/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Copyright 2001-2006 The OpenLDAP Foundation.
+ * Copyright 2001-2008 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#define SLAPD_TOOLS
#include "slap.h"
+#include "config.h"
typedef struct gluenode {
BackendDB *gn_be;
if (!j) {
newctrls = ch_malloc((i+1)*sizeof(LDAPControl *));
} else {
+ /* Forget old pagedResults response if we're sending
+ * a new one now
+ */
+ if ( get_pagedresults( op ) > SLAP_CONTROL_IGNORED ) {
+ int newpage = 0;
+ for ( k=0; k<i; k++ ) {
+ if ( !strcmp(rs->sr_ctrls[k]->ldctl_oid,
+ LDAP_CONTROL_PAGEDRESULTS )) {
+ newpage = 1;
+ break;
+ }
+ }
+ if ( newpage ) {
+ for ( k=0; k<j; k++ ) {
+ if ( !strcmp(gs->ctrls[k]->ldctl_oid,
+ LDAP_CONTROL_PAGEDRESULTS )) {
+ gs->ctrls[k]->ldctl_oid = NULL;
+ ldap_control_free( gs->ctrls[k] );
+ gs->ctrls[k] = gs->ctrls[--j];
+ gs->ctrls[j] = NULL;
+ break;
+ }
+ }
+ }
+ }
newctrls = ch_realloc(gs->ctrls,
(j+i+1)*sizeof(LDAPControl *));
}
static int
glue_response ( Operation *op, SlapReply *rs )
{
- slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
BackendDB *be = op->o_bd;
be = glue_back_select (op->o_bd, &op->o_req_ndn);
continue;
if (get_no_subordinate_glue(op) && btmp != b1)
continue;
+ /* If we remembered which backend we were on before,
+ * skip down to it now
+ */
+ if ( get_pagedresults( op ) > SLAP_CONTROL_IGNORED &&
+ op->o_conn->c_pagedresults_state.ps_be &&
+ op->o_conn->c_pagedresults_state.ps_be != btmp )
+ continue;
if (tlimit0 != SLAP_NO_LIMIT) {
op->o_time = slap_get_time();
case LDAP_X_CANNOT_CHAIN:
#endif /* LDAP_CONTROL_X_CHAINING_BEHAVIOR */
goto end_of_loop;
-
+
+ case LDAP_SUCCESS:
+ if ( get_pagedresults( op ) > SLAP_CONTROL_IGNORED ) {
+ PagedResultsState *ps = op->o_pagedresults_state;
+
+ /* Assume this backend can be forgotten now */
+ op->o_conn->c_pagedresults_state.ps_be = NULL;
+
+ /* If we have a full page, exit the loop. We may
+ * need to remember this backend so we can continue
+ * from here on a subsequent request.
+ */
+ if ( rs->sr_nentries >= ps->ps_size ) {
+ /* Don't bother to remember the first backend.
+ * Only remember the last one if there's more state left.
+ */
+ if ( op->o_bd != b0 &&
+ ( op->o_conn->c_pagedresults_state.ps_cookie ||
+ op->o_bd != gi->gi_n[0].gn_be ))
+ op->o_conn->c_pagedresults_state.ps_be = op->o_bd;
+ goto end_of_loop;
+ }
+
+ /* This backend has run out of entries, but more responses
+ * can fit in the page. Fake a reset of the state so the
+ * next backend will start up properly. Only back-[bh]db
+ * and back-sql look at this state info.
+ */
+ if ( ps->ps_cookieval.bv_len == sizeof( PagedResultsCookie )) {
+ ps->ps_cookie = 0;
+ memset( ps->ps_cookieval.bv_val, 0,
+ sizeof( PagedResultsCookie ));
+ }
+ }
+
default:
break;
}
glueinfo *gi = on->on_bi.bi_private;
static int glueOpened = 0;
int i, j, same, bsame = 0, rc = 0;
+ ConfigReply cr = {0};
if (glueOpened) return 0;
gi->gi_n[i].gn_be->bd_info );
/* Let backend.c take care of the rest of startup */
if ( !rc )
- rc = backend_startup_one( gi->gi_n[i].gn_be );
+ rc = backend_startup_one( gi->gi_n[i].gn_be, &cr );
if ( rc ) break;
}
if ( !rc && !bsame && on->on_info->oi_orig->bi_open )
return rc;
}
+static int
+glue_entry_get_rw (
+ Operation *op,
+ struct berval *dn,
+ ObjectClass *oc,
+ AttributeDescription *ad,
+ int rw,
+ Entry **e )
+{
+ int rc;
+ BackendDB *b0 = op->o_bd;
+ op->o_bd = glue_back_select( b0, dn );
+
+ if ( op->o_bd->be_fetch ) {
+ rc = op->o_bd->be_fetch( op, dn, oc, ad, rw, e );
+ } else {
+ rc = LDAP_UNWILLING_TO_PERFORM;
+ }
+ op->o_bd =b0;
+ return rc;
+}
+
static int
glue_entry_release_rw (
Operation *op,
int rw
)
{
- BackendDB *b0, b2;
+ BackendDB *b0 = op->o_bd;
int rc = -1;
- b0 = op->o_bd;
- b2 = *op->o_bd;
- b2.bd_info = (BackendInfo *)glue_tool_inst( op->o_bd->bd_info );
- op->o_bd = glue_back_select (&b2, &e->e_nname);
+ op->o_bd = glue_back_select (b0, &e->e_nname);
if ( op->o_bd->be_release ) {
rc = op->o_bd->be_release( op, e, rw );
return rc;
}
+static ID
+glue_tool_dn2id_get (
+ BackendDB *b0,
+ struct berval *dn
+)
+{
+ BackendDB *be, b2;
+ int rc = -1;
+
+ b2 = *b0;
+ b2.bd_info = (BackendInfo *)glue_tool_inst( b0->bd_info );
+ be = glue_back_select (&b2, dn);
+ if ( be == &b2 ) be = &toolDB;
+
+ if (!be->be_dn2id_get)
+ return NOID;
+
+ if (!glueBack) {
+ if ( be->be_entry_open ) {
+ rc = be->be_entry_open (be, glueMode);
+ }
+ if (rc != 0) {
+ return NOID;
+ }
+ } else if (be != glueBack) {
+ /* If this entry belongs in a different branch than the
+ * previous one, close the current database and open the
+ * new one.
+ */
+ if ( glueBack->be_entry_close ) {
+ glueBack->be_entry_close (glueBack);
+ }
+ if ( be->be_entry_open ) {
+ rc = be->be_entry_open (be, glueMode);
+ }
+ if (rc != 0) {
+ return NOID;
+ }
+ }
+ glueBack = be;
+ return be->be_dn2id_get (be, dn);
+}
+
static Entry *
glue_tool_entry_get (
BackendDB *b0,
return be->be_entry_put (be, e, text);
}
+static ID
+glue_tool_entry_modify (
+ BackendDB *b0,
+ Entry *e,
+ struct berval *text
+)
+{
+ if (!glueBack || !glueBack->be_entry_modify)
+ return NOID;
+
+ return glueBack->be_entry_modify (glueBack, e, text);
+}
+
static int
glue_tool_entry_reindex (
BackendDB *b0,
- ID id
+ ID id,
+ AttributeDescription **adv
)
{
if (!glueBack || !glueBack->be_entry_reindex)
return -1;
- return glueBack->be_entry_reindex (glueBack, id);
+ return glueBack->be_entry_reindex (glueBack, id, adv);
}
static int
static int
glue_db_init(
- BackendDB *be
+ BackendDB *be,
+ ConfigReply *cr
)
{
slap_overinst *on = (slap_overinst *)be->bd_info;
oi->oi_bi.bi_open = glue_open;
oi->oi_bi.bi_close = glue_close;
- oi->oi_bi.bi_entry_release_rw = glue_entry_release_rw;
-
/* Only advertise these if the root DB supports them */
if ( bi->bi_tool_entry_open )
oi->oi_bi.bi_tool_entry_open = glue_tool_entry_open;
oi->oi_bi.bi_tool_entry_next = glue_tool_entry_next;
if ( bi->bi_tool_entry_get )
oi->oi_bi.bi_tool_entry_get = glue_tool_entry_get;
+ if ( bi->bi_tool_dn2id_get )
+ oi->oi_bi.bi_tool_dn2id_get = glue_tool_dn2id_get;
if ( bi->bi_tool_entry_put )
oi->oi_bi.bi_tool_entry_put = glue_tool_entry_put;
if ( bi->bi_tool_entry_reindex )
oi->oi_bi.bi_tool_entry_reindex = glue_tool_entry_reindex;
+ if ( bi->bi_tool_entry_modify )
+ oi->oi_bi.bi_tool_entry_modify = glue_tool_entry_modify;
if ( bi->bi_tool_sync )
oi->oi_bi.bi_tool_sync = glue_tool_sync;
- /*FIXME : need to add support */
- oi->oi_bi.bi_tool_dn2id_get = 0;
- oi->oi_bi.bi_tool_id2entry_get = 0;
- oi->oi_bi.bi_tool_entry_modify = 0;
-
SLAP_DBFLAGS( be ) |= SLAP_DBFLAG_GLUE_INSTANCE;
return 0;
static int
glue_db_destroy (
- BackendDB *be
+ BackendDB *be,
+ ConfigReply *cr
)
{
slap_overinst *on = (slap_overinst *)be->bd_info;
static int
glue_db_close(
- BackendDB *be
+ BackendDB *be,
+ ConfigReply *cr
)
{
slap_overinst *on = (slap_overinst *)be->bd_info;
/* If it's not already configured, set up the overlay */
if ( !SLAP_GLUE_INSTANCE( be )) {
- rc = overlay_config( be, glue.on_bi.bi_type, -1, NULL );
+ rc = overlay_config( be, glue.on_bi.bi_type, -1, NULL, NULL);
if ( rc )
break;
}
glue.on_bi.bi_chk_referrals = glue_chk_referrals;
glue.on_bi.bi_chk_controls = glue_chk_controls;
+ glue.on_bi.bi_entry_get_rw = glue_entry_get_rw;
+ glue.on_bi.bi_entry_release_rw = glue_entry_release_rw;
+
glue.on_response = glue_response;
return overlay_register( &glue );