summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--src/dnscache.c24
-rw-r--r--src/dnscache.h3
2 files changed, 10 insertions, 17 deletions
diff --git a/src/dnscache.c b/src/dnscache.c
index f8bb4a3..dc3fd87 100644
--- a/src/dnscache.c
+++ b/src/dnscache.c
@@ -1,4 +1,4 @@
-/* $Id: dnscache.c,v 1.6 2000-09-26 04:59:48 rjkaes Exp $
+/* $Id: dnscache.c,v 1.7 2000-10-23 21:42:31 rjkaes Exp $
*
* This is a caching DNS system. When a host name is needed we look it up here
* and see if there is already an answer for it. The domains are placed in a
@@ -34,7 +34,6 @@
#include "utils.h"
#define DNSEXPIRE (5 * 60)
-#define DNS_GARBAGE_COL 10
struct dnscache_s {
struct in_addr ipaddr;
@@ -43,14 +42,16 @@ struct dnscache_s {
static TERNARY dns_tree;
+int new_dnscache(void)
+{
+ dns_tree = ternary_new();
+
+ return dns_tree;
+}
+
static int dns_lookup(struct in_addr *addr, char *domain)
{
struct dnscache_s *ptr;
-
- if (dns_tree == 0) {
- if (TE_ISERROR(dns_tree = ternary_new()))
- return dns_tree;
- }
if (TE_ISERROR(ternary_search(dns_tree, domain, (void *)&ptr)))
return -1;
@@ -82,16 +83,7 @@ static int dns_insert(struct in_addr *addr, char *domain)
int dnscache(struct in_addr *addr, char *domain)
{
- static unsigned int dns_garbage_collect = 0;
struct hostent *resolv;
-
-#if 0
- if (++dns_garbage_collect > DNS_GARBAGE_COL) {
- ternary_destroy(&dns_root, &free);
- DEBUG1("Doing garbage collection.");
- dns_garbage_collect = 0;
- }
-#endif
if (inet_aton(domain, (struct in_addr *) addr) != 0)
return 0;
diff --git a/src/dnscache.h b/src/dnscache.h
index 3ff0dd8..daeafa4 100644
--- a/src/dnscache.h
+++ b/src/dnscache.h
@@ -1,4 +1,4 @@
-/* $Id: dnscache.h,v 1.2 2000-09-11 23:42:43 rjkaes Exp $
+/* $Id: dnscache.h,v 1.3 2000-10-23 21:42:31 rjkaes Exp $
*
* See 'dnscache.c' for a detailed description.
*
@@ -20,6 +20,7 @@
#include <arpa/inet.h>
+extern int new_dnscache(void);
extern int dnscache(struct in_addr *addr, char *domain);
#endif