r26077: Import updated TDB bindings.

(This used to be commit afe091d92ebb1dc15ae3d8df9a5ba8832933a83c)

1 files changed, 252 insertions, 0 deletions

diff --git a/source4/lib/tdb/tdb.i b/source4/lib/tdb/tdb.i
new file mode 100644
index 0000000000..2f6b249c28
--- /dev/null
+++ b/source4/lib/tdb/tdb.i
@@ -0,0 +1,252 @@
+/* 
+   Unix SMB/CIFS implementation.
+
+   Swig interface to tdb.
+
+   Copyright (C) 2004-2006 Tim Potter <tpot@samba.org>
+   Copyright (C) 2007 Jelmer Vernooij <jelmer@samba.org>
+
+     ** NOTE! The following LGPL license applies to the tdb
+     ** 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/>.
+*/
+
+%module tdb
+
+%{
+
+/* This symbol is used in both includes.h and Python.h which causes an
+   annoying compiler warning. */
+
+#ifdef HAVE_FSTAT
+#undef HAVE_FSTAT
+#endif
+
+/* Include tdb headers */
+#include <tdb.h>
+#include <fcntl.h>
+
+typedef TDB_CONTEXT tdb;
+%}
+
+/* The tdb functions will crash if a NULL tdb context is passed */
+
+%include exception.i
+
+%typemap(check) TDB_CONTEXT* {
+	if ($1 == NULL)
+		SWIG_exception(SWIG_ValueError, 
+			"tdb context must be non-NULL");
+}
+
+/* In and out typemaps for the TDB_DATA structure.  This is converted to
+   and from the Python string type which can contain arbitrary binary
+   data.. */
+
+%typemap(in) TDB_DATA {
+	if (!PyString_Check($input)) {
+		PyErr_SetString(PyExc_TypeError, "string arg expected");
+		return NULL;
+	}
+	$1.dsize = PyString_Size($input);
+	$1.dptr = (uint8_t *)PyString_AsString($input);
+}
+
+%typemap(out) TDB_DATA {
+	if ($1.dptr == NULL && $1.dsize == 0) {
+		$result = Py_None;
+	} else {
+		$result = PyString_FromStringAndSize((const char *)$1.dptr, $1.dsize);
+		free($1.dptr);
+	}
+}
+
+/* Treat a mode_t as an unsigned integer */
+typedef int mode_t;
+
+/* flags to tdb_store() */
+%constant int REPLACE = TDB_REPLACE;
+%constant int INSERT = TDB_INSERT;
+%constant int MODIFY = TDB_MODIFY;
+
+/* flags for tdb_open() */
+%constant int DEFAULT = TDB_DEFAULT;
+%constant int CLEAR_IF_FIRST = TDB_CLEAR_IF_FIRST;
+%constant int INTERNAL = TDB_INTERNAL;
+%constant int NOLOCK = TDB_NOLOCK;
+%constant int NOMMAP = TDB_NOMMAP;
+%constant int CONVERT = TDB_CONVERT;
+%constant int BIGENDIAN = TDB_BIGENDIAN;
+
+enum TDB_ERROR {
+     TDB_SUCCESS=0, 
+     TDB_ERR_CORRUPT, 
+     TDB_ERR_IO, 
+     TDB_ERR_LOCK, 
+     TDB_ERR_OOM, 
+     TDB_ERR_EXISTS, 
+     TDB_ERR_NOLOCK, 
+     TDB_ERR_LOCK_TIMEOUT,
+     TDB_ERR_NOEXIST, 
+     TDB_ERR_EINVAL, 
+     TDB_ERR_RDONLY
+};
+
+%rename(Tdb) tdb;
+%rename(lock_all) tdb_context::lockall;
+%rename(unlock_all) tdb_context::unlockall;
+
+%rename(read_lock_all) tdb_context::lockall_read;
+%rename(read_unlock_all) tdb_context::unlockall_read;
+
+%typemap(default) int tdb_flags {
+    $1 = TDB_DEFAULT;
+}
+
+%typemap(default) int open_flags {
+    $1 = O_RDWR;
+}
+
+%typemap(default) int hash_size {
+    $1 = 0;
+}
+
+%typemap(default) mode_t mode {
+    $1 = 0600;
+}
+
+%typemap(default) int flag {
+    $1 = TDB_REPLACE;
+}
+
+typedef struct tdb_context {
+    %extend {
+        tdb(const char *name, int hash_size,
+                    int tdb_flags,
+                    int open_flags, mode_t mode)
+        {
+            tdb *ret = tdb_open(name, hash_size, tdb_flags, open_flags, mode);
+
+            /* Throw an IOError exception from errno if tdb_open() returns 
+               NULL */
+            if (ret == NULL) {
+                PyErr_SetFromErrno(PyExc_IOError);
+                SWIG_fail;
+            }
+
+fail:
+            return ret;
+        }
+        enum TDB_ERROR error();
+        ~tdb() { tdb_close($self); }
+        int close();
+        int append(TDB_DATA key, TDB_DATA new_dbuf);
+        const char *errorstr();
+        TDB_DATA fetch(TDB_DATA key);
+        int delete(TDB_DATA key);
+        int store(TDB_DATA key, TDB_DATA dbuf, int flag);
+        int exists(TDB_DATA key);
+        TDB_DATA firstkey();
+        TDB_DATA nextkey(TDB_DATA key);
+        int lockall();
+        int unlockall();
+        int lockall_read();
+        int unlockall_read();
+        int reopen();
+        int transaction_start();
+        int transaction_commit();
+        int transaction_cancel();
+        int transaction_recover();
+        int hash_size();
+        size_t map_size();
+        int get_flags();
+        void set_max_dead(int max_dead);
+        const char *name();
+    }
+
+    %pythoncode {
+    def __str__(self):
+        return self.name()
+
+    # Random access to keys, values
+    def __getitem__(self, key):
+        result = self.fetch(key)
+        if result is None:
+            raise KeyError, '%s: %s' % (key, self.errorstr())
+        return result
+
+    def __setitem__(self, key, item):
+        if self.store(key, item) == -1:
+            raise IOError, self.errorstr()
+
+    def __delitem__(self, key):
+        if not self.exists(key):
+            raise KeyError, '%s: %s' % (key, self.errorstr())
+        self.delete(key)
+
+    def __contains__(self, key):
+        return self.exists(key) != 0
+
+    def has_key(self, key):
+        return self.exists(key) != 0
+
+    # Tdb iterator
+    class TdbIterator:
+        def __init__(self, tdb):
+            self.tdb = tdb
+            self.key = None
+
+        def __iter__(self):
+            return self
+            
+        def next(self):
+            if self.key is None:
+                self.key = self.tdb.firstkey()
+                if self.key is None:
+                    raise StopIteration
+                return self.key
+            else:
+                self.key = self.tdb.nextkey(self.key)
+                if self.key is None:
+                    raise StopIteration
+                return self.key
+
+    def __iter__(self):
+        return self.TdbIterator(self)
+
+    # Implement other dict functions using TdbIterator
+
+    def keys(self):
+        return [k for k in iter(self)]
+
+    def values(self):
+        return [self[k] for k in iter(self)]
+
+    def items(self):
+        return [(k, self[k]) for k in iter(self)]
+
+    def __len__(self):
+        return len(self.keys())
+
+    def clear(self):
+        for k in iter(self):
+            del(self[k])
+
+    # TODO: iterkeys, itervalues, iteritems
+
+    # TODO: any other missing methods for container types
+    }
+} tdb;