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// 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();
}
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