| 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/graph/component.h> |
| 33 | #include <babeltrace/graph/component-source.h> |
| 34 | #include <babeltrace/graph/component-sink.h> |
| 35 | #include <babeltrace/graph/component-filter.h> |
| 36 | #include <babeltrace/graph/component-class.h> |
| 37 | #include <babeltrace/graph/port.h> |
| 38 | #include <babeltrace/graph/graph.h> |
| 39 | #include <babeltrace/graph/connection.h> |
| 40 | #include <babeltrace/graph/notification-iterator.h> |
| 41 | #include <babeltrace/ref.h> |
| 42 | #include <babeltrace/values.h> |
| 43 | #include <babeltrace/logging.h> |
| 44 | #include <unistd.h> |
| 45 | #include <stdlib.h> |
| 46 | #include <popt.h> |
| 47 | #include <string.h> |
| 48 | #include <stdio.h> |
| 49 | #include <glib.h> |
| 50 | #include <inttypes.h> |
| 51 | #include <unistd.h> |
| 52 | #include "babeltrace-cfg.h" |
| 53 | #include "babeltrace-cfg-cli-args.h" |
| 54 | #include "babeltrace-cfg-cli-args-default.h" |
| 55 | |
| 56 | #define BT_LOG_TAG "CLI" |
| 57 | #include "logging.h" |
| 58 | |
| 59 | #define ENV_BABELTRACE_WARN_COMMAND_NAME_DIRECTORY_CLASH "BABELTRACE_CLI_WARN_COMMAND_NAME_DIRECTORY_CLASH" |
| 60 | |
| 61 | GPtrArray *loaded_plugins; |
| 62 | |
| 63 | BT_HIDDEN |
| 64 | int bt_cli_log_level = BT_LOG_NONE; |
| 65 | |
| 66 | static |
| 67 | void init_static_data(void) |
| 68 | { |
| 69 | loaded_plugins = g_ptr_array_new_with_free_func(bt_put); |
| 70 | } |
| 71 | |
| 72 | static |
| 73 | void fini_static_data(void) |
| 74 | { |
| 75 | g_ptr_array_free(loaded_plugins, TRUE); |
| 76 | } |
| 77 | |
| 78 | static |
| 79 | struct bt_plugin *find_plugin(const char *name) |
| 80 | { |
| 81 | int i; |
| 82 | struct bt_plugin *plugin = NULL; |
| 83 | |
| 84 | assert(name); |
| 85 | BT_LOGD("Finding plugin: name=\"%s\"", name); |
| 86 | |
| 87 | for (i = 0; i < loaded_plugins->len; i++) { |
| 88 | plugin = g_ptr_array_index(loaded_plugins, i); |
| 89 | |
| 90 | if (strcmp(name, bt_plugin_get_name(plugin)) == 0) { |
| 91 | break; |
| 92 | } |
| 93 | |
| 94 | plugin = NULL; |
| 95 | } |
| 96 | |
| 97 | if (BT_LOG_ON_DEBUG) { |
| 98 | if (plugin) { |
| 99 | BT_LOGD("Found plugin: plugin-addr=%p", plugin); |
| 100 | } else { |
| 101 | BT_LOGD("Cannot find plugin."); |
| 102 | } |
| 103 | } |
| 104 | |
| 105 | return bt_get(plugin); |
| 106 | } |
| 107 | |
| 108 | static |
| 109 | struct bt_component_class *find_component_class(const char *plugin_name, |
| 110 | const char *comp_class_name, |
| 111 | enum bt_component_class_type comp_class_type) |
| 112 | { |
| 113 | struct bt_component_class *comp_class = NULL; |
| 114 | struct bt_plugin *plugin; |
| 115 | |
| 116 | BT_LOGD("Finding component class: plugin-name=\"%s\", " |
| 117 | "comp-cls-name=\"%s\", comp-cls-type=%d", |
| 118 | plugin_name, comp_class_name, comp_class_type); |
| 119 | |
| 120 | plugin = find_plugin(plugin_name); |
| 121 | |
| 122 | if (!plugin) { |
| 123 | goto end; |
| 124 | } |
| 125 | |
| 126 | comp_class = bt_plugin_get_component_class_by_name_and_type(plugin, |
| 127 | comp_class_name, comp_class_type); |
| 128 | BT_PUT(plugin); |
| 129 | |
| 130 | end: |
| 131 | if (BT_LOG_ON_DEBUG) { |
| 132 | if (comp_class) { |
| 133 | BT_LOGD("Found component class: comp-cls-addr=%p", |
| 134 | comp_class); |
| 135 | } else { |
| 136 | BT_LOGD("Cannot find component class."); |
| 137 | } |
| 138 | } |
| 139 | |
| 140 | return comp_class; |
| 141 | } |
| 142 | |
| 143 | static |
| 144 | void print_indent(FILE *fp, size_t indent) |
| 145 | { |
| 146 | size_t i; |
| 147 | |
| 148 | for (i = 0; i < indent; i++) { |
| 149 | fprintf(fp, " "); |
| 150 | } |
| 151 | } |
| 152 | |
| 153 | static |
| 154 | const char *component_type_str(enum bt_component_class_type type) |
| 155 | { |
| 156 | switch (type) { |
| 157 | case BT_COMPONENT_CLASS_TYPE_SOURCE: |
| 158 | return "source"; |
| 159 | case BT_COMPONENT_CLASS_TYPE_SINK: |
| 160 | return "sink"; |
| 161 | case BT_COMPONENT_CLASS_TYPE_FILTER: |
| 162 | return "filter"; |
| 163 | case BT_COMPONENT_CLASS_TYPE_UNKNOWN: |
| 164 | default: |
| 165 | return "unknown"; |
| 166 | } |
| 167 | } |
| 168 | |
| 169 | static |
| 170 | void print_plugin_comp_cls_opt(FILE *fh, const char *plugin_name, |
| 171 | const char *comp_cls_name, enum bt_component_class_type type) |
| 172 | { |
| 173 | GString *shell_plugin_name = NULL; |
| 174 | GString *shell_comp_cls_name = NULL; |
| 175 | |
| 176 | shell_plugin_name = bt_common_shell_quote(plugin_name, false); |
| 177 | if (!shell_plugin_name) { |
| 178 | goto end; |
| 179 | } |
| 180 | |
| 181 | shell_comp_cls_name = bt_common_shell_quote(comp_cls_name, false); |
| 182 | if (!shell_comp_cls_name) { |
| 183 | goto end; |
| 184 | } |
| 185 | |
| 186 | fprintf(fh, "%s%s--%s%s %s'%s%s%s%s.%s%s%s'", |
| 187 | bt_common_color_bold(), |
| 188 | bt_common_color_fg_cyan(), |
| 189 | component_type_str(type), |
| 190 | bt_common_color_reset(), |
| 191 | bt_common_color_fg_default(), |
| 192 | bt_common_color_bold(), |
| 193 | bt_common_color_fg_blue(), |
| 194 | shell_plugin_name->str, |
| 195 | bt_common_color_fg_default(), |
| 196 | bt_common_color_fg_yellow(), |
| 197 | shell_comp_cls_name->str, |
| 198 | bt_common_color_reset()); |
| 199 | |
| 200 | end: |
| 201 | if (shell_plugin_name) { |
| 202 | g_string_free(shell_plugin_name, TRUE); |
| 203 | } |
| 204 | |
| 205 | if (shell_comp_cls_name) { |
| 206 | g_string_free(shell_comp_cls_name, TRUE); |
| 207 | } |
| 208 | } |
| 209 | |
| 210 | static |
| 211 | void print_value(FILE *, struct bt_value *, size_t); |
| 212 | |
| 213 | static |
| 214 | void print_value_rec(FILE *, struct bt_value *, size_t); |
| 215 | |
| 216 | struct print_map_value_data { |
| 217 | size_t indent; |
| 218 | FILE *fp; |
| 219 | }; |
| 220 | |
| 221 | static |
| 222 | bt_bool print_map_value(const char *key, struct bt_value *object, void *data) |
| 223 | { |
| 224 | struct print_map_value_data *print_map_value_data = data; |
| 225 | |
| 226 | print_indent(print_map_value_data->fp, print_map_value_data->indent); |
| 227 | fprintf(print_map_value_data->fp, "%s: ", key); |
| 228 | |
| 229 | if (bt_value_is_array(object) && |
| 230 | bt_value_array_is_empty(object)) { |
| 231 | fprintf(print_map_value_data->fp, "[ ]\n"); |
| 232 | return true; |
| 233 | } |
| 234 | |
| 235 | if (bt_value_is_map(object) && |
| 236 | bt_value_map_is_empty(object)) { |
| 237 | fprintf(print_map_value_data->fp, "{ }\n"); |
| 238 | return true; |
| 239 | } |
| 240 | |
| 241 | if (bt_value_is_array(object) || |
| 242 | bt_value_is_map(object)) { |
| 243 | fprintf(print_map_value_data->fp, "\n"); |
| 244 | } |
| 245 | |
| 246 | print_value_rec(print_map_value_data->fp, object, |
| 247 | print_map_value_data->indent + 2); |
| 248 | return BT_TRUE; |
| 249 | } |
| 250 | |
| 251 | static |
| 252 | void print_value_rec(FILE *fp, struct bt_value *value, size_t indent) |
| 253 | { |
| 254 | bt_bool bool_val; |
| 255 | int64_t int_val; |
| 256 | double dbl_val; |
| 257 | const char *str_val; |
| 258 | int size; |
| 259 | int i; |
| 260 | |
| 261 | if (!value) { |
| 262 | return; |
| 263 | } |
| 264 | |
| 265 | switch (bt_value_get_type(value)) { |
| 266 | case BT_VALUE_TYPE_NULL: |
| 267 | fprintf(fp, "%snull%s\n", bt_common_color_bold(), |
| 268 | bt_common_color_reset()); |
| 269 | break; |
| 270 | case BT_VALUE_TYPE_BOOL: |
| 271 | bt_value_bool_get(value, &bool_val); |
| 272 | fprintf(fp, "%s%s%s%s\n", bt_common_color_bold(), |
| 273 | bt_common_color_fg_cyan(), bool_val ? "yes" : "no", |
| 274 | bt_common_color_reset()); |
| 275 | break; |
| 276 | case BT_VALUE_TYPE_INTEGER: |
| 277 | bt_value_integer_get(value, &int_val); |
| 278 | fprintf(fp, "%s%s%" PRId64 "%s\n", bt_common_color_bold(), |
| 279 | bt_common_color_fg_red(), int_val, |
| 280 | bt_common_color_reset()); |
| 281 | break; |
| 282 | case BT_VALUE_TYPE_FLOAT: |
| 283 | bt_value_float_get(value, &dbl_val); |
| 284 | fprintf(fp, "%s%s%lf%s\n", bt_common_color_bold(), |
| 285 | bt_common_color_fg_red(), dbl_val, |
| 286 | bt_common_color_reset()); |
| 287 | break; |
| 288 | case BT_VALUE_TYPE_STRING: |
| 289 | bt_value_string_get(value, &str_val); |
| 290 | fprintf(fp, "%s%s%s%s\n", bt_common_color_bold(), |
| 291 | bt_common_color_fg_green(), str_val, |
| 292 | bt_common_color_reset()); |
| 293 | break; |
| 294 | case BT_VALUE_TYPE_ARRAY: |
| 295 | size = bt_value_array_size(value); |
| 296 | assert(size >= 0); |
| 297 | |
| 298 | if (size == 0) { |
| 299 | print_indent(fp, indent); |
| 300 | fprintf(fp, "[ ]\n"); |
| 301 | break; |
| 302 | } |
| 303 | |
| 304 | for (i = 0; i < size; i++) { |
| 305 | struct bt_value *element = |
| 306 | bt_value_array_get(value, i); |
| 307 | |
| 308 | assert(element); |
| 309 | print_indent(fp, indent); |
| 310 | fprintf(fp, "- "); |
| 311 | |
| 312 | if (bt_value_is_array(element) && |
| 313 | bt_value_array_is_empty(element)) { |
| 314 | fprintf(fp, "[ ]\n"); |
| 315 | continue; |
| 316 | } |
| 317 | |
| 318 | if (bt_value_is_map(element) && |
| 319 | bt_value_map_is_empty(element)) { |
| 320 | fprintf(fp, "{ }\n"); |
| 321 | continue; |
| 322 | } |
| 323 | |
| 324 | if (bt_value_is_array(element) || |
| 325 | bt_value_is_map(element)) { |
| 326 | fprintf(fp, "\n"); |
| 327 | } |
| 328 | |
| 329 | print_value_rec(fp, element, indent + 2); |
| 330 | BT_PUT(element); |
| 331 | } |
| 332 | break; |
| 333 | case BT_VALUE_TYPE_MAP: |
| 334 | { |
| 335 | struct print_map_value_data data = { |
| 336 | .indent = indent, |
| 337 | .fp = fp, |
| 338 | }; |
| 339 | |
| 340 | if (bt_value_map_is_empty(value)) { |
| 341 | print_indent(fp, indent); |
| 342 | fprintf(fp, "{ }\n"); |
| 343 | break; |
| 344 | } |
| 345 | |
| 346 | bt_value_map_foreach(value, print_map_value, &data); |
| 347 | break; |
| 348 | } |
| 349 | default: |
| 350 | assert(false); |
| 351 | } |
| 352 | } |
| 353 | |
| 354 | static |
| 355 | void print_value(FILE *fp, struct bt_value *value, size_t indent) |
| 356 | { |
| 357 | if (!bt_value_is_array(value) && !bt_value_is_map(value)) { |
| 358 | print_indent(fp, indent); |
| 359 | } |
| 360 | |
| 361 | print_value_rec(fp, value, indent); |
| 362 | } |
| 363 | |
| 364 | static |
| 365 | void print_bt_config_component(struct bt_config_component *bt_config_component) |
| 366 | { |
| 367 | fprintf(stderr, " "); |
| 368 | print_plugin_comp_cls_opt(stderr, bt_config_component->plugin_name->str, |
| 369 | bt_config_component->comp_cls_name->str, |
| 370 | bt_config_component->type); |
| 371 | fprintf(stderr, ":\n"); |
| 372 | |
| 373 | if (bt_config_component->instance_name->len > 0) { |
| 374 | fprintf(stderr, " Name: %s\n", |
| 375 | bt_config_component->instance_name->str); |
| 376 | } |
| 377 | |
| 378 | fprintf(stderr, " Parameters:\n"); |
| 379 | print_value(stderr, bt_config_component->params, 8); |
| 380 | } |
| 381 | |
| 382 | static |
| 383 | void print_bt_config_components(GPtrArray *array) |
| 384 | { |
| 385 | size_t i; |
| 386 | |
| 387 | for (i = 0; i < array->len; i++) { |
| 388 | struct bt_config_component *cfg_component = |
| 389 | bt_config_get_component(array, i); |
| 390 | print_bt_config_component(cfg_component); |
| 391 | BT_PUT(cfg_component); |
| 392 | } |
| 393 | } |
| 394 | |
| 395 | static |
| 396 | void print_plugin_paths(struct bt_value *plugin_paths) |
| 397 | { |
| 398 | fprintf(stderr, " Plugin paths:\n"); |
| 399 | print_value(stderr, plugin_paths, 4); |
| 400 | } |
| 401 | |
| 402 | static |
| 403 | void print_cfg_run(struct bt_config *cfg) |
| 404 | { |
| 405 | size_t i; |
| 406 | |
| 407 | print_plugin_paths(cfg->plugin_paths); |
| 408 | fprintf(stderr, " Source component instances:\n"); |
| 409 | print_bt_config_components(cfg->cmd_data.run.sources); |
| 410 | |
| 411 | if (cfg->cmd_data.run.filters->len > 0) { |
| 412 | fprintf(stderr, " Filter component instances:\n"); |
| 413 | print_bt_config_components(cfg->cmd_data.run.filters); |
| 414 | } |
| 415 | |
| 416 | fprintf(stderr, " Sink component instances:\n"); |
| 417 | print_bt_config_components(cfg->cmd_data.run.sinks); |
| 418 | fprintf(stderr, " Connections:\n"); |
| 419 | |
| 420 | for (i = 0; i < cfg->cmd_data.run.connections->len; i++) { |
| 421 | struct bt_config_connection *cfg_connection = |
| 422 | g_ptr_array_index(cfg->cmd_data.run.connections, |
| 423 | i); |
| 424 | |
| 425 | fprintf(stderr, " %s%s%s -> %s%s%s\n", |
| 426 | cfg_connection->upstream_comp_name->str, |
| 427 | cfg_connection->upstream_port_glob->len > 0 ? "." : "", |
| 428 | cfg_connection->upstream_port_glob->str, |
| 429 | cfg_connection->downstream_comp_name->str, |
| 430 | cfg_connection->downstream_port_glob->len > 0 ? "." : "", |
| 431 | cfg_connection->downstream_port_glob->str); |
| 432 | } |
| 433 | } |
| 434 | |
| 435 | static |
| 436 | void print_cfg_list_plugins(struct bt_config *cfg) |
| 437 | { |
| 438 | print_plugin_paths(cfg->plugin_paths); |
| 439 | } |
| 440 | |
| 441 | static |
| 442 | void print_cfg_help(struct bt_config *cfg) |
| 443 | { |
| 444 | print_plugin_paths(cfg->plugin_paths); |
| 445 | } |
| 446 | |
| 447 | static |
| 448 | void print_cfg_print_ctf_metadata(struct bt_config *cfg) |
| 449 | { |
| 450 | print_plugin_paths(cfg->plugin_paths); |
| 451 | fprintf(stderr, " Path: %s\n", |
| 452 | cfg->cmd_data.print_ctf_metadata.path->str); |
| 453 | } |
| 454 | |
| 455 | static |
| 456 | void print_cfg_print_lttng_live_sessions(struct bt_config *cfg) |
| 457 | { |
| 458 | print_plugin_paths(cfg->plugin_paths); |
| 459 | fprintf(stderr, " URL: %s\n", |
| 460 | cfg->cmd_data.print_lttng_live_sessions.url->str); |
| 461 | } |
| 462 | |
| 463 | static |
| 464 | void print_cfg_query(struct bt_config *cfg) |
| 465 | { |
| 466 | print_plugin_paths(cfg->plugin_paths); |
| 467 | fprintf(stderr, " Object: `%s`\n", cfg->cmd_data.query.object->str); |
| 468 | fprintf(stderr, " Component class:\n"); |
| 469 | print_bt_config_component(cfg->cmd_data.query.cfg_component); |
| 470 | } |
| 471 | |
| 472 | static |
| 473 | void print_cfg(struct bt_config *cfg) |
| 474 | { |
| 475 | if (!BT_LOG_ON_INFO) { |
| 476 | return; |
| 477 | } |
| 478 | |
| 479 | BT_LOGI_STR("Configuration:"); |
| 480 | fprintf(stderr, " Debug mode: %s\n", cfg->debug ? "yes" : "no"); |
| 481 | fprintf(stderr, " Verbose mode: %s\n", cfg->verbose ? "yes" : "no"); |
| 482 | |
| 483 | switch (cfg->command) { |
| 484 | case BT_CONFIG_COMMAND_RUN: |
| 485 | print_cfg_run(cfg); |
| 486 | break; |
| 487 | case BT_CONFIG_COMMAND_LIST_PLUGINS: |
| 488 | print_cfg_list_plugins(cfg); |
| 489 | break; |
| 490 | case BT_CONFIG_COMMAND_HELP: |
| 491 | print_cfg_help(cfg); |
| 492 | break; |
| 493 | case BT_CONFIG_COMMAND_QUERY: |
| 494 | print_cfg_query(cfg); |
| 495 | break; |
| 496 | case BT_CONFIG_COMMAND_PRINT_CTF_METADATA: |
| 497 | print_cfg_print_ctf_metadata(cfg); |
| 498 | break; |
| 499 | case BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS: |
| 500 | print_cfg_print_lttng_live_sessions(cfg); |
| 501 | break; |
| 502 | default: |
| 503 | assert(false); |
| 504 | } |
| 505 | } |
| 506 | |
| 507 | static |
| 508 | void add_to_loaded_plugins(struct bt_plugin_set *plugin_set) |
| 509 | { |
| 510 | int64_t i; |
| 511 | int64_t count; |
| 512 | |
| 513 | count = bt_plugin_set_get_plugin_count(plugin_set); |
| 514 | assert(count >= 0); |
| 515 | |
| 516 | for (i = 0; i < count; i++) { |
| 517 | struct bt_plugin *plugin = |
| 518 | bt_plugin_set_get_plugin(plugin_set, i); |
| 519 | struct bt_plugin *loaded_plugin = |
| 520 | find_plugin(bt_plugin_get_name(plugin)); |
| 521 | |
| 522 | assert(plugin); |
| 523 | |
| 524 | if (loaded_plugin) { |
| 525 | BT_LOGI("Not using plugin: another one already exists with the same name: " |
| 526 | "plugin-name=\"%s\", plugin-path=\"%s\", " |
| 527 | "existing-plugin-path=\"%s\"", |
| 528 | bt_plugin_get_name(plugin), |
| 529 | bt_plugin_get_path(plugin), |
| 530 | bt_plugin_get_path(loaded_plugin)); |
| 531 | bt_put(loaded_plugin); |
| 532 | } else { |
| 533 | /* Add to global array. */ |
| 534 | BT_LOGD("Adding plugin to loaded plugins: plugin-path=\"%s\"", |
| 535 | bt_plugin_get_name(plugin)); |
| 536 | g_ptr_array_add(loaded_plugins, bt_get(plugin)); |
| 537 | } |
| 538 | |
| 539 | bt_put(plugin); |
| 540 | } |
| 541 | } |
| 542 | |
| 543 | static |
| 544 | int load_dynamic_plugins(struct bt_value *plugin_paths) |
| 545 | { |
| 546 | int nr_paths, i, ret = 0; |
| 547 | |
| 548 | nr_paths = bt_value_array_size(plugin_paths); |
| 549 | if (nr_paths < 0) { |
| 550 | BT_LOGE_STR("Cannot load dynamic plugins: no plugin path."); |
| 551 | ret = -1; |
| 552 | goto end; |
| 553 | } |
| 554 | |
| 555 | BT_LOGI("Loading dynamic plugins."); |
| 556 | |
| 557 | for (i = 0; i < nr_paths; i++) { |
| 558 | struct bt_value *plugin_path_value = NULL; |
| 559 | const char *plugin_path; |
| 560 | struct bt_plugin_set *plugin_set; |
| 561 | |
| 562 | plugin_path_value = bt_value_array_get(plugin_paths, i); |
| 563 | bt_value_string_get(plugin_path_value, &plugin_path); |
| 564 | assert(plugin_path); |
| 565 | plugin_set = bt_plugin_create_all_from_dir(plugin_path, false); |
| 566 | if (!plugin_set) { |
| 567 | BT_LOGD("Unable to load dynamic plugins: path=\"%s\"", |
| 568 | plugin_path); |
| 569 | BT_PUT(plugin_path_value); |
| 570 | continue; |
| 571 | } |
| 572 | |
| 573 | add_to_loaded_plugins(plugin_set); |
| 574 | bt_put(plugin_set); |
| 575 | BT_PUT(plugin_path_value); |
| 576 | } |
| 577 | end: |
| 578 | return ret; |
| 579 | } |
| 580 | |
| 581 | static |
| 582 | int load_static_plugins(void) |
| 583 | { |
| 584 | int ret = 0; |
| 585 | struct bt_plugin_set *plugin_set; |
| 586 | |
| 587 | BT_LOGI("Loading static plugins."); |
| 588 | plugin_set = bt_plugin_create_all_from_static(); |
| 589 | if (!plugin_set) { |
| 590 | BT_LOGE("Unable to load static plugins."); |
| 591 | ret = -1; |
| 592 | goto end; |
| 593 | } |
| 594 | |
| 595 | add_to_loaded_plugins(plugin_set); |
| 596 | bt_put(plugin_set); |
| 597 | end: |
| 598 | return ret; |
| 599 | } |
| 600 | |
| 601 | static |
| 602 | int load_all_plugins(struct bt_value *plugin_paths) |
| 603 | { |
| 604 | int ret = 0; |
| 605 | |
| 606 | if (load_dynamic_plugins(plugin_paths)) { |
| 607 | ret = -1; |
| 608 | goto end; |
| 609 | } |
| 610 | |
| 611 | if (load_static_plugins()) { |
| 612 | ret = -1; |
| 613 | goto end; |
| 614 | } |
| 615 | |
| 616 | BT_LOGI("Loaded all plugins: count=%u", loaded_plugins->len); |
| 617 | |
| 618 | end: |
| 619 | return ret; |
| 620 | } |
| 621 | |
| 622 | static |
| 623 | void print_plugin_info(struct bt_plugin *plugin) |
| 624 | { |
| 625 | unsigned int major, minor, patch; |
| 626 | const char *extra; |
| 627 | enum bt_plugin_status version_status; |
| 628 | const char *plugin_name; |
| 629 | const char *path; |
| 630 | const char *author; |
| 631 | const char *license; |
| 632 | const char *plugin_description; |
| 633 | |
| 634 | plugin_name = bt_plugin_get_name(plugin); |
| 635 | path = bt_plugin_get_path(plugin); |
| 636 | author = bt_plugin_get_author(plugin); |
| 637 | license = bt_plugin_get_license(plugin); |
| 638 | plugin_description = bt_plugin_get_description(plugin); |
| 639 | version_status = bt_plugin_get_version(plugin, &major, &minor, |
| 640 | &patch, &extra); |
| 641 | printf("%s%s%s%s:\n", bt_common_color_bold(), |
| 642 | bt_common_color_fg_blue(), plugin_name, |
| 643 | bt_common_color_reset()); |
| 644 | printf(" %sPath%s: %s\n", bt_common_color_bold(), |
| 645 | bt_common_color_reset(), path ? path : "(None)"); |
| 646 | |
| 647 | if (version_status == BT_PLUGIN_STATUS_OK) { |
| 648 | printf(" %sVersion%s: %u.%u.%u", |
| 649 | bt_common_color_bold(), bt_common_color_reset(), |
| 650 | major, minor, patch); |
| 651 | |
| 652 | if (extra) { |
| 653 | printf("%s", extra); |
| 654 | } |
| 655 | |
| 656 | printf("\n"); |
| 657 | } |
| 658 | |
| 659 | printf(" %sDescription%s: %s\n", bt_common_color_bold(), |
| 660 | bt_common_color_reset(), |
| 661 | plugin_description ? plugin_description : "(None)"); |
| 662 | printf(" %sAuthor%s: %s\n", bt_common_color_bold(), |
| 663 | bt_common_color_reset(), author ? author : "(Unknown)"); |
| 664 | printf(" %sLicense%s: %s\n", bt_common_color_bold(), |
| 665 | bt_common_color_reset(), |
| 666 | license ? license : "(Unknown)"); |
| 667 | } |
| 668 | |
| 669 | static |
| 670 | int cmd_query(struct bt_config *cfg) |
| 671 | { |
| 672 | int ret; |
| 673 | struct bt_component_class *comp_cls = NULL; |
| 674 | struct bt_value *results = NULL; |
| 675 | |
| 676 | ret = load_all_plugins(cfg->plugin_paths); |
| 677 | if (ret) { |
| 678 | goto end; |
| 679 | } |
| 680 | |
| 681 | comp_cls = find_component_class(cfg->cmd_data.query.cfg_component->plugin_name->str, |
| 682 | cfg->cmd_data.query.cfg_component->comp_cls_name->str, |
| 683 | cfg->cmd_data.query.cfg_component->type); |
| 684 | if (!comp_cls) { |
| 685 | BT_LOGE("Cannot find component class: plugin-name=\"%s\", " |
| 686 | "comp-cls-name=\"%s\", comp-cls-type=%d", |
| 687 | cfg->cmd_data.query.cfg_component->plugin_name->str, |
| 688 | cfg->cmd_data.query.cfg_component->comp_cls_name->str, |
| 689 | cfg->cmd_data.query.cfg_component->type); |
| 690 | fprintf(stderr, "%s%sCannot find component class %s", |
| 691 | bt_common_color_bold(), |
| 692 | bt_common_color_fg_red(), |
| 693 | bt_common_color_reset()); |
| 694 | print_plugin_comp_cls_opt(stderr, |
| 695 | cfg->cmd_data.query.cfg_component->plugin_name->str, |
| 696 | cfg->cmd_data.query.cfg_component->comp_cls_name->str, |
| 697 | cfg->cmd_data.query.cfg_component->type); |
| 698 | fprintf(stderr, "\n"); |
| 699 | ret = -1; |
| 700 | goto end; |
| 701 | } |
| 702 | |
| 703 | results = bt_component_class_query(comp_cls, |
| 704 | cfg->cmd_data.query.object->str, |
| 705 | cfg->cmd_data.query.cfg_component->params); |
| 706 | if (!results) { |
| 707 | BT_LOGE("Failed to query component class: plugin-name=\"%s\", " |
| 708 | "comp-cls-name=\"%s\", comp-cls-type=%d " |
| 709 | "object=\"%s\"", |
| 710 | cfg->cmd_data.query.cfg_component->plugin_name->str, |
| 711 | cfg->cmd_data.query.cfg_component->comp_cls_name->str, |
| 712 | cfg->cmd_data.query.cfg_component->type, |
| 713 | cfg->cmd_data.query.object->str); |
| 714 | fprintf(stderr, "%s%sFailed to query info to %s", |
| 715 | bt_common_color_bold(), |
| 716 | bt_common_color_fg_red(), |
| 717 | bt_common_color_reset()); |
| 718 | print_plugin_comp_cls_opt(stderr, |
| 719 | cfg->cmd_data.query.cfg_component->plugin_name->str, |
| 720 | cfg->cmd_data.query.cfg_component->comp_cls_name->str, |
| 721 | cfg->cmd_data.query.cfg_component->type); |
| 722 | fprintf(stderr, "%s%s with object `%s`%s\n", |
| 723 | bt_common_color_bold(), |
| 724 | bt_common_color_fg_red(), |
| 725 | cfg->cmd_data.query.object->str, |
| 726 | bt_common_color_reset()); |
| 727 | ret = -1; |
| 728 | goto end; |
| 729 | } |
| 730 | |
| 731 | print_value(stdout, results, 0); |
| 732 | |
| 733 | end: |
| 734 | bt_put(comp_cls); |
| 735 | bt_put(results); |
| 736 | return ret; |
| 737 | } |
| 738 | |
| 739 | static |
| 740 | int cmd_help(struct bt_config *cfg) |
| 741 | { |
| 742 | int ret; |
| 743 | struct bt_plugin *plugin = NULL; |
| 744 | size_t i; |
| 745 | |
| 746 | ret = load_all_plugins(cfg->plugin_paths); |
| 747 | if (ret) { |
| 748 | goto end; |
| 749 | } |
| 750 | |
| 751 | plugin = find_plugin(cfg->cmd_data.help.cfg_component->plugin_name->str); |
| 752 | if (!plugin) { |
| 753 | BT_LOGE("Cannot find plugin: plugin-name=\"%s\"", |
| 754 | cfg->cmd_data.help.cfg_component->plugin_name->str); |
| 755 | fprintf(stderr, "%s%sCannot find plugin %s%s%s\n", |
| 756 | bt_common_color_bold(), bt_common_color_fg_red(), |
| 757 | bt_common_color_fg_blue(), |
| 758 | cfg->cmd_data.help.cfg_component->plugin_name->str, |
| 759 | bt_common_color_reset()); |
| 760 | ret = -1; |
| 761 | goto end; |
| 762 | } |
| 763 | |
| 764 | print_plugin_info(plugin); |
| 765 | printf(" %sComponent classes%s: %d\n", |
| 766 | bt_common_color_bold(), |
| 767 | bt_common_color_reset(), |
| 768 | (int) bt_plugin_get_component_class_count(plugin)); |
| 769 | |
| 770 | |
| 771 | if (cfg->cmd_data.help.cfg_component->type != |
| 772 | BT_COMPONENT_CLASS_TYPE_UNKNOWN) { |
| 773 | struct bt_component_class *needed_comp_cls = |
| 774 | find_component_class( |
| 775 | cfg->cmd_data.help.cfg_component->plugin_name->str, |
| 776 | cfg->cmd_data.help.cfg_component->comp_cls_name->str, |
| 777 | cfg->cmd_data.help.cfg_component->type); |
| 778 | |
| 779 | if (!needed_comp_cls) { |
| 780 | BT_LOGE("Cannot find component class: plugin-name=\"%s\", " |
| 781 | "comp-cls-name=\"%s\", comp-cls-type=%d", |
| 782 | cfg->cmd_data.help.cfg_component->plugin_name->str, |
| 783 | cfg->cmd_data.help.cfg_component->comp_cls_name->str, |
| 784 | cfg->cmd_data.help.cfg_component->type); |
| 785 | fprintf(stderr, "\n%s%sCannot find component class %s", |
| 786 | bt_common_color_bold(), |
| 787 | bt_common_color_fg_red(), |
| 788 | bt_common_color_reset()); |
| 789 | print_plugin_comp_cls_opt(stderr, |
| 790 | cfg->cmd_data.help.cfg_component->plugin_name->str, |
| 791 | cfg->cmd_data.help.cfg_component->comp_cls_name->str, |
| 792 | cfg->cmd_data.help.cfg_component->type); |
| 793 | fprintf(stderr, "\n"); |
| 794 | ret = -1; |
| 795 | goto end; |
| 796 | } |
| 797 | |
| 798 | bt_put(needed_comp_cls); |
| 799 | } |
| 800 | |
| 801 | for (i = 0; i < bt_plugin_get_component_class_count(plugin); i++) { |
| 802 | struct bt_component_class *comp_cls = |
| 803 | bt_plugin_get_component_class_by_index(plugin, i); |
| 804 | const char *comp_class_name = |
| 805 | bt_component_class_get_name(comp_cls); |
| 806 | const char *comp_class_description = |
| 807 | bt_component_class_get_description(comp_cls); |
| 808 | const char *comp_class_help = |
| 809 | bt_component_class_get_help(comp_cls); |
| 810 | enum bt_component_class_type type = |
| 811 | bt_component_class_get_type(comp_cls); |
| 812 | |
| 813 | assert(comp_cls); |
| 814 | |
| 815 | if (cfg->cmd_data.help.cfg_component->type != |
| 816 | BT_COMPONENT_CLASS_TYPE_UNKNOWN) { |
| 817 | if (strcmp(cfg->cmd_data.help.cfg_component->comp_cls_name->str, |
| 818 | comp_class_name) != 0 && |
| 819 | type == |
| 820 | cfg->cmd_data.help.cfg_component->type) { |
| 821 | bt_put(comp_cls); |
| 822 | continue; |
| 823 | } |
| 824 | } |
| 825 | |
| 826 | printf("\n"); |
| 827 | print_plugin_comp_cls_opt(stdout, |
| 828 | cfg->cmd_data.help.cfg_component->plugin_name->str, |
| 829 | comp_class_name, |
| 830 | type); |
| 831 | printf("\n"); |
| 832 | printf(" %sDescription%s: %s\n", bt_common_color_bold(), |
| 833 | bt_common_color_reset(), |
| 834 | comp_class_description ? comp_class_description : "(None)"); |
| 835 | |
| 836 | if (comp_class_help) { |
| 837 | printf("\n%s\n", comp_class_help); |
| 838 | } |
| 839 | |
| 840 | bt_put(comp_cls); |
| 841 | } |
| 842 | |
| 843 | end: |
| 844 | bt_put(plugin); |
| 845 | return ret; |
| 846 | } |
| 847 | |
| 848 | static |
| 849 | int cmd_list_plugins(struct bt_config *cfg) |
| 850 | { |
| 851 | int ret = 0; |
| 852 | int plugins_count, component_classes_count = 0, i; |
| 853 | |
| 854 | ret = load_all_plugins(cfg->plugin_paths); |
| 855 | if (ret) { |
| 856 | goto end; |
| 857 | } |
| 858 | |
| 859 | printf("From the following plugin paths:\n\n"); |
| 860 | print_value(stdout, cfg->plugin_paths, 2); |
| 861 | printf("\n"); |
| 862 | plugins_count = loaded_plugins->len; |
| 863 | if (plugins_count == 0) { |
| 864 | printf("No plugins found.\n"); |
| 865 | goto end; |
| 866 | } |
| 867 | |
| 868 | for (i = 0; i < plugins_count; i++) { |
| 869 | struct bt_plugin *plugin = g_ptr_array_index(loaded_plugins, i); |
| 870 | |
| 871 | component_classes_count += bt_plugin_get_component_class_count(plugin); |
| 872 | } |
| 873 | |
| 874 | printf("Found %s%d%s component classes in %s%d%s plugins.\n", |
| 875 | bt_common_color_bold(), |
| 876 | component_classes_count, |
| 877 | bt_common_color_reset(), |
| 878 | bt_common_color_bold(), |
| 879 | plugins_count, |
| 880 | bt_common_color_reset()); |
| 881 | |
| 882 | for (i = 0; i < plugins_count; i++) { |
| 883 | int j; |
| 884 | struct bt_plugin *plugin = g_ptr_array_index(loaded_plugins, i); |
| 885 | |
| 886 | component_classes_count = |
| 887 | bt_plugin_get_component_class_count(plugin); |
| 888 | printf("\n"); |
| 889 | print_plugin_info(plugin); |
| 890 | |
| 891 | if (component_classes_count == 0) { |
| 892 | printf(" %sComponent classes%s: (none)\n", |
| 893 | bt_common_color_bold(), |
| 894 | bt_common_color_reset()); |
| 895 | } else { |
| 896 | printf(" %sComponent classes%s:\n", |
| 897 | bt_common_color_bold(), |
| 898 | bt_common_color_reset()); |
| 899 | } |
| 900 | |
| 901 | for (j = 0; j < component_classes_count; j++) { |
| 902 | struct bt_component_class *comp_class = |
| 903 | bt_plugin_get_component_class_by_index( |
| 904 | plugin, j); |
| 905 | const char *comp_class_name = |
| 906 | bt_component_class_get_name(comp_class); |
| 907 | const char *comp_class_description = |
| 908 | bt_component_class_get_description(comp_class); |
| 909 | enum bt_component_class_type type = |
| 910 | bt_component_class_get_type(comp_class); |
| 911 | |
| 912 | printf(" "); |
| 913 | print_plugin_comp_cls_opt(stdout, |
| 914 | bt_plugin_get_name(plugin), comp_class_name, |
| 915 | type); |
| 916 | |
| 917 | if (comp_class_description) { |
| 918 | printf(": %s", comp_class_description); |
| 919 | } |
| 920 | |
| 921 | printf("\n"); |
| 922 | bt_put(comp_class); |
| 923 | } |
| 924 | } |
| 925 | |
| 926 | end: |
| 927 | return ret; |
| 928 | } |
| 929 | |
| 930 | static |
| 931 | int cmd_print_lttng_live_sessions(struct bt_config *cfg) |
| 932 | { |
| 933 | printf("TODO\n"); |
| 934 | return -1; |
| 935 | } |
| 936 | |
| 937 | static |
| 938 | int cmd_print_ctf_metadata(struct bt_config *cfg) |
| 939 | { |
| 940 | int ret = 0; |
| 941 | struct bt_component_class *comp_cls = NULL; |
| 942 | struct bt_value *results = NULL; |
| 943 | struct bt_value *params = NULL; |
| 944 | struct bt_value *metadata_text_value = NULL; |
| 945 | const char *metadata_text = NULL; |
| 946 | static const char * const plugin_name = "ctf"; |
| 947 | static const char * const comp_cls_name = "fs"; |
| 948 | static const enum bt_component_class_type comp_cls_type = |
| 949 | BT_COMPONENT_CLASS_TYPE_SOURCE; |
| 950 | |
| 951 | assert(cfg->cmd_data.print_ctf_metadata.path); |
| 952 | comp_cls = find_component_class(plugin_name, comp_cls_name, |
| 953 | comp_cls_type); |
| 954 | if (!comp_cls) { |
| 955 | BT_LOGE("Cannot find component class: plugin-name=\"%s\", " |
| 956 | "comp-cls-name=\"%s\", comp-cls-type=%d", |
| 957 | plugin_name, comp_cls_name, |
| 958 | BT_COMPONENT_CLASS_TYPE_SOURCE); |
| 959 | fprintf(stderr, "%s%sCannot find component class %s", |
| 960 | bt_common_color_bold(), |
| 961 | bt_common_color_fg_red(), |
| 962 | bt_common_color_reset()); |
| 963 | print_plugin_comp_cls_opt(stderr, plugin_name, |
| 964 | comp_cls_name, comp_cls_type); |
| 965 | fprintf(stderr, "\n"); |
| 966 | ret = -1; |
| 967 | goto end; |
| 968 | } |
| 969 | |
| 970 | params = bt_value_map_create(); |
| 971 | if (!params) { |
| 972 | ret = -1; |
| 973 | goto end; |
| 974 | } |
| 975 | |
| 976 | ret = bt_value_map_insert_string(params, "path", |
| 977 | cfg->cmd_data.print_ctf_metadata.path->str); |
| 978 | if (ret) { |
| 979 | ret = -1; |
| 980 | goto end; |
| 981 | } |
| 982 | |
| 983 | results = bt_component_class_query(comp_cls, "metadata-info", |
| 984 | params); |
| 985 | if (!results) { |
| 986 | ret = -1; |
| 987 | BT_LOGE_STR("Failed to query for metadata info."); |
| 988 | fprintf(stderr, "%s%sFailed to request metadata info%s\n", |
| 989 | bt_common_color_bold(), |
| 990 | bt_common_color_fg_red(), |
| 991 | bt_common_color_reset()); |
| 992 | goto end; |
| 993 | } |
| 994 | |
| 995 | metadata_text_value = bt_value_map_get(results, "text"); |
| 996 | if (!metadata_text_value) { |
| 997 | BT_LOGE_STR("Cannot find `text` string value in the resulting metadata info object."); |
| 998 | ret = -1; |
| 999 | goto end; |
| 1000 | } |
| 1001 | |
| 1002 | ret = bt_value_string_get(metadata_text_value, &metadata_text); |
| 1003 | assert(ret == 0); |
| 1004 | printf("%s\n", metadata_text); |
| 1005 | |
| 1006 | end: |
| 1007 | bt_put(results); |
| 1008 | bt_put(params); |
| 1009 | bt_put(metadata_text_value); |
| 1010 | bt_put(comp_cls); |
| 1011 | return 0; |
| 1012 | } |
| 1013 | |
| 1014 | struct cmd_run_ctx { |
| 1015 | /* Owned by this */ |
| 1016 | GHashTable *components; |
| 1017 | |
| 1018 | /* Owned by this */ |
| 1019 | struct bt_graph *graph; |
| 1020 | |
| 1021 | /* Weak */ |
| 1022 | struct bt_config *cfg; |
| 1023 | |
| 1024 | bool connect_ports; |
| 1025 | }; |
| 1026 | |
| 1027 | static |
| 1028 | int cmd_run_ctx_connect_upstream_port_to_downstream_component( |
| 1029 | struct cmd_run_ctx *ctx, struct bt_component *upstream_comp, |
| 1030 | struct bt_port *upstream_port, |
| 1031 | struct bt_config_connection *cfg_conn) |
| 1032 | { |
| 1033 | int ret = 0; |
| 1034 | GQuark downstreamp_comp_name_quark; |
| 1035 | struct bt_component *downstream_comp; |
| 1036 | int64_t downstream_port_count; |
| 1037 | uint64_t i; |
| 1038 | int64_t (*port_count_fn)(struct bt_component *); |
| 1039 | struct bt_port *(*port_by_index_fn)(struct bt_component *, uint64_t); |
| 1040 | void *conn = NULL; |
| 1041 | |
| 1042 | BT_LOGI("Connecting upstream port to the next available downstream port: " |
| 1043 | "upstream-port-addr=%p, upstream-port-name=\"%s\", " |
| 1044 | "downstream-comp-name=\"%s\", conn-arg=\"%s\"", |
| 1045 | upstream_port, bt_port_get_name(upstream_port), |
| 1046 | cfg_conn->downstream_comp_name->str, |
| 1047 | cfg_conn->arg->str); |
| 1048 | downstreamp_comp_name_quark = g_quark_from_string( |
| 1049 | cfg_conn->downstream_comp_name->str); |
| 1050 | assert(downstreamp_comp_name_quark > 0); |
| 1051 | downstream_comp = g_hash_table_lookup(ctx->components, |
| 1052 | (gpointer) (long) downstreamp_comp_name_quark); |
| 1053 | if (!downstream_comp) { |
| 1054 | BT_LOGE("Cannot find downstream component: comp-name=\"%s\", " |
| 1055 | "conn-arg=\"%s\"", cfg_conn->downstream_comp_name->str, |
| 1056 | cfg_conn->arg->str); |
| 1057 | fprintf(stderr, "Cannot create connection: cannot find downstream component: %s\n", |
| 1058 | cfg_conn->arg->str); |
| 1059 | goto error; |
| 1060 | } |
| 1061 | |
| 1062 | if (bt_component_is_filter(downstream_comp)) { |
| 1063 | port_count_fn = bt_component_filter_get_input_port_count; |
| 1064 | port_by_index_fn = bt_component_filter_get_input_port_by_index; |
| 1065 | } else if (bt_component_is_sink(downstream_comp)) { |
| 1066 | port_count_fn = bt_component_sink_get_input_port_count; |
| 1067 | port_by_index_fn = bt_component_sink_get_input_port_by_index; |
| 1068 | } else { |
| 1069 | /* |
| 1070 | * Should never happen because the connections are |
| 1071 | * validated before we get here. |
| 1072 | */ |
| 1073 | BT_LOGF("Invalid connection: downstream component is a source: " |
| 1074 | "conn-arg=\"%s\"", cfg_conn->arg->str); |
| 1075 | assert(false); |
| 1076 | } |
| 1077 | |
| 1078 | downstream_port_count = port_count_fn(downstream_comp); |
| 1079 | assert(downstream_port_count >= 0); |
| 1080 | |
| 1081 | for (i = 0; i < downstream_port_count; i++) { |
| 1082 | struct bt_port *downstream_port = |
| 1083 | port_by_index_fn(downstream_comp, i); |
| 1084 | const char *downstream_port_name; |
| 1085 | |
| 1086 | assert(downstream_port); |
| 1087 | |
| 1088 | /* Skip port if it's already connected */ |
| 1089 | if (bt_port_is_connected(downstream_port)) { |
| 1090 | bt_put(downstream_port); |
| 1091 | BT_LOGD("Skipping downstream port: already connected: " |
| 1092 | "port-addr=%p, port-name=\"%s\"", |
| 1093 | downstream_port, |
| 1094 | bt_port_get_name(downstream_port)); |
| 1095 | continue; |
| 1096 | } |
| 1097 | |
| 1098 | downstream_port_name = bt_port_get_name(downstream_port); |
| 1099 | assert(downstream_port_name); |
| 1100 | |
| 1101 | if (bt_common_star_glob_match( |
| 1102 | cfg_conn->downstream_port_glob->str, -1ULL, |
| 1103 | downstream_port_name, -1ULL)) { |
| 1104 | /* We have a winner! */ |
| 1105 | conn = bt_graph_connect_ports(ctx->graph, |
| 1106 | upstream_port, downstream_port); |
| 1107 | bt_put(downstream_port); |
| 1108 | if (!conn) { |
| 1109 | BT_LOGE("Cannot create connection: graph refuses to connect ports: " |
| 1110 | "upstream-comp-addr=%p, upstream-comp-name=\"%s\", " |
| 1111 | "upstream-port-addr=%p, upstream-port-name=\"%s\", " |
| 1112 | "downstream-comp-addr=%p, downstream-comp-name=\"%s\", " |
| 1113 | "downstream-port-addr=%p, downstream-port-name=\"%s\", " |
| 1114 | "conn-arg=\"%s\"", |
| 1115 | upstream_comp, bt_component_get_name(upstream_comp), |
| 1116 | upstream_port, bt_port_get_name(upstream_port), |
| 1117 | downstream_comp, cfg_conn->downstream_comp_name->str, |
| 1118 | downstream_port, downstream_port_name, |
| 1119 | cfg_conn->arg->str); |
| 1120 | fprintf(stderr, |
| 1121 | "Cannot create connection: graph refuses to connect ports (`%s` to `%s`): %s\n", |
| 1122 | bt_port_get_name(upstream_port), |
| 1123 | downstream_port_name, |
| 1124 | cfg_conn->arg->str); |
| 1125 | goto error; |
| 1126 | } |
| 1127 | |
| 1128 | BT_LOGI("Connected component ports: " |
| 1129 | "upstream-comp-addr=%p, upstream-comp-name=\"%s\", " |
| 1130 | "upstream-port-addr=%p, upstream-port-name=\"%s\", " |
| 1131 | "downstream-comp-addr=%p, downstream-comp-name=\"%s\", " |
| 1132 | "downstream-port-addr=%p, downstream-port-name=\"%s\", " |
| 1133 | "conn-arg=\"%s\"", |
| 1134 | upstream_comp, bt_component_get_name(upstream_comp), |
| 1135 | upstream_port, bt_port_get_name(upstream_port), |
| 1136 | downstream_comp, cfg_conn->downstream_comp_name->str, |
| 1137 | downstream_port, downstream_port_name, |
| 1138 | cfg_conn->arg->str); |
| 1139 | |
| 1140 | goto end; |
| 1141 | } |
| 1142 | |
| 1143 | bt_put(downstream_port); |
| 1144 | } |
| 1145 | |
| 1146 | if (!conn) { |
| 1147 | BT_LOGE("Cannot create connection: cannot find a matching downstream port for upstream port: " |
| 1148 | "upstream-port-addr=%p, upstream-port-name=\"%s\", " |
| 1149 | "downstream-comp-name=\"%s\", conn-arg=\"%s\"", |
| 1150 | upstream_port, bt_port_get_name(upstream_port), |
| 1151 | cfg_conn->downstream_comp_name->str, |
| 1152 | cfg_conn->arg->str); |
| 1153 | fprintf(stderr, |
| 1154 | "Cannot create connection: cannot find a matching downstream port for upstream port `%s`: %s\n", |
| 1155 | bt_port_get_name(upstream_port), cfg_conn->arg->str); |
| 1156 | goto error; |
| 1157 | } |
| 1158 | |
| 1159 | goto end; |
| 1160 | |
| 1161 | error: |
| 1162 | ret = -1; |
| 1163 | |
| 1164 | end: |
| 1165 | bt_put(conn); |
| 1166 | return ret; |
| 1167 | } |
| 1168 | |
| 1169 | static |
| 1170 | int cmd_run_ctx_connect_upstream_port(struct cmd_run_ctx *ctx, |
| 1171 | struct bt_port *upstream_port) |
| 1172 | { |
| 1173 | int ret = 0; |
| 1174 | const char *upstream_port_name; |
| 1175 | const char *upstream_comp_name; |
| 1176 | struct bt_component *upstream_comp = NULL; |
| 1177 | size_t i; |
| 1178 | |
| 1179 | assert(ctx); |
| 1180 | assert(upstream_port); |
| 1181 | upstream_port_name = bt_port_get_name(upstream_port); |
| 1182 | assert(upstream_port_name); |
| 1183 | upstream_comp = bt_port_get_component(upstream_port); |
| 1184 | if (!upstream_comp) { |
| 1185 | BT_LOGW("Upstream port to connect is not part of a component: " |
| 1186 | "port-addr=%p, port-name=\"%s\"", |
| 1187 | upstream_port, upstream_port_name); |
| 1188 | ret = -1; |
| 1189 | goto end; |
| 1190 | } |
| 1191 | |
| 1192 | upstream_comp_name = bt_component_get_name(upstream_comp); |
| 1193 | assert(upstream_comp_name); |
| 1194 | BT_LOGI("Connecting upstream port: comp-addr=%p, comp-name=\"%s\", " |
| 1195 | "port-addr=%p, port-name=\"%s\"", |
| 1196 | upstream_comp, upstream_comp_name, |
| 1197 | upstream_port, upstream_port_name); |
| 1198 | |
| 1199 | for (i = 0; i < ctx->cfg->cmd_data.run.connections->len; i++) { |
| 1200 | struct bt_config_connection *cfg_conn = |
| 1201 | g_ptr_array_index( |
| 1202 | ctx->cfg->cmd_data.run.connections, i); |
| 1203 | |
| 1204 | if (strcmp(cfg_conn->upstream_comp_name->str, |
| 1205 | upstream_comp_name) == 0) { |
| 1206 | if (bt_common_star_glob_match( |
| 1207 | cfg_conn->upstream_port_glob->str, |
| 1208 | -1ULL, upstream_port_name, -1ULL)) { |
| 1209 | ret = cmd_run_ctx_connect_upstream_port_to_downstream_component( |
| 1210 | ctx, upstream_comp, upstream_port, |
| 1211 | cfg_conn); |
| 1212 | if (ret) { |
| 1213 | BT_LOGE("Cannot connect upstream port: " |
| 1214 | "port-addr=%p, port-name=\"%s\"", |
| 1215 | upstream_port, |
| 1216 | upstream_port_name); |
| 1217 | fprintf(stderr, |
| 1218 | "Cannot connect port `%s` of component `%s` to a downstream port: %s\n", |
| 1219 | upstream_port_name, |
| 1220 | upstream_comp_name, |
| 1221 | cfg_conn->arg->str); |
| 1222 | goto error; |
| 1223 | } |
| 1224 | |
| 1225 | goto end; |
| 1226 | } |
| 1227 | } |
| 1228 | } |
| 1229 | |
| 1230 | BT_LOGE("Cannot connect upstream port: port does not match any connection argument: " |
| 1231 | "port-addr=%p, port-name=\"%s\"", upstream_port, |
| 1232 | upstream_port_name); |
| 1233 | fprintf(stderr, |
| 1234 | "Cannot create connection: upstream port `%s` does not match any connection\n", |
| 1235 | upstream_port_name); |
| 1236 | |
| 1237 | error: |
| 1238 | ret = -1; |
| 1239 | |
| 1240 | end: |
| 1241 | bt_put(upstream_comp); |
| 1242 | return ret; |
| 1243 | } |
| 1244 | |
| 1245 | static |
| 1246 | void graph_port_added_listener(struct bt_port *port, void *data) |
| 1247 | { |
| 1248 | struct bt_component *comp = NULL; |
| 1249 | struct cmd_run_ctx *ctx = data; |
| 1250 | |
| 1251 | BT_LOGI("Port added to a graph's component: port-addr=%p, port-name=\"%s\"", |
| 1252 | port, bt_port_get_name(port)); |
| 1253 | |
| 1254 | if (bt_port_is_connected(port)) { |
| 1255 | BT_LOGW_STR("Port is already connected."); |
| 1256 | goto end; |
| 1257 | } |
| 1258 | |
| 1259 | comp = bt_port_get_component(port); |
| 1260 | if (!comp) { |
| 1261 | BT_LOGW_STR("Port has no component."); |
| 1262 | goto end; |
| 1263 | } |
| 1264 | |
| 1265 | if (!bt_port_is_output(port)) { |
| 1266 | BT_LOGI_STR("Skipping input port."); |
| 1267 | goto end; |
| 1268 | } |
| 1269 | |
| 1270 | if (cmd_run_ctx_connect_upstream_port(ctx, port)) { |
| 1271 | BT_LOGF_STR("Cannot connect upstream port."); |
| 1272 | fprintf(stderr, "Added port could not be connected: aborting\n"); |
| 1273 | abort(); |
| 1274 | } |
| 1275 | |
| 1276 | end: |
| 1277 | bt_put(comp); |
| 1278 | return; |
| 1279 | } |
| 1280 | |
| 1281 | static |
| 1282 | void graph_port_removed_listener(struct bt_component *component, |
| 1283 | struct bt_port *port, void *data) |
| 1284 | { |
| 1285 | BT_LOGI("Port removed from a graph's component: comp-addr=%p, " |
| 1286 | "comp-name=\"%s\", port-addr=%p, port-name=\"%s\"", |
| 1287 | component, bt_component_get_name(component), |
| 1288 | port, bt_port_get_name(port)); |
| 1289 | } |
| 1290 | |
| 1291 | static |
| 1292 | void graph_ports_connected_listener(struct bt_port *upstream_port, |
| 1293 | struct bt_port *downstream_port, void *data) |
| 1294 | { |
| 1295 | BT_LOGI("Graph's component ports connected: " |
| 1296 | "upstream-port-addr=%p, upstream-port-name=\"%s\", " |
| 1297 | "downstream-port-addr=%p, downstream-port-name=\"%s\"", |
| 1298 | upstream_port, bt_port_get_name(upstream_port), |
| 1299 | downstream_port, bt_port_get_name(downstream_port)); |
| 1300 | } |
| 1301 | |
| 1302 | static |
| 1303 | void graph_ports_disconnected_listener( |
| 1304 | struct bt_component *upstream_component, |
| 1305 | struct bt_component *downstream_component, |
| 1306 | struct bt_port *upstream_port, struct bt_port *downstream_port, |
| 1307 | void *data) |
| 1308 | { |
| 1309 | BT_LOGI("Graph's component ports disconnected: " |
| 1310 | "upstream-port-addr=%p, upstream-port-name=\"%s\", " |
| 1311 | "downstream-port-addr=%p, downstream-port-name=\"%s\"", |
| 1312 | upstream_port, bt_port_get_name(upstream_port), |
| 1313 | downstream_port, bt_port_get_name(downstream_port)); |
| 1314 | } |
| 1315 | |
| 1316 | static |
| 1317 | void cmd_run_ctx_destroy(struct cmd_run_ctx *ctx) |
| 1318 | { |
| 1319 | if (!ctx) { |
| 1320 | return; |
| 1321 | } |
| 1322 | |
| 1323 | if (ctx->components) { |
| 1324 | g_hash_table_destroy(ctx->components); |
| 1325 | ctx->components = NULL; |
| 1326 | } |
| 1327 | |
| 1328 | BT_PUT(ctx->graph); |
| 1329 | ctx->cfg = NULL; |
| 1330 | } |
| 1331 | |
| 1332 | static |
| 1333 | int cmd_run_ctx_init(struct cmd_run_ctx *ctx, struct bt_config *cfg) |
| 1334 | { |
| 1335 | int ret = 0; |
| 1336 | |
| 1337 | ctx->cfg = cfg; |
| 1338 | ctx->connect_ports = false; |
| 1339 | ctx->components = g_hash_table_new_full(g_direct_hash, g_direct_equal, |
| 1340 | NULL, bt_put); |
| 1341 | if (!ctx->components) { |
| 1342 | goto error; |
| 1343 | } |
| 1344 | |
| 1345 | ctx->graph = bt_graph_create(); |
| 1346 | if (!ctx->graph) { |
| 1347 | goto error; |
| 1348 | } |
| 1349 | |
| 1350 | ret = bt_graph_add_port_added_listener(ctx->graph, |
| 1351 | graph_port_added_listener, ctx); |
| 1352 | if (ret) { |
| 1353 | goto error; |
| 1354 | } |
| 1355 | |
| 1356 | ret = bt_graph_add_port_removed_listener(ctx->graph, |
| 1357 | graph_port_removed_listener, ctx); |
| 1358 | if (ret) { |
| 1359 | goto error; |
| 1360 | } |
| 1361 | |
| 1362 | ret = bt_graph_add_ports_connected_listener(ctx->graph, |
| 1363 | graph_ports_connected_listener, ctx); |
| 1364 | if (ret) { |
| 1365 | goto error; |
| 1366 | } |
| 1367 | |
| 1368 | ret = bt_graph_add_ports_disconnected_listener(ctx->graph, |
| 1369 | graph_ports_disconnected_listener, ctx); |
| 1370 | if (ret) { |
| 1371 | goto error; |
| 1372 | } |
| 1373 | |
| 1374 | goto end; |
| 1375 | |
| 1376 | error: |
| 1377 | cmd_run_ctx_destroy(ctx); |
| 1378 | ret = -1; |
| 1379 | |
| 1380 | end: |
| 1381 | return ret; |
| 1382 | } |
| 1383 | |
| 1384 | static |
| 1385 | int cmd_run_ctx_create_components_from_config_components( |
| 1386 | struct cmd_run_ctx *ctx, GPtrArray *cfg_components) |
| 1387 | { |
| 1388 | size_t i; |
| 1389 | struct bt_component_class *comp_cls = NULL; |
| 1390 | struct bt_component *comp = NULL; |
| 1391 | int ret = 0; |
| 1392 | |
| 1393 | for (i = 0; i < cfg_components->len; i++) { |
| 1394 | struct bt_config_component *cfg_comp = |
| 1395 | g_ptr_array_index(cfg_components, i); |
| 1396 | GQuark quark; |
| 1397 | |
| 1398 | comp_cls = find_component_class(cfg_comp->plugin_name->str, |
| 1399 | cfg_comp->comp_cls_name->str, cfg_comp->type); |
| 1400 | if (!comp_cls) { |
| 1401 | BT_LOGE("Cannot find component class: plugin-name=\"%s\", " |
| 1402 | "comp-cls-name=\"%s\", comp-cls-type=%d", |
| 1403 | cfg_comp->plugin_name->str, |
| 1404 | cfg_comp->comp_cls_name->str, |
| 1405 | cfg_comp->type); |
| 1406 | fprintf(stderr, "%s%sCannot find component class %s", |
| 1407 | bt_common_color_bold(), |
| 1408 | bt_common_color_fg_red(), |
| 1409 | bt_common_color_reset()); |
| 1410 | print_plugin_comp_cls_opt(stderr, |
| 1411 | cfg_comp->plugin_name->str, |
| 1412 | cfg_comp->comp_cls_name->str, |
| 1413 | cfg_comp->type); |
| 1414 | fprintf(stderr, "\n"); |
| 1415 | goto error; |
| 1416 | } |
| 1417 | |
| 1418 | comp = bt_component_create(comp_cls, |
| 1419 | cfg_comp->instance_name->str, cfg_comp->params); |
| 1420 | if (!comp) { |
| 1421 | BT_LOGE("Cannot create component: plugin-name=\"%s\", " |
| 1422 | "comp-cls-name=\"%s\", comp-cls-type=%d", |
| 1423 | "comp-name=\"%s\"", |
| 1424 | cfg_comp->plugin_name->str, |
| 1425 | cfg_comp->comp_cls_name->str, |
| 1426 | cfg_comp->type, cfg_comp->instance_name->str); |
| 1427 | fprintf(stderr, "%s%sCannot create component `%s`%s\n", |
| 1428 | bt_common_color_bold(), |
| 1429 | bt_common_color_fg_red(), |
| 1430 | cfg_comp->instance_name->str, |
| 1431 | bt_common_color_reset()); |
| 1432 | goto error; |
| 1433 | } |
| 1434 | |
| 1435 | BT_LOGI("Created and inserted component: comp-addr=%p, comp-name=\"%s\"", |
| 1436 | comp, cfg_comp->instance_name->str); |
| 1437 | quark = g_quark_from_string(cfg_comp->instance_name->str); |
| 1438 | assert(quark > 0); |
| 1439 | g_hash_table_insert(ctx->components, |
| 1440 | (gpointer) (long) quark, comp); |
| 1441 | comp = NULL; |
| 1442 | BT_PUT(comp_cls); |
| 1443 | } |
| 1444 | |
| 1445 | goto end; |
| 1446 | |
| 1447 | error: |
| 1448 | ret = -1; |
| 1449 | |
| 1450 | end: |
| 1451 | bt_put(comp); |
| 1452 | bt_put(comp_cls); |
| 1453 | return ret; |
| 1454 | } |
| 1455 | |
| 1456 | static |
| 1457 | int cmd_run_ctx_create_components(struct cmd_run_ctx *ctx) |
| 1458 | { |
| 1459 | int ret = 0; |
| 1460 | |
| 1461 | /* |
| 1462 | * Make sure that, during this phase, our graph's "port added" |
| 1463 | * listener does not connect ports while we are creating the |
| 1464 | * components because we have a special, initial phase for |
| 1465 | * this. |
| 1466 | */ |
| 1467 | ctx->connect_ports = false; |
| 1468 | |
| 1469 | ret = cmd_run_ctx_create_components_from_config_components( |
| 1470 | ctx, ctx->cfg->cmd_data.run.sources); |
| 1471 | if (ret) { |
| 1472 | ret = -1; |
| 1473 | goto end; |
| 1474 | } |
| 1475 | |
| 1476 | ret = cmd_run_ctx_create_components_from_config_components( |
| 1477 | ctx, ctx->cfg->cmd_data.run.filters); |
| 1478 | if (ret) { |
| 1479 | ret = -1; |
| 1480 | goto end; |
| 1481 | } |
| 1482 | |
| 1483 | ret = cmd_run_ctx_create_components_from_config_components( |
| 1484 | ctx, ctx->cfg->cmd_data.run.sinks); |
| 1485 | if (ret) { |
| 1486 | ret = -1; |
| 1487 | goto end; |
| 1488 | } |
| 1489 | |
| 1490 | end: |
| 1491 | return ret; |
| 1492 | } |
| 1493 | |
| 1494 | static |
| 1495 | int cmd_run_ctx_connect_comp_ports(struct cmd_run_ctx *ctx, |
| 1496 | struct bt_component *comp, |
| 1497 | int64_t (*port_count_fn)(struct bt_component *), |
| 1498 | struct bt_port *(*port_by_index_fn)(struct bt_component *, uint64_t)) |
| 1499 | { |
| 1500 | int ret = 0; |
| 1501 | int64_t count; |
| 1502 | uint64_t i; |
| 1503 | |
| 1504 | count = port_count_fn(comp); |
| 1505 | assert(count >= 0); |
| 1506 | |
| 1507 | for (i = 0; i < count; i++) { |
| 1508 | struct bt_port *upstream_port = port_by_index_fn(comp, i); |
| 1509 | |
| 1510 | assert(upstream_port); |
| 1511 | ret = cmd_run_ctx_connect_upstream_port(ctx, upstream_port); |
| 1512 | bt_put(upstream_port); |
| 1513 | if (ret) { |
| 1514 | goto end; |
| 1515 | } |
| 1516 | } |
| 1517 | |
| 1518 | end: |
| 1519 | return ret; |
| 1520 | } |
| 1521 | |
| 1522 | static |
| 1523 | int cmd_run_ctx_connect_ports(struct cmd_run_ctx *ctx) |
| 1524 | { |
| 1525 | int ret = 0; |
| 1526 | GHashTableIter iter; |
| 1527 | gpointer g_name_quark, g_comp; |
| 1528 | |
| 1529 | ctx->connect_ports = true; |
| 1530 | g_hash_table_iter_init(&iter, ctx->components); |
| 1531 | |
| 1532 | while (g_hash_table_iter_next(&iter, &g_name_quark, &g_comp)) { |
| 1533 | if (bt_component_is_source(g_comp)) { |
| 1534 | ret = cmd_run_ctx_connect_comp_ports(ctx, |
| 1535 | g_comp, bt_component_source_get_output_port_count, |
| 1536 | bt_component_source_get_output_port_by_index); |
| 1537 | } else if (bt_component_is_filter(g_comp)) { |
| 1538 | ret = cmd_run_ctx_connect_comp_ports(ctx, |
| 1539 | g_comp, bt_component_filter_get_output_port_count, |
| 1540 | bt_component_filter_get_output_port_by_index); |
| 1541 | } |
| 1542 | |
| 1543 | if (ret) { |
| 1544 | goto end; |
| 1545 | } |
| 1546 | } |
| 1547 | |
| 1548 | end: |
| 1549 | return ret; |
| 1550 | } |
| 1551 | |
| 1552 | static |
| 1553 | int cmd_run(struct bt_config *cfg) |
| 1554 | { |
| 1555 | int ret = 0; |
| 1556 | struct cmd_run_ctx ctx = { 0 }; |
| 1557 | |
| 1558 | ret = load_all_plugins(cfg->plugin_paths); |
| 1559 | if (ret) { |
| 1560 | goto error; |
| 1561 | } |
| 1562 | |
| 1563 | /* Initialize the command's context and the graph object */ |
| 1564 | if (cmd_run_ctx_init(&ctx, cfg)) { |
| 1565 | BT_LOGE_STR("Cannot initialize the command's context."); |
| 1566 | fprintf(stderr, "Cannot initialize the command's context\n"); |
| 1567 | goto error; |
| 1568 | } |
| 1569 | |
| 1570 | /* Create the requested component instances */ |
| 1571 | if (cmd_run_ctx_create_components(&ctx)) { |
| 1572 | BT_LOGE_STR("Cannot create components."); |
| 1573 | fprintf(stderr, "Cannot create components\n"); |
| 1574 | goto error; |
| 1575 | } |
| 1576 | |
| 1577 | /* Connect the initially visible component ports */ |
| 1578 | if (cmd_run_ctx_connect_ports(&ctx)) { |
| 1579 | BT_LOGE_STR("Cannot connect initial component ports."); |
| 1580 | fprintf(stderr, "Cannot connect initial component ports\n"); |
| 1581 | goto error; |
| 1582 | } |
| 1583 | |
| 1584 | BT_LOGI_STR("Running the graph."); |
| 1585 | |
| 1586 | /* Run the graph */ |
| 1587 | while (true) { |
| 1588 | enum bt_graph_status graph_status = bt_graph_run(ctx.graph); |
| 1589 | |
| 1590 | switch (graph_status) { |
| 1591 | case BT_GRAPH_STATUS_OK: |
| 1592 | break; |
| 1593 | case BT_GRAPH_STATUS_AGAIN: |
| 1594 | if (cfg->cmd_data.run.retry_duration_us > 0) { |
| 1595 | BT_LOGV("Got BT_GRAPH_STATUS_AGAIN: sleeping: " |
| 1596 | "time-us=%" PRIu64, |
| 1597 | cfg->cmd_data.run.retry_duration_us); |
| 1598 | |
| 1599 | if (usleep(cfg->cmd_data.run.retry_duration_us)) { |
| 1600 | // TODO: check EINTR and signal handler |
| 1601 | } |
| 1602 | } |
| 1603 | break; |
| 1604 | case BT_COMPONENT_STATUS_END: |
| 1605 | goto end; |
| 1606 | default: |
| 1607 | BT_LOGE_STR("Graph failed to complete successfully"); |
| 1608 | fprintf(stderr, "Graph failed to complete successfully\n"); |
| 1609 | goto error; |
| 1610 | } |
| 1611 | } |
| 1612 | |
| 1613 | goto end; |
| 1614 | |
| 1615 | error: |
| 1616 | if (ret == 0) { |
| 1617 | ret = -1; |
| 1618 | } |
| 1619 | |
| 1620 | end: |
| 1621 | cmd_run_ctx_destroy(&ctx); |
| 1622 | return ret; |
| 1623 | } |
| 1624 | |
| 1625 | static |
| 1626 | void warn_command_name_and_directory_clash(struct bt_config *cfg) |
| 1627 | { |
| 1628 | const char *env_clash; |
| 1629 | |
| 1630 | if (!cfg->command_name) { |
| 1631 | return; |
| 1632 | } |
| 1633 | |
| 1634 | env_clash = getenv(ENV_BABELTRACE_WARN_COMMAND_NAME_DIRECTORY_CLASH); |
| 1635 | if (env_clash && strcmp(env_clash, "0") == 0) { |
| 1636 | return; |
| 1637 | } |
| 1638 | |
| 1639 | if (g_file_test(cfg->command_name, |
| 1640 | G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR)) { |
| 1641 | fprintf(stderr, "\nNOTE: The `%s` command was executed. If you meant to convert a\n", |
| 1642 | cfg->command_name); |
| 1643 | fprintf(stderr, "trace located in the local `%s` directory, please use:\n", |
| 1644 | cfg->command_name); |
| 1645 | fprintf(stderr, "\n"); |
| 1646 | fprintf(stderr, " babeltrace convert %s [OPTIONS]\n", |
| 1647 | cfg->command_name); |
| 1648 | } |
| 1649 | } |
| 1650 | |
| 1651 | static |
| 1652 | void init_log_level(void) |
| 1653 | { |
| 1654 | enum bt_logging_level log_level = BT_LOG_NONE; |
| 1655 | const char *log_level_env = getenv("BABELTRACE_CLI_LOG_LEVEL"); |
| 1656 | |
| 1657 | if (!log_level_env) { |
| 1658 | goto set_level; |
| 1659 | } |
| 1660 | |
| 1661 | if (strcmp(log_level_env, "VERBOSE") == 0) { |
| 1662 | log_level = BT_LOGGING_LEVEL_VERBOSE; |
| 1663 | } else if (strcmp(log_level_env, "DEBUG") == 0) { |
| 1664 | log_level = BT_LOGGING_LEVEL_DEBUG; |
| 1665 | } else if (strcmp(log_level_env, "INFO") == 0) { |
| 1666 | log_level = BT_LOGGING_LEVEL_INFO; |
| 1667 | } else if (strcmp(log_level_env, "WARN") == 0) { |
| 1668 | log_level = BT_LOGGING_LEVEL_WARN; |
| 1669 | } else if (strcmp(log_level_env, "ERROR") == 0) { |
| 1670 | log_level = BT_LOGGING_LEVEL_ERROR; |
| 1671 | } else if (strcmp(log_level_env, "FATAL") == 0) { |
| 1672 | log_level = BT_LOGGING_LEVEL_FATAL; |
| 1673 | } else if (strcmp(log_level_env, "NONE") == 0) { |
| 1674 | log_level = BT_LOGGING_LEVEL_NONE; |
| 1675 | } |
| 1676 | |
| 1677 | set_level: |
| 1678 | bt_cli_log_level = log_level; |
| 1679 | } |
| 1680 | |
| 1681 | int main(int argc, const char **argv) |
| 1682 | { |
| 1683 | int ret; |
| 1684 | int retcode; |
| 1685 | struct bt_config *cfg; |
| 1686 | |
| 1687 | init_log_level(); |
| 1688 | init_static_data(); |
| 1689 | cfg = bt_config_cli_args_create_with_default(argc, argv, &retcode); |
| 1690 | |
| 1691 | if (retcode < 0) { |
| 1692 | /* Quit without errors; typically usage/version */ |
| 1693 | retcode = 0; |
| 1694 | BT_LOGI_STR("Quitting without errors."); |
| 1695 | goto end; |
| 1696 | } |
| 1697 | |
| 1698 | if (retcode > 0) { |
| 1699 | BT_LOGE("Command-line error: retcode=%d", retcode); |
| 1700 | goto end; |
| 1701 | } |
| 1702 | |
| 1703 | if (!cfg) { |
| 1704 | BT_LOGE_STR("Failed to create a valid Babeltrace configuration."); |
| 1705 | fprintf(stderr, "Failed to create Babeltrace configuration\n"); |
| 1706 | retcode = 1; |
| 1707 | goto end; |
| 1708 | } |
| 1709 | |
| 1710 | if (cfg->verbose) { |
| 1711 | bt_cli_log_level = BT_LOGGING_LEVEL_VERBOSE; |
| 1712 | bt_logging_set_global_level(BT_LOGGING_LEVEL_VERBOSE); |
| 1713 | // TODO: for backward compat., set the log level |
| 1714 | // environment variables of the known plugins |
| 1715 | // to VERBOSE |
| 1716 | } else if (cfg->debug) { |
| 1717 | bt_cli_log_level = BT_LOGGING_LEVEL_DEBUG; |
| 1718 | bt_logging_set_global_level(BT_LOGGING_LEVEL_DEBUG); |
| 1719 | // TODO: for backward compat., set the log level |
| 1720 | // environment variables of the known plugins |
| 1721 | // to DEBUG |
| 1722 | } |
| 1723 | |
| 1724 | babeltrace_debug = cfg->debug; |
| 1725 | babeltrace_verbose = cfg->verbose; |
| 1726 | print_cfg(cfg); |
| 1727 | |
| 1728 | if (cfg->command_needs_plugins) { |
| 1729 | ret = load_all_plugins(cfg->plugin_paths); |
| 1730 | if (ret) { |
| 1731 | BT_LOGE("Failed to load plugins: ret=%d", ret); |
| 1732 | retcode = 1; |
| 1733 | goto end; |
| 1734 | } |
| 1735 | } |
| 1736 | |
| 1737 | BT_LOGI("Executing command: cmd=%d, command-name=\"%s\"", |
| 1738 | cfg->command, cfg->command_name); |
| 1739 | |
| 1740 | switch (cfg->command) { |
| 1741 | case BT_CONFIG_COMMAND_RUN: |
| 1742 | ret = cmd_run(cfg); |
| 1743 | break; |
| 1744 | case BT_CONFIG_COMMAND_LIST_PLUGINS: |
| 1745 | ret = cmd_list_plugins(cfg); |
| 1746 | break; |
| 1747 | case BT_CONFIG_COMMAND_HELP: |
| 1748 | ret = cmd_help(cfg); |
| 1749 | break; |
| 1750 | case BT_CONFIG_COMMAND_QUERY: |
| 1751 | ret = cmd_query(cfg); |
| 1752 | break; |
| 1753 | case BT_CONFIG_COMMAND_PRINT_CTF_METADATA: |
| 1754 | ret = cmd_print_ctf_metadata(cfg); |
| 1755 | break; |
| 1756 | case BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS: |
| 1757 | ret = cmd_print_lttng_live_sessions(cfg); |
| 1758 | break; |
| 1759 | default: |
| 1760 | BT_LOGF("Invalid command: cmd=%d", cfg->command); |
| 1761 | assert(false); |
| 1762 | } |
| 1763 | |
| 1764 | warn_command_name_and_directory_clash(cfg); |
| 1765 | retcode = ret ? 1 : 0; |
| 1766 | |
| 1767 | end: |
| 1768 | BT_PUT(cfg); |
| 1769 | fini_static_data(); |
| 1770 | return retcode; |
| 1771 | } |