diff options
Diffstat (limited to 'source4/lib/ldb/ldb_tdb')
-rw-r--r-- | source4/lib/ldb/ldb_tdb/ldb_tdb_wrap.c | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/source4/lib/ldb/ldb_tdb/ldb_tdb_wrap.c b/source4/lib/ldb/ldb_tdb/ldb_tdb_wrap.c deleted file mode 100644 index 654574cd2f..0000000000 --- a/source4/lib/ldb/ldb_tdb/ldb_tdb_wrap.c +++ /dev/null @@ -1,153 +0,0 @@ -/* - ldb database library - - Copyright (C) Andrew Tridgell 2005 - - ** NOTE! The following LGPL license applies to the ldb - ** library. This does NOT imply that all of Samba is released - ** under the LGPL - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 3 of the License, or (at your option) any later version. - - This library 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, see <http://www.gnu.org/licenses/>. -*/ - -#include "ldb_includes.h" - -#include "ldb_tdb.h" - -/* - the purpose of this code is to work around the braindead posix locking - rules, to allow us to have a ldb open more than once while allowing - locking to work -*/ - -struct ltdb_wrap { - struct ltdb_wrap *next, *prev; - struct tdb_context *tdb; - dev_t device; - ino_t inode; -}; - -static struct ltdb_wrap *tdb_list; - -/* destroy the last connection to a tdb */ -static int ltdb_wrap_destructor(struct ltdb_wrap *w) -{ - tdb_close(w->tdb); - if (w->next) { - w->next->prev = w->prev; - } - if (w->prev) { - w->prev->next = w->next; - } - if (w == tdb_list) { - tdb_list = w->next; - } - return 0; -} - -static void ltdb_log_fn(struct tdb_context *tdb, enum tdb_debug_level level, const char *fmt, ...) PRINTF_ATTRIBUTE(3, 4); -static void ltdb_log_fn(struct tdb_context *tdb, enum tdb_debug_level level, const char *fmt, ...) -{ - va_list ap; - const char *name = tdb_name(tdb); - struct ldb_context *ldb = talloc_get_type(tdb_get_logging_private(tdb), struct ldb_context); - enum ldb_debug_level ldb_level; - char *message; - va_start(ap, fmt); - message = talloc_vasprintf(ldb, fmt, ap); - va_end(ap); - - switch (level) { - case TDB_DEBUG_FATAL: - ldb_level = LDB_DEBUG_FATAL; - break; - case TDB_DEBUG_ERROR: - ldb_level = LDB_DEBUG_ERROR; - break; - case TDB_DEBUG_WARNING: - ldb_level = LDB_DEBUG_WARNING; - break; - case TDB_DEBUG_TRACE: - ldb_level = LDB_DEBUG_TRACE; - break; - default: - ldb_level = LDB_DEBUG_FATAL; - } - - ldb_debug(ldb, ldb_level, "ltdb: tdb(%s): %s", name, message); - talloc_free(message); -} - -/* - wrapped connection to a tdb database. The caller should _not_ free - this as it is not a talloc structure (as tdb does not use talloc - yet). It will auto-close when the caller frees the mem_ctx that is - passed to this call - */ -struct tdb_context *ltdb_wrap_open(TALLOC_CTX *mem_ctx, - const char *path, int hash_size, - int tdb_flags, - int open_flags, mode_t mode, - struct ldb_context *ldb) -{ - struct ltdb_wrap *w; - struct stat st; - struct tdb_logging_context log_ctx; - - log_ctx.log_fn = ltdb_log_fn; - log_ctx.log_private = ldb; - - if (stat(path, &st) == 0) { - for (w=tdb_list;w;w=w->next) { - if (st.st_dev == w->device && st.st_ino == w->inode) { - if (!talloc_reference(mem_ctx, w)) { - return NULL; - } - return w->tdb; - } - } - } - - w = talloc(mem_ctx, struct ltdb_wrap); - if (w == NULL) { - return NULL; - } - - w->tdb = tdb_open_ex(path, hash_size, tdb_flags, open_flags, mode, &log_ctx, NULL); - if (w->tdb == NULL) { - talloc_free(w); - return NULL; - } - - if (fstat(tdb_fd(w->tdb), &st) != 0) { - tdb_close(w->tdb); - talloc_free(w); - return NULL; - } - - w->device = st.st_dev; - w->inode = st.st_ino; - - talloc_set_destructor(w, ltdb_wrap_destructor); - - w->next = tdb_list; - w->prev = NULL; - if (tdb_list) { - tdb_list->prev = w; - } - tdb_list = w; - - return w->tdb; -} - |