Class: EM::Beanstalk::Shell::KeyboardHandler

Inherits:
Connection
  • Object
show all
Includes:
Protocols::LineText2
Defined in:
lib/em-beanstalk/shell.rb

Instance Method Summary collapse

Instance Method Details

#post_initObject



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# File 'lib/em-beanstalk/shell.rb', line 7

def post_init
  @jack = EM::Beanstalk.new

  print "> "
end

#receive_line(line) ⇒ Object



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# File 'lib/em-beanstalk/shell.rb', line 13

def receive_line(line)
  line.chomp!
  line.gsub!(/^\s+/, '')

  df = case(line)
  when /^\s*$/ then
    # noop
    nil

  when /^use / then
    tube = line.gsub(/use /, '')
    df = @jack.use(tube)
    df.callback { |tube| puts "Using #{tube}" } unless df.nil?
    df

  when /^watch / then
    tube = line.gsub(/watch /, '')
    df = @jack.watch(tube)
    df.callback { |tube| puts "Watching #{tube}" } unless df.nil?
    df

  when /^put / then
    msg = line.gsub(/put /, '')
    df = @jack.put(msg)
    df.callback { |id| puts "Inserted job #{id}" }
    df

  when /^delete / then
    id = line.gsub(/delete /, '').to_i
    job = EM::Beanstalk::Job.new(@jack, id, "asdf")
    df = job.delete
    df.callback { puts "Deleted" }
    df

  when 'reserve' then
    df = @jack.reserve
    df.callback { |job| puts "Reserved #{job}" }
    df

  when 'list-tubes' then
    df = @jack.list
    df.callback { |tubes| pp tubes }
    df

  when 'list-watched' then
    df = @jack.list(:watched)
    df.callback { |tubes| pp tubes }
    df

  when 'list-used' then
    df = @jack.list(:used)
    df.callback { |tube| puts "Using #{tube}" }
    df

  when 'stats' then
    df = @jack.stats
    df.callback { |stats| pp stats }
    df

  when /^stats-tube\s+(.*)$/ then
    df = @jack.stats(:tube, $1)
    df.callback { |stats| pp stats }
    df

  when /^stats-job\s+(\d+)/ then
    j = EM::Beanstalk::Job.new(@jack, $1, "blah")
    df = j.stats
    df.callback { |stats| pp stats }
    df

  when 'help' then
    msg = "COMMANDS:\n"
    msg << "  put <msg>    - put message onto beanstalk\n"
    msg << "  reserve      - reserve a job on beanstalk\n"
    msg << "  delete <id>  - delete message with ID <id>\n"
    msg << "\n"
    msg << "  use <tube>   - use tube for messages\n"
    msg << "  watch <tube> - add <tube to watch list for messages\n"
    msg << "\n"
    msg << "  stats        - display beanstalk stats\n"
    msg << "  stats-tube <tube> - display tube stats\n"
    msg << "  stats-job <id> - display job stats\n"
    msg << "\n"
    msg << "  list-tubes   - display beanstalk tubes\n"
    msg << "  list-used    - display the currently used tube\n"
    msg << "  list-watched - display the currently watched tubes\n"
    msg << "\n"
    msg << "  help         - this help text\n"
    msg << "  quit         - quit application\n"

    puts msg
    nil

  when 'quit' then
    EM.stop_event_loop
    nil
  end

  unless df.nil?
    df.callback { print "> " }
    df.errback { print "> " }
  end

  print "> "
end