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| author | Robert James Kaes <rjkaes@users.sourceforge.net> | 2000-10-23 21:42:31 +0000 |
|---|---|---|
| committer | Robert James Kaes <rjkaes@users.sourceforge.net> | 2000-10-23 21:42:31 +0000 |
| commit | 670fad4a412cdf4022f27f2adc31460eaefbd2ea (patch) | |
| tree | 27a36906afd54ff449816763e9142301262b4d9e /src | |
| parent | 21e4d8a9bddc83ca7d6d38b3a2e95101184232c2 (diff) | |
| download | tinyproxy-670fad4a412cdf4022f27f2adc31460eaefbd2ea.tar.gz tinyproxy-670fad4a412cdf4022f27f2adc31460eaefbd2ea.zip | |
Added the new_dnscache routine to initialize the Ternary tree. Also,
removed the garbage collection routine.
Diffstat (limited to 'src')
| -rw-r--r-- | src/dnscache.c | 24 | ||||
| -rw-r--r-- | src/dnscache.h | 3 |
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 |