Sha256: 7c132553fedb8e4e4c24ed651a3fd9ea7ccc727945ce4772dfa4db8b1b80da4d
Contents?: true
Size: 1.15 KB
Versions: 5
Compression:
Stored size: 1.15 KB
Contents
# coding: utf-8
# This file is part of PacketGen
# See https://github.com/sdaubert/packetgen for more informations
# Copyright (C) 2016 Sylvain Daubert <sylvain.daubert@laposte.net>
# This program is published under MIT license.
require 'socket'
module PacketGen
# Module handling some helper methods for protocols
# @author Sylvain Daubert
# @since 2.1.2
module Proto
# @private cache information used by {.getprotobyname} and
# {.getprotobynumber}
def self.prepare_cache
proto_constants = Socket.constants.grep(/IPPROTO_/)
@cache = {}
proto_constants.each do |const_sym|
name = const_sym.to_s[8..-1].downcase
number = Socket.const_get(const_sym)
@cache[name] = number
end
end
prepare_cache
# Get protocol number from its name
# @param [String] name
# @return [Integer,nil] return nil for unknown protocol names
def self.getprotobyname(name)
@cache[name]
end
# Get protocol name from its number
# @param [Integer] num
# @return [String,nil] return nil for unknown protocol numbers
def self.getprotobynumber(num)
@cache.key(num)
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems