| 1 | /* |
| 2 | * babeltrace.c |
| 3 | * |
| 4 | * Babeltrace Trace Converter |
| 5 | * |
| 6 | * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation |
| 7 | * |
| 8 | * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
| 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. |
| 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. |
| 27 | */ |
| 28 | |
| 29 | #include <babeltrace/babeltrace.h> |
| 30 | #include <babeltrace/plugin/plugin.h> |
| 31 | #include <babeltrace/common-internal.h> |
| 32 | #include <babeltrace/component/component.h> |
| 33 | #include <babeltrace/component/component-source.h> |
| 34 | #include <babeltrace/component/component-sink.h> |
| 35 | #include <babeltrace/component/component-filter.h> |
| 36 | #include <babeltrace/component/component-class.h> |
| 37 | #include <babeltrace/component/notification/iterator.h> |
| 38 | #include <babeltrace/ref.h> |
| 39 | #include <babeltrace/values.h> |
| 40 | #include <stdlib.h> |
| 41 | #include <babeltrace/ctf-ir/metadata.h> /* for clocks */ |
| 42 | #include <popt.h> |
| 43 | #include <string.h> |
| 44 | #include <stdio.h> |
| 45 | #include <glib.h> |
| 46 | #include "babeltrace-cfg.h" |
| 47 | #include "default-cfg.h" |
| 48 | |
| 49 | GPtrArray *loaded_plugins; |
| 50 | |
| 51 | static |
| 52 | void init_loaded_plugins_array(void) |
| 53 | { |
| 54 | loaded_plugins = g_ptr_array_new_full(8, bt_put); |
| 55 | } |
| 56 | |
| 57 | static |
| 58 | void fini_loaded_plugins_array(void) |
| 59 | { |
| 60 | g_ptr_array_free(loaded_plugins, TRUE); |
| 61 | } |
| 62 | |
| 63 | static |
| 64 | struct bt_plugin *find_plugin(const char *name) |
| 65 | { |
| 66 | int i; |
| 67 | struct bt_plugin *plugin = NULL; |
| 68 | |
| 69 | for (i = 0; i < loaded_plugins->len; i++) { |
| 70 | plugin = g_ptr_array_index(loaded_plugins, i); |
| 71 | |
| 72 | if (strcmp(name, bt_plugin_get_name(plugin)) == 0) { |
| 73 | break; |
| 74 | } |
| 75 | |
| 76 | plugin = NULL; |
| 77 | } |
| 78 | |
| 79 | return bt_get(plugin); |
| 80 | } |
| 81 | |
| 82 | static |
| 83 | struct bt_component_class *find_component_class(const char *plugin_name, |
| 84 | const char *comp_class_name, |
| 85 | enum bt_component_class_type comp_class_type) |
| 86 | { |
| 87 | struct bt_component_class *comp_class = NULL; |
| 88 | struct bt_plugin *plugin = find_plugin(plugin_name); |
| 89 | |
| 90 | if (!plugin) { |
| 91 | goto end; |
| 92 | } |
| 93 | |
| 94 | comp_class = bt_plugin_get_component_class_by_name_and_type(plugin, |
| 95 | comp_class_name, comp_class_type); |
| 96 | BT_PUT(plugin); |
| 97 | end: |
| 98 | return comp_class; |
| 99 | } |
| 100 | |
| 101 | static |
| 102 | void print_indent(size_t indent) |
| 103 | { |
| 104 | size_t i; |
| 105 | |
| 106 | for (i = 0; i < indent; i++) { |
| 107 | printf(" "); |
| 108 | } |
| 109 | } |
| 110 | |
| 111 | static |
| 112 | void print_value(struct bt_value *, size_t); |
| 113 | |
| 114 | static |
| 115 | bool print_map_value(const char *key, struct bt_value *object, void *data) |
| 116 | { |
| 117 | size_t *indent = data; |
| 118 | |
| 119 | print_indent(*indent); |
| 120 | printf("%s: ", key); |
| 121 | |
| 122 | if (bt_value_is_array(object) && |
| 123 | bt_value_array_is_empty(object)) { |
| 124 | printf("[ ]\n"); |
| 125 | return true; |
| 126 | } |
| 127 | |
| 128 | if (bt_value_is_map(object) && |
| 129 | bt_value_map_is_empty(object)) { |
| 130 | printf("{ }\n"); |
| 131 | return true; |
| 132 | } |
| 133 | |
| 134 | if (bt_value_is_array(object) || |
| 135 | bt_value_is_map(object)) { |
| 136 | printf("\n"); |
| 137 | } |
| 138 | |
| 139 | print_value(object, *indent + 2); |
| 140 | return true; |
| 141 | } |
| 142 | |
| 143 | static |
| 144 | void print_value(struct bt_value *value, size_t indent) |
| 145 | { |
| 146 | bool bool_val; |
| 147 | int64_t int_val; |
| 148 | double dbl_val; |
| 149 | const char *str_val; |
| 150 | int size; |
| 151 | int i; |
| 152 | |
| 153 | if (!value) { |
| 154 | return; |
| 155 | } |
| 156 | |
| 157 | switch (bt_value_get_type(value)) { |
| 158 | case BT_VALUE_TYPE_NULL: |
| 159 | printf("null\n"); |
| 160 | break; |
| 161 | case BT_VALUE_TYPE_BOOL: |
| 162 | bt_value_bool_get(value, &bool_val); |
| 163 | printf("%s\n", bool_val ? "yes" : "no"); |
| 164 | break; |
| 165 | case BT_VALUE_TYPE_INTEGER: |
| 166 | bt_value_integer_get(value, &int_val); |
| 167 | printf("%" PRId64 "\n", int_val); |
| 168 | break; |
| 169 | case BT_VALUE_TYPE_FLOAT: |
| 170 | bt_value_float_get(value, &dbl_val); |
| 171 | printf("%lf\n", dbl_val); |
| 172 | break; |
| 173 | case BT_VALUE_TYPE_STRING: |
| 174 | bt_value_string_get(value, &str_val); |
| 175 | printf("%s\n", str_val); |
| 176 | break; |
| 177 | case BT_VALUE_TYPE_ARRAY: |
| 178 | size = bt_value_array_size(value); |
| 179 | assert(size >= 0); |
| 180 | |
| 181 | if (size == 0) { |
| 182 | print_indent(indent); |
| 183 | printf("[ ]\n"); |
| 184 | break; |
| 185 | } |
| 186 | |
| 187 | for (i = 0; i < size; i++) { |
| 188 | struct bt_value *element = |
| 189 | bt_value_array_get(value, i); |
| 190 | |
| 191 | assert(element); |
| 192 | print_indent(indent); |
| 193 | printf("- "); |
| 194 | |
| 195 | if (bt_value_is_array(element) && |
| 196 | bt_value_array_is_empty(element)) { |
| 197 | printf("[ ]\n"); |
| 198 | continue; |
| 199 | } |
| 200 | |
| 201 | if (bt_value_is_map(element) && |
| 202 | bt_value_map_is_empty(element)) { |
| 203 | printf("{ }\n"); |
| 204 | continue; |
| 205 | } |
| 206 | |
| 207 | if (bt_value_is_array(element) || |
| 208 | bt_value_is_map(element)) { |
| 209 | printf("\n"); |
| 210 | } |
| 211 | |
| 212 | print_value(element, indent + 2); |
| 213 | BT_PUT(element); |
| 214 | } |
| 215 | break; |
| 216 | case BT_VALUE_TYPE_MAP: |
| 217 | if (bt_value_map_is_empty(value)) { |
| 218 | print_indent(indent); |
| 219 | printf("{ }\n"); |
| 220 | break; |
| 221 | } |
| 222 | |
| 223 | bt_value_map_foreach(value, print_map_value, &indent); |
| 224 | break; |
| 225 | default: |
| 226 | assert(false); |
| 227 | } |
| 228 | } |
| 229 | |
| 230 | static |
| 231 | void print_bt_config_component(struct bt_config_component *bt_config_component) |
| 232 | { |
| 233 | printf(" %s.%s:\n", bt_config_component->plugin_name->str, |
| 234 | bt_config_component->component_name->str); |
| 235 | |
| 236 | if (bt_config_component->instance_name->len > 0) { |
| 237 | printf(" Name: %s\n", |
| 238 | bt_config_component->instance_name->str); |
| 239 | } |
| 240 | |
| 241 | printf(" Parameters:\n"); |
| 242 | print_value(bt_config_component->params, 8); |
| 243 | } |
| 244 | |
| 245 | static |
| 246 | void print_bt_config_components(GPtrArray *array) |
| 247 | { |
| 248 | size_t i; |
| 249 | |
| 250 | for (i = 0; i < array->len; i++) { |
| 251 | struct bt_config_component *cfg_component = |
| 252 | bt_config_get_component(array, i); |
| 253 | print_bt_config_component(cfg_component); |
| 254 | BT_PUT(cfg_component); |
| 255 | } |
| 256 | } |
| 257 | |
| 258 | static |
| 259 | void print_plugin_paths(struct bt_value *plugin_paths) |
| 260 | { |
| 261 | printf(" Plugin paths:\n"); |
| 262 | print_value(plugin_paths, 4); |
| 263 | } |
| 264 | |
| 265 | static |
| 266 | void print_cfg_convert(struct bt_config *cfg) |
| 267 | { |
| 268 | printf(" Force correlate: %s\n", |
| 269 | cfg->cmd_data.convert.force_correlate ? "yes" : "no"); |
| 270 | print_plugin_paths(cfg->cmd_data.convert.plugin_paths); |
| 271 | printf(" Source component instances:\n"); |
| 272 | print_bt_config_components(cfg->cmd_data.convert.sources); |
| 273 | printf(" Sink component instances:\n"); |
| 274 | print_bt_config_components(cfg->cmd_data.convert.sinks); |
| 275 | } |
| 276 | |
| 277 | static |
| 278 | void print_cfg_list_plugins(struct bt_config *cfg) |
| 279 | { |
| 280 | print_plugin_paths(cfg->cmd_data.list_plugins.plugin_paths); |
| 281 | } |
| 282 | |
| 283 | static |
| 284 | void print_cfg(struct bt_config *cfg) |
| 285 | { |
| 286 | if (!babeltrace_verbose) { |
| 287 | return; |
| 288 | } |
| 289 | |
| 290 | printf("Configuration:\n"); |
| 291 | printf(" Debug mode: %s\n", cfg->debug ? "yes" : "no"); |
| 292 | printf(" Verbose mode: %s\n", cfg->verbose ? "yes" : "no"); |
| 293 | |
| 294 | switch (cfg->command) { |
| 295 | case BT_CONFIG_COMMAND_CONVERT: |
| 296 | print_cfg_convert(cfg); |
| 297 | break; |
| 298 | case BT_CONFIG_COMMAND_LIST_PLUGINS: |
| 299 | print_cfg_list_plugins(cfg); |
| 300 | break; |
| 301 | default: |
| 302 | assert(false); |
| 303 | } |
| 304 | } |
| 305 | |
| 306 | static |
| 307 | struct bt_component *create_trimmer(struct bt_config_component *source_cfg) |
| 308 | { |
| 309 | struct bt_component *trimmer = NULL; |
| 310 | struct bt_component_class *trimmer_class = NULL; |
| 311 | struct bt_value *trimmer_params = NULL; |
| 312 | struct bt_value *value; |
| 313 | |
| 314 | trimmer_params = bt_value_map_create(); |
| 315 | if (!trimmer_params) { |
| 316 | goto end; |
| 317 | } |
| 318 | |
| 319 | value = bt_value_map_get(source_cfg->params, "begin"); |
| 320 | if (value) { |
| 321 | enum bt_value_status ret; |
| 322 | |
| 323 | ret = bt_value_map_insert(trimmer_params, "begin", |
| 324 | value); |
| 325 | BT_PUT(value); |
| 326 | if (ret) { |
| 327 | goto end; |
| 328 | } |
| 329 | } |
| 330 | value = bt_value_map_get(source_cfg->params, "end"); |
| 331 | if (value) { |
| 332 | enum bt_value_status ret; |
| 333 | |
| 334 | ret = bt_value_map_insert(trimmer_params, "end", |
| 335 | value); |
| 336 | BT_PUT(value); |
| 337 | if (ret) { |
| 338 | goto end; |
| 339 | } |
| 340 | } |
| 341 | value = bt_value_map_get(source_cfg->params, "clock-gmt"); |
| 342 | if (value) { |
| 343 | enum bt_value_status ret; |
| 344 | |
| 345 | ret = bt_value_map_insert(trimmer_params, "clock-gmt", |
| 346 | value); |
| 347 | BT_PUT(value); |
| 348 | if (ret) { |
| 349 | goto end; |
| 350 | } |
| 351 | } |
| 352 | |
| 353 | trimmer_class = find_component_class("utils", "trimmer", |
| 354 | BT_COMPONENT_CLASS_TYPE_FILTER); |
| 355 | if (!trimmer_class) { |
| 356 | fprintf(stderr, "Could not find trimmer component class. Aborting...\n"); |
| 357 | goto end; |
| 358 | } |
| 359 | trimmer = bt_component_create(trimmer_class, "source_trimmer", |
| 360 | trimmer_params); |
| 361 | if (!trimmer) { |
| 362 | goto end; |
| 363 | } |
| 364 | end: |
| 365 | bt_put(trimmer_params); |
| 366 | bt_put(trimmer_class); |
| 367 | return trimmer; |
| 368 | } |
| 369 | |
| 370 | static |
| 371 | int connect_source_sink(struct bt_component *source, |
| 372 | struct bt_config_component *source_cfg, |
| 373 | struct bt_component *sink) |
| 374 | { |
| 375 | int ret = 0; |
| 376 | enum bt_component_status sink_status; |
| 377 | struct bt_component *trimmer = NULL; |
| 378 | struct bt_notification_iterator *source_it = NULL; |
| 379 | struct bt_notification_iterator *to_sink_it = NULL; |
| 380 | |
| 381 | source_it = bt_component_source_create_notification_iterator(source); |
| 382 | if (!source_it) { |
| 383 | fprintf(stderr, "Failed to instantiate source iterator. Aborting...\n"); |
| 384 | ret = -1; |
| 385 | goto end; |
| 386 | } |
| 387 | |
| 388 | if (bt_value_map_has_key(source_cfg->params, "begin") |
| 389 | || bt_value_map_has_key(source_cfg->params, "end")) { |
| 390 | /* A trimmer must be inserted in the graph. */ |
| 391 | enum bt_component_status trimmer_status; |
| 392 | |
| 393 | trimmer = create_trimmer(source_cfg); |
| 394 | if (!trimmer) { |
| 395 | fprintf(stderr, "Failed to create trimmer component. Aborting...\n"); |
| 396 | ret = -1; |
| 397 | goto end; |
| 398 | } |
| 399 | |
| 400 | trimmer_status = bt_component_filter_add_iterator(trimmer, |
| 401 | source_it); |
| 402 | BT_PUT(source_it); |
| 403 | if (trimmer_status != BT_COMPONENT_STATUS_OK) { |
| 404 | fprintf(stderr, "Failed to connect source to trimmer. Aborting...\n"); |
| 405 | ret = -1; |
| 406 | goto end; |
| 407 | } |
| 408 | |
| 409 | to_sink_it = bt_component_filter_create_notification_iterator(trimmer); |
| 410 | if (!to_sink_it) { |
| 411 | fprintf(stderr, "Failed to instantiate trimmer iterator. Aborting...\n"); |
| 412 | ret = -1; |
| 413 | goto end; |
| 414 | } |
| 415 | } else { |
| 416 | BT_MOVE(to_sink_it, source_it); |
| 417 | } |
| 418 | |
| 419 | sink_status = bt_component_sink_add_iterator(sink, to_sink_it); |
| 420 | if (sink_status != BT_COMPONENT_STATUS_OK) { |
| 421 | fprintf(stderr, "Failed to connect to sink component. Aborting...\n"); |
| 422 | ret = -1; |
| 423 | goto end; |
| 424 | } |
| 425 | end: |
| 426 | bt_put(trimmer); |
| 427 | bt_put(source_it); |
| 428 | bt_put(to_sink_it); |
| 429 | return ret; |
| 430 | } |
| 431 | |
| 432 | static |
| 433 | void add_to_loaded_plugins(struct bt_plugin **plugins) |
| 434 | { |
| 435 | while (*plugins) { |
| 436 | struct bt_plugin *plugin = *plugins; |
| 437 | /* Check if it's already loaded (from another path). */ |
| 438 | struct bt_plugin *loaded_plugin = |
| 439 | find_plugin(bt_plugin_get_name(plugin)); |
| 440 | |
| 441 | if (loaded_plugin) { |
| 442 | printf_verbose("Not loading plugin `%s`: already loaded from `%s`\n", |
| 443 | bt_plugin_get_path(plugin), |
| 444 | bt_plugin_get_path(loaded_plugin)); |
| 445 | BT_PUT(loaded_plugin); |
| 446 | BT_PUT(plugin); |
| 447 | } else { |
| 448 | /* Transfer ownership to global array. */ |
| 449 | g_ptr_array_add(loaded_plugins, plugin); |
| 450 | } |
| 451 | *(plugins++) = NULL; |
| 452 | } |
| 453 | } |
| 454 | |
| 455 | static |
| 456 | int load_dynamic_plugins(struct bt_value *plugin_paths) |
| 457 | { |
| 458 | int nr_paths, i, ret = 0; |
| 459 | |
| 460 | nr_paths = bt_value_array_size(plugin_paths); |
| 461 | if (nr_paths < 0) { |
| 462 | ret = -1; |
| 463 | goto end; |
| 464 | } |
| 465 | |
| 466 | for (i = 0; i < nr_paths; i++) { |
| 467 | struct bt_value *plugin_path_value = NULL; |
| 468 | const char *plugin_path; |
| 469 | struct bt_plugin **plugins; |
| 470 | |
| 471 | plugin_path_value = bt_value_array_get(plugin_paths, i); |
| 472 | if (bt_value_string_get(plugin_path_value, |
| 473 | &plugin_path)) { |
| 474 | BT_PUT(plugin_path_value); |
| 475 | continue; |
| 476 | } |
| 477 | |
| 478 | plugins = bt_plugin_create_all_from_dir(plugin_path, false); |
| 479 | if (!plugins) { |
| 480 | printf_debug("Unable to dynamically load plugins from path %s.\n", |
| 481 | plugin_path); |
| 482 | BT_PUT(plugin_path_value); |
| 483 | continue; |
| 484 | } |
| 485 | |
| 486 | add_to_loaded_plugins(plugins); |
| 487 | free(plugins); |
| 488 | |
| 489 | BT_PUT(plugin_path_value); |
| 490 | } |
| 491 | end: |
| 492 | return ret; |
| 493 | } |
| 494 | |
| 495 | static |
| 496 | int load_static_plugins(void) |
| 497 | { |
| 498 | int ret = 0; |
| 499 | struct bt_plugin **plugins; |
| 500 | |
| 501 | plugins = bt_plugin_create_all_from_static(); |
| 502 | if (!plugins) { |
| 503 | printf_debug("Unable to load static plugins.\n"); |
| 504 | ret = -1; |
| 505 | goto end; |
| 506 | } |
| 507 | |
| 508 | add_to_loaded_plugins(plugins); |
| 509 | free(plugins); |
| 510 | end: |
| 511 | return ret; |
| 512 | } |
| 513 | |
| 514 | static |
| 515 | const char *component_type_str(enum bt_component_class_type type) |
| 516 | { |
| 517 | switch (type) { |
| 518 | case BT_COMPONENT_CLASS_TYPE_SOURCE: |
| 519 | return "source"; |
| 520 | case BT_COMPONENT_CLASS_TYPE_SINK: |
| 521 | return "sink"; |
| 522 | case BT_COMPONENT_CLASS_TYPE_FILTER: |
| 523 | return "filter"; |
| 524 | case BT_COMPONENT_CLASS_TYPE_UNKNOWN: |
| 525 | default: |
| 526 | return "unknown"; |
| 527 | } |
| 528 | } |
| 529 | |
| 530 | static int load_all_plugins(struct bt_value *plugin_paths) |
| 531 | { |
| 532 | int ret = 0; |
| 533 | |
| 534 | if (load_dynamic_plugins(plugin_paths)) { |
| 535 | fprintf(stderr, "Failed to load dynamic plugins.\n"); |
| 536 | ret = -1; |
| 537 | goto end; |
| 538 | } |
| 539 | |
| 540 | if (load_static_plugins()) { |
| 541 | fprintf(stderr, "Failed to load static plugins.\n"); |
| 542 | ret = -1; |
| 543 | goto end; |
| 544 | } |
| 545 | |
| 546 | end: |
| 547 | return ret; |
| 548 | } |
| 549 | |
| 550 | static void print_plugin_info(struct bt_plugin *plugin) |
| 551 | { |
| 552 | unsigned int major, minor, patch; |
| 553 | const char *extra; |
| 554 | enum bt_plugin_status version_status; |
| 555 | const char *plugin_name; |
| 556 | const char *path; |
| 557 | const char *author; |
| 558 | const char *license; |
| 559 | const char *plugin_description; |
| 560 | |
| 561 | plugin_name = bt_plugin_get_name(plugin); |
| 562 | path = bt_plugin_get_path(plugin); |
| 563 | author = bt_plugin_get_author(plugin); |
| 564 | license = bt_plugin_get_license(plugin); |
| 565 | plugin_description = bt_plugin_get_description(plugin); |
| 566 | version_status = bt_plugin_get_version(plugin, &major, &minor, |
| 567 | &patch, &extra); |
| 568 | printf("%s%s%s%s:\n", bt_common_color_bold(), |
| 569 | bt_common_color_fg_blue(), plugin_name, |
| 570 | bt_common_color_reset()); |
| 571 | printf(" %sPath%s: %s\n", bt_common_color_bold(), |
| 572 | bt_common_color_reset(), path ? path : "(None)"); |
| 573 | |
| 574 | if (version_status == BT_PLUGIN_STATUS_OK) { |
| 575 | printf(" %sVersion%s: %u.%u.%u", |
| 576 | bt_common_color_bold(), bt_common_color_reset(), |
| 577 | major, minor, patch); |
| 578 | |
| 579 | if (extra) { |
| 580 | printf("%s", extra); |
| 581 | } |
| 582 | |
| 583 | printf("\n"); |
| 584 | } |
| 585 | |
| 586 | printf(" %sDescription%s: %s\n", bt_common_color_bold(), |
| 587 | bt_common_color_reset(), |
| 588 | plugin_description ? plugin_description : "(None)"); |
| 589 | printf(" %sAuthor%s: %s\n", bt_common_color_bold(), |
| 590 | bt_common_color_reset(), author ? author : "(Unknown)"); |
| 591 | printf(" %sLicense%s: %s\n", bt_common_color_bold(), |
| 592 | bt_common_color_reset(), |
| 593 | license ? license : "(Unknown)"); |
| 594 | } |
| 595 | |
| 596 | static void print_plugin_comp_cls_opt(FILE *fh, const char *plugin_name, |
| 597 | const char *comp_cls_name, enum bt_component_class_type type) |
| 598 | { |
| 599 | fprintf(fh, "%s%s--%s%s %s%s%s.%s%s%s", |
| 600 | bt_common_color_bold(), |
| 601 | bt_common_color_fg_cyan(), |
| 602 | component_type_str(type), |
| 603 | bt_common_color_fg_default(), |
| 604 | bt_common_color_fg_blue(), |
| 605 | plugin_name, |
| 606 | bt_common_color_fg_default(), |
| 607 | bt_common_color_fg_yellow(), |
| 608 | comp_cls_name, |
| 609 | bt_common_color_reset()); |
| 610 | } |
| 611 | |
| 612 | static int cmd_help(struct bt_config *cfg) |
| 613 | { |
| 614 | int ret; |
| 615 | struct bt_plugin *plugin = NULL; |
| 616 | size_t i; |
| 617 | |
| 618 | ret = load_all_plugins(cfg->cmd_data.list_plugins.plugin_paths); |
| 619 | if (ret) { |
| 620 | goto end; |
| 621 | } |
| 622 | |
| 623 | plugin = find_plugin(cfg->cmd_data.help.plugin_name->str); |
| 624 | if (!plugin) { |
| 625 | fprintf(stderr, "%s%sCannot find plugin %s%s%s\n", |
| 626 | bt_common_color_bold(), bt_common_color_fg_red(), |
| 627 | bt_common_color_fg_blue(), |
| 628 | cfg->cmd_data.help.plugin_name->str, |
| 629 | bt_common_color_reset()); |
| 630 | ret = -1; |
| 631 | goto end; |
| 632 | } |
| 633 | |
| 634 | print_plugin_info(plugin); |
| 635 | printf(" %sComponent classes%s: %d\n", |
| 636 | bt_common_color_bold(), |
| 637 | bt_common_color_reset(), |
| 638 | bt_plugin_get_component_class_count(plugin)); |
| 639 | |
| 640 | |
| 641 | if (cfg->cmd_data.help.comp_cls_type != |
| 642 | BT_COMPONENT_CLASS_TYPE_UNKNOWN) { |
| 643 | struct bt_component_class *needed_comp_cls = |
| 644 | find_component_class( |
| 645 | cfg->cmd_data.help.plugin_name->str, |
| 646 | cfg->cmd_data.help.component_name->str, |
| 647 | cfg->cmd_data.help.comp_cls_type); |
| 648 | |
| 649 | if (!needed_comp_cls) { |
| 650 | fprintf(stderr, "\n%s%sCannot find component class %s", |
| 651 | bt_common_color_bold(), |
| 652 | bt_common_color_fg_red(), |
| 653 | bt_common_color_reset()); |
| 654 | print_plugin_comp_cls_opt(stderr, |
| 655 | cfg->cmd_data.help.plugin_name->str, |
| 656 | cfg->cmd_data.help.component_name->str, |
| 657 | cfg->cmd_data.help.comp_cls_type); |
| 658 | fprintf(stderr, "\n"); |
| 659 | ret = -1; |
| 660 | goto end; |
| 661 | } |
| 662 | |
| 663 | bt_put(needed_comp_cls); |
| 664 | } |
| 665 | |
| 666 | for (i = 0; i < bt_plugin_get_component_class_count(plugin); i++) { |
| 667 | struct bt_component_class *comp_cls = |
| 668 | bt_plugin_get_component_class(plugin, i); |
| 669 | const char *comp_class_name = |
| 670 | bt_component_class_get_name(comp_cls); |
| 671 | const char *comp_class_description = |
| 672 | bt_component_class_get_description(comp_cls); |
| 673 | const char *comp_class_help = |
| 674 | bt_component_class_get_help(comp_cls); |
| 675 | enum bt_component_class_type type = |
| 676 | bt_component_class_get_type(comp_cls); |
| 677 | |
| 678 | assert(comp_cls); |
| 679 | |
| 680 | if (cfg->cmd_data.help.comp_cls_type != |
| 681 | BT_COMPONENT_CLASS_TYPE_UNKNOWN) { |
| 682 | if (strcmp(cfg->cmd_data.help.component_name->str, |
| 683 | comp_class_name) != 0 && |
| 684 | type == |
| 685 | cfg->cmd_data.help.comp_cls_type) { |
| 686 | bt_put(comp_cls); |
| 687 | continue; |
| 688 | } |
| 689 | } |
| 690 | |
| 691 | printf("\n"); |
| 692 | print_plugin_comp_cls_opt(stdout, |
| 693 | cfg->cmd_data.help.plugin_name->str, |
| 694 | comp_class_name, |
| 695 | type); |
| 696 | printf("\n"); |
| 697 | printf(" %sDescription%s: %s\n", bt_common_color_bold(), |
| 698 | bt_common_color_reset(), |
| 699 | comp_class_description ? comp_class_description : "(None)"); |
| 700 | |
| 701 | if (comp_class_help) { |
| 702 | printf("\n%s\n", comp_class_help); |
| 703 | } |
| 704 | |
| 705 | bt_put(comp_cls); |
| 706 | } |
| 707 | |
| 708 | end: |
| 709 | bt_put(plugin); |
| 710 | return ret; |
| 711 | } |
| 712 | |
| 713 | static int cmd_list_plugins(struct bt_config *cfg) |
| 714 | { |
| 715 | int ret; |
| 716 | int plugins_count, component_classes_count = 0, i; |
| 717 | |
| 718 | ret = load_all_plugins(cfg->cmd_data.list_plugins.plugin_paths); |
| 719 | if (ret) { |
| 720 | goto end; |
| 721 | } |
| 722 | |
| 723 | printf("From the following plugin paths:\n\n"); |
| 724 | print_value(cfg->cmd_data.list_plugins.plugin_paths, 2); |
| 725 | printf("\n"); |
| 726 | plugins_count = loaded_plugins->len; |
| 727 | if (plugins_count == 0) { |
| 728 | fprintf(stderr, "%s%sNo plugins found.%s\n", |
| 729 | bt_common_color_bold(), bt_common_color_fg_red(), |
| 730 | bt_common_color_reset()); |
| 731 | fprintf(stderr, "\n"); |
| 732 | fprintf(stderr, "Please make sure your plugin search path is set correctly. You can use\n"); |
| 733 | fprintf(stderr, "the --plugin-path command-line option or the BABELTRACE_PLUGIN_PATH\n"); |
| 734 | fprintf(stderr, "environment variable.\n"); |
| 735 | ret = -1; |
| 736 | goto end; |
| 737 | } |
| 738 | |
| 739 | for (i = 0; i < plugins_count; i++) { |
| 740 | struct bt_plugin *plugin = g_ptr_array_index(loaded_plugins, i); |
| 741 | |
| 742 | component_classes_count += bt_plugin_get_component_class_count(plugin); |
| 743 | } |
| 744 | |
| 745 | printf("Found %s%d%s component classes in %s%d%s plugins.\n", |
| 746 | bt_common_color_bold(), |
| 747 | component_classes_count, |
| 748 | bt_common_color_reset(), |
| 749 | bt_common_color_bold(), |
| 750 | plugins_count, |
| 751 | bt_common_color_reset()); |
| 752 | |
| 753 | for (i = 0; i < plugins_count; i++) { |
| 754 | int j; |
| 755 | struct bt_plugin *plugin = g_ptr_array_index(loaded_plugins, i); |
| 756 | |
| 757 | component_classes_count = |
| 758 | bt_plugin_get_component_class_count(plugin); |
| 759 | printf("\n"); |
| 760 | print_plugin_info(plugin); |
| 761 | |
| 762 | if (component_classes_count == 0) { |
| 763 | printf(" %sComponent classes%s: (None)\n", |
| 764 | bt_common_color_bold(), |
| 765 | bt_common_color_reset()); |
| 766 | } else { |
| 767 | printf(" %sComponent classes%s:\n", |
| 768 | bt_common_color_bold(), |
| 769 | bt_common_color_reset()); |
| 770 | } |
| 771 | |
| 772 | for (j = 0; j < component_classes_count; j++) { |
| 773 | struct bt_component_class *comp_class = |
| 774 | bt_plugin_get_component_class(plugin, j); |
| 775 | const char *comp_class_name = |
| 776 | bt_component_class_get_name(comp_class); |
| 777 | const char *comp_class_description = |
| 778 | bt_component_class_get_description(comp_class); |
| 779 | enum bt_component_class_type type = |
| 780 | bt_component_class_get_type(comp_class); |
| 781 | |
| 782 | printf(" "); |
| 783 | print_plugin_comp_cls_opt(stdout, |
| 784 | bt_plugin_get_name(plugin), comp_class_name, |
| 785 | type); |
| 786 | |
| 787 | if (comp_class_description) { |
| 788 | printf(": %s", comp_class_description); |
| 789 | } |
| 790 | |
| 791 | printf("\n"); |
| 792 | bt_put(comp_class); |
| 793 | } |
| 794 | } |
| 795 | |
| 796 | end: |
| 797 | return ret; |
| 798 | } |
| 799 | |
| 800 | static int cmd_convert(struct bt_config *cfg) |
| 801 | { |
| 802 | int ret = 0; |
| 803 | struct bt_component_class *source_class = NULL; |
| 804 | struct bt_component_class *sink_class = NULL; |
| 805 | struct bt_component *source = NULL, *sink = NULL; |
| 806 | struct bt_value *source_params = NULL, *sink_params = NULL; |
| 807 | enum bt_component_status sink_status; |
| 808 | struct bt_config_component *source_cfg = NULL, *sink_cfg = NULL; |
| 809 | |
| 810 | /* TODO handle more than 1 source and 1 sink. */ |
| 811 | if (cfg->cmd_data.convert.sources->len != 1 || |
| 812 | cfg->cmd_data.convert.sinks->len != 1) { |
| 813 | ret = -1; |
| 814 | goto end; |
| 815 | } |
| 816 | |
| 817 | ret = load_all_plugins(cfg->cmd_data.convert.plugin_paths); |
| 818 | if (ret) { |
| 819 | goto end; |
| 820 | } |
| 821 | |
| 822 | source_cfg = bt_config_get_component(cfg->cmd_data.convert.sources, 0); |
| 823 | source_params = bt_get(source_cfg->params); |
| 824 | source_class = find_component_class(source_cfg->plugin_name->str, |
| 825 | source_cfg->component_name->str, |
| 826 | BT_COMPONENT_CLASS_TYPE_SOURCE); |
| 827 | if (!source_class) { |
| 828 | fprintf(stderr, "Could not find %s.%s source component class. Aborting...\n", |
| 829 | source_cfg->plugin_name->str, |
| 830 | source_cfg->component_name->str); |
| 831 | ret = -1; |
| 832 | goto end; |
| 833 | } |
| 834 | |
| 835 | sink_cfg = bt_config_get_component(cfg->cmd_data.convert.sinks, 0); |
| 836 | sink_params = bt_get(sink_cfg->params); |
| 837 | sink_class = find_component_class(sink_cfg->plugin_name->str, |
| 838 | sink_cfg->component_name->str, |
| 839 | BT_COMPONENT_CLASS_TYPE_SINK); |
| 840 | if (!sink_class) { |
| 841 | fprintf(stderr, "Could not find %s.%s output component class. Aborting...\n", |
| 842 | sink_cfg->plugin_name->str, |
| 843 | sink_cfg->component_name->str); |
| 844 | ret = -1; |
| 845 | goto end; |
| 846 | } |
| 847 | |
| 848 | source = bt_component_create(source_class, "source", source_params); |
| 849 | if (!source) { |
| 850 | fprintf(stderr, "Failed to instantiate selected source component. Aborting...\n"); |
| 851 | ret = -1; |
| 852 | goto end; |
| 853 | } |
| 854 | |
| 855 | sink = bt_component_create(sink_class, "sink", sink_params); |
| 856 | if (!sink) { |
| 857 | fprintf(stderr, "Failed to instantiate selected output component. Aborting...\n"); |
| 858 | ret = -1; |
| 859 | goto end; |
| 860 | } |
| 861 | |
| 862 | ret = connect_source_sink(source, source_cfg, sink); |
| 863 | if (ret) { |
| 864 | ret = -1; |
| 865 | goto end; |
| 866 | } |
| 867 | |
| 868 | while (true) { |
| 869 | sink_status = bt_component_sink_consume(sink); |
| 870 | switch (sink_status) { |
| 871 | case BT_COMPONENT_STATUS_AGAIN: |
| 872 | /* Wait for an arbitraty 500 ms. */ |
| 873 | usleep(500000); |
| 874 | break; |
| 875 | case BT_COMPONENT_STATUS_OK: |
| 876 | break; |
| 877 | case BT_COMPONENT_STATUS_END: |
| 878 | goto end; |
| 879 | default: |
| 880 | fprintf(stderr, "Sink component returned an error, aborting...\n"); |
| 881 | ret = -1; |
| 882 | goto end; |
| 883 | } |
| 884 | } |
| 885 | |
| 886 | end: |
| 887 | BT_PUT(sink_class); |
| 888 | BT_PUT(source_class); |
| 889 | BT_PUT(source); |
| 890 | BT_PUT(sink); |
| 891 | BT_PUT(source_params); |
| 892 | BT_PUT(sink_params); |
| 893 | BT_PUT(sink_cfg); |
| 894 | BT_PUT(source_cfg); |
| 895 | return ret; |
| 896 | } |
| 897 | |
| 898 | static void warn_command_name_and_directory_clash(struct bt_config *cfg) |
| 899 | { |
| 900 | if (!cfg->command_name) { |
| 901 | return; |
| 902 | } |
| 903 | |
| 904 | if (g_file_test(cfg->command_name, |
| 905 | G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR)) { |
| 906 | fprintf(stderr, "\nNOTE: The `%s` command was executed. If you meant to convert a\n", |
| 907 | cfg->command_name); |
| 908 | fprintf(stderr, "trace located in the local `%s` directory, please use:\n", |
| 909 | cfg->command_name); |
| 910 | fprintf(stderr, "\n"); |
| 911 | fprintf(stderr, " babeltrace convert %s [OPTIONS]\n", |
| 912 | cfg->command_name); |
| 913 | } |
| 914 | } |
| 915 | |
| 916 | int main(int argc, const char **argv) |
| 917 | { |
| 918 | int ret; |
| 919 | int retcode; |
| 920 | struct bt_config *cfg; |
| 921 | |
| 922 | init_loaded_plugins_array(); |
| 923 | cfg = bt_config_from_args_with_defaults(argc, argv, &retcode); |
| 924 | |
| 925 | if (retcode < 0) { |
| 926 | /* Quit without errors; typically usage/version */ |
| 927 | retcode = 0; |
| 928 | goto end; |
| 929 | } |
| 930 | |
| 931 | if (retcode > 0) { |
| 932 | goto end; |
| 933 | } |
| 934 | |
| 935 | if (!cfg) { |
| 936 | fprintf(stderr, "Failed to create Babeltrace configuration\n"); |
| 937 | goto end; |
| 938 | } |
| 939 | |
| 940 | babeltrace_debug = cfg->debug; |
| 941 | babeltrace_verbose = cfg->verbose; |
| 942 | print_cfg(cfg); |
| 943 | |
| 944 | switch (cfg->command) { |
| 945 | case BT_CONFIG_COMMAND_CONVERT: |
| 946 | ret = cmd_convert(cfg); |
| 947 | break; |
| 948 | case BT_CONFIG_COMMAND_LIST_PLUGINS: |
| 949 | ret = cmd_list_plugins(cfg); |
| 950 | break; |
| 951 | case BT_CONFIG_COMMAND_HELP: |
| 952 | ret = cmd_help(cfg); |
| 953 | break; |
| 954 | default: |
| 955 | assert(false); |
| 956 | } |
| 957 | |
| 958 | warn_command_name_and_directory_clash(cfg); |
| 959 | retcode = ret ? 1 : 0; |
| 960 | |
| 961 | end: |
| 962 | BT_PUT(cfg); |
| 963 | fini_loaded_plugins_array(); |
| 964 | return retcode; |
| 965 | } |