Revision control
++ // Copyright (C) 2017 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++
++ #include "websocketiodevice.h"
++
++ #include <QtCore/QDebug>
++
++ #include <QtWebSockets/qwebsockethandshakeoptions.h>
++
++ WebSocketIODevice::WebSocketIODevice(QObject *parent)
++ : QIODevice(parent)
++ {
++ connect(&m_socket, &QWebSocket::connected, this, &WebSocketIODevice::onSocketConnected);
++ connect(&m_socket, &QWebSocket::binaryMessageReceived, this, &WebSocketIODevice::handleBinaryMessage);
++ }
++
++ bool WebSocketIODevice::isSequential() const
++ {
++ return true;
++ }
++
++ qint64 WebSocketIODevice::bytesAvailable() const
++ {
++ return static_cast<qint64>(m_buffer.size()) + QIODevice::bytesAvailable();
++ }
++
++ bool WebSocketIODevice::open(QIODevice::OpenMode mode)
++ {
++ QWebSocketHandshakeOptions options;
++ options.setSubprotocols(QStringList{ QString::fromUtf8(m_protocol) });
++
++ m_socket.open(m_url, options);
++
++ return QIODevice::open(mode);
++ }
++
++ void WebSocketIODevice::close()
++ {
++ m_socket.close();
++ QIODevice::close();
++ }
++
++ qint64 WebSocketIODevice::readData(char *data, qint64 maxlen)
++ {
++ qint64 bytesToRead = qMin(maxlen, (qint64)m_buffer.size());
++ memcpy(data, m_buffer.constData(), static_cast<size_t>(bytesToRead));
++ m_buffer = m_buffer.right(m_buffer.size() - bytesToRead);
++ return bytesToRead;
++ }
++
++ qint64 WebSocketIODevice::writeData(const char *data, qint64 len)
++ {
++ QByteArray msg(data, len);
++ const int length = m_socket.sendBinaryMessage(msg);
++ return length;
++ }
++
++ void WebSocketIODevice::setUrl(const QUrl &url)
++ {
++ m_url = url;
++ }
++
++ void WebSocketIODevice::setProtocol(const QByteArray &data)
++ {
++ m_protocol = data;
++ }
++
++ void WebSocketIODevice::handleBinaryMessage(const QByteArray &msg)
++ {
++ m_buffer.append(msg);
++ emit readyRead();
++ }
++
++ void WebSocketIODevice::onSocketConnected()
++ {
++ emit socketConnected();
++ }