mojom/echo.mojom

// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

module mojo;

interface Echo {
  EchoString(string? value) => (string? value);

  // TODO(nlacasse): The test runner currently needs this Quit method to tell
  // the echo service to quit, otherwise the tests hang because the echo
  // service never stops running and listening for connections.
  //
  // The Mojo dart tests that this is based on do essentially the same thing.
  // See $MOJO_DIR/src/services/dart/dart_apptests/echo_apptests.dart
  //
  // The "Quitting Mojo Apps" document
  // (https://drive.google.com/a/google.com/folderview?id=0B-WCZkfLIXQTajI4WWZhdGhjNnM)
  // says that Mojo applications should gracefully quit when Mojo shell
  // terminates (see Condition C in that doc), but that does not appear to be
  // implemented yet.
  //
  // Once the Mojo app can gracefully terminate on shell exit, we should get
  // rid of this method.
  Quit();
};