Merge "Common: remove GD related stuff from common" (799de33f) · Commits · e / os / android_packages_modules_Bluetooth

TEST_MAPPING

+3 −1

Original line number	Diff line number	Diff line
		@@ -50,7 +50,9 @@
		},
		{
		"name" : "net_test_types"
		},
		}
		],
		"presubmit" : [
		{
		"name" : "bluetooth_test_common",
		"host" : true

system/common/Android.bp

+0 −10

Original line number	Diff line number	Diff line
		@@ -11,15 +11,10 @@ cc_library_static {
		],
		srcs: [
		"address_obfuscator.cc",
		"alarm.cc",
		"handler.cc",
		"message_loop_thread.cc",
		"metrics.cc",
		"once_timer.cc",
		"reactor.cc",
		"repeating_alarm.cc",
		"repeating_timer.cc",
		"thread.cc",
		"time_util.cc",
		],
		shared_libs: [
		@@ -44,17 +39,12 @@ cc_test {
		],
		srcs : [
		"address_obfuscator_unittest.cc",
		"alarm_unittest.cc",
		"handler_unittest.cc",
		"leaky_bonded_queue_unittest.cc",
		"message_loop_thread_unittest.cc",
		"metrics_unittest.cc",
		"once_timer_unittest.cc",
		"reactor_unittest.cc",
		"repeating_alarm_unittest.cc",
		"repeating_timer_unittest.cc",
		"state_machine_unittest.cc",
		"thread_unittest.cc",
		"time_util_unittest.cc",
		"id_generator_unittest.cc",
		],

system/common/alarm.cc

deleted100644 → 0

+0 −76

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		/*
		* Copyright 2019 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 "alarm.h"

		#include <sys/timerfd.h>
		#include <cstring>

		#include "base/logging.h"
		#include "utils.h"

		namespace bluetooth {
		namespace common {

		Alarm::Alarm(Thread* thread)
		: thread_(thread),
		fd_(timerfd_create(CLOCK_BOOTTIME_ALARM, 0)) {
		CHECK_NE(fd_, -1) << __func__ << ": cannot create timerfd: " << strerror(errno);

		token_ = thread_->GetReactor()->Register(fd_, [this] { on_fire(); }, nullptr);
		}

		Alarm::~Alarm() {
		thread_->GetReactor()->Unregister(token_);

		int close_status;
		RUN_NO_INTR(close_status = close(fd_));
		CHECK_NE(close_status, -1) << __func__ << ": cannot close timerfd: " << strerror(errno);
		}

		void Alarm::Schedule(Closure task, std::chrono::milliseconds delay) {
		std::lock_guard<std::mutex> lock(mutex_);
		long delay_ms = delay.count();
		itimerspec timer_itimerspec{
		{/* interval for periodic timer */},
		{delay_ms / 1000, delay_ms % 1000 * 1000000}
		};
		int result = timerfd_settime(fd_, 0, &timer_itimerspec, nullptr);
		CHECK_EQ(result, 0) << __func__ << ": failed, error=" << strerror(errno);

		task_ = std::move(task);
		}

		void Alarm::Cancel() {
		std::lock_guard<std::mutex> lock(mutex_);
		itimerspec disarm_itimerspec{/* disarm timer */};
		int result = timerfd_settime(fd_, 0, &disarm_itimerspec, nullptr);
		CHECK_EQ(result, 0) << __func__ << ": failed, error=" << strerror(errno);
		}

		void Alarm::on_fire() {
		std::unique_lock<std::mutex> lock(mutex_);
		auto task = std::move(task_);
		uint64_t times_invoked;
		auto bytes_read = read(fd_, &times_invoked, sizeof(uint64_t));
		lock.unlock();
		task();
		CHECK_EQ(bytes_read, static_cast<ssize_t>(sizeof(uint64_t))) << __func__ << ": failed, error=" << strerror(errno);
		CHECK_EQ(times_invoked, static_cast<uint64_t>(1));
		}

		} // namespace common
		} // namespace bluetooth

system/common/alarm_unittest.cc

deleted100644 → 0

+0 −90

Original line number	Diff line number	Diff line
		/*
		* Copyright 2019 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 "alarm.h"

		#include <future>

		#include "base/logging.h"
		#include "gtest/gtest.h"

		namespace bluetooth {
		namespace common {
		namespace {

		class AlarmTest : public ::testing::Test {
		protected:
		void SetUp() override {
		thread_ = new Thread("test_thread", Thread::Priority::NORMAL);
		alarm_ = new Alarm(thread_);
		}

		void TearDown() override {
		delete alarm_;
		delete thread_;
		}
		Alarm* alarm_;

		private:
		Thread* thread_;
		};

		TEST_F(AlarmTest, cancel_while_not_armed) {
		alarm_->Cancel();
		}

		TEST_F(AlarmTest, schedule) {
		std::promise<void> promise;
		auto future = promise.get_future();
		auto before = std::chrono::steady_clock::now();
		int delay_ms = 10;
		int delay_error_ms = 3;
		alarm_->Schedule([&promise]() { promise.set_value(); }, std::chrono::milliseconds(delay_ms));
		future.get();
		auto after = std::chrono::steady_clock::now();
		auto duration_ms = std::chrono::duration_cast<std::chrono::milliseconds>(after - before);
		ASSERT_NEAR(duration_ms.count(), delay_ms, delay_error_ms);
		}

		TEST_F(AlarmTest, cancel_alarm) {
		alarm_->Schedule([]() { ASSERT_TRUE(false) << "Should not happen"; }, std::chrono::milliseconds(3));
		alarm_->Cancel();
		std::this_thread::sleep_for(std::chrono::milliseconds(5));
		}

		TEST_F(AlarmTest, cancel_alarm_from_callback) {
		alarm_->Schedule([this]() { this->alarm_->Cancel(); }, std::chrono::milliseconds(1));
		std::this_thread::sleep_for(std::chrono::milliseconds(5));
		}

		TEST_F(AlarmTest, schedule_while_alarm_armed) {
		alarm_->Schedule([]() { ASSERT_TRUE(false) << "Should not happen"; }, std::chrono::milliseconds(1));
		std::promise<void> promise;
		auto future = promise.get_future();
		alarm_->Schedule([&promise]() { promise.set_value(); }, std::chrono::milliseconds(10));
		future.get();
		}

		TEST_F(AlarmTest, delete_while_alarm_armed) {
		alarm_->Schedule([]() { ASSERT_TRUE(false) << "Should not happen"; }, std::chrono::milliseconds(1));
		delete alarm_;
		alarm_ = nullptr;
		std::this_thread::sleep_for(std::chrono::milliseconds(10));
		}

		} // namespace
		} // namespace common
		} // namespace bluetooth

system/common/benchmark/thread_performance_benchmark.cc

+0 −52

Original line number	Diff line number	Diff line
		@@ -23,16 +23,12 @@
		#include <memory>
		#include <thread>

		#include "common/handler.h"
		#include "common/message_loop_thread.h"
		#include "common/thread.h"
		#include "osi/include/fixed_queue.h"
		#include "osi/include/thread.h"

		using ::benchmark::State;
		using bluetooth::common::Handler;
		using bluetooth::common::MessageLoopThread;
		using bluetooth::common::Thread;

		#define NUM_MESSAGES_TO_SEND 100000

		@@ -423,54 +419,6 @@ BENCHMARK_F(BM_LibChromeThread, sequential_execution)(State& state) {
		}
		};

		class BM_ReactorThread : public BM_ThreadPerformance {
		protected:
		void SetUp(State& st) override {
		BM_ThreadPerformance::SetUp(st);
		std::future<void> set_up_future = set_up_promise_->get_future();
		thread_ = new Thread("BM_ReactorThread thread", Thread::Priority::NORMAL);
		handler_ = new Handler(thread_);
		handler_->Post([this]() { set_up_promise_->set_value(); });
		set_up_future.wait();
		}

		void TearDown(State& st) override {
		delete handler_;
		handler_ = nullptr;
		thread_->Stop();
		delete thread_;
		thread_ = nullptr;
		BM_ThreadPerformance::TearDown(st);
		}

		Thread* thread_ = nullptr;
		Handler* handler_ = nullptr;
		};

		BENCHMARK_F(BM_ReactorThread, batch_enque_dequeue)(State& state) {
		for (auto _ : state) {
		g_counter = 0;
		g_counter_promise = std::make_unique<std::promise<void>>();
		std::future<void> counter_future = g_counter_promise->get_future();
		for (int i = 0; i < NUM_MESSAGES_TO_SEND; i++) {
		fixed_queue_enqueue(bt_msg_queue_, (void*)&g_counter);
		handler_->Post([this]() { callback_batch(bt_msg_queue_, nullptr); });
		}
		counter_future.wait();
		}
		};

		BENCHMARK_F(BM_ReactorThread, sequential_execution)(State& state) {
		for (auto _ : state) {
		for (int i = 0; i < NUM_MESSAGES_TO_SEND; i++) {
		g_counter_promise = std::make_unique<std::promise<void>>();
		std::future<void> counter_future = g_counter_promise->get_future();
		handler_->Post([]() { callback_sequential(nullptr); });
		counter_future.wait();
		}
		}
		};

		int main(int argc, char** argv) {
		// Disable LOG() output from libchrome
		logging::LoggingSettings log_settings;