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ITS#6710: Force clients to refresh if context is dirty.

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This commit is contained in:
Rein Tollevik 2010-11-21 17:56:09 +00:00
parent 877fc0ab37
commit 990d8f562f
1 changed files with 10 additions and 3 deletions
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13
servers/slapd/overlays/syncprov.c
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@ -134,6 +134,8 @@ typedef struct syncprov_info_t {
int si_nopres; /* Skip present phase */
int si_usehint; /* use reload hint */
int si_active; /* True if there are active mods */
int si_dirty; /* True if the context is dirty, i.e changes
* have been made without updating the csn. */
time_t si_chklast; /* time of last checkpoint */
Avlnode *si_mods; /* entries being modified */
sessionlog *si_logs;
@ -1813,6 +1815,8 @@ syncprov_op_response( Operation *op, SlapReply *rs )
csn_changed = 1;
}
}
if ( csn_changed )
si->si_dirty = 0;
ldap_pvt_thread_rdwr_wunlock( &si->si_csn_rwlock );
if ( csn_changed ) {
@ -1856,6 +1860,7 @@ syncprov_op_response( Operation *op, SlapReply *rs )
}
}
}
si->si_dirty = !csn_changed;
ldap_pvt_thread_rdwr_wunlock( &si->si_csn_rwlock );
if ( do_check ) {
@ -2374,6 +2379,7 @@ syncprov_op_search( Operation *op, SlapReply *rs )
BerVarray ctxcsn;
int i, *sids, numcsns;
struct berval mincsn;
int dirty = 0;
if ( !(op->o_sync_mode & SLAP_SYNC_REFRESH) ) return SLAP_CB_CONTINUE;
@ -2449,6 +2455,7 @@ syncprov_op_search( Operation *op, SlapReply *rs )
ctxcsn = NULL;
sids = NULL;
}
dirty = si->si_dirty;
ldap_pvt_thread_rdwr_runlock( &si->si_csn_rwlock );
/* If we have a cookie, handle the PRESENT lookups */
@ -2528,7 +2535,7 @@ bailout:
if ( changed )
break;
}
if ( !changed ) {
if ( !changed && !dirty ) {
do_present = 0;
no_change: if ( !(op->o_sync_mode & SLAP_SYNC_PERSIST) ) {
LDAPControl *ctrls[2];
@ -2612,7 +2619,7 @@ shortcut:
}
/* If something changed, find the changes */
if ( gotstate && changed ) {
if ( gotstate && ( changed || dirty ) ) {
Filter *fand, *fava;
fand = op->o_tmpalloc( sizeof(Filter), op->o_tmpmemctx );
@ -2657,7 +2664,7 @@ shortcut:
* the refresh phase, just invoke the response callback to transition
* us into persist phase
*/
if ( !changed ) {
if ( !changed && !dirty ) {
rs->sr_err = LDAP_SUCCESS;
rs->sr_nentries = 0;
send_ldap_result( op, rs );