method
request
request(sender, tout)
public
Hide source
# File lib/resolv.rb, line 668 def request(sender, tout) start = Time.now timelimit = start + tout begin sender.send rescue Errno::EHOSTUNREACH, # multi-homed IPv6 may generate this Errno::ENETUNREACH raise ResolvTimeout end while true before_select = Time.now timeout = timelimit - before_select if timeout <= 0 raise ResolvTimeout end select_result = IO.select(@socks, nil, nil, timeout) if !select_result after_select = Time.now next if after_select < timelimit raise ResolvTimeout end begin reply, from = recv_reply(select_result[0]) rescue Errno::ECONNREFUSED, # GNU/Linux, FreeBSD Errno::ECONNRESET # Windows # No name server running on the server? # Don't wait anymore. raise ResolvTimeout end begin msg = Message.decode(reply) rescue DecodeError next # broken DNS message ignored end if s = sender_for(from, msg) break else # unexpected DNS message ignored end end return msg, s.data end