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Added ability to specify the BACnet/IP interface on multi-homed machines from the command line demo for demo/epics on a Win32 platform.

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This commit is contained in:
skarg
2007-05-22 00:19:05 +00:00
parent 8139ea6fa1
commit 78cec1d8c4
3 changed files with 81 additions and 19 deletions
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bacnet-stack/ports/win32/bip-init.c
+21 -9
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@@ -55,13 +55,13 @@ static long gethostaddr(void)
if ((host_ent = gethostbyname(host_name)) == NULL)
return -1;
#ifdef BIP_DEBUG
printf("host: %s at %03u.%03u.%03u.%03u\n", host_name,
printf("host: %s at %u.%u.%u.%u\n", host_name,
((uint8_t*)host_ent->h_addr)[0],
((uint8_t*)host_ent->h_addr)[1],
((uint8_t*)host_ent->h_addr)[2],
((uint8_t*)host_ent->h_addr)[3]);
#endif
/* note: network byte order */
return *(long *) host_ent->h_addr;
}
@@ -115,6 +115,7 @@ bool bip_init(void)
int Code;
WSADATA wd;
struct in_addr address;
struct in_addr broadcast_address;
Result = WSAStartup((1 << 8) | 1, &wd);
/*Result = WSAStartup(MAKEWORD(2,2), &wd); */
@@ -126,17 +127,28 @@ bool bip_init(void)
}
atexit(cleanup);
address.s_addr = gethostaddr();
if (address.s_addr == (unsigned) -1) {
Code = WSAGetLastError();
printf("Get host address failed, error code: %i\n", Code);
exit(1);
/* has address been set? */
address.s_addr = htonl(bip_get_addr());
if (address.s_addr == 0) {
address.s_addr = gethostaddr();
if (address.s_addr == (unsigned) -1) {
Code = WSAGetLastError();
printf("Get host address failed, error code: %i\n", Code);
exit(1);
}
bip_set_addr(address.s_addr);
}
#ifdef BIP_DEBUG
printf("host address: %s\n", inet_ntoa(address));
#endif
bip_set_addr(address.s_addr);
set_broadcast_address(address.s_addr);
/* has broadcast address been set? */
if (bip_get_broadcast_addr() == 0) {
set_broadcast_address(address.s_addr);
}
#ifdef BIP_DEBUG
broadcast_address.s_addr = htonl(bip_get_broadcast_addr());
printf("broadcast address: %s\n", inet_ntoa(broadcast_address));
#endif
/* assumes that the driver has already been initialized */
sock_fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);