# File lib/analyzer_tools/crawl.rb, line 64
  def do_request(url)
    req = []
    req << "GET #{url.request_uri} HTTP/1.0"
    req << "Host: #{url.host}"
    req << "User-Agent: RubyCrawl"
    req << ""
    req << ""
    req = req.join "\r\n"
    puts req

    begin
      s = TCPSocket.new url.host, url.port
      s.write req
      s.flush
      response = s.read
    ensure
      s.close unless s.nil?
    end

    headers, body = response.split(/\r\n\r\n/)

    headers = headers.split(/\r\n/)
    status = headers.shift
    headers = Hash[*headers.map { |h| h.split ': ', 2 }.flatten]

    puts status

    case status
    when / 302 / then
      body = "href=\"#{headers['Location']}\""
    when / 500 / then
      body = "href=\"#{@start_url}\""
    end

    return body
  end