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bluetooth_adapter_bluez.cc
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// Copyright 2013 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 "device/bluetooth/bluez/bluetooth_adapter_bluez.h"
#include <algorithm>
#include <cstdint>
#include <limits>
#include <memory>
#include <set>
#include <string>
#include <utility>
#include "base/bind.h"
#include "base/location.h"
#include "base/logging.h"
#include "base/memory/ptr_util.h"
#include "base/metrics/histogram_macros.h"
#include "base/sequenced_task_runner.h"
#include "base/single_thread_task_runner.h"
#include "base/strings/stringprintf.h"
#include "base/threading/thread_task_runner_handle.h"
#include "base/time/time.h"
#include "build/build_config.h"
#include "components/device_event_log/device_event_log.h"
#include "device/bluetooth/bluetooth_common.h"
#include "device/bluetooth/bluetooth_device.h"
#include "device/bluetooth/bluetooth_discovery_session_outcome.h"
#include "device/bluetooth/bluetooth_socket_thread.h"
#include "device/bluetooth/bluetooth_uuid.h"
#include "device/bluetooth/bluez/bluetooth_adapter_profile_bluez.h"
#include "device/bluetooth/bluez/bluetooth_advertisement_bluez.h"
#include "device/bluetooth/bluez/bluetooth_device_bluez.h"
#include "device/bluetooth/bluez/bluetooth_gatt_service_bluez.h"
#include "device/bluetooth/bluez/bluetooth_local_gatt_characteristic_bluez.h"
#include "device/bluetooth/bluez/bluetooth_local_gatt_service_bluez.h"
#include "device/bluetooth/bluez/bluetooth_pairing_bluez.h"
#include "device/bluetooth/bluez/bluetooth_socket_bluez.h"
#include "device/bluetooth/dbus/bluetooth_adapter_client.h"
#include "device/bluetooth/dbus/bluetooth_agent_manager_client.h"
#include "device/bluetooth/dbus/bluetooth_agent_service_provider.h"
#include "device/bluetooth/dbus/bluetooth_device_client.h"
#include "device/bluetooth/dbus/bluetooth_gatt_application_service_provider.h"
#include "device/bluetooth/dbus/bluetooth_gatt_manager_client.h"
#include "device/bluetooth/dbus/bluetooth_input_client.h"
#include "device/bluetooth/dbus/bluetooth_le_advertising_manager_client.h"
#include "device/bluetooth/dbus/bluez_dbus_manager.h"
#include "third_party/cros_system_api/dbus/service_constants.h"
#if defined(OS_CHROMEOS)
#include "chromeos/system/devicetype.h"
#endif
using device::BluetoothAdapter;
using device::BluetoothDevice;
using UUIDSet = device::BluetoothDevice::UUIDSet;
using device::BluetoothDiscoveryFilter;
using device::BluetoothSocket;
using device::BluetoothUUID;
using device::UMABluetoothDiscoverySessionOutcome;
namespace {
// The agent path is relatively meaningless since BlueZ only permits one to
// exist per D-Bus connection, it just has to be unique within Chromium.
const char kAgentPath[] = "/org/chromium/bluetooth_agent";
const char kGattApplicationObjectPath[] = "/gatt_application";
void OnUnregisterAgentError(const std::string& error_name,
const std::string& error_message) {
// It's okay if the agent didn't exist, it means we never saw an adapter.
if (error_name == bluetooth_agent_manager::kErrorDoesNotExist)
return;
BLUETOOTH_LOG(ERROR) << "Failed to unregister pairing agent: " << error_name
<< ": " << error_message;
}
UMABluetoothDiscoverySessionOutcome TranslateDiscoveryErrorToUMA(
const std::string& error_name) {
if (error_name == bluez::BluetoothAdapterClient::kUnknownAdapterError) {
return UMABluetoothDiscoverySessionOutcome::BLUEZ_DBUS_UNKNOWN_ADAPTER;
} else if (error_name == bluez::BluetoothAdapterClient::kNoResponseError) {
return UMABluetoothDiscoverySessionOutcome::BLUEZ_DBUS_NO_RESPONSE;
} else if (error_name == bluetooth_device::kErrorInProgress) {
return UMABluetoothDiscoverySessionOutcome::BLUEZ_DBUS_IN_PROGRESS;
} else if (error_name == bluetooth_device::kErrorNotReady) {
return UMABluetoothDiscoverySessionOutcome::BLUEZ_DBUS_NOT_READY;
} else if (error_name == bluetooth_device::kErrorNotSupported) {
return UMABluetoothDiscoverySessionOutcome::BLUEZ_DBUS_UNSUPPORTED_DEVICE;
} else if (error_name == bluetooth_device::kErrorFailed) {
return UMABluetoothDiscoverySessionOutcome::FAILED;
} else {
BLUETOOTH_LOG(ERROR) << "Unrecognized DBus error " << error_name;
return UMABluetoothDiscoverySessionOutcome::UNKNOWN;
}
}
} // namespace
namespace device {
// static
base::WeakPtr<BluetoothAdapter> BluetoothAdapter::CreateAdapter(
const InitCallback& init_callback) {
return bluez::BluetoothAdapterBlueZ::CreateAdapter(init_callback);
}
} // namespace device
namespace bluez {
namespace {
void OnRegisterationErrorCallback(
const device::BluetoothGattService::ErrorCallback& error_callback,
bool is_register_callback,
const std::string& error_name,
const std::string& error_message) {
if (is_register_callback) {
BLUETOOTH_LOG(ERROR) << "Failed to Register service: " << error_name << ", "
<< error_message;
} else {
BLUETOOTH_LOG(ERROR) << "Failed to Unregister service: " << error_name
<< ", " << error_message;
}
error_callback.Run(
BluetoothGattServiceBlueZ::DBusErrorToServiceError(error_name));
}
void DoNothingOnError(
device::BluetoothGattService::GattErrorCode /*error_code*/) {}
void DoNothingOnAdvertisementError(
device::BluetoothAdvertisement::ErrorCode /*error_code*/) {}
void SetIntervalErrorCallbackConnector(
const device::BluetoothAdapter::AdvertisementErrorCallback& error_callback,
const std::string& error_name,
const std::string& error_message) {
BLUETOOTH_LOG(ERROR) << "Error while registering advertisement. error_name = "
<< error_name << ", error_message = " << error_message;
device::BluetoothAdvertisement::ErrorCode code = device::
BluetoothAdvertisement::ErrorCode::INVALID_ADVERTISEMENT_ERROR_CODE;
if (error_name == bluetooth_advertising_manager::kErrorInvalidArguments) {
code = device::BluetoothAdvertisement::ErrorCode::
ERROR_INVALID_ADVERTISEMENT_INTERVAL;
}
error_callback.Run(code);
}
void ResetAdvertisingErrorCallbackConnector(
const device::BluetoothAdapter::AdvertisementErrorCallback& error_callback,
const std::string& error_name,
const std::string& error_message) {
BLUETOOTH_LOG(ERROR) << "Error while resetting advertising. error_name = "
<< error_name << ", error_message = " << error_message;
error_callback.Run(
device::BluetoothAdvertisement::ErrorCode::ERROR_RESET_ADVERTISING);
}
} // namespace
// static
base::WeakPtr<BluetoothAdapter> BluetoothAdapterBlueZ::CreateAdapter(
const InitCallback& init_callback) {
BluetoothAdapterBlueZ* adapter = new BluetoothAdapterBlueZ(init_callback);
return adapter->weak_ptr_factory_.GetWeakPtr();
}
void BluetoothAdapterBlueZ::Shutdown() {
if (dbus_is_shutdown_)
return;
BLUETOOTH_LOG(EVENT) << "BluetoothAdapterBlueZ::Shutdown";
DCHECK(bluez::BluezDBusManager::IsInitialized())
<< "Call BluetoothAdapterFactory::Shutdown() before "
"BluezDBusManager::Shutdown().";
// Since we don't initialize anything if Object Manager is not supported,
// no need to do any clean up.
if (!bluez::BluezDBusManager::Get()->IsObjectManagerSupported()) {
dbus_is_shutdown_ = true;
return;
}
if (IsPresent())
RemoveAdapter(); // Also deletes devices_.
DCHECK(devices_.empty());
// profiles_ must be empty because all BluetoothSockets have been notified
// that this adapter is disappearing.
DCHECK(profiles_.empty());
// Some profiles may have been released but not yet removed; it is safe to
// delete them.
for (auto& it : released_profiles_)
delete it.second;
released_profiles_.clear();
for (auto& it : profile_queues_)
delete it.second;
profile_queues_.clear();
// This may call unregister on advertisements that have already been
// unregistered but that's fine. The advertisement object keeps a track of
// the fact that it has been already unregistered and will call our empty
// error callback with an "Already unregistered" error, which we'll ignore.
for (auto& it : advertisements_) {
it->Unregister(base::Bind(&base::DoNothing),
base::Bind(&DoNothingOnAdvertisementError));
}
advertisements_.clear();
bluez::BluezDBusManager::Get()->GetBluetoothAdapterClient()->RemoveObserver(
this);
bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->RemoveObserver(
this);
bluez::BluezDBusManager::Get()->GetBluetoothInputClient()->RemoveObserver(
this);
BLUETOOTH_LOG(EVENT) << "Unregistering pairing agent";
bluez::BluezDBusManager::Get()
->GetBluetoothAgentManagerClient()
->UnregisterAgent(dbus::ObjectPath(kAgentPath),
base::Bind(&base::DoNothing),
base::Bind(&OnUnregisterAgentError));
agent_.reset();
dbus_is_shutdown_ = true;
}
BluetoothAdapterBlueZ::BluetoothAdapterBlueZ(const InitCallback& init_callback)
: init_callback_(init_callback),
initialized_(false),
dbus_is_shutdown_(false),
num_discovery_sessions_(0),
discovery_request_pending_(false),
force_deactivate_discovery_(false),
weak_ptr_factory_(this) {
ui_task_runner_ = base::ThreadTaskRunnerHandle::Get();
socket_thread_ = device::BluetoothSocketThread::Get();
// Can't initialize the adapter until DBus clients are ready.
if (bluez::BluezDBusManager::Get()->IsObjectManagerSupportKnown()) {
base::ThreadTaskRunnerHandle::Get()->PostTask(
FROM_HERE, base::Bind(&BluetoothAdapterBlueZ::Init,
weak_ptr_factory_.GetWeakPtr()));
return;
}
bluez::BluezDBusManager::Get()->CallWhenObjectManagerSupportIsKnown(
base::Bind(&BluetoothAdapterBlueZ::Init, weak_ptr_factory_.GetWeakPtr()));
}
void BluetoothAdapterBlueZ::Init() {
// We may have been shutdown already, in which case do nothing. If the
// platform doesn't support Object Manager then Bluez 5 is probably not
// present. In this case we just return without initializing anything.
if (dbus_is_shutdown_ ||
!bluez::BluezDBusManager::Get()->IsObjectManagerSupported()) {
initialized_ = true;
init_callback_.Run();
return;
}
bluez::BluezDBusManager::Get()->GetBluetoothAdapterClient()->AddObserver(
this);
bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->AddObserver(this);
bluez::BluezDBusManager::Get()->GetBluetoothInputClient()->AddObserver(this);
// Register the pairing agent.
dbus::Bus* system_bus = bluez::BluezDBusManager::Get()->GetSystemBus();
agent_.reset(bluez::BluetoothAgentServiceProvider::Create(
system_bus, dbus::ObjectPath(kAgentPath), this));
DCHECK(agent_.get());
std::vector<dbus::ObjectPath> object_paths = bluez::BluezDBusManager::Get()
->GetBluetoothAdapterClient()
->GetAdapters();
BLUETOOTH_LOG(EVENT) << "BlueZ Adapter Initialized.";
if (!object_paths.empty()) {
BLUETOOTH_LOG(EVENT) << "BlueZ Adapters available: " << object_paths.size();
SetAdapter(object_paths[0]);
}
initialized_ = true;
init_callback_.Run();
}
BluetoothAdapterBlueZ::~BluetoothAdapterBlueZ() {
Shutdown();
}
std::string BluetoothAdapterBlueZ::GetAddress() const {
if (!IsPresent())
return std::string();
bluez::BluetoothAdapterClient::Properties* properties =
bluez::BluezDBusManager::Get()
->GetBluetoothAdapterClient()
->GetProperties(object_path_);
DCHECK(properties);
return BluetoothDevice::CanonicalizeAddress(properties->address.value());
}
std::string BluetoothAdapterBlueZ::GetName() const {
if (!IsPresent())
return std::string();
bluez::BluetoothAdapterClient::Properties* properties =
bluez::BluezDBusManager::Get()
->GetBluetoothAdapterClient()
->GetProperties(object_path_);
DCHECK(properties);
return properties->alias.value();
}
void BluetoothAdapterBlueZ::SetName(const std::string& name,
const base::Closure& callback,
const ErrorCallback& error_callback) {
if (!IsPresent()) {
error_callback.Run();
return;
}
bluez::BluezDBusManager::Get()
->GetBluetoothAdapterClient()
->GetProperties(object_path_)
->alias.Set(
name,
base::Bind(&BluetoothAdapterBlueZ::OnPropertyChangeCompleted,
weak_ptr_factory_.GetWeakPtr(), callback, error_callback));
}
bool BluetoothAdapterBlueZ::IsInitialized() const {
return initialized_;
}
bool BluetoothAdapterBlueZ::IsPresent() const {
return !dbus_is_shutdown_ && !object_path_.value().empty();
}
bool BluetoothAdapterBlueZ::IsPowered() const {
if (!IsPresent())
return false;
bluez::BluetoothAdapterClient::Properties* properties =
bluez::BluezDBusManager::Get()
->GetBluetoothAdapterClient()
->GetProperties(object_path_);
return properties->powered.value();
}
void BluetoothAdapterBlueZ::SetPowered(bool powered,
const base::Closure& callback,
const ErrorCallback& error_callback) {
if (!IsPresent()) {
BLUETOOTH_LOG(ERROR) << "SetPowered: " << powered << ". Not Present!";
error_callback.Run();
return;
}
BLUETOOTH_LOG(EVENT) << "SetPowered: " << powered;
bluez::BluezDBusManager::Get()
->GetBluetoothAdapterClient()
->GetProperties(object_path_)
->powered.Set(
powered,
base::Bind(&BluetoothAdapterBlueZ::OnPropertyChangeCompleted,
weak_ptr_factory_.GetWeakPtr(), callback, error_callback));
}
bool BluetoothAdapterBlueZ::IsDiscoverable() const {
if (!IsPresent())
return false;
bluez::BluetoothAdapterClient::Properties* properties =
bluez::BluezDBusManager::Get()
->GetBluetoothAdapterClient()
->GetProperties(object_path_);
return properties->discoverable.value();
}
void BluetoothAdapterBlueZ::SetDiscoverable(
bool discoverable,
const base::Closure& callback,
const ErrorCallback& error_callback) {
if (!IsPresent()) {
error_callback.Run();
return;
}
BLUETOOTH_LOG(EVENT) << "SetDiscoverable: " << discoverable;
bluez::BluezDBusManager::Get()
->GetBluetoothAdapterClient()
->GetProperties(object_path_)
->discoverable.Set(
discoverable,
base::Bind(&BluetoothAdapterBlueZ::OnSetDiscoverable,
weak_ptr_factory_.GetWeakPtr(), callback, error_callback));
}
uint32_t BluetoothAdapterBlueZ::GetDiscoverableTimeout() const {
if (!IsPresent())
return 0;
bluez::BluetoothAdapterClient::Properties* properties =
bluez::BluezDBusManager::Get()
->GetBluetoothAdapterClient()
->GetProperties(object_path_);
return properties->discoverable_timeout.value();
}
bool BluetoothAdapterBlueZ::IsDiscovering() const {
if (!IsPresent())
return false;
bluez::BluetoothAdapterClient::Properties* properties =
bluez::BluezDBusManager::Get()
->GetBluetoothAdapterClient()
->GetProperties(object_path_);
return properties->discovering.value();
}
std::unordered_map<BluetoothDevice*, UUIDSet>
BluetoothAdapterBlueZ::RetrieveGattConnectedDevicesWithDiscoveryFilter(
const BluetoothDiscoveryFilter& discovery_filter) {
std::unordered_map<BluetoothDevice*, UUIDSet> connected_devices;
std::set<BluetoothUUID> filter_uuids;
discovery_filter.GetUUIDs(filter_uuids);
for (BluetoothDevice* device : GetDevices()) {
if (device->IsGattConnected() &&
(device->GetType() & device::BLUETOOTH_TRANSPORT_LE)) {
UUIDSet device_uuids = device->GetUUIDs();
UUIDSet intersection;
for (const BluetoothUUID& uuid : filter_uuids) {
if (base::ContainsKey(device_uuids, uuid)) {
intersection.insert(uuid);
}
}
if (filter_uuids.empty() || !intersection.empty()) {
connected_devices[device] = std::move(intersection);
}
}
}
return connected_devices;
}
BluetoothAdapterBlueZ::UUIDList BluetoothAdapterBlueZ::GetUUIDs() const {
bluez::BluetoothAdapterClient::Properties* properties =
bluez::BluezDBusManager::Get()
->GetBluetoothAdapterClient()
->GetProperties(object_path_);
DCHECK(properties);
std::vector<std::string> uuids = properties->uuids.value();
return UUIDList(uuids.begin(), uuids.end());
}
void BluetoothAdapterBlueZ::CreateRfcommService(
const BluetoothUUID& uuid,
const ServiceOptions& options,
const CreateServiceCallback& callback,
const CreateServiceErrorCallback& error_callback) {
DCHECK(!dbus_is_shutdown_);
BLUETOOTH_LOG(DEBUG) << object_path_.value() << ": Creating RFCOMM service: "
<< uuid.canonical_value();
scoped_refptr<BluetoothSocketBlueZ> socket =
BluetoothSocketBlueZ::CreateBluetoothSocket(ui_task_runner_,
socket_thread_);
socket->Listen(this, BluetoothSocketBlueZ::kRfcomm, uuid, options,
base::Bind(callback, socket), error_callback);
}
void BluetoothAdapterBlueZ::CreateL2capService(
const BluetoothUUID& uuid,
const ServiceOptions& options,
const CreateServiceCallback& callback,
const CreateServiceErrorCallback& error_callback) {
DCHECK(!dbus_is_shutdown_);
BLUETOOTH_LOG(DEBUG) << object_path_.value() << ": Creating L2CAP service: "
<< uuid.canonical_value();
scoped_refptr<BluetoothSocketBlueZ> socket =
BluetoothSocketBlueZ::CreateBluetoothSocket(ui_task_runner_,
socket_thread_);
socket->Listen(this, BluetoothSocketBlueZ::kL2cap, uuid, options,
base::Bind(callback, socket), error_callback);
}
void BluetoothAdapterBlueZ::RegisterAdvertisement(
std::unique_ptr<device::BluetoothAdvertisement::Data> advertisement_data,
const CreateAdvertisementCallback& callback,
const AdvertisementErrorCallback& error_callback) {
scoped_refptr<BluetoothAdvertisementBlueZ> advertisement(
new BluetoothAdvertisementBlueZ(std::move(advertisement_data), this));
advertisement->Register(base::Bind(callback, advertisement), error_callback);
advertisements_.emplace_back(advertisement);
}
void BluetoothAdapterBlueZ::SetAdvertisingInterval(
const base::TimeDelta& min,
const base::TimeDelta& max,
const base::Closure& callback,
const AdvertisementErrorCallback& error_callback) {
DCHECK(bluez::BluezDBusManager::Get());
uint16_t min_ms = static_cast<uint16_t>(
std::min(static_cast<int64_t>(std::numeric_limits<uint16_t>::max()),
min.InMilliseconds()));
uint16_t max_ms = static_cast<uint16_t>(
std::min(static_cast<int64_t>(std::numeric_limits<uint16_t>::max()),
max.InMilliseconds()));
bluez::BluezDBusManager::Get()
->GetBluetoothLEAdvertisingManagerClient()
->SetAdvertisingInterval(
object_path_, min_ms, max_ms, callback,
base::Bind(&SetIntervalErrorCallbackConnector, error_callback));
}
void BluetoothAdapterBlueZ::ResetAdvertising(
const base::Closure& callback,
const AdvertisementErrorCallback& error_callback) {
DCHECK(bluez::BluezDBusManager::Get());
bluez::BluezDBusManager::Get()
->GetBluetoothLEAdvertisingManagerClient()
->ResetAdvertising(
object_path_, callback,
base::Bind(&ResetAdvertisingErrorCallbackConnector, error_callback));
}
device::BluetoothLocalGattService* BluetoothAdapterBlueZ::GetGattService(
const std::string& identifier) const {
const auto& service = owned_gatt_services_.find(dbus::ObjectPath(identifier));
return service == owned_gatt_services_.end() ? nullptr
: service->second.get();
}
void BluetoothAdapterBlueZ::RemovePairingDelegateInternal(
BluetoothDevice::PairingDelegate* pairing_delegate) {
// Check if any device is using the pairing delegate.
// If so, clear the pairing context which will make any responses no-ops.
for (auto iter = devices_.begin(); iter != devices_.end(); ++iter) {
BluetoothDeviceBlueZ* device_bluez =
static_cast<BluetoothDeviceBlueZ*>(iter->second.get());
BluetoothPairingBlueZ* pairing = device_bluez->GetPairing();
if (pairing && pairing->GetPairingDelegate() == pairing_delegate)
device_bluez->EndPairing();
}
}
void BluetoothAdapterBlueZ::AdapterAdded(const dbus::ObjectPath& object_path) {
// Set the adapter to the newly added adapter only if no adapter is present.
if (!IsPresent())
SetAdapter(object_path);
}
void BluetoothAdapterBlueZ::AdapterRemoved(
const dbus::ObjectPath& object_path) {
if (object_path == object_path_)
RemoveAdapter();
}
void BluetoothAdapterBlueZ::AdapterPropertyChanged(
const dbus::ObjectPath& object_path,
const std::string& property_name) {
if (object_path != object_path_)
return;
DCHECK(IsPresent());
bluez::BluetoothAdapterClient::Properties* properties =
bluez::BluezDBusManager::Get()
->GetBluetoothAdapterClient()
->GetProperties(object_path_);
if (property_name == properties->powered.name()) {
NotifyAdapterPoweredChanged(properties->powered.value());
} else if (property_name == properties->discoverable.name()) {
DiscoverableChanged(properties->discoverable.value());
} else if (property_name == properties->discovering.name()) {
DiscoveringChanged(properties->discovering.value());
}
}
void BluetoothAdapterBlueZ::DeviceAdded(const dbus::ObjectPath& object_path) {
DCHECK(bluez::BluezDBusManager::Get());
bluez::BluetoothDeviceClient::Properties* properties =
bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->GetProperties(
object_path);
if (!properties || properties->adapter.value() != object_path_)
return;
DCHECK(IsPresent());
BluetoothDeviceBlueZ* device_bluez = new BluetoothDeviceBlueZ(
this, object_path, ui_task_runner_, socket_thread_);
DCHECK(devices_.find(device_bluez->GetAddress()) == devices_.end());
devices_[device_bluez->GetAddress()] = base::WrapUnique(device_bluez);
for (auto& observer : observers_)
observer.DeviceAdded(this, device_bluez);
}
void BluetoothAdapterBlueZ::DeviceRemoved(const dbus::ObjectPath& object_path) {
for (auto iter = devices_.begin(); iter != devices_.end(); ++iter) {
BluetoothDeviceBlueZ* device_bluez =
static_cast<BluetoothDeviceBlueZ*>(iter->second.get());
if (device_bluez->object_path() == object_path) {
std::unique_ptr<BluetoothDevice> scoped_device = std::move(iter->second);
devices_.erase(iter);
for (auto& observer : observers_)
observer.DeviceRemoved(this, device_bluez);
return;
}
}
}
void BluetoothAdapterBlueZ::DevicePropertyChanged(
const dbus::ObjectPath& object_path,
const std::string& property_name) {
BluetoothDeviceBlueZ* device_bluez = GetDeviceWithPath(object_path);
if (!device_bluez)
return;
bluez::BluetoothDeviceClient::Properties* properties =
bluez::BluezDBusManager::Get()->GetBluetoothDeviceClient()->GetProperties(
object_path);
if (property_name == properties->address.name()) {
for (auto iter = devices_.begin(); iter != devices_.end(); ++iter) {
if (iter->second->GetAddress() == device_bluez->GetAddress()) {
std::string old_address = iter->first;
BLUETOOTH_LOG(EVENT) << "Device changed address, old: " << old_address
<< " new: " << device_bluez->GetAddress();
std::unique_ptr<BluetoothDevice> scoped_device =
std::move(iter->second);
devices_.erase(iter);
DCHECK(devices_.find(device_bluez->GetAddress()) == devices_.end());
devices_[device_bluez->GetAddress()] = std::move(scoped_device);
NotifyDeviceAddressChanged(device_bluez, old_address);
break;
}
}
}
if (property_name == properties->service_data.name())
device_bluez->UpdateServiceData();
else if (property_name == properties->manufacturer_data.name())
device_bluez->UpdateManufacturerData();
else if (property_name == properties->advertising_data_flags.name())
device_bluez->UpdateAdvertisingDataFlags();
if (property_name == properties->bluetooth_class.name() ||
property_name == properties->appearance.name() ||
property_name == properties->address.name() ||
property_name == properties->name.name() ||
property_name == properties->paired.name() ||
property_name == properties->trusted.name() ||
property_name == properties->connected.name() ||
property_name == properties->uuids.name() ||
property_name == properties->rssi.name() ||
property_name == properties->tx_power.name() ||
property_name == properties->service_data.name() ||
property_name == properties->manufacturer_data.name() ||
property_name == properties->advertising_data_flags.name()) {
NotifyDeviceChanged(device_bluez);
}
if (property_name == properties->services_resolved.name() &&
properties->services_resolved.value()) {
device_bluez->UpdateGattServices(object_path);
NotifyGattServicesDiscovered(device_bluez);
}
// When a device becomes paired, mark it as trusted so that the user does
// not need to approve every incoming connection
if (property_name == properties->paired.name()) {
if (properties->paired.value() && !properties->trusted.value()) {
device_bluez->SetTrusted();
}
NotifyDevicePairedChanged(device_bluez, properties->paired.value());
}
// UMA connection counting
if (property_name == properties->connected.name()) {
int count = 0;
for (auto iter = devices_.begin(); iter != devices_.end(); ++iter) {
if (iter->second->IsPaired() && iter->second->IsConnected())
++count;
}
UMA_HISTOGRAM_COUNTS_100("Bluetooth.ConnectedDeviceCount", count);
}
}
void BluetoothAdapterBlueZ::InputPropertyChanged(
const dbus::ObjectPath& object_path,
const std::string& property_name) {
BluetoothDeviceBlueZ* device_bluez = GetDeviceWithPath(object_path);
if (!device_bluez)
return;
bluez::BluetoothInputClient::Properties* properties =
bluez::BluezDBusManager::Get()->GetBluetoothInputClient()->GetProperties(
object_path);
// Properties structure can be removed, which triggers a change in the
// BluetoothDevice::IsConnectable() property, as does a change in the
// actual reconnect_mode property.
if (!properties || property_name == properties->reconnect_mode.name()) {
NotifyDeviceChanged(device_bluez);
}
}
void BluetoothAdapterBlueZ::Released() {
BLUETOOTH_LOG(EVENT) << "Released";
if (!IsPresent())
return;
DCHECK(agent_.get());
// Called after we unregister the pairing agent, e.g. when changing I/O
// capabilities. Nothing much to be done right now.
}
void BluetoothAdapterBlueZ::RequestPinCode(const dbus::ObjectPath& device_path,
const PinCodeCallback& callback) {
DCHECK(IsPresent());
DCHECK(agent_.get());
BLUETOOTH_LOG(EVENT) << device_path.value() << ": RequestPinCode";
BluetoothPairingBlueZ* pairing = GetPairing(device_path);
if (!pairing) {
callback.Run(REJECTED, "");
return;
}
pairing->RequestPinCode(callback);
}
void BluetoothAdapterBlueZ::DisplayPinCode(const dbus::ObjectPath& device_path,
const std::string& pincode) {
DCHECK(IsPresent());
DCHECK(agent_.get());
BLUETOOTH_LOG(EVENT) << device_path.value()
<< ": DisplayPinCode: " << pincode;
BluetoothPairingBlueZ* pairing = GetPairing(device_path);
if (!pairing)
return;
pairing->DisplayPinCode(pincode);
}
void BluetoothAdapterBlueZ::RequestPasskey(const dbus::ObjectPath& device_path,
const PasskeyCallback& callback) {
DCHECK(IsPresent());
DCHECK(agent_.get());
BLUETOOTH_LOG(EVENT) << device_path.value() << ": RequestPasskey";
BluetoothPairingBlueZ* pairing = GetPairing(device_path);
if (!pairing) {
callback.Run(REJECTED, 0);
return;
}
pairing->RequestPasskey(callback);
}
void BluetoothAdapterBlueZ::DisplayPasskey(const dbus::ObjectPath& device_path,
uint32_t passkey,
uint16_t entered) {
DCHECK(IsPresent());
DCHECK(agent_.get());
BLUETOOTH_LOG(EVENT) << device_path.value() << ": DisplayPasskey: " << passkey
<< " (" << entered << " entered)";
BluetoothPairingBlueZ* pairing = GetPairing(device_path);
if (!pairing)
return;
if (entered == 0)
pairing->DisplayPasskey(passkey);
pairing->KeysEntered(entered);
}
void BluetoothAdapterBlueZ::RequestConfirmation(
const dbus::ObjectPath& device_path,
uint32_t passkey,
const ConfirmationCallback& callback) {
DCHECK(IsPresent());
DCHECK(agent_.get());
BLUETOOTH_LOG(EVENT) << device_path.value()
<< ": RequestConfirmation: " << passkey;
BluetoothPairingBlueZ* pairing = GetPairing(device_path);
if (!pairing) {
callback.Run(REJECTED);
return;
}
pairing->RequestConfirmation(passkey, callback);
}
void BluetoothAdapterBlueZ::RequestAuthorization(
const dbus::ObjectPath& device_path,
const ConfirmationCallback& callback) {
DCHECK(IsPresent());
DCHECK(agent_.get());
BLUETOOTH_LOG(EVENT) << device_path.value() << ": RequestAuthorization";
BluetoothPairingBlueZ* pairing = GetPairing(device_path);
if (!pairing) {
callback.Run(REJECTED);
return;
}
pairing->RequestAuthorization(callback);
}
void BluetoothAdapterBlueZ::AuthorizeService(
const dbus::ObjectPath& device_path,
const std::string& uuid,
const ConfirmationCallback& callback) {
DCHECK(IsPresent());
DCHECK(agent_.get());
BLUETOOTH_LOG(EVENT) << device_path.value() << ": AuthorizeService: " << uuid;
BluetoothDeviceBlueZ* device_bluez = GetDeviceWithPath(device_path);
if (!device_bluez) {
callback.Run(CANCELLED);
return;
}
// We always set paired devices to Trusted, so the only reason that this
// method call would ever be called is in the case of a race condition where
// our "Set('Trusted', true)" method call is still pending in the Bluetooth
// daemon because it's busy handling the incoming connection.
if (device_bluez->IsPaired()) {
callback.Run(SUCCESS);
return;
}
// TODO(keybuk): reject service authorizations when not paired, determine
// whether this is acceptable long-term.
BLUETOOTH_LOG(ERROR) << "Rejecting service connection from unpaired device "
<< device_bluez->GetAddress() << " for UUID " << uuid;
callback.Run(REJECTED);
}
void BluetoothAdapterBlueZ::Cancel() {
DCHECK(IsPresent());
DCHECK(agent_.get());
BLUETOOTH_LOG(EVENT) << "Cancel";
}
void BluetoothAdapterBlueZ::OnRegisterAgent() {
BLUETOOTH_LOG(EVENT)
<< "Pairing agent registered, requesting to be made default";
bluez::BluezDBusManager::Get()
->GetBluetoothAgentManagerClient()
->RequestDefaultAgent(
dbus::ObjectPath(kAgentPath),
base::Bind(&BluetoothAdapterBlueZ::OnRequestDefaultAgent,
weak_ptr_factory_.GetWeakPtr()),
base::Bind(&BluetoothAdapterBlueZ::OnRequestDefaultAgentError,
weak_ptr_factory_.GetWeakPtr()));
}
void BluetoothAdapterBlueZ::OnRegisterAgentError(
const std::string& error_name,
const std::string& error_message) {
// Our agent being already registered isn't an error.
if (error_name == bluetooth_agent_manager::kErrorAlreadyExists)
return;
BLUETOOTH_LOG(ERROR) << "Failed to register pairing agent: " << error_name
<< ": " << error_message;
}
void BluetoothAdapterBlueZ::OnRequestDefaultAgent() {
BLUETOOTH_LOG(EVENT) << "Pairing agent now default";
}
void BluetoothAdapterBlueZ::OnRequestDefaultAgentError(
const std::string& error_name,
const std::string& error_message) {
BLUETOOTH_LOG(ERROR) << "Failed to make pairing agent default: " << error_name
<< ": " << error_message;
}
void BluetoothAdapterBlueZ::CreateServiceRecord(
const BluetoothServiceRecordBlueZ& record,
const ServiceRecordCallback& callback,
const ServiceRecordErrorCallback& error_callback) {
bluez::BluezDBusManager::Get()
->GetBluetoothAdapterClient()
->CreateServiceRecord(
object_path_, record, callback,
base::Bind(&BluetoothAdapterBlueZ::ServiceRecordErrorConnector,
weak_ptr_factory_.GetWeakPtr(), error_callback));
}
void BluetoothAdapterBlueZ::RemoveServiceRecord(
uint32_t handle,
const base::Closure& callback,
const ServiceRecordErrorCallback& error_callback) {
bluez::BluezDBusManager::Get()
->GetBluetoothAdapterClient()
->RemoveServiceRecord(
object_path_, handle, callback,
base::Bind(&BluetoothAdapterBlueZ::ServiceRecordErrorConnector,
weak_ptr_factory_.GetWeakPtr(), error_callback));
}
BluetoothDeviceBlueZ* BluetoothAdapterBlueZ::GetDeviceWithPath(
const dbus::ObjectPath& object_path) {
if (!IsPresent())
return nullptr;
for (auto iter = devices_.begin(); iter != devices_.end(); ++iter) {
BluetoothDeviceBlueZ* device_bluez =
static_cast<BluetoothDeviceBlueZ*>(iter->second.get());
if (device_bluez->object_path() == object_path)
return device_bluez;
}
return nullptr;
}
BluetoothPairingBlueZ* BluetoothAdapterBlueZ::GetPairing(
const dbus::ObjectPath& object_path) {
DCHECK(IsPresent());
BluetoothDeviceBlueZ* device_bluez = GetDeviceWithPath(object_path);
if (!device_bluez) {
BLUETOOTH_LOG(ERROR) << "Pairing Agent request for unknown device: "
<< object_path.value();
return nullptr;
}
BluetoothPairingBlueZ* pairing = device_bluez->GetPairing();
if (pairing)
return pairing;
// The device doesn't have its own pairing context, so this is an incoming
// pairing request that should use our best default delegate (if we have one).
BluetoothDevice::PairingDelegate* pairing_delegate = DefaultPairingDelegate();
if (!pairing_delegate)
return nullptr;
return device_bluez->BeginPairing(pairing_delegate);
}
void BluetoothAdapterBlueZ::SetAdapter(const dbus::ObjectPath& object_path) {
DCHECK(!IsPresent());
DCHECK(!dbus_is_shutdown_);
object_path_ = object_path;
BLUETOOTH_LOG(EVENT) << object_path_.value() << ": using adapter.";
BLUETOOTH_LOG(DEBUG) << "Registering pairing agent";
bluez::BluezDBusManager::Get()
->GetBluetoothAgentManagerClient()
->RegisterAgent(dbus::ObjectPath(kAgentPath),
bluetooth_agent_manager::kKeyboardDisplayCapability,
base::Bind(&BluetoothAdapterBlueZ::OnRegisterAgent,
weak_ptr_factory_.GetWeakPtr()),
base::Bind(&BluetoothAdapterBlueZ::OnRegisterAgentError,
weak_ptr_factory_.GetWeakPtr()));
#if defined(OS_CHROMEOS)
SetStandardChromeOSAdapterName();
#endif
bluez::BluetoothAdapterClient::Properties* properties =
bluez::BluezDBusManager::Get()
->GetBluetoothAdapterClient()
->GetProperties(object_path_);