TimeSliceHeader.hxx

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namespace dunedaq::daqdataformats {
 
static_assert(std::is_trivially_copyable<TimeSliceHeader>::value,
              "TimeSliceHeader isn't trivially copyable and can't be safely std::memcpy'd");
 
static_assert(std::is_standard_layout<TimeSliceHeader>::value,
              "TimeSliceHeader isn't standard layout; reinterpret_cast and offsetof can't safely be used with it");
static_assert(TimeSliceHeader::s_timeslice_header_version == 2,
              "This is intentionally designed to tell the developer to update the static_assert checks (including this "
              "one) when the version is bumped");
static_assert(sizeof(TimeSliceHeader) == 32, "TimeSliceHeader struct size different than expected!");
static_assert(offsetof(TimeSliceHeader, timeslice_header_marker) == 0,
              "TimeSliceHeader timeslice_header_marker field not at expected offset!");
static_assert(offsetof(TimeSliceHeader, version) == 4, "TimeSliceHeader version field not at expected offset!");
static_assert(offsetof(TimeSliceHeader, timeslice_number) == 8,
              "TimeSliceHeader timeslice_number field not at expected offset!");
static_assert(offsetof(TimeSliceHeader, run_number) == 16, "TimeSliceHeader run_number field not at expected offset!");
static_assert(offsetof(TimeSliceHeader, unused) == 20, "TimeSliceHeader unused field not at expected offset!");
static_assert(offsetof(TimeSliceHeader, element_id) == 24, "TimeSliceHeader source_id field not at expected offset!");
 
inline std::ostream&
operator<<(std::ostream& o, TimeSliceHeader const& hdr)
{
  return o << "check_word: " << std::hex << hdr.timeslice_header_marker << std::dec << ", "
           << "version: " << hdr.version << ", "
 
           << "timeslice_number: " << hdr.timeslice_number << ", "
           << "run_number: " << hdr.run_number << ", "
           << "element_id: { " << hdr.element_id << " }";
}
 
} // namespace dunedaq::daqdataformats