Module: Asmodai::Daemon::ProcessManagement

Included in:
Asmodai::Daemon
Defined in:
lib/asmodai/daemon/process_management.rb

Instance Method Summary collapse

Instance Method Details

#is_running? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/asmodai/daemon/process_management.rb', line 10

def is_running?
  pid_file_path.exist? and ( Process.kill(0,pid); true ) rescue false
end

#pid ⇒ Object 



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# File 'lib/asmodai/daemon/process_management.rb', line 6

def pid
  pid_file_path.read.strip.to_i rescue 0
end

#pid_file_path ⇒ Object 



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# File 'lib/asmodai/daemon/process_management.rb', line 2

def pid_file_path
  Asmodai.root.join("log/#{daemon_name}.pid")
end

#start ⇒ Object 



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# File 'lib/asmodai/daemon/process_management.rb', line 14

def start
  if is_running?
    false
  else
    self.new.start
    true
  end
end

#terminate ⇒ Object 



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# File 'lib/asmodai/daemon/process_management.rb', line 23

def terminate
  if is_running?
    Process.kill('TERM', pid)
    while is_running?
      sleep 0.1
    end
    FileUtils.rm pid_file_path.to_s
    true
  else
    false
  end
end