| 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 | #include <errno.h> |
| 26 | #include <stdlib.h> |
| 27 | #include <string.h> |
| 28 | #include <assert.h> |
| 29 | #include <stdio.h> |
| 30 | #include <stdbool.h> |
| 31 | #include <inttypes.h> |
| 32 | #include <babeltrace/babeltrace.h> |
| 33 | #include <babeltrace/values.h> |
| 34 | #include <popt.h> |
| 35 | #include <glib.h> |
| 36 | #include <sys/types.h> |
| 37 | #include <pwd.h> |
| 38 | #include "babeltrace-cfg.h" |
| 39 | |
| 40 | #define SYSTEM_PLUGIN_PATH INSTALL_LIBDIR "/babeltrace/plugins" |
| 41 | #define DEFAULT_SOURCE_COMPONENT_NAME "ctf.fs" |
| 42 | #define DEFAULT_SINK_COMPONENT_NAME "text.text" |
| 43 | #define HOME_ENV_VAR "HOME" |
| 44 | #define HOME_SUBPATH "/.babeltrace/plugins" |
| 45 | |
| 46 | /* |
| 47 | * Error printf() macro which prepends "Error: " the first time it's |
| 48 | * called. This gives a nicer feel than having a bunch of error prefixes |
| 49 | * (since the following lines usually describe the error and possible |
| 50 | * solutions), or the error prefix just at the end. |
| 51 | */ |
| 52 | #define printf_err(fmt, args...) \ |
| 53 | do { \ |
| 54 | if (is_first_error) { \ |
| 55 | fprintf(stderr, "Error: "); \ |
| 56 | is_first_error = false; \ |
| 57 | } \ |
| 58 | fprintf(stderr, fmt, ##args); \ |
| 59 | } while (0) |
| 60 | |
| 61 | static bool is_first_error = true; |
| 62 | |
| 63 | /* INI-style parsing FSM states */ |
| 64 | enum ini_parsing_fsm_state { |
| 65 | /* Expect a map key (identifier) */ |
| 66 | INI_EXPECT_MAP_KEY, |
| 67 | |
| 68 | /* Expect an equal character ('=') */ |
| 69 | INI_EXPECT_EQUAL, |
| 70 | |
| 71 | /* Expect a value */ |
| 72 | INI_EXPECT_VALUE, |
| 73 | |
| 74 | /* Expect a negative number value */ |
| 75 | INI_EXPECT_VALUE_NUMBER_NEG, |
| 76 | |
| 77 | /* Expect a comma character (',') */ |
| 78 | INI_EXPECT_COMMA, |
| 79 | }; |
| 80 | |
| 81 | /* INI-style parsing state variables */ |
| 82 | struct ini_parsing_state { |
| 83 | /* Lexical scanner (owned by this) */ |
| 84 | GScanner *scanner; |
| 85 | |
| 86 | /* Output map value object being filled (owned by this) */ |
| 87 | struct bt_value *params; |
| 88 | |
| 89 | /* Next expected FSM state */ |
| 90 | enum ini_parsing_fsm_state expecting; |
| 91 | |
| 92 | /* Last decoded map key (owned by this) */ |
| 93 | char *last_map_key; |
| 94 | |
| 95 | /* Complete INI-style string to parse (not owned by this) */ |
| 96 | const char *arg; |
| 97 | |
| 98 | /* Error buffer (not owned by this) */ |
| 99 | GString *ini_error; |
| 100 | }; |
| 101 | |
| 102 | /* Offset option with "is set" boolean */ |
| 103 | struct offset_opt { |
| 104 | int64_t value; |
| 105 | bool is_set; |
| 106 | }; |
| 107 | |
| 108 | /* Legacy "ctf"/"lttng-live" format options */ |
| 109 | struct ctf_legacy_opts { |
| 110 | struct offset_opt offset_s; |
| 111 | struct offset_opt offset_ns; |
| 112 | bool stream_intersection; |
| 113 | }; |
| 114 | |
| 115 | /* Legacy "text" format options */ |
| 116 | struct text_legacy_opts { |
| 117 | /* |
| 118 | * output, dbg_info_dir, dbg_info_target_prefix, names, |
| 119 | * and fields are owned by this. |
| 120 | */ |
| 121 | GString *output; |
| 122 | GString *dbg_info_dir; |
| 123 | GString *dbg_info_target_prefix; |
| 124 | struct bt_value *names; |
| 125 | struct bt_value *fields; |
| 126 | |
| 127 | /* Flags */ |
| 128 | bool no_delta; |
| 129 | bool clock_cycles; |
| 130 | bool clock_seconds; |
| 131 | bool clock_date; |
| 132 | bool clock_gmt; |
| 133 | bool dbg_info_full_path; |
| 134 | }; |
| 135 | |
| 136 | /* Legacy input format format */ |
| 137 | enum legacy_input_format { |
| 138 | LEGACY_INPUT_FORMAT_NONE = 0, |
| 139 | LEGACY_INPUT_FORMAT_CTF, |
| 140 | LEGACY_INPUT_FORMAT_LTTNG_LIVE, |
| 141 | }; |
| 142 | |
| 143 | /* Legacy output format format */ |
| 144 | enum legacy_output_format { |
| 145 | LEGACY_OUTPUT_FORMAT_NONE = 0, |
| 146 | LEGACY_OUTPUT_FORMAT_TEXT, |
| 147 | LEGACY_OUTPUT_FORMAT_CTF_METADATA, |
| 148 | LEGACY_OUTPUT_FORMAT_DUMMY, |
| 149 | }; |
| 150 | |
| 151 | static bool omit_system_plugin_path; |
| 152 | static bool omit_home_plugin_path; |
| 153 | |
| 154 | /* |
| 155 | * Prints the "out of memory" error. |
| 156 | */ |
| 157 | static |
| 158 | void print_err_oom(void) |
| 159 | { |
| 160 | printf_err("Out of memory\n"); |
| 161 | } |
| 162 | |
| 163 | /* |
| 164 | * Prints duplicate legacy output format error. |
| 165 | */ |
| 166 | static |
| 167 | void print_err_dup_legacy_output(void) |
| 168 | { |
| 169 | printf_err("More than one legacy output format specified\n"); |
| 170 | } |
| 171 | |
| 172 | /* |
| 173 | * Prints duplicate legacy input format error. |
| 174 | */ |
| 175 | static |
| 176 | void print_err_dup_legacy_input(void) |
| 177 | { |
| 178 | printf_err("More than one legacy input format specified\n"); |
| 179 | } |
| 180 | |
| 181 | /* |
| 182 | * Checks if any of the "text" legacy options is set. |
| 183 | */ |
| 184 | static |
| 185 | bool text_legacy_opts_is_any_set(struct text_legacy_opts *opts) |
| 186 | { |
| 187 | return (opts->output && opts->output->len > 0) || |
| 188 | (opts->dbg_info_dir && opts->dbg_info_dir->len > 0) || |
| 189 | (opts->dbg_info_target_prefix && |
| 190 | opts->dbg_info_target_prefix->len > 0) || |
| 191 | bt_value_array_size(opts->names) > 0 || |
| 192 | bt_value_array_size(opts->fields) > 0 || |
| 193 | opts->no_delta || opts->clock_cycles || opts->clock_seconds || |
| 194 | opts->clock_date || opts->clock_gmt || |
| 195 | opts->dbg_info_full_path; |
| 196 | } |
| 197 | |
| 198 | /* |
| 199 | * Checks if any of the "ctf" legacy options is set. |
| 200 | */ |
| 201 | static |
| 202 | bool ctf_legacy_opts_is_any_set(struct ctf_legacy_opts *opts) |
| 203 | { |
| 204 | return opts->offset_s.is_set || opts->offset_ns.is_set || |
| 205 | opts->stream_intersection; |
| 206 | } |
| 207 | |
| 208 | /* |
| 209 | * Appends an "expecting token" error to the INI-style parsing state's |
| 210 | * error buffer. |
| 211 | */ |
| 212 | static |
| 213 | void ini_append_error_expecting(struct ini_parsing_state *state, |
| 214 | GScanner *scanner, const char *expecting) |
| 215 | { |
| 216 | size_t i; |
| 217 | size_t pos; |
| 218 | |
| 219 | g_string_append_printf(state->ini_error, "Expecting %s:\n", expecting); |
| 220 | |
| 221 | /* Only print error if there's one line */ |
| 222 | if (strchr(state->arg, '\n') != NULL || strlen(state->arg) == 0) { |
| 223 | return; |
| 224 | } |
| 225 | |
| 226 | g_string_append_printf(state->ini_error, "\n %s\n", state->arg); |
| 227 | pos = g_scanner_cur_position(scanner) + 4; |
| 228 | |
| 229 | if (!g_scanner_eof(scanner)) { |
| 230 | pos--; |
| 231 | } |
| 232 | |
| 233 | for (i = 0; i < pos; ++i) { |
| 234 | g_string_append_printf(state->ini_error, " "); |
| 235 | } |
| 236 | |
| 237 | g_string_append_printf(state->ini_error, "^\n\n"); |
| 238 | } |
| 239 | |
| 240 | static |
| 241 | int ini_handle_state(struct ini_parsing_state *state) |
| 242 | { |
| 243 | int ret = 0; |
| 244 | GTokenType token_type; |
| 245 | struct bt_value *value = NULL; |
| 246 | |
| 247 | token_type = g_scanner_get_next_token(state->scanner); |
| 248 | if (token_type == G_TOKEN_EOF) { |
| 249 | if (state->expecting != INI_EXPECT_COMMA) { |
| 250 | switch (state->expecting) { |
| 251 | case INI_EXPECT_EQUAL: |
| 252 | ini_append_error_expecting(state, |
| 253 | state->scanner, "'='"); |
| 254 | break; |
| 255 | case INI_EXPECT_VALUE: |
| 256 | case INI_EXPECT_VALUE_NUMBER_NEG: |
| 257 | ini_append_error_expecting(state, |
| 258 | state->scanner, "value"); |
| 259 | break; |
| 260 | case INI_EXPECT_MAP_KEY: |
| 261 | ini_append_error_expecting(state, |
| 262 | state->scanner, "unquoted map key"); |
| 263 | break; |
| 264 | default: |
| 265 | break; |
| 266 | } |
| 267 | goto error; |
| 268 | } |
| 269 | |
| 270 | /* We're done! */ |
| 271 | ret = 1; |
| 272 | goto success; |
| 273 | } |
| 274 | |
| 275 | switch (state->expecting) { |
| 276 | case INI_EXPECT_MAP_KEY: |
| 277 | if (token_type != G_TOKEN_IDENTIFIER) { |
| 278 | ini_append_error_expecting(state, state->scanner, |
| 279 | "unquoted map key"); |
| 280 | goto error; |
| 281 | } |
| 282 | |
| 283 | free(state->last_map_key); |
| 284 | state->last_map_key = |
| 285 | strdup(state->scanner->value.v_identifier); |
| 286 | if (!state->last_map_key) { |
| 287 | g_string_append(state->ini_error, |
| 288 | "Out of memory\n"); |
| 289 | goto error; |
| 290 | } |
| 291 | |
| 292 | if (bt_value_map_has_key(state->params, state->last_map_key)) { |
| 293 | g_string_append_printf(state->ini_error, |
| 294 | "Duplicate parameter key: `%s`\n", |
| 295 | state->last_map_key); |
| 296 | goto error; |
| 297 | } |
| 298 | |
| 299 | state->expecting = INI_EXPECT_EQUAL; |
| 300 | goto success; |
| 301 | case INI_EXPECT_EQUAL: |
| 302 | if (token_type != G_TOKEN_CHAR) { |
| 303 | ini_append_error_expecting(state, |
| 304 | state->scanner, "'='"); |
| 305 | goto error; |
| 306 | } |
| 307 | |
| 308 | if (state->scanner->value.v_char != '=') { |
| 309 | ini_append_error_expecting(state, |
| 310 | state->scanner, "'='"); |
| 311 | goto error; |
| 312 | } |
| 313 | |
| 314 | state->expecting = INI_EXPECT_VALUE; |
| 315 | goto success; |
| 316 | case INI_EXPECT_VALUE: |
| 317 | { |
| 318 | switch (token_type) { |
| 319 | case G_TOKEN_CHAR: |
| 320 | if (state->scanner->value.v_char == '-') { |
| 321 | /* Negative number */ |
| 322 | state->expecting = |
| 323 | INI_EXPECT_VALUE_NUMBER_NEG; |
| 324 | goto success; |
| 325 | } else { |
| 326 | ini_append_error_expecting(state, |
| 327 | state->scanner, "value"); |
| 328 | goto error; |
| 329 | } |
| 330 | break; |
| 331 | case G_TOKEN_INT: |
| 332 | { |
| 333 | /* Positive integer */ |
| 334 | uint64_t int_val = state->scanner->value.v_int64; |
| 335 | |
| 336 | if (int_val > (1ULL << 63) - 1) { |
| 337 | g_string_append_printf(state->ini_error, |
| 338 | "Integer value %" PRIu64 " is outside the range of a 64-bit signed integer\n", |
| 339 | int_val); |
| 340 | goto error; |
| 341 | } |
| 342 | |
| 343 | value = bt_value_integer_create_init( |
| 344 | (int64_t) int_val); |
| 345 | break; |
| 346 | } |
| 347 | case G_TOKEN_FLOAT: |
| 348 | /* Positive floating point number */ |
| 349 | value = bt_value_float_create_init( |
| 350 | state->scanner->value.v_float); |
| 351 | break; |
| 352 | case G_TOKEN_STRING: |
| 353 | /* Quoted string */ |
| 354 | value = bt_value_string_create_init( |
| 355 | state->scanner->value.v_string); |
| 356 | break; |
| 357 | case G_TOKEN_IDENTIFIER: |
| 358 | { |
| 359 | /* |
| 360 | * Using symbols would be appropriate here, |
| 361 | * but said symbols are allowed as map key, |
| 362 | * so it's easier to consider everything an |
| 363 | * identifier. |
| 364 | * |
| 365 | * If one of the known symbols is not |
| 366 | * recognized here, then fall back to creating |
| 367 | * a string value. |
| 368 | */ |
| 369 | const char *id = state->scanner->value.v_identifier; |
| 370 | |
| 371 | if (!strcmp(id, "null") || !strcmp(id, "NULL") || |
| 372 | !strcmp(id, "nul")) { |
| 373 | value = bt_value_null; |
| 374 | } else if (!strcmp(id, "true") || !strcmp(id, "TRUE") || |
| 375 | !strcmp(id, "yes") || |
| 376 | !strcmp(id, "YES")) { |
| 377 | value = bt_value_bool_create_init(true); |
| 378 | } else if (!strcmp(id, "false") || |
| 379 | !strcmp(id, "FALSE") || |
| 380 | !strcmp(id, "no") || |
| 381 | !strcmp(id, "NO")) { |
| 382 | value = bt_value_bool_create_init(false); |
| 383 | } else { |
| 384 | value = bt_value_string_create_init(id); |
| 385 | } |
| 386 | break; |
| 387 | } |
| 388 | default: |
| 389 | /* Unset value variable will trigger the error */ |
| 390 | break; |
| 391 | } |
| 392 | |
| 393 | if (!value) { |
| 394 | ini_append_error_expecting(state, |
| 395 | state->scanner, "value"); |
| 396 | goto error; |
| 397 | } |
| 398 | |
| 399 | state->expecting = INI_EXPECT_COMMA; |
| 400 | goto success; |
| 401 | } |
| 402 | case INI_EXPECT_VALUE_NUMBER_NEG: |
| 403 | { |
| 404 | switch (token_type) { |
| 405 | case G_TOKEN_INT: |
| 406 | { |
| 407 | /* Negative integer */ |
| 408 | uint64_t int_val = state->scanner->value.v_int64; |
| 409 | |
| 410 | if (int_val > (1ULL << 63) - 1) { |
| 411 | g_string_append_printf(state->ini_error, |
| 412 | "Integer value -%" PRIu64 " is outside the range of a 64-bit signed integer\n", |
| 413 | int_val); |
| 414 | goto error; |
| 415 | } |
| 416 | |
| 417 | value = bt_value_integer_create_init( |
| 418 | -((int64_t) int_val)); |
| 419 | break; |
| 420 | } |
| 421 | case G_TOKEN_FLOAT: |
| 422 | /* Negative floating point number */ |
| 423 | value = bt_value_float_create_init( |
| 424 | -state->scanner->value.v_float); |
| 425 | break; |
| 426 | default: |
| 427 | /* Unset value variable will trigger the error */ |
| 428 | break; |
| 429 | } |
| 430 | |
| 431 | if (!value) { |
| 432 | ini_append_error_expecting(state, |
| 433 | state->scanner, "value"); |
| 434 | goto error; |
| 435 | } |
| 436 | |
| 437 | state->expecting = INI_EXPECT_COMMA; |
| 438 | goto success; |
| 439 | } |
| 440 | case INI_EXPECT_COMMA: |
| 441 | if (token_type != G_TOKEN_CHAR) { |
| 442 | ini_append_error_expecting(state, |
| 443 | state->scanner, "','"); |
| 444 | goto error; |
| 445 | } |
| 446 | |
| 447 | if (state->scanner->value.v_char != ',') { |
| 448 | ini_append_error_expecting(state, |
| 449 | state->scanner, "','"); |
| 450 | goto error; |
| 451 | } |
| 452 | |
| 453 | state->expecting = INI_EXPECT_MAP_KEY; |
| 454 | goto success; |
| 455 | default: |
| 456 | assert(false); |
| 457 | } |
| 458 | |
| 459 | error: |
| 460 | ret = -1; |
| 461 | goto end; |
| 462 | |
| 463 | success: |
| 464 | if (value) { |
| 465 | if (bt_value_map_insert(state->params, |
| 466 | state->last_map_key, value)) { |
| 467 | /* Only override return value on error */ |
| 468 | ret = -1; |
| 469 | } |
| 470 | } |
| 471 | |
| 472 | end: |
| 473 | BT_PUT(value); |
| 474 | return ret; |
| 475 | } |
| 476 | |
| 477 | /* |
| 478 | * Converts an INI-style argument to an equivalent map value object. |
| 479 | * |
| 480 | * Return value is owned by the caller. |
| 481 | */ |
| 482 | static |
| 483 | struct bt_value *bt_value_from_ini(const char *arg, GString *ini_error) |
| 484 | { |
| 485 | /* Lexical scanner configuration */ |
| 486 | GScannerConfig scanner_config = { |
| 487 | /* Skip whitespaces */ |
| 488 | .cset_skip_characters = " \t\n", |
| 489 | |
| 490 | /* Identifier syntax is: [a-zA-Z_][a-zA-Z0-9_.:-]* */ |
| 491 | .cset_identifier_first = |
| 492 | G_CSET_a_2_z |
| 493 | "_" |
| 494 | G_CSET_A_2_Z, |
| 495 | .cset_identifier_nth = |
| 496 | G_CSET_a_2_z |
| 497 | "_0123456789-.:" |
| 498 | G_CSET_A_2_Z, |
| 499 | |
| 500 | /* "hello" and "Hello" two different keys */ |
| 501 | .case_sensitive = TRUE, |
| 502 | |
| 503 | /* No comments */ |
| 504 | .cpair_comment_single = NULL, |
| 505 | .skip_comment_multi = TRUE, |
| 506 | .skip_comment_single = TRUE, |
| 507 | .scan_comment_multi = FALSE, |
| 508 | |
| 509 | /* |
| 510 | * Do scan identifiers, including 1-char identifiers, |
| 511 | * but NULL is a normal identifier. |
| 512 | */ |
| 513 | .scan_identifier = TRUE, |
| 514 | .scan_identifier_1char = TRUE, |
| 515 | .scan_identifier_NULL = FALSE, |
| 516 | |
| 517 | /* |
| 518 | * No specific symbols: null and boolean "symbols" are |
| 519 | * scanned as plain identifiers. |
| 520 | */ |
| 521 | .scan_symbols = FALSE, |
| 522 | .symbol_2_token = FALSE, |
| 523 | .scope_0_fallback = FALSE, |
| 524 | |
| 525 | /* |
| 526 | * Scan "0b"-, "0"-, and "0x"-prefixed integers, but not |
| 527 | * integers prefixed with "$". |
| 528 | */ |
| 529 | .scan_binary = TRUE, |
| 530 | .scan_octal = TRUE, |
| 531 | .scan_float = TRUE, |
| 532 | .scan_hex = TRUE, |
| 533 | .scan_hex_dollar = FALSE, |
| 534 | |
| 535 | /* Convert scanned numbers to integer tokens */ |
| 536 | .numbers_2_int = TRUE, |
| 537 | |
| 538 | /* Support both integers and floating-point numbers */ |
| 539 | .int_2_float = FALSE, |
| 540 | |
| 541 | /* Scan integers as 64-bit signed integers */ |
| 542 | .store_int64 = TRUE, |
| 543 | |
| 544 | /* Only scan double-quoted strings */ |
| 545 | .scan_string_sq = FALSE, |
| 546 | .scan_string_dq = TRUE, |
| 547 | |
| 548 | /* Do not converter identifiers to string tokens */ |
| 549 | .identifier_2_string = FALSE, |
| 550 | |
| 551 | /* Scan characters as G_TOKEN_CHAR token */ |
| 552 | .char_2_token = FALSE, |
| 553 | }; |
| 554 | struct ini_parsing_state state = { |
| 555 | .scanner = NULL, |
| 556 | .params = NULL, |
| 557 | .expecting = INI_EXPECT_MAP_KEY, |
| 558 | .arg = arg, |
| 559 | .ini_error = ini_error, |
| 560 | }; |
| 561 | |
| 562 | state.params = bt_value_map_create(); |
| 563 | if (!state.params) { |
| 564 | goto error; |
| 565 | } |
| 566 | |
| 567 | state.scanner = g_scanner_new(&scanner_config); |
| 568 | if (!state.scanner) { |
| 569 | goto error; |
| 570 | } |
| 571 | |
| 572 | /* Let the scan begin */ |
| 573 | g_scanner_input_text(state.scanner, arg, strlen(arg)); |
| 574 | |
| 575 | while (true) { |
| 576 | int ret = ini_handle_state(&state); |
| 577 | |
| 578 | if (ret < 0) { |
| 579 | /* Error */ |
| 580 | goto error; |
| 581 | } else if (ret > 0) { |
| 582 | /* Done */ |
| 583 | break; |
| 584 | } |
| 585 | } |
| 586 | |
| 587 | goto end; |
| 588 | |
| 589 | error: |
| 590 | BT_PUT(state.params); |
| 591 | |
| 592 | end: |
| 593 | if (state.scanner) { |
| 594 | g_scanner_destroy(state.scanner); |
| 595 | } |
| 596 | |
| 597 | free(state.last_map_key); |
| 598 | return state.params; |
| 599 | } |
| 600 | |
| 601 | /* |
| 602 | * Returns the parameters map value object from a command-line |
| 603 | * parameter option's argument. |
| 604 | * |
| 605 | * Return value is owned by the caller. |
| 606 | */ |
| 607 | static |
| 608 | struct bt_value *bt_value_from_arg(const char *arg) |
| 609 | { |
| 610 | struct bt_value *params = NULL; |
| 611 | GString *ini_error = NULL; |
| 612 | |
| 613 | ini_error = g_string_new(NULL); |
| 614 | if (!ini_error) { |
| 615 | print_err_oom(); |
| 616 | goto end; |
| 617 | } |
| 618 | |
| 619 | /* Try INI-style parsing */ |
| 620 | params = bt_value_from_ini(arg, ini_error); |
| 621 | if (!params) { |
| 622 | printf_err("%s", ini_error->str); |
| 623 | goto end; |
| 624 | } |
| 625 | |
| 626 | end: |
| 627 | if (ini_error) { |
| 628 | g_string_free(ini_error, TRUE); |
| 629 | } |
| 630 | return params; |
| 631 | } |
| 632 | |
| 633 | /* |
| 634 | * Returns the plugin and component names from a command-line |
| 635 | * source/sink option's argument. arg must have the following format: |
| 636 | * |
| 637 | * PLUGIN.COMPONENT |
| 638 | * |
| 639 | * where PLUGIN is the plugin name, and COMPONENT is the component |
| 640 | * name. |
| 641 | * |
| 642 | * On success, both *plugin and *component are not NULL. *plugin |
| 643 | * and *component are owned by the caller. |
| 644 | */ |
| 645 | static |
| 646 | void plugin_component_names_from_arg(const char *arg, char **plugin, |
| 647 | char **component) |
| 648 | { |
| 649 | const char *dot; |
| 650 | const char *end; |
| 651 | size_t plugin_len; |
| 652 | size_t component_len; |
| 653 | |
| 654 | /* Initialize both return values to NULL: not found */ |
| 655 | *plugin = NULL; |
| 656 | *component = NULL; |
| 657 | |
| 658 | dot = strchr(arg, '.'); |
| 659 | if (!dot) { |
| 660 | /* No dot */ |
| 661 | goto end; |
| 662 | } |
| 663 | |
| 664 | end = arg + strlen(arg); |
| 665 | plugin_len = dot - arg; |
| 666 | component_len = end - dot - 1; |
| 667 | if (plugin_len == 0 || component_len == 0) { |
| 668 | goto end; |
| 669 | } |
| 670 | |
| 671 | *plugin = g_malloc0(plugin_len + 1); |
| 672 | if (!*plugin) { |
| 673 | print_err_oom(); |
| 674 | goto end; |
| 675 | } |
| 676 | |
| 677 | g_strlcpy(*plugin, arg, plugin_len + 1); |
| 678 | *component = g_malloc0(component_len + 1); |
| 679 | if (!*component) { |
| 680 | print_err_oom(); |
| 681 | goto end; |
| 682 | } |
| 683 | |
| 684 | g_strlcpy(*component, dot + 1, component_len + 1); |
| 685 | |
| 686 | end: |
| 687 | return; |
| 688 | } |
| 689 | |
| 690 | /* |
| 691 | * Prints the Babeltrace version. |
| 692 | */ |
| 693 | static |
| 694 | void print_version(void) |
| 695 | { |
| 696 | puts("Babeltrace " VERSION); |
| 697 | } |
| 698 | |
| 699 | /* |
| 700 | * Prints the legacy, Babeltrace 1.x command usage. Those options are |
| 701 | * still compatible in Babeltrace 2.x, but it is recommended to use |
| 702 | * the more generic plugin/component parameters instead of those |
| 703 | * hard-coded option names. |
| 704 | */ |
| 705 | static |
| 706 | void print_legacy_usage(FILE *fp) |
| 707 | { |
| 708 | fprintf(fp, "Usage: babeltrace [OPTIONS] INPUT...\n"); |
| 709 | fprintf(fp, "\n"); |
| 710 | fprintf(fp, "The following options are compatible with the Babeltrace 1.x options:\n"); |
| 711 | fprintf(fp, "\n"); |
| 712 | fprintf(fp, " --help-legacy Show this help\n"); |
| 713 | fprintf(fp, " -V, --version Show version\n"); |
| 714 | fprintf(fp, " --clock-force-correlate Assume that clocks are inherently correlated\n"); |
| 715 | fprintf(fp, " across traces\n"); |
| 716 | fprintf(fp, " -d, --debug Enable debug mode\n"); |
| 717 | fprintf(fp, " -i, --input-format=FORMAT Input trace format (default: ctf)\n"); |
| 718 | fprintf(fp, " -l, --list List available formats\n"); |
| 719 | fprintf(fp, " -o, --output-format=FORMAT Output trace format (default: text)\n"); |
| 720 | fprintf(fp, " -v, --verbose Enable verbose output\n"); |
| 721 | fprintf(fp, "\n"); |
| 722 | fprintf(fp, " Available input formats: ctf, lttng-live, ctf-metadata\n"); |
| 723 | fprintf(fp, " Available output formats: text, dummy\n"); |
| 724 | fprintf(fp, "\n"); |
| 725 | fprintf(fp, "Input formats specific options:\n"); |
| 726 | fprintf(fp, "\n"); |
| 727 | fprintf(fp, " INPUT... Input trace file(s), directory(ies), or URLs\n"); |
| 728 | fprintf(fp, " --clock-offset=SEC Set clock offset to SEC seconds\n"); |
| 729 | fprintf(fp, " --clock-offset-ns=NS Set clock offset to NS nanoseconds\n"); |
| 730 | fprintf(fp, " --stream-intersection Only process events when all streams are active\n"); |
| 731 | fprintf(fp, "\n"); |
| 732 | fprintf(fp, "text output format specific options:\n"); |
| 733 | fprintf(fp, " \n"); |
| 734 | fprintf(fp, " --clock-cycles Print timestamps in clock cycles\n"); |
| 735 | fprintf(fp, " --clock-date Print timestamp dates\n"); |
| 736 | fprintf(fp, " --clock-gmt Print and parse timestamps in GMT time zone\n"); |
| 737 | fprintf(fp, " (default: local time zone)\n"); |
| 738 | fprintf(fp, " --clock-seconds Print the timestamps as [SEC.NS]\n"); |
| 739 | fprintf(fp, " (default format: [HH:MM:SS.NS])\n"); |
| 740 | fprintf(fp, " --debug-info-dir=DIR Search for debug info in directory DIR\n"); |
| 741 | fprintf(fp, " (default: `/usr/lib/debug`)\n"); |
| 742 | fprintf(fp, " --debug-info-full-path Show full debug info source and binary paths\n"); |
| 743 | fprintf(fp, " --debug-info-target-prefix=DIR Use directory DIR as a prefix when looking\n"); |
| 744 | fprintf(fp, " up executables during debug info analysis\n"); |
| 745 | fprintf(fp, " (default: `/usr/lib/debug`)\n"); |
| 746 | fprintf(fp, " -f, --fields=NAME[,NAME]... Print additional fields:\n"); |
| 747 | fprintf(fp, " all, trace, trace:hostname, trace:domain,\n"); |
| 748 | fprintf(fp, " trace:procname, trace:vpid, loglevel, emf\n"); |
| 749 | fprintf(fp, " (default: trace:hostname, trace:procname,\n"); |
| 750 | fprintf(fp, " trace:vpid)\n"); |
| 751 | fprintf(fp, " -n, --names=NAME[,NAME]... Print field names:\n"); |
| 752 | fprintf(fp, " payload (or arg or args)\n"); |
| 753 | fprintf(fp, " none, all, scope, header, context (or ctx)\n"); |
| 754 | fprintf(fp, " (default: payload, context)\n"); |
| 755 | fprintf(fp, " --no-delta Do not print time delta between consecutive\n"); |
| 756 | fprintf(fp, " events\n"); |
| 757 | fprintf(fp, " -w, --output=PATH Write output to PATH (default: standard output)\n"); |
| 758 | } |
| 759 | |
| 760 | /* |
| 761 | * Prints the Babeltrace 2.x usage. |
| 762 | */ |
| 763 | static |
| 764 | void print_usage(FILE *fp) |
| 765 | { |
| 766 | fprintf(fp, "Usage: babeltrace [OPTIONS]\n"); |
| 767 | fprintf(fp, "\n"); |
| 768 | fprintf(fp, " -b, --base-params=PARAMS Set PARAMS as the current base parameters\n"); |
| 769 | fprintf(fp, " of the following source and sink component\n"); |
| 770 | fprintf(fp, " instances (see the exact format of PARAMS\n"); |
| 771 | fprintf(fp, " below)\n"); |
| 772 | fprintf(fp, " -d, --debug Enable debug mode\n"); |
| 773 | fprintf(fp, " -l, --list List available plugins and their components\n"); |
| 774 | fprintf(fp, " -P, --path=PATH Set the `path` parameter of the latest source\n"); |
| 775 | fprintf(fp, " or sink component to PATH\n"); |
| 776 | fprintf(fp, " -p, --params=PARAMS Set the parameters of the latest source or\n"); |
| 777 | fprintf(fp, " sink component instance (in command-line \n"); |
| 778 | fprintf(fp, " order) to PARAMS (see the exact format of\n"); |
| 779 | fprintf(fp, " PARAMS below)\n"); |
| 780 | fprintf(fp, " --plugin-path=PATH[:PATH]... Set paths from which dynamic plugins can be\n"); |
| 781 | fprintf(fp, " loaded to PATH\n"); |
| 782 | fprintf(fp, " -r, --reset-base-params Reset the current base parameters of the\n"); |
| 783 | fprintf(fp, " following source and sink component\n"); |
| 784 | fprintf(fp, " instances to an empty map\n"); |
| 785 | fprintf(fp, " -o, --sink=PLUGIN.COMPCLS Instantiate a sink component from plugin\n"); |
| 786 | fprintf(fp, " PLUGIN and component class COMPCLS (may be\n"); |
| 787 | fprintf(fp, " repeated)\n"); |
| 788 | fprintf(fp, " -i, --source=PLUGIN.COMPCLS Instantiate a source component from plugin\n"); |
| 789 | fprintf(fp, " PLUGIN and component class COMPCLS (may be\n"); |
| 790 | fprintf(fp, " repeated)\n"); |
| 791 | fprintf(fp, " --begin Start time: [YYYY-MM-DD [hh:mm:]]ss[.nnnnnnnnn]\n"); |
| 792 | fprintf(fp, " --end End time: [YYYY-MM-DD [hh:mm:]]ss[.nnnnnnnnn]\n"); |
| 793 | fprintf(fp, " --timerange Time range: begin,end or [begin,end] (where [] are actual brackets)\n"); |
| 794 | fprintf(fp, " --omit-system-plugin-path Omit system plugins from plugin search path\n"); |
| 795 | fprintf(fp, " --omit-home-plugin-path Omit home plugins from plugin search path\n"); |
| 796 | fprintf(fp, " -h --help Show this help\n"); |
| 797 | fprintf(fp, " --help-legacy Show Babeltrace 1.x legacy options\n"); |
| 798 | fprintf(fp, " -v, --verbose Enable verbose output\n"); |
| 799 | fprintf(fp, " -V, --version Show version\n"); |
| 800 | fprintf(fp, "\n\n"); |
| 801 | fprintf(fp, "Format of PARAMS\n"); |
| 802 | fprintf(fp, "----------------\n"); |
| 803 | fprintf(fp, "\n"); |
| 804 | fprintf(fp, " PARAM=VALUE[,PARAM=VALUE]...\n"); |
| 805 | fprintf(fp, "\n"); |
| 806 | fprintf(fp, "The parameter string is a comma-separated list of PARAM=VALUE assignments,\n"); |
| 807 | fprintf(fp, "where PARAM is the parameter name (C identifier plus [:.-] characters), and\n"); |
| 808 | fprintf(fp, "VALUE can be one of:\n"); |
| 809 | fprintf(fp, "\n"); |
| 810 | fprintf(fp, "* `null`, `nul`, `NULL`: null value (no backticks).\n"); |
| 811 | fprintf(fp, "* `true`, `TRUE`, `yes`, `YES`: true boolean value (no backticks).\n"); |
| 812 | fprintf(fp, "* `false`, `FALSE`, `no`, `NO`: false boolean value (no backticks).\n"); |
| 813 | fprintf(fp, "* Binary (`0b` prefix), octal (`0` prefix), decimal, or hexadecimal\n"); |
| 814 | fprintf(fp, " (`0x` prefix) signed 64-bit integer.\n"); |
| 815 | fprintf(fp, "* Double precision floating point number (scientific notation is accepted).\n"); |
| 816 | fprintf(fp, "* Unquoted string with no special characters, and not matching any of\n"); |
| 817 | fprintf(fp, " the null and boolean value symbols above.\n"); |
| 818 | fprintf(fp, "* Double-quoted string (accepts escape characters).\n"); |
| 819 | fprintf(fp, "\n"); |
| 820 | fprintf(fp, "Whitespaces are allowed around individual `=` and `,` tokens.\n"); |
| 821 | fprintf(fp, "\n"); |
| 822 | fprintf(fp, "Example:\n"); |
| 823 | fprintf(fp, "\n"); |
| 824 | fprintf(fp, " many=null, fresh=yes, condition=false, squirrel=-782329,\n"); |
| 825 | fprintf(fp, " observe=3.14, simple=beef, needs-quotes=\"some string\",\n"); |
| 826 | fprintf(fp, " escape.chars-are:allowed=\"this is a \\\" double quote\"\n"); |
| 827 | fprintf(fp, "\n"); |
| 828 | fprintf(fp, "IMPORTANT: Make sure to single-quote the whole argument when you run babeltrace\n"); |
| 829 | fprintf(fp, "from a shell.\n"); |
| 830 | } |
| 831 | |
| 832 | /* |
| 833 | * Destroys a component configuration. |
| 834 | */ |
| 835 | static |
| 836 | void bt_config_component_destroy(struct bt_object *obj) |
| 837 | { |
| 838 | struct bt_config_component *bt_config_component = |
| 839 | container_of(obj, struct bt_config_component, base); |
| 840 | |
| 841 | if (!obj) { |
| 842 | goto end; |
| 843 | } |
| 844 | |
| 845 | if (bt_config_component->plugin_name) { |
| 846 | g_string_free(bt_config_component->plugin_name, TRUE); |
| 847 | } |
| 848 | |
| 849 | if (bt_config_component->component_name) { |
| 850 | g_string_free(bt_config_component->component_name, TRUE); |
| 851 | } |
| 852 | |
| 853 | BT_PUT(bt_config_component->params); |
| 854 | g_free(bt_config_component); |
| 855 | |
| 856 | end: |
| 857 | return; |
| 858 | } |
| 859 | |
| 860 | /* |
| 861 | * Creates a component configuration using the given plugin name and |
| 862 | * component name. plugin_name and component_name are copied (belong to |
| 863 | * the return value). |
| 864 | * |
| 865 | * Return value is owned by the caller. |
| 866 | */ |
| 867 | static |
| 868 | struct bt_config_component *bt_config_component_create(const char *plugin_name, |
| 869 | const char *component_name) |
| 870 | { |
| 871 | struct bt_config_component *cfg_component = NULL; |
| 872 | |
| 873 | cfg_component = g_new0(struct bt_config_component, 1); |
| 874 | if (!cfg_component) { |
| 875 | print_err_oom(); |
| 876 | goto error; |
| 877 | } |
| 878 | |
| 879 | bt_object_init(cfg_component, bt_config_component_destroy); |
| 880 | cfg_component->plugin_name = g_string_new(plugin_name); |
| 881 | if (!cfg_component->plugin_name) { |
| 882 | print_err_oom(); |
| 883 | goto error; |
| 884 | } |
| 885 | |
| 886 | cfg_component->component_name = g_string_new(component_name); |
| 887 | if (!cfg_component->component_name) { |
| 888 | print_err_oom(); |
| 889 | goto error; |
| 890 | } |
| 891 | |
| 892 | /* Start with empty parameters */ |
| 893 | cfg_component->params = bt_value_map_create(); |
| 894 | if (!cfg_component->params) { |
| 895 | print_err_oom(); |
| 896 | goto error; |
| 897 | } |
| 898 | |
| 899 | goto end; |
| 900 | |
| 901 | error: |
| 902 | BT_PUT(cfg_component); |
| 903 | |
| 904 | end: |
| 905 | return cfg_component; |
| 906 | } |
| 907 | |
| 908 | /* |
| 909 | * Creates a component configuration from a command-line source/sink |
| 910 | * option's argument. |
| 911 | */ |
| 912 | static |
| 913 | struct bt_config_component *bt_config_component_from_arg(const char *arg) |
| 914 | { |
| 915 | struct bt_config_component *bt_config_component = NULL; |
| 916 | char *plugin_name; |
| 917 | char *component_name; |
| 918 | |
| 919 | plugin_component_names_from_arg(arg, &plugin_name, &component_name); |
| 920 | if (!plugin_name || !component_name) { |
| 921 | printf_err("Cannot get plugin or component class name\n"); |
| 922 | goto error; |
| 923 | } |
| 924 | |
| 925 | bt_config_component = bt_config_component_create(plugin_name, |
| 926 | component_name); |
| 927 | if (!bt_config_component) { |
| 928 | goto error; |
| 929 | } |
| 930 | |
| 931 | goto end; |
| 932 | |
| 933 | error: |
| 934 | BT_PUT(bt_config_component); |
| 935 | |
| 936 | end: |
| 937 | g_free(plugin_name); |
| 938 | g_free(component_name); |
| 939 | return bt_config_component; |
| 940 | } |
| 941 | |
| 942 | /* |
| 943 | * Destroys a configuration. |
| 944 | */ |
| 945 | static |
| 946 | void bt_config_destroy(struct bt_object *obj) |
| 947 | { |
| 948 | struct bt_config *bt_config = |
| 949 | container_of(obj, struct bt_config, base); |
| 950 | |
| 951 | if (!obj) { |
| 952 | goto end; |
| 953 | } |
| 954 | |
| 955 | if (bt_config->sources) { |
| 956 | g_ptr_array_free(bt_config->sources, TRUE); |
| 957 | } |
| 958 | |
| 959 | if (bt_config->sinks) { |
| 960 | g_ptr_array_free(bt_config->sinks, TRUE); |
| 961 | } |
| 962 | |
| 963 | BT_PUT(bt_config->plugin_paths); |
| 964 | g_free(bt_config); |
| 965 | |
| 966 | end: |
| 967 | return; |
| 968 | } |
| 969 | |
| 970 | static |
| 971 | bool is_setuid_setgid(void) |
| 972 | { |
| 973 | return (geteuid() != getuid() || getegid() != getgid()); |
| 974 | } |
| 975 | |
| 976 | /* |
| 977 | * Extracts the various paths from the string arg, delimited by ':', |
| 978 | * and converts them to an array value object. |
| 979 | * |
| 980 | * Returned array value object is empty if arg is empty. |
| 981 | * |
| 982 | * Return value is owned by the caller. |
| 983 | */ |
| 984 | static |
| 985 | enum bt_value_status plugin_paths_from_arg(struct bt_value *plugin_paths, |
| 986 | const char *arg) |
| 987 | { |
| 988 | const char *at = arg; |
| 989 | const char *end = arg + strlen(arg); |
| 990 | |
| 991 | while (at < end) { |
| 992 | int ret; |
| 993 | GString *path; |
| 994 | const char *next_colon; |
| 995 | |
| 996 | next_colon = strchr(at, ':'); |
| 997 | if (next_colon == at) { |
| 998 | /* |
| 999 | * Empty path: try next character (supported |
| 1000 | * to conform to the typical parsing of $PATH). |
| 1001 | */ |
| 1002 | at++; |
| 1003 | continue; |
| 1004 | } else if (!next_colon) { |
| 1005 | /* No more colon: use the remaining */ |
| 1006 | next_colon = arg + strlen(arg); |
| 1007 | } |
| 1008 | |
| 1009 | path = g_string_new(NULL); |
| 1010 | if (!path) { |
| 1011 | print_err_oom(); |
| 1012 | goto error; |
| 1013 | } |
| 1014 | |
| 1015 | g_string_append_len(path, at, next_colon - at); |
| 1016 | at = next_colon + 1; |
| 1017 | ret = bt_value_array_append_string(plugin_paths, path->str); |
| 1018 | g_string_free(path, TRUE); |
| 1019 | if (ret) { |
| 1020 | print_err_oom(); |
| 1021 | goto error; |
| 1022 | } |
| 1023 | } |
| 1024 | |
| 1025 | return BT_VALUE_STATUS_OK; |
| 1026 | error: |
| 1027 | return BT_VALUE_STATUS_ERROR; |
| 1028 | } |
| 1029 | |
| 1030 | /* |
| 1031 | * Creates a simple lexical scanner for parsing comma-delimited names |
| 1032 | * and fields. |
| 1033 | * |
| 1034 | * Return value is owned by the caller. |
| 1035 | */ |
| 1036 | static |
| 1037 | GScanner *create_csv_identifiers_scanner(void) |
| 1038 | { |
| 1039 | GScannerConfig scanner_config = { |
| 1040 | .cset_skip_characters = " \t\n", |
| 1041 | .cset_identifier_first = G_CSET_a_2_z G_CSET_A_2_Z "_", |
| 1042 | .cset_identifier_nth = G_CSET_a_2_z G_CSET_A_2_Z ":_-", |
| 1043 | .case_sensitive = TRUE, |
| 1044 | .cpair_comment_single = NULL, |
| 1045 | .skip_comment_multi = TRUE, |
| 1046 | .skip_comment_single = TRUE, |
| 1047 | .scan_comment_multi = FALSE, |
| 1048 | .scan_identifier = TRUE, |
| 1049 | .scan_identifier_1char = TRUE, |
| 1050 | .scan_identifier_NULL = FALSE, |
| 1051 | .scan_symbols = FALSE, |
| 1052 | .symbol_2_token = FALSE, |
| 1053 | .scope_0_fallback = FALSE, |
| 1054 | .scan_binary = FALSE, |
| 1055 | .scan_octal = FALSE, |
| 1056 | .scan_float = FALSE, |
| 1057 | .scan_hex = FALSE, |
| 1058 | .scan_hex_dollar = FALSE, |
| 1059 | .numbers_2_int = FALSE, |
| 1060 | .int_2_float = FALSE, |
| 1061 | .store_int64 = FALSE, |
| 1062 | .scan_string_sq = FALSE, |
| 1063 | .scan_string_dq = FALSE, |
| 1064 | .identifier_2_string = FALSE, |
| 1065 | .char_2_token = TRUE, |
| 1066 | }; |
| 1067 | |
| 1068 | return g_scanner_new(&scanner_config); |
| 1069 | } |
| 1070 | |
| 1071 | /* |
| 1072 | * Inserts a string (if exists and not empty) or null to a map value |
| 1073 | * object. |
| 1074 | */ |
| 1075 | static |
| 1076 | enum bt_value_status map_insert_string_or_null(struct bt_value *map, |
| 1077 | const char *key, GString *string) |
| 1078 | { |
| 1079 | enum bt_value_status ret; |
| 1080 | |
| 1081 | if (string && string->len > 0) { |
| 1082 | ret = bt_value_map_insert_string(map, key, string->str); |
| 1083 | } else { |
| 1084 | ret = bt_value_map_insert(map, key, bt_value_null); |
| 1085 | } |
| 1086 | return ret; |
| 1087 | } |
| 1088 | |
| 1089 | /* |
| 1090 | * Converts a comma-delimited list of known names (--names option) to |
| 1091 | * an array value object containing those names as string value objects. |
| 1092 | * |
| 1093 | * Return value is owned by the caller. |
| 1094 | */ |
| 1095 | static |
| 1096 | struct bt_value *names_from_arg(const char *arg) |
| 1097 | { |
| 1098 | GScanner *scanner = NULL; |
| 1099 | struct bt_value *names = NULL; |
| 1100 | bool found_all = false, found_none = false, found_item = false; |
| 1101 | |
| 1102 | names = bt_value_array_create(); |
| 1103 | if (!names) { |
| 1104 | print_err_oom(); |
| 1105 | goto error; |
| 1106 | } |
| 1107 | |
| 1108 | scanner = create_csv_identifiers_scanner(); |
| 1109 | if (!scanner) { |
| 1110 | print_err_oom(); |
| 1111 | goto error; |
| 1112 | } |
| 1113 | |
| 1114 | g_scanner_input_text(scanner, arg, strlen(arg)); |
| 1115 | |
| 1116 | while (true) { |
| 1117 | GTokenType token_type = g_scanner_get_next_token(scanner); |
| 1118 | |
| 1119 | switch (token_type) { |
| 1120 | case G_TOKEN_IDENTIFIER: |
| 1121 | { |
| 1122 | const char *identifier = scanner->value.v_identifier; |
| 1123 | |
| 1124 | if (!strcmp(identifier, "payload") || |
| 1125 | !strcmp(identifier, "args") || |
| 1126 | !strcmp(identifier, "arg")) { |
| 1127 | found_item = true; |
| 1128 | if (bt_value_array_append_string(names, |
| 1129 | "payload")) { |
| 1130 | goto error; |
| 1131 | } |
| 1132 | } else if (!strcmp(identifier, "context") || |
| 1133 | !strcmp(identifier, "ctx")) { |
| 1134 | found_item = true; |
| 1135 | if (bt_value_array_append_string(names, |
| 1136 | "context")) { |
| 1137 | goto error; |
| 1138 | } |
| 1139 | } else if (!strcmp(identifier, "scope") || |
| 1140 | !strcmp(identifier, "header")) { |
| 1141 | found_item = true; |
| 1142 | if (bt_value_array_append_string(names, |
| 1143 | identifier)) { |
| 1144 | goto error; |
| 1145 | } |
| 1146 | } else if (!strcmp(identifier, "all")) { |
| 1147 | found_all = true; |
| 1148 | if (bt_value_array_append_string(names, |
| 1149 | identifier)) { |
| 1150 | goto error; |
| 1151 | } |
| 1152 | } else if (!strcmp(identifier, "none")) { |
| 1153 | found_none = true; |
| 1154 | if (bt_value_array_append_string(names, |
| 1155 | identifier)) { |
| 1156 | goto error; |
| 1157 | } |
| 1158 | } else { |
| 1159 | printf_err("Unknown field name: `%s`\n", |
| 1160 | identifier); |
| 1161 | goto error; |
| 1162 | } |
| 1163 | break; |
| 1164 | } |
| 1165 | case G_TOKEN_COMMA: |
| 1166 | continue; |
| 1167 | case G_TOKEN_EOF: |
| 1168 | goto end; |
| 1169 | default: |
| 1170 | goto error; |
| 1171 | } |
| 1172 | } |
| 1173 | |
| 1174 | end: |
| 1175 | if (found_none && found_all) { |
| 1176 | printf_err("Only either `all` or `none` can be specified in the list given to the --names option, but not both.\n"); |
| 1177 | goto error; |
| 1178 | } |
| 1179 | /* |
| 1180 | * Legacy behavior is to clear the defaults (show none) when at |
| 1181 | * least one item is specified. |
| 1182 | */ |
| 1183 | if (found_item && !found_none && !found_all) { |
| 1184 | if (bt_value_array_append_string(names, "none")) { |
| 1185 | goto error; |
| 1186 | } |
| 1187 | } |
| 1188 | if (scanner) { |
| 1189 | g_scanner_destroy(scanner); |
| 1190 | } |
| 1191 | return names; |
| 1192 | |
| 1193 | error: |
| 1194 | BT_PUT(names); |
| 1195 | if (scanner) { |
| 1196 | g_scanner_destroy(scanner); |
| 1197 | } |
| 1198 | return names; |
| 1199 | } |
| 1200 | |
| 1201 | |
| 1202 | /* |
| 1203 | * Converts a comma-delimited list of known fields (--fields option) to |
| 1204 | * an array value object containing those fields as string |
| 1205 | * value objects. |
| 1206 | * |
| 1207 | * Return value is owned by the caller. |
| 1208 | */ |
| 1209 | static |
| 1210 | struct bt_value *fields_from_arg(const char *arg) |
| 1211 | { |
| 1212 | GScanner *scanner = NULL; |
| 1213 | struct bt_value *fields; |
| 1214 | |
| 1215 | fields = bt_value_array_create(); |
| 1216 | if (!fields) { |
| 1217 | print_err_oom(); |
| 1218 | goto error; |
| 1219 | } |
| 1220 | |
| 1221 | scanner = create_csv_identifiers_scanner(); |
| 1222 | if (!scanner) { |
| 1223 | print_err_oom(); |
| 1224 | goto error; |
| 1225 | } |
| 1226 | |
| 1227 | g_scanner_input_text(scanner, arg, strlen(arg)); |
| 1228 | |
| 1229 | while (true) { |
| 1230 | GTokenType token_type = g_scanner_get_next_token(scanner); |
| 1231 | |
| 1232 | switch (token_type) { |
| 1233 | case G_TOKEN_IDENTIFIER: |
| 1234 | { |
| 1235 | const char *identifier = scanner->value.v_identifier; |
| 1236 | |
| 1237 | if (!strcmp(identifier, "trace") || |
| 1238 | !strcmp(identifier, "trace:hostname") || |
| 1239 | !strcmp(identifier, "trace:domain") || |
| 1240 | !strcmp(identifier, "trace:procname") || |
| 1241 | !strcmp(identifier, "trace:vpid") || |
| 1242 | !strcmp(identifier, "loglevel") || |
| 1243 | !strcmp(identifier, "emf") || |
| 1244 | !strcmp(identifier, "callsite") || |
| 1245 | !strcmp(identifier, "all")) { |
| 1246 | if (bt_value_array_append_string(fields, |
| 1247 | identifier)) { |
| 1248 | goto error; |
| 1249 | } |
| 1250 | } else { |
| 1251 | printf_err("Unknown field name: `%s`\n", |
| 1252 | identifier); |
| 1253 | goto error; |
| 1254 | } |
| 1255 | break; |
| 1256 | } |
| 1257 | case G_TOKEN_COMMA: |
| 1258 | continue; |
| 1259 | case G_TOKEN_EOF: |
| 1260 | goto end; |
| 1261 | default: |
| 1262 | goto error; |
| 1263 | } |
| 1264 | } |
| 1265 | |
| 1266 | goto end; |
| 1267 | |
| 1268 | error: |
| 1269 | BT_PUT(fields); |
| 1270 | |
| 1271 | end: |
| 1272 | if (scanner) { |
| 1273 | g_scanner_destroy(scanner); |
| 1274 | } |
| 1275 | return fields; |
| 1276 | } |
| 1277 | |
| 1278 | /* |
| 1279 | * Inserts the equivalent "prefix-name" true boolean value objects into |
| 1280 | * map_obj where the names are in array_obj. |
| 1281 | */ |
| 1282 | static |
| 1283 | int insert_flat_names_fields_from_array(struct bt_value *map_obj, |
| 1284 | struct bt_value *array_obj, const char *prefix) |
| 1285 | { |
| 1286 | int ret = 0; |
| 1287 | int i; |
| 1288 | GString *tmpstr = NULL, *default_value = NULL; |
| 1289 | |
| 1290 | /* |
| 1291 | * array_obj may be NULL if no CLI options were specified to |
| 1292 | * trigger its creation. |
| 1293 | */ |
| 1294 | if (!array_obj) { |
| 1295 | goto end; |
| 1296 | } |
| 1297 | |
| 1298 | tmpstr = g_string_new(NULL); |
| 1299 | if (!tmpstr) { |
| 1300 | print_err_oom(); |
| 1301 | ret = -1; |
| 1302 | goto end; |
| 1303 | } |
| 1304 | |
| 1305 | default_value = g_string_new(NULL); |
| 1306 | if (!default_value) { |
| 1307 | print_err_oom(); |
| 1308 | ret = -1; |
| 1309 | goto end; |
| 1310 | } |
| 1311 | |
| 1312 | for (i = 0; i < bt_value_array_size(array_obj); i++) { |
| 1313 | struct bt_value *str_obj = bt_value_array_get(array_obj, i); |
| 1314 | const char *suffix; |
| 1315 | bool is_default = false; |
| 1316 | |
| 1317 | if (!str_obj) { |
| 1318 | printf_err("Unexpected error\n"); |
| 1319 | ret = -1; |
| 1320 | goto end; |
| 1321 | } |
| 1322 | |
| 1323 | ret = bt_value_string_get(str_obj, &suffix); |
| 1324 | BT_PUT(str_obj); |
| 1325 | if (ret) { |
| 1326 | printf_err("Unexpected error\n"); |
| 1327 | goto end; |
| 1328 | } |
| 1329 | |
| 1330 | g_string_assign(tmpstr, prefix); |
| 1331 | g_string_append(tmpstr, "-"); |
| 1332 | |
| 1333 | /* Special-case for "all" and "none". */ |
| 1334 | if (!strcmp(suffix, "all")) { |
| 1335 | is_default = true; |
| 1336 | g_string_assign(default_value, "show"); |
| 1337 | } else if (!strcmp(suffix, "none")) { |
| 1338 | is_default = true; |
| 1339 | g_string_assign(default_value, "hide"); |
| 1340 | } |
| 1341 | if (is_default) { |
| 1342 | g_string_append(tmpstr, "default"); |
| 1343 | ret = map_insert_string_or_null(map_obj, |
| 1344 | tmpstr->str, |
| 1345 | default_value); |
| 1346 | if (ret) { |
| 1347 | print_err_oom(); |
| 1348 | goto end; |
| 1349 | } |
| 1350 | } else { |
| 1351 | g_string_append(tmpstr, suffix); |
| 1352 | ret = bt_value_map_insert_bool(map_obj, tmpstr->str, |
| 1353 | true); |
| 1354 | if (ret) { |
| 1355 | print_err_oom(); |
| 1356 | goto end; |
| 1357 | } |
| 1358 | } |
| 1359 | } |
| 1360 | |
| 1361 | end: |
| 1362 | if (default_value) { |
| 1363 | g_string_free(default_value, TRUE); |
| 1364 | } |
| 1365 | if (tmpstr) { |
| 1366 | g_string_free(tmpstr, TRUE); |
| 1367 | } |
| 1368 | |
| 1369 | return ret; |
| 1370 | } |
| 1371 | |
| 1372 | /* |
| 1373 | * Returns the parameters (map value object) corresponding to the |
| 1374 | * legacy text format options. |
| 1375 | * |
| 1376 | * Return value is owned by the caller. |
| 1377 | */ |
| 1378 | static |
| 1379 | struct bt_value *params_from_text_legacy_opts( |
| 1380 | struct text_legacy_opts *text_legacy_opts) |
| 1381 | { |
| 1382 | struct bt_value *params; |
| 1383 | |
| 1384 | params = bt_value_map_create(); |
| 1385 | if (!params) { |
| 1386 | print_err_oom(); |
| 1387 | goto error; |
| 1388 | } |
| 1389 | |
| 1390 | if (map_insert_string_or_null(params, "output-path", |
| 1391 | text_legacy_opts->output)) { |
| 1392 | print_err_oom(); |
| 1393 | goto error; |
| 1394 | } |
| 1395 | |
| 1396 | if (map_insert_string_or_null(params, "debug-info-dir", |
| 1397 | text_legacy_opts->dbg_info_dir)) { |
| 1398 | print_err_oom(); |
| 1399 | goto error; |
| 1400 | } |
| 1401 | |
| 1402 | if (map_insert_string_or_null(params, "debug-info-target-prefix", |
| 1403 | text_legacy_opts->dbg_info_target_prefix)) { |
| 1404 | print_err_oom(); |
| 1405 | goto error; |
| 1406 | } |
| 1407 | |
| 1408 | if (bt_value_map_insert_bool(params, "debug-info-full-path", |
| 1409 | text_legacy_opts->dbg_info_full_path)) { |
| 1410 | print_err_oom(); |
| 1411 | goto error; |
| 1412 | } |
| 1413 | |
| 1414 | if (bt_value_map_insert_bool(params, "no-delta", |
| 1415 | text_legacy_opts->no_delta)) { |
| 1416 | print_err_oom(); |
| 1417 | goto error; |
| 1418 | } |
| 1419 | |
| 1420 | if (bt_value_map_insert_bool(params, "clock-cycles", |
| 1421 | text_legacy_opts->clock_cycles)) { |
| 1422 | print_err_oom(); |
| 1423 | goto error; |
| 1424 | } |
| 1425 | |
| 1426 | if (bt_value_map_insert_bool(params, "clock-seconds", |
| 1427 | text_legacy_opts->clock_seconds)) { |
| 1428 | print_err_oom(); |
| 1429 | goto error; |
| 1430 | } |
| 1431 | |
| 1432 | if (bt_value_map_insert_bool(params, "clock-date", |
| 1433 | text_legacy_opts->clock_date)) { |
| 1434 | print_err_oom(); |
| 1435 | goto error; |
| 1436 | } |
| 1437 | |
| 1438 | if (bt_value_map_insert_bool(params, "clock-gmt", |
| 1439 | text_legacy_opts->clock_gmt)) { |
| 1440 | print_err_oom(); |
| 1441 | goto error; |
| 1442 | } |
| 1443 | |
| 1444 | if (insert_flat_names_fields_from_array(params, |
| 1445 | text_legacy_opts->names, "name")) { |
| 1446 | goto error; |
| 1447 | } |
| 1448 | |
| 1449 | if (insert_flat_names_fields_from_array(params, |
| 1450 | text_legacy_opts->fields, "field")) { |
| 1451 | goto error; |
| 1452 | } |
| 1453 | |
| 1454 | goto end; |
| 1455 | |
| 1456 | error: |
| 1457 | BT_PUT(params); |
| 1458 | |
| 1459 | end: |
| 1460 | return params; |
| 1461 | } |
| 1462 | |
| 1463 | static |
| 1464 | int append_sinks_from_legacy_opts(GPtrArray *sinks, |
| 1465 | enum legacy_output_format legacy_output_format, |
| 1466 | struct text_legacy_opts *text_legacy_opts) |
| 1467 | { |
| 1468 | int ret = 0; |
| 1469 | struct bt_value *params = NULL; |
| 1470 | const char *plugin_name; |
| 1471 | const char *component_name; |
| 1472 | struct bt_config_component *bt_config_component = NULL; |
| 1473 | |
| 1474 | switch (legacy_output_format) { |
| 1475 | case LEGACY_OUTPUT_FORMAT_TEXT: |
| 1476 | plugin_name = "text"; |
| 1477 | component_name = "text"; |
| 1478 | break; |
| 1479 | case LEGACY_OUTPUT_FORMAT_CTF_METADATA: |
| 1480 | plugin_name = "ctf"; |
| 1481 | component_name = "metadata-text"; |
| 1482 | break; |
| 1483 | case LEGACY_OUTPUT_FORMAT_DUMMY: |
| 1484 | plugin_name = "dummy"; |
| 1485 | component_name = "dummy"; |
| 1486 | break; |
| 1487 | default: |
| 1488 | assert(false); |
| 1489 | break; |
| 1490 | } |
| 1491 | |
| 1492 | if (legacy_output_format == LEGACY_OUTPUT_FORMAT_TEXT) { |
| 1493 | /* Legacy "text" output format has parameters */ |
| 1494 | params = params_from_text_legacy_opts(text_legacy_opts); |
| 1495 | if (!params) { |
| 1496 | goto error; |
| 1497 | } |
| 1498 | } else { |
| 1499 | /* |
| 1500 | * Legacy "dummy" and "ctf-metadata" output formats do |
| 1501 | * not have parameters. |
| 1502 | */ |
| 1503 | params = bt_value_map_create(); |
| 1504 | if (!params) { |
| 1505 | print_err_oom(); |
| 1506 | goto error; |
| 1507 | } |
| 1508 | } |
| 1509 | |
| 1510 | /* Create a component configuration */ |
| 1511 | bt_config_component = bt_config_component_create(plugin_name, |
| 1512 | component_name); |
| 1513 | if (!bt_config_component) { |
| 1514 | goto error; |
| 1515 | } |
| 1516 | |
| 1517 | BT_MOVE(bt_config_component->params, params); |
| 1518 | |
| 1519 | /* Move created component configuration to the array */ |
| 1520 | g_ptr_array_add(sinks, bt_config_component); |
| 1521 | |
| 1522 | goto end; |
| 1523 | |
| 1524 | error: |
| 1525 | ret = -1; |
| 1526 | |
| 1527 | end: |
| 1528 | BT_PUT(params); |
| 1529 | |
| 1530 | return ret; |
| 1531 | } |
| 1532 | |
| 1533 | /* |
| 1534 | * Returns the parameters (map value object) corresponding to the |
| 1535 | * given legacy CTF format options. |
| 1536 | * |
| 1537 | * Return value is owned by the caller. |
| 1538 | */ |
| 1539 | static |
| 1540 | struct bt_value *params_from_ctf_legacy_opts( |
| 1541 | struct ctf_legacy_opts *ctf_legacy_opts) |
| 1542 | { |
| 1543 | struct bt_value *params; |
| 1544 | |
| 1545 | params = bt_value_map_create(); |
| 1546 | if (!params) { |
| 1547 | print_err_oom(); |
| 1548 | goto error; |
| 1549 | } |
| 1550 | |
| 1551 | if (bt_value_map_insert_integer(params, "offset-s", |
| 1552 | ctf_legacy_opts->offset_s.value)) { |
| 1553 | print_err_oom(); |
| 1554 | goto error; |
| 1555 | } |
| 1556 | |
| 1557 | if (bt_value_map_insert_integer(params, "offset-ns", |
| 1558 | ctf_legacy_opts->offset_ns.value)) { |
| 1559 | print_err_oom(); |
| 1560 | goto error; |
| 1561 | } |
| 1562 | |
| 1563 | if (bt_value_map_insert_bool(params, "stream-intersection", |
| 1564 | ctf_legacy_opts->stream_intersection)) { |
| 1565 | print_err_oom(); |
| 1566 | goto error; |
| 1567 | } |
| 1568 | |
| 1569 | goto end; |
| 1570 | |
| 1571 | error: |
| 1572 | BT_PUT(params); |
| 1573 | |
| 1574 | end: |
| 1575 | return params; |
| 1576 | } |
| 1577 | |
| 1578 | static |
| 1579 | int append_sources_from_legacy_opts(GPtrArray *sources, |
| 1580 | enum legacy_input_format legacy_input_format, |
| 1581 | struct ctf_legacy_opts *ctf_legacy_opts, |
| 1582 | struct bt_value *legacy_input_paths) |
| 1583 | { |
| 1584 | int ret = 0; |
| 1585 | int i; |
| 1586 | struct bt_value *base_params; |
| 1587 | struct bt_value *params = NULL; |
| 1588 | struct bt_value *input_path = NULL; |
| 1589 | struct bt_value *input_path_copy = NULL; |
| 1590 | const char *input_key; |
| 1591 | const char *component_name; |
| 1592 | |
| 1593 | switch (legacy_input_format) { |
| 1594 | case LEGACY_INPUT_FORMAT_CTF: |
| 1595 | input_key = "path"; |
| 1596 | component_name = "fs"; |
| 1597 | break; |
| 1598 | case LEGACY_INPUT_FORMAT_LTTNG_LIVE: |
| 1599 | input_key = "url"; |
| 1600 | component_name = "lttng-live"; |
| 1601 | break; |
| 1602 | default: |
| 1603 | assert(false); |
| 1604 | break; |
| 1605 | } |
| 1606 | |
| 1607 | base_params = params_from_ctf_legacy_opts(ctf_legacy_opts); |
| 1608 | if (!base_params) { |
| 1609 | goto error; |
| 1610 | } |
| 1611 | |
| 1612 | for (i = 0; i < bt_value_array_size(legacy_input_paths); i++) { |
| 1613 | struct bt_config_component *bt_config_component = NULL; |
| 1614 | |
| 1615 | /* Copy base parameters as current parameters */ |
| 1616 | params = bt_value_copy(base_params); |
| 1617 | if (!params) { |
| 1618 | goto error; |
| 1619 | } |
| 1620 | |
| 1621 | /* Get current input path string value object */ |
| 1622 | input_path = bt_value_array_get(legacy_input_paths, i); |
| 1623 | if (!input_path) { |
| 1624 | goto error; |
| 1625 | } |
| 1626 | |
| 1627 | /* Copy current input path value object */ |
| 1628 | input_path_copy = bt_value_copy(input_path); |
| 1629 | if (!input_path_copy) { |
| 1630 | goto error; |
| 1631 | } |
| 1632 | |
| 1633 | /* Insert input path value object into current parameters */ |
| 1634 | ret = bt_value_map_insert(params, input_key, input_path_copy); |
| 1635 | if (ret) { |
| 1636 | goto error; |
| 1637 | } |
| 1638 | |
| 1639 | /* Create a component configuration */ |
| 1640 | bt_config_component = bt_config_component_create("ctf", |
| 1641 | component_name); |
| 1642 | if (!bt_config_component) { |
| 1643 | goto error; |
| 1644 | } |
| 1645 | |
| 1646 | BT_MOVE(bt_config_component->params, params); |
| 1647 | |
| 1648 | /* Move created component configuration to the array */ |
| 1649 | g_ptr_array_add(sources, bt_config_component); |
| 1650 | |
| 1651 | /* Put current stuff */ |
| 1652 | BT_PUT(input_path); |
| 1653 | BT_PUT(input_path_copy); |
| 1654 | } |
| 1655 | |
| 1656 | goto end; |
| 1657 | |
| 1658 | error: |
| 1659 | ret = -1; |
| 1660 | |
| 1661 | end: |
| 1662 | BT_PUT(base_params); |
| 1663 | BT_PUT(params); |
| 1664 | BT_PUT(input_path); |
| 1665 | BT_PUT(input_path_copy); |
| 1666 | return ret; |
| 1667 | } |
| 1668 | |
| 1669 | /* |
| 1670 | * Escapes a string for the shell. The string is escaped knowing that |
| 1671 | * it's a parameter string value (double-quoted), and that it will be |
| 1672 | * entered between single quotes in the shell. |
| 1673 | * |
| 1674 | * Return value is owned by the caller. |
| 1675 | */ |
| 1676 | static |
| 1677 | char *str_shell_escape(const char *input) |
| 1678 | { |
| 1679 | char *ret = NULL; |
| 1680 | const char *at = input; |
| 1681 | GString *str = g_string_new(NULL); |
| 1682 | |
| 1683 | if (!str) { |
| 1684 | goto end; |
| 1685 | } |
| 1686 | |
| 1687 | while (*at != '\0') { |
| 1688 | switch (*at) { |
| 1689 | case '\\': |
| 1690 | g_string_append(str, "\\\\"); |
| 1691 | break; |
| 1692 | case '"': |
| 1693 | g_string_append(str, "\\\""); |
| 1694 | break; |
| 1695 | case '\'': |
| 1696 | g_string_append(str, "'\"'\"'"); |
| 1697 | break; |
| 1698 | case '\n': |
| 1699 | g_string_append(str, "\\n"); |
| 1700 | break; |
| 1701 | case '\t': |
| 1702 | g_string_append(str, "\\t"); |
| 1703 | break; |
| 1704 | default: |
| 1705 | g_string_append_c(str, *at); |
| 1706 | break; |
| 1707 | } |
| 1708 | |
| 1709 | at++; |
| 1710 | } |
| 1711 | |
| 1712 | end: |
| 1713 | if (str) { |
| 1714 | ret = str->str; |
| 1715 | g_string_free(str, FALSE); |
| 1716 | } |
| 1717 | |
| 1718 | return ret; |
| 1719 | } |
| 1720 | |
| 1721 | static |
| 1722 | int append_prefixed_flag_params(GString *str, struct bt_value *flags, |
| 1723 | const char *prefix) |
| 1724 | { |
| 1725 | int ret = 0; |
| 1726 | int i; |
| 1727 | |
| 1728 | if (!flags) { |
| 1729 | goto end; |
| 1730 | } |
| 1731 | |
| 1732 | for (i = 0; i < bt_value_array_size(flags); i++) { |
| 1733 | struct bt_value *value = bt_value_array_get(flags, i); |
| 1734 | const char *flag; |
| 1735 | |
| 1736 | if (!value) { |
| 1737 | ret = -1; |
| 1738 | goto end; |
| 1739 | } |
| 1740 | |
| 1741 | if (bt_value_string_get(value, &flag)) { |
| 1742 | BT_PUT(value); |
| 1743 | ret = -1; |
| 1744 | goto end; |
| 1745 | } |
| 1746 | |
| 1747 | g_string_append_printf(str, ",%s-%s=true", prefix, flag); |
| 1748 | BT_PUT(value); |
| 1749 | } |
| 1750 | |
| 1751 | end: |
| 1752 | return ret; |
| 1753 | } |
| 1754 | |
| 1755 | /* |
| 1756 | * Appends a boolean parameter string. |
| 1757 | */ |
| 1758 | static |
| 1759 | void g_string_append_bool_param(GString *str, const char *name, bool value) |
| 1760 | { |
| 1761 | g_string_append_printf(str, ",%s=%s", name, value ? "true" : "false"); |
| 1762 | } |
| 1763 | |
| 1764 | /* |
| 1765 | * Appends a path parameter string, or null if it's empty. |
| 1766 | */ |
| 1767 | static |
| 1768 | int g_string_append_string_path_param(GString *str, const char *name, |
| 1769 | GString *path) |
| 1770 | { |
| 1771 | int ret = 0; |
| 1772 | |
| 1773 | if (path->len > 0) { |
| 1774 | char *escaped_path = str_shell_escape(path->str); |
| 1775 | |
| 1776 | if (!escaped_path) { |
| 1777 | print_err_oom(); |
| 1778 | goto error; |
| 1779 | } |
| 1780 | |
| 1781 | g_string_append_printf(str, "%s=\"%s\"", name, escaped_path); |
| 1782 | free(escaped_path); |
| 1783 | } else { |
| 1784 | g_string_append_printf(str, "%s=null", name); |
| 1785 | } |
| 1786 | |
| 1787 | goto end; |
| 1788 | |
| 1789 | error: |
| 1790 | ret = -1; |
| 1791 | |
| 1792 | end: |
| 1793 | return ret; |
| 1794 | } |
| 1795 | |
| 1796 | /* |
| 1797 | * Prints the non-legacy sink options equivalent to the specified |
| 1798 | * legacy output format options. |
| 1799 | */ |
| 1800 | static |
| 1801 | void print_output_legacy_to_sinks( |
| 1802 | enum legacy_output_format legacy_output_format, |
| 1803 | struct text_legacy_opts *text_legacy_opts) |
| 1804 | { |
| 1805 | const char *input_format; |
| 1806 | GString *str = NULL; |
| 1807 | |
| 1808 | str = g_string_new(" "); |
| 1809 | if (!str) { |
| 1810 | print_err_oom(); |
| 1811 | goto end; |
| 1812 | } |
| 1813 | |
| 1814 | switch (legacy_output_format) { |
| 1815 | case LEGACY_OUTPUT_FORMAT_TEXT: |
| 1816 | input_format = "text"; |
| 1817 | break; |
| 1818 | case LEGACY_OUTPUT_FORMAT_CTF_METADATA: |
| 1819 | input_format = "ctf-metadata"; |
| 1820 | break; |
| 1821 | case LEGACY_OUTPUT_FORMAT_DUMMY: |
| 1822 | input_format = "dummy"; |
| 1823 | break; |
| 1824 | default: |
| 1825 | assert(false); |
| 1826 | } |
| 1827 | |
| 1828 | printf_err("Both `%s` legacy output format and non-legacy sink component\ninstances(s) specified.\n\n", |
| 1829 | input_format); |
| 1830 | printf_err("Specify the following non-legacy sink component instance instead of the\nlegacy `%s` output format options:\n\n", |
| 1831 | input_format); |
| 1832 | g_string_append(str, "-o "); |
| 1833 | |
| 1834 | switch (legacy_output_format) { |
| 1835 | case LEGACY_OUTPUT_FORMAT_TEXT: |
| 1836 | g_string_append(str, "text.text"); |
| 1837 | break; |
| 1838 | case LEGACY_OUTPUT_FORMAT_CTF_METADATA: |
| 1839 | g_string_append(str, "ctf.metadata-text"); |
| 1840 | break; |
| 1841 | case LEGACY_OUTPUT_FORMAT_DUMMY: |
| 1842 | g_string_append(str, "dummy.dummy"); |
| 1843 | break; |
| 1844 | default: |
| 1845 | assert(false); |
| 1846 | } |
| 1847 | |
| 1848 | if (legacy_output_format == LEGACY_OUTPUT_FORMAT_TEXT && |
| 1849 | text_legacy_opts_is_any_set(text_legacy_opts)) { |
| 1850 | int ret; |
| 1851 | |
| 1852 | g_string_append(str, " -p '"); |
| 1853 | |
| 1854 | if (g_string_append_string_path_param(str, "output-path", |
| 1855 | text_legacy_opts->output)) { |
| 1856 | goto end; |
| 1857 | } |
| 1858 | |
| 1859 | g_string_append(str, ","); |
| 1860 | |
| 1861 | if (g_string_append_string_path_param(str, "debug-info-dir", |
| 1862 | text_legacy_opts->dbg_info_dir)) { |
| 1863 | goto end; |
| 1864 | } |
| 1865 | |
| 1866 | g_string_append(str, ","); |
| 1867 | |
| 1868 | if (g_string_append_string_path_param(str, |
| 1869 | "debug-info-target-prefix", |
| 1870 | text_legacy_opts->dbg_info_target_prefix)) { |
| 1871 | goto end; |
| 1872 | } |
| 1873 | |
| 1874 | g_string_append_bool_param(str, "no-delta", |
| 1875 | text_legacy_opts->no_delta); |
| 1876 | g_string_append_bool_param(str, "clock-cycles", |
| 1877 | text_legacy_opts->clock_cycles); |
| 1878 | g_string_append_bool_param(str, "clock-seconds", |
| 1879 | text_legacy_opts->clock_seconds); |
| 1880 | g_string_append_bool_param(str, "clock-date", |
| 1881 | text_legacy_opts->clock_date); |
| 1882 | g_string_append_bool_param(str, "clock-gmt", |
| 1883 | text_legacy_opts->clock_gmt); |
| 1884 | ret = append_prefixed_flag_params(str, text_legacy_opts->names, |
| 1885 | "name"); |
| 1886 | if (ret) { |
| 1887 | goto end; |
| 1888 | } |
| 1889 | |
| 1890 | ret = append_prefixed_flag_params(str, text_legacy_opts->fields, |
| 1891 | "field"); |
| 1892 | if (ret) { |
| 1893 | goto end; |
| 1894 | } |
| 1895 | |
| 1896 | /* Remove last comma and close single quote */ |
| 1897 | g_string_append(str, "'"); |
| 1898 | } |
| 1899 | |
| 1900 | printf_err("%s\n\n", str->str); |
| 1901 | |
| 1902 | end: |
| 1903 | if (str) { |
| 1904 | g_string_free(str, TRUE); |
| 1905 | } |
| 1906 | return; |
| 1907 | } |
| 1908 | |
| 1909 | /* |
| 1910 | * Prints the non-legacy source options equivalent to the specified |
| 1911 | * legacy input format options. |
| 1912 | */ |
| 1913 | static |
| 1914 | void print_input_legacy_to_sources(enum legacy_input_format legacy_input_format, |
| 1915 | struct bt_value *legacy_input_paths, |
| 1916 | struct ctf_legacy_opts *ctf_legacy_opts) |
| 1917 | { |
| 1918 | const char *input_format; |
| 1919 | GString *str = NULL; |
| 1920 | int i; |
| 1921 | |
| 1922 | str = g_string_new(" "); |
| 1923 | if (!str) { |
| 1924 | print_err_oom(); |
| 1925 | goto end; |
| 1926 | } |
| 1927 | |
| 1928 | switch (legacy_input_format) { |
| 1929 | case LEGACY_INPUT_FORMAT_CTF: |
| 1930 | input_format = "ctf"; |
| 1931 | break; |
| 1932 | case LEGACY_INPUT_FORMAT_LTTNG_LIVE: |
| 1933 | input_format = "lttng-live"; |
| 1934 | break; |
| 1935 | default: |
| 1936 | assert(false); |
| 1937 | } |
| 1938 | |
| 1939 | printf_err("Both `%s` legacy input format and non-legacy source component\ninstance(s) specified.\n\n", |
| 1940 | input_format); |
| 1941 | printf_err("Specify the following non-legacy source component instance(s) instead of the\nlegacy `%s` input format options and positional arguments:\n\n", |
| 1942 | input_format); |
| 1943 | |
| 1944 | for (i = 0; i < bt_value_array_size(legacy_input_paths); i++) { |
| 1945 | struct bt_value *input_value = |
| 1946 | bt_value_array_get(legacy_input_paths, i); |
| 1947 | const char *input = NULL; |
| 1948 | char *escaped_input; |
| 1949 | int ret; |
| 1950 | |
| 1951 | assert(input_value); |
| 1952 | ret = bt_value_string_get(input_value, &input); |
| 1953 | BT_PUT(input_value); |
| 1954 | assert(!ret && input); |
| 1955 | escaped_input = str_shell_escape(input); |
| 1956 | if (!escaped_input) { |
| 1957 | print_err_oom(); |
| 1958 | goto end; |
| 1959 | } |
| 1960 | |
| 1961 | g_string_append(str, "-i ctf."); |
| 1962 | |
| 1963 | switch (legacy_input_format) { |
| 1964 | case LEGACY_INPUT_FORMAT_CTF: |
| 1965 | g_string_append(str, "fs -p 'path=\""); |
| 1966 | break; |
| 1967 | case LEGACY_INPUT_FORMAT_LTTNG_LIVE: |
| 1968 | g_string_append(str, "lttng-live -p 'url=\""); |
| 1969 | break; |
| 1970 | default: |
| 1971 | assert(false); |
| 1972 | } |
| 1973 | |
| 1974 | g_string_append(str, escaped_input); |
| 1975 | g_string_append(str, "\""); |
| 1976 | g_string_append_printf(str, ",offset-s=%" PRId64, |
| 1977 | ctf_legacy_opts->offset_s.value); |
| 1978 | g_string_append_printf(str, ",offset-ns=%" PRId64, |
| 1979 | ctf_legacy_opts->offset_ns.value); |
| 1980 | g_string_append_bool_param(str, "stream-intersection", |
| 1981 | ctf_legacy_opts->stream_intersection); |
| 1982 | g_string_append(str, "' "); |
| 1983 | g_free(escaped_input); |
| 1984 | } |
| 1985 | |
| 1986 | printf_err("%s\n\n", str->str); |
| 1987 | |
| 1988 | end: |
| 1989 | if (str) { |
| 1990 | g_string_free(str, TRUE); |
| 1991 | } |
| 1992 | return; |
| 1993 | } |
| 1994 | |
| 1995 | /* |
| 1996 | * Validates a given configuration, with optional legacy input and |
| 1997 | * output formats options. Prints useful error messages if anything |
| 1998 | * is wrong. |
| 1999 | * |
| 2000 | * Returns true when the configuration is valid. |
| 2001 | */ |
| 2002 | static |
| 2003 | bool validate_cfg(struct bt_config *cfg, |
| 2004 | enum legacy_input_format *legacy_input_format, |
| 2005 | enum legacy_output_format *legacy_output_format, |
| 2006 | struct bt_value *legacy_input_paths, |
| 2007 | struct ctf_legacy_opts *ctf_legacy_opts, |
| 2008 | struct text_legacy_opts *text_legacy_opts) |
| 2009 | { |
| 2010 | bool legacy_input = false; |
| 2011 | bool legacy_output = false; |
| 2012 | |
| 2013 | /* Determine if the input and output should be legacy-style */ |
| 2014 | if (*legacy_input_format != LEGACY_INPUT_FORMAT_NONE || |
| 2015 | !bt_value_array_is_empty(legacy_input_paths) || |
| 2016 | ctf_legacy_opts_is_any_set(ctf_legacy_opts)) { |
| 2017 | legacy_input = true; |
| 2018 | } |
| 2019 | |
| 2020 | if (*legacy_output_format != LEGACY_OUTPUT_FORMAT_NONE || |
| 2021 | text_legacy_opts_is_any_set(text_legacy_opts)) { |
| 2022 | legacy_output = true; |
| 2023 | } |
| 2024 | |
| 2025 | if (legacy_input) { |
| 2026 | /* If no legacy input format was specified, default to CTF */ |
| 2027 | if (*legacy_input_format == LEGACY_INPUT_FORMAT_NONE) { |
| 2028 | *legacy_input_format = LEGACY_INPUT_FORMAT_CTF; |
| 2029 | } |
| 2030 | |
| 2031 | /* Make sure at least one input path exists */ |
| 2032 | if (bt_value_array_is_empty(legacy_input_paths)) { |
| 2033 | switch (*legacy_input_format) { |
| 2034 | case LEGACY_INPUT_FORMAT_CTF: |
| 2035 | printf_err("No input path specified for legacy `ctf` input format\n"); |
| 2036 | break; |
| 2037 | case LEGACY_INPUT_FORMAT_LTTNG_LIVE: |
| 2038 | printf_err("No URL specified for legacy `lttng-live` input format\n"); |
| 2039 | break; |
| 2040 | default: |
| 2041 | assert(false); |
| 2042 | } |
| 2043 | goto error; |
| 2044 | } |
| 2045 | |
| 2046 | /* Make sure no non-legacy sources are specified */ |
| 2047 | if (cfg->sources->len != 0) { |
| 2048 | print_input_legacy_to_sources(*legacy_input_format, |
| 2049 | legacy_input_paths, ctf_legacy_opts); |
| 2050 | goto error; |
| 2051 | } |
| 2052 | } |
| 2053 | |
| 2054 | if (legacy_output) { |
| 2055 | /* |
| 2056 | * If no legacy output format was specified, default to |
| 2057 | * "text". |
| 2058 | */ |
| 2059 | if (*legacy_output_format == LEGACY_OUTPUT_FORMAT_NONE) { |
| 2060 | *legacy_output_format = LEGACY_OUTPUT_FORMAT_TEXT; |
| 2061 | } |
| 2062 | |
| 2063 | /* |
| 2064 | * If any "text" option was specified, the output must be |
| 2065 | * legacy "text". |
| 2066 | */ |
| 2067 | if (text_legacy_opts_is_any_set(text_legacy_opts) && |
| 2068 | *legacy_output_format != |
| 2069 | LEGACY_OUTPUT_FORMAT_TEXT) { |
| 2070 | printf_err("Options for legacy `text` output format specified with a different legacy output format\n"); |
| 2071 | goto error; |
| 2072 | } |
| 2073 | |
| 2074 | /* Make sure no non-legacy sinks are specified */ |
| 2075 | if (cfg->sinks->len != 0) { |
| 2076 | print_output_legacy_to_sinks(*legacy_output_format, |
| 2077 | text_legacy_opts); |
| 2078 | goto error; |
| 2079 | } |
| 2080 | } |
| 2081 | |
| 2082 | /* |
| 2083 | * If the output is the legacy "ctf-metadata" format, then the |
| 2084 | * input should be the legacy "ctf" input format. |
| 2085 | */ |
| 2086 | if (*legacy_output_format == LEGACY_OUTPUT_FORMAT_CTF_METADATA && |
| 2087 | *legacy_input_format != LEGACY_INPUT_FORMAT_CTF) { |
| 2088 | printf_err("Legacy `ctf-metadata` output format requires using legacy `ctf` input format\n"); |
| 2089 | goto error; |
| 2090 | } |
| 2091 | |
| 2092 | return true; |
| 2093 | |
| 2094 | error: |
| 2095 | return false; |
| 2096 | } |
| 2097 | |
| 2098 | /* |
| 2099 | * Parses a 64-bit signed integer. |
| 2100 | * |
| 2101 | * Returns a negative value if anything goes wrong. |
| 2102 | */ |
| 2103 | static |
| 2104 | int parse_int64(const char *arg, int64_t *val) |
| 2105 | { |
| 2106 | char *endptr; |
| 2107 | |
| 2108 | errno = 0; |
| 2109 | *val = strtoll(arg, &endptr, 0); |
| 2110 | if (*endptr != '\0' || arg == endptr || errno != 0) { |
| 2111 | return -1; |
| 2112 | } |
| 2113 | |
| 2114 | return 0; |
| 2115 | } |
| 2116 | |
| 2117 | /* popt options */ |
| 2118 | enum { |
| 2119 | OPT_NONE = 0, |
| 2120 | OPT_BASE_PARAMS, |
| 2121 | OPT_BEGIN, |
| 2122 | OPT_CLOCK_CYCLES, |
| 2123 | OPT_CLOCK_DATE, |
| 2124 | OPT_CLOCK_FORCE_CORRELATE, |
| 2125 | OPT_CLOCK_GMT, |
| 2126 | OPT_CLOCK_OFFSET, |
| 2127 | OPT_CLOCK_OFFSET_NS, |
| 2128 | OPT_CLOCK_SECONDS, |
| 2129 | OPT_DEBUG, |
| 2130 | OPT_DEBUG_INFO_DIR, |
| 2131 | OPT_DEBUG_INFO_FULL_PATH, |
| 2132 | OPT_DEBUG_INFO_TARGET_PREFIX, |
| 2133 | OPT_END, |
| 2134 | OPT_FIELDS, |
| 2135 | OPT_HELP, |
| 2136 | OPT_HELP_LEGACY, |
| 2137 | OPT_INPUT_FORMAT, |
| 2138 | OPT_LIST, |
| 2139 | OPT_NAMES, |
| 2140 | OPT_NO_DELTA, |
| 2141 | OPT_OUTPUT_FORMAT, |
| 2142 | OPT_OUTPUT_PATH, |
| 2143 | OPT_PATH, |
| 2144 | OPT_PARAMS, |
| 2145 | OPT_PLUGIN_PATH, |
| 2146 | OPT_RESET_BASE_PARAMS, |
| 2147 | OPT_SINK, |
| 2148 | OPT_SOURCE, |
| 2149 | OPT_STREAM_INTERSECTION, |
| 2150 | OPT_TIMERANGE, |
| 2151 | OPT_VERBOSE, |
| 2152 | OPT_VERSION, |
| 2153 | OPT_OMIT_SYSTEM_PLUGIN_PATH, |
| 2154 | OPT_OMIT_HOME_PLUGIN_PATH, |
| 2155 | }; |
| 2156 | |
| 2157 | /* popt long option descriptions */ |
| 2158 | static struct poptOption long_options[] = { |
| 2159 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ |
| 2160 | { "base-params", 'b', POPT_ARG_STRING, NULL, OPT_BASE_PARAMS, NULL, NULL }, |
| 2161 | { "begin", '\0', POPT_ARG_STRING, NULL, OPT_BEGIN, NULL, NULL }, |
| 2162 | { "clock-cycles", '\0', POPT_ARG_NONE, NULL, OPT_CLOCK_CYCLES, NULL, NULL }, |
| 2163 | { "clock-date", '\0', POPT_ARG_NONE, NULL, OPT_CLOCK_DATE, NULL, NULL }, |
| 2164 | { "clock-force-correlate", '\0', POPT_ARG_NONE, NULL, OPT_CLOCK_FORCE_CORRELATE, NULL, NULL }, |
| 2165 | { "clock-gmt", '\0', POPT_ARG_NONE, NULL, OPT_CLOCK_GMT, NULL, NULL }, |
| 2166 | { "clock-offset", '\0', POPT_ARG_STRING, NULL, OPT_CLOCK_OFFSET, NULL, NULL }, |
| 2167 | { "clock-offset-ns", '\0', POPT_ARG_STRING, NULL, OPT_CLOCK_OFFSET_NS, NULL, NULL }, |
| 2168 | { "clock-seconds", '\0', POPT_ARG_NONE, NULL, OPT_CLOCK_SECONDS, NULL, NULL }, |
| 2169 | { "debug", 'd', POPT_ARG_NONE, NULL, OPT_DEBUG, NULL, NULL }, |
| 2170 | { "debug-info-dir", 0, POPT_ARG_STRING, NULL, OPT_DEBUG_INFO_DIR, NULL, NULL }, |
| 2171 | { "debug-info-full-path", 0, POPT_ARG_NONE, NULL, OPT_DEBUG_INFO_FULL_PATH, NULL, NULL }, |
| 2172 | { "debug-info-target-prefix", 0, POPT_ARG_STRING, NULL, OPT_DEBUG_INFO_TARGET_PREFIX, NULL, NULL }, |
| 2173 | { "end", '\0', POPT_ARG_STRING, NULL, OPT_END, NULL, NULL }, |
| 2174 | { "fields", 'f', POPT_ARG_STRING, NULL, OPT_FIELDS, NULL, NULL }, |
| 2175 | { "help", 'h', POPT_ARG_NONE, NULL, OPT_HELP, NULL, NULL }, |
| 2176 | { "help-legacy", '\0', POPT_ARG_NONE, NULL, OPT_HELP_LEGACY, NULL, NULL }, |
| 2177 | { "input-format", 'i', POPT_ARG_STRING, NULL, OPT_INPUT_FORMAT, NULL, NULL }, |
| 2178 | { "list", 'l', POPT_ARG_NONE, NULL, OPT_LIST, NULL, NULL }, |
| 2179 | { "names", 'n', POPT_ARG_STRING, NULL, OPT_NAMES, NULL, NULL }, |
| 2180 | { "no-delta", '\0', POPT_ARG_NONE, NULL, OPT_NO_DELTA, NULL, NULL }, |
| 2181 | { "output", 'w', POPT_ARG_STRING, NULL, OPT_OUTPUT_PATH, NULL, NULL }, |
| 2182 | { "output-format", 'o', POPT_ARG_STRING, NULL, OPT_OUTPUT_FORMAT, NULL, NULL }, |
| 2183 | { "path", 'P', POPT_ARG_STRING, NULL, OPT_PATH, NULL, NULL }, |
| 2184 | { "params", 'p', POPT_ARG_STRING, NULL, OPT_PARAMS, NULL, NULL }, |
| 2185 | { "plugin-path", '\0', POPT_ARG_STRING, NULL, OPT_PLUGIN_PATH, NULL, NULL }, |
| 2186 | { "reset-base-params", 'r', POPT_ARG_NONE, NULL, OPT_RESET_BASE_PARAMS, NULL, NULL }, |
| 2187 | { "sink", '\0', POPT_ARG_STRING, NULL, OPT_SINK, NULL, NULL }, |
| 2188 | { "source", '\0', POPT_ARG_STRING, NULL, OPT_SOURCE, NULL, NULL }, |
| 2189 | { "stream-intersection", '\0', POPT_ARG_NONE, NULL, OPT_STREAM_INTERSECTION, NULL, NULL }, |
| 2190 | { "timerange", '\0', POPT_ARG_STRING, NULL, OPT_TIMERANGE, NULL, NULL }, |
| 2191 | { "verbose", 'v', POPT_ARG_NONE, NULL, OPT_VERBOSE, NULL, NULL }, |
| 2192 | { "version", 'V', POPT_ARG_NONE, NULL, OPT_VERSION, NULL, NULL }, |
| 2193 | { "omit-system-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_SYSTEM_PLUGIN_PATH, NULL, NULL }, |
| 2194 | { "omit-home-plugin-path", '\0', POPT_ARG_NONE, NULL, OPT_OMIT_HOME_PLUGIN_PATH, NULL, NULL }, |
| 2195 | { NULL, 0, 0, NULL, 0, NULL, NULL }, |
| 2196 | }; |
| 2197 | |
| 2198 | /* |
| 2199 | * Sets the value of a given legacy offset option and marks it as set. |
| 2200 | */ |
| 2201 | static void set_offset_value(struct offset_opt *offset_opt, int64_t value) |
| 2202 | { |
| 2203 | offset_opt->value = value; |
| 2204 | offset_opt->is_set = true; |
| 2205 | } |
| 2206 | |
| 2207 | enum bt_config_component_dest { |
| 2208 | BT_CONFIG_COMPONENT_DEST_SOURCE, |
| 2209 | BT_CONFIG_COMPONENT_DEST_SINK, |
| 2210 | }; |
| 2211 | |
| 2212 | /* |
| 2213 | * Adds a configuration component to the appropriate configuration |
| 2214 | * array depending on the destination. |
| 2215 | */ |
| 2216 | static void add_cfg_comp(struct bt_config *cfg, |
| 2217 | struct bt_config_component *cfg_comp, |
| 2218 | enum bt_config_component_dest dest) |
| 2219 | { |
| 2220 | if (dest == BT_CONFIG_COMPONENT_DEST_SOURCE) { |
| 2221 | g_ptr_array_add(cfg->sources, cfg_comp); |
| 2222 | } else { |
| 2223 | g_ptr_array_add(cfg->sinks, cfg_comp); |
| 2224 | } |
| 2225 | } |
| 2226 | |
| 2227 | static int split_timerange(const char *arg, const char **begin, const char **end) |
| 2228 | { |
| 2229 | const char *c; |
| 2230 | |
| 2231 | /* Try to match [begin,end] */ |
| 2232 | c = strchr(arg, '['); |
| 2233 | if (!c) |
| 2234 | goto skip; |
| 2235 | *begin = ++c; |
| 2236 | c = strchr(c, ','); |
| 2237 | if (!c) |
| 2238 | goto skip; |
| 2239 | *end = ++c; |
| 2240 | c = strchr(c, ']'); |
| 2241 | if (!c) |
| 2242 | goto skip; |
| 2243 | goto found; |
| 2244 | |
| 2245 | skip: |
| 2246 | /* Try to match begin,end */ |
| 2247 | c = arg; |
| 2248 | *begin = c; |
| 2249 | c = strchr(c, ','); |
| 2250 | if (!c) |
| 2251 | goto not_found; |
| 2252 | *end = ++c; |
| 2253 | /* fall-through */ |
| 2254 | found: |
| 2255 | return 0; |
| 2256 | not_found: |
| 2257 | return -1; |
| 2258 | } |
| 2259 | |
| 2260 | static char *bt_secure_getenv(const char *name) |
| 2261 | { |
| 2262 | if (is_setuid_setgid()) { |
| 2263 | printf_err("Disregarding %s environment variable for setuid/setgid binary", name); |
| 2264 | return NULL; |
| 2265 | } |
| 2266 | return getenv(name); |
| 2267 | } |
| 2268 | |
| 2269 | static const char *get_home_dir(void) |
| 2270 | { |
| 2271 | char *val = NULL; |
| 2272 | struct passwd *pwd; |
| 2273 | |
| 2274 | val = bt_secure_getenv(HOME_ENV_VAR); |
| 2275 | if (val) { |
| 2276 | goto end; |
| 2277 | } |
| 2278 | /* Fallback on password file. */ |
| 2279 | pwd = getpwuid(getuid()); |
| 2280 | if (!pwd) { |
| 2281 | goto end; |
| 2282 | } |
| 2283 | val = pwd->pw_dir; |
| 2284 | end: |
| 2285 | return val; |
| 2286 | } |
| 2287 | |
| 2288 | static int add_internal_plugin_paths(struct bt_config *cfg) |
| 2289 | { |
| 2290 | if (!omit_home_plugin_path) { |
| 2291 | char path[PATH_MAX]; |
| 2292 | const char *home_dir; |
| 2293 | |
| 2294 | if (is_setuid_setgid()) { |
| 2295 | printf_debug("Skipping non-system plugin paths for setuid/setgid binary."); |
| 2296 | } else { |
| 2297 | home_dir = get_home_dir(); |
| 2298 | if (home_dir) { |
| 2299 | if (strlen(home_dir) + strlen(HOME_SUBPATH) + 1 |
| 2300 | >= PATH_MAX) { |
| 2301 | printf_err("Home directory path too long\n"); |
| 2302 | goto error; |
| 2303 | } |
| 2304 | strcpy(path, home_dir); |
| 2305 | strcat(path, HOME_SUBPATH); |
| 2306 | if (plugin_paths_from_arg(cfg->plugin_paths, path)) { |
| 2307 | printf_err("Invalid home plugin path\n"); |
| 2308 | goto error; |
| 2309 | } |
| 2310 | } |
| 2311 | } |
| 2312 | } |
| 2313 | |
| 2314 | if (!omit_system_plugin_path) { |
| 2315 | if (plugin_paths_from_arg(cfg->plugin_paths, |
| 2316 | SYSTEM_PLUGIN_PATH)) { |
| 2317 | printf_err("Invalid system plugin path\n"); |
| 2318 | goto error; |
| 2319 | } |
| 2320 | } |
| 2321 | return 0; |
| 2322 | error: |
| 2323 | return -1; |
| 2324 | } |
| 2325 | |
| 2326 | static int append_sources_from_implicit_params(GPtrArray *sources, |
| 2327 | struct bt_config_component *implicit_source_comp) |
| 2328 | { |
| 2329 | size_t i; |
| 2330 | size_t len = sources->len; |
| 2331 | |
| 2332 | for (i = 0; i < len; i++) { |
| 2333 | struct bt_config_component *comp; |
| 2334 | struct bt_value *params_to_set; |
| 2335 | |
| 2336 | comp = g_ptr_array_index(sources, i); |
| 2337 | params_to_set = bt_value_map_extend(comp->params, |
| 2338 | implicit_source_comp->params); |
| 2339 | if (!params_to_set) { |
| 2340 | printf_err("Cannot extend legacy component parameters with non-legacy parameters\n"); |
| 2341 | goto error; |
| 2342 | } |
| 2343 | BT_MOVE(comp->params, params_to_set); |
| 2344 | } |
| 2345 | return 0; |
| 2346 | error: |
| 2347 | return -1; |
| 2348 | } |
| 2349 | |
| 2350 | /* |
| 2351 | * Returns a Babeltrace configuration, out of command-line arguments, |
| 2352 | * containing everything that is needed to instanciate specific |
| 2353 | * components with given parameters. |
| 2354 | * |
| 2355 | * *exit_code is set to the appropriate exit code to use as far as this |
| 2356 | * function goes. |
| 2357 | * |
| 2358 | * Return value is NULL on error, otherwise it's owned by the caller. |
| 2359 | */ |
| 2360 | struct bt_config *bt_config_from_args(int argc, const char *argv[], int *exit_code) |
| 2361 | { |
| 2362 | struct bt_config *cfg = NULL; |
| 2363 | poptContext pc = NULL; |
| 2364 | char *arg = NULL; |
| 2365 | struct ctf_legacy_opts ctf_legacy_opts; |
| 2366 | struct text_legacy_opts text_legacy_opts; |
| 2367 | enum legacy_input_format legacy_input_format = LEGACY_INPUT_FORMAT_NONE; |
| 2368 | enum legacy_output_format legacy_output_format = |
| 2369 | LEGACY_OUTPUT_FORMAT_NONE; |
| 2370 | struct bt_value *legacy_input_paths = NULL; |
| 2371 | struct bt_config_component *implicit_source_comp = NULL; |
| 2372 | struct bt_config_component *cur_cfg_comp = NULL; |
| 2373 | bool cur_is_implicit_source = false; |
| 2374 | bool use_implicit_source = false; |
| 2375 | enum bt_config_component_dest cur_cfg_comp_dest = |
| 2376 | BT_CONFIG_COMPONENT_DEST_SOURCE; |
| 2377 | struct bt_value *cur_base_params = NULL; |
| 2378 | int opt, nr_omit_opt = 0; |
| 2379 | |
| 2380 | memset(&ctf_legacy_opts, 0, sizeof(ctf_legacy_opts)); |
| 2381 | memset(&text_legacy_opts, 0, sizeof(text_legacy_opts)); |
| 2382 | *exit_code = 0; |
| 2383 | |
| 2384 | text_legacy_opts.output = g_string_new(NULL); |
| 2385 | if (!text_legacy_opts.output) { |
| 2386 | print_err_oom(); |
| 2387 | goto error; |
| 2388 | } |
| 2389 | |
| 2390 | text_legacy_opts.dbg_info_dir = g_string_new(NULL); |
| 2391 | if (!text_legacy_opts.dbg_info_dir) { |
| 2392 | print_err_oom(); |
| 2393 | goto error; |
| 2394 | } |
| 2395 | |
| 2396 | text_legacy_opts.dbg_info_target_prefix = g_string_new(NULL); |
| 2397 | if (!text_legacy_opts.dbg_info_target_prefix) { |
| 2398 | print_err_oom(); |
| 2399 | goto error; |
| 2400 | } |
| 2401 | |
| 2402 | cur_base_params = bt_value_map_create(); |
| 2403 | if (!cur_base_params) { |
| 2404 | print_err_oom(); |
| 2405 | goto error; |
| 2406 | } |
| 2407 | |
| 2408 | /* Create config */ |
| 2409 | cfg = g_new0(struct bt_config, 1); |
| 2410 | if (!cfg) { |
| 2411 | print_err_oom(); |
| 2412 | goto error; |
| 2413 | } |
| 2414 | |
| 2415 | bt_object_init(cfg, bt_config_destroy); |
| 2416 | cfg->sources = g_ptr_array_new_with_free_func((GDestroyNotify) bt_put); |
| 2417 | if (!cfg->sources) { |
| 2418 | print_err_oom(); |
| 2419 | goto error; |
| 2420 | } |
| 2421 | |
| 2422 | cfg->sinks = g_ptr_array_new_with_free_func((GDestroyNotify) bt_put); |
| 2423 | if (!cfg->sinks) { |
| 2424 | print_err_oom(); |
| 2425 | goto error; |
| 2426 | } |
| 2427 | |
| 2428 | legacy_input_paths = bt_value_array_create(); |
| 2429 | if (!legacy_input_paths) { |
| 2430 | print_err_oom(); |
| 2431 | goto error; |
| 2432 | } |
| 2433 | |
| 2434 | /* Note: implicit source never gets positional base params. */ |
| 2435 | implicit_source_comp = bt_config_component_from_arg(DEFAULT_SOURCE_COMPONENT_NAME); |
| 2436 | if (implicit_source_comp) { |
| 2437 | cur_cfg_comp = implicit_source_comp; |
| 2438 | cur_is_implicit_source = true; |
| 2439 | use_implicit_source = true; |
| 2440 | } else { |
| 2441 | printf_debug("Cannot find implicit source plugin \"%s\"", |
| 2442 | DEFAULT_SOURCE_COMPONENT_NAME); |
| 2443 | } |
| 2444 | |
| 2445 | cfg->plugin_paths = bt_value_array_create(); |
| 2446 | if (!cfg->plugin_paths) { |
| 2447 | print_err_oom(); |
| 2448 | goto error; |
| 2449 | } |
| 2450 | |
| 2451 | /* Parse options */ |
| 2452 | pc = poptGetContext(NULL, argc, (const char **) argv, long_options, 0); |
| 2453 | if (!pc) { |
| 2454 | printf_err("Cannot get popt context\n"); |
| 2455 | goto error; |
| 2456 | } |
| 2457 | |
| 2458 | poptReadDefaultConfig(pc, 0); |
| 2459 | |
| 2460 | while ((opt = poptGetNextOpt(pc)) > 0) { |
| 2461 | arg = poptGetOptArg(pc); |
| 2462 | |
| 2463 | switch (opt) { |
| 2464 | case OPT_PLUGIN_PATH: |
| 2465 | if (is_setuid_setgid()) { |
| 2466 | printf_debug("Skipping non-system plugin paths for setuid/setgid binary."); |
| 2467 | } else { |
| 2468 | if (plugin_paths_from_arg(cfg->plugin_paths, arg)) { |
| 2469 | printf_err("Invalid --plugin-path option's argument\n"); |
| 2470 | goto error; |
| 2471 | } |
| 2472 | } |
| 2473 | break; |
| 2474 | case OPT_OMIT_SYSTEM_PLUGIN_PATH: |
| 2475 | omit_system_plugin_path = true; |
| 2476 | nr_omit_opt += 2; |
| 2477 | break; |
| 2478 | case OPT_OMIT_HOME_PLUGIN_PATH: |
| 2479 | omit_home_plugin_path = true; |
| 2480 | nr_omit_opt += 2; |
| 2481 | break; |
| 2482 | case OPT_OUTPUT_PATH: |
| 2483 | if (text_legacy_opts.output->len > 0) { |
| 2484 | printf_err("Duplicate --output option\n"); |
| 2485 | goto error; |
| 2486 | } |
| 2487 | |
| 2488 | g_string_assign(text_legacy_opts.output, arg); |
| 2489 | break; |
| 2490 | case OPT_DEBUG_INFO_DIR: |
| 2491 | if (text_legacy_opts.dbg_info_dir->len > 0) { |
| 2492 | printf_err("Duplicate --debug-info-dir option\n"); |
| 2493 | goto error; |
| 2494 | } |
| 2495 | |
| 2496 | g_string_assign(text_legacy_opts.dbg_info_dir, arg); |
| 2497 | break; |
| 2498 | case OPT_DEBUG_INFO_TARGET_PREFIX: |
| 2499 | if (text_legacy_opts.dbg_info_target_prefix->len > 0) { |
| 2500 | printf_err("Duplicate --debug-info-target-prefix option\n"); |
| 2501 | goto error; |
| 2502 | } |
| 2503 | |
| 2504 | g_string_assign(text_legacy_opts.dbg_info_target_prefix, arg); |
| 2505 | break; |
| 2506 | case OPT_INPUT_FORMAT: |
| 2507 | case OPT_SOURCE: |
| 2508 | { |
| 2509 | if (opt == OPT_INPUT_FORMAT) { |
| 2510 | if (!strcmp(arg, "ctf")) { |
| 2511 | /* Legacy CTF input format */ |
| 2512 | if (legacy_input_format) { |
| 2513 | print_err_dup_legacy_input(); |
| 2514 | goto error; |
| 2515 | } |
| 2516 | |
| 2517 | legacy_input_format = |
| 2518 | LEGACY_INPUT_FORMAT_CTF; |
| 2519 | break; |
| 2520 | } else if (!strcmp(arg, "lttng-live")) { |
| 2521 | /* Legacy LTTng-live input format */ |
| 2522 | if (legacy_input_format) { |
| 2523 | print_err_dup_legacy_input(); |
| 2524 | goto error; |
| 2525 | } |
| 2526 | |
| 2527 | legacy_input_format = |
| 2528 | LEGACY_INPUT_FORMAT_LTTNG_LIVE; |
| 2529 | break; |
| 2530 | } |
| 2531 | } |
| 2532 | |
| 2533 | use_implicit_source = false; |
| 2534 | |
| 2535 | /* Non-legacy: try to create a component config */ |
| 2536 | if (cur_cfg_comp && !cur_is_implicit_source) { |
| 2537 | add_cfg_comp(cfg, cur_cfg_comp, |
| 2538 | cur_cfg_comp_dest); |
| 2539 | } |
| 2540 | |
| 2541 | cur_cfg_comp = bt_config_component_from_arg(arg); |
| 2542 | if (!cur_cfg_comp) { |
| 2543 | printf_err("Invalid format for --source option's argument:\n %s\n", |
| 2544 | arg); |
| 2545 | goto error; |
| 2546 | } |
| 2547 | cur_is_implicit_source = false; |
| 2548 | |
| 2549 | assert(cur_base_params); |
| 2550 | bt_put(cur_cfg_comp->params); |
| 2551 | cur_cfg_comp->params = bt_value_copy(cur_base_params); |
| 2552 | if (!cur_cfg_comp->params) { |
| 2553 | print_err_oom(); |
| 2554 | goto end; |
| 2555 | } |
| 2556 | |
| 2557 | cur_cfg_comp_dest = BT_CONFIG_COMPONENT_DEST_SOURCE; |
| 2558 | break; |
| 2559 | } |
| 2560 | case OPT_OUTPUT_FORMAT: |
| 2561 | case OPT_SINK: |
| 2562 | { |
| 2563 | if (opt == OPT_OUTPUT_FORMAT) { |
| 2564 | if (!strcmp(arg, "text")) { |
| 2565 | /* Legacy CTF-text output format */ |
| 2566 | if (legacy_output_format) { |
| 2567 | print_err_dup_legacy_output(); |
| 2568 | goto error; |
| 2569 | } |
| 2570 | |
| 2571 | legacy_output_format = |
| 2572 | LEGACY_OUTPUT_FORMAT_TEXT; |
| 2573 | break; |
| 2574 | } else if (!strcmp(arg, "dummy")) { |
| 2575 | /* Legacy dummy output format */ |
| 2576 | if (legacy_output_format) { |
| 2577 | print_err_dup_legacy_output(); |
| 2578 | goto error; |
| 2579 | } |
| 2580 | |
| 2581 | legacy_output_format = |
| 2582 | LEGACY_OUTPUT_FORMAT_DUMMY; |
| 2583 | break; |
| 2584 | } else if (!strcmp(arg, "ctf-metadata")) { |
| 2585 | /* Legacy CTF-metadata output format */ |
| 2586 | if (legacy_output_format) { |
| 2587 | print_err_dup_legacy_output(); |
| 2588 | goto error; |
| 2589 | } |
| 2590 | |
| 2591 | legacy_output_format = |
| 2592 | LEGACY_OUTPUT_FORMAT_CTF_METADATA; |
| 2593 | break; |
| 2594 | } |
| 2595 | } |
| 2596 | |
| 2597 | /* Non-legacy: try to create a component config */ |
| 2598 | if (cur_cfg_comp && !cur_is_implicit_source) { |
| 2599 | add_cfg_comp(cfg, cur_cfg_comp, |
| 2600 | cur_cfg_comp_dest); |
| 2601 | } |
| 2602 | |
| 2603 | cur_cfg_comp = bt_config_component_from_arg(arg); |
| 2604 | if (!cur_cfg_comp) { |
| 2605 | printf_err("Invalid format for --sink option's argument:\n %s\n", |
| 2606 | arg); |
| 2607 | goto error; |
| 2608 | } |
| 2609 | cur_is_implicit_source = false; |
| 2610 | |
| 2611 | assert(cur_base_params); |
| 2612 | bt_put(cur_cfg_comp->params); |
| 2613 | cur_cfg_comp->params = bt_value_copy(cur_base_params); |
| 2614 | if (!cur_cfg_comp->params) { |
| 2615 | print_err_oom(); |
| 2616 | goto end; |
| 2617 | } |
| 2618 | |
| 2619 | cur_cfg_comp_dest = BT_CONFIG_COMPONENT_DEST_SINK; |
| 2620 | break; |
| 2621 | } |
| 2622 | case OPT_PARAMS: |
| 2623 | { |
| 2624 | struct bt_value *params; |
| 2625 | struct bt_value *params_to_set; |
| 2626 | |
| 2627 | if (!cur_cfg_comp) { |
| 2628 | printf_err("Can not apply parameter to unavailable default source component \"%s\".\n", |
| 2629 | DEFAULT_SOURCE_COMPONENT_NAME); |
| 2630 | goto error; |
| 2631 | } |
| 2632 | |
| 2633 | params = bt_value_from_arg(arg); |
| 2634 | if (!params) { |
| 2635 | printf_err("Invalid format for --params option's argument:\n %s\n", |
| 2636 | arg); |
| 2637 | goto error; |
| 2638 | } |
| 2639 | |
| 2640 | params_to_set = bt_value_map_extend(cur_cfg_comp->params, |
| 2641 | params); |
| 2642 | BT_PUT(params); |
| 2643 | if (!params_to_set) { |
| 2644 | printf_err("Cannot extend current component parameters with --params option's argument:\n %s\n", |
| 2645 | arg); |
| 2646 | goto error; |
| 2647 | } |
| 2648 | |
| 2649 | BT_MOVE(cur_cfg_comp->params, params_to_set); |
| 2650 | break; |
| 2651 | } |
| 2652 | case OPT_PATH: |
| 2653 | if (!cur_cfg_comp) { |
| 2654 | printf_err("Can not apply parameter to unavailable default source component \"%s\".\n", |
| 2655 | DEFAULT_SOURCE_COMPONENT_NAME); |
| 2656 | goto error; |
| 2657 | } |
| 2658 | |
| 2659 | assert(cur_cfg_comp->params); |
| 2660 | |
| 2661 | if (bt_value_map_insert_string(cur_cfg_comp->params, |
| 2662 | "path", arg)) { |
| 2663 | print_err_oom(); |
| 2664 | goto error; |
| 2665 | } |
| 2666 | break; |
| 2667 | case OPT_BASE_PARAMS: |
| 2668 | { |
| 2669 | struct bt_value *params = bt_value_from_arg(arg); |
| 2670 | |
| 2671 | if (!params) { |
| 2672 | printf_err("Invalid format for --base-params option's argument:\n %s\n", |
| 2673 | arg); |
| 2674 | goto error; |
| 2675 | } |
| 2676 | |
| 2677 | BT_MOVE(cur_base_params, params); |
| 2678 | break; |
| 2679 | } |
| 2680 | case OPT_RESET_BASE_PARAMS: |
| 2681 | BT_PUT(cur_base_params); |
| 2682 | cur_base_params = bt_value_map_create(); |
| 2683 | if (!cur_base_params) { |
| 2684 | print_err_oom(); |
| 2685 | goto error; |
| 2686 | } |
| 2687 | break; |
| 2688 | case OPT_NAMES: |
| 2689 | if (text_legacy_opts.names) { |
| 2690 | printf_err("Duplicate --names option\n"); |
| 2691 | goto error; |
| 2692 | } |
| 2693 | |
| 2694 | text_legacy_opts.names = names_from_arg(arg); |
| 2695 | if (!text_legacy_opts.names) { |
| 2696 | printf_err("Invalid --names option's argument\n"); |
| 2697 | goto error; |
| 2698 | } |
| 2699 | break; |
| 2700 | case OPT_FIELDS: |
| 2701 | if (text_legacy_opts.fields) { |
| 2702 | printf_err("Duplicate --fields option\n"); |
| 2703 | goto error; |
| 2704 | } |
| 2705 | |
| 2706 | text_legacy_opts.fields = fields_from_arg(arg); |
| 2707 | if (!text_legacy_opts.fields) { |
| 2708 | printf_err("Invalid --fields option's argument\n"); |
| 2709 | goto error; |
| 2710 | } |
| 2711 | break; |
| 2712 | case OPT_NO_DELTA: |
| 2713 | text_legacy_opts.no_delta = true; |
| 2714 | break; |
| 2715 | case OPT_CLOCK_CYCLES: |
| 2716 | text_legacy_opts.clock_cycles = true; |
| 2717 | break; |
| 2718 | case OPT_CLOCK_SECONDS: |
| 2719 | text_legacy_opts.clock_seconds = true; |
| 2720 | break; |
| 2721 | case OPT_CLOCK_DATE: |
| 2722 | text_legacy_opts.clock_date = true; |
| 2723 | break; |
| 2724 | case OPT_CLOCK_GMT: |
| 2725 | text_legacy_opts.clock_gmt = true; |
| 2726 | break; |
| 2727 | case OPT_DEBUG_INFO_FULL_PATH: |
| 2728 | text_legacy_opts.dbg_info_full_path = true; |
| 2729 | break; |
| 2730 | case OPT_CLOCK_OFFSET: |
| 2731 | { |
| 2732 | int64_t val; |
| 2733 | |
| 2734 | if (ctf_legacy_opts.offset_s.is_set) { |
| 2735 | printf_err("Duplicate --clock-offset option\n"); |
| 2736 | goto error; |
| 2737 | } |
| 2738 | |
| 2739 | if (parse_int64(arg, &val)) { |
| 2740 | printf_err("Invalid --clock-offset option's argument\n"); |
| 2741 | goto error; |
| 2742 | } |
| 2743 | |
| 2744 | set_offset_value(&ctf_legacy_opts.offset_s, val); |
| 2745 | break; |
| 2746 | } |
| 2747 | case OPT_CLOCK_OFFSET_NS: |
| 2748 | { |
| 2749 | int64_t val; |
| 2750 | |
| 2751 | if (ctf_legacy_opts.offset_ns.is_set) { |
| 2752 | printf_err("Duplicate --clock-offset-ns option\n"); |
| 2753 | goto error; |
| 2754 | } |
| 2755 | |
| 2756 | if (parse_int64(arg, &val)) { |
| 2757 | printf_err("Invalid --clock-offset-ns option's argument\n"); |
| 2758 | goto error; |
| 2759 | } |
| 2760 | |
| 2761 | set_offset_value(&ctf_legacy_opts.offset_ns, val); |
| 2762 | break; |
| 2763 | } |
| 2764 | case OPT_STREAM_INTERSECTION: |
| 2765 | ctf_legacy_opts.stream_intersection = true; |
| 2766 | break; |
| 2767 | case OPT_CLOCK_FORCE_CORRELATE: |
| 2768 | cfg->force_correlate = true; |
| 2769 | break; |
| 2770 | case OPT_BEGIN: |
| 2771 | if (!cur_cfg_comp) { |
| 2772 | printf_err("Can not apply parameter to unavailable default source component \"%s\".\n", |
| 2773 | DEFAULT_SOURCE_COMPONENT_NAME); |
| 2774 | goto error; |
| 2775 | } |
| 2776 | if (cur_cfg_comp_dest != BT_CONFIG_COMPONENT_DEST_SOURCE) { |
| 2777 | printf_err("--begin option must follow a --source option\n"); |
| 2778 | goto error; |
| 2779 | } |
| 2780 | if (bt_value_map_insert_string(cur_cfg_comp->params, |
| 2781 | "begin", arg)) { |
| 2782 | print_err_oom(); |
| 2783 | goto error; |
| 2784 | } |
| 2785 | break; |
| 2786 | case OPT_END: |
| 2787 | if (!cur_cfg_comp) { |
| 2788 | printf_err("Can not apply parameter to unavailable default source component \"%s\".\n", |
| 2789 | DEFAULT_SOURCE_COMPONENT_NAME); |
| 2790 | goto error; |
| 2791 | } |
| 2792 | if (cur_cfg_comp_dest != BT_CONFIG_COMPONENT_DEST_SOURCE) { |
| 2793 | printf_err("--end option must follow a --source option\n"); |
| 2794 | goto error; |
| 2795 | } |
| 2796 | if (bt_value_map_insert_string(cur_cfg_comp->params, |
| 2797 | "end", arg)) { |
| 2798 | print_err_oom(); |
| 2799 | goto error; |
| 2800 | } |
| 2801 | break; |
| 2802 | case OPT_TIMERANGE: |
| 2803 | { |
| 2804 | const char *begin, *end; |
| 2805 | |
| 2806 | if (!cur_cfg_comp) { |
| 2807 | printf_err("Can not apply parameter to unavailable default source component \"%s\".\n", |
| 2808 | DEFAULT_SOURCE_COMPONENT_NAME); |
| 2809 | goto error; |
| 2810 | } |
| 2811 | if (cur_cfg_comp_dest != BT_CONFIG_COMPONENT_DEST_SOURCE) { |
| 2812 | printf_err("--timerange option must follow a --source option\n"); |
| 2813 | goto error; |
| 2814 | } |
| 2815 | if (split_timerange(arg, &begin, &end)) { |
| 2816 | printf_err("Invalid --timerange format, expecting: begin,end or [begin,end] (where [] are actual brackets)\n"); |
| 2817 | goto error; |
| 2818 | } |
| 2819 | if (bt_value_map_insert_string(cur_cfg_comp->params, |
| 2820 | "begin", begin)) { |
| 2821 | print_err_oom(); |
| 2822 | goto error; |
| 2823 | } |
| 2824 | if (bt_value_map_insert_string(cur_cfg_comp->params, |
| 2825 | "end", end)) { |
| 2826 | print_err_oom(); |
| 2827 | goto error; |
| 2828 | } |
| 2829 | break; |
| 2830 | } |
| 2831 | case OPT_HELP: |
| 2832 | BT_PUT(cfg); |
| 2833 | print_usage(stdout); |
| 2834 | goto end; |
| 2835 | case OPT_HELP_LEGACY: |
| 2836 | BT_PUT(cfg); |
| 2837 | print_legacy_usage(stdout); |
| 2838 | goto end; |
| 2839 | case OPT_VERSION: |
| 2840 | BT_PUT(cfg); |
| 2841 | print_version(); |
| 2842 | goto end; |
| 2843 | case OPT_LIST: |
| 2844 | cfg->do_list = true; |
| 2845 | goto end; |
| 2846 | case OPT_VERBOSE: |
| 2847 | cfg->verbose = true; |
| 2848 | break; |
| 2849 | case OPT_DEBUG: |
| 2850 | cfg->debug = true; |
| 2851 | break; |
| 2852 | default: |
| 2853 | printf_err("Unknown command-line option specified (option code %d)\n", |
| 2854 | opt); |
| 2855 | goto error; |
| 2856 | } |
| 2857 | |
| 2858 | free(arg); |
| 2859 | arg = NULL; |
| 2860 | } |
| 2861 | |
| 2862 | if (argc - nr_omit_opt <= 1) { |
| 2863 | print_usage(stdout); |
| 2864 | goto put_cfg; |
| 2865 | } |
| 2866 | |
| 2867 | /* Check for option parsing error */ |
| 2868 | if (opt < -1) { |
| 2869 | printf_err("While parsing command-line options, at option %s: %s\n", |
| 2870 | poptBadOption(pc, 0), poptStrerror(opt)); |
| 2871 | goto error; |
| 2872 | } |
| 2873 | |
| 2874 | /* Consume leftover arguments as legacy input paths */ |
| 2875 | while (true) { |
| 2876 | const char *input_path = poptGetArg(pc); |
| 2877 | |
| 2878 | if (!input_path) { |
| 2879 | break; |
| 2880 | } |
| 2881 | |
| 2882 | if (bt_value_array_append_string(legacy_input_paths, |
| 2883 | input_path)) { |
| 2884 | print_err_oom(); |
| 2885 | goto error; |
| 2886 | } |
| 2887 | } |
| 2888 | |
| 2889 | if (add_internal_plugin_paths(cfg)) { |
| 2890 | goto error; |
| 2891 | } |
| 2892 | |
| 2893 | /* Append current component configuration, if any */ |
| 2894 | if (cur_cfg_comp && !cur_is_implicit_source) { |
| 2895 | add_cfg_comp(cfg, cur_cfg_comp, cur_cfg_comp_dest); |
| 2896 | } |
| 2897 | cur_cfg_comp = NULL; |
| 2898 | |
| 2899 | /* Validate legacy/non-legacy options */ |
| 2900 | if (!validate_cfg(cfg, &legacy_input_format, &legacy_output_format, |
| 2901 | legacy_input_paths, &ctf_legacy_opts, |
| 2902 | &text_legacy_opts)) { |
| 2903 | printf_err("Command-line options form an invalid configuration\n"); |
| 2904 | goto error; |
| 2905 | } |
| 2906 | |
| 2907 | /* |
| 2908 | * If there's a legacy input format, convert it to source |
| 2909 | * component configurations. |
| 2910 | */ |
| 2911 | if (legacy_input_format) { |
| 2912 | if (append_sources_from_legacy_opts(cfg->sources, |
| 2913 | legacy_input_format, &ctf_legacy_opts, |
| 2914 | legacy_input_paths)) { |
| 2915 | printf_err("Cannot convert legacy input format options to source component instance(s)\n"); |
| 2916 | goto error; |
| 2917 | } |
| 2918 | if (append_sources_from_implicit_params(cfg->sources, |
| 2919 | implicit_source_comp)) { |
| 2920 | printf_err("Cannot initialize legacy component parameters\n"); |
| 2921 | goto error; |
| 2922 | } |
| 2923 | use_implicit_source = false; |
| 2924 | } else { |
| 2925 | if (use_implicit_source) { |
| 2926 | add_cfg_comp(cfg, implicit_source_comp, |
| 2927 | BT_CONFIG_COMPONENT_DEST_SOURCE); |
| 2928 | implicit_source_comp = NULL; |
| 2929 | } else { |
| 2930 | if (implicit_source_comp |
| 2931 | && !bt_value_map_is_empty(implicit_source_comp->params)) { |
| 2932 | printf_err("Arguments specified for implicit source, but an explicit source has been specified, overriding it\n"); |
| 2933 | goto error; |
| 2934 | } |
| 2935 | } |
| 2936 | } |
| 2937 | |
| 2938 | /* |
| 2939 | * If there's a legacy output format, convert it to sink |
| 2940 | * component configurations. |
| 2941 | */ |
| 2942 | if (legacy_output_format) { |
| 2943 | if (append_sinks_from_legacy_opts(cfg->sinks, |
| 2944 | legacy_output_format, &text_legacy_opts)) { |
| 2945 | printf_err("Cannot convert legacy output format options to sink component instance(s)\n"); |
| 2946 | goto error; |
| 2947 | } |
| 2948 | } |
| 2949 | |
| 2950 | if (cfg->sinks->len == 0) { |
| 2951 | /* Use implicit sink as default. */ |
| 2952 | cur_cfg_comp = bt_config_component_from_arg(DEFAULT_SINK_COMPONENT_NAME); |
| 2953 | if (!cur_cfg_comp) { |
| 2954 | printf_error("Cannot find implicit sink plugin \"%s\"\n", |
| 2955 | DEFAULT_SINK_COMPONENT_NAME); |
| 2956 | } |
| 2957 | add_cfg_comp(cfg, cur_cfg_comp, |
| 2958 | BT_CONFIG_COMPONENT_DEST_SINK); |
| 2959 | cur_cfg_comp = NULL; |
| 2960 | } |
| 2961 | |
| 2962 | goto end; |
| 2963 | |
| 2964 | error: |
| 2965 | *exit_code = 1; |
| 2966 | put_cfg: |
| 2967 | BT_PUT(cfg); |
| 2968 | cfg = NULL; |
| 2969 | end: |
| 2970 | if (pc) { |
| 2971 | poptFreeContext(pc); |
| 2972 | } |
| 2973 | |
| 2974 | if (text_legacy_opts.output) { |
| 2975 | g_string_free(text_legacy_opts.output, TRUE); |
| 2976 | } |
| 2977 | |
| 2978 | if (text_legacy_opts.dbg_info_dir) { |
| 2979 | g_string_free(text_legacy_opts.dbg_info_dir, TRUE); |
| 2980 | } |
| 2981 | |
| 2982 | if (text_legacy_opts.dbg_info_target_prefix) { |
| 2983 | g_string_free(text_legacy_opts.dbg_info_target_prefix, TRUE); |
| 2984 | } |
| 2985 | |
| 2986 | free(arg); |
| 2987 | BT_PUT(implicit_source_comp); |
| 2988 | BT_PUT(cur_cfg_comp); |
| 2989 | BT_PUT(cur_base_params); |
| 2990 | BT_PUT(text_legacy_opts.names); |
| 2991 | BT_PUT(text_legacy_opts.fields); |
| 2992 | BT_PUT(legacy_input_paths); |
| 2993 | return cfg; |
| 2994 | } |