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50#include "echoclient.h"
51#include <QtCore/QDebug>
52
53QT_USE_NAMESPACE
54
55//! [constructor]
56EchoClient::EchoClient(const QUrl &url, bool debug, QObject *parent) :
57 QObject(parent),
58 m_url(url),
59 m_debug(debug)
60{
61 if (m_debug)
62 qDebug() << "WebSocket server:" << url;
63 connect(sender: &m_webSocket, signal: &QWebSocket::connected, receiver: this, slot: &EchoClient::onConnected);
64 connect(sender: &m_webSocket, signal: &QWebSocket::disconnected, receiver: this, slot: &EchoClient::closed);
65 m_webSocket.open(url: QUrl(url));
66}
67//! [constructor]
68
69//! [onConnected]
70void EchoClient::onConnected()
71{
72 if (m_debug)
73 qDebug() << "WebSocket connected";
74 connect(sender: &m_webSocket, signal: &QWebSocket::textMessageReceived,
75 receiver: this, slot: &EchoClient::onTextMessageReceived);
76 m_webSocket.sendTextMessage(QStringLiteral("Hello, world!"));
77}
78//! [onConnected]
79
80//! [onTextMessageReceived]
81void EchoClient::onTextMessageReceived(QString message)
82{
83 if (m_debug)
84 qDebug() << "Message received:" << message;
85 m_webSocket.close();
86}
87//! [onTextMessageReceived]
88

source code of qtwebsockets/examples/websockets/echoclient/echoclient.cpp