Simple Sleep Web Server

sleep_server.rb

#!/usr/bin/env ruby
#
# Usage:
#   ruby sleep_server.rb [options]
#
# Options:
#   -p port          (default: 80)
#   -b bind_address  (default: 0.0.0.0)
#   -s sleep_seconds (default: 5)

require "optparse"
require "socket"
require "webrick"

class SleepServlet < WEBrick::HTTPServlet::AbstractServlet
  def do_GET(req, res)
    sleep $sleep
    res["Content-Type"] = "text/plain";
    res.body = Socket.gethostname
  end
end

opts = ARGV.getopts("p:b:s:")

port = opts["p"].to_i || 80
bind = opts["b"] || "0.0.0.0"
$sleep = opts["s"].to_i || 5

server = WEBrick::HTTPServer.new(:Port => port, :BindAddress => bind)
server.mount("/", SleepServlet)

trap(:INT) { server.shutdown }

server.start