NI_DGRAM -> Integer[permalink][rdoc][edit]-
The service specified is a datagram service (looks up UDP ports)。
Socket.getnameinfo, Addrinfo#getnameinfo の引数 flags に渡す定数です。
require 'socket' Socket.getnameinfo([ Socket::AF_INET, 514, "127.0.0.1"], Socket::NI_DGRAM) # => ["localhost", "syslog"] Socket.getnameinfo([ Socket::AF_INET, 514, "127.0.0.1"]) # => ["localhost", "shell"]
[SEE_ALSO] getnameinfo(3)