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Class: Puma::Cluster::WorkerHandle

Do not use. This class is for internal use only.
Relationships & Source Files
Inherits: Object
Defined in: lib/puma/cluster/worker_handle.rb

Overview

This class represents a worker process from the perspective of the puma master process. It contains information about the process and its health and it exposes methods to control the process via IPC. It does not include the actual logic executed by the worker process itself. For that, see Worker.

Class Method Summary

Instance Attribute Summary

Instance Method Summary

Constructor Details

.new(idx, pid, phase, options) ⇒ WorkerHandle

[ GitHub ] 

  


# File 'lib/puma/cluster/worker_handle.rb', line 14



def initialize(idx, pid, phase, options)
  @index = idx
  @pid = pid
  @phase = phase
  @stage = :started
  @signal = "TERM"
  @options = options
  @first_term_sent = nil
  @started_at = Time.now
  @last_checkin = Time.now
  @last_status = {}
  @term = false
end


  







Instance Attribute Details



  

    #booted?  ⇒ Boolean  (readonly)
  

  [ GitHub ]


  

  


# File 'lib/puma/cluster/worker_handle.rb', line 33



def booted?
  @stage == :booted
end


  








  

    #index   (readonly)
  

  [ GitHub ]


  

  


# File 'lib/puma/cluster/worker_handle.rb', line 28



attr_reader :index, :pid, :phase, :signal, :last_checkin, :last_status, :started_at


  








  

    #last_checkin   (readonly)
  

  [ GitHub ]


  

  


# File 'lib/puma/cluster/worker_handle.rb', line 28



attr_reader :index, :pid, :phase, :signal, :last_checkin, :last_status, :started_at


  








  

    #last_status   (readonly)
  

  [ GitHub ]


  

  


# File 'lib/puma/cluster/worker_handle.rb', line 28



attr_reader :index, :pid, :phase, :signal, :last_checkin, :last_status, :started_at


  








  

    #phase   (rw)
  

  [ GitHub ]


  

  


# File 'lib/puma/cluster/worker_handle.rb', line 28



attr_reader :index, :pid, :phase, :signal, :last_checkin, :last_status, :started_at


  








  

    #phase=(value)   (rw)
  



  

    
  





  
Version:


    
  
  • 
    
    

    5.0.0
    

    
  
    • 





  [ GitHub ]


  

  


# File 'lib/puma/cluster/worker_handle.rb', line 31



attr_writer :pid, :phase


  








  

    #pid   (rw)
  

  [ GitHub ]


  

  


# File 'lib/puma/cluster/worker_handle.rb', line 28



attr_reader :index, :pid, :phase, :signal, :last_checkin, :last_status, :started_at


  








  

    #pid=(value)   (rw)
  



  

    
  





  
Version:


    
  
  • 
    
    

    5.0.0
    

    
  
    • 





  [ GitHub ]


  

  


# File 'lib/puma/cluster/worker_handle.rb', line 31



attr_writer :pid, :phase


  








  

    #signal   (readonly)
  

  [ GitHub ]


  

  


# File 'lib/puma/cluster/worker_handle.rb', line 28



attr_reader :index, :pid, :phase, :signal, :last_checkin, :last_status, :started_at


  








  

    #started_at   (readonly)
  

  [ GitHub ]


  

  


# File 'lib/puma/cluster/worker_handle.rb', line 28



attr_reader :index, :pid, :phase, :signal, :last_checkin, :last_status, :started_at


  








  

    #term?  ⇒ Boolean  (readonly)
  

  [ GitHub ]


  

  


# File 'lib/puma/cluster/worker_handle.rb', line 50



def term?
  @term
end


  







Instance Method Details



  

    #boot!  
  

  [ GitHub ]


  

  


# File 'lib/puma/cluster/worker_handle.rb', line 41



def boot!
  @last_checkin = Time.now
  @stage = :booted
end


  








  

    #hup  
  

  [ GitHub ]


  

  


# File 'lib/puma/cluster/worker_handle.rb', line 91



def hup
  Process.kill "HUP", @pid
rescue Errno::ESRCH
end


  








  

    #kill  
  

  [ GitHub ]


  

  


# File 'lib/puma/cluster/worker_handle.rb', line 86



def kill
  @signal = 'KILL'
  term
end


  








  

    #ping!(status)  
  

  [ GitHub ]


  

  


# File 'lib/puma/cluster/worker_handle.rb', line 54



def ping!(status)
  @last_checkin = Time.now
  captures = status.match(/{ "backlog":(?<backlog>\d*), "running":(?<running>\d*), "pool_capacity":(?<pool_capacity>\d*), "max_threads": (?<max_threads>\d*), "requests_count": (?<requests_count>\d*) }/)
  @last_status = captures.names.inject({}) do |hash, key|
    hash[key.to_sym] = captures[key].to_i
    hash
  end
end


  








  

    #ping_timeout  
  



  

    
  





    
See Also:

  

Version:


    
  
  • 
    
    

    5.0.0
    

    
  
    • 





  [ GitHub ]


  

  


# File 'lib/puma/cluster/worker_handle.rb', line 65



def ping_timeout
  @last_checkin +
    (booted? ?
      @options[:worker_timeout] :
      @options[:worker_boot_timeout]
    )
end


  








  

    #term   (readonly)
  

  [ GitHub ]


  

  


# File 'lib/puma/cluster/worker_handle.rb', line 73



def term
  begin
    if @first_term_sent && (Time.now - @first_term_sent) > @options[:worker_shutdown_timeout]
      @signal = "KILL"
    else
      @term ||= true
      @first_term_sent ||= Time.now
    end
    Process.kill @signal, @pid if @pid
  rescue Errno::ESRCH
  end
end


  








  

    #term!  
  

  [ GitHub ]


  

  


# File 'lib/puma/cluster/worker_handle.rb', line 46



def term!
  @term = true
end


  








  

    #uptime  
  

  [ GitHub ]


  

  


# File 'lib/puma/cluster/worker_handle.rb', line 37



def uptime
  Time.now - started_at
end