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This commit is contained in:
Simon Kelley
2014-03-27 20:54:34 +00:00
parent 4e1fe44428
commit fec216df32
5 changed files with 155 additions and 15 deletions
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95
src/cache.c
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@@ -1262,6 +1262,101 @@ void cache_add_dhcp_entry(char *host_name, int prot,
}
#endif
int cache_make_stat(struct txt_record *t)
{
static char *buff = NULL;
static int bufflen = 60;
int len;
struct server *serv, *serv1;
char *p;
if (!buff && !(buff = whine_malloc(60)))
return 0;
p = buff;
switch (t->stat)
{
case TXT_STAT_CACHESIZE:
sprintf(buff+1, "%d", daemon->cachesize);
break;
case TXT_STAT_INSERTS:
sprintf(buff+1, "%d", cache_inserted);
break;
case TXT_STAT_EVICTIONS:
sprintf(buff+1, "%d", cache_live_freed);
break;
case TXT_STAT_MISSES:
sprintf(buff+1, "%u", daemon->queries_forwarded);
break;
case TXT_STAT_HITS:
sprintf(buff+1, "%u", daemon->local_answer);
break;
#ifdef HAVE_AUTH
case TXT_STAT_AUTH:
sprintf(buff+1, "%u", daemon->auth_answer);
break;
#endif
case TXT_STAT_SERVERS:
/* sum counts from different records for same server */
for (serv = daemon->servers; serv; serv = serv->next)
serv->flags &= ~SERV_COUNTED;
for (serv = daemon->servers; serv; serv = serv->next)
if (!(serv->flags &
(SERV_NO_ADDR | SERV_LITERAL_ADDRESS | SERV_COUNTED | SERV_USE_RESOLV | SERV_NO_REBIND)))
{
char *new, *lenp;
int port, newlen, bytes_avail, bytes_needed;
unsigned int queries = 0, failed_queries = 0;
for (serv1 = serv; serv1; serv1 = serv1->next)
if (!(serv1->flags &
(SERV_NO_ADDR | SERV_LITERAL_ADDRESS | SERV_COUNTED | SERV_USE_RESOLV | SERV_NO_REBIND)) &&
sockaddr_isequal(&serv->addr, &serv1->addr))
{
serv1->flags |= SERV_COUNTED;
queries += serv1->queries;
failed_queries += serv1->failed_queries;
}
port = prettyprint_addr(&serv->addr, daemon->addrbuff);
lenp = p++; /* length */
bytes_avail = (p - buff) + bufflen;
bytes_needed = snprintf(p, bytes_avail, "%s#%d %u %u", daemon->addrbuff, port, queries, failed_queries);
if (bytes_needed >= bytes_avail)
{
/* expand buffer if necessary */
newlen = bytes_needed + 1 + bufflen - bytes_avail;
if (!(new = whine_malloc(newlen)))
return 0;
memcpy(new, buff, bufflen);
free(buff);
p = new + (p - buff);
lenp = p - 1;
buff = new;
bufflen = newlen;
bytes_avail = (p - buff) + bufflen;
bytes_needed = snprintf(p, bytes_avail, "%s#%d %u %u", daemon->addrbuff, port, queries, failed_queries);
}
*lenp = bytes_needed;
p += bytes_needed;
}
t->txt = (unsigned char *)buff;
t->len = p - buff;
return 1;
}
len = strlen(buff+1);
t->txt = (unsigned char *)buff;
t->len = len + 1;
*buff = len;
return 1;
}
void dump_cache(time_t now)
{