Class: Shoryuken::Later::CLI

Inherits:
Object
  • Object
show all
Includes:
Util, Singleton
Defined in:
lib/shoryuken/later/cli.rb

Instance Method Summary collapse

Instance Method Details

#run(args) ⇒ Object 



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# File 'lib/shoryuken/later/cli.rb', line 18

def run(args)
  self_read, self_write = IO.pipe

  %w[INT TERM USR1 USR2].each do |sig|
    trap sig do
      self_write.puts(sig)
    end
  end

  setup_options(args) do |cli_options|
    # this needs to happen before configuration is parsed, since it may depend on Rails env
    load_rails if cli_options[:rails]
  end
  initialize_logger
  require_workers
  validate!
  daemonize
  write_pid
  
  Shoryuken::Logging.with_context '[later]' do
    logger.info 'Starting'
    
    # Initialize the timers and poller.
    @timers = Timers::Group.new
    require 'shoryuken/later/poller'
    @pollers = Shoryuken::Later.tables.map{|tbl| Poller.new(tbl) }
      
    begin
      # Poll for items on startup, and every :poll_delay
      poll_tables
      @timers.every(Shoryuken::Later.poll_delay){ poll_tables }
      
      # Loop watching for signals and firing off of timers
      while @timers
        interval = @timers.wait_interval
        readable, writable = IO.select([self_read], nil, nil, interval)
        if readable
          handle_signal readable.first.gets.strip
        else
          @timers.fire
        end
      end
    rescue Interrupt
      @timers.cancel
      exit 0
    end
  end
end