/*!
\internal
*/
bool QWebSocketDataProcessor::processControlFrame(const QWebSocketFrame &frame)
{
bool mustStopProcessing = true; //control frames never expect additional frames to be processed
switch (frame.opCode()) {
case QWebSocketProtocol::OpCodePing:
Q_EMIT pingReceived(frame.payload());
break;
case QWebSocketProtocol::OpCodePong:
Q_EMIT pongReceived(frame.payload());
break;
case QWebSocketProtocol::OpCodeClose:
{
quint16 closeCode = QWebSocketProtocol::CloseCodeNormal;
QString closeReason;
QByteArray payload = frame.payload();
if (Q_UNLIKELY(payload.size() == 1)) {
//size is either 0 (no close code and no reason)
//or >= 2 (at least a close code of 2 bytes)
closeCode = QWebSocketProtocol::CloseCodeProtocolError;
closeReason = tr("Payload of close frame is too small.");
} else if (Q_LIKELY(payload.size() > 1)) {
//close frame can have a close code and reason
closeCode = qFromBigEndian<quint16>(reinterpret_cast<const uchar *>(payload.constData()));
if (Q_UNLIKELY(!QWebSocketProtocol::isCloseCodeValid(closeCode))) {
closeCode = QWebSocketProtocol::CloseCodeProtocolError;
closeReason = tr("Invalid close code %1 detected.").arg(closeCode);
} else {
if (payload.size() > 2) {
QTextCodec *tc = QTextCodec::codecForName(QByteArrayLiteral("UTF-8"));
QTextCodec::ConverterState state(QTextCodec::ConvertInvalidToNull);
closeReason = tc->toUnicode(payload.constData() + 2, payload.size() - 2, &state);
const bool failed = (state.invalidChars != 0) || (state.remainingChars != 0);
if (Q_UNLIKELY(failed)) {
closeCode = QWebSocketProtocol::CloseCodeWrongDatatype;
closeReason = tr("Invalid UTF-8 code encountered.");
}
}
}
}
Q_EMIT closeReceived(static_cast<QWebSocketProtocol::CloseCode>(closeCode), closeReason);
break;
}
case QWebSocketProtocol::OpCodeContinue:
case QWebSocketProtocol::OpCodeBinary:
case QWebSocketProtocol::OpCodeText:
case QWebSocketProtocol::OpCodeReserved3:
case QWebSocketProtocol::OpCodeReserved4:
case QWebSocketProtocol::OpCodeReserved5:
case QWebSocketProtocol::OpCodeReserved6:
case QWebSocketProtocol::OpCodeReserved7:
case QWebSocketProtocol::OpCodeReservedC:
case QWebSocketProtocol::OpCodeReservedB:
case QWebSocketProtocol::OpCodeReservedD:
case QWebSocketProtocol::OpCodeReservedE:
case QWebSocketProtocol::OpCodeReservedF:
//do nothing
//case statements added to make C++ compiler happy
break;
default:
Q_EMIT errorEncountered(QWebSocketProtocol::CloseCodeProtocolError,
tr("Invalid opcode detected: %1").arg(int(frame.opCode())));
//do nothing
break;
}
return mustStopProcessing;
}
void GfxGLWindowGLUT::handleMiscEvents()
{
if ( _closeReceived ) {
closeReceived();
}
}