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Added backend_group result caching.

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This commit is contained in:
Howard Chu 2001-11-12 19:25:41 +00:00
parent 6b1104ab87
commit a0a24d73dc
2 changed files with 52 additions and 1 deletions
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40
servers/slapd/backend.c
View file

@ -953,6 +953,28 @@ backend_group(
AttributeDescription *group_at
)
{
GroupAssertion *g;
int len = strlen(gr_ndn);
int i;
ldap_pvt_thread_mutex_lock( &op->o_abandonmutex );
i = op->o_abandon;
ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
if (i)
return SLAPD_ABANDON;
ldap_pvt_thread_mutex_lock( &conn->c_mutex );
for (g = conn->c_groups; g; g=g->next) {
if (g->be != be || g->oc != group_oc || g->at != group_at ||
g->len != len)
continue;
if (strcmp( g->ndn, gr_ndn ) == 0)
break;
}
ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
if (g)
return g->res;
if( strcmp( target->e_ndn, gr_ndn ) != 0 ) {
/* we won't attempt to send it to a different backend */
@ -964,9 +986,25 @@ backend_group(
}
if( be->be_group ) {
return be->be_group( be, conn, op,
int res = be->be_group( be, conn, op,
target, gr_ndn, op_ndn,
group_oc, group_at );
if (op->o_tag != LDAP_REQ_BIND) {
g = ch_malloc(sizeof(GroupAssertion) + len);
g->be = be;
g->oc = group_oc;
g->at = group_at;
g->res = res;
g->len = len;
strcpy(g->ndn, gr_ndn);
ldap_pvt_thread_mutex_lock( &conn->c_mutex );
g->next = conn->c_groups;
conn->c_groups = g;
ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
}
return res;
}
return LDAP_UNWILLING_TO_PERFORM;

13
servers/slapd/connection.c
View file

@ -408,6 +408,7 @@ long connection_init(
c->c_authmech = NULL;
c->c_dn = NULL;
c->c_cdn = NULL;
c->c_groups = NULL;
c->c_listener_url = NULL;
c->c_peer_domain = NULL;
@ -444,6 +445,7 @@ long connection_init(
assert( c->c_authmech == NULL );
assert( c->c_dn == NULL );
assert( c->c_cdn == NULL );
assert( c->c_groups == NULL );
assert( c->c_listener_url == NULL );
assert( c->c_peer_domain == NULL );
assert( c->c_peer_name == NULL );
@ -573,6 +575,17 @@ void connection2anonymous( Connection *c )
c->c_authc_backend = NULL;
c->c_authz_backend = NULL;
{
GroupAssertion *g, *n;
for (g = c->c_groups; g; g=n)
{
n = g->next;
free(g);
}
c->c_groups = NULL;
}
}
static void