Writing a daemon

Brian Fahrlander brian at fahrlander.net
Mon Sep 10 08:17:32 UTC 2007


Jack Bowling wrote:
> On Sat, Sep 08, 2007 at 10:18:43AM -0500, Brian Fahrlander wrote:
>>     I'm trying to write a daemon, probably in perl, to listen on a port
>> and the write to a 1-wire network.  Surprisingly, the 1-wire thing is
>> the easy part- it's just files.
>>
>>     But I want to make the 1-wire display listen to TCP; telnet to it,
>> it shows up on the screen.
>>
>>     Does anyone have any history on how I might start something like this?
>>
> 
> The one I use is ttywatch, originally written by then-Red Hat employee
> Michael Johnson. Runs as a daemon to which you give it various parameters
> such as serial port to monitor, speed, log file name, etc. Googling for ttywatch should bring you right to the tarball. Latest is ttywatch-0.14. 
> 
> I use it at work in combination with a perl script to get pressure readings
> off various barometers. Works great. Not sure from your email if you want
> to both read and write to a port but with ttywatch and perl you can glue
> anything together.

    Interesting; though I've already found a code snippet in Perl and
made both client and server, I appreciate finding tools like this, from
time to time, thanks.

-- 
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 Brian Fahrländer                 Christian, Conservative, and Technomad
 Evansville, IN                              http://Fahrlander.net/brian
 ICQ: 5119262                         AOL/Yahoo/GoogleTalk: WheelDweller
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