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Use difftime() to determine cache age.

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This commit is contained in:
Kurt Zeilenga 1999-05-27 22:48:14 +00:00
parent f90277edc5
commit c1501fd3a7
2 changed files with 8 additions and 7 deletions
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13
libraries/libldap/cache.c
View File

@ -376,7 +376,7 @@ ldap_check_cache( LDAP *ld, unsigned long msgtype, BerElement *request )
LDAPMessage *m, *new, *prev, *next;
BerElement reqber;
int first, hash;
unsigned long validtime;
time_t c_time;
Debug( LDAP_DEBUG_TRACE, "ldap_check_cache\n", 0, 0, 0 );
@ -388,14 +388,14 @@ ldap_check_cache( LDAP *ld, unsigned long msgtype, BerElement *request )
reqber.ber_buf = reqber.ber_ptr = request->ber_buf;
reqber.ber_end = request->ber_ptr;
validtime = (long)time( NULL ) - ld->ld_cache->lc_timeout;
c_time = time( NULL );
prev = NULLMSG;
hash = cache_hash( &reqber );
for ( m = ld->ld_cache->lc_buckets[ hash ]; m != NULLMSG; m = next ) {
Debug( LDAP_DEBUG_TRACE,"cc: examining id %d,type %d\n",
m->lm_msgid, m->lm_msgtype, 0 );
if ( m->lm_time < validtime ) {
if ( difftime(c_time, m->lm_time) > ld->ld_cache->lc_timeout ) {
/* delete expired message */
next = m->lm_next;
if ( prev == NULL ) {
@ -617,7 +617,8 @@ check_cache_memused( LDAPCache *lc )
* } while ( cache size is > SIZE_FACTOR * lc_maxmem )
*/
int i;
unsigned long remove_threshold, validtime;
unsigned long remove_threshold;
time_t c_time;
LDAPMessage *m, *prev, *next;
Debug( LDAP_DEBUG_TRACE, "check_cache_memused: %ld bytes in use (%ld max)\n",
@ -630,13 +631,13 @@ check_cache_memused( LDAPCache *lc )
remove_threshold = lc->lc_timeout;
while ( lc->lc_memused > lc->lc_maxmem * SIZE_FACTOR ) {
validtime = (long)time( NULL ) - remove_threshold;
c_time = time( NULL );
for ( i = 0; i < LDAP_CACHE_BUCKETS; ++i ) {
prev = NULLMSG;
for ( m = lc->lc_buckets[ i ]; m != NULLMSG;
m = next ) {
next = m->lm_next;
if ( m->lm_time < validtime ) {
if ( difftime(c_time, m->lm_time) > remove_threshold) {
if ( prev == NULLMSG ) {
lc->lc_buckets[ i ] = next;
} else {

2
libraries/libldap/ldap-int.h
View File

@ -73,7 +73,7 @@ struct ldapmsg {
BerElement *lm_ber; /* the ber encoded message contents */
struct ldapmsg *lm_chain; /* for search - next msg in the resp */
struct ldapmsg *lm_next; /* next response */
unsigned int lm_time; /* used to maintain cache */
time_t lm_time; /* used to maintain cache */
};
#define NULLMSG ((LDAPMessage *)NULL)
/*