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