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/****************************************************************************
**
** Copyright (C) 2021 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."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtCore>
#include <QtNetwork>
int main(int argc, char **argv) {
QCoreApplication app(argc, argv);
// This example connects to localhost, but note that the host can
// be any host reachable from the client using webscokets, at any port.
QString hostName = "localhost";
int port = 1515;
qDebug() << "This example connects to a server at" << hostName << "port" << port << ","
<< "where it expects to find a WebSockify server, which forwards to the fortune server.";
auto echo = [hostName, port]() {
QTcpSocket *socket = new QTcpSocket();
QObject::connect(socket, &QAbstractSocket::connected, [socket]() {
qDebug() << "Connected";
socket->write("Hello, echo server!");
socket->flush();
});
QObject::connect(socket, &QIODevice::readyRead, [socket]() {
QByteArray data = socket->readAll();
qDebug() << "Ready Read, got echo:" << data;
socket->disconnectFromHost();
socket->deleteLater();
});
QObject::connect(socket, &QAbstractSocket::errorOccurred, [socket]() {
qDebug() << "Error Occurred" << socket->error();
});
QObject::connect(socket, &QAbstractSocket::disconnected, [socket]() {
qDebug() << "Disconnected";
socket->deleteLater();
});
qDebug() << "Connect to host" << hostName << port;
socket->connectToHost(hostName, port);
};
QTimer::singleShot(500, [echo](){
echo();
});
return app.exec();
}
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