Steve Karg
132 lines
5.4 KiB
C
132 lines
5.4 KiB
C
/**************************************************************************
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*
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* Copyright (C) 2005 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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*********************************************************************/
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#include <stddef.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include "bacnet/config.h"
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#include "bacnet/datalink/datalink.h"
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#include "bacnet/basic/tsm/tsm.h"
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#include "bacnet/basic/services.h"
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#include "bacnet/bacdef.h"
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#include "bacnet/bacdcode.h"
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#include "bacnet/bacerror.h"
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#include "bacnet/apdu.h"
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#include "bacnet/npdu.h"
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#include "bacnet/abort.h"
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#include "bacnet/wp.h"
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/* demo objects */
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#include "bacnet/basic/object/device.h"
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#include "bacnet/basic/object/av.h"
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#include "bacnet/basic/object/bv.h"
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/* too big to reside on stack frame for PIC */
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static BACNET_WRITE_PROPERTY_DATA wp_data;
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void handler_write_property(uint8_t *service_request,
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uint16_t service_len,
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BACNET_ADDRESS *src,
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BACNET_CONFIRMED_SERVICE_DATA *service_data)
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{
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int len = 0;
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int pdu_len = 0;
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BACNET_NPDU_DATA npdu_data;
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int bytes_sent = 0;
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BACNET_ADDRESS my_address;
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/* decode the service request only */
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len = wp_decode_service_request(service_request, service_len, &wp_data);
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/* encode the NPDU portion of the packet */
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datalink_get_my_address(&my_address);
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npdu_encode_npdu_data(&npdu_data, false, MESSAGE_PRIORITY_NORMAL);
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pdu_len = npdu_encode_pdu(
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&Handler_Transmit_Buffer[0], src, &my_address, &npdu_data);
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/* bad decoding or something we didn't understand - send an abort */
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if (len <= 0) {
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len = abort_encode_apdu(&Handler_Transmit_Buffer[pdu_len],
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service_data->invoke_id, ABORT_REASON_OTHER, true);
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} else if (service_data->segmented_message) {
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len = abort_encode_apdu(&Handler_Transmit_Buffer[pdu_len],
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service_data->invoke_id, ABORT_REASON_SEGMENTATION_NOT_SUPPORTED,
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true);
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} else {
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wp_data.error_class = ERROR_CLASS_OBJECT;
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wp_data.error_code = ERROR_CODE_UNKNOWN_OBJECT;
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switch (wp_data.object_type) {
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case OBJECT_DEVICE:
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if (Device_Write_Property(&wp_data)) {
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len = encode_simple_ack(&Handler_Transmit_Buffer[pdu_len],
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service_data->invoke_id,
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SERVICE_CONFIRMED_WRITE_PROPERTY);
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} else {
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len =
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bacerror_encode_apdu(&Handler_Transmit_Buffer[pdu_len],
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service_data->invoke_id,
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SERVICE_CONFIRMED_WRITE_PROPERTY,
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wp_data.error_class, wp_data.error_code);
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}
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break;
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case OBJECT_ANALOG_VALUE:
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if (Analog_Value_Write_Property(&wp_data)) {
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len = encode_simple_ack(&Handler_Transmit_Buffer[pdu_len],
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service_data->invoke_id,
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SERVICE_CONFIRMED_WRITE_PROPERTY);
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} else {
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len =
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bacerror_encode_apdu(&Handler_Transmit_Buffer[pdu_len],
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service_data->invoke_id,
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SERVICE_CONFIRMED_WRITE_PROPERTY,
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wp_data.error_class, wp_data.error_code);
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}
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break;
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case OBJECT_BINARY_VALUE:
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if (Binary_Value_Write_Property(&wp_data)) {
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len = encode_simple_ack(&Handler_Transmit_Buffer[pdu_len],
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service_data->invoke_id,
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SERVICE_CONFIRMED_WRITE_PROPERTY);
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} else {
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len =
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bacerror_encode_apdu(&Handler_Transmit_Buffer[pdu_len],
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service_data->invoke_id,
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SERVICE_CONFIRMED_WRITE_PROPERTY,
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wp_data.error_class, wp_data.error_code);
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}
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break;
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default:
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len = bacerror_encode_apdu(&Handler_Transmit_Buffer[pdu_len],
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service_data->invoke_id, SERVICE_CONFIRMED_WRITE_PROPERTY,
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wp_data.error_class, wp_data.error_code);
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break;
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}
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}
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pdu_len += len;
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bytes_sent = datalink_send_pdu(
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src, &npdu_data, &Handler_Transmit_Buffer[0], pdu_len);
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(void)bytes_sent;
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return;
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}
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