Contents

require 'forwardable'

# Base module.
module Pio
  remove_const :SendOutPort if const_defined?(:SendOutPort)

  # Output to switch port.
  class SendOutPort
    # OpenFlow 1.3.4 OFPAT_OUTPUT action format.
    class Format < BinData::Record
      NO_BUFFER = 0xffff

      endian :big

      uint16 :action_type, value: 0
      uint16 :action_length, value: 16
      uint32 :port
      uint16 :max_length, initial_value: NO_BUFFER
      uint48 :padding
    end

    def self.read(raw_data)
      allocate.tap do |send_out_port|
        send_out_port.instance_variable_set :@format, Format.read(raw_data)
      end
    end

    extend Forwardable

    def_delegators :@format, :action_type
    def_delegators :@format, :action_length
    def_delegators :@format, :port
    def_delegator :@format, :to_binary_s, :to_binary

    def initialize(port)
      @format = Format.new(port: port)
    end

    def max_length
      case @format.max_length
      when Format::NO_BUFFER
        :no_buffer
      else
        @format.max_length
      end
    end
  end
end

Version data entries

5 entries across 5 versions & 1 rubygems

Version	Path
pio-0.23.1	lib/pio/open_flow13/send_out_port.rb
pio-0.23.0	lib/pio/open_flow13/send_out_port.rb
pio-0.22.0	lib/pio/open_flow13/send_out_port.rb
pio-0.21.1	lib/pio/open_flow13/send_out_port.rb
pio-0.21.0	lib/pio/open_flow13/send_out_port.rb