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This commit is contained in:
skarg
2008-08-23 12:38:26 +00:00
parent 36c5c765b4
commit 0ffbb64c13
26 changed files with 1139 additions and 1155 deletions
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bacnet-stack/ports/linux/mstpsnap.c
+14 -13
View File
@@ -117,12 +117,13 @@ uint16_t MSTP_Get_Reply(
return 0;
}
static int network_init(const char *name, int protocol)
static int network_init(
const char *name,
int protocol)
{
/* check to see if we are being run as root */
if (getuid() != 0) {
fprintf(stderr,
"Requires root priveleges.\n");
fprintf(stderr, "Requires root priveleges.\n");
return -1;
}
@@ -162,9 +163,9 @@ static void snap_received_packet(
volatile struct mstp_port_struct_t *mstp_port,
int sockfd)
{
uint16_t mtu_len = 0; /* number of octets of packet saved in file */
unsigned i = 0; /* counter */
static uint8_t mtu[1500] = {0};
uint16_t mtu_len = 0; /* number of octets of packet saved in file */
unsigned i = 0; /* counter */
static uint8_t mtu[1500] = { 0 };
mtu[0] = 0;
mtu[1] = 0;
@@ -177,7 +178,7 @@ static void snap_received_packet(
mtu[8] = 0;
mtu[9] = 0;
mtu[10] = 0;
mtu[11]= mstp_port->SourceAddress;
mtu[11] = mstp_port->SourceAddress;
/* length - 12, 13 */
mtu[14] = 0xaa; /* DSAP for SNAP */
mtu[15] = 0xaa; /* SSAP for SNAP */
@@ -199,15 +200,15 @@ static void snap_received_packet(
mtu_len = 31;
if (mstp_port->DataLength) {
for (i = 0; i < mstp_port->DataLength; i++) {
mtu[31+i] = mstp_port->InputBuffer[i];
mtu[31 + i] = mstp_port->InputBuffer[i];
}
mtu[31+mstp_port->DataLength] = mstp_port->DataCRCActualMSB;
mtu[31+mstp_port->DataLength+1] = mstp_port->DataCRCActualLSB;
mtu_len += (mstp_port->DataLength+2);
mtu[31 + mstp_port->DataLength] = mstp_port->DataCRCActualMSB;
mtu[31 + mstp_port->DataLength + 1] = mstp_port->DataCRCActualLSB;
mtu_len += (mstp_port->DataLength + 2);
}
/* Ethernet length is data only - not address or length bytes */
encode_unsigned16(&mtu[12], mtu_len-14);
write(sockfd,&mtu[0], mtu_len);
encode_unsigned16(&mtu[12], mtu_len - 14);
write(sockfd, &mtu[0], mtu_len);
}