How to get runtime os system using ruby?

Question

I have a ruby ​​script. I want to know how long the system has been idle (i.e. Does not interact with the user - based on the activation of the splash screen).

I believe that I can do this in ruby ​​through win32api using user32.dll and GetLastInputInfo, but I cannot figure out how ... can anyone help me?

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Answer 1

Here is an example that calls GetLastInputInfo. However, I have not studied this API to make sure that it really gives you the information you want.

require "Win32API"

api = Win32API.new( 'user32', 'GetLastInputInfo', ['P'], 'I')
# match the structure LASTINPUTINFO. First 4 byte int is size of struct
s = [8, 0].pack('l*')
api.call( s )
a = s.unpack('l*')
puts a

Answer 2

It looks like you want to do for Linux:

http://coderrr.wordpress.com/2008/04/20/getting-idle-time-in-unix/

, , , #... Windows, , , GetLastInputInfo :

http://dataerror.blogspot.com/2005/02/detect-windows-idle-time.html

Answer 3

Based on a response from Mark Wilkins, I created several scripts to record user downtime.

https://gist.github.com/Largo/11216868