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bacnet_stack/bacnet-stack/include/bip.h
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C

/*####COPYRIGHTBEGIN####
-------------------------------------------
Copyright (C) 2005 Steve Karg
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to:
The Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA.
As a special exception, if other files instantiate templates or
use macros or inline functions from this file, or you compile
this file and link it with other works to produce a work based
on this file, this file does not by itself cause the resulting
work to be covered by the GNU General Public License. However
the source code for this file must still be made available in
accordance with section (3) of the GNU General Public License.
This exception does not invalidate any other reasons why a work
based on this file might be covered by the GNU General Public
License.
-------------------------------------------
####COPYRIGHTEND####*/
#ifndef BIP_H
#define BIP_H
#include <stdbool.h>
#include <stdint.h>
#include <stddef.h>
#include "bacdef.h"
#include "npdu.h"
#include "net.h"
/* specific defines for BACnet/IP over Ethernet */
#define MAX_HEADER (1 + 1 + 2)
#define MAX_MPDU (MAX_HEADER+MAX_PDU)
#define BVLL_TYPE_BACNET_IP (0x81)
extern bool BIP_Debug;
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/* note: define init and cleanup in your ports section */
/* on Linux, ifname is eth0, ath0, arc0, and others.
on Windows, ifname is the dotted ip address of the interface */
bool bip_init(
char *ifname);
/* normal functions... */
void bip_cleanup(
void);
void bip_set_socket(
int sock_fd);
int bip_socket(
void);
bool bip_valid(
void);
void bip_get_broadcast_address(
BACNET_ADDRESS * dest); /* destination address */
void bip_get_my_address(
BACNET_ADDRESS * my_address);
/* function to send a packet out the BACnet/IP socket */
/* returns zero on success, non-zero on failure */
int bip_send_pdu(
BACNET_ADDRESS * dest, /* destination address */
BACNET_NPDU_DATA * npdu_data, /* network information */
uint8_t * pdu, /* any data to be sent - may be null */
unsigned pdu_len); /* number of bytes of data */
/* receives a BACnet/IP packet */
/* returns the number of octets in the PDU, or zero on failure */
uint16_t bip_receive(
BACNET_ADDRESS * src, /* source address */
uint8_t * pdu, /* PDU data */
uint16_t max_pdu, /* amount of space available in the PDU */
unsigned timeout); /* milliseconds to wait for a packet */
/* use host byte order for setting */
void bip_set_port(
uint16_t port);
/* returns host byte order */
uint16_t bip_get_port(
void);
/* use network byte order for setting */
void bip_set_addr(
uint32_t net_address);
/* returns host byte order */
uint32_t bip_get_addr(
void);
/* use network byte order for setting */
void bip_set_broadcast_addr(
uint32_t net_address);
/* returns host byte order */
uint32_t bip_get_broadcast_addr(
void);
/* gets an IP address by name, where name can be a
string that is an IP address in dotted form, or
a name that is a domain name
returns 0 if not found, or
an IP address in network byte order */
long bip_getaddrbyname(const char *host_name);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif