diff options
Diffstat (limited to 'src/cache.c')
| -rw-r--r-- | src/cache.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/src/cache.c b/src/cache.c index ecc4a78..64cfeb1 100644 --- a/src/cache.c +++ b/src/cache.c @@ -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) { |