Class: Sidejobs::Daemon

Inherits:
Object
  • Object
show all
Defined in:
lib/sidejobs/daemon.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Daemon

Returns a new instance of Daemon.



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# File 'lib/sidejobs/daemon.rb', line 4

def initialize
  @stopping = false
end

Instance Method Details

#pid ⇒ Object 



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# File 'lib/sidejobs/daemon.rb', line 46

def pid
  File.read(pid_path).to_i rescue nil
end

#restart ⇒ Object 



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# File 'lib/sidejobs/daemon.rb', line 37

def restart
  if running?
    stop
    start
  else
    start
  end
end

#running? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/sidejobs/daemon.rb', line 8

def running?
  if pid
    begin
      Process.kill 0, pid
      true
    rescue Errno::ESRCH
      false
    end
  else
    false
  end
end

#start ⇒ Object 



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# File 'lib/sidejobs/daemon.rb', line 21

def start
  unless running?
    daemonize
    write_pid
    trap_signals
    process
  end
end

#stop ⇒ Object 



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# File 'lib/sidejobs/daemon.rb', line 30

def stop
  if running?
    Process.kill :TERM, pid
    delete_pid
  end
end

#stopping? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/sidejobs/daemon.rb', line 50

def stopping?
  @stopping == true
end