Class: Delayed::Command

Inherits:
Object
  • Object
show all
Defined in:
lib/delayed/command.rb

Instance Method Summary collapse

Constructor Details

#initialize(args) ⇒ Command

Returns a new instance of Command.



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# File 'lib/delayed/command.rb', line 7

def initialize(args)
  @files_to_reopen = []
  @options = {:quiet => true, :worker_count => 1}
  
  opts = OptionParser.new do |opts|
    opts.banner = "Usage: #{File.basename($0)} [options] start|stop|restart|run"

    opts.on('-h', '--help', 'Show this message') do
      puts opts
      exit 1
    end
    opts.on('-e', '--environment=NAME', 'Specifies the environment to run this delayed jobs under (test/development/production).') do |e|
      STDERR.puts "The -e/--environment option has been deprecated and has no effect. Use RAILS_ENV and see http://github.com/collectiveidea/delayed_job/issues/#issue/7"
    end
    opts.on('--min-priority N', 'Minimum priority of jobs to run.') do |n|
      @options[:min_priority] = n
    end
    opts.on('--max-priority N', 'Maximum priority of jobs to run.') do |n|
      @options[:max_priority] = n
    end
    opts.on('-n', '--number_of_workers=workers', "Number of unique workers to spawn") do |worker_count|
      begin
        @options[:worker_count] = worker_count.to_i if worker_count.to_i > 0
      rescue
      end
    end
  end
  @args = opts.parse!(args)
end

Instance Method Details

#daemonize ⇒ Object 



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# File 'lib/delayed/command.rb', line 37

def daemonize
  ObjectSpace.each_object(File) do |file|
    @files_to_reopen << file unless file.closed?
  end
  
  process_name = 'delayed_job'
  Daemons.run_proc(process_name, :dir => "#{RAILS_ROOT}/tmp/pids", :dir_mode => :normal, :ARGV => @args) do |*args|
    run process_name
  end
end

#logger ⇒ Object 



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# File 'lib/delayed/command.rb', line 48

def logger
  if defined?(Rails) && Rails.respond_to?(:logger)
    Rails.logger
  elsif defined?(RAILS_DEFAULT_LOGGER)
    RAILS_DEFAULT_LOGGER
  elsif defined?(Merb) && Merb.respond_to?(:logger)
    Merb.logger
  end
end

#run(worker_name = nil) ⇒ Object 



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# File 'lib/delayed/command.rb', line 58

def run(worker_name = nil)
  Dir.chdir(RAILS_ROOT)
  
  # Re-open file handles
  @files_to_reopen.each do |file|
    begin
      file.reopen File.join(RAILS_ROOT, 'log', 'delayed_job.log'), 'a+'
      file.sync = true
    rescue ::Exception
    end
  end
  
  Delayed::Worker.logger = logger if logger
  ActiveRecord::Base.connection.reconnect!
  
  worker = Delayed::Worker.new(@options)
  worker.name_prefix = "#{worker_name} "
  worker.start
rescue => e
  logger.fatal e if logger
  STDERR.puts e.message
  exit 1
end