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changed c++ comments to c comments using comment.sh script.

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This commit is contained in:
skarg
2006-02-19 01:33:30 +00:00
parent dee63d45bc
commit b686fa7ca7
34 changed files with 975 additions and 1030 deletions
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bacnet-stack/ports/linux/arcnet.c
+47 -47
View File
@@ -37,13 +37,13 @@
#include "arcnet.h"
#include "net.h"
// my local device data - MAC address
/* my local device data - MAC address */
uint8_t ARCNET_MAC_Address = 0;
// ARCNET file handle
/* ARCNET file handle */
static int ARCNET_Sock_FD = -1;
// ARCNET socket address (has the interface name)
/* ARCNET socket address (has the interface name) */
static struct sockaddr ARCNET_Socket_Address;
// Broadcast address
/* Broadcast address */
#define ARCNET_BROADCAST 0
/*
@@ -95,9 +95,9 @@ void arcnet_cleanup(void)
static int arcnet_bind(char *interface_name)
{
int sock_fd = -1; // return value
int sock_fd = -1; /* return value */
struct ifreq ifr;
int rv; // return value - error value from df or ioctl call
int rv; /* return value - error value from df or ioctl call */
int uid = 0;
/* check to see if we are being run as root */
@@ -109,10 +109,10 @@ static int arcnet_bind(char *interface_name)
return sock_fd;
}
fprintf(stderr, "arcnet: opening \"%s\"\n", interface_name);
// note: on some systems you may have to add or enable in
// modules.conf (or in modutils/alias on Debian with update-modules)
// alias net-pf-17 af_packet
// Then follow it by: # modprobe af_packet
/* note: on some systems you may have to add or enable in */
/* modules.conf (or in modutils/alias on Debian with update-modules) */
/* alias net-pf-17 af_packet */
/* Then follow it by: # modprobe af_packet */
if ((sock_fd = socket(PF_PACKET, SOCK_PACKET, htons(ETH_P_ALL))) < 0) {
/* Error occured */
fprintf(stderr,
@@ -129,7 +129,7 @@ static int arcnet_bind(char *interface_name)
if (ARCNET_Sock_FD >= 0) {
/* Bind the socket to an interface name so we only get packets from it */
ARCNET_Socket_Address.sa_family = ARPHRD_ARCNET;
//ARCNET_Socket_Address.sa_family = PF_INET;
/*ARCNET_Socket_Address.sa_family = PF_INET; */
/* Clear the memory before copying */
memset(ARCNET_Socket_Address.sa_data, '\0',
sizeof(ARCNET_Socket_Address.sa_data));
@@ -158,9 +158,9 @@ static int arcnet_bind(char *interface_name)
rv = ioctl(sock_fd, SIOCGIFHWADDR, &ifr);
if (rv != -1) /* worked okay */
ARCNET_MAC_Address = ifr.ifr_hwaddr.sa_data[0];
// copy this info into the local copy since bind wiped it out
/* copy this info into the local copy since bind wiped it out */
ARCNET_Socket_Address.sa_family = ARPHRD_ARCNET;
//ARCNET_Socket_Address.sa_family = PF_INET;
/*ARCNET_Socket_Address.sa_family = PF_INET; */
/* Clear the memory before copying */
memset(ARCNET_Socket_Address.sa_data, '\0',
sizeof(ARCNET_Socket_Address.sa_data));
@@ -184,17 +184,17 @@ bool arcnet_init(char *interface_name)
/* function to send a packet out the socket */
/* returns number of bytes sent on success, negative on failure */
int arcnet_send(BACNET_ADDRESS * dest, // destination address
BACNET_ADDRESS * src, // source address
uint8_t * pdu, // any data to be sent - may be null
unsigned pdu_len) // number of bytes of data
{
int arcnet_send(BACNET_ADDRESS * dest, /* destination address */
BACNET_ADDRESS * src, /* source address */
uint8_t * pdu, /* any data to be sent - may be null */
unsigned pdu_len)
{ /* number of bytes of data */
int bytes = 0;
uint8_t mtu[512] = { 0 };
int mtu_len = 0;
struct archdr *pkt = (struct archdr *) mtu;
// don't waste time if the socket is not valid
/* don't waste time if the socket is not valid */
if (ARCNET_Sock_FD < 0) {
fprintf(stderr, "arcnet: socket is invalid!\n");
return -1;
@@ -239,30 +239,30 @@ int arcnet_send(BACNET_ADDRESS * dest, // destination address
/* function to send a PDU out the socket */
/* returns number of bytes sent on success, negative on failure */
int arcnet_send_pdu(BACNET_ADDRESS * dest, // destination address
uint8_t * pdu, // any data to be sent - may be null
unsigned pdu_len) // number of bytes of data
{
BACNET_ADDRESS src = { 0 }; // source address
int arcnet_send_pdu(BACNET_ADDRESS * dest, /* destination address */
uint8_t * pdu, /* any data to be sent - may be null */
unsigned pdu_len)
{ /* number of bytes of data */
BACNET_ADDRESS src = { 0 }; /* source address */
src.mac[0] = ARCNET_MAC_Address;
src.mac_len = 1;
return arcnet_send(dest, // destination address
&src, // source address
pdu, // any data to be sent - may be null
pdu_len); // number of bytes of data
return arcnet_send(dest, /* destination address */
&src, /* source address */
pdu, /* any data to be sent - may be null */
pdu_len); /* number of bytes of data */
}
// receives an framed packet
// returns the number of octets in the PDU, or zero on failure
uint16_t arcnet_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
{
/* receives an framed packet */
/* returns the number of octets in the PDU, or zero on failure */
uint16_t arcnet_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 */
int received_bytes;
uint8_t buf[512] = { 0 }; // data
uint16_t pdu_len = 0; // return value
uint8_t buf[512] = { 0 }; /* data */
uint16_t pdu_len = 0; /* return value */
fd_set read_fds;
int max;
struct timeval select_timeout;
@@ -294,9 +294,9 @@ uint16_t arcnet_receive(BACNET_ADDRESS * src, // source address
/* See if there is a problem */
if (received_bytes < 0) {
// EAGAIN Non-blocking I/O has been selected
// using O_NONBLOCK and no data
// was immediately available for reading.
/* EAGAIN Non-blocking I/O has been selected */
/* using O_NONBLOCK and no data */
/* was immediately available for reading. */
if (errno != EAGAIN)
fprintf(stderr,
"ethernet: Read error in receiving packet: %s\n",
@@ -344,10 +344,10 @@ uint16_t arcnet_receive(BACNET_ADDRESS * src, // source address
/* compute the PDU length */
pdu_len = received_bytes - ARC_HDR_SIZE;
pdu_len -= 4 /* SC, DSAP, SSAP, LLC Control */ ;
// copy the buffer into the PDU
/* copy the buffer into the PDU */
if (pdu_len < max_pdu)
memmove(&pdu[0], &pkt->soft.raw[4], pdu_len);
// silently ignore packets that are too large
/* silently ignore packets that are too large */
else
pdu_len = 0;
@@ -360,7 +360,7 @@ void arcnet_get_my_address(BACNET_ADDRESS * my_address)
my_address->mac_len = 1;
my_address->mac[0] = ARCNET_MAC_Address;
my_address->net = 0; // local only, no routing
my_address->net = 0; /* local only, no routing */
my_address->len = 0;
for (i = 0; i < MAX_MAC_LEN; i++) {
my_address->adr[i] = 0;
@@ -369,15 +369,15 @@ void arcnet_get_my_address(BACNET_ADDRESS * my_address)
return;
}
void arcnet_get_broadcast_address(BACNET_ADDRESS * dest) // destination address
{
int i = 0; // counter
void arcnet_get_broadcast_address(BACNET_ADDRESS * dest)
{ /* destination address */
int i = 0; /* counter */
if (dest) {
dest->mac[0] = ARCNET_BROADCAST;
dest->mac_len = 1;
dest->net = BACNET_BROADCAST_NETWORK;
dest->len = 0; // len=0 denotes broadcast address
dest->len = 0; /* len=0 denotes broadcast address */
for (i = 0; i < MAX_MAC_LEN; i++) {
dest->adr[i] = 0;
}