Method initializeHash

src/Library/DevicePrivate.cpp:133–152

  }

  void DevicePrivate::initializeHash()
  {
    Hash hash;
    const std::string vendor_id = _device_id.getVendorID();
    const std::string product_id = _device_id.getProductID();

    if (vendor_id.empty() || product_id.empty()) {
      throw Exception("Device hash initialization", numberToString(getID()), "vendor and/or product id values not available");
    }

    /*
     * Hash name, device id and serial number fields.
     */
    for (const std::string& field : {
        _name, vendor_id, product_id, _serial_number
      }) {
      hash.update(field);
    }
    _hash = std::move(hash);
  }

  void DevicePrivate::updateHash(std::istream& descriptor_stream, const size_t expected_size)
  {