Function GetAttributeAllTcpIpInterface

source/src/cip/ciptcpipinterface.c:325–382

}

EipStatus GetAttributeAllTcpIpInterface(
  CipInstance *instance,
  CipMessageRouterRequest *message_router_request,
  CipMessageRouterResponse *message_router_response,
  struct sockaddr *originator_address,
  const int encapsulation_session) {

  EipUint8 *response = message_router_response->data; /* pointer into the reply */
  CipAttributeStruct *attribute = instance->attributes;

  for (int j = 0; j < instance->cip_class->number_of_attributes; j++) /* for each instance attribute of this class */
  {
    int attribute_number = attribute->attribute_number;
    if (attribute_number < 32) /* only return attributes that are flagged as being part of GetAttributeALl */
    {
      message_router_request->request_path.attribute_number = attribute_number;

      if (8 == attribute_number) { /* insert 6 zeros for the required empty safety network number according to Table 5-3.10 */
        memset(message_router_response->data, 0, 6);
        message_router_response->data += 6;
      }

      if ( kEipStatusOkSend
           != GetAttributeSingleTcpIpInterface(instance, message_router_request,
                                               message_router_response,
                                               originator_address,
                                               encapsulation_session) ) {
        message_router_response->data = response;
        return kEipStatusError;
      }
      message_router_response->data += message_router_response->data_length;

      if (9 == attribute_number) {
        /* returning default value for unimplemented attributes 10,11 and 12 */

        /* attribute 10, type: BOOL, default value: 0 */
        message_router_response->data += 6;
        *(message_router_response->data) = 0;
        message_router_response->data += 1;

        /* attribute 11, type: STRUCT OF USINT, ARRAY of 6 USINTs, ARRAY of 28 USINTs default value: 0 */
        memset(message_router_response->data, 0, 29);
        message_router_response->data += 29;

        /* attribute 12, type: BOOL default value: 0 */
        *(message_router_response->data) = 0;
        message_router_response->data += 1;
      }

    }
    attribute++;
  }
  message_router_response->data_length = message_router_response->data
                                         - response;
  message_router_response->data = response;

  return kEipStatusOkSend;
}