/* init.c - initialize bdb backend */
/* $OpenLDAP$ */
/*
- * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
+ * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
#include <ac/unistd.h>
#include <ac/stdlib.h>
-#include <lutil.h>
-
#include "back-bdb.h"
#include "external.h"
+#include <lutil.h>
-static struct bdbi_database {
+static const struct bdbi_database {
char *file;
char *name;
int type;
int flags;
} bdbi_databases[] = {
{ "id2entry" BDB_SUFFIX, "id2entry", DB_BTREE, 0 },
-#ifdef BDB_HIER
- { "id2parent" BDB_SUFFIX, "id2parent", DB_BTREE, 0 },
-#else
{ "dn2id" BDB_SUFFIX, "dn2id", DB_BTREE, 0 },
-#endif
{ NULL, NULL, 0, 0 }
};
typedef void * db_malloc(size_t);
typedef void * db_realloc(void *, size_t);
+#if 0
static int
bdb_open( BackendInfo *bi )
{
return 0;
}
-#if 0
static int
bdb_destroy( BackendInfo *bi )
{
/* indicate system schema supported */
be->be_flags |=
+ SLAP_BFLAG_INCREMENT |
#ifdef BDB_SUBENTRIES
SLAP_BFLAG_SUBENTRIES |
#endif
bdb->bi_cache.c_maxsize = DEFAULT_CACHE_SIZE;
-#ifndef NO_THREADS
-#if 0
- bdb->bi_lock_detect = DB_LOCK_NORUN;
-#else
bdb->bi_lock_detect = DB_LOCK_DEFAULT;
-#endif
-#endif
+ bdb->bi_search_stack_depth = DEFAULT_SEARCH_STACK_DEPTH;
+ bdb->bi_search_stack = NULL;
+
+ LDAP_LIST_INIT (&bdb->bi_psearch_list);
ldap_pvt_thread_mutex_init( &bdb->bi_database_mutex );
ldap_pvt_thread_mutex_init( &bdb->bi_lastid_mutex );
ldap_pvt_thread_mutex_init( &bdb->bi_cache.lru_mutex );
+ ldap_pvt_thread_mutex_init( &bdb->bi_cache.c_dntree.bei_kids_mutex );
ldap_pvt_thread_rdwr_init ( &bdb->bi_cache.c_rwlock );
-#ifdef BDB_HIER
- ldap_pvt_thread_rdwr_init( &bdb->bi_tree_rdwr );
-#endif
be->be_private = bdb;
- return 0;
-}
-
-#if 0 /* ifndef NO_THREADS */
-static void *lock_detect_task( void *arg )
-{
- struct bdb_info *bdb = (struct bdb_info *) arg;
-
- while( bdb->bi_dbenv != NULL ) {
- int rc;
- int aborted;
- sleep( bdb->bi_lock_detect_seconds );
-
- rc = LOCK_DETECT( bdb->bi_dbenv, 0,
- bdb->bi_lock_detect, &aborted );
-
- if( rc != 0 ) {
- break;
- }
-
-#ifdef NEW_LOGGING
- LDAP_LOG( BACK_BDB, ERR, "bdb_db_init: aborted %d locks\n",
- aborted, 0, 0 );
-#else
- Debug( LDAP_DEBUG_ANY,
- "bdb_lock_detect: aborted %d locks\n",
- aborted, 0, 0 );
-#endif
- }
- return NULL;
+ return 0;
}
-#endif
int
bdb_bt_compare(
)
{
unsigned char *u, *c;
- int i;
+ int i, x;
u = usrkey->data;
c = curkey->data;
#ifdef WORDS_BIGENDIAN
- for( i = 0; i < sizeof(ID); i++)
+ for( i = 0; i < (int)sizeof(ID); i++)
#else
for( i = sizeof(ID)-1; i >= 0; i--)
#endif
{
- if( u[i] - c[i] )
- return u[i] - c[i];
+ x = u[i] - c[i];
+ if( x ) return x;
}
+
return 0;
}
int rc, i;
struct bdb_info *bdb = (struct bdb_info *) be->be_private;
u_int32_t flags;
+#ifdef HAVE_EBCDIC
+ char path[MAXPATHLEN];
+#endif
#ifdef NEW_LOGGING
LDAP_LOG( BACK_BDB, ARGS,
be->be_suffix[0].bv_val, 0, 0 );
#endif
+#ifndef BDB_MULTIPLE_SUFFIXES
+ if ( be->be_suffix[1].bv_val ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( BACK_BDB, ERR,
+ "bdb_db_open: only one suffix allowed\n", 0, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "bdb_db_open: only one suffix allowed\n", 0, 0, 0 );
+#endif
+ return -1;
+ }
+#endif
/* we should check existance of dbenv_home and db_directory */
rc = db_env_create( &bdb->bi_dbenv, 0 );
return rc;
}
- bdb->bi_dbenv->set_alloc( bdb->bi_dbenv, (db_malloc *)ber_memalloc,
- (db_realloc *)ber_memrealloc, ber_memfree );
-
flags = DB_INIT_MPOOL | DB_THREAD | DB_CREATE
| DB_INIT_LOCK | DB_INIT_LOG | DB_INIT_TXN;
if( !(slapMode & SLAP_TOOL_MODE) ) flags |= DB_RECOVER;
#endif
+ /* If a key was set, use shared memory for the BDB environment */
+ if ( bdb->bi_shm_key ) {
+ bdb->bi_dbenv->set_shm_key( bdb->bi_dbenv, bdb->bi_shm_key );
+ flags |= DB_SYSTEM_MEM;
+ }
+
bdb->bi_dbenv->set_errpfx( bdb->bi_dbenv, be->be_suffix[0].bv_val );
bdb->bi_dbenv->set_errcall( bdb->bi_dbenv, bdb_errcall );
-#ifndef NO_THREADS
bdb->bi_dbenv->set_lk_detect( bdb->bi_dbenv, bdb->bi_lock_detect );
+
+#ifdef SLAP_IDL_CACHE
+ if ( bdb->bi_idl_cache_max_size ) {
+ bdb->bi_idl_tree = NULL;
+ ldap_pvt_thread_rdwr_init( &bdb->bi_idl_tree_rwlock );
+ ldap_pvt_thread_mutex_init( &bdb->bi_idl_tree_lrulock );
+ bdb->bi_idl_cache_size = 0;
+ }
#endif
#ifdef BDB_SUBDIRS
{
- char dir[MAXPATHLEN];
- size_t len = strlen( bdb->bi_dbenv_home );
-
- strcpy( dir, bdb->bi_dbenv_home );
- strcat( &dir[len], BDB_TMP_SUBDIR );
+ char dir[MAXPATHLEN], *ptr;
+ if (bdb->bi_dbenv_home[0] == '.') {
+ /* If home is a relative path, relative subdirs
+ * are just concat'd by BDB. We don't want the
+ * path to be concat'd twice, e.g.
+ * ./test-db/./test-db/tmp
+ */
+ ptr = dir;
+ } else {
+ ptr = lutil_strcopy( dir, bdb->bi_dbenv_home );
+ *ptr++ = LDAP_DIRSEP[0];
+#ifdef HAVE_EBCDIC
+ __atoe( dir );
+#endif
+ }
+
+ strcpy( ptr, BDB_TMP_SUBDIR );
+#ifdef HAVE_EBCDIC
+ __atoe( ptr );
+#endif
rc = bdb->bi_dbenv->set_tmp_dir( bdb->bi_dbenv, dir );
if( rc != 0 ) {
#ifdef NEW_LOGGING
return rc;
}
- strcat( &dir[len], BDB_LG_SUBDIR );
-
+ strcpy( ptr, BDB_LG_SUBDIR );
+#ifdef HAVE_EBCDIC
+ __atoe( ptr );
+#endif
rc = bdb->bi_dbenv->set_lg_dir( bdb->bi_dbenv, dir );
if( rc != 0 ) {
#ifdef NEW_LOGGING
return rc;
}
- strcat( &dir[len], BDB_DATA_SUBDIR );
-
+ strcpy( ptr, BDB_DATA_SUBDIR );
+#ifdef HAVE_EBCDIC
+ __atoe( ptr );
+#endif
rc = bdb->bi_dbenv->set_data_dir( bdb->bi_dbenv, dir );
if( rc != 0 ) {
#ifdef NEW_LOGGING
bdb->bi_dbenv_home, 0, 0);
#endif
+#ifdef HAVE_EBCDIC
+ strcpy( path, bdb->bi_dbenv_home );
+ __atoe( path );
+ rc = bdb->bi_dbenv->open( bdb->bi_dbenv,
+ path,
+ flags,
+ bdb->bi_dbenv_mode );
+#else
rc = bdb->bi_dbenv->open( bdb->bi_dbenv,
bdb->bi_dbenv_home,
flags,
bdb->bi_dbenv_mode );
+#endif
if( rc != 0 ) {
#ifdef NEW_LOGGING
LDAP_LOG( BACK_BDB, ERR,
}
}
- flags = DB_THREAD | DB_CREATE | bdb->bi_db_opflags;
+ flags = DB_THREAD | bdb->bi_db_opflags;
bdb->bi_databases = (struct bdb_db_info **) ch_malloc(
BDB_INDICES * sizeof(struct bdb_db_info *) );
bdb_bt_compare );
rc = db->bdi_db->set_pagesize( db->bdi_db,
BDB_ID2ENTRY_PAGESIZE );
+ if ( slapMode & SLAP_TOOL_READMAIN ) {
+ flags |= DB_RDONLY;
+ } else {
+ flags |= DB_CREATE;
+ }
} else {
-#ifdef BDB_HIER
- rc = db->bdi_db->set_bt_compare( db->bdi_db,
- bdb_bt_compare );
-#elif defined(BDB_IDL_MULTI)
rc = db->bdi_db->set_flags( db->bdi_db,
DB_DUP | DB_DUPSORT );
+#ifndef BDB_HIER
rc = db->bdi_db->set_dup_compare( db->bdi_db,
bdb_bt_compare );
+ if ( slapMode & SLAP_TOOL_READONLY ) {
+ flags |= DB_RDONLY;
+ } else {
+ flags |= DB_CREATE;
+ }
+#else
+ rc = db->bdi_db->set_dup_compare( db->bdi_db,
+ bdb_dup_compare );
+ rc = db->bdi_db->set_bt_compare( db->bdi_db,
+ bdb_bt_compare );
+ if ( slapMode & (SLAP_TOOL_READONLY|SLAP_TOOL_READMAIN) ) {
+ flags |= DB_RDONLY;
+ } else {
+ flags |= DB_CREATE;
+ }
#endif
rc = db->bdi_db->set_pagesize( db->bdi_db,
BDB_PAGESIZE );
}
- rc = DB_OPEN( db->bdi_db,
+#ifdef HAVE_EBCDIC
+ strcpy( path, bdbi_databases[i].file );
+ __atoe( path );
+ rc = DB_OPEN( db->bdi_db,
+ path,
+ /* bdbi_databases[i].name, */ NULL,
+ bdbi_databases[i].type,
+ bdbi_databases[i].flags | flags | DB_AUTO_COMMIT,
+ bdb->bi_dbenv_mode );
+#else
+ rc = DB_OPEN( db->bdi_db,
bdbi_databases[i].file,
/* bdbi_databases[i].name, */ NULL,
bdbi_databases[i].type,
- bdbi_databases[i].flags | flags,
+ bdbi_databases[i].flags | flags | DB_AUTO_COMMIT,
bdb->bi_dbenv_mode );
+#endif
if( rc != 0 ) {
#ifdef NEW_LOGGING
return rc;
}
+ flags &= ~(DB_CREATE | DB_RDONLY);
db->bdi_name = bdbi_databases[i].name;
bdb->bi_databases[i] = db;
}
}
/* <insert> open (and create) index databases */
-#ifdef BDB_HIER
- rc = bdb_build_tree( be );
-#endif
-
-#if 0 /* ifndef NO_THREADS */
- if( bdb->bi_lock_detect != DB_LOCK_NORUN ) {
- /* listener as a separate THREAD */
- rc = ldap_pvt_thread_create( &bdb->bi_lock_detect_tid,
- 1, lock_detect_task, bdb );
- }
-#endif
return 0;
}
int rc;
struct bdb_info *bdb = (struct bdb_info *) be->be_private;
struct bdb_db_info *db;
+#ifdef SLAP_IDL_CACHE
+ bdb_idl_cache_entry_t *entry, *next_entry;
+#endif
while( bdb->bi_ndatabases-- ) {
db = bdb->bi_databases[bdb->bi_ndatabases];
bdb_cache_release_all (&bdb->bi_cache);
+#ifdef SLAP_IDL_CACHE
+ if ( bdb->bi_idl_cache_max_size ) {
+ ldap_pvt_thread_rdwr_wlock ( &bdb->bi_idl_tree_rwlock );
+ avl_free( bdb->bi_idl_tree, NULL );
+ entry = bdb->bi_idl_lru_head;
+ while ( entry != NULL ) {
+ next_entry = entry->idl_lru_next;
+ if ( entry->idl )
+ free( entry->idl );
+ free( entry->kstr.bv_val );
+ free( entry );
+ entry = next_entry;
+ }
+ ldap_pvt_thread_rdwr_wunlock ( &bdb->bi_idl_tree_rwlock );
+ }
+#endif
+
return 0;
}
#endif
}
- bdb_cache_release_all (&bdb->bi_cache);
-
rc = bdb->bi_dbenv->close( bdb->bi_dbenv, 0 );
bdb->bi_dbenv = NULL;
if( rc != 0 ) {
if( bdb->bi_dbenv_home ) ch_free( bdb->bi_dbenv_home );
-#ifdef BDB_HIER
- ldap_pvt_thread_rdwr_destroy( &bdb->bi_tree_rdwr );
-#endif
ldap_pvt_thread_rdwr_destroy ( &bdb->bi_cache.c_rwlock );
ldap_pvt_thread_mutex_destroy( &bdb->bi_cache.lru_mutex );
+ ldap_pvt_thread_mutex_destroy( &bdb->bi_cache.c_dntree.bei_kids_mutex );
ldap_pvt_thread_mutex_destroy( &bdb->bi_lastid_mutex );
ldap_pvt_thread_mutex_destroy( &bdb->bi_database_mutex );
+#ifdef SLAP_IDL_CACHE
+ if ( bdb->bi_idl_cache_max_size ) {
+ ldap_pvt_thread_rdwr_destroy( &bdb->bi_idl_tree_rwlock );
+ ldap_pvt_thread_mutex_destroy( &bdb->bi_idl_tree_lrulock );
+ }
+#endif
ch_free( bdb );
be->be_private = NULL;
return 0;
}
-#ifdef SLAPD_BDB_DYNAMIC
-int back_bdb_LTX_init_module( int argc, char *argv[] ) {
+#if (defined(SLAPD_BDB_DYNAMIC) && !defined(BDB_HIER)) || \
+ (defined(SLAPD_HDB_DYNAMIC) && defined(BDB_HIER))
+int init_module( int argc, char *argv[] ) {
BackendInfo bi;
memset( &bi, '\0', sizeof(bi) );
+#ifdef BDB_HIER
+ bi.bi_type = "hdb";
+#else
bi.bi_type = "bdb";
+#endif
bi.bi_init = bdb_initialize;
backend_add( &bi );
)
{
static char *controls[] = {
+ LDAP_CONTROL_ASSERT,
LDAP_CONTROL_MANAGEDSAIT,
+ LDAP_CONTROL_NOOP,
+#ifdef LDAP_CONTROL_PAGEDRESULTS
+ LDAP_CONTROL_PAGEDRESULTS,
+#endif
#ifdef LDAP_CONTROL_SUBENTRIES
LDAP_CONTROL_SUBENTRIES,
#endif
-#ifdef LDAP_CONTROL_NOOP
- LDAP_CONTROL_NOOP,
-#endif
-#ifdef LDAP_CONTROL_VALUESRETURNFILTER
LDAP_CONTROL_VALUESRETURNFILTER,
-#endif
NULL
};
#ifdef NEW_LOGGING
LDAP_LOG( BACK_BDB, ENTRY, "bdb_db_initialize\n", 0, 0, 0 );
#else
- Debug( LDAP_DEBUG_TRACE, "bdb_open: initialize BDB backend\n",
+ Debug( LDAP_DEBUG_TRACE, "bdb_initialize: initialize BDB backend\n",
0, 0, 0 );
#endif
{ /* version check */
int major, minor, patch;
char *version = db_version( &major, &minor, &patch );
+#ifdef HAVE_EBCDIC
+ char v2[1024];
+
+ /* All our stdio does an ASCII to EBCDIC conversion on
+ * the output. Strings from the BDB library are already
+ * in EBCDIC; we have to go back and forth...
+ */
+ strcpy( v2, version );
+ __etoa( v2 );
+ version = v2;
+#endif
if( major != DB_VERSION_MAJOR ||
minor != DB_VERSION_MINOR ||
{
#ifdef NEW_LOGGING
LDAP_LOG( BACK_BDB, ERR,
- "bdb_db_initialize: version mismatch: "
- "\texpected: %s \tgot: %s\n", DB_VERSION_STRING, version, 0 );
+ "bdb_initialize: BDB library version mismatch:"
+ " expected " DB_VERSION_STRING ","
+ " got %s\n", version, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
- "bdb_open: version mismatch\n"
- "\texpected: " DB_VERSION_STRING "\n"
- "\tgot: %s \n", version, 0, 0 );
+ "bdb_initialize: BDB library version mismatch:"
+ " expected " DB_VERSION_STRING ","
+ " got %s\n", version, 0, 0 );
#endif
}
#ifdef NEW_LOGGING
LDAP_LOG( BACK_BDB, DETAIL1,
- "bdb_db_initialize: bdb_open: %s\n", version, 0, 0 );
+ "bdb_db_initialize: %s\n", version, 0, 0 );
#else
- Debug( LDAP_DEBUG_ANY, "bdb_open: %s\n",
+ Debug( LDAP_DEBUG_ANY, "bdb_initialize: %s\n",
version, 0, 0 );
#endif
}
-#if 0
- db_env_set_func_malloc( ch_malloc );
- db_env_set_func_realloc( ch_realloc );
- db_env_set_func_free( ch_free );
-#endif
-
+ db_env_set_func_free( ber_memfree );
+ db_env_set_func_malloc( (db_malloc *)ber_memalloc );
+ db_env_set_func_realloc( (db_realloc *)ber_memrealloc );
+#ifndef NO_THREAD
+ /* This is a no-op on a NO_THREAD build. Leave the default
+ * alone so that BDB will sleep on interprocess conflicts.
+ */
db_env_set_func_yield( ldap_pvt_thread_yield );
+#endif
{
- static char uuidbuf[40];
+ static char uuidbuf[ LDAP_LUTIL_UUIDSTR_BUFSIZE ];
bdb_uuid.bv_len = lutil_uuidstr( uuidbuf, sizeof( uuidbuf ));
bdb_uuid.bv_val = uuidbuf;
bi->bi_op_search = bdb_search;
bi->bi_op_unbind = 0;
- bi->bi_op_abandon = 0;
- bi->bi_extended = bdb_extended;
+ bi->bi_op_abandon = bdb_abandon;
+ bi->bi_op_cancel = bdb_cancel;
-#if 1
- /*
- * these routines (and their callers) are not yet designed
- * to work with transaction. Using them may cause deadlock.
- */
- bi->bi_acl_group = bdb_group;
- bi->bi_acl_attribute = bdb_attribute;
-#else
- bi->bi_acl_group = 0;
- bi->bi_acl_attribute = 0;
-#endif
+ bi->bi_extended = bdb_extended;
bi->bi_chk_referrals = bdb_referrals;
bi->bi_operational = bdb_operational;
+ bi->bi_has_subordinates = bdb_hasSubordinates;
bi->bi_entry_release_rw = bdb_entry_release;
+ bi->bi_entry_get_rw = bdb_entry_get;
/*
* hooks for slap tools
bi->bi_tool_entry_put = bdb_tool_entry_put;
bi->bi_tool_entry_reindex = bdb_tool_entry_reindex;
bi->bi_tool_sync = 0;
+ bi->bi_tool_dn2id_get = bdb_tool_dn2id_get;
+ bi->bi_tool_id2entry_get = bdb_tool_id2entry_get;
+ bi->bi_tool_entry_modify = bdb_tool_entry_modify;
bi->bi_connection_init = 0;
bi->bi_connection_destroy = 0;
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