mirror of
https://github.com/kidfromjupiter/nearby.git
synced 2026-09-16 07:36:10 -04:00
582 lines
21 KiB
C++
582 lines
21 KiB
C++
// Copyright 2022 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "connections/implementation/mediums/ble_v2.h"
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#include <string>
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#include "gtest/gtest.h"
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#include "connections/implementation/mediums/ble_v2/discovered_peripheral_callback.h"
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#include "connections/implementation/mediums/bluetooth_radio.h"
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#include "internal/platform/count_down_latch.h"
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#include "internal/platform/medium_environment.h"
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namespace nearby {
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namespace connections {
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namespace {
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using FeatureFlags = FeatureFlags::Flags;
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constexpr FeatureFlags kTestCases[] = {
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FeatureFlags{
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.enable_cancellation_flag = true,
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},
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FeatureFlags{
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.enable_cancellation_flag = false,
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},
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};
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constexpr absl::Duration kWaitDuration = absl::Milliseconds(1000);
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constexpr absl::string_view kServiceIDA =
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"com.google.location.nearby.apps.test.a";
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constexpr absl::string_view kServiceIDB =
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"com.google.location.nearby.apps.test.b";
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constexpr absl::string_view kAdvertisementString = "\x0a\x0b\x0c\x0d";
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class BleV2Test : public testing::TestWithParam<FeatureFlags> {
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protected:
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MediumEnvironment& env_{MediumEnvironment::Instance()};
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};
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TEST_P(BleV2Test, CanConnect) {
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FeatureFlags feature_flags = GetParam();
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env_.SetFeatureFlags(feature_flags);
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env_.Start();
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BluetoothRadio radio_client;
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BluetoothRadio radio_server;
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BleV2 ble_client{radio_client};
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BleV2 ble_server{radio_server};
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radio_client.Enable();
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radio_server.Enable();
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std::string service_id(kServiceIDA);
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ByteArray advertisement_bytes{std::string(kAdvertisementString)};
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CountDownLatch discovered_latch(1);
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CountDownLatch accept_latch(1);
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BleV2Socket socket_for_server;
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EXPECT_TRUE(ble_server.StartAcceptingConnections(
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service_id, {
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.accepted_cb =
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[&socket_for_server, &accept_latch](
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BleV2Socket socket, const std::string&) {
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socket_for_server = std::move(socket);
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accept_latch.CountDown();
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},
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}));
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ble_server.StartAdvertising(service_id, advertisement_bytes,
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PowerLevel::kHighPower,
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/*is_fast_advertisement=*/true);
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BleV2Peripheral discovered_peripheral;
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ble_client.StartScanning(
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service_id, PowerLevel::kHighPower,
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mediums::DiscoveredPeripheralCallback{
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.peripheral_discovered_cb =
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[&discovered_latch, &discovered_peripheral](
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BleV2Peripheral peripheral, const std::string& service_id,
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const ByteArray& advertisement_bytes,
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bool fast_advertisement) {
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discovered_peripheral = peripheral;
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NEARBY_LOG(
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INFO,
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"Discovered peripheral=%p [impl=%p], fast advertisement=%d",
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&peripheral, &peripheral.GetImpl(), fast_advertisement);
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discovered_latch.CountDown();
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},
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});
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discovered_latch.Await(kWaitDuration).result();
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ASSERT_TRUE(discovered_peripheral.IsValid());
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CancellationFlag flag;
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BleV2Socket socket_for_client =
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ble_client.Connect(service_id, discovered_peripheral, &flag);
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EXPECT_TRUE(accept_latch.Await(kWaitDuration).result());
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EXPECT_TRUE(ble_server.StopAcceptingConnections(service_id));
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EXPECT_TRUE(ble_server.StopAdvertising(service_id));
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EXPECT_TRUE(socket_for_server.IsValid());
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EXPECT_TRUE(socket_for_client.IsValid());
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EXPECT_TRUE(socket_for_server.GetRemotePeripheral().IsValid());
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EXPECT_TRUE(socket_for_client.GetRemotePeripheral().IsValid());
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env_.Stop();
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}
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TEST_P(BleV2Test, CanCancelConnect) {
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FeatureFlags feature_flags = GetParam();
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env_.SetFeatureFlags(feature_flags);
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env_.Start();
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BluetoothRadio radio_client;
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BluetoothRadio radio_server;
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BleV2 ble_client{radio_client};
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BleV2 ble_server{radio_server};
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radio_client.Enable();
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radio_server.Enable();
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std::string service_id(kServiceIDA);
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ByteArray advertisement_bytes{std::string(kAdvertisementString)};
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CountDownLatch discovered_latch(1);
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CountDownLatch accept_latch(1);
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BleV2Socket socket_for_server;
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EXPECT_TRUE(ble_server.StartAcceptingConnections(
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service_id, {
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.accepted_cb =
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[&socket_for_server, &accept_latch](
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BleV2Socket socket, const std::string&) {
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socket_for_server = std::move(socket);
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accept_latch.CountDown();
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},
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}));
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ble_server.StartAdvertising(service_id, advertisement_bytes,
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PowerLevel::kHighPower,
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/*is_fast_advertisement=*/true);
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BleV2Peripheral discovered_peripheral;
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ble_client.StartScanning(
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service_id, PowerLevel::kHighPower,
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mediums::DiscoveredPeripheralCallback{
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.peripheral_discovered_cb =
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[&discovered_latch, &discovered_peripheral](
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BleV2Peripheral peripheral, const std::string& service_id,
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const ByteArray& advertisement_bytes,
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bool fast_advertisement) {
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discovered_peripheral = peripheral;
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NEARBY_LOG(
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INFO,
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"Discovered peripheral=%p [impl=%p], fast advertisement=%d",
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&peripheral, &peripheral.GetImpl(), fast_advertisement);
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discovered_latch.CountDown();
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},
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});
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EXPECT_TRUE(discovered_latch.Await(kWaitDuration).result());
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ASSERT_TRUE(discovered_peripheral.IsValid());
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CancellationFlag flag(true);
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BleV2Socket socket_for_client =
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ble_client.Connect(service_id, discovered_peripheral, &flag);
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// If FeatureFlag is disabled, Cancelled is false as no-op.
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if (!feature_flags.enable_cancellation_flag) {
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EXPECT_TRUE(accept_latch.Await(kWaitDuration).result());
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EXPECT_TRUE(ble_server.StopAcceptingConnections(service_id));
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EXPECT_TRUE(ble_server.StopAdvertising(service_id));
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EXPECT_TRUE(socket_for_server.IsValid());
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EXPECT_TRUE(socket_for_client.IsValid());
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EXPECT_TRUE(socket_for_server.GetRemotePeripheral().IsValid());
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EXPECT_TRUE(socket_for_client.GetRemotePeripheral().IsValid());
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} else {
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EXPECT_FALSE(accept_latch.Await(kWaitDuration).result());
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EXPECT_TRUE(ble_server.StopAcceptingConnections(service_id));
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EXPECT_TRUE(ble_server.StopAdvertising(service_id));
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EXPECT_FALSE(socket_for_server.IsValid());
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EXPECT_FALSE(socket_for_client.IsValid());
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}
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env_.Stop();
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}
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INSTANTIATE_TEST_SUITE_P(ParametrisedBleTest, BleV2Test,
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::testing::ValuesIn(kTestCases));
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TEST_F(BleV2Test, CanConstructValidObject) {
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env_.Start();
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BluetoothRadio radio_a;
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BluetoothRadio radio_b;
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BleV2 ble_a(radio_a);
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BleV2 ble_b(radio_b);
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EXPECT_TRUE(ble_a.IsMediumValid());
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EXPECT_TRUE(ble_a.IsAvailable());
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EXPECT_TRUE(ble_b.IsMediumValid());
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EXPECT_TRUE(ble_b.IsAvailable());
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EXPECT_NE(&radio_a.GetBluetoothAdapter(), &radio_b.GetBluetoothAdapter());
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env_.Stop();
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}
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TEST_F(BleV2Test, CanStartFastAdvertising) {
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env_.Start();
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BluetoothRadio radio_a;
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BluetoothRadio radio_b;
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BleV2 ble_a(radio_a);
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BleV2 ble_b(radio_b);
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radio_a.Enable();
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radio_b.Enable();
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ByteArray advertisement_bytes((std::string(kAdvertisementString)));
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CountDownLatch found_latch(1);
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ble_b.StartScanning(
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std::string(kServiceIDA), PowerLevel::kHighPower,
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mediums::DiscoveredPeripheralCallback{
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.peripheral_discovered_cb =
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[&found_latch](BleV2Peripheral peripheral,
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const std::string& service_id,
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const ByteArray& advertisement_bytes,
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bool fast_advertisement) {
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EXPECT_TRUE(fast_advertisement);
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found_latch.CountDown();
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},
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});
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EXPECT_TRUE(ble_a.StartAdvertising(
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std::string(kServiceIDA), advertisement_bytes, PowerLevel::kHighPower,
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/*is_fast_advertisement=*/true));
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EXPECT_TRUE(found_latch.Await(kWaitDuration).result());
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EXPECT_TRUE(ble_a.StopAdvertising(std::string(kServiceIDA)));
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ble_b.StopScanning(std::string(kServiceIDA));
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env_.Stop();
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}
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TEST_F(BleV2Test, CanStartFastScanning) {
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env_.Start();
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BluetoothRadio radio_a;
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BluetoothRadio radio_b;
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BleV2 ble_a(radio_a);
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BleV2 ble_b(radio_b);
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radio_a.Enable();
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radio_b.Enable();
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ByteArray advertisement_bytes((std::string(kAdvertisementString)));
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CountDownLatch found_latch(1);
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ble_b.StartAdvertising(std::string(kServiceIDA), advertisement_bytes,
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PowerLevel::kHighPower,
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/*is_fast_advertisement=*/true);
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EXPECT_TRUE(ble_a.StartScanning(
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std::string(kServiceIDA), PowerLevel::kHighPower,
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mediums::DiscoveredPeripheralCallback{
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.peripheral_discovered_cb =
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[&found_latch](BleV2Peripheral peripheral,
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const std::string& service_id,
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const ByteArray& advertisement_bytes,
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bool fast_advertisement) {
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EXPECT_TRUE(fast_advertisement);
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found_latch.CountDown();
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},
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}));
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EXPECT_TRUE(found_latch.Await(kWaitDuration).result());
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ble_b.StopAdvertising(std::string(kServiceIDA));
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EXPECT_TRUE(ble_a.StopScanning(std::string(kServiceIDA)));
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env_.Stop();
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}
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TEST_F(BleV2Test, CanStartAdvertising) {
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env_.Start();
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BluetoothRadio radio_a;
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BluetoothRadio radio_b;
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BleV2 ble_a(radio_a);
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BleV2 ble_b(radio_b);
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radio_a.Enable();
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radio_b.Enable();
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ByteArray advertisement_bytes((std::string(kAdvertisementString)));
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CountDownLatch found_latch(1);
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ble_b.StartScanning(
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std::string(kServiceIDA), PowerLevel::kHighPower,
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mediums::DiscoveredPeripheralCallback{
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.peripheral_discovered_cb =
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[&found_latch](BleV2Peripheral peripheral,
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const std::string& service_id,
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const ByteArray& advertisement_bytes,
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bool fast_advertisement) {
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EXPECT_FALSE(fast_advertisement);
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found_latch.CountDown();
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},
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});
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EXPECT_TRUE(ble_a.StartAdvertising(
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std::string(kServiceIDA), advertisement_bytes, PowerLevel::kHighPower,
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/*is_fast_advertisement=*/false));
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EXPECT_TRUE(found_latch.Await(kWaitDuration).result());
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EXPECT_TRUE(ble_a.StopAdvertising(std::string(kServiceIDA)));
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ble_b.StopScanning(std::string(kServiceIDA));
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env_.Stop();
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}
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TEST_F(BleV2Test, CanStartScanning) {
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env_.Start();
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BluetoothRadio radio_a;
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BluetoothRadio radio_b;
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BleV2 ble_a(radio_a);
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BleV2 ble_b(radio_b);
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radio_a.Enable();
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radio_b.Enable();
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ByteArray advertisement_bytes((std::string(kAdvertisementString)));
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CountDownLatch found_latch(1);
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ble_b.StartAdvertising(std::string(kServiceIDA), advertisement_bytes,
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PowerLevel::kHighPower,
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/*is_fast_advertisement=*/false);
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EXPECT_TRUE(ble_a.StartScanning(
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std::string(kServiceIDA), PowerLevel::kHighPower,
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mediums::DiscoveredPeripheralCallback{
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.peripheral_discovered_cb =
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[&found_latch](BleV2Peripheral peripheral,
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const std::string& service_id,
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const ByteArray& advertisement_bytes,
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bool fast_advertisement) {
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EXPECT_FALSE(fast_advertisement);
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found_latch.CountDown();
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},
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}));
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EXPECT_TRUE(found_latch.Await(kWaitDuration).result());
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ble_b.StopAdvertising(std::string(kServiceIDA));
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EXPECT_TRUE(ble_a.StopScanning(std::string(kServiceIDA)));
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env_.Stop();
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}
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TEST_F(BleV2Test, CanStartStopMultipleScanningWithDifferentServiceIds) {
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env_.Start();
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BluetoothRadio radio;
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BleV2 ble(radio);
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radio.Enable();
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EXPECT_TRUE(ble.StartScanning(std::string(kServiceIDA),
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PowerLevel::kHighPower,
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mediums::DiscoveredPeripheralCallback{}));
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EXPECT_TRUE(ble.StartScanning(std::string(kServiceIDB),
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PowerLevel::kHighPower,
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mediums::DiscoveredPeripheralCallback{}));
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EXPECT_TRUE(ble.StopScanning(std::string(kServiceIDA)));
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EXPECT_TRUE(ble.StartScanning(std::string(kServiceIDA),
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PowerLevel::kHighPower,
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mediums::DiscoveredPeripheralCallback{}));
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EXPECT_TRUE(ble.StopScanning(std::string(kServiceIDA)));
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EXPECT_TRUE(ble.StopScanning(std::string(kServiceIDB)));
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env_.Stop();
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}
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TEST_F(BleV2Test, DestructWorksForStartAdvertisingAndScanningWithoutStop) {
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env_.Start();
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BluetoothRadio radio_a;
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BluetoothRadio radio_b;
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BleV2 ble_a(radio_a);
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BleV2 ble_b(radio_b);
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radio_a.Enable();
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radio_b.Enable();
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ByteArray advertisement_bytes((std::string(kAdvertisementString)));
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// Device A starts advertising with service IDA and IDB.
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EXPECT_TRUE(ble_a.StartAdvertising(
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std::string(kServiceIDA), advertisement_bytes, PowerLevel::kHighPower,
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/*is_fast_advertisement=*/true));
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EXPECT_TRUE(ble_a.StartAdvertising(
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std::string(kServiceIDB), advertisement_bytes, PowerLevel::kHighPower,
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/*is_fast_advertisement=*/true));
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// Device B starts scanning with service IDA and IDB
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EXPECT_TRUE(ble_b.StartScanning(std::string(kServiceIDA),
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PowerLevel::kHighPower,
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mediums::DiscoveredPeripheralCallback{}));
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EXPECT_TRUE(ble_b.StartScanning(std::string(kServiceIDB),
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PowerLevel::kHighPower,
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mediums::DiscoveredPeripheralCallback{}));
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env_.Stop();
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}
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TEST_F(BleV2Test, StartFastScanningDiscoverAndLostPeripheral) {
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env_.Start();
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BluetoothRadio radio_a;
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BluetoothRadio radio_b;
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BleV2 ble_a(radio_a);
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BleV2 ble_b(radio_b);
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radio_a.Enable();
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radio_b.Enable();
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ByteArray advertisement_bytes((std::string(kAdvertisementString)));
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CountDownLatch found_latch(1);
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CountDownLatch lost_latch(1);
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ble_b.StartAdvertising(std::string(kServiceIDA), advertisement_bytes,
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PowerLevel::kHighPower,
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/*is_fast_advertisement=*/true);
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ble_a.StartScanning(
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std::string(kServiceIDA), PowerLevel::kHighPower,
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mediums::DiscoveredPeripheralCallback{
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.peripheral_discovered_cb =
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[&found_latch](BleV2Peripheral peripheral,
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const std::string& service_id,
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const ByteArray& advertisement_bytes,
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bool fast_advertisement) {
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EXPECT_TRUE(fast_advertisement);
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found_latch.CountDown();
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},
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.peripheral_lost_cb =
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[&lost_latch](
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BleV2Peripheral peripheral, const std::string& service_id,
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const ByteArray& advertisement_bytes,
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bool fast_advertisement) { lost_latch.CountDown(); },
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});
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EXPECT_TRUE(found_latch.Await(kWaitDuration).result());
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ble_b.StopAdvertising(std::string(kServiceIDA));
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// Wait for a while (2 times delay) to let the alarm occur twice and
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// `ProcessLostGattAdvertisements` twice to lost periperal.
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SystemClock::Sleep(BleV2::kPeripheralLostTimeout * 2);
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EXPECT_TRUE(lost_latch.Await(kWaitDuration).result());
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ble_a.StopScanning(std::string(kServiceIDA));
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env_.Stop();
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}
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TEST_F(BleV2Test,
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StartFastScanningDiscoverButNoPeripheralLostAfterStopScanning) {
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env_.Start();
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BluetoothRadio radio_a;
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BluetoothRadio radio_b;
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BleV2 ble_a(radio_a);
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BleV2 ble_b(radio_b);
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radio_a.Enable();
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radio_b.Enable();
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ByteArray advertisement_bytes((std::string(kAdvertisementString)));
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CountDownLatch found_latch(1);
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CountDownLatch lost_latch(1);
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ble_b.StartAdvertising(std::string(kServiceIDA), advertisement_bytes,
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PowerLevel::kHighPower,
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/*is_fast_advertisement=*/true);
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ble_a.StartScanning(
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std::string(kServiceIDA), PowerLevel::kHighPower,
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mediums::DiscoveredPeripheralCallback{
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.peripheral_discovered_cb =
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[&found_latch](BleV2Peripheral peripheral,
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const std::string& service_id,
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const ByteArray& advertisement_bytes,
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bool fast_advertisement) {
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EXPECT_TRUE(fast_advertisement);
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found_latch.CountDown();
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},
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.peripheral_lost_cb =
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[&lost_latch](
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BleV2Peripheral peripheral, const std::string& service_id,
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const ByteArray& advertisement_bytes,
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bool fast_advertisement) { lost_latch.CountDown(); },
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});
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EXPECT_TRUE(found_latch.Await(kWaitDuration).result());
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ble_b.StopAdvertising(std::string(kServiceIDA));
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ble_a.StopScanning(std::string(kServiceIDA));
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// 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), advertisement_bytes,
|
|
PowerLevel::kHighPower,
|
|
/*is_fast_advertisement=*/false);
|
|
|
|
ble_a.StartScanning(
|
|
std::string(kServiceIDA), PowerLevel::kHighPower,
|
|
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(BleV2::kPeripheralLostTimeout * 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), advertisement_bytes,
|
|
PowerLevel::kHighPower,
|
|
/*is_fast_advertisement=*/false);
|
|
|
|
ble_a.StartScanning(
|
|
std::string(kServiceIDA), PowerLevel::kHighPower,
|
|
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();
|
|
}
|
|
|
|
} // namespace
|
|
} // namespace connections
|
|
} // namespace nearby
|