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- // Copyright (c) 2012 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/bluetooth_device_win.h"
- #include <string>
- #include <unordered_map>
- #include "base/bind.h"
- #include "base/check_op.h"
- #include "base/memory/ptr_util.h"
- #include "base/notreached.h"
- #include "base/task/sequenced_task_runner.h"
- #include "device/bluetooth/bluetooth_adapter_win.h"
- #include "device/bluetooth/bluetooth_remote_gatt_service_win.h"
- #include "device/bluetooth/bluetooth_service_record_win.h"
- #include "device/bluetooth/bluetooth_socket_thread.h"
- #include "device/bluetooth/bluetooth_socket_win.h"
- #include "device/bluetooth/bluetooth_task_manager_win.h"
- #include "device/bluetooth/public/cpp/bluetooth_address.h"
- #include "device/bluetooth/public/cpp/bluetooth_uuid.h"
- namespace {
- const char kApiUnavailable[] = "This API is not implemented on this platform.";
- } // namespace
- namespace device {
- BluetoothDeviceWin::BluetoothDeviceWin(
- BluetoothAdapterWin* adapter,
- const BluetoothTaskManagerWin::DeviceState& device_state,
- scoped_refptr<base::SequencedTaskRunner> ui_task_runner,
- scoped_refptr<BluetoothSocketThread> socket_thread)
- : BluetoothDevice(adapter),
- ui_task_runner_(std::move(ui_task_runner)),
- socket_thread_(std::move(socket_thread)) {
- Update(device_state);
- }
- BluetoothDeviceWin::~BluetoothDeviceWin() {
- // Explicitly take and erase GATT services one by one to ensure that calling
- // GetGattService on removed service in GattServiceRemoved returns null.
- std::vector<std::string> service_keys;
- for (const auto& gatt_service : gatt_services_) {
- service_keys.push_back(gatt_service.first);
- }
- for (const auto& key : service_keys) {
- std::unique_ptr<BluetoothRemoteGattService> service =
- std::move(gatt_services_[key]);
- gatt_services_.erase(key);
- }
- }
- uint32_t BluetoothDeviceWin::GetBluetoothClass() const {
- return bluetooth_class_;
- }
- std::string BluetoothDeviceWin::GetAddress() const {
- return address_;
- }
- BluetoothDevice::AddressType BluetoothDeviceWin::GetAddressType() const {
- NOTIMPLEMENTED();
- return ADDR_TYPE_UNKNOWN;
- }
- BluetoothDevice::VendorIDSource
- BluetoothDeviceWin::GetVendorIDSource() const {
- return VENDOR_ID_UNKNOWN;
- }
- uint16_t BluetoothDeviceWin::GetVendorID() const {
- return 0;
- }
- uint16_t BluetoothDeviceWin::GetProductID() const {
- return 0;
- }
- uint16_t BluetoothDeviceWin::GetDeviceID() const {
- return 0;
- }
- uint16_t BluetoothDeviceWin::GetAppearance() const {
- // TODO(crbug.com/588083): Implementing GetAppearance()
- // on mac, win, and android platforms for chrome
- NOTIMPLEMENTED();
- return 0;
- }
- absl::optional<std::string> BluetoothDeviceWin::GetName() const {
- return name_;
- }
- bool BluetoothDeviceWin::IsPaired() const {
- return paired_;
- }
- bool BluetoothDeviceWin::IsConnected() const {
- return connected_;
- }
- bool BluetoothDeviceWin::IsGattConnected() const {
- // If a BLE device is not GATT connected, Windows will automatically
- // reconnect.
- return is_low_energy_;
- }
- bool BluetoothDeviceWin::IsConnectable() const {
- return false;
- }
- bool BluetoothDeviceWin::IsConnecting() const {
- return false;
- }
- BluetoothDevice::UUIDSet BluetoothDeviceWin::GetUUIDs() const {
- return uuids_;
- }
- absl::optional<int8_t> BluetoothDeviceWin::GetInquiryRSSI() const {
- // In windows, we can only get connected devices and connected
- // devices don't have an Inquiry RSSI.
- return absl::nullopt;
- }
- absl::optional<int8_t> BluetoothDeviceWin::GetInquiryTxPower() const {
- // In windows, we can only get connected devices and connected
- // devices don't have an Inquiry Tx Power.
- return absl::nullopt;
- }
- bool BluetoothDeviceWin::ExpectingPinCode() const {
- NOTIMPLEMENTED();
- return false;
- }
- bool BluetoothDeviceWin::ExpectingPasskey() const {
- NOTIMPLEMENTED();
- return false;
- }
- bool BluetoothDeviceWin::ExpectingConfirmation() const {
- NOTIMPLEMENTED();
- return false;
- }
- void BluetoothDeviceWin::GetConnectionInfo(ConnectionInfoCallback callback) {
- NOTIMPLEMENTED();
- std::move(callback).Run(ConnectionInfo());
- }
- void BluetoothDeviceWin::SetConnectionLatency(
- ConnectionLatency connection_latency,
- base::OnceClosure callback,
- ErrorCallback error_callback) {
- NOTIMPLEMENTED();
- }
- void BluetoothDeviceWin::Connect(PairingDelegate* pairing_delegate,
- ConnectCallback callback) {
- NOTIMPLEMENTED();
- }
- void BluetoothDeviceWin::SetPinCode(const std::string& pincode) {
- NOTIMPLEMENTED();
- }
- void BluetoothDeviceWin::SetPasskey(uint32_t passkey) {
- NOTIMPLEMENTED();
- }
- void BluetoothDeviceWin::ConfirmPairing() {
- NOTIMPLEMENTED();
- }
- void BluetoothDeviceWin::RejectPairing() {
- NOTIMPLEMENTED();
- }
- void BluetoothDeviceWin::CancelPairing() {
- NOTIMPLEMENTED();
- }
- void BluetoothDeviceWin::Disconnect(base::OnceClosure callback,
- ErrorCallback error_callback) {
- NOTIMPLEMENTED();
- }
- void BluetoothDeviceWin::Forget(base::OnceClosure callback,
- ErrorCallback error_callback) {
- NOTIMPLEMENTED();
- }
- void BluetoothDeviceWin::ConnectToService(
- const BluetoothUUID& uuid,
- ConnectToServiceCallback callback,
- ConnectToServiceErrorCallback error_callback) {
- scoped_refptr<BluetoothSocketWin> socket(
- BluetoothSocketWin::CreateBluetoothSocket(
- ui_task_runner_, socket_thread_));
- socket->Connect(this, uuid, base::BindOnce(std::move(callback), socket),
- std::move(error_callback));
- }
- void BluetoothDeviceWin::ConnectToServiceInsecurely(
- const BluetoothUUID& uuid,
- ConnectToServiceCallback callback,
- ConnectToServiceErrorCallback error_callback) {
- std::move(error_callback).Run(kApiUnavailable);
- }
- const BluetoothServiceRecordWin* BluetoothDeviceWin::GetServiceRecord(
- const device::BluetoothUUID& uuid) const {
- for (const auto& record : service_record_list_)
- if (record->uuid() == uuid)
- return record.get();
- return nullptr;
- }
- bool BluetoothDeviceWin::IsEqual(
- const BluetoothTaskManagerWin::DeviceState& device_state) {
- if (address_ != device_state.address || name_ != device_state.name ||
- bluetooth_class_ != device_state.bluetooth_class ||
- visible_ != device_state.visible ||
- connected_ != device_state.connected ||
- is_low_energy_ == device_state.is_bluetooth_classic() ||
- paired_ != device_state.authenticated) {
- return false;
- }
- // Checks service collection
- UUIDSet new_services;
- std::unordered_map<std::string, std::unique_ptr<BluetoothServiceRecordWin>>
- new_service_records;
- for (auto iter = device_state.service_record_states.begin();
- iter != device_state.service_record_states.end(); ++iter) {
- auto service_record = std::make_unique<BluetoothServiceRecordWin>(
- address_, (*iter)->name, (*iter)->sdp_bytes, (*iter)->gatt_uuid);
- new_services.insert(service_record->uuid());
- new_service_records[service_record->uuid().canonical_value()] =
- std::move(service_record);
- }
- // Check that no new services have been added or removed.
- if (uuids_ != new_services) {
- return false;
- }
- for (const auto& service_record : service_record_list_) {
- BluetoothServiceRecordWin* new_service_record =
- new_service_records[service_record->uuid().canonical_value()].get();
- if (!service_record->IsEqual(*new_service_record))
- return false;
- }
- return true;
- }
- void BluetoothDeviceWin::Update(
- const BluetoothTaskManagerWin::DeviceState& device_state) {
- address_ = device_state.address;
- // Note: Callers are responsible for providing a canonicalized address.
- DCHECK_EQ(address_, CanonicalizeBluetoothAddress(address_));
- name_ = device_state.name;
- bluetooth_class_ = device_state.bluetooth_class;
- visible_ = device_state.visible;
- connected_ = device_state.connected;
- is_low_energy_ = !device_state.is_bluetooth_classic();
- paired_ = device_state.authenticated;
- UpdateServices(device_state);
- }
- void BluetoothDeviceWin::GattServiceDiscoveryComplete(
- BluetoothRemoteGattServiceWin* service) {
- DCHECK(ui_task_runner_->RunsTasksInCurrentSequence());
- DCHECK(BluetoothDeviceWin::IsGattServiceDiscovered(
- service->GetUUID(), service->GetAttributeHandle()));
- discovery_completed_included_services_.insert(
- {service->GetUUID(), service->GetAttributeHandle()});
- if (discovery_completed_included_services_.size() != gatt_services_.size())
- return;
- SetGattServicesDiscoveryComplete(true);
- adapter_->NotifyGattServicesDiscovered(this);
- }
- void BluetoothDeviceWin::CreateGattConnectionImpl(
- absl::optional<BluetoothUUID> service_uuid) {
- // Windows will create the Gatt connection as needed. See:
- // https://docs.microsoft.com/en-us/windows/uwp/devices-sensors/gatt-client#connecting-to-the-device
- }
- void BluetoothDeviceWin::DisconnectGatt() {
- // On Windows, the adapter cannot force a disconnection.
- }
- void BluetoothDeviceWin::SetVisible(bool visible) {
- visible_ = visible;
- }
- void BluetoothDeviceWin::UpdateServices(
- const BluetoothTaskManagerWin::DeviceState& device_state) {
- uuids_.clear();
- service_record_list_.clear();
- for (const auto& record_state : device_state.service_record_states) {
- auto service_record = std::make_unique<BluetoothServiceRecordWin>(
- device_state.address, record_state->name, record_state->sdp_bytes,
- record_state->gatt_uuid);
- uuids_.insert(service_record->uuid());
- service_record_list_.push_back(std::move(service_record));
- }
- if (!device_state.is_bluetooth_classic())
- UpdateGattServices(device_state.service_record_states);
- }
- bool BluetoothDeviceWin::IsGattServiceDiscovered(const BluetoothUUID& uuid,
- uint16_t attribute_handle) {
- for (const auto& gatt_service : gatt_services_) {
- uint16_t it_att_handle =
- static_cast<BluetoothRemoteGattServiceWin*>(gatt_service.second.get())
- ->GetAttributeHandle();
- BluetoothUUID it_uuid = gatt_service.second->GetUUID();
- if (attribute_handle == it_att_handle && uuid == it_uuid) {
- return true;
- }
- }
- return false;
- }
- bool BluetoothDeviceWin::DoesGattServiceExist(
- const std::vector<std::unique_ptr<
- BluetoothTaskManagerWin::ServiceRecordState>>& service_state,
- BluetoothRemoteGattService* service) {
- uint16_t attribute_handle =
- static_cast<BluetoothRemoteGattServiceWin*>(service)
- ->GetAttributeHandle();
- BluetoothUUID uuid = service->GetUUID();
- for (const auto& record_state : service_state) {
- if (attribute_handle == record_state->attribute_handle &&
- uuid == record_state->gatt_uuid) {
- return true;
- }
- }
- return false;
- }
- void BluetoothDeviceWin::UpdateGattServices(
- const std::vector<
- std::unique_ptr<BluetoothTaskManagerWin::ServiceRecordState>>&
- service_state) {
- // First, remove no longer existent GATT service.
- {
- std::vector<std::string> to_be_removed_services;
- for (const auto& gatt_service : gatt_services_) {
- if (!DoesGattServiceExist(service_state, gatt_service.second.get())) {
- to_be_removed_services.push_back(gatt_service.first);
- }
- }
- for (const auto& service : to_be_removed_services) {
- std::unique_ptr<BluetoothRemoteGattService> service_ptr =
- std::move(gatt_services_[service]);
- gatt_services_.erase(service);
- }
- // Update previously discovered services.
- for (const auto& gatt_service : gatt_services_) {
- static_cast<BluetoothRemoteGattServiceWin*>(gatt_service.second.get())
- ->Update();
- }
- }
- // Return if no new services have been added.
- if (gatt_services_.size() == service_state.size())
- return;
- // Add new services.
- for (const auto& record_state : service_state) {
- if (!IsGattServiceDiscovered(record_state->gatt_uuid,
- record_state->attribute_handle)) {
- BluetoothRemoteGattServiceWin* primary_service =
- new BluetoothRemoteGattServiceWin(
- this, record_state->path, record_state->gatt_uuid,
- record_state->attribute_handle, true, nullptr, ui_task_runner_);
- gatt_services_[primary_service->GetIdentifier()] =
- base::WrapUnique(primary_service);
- adapter_->NotifyGattServiceAdded(primary_service);
- }
- }
- }
- } // namespace device
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