OffloadBuffer.h

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/*
  Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef TRIGACCELEVENT_OFFLOADBUFFER_H
#define TRIGACCELEVENT_OFFLOADBUFFER_H
 
#include "DataExportBuffer.h"
#include <cstring>
 
namespace TrigAccel {
  
  class OffloadBuffer {
  public:
    OffloadBuffer(size_t size) : m_bufferSize(size) {
      m_rawBuffer = new unsigned char[m_bufferSize];
    }
 
    OffloadBuffer(const DATA_EXPORT_BUFFER* pB) {
      const size_t bufferOffset = 256;
      m_bufferSize = pB->m_size - bufferOffset;
      m_rawBuffer = new unsigned char[m_bufferSize];
      memcpy(m_rawBuffer, pB->m_buffer + bufferOffset, m_bufferSize);
    }
 
    virtual ~OffloadBuffer() {
      delete[] m_rawBuffer;
    }
 
    // no copy/assign
    OffloadBuffer(const OffloadBuffer&) = delete;
    OffloadBuffer& operator=(const OffloadBuffer&) = delete;
 
    unsigned char* get() {
      return m_rawBuffer;
    }
 
    size_t m_bufferSize;
    unsigned char* m_rawBuffer;
  };
}
 
#endif