Method getRandomDeviceSegment

libminifi/src/utils/Id.cpp:214–236

}

uint64_t IdGenerator::getRandomDeviceSegment(int numBits) const {
  uint64_t deviceSegment = 0;
  Identifier::Data random_uuid{};
  for (int word = 0; word < 2; word++) {
#ifdef WIN32
    windowsUuidGenerateRandom(random_uuid);
#else
    uuid temp_uuid;
    temp_uuid.make(UUID_MAKE_V4);
    void* uuid_bin = temp_uuid.binary();
    memcpy(random_uuid.data(), uuid_bin, 16);
    free(uuid_bin);
#endif
    for (int i = 0; i < 4; i++) {
      deviceSegment += random_uuid[i];
      deviceSegment <<= 8;
    }
  }
  deviceSegment >>= 64 - numBits;
  logging::LOG_DEBUG(logger_) << "Using random defined device segment:" << deviceSegment;
  deviceSegment <<= 64 - numBits;
  return deviceSegment;
}

void IdGenerator::initialize(const std::shared_ptr<Properties>& properties) {
  std::string implementation_str;