call (Rack::Adapter::Camping)

    # File lib/rack/adapter/camping.rb, line 8
          def call(env)
            env["PATH_INFO"] ||= ""
            env["SCRIPT_NAME"] ||= ""
            controller = @app.run(env['rack.input'], env)
            h = controller.headers
            h.each_pair do |k,v|
              if v.kind_of? URI
                h[k] = v.to_s
              end
            end
            [controller.status, controller.headers, [controller.body.to_s]]
          end