class Qpid::Proton::Container::ListenTask

Public Class Methods

new(io, handler, container) click to toggle source
Calls superclass method
# File lib/core/container.rb, line 283
def initialize(io, handler, container)
  super
  @closing = @closed = nil
  env = ENV['PN_TRACE_EVT']
  if env && ["true", "1", "yes", "on"].include?(env.downcase)
    @log_prefix = "[0x#{object_id.to_s(16)}](PN_LISTENER_"
  else
    @log_prefix = nil
  end
  dispatch(:on_open);
end

Public Instance Methods

can_read?() click to toggle source
# File lib/core/container.rb, line 314
def can_read?() !finished?; end
can_write?() click to toggle source
# File lib/core/container.rb, line 315
def can_write?() false; end
dispatch(method, *args) click to toggle source
# File lib/core/container.rb, line 318
def dispatch(method, *args)
  # TODO aconway 2017-11-27: better logging
  STDERR.puts "#{@log_prefix}#{([method[3..-1].upcase]+args).join ', '})" if @log_prefix
  @handler.__send__(method, self, *args) if @handler && @handler.respond_to?(method)
end
finished?() click to toggle source
# File lib/core/container.rb, line 316
def finished?() @closed; end
next_tick() click to toggle source
# File lib/core/container.rb, line 324
def next_tick() nil; end
process() click to toggle source
# File lib/core/container.rb, line 295
def process
  return if @closed
  unless @closing
    begin
      return @io.accept, dispatch(:on_accept)
    rescue IO::WaitReadable, Errno::EINTR
    rescue IOError, SystemCallError => e
      close e
    end
  end
ensure
  if @closing
    @io.close rescue nil
    @closed = true
    dispatch(:on_error, @condition) if @condition
    dispatch(:on_close)
  end
end