diff options
Diffstat (limited to 'examples/dbus/pingpong/ping.cpp')
-rw-r--r-- | examples/dbus/pingpong/ping.cpp | 72 |
1 files changed, 13 insertions, 59 deletions
diff --git a/examples/dbus/pingpong/ping.cpp b/examples/dbus/pingpong/ping.cpp index 64c1fe6bbf..a217107835 100644 --- a/examples/dbus/pingpong/ping.cpp +++ b/examples/dbus/pingpong/ping.cpp @@ -1,52 +1,5 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the examples of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause #include "ping-common.h" @@ -55,32 +8,33 @@ #include <QDBusInterface> #include <QDBusReply> -#include <stdio.h> +#include <iostream> int main(int argc, char **argv) { QCoreApplication app(argc, argv); - if (!QDBusConnection::sessionBus().isConnected()) { - fprintf(stderr, "Cannot connect to the D-Bus session bus.\n" - "To start it, run:\n" - "\teval `dbus-launch --auto-syntax`\n"); + 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, "/", "", QDBusConnection::sessionBus()); + QDBusInterface iface(SERVICE_NAME, "/"); if (iface.isValid()) { QDBusReply<QString> reply = iface.call("ping", argc > 1 ? argv[1] : ""); if (reply.isValid()) { - printf("Reply was: %s\n", qPrintable(reply.value())); + std::cout << "Reply was: " << qPrintable(reply.value()) << std::endl; return 0; } - fprintf(stderr, "Call failed: %s\n", qPrintable(reply.error().message())); + qWarning("Call failed: %s\n", qPrintable(reply.error().message())); return 1; } - fprintf(stderr, "%s\n", - qPrintable(QDBusConnection::sessionBus().lastError().message())); + qWarning("%s\n", qPrintable(connection.lastError().message())); return 1; } |