request-line.rb

#! /usr/bin/env ruby

require 'socket'

def log(  source, message)
  time = Time.now.strftime("%Y-%m-%d %H:%M:%S")
  puts "[%s] %s => %s" % [time, source, message]
end

server = TCPServer.new ARGV.first.to_i

loop do
  client = server.accept
  info = client.remote_address
  source = "%s:%s" % [info.ip_address, info.ip_port]

  log source, "Connection established"

  request_line = client.readline
  log source, "Method = %s | URI = %s | Version = %s" % request_line.split

  client.close
  log source, "Connection terminated"
end