/* syncprov.c - syncrepl provider */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Copyright 2004-2007 The OpenLDAP Foundation.
+ * Copyright 2004-2008 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
{
struct berval maxcsn = BER_BVNULL;
char cbuf[LDAP_LUTIL_CSNSTR_BUFSIZE];
- int do_check=0;
+ int do_check = 0, have_psearches;
/* Update our context CSN */
cbuf[0] = '\0';
opc->sctxcsn.bv_val = cbuf;
/* Handle any persistent searches */
- if ( si->si_ops ) {
+ ldap_pvt_thread_mutex_lock( &si->si_ops_mutex );
+ have_psearches = ( si->si_ops != NULL );
+ ldap_pvt_thread_mutex_unlock( &si->si_ops_mutex );
+ if ( have_psearches ) {
switch(op->o_tag) {
case LDAP_REQ_ADD:
case LDAP_REQ_MODIFY:
{
slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
syncprov_info_t *si = on->on_bi.bi_private;
+ slap_callback *cb;
+ opcookie *opc;
+ int have_psearches, cbsize;
- slap_callback *cb = op->o_tmpcalloc(1, sizeof(slap_callback)+
- sizeof(opcookie) +
- (si->si_ops ? sizeof(modinst) : 0 ),
- op->o_tmpmemctx);
- opcookie *opc = (opcookie *)(cb+1);
+ ldap_pvt_thread_mutex_lock( &si->si_ops_mutex );
+ have_psearches = ( si->si_ops != NULL );
+ ldap_pvt_thread_mutex_unlock( &si->si_ops_mutex );
+
+ cbsize = sizeof(slap_callback) + sizeof(opcookie) +
+ (have_psearches ? sizeof(modinst) : 0 );
+
+ cb = op->o_tmpcalloc(1, cbsize, op->o_tmpmemctx);
+ opc = (opcookie *)(cb+1);
opc->son = on;
cb->sc_response = syncprov_op_response;
cb->sc_cleanup = syncprov_op_cleanup;
/* If there are active persistent searches, lock this operation.
* See seqmod.c for the locking logic on its own.
*/
- if ( si->si_ops ) {
+ if ( have_psearches ) {
modtarget *mt, mtdummy;
modinst *mi;
}
}
- if (( si->si_ops || si->si_logs ) && op->o_tag != LDAP_REQ_ADD )
+ if (( have_psearches || si->si_logs ) && op->o_tag != LDAP_REQ_ADD )
syncprov_matchops( op, opc, 1 );
return SLAP_CB_CONTINUE;
op2->o_do_not_cache = 1;
/* Add op2 to conn so abandon will find us */
- ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
op->o_conn->c_n_ops_executing++;
op->o_conn->c_n_ops_completed--;
LDAP_STAILQ_INSERT_TAIL( &op->o_conn->c_ops, op2, o_next );
so->s_flags |= PS_IS_DETACHED;
- ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
/* Prevent anyone else from trying to send a result for this op */
op->o_abandon = 1;
{
searchstate *ss = op->o_callback->sc_private;
slap_overinst *on = ss->ss_on;
+ syncprov_info_t *si = (syncprov_info_t *)on->on_bi.bi_private;
sync_control *srs = op->o_controls[slap_cids.sc_LDAPsync];
if ( rs->sr_type == REP_SEARCH || rs->sr_type == REP_SEARCHREF ) {
a = attr_find( rs->sr_operational_attrs, slap_schema.si_ad_entryCSN );
}
if ( a ) {
+ /* If not a persistent search */
/* Make sure entry is less than the snapshot'd contextCSN */
- if ( ber_bvcmp( &a->a_nvals[0], &ss->ss_ctxcsn ) > 0 ) {
+ if ( !ss->ss_so && ber_bvcmp( &a->a_nvals[0], &ss->ss_ctxcsn ) > 0 ) {
Debug( LDAP_DEBUG_SYNC, "Entry %s CSN %s greater than snapshot %s\n",
rs->sr_entry->e_name.bv_val,
a->a_nvals[0].bv_val,
rs->sr_ctrls = op->o_tmpalloc( sizeof(LDAPControl *)*2,
op->o_tmpmemctx );
rs->sr_ctrls[1] = NULL;
- rs->sr_err = syncprov_state_ctrl( op, rs, rs->sr_entry,
- LDAP_SYNC_ADD, rs->sr_ctrls, 0, 0, NULL );
+ /* If we're in delta-sync mode, always send a cookie */
+ if ( si->si_nopres && si->si_usehint && a ) {
+ struct berval cookie;
+ slap_compose_sync_cookie( op, &cookie, a->a_nvals, srs->sr_state.rid );
+ rs->sr_err = syncprov_state_ctrl( op, rs, rs->sr_entry,
+ LDAP_SYNC_ADD, rs->sr_ctrls, 0, 1, &cookie );
+ } else {
+ rs->sr_err = syncprov_state_ctrl( op, rs, rs->sr_entry,
+ LDAP_SYNC_ADD, rs->sr_ctrls, 0, 0, NULL );
+ }
} else if ( rs->sr_type == REP_RESULT && rs->sr_err == LDAP_SUCCESS ) {
struct berval cookie;
/* Detach this Op from frontend control */
ldap_pvt_thread_mutex_lock( &ss->ss_so->s_mutex );
+ ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
+
+ /* But not if this connection was closed along the way */
+ if ( op->o_abandon ) {
+ ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
+ ldap_pvt_thread_mutex_unlock( &ss->ss_so->s_mutex );
+ /* syncprov_ab_cleanup will free this syncop */
+ return SLAPD_ABANDON;
- /* Turn off the refreshing flag */
- ss->ss_so->s_flags ^= PS_IS_REFRESHING;
+ } else {
+ /* Turn off the refreshing flag */
+ ss->ss_so->s_flags ^= PS_IS_REFRESHING;
+
+ syncprov_detach_op( op, ss->ss_so, on );
- syncprov_detach_op( op, ss->ss_so, on );
+ ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
- /* If there are queued responses, fire them off */
- if ( ss->ss_so->s_res )
- syncprov_qstart( ss->ss_so );
+ /* If there are queued responses, fire them off */
+ if ( ss->ss_so->s_res )
+ syncprov_qstart( ss->ss_so );
+ }
ldap_pvt_thread_mutex_unlock( &ss->ss_so->s_mutex );
return LDAP_SUCCESS;
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