dali/bacnet_stack
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Indented.

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files
bacnet-stack/ports/linux/ethernet.c
+47 -34
View File
@@ -32,8 +32,8 @@
-------------------------------------------
####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 "net.h"
#include "bacdef.h"
@@ -52,12 +52,14 @@ uint8_t Ethernet_MAC_Address[MAX_MAC_LEN] = { 0 };
static int eth802_sockfd = -1; /* 802.2 file handle */
static struct sockaddr eth_addr = { 0 }; /* used for binding 802.2 */
bool ethernet_valid(void)
bool ethernet_valid(
void)
{
return (eth802_sockfd >= 0);
}
void ethernet_cleanup(void)
void ethernet_cleanup(
void)
{
if (ethernet_valid())
close(eth802_sockfd);
@@ -75,7 +77,8 @@ void ethernet_cleanup(void)
to EAGAIN (or EWOULDBLOCK).
Thanks to Bjorn Reese for this code.
----------------------------------------------------------------------*/
int setNonblocking(int fd)
int setNonblocking(
int fd)
{
int flags;
@@ -85,9 +88,11 @@ int setNonblocking(int fd)
}
/* opens an 802.2 socket to receive and send packets */
static int ethernet_bind(struct sockaddr *eth_addr, char *interface_name)
static int ethernet_bind(
struct sockaddr *eth_addr,
char *interface_name)
{
int sock_fd = -1; /* return value */
int sock_fd = -1; /* return value */
int uid = 0;
fprintf(stderr, "ethernet: opening \"%s\"\n", interface_name);
@@ -122,15 +127,13 @@ static int ethernet_bind(struct sockaddr *eth_addr, char *interface_name)
/* Clear the memory before copying */
memset(eth_addr->sa_data, '\0', sizeof(eth_addr->sa_data));
/* Strcpy the interface name into the address */
strncpy(eth_addr->sa_data, interface_name,
sizeof(eth_addr->sa_data) - 1);
strncpy(eth_addr->sa_data, interface_name, sizeof(eth_addr->sa_data) - 1);
fprintf(stderr, "ethernet: binding \"%s\"\n", eth_addr->sa_data);
/* Attempt to bind the socket to the interface */
if (bind(sock_fd, eth_addr, sizeof(struct sockaddr)) != 0) {
/* Bind problem, close socket and return */
fprintf(stderr,
"ethernet: Unable to bind 802.2 socket : %s\n",
strerror(errno));
"ethernet: Unable to bind 802.2 socket : %s\n", strerror(errno));
fprintf(stderr,
"You might need to add the following to modules.conf\n"
"(or in /etc/modutils/alias on Debian with update-modules):\n"
@@ -148,11 +151,13 @@ static int ethernet_bind(struct sockaddr *eth_addr, char *interface_name)
}
/* function to find the local ethernet MAC address */
static int get_local_hwaddr(const char *ifname, unsigned char *mac)
static int get_local_hwaddr(
const char *ifname,
unsigned char *mac)
{
struct ifreq ifr;
int fd;
int rv; /* return value - error value from df or ioctl call */
int rv; /* return value - error value from df or ioctl call */
/* determine the local MAC address */
strcpy(ifr.ifr_name, ifname);
@@ -161,14 +166,15 @@ static int get_local_hwaddr(const char *ifname, unsigned char *mac)
rv = fd;
else {
rv = ioctl(fd, SIOCGIFHWADDR, &ifr);
if (rv >= 0) /* worked okay */
if (rv >= 0) /* worked okay */
memcpy(mac, ifr.ifr_hwaddr.sa_data, IFHWADDRLEN);
}
return rv;
}
bool ethernet_init(char *interface_name)
bool ethernet_init(
char *interface_name)
{
if (interface_name) {
get_local_hwaddr(interface_name, Ethernet_MAC_Address);
@@ -183,12 +189,13 @@ bool ethernet_init(char *interface_name)
/* function to send a packet out the 802.2 socket */
/* returns number of bytes sent on success, negative on failure */
int ethernet_send_pdu(BACNET_ADDRESS * dest, /* destination address */
int ethernet_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 */
int i = 0; /* counter */
{ /* number of bytes of data */
int i = 0; /* counter */
int bytes = 0;
BACNET_ADDRESS src = { 0 }; /* source address for npdu */
uint8_t mtu[MAX_MPDU] = { 0 }; /* our buffer */
@@ -226,9 +233,9 @@ int ethernet_send_pdu(BACNET_ADDRESS * dest, /* destination address */
return -3;
}
/* Logical PDU portion */
mtu[14] = 0x82; /* DSAP for BACnet */
mtu[15] = 0x82; /* SSAP for BACnet */
mtu[16] = 0x03; /* Control byte in header */
mtu[14] = 0x82; /* DSAP for BACnet */
mtu[15] = 0x82; /* SSAP for BACnet */
mtu[16] = 0x03; /* Control byte in header */
mtu_len = 17;
if ((mtu_len + pdu_len) > MAX_MPDU) {
fprintf(stderr, "ethernet: PDU is too big to send!\n");
@@ -253,11 +260,12 @@ int ethernet_send_pdu(BACNET_ADDRESS * dest, /* destination address */
/* receives an 802.2 framed packet */
/* returns the number of octets in the PDU, or zero on failure */
uint16_t ethernet_receive(BACNET_ADDRESS * src, /* source address */
uint8_t * pdu, /* PDU data */
uint16_t max_pdu, /* amount of space available in the PDU */
uint16_t ethernet_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;
uint8_t buf[MAX_MPDU] = { 0 }; /* data */
uint16_t pdu_len = 0; /* return value */
@@ -334,7 +342,8 @@ uint16_t ethernet_receive(BACNET_ADDRESS * src, /* source address */
return pdu_len;
}
void ethernet_set_my_address(BACNET_ADDRESS * my_address)
void ethernet_set_my_address(
BACNET_ADDRESS * my_address)
{
int i = 0;
@@ -345,7 +354,8 @@ void ethernet_set_my_address(BACNET_ADDRESS * my_address)
return;
}
void ethernet_get_my_address(BACNET_ADDRESS * my_address)
void ethernet_get_my_address(
BACNET_ADDRESS * my_address)
{
int i = 0;
@@ -363,9 +373,10 @@ void ethernet_get_my_address(BACNET_ADDRESS * my_address)
return;
}
void ethernet_get_broadcast_address(BACNET_ADDRESS * dest)
{ /* destination address */
int i = 0; /* counter */
void ethernet_get_broadcast_address(
BACNET_ADDRESS * dest)
{ /* destination address */
int i = 0; /* counter */
if (dest) {
for (i = 0; i < 6; i++) {
@@ -373,7 +384,7 @@ void ethernet_get_broadcast_address(BACNET_ADDRESS * dest)
}
dest->mac_len = 6;
dest->net = BACNET_BROADCAST_NETWORK;
dest->len = 0; /* always zero when DNET is broadcast */
dest->len = 0; /* always zero when DNET is broadcast */
for (i = 0; i < MAX_MAC_LEN; i++) {
dest->adr[i] = 0;
}
@@ -382,9 +393,11 @@ void ethernet_get_broadcast_address(BACNET_ADDRESS * dest)
return;
}
void ethernet_debug_address(const char *info, BACNET_ADDRESS * dest)
void ethernet_debug_address(
const char *info,
BACNET_ADDRESS * dest)
{
int i = 0; /* counter */
int i = 0; /* counter */
if (info)
fprintf(stderr, "%s", info);