criticism would be appreciated. If this dissector
> would be
> > > useful to anyone else, I'd like to see about getting it included with
> core
> > > Wireshark once any issues are resolved and the dissector is more
> feature
> > > complete.
> > >
> > > Thanks,
> > > -Aaron
> > Hi Aaron,
> >
> > for feedback/review, the better is push your patch on Gerrit (
> > https://code.wireshark.org/review ), and core can be directly review you
> > code (if you want to don't merge soon you can WIP flag...)
> >
> > Cheers
>
> Hi Alexis,
>
> Thanks for the feedback. I've uploaded the current state of the code to
> Gerrit:
> https://code.wireshark.org/review/#/c/12479/1/plugins/cql/packet-cql.c
>
> It still needs work but I'm definitely interested in early feedback if
> there are
> better patterns I could follow, etc.
>
> Thanks!
> -Aaron

Hi Aaron,

at first look the dissector seems ok (will need a better review, for now I
just had a basic overview). Some comments though:
- please convert it to a builtin dissector: we are not integrating new
plugins
- given that you use a port number not assigned by IANA, you should add a
preference so as to change the value. Is the port being hardcodded a well
known port for this protocol? If not, we might default it to 0 instead.

Regards,
Pascal.

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