| 1 | /* |
| 2 | * Babeltrace trace converter - parameter parsing |
| 3 | * |
| 4 | * Copyright 2016 Philippe Proulx <pproulx@efficios.com> |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to deal |
| 8 | * in the Software without restriction, including without limitation the rights |
| 9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 10 | * copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in |
| 14 | * all copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | * SOFTWARE. |
| 23 | */ |
| 24 | |
| 25 | #define BT_LOG_TAG "CLI-CFG-CLI-ARGS" |
| 26 | #include "logging.h" |
| 27 | |
| 28 | #include <errno.h> |
| 29 | #include <stdlib.h> |
| 30 | #include <string.h> |
| 31 | #include <babeltrace/assert-internal.h> |
| 32 | #include <stdio.h> |
| 33 | #include <stdbool.h> |
| 34 | #include <inttypes.h> |
| 35 | #include <babeltrace/babeltrace.h> |
| 36 | #include <babeltrace/common-internal.h> |
| 37 | #include <popt.h> |
| 38 | #include <glib.h> |
| 39 | #include <sys/types.h> |
| 40 | #include "babeltrace-cfg.h" |
| 41 | #include "babeltrace-cfg-cli-args.h" |
| 42 | #include "babeltrace-cfg-cli-args-connect.h" |
| 43 | #include "version.h" |
| 44 | |
| 45 | /* |
| 46 | * Error printf() macro which prepends "Error: " the first time it's |
| 47 | * called. This gives a nicer feel than having a bunch of error prefixes |
| 48 | * (since the following lines usually describe the error and possible |
| 49 | * solutions), or the error prefix just at the end. |
| 50 | */ |
| 51 | #define printf_err(fmt, args...) \ |
| 52 | do { \ |
| 53 | if (is_first_error) { \ |
| 54 | fprintf(stderr, "Command line error: "); \ |
| 55 | is_first_error = false; \ |
| 56 | } \ |
| 57 | fprintf(stderr, fmt, ##args); \ |
| 58 | } while (0) |
| 59 | |
| 60 | static bool is_first_error = true; |
| 61 | |
| 62 | /* INI-style parsing FSM states */ |
| 63 | enum ini_parsing_fsm_state { |
| 64 | /* Expect a map key (identifier) */ |
| 65 | INI_EXPECT_MAP_KEY, |
| 66 | |
| 67 | /* Expect an equal character ('=') */ |
| 68 | INI_EXPECT_EQUAL, |
| 69 | |
| 70 | /* Expect a value */ |
| 71 | INI_EXPECT_VALUE, |
| 72 | |
| 73 | /* Expect a comma character (',') */ |
| 74 | INI_EXPECT_COMMA, |
| 75 | }; |
| 76 | |
| 77 | /* INI-style parsing state variables */ |
| 78 | struct ini_parsing_state { |
| 79 | /* Lexical scanner (owned by this) */ |
| 80 | GScanner *scanner; |
| 81 | |
| 82 | /* Output map value object being filled (owned by this) */ |
| 83 | bt_value *params; |
| 84 | |
| 85 | /* Next expected FSM state */ |
| 86 | enum ini_parsing_fsm_state expecting; |
| 87 | |
| 88 | /* Last decoded map key (owned by this) */ |
| 89 | char *last_map_key; |
| 90 | |
| 91 | /* Complete INI-style string to parse (not owned by this) */ |
| 92 | const char *arg; |
| 93 | |
| 94 | /* Error buffer (not owned by this) */ |
| 95 | GString *ini_error; |
| 96 | }; |
| 97 | |
| 98 | /* Offset option with "is set" boolean */ |
| 99 | struct offset_opt { |
| 100 | int64_t value; |
| 101 | bool is_set; |
| 102 | }; |
| 103 | |
| 104 | /* Legacy "ctf"/"lttng-live" format options */ |
| 105 | struct ctf_legacy_opts { |
| 106 | struct offset_opt offset_s; |
| 107 | struct offset_opt offset_ns; |
| 108 | bool stream_intersection; |
| 109 | }; |
| 110 | |
| 111 | /* Legacy "text" format options */ |
| 112 | struct text_legacy_opts { |
| 113 | /* |
| 114 | * output, dbg_info_dir, dbg_info_target_prefix, names, |
| 115 | * and fields are owned by this. |
| 116 | */ |
| 117 | GString *output; |
| 118 | GString *dbg_info_dir; |
| 119 | GString *dbg_info_target_prefix; |
| 120 | const bt_value *names; |
| 121 | const bt_value *fields; |
| 122 | |
| 123 | /* Flags */ |
| 124 | bool no_delta; |
| 125 | bool clock_cycles; |
| 126 | bool clock_seconds; |
| 127 | bool clock_date; |
| 128 | bool clock_gmt; |
| 129 | bool dbg_info_full_path; |
| 130 | bool verbose; |
| 131 | }; |
| 132 | |
| 133 | /* Legacy input format format */ |
| 134 | enum legacy_input_format { |
| 135 | LEGACY_INPUT_FORMAT_NONE = 0, |
| 136 | LEGACY_INPUT_FORMAT_CTF, |
| 137 | LEGACY_INPUT_FORMAT_LTTNG_LIVE, |
| 138 | }; |
| 139 | |
| 140 | /* Legacy output format format */ |
| 141 | enum legacy_output_format { |
| 142 | LEGACY_OUTPUT_FORMAT_NONE = 0, |
| 143 | LEGACY_OUTPUT_FORMAT_TEXT, |
| 144 | LEGACY_OUTPUT_FORMAT_DUMMY, |
| 145 | }; |
| 146 | |
| 147 | /* |
| 148 | * Prints the "out of memory" error. |
| 149 | */ |
| 150 | static |
| 151 | void print_err_oom(void) |
| 152 | { |
| 153 | printf_err("Out of memory\n"); |
| 154 | } |
| 155 | |
| 156 | /* |
| 157 | * Appends an "expecting token" error to the INI-style parsing state's |
| 158 | * error buffer. |
| 159 | */ |
| 160 | static |
| 161 | void ini_append_error_expecting(struct ini_parsing_state *state, |
| 162 | GScanner *scanner, const char *expecting) |
| 163 | { |
| 164 | size_t i; |
| 165 | size_t pos; |
| 166 | |
| 167 | g_string_append_printf(state->ini_error, "Expecting %s:\n", expecting); |
| 168 | |
| 169 | /* Only print error if there's one line */ |
| 170 | if (strchr(state->arg, '\n') != NULL || strlen(state->arg) == 0) { |
| 171 | return; |
| 172 | } |
| 173 | |
| 174 | g_string_append_printf(state->ini_error, "\n %s\n", state->arg); |
| 175 | pos = g_scanner_cur_position(scanner) + 4; |
| 176 | |
| 177 | if (!g_scanner_eof(scanner)) { |
| 178 | pos--; |
| 179 | } |
| 180 | |
| 181 | for (i = 0; i < pos; ++i) { |
| 182 | g_string_append_printf(state->ini_error, " "); |
| 183 | } |
| 184 | |
| 185 | g_string_append_printf(state->ini_error, "^\n\n"); |
| 186 | } |
| 187 | |
| 188 | /* Parse the next token as a number and return its negation. */ |
| 189 | static |
| 190 | bt_value *ini_parse_neg_number(struct ini_parsing_state *state) |
| 191 | { |
| 192 | bt_value *value = NULL; |
| 193 | GTokenType token_type = g_scanner_get_next_token(state->scanner); |
| 194 | |
| 195 | switch (token_type) { |
| 196 | case G_TOKEN_INT: |
| 197 | { |
| 198 | /* Negative integer */ |
| 199 | uint64_t int_val = state->scanner->value.v_int64; |
| 200 | |
| 201 | if (int_val > (((uint64_t) INT64_MAX) + 1)) { |
| 202 | g_string_append_printf(state->ini_error, |
| 203 | "Integer value -%" PRIu64 " is outside the range of a 64-bit signed integer\n", |
| 204 | int_val); |
| 205 | } else { |
| 206 | value = bt_value_integer_create_init(-((int64_t) int_val)); |
| 207 | } |
| 208 | |
| 209 | break; |
| 210 | } |
| 211 | case G_TOKEN_FLOAT: |
| 212 | /* Negative floating point number */ |
| 213 | value = bt_value_real_create_init(-state->scanner->value.v_float); |
| 214 | break; |
| 215 | default: |
| 216 | ini_append_error_expecting(state, state->scanner, "value"); |
| 217 | break; |
| 218 | } |
| 219 | |
| 220 | return value; |
| 221 | } |
| 222 | |
| 223 | static bt_value *ini_parse_value(struct ini_parsing_state *state); |
| 224 | |
| 225 | /* |
| 226 | * Parse the current and following tokens as an array. Arrays are formatted as |
| 227 | * an opening `[`, a list of comma-separated values and a closing `]`. For |
| 228 | * convenience we support an optional trailing comma, after the last value. |
| 229 | * |
| 230 | * The current token of the parser must be the opening square bracket of the |
| 231 | * array. |
| 232 | */ |
| 233 | static |
| 234 | bt_value *ini_parse_array(struct ini_parsing_state *state) |
| 235 | { |
| 236 | /* The [ character must have already been ingested. */ |
| 237 | BT_ASSERT(g_scanner_cur_token(state->scanner) == G_TOKEN_CHAR); |
| 238 | BT_ASSERT(g_scanner_cur_value(state->scanner).v_char == '['); |
| 239 | |
| 240 | bt_value *array_value; |
| 241 | GTokenType token_type; |
| 242 | |
| 243 | array_value = bt_value_array_create (); |
| 244 | token_type = g_scanner_get_next_token(state->scanner); |
| 245 | |
| 246 | /* While the current token is not a ]... */ |
| 247 | while (!(token_type == G_TOKEN_CHAR && g_scanner_cur_value(state->scanner).v_char == ']')) { |
| 248 | /* Parse the item... */ |
| 249 | bt_value *item_value; |
| 250 | bt_value_status status; |
| 251 | |
| 252 | item_value = ini_parse_value(state); |
| 253 | if (!item_value) { |
| 254 | goto error; |
| 255 | } |
| 256 | |
| 257 | /* ... and add it to the result array. */ |
| 258 | status = bt_value_array_append_element(array_value, item_value); |
| 259 | BT_VALUE_PUT_REF_AND_RESET(item_value); |
| 260 | |
| 261 | if (status != BT_VALUE_STATUS_OK) { |
| 262 | goto error; |
| 263 | } |
| 264 | |
| 265 | /* |
| 266 | * Ingest the token following the value, it should be either a |
| 267 | * comma or closing square brace. |
| 268 | */ |
| 269 | token_type = g_scanner_get_next_token(state->scanner); |
| 270 | |
| 271 | if (token_type == G_TOKEN_CHAR && g_scanner_cur_value(state->scanner).v_char == ',') { |
| 272 | /* |
| 273 | * Ingest the token following the comma. If it happens |
| 274 | * to be a closing square bracket, we'll exit the loop |
| 275 | * and we are done (we allow trailing commas). |
| 276 | * Otherwise, we are ready for the next ini_parse_value call. |
| 277 | */ |
| 278 | token_type = g_scanner_get_next_token(state->scanner); |
| 279 | } else if (token_type != G_TOKEN_CHAR || g_scanner_cur_value(state->scanner).v_char != ']') { |
| 280 | ini_append_error_expecting(state, state->scanner, ", or ]"); |
| 281 | goto error; |
| 282 | } |
| 283 | } |
| 284 | |
| 285 | goto end; |
| 286 | |
| 287 | error: |
| 288 | BT_VALUE_PUT_REF_AND_RESET(array_value); |
| 289 | |
| 290 | end: |
| 291 | return array_value; |
| 292 | } |
| 293 | |
| 294 | /* |
| 295 | * Parse the current token (and the following ones if needed) as a value, return |
| 296 | * it as a bt_value. |
| 297 | */ |
| 298 | static |
| 299 | bt_value *ini_parse_value(struct ini_parsing_state *state) |
| 300 | { |
| 301 | bt_value *value = NULL; |
| 302 | GTokenType token_type = state->scanner->token; |
| 303 | |
| 304 | switch (token_type) { |
| 305 | case G_TOKEN_CHAR: |
| 306 | if (state->scanner->value.v_char == '-') { |
| 307 | /* Negative number */ |
| 308 | value = ini_parse_neg_number(state); |
| 309 | } else if (state->scanner->value.v_char == '[') { |
| 310 | /* Array */ |
| 311 | value = ini_parse_array(state); |
| 312 | } else { |
| 313 | ini_append_error_expecting(state, state->scanner, "value"); |
| 314 | } |
| 315 | break; |
| 316 | case G_TOKEN_INT: |
| 317 | { |
| 318 | /* Positive integer */ |
| 319 | uint64_t int_val = state->scanner->value.v_int64; |
| 320 | |
| 321 | if (int_val > INT64_MAX) { |
| 322 | g_string_append_printf(state->ini_error, |
| 323 | "Integer value %" PRIu64 " is outside the range of a 64-bit signed integer\n", |
| 324 | int_val); |
| 325 | } else { |
| 326 | value = bt_value_integer_create_init((int64_t)int_val); |
| 327 | } |
| 328 | break; |
| 329 | } |
| 330 | case G_TOKEN_FLOAT: |
| 331 | /* Positive floating point number */ |
| 332 | value = bt_value_real_create_init(state->scanner->value.v_float); |
| 333 | break; |
| 334 | case G_TOKEN_STRING: |
| 335 | /* Quoted string */ |
| 336 | value = bt_value_string_create_init(state->scanner->value.v_string); |
| 337 | break; |
| 338 | case G_TOKEN_IDENTIFIER: |
| 339 | { |
| 340 | /* |
| 341 | * Using symbols would be appropriate here, |
| 342 | * but said symbols are allowed as map key, |
| 343 | * so it's easier to consider everything an |
| 344 | * identifier. |
| 345 | * |
| 346 | * If one of the known symbols is not |
| 347 | * recognized here, then fall back to creating |
| 348 | * a string value. |
| 349 | */ |
| 350 | const char *id = state->scanner->value.v_identifier; |
| 351 | |
| 352 | if (!strcmp(id, "null") || !strcmp(id, "NULL") || |
| 353 | !strcmp(id, "nul")) { |
| 354 | value = bt_value_null; |
| 355 | } else if (!strcmp(id, "true") || !strcmp(id, "TRUE") || |
| 356 | !strcmp(id, "yes") || |
| 357 | !strcmp(id, "YES")) { |
| 358 | value = bt_value_bool_create_init(true); |
| 359 | } else if (!strcmp(id, "false") || |
| 360 | !strcmp(id, "FALSE") || |
| 361 | !strcmp(id, "no") || |
| 362 | !strcmp(id, "NO")) { |
| 363 | value = bt_value_bool_create_init(false); |
| 364 | } else { |
| 365 | value = bt_value_string_create_init(id); |
| 366 | } |
| 367 | break; |
| 368 | } |
| 369 | default: |
| 370 | /* Unset value variable will trigger the error */ |
| 371 | ini_append_error_expecting(state, state->scanner, "value"); |
| 372 | break; |
| 373 | } |
| 374 | |
| 375 | return value; |
| 376 | } |
| 377 | |
| 378 | static |
| 379 | int ini_handle_state(struct ini_parsing_state *state) |
| 380 | { |
| 381 | int ret = 0; |
| 382 | GTokenType token_type; |
| 383 | bt_value *value = NULL; |
| 384 | |
| 385 | token_type = g_scanner_get_next_token(state->scanner); |
| 386 | if (token_type == G_TOKEN_EOF) { |
| 387 | if (state->expecting != INI_EXPECT_COMMA) { |
| 388 | switch (state->expecting) { |
| 389 | case INI_EXPECT_EQUAL: |
| 390 | ini_append_error_expecting(state, |
| 391 | state->scanner, "'='"); |
| 392 | break; |
| 393 | case INI_EXPECT_VALUE: |
| 394 | ini_append_error_expecting(state, |
| 395 | state->scanner, "value"); |
| 396 | break; |
| 397 | case INI_EXPECT_MAP_KEY: |
| 398 | ini_append_error_expecting(state, |
| 399 | state->scanner, "unquoted map key"); |
| 400 | break; |
| 401 | default: |
| 402 | break; |
| 403 | } |
| 404 | goto error; |
| 405 | } |
| 406 | |
| 407 | /* We're done! */ |
| 408 | ret = 1; |
| 409 | goto success; |
| 410 | } |
| 411 | |
| 412 | switch (state->expecting) { |
| 413 | case INI_EXPECT_MAP_KEY: |
| 414 | if (token_type != G_TOKEN_IDENTIFIER) { |
| 415 | ini_append_error_expecting(state, state->scanner, |
| 416 | "unquoted map key"); |
| 417 | goto error; |
| 418 | } |
| 419 | |
| 420 | free(state->last_map_key); |
| 421 | state->last_map_key = |
| 422 | strdup(state->scanner->value.v_identifier); |
| 423 | if (!state->last_map_key) { |
| 424 | g_string_append(state->ini_error, |
| 425 | "Out of memory\n"); |
| 426 | goto error; |
| 427 | } |
| 428 | |
| 429 | if (bt_value_map_has_entry(state->params, |
| 430 | state->last_map_key)) { |
| 431 | g_string_append_printf(state->ini_error, |
| 432 | "Duplicate parameter key: `%s`\n", |
| 433 | state->last_map_key); |
| 434 | goto error; |
| 435 | } |
| 436 | |
| 437 | state->expecting = INI_EXPECT_EQUAL; |
| 438 | goto success; |
| 439 | case INI_EXPECT_EQUAL: |
| 440 | if (token_type != G_TOKEN_CHAR) { |
| 441 | ini_append_error_expecting(state, |
| 442 | state->scanner, "'='"); |
| 443 | goto error; |
| 444 | } |
| 445 | |
| 446 | if (state->scanner->value.v_char != '=') { |
| 447 | ini_append_error_expecting(state, |
| 448 | state->scanner, "'='"); |
| 449 | goto error; |
| 450 | } |
| 451 | |
| 452 | state->expecting = INI_EXPECT_VALUE; |
| 453 | goto success; |
| 454 | case INI_EXPECT_VALUE: |
| 455 | { |
| 456 | value = ini_parse_value(state); |
| 457 | if (!value) { |
| 458 | goto error; |
| 459 | } |
| 460 | |
| 461 | state->expecting = INI_EXPECT_COMMA; |
| 462 | goto success; |
| 463 | } |
| 464 | case INI_EXPECT_COMMA: |
| 465 | if (token_type != G_TOKEN_CHAR) { |
| 466 | ini_append_error_expecting(state, |
| 467 | state->scanner, "','"); |
| 468 | goto error; |
| 469 | } |
| 470 | |
| 471 | if (state->scanner->value.v_char != ',') { |
| 472 | ini_append_error_expecting(state, |
| 473 | state->scanner, "','"); |
| 474 | goto error; |
| 475 | } |
| 476 | |
| 477 | state->expecting = INI_EXPECT_MAP_KEY; |
| 478 | goto success; |
| 479 | default: |
| 480 | abort(); |
| 481 | } |
| 482 | |
| 483 | error: |
| 484 | ret = -1; |
| 485 | goto end; |
| 486 | |
| 487 | success: |
| 488 | if (value) { |
| 489 | if (bt_value_map_insert_entry(state->params, |
| 490 | state->last_map_key, value)) { |
| 491 | /* Only override return value on error */ |
| 492 | ret = -1; |
| 493 | } |
| 494 | } |
| 495 | |
| 496 | end: |
| 497 | BT_VALUE_PUT_REF_AND_RESET(value); |
| 498 | return ret; |
| 499 | } |
| 500 | |
| 501 | /* |
| 502 | * Converts an INI-style argument to an equivalent map value object. |
| 503 | * |
| 504 | * Return value is owned by the caller. |
| 505 | */ |
| 506 | static |
| 507 | bt_value *bt_value_from_ini(const char *arg, |
| 508 | GString *ini_error) |
| 509 | { |
| 510 | /* Lexical scanner configuration */ |
| 511 | GScannerConfig scanner_config = { |
| 512 | /* Skip whitespaces */ |
| 513 | .cset_skip_characters = " \t\n", |
| 514 | |
| 515 | /* Identifier syntax is: [a-zA-Z_][a-zA-Z0-9_.:-]* */ |
| 516 | .cset_identifier_first = |
| 517 | G_CSET_a_2_z |
| 518 | "_" |
| 519 | G_CSET_A_2_Z, |
| 520 | .cset_identifier_nth = |
| 521 | G_CSET_a_2_z |
| 522 | "_0123456789-.:" |
| 523 | G_CSET_A_2_Z, |
| 524 | |
| 525 | /* "hello" and "Hello" two different keys */ |
| 526 | .case_sensitive = TRUE, |
| 527 | |
| 528 | /* No comments */ |
| 529 | .cpair_comment_single = NULL, |
| 530 | .skip_comment_multi = TRUE, |
| 531 | .skip_comment_single = TRUE, |
| 532 | .scan_comment_multi = FALSE, |
| 533 | |
| 534 | /* |
| 535 | * Do scan identifiers, including 1-char identifiers, |
| 536 | * but NULL is a normal identifier. |
| 537 | */ |
| 538 | .scan_identifier = TRUE, |
| 539 | .scan_identifier_1char = TRUE, |
| 540 | .scan_identifier_NULL = FALSE, |
| 541 | |
| 542 | /* |
| 543 | * No specific symbols: null and boolean "symbols" are |
| 544 | * scanned as plain identifiers. |
| 545 | */ |
| 546 | .scan_symbols = FALSE, |
| 547 | .symbol_2_token = FALSE, |
| 548 | .scope_0_fallback = FALSE, |
| 549 | |
| 550 | /* |
| 551 | * Scan "0b"-, "0"-, and "0x"-prefixed integers, but not |
| 552 | * integers prefixed with "$". |
| 553 | */ |
| 554 | .scan_binary = TRUE, |
| 555 | .scan_octal = TRUE, |
| 556 | .scan_float = TRUE, |
| 557 | .scan_hex = TRUE, |
| 558 | .scan_hex_dollar = FALSE, |
| 559 | |
| 560 | /* Convert scanned numbers to integer tokens */ |
| 561 | .numbers_2_int = TRUE, |
| 562 | |
| 563 | /* Support both integers and floating-point numbers */ |
| 564 | .int_2_float = FALSE, |
| 565 | |
| 566 | /* Scan integers as 64-bit signed integers */ |
| 567 | .store_int64 = TRUE, |
| 568 | |
| 569 | /* Only scan double-quoted strings */ |
| 570 | .scan_string_sq = FALSE, |
| 571 | .scan_string_dq = TRUE, |
| 572 | |
| 573 | /* Do not converter identifiers to string tokens */ |
| 574 | .identifier_2_string = FALSE, |
| 575 | |
| 576 | /* Scan characters as G_TOKEN_CHAR token */ |
| 577 | .char_2_token = FALSE, |
| 578 | }; |
| 579 | struct ini_parsing_state state = { |
| 580 | .scanner = NULL, |
| 581 | .params = NULL, |
| 582 | .expecting = INI_EXPECT_MAP_KEY, |
| 583 | .arg = arg, |
| 584 | .ini_error = ini_error, |
| 585 | }; |
| 586 | |
| 587 | state.params = bt_value_map_create(); |
| 588 | if (!state.params) { |
| 589 | goto error; |
| 590 | } |
| 591 | |
| 592 | state.scanner = g_scanner_new(&scanner_config); |
| 593 | if (!state.scanner) { |
| 594 | goto error; |
| 595 | } |
| 596 | |
| 597 | /* Let the scan begin */ |
| 598 | g_scanner_input_text(state.scanner, arg, strlen(arg)); |
| 599 | |
| 600 | while (true) { |
| 601 | int ret = ini_handle_state(&state); |
| 602 | |
| 603 | if (ret < 0) { |
| 604 | /* Error */ |
| 605 | goto error; |
| 606 | } else if (ret > 0) { |
| 607 | /* Done */ |
| 608 | break; |
| 609 | } |
| 610 | } |
| 611 | |
| 612 | goto end; |
| 613 | |
| 614 | error: |
| 615 | BT_VALUE_PUT_REF_AND_RESET(state.params); |
| 616 | |
| 617 | end: |
| 618 | if (state.scanner) { |
| 619 | g_scanner_destroy(state.scanner); |
| 620 | } |
| 621 | |
| 622 | free(state.last_map_key); |
| 623 | return state.params; |
| 624 | } |
| 625 | |
| 626 | /* |
| 627 | * Returns the parameters map value object from a command-line |
| 628 | * parameter option's argument. |
| 629 | * |
| 630 | * Return value is owned by the caller. |
| 631 | */ |
| 632 | static |
| 633 | bt_value *bt_value_from_arg(const char *arg) |
| 634 | { |
| 635 | bt_value *params = NULL; |
| 636 | GString *ini_error = NULL; |
| 637 | |
| 638 | ini_error = g_string_new(NULL); |
| 639 | if (!ini_error) { |
| 640 | print_err_oom(); |
| 641 | goto end; |
| 642 | } |
| 643 | |
| 644 | /* Try INI-style parsing */ |
| 645 | params = bt_value_from_ini(arg, ini_error); |
| 646 | if (!params) { |
| 647 | printf_err("%s", ini_error->str); |
| 648 | goto end; |
| 649 | } |
| 650 | |
| 651 | end: |
| 652 | if (ini_error) { |
| 653 | g_string_free(ini_error, TRUE); |
| 654 | } |
| 655 | |
| 656 | return params; |
| 657 | } |
| 658 | |
| 659 | /* |
| 660 | * Returns the plugin name, component class name, component class type, |
| 661 | * and component name from a command-line --component option's argument. |
| 662 | * arg must have the following format: |
| 663 | * |
| 664 | * [NAME:]TYPE.PLUGIN.CLS |
| 665 | * |
| 666 | * where NAME is the optional component name, TYPE is either `source`, |
| 667 | * `filter`, or `sink`, PLUGIN is the plugin name, and CLS is the |
| 668 | * component class name. |
| 669 | * |
| 670 | * On success, both *plugin and *component are not NULL. *plugin |
| 671 | * and *comp_cls are owned by the caller. On success, *name can be NULL |
| 672 | * if no component class name was found, and *comp_cls_type is set. |
| 673 | */ |
| 674 | static |
| 675 | void plugin_comp_cls_names(const char *arg, char **name, char **plugin, |
| 676 | char **comp_cls, bt_component_class_type *comp_cls_type) |
| 677 | { |
| 678 | const char *at = arg; |
| 679 | GString *gs_name = NULL; |
| 680 | GString *gs_comp_cls_type = NULL; |
| 681 | GString *gs_plugin = NULL; |
| 682 | GString *gs_comp_cls = NULL; |
| 683 | size_t end_pos; |
| 684 | |
| 685 | BT_ASSERT(arg); |
| 686 | BT_ASSERT(plugin); |
| 687 | BT_ASSERT(comp_cls); |
| 688 | BT_ASSERT(comp_cls_type); |
| 689 | |
| 690 | if (!bt_common_string_is_printable(arg)) { |
| 691 | printf_err("Argument contains a non-printable character\n"); |
| 692 | goto error; |
| 693 | } |
| 694 | |
| 695 | /* Parse the component name */ |
| 696 | gs_name = bt_common_string_until(at, ".:\\", ":", &end_pos); |
| 697 | if (!gs_name) { |
| 698 | goto error; |
| 699 | } |
| 700 | |
| 701 | if (arg[end_pos] == ':') { |
| 702 | at += end_pos + 1; |
| 703 | } else { |
| 704 | /* No name */ |
| 705 | g_string_assign(gs_name, ""); |
| 706 | } |
| 707 | |
| 708 | /* Parse the component class type */ |
| 709 | gs_comp_cls_type = bt_common_string_until(at, ".:\\", ".", &end_pos); |
| 710 | if (!gs_comp_cls_type || at[end_pos] == '\0') { |
| 711 | printf_err("Missing component class type (`source`, `filter`, or `sink`)\n"); |
| 712 | goto error; |
| 713 | } |
| 714 | |
| 715 | if (strcmp(gs_comp_cls_type->str, "source") == 0 || |
| 716 | strcmp(gs_comp_cls_type->str, "src") == 0) { |
| 717 | *comp_cls_type = BT_COMPONENT_CLASS_TYPE_SOURCE; |
| 718 | } else if (strcmp(gs_comp_cls_type->str, "filter") == 0 || |
| 719 | strcmp(gs_comp_cls_type->str, "flt") == 0) { |
| 720 | *comp_cls_type = BT_COMPONENT_CLASS_TYPE_FILTER; |
| 721 | } else if (strcmp(gs_comp_cls_type->str, "sink") == 0) { |
| 722 | *comp_cls_type = BT_COMPONENT_CLASS_TYPE_SINK; |
| 723 | } else { |
| 724 | printf_err("Unknown component class type: `%s`\n", |
| 725 | gs_comp_cls_type->str); |
| 726 | goto error; |
| 727 | } |
| 728 | |
| 729 | at += end_pos + 1; |
| 730 | |
| 731 | /* Parse the plugin name */ |
| 732 | gs_plugin = bt_common_string_until(at, ".:\\", ".", &end_pos); |
| 733 | if (!gs_plugin || gs_plugin->len == 0 || at[end_pos] == '\0') { |
| 734 | printf_err("Missing plugin or component class name\n"); |
| 735 | goto error; |
| 736 | } |
| 737 | |
| 738 | at += end_pos + 1; |
| 739 | |
| 740 | /* Parse the component class name */ |
| 741 | gs_comp_cls = bt_common_string_until(at, ".:\\", ".", &end_pos); |
| 742 | if (!gs_comp_cls || gs_comp_cls->len == 0) { |
| 743 | printf_err("Missing component class name\n"); |
| 744 | goto error; |
| 745 | } |
| 746 | |
| 747 | if (at[end_pos] != '\0') { |
| 748 | /* Found a non-escaped `.` */ |
| 749 | goto error; |
| 750 | } |
| 751 | |
| 752 | if (name) { |
| 753 | if (gs_name->len == 0) { |
| 754 | *name = NULL; |
| 755 | g_string_free(gs_name, TRUE); |
| 756 | } else { |
| 757 | *name = gs_name->str; |
| 758 | g_string_free(gs_name, FALSE); |
| 759 | } |
| 760 | } else { |
| 761 | g_string_free(gs_name, TRUE); |
| 762 | } |
| 763 | |
| 764 | *plugin = gs_plugin->str; |
| 765 | *comp_cls = gs_comp_cls->str; |
| 766 | g_string_free(gs_plugin, FALSE); |
| 767 | g_string_free(gs_comp_cls, FALSE); |
| 768 | gs_name = NULL; |
| 769 | gs_plugin = NULL; |
| 770 | gs_comp_cls = NULL; |
| 771 | goto end; |
| 772 | |
| 773 | error: |
| 774 | if (name) { |
| 775 | *name = NULL; |
| 776 | } |
| 777 | |
| 778 | *plugin = NULL; |
| 779 | *comp_cls = NULL; |
| 780 | |
| 781 | end: |
| 782 | if (gs_name) { |
| 783 | g_string_free(gs_name, TRUE); |
| 784 | } |
| 785 | |
| 786 | if (gs_plugin) { |
| 787 | g_string_free(gs_plugin, TRUE); |
| 788 | } |
| 789 | |
| 790 | if (gs_comp_cls) { |
| 791 | g_string_free(gs_comp_cls, TRUE); |
| 792 | } |
| 793 | |
| 794 | if (gs_comp_cls_type) { |
| 795 | g_string_free(gs_comp_cls_type, TRUE); |
| 796 | } |
| 797 | |
| 798 | return; |
| 799 | } |
| 800 | |
| 801 | /* |
| 802 | * Prints the Babeltrace version. |
| 803 | */ |
| 804 | static |
| 805 | void print_version(void) |
| 806 | { |
| 807 | if (GIT_VERSION[0] == '\0') { |
| 808 | puts("Babeltrace " VERSION); |
| 809 | } else { |
| 810 | puts("Babeltrace " VERSION " - " GIT_VERSION); |
| 811 | } |
| 812 | } |
| 813 | |
| 814 | /* |
| 815 | * Destroys a component configuration. |
| 816 | */ |
| 817 | static |
| 818 | void bt_config_component_destroy(bt_object *obj) |
| 819 | { |
| 820 | struct bt_config_component *bt_config_component = |
| 821 | container_of(obj, struct bt_config_component, base); |
| 822 | |
| 823 | if (!obj) { |
| 824 | goto end; |
| 825 | } |
| 826 | |
| 827 | if (bt_config_component->plugin_name) { |
| 828 | g_string_free(bt_config_component->plugin_name, TRUE); |
| 829 | } |
| 830 | |
| 831 | if (bt_config_component->comp_cls_name) { |
| 832 | g_string_free(bt_config_component->comp_cls_name, TRUE); |
| 833 | } |
| 834 | |
| 835 | if (bt_config_component->instance_name) { |
| 836 | g_string_free(bt_config_component->instance_name, TRUE); |
| 837 | } |
| 838 | |
| 839 | BT_VALUE_PUT_REF_AND_RESET(bt_config_component->params); |
| 840 | g_free(bt_config_component); |
| 841 | |
| 842 | end: |
| 843 | return; |
| 844 | } |
| 845 | |
| 846 | /* |
| 847 | * Creates a component configuration using the given plugin name and |
| 848 | * component name. `plugin_name` and `comp_cls_name` are copied (belong |
| 849 | * to the return value). |
| 850 | * |
| 851 | * Return value is owned by the caller. |
| 852 | */ |
| 853 | static |
| 854 | struct bt_config_component *bt_config_component_create( |
| 855 | bt_component_class_type type, |
| 856 | const char *plugin_name, const char *comp_cls_name) |
| 857 | { |
| 858 | struct bt_config_component *cfg_component = NULL; |
| 859 | |
| 860 | cfg_component = g_new0(struct bt_config_component, 1); |
| 861 | if (!cfg_component) { |
| 862 | print_err_oom(); |
| 863 | goto error; |
| 864 | } |
| 865 | |
| 866 | bt_object_init_shared(&cfg_component->base, |
| 867 | bt_config_component_destroy); |
| 868 | cfg_component->type = type; |
| 869 | cfg_component->plugin_name = g_string_new(plugin_name); |
| 870 | if (!cfg_component->plugin_name) { |
| 871 | print_err_oom(); |
| 872 | goto error; |
| 873 | } |
| 874 | |
| 875 | cfg_component->comp_cls_name = g_string_new(comp_cls_name); |
| 876 | if (!cfg_component->comp_cls_name) { |
| 877 | print_err_oom(); |
| 878 | goto error; |
| 879 | } |
| 880 | |
| 881 | cfg_component->instance_name = g_string_new(NULL); |
| 882 | if (!cfg_component->instance_name) { |
| 883 | print_err_oom(); |
| 884 | goto error; |
| 885 | } |
| 886 | |
| 887 | /* Start with empty parameters */ |
| 888 | cfg_component->params = bt_value_map_create(); |
| 889 | if (!cfg_component->params) { |
| 890 | print_err_oom(); |
| 891 | goto error; |
| 892 | } |
| 893 | |
| 894 | goto end; |
| 895 | |
| 896 | error: |
| 897 | BT_OBJECT_PUT_REF_AND_RESET(cfg_component); |
| 898 | |
| 899 | end: |
| 900 | return cfg_component; |
| 901 | } |
| 902 | |
| 903 | /* |
| 904 | * Creates a component configuration from a command-line --component |
| 905 | * option's argument. |
| 906 | */ |
| 907 | static |
| 908 | struct bt_config_component *bt_config_component_from_arg(const char *arg) |
| 909 | { |
| 910 | struct bt_config_component *cfg_comp = NULL; |
| 911 | char *name = NULL; |
| 912 | char *plugin_name = NULL; |
| 913 | char *comp_cls_name = NULL; |
| 914 | bt_component_class_type type; |
| 915 | |
| 916 | plugin_comp_cls_names(arg, &name, &plugin_name, &comp_cls_name, &type); |
| 917 | if (!plugin_name || !comp_cls_name) { |
| 918 | goto error; |
| 919 | } |
| 920 | |
| 921 | cfg_comp = bt_config_component_create(type, plugin_name, comp_cls_name); |
| 922 | if (!cfg_comp) { |
| 923 | goto error; |
| 924 | } |
| 925 | |
| 926 | if (name) { |
| 927 | g_string_assign(cfg_comp->instance_name, name); |
| 928 | } |
| 929 | |
| 930 | goto end; |
| 931 | |
| 932 | error: |
| 933 | BT_OBJECT_PUT_REF_AND_RESET(cfg_comp); |
| 934 | |
| 935 | end: |
| 936 | g_free(name); |
| 937 | g_free(plugin_name); |
| 938 | g_free(comp_cls_name); |
| 939 | return cfg_comp; |
| 940 | } |
| 941 | |
| 942 | /* |
| 943 | * Destroys a configuration. |
| 944 | */ |
| 945 | static |
| 946 | void bt_config_destroy(bt_object *obj) |
| 947 | { |
| 948 | struct bt_config *cfg = |
| 949 | container_of(obj, struct bt_config, base); |
| 950 | |
| 951 | if (!obj) { |
| 952 | goto end; |
| 953 | } |
| 954 | |
| 955 | BT_VALUE_PUT_REF_AND_RESET(cfg->plugin_paths); |
| 956 | |
| 957 | switch (cfg->command) { |
| 958 | case BT_CONFIG_COMMAND_RUN: |
| 959 | if (cfg->cmd_data.run.sources) { |
| 960 | g_ptr_array_free(cfg->cmd_data.run.sources, TRUE); |
| 961 | } |
| 962 | |
| 963 | if (cfg->cmd_data.run.filters) { |
| 964 | g_ptr_array_free(cfg->cmd_data.run.filters, TRUE); |
| 965 | } |
| 966 | |
| 967 | if (cfg->cmd_data.run.sinks) { |
| 968 | g_ptr_array_free(cfg->cmd_data.run.sinks, TRUE); |
| 969 | } |
| 970 | |
| 971 | if (cfg->cmd_data.run.connections) { |
| 972 | g_ptr_array_free(cfg->cmd_data.run.connections, |
| 973 | TRUE); |
| 974 | } |
| 975 | break; |
| 976 | case BT_CONFIG_COMMAND_LIST_PLUGINS: |
| 977 | break; |
| 978 | case BT_CONFIG_COMMAND_HELP: |
| 979 | BT_OBJECT_PUT_REF_AND_RESET(cfg->cmd_data.help.cfg_component); |
| 980 | break; |
| 981 | case BT_CONFIG_COMMAND_QUERY: |
| 982 | BT_OBJECT_PUT_REF_AND_RESET(cfg->cmd_data.query.cfg_component); |
| 983 | |
| 984 | if (cfg->cmd_data.query.object) { |
| 985 | g_string_free(cfg->cmd_data.query.object, TRUE); |
| 986 | } |
| 987 | break; |
| 988 | case BT_CONFIG_COMMAND_PRINT_CTF_METADATA: |
| 989 | if (cfg->cmd_data.print_ctf_metadata.path) { |
| 990 | g_string_free(cfg->cmd_data.print_ctf_metadata.path, |
| 991 | TRUE); |
| 992 | g_string_free( |
| 993 | cfg->cmd_data.print_ctf_metadata.output_path, |
| 994 | TRUE); |
| 995 | } |
| 996 | break; |
| 997 | case BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS: |
| 998 | if (cfg->cmd_data.print_lttng_live_sessions.url) { |
| 999 | g_string_free( |
| 1000 | cfg->cmd_data.print_lttng_live_sessions.url, |
| 1001 | TRUE); |
| 1002 | g_string_free( |
| 1003 | cfg->cmd_data.print_lttng_live_sessions.output_path, |
| 1004 | TRUE); |
| 1005 | } |
| 1006 | break; |
| 1007 | default: |
| 1008 | abort(); |
| 1009 | } |
| 1010 | |
| 1011 | g_free(cfg); |
| 1012 | |
| 1013 | end: |
| 1014 | return; |
| 1015 | } |
| 1016 | |
| 1017 | static |
| 1018 | void destroy_glist_of_gstring(GList *list) |
| 1019 | { |
| 1020 | GList *at; |
| 1021 | |
| 1022 | if (!list) { |
| 1023 | return; |
| 1024 | } |
| 1025 | |
| 1026 | for (at = list; at != NULL; at = g_list_next(at)) { |
| 1027 | g_string_free(at->data, TRUE); |
| 1028 | } |
| 1029 | |
| 1030 | g_list_free(list); |
| 1031 | } |
| 1032 | |
| 1033 | /* |
| 1034 | * Creates a simple lexical scanner for parsing comma-delimited names |
| 1035 | * and fields. |
| 1036 | * |
| 1037 | * Return value is owned by the caller. |
| 1038 | */ |
| 1039 | static |
| 1040 | GScanner *create_csv_identifiers_scanner(void) |
| 1041 | { |
| 1042 | GScanner *scanner; |
| 1043 | GScannerConfig scanner_config = { |
| 1044 | .cset_skip_characters = " \t\n", |
| 1045 | .cset_identifier_first = G_CSET_a_2_z G_CSET_A_2_Z "_", |
| 1046 | .cset_identifier_nth = G_CSET_a_2_z G_CSET_A_2_Z ":_-", |
| 1047 | .case_sensitive = TRUE, |
| 1048 | .cpair_comment_single = NULL, |
| 1049 | .skip_comment_multi = TRUE, |
| 1050 | .skip_comment_single = TRUE, |
| 1051 | .scan_comment_multi = FALSE, |
| 1052 | .scan_identifier = TRUE, |
| 1053 | .scan_identifier_1char = TRUE, |
| 1054 | .scan_identifier_NULL = FALSE, |
| 1055 | .scan_symbols = FALSE, |
| 1056 | .symbol_2_token = FALSE, |
| 1057 | .scope_0_fallback = FALSE, |
| 1058 | .scan_binary = FALSE, |
| 1059 | .scan_octal = FALSE, |
| 1060 | .scan_float = FALSE, |
| 1061 | .scan_hex = FALSE, |
| 1062 | .scan_hex_dollar = FALSE, |
| 1063 | .numbers_2_int = FALSE, |
| 1064 | .int_2_float = FALSE, |
| 1065 | .store_int64 = FALSE, |
| 1066 | .scan_string_sq = FALSE, |
| 1067 | .scan_string_dq = FALSE, |
| 1068 | .identifier_2_string = FALSE, |
| 1069 | .char_2_token = TRUE, |
| 1070 | }; |
| 1071 | |
| 1072 | scanner = g_scanner_new(&scanner_config); |
| 1073 | if (!scanner) { |
| 1074 | print_err_oom(); |
| 1075 | } |
| 1076 | |
| 1077 | return scanner; |
| 1078 | } |
| 1079 | |
| 1080 | /* |
| 1081 | * Converts a comma-delimited list of known names (--names option) to |
| 1082 | * an array value object containing those names as string value objects. |
| 1083 | * |
| 1084 | * Return value is owned by the caller. |
| 1085 | */ |
| 1086 | static |
| 1087 | bt_value *names_from_arg(const char *arg) |
| 1088 | { |
| 1089 | GScanner *scanner = NULL; |
| 1090 | bt_value *names = NULL; |
| 1091 | bool found_all = false, found_none = false, found_item = false; |
| 1092 | |
| 1093 | names = bt_value_array_create(); |
| 1094 | if (!names) { |
| 1095 | print_err_oom(); |
| 1096 | goto error; |
| 1097 | } |
| 1098 | |
| 1099 | scanner = create_csv_identifiers_scanner(); |
| 1100 | if (!scanner) { |
| 1101 | goto error; |
| 1102 | } |
| 1103 | |
| 1104 | g_scanner_input_text(scanner, arg, strlen(arg)); |
| 1105 | |
| 1106 | while (true) { |
| 1107 | GTokenType token_type = g_scanner_get_next_token(scanner); |
| 1108 | |
| 1109 | switch (token_type) { |
| 1110 | case G_TOKEN_IDENTIFIER: |
| 1111 | { |
| 1112 | const char *identifier = scanner->value.v_identifier; |
| 1113 | |
| 1114 | if (!strcmp(identifier, "payload") || |
| 1115 | !strcmp(identifier, "args") || |
| 1116 | !strcmp(identifier, "arg")) { |
| 1117 | found_item = true; |
| 1118 | if (bt_value_array_append_string_element(names, |
| 1119 | "payload")) { |
| 1120 | goto error; |
| 1121 | } |
| 1122 | } else if (!strcmp(identifier, "context") || |
| 1123 | !strcmp(identifier, "ctx")) { |
| 1124 | found_item = true; |
| 1125 | if (bt_value_array_append_string_element(names, |
| 1126 | "context")) { |
| 1127 | goto error; |
| 1128 | } |
| 1129 | } else if (!strcmp(identifier, "scope") || |
| 1130 | !strcmp(identifier, "header")) { |
| 1131 | found_item = true; |
| 1132 | if (bt_value_array_append_string_element(names, |
| 1133 | identifier)) { |
| 1134 | goto error; |
| 1135 | } |
| 1136 | } else if (!strcmp(identifier, "all")) { |
| 1137 | found_all = true; |
| 1138 | if (bt_value_array_append_string_element(names, |
| 1139 | identifier)) { |
| 1140 | goto error; |
| 1141 | } |
| 1142 | } else if (!strcmp(identifier, "none")) { |
| 1143 | found_none = true; |
| 1144 | if (bt_value_array_append_string_element(names, |
| 1145 | identifier)) { |
| 1146 | goto error; |
| 1147 | } |
| 1148 | } else { |
| 1149 | printf_err("Unknown name: `%s`\n", |
| 1150 | identifier); |
| 1151 | goto error; |
| 1152 | } |
| 1153 | break; |
| 1154 | } |
| 1155 | case G_TOKEN_COMMA: |
| 1156 | continue; |
| 1157 | case G_TOKEN_EOF: |
| 1158 | goto end; |
| 1159 | default: |
| 1160 | goto error; |
| 1161 | } |
| 1162 | } |
| 1163 | |
| 1164 | end: |
| 1165 | if (found_none && found_all) { |
| 1166 | printf_err("Only either `all` or `none` can be specified in the list given to the --names option, but not both.\n"); |
| 1167 | goto error; |
| 1168 | } |
| 1169 | /* |
| 1170 | * Legacy behavior is to clear the defaults (show none) when at |
| 1171 | * least one item is specified. |
| 1172 | */ |
| 1173 | if (found_item && !found_none && !found_all) { |
| 1174 | if (bt_value_array_append_string_element(names, "none")) { |
| 1175 | goto error; |
| 1176 | } |
| 1177 | } |
| 1178 | if (scanner) { |
| 1179 | g_scanner_destroy(scanner); |
| 1180 | } |
| 1181 | return names; |
| 1182 | |
| 1183 | error: |
| 1184 | BT_VALUE_PUT_REF_AND_RESET(names); |
| 1185 | if (scanner) { |
| 1186 | g_scanner_destroy(scanner); |
| 1187 | } |
| 1188 | return names; |
| 1189 | } |
| 1190 | |
| 1191 | /* |
| 1192 | * Converts a comma-delimited list of known fields (--fields option) to |
| 1193 | * an array value object containing those fields as string |
| 1194 | * value objects. |
| 1195 | * |
| 1196 | * Return value is owned by the caller. |
| 1197 | */ |
| 1198 | static |
| 1199 | bt_value *fields_from_arg(const char *arg) |
| 1200 | { |
| 1201 | GScanner *scanner = NULL; |
| 1202 | bt_value *fields; |
| 1203 | |
| 1204 | fields = bt_value_array_create(); |
| 1205 | if (!fields) { |
| 1206 | print_err_oom(); |
| 1207 | goto error; |
| 1208 | } |
| 1209 | |
| 1210 | scanner = create_csv_identifiers_scanner(); |
| 1211 | if (!scanner) { |
| 1212 | goto error; |
| 1213 | } |
| 1214 | |
| 1215 | g_scanner_input_text(scanner, arg, strlen(arg)); |
| 1216 | |
| 1217 | while (true) { |
| 1218 | GTokenType token_type = g_scanner_get_next_token(scanner); |
| 1219 | |
| 1220 | switch (token_type) { |
| 1221 | case G_TOKEN_IDENTIFIER: |
| 1222 | { |
| 1223 | const char *identifier = scanner->value.v_identifier; |
| 1224 | |
| 1225 | if (!strcmp(identifier, "trace") || |
| 1226 | !strcmp(identifier, "trace:hostname") || |
| 1227 | !strcmp(identifier, "trace:domain") || |
| 1228 | !strcmp(identifier, "trace:procname") || |
| 1229 | !strcmp(identifier, "trace:vpid") || |
| 1230 | !strcmp(identifier, "loglevel") || |
| 1231 | !strcmp(identifier, "emf") || |
| 1232 | !strcmp(identifier, "callsite") || |
| 1233 | !strcmp(identifier, "all")) { |
| 1234 | if (bt_value_array_append_string_element(fields, |
| 1235 | identifier)) { |
| 1236 | goto error; |
| 1237 | } |
| 1238 | } else { |
| 1239 | printf_err("Unknown field: `%s`\n", |
| 1240 | identifier); |
| 1241 | goto error; |
| 1242 | } |
| 1243 | break; |
| 1244 | } |
| 1245 | case G_TOKEN_COMMA: |
| 1246 | continue; |
| 1247 | case G_TOKEN_EOF: |
| 1248 | goto end; |
| 1249 | default: |
| 1250 | goto error; |
| 1251 | } |
| 1252 | } |
| 1253 | |
| 1254 | goto end; |
| 1255 | |
| 1256 | error: |
| 1257 | BT_VALUE_PUT_REF_AND_RESET(fields); |
| 1258 | |
| 1259 | end: |
| 1260 | if (scanner) { |
| 1261 | g_scanner_destroy(scanner); |
| 1262 | } |
| 1263 | return fields; |
| 1264 | } |
| 1265 | |
| 1266 | static |
| 1267 | void append_param_arg(GString *params_arg, const char *key, const char *value) |
| 1268 | { |
| 1269 | BT_ASSERT(params_arg); |
| 1270 | BT_ASSERT(key); |
| 1271 | BT_ASSERT(value); |
| 1272 | |
| 1273 | if (params_arg->len != 0) { |
| 1274 | g_string_append_c(params_arg, ','); |
| 1275 | } |
| 1276 | |
| 1277 | g_string_append(params_arg, key); |
| 1278 | g_string_append_c(params_arg, '='); |
| 1279 | g_string_append(params_arg, value); |
| 1280 | } |
| 1281 | |
| 1282 | /* |
| 1283 | * Inserts the equivalent "prefix-NAME=yes" strings into params_arg |
| 1284 | * where the names are in names_array. |
| 1285 | */ |
| 1286 | static |
| 1287 | int insert_flat_params_from_array(GString *params_arg, |
| 1288 | const bt_value *names_array, const char *prefix) |
| 1289 | { |
| 1290 | int ret = 0; |
| 1291 | int i; |
| 1292 | GString *tmpstr = NULL, *default_value = NULL; |
| 1293 | bool default_set = false, non_default_set = false; |
| 1294 | |
| 1295 | /* |
| 1296 | * names_array may be NULL if no CLI options were specified to |
| 1297 | * trigger its creation. |
| 1298 | */ |
| 1299 | if (!names_array) { |
| 1300 | goto end; |
| 1301 | } |
| 1302 | |
| 1303 | tmpstr = g_string_new(NULL); |
| 1304 | if (!tmpstr) { |
| 1305 | print_err_oom(); |
| 1306 | ret = -1; |
| 1307 | goto end; |
| 1308 | } |
| 1309 | |
| 1310 | default_value = g_string_new(NULL); |
| 1311 | if (!default_value) { |
| 1312 | print_err_oom(); |
| 1313 | ret = -1; |
| 1314 | goto end; |
| 1315 | } |
| 1316 | |
| 1317 | for (i = 0; i < bt_value_array_get_size(names_array); i++) { |
| 1318 | const bt_value *str_obj = |
| 1319 | bt_value_array_borrow_element_by_index_const(names_array, |
| 1320 | i); |
| 1321 | const char *suffix; |
| 1322 | bool is_default = false; |
| 1323 | |
| 1324 | if (!str_obj) { |
| 1325 | printf_err("Unexpected error\n"); |
| 1326 | ret = -1; |
| 1327 | goto end; |
| 1328 | } |
| 1329 | |
| 1330 | suffix = bt_value_string_get(str_obj); |
| 1331 | |
| 1332 | g_string_assign(tmpstr, prefix); |
| 1333 | g_string_append(tmpstr, "-"); |
| 1334 | |
| 1335 | /* Special-case for "all" and "none". */ |
| 1336 | if (!strcmp(suffix, "all")) { |
| 1337 | is_default = true; |
| 1338 | g_string_assign(default_value, "show"); |
| 1339 | } else if (!strcmp(suffix, "none")) { |
| 1340 | is_default = true; |
| 1341 | g_string_assign(default_value, "hide"); |
| 1342 | } |
| 1343 | if (is_default) { |
| 1344 | default_set = true; |
| 1345 | g_string_append(tmpstr, "default"); |
| 1346 | append_param_arg(params_arg, tmpstr->str, |
| 1347 | default_value->str); |
| 1348 | } else { |
| 1349 | non_default_set = true; |
| 1350 | g_string_append(tmpstr, suffix); |
| 1351 | append_param_arg(params_arg, tmpstr->str, "yes"); |
| 1352 | } |
| 1353 | } |
| 1354 | |
| 1355 | /* Implicit field-default=hide if any non-default option is set. */ |
| 1356 | if (non_default_set && !default_set) { |
| 1357 | g_string_assign(tmpstr, prefix); |
| 1358 | g_string_append(tmpstr, "-default"); |
| 1359 | g_string_assign(default_value, "hide"); |
| 1360 | append_param_arg(params_arg, tmpstr->str, default_value->str); |
| 1361 | } |
| 1362 | |
| 1363 | end: |
| 1364 | if (default_value) { |
| 1365 | g_string_free(default_value, TRUE); |
| 1366 | } |
| 1367 | |
| 1368 | if (tmpstr) { |
| 1369 | g_string_free(tmpstr, TRUE); |
| 1370 | } |
| 1371 | |
| 1372 | return ret; |
| 1373 | } |
| 1374 | |
| 1375 | /* popt options */ |
| 1376 | enum { |
| 1377 | OPT_NONE = 0, |
| 1378 | OPT_BASE_PARAMS, |
| 1379 | OPT_BEGIN, |
| 1380 | OPT_CLOCK_CYCLES, |
| 1381 | OPT_CLOCK_DATE, |
| 1382 | OPT_CLOCK_FORCE_CORRELATE, |
| 1383 | OPT_CLOCK_GMT, |
| 1384 | OPT_CLOCK_OFFSET, |
| 1385 | OPT_CLOCK_OFFSET_NS, |
| 1386 | OPT_CLOCK_SECONDS, |
| 1387 | OPT_COLOR, |
| 1388 | OPT_COMPONENT, |
| 1389 | OPT_CONNECT, |
| 1390 | OPT_DEBUG, |
| 1391 | OPT_DEBUG_INFO, |
| 1392 | OPT_DEBUG_INFO_DIR, |
| 1393 | OPT_DEBUG_INFO_FULL_PATH, |
| 1394 | OPT_DEBUG_INFO_TARGET_PREFIX, |
| 1395 | OPT_END, |
| 1396 | OPT_FIELDS, |
| 1397 | OPT_HELP, |
| 1398 | OPT_INPUT_FORMAT, |
| 1399 | OPT_LIST, |
| 1400 | OPT_NAME, |
| 1401 | OPT_NAMES, |
| 1402 | OPT_NO_DELTA, |
| 1403 | OPT_OMIT_HOME_PLUGIN_PATH, |
| 1404 | OPT_OMIT_SYSTEM_PLUGIN_PATH, |
| 1405 | OPT_OUTPUT, |
| 1406 | OPT_OUTPUT_FORMAT, |
| 1407 | OPT_PARAMS, |
| 1408 | OPT_PATH, |
| 1409 | OPT_PLUGIN_PATH, |
| 1410 | OPT_RESET_BASE_PARAMS, |
| 1411 | OPT_RETRY_DURATION, |
| 1412 | OPT_RUN_ARGS, |
| 1413 | OPT_RUN_ARGS_0, |
| 1414 | OPT_STREAM_INTERSECTION, |
| 1415 | OPT_TIMERANGE, |
| 1416 | OPT_URL, |
| 1417 | OPT_VERBOSE, |
| 1418 | }; |
| 1419 | |
| 1420 | enum bt_config_component_dest { |
| 1421 | BT_CONFIG_COMPONENT_DEST_UNKNOWN = -1, |
| 1422 | BT_CONFIG_COMPONENT_DEST_SOURCE, |
| 1423 | BT_CONFIG_COMPONENT_DEST_FILTER, |
| 1424 | BT_CONFIG_COMPONENT_DEST_SINK, |
| 1425 | }; |
| 1426 | |
| 1427 | /* |
| 1428 | * Adds a configuration component to the appropriate configuration |
| 1429 | * array depending on the destination. |
| 1430 | */ |
| 1431 | static |
| 1432 | void add_run_cfg_comp(struct bt_config *cfg, |
| 1433 | struct bt_config_component *cfg_comp, |
| 1434 | enum bt_config_component_dest dest) |
| 1435 | { |
| 1436 | bt_object_get_ref(cfg_comp); |
| 1437 | |
| 1438 | switch (dest) { |
| 1439 | case BT_CONFIG_COMPONENT_DEST_SOURCE: |
| 1440 | g_ptr_array_add(cfg->cmd_data.run.sources, cfg_comp); |
| 1441 | break; |
| 1442 | case BT_CONFIG_COMPONENT_DEST_FILTER: |
| 1443 | g_ptr_array_add(cfg->cmd_data.run.filters, cfg_comp); |
| 1444 | break; |
| 1445 | case BT_CONFIG_COMPONENT_DEST_SINK: |
| 1446 | g_ptr_array_add(cfg->cmd_data.run.sinks, cfg_comp); |
| 1447 | break; |
| 1448 | default: |
| 1449 | abort(); |
| 1450 | } |
| 1451 | } |
| 1452 | |
| 1453 | static |
| 1454 | int add_run_cfg_comp_check_name(struct bt_config *cfg, |
| 1455 | struct bt_config_component *cfg_comp, |
| 1456 | enum bt_config_component_dest dest, |
| 1457 | bt_value *instance_names) |
| 1458 | { |
| 1459 | int ret = 0; |
| 1460 | |
| 1461 | if (cfg_comp->instance_name->len == 0) { |
| 1462 | printf_err("Found an unnamed component\n"); |
| 1463 | ret = -1; |
| 1464 | goto end; |
| 1465 | } |
| 1466 | |
| 1467 | if (bt_value_map_has_entry(instance_names, |
| 1468 | cfg_comp->instance_name->str)) { |
| 1469 | printf_err("Duplicate component instance name:\n %s\n", |
| 1470 | cfg_comp->instance_name->str); |
| 1471 | ret = -1; |
| 1472 | goto end; |
| 1473 | } |
| 1474 | |
| 1475 | if (bt_value_map_insert_entry(instance_names, |
| 1476 | cfg_comp->instance_name->str, bt_value_null)) { |
| 1477 | print_err_oom(); |
| 1478 | ret = -1; |
| 1479 | goto end; |
| 1480 | } |
| 1481 | |
| 1482 | add_run_cfg_comp(cfg, cfg_comp, dest); |
| 1483 | |
| 1484 | end: |
| 1485 | return ret; |
| 1486 | } |
| 1487 | |
| 1488 | static |
| 1489 | int append_env_var_plugin_paths(bt_value *plugin_paths) |
| 1490 | { |
| 1491 | int ret = 0; |
| 1492 | const char *envvar; |
| 1493 | |
| 1494 | if (bt_common_is_setuid_setgid()) { |
| 1495 | BT_LOGI_STR("Skipping non-system plugin paths for setuid/setgid binary."); |
| 1496 | goto end; |
| 1497 | } |
| 1498 | |
| 1499 | envvar = getenv("BABELTRACE_PLUGIN_PATH"); |
| 1500 | if (!envvar) { |
| 1501 | goto end; |
| 1502 | } |
| 1503 | |
| 1504 | ret = bt_config_append_plugin_paths(plugin_paths, envvar); |
| 1505 | |
| 1506 | end: |
| 1507 | if (ret) { |
| 1508 | printf_err("Cannot append plugin paths from BABELTRACE_PLUGIN_PATH\n"); |
| 1509 | } |
| 1510 | |
| 1511 | return ret; |
| 1512 | } |
| 1513 | |
| 1514 | static |
| 1515 | int append_home_and_system_plugin_paths(bt_value *plugin_paths, |
| 1516 | bool omit_system_plugin_path, bool omit_home_plugin_path) |
| 1517 | { |
| 1518 | int ret; |
| 1519 | |
| 1520 | if (!omit_home_plugin_path) { |
| 1521 | if (bt_common_is_setuid_setgid()) { |
| 1522 | BT_LOGI_STR("Skipping non-system plugin paths for setuid/setgid binary."); |
| 1523 | } else { |
| 1524 | char *home_plugin_dir = |
| 1525 | bt_common_get_home_plugin_path(); |
| 1526 | |
| 1527 | if (home_plugin_dir) { |
| 1528 | ret = bt_config_append_plugin_paths( |
| 1529 | plugin_paths, home_plugin_dir); |
| 1530 | free(home_plugin_dir); |
| 1531 | |
| 1532 | if (ret) { |
| 1533 | printf_err("Invalid home plugin path\n"); |
| 1534 | goto error; |
| 1535 | } |
| 1536 | } |
| 1537 | } |
| 1538 | } |
| 1539 | |
| 1540 | if (!omit_system_plugin_path) { |
| 1541 | if (bt_config_append_plugin_paths(plugin_paths, |
| 1542 | bt_common_get_system_plugin_path())) { |
| 1543 | printf_err("Invalid system plugin path\n"); |
| 1544 | goto error; |
| 1545 | } |
| 1546 | } |
| 1547 | return 0; |
| 1548 | error: |
| 1549 | printf_err("Cannot append home and system plugin paths\n"); |
| 1550 | return -1; |
| 1551 | } |
| 1552 | |
| 1553 | static |
| 1554 | int append_home_and_system_plugin_paths_cfg(struct bt_config *cfg) |
| 1555 | { |
| 1556 | return append_home_and_system_plugin_paths(cfg->plugin_paths, |
| 1557 | cfg->omit_system_plugin_path, cfg->omit_home_plugin_path); |
| 1558 | } |
| 1559 | |
| 1560 | static |
| 1561 | struct bt_config *bt_config_base_create(enum bt_config_command command, |
| 1562 | const bt_value *initial_plugin_paths, |
| 1563 | bool needs_plugins) |
| 1564 | { |
| 1565 | struct bt_config *cfg; |
| 1566 | |
| 1567 | /* Create config */ |
| 1568 | cfg = g_new0(struct bt_config, 1); |
| 1569 | if (!cfg) { |
| 1570 | print_err_oom(); |
| 1571 | goto error; |
| 1572 | } |
| 1573 | |
| 1574 | bt_object_init_shared(&cfg->base, bt_config_destroy); |
| 1575 | cfg->command = command; |
| 1576 | cfg->command_needs_plugins = needs_plugins; |
| 1577 | |
| 1578 | if (initial_plugin_paths) { |
| 1579 | bt_value *initial_plugin_paths_copy; |
| 1580 | |
| 1581 | (void) bt_value_copy(initial_plugin_paths, |
| 1582 | &initial_plugin_paths_copy); |
| 1583 | cfg->plugin_paths = initial_plugin_paths_copy; |
| 1584 | } else { |
| 1585 | cfg->plugin_paths = bt_value_array_create(); |
| 1586 | if (!cfg->plugin_paths) { |
| 1587 | print_err_oom(); |
| 1588 | goto error; |
| 1589 | } |
| 1590 | } |
| 1591 | |
| 1592 | goto end; |
| 1593 | |
| 1594 | error: |
| 1595 | BT_OBJECT_PUT_REF_AND_RESET(cfg); |
| 1596 | |
| 1597 | end: |
| 1598 | return cfg; |
| 1599 | } |
| 1600 | |
| 1601 | static |
| 1602 | struct bt_config *bt_config_run_create( |
| 1603 | const bt_value *initial_plugin_paths) |
| 1604 | { |
| 1605 | struct bt_config *cfg; |
| 1606 | |
| 1607 | /* Create config */ |
| 1608 | cfg = bt_config_base_create(BT_CONFIG_COMMAND_RUN, |
| 1609 | initial_plugin_paths, true); |
| 1610 | if (!cfg) { |
| 1611 | goto error; |
| 1612 | } |
| 1613 | |
| 1614 | cfg->cmd_data.run.sources = g_ptr_array_new_with_free_func( |
| 1615 | (GDestroyNotify) bt_object_put_ref); |
| 1616 | if (!cfg->cmd_data.run.sources) { |
| 1617 | print_err_oom(); |
| 1618 | goto error; |
| 1619 | } |
| 1620 | |
| 1621 | cfg->cmd_data.run.filters = g_ptr_array_new_with_free_func( |
| 1622 | (GDestroyNotify) bt_object_put_ref); |
| 1623 | if (!cfg->cmd_data.run.filters) { |
| 1624 | print_err_oom(); |
| 1625 | goto error; |
| 1626 | } |
| 1627 | |
| 1628 | cfg->cmd_data.run.sinks = g_ptr_array_new_with_free_func( |
| 1629 | (GDestroyNotify) bt_object_put_ref); |
| 1630 | if (!cfg->cmd_data.run.sinks) { |
| 1631 | print_err_oom(); |
| 1632 | goto error; |
| 1633 | } |
| 1634 | |
| 1635 | cfg->cmd_data.run.connections = g_ptr_array_new_with_free_func( |
| 1636 | (GDestroyNotify) bt_config_connection_destroy); |
| 1637 | if (!cfg->cmd_data.run.connections) { |
| 1638 | print_err_oom(); |
| 1639 | goto error; |
| 1640 | } |
| 1641 | |
| 1642 | goto end; |
| 1643 | |
| 1644 | error: |
| 1645 | BT_OBJECT_PUT_REF_AND_RESET(cfg); |
| 1646 | |
| 1647 | end: |
| 1648 | return cfg; |
| 1649 | } |
| 1650 | |
| 1651 | static |
| 1652 | struct bt_config *bt_config_list_plugins_create( |
| 1653 | const bt_value *initial_plugin_paths) |
| 1654 | { |
| 1655 | struct bt_config *cfg; |
| 1656 | |
| 1657 | /* Create config */ |
| 1658 | cfg = bt_config_base_create(BT_CONFIG_COMMAND_LIST_PLUGINS, |
| 1659 | initial_plugin_paths, true); |
| 1660 | if (!cfg) { |
| 1661 | goto error; |
| 1662 | } |
| 1663 | |
| 1664 | goto end; |
| 1665 | |
| 1666 | error: |
| 1667 | BT_OBJECT_PUT_REF_AND_RESET(cfg); |
| 1668 | |
| 1669 | end: |
| 1670 | return cfg; |
| 1671 | } |
| 1672 | |
| 1673 | static |
| 1674 | struct bt_config *bt_config_help_create( |
| 1675 | const bt_value *initial_plugin_paths) |
| 1676 | { |
| 1677 | struct bt_config *cfg; |
| 1678 | |
| 1679 | /* Create config */ |
| 1680 | cfg = bt_config_base_create(BT_CONFIG_COMMAND_HELP, |
| 1681 | initial_plugin_paths, true); |
| 1682 | if (!cfg) { |
| 1683 | goto error; |
| 1684 | } |
| 1685 | |
| 1686 | cfg->cmd_data.help.cfg_component = |
| 1687 | bt_config_component_create(-1, NULL, NULL); |
| 1688 | if (!cfg->cmd_data.help.cfg_component) { |
| 1689 | goto error; |
| 1690 | } |
| 1691 | |
| 1692 | goto end; |
| 1693 | |
| 1694 | error: |
| 1695 | BT_OBJECT_PUT_REF_AND_RESET(cfg); |
| 1696 | |
| 1697 | end: |
| 1698 | return cfg; |
| 1699 | } |
| 1700 | |
| 1701 | static |
| 1702 | struct bt_config *bt_config_query_create( |
| 1703 | const bt_value *initial_plugin_paths) |
| 1704 | { |
| 1705 | struct bt_config *cfg; |
| 1706 | |
| 1707 | /* Create config */ |
| 1708 | cfg = bt_config_base_create(BT_CONFIG_COMMAND_QUERY, |
| 1709 | initial_plugin_paths, true); |
| 1710 | if (!cfg) { |
| 1711 | goto error; |
| 1712 | } |
| 1713 | |
| 1714 | cfg->cmd_data.query.object = g_string_new(NULL); |
| 1715 | if (!cfg->cmd_data.query.object) { |
| 1716 | print_err_oom(); |
| 1717 | goto error; |
| 1718 | } |
| 1719 | |
| 1720 | goto end; |
| 1721 | |
| 1722 | error: |
| 1723 | BT_OBJECT_PUT_REF_AND_RESET(cfg); |
| 1724 | |
| 1725 | end: |
| 1726 | return cfg; |
| 1727 | } |
| 1728 | |
| 1729 | static |
| 1730 | struct bt_config *bt_config_print_ctf_metadata_create( |
| 1731 | const bt_value *initial_plugin_paths) |
| 1732 | { |
| 1733 | struct bt_config *cfg; |
| 1734 | |
| 1735 | /* Create config */ |
| 1736 | cfg = bt_config_base_create(BT_CONFIG_COMMAND_PRINT_CTF_METADATA, |
| 1737 | initial_plugin_paths, true); |
| 1738 | if (!cfg) { |
| 1739 | goto error; |
| 1740 | } |
| 1741 | |
| 1742 | cfg->cmd_data.print_ctf_metadata.path = g_string_new(NULL); |
| 1743 | if (!cfg->cmd_data.print_ctf_metadata.path) { |
| 1744 | print_err_oom(); |
| 1745 | goto error; |
| 1746 | } |
| 1747 | |
| 1748 | cfg->cmd_data.print_ctf_metadata.output_path = g_string_new(NULL); |
| 1749 | if (!cfg->cmd_data.print_ctf_metadata.output_path) { |
| 1750 | print_err_oom(); |
| 1751 | goto error; |
| 1752 | } |
| 1753 | |
| 1754 | goto end; |
| 1755 | |
| 1756 | error: |
| 1757 | BT_OBJECT_PUT_REF_AND_RESET(cfg); |
| 1758 | |
| 1759 | end: |
| 1760 | return cfg; |
| 1761 | } |
| 1762 | |
| 1763 | static |
| 1764 | struct bt_config *bt_config_print_lttng_live_sessions_create( |
| 1765 | const bt_value *initial_plugin_paths) |
| 1766 | { |
| 1767 | struct bt_config *cfg; |
| 1768 | |
| 1769 | /* Create config */ |
| 1770 | cfg = bt_config_base_create(BT_CONFIG_COMMAND_PRINT_LTTNG_LIVE_SESSIONS, |
| 1771 | initial_plugin_paths, true); |
| 1772 | if (!cfg) { |
| 1773 | goto error; |
| 1774 | } |
| 1775 | |
| 1776 | cfg->cmd_data.print_lttng_live_sessions.url = g_string_new(NULL); |
| 1777 | if (!cfg->cmd_data.print_lttng_live_sessions.url) { |
| 1778 | print_err_oom(); |
| 1779 | goto error; |
| 1780 | } |
| 1781 | |
| 1782 | cfg->cmd_data.print_lttng_live_sessions.output_path = |
| 1783 | g_string_new(NULL); |
| 1784 | if (!cfg->cmd_data.print_lttng_live_sessions.output_path) { |
| 1785 | print_err_oom(); |
| 1786 | goto error; |
| 1787 | } |
| 1788 | |
| 1789 | goto end; |
| 1790 | |
| 1791 | error: |
| 1792 | BT_OBJECT_PUT_REF_AND_RESET(cfg); |
| 1793 | |
| 1794 | end: |
| 1795 | return cfg; |
| 1796 | } |
| 1797 | |
| 1798 | static |
| 1799 | int bt_config_append_plugin_paths_check_setuid_setgid( |
| 1800 | bt_value *plugin_paths, const char *arg) |
| 1801 | { |
| 1802 | int ret = 0; |
| 1803 | |
| 1804 | if (bt_common_is_setuid_setgid()) { |
| 1805 | BT_LOGI_STR("Skipping non-system plugin paths for setuid/setgid binary."); |
| 1806 | goto end; |
| 1807 | } |
| 1808 | |
| 1809 | if (bt_config_append_plugin_paths(plugin_paths, arg)) { |
| 1810 | printf_err("Invalid --plugin-path option's argument:\n %s\n", |
| 1811 | arg); |
| 1812 | ret = -1; |
| 1813 | goto end; |
| 1814 | } |
| 1815 | |
| 1816 | end: |
| 1817 | return ret; |
| 1818 | } |
| 1819 | |
| 1820 | /* |
| 1821 | * Prints the expected format for a --params option. |
| 1822 | */ |
| 1823 | static |
| 1824 | void print_expected_params_format(FILE *fp) |
| 1825 | { |
| 1826 | fprintf(fp, "Expected format of PARAMS\n"); |
| 1827 | fprintf(fp, "-------------------------\n"); |
| 1828 | fprintf(fp, "\n"); |
| 1829 | fprintf(fp, " PARAM=VALUE[,PARAM=VALUE]...\n"); |
| 1830 | fprintf(fp, "\n"); |
| 1831 | fprintf(fp, "The parameter string is a comma-separated list of PARAM=VALUE assignments,\n"); |
| 1832 | fprintf(fp, "where PARAM is the parameter name (C identifier plus the [:.-] characters),\n"); |
| 1833 | fprintf(fp, "and VALUE can be one of:\n"); |
| 1834 | fprintf(fp, "\n"); |
| 1835 | fprintf(fp, "* `null`, `nul`, `NULL`: null value (no backticks).\n"); |
| 1836 | fprintf(fp, "* `true`, `TRUE`, `yes`, `YES`: true boolean value (no backticks).\n"); |
| 1837 | fprintf(fp, "* `false`, `FALSE`, `no`, `NO`: false boolean value (no backticks).\n"); |
| 1838 | fprintf(fp, "* Binary (`0b` prefix), octal (`0` prefix), decimal, or hexadecimal\n"); |
| 1839 | fprintf(fp, " (`0x` prefix) signed 64-bit integer.\n"); |
| 1840 | fprintf(fp, "* Double precision floating point number (scientific notation is accepted).\n"); |
| 1841 | fprintf(fp, "* Unquoted string with no special characters, and not matching any of\n"); |
| 1842 | fprintf(fp, " the null and boolean value symbols above.\n"); |
| 1843 | fprintf(fp, "* Double-quoted string (accepts escape characters).\n"); |
| 1844 | fprintf(fp, "* Array, formatted as an opening `[`, a list of comma-separated values\n"); |
| 1845 | fprintf(fp, " (as described by the current list) and a closing `]`.\n"); |
| 1846 | fprintf(fp, "\n"); |
| 1847 | fprintf(fp, "You can put whitespaces allowed around individual `=` and `,` symbols.\n"); |
| 1848 | fprintf(fp, "\n"); |
| 1849 | fprintf(fp, "Example:\n"); |
| 1850 | fprintf(fp, "\n"); |
| 1851 | fprintf(fp, " many=null, fresh=yes, condition=false, squirrel=-782329,\n"); |
| 1852 | fprintf(fp, " observe=3.14, simple=beef, needs-quotes=\"some string\",\n"); |
| 1853 | fprintf(fp, " escape.chars-are:allowed=\"this is a \\\" double quote\",\n"); |
| 1854 | fprintf(fp, " things=[1, \"2\", 3]\n"); |
| 1855 | fprintf(fp, "\n"); |
| 1856 | fprintf(fp, "IMPORTANT: Make sure to single-quote the whole argument when you run\n"); |
| 1857 | fprintf(fp, "babeltrace from a shell.\n"); |
| 1858 | } |
| 1859 | |
| 1860 | |
| 1861 | /* |
| 1862 | * Prints the help command usage. |
| 1863 | */ |
| 1864 | static |
| 1865 | void print_help_usage(FILE *fp) |
| 1866 | { |
| 1867 | fprintf(fp, "Usage: babeltrace [GENERAL OPTIONS] help [OPTIONS] PLUGIN\n"); |
| 1868 | fprintf(fp, " babeltrace [GENERAL OPTIONS] help [OPTIONS] TYPE.PLUGIN.CLS\n"); |
| 1869 | fprintf(fp, "\n"); |
| 1870 | fprintf(fp, "Options:\n"); |
| 1871 | fprintf(fp, "\n"); |
| 1872 | fprintf(fp, " --omit-home-plugin-path Omit home plugins from plugin search path\n"); |
| 1873 | fprintf(fp, " (~/.local/lib/babeltrace/plugins)\n"); |
| 1874 | fprintf(fp, " --omit-system-plugin-path Omit system plugins from plugin search path\n"); |
| 1875 | fprintf(fp, " --plugin-path=PATH[:PATH]... Add PATH to the list of paths from which\n"); |
| 1876 | fprintf(fp, " dynamic plugins can be loaded\n"); |
| 1877 | fprintf(fp, " -h, --help Show this help and quit\n"); |
| 1878 | fprintf(fp, "\n"); |
| 1879 | fprintf(fp, "See `babeltrace --help` for the list of general options.\n"); |
| 1880 | fprintf(fp, "\n"); |
| 1881 | fprintf(fp, "Use `babeltrace list-plugins` to show the list of available plugins.\n"); |
| 1882 | } |
| 1883 | |
| 1884 | static |
| 1885 | struct poptOption help_long_options[] = { |
| 1886 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ |
| 1887 | { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL }, |
| 1888 | { "omit-home-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_HOME_PLUGIN_PATH, NULL, NULL }, |
| 1889 | { "omit-system-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_SYSTEM_PLUGIN_PATH, NULL, NULL }, |
| 1890 | { "plugin-path", '\0', POPT_ARG_STRING, NULL, OPT_PLUGIN_PATH, NULL, NULL }, |
| 1891 | { NULL, 0, '\0', NULL, 0, NULL, NULL }, |
| 1892 | }; |
| 1893 | |
| 1894 | /* |
| 1895 | * Creates a Babeltrace config object from the arguments of a help |
| 1896 | * command. |
| 1897 | * |
| 1898 | * *retcode is set to the appropriate exit code to use. |
| 1899 | */ |
| 1900 | static |
| 1901 | struct bt_config *bt_config_help_from_args(int argc, const char *argv[], |
| 1902 | int *retcode, bool force_omit_system_plugin_path, |
| 1903 | bool force_omit_home_plugin_path, |
| 1904 | const bt_value *initial_plugin_paths) |
| 1905 | { |
| 1906 | poptContext pc = NULL; |
| 1907 | char *arg = NULL; |
| 1908 | int opt; |
| 1909 | int ret; |
| 1910 | struct bt_config *cfg = NULL; |
| 1911 | const char *leftover; |
| 1912 | char *plugin_name = NULL, *comp_cls_name = NULL; |
| 1913 | |
| 1914 | *retcode = 0; |
| 1915 | cfg = bt_config_help_create(initial_plugin_paths); |
| 1916 | if (!cfg) { |
| 1917 | goto error; |
| 1918 | } |
| 1919 | |
| 1920 | cfg->omit_system_plugin_path = force_omit_system_plugin_path; |
| 1921 | cfg->omit_home_plugin_path = force_omit_home_plugin_path; |
| 1922 | ret = append_env_var_plugin_paths(cfg->plugin_paths); |
| 1923 | if (ret) { |
| 1924 | goto error; |
| 1925 | } |
| 1926 | |
| 1927 | /* Parse options */ |
| 1928 | pc = poptGetContext(NULL, argc, (const char **) argv, |
| 1929 | help_long_options, 0); |
| 1930 | if (!pc) { |
| 1931 | printf_err("Cannot get popt context\n"); |
| 1932 | goto error; |
| 1933 | } |
| 1934 | |
| 1935 | poptReadDefaultConfig(pc, 0); |
| 1936 | |
| 1937 | while ((opt = poptGetNextOpt(pc)) > 0) { |
| 1938 | arg = poptGetOptArg(pc); |
| 1939 | |
| 1940 | switch (opt) { |
| 1941 | case OPT_PLUGIN_PATH: |
| 1942 | if (bt_config_append_plugin_paths_check_setuid_setgid( |
| 1943 | cfg->plugin_paths, arg)) { |
| 1944 | goto error; |
| 1945 | } |
| 1946 | break; |
| 1947 | case OPT_OMIT_SYSTEM_PLUGIN_PATH: |
| 1948 | cfg->omit_system_plugin_path = true; |
| 1949 | break; |
| 1950 | case OPT_OMIT_HOME_PLUGIN_PATH: |
| 1951 | cfg->omit_home_plugin_path = true; |
| 1952 | break; |
| 1953 | case OPT_HELP: |
| 1954 | print_help_usage(stdout); |
| 1955 | *retcode = -1; |
| 1956 | BT_OBJECT_PUT_REF_AND_RESET(cfg); |
| 1957 | goto end; |
| 1958 | default: |
| 1959 | printf_err("Unknown command-line option specified (option code %d)\n", |
| 1960 | opt); |
| 1961 | goto error; |
| 1962 | } |
| 1963 | |
| 1964 | free(arg); |
| 1965 | arg = NULL; |
| 1966 | } |
| 1967 | |
| 1968 | /* Check for option parsing error */ |
| 1969 | if (opt < -1) { |
| 1970 | printf_err("While parsing command-line options, at option %s: %s\n", |
| 1971 | poptBadOption(pc, 0), poptStrerror(opt)); |
| 1972 | goto error; |
| 1973 | } |
| 1974 | |
| 1975 | leftover = poptGetArg(pc); |
| 1976 | if (leftover) { |
| 1977 | plugin_comp_cls_names(leftover, NULL, |
| 1978 | &plugin_name, &comp_cls_name, |
| 1979 | &cfg->cmd_data.help.cfg_component->type); |
| 1980 | if (plugin_name && comp_cls_name) { |
| 1981 | /* Component class help */ |
| 1982 | g_string_assign( |
| 1983 | cfg->cmd_data.help.cfg_component->plugin_name, |
| 1984 | plugin_name); |
| 1985 | g_string_assign( |
| 1986 | cfg->cmd_data.help.cfg_component->comp_cls_name, |
| 1987 | comp_cls_name); |
| 1988 | } else { |
| 1989 | /* Fall back to plugin help */ |
| 1990 | g_string_assign( |
| 1991 | cfg->cmd_data.help.cfg_component->plugin_name, |
| 1992 | leftover); |
| 1993 | } |
| 1994 | } else { |
| 1995 | print_help_usage(stdout); |
| 1996 | *retcode = -1; |
| 1997 | BT_OBJECT_PUT_REF_AND_RESET(cfg); |
| 1998 | goto end; |
| 1999 | } |
| 2000 | |
| 2001 | if (append_home_and_system_plugin_paths_cfg(cfg)) { |
| 2002 | goto error; |
| 2003 | } |
| 2004 | |
| 2005 | goto end; |
| 2006 | |
| 2007 | error: |
| 2008 | *retcode = 1; |
| 2009 | BT_OBJECT_PUT_REF_AND_RESET(cfg); |
| 2010 | |
| 2011 | end: |
| 2012 | g_free(plugin_name); |
| 2013 | g_free(comp_cls_name); |
| 2014 | |
| 2015 | if (pc) { |
| 2016 | poptFreeContext(pc); |
| 2017 | } |
| 2018 | |
| 2019 | free(arg); |
| 2020 | return cfg; |
| 2021 | } |
| 2022 | |
| 2023 | /* |
| 2024 | * Prints the help command usage. |
| 2025 | */ |
| 2026 | static |
| 2027 | void print_query_usage(FILE *fp) |
| 2028 | { |
| 2029 | fprintf(fp, "Usage: babeltrace [GEN OPTS] query [OPTS] TYPE.PLUGIN.CLS OBJECT\n"); |
| 2030 | fprintf(fp, "\n"); |
| 2031 | fprintf(fp, "Options:\n"); |
| 2032 | fprintf(fp, "\n"); |
| 2033 | fprintf(fp, " --omit-home-plugin-path Omit home plugins from plugin search path\n"); |
| 2034 | fprintf(fp, " (~/.local/lib/babeltrace/plugins)\n"); |
| 2035 | fprintf(fp, " --omit-system-plugin-path Omit system plugins from plugin search path\n"); |
| 2036 | fprintf(fp, " -p, --params=PARAMS Set the query parameters to PARAMS\n"); |
| 2037 | fprintf(fp, " (see the expected format of PARAMS below)\n"); |
| 2038 | fprintf(fp, " --plugin-path=PATH[:PATH]... Add PATH to the list of paths from which\n"); |
| 2039 | fprintf(fp, " dynamic plugins can be loaded\n"); |
| 2040 | fprintf(fp, " -h, --help Show this help and quit\n"); |
| 2041 | fprintf(fp, "\n\n"); |
| 2042 | print_expected_params_format(fp); |
| 2043 | } |
| 2044 | |
| 2045 | static |
| 2046 | struct poptOption query_long_options[] = { |
| 2047 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ |
| 2048 | { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL }, |
| 2049 | { "omit-home-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_HOME_PLUGIN_PATH, NULL, NULL }, |
| 2050 | { "omit-system-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_SYSTEM_PLUGIN_PATH, NULL, NULL }, |
| 2051 | { "params", 'p', POPT_ARG_STRING, NULL, OPT_PARAMS, NULL, NULL }, |
| 2052 | { "plugin-path", '\0', POPT_ARG_STRING, NULL, OPT_PLUGIN_PATH, NULL, NULL }, |
| 2053 | { NULL, 0, '\0', NULL, 0, NULL, NULL }, |
| 2054 | }; |
| 2055 | |
| 2056 | /* |
| 2057 | * Creates a Babeltrace config object from the arguments of a query |
| 2058 | * command. |
| 2059 | * |
| 2060 | * *retcode is set to the appropriate exit code to use. |
| 2061 | */ |
| 2062 | static |
| 2063 | struct bt_config *bt_config_query_from_args(int argc, const char *argv[], |
| 2064 | int *retcode, bool force_omit_system_plugin_path, |
| 2065 | bool force_omit_home_plugin_path, |
| 2066 | const bt_value *initial_plugin_paths) |
| 2067 | { |
| 2068 | poptContext pc = NULL; |
| 2069 | char *arg = NULL; |
| 2070 | int opt; |
| 2071 | int ret; |
| 2072 | struct bt_config *cfg = NULL; |
| 2073 | const char *leftover; |
| 2074 | bt_value *params; |
| 2075 | |
| 2076 | params = bt_value_null; |
| 2077 | bt_value_get_ref(bt_value_null); |
| 2078 | |
| 2079 | *retcode = 0; |
| 2080 | cfg = bt_config_query_create(initial_plugin_paths); |
| 2081 | if (!cfg) { |
| 2082 | goto error; |
| 2083 | } |
| 2084 | |
| 2085 | cfg->omit_system_plugin_path = force_omit_system_plugin_path; |
| 2086 | cfg->omit_home_plugin_path = force_omit_home_plugin_path; |
| 2087 | ret = append_env_var_plugin_paths(cfg->plugin_paths); |
| 2088 | if (ret) { |
| 2089 | goto error; |
| 2090 | } |
| 2091 | |
| 2092 | /* Parse options */ |
| 2093 | pc = poptGetContext(NULL, argc, (const char **) argv, |
| 2094 | query_long_options, 0); |
| 2095 | if (!pc) { |
| 2096 | printf_err("Cannot get popt context\n"); |
| 2097 | goto error; |
| 2098 | } |
| 2099 | |
| 2100 | poptReadDefaultConfig(pc, 0); |
| 2101 | |
| 2102 | while ((opt = poptGetNextOpt(pc)) > 0) { |
| 2103 | arg = poptGetOptArg(pc); |
| 2104 | |
| 2105 | switch (opt) { |
| 2106 | case OPT_PLUGIN_PATH: |
| 2107 | if (bt_config_append_plugin_paths_check_setuid_setgid( |
| 2108 | cfg->plugin_paths, arg)) { |
| 2109 | goto error; |
| 2110 | } |
| 2111 | break; |
| 2112 | case OPT_OMIT_SYSTEM_PLUGIN_PATH: |
| 2113 | cfg->omit_system_plugin_path = true; |
| 2114 | break; |
| 2115 | case OPT_OMIT_HOME_PLUGIN_PATH: |
| 2116 | cfg->omit_home_plugin_path = true; |
| 2117 | break; |
| 2118 | case OPT_PARAMS: |
| 2119 | { |
| 2120 | bt_value_put_ref(params); |
| 2121 | params = bt_value_from_arg(arg); |
| 2122 | if (!params) { |
| 2123 | printf_err("Invalid format for --params option's argument:\n %s\n", |
| 2124 | arg); |
| 2125 | goto error; |
| 2126 | } |
| 2127 | break; |
| 2128 | } |
| 2129 | case OPT_HELP: |
| 2130 | print_query_usage(stdout); |
| 2131 | *retcode = -1; |
| 2132 | BT_OBJECT_PUT_REF_AND_RESET(cfg); |
| 2133 | goto end; |
| 2134 | default: |
| 2135 | printf_err("Unknown command-line option specified (option code %d)\n", |
| 2136 | opt); |
| 2137 | goto error; |
| 2138 | } |
| 2139 | |
| 2140 | free(arg); |
| 2141 | arg = NULL; |
| 2142 | } |
| 2143 | |
| 2144 | /* Check for option parsing error */ |
| 2145 | if (opt < -1) { |
| 2146 | printf_err("While parsing command-line options, at option %s: %s\n", |
| 2147 | poptBadOption(pc, 0), poptStrerror(opt)); |
| 2148 | goto error; |
| 2149 | } |
| 2150 | |
| 2151 | /* |
| 2152 | * We need exactly two leftover arguments which are the |
| 2153 | * mandatory component class specification and query object. |
| 2154 | */ |
| 2155 | leftover = poptGetArg(pc); |
| 2156 | if (leftover) { |
| 2157 | cfg->cmd_data.query.cfg_component = |
| 2158 | bt_config_component_from_arg(leftover); |
| 2159 | if (!cfg->cmd_data.query.cfg_component) { |
| 2160 | printf_err("Invalid format for component class specification:\n %s\n", |
| 2161 | leftover); |
| 2162 | goto error; |
| 2163 | } |
| 2164 | |
| 2165 | BT_ASSERT(params); |
| 2166 | BT_OBJECT_MOVE_REF(cfg->cmd_data.query.cfg_component->params, |
| 2167 | params); |
| 2168 | } else { |
| 2169 | print_query_usage(stdout); |
| 2170 | *retcode = -1; |
| 2171 | BT_OBJECT_PUT_REF_AND_RESET(cfg); |
| 2172 | goto end; |
| 2173 | } |
| 2174 | |
| 2175 | leftover = poptGetArg(pc); |
| 2176 | if (leftover) { |
| 2177 | if (strlen(leftover) == 0) { |
| 2178 | printf_err("Invalid empty object\n"); |
| 2179 | goto error; |
| 2180 | } |
| 2181 | |
| 2182 | g_string_assign(cfg->cmd_data.query.object, leftover); |
| 2183 | } else { |
| 2184 | print_query_usage(stdout); |
| 2185 | *retcode = -1; |
| 2186 | BT_OBJECT_PUT_REF_AND_RESET(cfg); |
| 2187 | goto end; |
| 2188 | } |
| 2189 | |
| 2190 | leftover = poptGetArg(pc); |
| 2191 | if (leftover) { |
| 2192 | printf_err("Unexpected argument: %s\n", leftover); |
| 2193 | goto error; |
| 2194 | } |
| 2195 | |
| 2196 | if (append_home_and_system_plugin_paths_cfg(cfg)) { |
| 2197 | goto error; |
| 2198 | } |
| 2199 | |
| 2200 | goto end; |
| 2201 | |
| 2202 | error: |
| 2203 | *retcode = 1; |
| 2204 | BT_OBJECT_PUT_REF_AND_RESET(cfg); |
| 2205 | |
| 2206 | end: |
| 2207 | if (pc) { |
| 2208 | poptFreeContext(pc); |
| 2209 | } |
| 2210 | |
| 2211 | bt_value_put_ref(params); |
| 2212 | free(arg); |
| 2213 | return cfg; |
| 2214 | } |
| 2215 | |
| 2216 | /* |
| 2217 | * Prints the list-plugins command usage. |
| 2218 | */ |
| 2219 | static |
| 2220 | void print_list_plugins_usage(FILE *fp) |
| 2221 | { |
| 2222 | fprintf(fp, "Usage: babeltrace [GENERAL OPTIONS] list-plugins [OPTIONS]\n"); |
| 2223 | fprintf(fp, "\n"); |
| 2224 | fprintf(fp, "Options:\n"); |
| 2225 | fprintf(fp, "\n"); |
| 2226 | fprintf(fp, " --omit-home-plugin-path Omit home plugins from plugin search path\n"); |
| 2227 | fprintf(fp, " (~/.local/lib/babeltrace/plugins)\n"); |
| 2228 | fprintf(fp, " --omit-system-plugin-path Omit system plugins from plugin search path\n"); |
| 2229 | fprintf(fp, " --plugin-path=PATH[:PATH]... Add PATH to the list of paths from which\n"); |
| 2230 | fprintf(fp, " dynamic plugins can be loaded\n"); |
| 2231 | fprintf(fp, " -h, --help Show this help and quit\n"); |
| 2232 | fprintf(fp, "\n"); |
| 2233 | fprintf(fp, "See `babeltrace --help` for the list of general options.\n"); |
| 2234 | fprintf(fp, "\n"); |
| 2235 | fprintf(fp, "Use `babeltrace help` to get help for a specific plugin or component class.\n"); |
| 2236 | } |
| 2237 | |
| 2238 | static |
| 2239 | struct poptOption list_plugins_long_options[] = { |
| 2240 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ |
| 2241 | { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL }, |
| 2242 | { "omit-home-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_HOME_PLUGIN_PATH, NULL, NULL }, |
| 2243 | { "omit-system-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_SYSTEM_PLUGIN_PATH, NULL, NULL }, |
| 2244 | { "plugin-path", '\0', POPT_ARG_STRING, NULL, OPT_PLUGIN_PATH, NULL, NULL }, |
| 2245 | { NULL, 0, '\0', NULL, 0, NULL, NULL }, |
| 2246 | }; |
| 2247 | |
| 2248 | /* |
| 2249 | * Creates a Babeltrace config object from the arguments of a |
| 2250 | * list-plugins command. |
| 2251 | * |
| 2252 | * *retcode is set to the appropriate exit code to use. |
| 2253 | */ |
| 2254 | static |
| 2255 | struct bt_config *bt_config_list_plugins_from_args(int argc, const char *argv[], |
| 2256 | int *retcode, bool force_omit_system_plugin_path, |
| 2257 | bool force_omit_home_plugin_path, |
| 2258 | const bt_value *initial_plugin_paths) |
| 2259 | { |
| 2260 | poptContext pc = NULL; |
| 2261 | char *arg = NULL; |
| 2262 | int opt; |
| 2263 | int ret; |
| 2264 | struct bt_config *cfg = NULL; |
| 2265 | const char *leftover; |
| 2266 | |
| 2267 | *retcode = 0; |
| 2268 | cfg = bt_config_list_plugins_create(initial_plugin_paths); |
| 2269 | if (!cfg) { |
| 2270 | goto error; |
| 2271 | } |
| 2272 | |
| 2273 | cfg->omit_system_plugin_path = force_omit_system_plugin_path; |
| 2274 | cfg->omit_home_plugin_path = force_omit_home_plugin_path; |
| 2275 | ret = append_env_var_plugin_paths(cfg->plugin_paths); |
| 2276 | if (ret) { |
| 2277 | goto error; |
| 2278 | } |
| 2279 | |
| 2280 | /* Parse options */ |
| 2281 | pc = poptGetContext(NULL, argc, (const char **) argv, |
| 2282 | list_plugins_long_options, 0); |
| 2283 | if (!pc) { |
| 2284 | printf_err("Cannot get popt context\n"); |
| 2285 | goto error; |
| 2286 | } |
| 2287 | |
| 2288 | poptReadDefaultConfig(pc, 0); |
| 2289 | |
| 2290 | while ((opt = poptGetNextOpt(pc)) > 0) { |
| 2291 | arg = poptGetOptArg(pc); |
| 2292 | |
| 2293 | switch (opt) { |
| 2294 | case OPT_PLUGIN_PATH: |
| 2295 | if (bt_config_append_plugin_paths_check_setuid_setgid( |
| 2296 | cfg->plugin_paths, arg)) { |
| 2297 | goto error; |
| 2298 | } |
| 2299 | break; |
| 2300 | case OPT_OMIT_SYSTEM_PLUGIN_PATH: |
| 2301 | cfg->omit_system_plugin_path = true; |
| 2302 | break; |
| 2303 | case OPT_OMIT_HOME_PLUGIN_PATH: |
| 2304 | cfg->omit_home_plugin_path = true; |
| 2305 | break; |
| 2306 | case OPT_HELP: |
| 2307 | print_list_plugins_usage(stdout); |
| 2308 | *retcode = -1; |
| 2309 | BT_OBJECT_PUT_REF_AND_RESET(cfg); |
| 2310 | goto end; |
| 2311 | default: |
| 2312 | printf_err("Unknown command-line option specified (option code %d)\n", |
| 2313 | opt); |
| 2314 | goto error; |
| 2315 | } |
| 2316 | |
| 2317 | free(arg); |
| 2318 | arg = NULL; |
| 2319 | } |
| 2320 | |
| 2321 | /* Check for option parsing error */ |
| 2322 | if (opt < -1) { |
| 2323 | printf_err("While parsing command-line options, at option %s: %s\n", |
| 2324 | poptBadOption(pc, 0), poptStrerror(opt)); |
| 2325 | goto error; |
| 2326 | } |
| 2327 | |
| 2328 | leftover = poptGetArg(pc); |
| 2329 | if (leftover) { |
| 2330 | printf_err("Unexpected argument: %s\n", leftover); |
| 2331 | goto error; |
| 2332 | } |
| 2333 | |
| 2334 | if (append_home_and_system_plugin_paths_cfg(cfg)) { |
| 2335 | goto error; |
| 2336 | } |
| 2337 | |
| 2338 | goto end; |
| 2339 | |
| 2340 | error: |
| 2341 | *retcode = 1; |
| 2342 | BT_OBJECT_PUT_REF_AND_RESET(cfg); |
| 2343 | |
| 2344 | end: |
| 2345 | if (pc) { |
| 2346 | poptFreeContext(pc); |
| 2347 | } |
| 2348 | |
| 2349 | free(arg); |
| 2350 | return cfg; |
| 2351 | } |
| 2352 | |
| 2353 | /* |
| 2354 | * Prints the run command usage. |
| 2355 | */ |
| 2356 | static |
| 2357 | void print_run_usage(FILE *fp) |
| 2358 | { |
| 2359 | fprintf(fp, "Usage: babeltrace [GENERAL OPTIONS] run [OPTIONS]\n"); |
| 2360 | fprintf(fp, "\n"); |
| 2361 | fprintf(fp, "Options:\n"); |
| 2362 | fprintf(fp, "\n"); |
| 2363 | fprintf(fp, " -b, --base-params=PARAMS Set PARAMS as the current base parameters\n"); |
| 2364 | fprintf(fp, " for all the following components until\n"); |
| 2365 | fprintf(fp, " --reset-base-params is encountered\n"); |
| 2366 | fprintf(fp, " (see the expected format of PARAMS below)\n"); |
| 2367 | fprintf(fp, " -c, --component=[NAME:]TYPE.PLUGIN.CLS\n"); |
| 2368 | fprintf(fp, " Instantiate the component class CLS of type\n"); |
| 2369 | fprintf(fp, " TYPE (`source`, `filter`, or `sink`) found\n"); |
| 2370 | fprintf(fp, " in the plugin PLUGIN, add it to the graph,\n"); |
| 2371 | fprintf(fp, " and optionally name it NAME (you can also\n"); |
| 2372 | fprintf(fp, " specify the name with --name)\n"); |
| 2373 | fprintf(fp, " -x, --connect=CONNECTION Connect two created components (see the\n"); |
| 2374 | fprintf(fp, " expected format of CONNECTION below)\n"); |
| 2375 | fprintf(fp, " -n, --name=NAME Set the name of the current component\n"); |
| 2376 | fprintf(fp, " to NAME (must be unique amongst all the\n"); |
| 2377 | fprintf(fp, " names of the created components)\n"); |
| 2378 | fprintf(fp, " --omit-home-plugin-path Omit home plugins from plugin search path\n"); |
| 2379 | fprintf(fp, " (~/.local/lib/babeltrace/plugins)\n"); |
| 2380 | fprintf(fp, " --omit-system-plugin-path Omit system plugins from plugin search path\n"); |
| 2381 | fprintf(fp, " -p, --params=PARAMS Add initialization parameters PARAMS to the\n"); |
| 2382 | fprintf(fp, " current component (see the expected format\n"); |
| 2383 | fprintf(fp, " of PARAMS below)\n"); |
| 2384 | fprintf(fp, " --plugin-path=PATH[:PATH]... Add PATH to the list of paths from which\n"); |
| 2385 | fprintf(fp, " dynamic plugins can be loaded\n"); |
| 2386 | fprintf(fp, " -r, --reset-base-params Reset the current base parameters to an\n"); |
| 2387 | fprintf(fp, " empty map\n"); |
| 2388 | fprintf(fp, " --retry-duration=DUR When babeltrace(1) needs to retry to run\n"); |
| 2389 | fprintf(fp, " the graph later, retry in DUR µs\n"); |
| 2390 | fprintf(fp, " (default: 100000)\n"); |
| 2391 | fprintf(fp, " -h, --help Show this help and quit\n"); |
| 2392 | fprintf(fp, "\n"); |
| 2393 | fprintf(fp, "See `babeltrace --help` for the list of general options.\n"); |
| 2394 | fprintf(fp, "\n\n"); |
| 2395 | fprintf(fp, "Expected format of CONNECTION\n"); |
| 2396 | fprintf(fp, "-----------------------------\n"); |
| 2397 | fprintf(fp, "\n"); |
| 2398 | fprintf(fp, " UPSTREAM[.UPSTREAM-PORT]:DOWNSTREAM[.DOWNSTREAM-PORT]\n"); |
| 2399 | fprintf(fp, "\n"); |
| 2400 | fprintf(fp, "UPSTREAM and DOWNSTREAM are names of the upstream and downstream\n"); |
| 2401 | fprintf(fp, "components to connect together. You must escape the following characters\n\n"); |
| 2402 | fprintf(fp, "with `\\`: `\\`, `.`, and `:`. You can set the name of the current\n"); |
| 2403 | fprintf(fp, "component with the --name option.\n"); |
| 2404 | fprintf(fp, "\n"); |
| 2405 | fprintf(fp, "UPSTREAM-PORT and DOWNSTREAM-PORT are optional globbing patterns to\n"); |
| 2406 | fprintf(fp, "identify the upstream and downstream ports to use for the connection.\n"); |
| 2407 | fprintf(fp, "When the port is not specified, `*` is used.\n"); |
| 2408 | fprintf(fp, "\n"); |
| 2409 | fprintf(fp, "When a component named UPSTREAM has an available port which matches the\n"); |
| 2410 | fprintf(fp, "UPSTREAM-PORT globbing pattern, it is connected to the first port which\n"); |
| 2411 | fprintf(fp, "matches the DOWNSTREAM-PORT globbing pattern of the component named\n"); |
| 2412 | fprintf(fp, "DOWNSTREAM.\n"); |
| 2413 | fprintf(fp, "\n"); |
| 2414 | fprintf(fp, "The only special character in UPSTREAM-PORT and DOWNSTREAM-PORT is `*`\n"); |
| 2415 | fprintf(fp, "which matches anything. You must escape the following characters\n"); |
| 2416 | fprintf(fp, "with `\\`: `\\`, `*`, `?`, `[`, `.`, and `:`.\n"); |
| 2417 | fprintf(fp, "\n"); |
| 2418 | fprintf(fp, "You can connect a source component to a filter or sink component. You\n"); |
| 2419 | fprintf(fp, "can connect a filter component to a sink component.\n"); |
| 2420 | fprintf(fp, "\n"); |
| 2421 | fprintf(fp, "Examples:\n"); |
| 2422 | fprintf(fp, "\n"); |
| 2423 | fprintf(fp, " my-src:my-sink\n"); |
| 2424 | fprintf(fp, " ctf-fs.*stream*:utils-muxer:*\n"); |
| 2425 | fprintf(fp, "\n"); |
| 2426 | fprintf(fp, "IMPORTANT: Make sure to single-quote the whole argument when you run\n"); |
| 2427 | fprintf(fp, "babeltrace from a shell.\n"); |
| 2428 | fprintf(fp, "\n\n"); |
| 2429 | print_expected_params_format(fp); |
| 2430 | } |
| 2431 | |
| 2432 | /* |
| 2433 | * Creates a Babeltrace config object from the arguments of a run |
| 2434 | * command. |
| 2435 | * |
| 2436 | * *retcode is set to the appropriate exit code to use. |
| 2437 | */ |
| 2438 | static |
| 2439 | struct bt_config *bt_config_run_from_args(int argc, const char *argv[], |
| 2440 | int *retcode, bool force_omit_system_plugin_path, |
| 2441 | bool force_omit_home_plugin_path, |
| 2442 | const bt_value *initial_plugin_paths) |
| 2443 | { |
| 2444 | poptContext pc = NULL; |
| 2445 | char *arg = NULL; |
| 2446 | struct bt_config_component *cur_cfg_comp = NULL; |
| 2447 | enum bt_config_component_dest cur_cfg_comp_dest = |
| 2448 | BT_CONFIG_COMPONENT_DEST_UNKNOWN; |
| 2449 | bt_value *cur_base_params = NULL; |
| 2450 | int opt, ret = 0; |
| 2451 | struct bt_config *cfg = NULL; |
| 2452 | bt_value *instance_names = NULL; |
| 2453 | bt_value *connection_args = NULL; |
| 2454 | char error_buf[256] = { 0 }; |
| 2455 | long retry_duration = -1; |
| 2456 | bt_value_status status; |
| 2457 | struct poptOption run_long_options[] = { |
| 2458 | { "base-params", 'b', POPT_ARG_STRING, NULL, OPT_BASE_PARAMS, NULL, NULL }, |
| 2459 | { "component", 'c', POPT_ARG_STRING, NULL, OPT_COMPONENT, NULL, NULL }, |
| 2460 | { "connect", 'x', POPT_ARG_STRING, NULL, OPT_CONNECT, NULL, NULL }, |
| 2461 | { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL }, |
| 2462 | { "name", 'n', POPT_ARG_STRING, NULL, OPT_NAME, NULL, NULL }, |
| 2463 | { "omit-home-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_HOME_PLUGIN_PATH, NULL, NULL }, |
| 2464 | { "omit-system-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_SYSTEM_PLUGIN_PATH, NULL, NULL }, |
| 2465 | { "params", 'p', POPT_ARG_STRING, NULL, OPT_PARAMS, NULL, NULL }, |
| 2466 | { "plugin-path", '\0', POPT_ARG_STRING, NULL, OPT_PLUGIN_PATH, NULL, NULL }, |
| 2467 | { "reset-base-params", 'r', POPT_ARG_NONE, NULL, OPT_RESET_BASE_PARAMS, NULL, NULL }, |
| 2468 | { "retry-duration", '\0', POPT_ARG_LONG, &retry_duration, OPT_RETRY_DURATION, NULL, NULL }, |
| 2469 | { NULL, 0, '\0', NULL, 0, NULL, NULL }, |
| 2470 | }; |
| 2471 | |
| 2472 | *retcode = 0; |
| 2473 | |
| 2474 | if (argc <= 1) { |
| 2475 | print_run_usage(stdout); |
| 2476 | *retcode = -1; |
| 2477 | goto end; |
| 2478 | } |
| 2479 | |
| 2480 | cfg = bt_config_run_create(initial_plugin_paths); |
| 2481 | if (!cfg) { |
| 2482 | goto error; |
| 2483 | } |
| 2484 | |
| 2485 | cfg->cmd_data.run.retry_duration_us = 100000; |
| 2486 | cfg->omit_system_plugin_path = force_omit_system_plugin_path; |
| 2487 | cfg->omit_home_plugin_path = force_omit_home_plugin_path; |
| 2488 | cur_base_params = bt_value_map_create(); |
| 2489 | if (!cur_base_params) { |
| 2490 | print_err_oom(); |
| 2491 | goto error; |
| 2492 | } |
| 2493 | |
| 2494 | instance_names = bt_value_map_create(); |
| 2495 | if (!instance_names) { |
| 2496 | print_err_oom(); |
| 2497 | goto error; |
| 2498 | } |
| 2499 | |
| 2500 | connection_args = bt_value_array_create(); |
| 2501 | if (!connection_args) { |
| 2502 | print_err_oom(); |
| 2503 | goto error; |
| 2504 | } |
| 2505 | |
| 2506 | ret = append_env_var_plugin_paths(cfg->plugin_paths); |
| 2507 | if (ret) { |
| 2508 | goto error; |
| 2509 | } |
| 2510 | |
| 2511 | /* Parse options */ |
| 2512 | pc = poptGetContext(NULL, argc, (const char **) argv, |
| 2513 | run_long_options, 0); |
| 2514 | if (!pc) { |
| 2515 | printf_err("Cannot get popt context\n"); |
| 2516 | goto error; |
| 2517 | } |
| 2518 | |
| 2519 | poptReadDefaultConfig(pc, 0); |
| 2520 | |
| 2521 | while ((opt = poptGetNextOpt(pc)) > 0) { |
| 2522 | arg = poptGetOptArg(pc); |
| 2523 | |
| 2524 | switch (opt) { |
| 2525 | case OPT_PLUGIN_PATH: |
| 2526 | if (bt_config_append_plugin_paths_check_setuid_setgid( |
| 2527 | cfg->plugin_paths, arg)) { |
| 2528 | goto error; |
| 2529 | } |
| 2530 | break; |
| 2531 | case OPT_OMIT_SYSTEM_PLUGIN_PATH: |
| 2532 | cfg->omit_system_plugin_path = true; |
| 2533 | break; |
| 2534 | case OPT_OMIT_HOME_PLUGIN_PATH: |
| 2535 | cfg->omit_home_plugin_path = true; |
| 2536 | break; |
| 2537 | case OPT_COMPONENT: |
| 2538 | { |
| 2539 | enum bt_config_component_dest new_dest; |
| 2540 | |
| 2541 | if (cur_cfg_comp) { |
| 2542 | ret = add_run_cfg_comp_check_name(cfg, |
| 2543 | cur_cfg_comp, cur_cfg_comp_dest, |
| 2544 | instance_names); |
| 2545 | BT_OBJECT_PUT_REF_AND_RESET(cur_cfg_comp); |
| 2546 | if (ret) { |
| 2547 | goto error; |
| 2548 | } |
| 2549 | } |
| 2550 | |
| 2551 | cur_cfg_comp = bt_config_component_from_arg(arg); |
| 2552 | if (!cur_cfg_comp) { |
| 2553 | printf_err("Invalid format for --component option's argument:\n %s\n", |
| 2554 | arg); |
| 2555 | goto error; |
| 2556 | } |
| 2557 | |
| 2558 | switch (cur_cfg_comp->type) { |
| 2559 | case BT_COMPONENT_CLASS_TYPE_SOURCE: |
| 2560 | new_dest = BT_CONFIG_COMPONENT_DEST_SOURCE; |
| 2561 | break; |
| 2562 | case BT_COMPONENT_CLASS_TYPE_FILTER: |
| 2563 | new_dest = BT_CONFIG_COMPONENT_DEST_FILTER; |
| 2564 | break; |
| 2565 | case BT_COMPONENT_CLASS_TYPE_SINK: |
| 2566 | new_dest = BT_CONFIG_COMPONENT_DEST_SINK; |
| 2567 | break; |
| 2568 | default: |
| 2569 | abort(); |
| 2570 | } |
| 2571 | |
| 2572 | BT_ASSERT(cur_base_params); |
| 2573 | bt_value_put_ref(cur_cfg_comp->params); |
| 2574 | status = bt_value_copy(cur_base_params, |
| 2575 | &cur_cfg_comp->params); |
| 2576 | if (status != BT_VALUE_STATUS_OK) { |
| 2577 | print_err_oom(); |
| 2578 | goto error; |
| 2579 | } |
| 2580 | |
| 2581 | cur_cfg_comp_dest = new_dest; |
| 2582 | break; |
| 2583 | } |
| 2584 | case OPT_PARAMS: |
| 2585 | { |
| 2586 | bt_value *params; |
| 2587 | bt_value *params_to_set; |
| 2588 | |
| 2589 | if (!cur_cfg_comp) { |
| 2590 | printf_err("Cannot add parameters to unavailable component:\n %s\n", |
| 2591 | arg); |
| 2592 | goto error; |
| 2593 | } |
| 2594 | |
| 2595 | params = bt_value_from_arg(arg); |
| 2596 | if (!params) { |
| 2597 | printf_err("Invalid format for --params option's argument:\n %s\n", |
| 2598 | arg); |
| 2599 | goto error; |
| 2600 | } |
| 2601 | |
| 2602 | status = bt_value_map_extend(cur_cfg_comp->params, |
| 2603 | params, ¶ms_to_set); |
| 2604 | BT_VALUE_PUT_REF_AND_RESET(params); |
| 2605 | if (status != BT_VALUE_STATUS_OK) { |
| 2606 | printf_err("Cannot extend current component parameters with --params option's argument:\n %s\n", |
| 2607 | arg); |
| 2608 | goto error; |
| 2609 | } |
| 2610 | |
| 2611 | BT_OBJECT_MOVE_REF(cur_cfg_comp->params, params_to_set); |
| 2612 | break; |
| 2613 | } |
| 2614 | case OPT_NAME: |
| 2615 | if (!cur_cfg_comp) { |
| 2616 | printf_err("Cannot set the name of unavailable component:\n %s\n", |
| 2617 | arg); |
| 2618 | goto error; |
| 2619 | } |
| 2620 | |
| 2621 | g_string_assign(cur_cfg_comp->instance_name, arg); |
| 2622 | break; |
| 2623 | case OPT_BASE_PARAMS: |
| 2624 | { |
| 2625 | bt_value *params = |
| 2626 | bt_value_from_arg(arg); |
| 2627 | |
| 2628 | if (!params) { |
| 2629 | printf_err("Invalid format for --base-params option's argument:\n %s\n", |
| 2630 | arg); |
| 2631 | goto error; |
| 2632 | } |
| 2633 | |
| 2634 | BT_OBJECT_MOVE_REF(cur_base_params, params); |
| 2635 | break; |
| 2636 | } |
| 2637 | case OPT_RESET_BASE_PARAMS: |
| 2638 | BT_VALUE_PUT_REF_AND_RESET(cur_base_params); |
| 2639 | cur_base_params = bt_value_map_create(); |
| 2640 | if (!cur_base_params) { |
| 2641 | print_err_oom(); |
| 2642 | goto error; |
| 2643 | } |
| 2644 | break; |
| 2645 | case OPT_CONNECT: |
| 2646 | if (bt_value_array_append_string_element( |
| 2647 | connection_args, arg)) { |
| 2648 | print_err_oom(); |
| 2649 | goto error; |
| 2650 | } |
| 2651 | break; |
| 2652 | case OPT_RETRY_DURATION: |
| 2653 | if (retry_duration < 0) { |
| 2654 | printf_err("--retry-duration option's argument must be positive or 0: %ld\n", |
| 2655 | retry_duration); |
| 2656 | goto error; |
| 2657 | } |
| 2658 | |
| 2659 | cfg->cmd_data.run.retry_duration_us = |
| 2660 | (uint64_t) retry_duration; |
| 2661 | break; |
| 2662 | case OPT_HELP: |
| 2663 | print_run_usage(stdout); |
| 2664 | *retcode = -1; |
| 2665 | BT_OBJECT_PUT_REF_AND_RESET(cfg); |
| 2666 | goto end; |
| 2667 | default: |
| 2668 | printf_err("Unknown command-line option specified (option code %d)\n", |
| 2669 | opt); |
| 2670 | goto error; |
| 2671 | } |
| 2672 | |
| 2673 | free(arg); |
| 2674 | arg = NULL; |
| 2675 | } |
| 2676 | |
| 2677 | /* Check for option parsing error */ |
| 2678 | if (opt < -1) { |
| 2679 | printf_err("While parsing command-line options, at option %s: %s\n", |
| 2680 | poptBadOption(pc, 0), poptStrerror(opt)); |
| 2681 | goto error; |
| 2682 | } |
| 2683 | |
| 2684 | /* This command does not accept leftover arguments */ |
| 2685 | if (poptPeekArg(pc)) { |
| 2686 | printf_err("Unexpected argument: %s\n", poptPeekArg(pc)); |
| 2687 | goto error; |
| 2688 | } |
| 2689 | |
| 2690 | /* Add current component */ |
| 2691 | if (cur_cfg_comp) { |
| 2692 | ret = add_run_cfg_comp_check_name(cfg, cur_cfg_comp, |
| 2693 | cur_cfg_comp_dest, instance_names); |
| 2694 | BT_OBJECT_PUT_REF_AND_RESET(cur_cfg_comp); |
| 2695 | if (ret) { |
| 2696 | goto error; |
| 2697 | } |
| 2698 | } |
| 2699 | |
| 2700 | if (cfg->cmd_data.run.sources->len == 0) { |
| 2701 | printf_err("Incomplete graph: no source component\n"); |
| 2702 | goto error; |
| 2703 | } |
| 2704 | |
| 2705 | if (cfg->cmd_data.run.sinks->len == 0) { |
| 2706 | printf_err("Incomplete graph: no sink component\n"); |
| 2707 | goto error; |
| 2708 | } |
| 2709 | |
| 2710 | if (append_home_and_system_plugin_paths_cfg(cfg)) { |
| 2711 | goto error; |
| 2712 | } |
| 2713 | |
| 2714 | ret = bt_config_cli_args_create_connections(cfg, |
| 2715 | connection_args, |
| 2716 | error_buf, 256); |
| 2717 | if (ret) { |
| 2718 | printf_err("Cannot creation connections:\n%s", error_buf); |
| 2719 | goto error; |
| 2720 | } |
| 2721 | |
| 2722 | goto end; |
| 2723 | |
| 2724 | error: |
| 2725 | *retcode = 1; |
| 2726 | BT_OBJECT_PUT_REF_AND_RESET(cfg); |
| 2727 | |
| 2728 | end: |
| 2729 | if (pc) { |
| 2730 | poptFreeContext(pc); |
| 2731 | } |
| 2732 | |
| 2733 | free(arg); |
| 2734 | BT_OBJECT_PUT_REF_AND_RESET(cur_cfg_comp); |
| 2735 | BT_VALUE_PUT_REF_AND_RESET(cur_base_params); |
| 2736 | BT_VALUE_PUT_REF_AND_RESET(instance_names); |
| 2737 | BT_VALUE_PUT_REF_AND_RESET(connection_args); |
| 2738 | return cfg; |
| 2739 | } |
| 2740 | |
| 2741 | static |
| 2742 | struct bt_config *bt_config_run_from_args_array(const bt_value *run_args, |
| 2743 | int *retcode, bool force_omit_system_plugin_path, |
| 2744 | bool force_omit_home_plugin_path, |
| 2745 | const bt_value *initial_plugin_paths) |
| 2746 | { |
| 2747 | struct bt_config *cfg = NULL; |
| 2748 | const char **argv; |
| 2749 | int64_t i, len; |
| 2750 | const size_t argc = bt_value_array_get_size(run_args) + 1; |
| 2751 | |
| 2752 | argv = calloc(argc, sizeof(*argv)); |
| 2753 | if (!argv) { |
| 2754 | print_err_oom(); |
| 2755 | goto end; |
| 2756 | } |
| 2757 | |
| 2758 | argv[0] = "run"; |
| 2759 | |
| 2760 | len = bt_value_array_get_size(run_args); |
| 2761 | if (len < 0) { |
| 2762 | printf_err("Invalid executable arguments\n"); |
| 2763 | goto end; |
| 2764 | } |
| 2765 | for (i = 0; i < len; i++) { |
| 2766 | const bt_value *arg_value = |
| 2767 | bt_value_array_borrow_element_by_index_const(run_args, |
| 2768 | i); |
| 2769 | const char *arg; |
| 2770 | |
| 2771 | BT_ASSERT(arg_value); |
| 2772 | arg = bt_value_string_get(arg_value); |
| 2773 | BT_ASSERT(arg); |
| 2774 | argv[i + 1] = arg; |
| 2775 | } |
| 2776 | |
| 2777 | cfg = bt_config_run_from_args(argc, argv, retcode, |
| 2778 | force_omit_system_plugin_path, force_omit_home_plugin_path, |
| 2779 | initial_plugin_paths); |
| 2780 | |
| 2781 | end: |
| 2782 | free(argv); |
| 2783 | return cfg; |
| 2784 | } |
| 2785 | |
| 2786 | /* |
| 2787 | * Prints the convert command usage. |
| 2788 | */ |
| 2789 | static |
| 2790 | void print_convert_usage(FILE *fp) |
| 2791 | { |
| 2792 | fprintf(fp, "Usage: babeltrace [GENERAL OPTIONS] [convert] [OPTIONS] [PATH/URL]\n"); |
| 2793 | fprintf(fp, "\n"); |
| 2794 | fprintf(fp, "Options:\n"); |
| 2795 | fprintf(fp, "\n"); |
| 2796 | fprintf(fp, " -c, --component=[NAME:]TYPE.PLUGIN.CLS\n"); |
| 2797 | fprintf(fp, " Instantiate the component class CLS of type\n"); |
| 2798 | fprintf(fp, " TYPE (`source`, `filter`, or `sink`) found\n"); |
| 2799 | fprintf(fp, " in the plugin PLUGIN, add it to the\n"); |
| 2800 | fprintf(fp, " conversion graph, and optionally name it\n"); |
| 2801 | fprintf(fp, " NAME (you can also specify the name with\n"); |
| 2802 | fprintf(fp, " --name)\n"); |
| 2803 | fprintf(fp, " --name=NAME Set the name of the current component\n"); |
| 2804 | fprintf(fp, " to NAME (must be unique amongst all the\n"); |
| 2805 | fprintf(fp, " names of the created components)\n"); |
| 2806 | fprintf(fp, " --omit-home-plugin-path Omit home plugins from plugin search path\n"); |
| 2807 | fprintf(fp, " (~/.local/lib/babeltrace/plugins)\n"); |
| 2808 | fprintf(fp, " --omit-system-plugin-path Omit system plugins from plugin search path\n"); |
| 2809 | fprintf(fp, " -p, --params=PARAMS Add initialization parameters PARAMS to the\n"); |
| 2810 | fprintf(fp, " current component (see the expected format\n"); |
| 2811 | fprintf(fp, " of PARAMS below)\n"); |
| 2812 | fprintf(fp, " -P, --path=PATH Set the `path` string parameter of the\n"); |
| 2813 | fprintf(fp, " current component to PATH\n"); |
| 2814 | fprintf(fp, " --plugin-path=PATH[:PATH]... Add PATH to the list of paths from which\n"); |
| 2815 | fprintf(fp, " --retry-duration=DUR When babeltrace(1) needs to retry to run\n"); |
| 2816 | fprintf(fp, " the graph later, retry in DUR µs\n"); |
| 2817 | fprintf(fp, " (default: 100000)\n"); |
| 2818 | fprintf(fp, " dynamic plugins can be loaded\n"); |
| 2819 | fprintf(fp, " --run-args Print the equivalent arguments for the\n"); |
| 2820 | fprintf(fp, " `run` command to the standard output,\n"); |
| 2821 | fprintf(fp, " formatted for a shell, and quit\n"); |
| 2822 | fprintf(fp, " --run-args-0 Print the equivalent arguments for the\n"); |
| 2823 | fprintf(fp, " `run` command to the standard output,\n"); |
| 2824 | fprintf(fp, " formatted for `xargs -0`, and quit\n"); |
| 2825 | fprintf(fp, " --stream-intersection Only process events when all streams\n"); |
| 2826 | fprintf(fp, " are active\n"); |
| 2827 | fprintf(fp, " -u, --url=URL Set the `url` string parameter of the\n"); |
| 2828 | fprintf(fp, " current component to URL\n"); |
| 2829 | fprintf(fp, " -h, --help Show this help and quit\n"); |
| 2830 | fprintf(fp, "\n"); |
| 2831 | fprintf(fp, "Implicit `source.ctf.fs` component options:\n"); |
| 2832 | fprintf(fp, "\n"); |
| 2833 | fprintf(fp, " --clock-offset=SEC Set clock offset to SEC seconds\n"); |
| 2834 | fprintf(fp, " --clock-offset-ns=NS Set clock offset to NS ns\n"); |
| 2835 | fprintf(fp, "\n"); |
| 2836 | fprintf(fp, "Implicit `sink.text.pretty` component options:\n"); |
| 2837 | fprintf(fp, "\n"); |
| 2838 | fprintf(fp, " --clock-cycles Print timestamps in clock cycles\n"); |
| 2839 | fprintf(fp, " --clock-date Print timestamp dates\n"); |
| 2840 | fprintf(fp, " --clock-gmt Print and parse timestamps in the GMT\n"); |
| 2841 | fprintf(fp, " time zone instead of the local time zone\n"); |
| 2842 | fprintf(fp, " --clock-seconds Print the timestamps as `SEC.NS` instead\n"); |
| 2843 | fprintf(fp, " of `hh:mm:ss.nnnnnnnnn`\n"); |
| 2844 | fprintf(fp, " --color=(never | auto | always)\n"); |
| 2845 | fprintf(fp, " Never, automatically, or always emit\n"); |
| 2846 | fprintf(fp, " console color codes\n"); |
| 2847 | fprintf(fp, " -f, --fields=FIELD[,FIELD]... Print additional fields; FIELD can be:\n"); |
| 2848 | fprintf(fp, " `all`, `trace`, `trace:hostname`,\n"); |
| 2849 | fprintf(fp, " `trace:domain`, `trace:procname`,\n"); |
| 2850 | fprintf(fp, " `trace:vpid`, `loglevel`, `emf`\n"); |
| 2851 | fprintf(fp, " -n, --names=NAME[,NAME]... Print field names; NAME can be:\n"); |
| 2852 | fprintf(fp, " `payload` (or `arg` or `args`), `none`,\n"); |
| 2853 | fprintf(fp, " `all`, `scope`, `header`, `context`\n"); |
| 2854 | fprintf(fp, " (or `ctx`)\n"); |
| 2855 | fprintf(fp, " --no-delta Do not print time delta between\n"); |
| 2856 | fprintf(fp, " consecutive events\n"); |
| 2857 | fprintf(fp, " -w, --output=PATH Write output text to PATH instead of\n"); |
| 2858 | fprintf(fp, " the standard output\n"); |
| 2859 | fprintf(fp, "\n"); |
| 2860 | fprintf(fp, "Implicit `filter.utils.muxer` component options:\n"); |
| 2861 | fprintf(fp, "\n"); |
| 2862 | fprintf(fp, " --clock-force-correlate Assume that clocks are inherently\n"); |
| 2863 | fprintf(fp, " correlated across traces\n"); |
| 2864 | fprintf(fp, "\n"); |
| 2865 | fprintf(fp, "Implicit `filter.utils.trimmer` component options:\n"); |
| 2866 | fprintf(fp, "\n"); |
| 2867 | fprintf(fp, " -b, --begin=BEGIN Set the beginning time of the conversion\n"); |
| 2868 | fprintf(fp, " time range to BEGIN (see the format of\n"); |
| 2869 | fprintf(fp, " BEGIN below)\n"); |
| 2870 | fprintf(fp, " -e, --end=END Set the end time of the conversion time\n"); |
| 2871 | fprintf(fp, " range to END (see the format of END below)\n"); |
| 2872 | fprintf(fp, " -t, --timerange=TIMERANGE Set conversion time range to TIMERANGE:\n"); |
| 2873 | fprintf(fp, " BEGIN,END or [BEGIN,END] (literally `[` and\n"); |
| 2874 | fprintf(fp, " `]`) (see the format of BEGIN/END below)\n"); |
| 2875 | fprintf(fp, "\n"); |
| 2876 | fprintf(fp, "Implicit `filter.lttng-utils.debug-info` component options:\n"); |
| 2877 | fprintf(fp, "\n"); |
| 2878 | fprintf(fp, " --debug-info Create an implicit\n"); |
| 2879 | fprintf(fp, " `filter.lttng-utils.debug-info` component\n"); |
| 2880 | fprintf(fp, " --debug-info-dir=DIR Search for debug info in directory DIR\n"); |
| 2881 | fprintf(fp, " instead of `/usr/lib/debug`\n"); |
| 2882 | fprintf(fp, " --debug-info-full-path Show full debug info source and\n"); |
| 2883 | fprintf(fp, " binary paths instead of just names\n"); |
| 2884 | fprintf(fp, " --debug-info-target-prefix=DIR\n"); |
| 2885 | fprintf(fp, " Use directory DIR as a prefix when\n"); |
| 2886 | fprintf(fp, " looking up executables during debug\n"); |
| 2887 | fprintf(fp, " info analysis\n"); |
| 2888 | fprintf(fp, "\n"); |
| 2889 | fprintf(fp, "Legacy options that still work:\n"); |
| 2890 | fprintf(fp, "\n"); |
| 2891 | fprintf(fp, " -i, --input-format=(ctf | lttng-live)\n"); |
| 2892 | fprintf(fp, " `ctf`:\n"); |
| 2893 | fprintf(fp, " Create an implicit `source.ctf.fs`\n"); |
| 2894 | fprintf(fp, " component\n"); |
| 2895 | fprintf(fp, " `lttng-live`:\n"); |
| 2896 | fprintf(fp, " Create an implicit `source.ctf.lttng-live`\n"); |
| 2897 | fprintf(fp, " component\n"); |
| 2898 | fprintf(fp, " -o, --output-format=(text | ctf | dummy | ctf-metadata)\n"); |
| 2899 | fprintf(fp, " `text`:\n"); |
| 2900 | fprintf(fp, " Create an implicit `sink.text.pretty`\n"); |
| 2901 | fprintf(fp, " component\n"); |
| 2902 | fprintf(fp, " `ctf`:\n"); |
| 2903 | fprintf(fp, " Create an implicit `sink.ctf.fs`\n"); |
| 2904 | fprintf(fp, " component\n"); |
| 2905 | fprintf(fp, " `dummy`:\n"); |
| 2906 | fprintf(fp, " Create an implicit `sink.utils.dummy`\n"); |
| 2907 | fprintf(fp, " component\n"); |
| 2908 | fprintf(fp, " `ctf-metadata`:\n"); |
| 2909 | fprintf(fp, " Query the `source.ctf.fs` component class\n"); |
| 2910 | fprintf(fp, " for metadata text and quit\n"); |
| 2911 | fprintf(fp, "\n"); |
| 2912 | fprintf(fp, "See `babeltrace --help` for the list of general options.\n"); |
| 2913 | fprintf(fp, "\n\n"); |
| 2914 | fprintf(fp, "Format of BEGIN and END\n"); |
| 2915 | fprintf(fp, "-----------------------\n"); |
| 2916 | fprintf(fp, "\n"); |
| 2917 | fprintf(fp, " [YYYY-MM-DD [hh:mm:]]ss[.nnnnnnnnn]\n"); |
| 2918 | fprintf(fp, "\n\n"); |
| 2919 | print_expected_params_format(fp); |
| 2920 | } |
| 2921 | |
| 2922 | static |
| 2923 | struct poptOption convert_long_options[] = { |
| 2924 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ |
| 2925 | { "begin", 'b', POPT_ARG_STRING, NULL, OPT_BEGIN, NULL, NULL }, |
| 2926 | { "clock-cycles", '\0', POPT_ARG_NONE, NULL, OPT_CLOCK_CYCLES, NULL, NULL }, |
| 2927 | { "clock-date", '\0', POPT_ARG_NONE, NULL, OPT_CLOCK_DATE, NULL, NULL }, |
| 2928 | { "clock-force-correlate", '\0', POPT_ARG_NONE, NULL, OPT_CLOCK_FORCE_CORRELATE, NULL, NULL }, |
| 2929 | { "clock-gmt", '\0', POPT_ARG_NONE, NULL, OPT_CLOCK_GMT, NULL, NULL }, |
| 2930 | { "clock-offset", '\0', POPT_ARG_STRING, NULL, OPT_CLOCK_OFFSET, NULL, NULL }, |
| 2931 | { "clock-offset-ns", '\0', POPT_ARG_STRING, NULL, OPT_CLOCK_OFFSET_NS, NULL, NULL }, |
| 2932 | { "clock-seconds", '\0', POPT_ARG_NONE, NULL, OPT_CLOCK_SECONDS, NULL, NULL }, |
| 2933 | { "color", '\0', POPT_ARG_STRING, NULL, OPT_COLOR, NULL, NULL }, |
| 2934 | { "component", 'c', POPT_ARG_STRING, NULL, OPT_COMPONENT, NULL, NULL }, |
| 2935 | { "debug", 'd', POPT_ARG_NONE, NULL, OPT_DEBUG, NULL, NULL }, |
| 2936 | { "debug-info-dir", 0, POPT_ARG_STRING, NULL, OPT_DEBUG_INFO_DIR, NULL, NULL }, |
| 2937 | { "debug-info-full-path", 0, POPT_ARG_NONE, NULL, OPT_DEBUG_INFO_FULL_PATH, NULL, NULL }, |
| 2938 | { "debug-info-target-prefix", 0, POPT_ARG_STRING, NULL, OPT_DEBUG_INFO_TARGET_PREFIX, NULL, NULL }, |
| 2939 | { "end", 'e', POPT_ARG_STRING, NULL, OPT_END, NULL, NULL }, |
| 2940 | { "fields", 'f', POPT_ARG_STRING, NULL, OPT_FIELDS, NULL, NULL }, |
| 2941 | { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL }, |
| 2942 | { "input-format", 'i', POPT_ARG_STRING, NULL, OPT_INPUT_FORMAT, NULL, NULL }, |
| 2943 | { "name", '\0', POPT_ARG_STRING, NULL, OPT_NAME, NULL, NULL }, |
| 2944 | { "names", 'n', POPT_ARG_STRING, NULL, OPT_NAMES, NULL, NULL }, |
| 2945 | { "debug-info", '\0', POPT_ARG_NONE, NULL, OPT_DEBUG_INFO, NULL, NULL }, |
| 2946 | { "no-delta", '\0', POPT_ARG_NONE, NULL, OPT_NO_DELTA, NULL, NULL }, |
| 2947 | { "omit-home-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_HOME_PLUGIN_PATH, NULL, NULL }, |
| 2948 | { "omit-system-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_SYSTEM_PLUGIN_PATH, NULL, NULL }, |
| 2949 | { "output", 'w', POPT_ARG_STRING, NULL, OPT_OUTPUT, NULL, NULL }, |
| 2950 | { "output-format", 'o', POPT_ARG_STRING, NULL, OPT_OUTPUT_FORMAT, NULL, NULL }, |
| 2951 | { "params", 'p', POPT_ARG_STRING, NULL, OPT_PARAMS, NULL, NULL }, |
| 2952 | { "path", 'P', POPT_ARG_STRING, NULL, OPT_PATH, NULL, NULL }, |
| 2953 | { "plugin-path", '\0', POPT_ARG_STRING, NULL, OPT_PLUGIN_PATH, NULL, NULL }, |
| 2954 | { "retry-duration", '\0', POPT_ARG_STRING, NULL, OPT_RETRY_DURATION, NULL, NULL }, |
| 2955 | { "run-args", '\0', POPT_ARG_NONE, NULL, OPT_RUN_ARGS, NULL, NULL }, |
| 2956 | { "run-args-0", '\0', POPT_ARG_NONE, NULL, OPT_RUN_ARGS_0, NULL, NULL }, |
| 2957 | { "stream-intersection", '\0', POPT_ARG_NONE, NULL, OPT_STREAM_INTERSECTION, NULL, NULL }, |
| 2958 | { "timerange", '\0', POPT_ARG_STRING, NULL, OPT_TIMERANGE, NULL, NULL }, |
| 2959 | { "url", 'u', POPT_ARG_STRING, NULL, OPT_URL, NULL, NULL }, |
| 2960 | { "verbose", 'v', POPT_ARG_NONE, NULL, OPT_VERBOSE, NULL, NULL }, |
| 2961 | { NULL, 0, '\0', NULL, 0, NULL, NULL }, |
| 2962 | }; |
| 2963 | |
| 2964 | static |
| 2965 | GString *get_component_auto_name(const char *prefix, |
| 2966 | const bt_value *existing_names) |
| 2967 | { |
| 2968 | unsigned int i = 0; |
| 2969 | GString *auto_name = g_string_new(NULL); |
| 2970 | |
| 2971 | if (!auto_name) { |
| 2972 | print_err_oom(); |
| 2973 | goto end; |
| 2974 | } |
| 2975 | |
| 2976 | if (!bt_value_map_has_entry(existing_names, prefix)) { |
| 2977 | g_string_assign(auto_name, prefix); |
| 2978 | goto end; |
| 2979 | } |
| 2980 | |
| 2981 | do { |
| 2982 | g_string_printf(auto_name, "%s-%d", prefix, i); |
| 2983 | i++; |
| 2984 | } while (bt_value_map_has_entry(existing_names, auto_name->str)); |
| 2985 | |
| 2986 | end: |
| 2987 | return auto_name; |
| 2988 | } |
| 2989 | |
| 2990 | struct implicit_component_args { |
| 2991 | bool exists; |
| 2992 | GString *comp_arg; |
| 2993 | GString *name_arg; |
| 2994 | GString *params_arg; |
| 2995 | bt_value *extra_params; |
| 2996 | }; |
| 2997 | |
| 2998 | static |
| 2999 | int assign_name_to_implicit_component(struct implicit_component_args *args, |
| 3000 | const char *prefix, bt_value *existing_names, |
| 3001 | GList **comp_names, bool append_to_comp_names) |
| 3002 | { |
| 3003 | int ret = 0; |
| 3004 | GString *name = NULL; |
| 3005 | |
| 3006 | if (!args->exists) { |
| 3007 | goto end; |
| 3008 | } |
| 3009 | |
| 3010 | name = get_component_auto_name(prefix, |
| 3011 | existing_names); |
| 3012 | |
| 3013 | if (!name) { |
| 3014 | ret = -1; |
| 3015 | goto end; |
| 3016 | } |
| 3017 | |
| 3018 | g_string_assign(args->name_arg, name->str); |
| 3019 | |
| 3020 | if (bt_value_map_insert_entry(existing_names, name->str, |
| 3021 | bt_value_null)) { |
| 3022 | print_err_oom(); |
| 3023 | ret = -1; |
| 3024 | goto end; |
| 3025 | } |
| 3026 | |
| 3027 | if (append_to_comp_names) { |
| 3028 | *comp_names = g_list_append(*comp_names, name); |
| 3029 | name = NULL; |
| 3030 | } |
| 3031 | |
| 3032 | end: |
| 3033 | if (name) { |
| 3034 | g_string_free(name, TRUE); |
| 3035 | } |
| 3036 | |
| 3037 | return ret; |
| 3038 | } |
| 3039 | |
| 3040 | static |
| 3041 | int append_run_args_for_implicit_component( |
| 3042 | struct implicit_component_args *impl_args, |
| 3043 | bt_value *run_args) |
| 3044 | { |
| 3045 | int ret = 0; |
| 3046 | size_t i; |
| 3047 | |
| 3048 | if (!impl_args->exists) { |
| 3049 | goto end; |
| 3050 | } |
| 3051 | |
| 3052 | if (bt_value_array_append_string_element(run_args, "--component")) { |
| 3053 | print_err_oom(); |
| 3054 | goto error; |
| 3055 | } |
| 3056 | |
| 3057 | if (bt_value_array_append_string_element(run_args, impl_args->comp_arg->str)) { |
| 3058 | print_err_oom(); |
| 3059 | goto error; |
| 3060 | } |
| 3061 | |
| 3062 | if (bt_value_array_append_string_element(run_args, "--name")) { |
| 3063 | print_err_oom(); |
| 3064 | goto error; |
| 3065 | } |
| 3066 | |
| 3067 | if (bt_value_array_append_string_element(run_args, impl_args->name_arg->str)) { |
| 3068 | print_err_oom(); |
| 3069 | goto error; |
| 3070 | } |
| 3071 | |
| 3072 | if (impl_args->params_arg->len > 0) { |
| 3073 | if (bt_value_array_append_string_element(run_args, "--params")) { |
| 3074 | print_err_oom(); |
| 3075 | goto error; |
| 3076 | } |
| 3077 | |
| 3078 | if (bt_value_array_append_string_element(run_args, |
| 3079 | impl_args->params_arg->str)) { |
| 3080 | print_err_oom(); |
| 3081 | goto error; |
| 3082 | } |
| 3083 | } |
| 3084 | |
| 3085 | for (i = 0; i < bt_value_array_get_size(impl_args->extra_params); |
| 3086 | i++) { |
| 3087 | const bt_value *elem; |
| 3088 | const char *arg; |
| 3089 | |
| 3090 | elem = bt_value_array_borrow_element_by_index(impl_args->extra_params, |
| 3091 | i); |
| 3092 | if (!elem) { |
| 3093 | goto error; |
| 3094 | } |
| 3095 | |
| 3096 | BT_ASSERT(bt_value_is_string(elem)); |
| 3097 | arg = bt_value_string_get(elem); |
| 3098 | ret = bt_value_array_append_string_element(run_args, arg); |
| 3099 | if (ret) { |
| 3100 | print_err_oom(); |
| 3101 | goto error; |
| 3102 | } |
| 3103 | } |
| 3104 | |
| 3105 | goto end; |
| 3106 | |
| 3107 | error: |
| 3108 | ret = -1; |
| 3109 | |
| 3110 | end: |
| 3111 | return ret; |
| 3112 | } |
| 3113 | |
| 3114 | static |
| 3115 | void finalize_implicit_component_args(struct implicit_component_args *args) |
| 3116 | { |
| 3117 | BT_ASSERT(args); |
| 3118 | |
| 3119 | if (args->comp_arg) { |
| 3120 | g_string_free(args->comp_arg, TRUE); |
| 3121 | } |
| 3122 | |
| 3123 | if (args->name_arg) { |
| 3124 | g_string_free(args->name_arg, TRUE); |
| 3125 | } |
| 3126 | |
| 3127 | if (args->params_arg) { |
| 3128 | g_string_free(args->params_arg, TRUE); |
| 3129 | } |
| 3130 | |
| 3131 | bt_value_put_ref(args->extra_params); |
| 3132 | } |
| 3133 | |
| 3134 | static |
| 3135 | int init_implicit_component_args(struct implicit_component_args *args, |
| 3136 | const char *comp_arg, bool exists) |
| 3137 | { |
| 3138 | int ret = 0; |
| 3139 | |
| 3140 | args->exists = exists; |
| 3141 | args->comp_arg = g_string_new(comp_arg); |
| 3142 | args->name_arg = g_string_new(NULL); |
| 3143 | args->params_arg = g_string_new(NULL); |
| 3144 | args->extra_params = bt_value_array_create(); |
| 3145 | |
| 3146 | if (!args->comp_arg || !args->name_arg || |
| 3147 | !args->params_arg || !args->extra_params) { |
| 3148 | ret = -1; |
| 3149 | finalize_implicit_component_args(args); |
| 3150 | print_err_oom(); |
| 3151 | goto end; |
| 3152 | } |
| 3153 | |
| 3154 | end: |
| 3155 | return ret; |
| 3156 | } |
| 3157 | |
| 3158 | static |
| 3159 | void append_implicit_component_param(struct implicit_component_args *args, |
| 3160 | const char *key, const char *value) |
| 3161 | { |
| 3162 | BT_ASSERT(args); |
| 3163 | BT_ASSERT(key); |
| 3164 | BT_ASSERT(value); |
| 3165 | append_param_arg(args->params_arg, key, value); |
| 3166 | } |
| 3167 | |
| 3168 | /* Escape value to make it suitable to use as a string parameter value. */ |
| 3169 | static |
| 3170 | gchar *escape_string_value(const char *value) |
| 3171 | { |
| 3172 | GString *ret; |
| 3173 | const char *in; |
| 3174 | |
| 3175 | ret = g_string_new(NULL); |
| 3176 | if (!ret) { |
| 3177 | print_err_oom(); |
| 3178 | goto end; |
| 3179 | } |
| 3180 | |
| 3181 | in = value; |
| 3182 | while (*in) { |
| 3183 | switch (*in) { |
| 3184 | case '"': |
| 3185 | case '\\': |
| 3186 | g_string_append_c(ret, '\\'); |
| 3187 | break; |
| 3188 | } |
| 3189 | |
| 3190 | g_string_append_c(ret, *in); |
| 3191 | |
| 3192 | in++; |
| 3193 | } |
| 3194 | |
| 3195 | end: |
| 3196 | return g_string_free(ret, FALSE); |
| 3197 | } |
| 3198 | |
| 3199 | static |
| 3200 | int bt_value_to_cli_param_value_append(const bt_value *value, GString *buf) |
| 3201 | { |
| 3202 | BT_ASSERT(buf); |
| 3203 | |
| 3204 | int ret = -1; |
| 3205 | |
| 3206 | switch (bt_value_get_type(value)) { |
| 3207 | case BT_VALUE_TYPE_STRING: |
| 3208 | { |
| 3209 | const char *str_value = bt_value_string_get(value); |
| 3210 | gchar *escaped_str_value; |
| 3211 | |
| 3212 | escaped_str_value = escape_string_value(str_value); |
| 3213 | if (!escaped_str_value) { |
| 3214 | goto end; |
| 3215 | } |
| 3216 | |
| 3217 | g_string_append_printf(buf, "\"%s\"", escaped_str_value); |
| 3218 | |
| 3219 | g_free(escaped_str_value); |
| 3220 | break; |
| 3221 | } |
| 3222 | case BT_VALUE_TYPE_ARRAY: { |
| 3223 | g_string_append_c(buf, '['); |
| 3224 | uint64_t sz = bt_value_array_get_size(value); |
| 3225 | for (uint64_t i = 0; i < sz; i++) { |
| 3226 | const bt_value *item; |
| 3227 | int ret; |
| 3228 | |
| 3229 | if (i > 0) { |
| 3230 | g_string_append(buf, ", "); |
| 3231 | } |
| 3232 | |
| 3233 | item = bt_value_array_borrow_element_by_index_const( |
| 3234 | value, i); |
| 3235 | ret = bt_value_to_cli_param_value_append(item, buf); |
| 3236 | |
| 3237 | if (ret) { |
| 3238 | goto end; |
| 3239 | } |
| 3240 | } |
| 3241 | g_string_append_c(buf, ']'); |
| 3242 | break; |
| 3243 | } |
| 3244 | default: |
| 3245 | abort(); |
| 3246 | } |
| 3247 | |
| 3248 | ret = 0; |
| 3249 | |
| 3250 | end: |
| 3251 | return ret; |
| 3252 | } |
| 3253 | |
| 3254 | /* |
| 3255 | * Convert `value` to its equivalent representation as a command line parameter |
| 3256 | * value. |
| 3257 | */ |
| 3258 | |
| 3259 | static |
| 3260 | gchar *bt_value_to_cli_param_value(bt_value *value) |
| 3261 | { |
| 3262 | GString *buf; |
| 3263 | gchar *result = NULL; |
| 3264 | |
| 3265 | buf = g_string_new(NULL); |
| 3266 | if (!buf) { |
| 3267 | print_err_oom(); |
| 3268 | goto error; |
| 3269 | } |
| 3270 | |
| 3271 | if (bt_value_to_cli_param_value_append(value, buf)) { |
| 3272 | goto error; |
| 3273 | } |
| 3274 | |
| 3275 | result = g_string_free(buf, FALSE); |
| 3276 | buf = NULL; |
| 3277 | |
| 3278 | goto end; |
| 3279 | |
| 3280 | error: |
| 3281 | if (buf) { |
| 3282 | g_string_free(buf, TRUE); |
| 3283 | } |
| 3284 | |
| 3285 | end: |
| 3286 | return result; |
| 3287 | } |
| 3288 | |
| 3289 | static |
| 3290 | int append_parameter_to_args(bt_value *args, const char *key, bt_value *value) |
| 3291 | { |
| 3292 | BT_ASSERT(args); |
| 3293 | BT_ASSERT(bt_value_get_type(args) == BT_VALUE_TYPE_ARRAY); |
| 3294 | BT_ASSERT(key); |
| 3295 | BT_ASSERT(value); |
| 3296 | |
| 3297 | int ret = 0; |
| 3298 | gchar *str_value = NULL; |
| 3299 | GString *parameter = NULL; |
| 3300 | |
| 3301 | if (bt_value_array_append_string_element(args, "--params")) { |
| 3302 | print_err_oom(); |
| 3303 | ret = -1; |
| 3304 | goto end; |
| 3305 | } |
| 3306 | |
| 3307 | str_value = bt_value_to_cli_param_value(value); |
| 3308 | if (!str_value) { |
| 3309 | ret = -1; |
| 3310 | goto end; |
| 3311 | } |
| 3312 | |
| 3313 | parameter = g_string_new(NULL); |
| 3314 | if (!parameter) { |
| 3315 | print_err_oom(); |
| 3316 | ret = -1; |
| 3317 | goto end; |
| 3318 | } |
| 3319 | |
| 3320 | g_string_printf(parameter, "%s=%s", key, str_value); |
| 3321 | |
| 3322 | if (bt_value_array_append_string_element(args, parameter->str)) { |
| 3323 | print_err_oom(); |
| 3324 | ret = -1; |
| 3325 | goto end; |
| 3326 | } |
| 3327 | |
| 3328 | end: |
| 3329 | if (parameter) { |
| 3330 | g_string_free(parameter, TRUE); |
| 3331 | parameter = NULL; |
| 3332 | } |
| 3333 | |
| 3334 | if (str_value) { |
| 3335 | g_free(str_value); |
| 3336 | str_value = NULL; |
| 3337 | } |
| 3338 | |
| 3339 | return ret; |
| 3340 | } |
| 3341 | |
| 3342 | static |
| 3343 | int append_string_parameter_to_args(bt_value *args, const char *key, const char *value) |
| 3344 | { |
| 3345 | bt_value *str_value; |
| 3346 | int ret; |
| 3347 | |
| 3348 | str_value = bt_value_string_create_init(value); |
| 3349 | |
| 3350 | if (!str_value) { |
| 3351 | print_err_oom(); |
| 3352 | ret = -1; |
| 3353 | goto end; |
| 3354 | } |
| 3355 | |
| 3356 | ret = append_parameter_to_args(args, key, str_value); |
| 3357 | |
| 3358 | end: |
| 3359 | BT_VALUE_PUT_REF_AND_RESET(str_value); |
| 3360 | return ret; |
| 3361 | } |
| 3362 | |
| 3363 | static |
| 3364 | int append_implicit_component_extra_param(struct implicit_component_args *args, |
| 3365 | const char *key, const char *value) |
| 3366 | { |
| 3367 | return append_string_parameter_to_args(args->extra_params, key, value); |
| 3368 | } |
| 3369 | |
| 3370 | static |
| 3371 | int convert_append_name_param(enum bt_config_component_dest dest, |
| 3372 | GString *cur_name, GString *cur_name_prefix, |
| 3373 | bt_value *run_args, |
| 3374 | bt_value *all_names, |
| 3375 | GList **source_names, GList **filter_names, |
| 3376 | GList **sink_names) |
| 3377 | { |
| 3378 | int ret = 0; |
| 3379 | |
| 3380 | if (cur_name_prefix->len > 0) { |
| 3381 | /* We're after a --component option */ |
| 3382 | GString *name = NULL; |
| 3383 | bool append_name_opt = false; |
| 3384 | |
| 3385 | if (cur_name->len == 0) { |
| 3386 | /* |
| 3387 | * No explicit name was provided for the user |
| 3388 | * component. |
| 3389 | */ |
| 3390 | name = get_component_auto_name(cur_name_prefix->str, |
| 3391 | all_names); |
| 3392 | append_name_opt = true; |
| 3393 | } else { |
| 3394 | /* |
| 3395 | * An explicit name was provided for the user |
| 3396 | * component. |
| 3397 | */ |
| 3398 | if (bt_value_map_has_entry(all_names, |
| 3399 | cur_name->str)) { |
| 3400 | printf_err("Duplicate component instance name:\n %s\n", |
| 3401 | cur_name->str); |
| 3402 | goto error; |
| 3403 | } |
| 3404 | |
| 3405 | name = g_string_new(cur_name->str); |
| 3406 | } |
| 3407 | |
| 3408 | if (!name) { |
| 3409 | print_err_oom(); |
| 3410 | goto error; |
| 3411 | } |
| 3412 | |
| 3413 | /* |
| 3414 | * Remember this name globally, for the uniqueness of |
| 3415 | * all component names. |
| 3416 | */ |
| 3417 | if (bt_value_map_insert_entry(all_names, name->str, bt_value_null)) { |
| 3418 | print_err_oom(); |
| 3419 | goto error; |
| 3420 | } |
| 3421 | |
| 3422 | /* |
| 3423 | * Append the --name option if necessary. |
| 3424 | */ |
| 3425 | if (append_name_opt) { |
| 3426 | if (bt_value_array_append_string_element(run_args, "--name")) { |
| 3427 | print_err_oom(); |
| 3428 | goto error; |
| 3429 | } |
| 3430 | |
| 3431 | if (bt_value_array_append_string_element(run_args, name->str)) { |
| 3432 | print_err_oom(); |
| 3433 | goto error; |
| 3434 | } |
| 3435 | } |
| 3436 | |
| 3437 | /* |
| 3438 | * Remember this name specifically for the type of the |
| 3439 | * component. This is to create connection arguments. |
| 3440 | */ |
| 3441 | switch (dest) { |
| 3442 | case BT_CONFIG_COMPONENT_DEST_SOURCE: |
| 3443 | *source_names = g_list_append(*source_names, name); |
| 3444 | break; |
| 3445 | case BT_CONFIG_COMPONENT_DEST_FILTER: |
| 3446 | *filter_names = g_list_append(*filter_names, name); |
| 3447 | break; |
| 3448 | case BT_CONFIG_COMPONENT_DEST_SINK: |
| 3449 | *sink_names = g_list_append(*sink_names, name); |
| 3450 | break; |
| 3451 | default: |
| 3452 | abort(); |
| 3453 | } |
| 3454 | |
| 3455 | g_string_assign(cur_name_prefix, ""); |
| 3456 | } |
| 3457 | |
| 3458 | goto end; |
| 3459 | |
| 3460 | error: |
| 3461 | ret = -1; |
| 3462 | |
| 3463 | end: |
| 3464 | return ret; |
| 3465 | } |
| 3466 | |
| 3467 | /* |
| 3468 | * Escapes `.`, `:`, and `\` of `input` with `\`. |
| 3469 | */ |
| 3470 | static |
| 3471 | GString *escape_dot_colon(const char *input) |
| 3472 | { |
| 3473 | GString *output = g_string_new(NULL); |
| 3474 | const char *ch; |
| 3475 | |
| 3476 | if (!output) { |
| 3477 | print_err_oom(); |
| 3478 | goto end; |
| 3479 | } |
| 3480 | |
| 3481 | for (ch = input; *ch != '\0'; ch++) { |
| 3482 | if (*ch == '\\' || *ch == '.' || *ch == ':') { |
| 3483 | g_string_append_c(output, '\\'); |
| 3484 | } |
| 3485 | |
| 3486 | g_string_append_c(output, *ch); |
| 3487 | } |
| 3488 | |
| 3489 | end: |
| 3490 | return output; |
| 3491 | } |
| 3492 | |
| 3493 | /* |
| 3494 | * Appends a --connect option to a list of arguments. `upstream_name` |
| 3495 | * and `downstream_name` are escaped with escape_dot_colon() in this |
| 3496 | * function. |
| 3497 | */ |
| 3498 | static |
| 3499 | int append_connect_arg(bt_value *run_args, |
| 3500 | const char *upstream_name, const char *downstream_name) |
| 3501 | { |
| 3502 | int ret = 0; |
| 3503 | GString *e_upstream_name = escape_dot_colon(upstream_name); |
| 3504 | GString *e_downstream_name = escape_dot_colon(downstream_name); |
| 3505 | GString *arg = g_string_new(NULL); |
| 3506 | |
| 3507 | if (!e_upstream_name || !e_downstream_name || !arg) { |
| 3508 | print_err_oom(); |
| 3509 | ret = -1; |
| 3510 | goto end; |
| 3511 | } |
| 3512 | |
| 3513 | ret = bt_value_array_append_string_element(run_args, "--connect"); |
| 3514 | if (ret) { |
| 3515 | print_err_oom(); |
| 3516 | ret = -1; |
| 3517 | goto end; |
| 3518 | } |
| 3519 | |
| 3520 | g_string_append(arg, e_upstream_name->str); |
| 3521 | g_string_append_c(arg, ':'); |
| 3522 | g_string_append(arg, e_downstream_name->str); |
| 3523 | ret = bt_value_array_append_string_element(run_args, arg->str); |
| 3524 | if (ret) { |
| 3525 | print_err_oom(); |
| 3526 | ret = -1; |
| 3527 | goto end; |
| 3528 | } |
| 3529 | |
| 3530 | end: |
| 3531 | if (arg) { |
| 3532 | g_string_free(arg, TRUE); |
| 3533 | } |
| 3534 | |
| 3535 | if (e_upstream_name) { |
| 3536 | g_string_free(e_upstream_name, TRUE); |
| 3537 | } |
| 3538 | |
| 3539 | if (e_downstream_name) { |
| 3540 | g_string_free(e_downstream_name, TRUE); |
| 3541 | } |
| 3542 | |
| 3543 | return ret; |
| 3544 | } |
| 3545 | |
| 3546 | /* |
| 3547 | * Appends the run command's --connect options for the convert command. |
| 3548 | */ |
| 3549 | static |
| 3550 | int convert_auto_connect(bt_value *run_args, |
| 3551 | GList *source_names, GList *filter_names, |
| 3552 | GList *sink_names) |
| 3553 | { |
| 3554 | int ret = 0; |
| 3555 | GList *source_at = source_names; |
| 3556 | GList *filter_at = filter_names; |
| 3557 | GList *filter_prev; |
| 3558 | GList *sink_at = sink_names; |
| 3559 | |
| 3560 | BT_ASSERT(source_names); |
| 3561 | BT_ASSERT(filter_names); |
| 3562 | BT_ASSERT(sink_names); |
| 3563 | |
| 3564 | /* Connect all sources to the first filter */ |
| 3565 | for (source_at = source_names; source_at != NULL; source_at = g_list_next(source_at)) { |
| 3566 | GString *source_name = source_at->data; |
| 3567 | GString *filter_name = filter_at->data; |
| 3568 | |
| 3569 | ret = append_connect_arg(run_args, source_name->str, |
| 3570 | filter_name->str); |
| 3571 | if (ret) { |
| 3572 | goto error; |
| 3573 | } |
| 3574 | } |
| 3575 | |
| 3576 | filter_prev = filter_at; |
| 3577 | filter_at = g_list_next(filter_at); |
| 3578 | |
| 3579 | /* Connect remaining filters */ |
| 3580 | for (; filter_at != NULL; filter_prev = filter_at, filter_at = g_list_next(filter_at)) { |
| 3581 | GString *filter_name = filter_at->data; |
| 3582 | GString *filter_prev_name = filter_prev->data; |
| 3583 | |
| 3584 | ret = append_connect_arg(run_args, filter_prev_name->str, |
| 3585 | filter_name->str); |
| 3586 | if (ret) { |
| 3587 | goto error; |
| 3588 | } |
| 3589 | } |
| 3590 | |
| 3591 | /* Connect last filter to all sinks */ |
| 3592 | for (sink_at = sink_names; sink_at != NULL; sink_at = g_list_next(sink_at)) { |
| 3593 | GString *filter_name = filter_prev->data; |
| 3594 | GString *sink_name = sink_at->data; |
| 3595 | |
| 3596 | ret = append_connect_arg(run_args, filter_name->str, |
| 3597 | sink_name->str); |
| 3598 | if (ret) { |
| 3599 | goto error; |
| 3600 | } |
| 3601 | } |
| 3602 | |
| 3603 | goto end; |
| 3604 | |
| 3605 | error: |
| 3606 | ret = -1; |
| 3607 | |
| 3608 | end: |
| 3609 | return ret; |
| 3610 | } |
| 3611 | |
| 3612 | static |
| 3613 | int split_timerange(const char *arg, char **begin, char **end) |
| 3614 | { |
| 3615 | int ret = 0; |
| 3616 | const char *ch = arg; |
| 3617 | size_t end_pos; |
| 3618 | GString *g_begin = NULL; |
| 3619 | GString *g_end = NULL; |
| 3620 | |
| 3621 | BT_ASSERT(arg); |
| 3622 | |
| 3623 | if (*ch == '[') { |
| 3624 | ch++; |
| 3625 | } |
| 3626 | |
| 3627 | g_begin = bt_common_string_until(ch, "", ",", &end_pos); |
| 3628 | if (!g_begin || ch[end_pos] != ',' || g_begin->len == 0) { |
| 3629 | goto error; |
| 3630 | } |
| 3631 | |
| 3632 | ch += end_pos + 1; |
| 3633 | |
| 3634 | g_end = bt_common_string_until(ch, "", "]", &end_pos); |
| 3635 | if (!g_end || g_end->len == 0) { |
| 3636 | goto error; |
| 3637 | } |
| 3638 | |
| 3639 | BT_ASSERT(begin); |
| 3640 | BT_ASSERT(end); |
| 3641 | *begin = g_begin->str; |
| 3642 | *end = g_end->str; |
| 3643 | g_string_free(g_begin, FALSE); |
| 3644 | g_string_free(g_end, FALSE); |
| 3645 | g_begin = NULL; |
| 3646 | g_end = NULL; |
| 3647 | goto end; |
| 3648 | |
| 3649 | error: |
| 3650 | ret = -1; |
| 3651 | |
| 3652 | end: |
| 3653 | if (g_begin) { |
| 3654 | g_string_free(g_begin, TRUE); |
| 3655 | } |
| 3656 | |
| 3657 | if (g_end) { |
| 3658 | g_string_free(g_end, TRUE); |
| 3659 | } |
| 3660 | |
| 3661 | return ret; |
| 3662 | } |
| 3663 | |
| 3664 | static |
| 3665 | int g_list_prepend_gstring(GList **list, const char *string) |
| 3666 | { |
| 3667 | int ret = 0; |
| 3668 | GString *gs = g_string_new(string); |
| 3669 | |
| 3670 | BT_ASSERT(list); |
| 3671 | |
| 3672 | if (!gs) { |
| 3673 | print_err_oom(); |
| 3674 | goto end; |
| 3675 | } |
| 3676 | |
| 3677 | *list = g_list_prepend(*list, gs); |
| 3678 | |
| 3679 | end: |
| 3680 | return ret; |
| 3681 | } |
| 3682 | |
| 3683 | /* |
| 3684 | * Creates a Babeltrace config object from the arguments of a convert |
| 3685 | * command. |
| 3686 | * |
| 3687 | * *retcode is set to the appropriate exit code to use. |
| 3688 | */ |
| 3689 | static |
| 3690 | struct bt_config *bt_config_convert_from_args(int argc, const char *argv[], |
| 3691 | int *retcode, bool force_omit_system_plugin_path, |
| 3692 | bool force_omit_home_plugin_path, |
| 3693 | const bt_value *initial_plugin_paths, char *log_level) |
| 3694 | { |
| 3695 | poptContext pc = NULL; |
| 3696 | char *arg = NULL; |
| 3697 | enum bt_config_component_dest cur_comp_dest = |
| 3698 | BT_CONFIG_COMPONENT_DEST_UNKNOWN; |
| 3699 | int opt, ret = 0; |
| 3700 | struct bt_config *cfg = NULL; |
| 3701 | bool got_input_format_opt = false; |
| 3702 | bool got_output_format_opt = false; |
| 3703 | bool trimmer_has_begin = false; |
| 3704 | bool trimmer_has_end = false; |
| 3705 | bool stream_intersection_mode = false; |
| 3706 | GString *cur_name = NULL; |
| 3707 | GString *cur_name_prefix = NULL; |
| 3708 | const char *leftover = NULL; |
| 3709 | bool print_run_args = false; |
| 3710 | bool print_run_args_0 = false; |
| 3711 | bool print_ctf_metadata = false; |
| 3712 | bt_value *run_args = NULL; |
| 3713 | bt_value *all_names = NULL; |
| 3714 | GList *source_names = NULL; |
| 3715 | GList *filter_names = NULL; |
| 3716 | GList *sink_names = NULL; |
| 3717 | bt_value *leftovers = NULL; |
| 3718 | struct implicit_component_args implicit_ctf_input_args = { 0 }; |
| 3719 | struct implicit_component_args implicit_ctf_output_args = { 0 }; |
| 3720 | struct implicit_component_args implicit_lttng_live_args = { 0 }; |
| 3721 | struct implicit_component_args implicit_dummy_args = { 0 }; |
| 3722 | struct implicit_component_args implicit_text_args = { 0 }; |
| 3723 | struct implicit_component_args implicit_debug_info_args = { 0 }; |
| 3724 | struct implicit_component_args implicit_muxer_args = { 0 }; |
| 3725 | struct implicit_component_args implicit_trimmer_args = { 0 }; |
| 3726 | bt_value *plugin_paths; |
| 3727 | char error_buf[256] = { 0 }; |
| 3728 | size_t i; |
| 3729 | struct bt_common_lttng_live_url_parts lttng_live_url_parts = { 0 }; |
| 3730 | char *output = NULL; |
| 3731 | |
| 3732 | (void) bt_value_copy(initial_plugin_paths, &plugin_paths); |
| 3733 | |
| 3734 | *retcode = 0; |
| 3735 | |
| 3736 | if (argc <= 1) { |
| 3737 | print_convert_usage(stdout); |
| 3738 | *retcode = -1; |
| 3739 | goto end; |
| 3740 | } |
| 3741 | |
| 3742 | if (init_implicit_component_args(&implicit_ctf_input_args, |
| 3743 | "source.ctf.fs", false)) { |
| 3744 | goto error; |
| 3745 | } |
| 3746 | |
| 3747 | if (init_implicit_component_args(&implicit_ctf_output_args, |
| 3748 | "sink.ctf.fs", false)) { |
| 3749 | goto error; |
| 3750 | } |
| 3751 | |
| 3752 | if (init_implicit_component_args(&implicit_lttng_live_args, |
| 3753 | "source.ctf.lttng-live", false)) { |
| 3754 | goto error; |
| 3755 | } |
| 3756 | |
| 3757 | if (init_implicit_component_args(&implicit_text_args, |
| 3758 | "sink.text.pretty", false)) { |
| 3759 | goto error; |
| 3760 | } |
| 3761 | |
| 3762 | if (init_implicit_component_args(&implicit_dummy_args, |
| 3763 | "sink.utils.dummy", false)) { |
| 3764 | goto error; |
| 3765 | } |
| 3766 | |
| 3767 | if (init_implicit_component_args(&implicit_debug_info_args, |
| 3768 | "filter.lttng-utils.debug-info", false)) { |
| 3769 | goto error; |
| 3770 | } |
| 3771 | |
| 3772 | if (init_implicit_component_args(&implicit_muxer_args, |
| 3773 | "filter.utils.muxer", true)) { |
| 3774 | goto error; |
| 3775 | } |
| 3776 | |
| 3777 | if (init_implicit_component_args(&implicit_trimmer_args, |
| 3778 | "filter.utils.trimmer", false)) { |
| 3779 | goto error; |
| 3780 | } |
| 3781 | |
| 3782 | all_names = bt_value_map_create(); |
| 3783 | if (!all_names) { |
| 3784 | print_err_oom(); |
| 3785 | goto error; |
| 3786 | } |
| 3787 | |
| 3788 | run_args = bt_value_array_create(); |
| 3789 | if (!run_args) { |
| 3790 | print_err_oom(); |
| 3791 | goto error; |
| 3792 | } |
| 3793 | |
| 3794 | cur_name = g_string_new(NULL); |
| 3795 | if (!cur_name) { |
| 3796 | print_err_oom(); |
| 3797 | goto error; |
| 3798 | } |
| 3799 | |
| 3800 | cur_name_prefix = g_string_new(NULL); |
| 3801 | if (!cur_name_prefix) { |
| 3802 | print_err_oom(); |
| 3803 | goto error; |
| 3804 | } |
| 3805 | |
| 3806 | ret = append_env_var_plugin_paths(plugin_paths); |
| 3807 | if (ret) { |
| 3808 | goto error; |
| 3809 | } |
| 3810 | |
| 3811 | leftovers = bt_value_array_create(); |
| 3812 | if (!leftovers) { |
| 3813 | print_err_oom(); |
| 3814 | goto error; |
| 3815 | } |
| 3816 | |
| 3817 | /* |
| 3818 | * First pass: collect all arguments which need to be passed |
| 3819 | * as is to the run command. This pass can also add --name |
| 3820 | * arguments if needed to automatically name unnamed component |
| 3821 | * instances. Also it does the following transformations: |
| 3822 | * |
| 3823 | * --path=PATH -> --params=path="PATH" |
| 3824 | * --url=URL -> --params=url="URL" |
| 3825 | * |
| 3826 | * Also it appends the plugin paths of --plugin-path to |
| 3827 | * `plugin_paths`. |
| 3828 | */ |
| 3829 | pc = poptGetContext(NULL, argc, (const char **) argv, |
| 3830 | convert_long_options, 0); |
| 3831 | if (!pc) { |
| 3832 | printf_err("Cannot get popt context\n"); |
| 3833 | goto error; |
| 3834 | } |
| 3835 | |
| 3836 | poptReadDefaultConfig(pc, 0); |
| 3837 | |
| 3838 | while ((opt = poptGetNextOpt(pc)) > 0) { |
| 3839 | char *name = NULL; |
| 3840 | char *plugin_name = NULL; |
| 3841 | char *comp_cls_name = NULL; |
| 3842 | |
| 3843 | arg = poptGetOptArg(pc); |
| 3844 | |
| 3845 | switch (opt) { |
| 3846 | case OPT_COMPONENT: |
| 3847 | { |
| 3848 | bt_component_class_type type; |
| 3849 | const char *type_prefix; |
| 3850 | |
| 3851 | /* Append current component's name if needed */ |
| 3852 | ret = convert_append_name_param(cur_comp_dest, cur_name, |
| 3853 | cur_name_prefix, run_args, all_names, |
| 3854 | &source_names, &filter_names, &sink_names); |
| 3855 | if (ret) { |
| 3856 | goto error; |
| 3857 | } |
| 3858 | |
| 3859 | /* Parse the argument */ |
| 3860 | plugin_comp_cls_names(arg, &name, &plugin_name, |
| 3861 | &comp_cls_name, &type); |
| 3862 | if (!plugin_name || !comp_cls_name) { |
| 3863 | printf_err("Invalid format for --component option's argument:\n %s\n", |
| 3864 | arg); |
| 3865 | goto error; |
| 3866 | } |
| 3867 | |
| 3868 | if (name) { |
| 3869 | g_string_assign(cur_name, name); |
| 3870 | } else { |
| 3871 | g_string_assign(cur_name, ""); |
| 3872 | } |
| 3873 | |
| 3874 | switch (type) { |
| 3875 | case BT_COMPONENT_CLASS_TYPE_SOURCE: |
| 3876 | cur_comp_dest = BT_CONFIG_COMPONENT_DEST_SOURCE; |
| 3877 | type_prefix = "source"; |
| 3878 | break; |
| 3879 | case BT_COMPONENT_CLASS_TYPE_FILTER: |
| 3880 | cur_comp_dest = BT_CONFIG_COMPONENT_DEST_FILTER; |
| 3881 | type_prefix = "filter"; |
| 3882 | break; |
| 3883 | case BT_COMPONENT_CLASS_TYPE_SINK: |
| 3884 | cur_comp_dest = BT_CONFIG_COMPONENT_DEST_SINK; |
| 3885 | type_prefix = "sink"; |
| 3886 | break; |
| 3887 | default: |
| 3888 | abort(); |
| 3889 | } |
| 3890 | |
| 3891 | if (bt_value_array_append_string_element(run_args, |
| 3892 | "--component")) { |
| 3893 | print_err_oom(); |
| 3894 | goto error; |
| 3895 | } |
| 3896 | |
| 3897 | if (bt_value_array_append_string_element(run_args, arg)) { |
| 3898 | print_err_oom(); |
| 3899 | goto error; |
| 3900 | } |
| 3901 | |
| 3902 | g_string_assign(cur_name_prefix, ""); |
| 3903 | g_string_append_printf(cur_name_prefix, "%s.%s.%s", |
| 3904 | type_prefix, plugin_name, comp_cls_name); |
| 3905 | free(name); |
| 3906 | free(plugin_name); |
| 3907 | free(comp_cls_name); |
| 3908 | name = NULL; |
| 3909 | plugin_name = NULL; |
| 3910 | comp_cls_name = NULL; |
| 3911 | break; |
| 3912 | } |
| 3913 | case OPT_PARAMS: |
| 3914 | if (cur_name_prefix->len == 0) { |
| 3915 | printf_err("No current component of which to set parameters:\n %s\n", |
| 3916 | arg); |
| 3917 | goto error; |
| 3918 | } |
| 3919 | |
| 3920 | if (bt_value_array_append_string_element(run_args, |
| 3921 | "--params")) { |
| 3922 | print_err_oom(); |
| 3923 | goto error; |
| 3924 | } |
| 3925 | |
| 3926 | if (bt_value_array_append_string_element(run_args, arg)) { |
| 3927 | print_err_oom(); |
| 3928 | goto error; |
| 3929 | } |
| 3930 | break; |
| 3931 | case OPT_PATH: |
| 3932 | if (cur_name_prefix->len == 0) { |
| 3933 | printf_err("No current component of which to set `path` parameter:\n %s\n", |
| 3934 | arg); |
| 3935 | goto error; |
| 3936 | } |
| 3937 | |
| 3938 | if (append_string_parameter_to_args(run_args, "path", arg)) { |
| 3939 | goto error; |
| 3940 | } |
| 3941 | break; |
| 3942 | case OPT_URL: |
| 3943 | if (cur_name_prefix->len == 0) { |
| 3944 | printf_err("No current component of which to set `url` parameter:\n %s\n", |
| 3945 | arg); |
| 3946 | goto error; |
| 3947 | } |
| 3948 | |
| 3949 | |
| 3950 | if (append_string_parameter_to_args(run_args, "url", arg)) { |
| 3951 | goto error; |
| 3952 | } |
| 3953 | break; |
| 3954 | case OPT_NAME: |
| 3955 | if (cur_name_prefix->len == 0) { |
| 3956 | printf_err("No current component to name:\n %s\n", |
| 3957 | arg); |
| 3958 | goto error; |
| 3959 | } |
| 3960 | |
| 3961 | if (bt_value_array_append_string_element(run_args, "--name")) { |
| 3962 | print_err_oom(); |
| 3963 | goto error; |
| 3964 | } |
| 3965 | |
| 3966 | if (bt_value_array_append_string_element(run_args, arg)) { |
| 3967 | print_err_oom(); |
| 3968 | goto error; |
| 3969 | } |
| 3970 | |
| 3971 | g_string_assign(cur_name, arg); |
| 3972 | break; |
| 3973 | case OPT_OMIT_HOME_PLUGIN_PATH: |
| 3974 | force_omit_home_plugin_path = true; |
| 3975 | |
| 3976 | if (bt_value_array_append_string_element(run_args, |
| 3977 | "--omit-home-plugin-path")) { |
| 3978 | print_err_oom(); |
| 3979 | goto error; |
| 3980 | } |
| 3981 | break; |
| 3982 | case OPT_RETRY_DURATION: |
| 3983 | if (bt_value_array_append_string_element(run_args, |
| 3984 | "--retry-duration")) { |
| 3985 | print_err_oom(); |
| 3986 | goto error; |
| 3987 | } |
| 3988 | |
| 3989 | if (bt_value_array_append_string_element(run_args, arg)) { |
| 3990 | print_err_oom(); |
| 3991 | goto error; |
| 3992 | } |
| 3993 | break; |
| 3994 | case OPT_OMIT_SYSTEM_PLUGIN_PATH: |
| 3995 | force_omit_system_plugin_path = true; |
| 3996 | |
| 3997 | if (bt_value_array_append_string_element(run_args, |
| 3998 | "--omit-system-plugin-path")) { |
| 3999 | print_err_oom(); |
| 4000 | goto error; |
| 4001 | } |
| 4002 | break; |
| 4003 | case OPT_PLUGIN_PATH: |
| 4004 | if (bt_config_append_plugin_paths_check_setuid_setgid( |
| 4005 | plugin_paths, arg)) { |
| 4006 | goto error; |
| 4007 | } |
| 4008 | |
| 4009 | if (bt_value_array_append_string_element(run_args, |
| 4010 | "--plugin-path")) { |
| 4011 | print_err_oom(); |
| 4012 | goto error; |
| 4013 | } |
| 4014 | |
| 4015 | if (bt_value_array_append_string_element(run_args, arg)) { |
| 4016 | print_err_oom(); |
| 4017 | goto error; |
| 4018 | } |
| 4019 | break; |
| 4020 | case OPT_HELP: |
| 4021 | print_convert_usage(stdout); |
| 4022 | *retcode = -1; |
| 4023 | BT_OBJECT_PUT_REF_AND_RESET(cfg); |
| 4024 | goto end; |
| 4025 | case OPT_BEGIN: |
| 4026 | case OPT_CLOCK_CYCLES: |
| 4027 | case OPT_CLOCK_DATE: |
| 4028 | case OPT_CLOCK_FORCE_CORRELATE: |
| 4029 | case OPT_CLOCK_GMT: |
| 4030 | case OPT_CLOCK_OFFSET: |
| 4031 | case OPT_CLOCK_OFFSET_NS: |
| 4032 | case OPT_CLOCK_SECONDS: |
| 4033 | case OPT_COLOR: |
| 4034 | case OPT_DEBUG: |
| 4035 | case OPT_DEBUG_INFO: |
| 4036 | case OPT_DEBUG_INFO_DIR: |
| 4037 | case OPT_DEBUG_INFO_FULL_PATH: |
| 4038 | case OPT_DEBUG_INFO_TARGET_PREFIX: |
| 4039 | case OPT_END: |
| 4040 | case OPT_FIELDS: |
| 4041 | case OPT_INPUT_FORMAT: |
| 4042 | case OPT_NAMES: |
| 4043 | case OPT_NO_DELTA: |
| 4044 | case OPT_OUTPUT_FORMAT: |
| 4045 | case OPT_OUTPUT: |
| 4046 | case OPT_RUN_ARGS: |
| 4047 | case OPT_RUN_ARGS_0: |
| 4048 | case OPT_STREAM_INTERSECTION: |
| 4049 | case OPT_TIMERANGE: |
| 4050 | case OPT_VERBOSE: |
| 4051 | /* Ignore in this pass */ |
| 4052 | break; |
| 4053 | default: |
| 4054 | printf_err("Unknown command-line option specified (option code %d)\n", |
| 4055 | opt); |
| 4056 | goto error; |
| 4057 | } |
| 4058 | |
| 4059 | free(arg); |
| 4060 | arg = NULL; |
| 4061 | } |
| 4062 | |
| 4063 | /* Append current component's name if needed */ |
| 4064 | ret = convert_append_name_param(cur_comp_dest, cur_name, |
| 4065 | cur_name_prefix, run_args, all_names, &source_names, |
| 4066 | &filter_names, &sink_names); |
| 4067 | if (ret) { |
| 4068 | goto error; |
| 4069 | } |
| 4070 | |
| 4071 | /* Check for option parsing error */ |
| 4072 | if (opt < -1) { |
| 4073 | printf_err("While parsing command-line options, at option %s: %s\n", |
| 4074 | poptBadOption(pc, 0), poptStrerror(opt)); |
| 4075 | goto error; |
| 4076 | } |
| 4077 | |
| 4078 | poptFreeContext(pc); |
| 4079 | free(arg); |
| 4080 | arg = NULL; |
| 4081 | |
| 4082 | /* |
| 4083 | * Second pass: transform the convert-specific options and |
| 4084 | * arguments into implicit component instances for the run |
| 4085 | * command. |
| 4086 | */ |
| 4087 | pc = poptGetContext(NULL, argc, (const char **) argv, |
| 4088 | convert_long_options, 0); |
| 4089 | if (!pc) { |
| 4090 | printf_err("Cannot get popt context\n"); |
| 4091 | goto error; |
| 4092 | } |
| 4093 | |
| 4094 | poptReadDefaultConfig(pc, 0); |
| 4095 | |
| 4096 | while ((opt = poptGetNextOpt(pc)) > 0) { |
| 4097 | arg = poptGetOptArg(pc); |
| 4098 | |
| 4099 | switch (opt) { |
| 4100 | case OPT_BEGIN: |
| 4101 | if (trimmer_has_begin) { |
| 4102 | printf("At --begin option: --begin or --timerange option already specified\n %s\n", |
| 4103 | arg); |
| 4104 | goto error; |
| 4105 | } |
| 4106 | |
| 4107 | trimmer_has_begin = true; |
| 4108 | ret = append_implicit_component_extra_param( |
| 4109 | &implicit_trimmer_args, "begin", arg); |
| 4110 | implicit_trimmer_args.exists = true; |
| 4111 | if (ret) { |
| 4112 | goto error; |
| 4113 | } |
| 4114 | break; |
| 4115 | case OPT_END: |
| 4116 | if (trimmer_has_end) { |
| 4117 | printf("At --end option: --end or --timerange option already specified\n %s\n", |
| 4118 | arg); |
| 4119 | goto error; |
| 4120 | } |
| 4121 | |
| 4122 | trimmer_has_end = true; |
| 4123 | ret = append_implicit_component_extra_param( |
| 4124 | &implicit_trimmer_args, "end", arg); |
| 4125 | implicit_trimmer_args.exists = true; |
| 4126 | if (ret) { |
| 4127 | goto error; |
| 4128 | } |
| 4129 | break; |
| 4130 | case OPT_TIMERANGE: |
| 4131 | { |
| 4132 | char *begin; |
| 4133 | char *end; |
| 4134 | |
| 4135 | if (trimmer_has_begin || trimmer_has_end) { |
| 4136 | printf("At --timerange option: --begin, --end, or --timerange option already specified\n %s\n", |
| 4137 | arg); |
| 4138 | goto error; |
| 4139 | } |
| 4140 | |
| 4141 | ret = split_timerange(arg, &begin, &end); |
| 4142 | if (ret) { |
| 4143 | printf_err("Invalid --timerange option's argument: expecting BEGIN,END or [BEGIN,END]:\n %s\n", |
| 4144 | arg); |
| 4145 | goto error; |
| 4146 | } |
| 4147 | |
| 4148 | ret = append_implicit_component_extra_param( |
| 4149 | &implicit_trimmer_args, "begin", begin); |
| 4150 | ret |= append_implicit_component_extra_param( |
| 4151 | &implicit_trimmer_args, "end", end); |
| 4152 | implicit_trimmer_args.exists = true; |
| 4153 | free(begin); |
| 4154 | free(end); |
| 4155 | if (ret) { |
| 4156 | goto error; |
| 4157 | } |
| 4158 | break; |
| 4159 | } |
| 4160 | case OPT_CLOCK_CYCLES: |
| 4161 | append_implicit_component_param( |
| 4162 | &implicit_text_args, "clock-cycles", "yes"); |
| 4163 | implicit_text_args.exists = true; |
| 4164 | break; |
| 4165 | case OPT_CLOCK_DATE: |
| 4166 | append_implicit_component_param( |
| 4167 | &implicit_text_args, "clock-date", "yes"); |
| 4168 | implicit_text_args.exists = true; |
| 4169 | break; |
| 4170 | case OPT_CLOCK_FORCE_CORRELATE: |
| 4171 | append_implicit_component_param( |
| 4172 | &implicit_muxer_args, |
| 4173 | "assume-absolute-clock-classes", "yes"); |
| 4174 | break; |
| 4175 | case OPT_CLOCK_GMT: |
| 4176 | append_implicit_component_param( |
| 4177 | &implicit_text_args, "clock-gmt", "yes"); |
| 4178 | append_implicit_component_param( |
| 4179 | &implicit_trimmer_args, "gmt", "yes"); |
| 4180 | implicit_text_args.exists = true; |
| 4181 | break; |
| 4182 | case OPT_CLOCK_OFFSET: |
| 4183 | implicit_ctf_input_args.exists = true; |
| 4184 | append_implicit_component_param( |
| 4185 | &implicit_ctf_input_args, |
| 4186 | "clock-class-offset-s", arg); |
| 4187 | break; |
| 4188 | case OPT_CLOCK_OFFSET_NS: |
| 4189 | implicit_ctf_input_args.exists = true; |
| 4190 | append_implicit_component_param( |
| 4191 | &implicit_ctf_input_args, |
| 4192 | "clock-class-offset-ns", arg); |
| 4193 | break; |
| 4194 | case OPT_CLOCK_SECONDS: |
| 4195 | append_implicit_component_param( |
| 4196 | &implicit_text_args, "clock-seconds", "yes"); |
| 4197 | implicit_text_args.exists = true; |
| 4198 | break; |
| 4199 | case OPT_COLOR: |
| 4200 | implicit_text_args.exists = true; |
| 4201 | ret = append_implicit_component_extra_param( |
| 4202 | &implicit_text_args, "color", arg); |
| 4203 | if (ret) { |
| 4204 | goto error; |
| 4205 | } |
| 4206 | break; |
| 4207 | case OPT_DEBUG_INFO: |
| 4208 | implicit_debug_info_args.exists = true; |
| 4209 | break; |
| 4210 | case OPT_DEBUG_INFO_DIR: |
| 4211 | implicit_debug_info_args.exists = true; |
| 4212 | ret = append_implicit_component_extra_param( |
| 4213 | &implicit_debug_info_args, "debug-info-dir", arg); |
| 4214 | if (ret) { |
| 4215 | goto error; |
| 4216 | } |
| 4217 | break; |
| 4218 | case OPT_DEBUG_INFO_FULL_PATH: |
| 4219 | implicit_debug_info_args.exists = true; |
| 4220 | append_implicit_component_param( |
| 4221 | &implicit_debug_info_args, "full-path", "yes"); |
| 4222 | break; |
| 4223 | case OPT_DEBUG_INFO_TARGET_PREFIX: |
| 4224 | implicit_debug_info_args.exists = true; |
| 4225 | ret = append_implicit_component_extra_param( |
| 4226 | &implicit_debug_info_args, |
| 4227 | "target-prefix", arg); |
| 4228 | if (ret) { |
| 4229 | goto error; |
| 4230 | } |
| 4231 | break; |
| 4232 | case OPT_FIELDS: |
| 4233 | { |
| 4234 | bt_value *fields = fields_from_arg(arg); |
| 4235 | |
| 4236 | if (!fields) { |
| 4237 | goto error; |
| 4238 | } |
| 4239 | |
| 4240 | implicit_text_args.exists = true; |
| 4241 | ret = insert_flat_params_from_array( |
| 4242 | implicit_text_args.params_arg, |
| 4243 | fields, "field"); |
| 4244 | bt_value_put_ref(fields); |
| 4245 | if (ret) { |
| 4246 | goto error; |
| 4247 | } |
| 4248 | break; |
| 4249 | } |
| 4250 | case OPT_NAMES: |
| 4251 | { |
| 4252 | bt_value *names = names_from_arg(arg); |
| 4253 | |
| 4254 | if (!names) { |
| 4255 | goto error; |
| 4256 | } |
| 4257 | |
| 4258 | implicit_text_args.exists = true; |
| 4259 | ret = insert_flat_params_from_array( |
| 4260 | implicit_text_args.params_arg, |
| 4261 | names, "name"); |
| 4262 | bt_value_put_ref(names); |
| 4263 | if (ret) { |
| 4264 | goto error; |
| 4265 | } |
| 4266 | break; |
| 4267 | } |
| 4268 | case OPT_NO_DELTA: |
| 4269 | append_implicit_component_param( |
| 4270 | &implicit_text_args, "no-delta", "yes"); |
| 4271 | implicit_text_args.exists = true; |
| 4272 | break; |
| 4273 | case OPT_INPUT_FORMAT: |
| 4274 | if (got_input_format_opt) { |
| 4275 | printf_err("Duplicate --input-format option\n"); |
| 4276 | goto error; |
| 4277 | } |
| 4278 | |
| 4279 | got_input_format_opt = true; |
| 4280 | |
| 4281 | if (strcmp(arg, "ctf") == 0) { |
| 4282 | implicit_ctf_input_args.exists = true; |
| 4283 | } else if (strcmp(arg, "lttng-live") == 0) { |
| 4284 | implicit_lttng_live_args.exists = true; |
| 4285 | } else { |
| 4286 | printf_err("Unknown legacy input format:\n %s\n", |
| 4287 | arg); |
| 4288 | goto error; |
| 4289 | } |
| 4290 | break; |
| 4291 | case OPT_OUTPUT_FORMAT: |
| 4292 | if (got_output_format_opt) { |
| 4293 | printf_err("Duplicate --output-format option\n"); |
| 4294 | goto error; |
| 4295 | } |
| 4296 | |
| 4297 | got_output_format_opt = true; |
| 4298 | |
| 4299 | if (strcmp(arg, "text") == 0) { |
| 4300 | implicit_text_args.exists = true; |
| 4301 | } else if (strcmp(arg, "ctf") == 0) { |
| 4302 | implicit_ctf_output_args.exists = true; |
| 4303 | } else if (strcmp(arg, "dummy") == 0) { |
| 4304 | implicit_dummy_args.exists = true; |
| 4305 | } else if (strcmp(arg, "ctf-metadata") == 0) { |
| 4306 | print_ctf_metadata = true; |
| 4307 | } else { |
| 4308 | printf_err("Unknown legacy output format:\n %s\n", |
| 4309 | arg); |
| 4310 | goto error; |
| 4311 | } |
| 4312 | break; |
| 4313 | case OPT_OUTPUT: |
| 4314 | if (output) { |
| 4315 | printf_err("Duplicate --output option\n"); |
| 4316 | goto error; |
| 4317 | } |
| 4318 | |
| 4319 | output = strdup(arg); |
| 4320 | if (!output) { |
| 4321 | print_err_oom(); |
| 4322 | goto error; |
| 4323 | } |
| 4324 | break; |
| 4325 | case OPT_RUN_ARGS: |
| 4326 | if (print_run_args_0) { |
| 4327 | printf_err("Cannot specify --run-args and --run-args-0\n"); |
| 4328 | goto error; |
| 4329 | } |
| 4330 | |
| 4331 | print_run_args = true; |
| 4332 | break; |
| 4333 | case OPT_RUN_ARGS_0: |
| 4334 | if (print_run_args) { |
| 4335 | printf_err("Cannot specify --run-args and --run-args-0\n"); |
| 4336 | goto error; |
| 4337 | } |
| 4338 | |
| 4339 | print_run_args_0 = true; |
| 4340 | break; |
| 4341 | case OPT_STREAM_INTERSECTION: |
| 4342 | /* |
| 4343 | * Applies to all traces implementing the trace-info |
| 4344 | * query. |
| 4345 | */ |
| 4346 | stream_intersection_mode = true; |
| 4347 | break; |
| 4348 | case OPT_VERBOSE: |
| 4349 | if (*log_level != 'V' && *log_level != 'D') { |
| 4350 | *log_level = 'I'; |
| 4351 | } |
| 4352 | break; |
| 4353 | case OPT_DEBUG: |
| 4354 | *log_level = 'V'; |
| 4355 | break; |
| 4356 | } |
| 4357 | |
| 4358 | free(arg); |
| 4359 | arg = NULL; |
| 4360 | } |
| 4361 | |
| 4362 | /* Check for option parsing error */ |
| 4363 | if (opt < -1) { |
| 4364 | printf_err("While parsing command-line options, at option %s: %s\n", |
| 4365 | poptBadOption(pc, 0), poptStrerror(opt)); |
| 4366 | goto error; |
| 4367 | } |
| 4368 | |
| 4369 | /* |
| 4370 | * Legacy behaviour: --verbose used to make the `text` output |
| 4371 | * format print more information. --verbose is now equivalent to |
| 4372 | * the INFO log level, which is why we compare to 'I' here. |
| 4373 | */ |
| 4374 | if (*log_level == 'I') { |
| 4375 | append_implicit_component_param(&implicit_text_args, |
| 4376 | "verbose", "yes"); |
| 4377 | } |
| 4378 | |
| 4379 | /* |
| 4380 | * Append home and system plugin paths now that we possibly got |
| 4381 | * --plugin-path. |
| 4382 | */ |
| 4383 | if (append_home_and_system_plugin_paths(plugin_paths, |
| 4384 | force_omit_system_plugin_path, |
| 4385 | force_omit_home_plugin_path)) { |
| 4386 | goto error; |
| 4387 | } |
| 4388 | |
| 4389 | /* Consume and keep leftover arguments */ |
| 4390 | while ((leftover = poptGetArg(pc))) { |
| 4391 | bt_value_status status = bt_value_array_append_string_element(leftovers, leftover); |
| 4392 | if (status != BT_VALUE_STATUS_OK) { |
| 4393 | print_err_oom(); |
| 4394 | goto error; |
| 4395 | } |
| 4396 | } |
| 4397 | |
| 4398 | /* Print CTF metadata or print LTTng live sessions */ |
| 4399 | if (print_ctf_metadata) { |
| 4400 | const bt_value *bt_val_leftover; |
| 4401 | |
| 4402 | if (bt_value_array_is_empty(leftovers)) { |
| 4403 | printf_err("--output-format=ctf-metadata specified without a path\n"); |
| 4404 | goto error; |
| 4405 | } |
| 4406 | |
| 4407 | if (bt_value_array_get_size(leftovers) > 1) { |
| 4408 | printf_err("Too many paths specified for --output-format=ctf-metadata\n"); |
| 4409 | goto error; |
| 4410 | } |
| 4411 | |
| 4412 | cfg = bt_config_print_ctf_metadata_create(plugin_paths); |
| 4413 | if (!cfg) { |
| 4414 | goto error; |
| 4415 | } |
| 4416 | |
| 4417 | bt_val_leftover = bt_value_array_borrow_element_by_index_const(leftovers, 0); |
| 4418 | g_string_assign(cfg->cmd_data.print_ctf_metadata.path, |
| 4419 | bt_value_string_get(bt_val_leftover)); |
| 4420 | |
| 4421 | if (output) { |
| 4422 | g_string_assign( |
| 4423 | cfg->cmd_data.print_ctf_metadata.output_path, |
| 4424 | output); |
| 4425 | } |
| 4426 | |
| 4427 | goto end; |
| 4428 | } |
| 4429 | |
| 4430 | /* |
| 4431 | * If -o ctf was specified, make sure an output path (--output) |
| 4432 | * was also specified. --output does not imply -o ctf because |
| 4433 | * it's also used for the default, implicit -o text if -o ctf |
| 4434 | * is not specified. |
| 4435 | */ |
| 4436 | if (implicit_ctf_output_args.exists) { |
| 4437 | if (!output) { |
| 4438 | printf_err("--output-format=ctf specified without --output (trace output path)\n"); |
| 4439 | goto error; |
| 4440 | } |
| 4441 | |
| 4442 | /* |
| 4443 | * At this point we know that -o ctf AND --output were |
| 4444 | * specified. Make sure that no options were specified |
| 4445 | * which would imply -o text because --output would be |
| 4446 | * ambiguous in this case. For example, this is wrong: |
| 4447 | * |
| 4448 | * babeltrace --names=all -o ctf --output=/tmp/path my-trace |
| 4449 | * |
| 4450 | * because --names=all implies -o text, and --output |
| 4451 | * could apply to both the sink.text.pretty and |
| 4452 | * sink.ctf.fs implicit components. |
| 4453 | */ |
| 4454 | if (implicit_text_args.exists) { |
| 4455 | printf_err("Ambiguous --output option: --output-format=ctf specified but another option implies --output-format=text\n"); |
| 4456 | goto error; |
| 4457 | } |
| 4458 | } |
| 4459 | |
| 4460 | /* |
| 4461 | * If -o dummy and -o ctf were not specified, and if there are |
| 4462 | * no explicit sink components, then use an implicit |
| 4463 | * `sink.text.pretty` component. |
| 4464 | */ |
| 4465 | if (!implicit_dummy_args.exists && !implicit_ctf_output_args.exists && |
| 4466 | !sink_names) { |
| 4467 | implicit_text_args.exists = true; |
| 4468 | } |
| 4469 | |
| 4470 | /* |
| 4471 | * Set implicit `sink.text.pretty` or `sink.ctf.fs` component's |
| 4472 | * `path` parameter if --output was specified. |
| 4473 | */ |
| 4474 | if (output) { |
| 4475 | if (implicit_text_args.exists) { |
| 4476 | append_implicit_component_extra_param(&implicit_text_args, |
| 4477 | "path", output); |
| 4478 | } else if (implicit_ctf_output_args.exists) { |
| 4479 | append_implicit_component_extra_param(&implicit_ctf_output_args, |
| 4480 | "path", output); |
| 4481 | } |
| 4482 | } |
| 4483 | |
| 4484 | /* Decide where the leftover argument(s) go */ |
| 4485 | if (bt_value_array_get_size(leftovers) > 0) { |
| 4486 | if (implicit_lttng_live_args.exists) { |
| 4487 | const bt_value *bt_val_leftover; |
| 4488 | |
| 4489 | if (bt_value_array_get_size(leftovers) > 1) { |
| 4490 | printf_err("Too many URLs specified for --output-format=lttng-live\n"); |
| 4491 | goto error; |
| 4492 | } |
| 4493 | |
| 4494 | bt_val_leftover = bt_value_array_borrow_element_by_index_const(leftovers, 0); |
| 4495 | lttng_live_url_parts = |
| 4496 | bt_common_parse_lttng_live_url(bt_value_string_get(bt_val_leftover), |
| 4497 | error_buf, sizeof(error_buf)); |
| 4498 | if (!lttng_live_url_parts.proto) { |
| 4499 | printf_err("Invalid LTTng live URL format: %s\n", |
| 4500 | error_buf); |
| 4501 | goto error; |
| 4502 | } |
| 4503 | |
| 4504 | if (!lttng_live_url_parts.session_name) { |
| 4505 | /* Print LTTng live sessions */ |
| 4506 | cfg = bt_config_print_lttng_live_sessions_create( |
| 4507 | plugin_paths); |
| 4508 | if (!cfg) { |
| 4509 | goto error; |
| 4510 | } |
| 4511 | |
| 4512 | g_string_assign(cfg->cmd_data.print_lttng_live_sessions.url, |
| 4513 | bt_value_string_get(bt_val_leftover)); |
| 4514 | |
| 4515 | if (output) { |
| 4516 | g_string_assign( |
| 4517 | cfg->cmd_data.print_lttng_live_sessions.output_path, |
| 4518 | output); |
| 4519 | } |
| 4520 | |
| 4521 | goto end; |
| 4522 | } |
| 4523 | |
| 4524 | ret = append_implicit_component_extra_param( |
| 4525 | &implicit_lttng_live_args, "url", |
| 4526 | bt_value_string_get(bt_val_leftover)); |
| 4527 | if (ret) { |
| 4528 | goto error; |
| 4529 | } |
| 4530 | |
| 4531 | ret = append_implicit_component_extra_param( |
| 4532 | &implicit_lttng_live_args, |
| 4533 | "session-not-found-action", "end"); |
| 4534 | if (ret) { |
| 4535 | goto error; |
| 4536 | } |
| 4537 | } else { |
| 4538 | /* |
| 4539 | * Create one source.ctf.fs component, pass it an array |
| 4540 | * with the leftovers. |
| 4541 | * Note that it still has to be named later. |
| 4542 | */ |
| 4543 | implicit_ctf_input_args.exists = true; |
| 4544 | ret = append_parameter_to_args(implicit_ctf_input_args.extra_params, |
| 4545 | "paths", leftovers); |
| 4546 | if (ret) { |
| 4547 | goto error; |
| 4548 | } |
| 4549 | } |
| 4550 | } |
| 4551 | |
| 4552 | /* |
| 4553 | * Ensure mutual exclusion between implicit `source.ctf.fs` and |
| 4554 | * `source.ctf.lttng-live` components. |
| 4555 | */ |
| 4556 | if (implicit_ctf_input_args.exists && implicit_lttng_live_args.exists) { |
| 4557 | printf_err("Cannot create both implicit `%s` and `%s` components\n", |
| 4558 | implicit_ctf_input_args.comp_arg->str, |
| 4559 | implicit_lttng_live_args.comp_arg->str); |
| 4560 | goto error; |
| 4561 | } |
| 4562 | |
| 4563 | /* |
| 4564 | * If the implicit `source.ctf.fs` or `source.ctf.lttng-live` |
| 4565 | * components exists, make sure there's at least one leftover |
| 4566 | * (which is the path or URL). |
| 4567 | */ |
| 4568 | if (implicit_ctf_input_args.exists && bt_value_array_is_empty(leftovers)) { |
| 4569 | printf_err("Missing path for implicit `%s` component\n", |
| 4570 | implicit_ctf_input_args.comp_arg->str); |
| 4571 | goto error; |
| 4572 | } |
| 4573 | |
| 4574 | if (implicit_lttng_live_args.exists && bt_value_array_is_empty(leftovers)) { |
| 4575 | printf_err("Missing URL for implicit `%s` component\n", |
| 4576 | implicit_lttng_live_args.comp_arg->str); |
| 4577 | goto error; |
| 4578 | } |
| 4579 | |
| 4580 | /* Assign names to implicit components */ |
| 4581 | ret = assign_name_to_implicit_component(&implicit_ctf_input_args, |
| 4582 | "source-ctf-fs", all_names, &source_names, true); |
| 4583 | if (ret) { |
| 4584 | goto error; |
| 4585 | } |
| 4586 | |
| 4587 | ret = assign_name_to_implicit_component(&implicit_lttng_live_args, |
| 4588 | "lttng-live", all_names, &source_names, true); |
| 4589 | if (ret) { |
| 4590 | goto error; |
| 4591 | } |
| 4592 | |
| 4593 | ret = assign_name_to_implicit_component(&implicit_text_args, |
| 4594 | "pretty", all_names, &sink_names, true); |
| 4595 | if (ret) { |
| 4596 | goto error; |
| 4597 | } |
| 4598 | |
| 4599 | ret = assign_name_to_implicit_component(&implicit_ctf_output_args, |
| 4600 | "sink-ctf-fs", all_names, &sink_names, true); |
| 4601 | if (ret) { |
| 4602 | goto error; |
| 4603 | } |
| 4604 | |
| 4605 | ret = assign_name_to_implicit_component(&implicit_dummy_args, |
| 4606 | "dummy", all_names, &sink_names, true); |
| 4607 | if (ret) { |
| 4608 | goto error; |
| 4609 | } |
| 4610 | |
| 4611 | ret = assign_name_to_implicit_component(&implicit_muxer_args, |
| 4612 | "muxer", all_names, NULL, false); |
| 4613 | if (ret) { |
| 4614 | goto error; |
| 4615 | } |
| 4616 | |
| 4617 | ret = assign_name_to_implicit_component(&implicit_trimmer_args, |
| 4618 | "trimmer", all_names, NULL, false); |
| 4619 | if (ret) { |
| 4620 | goto error; |
| 4621 | } |
| 4622 | |
| 4623 | ret = assign_name_to_implicit_component(&implicit_debug_info_args, |
| 4624 | "debug-info", all_names, NULL, false); |
| 4625 | if (ret) { |
| 4626 | goto error; |
| 4627 | } |
| 4628 | |
| 4629 | /* Make sure there's at least one source and one sink */ |
| 4630 | if (!source_names) { |
| 4631 | printf_err("No source component\n"); |
| 4632 | goto error; |
| 4633 | } |
| 4634 | |
| 4635 | if (!sink_names) { |
| 4636 | printf_err("No sink component\n"); |
| 4637 | goto error; |
| 4638 | } |
| 4639 | |
| 4640 | /* |
| 4641 | * Prepend the muxer, the trimmer, and the debug info to the |
| 4642 | * filter chain so that we have: |
| 4643 | * |
| 4644 | * sources -> muxer -> [trimmer] -> [debug info] -> |
| 4645 | * [user filters] -> sinks |
| 4646 | */ |
| 4647 | if (implicit_debug_info_args.exists) { |
| 4648 | if (g_list_prepend_gstring(&filter_names, |
| 4649 | implicit_debug_info_args.name_arg->str)) { |
| 4650 | goto error; |
| 4651 | } |
| 4652 | } |
| 4653 | |
| 4654 | if (implicit_trimmer_args.exists) { |
| 4655 | if (g_list_prepend_gstring(&filter_names, |
| 4656 | implicit_trimmer_args.name_arg->str)) { |
| 4657 | goto error; |
| 4658 | } |
| 4659 | } |
| 4660 | |
| 4661 | if (g_list_prepend_gstring(&filter_names, |
| 4662 | implicit_muxer_args.name_arg->str)) { |
| 4663 | goto error; |
| 4664 | } |
| 4665 | |
| 4666 | /* |
| 4667 | * Append the equivalent run arguments for the implicit |
| 4668 | * components. |
| 4669 | */ |
| 4670 | ret = append_run_args_for_implicit_component(&implicit_ctf_input_args, run_args); |
| 4671 | if (ret) { |
| 4672 | goto error; |
| 4673 | } |
| 4674 | |
| 4675 | ret = append_run_args_for_implicit_component(&implicit_lttng_live_args, |
| 4676 | run_args); |
| 4677 | if (ret) { |
| 4678 | goto error; |
| 4679 | } |
| 4680 | |
| 4681 | ret = append_run_args_for_implicit_component(&implicit_text_args, |
| 4682 | run_args); |
| 4683 | if (ret) { |
| 4684 | goto error; |
| 4685 | } |
| 4686 | |
| 4687 | ret = append_run_args_for_implicit_component(&implicit_ctf_output_args, |
| 4688 | run_args); |
| 4689 | if (ret) { |
| 4690 | goto error; |
| 4691 | } |
| 4692 | |
| 4693 | ret = append_run_args_for_implicit_component(&implicit_dummy_args, |
| 4694 | run_args); |
| 4695 | if (ret) { |
| 4696 | goto error; |
| 4697 | } |
| 4698 | |
| 4699 | ret = append_run_args_for_implicit_component(&implicit_muxer_args, |
| 4700 | run_args); |
| 4701 | if (ret) { |
| 4702 | goto error; |
| 4703 | } |
| 4704 | |
| 4705 | ret = append_run_args_for_implicit_component(&implicit_trimmer_args, |
| 4706 | run_args); |
| 4707 | if (ret) { |
| 4708 | goto error; |
| 4709 | } |
| 4710 | |
| 4711 | ret = append_run_args_for_implicit_component(&implicit_debug_info_args, |
| 4712 | run_args); |
| 4713 | if (ret) { |
| 4714 | goto error; |
| 4715 | } |
| 4716 | |
| 4717 | /* Auto-connect components */ |
| 4718 | ret = convert_auto_connect(run_args, source_names, filter_names, |
| 4719 | sink_names); |
| 4720 | if (ret) { |
| 4721 | printf_err("Cannot auto-connect components\n"); |
| 4722 | goto error; |
| 4723 | } |
| 4724 | |
| 4725 | /* |
| 4726 | * We have all the run command arguments now. Depending on |
| 4727 | * --run-args, we pass this to the run command or print them |
| 4728 | * here. |
| 4729 | */ |
| 4730 | if (print_run_args || print_run_args_0) { |
| 4731 | if (stream_intersection_mode) { |
| 4732 | printf_err("Cannot specify --stream-intersection with --run-args or --run-args-0\n"); |
| 4733 | goto error; |
| 4734 | } |
| 4735 | |
| 4736 | for (i = 0; i < bt_value_array_get_size(run_args); i++) { |
| 4737 | const bt_value *arg_value = |
| 4738 | bt_value_array_borrow_element_by_index(run_args, |
| 4739 | i); |
| 4740 | const char *arg; |
| 4741 | GString *quoted = NULL; |
| 4742 | const char *arg_to_print; |
| 4743 | |
| 4744 | BT_ASSERT(arg_value); |
| 4745 | arg = bt_value_string_get(arg_value); |
| 4746 | |
| 4747 | if (print_run_args) { |
| 4748 | quoted = bt_common_shell_quote(arg, true); |
| 4749 | if (!quoted) { |
| 4750 | goto error; |
| 4751 | } |
| 4752 | |
| 4753 | arg_to_print = quoted->str; |
| 4754 | } else { |
| 4755 | arg_to_print = arg; |
| 4756 | } |
| 4757 | |
| 4758 | printf("%s", arg_to_print); |
| 4759 | |
| 4760 | if (quoted) { |
| 4761 | g_string_free(quoted, TRUE); |
| 4762 | } |
| 4763 | |
| 4764 | if (i < bt_value_array_get_size(run_args) - 1) { |
| 4765 | if (print_run_args) { |
| 4766 | putchar(' '); |
| 4767 | } else { |
| 4768 | putchar('\0'); |
| 4769 | } |
| 4770 | } |
| 4771 | } |
| 4772 | |
| 4773 | *retcode = -1; |
| 4774 | BT_OBJECT_PUT_REF_AND_RESET(cfg); |
| 4775 | goto end; |
| 4776 | } |
| 4777 | |
| 4778 | cfg = bt_config_run_from_args_array(run_args, retcode, |
| 4779 | force_omit_system_plugin_path, |
| 4780 | force_omit_home_plugin_path, |
| 4781 | initial_plugin_paths); |
| 4782 | if (!cfg) { |
| 4783 | goto error; |
| 4784 | } |
| 4785 | |
| 4786 | cfg->cmd_data.run.stream_intersection_mode = stream_intersection_mode; |
| 4787 | goto end; |
| 4788 | |
| 4789 | error: |
| 4790 | *retcode = 1; |
| 4791 | BT_OBJECT_PUT_REF_AND_RESET(cfg); |
| 4792 | |
| 4793 | end: |
| 4794 | if (pc) { |
| 4795 | poptFreeContext(pc); |
| 4796 | } |
| 4797 | |
| 4798 | free(arg); |
| 4799 | free(output); |
| 4800 | |
| 4801 | if (cur_name) { |
| 4802 | g_string_free(cur_name, TRUE); |
| 4803 | } |
| 4804 | |
| 4805 | if (cur_name_prefix) { |
| 4806 | g_string_free(cur_name_prefix, TRUE); |
| 4807 | } |
| 4808 | |
| 4809 | bt_value_put_ref(run_args); |
| 4810 | bt_value_put_ref(all_names); |
| 4811 | destroy_glist_of_gstring(source_names); |
| 4812 | destroy_glist_of_gstring(filter_names); |
| 4813 | destroy_glist_of_gstring(sink_names); |
| 4814 | bt_value_put_ref(leftovers); |
| 4815 | finalize_implicit_component_args(&implicit_ctf_input_args); |
| 4816 | finalize_implicit_component_args(&implicit_ctf_output_args); |
| 4817 | finalize_implicit_component_args(&implicit_lttng_live_args); |
| 4818 | finalize_implicit_component_args(&implicit_dummy_args); |
| 4819 | finalize_implicit_component_args(&implicit_text_args); |
| 4820 | finalize_implicit_component_args(&implicit_debug_info_args); |
| 4821 | finalize_implicit_component_args(&implicit_muxer_args); |
| 4822 | finalize_implicit_component_args(&implicit_trimmer_args); |
| 4823 | bt_value_put_ref(plugin_paths); |
| 4824 | bt_common_destroy_lttng_live_url_parts(<tng_live_url_parts); |
| 4825 | return cfg; |
| 4826 | } |
| 4827 | |
| 4828 | /* |
| 4829 | * Prints the Babeltrace 2.x general usage. |
| 4830 | */ |
| 4831 | static |
| 4832 | void print_gen_usage(FILE *fp) |
| 4833 | { |
| 4834 | fprintf(fp, "Usage: babeltrace [GENERAL OPTIONS] [COMMAND] [COMMAND ARGUMENTS]\n"); |
| 4835 | fprintf(fp, "\n"); |
| 4836 | fprintf(fp, "General options:\n"); |
| 4837 | fprintf(fp, "\n"); |
| 4838 | fprintf(fp, " -d, --debug Enable debug mode (same as --log-level=V)\n"); |
| 4839 | fprintf(fp, " -h, --help Show this help and quit\n"); |
| 4840 | fprintf(fp, " -l, --log-level=LVL Set all log levels to LVL (`N`, `V`, `D`,\n"); |
| 4841 | fprintf(fp, " `I`, `W` (default), `E`, or `F`)\n"); |
| 4842 | fprintf(fp, " -v, --verbose Enable verbose mode (same as --log-level=I)\n"); |
| 4843 | fprintf(fp, " -V, --version Show version and quit\n"); |
| 4844 | fprintf(fp, "\n"); |
| 4845 | fprintf(fp, "Available commands:\n"); |
| 4846 | fprintf(fp, "\n"); |
| 4847 | fprintf(fp, " convert Convert and trim traces (default)\n"); |
| 4848 | fprintf(fp, " help Get help for a plugin or a component class\n"); |
| 4849 | fprintf(fp, " list-plugins List available plugins and their content\n"); |
| 4850 | fprintf(fp, " query Query objects from a component class\n"); |
| 4851 | fprintf(fp, " run Build a processing graph and run it\n"); |
| 4852 | fprintf(fp, "\n"); |
| 4853 | fprintf(fp, "Use `babeltrace COMMAND --help` to show the help of COMMAND.\n"); |
| 4854 | } |
| 4855 | |
| 4856 | static |
| 4857 | char log_level_from_arg(const char *arg) |
| 4858 | { |
| 4859 | char level = 'U'; |
| 4860 | |
| 4861 | if (strcmp(arg, "VERBOSE") == 0 || |
| 4862 | strcmp(arg, "V") == 0) { |
| 4863 | level = 'V'; |
| 4864 | } else if (strcmp(arg, "DEBUG") == 0 || |
| 4865 | strcmp(arg, "D") == 0) { |
| 4866 | level = 'D'; |
| 4867 | } else if (strcmp(arg, "INFO") == 0 || |
| 4868 | strcmp(arg, "I") == 0) { |
| 4869 | level = 'I'; |
| 4870 | } else if (strcmp(arg, "WARN") == 0 || |
| 4871 | strcmp(arg, "WARNING") == 0 || |
| 4872 | strcmp(arg, "W") == 0) { |
| 4873 | level = 'W'; |
| 4874 | } else if (strcmp(arg, "ERROR") == 0 || |
| 4875 | strcmp(arg, "E") == 0) { |
| 4876 | level = 'E'; |
| 4877 | } else if (strcmp(arg, "FATAL") == 0 || |
| 4878 | strcmp(arg, "F") == 0) { |
| 4879 | level = 'F'; |
| 4880 | } else if (strcmp(arg, "NONE") == 0 || |
| 4881 | strcmp(arg, "N") == 0) { |
| 4882 | level = 'N'; |
| 4883 | } |
| 4884 | |
| 4885 | return level; |
| 4886 | } |
| 4887 | |
| 4888 | struct bt_config *bt_config_cli_args_create(int argc, const char *argv[], |
| 4889 | int *retcode, bool force_omit_system_plugin_path, |
| 4890 | bool force_omit_home_plugin_path, |
| 4891 | const bt_value *initial_plugin_paths) |
| 4892 | { |
| 4893 | struct bt_config *config = NULL; |
| 4894 | int i; |
| 4895 | const char **command_argv = NULL; |
| 4896 | int command_argc = -1; |
| 4897 | const char *command_name = NULL; |
| 4898 | char log_level = 'U'; |
| 4899 | |
| 4900 | enum command_type { |
| 4901 | COMMAND_TYPE_NONE = -1, |
| 4902 | COMMAND_TYPE_RUN = 0, |
| 4903 | COMMAND_TYPE_CONVERT, |
| 4904 | COMMAND_TYPE_LIST_PLUGINS, |
| 4905 | COMMAND_TYPE_HELP, |
| 4906 | COMMAND_TYPE_QUERY, |
| 4907 | } command_type = COMMAND_TYPE_NONE; |
| 4908 | |
| 4909 | *retcode = -1; |
| 4910 | |
| 4911 | if (!initial_plugin_paths) { |
| 4912 | initial_plugin_paths = bt_value_array_create(); |
| 4913 | if (!initial_plugin_paths) { |
| 4914 | *retcode = 1; |
| 4915 | goto end; |
| 4916 | } |
| 4917 | } else { |
| 4918 | bt_value_get_ref(initial_plugin_paths); |
| 4919 | } |
| 4920 | |
| 4921 | if (argc <= 1) { |
| 4922 | print_version(); |
| 4923 | puts(""); |
| 4924 | print_gen_usage(stdout); |
| 4925 | goto end; |
| 4926 | } |
| 4927 | |
| 4928 | for (i = 1; i < argc; i++) { |
| 4929 | const char *cur_arg = argv[i]; |
| 4930 | const char *next_arg = i == (argc - 1) ? NULL : argv[i + 1]; |
| 4931 | |
| 4932 | if (strcmp(cur_arg, "-d") == 0 || |
| 4933 | strcmp(cur_arg, "--debug") == 0) { |
| 4934 | log_level = 'V'; |
| 4935 | } else if (strcmp(cur_arg, "-v") == 0 || |
| 4936 | strcmp(cur_arg, "--verbose") == 0) { |
| 4937 | if (log_level != 'V' && log_level != 'D') { |
| 4938 | /* |
| 4939 | * Legacy: do not override a previous |
| 4940 | * --debug because --verbose and --debug |
| 4941 | * can be specified together (in this |
| 4942 | * case we want the lowest log level to |
| 4943 | * apply, VERBOSE). |
| 4944 | */ |
| 4945 | log_level = 'I'; |
| 4946 | } |
| 4947 | } else if (strcmp(cur_arg, "--log-level") == 0 || |
| 4948 | strcmp(cur_arg, "-l") == 0) { |
| 4949 | if (!next_arg) { |
| 4950 | printf_err("Missing log level value for --log-level option\n"); |
| 4951 | *retcode = 1; |
| 4952 | goto end; |
| 4953 | } |
| 4954 | |
| 4955 | log_level = log_level_from_arg(next_arg); |
| 4956 | if (log_level == 'U') { |
| 4957 | printf_err("Invalid argument for --log-level option:\n %s\n", |
| 4958 | next_arg); |
| 4959 | *retcode = 1; |
| 4960 | goto end; |
| 4961 | } |
| 4962 | |
| 4963 | i++; |
| 4964 | } else if (strncmp(cur_arg, "--log-level=", 12) == 0) { |
| 4965 | const char *arg = &cur_arg[12]; |
| 4966 | |
| 4967 | log_level = log_level_from_arg(arg); |
| 4968 | if (log_level == 'U') { |
| 4969 | printf_err("Invalid argument for --log-level option:\n %s\n", |
| 4970 | arg); |
| 4971 | *retcode = 1; |
| 4972 | goto end; |
| 4973 | } |
| 4974 | } else if (strncmp(cur_arg, "-l", 2) == 0) { |
| 4975 | const char *arg = &cur_arg[2]; |
| 4976 | |
| 4977 | log_level = log_level_from_arg(arg); |
| 4978 | if (log_level == 'U') { |
| 4979 | printf_err("Invalid argument for --log-level option:\n %s\n", |
| 4980 | arg); |
| 4981 | *retcode = 1; |
| 4982 | goto end; |
| 4983 | } |
| 4984 | } else if (strcmp(cur_arg, "-V") == 0 || |
| 4985 | strcmp(cur_arg, "--version") == 0) { |
| 4986 | print_version(); |
| 4987 | goto end; |
| 4988 | } else if (strcmp(cur_arg, "-h") == 0 || |
| 4989 | strcmp(cur_arg, "--help") == 0) { |
| 4990 | print_gen_usage(stdout); |
| 4991 | goto end; |
| 4992 | } else { |
| 4993 | /* |
| 4994 | * First unknown argument: is it a known command |
| 4995 | * name? |
| 4996 | */ |
| 4997 | command_argv = &argv[i]; |
| 4998 | command_argc = argc - i; |
| 4999 | |
| 5000 | if (strcmp(cur_arg, "convert") == 0) { |
| 5001 | command_type = COMMAND_TYPE_CONVERT; |
| 5002 | } else if (strcmp(cur_arg, "list-plugins") == 0) { |
| 5003 | command_type = COMMAND_TYPE_LIST_PLUGINS; |
| 5004 | } else if (strcmp(cur_arg, "help") == 0) { |
| 5005 | command_type = COMMAND_TYPE_HELP; |
| 5006 | } else if (strcmp(cur_arg, "query") == 0) { |
| 5007 | command_type = COMMAND_TYPE_QUERY; |
| 5008 | } else if (strcmp(cur_arg, "run") == 0) { |
| 5009 | command_type = COMMAND_TYPE_RUN; |
| 5010 | } else { |
| 5011 | /* |
| 5012 | * Unknown argument, but not a known |
| 5013 | * command name: assume the default |
| 5014 | * `convert` command. |
| 5015 | */ |
| 5016 | command_type = COMMAND_TYPE_CONVERT; |
| 5017 | command_name = "convert"; |
| 5018 | command_argv = &argv[i - 1]; |
| 5019 | command_argc = argc - i + 1; |
| 5020 | } |
| 5021 | break; |
| 5022 | } |
| 5023 | } |
| 5024 | |
| 5025 | if (command_type == COMMAND_TYPE_NONE) { |
| 5026 | /* |
| 5027 | * We only got non-help, non-version general options |
| 5028 | * like --verbose and --debug, without any other |
| 5029 | * arguments, so we can't do anything useful: print the |
| 5030 | * usage and quit. |
| 5031 | */ |
| 5032 | print_gen_usage(stdout); |
| 5033 | goto end; |
| 5034 | } |
| 5035 | |
| 5036 | BT_ASSERT(command_argv); |
| 5037 | BT_ASSERT(command_argc >= 0); |
| 5038 | |
| 5039 | switch (command_type) { |
| 5040 | case COMMAND_TYPE_RUN: |
| 5041 | config = bt_config_run_from_args(command_argc, command_argv, |
| 5042 | retcode, force_omit_system_plugin_path, |
| 5043 | force_omit_home_plugin_path, initial_plugin_paths); |
| 5044 | break; |
| 5045 | case COMMAND_TYPE_CONVERT: |
| 5046 | config = bt_config_convert_from_args(command_argc, command_argv, |
| 5047 | retcode, force_omit_system_plugin_path, |
| 5048 | force_omit_home_plugin_path, |
| 5049 | initial_plugin_paths, &log_level); |
| 5050 | break; |
| 5051 | case COMMAND_TYPE_LIST_PLUGINS: |
| 5052 | config = bt_config_list_plugins_from_args(command_argc, |
| 5053 | command_argv, retcode, force_omit_system_plugin_path, |
| 5054 | force_omit_home_plugin_path, initial_plugin_paths); |
| 5055 | break; |
| 5056 | case COMMAND_TYPE_HELP: |
| 5057 | config = bt_config_help_from_args(command_argc, |
| 5058 | command_argv, retcode, force_omit_system_plugin_path, |
| 5059 | force_omit_home_plugin_path, initial_plugin_paths); |
| 5060 | break; |
| 5061 | case COMMAND_TYPE_QUERY: |
| 5062 | config = bt_config_query_from_args(command_argc, |
| 5063 | command_argv, retcode, force_omit_system_plugin_path, |
| 5064 | force_omit_home_plugin_path, initial_plugin_paths); |
| 5065 | break; |
| 5066 | default: |
| 5067 | abort(); |
| 5068 | } |
| 5069 | |
| 5070 | if (config) { |
| 5071 | if (log_level == 'U') { |
| 5072 | log_level = 'W'; |
| 5073 | } |
| 5074 | |
| 5075 | config->log_level = log_level; |
| 5076 | config->command_name = command_name; |
| 5077 | } |
| 5078 | |
| 5079 | end: |
| 5080 | bt_value_put_ref(initial_plugin_paths); |
| 5081 | return config; |
| 5082 | } |