+
+void
+meta_back_quarantine(
+ Operation *op,
+ SlapReply *rs,
+ int candidate )
+{
+ metainfo_t *mi = (metainfo_t *)op->o_bd->be_private;
+ metatarget_t *mt = mi->mi_targets[ candidate ];
+
+ slap_retry_info_t *ri = &mt->mt_quarantine;
+
+ ldap_pvt_thread_mutex_lock( &mt->mt_quarantine_mutex );
+
+ if ( rs->sr_err == LDAP_UNAVAILABLE ) {
+ time_t new_last = slap_get_time();
+
+ switch ( mt->mt_isquarantined ) {
+ case LDAP_BACK_FQ_NO:
+ if ( ri->ri_last == new_last ) {
+ goto done;
+ }
+
+ Debug( LDAP_DEBUG_ANY,
+ "%s meta_back_quarantine[%d]: enter.\n",
+ op->o_log_prefix, candidate, 0 );
+
+ ri->ri_idx = 0;
+ ri->ri_count = 0;
+ break;
+
+ case LDAP_BACK_FQ_RETRYING:
+ if ( LogTest( LDAP_DEBUG_ANY ) ) {
+ char buf[ SLAP_TEXT_BUFLEN ];
+
+ snprintf( buf, sizeof( buf ),
+ "meta_back_quarantine[%d]: block #%d try #%d failed",
+ candidate, ri->ri_idx, ri->ri_count );
+ Debug( LDAP_DEBUG_ANY, "%s %s.\n",
+ op->o_log_prefix, buf, 0 );
+ }
+
+ ++ri->ri_count;
+ if ( ri->ri_num[ ri->ri_idx ] != SLAP_RETRYNUM_FOREVER
+ && ri->ri_count == ri->ri_num[ ri->ri_idx ] )
+ {
+ ri->ri_count = 0;
+ ++ri->ri_idx;
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ mt->mt_isquarantined = LDAP_BACK_FQ_YES;
+ ri->ri_last = new_last;
+
+ } else if ( mt->mt_isquarantined == LDAP_BACK_FQ_RETRYING ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s meta_back_quarantine[%d]: exit.\n",
+ op->o_log_prefix, candidate, 0 );
+
+ if ( mi->mi_quarantine_f ) {
+ (void)mi->mi_quarantine_f( mi, candidate,
+ mi->mi_quarantine_p );
+ }
+
+ ri->ri_count = 0;
+ ri->ri_idx = 0;
+ mt->mt_isquarantined = LDAP_BACK_FQ_NO;
+ }
+
+done:;
+ ldap_pvt_thread_mutex_unlock( &mt->mt_quarantine_mutex );
+}
+