Class: EventMachine::Selectable

Inherits:
Object
  • Object
show all
Defined in:
lib/em/pure_ruby.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(io) ⇒ Selectable

Returns a new instance of Selectable



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# File 'lib/em/pure_ruby.rb', line 687

def initialize io
  @io = io
  @uuid = UuidGenerator.generate
  @is_server = false
  @last_activity = Reactor.instance.current_loop_time

  if defined?(Fcntl::F_GETFL)
    m = @io.fcntl(Fcntl::F_GETFL, 0)
    @io.fcntl(Fcntl::F_SETFL, Fcntl::O_NONBLOCK | m)
  else
    # Windows doesn't define F_GETFL.
    # It's not very reliable about setting descriptors nonblocking either.
    begin
      s = Socket.for_fd(@io.fileno)
      s.fcntl( Fcntl::F_SETFL, Fcntl::O_NONBLOCK )
    rescue Errno::EINVAL, Errno::EBADF
      warn "Serious error: unable to set descriptor non-blocking"
    end
  end
  # TODO, should set CLOEXEC on Unix?

  @close_scheduled = false
  @close_requested = false

  se = self; @io.instance_eval { @my_selectable = se }
  Reactor.instance.add_selectable @io
end

Instance Attribute Details

#ioObject

Returns the value of attribute io



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# File 'lib/em/pure_ruby.rb', line 684

def io
  @io
end

#is_serverObject

Returns the value of attribute is_server



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# File 'lib/em/pure_ruby.rb', line 684

def is_server
  @is_server
end

#uuidObject (readonly)

Returns the value of attribute uuid



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# File 'lib/em/pure_ruby.rb', line 685

def uuid
  @uuid
end

Instance Method Details

#close_scheduled?Boolean

Returns:

  • (Boolean)


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# File 'lib/em/pure_ruby.rb', line 715

def close_scheduled?
  @close_scheduled
end

#get_peernameObject



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# File 'lib/em/pure_ruby.rb', line 727

def get_peername
  nil
end

#get_socknameObject



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# File 'lib/em/pure_ruby.rb', line 731

def get_sockname
  nil
end

#heartbeatObject



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# File 'lib/em/pure_ruby.rb', line 739

def heartbeat
end

#schedule_close(after_writing = false) ⇒ Object



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# File 'lib/em/pure_ruby.rb', line 742

def schedule_close(after_writing=false)
  if after_writing
    @close_requested = true
  else
    @close_scheduled = true
  end
end

#select_for_reading?Boolean

Returns:

  • (Boolean)


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# File 'lib/em/pure_ruby.rb', line 719

def select_for_reading?
  false
end

#select_for_writing?Boolean

Returns:

  • (Boolean)


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# File 'lib/em/pure_ruby.rb', line 723

def select_for_writing?
  false
end

#set_inactivity_timeout(tm) ⇒ Object



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# File 'lib/em/pure_ruby.rb', line 735

def set_inactivity_timeout tm
  @inactivity_timeout = tm
end