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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/ethernet.c
+54 -54
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@@ -32,25 +32,25 @@
-------------------------------------------
####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"
#include "ethernet.h"
#include "bacdcode.h"
// commonly used comparison address for ethernet
/* commonly used comparison address for ethernet */
uint8_t Ethernet_Broadcast[MAX_MAC_LEN] =
{ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
// commonly used empty address for ethernet quick compare
/* commonly used empty address for ethernet quick compare */
uint8_t Ethernet_Empty_MAC[MAX_MAC_LEN] = { 0, 0, 0, 0, 0, 0 };
// my local device data - MAC address
/* my local device data - MAC address */
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
static struct sockaddr eth_addr = { 0 }; /* used for binding 802.2 */
bool ethernet_valid(void)
{
@@ -87,7 +87,7 @@ 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)
{
int sock_fd = -1; // return value
int sock_fd = -1; /* return value */
int uid = 0;
fprintf(stderr, "ethernet: opening \"%s\"\n", interface_name);
@@ -99,10 +99,10 @@ static int ethernet_bind(struct sockaddr *eth_addr, char *interface_name)
"Try running with root priveleges.\n");
return sock_fd;
}
// 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 */
/* Attempt to open the socket for 802.2 ethernet frames */
if ((sock_fd = socket(PF_INET, SOCK_PACKET, htons(ETH_P_802_2))) < 0) {
@@ -152,7 +152,7 @@ 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);
@@ -178,17 +178,17 @@ bool ethernet_init(char *interface_name)
/* function to send a packet out the 802.2 socket */
/* returns bytes sent success, negative on failure */
int ethernet_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 ethernet_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[MAX_MPDU] = { 0 };
int mtu_len = 0;
int i = 0;
// don't waste time if the socket is not valid
/* don't waste time if the socket is not valid */
if (eth802_sockfd < 0) {
fprintf(stderr, "ethernet: 802.2 socket is invalid!\n");
return -1;
@@ -221,7 +221,7 @@ int ethernet_send(BACNET_ADDRESS * dest, // destination address
/* packet length */
mtu_len += encode_unsigned16(&mtu[12],
3 /*DSAP,SSAP,LLC */ + pdu_len);
// Logical PDU portion
/* Logical PDU portion */
mtu[mtu_len++] = 0x82; /* DSAP for BACnet */
mtu[mtu_len++] = 0x82; /* SSAP for BACnet */
mtu[mtu_len++] = 0x03; /* Control byte in header */
@@ -242,12 +242,12 @@ int ethernet_send(BACNET_ADDRESS * dest, // destination address
/* 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
uint8_t * pdu, // any data to be sent - may be null
unsigned pdu_len) // number of bytes of data
{
int i = 0; // counter
BACNET_ADDRESS src = { 0 }; // source address
int ethernet_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 */
int i = 0; /* counter */
BACNET_ADDRESS src = { 0 }; /* source address */
for (i = 0; i < 6; i++) {
src.mac[i] = Ethernet_MAC_Address[i];
@@ -255,22 +255,22 @@ int ethernet_send_pdu(BACNET_ADDRESS * dest, // destination address
}
/* function to send a packet out the 802.2 socket */
/* returns 1 on success, 0 on failure */
return ethernet_send(dest, // destination address
&src, // source address
pdu, // any data to be sent - may be null
pdu_len); // number of bytes of data
return ethernet_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 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
unsigned timeout) // number of milliseconds to wait for a packet
{
/* 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 */
unsigned timeout)
{ /* 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
uint8_t buf[MAX_MPDU] = { 0 }; /* data */
uint16_t pdu_len = 0; /* return value */
fd_set read_fds;
int max;
struct timeval select_timeout;
@@ -301,9 +301,9 @@ uint16_t ethernet_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",
@@ -316,27 +316,27 @@ uint16_t ethernet_receive(BACNET_ADDRESS * src, // source address
/* the signature of an 802.2 BACnet packet */
if ((buf[14] != 0x82) && (buf[15] != 0x82)) {
//fprintf(stderr,"ethernet: Non-BACnet packet\n");
/*fprintf(stderr,"ethernet: Non-BACnet packet\n"); */
return 0;
}
// copy the source address
/* copy the source address */
src->mac_len = 6;
memmove(src->mac, &buf[6], 6);
// check destination address for when
// the Ethernet card is in promiscious mode
/* check destination address for when */
/* the Ethernet card is in promiscious mode */
if ((memcmp(&buf[0], Ethernet_MAC_Address, 6) != 0)
&& (memcmp(&buf[0], Ethernet_Broadcast, 6) != 0)) {
//fprintf(stderr, "ethernet: This packet isn't for us\n");
/*fprintf(stderr, "ethernet: This packet isn't for us\n"); */
return 0;
}
(void) decode_unsigned16(&buf[12], &pdu_len);
pdu_len -= 3 /* DSAP, SSAP, LLC Control */ ;
// copy the buffer into the PDU
/* copy the buffer into the PDU */
if (pdu_len < max_pdu)
memmove(&pdu[0], &buf[17], pdu_len);
// ignore packets that are too large
/* ignore packets that are too large */
else
pdu_len = 0;
@@ -364,7 +364,7 @@ void ethernet_get_my_address(BACNET_ADDRESS * my_address)
my_address->mac[i] = Ethernet_MAC_Address[i];
my_address->mac_len++;
}
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;
@@ -373,9 +373,9 @@ 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++) {
@@ -383,7 +383,7 @@ void ethernet_get_broadcast_address(BACNET_ADDRESS * dest) // destination a
}
dest->mac_len = 6;
dest->net = BACNET_BROADCAST_NETWORK;
dest->len = 0; // denotes broadcast address
dest->len = 0; /* denotes broadcast address */
for (i = 0; i < MAX_MAC_LEN; i++) {
dest->adr[i] = 0;
}
@@ -394,7 +394,7 @@ void ethernet_get_broadcast_address(BACNET_ADDRESS * dest) // destination a
void ethernet_debug_address(const char *info, BACNET_ADDRESS * dest)
{
int i = 0; // counter
int i = 0; /* counter */
if (info)
fprintf(stderr, "%s", info);