dali/bacnet_stack
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This commit is contained in:
skarg
2007-11-29 15:56:53 +00:00
parent c585241c03
commit 411d6c1b24
236 changed files with 17864 additions and 15724 deletions
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bacnet-stack/src/bip.c
+43 -31
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@@ -32,12 +32,12 @@
-------------------------------------------
####COPYRIGHTEND####*/
#include <stdint.h> /* for standard integer types uint8_t etc. */
#include <stdbool.h> /* for the standard bool type. */
#include <stdint.h> /* for standard integer types uint8_t etc. */
#include <stdbool.h> /* for the standard bool type. */
#include "bacdcode.h"
#include "bacint.h"
#include "bip.h"
#include "net.h" /* custom per port */
#include "net.h" /* custom per port */
static int BIP_Socket = -1;
/* port to use - stored in host byte order */
@@ -47,22 +47,26 @@ static struct in_addr BIP_Address;
/* Broadcast Address - stored in host byte order */
static struct in_addr BIP_Broadcast_Address;
void bip_set_socket(int sock_fd)
void bip_set_socket(
int sock_fd)
{
BIP_Socket = sock_fd;
}
int bip_socket(void)
int bip_socket(
void)
{
return BIP_Socket;
}
bool bip_valid(void)
bool bip_valid(
void)
{
return (BIP_Socket != -1);
}
void bip_cleanup(void)
void bip_cleanup(
void)
{
if (bip_valid())
close(BIP_Socket);
@@ -72,48 +76,55 @@ void bip_cleanup(void)
}
/* set using network byte order */
void bip_set_addr(uint32_t net_address)
void bip_set_addr(
uint32_t net_address)
{
BIP_Address.s_addr = ntohl(net_address);
}
/* returns host byte order */
uint32_t bip_get_addr(void)
uint32_t bip_get_addr(
void)
{
return BIP_Address.s_addr;
}
/* set using network byte order */
void bip_set_broadcast_addr(uint32_t net_address)
void bip_set_broadcast_addr(
uint32_t net_address)
{
BIP_Broadcast_Address.s_addr = ntohl(net_address);
}
/* returns host byte order */
uint32_t bip_get_broadcast_addr(void)
uint32_t bip_get_broadcast_addr(
void)
{
return BIP_Broadcast_Address.s_addr;
}
/* set using host byte order */
void bip_set_port(uint16_t port)
void bip_set_port(
uint16_t port)
{
BIP_Port = port;
}
/* returns host byte order */
uint16_t bip_get_port(void)
uint16_t bip_get_port(
void)
{
return BIP_Port;
}
/* function to send a packet out the BACnet/IP socket (Annex J) */
/* returns number of bytes sent on success, negative number on failure */
int bip_send_pdu(BACNET_ADDRESS * dest, /* destination address */
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 */
uint8_t * pdu, /* any data to be sent - may be null */
unsigned pdu_len)
{ /* number of bytes of data */
{ /* number of bytes of data */
struct sockaddr_in bip_dest;
uint8_t mtu[MAX_MPDU] = { 0 };
int mtu_len = 0;
@@ -135,7 +146,7 @@ int bip_send_pdu(BACNET_ADDRESS * dest, /* destination address */
} else if (dest->mac_len == 6) {
/* valid unicast */
(void) decode_unsigned32(&dest->mac[0],
(uint32_t *)&(bip_dest.sin_addr.s_addr));
(uint32_t *) & (bip_dest.sin_addr.s_addr));
(void) decode_unsigned16(&dest->mac[4], &(bip_dest.sin_port));
memset(&(bip_dest.sin_zero), '\0', 8);
mtu[1] = BVLC_ORIGINAL_UNICAST_NPDU;
@@ -160,11 +171,12 @@ int bip_send_pdu(BACNET_ADDRESS * dest, /* destination address */
/* 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 */
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)
{ /* number of milliseconds to wait for a packet */
{ /* number of milliseconds to wait for a packet */
int received_bytes = 0;
uint16_t pdu_len = 0; /* return value */
fd_set read_fds;
@@ -195,8 +207,7 @@ uint16_t bip_receive(BACNET_ADDRESS * src, /* source address */
/* see if there is a packet for us */
if (select(max + 1, &read_fds, NULL, NULL, &select_timeout) > 0)
received_bytes = recvfrom(BIP_Socket,
(char *) &pdu[0], max_pdu, 0,
(struct sockaddr *) &sin, &sin_len);
(char *) &pdu[0], max_pdu, 0, (struct sockaddr *) &sin, &sin_len);
else
return 0;
@@ -233,7 +244,7 @@ uint16_t bip_receive(BACNET_ADDRESS * src, /* source address */
if (pdu_len < max_pdu) {
/* shift the buffer to return a valid PDU */
for (i = 0; i < pdu_len; i++) {
pdu[i] = pdu[i+4];
pdu[i] = pdu[i + 4];
}
}
/* ignore packets that are too large */
@@ -246,13 +257,13 @@ uint16_t bip_receive(BACNET_ADDRESS * src, /* source address */
return pdu_len;
}
void bip_get_my_address(BACNET_ADDRESS * my_address)
void bip_get_my_address(
BACNET_ADDRESS * my_address)
{
int i = 0;
my_address->mac_len = 6;
(void) encode_unsigned32(&my_address->mac[0],
htonl(BIP_Address.s_addr));
(void) encode_unsigned32(&my_address->mac[0], htonl(BIP_Address.s_addr));
(void) encode_unsigned16(&my_address->mac[4], htons(BIP_Port));
my_address->net = 0; /* local only, no routing */
my_address->len = 0; /* no SLEN */
@@ -264,9 +275,10 @@ void bip_get_my_address(BACNET_ADDRESS * my_address)
return;
}
void bip_get_broadcast_address(BACNET_ADDRESS * dest)
{ /* destination address */
int i = 0; /* counter */
void bip_get_broadcast_address(
BACNET_ADDRESS * dest)
{ /* destination address */
int i = 0; /* counter */
if (dest) {
dest->mac_len = 6;
@@ -274,7 +286,7 @@ void bip_get_broadcast_address(BACNET_ADDRESS * dest)
htonl(BIP_Broadcast_Address.s_addr));
(void) encode_unsigned16(&dest->mac[4], htons(BIP_Port));
dest->net = BACNET_BROADCAST_NETWORK;
dest->len = 0; /* no SLEN */
dest->len = 0; /* no SLEN */
for (i = 0; i < MAX_MAC_LEN; i++) {
/* no SADR */
dest->adr[i] = 0;