ping a list of servers to know if they are available

ping.rb

# script to ping server for activity
# Author: Adeola Awoyemi ([email protected])

require 'net/http'
require 'uri'

urls = [
	'http://www.photobox.co.uk/',
	'http://www.idontexist.co.uk/'
	]

sleep_secs = 10

while 1
	puts "-" * 72
	urls.each do |u|
		puts "CHECKING: #{u}:"
		url = URI.parse("#{u}")
		req = Net::HTTP::Get.new(url.path)
		begin
		res = Net::HTTP.start(url.host, url.port) {|http|
			http.request(req)
		}
		# puts "\t#{res.inspect}"
        	puts "\t#{res.code} : #{res.message}"
		rescue SocketError => se
			puts "\tDANGER! DANGER! Will Robinson... #{se}"
		end
	end
    puts "sleeping for #{sleep_secs}...\n"
    sleep_secs.times {|i| STDOUT.write "."*i; STDOUT.flush; sleep 1 }
    puts "";
	# sleep(sleep_secs)
end