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nearby/internal/platform/implementation/linux/bluetooth_adapter.h
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// Copyright 2020 Google LLC
//
// 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
//
// https://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.
#ifndef PLATFORM_LINUX_IMPL_BLUETOOTH_ADAPTER_H_
#define PLATFORM_LINUX_IMPL_BLUETOOTH_ADAPTER_H_
#include <string>
#include <sdbus-c++/AdaptorInterfaces.h>
#include <sdbus-c++/ProxyInterfaces.h>
#include "absl/base/attributes.h"
#include "absl/strings/string_view.h"
#include "internal/platform/implementation/bluetooth_adapter.h"
#include "internal/platform/implementation/linux/generated/bluez_adapter_client_glue.h"
#include "internal/platform/mac_address.h"
#include "internal/platform/implementation/bluetooth_classic.h"
constexpr uint8_t kAndroidDiscoverableBluetoothNameMaxLength = 37; // bytes
namespace nearby {
namespace linux {
// https://developer.android.com/reference/android/bluetooth/BluetoothAdapter.html
class BluetoothAdapter : public api::BluetoothAdapter, public sdbus::ProxyInterfaces<org::bluez::Adapter1_proxy> {
public:
BluetoothAdapter(sdbus::IConnection& system_bus,
const sdbus::ObjectPath& object_path): ProxyInterfaces(
system_bus,
"org.bluez", object_path )
{
registerProxy();
};
~BluetoothAdapter() override
{
unregisterProxy();
};
//// Eligible statuses of the BluetoothAdapter.
//enum class Status {
// kDisabled,
// kEnabled,
//};
// Synchronously sets the status of the BluetoothAdapter to 'status', and
// returns true if the operation was a success.
bool SetStatus(Status status) override;
// Returns true if the BluetoothAdapter's current status is
// Status::Value::kEnabled.
bool IsEnabled() const override;
// Scan modes of a BluetoothAdapter, as described at
// https://developer.android.com/reference/android/bluetooth/BluetoothAdapter.html#getScanMode().
//enum class ScanMode {
// kUnknown,
// kNone,
// kConnectable,
// kConnectableDiscoverable,
//};
// https://developer.android.com/reference/android/bluetooth/BluetoothAdapter.html#getScanMode()
//
// Returns ScanMode::kUnknown on error.
ScanMode GetScanMode() const override;
// Synchronously sets the scan mode of the adapter, and returns true if the
// operation was a success.
bool SetScanMode(ScanMode scan_mode) override;
// https://developer.android.com/reference/android/bluetooth/BluetoothAdapter.html#getName()
// Returns an empty string on error
std::string GetName() const override;
// https://developer.android.com/reference/android/bluetooth/BluetoothAdapter.html#setName(java.lang.String)
bool SetName(absl::string_view name) override;
bool SetName(absl::string_view name, bool persist) override;
// Returns BT MAC address assigned to this adapter.
ABSL_DEPRECATED("Use GetAddress() instead.")
std::string GetMacAddress() const override;
// Implementation for migration only. Once subclasses implement this, the
// above GetMacAddress() can be removed.
MacAddress GetAddress() const override {
std::string mac_address = GetMacAddress();
if (mac_address.empty()) {
return {};
}
MacAddress address;
MacAddress::FromString(mac_address, address);
return address;
}
};
// https://developer.android.com/reference/android/bluetooth/BluetoothDevice.html.
class BluetoothDevice : public api::BluetoothDevice {
public:
~BluetoothDevice() override = default;
// https://developer.android.com/reference/android/bluetooth/BluetoothDevice.html#getName()
std::string GetName() const override;
std::string GetMacAddress() const override;
MacAddress GetAddress() const override;
BluetoothAdapter& GetAdapter() { return adapter_; }
private:
// Only BluetoothAdapter may instantiate BluetoothDevice.
friend class BluetoothAdapter;
explicit BluetoothDevice(BluetoothAdapter* adapter);
BluetoothAdapter& adapter_;
};
} // namespace linux
} // namespace nearby
#endif // PLATFORM_LINUX_IMPL_BLUETOOTH_ADAPTER_H_