DAPHNESuperChunkTypeAdapter.hpp

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#ifndef FDREADOUTLIBS_INCLUDE_FDREADOUTLIBS_DAPHNESUPERCHUNKTYPEADAPTER_
#define FDREADOUTLIBS_INCLUDE_FDREADOUTLIBS_DAPHNESUPERCHUNKTYPEADAPTER_
 
#include "daqdataformats/FragmentHeader.hpp"
#include "daqdataformats/SourceID.hpp"
#include "fddetdataformats/DAPHNEFrame.hpp"
 
#include <cstdint> // uint_t types
#include <memory>  // unique_ptr
#include <vector>
#include <cstring> // memcpy
#include <tuple> // forward_as_tuple
 
namespace dunedaq {
namespace fdreadoutlibs {
namespace types {
 
const constexpr std::size_t kDAPHNENumFrames = 3;
const constexpr std::size_t kDAPHNEFrameSize = 1864;
const constexpr std::size_t kDAPHNESuperChunkSize = kDAPHNENumFrames * kDAPHNEFrameSize; // for 12: 22368
struct DAPHNESuperChunkTypeAdapter
{
  using FrameType = dunedaq::fddetdataformats::DAPHNEFrame;
  // data
  char data[kDAPHNESuperChunkSize];
  // comparable based on first timestamp and first channel
  bool operator<(const DAPHNESuperChunkTypeAdapter& other) const
  {
    auto thisptr = reinterpret_cast<const dunedaq::fddetdataformats::DAPHNEFrame*>(&data);        // NOLINT
    auto otherptr = reinterpret_cast<const dunedaq::fddetdataformats::DAPHNEFrame*>(&other.data); // NOLINT
 
    return std::forward_as_tuple(thisptr->get_timestamp(), thisptr->get_channel()) < std::forward_as_tuple(otherptr->get_timestamp(), otherptr->get_channel());
  }
 
  uint64_t get_timestamp() const // NOLINT(build/unsigned)
  {
    return reinterpret_cast<const dunedaq::fddetdataformats::DAPHNEFrame*>(&data)->get_timestamp(); // NOLINT
  }
 
  void set_timestamp(uint64_t ts) // NOLINT(build/unsigned)
  {
    auto frame = reinterpret_cast<dunedaq::fddetdataformats::DAPHNEFrame*>(&data); // NOLINT
    frame->daq_header.timestamp_1 = ts;
    frame->daq_header.timestamp_2 = ts >> 32;
  }
 
  void fake_timestamps(uint64_t first_timestamp, uint64_t offset = expected_tick_difference) // NOLINT(build/unsigned)
  {
    uint64_t ts_next = first_timestamp; // NOLINT(build/unsigned)
    for (unsigned int i = 0; i < get_num_frames(); ++i) {
      auto df = reinterpret_cast<dunedaq::fddetdataformats::DAPHNEFrame*>(((uint8_t*)(&data)) + i * get_frame_size()); // NOLINT
      df->daq_header.timestamp_1 = ts_next;
      df->daq_header.timestamp_2 = ts_next >> 32;
      ts_next += offset;
    }
  }
 
  void fake_geoid(uint16_t crate_id, uint16_t slot_id, uint16_t link_id) {
      for (unsigned int i = 0; i < get_num_frames(); ++i) {
        auto df = reinterpret_cast<FrameType*>((reinterpret_cast<uint8_t*>(&data)) + i * get_frame_size());
        df->daq_header.slot_id = slot_id;
        df->daq_header.link_id = link_id;
        df->daq_header.crate_id = crate_id;
      }
  }
 
  void fake_adc_pattern(int /*channel*/) {
  }
 
  void fake_frame_errors(std::vector<uint16_t>* /*fake_errors*/) // NOLINT
  {
    // Set frame error bits in header
  }
 
  FrameType* begin()
  {
    return reinterpret_cast<FrameType*>(&data[0]); // NOLINT
  }
 
  FrameType* end()
  {
    return reinterpret_cast<FrameType*>(data + kDAPHNESuperChunkSize); // NOLINT
  }
 
  size_t get_payload_size() { return get_num_frames() * get_frame_size(); }
 
  size_t get_num_frames() { return kDAPHNENumFrames; }
 
  size_t get_frame_size() { return kDAPHNEFrameSize; }
 
  static const constexpr daqdataformats::SourceID::Subsystem subsystem = daqdataformats::SourceID::Subsystem::kDetectorReadout;
  static const constexpr daqdataformats::FragmentType fragment_type = daqdataformats::FragmentType::kDAPHNE;
  static const constexpr uint64_t expected_tick_difference = 1024; // NOLINT(build/unsigned)
};
 
static_assert(sizeof(struct DAPHNESuperChunkTypeAdapter) == kDAPHNESuperChunkSize,
              "Check your assumptions on DAPHNESuperChunkTypeAdapter");
 
 
} // namespace types
} // namespace fdreadoutlibs
} // namespace dunedaq
 
#endif /* FDREADOUTLIBS_INCLUDE_FDREADOUTLIBS_DAPHNESUPERCHUNKTYPEADAPTER_ */