2014-10-31 18:17:05 +00:00
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// Copyright (c) 2013 GitHub, Inc.
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2014-04-25 09:49:37 +00:00
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// Use of this source code is governed by the MIT license that can be
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2013-04-13 10:39:09 +00:00
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// found in the LICENSE file.
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2019-06-19 20:46:59 +00:00
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#include "shell/common/node_bindings.h"
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2013-04-13 10:39:09 +00:00
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2018-01-22 22:49:30 +00:00
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#include <algorithm>
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2018-09-13 00:25:56 +00:00
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#include <memory>
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2019-11-02 01:06:15 +00:00
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#include <set>
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2014-03-16 01:13:06 +00:00
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#include <string>
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2020-02-07 02:59:38 +00:00
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#include <unordered_set>
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2018-10-18 23:57:28 +00:00
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#include <utility>
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2014-03-16 01:13:06 +00:00
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#include <vector>
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2013-12-11 15:59:03 +00:00
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#include "base/base_paths.h"
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2016-08-26 22:30:02 +00:00
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#include "base/command_line.h"
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2015-11-06 10:51:34 +00:00
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#include "base/environment.h"
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2013-12-11 15:59:03 +00:00
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#include "base/path_service.h"
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2016-11-30 07:30:03 +00:00
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#include "base/run_loop.h"
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2018-10-18 23:57:28 +00:00
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#include "base/strings/string_split.h"
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2018-01-22 22:49:30 +00:00
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#include "base/strings/utf_string_conversions.h"
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2016-11-30 07:30:03 +00:00
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#include "base/threading/thread_task_runner_handle.h"
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2016-12-07 11:22:08 +00:00
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#include "base/trace_event/trace_event.h"
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2013-07-22 06:58:25 +00:00
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#include "content/public/browser/browser_thread.h"
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2015-04-14 06:05:30 +00:00
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#include "content/public/common/content_paths.h"
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2018-10-01 20:00:53 +00:00
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#include "electron/buildflags/buildflags.h"
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2020-02-04 20:19:40 +00:00
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#include "shell/common/electron_command_line.h"
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2019-09-06 05:52:54 +00:00
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#include "shell/common/gin_converters/file_path_converter.h"
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#include "shell/common/gin_helper/dictionary.h"
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#include "shell/common/gin_helper/event_emitter_caller.h"
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2019-10-31 07:56:00 +00:00
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#include "shell/common/gin_helper/locker.h"
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2020-06-17 17:08:10 +00:00
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#include "shell/common/gin_helper/microtasks_scope.h"
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2019-07-09 09:56:40 +00:00
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#include "shell/common/mac/main_application_bundle.h"
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2019-06-19 20:46:59 +00:00
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#include "shell/common/node_includes.h"
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2013-04-13 10:39:09 +00:00
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2020-02-14 11:25:39 +00:00
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#define ELECTRON_BUILTIN_MODULES(V) \
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V(electron_browser_app) \
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V(electron_browser_auto_updater) \
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V(electron_browser_browser_view) \
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V(electron_browser_content_tracing) \
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2020-05-07 20:31:26 +00:00
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V(electron_browser_crash_reporter) \
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2020-02-14 11:25:39 +00:00
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V(electron_browser_dialog) \
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V(electron_browser_event) \
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2020-03-18 19:57:08 +00:00
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V(electron_browser_event_emitter) \
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2020-02-14 11:25:39 +00:00
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V(electron_browser_global_shortcut) \
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V(electron_browser_in_app_purchase) \
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V(electron_browser_menu) \
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2020-03-12 01:07:54 +00:00
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V(electron_browser_message_port) \
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2020-02-14 11:25:39 +00:00
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V(electron_browser_net) \
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V(electron_browser_power_monitor) \
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V(electron_browser_power_save_blocker) \
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V(electron_browser_protocol) \
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V(electron_browser_session) \
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V(electron_browser_system_preferences) \
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2020-06-29 07:06:20 +00:00
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V(electron_browser_base_window) \
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2020-02-14 11:25:39 +00:00
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V(electron_browser_tray) \
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2020-05-07 20:31:26 +00:00
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V(electron_browser_view) \
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2020-02-14 11:25:39 +00:00
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V(electron_browser_web_contents) \
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V(electron_browser_web_contents_view) \
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V(electron_browser_web_view_manager) \
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V(electron_browser_window) \
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V(electron_common_asar) \
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V(electron_common_clipboard) \
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V(electron_common_command_line) \
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V(electron_common_features) \
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V(electron_common_native_image) \
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V(electron_common_native_theme) \
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V(electron_common_notification) \
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V(electron_common_screen) \
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V(electron_common_shell) \
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V(electron_common_v8_util) \
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V(electron_renderer_context_bridge) \
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2020-05-07 20:31:26 +00:00
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V(electron_renderer_crash_reporter) \
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2020-02-14 11:25:39 +00:00
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V(electron_renderer_ipc) \
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V(electron_renderer_web_frame)
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2018-01-06 15:58:24 +00:00
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2020-03-28 06:44:57 +00:00
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#define ELECTRON_VIEWS_MODULES(V) V(electron_browser_image_view)
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2018-05-24 06:35:50 +00:00
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2020-02-14 11:25:39 +00:00
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#define ELECTRON_DESKTOP_CAPTURER_MODULE(V) V(electron_browser_desktop_capturer)
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2018-06-13 16:15:34 +00:00
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2018-01-06 15:58:24 +00:00
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// This is used to load built-in modules. Instead of using
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// __attribute__((constructor)), we call the _register_<modname>
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// function for each built-in modules explicitly. This is only
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// forward declaration. The definitions are in each module's
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2019-03-08 18:29:52 +00:00
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// implementation when calling the NODE_LINKED_MODULE_CONTEXT_AWARE.
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2018-01-06 15:58:24 +00:00
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#define V(modname) void _register_##modname();
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ELECTRON_BUILTIN_MODULES(V)
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2020-03-28 06:44:57 +00:00
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#if BUILDFLAG(ENABLE_VIEWS_API)
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ELECTRON_VIEWS_MODULES(V)
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2018-05-24 06:35:50 +00:00
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#endif
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2018-10-01 20:00:53 +00:00
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#if BUILDFLAG(ENABLE_DESKTOP_CAPTURER)
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2018-06-13 16:15:34 +00:00
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ELECTRON_DESKTOP_CAPTURER_MODULE(V)
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#endif
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2018-01-06 15:58:24 +00:00
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#undef V
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2014-06-29 10:12:46 +00:00
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2018-01-04 19:16:06 +00:00
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namespace {
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void stop_and_close_uv_loop(uv_loop_t* loop) {
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uv_stop(loop);
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2020-07-08 18:00:43 +00:00
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int error = uv_loop_close(loop);
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while (error) {
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uv_run(loop, UV_RUN_DEFAULT);
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uv_stop(loop);
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uv_walk(
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loop,
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[](uv_handle_t* handle, void*) {
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if (!uv_is_closing(handle)) {
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uv_close(handle, nullptr);
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}
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},
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nullptr);
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uv_run(loop, UV_RUN_DEFAULT);
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error = uv_loop_close(loop);
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}
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2018-01-04 19:16:06 +00:00
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2020-07-08 18:00:43 +00:00
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DCHECK_EQ(error, 0);
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2018-01-04 19:16:06 +00:00
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}
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2018-06-13 07:38:31 +00:00
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bool g_is_initialized = false;
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2019-11-02 01:06:15 +00:00
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bool IsPackagedApp() {
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base::FilePath exe_path;
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base::PathService::Get(base::FILE_EXE, &exe_path);
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base::FilePath::StringType base_name =
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base::ToLowerASCII(exe_path.BaseName().value());
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#if defined(OS_WIN)
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return base_name != FILE_PATH_LITERAL("electron.exe");
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#else
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return base_name != FILE_PATH_LITERAL("electron");
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#endif
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}
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2020-02-07 02:59:38 +00:00
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// Initialize Node.js cli options to pass to Node.js
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// See https://nodejs.org/api/cli.html#cli_options
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void SetNodeCliFlags() {
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// Only allow DebugOptions in non-ELECTRON_RUN_AS_NODE mode
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const std::unordered_set<base::StringPiece, base::StringPieceHash> allowed = {
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"--inspect", "--inspect-brk",
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"--inspect-port", "--debug",
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"--debug-brk", "--debug-port",
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"--inspect-brk-node", "--inspect-publish-uid",
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};
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const auto argv = base::CommandLine::ForCurrentProcess()->argv();
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std::vector<std::string> args;
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// TODO(codebytere): We need to set the first entry in args to the
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// process name owing to src/node_options-inl.h#L286-L290 but this is
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// redundant and so should be refactored upstream.
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args.reserve(argv.size() + 1);
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args.emplace_back("electron");
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for (const auto& arg : argv) {
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#if defined(OS_WIN)
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const auto& option = base::UTF16ToUTF8(arg);
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#else
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const auto& option = arg;
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#endif
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const auto stripped = base::StringPiece(option).substr(0, option.find('='));
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2020-02-09 18:42:02 +00:00
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// Only allow in no-op (--) option or DebugOptions
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if (allowed.count(stripped) != 0 || stripped == "--")
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2020-02-07 02:59:38 +00:00
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args.push_back(option);
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}
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std::vector<std::string> errors;
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const int exit_code = ProcessGlobalArgs(&args, nullptr, &errors,
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node::kDisallowedInEnvironment);
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2020-02-09 18:42:02 +00:00
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const std::string err_str = "Error parsing Node.js cli flags ";
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2020-02-07 02:59:38 +00:00
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if (exit_code != 0) {
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2020-02-09 18:42:02 +00:00
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LOG(ERROR) << err_str;
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} else if (!errors.empty()) {
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LOG(ERROR) << err_str << base::JoinString(errors, " ");
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2020-02-07 02:59:38 +00:00
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}
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2020-02-09 18:42:02 +00:00
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} // namespace
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2020-02-07 02:59:38 +00:00
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2019-11-02 01:06:15 +00:00
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// Initialize NODE_OPTIONS to pass to Node.js
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2020-02-07 02:59:38 +00:00
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// See https://nodejs.org/api/cli.html#cli_node_options_options
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2019-11-02 01:06:15 +00:00
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void SetNodeOptions(base::Environment* env) {
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// Options that are unilaterally disallowed
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const std::set<std::string> disallowed = {
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"--openssl-config", "--use-bundled-ca", "--use-openssl-ca",
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"--force-fips", "--enable-fips"};
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// Subset of options allowed in packaged apps
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2020-01-09 16:09:14 +00:00
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const std::set<std::string> allowed_in_packaged = {"--max-http-header-size",
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"--http-parser"};
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2019-11-02 01:06:15 +00:00
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if (env->HasVar("NODE_OPTIONS")) {
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std::string options;
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env->GetVar("NODE_OPTIONS", &options);
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std::vector<std::string> parts = base::SplitString(
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options, " ", base::TRIM_WHITESPACE, base::SPLIT_WANT_NONEMPTY);
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bool is_packaged_app = IsPackagedApp();
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for (const auto& part : parts) {
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// Strip off values passed to individual NODE_OPTIONs
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2020-02-07 02:59:38 +00:00
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std::string option = part.substr(0, part.find('='));
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2019-11-02 01:06:15 +00:00
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if (is_packaged_app &&
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allowed_in_packaged.find(option) == allowed_in_packaged.end()) {
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// Explicitly disallow majority of NODE_OPTIONS in packaged apps
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LOG(ERROR) << "Most NODE_OPTIONs are not supported in packaged apps."
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<< " See documentation for more details.";
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options.erase(options.find(option), part.length());
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} else if (disallowed.find(option) != disallowed.end()) {
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// Remove NODE_OPTIONS specifically disallowed for use in Node.js
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// through Electron owing to constraints like BoringSSL.
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LOG(ERROR) << "The NODE_OPTION " << option
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<< " is not supported in Electron";
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options.erase(options.find(option), part.length());
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}
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}
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// overwrite new NODE_OPTIONS without unsupported variables
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env->SetVar("NODE_OPTIONS", options);
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}
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}
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2018-01-04 19:16:06 +00:00
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} // namespace
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2019-06-19 21:23:04 +00:00
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namespace electron {
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2013-04-13 10:39:09 +00:00
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2013-07-22 06:58:25 +00:00
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namespace {
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2015-03-29 11:53:47 +00:00
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// Convert the given vector to an array of C-strings. The strings in the
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// returned vector are only guaranteed valid so long as the vector of strings
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// is not modified.
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2018-04-18 01:55:30 +00:00
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std::unique_ptr<const char* []> StringVectorToArgArray(
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2015-03-29 11:53:47 +00:00
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const std::vector<std::string>& vector) {
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2019-04-30 20:59:47 +00:00
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std::unique_ptr<const char*[]> array(new const char*[vector.size()]);
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2015-03-29 11:53:47 +00:00
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for (size_t i = 0; i < vector.size(); ++i) {
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array[i] = vector[i].c_str();
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}
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2016-03-08 14:28:53 +00:00
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return array;
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2015-03-29 11:53:47 +00:00
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}
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2019-07-09 09:56:40 +00:00
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base::FilePath GetResourcesPath() {
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#if defined(OS_MACOSX)
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return MainApplicationBundlePath().Append("Contents").Append("Resources");
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#else
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2018-04-17 22:41:47 +00:00
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auto* command_line = base::CommandLine::ForCurrentProcess();
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2015-03-29 11:59:16 +00:00
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base::FilePath exec_path(command_line->GetProgram());
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2018-09-15 00:09:42 +00:00
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base::PathService::Get(base::FILE_EXE, &exec_path);
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2015-03-29 11:59:16 +00:00
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2019-07-09 09:56:40 +00:00
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return exec_path.DirName().Append(FILE_PATH_LITERAL("resources"));
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2015-02-13 05:32:58 +00:00
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#endif
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}
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2013-07-22 06:58:25 +00:00
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} // namespace
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2017-03-08 08:33:44 +00:00
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NodeBindings::NodeBindings(BrowserEnvironment browser_env)
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2018-05-21 22:18:38 +00:00
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: browser_env_(browser_env), weak_factory_(this) {
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2019-05-03 18:11:41 +00:00
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if (browser_env == BrowserEnvironment::WORKER) {
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2018-01-04 19:16:06 +00:00
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uv_loop_init(&worker_loop_);
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uv_loop_ = &worker_loop_;
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} else {
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uv_loop_ = uv_default_loop();
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}
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2013-04-13 10:39:09 +00:00
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}
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NodeBindings::~NodeBindings() {
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2013-11-11 08:57:40 +00:00
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// Quit the embed thread.
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2013-07-22 06:58:25 +00:00
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embed_closed_ = true;
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2013-11-11 08:57:40 +00:00
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uv_sem_post(&embed_sem_);
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2020-07-08 18:00:43 +00:00
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2013-07-23 08:55:09 +00:00
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WakeupEmbedThread();
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2013-11-11 08:57:40 +00:00
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// Wait for everything to be done.
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2013-07-22 06:58:25 +00:00
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uv_thread_join(&embed_thread_);
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2013-11-11 08:57:40 +00:00
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// Clear uv.
|
2013-07-22 06:58:25 +00:00
|
|
|
uv_sem_destroy(&embed_sem_);
|
2017-02-28 01:58:52 +00:00
|
|
|
uv_close(reinterpret_cast<uv_handle_t*>(&dummy_uv_handle_), nullptr);
|
2017-03-10 08:07:51 +00:00
|
|
|
|
2018-01-04 19:16:06 +00:00
|
|
|
// Clean up worker loop
|
2020-07-08 18:00:43 +00:00
|
|
|
if (in_worker_loop())
|
2018-01-04 19:16:06 +00:00
|
|
|
stop_and_close_uv_loop(uv_loop_);
|
2013-04-13 10:39:09 +00:00
|
|
|
}
|
|
|
|
|
2018-01-06 15:58:24 +00:00
|
|
|
void NodeBindings::RegisterBuiltinModules() {
|
|
|
|
#define V(modname) _register_##modname();
|
|
|
|
ELECTRON_BUILTIN_MODULES(V)
|
2020-03-28 06:44:57 +00:00
|
|
|
#if BUILDFLAG(ENABLE_VIEWS_API)
|
|
|
|
ELECTRON_VIEWS_MODULES(V)
|
2018-05-24 06:35:50 +00:00
|
|
|
#endif
|
2018-10-01 20:00:53 +00:00
|
|
|
#if BUILDFLAG(ENABLE_DESKTOP_CAPTURER)
|
2018-06-13 16:15:34 +00:00
|
|
|
ELECTRON_DESKTOP_CAPTURER_MODULE(V)
|
|
|
|
#endif
|
2018-01-06 15:58:24 +00:00
|
|
|
#undef V
|
|
|
|
}
|
|
|
|
|
2018-06-13 07:38:31 +00:00
|
|
|
bool NodeBindings::IsInitialized() {
|
|
|
|
return g_is_initialized;
|
|
|
|
}
|
|
|
|
|
2013-04-13 10:39:09 +00:00
|
|
|
void NodeBindings::Initialize() {
|
2019-04-29 22:28:30 +00:00
|
|
|
TRACE_EVENT0("electron", "NodeBindings::Initialize");
|
2013-12-15 06:20:28 +00:00
|
|
|
// Open node's error reporting system for browser process.
|
|
|
|
node::g_upstream_node_mode = false;
|
2013-07-01 13:44:25 +00:00
|
|
|
|
2015-06-19 14:56:10 +00:00
|
|
|
#if defined(OS_LINUX)
|
|
|
|
// Get real command line in renderer process forked by zygote.
|
2019-05-03 18:11:41 +00:00
|
|
|
if (browser_env_ != BrowserEnvironment::BROWSER)
|
2020-02-04 20:19:40 +00:00
|
|
|
ElectronCommandLine::InitializeFromCommandLine();
|
2015-06-19 14:56:10 +00:00
|
|
|
#endif
|
|
|
|
|
2018-01-06 15:58:24 +00:00
|
|
|
// Explicitly register electron's builtin modules.
|
|
|
|
RegisterBuiltinModules();
|
|
|
|
|
2020-02-07 02:59:38 +00:00
|
|
|
// Parse and set Node.js cli flags.
|
|
|
|
SetNodeCliFlags();
|
|
|
|
|
2018-10-18 23:57:28 +00:00
|
|
|
// pass non-null program name to argv so it doesn't crash
|
|
|
|
// trying to index into a nullptr
|
|
|
|
int argc = 1;
|
2018-09-18 00:48:10 +00:00
|
|
|
int exec_argc = 0;
|
2018-10-18 23:57:28 +00:00
|
|
|
const char* prog_name = "electron";
|
|
|
|
const char** argv = &prog_name;
|
2018-09-18 00:48:10 +00:00
|
|
|
const char** exec_argv = nullptr;
|
2018-10-18 23:57:28 +00:00
|
|
|
|
|
|
|
std::unique_ptr<base::Environment> env(base::Environment::Create());
|
2019-11-02 01:06:15 +00:00
|
|
|
SetNodeOptions(env.get());
|
2018-10-18 23:57:28 +00:00
|
|
|
|
|
|
|
// TODO(codebytere): this is going to be deprecated in the near future
|
|
|
|
// in favor of Init(std::vector<std::string>* argv,
|
|
|
|
// std::vector<std::string>* exec_argv)
|
2018-09-18 00:48:10 +00:00
|
|
|
node::Init(&argc, argv, &exec_argc, &exec_argv);
|
2015-11-06 10:51:34 +00:00
|
|
|
|
|
|
|
#if defined(OS_WIN)
|
|
|
|
// uv_init overrides error mode to suppress the default crash dialog, bring
|
|
|
|
// it back if user wants to show it.
|
2019-05-03 18:11:41 +00:00
|
|
|
if (browser_env_ == BrowserEnvironment::BROWSER ||
|
|
|
|
env->HasVar("ELECTRON_DEFAULT_ERROR_MODE"))
|
2016-09-16 21:01:33 +00:00
|
|
|
SetErrorMode(GetErrorMode() & ~SEM_NOGPFAULTERRORBOX);
|
2015-11-06 10:51:34 +00:00
|
|
|
#endif
|
2018-06-13 07:38:31 +00:00
|
|
|
|
|
|
|
g_is_initialized = true;
|
2013-12-15 06:20:28 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
node::Environment* NodeBindings::CreateEnvironment(
|
2018-01-31 07:09:13 +00:00
|
|
|
v8::Handle<v8::Context> context,
|
2020-02-25 16:46:08 +00:00
|
|
|
node::MultiIsolatePlatform* platform) {
|
2018-01-22 22:49:30 +00:00
|
|
|
#if defined(OS_WIN)
|
2020-02-04 20:19:40 +00:00
|
|
|
auto& atom_args = ElectronCommandLine::argv();
|
2018-01-22 22:49:30 +00:00
|
|
|
std::vector<std::string> args(atom_args.size());
|
|
|
|
std::transform(atom_args.cbegin(), atom_args.cend(), args.begin(),
|
|
|
|
[](auto& a) { return base::WideToUTF8(a); });
|
|
|
|
#else
|
2020-02-04 20:19:40 +00:00
|
|
|
auto args = ElectronCommandLine::argv();
|
2018-01-22 22:49:30 +00:00
|
|
|
#endif
|
2013-04-13 10:39:09 +00:00
|
|
|
|
2013-12-11 15:59:03 +00:00
|
|
|
// Feed node the path to initialization script.
|
2019-06-04 00:03:59 +00:00
|
|
|
std::string process_type;
|
2017-03-08 08:33:44 +00:00
|
|
|
switch (browser_env_) {
|
2019-05-03 18:11:41 +00:00
|
|
|
case BrowserEnvironment::BROWSER:
|
2019-06-04 00:03:59 +00:00
|
|
|
process_type = "browser";
|
2017-03-08 08:33:44 +00:00
|
|
|
break;
|
2019-05-03 18:11:41 +00:00
|
|
|
case BrowserEnvironment::RENDERER:
|
2019-06-04 00:03:59 +00:00
|
|
|
process_type = "renderer";
|
2017-03-08 08:33:44 +00:00
|
|
|
break;
|
2019-05-03 18:11:41 +00:00
|
|
|
case BrowserEnvironment::WORKER:
|
2019-06-04 00:03:59 +00:00
|
|
|
process_type = "worker";
|
2017-03-08 08:33:44 +00:00
|
|
|
break;
|
|
|
|
}
|
2019-07-16 01:58:39 +00:00
|
|
|
|
2019-09-06 05:52:54 +00:00
|
|
|
gin_helper::Dictionary global(context->GetIsolate(), context->Global());
|
2019-07-16 01:58:39 +00:00
|
|
|
// Do not set DOM globals for renderer process.
|
|
|
|
// We must set this before the node bootstrapper which is run inside
|
|
|
|
// CreateEnvironment
|
|
|
|
if (browser_env_ != BrowserEnvironment::BROWSER)
|
|
|
|
global.Set("_noBrowserGlobals", true);
|
|
|
|
|
2019-07-09 09:56:40 +00:00
|
|
|
base::FilePath resources_path = GetResourcesPath();
|
2019-06-04 00:03:59 +00:00
|
|
|
std::string init_script = "electron/js2c/" + process_type + "_init";
|
|
|
|
|
|
|
|
args.insert(args.begin() + 1, init_script);
|
2013-12-11 15:59:03 +00:00
|
|
|
|
2019-04-30 20:59:47 +00:00
|
|
|
std::unique_ptr<const char*[]> c_argv = StringVectorToArgArray(args);
|
2019-11-02 22:14:11 +00:00
|
|
|
isolate_data_ =
|
|
|
|
node::CreateIsolateData(context->GetIsolate(), uv_loop_, platform);
|
2020-02-25 16:46:08 +00:00
|
|
|
node::Environment* env = node::CreateEnvironment(
|
|
|
|
isolate_data_, context, args.size(), c_argv.get(), 0, nullptr);
|
2019-07-16 01:58:39 +00:00
|
|
|
DCHECK(env);
|
|
|
|
|
|
|
|
// Clean up the global _noBrowserGlobals that we unironically injected into
|
|
|
|
// the global scope
|
2019-07-18 23:54:23 +00:00
|
|
|
if (browser_env_ != BrowserEnvironment::BROWSER) {
|
|
|
|
// We need to bootstrap the env in non-browser processes so that
|
|
|
|
// _noBrowserGlobals is read correctly before we remove it
|
2019-07-16 01:58:39 +00:00
|
|
|
global.Delete("_noBrowserGlobals");
|
2019-07-18 23:54:23 +00:00
|
|
|
}
|
2015-02-13 05:32:58 +00:00
|
|
|
|
2020-07-20 19:41:52 +00:00
|
|
|
node::IsolateSettings is;
|
|
|
|
|
2019-05-03 18:11:41 +00:00
|
|
|
if (browser_env_ == BrowserEnvironment::BROWSER) {
|
2020-07-20 19:41:52 +00:00
|
|
|
// Node.js requires that microtask checkpoints be explicitly invoked.
|
|
|
|
is.policy = v8::MicrotasksPolicy::kExplicit;
|
2017-01-25 17:24:24 +00:00
|
|
|
} else {
|
2020-04-27 08:03:40 +00:00
|
|
|
// Match Blink's behavior by allowing microtasks invocation to be controlled
|
|
|
|
// by MicrotasksScope objects.
|
2020-07-20 19:41:52 +00:00
|
|
|
is.policy = v8::MicrotasksPolicy::kScoped;
|
|
|
|
|
|
|
|
// We do not want to use Node.js' message listener as it interferes with
|
|
|
|
// Blink's.
|
|
|
|
is.flags &= ~node::IsolateSettingsFlags::MESSAGE_LISTENER_WITH_ERROR_LEVEL;
|
|
|
|
|
|
|
|
// We do not want to use the promise rejection callback that Node.js uses,
|
|
|
|
// because it does not send PromiseRejectionEvents to the global script
|
|
|
|
// context. We need to use the one Blink already provides.
|
|
|
|
is.flags &=
|
|
|
|
~node::IsolateSettingsFlags::SHOULD_SET_PROMISE_REJECTION_CALLBACK;
|
2016-08-22 10:34:59 +00:00
|
|
|
}
|
2016-08-03 08:57:10 +00:00
|
|
|
|
2020-04-27 08:03:40 +00:00
|
|
|
// This needs to be called before the inspector is initialized.
|
|
|
|
env->InitializeDiagnostics();
|
|
|
|
|
2020-07-20 19:41:52 +00:00
|
|
|
node::SetIsolateUpForNode(context->GetIsolate(), is);
|
2020-04-27 08:03:40 +00:00
|
|
|
|
2019-09-06 05:52:54 +00:00
|
|
|
gin_helper::Dictionary process(context->GetIsolate(), env->process_object());
|
2018-11-08 14:28:06 +00:00
|
|
|
process.SetReadOnly("type", process_type);
|
2015-02-13 05:32:58 +00:00
|
|
|
process.Set("resourcesPath", resources_path);
|
2015-04-14 06:05:30 +00:00
|
|
|
// The path to helper app.
|
|
|
|
base::FilePath helper_exec_path;
|
2018-09-15 00:09:42 +00:00
|
|
|
base::PathService::Get(content::CHILD_PROCESS_EXE, &helper_exec_path);
|
2015-04-14 06:05:30 +00:00
|
|
|
process.Set("helperExecPath", helper_exec_path);
|
2016-08-26 19:06:15 +00:00
|
|
|
|
2015-02-13 05:32:58 +00:00
|
|
|
return env;
|
2013-04-20 03:13:06 +00:00
|
|
|
}
|
|
|
|
|
2015-01-21 22:00:19 +00:00
|
|
|
void NodeBindings::LoadEnvironment(node::Environment* env) {
|
|
|
|
node::LoadEnvironment(env);
|
2019-09-06 05:52:54 +00:00
|
|
|
gin_helper::EmitEvent(env->isolate(), env->process_object(), "loaded");
|
2015-01-21 22:00:19 +00:00
|
|
|
}
|
|
|
|
|
2013-07-22 06:58:25 +00:00
|
|
|
void NodeBindings::PrepareMessageLoop() {
|
|
|
|
// Add dummy handle for libuv, otherwise libuv would quit when there is
|
|
|
|
// nothing to do.
|
2016-08-03 11:48:41 +00:00
|
|
|
uv_async_init(uv_loop_, &dummy_uv_handle_, nullptr);
|
2013-07-22 06:58:25 +00:00
|
|
|
|
|
|
|
// Start worker that will interrupt main loop when having uv events.
|
|
|
|
uv_sem_init(&embed_sem_, 0);
|
|
|
|
uv_thread_create(&embed_thread_, EmbedThreadRunner, this);
|
|
|
|
}
|
|
|
|
|
|
|
|
void NodeBindings::RunMessageLoop() {
|
|
|
|
// The MessageLoop should have been created, remember the one in main thread.
|
2016-11-30 07:30:03 +00:00
|
|
|
task_runner_ = base::ThreadTaskRunnerHandle::Get();
|
2013-07-22 06:58:25 +00:00
|
|
|
|
|
|
|
// Run uv loop for once to give the uv__io_poll a chance to add all events.
|
|
|
|
UvRunOnce();
|
|
|
|
}
|
|
|
|
|
|
|
|
void NodeBindings::UvRunOnce() {
|
2016-03-27 10:21:12 +00:00
|
|
|
node::Environment* env = uv_env();
|
2014-01-27 07:14:11 +00:00
|
|
|
|
2017-03-28 08:19:14 +00:00
|
|
|
// When doing navigation without restarting renderer process, it may happen
|
|
|
|
// that the node environment is destroyed but the message loop is still there.
|
|
|
|
// In this case we should not run uv loop.
|
|
|
|
if (!env)
|
|
|
|
return;
|
|
|
|
|
2014-06-28 14:33:00 +00:00
|
|
|
// Use Locker in browser process.
|
2019-10-31 07:56:00 +00:00
|
|
|
gin_helper::Locker locker(env->isolate());
|
2014-06-28 14:33:00 +00:00
|
|
|
v8::HandleScope handle_scope(env->isolate());
|
2014-01-09 13:35:29 +00:00
|
|
|
|
2014-06-28 14:33:00 +00:00
|
|
|
// Enter node context while dealing with uv events.
|
2014-01-09 13:35:29 +00:00
|
|
|
v8::Context::Scope context_scope(env->context());
|
2013-07-22 06:58:25 +00:00
|
|
|
|
2015-08-07 07:10:14 +00:00
|
|
|
// Perform microtask checkpoint after running JavaScript.
|
2020-06-17 17:08:10 +00:00
|
|
|
gin_helper::MicrotasksScope microtasks_scope(env->isolate());
|
2015-08-07 07:10:14 +00:00
|
|
|
|
2019-05-03 18:11:41 +00:00
|
|
|
if (browser_env_ != BrowserEnvironment::BROWSER)
|
2016-12-12 21:49:58 +00:00
|
|
|
TRACE_EVENT_BEGIN0("devtools.timeline", "FunctionCall");
|
2016-12-07 11:22:08 +00:00
|
|
|
|
2013-07-22 06:58:25 +00:00
|
|
|
// Deal with uv events.
|
2015-01-13 00:17:44 +00:00
|
|
|
int r = uv_run(uv_loop_, UV_RUN_NOWAIT);
|
2016-12-07 11:22:08 +00:00
|
|
|
|
2019-05-03 18:11:41 +00:00
|
|
|
if (browser_env_ != BrowserEnvironment::BROWSER)
|
2016-12-07 11:22:08 +00:00
|
|
|
TRACE_EVENT_END0("devtools.timeline", "FunctionCall");
|
|
|
|
|
2016-08-03 11:52:17 +00:00
|
|
|
if (r == 0)
|
2016-11-30 07:30:03 +00:00
|
|
|
base::RunLoop().QuitWhenIdle(); // Quit from uv.
|
2013-07-22 06:58:25 +00:00
|
|
|
|
|
|
|
// Tell the worker thread to continue polling.
|
|
|
|
uv_sem_post(&embed_sem_);
|
|
|
|
}
|
|
|
|
|
|
|
|
void NodeBindings::WakeupMainThread() {
|
2016-11-30 07:30:03 +00:00
|
|
|
DCHECK(task_runner_);
|
2018-04-20 10:55:05 +00:00
|
|
|
task_runner_->PostTask(FROM_HERE, base::BindOnce(&NodeBindings::UvRunOnce,
|
|
|
|
weak_factory_.GetWeakPtr()));
|
2013-07-22 06:58:25 +00:00
|
|
|
}
|
|
|
|
|
2013-07-23 05:08:40 +00:00
|
|
|
void NodeBindings::WakeupEmbedThread() {
|
2020-07-08 18:00:43 +00:00
|
|
|
if (!in_worker_loop())
|
|
|
|
uv_async_send(&dummy_uv_handle_);
|
2013-07-23 05:08:40 +00:00
|
|
|
}
|
|
|
|
|
2013-07-22 06:58:25 +00:00
|
|
|
// static
|
2018-04-18 01:55:30 +00:00
|
|
|
void NodeBindings::EmbedThreadRunner(void* arg) {
|
2013-07-22 06:58:25 +00:00
|
|
|
NodeBindings* self = static_cast<NodeBindings*>(arg);
|
|
|
|
|
2014-01-08 02:30:30 +00:00
|
|
|
while (true) {
|
2013-07-22 06:58:25 +00:00
|
|
|
// Wait for the main loop to deal with events.
|
|
|
|
uv_sem_wait(&self->embed_sem_);
|
2014-01-08 02:30:30 +00:00
|
|
|
if (self->embed_closed_)
|
|
|
|
break;
|
|
|
|
|
|
|
|
// Wait for something to happen in uv loop.
|
|
|
|
// Note that the PollEvents() is implemented by derived classes, so when
|
|
|
|
// this class is being destructed the PollEvents() would not be available
|
|
|
|
// anymore. Because of it we must make sure we only invoke PollEvents()
|
|
|
|
// when this class is alive.
|
2013-07-22 06:58:25 +00:00
|
|
|
self->PollEvents();
|
2014-01-08 02:30:30 +00:00
|
|
|
if (self->embed_closed_)
|
|
|
|
break;
|
2013-07-22 06:58:25 +00:00
|
|
|
|
|
|
|
// Deal with event in main thread.
|
|
|
|
self->WakeupMainThread();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2019-06-19 21:23:04 +00:00
|
|
|
} // namespace electron
|