stream in sinatra

checkin_server.rb

class CheckinServer < Sinatra::Base
	include Paperclip::Glue

	set :server, :thin
	set :views, settings.root + '/../app/views/sinatra'
	connections = []

        

	get '/stream', :provides => 'text/event-stream' do
	  stream :keep_open do |out|
	    connections << out
	    out.callback { connections.delete(out) }
	  end
	end

	post '/new' do
          user = User.find(params[:id])
	  connections.each { |out| out << "data: #{erb :user, :locals => {:user => user}}\n\n" }
	  204 # response without entity body
	end

        def get_connections_size
          connections.size
        end


end

notes.txt

How can I access get_connections_size from a Rails controller?

routes.rb

Tidy::Application.routes.draw do

  mount CheckinServer => '/checkin'

end