1_sleep_server.rb

#!/usr/bin/env ruby -KU -rubygems
require 'sinatra'

get '/:time' do
  sleep params[:time].to_i
  "Just slept for #{sleep_time} seconds"
end

2_timeout_test.rb

#!/usr/bin/env ruby -KU -rubygems

require 'rest_client'
require 'open-uri'
require 'net/http'
require 'socket'

SLEEP_URL = "http://localhost:4567/5" # server will sleep for 2 seconds
SLEEP_URI = URI.parse(SLEEP_URL)

request_methods = [
  lambda { RestClient::Request.execute(:method => "GET", :url => SLEEP_URL) },
  lambda { open(SLEEP_URL).read },
  lambda { Net::HTTP.get(URI.parse(SLEEP_URL)) },
  lambda do
    host = SLEEP_URI.host
    port = SLEEP_URI.port
    path = SLEEP_URI.path

    request = "GET #{path} HTTP/1.0\r\n\r\n"
    socket = TCPSocket.open(host, port)
    socket.print(request)
    response = socket.read
  end
]

request_methods.each do |ea|
  start_time = Time.now
  begin
    Timeout.timeout(1) do
      ea.call
    end
  rescue Timeout::Error => e
    print "Timeout..."
  end
  puts "Request lasted for #{Time.now - start_time}"
end

3_output.txt

Timeout...Request lasted for 1.001413
Timeout...Request lasted for 1.001712
Timeout...Request lasted for 1.001111
Timeout...Request lasted for 1.001298