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generated by cgit v1.2.1 (git 2.18.0) at 2024-12-27 01:03:36 +0000
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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (C) 2019, Google Inc.
 *
 * event.cpp - Event test
 */

#include <iostream>
#include <string.h>
#include <unistd.h>

#include <libcamera/base/event_dispatcher.h>
#include <libcamera/base/event_notifier.h>
#include <libcamera/base/thread.h>
#include <libcamera/base/timer.h>

#include "test.h"

using namespace libcamera;
using namespace std;
using namespace std::chrono_literals;

class EventTest : public Test
{
protected:
	void readReady()
	{
		size_ = read(notifier_->fd(), data_, sizeof(data_));
		notified_ = true;
	}

	int init()
	{
		notifier_ = nullptr;

		return pipe(pipefd_);
	}

	int run()
	{
		EventDispatcher *dispatcher = Thread::current()->eventDispatcher();
		std::string data("H2G2");
		Timer timeout;
		ssize_t ret;

		notifier_ = new EventNotifier(pipefd_[0], EventNotifier::Read);
		notifier_->activated.connect(this, &EventTest::readReady);

		/* Test read notification with data. */
		memset(data_, 0, sizeof(data_));
		size_ = 0;

		ret = write(pipefd_[1], data.data(), data.size());
		if (ret < 0) {
			cout << "Pipe write failed" << endl;
			return TestFail;
		}

		timeout.start(100ms);
		dispatcher->processEvents();
		timeout.stop();

		if (static_cast<size_t>(size_) != data.size()) {
			cout << "Event notifier read ready test failed" << endl;
			return TestFail;
		}

		/* Test read notification without data. */
		notified_ = false;

		timeout.start(100ms);
		dispatcher->processEvents();
		timeout.stop();

		if (notified_) {
			cout << "Event notifier read no ready test failed" << endl;
			return TestFail;
		}

		/* Test read notifier disabling. */
		notified_ = false;
		notifier_->setEnabled(false);

		ret = write(pipefd_[1], data.data(), data.size());
		if (ret < 0) {
			cout << "Pipe write failed" << endl;
			return TestFail;
		}

		timeout.start(100ms);
		dispatcher->processEvents();
		timeout.stop();

		if (notified_) {
			cout << "Event notifier read disabling failed" << endl;