char *
TRANS(GetPeerNetworkId) (XtransConnInfo ciptr)
{
int family = ciptr->family;
char *peer_addr = ciptr->peeraddr;
char *hostname;
char addrbuf[256];
char *addr = NULL;
switch (family)
{
case AF_UNSPEC:
#if defined(UNIXCONN) || defined(LOCALCONN)
case AF_UNIX:
{
if (gethostname (addrbuf, sizeof (addrbuf)) == 0)
addr = addrbuf;
break;
}
#endif /* defined(UNIXCONN) || defined(LOCALCONN) */
#if defined(TCPCONN)
case AF_INET:
{
struct sockaddr_in *saddr = (struct sockaddr_in *) peer_addr;
#ifdef XTHREADS_NEEDS_BYNAMEPARAMS
_Xgethostbynameparams hparams;
#endif
struct hostent * volatile hostp = NULL;
#ifdef SIGALRM
/*
* gethostbyaddr can take a LONG time if the host does not exist.
* Assume that if it does not respond in NAMESERVER_TIMEOUT seconds
* that something is wrong and do not make the user wait.
* gethostbyaddr will continue after a signal, so we have to
* jump out of it.
*/
nameserver_timedout = 0;
signal (SIGALRM, nameserver_lost);
alarm (4);
if (setjmp(env) == 0) {
#endif
hostp = _XGethostbyaddr ((char *) &saddr->sin_addr,
sizeof (saddr->sin_addr), AF_INET, hparams);
#ifdef SIGALRM
}
alarm (0);
#endif
if (hostp != NULL)
addr = hostp->h_name;
else
addr = inet_ntoa (saddr->sin_addr);
break;
}
#endif /* defined(TCPCONN) */
default:
return (NULL);
}
hostname = (char *) xalloc (
strlen (ciptr->transptr->TransName) + strlen (addr) + 2);
strcpy (hostname, ciptr->transptr->TransName);
strcat (hostname, "/");
if (addr)
strcat (hostname, addr);
return (hostname);
}
char *
TRANS(GetPeerNetworkId) (XtransConnInfo ciptr)
{
int family = ciptr->family;
char *peer_addr = ciptr->peeraddr;
char *hostname;
char addrbuf[256];
const char *addr = NULL;
switch (family)
{
case AF_UNSPEC:
#if defined(UNIXCONN) || defined(STREAMSCONN) || defined(LOCALCONN) || defined(OS2PIPECONN)
case AF_UNIX:
{
if (gethostname (addrbuf, sizeof (addrbuf)) == 0)
addr = addrbuf;
break;
}
#endif /* defined(UNIXCONN) || defined(STREAMSCONN) || defined(LOCALCONN) || defined(OS2PIPECONN) */
#if defined(TCPCONN) || defined(STREAMSCONN)
case AF_INET:
#if defined(IPv6) && defined(AF_INET6)
case AF_INET6:
#endif
{
struct sockaddr_in *saddr = (struct sockaddr_in *) peer_addr;
#if defined(IPv6) && defined(AF_INET6)
struct sockaddr_in6 *saddr6 = (struct sockaddr_in6 *) peer_addr;
#endif
char *address;
int addresslen;
#ifdef XTHREADS_NEEDS_BYNAMEPARAMS
_Xgethostbynameparams hparams;
#endif
struct hostent * volatile hostp = NULL;
#if defined(IPv6) && defined(AF_INET6)
if (family == AF_INET6)
{
address = (char *) &saddr6->sin6_addr;
addresslen = sizeof (saddr6->sin6_addr);
}
else
#endif
{
address = (char *) &saddr->sin_addr;
addresslen = sizeof (saddr->sin_addr);
}
#ifdef SIGALRM
/*
* gethostbyaddr can take a LONG time if the host does not exist.
* Assume that if it does not respond in NAMESERVER_TIMEOUT seconds
* that something is wrong and do not make the user wait.
* gethostbyaddr will continue after a signal, so we have to
* jump out of it.
*/
nameserver_timedout = 0;
signal (SIGALRM, nameserver_lost);
alarm (4);
if (setjmp(env) == 0) {
#endif
hostp = _XGethostbyaddr (address, addresslen, family, hparams);
#ifdef SIGALRM
}
alarm (0);
#endif
if (hostp != NULL)
addr = hostp->h_name;
else
#if defined(IPv6) && defined(AF_INET6)
addr = inet_ntop (family, address, addrbuf, sizeof (addrbuf));
#else
addr = inet_ntoa (saddr->sin_addr);
#endif
break;
}
#endif /* defined(TCPCONN) || defined(STREAMSCONN) */
#if defined(DNETCONN)
case AF_DECnet:
{
struct sockaddr_dn *saddr = (struct sockaddr_dn *) peer_addr;
struct nodeent *np;
if (np = getnodebyaddr(saddr->sdn_add.a_addr,
saddr->sdn_add.a_len, AF_DECnet)) {
sprintf(addrbuf, "%s:", np->n_name);
} else {
sprintf(addrbuf, "%s:", dnet_htoa(&saddr->sdn_add));
}
addr = addrbuf;
break;
}
#endif /* defined(DNETCONN) */
default:
return (NULL);
}
hostname = (char *) xalloc (
strlen (ciptr->transptr->TransName) + strlen (addr) + 2);
strcpy (hostname, ciptr->transptr->TransName);
strcat (hostname, "/");
if (addr)
strcat (hostname, addr);
return (hostname);
}
