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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 std;
using namespace libcamera;
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(100);
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(100);
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(100);
dispatcher->processEvents();
timeout.stop();
if (notified_) {
cout << "Event notifier read disabling failed" << endl;
return TestFail;
}
/* Test read notifier enabling. */
notified_ = false;
notifier_->setEnabled(true);
timeout.start(100);
dispatcher->processEvents();
timeout.stop();
if (!notified_) {
cout << "Event notifier read enabling test failed" << endl;
return TestFail;
}
return TestPass;
}
void cleanup()
{
delete notifier_;
close(pipefd_[0]);
close(pipefd_[1]);
}
private:
int pipefd_[2];
EventNotifier *notifier_;
bool notified_;
char data_[16];
ssize_t size_;
};
TEST_REGISTER(EventTest)
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