Sha256: 8ed9465d01f7b97fc84b277e7a742f26c67aac8b85259557f954c547f34de4bc
Contents?: true
Size: 1.18 KB
Versions: 8
Compression:
Stored size: 1.18 KB
Contents
# coding: utf-8 # frozen_string_literal: true # 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
8 entries across 8 versions & 1 rubygems