em.rb

require File.expand_path(File.join(File.dirname(__FILE__),'..', 'config', 'environment'))
require 'evma_httpserver'

class HttpServer < EventMachine::Connection
  include EventMachine::HttpServer

  def process_http_request
    @content = Rack::Utils.parse_query(@http_post_content)
    #or СGI.parse
  end
end

EventMachine.run {
  EventMachine.start_server('0.0.0.0', 3001, HttpServer)
}