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>
34 #include "lutil_ldap.h"
36 const struct berval slap_ldapsync_bv = BER_BVC("ldapsync");
37 const struct berval slap_ldapsync_cn_bv = BER_BVC("cn=ldapsync");
40 slap_get_commit_csn( Operation *op, struct berval *csn )
42 struct slap_csn_entry *csne = NULL, *committed_csne = NULL;
48 ldap_pvt_thread_mutex_lock( &op->o_bd->be_pcl_mutex );
50 LDAP_TAILQ_FOREACH( csne, &op->o_bd->be_pending_csn_list, csn_link ) {
51 if ( csne->opid == op->o_opid && csne->connid == op->o_connid )
56 csne->state = SLAP_CSN_COMMIT;
59 LDAP_TAILQ_FOREACH( csne, &op->o_bd->be_pending_csn_list, csn_link ) {
60 if ( csne->state == SLAP_CSN_COMMIT )
61 committed_csne = csne;
62 if ( csne->state == SLAP_CSN_PENDING )
66 ldap_pvt_thread_mutex_unlock( &op->o_bd->be_pcl_mutex );
68 if ( committed_csne ) {
69 ber_dupbv( csn, committed_csne->csn );
74 slap_rewind_commit_csn( Operation *op )
76 struct slap_csn_entry *csne = NULL;
78 ldap_pvt_thread_mutex_lock( &op->o_bd->be_pcl_mutex );
80 LDAP_TAILQ_FOREACH( csne, &op->o_bd->be_pending_csn_list, csn_link ) {
81 if ( csne->opid == op->o_opid && csne->connid == op->o_connid )
86 csne->state = SLAP_CSN_PENDING;
89 ldap_pvt_thread_mutex_unlock( &op->o_bd->be_pcl_mutex );
93 slap_graduate_commit_csn( Operation *op )
95 struct slap_csn_entry *csne = NULL;
100 if ( op->o_bd == NULL )
103 ldap_pvt_thread_mutex_lock( &op->o_bd->be_pcl_mutex );
105 LDAP_TAILQ_FOREACH( csne, &op->o_bd->be_pending_csn_list, csn_link ) {
106 if ( csne->opid == op->o_opid && csne->connid == op->o_connid )
111 LDAP_TAILQ_REMOVE( &op->o_bd->be_pending_csn_list, csne, csn_link );
112 ch_free( csne->csn->bv_val );
113 ch_free( csne->csn );
117 ldap_pvt_thread_mutex_unlock( &op->o_bd->be_pcl_mutex );
122 static struct berval ocbva[] = {
125 BER_BVC("syncProviderSubentry"),
130 slap_create_context_csn_entry(
132 struct berval *context_csn
140 e = ( Entry * ) ch_calloc( 1, sizeof( Entry ));
142 attr_merge( e, slap_schema.si_ad_objectClass, ocbva, NULL );
144 attr_merge_one( e, slap_schema.si_ad_structuralObjectClass, &ocbva[1], NULL );
146 attr_merge_one( e, slap_schema.si_ad_cn, (struct berval *)&slap_ldapsync_bv, NULL );
149 attr_merge_one( e, slap_schema.si_ad_contextCSN,
154 bv.bv_len = sizeof("{}")-1;
155 attr_merge_one( e, slap_schema.si_ad_subtreeSpecification, &bv, NULL );
157 build_new_dn( &e->e_name, &be->be_nsuffix[0], (struct berval *)&slap_ldapsync_cn_bv, NULL );
158 ber_dupbv( &e->e_nname, &e->e_name );
164 slap_contextcsn_callback(
169 if ( rs->sr_type != REP_SEARCH ) {
170 *((int*)op->o_callback->sc_private) = 0;
172 *((int*)op->o_callback->sc_private) = 1;
186 struct slap_csn_entry *pending;
191 if ( manage_ctxcsn ) {
192 pending = (struct slap_csn_entry *) ch_calloc( 1, sizeof( struct slap_csn_entry ));
195 csn->bv_len = lutil_csnstr( csnbuf, len, 0, 0 );
196 csn->bv_val = csnbuf;
198 if ( manage_ctxcsn ) {
199 ldap_pvt_thread_mutex_lock( &op->o_bd->be_pcl_mutex );
200 pending->csn = ber_dupbv( NULL, csn );
201 pending->connid = op->o_connid;
202 pending->opid = op->o_opid;
203 pending->state = SLAP_CSN_PENDING;
204 LDAP_TAILQ_INSERT_TAIL( &op->o_bd->be_pending_csn_list, pending, csn_link );
205 ldap_pvt_thread_mutex_unlock( &op->o_bd->be_pcl_mutex );