1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
/*
Unix SMB/CIFS implementation.
Python Talloc Module
Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2010-2011
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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include <Python.h>
#include <talloc.h>
#include <pytalloc.h>
void inittalloc(void);
/* print a talloc tree report for a talloc python object */
static PyObject *pytalloc_report_full(PyObject *self, PyObject *args)
{
PyObject *py_obj = Py_None;
PyTypeObject *type;
if (!PyArg_ParseTuple(args, "|O", &py_obj))
return NULL;
if (py_obj == Py_None) {
talloc_report_full(NULL, stdout);
} else {
type = (PyTypeObject*)PyObject_Type(py_obj);
talloc_report_full(pytalloc_get_mem_ctx(py_obj), stdout);
}
return Py_None;
}
/* enable null tracking */
static PyObject *pytalloc_enable_null_tracking(PyObject *self)
{
talloc_enable_null_tracking();
return Py_None;
}
/* return the number of talloc blocks */
static PyObject *pytalloc_total_blocks(PyObject *self, PyObject *args)
{
PyObject *py_obj = Py_None;
PyTypeObject *type;
if (!PyArg_ParseTuple(args, "|O", &py_obj))
return NULL;
if (py_obj == Py_None) {
return PyLong_FromLong(talloc_total_blocks(NULL));
}
type = (PyTypeObject*)PyObject_Type(py_obj);
return PyLong_FromLong(talloc_total_blocks(pytalloc_get_mem_ctx(py_obj)));
}
static PyMethodDef talloc_methods[] = {
{ "report_full", (PyCFunction)pytalloc_report_full, METH_VARARGS,
"show a talloc tree for an object"},
{ "enable_null_tracking", (PyCFunction)pytalloc_enable_null_tracking, METH_NOARGS,
"enable tracking of the NULL object"},
{ "total_blocks", (PyCFunction)pytalloc_total_blocks, METH_VARARGS,
"return talloc block count"},
{ NULL }
};
/**
* Default (but only slightly more useful than the default) implementation of Repr().
*/
static PyObject *pytalloc_default_repr(PyObject *obj)
{
pytalloc_Object *talloc_obj = (pytalloc_Object *)obj;
PyTypeObject *type = (PyTypeObject*)PyObject_Type(obj);
return PyString_FromFormat("<%s talloc object at 0x%p>",
type->tp_name, talloc_obj->ptr);
}
/**
* Simple dealloc for talloc-wrapping PyObjects
*/
static void pytalloc_dealloc(PyObject* self)
{
pytalloc_Object *obj = (pytalloc_Object *)self;
assert(talloc_unlink(NULL, obj->talloc_ctx) != -1);
obj->talloc_ctx = NULL;
self->ob_type->tp_free(self);
}
/**
* Default (but only slightly more useful than the default) implementation of cmp.
*/
static int pytalloc_default_cmp(PyObject *_obj1, PyObject *_obj2)
{
pytalloc_Object *obj1 = (pytalloc_Object *)_obj1,
*obj2 = (pytalloc_Object *)_obj2;
if (obj1->ob_type != obj2->ob_type)
return (obj1->ob_type - obj2->ob_type);
return ((char *)pytalloc_get_ptr(obj1) - (char *)pytalloc_get_ptr(obj2));
}
static PyTypeObject TallocObject_Type = {
.tp_name = "talloc.Object",
.tp_doc = "Python wrapper for a talloc-maintained object.",
.tp_basicsize = sizeof(pytalloc_Object),
.tp_dealloc = (destructor)pytalloc_dealloc,
.tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
.tp_repr = pytalloc_default_repr,
.tp_compare = pytalloc_default_cmp,
};
void inittalloc(void)
{
PyObject *m;
if (PyType_Ready(&TallocObject_Type) < 0)
return;
m = Py_InitModule3("talloc", talloc_methods,
"Python wrapping of talloc-maintained objects.");
if (m == NULL)
return;
Py_INCREF(&TallocObject_Type);
PyModule_AddObject(m, "Object", (PyObject *)&TallocObject_Type);
}
|
