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adding BACnet/IP to the Linux port

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This commit is contained in:
skarg
2005-05-04 17:53:05 +00:00
parent 6641d0a440
commit be646af144
6 changed files with 181 additions and 139 deletions
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bacnet-stack/ports/linux/bip.c
+20 -23
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@@ -34,17 +34,17 @@
#include <stdint.h> // for standard integer types uint8_t etc.
#include <stdbool.h> // for the standard bool type.
#include <socket.h>
#include "bacdcode.h"
#include "bip.h"
#include "bip.h"
#include "net.h"
static int BIP_Receive_Socket = -1;
/* port to use - stored in network byte order */
static uint16_t BIP_Port = 0;
/* IP Address - stored in network byte order */
static struct in_addr BIP_Address = {{{-1}}};
static struct in_addr BIP_Address;
/* Broadcast Address */
static struct in_addr BIP_Broadcast_Address = {{{-1}}};
static struct in_addr BIP_Broadcast_Address;
bool bip_valid(void)
{
@@ -54,7 +54,7 @@ bool bip_valid(void)
void bip_cleanup(void)
{
if (bip_valid())
closesocket(BIP_Receive_Socket);
close(BIP_Receive_Socket);
BIP_Receive_Socket = -1;
return;
@@ -76,7 +76,11 @@ static void set_network_address(struct in_addr *net_address,
net_address->s_addr = htonl(long_data.value);
}
void bip_set_address(uint8_t octet1, uint8_t octet2, uint8_t octet3, uint8_t octet4)
void bip_set_address(
uint8_t octet1,
uint8_t octet2,
uint8_t octet3,
uint8_t octet4)
{
set_network_address(&BIP_Address, octet1, octet2, octet3, octet4);
}
@@ -89,8 +93,8 @@ void bip_set_port(uint16_t port)
bool bip_init(void)
{
int rv = 0; // return from socket lib calls
struct sockaddr_in sin = {-1};
struct sockaddr_in sin;
/* network global broadcast address */
set_network_address(&BIP_Broadcast_Address,255,255,255,255);
/* configure standard BACnet/IP port */
@@ -110,7 +114,7 @@ bool bip_init(void)
(const struct sockaddr*)&sin, sizeof(struct sockaddr));
if (rv < 0)
{
closesocket(BIP_Receive_Socket);
close(BIP_Receive_Socket);
BIP_Receive_Socket = -1;
return false;
}
@@ -119,18 +123,16 @@ bool bip_init(void)
}
/* function to send a packet out the 802.2 socket */
/* returns 0 on success, non-zero on failure */
/* returns number of bytes sent on success, negative on failure */
static int bip_send(
struct sockaddr_in *bip_dest,
uint8_t *pdu, // any data to be sent - may be null
unsigned pdu_len) // number of bytes of data
{
int status = -1; /* initially fail status */
int bytes = 0;
int bip_send_socket = -1;
uint8_t mtu[MAX_MPDU] = { 0 };
int mtu_len = 0;
int i = 0;
int rv = 0; /* return value from socket calls */
// assumes that the driver has already been initialized
@@ -138,15 +140,15 @@ static int bip_send(
// FIXME: can we use the same socket as receive bip?
bip_send_socket = socket(AF_INET, SOCK_DGRAM, 0);
if (bip_send_socket < 0)
return status;
return bip_send_socket;
/* UDP is connection based */
rv = connect(bip_send_socket,
status = connect(bip_send_socket,
(const struct sockaddr*)bip_dest,
sizeof(struct sockaddr));
if (bip_send_socket < 0)
if (status < 0)
{
closesocket(bip_send_socket);
close(bip_send_socket);
return status;
}
@@ -161,13 +163,11 @@ static int bip_send(
mtu_len += pdu_len;
/* Send the packet */
rv = sendto(bip_send_socket, (char *)mtu, mtu_len, 0,
status = sendto(bip_send_socket, (char *)mtu, mtu_len, 0,
(struct sockaddr *)bip_dest,
sizeof(struct sockaddr));
if (rv >= 0)
status = 0;
closesocket(bip_send_socket);
close(bip_send_socket);
return status;
}
@@ -179,10 +179,7 @@ int bip_send_pdu(
uint8_t *pdu, // any data to be sent - may be null
unsigned pdu_len) // number of bytes of data
{
int i = 0; // counter
struct sockaddr_in bip_dest;
uint32_t network_address = 0;
uint16_t network_port = 0;
/* load destination IP address */
bip_dest.sin_family = AF_INET;