ruby windows service example

register_ruby_example_service.rb

require "rubygems"
require "win32/service"
require "pp"

include Win32

options = {:service_name=>'ruby_example_service',
  :service_type => Service::WIN32_OWN_PROCESS,
  :description        => 'A custom service I wrote just for fun',
  :start_type         => Service::AUTO_START,
  :error_control      => Service::ERROR_NORMAL,
  :binary_path_name   => 'c:\Ruby\bin\ruby.exe -C c:\temp ruby_example_service.rb',
  :load_order_group   => 'Network',
  :dependencies       => ['W32Time','Schedule'],
  :display_name       => 'ruby_example_service'}

pp options

# Create a new service
Service.create(options)
#Service.delete('ruby_example_service')

ruby_example_service.rb

LOG_FILE = 'C:\\test.log'

require "rubygems"
require 'sinatra'

class MyApp < Sinatra::Base

	get '/' do
    i = 0
    10000.times { i = i*i }
    'Hello world!'
	end
	
end

begin
  require 'win32/daemon'

  include Win32

  class DemoDaemon < Daemon

    def service_main
      MyApp.run! :host => 'localhost', :port => 9090, :server => 'thin'
      while running?
      sleep 10
      File.open("c:\\test.log", "a"){ |f| f.puts "Service is running #{Time.now}" } 
    end
  end 

    def service_stop
      File.open("c:\\test.log", "a"){ |f| f.puts "***Service stopped #{Time.now}" }
      exit! 
    end
  end

  DemoDaemon.mainloop
rescue Exception => err
  File.open(LOG_FILE,'a+'){ |f| f.puts " ***Daemon failure #{Time.now} err=#{err} " }
  raise
end