100 lines
2.7 KiB
C++
100 lines
2.7 KiB
C++
/*
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* Copyright (C) 2016 The Android Open Source Project
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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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* http://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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*/
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#include <gtest/gtest.h>
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#include <condition_variable>
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#include <mutex>
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#include <thread>
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#include "adb_io.h"
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#include "adb_unique_fd.h"
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#include "socket.h"
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#include "sysdeps.h"
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#include "sysdeps/chrono.h"
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static void WaitForFdeventLoop() {
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// Sleep for a bit to make sure that network events have propagated.
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std::this_thread::sleep_for(100ms);
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// fdevent_run_on_main_thread has a guaranteed ordering, and is guaranteed to happen after
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// socket events, so as soon as our function is called, we know that we've processed all
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// previous events.
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std::mutex mutex;
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std::condition_variable cv;
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std::unique_lock<std::mutex> lock(mutex);
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fdevent_run_on_main_thread([&]() {
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mutex.lock();
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mutex.unlock();
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cv.notify_one();
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});
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cv.wait(lock);
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}
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class FdeventTest : public ::testing::Test {
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protected:
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unique_fd dummy;
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~FdeventTest() {
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if (thread_.joinable()) {
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TerminateThread();
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}
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}
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static void SetUpTestCase() {
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#if !defined(_WIN32)
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ASSERT_NE(SIG_ERR, signal(SIGPIPE, SIG_IGN));
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#endif
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}
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void SetUp() override {
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fdevent_reset();
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ASSERT_EQ(0u, fdevent_installed_count());
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}
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// Register a placeholder socket used to wake up the fdevent loop to tell it to die.
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void PrepareThread() {
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int dummy_fds[2];
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if (adb_socketpair(dummy_fds) != 0) {
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FAIL() << "failed to create socketpair: " << strerror(errno);
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}
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asocket* dummy_socket = create_local_socket(unique_fd(dummy_fds[1]));
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if (!dummy_socket) {
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FAIL() << "failed to create local socket: " << strerror(errno);
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}
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dummy_socket->ready(dummy_socket);
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dummy.reset(dummy_fds[0]);
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thread_ = std::thread([]() { fdevent_loop(); });
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WaitForFdeventLoop();
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}
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size_t GetAdditionalLocalSocketCount() {
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// placeholder socket installed in PrepareThread()
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return 1;
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}
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void TerminateThread() {
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fdevent_terminate_loop();
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ASSERT_TRUE(WriteFdExactly(dummy, "", 1));
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thread_.join();
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dummy.reset();
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}
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std::thread thread_;
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};
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