# File lib/webmock/http_lib_adapters/curb.rb, line 5
      def curb_or_webmock
        request_signature = build_request_signature
        WebMock::RequestRegistry.instance.requested_signatures.put(request_signature)

        if WebMock::StubRegistry.instance.registered_request?(request_signature)
          webmock_response = WebMock::StubRegistry.instance.response_for_request(request_signature)
          build_curb_response(webmock_response)
          WebMock::CallbackRegistry.invoke_callbacks(
            {:lib => :curb}, request_signature, webmock_response)
          invoke_curb_callbacks
          true
        elsif WebMock.net_connect_allowed?(request_signature.uri)
          res = yield
          if WebMock::CallbackRegistry.any_callbacks?
            webmock_response = build_webmock_response
            WebMock::CallbackRegistry.invoke_callbacks(
              {:lib => :curb, :real_request => true}, request_signature,
                webmock_response)   
          end
          res
        else
          raise WebMock::NetConnectNotAllowedError.new(request_signature)
        end
      end