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6fa6bfa1 SM |
1 | /* |
2 | * The MIT License (MIT) | |
3 | * | |
4 | * Copyright (c) 2017 Philippe Proulx <pproulx@efficios.com> | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
7 | * of this software and associated documentation files (the "Software"), to deal | |
8 | * in the Software without restriction, including without limitation the rights | |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 | * copies of the Software, and to permit persons to whom the Software is | |
11 | * furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
22 | * THE SOFTWARE. | |
23 | */ | |
24 | ||
e4b56bb9 SM |
25 | %include <babeltrace2/graph/component-class-const.h> |
26 | %include <babeltrace2/graph/component-class-source-const.h> | |
27 | %include <babeltrace2/graph/component-class-source.h> | |
28 | %include <babeltrace2/graph/component-class-filter-const.h> | |
29 | %include <babeltrace2/graph/component-class-filter.h> | |
30 | %include <babeltrace2/graph/component-class-sink-const.h> | |
31 | %include <babeltrace2/graph/component-class-sink.h> | |
32 | %include <babeltrace2/graph/self-component-class-source.h> | |
33 | %include <babeltrace2/graph/self-component-class-filter.h> | |
34 | %include <babeltrace2/graph/self-component-class-sink.h> | |
6fa6bfa1 SM |
35 | |
36 | %{ | |
37 | /* | |
38 | * This hash table associates a BT component class object address to a | |
39 | * user-defined Python class (PyObject *). The keys and values are NOT | |
40 | * owned by this hash table. The Python class objects are owned by the | |
41 | * Python module, which should not be unloaded until it is not possible | |
42 | * to create a user Python component anyway. | |
43 | * | |
44 | * This hash table is written to when a user-defined Python component | |
45 | * class is created by one of the bt_py3_component_class_*_create() | |
46 | * functions. | |
47 | * | |
48 | * This function is read from when a user calls bt_component_create() | |
49 | * with a component class pointer created by one of the functions above. | |
50 | * In this case, the original Python class needs to be found to | |
51 | * instantiate it and associate the created Python component object with | |
52 | * a BT component object instance. | |
53 | */ | |
54 | ||
55 | static GHashTable *bt_cc_ptr_to_py_cls; | |
56 | ||
efb177a7 SM |
57 | static |
58 | void register_cc_ptr_to_py_cls(struct bt_component_class *bt_cc, | |
6fa6bfa1 SM |
59 | PyObject *py_cls) |
60 | { | |
61 | if (!bt_cc_ptr_to_py_cls) { | |
62 | /* | |
63 | * Lazy-initializing this GHashTable because GLib | |
64 | * might not be initialized yet and it needs to be | |
65 | * before we call g_hash_table_new() | |
66 | */ | |
67 | BT_LOGD_STR("Creating native component class to Python component class hash table."); | |
68 | bt_cc_ptr_to_py_cls = g_hash_table_new(g_direct_hash, g_direct_equal); | |
69 | BT_ASSERT(bt_cc_ptr_to_py_cls); | |
70 | } | |
71 | ||
72 | g_hash_table_insert(bt_cc_ptr_to_py_cls, (gpointer) bt_cc, | |
73 | (gpointer) py_cls); | |
74 | } | |
75 | ||
efb177a7 SM |
76 | static |
77 | PyObject *lookup_cc_ptr_to_py_cls(const bt_component_class *bt_cc) | |
6fa6bfa1 SM |
78 | { |
79 | if (!bt_cc_ptr_to_py_cls) { | |
80 | BT_LOGW("Cannot look up Python component class because hash table is NULL: " | |
81 | "comp-cls-addr=%p", bt_cc); | |
82 | return NULL; | |
83 | } | |
84 | ||
85 | return (PyObject *) g_hash_table_lookup(bt_cc_ptr_to_py_cls, | |
86 | (gconstpointer) bt_cc); | |
87 | } | |
88 | ||
89 | ||
90 | /* | |
91 | * Useful Python objects. | |
92 | */ | |
93 | ||
94 | static PyObject *py_mod_bt2 = NULL; | |
95 | static PyObject *py_mod_bt2_exc_error_type = NULL; | |
96 | static PyObject *py_mod_bt2_exc_try_again_type = NULL; | |
97 | static PyObject *py_mod_bt2_exc_stop_type = NULL; | |
fa4c33e3 | 98 | static PyObject *py_mod_bt2_exc_msg_iter_canceled_type = NULL; |
6fa6bfa1 SM |
99 | static PyObject *py_mod_bt2_exc_invalid_query_object_type = NULL; |
100 | static PyObject *py_mod_bt2_exc_invalid_query_params_type = NULL; | |
101 | ||
efb177a7 SM |
102 | static |
103 | void bt_py3_cc_init_from_bt2(void) | |
6fa6bfa1 SM |
104 | { |
105 | /* | |
106 | * This is called once the bt2 package is loaded. | |
107 | * | |
108 | * Those modules and functions are needed while the package is | |
109 | * used. Loading them here is safe because we know the bt2 | |
110 | * package is imported, and we know that the user cannot use the | |
111 | * code here without importing bt2 first. | |
112 | */ | |
113 | py_mod_bt2 = PyImport_ImportModule("bt2"); | |
114 | BT_ASSERT(py_mod_bt2); | |
115 | py_mod_bt2_exc_error_type = | |
116 | PyObject_GetAttrString(py_mod_bt2, "Error"); | |
117 | BT_ASSERT(py_mod_bt2_exc_error_type); | |
118 | py_mod_bt2_exc_try_again_type = | |
119 | PyObject_GetAttrString(py_mod_bt2, "TryAgain"); | |
120 | BT_ASSERT(py_mod_bt2_exc_try_again_type); | |
121 | py_mod_bt2_exc_stop_type = | |
122 | PyObject_GetAttrString(py_mod_bt2, "Stop"); | |
123 | BT_ASSERT(py_mod_bt2_exc_stop_type); | |
6fa6bfa1 SM |
124 | py_mod_bt2_exc_invalid_query_object_type = |
125 | PyObject_GetAttrString(py_mod_bt2, "InvalidQueryObject"); | |
126 | BT_ASSERT(py_mod_bt2_exc_invalid_query_object_type); | |
127 | py_mod_bt2_exc_invalid_query_params_type = | |
128 | PyObject_GetAttrString(py_mod_bt2, "InvalidQueryParams"); | |
129 | BT_ASSERT(py_mod_bt2_exc_invalid_query_params_type); | |
130 | } | |
131 | ||
efb177a7 SM |
132 | static |
133 | void bt_py3_cc_exit_handler(void) | |
6fa6bfa1 SM |
134 | { |
135 | /* | |
136 | * This is an exit handler (set by the bt2 package). | |
137 | * | |
138 | * We only give back the references that we took in | |
139 | * bt_py3_cc_init_from_bt2() here. The global variables continue | |
140 | * to exist for the code of this file, but they are now borrowed | |
141 | * references. If this code is executed, it means that somehow | |
142 | * the modules are still loaded, so it should be safe to use | |
143 | * them even without a strong reference. | |
144 | * | |
145 | * We cannot do this in the library's destructor because it | |
146 | * gets executed once Python is already finalized. | |
147 | */ | |
148 | Py_XDECREF(py_mod_bt2); | |
149 | Py_XDECREF(py_mod_bt2_exc_error_type); | |
150 | Py_XDECREF(py_mod_bt2_exc_try_again_type); | |
151 | Py_XDECREF(py_mod_bt2_exc_stop_type); | |
fa4c33e3 | 152 | Py_XDECREF(py_mod_bt2_exc_msg_iter_canceled_type); |
6fa6bfa1 SM |
153 | Py_XDECREF(py_mod_bt2_exc_invalid_query_object_type); |
154 | Py_XDECREF(py_mod_bt2_exc_invalid_query_params_type); | |
155 | } | |
156 | ||
157 | ||
158 | /* Library destructor */ | |
159 | ||
160 | __attribute__((destructor)) | |
efb177a7 SM |
161 | static |
162 | void bt_py3_native_comp_class_dtor(void) { | |
6fa6bfa1 SM |
163 | /* Destroy component class association hash table */ |
164 | if (bt_cc_ptr_to_py_cls) { | |
165 | BT_LOGD_STR("Destroying native component class to Python component class hash table."); | |
166 | g_hash_table_destroy(bt_cc_ptr_to_py_cls); | |
167 | } | |
168 | } | |
169 | ||
6fa6bfa1 SM |
170 | static |
171 | void bt2_py_loge_exception(void) | |
172 | { | |
2d7aa9b6 | 173 | GString *gstr; |
6fa6bfa1 SM |
174 | |
175 | BT_ASSERT(PyErr_Occurred() != NULL); | |
2d7aa9b6 PP |
176 | gstr = bt_py_common_format_exception(BT_LOG_OUTPUT_LEVEL); |
177 | if (!gstr) { | |
178 | /* bt_py_common_format_exception() logs errors */ | |
6fa6bfa1 SM |
179 | goto end; |
180 | } | |
181 | ||
2d7aa9b6 | 182 | BT_LOGE_STR(gstr->str); |
6fa6bfa1 SM |
183 | |
184 | end: | |
2d7aa9b6 PP |
185 | if (gstr) { |
186 | g_string_free(gstr, TRUE); | |
6fa6bfa1 | 187 | } |
6fa6bfa1 SM |
188 | } |
189 | ||
efb177a7 SM |
190 | static |
191 | bt_self_component_status bt_py3_exc_to_self_component_status(void) | |
6fa6bfa1 SM |
192 | { |
193 | bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK; | |
194 | PyObject *exc = PyErr_Occurred(); | |
195 | ||
196 | if (!exc) { | |
197 | goto end; | |
198 | } | |
199 | ||
200 | if (PyErr_GivenExceptionMatches(exc, | |
201 | py_mod_bt2_exc_try_again_type)) { | |
202 | status = BT_SELF_COMPONENT_STATUS_AGAIN; | |
203 | } else if (PyErr_GivenExceptionMatches(exc, | |
204 | py_mod_bt2_exc_stop_type)) { | |
205 | status = BT_SELF_COMPONENT_STATUS_END; | |
6fa6bfa1 SM |
206 | } else { |
207 | bt2_py_loge_exception(); | |
208 | status = BT_SELF_COMPONENT_STATUS_ERROR; | |
209 | } | |
210 | ||
211 | end: | |
212 | PyErr_Clear(); | |
213 | return status; | |
214 | } | |
215 | ||
216 | /* Component class proxy methods (delegate to the attached Python object) */ | |
217 | ||
efb177a7 SM |
218 | static |
219 | bt_self_message_iterator_status bt_py3_exc_to_self_message_iterator_status(void) | |
6fa6bfa1 SM |
220 | { |
221 | enum bt_self_message_iterator_status status = | |
222 | BT_SELF_MESSAGE_ITERATOR_STATUS_OK; | |
223 | PyObject *exc = PyErr_Occurred(); | |
224 | ||
225 | if (!exc) { | |
226 | goto end; | |
227 | } | |
228 | ||
229 | if (PyErr_GivenExceptionMatches(exc, py_mod_bt2_exc_stop_type)) { | |
c348a6fd | 230 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_END; |
6fa6bfa1 | 231 | } else if (PyErr_GivenExceptionMatches(exc, py_mod_bt2_exc_try_again_type)) { |
c348a6fd | 232 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_AGAIN; |
6fa6bfa1 SM |
233 | } else { |
234 | bt2_py_loge_exception(); | |
c348a6fd | 235 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; |
6fa6bfa1 SM |
236 | } |
237 | ||
238 | end: | |
239 | PyErr_Clear(); | |
240 | return status; | |
241 | } | |
242 | ||
efb177a7 SM |
243 | static |
244 | enum bt_query_status bt_py3_exc_to_query_status(void) | |
6fa6bfa1 SM |
245 | { |
246 | enum bt_query_status status = BT_QUERY_STATUS_OK; | |
247 | PyObject *exc = PyErr_Occurred(); | |
248 | ||
249 | if (!exc) { | |
250 | goto end; | |
251 | } | |
252 | ||
253 | if (PyErr_GivenExceptionMatches(exc, | |
254 | py_mod_bt2_exc_invalid_query_object_type)) { | |
255 | status = BT_QUERY_STATUS_INVALID_OBJECT; | |
256 | } else if (PyErr_GivenExceptionMatches(exc, | |
257 | py_mod_bt2_exc_invalid_query_params_type)) { | |
258 | status = BT_QUERY_STATUS_INVALID_PARAMS; | |
259 | } else if (PyErr_GivenExceptionMatches(exc, | |
260 | py_mod_bt2_exc_try_again_type)) { | |
261 | status = BT_QUERY_STATUS_AGAIN; | |
262 | } else { | |
263 | bt2_py_loge_exception(); | |
264 | status = BT_QUERY_STATUS_ERROR; | |
265 | } | |
266 | ||
267 | end: | |
268 | PyErr_Clear(); | |
269 | return status; | |
270 | } | |
271 | ||
efb177a7 SM |
272 | static |
273 | bt_self_component_status bt_py3_component_class_init( | |
6fa6bfa1 SM |
274 | bt_self_component *self_component, |
275 | void *self_component_v, | |
276 | swig_type_info *self_comp_cls_type_swig_type, | |
277 | const bt_value *params, | |
278 | void *init_method_data) | |
279 | { | |
280 | const bt_component *component = bt_self_component_as_component(self_component); | |
281 | const bt_component_class *component_class = bt_component_borrow_class_const(component); | |
282 | bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK; | |
283 | PyObject *py_cls = NULL; | |
284 | PyObject *py_comp = NULL; | |
285 | PyObject *py_params_ptr = NULL; | |
286 | PyObject *py_comp_ptr = NULL; | |
287 | ||
288 | (void) init_method_data; | |
289 | ||
290 | BT_ASSERT(self_component); | |
291 | BT_ASSERT(self_component_v); | |
292 | BT_ASSERT(self_comp_cls_type_swig_type); | |
293 | ||
294 | /* | |
295 | * Get the user-defined Python class which created this | |
296 | * component's class in the first place (borrowed | |
297 | * reference). | |
298 | */ | |
299 | py_cls = lookup_cc_ptr_to_py_cls(component_class); | |
300 | if (!py_cls) { | |
301 | BT_LOGE("Cannot find Python class associated to native component class: " | |
302 | "comp-cls-addr=%p", component_class); | |
303 | goto error; | |
304 | } | |
305 | ||
306 | /* Parameters pointer -> SWIG pointer Python object */ | |
307 | py_params_ptr = SWIG_NewPointerObj(SWIG_as_voidptr(params), | |
308 | SWIGTYPE_p_bt_value, 0); | |
309 | if (!py_params_ptr) { | |
310 | BT_LOGE_STR("Failed to create a SWIG pointer object."); | |
311 | goto error; | |
312 | } | |
313 | ||
314 | py_comp_ptr = SWIG_NewPointerObj(SWIG_as_voidptr(self_component_v), | |
315 | self_comp_cls_type_swig_type, 0); | |
316 | if (!py_comp_ptr) { | |
317 | BT_LOGE_STR("Failed to create a SWIG pointer object."); | |
318 | goto error; | |
319 | } | |
320 | ||
321 | /* | |
322 | * Do the equivalent of this: | |
323 | * | |
324 | * py_comp = py_cls._init_from_native(py_comp_ptr, py_params_ptr) | |
325 | * | |
326 | * _UserComponentType._init_from_native() calls the Python | |
327 | * component object's __init__() function. | |
328 | */ | |
329 | py_comp = PyObject_CallMethod(py_cls, | |
330 | "_init_from_native", "(OO)", py_comp_ptr, py_params_ptr); | |
331 | if (!py_comp) { | |
332 | bt2_py_loge_exception(); | |
333 | BT_LOGE("Failed to call Python class's _init_from_native() method: " | |
334 | "py-cls-addr=%p", py_cls); | |
335 | ||
336 | goto error; | |
337 | } | |
338 | ||
339 | /* | |
340 | * Our user Python component object is now fully created and | |
341 | * initialized by the user. Since we just created it, this | |
342 | * native component is its only (persistent) owner. | |
343 | */ | |
344 | bt_self_component_set_data(self_component, py_comp); | |
345 | py_comp = NULL; | |
346 | goto end; | |
347 | ||
348 | error: | |
349 | status = BT_SELF_COMPONENT_STATUS_ERROR; | |
350 | ||
351 | /* | |
352 | * Clear any exception: we're returning a bad status anyway. If | |
353 | * this call originated from Python (creation from a plugin's | |
354 | * component class, for example), then the user gets an | |
355 | * appropriate creation error. | |
356 | */ | |
357 | PyErr_Clear(); | |
358 | ||
359 | end: | |
360 | Py_XDECREF(py_comp); | |
361 | Py_XDECREF(py_params_ptr); | |
362 | Py_XDECREF(py_comp_ptr); | |
363 | return status; | |
364 | } | |
365 | ||
366 | /* | |
367 | * Method of bt_component_class_source to initialize a bt_self_component_source | |
368 | * of that class. | |
369 | */ | |
370 | ||
efb177a7 SM |
371 | static |
372 | bt_self_component_status bt_py3_component_class_source_init( | |
373 | bt_self_component_source *self_component_source, | |
6fa6bfa1 SM |
374 | const bt_value *params, void *init_method_data) |
375 | { | |
376 | bt_self_component *self_component = bt_self_component_source_as_self_component(self_component_source); | |
377 | return bt_py3_component_class_init( | |
378 | self_component, | |
379 | self_component_source, | |
380 | SWIGTYPE_p_bt_self_component_source, | |
381 | params, init_method_data); | |
382 | } | |
383 | ||
efb177a7 SM |
384 | static |
385 | bt_self_component_status bt_py3_component_class_filter_init( | |
386 | bt_self_component_filter *self_component_filter, | |
6fa6bfa1 SM |
387 | const bt_value *params, void *init_method_data) |
388 | { | |
389 | bt_self_component *self_component = bt_self_component_filter_as_self_component(self_component_filter); | |
390 | return bt_py3_component_class_init( | |
391 | self_component, | |
392 | self_component_filter, | |
393 | SWIGTYPE_p_bt_self_component_filter, | |
394 | params, init_method_data); | |
395 | } | |
396 | ||
efb177a7 SM |
397 | static |
398 | bt_self_component_status bt_py3_component_class_sink_init( | |
399 | bt_self_component_sink *self_component_sink, | |
6fa6bfa1 SM |
400 | const bt_value *params, void *init_method_data) |
401 | { | |
402 | bt_self_component *self_component = bt_self_component_sink_as_self_component(self_component_sink); | |
403 | return bt_py3_component_class_init( | |
404 | self_component, | |
405 | self_component_sink, | |
406 | SWIGTYPE_p_bt_self_component_sink, | |
407 | params, init_method_data); | |
408 | } | |
409 | ||
efb177a7 SM |
410 | static |
411 | void bt_py3_component_class_finalize(bt_self_component *self_component) | |
6fa6bfa1 SM |
412 | { |
413 | PyObject *py_comp = bt_self_component_get_data(self_component); | |
414 | BT_ASSERT(py_comp); | |
415 | ||
416 | /* Call user's _finalize() method */ | |
417 | PyObject *py_method_result = PyObject_CallMethod(py_comp, | |
418 | "_finalize", NULL); | |
419 | ||
420 | if (PyErr_Occurred()) { | |
421 | BT_LOGW("User's _finalize() method raised an exception: ignoring."); | |
422 | } | |
423 | ||
424 | /* | |
425 | * Ignore any exception raised by the _finalize() method because | |
426 | * it won't change anything at this point: the component is | |
427 | * being destroyed anyway. | |
428 | */ | |
429 | PyErr_Clear(); | |
430 | Py_XDECREF(py_method_result); | |
431 | Py_DECREF(py_comp); | |
432 | } | |
433 | ||
efb177a7 SM |
434 | static |
435 | void bt_py3_component_class_source_finalize(bt_self_component_source *self_component_source) | |
6fa6bfa1 SM |
436 | { |
437 | bt_self_component *self_component = bt_self_component_source_as_self_component(self_component_source); | |
438 | bt_py3_component_class_finalize(self_component); | |
439 | } | |
440 | ||
efb177a7 SM |
441 | static |
442 | void bt_py3_component_class_filter_finalize(bt_self_component_filter *self_component_filter) | |
6fa6bfa1 SM |
443 | { |
444 | bt_self_component *self_component = bt_self_component_filter_as_self_component(self_component_filter); | |
445 | bt_py3_component_class_finalize(self_component); | |
446 | } | |
447 | ||
efb177a7 SM |
448 | static |
449 | void bt_py3_component_class_sink_finalize(bt_self_component_sink *self_component_sink) | |
6fa6bfa1 SM |
450 | { |
451 | bt_self_component *self_component = bt_self_component_sink_as_self_component(self_component_sink); | |
452 | bt_py3_component_class_finalize(self_component); | |
453 | } | |
454 | ||
efb177a7 SM |
455 | static |
456 | bt_self_component_status bt_py3_component_class_port_connected( | |
6fa6bfa1 SM |
457 | bt_self_component *self_component, |
458 | void *self_component_port, | |
459 | swig_type_info *self_component_port_swig_type, | |
460 | bt_port_type self_component_port_type, | |
461 | const void *other_port, | |
462 | swig_type_info *other_port_swig_type) | |
463 | { | |
464 | bt_self_component_status status; | |
465 | PyObject *py_comp = NULL; | |
466 | PyObject *py_self_port_ptr = NULL; | |
467 | PyObject *py_other_port_ptr = NULL; | |
468 | PyObject *py_method_result = NULL; | |
469 | ||
470 | py_comp = bt_self_component_get_data(self_component); | |
471 | BT_ASSERT(py_comp); | |
472 | ||
473 | py_self_port_ptr = SWIG_NewPointerObj(SWIG_as_voidptr(self_component_port), | |
474 | self_component_port_swig_type, 0); | |
475 | if (!py_self_port_ptr) { | |
476 | BT_LOGF_STR("Failed to create a SWIG pointer object."); | |
477 | status = BT_SELF_COMPONENT_STATUS_NOMEM; | |
478 | goto end; | |
479 | } | |
480 | ||
481 | py_other_port_ptr = SWIG_NewPointerObj(SWIG_as_voidptr(other_port), | |
482 | other_port_swig_type, 0); | |
483 | if (!py_other_port_ptr) { | |
484 | BT_LOGF_STR("Failed to create a SWIG pointer object."); | |
485 | status = BT_SELF_COMPONENT_STATUS_NOMEM; | |
486 | goto end; } | |
487 | ||
488 | py_method_result = PyObject_CallMethod(py_comp, | |
489 | "_port_connected_from_native", "(OiO)", py_self_port_ptr, | |
490 | self_component_port_type, py_other_port_ptr); | |
491 | ||
492 | BT_ASSERT(!py_method_result || py_method_result == Py_None); | |
493 | ||
494 | status = bt_py3_exc_to_self_component_status(); | |
495 | ||
496 | end: | |
497 | Py_XDECREF(py_self_port_ptr); | |
498 | Py_XDECREF(py_other_port_ptr); | |
499 | Py_XDECREF(py_method_result); | |
500 | ||
501 | return status; | |
502 | } | |
503 | ||
efb177a7 SM |
504 | static |
505 | bt_self_component_status bt_py3_component_class_source_output_port_connected( | |
6fa6bfa1 SM |
506 | bt_self_component_source *self_component_source, |
507 | bt_self_component_port_output *self_component_port_output, | |
508 | const bt_port_input *other_port_input) | |
509 | { | |
510 | bt_self_component *self_component = bt_self_component_source_as_self_component(self_component_source); | |
511 | ||
512 | return bt_py3_component_class_port_connected( | |
513 | self_component, | |
514 | self_component_port_output, | |
515 | SWIGTYPE_p_bt_self_component_port_output, | |
516 | BT_PORT_TYPE_OUTPUT, | |
517 | other_port_input, | |
518 | SWIGTYPE_p_bt_port_input); | |
519 | } | |
520 | ||
efb177a7 SM |
521 | static |
522 | bt_self_component_status bt_py3_component_class_filter_input_port_connected( | |
6fa6bfa1 SM |
523 | bt_self_component_filter *self_component_filter, |
524 | bt_self_component_port_input *self_component_port_input, | |
525 | const bt_port_output *other_port_output) | |
526 | { | |
527 | bt_self_component *self_component = bt_self_component_filter_as_self_component(self_component_filter); | |
528 | ||
529 | return bt_py3_component_class_port_connected( | |
530 | self_component, | |
531 | self_component_port_input, | |
532 | SWIGTYPE_p_bt_self_component_port_input, | |
533 | BT_PORT_TYPE_INPUT, | |
534 | other_port_output, | |
535 | SWIGTYPE_p_bt_port_output); | |
536 | } | |
537 | ||
efb177a7 SM |
538 | static |
539 | bt_self_component_status bt_py3_component_class_filter_output_port_connected( | |
6fa6bfa1 SM |
540 | bt_self_component_filter *self_component_filter, |
541 | bt_self_component_port_output *self_component_port_output, | |
542 | const bt_port_input *other_port_input) | |
543 | { | |
544 | bt_self_component *self_component = bt_self_component_filter_as_self_component(self_component_filter); | |
545 | ||
546 | return bt_py3_component_class_port_connected( | |
547 | self_component, | |
548 | self_component_port_output, | |
549 | SWIGTYPE_p_bt_self_component_port_output, | |
550 | BT_PORT_TYPE_OUTPUT, | |
551 | other_port_input, | |
552 | SWIGTYPE_p_bt_port_input); | |
553 | } | |
554 | ||
efb177a7 SM |
555 | static |
556 | bt_self_component_status bt_py3_component_class_sink_input_port_connected( | |
6fa6bfa1 SM |
557 | bt_self_component_sink *self_component_sink, |
558 | bt_self_component_port_input *self_component_port_input, | |
559 | const bt_port_output *other_port_output) | |
560 | { | |
561 | bt_self_component *self_component = bt_self_component_sink_as_self_component(self_component_sink); | |
562 | ||
563 | return bt_py3_component_class_port_connected( | |
564 | self_component, | |
565 | self_component_port_input, | |
566 | SWIGTYPE_p_bt_self_component_port_input, | |
567 | BT_PORT_TYPE_INPUT, | |
568 | other_port_output, | |
569 | SWIGTYPE_p_bt_port_output); | |
570 | } | |
571 | ||
efb177a7 SM |
572 | static |
573 | bt_self_component_status bt_py3_component_class_sink_graph_is_configured( | |
574 | bt_self_component_sink *self_component_sink) | |
6fa6bfa1 SM |
575 | { |
576 | PyObject *py_comp = NULL; | |
577 | PyObject *py_method_result = NULL; | |
578 | bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK; | |
579 | bt_self_component *self_component = bt_self_component_sink_as_self_component(self_component_sink); | |
580 | ||
581 | py_comp = bt_self_component_get_data(self_component); | |
582 | py_method_result = PyObject_CallMethod(py_comp, | |
583 | "_graph_is_configured_from_native", NULL); | |
584 | ||
585 | BT_ASSERT(!py_method_result || py_method_result == Py_None); | |
586 | ||
587 | status = bt_py3_exc_to_self_component_status(); | |
588 | ||
589 | Py_XDECREF(py_method_result); | |
590 | ||
591 | return status; | |
592 | } | |
593 | ||
efb177a7 SM |
594 | static |
595 | bt_query_status bt_py3_component_class_query( | |
6fa6bfa1 SM |
596 | const bt_component_class *component_class, |
597 | const bt_query_executor *query_executor, | |
598 | const char *object, const bt_value *params, | |
83da519a | 599 | bt_logging_level log_level, |
6fa6bfa1 SM |
600 | const bt_value **result) |
601 | { | |
602 | PyObject *py_cls = NULL; | |
603 | PyObject *py_params_ptr = NULL; | |
604 | PyObject *py_query_exec_ptr = NULL; | |
605 | PyObject *py_query_func = NULL; | |
606 | PyObject *py_object = NULL; | |
607 | PyObject *py_results_addr = NULL; | |
608 | bt_query_status status = BT_QUERY_STATUS_OK; | |
609 | ||
610 | py_cls = lookup_cc_ptr_to_py_cls(component_class); | |
611 | if (!py_cls) { | |
612 | BT_LOGE("Cannot find Python class associated to native component class: " | |
613 | "comp-cls-addr=%p", component_class); | |
614 | goto error; | |
615 | } | |
616 | ||
617 | py_params_ptr = SWIG_NewPointerObj(SWIG_as_voidptr(params), | |
618 | SWIGTYPE_p_bt_value, 0); | |
619 | if (!py_params_ptr) { | |
620 | BT_LOGE_STR("Failed to create a SWIG pointer object."); | |
621 | goto error; | |
622 | } | |
623 | ||
624 | py_query_exec_ptr = SWIG_NewPointerObj(SWIG_as_voidptr(query_executor), | |
625 | SWIGTYPE_p_bt_query_executor, 0); | |
626 | if (!py_query_exec_ptr) { | |
627 | BT_LOGE_STR("Failed to create a SWIG pointer object."); | |
628 | goto error; | |
629 | } | |
630 | ||
631 | py_object = SWIG_FromCharPtr(object); | |
632 | if (!py_object) { | |
633 | BT_LOGE_STR("Failed to create a Python string."); | |
634 | goto error; | |
635 | } | |
636 | ||
637 | py_results_addr = PyObject_CallMethod(py_cls, | |
83da519a PP |
638 | "_query_from_native", "(OOOi)", py_query_exec_ptr, |
639 | py_object, py_params_ptr, (int) log_level); | |
6fa6bfa1 SM |
640 | |
641 | if (!py_results_addr) { | |
642 | BT_LOGE("Failed to call Python class's _query_from_native() method: " | |
643 | "py-cls-addr=%p", py_cls); | |
644 | status = bt_py3_exc_to_query_status(); | |
645 | goto end; | |
646 | } | |
647 | ||
648 | /* | |
649 | * The returned object, on success, is an integer object | |
650 | * (PyLong) containing the address of a BT value object (new | |
651 | * reference). | |
652 | */ | |
c240a5d8 | 653 | *result = PyLong_AsVoidPtr(py_results_addr); |
6fa6bfa1 SM |
654 | BT_ASSERT(!PyErr_Occurred()); |
655 | BT_ASSERT(*result); | |
656 | goto end; | |
657 | ||
658 | error: | |
659 | PyErr_Clear(); | |
660 | status = BT_QUERY_STATUS_ERROR; | |
661 | ||
662 | end: | |
663 | Py_XDECREF(py_params_ptr); | |
664 | Py_XDECREF(py_query_exec_ptr); | |
665 | Py_XDECREF(py_query_func); | |
666 | Py_XDECREF(py_object); | |
667 | Py_XDECREF(py_results_addr); | |
668 | return status; | |
669 | } | |
670 | ||
efb177a7 SM |
671 | static |
672 | bt_query_status bt_py3_component_class_source_query( | |
6fa6bfa1 SM |
673 | bt_self_component_class_source *self_component_class_source, |
674 | const bt_query_executor *query_executor, | |
675 | const char *object, const bt_value *params, | |
83da519a | 676 | bt_logging_level log_level, |
6fa6bfa1 SM |
677 | const bt_value **result) |
678 | { | |
679 | const bt_component_class_source *component_class_source = bt_self_component_class_source_as_component_class_source(self_component_class_source); | |
680 | const bt_component_class *component_class = bt_component_class_source_as_component_class_const(component_class_source); | |
83da519a | 681 | return bt_py3_component_class_query(component_class, query_executor, object, params, log_level, result); |
6fa6bfa1 SM |
682 | } |
683 | ||
efb177a7 SM |
684 | static |
685 | bt_query_status bt_py3_component_class_filter_query( | |
6fa6bfa1 SM |
686 | bt_self_component_class_filter *self_component_class_filter, |
687 | const bt_query_executor *query_executor, | |
688 | const char *object, const bt_value *params, | |
83da519a | 689 | bt_logging_level log_level, |
6fa6bfa1 SM |
690 | const bt_value **result) |
691 | { | |
692 | const bt_component_class_filter *component_class_filter = bt_self_component_class_filter_as_component_class_filter(self_component_class_filter); | |
693 | const bt_component_class *component_class = bt_component_class_filter_as_component_class_const(component_class_filter); | |
83da519a | 694 | return bt_py3_component_class_query(component_class, query_executor, object, params, log_level, result); |
6fa6bfa1 SM |
695 | } |
696 | ||
efb177a7 SM |
697 | static |
698 | bt_query_status bt_py3_component_class_sink_query( | |
6fa6bfa1 SM |
699 | bt_self_component_class_sink *self_component_class_sink, |
700 | const bt_query_executor *query_executor, | |
701 | const char *object, const bt_value *params, | |
83da519a | 702 | bt_logging_level log_level, |
6fa6bfa1 SM |
703 | const bt_value **result) |
704 | { | |
705 | const bt_component_class_sink *component_class_sink = bt_self_component_class_sink_as_component_class_sink(self_component_class_sink); | |
706 | const bt_component_class *component_class = bt_component_class_sink_as_component_class_const(component_class_sink); | |
83da519a | 707 | return bt_py3_component_class_query(component_class, query_executor, object, params, log_level, result); |
6fa6bfa1 SM |
708 | } |
709 | ||
efb177a7 SM |
710 | static |
711 | bt_self_message_iterator_status bt_py3_component_class_message_iterator_init( | |
6fa6bfa1 SM |
712 | bt_self_message_iterator *self_message_iterator, |
713 | bt_self_component *self_component, | |
714 | bt_self_component_port_output *self_component_port_output) | |
715 | { | |
c348a6fd | 716 | bt_self_message_iterator_status status = BT_SELF_MESSAGE_ITERATOR_STATUS_OK; |
6fa6bfa1 SM |
717 | PyObject *py_comp_cls = NULL; |
718 | PyObject *py_iter_cls = NULL; | |
719 | PyObject *py_iter_ptr = NULL; | |
a4dcfa96 | 720 | PyObject *py_component_port_output_ptr = NULL; |
6fa6bfa1 SM |
721 | PyObject *py_init_method_result = NULL; |
722 | PyObject *py_iter = NULL; | |
723 | PyObject *py_comp; | |
724 | ||
725 | py_comp = bt_self_component_get_data(self_component); | |
726 | ||
fa4c33e3 | 727 | /* Find user's Python message iterator class */ |
6fa6bfa1 SM |
728 | py_comp_cls = PyObject_GetAttrString(py_comp, "__class__"); |
729 | if (!py_comp_cls) { | |
730 | BT_LOGE_STR("Cannot get Python object's `__class__` attribute."); | |
731 | goto error; | |
732 | } | |
733 | ||
734 | py_iter_cls = PyObject_GetAttrString(py_comp_cls, "_iter_cls"); | |
735 | if (!py_iter_cls) { | |
736 | BT_LOGE_STR("Cannot get Python class's `_iter_cls` attribute."); | |
737 | goto error; | |
738 | } | |
739 | ||
740 | py_iter_ptr = SWIG_NewPointerObj(SWIG_as_voidptr(self_message_iterator), | |
741 | SWIGTYPE_p_bt_self_message_iterator, 0); | |
742 | if (!py_iter_ptr) { | |
743 | BT_LOGE_STR("Failed to create a SWIG pointer object."); | |
744 | goto error; | |
745 | } | |
746 | ||
747 | /* | |
fa4c33e3 | 748 | * Create object with borrowed native message iterator |
6fa6bfa1 SM |
749 | * reference: |
750 | * | |
751 | * py_iter = py_iter_cls.__new__(py_iter_cls, py_iter_ptr) | |
752 | */ | |
753 | py_iter = PyObject_CallMethod(py_iter_cls, "__new__", | |
754 | "(OO)", py_iter_cls, py_iter_ptr); | |
755 | if (!py_iter) { | |
756 | BT_LOGE("Failed to call Python class's __new__() method: " | |
757 | "py-cls-addr=%p", py_iter_cls); | |
758 | bt2_py_loge_exception(); | |
759 | goto error; | |
760 | } | |
761 | ||
762 | /* | |
763 | * Initialize object: | |
764 | * | |
a4dcfa96 SM |
765 | * py_iter.__init__(self_output_port) |
766 | * | |
767 | * through the _init_for_native helper static method. | |
6fa6bfa1 SM |
768 | * |
769 | * At this point, py_iter._ptr is set, so this initialization | |
770 | * function has access to self._component (which gives it the | |
771 | * user Python component object from which the iterator was | |
772 | * created). | |
773 | */ | |
a4dcfa96 SM |
774 | py_component_port_output_ptr = SWIG_NewPointerObj(SWIG_as_voidptr(self_component_port_output), |
775 | SWIGTYPE_p_bt_self_component_port_output, 0); | |
776 | if (!py_component_port_output_ptr) { | |
777 | BT_LOGE_STR("Failed to create a SWIG pointer object."); | |
778 | goto error; | |
779 | } | |
780 | ||
781 | py_init_method_result = PyObject_CallMethod(py_iter, "_init_from_native", "O", py_component_port_output_ptr); | |
6fa6bfa1 SM |
782 | if (!py_init_method_result) { |
783 | BT_LOGE_STR("User's __init__() method failed."); | |
784 | bt2_py_loge_exception(); | |
785 | goto error; | |
786 | } | |
787 | ||
788 | /* | |
789 | * Since the Python code can never instantiate a user-defined | |
fa4c33e3 SM |
790 | * message iterator class, the native message iterator |
791 | * object does NOT belong to a user Python message iterator | |
6fa6bfa1 | 792 | * object (borrowed reference). However this Python object is |
fa4c33e3 | 793 | * owned by this native message iterator object. |
6fa6bfa1 | 794 | * |
fa4c33e3 SM |
795 | * In the Python world, the lifetime of the native message |
796 | * iterator is managed by a _GenericMessageIterator | |
6fa6bfa1 SM |
797 | * instance: |
798 | * | |
fa4c33e3 SM |
799 | * _GenericMessageIterator instance: |
800 | * owns a native bt_message_iterator object (iter) | |
6fa6bfa1 SM |
801 | * owns a _UserMessageIterator instance (py_iter) |
802 | * self._ptr is a borrowed reference to the | |
fa4c33e3 | 803 | * native bt_private_connection_private_message_iterator |
6fa6bfa1 SM |
804 | * object (iter) |
805 | */ | |
806 | bt_self_message_iterator_set_data(self_message_iterator, py_iter); | |
807 | py_iter = NULL; | |
808 | goto end; | |
809 | ||
810 | error: | |
811 | status = bt_py3_exc_to_self_message_iterator_status(); | |
812 | if (status == BT_SELF_MESSAGE_ITERATOR_STATUS_OK) { | |
813 | /* | |
814 | * Looks like there wasn't any exception from the Python | |
815 | * side, but we're still in an error state here. | |
816 | */ | |
817 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; | |
818 | } | |
819 | ||
820 | /* | |
821 | * Clear any exception: we're returning a bad status anyway. If | |
822 | * this call originated from Python, then the user gets an | |
823 | * appropriate creation error. | |
824 | */ | |
825 | PyErr_Clear(); | |
826 | ||
827 | end: | |
828 | Py_XDECREF(py_comp_cls); | |
829 | Py_XDECREF(py_iter_cls); | |
830 | Py_XDECREF(py_iter_ptr); | |
a4dcfa96 | 831 | Py_XDECREF(py_component_port_output_ptr); |
6fa6bfa1 SM |
832 | Py_XDECREF(py_init_method_result); |
833 | Py_XDECREF(py_iter); | |
834 | return status; | |
835 | } | |
836 | ||
efb177a7 SM |
837 | static |
838 | bt_self_message_iterator_status bt_py3_component_class_source_message_iterator_init( | |
6fa6bfa1 SM |
839 | bt_self_message_iterator *self_message_iterator, |
840 | bt_self_component_source *self_component_source, | |
841 | bt_self_component_port_output *self_component_port_output) | |
842 | { | |
843 | bt_self_component *self_component = bt_self_component_source_as_self_component(self_component_source); | |
844 | return bt_py3_component_class_message_iterator_init(self_message_iterator, self_component, self_component_port_output); | |
845 | } | |
846 | ||
efb177a7 SM |
847 | static |
848 | bt_self_message_iterator_status bt_py3_component_class_filter_message_iterator_init( | |
6fa6bfa1 SM |
849 | bt_self_message_iterator *self_message_iterator, |
850 | bt_self_component_filter *self_component_filter, | |
851 | bt_self_component_port_output *self_component_port_output) | |
852 | { | |
853 | bt_self_component *self_component = bt_self_component_filter_as_self_component(self_component_filter); | |
854 | return bt_py3_component_class_message_iterator_init(self_message_iterator, self_component, self_component_port_output); | |
855 | } | |
856 | ||
efb177a7 SM |
857 | static |
858 | void bt_py3_component_class_message_iterator_finalize( | |
6fa6bfa1 SM |
859 | bt_self_message_iterator *message_iterator) |
860 | { | |
861 | PyObject *py_message_iter = bt_self_message_iterator_get_data(message_iterator); | |
862 | PyObject *py_method_result = NULL; | |
863 | ||
864 | BT_ASSERT(py_message_iter); | |
865 | ||
866 | /* Call user's _finalize() method */ | |
867 | py_method_result = PyObject_CallMethod(py_message_iter, | |
868 | "_finalize", NULL); | |
869 | ||
870 | if (PyErr_Occurred()) { | |
871 | BT_LOGW("User's _finalize() method raised an exception: ignoring."); | |
872 | } | |
873 | ||
874 | /* | |
875 | * Ignore any exception raised by the _finalize() method because | |
876 | * it won't change anything at this point: the component is | |
877 | * being destroyed anyway. | |
878 | */ | |
879 | PyErr_Clear(); | |
880 | Py_XDECREF(py_method_result); | |
881 | Py_DECREF(py_message_iter); | |
882 | } | |
883 | ||
884 | /* Valid for both sources and filters. */ | |
885 | ||
efb177a7 SM |
886 | static |
887 | bt_self_message_iterator_status bt_py3_component_class_message_iterator_next( | |
888 | bt_self_message_iterator *message_iterator, | |
889 | bt_message_array_const msgs, uint64_t capacity, | |
890 | uint64_t *count) | |
6fa6bfa1 | 891 | { |
c348a6fd | 892 | bt_self_message_iterator_status status = BT_SELF_MESSAGE_ITERATOR_STATUS_OK; |
6fa6bfa1 SM |
893 | PyObject *py_message_iter = bt_self_message_iterator_get_data(message_iterator); |
894 | PyObject *py_method_result = NULL; | |
895 | ||
896 | BT_ASSERT(py_message_iter); | |
897 | py_method_result = PyObject_CallMethod(py_message_iter, | |
898 | "_next_from_native", NULL); | |
899 | if (!py_method_result) { | |
900 | status = bt_py3_exc_to_self_message_iterator_status(); | |
901 | BT_ASSERT(status != BT_SELF_MESSAGE_ITERATOR_STATUS_OK); | |
902 | goto end; | |
903 | } | |
904 | ||
905 | /* | |
906 | * The returned object, on success, is an integer object | |
fa4c33e3 | 907 | * (PyLong) containing the address of a native message |
6fa6bfa1 SM |
908 | * object (which is now ours). |
909 | */ | |
c240a5d8 | 910 | msgs[0] = PyLong_AsVoidPtr(py_method_result); |
6fa6bfa1 SM |
911 | *count = 1; |
912 | ||
913 | /* Clear potential overflow error; should never happen */ | |
914 | BT_ASSERT(!PyErr_Occurred()); | |
915 | goto end; | |
916 | ||
917 | end: | |
918 | Py_XDECREF(py_method_result); | |
919 | return status; | |
920 | } | |
921 | ||
efb177a7 SM |
922 | static |
923 | bt_self_component_status bt_py3_component_class_sink_consume( | |
924 | bt_self_component_sink *self_component_sink) | |
6fa6bfa1 SM |
925 | { |
926 | bt_self_component *self_component = bt_self_component_sink_as_self_component(self_component_sink); | |
927 | PyObject *py_comp = bt_self_component_get_data(self_component); | |
928 | PyObject *py_method_result = NULL; | |
929 | bt_self_component_status status; | |
930 | ||
931 | BT_ASSERT(py_comp); | |
932 | py_method_result = PyObject_CallMethod(py_comp, | |
933 | "_consume", NULL); | |
934 | ||
935 | status = bt_py3_exc_to_self_component_status(); | |
936 | if (!py_method_result && status == BT_SELF_COMPONENT_STATUS_OK) { | |
937 | /* Pretty sure this should never happen, but just in case */ | |
938 | BT_LOGE("User's _consume() method failed without raising an exception: " | |
939 | "status=%d", status); | |
940 | status = BT_SELF_COMPONENT_STATUS_ERROR; | |
941 | } | |
942 | ||
943 | Py_XDECREF(py_method_result); | |
944 | return status; | |
945 | } | |
946 | ||
947 | static | |
948 | int bt_py3_component_class_set_help_and_desc( | |
949 | bt_component_class *component_class, | |
950 | const char *description, const char *help) | |
951 | { | |
952 | int ret; | |
953 | ||
954 | if (description) { | |
955 | ret = bt_component_class_set_description(component_class, description); | |
956 | if (ret) { | |
957 | BT_LOGE("Cannot set component class's description: " | |
958 | "comp-cls-addr=%p", component_class); | |
959 | goto end; | |
960 | } | |
961 | } | |
962 | ||
963 | if (help) { | |
964 | ret = bt_component_class_set_help(component_class, help); | |
965 | if (ret) { | |
966 | BT_LOGE("Cannot set component class's help text: " | |
967 | "comp-cls-addr=%p", component_class); | |
968 | goto end; | |
969 | } | |
970 | } | |
971 | ||
972 | ret = 0; | |
973 | ||
974 | end: | |
975 | return ret; | |
976 | } | |
977 | ||
978 | static | |
979 | bt_component_class_source *bt_py3_component_class_source_create( | |
980 | PyObject *py_cls, const char *name, const char *description, | |
981 | const char *help) | |
982 | { | |
983 | bt_component_class_source *component_class_source; | |
984 | bt_component_class *component_class; | |
985 | int ret; | |
986 | ||
987 | BT_ASSERT(py_cls); | |
988 | ||
989 | component_class_source = bt_component_class_source_create(name, | |
990 | bt_py3_component_class_message_iterator_next); | |
991 | if (!component_class_source) { | |
992 | BT_LOGE_STR("Cannot create source component class."); | |
993 | goto end; | |
994 | } | |
995 | ||
996 | component_class = bt_component_class_source_as_component_class(component_class_source); | |
997 | ||
998 | if (bt_py3_component_class_set_help_and_desc(component_class, description, help)) { | |
999 | goto end; | |
1000 | } | |
1001 | ||
1002 | ret = bt_component_class_source_set_init_method(component_class_source, bt_py3_component_class_source_init); | |
1003 | BT_ASSERT(ret == 0); | |
1004 | ret = bt_component_class_source_set_finalize_method (component_class_source, bt_py3_component_class_source_finalize); | |
1005 | BT_ASSERT(ret == 0); | |
6fa6bfa1 SM |
1006 | ret = bt_component_class_source_set_output_port_connected_method(component_class_source, |
1007 | bt_py3_component_class_source_output_port_connected); | |
1008 | BT_ASSERT(ret == 0); | |
1009 | ret = bt_component_class_source_set_query_method(component_class_source, bt_py3_component_class_source_query); | |
1010 | BT_ASSERT(ret == 0); | |
1011 | ret = bt_component_class_source_set_message_iterator_init_method( | |
1012 | component_class_source, bt_py3_component_class_source_message_iterator_init); | |
1013 | BT_ASSERT(ret == 0); | |
1014 | ret = bt_component_class_source_set_message_iterator_finalize_method( | |
1015 | component_class_source, bt_py3_component_class_message_iterator_finalize); | |
1016 | BT_ASSERT(ret == 0); | |
1017 | ||
1018 | register_cc_ptr_to_py_cls(component_class, py_cls); | |
1019 | ||
1020 | end: | |
1021 | return component_class_source; | |
1022 | } | |
1023 | ||
1024 | static | |
1025 | bt_component_class_filter *bt_py3_component_class_filter_create( | |
1026 | PyObject *py_cls, const char *name, const char *description, | |
1027 | const char *help) | |
1028 | { | |
1029 | bt_component_class *component_class; | |
1030 | bt_component_class_filter *component_class_filter; | |
1031 | int ret; | |
1032 | ||
1033 | BT_ASSERT(py_cls); | |
1034 | ||
1035 | component_class_filter = bt_component_class_filter_create(name, | |
1036 | bt_py3_component_class_message_iterator_next); | |
1037 | if (!component_class_filter) { | |
1038 | BT_LOGE_STR("Cannot create filter component class."); | |
1039 | goto end; | |
1040 | } | |
1041 | ||
1042 | component_class = bt_component_class_filter_as_component_class(component_class_filter); | |
1043 | ||
1044 | if (bt_py3_component_class_set_help_and_desc(component_class, description, help)) { | |
1045 | goto end; | |
1046 | } | |
1047 | ||
1048 | ret = bt_component_class_filter_set_init_method(component_class_filter, bt_py3_component_class_filter_init); | |
1049 | BT_ASSERT(ret == 0); | |
1050 | ret = bt_component_class_filter_set_finalize_method (component_class_filter, bt_py3_component_class_filter_finalize); | |
1051 | BT_ASSERT(ret == 0); | |
6fa6bfa1 SM |
1052 | ret = bt_component_class_filter_set_input_port_connected_method(component_class_filter, |
1053 | bt_py3_component_class_filter_input_port_connected); | |
1054 | BT_ASSERT(ret == 0); | |
1055 | ret = bt_component_class_filter_set_output_port_connected_method(component_class_filter, | |
1056 | bt_py3_component_class_filter_output_port_connected); | |
1057 | BT_ASSERT(ret == 0); | |
1058 | ret = bt_component_class_filter_set_query_method(component_class_filter, bt_py3_component_class_filter_query); | |
1059 | BT_ASSERT(ret == 0); | |
1060 | ret = bt_component_class_filter_set_message_iterator_init_method( | |
1061 | component_class_filter, bt_py3_component_class_filter_message_iterator_init); | |
1062 | BT_ASSERT(ret == 0); | |
1063 | ret = bt_component_class_filter_set_message_iterator_finalize_method( | |
1064 | component_class_filter, bt_py3_component_class_message_iterator_finalize); | |
1065 | BT_ASSERT(ret == 0); | |
1066 | ||
1067 | register_cc_ptr_to_py_cls(component_class, py_cls); | |
1068 | ||
1069 | end: | |
1070 | return component_class_filter; | |
1071 | } | |
1072 | ||
1073 | static | |
1074 | bt_component_class_sink *bt_py3_component_class_sink_create( | |
1075 | PyObject *py_cls, const char *name, const char *description, | |
1076 | const char *help) | |
1077 | { | |
1078 | bt_component_class_sink *component_class_sink; | |
1079 | bt_component_class *component_class; | |
1080 | int ret; | |
1081 | ||
1082 | BT_ASSERT(py_cls); | |
1083 | ||
1084 | component_class_sink = bt_component_class_sink_create(name, bt_py3_component_class_sink_consume); | |
1085 | ||
1086 | if (!component_class_sink) { | |
1087 | BT_LOGE_STR("Cannot create sink component class."); | |
1088 | goto end; | |
1089 | } | |
1090 | ||
1091 | component_class = bt_component_class_sink_as_component_class(component_class_sink); | |
1092 | ||
1093 | if (bt_py3_component_class_set_help_and_desc(component_class, description, help)) { | |
1094 | goto end; | |
1095 | } | |
1096 | ||
1097 | ret = bt_component_class_sink_set_init_method(component_class_sink, bt_py3_component_class_sink_init); | |
1098 | BT_ASSERT(ret == 0); | |
1099 | ret = bt_component_class_sink_set_finalize_method(component_class_sink, bt_py3_component_class_sink_finalize); | |
1100 | BT_ASSERT(ret == 0); | |
6fa6bfa1 SM |
1101 | ret = bt_component_class_sink_set_input_port_connected_method(component_class_sink, |
1102 | bt_py3_component_class_sink_input_port_connected); | |
1103 | BT_ASSERT(ret == 0); | |
1104 | ret = bt_component_class_sink_set_graph_is_configured_method(component_class_sink, | |
1105 | bt_py3_component_class_sink_graph_is_configured); | |
1106 | BT_ASSERT(ret == 0); | |
1107 | ret = bt_component_class_sink_set_query_method(component_class_sink, bt_py3_component_class_sink_query); | |
1108 | BT_ASSERT(ret == 0); | |
1109 | ||
1110 | register_cc_ptr_to_py_cls(component_class, py_cls); | |
1111 | ||
1112 | end: | |
1113 | return component_class_sink; | |
1114 | } | |
1115 | %} | |
1116 | ||
1117 | struct bt_component_class_source *bt_py3_component_class_source_create( | |
1118 | PyObject *py_cls, const char *name, const char *description, | |
1119 | const char *help); | |
1120 | struct bt_component_class_filter *bt_py3_component_class_filter_create( | |
1121 | PyObject *py_cls, const char *name, const char *description, | |
1122 | const char *help); | |
1123 | struct bt_component_class_sink *bt_py3_component_class_sink_create( | |
1124 | PyObject *py_cls, const char *name, const char *description, | |
1125 | const char *help); | |
1126 | void bt_py3_cc_init_from_bt2(void); | |
1127 | void bt_py3_cc_exit_handler(void); |