[Xastir] Reload Config in Xastir

[Andrew Northam]

Curt, thanks for the reply. I ended up creating a shell script to rewrite
the config, and load xastir, then kill at after 15 minutes:

sudo xastir &
TASK_PID=$!
sleep 900
kill $TASK_PID

Its for a temp sensor, on a raspberry pi, in an ammo can. I wrote most of
it up:
https://andrewbnortham.com/ke8fzt/xastir-raspberry-pi-1-wire-temp-sensor/

Thanks,
KE8FZT/Andrew

On Tue, May 2, 2017 at 4:00 PM, Curt, WE7U <curt.we7u at gmail.com> wrote:

> On Mon, 1 May 2017, Andrew Northam wrote:
>
> I am looking for some sort of script that will force Xastir to reload its
>> config file? I was thinking of just killing Xastir every x minutes and
>> relaunching it...
>>
>
> I can't think of a type of script which would cause Xastir to reload its
> config file. However you can send it a "SIGHUP" which will cause it to shut
> down and then restart again.
>
>     SIGHUP      Shut down/restart
>     SIGUSR1     Take a snapshot
>     SIGUSR2     Transmit now
>
>
> I have a temperature sensor, and I want to write the shack temperature
>> into the comments of the config file,  then launch, so the beacon
>> transmitted at startup has the temperature (and maybe more) in it.
>>
>
> Perhaps a better method: Set up a script to call "xastir_udp_client" with
> the packet you want to send. "xastir_udp_client" will send a UDP packet to
> Xastir which can then transmit it.
>
>   // Send a UDP packet to a UDP listening port.  This allows scripts
>   // and other programs to inject packets into Xastir via UDP
>   // protocol.
>   // Inputs:
>   //      hostname    (argv[1])
>   //      port        (argv[2])
>   //      callsign    (argv[3])
>   //      passcode    (argv[4])
>   //      optional flags:  -identify
>   //                       -to_rf
>   //                       -to_inet
>   //      APRS Packet (argv[5])
>   // Returns:
>   //      0: Message sent, ack received
>   //      1: Error condition
>
> You'll need to turn on "server ports" in Xastir to have it catch these
> packets.
>
> --
> Curt, WE7U.        http://we7u.wetnet.net
>   "Lotto:  A tax on people who are bad at math." - unknown
> "Windows:  Microsoft's tax on computer illiterates." - WE7U.
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-- 
Regards,
Andrew Northam
andrewbnortham at gmail.com
(269) 762-0532