chrome/browser/metrics/chromeos_metrics_provider.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 "chrome/browser/metrics/chromeos_metrics_provider.h"
   6
   7 #include "base/prefs/pref_registry_simple.h"
   8 #include "base/prefs/pref_service.h"
   9 #include "base/strings/string_number_conversions.h"
  10 #include "base/strings/string_util.h"
  11 #include "base/strings/utf_string_conversions.h"
  12 #include "chrome/browser/browser_process.h"
  13 #include "chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h"
  14 #include "chrome/common/pref_names.h"
  15 #include "chromeos/system/statistics_provider.h"
  16 #include "components/metrics/metrics_service.h"
  17 #include "components/metrics/proto/chrome_user_metrics_extension.pb.h"
  18 #include "components/user_manager/user_manager.h"
  19 #include "content/public/browser/browser_thread.h"
  20 #include "device/bluetooth/bluetooth_adapter.h"
  21 #include "device/bluetooth/bluetooth_adapter_factory.h"
  22 #include "device/bluetooth/bluetooth_device.h"
  23 #include "ui/events/event_utils.h"
  24 #include "ui/gfx/screen.h"
  25
  26 #if defined(USE_X11)
  27 #include "ui/events/devices/x11/touch_factory_x11.h"
  28 #endif  // defined(USE_X11)
  29
  30 using metrics::ChromeUserMetricsExtension;
  31 using metrics::SampledProfile;
  32 using metrics::SystemProfileProto;
  33 typedef SystemProfileProto::Hardware::Bluetooth::PairedDevice PairedDevice;
  34
  35 namespace {
  36
  37 PairedDevice::Type AsBluetoothDeviceType(
  38     device::BluetoothDevice::DeviceType device_type) {
  39   switch (device_type) {
  40     case device::BluetoothDevice::DEVICE_UNKNOWN:
  41       return PairedDevice::DEVICE_UNKNOWN;
  42     case device::BluetoothDevice::DEVICE_COMPUTER:
  43       return PairedDevice::DEVICE_COMPUTER;
  44     case device::BluetoothDevice::DEVICE_PHONE:
  45       return PairedDevice::DEVICE_PHONE;
  46     case device::BluetoothDevice::DEVICE_MODEM:
  47       return PairedDevice::DEVICE_MODEM;
  48     case device::BluetoothDevice::DEVICE_AUDIO:
  49       return PairedDevice::DEVICE_AUDIO;
  50     case device::BluetoothDevice::DEVICE_CAR_AUDIO:
  51       return PairedDevice::DEVICE_CAR_AUDIO;
  52     case device::BluetoothDevice::DEVICE_VIDEO:
  53       return PairedDevice::DEVICE_VIDEO;
  54     case device::BluetoothDevice::DEVICE_PERIPHERAL:
  55       return PairedDevice::DEVICE_PERIPHERAL;
  56     case device::BluetoothDevice::DEVICE_JOYSTICK:
  57       return PairedDevice::DEVICE_JOYSTICK;
  58     case device::BluetoothDevice::DEVICE_GAMEPAD:
  59       return PairedDevice::DEVICE_GAMEPAD;
  60     case device::BluetoothDevice::DEVICE_KEYBOARD:
  61       return PairedDevice::DEVICE_KEYBOARD;
  62     case device::BluetoothDevice::DEVICE_MOUSE:
  63       return PairedDevice::DEVICE_MOUSE;
  64     case device::BluetoothDevice::DEVICE_TABLET:
  65       return PairedDevice::DEVICE_TABLET;
  66     case device::BluetoothDevice::DEVICE_KEYBOARD_MOUSE_COMBO:
  67       return PairedDevice::DEVICE_KEYBOARD_MOUSE_COMBO;
  68   }
  69
  70   NOTREACHED();
  71   return PairedDevice::DEVICE_UNKNOWN;
  72 }
  73
  74 void WriteExternalTouchscreensProto(SystemProfileProto::Hardware* hardware) {
  75 #if defined(USE_X11)
  76   std::set<std::pair<int, int> > touchscreen_ids =
  77       ui::TouchFactory::GetInstance()->GetTouchscreenIds();
  78   for (std::set<std::pair<int, int> >::iterator it = touchscreen_ids.begin();
  79        it != touchscreen_ids.end();
  80        ++it) {
  81     SystemProfileProto::Hardware::TouchScreen* touchscreen =
  82         hardware->add_external_touchscreen();
  83     touchscreen->set_vendor_id(it->first);
  84     touchscreen->set_product_id(it->second);
  85   }
  86 #endif  // defined(USE_X11)
  87 }
  88
  89 void IncrementPrefValue(const char* path) {
  90   PrefService* pref = g_browser_process->local_state();
  91   DCHECK(pref);
  92   int value = pref->GetInteger(path);
  93   pref->SetInteger(path, value + 1);
  94 }
  95
  96 const char kEduDomain[] = ".edu";
  97
  98 // Possible device enrollment status for a Chrome OS device.
  99 enum EnrollmentStatus {
 100   NON_MANAGED,
 101   MANAGED_EDU,
 102   MANAGED_NON_EDU,
 103   ERROR_GETTING_ENROLLMENT_STATUS,
 104   ENROLLMENT_STATUS_MAX,
 105 };
 106
 107 // Get the enrollment status.
 108 EnrollmentStatus GetEnrollmentStatus() {
 109   policy::BrowserPolicyConnectorChromeOS* connector =
 110         g_browser_process->platform_part()->browser_policy_connector_chromeos();
 111   if (!connector)
 112     return ERROR_GETTING_ENROLLMENT_STATUS;
 113
 114   if (!connector->IsEnterpriseManaged())
 115     return NON_MANAGED;
 116
 117   std::string domain = connector->GetEnterpriseDomain();
 118   if (EndsWith(domain, kEduDomain, false /* case insensitive */))
 119     return MANAGED_EDU;
 120
 121   return MANAGED_NON_EDU;
 122 }
 123
 124 }  // namespace
 125
 126 ChromeOSMetricsProvider::ChromeOSMetricsProvider()
 127     : registered_user_count_at_log_initialization_(false),
 128       user_count_at_log_initialization_(0),
 129       weak_ptr_factory_(this) {
 130 }
 131
 132 ChromeOSMetricsProvider::~ChromeOSMetricsProvider() {
 133 }
 134
 135 // static
 136 void ChromeOSMetricsProvider::RegisterPrefs(PrefRegistrySimple* registry) {
 137   registry->RegisterIntegerPref(prefs::kStabilityOtherUserCrashCount, 0);
 138   registry->RegisterIntegerPref(prefs::kStabilityKernelCrashCount, 0);
 139   registry->RegisterIntegerPref(prefs::kStabilitySystemUncleanShutdownCount, 0);
 140 }
 141
 142 // static
 143 void ChromeOSMetricsProvider::LogCrash(const std::string& crash_type) {
 144   if (crash_type == "user")
 145     IncrementPrefValue(prefs::kStabilityOtherUserCrashCount);
 146   else if (crash_type == "kernel")
 147     IncrementPrefValue(prefs::kStabilityKernelCrashCount);
 148   else if (crash_type == "uncleanshutdown")
 149     IncrementPrefValue(prefs::kStabilitySystemUncleanShutdownCount);
 150   else
 151     NOTREACHED() << "Unexpected Chrome OS crash type " << crash_type;
 152
 153   // Wake up metrics logs sending if necessary now that new
 154   // log data is available.
 155   g_browser_process->metrics_service()->OnApplicationNotIdle();
 156 }
 157
 158 void ChromeOSMetricsProvider::OnDidCreateMetricsLog() {
 159   registered_user_count_at_log_initialization_ = false;
 160   if (user_manager::UserManager::IsInitialized()) {
 161     registered_user_count_at_log_initialization_ = true;
 162     user_count_at_log_initialization_ =
 163         user_manager::UserManager::Get()->GetLoggedInUsers().size();
 164   }
 165 }
 166
 167 void ChromeOSMetricsProvider::InitTaskGetHardwareClass(
 168     const base::Closure& callback) {
 169   // Run the (potentially expensive) task on the FILE thread to avoid blocking
 170   // the UI thread.
 171   content::BrowserThread::PostTaskAndReply(
 172       content::BrowserThread::FILE,
 173       FROM_HERE,
 174       base::Bind(&ChromeOSMetricsProvider::InitTaskGetHardwareClassOnFileThread,
 175                  weak_ptr_factory_.GetWeakPtr()),
 176       callback);
 177 }
 178
 179 void ChromeOSMetricsProvider::InitTaskGetHardwareClassOnFileThread() {
 180   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::FILE));
 181   chromeos::system::StatisticsProvider::GetInstance()->GetMachineStatistic(
 182       "hardware_class", &hardware_class_);
 183 }
 184
 185 void ChromeOSMetricsProvider::ProvideSystemProfileMetrics(
 186     metrics::SystemProfileProto* system_profile_proto) {
 187   WriteBluetoothProto(system_profile_proto);
 188   UpdateMultiProfileUserCount(system_profile_proto);
 189
 190   metrics::SystemProfileProto::Hardware* hardware =
 191       system_profile_proto->mutable_hardware();
 192   hardware->set_hardware_class(hardware_class_);
 193   gfx::Display::TouchSupport has_touch = ui::GetInternalDisplayTouchSupport();
 194   if (has_touch == gfx::Display::TOUCH_SUPPORT_AVAILABLE)
 195     hardware->set_internal_display_supports_touch(true);
 196   else if (has_touch == gfx::Display::TOUCH_SUPPORT_UNAVAILABLE)
 197     hardware->set_internal_display_supports_touch(false);
 198   WriteExternalTouchscreensProto(hardware);
 199 }
 200
 201 void ChromeOSMetricsProvider::ProvideStabilityMetrics(
 202     metrics::SystemProfileProto* system_profile_proto) {
 203   metrics::SystemProfileProto::Stability* stability_proto =
 204       system_profile_proto->mutable_stability();
 205   PrefService* pref = g_browser_process->local_state();
 206   int count = pref->GetInteger(prefs::kStabilityOtherUserCrashCount);
 207   if (count) {
 208     stability_proto->set_other_user_crash_count(count);
 209     pref->SetInteger(prefs::kStabilityOtherUserCrashCount, 0);
 210   }
 211
 212   count = pref->GetInteger(prefs::kStabilityKernelCrashCount);
 213   if (count) {
 214     stability_proto->set_kernel_crash_count(count);
 215     pref->SetInteger(prefs::kStabilityKernelCrashCount, 0);
 216   }
 217
 218   count = pref->GetInteger(prefs::kStabilitySystemUncleanShutdownCount);
 219   if (count) {
 220     stability_proto->set_unclean_system_shutdown_count(count);
 221     pref->SetInteger(prefs::kStabilitySystemUncleanShutdownCount, 0);
 222   }
 223 }
 224
 225 void ChromeOSMetricsProvider::ProvideGeneralMetrics(
 226     metrics::ChromeUserMetricsExtension* uma_proto) {
 227   std::vector<SampledProfile> sampled_profiles;
 228   if (perf_provider_.GetSampledProfiles(&sampled_profiles)) {
 229     for (std::vector<SampledProfile>::iterator iter = sampled_profiles.begin();
 230          iter != sampled_profiles.end();
 231          ++iter) {
 232       uma_proto->add_sampled_profile()->Swap(&(*iter));
 233     }
 234   }
 235   RecordEnrollmentStatus();
 236 }
 237
 238 void ChromeOSMetricsProvider::WriteBluetoothProto(
 239     metrics::SystemProfileProto* system_profile_proto) {
 240   metrics::SystemProfileProto::Hardware* hardware =
 241       system_profile_proto->mutable_hardware();
 242
 243   // BluetoothAdapterFactory::GetAdapter is synchronous on Chrome OS; if that
 244   // changes this will fail at the DCHECK().
 245   device::BluetoothAdapterFactory::GetAdapter(base::Bind(
 246       &ChromeOSMetricsProvider::SetBluetoothAdapter, base::Unretained(this)));
 247   DCHECK(adapter_.get());
 248
 249   SystemProfileProto::Hardware::Bluetooth* bluetooth =
 250       hardware->mutable_bluetooth();
 251
 252   bluetooth->set_is_present(adapter_->IsPresent());
 253   bluetooth->set_is_enabled(adapter_->IsPowered());
 254
 255   device::BluetoothAdapter::DeviceList devices = adapter_->GetDevices();
 256   for (device::BluetoothAdapter::DeviceList::iterator iter = devices.begin();
 257        iter != devices.end();
 258        ++iter) {
 259     device::BluetoothDevice* device = *iter;
 260     // Don't collect information about LE devices yet.
 261     if (!device->IsPaired())
 262       continue;
 263
 264     PairedDevice* paired_device = bluetooth->add_paired_device();
 265     paired_device->set_bluetooth_class(device->GetBluetoothClass());
 266     paired_device->set_type(AsBluetoothDeviceType(device->GetDeviceType()));
 267
 268     // |address| is xx:xx:xx:xx:xx:xx, extract the first three components and
 269     // pack into a uint32.
 270     std::string address = device->GetAddress();
 271     if (address.size() > 9 && address[2] == ':' && address[5] == ':' &&
 272         address[8] == ':') {
 273       std::string vendor_prefix_str;
 274       uint64 vendor_prefix;
 275
 276       base::RemoveChars(address.substr(0, 9), ":", &vendor_prefix_str);
 277       DCHECK_EQ(6U, vendor_prefix_str.size());
 278       base::HexStringToUInt64(vendor_prefix_str, &vendor_prefix);
 279
 280       paired_device->set_vendor_prefix(vendor_prefix);
 281     }
 282
 283     switch (device->GetVendorIDSource()) {
 284       case device::BluetoothDevice::VENDOR_ID_BLUETOOTH:
 285         paired_device->set_vendor_id_source(PairedDevice::VENDOR_ID_BLUETOOTH);
 286         break;
 287       case device::BluetoothDevice::VENDOR_ID_USB:
 288         paired_device->set_vendor_id_source(PairedDevice::VENDOR_ID_USB);
 289         break;
 290       default:
 291         paired_device->set_vendor_id_source(PairedDevice::VENDOR_ID_UNKNOWN);
 292     }
 293
 294     paired_device->set_vendor_id(device->GetVendorID());
 295     paired_device->set_product_id(device->GetProductID());
 296     paired_device->set_device_id(device->GetDeviceID());
 297   }
 298 }
 299
 300 void ChromeOSMetricsProvider::UpdateMultiProfileUserCount(
 301     metrics::SystemProfileProto* system_profile_proto) {
 302   if (user_manager::UserManager::IsInitialized()) {
 303     size_t user_count =
 304         user_manager::UserManager::Get()->GetLoggedInUsers().size();
 305
 306     // We invalidate the user count if it changed while the log was open.
 307     if (registered_user_count_at_log_initialization_ &&
 308         user_count != user_count_at_log_initialization_) {
 309       user_count = 0;
 310     }
 311
 312     system_profile_proto->set_multi_profile_user_count(user_count);
 313   }
 314 }
 315
 316 void ChromeOSMetricsProvider::SetBluetoothAdapter(
 317     scoped_refptr<device::BluetoothAdapter> adapter) {
 318   adapter_ = adapter;
 319 }
 320
 321 void ChromeOSMetricsProvider::RecordEnrollmentStatus() {
 322   UMA_HISTOGRAM_ENUMERATION(
 323       "UMA.EnrollmentStatus", GetEnrollmentStatus(), ENROLLMENT_STATUS_MAX);
 324 }