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/*
* \file trc_raw_buffer.h
* \brief OpenCSD : Trace raw data byte buffer
*
* \copyright Copyright (c) 2019, ARM Limited. All Rights Reserved.
*/
/*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef ARM_TRC_RAW_BUFFER_H_INCLUDED
#define ARM_TRC_RAW_BUFFER_H_INCLUDED
#include <vector>
class TraceRawBuffer
{
public:
TraceRawBuffer() :
m_bufSize(0),
m_bufProcessed(0),
m_pBuffer(0),
pkt(0)
{};
~TraceRawBuffer() {};
// init the buffer
void init(const uint32_t size, const uint8_t *rawtrace, std::vector<uint8_t> *out_packet);
void copyByteToPkt(); // move a byte to the packet buffer
uint8_t peekNextByte(); // value of next byte in buffer.
bool empty() { return m_bufProcessed == m_bufSize; };
// bytes processed.
uint32_t processed() { return m_bufProcessed; };
// buffer size;
uint32_t size() { return m_bufSize; }
private:
uint32_t m_bufSize;
uint32_t m_bufProcessed;
const uint8_t *m_pBuffer;
std::vector<uint8_t> *pkt;
};
// init the buffer
inline void TraceRawBuffer::init(const uint32_t size, const uint8_t *rawtrace, std::vector<uint8_t> *out_packet)
{
m_bufSize = size;
m_bufProcessed = 0;
m_pBuffer = rawtrace;
pkt = out_packet;
}
inline void TraceRawBuffer::copyByteToPkt()
{
if (!empty()) {
pkt->push_back(m_pBuffer[m_bufProcessed]);
m_bufProcessed++;
}
}
inline uint8_t TraceRawBuffer::peekNextByte()
{
uint8_t val = 0;
if (!empty())
val = m_pBuffer[m_bufProcessed];
return val;
}
#endif // ARM_TRC_RAW_BUFFER_H_INCLUDED
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