@@ -2,6 +2,7 @@ require_relative "rubysermon/version"

 require_relative "rubysermon/mod_loader"

 require_relative "rubysermon/mod_template"

 require_relative "rubysermon/configurator"

+require_relative "rubysermon/db"

 require "date"

@@ -11,13 +12,15 @@ module Rubysermon

 	MOD_PATH = "#{LIB_PATH}/rubysermon/mod"

 	class App

-		attr_accessor :config_path

+		attr_accessor :config_path, :db_path

 		def initialize

 			@config 		= {repeat: 60}

 			@running_mods	= []

 			@config_path	= "#{LIB_PATH}/rubysermon/config.json"

 			@enabled_mods	= []

+			@db				= nil

+			@db_path		= "/tmp/rubysermon_history.db"

 		end

 		def run

@@ -28,6 +31,7 @@ module Rubysermon

 				abort(msg)

 			end

+			start_db()

 			start_fetch_process_sleep_cycle()

 		end

@@ -63,6 +67,10 @@ module Rubysermon

 			false

 		end

+		def start_db

+			@db = DB.new(@db_path)

+		end

+

 		def start_fetch_process_sleep_cycle

 			while true

 				current_time = DateTime.now()

new file mode 100644

@@ -0,0 +1,26 @@

+require "sqlite3"

+

+module Rubysermon

+	class DB

+

+		def initialize(db_path)

+			@db = SQLite3::Database.new(db_path)

+			@db.execute(self.initialize_db)

+		end

+

+		private

+

+		def self.initialize_db

+			<<-SQL

+				DROP TABLE IF EXISTS `history`;

+				CREATE TABLE `history` (

+					`date` INTEGER NOT NULL,

+					`mod_hash` VARCHAR(20) NOT NULL,

+					`value` REAL NOT NULL

+				);

+				CREATE INDEX date_index ON `history` (`date`);

+			SQL

+		end

+

+	end

+end