X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=servers%2Fslapd%2Foverlays%2Fsyncprov.c;h=9d7a9ad72154672bf4a44414170eb5de9a5fc551;hb=2317211a8f7b1a50862bd16c29d208b62fbb387b;hp=d785e17b08ecb5fa5387577fb3012c10ce0f9f98;hpb=5ae46c195ed5dd2b5117d2301645e8b7a00d9a0a;p=openldap
diff --git a/servers/slapd/overlays/syncprov.c b/servers/slapd/overlays/syncprov.c
index d785e17b08..9d7a9ad721 100644
--- a/servers/slapd/overlays/syncprov.c
+++ b/servers/slapd/overlays/syncprov.c
@@ -2,7 +2,7 @@
/* syncprov.c - syncrepl provider */
/* This work is part of OpenLDAP Software .
*
- * 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
@@ -585,11 +585,7 @@ syncprov_findcsn( Operation *op, find_csn_t mode )
char cbuf[LDAP_LUTIL_CSNSTR_BUFSIZE];
struct berval maxcsn;
Filter cf;
-#ifdef LDAP_COMP_MATCH
- AttributeAssertion eq = { NULL, BER_BVNULL, NULL };
-#else
- AttributeAssertion eq = { NULL, BER_BVNULL };
-#endif
+ AttributeAssertion eq = ATTRIBUTEASSERTION_INIT;
fpres_cookie pcookie;
sync_control *srs = NULL;
struct slap_limits_set fc_limits;
@@ -628,8 +624,11 @@ again:
maxid = i;
}
}
- fop.ors_filterstr.bv_len = sprintf( buf, "(entryCSN>=%s)",
- cf.f_av_value.bv_val );
+ fop.ors_filterstr.bv_len = snprintf( buf, sizeof( buf ),
+ "(entryCSN>=%s)", cf.f_av_value.bv_val );
+ if ( fop.ors_filterstr.bv_len < 0 || fop.ors_filterstr.bv_len >= sizeof( buf ) ) {
+ return LDAP_OTHER;
+ }
fop.ors_attrsonly = 0;
fop.ors_attrs = csn_anlist;
fop.ors_slimit = SLAP_NO_LIMIT;
@@ -653,16 +652,19 @@ again:
/* Look for exact match the first time */
if ( findcsn_retry ) {
cf.f_choice = LDAP_FILTER_EQUALITY;
- fop.ors_filterstr.bv_len = sprintf( buf, "(entryCSN=%s)",
- cf.f_av_value.bv_val );
+ fop.ors_filterstr.bv_len = snprintf( buf, sizeof( buf ),
+ "(entryCSN=%s)", cf.f_av_value.bv_val );
/* On retry, look for <= */
} else {
cf.f_choice = LDAP_FILTER_LE;
fop.ors_limit = &fc_limits;
memset( &fc_limits, 0, sizeof( fc_limits ));
fc_limits.lms_s_unchecked = 1;
- fop.ors_filterstr.bv_len = sprintf( buf, "(entryCSN<=%s)",
- cf.f_av_value.bv_val );
+ fop.ors_filterstr.bv_len = snprintf( buf, sizeof( buf ),
+ "(entryCSN<=%s)", cf.f_av_value.bv_val );
+ }
+ if ( fop.ors_filterstr.bv_len < 0 || fop.ors_filterstr.bv_len >= sizeof( buf ) ) {
+ return LDAP_OTHER;
}
fop.ors_attrsonly = 1;
fop.ors_attrs = slap_anlist_no_attrs;
@@ -694,7 +696,7 @@ again:
break;
}
- fop.o_bd->bd_info = on->on_info->oi_orig;
+ fop.o_bd->bd_info = (BackendInfo *)on->on_info;
fop.o_bd->be_search( &fop, &frs );
fop.o_bd->bd_info = (BackendInfo *)on;
@@ -774,6 +776,8 @@ syncprov_sendresp( Operation *op, opcookie *opc, syncops *so,
BER_BVZERO( &csns[1] );
slap_compose_sync_cookie( op, &cookie, csns, so->s_rid, so->s_sid );
+ Debug( LDAP_DEBUG_SYNC, "syncprov_sendresp: cookie=%s\n", cookie.bv_val, 0, 0 );
+
e_uuid.e_attrs = &a_uuid;
a_uuid.a_desc = slap_schema.si_ad_entryUUID;
a_uuid.a_nvals = &opc->suuid;
@@ -833,8 +837,10 @@ syncprov_sendresp( Operation *op, opcookie *opc, syncops *so,
/* Play back queued responses */
static int
-syncprov_qplay( Operation *op, slap_overinst *on, syncops *so )
+syncprov_qplay( Operation *op, struct re_s *rtask )
{
+ syncops *so = rtask->arg;
+ slap_overinst *on = LDAP_SLIST_FIRST(&so->s_op->o_extra)->oe_key;
syncres *sr;
Entry *e;
opcookie opc;
@@ -849,10 +855,10 @@ syncprov_qplay( Operation *op, slap_overinst *on, syncops *so )
so->s_res = sr->s_next;
if ( !so->s_res )
so->s_restail = NULL;
- ldap_pvt_thread_mutex_unlock( &so->s_mutex );
-
+ /* Exit loop with mutex held */
if ( !sr || so->s_op->o_abandon )
break;
+ ldap_pvt_thread_mutex_unlock( &so->s_mutex );
opc.sdn = sr->s_dn;
opc.sndn = sr->s_ndn;
@@ -879,9 +885,24 @@ syncprov_qplay( Operation *op, slap_overinst *on, syncops *so )
ch_free( sr );
- if ( rc )
+ if ( rc ) {
+ /* Exit loop with mutex held */
+ ldap_pvt_thread_mutex_lock( &so->s_mutex );
break;
+ }
+ }
+
+ /* wait until we get explicitly scheduled again */
+ ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
+ ldap_pvt_runqueue_stoptask( &slapd_rq, rtask );
+ if ( rc == 0 ) {
+ ldap_pvt_runqueue_resched( &slapd_rq, rtask, 1 );
+ } else {
+ /* bail out on any error */
+ ldap_pvt_runqueue_remove( &slapd_rq, rtask );
}
+ ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
+ ldap_pvt_thread_mutex_unlock( &so->s_mutex );
return rc;
}
@@ -891,7 +912,6 @@ syncprov_qtask( void *ctx, void *arg )
{
struct re_s *rtask = arg;
syncops *so = rtask->arg;
- slap_overinst *on = so->s_op->o_private;
OperationBuffer opbuf;
Operation *op;
BackendDB be;
@@ -913,25 +933,14 @@ syncprov_qtask( void *ctx, void *arg )
be = *so->s_op->o_bd;
be.be_flags |= SLAP_DBFLAG_OVERLAY;
op->o_bd = &be;
- op->o_private = NULL;
+ LDAP_SLIST_FIRST(&op->o_extra) = NULL;
op->o_callback = NULL;
- rc = syncprov_qplay( op, on, so );
+ rc = syncprov_qplay( op, rtask );
/* decrement use count... */
syncprov_free_syncop( so );
- /* wait until we get explicitly scheduled again */
- ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
- ldap_pvt_runqueue_stoptask( &slapd_rq, rtask );
- if ( rc == 0 ) {
- ldap_pvt_runqueue_resched( &slapd_rq, rtask, 1 );
- } else {
- /* bail out on any error */
- ldap_pvt_runqueue_remove( &slapd_rq, rtask );
- }
- ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
-
#if 0 /* FIXME: connection_close isn't exported from slapd.
* should it be?
*/
@@ -978,15 +987,18 @@ static int
syncprov_qresp( opcookie *opc, syncops *so, int mode )
{
syncres *sr;
- int sid;
+ int sid, srsize;
/* Don't send changes back to their originator */
sid = slap_parse_csn_sid( &opc->sctxcsn );
if ( sid >= 0 && sid == so->s_sid )
return LDAP_SUCCESS;
- sr = ch_malloc(sizeof(syncres) + opc->suuid.bv_len + 1 +
- opc->sdn.bv_len + 1 + opc->sndn.bv_len + 1 + opc->sctxcsn.bv_len + 1 );
+ srsize = sizeof(syncres) + opc->suuid.bv_len + 1 +
+ opc->sdn.bv_len + 1 + opc->sndn.bv_len + 1;
+ if ( opc->sctxcsn.bv_len )
+ srsize += opc->sctxcsn.bv_len + 1;
+ sr = ch_malloc( srsize );
sr->s_next = NULL;
sr->s_dn.bv_val = (char *)(sr + 1);
sr->s_dn.bv_len = opc->sdn.bv_len;
@@ -999,9 +1011,13 @@ syncprov_qresp( opcookie *opc, syncops *so, int mode )
opc->sndn.bv_val ) + 1;
sr->s_uuid.bv_len = opc->suuid.bv_len;
AC_MEMCPY( sr->s_uuid.bv_val, opc->suuid.bv_val, opc->suuid.bv_len );
- sr->s_csn.bv_val = sr->s_uuid.bv_val + sr->s_uuid.bv_len + 1;
+ if ( opc->sctxcsn.bv_len ) {
+ sr->s_csn.bv_val = sr->s_uuid.bv_val + sr->s_uuid.bv_len + 1;
+ strcpy( sr->s_csn.bv_val, opc->sctxcsn.bv_val );
+ } else {
+ sr->s_csn.bv_val = NULL;
+ }
sr->s_csn.bv_len = opc->sctxcsn.bv_len;
- strcpy( sr->s_csn.bv_val, opc->sctxcsn.bv_val );
ldap_pvt_thread_mutex_lock( &so->s_mutex );
if ( !so->s_res ) {
@@ -1198,7 +1214,7 @@ syncprov_matchops( Operation *op, opcookie *opc, int saveit )
}
/* check if current o_req_dn is in scope and matches filter */
- if ( fc.fscope && test_filter( op, e, ss->s_op->ors_filter ) ==
+ if ( fc.fscope && test_filter( ss->s_op, e, ss->s_op->ors_filter ) ==
LDAP_COMPARE_TRUE ) {
if ( saveit ) {
sm = op->o_tmpalloc( sizeof(syncmatches), op->o_tmpmemctx );
@@ -1290,7 +1306,9 @@ syncprov_checkpoint( Operation *op, SlapReply *rs, slap_overinst *on )
Operation opm;
SlapReply rsm = { 0 };
slap_callback cb = {0};
+ BackendDB be;
+ mod.sml_numvals = si->si_numcsns;
mod.sml_values = si->si_ctxcsn;
mod.sml_nvalues = NULL;
mod.sml_desc = slap_schema.si_ad_contextCSN;
@@ -1304,8 +1322,12 @@ syncprov_checkpoint( Operation *op, SlapReply *rs, slap_overinst *on )
opm.o_callback = &cb;
opm.orm_modlist = &mod;
opm.orm_no_opattrs = 1;
- opm.o_req_dn = op->o_bd->be_suffix[0];
- opm.o_req_ndn = op->o_bd->be_nsuffix[0];
+ if ( SLAP_GLUE_SUBORDINATE( op->o_bd )) {
+ be = *on->on_info->oi_origdb;
+ opm.o_bd = &be;
+ }
+ opm.o_req_dn = opm.o_bd->be_suffix[0];
+ opm.o_req_ndn = opm.o_bd->be_nsuffix[0];
opm.o_bd->bd_info = on->on_info->oi_orig;
opm.o_managedsait = SLAP_CONTROL_NONCRITICAL;
opm.o_no_schema_check = 1;
@@ -1313,7 +1335,6 @@ syncprov_checkpoint( Operation *op, SlapReply *rs, slap_overinst *on )
if ( mod.sml_next != NULL ) {
slap_mods_free( mod.sml_next, 1 );
}
- opm.orm_no_opattrs = 0;
}
static void
@@ -1483,11 +1504,7 @@ syncprov_playlog( Operation *op, SlapReply *rs, sessionlog *sl,
SlapReply frs = { REP_RESULT };
int rc;
Filter mf, af;
-#ifdef LDAP_COMP_MATCH
- AttributeAssertion eq = { NULL, BER_BVNULL, NULL };
-#else
- AttributeAssertion eq;
-#endif
+ AttributeAssertion eq = ATTRIBUTEASSERTION_INIT;
slap_callback cb = {0};
fop = *op;
@@ -1511,7 +1528,7 @@ syncprov_playlog( Operation *op, SlapReply *rs, sessionlog *sl,
fop.ors_filter = ⁡
cb.sc_response = playlog_cb;
- fop.o_bd->bd_info = on->on_info->oi_orig;
+ fop.o_bd->bd_info = (BackendInfo *)on->on_info;
for ( i=ndel; isr_state.rid,
- srs->sr_state.sid );
+ if ( delcsn[0].bv_len ) {
+ slap_compose_sync_cookie( op, &cookie, delcsn, srs->sr_state.rid,
+ srs->sr_state.sid );
+ }
+
+ Debug( LDAP_DEBUG_SYNC, "syncprov_playlog: cookie=%s\n", cookie.bv_val, 0, 0 );
+
uuids[ndel].bv_val = NULL;
- syncprov_sendinfo( op, rs, LDAP_TAG_SYNC_ID_SET, &cookie, 0, uuids, 1 );
+ syncprov_sendinfo( op, rs, LDAP_TAG_SYNC_ID_SET,
+ delcsn[0].bv_len ? &cookie : NULL, 0, uuids, 1 );
op->o_tmpfree( cookie.bv_val, op->o_tmpmemctx );
}
op->o_tmpfree( uuids, op->o_tmpmemctx );
@@ -1553,7 +1576,7 @@ syncprov_op_response( Operation *op, SlapReply *rs )
{
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';
@@ -1596,8 +1619,12 @@ syncprov_op_response( Operation *op, SlapReply *rs )
}
if ( si->si_chktime &&
(op->o_time - si->si_chklast >= si->si_chktime )) {
- do_check = 1;
- si->si_chklast = op->o_time;
+ if ( si->si_chklast ) {
+ do_check = 1;
+ si->si_chklast = op->o_time;
+ } else {
+ si->si_chklast = 1;
+ }
}
}
ldap_pvt_thread_rdwr_wunlock( &si->si_csn_rwlock );
@@ -1612,7 +1639,10 @@ syncprov_op_response( Operation *op, SlapReply *rs )
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:
@@ -1687,10 +1717,10 @@ syncprov_op_compare( Operation *op, SlapReply *rs )
rs->sr_err = LDAP_COMPARE_FALSE;
- if ( value_find_ex( op->oq_compare.rs_ava->aa_desc,
+ if ( attr_valfind( &a,
SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
- a.a_nvals, &op->oq_compare.rs_ava->aa_value, op->o_tmpmemctx ) == 0 )
+ &op->oq_compare.rs_ava->aa_value, NULL, op->o_tmpmemctx ) == 0 )
{
rs->sr_err = LDAP_COMPARE_TRUE;
}
@@ -1715,12 +1745,19 @@ syncprov_op_mod( Operation *op, SlapReply *rs )
{
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;
+
+ 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 );
- 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);
+ 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;
@@ -1731,7 +1768,7 @@ syncprov_op_mod( Operation *op, SlapReply *rs )
/* 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;
@@ -1750,7 +1787,13 @@ syncprov_op_mod( Operation *op, SlapReply *rs )
/* wait for this op to get to head of list */
while ( mt->mt_mods != mi ) {
ldap_pvt_thread_mutex_unlock( &mt->mt_mutex );
- ldap_pvt_thread_yield();
+ /* FIXME: if dynamic config can delete overlays or
+ * databases we'll have to check for cleanup here.
+ * Currently it's not an issue because there are
+ * no dynamic config deletes...
+ */
+ if ( !ldap_pvt_thread_pool_pausecheck( &connection_pool ))
+ ldap_pvt_thread_yield();
ldap_pvt_thread_mutex_lock( &mt->mt_mutex );
/* clean up if the caller is giving up */
@@ -1778,7 +1821,7 @@ syncprov_op_mod( Operation *op, SlapReply *rs )
}
}
- 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;
@@ -1799,7 +1842,9 @@ typedef struct searchstate {
BerVarray ss_ctxcsn;
int *ss_sids;
int ss_numcsns;
- int ss_present;
+#define SS_PRESENT 0x01
+#define SS_CHANGED 0x02
+ int ss_flags;
} searchstate;
static int
@@ -1816,6 +1861,7 @@ syncprov_search_cleanup( Operation *op, SlapReply *rs )
typedef struct SyncOperationBuffer {
Operation sob_op;
Opheader sob_hdr;
+ OpExtra sob_oe;
AttributeName sob_extra; /* not always present */
/* Further data allocated here */
} SyncOperationBuffer;
@@ -1844,6 +1890,7 @@ syncprov_detach_op( Operation *op, syncops *so, slap_overinst *on )
sopbuf2 = ch_calloc( 1, size );
op2 = &sopbuf2->sob_op;
op2->o_hdr = &sopbuf2->sob_hdr;
+ LDAP_SLIST_FIRST(&op2->o_extra) = &sopbuf2->sob_oe;
/* Copy the fields we care about explicitly, leave the rest alone */
*op2->o_hdr = *op->o_hdr;
@@ -1851,7 +1898,8 @@ syncprov_detach_op( Operation *op, syncops *so, slap_overinst *on )
op2->o_time = op->o_time;
op2->o_bd = on->on_info->oi_origdb;
op2->o_request = op->o_request;
- op2->o_private = on;
+ LDAP_SLIST_FIRST(&op2->o_extra)->oe_key = on;
+ LDAP_SLIST_NEXT(LDAP_SLIST_FIRST(&op2->o_extra), oe_next) = NULL;
ptr = (char *) sopbuf2 + offsetof( SyncOperationBuffer, sob_extra );
if ( i ) {
@@ -1902,12 +1950,10 @@ syncprov_detach_op( Operation *op, syncops *so, slap_overinst *on )
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;
@@ -1947,16 +1993,20 @@ syncprov_search_response( Operation *op, SlapReply *rs )
rs->sr_entry->e_name.bv_val, 0, 0 );
return LDAP_SUCCESS;
}
- /* Make sure entry is less than the snapshot'd contextCSN */
- for ( i=0; iss_numcsns; i++ ) {
- if ( sid == ss->ss_sids[i] && ber_bvcmp( &a->a_nvals[0],
- &ss->ss_ctxcsn[i] ) > 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,
- ss->ss_ctxcsn[i].bv_val );
- return LDAP_SUCCESS;
+
+ /* If not a persistent search */
+ if ( !ss->ss_so ) {
+ /* Make sure entry is less than the snapshot'd contextCSN */
+ for ( i=0; iss_numcsns; i++ ) {
+ if ( sid == ss->ss_sids[i] && ber_bvcmp( &a->a_nvals[0],
+ &ss->ss_ctxcsn[i] ) > 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,
+ ss->ss_ctxcsn[i].bv_val );
+ return LDAP_SUCCESS;
+ }
}
}
@@ -1984,36 +2034,56 @@ syncprov_search_response( Operation *op, SlapReply *rs )
} else if ( rs->sr_type == REP_RESULT && rs->sr_err == LDAP_SUCCESS ) {
struct berval cookie;
- slap_compose_sync_cookie( op, &cookie, ss->ss_ctxcsn,
- srs->sr_state.rid, srs->sr_state.sid );
+ if ( ss->ss_flags & SS_CHANGED ) {
+ slap_compose_sync_cookie( op, &cookie, ss->ss_ctxcsn,
+ srs->sr_state.rid, srs->sr_state.sid );
- /* Is this a regular refresh? */
+ Debug( LDAP_DEBUG_SYNC, "syncprov_search_response: cookie=%s\n", cookie.bv_val, 0, 0 );
+ }
+
+ /* Is this a regular refresh?
+ * Note: refresh never gets here if there were no changes
+ */
if ( !ss->ss_so ) {
rs->sr_ctrls = op->o_tmpalloc( sizeof(LDAPControl *)*2,
op->o_tmpmemctx );
rs->sr_ctrls[1] = NULL;
rs->sr_err = syncprov_done_ctrl( op, rs, rs->sr_ctrls,
- 0, 1, &cookie, ss->ss_present ? LDAP_SYNC_REFRESH_PRESENTS :
+ 0, 1, &cookie, ( ss->ss_flags & SS_PRESENT ) ? LDAP_SYNC_REFRESH_PRESENTS :
LDAP_SYNC_REFRESH_DELETES );
op->o_tmpfree( cookie.bv_val, op->o_tmpmemctx );
} else {
/* It's RefreshAndPersist, transition to Persist phase */
- syncprov_sendinfo( op, rs, ss->ss_present ?
+ syncprov_sendinfo( op, rs, ( ss->ss_flags & SS_PRESENT ) ?
LDAP_TAG_SYNC_REFRESH_PRESENT : LDAP_TAG_SYNC_REFRESH_DELETE,
- &cookie, 1, NULL, 0 );
- op->o_tmpfree( cookie.bv_val, op->o_tmpmemctx );
+ ( ss->ss_flags & SS_CHANGED ) ? &cookie : NULL,
+ 1, NULL, 0 );
+ if ( ss->ss_flags & SS_CHANGED )
+ op->o_tmpfree( cookie.bv_val, op->o_tmpmemctx );
/* 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_free_syncop( ss->ss_so );
+ 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;
@@ -2029,7 +2099,7 @@ syncprov_op_search( Operation *op, SlapReply *rs )
slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
syncprov_info_t *si = (syncprov_info_t *)on->on_bi.bi_private;
slap_callback *cb;
- int gotstate = 0, nochange = 0, do_present;
+ int gotstate = 0, changed = 0, do_present = 0;
syncops *sop = NULL;
searchstate *ss;
sync_control *srs;
@@ -2044,8 +2114,6 @@ syncprov_op_search( Operation *op, SlapReply *rs )
return rs->sr_err;
}
- do_present = si->si_nopres ? 0 : 1;
-
srs = op->o_controls[slap_cids.sc_LDAPsync];
op->o_managedsait = SLAP_CONTROL_NONCRITICAL;
@@ -2113,6 +2181,9 @@ syncprov_op_search( Operation *op, SlapReply *rs )
if ( !numcsns )
goto no_change;
+ if ( !si->si_nopres )
+ do_present = SS_PRESENT;
+
/* If there are SIDs we don't recognize in the cookie, drop them */
for (i=0; isr_state.numcsns; ) {
for (j=0; jsr_state.numcsns == numcsns ) {
- int i, j, changed = 0;
+ int i, j;
for ( i=0; isr_state.numcsns; i++ ) {
for ( j=0; jsr_state.sids[i] != sids[j] )
continue;
if ( !bvmatch( &srs->sr_state.ctxcsn[i], &ctxcsn[j] ))
- changed = 1;
+ changed = SS_CHANGED;
break;
}
if ( changed )
break;
}
if ( !changed ) {
-no_change: nochange = 1;
- if ( !(op->o_sync_mode & SLAP_SYNC_PERSIST) ) {
+ do_present = 0;
+no_change: if ( !(op->o_sync_mode & SLAP_SYNC_PERSIST) ) {
LDAPControl *ctrls[2];
ctrls[0] = NULL;
@@ -2172,6 +2243,9 @@ no_change: nochange = 1;
}
goto shortcut;
}
+ } else {
+ /* consumer doesn't have the right number of CSNs */
+ changed = SS_CHANGED;
}
/* Do we have a sessionlog for this search? */
sl=si->si_logs;
@@ -2195,6 +2269,8 @@ no_change: nochange = 1;
if ( si->si_usehint && srs->sr_rhint == 0 ) {
if ( ctxcsn )
ber_bvarray_free_x( ctxcsn, op->o_tmpmemctx );
+ if ( sids )
+ op->o_tmpfree( sids, op->o_tmpmemctx );
send_ldap_error( op, rs, LDAP_SYNC_REFRESH_REQUIRED, "sync cookie is stale" );
return rs->sr_err;
}
@@ -2205,10 +2281,15 @@ no_change: nochange = 1;
LDAP_SUCCESS ) {
if ( ctxcsn )
ber_bvarray_free_x( ctxcsn, op->o_tmpmemctx );
+ if ( sids )
+ op->o_tmpfree( sids, op->o_tmpmemctx );
send_ldap_result( op, rs );
return rs->sr_err;
}
}
+ } else {
+ /* No consumer state, assume something has changed */
+ changed = SS_CHANGED;
}
shortcut:
@@ -2220,7 +2301,7 @@ shortcut:
}
/* If something changed, find the changes */
- if ( gotstate && !nochange ) {
+ if ( gotstate && changed ) {
Filter *fand, *fava;
fand = op->o_tmpalloc( sizeof(Filter), op->o_tmpmemctx );
@@ -2247,7 +2328,7 @@ shortcut:
ss = (searchstate *)(cb+1);
ss->ss_on = on;
ss->ss_so = sop;
- ss->ss_present = do_present;
+ ss->ss_flags = do_present | changed;
ss->ss_ctxcsn = ctxcsn;
ss->ss_numcsns = numcsns;
ss->ss_sids = sids;
@@ -2261,7 +2342,7 @@ shortcut:
* the refresh phase, just invoke the response callback to transition
* us into persist phase
*/
- if ( nochange ) {
+ if ( !changed ) {
rs->sr_err = LDAP_SUCCESS;
rs->sr_nentries = 0;
send_ldap_result( op, rs );
@@ -2278,6 +2359,12 @@ syncprov_operational(
slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
syncprov_info_t *si = (syncprov_info_t *)on->on_bi.bi_private;
+ /* This prevents generating unnecessarily; frontend will strip
+ * any statically stored copy.
+ */
+ if ( op->o_sync != SLAP_CONTROL_NONE )
+ return SLAP_CB_CONTINUE;
+
if ( rs->sr_entry &&
dn_match( &rs->sr_entry->e_nname, op->o_bd->be_nsuffix )) {
@@ -2301,17 +2388,22 @@ syncprov_operational(
}
if ( !ap ) {
- if ( !rs->sr_flags & REP_ENTRY_MODIFIABLE ) {
+ if ( !(rs->sr_flags & REP_ENTRY_MODIFIABLE) ) {
rs->sr_entry = entry_dup( rs->sr_entry );
rs->sr_flags |=
REP_ENTRY_MODIFIABLE|REP_ENTRY_MUSTBEFREED;
a = attr_find( rs->sr_entry->e_attrs,
slap_schema.si_ad_contextCSN );
}
- free( a->a_vals );
+ if ( a->a_nvals != a->a_vals ) {
+ ber_bvarray_free( a->a_nvals );
+ }
+ a->a_nvals = NULL;
+ ber_bvarray_free( a->a_vals );
+ a->a_vals = NULL;
+ a->a_numvals = 0;
}
- ber_bvarray_dup_x( &a->a_vals, si->si_ctxcsn, NULL );
- a->a_nvals = a->a_vals;
+ attr_valadd( a, si->si_ctxcsn, si->si_ctxcsn, si->si_numcsns );
}
ldap_pvt_thread_rdwr_runlock( &si->si_csn_rwlock );
}
@@ -2370,10 +2462,14 @@ sp_cf_gen(ConfigArgs *c)
case SP_CHKPT:
if ( si->si_chkops || si->si_chktime ) {
struct berval bv;
- bv.bv_len = sprintf( c->msg, "%d %d",
- si->si_chkops, si->si_chktime );
- bv.bv_val = c->msg;
- value_add_one( &c->rvalue_vals, &bv );
+ bv.bv_len = snprintf( c->cr_msg, sizeof( c->cr_msg ),
+ "%d %d", si->si_chkops, si->si_chktime );
+ if ( bv.bv_len < 0 || bv.bv_len >= sizeof( c->cr_msg ) ) {
+ rc = 1;
+ } else {
+ bv.bv_val = c->cr_msg;
+ value_add_one( &c->rvalue_vals, &bv );
+ }
} else {
rc = 1;
}
@@ -2431,31 +2527,31 @@ sp_cf_gen(ConfigArgs *c)
switch ( c->type ) {
case SP_CHKPT:
if ( lutil_atoi( &si->si_chkops, c->argv[1] ) != 0 ) {
- snprintf( c->msg, sizeof( c->msg ), "%s unable to parse checkpoint ops # \"%s\"",
+ snprintf( c->cr_msg, sizeof( c->cr_msg ), "%s unable to parse checkpoint ops # \"%s\"",
c->argv[0], c->argv[1] );
Debug( LDAP_DEBUG_CONFIG|LDAP_DEBUG_NONE,
- "%s: %s\n", c->log, c->msg, 0 );
+ "%s: %s\n", c->log, c->cr_msg, 0 );
return ARG_BAD_CONF;
}
if ( si->si_chkops <= 0 ) {
- snprintf( c->msg, sizeof( c->msg ), "%s invalid checkpoint ops # \"%d\"",
+ snprintf( c->cr_msg, sizeof( c->cr_msg ), "%s invalid checkpoint ops # \"%d\"",
c->argv[0], si->si_chkops );
Debug( LDAP_DEBUG_CONFIG|LDAP_DEBUG_NONE,
- "%s: %s\n", c->log, c->msg, 0 );
+ "%s: %s\n", c->log, c->cr_msg, 0 );
return ARG_BAD_CONF;
}
if ( lutil_atoi( &si->si_chktime, c->argv[2] ) != 0 ) {
- snprintf( c->msg, sizeof( c->msg ), "%s unable to parse checkpoint time \"%s\"",
+ snprintf( c->cr_msg, sizeof( c->cr_msg ), "%s unable to parse checkpoint time \"%s\"",
c->argv[0], c->argv[1] );
Debug( LDAP_DEBUG_CONFIG|LDAP_DEBUG_NONE,
- "%s: %s\n", c->log, c->msg, 0 );
+ "%s: %s\n", c->log, c->cr_msg, 0 );
return ARG_BAD_CONF;
}
if ( si->si_chktime <= 0 ) {
- snprintf( c->msg, sizeof( c->msg ), "%s invalid checkpoint time \"%d\"",
+ snprintf( c->cr_msg, sizeof( c->cr_msg ), "%s invalid checkpoint time \"%d\"",
c->argv[0], si->si_chkops );
Debug( LDAP_DEBUG_CONFIG|LDAP_DEBUG_NONE,
- "%s: %s\n", c->log, c->msg, 0 );
+ "%s: %s\n", c->log, c->cr_msg, 0 );
return ARG_BAD_CONF;
}
si->si_chktime *= 60;
@@ -2465,10 +2561,10 @@ sp_cf_gen(ConfigArgs *c)
int size = c->value_int;
if ( size < 0 ) {
- snprintf( c->msg, sizeof( c->msg ), "%s size %d is negative",
+ snprintf( c->cr_msg, sizeof( c->cr_msg ), "%s size %d is negative",
c->argv[0], size );
Debug( LDAP_DEBUG_CONFIG|LDAP_DEBUG_NONE,
- "%s: %s\n", c->log, c->msg, 0 );
+ "%s: %s\n", c->log, c->cr_msg, 0 );
return ARG_BAD_CONF;
}
sl = si->si_logs;
@@ -2513,7 +2609,7 @@ syncprov_db_otask(
static int
syncprov_db_open(
BackendDB *be,
- ConfigArgs *ca
+ ConfigReply *cr
)
{
slap_overinst *on = (slap_overinst *) be->bd_info;
@@ -2557,11 +2653,9 @@ syncprov_db_open(
a = attr_find( e->e_attrs, slap_schema.si_ad_contextCSN );
if ( a ) {
- int i;
ber_bvarray_dup_x( &si->si_ctxcsn, a->a_vals, NULL );
- for ( i = 0; !BER_BVISNULL( &a->a_vals[i] ); i++ );
- si->si_numcsns = i;
- si->si_sids = slap_parse_csn_sids( si->si_ctxcsn, i, NULL );
+ si->si_numcsns = a->a_numvals;
+ si->si_sids = slap_parse_csn_sids( si->si_ctxcsn, a->a_numvals, NULL );
}
overlay_entry_release_ov( op, e, 0, on );
if ( si->si_ctxcsn ) {
@@ -2607,7 +2701,7 @@ out:
static int
syncprov_db_close(
BackendDB *be,
- ConfigArgs *ca
+ ConfigReply *cr
)
{
slap_overinst *on = (slap_overinst *) be->bd_info;
@@ -2638,7 +2732,7 @@ syncprov_db_close(
static int
syncprov_db_init(
BackendDB *be,
- ConfigArgs *ca
+ ConfigReply *cr
)
{
slap_overinst *on = (slap_overinst *)be->bd_info;
@@ -2671,7 +2765,7 @@ syncprov_db_init(
static int
syncprov_db_destroy(
BackendDB *be,
- ConfigArgs *ca
+ ConfigReply *cr
)
{
slap_overinst *on = (slap_overinst *)be->bd_info;
@@ -2790,10 +2884,14 @@ static int syncprov_parseCtrl (
sr->sr_rhint = rhint;
if (!BER_BVISNULL(&cookie)) {
ber_dupbv_x( &sr->sr_state.octet_str, &cookie, op->o_tmpmemctx );
+ /* If parse fails, pretend no cookie was sent */
if ( slap_parse_sync_cookie( &sr->sr_state, op->o_tmpmemctx ) ||
sr->sr_state.rid == -1 ) {
- rs->sr_text = "Sync control : cookie parsing error";
- return LDAP_PROTOCOL_ERROR;
+ if ( sr->sr_state.ctxcsn ) {
+ ber_bvarray_free_x( sr->sr_state.ctxcsn, op->o_tmpmemctx );
+ sr->sr_state.ctxcsn = NULL;
+ }
+ sr->sr_state.numcsns = 0;
}
}