class PacketFu::TcpOption::MSS

Maximum Segment Size option.

www.networksorcery.com/enp/protocol/tcp/option002.htm

Public Class Methods

new(args={}) click to toggle source
Calls superclass method PacketFu::TcpOption::new
# File lib/packetfu/protos/tcp/option.rb, line 133
def initialize(args={})
  super(
    args.merge(:kind => 2,
               :optlen => 4
              )
  )
  self[:value] = Int16.new(args[:value])
end

Public Instance Methods

decode() click to toggle source

MSS options with lengths other than 4 are malformed.

# File lib/packetfu/protos/tcp/option.rb, line 145
def decode
  if self[:optlen].to_i == 4
    "MSS:#{self[:value].to_i}"
  else
    "MSS-bad:#{self[:value]}"
  end
end
value=(i) click to toggle source
# File lib/packetfu/protos/tcp/option.rb, line 142
def value=(i); typecast i; end