Class: Libvirt::Event

Inherits:
Object
  • Object
show all
Extended by:
Forwardable, SingleForwardable
Includes:
Singleton
Defined in:
lib/libvirt/event.rb

Defined Under Namespace

Classes: Opaque

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#debug ⇒ Object

Returns the value of attribute debug.



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# File 'lib/libvirt/event.rb', line 22

def debug
  @debug
end

Instance Method Details

#invoke_handle_callback(watch, fd, events, opaque) ⇒ Object 



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# File 'lib/libvirt/event.rb', line 26

def invoke_handle_callback(watch, fd, events, opaque)
  cb = opaque.cb
  op = opaque.opaque
  dbg { "INVOKE_HANDLE_CALLBACK watch=#{watch} fd=#{fd} events=#{events} op=#{op}" }
  cb.call(watch, fd, events, op)
end

#invoke_timeout_callback(timer, opaque) ⇒ Object 



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# File 'lib/libvirt/event.rb', line 33

def invoke_timeout_callback(timer, opaque)
  cb = opaque.cb
  op = opaque.opaque
  dbg { "INVOKE_TIMEOUT_CALLBACK timer=#{timer} op=#{op}" }
  cb.call(timer, op)
end

#register(add_handle:, update_handle:, remove_handle:, add_timer:, update_timer:, remove_timer:, schedule:) ⇒ Object

rubocop:disable Metrics/ParameterLists



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# File 'lib/libvirt/event.rb', line 66

def register(add_handle:, update_handle:, remove_handle:, add_timer:, update_timer:, remove_timer:, schedule:) # rubocop:disable Metrics/ParameterLists
  @add_handle = add_handle
  @update_handle = update_handle
  @remove_handle = remove_handle
  @add_timer = add_timer
  @update_timer = update_timer
  @remove_timer = remove_timer
  @schedule = schedule

  @add_handle_cb = FFI::Event.callback_function(:virEventAddHandleFunc, &method(:_add_handle))
  @update_handle_cb = FFI::Event.callback_function(:virEventUpdateHandleFunc, &method(:_update_handle))
  @remove_handle_cb = FFI::Event.callback_function(:virEventRemoveHandleFunc, &method(:_remove_handle))
  @add_timer_cb = FFI::Event.callback_function(:virEventAddTimeoutFunc, &method(:_add_timer))
  @update_timer_cb = FFI::Event.callback_function(:virEventUpdateTimeoutFunc, &method(:_update_timer))
  @remove_timer_cb = FFI::Event.callback_function(:virEventRemoveTimeoutFunc, &method(:_remove_timer))

  FFI::Event.virEventRegisterImpl(
      @add_handle_cb,
      @update_handle_cb,
      @remove_handle_cb,
      @add_timer_cb,
      @update_timer_cb,
      @remove_timer_cb
  )
  @registered = true
end

#registered? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/libvirt/event.rb', line 40

def registered?
  @registered || false
end

#schedule_operation(&block) ⇒ Object 



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# File 'lib/libvirt/event.rb', line 62

def schedule_operation(&block)
  @schedule.call(&block)
end

#unregister ⇒ Object 



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# File 'lib/libvirt/event.rb', line 44

def unregister
  @add_handle_cb = nil
  @update_handle_cb = nil
  @remove_handle_cb = nil
  @add_timer_cb = nil
  @update_timer_cb = nil
  @remove_timer_cb = nil
  @add_handle = nil
  @update_handle = nil
  @remove_handle = nil
  @add_timer = nil
  @update_timer = nil
  @remove_timer = nil

  @registered = false
  true
end