skarg
78 lines
2.5 KiB
C
78 lines
2.5 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 "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 "whois.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_WhoIs(
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int32_t low_limit,
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int32_t high_limit)
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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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// Who-Is is a global broadcast
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datalink_get_broadcast_address(&dest);
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// encode the NPDU portion of the packet
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pdu_len = npdu_encode_apdu(
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&Handler_Transmit_Buffer[0],
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&dest,
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NULL,
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false, // true for confirmed messages
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MESSAGE_PRIORITY_NORMAL);
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// encode the APDU portion of the packet
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pdu_len += whois_encode_apdu(
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&Handler_Transmit_Buffer[pdu_len],
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low_limit,
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high_limit);
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bytes_sent = datalink_send_pdu(
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&dest, // destination address
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&Handler_Transmit_Buffer[0],
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pdu_len); // number of bytes of data
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if (bytes_sent > 0)
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fprintf(stderr,"Sent Who-Is Request!\n");
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else
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fprintf(stderr,"Failed to Send Who-Is Request (%s)!\n", strerror(errno));
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}
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