class PacketFu::TcpOption::WS

Window Size option.

www.networksorcery.com/enp/protocol/tcp/option003.htm

Public Class Methods

new(args={}) click to toggle source
Calls superclass method PacketFu::TcpOption.new
# File lib/packetfu/protos/tcp/option.rb, line 159
def initialize(args={})
        super(
                args.merge(:kind => 3,
                                                         :optlen => 3
                                                        )
        )
        self[:value] = Int8.new(args[:value])
end

Public Instance Methods

decode() click to toggle source

WS options with lengths other than 3 are malformed.

# File lib/packetfu/protos/tcp/option.rb, line 171
def decode
        if self[:optlen].to_i == 3
                "WS:#{self[:value].to_i}"
        else
                "WS-bad:#{self[:value]}"
        end
end
value=(i) click to toggle source
# File lib/packetfu/protos/tcp/option.rb, line 168
def value=(i); typecast i; end