void QNetworkAccessFileBackend::upstreamReadyRead()
{
Q_ASSERT_X(operation() == QNetworkAccessManager::PutOperation, "QNetworkAccessFileBackend",
"We're being told to upload data but operation isn't PUT!");
// there's more data to be written to the file
while (upstreamBytesAvailable()) {
// write everything and let QFile handle it
int written = file.write(readUpstream());
if (written < 0) {
// write error!
QString msg = QCoreApplication::translate("QNetworkAccessFileBackend", "Write error writing to %1: %2")
.arg(url().toString(), file.errorString());
error(QNetworkReply::ProtocolFailure, msg);
finished();
return;
}
// successful write
file.flush();
upstreamBytesConsumed(written);
}
}
QByteArray QNetworkAccessBackend::readUpstream()
{
// ### this is expensive. Consider making QRingBuffer::peekAll keep the buffer it returns
return reply->writeBuffer.peek(upstreamBytesAvailable());
}