Exemplo n.º 1
0
void TgtTelnetIntf::tgtReadCallback(const boost::system::error_code& error, const size_t bytesTransferred)
{
    if (!error)
    {
        boost::asio::mutable_buffer buffer;

        if (bytesTransferred > 0)
        {
            if (_currentIncomingBuffer != nullptr)
            {
                _currentIncomingBuffer->_buffer =
                    boost::asio::buffer(_currentIncomingBuffer->_buffer, bytesTransferred);
                boost::intrusive_ptr<RefCntBuffer> readData;
                _bufferPool->dequeue(readData, 100);
                if (readData != nullptr)
                {
                    int numBytes = tgtTelnetProcessData(readData);
                    if (numBytes > 0)
                    {
                        readData->_buffer = boost::asio::buffer(readData->_buffer, numBytes);
                        _incomingData.enqueue(readData);
                    }
                }
            }
            _bufferPool->dequeue(_currentIncomingBuffer, 100);
        }
        if (_currentIncomingBuffer == nullptr)
        {
            // If there are no buffers available then just throw away the next
            // bit if incoming data...
            buffer = boost::asio::buffer(_throwAway, sizeof(_throwAway) - 1);
        }
        else
        {
            buffer = _currentIncomingBuffer->_buffer;
        }
        _socket->async_read_some(boost::asio::buffer(buffer, boost::asio::buffer_size(buffer) - 1),
                                 boost::bind(&TgtTelnetIntf::tgtReadCallback, this,
                                             boost::asio::placeholders::error,
                                             boost::asio::placeholders::bytes_transferred));
    }
    else
    {
        tgtAttemptReconnect();
    }
}
Exemplo n.º 2
0
bool TgtSerialIntf::writerThread()
{
    boost::intrusive_ptr<RefCntBuffer> b;
    boost::system::error_code ec;
    bool attemptReconnect = false;
    if (_outgoingData.dequeue(b, 100) == true)
    {
        boost::asio::write(*_port.get(), boost::asio::buffer(b->_buffer), ec);
        if (ec)
        {
            attemptReconnect = true;
        }
    }
    if (attemptReconnect == true)
    {
        tgtAttemptReconnect();
    }
    return !attemptReconnect;
}
Exemplo n.º 3
0
bool TgtCppsshIntf::sshThread()
{
    bool attemptReconnect = false;
    if ((isConnected() == false) || (sshSend() == false) || (sshRecv() == false))
    {
        attemptReconnect = true;
        _sshData->_connected = false;
    }
    else if (_sshData->_windowResize == true)
    {
        tgtWindowResize(_sshData->_columns, _sshData->_rows);
    }

    if (attemptReconnect == true)
    {
        tgtAttemptReconnect();
        _sshData->_windowResize = true;
    }
    return !attemptReconnect;
}
Exemplo n.º 4
0
void TgtSerialIntf::tgtReadCallback(const boost::system::error_code& error, const size_t bytesTransferred)
{
    if (!error)
    {
        boost::asio::mutable_buffer buffer;

        if (bytesTransferred > 0)
        {
            if (_currentIncomingBuffer != nullptr)
            {
                _currentIncomingBuffer->_buffer =
                    boost::asio::buffer(_currentIncomingBuffer->_buffer, bytesTransferred);
                _incomingData.enqueue(_currentIncomingBuffer);
            }
            _bufferPool->dequeue(_currentIncomingBuffer, 100);
        }
        if (_currentIncomingBuffer == nullptr)
        {
            // If there are no buffers available then just throw away the next
            // bit if incoming data...
            buffer = boost::asio::buffer(_throwAway, sizeof(_throwAway) - 1);
        }
        else
        {
            buffer = _currentIncomingBuffer->_buffer;
        }
        _port->async_read_some(boost::asio::buffer(buffer, boost::asio::buffer_size(buffer) - 1),
                               boost::bind(&TgtSerialIntf::tgtReadCallback, this,
                                           boost::asio::placeholders::error,
                                           boost::asio::placeholders::bytes_transferred));
    }
    else
    {
        tgtAttemptReconnect();
    }
}