Class: Pio::SetIpTos

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/pio/set_ip_tos.rb

Overview

An action to modify the IP ToS/DSCP field of a packet.

Defined Under Namespace

Classes: Format

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(type_of_service) ⇒ SetIpTos

Returns a new instance of SetIpTos.



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# File 'lib/pio/set_ip_tos.rb', line 32

def initialize(type_of_service)
  # nw_tos (IP ToS) value consists of 8 bits, of which only the 6
  # high-order bits belong to DSCP, the 2 low-order bits must be
  # zero.
  unless type_of_service.unsigned_8bit? && type_of_service % 4 == 0
    fail ArgumentError, 'Invalid type_of_service (ToS) value.'
  end
  @format = Format.new(type_of_service: type_of_service)
end

Class Method Details

.read(raw_data) ⇒ Object 



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# File 'lib/pio/set_ip_tos.rb', line 19

def self.read(raw_data)
  set_ip_tos = allocate
  set_ip_tos.instance_variable_set :@format, Format.read(raw_data)
  set_ip_tos
end