Line data Source code
1 : /*
2 : Samba Unix SMB/CIFS implementation.
3 :
4 : C utilities for the pytalloc test suite.
5 : Provides the "_test_pytalloc" Python module.
6 :
7 : NOTE: Please read talloc_guide.txt for full documentation
8 :
9 : Copyright (C) Petr Viktorin 2015
10 :
11 : ** NOTE! The following LGPL license applies to the talloc
12 : ** library. This does NOT imply that all of Samba is released
13 : ** under the LGPL
14 :
15 : This library is free software; you can redistribute it and/or
16 : modify it under the terms of the GNU Lesser General Public
17 : License as published by the Free Software Foundation; either
18 : version 3 of the License, or (at your option) any later version.
19 :
20 : This library is distributed in the hope that it will be useful,
21 : but WITHOUT ANY WARRANTY; without even the implied warranty of
22 : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
23 : Lesser General Public License for more details.
24 :
25 : You should have received a copy of the GNU Lesser General Public
26 : License along with this library; if not, see <http://www.gnu.org/licenses/>.
27 : */
28 :
29 : #include "lib/replace/system/python.h"
30 : #include <talloc.h>
31 : #include <pytalloc.h>
32 :
33 6 : static PyObject *testpytalloc_new(PyTypeObject *mod,
34 : PyObject *Py_UNUSED(ignored))
35 : {
36 6 : char *obj = talloc_strdup(NULL, "This is a test string");;
37 6 : return pytalloc_steal(pytalloc_GetObjectType(), obj);
38 : }
39 :
40 1 : static PyObject *testpytalloc_get_object_type(PyObject *mod,
41 : PyObject *Py_UNUSED(ignored))
42 : {
43 1 : PyObject *type = (PyObject *)pytalloc_GetObjectType();
44 1 : Py_INCREF(type);
45 1 : return type;
46 : }
47 :
48 4 : static PyObject *testpytalloc_base_new(PyTypeObject *mod,
49 : PyObject *Py_UNUSED(ignored))
50 : {
51 4 : char *obj = talloc_strdup(NULL, "This is a test string for a BaseObject");;
52 4 : return pytalloc_steal(pytalloc_GetBaseObjectType(), obj);
53 : }
54 :
55 1 : static PyObject *testpytalloc_base_get_object_type(PyObject *mod,
56 : PyObject *Py_UNUSED(ignored))
57 : {
58 1 : PyObject *type = (PyObject *)pytalloc_GetBaseObjectType();
59 1 : Py_INCREF(type);
60 1 : return type;
61 : }
62 :
63 1 : static PyObject *testpytalloc_reference(PyObject *mod, PyObject *args) {
64 1 : PyObject *source = NULL;
65 : void *ptr;
66 :
67 1 : if (!PyArg_ParseTuple(args, "O!", pytalloc_GetObjectType(), &source))
68 0 : return NULL;
69 :
70 1 : ptr = pytalloc_get_ptr(source);
71 1 : return pytalloc_reference_ex(pytalloc_GetObjectType(), ptr, ptr);
72 : }
73 :
74 1 : static PyObject *testpytalloc_base_reference(PyObject *mod, PyObject *args) {
75 1 : PyObject *source = NULL;
76 : void *mem_ctx;
77 :
78 1 : if (!PyArg_ParseTuple(args, "O!", pytalloc_GetBaseObjectType(), &source)) {
79 0 : return NULL;
80 : }
81 1 : mem_ctx = pytalloc_get_mem_ctx(source);
82 1 : return pytalloc_reference_ex(pytalloc_GetBaseObjectType(), mem_ctx, mem_ctx);
83 : }
84 :
85 : static PyMethodDef test_talloc_methods[] = {
86 : { "new", (PyCFunction)testpytalloc_new, METH_NOARGS,
87 : "create a talloc Object with a testing string"},
88 : { "get_object_type", (PyCFunction)testpytalloc_get_object_type, METH_NOARGS,
89 : "call pytalloc_GetObjectType"},
90 : { "base_new", (PyCFunction)testpytalloc_base_new, METH_NOARGS,
91 : "create a talloc BaseObject with a testing string"},
92 : { "base_get_object_type", (PyCFunction)testpytalloc_base_get_object_type, METH_NOARGS,
93 : "call pytalloc_GetBaseObjectType"},
94 : { "reference", (PyCFunction)testpytalloc_reference, METH_VARARGS,
95 : "call pytalloc_reference_ex"},
96 : { "base_reference", (PyCFunction)testpytalloc_base_reference, METH_VARARGS,
97 : "call pytalloc_reference_ex"},
98 : {0}
99 : };
100 :
101 : static PyTypeObject DObject_Type;
102 :
103 2 : static int dobject_destructor(void *ptr)
104 : {
105 2 : PyObject *destructor_func = *talloc_get_type(ptr, PyObject*);
106 : PyObject *ret;
107 2 : ret = PyObject_CallObject(destructor_func, NULL);
108 2 : Py_DECREF(destructor_func);
109 2 : if (ret == NULL) {
110 0 : PyErr_Print();
111 : } else {
112 2 : Py_DECREF(ret);
113 : }
114 2 : return 0;
115 : }
116 :
117 2 : static PyObject *dobject_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
118 : {
119 2 : PyObject *destructor_func = NULL;
120 : PyObject **obj;
121 :
122 2 : if (!PyArg_ParseTuple(args, "O", &destructor_func))
123 0 : return NULL;
124 2 : Py_INCREF(destructor_func);
125 :
126 2 : obj = talloc(NULL, PyObject*);
127 2 : *obj = destructor_func;
128 :
129 2 : talloc_set_destructor((void*)obj, dobject_destructor);
130 2 : return pytalloc_steal(&DObject_Type, obj);
131 : }
132 :
133 : static PyTypeObject DObject_Type = {
134 : .tp_name = "_test_pytalloc.DObject",
135 : .tp_basicsize = sizeof(pytalloc_Object),
136 : .tp_methods = NULL,
137 : .tp_new = dobject_new,
138 : .tp_flags = Py_TPFLAGS_DEFAULT,
139 : .tp_doc = "test talloc object that calls a function when underlying data is freed\n",
140 : };
141 :
142 : static PyTypeObject DBaseObject_Type;
143 :
144 2 : static int d_base_object_destructor(void *ptr)
145 : {
146 2 : PyObject *destructor_func = *talloc_get_type(ptr, PyObject*);
147 : PyObject *ret;
148 2 : ret = PyObject_CallObject(destructor_func, NULL);
149 2 : Py_DECREF(destructor_func);
150 2 : if (ret == NULL) {
151 0 : PyErr_Print();
152 : } else {
153 2 : Py_DECREF(ret);
154 : }
155 2 : return 0;
156 : }
157 :
158 2 : static PyObject *d_base_object_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
159 : {
160 2 : PyObject *destructor_func = NULL;
161 : PyObject **obj;
162 :
163 2 : if (!PyArg_ParseTuple(args, "O", &destructor_func))
164 0 : return NULL;
165 2 : Py_INCREF(destructor_func);
166 :
167 2 : obj = talloc(NULL, PyObject*);
168 2 : *obj = destructor_func;
169 :
170 2 : talloc_set_destructor((void*)obj, d_base_object_destructor);
171 2 : return pytalloc_steal(&DBaseObject_Type, obj);
172 : }
173 :
174 : static PyTypeObject DBaseObject_Type = {
175 : .tp_name = "_test_pytalloc.DBaseObject",
176 : .tp_methods = NULL,
177 : .tp_new = d_base_object_new,
178 : .tp_flags = Py_TPFLAGS_DEFAULT,
179 : .tp_doc = "test talloc object that calls a function when underlying data is freed\n",
180 : };
181 :
182 : #define MODULE_DOC PyDoc_STR("Test utility module for pytalloc")
183 :
184 : static struct PyModuleDef moduledef = {
185 : PyModuleDef_HEAD_INIT,
186 : .m_name = "_test_pytalloc",
187 : .m_doc = PyDoc_STR("Test utility module for pytalloc"),
188 : .m_size = -1,
189 : .m_methods = test_talloc_methods,
190 : };
191 :
192 : static PyObject *module_init(void);
193 2 : static PyObject *module_init(void)
194 : {
195 : PyObject *m;
196 :
197 2 : DObject_Type.tp_base = pytalloc_GetObjectType();
198 2 : if (PyType_Ready(&DObject_Type) < 0) {
199 0 : return NULL;
200 : }
201 :
202 2 : DBaseObject_Type.tp_basicsize = pytalloc_BaseObject_size();
203 2 : DBaseObject_Type.tp_base = pytalloc_GetBaseObjectType();
204 2 : if (PyType_Ready(&DBaseObject_Type) < 0) {
205 0 : return NULL;
206 : }
207 :
208 2 : m = PyModule_Create(&moduledef);
209 :
210 2 : if (m == NULL) {
211 0 : return NULL;
212 : }
213 :
214 2 : Py_INCREF(&DObject_Type);
215 2 : Py_INCREF(DObject_Type.tp_base);
216 2 : PyModule_AddObject(m, "DObject", (PyObject *)&DObject_Type);
217 :
218 2 : Py_INCREF(&DBaseObject_Type);
219 2 : Py_INCREF(DBaseObject_Type.tp_base);
220 2 : PyModule_AddObject(m, "DBaseObject", (PyObject *)&DBaseObject_Type);
221 :
222 2 : return m;
223 : }
224 :
225 :
226 : PyMODINIT_FUNC PyInit__test_pytalloc(void);
227 2 : PyMODINIT_FUNC PyInit__test_pytalloc(void)
228 : {
229 2 : return module_init();
230 : }
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