Class: Pio::SetIpAddr

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

Overview

An action to modify the IPv4 source/destination address of a packet.

Direct Known Subclasses

SetIpDstAddr, SetIpSrcAddr

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(ip_address) ⇒ SetIpAddr

Returns a new instance of SetIpAddr.



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# File 'lib/pio/set_ip_addr.rb', line 35

def initialize(ip_address)
  @format = self.class.const_get(:Format).new(ip_address: ip_address)
end

Class Method Details

.def_format(action_type) ⇒ Object 



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# File 'lib/pio/set_ip_addr.rb', line 8

def self.def_format(action_type)
  str = %(
    class Format < BinData::Record
      endian :big

      uint16 :type, value: #{action_type}
      uint16 :message_length, value: 8
      ip_address :ip_address
    end
  )
  module_eval str
end

.read(raw_data) ⇒ Object 



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# File 'lib/pio/set_ip_addr.rb', line 21

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