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// Copyright (C) 2025 Ford Motor Company
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <QtCore/qcoreapplication.h>
#include <QtCore/qsocketnotifier.h>
#include <QtCore/qtimer.h>
#include <QtRemoteObjects/qremoteobjectreplica.h>
#include <QtRemoteObjects/qremoteobjectnode.h>
#ifdef Q_OS_WIN
# include <QtCore/qt_windows.h>
# include <QtCore/qwineventnotifier.h>
#endif // Q_OS_WIN
#include <iostream>
using namespace Qt::StringLiterals;
class CommandReader : public QObject
{
Q_OBJECT
public:
explicit CommandReader(QObject *parent = nullptr) : QObject(parent)
{
#ifndef Q_OS_WIN
auto *notifier = new QSocketNotifier(fileno(stdin), QSocketNotifier::Read, this);
connect(notifier, &QSocketNotifier::activated, this, &CommandReader::handleInput);
#else
// FIXME: Does not work, signals triggers too often, the app is stuck in getline()
auto notifier = new QWinEventNotifier(GetStdHandle(STD_INPUT_HANDLE), this);
connect(notifier, &QWinEventNotifier::activated, this, &CommandReader::handleInput);
#endif
}
signals:
void started();
private slots:
void handleInput()
{
std::string line;
if (!std::getline(std::cin, line))
return;
if (line == "quit") {
std::cerr << "harness: Received quit. Stopping harness event loop.\n";
QCoreApplication::quit();
} else if (line == "start") {
std::cerr << "harness: Received start. Initializing harness nodes.\n";
emit started();
} else {
std::cerr << "harness: Unknown command \"" << line << "\"\n";
}
}
};
class Runner : public QObject
{
Q_OBJECT
public:
Runner(const QUrl &url, const QString &repName, QObject *parent = nullptr)
: QObject(parent)
, m_url(url)
, m_repName(repName)
{
m_host.setObjectName("cpp_host");
if (!m_host.setHostUrl(QUrl("tcp://127.0.0.1:0"_L1))) {
qWarning() << "harness: setHostUrl failed: " << m_host.lastError() << m_host.hostUrl();
std::cerr << "harness: Fatal harness error.\n";
QCoreApplication::exit(-2);
}
m_node.setObjectName("cpp_node");
std::cout << "harness: Host url:" << m_host.hostUrl().toEncoded().constData() << '\n';
std::cout.flush();
}
public slots:
void onStart()
{
m_node.connectToNode(m_url);
m_replica.reset(m_node.acquireDynamic(m_repName));
if (!m_replica->waitForSource(1000)) {
std::cerr << "harness: Failed to acquire replica.\n";
QCoreApplication::exit(-1);
}
m_host.enableRemoting(m_replica.get());
}
private:
QUrl m_url;
QString m_repName;
QRemoteObjectHost m_host;
QRemoteObjectNode m_node;
std::unique_ptr<QRemoteObjectDynamicReplica> m_replica;
};
int main(int argc, char *argv[])
{
QCoreApplication a(argc, argv);
if (argc < 3) {
std::cerr << "Usage: " << argv[0] << " <url> <name of type>\n";
return -1;
}
QUrl url = QUrl::fromUserInput(QString::fromUtf8(argv[1]));
QString repName = QString::fromUtf8(argv[2]);
if (!url.isValid()) {
std::cerr << "Invalid URL: " << argv[1] << '\n';
return -1;
}
CommandReader reader;
Runner runner(url, repName);
QRemoteObjectNode node;
node.setObjectName("cpp_node");
std::unique_ptr<QRemoteObjectDynamicReplica> replica;
QObject::connect(&reader, &CommandReader::started, &runner, &Runner::onStart);
return QCoreApplication::exec();
}
#include "cpp_interop.moc"
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