Class: Gnome::Wallpaper::Changer::Runner

Inherits:
Object
  • Object
show all
Defined in:
lib/gnome-wallpaper-changer/runner.rb

Instance Method Summary collapse

Constructor Details

#initialize(argv) ⇒ Runner

Returns a new instance of Runner.



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# File 'lib/gnome-wallpaper-changer/runner.rb', line 7

def initialize argv
  @argv = argv
end

Instance Method Details

#parse_options ⇒ Object 



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# File 'lib/gnome-wallpaper-changer/runner.rb', line 69

def parse_options
  @options = { }
  OptionParser.new do |opt|
    opt.banner = "Usage: gnome-wallpaper-changer [options]"

    opt.on "-f", "--foreground", "Do not detach from the console" do
      @options[:foreground] = true
    end

    opt.on "-r", "--reset", "Reset the configuration" do
      @options[:reset] = true
    end

    opt.on "-p", "--port N", Integer, "Change and remember the HTTP port", "(default: 12345)" do |port|
      @options[:port] = port
    end

    opt.on "-k", "--kill", "Kill a running instance of the changer and exit" do
      @options[:kill] = true
    end

    opt.on "--autostart", "Internal use" do
      @options[:autostart] = true
    end

    opt.on_tail "-h", "--help", "Prints this message" do
      puts opt
      exit
    end

    opt.on_tail "-v", "--version", "Prints the program version" do
      puts "gnome-wallpaper-changer #{VERSION}"
      exit
    end

  end.parse! @argv
end

#run! ⇒ Object 



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# File 'lib/gnome-wallpaper-changer/runner.rb', line 11

def run!

  parse_options

  if @options[:reset]
    Configuration.reset!
  end

  if @options[:kill] || @options[:autostart]
    begin
      Thin::Server.kill PID_FILE, 0 if File.exists?( PID_FILE )
    rescue Errno::ESRCH, Errno::EPERM => e
      #noop
    end
    FileUtils.rm PID_FILE if File.exists?( PID_FILE )
    exit if @options[:kill]
  end

  Configuration.load

  if @options[:port]
    Configuration.port = @options[:port]
  end

  if $stdin.isatty
    puts "Go to http://localhost:#{Configuration.port} to change the settings."
  end

  EM.next_tick do
    if Configuration.active?
      Updater.update
    end
  end

  server = Thin::Server.new '127.0.0.1', Configuration.port do
    use Rack::CommonLogger
    use Reloader
    run Controller
  end
  
  if @options[:foreground]
    #noop
  elsif @options[:autostart]
    File.open PID_FILE, "w" do |io|
      io.puts Process.pid
    end
    FileUtils.rm LOG_FILE if File.exists?( LOG_FILE )
    Daemonize.redirect_io LOG_FILE
  else
    FileUtils.rm LOG_FILE if File.exists?( LOG_FILE )
    server.pid_file = PID_FILE
    server.log_file = LOG_FILE
    server.daemonize
  end
  server.start

end