| | 1 | /* |
| | 2 | * This file contains the ini and command liner parser main. |
| | 3 | */ |
| | 4 | #include <stdio.h> |
| | 5 | #include <stdlib.h> |
| | 6 | #include <ctype.h> |
| | 7 | #include <string.h> |
| | 8 | #include <errno.h> |
| | 9 | #include <limits.h> |
| | 10 | #include <float.h> |
| | 11 | |
| | 12 | #include "compiler/compiler.h" |
| | 13 | #include "parse.h" |
| | 14 | #include "debug.h" |
| | 15 | #include "log.h" |
| | 16 | #include "options.h" |
| | 17 | #include "optgroup.h" |
| | 18 | #include "minmax.h" |
| | 19 | #include "lib/ieee754.h" |
| | 20 | #include "lib/pow2.h" |
| | 21 | |
| | 22 | #ifdef CONFIG_ARITHMETIC |
| | 23 | #include "y.tab.h" |
| | 24 | #endif |
| | 25 | |
| | 26 | static const char *opt_type_names[] = { |
| | 27 | "OPT_INVALID", |
| | 28 | "OPT_STR", |
| | 29 | "OPT_STR_ULL", |
| | 30 | "OPT_STR_MULTI", |
| | 31 | "OPT_STR_VAL", |
| | 32 | "OPT_STR_VAL_TIME", |
| | 33 | "OPT_STR_STORE", |
| | 34 | "OPT_RANGE", |
| | 35 | "OPT_INT", |
| | 36 | "OPT_ULL", |
| | 37 | "OPT_BOOL", |
| | 38 | "OPT_FLOAT_LIST", |
| | 39 | "OPT_STR_SET", |
| | 40 | "OPT_DEPRECATED", |
| | 41 | "OPT_SOFT_DEPRECATED", |
| | 42 | "OPT_UNSUPPORTED", |
| | 43 | }; |
| | 44 | |
| | 45 | static const struct fio_option *__fio_options; |
| | 46 | |
| | 47 | static int vp_cmp(const void *p1, const void *p2) |
| | 48 | { |
| | 49 | const struct value_pair *vp1 = p1; |
| | 50 | const struct value_pair *vp2 = p2; |
| | 51 | |
| | 52 | return strlen(vp2->ival) - strlen(vp1->ival); |
| | 53 | } |
| | 54 | |
| | 55 | static void posval_sort(const struct fio_option *o, struct value_pair *vpmap) |
| | 56 | { |
| | 57 | const struct value_pair *vp; |
| | 58 | int entries; |
| | 59 | |
| | 60 | memset(vpmap, 0, PARSE_MAX_VP * sizeof(struct value_pair)); |
| | 61 | |
| | 62 | for (entries = 0; entries < PARSE_MAX_VP; entries++) { |
| | 63 | vp = &o->posval[entries]; |
| | 64 | if (!vp->ival || vp->ival[0] == '\0') |
| | 65 | break; |
| | 66 | |
| | 67 | memcpy(&vpmap[entries], vp, sizeof(*vp)); |
| | 68 | } |
| | 69 | |
| | 70 | qsort(vpmap, entries, sizeof(struct value_pair), vp_cmp); |
| | 71 | } |
| | 72 | |
| | 73 | static void show_option_range(const struct fio_option *o, |
| | 74 | ssize_t (*logger)(const char *format, ...)) |
| | 75 | { |
| | 76 | if (o->type == FIO_OPT_FLOAT_LIST) { |
| | 77 | const char *sep = ""; |
| | 78 | if (!o->minfp && !o->maxfp) |
| | 79 | return; |
| | 80 | |
| | 81 | logger("%20s: ", "range"); |
| | 82 | if (o->minfp != DBL_MIN) { |
| | 83 | logger("min=%f", o->minfp); |
| | 84 | sep = ", "; |
| | 85 | } |
| | 86 | if (o->maxfp != DBL_MAX) |
| | 87 | logger("%smax=%f", sep, o->maxfp); |
| | 88 | logger("\n"); |
| | 89 | } else if (!o->posval[0].ival) { |
| | 90 | if (!o->minval && !o->maxval) |
| | 91 | return; |
| | 92 | |
| | 93 | logger("%20s: min=%d", "range", o->minval); |
| | 94 | if (o->maxval) |
| | 95 | logger(", max=%d", o->maxval); |
| | 96 | logger("\n"); |
| | 97 | } |
| | 98 | } |
| | 99 | |
| | 100 | static void show_option_values(const struct fio_option *o) |
| | 101 | { |
| | 102 | int i; |
| | 103 | |
| | 104 | for (i = 0; i < PARSE_MAX_VP; i++) { |
| | 105 | const struct value_pair *vp = &o->posval[i]; |
| | 106 | |
| | 107 | if (!vp->ival) |
| | 108 | continue; |
| | 109 | |
| | 110 | log_info("%20s: %-10s", i == 0 ? "valid values" : "", vp->ival); |
| | 111 | if (vp->help) |
| | 112 | log_info(" %s", vp->help); |
| | 113 | log_info("\n"); |
| | 114 | } |
| | 115 | |
| | 116 | if (i) |
| | 117 | log_info("\n"); |
| | 118 | } |
| | 119 | |
| | 120 | static void show_option_help(const struct fio_option *o, int is_err) |
| | 121 | { |
| | 122 | const char *typehelp[] = { |
| | 123 | [FIO_OPT_INVALID] = "invalid", |
| | 124 | [FIO_OPT_STR] = "string (opt=bla)", |
| | 125 | [FIO_OPT_STR_ULL] = "string (opt=bla)", |
| | 126 | [FIO_OPT_STR_MULTI] = "string with possible k/m/g postfix (opt=4k)", |
| | 127 | [FIO_OPT_STR_VAL] = "string (opt=bla)", |
| | 128 | [FIO_OPT_STR_VAL_TIME] = "string with time postfix (opt=10s)", |
| | 129 | [FIO_OPT_STR_STORE] = "string (opt=bla)", |
| | 130 | [FIO_OPT_RANGE] = "one to three ranges (opt=1k-4k[,4k-8k[,1k-8k]])", |
| | 131 | [FIO_OPT_INT] = "integer value (opt=100)", |
| | 132 | [FIO_OPT_ULL] = "integer value (opt=100)", |
| | 133 | [FIO_OPT_BOOL] = "boolean value (opt=1)", |
| | 134 | [FIO_OPT_FLOAT_LIST] = "list of floating point values separated by ':' (opt=5.9:7.8)", |
| | 135 | [FIO_OPT_STR_SET] = "empty or boolean value ([0|1])", |
| | 136 | [FIO_OPT_DEPRECATED] = "deprecated", |
| | 137 | [FIO_OPT_SOFT_DEPRECATED] = "deprecated", |
| | 138 | [FIO_OPT_UNSUPPORTED] = "unsupported", |
| | 139 | }; |
| | 140 | ssize_t (*logger)(const char *format, ...); |
| | 141 | |
| | 142 | if (is_err) |
| | 143 | logger = log_err; |
| | 144 | else |
| | 145 | logger = log_info; |
| | 146 | |
| | 147 | if (o->alias) |
| | 148 | logger("%20s: %s\n", "alias", o->alias); |
| | 149 | |
| | 150 | logger("%20s: %s\n", "type", typehelp[o->type]); |
| | 151 | logger("%20s: %s\n", "default", o->def ? o->def : "no default"); |
| | 152 | if (o->prof_name) |
| | 153 | logger("%20s: only for profile '%s'\n", "valid", o->prof_name); |
| | 154 | show_option_range(o, logger); |
| | 155 | show_option_values(o); |
| | 156 | } |
| | 157 | |
| | 158 | static unsigned long long get_mult_time(const char *str, int len, |
| | 159 | int is_seconds) |
| | 160 | { |
| | 161 | const char *p = str; |
| | 162 | char *c; |
| | 163 | unsigned long long mult = 1; |
| | 164 | int i; |
| | 165 | |
| | 166 | /* |
| | 167 | * Go forward until we hit a non-digit, or +/- sign |
| | 168 | */ |
| | 169 | while ((p - str) <= len) { |
| | 170 | if (!isdigit((int) *p) && (*p != '+') && (*p != '-')) |
| | 171 | break; |
| | 172 | p++; |
| | 173 | } |
| | 174 | |
| | 175 | if (!isalpha((int) *p)) { |
| | 176 | if (is_seconds) |
| | 177 | return 1000000UL; |
| | 178 | else |
| | 179 | return 1; |
| | 180 | } |
| | 181 | |
| | 182 | c = strdup(p); |
| | 183 | for (i = 0; i < strlen(c); i++) |
| | 184 | c[i] = tolower((unsigned char)c[i]); |
| | 185 | |
| | 186 | if (!strncmp("us", c, 2) || !strncmp("usec", c, 4)) |
| | 187 | mult = 1; |
| | 188 | else if (!strncmp("ms", c, 2) || !strncmp("msec", c, 4)) |
| | 189 | mult = 1000; |
| | 190 | else if (!strcmp("s", c)) |
| | 191 | mult = 1000000; |
| | 192 | else if (!strcmp("m", c)) |
| | 193 | mult = 60 * 1000000UL; |
| | 194 | else if (!strcmp("h", c)) |
| | 195 | mult = 60 * 60 * 1000000UL; |
| | 196 | else if (!strcmp("d", c)) |
| | 197 | mult = 24 * 60 * 60 * 1000000ULL; |
| | 198 | |
| | 199 | free(c); |
| | 200 | return mult; |
| | 201 | } |
| | 202 | |
| | 203 | static int is_separator(char c) |
| | 204 | { |
| | 205 | switch (c) { |
| | 206 | case ':': |
| | 207 | case '-': |
| | 208 | case ',': |
| | 209 | case '/': |
| | 210 | return 1; |
| | 211 | default: |
| | 212 | return 0; |
| | 213 | } |
| | 214 | } |
| | 215 | |
| | 216 | static unsigned long long __get_mult_bytes(const char *p, void *data, |
| | 217 | int *percent) |
| | 218 | { |
| | 219 | unsigned int kb_base = fio_get_kb_base(data); |
| | 220 | unsigned long long ret = 1; |
| | 221 | unsigned int i, pow = 0, mult = kb_base; |
| | 222 | char *c; |
| | 223 | |
| | 224 | if (!p) |
| | 225 | return 1; |
| | 226 | |
| | 227 | c = strdup(p); |
| | 228 | |
| | 229 | for (i = 0; i < strlen(c); i++) { |
| | 230 | c[i] = tolower((unsigned char)c[i]); |
| | 231 | if (is_separator(c[i])) { |
| | 232 | c[i] = '\0'; |
| | 233 | break; |
| | 234 | } |
| | 235 | } |
| | 236 | |
| | 237 | /* If kb_base is 1000, use true units. |
| | 238 | * If kb_base is 1024, use opposite units. |
| | 239 | */ |
| | 240 | if (!strncmp("pib", c, 3)) { |
| | 241 | pow = 5; |
| | 242 | if (kb_base == 1000) |
| | 243 | mult = 1024; |
| | 244 | else if (kb_base == 1024) |
| | 245 | mult = 1000; |
| | 246 | } else if (!strncmp("tib", c, 3)) { |
| | 247 | pow = 4; |
| | 248 | if (kb_base == 1000) |
| | 249 | mult = 1024; |
| | 250 | else if (kb_base == 1024) |
| | 251 | mult = 1000; |
| | 252 | } else if (!strncmp("gib", c, 3)) { |
| | 253 | pow = 3; |
| | 254 | if (kb_base == 1000) |
| | 255 | mult = 1024; |
| | 256 | else if (kb_base == 1024) |
| | 257 | mult = 1000; |
| | 258 | } else if (!strncmp("mib", c, 3)) { |
| | 259 | pow = 2; |
| | 260 | if (kb_base == 1000) |
| | 261 | mult = 1024; |
| | 262 | else if (kb_base == 1024) |
| | 263 | mult = 1000; |
| | 264 | } else if (!strncmp("kib", c, 3)) { |
| | 265 | pow = 1; |
| | 266 | if (kb_base == 1000) |
| | 267 | mult = 1024; |
| | 268 | else if (kb_base == 1024) |
| | 269 | mult = 1000; |
| | 270 | } else if (!strncmp("p", c, 1) || !strncmp("pb", c, 2)) { |
| | 271 | pow = 5; |
| | 272 | } else if (!strncmp("t", c, 1) || !strncmp("tb", c, 2)) { |
| | 273 | pow = 4; |
| | 274 | } else if (!strncmp("g", c, 1) || !strncmp("gb", c, 2)) { |
| | 275 | pow = 3; |
| | 276 | } else if (!strncmp("m", c, 1) || !strncmp("mb", c, 2)) { |
| | 277 | pow = 2; |
| | 278 | } else if (!strncmp("k", c, 1) || !strncmp("kb", c, 2)) { |
| | 279 | pow = 1; |
| | 280 | } else if (!strncmp("%", c, 1)) { |
| | 281 | *percent = 1; |
| | 282 | free(c); |
| | 283 | return ret; |
| | 284 | } |
| | 285 | |
| | 286 | while (pow--) |
| | 287 | ret *= (unsigned long long) mult; |
| | 288 | |
| | 289 | free(c); |
| | 290 | return ret; |
| | 291 | } |
| | 292 | |
| | 293 | static unsigned long long get_mult_bytes(const char *str, int len, void *data, |
| | 294 | int *percent) |
| | 295 | { |
| | 296 | const char *p = str; |
| | 297 | int digit_seen = 0; |
| | 298 | |
| | 299 | if (len < 2) |
| | 300 | return __get_mult_bytes(str, data, percent); |
| | 301 | |
| | 302 | /* |
| | 303 | * Go forward until we hit a non-digit, or +/- sign |
| | 304 | */ |
| | 305 | while ((p - str) <= len) { |
| | 306 | if (!isdigit((int) *p) && |
| | 307 | (((*p != '+') && (*p != '-')) || digit_seen)) |
| | 308 | break; |
| | 309 | digit_seen |= isdigit((int) *p); |
| | 310 | p++; |
| | 311 | } |
| | 312 | |
| | 313 | if (!isalpha((int) *p) && (*p != '%')) |
| | 314 | p = NULL; |
| | 315 | |
| | 316 | return __get_mult_bytes(p, data, percent); |
| | 317 | } |
| | 318 | |
| | 319 | extern int evaluate_arithmetic_expression(const char *buffer, long long *ival, |
| | 320 | double *dval, double implied_units, |
| | 321 | int is_time); |
| | 322 | |
| | 323 | /* |
| | 324 | * Convert string into a floating number. Return 1 for success and 0 otherwise. |
| | 325 | */ |
| | 326 | int str_to_float(const char *str, double *val, int is_time) |
| | 327 | { |
| | 328 | #ifdef CONFIG_ARITHMETIC |
| | 329 | int rc; |
| | 330 | long long ival; |
| | 331 | double dval; |
| | 332 | |
| | 333 | if (str[0] == '(') { |
| | 334 | rc = evaluate_arithmetic_expression(str, &ival, &dval, 1.0, is_time); |
| | 335 | if (!rc) { |
| | 336 | *val = dval; |
| | 337 | return 1; |
| | 338 | } |
| | 339 | } |
| | 340 | #endif |
| | 341 | return 1 == sscanf(str, "%lf", val); |
| | 342 | } |
| | 343 | |
| | 344 | /* |
| | 345 | * convert string into decimal value, noting any size suffix |
| | 346 | */ |
| | 347 | int str_to_decimal(const char *str, long long *val, int kilo, void *data, |
| | 348 | int is_seconds, int is_time) |
| | 349 | { |
| | 350 | int len, base; |
| | 351 | int rc = 1; |
| | 352 | #ifdef CONFIG_ARITHMETIC |
| | 353 | long long ival; |
| | 354 | double dval; |
| | 355 | double implied_units = 1.0; |
| | 356 | #endif |
| | 357 | |
| | 358 | len = strlen(str); |
| | 359 | if (!len) |
| | 360 | return 1; |
| | 361 | |
| | 362 | #ifdef CONFIG_ARITHMETIC |
| | 363 | if (is_seconds) |
| | 364 | implied_units = 1000000.0; |
| | 365 | if (str[0] == '(') |
| | 366 | rc = evaluate_arithmetic_expression(str, &ival, &dval, implied_units, is_time); |
| | 367 | if (str[0] == '(' && !rc) { |
| | 368 | if (!kilo && is_seconds) |
| | 369 | *val = ival / 1000000LL; |
| | 370 | else |
| | 371 | *val = ival; |
| | 372 | } |
| | 373 | #endif |
| | 374 | |
| | 375 | if (rc == 1) { |
| | 376 | char *endptr; |
| | 377 | |
| | 378 | if (strstr(str, "0x") || strstr(str, "0X")) |
| | 379 | base = 16; |
| | 380 | else |
| | 381 | base = 10; |
| | 382 | |
| | 383 | *val = strtoll(str, &endptr, base); |
| | 384 | if (*val == 0 && endptr == str) |
| | 385 | return 1; |
| | 386 | if (*val == LONG_MAX && errno == ERANGE) |
| | 387 | return 1; |
| | 388 | } |
| | 389 | |
| | 390 | if (kilo) { |
| | 391 | unsigned long long mult; |
| | 392 | int perc = 0; |
| | 393 | |
| | 394 | mult = get_mult_bytes(str, len, data, &perc); |
| | 395 | if (perc) |
| | 396 | *val = -1ULL - *val; |
| | 397 | else |
| | 398 | *val *= mult; |
| | 399 | } else |
| | 400 | *val *= get_mult_time(str, len, is_seconds); |
| | 401 | |
| | 402 | return 0; |
| | 403 | } |
| | 404 | |
| | 405 | int check_str_bytes(const char *p, long long *val, void *data) |
| | 406 | { |
| | 407 | return str_to_decimal(p, val, 1, data, 0, 0); |
| | 408 | } |
| | 409 | |
| | 410 | int check_str_time(const char *p, long long *val, int is_seconds) |
| | 411 | { |
| | 412 | return str_to_decimal(p, val, 0, NULL, is_seconds, 1); |
| | 413 | } |
| | 414 | |
| | 415 | void strip_blank_front(char **p) |
| | 416 | { |
| | 417 | char *s = *p; |
| | 418 | |
| | 419 | if (!strlen(s)) |
| | 420 | return; |
| | 421 | while (isspace((int) *s)) |
| | 422 | s++; |
| | 423 | |
| | 424 | *p = s; |
| | 425 | } |
| | 426 | |
| | 427 | void strip_blank_end(char *p) |
| | 428 | { |
| | 429 | char *start = p, *s; |
| | 430 | |
| | 431 | if (!strlen(p)) |
| | 432 | return; |
| | 433 | |
| | 434 | s = strchr(p, ';'); |
| | 435 | if (s) |
| | 436 | *s = '\0'; |
| | 437 | s = strchr(p, '#'); |
| | 438 | if (s) |
| | 439 | *s = '\0'; |
| | 440 | if (s) |
| | 441 | p = s; |
| | 442 | |
| | 443 | s = p + strlen(p); |
| | 444 | while ((isspace((int) *s) || iscntrl((int) *s)) && (s > start)) |
| | 445 | s--; |
| | 446 | |
| | 447 | *(s + 1) = '\0'; |
| | 448 | } |
| | 449 | |
| | 450 | static int check_range_bytes(const char *str, long long *val, void *data) |
| | 451 | { |
| | 452 | long long __val; |
| | 453 | |
| | 454 | if (!str_to_decimal(str, &__val, 1, data, 0, 0)) { |
| | 455 | *val = __val; |
| | 456 | return 0; |
| | 457 | } |
| | 458 | |
| | 459 | return 1; |
| | 460 | } |
| | 461 | |
| | 462 | static int check_int(const char *p, int *val) |
| | 463 | { |
| | 464 | if (!strlen(p)) |
| | 465 | return 1; |
| | 466 | if (strstr(p, "0x") || strstr(p, "0X")) { |
| | 467 | if (sscanf(p, "%x", val) == 1) |
| | 468 | return 0; |
| | 469 | } else { |
| | 470 | if (sscanf(p, "%u", val) == 1) |
| | 471 | return 0; |
| | 472 | } |
| | 473 | |
| | 474 | return 1; |
| | 475 | } |
| | 476 | |
| | 477 | static size_t opt_len(const char *str) |
| | 478 | { |
| | 479 | char *postfix; |
| | 480 | |
| | 481 | postfix = strchr(str, ':'); |
| | 482 | if (!postfix) |
| | 483 | return strlen(str); |
| | 484 | |
| | 485 | return (int)(postfix - str); |
| | 486 | } |
| | 487 | |
| | 488 | static int str_match_len(const struct value_pair *vp, const char *str) |
| | 489 | { |
| | 490 | return max(strlen(vp->ival), opt_len(str)); |
| | 491 | } |
| | 492 | |
| | 493 | #define val_store(ptr, val, off, or, data, o) \ |
| | 494 | do { \ |
| | 495 | ptr = td_var((data), (o), (off)); \ |
| | 496 | if ((or)) \ |
| | 497 | *ptr |= (val); \ |
| | 498 | else \ |
| | 499 | *ptr = (val); \ |
| | 500 | } while (0) |
| | 501 | |
| | 502 | static const char *opt_type_name(const struct fio_option *o) |
| | 503 | { |
| | 504 | compiletime_assert(ARRAY_SIZE(opt_type_names) - 1 == FIO_OPT_UNSUPPORTED, |
| | 505 | "opt_type_names[] index"); |
| | 506 | |
| | 507 | if (o->type <= FIO_OPT_UNSUPPORTED) |
| | 508 | return opt_type_names[o->type]; |
| | 509 | |
| | 510 | return "OPT_UNKNOWN?"; |
| | 511 | } |
| | 512 | |
| | 513 | static bool val_too_large(const struct fio_option *o, unsigned long long val, |
| | 514 | bool is_uint) |
| | 515 | { |
| | 516 | if (!o->maxval) |
| | 517 | return false; |
| | 518 | |
| | 519 | if (is_uint) { |
| | 520 | if ((int) val < 0) |
| | 521 | return (int) val > (int) o->maxval; |
| | 522 | return (unsigned int) val > o->maxval; |
| | 523 | } |
| | 524 | |
| | 525 | return val > o->maxval; |
| | 526 | } |
| | 527 | |
| | 528 | static bool val_too_small(const struct fio_option *o, unsigned long long val, |
| | 529 | bool is_uint) |
| | 530 | { |
| | 531 | if (!o->minval) |
| | 532 | return false; |
| | 533 | |
| | 534 | if (is_uint) |
| | 535 | return (int) val < o->minval; |
| | 536 | |
| | 537 | return val < o->minval; |
| | 538 | } |
| | 539 | |
| | 540 | static int __handle_option(const struct fio_option *o, const char *ptr, |
| | 541 | void *data, int first, int more, int curr) |
| | 542 | { |
| | 543 | int il=0, *ilp; |
| | 544 | fio_fp64_t *flp; |
| | 545 | long long ull, *ullp; |
| | 546 | long ul2; |
| | 547 | long long ull1, ull2; |
| | 548 | double uf; |
| | 549 | char **cp = NULL; |
| | 550 | int ret = 0, is_time = 0; |
| | 551 | const struct value_pair *vp; |
| | 552 | struct value_pair posval[PARSE_MAX_VP]; |
| | 553 | int i, all_skipped = 1; |
| | 554 | |
| | 555 | dprint(FD_PARSE, "__handle_option=%s, type=%s, ptr=%s\n", o->name, |
| | 556 | opt_type_name(o), ptr); |
| | 557 | |
| | 558 | if (!ptr && o->type != FIO_OPT_STR_SET && o->type != FIO_OPT_STR) { |
| | 559 | log_err("Option %s requires an argument\n", o->name); |
| | 560 | return 1; |
| | 561 | } |
| | 562 | |
| | 563 | switch (o->type) { |
| | 564 | case FIO_OPT_STR: |
| | 565 | case FIO_OPT_STR_ULL: |
| | 566 | case FIO_OPT_STR_MULTI: { |
| | 567 | fio_opt_str_fn *fn = o->cb; |
| | 568 | |
| | 569 | posval_sort(o, posval); |
| | 570 | |
| | 571 | ret = 1; |
| | 572 | for (i = 0; i < PARSE_MAX_VP; i++) { |
| | 573 | vp = &posval[i]; |
| | 574 | if (!vp->ival || vp->ival[0] == '\0') |
| | 575 | continue; |
| | 576 | all_skipped = 0; |
| | 577 | if (!ptr) |
| | 578 | break; |
| | 579 | if (!strncmp(vp->ival, ptr, str_match_len(vp, ptr))) { |
| | 580 | ret = 0; |
| | 581 | if (!o->off1) |
| | 582 | continue; |
| | 583 | if (o->type == FIO_OPT_STR_ULL) |
| | 584 | val_store(ullp, vp->oval, o->off1, vp->orval, data, o); |
| | 585 | else |
| | 586 | val_store(ilp, vp->oval, o->off1, vp->orval, data, o); |
| | 587 | continue; |
| | 588 | } |
| | 589 | } |
| | 590 | |
| | 591 | if (ret && !all_skipped) |
| | 592 | show_option_values(o); |
| | 593 | else if (fn) |
| | 594 | ret = fn(data, ptr); |
| | 595 | break; |
| | 596 | } |
| | 597 | case FIO_OPT_STR_VAL_TIME: |
| | 598 | is_time = 1; |
| | 599 | /* fall through */ |
| | 600 | case FIO_OPT_ULL: |
| | 601 | case FIO_OPT_INT: |
| | 602 | case FIO_OPT_STR_VAL: { |
| | 603 | fio_opt_str_val_fn *fn = o->cb; |
| | 604 | char tmp[128], *p; |
| | 605 | |
| | 606 | if (!is_time && o->is_time) |
| | 607 | is_time = o->is_time; |
| | 608 | |
| | 609 | snprintf(tmp, sizeof(tmp), "%s", ptr); |
| | 610 | p = strchr(tmp, ','); |
| | 611 | if (p) |
| | 612 | *p = '\0'; |
| | 613 | |
| | 614 | if (is_time) |
| | 615 | ret = check_str_time(tmp, &ull, o->is_seconds); |
| | 616 | else |
| | 617 | ret = check_str_bytes(tmp, &ull, data); |
| | 618 | |
| | 619 | dprint(FD_PARSE, " ret=%d, out=%llu\n", ret, ull); |
| | 620 | |
| | 621 | if (ret) |
| | 622 | break; |
| | 623 | if (o->pow2 && !is_power_of_2(ull)) { |
| | 624 | log_err("%s: must be a power-of-2\n", o->name); |
| | 625 | return 1; |
| | 626 | } |
| | 627 | |
| | 628 | if (val_too_large(o, ull, o->type == FIO_OPT_INT)) { |
| | 629 | log_err("%s: max value out of range: %llu" |
| | 630 | " (%llu max)\n", o->name, ull, o->maxval); |
| | 631 | return 1; |
| | 632 | } |
| | 633 | if (val_too_small(o, ull, o->type == FIO_OPT_INT)) { |
| | 634 | log_err("%s: min value out of range: %lld" |
| | 635 | " (%d min)\n", o->name, ull, o->minval); |
| | 636 | return 1; |
| | 637 | } |
| | 638 | if (o->posval[0].ival) { |
| | 639 | posval_sort(o, posval); |
| | 640 | |
| | 641 | ret = 1; |
| | 642 | for (i = 0; i < PARSE_MAX_VP; i++) { |
| | 643 | vp = &posval[i]; |
| | 644 | if (!vp->ival || vp->ival[0] == '\0') |
| | 645 | continue; |
| | 646 | if (vp->oval == ull) { |
| | 647 | ret = 0; |
| | 648 | break; |
| | 649 | } |
| | 650 | } |
| | 651 | if (ret) { |
| | 652 | log_err("fio: value %llu not allowed:\n", ull); |
| | 653 | show_option_values(o); |
| | 654 | return 1; |
| | 655 | } |
| | 656 | } |
| | 657 | |
| | 658 | if (fn) |
| | 659 | ret = fn(data, &ull); |
| | 660 | else { |
| | 661 | if (o->type == FIO_OPT_INT) { |
| | 662 | if (first) |
| | 663 | val_store(ilp, ull, o->off1, 0, data, o); |
| | 664 | if (curr == 1) { |
| | 665 | if (o->off2) |
| | 666 | val_store(ilp, ull, o->off2, 0, data, o); |
| | 667 | } |
| | 668 | if (curr == 2) { |
| | 669 | if (o->off3) |
| | 670 | val_store(ilp, ull, o->off3, 0, data, o); |
| | 671 | } |
| | 672 | if (!more) { |
| | 673 | if (curr < 1) { |
| | 674 | if (o->off2) |
| | 675 | val_store(ilp, ull, o->off2, 0, data, o); |
| | 676 | } |
| | 677 | if (curr < 2) { |
| | 678 | if (o->off3) |
| | 679 | val_store(ilp, ull, o->off3, 0, data, o); |
| | 680 | } |
| | 681 | } |
| | 682 | } else if (o->type == FIO_OPT_ULL) { |
| | 683 | if (first) |
| | 684 | val_store(ullp, ull, o->off1, 0, data, o); |
| | 685 | if (curr == 1) { |
| | 686 | if (o->off2) |
| | 687 | val_store(ullp, ull, o->off2, 0, data, o); |
| | 688 | } |
| | 689 | if (curr == 2) { |
| | 690 | if (o->off3) |
| | 691 | val_store(ullp, ull, o->off3, 0, data, o); |
| | 692 | } |
| | 693 | if (!more) { |
| | 694 | if (curr < 1) { |
| | 695 | if (o->off2) |
| | 696 | val_store(ullp, ull, o->off2, 0, data, o); |
| | 697 | } |
| | 698 | if (curr < 2) { |
| | 699 | if (o->off3) |
| | 700 | val_store(ullp, ull, o->off3, 0, data, o); |
| | 701 | } |
| | 702 | } |
| | 703 | } else { |
| | 704 | if (first) |
| | 705 | val_store(ullp, ull, o->off1, 0, data, o); |
| | 706 | if (!more) { |
| | 707 | if (o->off2) |
| | 708 | val_store(ullp, ull, o->off2, 0, data, o); |
| | 709 | } |
| | 710 | } |
| | 711 | } |
| | 712 | break; |
| | 713 | } |
| | 714 | case FIO_OPT_FLOAT_LIST: { |
| | 715 | char *cp2; |
| | 716 | |
| | 717 | if (first) { |
| | 718 | /* |
| | 719 | ** Initialize precision to 0 and zero out list |
| | 720 | ** in case specified list is shorter than default |
| | 721 | */ |
| | 722 | if (o->off2) { |
| | 723 | ul2 = 0; |
| | 724 | ilp = td_var(data, o, o->off2); |
| | 725 | *ilp = ul2; |
| | 726 | } |
| | 727 | |
| | 728 | flp = td_var(data, o, o->off1); |
| | 729 | for(i = 0; i < o->maxlen; i++) |
| | 730 | flp[i].u.f = 0.0; |
| | 731 | } |
| | 732 | if (curr >= o->maxlen) { |
| | 733 | log_err("the list exceeding max length %d\n", |
| | 734 | o->maxlen); |
| | 735 | return 1; |
| | 736 | } |
| | 737 | if (!str_to_float(ptr, &uf, 0)) { /* this breaks if we ever have lists of times */ |
| | 738 | log_err("not a floating point value: %s\n", ptr); |
| | 739 | return 1; |
| | 740 | } |
| | 741 | if (o->minfp || o->maxfp) { |
| | 742 | if (uf > o->maxfp) { |
| | 743 | log_err("value out of range: %f" |
| | 744 | " (range max: %f)\n", uf, o->maxfp); |
| | 745 | return 1; |
| | 746 | } |
| | 747 | if (uf < o->minfp) { |
| | 748 | log_err("value out of range: %f" |
| | 749 | " (range min: %f)\n", uf, o->minfp); |
| | 750 | return 1; |
| | 751 | } |
| | 752 | } |
| | 753 | |
| | 754 | flp = td_var(data, o, o->off1); |
| | 755 | flp[curr].u.f = uf; |
| | 756 | |
| | 757 | dprint(FD_PARSE, " out=%f\n", uf); |
| | 758 | |
| | 759 | /* |
| | 760 | ** Calculate precision for output by counting |
| | 761 | ** number of digits after period. Find first |
| | 762 | ** period in entire remaining list each time |
| | 763 | */ |
| | 764 | cp2 = strchr(ptr, '.'); |
| | 765 | if (cp2 != NULL) { |
| | 766 | int len = 0; |
| | 767 | |
| | 768 | while (*++cp2 != '\0' && *cp2 >= '0' && *cp2 <= '9') |
| | 769 | len++; |
| | 770 | |
| | 771 | if (o->off2) { |
| | 772 | ilp = td_var(data, o, o->off2); |
| | 773 | if (len > *ilp) |
| | 774 | *ilp = len; |
| | 775 | } |
| | 776 | } |
| | 777 | |
| | 778 | break; |
| | 779 | } |
| | 780 | case FIO_OPT_STR_STORE: { |
| | 781 | fio_opt_str_fn *fn = o->cb; |
| | 782 | |
| | 783 | if (!strlen(ptr)) |
| | 784 | return 1; |
| | 785 | |
| | 786 | if (o->off1) { |
| | 787 | cp = td_var(data, o, o->off1); |
| | 788 | *cp = strdup(ptr); |
| | 789 | } |
| | 790 | |
| | 791 | if (fn) |
| | 792 | ret = fn(data, ptr); |
| | 793 | else if (o->posval[0].ival) { |
| | 794 | posval_sort(o, posval); |
| | 795 | |
| | 796 | ret = 1; |
| | 797 | for (i = 0; i < PARSE_MAX_VP; i++) { |
| | 798 | vp = &posval[i]; |
| | 799 | if (!vp->ival || vp->ival[0] == '\0' || !cp) |
| | 800 | continue; |
| | 801 | all_skipped = 0; |
| | 802 | if (!strncmp(vp->ival, ptr, str_match_len(vp, ptr))) { |
| | 803 | char *rest; |
| | 804 | |
| | 805 | ret = 0; |
| | 806 | if (vp->cb) |
| | 807 | fn = vp->cb; |
| | 808 | rest = strstr(*cp ?: ptr, ":"); |
| | 809 | if (rest) { |
| | 810 | if (*cp) |
| | 811 | *rest = '\0'; |
| | 812 | ptr = rest + 1; |
| | 813 | } else |
| | 814 | ptr = NULL; |
| | 815 | break; |
| | 816 | } |
| | 817 | } |
| | 818 | } |
| | 819 | |
| | 820 | if (!all_skipped) { |
| | 821 | if (ret && !*cp) |
| | 822 | show_option_values(o); |
| | 823 | else if (ret && *cp) |
| | 824 | ret = 0; |
| | 825 | else if (fn && ptr) |
| | 826 | ret = fn(data, ptr); |
| | 827 | } |
| | 828 | |
| | 829 | break; |
| | 830 | } |
| | 831 | case FIO_OPT_RANGE: { |
| | 832 | char tmp[128]; |
| | 833 | char *p1, *p2; |
| | 834 | |
| | 835 | snprintf(tmp, sizeof(tmp), "%s", ptr); |
| | 836 | |
| | 837 | /* Handle bsrange with separate read,write values: */ |
| | 838 | p1 = strchr(tmp, ','); |
| | 839 | if (p1) |
| | 840 | *p1 = '\0'; |
| | 841 | |
| | 842 | p1 = strchr(tmp, '-'); |
| | 843 | if (!p1) { |
| | 844 | p1 = strchr(tmp, ':'); |
| | 845 | if (!p1) { |
| | 846 | ret = 1; |
| | 847 | break; |
| | 848 | } |
| | 849 | } |
| | 850 | |
| | 851 | p2 = p1 + 1; |
| | 852 | *p1 = '\0'; |
| | 853 | p1 = tmp; |
| | 854 | |
| | 855 | ret = 1; |
| | 856 | if (!check_range_bytes(p1, &ull1, data) && |
| | 857 | !check_range_bytes(p2, &ull2, data)) { |
| | 858 | ret = 0; |
| | 859 | if (ull1 > ull2) { |
| | 860 | unsigned long long foo = ull1; |
| | 861 | |
| | 862 | ull1 = ull2; |
| | 863 | ull2 = foo; |
| | 864 | } |
| | 865 | |
| | 866 | if (first) { |
| | 867 | val_store(ullp, ull1, o->off1, 0, data, o); |
| | 868 | val_store(ullp, ull2, o->off2, 0, data, o); |
| | 869 | } |
| | 870 | if (curr == 1) { |
| | 871 | if (o->off3 && o->off4) { |
| | 872 | val_store(ullp, ull1, o->off3, 0, data, o); |
| | 873 | val_store(ullp, ull2, o->off4, 0, data, o); |
| | 874 | } |
| | 875 | } |
| | 876 | if (curr == 2) { |
| | 877 | if (o->off5 && o->off6) { |
| | 878 | val_store(ullp, ull1, o->off5, 0, data, o); |
| | 879 | val_store(ullp, ull2, o->off6, 0, data, o); |
| | 880 | } |
| | 881 | } |
| | 882 | if (!more) { |
| | 883 | if (curr < 1) { |
| | 884 | if (o->off3 && o->off4) { |
| | 885 | val_store(ullp, ull1, o->off3, 0, data, o); |
| | 886 | val_store(ullp, ull2, o->off4, 0, data, o); |
| | 887 | } |
| | 888 | } |
| | 889 | if (curr < 2) { |
| | 890 | if (o->off5 && o->off6) { |
| | 891 | val_store(ullp, ull1, o->off5, 0, data, o); |
| | 892 | val_store(ullp, ull2, o->off6, 0, data, o); |
| | 893 | } |
| | 894 | } |
| | 895 | } |
| | 896 | } |
| | 897 | |
| | 898 | break; |
| | 899 | } |
| | 900 | case FIO_OPT_BOOL: |
| | 901 | case FIO_OPT_STR_SET: { |
| | 902 | fio_opt_int_fn *fn = o->cb; |
| | 903 | |
| | 904 | if (ptr) |
| | 905 | ret = check_int(ptr, &il); |
| | 906 | else if (o->type == FIO_OPT_BOOL) |
| | 907 | ret = 1; |
| | 908 | else |
| | 909 | il = 1; |
| | 910 | |
| | 911 | dprint(FD_PARSE, " ret=%d, out=%d\n", ret, il); |
| | 912 | |
| | 913 | if (ret) |
| | 914 | break; |
| | 915 | |
| | 916 | if (o->maxval && il > (int) o->maxval) { |
| | 917 | log_err("max value out of range: %d (%llu max)\n", |
| | 918 | il, o->maxval); |
| | 919 | return 1; |
| | 920 | } |
| | 921 | if (o->minval && il < o->minval) { |
| | 922 | log_err("min value out of range: %d (%d min)\n", |
| | 923 | il, o->minval); |
| | 924 | return 1; |
| | 925 | } |
| | 926 | |
| | 927 | if (o->neg) |
| | 928 | il = !il; |
| | 929 | |
| | 930 | if (fn) |
| | 931 | ret = fn(data, &il); |
| | 932 | else { |
| | 933 | if (first) |
| | 934 | val_store(ilp, il, o->off1, 0, data, o); |
| | 935 | if (!more) { |
| | 936 | if (o->off2) |
| | 937 | val_store(ilp, il, o->off2, 0, data, o); |
| | 938 | } |
| | 939 | } |
| | 940 | break; |
| | 941 | } |
| | 942 | case FIO_OPT_DEPRECATED: |
| | 943 | ret = 1; |
| | 944 | /* fall through */ |
| | 945 | case FIO_OPT_SOFT_DEPRECATED: |
| | 946 | log_info("Option %s is deprecated\n", o->name); |
| | 947 | break; |
| | 948 | default: |
| | 949 | log_err("Bad option type %u\n", o->type); |
| | 950 | ret = 1; |
| | 951 | } |
| | 952 | |
| | 953 | if (ret) |
| | 954 | return ret; |
| | 955 | |
| | 956 | if (o->verify) { |
| | 957 | ret = o->verify(o, data); |
| | 958 | if (ret) { |
| | 959 | log_err("Correct format for offending option\n"); |
| | 960 | log_err("%20s: %s\n", o->name, o->help); |
| | 961 | show_option_help(o, 1); |
| | 962 | } |
| | 963 | } |
| | 964 | |
| | 965 | return ret; |
| | 966 | } |
| | 967 | |
| | 968 | static int handle_option(const struct fio_option *o, const char *__ptr, |
| | 969 | void *data) |
| | 970 | { |
| | 971 | char *o_ptr, *ptr, *ptr2; |
| | 972 | int ret, done; |
| | 973 | |
| | 974 | dprint(FD_PARSE, "handle_option=%s, ptr=%s\n", o->name, __ptr); |
| | 975 | |
| | 976 | o_ptr = ptr = NULL; |
| | 977 | if (__ptr) |
| | 978 | o_ptr = ptr = strdup(__ptr); |
| | 979 | |
| | 980 | /* |
| | 981 | * See if we have another set of parameters, hidden after a comma. |
| | 982 | * Do this before parsing this round, to check if we should |
| | 983 | * copy set 1 options to set 2. |
| | 984 | */ |
| | 985 | done = 0; |
| | 986 | ret = 1; |
| | 987 | do { |
| | 988 | int __ret; |
| | 989 | |
| | 990 | ptr2 = NULL; |
| | 991 | if (ptr && |
| | 992 | (o->type != FIO_OPT_STR_STORE) && |
| | 993 | (o->type != FIO_OPT_STR) && |
| | 994 | (o->type != FIO_OPT_STR_ULL) && |
| | 995 | (o->type != FIO_OPT_FLOAT_LIST)) { |
| | 996 | ptr2 = strchr(ptr, ','); |
| | 997 | if (ptr2 && *(ptr2 + 1) == '\0') |
| | 998 | *ptr2 = '\0'; |
| | 999 | if (o->type != FIO_OPT_STR_MULTI && o->type != FIO_OPT_RANGE) { |
| | 1000 | if (!ptr2) |
| | 1001 | ptr2 = strchr(ptr, ':'); |
| | 1002 | if (!ptr2) |
| | 1003 | ptr2 = strchr(ptr, '-'); |
| | 1004 | } |
| | 1005 | } else if (ptr && o->type == FIO_OPT_FLOAT_LIST) { |
| | 1006 | ptr2 = strchr(ptr, ':'); |
| | 1007 | } |
| | 1008 | |
| | 1009 | /* |
| | 1010 | * Don't return early if parsing the first option fails - if |
| | 1011 | * we are doing multiple arguments, we can allow the first one |
| | 1012 | * being empty. |
| | 1013 | */ |
| | 1014 | __ret = __handle_option(o, ptr, data, !done, !!ptr2, done); |
| | 1015 | if (ret) |
| | 1016 | ret = __ret; |
| | 1017 | |
| | 1018 | if (!ptr2) |
| | 1019 | break; |
| | 1020 | |
| | 1021 | ptr = ptr2 + 1; |
| | 1022 | done++; |
| | 1023 | } while (1); |
| | 1024 | |
| | 1025 | if (o_ptr) |
| | 1026 | free(o_ptr); |
| | 1027 | return ret; |
| | 1028 | } |
| | 1029 | |
| | 1030 | struct fio_option *find_option(struct fio_option *options, const char *opt) |
| | 1031 | { |
| | 1032 | struct fio_option *o; |
| | 1033 | |
| | 1034 | for (o = &options[0]; o->name; o++) { |
| | 1035 | if (!o_match(o, opt)) |
| | 1036 | continue; |
| | 1037 | if (o->type == FIO_OPT_UNSUPPORTED) { |
| | 1038 | log_err("Option <%s>: %s\n", o->name, o->help); |
| | 1039 | continue; |
| | 1040 | } |
| | 1041 | |
| | 1042 | return o; |
| | 1043 | } |
| | 1044 | |
| | 1045 | return NULL; |
| | 1046 | } |
| | 1047 | |
| | 1048 | const struct fio_option * |
| | 1049 | find_option_c(const struct fio_option *options, const char *opt) |
| | 1050 | { |
| | 1051 | return find_option((struct fio_option *)options, opt); |
| | 1052 | } |
| | 1053 | |
| | 1054 | static const struct fio_option * |
| | 1055 | get_option(char *opt, const struct fio_option *options, char **post) |
| | 1056 | { |
| | 1057 | const struct fio_option *o; |
| | 1058 | char *ret; |
| | 1059 | |
| | 1060 | ret = strchr(opt, '='); |
| | 1061 | if (ret) { |
| | 1062 | *post = ret; |
| | 1063 | *ret = '\0'; |
| | 1064 | ret = opt; |
| | 1065 | (*post)++; |
| | 1066 | strip_blank_end(ret); |
| | 1067 | o = find_option_c(options, ret); |
| | 1068 | } else { |
| | 1069 | o = find_option_c(options, opt); |
| | 1070 | *post = NULL; |
| | 1071 | } |
| | 1072 | |
| | 1073 | return o; |
| | 1074 | } |
| | 1075 | |
| | 1076 | static int opt_cmp(const void *p1, const void *p2) |
| | 1077 | { |
| | 1078 | const struct fio_option *o; |
| | 1079 | char *s, *foo; |
| | 1080 | int prio1, prio2; |
| | 1081 | |
| | 1082 | prio1 = prio2 = 0; |
| | 1083 | |
| | 1084 | if (*(char **)p1) { |
| | 1085 | s = strdup(*((char **) p1)); |
| | 1086 | o = get_option(s, __fio_options, &foo); |
| | 1087 | if (o) |
| | 1088 | prio1 = o->prio; |
| | 1089 | free(s); |
| | 1090 | } |
| | 1091 | if (*(char **)p2) { |
| | 1092 | s = strdup(*((char **) p2)); |
| | 1093 | o = get_option(s, __fio_options, &foo); |
| | 1094 | if (o) |
| | 1095 | prio2 = o->prio; |
| | 1096 | free(s); |
| | 1097 | } |
| | 1098 | |
| | 1099 | return prio2 - prio1; |
| | 1100 | } |
| | 1101 | |
| | 1102 | void sort_options(char **opts, const struct fio_option *options, int num_opts) |
| | 1103 | { |
| | 1104 | __fio_options = options; |
| | 1105 | qsort(opts, num_opts, sizeof(char *), opt_cmp); |
| | 1106 | __fio_options = NULL; |
| | 1107 | } |
| | 1108 | |
| | 1109 | static void add_to_dump_list(const struct fio_option *o, |
| | 1110 | struct flist_head *dump_list, const char *post) |
| | 1111 | { |
| | 1112 | struct print_option *p; |
| | 1113 | |
| | 1114 | if (!dump_list) |
| | 1115 | return; |
| | 1116 | |
| | 1117 | p = malloc(sizeof(*p)); |
| | 1118 | p->name = strdup(o->name); |
| | 1119 | if (post) |
| | 1120 | p->value = strdup(post); |
| | 1121 | else |
| | 1122 | p->value = NULL; |
| | 1123 | |
| | 1124 | flist_add_tail(&p->list, dump_list); |
| | 1125 | } |
| | 1126 | |
| | 1127 | int parse_cmd_option(const char *opt, const char *val, |
| | 1128 | const struct fio_option *options, void *data, |
| | 1129 | struct flist_head *dump_list) |
| | 1130 | { |
| | 1131 | const struct fio_option *o; |
| | 1132 | |
| | 1133 | o = find_option_c(options, opt); |
| | 1134 | if (!o) { |
| | 1135 | log_err("Bad option <%s>\n", opt); |
| | 1136 | return 1; |
| | 1137 | } |
| | 1138 | |
| | 1139 | if (handle_option(o, val, data)) { |
| | 1140 | log_err("fio: failed parsing %s=%s\n", opt, val); |
| | 1141 | return 1; |
| | 1142 | } |
| | 1143 | |
| | 1144 | add_to_dump_list(o, dump_list, val); |
| | 1145 | return 0; |
| | 1146 | } |
| | 1147 | |
| | 1148 | int parse_option(char *opt, const char *input, const struct fio_option *options, |
| | 1149 | const struct fio_option **o, void *data, |
| | 1150 | struct flist_head *dump_list) |
| | 1151 | { |
| | 1152 | char *post; |
| | 1153 | |
| | 1154 | if (!opt) { |
| | 1155 | log_err("fio: failed parsing %s\n", input); |
| | 1156 | *o = NULL; |
| | 1157 | return 1; |
| | 1158 | } |
| | 1159 | |
| | 1160 | *o = get_option(opt, options, &post); |
| | 1161 | if (!*o) { |
| | 1162 | if (post) { |
| | 1163 | int len = strlen(opt); |
| | 1164 | if (opt + len + 1 != post) |
| | 1165 | memmove(opt + len + 1, post, strlen(post)); |
| | 1166 | opt[len] = '='; |
| | 1167 | } |
| | 1168 | return 1; |
| | 1169 | } |
| | 1170 | |
| | 1171 | if (handle_option(*o, post, data)) { |
| | 1172 | log_err("fio: failed parsing %s\n", input); |
| | 1173 | return 1; |
| | 1174 | } |
| | 1175 | |
| | 1176 | add_to_dump_list(*o, dump_list, post); |
| | 1177 | return 0; |
| | 1178 | } |
| | 1179 | |
| | 1180 | /* |
| | 1181 | * Option match, levenshtein distance. Handy for not quite remembering what |
| | 1182 | * the option name is. |
| | 1183 | */ |
| | 1184 | int string_distance(const char *s1, const char *s2) |
| | 1185 | { |
| | 1186 | unsigned int s1_len = strlen(s1); |
| | 1187 | unsigned int s2_len = strlen(s2); |
| | 1188 | unsigned int *p, *q, *r; |
| | 1189 | unsigned int i, j; |
| | 1190 | |
| | 1191 | p = malloc(sizeof(unsigned int) * (s2_len + 1)); |
| | 1192 | q = malloc(sizeof(unsigned int) * (s2_len + 1)); |
| | 1193 | |
| | 1194 | p[0] = 0; |
| | 1195 | for (i = 1; i <= s2_len; i++) |
| | 1196 | p[i] = p[i - 1] + 1; |
| | 1197 | |
| | 1198 | for (i = 1; i <= s1_len; i++) { |
| | 1199 | q[0] = p[0] + 1; |
| | 1200 | for (j = 1; j <= s2_len; j++) { |
| | 1201 | unsigned int sub = p[j - 1]; |
| | 1202 | unsigned int pmin; |
| | 1203 | |
| | 1204 | if (s1[i - 1] != s2[j - 1]) |
| | 1205 | sub++; |
| | 1206 | |
| | 1207 | pmin = min(q[j - 1] + 1, sub); |
| | 1208 | q[j] = min(p[j] + 1, pmin); |
| | 1209 | } |
| | 1210 | r = p; |
| | 1211 | p = q; |
| | 1212 | q = r; |
| | 1213 | } |
| | 1214 | |
| | 1215 | i = p[s2_len]; |
| | 1216 | free(p); |
| | 1217 | free(q); |
| | 1218 | return i; |
| | 1219 | } |
| | 1220 | |
| | 1221 | /* |
| | 1222 | * Make a guess of whether the distance from 's1' is significant enough |
| | 1223 | * to warrant printing the guess. We set this to a 1/2 match. |
| | 1224 | */ |
| | 1225 | int string_distance_ok(const char *opt, int distance) |
| | 1226 | { |
| | 1227 | size_t len; |
| | 1228 | |
| | 1229 | len = strlen(opt); |
| | 1230 | len = (len + 1) / 2; |
| | 1231 | return distance <= len; |
| | 1232 | } |
| | 1233 | |
| | 1234 | static const struct fio_option *find_child(const struct fio_option *options, |
| | 1235 | const struct fio_option *o) |
| | 1236 | { |
| | 1237 | const struct fio_option *__o; |
| | 1238 | |
| | 1239 | for (__o = options + 1; __o->name; __o++) |
| | 1240 | if (__o->parent && !strcmp(__o->parent, o->name)) |
| | 1241 | return __o; |
| | 1242 | |
| | 1243 | return NULL; |
| | 1244 | } |
| | 1245 | |
| | 1246 | static void __print_option(const struct fio_option *o, |
| | 1247 | const struct fio_option *org, |
| | 1248 | int level) |
| | 1249 | { |
| | 1250 | char name[256], *p; |
| | 1251 | int depth; |
| | 1252 | |
| | 1253 | if (!o) |
| | 1254 | return; |
| | 1255 | |
| | 1256 | p = name; |
| | 1257 | depth = level; |
| | 1258 | while (depth--) |
| | 1259 | p += sprintf(p, "%s", " "); |
| | 1260 | |
| | 1261 | sprintf(p, "%s", o->name); |
| | 1262 | |
| | 1263 | log_info("%-24s: %s\n", name, o->help); |
| | 1264 | } |
| | 1265 | |
| | 1266 | static void print_option(const struct fio_option *o) |
| | 1267 | { |
| | 1268 | const struct fio_option *parent; |
| | 1269 | const struct fio_option *__o; |
| | 1270 | unsigned int printed; |
| | 1271 | unsigned int level; |
| | 1272 | |
| | 1273 | __print_option(o, NULL, 0); |
| | 1274 | parent = o; |
| | 1275 | level = 0; |
| | 1276 | do { |
| | 1277 | level++; |
| | 1278 | printed = 0; |
| | 1279 | |
| | 1280 | while ((__o = find_child(o, parent)) != NULL) { |
| | 1281 | __print_option(__o, o, level); |
| | 1282 | o = __o; |
| | 1283 | printed++; |
| | 1284 | } |
| | 1285 | |
| | 1286 | parent = o; |
| | 1287 | } while (printed); |
| | 1288 | } |
| | 1289 | |
| | 1290 | int show_cmd_help(const struct fio_option *options, const char *name) |
| | 1291 | { |
| | 1292 | const struct fio_option *o, *closest; |
| | 1293 | unsigned int best_dist = -1U; |
| | 1294 | int found = 0; |
| | 1295 | int show_all = 0; |
| | 1296 | |
| | 1297 | if (!name || !strcmp(name, "all")) |
| | 1298 | show_all = 1; |
| | 1299 | |
| | 1300 | closest = NULL; |
| | 1301 | best_dist = -1; |
| | 1302 | for (o = &options[0]; o->name; o++) { |
| | 1303 | int match = 0; |
| | 1304 | |
| | 1305 | if (o->type == FIO_OPT_DEPRECATED || |
| | 1306 | o->type == FIO_OPT_SOFT_DEPRECATED) |
| | 1307 | continue; |
| | 1308 | if (!exec_profile && o->prof_name) |
| | 1309 | continue; |
| | 1310 | if (exec_profile && !(o->prof_name && !strcmp(exec_profile, o->prof_name))) |
| | 1311 | continue; |
| | 1312 | |
| | 1313 | if (name) { |
| | 1314 | if (!strcmp(name, o->name) || |
| | 1315 | (o->alias && !strcmp(name, o->alias))) |
| | 1316 | match = 1; |
| | 1317 | else { |
| | 1318 | unsigned int dist; |
| | 1319 | |
| | 1320 | dist = string_distance(name, o->name); |
| | 1321 | if (dist < best_dist) { |
| | 1322 | best_dist = dist; |
| | 1323 | closest = o; |
| | 1324 | } |
| | 1325 | } |
| | 1326 | } |
| | 1327 | |
| | 1328 | if (show_all || match) { |
| | 1329 | found = 1; |
| | 1330 | if (match) |
| | 1331 | log_info("%20s: %s\n", o->name, o->help); |
| | 1332 | if (show_all) { |
| | 1333 | if (!o->parent) |
| | 1334 | print_option(o); |
| | 1335 | continue; |
| | 1336 | } |
| | 1337 | } |
| | 1338 | |
| | 1339 | if (!match) |
| | 1340 | continue; |
| | 1341 | |
| | 1342 | show_option_help(o, 0); |
| | 1343 | } |
| | 1344 | |
| | 1345 | if (found) |
| | 1346 | return 0; |
| | 1347 | |
| | 1348 | log_err("No such command: %s", name); |
| | 1349 | |
| | 1350 | /* |
| | 1351 | * Only print an appropriately close option, one where the edit |
| | 1352 | * distance isn't too big. Otherwise we get crazy matches. |
| | 1353 | */ |
| | 1354 | if (closest && best_dist < 3) { |
| | 1355 | log_info(" - showing closest match\n"); |
| | 1356 | log_info("%20s: %s\n", closest->name, closest->help); |
| | 1357 | show_option_help(closest, 0); |
| | 1358 | } else |
| | 1359 | log_info("\n"); |
| | 1360 | |
| | 1361 | return 1; |
| | 1362 | } |
| | 1363 | |
| | 1364 | /* |
| | 1365 | * Handle parsing of default parameters. |
| | 1366 | */ |
| | 1367 | void fill_default_options(void *data, const struct fio_option *options) |
| | 1368 | { |
| | 1369 | const struct fio_option *o; |
| | 1370 | |
| | 1371 | dprint(FD_PARSE, "filling default options\n"); |
| | 1372 | |
| | 1373 | for (o = &options[0]; o->name; o++) |
| | 1374 | if (o->def) |
| | 1375 | handle_option(o, o->def, data); |
| | 1376 | } |
| | 1377 | |
| | 1378 | static void option_init(struct fio_option *o) |
| | 1379 | { |
| | 1380 | if (o->type == FIO_OPT_DEPRECATED || o->type == FIO_OPT_UNSUPPORTED || |
| | 1381 | o->type == FIO_OPT_SOFT_DEPRECATED) |
| | 1382 | return; |
| | 1383 | if (o->name && !o->lname) |
| | 1384 | log_err("Option %s: missing long option name\n", o->name); |
| | 1385 | if (o->type == FIO_OPT_BOOL) { |
| | 1386 | o->minval = 0; |
| | 1387 | o->maxval = 1; |
| | 1388 | } |
| | 1389 | if (o->type == FIO_OPT_INT) { |
| | 1390 | if (!o->maxval) |
| | 1391 | o->maxval = UINT_MAX; |
| | 1392 | } |
| | 1393 | if (o->type == FIO_OPT_ULL) { |
| | 1394 | if (!o->maxval) |
| | 1395 | o->maxval = ULLONG_MAX; |
| | 1396 | } |
| | 1397 | if (o->type == FIO_OPT_STR_SET && o->def && !o->no_warn_def) { |
| | 1398 | log_err("Option %s: string set option with" |
| | 1399 | " default will always be true\n", o->name); |
| | 1400 | } |
| | 1401 | if (!o->cb && !o->off1) |
| | 1402 | log_err("Option %s: neither cb nor offset given\n", o->name); |
| | 1403 | if (!o->category) { |
| | 1404 | log_info("Option %s: no category defined. Setting to misc\n", o->name); |
| | 1405 | o->category = FIO_OPT_C_GENERAL; |
| | 1406 | o->group = FIO_OPT_G_INVALID; |
| | 1407 | } |
| | 1408 | } |
| | 1409 | |
| | 1410 | /* |
| | 1411 | * Sanitize the options structure. For now it just sets min/max for bool |
| | 1412 | * values and whether both callback and offsets are given. |
| | 1413 | */ |
| | 1414 | void options_init(struct fio_option *options) |
| | 1415 | { |
| | 1416 | struct fio_option *o; |
| | 1417 | |
| | 1418 | dprint(FD_PARSE, "init options\n"); |
| | 1419 | |
| | 1420 | for (o = &options[0]; o->name; o++) { |
| | 1421 | option_init(o); |
| | 1422 | if (o->inverse) |
| | 1423 | o->inv_opt = find_option(options, o->inverse); |
| | 1424 | } |
| | 1425 | } |
| | 1426 | |
| | 1427 | void options_mem_dupe(const struct fio_option *options, void *data) |
| | 1428 | { |
| | 1429 | const struct fio_option *o; |
| | 1430 | char **ptr; |
| | 1431 | |
| | 1432 | dprint(FD_PARSE, "dup options\n"); |
| | 1433 | |
| | 1434 | for (o = &options[0]; o->name; o++) { |
| | 1435 | if (o->type != FIO_OPT_STR_STORE) |
| | 1436 | continue; |
| | 1437 | |
| | 1438 | ptr = td_var(data, o, o->off1); |
| | 1439 | if (*ptr) |
| | 1440 | *ptr = strdup(*ptr); |
| | 1441 | } |
| | 1442 | } |
| | 1443 | |
| | 1444 | void options_free(const struct fio_option *options, void *data) |
| | 1445 | { |
| | 1446 | const struct fio_option *o; |
| | 1447 | char **ptr; |
| | 1448 | |
| | 1449 | dprint(FD_PARSE, "free options\n"); |
| | 1450 | |
| | 1451 | for (o = &options[0]; o->name; o++) { |
| | 1452 | if (o->type != FIO_OPT_STR_STORE || !o->off1 || o->no_free) |
| | 1453 | continue; |
| | 1454 | |
| | 1455 | ptr = td_var(data, o, o->off1); |
| | 1456 | if (*ptr) { |
| | 1457 | free(*ptr); |
| | 1458 | *ptr = NULL; |
| | 1459 | } |
| | 1460 | } |
| | 1461 | } |
projects / fio.git / blame_incremental