*/
#include "includes.h"
+#include "memcache.h"
+#include "smbd/smbd.h"
+#include "messages.h"
+#include "smbprofile.h"
+#include "tdb_compat.h"
/****************************************************************************
Stat cache code used in unix_convert.
*****************************************************************************/
-static TDB_CONTEXT *tdb_stat_cache;
-
/**
* Add an entry into the stat cache.
*
bool case_sensitive)
{
size_t translated_path_length;
- TDB_DATA data_val;
char *original_path;
size_t original_path_length;
- size_t sc_size = lp_max_stat_cache_size();
char saved_char;
TALLOC_CTX *ctx = talloc_tos();
return;
}
- if (sc_size && (tdb_map_size(tdb_stat_cache) > sc_size*1024)) {
- reset_stat_cache();
- }
-
- ZERO_STRUCT(data_val);
-
/*
* Don't cache trivial valid directory entries such as . and ..
*/
saved_char = translated_path[translated_path_length];
translated_path[translated_path_length] = '\0';
- data_val.dsize = translated_path_length + 1;
- data_val.dptr = (uint8 *)translated_path;
-
/*
* New entry or replace old entry.
*/
- if (tdb_store_bystring(tdb_stat_cache, original_path, data_val,
- TDB_REPLACE) != 0) {
- DEBUG(0,("stat_cache_add: Error storing entry %s -> %s\n",
- original_path, translated_path));
- } else {
- DEBUG(5,("stat_cache_add: Added entry (%lx:size%x) %s -> %s\n",
- (unsigned long)data_val.dptr,
- (unsigned int)data_val.dsize,
- original_path,
- translated_path));
- }
+ memcache_add(
+ smbd_memcache(), STAT_CACHE,
+ data_blob_const(original_path, original_path_length),
+ data_blob_const(translated_path, translated_path_length + 1));
+
+ DEBUG(5,("stat_cache_add: Added entry (%lx:size %x) %s -> %s\n",
+ (unsigned long)translated_path,
+ (unsigned int)translated_path_length,
+ original_path,
+ translated_path));
translated_path[translated_path_length] = saved_char;
TALLOC_FREE(original_path);
unsigned int num_components = 0;
char *translated_path;
size_t translated_path_length;
- TDB_DATA data_val;
+ DATA_BLOB data_val;
char *name;
TALLOC_CTX *ctx = talloc_tos();
+ struct smb_filename smb_fname;
*pp_dirpath = NULL;
*pp_start = *pp_name;
} else {
chk_name = talloc_strdup_upper(ctx,name);
if (!chk_name) {
- DEBUG(0, ("stat_cache_lookup: strdup_upper failed!\n"));
+ DEBUG(0, ("stat_cache_lookup: talloc_strdup_upper failed!\n"));
return False;
}
while (1) {
char *sp;
- data_val = tdb_fetch_bystring(tdb_stat_cache, chk_name);
+ data_val = data_blob_null;
- if (data_val.dptr != NULL && data_val.dsize != 0) {
+ if (memcache_lookup(
+ smbd_memcache(), STAT_CACHE,
+ data_blob_const(chk_name, strlen(chk_name)),
+ &data_val)) {
break;
}
}
}
- translated_path = talloc_strdup(ctx,(char *)data_val.dptr);
+ translated_path = talloc_strdup(ctx,(char *)data_val.data);
if (!translated_path) {
smb_panic("talloc failed");
}
- translated_path_length = data_val.dsize - 1;
- SAFE_FREE(data_val.dptr);
+ translated_path_length = data_val.length - 1;
DEBUG(10,("stat_cache_lookup: lookup succeeded for name [%s] "
"-> [%s]\n", chk_name, translated_path ));
DO_PROFILE_INC(statcache_hits);
- if (SMB_VFS_STAT(conn, translated_path, pst) != 0) {
+ ZERO_STRUCT(smb_fname);
+ smb_fname.base_name = translated_path;
+
+ if (SMB_VFS_STAT(conn, &smb_fname) != 0) {
/* Discard this entry - it doesn't exist in the filesystem. */
- tdb_delete_bystring(tdb_stat_cache, chk_name);
+ memcache_delete(smbd_memcache(), STAT_CACHE,
+ data_blob_const(chk_name, strlen(chk_name)));
TALLOC_FREE(chk_name);
TALLOC_FREE(translated_path);
return False;
}
+ *pst = smb_fname.st;
if (!sizechanged) {
memcpy(*pp_name, translated_path,
Tell all smbd's to delete an entry.
**************************************************************************/
-void send_stat_cache_delete_message(const char *name)
+void smbd_send_stat_cache_delete_message(struct messaging_context *msg_ctx,
+ const char *name)
{
#ifdef DEVELOPER
- message_send_all(smbd_messaging_context(),
+ message_send_all(msg_ctx,
MSG_SMB_STAT_CACHE_DELETE,
name,
strlen(name)+1,
DEBUG(10,("stat_cache_delete: deleting name [%s] -> %s\n",
lname, name ));
- tdb_delete_bystring(tdb_stat_cache, lname);
+ memcache_delete(smbd_memcache(), STAT_CACHE,
+ data_blob_const(lname, talloc_get_size(lname)-1));
TALLOC_FREE(lname);
}
if (!lp_stat_cache())
return True;
- if (tdb_stat_cache) {
- tdb_close(tdb_stat_cache);
- }
-
- /* Create the in-memory tdb using our custom hash function. */
- tdb_stat_cache = tdb_open_ex("statcache", 1031, TDB_INTERNAL,
- (O_RDWR|O_CREAT), 0644, NULL, fast_string_hash);
+ memcache_flush(smbd_memcache(), STAT_CACHE);
- if (!tdb_stat_cache)
- return False;
return True;
}