mirror of
https://git.openldap.org/openldap/openldap.git
synced 2024-12-21 03:10:25 +08:00
279760a467
- memory based session history to minimize sync traffic
- when client is covered by a session history, then
[add+delete] mode is used
- when client cookie is not covered by the history because
the cookie is too outdated and/or the history is truncated,
[add+present] mode is used
2. Sync cookie syntax : comma separated name=value pairs
- csn=yyyymmddhh:mm:ssZ#0xSSSS#r#ssssr,sid=nnn
141 lines
3.8 KiB
C
141 lines
3.8 KiB
C
/* $OpenLDAP$ */
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/*
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* Session History Management Routines
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*/
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/*
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* Copyright 2003 The OpenLDAP Foundation, All Rights Reserved.
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* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
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*/
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/* Copyright (c) 2003 by International Business Machines, Inc.
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*
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* International Business Machines, Inc. (hereinafter called IBM) grants
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* permission under its copyrights to use, copy, modify, and distribute this
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* Software with or without fee, provided that the above copyright notice and
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* all paragraphs of this notice appear in all copies, and that the name of IBM
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* not be used in connection with the marketing of any product incorporating
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* the Software or modifications thereof, without specific, written prior
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* permission.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", AND IBM DISCLAIMS ALL WARRANTIES,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE. IN NO EVENT SHALL IBM BE LIABLE FOR ANY SPECIAL,
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* DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE, EVEN
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* IF IBM IS APPRISED OF THE POSSIBILITY OF SUCH DAMAGES.
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*/
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#include "portable.h"
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#include <stdio.h>
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#include <ac/string.h>
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#include <ac/socket.h>
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#include "ldap_pvt.h"
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#include "lutil.h"
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#include "slap.h"
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#include "lutil_ldap.h"
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int
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slap_send_session_log(
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Operation *op,
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Operation *sop,
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SlapReply *rs
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)
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{
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Entry e;
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AttributeName uuid_attr[2];
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LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
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int num_ctrls = 0;
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struct slog_entry *slog_e;
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int result;
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int match;
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const char *text;
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uuid_attr[0].an_desc = NULL;
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uuid_attr[0].an_oc = NULL;
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uuid_attr[0].an_name.bv_len = 0;
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uuid_attr[0].an_name.bv_val = NULL;
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e.e_attrs = NULL;
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e.e_id = 0;
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e.e_name.bv_val = NULL;
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e.e_name.bv_len = 0;
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e.e_nname.bv_val = NULL;
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e.e_nname.bv_len = 0;
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for( num_ctrls = 0;
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num_ctrls < SLAP_MAX_RESPONSE_CONTROLS;
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num_ctrls++ ) {
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ctrls[num_ctrls] = NULL;
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}
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num_ctrls = 0;
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LDAP_STAILQ_FOREACH( slog_e, &sop->o_sync_slog_list, sl_link ) {
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if ( op->o_sync_state.ctxcsn->bv_val == NULL ) {
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match = 1;
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} else {
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value_match( &match, slap_schema.si_ad_entryCSN,
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slap_schema.si_ad_entryCSN->ad_type->sat_ordering,
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SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
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op->o_sync_state.ctxcsn, &slog_e->sl_csn, &text );
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}
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if ( match < 0 ) {
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rs->sr_err = slap_build_sync_state_ctrl_from_slog( op, rs, slog_e,
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LDAP_SYNC_DELETE, ctrls, num_ctrls++, 0, NULL );
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if ( rs->sr_err != LDAP_SUCCESS )
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return rs->sr_err;
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if ( e.e_name.bv_val )
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ch_free( e.e_name.bv_val );
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ber_dupbv( &e.e_name, &slog_e->sl_name );
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rs->sr_entry = &e;
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rs->sr_attrs = uuid_attr;
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rs->sr_ctrls = ctrls;
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result = send_search_entry( op, rs );
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ch_free( ctrls[num_ctrls-1]->ldctl_value.bv_val );
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ch_free( ctrls[--num_ctrls] );
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ctrls[num_ctrls] = NULL;
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rs->sr_ctrls = NULL;
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}
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}
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}
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int
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slap_add_session_log(
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Operation *op,
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Operation *sop,
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Entry *e
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)
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{
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struct slog_entry* slog_e;
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Attribute *a;
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slog_e = (struct slog_entry *) ch_calloc (1, sizeof( struct slog_entry ));
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a = attr_find( e->e_attrs, slap_schema.si_ad_entryUUID );
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ber_dupbv( &slog_e->sl_uuid, &a->a_vals[0] );
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ber_dupbv( &slog_e->sl_name, &e->e_name );
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ber_dupbv( &slog_e->sl_csn, &op->o_sync_csn );
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LDAP_STAILQ_INSERT_TAIL( &sop->o_sync_slog_list, slog_e, sl_link );
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sop->o_sync_slog_len++;
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while ( sop->o_sync_slog_len > sop->o_sync_slog_size ) {
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slog_e = LDAP_STAILQ_FIRST( &sop->o_sync_slog_list );
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if ( sop->o_sync_slog_omitcsn.bv_val ) {
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ch_free( sop->o_sync_slog_omitcsn.bv_val );
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}
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ber_dupbv( &sop->o_sync_slog_omitcsn, &slog_e->sl_csn );
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LDAP_STAILQ_REMOVE_HEAD( &sop->o_sync_slog_list, sl_link );
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ch_free( slog_e->sl_uuid.bv_val );
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ch_free( slog_e->sl_name.bv_val );
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ch_free( slog_e->sl_csn.bv_val );
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ch_free( slog_e );
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sop->o_sync_slog_len--;
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}
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return LDAP_SUCCESS;
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}
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