Initial import

[samba] / source / registry / reg_cachehook.c

diff --git a/source/registry/reg_cachehook.c b/source/registry/reg_cachehook.c
new file mode 100644 (file)
index 0000000..32885be
--- /dev/null
+++ b/source/registry/reg_cachehook.c
@@ -0,0 +1,113 @@
+/* 
+ *  Unix SMB/CIFS implementation.
+ *  Virtual Windows Registry Layer
+ *  Copyright (C) Gerald Carter                     2002.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *  
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *  
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+/* Implementation of registry hook cache tree */
+
+#include "includes.h"
+#include "adt_tree.h"
+
+#undef DBGC_CLASS
+#define DBGC_CLASS DBGC_RPC_SRV
+
+static SORTED_TREE *cache_tree;
+extern REGISTRY_OPS regdb_ops;         /* these are the default */
+static REGISTRY_HOOK default_hook = { KEY_TREE_ROOT, &regdb_ops };
+
+/**********************************************************************
+ Initialize the cache tree
+ *********************************************************************/
+
+BOOL reghook_cache_init( void )
+{
+       cache_tree = pathtree_init( &default_hook, NULL );
+
+       return ( cache_tree == NULL );
+}
+
+/**********************************************************************
+ Add a new REGISTRY_HOOK to the cache.  Note that the keyname
+ is not in the exact format that a SORTED_TREE expects.
+ *********************************************************************/
+
+BOOL reghook_cache_add( REGISTRY_HOOK *hook )
+{
+       pstring key;
+       
+       if ( !hook )
+               return False;
+               
+       pstrcpy( key, "\\");
+       pstrcat( key, hook->keyname );  
+       
+       pstring_sub( key, "\\", "/" );
+
+       DEBUG(10,("reghook_cache_add: Adding key [%s]\n", key));
+               
+       return pathtree_add( cache_tree, key, hook );
+}
+
+/**********************************************************************
+ Initialize the cache tree
+ *********************************************************************/
+
+REGISTRY_HOOK* reghook_cache_find( const char *keyname )
+{
+       char *key;
+       int len;
+       REGISTRY_HOOK *hook;
+       
+       if ( !keyname )
+               return NULL;
+       
+       /* prepend the string with a '\' character */
+       
+       len = strlen( keyname );
+       if ( !(key = SMB_MALLOC( len + 2 )) ) {
+               DEBUG(0,("reghook_cache_find: malloc failed for string [%s] !?!?!\n",
+                       keyname));
+               return NULL;
+       }
+
+       *key = '\\';
+       strncpy( key+1, keyname, len+1);
+       
+       /* swap to a form understood by the SORTED_TREE */
+
+       string_sub( key, "\\", "/", 0 );
+               
+       DEBUG(10,("reghook_cache_find: Searching for keyname [%s]\n", key));
+       
+       hook = pathtree_find( cache_tree, key ) ;
+       
+       SAFE_FREE( key );
+       
+       return hook;
+}
+
+/**********************************************************************
+ Initialize the cache tree
+ *********************************************************************/
+
+void reghook_dump_cache( int debuglevel )
+{
+       DEBUG(debuglevel,("reghook_dump_cache: Starting cache dump now...\n"));
+       
+       pathtree_print_keys( cache_tree, debuglevel );
+}