22a7edd816
Add more error messages on failures. Task-number: QTBUG-25367 Task-number: QTBUG-25368 Change-Id: I064143a058b7b98d9d5eecab8b5da49f5307e1eb Reviewed-by: Edward Welbourne <edward.welbourne@theqtcompany.com> Reviewed-by: Richard J. Moore <rich@kde.org>
97 lines
3.1 KiB
C++
97 lines
3.1 KiB
C++
/****************************************************************************
|
|
**
|
|
** Copyright (C) 2015 The Qt Company Ltd.
|
|
** Contact: http://www.qt.io/licensing/
|
|
**
|
|
** This file is part of the test suite of the Qt Toolkit.
|
|
**
|
|
** $QT_BEGIN_LICENSE:LGPL21$
|
|
** 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 http://www.qt.io/terms-conditions. For further
|
|
** information use the contact form at http://www.qt.io/contact-us.
|
|
**
|
|
** GNU Lesser General Public License Usage
|
|
** Alternatively, this file may be used under the terms of the GNU Lesser
|
|
** General Public License version 2.1 or version 3 as published by the Free
|
|
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
|
|
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
|
|
** following information to ensure the GNU Lesser General Public License
|
|
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
|
|
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
|
|
**
|
|
** As a special exception, The Qt Company gives you certain additional
|
|
** rights. These rights are described in The Qt Company LGPL Exception
|
|
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
|
**
|
|
** $QT_END_LICENSE$
|
|
**
|
|
****************************************************************************/
|
|
#include <QtNetwork>
|
|
|
|
class Server : public QObject
|
|
{
|
|
Q_OBJECT
|
|
public:
|
|
|
|
Server() { connect(&serverSocket, &QIODevice::readyRead, this, &Server::sendEcho); }
|
|
|
|
bool bind(quint16 port)
|
|
{
|
|
const bool result = serverSocket.bind(QHostAddress::Any, port,
|
|
QUdpSocket::ReuseAddressHint
|
|
| QUdpSocket::ShareAddress);
|
|
if (result) {
|
|
printf("OK\n");
|
|
} else {
|
|
printf("FAILED: %s\n", qPrintable(serverSocket.errorString()));
|
|
}
|
|
fflush(stdout);
|
|
return result;
|
|
}
|
|
|
|
private slots:
|
|
void sendEcho()
|
|
{
|
|
QHostAddress senderAddress;
|
|
quint16 senderPort;
|
|
|
|
char data[1024];
|
|
qint64 bytes = serverSocket.readDatagram(data, sizeof(data), &senderAddress, &senderPort);
|
|
if (bytes == 1 && data[0] == '\0')
|
|
QCoreApplication::instance()->quit();
|
|
|
|
for (int i = 0; i < bytes; ++i)
|
|
data[i] += 1;
|
|
serverSocket.writeDatagram(data, bytes, senderAddress, senderPort);
|
|
}
|
|
|
|
private:
|
|
QUdpSocket serverSocket;
|
|
};
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
QCoreApplication app(argc, argv);
|
|
QStringList arguments = QCoreApplication::arguments();
|
|
arguments.pop_front();
|
|
quint16 port = 0;
|
|
if (!arguments.isEmpty())
|
|
port = arguments.constFirst().toUShort();
|
|
if (!port) {
|
|
printf("Specify port number\n");
|
|
return -1;
|
|
}
|
|
|
|
Server server;
|
|
if (!server.bind(port))
|
|
return -2;
|
|
|
|
return app.exec();
|
|
}
|
|
|
|
#include "main.moc"
|