[UAT] Dan's Software help

[Basil Gunn]

On Mon, 15 Apr 2013 08:51:14 -0700
Basil Gunn <basil at pacabunga.com> wrote:

>
> > Hi again, Erik
> >
> > I am not absolutely sure, but I believe you're talking about the
> > THIRD PARTY FORMAT of aprs packets:
> > "One special format character } allows any APRS packet to be carried
> > or transmitted by any other station. This is what allows the both
> > the ZIPLAN and IGATE messaging capability! On receipt of a 3rd party
> > packet, the original header is dropped and the packet is recursively
> > parsed again, beginning at the {."
> >
> > Parsing of such packets is not (yet) implemented by libfap,
> > unfortunately. I believe n7nix's branch tries to handle this but
> > relies on a libfap patch that has not been accepted yet (correct me
> > if I'm wrong).
> >
> > --
> > 73 de LA5NTA
>
> Erik, LA5NTA,
>
> The n7nix branch uses a modified fap parser to be able to handle third
> party/encapsulated packets. It's a very simple change that just
> returns a packet type of fapTHIRD_PARTY. dantracker code then parses
> to the start of the encapsulated packet and resubmits the encapsulated
> part to the fap parser just as LA5NTA describes above.
>
> I need to handle third party packets because I'm using dantracker to
> send/receive APRS messages.
>
> I've sent a couple of e-mails to the guy (oh2gve at pakettiradio.net)
> that I think supports fap with no response. Not sure if I have his
> correct e-mail address or if he's too busy to respond.

> I will check in a patch to fap parser in the n7nix branch later on
> today.


I've checked in patch file fap_patch.n7nix and updated README in the
n7nix branch. The README describes how to apply the patch.

This patch contains a small number of other changes that were
discovered as possibly necessary while running dantracker with
valgrind.


/Basil N7NIX