]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/result.c
Cleanup for C++
[openldap] / servers / slapd / result.c
index 9d1e2817e1211b47c0bf8a73d7ca1798f2db34e0..d2302ebb6f1d606e986a572259e1fbe0c2e16683 100644 (file)
@@ -2,7 +2,7 @@
 /* $OpenLDAP$ */
 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
  *
- * Copyright 1998-2004 The OpenLDAP Foundation.
+ * Copyright 1998-2008 The OpenLDAP Foundation.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -37,9 +37,7 @@
 
 #include "slap.h"
 
-#ifdef LDAP_SLAPI
-#include "slapi/slapi.h"
-#endif
+const struct berval slap_dummy_bv = BER_BVNULL;
 
 int slap_null_cb( Operation *op, SlapReply *rs )
 {
@@ -48,7 +46,7 @@ int slap_null_cb( Operation *op, SlapReply *rs )
 
 int slap_freeself_cb( Operation *op, SlapReply *rs )
 {
-       assert( op->o_callback );
+       assert( op->o_callback != NULL );
 
        op->o_tmpfree( op->o_callback, op->o_tmpmemctx );
        op->o_callback = NULL;
@@ -56,14 +54,6 @@ int slap_freeself_cb( Operation *op, SlapReply *rs )
        return SLAP_CB_CONTINUE;
 }
 
-int slap_replog_cb( Operation *op, SlapReply *rs )
-{
-       if ( rs->sr_err == LDAP_SUCCESS ) {
-               replog( op );
-       }
-       return SLAP_CB_CONTINUE;
-}
-
 static char *v2ref( BerVarray ref, const char *text )
 {
        size_t len = 0, i = 0;
@@ -84,15 +74,7 @@ static char *v2ref( BerVarray ref, const char *text )
                }
        }
 
-       v2 = SLAP_MALLOC( len+i+sizeof("Referral:") );
-       if( v2 == NULL ) {
-#ifdef NEW_LOGGING
-               LDAP_LOG( OPERATION, ERR, "v2ref: SLAP_MALLOC failed", 0, 0, 0 );
-#else
-               Debug( LDAP_DEBUG_ANY, "v2ref: SLAP_MALLOC failed", 0, 0, 0 );
-#endif
-               return NULL;
-       }
+       v2 = ch_malloc( len+i+sizeof("Referral:") );
 
        if( text != NULL ) {
                strcpy(v2, text);
@@ -104,15 +86,7 @@ static char *v2ref( BerVarray ref, const char *text )
        len += sizeof("Referral:");
 
        for( i=0; ref[i].bv_val != NULL; i++ ) {
-               v2 = SLAP_REALLOC( v2, len + ref[i].bv_len + 1 );
-               if( v2 == NULL ) {
-#ifdef NEW_LOGGING
-                       LDAP_LOG( OPERATION, ERR, "v2ref: SLAP_MALLOC failed", 0, 0, 0 );
-#else
-                       Debug( LDAP_DEBUG_ANY, "v2ref: SLAP_MALLOC failed", 0, 0, 0 );
-#endif
-                       return NULL;
-               }
+               v2 = ch_realloc( v2, len + ref[i].bv_len + 1 );
                v2[len-1] = '\n';
                AC_MEMCPY(&v2[len], ref[i].bv_val, ref[i].bv_len );
                len += ref[i].bv_len;
@@ -125,7 +99,8 @@ static char *v2ref( BerVarray ref, const char *text )
        return v2;
 }
 
-static ber_tag_t req2res( ber_tag_t tag )
+ber_tag_t
+slap_req2res( ber_tag_t tag )
 {
        switch( tag ) {
        case LDAP_REQ_ADD:
@@ -174,7 +149,6 @@ static long send_ldap_ber(
        /* write the pdu */
        while( 1 ) {
                int err;
-               ber_socket_t    sd;
 
                if ( connection_state_closing( conn ) ) {
                        ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
@@ -183,11 +157,11 @@ static long send_ldap_ber(
                        return 0;
                }
 
-               if ( ber_flush( conn->c_sb, ber, 0 ) == 0 ) {
+               if ( ber_flush2( conn->c_sb, ber, LBER_FLUSH_FREE_NEVER ) == 0 ) {
                        break;
                }
 
-               err = errno;
+               err = sock_errno();
 
                /*
                 * we got an error.  if it's ewouldblock, we need to
@@ -195,17 +169,11 @@ static long send_ldap_ber(
                 * it's a hard error and return.
                 */
 
-#ifdef NEW_LOGGING
-               LDAP_LOG( OPERATION, ERR, 
-                       "send_ldap_ber: conn %lu  ber_flush failed err=%d (%s)\n",
-                       conn ? conn->c_connid : 0, err, sock_errstr(err) );
-#else
-               Debug( LDAP_DEBUG_CONNS, "ber_flush failed errno=%d reason=\"%s\"\n",
+               Debug( LDAP_DEBUG_CONNS, "ber_flush2 failed errno=%d reason=\"%s\"\n",
                    err, sock_errstr(err), 0 );
-#endif
 
                if ( err != EWOULDBLOCK && err != EAGAIN ) {
-                       connection_closing( conn );
+                       connection_closing( conn, "connection lost on write" );
 
                        ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
                        ldap_pvt_thread_mutex_unlock( &conn->c_write_mutex );
@@ -215,8 +183,7 @@ static long send_ldap_ber(
 
                /* wait for socket to be write-ready */
                conn->c_writewaiter = 1;
-               ber_sockbuf_ctrl( conn->c_sb, LBER_SB_OPT_GET_FD, &sd );
-               slapd_set_write( sd, 1 );
+               slapd_set_write( conn->c_sd, 1 );
 
                ldap_pvt_thread_cond_wait( &conn->c_write_cv, &conn->c_mutex );
                conn->c_writewaiter = 0;
@@ -258,48 +225,143 @@ static int
 send_ldap_controls( Operation *o, BerElement *ber, LDAPControl **c )
 {
        int rc;
-#ifdef LDAP_SLAPI
-       LDAPControl **sctrls = NULL;
-
-       /*
-        * Retrieve any additional controls that may be set by the
-        * plugin.
-        */
-
-       if ( o->o_pb && slapi_pblock_get( o->o_pb, SLAPI_RESCONTROLS, &sctrls ) != 0 ) {
-               sctrls = NULL;
-       }
 
-       if ( c == NULL && sctrls == NULL ) return 0;
-#else
-       if( c == NULL ) return 0;
-#endif /* LDAP_SLAPI */
+       if( c == NULL )
+               return 0;
 
        rc = ber_printf( ber, "t{"/*}*/, LDAP_TAG_CONTROLS );
        if( rc == -1 ) return rc;
 
-#ifdef LDAP_SLAPI
-       if ( c != NULL )
-#endif /* LDAP_SLAPI */
        for( ; *c != NULL; c++) {
                rc = send_ldap_control( ber, *c );
                if( rc == -1 ) return rc;
        }
 
-#ifdef LDAP_SLAPI
-       if ( sctrls != NULL ) {
-               for ( c = sctrls; *c != NULL; c++ ) {
-                       rc = send_ldap_control( ber, *c );
-                       if( rc == -1 ) return rc;
+#ifdef SLAP_CONTROL_X_SORTEDRESULTS
+       /* this is a hack to avoid having to modify op->s_ctrls */
+       if( o->o_sortedresults ) {
+               BerElementBuffer berbuf;
+               BerElement *sber = (BerElement *) &berbuf;
+               LDAPControl sorted;
+               BER_BVZERO( &sorted.ldctl_value );
+               sorted.ldctl_oid = LDAP_CONTROL_SORTRESPONSE;
+               sorted.ldctl_iscritical = 0;
+
+               ber_init2( sber, NULL, LBER_USE_DER );
+
+               ber_printf( sber, "{e}", LDAP_UNWILLING_TO_PERFORM );
+
+               if( ber_flatten2( ber, &sorted.ldctl_value, 0 ) == -1 ) {
+                       return -1;
                }
+
+               (void) ber_free_buf( ber );
+
+               rc = send_ldap_control( ber, &sorted );
+               if( rc == -1 ) return rc;
        }
-#endif /* LDAP_SLAPI */
+#endif
 
        rc = ber_printf( ber, /*{*/"N}" );
 
        return rc;
 }
 
+/*
+ * slap_response_play()
+ *
+ * plays the callback list; rationale: a callback can
+ *   - remove itself from the list, by setting op->o_callback = NULL;
+ *     malloc()'ed callbacks should free themselves from inside the
+ *     sc_response() function.
+ *   - replace itself with another (list of) callback(s), by setting
+ *     op->o_callback = a new (list of) callback(s); in this case, it
+ *     is the callback's responsibility to to append existing subsequent
+ *     callbacks to the end of the list that is passed to the sc_response()
+ *     function.
+ *   - modify the list of subsequent callbacks by modifying the value
+ *     of the sc_next field from inside the sc_response() function; this
+ *     case does not require any handling from inside slap_response_play()
+ *
+ * To stop execution of the playlist, the sc_response() function must return
+ * a value different from SLAP_SC_CONTINUE.
+ *
+ * The same applies to slap_cleanup_play(); only, there is no means to stop
+ * execution of the playlist, since all cleanup functions must be called.
+ */
+static int
+slap_response_play(
+       Operation *op,
+       SlapReply *rs )
+{
+       int rc;
+
+       slap_callback   *sc = op->o_callback, **scp;
+
+       rc = SLAP_CB_CONTINUE;
+       for ( scp = &sc; *scp; ) {
+               slap_callback *sc_next = (*scp)->sc_next, **sc_nextp = &(*scp)->sc_next;
+
+               op->o_callback = *scp;
+               if ( op->o_callback->sc_response ) {
+                       rc = op->o_callback->sc_response( op, rs );
+                       if ( op->o_callback == NULL ) {
+                               /* the callback has been removed;
+                                * repair the list */
+                               *scp = sc_next;
+                               sc_nextp = scp;
+
+                       } else if ( op->o_callback != *scp ) {
+                               /* a new callback has been inserted
+                                * in place of the existing one; repair the list */
+                               *scp = op->o_callback;
+                               sc_nextp = scp;
+                       }
+                       if ( rc != SLAP_CB_CONTINUE ) break;
+               }
+               scp = sc_nextp;
+       }
+
+       op->o_callback = sc;
+       return rc;
+}
+
+static int
+slap_cleanup_play(
+       Operation *op,
+       SlapReply *rs )
+{
+       slap_callback   *sc = op->o_callback, **scp;
+
+       for ( scp = &sc; *scp; ) {
+               slap_callback *sc_next = (*scp)->sc_next, **sc_nextp = &(*scp)->sc_next;
+
+               op->o_callback = *scp;
+               if ( op->o_callback->sc_cleanup ) {
+                       (void)op->o_callback->sc_cleanup( op, rs );
+                       if ( op->o_callback == NULL ) {
+                               /* the callback has been removed;
+                                * repair the list */
+                               *scp = sc_next;
+                               sc_nextp = scp;
+
+                       } else if ( op->o_callback != *scp ) {
+                               /* a new callback has been inserted
+                                * after the existing one; repair the list */
+                               /* a new callback has been inserted
+                                * in place of the existing one; repair the list */
+                               *scp = op->o_callback;
+                               sc_nextp = scp;
+                       }
+                       /* don't care about the result; do all cleanup */
+               }
+               scp = sc_nextp;
+       }
+
+       op->o_callback = sc;
+       return LDAP_SUCCESS;
+}
+
 static int
 send_ldap_response(
        Operation *op,
@@ -310,26 +372,16 @@ send_ldap_response(
        int             rc = LDAP_SUCCESS;
        long    bytes;
 
+       if ( rs->sr_err == SLAPD_ABANDON || op->o_abandon ) {
+               rc = SLAPD_ABANDON;
+               goto clean2;
+       }
+
        if ( op->o_callback ) {
-               int             first;
-               slap_callback   *sc = op->o_callback,
-                               *sc_next = op->o_callback;
-
-               rc = SLAP_CB_CONTINUE;
-               for ( sc_next = op->o_callback; sc_next; op->o_callback = sc_next) {
-                       sc_next = op->o_callback->sc_next;
-                       if ( op->o_callback->sc_response ) {
-                               rc = op->o_callback->sc_response( op, rs );
-                               if ( first && op->o_callback == NULL ) {
-                                       sc = NULL;
-                               }
-                               if ( rc != SLAP_CB_CONTINUE ) break;
-                       }
-                       first = 0;
+               rc = slap_response_play( op, rs );
+               if ( rc != SLAP_CB_CONTINUE ) {
+                       goto clean2;
                }
-
-               op->o_callback = sc;
-               if ( rc != SLAP_CB_CONTINUE ) goto clean2;
        }
 
 #ifdef LDAP_CONNECTIONLESS
@@ -342,27 +394,14 @@ send_ldap_response(
                ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
        }
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( OPERATION, ENTRY, 
-               "send_ldap_response:  msgid=%d tag=%lu err=%d\n",
-               rs->sr_msgid, rs->sr_tag, rs->sr_err );
-#else
        Debug( LDAP_DEBUG_TRACE,
                "send_ldap_response: msgid=%d tag=%lu err=%d\n",
                rs->sr_msgid, rs->sr_tag, rs->sr_err );
-#endif
 
        if( rs->sr_ref ) {
-#ifdef NEW_LOGGING
-               LDAP_LOG( OPERATION, ARGS, 
-                       "send_ldap_response: conn %lu  ref=\"%s\"\n",
-                       op->o_connid,
-                       rs->sr_ref[0].bv_val ? rs->sr_ref[0].bv_val : "NULL" , 0 );
-#else
                Debug( LDAP_DEBUG_ARGS, "send_ldap_response: ref=\"%s\"\n",
                        rs->sr_ref[0].bv_val ? rs->sr_ref[0].bv_val : "NULL",
                        NULL, NULL );
-#endif
        }
 
 #ifdef LDAP_CONNECTIONLESS
@@ -406,11 +445,15 @@ send_ldap_response(
        {
                if ( rs->sr_rspoid != NULL ) {
                        rc = ber_printf( ber, "ts",
-                               LDAP_TAG_EXOP_RES_OID, rs->sr_rspoid );
+                               rs->sr_type == REP_EXTENDED
+                                       ? LDAP_TAG_EXOP_RES_OID : LDAP_TAG_IM_RES_OID,
+                               rs->sr_rspoid );
                }
                if( rc != -1 && rs->sr_rspdata != NULL ) {
                        rc = ber_printf( ber, "tO",
-                               LDAP_TAG_EXOP_RES_VALUE, rs->sr_rspdata );
+                               rs->sr_type == REP_EXTENDED
+                                       ? LDAP_TAG_EXOP_RES_VALUE : LDAP_TAG_IM_RES_VALUE,
+                               rs->sr_rspdata );
                }
        }
 
@@ -435,13 +478,7 @@ send_ldap_response(
 #endif
                
        if ( rc == -1 ) {
-#ifdef NEW_LOGGING
-               LDAP_LOG( OPERATION, ERR, 
-                       "send_ldap_response: conn %lu  ber_printf failed\n",
-                       op->o_connid, 0, 0 );
-#else
                Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
-#endif
 
 #ifdef LDAP_CONNECTIONLESS
                if (!op->o_conn || op->o_conn->c_is_udp == 0)
@@ -462,32 +499,17 @@ send_ldap_response(
        }
 
        if ( bytes < 0 ) {
-#ifdef NEW_LOGGING
-               LDAP_LOG( OPERATION, ERR, 
-                       "send_ldap_response: conn %lu ber write failed\n",
-                       op->o_connid ? op->o_connid : 0, 0, 0 );
-#else
                Debug( LDAP_DEBUG_ANY,
                        "send_ldap_response: ber write failed\n",
                        0, 0, 0 );
-#endif
 
                goto cleanup;
        }
 
-#ifdef LDAP_SLAPI
-       if ( op->o_pb ) {
-               slapi_pblock_set( op->o_pb, SLAPI_RESULT_CODE, (void *)rs->sr_err );
-               slapi_pblock_set( op->o_pb, SLAPI_RESULT_MATCHED,
-                       (void *)rs->sr_matched );
-               slapi_pblock_set( op->o_pb, SLAPI_RESULT_TEXT, (void *)rs->sr_text );
-       }
-#endif /* LDAP_SLAPI */
-
-       ldap_pvt_thread_mutex_lock( &num_sent_mutex );
-       num_bytes_sent += bytes;
-       num_pdu_sent++;
-       ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
+       ldap_pvt_thread_mutex_lock( &op->o_counters->sc_mutex );
+       ldap_pvt_mp_add_ulong( op->o_counters->sc_pdu, 1 );
+       ldap_pvt_mp_add_ulong( op->o_counters->sc_bytes, (unsigned long)bytes );
+       ldap_pvt_thread_mutex_unlock( &op->o_counters->sc_mutex );
 
 cleanup:;
        /* Tell caller that we did this for real, as opposed to being
@@ -497,25 +519,9 @@ cleanup:;
 
 clean2:;
        if ( op->o_callback ) {
-               int             first;
-               slap_callback   *sc = op->o_callback,
-                               *sc_next = op->o_callback;
-
-               for ( sc_next = op->o_callback; sc_next; op->o_callback = sc_next) {
-                       sc_next = op->o_callback->sc_next;
-                       if ( op->o_callback->sc_cleanup ) {
-                               (void)op->o_callback->sc_cleanup( op, rs );
-                               if ( first && op->o_callback == NULL ) {
-                                       sc = NULL;
-                               }
-                       }
-                       first = 0;
-               }
-
-               op->o_callback = sc;
+               (void)slap_cleanup_play( op, rs );
        }
 
-
        if ( rs->sr_matched && rs->sr_flags & REP_MATCHED_MUSTBEFREED ) {
                free( (char *)rs->sr_matched );
                rs->sr_matched = NULL;
@@ -542,32 +548,26 @@ send_ldap_disconnect( Operation   *op, SlapReply *rs )
 
        rs->sr_type = REP_EXTENDED;
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( OPERATION, ENTRY, 
-               "send_ldap_disconnect: conn %lu  %d:%s\n",
-               op->o_connid, rs->sr_err, rs->sr_text ? rs->sr_text : "" );
-#else
        Debug( LDAP_DEBUG_TRACE,
                "send_ldap_disconnect %d:%s\n",
                rs->sr_err, rs->sr_text ? rs->sr_text : "", NULL );
-#endif
 
        if ( op->o_protocol < LDAP_VERSION3 ) {
                rs->sr_rspoid = NULL;
-               rs->sr_tag = req2res( op->o_tag );
+               rs->sr_tag = slap_req2res( op->o_tag );
                rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 
        } else {
                rs->sr_rspoid = LDAP_NOTICE_DISCONNECT;
                rs->sr_tag = LDAP_RES_EXTENDED;
-               rs->sr_msgid = 0;
+               rs->sr_msgid = LDAP_RES_UNSOLICITED;
        }
 
        if ( send_ldap_response( op, rs ) == SLAP_CB_CONTINUE ) {
                Statslog( LDAP_DEBUG_STATS,
-                       "conn=%lu op=%lu DISCONNECT tag=%lu err=%d text=%s\n",
-                       op->o_connid, op->o_opid, rs->sr_tag, rs->sr_err,
-                       rs->sr_text ? rs->sr_text : "" );
+                       "%s DISCONNECT tag=%lu err=%d text=%s\n",
+                       op->o_log_prefix, rs->sr_tag, rs->sr_err,
+                       rs->sr_text ? rs->sr_text : "", 0 );
        }
 }
 
@@ -580,52 +580,34 @@ slap_send_ldap_result( Operation *op, SlapReply *rs )
 
        rs->sr_type = REP_RESULT;
 
-       assert( !LDAP_API_ERROR( rs->sr_err ));
+       /* Propagate Abandons so that cleanup callbacks can be processed */
+       if ( rs->sr_err == SLAPD_ABANDON || op->o_abandon )
+               goto abandon;
+
+       assert( !LDAP_API_ERROR( rs->sr_err ) );
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( OPERATION, ENTRY, 
-               "send_ldap_result: conn=%lu op=%lu p=%d\n",
-               op->o_connid, op->o_opid, op->o_protocol );
-#else
        Debug( LDAP_DEBUG_TRACE,
-               "send_ldap_result: conn=%lu op=%lu p=%d\n",
-               op->o_connid, op->o_opid, op->o_protocol );
-#endif
+               "send_ldap_result: %s p=%d\n",
+               op->o_log_prefix, op->o_protocol, 0 );
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( OPERATION, ARGS, 
-               "send_ldap_result: err=%d matched=\"%s\" text=\"%s\"\n",
-               rs->sr_err, rs->sr_matched ? rs->sr_matched : "",
-               rs->sr_text ? rs->sr_text : "" );
-#else
        Debug( LDAP_DEBUG_ARGS,
                "send_ldap_result: err=%d matched=\"%s\" text=\"%s\"\n",
                rs->sr_err, rs->sr_matched ? rs->sr_matched : "",
                rs->sr_text ? rs->sr_text : "" );
-#endif
 
 
        if( rs->sr_ref ) {
-#ifdef NEW_LOGGING
-               LDAP_LOG( OPERATION, ARGS, 
-                       "send_ldap_result: referral=\"%s\"\n",
-                       rs->sr_ref[0].bv_val ? rs->sr_ref[0].bv_val : "NULL", 0, 0 );
-#else
                Debug( LDAP_DEBUG_ARGS,
                        "send_ldap_result: referral=\"%s\"\n",
                        rs->sr_ref[0].bv_val ? rs->sr_ref[0].bv_val : "NULL",
                        NULL, NULL );
-#endif
        }
 
        assert( rs->sr_err != LDAP_PARTIAL_RESULTS );
 
        if ( rs->sr_err == LDAP_REFERRAL ) {
-#ifdef LDAP_CONTROL_X_DOMAIN_SCOPE
-               if( op->o_domain_scope ) {
-                       rs->sr_ref = NULL;
-               }
-#endif
+               if( op->o_domain_scope ) rs->sr_ref = NULL;
+
                if( rs->sr_ref == NULL ) {
                        rs->sr_err = LDAP_NO_SUCH_OBJECT;
                } else if ( op->o_protocol < LDAP_VERSION3 ) {
@@ -633,35 +615,16 @@ slap_send_ldap_result( Operation *op, SlapReply *rs )
                }
        }
 
-#ifdef LDAP_SLAPI
-       /*
-        * Call pre-result plugins. To avoid infinite recursion plugins
-        * should just set SLAPI_RESULT_CODE rather than sending a
-        * result if they wish to change the result.
-        */
-       if ( op->o_pb != NULL ) {
-               slapi_int_pblock_set_operation( op->o_pb, op );
-               slapi_pblock_set( op->o_pb, SLAPI_RESULT_CODE,
-                       (void *)rs->sr_err );
-               slapi_pblock_set( op->o_pb, SLAPI_RESULT_TEXT,
-                       (void *)rs->sr_text );
-               slapi_pblock_set( op->o_pb, SLAPI_RESULT_MATCHED,
-                       (void *)rs->sr_matched );
-
-               (void) slapi_int_call_plugins( op->o_bd, SLAPI_PLUGIN_PRE_RESULT_FN,
-                       op->o_pb );
-       }
-#endif /* LDAP_SLAPI */
-
        if ( op->o_protocol < LDAP_VERSION3 ) {
                tmp = v2ref( rs->sr_ref, rs->sr_text );
                rs->sr_text = tmp;
                rs->sr_ref = NULL;
        }
 
-       rs->sr_tag = req2res( op->o_tag );
+       rs->sr_tag = slap_req2res( op->o_tag );
        rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 
+abandon:
        if ( send_ldap_response( op, rs ) == SLAP_CB_CONTINUE ) {
                if ( op->o_tag == LDAP_REQ_SEARCH ) {
                        char nbuf[64];
@@ -669,14 +632,14 @@ slap_send_ldap_result( Operation *op, SlapReply *rs )
                                rs->sr_err, rs->sr_nentries );
 
                        Statslog( LDAP_DEBUG_STATS,
-                       "conn=%lu op=%lu SEARCH RESULT tag=%lu err=%s text=%s\n",
-                               op->o_connid, op->o_opid, rs->sr_tag, nbuf,
-                               rs->sr_text ? rs->sr_text : "" );
+                       "%s SEARCH RESULT tag=%lu err=%s text=%s\n",
+                               op->o_log_prefix, rs->sr_tag, nbuf,
+                               rs->sr_text ? rs->sr_text : "", 0 );
                } else {
                        Statslog( LDAP_DEBUG_STATS,
-                               "conn=%lu op=%lu RESULT tag=%lu err=%d text=%s\n",
-                               op->o_connid, op->o_opid, rs->sr_tag, rs->sr_err,
-                               rs->sr_text ? rs->sr_text : "" );
+                               "%s RESULT tag=%lu err=%d text=%s\n",
+                               op->o_log_prefix, rs->sr_tag, rs->sr_err,
+                               rs->sr_text ? rs->sr_text : "", 0 );
                }
        }
 
@@ -689,21 +652,19 @@ void
 send_ldap_sasl( Operation *op, SlapReply *rs )
 {
        rs->sr_type = REP_SASL;
-#ifdef NEW_LOGGING
-       LDAP_LOG( OPERATION, ENTRY, 
-               "send_ldap_sasl: conn %lu err=%d len=%lu\n",
-               op->o_connid, rs->sr_err,
-               rs->sr_sasldata ? rs->sr_sasldata->bv_len : -1 );
-#else
        Debug( LDAP_DEBUG_TRACE, "send_ldap_sasl: err=%d len=%ld\n",
                rs->sr_err,
                rs->sr_sasldata ? (long) rs->sr_sasldata->bv_len : -1, NULL );
-#endif
 
-       rs->sr_tag = req2res( op->o_tag );
+       rs->sr_tag = slap_req2res( op->o_tag );
        rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 
-       send_ldap_response( op, rs );
+       if ( send_ldap_response( op, rs ) == SLAP_CB_CONTINUE ) {
+               Statslog( LDAP_DEBUG_STATS,
+                       "%s RESULT tag=%lu err=%d text=%s\n",
+                       op->o_log_prefix, rs->sr_tag, rs->sr_err,
+                       rs->sr_text ? rs->sr_text : "", 0 );
+       }
 }
 
 void
@@ -711,62 +672,63 @@ slap_send_ldap_extended( Operation *op, SlapReply *rs )
 {
        rs->sr_type = REP_EXTENDED;
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( OPERATION, ENTRY, 
-               "send_ldap_extended: err=%d oid=%s len=%ld\n",
-               rs->sr_err, rs->sr_rspoid ? rs->sr_rspoid : "",
-               rs->sr_rspdata != NULL ? rs->sr_rspdata->bv_len : 0 );
-#else
        Debug( LDAP_DEBUG_TRACE,
                "send_ldap_extended: err=%d oid=%s len=%ld\n",
                rs->sr_err,
                rs->sr_rspoid ? rs->sr_rspoid : "",
                rs->sr_rspdata != NULL ? rs->sr_rspdata->bv_len : 0 );
-#endif
 
-       rs->sr_tag = req2res( op->o_tag );
+       rs->sr_tag = slap_req2res( op->o_tag );
        rs->sr_msgid = (rs->sr_tag != LBER_SEQUENCE) ? op->o_msgid : 0;
 
-       send_ldap_response( op, rs );
+       if ( send_ldap_response( op, rs ) == SLAP_CB_CONTINUE ) {
+               Statslog( LDAP_DEBUG_STATS,
+                       "%s RESULT oid=%s err=%d text=%s\n",
+                       op->o_log_prefix, rs->sr_rspoid ? rs->sr_rspoid : "",
+                       rs->sr_err, rs->sr_text ? rs->sr_text : "", 0 );
+       }
 }
 
 void
 slap_send_ldap_intermediate( Operation *op, SlapReply *rs )
 {
        rs->sr_type = REP_INTERMEDIATE;
-#ifdef NEW_LOGGING
-       LDAP_LOG( OPERATION, ENTRY,
-               "send_ldap_intermediate: err=%d oid=%s len=%ld\n",
-               rs->sr_err, rs->sr_rspoid ? rs->sr_rspoid : "",
-               rs->sr_rspdata != NULL ? rs->sr_rspdata->bv_len : 0 );
-#else
        Debug( LDAP_DEBUG_TRACE,
                "send_ldap_intermediate: err=%d oid=%s len=%ld\n",
                rs->sr_err,
                rs->sr_rspoid ? rs->sr_rspoid : "",
                rs->sr_rspdata != NULL ? rs->sr_rspdata->bv_len : 0 );
-#endif
        rs->sr_tag = LDAP_RES_INTERMEDIATE;
        rs->sr_msgid = op->o_msgid;
-       send_ldap_response( op, rs );
+       if ( send_ldap_response( op, rs ) == SLAP_CB_CONTINUE ) {
+               Statslog( LDAP_DEBUG_STATS2,
+                       "%s INTERM oid=%s\n",
+                       op->o_log_prefix,
+                       rs->sr_rspoid ? rs->sr_rspoid : "", 0, 0, 0 );
+       }
 }
 
+/*
+ * returns:
+ *
+ * LDAP_SUCCESS                        entry sent
+ * LDAP_OTHER                  entry not sent (other)
+ * LDAP_INSUFFICIENT_ACCESS    entry not sent (ACL)
+ * LDAP_UNAVAILABLE            entry not sent (connection closed)
+ * LDAP_SIZELIMIT_EXCEEDED     entry not sent (caller must send sizelimitExceeded)
+ */
+
 int
 slap_send_search_entry( Operation *op, SlapReply *rs )
 {
        BerElementBuffer berbuf;
        BerElement      *ber = (BerElement *) &berbuf;
-       Attribute       *a, *aa = NULL;
-       int             i, j, rc=-1, bytes;
+       Attribute       *a;
+       int             i, j, rc = LDAP_UNAVAILABLE, bytes;
        char            *edn;
        int             userattrs;
-       int             opattrs;
        AccessControlState acl_state = ACL_STATE_INIT;
-#ifdef LDAP_SLAPI
-       /* Support for computed attribute plugins */
-       computed_attr_context    ctx;
-       AttributeName   *anp;
-#endif
+       int                      attrsonly;
        AttributeDescription *ad_entry = slap_schema.si_ad_entry;
 
        /* a_flags: array of flags telling if the i-th element will be
@@ -774,62 +736,56 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
         * e_flags: array of a_flags
         */
        char **e_flags = NULL;
-       
-       /* eventually will loop through generated operational attributes */
-       /* only subschemaSubentry and numSubordinates are implemented */
+
+       if ( op->ors_slimit >= 0 && rs->sr_nentries >= op->ors_slimit ) {
+               return LDAP_SIZELIMIT_EXCEEDED;
+       }
+
+       /* Every 64 entries, check for thread pool pause */
+       if ( ( ( rs->sr_nentries & 0x3f ) == 0x3f ) &&
+               ldap_pvt_thread_pool_query( &connection_pool,
+                       LDAP_PVT_THREAD_POOL_PARAM_PAUSING, &i ) == 0 && i )
+       {
+               return LDAP_BUSY;
+       }
+
+       rs->sr_type = REP_SEARCH;
+
+       /* eventually will loop through generated operational attribute types
+        * currently implemented types include:
+        *      entryDN, subschemaSubentry, and hasSubordinates */
        /* NOTE: moved before overlays callback circling because
         * they may modify entry and other stuff in rs */
        /* check for special all operational attributes ("+") type */
-       opattrs = ( rs->sr_attrs == NULL ) ? 0
-               : an_find( rs->sr_attrs, &AllOper );
+       /* FIXME: maybe we could set this flag at the operation level;
+        * however, in principle the caller of send_search_entry() may
+        * change the attribute list at each call */
+       rs->sr_attr_flags = slap_attr_flags( rs->sr_attrs );
 
-       aa = backend_operational( op, rs, opattrs );
+       rc = backend_operational( op, rs );
+       if ( rc ) {
+               goto error_return;
+       }
 
-       rs->sr_type = REP_SEARCH;
        if ( op->o_callback ) {
-               int             first;
-               slap_callback   *sc = op->o_callback,
-                               *sc_next = op->o_callback;
-
-               rc = SLAP_CB_CONTINUE;
-               for ( sc_next = op->o_callback; sc_next; op->o_callback = sc_next) {
-                       sc_next = op->o_callback->sc_next;
-                       if ( op->o_callback->sc_response ) {
-                               rc = op->o_callback->sc_response( op, rs );
-                               if ( first && op->o_callback == NULL ) {
-                                       sc = NULL;
-                               }
-                               if ( rc != SLAP_CB_CONTINUE ) break;
-                       }
-                       first = 0;
+               rc = slap_response_play( op, rs );
+               if ( rc != SLAP_CB_CONTINUE ) {
+                       goto error_return;
                }
-
-               op->o_callback = sc;
-               if ( rc != SLAP_CB_CONTINUE ) goto error_return;
        }
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( OPERATION, ENTRY, "send_search_entry: conn %lu dn=\"%s\"%s\n",
-               op->o_connid, rs->sr_entry->e_name.bv_val,
-               op->ors_attrsonly ? " (attrsOnly)" : "" );
-#else
        Debug( LDAP_DEBUG_TRACE, "=> send_search_entry: conn %lu dn=\"%s\"%s\n",
                op->o_connid, rs->sr_entry->e_name.bv_val,
                op->ors_attrsonly ? " (attrsOnly)" : "" );
-#endif
+
+       attrsonly = op->ors_attrsonly;
 
        if ( !access_allowed( op, rs->sr_entry, ad_entry, NULL, ACL_READ, NULL )) {
-#ifdef NEW_LOGGING
-               LDAP_LOG( ACL, INFO, 
-                       "send_search_entry: conn %lu access to entry (%s) not allowed\n", 
-                       op->o_connid, rs->sr_entry->e_name.bv_val, 0 );
-#else
                Debug( LDAP_DEBUG_ACL,
                        "send_search_entry: conn %lu access to entry (%s) not allowed\n", 
                        op->o_connid, rs->sr_entry->e_name.bv_val, 0 );
-#endif
 
-               rc = 1;
+               rc = LDAP_INSUFFICIENT_ACCESS;
                goto error_return;
        }
 
@@ -839,12 +795,10 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
                /* read back control or LDAP_CONNECTIONLESS */
            ber = op->o_res_ber;
        } else {
-               ber_len_t       siz, len;
                struct berval   bv;
 
-               entry_flatsize( rs->sr_entry, &siz, &len, 0 );
-               bv.bv_len = siz + len;
-               bv.bv_val = op->o_tmpalloc(bv.bv_len, op->o_tmpmemctx );
+               bv.bv_len = entry_flatsize( rs->sr_entry, 0 );
+               bv.bv_val = op->o_tmpalloc( bv.bv_len, op->o_tmpmemctx );
 
                ber_init2( ber, &bv, LBER_USE_DER );
                ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
@@ -871,24 +825,18 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
        }
 
        if ( rc == -1 ) {
-#ifdef NEW_LOGGING
-               LDAP_LOG( OPERATION, ERR, 
-                       "send_search_entry: conn %lu  ber_printf failed\n", 
-                       op->o_connid, 0, 0 );
-#else
                Debug( LDAP_DEBUG_ANY, 
                        "send_search_entry: conn %lu  ber_printf failed\n", 
                        op->o_connid, 0, 0 );
-#endif
 
                if ( op->o_res_ber == NULL ) ber_free_buf( ber );
                send_ldap_error( op, rs, LDAP_OTHER, "encoding DN error" );
+               rc = rs->sr_err;
                goto error_return;
        }
 
        /* check for special all user attributes ("*") type */
-       userattrs = ( rs->sr_attrs == NULL ) ? 1
-               : an_find( rs->sr_attrs, &AllUser );
+       userattrs = SLAP_USERATTRS( rs->sr_attr_flags );
 
        /* create an array of arrays of flags. Each flag corresponds
         * to particular value of attribute and equals 1 if value matches
@@ -907,15 +855,9 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
                        char    *a_flags;
                        e_flags = slap_sl_calloc ( 1, i * sizeof(char *) + k, op->o_tmpmemctx );
                        if( e_flags == NULL ) {
-#ifdef NEW_LOGGING
-                               LDAP_LOG( OPERATION, ERR, 
-                                       "send_search_entry: conn %lu slap_sl_calloc failed\n",
-                                       op->o_connid ? op->o_connid : 0, 0, 0 );
-#else
                        Debug( LDAP_DEBUG_ANY, 
                                        "send_search_entry: conn %lu slap_sl_calloc failed\n",
                                        op->o_connid ? op->o_connid : 0, 0, 0 );
-#endif
                                ber_free( ber, 1 );
        
                                send_ldap_error( op, rs, LDAP_OTHER, "out of memory" );
@@ -931,18 +873,13 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
        
                        rc = filter_matched_values(op, rs->sr_entry->e_attrs, &e_flags) ; 
                        if ( rc == -1 ) {
-#ifdef NEW_LOGGING
-                               LDAP_LOG( OPERATION, ERR, "send_search_entry: "
-                                       "conn %lu matched values filtering failed\n",
-                                       op->o_connid ? op->o_connid : 0, 0, 0 );
-#else
                                Debug( LDAP_DEBUG_ANY, "send_search_entry: "
                                        "conn %lu matched values filtering failed\n",
                                        op->o_connid ? op->o_connid : 0, 0, 0 );
-#endif
                                if ( op->o_res_ber == NULL ) ber_free_buf( ber );
                                send_ldap_error( op, rs, LDAP_OTHER,
                                        "matched values filtering error" );
+                               rc = rs->sr_err;
                                goto error_return;
                        }
                }
@@ -953,7 +890,7 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
                int finish = 0;
 
                if ( rs->sr_attrs == NULL ) {
-                       /* all attrs request, skip operational attributes */
+                       /* all user attrs request, skip operational attributes */
                        if( is_at_operational( desc->ad_type ) ) {
                                continue;
                        }
@@ -961,47 +898,42 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
                } else {
                        /* specific attrs requested */
                        if ( is_at_operational( desc->ad_type ) ) {
-                               if( !opattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
-                                       continue;
+                               /* if not explicitly requested */
+                               if ( !ad_inlist( desc, rs->sr_attrs )) {
+                                       /* if not all op attrs requested, skip */
+                                       if ( !SLAP_OPATTRS( rs->sr_attr_flags ))
+                                               continue;
+                                       /* if DSA-specific and replicating, skip */
+                                       if ( op->o_sync != SLAP_CONTROL_NONE &&
+                                               desc->ad_type->sat_usage == LDAP_SCHEMA_DSA_OPERATION )
+                                               continue;
                                }
-
                        } else {
-                               if (!userattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
+                               if ( !userattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
                                        continue;
                                }
                        }
                }
 
-               if ( op->ors_attrsonly ) {
+               if ( attrsonly ) {
                        if ( ! access_allowed( op, rs->sr_entry, desc, NULL,
                                ACL_READ, &acl_state ) )
                        {
-#ifdef NEW_LOGGING
-                               LDAP_LOG( ACL, INFO, 
-                                       "send_search_entry: conn %lu access to attribute %s not "
-                                       "allowed\n", op->o_connid, desc->ad_cname.bv_val, 0 );
-#else
                                Debug( LDAP_DEBUG_ACL, "send_search_entry: "
                                        "conn %lu access to attribute %s not allowed\n",
                                        op->o_connid, desc->ad_cname.bv_val, 0 );
-#endif
                                continue;
                        }
 
                        if (( rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname )) == -1 ) {
-#ifdef NEW_LOGGING
-                               LDAP_LOG( OPERATION, ERR, 
-                                       "send_search_entry: conn %lu  ber_printf failed\n", 
-                                       op->o_connid, 0, 0 );
-#else
                                Debug( LDAP_DEBUG_ANY, 
                                        "send_search_entry: conn %lu  ber_printf failed\n", 
                                        op->o_connid, 0, 0 );
-#endif
 
                                if ( op->o_res_ber == NULL ) ber_free_buf( ber );
                                send_ldap_error( op, rs, LDAP_OTHER,
                                        "encoding description error");
+                               rc = rs->sr_err;
                                goto error_return;
                        }
                        finish = 1;
@@ -1012,17 +944,10 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
                                if ( ! access_allowed( op, rs->sr_entry,
                                        desc, &a->a_nvals[i], ACL_READ, &acl_state ) )
                                {
-#ifdef NEW_LOGGING
-                                       LDAP_LOG( ACL, INFO, 
-                                               "send_search_entry: conn %lu "
-                                               "access to attribute %s, value #%d not allowed\n",
-                                               op->o_connid, desc->ad_cname.bv_val, i );
-#else
                                        Debug( LDAP_DEBUG_ACL,
                                                "send_search_entry: conn %lu "
                                                "access to attribute %s, value #%d not allowed\n",
                                                op->o_connid, desc->ad_cname.bv_val, i );
-#endif
 
                                        continue;
                                }
@@ -1035,65 +960,50 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
                                        first = 0;
                                        finish = 1;
                                        if (( rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname )) == -1 ) {
-#ifdef NEW_LOGGING
-                                               LDAP_LOG( OPERATION, ERR, 
-                                                       "send_search_entry: conn %lu  ber_printf failed\n", 
-                                                       op->o_connid, 0, 0 );
-#else
                                                Debug( LDAP_DEBUG_ANY,
                                                        "send_search_entry: conn %lu  ber_printf failed\n", 
                                                        op->o_connid, 0, 0 );
-#endif
 
                                                if ( op->o_res_ber == NULL ) ber_free_buf( ber );
                                                send_ldap_error( op, rs, LDAP_OTHER,
                                                        "encoding description error");
+                                               rc = rs->sr_err;
                                                goto error_return;
                                        }
                                }
                                if (( rc = ber_printf( ber, "O", &a->a_vals[i] )) == -1 ) {
-#ifdef NEW_LOGGING
-                                       LDAP_LOG( OPERATION, ERR, 
-                                               "send_search_entry: conn %lu  "
-                                               "ber_printf failed.\n", op->o_connid, 0, 0 );
-#else
                                        Debug( LDAP_DEBUG_ANY,
                                                "send_search_entry: conn %lu  "
                                                "ber_printf failed.\n", op->o_connid, 0, 0 );
-#endif
 
                                        if ( op->o_res_ber == NULL ) ber_free_buf( ber );
                                        send_ldap_error( op, rs, LDAP_OTHER,
                                                "encoding values error" );
+                                       rc = rs->sr_err;
                                        goto error_return;
                                }
                        }
                }
 
                if ( finish && ( rc = ber_printf( ber, /*{[*/ "]N}" )) == -1 ) {
-#ifdef NEW_LOGGING
-                       LDAP_LOG( OPERATION, ERR, 
-                               "send_search_entry: conn %lu ber_printf failed\n", 
-                               op->o_connid, 0, 0 );
-#else
                        Debug( LDAP_DEBUG_ANY,
                                "send_search_entry: conn %lu ber_printf failed\n", 
                                op->o_connid, 0, 0 );
-#endif
 
                        if ( op->o_res_ber == NULL ) ber_free_buf( ber );
                        send_ldap_error( op, rs, LDAP_OTHER, "encode end error" );
+                       rc = rs->sr_err;
                        goto error_return;
                }
        }
 
        /* NOTE: moved before overlays callback circling because
         * they may modify entry and other stuff in rs */
-       if ( aa != NULL && op->o_vrFilter != NULL ) {
+       if ( rs->sr_operational_attrs != NULL && op->o_vrFilter != NULL ) {
                int     k = 0;
                size_t  size;
 
-               for ( a = aa, i=0; a != NULL; a = a->a_next, i++ ) {
+               for ( a = rs->sr_operational_attrs, i=0; a != NULL; a = a->a_next, i++ ) {
                        for ( j = 0; a->a_vals[j].bv_val != NULL; j++ ) k++;
                }
 
@@ -1108,19 +1018,11 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
                        tmp = slap_sl_realloc( e_flags, i * sizeof(char *) + k,
                                op->o_tmpmemctx );
                        if ( tmp == NULL ) {
-#ifdef NEW_LOGGING
-                               LDAP_LOG( OPERATION, ERR, 
-                                       "send_search_entry: conn %lu "
-                                       "not enough memory "
-                                       "for matched values filtering\n", 
-                                       op->o_connid, 0, 0);
-#else
                                Debug( LDAP_DEBUG_ANY,
                                        "send_search_entry: conn %lu "
                                        "not enough memory "
                                        "for matched values filtering\n",
                                        op->o_connid, 0, 0 );
-#endif
                                if ( op->o_res_ber == NULL ) ber_free_buf( ber );
                                send_ldap_error( op, rs, LDAP_OTHER,
                                        "not enough memory for matched values filtering" );
@@ -1129,38 +1031,32 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
                        e_flags = tmp;
                        a_flags = (char *)(e_flags + i);
                        memset( a_flags, 0, k );
-                       for ( a = aa, i=0; a != NULL; a = a->a_next, i++ ) {
+                       for ( a = rs->sr_operational_attrs, i=0; a != NULL; a = a->a_next, i++ ) {
                                for ( j = 0; a->a_vals[j].bv_val != NULL; j++ );
                                e_flags[i] = a_flags;
                                a_flags += j;
                        }
-                       rc = filter_matched_values(op, aa, &e_flags) ; 
+                       rc = filter_matched_values(op, rs->sr_operational_attrs, &e_flags) ; 
                    
                        if ( rc == -1 ) {
-#ifdef NEW_LOGGING
-                               LDAP_LOG( OPERATION, ERR, 
-                                       "send_search_entry: conn %lu "
-                                       "matched values filtering failed\n", 
-                                       op->o_connid ? op->o_connid : 0, 0, 0);
-#else
                                Debug( LDAP_DEBUG_ANY,
                                        "send_search_entry: conn %lu "
                                        "matched values filtering failed\n", 
                                        op->o_connid ? op->o_connid : 0, 0, 0);
-#endif
                                if ( op->o_res_ber == NULL ) ber_free_buf( ber );
                                send_ldap_error( op, rs, LDAP_OTHER,
                                        "matched values filtering error" );
+                               rc = rs->sr_err;
                                goto error_return;
                        }
                }
        }
 
-       for (a = aa, j=0; a != NULL; a = a->a_next, j++ ) {
+       for (a = rs->sr_operational_attrs, j=0; a != NULL; a = a->a_next, j++ ) {
                AttributeDescription *desc = a->a_desc;
 
                if ( rs->sr_attrs == NULL ) {
-                       /* all attrs request, skip operational attributes */
+                       /* all user attrs request, skip operational attributes */
                        if( is_at_operational( desc->ad_type ) ) {
                                continue;
                        }
@@ -1168,11 +1064,13 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
                } else {
                        /* specific attrs requested */
                        if( is_at_operational( desc->ad_type ) ) {
-                               if( !opattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
+                               if ( !SLAP_OPATTRS( rs->sr_attr_flags ) && 
+                                       !ad_inlist( desc, rs->sr_attrs ) )
+                               {
                                        continue;
                                }
                        } else {
-                               if (!userattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
+                               if ( !userattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
                                        continue;
                                }
                        }
@@ -1181,55 +1079,36 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
                if ( ! access_allowed( op, rs->sr_entry, desc, NULL,
                        ACL_READ, &acl_state ) )
                {
-#ifdef NEW_LOGGING
-                       LDAP_LOG( ACL, INFO, 
-                               "send_search_entry: conn %lu "
-                               "access to attribute %s not allowed\n",
-                               op->o_connid, desc->ad_cname.bv_val, 0 );
-#else
                        Debug( LDAP_DEBUG_ACL,
                                "send_search_entry: conn %lu "
                                "access to attribute %s not allowed\n",
                                op->o_connid, desc->ad_cname.bv_val, 0 );
-#endif
 
                        continue;
                }
 
                rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname );
                if ( rc == -1 ) {
-#ifdef NEW_LOGGING
-                       LDAP_LOG( OPERATION, ERR, 
-                               "send_search_entry: conn %lu  "
-                               "ber_printf failed\n", op->o_connid, 0, 0 );
-#else
                        Debug( LDAP_DEBUG_ANY,
                                "send_search_entry: conn %lu  "
                                "ber_printf failed\n", op->o_connid, 0, 0 );
-#endif
 
                        if ( op->o_res_ber == NULL ) ber_free_buf( ber );
                        send_ldap_error( op, rs, LDAP_OTHER,
                                "encoding description error" );
+                       rc = rs->sr_err;
                        goto error_return;
                }
 
-               if ( ! op->ors_attrsonly ) {
+               if ( ! attrsonly ) {
                        for ( i = 0; a->a_vals[i].bv_val != NULL; i++ ) {
                                if ( ! access_allowed( op, rs->sr_entry,
                                        desc, &a->a_vals[i], ACL_READ, &acl_state ) )
                                {
-#ifdef NEW_LOGGING
-                                       LDAP_LOG( ACL, INFO, 
-                                               "send_search_entry: conn %lu "
-                                               "access to %s, value %d not allowed\n",
-                                               op->o_connid, desc->ad_cname.bv_val, i );
-#else
                                        Debug( LDAP_DEBUG_ACL,
                                                "send_search_entry: conn %lu "
                                                "access to %s, value %d not allowed\n",
                                                op->o_connid, desc->ad_cname.bv_val, i );
-#endif
 
                                        continue;
                                }
@@ -1239,81 +1118,31 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
                                }
 
                                if (( rc = ber_printf( ber, "O", &a->a_vals[i] )) == -1 ) {
-#ifdef NEW_LOGGING
-                                       LDAP_LOG( OPERATION, ERR, 
-                                               "send_search_entry: conn %lu  ber_printf failed\n", 
-                                               op->o_connid, 0, 0 );
-#else
                                        Debug( LDAP_DEBUG_ANY,
                                                "send_search_entry: conn %lu  ber_printf failed\n", 
                                                op->o_connid, 0, 0 );
-#endif
 
                                        if ( op->o_res_ber == NULL ) ber_free_buf( ber );
                                        send_ldap_error( op, rs, LDAP_OTHER,
                                                "encoding values error" );
+                                       rc = rs->sr_err;
                                        goto error_return;
                                }
                        }
                }
 
                if (( rc = ber_printf( ber, /*{[*/ "]N}" )) == -1 ) {
-#ifdef NEW_LOGGING
-                       LDAP_LOG( OPERATION, ERR, 
-                               "send_search_entry: conn %lu  ber_printf failed\n",
-                               op->o_connid, 0, 0 );
-#else
                        Debug( LDAP_DEBUG_ANY,
                                "send_search_entry: conn %lu  ber_printf failed\n",
                                op->o_connid, 0, 0 );
-#endif
 
                        if ( op->o_res_ber == NULL ) ber_free_buf( ber );
                        send_ldap_error( op, rs, LDAP_OTHER, "encode end error" );
+                       rc = rs->sr_err;
                        goto error_return;
                }
        }
 
-#ifdef LDAP_SLAPI
-       /*
-        * First, setup the computed attribute context that is
-        * passed to all plugins.
-        */
-       if ( op->o_pb ) {
-               ctx.cac_pb = op->o_pb;
-               ctx.cac_attrs = rs->sr_attrs;
-               ctx.cac_attrsonly = op->ors_attrsonly;
-               ctx.cac_userattrs = userattrs;
-               ctx.cac_opattrs = opattrs;
-               ctx.cac_acl_state = acl_state;
-               ctx.cac_private = (void *)ber;
-
-               /*
-                * For each client requested attribute, call the plugins.
-                */
-               if ( rs->sr_attrs != NULL ) {
-                       for ( anp = rs->sr_attrs; anp->an_name.bv_val != NULL; anp++ ) {
-                               rc = compute_evaluator( &ctx, anp->an_name.bv_val,
-                                       rs->sr_entry, slapi_int_compute_output_ber );
-                               if ( rc == 1 ) break;
-                       }
-               } else {
-                       /*
-                        * Technically we shouldn't be returning operational attributes
-                        * when the user requested only user attributes. We'll let the
-                        * plugin decide whether to be naughty or not.
-                        */
-                       rc = compute_evaluator( &ctx, "*",
-                               rs->sr_entry, slapi_int_compute_output_ber );
-               }
-               if ( rc == 1 ) {
-                       if ( op->o_res_ber == NULL ) ber_free_buf( ber );
-                       send_ldap_error( op, rs, LDAP_OTHER, "computed attribute error" );
-                       goto error_return;
-               }
-       }
-#endif /* LDAP_SLAPI */
-
        /* free e_flags */
        if ( e_flags ) {
                slap_sl_free( e_flags, op->o_tmpmemctx );
@@ -1340,87 +1169,63 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
        }
 
        if ( rc == -1 ) {
-#ifdef NEW_LOGGING
-               LDAP_LOG( OPERATION, ERR, 
-                       "send_search_entry: conn %lu ber_printf failed\n", 
-                       op->o_connid, 0, 0 );
-#else
                Debug( LDAP_DEBUG_ANY, "ber_printf failed\n", 0, 0, 0 );
-#endif
 
                if ( op->o_res_ber == NULL ) ber_free_buf( ber );
                send_ldap_error( op, rs, LDAP_OTHER, "encode entry end error" );
-               rc = 1;
+               rc = rs->sr_err;
                goto error_return;
        }
 
+       if ( rs->sr_flags & REP_ENTRY_MUSTRELEASE ) {
+               be_entry_release_rw( op, rs->sr_entry, 0 );
+               rs->sr_flags ^= REP_ENTRY_MUSTRELEASE;
+               rs->sr_entry = NULL;
+       }
+
        if ( op->o_res_ber == NULL ) {
                bytes = send_ldap_ber( op->o_conn, ber );
                ber_free_buf( ber );
 
                if ( bytes < 0 ) {
-#ifdef NEW_LOGGING
-                       LDAP_LOG( OPERATION, ERR, 
-                               "send_search_entry: conn %lu  ber write failed.\n", 
-                               op->o_connid, 0, 0 );
-#else
                        Debug( LDAP_DEBUG_ANY,
                                "send_search_entry: conn %lu  ber write failed.\n", 
                                op->o_connid, 0, 0 );
-#endif
 
-                       rc = -1;
+                       rc = LDAP_UNAVAILABLE;
                        goto error_return;
                }
                rs->sr_nentries++;
 
-               ldap_pvt_thread_mutex_lock( &num_sent_mutex );
-               num_bytes_sent += bytes;
-               num_entries_sent++;
-               num_pdu_sent++;
-               ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
+               ldap_pvt_thread_mutex_lock( &op->o_counters->sc_mutex );
+               ldap_pvt_mp_add_ulong( op->o_counters->sc_bytes, (unsigned long)bytes );
+               ldap_pvt_mp_add_ulong( op->o_counters->sc_entries, 1 );
+               ldap_pvt_mp_add_ulong( op->o_counters->sc_pdu, 1 );
+               ldap_pvt_thread_mutex_unlock( &op->o_counters->sc_mutex );
        }
 
-       Statslog( LDAP_DEBUG_STATS2, "conn=%lu op=%lu ENTRY dn=\"%s\"\n",
-           op->o_connid, op->o_opid, rs->sr_entry->e_dn, 0, 0 );
+       Statslog( LDAP_DEBUG_STATS2, "%s ENTRY dn=\"%s\"\n",
+           op->o_log_prefix, edn, 0, 0, 0 );
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( OPERATION, ENTRY, 
-               "send_search_entry: conn %lu exit.\n", op->o_connid, 0, 0 );
-#else
        Debug( LDAP_DEBUG_TRACE,
                "<= send_search_entry: conn %lu exit.\n", op->o_connid, 0, 0 );
-#endif
 
-       rc = 0;
+       rc = LDAP_SUCCESS;
 
 error_return:;
-       if ( e_flags ) {
-               slap_sl_free( e_flags, op->o_tmpmemctx );
+       if ( op->o_callback ) {
+               (void)slap_cleanup_play( op, rs );
        }
 
-       if ( aa ) {
-               attrs_free( aa );
+       if ( e_flags ) {
+               slap_sl_free( e_flags, op->o_tmpmemctx );
        }
 
-       if ( op->o_callback ) {
-               int             first;
-               slap_callback   *sc = op->o_callback,
-                               *sc_next = op->o_callback;
-
-               for ( sc_next = op->o_callback; sc_next; op->o_callback = sc_next) {
-                       sc_next = op->o_callback->sc_next;
-                       if ( op->o_callback->sc_cleanup ) {
-                               (void)op->o_callback->sc_cleanup( op, rs );
-                               if ( first && op->o_callback == NULL ) {
-                                       sc = NULL;
-                               }
-                       }
-                       first = 0;
-               }
-
-               op->o_callback = sc;
+       if ( rs->sr_operational_attrs ) {
+               attrs_free( rs->sr_operational_attrs );
+               rs->sr_operational_attrs = NULL;
        }
+       rs->sr_attr_flags = SLAP_ATTRS_UNDEFINED;
 
        /* FIXME: I think rs->sr_type should be explicitly set to
         * REP_SEARCH here. That's what it was when we entered this
@@ -1453,51 +1258,22 @@ slap_send_search_reference( Operation *op, SlapReply *rs )
 
        rs->sr_type = REP_SEARCHREF;
        if ( op->o_callback ) {
-               int             first;
-               slap_callback   *sc = op->o_callback,
-                               *sc_next = op->o_callback;
-
-               rc = SLAP_CB_CONTINUE;
-               for ( sc_next = op->o_callback; sc_next; op->o_callback = sc_next) {
-                       sc_next = op->o_callback->sc_next;
-                       if ( op->o_callback->sc_response ) {
-                               rc = op->o_callback->sc_response( op, rs );
-                               if ( first && op->o_callback == NULL ) {
-                                       sc = NULL;
-                               }
-                               if ( rc != SLAP_CB_CONTINUE ) break;
-                       }
-                       first = 0;
+               rc = slap_response_play( op, rs );
+               if ( rc != SLAP_CB_CONTINUE ) {
+                       goto rel;
                }
-
-               op->o_callback = sc;
-               if ( rc != SLAP_CB_CONTINUE ) goto rel;
        }
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( OPERATION, ENTRY, 
-               "send_search_reference: conn %lu  dn=\"%s\"\n", 
-               op->o_connid,
-               rs->sr_entry ? rs->sr_entry->e_name.bv_val : "(null)", 0 );
-#else
        Debug( LDAP_DEBUG_TRACE,
                "=> send_search_reference: dn=\"%s\"\n",
                rs->sr_entry ? rs->sr_entry->e_name.bv_val : "(null)", 0, 0 );
-#endif
 
        if (  rs->sr_entry && ! access_allowed( op, rs->sr_entry,
                ad_entry, NULL, ACL_READ, NULL ) )
        {
-#ifdef NEW_LOGGING
-               LDAP_LOG( ACL, INFO, 
-                       "send_search_reference: conn %lu        "
-                       "access to entry %s not allowed\n",
-                       op->o_connid, rs->sr_entry->e_dn, 0 );
-#else
                Debug( LDAP_DEBUG_ACL,
                        "send_search_reference: access to entry not allowed\n",
                    0, 0, 0 );
-#endif
                rc = 1;
                goto rel;
        }
@@ -1505,46 +1281,26 @@ slap_send_search_reference( Operation *op, SlapReply *rs )
        if ( rs->sr_entry && ! access_allowed( op, rs->sr_entry,
                ad_ref, NULL, ACL_READ, NULL ) )
        {
-#ifdef NEW_LOGGING
-               LDAP_LOG( ACL, INFO, 
-                       "send_search_reference: conn %lu access "
-                       "to reference not allowed.\n", op->o_connid, 0, 0 );
-#else
                Debug( LDAP_DEBUG_ACL,
                        "send_search_reference: access "
                        "to reference not allowed\n",
                    0, 0, 0 );
-#endif
                rc = 1;
                goto rel;
        }
 
-#ifdef LDAP_CONTROL_X_DOMAIN_SCOPE
        if( op->o_domain_scope ) {
-#ifdef NEW_LOGGING
-               LDAP_LOG( OPERATION, ERR, 
-                       "send_search_reference: conn %lu domainScope control in (%s).\n",
-                       op->o_connid, rs->sr_entry->e_dn, 0 );
-#else
                Debug( LDAP_DEBUG_ANY,
                        "send_search_reference: domainScope control in (%s)\n", 
                        rs->sr_entry->e_dn, 0, 0 );
-#endif
                rc = 0;
                goto rel;
        }
-#endif
 
        if( rs->sr_ref == NULL ) {
-#ifdef NEW_LOGGING
-               LDAP_LOG( OPERATION, ERR, 
-                       "send_search_reference: conn %lu null ref in (%s).\n",
-                       op->o_connid, rs->sr_entry ? rs->sr_entry->e_dn : "(null)", 0 );
-#else
                Debug( LDAP_DEBUG_ANY,
                        "send_search_reference: null ref in (%s)\n", 
                        rs->sr_entry ? rs->sr_entry->e_dn : "(null)", 0, 0 );
-#endif
                rc = 1;
                goto rel;
        }
@@ -1581,14 +1337,8 @@ slap_send_search_reference( Operation *op, SlapReply *rs )
        }
 
        if ( rc == -1 ) {
-#ifdef NEW_LOGGING
-               LDAP_LOG( OPERATION, ERR, 
-                       "send_search_reference: conn %lu        "
-                       "ber_printf failed.\n", op->o_connid, 0, 0 );
-#else
                Debug( LDAP_DEBUG_ANY,
                        "send_search_reference: ber_printf failed\n", 0, 0, 0 );
-#endif
 
 #ifdef LDAP_CONNECTIONLESS
                if (!op->o_conn || op->o_conn->c_is_udp == 0)
@@ -1598,49 +1348,50 @@ slap_send_search_reference( Operation *op, SlapReply *rs )
                goto rel;
        }
 
+       rc = 0;
+       if ( rs->sr_flags & REP_ENTRY_MUSTRELEASE ) {
+               be_entry_release_rw( op, rs->sr_entry, 0 );
+               rs->sr_flags ^= REP_ENTRY_MUSTRELEASE;
+               rs->sr_entry = NULL;
+       }
+
 #ifdef LDAP_CONNECTIONLESS
        if (!op->o_conn || op->o_conn->c_is_udp == 0) {
 #endif
        bytes = send_ldap_ber( op->o_conn, ber );
        ber_free_buf( ber );
 
-       ldap_pvt_thread_mutex_lock( &num_sent_mutex );
-       num_bytes_sent += bytes;
-       num_refs_sent++;
-       num_pdu_sent++;
-       ldap_pvt_thread_mutex_unlock( &num_sent_mutex );
+       if ( bytes < 0 ) {
+               rc = LDAP_UNAVAILABLE;
+       } else {
+               ldap_pvt_thread_mutex_lock( &op->o_counters->sc_mutex );
+               ldap_pvt_mp_add_ulong( op->o_counters->sc_bytes, (unsigned long)bytes );
+               ldap_pvt_mp_add_ulong( op->o_counters->sc_refs, 1 );
+               ldap_pvt_mp_add_ulong( op->o_counters->sc_pdu, 1 );
+               ldap_pvt_thread_mutex_unlock( &op->o_counters->sc_mutex );
+       }
 #ifdef LDAP_CONNECTIONLESS
        }
 #endif
+       if ( rs->sr_ref != NULL ) {
+               int     r;
+
+               for ( r = 0; !BER_BVISNULL( &rs->sr_ref[ r ] ); r++ ) {
+                       Statslog( LDAP_DEBUG_STATS2, "%s REF #%d \"%s\"\n",
+                               op->o_log_prefix, r, rs->sr_ref[0].bv_val,
+                               0, 0 );
+               }
 
-       Statslog( LDAP_DEBUG_STATS2, "conn=%lu op=%lu REF dn=\"%s\"\n",
-               op->o_connid, op->o_opid, rs->sr_entry ? rs->sr_entry->e_dn : "(null)", 0, 0 );
+       } else {
+               Statslog( LDAP_DEBUG_STATS2, "%s REF \"(null)\"\n",
+                       op->o_log_prefix, 0, 0, 0, 0 );
+       }
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( OPERATION, ENTRY, 
-               "send_search_reference: conn %lu exit.\n", op->o_connid, 0, 0 );
-#else
        Debug( LDAP_DEBUG_TRACE, "<= send_search_reference\n", 0, 0, 0 );
-#endif
 
 rel:
        if ( op->o_callback ) {
-               int             first;
-               slap_callback   *sc = op->o_callback,
-                               *sc_next = op->o_callback;
-
-               for ( sc_next = op->o_callback; sc_next; op->o_callback = sc_next) {
-                       sc_next = op->o_callback->sc_next;
-                       if ( op->o_callback->sc_cleanup ) {
-                               (void)op->o_callback->sc_cleanup( op, rs );
-                               if ( first && op->o_callback == NULL ) {
-                                       sc = NULL;
-                               }
-                       }
-                       first = 0;
-               }
-
-               op->o_callback = sc;
+               (void)slap_cleanup_play( op, rs );
        }
 
        return rc;
@@ -1651,8 +1402,7 @@ str2result(
     char       *s,
     int                *code,
     char       **matched,
-    char       **info
-)
+    char       **info )
 {
        int     rc;
        char    *c;
@@ -1662,13 +1412,8 @@ str2result(
        *info = NULL;
 
        if ( strncasecmp( s, "RESULT", STRLENOF( "RESULT" ) ) != 0 ) {
-#ifdef NEW_LOGGING
-               LDAP_LOG( OPERATION, INFO, 
-                       "str2result: (%s), expecting \"RESULT\"\n", s, 0, 0 );
-#else
                Debug( LDAP_DEBUG_ANY, "str2result (%s) expecting \"RESULT\"\n",
                    s, 0, 0 );
-#endif
 
                return( -1 );
        }
@@ -1684,9 +1429,43 @@ str2result(
                }
 
                if ( strncasecmp( s, "code", STRLENOF( "code" ) ) == 0 ) {
-                       if ( c != NULL ) {
-                               *code = atoi( c );
+                       char    *next = NULL;
+                       long    retcode;
+
+                       if ( c == NULL ) {
+                               Debug( LDAP_DEBUG_ANY, "str2result (%s) missing value\n",
+                                   s, 0, 0 );
+                               rc = -1;
+                               continue;
+                       }
+
+                       while ( isspace( (unsigned char) c[ 0 ] ) ) c++;
+                       if ( c[ 0 ] == '\0' ) {
+                               Debug( LDAP_DEBUG_ANY, "str2result (%s) missing or empty value\n",
+                                   s, 0, 0 );
+                               rc = -1;
+                               continue;
+                       }
+
+                       retcode = strtol( c, &next, 10 );
+                       if ( next == NULL || next == c ) {
+                               Debug( LDAP_DEBUG_ANY, "str2result (%s) unable to parse value\n",
+                                   s, 0, 0 );
+                               rc = -1;
+                               continue;
                        }
+
+                       while ( isspace( (unsigned char) next[ 0 ] ) ) next++;
+                       if ( next[ 0 ] != '\0' ) {
+                               Debug( LDAP_DEBUG_ANY, "str2result (%s) extra cruft after value\n",
+                                   s, 0, 0 );
+                               rc = -1;
+                               continue;
+                       }
+
+                       /* FIXME: what if it's larger that max int? */
+                       *code = (int)retcode;
+
                } else if ( strncasecmp( s, "matched", STRLENOF( "matched" ) ) == 0 ) {
                        if ( c != NULL ) {
                                *matched = c;
@@ -1696,12 +1475,8 @@ str2result(
                                *info = c;
                        }
                } else {
-#ifdef NEW_LOGGING
-                       LDAP_LOG( OPERATION, INFO, "str2result: (%s) unknown.\n", s, 0, 0 );
-#else
                        Debug( LDAP_DEBUG_ANY, "str2result (%s) unknown\n",
                            s, 0, 0 );
-#endif
 
                        rc = -1;
                }
@@ -1722,32 +1497,28 @@ int slap_read_controls(
        BerElementBuffer berbuf;
        BerElement *ber = (BerElement *) &berbuf;
        LDAPControl c;
-       ber_len_t       siz, len;
        Operation myop;
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( OPERATION, INFO, "slap_read_controls: (%s) %s\n",
-               oid->bv_val, e->e_dn, 0 );
-#else
        Debug( LDAP_DEBUG_ANY, "slap_read_controls: (%s) %s\n",
                oid->bv_val, e->e_dn, 0 );
-#endif
 
        rs->sr_entry = e;
        rs->sr_attrs = ( oid == &slap_pre_read_bv ) ?
                op->o_preread_attrs : op->o_postread_attrs; 
 
-       entry_flatsize( rs->sr_entry, &siz, &len, 0 );
-       bv.bv_len = siz + len;
-       bv.bv_val = op->o_tmpalloc(bv.bv_len, op->o_tmpmemctx );
+       bv.bv_len = entry_flatsize( rs->sr_entry, 0 );
+       bv.bv_val = op->o_tmpalloc( bv.bv_len, op->o_tmpmemctx );
 
        ber_init2( ber, &bv, LBER_USE_DER );
        ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
 
        /* create new operation */
        myop = *op;
-       myop.o_bd = NULL;
+       /* FIXME: o_bd needed for ACL */
+       myop.o_bd = op->o_bd;
        myop.o_res_ber = ber;
+       myop.o_callback = NULL;
+       myop.ors_slimit = 1;
 
        rc = slap_send_search_entry( &myop, rs );
        if( rc ) return rc;
@@ -1759,12 +1530,12 @@ int slap_read_controls(
        c.ldctl_oid = oid->bv_val;
        c.ldctl_iscritical = 0;
 
-       if ( ctrl == NULL ) {
+       if ( *ctrl == NULL ) {
                /* first try */
                *ctrl = (LDAPControl *) slap_sl_calloc( 1, sizeof(LDAPControl), NULL );
        } else {
                /* retry: free previous try */
-               slap_sl_free( (*ctrl)->ldctl_value.bv_val, &op->o_tmpmemctx );
+               slap_sl_free( (*ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
        }
 
        **ctrl = c;
@@ -1817,3 +1588,22 @@ slap_map_api2result( SlapReply *rs )
        }
 }
 
+
+slap_mask_t
+slap_attr_flags( AttributeName *an )
+{
+       slap_mask_t     flags = SLAP_ATTRS_UNDEFINED;
+
+       if ( an == NULL ) {
+               flags |= ( SLAP_OPATTRS_NO | SLAP_USERATTRS_YES );
+
+       } else {
+               flags |= an_find( an, &AllOper )
+                       ? SLAP_OPATTRS_YES : SLAP_OPATTRS_NO;
+               flags |= an_find( an, &AllUser )
+                       ? SLAP_USERATTRS_YES : SLAP_USERATTRS_NO;
+       }
+
+       return flags;
+}
+