119 lines
4.0 KiB
C
119 lines
4.0 KiB
C
/*####COPYRIGHTBEGIN####
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-------------------------------------------
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Copyright (C) 2004 Steve Karg
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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The Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA.
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As a special exception, if other files instantiate templates or
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use macros or inline functions from this file, or you compile
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this file and link it with other works to produce a work based
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on this file, this file does not by itself cause the resulting
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work to be covered by the GNU General Public License. However
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the source code for this file must still be made available in
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accordance with section (3) of the GNU General Public License.
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This exception does not invalidate any other reasons why a work
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based on this file might be covered by the GNU General Public
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License.
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-------------------------------------------
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####COPYRIGHTEND####*/
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#include <stddef.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include "datalink.h"
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/* currently this is oriented to a single data link */
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/* However, it could handle multiple data links with the */
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/* addition of passing a network number or datalink number */
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/* as part of the calls. */
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/* returns number of bytes sent on success, negative on failure */
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int datalink_send_pdu(BACNET_ADDRESS * dest, /* destination address */
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BACNET_NPDU_DATA * npdu_data, /* network information */
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uint8_t * pdu, /* any data to be sent - may be null */
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unsigned pdu_len)
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{ /* number of bytes of data */
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#if defined(BACDL_ARCNET)
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return arcnet_send_pdu(dest, npdu_data, pdu, pdu_len);
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#elif defined(BACDL_MSTP)
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return dlmstp_send_pdu(dest, npdu_data, pdu, pdu_len);
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#elif defined(BACDL_ETHERNET)
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return ethernet_send_pdu(dest, npdu_data, pdu, pdu_len);
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#elif defined(BACDL_BIP)
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return bip_send_pdu(dest, npdu_data, pdu, pdu_len);
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#else
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return 0;
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#endif
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}
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/* returns the number of octets in the PDU, or zero on failure */
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uint16_t datalink_receive(BACNET_ADDRESS * src, /* source address */
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uint8_t * pdu, /* PDU data */
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uint16_t max_pdu, /* amount of space available in the PDU */
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unsigned timeout)
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{ /* number of milliseconds to wait for a packet */
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#if defined(BACDL_ARCNET)
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return arcnet_receive(src, pdu, max_pdu, timeout);
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#elif defined(BACDL_MSTP)
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return dlmstp_receive(src, pdu, max_pdu, timeout);
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#elif defined(BACDL_ETHERNET)
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return ethernet_receive(src, pdu, max_pdu, timeout);
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#elif defined(BACDL_BIP)
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return bip_receive(src, pdu, max_pdu, timeout);
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#else
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return 0;
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#endif
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}
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void datalink_cleanup(void)
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{
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#if defined(BACDL_ARCNET)
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arcnet_cleanup();
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#elif defined(BACDL_MSTP)
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dlmstp_cleanup();
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#elif defined(BACDL_ETHERNET)
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ethernet_cleanup();
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#elif defined(BACDL_BIP)
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bip_cleanup();
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#endif
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}
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void datalink_get_broadcast_address(BACNET_ADDRESS * dest)
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{ /* destination address */
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#if defined(BACDL_ARCNET)
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arcnet_get_broadcast_address(dest);
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#elif defined(BACDL_MSTP)
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dlmstp_get_broadcast_address(dest);
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#elif defined(BACDL_ETHERNET)
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ethernet_get_broadcast_address(dest);
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#elif defined(BACDL_BIP)
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bip_get_broadcast_address(dest);
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#endif
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}
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void datalink_get_my_address(BACNET_ADDRESS * my_address)
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{
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#if defined(BACDL_ARCNET)
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arcnet_get_my_address(my_address);
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#elif defined(BACDL_MSTP)
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dlmstp_get_my_address(my_address);
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#elif defined(BACDL_ETHERNET)
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ethernet_get_my_address(my_address);
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#elif defined(BACDL_BIP)
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bip_get_my_address(my_address);
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#endif
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}
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