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port hasSubordinates handling to back-bdb

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This commit is contained in:
Pierangelo Masarati 2002-03-23 11:04:09 +00:00
parent f181388a5e
commit 50baa90139
4 changed files with 118 additions and 2 deletions
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4
servers/slapd/back-bdb/Makefile.in
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@ -2,12 +2,12 @@
SRCS = init.c tools.c config.c \
add.c bind.c compare.c delete.c modify.c modrdn.c search.c \
extended.c passwd.c referral.c attribute.c group.c \
extended.c passwd.c referral.c attribute.c group.c operational.c \
attr.c index.c key.c dbcache.c filterindex.c \
dn2entry.c dn2id.c error.c id2entry.c idl.c nextid.c cache.c
OBJS = init.lo tools.lo config.lo \
add.lo bind.lo compare.lo delete.lo modify.lo modrdn.lo search.lo \
extended.lo passwd.lo referral.lo attribute.lo group.lo \
extended.lo passwd.lo referral.lo attribute.lo group.lo operational.lo \
attr.lo index.lo key.lo dbcache.lo filterindex.lo \
dn2entry.lo dn2id.lo error.lo id2entry.lo idl.lo nextid.lo cache.lo

2
servers/slapd/back-bdb/external.h
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@ -31,6 +31,8 @@ extern BI_op_extended bdb_extended;
extern BI_chk_referrals bdb_referrals;
extern BI_operational bdb_operational;
/* tools.c */
extern BI_tool_entry_open bdb_tool_entry_open;
extern BI_tool_entry_close bdb_tool_entry_close;

1
servers/slapd/back-bdb/init.c
View File

@ -562,6 +562,7 @@ bdb_initialize(
#endif
bi->bi_chk_referrals = bdb_referrals;
bi->bi_operational = bdb_operational;
bi->bi_entry_release_rw = bdb_entry_release;
/*

113
servers/slapd/back-bdb/operational.c Normal file
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@ -0,0 +1,113 @@
/* operational.c - bdb backend operational attributes function */
/*
* Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
#include "portable.h"
#include <stdio.h>
#include <ac/string.h>
#include <ac/socket.h>
#include "slap.h"
#include "back-bdb.h"
#include "proto-bdb.h"
/*
* sets the supported operational attributes (if required)
*/
int
bdb_operational(
BackendDB *be,
Connection *conn,
Operation *op,
Entry *e,
AttributeName *attrs,
int opattrs,
Attribute **a )
{
struct bdb_info *bdb = (struct bdb_info *) be->be_private;
Attribute **aa = a;
int rc;
DB_TXN *ltid = NULL;
struct bdb_op_info opinfo;
assert( e );
if ( !opattrs && !ad_inlist( slap_schema.si_ad_hasSubordinates, attrs ) ) {
return 0;
}
if( 0 ) {
retry: /* transaction retry */
if( e != NULL ) {
bdb_cache_return_entry_w(&bdb->bi_cache, e);
}
Debug( LDAP_DEBUG_TRACE, "==> bdb_delete: retrying...\n",
0, 0, 0 );
rc = TXN_ABORT( ltid );
ltid = NULL;
op->o_private = NULL;
if( rc != 0 ) {
rc = LDAP_OTHER;
goto return_results;
}
ldap_pvt_thread_yield();
}
/* begin transaction */
rc = TXN_BEGIN( bdb->bi_dbenv, NULL, &ltid, bdb->bi_db_opflags );
if ( rc != 0 ) {
Debug( LDAP_DEBUG_TRACE,
"bdb_operational: txn_begin failed: %s (%d)\n",
db_strerror( rc ), rc, 0 );
rc = LDAP_OTHER;
return rc;
}
opinfo.boi_bdb = be;
opinfo.boi_txn = ltid;
opinfo.boi_err = 0;
op->o_private = &opinfo;
rc = bdb_dn2id_children( be, ltid, &e->e_nname );
switch( rc ) {
case DB_LOCK_DEADLOCK:
case DB_LOCK_NOTGRANTED:
goto retry;
case 0:
case DB_NOTFOUND:
*aa = slap_operational_hasSubordinate( rc == 0 );
if ( *aa != NULL ) {
aa = &(*aa)->a_next;
}
break;
default:
Debug(LDAP_DEBUG_ARGS,
"<=- bdb_operational: has_children failed: %s (%d)\n",
db_strerror(rc), rc, 0 );
rc = LDAP_OTHER;
}
return_results:
if ( rc == LDAP_SUCCESS && bdb->bi_txn_cp ) {
ldap_pvt_thread_yield();
TXN_CHECKPOINT( bdb->bi_dbenv,
bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
}
if ( ltid != NULL ) {
TXN_ABORT( ltid );
op->o_private = NULL;
}
return rc;
}