mirror of
https://github.com/stargieg/bacnet-stack
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92 lines
3.2 KiB
C
92 lines
3.2 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 "txbuf.h"
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#include "bacdef.h"
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#include "bacdcode.h"
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#include "apdu.h"
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#include "npdu.h"
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#include "reject.h"
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#include "handlers.h"
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#include "device.h"
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/** @file noserv.c Handles an unrecognized/unsupported service. */
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/** Handler to be invoked when a Service request is received for which no
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* handler has been defined.
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* @ingroup MISCHNDLR
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* This handler builds a Reject response packet, and sends it.
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*
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* @param service_request [in] The contents of the service request (unused).
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* @param service_len [in] The length of the service_request (unused).
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* @param src [in] BACNET_ADDRESS of the source of the message
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* @param service_data [in] The BACNET_CONFIRMED_SERVICE_DATA information
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* decoded from the APDU header of this message.
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*/
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void handler_unrecognized_service(
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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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int bytes_sent = 0;
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BACNET_NPDU_DATA npdu_data;
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BACNET_ADDRESS my_address;
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(void) service_request;
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(void) service_len;
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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 =
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npdu_encode_pdu(&Handler_Transmit_Buffer[0], src, &my_address,
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&npdu_data);
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/* encode the APDU portion of the packet */
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len =
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reject_encode_apdu(&Handler_Transmit_Buffer[pdu_len],
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service_data->invoke_id, REJECT_REASON_UNRECOGNIZED_SERVICE);
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pdu_len += len;
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/* send the data */
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bytes_sent =
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datalink_send_pdu(src, &npdu_data, &Handler_Transmit_Buffer[0],
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pdu_len);
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if (bytes_sent > 0) {
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#if PRINT_ENABLED
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fprintf(stderr, "Sent Reject!\n");
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#endif
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} else {
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#if PRINT_ENABLED
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fprintf(stderr, "Failed to Send Reject (%s)!\n", strerror(errno));
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#endif
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}
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}
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