@@ -15,13 +15,16 @@ module Rubysermon

 		def initialize

 			@config 		= { repeat: 60,

 								config_path: "#{LIB_PATH}/rubysermon/config.json",

-								db_path: "/tmp/rubysermon_history.db"

+								db_path: "/tmp/rubysermon_history.db",

+								history_size: 90

 			}

 			@running_mods	= []

 			@enabled_mods	= []

 			@db				= nil

+			@results		= []

+

 			check_args()

 		end

@@ -63,6 +66,7 @@ module Rubysermon

 		def load_mod(mod_name)

 			begin

+				#prekonvertovat na symbol

 				mod = ModLoader.load(mod_name)

 				@running_mods.push(mod)

 			rescue ModLoaderException => e

@@ -88,11 +92,32 @@ module Rubysermon

 			while true

 				current_time = DateTime.now()

 				@running_mods.each do |mod|

-					result = mod.results

-					notify = mod.notify?

+					save_results(mod, current_time, mod.results())

+					notify() if mod.notify?

 				end

+				make_output()

 				sleep @config[:repeat]

 			end

 		end

+

+		def save_results(mod, time, result)

+			mod_results = @results[mod]

+

+			if mod_results.size >= @config[:history_size]

+				mod_results.slice!(@config[:history_size], @results[mod].size)

+			end

+

+			#shift() and push() operations have O(1) complexity.

+			mod_results.shift()

+			mod_results.push([time: time, value: result])

+		end

+

+		def notify

+

+		end

+

+		def make_output

+

+		end

 	end

 end