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ITS#9580 Propagate a present-phase cookie flush into accesslog

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Ondřej Kuzník 2021-10-29 11:42:59 +01:00 committed by Quanah Gibson-Mount
parent bc28e7950d
commit 414866b888
1 changed files with 92 additions and 39 deletions
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55
servers/slapd/overlays/accesslog.c
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@ -1994,7 +1994,59 @@ accesslog_response(Operation *op, SlapReply *rs)
if ( e == op2.ora_e ) entry_free( e );
e = NULL;
if ( ( lo->mask & LOG_OP_WRITES ) && !BER_BVISEMPTY( &op->o_csn ) ) {
if ( ( lo->mask & LOG_OP_WRITES ) ) {
/*
* Catch a real contextCSN update coming from a plain refresh, do the
* same to our DB.
*
* TODO: we should still be usable as sessionlog source, but maybe not
* quite for deltasync anymore, we can't really make that distinction
* yet.
*/
if ( SLAPD_SYNC_IS_SYNCCONN( op->o_connid ) &&
op->o_dont_replicate == 0 &&
op->o_tag == LDAP_REQ_MODIFY &&
op->orm_modlist &&
op->orm_modlist->sml_op == LDAP_MOD_REPLACE &&
op->orm_modlist->sml_desc == slap_schema.si_ad_contextCSN ) {
Modifications mod;
/*
* ITS#9580 FIXME: This will only work if we log successful writes
* and nothing else, otherwise we're reverting some CSNs (at least
* our own) in the contextCSN to an older value.
*
* Right now we depend on syncprov's checkpoint to clean up after.
*/
mod = *op->orm_modlist;
mod.sml_next = NULL;
/* Update relevant parts of op, reuse the rest */
op2.o_tag = LDAP_REQ_MODIFY;
op2.o_csn = op->o_csn;
op2.o_req_dn = li->li_db->be_suffix[0];
op2.o_req_ndn = li->li_db->be_nsuffix[0];
op2.orm_modlist = &mod;
op2.orm_no_opattrs = 1;
op2.o_dont_replicate = 0;
rs_reinit( &rs2, REP_RESULT );
op2.o_bd->be_modify( &op2, &rs2 );
if ( rs2.sr_err != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_SYNC, "%s accesslog_response: "
"got result 0x%x trying to reset contextCSN\n",
op->o_log_prefix, rs2.sr_err );
}
/* Replace in-memory mincsn */
if ( li->li_mincsn )
ber_bvarray_free( li->li_mincsn );
ber_bvarray_dup_x( &li->li_mincsn, op->orm_modlist->sml_values, NULL );
li->li_numcsns = op->orm_modlist->sml_numvals;
li->li_sids = slap_parse_csn_sids( li->li_mincsn, li->li_numcsns, NULL );
slap_sort_csn_sids( li->li_mincsn, li->li_sids, li->li_numcsns, NULL );
} else if ( !BER_BVISEMPTY( &op->o_csn ) ) {
Modifications mod;
int i, sid = slap_parse_csn_sid( &op->o_csn );
@ -2045,6 +2097,7 @@ accesslog_response(Operation *op, SlapReply *rs)
op->o_csn.bv_val, li->li_mincsn[i].bv_val );
}
}
}
done:
ldap_pvt_thread_mutex_unlock( &li->li_log_mutex );