Commit | Line | Data |
---|---|---|
33b34c43 | 1 | /* |
f2b0325d | 2 | * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com> |
33b34c43 | 3 | * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
33b34c43 PP |
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 | ||
b03487ab | 26 | #define BT_LOG_TAG "LIB/PLUGIN" |
1633ef46 | 27 | #include "lib/logging.h" |
8c1a3187 | 28 | |
57952005 MJ |
29 | #include "common/assert.h" |
30 | #include "lib/assert-pre.h" | |
85e7137b | 31 | #include "common/macros.h" |
57952005 MJ |
32 | #include "compat/compiler.h" |
33 | #include "common/common.h" | |
71c5da58 MJ |
34 | #include <babeltrace2/plugin/plugin-const.h> |
35 | #include <babeltrace2/graph/component-class-const.h> | |
a8f90e5d | 36 | #include <babeltrace2/current-thread.h> |
57952005 | 37 | #include "lib/graph/component-class.h" |
71c5da58 | 38 | #include <babeltrace2/types.h> |
33b34c43 | 39 | #include <glib.h> |
33b34c43 PP |
40 | #include <unistd.h> |
41 | #include <stdlib.h> | |
9ac68eb1 | 42 | #include <stdint.h> |
8c1a3187 | 43 | #include <inttypes.h> |
33b34c43 | 44 | #include <sys/stat.h> |
1307d39e MJ |
45 | #include <ftw.h> |
46 | #include <pthread.h> | |
33b34c43 | 47 | |
57952005 MJ |
48 | #include "plugin.h" |
49 | #include "plugin-so.h" | |
fb25b9e3 | 50 | #include "lib/func-status.h" |
57952005 | 51 | |
7b783015 MJ |
52 | #define PYTHON_PLUGIN_PROVIDER_FILENAME "babeltrace2-python-plugin-provider." G_MODULE_SUFFIX |
53 | #define PYTHON_PLUGIN_PROVIDER_DIR BABELTRACE_PLUGIN_PROVIDERS_DIR | |
6fbd4105 | 54 | #define PYTHON_PLUGIN_PROVIDER_SYM_NAME bt_plugin_python_create_all_from_file |
85e7137b | 55 | #define PYTHON_PLUGIN_PROVIDER_SYM_NAME_STR G_STRINGIFY(PYTHON_PLUGIN_PROVIDER_SYM_NAME) |
33b34c43 | 56 | |
1307d39e MJ |
57 | #define APPEND_ALL_FROM_DIR_NFDOPEN_MAX 8 |
58 | ||
f3847c75 SM |
59 | /* Declare here to make sure definition in both ifdef branches are in sync. */ |
60 | static | |
61 | int init_python_plugin_provider(void); | |
62 | typedef int (*create_all_from_file_sym_type)( | |
63 | const char *path, | |
64 | bool fail_on_load_error, | |
65 | struct bt_plugin_set **plugin_set_out); | |
66 | ||
6fbd4105 | 67 | #ifdef BT_BUILT_IN_PYTHON_PLUGIN_SUPPORT |
57952005 | 68 | #include <plugin/python-plugin-provider.h> |
1307d39e | 69 | |
33b34c43 | 70 | static |
f3847c75 SM |
71 | create_all_from_file_sym_type |
72 | bt_plugin_python_create_all_from_file_sym = | |
73 | bt_plugin_python_create_all_from_file; | |
336ea5cd MJ |
74 | |
75 | static | |
f3847c75 | 76 | int init_python_plugin_provider(void) |
01f50d54 PP |
77 | { |
78 | } | |
6fbd4105 PP |
79 | #else /* BT_BUILT_IN_PYTHON_PLUGIN_SUPPORT */ |
80 | static GModule *python_plugin_provider_module; | |
01f50d54 | 81 | |
6fbd4105 | 82 | static |
f3847c75 | 83 | create_all_from_file_sym_type bt_plugin_python_create_all_from_file_sym; |
33b34c43 | 84 | |
336ea5cd | 85 | static |
a8f90e5d PP |
86 | int init_python_plugin_provider(void) { |
87 | int status = BT_FUNC_STATUS_OK; | |
7b783015 MJ |
88 | const char *provider_dir_envvar; |
89 | static const char * const provider_dir_envvar_name = "LIBBABELTRACE2_PLUGIN_PROVIDER_DIR"; | |
90 | char *provider_path = NULL; | |
a8f90e5d | 91 | |
8e01f2d9 | 92 | if (bt_plugin_python_create_all_from_file_sym) { |
a8f90e5d | 93 | goto end; |
336ea5cd MJ |
94 | } |
95 | ||
a684a357 | 96 | BT_LOGI_STR("Loading Python plugin provider module."); |
7b783015 MJ |
97 | |
98 | provider_dir_envvar = getenv(provider_dir_envvar_name); | |
99 | if (provider_dir_envvar) { | |
100 | provider_path = g_build_filename(provider_dir_envvar, | |
101 | PYTHON_PLUGIN_PROVIDER_FILENAME, NULL); | |
102 | BT_LOGI("Using `%s` environment variable to find the Python " | |
103 | "plugin provider: path=\"%s\"", provider_dir_envvar_name, | |
104 | provider_path); | |
105 | } else { | |
106 | provider_path = g_build_filename(PYTHON_PLUGIN_PROVIDER_DIR, | |
107 | PYTHON_PLUGIN_PROVIDER_FILENAME, NULL); | |
108 | BT_LOGI("Using default path (`%s` environment variable is not " | |
109 | "set) to find the Python plugin provider: path=\"%s\"", | |
110 | provider_dir_envvar_name, provider_path); | |
111 | } | |
112 | ||
113 | python_plugin_provider_module = g_module_open(provider_path, 0); | |
6fbd4105 | 114 | if (!python_plugin_provider_module) { |
01f50d54 PP |
115 | /* |
116 | * This is not an error. The whole point of having an | |
117 | * external Python plugin provider is that it can be | |
118 | * missing and the Babeltrace library still works. | |
119 | */ | |
20e3b31e | 120 | BT_LOGI("Cannot open `%s`: %s: continuing without Python plugin support.", |
7b783015 | 121 | provider_path, g_module_error()); |
a8f90e5d | 122 | goto end; |
33b34c43 PP |
123 | } |
124 | ||
6fbd4105 PP |
125 | if (!g_module_symbol(python_plugin_provider_module, |
126 | PYTHON_PLUGIN_PROVIDER_SYM_NAME_STR, | |
127 | (gpointer) &bt_plugin_python_create_all_from_file_sym)) { | |
01f50d54 PP |
128 | /* |
129 | * This is an error because, since we found the Python | |
130 | * plugin provider shared object, we expect this symbol | |
131 | * to exist. | |
132 | */ | |
a8f90e5d PP |
133 | BT_LIB_LOGE_APPEND_CAUSE( |
134 | "Cannot find the Python plugin provider loading symbol: " | |
01f50d54 | 135 | "%s: continuing without Python plugin support: " |
8c1a3187 | 136 | "file=\"%s\", symbol=\"%s\"", |
01f50d54 | 137 | g_module_error(), |
7b783015 | 138 | provider_path, |
8c1a3187 | 139 | PYTHON_PLUGIN_PROVIDER_SYM_NAME_STR); |
a8f90e5d PP |
140 | status = BT_FUNC_STATUS_ERROR; |
141 | goto end; | |
33b34c43 | 142 | } |
8c1a3187 | 143 | |
9e0bf9b0 | 144 | BT_LOGI("Loaded Python plugin provider module: addr=%p", |
8c1a3187 | 145 | python_plugin_provider_module); |
a8f90e5d PP |
146 | |
147 | end: | |
7b783015 MJ |
148 | g_free(provider_path); |
149 | ||
a8f90e5d | 150 | return status; |
33b34c43 PP |
151 | } |
152 | ||
6fbd4105 PP |
153 | __attribute__((destructor)) static |
154 | void fini_python_plugin_provider(void) { | |
155 | if (python_plugin_provider_module) { | |
a684a357 | 156 | BT_LOGI("Unloading Python plugin provider module."); |
8c1a3187 PP |
157 | |
158 | if (!g_module_close(python_plugin_provider_module)) { | |
a8f90e5d PP |
159 | /* |
160 | * This occurs when the library is finalized: do | |
161 | * NOT append an error cause. | |
162 | */ | |
8c1a3187 PP |
163 | BT_LOGE("Failed to close the Python plugin provider module: %s.", |
164 | g_module_error()); | |
165 | } | |
166 | ||
6fbd4105 | 167 | python_plugin_provider_module = NULL; |
6ba0b073 | 168 | } |
6ba0b073 | 169 | } |
6fbd4105 | 170 | #endif |
6ba0b073 | 171 | |
15a5b9a8 | 172 | uint64_t bt_plugin_set_get_plugin_count(const struct bt_plugin_set *plugin_set) |
a8ff38ef | 173 | { |
fa6cfec3 | 174 | BT_ASSERT_PRE_DEV_NON_NULL(plugin_set, "Plugin set"); |
834e9996 | 175 | return (uint64_t) plugin_set->plugins->len; |
a8ff38ef PP |
176 | } |
177 | ||
3a2cb327 PP |
178 | const struct bt_plugin *bt_plugin_set_borrow_plugin_by_index_const( |
179 | const struct bt_plugin_set *plugin_set, uint64_t index) | |
a8ff38ef | 180 | { |
fa6cfec3 PP |
181 | BT_ASSERT_PRE_DEV_NON_NULL(plugin_set, "Plugin set"); |
182 | BT_ASSERT_PRE_DEV_VALID_INDEX(index, plugin_set->plugins->len); | |
834e9996 | 183 | return g_ptr_array_index(plugin_set->plugins, index); |
a8ff38ef PP |
184 | } |
185 | ||
fb25b9e3 | 186 | enum bt_plugin_find_all_from_static_status bt_plugin_find_all_from_static( |
01f50d54 PP |
187 | bt_bool fail_on_load_error, |
188 | const struct bt_plugin_set **plugin_set_out) | |
6ba0b073 | 189 | { |
8c1a3187 | 190 | /* bt_plugin_so_create_all_from_static() logs errors */ |
01f50d54 PP |
191 | return bt_plugin_so_create_all_from_static(fail_on_load_error, |
192 | (void *) plugin_set_out); | |
6ba0b073 PP |
193 | } |
194 | ||
fb25b9e3 PP |
195 | enum bt_plugin_find_all_from_file_status bt_plugin_find_all_from_file( |
196 | const char *path, bt_bool fail_on_load_error, | |
01f50d54 | 197 | const struct bt_plugin_set **plugin_set_out) |
33b34c43 | 198 | { |
fb25b9e3 | 199 | enum bt_plugin_find_all_from_file_status status; |
33b34c43 | 200 | |
834e9996 | 201 | BT_ASSERT_PRE_NON_NULL(path, "Path"); |
01f50d54 | 202 | BT_ASSERT_PRE_NON_NULL(path, "Plugin set (output)"); |
a684a357 | 203 | BT_LOGI("Creating plugins from file: path=\"%s\"", path); |
6ba0b073 | 204 | |
55bb57e0 | 205 | /* Try shared object plugins */ |
01f50d54 PP |
206 | status = bt_plugin_so_create_all_from_file(path, fail_on_load_error, |
207 | (void *) plugin_set_out); | |
fb25b9e3 | 208 | if (status == BT_FUNC_STATUS_OK) { |
01f50d54 PP |
209 | BT_ASSERT(*plugin_set_out); |
210 | BT_ASSERT((*plugin_set_out)->plugins->len > 0); | |
211 | goto end; | |
212 | } else if (status < 0) { | |
213 | BT_ASSERT(!*plugin_set_out); | |
6ba0b073 PP |
214 | goto end; |
215 | } | |
216 | ||
fb25b9e3 | 217 | BT_ASSERT(status == BT_FUNC_STATUS_NOT_FOUND); |
01f50d54 PP |
218 | BT_ASSERT(!*plugin_set_out); |
219 | ||
6fbd4105 | 220 | /* Try Python plugins if support is available */ |
a8f90e5d PP |
221 | status = init_python_plugin_provider(); |
222 | if (status < 0) { | |
223 | /* init_python_plugin_provider() logs errors */ | |
224 | goto end; | |
225 | } | |
226 | ||
227 | BT_ASSERT(status == BT_FUNC_STATUS_OK); | |
228 | status = BT_FUNC_STATUS_NOT_FOUND; | |
229 | ||
6fbd4105 | 230 | if (bt_plugin_python_create_all_from_file_sym) { |
a8f90e5d | 231 | /* Python plugin provider exists */ |
01f50d54 PP |
232 | status = bt_plugin_python_create_all_from_file_sym(path, |
233 | fail_on_load_error, (void *) plugin_set_out); | |
fb25b9e3 | 234 | if (status == BT_FUNC_STATUS_OK) { |
01f50d54 PP |
235 | BT_ASSERT(*plugin_set_out); |
236 | BT_ASSERT((*plugin_set_out)->plugins->len > 0); | |
237 | goto end; | |
238 | } else if (status < 0) { | |
a8f90e5d PP |
239 | /* |
240 | * bt_plugin_python_create_all_from_file_sym() | |
241 | * handles `fail_on_load_error` itself, so this | |
242 | * is a "real" error. | |
243 | */ | |
01f50d54 | 244 | BT_ASSERT(!*plugin_set_out); |
6fbd4105 PP |
245 | goto end; |
246 | } | |
01f50d54 | 247 | |
fb25b9e3 | 248 | BT_ASSERT(status == BT_FUNC_STATUS_NOT_FOUND); |
01f50d54 | 249 | BT_ASSERT(!*plugin_set_out); |
6ba0b073 PP |
250 | } |
251 | ||
33b34c43 | 252 | end: |
fb25b9e3 | 253 | if (status == BT_FUNC_STATUS_OK) { |
a684a357 | 254 | BT_LOGI("Created %u plugins from file: " |
8c1a3187 | 255 | "path=\"%s\", count=%u, plugin-set-addr=%p", |
01f50d54 PP |
256 | (*plugin_set_out)->plugins->len, path, |
257 | (*plugin_set_out)->plugins->len, | |
258 | *plugin_set_out); | |
fb25b9e3 | 259 | } else if (status == BT_FUNC_STATUS_NOT_FOUND) { |
a684a357 | 260 | BT_LOGI("Found no plugins in file: path=\"%s\"", path); |
8c1a3187 PP |
261 | } |
262 | ||
01f50d54 | 263 | return status; |
33b34c43 PP |
264 | } |
265 | ||
7d8f15e6 PP |
266 | static |
267 | void destroy_gstring(void *data) | |
1670bffd PP |
268 | { |
269 | g_string_free(data, TRUE); | |
270 | } | |
271 | ||
7d8f15e6 PP |
272 | enum bt_plugin_find_all_status bt_plugin_find_all(bt_bool find_in_std_env_var, |
273 | bt_bool find_in_user_dir, bt_bool find_in_sys_dir, | |
274 | bt_bool find_in_static, bt_bool fail_on_load_error, | |
275 | const struct bt_plugin_set **plugin_set_out) | |
1670bffd | 276 | { |
1670bffd | 277 | char *home_plugin_dir = NULL; |
3a2cb327 | 278 | const struct bt_plugin_set *plugin_set = NULL; |
1670bffd PP |
279 | GPtrArray *dirs = NULL; |
280 | int ret; | |
fb25b9e3 | 281 | int status = BT_FUNC_STATUS_OK; |
7d8f15e6 PP |
282 | uint64_t dir_i, plugin_i; |
283 | ||
284 | BT_ASSERT_PRE_NON_NULL(plugin_set_out, "Plugin set (output)"); | |
285 | BT_LOGI("Finding all plugins in standard directories and built-in plugins: " | |
286 | "find-in-std-env-var=%d, find-in-user-dir=%d, " | |
287 | "find-in-sys-dir=%d, find-in-static=%d", | |
288 | find_in_std_env_var, find_in_user_dir, find_in_sys_dir, | |
289 | find_in_static); | |
1670bffd PP |
290 | dirs = g_ptr_array_new_with_free_func((GDestroyNotify) destroy_gstring); |
291 | if (!dirs) { | |
a8f90e5d | 292 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate a GPtrArray."); |
fb25b9e3 | 293 | status = BT_FUNC_STATUS_MEMORY_ERROR; |
1670bffd PP |
294 | goto end; |
295 | } | |
296 | ||
7d8f15e6 PP |
297 | *plugin_set_out = bt_plugin_set_create(); |
298 | if (!*plugin_set_out) { | |
299 | BT_LIB_LOGE_APPEND_CAUSE("Cannot create empty plugin set."); | |
300 | status = BT_FUNC_STATUS_MEMORY_ERROR; | |
301 | goto end; | |
302 | } | |
303 | ||
1670bffd PP |
304 | /* |
305 | * Search order is: | |
306 | * | |
7d8f15e6 | 307 | * 1. `BABELTRACE_PLUGIN_PATH` environment variable |
1670bffd | 308 | * (colon-separated list of directories) |
7d8f15e6 | 309 | * 2. `~/.local/lib/babeltrace2/plugins` |
1670bffd | 310 | * 3. Default system directory for Babeltrace plugins, usually |
7d8f15e6 PP |
311 | * `/usr/lib/babeltrace2/plugins` or |
312 | * `/usr/local/lib/babeltrace2/plugins` if installed locally | |
1670bffd PP |
313 | * 4. Built-in plugins (static) |
314 | * | |
315 | * Directories are searched non-recursively. | |
316 | */ | |
7d8f15e6 PP |
317 | if (find_in_std_env_var) { |
318 | const char *envvar = getenv("BABELTRACE_PLUGIN_PATH"); | |
319 | ||
320 | if (envvar) { | |
321 | ret = bt_common_append_plugin_path_dirs(envvar, dirs); | |
322 | if (ret) { | |
323 | BT_LIB_LOGE_APPEND_CAUSE( | |
324 | "Failed to append plugin path to array of directories."); | |
325 | status = BT_FUNC_STATUS_MEMORY_ERROR; | |
326 | goto end; | |
327 | } | |
1670bffd PP |
328 | } |
329 | } | |
330 | ||
7d8f15e6 PP |
331 | if (find_in_user_dir) { |
332 | home_plugin_dir = bt_common_get_home_plugin_path( | |
333 | BT_LOG_OUTPUT_LEVEL); | |
334 | if (home_plugin_dir) { | |
335 | GString *home_plugin_dir_str = g_string_new( | |
336 | home_plugin_dir); | |
1670bffd | 337 | |
7d8f15e6 PP |
338 | if (!home_plugin_dir_str) { |
339 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate a GString."); | |
340 | status = BT_FUNC_STATUS_MEMORY_ERROR; | |
341 | goto end; | |
342 | } | |
1670bffd | 343 | |
7d8f15e6 PP |
344 | g_ptr_array_add(dirs, home_plugin_dir_str); |
345 | } | |
1670bffd PP |
346 | } |
347 | ||
7d8f15e6 PP |
348 | if (find_in_sys_dir) { |
349 | const char *system_plugin_dir = | |
350 | bt_common_get_system_plugin_path(); | |
1670bffd | 351 | |
7d8f15e6 PP |
352 | if (system_plugin_dir) { |
353 | GString *system_plugin_dir_str = | |
354 | g_string_new(system_plugin_dir); | |
355 | ||
356 | if (!system_plugin_dir_str) { | |
357 | BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate a GString."); | |
358 | status = BT_FUNC_STATUS_MEMORY_ERROR; | |
359 | goto end; | |
360 | } | |
1670bffd | 361 | |
7d8f15e6 PP |
362 | g_ptr_array_add(dirs, system_plugin_dir_str); |
363 | } | |
1670bffd PP |
364 | } |
365 | ||
7d8f15e6 PP |
366 | for (dir_i = 0; dir_i < dirs->len; dir_i++) { |
367 | GString *dir = dirs->pdata[dir_i]; | |
1670bffd | 368 | |
8138bfe1 | 369 | BT_OBJECT_PUT_REF_AND_RESET(plugin_set); |
8c1a3187 | 370 | |
50ad9320 PP |
371 | /* |
372 | * Skip this if the directory does not exist because | |
781ae911 | 373 | * bt_plugin_find_all_from_dir() would log a warning. |
50ad9320 PP |
374 | */ |
375 | if (!g_file_test(dir->str, G_FILE_TEST_IS_DIR)) { | |
a684a357 | 376 | BT_LOGI("Skipping nonexistent directory path: " |
50ad9320 PP |
377 | "path=\"%s\"", dir->str); |
378 | continue; | |
379 | } | |
380 | ||
781ae911 | 381 | /* bt_plugin_find_all_from_dir() logs details/errors */ |
01f50d54 PP |
382 | status = bt_plugin_find_all_from_dir(dir->str, BT_FALSE, |
383 | fail_on_load_error, &plugin_set); | |
384 | if (status < 0) { | |
385 | BT_ASSERT(!plugin_set); | |
386 | goto end; | |
fb25b9e3 | 387 | } else if (status == BT_FUNC_STATUS_NOT_FOUND) { |
01f50d54 | 388 | BT_ASSERT(!plugin_set); |
a684a357 | 389 | BT_LOGI("No plugins found in directory: path=\"%s\"", |
8c1a3187 | 390 | dir->str); |
1670bffd PP |
391 | continue; |
392 | } | |
393 | ||
fb25b9e3 | 394 | BT_ASSERT(status == BT_FUNC_STATUS_OK); |
01f50d54 | 395 | BT_ASSERT(plugin_set); |
7d8f15e6 PP |
396 | BT_LOGI("Found plugins in directory: path=\"%s\", count=%u", |
397 | dir->str, plugin_set->plugins->len); | |
01f50d54 | 398 | |
7d8f15e6 PP |
399 | for (plugin_i = 0; plugin_i < plugin_set->plugins->len; |
400 | plugin_i++) { | |
401 | bt_plugin_set_add_plugin((void *) *plugin_set_out, | |
402 | plugin_set->plugins->pdata[plugin_i]); | |
403 | } | |
404 | } | |
1670bffd | 405 | |
7d8f15e6 PP |
406 | if (find_in_static) { |
407 | BT_OBJECT_PUT_REF_AND_RESET(plugin_set); | |
408 | status = bt_plugin_find_all_from_static(fail_on_load_error, | |
409 | &plugin_set); | |
410 | if (status < 0) { | |
411 | BT_ASSERT(!plugin_set); | |
412 | goto end; | |
413 | } else if (status == BT_FUNC_STATUS_NOT_FOUND) { | |
414 | BT_ASSERT(!plugin_set); | |
415 | BT_LOGI_STR("No plugins found in built-in plugins."); | |
416 | goto end; | |
1670bffd | 417 | } |
8c1a3187 | 418 | |
7d8f15e6 PP |
419 | BT_ASSERT(status == BT_FUNC_STATUS_OK); |
420 | BT_ASSERT(plugin_set); | |
421 | BT_LOGI("Found built-in plugins: count=%u", | |
422 | plugin_set->plugins->len); | |
423 | ||
424 | for (plugin_i = 0; plugin_i < plugin_set->plugins->len; | |
425 | plugin_i++) { | |
426 | bt_plugin_set_add_plugin((void *) *plugin_set_out, | |
427 | plugin_set->plugins->pdata[plugin_i]); | |
428 | } | |
429 | } | |
430 | ||
431 | end: | |
432 | free(home_plugin_dir); | |
433 | bt_object_put_ref(plugin_set); | |
434 | ||
435 | if (dirs) { | |
436 | g_ptr_array_free(dirs, TRUE); | |
1670bffd PP |
437 | } |
438 | ||
01f50d54 | 439 | if (status < 0) { |
7d8f15e6 PP |
440 | BT_OBJECT_PUT_REF_AND_RESET(*plugin_set_out); |
441 | } else { | |
442 | BT_ASSERT(*plugin_set_out); | |
443 | ||
444 | if ((*plugin_set_out)->plugins->len > 0) { | |
445 | BT_LOGI("Found plugins in standard directories and built-in plugins: " | |
446 | "count=%u", (*plugin_set_out)->plugins->len); | |
447 | status = BT_FUNC_STATUS_OK; | |
448 | } else { | |
449 | BT_LOGI_STR("No plugins found in standard directories and built-in plugins."); | |
450 | status = BT_FUNC_STATUS_NOT_FOUND; | |
451 | BT_OBJECT_PUT_REF_AND_RESET(*plugin_set_out); | |
452 | } | |
453 | } | |
454 | ||
455 | return status; | |
456 | } | |
457 | ||
458 | enum bt_plugin_find_status bt_plugin_find(const char *plugin_name, | |
459 | bt_bool find_in_std_env_var, bt_bool find_in_user_dir, | |
460 | bt_bool find_in_sys_dir, bt_bool find_in_static, | |
461 | bt_bool fail_on_load_error, const struct bt_plugin **plugin_out) | |
462 | { | |
463 | enum bt_plugin_find_status status; | |
464 | const struct bt_plugin_set *plugin_set = NULL; | |
465 | uint64_t i; | |
466 | ||
467 | BT_ASSERT_PRE_NON_NULL(plugin_name, "Name"); | |
468 | BT_ASSERT_PRE_NON_NULL(plugin_out, "Plugin (output)"); | |
469 | BT_LOGI("Finding named plugin in standard directories and built-in plugins: " | |
470 | "name=\"%s\", find-in-std-env-var=%d, find-in-user-dir=%d, " | |
471 | "find-in-sys-dir=%d, find-in-static=%d", | |
472 | plugin_name, find_in_std_env_var, find_in_user_dir, | |
473 | find_in_sys_dir, find_in_static); | |
a99db7a1 | 474 | status = (enum bt_plugin_find_status) bt_plugin_find_all(find_in_std_env_var, find_in_user_dir, |
7d8f15e6 PP |
475 | find_in_sys_dir, find_in_static, fail_on_load_error, |
476 | &plugin_set); | |
477 | if (status != BT_FUNC_STATUS_OK) { | |
467bf409 | 478 | BT_ASSERT(!plugin_set); |
01f50d54 PP |
479 | goto end; |
480 | } | |
481 | ||
01f50d54 PP |
482 | BT_ASSERT(plugin_set); |
483 | ||
7d8f15e6 PP |
484 | for (i = 0; i < plugin_set->plugins->len; i++) { |
485 | const struct bt_plugin *plugin = plugin_set->plugins->pdata[i]; | |
01f50d54 | 486 | |
7d8f15e6 PP |
487 | if (strcmp(plugin->info.name->str, plugin_name) == 0) { |
488 | *plugin_out = plugin; | |
864aa43f | 489 | bt_object_get_ref_no_null_check(*plugin_out); |
01f50d54 | 490 | goto end; |
1670bffd | 491 | } |
1670bffd PP |
492 | } |
493 | ||
fb25b9e3 | 494 | status = BT_FUNC_STATUS_NOT_FOUND; |
01f50d54 | 495 | |
1670bffd | 496 | end: |
fb25b9e3 | 497 | if (status == BT_FUNC_STATUS_OK) { |
7d8f15e6 | 498 | BT_ASSERT(*plugin_out); |
a684a357 | 499 | BT_LIB_LOGI("Found plugin in standard directories and built-in plugins: " |
7d8f15e6 PP |
500 | "%!+l", *plugin_out); |
501 | } else if (status == BT_FUNC_STATUS_NOT_FOUND) { | |
a684a357 | 502 | BT_LOGI("No plugin found in standard directories and built-in plugins: " |
8c1a3187 PP |
503 | "name=\"%s\"", plugin_name); |
504 | } | |
505 | ||
467bf409 FD |
506 | bt_plugin_set_put_ref(plugin_set); |
507 | ||
01f50d54 | 508 | return status; |
1670bffd PP |
509 | } |
510 | ||
1307d39e MJ |
511 | static struct { |
512 | pthread_mutex_t lock; | |
513 | struct bt_plugin_set *plugin_set; | |
834e9996 | 514 | bool recurse; |
01f50d54 | 515 | bool fail_on_load_error; |
fb25b9e3 | 516 | int status; |
1307d39e MJ |
517 | } append_all_from_dir_info = { |
518 | .lock = PTHREAD_MUTEX_INITIALIZER | |
519 | }; | |
520 | ||
33b34c43 | 521 | static |
01f50d54 PP |
522 | int nftw_append_all_from_dir(const char *file, |
523 | const struct stat *sb, int flag, struct FTW *s) | |
33b34c43 | 524 | { |
1307d39e MJ |
525 | int ret = 0; |
526 | const char *name = file + s->base; | |
527 | ||
528 | /* Check for recursion */ | |
529 | if (!append_all_from_dir_info.recurse && s->level > 1) { | |
530 | goto end; | |
531 | } | |
532 | ||
533 | switch (flag) { | |
534 | case FTW_F: | |
be3c4e36 | 535 | { |
01f50d54 | 536 | const struct bt_plugin_set *plugins_from_file = NULL; |
be3c4e36 | 537 | |
1307d39e MJ |
538 | if (name[0] == '.') { |
539 | /* Skip hidden files */ | |
a684a357 | 540 | BT_LOGI("Skipping hidden file: path=\"%s\"", file); |
1307d39e MJ |
541 | goto end; |
542 | } | |
be3c4e36 | 543 | |
01f50d54 PP |
544 | append_all_from_dir_info.status = |
545 | bt_plugin_find_all_from_file(file, | |
546 | append_all_from_dir_info.fail_on_load_error, | |
547 | &plugins_from_file); | |
fb25b9e3 | 548 | if (append_all_from_dir_info.status == BT_FUNC_STATUS_OK) { |
1307d39e MJ |
549 | size_t j; |
550 | ||
01f50d54 PP |
551 | BT_ASSERT(plugins_from_file); |
552 | ||
1307d39e MJ |
553 | for (j = 0; j < plugins_from_file->plugins->len; j++) { |
554 | struct bt_plugin *plugin = | |
555 | g_ptr_array_index(plugins_from_file->plugins, j); | |
556 | ||
a684a357 | 557 | BT_LIB_LOGI("Adding plugin to plugin set: " |
834e9996 PP |
558 | "plugin-path=\"%s\", %![plugin-]+l", |
559 | file, plugin); | |
3a2cb327 PP |
560 | bt_plugin_set_add_plugin( |
561 | append_all_from_dir_info.plugin_set, | |
562 | plugin); | |
1307d39e | 563 | } |
33b34c43 | 564 | |
8138bfe1 | 565 | bt_object_put_ref(plugins_from_file); |
01f50d54 PP |
566 | goto end; |
567 | } else if (append_all_from_dir_info.status < 0) { | |
568 | /* bt_plugin_find_all_from_file() logs errors */ | |
569 | BT_ASSERT(!plugins_from_file); | |
570 | ret = -1; | |
571 | goto end; | |
1307d39e | 572 | } |
01f50d54 PP |
573 | |
574 | /* | |
575 | * Not found in this file: this is no an error; continue | |
576 | * walking the directories. | |
577 | */ | |
578 | BT_ASSERT(!plugins_from_file); | |
579 | BT_ASSERT(append_all_from_dir_info.status == | |
fb25b9e3 | 580 | BT_FUNC_STATUS_NOT_FOUND); |
1307d39e | 581 | break; |
be3c4e36 | 582 | } |
1307d39e MJ |
583 | case FTW_DNR: |
584 | /* Continue to next file / directory. */ | |
01f50d54 | 585 | BT_LOGI("Cannot enter directory: continuing: path=\"%s\"", file); |
1307d39e MJ |
586 | break; |
587 | case FTW_NS: | |
588 | /* Continue to next file / directory. */ | |
a684a357 | 589 | BT_LOGI("Cannot get file information: continuing: path=\"%s\"", file); |
1307d39e | 590 | break; |
33b34c43 | 591 | } |
1307d39e MJ |
592 | |
593 | end: | |
594 | return ret; | |
33b34c43 PP |
595 | } |
596 | ||
597 | static | |
fb25b9e3 PP |
598 | int bt_plugin_create_append_all_from_dir(struct bt_plugin_set *plugin_set, |
599 | const char *path, bt_bool recurse, bt_bool fail_on_load_error) | |
33b34c43 | 600 | { |
1307d39e | 601 | int nftw_flags = FTW_PHYS; |
01f50d54 | 602 | int ret; |
fb25b9e3 | 603 | int status; |
f9d17c1c | 604 | struct stat sb; |
33b34c43 | 605 | |
834e9996 PP |
606 | BT_ASSERT(plugin_set); |
607 | BT_ASSERT(path); | |
608 | BT_ASSERT(strlen(path) < PATH_MAX); | |
f9d17c1c JR |
609 | |
610 | /* | |
611 | * Make sure that path exists and is accessible. | |
612 | * This is necessary since Cygwin implementation of nftw() is not POSIX | |
613 | * compliant. Cygwin nftw() implementation does not fail on non-existent | |
614 | * path with ENOENT. Instead, it flags the directory as FTW_NS. FTW_NS during | |
615 | * nftw_append_all_from_dir is not treated as an error since we are | |
616 | * traversing the tree for plugin discovery. | |
617 | */ | |
618 | if (stat(path, &sb)) { | |
619 | BT_LOGW_ERRNO("Cannot open directory", | |
620 | ": path=\"%s\", recurse=%d", | |
621 | path, recurse); | |
a8f90e5d PP |
622 | (void) BT_CURRENT_THREAD_ERROR_APPEND_CAUSE_FROM_UNKNOWN( |
623 | "Babeltrace library", | |
624 | "Cannot open directory: path=\"%s\", recurse=%d", | |
625 | path, recurse); | |
fb25b9e3 | 626 | status = BT_FUNC_STATUS_ERROR; |
f9d17c1c JR |
627 | goto end; |
628 | } | |
629 | ||
1307d39e | 630 | pthread_mutex_lock(&append_all_from_dir_info.lock); |
1307d39e MJ |
631 | append_all_from_dir_info.plugin_set = plugin_set; |
632 | append_all_from_dir_info.recurse = recurse; | |
fb25b9e3 | 633 | append_all_from_dir_info.status = BT_FUNC_STATUS_OK; |
01f50d54 | 634 | append_all_from_dir_info.fail_on_load_error = fail_on_load_error; |
1307d39e MJ |
635 | ret = nftw(path, nftw_append_all_from_dir, |
636 | APPEND_ALL_FROM_DIR_NFDOPEN_MAX, nftw_flags); | |
01f50d54 PP |
637 | append_all_from_dir_info.plugin_set = NULL; |
638 | status = append_all_from_dir_info.status; | |
1307d39e | 639 | pthread_mutex_unlock(&append_all_from_dir_info.lock); |
01f50d54 | 640 | if (ret) { |
a8f90e5d | 641 | BT_LIB_LOGW_APPEND_CAUSE("Failed to walk directory", |
01f50d54 PP |
642 | ": path=\"%s\", recurse=%d", |
643 | path, recurse); | |
fb25b9e3 | 644 | status = BT_FUNC_STATUS_ERROR; |
01f50d54 PP |
645 | goto end; |
646 | } | |
647 | ||
fb25b9e3 | 648 | if (status == BT_FUNC_STATUS_NOT_FOUND) { |
01f50d54 PP |
649 | /* |
650 | * We're just appending in this function; even if | |
651 | * nothing was found, it's still okay from the caller's | |
652 | * perspective. | |
653 | */ | |
fb25b9e3 | 654 | status = BT_FUNC_STATUS_OK; |
33b34c43 | 655 | } |
8c1a3187 | 656 | |
01f50d54 | 657 | end: |
70d47316 | 658 | return status; |
33b34c43 PP |
659 | } |
660 | ||
fb25b9e3 PP |
661 | enum bt_plugin_find_all_from_dir_status bt_plugin_find_all_from_dir( |
662 | const char *path, bt_bool recurse, bt_bool fail_on_load_error, | |
01f50d54 | 663 | const struct bt_plugin_set **plugin_set_out) |
33b34c43 | 664 | { |
fb25b9e3 PP |
665 | enum bt_plugin_find_all_from_dir_status status = |
666 | BT_FUNC_STATUS_OK; | |
33b34c43 | 667 | |
01f50d54 | 668 | BT_ASSERT_PRE_NON_NULL(plugin_set_out, "Plugin set (output)"); |
a684a357 | 669 | BT_LOGI("Creating all plugins in directory: path=\"%s\", recurse=%d", |
8c1a3187 | 670 | path, recurse); |
01f50d54 PP |
671 | *plugin_set_out = bt_plugin_set_create(); |
672 | if (!*plugin_set_out) { | |
a8f90e5d | 673 | BT_LIB_LOGE_APPEND_CAUSE("Cannot create empty plugin set."); |
fb25b9e3 | 674 | status = BT_FUNC_STATUS_MEMORY_ERROR; |
a8ff38ef PP |
675 | goto error; |
676 | } | |
677 | ||
01f50d54 PP |
678 | /* |
679 | * Append found plugins to array (never returns | |
fb25b9e3 | 680 | * `BT_FUNC_STATUS_NOT_FOUND`) |
01f50d54 PP |
681 | */ |
682 | status = bt_plugin_create_append_all_from_dir((void *) *plugin_set_out, | |
683 | path, recurse, fail_on_load_error); | |
33b34c43 | 684 | if (status < 0) { |
01f50d54 PP |
685 | /* |
686 | * bt_plugin_create_append_all_from_dir() handles | |
687 | * `fail_on_load_error`, so this is a "real" error. | |
688 | */ | |
a8f90e5d PP |
689 | BT_LIB_LOGE_APPEND_CAUSE( |
690 | "Cannot append plugins found in directory: " | |
dbd7f7e9 | 691 | "path=\"%s\", status=%s", |
fb25b9e3 | 692 | path, bt_common_func_status_string(status)); |
33b34c43 PP |
693 | goto error; |
694 | } | |
695 | ||
fb25b9e3 | 696 | BT_ASSERT(status == BT_FUNC_STATUS_OK); |
01f50d54 PP |
697 | |
698 | if ((*plugin_set_out)->plugins->len == 0) { | |
699 | /* Nothing was appended: not found */ | |
700 | BT_LOGI("No plugins found in directory: path=\"%s\"", path); | |
fb25b9e3 | 701 | status = BT_FUNC_STATUS_NOT_FOUND; |
01f50d54 PP |
702 | goto error; |
703 | } | |
704 | ||
a684a357 | 705 | BT_LOGI("Created %u plugins from directory: count=%u, path=\"%s\"", |
01f50d54 PP |
706 | (*plugin_set_out)->plugins->len, |
707 | (*plugin_set_out)->plugins->len, path); | |
33b34c43 PP |
708 | goto end; |
709 | ||
710 | error: | |
fb25b9e3 | 711 | BT_ASSERT(status != BT_FUNC_STATUS_OK); |
01f50d54 | 712 | BT_OBJECT_PUT_REF_AND_RESET(*plugin_set_out); |
33b34c43 PP |
713 | |
714 | end: | |
01f50d54 | 715 | return status; |
33b34c43 PP |
716 | } |
717 | ||
3a2cb327 | 718 | const char *bt_plugin_get_name(const struct bt_plugin *plugin) |
33b34c43 | 719 | { |
fa6cfec3 | 720 | BT_ASSERT_PRE_DEV_NON_NULL(plugin, "Plugin"); |
834e9996 | 721 | return plugin->info.name_set ? plugin->info.name->str : NULL; |
33b34c43 PP |
722 | } |
723 | ||
3a2cb327 | 724 | const char *bt_plugin_get_author(const struct bt_plugin *plugin) |
33b34c43 | 725 | { |
fa6cfec3 | 726 | BT_ASSERT_PRE_DEV_NON_NULL(plugin, "Plugin"); |
834e9996 | 727 | return plugin->info.author_set ? plugin->info.author->str : NULL; |
33b34c43 PP |
728 | } |
729 | ||
3a2cb327 | 730 | const char *bt_plugin_get_license(const struct bt_plugin *plugin) |
33b34c43 | 731 | { |
fa6cfec3 | 732 | BT_ASSERT_PRE_DEV_NON_NULL(plugin, "Plugin"); |
834e9996 | 733 | return plugin->info.license_set ? plugin->info.license->str : NULL; |
33b34c43 PP |
734 | } |
735 | ||
3a2cb327 | 736 | const char *bt_plugin_get_path(const struct bt_plugin *plugin) |
33b34c43 | 737 | { |
fa6cfec3 | 738 | BT_ASSERT_PRE_DEV_NON_NULL(plugin, "Plugin"); |
834e9996 | 739 | return plugin->info.path_set ? plugin->info.path->str : NULL; |
33b34c43 PP |
740 | } |
741 | ||
3a2cb327 | 742 | const char *bt_plugin_get_description(const struct bt_plugin *plugin) |
33b34c43 | 743 | { |
fa6cfec3 | 744 | BT_ASSERT_PRE_DEV_NON_NULL(plugin, "Plugin"); |
834e9996 PP |
745 | return plugin->info.description_set ? |
746 | plugin->info.description->str : NULL; | |
33b34c43 PP |
747 | } |
748 | ||
3a2cb327 | 749 | enum bt_property_availability bt_plugin_get_version(const struct bt_plugin *plugin, |
b6de043b PP |
750 | unsigned int *major, unsigned int *minor, unsigned int *patch, |
751 | const char **extra) | |
752 | { | |
834e9996 PP |
753 | enum bt_property_availability avail = |
754 | BT_PROPERTY_AVAILABILITY_AVAILABLE; | |
b6de043b | 755 | |
fa6cfec3 | 756 | BT_ASSERT_PRE_DEV_NON_NULL(plugin, "Plugin"); |
8c1a3187 PP |
757 | |
758 | if (!plugin->info.version_set) { | |
a684a357 | 759 | BT_LIB_LOGD("Plugin's version is not set: %!+l", plugin); |
834e9996 | 760 | avail = BT_PROPERTY_AVAILABILITY_NOT_AVAILABLE; |
b6de043b PP |
761 | goto end; |
762 | } | |
763 | ||
764 | if (major) { | |
55bb57e0 | 765 | *major = plugin->info.version.major; |
b6de043b PP |
766 | } |
767 | ||
768 | if (minor) { | |
55bb57e0 | 769 | *minor = plugin->info.version.minor; |
b6de043b PP |
770 | } |
771 | ||
772 | if (patch) { | |
55bb57e0 | 773 | *patch = plugin->info.version.patch; |
b6de043b PP |
774 | } |
775 | ||
776 | if (extra) { | |
55bb57e0 | 777 | *extra = plugin->info.version.extra->str; |
b6de043b PP |
778 | } |
779 | ||
780 | end: | |
834e9996 | 781 | return avail; |
b6de043b PP |
782 | } |
783 | ||
3a2cb327 | 784 | uint64_t bt_plugin_get_source_component_class_count(const struct bt_plugin *plugin) |
33b34c43 | 785 | { |
fa6cfec3 | 786 | BT_ASSERT_PRE_DEV_NON_NULL(plugin, "Plugin"); |
834e9996 | 787 | return (uint64_t) plugin->src_comp_classes->len; |
33b34c43 PP |
788 | } |
789 | ||
3a2cb327 | 790 | uint64_t bt_plugin_get_filter_component_class_count(const struct bt_plugin *plugin) |
33b34c43 | 791 | { |
fa6cfec3 | 792 | BT_ASSERT_PRE_DEV_NON_NULL(plugin, "Plugin"); |
834e9996 PP |
793 | return (uint64_t) plugin->flt_comp_classes->len; |
794 | } | |
33b34c43 | 795 | |
3a2cb327 | 796 | uint64_t bt_plugin_get_sink_component_class_count(const struct bt_plugin *plugin) |
834e9996 | 797 | { |
fa6cfec3 | 798 | BT_ASSERT_PRE_DEV_NON_NULL(plugin, "Plugin"); |
834e9996 PP |
799 | return (uint64_t) plugin->sink_comp_classes->len; |
800 | } | |
8c1a3187 | 801 | |
834e9996 PP |
802 | static inline |
803 | struct bt_component_class *borrow_component_class_by_index( | |
3a2cb327 | 804 | const struct bt_plugin *plugin, GPtrArray *comp_classes, |
834e9996 PP |
805 | uint64_t index) |
806 | { | |
fa6cfec3 PP |
807 | BT_ASSERT_PRE_DEV_NON_NULL(plugin, "Plugin"); |
808 | BT_ASSERT_PRE_DEV_VALID_INDEX(index, comp_classes->len); | |
834e9996 PP |
809 | return g_ptr_array_index(comp_classes, index); |
810 | } | |
33b34c43 | 811 | |
7b53201c | 812 | const struct bt_component_class_source * |
3eff3102 | 813 | bt_plugin_borrow_source_component_class_by_index_const( |
3a2cb327 | 814 | const struct bt_plugin *plugin, uint64_t index) |
834e9996 | 815 | { |
7b53201c | 816 | return (const void *) borrow_component_class_by_index(plugin, |
834e9996 PP |
817 | plugin->src_comp_classes, index); |
818 | } | |
33b34c43 | 819 | |
7b53201c | 820 | const struct bt_component_class_filter * |
3a2cb327 PP |
821 | bt_plugin_borrow_filter_component_class_by_index_const( |
822 | const struct bt_plugin *plugin, uint64_t index) | |
834e9996 | 823 | { |
7b53201c | 824 | return (const void *) borrow_component_class_by_index(plugin, |
834e9996 PP |
825 | plugin->flt_comp_classes, index); |
826 | } | |
827 | ||
7b53201c | 828 | const struct bt_component_class_sink * |
3a2cb327 PP |
829 | bt_plugin_borrow_sink_component_class_by_index_const( |
830 | const struct bt_plugin *plugin, uint64_t index) | |
834e9996 | 831 | { |
7b53201c | 832 | return (const void *) borrow_component_class_by_index(plugin, |
834e9996 | 833 | plugin->sink_comp_classes, index); |
33b34c43 PP |
834 | } |
835 | ||
834e9996 PP |
836 | static inline |
837 | struct bt_component_class *borrow_component_class_by_name( | |
3a2cb327 | 838 | const struct bt_plugin *plugin, GPtrArray *comp_classes, |
834e9996 | 839 | const char *name) |
33b34c43 PP |
840 | { |
841 | struct bt_component_class *comp_class = NULL; | |
842 | size_t i; | |
843 | ||
fa6cfec3 PP |
844 | BT_ASSERT_PRE_DEV_NON_NULL(plugin, "Plugin"); |
845 | BT_ASSERT_PRE_DEV_NON_NULL(name, "Name"); | |
33b34c43 | 846 | |
834e9996 | 847 | for (i = 0; i < comp_classes->len; i++) { |
33b34c43 | 848 | struct bt_component_class *comp_class_candidate = |
834e9996 | 849 | g_ptr_array_index(comp_classes, i); |
33b34c43 PP |
850 | const char *comp_class_cand_name = |
851 | bt_component_class_get_name(comp_class_candidate); | |
33b34c43 | 852 | |
ec4a3354 | 853 | BT_ASSERT_DBG(comp_class_cand_name); |
33b34c43 | 854 | |
834e9996 PP |
855 | if (strcmp(name, comp_class_cand_name) == 0) { |
856 | comp_class = comp_class_candidate; | |
33b34c43 PP |
857 | break; |
858 | } | |
859 | } | |
860 | ||
33b34c43 PP |
861 | return comp_class; |
862 | } | |
863 | ||
7b53201c | 864 | const struct bt_component_class_source * |
3a2cb327 PP |
865 | bt_plugin_borrow_source_component_class_by_name_const( |
866 | const struct bt_plugin *plugin, const char *name) | |
33b34c43 | 867 | { |
7b53201c | 868 | return (const void *) borrow_component_class_by_name(plugin, |
834e9996 PP |
869 | plugin->src_comp_classes, name); |
870 | } | |
33b34c43 | 871 | |
7b53201c | 872 | const struct bt_component_class_filter * |
3a2cb327 PP |
873 | bt_plugin_borrow_filter_component_class_by_name_const( |
874 | const struct bt_plugin *plugin, const char *name) | |
834e9996 | 875 | { |
7b53201c | 876 | return (const void *) borrow_component_class_by_name(plugin, |
834e9996 PP |
877 | plugin->flt_comp_classes, name); |
878 | } | |
33b34c43 | 879 | |
7b53201c | 880 | const struct bt_component_class_sink * |
3a2cb327 PP |
881 | bt_plugin_borrow_sink_component_class_by_name_const( |
882 | const struct bt_plugin *plugin, const char *name) | |
834e9996 | 883 | { |
7b53201c | 884 | return (const void *) borrow_component_class_by_name(plugin, |
834e9996 | 885 | plugin->sink_comp_classes, name); |
33b34c43 | 886 | } |
8c6884d9 PP |
887 | |
888 | void bt_plugin_get_ref(const struct bt_plugin *plugin) | |
889 | { | |
890 | bt_object_get_ref(plugin); | |
891 | } | |
892 | ||
893 | void bt_plugin_put_ref(const struct bt_plugin *plugin) | |
894 | { | |
895 | bt_object_put_ref(plugin); | |
896 | } | |
897 | ||
898 | void bt_plugin_set_get_ref(const struct bt_plugin_set *plugin_set) | |
899 | { | |
900 | bt_object_get_ref(plugin_set); | |
901 | } | |
902 | ||
903 | void bt_plugin_set_put_ref(const struct bt_plugin_set *plugin_set) | |
904 | { | |
905 | bt_object_put_ref(plugin_set); | |
906 | } |