123456789_123456789_123456789_123456789_123456789_

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.

Constant Summary

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 90

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

#kill

[ GitHub ]

  
# File 'lib/puma/cluster/worker_handle.rb', line 85

def kill
  @signal = 'KILL'
  term
end

#ping!(status)

[ GitHub ]

  
# File 'lib/puma/cluster/worker_handle.rb', line 57

def ping!(status)
  @last_checkin = Time.now
  @last_status = status.match(STATUS_PATTERN).named_captures.map { |c_name, c| [c_name.to_sym, c.to_i] }.to_h
end

#ping_timeout

See Also:

Version:

  • 5.0.0

[ GitHub ]

  
# File 'lib/puma/cluster/worker_handle.rb', line 64

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 72

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