NTSTATUS dbwrap_trans_store_bystring(struct db_context *db, const char *key,
TDB_DATA data, int flags);
NTSTATUS dbwrap_trans_delete_bystring(struct db_context *db, const char *key);
+NTSTATUS dbwrap_trans_do(struct db_context *db,
+ NTSTATUS (*action)(struct db_context *, void *),
+ void *private_data);
/* The following definitions come from lib/debug.c */
{
return dbwrap_trans_delete(db, string_term_tdb_data(key));
}
+
+/**
+ * Wrap db action(s) into a transaction.
+ */
+NTSTATUS dbwrap_trans_do(struct db_context *db,
+ NTSTATUS (*action)(struct db_context *, void *),
+ void *private_data)
+{
+ int res;
+ NTSTATUS status;
+
+ res = db->transaction_start(db);
+ if (res != 0) {
+ DEBUG(5, ("transaction_start failed\n"));
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+
+ status = action(db, private_data);
+ if (!NT_STATUS_IS_OK(status)) {
+ if (db->transaction_cancel(db) != 0) {
+ smb_panic("Cancelling transaction failed");
+ }
+ return status;
+ }
+
+ res = db->transaction_commit(db);
+ if (res == 0) {
+ return NT_STATUS_OK;
+ }
+
+ DEBUG(2, ("transaction_commit failed\n"));
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+}