libcamera/libcamera.git - libcamera official repository

path: root/test/v4l2_subdevice/test_formats.cpp

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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (C) 2019, Google Inc.
 *
 * message.cpp - Messages test
 */

#include <chrono>
#include <iostream>
#include <thread>

#include "libcamera/internal/message.h"
#include "libcamera/internal/thread.h"

#include "test.h"

using namespace std;
using namespace libcamera;

class MessageReceiver : public Object
{
public:
	enum Status {
		NoMessage,
		InvalidThread,
		MessageReceived,
	};

	MessageReceiver()
		: status_(NoMessage)
	{
	}

	Status status() const { return status_; }
	void reset() { status_ = NoMessage; }

protected:
	void message(Message *msg)
	{
		if (msg->type() != Message::None) {
			Object::message(msg);
			return;
		}

		if (thread() != Thread::current())
			status_ = InvalidThread;
		else
			status_ = MessageReceived;
	}

private:
	Status status_;
};

class SlowMessageReceiver : public Object
{
protected:
	void message(Message *msg)
	{
		if (msg->type() != Message::None) {
			Object::message(msg);
			return;
		}

		/*
		 * Don't access any member of the object here (including the
		 * vtable) as the object will be deleted by the main thread
		 * while we're sleeping.
		 */
		this_thread::sleep_for(chrono::milliseconds(100));
	}
};

class MessageTest : public Test
{
protected:
	int run()
	{
		Message::Type msgType[2] = {
			Message::registerMessageType(),
			Message::registerMessageType(),
		};

		if (msgType[0] != Message::UserMessage ||
		    msgType[1] != Message::UserMessage + 1) {


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