| 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 | /* Output argument typemap for connection output (always appends) */ |
| 26 | %typemap(in, numinputs=0) |
| 27 | (const bt_connection **BTOUTCONN) |
| 28 | (bt_connection *temp_conn = NULL) { |
| 29 | $1 = &temp_conn; |
| 30 | } |
| 31 | |
| 32 | %typemap(argout) |
| 33 | (const bt_connection **BTOUTCONN) { |
| 34 | if (*$1) { |
| 35 | /* SWIG_Python_AppendOutput() steals the created object */ |
| 36 | $result = SWIG_Python_AppendOutput($result, |
| 37 | SWIG_NewPointerObj(SWIG_as_voidptr(*$1), |
| 38 | SWIGTYPE_p_bt_connection, 0)); |
| 39 | } else { |
| 40 | /* SWIG_Python_AppendOutput() steals Py_None */ |
| 41 | Py_INCREF(Py_None); |
| 42 | $result = SWIG_Python_AppendOutput($result, Py_None); |
| 43 | } |
| 44 | } |
| 45 | |
| 46 | /* Output argument typemap for component output (always appends) */ |
| 47 | %typemap(in, numinputs=0) |
| 48 | (const bt_component_source **OUT) |
| 49 | (bt_component_source *temp_comp = NULL) { |
| 50 | $1 = &temp_comp; |
| 51 | } |
| 52 | |
| 53 | %typemap(in, numinputs=0) |
| 54 | (const bt_component_filter **OUT) |
| 55 | (bt_component_filter *temp_comp = NULL) { |
| 56 | $1 = &temp_comp; |
| 57 | } |
| 58 | |
| 59 | %typemap(in, numinputs=0) |
| 60 | (const bt_component_sink **OUT) |
| 61 | (bt_component_sink *temp_comp = NULL) { |
| 62 | $1 = &temp_comp; |
| 63 | } |
| 64 | |
| 65 | %typemap(argout) (const bt_component_source **OUT) { |
| 66 | if (*$1) { |
| 67 | /* SWIG_Python_AppendOutput() steals the created object */ |
| 68 | $result = SWIG_Python_AppendOutput($result, |
| 69 | SWIG_NewPointerObj(SWIG_as_voidptr(*$1), |
| 70 | SWIGTYPE_p_bt_component_source, 0)); |
| 71 | } else { |
| 72 | /* SWIG_Python_AppendOutput() steals Py_None */ |
| 73 | Py_INCREF(Py_None); |
| 74 | $result = SWIG_Python_AppendOutput($result, Py_None); |
| 75 | } |
| 76 | } |
| 77 | |
| 78 | %typemap(argout) (const bt_component_filter **OUT) { |
| 79 | if (*$1) { |
| 80 | /* SWIG_Python_AppendOutput() steals the created object */ |
| 81 | $result = SWIG_Python_AppendOutput($result, |
| 82 | SWIG_NewPointerObj(SWIG_as_voidptr(*$1), |
| 83 | SWIGTYPE_p_bt_component_filter, 0)); |
| 84 | } else { |
| 85 | /* SWIG_Python_AppendOutput() steals Py_None */ |
| 86 | Py_INCREF(Py_None); |
| 87 | $result = SWIG_Python_AppendOutput($result, Py_None); |
| 88 | } |
| 89 | } |
| 90 | |
| 91 | %typemap(argout) (const bt_component_sink **OUT) { |
| 92 | if (*$1) { |
| 93 | /* SWIG_Python_AppendOutput() steals the created object */ |
| 94 | $result = SWIG_Python_AppendOutput($result, |
| 95 | SWIG_NewPointerObj(SWIG_as_voidptr(*$1), |
| 96 | SWIGTYPE_p_bt_component_sink, 0)); |
| 97 | } else { |
| 98 | /* SWIG_Python_AppendOutput() steals Py_None */ |
| 99 | Py_INCREF(Py_None); |
| 100 | $result = SWIG_Python_AppendOutput($result, Py_None); |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | /* From graph-const.h */ |
| 105 | |
| 106 | typedef enum bt_graph_status { |
| 107 | BT_GRAPH_STATUS_OK = 0, |
| 108 | BT_GRAPH_STATUS_END = 1, |
| 109 | BT_GRAPH_STATUS_AGAIN = 11, |
| 110 | BT_GRAPH_STATUS_COMPONENT_REFUSES_PORT_CONNECTION = 111, |
| 111 | BT_GRAPH_STATUS_CANCELED = 125, |
| 112 | BT_GRAPH_STATUS_ERROR = -1, |
| 113 | BT_GRAPH_STATUS_NOMEM = -12, |
| 114 | } bt_graph_status; |
| 115 | |
| 116 | extern bt_bool bt_graph_is_canceled(const bt_graph *graph); |
| 117 | |
| 118 | extern void bt_graph_get_ref(const bt_graph *graph); |
| 119 | |
| 120 | extern void bt_graph_put_ref(const bt_graph *graph); |
| 121 | |
| 122 | /* From graph.h */ |
| 123 | |
| 124 | typedef void (*bt_graph_filter_component_input_port_added_listener_func)( |
| 125 | const bt_component_filter *component, |
| 126 | const bt_port_input *port, void *data); |
| 127 | |
| 128 | typedef void (*bt_graph_sink_component_input_port_added_listener_func)( |
| 129 | const bt_component_sink *component, |
| 130 | const bt_port_input *port, void *data); |
| 131 | |
| 132 | typedef void (*bt_graph_source_component_output_port_added_listener_func)( |
| 133 | const bt_component_source *component, |
| 134 | const bt_port_output *port, void *data); |
| 135 | |
| 136 | typedef void (*bt_graph_filter_component_output_port_added_listener_func)( |
| 137 | const bt_component_filter *component, |
| 138 | const bt_port_output *port, void *data); |
| 139 | |
| 140 | typedef void (*bt_graph_source_filter_component_ports_connected_listener_func)( |
| 141 | const bt_component_source *source_component, |
| 142 | const bt_component_filter *filter_component, |
| 143 | const bt_port_output *upstream_port, |
| 144 | const bt_port_input *downstream_port, void *data); |
| 145 | |
| 146 | typedef void (*bt_graph_source_sink_component_ports_connected_listener_func)( |
| 147 | const bt_component_source *source_component, |
| 148 | const bt_component_sink *sink_component, |
| 149 | const bt_port_output *upstream_port, |
| 150 | const bt_port_input *downstream_port, void *data); |
| 151 | |
| 152 | typedef void (*bt_graph_filter_filter_component_ports_connected_listener_func)( |
| 153 | const bt_component_filter *filter_component_upstream, |
| 154 | const bt_component_filter *filter_component_downstream, |
| 155 | const bt_port_output *upstream_port, |
| 156 | const bt_port_input *downstream_port, |
| 157 | void *data); |
| 158 | |
| 159 | typedef void (*bt_graph_filter_sink_component_ports_connected_listener_func)( |
| 160 | const bt_component_filter *filter_component, |
| 161 | const bt_component_sink *sink_component, |
| 162 | const bt_port_output *upstream_port, |
| 163 | const bt_port_input *downstream_port, void *data); |
| 164 | |
| 165 | typedef void (* bt_graph_listener_removed_func)(void *data); |
| 166 | |
| 167 | extern bt_graph *bt_graph_create(void); |
| 168 | |
| 169 | extern bt_graph_status bt_graph_add_source_component(bt_graph *graph, |
| 170 | const bt_component_class_source *component_class, |
| 171 | const char *name, const bt_value *params, |
| 172 | const bt_component_source **OUT); |
| 173 | |
| 174 | extern bt_graph_status bt_graph_add_source_component_with_init_method_data( |
| 175 | bt_graph *graph, |
| 176 | const bt_component_class_source *component_class, |
| 177 | const char *name, const bt_value *params, |
| 178 | void *init_method_data, |
| 179 | const bt_component_source **OUT); |
| 180 | |
| 181 | extern bt_graph_status bt_graph_add_filter_component(bt_graph *graph, |
| 182 | const bt_component_class_filter *component_class, |
| 183 | const char *name, const bt_value *params, |
| 184 | const bt_component_filter **OUT); |
| 185 | |
| 186 | extern bt_graph_status bt_graph_add_filter_component_with_init_method_data( |
| 187 | bt_graph *graph, |
| 188 | const bt_component_class_filter *component_class, |
| 189 | const char *name, const bt_value *params, |
| 190 | void *init_method_data, |
| 191 | const bt_component_filter **OUT); |
| 192 | |
| 193 | extern bt_graph_status bt_graph_add_sink_component( |
| 194 | bt_graph *graph, const bt_component_class_sink *component_class, |
| 195 | const char *name, const bt_value *params, |
| 196 | const bt_component_sink **OUT); |
| 197 | |
| 198 | extern bt_graph_status bt_graph_add_sink_component_with_init_method_data( |
| 199 | bt_graph *graph, const bt_component_class_sink *component_class, |
| 200 | const char *name, const bt_value *params, |
| 201 | void *init_method_data, |
| 202 | const bt_component_sink **OUT); |
| 203 | |
| 204 | extern bt_graph_status bt_graph_connect_ports(bt_graph *graph, |
| 205 | const bt_port_output *upstream, |
| 206 | const bt_port_input *downstream, |
| 207 | const bt_connection **BTOUTCONN); |
| 208 | |
| 209 | extern bt_graph_status bt_graph_run(bt_graph *graph); |
| 210 | |
| 211 | extern bt_graph_status bt_graph_consume(bt_graph *graph); |
| 212 | |
| 213 | extern bt_graph_status bt_graph_add_filter_component_input_port_added_listener( |
| 214 | bt_graph *graph, |
| 215 | bt_graph_filter_component_input_port_added_listener_func listener, |
| 216 | bt_graph_listener_removed_func listener_removed, void *data, |
| 217 | int *listener_id); |
| 218 | |
| 219 | extern bt_graph_status bt_graph_add_sink_component_input_port_added_listener( |
| 220 | bt_graph *graph, |
| 221 | bt_graph_sink_component_input_port_added_listener_func listener, |
| 222 | bt_graph_listener_removed_func listener_removed, void *data, |
| 223 | int *listener_id); |
| 224 | |
| 225 | extern bt_graph_status bt_graph_add_source_component_output_port_added_listener( |
| 226 | bt_graph *graph, |
| 227 | bt_graph_source_component_output_port_added_listener_func listener, |
| 228 | bt_graph_listener_removed_func listener_removed, void *data, |
| 229 | int *listener_id); |
| 230 | |
| 231 | extern bt_graph_status bt_graph_add_filter_component_output_port_added_listener( |
| 232 | bt_graph *graph, |
| 233 | bt_graph_filter_component_output_port_added_listener_func listener, |
| 234 | bt_graph_listener_removed_func listener_removed, void *data, |
| 235 | int *listener_id); |
| 236 | |
| 237 | extern bt_graph_status |
| 238 | bt_graph_add_source_filter_component_ports_connected_listener( |
| 239 | bt_graph *graph, |
| 240 | bt_graph_source_filter_component_ports_connected_listener_func listener, |
| 241 | bt_graph_listener_removed_func listener_removed, void *data, |
| 242 | int *listener_id); |
| 243 | |
| 244 | extern bt_graph_status |
| 245 | bt_graph_add_filter_filter_component_ports_connected_listener( |
| 246 | bt_graph *graph, |
| 247 | bt_graph_filter_filter_component_ports_connected_listener_func listener, |
| 248 | bt_graph_listener_removed_func listener_removed, void *data, |
| 249 | int *listener_id); |
| 250 | |
| 251 | extern bt_graph_status |
| 252 | bt_graph_add_source_sink_component_ports_connected_listener( |
| 253 | bt_graph *graph, |
| 254 | bt_graph_source_sink_component_ports_connected_listener_func listener, |
| 255 | bt_graph_listener_removed_func listener_removed, void *data, |
| 256 | int *listener_id); |
| 257 | |
| 258 | extern bt_graph_status |
| 259 | bt_graph_add_filter_sink_component_ports_connected_listener( |
| 260 | bt_graph *graph, |
| 261 | bt_graph_filter_sink_component_ports_connected_listener_func listener, |
| 262 | bt_graph_listener_removed_func listener_removed, void *data, |
| 263 | int *listener_id); |
| 264 | |
| 265 | extern bt_graph_status bt_graph_cancel(bt_graph *graph); |
| 266 | |
| 267 | /* Helper functions for Python */ |
| 268 | |
| 269 | %{ |
| 270 | |
| 271 | static void graph_listener_removed(void *py_callable) |
| 272 | { |
| 273 | BT_ASSERT(py_callable); |
| 274 | Py_DECREF(py_callable); |
| 275 | } |
| 276 | |
| 277 | static void |
| 278 | port_added_listener( |
| 279 | const void *component, |
| 280 | swig_type_info *component_swig_type, |
| 281 | bt_component_class_type component_class_type, |
| 282 | const void *port, |
| 283 | swig_type_info *port_swig_type, |
| 284 | bt_port_type port_type, |
| 285 | void *py_callable) |
| 286 | { |
| 287 | PyObject *py_component_ptr = NULL; |
| 288 | PyObject *py_port_ptr = NULL; |
| 289 | PyObject *py_res = NULL; |
| 290 | |
| 291 | py_component_ptr = SWIG_NewPointerObj(SWIG_as_voidptr(component), component_swig_type, 0); |
| 292 | if (!py_component_ptr) { |
| 293 | BT_LOGF_STR("Failed to create component SWIG pointer object."); |
| 294 | goto end; |
| 295 | } |
| 296 | |
| 297 | py_port_ptr = SWIG_NewPointerObj(SWIG_as_voidptr(port), port_swig_type, 0); |
| 298 | if (!py_port_ptr) { |
| 299 | BT_LOGF_STR("Failed to create port SWIG pointer object."); |
| 300 | goto end; |
| 301 | } |
| 302 | |
| 303 | py_res = PyObject_CallFunction(py_callable, "(OiOi)", |
| 304 | py_component_ptr, component_class_type, py_port_ptr, port_type); |
| 305 | if (!py_res) { |
| 306 | bt2_py_loge_exception(); |
| 307 | PyErr_Clear(); |
| 308 | } else { |
| 309 | BT_ASSERT(py_res == Py_None); |
| 310 | } |
| 311 | |
| 312 | end: |
| 313 | Py_XDECREF(py_res); |
| 314 | Py_XDECREF(py_port_ptr); |
| 315 | Py_XDECREF(py_component_ptr); |
| 316 | } |
| 317 | |
| 318 | static void |
| 319 | source_component_output_port_added_listener(const bt_component_source *component_source, |
| 320 | const bt_port_output *port_output, void *py_callable) |
| 321 | { |
| 322 | port_added_listener( |
| 323 | component_source, SWIGTYPE_p_bt_component_source, BT_COMPONENT_CLASS_TYPE_SOURCE, |
| 324 | port_output, SWIGTYPE_p_bt_port_output, BT_PORT_TYPE_OUTPUT, py_callable); |
| 325 | } |
| 326 | |
| 327 | static void |
| 328 | filter_component_input_port_added_listener(const bt_component_filter *component_filter, |
| 329 | const bt_port_input *port_input, void *py_callable) |
| 330 | { |
| 331 | port_added_listener( |
| 332 | component_filter, SWIGTYPE_p_bt_component_filter, BT_COMPONENT_CLASS_TYPE_FILTER, |
| 333 | port_input, SWIGTYPE_p_bt_port_input, BT_PORT_TYPE_INPUT, py_callable); |
| 334 | } |
| 335 | |
| 336 | static void |
| 337 | filter_component_output_port_added_listener(const bt_component_filter *component_filter, |
| 338 | const bt_port_output *port_output, void *py_callable) |
| 339 | { |
| 340 | port_added_listener( |
| 341 | component_filter, SWIGTYPE_p_bt_component_filter, BT_COMPONENT_CLASS_TYPE_FILTER, |
| 342 | port_output, SWIGTYPE_p_bt_port_output, BT_PORT_TYPE_OUTPUT, py_callable); |
| 343 | } |
| 344 | |
| 345 | static void |
| 346 | sink_component_input_port_added_listener(const bt_component_sink *component_sink, |
| 347 | const bt_port_input *port_input, void *py_callable) |
| 348 | { |
| 349 | port_added_listener( |
| 350 | component_sink, SWIGTYPE_p_bt_component_sink, BT_COMPONENT_CLASS_TYPE_SINK, |
| 351 | port_input, SWIGTYPE_p_bt_port_input, BT_PORT_TYPE_INPUT, py_callable); |
| 352 | } |
| 353 | |
| 354 | static PyObject * |
| 355 | bt_py3_graph_add_port_added_listener(struct bt_graph *graph, |
| 356 | PyObject *py_callable) |
| 357 | { |
| 358 | PyObject *py_listener_ids = NULL; |
| 359 | PyObject *py_listener_id = NULL; |
| 360 | int listener_id; |
| 361 | bt_graph_status status; |
| 362 | |
| 363 | BT_ASSERT(graph); |
| 364 | BT_ASSERT(py_callable); |
| 365 | |
| 366 | /* |
| 367 | * Behind the scene, we will be registering 4 different listeners and |
| 368 | * return all of their ids. |
| 369 | */ |
| 370 | py_listener_ids = PyTuple_New(4); |
| 371 | if (!py_listener_ids) { |
| 372 | goto error; |
| 373 | } |
| 374 | |
| 375 | /* source output port */ |
| 376 | status = bt_graph_add_source_component_output_port_added_listener( |
| 377 | graph, source_component_output_port_added_listener, |
| 378 | graph_listener_removed, py_callable, &listener_id); |
| 379 | if (status != BT_GRAPH_STATUS_OK) { |
| 380 | goto error; |
| 381 | } |
| 382 | |
| 383 | py_listener_id = PyLong_FromLong(listener_id); |
| 384 | if (!py_listener_id) { |
| 385 | goto error; |
| 386 | } |
| 387 | |
| 388 | PyTuple_SET_ITEM(py_listener_ids, 0, py_listener_id); |
| 389 | py_listener_id = NULL; |
| 390 | |
| 391 | /* filter input port */ |
| 392 | status = bt_graph_add_filter_component_input_port_added_listener( |
| 393 | graph, filter_component_input_port_added_listener, |
| 394 | graph_listener_removed, py_callable, &listener_id); |
| 395 | if (status != BT_GRAPH_STATUS_OK) { |
| 396 | goto error; |
| 397 | } |
| 398 | |
| 399 | py_listener_id = PyLong_FromLong(listener_id); |
| 400 | if (!py_listener_id) { |
| 401 | goto error; |
| 402 | } |
| 403 | |
| 404 | PyTuple_SET_ITEM(py_listener_ids, 1, py_listener_id); |
| 405 | py_listener_id = NULL; |
| 406 | |
| 407 | /* filter output port */ |
| 408 | status = bt_graph_add_filter_component_output_port_added_listener( |
| 409 | graph, filter_component_output_port_added_listener, |
| 410 | graph_listener_removed, py_callable, &listener_id); |
| 411 | if (status != BT_GRAPH_STATUS_OK) { |
| 412 | goto error; |
| 413 | } |
| 414 | |
| 415 | py_listener_id = PyLong_FromLong(listener_id); |
| 416 | if (!py_listener_id) { |
| 417 | goto error; |
| 418 | } |
| 419 | |
| 420 | PyTuple_SET_ITEM(py_listener_ids, 2, py_listener_id); |
| 421 | py_listener_id = NULL; |
| 422 | |
| 423 | /* sink input port */ |
| 424 | status = bt_graph_add_sink_component_input_port_added_listener( |
| 425 | graph, sink_component_input_port_added_listener, |
| 426 | graph_listener_removed, py_callable, &listener_id); |
| 427 | if (status != BT_GRAPH_STATUS_OK) { |
| 428 | goto error; |
| 429 | } |
| 430 | |
| 431 | py_listener_id = PyLong_FromLong(listener_id); |
| 432 | if (!py_listener_id) { |
| 433 | goto error; |
| 434 | } |
| 435 | |
| 436 | |
| 437 | PyTuple_SET_ITEM(py_listener_ids, 3, py_listener_id); |
| 438 | py_listener_id = NULL; |
| 439 | |
| 440 | Py_INCREF(py_callable); |
| 441 | Py_INCREF(py_callable); |
| 442 | Py_INCREF(py_callable); |
| 443 | Py_INCREF(py_callable); |
| 444 | |
| 445 | goto end; |
| 446 | |
| 447 | error: |
| 448 | Py_XDECREF(py_listener_ids); |
| 449 | py_listener_ids = Py_None; |
| 450 | Py_INCREF(py_listener_ids); |
| 451 | |
| 452 | end: |
| 453 | |
| 454 | Py_XDECREF(py_listener_id); |
| 455 | return py_listener_ids; |
| 456 | } |
| 457 | |
| 458 | static void |
| 459 | ports_connected_listener(const bt_port_output *upstream_port, |
| 460 | const bt_port_input *downstream_port, |
| 461 | void *py_callable) |
| 462 | { |
| 463 | PyObject *py_upstream_port_ptr = NULL; |
| 464 | PyObject *py_downstream_port_ptr = NULL; |
| 465 | PyObject *py_res = NULL; |
| 466 | |
| 467 | py_upstream_port_ptr = SWIG_NewPointerObj( |
| 468 | SWIG_as_voidptr(upstream_port), SWIGTYPE_p_bt_port_output, 0); |
| 469 | if (!py_upstream_port_ptr) { |
| 470 | BT_LOGF_STR("Failed to create a SWIG pointer object."); |
| 471 | abort(); |
| 472 | } |
| 473 | |
| 474 | py_downstream_port_ptr = SWIG_NewPointerObj( |
| 475 | SWIG_as_voidptr(downstream_port), SWIGTYPE_p_bt_port_input, 0); |
| 476 | if (!py_downstream_port_ptr) { |
| 477 | BT_LOGF_STR("Failed to create a SWIG pointer object."); |
| 478 | abort(); |
| 479 | } |
| 480 | |
| 481 | py_res = PyObject_CallFunction(py_callable, "(OO)", |
| 482 | py_upstream_port_ptr, py_downstream_port_ptr); |
| 483 | if (!py_res) { |
| 484 | bt2_py_loge_exception(); |
| 485 | PyErr_Clear(); |
| 486 | } else { |
| 487 | BT_ASSERT(py_res == Py_None); |
| 488 | } |
| 489 | |
| 490 | Py_DECREF(py_upstream_port_ptr); |
| 491 | Py_DECREF(py_downstream_port_ptr); |
| 492 | Py_XDECREF(py_res); |
| 493 | } |
| 494 | |
| 495 | static void |
| 496 | source_filter_component_ports_connected_listener( |
| 497 | const bt_component_source *source_component, |
| 498 | const bt_component_filter *filter_component, |
| 499 | const bt_port_output *upstream_port, |
| 500 | const bt_port_input *downstream_port, void *py_callable) |
| 501 | { |
| 502 | ports_connected_listener(upstream_port, downstream_port, py_callable); |
| 503 | } |
| 504 | |
| 505 | static void |
| 506 | source_sink_component_ports_connected_listener( |
| 507 | const bt_component_source *source_component, |
| 508 | const bt_component_sink *sink_component, |
| 509 | const bt_port_output *upstream_port, |
| 510 | const bt_port_input *downstream_port, void *py_callable) |
| 511 | { |
| 512 | ports_connected_listener(upstream_port, downstream_port, py_callable); |
| 513 | } |
| 514 | |
| 515 | static void |
| 516 | filter_filter_component_ports_connected_listener( |
| 517 | const bt_component_filter *filter_component_left, |
| 518 | const bt_component_filter *filter_component_right, |
| 519 | const bt_port_output *upstream_port, |
| 520 | const bt_port_input *downstream_port, void *py_callable) |
| 521 | { |
| 522 | ports_connected_listener(upstream_port, downstream_port, py_callable); |
| 523 | } |
| 524 | |
| 525 | static void |
| 526 | filter_sink_component_ports_connected_listener( |
| 527 | const bt_component_filter *filter_component, |
| 528 | const bt_component_sink *sink_component, |
| 529 | const bt_port_output *upstream_port, |
| 530 | const bt_port_input *downstream_port, void *py_callable) |
| 531 | { |
| 532 | ports_connected_listener(upstream_port, downstream_port, py_callable); |
| 533 | } |
| 534 | |
| 535 | |
| 536 | static PyObject* |
| 537 | bt_py3_graph_add_ports_connected_listener(struct bt_graph *graph, |
| 538 | PyObject *py_callable) |
| 539 | { |
| 540 | PyObject *py_listener_ids = NULL; |
| 541 | PyObject *py_listener_id = NULL; |
| 542 | int listener_id; |
| 543 | bt_graph_status status; |
| 544 | |
| 545 | BT_ASSERT(graph); |
| 546 | BT_ASSERT(py_callable); |
| 547 | |
| 548 | /* Behind the scene, we will be registering 4 different listeners and |
| 549 | * return all of their ids. */ |
| 550 | py_listener_ids = PyTuple_New(4); |
| 551 | if (!py_listener_ids) { |
| 552 | goto error; |
| 553 | } |
| 554 | |
| 555 | /* source -> filter connection */ |
| 556 | status = bt_graph_add_source_filter_component_ports_connected_listener( |
| 557 | graph, source_filter_component_ports_connected_listener, |
| 558 | graph_listener_removed, py_callable, &listener_id); |
| 559 | if (status != BT_GRAPH_STATUS_OK) { |
| 560 | goto error; |
| 561 | } |
| 562 | |
| 563 | py_listener_id = PyLong_FromLong(listener_id); |
| 564 | if (!py_listener_id) { |
| 565 | goto error; |
| 566 | } |
| 567 | |
| 568 | PyTuple_SET_ITEM(py_listener_ids, 0, py_listener_id); |
| 569 | py_listener_id = NULL; |
| 570 | |
| 571 | /* source -> sink connection */ |
| 572 | status = bt_graph_add_source_sink_component_ports_connected_listener( |
| 573 | graph, source_sink_component_ports_connected_listener, |
| 574 | graph_listener_removed, py_callable, &listener_id); |
| 575 | if (status != BT_GRAPH_STATUS_OK) { |
| 576 | goto error; |
| 577 | } |
| 578 | |
| 579 | py_listener_id = PyLong_FromLong(listener_id); |
| 580 | if (!py_listener_id) { |
| 581 | goto error; |
| 582 | } |
| 583 | |
| 584 | PyTuple_SET_ITEM(py_listener_ids, 1, py_listener_id); |
| 585 | py_listener_id = NULL; |
| 586 | |
| 587 | /* filter -> filter connection */ |
| 588 | status = bt_graph_add_filter_filter_component_ports_connected_listener( |
| 589 | graph, filter_filter_component_ports_connected_listener, |
| 590 | graph_listener_removed, py_callable, &listener_id); |
| 591 | if (status != BT_GRAPH_STATUS_OK) { |
| 592 | goto error; |
| 593 | } |
| 594 | |
| 595 | py_listener_id = PyLong_FromLong(listener_id); |
| 596 | if (!py_listener_id) { |
| 597 | goto error; |
| 598 | } |
| 599 | |
| 600 | PyTuple_SET_ITEM(py_listener_ids, 2, py_listener_id); |
| 601 | py_listener_id = NULL; |
| 602 | |
| 603 | /* filter -> sink connection */ |
| 604 | status = bt_graph_add_filter_sink_component_ports_connected_listener( |
| 605 | graph, filter_sink_component_ports_connected_listener, |
| 606 | graph_listener_removed, py_callable, &listener_id); |
| 607 | if (status != BT_GRAPH_STATUS_OK) { |
| 608 | goto error; |
| 609 | } |
| 610 | |
| 611 | py_listener_id = PyLong_FromLong(listener_id); |
| 612 | if (!py_listener_id) { |
| 613 | goto error; |
| 614 | } |
| 615 | |
| 616 | PyTuple_SET_ITEM(py_listener_ids, 3, py_listener_id); |
| 617 | py_listener_id = NULL; |
| 618 | |
| 619 | Py_INCREF(py_callable); |
| 620 | Py_INCREF(py_callable); |
| 621 | Py_INCREF(py_callable); |
| 622 | Py_INCREF(py_callable); |
| 623 | |
| 624 | goto end; |
| 625 | |
| 626 | error: |
| 627 | Py_XDECREF(py_listener_ids); |
| 628 | py_listener_ids = Py_None; |
| 629 | Py_INCREF(py_listener_ids); |
| 630 | |
| 631 | end: |
| 632 | |
| 633 | Py_XDECREF(py_listener_id); |
| 634 | return py_listener_ids; |
| 635 | } |
| 636 | |
| 637 | %} |
| 638 | |
| 639 | PyObject *bt_py3_graph_add_port_added_listener(struct bt_graph *graph, |
| 640 | PyObject *py_callable); |
| 641 | PyObject *bt_py3_graph_add_ports_connected_listener(struct bt_graph *graph, |
| 642 | PyObject *py_callable); |