skarg
86 lines
3.3 KiB
C
86 lines
3.3 KiB
C
/**************************************************************************
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*
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* Copyright (C) 2006 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 "config.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 "whohas.h"
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#include "device.h"
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#include "client.h"
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void handler_who_has(uint8_t * service_request,
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uint16_t service_len, BACNET_ADDRESS * src)
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{
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int len = 0;
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BACNET_WHO_HAS_DATA data;
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bool directed_to_me = false;
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int object_type = 0;
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uint32_t object_instance = 0;
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char *object_name = NULL;
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bool found = false;
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(void) src;
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len = whohas_decode_service_request(service_request,
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service_len, &data);
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if (len > 0) {
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if ((data.low_limit == -1) || (data.high_limit == -1))
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directed_to_me = true;
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else if ((Device_Object_Instance_Number() >=
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(uint32_t) data.low_limit)
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&& (Device_Object_Instance_Number() <=
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(uint32_t) data.high_limit))
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directed_to_me = true;
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if (directed_to_me) {
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/* do we have such an object? If so, send an I-Have.
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note: we should have only 1 of such an object */
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if (data.object_name) {
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/* valid name in my device? */
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object_name = characterstring_value(&data.object.name);
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found = Device_Valid_Object_Name(object_name,
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&object_type, &object_instance);
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if (found)
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Send_I_Have(Device_Object_Instance_Number(),
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object_type, object_instance, object_name);
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} else {
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/* valid object in my device? */
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object_name =
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Device_Valid_Object_Id(data.object.identifier.type,
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data.object.identifier.instance);
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if (object_name)
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Send_I_Have(Device_Object_Instance_Number(),
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data.object.identifier.type,
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data.object.identifier.instance, object_name);
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}
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}
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}
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return;
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}
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