Commit | Line | Data |
---|---|---|
6945df9a 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 | ||
25 | /* From component-class-const.h */ | |
26 | ||
27 | typedef enum bt_component_class_status { | |
28 | BT_COMPONENT_CLASS_STATUS_OK = 0, | |
29 | BT_COMPONENT_CLASS_STATUS_NOMEM = -12, | |
30 | } bt_component_class_status; | |
31 | ||
32 | typedef enum bt_component_class_type { | |
33 | BT_COMPONENT_CLASS_TYPE_SOURCE = 0, | |
34 | BT_COMPONENT_CLASS_TYPE_FILTER = 1, | |
35 | BT_COMPONENT_CLASS_TYPE_SINK = 2, | |
36 | } bt_component_class_type; | |
37 | ||
38 | extern const char *bt_component_class_get_name( | |
39 | const bt_component_class *component_class); | |
40 | ||
41 | extern const char *bt_component_class_get_description( | |
42 | const bt_component_class *component_class); | |
43 | ||
44 | extern const char *bt_component_class_get_help( | |
45 | const bt_component_class *component_class); | |
46 | ||
47 | extern bt_component_class_type bt_component_class_get_type( | |
48 | const bt_component_class *component_class); | |
49 | ||
50 | bt_bool bt_component_class_is_source( | |
51 | const bt_component_class *component_class); | |
52 | ||
53 | bt_bool bt_component_class_is_filter( | |
54 | const bt_component_class *component_class); | |
55 | ||
56 | bt_bool bt_component_class_is_sink( | |
57 | const bt_component_class *component_class); | |
58 | ||
59 | extern void bt_component_class_get_ref( | |
60 | const bt_component_class *component_class); | |
61 | ||
62 | extern void bt_component_class_put_ref( | |
63 | const bt_component_class *component_class); | |
64 | ||
65 | /* From component-class-source-const.h */ | |
66 | ||
67 | const bt_component_class * | |
68 | bt_component_class_source_as_component_class_const( | |
69 | const bt_component_class_source *comp_cls_source); | |
70 | ||
71 | extern void bt_component_class_source_get_ref( | |
72 | const bt_component_class_source *component_class_source); | |
73 | ||
74 | extern void bt_component_class_source_put_ref( | |
75 | const bt_component_class_source *component_class_source); | |
76 | ||
77 | /* From component-class-source.h */ | |
78 | ||
79 | typedef bt_self_component_status | |
80 | (*bt_component_class_source_init_method)( | |
81 | bt_self_component_source *self_component, | |
82 | const bt_value *params, void *init_method_data); | |
83 | ||
84 | typedef void (*bt_component_class_source_finalize_method)( | |
85 | bt_self_component_source *self_component); | |
86 | ||
87 | typedef bt_self_message_iterator_status | |
88 | (*bt_component_class_source_message_iterator_init_method)( | |
89 | bt_self_message_iterator *message_iterator, | |
90 | bt_self_component_source *self_component, | |
91 | bt_self_component_port_output *port); | |
92 | ||
93 | typedef void | |
94 | (*bt_component_class_source_message_iterator_finalize_method)( | |
95 | bt_self_message_iterator *message_iterator); | |
96 | ||
97 | typedef bt_self_message_iterator_status | |
98 | (*bt_component_class_source_message_iterator_next_method)( | |
99 | bt_self_message_iterator *message_iterator, | |
100 | bt_message_array_const msgs, uint64_t capacity, | |
101 | uint64_t *count); | |
102 | ||
103 | typedef bt_self_message_iterator_status | |
104 | (*bt_component_class_source_message_iterator_seek_ns_from_origin_method)( | |
105 | bt_self_message_iterator *message_iterator, | |
106 | int64_t ns_from_origin); | |
107 | ||
108 | typedef bt_self_message_iterator_status | |
109 | (*bt_component_class_source_message_iterator_seek_beginning_method)( | |
110 | bt_self_message_iterator *message_iterator); | |
111 | ||
112 | typedef bt_bool | |
113 | (*bt_component_class_source_message_iterator_can_seek_ns_from_origin_method)( | |
114 | bt_self_message_iterator *message_iterator, | |
115 | int64_t ns_from_origin); | |
116 | ||
117 | typedef bt_bool | |
118 | (*bt_component_class_source_message_iterator_can_seek_beginning_method)( | |
119 | bt_self_message_iterator *message_iterator); | |
120 | ||
121 | typedef bt_query_status (*bt_component_class_source_query_method)( | |
122 | bt_self_component_class_source *comp_class, | |
123 | const bt_query_executor *query_executor, | |
124 | const char *object, const bt_value *params, | |
f4e38e70 | 125 | bt_logging_level log_level, |
6945df9a SM |
126 | const bt_value **result); |
127 | ||
128 | typedef bt_self_component_status | |
129 | (*bt_component_class_source_accept_output_port_connection_method)( | |
130 | bt_self_component_source *self_component, | |
131 | bt_self_component_port_output *self_port, | |
132 | const bt_port_input *other_port); | |
133 | ||
134 | typedef bt_self_component_status | |
135 | (*bt_component_class_source_output_port_connected_method)( | |
136 | bt_self_component_source *self_component, | |
137 | bt_self_component_port_output *self_port, | |
138 | const bt_port_input *other_port); | |
139 | ||
140 | bt_component_class *bt_component_class_source_as_component_class( | |
141 | bt_component_class_source *comp_cls_source); | |
142 | ||
143 | extern | |
144 | bt_component_class_source *bt_component_class_source_create( | |
145 | const char *name, | |
146 | bt_component_class_source_message_iterator_next_method method); | |
147 | ||
148 | extern bt_component_class_status | |
149 | bt_component_class_source_set_init_method( | |
150 | bt_component_class_source *comp_class, | |
151 | bt_component_class_source_init_method method); | |
152 | ||
153 | extern bt_component_class_status | |
154 | bt_component_class_source_set_finalize_method( | |
155 | bt_component_class_source *comp_class, | |
156 | bt_component_class_source_finalize_method method); | |
157 | ||
158 | extern bt_component_class_status | |
159 | bt_component_class_source_set_accept_output_port_connection_method( | |
160 | bt_component_class_source *comp_class, | |
161 | bt_component_class_source_accept_output_port_connection_method method); | |
162 | ||
163 | extern bt_component_class_status | |
164 | bt_component_class_source_set_output_port_connected_method( | |
165 | bt_component_class_source *comp_class, | |
166 | bt_component_class_source_output_port_connected_method method); | |
167 | ||
168 | extern bt_component_class_status | |
169 | bt_component_class_source_set_query_method( | |
170 | bt_component_class_source *comp_class, | |
171 | bt_component_class_source_query_method method); | |
172 | ||
173 | extern bt_component_class_status | |
174 | bt_component_class_source_set_message_iterator_init_method( | |
175 | bt_component_class_source *comp_class, | |
176 | bt_component_class_source_message_iterator_init_method method); | |
177 | ||
178 | extern bt_component_class_status | |
179 | bt_component_class_source_set_message_iterator_finalize_method( | |
180 | bt_component_class_source *comp_class, | |
181 | bt_component_class_source_message_iterator_finalize_method method); | |
182 | ||
183 | extern bt_component_class_status | |
184 | bt_component_class_source_set_message_iterator_seek_ns_from_origin_method( | |
185 | bt_component_class_source *comp_class, | |
186 | bt_component_class_source_message_iterator_seek_ns_from_origin_method method); | |
187 | ||
188 | extern bt_component_class_status | |
189 | bt_component_class_source_set_message_iterator_seek_beginning_method( | |
190 | bt_component_class_source *comp_class, | |
191 | bt_component_class_source_message_iterator_seek_beginning_method method); | |
192 | ||
193 | extern bt_bool | |
194 | bt_component_class_source_set_message_iterator_can_seek_ns_from_origin_method( | |
195 | bt_component_class_source *comp_class, | |
196 | bt_component_class_source_message_iterator_can_seek_ns_from_origin_method method); | |
197 | ||
198 | extern bt_bool | |
199 | bt_component_class_source_set_message_iterator_can_seek_beginning_method( | |
200 | bt_component_class_source *comp_class, | |
201 | bt_component_class_source_message_iterator_can_seek_beginning_method method); | |
202 | ||
203 | /* From component-class-filter-const.h */ | |
204 | ||
205 | const bt_component_class * | |
206 | bt_component_class_filter_as_component_class_const( | |
207 | const bt_component_class_filter *comp_cls_filter); | |
208 | ||
209 | extern void bt_component_class_filter_get_ref( | |
210 | const bt_component_class_filter *component_class_filter); | |
211 | ||
212 | extern void bt_component_class_filter_put_ref( | |
213 | const bt_component_class_filter *component_class_filter); | |
214 | ||
215 | /* From component-class-filter.h */ | |
216 | ||
217 | typedef bt_self_component_status | |
218 | (*bt_component_class_filter_init_method)( | |
219 | bt_self_component_filter *self_component, | |
220 | const bt_value *params, void *init_method_data); | |
221 | ||
222 | typedef void (*bt_component_class_filter_finalize_method)( | |
223 | bt_self_component_filter *self_component); | |
224 | ||
225 | typedef bt_self_message_iterator_status | |
226 | (*bt_component_class_filter_message_iterator_init_method)( | |
227 | bt_self_message_iterator *message_iterator, | |
228 | bt_self_component_filter *self_component, | |
229 | bt_self_component_port_output *port); | |
230 | ||
231 | typedef void | |
232 | (*bt_component_class_filter_message_iterator_finalize_method)( | |
233 | bt_self_message_iterator *message_iterator); | |
234 | ||
235 | typedef bt_self_message_iterator_status | |
236 | (*bt_component_class_filter_message_iterator_next_method)( | |
237 | bt_self_message_iterator *message_iterator, | |
238 | bt_message_array_const msgs, uint64_t capacity, | |
239 | uint64_t *count); | |
240 | ||
241 | typedef bt_self_message_iterator_status | |
242 | (*bt_component_class_filter_message_iterator_seek_ns_from_origin_method)( | |
243 | bt_self_message_iterator *message_iterator, | |
244 | int64_t ns_from_origin); | |
245 | ||
246 | typedef bt_self_message_iterator_status | |
247 | (*bt_component_class_filter_message_iterator_seek_beginning_method)( | |
248 | bt_self_message_iterator *message_iterator); | |
249 | ||
250 | typedef bt_bool | |
251 | (*bt_component_class_filter_message_iterator_can_seek_ns_from_origin_method)( | |
252 | bt_self_message_iterator *message_iterator, | |
253 | int64_t ns_from_origin); | |
254 | ||
255 | typedef bt_bool | |
256 | (*bt_component_class_filter_message_iterator_can_seek_beginning_method)( | |
257 | bt_self_message_iterator *message_iterator); | |
258 | ||
259 | typedef bt_query_status | |
260 | (*bt_component_class_filter_query_method)( | |
261 | bt_self_component_class_filter *comp_class, | |
262 | const bt_query_executor *query_executor, | |
263 | const char *object, const bt_value *params, | |
f4e38e70 | 264 | bt_logging_level log_level, |
6945df9a SM |
265 | const bt_value **result); |
266 | ||
267 | typedef bt_self_component_status | |
268 | (*bt_component_class_filter_accept_input_port_connection_method)( | |
269 | bt_self_component_filter *self_component, | |
270 | bt_self_component_port_input *self_port, | |
271 | const bt_port_output *other_port); | |
272 | ||
273 | typedef bt_self_component_status | |
274 | (*bt_component_class_filter_accept_output_port_connection_method)( | |
275 | bt_self_component_filter *self_component, | |
276 | bt_self_component_port_output *self_port, | |
277 | const bt_port_input *other_port); | |
278 | ||
279 | typedef bt_self_component_status | |
280 | (*bt_component_class_filter_input_port_connected_method)( | |
281 | bt_self_component_filter *self_component, | |
282 | bt_self_component_port_input *self_port, | |
283 | const bt_port_output *other_port); | |
284 | ||
285 | typedef bt_self_component_status | |
286 | (*bt_component_class_filter_output_port_connected_method)( | |
287 | bt_self_component_filter *self_component, | |
288 | bt_self_component_port_output *self_port, | |
289 | const bt_port_input *other_port); | |
290 | ||
291 | bt_component_class *bt_component_class_filter_as_component_class( | |
292 | bt_component_class_filter *comp_cls_filter); | |
293 | ||
294 | extern | |
295 | bt_component_class_filter *bt_component_class_filter_create( | |
296 | const char *name, | |
297 | bt_component_class_filter_message_iterator_next_method method); | |
298 | ||
299 | extern bt_component_class_status | |
300 | bt_component_class_filter_set_init_method( | |
301 | bt_component_class_filter *comp_class, | |
302 | bt_component_class_filter_init_method method); | |
303 | ||
304 | extern bt_component_class_status | |
305 | bt_component_class_filter_set_finalize_method( | |
306 | bt_component_class_filter *comp_class, | |
307 | bt_component_class_filter_finalize_method method); | |
308 | ||
309 | extern bt_component_class_status | |
310 | bt_component_class_filter_set_accept_input_port_connection_method( | |
311 | bt_component_class_filter *comp_class, | |
312 | bt_component_class_filter_accept_input_port_connection_method method); | |
313 | ||
314 | extern bt_component_class_status | |
315 | bt_component_class_filter_set_accept_output_port_connection_method( | |
316 | bt_component_class_filter *comp_class, | |
317 | bt_component_class_filter_accept_output_port_connection_method method); | |
318 | ||
319 | extern bt_component_class_status | |
320 | bt_component_class_filter_set_input_port_connected_method( | |
321 | bt_component_class_filter *comp_class, | |
322 | bt_component_class_filter_input_port_connected_method method); | |
323 | ||
324 | extern bt_component_class_status | |
325 | bt_component_class_filter_set_output_port_connected_method( | |
326 | bt_component_class_filter *comp_class, | |
327 | bt_component_class_filter_output_port_connected_method method); | |
328 | ||
329 | extern bt_component_class_status | |
330 | bt_component_class_filter_set_query_method( | |
331 | bt_component_class_filter *comp_class, | |
332 | bt_component_class_filter_query_method method); | |
333 | ||
334 | extern bt_component_class_status | |
335 | bt_component_class_filter_set_message_iterator_init_method( | |
336 | bt_component_class_filter *comp_class, | |
337 | bt_component_class_filter_message_iterator_init_method method); | |
338 | ||
339 | extern bt_component_class_status | |
340 | bt_component_class_filter_set_message_iterator_finalize_method( | |
341 | bt_component_class_filter *comp_class, | |
342 | bt_component_class_filter_message_iterator_finalize_method method); | |
343 | ||
344 | extern bt_component_class_status | |
345 | bt_component_class_filter_set_message_iterator_seek_ns_from_origin_method( | |
346 | bt_component_class_filter *comp_class, | |
347 | bt_component_class_filter_message_iterator_seek_ns_from_origin_method method); | |
348 | ||
349 | extern bt_component_class_status | |
350 | bt_component_class_filter_set_message_iterator_seek_beginning_method( | |
351 | bt_component_class_filter *comp_class, | |
352 | bt_component_class_filter_message_iterator_seek_beginning_method method); | |
353 | ||
354 | extern bt_bool | |
355 | bt_component_class_filter_set_message_iterator_can_seek_ns_from_origin_method( | |
356 | bt_component_class_filter *comp_class, | |
357 | bt_component_class_filter_message_iterator_can_seek_ns_from_origin_method method); | |
358 | ||
359 | extern bt_bool | |
360 | bt_component_class_filter_set_message_iterator_can_seek_beginning_method( | |
361 | bt_component_class_filter *comp_class, | |
362 | bt_component_class_filter_message_iterator_can_seek_beginning_method method); | |
363 | ||
364 | /* From component-class-sink-const.h */ | |
365 | ||
366 | const bt_component_class * | |
367 | bt_component_class_sink_as_component_class_const( | |
368 | const bt_component_class_sink *comp_cls_sink); | |
369 | ||
370 | extern void bt_component_class_sink_get_ref( | |
371 | const bt_component_class_sink *component_class_sink); | |
372 | ||
373 | extern void bt_component_class_sink_put_ref( | |
374 | const bt_component_class_sink *component_class_sink); | |
375 | ||
376 | /* From component-class-sink.h */ | |
377 | ||
378 | typedef bt_self_component_status (*bt_component_class_sink_init_method)( | |
379 | bt_self_component_sink *self_component, | |
380 | const bt_value *params, void *init_method_data); | |
381 | ||
382 | typedef void (*bt_component_class_sink_finalize_method)( | |
383 | bt_self_component_sink *self_component); | |
384 | ||
385 | typedef bt_query_status | |
386 | (*bt_component_class_sink_query_method)( | |
387 | bt_self_component_class_sink *comp_class, | |
388 | const bt_query_executor *query_executor, | |
389 | const char *object, const bt_value *params, | |
f4e38e70 | 390 | bt_logging_level log_level, |
6945df9a SM |
391 | const bt_value **result); |
392 | ||
393 | typedef bt_self_component_status | |
394 | (*bt_component_class_sink_accept_input_port_connection_method)( | |
395 | bt_self_component_sink *self_component, | |
396 | bt_self_component_port_input *self_port, | |
397 | const bt_port_output *other_port); | |
398 | ||
399 | typedef bt_self_component_status | |
400 | (*bt_component_class_sink_input_port_connected_method)( | |
401 | bt_self_component_sink *self_component, | |
402 | bt_self_component_port_input *self_port, | |
403 | const bt_port_output *other_port); | |
404 | ||
405 | typedef bt_self_component_status | |
406 | (*bt_component_class_sink_graph_is_configured_method)( | |
407 | bt_self_component_sink *self_component); | |
408 | ||
409 | typedef bt_self_component_status (*bt_component_class_sink_consume_method)( | |
410 | bt_self_component_sink *self_component); | |
411 | ||
412 | bt_component_class *bt_component_class_sink_as_component_class( | |
413 | bt_component_class_sink *comp_cls_sink); | |
414 | ||
415 | extern | |
416 | bt_component_class_sink *bt_component_class_sink_create( | |
417 | const char *name, | |
418 | bt_component_class_sink_consume_method method); | |
419 | ||
420 | extern bt_component_class_status bt_component_class_sink_set_init_method( | |
421 | bt_component_class_sink *comp_class, | |
422 | bt_component_class_sink_init_method method); | |
423 | ||
424 | extern bt_component_class_status bt_component_class_sink_set_finalize_method( | |
425 | bt_component_class_sink *comp_class, | |
426 | bt_component_class_sink_finalize_method method); | |
427 | ||
428 | extern bt_component_class_status | |
429 | bt_component_class_sink_set_accept_input_port_connection_method( | |
430 | bt_component_class_sink *comp_class, | |
431 | bt_component_class_sink_accept_input_port_connection_method method); | |
432 | ||
433 | extern bt_component_class_status | |
434 | bt_component_class_sink_set_input_port_connected_method( | |
435 | bt_component_class_sink *comp_class, | |
436 | bt_component_class_sink_input_port_connected_method method); | |
437 | ||
438 | extern bt_component_class_status | |
439 | bt_component_class_sink_set_graph_is_configured_method( | |
440 | bt_component_class_sink *comp_class, | |
441 | bt_component_class_sink_graph_is_configured_method method); | |
442 | ||
443 | extern bt_component_class_status bt_component_class_sink_set_query_method( | |
444 | bt_component_class_sink *comp_class, | |
445 | bt_component_class_sink_query_method method); | |
446 | ||
447 | /* From self-component-class-source.h */ | |
448 | ||
449 | const bt_component_class_source * | |
450 | bt_self_component_class_source_as_component_class_source( | |
451 | bt_self_component_class_source *self_comp_cls_source); | |
452 | ||
453 | /* From self-component-class-filter.h */ | |
454 | ||
455 | const bt_component_class_filter * | |
456 | bt_self_component_class_filter_as_component_class_filter( | |
457 | bt_self_component_class_filter *self_comp_cls_filter); | |
458 | ||
459 | /* From self-component-class-sink.h */ | |
460 | ||
461 | const bt_component_class_sink * | |
462 | bt_self_component_class_sink_as_component_class_sink( | |
463 | bt_self_component_class_sink *self_comp_cls_sink); | |
464 | ||
465 | %{ | |
466 | /* | |
467 | * This hash table associates a BT component class object address to a | |
468 | * user-defined Python class (PyObject *). The keys and values are NOT | |
469 | * owned by this hash table. The Python class objects are owned by the | |
470 | * Python module, which should not be unloaded until it is not possible | |
471 | * to create a user Python component anyway. | |
472 | * | |
473 | * This hash table is written to when a user-defined Python component | |
474 | * class is created by one of the bt_py3_component_class_*_create() | |
475 | * functions. | |
476 | * | |
477 | * This function is read from when a user calls bt_component_create() | |
478 | * with a component class pointer created by one of the functions above. | |
479 | * In this case, the original Python class needs to be found to | |
480 | * instantiate it and associate the created Python component object with | |
481 | * a BT component object instance. | |
482 | */ | |
483 | ||
484 | static GHashTable *bt_cc_ptr_to_py_cls; | |
485 | ||
486 | static void register_cc_ptr_to_py_cls(struct bt_component_class *bt_cc, | |
487 | PyObject *py_cls) | |
488 | { | |
489 | if (!bt_cc_ptr_to_py_cls) { | |
490 | /* | |
491 | * Lazy-initializing this GHashTable because GLib | |
492 | * might not be initialized yet and it needs to be | |
493 | * before we call g_hash_table_new() | |
494 | */ | |
495 | BT_LOGD_STR("Creating native component class to Python component class hash table."); | |
496 | bt_cc_ptr_to_py_cls = g_hash_table_new(g_direct_hash, g_direct_equal); | |
497 | BT_ASSERT(bt_cc_ptr_to_py_cls); | |
498 | } | |
499 | ||
500 | g_hash_table_insert(bt_cc_ptr_to_py_cls, (gpointer) bt_cc, | |
501 | (gpointer) py_cls); | |
502 | } | |
503 | ||
504 | static PyObject *lookup_cc_ptr_to_py_cls(const bt_component_class *bt_cc) | |
505 | { | |
506 | if (!bt_cc_ptr_to_py_cls) { | |
507 | BT_LOGW("Cannot look up Python component class because hash table is NULL: " | |
508 | "comp-cls-addr=%p", bt_cc); | |
509 | return NULL; | |
510 | } | |
511 | ||
512 | return (PyObject *) g_hash_table_lookup(bt_cc_ptr_to_py_cls, | |
513 | (gconstpointer) bt_cc); | |
514 | } | |
515 | ||
516 | ||
517 | /* | |
518 | * Useful Python objects. | |
519 | */ | |
520 | ||
521 | static PyObject *py_mod_bt2 = NULL; | |
522 | static PyObject *py_mod_bt2_exc_error_type = NULL; | |
523 | static PyObject *py_mod_bt2_exc_try_again_type = NULL; | |
524 | static PyObject *py_mod_bt2_exc_stop_type = NULL; | |
525 | static PyObject *py_mod_bt2_exc_port_connection_refused_type = NULL; | |
5602ef81 | 526 | static PyObject *py_mod_bt2_exc_msg_iter_canceled_type = NULL; |
6945df9a SM |
527 | static PyObject *py_mod_bt2_exc_invalid_query_object_type = NULL; |
528 | static PyObject *py_mod_bt2_exc_invalid_query_params_type = NULL; | |
529 | ||
530 | static void bt_py3_cc_init_from_bt2(void) | |
531 | { | |
532 | /* | |
533 | * This is called once the bt2 package is loaded. | |
534 | * | |
535 | * Those modules and functions are needed while the package is | |
536 | * used. Loading them here is safe because we know the bt2 | |
537 | * package is imported, and we know that the user cannot use the | |
538 | * code here without importing bt2 first. | |
539 | */ | |
540 | py_mod_bt2 = PyImport_ImportModule("bt2"); | |
541 | BT_ASSERT(py_mod_bt2); | |
542 | py_mod_bt2_exc_error_type = | |
543 | PyObject_GetAttrString(py_mod_bt2, "Error"); | |
544 | BT_ASSERT(py_mod_bt2_exc_error_type); | |
545 | py_mod_bt2_exc_try_again_type = | |
546 | PyObject_GetAttrString(py_mod_bt2, "TryAgain"); | |
547 | BT_ASSERT(py_mod_bt2_exc_try_again_type); | |
548 | py_mod_bt2_exc_stop_type = | |
549 | PyObject_GetAttrString(py_mod_bt2, "Stop"); | |
550 | BT_ASSERT(py_mod_bt2_exc_stop_type); | |
551 | py_mod_bt2_exc_port_connection_refused_type = | |
552 | PyObject_GetAttrString(py_mod_bt2, "PortConnectionRefused"); | |
553 | BT_ASSERT(py_mod_bt2_exc_port_connection_refused_type); | |
554 | py_mod_bt2_exc_invalid_query_object_type = | |
555 | PyObject_GetAttrString(py_mod_bt2, "InvalidQueryObject"); | |
556 | BT_ASSERT(py_mod_bt2_exc_invalid_query_object_type); | |
557 | py_mod_bt2_exc_invalid_query_params_type = | |
558 | PyObject_GetAttrString(py_mod_bt2, "InvalidQueryParams"); | |
559 | BT_ASSERT(py_mod_bt2_exc_invalid_query_params_type); | |
560 | } | |
561 | ||
562 | static void bt_py3_cc_exit_handler(void) | |
563 | { | |
564 | /* | |
565 | * This is an exit handler (set by the bt2 package). | |
566 | * | |
567 | * We only give back the references that we took in | |
568 | * bt_py3_cc_init_from_bt2() here. The global variables continue | |
569 | * to exist for the code of this file, but they are now borrowed | |
570 | * references. If this code is executed, it means that somehow | |
571 | * the modules are still loaded, so it should be safe to use | |
572 | * them even without a strong reference. | |
573 | * | |
574 | * We cannot do this in the library's destructor because it | |
575 | * gets executed once Python is already finalized. | |
576 | */ | |
577 | Py_XDECREF(py_mod_bt2); | |
578 | Py_XDECREF(py_mod_bt2_exc_error_type); | |
579 | Py_XDECREF(py_mod_bt2_exc_try_again_type); | |
580 | Py_XDECREF(py_mod_bt2_exc_stop_type); | |
581 | Py_XDECREF(py_mod_bt2_exc_port_connection_refused_type); | |
5602ef81 | 582 | Py_XDECREF(py_mod_bt2_exc_msg_iter_canceled_type); |
6945df9a SM |
583 | Py_XDECREF(py_mod_bt2_exc_invalid_query_object_type); |
584 | Py_XDECREF(py_mod_bt2_exc_invalid_query_params_type); | |
585 | } | |
586 | ||
587 | ||
588 | /* Library destructor */ | |
589 | ||
590 | __attribute__((destructor)) | |
591 | static void bt_py3_native_comp_class_dtor(void) { | |
592 | /* Destroy component class association hash table */ | |
593 | if (bt_cc_ptr_to_py_cls) { | |
594 | BT_LOGD_STR("Destroying native component class to Python component class hash table."); | |
595 | g_hash_table_destroy(bt_cc_ptr_to_py_cls); | |
596 | } | |
597 | } | |
598 | ||
599 | ||
600 | // TODO: maybe we can wrap code in the Python methods (e.g. _query_from_native) | |
601 | // in a try catch and print the error there instead, it would be simpler. | |
602 | static | |
603 | void bt2_py_loge_exception(void) | |
604 | { | |
605 | PyObject *type = NULL; | |
606 | PyObject *value = NULL; | |
607 | PyObject *traceback = NULL; | |
608 | PyObject *traceback_module = NULL; | |
609 | PyObject *format_exception_func = NULL; | |
610 | PyObject *exc_str_list = NULL; | |
611 | GString *msg_buf = NULL; | |
612 | Py_ssize_t i; | |
613 | ||
614 | BT_ASSERT(PyErr_Occurred() != NULL); | |
615 | ||
616 | PyErr_Fetch(&type, &value, &traceback); | |
617 | ||
618 | BT_ASSERT(type != NULL); | |
619 | ||
620 | /* | |
621 | * traceback can be NULL, when we fail to call a Python function from the | |
622 | * native code (there is not Python stack at that point). E.g.: | |
623 | * | |
624 | * TypeError: _accept_port_connection_from_native() takes 3 positional arguments but 4 were given | |
625 | */ | |
626 | ||
627 | ||
628 | /* Make sure `value` is what we expected - an instance of `type`. */ | |
629 | PyErr_NormalizeException(&type, &value, &traceback); | |
630 | ||
631 | traceback_module = PyImport_ImportModule("traceback"); | |
632 | if (!traceback_module) { | |
633 | BT_LOGE_STR("Failed to log Python exception (could not import traceback module)."); | |
634 | goto end; | |
635 | } | |
636 | ||
637 | format_exception_func = PyObject_GetAttrString(traceback_module, | |
638 | traceback ? "format_exception" : "format_exception_only"); | |
639 | if (!format_exception_func) { | |
640 | BT_LOGE_STR("Failed to log Python exception (could not find format_exception)."); | |
641 | goto end; | |
642 | } | |
643 | ||
644 | if (!PyCallable_Check(format_exception_func)) { | |
645 | BT_LOGE_STR("Failed to log Python exception (format_exception is not callable)."); | |
646 | goto end; | |
647 | } | |
648 | ||
649 | exc_str_list = PyObject_CallFunctionObjArgs(format_exception_func, type, value, traceback, NULL); | |
650 | if (!exc_str_list) { | |
651 | PyErr_Print(); | |
652 | BT_LOGE_STR("Failed to log Python exception (call to format_exception failed)."); | |
653 | goto end; | |
654 | } | |
655 | ||
656 | msg_buf = g_string_new(NULL); | |
657 | ||
658 | for (i = 0; i < PyList_Size(exc_str_list); i++) { | |
659 | PyObject *exc_str = PyList_GetItem(exc_str_list, i); | |
660 | const char *str = PyUnicode_AsUTF8(exc_str); | |
661 | if (!str) { | |
662 | BT_LOGE_STR("Failed to log Python exception (failed to convert exception to string)."); | |
663 | goto end; | |
664 | } | |
665 | ||
666 | g_string_append(msg_buf, str); | |
667 | } | |
668 | ||
669 | BT_LOGE_STR(msg_buf->str); | |
670 | ||
671 | end: | |
672 | if (msg_buf) { | |
673 | g_string_free(msg_buf, TRUE); | |
674 | } | |
675 | Py_XDECREF(exc_str_list); | |
676 | Py_XDECREF(format_exception_func); | |
677 | Py_XDECREF(traceback_module); | |
678 | ||
679 | /* PyErr_Restore takes our references. */ | |
680 | PyErr_Restore(type, value, traceback); | |
681 | } | |
682 | ||
683 | static bt_self_component_status bt_py3_exc_to_self_component_status(void) | |
684 | { | |
685 | bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK; | |
686 | PyObject *exc = PyErr_Occurred(); | |
687 | ||
688 | if (!exc) { | |
689 | goto end; | |
690 | } | |
691 | ||
692 | if (PyErr_GivenExceptionMatches(exc, | |
693 | py_mod_bt2_exc_try_again_type)) { | |
694 | status = BT_SELF_COMPONENT_STATUS_AGAIN; | |
695 | } else if (PyErr_GivenExceptionMatches(exc, | |
696 | py_mod_bt2_exc_stop_type)) { | |
697 | status = BT_SELF_COMPONENT_STATUS_END; | |
698 | } else if (PyErr_GivenExceptionMatches(exc, | |
699 | py_mod_bt2_exc_port_connection_refused_type)) { | |
700 | status = BT_SELF_COMPONENT_STATUS_REFUSE_PORT_CONNECTION; | |
701 | } else { | |
702 | bt2_py_loge_exception(); | |
703 | status = BT_SELF_COMPONENT_STATUS_ERROR; | |
704 | } | |
705 | ||
706 | end: | |
707 | PyErr_Clear(); | |
708 | return status; | |
709 | } | |
710 | ||
711 | /* Component class proxy methods (delegate to the attached Python object) */ | |
712 | ||
713 | static bt_self_message_iterator_status | |
714 | bt_py3_exc_to_self_message_iterator_status(void) | |
715 | { | |
716 | enum bt_self_message_iterator_status status = | |
717 | BT_SELF_MESSAGE_ITERATOR_STATUS_OK; | |
718 | PyObject *exc = PyErr_Occurred(); | |
719 | ||
720 | if (!exc) { | |
721 | goto end; | |
722 | } | |
723 | ||
724 | if (PyErr_GivenExceptionMatches(exc, py_mod_bt2_exc_stop_type)) { | |
89d7b349 | 725 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_END; |
6945df9a | 726 | } else if (PyErr_GivenExceptionMatches(exc, py_mod_bt2_exc_try_again_type)) { |
89d7b349 | 727 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_AGAIN; |
6945df9a SM |
728 | } else { |
729 | bt2_py_loge_exception(); | |
89d7b349 | 730 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; |
6945df9a SM |
731 | } |
732 | ||
733 | end: | |
734 | PyErr_Clear(); | |
735 | return status; | |
736 | } | |
737 | ||
738 | static enum bt_query_status bt_py3_exc_to_query_status(void) | |
739 | { | |
740 | enum bt_query_status status = BT_QUERY_STATUS_OK; | |
741 | PyObject *exc = PyErr_Occurred(); | |
742 | ||
743 | if (!exc) { | |
744 | goto end; | |
745 | } | |
746 | ||
747 | if (PyErr_GivenExceptionMatches(exc, | |
748 | py_mod_bt2_exc_invalid_query_object_type)) { | |
749 | status = BT_QUERY_STATUS_INVALID_OBJECT; | |
750 | } else if (PyErr_GivenExceptionMatches(exc, | |
751 | py_mod_bt2_exc_invalid_query_params_type)) { | |
752 | status = BT_QUERY_STATUS_INVALID_PARAMS; | |
753 | } else if (PyErr_GivenExceptionMatches(exc, | |
754 | py_mod_bt2_exc_try_again_type)) { | |
755 | status = BT_QUERY_STATUS_AGAIN; | |
756 | } else { | |
757 | bt2_py_loge_exception(); | |
758 | status = BT_QUERY_STATUS_ERROR; | |
759 | } | |
760 | ||
761 | end: | |
762 | PyErr_Clear(); | |
763 | return status; | |
764 | } | |
765 | ||
766 | static bt_self_component_status | |
767 | bt_py3_component_class_init( | |
768 | bt_self_component *self_component, | |
769 | void *self_component_v, | |
770 | swig_type_info *self_comp_cls_type_swig_type, | |
771 | const bt_value *params, | |
772 | void *init_method_data) | |
773 | { | |
774 | const bt_component *component = bt_self_component_as_component(self_component); | |
775 | const bt_component_class *component_class = bt_component_borrow_class_const(component); | |
776 | bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK; | |
777 | PyObject *py_cls = NULL; | |
778 | PyObject *py_comp = NULL; | |
779 | PyObject *py_params_ptr = NULL; | |
780 | PyObject *py_comp_ptr = NULL; | |
781 | ||
782 | (void) init_method_data; | |
783 | ||
784 | BT_ASSERT(self_component); | |
785 | BT_ASSERT(self_component_v); | |
786 | BT_ASSERT(self_comp_cls_type_swig_type); | |
787 | ||
788 | /* | |
789 | * Get the user-defined Python class which created this | |
790 | * component's class in the first place (borrowed | |
791 | * reference). | |
792 | */ | |
793 | py_cls = lookup_cc_ptr_to_py_cls(component_class); | |
794 | if (!py_cls) { | |
795 | BT_LOGE("Cannot find Python class associated to native component class: " | |
796 | "comp-cls-addr=%p", component_class); | |
797 | goto error; | |
798 | } | |
799 | ||
800 | /* Parameters pointer -> SWIG pointer Python object */ | |
801 | py_params_ptr = SWIG_NewPointerObj(SWIG_as_voidptr(params), | |
802 | SWIGTYPE_p_bt_value, 0); | |
803 | if (!py_params_ptr) { | |
804 | BT_LOGE_STR("Failed to create a SWIG pointer object."); | |
805 | goto error; | |
806 | } | |
807 | ||
808 | py_comp_ptr = SWIG_NewPointerObj(SWIG_as_voidptr(self_component_v), | |
809 | self_comp_cls_type_swig_type, 0); | |
810 | if (!py_comp_ptr) { | |
811 | BT_LOGE_STR("Failed to create a SWIG pointer object."); | |
812 | goto error; | |
813 | } | |
814 | ||
815 | /* | |
816 | * Do the equivalent of this: | |
817 | * | |
818 | * py_comp = py_cls._init_from_native(py_comp_ptr, py_params_ptr) | |
819 | * | |
820 | * _UserComponentType._init_from_native() calls the Python | |
821 | * component object's __init__() function. | |
822 | */ | |
823 | py_comp = PyObject_CallMethod(py_cls, | |
824 | "_init_from_native", "(OO)", py_comp_ptr, py_params_ptr); | |
825 | if (!py_comp) { | |
826 | bt2_py_loge_exception(); | |
827 | BT_LOGE("Failed to call Python class's _init_from_native() method: " | |
828 | "py-cls-addr=%p", py_cls); | |
829 | ||
830 | goto error; | |
831 | } | |
832 | ||
833 | /* | |
834 | * Our user Python component object is now fully created and | |
835 | * initialized by the user. Since we just created it, this | |
836 | * native component is its only (persistent) owner. | |
837 | */ | |
838 | bt_self_component_set_data(self_component, py_comp); | |
839 | py_comp = NULL; | |
840 | goto end; | |
841 | ||
842 | error: | |
843 | status = BT_SELF_COMPONENT_STATUS_ERROR; | |
844 | ||
845 | /* | |
846 | * Clear any exception: we're returning a bad status anyway. If | |
847 | * this call originated from Python (creation from a plugin's | |
848 | * component class, for example), then the user gets an | |
849 | * appropriate creation error. | |
850 | */ | |
851 | PyErr_Clear(); | |
852 | ||
853 | end: | |
854 | Py_XDECREF(py_comp); | |
855 | Py_XDECREF(py_params_ptr); | |
856 | Py_XDECREF(py_comp_ptr); | |
857 | return status; | |
858 | } | |
859 | ||
860 | /* | |
861 | * Method of bt_component_class_source to initialize a bt_self_component_source | |
862 | * of that class. | |
863 | */ | |
864 | ||
865 | static bt_self_component_status | |
866 | bt_py3_component_class_source_init(bt_self_component_source *self_component_source, | |
867 | const bt_value *params, void *init_method_data) | |
868 | { | |
869 | bt_self_component *self_component = bt_self_component_source_as_self_component(self_component_source); | |
870 | return bt_py3_component_class_init( | |
871 | self_component, | |
872 | self_component_source, | |
873 | SWIGTYPE_p_bt_self_component_source, | |
874 | params, init_method_data); | |
875 | } | |
876 | ||
877 | static bt_self_component_status | |
878 | bt_py3_component_class_filter_init(bt_self_component_filter *self_component_filter, | |
879 | const bt_value *params, void *init_method_data) | |
880 | { | |
881 | bt_self_component *self_component = bt_self_component_filter_as_self_component(self_component_filter); | |
882 | return bt_py3_component_class_init( | |
883 | self_component, | |
884 | self_component_filter, | |
885 | SWIGTYPE_p_bt_self_component_filter, | |
886 | params, init_method_data); | |
887 | } | |
888 | ||
889 | static bt_self_component_status | |
890 | bt_py3_component_class_sink_init(bt_self_component_sink *self_component_sink, | |
891 | const bt_value *params, void *init_method_data) | |
892 | { | |
893 | bt_self_component *self_component = bt_self_component_sink_as_self_component(self_component_sink); | |
894 | return bt_py3_component_class_init( | |
895 | self_component, | |
896 | self_component_sink, | |
897 | SWIGTYPE_p_bt_self_component_sink, | |
898 | params, init_method_data); | |
899 | } | |
900 | ||
901 | static void bt_py3_component_class_finalize(bt_self_component *self_component) | |
902 | { | |
903 | PyObject *py_comp = bt_self_component_get_data(self_component); | |
904 | BT_ASSERT(py_comp); | |
905 | ||
906 | /* Call user's _finalize() method */ | |
907 | PyObject *py_method_result = PyObject_CallMethod(py_comp, | |
908 | "_finalize", NULL); | |
909 | ||
910 | if (PyErr_Occurred()) { | |
911 | BT_LOGW("User's _finalize() method raised an exception: ignoring."); | |
912 | } | |
913 | ||
914 | /* | |
915 | * Ignore any exception raised by the _finalize() method because | |
916 | * it won't change anything at this point: the component is | |
917 | * being destroyed anyway. | |
918 | */ | |
919 | PyErr_Clear(); | |
920 | Py_XDECREF(py_method_result); | |
921 | Py_DECREF(py_comp); | |
922 | } | |
923 | ||
924 | static void | |
925 | bt_py3_component_class_source_finalize(bt_self_component_source *self_component_source) | |
926 | { | |
927 | bt_self_component *self_component = bt_self_component_source_as_self_component(self_component_source); | |
928 | bt_py3_component_class_finalize(self_component); | |
929 | } | |
930 | ||
931 | static void | |
932 | bt_py3_component_class_filter_finalize(bt_self_component_filter *self_component_filter) | |
933 | { | |
934 | bt_self_component *self_component = bt_self_component_filter_as_self_component(self_component_filter); | |
935 | bt_py3_component_class_finalize(self_component); | |
936 | } | |
937 | ||
938 | static void | |
939 | bt_py3_component_class_sink_finalize(bt_self_component_sink *self_component_sink) | |
940 | { | |
941 | bt_self_component *self_component = bt_self_component_sink_as_self_component(self_component_sink); | |
942 | bt_py3_component_class_finalize(self_component); | |
943 | } | |
944 | ||
945 | static bt_self_component_status | |
946 | bt_py3_component_class_accept_port_connection( | |
947 | bt_self_component *self_component, | |
948 | bt_self_component_port *self_component_port, | |
949 | bt_port_type self_component_port_type, | |
950 | const bt_port *other_port) | |
951 | { | |
952 | enum bt_self_component_status status; | |
953 | PyObject *py_comp = NULL; | |
954 | PyObject *py_self_port_ptr = NULL; | |
955 | PyObject *py_other_port_ptr = NULL; | |
956 | PyObject *py_method_result = NULL; | |
957 | ||
958 | py_comp = bt_self_component_get_data(self_component); | |
959 | BT_ASSERT(py_comp); | |
960 | ||
961 | swig_type_info *self_component_port_swig_type = NULL; | |
962 | swig_type_info *other_port_swig_type = NULL; | |
963 | switch (self_component_port_type) { | |
964 | case BT_PORT_TYPE_INPUT: | |
965 | self_component_port_swig_type = SWIGTYPE_p_bt_self_component_port_input; | |
966 | other_port_swig_type = SWIGTYPE_p_bt_port_output; | |
967 | break; | |
968 | case BT_PORT_TYPE_OUTPUT: | |
969 | self_component_port_swig_type = SWIGTYPE_p_bt_self_component_port_output; | |
970 | other_port_swig_type = SWIGTYPE_p_bt_port_input; | |
971 | break; | |
972 | } | |
973 | BT_ASSERT(self_component_port_swig_type != NULL); | |
974 | BT_ASSERT(other_port_swig_type != NULL); | |
975 | ||
976 | py_self_port_ptr = SWIG_NewPointerObj(SWIG_as_voidptr(self_component_port), | |
977 | self_component_port_swig_type, 0); | |
978 | if (!py_self_port_ptr) { | |
979 | BT_LOGE_STR("Failed to create a SWIG pointer object."); | |
980 | goto error; | |
981 | } | |
982 | ||
983 | py_other_port_ptr = SWIG_NewPointerObj(SWIG_as_voidptr(other_port), | |
984 | other_port_swig_type, 0); | |
985 | if (!py_other_port_ptr) { | |
986 | BT_LOGE_STR("Failed to create a SWIG pointer object."); | |
987 | goto error; | |
988 | } | |
989 | ||
990 | py_method_result = PyObject_CallMethod(py_comp, | |
991 | "_accept_port_connection_from_native", "(OiO)", py_self_port_ptr, | |
992 | self_component_port_type, py_other_port_ptr); | |
993 | ||
994 | status = bt_py3_exc_to_self_component_status(); | |
995 | if (!py_method_result && status == BT_SELF_COMPONENT_STATUS_OK) { | |
996 | /* Pretty sure this should never happen, but just in case */ | |
997 | BT_LOGE("User's _accept_port_connection() method failed without raising an exception: " | |
998 | "status=%d", status); | |
999 | goto error; | |
1000 | } | |
1001 | ||
1002 | if (status == BT_SELF_COMPONENT_STATUS_REFUSE_PORT_CONNECTION) { | |
1003 | /* | |
1004 | * Looks like the user method raised | |
1005 | * PortConnectionRefused: accept this like if it | |
1006 | * returned False. | |
1007 | */ | |
1008 | goto end; | |
1009 | } else if (status != BT_SELF_COMPONENT_STATUS_OK) { | |
1010 | BT_LOGE("User's _accept_port_connection() raised an unexpected exception: " | |
1011 | "status=%d", status); | |
1012 | goto error; | |
1013 | } | |
1014 | ||
1015 | BT_ASSERT(PyBool_Check(py_method_result)); | |
1016 | ||
1017 | if (py_method_result == Py_True) { | |
1018 | status = BT_SELF_COMPONENT_STATUS_OK; | |
1019 | } else { | |
1020 | status = BT_SELF_COMPONENT_STATUS_REFUSE_PORT_CONNECTION; | |
1021 | } | |
1022 | ||
1023 | goto end; | |
1024 | ||
1025 | error: | |
1026 | status = BT_SELF_COMPONENT_STATUS_ERROR; | |
1027 | ||
1028 | /* | |
1029 | * Clear any exception: we're returning a bad status anyway. If | |
1030 | * this call originated from Python, then the user gets an | |
1031 | * appropriate error. | |
1032 | */ | |
1033 | PyErr_Clear(); | |
1034 | ||
1035 | end: | |
1036 | Py_XDECREF(py_self_port_ptr); | |
1037 | Py_XDECREF(py_other_port_ptr); | |
1038 | Py_XDECREF(py_method_result); | |
1039 | return status; | |
1040 | } | |
1041 | ||
1042 | static bt_self_component_status | |
1043 | bt_py3_component_class_source_accept_output_port_connection(bt_self_component_source *self_component_source, | |
1044 | bt_self_component_port_output *self_component_port_output, | |
1045 | const bt_port_input *other_port_input) | |
1046 | { | |
1047 | bt_self_component *self_component = bt_self_component_source_as_self_component(self_component_source); | |
1048 | bt_self_component_port *self_component_port = bt_self_component_port_output_as_self_component_port(self_component_port_output); | |
1049 | const bt_port *other_port = bt_port_input_as_port_const(other_port_input); | |
1050 | return bt_py3_component_class_accept_port_connection(self_component, self_component_port, BT_PORT_TYPE_OUTPUT, other_port); | |
1051 | } | |
1052 | ||
1053 | static bt_self_component_status | |
1054 | bt_py3_component_class_filter_accept_input_port_connection(bt_self_component_filter *self_component_filter, | |
1055 | bt_self_component_port_input *self_component_port_input, | |
1056 | const bt_port_output *other_port_output) | |
1057 | { | |
1058 | bt_self_component *self_component = bt_self_component_filter_as_self_component(self_component_filter); | |
1059 | bt_self_component_port *self_component_port = bt_self_component_port_input_as_self_component_port(self_component_port_input); | |
1060 | const bt_port *other_port = bt_port_output_as_port_const(other_port_output); | |
1061 | return bt_py3_component_class_accept_port_connection(self_component, self_component_port, BT_PORT_TYPE_INPUT, other_port); | |
1062 | } | |
1063 | ||
1064 | static bt_self_component_status | |
1065 | bt_py3_component_class_filter_accept_output_port_connection(bt_self_component_filter *self_component_filter, | |
1066 | bt_self_component_port_output *self_component_port_output, | |
1067 | const bt_port_input *other_port_input) | |
1068 | { | |
1069 | bt_self_component *self_component = bt_self_component_filter_as_self_component(self_component_filter); | |
1070 | bt_self_component_port *self_component_port = bt_self_component_port_output_as_self_component_port(self_component_port_output); | |
1071 | const bt_port *other_port = bt_port_input_as_port_const(other_port_input); | |
1072 | return bt_py3_component_class_accept_port_connection(self_component, self_component_port, BT_PORT_TYPE_OUTPUT, other_port); | |
1073 | } | |
1074 | ||
1075 | static bt_self_component_status | |
1076 | bt_py3_component_class_sink_accept_input_port_connection(bt_self_component_sink *self_component_sink, | |
1077 | bt_self_component_port_input *self_component_port_input, | |
1078 | const bt_port_output *other_port_output) | |
1079 | { | |
1080 | bt_self_component *self_component = bt_self_component_sink_as_self_component(self_component_sink); | |
1081 | bt_self_component_port *self_component_port = bt_self_component_port_input_as_self_component_port(self_component_port_input); | |
1082 | const bt_port *other_port = bt_port_output_as_port_const(other_port_output); | |
1083 | return bt_py3_component_class_accept_port_connection(self_component, self_component_port, BT_PORT_TYPE_INPUT, other_port); | |
1084 | } | |
1085 | ||
1086 | static bt_self_component_status | |
1087 | bt_py3_component_class_port_connected( | |
1088 | bt_self_component *self_component, | |
1089 | void *self_component_port, | |
1090 | swig_type_info *self_component_port_swig_type, | |
1091 | bt_port_type self_component_port_type, | |
1092 | const void *other_port, | |
1093 | swig_type_info *other_port_swig_type) | |
1094 | { | |
1095 | bt_self_component_status status; | |
1096 | PyObject *py_comp = NULL; | |
1097 | PyObject *py_self_port_ptr = NULL; | |
1098 | PyObject *py_other_port_ptr = NULL; | |
1099 | PyObject *py_method_result = NULL; | |
1100 | ||
1101 | py_comp = bt_self_component_get_data(self_component); | |
1102 | BT_ASSERT(py_comp); | |
1103 | ||
1104 | py_self_port_ptr = SWIG_NewPointerObj(SWIG_as_voidptr(self_component_port), | |
1105 | self_component_port_swig_type, 0); | |
1106 | if (!py_self_port_ptr) { | |
1107 | BT_LOGF_STR("Failed to create a SWIG pointer object."); | |
1108 | status = BT_SELF_COMPONENT_STATUS_NOMEM; | |
1109 | goto end; | |
1110 | } | |
1111 | ||
1112 | py_other_port_ptr = SWIG_NewPointerObj(SWIG_as_voidptr(other_port), | |
1113 | other_port_swig_type, 0); | |
1114 | if (!py_other_port_ptr) { | |
1115 | BT_LOGF_STR("Failed to create a SWIG pointer object."); | |
1116 | status = BT_SELF_COMPONENT_STATUS_NOMEM; | |
1117 | goto end; } | |
1118 | ||
1119 | py_method_result = PyObject_CallMethod(py_comp, | |
1120 | "_port_connected_from_native", "(OiO)", py_self_port_ptr, | |
1121 | self_component_port_type, py_other_port_ptr); | |
1122 | ||
1123 | BT_ASSERT(!py_method_result || py_method_result == Py_None); | |
1124 | ||
1125 | status = bt_py3_exc_to_self_component_status(); | |
1126 | ||
1127 | end: | |
1128 | Py_XDECREF(py_self_port_ptr); | |
1129 | Py_XDECREF(py_other_port_ptr); | |
1130 | Py_XDECREF(py_method_result); | |
1131 | ||
1132 | return status; | |
1133 | } | |
1134 | ||
1135 | static bt_self_component_status | |
1136 | bt_py3_component_class_source_output_port_connected( | |
1137 | bt_self_component_source *self_component_source, | |
1138 | bt_self_component_port_output *self_component_port_output, | |
1139 | const bt_port_input *other_port_input) | |
1140 | { | |
1141 | bt_self_component *self_component = bt_self_component_source_as_self_component(self_component_source); | |
1142 | ||
1143 | return bt_py3_component_class_port_connected( | |
1144 | self_component, | |
1145 | self_component_port_output, | |
1146 | SWIGTYPE_p_bt_self_component_port_output, | |
1147 | BT_PORT_TYPE_OUTPUT, | |
1148 | other_port_input, | |
1149 | SWIGTYPE_p_bt_port_input); | |
1150 | } | |
1151 | ||
1152 | static bt_self_component_status | |
1153 | bt_py3_component_class_filter_input_port_connected( | |
1154 | bt_self_component_filter *self_component_filter, | |
1155 | bt_self_component_port_input *self_component_port_input, | |
1156 | const bt_port_output *other_port_output) | |
1157 | { | |
1158 | bt_self_component *self_component = bt_self_component_filter_as_self_component(self_component_filter); | |
1159 | ||
1160 | return bt_py3_component_class_port_connected( | |
1161 | self_component, | |
1162 | self_component_port_input, | |
1163 | SWIGTYPE_p_bt_self_component_port_input, | |
1164 | BT_PORT_TYPE_INPUT, | |
1165 | other_port_output, | |
1166 | SWIGTYPE_p_bt_port_output); | |
1167 | } | |
1168 | ||
1169 | static bt_self_component_status | |
1170 | bt_py3_component_class_filter_output_port_connected( | |
1171 | bt_self_component_filter *self_component_filter, | |
1172 | bt_self_component_port_output *self_component_port_output, | |
1173 | const bt_port_input *other_port_input) | |
1174 | { | |
1175 | bt_self_component *self_component = bt_self_component_filter_as_self_component(self_component_filter); | |
1176 | ||
1177 | return bt_py3_component_class_port_connected( | |
1178 | self_component, | |
1179 | self_component_port_output, | |
1180 | SWIGTYPE_p_bt_self_component_port_output, | |
1181 | BT_PORT_TYPE_OUTPUT, | |
1182 | other_port_input, | |
1183 | SWIGTYPE_p_bt_port_input); | |
1184 | } | |
1185 | ||
1186 | static bt_self_component_status | |
1187 | bt_py3_component_class_sink_input_port_connected( | |
1188 | bt_self_component_sink *self_component_sink, | |
1189 | bt_self_component_port_input *self_component_port_input, | |
1190 | const bt_port_output *other_port_output) | |
1191 | { | |
1192 | bt_self_component *self_component = bt_self_component_sink_as_self_component(self_component_sink); | |
1193 | ||
1194 | return bt_py3_component_class_port_connected( | |
1195 | self_component, | |
1196 | self_component_port_input, | |
1197 | SWIGTYPE_p_bt_self_component_port_input, | |
1198 | BT_PORT_TYPE_INPUT, | |
1199 | other_port_output, | |
1200 | SWIGTYPE_p_bt_port_output); | |
1201 | } | |
1202 | ||
1203 | static bt_self_component_status | |
1204 | bt_py3_component_class_sink_graph_is_configured(bt_self_component_sink *self_component_sink) | |
1205 | { | |
1206 | PyObject *py_comp = NULL; | |
1207 | PyObject *py_method_result = NULL; | |
1208 | bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK; | |
1209 | bt_self_component *self_component = bt_self_component_sink_as_self_component(self_component_sink); | |
1210 | ||
1211 | py_comp = bt_self_component_get_data(self_component); | |
1212 | py_method_result = PyObject_CallMethod(py_comp, | |
1213 | "_graph_is_configured_from_native", NULL); | |
1214 | ||
1215 | BT_ASSERT(!py_method_result || py_method_result == Py_None); | |
1216 | ||
1217 | status = bt_py3_exc_to_self_component_status(); | |
1218 | ||
1219 | Py_XDECREF(py_method_result); | |
1220 | ||
1221 | return status; | |
1222 | } | |
1223 | ||
1224 | static bt_query_status | |
1225 | bt_py3_component_class_query( | |
1226 | const bt_component_class *component_class, | |
1227 | const bt_query_executor *query_executor, | |
1228 | const char *object, const bt_value *params, | |
f4e38e70 | 1229 | bt_logging_level log_level, |
6945df9a SM |
1230 | const bt_value **result) |
1231 | { | |
1232 | PyObject *py_cls = NULL; | |
1233 | PyObject *py_params_ptr = NULL; | |
1234 | PyObject *py_query_exec_ptr = NULL; | |
1235 | PyObject *py_query_func = NULL; | |
1236 | PyObject *py_object = NULL; | |
1237 | PyObject *py_results_addr = NULL; | |
1238 | bt_query_status status = BT_QUERY_STATUS_OK; | |
1239 | ||
1240 | py_cls = lookup_cc_ptr_to_py_cls(component_class); | |
1241 | if (!py_cls) { | |
1242 | BT_LOGE("Cannot find Python class associated to native component class: " | |
1243 | "comp-cls-addr=%p", component_class); | |
1244 | goto error; | |
1245 | } | |
1246 | ||
1247 | py_params_ptr = SWIG_NewPointerObj(SWIG_as_voidptr(params), | |
1248 | SWIGTYPE_p_bt_value, 0); | |
1249 | if (!py_params_ptr) { | |
1250 | BT_LOGE_STR("Failed to create a SWIG pointer object."); | |
1251 | goto error; | |
1252 | } | |
1253 | ||
1254 | py_query_exec_ptr = SWIG_NewPointerObj(SWIG_as_voidptr(query_executor), | |
1255 | SWIGTYPE_p_bt_query_executor, 0); | |
1256 | if (!py_query_exec_ptr) { | |
1257 | BT_LOGE_STR("Failed to create a SWIG pointer object."); | |
1258 | goto error; | |
1259 | } | |
1260 | ||
1261 | py_object = SWIG_FromCharPtr(object); | |
1262 | if (!py_object) { | |
1263 | BT_LOGE_STR("Failed to create a Python string."); | |
1264 | goto error; | |
1265 | } | |
1266 | ||
1267 | py_results_addr = PyObject_CallMethod(py_cls, | |
f4e38e70 PP |
1268 | "_query_from_native", "(OOOi)", py_query_exec_ptr, |
1269 | py_object, py_params_ptr, (int) log_level); | |
6945df9a SM |
1270 | |
1271 | if (!py_results_addr) { | |
1272 | BT_LOGE("Failed to call Python class's _query_from_native() method: " | |
1273 | "py-cls-addr=%p", py_cls); | |
1274 | status = bt_py3_exc_to_query_status(); | |
1275 | goto end; | |
1276 | } | |
1277 | ||
1278 | /* | |
1279 | * The returned object, on success, is an integer object | |
1280 | * (PyLong) containing the address of a BT value object (new | |
1281 | * reference). | |
1282 | */ | |
babe0791 | 1283 | *result = PyLong_AsVoidPtr(py_results_addr); |
6945df9a SM |
1284 | BT_ASSERT(!PyErr_Occurred()); |
1285 | BT_ASSERT(*result); | |
1286 | goto end; | |
1287 | ||
1288 | error: | |
1289 | PyErr_Clear(); | |
1290 | status = BT_QUERY_STATUS_ERROR; | |
1291 | ||
1292 | end: | |
1293 | Py_XDECREF(py_params_ptr); | |
1294 | Py_XDECREF(py_query_exec_ptr); | |
1295 | Py_XDECREF(py_query_func); | |
1296 | Py_XDECREF(py_object); | |
1297 | Py_XDECREF(py_results_addr); | |
1298 | return status; | |
1299 | } | |
1300 | ||
1301 | static bt_query_status | |
1302 | bt_py3_component_class_source_query( | |
1303 | bt_self_component_class_source *self_component_class_source, | |
1304 | const bt_query_executor *query_executor, | |
1305 | const char *object, const bt_value *params, | |
f4e38e70 | 1306 | bt_logging_level log_level, |
6945df9a SM |
1307 | const bt_value **result) |
1308 | { | |
1309 | const bt_component_class_source *component_class_source = bt_self_component_class_source_as_component_class_source(self_component_class_source); | |
1310 | const bt_component_class *component_class = bt_component_class_source_as_component_class_const(component_class_source); | |
f4e38e70 | 1311 | return bt_py3_component_class_query(component_class, query_executor, object, params, log_level, result); |
6945df9a SM |
1312 | } |
1313 | ||
1314 | static bt_query_status | |
1315 | bt_py3_component_class_filter_query( | |
1316 | bt_self_component_class_filter *self_component_class_filter, | |
1317 | const bt_query_executor *query_executor, | |
1318 | const char *object, const bt_value *params, | |
f4e38e70 | 1319 | bt_logging_level log_level, |
6945df9a SM |
1320 | const bt_value **result) |
1321 | { | |
1322 | const bt_component_class_filter *component_class_filter = bt_self_component_class_filter_as_component_class_filter(self_component_class_filter); | |
1323 | const bt_component_class *component_class = bt_component_class_filter_as_component_class_const(component_class_filter); | |
f4e38e70 | 1324 | return bt_py3_component_class_query(component_class, query_executor, object, params, log_level, result); |
6945df9a SM |
1325 | } |
1326 | ||
1327 | static bt_query_status | |
1328 | bt_py3_component_class_sink_query( | |
1329 | bt_self_component_class_sink *self_component_class_sink, | |
1330 | const bt_query_executor *query_executor, | |
1331 | const char *object, const bt_value *params, | |
f4e38e70 | 1332 | bt_logging_level log_level, |
6945df9a SM |
1333 | const bt_value **result) |
1334 | { | |
1335 | const bt_component_class_sink *component_class_sink = bt_self_component_class_sink_as_component_class_sink(self_component_class_sink); | |
1336 | const bt_component_class *component_class = bt_component_class_sink_as_component_class_const(component_class_sink); | |
f4e38e70 | 1337 | return bt_py3_component_class_query(component_class, query_executor, object, params, log_level, result); |
6945df9a SM |
1338 | } |
1339 | ||
1340 | static bt_self_message_iterator_status | |
1341 | bt_py3_component_class_message_iterator_init( | |
1342 | bt_self_message_iterator *self_message_iterator, | |
1343 | bt_self_component *self_component, | |
1344 | bt_self_component_port_output *self_component_port_output) | |
1345 | { | |
89d7b349 | 1346 | bt_self_message_iterator_status status = BT_SELF_MESSAGE_ITERATOR_STATUS_OK; |
6945df9a SM |
1347 | PyObject *py_comp_cls = NULL; |
1348 | PyObject *py_iter_cls = NULL; | |
1349 | PyObject *py_iter_ptr = NULL; | |
c5f330cd | 1350 | PyObject *py_component_port_output_ptr = NULL; |
6945df9a SM |
1351 | PyObject *py_init_method_result = NULL; |
1352 | PyObject *py_iter = NULL; | |
1353 | PyObject *py_comp; | |
1354 | ||
1355 | py_comp = bt_self_component_get_data(self_component); | |
1356 | ||
5602ef81 | 1357 | /* Find user's Python message iterator class */ |
6945df9a SM |
1358 | py_comp_cls = PyObject_GetAttrString(py_comp, "__class__"); |
1359 | if (!py_comp_cls) { | |
1360 | BT_LOGE_STR("Cannot get Python object's `__class__` attribute."); | |
1361 | goto error; | |
1362 | } | |
1363 | ||
1364 | py_iter_cls = PyObject_GetAttrString(py_comp_cls, "_iter_cls"); | |
1365 | if (!py_iter_cls) { | |
1366 | BT_LOGE_STR("Cannot get Python class's `_iter_cls` attribute."); | |
1367 | goto error; | |
1368 | } | |
1369 | ||
1370 | py_iter_ptr = SWIG_NewPointerObj(SWIG_as_voidptr(self_message_iterator), | |
1371 | SWIGTYPE_p_bt_self_message_iterator, 0); | |
1372 | if (!py_iter_ptr) { | |
1373 | BT_LOGE_STR("Failed to create a SWIG pointer object."); | |
1374 | goto error; | |
1375 | } | |
1376 | ||
1377 | /* | |
5602ef81 | 1378 | * Create object with borrowed native message iterator |
6945df9a SM |
1379 | * reference: |
1380 | * | |
1381 | * py_iter = py_iter_cls.__new__(py_iter_cls, py_iter_ptr) | |
1382 | */ | |
1383 | py_iter = PyObject_CallMethod(py_iter_cls, "__new__", | |
1384 | "(OO)", py_iter_cls, py_iter_ptr); | |
1385 | if (!py_iter) { | |
1386 | BT_LOGE("Failed to call Python class's __new__() method: " | |
1387 | "py-cls-addr=%p", py_iter_cls); | |
1388 | bt2_py_loge_exception(); | |
1389 | goto error; | |
1390 | } | |
1391 | ||
1392 | /* | |
1393 | * Initialize object: | |
1394 | * | |
c5f330cd SM |
1395 | * py_iter.__init__(self_output_port) |
1396 | * | |
1397 | * through the _init_for_native helper static method. | |
6945df9a SM |
1398 | * |
1399 | * At this point, py_iter._ptr is set, so this initialization | |
1400 | * function has access to self._component (which gives it the | |
1401 | * user Python component object from which the iterator was | |
1402 | * created). | |
1403 | */ | |
c5f330cd SM |
1404 | py_component_port_output_ptr = SWIG_NewPointerObj(SWIG_as_voidptr(self_component_port_output), |
1405 | SWIGTYPE_p_bt_self_component_port_output, 0); | |
1406 | if (!py_component_port_output_ptr) { | |
1407 | BT_LOGE_STR("Failed to create a SWIG pointer object."); | |
1408 | goto error; | |
1409 | } | |
1410 | ||
1411 | py_init_method_result = PyObject_CallMethod(py_iter, "_init_from_native", "O", py_component_port_output_ptr); | |
6945df9a SM |
1412 | if (!py_init_method_result) { |
1413 | BT_LOGE_STR("User's __init__() method failed."); | |
1414 | bt2_py_loge_exception(); | |
1415 | goto error; | |
1416 | } | |
1417 | ||
1418 | /* | |
1419 | * Since the Python code can never instantiate a user-defined | |
5602ef81 SM |
1420 | * message iterator class, the native message iterator |
1421 | * object does NOT belong to a user Python message iterator | |
6945df9a | 1422 | * object (borrowed reference). However this Python object is |
5602ef81 | 1423 | * owned by this native message iterator object. |
6945df9a | 1424 | * |
5602ef81 SM |
1425 | * In the Python world, the lifetime of the native message |
1426 | * iterator is managed by a _GenericMessageIterator | |
6945df9a SM |
1427 | * instance: |
1428 | * | |
5602ef81 SM |
1429 | * _GenericMessageIterator instance: |
1430 | * owns a native bt_message_iterator object (iter) | |
6945df9a SM |
1431 | * owns a _UserMessageIterator instance (py_iter) |
1432 | * self._ptr is a borrowed reference to the | |
5602ef81 | 1433 | * native bt_private_connection_private_message_iterator |
6945df9a SM |
1434 | * object (iter) |
1435 | */ | |
1436 | bt_self_message_iterator_set_data(self_message_iterator, py_iter); | |
1437 | py_iter = NULL; | |
1438 | goto end; | |
1439 | ||
1440 | error: | |
1441 | status = bt_py3_exc_to_self_message_iterator_status(); | |
1442 | if (status == BT_SELF_MESSAGE_ITERATOR_STATUS_OK) { | |
1443 | /* | |
1444 | * Looks like there wasn't any exception from the Python | |
1445 | * side, but we're still in an error state here. | |
1446 | */ | |
1447 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; | |
1448 | } | |
1449 | ||
1450 | /* | |
1451 | * Clear any exception: we're returning a bad status anyway. If | |
1452 | * this call originated from Python, then the user gets an | |
1453 | * appropriate creation error. | |
1454 | */ | |
1455 | PyErr_Clear(); | |
1456 | ||
1457 | end: | |
1458 | Py_XDECREF(py_comp_cls); | |
1459 | Py_XDECREF(py_iter_cls); | |
1460 | Py_XDECREF(py_iter_ptr); | |
c5f330cd | 1461 | Py_XDECREF(py_component_port_output_ptr); |
6945df9a SM |
1462 | Py_XDECREF(py_init_method_result); |
1463 | Py_XDECREF(py_iter); | |
1464 | return status; | |
1465 | } | |
1466 | ||
1467 | static bt_self_message_iterator_status | |
1468 | bt_py3_component_class_source_message_iterator_init( | |
1469 | bt_self_message_iterator *self_message_iterator, | |
1470 | bt_self_component_source *self_component_source, | |
1471 | bt_self_component_port_output *self_component_port_output) | |
1472 | { | |
1473 | bt_self_component *self_component = bt_self_component_source_as_self_component(self_component_source); | |
1474 | return bt_py3_component_class_message_iterator_init(self_message_iterator, self_component, self_component_port_output); | |
1475 | } | |
1476 | ||
1477 | static bt_self_message_iterator_status | |
1478 | bt_py3_component_class_filter_message_iterator_init( | |
1479 | bt_self_message_iterator *self_message_iterator, | |
1480 | bt_self_component_filter *self_component_filter, | |
1481 | bt_self_component_port_output *self_component_port_output) | |
1482 | { | |
1483 | bt_self_component *self_component = bt_self_component_filter_as_self_component(self_component_filter); | |
1484 | return bt_py3_component_class_message_iterator_init(self_message_iterator, self_component, self_component_port_output); | |
1485 | } | |
1486 | ||
1487 | static void | |
1488 | bt_py3_component_class_message_iterator_finalize( | |
1489 | bt_self_message_iterator *message_iterator) | |
1490 | { | |
1491 | PyObject *py_message_iter = bt_self_message_iterator_get_data(message_iterator); | |
1492 | PyObject *py_method_result = NULL; | |
1493 | ||
1494 | BT_ASSERT(py_message_iter); | |
1495 | ||
1496 | /* Call user's _finalize() method */ | |
1497 | py_method_result = PyObject_CallMethod(py_message_iter, | |
1498 | "_finalize", NULL); | |
1499 | ||
1500 | if (PyErr_Occurred()) { | |
1501 | BT_LOGW("User's _finalize() method raised an exception: ignoring."); | |
1502 | } | |
1503 | ||
1504 | /* | |
1505 | * Ignore any exception raised by the _finalize() method because | |
1506 | * it won't change anything at this point: the component is | |
1507 | * being destroyed anyway. | |
1508 | */ | |
1509 | PyErr_Clear(); | |
1510 | Py_XDECREF(py_method_result); | |
1511 | Py_DECREF(py_message_iter); | |
1512 | } | |
1513 | ||
1514 | /* Valid for both sources and filters. */ | |
1515 | ||
1516 | static bt_self_message_iterator_status | |
1517 | bt_py3_component_class_message_iterator_next( | |
1518 | bt_self_message_iterator *message_iterator, | |
1519 | bt_message_array_const msgs, uint64_t capacity, | |
1520 | uint64_t *count) | |
1521 | { | |
89d7b349 | 1522 | bt_self_message_iterator_status status = BT_SELF_MESSAGE_ITERATOR_STATUS_OK; |
6945df9a SM |
1523 | PyObject *py_message_iter = bt_self_message_iterator_get_data(message_iterator); |
1524 | PyObject *py_method_result = NULL; | |
1525 | ||
1526 | BT_ASSERT(py_message_iter); | |
1527 | py_method_result = PyObject_CallMethod(py_message_iter, | |
1528 | "_next_from_native", NULL); | |
1529 | if (!py_method_result) { | |
1530 | status = bt_py3_exc_to_self_message_iterator_status(); | |
1531 | BT_ASSERT(status != BT_SELF_MESSAGE_ITERATOR_STATUS_OK); | |
1532 | goto end; | |
1533 | } | |
1534 | ||
1535 | /* | |
1536 | * The returned object, on success, is an integer object | |
5602ef81 | 1537 | * (PyLong) containing the address of a native message |
6945df9a SM |
1538 | * object (which is now ours). |
1539 | */ | |
babe0791 | 1540 | msgs[0] = PyLong_AsVoidPtr(py_method_result); |
6945df9a SM |
1541 | *count = 1; |
1542 | ||
1543 | /* Clear potential overflow error; should never happen */ | |
1544 | BT_ASSERT(!PyErr_Occurred()); | |
1545 | goto end; | |
1546 | ||
1547 | end: | |
1548 | Py_XDECREF(py_method_result); | |
1549 | return status; | |
1550 | } | |
1551 | ||
1552 | static bt_self_component_status | |
1553 | bt_py3_component_class_sink_consume(bt_self_component_sink *self_component_sink) | |
1554 | { | |
1555 | bt_self_component *self_component = bt_self_component_sink_as_self_component(self_component_sink); | |
1556 | PyObject *py_comp = bt_self_component_get_data(self_component); | |
1557 | PyObject *py_method_result = NULL; | |
1558 | bt_self_component_status status; | |
1559 | ||
1560 | BT_ASSERT(py_comp); | |
1561 | py_method_result = PyObject_CallMethod(py_comp, | |
1562 | "_consume", NULL); | |
1563 | ||
1564 | status = bt_py3_exc_to_self_component_status(); | |
1565 | if (!py_method_result && status == BT_SELF_COMPONENT_STATUS_OK) { | |
1566 | /* Pretty sure this should never happen, but just in case */ | |
1567 | BT_LOGE("User's _consume() method failed without raising an exception: " | |
1568 | "status=%d", status); | |
1569 | status = BT_SELF_COMPONENT_STATUS_ERROR; | |
1570 | } | |
1571 | ||
1572 | Py_XDECREF(py_method_result); | |
1573 | return status; | |
1574 | } | |
1575 | ||
1576 | static | |
1577 | int bt_py3_component_class_set_help_and_desc( | |
1578 | bt_component_class *component_class, | |
1579 | const char *description, const char *help) | |
1580 | { | |
1581 | int ret; | |
1582 | ||
1583 | if (description) { | |
1584 | ret = bt_component_class_set_description(component_class, description); | |
1585 | if (ret) { | |
1586 | BT_LOGE("Cannot set component class's description: " | |
1587 | "comp-cls-addr=%p", component_class); | |
1588 | goto end; | |
1589 | } | |
1590 | } | |
1591 | ||
1592 | if (help) { | |
1593 | ret = bt_component_class_set_help(component_class, help); | |
1594 | if (ret) { | |
1595 | BT_LOGE("Cannot set component class's help text: " | |
1596 | "comp-cls-addr=%p", component_class); | |
1597 | goto end; | |
1598 | } | |
1599 | } | |
1600 | ||
1601 | ret = 0; | |
1602 | ||
1603 | end: | |
1604 | return ret; | |
1605 | } | |
1606 | ||
1607 | static | |
1608 | bt_component_class_source *bt_py3_component_class_source_create( | |
1609 | PyObject *py_cls, const char *name, const char *description, | |
1610 | const char *help) | |
1611 | { | |
1612 | bt_component_class_source *component_class_source; | |
1613 | bt_component_class *component_class; | |
1614 | int ret; | |
1615 | ||
1616 | BT_ASSERT(py_cls); | |
1617 | ||
1618 | component_class_source = bt_component_class_source_create(name, | |
1619 | bt_py3_component_class_message_iterator_next); | |
1620 | if (!component_class_source) { | |
1621 | BT_LOGE_STR("Cannot create source component class."); | |
1622 | goto end; | |
1623 | } | |
1624 | ||
1625 | component_class = bt_component_class_source_as_component_class(component_class_source); | |
1626 | ||
1627 | if (bt_py3_component_class_set_help_and_desc(component_class, description, help)) { | |
1628 | goto end; | |
1629 | } | |
1630 | ||
1631 | ret = bt_component_class_source_set_init_method(component_class_source, bt_py3_component_class_source_init); | |
1632 | BT_ASSERT(ret == 0); | |
1633 | ret = bt_component_class_source_set_finalize_method (component_class_source, bt_py3_component_class_source_finalize); | |
1634 | BT_ASSERT(ret == 0); | |
1635 | ret = bt_component_class_source_set_accept_output_port_connection_method(component_class_source, | |
1636 | bt_py3_component_class_source_accept_output_port_connection); | |
1637 | BT_ASSERT(ret == 0); | |
1638 | ret = bt_component_class_source_set_output_port_connected_method(component_class_source, | |
1639 | bt_py3_component_class_source_output_port_connected); | |
1640 | BT_ASSERT(ret == 0); | |
1641 | ret = bt_component_class_source_set_query_method(component_class_source, bt_py3_component_class_source_query); | |
1642 | BT_ASSERT(ret == 0); | |
1643 | ret = bt_component_class_source_set_message_iterator_init_method( | |
1644 | component_class_source, bt_py3_component_class_source_message_iterator_init); | |
1645 | BT_ASSERT(ret == 0); | |
1646 | ret = bt_component_class_source_set_message_iterator_finalize_method( | |
1647 | component_class_source, bt_py3_component_class_message_iterator_finalize); | |
1648 | BT_ASSERT(ret == 0); | |
1649 | ||
1650 | register_cc_ptr_to_py_cls(component_class, py_cls); | |
1651 | ||
1652 | end: | |
1653 | return component_class_source; | |
1654 | } | |
1655 | ||
1656 | static | |
1657 | bt_component_class_filter *bt_py3_component_class_filter_create( | |
1658 | PyObject *py_cls, const char *name, const char *description, | |
1659 | const char *help) | |
1660 | { | |
1661 | bt_component_class *component_class; | |
1662 | bt_component_class_filter *component_class_filter; | |
1663 | int ret; | |
1664 | ||
1665 | BT_ASSERT(py_cls); | |
1666 | ||
1667 | component_class_filter = bt_component_class_filter_create(name, | |
1668 | bt_py3_component_class_message_iterator_next); | |
1669 | if (!component_class_filter) { | |
1670 | BT_LOGE_STR("Cannot create filter component class."); | |
1671 | goto end; | |
1672 | } | |
1673 | ||
1674 | component_class = bt_component_class_filter_as_component_class(component_class_filter); | |
1675 | ||
1676 | if (bt_py3_component_class_set_help_and_desc(component_class, description, help)) { | |
1677 | goto end; | |
1678 | } | |
1679 | ||
1680 | ret = bt_component_class_filter_set_init_method(component_class_filter, bt_py3_component_class_filter_init); | |
1681 | BT_ASSERT(ret == 0); | |
1682 | ret = bt_component_class_filter_set_finalize_method (component_class_filter, bt_py3_component_class_filter_finalize); | |
1683 | BT_ASSERT(ret == 0); | |
1684 | ret = bt_component_class_filter_set_accept_input_port_connection_method(component_class_filter, | |
1685 | bt_py3_component_class_filter_accept_input_port_connection); | |
1686 | BT_ASSERT(ret == 0); | |
1687 | ret = bt_component_class_filter_set_accept_output_port_connection_method(component_class_filter, | |
1688 | bt_py3_component_class_filter_accept_output_port_connection); | |
1689 | BT_ASSERT(ret == 0); | |
1690 | ret = bt_component_class_filter_set_input_port_connected_method(component_class_filter, | |
1691 | bt_py3_component_class_filter_input_port_connected); | |
1692 | BT_ASSERT(ret == 0); | |
1693 | ret = bt_component_class_filter_set_output_port_connected_method(component_class_filter, | |
1694 | bt_py3_component_class_filter_output_port_connected); | |
1695 | BT_ASSERT(ret == 0); | |
1696 | ret = bt_component_class_filter_set_query_method(component_class_filter, bt_py3_component_class_filter_query); | |
1697 | BT_ASSERT(ret == 0); | |
1698 | ret = bt_component_class_filter_set_message_iterator_init_method( | |
1699 | component_class_filter, bt_py3_component_class_filter_message_iterator_init); | |
1700 | BT_ASSERT(ret == 0); | |
1701 | ret = bt_component_class_filter_set_message_iterator_finalize_method( | |
1702 | component_class_filter, bt_py3_component_class_message_iterator_finalize); | |
1703 | BT_ASSERT(ret == 0); | |
1704 | ||
1705 | register_cc_ptr_to_py_cls(component_class, py_cls); | |
1706 | ||
1707 | end: | |
1708 | return component_class_filter; | |
1709 | } | |
1710 | ||
1711 | static | |
1712 | bt_component_class_sink *bt_py3_component_class_sink_create( | |
1713 | PyObject *py_cls, const char *name, const char *description, | |
1714 | const char *help) | |
1715 | { | |
1716 | bt_component_class_sink *component_class_sink; | |
1717 | bt_component_class *component_class; | |
1718 | int ret; | |
1719 | ||
1720 | BT_ASSERT(py_cls); | |
1721 | ||
1722 | component_class_sink = bt_component_class_sink_create(name, bt_py3_component_class_sink_consume); | |
1723 | ||
1724 | if (!component_class_sink) { | |
1725 | BT_LOGE_STR("Cannot create sink component class."); | |
1726 | goto end; | |
1727 | } | |
1728 | ||
1729 | component_class = bt_component_class_sink_as_component_class(component_class_sink); | |
1730 | ||
1731 | if (bt_py3_component_class_set_help_and_desc(component_class, description, help)) { | |
1732 | goto end; | |
1733 | } | |
1734 | ||
1735 | ret = bt_component_class_sink_set_init_method(component_class_sink, bt_py3_component_class_sink_init); | |
1736 | BT_ASSERT(ret == 0); | |
1737 | ret = bt_component_class_sink_set_finalize_method(component_class_sink, bt_py3_component_class_sink_finalize); | |
1738 | BT_ASSERT(ret == 0); | |
1739 | ret = bt_component_class_sink_set_accept_input_port_connection_method(component_class_sink, | |
1740 | bt_py3_component_class_sink_accept_input_port_connection); | |
1741 | BT_ASSERT(ret == 0); | |
1742 | ret = bt_component_class_sink_set_input_port_connected_method(component_class_sink, | |
1743 | bt_py3_component_class_sink_input_port_connected); | |
1744 | BT_ASSERT(ret == 0); | |
1745 | ret = bt_component_class_sink_set_graph_is_configured_method(component_class_sink, | |
1746 | bt_py3_component_class_sink_graph_is_configured); | |
1747 | BT_ASSERT(ret == 0); | |
1748 | ret = bt_component_class_sink_set_query_method(component_class_sink, bt_py3_component_class_sink_query); | |
1749 | BT_ASSERT(ret == 0); | |
1750 | ||
1751 | register_cc_ptr_to_py_cls(component_class, py_cls); | |
1752 | ||
1753 | end: | |
1754 | return component_class_sink; | |
1755 | } | |
1756 | %} | |
1757 | ||
1758 | struct bt_component_class_source *bt_py3_component_class_source_create( | |
1759 | PyObject *py_cls, const char *name, const char *description, | |
1760 | const char *help); | |
1761 | struct bt_component_class_filter *bt_py3_component_class_filter_create( | |
1762 | PyObject *py_cls, const char *name, const char *description, | |
1763 | const char *help); | |
1764 | struct bt_component_class_sink *bt_py3_component_class_sink_create( | |
1765 | PyObject *py_cls, const char *name, const char *description, | |
1766 | const char *help); | |
1767 | void bt_py3_cc_init_from_bt2(void); | |
1768 | void bt_py3_cc_exit_handler(void); |