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- // 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.
- #include "chromecast/app/cast_main_delegate.h"
- #include <algorithm>
- #include <string>
- #include <tuple>
- #include <vector>
- #include "base/command_line.h"
- #include "base/cpu.h"
- #include "base/debug/leak_annotations.h"
- #include "base/files/file.h"
- #include "base/files/file_enumerator.h"
- #include "base/files/file_util.h"
- #include "base/logging.h"
- #include "base/metrics/field_trial.h"
- #include "base/no_destructor.h"
- #include "base/path_service.h"
- #include "base/posix/global_descriptors.h"
- #include "build/build_config.h"
- #include "chromecast/base/cast_paths.h"
- #include "chromecast/base/chromecast_switches.h"
- #include "chromecast/base/process_types.h"
- #include "chromecast/browser/cast_content_browser_client.h"
- #include "chromecast/browser/cast_feature_list_creator.h"
- #include "chromecast/chromecast_buildflags.h"
- #include "chromecast/common/cast_resource_delegate.h"
- #include "chromecast/common/global_descriptors.h"
- #include "chromecast/gpu/cast_content_gpu_client.h"
- #include "chromecast/renderer/cast_content_renderer_client.h"
- #include "chromecast/utility/cast_content_utility_client.h"
- #include "components/crash/core/app/crash_reporter_client.h"
- #include "components/crash/core/common/crash_key.h"
- #include "content/public/browser/browser_main_runner.h"
- #include "content/public/common/content_switches.h"
- #include "third_party/abseil-cpp/absl/types/variant.h"
- #include "ui/base/resource/resource_bundle.h"
- #if BUILDFLAG(IS_ANDROID)
- #include "base/android/apk_assets.h"
- #include "chromecast/app/android/cast_crash_reporter_client_android.h"
- #include "chromecast/app/android/crash_handler.h"
- #include "ui/base/resource/resource_bundle_android.h"
- #elif BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
- #include "chromecast/app/linux/cast_crash_reporter_client.h"
- #include "sandbox/policy/switches.h"
- #endif // BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
- namespace {
- #if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
- chromecast::CastCrashReporterClient* GetCastCrashReporter() {
- static base::NoDestructor<chromecast::CastCrashReporterClient>
- crash_reporter_client;
- return crash_reporter_client.get();
- }
- #endif // BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
- #if BUILDFLAG(IS_ANDROID)
- const int kMaxCrashFiles = 10;
- #endif // BUILDFLAG(IS_ANDROID)
- } // namespace
- namespace chromecast {
- namespace shell {
- CastMainDelegate::CastMainDelegate() {}
- CastMainDelegate::~CastMainDelegate() {}
- absl::optional<int> CastMainDelegate::BasicStartupComplete() {
- RegisterPathProvider();
- logging::LoggingSettings settings;
- settings.logging_dest =
- logging::LOG_TO_SYSTEM_DEBUG_LOG | logging::LOG_TO_STDERR;
- const base::CommandLine* command_line(base::CommandLine::ForCurrentProcess());
- std::string process_type =
- command_line->GetSwitchValueASCII(switches::kProcessType);
- // Must be created outside of the if scope below to avoid lifetime concerns.
- std::string log_path_as_string;
- if (command_line->HasSwitch(switches::kLogFile)) {
- auto file_path = command_line->GetSwitchValuePath(switches::kLogFile);
- DCHECK(!file_path.empty());
- log_path_as_string = file_path.value();
- settings.logging_dest = logging::LOG_TO_ALL;
- settings.log_file_path = log_path_as_string.c_str();
- settings.lock_log = logging::DONT_LOCK_LOG_FILE;
- // If this is the browser process, delete the old log file. Else, append to
- // it.
- settings.delete_old = process_type.empty()
- ? logging::DELETE_OLD_LOG_FILE
- : logging::APPEND_TO_OLD_LOG_FILE;
- }
- #if BUILDFLAG(IS_ANDROID)
- // Browser process logs are recorded for attaching with crash dumps.
- if (process_type.empty()) {
- base::FilePath log_file;
- base::PathService::Get(FILE_CAST_ANDROID_LOG, &log_file);
- settings.logging_dest =
- logging::LOG_TO_SYSTEM_DEBUG_LOG | logging::LOG_TO_STDERR;
- log_path_as_string = log_file.value();
- settings.log_file_path = log_path_as_string.c_str();
- settings.delete_old = logging::DELETE_OLD_LOG_FILE;
- }
- #endif // BUILDFLAG(IS_ANDROID)
- logging::InitLogging(settings);
- #if BUILDFLAG(IS_CAST_DESKTOP_BUILD)
- logging::SetLogItems(true, true, true, false);
- #else
- // Timestamp available through logcat -v time.
- logging::SetLogItems(true, true, false, false);
- #endif // BUILDFLAG(IS_CAST_DESKTOP_BUILD)
- #if BUILDFLAG(IS_ANDROID)
- // Only delete the old crash dumps if the current process is the browser
- // process. Empty |process_type| signifies browser process.
- if (process_type.empty()) {
- // Get a listing of all of the crash dump files.
- base::FilePath crash_directory;
- if (CastCrashReporterClientAndroid::GetCrashReportsLocation(
- process_type, &crash_directory)) {
- base::FileEnumerator crash_directory_list(crash_directory, false,
- base::FileEnumerator::FILES);
- std::vector<base::FilePath> crash_files;
- for (base::FilePath file = crash_directory_list.Next(); !file.empty();
- file = crash_directory_list.Next()) {
- crash_files.push_back(file);
- }
- // Delete crash dumps except for the |kMaxCrashFiles| most recent ones.
- if (crash_files.size() > kMaxCrashFiles) {
- auto newest_first =
- [](const base::FilePath& l, const base::FilePath& r) -> bool {
- base::File::Info l_info, r_info;
- base::GetFileInfo(l, &l_info);
- base::GetFileInfo(r, &r_info);
- return l_info.last_modified > r_info.last_modified;
- };
- std::partial_sort(crash_files.begin(),
- crash_files.begin() + kMaxCrashFiles,
- crash_files.end(), newest_first);
- for (auto file = crash_files.begin() + kMaxCrashFiles;
- file != crash_files.end(); ++file) {
- base::DeleteFile(*file);
- }
- }
- }
- }
- #endif // BUILDFLAG(IS_ANDROID)
- if (settings.logging_dest & logging::LOG_TO_FILE) {
- LOG(INFO) << "Logging to file: " << settings.log_file_path;
- }
- return absl::nullopt;
- }
- void CastMainDelegate::PreSandboxStartup() {
- #if defined(ARCH_CPU_ARM_FAMILY) && \
- (BUILDFLAG(IS_ANDROID) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS))
- // Create an instance of the CPU class to parse /proc/cpuinfo and cache the
- // results. This data needs to be cached when file-reading is still allowed,
- // since base::CPU expects to be callable later, when file-reading is no
- // longer allowed.
- base::CPU cpu_info;
- #endif
- const base::CommandLine* command_line(base::CommandLine::ForCurrentProcess());
- std::string process_type =
- command_line->GetSwitchValueASCII(switches::kProcessType);
- bool enable_crash_reporter = !command_line->HasSwitch(
- switches::kDisableCrashReporter);
- if (enable_crash_reporter) {
- // TODO(crbug.com/1226159): Complete crash reporting integration on Fuchsia.
- #if BUILDFLAG(IS_ANDROID)
- base::FilePath log_file;
- base::PathService::Get(FILE_CAST_ANDROID_LOG, &log_file);
- chromecast::CrashHandler::Initialize(process_type, log_file);
- #elif BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
- crash_reporter::SetCrashReporterClient(GetCastCrashReporter());
- if (process_type != switches::kZygoteProcess) {
- CastCrashReporterClient::InitCrashReporter(process_type);
- }
- #endif // BUILDFLAG(IS_ANDROID)
- crash_reporter::InitializeCrashKeys();
- }
- InitializeResourceBundle();
- }
- absl::variant<int, content::MainFunctionParams> CastMainDelegate::RunProcess(
- const std::string& process_type,
- content::MainFunctionParams main_function_params) {
- #if BUILDFLAG(IS_ANDROID)
- if (!process_type.empty())
- return std::move(main_function_params);
- // Note: Android must handle running its own browser process.
- // See ChromeMainDelegateAndroid::RunProcess.
- browser_runner_ = content::BrowserMainRunner::Create();
- int exit_code = browser_runner_->Initialize(std::move(main_function_params));
- // On Android we do not run BrowserMain(), so the above initialization of a
- // BrowserMainRunner is all we want to occur. Preserve any error codes > 0.
- if (exit_code > 0)
- return exit_code;
- return 0;
- #else
- return std::move(main_function_params);
- #endif // BUILDFLAG(IS_ANDROID)
- }
- #if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
- void CastMainDelegate::ZygoteForked() {
- const base::CommandLine* command_line(base::CommandLine::ForCurrentProcess());
- bool enable_crash_reporter = !command_line->HasSwitch(
- switches::kDisableCrashReporter);
- if (enable_crash_reporter) {
- std::string process_type =
- command_line->GetSwitchValueASCII(switches::kProcessType);
- CastCrashReporterClient::InitCrashReporter(process_type);
- }
- }
- #endif // BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
- bool CastMainDelegate::ShouldCreateFeatureList(InvokedIn invoked_in) {
- return absl::holds_alternative<InvokedInChildProcess>(invoked_in);
- }
- absl::optional<int> CastMainDelegate::PostEarlyInitialization(
- InvokedIn invoked_in) {
- if (ShouldCreateFeatureList(invoked_in)) {
- // content is handling the feature list.
- return absl::nullopt;
- }
- DCHECK(cast_feature_list_creator_);
- #if !BUILDFLAG(IS_ANDROID)
- // PrefService requires the home directory to be created before the pref store
- // can be initialized properly.
- base::FilePath home_dir;
- CHECK(base::PathService::Get(DIR_CAST_HOME, &home_dir));
- CHECK(base::CreateDirectory(home_dir));
- #endif // !BUILDFLAG(IS_ANDROID)
- // TODO(crbug/1249485): If we're able to create the MetricsStateManager
- // earlier, clean up the below if and else blocks and call
- // MetricsStateManager::InstantiateFieldTrialList().
- //
- // The FieldTrialList is a dependency of the feature list. In tests, it is
- // constructed as part of the test suite.
- const auto* invoked_in_browser =
- absl::get_if<InvokedInBrowserProcess>(&invoked_in);
- if (invoked_in_browser && invoked_in_browser->is_running_test) {
- DCHECK(base::FieldTrialList::GetInstance());
- } else {
- // This is intentionally leaked since it needs to live for the duration of
- // the browser process and there's no benefit to cleaning it up at exit.
- base::FieldTrialList* leaked_field_trial_list =
- new base::FieldTrialList(nullptr);
- ANNOTATE_LEAKING_OBJECT_PTR(leaked_field_trial_list);
- std::ignore = leaked_field_trial_list;
- }
- // Initialize the base::FeatureList and the PrefService (which it depends on),
- // so objects initialized after this point can use features from
- // base::FeatureList.
- const base::CommandLine* command_line =
- base::CommandLine::ForCurrentProcess();
- const bool use_browser_config =
- command_line->HasSwitch(switches::kUseCastBrowserPrefConfig);
- ProcessType process_type = use_browser_config ? ProcessType::kCastBrowser
- : ProcessType::kCastService;
- cast_feature_list_creator_->CreatePrefServiceAndFeatureList(process_type);
- return absl::nullopt;
- }
- void CastMainDelegate::InitializeResourceBundle() {
- base::FilePath pak_file;
- CHECK(base::PathService::Get(FILE_CAST_PAK, &pak_file));
- #if BUILDFLAG(IS_ANDROID)
- // On Android, the renderer runs with a different UID and can never access
- // the file system. Use the file descriptor passed in at launch time.
- auto* global_descriptors = base::GlobalDescriptors::GetInstance();
- int pak_fd = global_descriptors->MaybeGet(kAndroidPakDescriptor);
- base::MemoryMappedFile::Region pak_region;
- if (pak_fd >= 0) {
- pak_region = global_descriptors->GetRegion(kAndroidPakDescriptor);
- base::File android_pak_file(pak_fd);
- ui::ResourceBundle::InitSharedInstanceWithPakFileRegion(
- android_pak_file.Duplicate(), pak_region);
- ui::ResourceBundle::GetSharedInstance().AddDataPackFromFileRegion(
- std::move(android_pak_file), pak_region, ui::k100Percent);
- return;
- } else {
- pak_fd = base::android::OpenApkAsset("assets/cast_shell.pak", &pak_region);
- // Loaded from disk for browsertests.
- if (pak_fd < 0) {
- int flags = base::File::FLAG_OPEN | base::File::FLAG_READ;
- pak_fd = base::File(pak_file, flags).TakePlatformFile();
- pak_region = base::MemoryMappedFile::Region::kWholeFile;
- }
- DCHECK_GE(pak_fd, 0);
- global_descriptors->Set(kAndroidPakDescriptor, pak_fd, pak_region);
- }
- ui::SetLocalePaksStoredInApk(true);
- #endif // BUILDFLAG(IS_ANDROID)
- resource_delegate_.reset(new CastResourceDelegate());
- // TODO(gunsch): Use LOAD_COMMON_RESOURCES once ResourceBundle no longer
- // hardcodes resource file names.
- ui::ResourceBundle::InitSharedInstanceWithLocale(
- "en-US", resource_delegate_.get(),
- ui::ResourceBundle::DO_NOT_LOAD_COMMON_RESOURCES);
- #if BUILDFLAG(IS_ANDROID)
- ui::ResourceBundle::GetSharedInstance().AddDataPackFromFileRegion(
- base::File(pak_fd), pak_region, ui::kScaleFactorNone);
- #else
- ui::ResourceBundle::GetSharedInstance().AddDataPackFromPath(
- pak_file, ui::kScaleFactorNone);
- #endif // BUILDFLAG(IS_ANDROID)
- }
- content::ContentClient* CastMainDelegate::CreateContentClient() {
- return &content_client_;
- }
- content::ContentBrowserClient* CastMainDelegate::CreateContentBrowserClient() {
- DCHECK(!cast_feature_list_creator_);
- cast_feature_list_creator_ = std::make_unique<CastFeatureListCreator>();
- browser_client_ =
- CastContentBrowserClient::Create(cast_feature_list_creator_.get());
- return browser_client_.get();
- }
- content::ContentGpuClient* CastMainDelegate::CreateContentGpuClient() {
- gpu_client_ = CastContentGpuClient::Create();
- return gpu_client_.get();
- }
- content::ContentRendererClient*
- CastMainDelegate::CreateContentRendererClient() {
- renderer_client_ = CastContentRendererClient::Create();
- return renderer_client_.get();
- }
- content::ContentUtilityClient* CastMainDelegate::CreateContentUtilityClient() {
- utility_client_ = CastContentUtilityClient::Create();
- return utility_client_.get();
- }
- } // namespace shell
- } // namespace chromecast
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