skarg
77 lines
2.8 KiB
C
77 lines
2.8 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 <errno.h>
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#include "config.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 "address.h"
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#include "tsm.h"
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#include "npdu.h"
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#include "apdu.h"
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#include "device.h"
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#include "datalink.h"
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#include "dcc.h"
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#include "ihave.h"
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/* some demo stuff needed */
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#include "handlers.h"
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#include "txbuf.h"
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/* find a specific device, or use -1 for limit if you want unlimited */
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void Send_I_Have(uint32_t device_id,
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BACNET_OBJECT_TYPE object_type,
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uint32_t object_instance, char *object_name)
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{
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int pdu_len = 0;
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BACNET_ADDRESS dest;
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int bytes_sent = 0;
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BACNET_I_HAVE_DATA data;
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BACNET_NPDU_DATA npdu_data;
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/* if we are forbidden to send, don't send! */
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if (!dcc_communication_enabled())
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return;
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/* Who-Has is a global broadcast */
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datalink_get_broadcast_address(&dest);
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/* encode the APDU portion of the packet */
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data.device_id.type = OBJECT_DEVICE;
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data.device_id.instance = device_id;
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data.object_id.type = object_type;
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data.object_id.instance = object_instance;
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characterstring_init_ansi(&data.object_name, object_name);
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pdu_len = ihave_encode_apdu(&Handler_Transmit_Buffer[0], &data);
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/* send the data */
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npdu_encode_unconfirmed_apdu(&npdu_data, MESSAGE_PRIORITY_NORMAL);
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bytes_sent = datalink_send_pdu(&dest, &npdu_data, &Handler_Transmit_Buffer[0], pdu_len); /* number of bytes of data */
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#if PRINT_ENABLED
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if (bytes_sent <= 0)
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fprintf(stderr, "Failed to Send I-Have Reply (%s)!\n",
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strerror(errno));
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#endif
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}
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