Module: Havox::FieldParser

Included in:
OpenFlow10::OVS::Actions, OpenFlow10::OVS::Matches, OpenFlow10::RouteFlow::Actions, OpenFlow10::RouteFlow::Matches, OpenFlow10::Trema::Actions, OpenFlow10::Trema::Matches
Defined in:
lib/havox/modules/field_parser.rb

Instance Method Summary collapse

Instance Method Details

#basic_action(action, arg_a = nil, arg_b = nil) ⇒ Object 



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# File 'lib/havox/modules/field_parser.rb', line 11

def basic_action(action, arg_a = nil, arg_b = nil)
  { action: action, arg_a: arg_a, arg_b: arg_b }
end

#parsed_ipv4(ip_integer) ⇒ Object 



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# File 'lib/havox/modules/field_parser.rb', line 3

def parsed_ipv4(ip_integer)
  ip_integer = ip_integer.to_i
  value = ip_integer.positive? ? ip_integer : (2**32 - ip_integer.abs)      # Handles two's complement integers.
  bits = value.to_s(2).rjust(32, '0')                                       # Transforms the string number into a 32-bit sequence.
  octets = bits.scan(/\d{8}/).map { |octet_bits| octet_bits.to_i(2) }       # Splits the sequence into decimal octets.
  octets.join('.')                                                          # Returns the joined octets.
end

#raise_unknown_action(obj) ⇒ Object

Raises:



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# File 'lib/havox/modules/field_parser.rb', line 15

def raise_unknown_action(obj)
  raise Havox::UnknownAction,
    "Unable to translate action #{obj[:action]} with arguments A:"         \
    " #{obj[:arg_a]} and B: #{obj[:arg_b]}, respectively"
end