qt6windows7/examples/dbus/pingpong/ping.cpp

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2023-10-30 06:33:08 +08:00
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include "ping-common.h"
#include <QCoreApplication>
#include <QDBusConnection>
#include <QDBusInterface>
#include <QDBusReply>
#include <iostream>
int main(int argc, char **argv)
{
QCoreApplication app(argc, argv);
auto connection = QDBusConnection::sessionBus();
if (!connection.isConnected()) {
qWarning("Cannot connect to the D-Bus session bus.\n"
"To start it, run:\n"
"\teval `dbus-launch --auto-syntax`\n");
return 1;
}
QDBusInterface iface(SERVICE_NAME, "/");
if (iface.isValid()) {
QDBusReply<QString> reply = iface.call("ping", argc > 1 ? argv[1] : "");
if (reply.isValid()) {
std::cout << "Reply was: " << qPrintable(reply.value()) << std::endl;
return 0;
}
qWarning("Call failed: %s\n", qPrintable(reply.error().message()));
return 1;
}
qWarning("%s\n", qPrintable(connection.lastError().message()));
return 1;
}