Introduction of a new Berkeley DB version 2 (!) specific backend.

[openldap] / servers / slapd / back-bdb2 / compare.c

diff --git a/servers/slapd/back-bdb2/compare.c b/servers/slapd/back-bdb2/compare.c
new file mode 100644 (file)
index 0000000..df38525
--- /dev/null
+++ b/servers/slapd/back-bdb2/compare.c
@@ -0,0 +1,107 @@
+/* compare.c - bdb2 backend compare routine */
+
+#include "portable.h"
+
+#include <stdio.h>
+
+#include <ac/socket.h>
+#include <ac/string.h>
+
+#include "slap.h"
+#include "back-bdb2.h"
+#include "proto-back-bdb2.h"
+
+static int
+bdb2i_back_compare_internal(
+    Backend    *be,
+    Connection *conn,
+    Operation  *op,
+    char       *dn,
+    Ava                *ava
+)
+{
+       struct ldbminfo *li = (struct ldbminfo *) be->be_private;
+       char            *matched;
+       Entry           *e;
+       Attribute       *a;
+       int             rc;
+
+       /* get entry with reader lock */
+       if ( (e = bdb2i_dn2entry_r( be, dn, &matched )) == NULL ) {
+               send_ldap_result( conn, op, LDAP_NO_SUCH_OBJECT, matched, "" );
+
+               if(matched == NULL) free(matched);
+               return( 1 );
+       }
+
+       /* check for deleted */
+       if ( ! access_allowed( be, conn, op, e,
+               ava->ava_type, &ava->ava_value, ACL_COMPARE ) )
+       {
+               send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS, "", "" );
+               rc = 1;
+               goto return_results;
+       }
+
+       if ( (a = attr_find( e->e_attrs, ava->ava_type )) == NULL ) {
+               send_ldap_result( conn, op, LDAP_NO_SUCH_ATTRIBUTE, "", "" );
+               rc = 1;
+               goto return_results;
+       }
+
+       if ( value_find( a->a_vals, &ava->ava_value, a->a_syntax, 1 ) == 0 ) 
+               send_ldap_result( conn, op, LDAP_COMPARE_TRUE, "", "" );
+       else
+               send_ldap_result( conn, op, LDAP_COMPARE_FALSE, "", "" );
+
+       rc = 0;
+
+return_results:;
+       bdb2i_cache_return_entry_r( &li->li_cache, e );
+       return( rc );
+}
+
+
+int
+bdb2_back_compare(
+    Backend    *be,
+    Connection *conn,
+    Operation  *op,
+    char       *dn,
+    Ava                *ava
+)
+{
+       DB_LOCK  lock;
+       struct ldbminfo *li = (struct ldbminfo *) be->be_private;
+
+       struct timeval  time1, time2;
+       char   *elapsed_time;
+       int    ret;
+
+       gettimeofday( &time1, NULL );
+
+       if ( bdb2i_enter_backend_r( &li->li_db_env, &lock ) != 0 ) {
+
+               send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
+               return( 1 );
+
+       }
+
+       ret = bdb2i_back_compare_internal( be, conn, op, dn, ava );
+
+       (void) bdb2i_leave_backend( &li->li_db_env, lock );
+
+       if ( bdb2i_do_timing ) {
+
+               gettimeofday( &time2, NULL);
+               elapsed_time = bdb2i_elapsed( time1, time2 );
+               Debug( LDAP_DEBUG_ANY, "conn=%d op=%d CMP elapsed=%s\n",
+                               conn->c_connid, op->o_opid, elapsed_time );
+               free( elapsed_time );
+
+       }
+
+       return( ret );
+}
+
+