class Socket::SelectableAddrinfos

Constants

PRIORITY_ON_V4
PRIORITY_ON_V6

Public Class Methods

new() click to toggle source

# File ext/socket/lib/socket.rb, line 977
def initialize
  @addrinfo_dict = {}
  @last_family = nil
end

Public Instance Methods

add(family_name, addrinfos) click to toggle source

# File ext/socket/lib/socket.rb, line 982
def add(family_name, addrinfos)
  @addrinfo_dict[family_name] = addrinfos
end

any?() click to toggle source

# File ext/socket/lib/socket.rb, line 1011
def any?
  !empty?
end

empty?() click to toggle source

# File ext/socket/lib/socket.rb, line 1007
def empty?
  @addrinfo_dict.all? { |_, addrinfos| addrinfos.empty? }
end

get() click to toggle source

# File ext/socket/lib/socket.rb, line 986
def get
  return nil if empty?

  if @addrinfo_dict.size == 1
    @addrinfo_dict.each { |_, addrinfos| return addrinfos.shift }
  end

  precedences = case @last_family
                when :ipv4, nil then PRIORITY_ON_V6
                when :ipv6      then PRIORITY_ON_V4
                end

  precedences.each do |family_name|
    addrinfo = @addrinfo_dict[family_name]&.shift
    next unless addrinfo

    @last_family = family_name
    return addrinfo
  end
end