3 * Context CSN Management Routines
5 /* Copyright (c) 2003 by International Business Machines, Inc.
7 * International Business Machines, Inc. (hereinafter called IBM) grants
8 * permission under its copyrights to use, copy, modify, and distribute this
9 * Software with or without fee, provided that the above copyright notice and
10 * all paragraphs of this notice appear in all copies, and that the name of IBM
11 * not be used in connection with the marketing of any product incorporating
12 * the Software or modifications thereof, without specific, written prior
15 * THE SOFTWARE IS PROVIDED "AS IS", AND IBM DISCLAIMS ALL WARRANTIES,
16 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
17 * PARTICULAR PURPOSE. IN NO EVENT SHALL IBM BE LIABLE FOR ANY SPECIAL,
18 * DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER ARISING
19 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE, EVEN
20 * IF IBM IS APPRISED OF THE POSSIBILITY OF SUCH DAMAGES.
27 #include <ac/string.h>
28 #include <ac/socket.h>
33 #include "lutil_ldap.h"
35 const struct berval slap_ldapsync_bv = BER_BVC("ldapsync");
36 const struct berval slap_ldapsync_cn_bv = BER_BVC("cn=ldapsync");
39 slap_get_commit_csn( Operation *op, struct berval *csn )
41 struct slap_csn_entry *csne = NULL, *committed_csne = NULL;
47 ldap_pvt_thread_mutex_lock( &op->o_bd->be_pcl_mutex );
49 LDAP_TAILQ_FOREACH( csne, &op->o_bd->be_pending_csn_list, csn_link ) {
50 if ( csne->opid == op->o_opid && csne->connid == op->o_connid )
55 csne->state = SLAP_CSN_COMMIT;
58 LDAP_TAILQ_FOREACH( csne, &op->o_bd->be_pending_csn_list, csn_link ) {
59 if ( csne->state == SLAP_CSN_COMMIT )
60 committed_csne = csne;
61 if ( csne->state == SLAP_CSN_PENDING )
65 ldap_pvt_thread_mutex_unlock( &op->o_bd->be_pcl_mutex );
67 if ( committed_csne ) {
68 ber_dupbv( csn, committed_csne->csn );
73 slap_rewind_commit_csn( Operation *op )
75 struct slap_csn_entry *csne = NULL;
77 ldap_pvt_thread_mutex_lock( &op->o_bd->be_pcl_mutex );
79 LDAP_TAILQ_FOREACH( csne, &op->o_bd->be_pending_csn_list, csn_link ) {
80 if ( csne->opid == op->o_opid && csne->connid == op->o_connid )
85 csne->state = SLAP_CSN_PENDING;
88 ldap_pvt_thread_mutex_unlock( &op->o_bd->be_pcl_mutex );
92 slap_graduate_commit_csn( Operation *op )
94 struct slap_csn_entry *csne = NULL;
99 if ( op->o_bd == NULL )
102 ldap_pvt_thread_mutex_lock( &op->o_bd->be_pcl_mutex );
104 LDAP_TAILQ_FOREACH( csne, &op->o_bd->be_pending_csn_list, csn_link ) {
105 if ( csne->opid == op->o_opid && csne->connid == op->o_connid )
110 LDAP_TAILQ_REMOVE( &op->o_bd->be_pending_csn_list, csne, csn_link );
111 ch_free( csne->csn->bv_val );
112 ch_free( csne->csn );
116 ldap_pvt_thread_mutex_unlock( &op->o_bd->be_pcl_mutex );
121 static struct berval ocbva[] = {
124 BER_BVC("syncProviderSubentry"),
129 slap_create_context_csn_entry(
131 struct berval *context_csn
139 e = ( Entry * ) ch_calloc( 1, sizeof( Entry ));
141 attr_merge( e, slap_schema.si_ad_objectClass, ocbva, NULL );
143 attr_merge_one( e, slap_schema.si_ad_structuralObjectClass, &ocbva[1], NULL );
145 attr_merge_one( e, slap_schema.si_ad_cn, (struct berval *)&slap_ldapsync_bv, NULL );
148 attr_merge_one( e, slap_schema.si_ad_contextCSN,
153 bv.bv_len = sizeof("{}")-1;
154 attr_merge_one( e, slap_schema.si_ad_subtreeSpecification, &bv, NULL );
156 build_new_dn( &e->e_name, &be->be_nsuffix[0], (struct berval *)&slap_ldapsync_cn_bv, NULL );
157 ber_dupbv( &e->e_nname, &e->e_name );
163 slap_contextcsn_callback(
168 if ( rs->sr_type != REP_SEARCH ) {
169 *((int*)op->o_callback->sc_private) = 0;
171 *((int*)op->o_callback->sc_private) = 1;
185 struct slap_csn_entry *pending;
190 csn->bv_len = lutil_csnstr( csnbuf, len, 0, 0 );
191 csn->bv_val = csnbuf;
193 if ( manage_ctxcsn ) {
194 pending = (struct slap_csn_entry *) ch_calloc( 1, sizeof( struct slap_csn_entry ));
195 ldap_pvt_thread_mutex_lock( &op->o_bd->be_pcl_mutex );
196 ber_dupbv( &op->o_sync_csn, csn );
197 pending->csn = ber_dupbv( NULL, csn );
198 pending->connid = op->o_connid;
199 pending->opid = op->o_opid;
200 pending->state = SLAP_CSN_PENDING;
201 LDAP_TAILQ_INSERT_TAIL( &op->o_bd->be_pending_csn_list, pending, csn_link );
202 ldap_pvt_thread_mutex_unlock( &op->o_bd->be_pcl_mutex );