Class: MultiDaemons::Daemon

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

Constant Summary collapse

KILL_TIMEOUT = 
30

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(daemon, name:, type:, options: {}) ⇒ Daemon

Returns a new instance of Daemon.



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# File 'lib/multi_daemons/daemon.rb', line 6

def initialize(daemon, name:, type:, options: {})
  @daemon   = daemon
  @name     = name
  @type     = type
  @options  = options
  raise unless Validate.valid_daemon?(self)
end

Instance Attribute Details

#daemon ⇒ Object

Returns the value of attribute daemon.



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

def daemon
  @daemon
end

#errors ⇒ Object

Returns the value of attribute errors.



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

def errors
  @errors
end

#multiple ⇒ Object

Returns the value of attribute multiple.



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

def multiple
  @multiple
end

#name ⇒ Object

Returns the value of attribute name.



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

def name
  @name
end

#options ⇒ Object

Returns the value of attribute options.



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

def options
  @options
end

#type ⇒ Object

Returns the value of attribute type.



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

def type
  @type
end

Instance Method Details

#pid_file ⇒ Object 



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# File 'lib/multi_daemons/daemon.rb', line 52

def pid_file
  "#{pid_dir}#{name}.pid"
end

#pids ⇒ Object 



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# File 'lib/multi_daemons/daemon.rb', line 48

def pids
  PidStore.get(pid_file)
end

#start ⇒ Object 



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# File 'lib/multi_daemons/daemon.rb', line 14

def start
  case type
  when :proc, 'proc'
    safe_fork do
      daemon.call
    end
  when :script, 'script'
    safe_fork do
      Kernel.exec(daemon)
    end
  else
    Log.log 'Unsupported type'
  end
end

#stop ⇒ Object 



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# File 'lib/multi_daemons/daemon.rb', line 29

def stop
  if File.file?(pid_file)
    pids.each do |pid|
      begin
        Process.kill('TERM', pid)
      rescue Errno::ESRCH => e
        Log.log "#{e} #{pid}"
      end
    end

    return if multiple

    Pid.force_kill(pids, options[:force_kill_timeout])
    PidStore.cleanup(pid_file)
  else
    Log.log 'Pid file not found. Is daemon running?'
  end
end