llc: Make the index 'private' by appending a m_ to it.
At some point in the future we can start using the private/protected keywords in this struct.
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@ -31,13 +31,13 @@ extern "C" {
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/* reset LLC frame */
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void gprs_llc::reset()
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{
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index = 0;
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m_index = 0;
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m_length = 0;
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}
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void gprs_llc::reset_frame_space()
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{
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index = 0;
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m_index = 0;
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}
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void gprs_llc::enqueue(struct msgb *llc_msg)
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@ -48,14 +48,14 @@ void gprs_llc::enqueue(struct msgb *llc_msg)
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void gprs_llc::put_frame(const uint8_t *data, size_t len)
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{
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/* only put frames when we are empty */
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OSMO_ASSERT(index == 0 && m_length == 0);
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OSMO_ASSERT(m_index == 0 && m_length == 0);
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append_frame(data, len);
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}
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void gprs_llc::append_frame(const uint8_t *data, size_t len)
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{
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/* TODO: bounds check */
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memcpy(frame + index, data, len);
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memcpy(frame + m_index, data, len);
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m_length += len;
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}
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14
src/llc.h
14
src/llc.h
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@ -50,19 +50,19 @@ struct gprs_llc {
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bool fits_in_current_frame(uint8_t size) const;
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uint8_t frame[LLC_MAX_LEN]; /* current DL or UL frame */
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uint16_t index; /* current write/read position of frame */
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uint16_t m_index; /* current write/read position of frame */
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uint16_t m_length; /* len of current DL LLC_frame, 0 == no frame */
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struct llist_head queue; /* queued LLC DL data */
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};
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inline uint16_t gprs_llc::chunk_size() const
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{
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return m_length - index;
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return m_length - m_index;
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}
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inline uint16_t gprs_llc::remaining_space() const
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{
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return LLC_MAX_LEN - index;
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return LLC_MAX_LEN - m_index;
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}
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inline uint16_t gprs_llc::frame_length() const
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@ -72,17 +72,17 @@ inline uint16_t gprs_llc::frame_length() const
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inline void gprs_llc::consume(size_t len)
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{
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index += len;
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m_index += len;
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}
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inline void gprs_llc::consume(uint8_t *data, size_t len)
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{
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/* copy and increment index */
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memcpy(data, frame + index, len);
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index += len;
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memcpy(data, frame + m_index, len);
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consume(len);
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}
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inline bool gprs_llc::fits_in_current_frame(uint8_t chunk_size) const
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{
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return index + chunk_size <= LLC_MAX_LEN;
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return m_index + chunk_size <= LLC_MAX_LEN;
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}
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