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ping with lua and switch
Posted: Friday 01 July 2016 20:57
by tiga
hello, i am running a little ping test.
i have a virtual switch made to see the status of my tablet (testping).
this is the script i use
Code: Select all
commandArray = {}
ping_success=os.execute('ping -c1 192.168.0.113') --tablet
if ping_success then
print("tablet online")
commandArray['testping']='On'
else
print("tablet offline")
commandArray['testping']='Off'
end
return commandArray
i do this in lua becouse the standard "system alive checker" does give valse info.
the script works fine but....i want my virtual switch to change only if the ping result changes
in other words the "last seen" time not updated every 30 or what seconds....
can anyone help me?
hmmm not working fine afterall.when i am offline i get:
Error: EventSystem: Warning!, lua script test ping has been running for more than 10 seconds
HELP
Re: ping with lua and switch
Posted: Friday 01 July 2016 21:39
by jvdz
Have a look here before trying reinventing this :
http://domoticz.com/wiki/Presence_detection 
Jos
Re: ping with lua and switch
Posted: Saturday 02 July 2016 11:08
by Derik
Re: ping with lua and switch
Posted: Sunday 03 July 2016 19:08
by maomanna
I don't understand the two answers.
The topicstarter ask for a ping script in lua, not in bash or python.
By using lua, you can adjust the sript easily in the webgui.
Otherwise you always have to do it by ssh
Re: ping with lua and switch
Posted: Sunday 03 July 2016 19:29
by jvdz
maomanna wrote:I don't understand the two answers.
The topicstarter ask for a ping script in lua, not in bash or python.
By using lua, you can adjust the sript easily in the webgui.
Otherwise you always have to do it by ssh
True, but I would never put this function in the Event queue as it is single threaded and could make the eventsystem respond slow to other events during the processing of this function.
One could obvious still do the check in LUA but I would then schedule it as a crontab job.
Jos
Re: ping with lua and switch
Posted: Monday 04 July 2016 8:39
by dannybloe
I'd use
dzVents for this. You can use the system-alive checker plugin and use a
persistent variable in your script that increases everytime a time-out occurs (the checker triggers a switch which will trigger you script). You can then threshold it and only send a notification if you have a number of consecutive time-outs in a row. Works like a charm.
Something like this:
Code: Select all
return {
active = true,
on = {
'checkerSwitch', -- name of the switch that is triggered by the system-alive checker plugin
},
data = {
timeOuts = { initial = 0 }
},
execute = function(domoticz, checkerSwitch)
if (checkerSwitch.state == 'On') then
domoticz.data.timeOuts = domoticz.data.timeOuts + 1
else
domoticz.data.timeOuts = 0 -- reset
end
if (domoticz.data.timeOuts > 5) then
domoticz.notify('Oh my, the device is not responding anymore', domoticz.PRIORITY_HIGH)
end
end
}
Re: ping with lua and switch
Posted: Monday 04 July 2016 21:14
by dannybloe
I updated dzVents to 1.1.1 and it now contains a generic
script example how to notify when a system-alive checker device is not responding anymore while preventing false negatives.
Re: ping with lua and switch
Posted: Friday 08 July 2016 20:58
by tiga
ok thanks i will try these out
Re: ping with lua and switch
Posted: Tuesday 12 July 2016 13:55
by sploutchi