skarg
119 lines
4.1 KiB
C
119 lines
4.1 KiB
C
/*####COPYRIGHTBEGIN####
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-------------------------------------------
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Copyright (C) 2007 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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#ifndef BVLC_H
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#define BVLC_H
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#include <stdbool.h>
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#include <stdint.h>
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#include <stddef.h>
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#include <time.h>
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#include "bacdef.h"
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#include "npdu.h"
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#if defined(BBMD_ENABLED) && BBMD_ENABLED
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void bvlc_maintenance_timer(
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time_t seconds);
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#else
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#define bvlc_maintenance_timer(x)
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#endif
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uint16_t bvlc_receive(
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BACNET_ADDRESS * src, /* returns the source address */
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uint8_t * npdu, /* returns the NPDU */
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uint16_t max_npdu, /* amount of space available in the NPDU */
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unsigned timeout); /* number of milliseconds to wait for a packet */
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int bvlc_send_pdu(
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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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#if defined(BBMD_CLIENT_ENABLED) && BBMD_CLIENT_ENABLED
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int bvlc_encode_write_bdt_init(
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uint8_t * pdu,
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unsigned entries);
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int bvlc_encode_read_bdt(
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uint8_t * pdu);
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int bvlc_encode_read_fdt(
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uint8_t * pdu);
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int bvlc_encode_delete_fdt_entry(
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uint8_t * pdu,
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uint32_t address, /* in network byte order */
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uint16_t port); /* in network byte order */
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int bvlc_encode_original_unicast_npdu(
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uint8_t * pdu,
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uint8_t * npdu,
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unsigned npdu_length);
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int bvlc_encode_original_broadcast_npdu(
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uint8_t * pdu,
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uint8_t * npdu,
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unsigned npdu_length);
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#endif
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/* registers with a bbmd as a foreign device */
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int bvlc_register_with_bbmd(
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uint32_t bbmd_address, /* in network byte order */
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uint16_t bbmd_port, /* in network byte order */
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uint16_t time_to_live_seconds);
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struct sockaddr_in; /* Defined elsewhere, needed here. */
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/* Note any BVLC_RESULT code, or NAK the BVLL message in the unsupported cases. */
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int bvlc_for_non_bbmd(
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struct sockaddr_in * sout,
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uint8_t * npdu,
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uint16_t received_bytes);
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/* Returns the last BVLL Result we received, either as the result of a BBMD
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* request we sent, or (if not a BBMD or Client), from trying to register
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* as a foreign device. */
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BACNET_BVLC_RESULT bvlc_get_last_result(void);
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/* Returns the current BVLL Function Code we are processing.
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* We have to store this higher layer code for when the lower layers
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* need to know what it is, especially to differentiate between
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* BVLC_ORIGINAL_UNICAST_NPDU and BVLC_ORIGINAL_BROADCAST_NPDU. */
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BACNET_BVLC_FUNCTION bvlc_get_function_code(void);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* */
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