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nearby/connections/implementation/mediums/ble_v2_test.cc
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2025-07-27 20:09:02 -07:00

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// Copyright 2022 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.
#include "connections/implementation/mediums/ble_v2.h"
#include <cstdint>
#include <string>
#include <utility>
#include "gtest/gtest.h"
#include "absl/strings/string_view.h"
#include "absl/time/time.h"
#include "connections/implementation/flags/nearby_connections_feature_flags.h"
#include "connections/implementation/mediums/ble_v2/discovered_peripheral_callback.h"
#include "connections/implementation/mediums/bluetooth_radio.h"
#include "connections/implementation/pcp.h"
#include "connections/power_level.h"
#include "internal/flags/nearby_flags.h"
#include "internal/platform/ble_v2.h"
#include "internal/platform/byte_array.h"
#include "internal/platform/cancellation_flag.h"
#include "internal/platform/count_down_latch.h"
#include "internal/platform/expected.h"
#include "internal/platform/feature_flags.h"
#include "internal/platform/implementation/system_clock.h"
#include "internal/platform/logging.h"
#include "internal/platform/medium_environment.h"
namespace nearby {
namespace connections {
namespace {
using FeatureFlags = FeatureFlags::Flags;
constexpr FeatureFlags kTestCases[] = {
FeatureFlags{
.enable_cancellation_flag = true,
},
FeatureFlags{
.enable_cancellation_flag = false,
},
};
constexpr absl::Duration kWaitDuration = absl::Milliseconds(1000);
constexpr int64_t kPeripheralLostTimeoutInMillis = 1000;
constexpr absl::string_view kServiceIDA =
"com.google.location.nearby.apps.test.a";
constexpr absl::string_view kServiceIDB =
"com.google.location.nearby.apps.test.b";
constexpr absl::string_view kAdvertisementString = "\x0a\x0b\x0c\x0d";
constexpr absl::string_view kAdvertisementStringB = "\x01\x02\x03\x04";
constexpr absl::string_view kLocalEndpointId = "local_endpoint_id";
constexpr absl::string_view kFastAdvertisementServiceUuid{"\xf3\xfe"};
class BleV2Test : public testing::TestWithParam<FeatureFlags> {
public:
void SetUp() override {
NearbyFlags::GetInstance().OverrideInt64FlagValue(
config_package_nearby::nearby_connections_feature::
kBlePeripheralLostTimeoutMillis,
/*ms=*/kPeripheralLostTimeoutInMillis);
}
protected:
MediumEnvironment& env_{MediumEnvironment::Instance()};
};
TEST_P(BleV2Test, CanConnect) {
FeatureFlags feature_flags = GetParam();
env_.SetFeatureFlags(feature_flags);
env_.Start();
BluetoothRadio radio_client;
BluetoothRadio radio_server;
BleV2 ble_client{radio_client};
BleV2 ble_server{radio_server};
radio_client.Enable();
radio_server.Enable();
std::string service_id(kServiceIDA);
ByteArray advertisement_bytes{std::string(kAdvertisementString)};
CountDownLatch discovered_latch(1);
CountDownLatch accept_latch(1);
BleV2Socket socket_for_server;
EXPECT_TRUE(ble_server.StartAcceptingConnections(
service_id, [&](BleV2Socket socket, const std::string&) {
socket_for_server = std::move(socket);
accept_latch.CountDown();
}));
ble_server.StartAdvertising(service_id, PowerLevel::kHighPower,
BleV2::AdvertisingType::kFast,
advertisement_bytes);
BleV2Peripheral discovered_peripheral;
ble_client.StartScanning(
service_id, Pcp::kP2pPointToPoint, PowerLevel::kHighPower,
/*include_dct_advertisement=*/false,
mediums::DiscoveredPeripheralCallback{
.peripheral_discovered_cb =
[&discovered_latch, &discovered_peripheral](
BleV2Peripheral peripheral, const std::string& service_id,
const ByteArray& advertisement_bytes,
bool fast_advertisement) {
discovered_peripheral = peripheral;
LOG(INFO) << "Discovered peripheral, fast advertisement="
<< fast_advertisement;
discovered_latch.CountDown();
},
});
discovered_latch.Await(kWaitDuration).result();
ASSERT_TRUE(discovered_peripheral.IsValid());
CancellationFlag flag;
ErrorOr<BleV2Socket> socket_for_client_result =
ble_client.Connect(service_id, discovered_peripheral, &flag);
EXPECT_TRUE(accept_latch.Await(kWaitDuration).result());
EXPECT_TRUE(ble_server.StopAcceptingConnections(service_id));
EXPECT_TRUE(ble_server.StopAdvertising(service_id));
EXPECT_TRUE(socket_for_server.IsValid());
EXPECT_TRUE(socket_for_client_result.has_value());
EXPECT_TRUE(socket_for_client_result.value().IsValid());
EXPECT_TRUE(socket_for_server.GetRemotePeripheral().IsValid());
EXPECT_TRUE(socket_for_client_result.value().GetRemotePeripheral().IsValid());
env_.Stop();
}
TEST_P(BleV2Test, CanCancelConnect) {
FeatureFlags feature_flags = GetParam();
env_.SetFeatureFlags(feature_flags);
env_.Start();
BluetoothRadio radio_client;
BluetoothRadio radio_server;
BleV2 ble_client{radio_client};
BleV2 ble_server{radio_server};
radio_client.Enable();
radio_server.Enable();
std::string service_id(kServiceIDA);
ByteArray advertisement_bytes{std::string(kAdvertisementString)};
CountDownLatch discovered_latch(1);
CountDownLatch accept_latch(1);
BleV2Socket socket_for_server;
EXPECT_TRUE(ble_server.StartAcceptingConnections(
service_id, [&](BleV2Socket socket, const std::string&) {
socket_for_server = std::move(socket);
accept_latch.CountDown();
}));
ble_server.StartAdvertising(service_id, PowerLevel::kHighPower,
BleV2::AdvertisingType::kFast,
advertisement_bytes);
BleV2Peripheral discovered_peripheral;
ble_client.StartScanning(
service_id, Pcp::kP2pPointToPoint, PowerLevel::kHighPower,
/*include_dct_advertisement=*/false,
mediums::DiscoveredPeripheralCallback{
.peripheral_discovered_cb =
[&discovered_latch, &discovered_peripheral](
BleV2Peripheral peripheral, const std::string& service_id,
const ByteArray& advertisement_bytes,
bool fast_advertisement) {
discovered_peripheral = peripheral;
LOG(INFO) << "Discovered peripheral, fast advertisement="
<< fast_advertisement;
discovered_latch.CountDown();
},
});
EXPECT_TRUE(discovered_latch.Await(kWaitDuration).result());
ASSERT_TRUE(discovered_peripheral.IsValid());
CancellationFlag flag(true);
ErrorOr<BleV2Socket> socket_for_client_result =
ble_client.Connect(service_id, discovered_peripheral, &flag);
// If FeatureFlag is disabled, Cancelled is false as no-op.
if (!feature_flags.enable_cancellation_flag) {
EXPECT_TRUE(accept_latch.Await(kWaitDuration).result());
EXPECT_TRUE(ble_server.StopAcceptingConnections(service_id));
EXPECT_TRUE(ble_server.StopAdvertising(service_id));
EXPECT_TRUE(socket_for_server.IsValid());
EXPECT_TRUE(socket_for_client_result.has_value());
EXPECT_TRUE(socket_for_client_result.value().IsValid());
EXPECT_TRUE(socket_for_server.GetRemotePeripheral().IsValid());
EXPECT_TRUE(
socket_for_client_result.value().GetRemotePeripheral().IsValid());
} else {
EXPECT_FALSE(accept_latch.Await(kWaitDuration).result());
EXPECT_TRUE(ble_server.StopAcceptingConnections(service_id));
EXPECT_TRUE(ble_server.StopAdvertising(service_id));
EXPECT_FALSE(socket_for_server.IsValid());
EXPECT_TRUE(socket_for_client_result.has_error());
}
env_.Stop();
}
INSTANTIATE_TEST_SUITE_P(ParametrisedBleTest, BleV2Test,
::testing::ValuesIn(kTestCases));
TEST_F(BleV2Test, CanConstructValidObject) {
env_.Start();
BluetoothRadio radio_a;
BluetoothRadio radio_b;
BleV2 ble_a(radio_a);
BleV2 ble_b(radio_b);
EXPECT_TRUE(ble_a.IsMediumValid());
EXPECT_TRUE(ble_a.IsAvailable());
EXPECT_TRUE(ble_b.IsMediumValid());
EXPECT_TRUE(ble_b.IsAvailable());
EXPECT_NE(&radio_a.GetBluetoothAdapter(), &radio_b.GetBluetoothAdapter());
env_.Stop();
}
TEST_F(BleV2Test, CanNotStartAdvertisingWithEmptyAdvertisementBytes) {
env_.Start();
BluetoothRadio radio_a;
BleV2 ble_a(radio_a);
radio_a.Enable();
ByteArray advertisement_bytes;
EXPECT_FALSE(ble_a.StartAdvertising(
std::string(kServiceIDA), PowerLevel::kHighPower,
BleV2::AdvertisingType::kRegular, advertisement_bytes));
env_.Stop();
}
TEST_F(BleV2Test, CanNotStartAdvertisingWhenRadioNotEnabled) {
env_.Start();
BluetoothRadio radio_a;
BleV2 ble_a(radio_a);
radio_a.Disable();
ByteArray advertisement_bytes((std::string(kAdvertisementString)));
EXPECT_FALSE(ble_a.StartAdvertising(
std::string(kServiceIDA), PowerLevel::kHighPower,
BleV2::AdvertisingType::kRegular, advertisement_bytes));
env_.Stop();
}
TEST_F(BleV2Test, CanStartAdvertisingWithDifferentPowerLevels) {
env_.Start();
BluetoothRadio radio_a;
BleV2 ble_a(radio_a);
radio_a.Enable();
ByteArray advertisement_bytes((std::string(kAdvertisementString)));
EXPECT_TRUE(ble_a.StartAdvertising(
std::string(kServiceIDA), PowerLevel::kLowPower,
BleV2::AdvertisingType::kRegular, advertisement_bytes));
EXPECT_TRUE(ble_a.StopAdvertising(std::string(kServiceIDA)));
EXPECT_TRUE(ble_a.StartAdvertising(
std::string(kServiceIDA), PowerLevel::kHighPower,
BleV2::AdvertisingType::kRegular, advertisement_bytes));
EXPECT_TRUE(ble_a.StopAdvertising(std::string(kServiceIDA)));
env_.Stop();
}
TEST_F(BleV2Test, CanStartAdvertisingWithDifferentAdvertisingTypes) {
env_.Start();
BluetoothRadio radio_a;
BleV2 ble_a(radio_a);
radio_a.Enable();
ByteArray advertisement_bytes((std::string(kAdvertisementString)));
EXPECT_TRUE(ble_a.StartAdvertising(
std::string(kServiceIDA), PowerLevel::kHighPower,
BleV2::AdvertisingType::kRegular, advertisement_bytes));
EXPECT_TRUE(ble_a.StopAdvertising(std::string(kServiceIDA)));
EXPECT_TRUE(ble_a.StartAdvertising(
std::string(kServiceIDA), PowerLevel::kHighPower,
BleV2::AdvertisingType::kFast, advertisement_bytes));
EXPECT_TRUE(ble_a.StopAdvertising(std::string(kServiceIDA)));
env_.Stop();
}
TEST_F(BleV2Test, CanStartFastAdvertising) {
env_.Start();
BluetoothRadio radio_a;
BluetoothRadio radio_b;
BleV2 ble_a(radio_a);
BleV2 ble_b(radio_b);
radio_a.Enable();
radio_b.Enable();
ByteArray advertisement_bytes((std::string(kAdvertisementString)));
CountDownLatch found_latch(1);
ble_b.StartScanning(
std::string(kServiceIDA), Pcp::kP2pPointToPoint, PowerLevel::kHighPower,
/*include_dct_advertisement=*/false,
mediums::DiscoveredPeripheralCallback{
.peripheral_discovered_cb =
[&found_latch](BleV2Peripheral peripheral,
const std::string& service_id,
const ByteArray& advertisement_bytes,
bool fast_advertisement) {
EXPECT_TRUE(fast_advertisement);
found_latch.CountDown();
},
});
EXPECT_TRUE(ble_a.StartAdvertising(
std::string(kServiceIDA), PowerLevel::kHighPower,
BleV2::AdvertisingType::kFast, advertisement_bytes));
EXPECT_TRUE(found_latch.Await(kWaitDuration).result());
EXPECT_TRUE(ble_a.StopAdvertising(std::string(kServiceIDA)));
ble_b.StopScanning(std::string(kServiceIDA));
env_.Stop();
}
TEST_F(BleV2Test, CanStartFastScanning) {
env_.Start();
BluetoothRadio radio_a;
BluetoothRadio radio_b;
BleV2 ble_a(radio_a);
BleV2 ble_b(radio_b);
radio_a.Enable();
radio_b.Enable();
ByteArray advertisement_bytes((std::string(kAdvertisementString)));
CountDownLatch found_latch(1);
ble_b.StartAdvertising(std::string(kServiceIDA), PowerLevel::kHighPower,
BleV2::AdvertisingType::kFast, advertisement_bytes);
EXPECT_TRUE(ble_a.StartScanning(
std::string(kServiceIDA), Pcp::kP2pPointToPoint, PowerLevel::kHighPower,
/*include_dct_advertisement=*/false,
mediums::DiscoveredPeripheralCallback{
.peripheral_discovered_cb =
[&found_latch](BleV2Peripheral peripheral,
const std::string& service_id,
const ByteArray& advertisement_bytes,
bool fast_advertisement) {
EXPECT_TRUE(fast_advertisement);
found_latch.CountDown();
},
}));
EXPECT_TRUE(found_latch.Await(kWaitDuration).result());
ble_b.StopAdvertising(std::string(kServiceIDA));
EXPECT_TRUE(ble_a.StopScanning(std::string(kServiceIDA)));
env_.Stop();
}
TEST_F(BleV2Test, CanStartAdvertising) {
env_.Start();
BluetoothRadio radio_a;
BluetoothRadio radio_b;
BleV2 ble_a(radio_a);
BleV2 ble_b(radio_b);
radio_a.Enable();
radio_b.Enable();
ByteArray advertisement_bytes((std::string(kAdvertisementString)));
CountDownLatch found_latch(1);
ble_b.StartScanning(
std::string(kServiceIDA), Pcp::kP2pPointToPoint, PowerLevel::kHighPower,
/*include_dct_advertisement=*/false,
mediums::DiscoveredPeripheralCallback{
.peripheral_discovered_cb =
[&found_latch](BleV2Peripheral peripheral,
const std::string& service_id,
const ByteArray& advertisement_bytes,
bool fast_advertisement) {
EXPECT_FALSE(fast_advertisement);
found_latch.CountDown();
},
});
EXPECT_TRUE(ble_a.StartAdvertising(
std::string(kServiceIDA), PowerLevel::kHighPower,
BleV2::AdvertisingType::kRegular, advertisement_bytes));
EXPECT_TRUE(found_latch.Await(kWaitDuration).result());
EXPECT_TRUE(ble_a.StopAdvertising(std::string(kServiceIDA)));
ble_b.StopScanning(std::string(kServiceIDA));
env_.Stop();
}
TEST_F(BleV2Test, CanStartScanning) {
env_.Start();
BluetoothRadio radio_a;
BluetoothRadio radio_b;
BleV2 ble_a(radio_a);
BleV2 ble_b(radio_b);
radio_a.Enable();
radio_b.Enable();
ByteArray advertisement_bytes((std::string(kAdvertisementString)));
CountDownLatch found_latch(1);
ble_b.StartAdvertising(std::string(kServiceIDA), PowerLevel::kHighPower,
BleV2::AdvertisingType::kRegular, advertisement_bytes);
EXPECT_TRUE(ble_a.StartScanning(
std::string(kServiceIDA), Pcp::kP2pPointToPoint, PowerLevel::kHighPower,
/*include_dct_advertisement=*/false,
mediums::DiscoveredPeripheralCallback{
.peripheral_discovered_cb =
[&found_latch](BleV2Peripheral peripheral,
const std::string& service_id,
const ByteArray& advertisement_bytes,
bool fast_advertisement) {
EXPECT_FALSE(fast_advertisement);
found_latch.CountDown();
},
}));
EXPECT_TRUE(found_latch.Await(kWaitDuration).result());
ble_b.StopAdvertising(std::string(kServiceIDA));
EXPECT_TRUE(ble_a.StopScanning(std::string(kServiceIDA)));
env_.Stop();
}
TEST_F(BleV2Test, CanNotStartScanningWhenRadioNotEnabled) {
env_.Start();
BluetoothRadio radio_a;
BleV2 ble_a(radio_a);
radio_a.Disable();
EXPECT_FALSE(ble_a.StartScanning(
std::string(kServiceIDA), Pcp::kP2pPointToPoint, PowerLevel::kHighPower,
/*include_dct_advertisement=*/false,
mediums::DiscoveredPeripheralCallback{}));
env_.Stop();
}
TEST_F(BleV2Test, CanNotStartAcceptingConnectionsWhenRadioNotEnabled) {
env_.Start();
BluetoothRadio radio_a;
BleV2 ble_a(radio_a);
radio_a.Disable();
EXPECT_FALSE(ble_a.StartAcceptingConnections(
std::string(kServiceIDA),
[&](BleV2Socket socket, const std::string&) {}));
env_.Stop();
}
TEST_F(BleV2Test, CanStartScanningWithDifferentPowerLevels) {
env_.Start();
BluetoothRadio radio_a;
BleV2 ble_a(radio_a);
radio_a.Enable();
EXPECT_TRUE(ble_a.StartScanning(std::string(kServiceIDA),
Pcp::kP2pPointToPoint, PowerLevel::kLowPower,
/*include_dct_advertisement=*/false,
mediums::DiscoveredPeripheralCallback{}));
EXPECT_TRUE(ble_a.StopScanning(std::string(kServiceIDA)));
EXPECT_TRUE(ble_a.StartScanning(std::string(kServiceIDA),
Pcp::kP2pPointToPoint, PowerLevel::kHighPower,
/*include_dct_advertisement=*/false,
mediums::DiscoveredPeripheralCallback{}));
EXPECT_TRUE(ble_a.StopScanning(std::string(kServiceIDA)));
env_.Stop();
}
TEST_F(BleV2Test, CanNotConnectWithInvalidPeripheral) {
env_.Start();
BluetoothRadio radio_client;
BleV2 ble_client{radio_client};
radio_client.Enable();
std::string service_id(kServiceIDA);
BleV2Peripheral invalid_peripheral;
CancellationFlag flag;
ErrorOr<BleV2Socket> socket_for_client_result =
ble_client.Connect(service_id, invalid_peripheral, &flag);
EXPECT_TRUE(socket_for_client_result.has_error());
env_.Stop();
}
TEST_F(BleV2Test, CanNotConnectWithEmptyServiceId) {
env_.Start();
BluetoothRadio radio_client;
BleV2 ble_client{radio_client};
radio_client.Enable();
std::string empty_service_id;
BleV2Peripheral peripheral;
CancellationFlag flag;
ErrorOr<BleV2Socket> socket_for_client_result =
ble_client.Connect(empty_service_id, peripheral, &flag);
EXPECT_TRUE(socket_for_client_result.has_error());
env_.Stop();
}
TEST_F(BleV2Test, CanStartStopMultipleScanningWithDifferentServiceIds) {
env_.Start();
BluetoothRadio radio;
BleV2 ble(radio);
radio.Enable();
EXPECT_TRUE(ble.StartScanning(std::string(kServiceIDA), Pcp::kP2pPointToPoint,
PowerLevel::kHighPower,
/*include_dct_advertisement=*/false,
mediums::DiscoveredPeripheralCallback{}));
EXPECT_TRUE(ble.StartScanning(std::string(kServiceIDB), Pcp::kP2pPointToPoint,
PowerLevel::kHighPower,
/*include_dct_advertisement=*/false,
mediums::DiscoveredPeripheralCallback{}));
EXPECT_TRUE(ble.StopScanning(std::string(kServiceIDA)));
EXPECT_TRUE(ble.StartScanning(std::string(kServiceIDA), Pcp::kP2pPointToPoint,
PowerLevel::kHighPower,
/*include_dct_advertisement=*/false,
mediums::DiscoveredPeripheralCallback{}));
EXPECT_TRUE(ble.StopScanning(std::string(kServiceIDA)));
EXPECT_TRUE(ble.StopScanning(std::string(kServiceIDB)));
env_.Stop();
}
TEST_F(BleV2Test, DestructWorksForStartAdvertisingAndScanningWithoutStop) {
env_.Start();
BluetoothRadio radio_a;
BluetoothRadio radio_b;
BleV2 ble_a(radio_a);
BleV2 ble_b(radio_b);
radio_a.Enable();
radio_b.Enable();
ByteArray advertisement_bytes((std::string(kAdvertisementString)));
// Device A starts advertising with service IDA and IDB.
EXPECT_TRUE(ble_a.StartAdvertising(
std::string(kServiceIDA), PowerLevel::kHighPower,
BleV2::AdvertisingType::kFast, advertisement_bytes));
EXPECT_TRUE(ble_a.StartAdvertising(
std::string(kServiceIDB), PowerLevel::kHighPower,
BleV2::AdvertisingType::kFast, advertisement_bytes));
// Device B starts scanning with service IDA and IDB
EXPECT_TRUE(ble_b.StartScanning(std::string(kServiceIDA),
Pcp::kP2pPointToPoint, PowerLevel::kHighPower,
/*include_dct_advertisement=*/false,
mediums::DiscoveredPeripheralCallback{}));
EXPECT_TRUE(ble_b.StartScanning(std::string(kServiceIDB),
Pcp::kP2pPointToPoint, PowerLevel::kHighPower,
/*include_dct_advertisement=*/false,
mediums::DiscoveredPeripheralCallback{}));
env_.Stop();
}
TEST_F(BleV2Test, StartFastScanningDiscoverAndLostPeripheral) {
env_.Start();
BluetoothRadio radio_a;
BluetoothRadio radio_b;
BleV2 ble_a(radio_a);
BleV2 ble_b(radio_b);
radio_a.Enable();
radio_b.Enable();
ByteArray advertisement_bytes((std::string(kAdvertisementString)));
CountDownLatch found_latch(1);
CountDownLatch lost_latch(1);
ble_b.StartAdvertising(std::string(kServiceIDA), PowerLevel::kHighPower,
BleV2::AdvertisingType::kFast, advertisement_bytes);
ble_a.StartScanning(
std::string(kServiceIDA), Pcp::kP2pPointToPoint, PowerLevel::kHighPower,
/*include_dct_advertisement=*/false,
mediums::DiscoveredPeripheralCallback{
.peripheral_discovered_cb =
[&found_latch](BleV2Peripheral peripheral,
const std::string& service_id,
const ByteArray& advertisement_bytes,
bool fast_advertisement) {
EXPECT_TRUE(fast_advertisement);
found_latch.CountDown();
},
.peripheral_lost_cb =
[&lost_latch](
BleV2Peripheral peripheral, const std::string& service_id,
const ByteArray& advertisement_bytes,
bool fast_advertisement) { lost_latch.CountDown(); },
});
EXPECT_TRUE(found_latch.Await(kWaitDuration).result());
ble_b.StopAdvertising(std::string(kServiceIDA));
// Wait for a while (2 times delay) to let the alarm occur twice and
// `ProcessLostGattAdvertisements` twice to lost periperal.
SystemClock::Sleep(absl::Milliseconds(kPeripheralLostTimeoutInMillis) * 2);
EXPECT_TRUE(lost_latch.Await(kWaitDuration).result());
ble_a.StopScanning(std::string(kServiceIDA));
env_.Stop();
}
TEST_F(BleV2Test,
StartFastScanningDiscoverButNoPeripheralLostAfterStopScanning) {
env_.Start();
BluetoothRadio radio_a;
BluetoothRadio radio_b;
BleV2 ble_a(radio_a);
BleV2 ble_b(radio_b);
radio_a.Enable();
radio_b.Enable();
ByteArray advertisement_bytes((std::string(kAdvertisementString)));
CountDownLatch found_latch(1);
CountDownLatch lost_latch(1);
ble_b.StartAdvertising(std::string(kServiceIDA), PowerLevel::kHighPower,
BleV2::AdvertisingType::kFast, advertisement_bytes);
ble_a.StartScanning(
std::string(kServiceIDA), Pcp::kP2pPointToPoint, PowerLevel::kHighPower,
/*include_dct_advertisement=*/false,
mediums::DiscoveredPeripheralCallback{
.peripheral_discovered_cb =
[&found_latch](BleV2Peripheral peripheral,
const std::string& service_id,
const ByteArray& advertisement_bytes,
bool fast_advertisement) {
EXPECT_TRUE(fast_advertisement);
found_latch.CountDown();
},
.peripheral_lost_cb =
[&lost_latch](
BleV2Peripheral peripheral, const std::string& service_id,
const ByteArray& advertisement_bytes,
bool fast_advertisement) { lost_latch.CountDown(); },
});
EXPECT_TRUE(found_latch.Await(kWaitDuration).result());
ble_b.StopAdvertising(std::string(kServiceIDA));
ble_a.StopScanning(std::string(kServiceIDA));
// Don't receive lost peripheral callback because we have stopped scanning and
// cancelled the alarm.
EXPECT_FALSE(lost_latch.Await(kWaitDuration).result());
env_.Stop();
}
TEST_F(BleV2Test, StartScanningDiscoverAndLostPeripheral) {
env_.Start();
BluetoothRadio radio_a;
BluetoothRadio radio_b;
BleV2 ble_a(radio_a);
BleV2 ble_b(radio_b);
radio_a.Enable();
radio_b.Enable();
ByteArray advertisement_bytes((std::string(kAdvertisementString)));
CountDownLatch found_latch(1);
CountDownLatch lost_latch(1);
ble_b.StartAdvertising(std::string(kServiceIDA), PowerLevel::kHighPower,
BleV2::AdvertisingType::kRegular, advertisement_bytes);
ble_a.StartScanning(
std::string(kServiceIDA), Pcp::kP2pPointToPoint, PowerLevel::kHighPower,
/*include_dct_advertisement=*/false,
mediums::DiscoveredPeripheralCallback{
.peripheral_discovered_cb =
[&found_latch](BleV2Peripheral peripheral,
const std::string& service_id,
const ByteArray& advertisement_bytes,
bool fast_advertisement) {
EXPECT_FALSE(fast_advertisement);
found_latch.CountDown();
},
.peripheral_lost_cb =
[&lost_latch](
BleV2Peripheral peripheral, const std::string& service_id,
const ByteArray& advertisement_bytes,
bool fast_advertisement) { lost_latch.CountDown(); },
});
EXPECT_TRUE(found_latch.Await(kWaitDuration).result());
ble_b.StopAdvertising(std::string(kServiceIDA));
// Wait for a while (2 times delay) to let the alarm occur twice and
// `ProcessLostGattAdvertisements` twice to lost periperal.
SystemClock::Sleep(absl::Milliseconds(kPeripheralLostTimeoutInMillis) * 2);
EXPECT_TRUE(lost_latch.Await(kWaitDuration).result());
ble_a.StopScanning(std::string(kServiceIDA));
env_.Stop();
}
TEST_F(BleV2Test, StartScanningDiscoverButNoPeripheralLostAfterStopScanning) {
env_.Start();
BluetoothRadio radio_a;
BluetoothRadio radio_b;
BleV2 ble_a(radio_a);
BleV2 ble_b(radio_b);
radio_a.Enable();
radio_b.Enable();
ByteArray advertisement_bytes((std::string(kAdvertisementString)));
CountDownLatch found_latch(1);
CountDownLatch lost_latch(1);
ble_b.StartAdvertising(std::string(kServiceIDA), PowerLevel::kHighPower,
BleV2::AdvertisingType::kRegular, advertisement_bytes);
ble_a.StartScanning(
std::string(kServiceIDA), Pcp::kP2pPointToPoint, PowerLevel::kHighPower,
/*include_dct_advertisement=*/false,
mediums::DiscoveredPeripheralCallback{
.peripheral_discovered_cb =
[&found_latch](BleV2Peripheral peripheral,
const std::string& service_id,
const ByteArray& advertisement_bytes,
bool fast_advertisement) {
EXPECT_FALSE(fast_advertisement);
found_latch.CountDown();
},
.peripheral_lost_cb =
[&lost_latch](
BleV2Peripheral peripheral, const std::string& service_id,
const ByteArray& advertisement_bytes,
bool fast_advertisement) { lost_latch.CountDown(); },
});
EXPECT_TRUE(found_latch.Await(kWaitDuration).result());
ble_b.StopAdvertising(std::string(kServiceIDA));
ble_a.StopScanning(std::string(kServiceIDA));
// Don't receive lost peripheral callback because we have stopped scanning and
// cancelled the alarm.
EXPECT_FALSE(lost_latch.Await(kWaitDuration).result());
env_.Stop();
}
TEST_F(BleV2Test, CanStartAndStopLegacyAdvertising) {
env_.Start();
BluetoothRadio radio_a;
BleV2 ble_a{radio_a};
radio_a.Enable();
std::string service_id(kServiceIDA);
EXPECT_TRUE(
ble_a.StartLegacyAdvertising(service_id, std::string(kLocalEndpointId),
std::string(kFastAdvertisementServiceUuid)));
EXPECT_FALSE(ble_a.IsAdvertising(service_id));
EXPECT_TRUE(ble_a.IsAdvertisingForLegacyDevice(service_id));
EXPECT_TRUE(ble_a.StopLegacyAdvertising(service_id));
EXPECT_FALSE(ble_a.IsAdvertisingForLegacyDevice(service_id));
env_.Stop();
}
TEST_F(BleV2Test, CanNotStartLegacyAdvertisingWhenRadioNotEnabled) {
env_.Start();
BluetoothRadio radio_a;
BleV2 ble_a{radio_a};
radio_a.Disable();
std::string service_id(kServiceIDA);
EXPECT_FALSE(
ble_a.StartLegacyAdvertising(service_id, std::string(kLocalEndpointId),
std::string(kFastAdvertisementServiceUuid)));
EXPECT_FALSE(ble_a.IsAdvertisingForLegacyDevice(service_id));
env_.Stop();
}
TEST_F(BleV2Test, CanNotStopLegacyAdvertisingForNonExistingServiceId) {
env_.Start();
BluetoothRadio radio_a;
BleV2 ble_a{radio_a};
radio_a.Enable();
std::string service_id(kServiceIDA);
EXPECT_FALSE(ble_a.IsAdvertisingForLegacyDevice(service_id));
EXPECT_FALSE(ble_a.StopLegacyAdvertising(service_id));
EXPECT_TRUE(
ble_a.StartLegacyAdvertising(service_id, std::string(kLocalEndpointId),
std::string(kFastAdvertisementServiceUuid)));
EXPECT_TRUE(ble_a.IsAdvertisingForLegacyDevice(service_id));
EXPECT_TRUE(ble_a.StopLegacyAdvertising(service_id));
EXPECT_FALSE(ble_a.IsAdvertisingForLegacyDevice(service_id));
env_.Stop();
}
TEST_F(BleV2Test, StartLegacyAdvertisingNotBlockedByRegularAdvertising) {
env_.Start();
BluetoothRadio radio_a;
BleV2 ble_a{radio_a};
radio_a.Enable();
std::string service_id(kServiceIDA);
ByteArray advertisement_bytes((std::string(kAdvertisementString)));
ble_a.StartAdvertising(std::string(kServiceIDA), PowerLevel::kHighPower,
BleV2::AdvertisingType::kRegular, advertisement_bytes);
EXPECT_TRUE(ble_a.IsAdvertising(service_id));
EXPECT_TRUE(
ble_a.StartLegacyAdvertising(service_id, std::string(kLocalEndpointId),
std::string(kFastAdvertisementServiceUuid)));
EXPECT_TRUE(ble_a.IsAdvertisingForLegacyDevice(service_id));
ble_a.StopAdvertising(std::string(kServiceIDA));
env_.Stop();
}
TEST_F(BleV2Test, DuplicateStartLegacyAdvertisingReturnsFalse) {
env_.Start();
BluetoothRadio radio_a;
BleV2 ble_a{radio_a};
radio_a.Enable();
std::string service_id(kServiceIDA);
EXPECT_FALSE(ble_a.IsAdvertisingForLegacyDevice(service_id));
EXPECT_TRUE(
ble_a.StartLegacyAdvertising(service_id, std::string(kLocalEndpointId),
std::string(kFastAdvertisementServiceUuid)));
EXPECT_TRUE(ble_a.IsAdvertisingForLegacyDevice(service_id));
EXPECT_FALSE(
ble_a.StartLegacyAdvertising(service_id, std::string(kLocalEndpointId),
std::string(kFastAdvertisementServiceUuid)));
EXPECT_TRUE(ble_a.StopLegacyAdvertising(service_id));
EXPECT_FALSE(ble_a.IsAdvertisingForLegacyDevice(service_id));
env_.Stop();
}
TEST_F(BleV2Test, HandleLegacyAdvertising) {
env_.SetFeatureFlags(
{FeatureFlags{.enable_invoking_legacy_device_discovered_cb = true}});
env_.Start();
BluetoothRadio radio_a;
BluetoothRadio radio_b;
BleV2 ble_a(radio_a);
BleV2 ble_b(radio_b);
radio_a.Enable();
radio_b.Enable();
ByteArray advertisement_bytes((std::string(kAdvertisementString)));
CountDownLatch legacy_device_found_latch(1);
ble_b.StartLegacyAdvertising(std::string(kServiceIDA),
std::string(kLocalEndpointId),
std::string(kFastAdvertisementServiceUuid));
EXPECT_FALSE(ble_a.IsAdvertisingForLegacyDevice(std::string(kServiceIDA)));
std::string legacy_service_id("NearbySharing");
EXPECT_TRUE(ble_a.StartScanning(
legacy_service_id, Pcp::kP2pPointToPoint, PowerLevel::kHighPower,
/*include_dct_advertisement=*/false,
mediums::DiscoveredPeripheralCallback{
.peripheral_discovered_cb =
[](BleV2Peripheral peripheral, const std::string& service_id,
const ByteArray& advertisement_bytes,
bool fast_advertisement) {
FAIL() << "Legacy device shouldn't be reported here.";
},
.legacy_device_discovered_cb =
[&legacy_device_found_latch]() {
legacy_device_found_latch.CountDown();
},
}));
EXPECT_TRUE(legacy_device_found_latch.Await(kWaitDuration).result());
ble_b.StopAdvertising(std::string(kServiceIDA));
EXPECT_TRUE(ble_a.StopScanning(legacy_service_id));
env_.Stop();
}
TEST_F(BleV2Test, CanStartAsyncScanning) {
env_.SetFeatureFlags({FeatureFlags{.enable_ble_v2_async_scanning = true}});
env_.Start();
BluetoothRadio radio_a;
BluetoothRadio radio_b;
BleV2 ble_a(radio_a);
BleV2 ble_b(radio_b);
radio_a.Enable();
radio_b.Enable();
ByteArray advertisement_bytes((std::string(kAdvertisementString)));
CountDownLatch found_latch(1);
ble_b.StartAdvertising(std::string(kServiceIDA), PowerLevel::kHighPower,
BleV2::AdvertisingType::kRegular, advertisement_bytes);
EXPECT_TRUE(ble_a.StartScanning(
std::string(kServiceIDA), Pcp::kP2pPointToPoint, PowerLevel::kHighPower,
/*include_dct_advertisement=*/false,
mediums::DiscoveredPeripheralCallback{
.peripheral_discovered_cb =
[&found_latch](BleV2Peripheral peripheral,
const std::string& service_id,
const ByteArray& advertisement_bytes,
bool fast_advertisement) {
EXPECT_FALSE(fast_advertisement);
found_latch.CountDown();
},
}));
EXPECT_TRUE(found_latch.Await(kWaitDuration).result());
ble_b.StopAdvertising(std::string(kServiceIDA));
EXPECT_TRUE(ble_a.StopScanning(std::string(kServiceIDA)));
env_.Stop();
}
TEST_F(BleV2Test, StartAsyncScanningWithPlatformErrors) {
env_.SetFeatureFlags({FeatureFlags{.enable_ble_v2_async_scanning = true}});
env_.Start();
BluetoothRadio radio_a;
BluetoothRadio radio_b;
BleV2 ble_a(radio_a);
BleV2 ble_b(radio_b);
radio_a.Enable();
radio_b.Enable();
ByteArray advertisement_bytes((std::string(kAdvertisementString)));
CountDownLatch found_latch(1);
ble_b.StartAdvertising(std::string(kServiceIDA), PowerLevel::kHighPower,
BleV2::AdvertisingType::kRegular, advertisement_bytes);
// Disable radio a to simulate platform error.
radio_a.Disable();
EXPECT_FALSE(ble_a.StartScanning(
std::string(kServiceIDA), Pcp::kP2pPointToPoint, PowerLevel::kHighPower,
/*include_dct_advertisement=*/false,
mediums::DiscoveredPeripheralCallback{
.peripheral_discovered_cb =
[&found_latch](BleV2Peripheral peripheral,
const std::string& service_id,
const ByteArray& advertisement_bytes,
bool fast_advertisement) {
EXPECT_FALSE(fast_advertisement);
found_latch.CountDown();
},
}));
radio_a.Enable();
EXPECT_TRUE(ble_a.StartScanning(
std::string(kServiceIDA), Pcp::kP2pPointToPoint, PowerLevel::kHighPower,
/*include_dct_advertisement=*/false,
mediums::DiscoveredPeripheralCallback{
.peripheral_discovered_cb =
[&found_latch](BleV2Peripheral peripheral,
const std::string& service_id,
const ByteArray& advertisement_bytes,
bool fast_advertisement) {
EXPECT_FALSE(fast_advertisement);
found_latch.CountDown();
},
}));
EXPECT_TRUE(found_latch.Await(kWaitDuration).result());
ble_b.StopAdvertising(std::string(kServiceIDA));
EXPECT_TRUE(ble_a.StopScanning(std::string(kServiceIDA)));
// Should return false the second time, as we removed service ID from the map.
EXPECT_FALSE(ble_a.StopScanning(std::string(kServiceIDA)));
env_.Stop();
}
TEST_F(BleV2Test, StartAsyncScanningDiscoverAndLostPeripheral) {
env_.SetFeatureFlags({FeatureFlags{.enable_ble_v2_async_scanning = true}});
env_.Start();
BluetoothRadio radio_a;
BluetoothRadio radio_b;
BleV2 ble_a(radio_a);
BleV2 ble_b(radio_b);
radio_a.Enable();
radio_b.Enable();
ByteArray advertisement_bytes((std::string(kAdvertisementString)));
CountDownLatch found_latch(1);
CountDownLatch lost_latch(1);
ble_b.StartAdvertising(std::string(kServiceIDA), PowerLevel::kHighPower,
BleV2::AdvertisingType::kRegular, advertisement_bytes);
EXPECT_TRUE(ble_a.StartScanning(
std::string(kServiceIDA), Pcp::kP2pPointToPoint, PowerLevel::kHighPower,
/*include_dct_advertisement=*/false,
mediums::DiscoveredPeripheralCallback{
.peripheral_discovered_cb =
[&found_latch](BleV2Peripheral peripheral,
const std::string& service_id,
const ByteArray& advertisement_bytes,
bool fast_advertisement) {
EXPECT_FALSE(fast_advertisement);
found_latch.CountDown();
},
.peripheral_lost_cb =
[&lost_latch](
BleV2Peripheral peripheral, const std::string& service_id,
const ByteArray& advertisement_bytes,
bool fast_advertisement) { lost_latch.CountDown(); },
}));
EXPECT_TRUE(found_latch.Await(kWaitDuration).result());
EXPECT_TRUE(ble_b.StopAdvertising(std::string(kServiceIDA)));
// Wait for a while (2 times delay) to let the alarm occur twice and
// `ProcessLostGattAdvertisements` twice to lost periperal.
SystemClock::Sleep(absl::Milliseconds(kPeripheralLostTimeoutInMillis) * 2);
EXPECT_TRUE(lost_latch.Await(kWaitDuration).result());
EXPECT_TRUE(ble_a.StopScanning(std::string(kServiceIDA)));
env_.Stop();
}
TEST_F(BleV2Test,
StartAsyncScanningDiscoverButNoPeripheralLostAfterStopScanning) {
env_.SetFeatureFlags({FeatureFlags{.enable_ble_v2_async_scanning = true}});
env_.Start();
BluetoothRadio radio_a;
BluetoothRadio radio_b;
BleV2 ble_a(radio_a);
BleV2 ble_b(radio_b);
radio_a.Enable();
radio_b.Enable();
ByteArray advertisement_bytes((std::string(kAdvertisementString)));
CountDownLatch found_latch(1);
CountDownLatch lost_latch(1);
ble_b.StartAdvertising(std::string(kServiceIDA), PowerLevel::kHighPower,
BleV2::AdvertisingType::kRegular, advertisement_bytes);
EXPECT_TRUE(ble_a.StartScanning(
std::string(kServiceIDA), Pcp::kP2pPointToPoint, PowerLevel::kHighPower,
/*include_dct_advertisement=*/false,
mediums::DiscoveredPeripheralCallback{
.peripheral_discovered_cb =
[&found_latch](BleV2Peripheral peripheral,
const std::string& service_id,
const ByteArray& advertisement_bytes,
bool fast_advertisement) {
EXPECT_FALSE(fast_advertisement);
found_latch.CountDown();
},
.peripheral_lost_cb =
[&lost_latch](
BleV2Peripheral peripheral, const std::string& service_id,
const ByteArray& advertisement_bytes,
bool fast_advertisement) { lost_latch.CountDown(); },
}));
EXPECT_TRUE(found_latch.Await(kWaitDuration).result());
EXPECT_TRUE(ble_b.StopAdvertising(std::string(kServiceIDA)));
EXPECT_TRUE(ble_a.StopScanning(std::string(kServiceIDA)));
// Don't receive lost peripheral callback because we have stopped scanning and
// cancelled the alarm.
EXPECT_FALSE(lost_latch.Await(kWaitDuration).result());
env_.Stop();
}
TEST_F(BleV2Test, CanStartStopMultipleAsyncScanningWithDifferentServiceIds) {
env_.SetFeatureFlags({FeatureFlags{.enable_ble_v2_async_scanning = true}});
env_.Start();
BluetoothRadio radio_scanner;
BluetoothRadio radio_advertiser_a;
BluetoothRadio radio_advertiser_b;
BleV2 ble_scanner(radio_scanner);
BleV2 ble_advertiser_a(radio_advertiser_a);
BleV2 ble_advertiser_b(radio_advertiser_b);
radio_scanner.Enable();
radio_advertiser_a.Enable();
radio_advertiser_b.Enable();
ByteArray advertisement_bytes_a((std::string(kAdvertisementString)));
ByteArray advertisement_bytes_b((std::string(kAdvertisementStringB)));
CountDownLatch found_latch_a(1);
CountDownLatch found_latch_b(1);
ble_advertiser_a.StartAdvertising(
std::string(kServiceIDA), PowerLevel::kHighPower,
BleV2::AdvertisingType::kRegular, advertisement_bytes_a);
ble_advertiser_b.StartAdvertising(
std::string(kServiceIDB), PowerLevel::kHighPower,
BleV2::AdvertisingType::kRegular, advertisement_bytes_b);
ble_scanner.StartScanning(
std::string(kServiceIDA), Pcp::kP2pPointToPoint, PowerLevel::kHighPower,
/*include_dct_advertisement=*/false,
mediums::DiscoveredPeripheralCallback{
.peripheral_discovered_cb =
[&found_latch_a](BleV2Peripheral peripheral,
const std::string& service_id,
const ByteArray& advertisement_bytes,
bool fast_advertisement) {
EXPECT_EQ(service_id, kServiceIDA);
EXPECT_FALSE(fast_advertisement);
found_latch_a.CountDown();
},
});
ble_scanner.StartScanning(
std::string(kServiceIDB), Pcp::kP2pPointToPoint, PowerLevel::kHighPower,
/*include_dct_advertisement=*/false,
mediums::DiscoveredPeripheralCallback{
.peripheral_discovered_cb =
[&found_latch_b](BleV2Peripheral peripheral,
const std::string& service_id,
const ByteArray& advertisement_bytes,
bool fast_advertisement) {
EXPECT_EQ(service_id, kServiceIDB);
EXPECT_FALSE(fast_advertisement);
found_latch_b.CountDown();
},
});
EXPECT_TRUE(found_latch_a.Await(kWaitDuration).result());
EXPECT_TRUE(found_latch_b.Await(kWaitDuration).result());
EXPECT_TRUE(ble_scanner.StopScanning(std::string(kServiceIDA)));
EXPECT_TRUE(ble_scanner.StopScanning(std::string(kServiceIDB)));
env_.Stop();
}
TEST_F(BleV2Test, StartMultipleAsyncScanningDiscoverAndLostPeripheral) {
env_.SetFeatureFlags({FeatureFlags{.enable_ble_v2_async_scanning = true}});
env_.Start();
BluetoothRadio radio_scanner;
BluetoothRadio radio_advertiser_a;
BluetoothRadio radio_advertiser_b;
BleV2 ble_scanner(radio_scanner);
BleV2 ble_advertiser_a(radio_advertiser_a);
BleV2 ble_advertiser_b(radio_advertiser_b);
radio_scanner.Enable();
radio_advertiser_a.Enable();
radio_advertiser_b.Enable();
ByteArray advertisement_bytes_a((std::string(kAdvertisementString)));
ByteArray advertisement_bytes_b((std::string(kAdvertisementStringB)));
CountDownLatch found_latch_a(1);
CountDownLatch found_latch_b(1);
CountDownLatch lost_latch_a(1);
CountDownLatch lost_latch_b(1);
ble_advertiser_a.StartAdvertising(
std::string(kServiceIDA), PowerLevel::kHighPower,
BleV2::AdvertisingType::kRegular, advertisement_bytes_a);
ble_advertiser_b.StartAdvertising(
std::string(kServiceIDB), PowerLevel::kHighPower,
BleV2::AdvertisingType::kRegular, advertisement_bytes_b);
ble_scanner.StartScanning(
std::string(kServiceIDA), Pcp::kP2pPointToPoint, PowerLevel::kHighPower,
/*include_dct_advertisement=*/false,
mediums::DiscoveredPeripheralCallback{
.peripheral_discovered_cb =
[&found_latch_a](BleV2Peripheral peripheral,
const std::string& service_id,
const ByteArray& advertisement_bytes,
bool fast_advertisement) {
EXPECT_EQ(service_id, kServiceIDA);
EXPECT_FALSE(fast_advertisement);
found_latch_a.CountDown();
},
.peripheral_lost_cb =
[&lost_latch_a](BleV2Peripheral peripheral,
const std::string& service_id,
const ByteArray& advertisement_bytes,
bool fast_advertisement) {
EXPECT_EQ(service_id, kServiceIDA);
EXPECT_FALSE(fast_advertisement);
lost_latch_a.CountDown();
},
});
ble_scanner.StartScanning(
std::string(kServiceIDB), Pcp::kP2pPointToPoint, PowerLevel::kHighPower,
/*include_dct_advertisement=*/false,
mediums::DiscoveredPeripheralCallback{
.peripheral_discovered_cb =
[&found_latch_b](BleV2Peripheral peripheral,
const std::string& service_id,
const ByteArray& advertisement_bytes,
bool fast_advertisement) {
EXPECT_EQ(service_id, kServiceIDB);
EXPECT_FALSE(fast_advertisement);
found_latch_b.CountDown();
},
.peripheral_lost_cb =
[&lost_latch_b](BleV2Peripheral peripheral,
const std::string& service_id,
const ByteArray& advertisement_bytes,
bool fast_advertisement) {
EXPECT_EQ(service_id, kServiceIDB);
EXPECT_FALSE(fast_advertisement);
lost_latch_b.CountDown();
},
});
EXPECT_TRUE(found_latch_a.Await(kWaitDuration).result());
EXPECT_TRUE(found_latch_b.Await(kWaitDuration).result());
EXPECT_TRUE(ble_advertiser_a.StopAdvertising(std::string(kServiceIDA)));
// Wait for a while (2 times delay) to let the alarm occur twice and
// `ProcessLostGattAdvertisements` twice to lost periperal.
SystemClock::Sleep(absl::Milliseconds(kPeripheralLostTimeoutInMillis) * 2);
EXPECT_TRUE(lost_latch_a.Await(kWaitDuration).result());
EXPECT_TRUE(ble_advertiser_b.StopAdvertising(std::string(kServiceIDB)));
// Wait for a while (2 times delay) to let the alarm occur twice and
// `ProcessLostGattAdvertisements` twice to lost periperal.
SystemClock::Sleep(absl::Milliseconds(kPeripheralLostTimeoutInMillis) * 2);
EXPECT_TRUE(lost_latch_b.Await(kWaitDuration).result());
EXPECT_TRUE(ble_scanner.StopScanning(std::string(kServiceIDA)));
EXPECT_TRUE(ble_scanner.StopScanning(std::string(kServiceIDB)));
env_.Stop();
}
} // namespace
} // namespace connections
} // namespace nearby