/* syncprov.c - syncrepl provider */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Copyright 2004-2005 The OpenLDAP Foundation.
+ * Copyright 2004-2006 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
int si_chktime;
int si_numops; /* number of ops since last checkpoint */
int si_nopres; /* Skip present phase */
+ int si_usehint; /* use reload hint */
time_t si_chklast; /* time of last checkpoint */
Avlnode *si_mods; /* entries being modified */
sessionlog *si_logs;
return LDAP_SUCCESS;
}
+static Filter generic_filter = { LDAP_FILTER_PRESENT, { 0 }, NULL };
+static struct berval generic_filterstr = BER_BVC("(objectclass=*)");
+
static int
syncprov_findbase( Operation *op, fbase_cookie *fc )
{
fop.ors_tlimit = SLAP_NO_LIMIT;
fop.ors_attrs = slap_anlist_no_attrs;
fop.ors_attrsonly = 1;
+ fop.ors_filter = &generic_filter;
+ fop.ors_filterstr = generic_filterstr;
fop.o_bd->bd_info = on->on_info->oi_orig;
rc = fop.o_bd->be_search( &fop, &frs );
case LDAP_SCOPE_SUBTREE:
fc->fscope = dnIsSuffix( fc->fdn, &fc->fss->s_base );
break;
-#ifdef LDAP_SCOPE_SUBORDINATE
case LDAP_SCOPE_SUBORDINATE:
fc->fscope = dnIsSuffix( fc->fdn, &fc->fss->s_base ) &&
!dn_match( fc->fdn, &fc->fss->s_base );
break;
-#endif
}
}
* CSN, and generate Present records for them. We always collect this result
* in SyncID sets, even if there's only one match.
*/
-#define FIND_MAXCSN 1
-#define FIND_CSN 2
-#define FIND_PRESENT 3
+typedef enum find_csn_t {
+ FIND_MAXCSN = 1,
+ FIND_CSN = 2,
+ FIND_PRESENT = 3
+} find_csn_t;
static int
findmax_cb( Operation *op, SlapReply *rs )
{
slap_callback *sc = op->o_callback;
- if ( rs->sr_type == REP_SEARCH && rs->sr_err == LDAP_SUCCESS ) {
+ /* We just want to know that at least one exists, so it's OK if
+ * we exceed the unchecked limit.
+ */
+ if ( rs->sr_err == LDAP_ADMINLIMIT_EXCEEDED ||
+ (rs->sr_type == REP_SEARCH && rs->sr_err == LDAP_SUCCESS )) {
sc->sc_private = (void *)1;
}
return LDAP_SUCCESS;
}
static int
-syncprov_findcsn( Operation *op, int mode )
+syncprov_findcsn( Operation *op, find_csn_t mode )
{
slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
syncprov_info_t *si = on->on_bi.bi_private;
#else
AttributeAssertion eq = { NULL, BER_BVNULL };
#endif
- int i, rc = LDAP_SUCCESS;
fpres_cookie pcookie;
sync_control *srs = NULL;
- int findcsn_retry = 1;
+ struct slap_limits_set fc_limits;
+ int i, rc = LDAP_SUCCESS, findcsn_retry = 1;
if ( mode != FIND_MAXCSN ) {
srs = op->o_controls[slap_cids.sc_LDAPsync];
/* On retry, look for <= */
} else {
cf.f_choice = LDAP_FILTER_LE;
+ fop.ors_limit = &fc_limits;
+ fc_limits.lms_s_unchecked = 1;
fop.ors_filterstr.bv_len = sprintf( buf, "(entryCSN<=%s)",
cf.f_av_value.bv_val );
}
/* Send a persistent search response */
static int
-syncprov_sendresp( Operation *op, opcookie *opc, syncops *so, Entry **e, int mode)
+syncprov_sendresp( Operation *op, opcookie *opc, syncops *so,
+ Entry **e, int mode )
{
slap_overinst *on = opc->son;
a_uuid.a_nvals = &opc->suuid;
rs.sr_err = syncprov_state_ctrl( op, &rs, &e_uuid,
mode, ctrls, 0, 1, &cookie );
+ op->o_tmpfree( cookie.bv_val, op->o_tmpmemctx );
rs.sr_ctrls = ctrls;
op->o_bd->bd_info = (BackendInfo *)on->on_info;
syncres *sr;
Entry *e;
opcookie opc;
- int rc;
+ int rc = 0;
opc.son = on;
op->o_bd->bd_info = (BackendInfo *)on->on_info;
struct re_s *rtask = arg;
syncops *so = rtask->arg;
slap_overinst *on = so->s_op->o_private;
- char opbuf[OPERATION_BUFFER_SIZE];
+ OperationBuffer opbuf;
Operation *op;
BackendDB be;
- op = (Operation *)opbuf;
+ op = (Operation *) &opbuf;
*op = *so->s_op;
op->o_hdr = (Opheader *)(op+1);
op->o_controls = (void **)(op->o_hdr+1);
op->o_private = NULL;
op->o_callback = NULL;
- syncprov_qplay( op, on, so );
+ (void)syncprov_qplay( op, on, so );
/* decrement use count... */
syncprov_free_syncop( so );
sr->s_dn.bv_len = opc->sdn.bv_len;
sr->s_mode = mode;
sr->s_isreference = opc->sreference;
- sr->s_ndn.bv_val = lutil_strcopy( sr->s_dn.bv_val, opc->sdn.bv_val );
+ sr->s_ndn.bv_val = lutil_strcopy( sr->s_dn.bv_val,
+ opc->sdn.bv_val ) + 1;
sr->s_ndn.bv_len = opc->sndn.bv_len;
- *(sr->s_ndn.bv_val++) = '\0';
- sr->s_uuid.bv_val = lutil_strcopy( sr->s_ndn.bv_val, opc->sndn.bv_val );
+ sr->s_uuid.bv_val = lutil_strcopy( sr->s_ndn.bv_val,
+ opc->sndn.bv_val ) + 1;
sr->s_uuid.bv_len = opc->suuid.bv_len;
- *(sr->s_uuid.bv_val++) = '\0';
- sr->s_csn.bv_val = lutil_strcopy( sr->s_uuid.bv_val, opc->suuid.bv_val );
+ 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;
sr->s_csn.bv_len = opc->sctxcsn.bv_len;
strcpy( sr->s_csn.bv_val, opc->sctxcsn.bv_val );
so->s_flags |= PS_FIND_BASE;
}
if ( so->s_flags & PS_IS_DETACHED ) {
+ int wake=0;
ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
if ( !so->s_qtask ) {
so->s_qtask = ldap_pvt_runqueue_insert( &slapd_rq, RUNQ_INTERVAL,
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 ) {
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();
}
ldap_pvt_thread_mutex_unlock( &so->s_mutex );
return LDAP_SUCCESS;
syncprov_info_t *si = on->on_bi.bi_private;
Modifications mod;
Operation opm;
+ SlapReply rsm = { 0 };
struct berval bv[2];
slap_callback cb = {0};
- int manage = get_manageDSAit(op);
mod.sml_values = bv;
bv[1].bv_val = NULL;
opm.o_req_ndn = op->o_bd->be_nsuffix[0];
opm.o_bd->bd_info = on->on_info->oi_orig;
opm.o_managedsait = SLAP_CONTROL_NONCRITICAL;
- opm.o_bd->be_modify( &opm, rs );
- opm.o_managedsait = manage;
+ SLAP_DBFLAGS( opm.o_bd ) |= SLAP_DBFLAG_NOLASTMOD;
+ opm.o_bd->be_modify( &opm, &rsm );
+ SLAP_DBFLAGS( opm.o_bd ) ^= SLAP_DBFLAG_NOLASTMOD;
+ if ( mod.sml_next != NULL ) {
+ slap_mods_free( mod.sml_next, 1 );
+ }
}
static void
se->se_next = NULL;
se->se_tag = op->o_tag;
- se->se_uuid.bv_val = (char *)(se+1);
+ se->se_uuid.bv_val = (char *)(&se[1]);
AC_MEMCPY( se->se_uuid.bv_val, opc->suuid.bv_val, opc->suuid.bv_len );
se->se_uuid.bv_len = opc->suuid.bv_len;
sl->sl_mincsn.bv_len = se->se_csn.bv_len;
ch_free( se );
sl->sl_num--;
- if ( !sl->sl_head ) {
- sl->sl_tail = NULL;
- }
}
ldap_pvt_thread_mutex_unlock( &sl->sl_mutex );
}
mf.f_av_value = uuids[i];
cb.sc_private = NULL;
fop.ors_slimit = 1;
+ frs.sr_nentries = 0;
rc = fop.o_bd->be_search( &fop, &frs );
/* If entry was not found, add to delete list */
op2->ors_filterstr.bv_val = ptr;
strcpy( ptr, so->s_filterstr.bv_val );
op2->ors_filterstr.bv_len = so->s_filterstr.bv_len;
- op2->ors_filter = str2filter( ptr );
+ op2->ors_filter = filter_dup( op->ors_filter, NULL );
so->s_op = op2;
/* Copy any cached group ACLs individually */
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;
}
static int
return SLAP_CB_CONTINUE;
}
a = attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_entryCSN );
+ if ( a == NULL && rs->sr_operational_attrs != NULL ) {
+ a = attr_find( rs->sr_operational_attrs, slap_schema.si_ad_entryCSN );
+ }
if ( a ) {
- /* Make sure entry is less than the snaphot'd contextCSN */
+ /* Make sure entry is less than the snapshot'd contextCSN */
if ( ber_bvcmp( &a->a_nvals[0], &ss->ss_ctxcsn ) > 0 )
return LDAP_SUCCESS;
rs->sr_err = syncprov_done_ctrl( op, rs, rs->sr_ctrls,
0, 1, &cookie, ss->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 && rs->sr_nentries ) ?
LDAP_TAG_SYNC_REFRESH_PRESENT : LDAP_TAG_SYNC_REFRESH_DELETE,
&cookie, 1, NULL, 0 );
- /* Flush any queued persist messages */
- if ( ss->ss_so->s_res ) {
- slap_callback *sc = op->o_callback;
- op->o_callback = NULL;
- syncprov_qplay( op, on, ss->ss_so );
- op->o_callback = sc;
- }
+ 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 );
/* syncprov_findbase expects to be called as a callback... */
sc.sc_private = &opc;
opc.son = on;
+ ldap_pvt_thread_mutex_init( &so.s_mutex );
cb = op->o_callback;
op->o_callback = ≻
rs->sr_err = syncprov_findbase( op, &fc );
op->o_callback = cb;
+ ldap_pvt_thread_mutex_destroy( &so.s_mutex );
if ( rs->sr_err != LDAP_SUCCESS ) {
send_ldap_result( op, rs );
/* Is the CSN still present in the database? */
if ( syncprov_findcsn( op, FIND_CSN ) != LDAP_SUCCESS ) {
/* No, so a reload is required */
-#if 0 /* the consumer doesn't seem to send this hint */
- if ( op->o_sync_rhint == 0 ) {
+ /* the 2.2 consumer doesn't send this hint */
+ if ( si->si_usehint && srs->sr_rhint == 0 ) {
send_ldap_error( op, rs, LDAP_SYNC_REFRESH_REQUIRED, "sync cookie is stale" );
return rs->sr_err;
}
-#endif
} else {
gotstate = 1;
/* If changed and doing Present lookup, send Present UUIDs */
enum {
SP_CHKPT = 1,
SP_SESSL,
- SP_NOPRES
+ SP_NOPRES,
+ SP_USEHINT
};
static ConfigDriver sp_cf_gen;
sp_cf_gen, "( OLcfgOvAt:1.3 NAME 'olcSpNoPresent' "
"DESC 'Omit Present phase processing' "
"SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
+ { "syncprov-reloadhint", NULL, 2, 2, 0, ARG_ON_OFF|ARG_MAGIC|SP_USEHINT,
+ sp_cf_gen, "( OLcfgOvAt:1.4 NAME 'olcSpReloadHint' "
+ "DESC 'Observe Reload Hint in Request control' "
+ "SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
{ NULL, NULL, 0, 0, 0, ARG_IGNORED }
};
rc = 1;
}
break;
+ case SP_USEHINT:
+ if ( si->si_usehint ) {
+ c->value_int = 1;
+ } else {
+ rc = 1;
+ }
+ break;
}
return rc;
} else if ( c->op == LDAP_MOD_DELETE ) {
else
rc = LDAP_NO_SUCH_ATTRIBUTE;
break;
+ case SP_USEHINT:
+ if ( si->si_usehint )
+ si->si_usehint = 0;
+ else
+ rc = LDAP_NO_SUCH_ATTRIBUTE;
+ break;
}
return rc;
}
switch ( c->type ) {
case SP_CHKPT:
- si->si_chkops = atoi( c->argv[1] );
- si->si_chktime = atoi( c->argv[2] ) * 60;
+ if ( lutil_atoi( &si->si_chkops, c->argv[1] ) != 0 ) {
+ sprintf( c->msg, "%s unable to parse checkpoint ops # \"%s\"",
+ c->argv[0], c->argv[1] );
+ Debug( LDAP_DEBUG_CONFIG, "%s: %s\n", c->log, c->msg, 0 );
+ return ARG_BAD_CONF;
+ }
+ if ( si->si_chkops <= 0 ) {
+ sprintf( c->msg, "%s invalid checkpoint ops # \"%d\"",
+ c->argv[0], si->si_chkops );
+ Debug( LDAP_DEBUG_CONFIG, "%s: %s\n", c->log, c->msg, 0 );
+ return ARG_BAD_CONF;
+ }
+ if ( lutil_atoi( &si->si_chktime, c->argv[2] ) != 0 ) {
+ sprintf( c->msg, "%s unable to parse checkpoint time \"%s\"",
+ c->argv[0], c->argv[1] );
+ Debug( LDAP_DEBUG_CONFIG, "%s: %s\n", c->log, c->msg, 0 );
+ return ARG_BAD_CONF;
+ }
+ if ( si->si_chktime <= 0 ) {
+ sprintf( c->msg, "%s invalid checkpoint time \"%d\"",
+ c->argv[0], si->si_chkops );
+ Debug( LDAP_DEBUG_CONFIG, "%s: %s\n", c->log, c->msg, 0 );
+ return ARG_BAD_CONF;
+ }
+ si->si_chktime *= 60;
break;
case SP_SESSL: {
sessionlog *sl;
case SP_NOPRES:
si->si_nopres = c->value_int;
break;
+ case SP_USEHINT:
+ si->si_usehint = c->value_int;
+ break;
}
return rc;
}
slap_overinst *on = (slap_overinst *) be->bd_info;
syncprov_info_t *si = (syncprov_info_t *)on->on_bi.bi_private;
- Connection conn;
- char opbuf[OPERATION_BUFFER_SIZE];
+ Connection conn = { 0 };
+ OperationBuffer opbuf = { 0 };
char ctxcsnbuf[LDAP_LUTIL_CSNSTR_BUFSIZE];
- Operation *op = (Operation *)opbuf;
+ Operation *op = (Operation *) &opbuf;
Entry *e;
Attribute *a;
int rc;
strcpy( ctxcsnbuf, si->si_ctxcsnbuf );
}
be_entry_release_rw( op, e, 0 );
- op->o_bd->bd_info = (BackendInfo *)on;
- op->o_req_dn = be->be_suffix[0];
- op->o_req_ndn = be->be_nsuffix[0];
- op->ors_scope = LDAP_SCOPE_SUBTREE;
- ldap_pvt_thread_create( &tid, 0, syncprov_db_otask, op );
- ldap_pvt_thread_join( tid, NULL );
+ if ( !BER_BVISEMPTY( &si->si_ctxcsn ) ) {
+ op->o_bd->bd_info = (BackendInfo *)on;
+ op->o_req_dn = be->be_suffix[0];
+ op->o_req_ndn = be->be_nsuffix[0];
+ op->ors_scope = LDAP_SCOPE_SUBTREE;
+ ldap_pvt_thread_create( &tid, 0, syncprov_db_otask, op );
+ ldap_pvt_thread_join( tid, NULL );
+ }
} else if ( SLAP_SYNC_SHADOW( op->o_bd )) {
/* If we're also a consumer, and we didn't find the context entry,
* then don't generate anything, wait for our provider to send it
}
if ( BER_BVISEMPTY( &si->si_ctxcsn ) ) {
- slap_get_csn( op, si->si_ctxcsnbuf, sizeof(si->si_ctxcsnbuf),
- &si->si_ctxcsn, 0 );
+ si->si_ctxcsn.bv_len = sizeof( si->si_ctxcsnbuf );
+ slap_get_csn( op, &si->si_ctxcsn, 0 );
}
/* If our ctxcsn is different from what was read from the root
}
if ( si->si_numops ) {
Connection conn;
- char opbuf[OPERATION_BUFFER_SIZE];
- Operation *op = (Operation *)opbuf;
+ OperationBuffer opbuf;
+ Operation *op = (Operation *) &opbuf;
SlapReply rs = {REP_RESULT};
void *thrctx;
syncprov_info_t *si = (syncprov_info_t *)on->on_bi.bi_private;
if ( si ) {
+ if ( si->si_logs ) {
+ slog_entry *se = si->si_logs->sl_head;
+
+ while ( se ) {
+ slog_entry *se_next = se->se_next;
+ ch_free( se );
+ se = se_next;
+ }
+
+ ch_free( si->si_logs );
+ }
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_csn_mutex );
rs->sr_text = "Sync control : cookie decoding error";
return LDAP_PROTOCOL_ERROR;
}
+ tag = ber_peek_tag( ber, &len );
}
if ( tag == LDAP_TAG_RELOAD_HINT ) {
if (( ber_scanf( ber, /*{*/ "b", &rhint )) == LBER_ERROR ) {
static slap_overinst syncprov;
int
-syncprov_init()
+syncprov_initialize()
{
int rc;
rc = register_supported_control( LDAP_CONTROL_SYNC,
- SLAP_CTRL_HIDE|SLAP_CTRL_SEARCH, NULL,
+ SLAP_CTRL_SEARCH, NULL,
syncprov_parseCtrl, &slap_cids.sc_LDAPsync );
if ( rc != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_ANY,
syncprov.on_bi.bi_cf_ocs = spocs;
+ generic_filter.f_desc = slap_schema.si_ad_objectClass;
+
rc = config_register_schema( spcfg, spocs );
if ( rc ) return rc;
int
init_module( int argc, char *argv[] )
{
- return syncprov_init();
+ return syncprov_initialize();
}
#endif /* SLAPD_OVER_SYNCPROV == SLAPD_MOD_DYNAMIC */