Method: Rinda::RingFinger#make_socket

Defined in:

lib/rinda/ring.rb

#make_socket(address) ⇒ Object

Creates a socket for address with the appropriate multicast options for multicast addresses.

# File 'lib/rinda/ring.rb', line 416

def make_socket(address) # :nodoc:
  addrinfo = Addrinfo.udp(address, @port)

  soc = Socket.new(addrinfo.pfamily, addrinfo.socktype, addrinfo.protocol)
  begin
    if addrinfo.ipv4_multicast? then
      soc.setsockopt(Socket::Option.ipv4_multicast_loop(1))
      soc.setsockopt(Socket::Option.ipv4_multicast_ttl(@multicast_hops))
    elsif addrinfo.ipv6_multicast? then
      soc.setsockopt(:IPPROTO_IPV6, :IPV6_MULTICAST_LOOP, true)
      soc.setsockopt(:IPPROTO_IPV6, :IPV6_MULTICAST_HOPS,
                     [@multicast_hops].pack('I'))
      soc.setsockopt(:IPPROTO_IPV6, :IPV6_MULTICAST_IF,
                     [@multicast_interface].pack('I'))
    else
      soc.setsockopt(:SOL_SOCKET, :SO_BROADCAST, true)
    end

    soc.connect(addrinfo)
  rescue Exception
    soc.close
    raise
  end

  soc
end