Commit | Line | Data |
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34ac0e6c MD |
1 | /* |
2 | * babeltrace.c | |
3 | * | |
4 | * Babeltrace Trace Converter | |
5 | * | |
64fa3fec MD |
6 | * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation |
7 | * | |
8 | * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
34ac0e6c MD |
9 | * |
10 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
11 | * of this software and associated documentation files (the "Software"), to deal | |
12 | * in the Software without restriction, including without limitation the rights | |
13 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
14 | * copies of the Software, and to permit persons to whom the Software is | |
15 | * furnished to do so, subject to the following conditions: | |
16 | * | |
17 | * The above copyright notice and this permission notice shall be included in | |
18 | * all copies or substantial portions of the Software. | |
c462e188 MD |
19 | * |
20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
21 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
22 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
23 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
24 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
25 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
26 | * SOFTWARE. | |
34ac0e6c | 27 | */ |
4c8bfb7e | 28 | |
95d36295 | 29 | #include <babeltrace/babeltrace.h> |
33bceaf8 | 30 | #include <babeltrace/plugin/component-factory.h> |
7c7c0433 JG |
31 | #include <babeltrace/plugin/plugin.h> |
32 | #include <babeltrace/plugin/component-class.h> | |
90298357 | 33 | #include <babeltrace/plugin/notification/iterator.h> |
2e339de1 JG |
34 | #include <babeltrace/ref.h> |
35 | #include <babeltrace/values.h> | |
34ac0e6c | 36 | #include <stdlib.h> |
a44bc4c9 | 37 | #include <babeltrace/ctf-ir/metadata.h> /* for clocks */ |
7f26a816 PP |
38 | #include <popt.h> |
39 | #include <string.h> | |
40 | #include <stdio.h> | |
c42c79ea | 41 | #include "babeltrace-cfg.h" |
34ac0e6c | 42 | |
6c2f3ee5 JG |
43 | static struct bt_component_factory *component_factory; |
44 | ||
7c7c0433 JG |
45 | static |
46 | const char *component_type_str(enum bt_component_type type) | |
47 | { | |
48 | switch (type) { | |
49 | case BT_COMPONENT_TYPE_SOURCE: | |
50 | return "source"; | |
51 | case BT_COMPONENT_TYPE_SINK: | |
52 | return "sink"; | |
53 | case BT_COMPONENT_TYPE_FILTER: | |
54 | return "filter"; | |
55 | case BT_COMPONENT_TYPE_UNKNOWN: | |
56 | default: | |
57 | return "unknown"; | |
58 | } | |
59 | } | |
60 | ||
61 | static | |
c42c79ea | 62 | void print_component_classes_found(struct bt_component_factory *factory) |
7c7c0433 JG |
63 | { |
64 | int count, i; | |
65 | ||
66 | if (!babeltrace_verbose) { | |
67 | return; | |
68 | } | |
69 | ||
70 | count = bt_component_factory_get_component_class_count(factory); | |
71 | if (count <= 0) { | |
5e86a071 | 72 | fprintf(stderr, "No component classes found. Please make sure your plug-in search path is set correctly.\n"); |
7c7c0433 JG |
73 | return; |
74 | } | |
75 | ||
76 | printf_verbose("Found %d component classes.\n", count); | |
77 | for (i = 0; i < count; i++) { | |
78 | struct bt_component_class *component_class = | |
79 | bt_component_factory_get_component_class_index( | |
80 | factory, i); | |
81 | struct bt_plugin *plugin = bt_component_class_get_plugin( | |
82 | component_class); | |
83 | const char *plugin_name = bt_plugin_get_name(plugin); | |
84 | const char *component_name = bt_component_class_get_name( | |
85 | component_class); | |
86 | const char *path = bt_plugin_get_path(plugin); | |
87 | const char *author = bt_plugin_get_author(plugin); | |
88 | const char *license = bt_plugin_get_license(plugin); | |
89 | const char *plugin_description = bt_plugin_get_description( | |
90 | plugin); | |
91 | const char *component_description = | |
92 | bt_component_class_get_description( | |
93 | component_class); | |
94 | enum bt_component_type type = bt_component_class_get_type( | |
95 | component_class); | |
96 | ||
97 | printf_verbose("[%s - %s (%s)]\n", plugin_name, component_name, | |
98 | component_type_str(type)); | |
85411a39 JG |
99 | printf_verbose("\tpath: %s\n", path ? path : "None"); |
100 | printf_verbose("\tauthor: %s\n", author ? author : "Unknown"); | |
101 | printf_verbose("\tlicense: %s\n", license ? license : "Unknown"); | |
7c7c0433 JG |
102 | printf_verbose("\tplugin description: %s\n", |
103 | plugin_description ? plugin_description : "None"); | |
104 | printf_verbose("\tcomponent description: %s\n", | |
105 | component_description ? component_description : "None"); | |
0cc9e945 JG |
106 | |
107 | bt_put(plugin); | |
108 | bt_put(component_class); | |
7c7c0433 JG |
109 | } |
110 | } | |
111 | ||
c42c79ea PP |
112 | static |
113 | void print_indent(size_t indent) | |
114 | { | |
115 | size_t i; | |
116 | ||
117 | for (i = 0; i < indent; i++) { | |
118 | printf(" "); | |
119 | } | |
120 | } | |
121 | ||
122 | static | |
123 | void print_value(struct bt_value *, size_t, bool); | |
124 | ||
125 | static | |
126 | bool print_map_value(const char *key, struct bt_value *object, void *data) | |
127 | { | |
128 | size_t indent = (size_t) data; | |
129 | ||
130 | print_indent(indent); | |
131 | printf("\"%s\": ", key); | |
132 | print_value(object, indent, false); | |
133 | ||
134 | return true; | |
135 | } | |
136 | ||
137 | static | |
138 | void print_value(struct bt_value *value, size_t indent, bool do_indent) | |
139 | { | |
140 | bool bool_val; | |
141 | int64_t int_val; | |
142 | double dbl_val; | |
143 | const char *str_val; | |
144 | int size; | |
145 | int i; | |
146 | ||
147 | if (!value) { | |
148 | return; | |
149 | } | |
150 | ||
151 | if (do_indent) { | |
152 | print_indent(indent); | |
153 | } | |
154 | ||
155 | switch (bt_value_get_type(value)) { | |
156 | case BT_VALUE_TYPE_NULL: | |
157 | printf("null\n"); | |
158 | break; | |
159 | case BT_VALUE_TYPE_BOOL: | |
160 | bt_value_bool_get(value, &bool_val); | |
161 | printf("%s\n", bool_val ? "true" : "false"); | |
162 | break; | |
163 | case BT_VALUE_TYPE_INTEGER: | |
164 | bt_value_integer_get(value, &int_val); | |
165 | printf("%" PRId64 "\n", int_val); | |
166 | break; | |
167 | case BT_VALUE_TYPE_FLOAT: | |
168 | bt_value_float_get(value, &dbl_val); | |
169 | printf("%lf\n", dbl_val); | |
170 | break; | |
171 | case BT_VALUE_TYPE_STRING: | |
172 | bt_value_string_get(value, &str_val); | |
173 | printf("\"%s\"\n", str_val); | |
174 | break; | |
175 | case BT_VALUE_TYPE_ARRAY: | |
176 | size = bt_value_array_size(value); | |
177 | printf("[\n"); | |
178 | ||
179 | for (i = 0; i < size; i++) { | |
180 | struct bt_value *element = | |
181 | bt_value_array_get(value, i); | |
182 | ||
183 | print_value(element, indent + 2, true); | |
184 | BT_PUT(element); | |
185 | } | |
186 | ||
187 | print_indent(indent); | |
188 | printf("]\n"); | |
189 | break; | |
190 | case BT_VALUE_TYPE_MAP: | |
191 | if (bt_value_map_is_empty(value)) { | |
192 | printf("{}\n"); | |
193 | return; | |
194 | } | |
195 | ||
196 | printf("{\n"); | |
197 | bt_value_map_foreach(value, print_map_value, | |
198 | (void *) (indent + 2)); | |
199 | print_indent(indent); | |
200 | printf("}\n"); | |
201 | break; | |
202 | default: | |
203 | assert(false); | |
204 | } | |
205 | } | |
206 | ||
207 | static | |
208 | void print_bt_config_component(struct bt_config_component *bt_config_component) | |
209 | { | |
5f45c11f | 210 | printf(" %s.%s\n", bt_config_component->plugin_name->str, |
c42c79ea PP |
211 | bt_config_component->component_name->str); |
212 | printf(" params:\n"); | |
213 | print_value(bt_config_component->params, 6, true); | |
214 | } | |
215 | ||
216 | static | |
217 | void print_bt_config_components(GPtrArray *array) | |
218 | { | |
219 | size_t i; | |
220 | ||
221 | for (i = 0; i < array->len; i++) { | |
222 | struct bt_config_component *cfg_component = | |
e5bc7f81 | 223 | bt_config_get_component(array, i); |
c42c79ea PP |
224 | print_bt_config_component(cfg_component); |
225 | BT_PUT(cfg_component); | |
226 | } | |
227 | } | |
228 | ||
229 | static | |
230 | void print_cfg(struct bt_config *cfg) | |
231 | { | |
232 | printf("debug: %d\n", cfg->debug); | |
233 | printf("verbose: %d\n", cfg->verbose); | |
234 | printf("do list: %d\n", cfg->do_list); | |
235 | printf("force correlate: %d\n", cfg->force_correlate); | |
236 | printf("plugin paths:\n"); | |
237 | print_value(cfg->plugin_paths, 2, true); | |
238 | printf("sources:\n"); | |
239 | print_bt_config_components(cfg->sources); | |
240 | printf("sinks:\n"); | |
241 | print_bt_config_components(cfg->sinks); | |
242 | } | |
243 | ||
6c2f3ee5 JG |
244 | static |
245 | struct bt_component *create_trimmer(struct bt_config_component *source_cfg) | |
246 | { | |
247 | struct bt_component *trimmer = NULL; | |
248 | struct bt_component_class *trimmer_class = NULL; | |
249 | struct bt_value *trimmer_params = NULL; | |
528debdf | 250 | struct bt_value *value; |
6c2f3ee5 JG |
251 | |
252 | assert(component_factory); | |
253 | trimmer_params = bt_value_map_create(); | |
254 | if (!trimmer_params) { | |
255 | goto end; | |
256 | } | |
257 | ||
528debdf MD |
258 | value = bt_value_map_get(source_cfg->params, "begin"); |
259 | if (value) { | |
6c2f3ee5 | 260 | enum bt_value_status ret; |
6c2f3ee5 | 261 | |
528debdf | 262 | ret = bt_value_map_insert(trimmer_params, "begin", |
6c2f3ee5 JG |
263 | value); |
264 | BT_PUT(value); | |
265 | if (ret) { | |
266 | goto end; | |
267 | } | |
268 | } | |
528debdf MD |
269 | value = bt_value_map_get(source_cfg->params, "end"); |
270 | if (value) { | |
6c2f3ee5 | 271 | enum bt_value_status ret; |
6c2f3ee5 | 272 | |
528debdf MD |
273 | ret = bt_value_map_insert(trimmer_params, "end", |
274 | value); | |
275 | BT_PUT(value); | |
276 | if (ret) { | |
6c2f3ee5 JG |
277 | goto end; |
278 | } | |
528debdf MD |
279 | } |
280 | value = bt_value_map_get(source_cfg->params, "clock-gmt"); | |
281 | if (value) { | |
282 | enum bt_value_status ret; | |
6c2f3ee5 | 283 | |
528debdf | 284 | ret = bt_value_map_insert(trimmer_params, "clock-gmt", |
6c2f3ee5 JG |
285 | value); |
286 | BT_PUT(value); | |
287 | if (ret) { | |
288 | goto end; | |
289 | } | |
290 | } | |
291 | ||
292 | trimmer_class = bt_component_factory_get_component_class( | |
293 | component_factory, "utils", BT_COMPONENT_TYPE_FILTER, | |
294 | "trimmer"); | |
295 | if (!trimmer_class) { | |
296 | fprintf(stderr, "Could not find trimmer component class. Aborting...\n"); | |
297 | goto end; | |
298 | } | |
299 | trimmer = bt_component_create(trimmer_class, "source_trimmer", | |
300 | trimmer_params); | |
301 | if (!trimmer) { | |
302 | goto end; | |
303 | } | |
304 | end: | |
305 | bt_put(trimmer_params); | |
306 | bt_put(trimmer_class); | |
307 | return trimmer; | |
308 | } | |
309 | ||
310 | static | |
311 | int connect_source_sink(struct bt_component *source, | |
312 | struct bt_config_component *source_cfg, | |
313 | struct bt_component *sink) | |
314 | { | |
315 | int ret = 0; | |
316 | enum bt_component_status sink_status; | |
317 | struct bt_component *trimmer = NULL; | |
318 | struct bt_notification_iterator *source_it = NULL; | |
319 | struct bt_notification_iterator *to_sink_it = NULL; | |
320 | ||
321 | source_it = bt_component_source_create_iterator(source); | |
322 | if (!source_it) { | |
323 | fprintf(stderr, "Failed to instantiate source iterator. Aborting...\n"); | |
324 | ret = -1; | |
325 | goto end; | |
326 | } | |
327 | ||
528debdf MD |
328 | if (bt_value_map_has_key(source_cfg->params, "begin") |
329 | || bt_value_map_has_key(source_cfg->params, "end")) { | |
6c2f3ee5 JG |
330 | /* A trimmer must be inserted in the graph. */ |
331 | enum bt_component_status trimmer_status; | |
332 | ||
333 | trimmer = create_trimmer(source_cfg); | |
334 | if (!trimmer) { | |
335 | fprintf(stderr, "Failed to create trimmer component. Aborting...\n"); | |
336 | ret = -1; | |
337 | goto end; | |
338 | } | |
339 | ||
340 | trimmer_status = bt_component_filter_add_iterator(trimmer, | |
341 | source_it); | |
342 | BT_PUT(source_it); | |
343 | if (trimmer_status != BT_COMPONENT_STATUS_OK) { | |
344 | fprintf(stderr, "Failed to connect source to trimmer. Aborting...\n"); | |
345 | ret = -1; | |
346 | goto end; | |
347 | } | |
348 | ||
349 | to_sink_it = bt_component_filter_create_iterator(trimmer); | |
350 | if (!to_sink_it) { | |
351 | fprintf(stderr, "Failed to instantiate trimmer iterator. Aborting...\n"); | |
352 | ret = -1; | |
353 | goto end; | |
354 | } | |
355 | } else { | |
356 | BT_MOVE(to_sink_it, source_it); | |
357 | } | |
358 | ||
359 | sink_status = bt_component_sink_add_iterator(sink, to_sink_it); | |
360 | if (sink_status != BT_COMPONENT_STATUS_OK) { | |
361 | fprintf(stderr, "Failed to connect to sink component. Aborting...\n"); | |
362 | ret = -1; | |
363 | goto end; | |
364 | } | |
365 | end: | |
366 | bt_put(trimmer); | |
367 | bt_put(source_it); | |
368 | bt_put(to_sink_it); | |
369 | return ret; | |
370 | } | |
371 | ||
528debdf | 372 | int main(int argc, const char **argv) |
34ac0e6c | 373 | { |
7f26a816 | 374 | int ret; |
c42c79ea PP |
375 | struct bt_component_class *source_class = NULL; |
376 | struct bt_component_class *sink_class = NULL; | |
7c7c0433 JG |
377 | struct bt_component *source = NULL, *sink = NULL; |
378 | struct bt_value *source_params = NULL, *sink_params = NULL; | |
c42c79ea | 379 | struct bt_config *cfg; |
fec2a9f2 | 380 | enum bt_component_status sink_status; |
c42c79ea PP |
381 | struct bt_value *first_plugin_path_value = NULL; |
382 | const char *first_plugin_path; | |
e5bc7f81 | 383 | struct bt_config_component *source_cfg = NULL, *sink_cfg = NULL; |
c42c79ea PP |
384 | |
385 | cfg = bt_config_from_args(argc, argv, &ret); | |
386 | if (cfg) { | |
387 | print_cfg(cfg); | |
388 | } else { | |
56a1cced JG |
389 | goto end; |
390 | } | |
391 | ||
8b596b57 JG |
392 | babeltrace_verbose = cfg->verbose; |
393 | babeltrace_debug = cfg->debug; | |
394 | ||
c42c79ea PP |
395 | /* TODO handle more than 1 source and 1 sink. */ |
396 | if (cfg->sources->len != 1 || cfg->sinks->len != 1) { | |
5f45c11f | 397 | fprintf(stderr, "Unexpected configuration, aborting...\n"); |
56a1cced JG |
398 | ret = -1; |
399 | goto end; | |
400 | } | |
401 | ||
34ac0e6c MD |
402 | printf_verbose("Verbose mode active.\n"); |
403 | printf_debug("Debug mode active.\n"); | |
33bceaf8 JG |
404 | component_factory = bt_component_factory_create(); |
405 | if (!component_factory) { | |
406 | fprintf(stderr, "Failed to create component factory.\n"); | |
407 | ret = -1; | |
408 | goto end; | |
409 | } | |
410 | ||
b86d17b1 JG |
411 | if (cfg->plugin_paths && !bt_value_array_is_empty(cfg->plugin_paths)) { |
412 | first_plugin_path_value = bt_value_array_get( | |
413 | cfg->plugin_paths, 0); | |
414 | bt_value_string_get(first_plugin_path_value, | |
415 | &first_plugin_path); | |
416 | ret = bt_component_factory_load_recursive(component_factory, | |
417 | first_plugin_path); | |
418 | if (ret) { | |
419 | fprintf(stderr, "Failed to dynamically load plugins.\n"); | |
420 | goto end; | |
421 | } | |
33bceaf8 JG |
422 | } |
423 | ||
cba174d5 JG |
424 | ret = bt_component_factory_load_static(component_factory); |
425 | if (ret) { | |
426 | fprintf(stderr, "Failed to load static plugins.\n"); | |
427 | goto end; | |
428 | } | |
429 | ||
c42c79ea | 430 | print_component_classes_found(component_factory); |
e5bc7f81 JG |
431 | |
432 | source_cfg = bt_config_get_component(cfg->sources, 0); | |
433 | source_params = bt_get(source_cfg->params); | |
56a1cced | 434 | source_class = bt_component_factory_get_component_class( |
e5bc7f81 JG |
435 | component_factory, source_cfg->plugin_name->str, |
436 | BT_COMPONENT_TYPE_SOURCE, | |
437 | source_cfg->component_name->str); | |
56a1cced | 438 | if (!source_class) { |
e5bc7f81 JG |
439 | fprintf(stderr, "Could not find %s.%s source component class. Aborting...\n", |
440 | source_cfg->plugin_name->str, | |
441 | source_cfg->component_name->str); | |
56a1cced JG |
442 | ret = -1; |
443 | goto end; | |
444 | } | |
7c7c0433 | 445 | |
e5bc7f81 JG |
446 | sink_cfg = bt_config_get_component(cfg->sinks, 0); |
447 | sink_params = bt_get(sink_cfg->params); | |
7c7c0433 | 448 | sink_class = bt_component_factory_get_component_class(component_factory, |
e5bc7f81 JG |
449 | sink_cfg->plugin_name->str, BT_COMPONENT_TYPE_SINK, |
450 | sink_cfg->component_name->str); | |
7c7c0433 | 451 | if (!sink_class) { |
e5bc7f81 JG |
452 | fprintf(stderr, "Could not find %s.%s output component class. Aborting...\n", |
453 | sink_cfg->plugin_name->str, | |
454 | sink_cfg->component_name->str); | |
7c7c0433 JG |
455 | ret = -1; |
456 | goto end; | |
457 | } | |
458 | ||
e5bc7f81 | 459 | source = bt_component_create(source_class, "source", source_params); |
56a1cced | 460 | if (!source) { |
e5bc7f81 | 461 | fprintf(stderr, "Failed to instantiate selected source component. Aborting...\n"); |
c42c79ea PP |
462 | ret = -1; |
463 | goto end; | |
464 | } | |
56a1cced | 465 | |
e5bc7f81 | 466 | sink = bt_component_create(sink_class, "sink", sink_params); |
7c7c0433 | 467 | if (!sink) { |
e5bc7f81 | 468 | fprintf(stderr, "Failed to instantiate selected output component. Aborting...\n"); |
7c7c0433 | 469 | ret = -1; |
2e339de1 JG |
470 | goto end; |
471 | } | |
472 | ||
6c2f3ee5 JG |
473 | ret = connect_source_sink(source, source_cfg, sink); |
474 | if (ret) { | |
fec2a9f2 JG |
475 | goto end; |
476 | } | |
78586d8a | 477 | |
fec2a9f2 JG |
478 | while (true) { |
479 | sink_status = bt_component_sink_consume(sink); | |
fec2a9f2 JG |
480 | switch (sink_status) { |
481 | case BT_COMPONENT_STATUS_AGAIN: | |
482 | /* Wait for an arbitraty 500 ms. */ | |
483 | usleep(500000); | |
78586d8a | 484 | break; |
fec2a9f2 JG |
485 | case BT_COMPONENT_STATUS_OK: |
486 | break; | |
487 | case BT_COMPONENT_STATUS_END: | |
488 | goto end; | |
489 | default: | |
490 | fprintf(stderr, "Sink component returned an error, aborting...\n"); | |
491 | ret = -1; | |
492 | goto end; | |
78586d8a | 493 | } |
fec2a9f2 | 494 | } |
11e1d048 | 495 | end: |
2e339de1 | 496 | BT_PUT(component_factory); |
7c7c0433 JG |
497 | BT_PUT(sink_class); |
498 | BT_PUT(source_class); | |
499 | BT_PUT(source); | |
500 | BT_PUT(sink); | |
501 | BT_PUT(source_params); | |
502 | BT_PUT(sink_params); | |
c42c79ea PP |
503 | BT_PUT(cfg); |
504 | BT_PUT(first_plugin_path_value); | |
e5bc7f81 JG |
505 | BT_PUT(sink_cfg); |
506 | BT_PUT(source_cfg); | |
7f26a816 | 507 | return ret ? 1 : 0; |
4c8bfb7e | 508 | } |