mirror of
https://github.com/stargieg/bacnet-stack
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138 lines
4.5 KiB
C
138 lines
4.5 KiB
C
/**************************************************************************
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*
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* Copyright (C) 2012 Steve Karg <skarg@users.sourceforge.net>
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*********************************************************************/
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#ifndef READPROPERTY_H
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#define READPROPERTY_H
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#include <stdint.h>
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#include <stdbool.h>
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#include "bacdef.h"
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#include "bacenum.h"
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typedef struct BACnet_Read_Property_Data {
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BACNET_OBJECT_TYPE object_type;
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uint32_t object_instance;
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BACNET_PROPERTY_ID object_property;
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uint32_t array_index;
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uint8_t *application_data;
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int application_data_len;
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BACNET_ERROR_CLASS error_class;
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BACNET_ERROR_CODE error_code;
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} BACNET_READ_PROPERTY_DATA;
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/* Forward declaration of RPM-style data structure */
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struct BACnet_Read_Access_Data;
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/** Reads one property for this object type of a given instance.
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* A function template; @see device.c for assignment to object types.
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* @ingroup ObjHelpers
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*
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* @param rp_data [in] Pointer to the BACnet_Read_Property_Data structure,
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* which is packed with the information from the RP request.
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* @return The length of the apdu encoded or -1 for error or
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* -2 for abort message.
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*/
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typedef int (
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*read_property_function) (
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BACNET_READ_PROPERTY_DATA * rp_data);
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/* encode service */
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int rp_encode_apdu(
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uint8_t * apdu,
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uint8_t invoke_id,
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BACNET_READ_PROPERTY_DATA * rpdata);
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/* decode the service request only */
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int rp_decode_service_request(
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uint8_t * apdu,
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unsigned apdu_len,
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BACNET_READ_PROPERTY_DATA * rpdata);
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/* method to encode the ack without extra buffer */
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int rp_ack_encode_apdu_init(
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uint8_t * apdu,
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uint8_t invoke_id,
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BACNET_READ_PROPERTY_DATA * rpdata);
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int rp_ack_encode_apdu_object_property_end(
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uint8_t * apdu);
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/* method to encode the ack using extra buffer */
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int rp_ack_encode_apdu(
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uint8_t * apdu,
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uint8_t invoke_id,
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BACNET_READ_PROPERTY_DATA * rpdata);
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int rp_ack_decode_service_request(
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uint8_t * apdu,
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int apdu_len, /* total length of the apdu */
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BACNET_READ_PROPERTY_DATA * rpdata);
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/* Decode instead to RPM-style data structure. */
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int rp_ack_fully_decode_service_request(
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uint8_t * apdu,
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int apdu_len,
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struct BACnet_Read_Access_Data *read_access_data);
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#ifdef TEST
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#include "ctest.h"
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int rp_decode_apdu(
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uint8_t * apdu,
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unsigned apdu_len,
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uint8_t * invoke_id,
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BACNET_READ_PROPERTY_DATA * rpdata);
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int rp_ack_decode_apdu(
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uint8_t * apdu,
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int apdu_len, /* total length of the apdu */
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uint8_t * invoke_id,
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BACNET_READ_PROPERTY_DATA * rpdata);
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void test_ReadProperty(
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Test * pTest);
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void test_ReadPropertyAck(
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Test * pTest);
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#endif
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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/** @defgroup DataShare Data Sharing BIBBs
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* These BIBBs prescribe the BACnet capabilities required to interoperably
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* perform the data sharing functions enumerated in 22.2.1.1 for the BACnet
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* devices defined therein.
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*/
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/** @defgroup DSRP Data Sharing -Read Property Service (DS-RP)
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* @ingroup DataShare
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* 15.5 ReadProperty Service <br>
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* The ReadProperty service is used by a client BACnet-user to request the
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* value of one property of one BACnet Object. This service allows read access
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* to any property of any object, whether a BACnet-defined object or not.
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*/
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#endif
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