chromecast/app/cast_main_delegate.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chromecast/app/cast_main_delegate.h"
   6
   7 #include <algorithm>
   8 #include <string>
   9 #include <vector>
  10
  11 #include "base/command_line.h"
  12 #include "base/cpu.h"
  13 #include "base/files/file.h"
  14 #include "base/files/file_enumerator.h"
  15 #include "base/files/file_util.h"
  16 #include "base/lazy_instance.h"
  17 #include "base/logging.h"
  18 #include "base/path_service.h"
  19 #include "base/posix/global_descriptors.h"
  20 #include "chromecast/base/cast_paths.h"
  21 #include "chromecast/browser/cast_content_browser_client.h"
  22 #include "chromecast/common/cast_resource_delegate.h"
  23 #include "chromecast/common/global_descriptors.h"
  24 #include "chromecast/renderer/cast_content_renderer_client.h"
  25 #include "components/crash/app/crash_reporter_client.h"
  26 #include "content/public/browser/browser_main_runner.h"
  27 #include "content/public/common/content_switches.h"
  28 #include "ui/base/resource/resource_bundle.h"
  29
  30 #if defined(OS_ANDROID)
  31 #include "base/android/apk_assets.h"
  32 #include "chromecast/app/android/cast_crash_reporter_client_android.h"
  33 #include "chromecast/app/android/crash_handler.h"
  34 #else
  35 #include "chromecast/app/linux/cast_crash_reporter_client.h"
  36 #endif  // defined(OS_ANDROID)
  37
  38 namespace {
  39
  40 #if !defined(OS_ANDROID)
  41 base::LazyInstance<chromecast::CastCrashReporterClient>::Leaky
  42     g_crash_reporter_client = LAZY_INSTANCE_INITIALIZER;
  43 #endif  // !defined(OS_ANDROID)
  44
  45 #if defined(OS_ANDROID)
  46 const int kMaxCrashFiles = 10;
  47 #endif  // defined(OS_ANDROID)
  48
  49 }  // namespace
  50
  51 namespace chromecast {
  52 namespace shell {
  53
  54 CastMainDelegate::CastMainDelegate() {
  55 }
  56
  57 CastMainDelegate::~CastMainDelegate() {
  58 }
  59
  60 bool CastMainDelegate::BasicStartupComplete(int* exit_code) {
  61   RegisterPathProvider();
  62
  63   logging::LoggingSettings settings;
  64   settings.logging_dest = logging::LOG_TO_SYSTEM_DEBUG_LOG;
  65 #if defined(OS_ANDROID)
  66   const base::CommandLine* command_line(base::CommandLine::ForCurrentProcess());
  67   std::string process_type =
  68       command_line->GetSwitchValueASCII(switches::kProcessType);
  69   // Browser process logs are recorded for attaching with crash dumps.
  70   if (process_type.empty()) {
  71     base::FilePath log_file;
  72     PathService::Get(FILE_CAST_ANDROID_LOG, &log_file);
  73     settings.logging_dest = logging::LOG_TO_ALL;
  74     settings.log_file = log_file.value().c_str();
  75     settings.delete_old = logging::DELETE_OLD_LOG_FILE;
  76   }
  77 #endif  // defined(OS_ANDROID)
  78   logging::InitLogging(settings);
  79   // Time, process, and thread ID are available through logcat.
  80   logging::SetLogItems(true, true, false, false);
  81
  82 #if defined(OS_ANDROID)
  83   // Only delete the old crash dumps if the current process is the browser
  84   // process. Empty |process_type| signifies browser process.
  85   if (process_type.empty()) {
  86     // Get a listing of all of the crash dump files.
  87     base::FilePath crash_directory;
  88     if (CastCrashReporterClientAndroid::GetCrashDumpLocation(
  89             process_type, &crash_directory)) {
  90       base::FileEnumerator crash_directory_list(crash_directory, false,
  91                                                 base::FileEnumerator::FILES);
  92       std::vector<base::FilePath> crash_files;
  93       for (base::FilePath file = crash_directory_list.Next(); !file.empty();
  94            file = crash_directory_list.Next()) {
  95         crash_files.push_back(file);
  96       }
  97       // Delete crash dumps except for the |kMaxCrashFiles| most recent ones.
  98       if (crash_files.size() > kMaxCrashFiles) {
  99         auto newest_first =
 100             [](const base::FilePath& l, const base::FilePath& r) -> bool {
 101               base::File::Info l_info, r_info;
 102               base::GetFileInfo(l, &l_info);
 103               base::GetFileInfo(r, &r_info);
 104               return l_info.last_modified > r_info.last_modified;
 105             };
 106         std::partial_sort(crash_files.begin(),
 107                           crash_files.begin() + kMaxCrashFiles,
 108                           crash_files.end(), newest_first);
 109         for (auto file = crash_files.begin() + kMaxCrashFiles;
 110              file != crash_files.end(); ++file) {
 111           base::DeleteFile(*file, false);
 112         }
 113       }
 114     }
 115   }
 116 #endif  // defined(OS_ANDROID)
 117
 118   content::SetContentClient(&content_client_);
 119   return false;
 120 }
 121
 122 void CastMainDelegate::PreSandboxStartup() {
 123 #if defined(ARCH_CPU_ARM_FAMILY) && (defined(OS_ANDROID) || defined(OS_LINUX))
 124   // Create an instance of the CPU class to parse /proc/cpuinfo and cache the
 125   // results. This data needs to be cached when file-reading is still allowed,
 126   // since base::CPU expects to be callable later, when file-reading is no
 127   // longer allowed.
 128   base::CPU cpu_info;
 129 #endif
 130
 131   const base::CommandLine* command_line(base::CommandLine::ForCurrentProcess());
 132   std::string process_type =
 133       command_line->GetSwitchValueASCII(switches::kProcessType);
 134
 135 #if defined(OS_ANDROID)
 136   base::FilePath log_file;
 137   PathService::Get(FILE_CAST_ANDROID_LOG, &log_file);
 138   chromecast::CrashHandler::Initialize(process_type, log_file);
 139 #else
 140   crash_reporter::SetCrashReporterClient(g_crash_reporter_client.Pointer());
 141
 142   if (process_type != switches::kZygoteProcess) {
 143     CastCrashReporterClient::InitCrashReporter(process_type);
 144   }
 145 #endif  // defined(OS_ANDROID)
 146
 147   InitializeResourceBundle();
 148 }
 149
 150 int CastMainDelegate::RunProcess(
 151     const std::string& process_type,
 152     const content::MainFunctionParams& main_function_params) {
 153 #if defined(OS_ANDROID)
 154   if (!process_type.empty())
 155     return -1;
 156
 157   // Note: Android must handle running its own browser process.
 158   // See ChromeMainDelegateAndroid::RunProcess.
 159   browser_runner_.reset(content::BrowserMainRunner::Create());
 160   return browser_runner_->Initialize(main_function_params);
 161 #else
 162   return -1;
 163 #endif  // defined(OS_ANDROID)
 164 }
 165
 166 void CastMainDelegate::ProcessExiting(const std::string& process_type) {
 167   if (process_type.empty())
 168     browser_client_->ProcessExiting();
 169 }
 170
 171 #if !defined(OS_ANDROID)
 172 void CastMainDelegate::ZygoteForked() {
 173   const base::CommandLine* command_line(base::CommandLine::ForCurrentProcess());
 174   std::string process_type =
 175       command_line->GetSwitchValueASCII(switches::kProcessType);
 176   CastCrashReporterClient::InitCrashReporter(process_type);
 177 }
 178 #endif  // !defined(OS_ANDROID)
 179
 180 void CastMainDelegate::InitializeResourceBundle() {
 181   base::FilePath pak_file;
 182   CHECK(PathService::Get(FILE_CAST_PAK, &pak_file));
 183 #if defined(OS_ANDROID)
 184   // On Android, the renderer runs with a different UID and can never access
 185   // the file system. Use the file descriptor passed in at launch time.
 186   auto global_descriptors = base::GlobalDescriptors::GetInstance();
 187   int pak_fd = global_descriptors->MaybeGet(kAndroidPakDescriptor);
 188   base::MemoryMappedFile::Region pak_region;
 189   if (pak_fd >= 0) {
 190     pak_region = global_descriptors->GetRegion(kAndroidPakDescriptor);
 191     ui::ResourceBundle::InitSharedInstanceWithPakFileRegion(base::File(pak_fd),
 192                                                             pak_region);
 193     ui::ResourceBundle::GetSharedInstance().AddDataPackFromFileRegion(
 194         base::File(pak_fd), pak_region, ui::SCALE_FACTOR_100P);
 195     return;
 196   } else {
 197     pak_fd = base::android::OpenApkAsset("assets/cast_shell.pak", &pak_region);
 198     // Loaded from disk for browsertests.
 199     if (pak_fd < 0) {
 200       int flags = base::File::FLAG_OPEN | base::File::FLAG_READ;
 201       pak_fd = base::File(pak_file, flags).TakePlatformFile();
 202       pak_region = base::MemoryMappedFile::Region::kWholeFile;
 203     }
 204     DCHECK_GE(pak_fd, 0);
 205     global_descriptors->Set(kAndroidPakDescriptor, pak_fd, pak_region);
 206   }
 207 #endif  // defined(OS_ANDROID)
 208
 209   resource_delegate_.reset(new CastResourceDelegate());
 210   // TODO(gunsch): Use LOAD_COMMON_RESOURCES once ResourceBundle no longer
 211   // hardcodes resource file names.
 212   ui::ResourceBundle::InitSharedInstanceWithLocale(
 213       "en-US", resource_delegate_.get(),
 214       ui::ResourceBundle::DO_NOT_LOAD_COMMON_RESOURCES);
 215
 216 #if defined(OS_ANDROID)
 217   ui::ResourceBundle::GetSharedInstance().AddDataPackFromFileRegion(
 218       base::File(pak_fd), pak_region, ui::SCALE_FACTOR_NONE);
 219 #else
 220   ui::ResourceBundle::GetSharedInstance().AddDataPackFromPath(
 221       pak_file, ui::SCALE_FACTOR_NONE);
 222 #endif  // defined(OS_ANDROID)
 223 }
 224
 225 content::ContentBrowserClient* CastMainDelegate::CreateContentBrowserClient() {
 226   browser_client_ = CastContentBrowserClient::Create();
 227   return browser_client_.get();
 228 }
 229
 230 content::ContentRendererClient*
 231 CastMainDelegate::CreateContentRendererClient() {
 232   renderer_client_ = CastContentRendererClient::Create();
 233   return renderer_client_.get();
 234 }
 235
 236 }  // namespace shell
 237 }  // namespace chromecast