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// Copyright 2017 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.
#ifndef COMPONENTS_CRYPTAUTH_BLE_ADVERTISEMENT_GENERATOR_H_
#define COMPONENTS_CRYPTAUTH_BLE_ADVERTISEMENT_GENERATOR_H_
#include <memory>
#include "base/macros.h"
#include "components/cryptauth/foreground_eid_generator.h"
namespace chromeos {
namespace tether {
class BleAdvertiserImplTest;
class AdHocBleAdvertiserImplTest;
} // namespace tether
} // namespace chromeos
namespace cryptauth {
class LocalDeviceDataProvider;
class RemoteBeaconSeedFetcher;
// Generates advertisements for the ProximityAuth BLE advertisement scheme.
class BleAdvertisementGenerator {
public:
// Generates an advertisement from the current device to the device with ID
// |device_id|. The generated advertisement should be used immediately since
// it is based on the current timestamp.
static std::unique_ptr<DataWithTimestamp> GenerateBleAdvertisement(
const std::string& device_id,
LocalDeviceDataProvider* local_device_data_provider,
RemoteBeaconSeedFetcher* remote_beacon_seed_fetcher);
virtual ~BleAdvertisementGenerator();
protected:
BleAdvertisementGenerator();
virtual std::unique_ptr<DataWithTimestamp> GenerateBleAdvertisementInternal(
const std::string& device_id,
LocalDeviceDataProvider* local_device_data_provider,
RemoteBeaconSeedFetcher* remote_beacon_seed_fetcher);
private:
friend class CryptAuthBleAdvertisementGeneratorTest;
friend class chromeos::tether::BleAdvertiserImplTest;
friend class chromeos::tether::AdHocBleAdvertiserImplTest;
static BleAdvertisementGenerator* instance_;
static void SetInstanceForTesting(BleAdvertisementGenerator* test_generator);
void SetEidGeneratorForTesting(
std::unique_ptr<ForegroundEidGenerator> test_eid_generator);
std::unique_ptr<ForegroundEidGenerator> eid_generator_;
DISALLOW_COPY_AND_ASSIGN(BleAdvertisementGenerator);
};
} // namespace cryptauth
#endif // COMPONENTS_CRYPTAUTH_BLE_ADVERTISEMENT_GENERATOR_H_
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