More struct berval DN changes

[openldap] / servers / slapd / back-ldbm / cache.c

diff --git a/servers/slapd/back-ldbm/cache.c b/servers/slapd/back-ldbm/cache.c
index f87bb405f195e8dd9330d1d0f83b66d49394602e..d9a7c65149495b686b960cafeae76b794db9e0f0 100644 (file)
--- a/servers/slapd/back-ldbm/cache.c
+++ b/servers/slapd/back-ldbm/cache.c
@@ -29,9 +29,10 @@ typedef struct ldbm_entry_info {
        int             lei_state;      /* for the cache */
 #define        CACHE_ENTRY_UNDEFINED   0
 #define CACHE_ENTRY_CREATING   1
-#define CACHE_ENTRY_READY              2
-#define CACHE_ENTRY_DELETED            3
-
+#define CACHE_ENTRY_READY      2
+#define CACHE_ENTRY_DELETED    3
+#define CACHE_ENTRY_COMMITTED  4
+       
        int             lei_refcnt;     /* # threads ref'ing this entry */
        Entry   *lei_lrunext;   /* for cache lru list */
        Entry   *lei_lruprev;
@@ -134,6 +135,23 @@ cache_entry_private_init( Entry*e )
        return 0;
 }
 
+/*
+ * marks an entry in CREATING state as committed, so it is really returned
+ * to the cache. Otherwise an entry in CREATING state is removed.
+ * Makes e_private be destroyed at the following cache_return_entry_w,
+ * but lets the entry untouched (owned by someone else)
+ */
+void
+cache_entry_commit( Entry *e )
+{
+       assert( e );
+       assert( e->e_private );
+       assert( LEI(e)->lei_state == CACHE_ENTRY_CREATING );
+       /* assert( LEI(e)->lei_refcnt == 1 ); */
+
+       LEI(e)->lei_state = CACHE_ENTRY_COMMITTED;
+}
+
 static int
 cache_entry_private_destroy( Entry*e )
 {
@@ -150,7 +168,7 @@ void
 cache_return_entry_rw( Cache *cache, Entry *e, int rw )
 {
        ID id;
-       int refcnt;
+       int refcnt, freeit = 1;
 
        /* set cache mutex */
        ldap_pvt_thread_mutex_lock( &cache->c_mutex );
@@ -162,7 +180,18 @@ cache_return_entry_rw( Cache *cache, Entry *e, int rw )
        id = e->e_id;
        refcnt = --LEI(e)->lei_refcnt;
 
-       if ( LEI(e)->lei_state == CACHE_ENTRY_CREATING ) {
+       /*
+        * if the entry is returned when in CREATING state, it is deleted
+        * but not freed because it may belong to someone else (do_add,
+        * for instance)
+        */
+       if (  LEI(e)->lei_state == CACHE_ENTRY_CREATING ) {
+               cache_delete_entry_internal( cache, e );
+               freeit = 0;
+               /* now the entry is in DELETED state */
+       }
+
+       if ( LEI(e)->lei_state == CACHE_ENTRY_COMMITTED ) {
                LEI(e)->lei_state = CACHE_ENTRY_READY;
 
                /* free cache mutex */
@@ -197,7 +226,9 @@ cache_return_entry_rw( Cache *cache, Entry *e, int rw )
 
                } else {
                        cache_entry_private_destroy( e );
-                       entry_free( e );
+                       if ( freeit ) {
+                               entry_free( e );
+                       }
 
                        /* free cache mutex */
                        ldap_pvt_thread_mutex_unlock( &cache->c_mutex );
@@ -603,8 +634,8 @@ try_again:
 
 #ifdef NEW_LOGGING
                        LDAP_LOG(( "cache", LDAP_LEVEL_INFO,
-                                  "cache_find_entry_dn2id: (%s)%ld not ready: %d\n",
-                                  dn, id, state ));
+                                  "cache_find_entry_dn2id: (%s) %ld not ready: %d\n",
+                                  ndn, id, state ));
 #else
                        Debug(LDAP_DEBUG_TRACE,
                                "====> cache_find_entry_dn2id(\"%s\"): %ld (not ready) %d\n",
@@ -625,8 +656,8 @@ try_again:
 
 #ifdef NEW_LOGGING
                LDAP_LOG(( "cache", LDAP_LEVEL_DETAIL1,
-                          "cache_find_entry_dn2id: (%s)%ld %d tries\n",
-                          dn, id, count ));
+                          "cache_find_entry_dn2id: (%s): %ld %d tries\n",
+                          ndn, id, count ));
 #else
                Debug(LDAP_DEBUG_TRACE,
                        "====> cache_find_entry_dn2id(\"%s\"): %ld (%d tries)\n",
@@ -689,7 +720,7 @@ try_again:
                        ldap_pvt_thread_mutex_unlock( &cache->c_mutex );
 
 #ifdef NEW_LOGGING
-                       LDAP_LOG(( "caceh", LDAP_LEVEL_INFO,
+                       LDAP_LOG(( "cache", LDAP_LEVEL_INFO,
                                   "cache_find_entry_id: (%ld)->%ld not ready (%d).\n",
                                   id, ep_id, state ));