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Class: Puma::Events

Relationships & Source Files
Inherits: Object
Defined in: lib/puma/events.rb

Overview

This is an event sink used by Server to handle lifecycle events such as :after_booted, :before_restart, and :after_stopped. Using DSL it is possible to register callback hooks for each event type.

Class Method Summary

Instance Method Summary

Constructor Details

.new ⇒ Events

[ GitHub ] 

  


# File 'lib/puma/events.rb', line 11



def initialize
  @hooks = Hash.new { |h,k| h[k] = [] }
end


  







Instance Method Details



  

    #after_booted(&block)  
  

  [ GitHub ]


  

  


# File 'lib/puma/events.rb', line 33



def after_booted(&block)
  register(:after_booted, &block)
end


  








  

    #after_stopped(&block)  
  

  [ GitHub ]


  

  


# File 'lib/puma/events.rb', line 41



def after_stopped(&block)
  register(:after_stopped, &block)
end


  








  

    #before_restart(&block)  
  

  [ GitHub ]


  

  


# File 'lib/puma/events.rb', line 37



def before_restart(&block)
  register(:before_restart, &block)
end


  








  

    #fire(hook, *args)  
  



  

    

Fire callbacks for the named hook


  



  [ GitHub ]


  

  


# File 'lib/puma/events.rb', line 16



def fire(hook, *args)
  @hooks[hook].each { |t| t.call(*args) }
end


  








  

    #fire_after_booted!  
  

  [ GitHub ]


  

  


# File 'lib/puma/events.rb', line 45



def fire_after_booted!
  fire(:after_booted)
end


  








  

    #fire_after_stopped!  
  

  [ GitHub ]


  

  


# File 'lib/puma/events.rb', line 53



def fire_after_stopped!
  fire(:after_stopped)
end


  








  

    #fire_before_restart!  
  

  [ GitHub ]


  

  


# File 'lib/puma/events.rb', line 49



def fire_before_restart!
  fire(:before_restart)
end


  








  

    #register(hook, obj = nil, &blk)  
  



  

    

Register a callback for a given hook


  



  [ GitHub ]


  

  


# File 'lib/puma/events.rb', line 21



def register(hook, obj=nil, &blk)
  if obj and blk
    raise "Specify either an object or a block, not both"
  end

  h = obj || blk

  @hooks[hook] << h

  h
end