Module: Pio::OpenFlow::Flags

Included in:
Pio::OpenFlow10::Features::Reply, Pio::OpenFlow10::FlowMod, Pio::OpenFlow10::PhyPort16, Pio::OpenFlow13::Features::Reply, Pio::OpenFlow13::FlowMod
Defined in:
lib/pio/open_flow/flags.rb

Overview

bitmap functions. This class smells of :reek:DataClump

Instance Method Summary collapse

Instance Method Details

#_def_flags(name, size, flags) ⇒ Object

rubocop:disable MethodLength This method smells of :reek:TooManyStatements



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# File 'lib/pio/open_flow/flags.rb', line 16

def _def_flags(name, size, flags)
  flag_value = case flags
               when Array
                 shift = 0
                 flags.each_with_object({}) do |each, result|
                   result[each] = 1 << shift
                   shift += 1
                   result
                 end
               when Hash
                 flags
               end

  klass_name = name.to_s.split('_').map(&:capitalize).join
  flags_hash = flag_value.inspect

  code = %{
    class #{klass_name} < BinData::Primitive
      endian :big

      uint#{size} :#{name}

      def get
        list = #{flags_hash}
        list.each_with_object([]) do |(key, value), result|
          result << key if #{name} & value != 0
          result
        end
      end

      def set(v)
        list = #{flags_hash}
        v.each do |each|
          fail "Invalid state flag: \#{v}" unless list.keys.include?(each)
        end
        self.#{name} = v.empty? ?
                       0 :
                       v.map { |each| list[each] }.inject(:|)
      end
    end
  }
  module_eval code
end

#flags_16bit(name, flags) ⇒ Object 



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# File 'lib/pio/open_flow/flags.rb', line 10

def flags_16bit(name, flags)
  _def_flags name, 16, flags
end

#flags_32bit(name, flags) ⇒ Object 



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# File 'lib/pio/open_flow/flags.rb', line 6

def flags_32bit(name, flags)
  _def_flags name, 32, flags
end