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add some logging to sigar_fqdn_get

This commit is contained in:
Doug MacEachern 2004-07-06 01:00:14 +00:00
parent 6cc0af0968
commit a96ad26012
1 changed files with 30 additions and 1 deletions
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31
src/sigar.c
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@ -1008,19 +1008,32 @@ SIGAR_DECLARE(int) sigar_fqdn_get(sigar_t *sigar, char *name, int namelen)
#endif #endif
if (gethostname(name, namelen - 1) != 0) { if (gethostname(name, namelen - 1) != 0) {
return ENOENT; sigar_log_printf(sigar, SIGAR_LOG_ERROR,
"[%s] gethostname failed: %s",
SIGAR_FUNC, sigar_strerror(sigar, errno));
return errno;
} }
/* XXX use _r versions of these functions. */ /* XXX use _r versions of these functions. */
if (!(p = gethostbyname(name))) { if (!(p = gethostbyname(name))) {
if (SIGAR_LOG_IS_DEBUG(sigar)) {
sigar_log_printf(sigar, SIGAR_LOG_DEBUG,
"[%s] gethostbyname(%s) failed: %s",
SIGAR_FUNC, name, sigar_strerror(sigar, errno));
}
if (!strchr(name, '.')) { if (!strchr(name, '.')) {
fqdn_ip_get(sigar, name); fqdn_ip_get(sigar, name);
} }
return SIGAR_OK; return SIGAR_OK;
} }
if (strchr(p->h_name, '.')) { if (strchr(p->h_name, '.')) {
FQDN_SET(p->h_name); FQDN_SET(p->h_name);
sigar_log(sigar, SIGAR_LOG_DEBUG,
"FQDN resolved using gethostbyname.h_name");
return SIGAR_OK; return SIGAR_OK;
} }
@ -1030,6 +1043,10 @@ SIGAR_DECLARE(int) sigar_fqdn_get(sigar_t *sigar, char *name, int namelen)
for (i=0; p->h_aliases[i]; i++) { for (i=0; p->h_aliases[i]; i++) {
if (H_ALIAS_MATCH(p->h_aliases[i], p->h_name)) { if (H_ALIAS_MATCH(p->h_aliases[i], p->h_name)) {
FQDN_SET(p->h_aliases[i]); FQDN_SET(p->h_aliases[i]);
sigar_log(sigar, SIGAR_LOG_DEBUG,
"FQDN resolved using gethostbyname.h_aliases");
return SIGAR_OK; return SIGAR_OK;
} }
} }
@ -1046,12 +1063,21 @@ SIGAR_DECLARE(int) sigar_fqdn_get(sigar_t *sigar, char *name, int namelen)
if (strchr(q->h_name, '.')) { if (strchr(q->h_name, '.')) {
FQDN_SET(q->h_name); FQDN_SET(q->h_name);
sigar_log(sigar, SIGAR_LOG_DEBUG,
"FQDN resolved using gethostbyaddr.h_name");
return SIGAR_OK; return SIGAR_OK;
} }
else { else {
for (j=0; q->h_aliases[j]; j++) { for (j=0; q->h_aliases[j]; j++) {
if (H_ALIAS_MATCH(q->h_aliases[j], q->h_name)) { if (H_ALIAS_MATCH(q->h_aliases[j], q->h_name)) {
FQDN_SET(q->h_aliases[j]); FQDN_SET(q->h_aliases[j]);
sigar_log(sigar, SIGAR_LOG_DEBUG,
"FQDN resolved using "
"gethostbyaddr.h_aliases");
return SIGAR_OK; return SIGAR_OK;
} }
} }
@ -1072,6 +1098,9 @@ SIGAR_DECLARE(int) sigar_fqdn_get(sigar_t *sigar, char *name, int namelen)
*ptr++ = '.'; *ptr++ = '.';
namelen -= (len+1); namelen -= (len+1);
SIGAR_STRNCPY(ptr, domain, namelen); SIGAR_STRNCPY(ptr, domain, namelen);
sigar_log(sigar, SIGAR_LOG_DEBUG,
"FQDN resolved using getdomainname");
} }
#endif #endif