| // |
| // Copyright (C) 2016 The Android Open Source Project |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at: |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| |
| #include "service/ipc/binder/bluetooth_le_scanner_binder_server.h" |
| |
| #include <base/logging.h> |
| |
| #include "service/adapter.h" |
| |
| using android::String8; |
| using android::String16; |
| using android::binder::Status; |
| |
| namespace ipc { |
| namespace binder { |
| |
| namespace { |
| const int kInvalidInstanceId = -1; |
| } // namespace |
| |
| BluetoothLeScannerBinderServer::BluetoothLeScannerBinderServer( |
| bluetooth::Adapter* adapter) |
| : adapter_(adapter) { |
| CHECK(adapter_); |
| } |
| |
| BluetoothLeScannerBinderServer::~BluetoothLeScannerBinderServer() {} |
| |
| Status BluetoothLeScannerBinderServer::RegisterScanner( |
| const android::sp<IBluetoothLeScannerCallback>& callback, |
| bool* _aidl_return) { |
| VLOG(2) << __func__; |
| bluetooth::LowEnergyScannerFactory* ble_factory = |
| adapter_->GetLeScannerFactory(); |
| |
| *_aidl_return = RegisterInstanceBase(callback, ble_factory); |
| return Status::ok(); |
| } |
| |
| Status BluetoothLeScannerBinderServer::UnregisterScanner(int scanner_id) { |
| VLOG(2) << __func__; |
| UnregisterInstanceBase(scanner_id); |
| return Status::ok(); |
| } |
| |
| Status BluetoothLeScannerBinderServer::UnregisterAll() { |
| VLOG(2) << __func__; |
| UnregisterAllBase(); |
| return Status::ok(); |
| } |
| |
| Status BluetoothLeScannerBinderServer::StartScan( |
| int scanner_id, const android::bluetooth::ScanSettings& settings, |
| const std::vector<android::bluetooth::ScanFilter>& filters, |
| bool* _aidl_return) { |
| VLOG(2) << __func__ << " scanner_id: " << scanner_id; |
| std::lock_guard<std::mutex> lock(*maps_lock()); |
| |
| auto scanner = GetLEScanner(scanner_id); |
| if (!scanner) { |
| LOG(ERROR) << "Unknown scanner_id: " << scanner_id; |
| *_aidl_return = false; |
| return Status::ok(); |
| } |
| |
| std::vector<bluetooth::ScanFilter> flt; |
| for (const auto& filter : filters) { |
| flt.push_back(filter); |
| } |
| |
| *_aidl_return = scanner->StartScan(settings, flt); |
| return Status::ok(); |
| } |
| |
| Status BluetoothLeScannerBinderServer::StopScan(int scanner_id, |
| bool* _aidl_return) { |
| VLOG(2) << __func__ << " scanner_id: " << scanner_id; |
| std::lock_guard<std::mutex> lock(*maps_lock()); |
| |
| auto scanner = GetLEScanner(scanner_id); |
| if (!scanner) { |
| LOG(ERROR) << "Unknown scanner_id: " << scanner_id; |
| *_aidl_return = false; |
| return Status::ok(); |
| } |
| |
| *_aidl_return = scanner->StopScan(); |
| return Status::ok(); |
| } |
| |
| void BluetoothLeScannerBinderServer::OnScanResult( |
| bluetooth::LowEnergyScanner* scanner, const bluetooth::ScanResult& result) { |
| VLOG(2) << __func__; |
| std::lock_guard<std::mutex> lock(*maps_lock()); |
| |
| int scanner_id = scanner->GetInstanceId(); |
| auto cb = GetLECallback(scanner->GetInstanceId()); |
| if (!cb.get()) { |
| VLOG(2) << "Scanner was unregistered - scanner_id: " << scanner_id; |
| return; |
| } |
| |
| cb->OnScanResult(result); |
| } |
| |
| android::sp<IBluetoothLeScannerCallback> |
| BluetoothLeScannerBinderServer::GetLECallback(int scanner_id) { |
| auto cb = GetCallback(scanner_id); |
| return android::sp<IBluetoothLeScannerCallback>( |
| static_cast<IBluetoothLeScannerCallback*>(cb.get())); |
| } |
| |
| std::shared_ptr<bluetooth::LowEnergyScanner> |
| BluetoothLeScannerBinderServer::GetLEScanner(int scanner_id) { |
| return std::static_pointer_cast<bluetooth::LowEnergyScanner>( |
| GetInstance(scanner_id)); |
| } |
| |
| void BluetoothLeScannerBinderServer::OnRegisterInstanceImpl( |
| bluetooth::BLEStatus status, android::sp<IInterface> callback, |
| bluetooth::BluetoothInstance* instance) { |
| VLOG(1) << __func__ << " status: " << status; |
| bluetooth::LowEnergyScanner* le_scanner = |
| static_cast<bluetooth::LowEnergyScanner*>(instance); |
| le_scanner->SetDelegate(this); |
| |
| android::sp<IBluetoothLeScannerCallback> cb( |
| static_cast<IBluetoothLeScannerCallback*>(callback.get())); |
| cb->OnScannerRegistered(status, (status == bluetooth::BLE_STATUS_SUCCESS) |
| ? instance->GetInstanceId() |
| : kInvalidInstanceId); |
| } |
| |
| } // namespace binder |
| } // namespace ipc |