Newer socket-reader code

/**
 * @brief The ReadFunctor struct reads data from the nntp socket and stores
 * in an array of chars
 */
struct ReadFunctor
{
    ReadFunctor(QSslSocket &sock, std::vector<char> &buffer) : m_sock(sock), m_buffer(buffer){}

    qint64 operator()()
    {
        if(m_sock.waitForReadyRead(2000)) {
            qint64 bytesAvailable = m_sock.bytesAvailable();
            qDebug() << "bytesAvailable: "<<bytesAvailable;
            m_buffer.resize(bytesAvailable);
            return m_sock.read(&m_buffer[0], bytesAvailable);
        }
        return 0;
    }
    QSslSocket &m_sock;
    std::vector<char> &m_buffer;
};


void
NNTPConnector::readFromSocket(std::ostream &writeToMe, int const count,
                              std::string const &escapeSequence)
{
    qint64 bytesRead = 0;
    int breakCount = 0;
    // note, code for StreamWriter is omitted for brevity
    StreamWriter streamWriter(writeToMe, count, escapeSequence);
    do {
        std::vector<char> buffer;
        ReadFunctor readFunctor(nntp, buffer);
        bytesRead = readFunctor();
        qDebug() << (nntp.state() == QAbstractSocket::ConnectedState);
        qDebug() << "bytesRead: "<<bytesRead;
        m_bytesAll += bytesRead;
        emit bytesReadSignal(m_bytesAll);
        breakCount = streamWriter(buffer);

        //
        // Note, when breakCount >= count, there will be no more
        // incoming data and so we can safely break out and not bother
        // issuing a waitForReadyRead
        //
    } while (breakCount < count && bytesRead > 0);
}