[Xastir] aprsd unclear

[Brian D Heaton]

Wendell,

On Mon, 2004-04-19 at 10:57, Wendell Turner wrote:
> I'm a little bit unclear on the use of aprsd, and am asking for
> advice.  I've tried to rtfm, but nojoy so far.
> 
> Does it work this way:
> 
> - aprsd starts, listens for NMEA input on
>   udpport (1315).  When it hears data, it logs it and stores it.

No...  aprsd listens for formatted APRS packets on UDP1315.  Based on
the option at the front of the packet if will either gate it to RF,
Inet, or both.  


> - aprsd also listens for tcp connections on mainport (10151)

And a few others too...

> 
> - xastir starts, and using Interfaces/Properties, define an
>   Internet Server on the aprsd mainport (10151).  xastir then
>   opens a tcp connection to aprsd
> 
Yep..
> - as xastir runs, it occasionally polls the tcp connection for
>   data from the aprsd server.
> 
Its doesn't poll aprsd for data.  As the aprsd process receives data
from external sources it spools it out to the connected clients..

> - aprsd sends collected data over the tcp connection to xastir.
> 
> Q: is aprsd an 'Internet Server', or is it something else?
> 
Yes, aprsd is an internet server.

			THX/BDH



> Sorry if I haven't rtfm'ed the correct section, but advice would
> be appreciated.
> 
> Wendell
> 
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Brian D Heaton
Senior Network Engineer
Janus Research Group
(706) 791-8342
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