qt-everywhere-src-5.14.1/qtwebsockets/examples/websockets/echoclient/echoclient.cpp

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** Copyright (C) 2016 Kurt Pattyn <pattyn.kurt@gmail.com>.
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** This file is part of the QtWebSockets module of the Qt Toolkit.
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#include "echoclient.h"
#include <QtCore/QDebug>

QT_USE_NAMESPACE

//! [constructor]
EchoClient::EchoClient(const QUrl &url, bool debug, QObject *parent) :
    QObject(parent),
    m_url(url),
    m_debug(debug)
{
    if (m_debug)
        qDebug() << "WebSocket server:" << url;
    connect(&m_webSocket, &QWebSocket::connected, this, &EchoClient::onConnected);
    connect(&m_webSocket, &QWebSocket::disconnected, this, &EchoClient::closed);
    m_webSocket.open(QUrl(url));
}
//! [constructor]

//! [onConnected]
void EchoClient::onConnected()
{
    if (m_debug)
        qDebug() << "WebSocket connected";
    connect(&m_webSocket, &QWebSocket::textMessageReceived,
            this, &EchoClient::onTextMessageReceived);
    m_webSocket.sendTextMessage(QStringLiteral("Hello, world!"));
}
//! [onConnected]

//! [onTextMessageReceived]
void EchoClient::onTextMessageReceived(QString message)
{
    if (m_debug)
        qDebug() << "Message received:" << message;
    m_webSocket.close();
}
//! [onTextMessageReceived]