assert( mc != NULL );
-retry_lock:;
- switch ( ldap_pvt_thread_mutex_trylock( &mi->mi_conn_mutex ) ) {
- case LDAP_PVT_THREAD_EBUSY:
- default:
- ldap_pvt_thread_yield();
- goto retry_lock;
-
- case 0:
- break;
- }
+ ldap_pvt_thread_mutex_lock( &mi->mi_conn_mutex );
if ( --mc->mc_refcnt == 0 ) {
meta_back_conn_free( mc );
* Already init'ed
*/
if ( msc->msc_ld != NULL ) {
- rs->sr_err = LDAP_SUCCESS;
- goto error_return;
+ return rs->sr_err = LDAP_SUCCESS;
}
/*
}
#ifdef HAVE_TLS
- /* start TLS ("start-tls"/"try-start-tls" statements) */
+ /* start TLS ("tls [try-]{start|propagate}" statement) */
if ( ( LDAP_BACK_USE_TLS( mi ) || ( op->o_conn->c_is_tls && LDAP_BACK_PROPAGATE_TLS( mi ) ) )
&& !ldap_is_ldaps_url( mt->mt_uri ) )
{
#ifdef SLAP_STARTTLS_ASYNCHRONOUS
/*
- * use asynchronous StartTLS
- * in case, chase referral (not implemented yet)
+ * use asynchronous StartTLS; in case, chase referral
+ * FIXME: OpenLDAP does not return referral on StartTLS yet
*/
int msgid;
(void *)&network_timeout );
}
- /*
- * Sets a cookie for the rewrite session
- */
- ( void )rewrite_session_init( mt->mt_rwmap.rwm_rw, op->o_conn );
-
/*
* If the connection DN is not null, an attempt to rewrite it is made
*/
msc->msc_bound = META_UNBOUND;
error_return:;
- if ( rs->sr_err != LDAP_SUCCESS ) {
+ if ( rs->sr_err == LDAP_SUCCESS ) {
+ /*
+ * Sets a cookie for the rewrite session
+ */
+ ( void )rewrite_session_init( mt->mt_rwmap.rwm_rw, op->o_conn );
+
+ } else {
rs->sr_err = slap_map_api2result( rs );
if ( sendok & LDAP_BACK_SENDERR ) {
send_ldap_result( op, rs );
metasingleconn_t *msc = &mc->mc_conns[ candidate ];
retry_lock:;
- switch ( ldap_pvt_thread_mutex_trylock( &mi->mi_conn_mutex ) ) {
- case LDAP_PVT_THREAD_EBUSY:
- default:
- ldap_pvt_thread_yield();
- goto retry_lock;
-
- case 0:
- break;
- }
+ ldap_pvt_thread_mutex_lock( &mi->mi_conn_mutex );
assert( mc->mc_refcnt > 0 );
if ( mc->mc_refcnt == 1 ) {
- ldap_pvt_thread_mutex_lock( &mc->mc_mutex );
+ while ( ldap_pvt_thread_mutex_trylock( &mc->mc_mutex ) ) {
+ ldap_pvt_thread_mutex_unlock( &mi->mi_conn_mutex );
+ ldap_pvt_thread_yield();
+ goto retry_lock;
+ }
ldap_unbind_ext_s( msc->msc_ld, NULL, NULL );
msc->msc_ld = NULL;
msc->msc_bound = 0;
+ ( void )rewrite_session_delete( mt->mt_rwmap.rwm_rw, op->o_conn );
+
/* mc here must be the regular mc, reset and ready for init */
rc = meta_back_init_one_conn( op, rs, mt, msc, sendok );
* a candidate, try using it (FIXME: YMMV) */
if ( mi->mi_defaulttarget != META_DEFAULT_TARGET_NONE
&& meta_back_is_candidate( &mi->mi_targets[ mi->mi_defaulttarget ].mt_nsuffix,
+ mi->mi_targets[ mi->mi_defaulttarget ].mt_scope,
ndn, op->o_tag == LDAP_REQ_SEARCH ? op->ors_scope : LDAP_SCOPE_BASE ) )
{
candidate = mi->mi_defaulttarget;
}
break;
}
+
+ } else {
+ rs->sr_err = LDAP_SUCCESS;
}
return candidate;
}
+static void *meta_back_candidates_dummy;
+
static void
meta_back_candidates_keyfree(
void *key,
{
metainfo_t *mi = ( metainfo_t * )op->o_bd->be_private;
metacandidates_t *mc;
- SlapReply *rs;
if ( op->o_threadctx ) {
void *data = NULL;
ldap_pvt_thread_pool_getkey( op->o_threadctx,
- meta_back_candidates_keyfree, &data, NULL );
+ &meta_back_candidates_dummy, &data, NULL );
mc = (metacandidates_t *)data;
} else {
data = (void *)mc;
ldap_pvt_thread_pool_setkey( op->o_threadctx,
- meta_back_candidates_keyfree, data,
+ &meta_back_candidates_dummy, data,
meta_back_candidates_keyfree );
} else {
/* Searches for a metaconn in the avl tree */
mc_curr.mc_conn = op->o_conn;
-retry_lock:;
- switch ( ldap_pvt_thread_mutex_trylock( &mi->mi_conn_mutex ) ) {
- case LDAP_PVT_THREAD_EBUSY:
- default:
- ldap_pvt_thread_yield();
- goto retry_lock;
-
- case 0:
- break;
- }
+ ldap_pvt_thread_mutex_lock( &mi->mi_conn_mutex );
mc = (metaconn_t *)avl_find( mi->mi_conntree,
(caddr_t)&mc_curr, meta_back_conn_cmp );
if ( mc ) {
* The target is activated; if needed, it is
* also init'd
*/
- int lerr = meta_back_init_one_conn( op, rs, &mi->mi_targets[ i ],
- &mc->mc_conns[ i ], sendok );
- if ( lerr == LDAP_SUCCESS ) {
+ candidates[ i ].sr_err =
+ meta_back_init_one_conn( op, rs,
+ &mi->mi_targets[ i ],
+ &mc->mc_conns[ i ], sendok );
+ if ( candidates[ i ].sr_err == LDAP_SUCCESS ) {
candidates[ i ].sr_tag = META_CANDIDATE;
ncandidates++;
* be tried?
*/
candidates[ i ].sr_tag = META_NOT_CANDIDATE;
- err = lerr;
+ err = candidates[ i ].sr_err;
continue;
}
}
}
if ( rs->sr_err != LDAP_SUCCESS ) {
+ if ( mc != NULL ) {
+ meta_back_release_conn( op, mc );
+ }
+
if ( sendok & LDAP_BACK_SENDERR ) {
if ( rs->sr_err == LDAP_NO_SUCH_OBJECT ) {
rs->sr_matched = op->o_bd->be_suffix[ 0 ].bv_val;
rs->sr_text = NULL;
rs->sr_matched = NULL;
}
+
return NULL;
}
}
if ( newparent && meta_back_get_candidate( op, rs, op->orr_nnewSup ) != i )
{
+ if ( mc != NULL ) {
+ meta_back_release_conn( op, mc );
+ }
+
rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
rs->sr_text = "cross-target rename not supported";
if ( sendok & LDAP_BACK_SENDERR ) {
send_ldap_result( op, rs );
rs->sr_text = NULL;
}
+
return NULL;
}
* the reason is that the connection might have been
* created by meta_back_get_candidate() */
mc_curr.mc_conn = op->o_conn;
-retry_lock2:;
- switch ( ldap_pvt_thread_mutex_trylock( &mi->mi_conn_mutex ) ) {
- case LDAP_PVT_THREAD_EBUSY:
- default:
- ldap_pvt_thread_yield();
- goto retry_lock2;
-
- case 0:
- break;
- }
+ ldap_pvt_thread_mutex_lock( &mi->mi_conn_mutex );
mc = (metaconn_t *)avl_find( mi->mi_conntree,
(caddr_t)&mc_curr, meta_back_conn_cmp );
if ( mc != NULL ) {
return NULL;
}
+ candidates[ i ].sr_err = LDAP_SUCCESS;
candidates[ i ].sr_tag = META_CANDIDATE;
ncandidates++;
for ( i = 0; i < mi->mi_ntargets; i++ ) {
if ( i == cached
|| meta_back_is_candidate( &mi->mi_targets[ i ].mt_nsuffix,
+ mi->mi_targets[ i ].mt_scope,
&op->o_req_ndn, LDAP_SCOPE_SUBTREE ) )
{
&mc->mc_conns[ i ], sendok );
if ( lerr == LDAP_SUCCESS ) {
candidates[ i ].sr_tag = META_CANDIDATE;
+ candidates[ i ].sr_err = LDAP_SUCCESS;
ncandidates++;
Debug( LDAP_DEBUG_TRACE, "%s: meta_back_init_one_conn(%d)\n",
if ( new_conn ) {
( void )meta_clear_one_candidate( &mc->mc_conns[ i ] );
}
- candidates[ i ].sr_tag = META_NOT_CANDIDATE;
+ /* leave the target candidate, but record the error for later use */
+ candidates[ i ].sr_err = lerr;
err = lerr;
Debug( LDAP_DEBUG_ANY, "%s: meta_back_init_one_conn(%d) failed: %d\n",
/*
* Inserts the newly created metaconn in the avl tree
*/
-retry_lock3:;
- switch ( ldap_pvt_thread_mutex_trylock( &mi->mi_conn_mutex ) ) {
- case LDAP_PVT_THREAD_EBUSY:
- default:
- ldap_pvt_thread_yield();
- goto retry_lock3;
-
- case 0:
- break;
- }
+ ldap_pvt_thread_mutex_lock( &mi->mi_conn_mutex );
err = avl_insert( &mi->mi_conntree, ( caddr_t )mc,
meta_back_conn_cmp, meta_back_conn_dup );
assert( mc != NULL );
-retry_lock:;
- switch ( ldap_pvt_thread_mutex_trylock( &mi->mi_conn_mutex ) ) {
- case LDAP_PVT_THREAD_EBUSY:
- default:
- ldap_pvt_thread_yield();
- goto retry_lock;
-
- case 0:
- break;
- }
-
+ ldap_pvt_thread_mutex_lock( &mi->mi_conn_mutex );
assert( mc->mc_refcnt > 0 );
mc->mc_refcnt--;
ldap_pvt_thread_mutex_unlock( &mi->mi_conn_mutex );
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