| // Copyright (c) 2010 The Chromium OS Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <string> |
| #include <tr1/memory> |
| #include <vector> |
| |
| #include <gflags/gflags.h> |
| #include <glib.h> |
| |
| #include "base/command_line.h" |
| #include "chromeos/obsolete_logging.h" |
| #include "metrics/metrics_library.h" |
| #include "update_engine/dbus_constants.h" |
| #include "update_engine/dbus_service.h" |
| #include "update_engine/update_attempter.h" |
| |
| extern "C" { |
| #include "update_engine/update_engine.dbusserver.h" |
| } |
| |
| DEFINE_bool(logtostderr, false, |
| "Write logs to stderr instead of to a file in log_dir."); |
| DEFINE_bool(foreground, false, |
| "Don't daemon()ize; run in foreground."); |
| |
| using std::string; |
| using std::tr1::shared_ptr; |
| using std::vector; |
| |
| namespace chromeos_update_engine { |
| |
| namespace { |
| |
| struct PeriodicallyUpdateArgs { |
| UpdateAttempter* update_attempter; |
| gboolean should_repeat; |
| }; |
| |
| gboolean PeriodicallyUpdate(void* arg) { |
| PeriodicallyUpdateArgs* args = reinterpret_cast<PeriodicallyUpdateArgs*>(arg); |
| args->update_attempter->Update(); |
| return args->should_repeat; |
| } |
| |
| void SetupDbusService(UpdateEngineService* service) { |
| DBusGConnection *bus; |
| DBusGProxy *proxy; |
| GError *error = NULL; |
| |
| bus = dbus_g_bus_get(DBUS_BUS_SYSTEM, &error); |
| if (!bus) { |
| LOG(FATAL) << "Failed to get bus"; |
| } |
| proxy = dbus_g_proxy_new_for_name(bus, |
| DBUS_SERVICE_DBUS, |
| DBUS_PATH_DBUS, |
| DBUS_INTERFACE_DBUS); |
| |
| guint32 request_name_ret; |
| if (!org_freedesktop_DBus_request_name(proxy, |
| kUpdateEngineServiceName, |
| 0, |
| &request_name_ret, |
| &error)) { |
| LOG(FATAL) << "Failed to get name: " << error->message; |
| } |
| if (request_name_ret != DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER) { |
| g_warning("Got result code %u from requesting name", request_name_ret); |
| g_error_free(error); |
| LOG(FATAL) << "Got result code " << request_name_ret |
| << " from requesting name, but expected " |
| << DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER; |
| } |
| dbus_g_connection_register_g_object(bus, |
| "/org/chromium/UpdateEngine", |
| G_OBJECT(service)); |
| } |
| |
| } // namespace {} |
| |
| } // namespace chromeos_update_engine |
| |
| #include "update_engine/subprocess.h" |
| |
| int main(int argc, char** argv) { |
| ::g_type_init(); |
| g_thread_init(NULL); |
| dbus_g_thread_init(); |
| chromeos_update_engine::Subprocess::Init(); |
| google::ParseCommandLineFlags(&argc, &argv, true); |
| CommandLine::Init(argc, argv); |
| logging::InitLogging("/var/log/update_engine.log", |
| (FLAGS_logtostderr ? |
| logging::LOG_ONLY_TO_SYSTEM_DEBUG_LOG : |
| logging::LOG_ONLY_TO_FILE), |
| logging::DONT_LOCK_LOG_FILE, |
| logging::APPEND_TO_OLD_LOG_FILE); |
| if (!FLAGS_foreground) |
| PLOG_IF(FATAL, daemon(0, 0) == 1) << "daemon() failed"; |
| |
| LOG(INFO) << "Chrome OS Update Engine starting"; |
| |
| // Create the single GMainLoop |
| GMainLoop* loop = g_main_loop_new(g_main_context_default(), FALSE); |
| |
| MetricsLibrary metrics_lib; |
| metrics_lib.Init(); |
| |
| // Create the update attempter: |
| chromeos_update_engine::UpdateAttempter update_attempter(&metrics_lib); |
| |
| // Create the dbus service object: |
| dbus_g_object_type_install_info(UPDATE_ENGINE_TYPE_SERVICE, |
| &dbus_glib_update_engine_service_object_info); |
| UpdateEngineService* service = |
| UPDATE_ENGINE_SERVICE(g_object_new(UPDATE_ENGINE_TYPE_SERVICE, NULL)); |
| service->update_attempter_ = &update_attempter; |
| update_attempter.set_dbus_service(service); |
| chromeos_update_engine::SetupDbusService(service); |
| |
| // Kick off periodic updating. First, update after 2 minutes. Also, update |
| // every 30 minutes. |
| chromeos_update_engine::PeriodicallyUpdateArgs two_min_args = |
| {&update_attempter, FALSE}; |
| g_timeout_add(2 * 60 * 1000, |
| &chromeos_update_engine::PeriodicallyUpdate, |
| &two_min_args); |
| |
| chromeos_update_engine::PeriodicallyUpdateArgs thirty_min_args = |
| {&update_attempter, TRUE}; |
| g_timeout_add(30 * 60 * 1000, |
| &chromeos_update_engine::PeriodicallyUpdate, |
| &thirty_min_args); |
| |
| // Run the main loop until exit time: |
| g_main_loop_run(loop); |
| |
| // Cleanup: |
| g_main_loop_unref(loop); |
| update_attempter.set_dbus_service(NULL); |
| g_object_unref(G_OBJECT(service)); |
| |
| LOG(INFO) << "Chrome OS Update Engine terminating"; |
| return 0; |
| } |