require 'socket'
require 'uri'

def raw_http_request(url, headers = {}, body = nil)
  uri = URI.parse(url)
  s = TCPSocket.new(uri.host, uri.port)
  s.write("GET #{uri.request_uri} HTTP/1.1\r\n")

  headers.each { |k, v| s.write("#{k}: #{v}\r\n") }

  s.write("\r\n")
  s.write(body) if body
  s.close_write

  headers, body, found_body = [], "", false
  s.each_line do |line|
    if !found_body and line.strip == ""
      found_body = true
      next
    end

    if found_body
      body << line
    else
      headers << line.strip
    end
  end

  [headers, body]
ensure
  s.close if s
end

puts raw_http_request("http://localhost:9080/",
                      {"Host" => "localhost:9080", "Content-Length" => 2000},
                      "Short body")