Module: Pio::OpenFlow::ErrorMessage

Included in:
Pio::OpenFlow10::Error, Pio::OpenFlow13::Error
Defined in:
lib/pio/open_flow/error_message.rb

Overview

Error message parser

Instance Method Summary collapse

Instance Method Details

#error_classes ⇒ Object

rubocop:enable AbcSize



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# File 'lib/pio/open_flow/error_message.rb', line 27

def error_classes
  OpenFlow::Message.descendants.select do |each|
    each.parents.include? parent.const_get(:Error)
  end
end

#read(binary) ⇒ Object

rubocop:disable AbcSize



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# File 'lib/pio/open_flow/error_message.rb', line 13

def read(binary)
  body = OpenFlow::Header.read(binary).body
  error = const_get(:BodyParser).read(body)
  klass = error_classes.find do |each|
    each.name.split('::').last.underscore == error.error_type.to_s
  end
  unless klass
    raise 'Unknown error message '\
         "(type=#{error.error_type}, code=#{error.error_code})"
  end
  klass.read binary
end