c676608442
This example connects an echo server running behind
WebSockify, on localhost.
For example, start websockify with
websockify 1515 localhost:1516
to accept a webscoket connection on 1515 and forward
to echo_server at 1516.
Change-Id: Id71364e4ab8c46d3482b515fcd1b991b61d7404b
Reviewed-by: Lorn Potter <lorn.potter@gmail.com>
(cherry picked from commit 5548b940fb52715d2a25a6316c2b44c83fdbbcbc)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
100 lines
3.9 KiB
C++
100 lines
3.9 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2021 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** BSD License Usage
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** Alternatively, you may use this file under the terms of the BSD license
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** as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of The Qt Company Ltd nor the names of its
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** contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtCore>
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#include <QtNetwork>
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int main(int argc, char **argv) {
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QCoreApplication app(argc, argv);
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// This example connects to localhost, but note that the host can
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// be any host reachable from the client using webscokets, at any port.
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QString hostName = "localhost";
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int port = 1515;
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qDebug() << "This example connects to a server at" << hostName << "port" << port << ","
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<< "where it expects to find a WebSockify server, which forwards to the fortune server.";
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auto echo = [hostName, port]() {
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QTcpSocket *socket = new QTcpSocket();
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QObject::connect(socket, &QAbstractSocket::connected, [socket]() {
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qDebug() << "Connected";
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socket->write("Hello, echo server!");
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socket->flush();
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});
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QObject::connect(socket, &QIODevice::readyRead, [socket]() {
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QByteArray data = socket->readAll();
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qDebug() << "Ready Read, got echo:" << data;
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socket->disconnectFromHost();
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socket->deleteLater();
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});
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QObject::connect(socket, &QAbstractSocket::errorOccurred, [socket]() {
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qDebug() << "Error Occurred" << socket->error();
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});
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QObject::connect(socket, &QAbstractSocket::disconnected, [socket]() {
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qDebug() << "Disconnected";
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socket->deleteLater();
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});
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qDebug() << "Connect to host" << hostName << port;
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socket->connectToHost(hostName, port);
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};
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QTimer::singleShot(500, [echo](){
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echo();
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});
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return app.exec();
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}
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