op->o_ssf = ( op->o_sasl_ssf > op->o_tls_ssf )
? op->o_sasl_ssf : op->o_tls_ssf;
-
+ /* We've just started up, or the remote server hasn't sent us
+ * any meaningful state.
+ */
if ( BER_BVISNULL( &si->si_syncCookie.octet_str ) ) {
int i;
- ldap_pvt_thread_mutex_lock( &si->si_cookieState->cs_mutex );
- if ( !si->si_cookieState->cs_num ) {
- /* get contextCSN shadow replica from database */
- BerVarray csn = NULL;
- void *ctx = op->o_tmpmemctx;
-
- op->o_req_ndn = op->o_bd->be_nsuffix[0];
- op->o_req_dn = op->o_req_ndn;
-
- /* try to read stored contextCSN */
- op->o_tmpmemctx = NULL;
- backend_attribute( op, NULL, &op->o_req_ndn,
- slap_schema.si_ad_contextCSN, &csn, ACL_READ );
- op->o_tmpmemctx = ctx;
- if ( csn ) {
- si->si_cookieState->cs_vals = csn;
- for (i=0; !BER_BVISNULL( &csn[i] ); i++);
- si->si_cookieState->cs_num = i;
- si->si_cookieState->cs_sids = slap_parse_csn_sids( csn, i );
- }
- }
- if ( si->si_cookieState->cs_num ) {
- ber_bvarray_free( si->si_syncCookie.ctxcsn );
- if ( ber_bvarray_dup_x( &si->si_syncCookie.ctxcsn,
- si->si_cookieState->cs_vals, NULL )) {
- rc = LDAP_NO_MEMORY;
- goto done;
- }
- si->si_syncCookie.numcsns = si->si_cookieState->cs_num;
- si->si_syncCookie.sids = ch_malloc( si->si_cookieState->cs_num *
- sizeof(int) );
- for ( i=0; i<si->si_syncCookie.numcsns; i++ )
- si->si_syncCookie.sids[i] = si->si_cookieState->cs_sids[i];
- }
- ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex );
-
si->si_syncCookie.rid = si->si_rid;
+ si->si_syncCookie.sid = SLAP_SINGLE_SHADOW( si->si_be ) ? -1 :
+ slap_serverID;
LDAP_STAILQ_FOREACH( sc, &slap_sync_cookie, sc_next ) {
if ( si->si_rid == sc->rid ) {
/* ctxcsn wasn't parsed yet, do it now */
slap_parse_sync_cookie( sc, op->o_tmpmemctx );
- if ( !sc->ctxcsn ) {
- /* if cmdline cookie does not have ctxcsn */
- /* component, set it to an initial value */
- slap_init_sync_cookie_ctxcsn( sc );
- }
slap_sync_cookie_free( &si->si_syncCookie, 0 );
slap_dup_sync_cookie( &si->si_syncCookie, sc );
slap_sync_cookie_free( sc, 1 );
+ } else {
+ ldap_pvt_thread_mutex_lock( &si->si_cookieState->cs_mutex );
+ if ( !si->si_cookieState->cs_num ) {
+ /* get contextCSN shadow replica from database */
+ BerVarray csn = NULL;
+ void *ctx = op->o_tmpmemctx;
+
+ op->o_req_ndn = op->o_bd->be_nsuffix[0];
+ op->o_req_dn = op->o_req_ndn;
+
+ /* try to read stored contextCSN */
+ op->o_tmpmemctx = NULL;
+ backend_attribute( op, NULL, &op->o_req_ndn,
+ slap_schema.si_ad_contextCSN, &csn, ACL_READ );
+ op->o_tmpmemctx = ctx;
+ if ( csn ) {
+ si->si_cookieState->cs_vals = csn;
+ for (i=0; !BER_BVISNULL( &csn[i] ); i++);
+ si->si_cookieState->cs_num = i;
+ si->si_cookieState->cs_sids = slap_parse_csn_sids( csn, i );
+ }
+ }
+ if ( si->si_cookieState->cs_num ) {
+ ber_bvarray_free( si->si_syncCookie.ctxcsn );
+ if ( ber_bvarray_dup_x( &si->si_syncCookie.ctxcsn,
+ si->si_cookieState->cs_vals, NULL )) {
+ rc = LDAP_NO_MEMORY;
+ goto done;
+ }
+ si->si_syncCookie.numcsns = si->si_cookieState->cs_num;
+ si->si_syncCookie.sids = ch_malloc( si->si_cookieState->cs_num *
+ sizeof(int) );
+ for ( i=0; i<si->si_syncCookie.numcsns; i++ )
+ si->si_syncCookie.sids[i] = si->si_cookieState->cs_sids[i];
+ }
+ ldap_pvt_thread_mutex_unlock( &si->si_cookieState->cs_mutex );
}
slap_compose_sync_cookie( NULL, &si->si_syncCookie.octet_str,
si->si_syncCookie.ctxcsn, si->si_syncCookie.rid,
- SLAP_SINGLE_SHADOW( si->si_be ) ? -1 : slap_serverID );
+ si->si_syncCookie.sid );
} else {
+ AttributeName at[2];
+ Attribute a = { slap_schema.si_ad_contextCSN };
+ Entry e = {0};
+ SlapReply rs = {0};
+ int i, j, changed = 0;
+
+ /* Look for contextCSN from syncprov overlay. If
+ * there's no overlay, this will be a no-op. That means
+ * this is a pure consumer, so local changes will not be
+ * allowed, and all changes will already be reflected in
+ * the cookieState.
+ */
+ e.e_attrs = &a;
+ e.e_name = si->si_wbe->be_suffix[0];
+ e.e_nname = si->si_wbe->be_nsuffix[0];
+ rs.sr_entry = &e;
+ rs.sr_flags = REP_ENTRY_MODIFIABLE;
+ at[0].an_name = a.a_desc->ad_cname;
+ at[0].an_desc = a.a_desc;
+ BER_BVZERO( &at[1].an_name );
+
ldap_pvt_thread_mutex_lock( &si->si_cookieState->cs_mutex );
- /* match SIDs */
+ rc = backend_operational( op, &rs );
+ if ( rc == LDAP_SUCCESS && a.a_vals ) {
+ int num;
+ for (i=0; !BER_BVISNULL( &a.a_vals[i] ); i++) ;
+ num = i;
+ /* check for differences */
+ if ( num != si->si_cookieState->cs_num ) {
+ changed = 1;
+ } else {
+ for ( i=0; i<num; i++ ) {
+ if ( ber_bvcmp( &a.a_vals[i],
+ &si->si_cookieState->cs_vals[i] )) {
+ changed =1;
+ break;
+ }
+ }
+ }
+ if ( changed ) {
+ ber_bvarray_free( si->si_cookieState->cs_vals );
+ ch_free( si->si_cookieState->cs_sids );
+ si->si_cookieState->cs_num = num;
+ si->si_cookieState->cs_vals = a.a_vals;
+ si->si_cookieState->cs_sids = slap_parse_csn_sids( a.a_vals,
+ num );
+ si->si_cookieState->cs_age++;
+ } else {
+ ber_bvarray_free( a.a_vals );
+ }
+ changed = 0;
+ }
+ /* See if the cookieState has changed due to anything outside
+ * this particular consumer. That includes other consumers in
+ * the same context, or local changes detected above.
+ */
if ( si->si_cookieState->cs_num > 1 && si->si_cookieAge !=
si->si_cookieState->cs_age ) {
- int i, j, changed = 0;
for (i=0; !BER_BVISNULL( &si->si_syncCookie.ctxcsn[i] ); i++) {
/* bogus, just dup everything */
if ( si->si_syncCookie.sids[i] !=
si->si_cookieState->cs_sids[j] )
continue;
+ if ( bvmatch( &si->si_syncCookie.ctxcsn[i],
+ &si->si_cookieState->cs_vals[j] ))
+ break;
ber_bvreplace( &si->si_syncCookie.ctxcsn[i],
&si->si_cookieState->cs_vals[j] );
changed = 1;
projects / openldap / blobdiff