# vim: ft=ruby

class ModMemory < Worker
	def mainloop()
		while true do
			mem = {}
			data = File.read("/proc/meminfo").scan(/Mem(Total|Available):\s+([0-9]+)/).map do |k, v|
				mem[k] = v
			end

			mem["free_part"] = mem["Available"].to_i/(mem["Total"].to_i/100)
			mem["used_part"] = 100 - mem["free_part"]

			if mem["used_part"] > @my_config['crit_value']
				fg_colour = @my_config['crit_colour']
			elsif mem["used_part"] > @my_config['warn_value']
				fg_colour = @my_config['warn_colour']
			else
				fg_colour = @my_config['ok_colour']
			end

			self.write "%%{F%s}%s%%{F-}" % [ fg_colour, mem["used_part"].to_s ]

			sleep(1)
		end
	end
end

Modules.add("memory", "ModMemory")