gistfile1.rb

class Foo < Sinatra::Base
  @@server_instance = nil
  def self.run!(options={})
    set options
    handler      = detect_rack_handler
    handler_name = handler.name.gsub(/.*::/, '')
    puts "== Sinatra/#{Sinatra::VERSION} has taken the stage " +
      "on #{port} for #{environment} with backup from #{handler_name}" unless handler_name =~/cgi/i
    handler.run self, :Host => host, :Port => port do |server|
      @@server_instance = server
      trap(:INT) do
        ## Use thins' hard #stop! if available, otherwise just #stop
        server.respond_to?(:stop!) ? server.stop! : server.stop
        puts "\n== Sinatra has ended his set (crowd applauds)" unless handler_name =~/cgi/i
      end
    end
  rescue Errno::EADDRINUSE => e
    puts "== Someone is already performing on port #{port}!"
  end
  def self.kill
    @@server_instance.respond_to?(:stop!) ? @@server_instance.stop! : @@server_instance.stop
  end
end