Class: Geary::CLI

Inherits:
Object
  • Object
show all
Defined in:
lib/geary/cli.rb

Constant Summary collapse

Shutdown = 
Class.new(StandardError)

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(argv, stdout = STDOUT, stderr = STDERR, kernel = Kernel, pipe = IO.pipe) ⇒ CLI

Returns a new instance of CLI.



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# File 'lib/geary/cli.rb', line 16

def initialize(argv, stdout = STDOUT, stderr = STDERR, kernel = Kernel,
               pipe = IO.pipe)
  @argv = argv
  @stdout = stdout
  @stdout = stderr
  @kernel = kernel
  @internal_signal_queue, @external_signal_queue = pipe
  @configuration = OptionParser.new.parse(@argv)
end

Instance Attribute Details

#configuration ⇒ Object (readonly)

Returns the value of attribute configuration.



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# File 'lib/geary/cli.rb', line 14

def configuration
  @configuration
end

#external_signal_queue ⇒ Object (readonly)

Returns the value of attribute external_signal_queue.



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# File 'lib/geary/cli.rb', line 14

def external_signal_queue
  @external_signal_queue
end

#internal_signal_queue ⇒ Object (readonly)

Returns the value of attribute internal_signal_queue.



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# File 'lib/geary/cli.rb', line 14

def internal_signal_queue
  @internal_signal_queue
end

Instance Method Details

#execute! ⇒ Object 



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# File 'lib/geary/cli.rb', line 26

def execute!
  Celluloid.logger.level = configuration.log_level

  %w(INT TERM).each do |signal|
    trap signal do
      external_signal_queue.puts(signal)
    end
  end

  munge_environment_given(configuration)
  load_rails

  manager = Manager.new(configuration: configuration)
  manager.start

  begin
    loop do
      IO.select([internal_signal_queue])
      signal = internal_signal_queue.gets.strip

      handle(signal)
    end
  rescue Shutdown
    manager.async.stop

    manager.wait(:done)

    @kernel.exit(0)
  end
end

#handle(signal) ⇒ Object 



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# File 'lib/geary/cli.rb', line 57

def handle(signal)
  if %w(INT TERM).include?(signal)
    raise Shutdown
  end
end