Script to repetitively open connections with starling and report lag time or error

starping

#!/usr/bin/env ruby
require 'rubygems'
gem 'starling-starling'
require 'starling'

unless ARGV.length == 1
  STDERR.puts('Usage: starping <host>:<port>')
  exit(1)
end

host = ARGV[0]

while true
  time = Time.now
  begin
    Starling.new(host).stats
    lag = Time.now - time
    puts "Connected to #{host} in #{lag}s."
    sleep(1.0 - lag)
  rescue => e
    puts "Could not connect: [#{e.class.name}] #{e.message.inspect}"
    sleep(1.0)
  end
end