fifo_put_get.hh

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#ifndef __TLM_CORE_1_REQ_RSP_CHANNELS_FIFO_FIFO_PUT_GET_HH__
#define __TLM_CORE_1_REQ_RSP_CHANNELS_FIFO_FIFO_PUT_GET_HH__

namespace tlm
{

// Get interface.
template <typename T>
inline T
tlm_fifo<T>::get(tlm_tag<T> *)
{
    while (is_empty()) {
        wait(m_data_written_event);
    }

    m_num_read++;
    request_update();

    return buffer.read();
}

// Non-blocking read.
template <typename T>
inline bool
tlm_fifo<T>::nb_get(T &val_)
{
    if (is_empty()) {
        return false;
    }

    m_num_read++;
    request_update();

    val_ = buffer.read();

    return true;
}

template <typename T>
inline bool
tlm_fifo<T>::nb_can_get(tlm_tag<T> *) const
{
    return !is_empty();
}


// Put interface.
template <typename T>
inline void
tlm_fifo<T>::put(const T &val_)
{
    while (is_full()) {
        wait(m_data_read_event);
    }

    if (buffer.is_full()) {
        buffer.resize(buffer.size() * 2);
    }

    m_num_written++;
    buffer.write(val_);

    request_update();
}

template <typename T>
inline bool
tlm_fifo<T>::nb_put(const T &val_)
{
    if (is_full()) {
        return false;
    }

    if (buffer.is_full()) {
        buffer.resize(buffer.size() * 2);
    }

    m_num_written++;
    buffer.write(val_);
    request_update();

    return true;
}

template <typename T>
inline bool
tlm_fifo<T>::nb_can_put(tlm_tag<T> *) const
{
    return !is_full();
}

} // namespace tlm

#endif /* __TLM_CORE_1_REQ_RSP_CHANNELS_FIFO_FIFO_PUT_GET_HH__ */