From 7ab0916488b58306003cebedd30d9bfe1969763f Mon Sep 17 00:00:00 2001
From: Kurt Zeilenga <kurt@openldap.org>
Date: Wed, 20 Sep 2000 02:01:05 +0000
Subject: [PATCH] Reply on DB_CONFIG for tuning...

---
 servers/slapd/back-bdb/back-bdb.h | 19 +++------
 servers/slapd/back-bdb/init.c     | 68 ++++++++++++++-----------------
 2 files changed, 36 insertions(+), 51 deletions(-)

diff --git a/servers/slapd/back-bdb/back-bdb.h b/servers/slapd/back-bdb/back-bdb.h
index 8d6e0dd7fe..503e5de0a0 100644
--- a/servers/slapd/back-bdb/back-bdb.h
+++ b/servers/slapd/back-bdb/back-bdb.h
@@ -23,11 +23,11 @@ LDAP_BEGIN_DECL
 
 #define DEFAULT_MODE		0600
 
-#define DEFAULT_DBENV_HOME	LDAP_RUNDIR LDAP_DIRSEP "openldap-bdb"
+#define BDB_DBENV_HOME	LDAP_RUNDIR LDAP_DIRSEP "openldap-bdb"
 
-#define DEFAULT_DB_TMP_DIR	DEFAULT_DBENV_HOME LDAP_DIRSEP "tmp"
-#define DEFAULT_DB_LG_DIR	DEFAULT_DBENV_HOME LDAP_DIRSEP "log"
-#define DEFAULT_DB_DATA_DIR	DEFAULT_DBENV_HOME LDAP_DIRSEP "data"
+#define BDB_TMP_SUBDIR	LDAP_DIRSEP "tmp"
+#define BDB_LG_SUBDIR	LDAP_DIRSEP "log"
+#define BDB_DATA_SUBDIR	LDAP_DIRSEP "data"
 
 #define BDB_NEXTID	0
 #define BDB_ENTRIES	1
@@ -40,19 +40,12 @@ struct bdb_db_info {
 struct bdb_info {
 	DB_ENV		*bi_dbenv;
 
-	/* DB_env parameters */
+	/* DB_ENV parameters */
+	/* The DB_ENV can be tuned via DB_CONFIG */
 	char		*bi_dbenv_home;
 	u_int32_t	bi_dbenv_xflags; /* extra flags */
 	int			bi_dbenv_mode;
 
-	int			bi_tx_max;
-
-	char		*bi_db_tmp_dir;
-	char		*bi_db_lg_dir;
-	char		*bi_db_data_dir;
-
-	ID			*bi_lastid;
-
 	int			bi_ndatabases;
 	struct bdb_db_info **bdi_databases;
 };
diff --git a/servers/slapd/back-bdb/init.c b/servers/slapd/back-bdb/init.c
index b33811061f..0fbc7b882f 100644
--- a/servers/slapd/back-bdb/init.c
+++ b/servers/slapd/back-bdb/init.c
@@ -43,17 +43,10 @@ bi_back_db_init( Backend *be )
 	bdb = (struct bdb_info *) ch_calloc( 1, sizeof(struct bdb_info) );
 
 	/* DBEnv parameters */
-	bdb->bi_dbenv_home = ch_strdup( DEFAULT_DBENV_HOME );
+	bdb->bi_dbenv_home = ch_strdup( BDB_DBENV_HOME );
 	bdb->bi_dbenv_xflags = 0;
 	bdb->bi_dbenv_mode = DEFAULT_MODE;
 
-	/* default database directories */
-	bdb->bi_db_tmp_dir = ch_strdup( DEFAULT_DB_TMP_DIR );
-	bdb->bi_db_lg_dir = ch_strdup( DEFAULT_DB_LG_DIR );
-	bdb->bi_db_data_dir = ch_strdup( DEFAULT_DB_DATA_DIR );
-
-	bdb->bi_lastid = NOID;
-
 	be->be_private = bdb;
 	return 0;
 }
@@ -64,7 +57,6 @@ bi_back_db_open( BackendDB *be )
 	int rc;
 	struct bdb_info *bdb = (struct bdb_info *) be->be_private;
 	u_int32_t flags;
-
 	/* we should check existance of dbenv_home and db_directory */
 
 	rc = db_env_create( &bdb->bi_dbenv, 0 );
@@ -87,42 +79,40 @@ bi_back_db_open( BackendDB *be )
 	bdb->bi_dbenv->set_errpfx( bdb->bi_dbenv, be->be_suffix[0] );
 	bdb->bi_dbenv->set_errcall( bdb->bi_dbenv, bdb_errcall );
 
-	if( bdb->bi_tx_max ) {
-		rc = bdb->bi_dbenv->set_tx_max( bdb->bi_dbenv,
-			bdb->bi_tx_max );
+	{
+		char dir[MAXPATHLEN];
+		size_t len = strlen( bdb->bi_dbenv_home );
+
+		strcpy( dir, bdb->bi_dbenv_home );
+		strcat( &dir[len], BDB_TMP_SUBDIR );
+		
+		rc = bdb->bi_dbenv->set_tmp_dir( bdb->bi_dbenv, dir );
 		if( rc != 0 ) {
 			Debug( LDAP_DEBUG_ANY,
-				"bi_back_db_open: set_tx_max(%d) failed: %s (%d)\n",
-				bdb->bi_tx_max, db_strerror(rc), rc );
+				"bi_back_db_open: set_tmp_dir(%s) failed: %s (%d)\n",
+				dir, db_strerror(rc), rc );
 			return rc;
 		}
-	}
 
-	rc = bdb->bi_dbenv->set_tmp_dir( bdb->bi_dbenv,
-		bdb->bi_db_tmp_dir );
-	if( rc != 0 ) {
-		Debug( LDAP_DEBUG_ANY,
-			"bi_back_db_open: set_tmp_dir(%s) failed: %s (%d)\n",
-			bdb->bi_db_tmp_dir, db_strerror(rc), rc );
-		return rc;
-	}
+		strcat( &dir[len], BDB_LG_SUBDIR );
 
-	rc = bdb->bi_dbenv->set_lg_dir( bdb->bi_dbenv,
-		bdb->bi_db_lg_dir );
-	if( rc != 0 ) {
-		Debug( LDAP_DEBUG_ANY,
-			"bi_back_db_open: set_lg_dir(%s) failed: %s (%d)\n",
-			bdb->bi_db_lg_dir, db_strerror(rc), rc );
-		return rc;
-	}
+		rc = bdb->bi_dbenv->set_lg_dir( bdb->bi_dbenv, dir );
+		if( rc != 0 ) {
+			Debug( LDAP_DEBUG_ANY,
+				"bi_back_db_open: set_lg_dir(%s) failed: %s (%d)\n",
+				dir, db_strerror(rc), rc );
+			return rc;
+		}
 
-	rc = bdb->bi_dbenv->set_data_dir( bdb->bi_dbenv,
-		bdb->bi_db_data_dir );
-	if( rc != 0 ) {
-		Debug( LDAP_DEBUG_ANY,
-			"bi_back_db_open: set_data_dir(%s) failed: %s (%d)\n",
-			bdb->bi_db_data_dir, db_strerror(rc), rc );
-		return rc;
+		strcat( &dir[len], BDB_DATA_SUBDIR );
+
+		rc = bdb->bi_dbenv->set_data_dir( bdb->bi_dbenv, dir );
+		if( rc != 0 ) {
+			Debug( LDAP_DEBUG_ANY,
+				"bi_back_db_open: set_data_dir(%s) failed: %s (%d)\n",
+				dir, db_strerror(rc), rc );
+			return rc;
+		}
 	}
 
 	rc = bdb->bi_dbenv->open( bdb->bi_dbenv,
@@ -136,6 +126,8 @@ bi_back_db_open( BackendDB *be )
 		return rc;
 	}
 
+	/* we now need to open (and create) all database */
+
 	return 0;
 }
 
-- 
2.39.5