Commit | Line | Data |
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55bb57e0 | 1 | /* |
55bb57e0 PP |
2 | * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
3 | * Copyright 2017 Philippe Proulx <pproulx@efficios.com> | |
4 | * | |
5 | * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
6 | * | |
7 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
8 | * of this software and associated documentation files (the "Software"), to deal | |
9 | * in the Software without restriction, including without limitation the rights | |
10 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
11 | * copies of the Software, and to permit persons to whom the Software is | |
12 | * furnished to do so, subject to the following conditions: | |
13 | * | |
14 | * The above copyright notice and this permission notice shall be included in | |
15 | * all copies or substantial portions of the Software. | |
16 | * | |
17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
20 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
21 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
22 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
23 | * SOFTWARE. | |
24 | */ | |
25 | ||
3fe0bf43 PP |
26 | #define BT_LOG_TAG "PLUGIN-SO" |
27 | #include <babeltrace/lib-logging-internal.h> | |
28 | ||
3d9990ac | 29 | #include <babeltrace/compiler-internal.h> |
65300d60 | 30 | #include <babeltrace/object.h> |
55bb57e0 PP |
31 | #include <babeltrace/plugin/plugin-internal.h> |
32 | #include <babeltrace/plugin/plugin-so-internal.h> | |
33 | #include <babeltrace/plugin/plugin-dev.h> | |
34 | #include <babeltrace/plugin/plugin-internal.h> | |
b2e0c907 | 35 | #include <babeltrace/graph/component-class-internal.h> |
d94d92ac PP |
36 | #include <babeltrace/graph/private-component-class.h> |
37 | #include <babeltrace/graph/private-component-class-source.h> | |
38 | #include <babeltrace/graph/private-component-class-filter.h> | |
39 | #include <babeltrace/graph/private-component-class-sink.h> | |
c55a9f58 | 40 | #include <babeltrace/types.h> |
bfa9a4be | 41 | #include <babeltrace/list-internal.h> |
f6ccaed9 | 42 | #include <babeltrace/assert-internal.h> |
55bb57e0 | 43 | #include <string.h> |
0fbb9a9f | 44 | #include <stdlib.h> |
55bb57e0 PP |
45 | #include <glib.h> |
46 | #include <gmodule.h> | |
47 | ||
44a3451a | 48 | #define NATIVE_PLUGIN_SUFFIX "." G_MODULE_SUFFIX |
55bb57e0 PP |
49 | #define NATIVE_PLUGIN_SUFFIX_LEN sizeof(NATIVE_PLUGIN_SUFFIX) |
50 | #define LIBTOOL_PLUGIN_SUFFIX ".la" | |
51 | #define LIBTOOL_PLUGIN_SUFFIX_LEN sizeof(LIBTOOL_PLUGIN_SUFFIX) | |
52 | ||
53 | #define PLUGIN_SUFFIX_LEN max_t(size_t, sizeof(NATIVE_PLUGIN_SUFFIX), \ | |
54 | sizeof(LIBTOOL_PLUGIN_SUFFIX)) | |
55 | ||
52238017 | 56 | BT_PLUGIN_MODULE(); |
55bb57e0 PP |
57 | |
58 | /* | |
bfa9a4be MD |
59 | * This list, global to the library, keeps all component classes that |
60 | * have a reference to their shared library handles. It allows iteration | |
61 | * on all component classes still present when the destructor executes | |
62 | * to release the shared library handle references they might still have. | |
55bb57e0 | 63 | * |
bfa9a4be | 64 | * The list items are the component classes created with |
55bb57e0 PP |
65 | * bt_plugin_add_component_class(). They keep the shared library handle |
66 | * object created by their plugin alive so that the plugin's code is | |
67 | * not discarded when it could still be in use by living components | |
68 | * created from those component classes: | |
69 | * | |
bfa9a4be | 70 | * [component] --ref-> [component class]-> [shlib handle] |
55bb57e0 | 71 | * |
bfa9a4be | 72 | * It allows this use-case: |
55bb57e0 PP |
73 | * |
74 | * my_plugins = bt_plugin_create_all_from_file("/path/to/my-plugin.so"); | |
75 | * // instantiate components from a plugin's component classes | |
76 | * // put plugins and free my_plugins here | |
77 | * // user code of instantiated components still exists | |
78 | * | |
bfa9a4be MD |
79 | * An entry is removed from this list when a component class is |
80 | * destroyed thanks to a custom destroy listener. When the entry is | |
81 | * removed, the entry is removed from the list, and we release the | |
82 | * reference on the shlib handle. Assuming the original plugin object | |
83 | * which contained some component classes is put first, when the last | |
84 | * component class is removed from this list, the shared library handle | |
85 | * object's reference count falls to zero and the shared library is | |
86 | * finally closed. | |
55bb57e0 | 87 | */ |
bfa9a4be | 88 | |
55bb57e0 | 89 | static |
bfa9a4be | 90 | BT_LIST_HEAD(component_class_list); |
55bb57e0 PP |
91 | |
92 | __attribute__((destructor)) static | |
bfa9a4be MD |
93 | void fini_comp_class_list(void) |
94 | { | |
95 | struct bt_component_class *comp_class, *tmp; | |
96 | ||
97 | bt_list_for_each_entry_safe(comp_class, tmp, &component_class_list, node) { | |
98 | bt_list_del(&comp_class->node); | |
65300d60 | 99 | BT_OBJECT_PUT_REF_AND_RESET(comp_class->so_handle); |
55bb57e0 | 100 | } |
d94d92ac | 101 | |
bfa9a4be | 102 | BT_LOGD_STR("Released references from all component classes to shared library handles."); |
55bb57e0 PP |
103 | } |
104 | ||
105 | static | |
106 | void bt_plugin_so_shared_lib_handle_destroy(struct bt_object *obj) | |
107 | { | |
108 | struct bt_plugin_so_shared_lib_handle *shared_lib_handle; | |
109 | ||
f6ccaed9 | 110 | BT_ASSERT(obj); |
55bb57e0 PP |
111 | shared_lib_handle = container_of(obj, |
112 | struct bt_plugin_so_shared_lib_handle, base); | |
3fe0bf43 PP |
113 | const char *path = shared_lib_handle->path ? |
114 | shared_lib_handle->path->str : NULL; | |
115 | ||
116 | BT_LOGD("Destroying shared library handle: addr=%p, path=\"%s\"", | |
117 | shared_lib_handle, path); | |
55bb57e0 PP |
118 | |
119 | if (shared_lib_handle->init_called && shared_lib_handle->exit) { | |
3fe0bf43 | 120 | enum bt_plugin_status status; |
55bb57e0 | 121 | |
3fe0bf43 PP |
122 | BT_LOGD_STR("Calling user's plugin exit function."); |
123 | status = shared_lib_handle->exit(); | |
124 | BT_LOGD("User function returned: %s", | |
125 | bt_plugin_status_string(status)); | |
55bb57e0 | 126 | |
3fe0bf43 PP |
127 | if (status < 0) { |
128 | BT_LOGW("User's plugin exit function failed: " | |
129 | "path=\"%s\"", path); | |
55bb57e0 PP |
130 | } |
131 | } | |
132 | ||
133 | if (shared_lib_handle->module) { | |
f1447220 PP |
134 | #ifndef NDEBUG |
135 | /* | |
136 | * Valgrind shows incomplete stack traces when | |
137 | * dynamically loaded libraries are closed before it | |
138 | * finishes. Use the BABELTRACE_NO_DLCLOSE in a debug | |
139 | * build to avoid this. | |
140 | */ | |
141 | const char *var = getenv("BABELTRACE_NO_DLCLOSE"); | |
142 | ||
143 | if (!var || strcmp(var, "1") != 0) { | |
144 | #endif | |
3fe0bf43 PP |
145 | BT_LOGD("Closing GModule: path=\"%s\"", path); |
146 | ||
f1447220 | 147 | if (!g_module_close(shared_lib_handle->module)) { |
3fe0bf43 PP |
148 | BT_LOGE("Cannot close GModule: %s: path=\"%s\"", |
149 | g_module_error(), path); | |
f1447220 PP |
150 | } |
151 | #ifndef NDEBUG | |
3fe0bf43 PP |
152 | } else { |
153 | BT_LOGD("Not closing GModule because `BABELTRACE_NO_DLCLOSE=1`: " | |
154 | "path=\"%s\"", path); | |
55bb57e0 | 155 | } |
f1447220 | 156 | #endif |
55bb57e0 PP |
157 | } |
158 | ||
159 | if (shared_lib_handle->path) { | |
160 | g_string_free(shared_lib_handle->path, TRUE); | |
161 | } | |
162 | ||
163 | g_free(shared_lib_handle); | |
164 | } | |
165 | ||
166 | static | |
167 | struct bt_plugin_so_shared_lib_handle *bt_plugin_so_shared_lib_handle_create( | |
168 | const char *path) | |
169 | { | |
170 | struct bt_plugin_so_shared_lib_handle *shared_lib_handle = NULL; | |
171 | ||
3fe0bf43 | 172 | BT_LOGD("Creating shared library handle: path=\"%s\"", path); |
55bb57e0 PP |
173 | shared_lib_handle = g_new0(struct bt_plugin_so_shared_lib_handle, 1); |
174 | if (!shared_lib_handle) { | |
3fe0bf43 | 175 | BT_LOGE_STR("Failed to allocate one shared library handle."); |
55bb57e0 PP |
176 | goto error; |
177 | } | |
178 | ||
3fea54f6 PP |
179 | bt_object_init_shared(&shared_lib_handle->base, |
180 | bt_plugin_so_shared_lib_handle_destroy); | |
55bb57e0 PP |
181 | |
182 | if (!path) { | |
183 | goto end; | |
184 | } | |
185 | ||
186 | shared_lib_handle->path = g_string_new(path); | |
187 | if (!shared_lib_handle->path) { | |
3fe0bf43 | 188 | BT_LOGE_STR("Failed to allocate a GString."); |
55bb57e0 PP |
189 | goto error; |
190 | } | |
191 | ||
424b8c43 | 192 | shared_lib_handle->module = g_module_open(path, G_MODULE_BIND_LOCAL); |
55bb57e0 | 193 | if (!shared_lib_handle->module) { |
50ad9320 PP |
194 | /* |
195 | * DEBUG-level logging because we're only _trying_ to | |
196 | * open this file as a Babeltrace plugin: if it's not, | |
197 | * it's not an error. And because this can be tried | |
198 | * during bt_plugin_create_all_from_dir(), it's not even | |
199 | * a warning. | |
200 | */ | |
201 | BT_LOGD("Cannot open GModule: %s: path=\"%s\"", | |
3fe0bf43 | 202 | g_module_error(), path); |
55bb57e0 PP |
203 | goto error; |
204 | } | |
205 | ||
206 | goto end; | |
207 | ||
208 | error: | |
65300d60 | 209 | BT_OBJECT_PUT_REF_AND_RESET(shared_lib_handle); |
55bb57e0 PP |
210 | |
211 | end: | |
3fe0bf43 PP |
212 | if (shared_lib_handle) { |
213 | BT_LOGD("Created shared library handle: path=\"%s\", addr=%p", | |
214 | path, shared_lib_handle); | |
215 | } | |
216 | ||
55bb57e0 PP |
217 | return shared_lib_handle; |
218 | } | |
219 | ||
6fbd4105 | 220 | static |
55bb57e0 PP |
221 | void bt_plugin_so_destroy_spec_data(struct bt_plugin *plugin) |
222 | { | |
223 | struct bt_plugin_so_spec_data *spec = plugin->spec_data; | |
224 | ||
225 | if (!plugin->spec_data) { | |
226 | return; | |
227 | } | |
228 | ||
f6ccaed9 PP |
229 | BT_ASSERT(plugin->type == BT_PLUGIN_TYPE_SO); |
230 | BT_ASSERT(spec); | |
65300d60 | 231 | BT_OBJECT_PUT_REF_AND_RESET(spec->shared_lib_handle); |
55bb57e0 PP |
232 | g_free(plugin->spec_data); |
233 | plugin->spec_data = NULL; | |
234 | } | |
235 | ||
236 | /* | |
237 | * This function does the following: | |
238 | * | |
239 | * 1. Iterate on the plugin descriptor attributes section and set the | |
240 | * plugin's attributes depending on the attribute types. This | |
241 | * includes the name of the plugin, its description, and its | |
242 | * initialization function, for example. | |
243 | * | |
244 | * 2. Iterate on the component class descriptors section and create one | |
245 | * "full descriptor" (temporary structure) for each one that is found | |
246 | * and attached to our plugin descriptor. | |
247 | * | |
248 | * 3. Iterate on the component class descriptor attributes section and | |
249 | * set the corresponding full descriptor's attributes depending on | |
250 | * the attribute types. This includes the description of the | |
251 | * component class, as well as its initialization and destroy | |
252 | * methods. | |
253 | * | |
254 | * 4. Call the user's plugin initialization function, if any is | |
255 | * defined. | |
256 | * | |
257 | * 5. For each full component class descriptor, create a component class | |
258 | * object, set its optional attributes, and add it to the plugin | |
259 | * object. | |
260 | * | |
261 | * 6. Freeze the plugin object. | |
262 | */ | |
263 | static | |
264 | enum bt_plugin_status bt_plugin_so_init( | |
265 | struct bt_plugin *plugin, | |
266 | const struct __bt_plugin_descriptor *descriptor, | |
267 | struct __bt_plugin_descriptor_attribute const * const *attrs_begin, | |
268 | struct __bt_plugin_descriptor_attribute const * const *attrs_end, | |
269 | struct __bt_plugin_component_class_descriptor const * const *cc_descriptors_begin, | |
270 | struct __bt_plugin_component_class_descriptor const * const *cc_descriptors_end, | |
271 | struct __bt_plugin_component_class_descriptor_attribute const * const *cc_descr_attrs_begin, | |
272 | struct __bt_plugin_component_class_descriptor_attribute const * const *cc_descr_attrs_end) | |
273 | { | |
274 | /* | |
275 | * This structure's members point to the plugin's memory | |
276 | * (do NOT free). | |
277 | */ | |
278 | struct comp_class_full_descriptor { | |
279 | const struct __bt_plugin_component_class_descriptor *descriptor; | |
280 | const char *description; | |
279b3f15 | 281 | const char *help; |
d94d92ac PP |
282 | |
283 | union { | |
284 | struct { | |
285 | bt_private_component_class_source_init_method init; | |
286 | bt_private_component_class_source_finalize_method finalize; | |
287 | bt_private_component_class_source_query_method query; | |
288 | bt_private_component_class_source_accept_output_port_connection_method accept_output_port_connection; | |
289 | bt_private_component_class_source_output_port_connected_method output_port_connected; | |
290 | bt_private_component_class_source_output_port_disconnected_method output_port_disconnected; | |
291 | bt_private_component_class_source_notification_iterator_init_method notif_iter_init; | |
292 | bt_private_component_class_source_notification_iterator_finalize_method notif_iter_finalize; | |
293 | } source; | |
294 | ||
295 | struct { | |
296 | bt_private_component_class_filter_init_method init; | |
297 | bt_private_component_class_filter_finalize_method finalize; | |
298 | bt_private_component_class_filter_query_method query; | |
299 | bt_private_component_class_filter_accept_input_port_connection_method accept_input_port_connection; | |
300 | bt_private_component_class_filter_accept_output_port_connection_method accept_output_port_connection; | |
301 | bt_private_component_class_filter_input_port_connected_method input_port_connected; | |
302 | bt_private_component_class_filter_output_port_connected_method output_port_connected; | |
303 | bt_private_component_class_filter_input_port_disconnected_method input_port_disconnected; | |
304 | bt_private_component_class_filter_output_port_disconnected_method output_port_disconnected; | |
305 | bt_private_component_class_filter_notification_iterator_init_method notif_iter_init; | |
306 | bt_private_component_class_filter_notification_iterator_finalize_method notif_iter_finalize; | |
307 | } filter; | |
308 | ||
309 | struct { | |
310 | bt_private_component_class_sink_init_method init; | |
311 | bt_private_component_class_sink_finalize_method finalize; | |
312 | bt_private_component_class_sink_query_method query; | |
313 | bt_private_component_class_sink_accept_input_port_connection_method accept_input_port_connection; | |
314 | bt_private_component_class_sink_input_port_connected_method input_port_connected; | |
315 | bt_private_component_class_sink_input_port_disconnected_method input_port_disconnected; | |
316 | } sink; | |
317 | } methods; | |
55bb57e0 PP |
318 | }; |
319 | ||
320 | enum bt_plugin_status status = BT_PLUGIN_STATUS_OK; | |
321 | struct __bt_plugin_descriptor_attribute const * const *cur_attr_ptr; | |
322 | struct __bt_plugin_component_class_descriptor const * const *cur_cc_descr_ptr; | |
323 | struct __bt_plugin_component_class_descriptor_attribute const * const *cur_cc_descr_attr_ptr; | |
324 | struct bt_plugin_so_spec_data *spec = plugin->spec_data; | |
325 | GArray *comp_class_full_descriptors; | |
326 | size_t i; | |
327 | int ret; | |
328 | ||
3fe0bf43 PP |
329 | BT_LOGD("Initializing plugin object from descriptors found in sections: " |
330 | "plugin-addr=%p, plugin-path=\"%s\", " | |
331 | "attrs-begin-addr=%p, attrs-end-addr=%p, " | |
332 | "cc-descr-begin-addr=%p, cc-descr-end-addr=%p, " | |
333 | "cc-descr-attrs-begin-addr=%p, cc-descr-attrs-end-addr=%p", | |
334 | plugin, | |
335 | spec->shared_lib_handle->path ? | |
336 | spec->shared_lib_handle->path->str : NULL, | |
337 | attrs_begin, attrs_end, | |
338 | cc_descriptors_begin, cc_descriptors_end, | |
339 | cc_descr_attrs_begin, cc_descr_attrs_end); | |
55bb57e0 PP |
340 | comp_class_full_descriptors = g_array_new(FALSE, TRUE, |
341 | sizeof(struct comp_class_full_descriptor)); | |
342 | if (!comp_class_full_descriptors) { | |
3fe0bf43 | 343 | BT_LOGE_STR("Failed to allocate a GArray."); |
55bb57e0 PP |
344 | status = BT_PLUGIN_STATUS_ERROR; |
345 | goto end; | |
346 | } | |
347 | ||
348 | /* Set mandatory attributes */ | |
349 | spec->descriptor = descriptor; | |
350 | bt_plugin_set_name(plugin, descriptor->name); | |
351 | ||
352 | /* | |
353 | * Find and set optional attributes attached to this plugin | |
354 | * descriptor. | |
355 | */ | |
356 | for (cur_attr_ptr = attrs_begin; cur_attr_ptr != attrs_end; cur_attr_ptr++) { | |
357 | const struct __bt_plugin_descriptor_attribute *cur_attr = | |
358 | *cur_attr_ptr; | |
359 | ||
52238017 MJ |
360 | if (cur_attr == NULL) { |
361 | continue; | |
362 | } | |
363 | ||
55bb57e0 PP |
364 | if (cur_attr->plugin_descriptor != descriptor) { |
365 | continue; | |
366 | } | |
367 | ||
368 | switch (cur_attr->type) { | |
369 | case BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_INIT: | |
370 | spec->init = cur_attr->value.init; | |
371 | break; | |
372 | case BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_EXIT: | |
373 | spec->shared_lib_handle->exit = cur_attr->value.exit; | |
374 | break; | |
375 | case BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_AUTHOR: | |
376 | bt_plugin_set_author(plugin, cur_attr->value.author); | |
377 | break; | |
378 | case BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_LICENSE: | |
379 | bt_plugin_set_license(plugin, cur_attr->value.license); | |
380 | break; | |
381 | case BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION: | |
382 | bt_plugin_set_description(plugin, cur_attr->value.description); | |
383 | break; | |
384 | case BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_VERSION: | |
385 | bt_plugin_set_version(plugin, | |
386 | (unsigned int) cur_attr->value.version.major, | |
387 | (unsigned int) cur_attr->value.version.minor, | |
388 | (unsigned int) cur_attr->value.version.patch, | |
389 | cur_attr->value.version.extra); | |
390 | break; | |
391 | default: | |
50ad9320 PP |
392 | /* |
393 | * WARN-level logging because this should not | |
394 | * happen with the appropriate ABI version. If | |
395 | * we're here, we know that for the reported | |
396 | * version of the ABI, this attribute is | |
397 | * unknown. | |
398 | */ | |
3fe0bf43 PP |
399 | BT_LOGW("Ignoring unknown plugin descriptor attribute: " |
400 | "plugin-path=\"%s\", plugin-name=\"%s\", " | |
401 | "attr-type-name=\"%s\", attr-type-id=%d", | |
402 | spec->shared_lib_handle->path ? | |
403 | spec->shared_lib_handle->path->str : | |
404 | NULL, | |
405 | descriptor->name, cur_attr->type_name, | |
406 | cur_attr->type); | |
55bb57e0 PP |
407 | break; |
408 | } | |
409 | } | |
410 | ||
411 | /* | |
412 | * Find component class descriptors attached to this plugin | |
413 | * descriptor and initialize corresponding full component class | |
414 | * descriptors in the array. | |
415 | */ | |
416 | for (cur_cc_descr_ptr = cc_descriptors_begin; cur_cc_descr_ptr != cc_descriptors_end; cur_cc_descr_ptr++) { | |
417 | const struct __bt_plugin_component_class_descriptor *cur_cc_descr = | |
418 | *cur_cc_descr_ptr; | |
419 | struct comp_class_full_descriptor full_descriptor = {0}; | |
420 | ||
52238017 MJ |
421 | if (cur_cc_descr == NULL) { |
422 | continue; | |
423 | } | |
424 | ||
55bb57e0 PP |
425 | if (cur_cc_descr->plugin_descriptor != descriptor) { |
426 | continue; | |
427 | } | |
428 | ||
429 | full_descriptor.descriptor = cur_cc_descr; | |
430 | g_array_append_val(comp_class_full_descriptors, | |
431 | full_descriptor); | |
432 | } | |
433 | ||
434 | /* | |
435 | * Find component class descriptor attributes attached to this | |
436 | * plugin descriptor and update corresponding full component | |
437 | * class descriptors in the array. | |
438 | */ | |
439 | for (cur_cc_descr_attr_ptr = cc_descr_attrs_begin; cur_cc_descr_attr_ptr != cc_descr_attrs_end; cur_cc_descr_attr_ptr++) { | |
440 | const struct __bt_plugin_component_class_descriptor_attribute *cur_cc_descr_attr = | |
441 | *cur_cc_descr_attr_ptr; | |
d94d92ac | 442 | enum bt_component_class_type cc_type; |
55bb57e0 | 443 | |
52238017 MJ |
444 | if (cur_cc_descr_attr == NULL) { |
445 | continue; | |
446 | } | |
447 | ||
55bb57e0 PP |
448 | if (cur_cc_descr_attr->comp_class_descriptor->plugin_descriptor != |
449 | descriptor) { | |
450 | continue; | |
451 | } | |
452 | ||
d94d92ac PP |
453 | cc_type = cur_cc_descr_attr->comp_class_descriptor->type; |
454 | ||
55bb57e0 PP |
455 | /* Find the corresponding component class descriptor entry */ |
456 | for (i = 0; i < comp_class_full_descriptors->len; i++) { | |
457 | struct comp_class_full_descriptor *cc_full_descr = | |
458 | &g_array_index(comp_class_full_descriptors, | |
459 | struct comp_class_full_descriptor, i); | |
460 | ||
d94d92ac | 461 | if (cur_cc_descr_attr->comp_class_descriptor != |
55bb57e0 | 462 | cc_full_descr->descriptor) { |
d94d92ac PP |
463 | continue; |
464 | } | |
465 | ||
466 | switch (cur_cc_descr_attr->type) { | |
467 | case BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION: | |
468 | cc_full_descr->description = | |
469 | cur_cc_descr_attr->value.description; | |
470 | break; | |
471 | case BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_HELP: | |
472 | cc_full_descr->help = | |
473 | cur_cc_descr_attr->value.help; | |
474 | break; | |
475 | case BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INIT_METHOD: | |
476 | switch (cc_type) { | |
477 | case BT_COMPONENT_CLASS_TYPE_SOURCE: | |
478 | cc_full_descr->methods.source.init = | |
479 | cur_cc_descr_attr->value.source_init_method; | |
55bb57e0 | 480 | break; |
d94d92ac PP |
481 | case BT_COMPONENT_CLASS_TYPE_FILTER: |
482 | cc_full_descr->methods.filter.init = | |
483 | cur_cc_descr_attr->value.filter_init_method; | |
279b3f15 | 484 | break; |
d94d92ac PP |
485 | case BT_COMPONENT_CLASS_TYPE_SINK: |
486 | cc_full_descr->methods.sink.init = | |
487 | cur_cc_descr_attr->value.sink_init_method; | |
55bb57e0 | 488 | break; |
d94d92ac PP |
489 | default: |
490 | abort(); | |
491 | } | |
492 | break; | |
493 | case BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_FINALIZE_METHOD: | |
494 | switch (cc_type) { | |
495 | case BT_COMPONENT_CLASS_TYPE_SOURCE: | |
496 | cc_full_descr->methods.source.finalize = | |
497 | cur_cc_descr_attr->value.source_finalize_method; | |
55bb57e0 | 498 | break; |
d94d92ac PP |
499 | case BT_COMPONENT_CLASS_TYPE_FILTER: |
500 | cc_full_descr->methods.filter.finalize = | |
501 | cur_cc_descr_attr->value.filter_finalize_method; | |
8463eac2 | 502 | break; |
d94d92ac PP |
503 | case BT_COMPONENT_CLASS_TYPE_SINK: |
504 | cc_full_descr->methods.sink.finalize = | |
505 | cur_cc_descr_attr->value.sink_finalize_method; | |
72b913fb | 506 | break; |
d94d92ac PP |
507 | default: |
508 | abort(); | |
509 | } | |
510 | break; | |
511 | case BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_QUERY_METHOD: | |
512 | switch (cc_type) { | |
513 | case BT_COMPONENT_CLASS_TYPE_SOURCE: | |
514 | cc_full_descr->methods.source.query = | |
515 | cur_cc_descr_attr->value.source_query_method; | |
0d8b4d8e | 516 | break; |
d94d92ac PP |
517 | case BT_COMPONENT_CLASS_TYPE_FILTER: |
518 | cc_full_descr->methods.filter.query = | |
519 | cur_cc_descr_attr->value.filter_query_method; | |
55bb57e0 | 520 | break; |
d94d92ac PP |
521 | case BT_COMPONENT_CLASS_TYPE_SINK: |
522 | cc_full_descr->methods.sink.query = | |
523 | cur_cc_descr_attr->value.sink_query_method; | |
55bb57e0 | 524 | break; |
d94d92ac PP |
525 | default: |
526 | abort(); | |
527 | } | |
528 | break; | |
529 | case BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_ACCEPT_INPUT_PORT_CONNECTION_METHOD: | |
530 | switch (cc_type) { | |
531 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
532 | cc_full_descr->methods.filter.accept_input_port_connection = | |
533 | cur_cc_descr_attr->value.filter_accept_input_port_connection_method; | |
534 | break; | |
535 | case BT_COMPONENT_CLASS_TYPE_SINK: | |
536 | cc_full_descr->methods.sink.accept_input_port_connection = | |
537 | cur_cc_descr_attr->value.sink_accept_input_port_connection_method; | |
538 | break; | |
539 | default: | |
540 | abort(); | |
541 | } | |
542 | break; | |
543 | case BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_ACCEPT_OUTPUT_PORT_CONNECTION_METHOD: | |
544 | switch (cc_type) { | |
545 | case BT_COMPONENT_CLASS_TYPE_SOURCE: | |
546 | cc_full_descr->methods.source.accept_output_port_connection = | |
547 | cur_cc_descr_attr->value.source_accept_output_port_connection_method; | |
548 | break; | |
549 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
550 | cc_full_descr->methods.filter.accept_output_port_connection = | |
551 | cur_cc_descr_attr->value.filter_accept_output_port_connection_method; | |
552 | break; | |
553 | default: | |
554 | abort(); | |
555 | } | |
556 | break; | |
557 | case BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INPUT_PORT_CONNECTED_METHOD: | |
558 | switch (cc_type) { | |
559 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
560 | cc_full_descr->methods.filter.input_port_connected = | |
561 | cur_cc_descr_attr->value.filter_input_port_connected_method; | |
562 | break; | |
563 | case BT_COMPONENT_CLASS_TYPE_SINK: | |
564 | cc_full_descr->methods.sink.input_port_connected = | |
565 | cur_cc_descr_attr->value.sink_input_port_connected_method; | |
55bb57e0 | 566 | break; |
55bb57e0 | 567 | default: |
d94d92ac PP |
568 | abort(); |
569 | } | |
570 | break; | |
571 | case BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_OUTPUT_PORT_CONNECTED_METHOD: | |
572 | switch (cc_type) { | |
573 | case BT_COMPONENT_CLASS_TYPE_SOURCE: | |
574 | cc_full_descr->methods.source.output_port_connected = | |
575 | cur_cc_descr_attr->value.source_output_port_connected_method; | |
576 | break; | |
577 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
578 | cc_full_descr->methods.filter.output_port_connected = | |
579 | cur_cc_descr_attr->value.filter_output_port_connected_method; | |
55bb57e0 | 580 | break; |
d94d92ac PP |
581 | default: |
582 | abort(); | |
55bb57e0 | 583 | } |
d94d92ac PP |
584 | break; |
585 | case BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INPUT_PORT_DISCONNECTED_METHOD: | |
586 | switch (cc_type) { | |
587 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
588 | cc_full_descr->methods.filter.input_port_disconnected = | |
589 | cur_cc_descr_attr->value.filter_input_port_disconnected_method; | |
590 | break; | |
591 | case BT_COMPONENT_CLASS_TYPE_SINK: | |
592 | cc_full_descr->methods.sink.input_port_disconnected = | |
593 | cur_cc_descr_attr->value.sink_input_port_disconnected_method; | |
594 | break; | |
595 | default: | |
596 | abort(); | |
597 | } | |
598 | break; | |
599 | case BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_OUTPUT_PORT_DISCONNECTED_METHOD: | |
600 | switch (cc_type) { | |
601 | case BT_COMPONENT_CLASS_TYPE_SOURCE: | |
602 | cc_full_descr->methods.source.output_port_disconnected = | |
603 | cur_cc_descr_attr->value.source_output_port_disconnected_method; | |
604 | break; | |
605 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
606 | cc_full_descr->methods.filter.output_port_disconnected = | |
607 | cur_cc_descr_attr->value.filter_output_port_disconnected_method; | |
608 | break; | |
609 | default: | |
610 | abort(); | |
611 | } | |
612 | break; | |
613 | case BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_NOTIF_ITER_INIT_METHOD: | |
614 | switch (cc_type) { | |
615 | case BT_COMPONENT_CLASS_TYPE_SOURCE: | |
616 | cc_full_descr->methods.source.notif_iter_init = | |
617 | cur_cc_descr_attr->value.source_notif_iter_init_method; | |
618 | break; | |
619 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
620 | cc_full_descr->methods.filter.notif_iter_init = | |
621 | cur_cc_descr_attr->value.filter_notif_iter_init_method; | |
622 | break; | |
623 | default: | |
624 | abort(); | |
625 | } | |
626 | break; | |
627 | case BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_NOTIF_ITER_FINALIZE_METHOD: | |
628 | switch (cc_type) { | |
629 | case BT_COMPONENT_CLASS_TYPE_SOURCE: | |
630 | cc_full_descr->methods.source.notif_iter_finalize = | |
631 | cur_cc_descr_attr->value.source_notif_iter_finalize_method; | |
632 | break; | |
633 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
634 | cc_full_descr->methods.filter.notif_iter_finalize = | |
635 | cur_cc_descr_attr->value.filter_notif_iter_finalize_method; | |
636 | break; | |
637 | default: | |
638 | abort(); | |
639 | } | |
640 | break; | |
641 | default: | |
642 | /* | |
643 | * WARN-level logging because this | |
644 | * should not happen with the | |
645 | * appropriate ABI version. If we're | |
646 | * here, we know that for the reported | |
647 | * version of the ABI, this attribute is | |
648 | * unknown. | |
649 | */ | |
650 | BT_LOGW("Ignoring unknown component class descriptor attribute: " | |
651 | "plugin-path=\"%s\", " | |
652 | "plugin-name=\"%s\", " | |
653 | "comp-class-name=\"%s\", " | |
654 | "comp-class-type=%s, " | |
655 | "attr-type-name=\"%s\", " | |
656 | "attr-type-id=%d", | |
657 | spec->shared_lib_handle->path ? | |
658 | spec->shared_lib_handle->path->str : | |
659 | NULL, | |
660 | descriptor->name, | |
661 | cur_cc_descr_attr->comp_class_descriptor->name, | |
662 | bt_component_class_type_string( | |
663 | cur_cc_descr_attr->comp_class_descriptor->type), | |
664 | cur_cc_descr_attr->type_name, | |
665 | cur_cc_descr_attr->type); | |
666 | break; | |
55bb57e0 PP |
667 | } |
668 | } | |
669 | } | |
670 | ||
671 | /* Initialize plugin */ | |
672 | if (spec->init) { | |
3fe0bf43 | 673 | BT_LOGD_STR("Calling user's plugin initialization function."); |
55bb57e0 | 674 | status = spec->init(plugin); |
3fe0bf43 PP |
675 | BT_LOGD("User function returned: %s", |
676 | bt_plugin_status_string(status)); | |
677 | ||
55bb57e0 | 678 | if (status < 0) { |
3fe0bf43 | 679 | BT_LOGW_STR("User's plugin initialization function failed."); |
55bb57e0 PP |
680 | goto end; |
681 | } | |
682 | } | |
683 | ||
c55a9f58 | 684 | spec->shared_lib_handle->init_called = BT_TRUE; |
55bb57e0 PP |
685 | |
686 | /* Add described component classes to plugin */ | |
687 | for (i = 0; i < comp_class_full_descriptors->len; i++) { | |
688 | struct comp_class_full_descriptor *cc_full_descr = | |
689 | &g_array_index(comp_class_full_descriptors, | |
690 | struct comp_class_full_descriptor, i); | |
d94d92ac PP |
691 | struct bt_private_component_class *comp_class = NULL; |
692 | struct bt_private_component_class_source *src_comp_class = NULL; | |
693 | struct bt_private_component_class_filter *flt_comp_class = NULL; | |
694 | struct bt_private_component_class_sink *sink_comp_class = NULL; | |
55bb57e0 | 695 | |
3fe0bf43 PP |
696 | BT_LOGD("Creating and setting properties of plugin's component class: " |
697 | "plugin-path=\"%s\", plugin-name=\"%s\", " | |
698 | "comp-class-name=\"%s\", comp-class-type=%s", | |
699 | spec->shared_lib_handle->path ? | |
700 | spec->shared_lib_handle->path->str : | |
701 | NULL, | |
702 | descriptor->name, | |
703 | cc_full_descr->descriptor->name, | |
704 | bt_component_class_type_string( | |
705 | cc_full_descr->descriptor->type)); | |
706 | ||
55bb57e0 PP |
707 | switch (cc_full_descr->descriptor->type) { |
708 | case BT_COMPONENT_CLASS_TYPE_SOURCE: | |
d94d92ac | 709 | src_comp_class = bt_private_component_class_source_create( |
55bb57e0 | 710 | cc_full_descr->descriptor->name, |
55bb57e0 | 711 | cc_full_descr->descriptor->methods.source.notif_iter_next); |
d94d92ac PP |
712 | comp_class = bt_private_component_class_source_borrow_private_component_class( |
713 | src_comp_class); | |
55bb57e0 PP |
714 | break; |
715 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
d94d92ac | 716 | flt_comp_class = bt_private_component_class_filter_create( |
55bb57e0 | 717 | cc_full_descr->descriptor->name, |
55bb57e0 | 718 | cc_full_descr->descriptor->methods.source.notif_iter_next); |
d94d92ac PP |
719 | comp_class = bt_private_component_class_filter_borrow_private_component_class( |
720 | flt_comp_class); | |
55bb57e0 PP |
721 | break; |
722 | case BT_COMPONENT_CLASS_TYPE_SINK: | |
d94d92ac | 723 | sink_comp_class = bt_private_component_class_sink_create( |
55bb57e0 PP |
724 | cc_full_descr->descriptor->name, |
725 | cc_full_descr->descriptor->methods.sink.consume); | |
d94d92ac PP |
726 | comp_class = bt_private_component_class_sink_borrow_private_component_class( |
727 | sink_comp_class); | |
55bb57e0 PP |
728 | break; |
729 | default: | |
50ad9320 PP |
730 | /* |
731 | * WARN-level logging because this should not | |
732 | * happen with the appropriate ABI version. If | |
733 | * we're here, we know that for the reported | |
734 | * version of the ABI, this component class type | |
735 | * is unknown. | |
736 | */ | |
3fe0bf43 PP |
737 | BT_LOGW("Ignoring unknown component class type: " |
738 | "plugin-path=\"%s\", plugin-name=\"%s\", " | |
739 | "comp-class-name=\"%s\", comp-class-type=%d", | |
740 | spec->shared_lib_handle->path->str ? | |
741 | spec->shared_lib_handle->path->str : | |
742 | NULL, | |
743 | descriptor->name, | |
55bb57e0 | 744 | cc_full_descr->descriptor->name, |
3fe0bf43 | 745 | cc_full_descr->descriptor->type); |
55bb57e0 PP |
746 | continue; |
747 | } | |
748 | ||
749 | if (!comp_class) { | |
3fe0bf43 | 750 | BT_LOGE_STR("Cannot create component class."); |
55bb57e0 PP |
751 | status = BT_PLUGIN_STATUS_ERROR; |
752 | goto end; | |
753 | } | |
754 | ||
755 | if (cc_full_descr->description) { | |
d94d92ac PP |
756 | ret = bt_private_component_class_set_description( |
757 | comp_class, cc_full_descr->description); | |
55bb57e0 | 758 | if (ret) { |
3fe0bf43 | 759 | BT_LOGE_STR("Cannot set component class's description."); |
55bb57e0 | 760 | status = BT_PLUGIN_STATUS_ERROR; |
65300d60 | 761 | BT_OBJECT_PUT_REF_AND_RESET(comp_class); |
55bb57e0 PP |
762 | goto end; |
763 | } | |
764 | } | |
765 | ||
279b3f15 | 766 | if (cc_full_descr->help) { |
d94d92ac | 767 | ret = bt_private_component_class_set_help(comp_class, |
279b3f15 PP |
768 | cc_full_descr->help); |
769 | if (ret) { | |
3fe0bf43 | 770 | BT_LOGE_STR("Cannot set component class's help string."); |
279b3f15 | 771 | status = BT_PLUGIN_STATUS_ERROR; |
65300d60 | 772 | BT_OBJECT_PUT_REF_AND_RESET(comp_class); |
279b3f15 PP |
773 | goto end; |
774 | } | |
775 | } | |
776 | ||
d94d92ac PP |
777 | switch (cc_full_descr->descriptor->type) { |
778 | case BT_COMPONENT_CLASS_TYPE_SOURCE: | |
779 | if (cc_full_descr->methods.source.init) { | |
780 | ret = bt_private_component_class_source_set_init_method( | |
781 | src_comp_class, | |
782 | cc_full_descr->methods.source.init); | |
783 | if (ret) { | |
784 | BT_LOGE_STR("Cannot set source component class's initialization method."); | |
785 | status = BT_PLUGIN_STATUS_ERROR; | |
786 | BT_OBJECT_PUT_REF_AND_RESET(src_comp_class); | |
787 | goto end; | |
788 | } | |
55bb57e0 | 789 | } |
55bb57e0 | 790 | |
d94d92ac PP |
791 | if (cc_full_descr->methods.source.finalize) { |
792 | ret = bt_private_component_class_source_set_finalize_method( | |
793 | src_comp_class, | |
794 | cc_full_descr->methods.source.finalize); | |
795 | if (ret) { | |
796 | BT_LOGE_STR("Cannot set source component class's finalization method."); | |
797 | status = BT_PLUGIN_STATUS_ERROR; | |
798 | BT_OBJECT_PUT_REF_AND_RESET(src_comp_class); | |
799 | goto end; | |
800 | } | |
55bb57e0 | 801 | } |
55bb57e0 | 802 | |
d94d92ac PP |
803 | if (cc_full_descr->methods.source.query) { |
804 | ret = bt_private_component_class_source_set_query_method( | |
805 | src_comp_class, | |
806 | cc_full_descr->methods.source.query); | |
807 | if (ret) { | |
808 | BT_LOGE_STR("Cannot set source component class's query method."); | |
809 | status = BT_PLUGIN_STATUS_ERROR; | |
810 | BT_OBJECT_PUT_REF_AND_RESET(src_comp_class); | |
811 | goto end; | |
812 | } | |
8463eac2 | 813 | } |
8463eac2 | 814 | |
d94d92ac PP |
815 | if (cc_full_descr->methods.source.accept_output_port_connection) { |
816 | ret = bt_private_component_class_source_set_accept_output_port_connection_method( | |
817 | src_comp_class, | |
818 | cc_full_descr->methods.source.accept_output_port_connection); | |
819 | if (ret) { | |
820 | BT_LOGE_STR("Cannot set source component class's \"accept input output connection\" method."); | |
821 | status = BT_PLUGIN_STATUS_ERROR; | |
822 | BT_OBJECT_PUT_REF_AND_RESET(src_comp_class); | |
823 | goto end; | |
824 | } | |
72b913fb | 825 | } |
72b913fb | 826 | |
d94d92ac PP |
827 | if (cc_full_descr->methods.source.output_port_connected) { |
828 | ret = bt_private_component_class_source_set_output_port_connected_method( | |
829 | src_comp_class, | |
830 | cc_full_descr->methods.source.output_port_connected); | |
831 | if (ret) { | |
832 | BT_LOGE_STR("Cannot set source component class's \"output port connected\" method."); | |
833 | status = BT_PLUGIN_STATUS_ERROR; | |
834 | BT_OBJECT_PUT_REF_AND_RESET(src_comp_class); | |
835 | goto end; | |
836 | } | |
0d8b4d8e | 837 | } |
0d8b4d8e | 838 | |
d94d92ac PP |
839 | if (cc_full_descr->methods.source.output_port_disconnected) { |
840 | ret = bt_private_component_class_source_set_output_port_disconnected_method( | |
841 | src_comp_class, | |
842 | cc_full_descr->methods.source.output_port_disconnected); | |
843 | if (ret) { | |
844 | BT_LOGE_STR("Cannot set source component class's \"output port disconnected\" method."); | |
845 | status = BT_PLUGIN_STATUS_ERROR; | |
846 | BT_OBJECT_PUT_REF_AND_RESET(src_comp_class); | |
847 | goto end; | |
848 | } | |
2d41b99e | 849 | } |
2d41b99e | 850 | |
d94d92ac PP |
851 | if (cc_full_descr->methods.source.notif_iter_init) { |
852 | ret = bt_private_component_class_source_set_notification_iterator_init_method( | |
853 | src_comp_class, | |
854 | cc_full_descr->methods.source.notif_iter_init); | |
55bb57e0 | 855 | if (ret) { |
d94d92ac | 856 | BT_LOGE_STR("Cannot set source component class's notification iterator initialization method."); |
55bb57e0 | 857 | status = BT_PLUGIN_STATUS_ERROR; |
d94d92ac | 858 | BT_OBJECT_PUT_REF_AND_RESET(src_comp_class); |
55bb57e0 PP |
859 | goto end; |
860 | } | |
861 | } | |
862 | ||
d94d92ac PP |
863 | if (cc_full_descr->methods.source.notif_iter_finalize) { |
864 | ret = bt_private_component_class_source_set_notification_iterator_finalize_method( | |
865 | src_comp_class, | |
866 | cc_full_descr->methods.source.notif_iter_finalize); | |
55bb57e0 | 867 | if (ret) { |
3fe0bf43 | 868 | BT_LOGE_STR("Cannot set source component class's notification iterator finalization method."); |
55bb57e0 | 869 | status = BT_PLUGIN_STATUS_ERROR; |
d94d92ac | 870 | BT_OBJECT_PUT_REF_AND_RESET(src_comp_class); |
55bb57e0 PP |
871 | goto end; |
872 | } | |
873 | } | |
d94d92ac | 874 | |
55bb57e0 PP |
875 | break; |
876 | case BT_COMPONENT_CLASS_TYPE_FILTER: | |
d94d92ac PP |
877 | if (cc_full_descr->methods.filter.init) { |
878 | ret = bt_private_component_class_filter_set_init_method( | |
879 | flt_comp_class, | |
880 | cc_full_descr->methods.filter.init); | |
881 | if (ret) { | |
882 | BT_LOGE_STR("Cannot set filter component class's initialization method."); | |
883 | status = BT_PLUGIN_STATUS_ERROR; | |
884 | BT_OBJECT_PUT_REF_AND_RESET(flt_comp_class); | |
885 | goto end; | |
886 | } | |
887 | } | |
888 | ||
889 | if (cc_full_descr->methods.filter.finalize) { | |
890 | ret = bt_private_component_class_filter_set_finalize_method( | |
891 | flt_comp_class, | |
892 | cc_full_descr->methods.filter.finalize); | |
893 | if (ret) { | |
894 | BT_LOGE_STR("Cannot set filter component class's finalization method."); | |
895 | status = BT_PLUGIN_STATUS_ERROR; | |
896 | BT_OBJECT_PUT_REF_AND_RESET(flt_comp_class); | |
897 | goto end; | |
898 | } | |
899 | } | |
900 | ||
901 | if (cc_full_descr->methods.filter.query) { | |
902 | ret = bt_private_component_class_filter_set_query_method( | |
903 | flt_comp_class, | |
904 | cc_full_descr->methods.filter.query); | |
905 | if (ret) { | |
906 | BT_LOGE_STR("Cannot set filter component class's query method."); | |
907 | status = BT_PLUGIN_STATUS_ERROR; | |
908 | BT_OBJECT_PUT_REF_AND_RESET(flt_comp_class); | |
909 | goto end; | |
910 | } | |
911 | } | |
912 | ||
913 | if (cc_full_descr->methods.filter.accept_input_port_connection) { | |
914 | ret = bt_private_component_class_filter_set_accept_input_port_connection_method( | |
915 | flt_comp_class, | |
916 | cc_full_descr->methods.filter.accept_input_port_connection); | |
917 | if (ret) { | |
918 | BT_LOGE_STR("Cannot set filter component class's \"accept input port connection\" method."); | |
919 | status = BT_PLUGIN_STATUS_ERROR; | |
920 | BT_OBJECT_PUT_REF_AND_RESET(flt_comp_class); | |
921 | goto end; | |
922 | } | |
923 | } | |
924 | ||
925 | if (cc_full_descr->methods.filter.accept_output_port_connection) { | |
926 | ret = bt_private_component_class_filter_set_accept_output_port_connection_method( | |
927 | flt_comp_class, | |
928 | cc_full_descr->methods.filter.accept_output_port_connection); | |
929 | if (ret) { | |
930 | BT_LOGE_STR("Cannot set filter component class's \"accept input output connection\" method."); | |
931 | status = BT_PLUGIN_STATUS_ERROR; | |
932 | BT_OBJECT_PUT_REF_AND_RESET(flt_comp_class); | |
933 | goto end; | |
934 | } | |
935 | } | |
936 | ||
937 | if (cc_full_descr->methods.filter.input_port_connected) { | |
938 | ret = bt_private_component_class_filter_set_input_port_connected_method( | |
939 | flt_comp_class, | |
940 | cc_full_descr->methods.filter.input_port_connected); | |
941 | if (ret) { | |
942 | BT_LOGE_STR("Cannot set filter component class's \"input port connected\" method."); | |
943 | status = BT_PLUGIN_STATUS_ERROR; | |
944 | BT_OBJECT_PUT_REF_AND_RESET(flt_comp_class); | |
945 | goto end; | |
946 | } | |
947 | } | |
948 | ||
949 | if (cc_full_descr->methods.filter.output_port_connected) { | |
950 | ret = bt_private_component_class_filter_set_output_port_connected_method( | |
951 | flt_comp_class, | |
952 | cc_full_descr->methods.filter.output_port_connected); | |
953 | if (ret) { | |
954 | BT_LOGE_STR("Cannot set filter component class's \"output port connected\" method."); | |
955 | status = BT_PLUGIN_STATUS_ERROR; | |
956 | BT_OBJECT_PUT_REF_AND_RESET(flt_comp_class); | |
957 | goto end; | |
958 | } | |
959 | } | |
960 | ||
961 | if (cc_full_descr->methods.filter.input_port_disconnected) { | |
962 | ret = bt_private_component_class_filter_set_input_port_disconnected_method( | |
963 | flt_comp_class, | |
964 | cc_full_descr->methods.filter.input_port_disconnected); | |
965 | if (ret) { | |
966 | BT_LOGE_STR("Cannot set filter component class's \"input port disconnected\" method."); | |
967 | status = BT_PLUGIN_STATUS_ERROR; | |
968 | BT_OBJECT_PUT_REF_AND_RESET(flt_comp_class); | |
969 | goto end; | |
970 | } | |
971 | } | |
972 | ||
973 | if (cc_full_descr->methods.filter.output_port_disconnected) { | |
974 | ret = bt_private_component_class_filter_set_output_port_disconnected_method( | |
975 | flt_comp_class, | |
976 | cc_full_descr->methods.filter.output_port_disconnected); | |
977 | if (ret) { | |
978 | BT_LOGE_STR("Cannot set filter component class's \"output port disconnected\" method."); | |
979 | status = BT_PLUGIN_STATUS_ERROR; | |
980 | BT_OBJECT_PUT_REF_AND_RESET(flt_comp_class); | |
981 | goto end; | |
982 | } | |
983 | } | |
984 | ||
985 | if (cc_full_descr->methods.filter.notif_iter_init) { | |
986 | ret = bt_private_component_class_filter_set_notification_iterator_init_method( | |
987 | flt_comp_class, | |
988 | cc_full_descr->methods.filter.notif_iter_init); | |
55bb57e0 | 989 | if (ret) { |
3fe0bf43 | 990 | BT_LOGE_STR("Cannot set filter component class's notification iterator initialization method."); |
55bb57e0 | 991 | status = BT_PLUGIN_STATUS_ERROR; |
d94d92ac | 992 | BT_OBJECT_PUT_REF_AND_RESET(flt_comp_class); |
55bb57e0 PP |
993 | goto end; |
994 | } | |
995 | } | |
996 | ||
d94d92ac PP |
997 | if (cc_full_descr->methods.filter.notif_iter_finalize) { |
998 | ret = bt_private_component_class_filter_set_notification_iterator_finalize_method( | |
999 | flt_comp_class, | |
1000 | cc_full_descr->methods.filter.notif_iter_finalize); | |
55bb57e0 | 1001 | if (ret) { |
3fe0bf43 | 1002 | BT_LOGE_STR("Cannot set filter component class's notification iterator finalization method."); |
55bb57e0 | 1003 | status = BT_PLUGIN_STATUS_ERROR; |
d94d92ac | 1004 | BT_OBJECT_PUT_REF_AND_RESET(flt_comp_class); |
55bb57e0 PP |
1005 | goto end; |
1006 | } | |
1007 | } | |
d94d92ac | 1008 | |
55bb57e0 PP |
1009 | break; |
1010 | case BT_COMPONENT_CLASS_TYPE_SINK: | |
d94d92ac PP |
1011 | if (cc_full_descr->methods.sink.init) { |
1012 | ret = bt_private_component_class_sink_set_init_method( | |
1013 | sink_comp_class, | |
1014 | cc_full_descr->methods.sink.init); | |
1015 | if (ret) { | |
1016 | BT_LOGE_STR("Cannot set sink component class's initialization method."); | |
1017 | status = BT_PLUGIN_STATUS_ERROR; | |
1018 | BT_OBJECT_PUT_REF_AND_RESET(sink_comp_class); | |
1019 | goto end; | |
1020 | } | |
1021 | } | |
1022 | ||
1023 | if (cc_full_descr->methods.sink.finalize) { | |
1024 | ret = bt_private_component_class_sink_set_finalize_method( | |
1025 | sink_comp_class, | |
1026 | cc_full_descr->methods.sink.finalize); | |
1027 | if (ret) { | |
1028 | BT_LOGE_STR("Cannot set sink component class's finalization method."); | |
1029 | status = BT_PLUGIN_STATUS_ERROR; | |
1030 | BT_OBJECT_PUT_REF_AND_RESET(sink_comp_class); | |
1031 | goto end; | |
1032 | } | |
1033 | } | |
1034 | ||
1035 | if (cc_full_descr->methods.sink.query) { | |
1036 | ret = bt_private_component_class_sink_set_query_method( | |
1037 | sink_comp_class, | |
1038 | cc_full_descr->methods.sink.query); | |
1039 | if (ret) { | |
1040 | BT_LOGE_STR("Cannot set sink component class's query method."); | |
1041 | status = BT_PLUGIN_STATUS_ERROR; | |
1042 | BT_OBJECT_PUT_REF_AND_RESET(sink_comp_class); | |
1043 | goto end; | |
1044 | } | |
1045 | } | |
1046 | ||
1047 | if (cc_full_descr->methods.sink.accept_input_port_connection) { | |
1048 | ret = bt_private_component_class_sink_set_accept_input_port_connection_method( | |
1049 | sink_comp_class, | |
1050 | cc_full_descr->methods.sink.accept_input_port_connection); | |
1051 | if (ret) { | |
1052 | BT_LOGE_STR("Cannot set sink component class's \"accept input port connection\" method."); | |
1053 | status = BT_PLUGIN_STATUS_ERROR; | |
1054 | BT_OBJECT_PUT_REF_AND_RESET(sink_comp_class); | |
1055 | goto end; | |
1056 | } | |
1057 | } | |
1058 | ||
1059 | if (cc_full_descr->methods.sink.input_port_connected) { | |
1060 | ret = bt_private_component_class_sink_set_input_port_connected_method( | |
1061 | sink_comp_class, | |
1062 | cc_full_descr->methods.sink.input_port_connected); | |
1063 | if (ret) { | |
1064 | BT_LOGE_STR("Cannot set sink component class's \"input port connected\" method."); | |
1065 | status = BT_PLUGIN_STATUS_ERROR; | |
1066 | BT_OBJECT_PUT_REF_AND_RESET(sink_comp_class); | |
1067 | goto end; | |
1068 | } | |
1069 | } | |
1070 | ||
1071 | if (cc_full_descr->methods.sink.input_port_disconnected) { | |
1072 | ret = bt_private_component_class_sink_set_input_port_disconnected_method( | |
1073 | sink_comp_class, | |
1074 | cc_full_descr->methods.sink.input_port_disconnected); | |
1075 | if (ret) { | |
1076 | BT_LOGE_STR("Cannot set sink component class's \"input port disconnected\" method."); | |
1077 | status = BT_PLUGIN_STATUS_ERROR; | |
1078 | BT_OBJECT_PUT_REF_AND_RESET(sink_comp_class); | |
1079 | goto end; | |
1080 | } | |
1081 | } | |
1082 | ||
55bb57e0 PP |
1083 | break; |
1084 | default: | |
0fbb9a9f | 1085 | abort(); |
55bb57e0 PP |
1086 | } |
1087 | ||
1088 | /* | |
1089 | * Add component class to the plugin object. | |
1090 | * | |
1091 | * This will call back | |
1092 | * bt_plugin_so_on_add_component_class() so that we can | |
d94d92ac PP |
1093 | * add a mapping in the component class list when we |
1094 | * know the component class is successfully added. | |
55bb57e0 PP |
1095 | */ |
1096 | status = bt_plugin_add_component_class(plugin, | |
d94d92ac | 1097 | (void *) comp_class); |
65300d60 | 1098 | BT_OBJECT_PUT_REF_AND_RESET(comp_class); |
55bb57e0 | 1099 | if (status < 0) { |
3fe0bf43 | 1100 | BT_LOGE("Cannot add component class to plugin."); |
55bb57e0 PP |
1101 | goto end; |
1102 | } | |
1103 | } | |
1104 | ||
55bb57e0 PP |
1105 | end: |
1106 | g_array_free(comp_class_full_descriptors, TRUE); | |
1107 | return status; | |
1108 | } | |
1109 | ||
1110 | static | |
1111 | struct bt_plugin *bt_plugin_so_create_empty( | |
1112 | struct bt_plugin_so_shared_lib_handle *shared_lib_handle) | |
1113 | { | |
1114 | struct bt_plugin *plugin; | |
1115 | struct bt_plugin_so_spec_data *spec; | |
1116 | ||
1117 | plugin = bt_plugin_create_empty(BT_PLUGIN_TYPE_SO); | |
1118 | if (!plugin) { | |
1119 | goto error; | |
1120 | } | |
1121 | ||
6fbd4105 | 1122 | plugin->destroy_spec_data = bt_plugin_so_destroy_spec_data; |
55bb57e0 PP |
1123 | plugin->spec_data = g_new0(struct bt_plugin_so_spec_data, 1); |
1124 | if (!plugin->spec_data) { | |
3fe0bf43 | 1125 | BT_LOGE_STR("Failed to allocate one SO plugin specific data structure."); |
55bb57e0 PP |
1126 | goto error; |
1127 | } | |
1128 | ||
1129 | spec = plugin->spec_data; | |
65300d60 | 1130 | spec->shared_lib_handle = bt_object_get_ref(shared_lib_handle); |
55bb57e0 PP |
1131 | goto end; |
1132 | ||
1133 | error: | |
65300d60 | 1134 | BT_OBJECT_PUT_REF_AND_RESET(plugin); |
55bb57e0 PP |
1135 | |
1136 | end: | |
1137 | return plugin; | |
1138 | } | |
1139 | ||
52238017 MJ |
1140 | static |
1141 | size_t count_non_null_items_in_section(const void *begin, const void *end) | |
1142 | { | |
1143 | size_t count = 0; | |
1144 | const int * const *begin_int = (const int * const *) begin; | |
1145 | const int * const *end_int = (const int * const *) end; | |
1146 | const int * const *iter; | |
1147 | ||
1148 | for (iter = begin_int; iter != end_int; iter++) { | |
1149 | if (*iter) { | |
1150 | count++; | |
1151 | } | |
1152 | } | |
1153 | ||
1154 | return count; | |
1155 | } | |
1156 | ||
55bb57e0 | 1157 | static |
a8ff38ef | 1158 | struct bt_plugin_set *bt_plugin_so_create_all_from_sections( |
55bb57e0 PP |
1159 | struct bt_plugin_so_shared_lib_handle *shared_lib_handle, |
1160 | struct __bt_plugin_descriptor const * const *descriptors_begin, | |
1161 | struct __bt_plugin_descriptor const * const *descriptors_end, | |
1162 | struct __bt_plugin_descriptor_attribute const * const *attrs_begin, | |
1163 | struct __bt_plugin_descriptor_attribute const * const *attrs_end, | |
1164 | struct __bt_plugin_component_class_descriptor const * const *cc_descriptors_begin, | |
1165 | struct __bt_plugin_component_class_descriptor const * const *cc_descriptors_end, | |
1166 | struct __bt_plugin_component_class_descriptor_attribute const * const *cc_descr_attrs_begin, | |
1167 | struct __bt_plugin_component_class_descriptor_attribute const * const *cc_descr_attrs_end) | |
1168 | { | |
1169 | size_t descriptor_count; | |
1170 | size_t attrs_count; | |
1171 | size_t cc_descriptors_count; | |
1172 | size_t cc_descr_attrs_count; | |
1173 | size_t i; | |
a8ff38ef | 1174 | struct bt_plugin_set *plugin_set = NULL; |
55bb57e0 | 1175 | |
52238017 MJ |
1176 | descriptor_count = count_non_null_items_in_section(descriptors_begin, descriptors_end); |
1177 | attrs_count = count_non_null_items_in_section(attrs_begin, attrs_end); | |
1178 | cc_descriptors_count = count_non_null_items_in_section(cc_descriptors_begin, cc_descriptors_end); | |
1179 | cc_descr_attrs_count = count_non_null_items_in_section(cc_descr_attrs_begin, cc_descr_attrs_end); | |
3fe0bf43 PP |
1180 | |
1181 | BT_LOGD("Creating all SO plugins from sections: " | |
1182 | "plugin-path=\"%s\", " | |
1183 | "descr-begin-addr=%p, descr-end-addr=%p, " | |
1184 | "attrs-begin-addr=%p, attrs-end-addr=%p, " | |
1185 | "cc-descr-begin-addr=%p, cc-descr-end-addr=%p, " | |
1186 | "cc-descr-attrs-begin-addr=%p, cc-descr-attrs-end-addr=%p, " | |
1187 | "descr-count=%zu, attrs-count=%zu, " | |
1188 | "cc-descr-count=%zu, cc-descr-attrs-count=%zu", | |
1189 | shared_lib_handle->path ? shared_lib_handle->path->str : NULL, | |
1190 | descriptors_begin, descriptors_end, | |
1191 | attrs_begin, attrs_end, | |
1192 | cc_descriptors_begin, cc_descriptors_end, | |
1193 | cc_descr_attrs_begin, cc_descr_attrs_end, | |
1194 | descriptor_count, attrs_count, | |
1195 | cc_descriptors_count, cc_descr_attrs_count); | |
a8ff38ef PP |
1196 | plugin_set = bt_plugin_set_create(); |
1197 | if (!plugin_set) { | |
3fe0bf43 | 1198 | BT_LOGE_STR("Cannot create empty plugin set."); |
55bb57e0 PP |
1199 | goto error; |
1200 | } | |
1201 | ||
52238017 | 1202 | for (i = 0; i < descriptors_end - descriptors_begin; i++) { |
55bb57e0 PP |
1203 | enum bt_plugin_status status; |
1204 | const struct __bt_plugin_descriptor *descriptor = | |
1205 | descriptors_begin[i]; | |
1206 | struct bt_plugin *plugin; | |
1207 | ||
52238017 MJ |
1208 | if (descriptor == NULL) { |
1209 | continue; | |
1210 | } | |
1211 | ||
3fe0bf43 PP |
1212 | BT_LOGD("Creating plugin object for plugin: " |
1213 | "name=\"%s\", abi-major=%d, abi-minor=%d", | |
1214 | descriptor->name, descriptor->major, descriptor->minor); | |
55bb57e0 PP |
1215 | |
1216 | if (descriptor->major > __BT_PLUGIN_VERSION_MAJOR) { | |
50ad9320 PP |
1217 | /* |
1218 | * DEBUG-level logging because we're only | |
1219 | * _trying_ to open this file as a compatible | |
1220 | * Babeltrace plugin: if it's not, it's not an | |
1221 | * error. And because this can be tried during | |
1222 | * bt_plugin_create_all_from_dir(), it's not | |
1223 | * even a warning. | |
1224 | */ | |
1225 | BT_LOGD("Unknown ABI major version: abi-major=%d", | |
55bb57e0 PP |
1226 | descriptor->major); |
1227 | goto error; | |
1228 | } | |
1229 | ||
1230 | plugin = bt_plugin_so_create_empty(shared_lib_handle); | |
1231 | if (!plugin) { | |
3fe0bf43 | 1232 | BT_LOGE_STR("Cannot create empty shared library handle."); |
55bb57e0 PP |
1233 | goto error; |
1234 | } | |
1235 | ||
1236 | if (shared_lib_handle && shared_lib_handle->path) { | |
1237 | bt_plugin_set_path(plugin, shared_lib_handle->path->str); | |
1238 | } | |
1239 | ||
1240 | status = bt_plugin_so_init(plugin, descriptor, attrs_begin, | |
1241 | attrs_end, cc_descriptors_begin, cc_descriptors_end, | |
1242 | cc_descr_attrs_begin, cc_descr_attrs_end); | |
1243 | if (status < 0) { | |
50ad9320 PP |
1244 | /* |
1245 | * DEBUG-level logging because we're only | |
1246 | * _trying_ to open this file as a compatible | |
1247 | * Babeltrace plugin: if it's not, it's not an | |
1248 | * error. And because this can be tried during | |
1249 | * bt_plugin_create_all_from_dir(), it's not | |
1250 | * even a warning. | |
1251 | */ | |
1252 | BT_LOGD_STR("Cannot initialize SO plugin object from sections."); | |
65300d60 | 1253 | BT_OBJECT_PUT_REF_AND_RESET(plugin); |
55bb57e0 PP |
1254 | goto error; |
1255 | } | |
1256 | ||
a8ff38ef PP |
1257 | /* Add to plugin set */ |
1258 | bt_plugin_set_add_plugin(plugin_set, plugin); | |
65300d60 | 1259 | bt_object_put_ref(plugin); |
55bb57e0 PP |
1260 | } |
1261 | ||
1262 | goto end; | |
1263 | ||
1264 | error: | |
65300d60 | 1265 | BT_OBJECT_PUT_REF_AND_RESET(plugin_set); |
55bb57e0 PP |
1266 | |
1267 | end: | |
a8ff38ef | 1268 | return plugin_set; |
55bb57e0 PP |
1269 | } |
1270 | ||
1271 | BT_HIDDEN | |
a8ff38ef | 1272 | struct bt_plugin_set *bt_plugin_so_create_all_from_static(void) |
55bb57e0 | 1273 | { |
a8ff38ef | 1274 | struct bt_plugin_set *plugin_set = NULL; |
55bb57e0 PP |
1275 | struct bt_plugin_so_shared_lib_handle *shared_lib_handle = |
1276 | bt_plugin_so_shared_lib_handle_create(NULL); | |
1277 | ||
1278 | if (!shared_lib_handle) { | |
1279 | goto end; | |
1280 | } | |
1281 | ||
3fe0bf43 | 1282 | BT_LOGD_STR("Creating all SO plugins from built-in plugins."); |
a8ff38ef | 1283 | plugin_set = bt_plugin_so_create_all_from_sections(shared_lib_handle, |
52238017 MJ |
1284 | __bt_get_begin_section_plugin_descriptors(), |
1285 | __bt_get_end_section_plugin_descriptors(), | |
1286 | __bt_get_begin_section_plugin_descriptor_attributes(), | |
1287 | __bt_get_end_section_plugin_descriptor_attributes(), | |
1288 | __bt_get_begin_section_component_class_descriptors(), | |
1289 | __bt_get_end_section_component_class_descriptors(), | |
1290 | __bt_get_begin_section_component_class_descriptor_attributes(), | |
1291 | __bt_get_end_section_component_class_descriptor_attributes()); | |
55bb57e0 PP |
1292 | |
1293 | end: | |
65300d60 | 1294 | BT_OBJECT_PUT_REF_AND_RESET(shared_lib_handle); |
55bb57e0 | 1295 | |
a8ff38ef | 1296 | return plugin_set; |
55bb57e0 PP |
1297 | } |
1298 | ||
1299 | BT_HIDDEN | |
a8ff38ef | 1300 | struct bt_plugin_set *bt_plugin_so_create_all_from_file(const char *path) |
55bb57e0 PP |
1301 | { |
1302 | size_t path_len; | |
a8ff38ef | 1303 | struct bt_plugin_set *plugin_set = NULL; |
55bb57e0 PP |
1304 | struct __bt_plugin_descriptor const * const *descriptors_begin = NULL; |
1305 | struct __bt_plugin_descriptor const * const *descriptors_end = NULL; | |
1306 | struct __bt_plugin_descriptor_attribute const * const *attrs_begin = NULL; | |
1307 | struct __bt_plugin_descriptor_attribute const * const *attrs_end = NULL; | |
1308 | struct __bt_plugin_component_class_descriptor const * const *cc_descriptors_begin = NULL; | |
1309 | struct __bt_plugin_component_class_descriptor const * const *cc_descriptors_end = NULL; | |
1310 | struct __bt_plugin_component_class_descriptor_attribute const * const *cc_descr_attrs_begin = NULL; | |
1311 | struct __bt_plugin_component_class_descriptor_attribute const * const *cc_descr_attrs_end = NULL; | |
52238017 MJ |
1312 | struct __bt_plugin_descriptor const * const *(*get_begin_section_plugin_descriptors)(void); |
1313 | struct __bt_plugin_descriptor const * const *(*get_end_section_plugin_descriptors)(void); | |
1314 | struct __bt_plugin_descriptor_attribute const * const *(*get_begin_section_plugin_descriptor_attributes)(void); | |
1315 | struct __bt_plugin_descriptor_attribute const * const *(*get_end_section_plugin_descriptor_attributes)(void); | |
1316 | struct __bt_plugin_component_class_descriptor const * const *(*get_begin_section_component_class_descriptors)(void); | |
1317 | struct __bt_plugin_component_class_descriptor const * const *(*get_end_section_component_class_descriptors)(void); | |
1318 | struct __bt_plugin_component_class_descriptor_attribute const * const *(*get_begin_section_component_class_descriptor_attributes)(void); | |
1319 | struct __bt_plugin_component_class_descriptor_attribute const * const *(*get_end_section_component_class_descriptor_attributes)(void); | |
c55a9f58 | 1320 | bt_bool is_libtool_wrapper = BT_FALSE, is_shared_object = BT_FALSE; |
55bb57e0 PP |
1321 | struct bt_plugin_so_shared_lib_handle *shared_lib_handle = NULL; |
1322 | ||
1323 | if (!path) { | |
3fe0bf43 | 1324 | BT_LOGW_STR("Invalid parameter: path is NULL."); |
55bb57e0 PP |
1325 | goto end; |
1326 | } | |
1327 | ||
3fe0bf43 | 1328 | BT_LOGD("Creating all SO plugins from file: path=\"%s\"", path); |
55bb57e0 PP |
1329 | path_len = strlen(path); |
1330 | if (path_len <= PLUGIN_SUFFIX_LEN) { | |
3fe0bf43 PP |
1331 | BT_LOGW("Invalid parameter: path length is too short: " |
1332 | "path-length=%zu", path_len); | |
55bb57e0 PP |
1333 | goto end; |
1334 | } | |
1335 | ||
1336 | path_len++; | |
1337 | /* | |
1338 | * Check if the file ends with a known plugin file type suffix (i.e. .so | |
1339 | * or .la on Linux). | |
1340 | */ | |
1341 | is_libtool_wrapper = !strncmp(LIBTOOL_PLUGIN_SUFFIX, | |
1342 | path + path_len - LIBTOOL_PLUGIN_SUFFIX_LEN, | |
1343 | LIBTOOL_PLUGIN_SUFFIX_LEN); | |
1344 | is_shared_object = !strncmp(NATIVE_PLUGIN_SUFFIX, | |
1345 | path + path_len - NATIVE_PLUGIN_SUFFIX_LEN, | |
1346 | NATIVE_PLUGIN_SUFFIX_LEN); | |
1347 | if (!is_shared_object && !is_libtool_wrapper) { | |
3fe0bf43 PP |
1348 | /* Name indicates this is not a plugin file; not an error */ |
1349 | BT_LOGV("File is not a SO plugin file: path=\"%s\"", path); | |
55bb57e0 PP |
1350 | goto end; |
1351 | } | |
1352 | ||
1353 | shared_lib_handle = bt_plugin_so_shared_lib_handle_create(path); | |
1354 | if (!shared_lib_handle) { | |
50ad9320 | 1355 | BT_LOGD_STR("Cannot create shared library handle."); |
55bb57e0 PP |
1356 | goto end; |
1357 | } | |
1358 | ||
52238017 MJ |
1359 | if (g_module_symbol(shared_lib_handle->module, "__bt_get_begin_section_plugin_descriptors", |
1360 | (gpointer *) &get_begin_section_plugin_descriptors)) { | |
1361 | descriptors_begin = get_begin_section_plugin_descriptors(); | |
1362 | } else { | |
3fe0bf43 PP |
1363 | BT_LOGD("Cannot resolve plugin symbol: path=\"%s\", " |
1364 | "symbol=\"%s\"", path, | |
52238017 | 1365 | "__bt_get_begin_section_plugin_descriptors"); |
55bb57e0 PP |
1366 | goto end; |
1367 | } | |
1368 | ||
52238017 MJ |
1369 | if (g_module_symbol(shared_lib_handle->module, "__bt_get_end_section_plugin_descriptors", |
1370 | (gpointer *) &get_end_section_plugin_descriptors)) { | |
1371 | descriptors_end = get_end_section_plugin_descriptors(); | |
1372 | } else { | |
3fe0bf43 PP |
1373 | BT_LOGD("Cannot resolve plugin symbol: path=\"%s\", " |
1374 | "symbol=\"%s\"", path, | |
52238017 | 1375 | "__bt_get_end_section_plugin_descriptors"); |
55bb57e0 PP |
1376 | goto end; |
1377 | } | |
1378 | ||
52238017 MJ |
1379 | if (g_module_symbol(shared_lib_handle->module, "__bt_get_begin_section_plugin_descriptor_attributes", |
1380 | (gpointer *) &get_begin_section_plugin_descriptor_attributes)) { | |
1381 | attrs_begin = get_begin_section_plugin_descriptor_attributes(); | |
1382 | } else { | |
3fe0bf43 PP |
1383 | BT_LOGD("Cannot resolve plugin symbol: path=\"%s\", " |
1384 | "symbol=\"%s\"", path, | |
52238017 | 1385 | "__bt_get_begin_section_plugin_descriptor_attributes"); |
55bb57e0 PP |
1386 | } |
1387 | ||
52238017 MJ |
1388 | if (g_module_symbol(shared_lib_handle->module, "__bt_get_end_section_plugin_descriptor_attributes", |
1389 | (gpointer *) &get_end_section_plugin_descriptor_attributes)) { | |
1390 | attrs_end = get_end_section_plugin_descriptor_attributes(); | |
1391 | } else { | |
3fe0bf43 PP |
1392 | BT_LOGD("Cannot resolve plugin symbol: path=\"%s\", " |
1393 | "symbol=\"%s\"", path, | |
52238017 | 1394 | "__bt_get_end_section_plugin_descriptor_attributes"); |
55bb57e0 PP |
1395 | } |
1396 | ||
1397 | if ((!!attrs_begin - !!attrs_end) != 0) { | |
3fe0bf43 PP |
1398 | BT_LOGD("Found section start or end symbol, but not both: " |
1399 | "path=\"%s\", symbol-start=\"%s\", " | |
1400 | "symbol-end=\"%s\", symbol-start-addr=%p, " | |
1401 | "symbol-end-addr=%p", | |
52238017 MJ |
1402 | path, "__bt_get_begin_section_plugin_descriptor_attributes", |
1403 | "__bt_get_end_section_plugin_descriptor_attributes", | |
3fe0bf43 | 1404 | attrs_begin, attrs_end); |
55bb57e0 PP |
1405 | goto end; |
1406 | } | |
1407 | ||
52238017 MJ |
1408 | if (g_module_symbol(shared_lib_handle->module, "__bt_get_begin_section_component_class_descriptors", |
1409 | (gpointer *) &get_begin_section_component_class_descriptors)) { | |
1410 | cc_descriptors_begin = get_begin_section_component_class_descriptors(); | |
1411 | } else { | |
3fe0bf43 PP |
1412 | BT_LOGD("Cannot resolve plugin symbol: path=\"%s\", " |
1413 | "symbol=\"%s\"", path, | |
52238017 | 1414 | "__bt_get_begin_section_component_class_descriptors"); |
55bb57e0 PP |
1415 | } |
1416 | ||
52238017 MJ |
1417 | if (g_module_symbol(shared_lib_handle->module, "__bt_get_end_section_component_class_descriptors", |
1418 | (gpointer *) &get_end_section_component_class_descriptors)) { | |
1419 | cc_descriptors_end = get_end_section_component_class_descriptors(); | |
1420 | } else { | |
3fe0bf43 PP |
1421 | BT_LOGD("Cannot resolve plugin symbol: path=\"%s\", " |
1422 | "symbol=\"%s\"", path, | |
52238017 | 1423 | "__bt_get_end_section_component_class_descriptors"); |
55bb57e0 PP |
1424 | } |
1425 | ||
1426 | if ((!!cc_descriptors_begin - !!cc_descriptors_end) != 0) { | |
3fe0bf43 PP |
1427 | BT_LOGD("Found section start or end symbol, but not both: " |
1428 | "path=\"%s\", symbol-start=\"%s\", " | |
1429 | "symbol-end=\"%s\", symbol-start-addr=%p, " | |
1430 | "symbol-end-addr=%p", | |
52238017 MJ |
1431 | path, "__bt_get_begin_section_component_class_descriptors", |
1432 | "__bt_get_end_section_component_class_descriptors", | |
3fe0bf43 | 1433 | cc_descriptors_begin, cc_descriptors_end); |
55bb57e0 PP |
1434 | goto end; |
1435 | } | |
1436 | ||
52238017 MJ |
1437 | if (g_module_symbol(shared_lib_handle->module, "__bt_get_begin_section_component_class_descriptor_attributes", |
1438 | (gpointer *) &get_begin_section_component_class_descriptor_attributes)) { | |
1439 | cc_descr_attrs_begin = get_begin_section_component_class_descriptor_attributes(); | |
1440 | } else { | |
3fe0bf43 PP |
1441 | BT_LOGD("Cannot resolve plugin symbol: path=\"%s\", " |
1442 | "symbol=\"%s\"", path, | |
52238017 | 1443 | "__bt_get_begin_section_component_class_descriptor_attributes"); |
55bb57e0 PP |
1444 | } |
1445 | ||
52238017 MJ |
1446 | if (g_module_symbol(shared_lib_handle->module, "__bt_get_end_section_component_class_descriptor_attributes", |
1447 | (gpointer *) &get_end_section_component_class_descriptor_attributes)) { | |
1448 | cc_descr_attrs_end = get_end_section_component_class_descriptor_attributes(); | |
1449 | } else { | |
3fe0bf43 PP |
1450 | BT_LOGD("Cannot resolve plugin symbol: path=\"%s\", " |
1451 | "symbol=\"%s\"", path, | |
52238017 | 1452 | "__bt_get_end_section_component_class_descriptor_attributes"); |
55bb57e0 PP |
1453 | } |
1454 | ||
1455 | if ((!!cc_descr_attrs_begin - !!cc_descr_attrs_end) != 0) { | |
3fe0bf43 PP |
1456 | BT_LOGD("Found section start or end symbol, but not both: " |
1457 | "path=\"%s\", symbol-start=\"%s\", " | |
1458 | "symbol-end=\"%s\", symbol-start-addr=%p, " | |
1459 | "symbol-end-addr=%p", | |
52238017 MJ |
1460 | path, "__bt_get_begin_section_component_class_descriptor_attributes", |
1461 | "__bt_get_end_section_component_class_descriptor_attributes", | |
3fe0bf43 | 1462 | cc_descr_attrs_begin, cc_descr_attrs_end); |
55bb57e0 PP |
1463 | goto end; |
1464 | } | |
1465 | ||
1466 | /* Initialize plugin */ | |
3fe0bf43 | 1467 | BT_LOGD_STR("Initializing plugin object."); |
a8ff38ef | 1468 | plugin_set = bt_plugin_so_create_all_from_sections(shared_lib_handle, |
55bb57e0 PP |
1469 | descriptors_begin, descriptors_end, attrs_begin, attrs_end, |
1470 | cc_descriptors_begin, cc_descriptors_end, | |
1471 | cc_descr_attrs_begin, cc_descr_attrs_end); | |
1472 | ||
1473 | end: | |
65300d60 | 1474 | BT_OBJECT_PUT_REF_AND_RESET(shared_lib_handle); |
a8ff38ef | 1475 | return plugin_set; |
55bb57e0 PP |
1476 | } |
1477 | ||
1478 | static | |
1479 | void plugin_comp_class_destroy_listener(struct bt_component_class *comp_class, | |
1480 | void *data) | |
1481 | { | |
bfa9a4be | 1482 | bt_list_del(&comp_class->node); |
65300d60 | 1483 | BT_OBJECT_PUT_REF_AND_RESET(comp_class->so_handle); |
bfa9a4be | 1484 | BT_LOGV("Component class destroyed: removed entry from list: " |
3fe0bf43 | 1485 | "comp-cls-addr=%p", comp_class); |
55bb57e0 PP |
1486 | } |
1487 | ||
1488 | BT_HIDDEN | |
3230ee6b | 1489 | void bt_plugin_so_on_add_component_class(struct bt_plugin *plugin, |
55bb57e0 PP |
1490 | struct bt_component_class *comp_class) |
1491 | { | |
55bb57e0 PP |
1492 | struct bt_plugin_so_spec_data *spec = plugin->spec_data; |
1493 | ||
f6ccaed9 PP |
1494 | BT_ASSERT(plugin->spec_data); |
1495 | BT_ASSERT(plugin->type == BT_PLUGIN_TYPE_SO); | |
55bb57e0 | 1496 | |
bfa9a4be | 1497 | bt_list_add(&comp_class->node, &component_class_list); |
65300d60 | 1498 | comp_class->so_handle = bt_object_get_ref(spec->shared_lib_handle); |
55bb57e0 PP |
1499 | |
1500 | /* Add our custom destroy listener */ | |
3230ee6b | 1501 | bt_component_class_add_destroy_listener(comp_class, |
55bb57e0 | 1502 | plugin_comp_class_destroy_listener, NULL); |
55bb57e0 | 1503 | } |