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Diff for /servers/slapd/overlays/syncprov.c between versions 1.253 and 1.321

version 1.253, 2008/11/23 19:43:39	version 1.321, 2010/12/20 09:57:07
Line 1	Line 1
/* $OpenLDAP: pkg/ldap/servers/slapd/overlays/syncprov.c,v 1.252 2008/11/06 20:10:25 hyc Exp $ */	/* $OpenLDAP: pkg/ldap/servers/slapd/overlays/syncprov.c,v 1.319 2010/11/21 18:00:38 rein Exp $ */
/* syncprov.c - syncrepl provider */	/* syncprov.c - syncrepl provider */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.	/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*	*
* Copyright 2004-2008 The OpenLDAP Foundation.	* Copyright 2004-2010 The OpenLDAP Foundation.
* All rights reserved.	* All rights reserved.
*	*
* Redistribution and use in source and binary forms, with or without	* Redistribution and use in source and binary forms, with or without
Line 28	Line 28
#include "config.h"	#include "config.h"
#include "ldap_rq.h"	#include "ldap_rq.h"

	#ifdef LDAP_DEVEL
	#define CHECK_CSN 1
	#endif

/* A modify request on a particular entry */	/* A modify request on a particular entry */
typedef struct modinst {	typedef struct modinst {
struct modinst *mi_next;	struct modinst *mi_next;
Line 44 typedef struct modtarget {	Line 48 typedef struct modtarget {
/* A queued result of a persistent search */	/* A queued result of a persistent search */
typedef struct syncres {	typedef struct syncres {
struct syncres *s_next;	struct syncres *s_next;
	Entry *s_e;
struct berval s_dn;	struct berval s_dn;
struct berval s_ndn;	struct berval s_ndn;
struct berval s_uuid;	struct berval s_uuid;
Line 67 typedef struct syncops {	Line 72 typedef struct syncops {
#define PS_WROTE_BASE 0x04	#define PS_WROTE_BASE 0x04
#define PS_FIND_BASE 0x08	#define PS_FIND_BASE 0x08
#define PS_FIX_FILTER 0x10	#define PS_FIX_FILTER 0x10
	#define PS_TASK_QUEUED 0x20

int s_inuse; /* reference count */	int s_inuse; /* reference count */
struct syncres *s_res;	struct syncres *s_res;
struct syncres *s_restail;	struct syncres *s_restail;
struct re_s s_qtask; / task for playing psearch responses */
#define RUNQ_INTERVAL 36000 /* a long time */
ldap_pvt_thread_mutex_t s_mutex;	ldap_pvt_thread_mutex_t s_mutex;
} syncops;	} syncops;

Line 109 typedef struct slog_entry {	Line 113 typedef struct slog_entry {
} slog_entry;	} slog_entry;

typedef struct sessionlog {	typedef struct sessionlog {
struct berval sl_mincsn;
int sl_num;	int sl_num;
int sl_size;	int sl_size;
slog_entry *sl_head;	slog_entry *sl_head;
Line 121 typedef struct sessionlog {	Line 124 typedef struct sessionlog {
typedef struct syncprov_info_t {	typedef struct syncprov_info_t {
syncops *si_ops;	syncops *si_ops;
BerVarray si_ctxcsn; /* ldapsync context */	BerVarray si_ctxcsn; /* ldapsync context */
	struct berval si_contextdn;
int *si_sids;	int *si_sids;
int si_numcsns;	int si_numcsns;
int si_chkops; /* checkpointing info */	int si_chkops; /* checkpointing info */
Line 128 typedef struct syncprov_info_t {	Line 132 typedef struct syncprov_info_t {
int si_numops; /* number of ops since last checkpoint */	int si_numops; /* number of ops since last checkpoint */
int si_nopres; /* Skip present phase */	int si_nopres; /* Skip present phase */
int si_usehint; /* use reload hint */	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 */	time_t si_chklast; /* time of last checkpoint */
Avlnode si_mods; / entries being modified */	Avlnode si_mods; / entries being modified */
sessionlog *si_logs;	sessionlog *si_logs;
ldap_pvt_thread_rdwr_t si_csn_rwlock;	ldap_pvt_thread_rdwr_t si_csn_rwlock;
ldap_pvt_thread_mutex_t si_ops_mutex;	ldap_pvt_thread_mutex_t si_ops_mutex;
ldap_pvt_thread_mutex_t si_mods_mutex;	ldap_pvt_thread_mutex_t si_mods_mutex;
	ldap_pvt_thread_mutex_t si_resp_mutex;
} syncprov_info_t;	} syncprov_info_t;

typedef struct opcookie {	typedef struct opcookie {
slap_overinst *son;	slap_overinst *son;
syncmatches *smatches;	syncmatches *smatches;
	modtarget *smt;
	Entry *se;
struct berval sdn; /* DN of entry, for deletes */	struct berval sdn; /* DN of entry, for deletes */
struct berval sndn;	struct berval sndn;
struct berval suuid; /* UUID of entry */	struct berval suuid; /* UUID of entry */
struct berval sctxcsn;	struct berval sctxcsn;
int sreference; /* Is the entry a reference? */	short osid; /* sid of op csn */
	short rsid; /* sid of relay */
	short sreference; /* Is the entry a reference? */
} opcookie;	} opcookie;

	typedef struct mutexint {
	ldap_pvt_thread_mutex_t mi_mutex;
	int mi_int;
	} mutexint;

typedef struct fbase_cookie {	typedef struct fbase_cookie {
struct berval fdn; / DN of a modified entry, for scope testing */	struct berval fdn; / DN of a modified entry, for scope testing */
syncops fss; / persistent search we're testing against */	syncops fss; / persistent search we're testing against */
Line 576 syncprov_findcsn( Operation *op, find_cs	Line 593 syncprov_findcsn( Operation *op, find_cs
slap_callback cb = {0};	slap_callback cb = {0};
Operation fop;	Operation fop;
SlapReply frs = { REP_RESULT };	SlapReply frs = { REP_RESULT };
char buf[LDAP_LUTIL_CSNSTR_BUFSIZE + STRLENOF("(entryCSN<=)")];	char buf[LDAP_PVT_CSNSTR_BUFSIZE + STRLENOF("(entryCSN<=)")];
char cbuf[LDAP_LUTIL_CSNSTR_BUFSIZE];	char cbuf[LDAP_PVT_CSNSTR_BUFSIZE];
struct berval maxcsn;	struct berval maxcsn;
Filter cf;	Filter cf;
AttributeAssertion eq = ATTRIBUTEASSERTION_INIT;	AttributeAssertion eq = ATTRIBUTEASSERTION_INIT;
Line 704 again:	Line 721 again:
switch( mode ) {	switch( mode ) {
case FIND_MAXCSN:	case FIND_MAXCSN:
if ( ber_bvcmp( &si->si_ctxcsn[maxid], &maxcsn )) {	if ( ber_bvcmp( &si->si_ctxcsn[maxid], &maxcsn )) {
	#ifdef CHECK_CSN
	Syntax *syn = slap_schema.si_ad_contextCSN->ad_type->sat_syntax;
	assert( !syn->ssyn_validate( syn, &maxcsn ));
	#endif
ber_bvreplace( &si->si_ctxcsn[maxid], &maxcsn );	ber_bvreplace( &si->si_ctxcsn[maxid], &maxcsn );
si->si_numops++; /* ensure a checkpoint */	si->si_numops++; /* ensure a checkpoint */
}	}
Line 727 again:	Line 748 again:
return rc;	return rc;
}	}

	/* Should find a place to cache these */
	static mutexint *get_mutexint()
	{
	mutexint *mi = ch_malloc( sizeof( mutexint ));
	ldap_pvt_thread_mutex_init( &mi->mi_mutex );
	mi->mi_int = 1;
	return mi;
	}

	static void inc_mutexint( mutexint *mi )
	{
	ldap_pvt_thread_mutex_lock( &mi->mi_mutex );
	mi->mi_int++;
	ldap_pvt_thread_mutex_unlock( &mi->mi_mutex );
	}

	/* return resulting counter */
	static int dec_mutexint( mutexint *mi )
	{
	int i;
	ldap_pvt_thread_mutex_lock( &mi->mi_mutex );
	i = --mi->mi_int;
	ldap_pvt_thread_mutex_unlock( &mi->mi_mutex );
	if ( !i ) {
	ldap_pvt_thread_mutex_destroy( &mi->mi_mutex );
	ch_free( mi );
	}
	return i;
	}

static void	static void
syncprov_free_syncop( syncops *so )	syncprov_free_syncop( syncops *so )
{	{
Line 734 syncprov_free_syncop( syncops *so )	Line 785 syncprov_free_syncop( syncops *so )
GroupAssertion ga, gnext;	GroupAssertion ga, gnext;

ldap_pvt_thread_mutex_lock( &so->s_mutex );	ldap_pvt_thread_mutex_lock( &so->s_mutex );
if ( --so->s_inuse > 0 ) {	/* already being freed, or still in use */
	if ( !so->s_inuse \|\| --so->s_inuse > 0 ) {
ldap_pvt_thread_mutex_unlock( &so->s_mutex );	ldap_pvt_thread_mutex_unlock( &so->s_mutex );
return;	return;
}	}
if ( so->s_qtask ) {
ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
if ( ldap_pvt_runqueue_isrunning( &slapd_rq, so->s_qtask ) )
ldap_pvt_runqueue_stoptask( &slapd_rq, so->s_qtask );
ldap_pvt_runqueue_remove( &slapd_rq, so->s_qtask );
ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
}
ldap_pvt_thread_mutex_unlock( &so->s_mutex );	ldap_pvt_thread_mutex_unlock( &so->s_mutex );
if ( so->s_flags & PS_IS_DETACHED ) {	if ( so->s_flags & PS_IS_DETACHED ) {
filter_free( so->s_op->ors_filter );	filter_free( so->s_op->ors_filter );
Line 757 syncprov_free_syncop( syncops *so )	Line 802 syncprov_free_syncop( syncops *so )
ch_free( so->s_base.bv_val );	ch_free( so->s_base.bv_val );
for ( sr=so->s_res; sr; sr=srnext ) {	for ( sr=so->s_res; sr; sr=srnext ) {
srnext = sr->s_next;	srnext = sr->s_next;
	if ( sr->s_e ) {
	if ( !dec_mutexint( sr->s_e->e_private )) {
	sr->s_e->e_private = NULL;
	entry_free( sr->s_e );
	}
	}
ch_free( sr );	ch_free( sr );
}	}
ldap_pvt_thread_mutex_destroy( &so->s_mutex );	ldap_pvt_thread_mutex_destroy( &so->s_mutex );
Line 765 syncprov_free_syncop( syncops *so )	Line 816 syncprov_free_syncop( syncops *so )

/* Send a persistent search response */	/* Send a persistent search response */
static int	static int
syncprov_sendresp( Operation op, opcookie opc, syncops *so,	syncprov_sendresp( Operation op, opcookie opc, syncops *so, int mode )
Entry **e, int mode )
{	{
slap_overinst *on = opc->son;	slap_overinst *on = opc->son;

SlapReply rs = { REP_SEARCH };	SlapReply rs = { REP_SEARCH };
LDAPControl *ctrls[2];	LDAPControl *ctrls[2];
struct berval cookie, csns[2];	struct berval cookie = BER_BVNULL, csns[2];
Entry e_uuid = {0};	Entry e_uuid = {0};
Attribute a_uuid = {0};	Attribute a_uuid = {0};

Line 780 syncprov_sendresp( Operation *op, opcook	Line 830 syncprov_sendresp( Operation *op, opcook
return SLAPD_ABANDON;	return SLAPD_ABANDON;

ctrls[1] = NULL;	ctrls[1] = NULL;
csns[0] = opc->sctxcsn;	if ( !BER_BVISNULL( &opc->sctxcsn )) {
BER_BVZERO( &csns[1] );	csns[0] = opc->sctxcsn;
slap_compose_sync_cookie( op, &cookie, csns, so->s_rid, so->s_sid );	BER_BVZERO( &csns[1] );
	slap_compose_sync_cookie( op, &cookie, csns, so->s_rid, slap_serverID ? slap_serverID : -1 );
	}

Debug( LDAP_DEBUG_SYNC, "syncprov_sendresp: cookie=%s\n", cookie.bv_val, 0, 0 );	#ifdef LDAP_DEBUG
	if ( so->s_sid > 0 ) {
	Debug( LDAP_DEBUG_SYNC, "syncprov_sendresp: to=%03x, cookie=%s\n",
	so->s_sid, cookie.bv_val ? cookie.bv_val : "", 0 );
	} else {
	Debug( LDAP_DEBUG_SYNC, "syncprov_sendresp: cookie=%s\n",
	cookie.bv_val ? cookie.bv_val : "", 0, 0 );
	}
	#endif

e_uuid.e_attrs = &a_uuid;	e_uuid.e_attrs = &a_uuid;
a_uuid.a_desc = slap_schema.si_ad_entryUUID;	a_uuid.a_desc = slap_schema.si_ad_entryUUID;
a_uuid.a_nvals = &opc->suuid;	a_uuid.a_nvals = &opc->suuid;
rs.sr_err = syncprov_state_ctrl( op, &rs, &e_uuid,	rs.sr_err = syncprov_state_ctrl( op, &rs, &e_uuid,
mode, ctrls, 0, 1, &cookie );	mode, ctrls, 0, 1, &cookie );
op->o_tmpfree( cookie.bv_val, op->o_tmpmemctx );	if ( !BER_BVISNULL( &cookie )) {
	op->o_tmpfree( cookie.bv_val, op->o_tmpmemctx );
	}

rs.sr_ctrls = ctrls;	rs.sr_ctrls = ctrls;
op->o_bd->bd_info = (BackendInfo *)on->on_info;	rs.sr_entry = &e_uuid;
	if ( mode == LDAP_SYNC_ADD \|\| mode == LDAP_SYNC_MODIFY ) {
	e_uuid = *opc->se;
	e_uuid.e_private = NULL;
	}

switch( mode ) {	switch( mode ) {
case LDAP_SYNC_ADD:	case LDAP_SYNC_ADD:
rs.sr_entry = *e;	if ( opc->sreference && so->s_op->o_managedsait <= SLAP_CONTROL_IGNORED ) {
if ( rs.sr_entry->e_private )
rs.sr_flags = REP_ENTRY_MUSTRELEASE;
if ( opc->sreference ) {
rs.sr_ref = get_entry_referrals( op, rs.sr_entry );	rs.sr_ref = get_entry_referrals( op, rs.sr_entry );
rs.sr_err = send_search_reference( op, &rs );	rs.sr_err = send_search_reference( op, &rs );
ber_bvarray_free( rs.sr_ref );	ber_bvarray_free( rs.sr_ref );
if ( !rs.sr_entry )
*e = NULL;
break;	break;
}	}
/* fallthru */	/* fallthru */
case LDAP_SYNC_MODIFY:	case LDAP_SYNC_MODIFY:
rs.sr_entry = *e;
if ( rs.sr_entry->e_private )
rs.sr_flags = REP_ENTRY_MUSTRELEASE;
rs.sr_attrs = op->ors_attrs;	rs.sr_attrs = op->ors_attrs;
rs.sr_err = send_search_entry( op, &rs );	rs.sr_err = send_search_entry( op, &rs );
if ( !rs.sr_entry )
*e = NULL;
break;	break;
case LDAP_SYNC_DELETE:	case LDAP_SYNC_DELETE:
e_uuid.e_attrs = NULL;	e_uuid.e_attrs = NULL;
e_uuid.e_name = opc->sdn;	e_uuid.e_name = opc->sdn;
e_uuid.e_nname = opc->sndn;	e_uuid.e_nname = opc->sndn;
rs.sr_entry = &e_uuid;	if ( opc->sreference && so->s_op->o_managedsait <= SLAP_CONTROL_IGNORED ) {
if ( opc->sreference ) {
struct berval bv = BER_BVNULL;	struct berval bv = BER_BVNULL;
rs.sr_ref = &bv;	rs.sr_ref = &bv;
rs.sr_err = send_search_reference( op, &rs );	rs.sr_err = send_search_reference( op, &rs );
Line 836 syncprov_sendresp( Operation *op, opcook	Line 892 syncprov_sendresp( Operation *op, opcook
}	}
/* In case someone else freed it already? */	/* In case someone else freed it already? */
if ( rs.sr_ctrls ) {	if ( rs.sr_ctrls ) {
op->o_tmpfree( rs.sr_ctrls[0], op->o_tmpmemctx );	int i;
	for ( i=0; rs.sr_ctrls[i]; i++ ) {
	if ( rs.sr_ctrls[i] == ctrls[0] ) {
	op->o_tmpfree( ctrls[0]->ldctl_value.bv_val, op->o_tmpmemctx );
	ctrls[0]->ldctl_value.bv_val = NULL;
	break;
	}
	}
rs.sr_ctrls = NULL;	rs.sr_ctrls = NULL;
}	}

return rs.sr_err;	return rs.sr_err;
}	}

	static void
	syncprov_qstart( syncops *so );

/* Play back queued responses */	/* Play back queued responses */
static int	static int
syncprov_qplay( Operation op, struct re_s rtask )	syncprov_qplay( Operation op, syncops so )
{	{
syncops *so = rtask->arg;
slap_overinst *on = LDAP_SLIST_FIRST(&so->s_op->o_extra)->oe_key;	slap_overinst *on = LDAP_SLIST_FIRST(&so->s_op->o_extra)->oe_key;
syncres *sr;	syncres *sr;
Entry *e;	Entry *e;
Line 856 syncprov_qplay( Operation *op, struct re	Line 921 syncprov_qplay( Operation *op, struct re

opc.son = on;	opc.son = on;

for (;;) {	do {
ldap_pvt_thread_mutex_lock( &so->s_mutex );	ldap_pvt_thread_mutex_lock( &so->s_mutex );
sr = so->s_res;	sr = so->s_res;
if ( sr )	if ( sr )
Line 868 syncprov_qplay( Operation *op, struct re	Line 933 syncprov_qplay( Operation *op, struct re
break;	break;
ldap_pvt_thread_mutex_unlock( &so->s_mutex );	ldap_pvt_thread_mutex_unlock( &so->s_mutex );

opc.sdn = sr->s_dn;	if ( sr->s_mode == LDAP_SYNC_NEW_COOKIE ) {
opc.sndn = sr->s_ndn;	SlapReply rs = { REP_INTERMEDIATE };
opc.suuid = sr->s_uuid;
opc.sctxcsn = sr->s_csn;
opc.sreference = sr->s_isreference;
e = NULL;

if ( sr->s_mode != LDAP_SYNC_DELETE ) {
rc = overlay_entry_get_ov( op, &opc.sndn, NULL, NULL, 0, &e, on );
if ( rc ) {
Debug( LDAP_DEBUG_SYNC, "syncprov_qplay: failed to get %s, "
"error (%d), ignoring...\n", opc.sndn.bv_val, rc, 0 );
ch_free( sr );
rc = 0;
continue;
}
}
rc = syncprov_sendresp( op, &opc, so, &e, sr->s_mode );

if ( e ) {	rc = syncprov_sendinfo( op, &rs, LDAP_TAG_SYNC_NEW_COOKIE,
overlay_entry_release_ov( op, e, 0, on );	&sr->s_csn, 0, NULL, 0 );
	} else {
	opc.sdn = sr->s_dn;
	opc.sndn = sr->s_ndn;
	opc.suuid = sr->s_uuid;
	opc.sctxcsn = sr->s_csn;
	opc.sreference = sr->s_isreference;
	opc.se = sr->s_e;

	rc = syncprov_sendresp( op, &opc, so, sr->s_mode );

	}
	if ( sr->s_e ) {
	if ( !dec_mutexint( sr->s_e->e_private )) {
	sr->s_e->e_private = NULL;
	entry_free ( sr->s_e );
	}
}	}

ch_free( sr );	ch_free( sr );

if ( rc ) {	/* Exit loop with mutex held */
/* Exit loop with mutex held */	ldap_pvt_thread_mutex_lock( &so->s_mutex );
ldap_pvt_thread_mutex_lock( &so->s_mutex );
break;
}
}

/* wait until we get explicitly scheduled again */	} while (0);
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 );

/* Prevent duplicate remove */	/* We now only send one change at a time, to prevent one
if ( so->s_qtask == rtask )	* psearch from hogging all the CPU. Resubmit this task if
so->s_qtask = NULL;	* there are more responses queued and no errors occurred.
	*/

	if ( rc == 0 && so->s_res ) {
	syncprov_qstart( so );
	} else {
	so->s_flags ^= PS_TASK_QUEUED;
}	}
ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
ldap_pvt_thread_mutex_unlock( &so->s_mutex );	ldap_pvt_thread_mutex_unlock( &so->s_mutex );
return rc;	return rc;
}	}

/* runqueue task for playing back queued responses */	/* task for playing back queued responses */
static void *	static void *
syncprov_qtask( void ctx, void arg )	syncprov_qtask( void ctx, void arg )
{	{
struct re_s *rtask = arg;	syncops *so = arg;
syncops *so = rtask->arg;
OperationBuffer opbuf;	OperationBuffer opbuf;
Operation *op;	Operation *op;
BackendDB be;	BackendDB be;
Line 948 syncprov_qtask( void ctx, void arg )	Line 1007 syncprov_qtask( void ctx, void arg )
LDAP_SLIST_FIRST(&op->o_extra) = NULL;	LDAP_SLIST_FIRST(&op->o_extra) = NULL;
op->o_callback = NULL;	op->o_callback = NULL;

rc = syncprov_qplay( op, rtask );	rc = syncprov_qplay( op, so );

/* decrement use count... */	/* decrement use count... */
syncprov_free_syncop( so );	syncprov_free_syncop( so );

#if 0 /* FIXME: connection_close isn't exported from slapd.
* should it be?
*/
if ( rc ) {
ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
if ( connection_state_closing( op->o_conn )) {
connection_close( op->o_conn );
}
ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
}
#endif
return NULL;	return NULL;
}	}

Line 971 syncprov_qtask( void ctx, void arg )	Line 1019 syncprov_qtask( void ctx, void arg )
static void	static void
syncprov_qstart( syncops *so )	syncprov_qstart( syncops *so )
{	{
int wake=0;	so->s_flags \|= PS_TASK_QUEUED;
ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );	so->s_inuse++;
if ( !so->s_qtask ) {	ldap_pvt_thread_pool_submit( &connection_pool,
so->s_qtask = ldap_pvt_runqueue_insert( &slapd_rq, RUNQ_INTERVAL,	syncprov_qtask, so );
syncprov_qtask, so, "syncprov_qtask",
so->s_op->o_conn->c_peer_name.bv_val );
++so->s_inuse;
wake = 1;
} else {
if (!ldap_pvt_runqueue_isrunning( &slapd_rq, so->s_qtask ) &&
!so->s_qtask->next_sched.tv_sec ) {
so->s_qtask->interval.tv_sec = 0;
ldap_pvt_runqueue_resched( &slapd_rq, so->s_qtask, 0 );
so->s_qtask->interval.tv_sec = RUNQ_INTERVAL;
++so->s_inuse;
wake = 1;
}
}
ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
if ( wake )
slap_wake_listener();
}	}

/* Queue a persistent search response */	/* Queue a persistent search response */
Line 999 static int	Line 1030 static int
syncprov_qresp( opcookie opc, syncops so, int mode )	syncprov_qresp( opcookie opc, syncops so, int mode )
{	{
syncres *sr;	syncres *sr;
int sid, srsize;	int srsize;
	struct berval cookie = opc->sctxcsn;

/* Don't send changes back to their originator */	if ( mode == LDAP_SYNC_NEW_COOKIE ) {
sid = slap_parse_csn_sid( &opc->sctxcsn );	syncprov_info_t *si = opc->son->on_bi.bi_private;
if ( sid >= 0 && sid == so->s_sid )
return LDAP_SUCCESS;	slap_compose_sync_cookie( NULL, &cookie, si->si_ctxcsn,
	so->s_rid, slap_serverID ? slap_serverID : -1);
	}

srsize = sizeof(syncres) + opc->suuid.bv_len + 1 +	srsize = sizeof(syncres) + opc->suuid.bv_len + 1 +
opc->sdn.bv_len + 1 + opc->sndn.bv_len + 1;	opc->sdn.bv_len + 1 + opc->sndn.bv_len + 1;
if ( opc->sctxcsn.bv_len )	if ( cookie.bv_len )
srsize += opc->sctxcsn.bv_len + 1;	srsize += cookie.bv_len + 1;
sr = ch_malloc( srsize );	sr = ch_malloc( srsize );
sr->s_next = NULL;	sr->s_next = NULL;
	sr->s_e = opc->se;
	/* bump refcount on this entry */
	if ( opc->se )
	inc_mutexint( opc->se->e_private );
sr->s_dn.bv_val = (char *)(sr + 1);	sr->s_dn.bv_val = (char *)(sr + 1);
sr->s_dn.bv_len = opc->sdn.bv_len;	sr->s_dn.bv_len = opc->sdn.bv_len;
sr->s_mode = mode;	sr->s_mode = mode;
Line 1023 syncprov_qresp( opcookie opc, syncops	Line 1061 syncprov_qresp( opcookie opc, syncops
opc->sndn.bv_val ) + 1;	opc->sndn.bv_val ) + 1;
sr->s_uuid.bv_len = opc->suuid.bv_len;	sr->s_uuid.bv_len = opc->suuid.bv_len;
AC_MEMCPY( sr->s_uuid.bv_val, opc->suuid.bv_val, opc->suuid.bv_len );	AC_MEMCPY( sr->s_uuid.bv_val, opc->suuid.bv_val, opc->suuid.bv_len );
if ( opc->sctxcsn.bv_len ) {	if ( cookie.bv_len ) {
sr->s_csn.bv_val = sr->s_uuid.bv_val + sr->s_uuid.bv_len + 1;	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 );	strcpy( sr->s_csn.bv_val, cookie.bv_val );
} else {	} else {
sr->s_csn.bv_val = NULL;	sr->s_csn.bv_val = NULL;
}	}
sr->s_csn.bv_len = opc->sctxcsn.bv_len;	sr->s_csn.bv_len = cookie.bv_len;

	if ( mode == LDAP_SYNC_NEW_COOKIE && cookie.bv_val ) {
	ch_free( cookie.bv_val );
	}

ldap_pvt_thread_mutex_lock( &so->s_mutex );	ldap_pvt_thread_mutex_lock( &so->s_mutex );
if ( !so->s_res ) {	if ( !so->s_res ) {
Line 1044 syncprov_qresp( opcookie opc, syncops	Line 1086 syncprov_qresp( opcookie opc, syncops
so->s_flags ^= PS_WROTE_BASE;	so->s_flags ^= PS_WROTE_BASE;
so->s_flags \|= PS_FIND_BASE;	so->s_flags \|= PS_FIND_BASE;
}	}
if ( so->s_flags & PS_IS_DETACHED ) {	if (( so->s_flags & (PS_IS_DETACHED\|PS_TASK_QUEUED)) == PS_IS_DETACHED ) {
syncprov_qstart( so );	syncprov_qstart( so );
}	}
ldap_pvt_thread_mutex_unlock( &so->s_mutex );	ldap_pvt_thread_mutex_unlock( &so->s_mutex );
Line 1151 syncprov_matchops( Operation *op, opcook	Line 1193 syncprov_matchops( Operation *op, opcook
rc = overlay_entry_get_ov( op, fc.fdn, NULL, NULL, 0, &e, on );	rc = overlay_entry_get_ov( op, fc.fdn, NULL, NULL, 0, &e, on );
/* If we're sending responses now, make a copy and unlock the DB */	/* If we're sending responses now, make a copy and unlock the DB */
if ( e && !saveit ) {	if ( e && !saveit ) {
Entry *e2 = entry_dup( e );	if ( !opc->se ) {
	opc->se = entry_dup( e );
	opc->se->e_private = get_mutexint();
	}
overlay_entry_release_ov( op, e, 0, on );	overlay_entry_release_ov( op, e, 0, on );
e = e2;	e = opc->se;
}	}
if ( rc ) {	if ( rc ) {
op->o_bd = b0;	op->o_bd = b0;
Line 1161 syncprov_matchops( Operation *op, opcook	Line 1206 syncprov_matchops( Operation *op, opcook
}	}
} else {	} else {
e = op->ora_e;	e = op->ora_e;
	if ( !saveit ) {
	if ( !opc->se ) {
	opc->se = entry_dup( e );
	opc->se->e_private = get_mutexint();
	}
	e = opc->se;
	}
}	}

if ( saveit \|\| op->o_tag == LDAP_REQ_ADD ) {	if ( saveit \|\| op->o_tag == LDAP_REQ_ADD ) {
Line 1190 syncprov_matchops( Operation *op, opcook	Line 1242 syncprov_matchops( Operation *op, opcook
if ( ss->s_op->o_abandon )	if ( ss->s_op->o_abandon )
continue;	continue;

	/* Don't send ops back to the originator */
	if ( opc->osid > 0 && opc->osid == ss->s_sid ) {
	Debug( LDAP_DEBUG_SYNC, "syncprov_matchops: skipping original sid %03x\n",
	opc->osid, 0, 0 );
	continue;
	}

	/* Don't send ops back to the messenger */
	if ( opc->rsid > 0 && opc->rsid == ss->s_sid ) {
	Debug( LDAP_DEBUG_SYNC, "syncprov_matchops: skipping relayed sid %03x\n",
	opc->rsid, 0, 0 );
	continue;
	}

/* validate base */	/* validate base */
fc.fss = ss;	fc.fss = ss;
fc.fbase = 0;	fc.fbase = 0;
Line 1207 syncprov_matchops( Operation *op, opcook	Line 1273 syncprov_matchops( Operation *op, opcook
continue;	continue;
}	}


/* If we're sending results now, look for this op in old matches */	/* If we're sending results now, look for this op in old matches */
if ( !saveit ) {	if ( !saveit ) {
syncmatches *old;	syncmatches *old;
Line 1231 syncprov_matchops( Operation *op, opcook	Line 1296 syncprov_matchops( Operation *op, opcook
}	}

if ( fc.fscope ) {	if ( fc.fscope ) {
	ldap_pvt_thread_mutex_lock( &ss->s_mutex );
op2 = *ss->s_op;	op2 = *ss->s_op;
oh = *op->o_hdr;	oh = *op->o_hdr;
oh.oh_conn = ss->s_op->o_conn;	oh.oh_conn = ss->s_op->o_conn;
oh.oh_connid = ss->s_op->o_connid;	oh.oh_connid = ss->s_op->o_connid;
	op2.o_bd = op->o_bd->bd_self;
op2.o_hdr = &oh;	op2.o_hdr = &oh;
op2.o_extra = op->o_extra;	op2.o_extra = op->o_extra;
	op2.o_callback = NULL;
	if (ss->s_flags & PS_FIX_FILTER) {
	/* Skip the AND/GE clause that we stuck on in front. We
	would lose deletes/mods that happen during the refresh
	phase otherwise (ITS#6555) */
	op2.ors_filter = ss->s_op->ors_filter->f_and->f_next;
	}
	ldap_pvt_thread_mutex_unlock( &ss->s_mutex );
	rc = test_filter( &op2, e, op2.ors_filter );
}	}

	Debug( LDAP_DEBUG_TRACE, "syncprov_matchops: sid %03x fscope %d rc %d\n",
	ss->s_sid, fc.fscope, rc );

/* check if current o_req_dn is in scope and matches filter */	/* check if current o_req_dn is in scope and matches filter */
if ( fc.fscope && test_filter( &op2, e, ss->s_op->ors_filter ) ==	if ( fc.fscope && rc == LDAP_COMPARE_TRUE ) {
LDAP_COMPARE_TRUE ) {
if ( saveit ) {	if ( saveit ) {
sm = op->o_tmpalloc( sizeof(syncmatches), op->o_tmpmemctx );	sm = op->o_tmpalloc( sizeof(syncmatches), op->o_tmpmemctx );
sm->sm_next = opc->smatches;	sm->sm_next = opc->smatches;
Line 1258 syncprov_matchops( Operation *op, opcook	Line 1336 syncprov_matchops( Operation *op, opcook
} else if ( !saveit && found ) {	} else if ( !saveit && found ) {
/* send DELETE */	/* send DELETE */
syncprov_qresp( opc, ss, LDAP_SYNC_DELETE );	syncprov_qresp( opc, ss, LDAP_SYNC_DELETE );
	} else if ( !saveit ) {
	syncprov_qresp( opc, ss, LDAP_SYNC_NEW_COOKIE );
}	}
if ( !saveit && found ) {	if ( !saveit && found ) {
/* Decrement s_inuse, was incremented when called	/* Decrement s_inuse, was incremented when called
Line 1272 syncprov_matchops( Operation *op, opcook	Line 1352 syncprov_matchops( Operation *op, opcook
if ( !SLAP_ISOVERLAY( op->o_bd )) {	if ( !SLAP_ISOVERLAY( op->o_bd )) {
op->o_bd = &db;	op->o_bd = &db;
}	}
overlay_entry_release_ov( op, e, 0, on );	if ( saveit )
	overlay_entry_release_ov( op, e, 0, on );
op->o_bd = b0;	op->o_bd = b0;
}	}
	if ( opc->se && !saveit ) {
	if ( !dec_mutexint( opc->se->e_private )) {
	opc->se->e_private = NULL;
	entry_free( opc->se );
	opc->se = NULL;
	}
	}
if ( freefdn ) {	if ( freefdn ) {
op->o_tmpfree( fc.fdn->bv_val, op->o_tmpmemctx );	op->o_tmpfree( fc.fdn->bv_val, op->o_tmpmemctx );
}	}
Line 1291 syncprov_op_cleanup( Operation *op, Slap	Line 1379 syncprov_op_cleanup( Operation *op, Slap
syncmatches sm, snext;	syncmatches sm, snext;
modtarget *mt, mtdummy;	modtarget *mt, mtdummy;

	ldap_pvt_thread_mutex_lock( &si->si_ops_mutex );
	if ( si->si_active )
	si->si_active--;
	ldap_pvt_thread_mutex_unlock( &si->si_ops_mutex );

for (sm = opc->smatches; sm; sm=snext) {	for (sm = opc->smatches; sm; sm=snext) {
snext = sm->sm_next;	snext = sm->sm_next;
syncprov_free_syncop( sm->sm_op );	syncprov_free_syncop( sm->sm_op );
Line 1298 syncprov_op_cleanup( Operation *op, Slap	Line 1391 syncprov_op_cleanup( Operation *op, Slap
}	}

/* Remove op from lock table */	/* Remove op from lock table */
mtdummy.mt_op = op;	mt = opc->smt;
ldap_pvt_thread_mutex_lock( &si->si_mods_mutex );
mt = avl_find( si->si_mods, &mtdummy, sp_avl_cmp );
if ( mt ) {	if ( mt ) {
modinst *mi = mt->mt_mods;

/* If there are more, promote the next one */
ldap_pvt_thread_mutex_lock( &mt->mt_mutex );	ldap_pvt_thread_mutex_lock( &mt->mt_mutex );
if ( mi->mi_next ) {	mt->mt_mods = mt->mt_mods->mi_next;
mt->mt_mods = mi->mi_next;	/* If there are more, promote the next one */
	if ( mt->mt_mods ) {
mt->mt_op = mt->mt_mods->mi_op;	mt->mt_op = mt->mt_mods->mi_op;
ldap_pvt_thread_mutex_unlock( &mt->mt_mutex );	ldap_pvt_thread_mutex_unlock( &mt->mt_mutex );
} else {	} else {
avl_delete( &si->si_mods, mt, sp_avl_cmp );
ldap_pvt_thread_mutex_unlock( &mt->mt_mutex );	ldap_pvt_thread_mutex_unlock( &mt->mt_mutex );
	ldap_pvt_thread_mutex_lock( &si->si_mods_mutex );
	avl_delete( &si->si_mods, mt, sp_avl_cmp );
	ldap_pvt_thread_mutex_unlock( &si->si_mods_mutex );
ldap_pvt_thread_mutex_destroy( &mt->mt_mutex );	ldap_pvt_thread_mutex_destroy( &mt->mt_mutex );
ch_free( mt );	ch_free( mt );
}	}
}	}
ldap_pvt_thread_mutex_unlock( &si->si_mods_mutex );
if ( !BER_BVISNULL( &opc->suuid ))	if ( !BER_BVISNULL( &opc->suuid ))
op->o_tmpfree( opc->suuid.bv_val, op->o_tmpmemctx );	op->o_tmpfree( opc->suuid.bv_val, op->o_tmpmemctx );
if ( !BER_BVISNULL( &opc->sndn ))	if ( !BER_BVISNULL( &opc->sndn ))
Line 1339 syncprov_checkpoint( Operation *op, Slap	Line 1429 syncprov_checkpoint( Operation *op, Slap
SlapReply rsm = { 0 };	SlapReply rsm = { 0 };
slap_callback cb = {0};	slap_callback cb = {0};
BackendDB be;	BackendDB be;
	BackendInfo *bi;

	#ifdef CHECK_CSN
	Syntax *syn = slap_schema.si_ad_contextCSN->ad_type->sat_syntax;

	int i;
	for ( i=0; i<si->si_numcsns; i++ ) {
	assert( !syn->ssyn_validate( syn, si->si_ctxcsn+i ));
	}
	#endif
mod.sml_numvals = si->si_numcsns;	mod.sml_numvals = si->si_numcsns;
mod.sml_values = si->si_ctxcsn;	mod.sml_values = si->si_ctxcsn;
mod.sml_nvalues = NULL;	mod.sml_nvalues = NULL;
Line 1358 syncprov_checkpoint( Operation *op, Slap	Line 1457 syncprov_checkpoint( Operation *op, Slap
be = *on->on_info->oi_origdb;	be = *on->on_info->oi_origdb;
opm.o_bd = &be;	opm.o_bd = &be;
}	}
opm.o_req_dn = opm.o_bd->be_suffix[0];	opm.o_req_dn = si->si_contextdn;
opm.o_req_ndn = opm.o_bd->be_nsuffix[0];	opm.o_req_ndn = si->si_contextdn;
	bi = opm.o_bd->bd_info;
opm.o_bd->bd_info = on->on_info->oi_orig;	opm.o_bd->bd_info = on->on_info->oi_orig;
opm.o_managedsait = SLAP_CONTROL_NONCRITICAL;	opm.o_managedsait = SLAP_CONTROL_NONCRITICAL;
opm.o_no_schema_check = 1;	opm.o_no_schema_check = 1;
opm.o_bd->be_modify( &opm, &rsm );	opm.o_bd->be_modify( &opm, &rsm );

	if ( rsm.sr_err == LDAP_NO_SUCH_OBJECT &&
	SLAP_SYNC_SUBENTRY( opm.o_bd )) {
	const char *text;
	char txtbuf[SLAP_TEXT_BUFLEN];
	size_t textlen = sizeof txtbuf;
	Entry *e = slap_create_context_csn_entry( opm.o_bd, NULL );
	slap_mods2entry( &mod, &e, 0, 1, &text, txtbuf, textlen);
	opm.ora_e = e;
	opm.o_bd->be_add( &opm, &rsm );
	if ( e == opm.ora_e )
	be_entry_release_w( &opm, opm.ora_e );
	}
	opm.o_bd->bd_info = bi;

if ( mod.sml_next != NULL ) {	if ( mod.sml_next != NULL ) {
slap_mods_free( mod.sml_next, 1 );	slap_mods_free( mod.sml_next, 1 );
}	}
	#ifdef CHECK_CSN
	for ( i=0; i<si->si_numcsns; i++ ) {
	assert( !syn->ssyn_validate( syn, si->si_ctxcsn+i ));
	}
	#endif
}	}

static void	static void
Line 1380 syncprov_add_slog( Operation *op )	Line 1500 syncprov_add_slog( Operation *op )

sl = si->si_logs;	sl = si->si_logs;
{	{
	if ( BER_BVISEMPTY( &op->o_csn ) ) {
	/* During the syncrepl refresh phase we can receive operations
	* without a csn. We cannot reliably determine the consumers
	* state with respect to such operations, so we ignore them and
	* wipe out anything in the log if we see them.
	*/
	ldap_pvt_thread_mutex_lock( &sl->sl_mutex );
	while ( se = sl->sl_head ) {
	sl->sl_head = se->se_next;
	ch_free( se );
	}
	sl->sl_tail = NULL;
	sl->sl_num = 0;
	ldap_pvt_thread_mutex_unlock( &sl->sl_mutex );
	return;
	}

/* Allocate a record. UUIDs are not NUL-terminated. */	/* Allocate a record. UUIDs are not NUL-terminated. */
se = ch_malloc( sizeof( slog_entry ) + opc->suuid.bv_len +	se = ch_malloc( sizeof( slog_entry ) + opc->suuid.bv_len +
op->o_csn.bv_len + 1 );	op->o_csn.bv_len + 1 );
Line 1398 syncprov_add_slog( Operation *op )	Line 1535 syncprov_add_slog( Operation *op )

ldap_pvt_thread_mutex_lock( &sl->sl_mutex );	ldap_pvt_thread_mutex_lock( &sl->sl_mutex );
if ( sl->sl_head ) {	if ( sl->sl_head ) {
sl->sl_tail->se_next = se;	/* Keep the list in csn order. */
	if ( ber_bvcmp( &sl->sl_tail->se_csn, &se->se_csn ) <= 0 ) {
	sl->sl_tail->se_next = se;
	sl->sl_tail = se;
	} else {
	slog_entry **sep;

	for ( sep = &sl->sl_head; sep; sep = &(sep)->se_next ) {
	if ( ber_bvcmp( &se->se_csn, &(*sep)->se_csn ) < 0 ) {
	se->se_next = *sep;
	*sep = se;
	break;
	}
	}
	}
} else {	} else {
sl->sl_head = se;	sl->sl_head = se;
	sl->sl_tail = se;
}	}
sl->sl_tail = se;
sl->sl_num++;	sl->sl_num++;
while ( sl->sl_num > sl->sl_size ) {	while ( sl->sl_num > sl->sl_size ) {
se = sl->sl_head;	se = sl->sl_head;
sl->sl_head = se->se_next;	sl->sl_head = se->se_next;
strcpy( sl->sl_mincsn.bv_val, se->se_csn.bv_val );
sl->sl_mincsn.bv_len = se->se_csn.bv_len;
ch_free( se );	ch_free( se );
sl->sl_num--;	sl->sl_num--;
}	}
Line 1434 syncprov_playlog( Operation *op, SlapRep	Line 1583 syncprov_playlog( Operation *op, SlapRep
slap_overinst on = (slap_overinst )op->o_bd->bd_info;	slap_overinst on = (slap_overinst )op->o_bd->bd_info;
slog_entry *se;	slog_entry *se;
int i, j, ndel, num, nmods, mmods;	int i, j, ndel, num, nmods, mmods;
char cbuf[LDAP_LUTIL_CSNSTR_BUFSIZE];	char cbuf[LDAP_PVT_CSNSTR_BUFSIZE];
BerVarray uuids;	BerVarray uuids;
struct berval delcsn[2];	struct berval delcsn[2];

Line 1583 syncprov_playlog( Operation *op, SlapRep	Line 1732 syncprov_playlog( Operation *op, SlapRep

if ( delcsn[0].bv_len ) {	if ( delcsn[0].bv_len ) {
slap_compose_sync_cookie( op, &cookie, delcsn, srs->sr_state.rid,	slap_compose_sync_cookie( op, &cookie, delcsn, srs->sr_state.rid,
srs->sr_state.sid );	slap_serverID ? slap_serverID : -1 );

Debug( LDAP_DEBUG_SYNC, "syncprov_playlog: cookie=%s\n", cookie.bv_val, 0, 0 );	Debug( LDAP_DEBUG_SYNC, "syncprov_playlog: cookie=%s\n", cookie.bv_val, 0, 0 );
}	}
Line 1608 syncprov_op_response( Operation *op, Sla	Line 1757 syncprov_op_response( Operation *op, Sla

if ( rs->sr_err == LDAP_SUCCESS )	if ( rs->sr_err == LDAP_SUCCESS )
{	{
struct berval maxcsn = BER_BVNULL;	struct berval maxcsn;
char cbuf[LDAP_LUTIL_CSNSTR_BUFSIZE];	char cbuf[LDAP_PVT_CSNSTR_BUFSIZE];
int do_check = 0, have_psearches, foundit;	int do_check = 0, have_psearches, foundit, csn_changed = 0;

	ldap_pvt_thread_mutex_lock( &si->si_resp_mutex );

/* Update our context CSN */	/* Update our context CSN */
cbuf[0] = '\0';	cbuf[0] = '\0';
	maxcsn.bv_val = cbuf;
	maxcsn.bv_len = sizeof(cbuf);
ldap_pvt_thread_rdwr_wlock( &si->si_csn_rwlock );	ldap_pvt_thread_rdwr_wlock( &si->si_csn_rwlock );

slap_get_commit_csn( op, &maxcsn, &foundit );	slap_get_commit_csn( op, &maxcsn, &foundit );
if ( BER_BVISNULL( &maxcsn ) && SLAP_GLUE_SUBORDINATE( op->o_bd )) {	if ( BER_BVISEMPTY( &maxcsn ) && SLAP_GLUE_SUBORDINATE( op->o_bd )) {
/* syncrepl queues the CSN values in the db where	/* syncrepl queues the CSN values in the db where
* it is configured , not where the changes are made.	* it is configured , not where the changes are made.
* So look for a value in the glue db if we didn't	* So look for a value in the glue db if we didn't
Line 1624 syncprov_op_response( Operation *op, Sla	Line 1778 syncprov_op_response( Operation *op, Sla
*/	*/
BackendDB *be = op->o_bd;	BackendDB *be = op->o_bd;
op->o_bd = select_backend( &be->be_nsuffix[0], 1);	op->o_bd = select_backend( &be->be_nsuffix[0], 1);
	maxcsn.bv_val = cbuf;
	maxcsn.bv_len = sizeof(cbuf);
slap_get_commit_csn( op, &maxcsn, &foundit );	slap_get_commit_csn( op, &maxcsn, &foundit );
op->o_bd = be;	op->o_bd = be;
}	}
if ( !BER_BVISNULL( &maxcsn ) ) {	if ( !BER_BVISEMPTY( &maxcsn ) ) {
int i, sid;	int i, sid;
strcpy( cbuf, maxcsn.bv_val );	#ifdef CHECK_CSN
	Syntax *syn = slap_schema.si_ad_contextCSN->ad_type->sat_syntax;
	assert( !syn->ssyn_validate( syn, &maxcsn ));
	#endif
sid = slap_parse_csn_sid( &maxcsn );	sid = slap_parse_csn_sid( &maxcsn );
for ( i=0; i<si->si_numcsns; i++ ) {	for ( i=0; i<si->si_numcsns; i++ ) {
if ( sid == si->si_sids[i] ) {	if ( sid == si->si_sids[i] ) {
if ( ber_bvcmp( &maxcsn, &si->si_ctxcsn[i] ) > 0 ) {	if ( ber_bvcmp( &maxcsn, &si->si_ctxcsn[i] ) > 0 ) {
ber_bvreplace( &si->si_ctxcsn[i], &maxcsn );	ber_bvreplace( &si->si_ctxcsn[i], &maxcsn );
	csn_changed = 1;
}	}
break;	break;
}	}
Line 1642 syncprov_op_response( Operation *op, Sla	Line 1802 syncprov_op_response( Operation *op, Sla
/* It's a new SID for us */	/* It's a new SID for us */
if ( i == si->si_numcsns ) {	if ( i == si->si_numcsns ) {
value_add_one( &si->si_ctxcsn, &maxcsn );	value_add_one( &si->si_ctxcsn, &maxcsn );
	csn_changed = 1;
si->si_numcsns++;	si->si_numcsns++;
si->si_sids = ch_realloc( si->si_sids, si->si_numcsns *	si->si_sids = ch_realloc( si->si_sids, si->si_numcsns *
sizeof(int));	sizeof(int));
si->si_sids[i] = sid;	si->si_sids[i] = sid;
}	}
} else if ( !foundit ) {
/* internal ops that aren't meant to be replicated */
ldap_pvt_thread_rdwr_wunlock( &si->si_csn_rwlock );
return SLAP_CB_CONTINUE;
}	}

/* Don't do any processing for consumer contextCSN updates */	/* Don't do any processing for consumer contextCSN updates */
if ( op->o_dont_replicate ) {	if ( op->o_dont_replicate ) {
	if ( op->o_tag == LDAP_REQ_MODIFY &&
	op->orm_modlist->sml_op == LDAP_MOD_REPLACE &&
	op->orm_modlist->sml_desc == slap_schema.si_ad_contextCSN ) {
	/* Catch contextCSN updates from syncrepl. We have to look at
	* all the attribute values, as there may be more than one csn
	* that changed, and only one can be passed in the csn queue.
	*/
	Modifications *mod = op->orm_modlist;
	int i, j, sid;

	for ( i=0; i<mod->sml_numvals; i++ ) {
	sid = slap_parse_csn_sid( &mod->sml_values[i] );
	for ( j=0; j<si->si_numcsns; j++ ) {
	if ( sid == si->si_sids[j] ) {
	if ( ber_bvcmp( &mod->sml_values[i], &si->si_ctxcsn[j] ) > 0 ) {
	ber_bvreplace( &si->si_ctxcsn[j], &mod->sml_values[i] );
	csn_changed = 1;
	}
	break;
	}
	}

	if ( j == si->si_numcsns ) {
	value_add_one( &si->si_ctxcsn, &mod->sml_values[i] );
	si->si_numcsns++;
	si->si_sids = ch_realloc( si->si_sids, si->si_numcsns *
	sizeof(int));
	si->si_sids[j] = sid;
	csn_changed = 1;
	}
	}
	if ( csn_changed )
	si->si_dirty = 0;
ldap_pvt_thread_rdwr_wunlock( &si->si_csn_rwlock );	ldap_pvt_thread_rdwr_wunlock( &si->si_csn_rwlock );
return SLAP_CB_CONTINUE;
	if ( csn_changed ) {
	syncops *ss;
	ldap_pvt_thread_mutex_lock( &si->si_ops_mutex );
	for ( ss = si->si_ops; ss; ss = ss->s_next ) {
	if ( ss->s_op->o_abandon )
	continue;
	/* Send the updated csn to all syncrepl consumers,
	* including the server from which it originated.
	* The syncrepl consumer and syncprov provider on
	* the originating server may be configured to store
	* their csn values in different entries.
	*/
	syncprov_qresp( opc, ss, LDAP_SYNC_NEW_COOKIE );
	}
	ldap_pvt_thread_mutex_unlock( &si->si_ops_mutex );
	}
	} else {
	ldap_pvt_thread_rdwr_wunlock( &si->si_csn_rwlock );
	}
	goto leave;
}	}

si->si_numops++;	si->si_numops++;
if ( si->si_chkops \|\| si->si_chktime ) {	if ( si->si_chkops \|\| si->si_chktime ) {
if ( si->si_chkops && si->si_numops >= si->si_chkops ) {	/* Never checkpoint adding the context entry,
do_check = 1;	* it will deadlock
si->si_numops = 0;	*/
}	if ( op->o_tag != LDAP_REQ_ADD \|\|
if ( si->si_chktime &&	!dn_match( &op->o_req_ndn, &si->si_contextdn )) {
(op->o_time - si->si_chklast >= si->si_chktime )) {	if ( si->si_chkops && si->si_numops >= si->si_chkops ) {
if ( si->si_chklast ) {
do_check = 1;	do_check = 1;
si->si_chklast = op->o_time;	si->si_numops = 0;
} else {	}
si->si_chklast = 1;	if ( si->si_chktime &&
	(op->o_time - si->si_chklast >= si->si_chktime )) {
	if ( si->si_chklast ) {
	do_check = 1;
	si->si_chklast = op->o_time;
	} else {
	si->si_chklast = 1;
	}
}	}
}	}
}	}
	si->si_dirty = !csn_changed;
ldap_pvt_thread_rdwr_wunlock( &si->si_csn_rwlock );	ldap_pvt_thread_rdwr_wunlock( &si->si_csn_rwlock );

if ( do_check ) {	if ( do_check ) {
Line 1683 syncprov_op_response( Operation *op, Sla	Line 1900 syncprov_op_response( Operation *op, Sla
ldap_pvt_thread_rdwr_runlock( &si->si_csn_rwlock );	ldap_pvt_thread_rdwr_runlock( &si->si_csn_rwlock );
}	}

/* only update consumer ctx if this is the greatest csn */	/* only update consumer ctx if this is a newer csn */
if ( bvmatch( &maxcsn, &op->o_csn )) {	if ( csn_changed ) {
opc->sctxcsn.bv_len = maxcsn.bv_len;	opc->sctxcsn = maxcsn;
opc->sctxcsn.bv_val = cbuf;
}	}

/* Handle any persistent searches */	/* Handle any persistent searches */
Line 1718 syncprov_op_response( Operation *op, Sla	Line 1934 syncprov_op_response( Operation *op, Sla
if ( si->si_logs && op->o_tag != LDAP_REQ_ADD ) {	if ( si->si_logs && op->o_tag != LDAP_REQ_ADD ) {
syncprov_add_slog( op );	syncprov_add_slog( op );
}	}
	leave: ldap_pvt_thread_mutex_unlock( &si->si_resp_mutex );
}	}
return SLAP_CB_CONTINUE;	return SLAP_CB_CONTINUE;
}	}
Line 1734 syncprov_op_compare( Operation *op, Slap	Line 1950 syncprov_op_compare( Operation *op, Slap
syncprov_info_t *si = on->on_bi.bi_private;	syncprov_info_t *si = on->on_bi.bi_private;
int rc = SLAP_CB_CONTINUE;	int rc = SLAP_CB_CONTINUE;

if ( dn_match( &op->o_req_ndn, op->o_bd->be_nsuffix ) &&	if ( dn_match( &op->o_req_ndn, &si->si_contextdn ) &&
op->oq_compare.rs_ava->aa_desc == slap_schema.si_ad_contextCSN )	op->oq_compare.rs_ava->aa_desc == slap_schema.si_ad_contextCSN )
{	{
Entry e = {0};	Entry e = {0};
Attribute a = {0};	Attribute a = {0};

e.e_name = op->o_bd->be_suffix[0];	e.e_name = si->si_contextdn;
e.e_nname = op->o_bd->be_nsuffix[0];	e.e_nname = si->si_contextdn;
e.e_attrs = &a;	e.e_attrs = &a;

a.a_desc = slap_schema.si_ad_contextCSN;	a.a_desc = slap_schema.si_ad_contextCSN;
Line 1750 syncprov_op_compare( Operation *op, Slap	Line 1966 syncprov_op_compare( Operation *op, Slap

a.a_vals = si->si_ctxcsn;	a.a_vals = si->si_ctxcsn;
a.a_nvals = a.a_vals;	a.a_nvals = a.a_vals;
	a.a_numvals = si->si_numcsns;

rs->sr_err = access_allowed( op, &e, op->oq_compare.rs_ava->aa_desc,	rs->sr_err = access_allowed( op, &e, op->oq_compare.rs_ava->aa_desc,
&op->oq_compare.rs_ava->aa_value, ACL_COMPARE, NULL );	&op->oq_compare.rs_ava->aa_value, ACL_COMPARE, NULL );
Line 1802 syncprov_op_mod( Operation *op, SlapRepl	Line 2019 syncprov_op_mod( Operation *op, SlapRepl

ldap_pvt_thread_mutex_lock( &si->si_ops_mutex );	ldap_pvt_thread_mutex_lock( &si->si_ops_mutex );
have_psearches = ( si->si_ops != NULL );	have_psearches = ( si->si_ops != NULL );
	si->si_active++;
ldap_pvt_thread_mutex_unlock( &si->si_ops_mutex );	ldap_pvt_thread_mutex_unlock( &si->si_ops_mutex );

cbsize = sizeof(slap_callback) + sizeof(opcookie) +	cbsize = sizeof(slap_callback) + sizeof(opcookie) +
Line 1816 syncprov_op_mod( Operation *op, SlapRepl	Line 2034 syncprov_op_mod( Operation *op, SlapRepl
cb->sc_next = op->o_callback;	cb->sc_next = op->o_callback;
op->o_callback = cb;	op->o_callback = cb;

	opc->osid = -1;
	opc->rsid = -1;
	if ( op->o_csn.bv_val ) {
	opc->osid = slap_parse_csn_sid( &op->o_csn );
	}
	if ( op->o_controls ) {
	struct sync_cookie *scook =
	op->o_controls[slap_cids.sc_LDAPsync];
	if ( scook )
	opc->rsid = scook->sid;
	}

/* If there are active persistent searches, lock this operation.	/* If there are active persistent searches, lock this operation.
* See seqmod.c for the locking logic on its own.	* See seqmod.c for the locking logic on its own.
*/	*/
Line 1832 syncprov_op_mod( Operation *op, SlapRepl	Line 2062 syncprov_op_mod( Operation *op, SlapRepl
mt = avl_find( si->si_mods, &mtdummy, sp_avl_cmp );	mt = avl_find( si->si_mods, &mtdummy, sp_avl_cmp );
if ( mt ) {	if ( mt ) {
ldap_pvt_thread_mutex_lock( &mt->mt_mutex );	ldap_pvt_thread_mutex_lock( &mt->mt_mutex );
	if ( mt->mt_mods == NULL ) {
	/* Cannot reuse this mt, as another thread is about
	* to release it in syncprov_op_cleanup.
	*/
	ldap_pvt_thread_mutex_unlock( &mt->mt_mutex );
	mt = NULL;
	}
	}
	if ( mt ) {
ldap_pvt_thread_mutex_unlock( &si->si_mods_mutex );	ldap_pvt_thread_mutex_unlock( &si->si_mods_mutex );
mt->mt_tail->mi_next = mi;	mt->mt_tail->mi_next = mi;
mt->mt_tail = mi;	mt->mt_tail = mi;
Line 1843 syncprov_op_mod( Operation *op, SlapRepl	Line 2082 syncprov_op_mod( Operation *op, SlapRepl
* Currently it's not an issue because there are	* Currently it's not an issue because there are
* no dynamic config deletes...	* no dynamic config deletes...
*/	*/
	if ( slapd_shutdown )
	return SLAPD_ABANDON;

if ( !ldap_pvt_thread_pool_pausecheck( &connection_pool ))	if ( !ldap_pvt_thread_pool_pausecheck( &connection_pool ))
ldap_pvt_thread_yield();	ldap_pvt_thread_yield();
ldap_pvt_thread_mutex_lock( &mt->mt_mutex );	ldap_pvt_thread_mutex_lock( &mt->mt_mutex );
Line 1870 syncprov_op_mod( Operation *op, SlapRepl	Line 2112 syncprov_op_mod( Operation *op, SlapRepl
avl_insert( &si->si_mods, mt, sp_avl_cmp, avl_dup_error );	avl_insert( &si->si_mods, mt, sp_avl_cmp, avl_dup_error );
ldap_pvt_thread_mutex_unlock( &si->si_mods_mutex );	ldap_pvt_thread_mutex_unlock( &si->si_mods_mutex );
}	}
	opc->smt = mt;
}	}

if (( have_psearches \|\| si->si_logs ) && op->o_tag != LDAP_REQ_ADD )	if (( have_psearches \|\| si->si_logs ) && op->o_tag != LDAP_REQ_ADD )
Line 1949 syncprov_detach_op( Operation *op, synco	Line 2192 syncprov_detach_op( Operation *op, synco
op2->o_time = op->o_time;	op2->o_time = op->o_time;
op2->o_bd = on->on_info->oi_origdb;	op2->o_bd = on->on_info->oi_origdb;
op2->o_request = op->o_request;	op2->o_request = op->o_request;
	op2->o_managedsait = op->o_managedsait;
LDAP_SLIST_FIRST(&op2->o_extra)->oe_key = on;	LDAP_SLIST_FIRST(&op2->o_extra)->oe_key = on;
LDAP_SLIST_NEXT(LDAP_SLIST_FIRST(&op2->o_extra), oe_next) = NULL;	LDAP_SLIST_NEXT(LDAP_SLIST_FIRST(&op2->o_extra), oe_next) = NULL;

Line 2084 syncprov_search_response( Operation *op,	Line 2328 syncprov_search_response( Operation *op,
/* If we're in delta-sync mode, always send a cookie */	/* If we're in delta-sync mode, always send a cookie */
if ( si->si_nopres && si->si_usehint && a ) {	if ( si->si_nopres && si->si_usehint && a ) {
struct berval cookie;	struct berval cookie;
slap_compose_sync_cookie( op, &cookie, a->a_nvals, srs->sr_state.rid, srs->sr_state.sid );	slap_compose_sync_cookie( op, &cookie, a->a_nvals, srs->sr_state.rid, slap_serverID ? slap_serverID : -1 );
rs->sr_err = syncprov_state_ctrl( op, rs, rs->sr_entry,	rs->sr_err = syncprov_state_ctrl( op, rs, rs->sr_entry,
LDAP_SYNC_ADD, rs->sr_ctrls, 0, 1, &cookie );	LDAP_SYNC_ADD, rs->sr_ctrls, 0, 1, &cookie );
} else {	} else {
Line 2092 syncprov_search_response( Operation *op,	Line 2336 syncprov_search_response( Operation *op,
LDAP_SYNC_ADD, rs->sr_ctrls, 0, 0, NULL );	LDAP_SYNC_ADD, rs->sr_ctrls, 0, 0, NULL );
}	}
} else if ( rs->sr_type == REP_RESULT && rs->sr_err == LDAP_SUCCESS ) {	} else if ( rs->sr_type == REP_RESULT && rs->sr_err == LDAP_SUCCESS ) {
struct berval cookie;	struct berval cookie = BER_BVNULL;

if ( ss->ss_flags & SS_CHANGED ) {	if ( ( ss->ss_flags & SS_CHANGED ) &&
	ss->ss_ctxcsn && !BER_BVISNULL( &ss->ss_ctxcsn[0] )) {
slap_compose_sync_cookie( op, &cookie, ss->ss_ctxcsn,	slap_compose_sync_cookie( op, &cookie, ss->ss_ctxcsn,
srs->sr_state.rid, srs->sr_state.sid );	srs->sr_state.rid, slap_serverID ? slap_serverID : -1 );

Debug( LDAP_DEBUG_SYNC, "syncprov_search_response: cookie=%s\n", cookie.bv_val, 0, 0 );	Debug( LDAP_DEBUG_SYNC, "syncprov_search_response: cookie=%s\n", cookie.bv_val, 0, 0 );
}	}
Line 2118 syncprov_search_response( Operation *op,	Line 2363 syncprov_search_response( Operation *op,
LDAP_TAG_SYNC_REFRESH_PRESENT : LDAP_TAG_SYNC_REFRESH_DELETE,	LDAP_TAG_SYNC_REFRESH_PRESENT : LDAP_TAG_SYNC_REFRESH_DELETE,
( ss->ss_flags & SS_CHANGED ) ? &cookie : NULL,	( ss->ss_flags & SS_CHANGED ) ? &cookie : NULL,
1, NULL, 0 );	1, NULL, 0 );
if ( ss->ss_flags & SS_CHANGED )	if ( !BER_BVISNULL( &cookie ))
op->o_tmpfree( cookie.bv_val, op->o_tmpmemctx );	op->o_tmpfree( cookie.bv_val, op->o_tmpmemctx );

/* Detach this Op from frontend control */	/* 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 );	ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );

/* But not if this connection was closed along the way */	/* But not if this connection was closed along the way */
if ( op->o_abandon ) {	if ( op->o_abandon ) {
ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );	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 */	/* syncprov_ab_cleanup will free this syncop */
return SLAPD_ABANDON;	return SLAPD_ABANDON;

} else {	} else {
	ldap_pvt_thread_mutex_lock( &ss->ss_so->s_mutex );
/* Turn off the refreshing flag */	/* Turn off the refreshing flag */
ss->ss_so->s_flags ^= PS_IS_REFRESHING;	ss->ss_so->s_flags ^= PS_IS_REFRESHING;

Line 2143 syncprov_search_response( Operation *op,	Line 2387 syncprov_search_response( Operation *op,
/* If there are queued responses, fire them off */	/* If there are queued responses, fire them off */
if ( ss->ss_so->s_res )	if ( ss->ss_so->s_res )
syncprov_qstart( ss->ss_so );	syncprov_qstart( ss->ss_so );
	ldap_pvt_thread_mutex_unlock( &ss->ss_so->s_mutex );
}	}
ldap_pvt_thread_mutex_unlock( &ss->ss_so->s_mutex );

return LDAP_SUCCESS;	return LDAP_SUCCESS;
}	}
Line 2166 syncprov_op_search( Operation *op, SlapR	Line 2410 syncprov_op_search( Operation *op, SlapR
BerVarray ctxcsn;	BerVarray ctxcsn;
int i, *sids, numcsns;	int i, *sids, numcsns;
struct berval mincsn;	struct berval mincsn;
	int dirty = 0;

if ( !(op->o_sync_mode & SLAP_SYNC_REFRESH) ) return SLAP_CB_CONTINUE;	if ( !(op->o_sync_mode & SLAP_SYNC_REFRESH) ) return SLAP_CB_CONTINUE;

Line 2175 syncprov_op_search( Operation *op, SlapR	Line 2420 syncprov_op_search( Operation *op, SlapR
}	}

srs = op->o_controls[slap_cids.sc_LDAPsync];	srs = op->o_controls[slap_cids.sc_LDAPsync];
op->o_managedsait = SLAP_CONTROL_NONCRITICAL;

/* If this is a persistent search, set it up right away */	/* If this is a persistent search, set it up right away */
if ( op->o_sync_mode & SLAP_SYNC_PERSIST ) {	if ( op->o_sync_mode & SLAP_SYNC_PERSIST ) {
Line 2211 syncprov_op_search( Operation *op, SlapR	Line 2455 syncprov_op_search( Operation *op, SlapR
sop->s_inuse = 1;	sop->s_inuse = 1;

ldap_pvt_thread_mutex_lock( &si->si_ops_mutex );	ldap_pvt_thread_mutex_lock( &si->si_ops_mutex );
	while ( si->si_active ) {
	/* Wait for active mods to finish before proceeding, as they
	* may already have inspected the si_ops list looking for
	* consumers to replicate the change to. Using the log
	* doesn't help, as we may finish playing it before the
	* active mods gets added to it.
	*/
	ldap_pvt_thread_mutex_unlock( &si->si_ops_mutex );
	if ( slapd_shutdown )
	return SLAPD_ABANDON;
	if ( !ldap_pvt_thread_pool_pausecheck( &connection_pool ))
	ldap_pvt_thread_yield();
	ldap_pvt_thread_mutex_lock( &si->si_ops_mutex );
	}
sop->s_next = si->si_ops;	sop->s_next = si->si_ops;
si->si_ops = sop;	si->si_ops = sop;
ldap_pvt_thread_mutex_unlock( &si->si_ops_mutex );	ldap_pvt_thread_mutex_unlock( &si->si_ops_mutex );
Line 2228 syncprov_op_search( Operation *op, SlapR	Line 2486 syncprov_op_search( Operation *op, SlapR
ctxcsn = NULL;	ctxcsn = NULL;
sids = NULL;	sids = NULL;
}	}
	dirty = si->si_dirty;
ldap_pvt_thread_rdwr_runlock( &si->si_csn_rwlock );	ldap_pvt_thread_rdwr_runlock( &si->si_csn_rwlock );

/* If we have a cookie, handle the PRESENT lookups */	/* If we have a cookie, handle the PRESENT lookups */
Line 2274 syncprov_op_search( Operation *op, SlapR	Line 2533 syncprov_op_search( Operation *op, SlapR

/* If nothing has changed, shortcut it */	/* If nothing has changed, shortcut it */
if ( srs->sr_state.numcsns == numcsns ) {	if ( srs->sr_state.numcsns == numcsns ) {
int i, j;	int i, j, newer;
for ( i=0; i<srs->sr_state.numcsns; i++ ) {	for ( i=0; i<srs->sr_state.numcsns; i++ ) {
for ( j=0; j<numcsns; j++ ) {	for ( j=0; j<numcsns; j++ ) {
if ( srs->sr_state.sids[i] != sids[j] )	if ( srs->sr_state.sids[i] != sids[j] )
continue;	continue;
if ( !bvmatch( &srs->sr_state.ctxcsn[i], &ctxcsn[j] ))	newer = ber_bvcmp( &srs->sr_state.ctxcsn[i], &ctxcsn[j] );
	/* If our state is newer, tell consumer about changes */
	if ( newer < 0 )
changed = SS_CHANGED;	changed = SS_CHANGED;
	else if ( newer > 0 ) {
	/* our state is older, complain to consumer */
	rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
	rs->sr_text = "consumer state is newer than provider!";
	bailout:
	if ( sop ) {
	syncops **sp = &si->si_ops;

	ldap_pvt_thread_mutex_lock( &si->si_ops_mutex );
	while ( *sp != sop )
	sp = &(*sp)->s_next;
	*sp = sop->s_next;
	ldap_pvt_thread_mutex_unlock( &si->si_ops_mutex );
	ch_free( sop );
	}
	rs->sr_ctrls = NULL;
	send_ldap_result( op, rs );
	return rs->sr_err;
	}
break;	break;
}	}
if ( changed )	if ( changed )
break;	break;
}	}
if ( !changed ) {	if ( !changed && !dirty ) {
do_present = 0;	do_present = 0;
no_change: if ( !(op->o_sync_mode & SLAP_SYNC_PERSIST) ) {	no_change: if ( !(op->o_sync_mode & SLAP_SYNC_PERSIST) ) {
LDAPControl *ctrls[2];	LDAPControl *ctrls[2];
Line 2314 no_change: if ( !(op->o_sync_mode & SLA	Line 2594 no_change: if ( !(op->o_sync_mode & SLA
/* Are there any log entries, and is the consumer state	/* Are there any log entries, and is the consumer state
* present in the session log?	* present in the session log?
*/	*/
if ( sl->sl_num > 0 && ber_bvcmp( &mincsn, &sl->sl_mincsn ) >= 0 ) {	if ( sl->sl_num > 0 && ber_bvcmp( &mincsn, &sl->sl_head->se_csn ) >= 0 ) {
do_present = 0;	do_present = 0;
/* mutex is unlocked in playlog */	/* mutex is unlocked in playlog */
syncprov_playlog( op, rs, sl, srs, ctxcsn, numcsns, sids );	syncprov_playlog( op, rs, sl, srs, ctxcsn, numcsns, sids );
Line 2331 no_change: if ( !(op->o_sync_mode & SLA	Line 2611 no_change: if ( !(op->o_sync_mode & SLA
ber_bvarray_free_x( ctxcsn, op->o_tmpmemctx );	ber_bvarray_free_x( ctxcsn, op->o_tmpmemctx );
if ( sids )	if ( sids )
op->o_tmpfree( sids, op->o_tmpmemctx );	op->o_tmpfree( sids, op->o_tmpmemctx );
send_ldap_error( op, rs, LDAP_SYNC_REFRESH_REQUIRED, "sync cookie is stale" );	rs->sr_err = LDAP_SYNC_REFRESH_REQUIRED;
return rs->sr_err;	rs->sr_text = "sync cookie is stale";
	goto bailout;
}	}
if ( srs->sr_state.ctxcsn ) {	if ( srs->sr_state.ctxcsn ) {
ber_bvarray_free_x( srs->sr_state.ctxcsn, op->o_tmpmemctx );	ber_bvarray_free_x( srs->sr_state.ctxcsn, op->o_tmpmemctx );
Line 2352 no_change: if ( !(op->o_sync_mode & SLA	Line 2633 no_change: if ( !(op->o_sync_mode & SLA
ber_bvarray_free_x( ctxcsn, op->o_tmpmemctx );	ber_bvarray_free_x( ctxcsn, op->o_tmpmemctx );
if ( sids )	if ( sids )
op->o_tmpfree( sids, op->o_tmpmemctx );	op->o_tmpfree( sids, op->o_tmpmemctx );
send_ldap_result( op, rs );	goto bailout;
return rs->sr_err;
}	}
}	}
} else {	} else {
Line 2370 shortcut:	Line 2650 shortcut:
}	}

/* If something changed, find the changes */	/* If something changed, find the changes */
if ( gotstate && changed ) {	if ( gotstate && ( changed \|\| dirty ) ) {
Filter fand, fava;	Filter fand, fava;

fand = op->o_tmpalloc( sizeof(Filter), op->o_tmpmemctx );	fand = op->o_tmpalloc( sizeof(Filter), op->o_tmpmemctx );
Line 2386 shortcut:	Line 2666 shortcut:
#endif	#endif
ber_dupbv_x( &fava->f_ava->aa_value, &mincsn, op->o_tmpmemctx );	ber_dupbv_x( &fava->f_ava->aa_value, &mincsn, op->o_tmpmemctx );
fava->f_next = op->ors_filter;	fava->f_next = op->ors_filter;
	if ( sop )
	ldap_pvt_thread_mutex_lock( &sop->s_mutex );
op->ors_filter = fand;	op->ors_filter = fand;
filter2bv_x( op, op->ors_filter, &op->ors_filterstr );	filter2bv_x( op, op->ors_filter, &op->ors_filterstr );
if ( sop )	if ( sop ) {
sop->s_flags \|= PS_FIX_FILTER;	sop->s_flags \|= PS_FIX_FILTER;
	ldap_pvt_thread_mutex_unlock( &sop->s_mutex );
	}
}	}

/* Let our callback add needed info to returned entries */	/* Let our callback add needed info to returned entries */
Line 2411 shortcut:	Line 2695 shortcut:
* the refresh phase, just invoke the response callback to transition	* the refresh phase, just invoke the response callback to transition
* us into persist phase	* us into persist phase
*/	*/
if ( !changed ) {	if ( !changed && !dirty ) {
rs->sr_err = LDAP_SUCCESS;	rs->sr_err = LDAP_SUCCESS;
rs->sr_nentries = 0;	rs->sr_nentries = 0;
send_ldap_result( op, rs );	send_ldap_result( op, rs );
Line 2435 syncprov_operational(	Line 2719 syncprov_operational(
return SLAP_CB_CONTINUE;	return SLAP_CB_CONTINUE;

if ( rs->sr_entry &&	if ( rs->sr_entry &&
dn_match( &rs->sr_entry->e_nname, op->o_bd->be_nsuffix )) {	dn_match( &rs->sr_entry->e_nname, &si->si_contextdn )) {

if ( SLAP_OPATTRS( rs->sr_attr_flags ) \|\|	if ( SLAP_OPATTRS( rs->sr_attr_flags ) \|\|
ad_inlist( slap_schema.si_ad_contextCSN, rs->sr_attrs )) {	ad_inlist( slap_schema.si_ad_contextCSN, rs->sr_attrs )) {
Line 2542 sp_cf_gen(ConfigArgs *c)	Line 2826 sp_cf_gen(ConfigArgs *c)
case SP_CHKPT:	case SP_CHKPT:
if ( si->si_chkops \|\| si->si_chktime ) {	if ( si->si_chkops \|\| si->si_chktime ) {
struct berval bv;	struct berval bv;
	/* we assume si_chktime is a multiple of 60
	* because the parsed value was originally
	* multiplied by 60 */
bv.bv_len = snprintf( c->cr_msg, sizeof( c->cr_msg ),	bv.bv_len = snprintf( c->cr_msg, sizeof( c->cr_msg ),
"%d %d", si->si_chkops, si->si_chktime );	"%d %d", si->si_chkops, si->si_chktime/60 );
if ( bv.bv_len >= sizeof( c->cr_msg ) ) {	if ( bv.bv_len >= sizeof( c->cr_msg ) ) {
rc = 1;	rc = 1;
} else {	} else {
Line 2649 sp_cf_gen(ConfigArgs *c)	Line 2936 sp_cf_gen(ConfigArgs *c)
}	}
sl = si->si_logs;	sl = si->si_logs;
if ( !sl ) {	if ( !sl ) {
sl = ch_malloc( sizeof( sessionlog ) + LDAP_LUTIL_CSNSTR_BUFSIZE );	sl = ch_malloc( sizeof( sessionlog ) );
sl->sl_mincsn.bv_val = (char *)(sl+1);
sl->sl_mincsn.bv_len = 0;
sl->sl_num = 0;	sl->sl_num = 0;
sl->sl_head = sl->sl_tail = NULL;	sl->sl_head = sl->sl_tail = NULL;
ldap_pvt_thread_mutex_init( &sl->sl_mutex );	ldap_pvt_thread_mutex_init( &sl->sl_mutex );
Line 2719 syncprov_db_open(	Line 3004 syncprov_db_open(
}	}

thrctx = ldap_pvt_thread_pool_context();	thrctx = ldap_pvt_thread_pool_context();
connection_fake_init( &conn, &opbuf, thrctx );	connection_fake_init2( &conn, &opbuf, thrctx, 0 );
op = &opbuf.ob_op;	op = &opbuf.ob_op;
op->o_bd = be;	op->o_bd = be;
op->o_dn = be->be_rootdn;	op->o_dn = be->be_rootdn;
op->o_ndn = be->be_rootndn;	op->o_ndn = be->be_rootndn;

rc = overlay_entry_get_ov( op, be->be_nsuffix, NULL,	if ( SLAP_SYNC_SUBENTRY( be )) {
	build_new_dn( &si->si_contextdn, be->be_nsuffix,
	(struct berval *)&slap_ldapsync_cn_bv, NULL );
	} else {
	si->si_contextdn = be->be_nsuffix[0];
	}
	rc = overlay_entry_get_ov( op, &si->si_contextdn, NULL,
slap_schema.si_ad_contextCSN, 0, &e, on );	slap_schema.si_ad_contextCSN, 0, &e, on );

if ( e ) {	if ( e ) {
Line 2749 syncprov_db_open(	Line 3040 syncprov_db_open(

/* Didn't find a contextCSN, should we generate one? */	/* Didn't find a contextCSN, should we generate one? */
if ( !si->si_ctxcsn ) {	if ( !si->si_ctxcsn ) {
char csnbuf[ LDAP_LUTIL_CSNSTR_BUFSIZE ];	char csnbuf[ LDAP_PVT_CSNSTR_BUFSIZE ];
struct berval csn;	struct berval csn;

if ( SLAP_SYNC_SHADOW( op->o_bd )) {	if ( SLAP_SYNC_SHADOW( op->o_bd )) {
Line 2786 syncprov_db_close(	Line 3077 syncprov_db_close(
{	{
slap_overinst on = (slap_overinst ) be->bd_info;	slap_overinst on = (slap_overinst ) be->bd_info;
syncprov_info_t si = (syncprov_info_t )on->on_bi.bi_private;	syncprov_info_t si = (syncprov_info_t )on->on_bi.bi_private;
	#ifdef SLAP_CONFIG_DELETE
	syncops so, sonext;
	#endif /* SLAP_CONFIG_DELETE */

if ( slapMode & SLAP_TOOL_MODE ) {	if ( slapMode & SLAP_TOOL_MODE ) {
return 0;	return 0;
Line 2798 syncprov_db_close(	Line 3092 syncprov_db_close(
void *thrctx;	void *thrctx;

thrctx = ldap_pvt_thread_pool_context();	thrctx = ldap_pvt_thread_pool_context();
connection_fake_init( &conn, &opbuf, thrctx );	connection_fake_init2( &conn, &opbuf, thrctx, 0 );
op = &opbuf.ob_op;	op = &opbuf.ob_op;
op->o_bd = be;	op->o_bd = be;
op->o_dn = be->be_rootdn;	op->o_dn = be->be_rootdn;
Line 2806 syncprov_db_close(	Line 3100 syncprov_db_close(
syncprov_checkpoint( op, &rs, on );	syncprov_checkpoint( op, &rs, on );
}	}

	#ifdef SLAP_CONFIG_DELETE
	ldap_pvt_thread_mutex_lock( &si->si_ops_mutex );
	for ( so=si->si_ops, sonext=so; so; so=sonext ) {
	SlapReply rs = {REP_RESULT};
	rs.sr_err = LDAP_UNAVAILABLE;
	send_ldap_result( so->s_op, &rs );
	sonext=so->s_next;
	syncprov_drop_psearch( so, 0);
	}
	si->si_ops=NULL;
	ldap_pvt_thread_mutex_unlock( &si->si_ops_mutex );
	overlay_unregister_control( be, LDAP_CONTROL_SYNC );
	#endif /* SLAP_CONFIG_DELETE */

return 0;	return 0;
}	}

Line 2830 syncprov_db_init(	Line 3138 syncprov_db_init(
ldap_pvt_thread_rdwr_init( &si->si_csn_rwlock );	ldap_pvt_thread_rdwr_init( &si->si_csn_rwlock );
ldap_pvt_thread_mutex_init( &si->si_ops_mutex );	ldap_pvt_thread_mutex_init( &si->si_ops_mutex );
ldap_pvt_thread_mutex_init( &si->si_mods_mutex );	ldap_pvt_thread_mutex_init( &si->si_mods_mutex );
	ldap_pvt_thread_mutex_init( &si->si_resp_mutex );

csn_anlist[0].an_desc = slap_schema.si_ad_entryCSN;	csn_anlist[0].an_desc = slap_schema.si_ad_entryCSN;
csn_anlist[0].an_name = slap_schema.si_ad_entryCSN->ad_cname;	csn_anlist[0].an_name = slap_schema.si_ad_entryCSN->ad_cname;
Line 2861 syncprov_db_destroy(	Line 3170 syncprov_db_destroy(
se = se_next;	se = se_next;
}	}

	ldap_pvt_thread_mutex_destroy(&si->si_logs->sl_mutex);
ch_free( si->si_logs );	ch_free( si->si_logs );
}	}
if ( si->si_ctxcsn )	if ( si->si_ctxcsn )
ber_bvarray_free( si->si_ctxcsn );	ber_bvarray_free( si->si_ctxcsn );
if ( si->si_sids )	if ( si->si_sids )
ch_free( si->si_sids );	ch_free( si->si_sids );
	ldap_pvt_thread_mutex_destroy( &si->si_resp_mutex );
ldap_pvt_thread_mutex_destroy( &si->si_mods_mutex );	ldap_pvt_thread_mutex_destroy( &si->si_mods_mutex );
ldap_pvt_thread_mutex_destroy( &si->si_ops_mutex );	ldap_pvt_thread_mutex_destroy( &si->si_ops_mutex );
ldap_pvt_thread_rdwr_destroy( &si->si_csn_rwlock );	ldap_pvt_thread_rdwr_destroy( &si->si_csn_rwlock );

Removed from v.1.253
changed lines
	Added in v.1.321