[Xastir] Group Messages

[William McKeehan]

I have used the capability occasionally.

The file is looking for a group name with a possible wildcard (*) on each line.

For example, my file looks like this:
ETNAPRS
SKYMRX
SKYWRN
SPCL
SKY*
BLN*
NWS*
MRX*
CQ
ALL
QST

As such, a message sent to ETNAPRS will pop-up on my display.

I host a Sunday night APRS Net locally and we tried to use this at one point,
but found that the way UI-View handles the messages is odd - I do not recall
the details - as a result, we dropped the use of it (too many UI-View users in
the area).
-- 
William McKeehan
KI4HDU
http://mckeehan.homeip.net

On Tue, February 12, 2008 3:34 pm, Curt, WE7U wrote:
> On Tue, 12 Feb 2008, Frank Tomesch wrote:
>
>> Can anyone tell me whether 'Group Messaging' works? and/or the format of
>> the '.xastir/config/groups' file.
>
> Don't know.  This is a little-used feature in Xastir.
>
> Found "groups" in xa_config.c.  It using "GROUP_DATA_FILE" as the
> label in the config file, and "group_data_file" as the local
> variable inside Xastir that it keeps the filename/path in.
>
> messages.c uses "group_data_file" and then calls group_build_list()
>
> messages.c:group_build_list() reads from the file and puts the data
> into "group_data_list".
>
> I see we manually stuff a few things in first before reading from
> the file:
>
>   // Make sure we always listen for ourself, XASTIR, & our Version
>   // groups
>     xastir_snprintf(&group_data_list[0],10,"%s",my_callsign);
>     xastir_snprintf(&group_data_list[10],10,"XASTIR");
>     xastir_snprintf(&group_data_list[20],10,"%s",XASTIR_TOCALL);
>     group_data_count = 3;
>
> So it looks like each field has 10 characters and they're in one big
> string.
>
> A quick glance at the while loop which reads it in makes me think
> that each group name is on a separate line with a linefeed (or
> alternately linefeed & carriage return) at the end of each line.
> Actually it looks like they expect up to 9 characters and then a
> linefeed, which is enough for a six-character callsign, a dash, and
> a 2-character SSID.
>
> --
> Curt, WE7U: <www.eskimo.com/~archer/>     XASTIR: <www.xastir.org>
>   "Lotto:  A tax on people who are bad at math." -- unknown
> "Windows:  Microsoft's tax on computer illiterates." -- WE7U
> The world DOES revolve around me:  I picked the coordinate system!
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