Commit | Line | Data |
---|---|---|
cb2c86fd JA |
1 | /* |
2 | * This file contains the ini and command liner parser main. | |
3 | */ | |
4 | #include <stdio.h> | |
5 | #include <stdlib.h> | |
6 | #include <unistd.h> | |
7 | #include <ctype.h> | |
8 | #include <string.h> | |
9 | #include <errno.h> | |
10 | #include <limits.h> | |
88b5a391 | 11 | #include <stdlib.h> |
83349190 | 12 | #include <math.h> |
ab9461ea | 13 | #include <float.h> |
cb2c86fd JA |
14 | |
15 | #include "parse.h" | |
a3d741fa | 16 | #include "debug.h" |
9f988e2e | 17 | #include "options.h" |
d220c761 | 18 | #include "optgroup.h" |
e25839d4 | 19 | #include "minmax.h" |
fd112d34 | 20 | #include "lib/ieee754.h" |
0f38bbef | 21 | #include "lib/pow2.h" |
cb2c86fd | 22 | |
b470a02c SC |
23 | #ifdef CONFIG_ARITHMETIC |
24 | #include "y.tab.h" | |
25 | #endif | |
26 | ||
9af4a244 | 27 | static struct fio_option *__fio_options; |
3b8b7135 | 28 | |
f085737f JA |
29 | static int vp_cmp(const void *p1, const void *p2) |
30 | { | |
31 | const struct value_pair *vp1 = p1; | |
32 | const struct value_pair *vp2 = p2; | |
33 | ||
34 | return strlen(vp2->ival) - strlen(vp1->ival); | |
35 | } | |
36 | ||
ce952ab6 | 37 | static void posval_sort(struct fio_option *o, struct value_pair *vpmap) |
f085737f JA |
38 | { |
39 | const struct value_pair *vp; | |
40 | int entries; | |
41 | ||
42 | memset(vpmap, 0, PARSE_MAX_VP * sizeof(struct value_pair)); | |
43 | ||
44 | for (entries = 0; entries < PARSE_MAX_VP; entries++) { | |
45 | vp = &o->posval[entries]; | |
46 | if (!vp->ival || vp->ival[0] == '\0') | |
47 | break; | |
48 | ||
49 | memcpy(&vpmap[entries], vp, sizeof(*vp)); | |
50 | } | |
51 | ||
52 | qsort(vpmap, entries, sizeof(struct value_pair), vp_cmp); | |
53 | } | |
54 | ||
06b0be6e | 55 | static void show_option_range(struct fio_option *o, |
5768cc2b | 56 | size_t (*logger)(const char *format, ...)) |
b1ec1da6 | 57 | { |
3c037bcf | 58 | if (o->type == FIO_OPT_FLOAT_LIST) { |
ab9461ea | 59 | if (o->minfp == DBL_MIN && o->maxfp == DBL_MAX) |
83349190 YH |
60 | return; |
61 | ||
06b0be6e | 62 | logger("%20s: min=%f", "range", o->minfp); |
ab9461ea | 63 | if (o->maxfp != DBL_MAX) |
06b0be6e JA |
64 | logger(", max=%f", o->maxfp); |
65 | logger("\n"); | |
3c037bcf | 66 | } else if (!o->posval[0].ival) { |
83349190 YH |
67 | if (!o->minval && !o->maxval) |
68 | return; | |
b1ec1da6 | 69 | |
06b0be6e | 70 | logger("%20s: min=%d", "range", o->minval); |
83349190 | 71 | if (o->maxval) |
06b0be6e JA |
72 | logger(", max=%d", o->maxval); |
73 | logger("\n"); | |
83349190 | 74 | } |
b1ec1da6 JA |
75 | } |
76 | ||
77 | static void show_option_values(struct fio_option *o) | |
78 | { | |
a3073f4a | 79 | int i; |
b1ec1da6 | 80 | |
a3073f4a | 81 | for (i = 0; i < PARSE_MAX_VP; i++) { |
7837213b | 82 | const struct value_pair *vp = &o->posval[i]; |
b1ec1da6 | 83 | |
7837213b | 84 | if (!vp->ival) |
a3073f4a | 85 | continue; |
b1ec1da6 | 86 | |
06b0be6e | 87 | log_info("%20s: %-10s", i == 0 ? "valid values" : "", vp->ival); |
7837213b | 88 | if (vp->help) |
06b0be6e JA |
89 | log_info(" %s", vp->help); |
90 | log_info("\n"); | |
a3073f4a | 91 | } |
b1ec1da6 JA |
92 | |
93 | if (i) | |
06b0be6e | 94 | log_info("\n"); |
b1ec1da6 JA |
95 | } |
96 | ||
06b0be6e | 97 | static void show_option_help(struct fio_option *o, int is_err) |
d447a8c2 JA |
98 | { |
99 | const char *typehelp[] = { | |
07b3232d | 100 | "invalid", |
d447a8c2 | 101 | "string (opt=bla)", |
ae3fb6fb | 102 | "string (opt=bla)", |
d447a8c2 JA |
103 | "string with possible k/m/g postfix (opt=4k)", |
104 | "string with time postfix (opt=10s)", | |
105 | "string (opt=bla)", | |
106 | "string with dual range (opt=1k-4k,4k-8k)", | |
107 | "integer value (opt=100)", | |
108 | "boolean value (opt=1)", | |
83349190 | 109 | "list of floating point values separated by ':' (opt=5.9:7.8)", |
d447a8c2 | 110 | "no argument (opt)", |
07b3232d | 111 | "deprecated", |
675d2d65 | 112 | "unsupported", |
d447a8c2 | 113 | }; |
5768cc2b | 114 | size_t (*logger)(const char *format, ...); |
06b0be6e JA |
115 | |
116 | if (is_err) | |
117 | logger = log_err; | |
118 | else | |
119 | logger = log_info; | |
d447a8c2 JA |
120 | |
121 | if (o->alias) | |
06b0be6e | 122 | logger("%20s: %s\n", "alias", o->alias); |
d447a8c2 | 123 | |
06b0be6e JA |
124 | logger("%20s: %s\n", "type", typehelp[o->type]); |
125 | logger("%20s: %s\n", "default", o->def ? o->def : "no default"); | |
07b3232d | 126 | if (o->prof_name) |
06b0be6e JA |
127 | logger("%20s: only for profile '%s'\n", "valid", o->prof_name); |
128 | show_option_range(o, logger); | |
d447a8c2 JA |
129 | show_option_values(o); |
130 | } | |
131 | ||
0de5b26f JA |
132 | static unsigned long long get_mult_time(const char *str, int len, |
133 | int is_seconds) | |
cb2c86fd | 134 | { |
74454ce4 CE |
135 | const char *p = str; |
136 | char *c; | |
e4668264 | 137 | unsigned long long mult = 1; |
74454ce4 CE |
138 | |
139 | /* | |
140 | * Go forward until we hit a non-digit, or +/- sign | |
141 | */ | |
142 | while ((p - str) <= len) { | |
143 | if (!isdigit((int) *p) && (*p != '+') && (*p != '-')) | |
144 | break; | |
145 | p++; | |
cb2c86fd | 146 | } |
74454ce4 | 147 | |
0de5b26f JA |
148 | if (!isalpha((int) *p)) { |
149 | if (is_seconds) | |
150 | return 1000000UL; | |
151 | else | |
152 | return 1; | |
153 | } | |
74454ce4 CE |
154 | |
155 | c = strdup(p); | |
156 | for (int i = 0; i < strlen(c); i++) | |
157 | c[i] = tolower(c[i]); | |
158 | ||
e4668264 | 159 | if (!strncmp("us", c, 2) || !strncmp("usec", c, 4)) |
74454ce4 | 160 | mult = 1; |
e4668264 | 161 | else if (!strncmp("ms", c, 2) || !strncmp("msec", c, 4)) |
74454ce4 | 162 | mult = 1000; |
e4668264 JA |
163 | else if (!strcmp("s", c)) |
164 | mult = 1000000; | |
74454ce4 | 165 | else if (!strcmp("m", c)) |
e4668264 | 166 | mult = 60 * 1000000UL; |
74454ce4 | 167 | else if (!strcmp("h", c)) |
e4668264 | 168 | mult = 60 * 60 * 1000000UL; |
74454ce4 | 169 | else if (!strcmp("d", c)) |
e4668264 | 170 | mult = 24 * 60 * 60 * 1000000UL; |
74454ce4 CE |
171 | |
172 | free(c); | |
173 | return mult; | |
cb2c86fd JA |
174 | } |
175 | ||
a03fb65f JA |
176 | static int is_separator(char c) |
177 | { | |
178 | switch (c) { | |
179 | case ':': | |
180 | case '-': | |
181 | case ',': | |
182 | case '/': | |
183 | return 1; | |
184 | default: | |
185 | return 0; | |
186 | } | |
187 | } | |
188 | ||
7bb59102 JA |
189 | static unsigned long long __get_mult_bytes(const char *p, void *data, |
190 | int *percent) | |
cb2c86fd | 191 | { |
d6978a32 | 192 | unsigned int kb_base = fio_get_kb_base(data); |
a639f0bb | 193 | unsigned long long ret = 1; |
57fc29fa JA |
194 | unsigned int i, pow = 0, mult = kb_base; |
195 | char *c; | |
a639f0bb | 196 | |
57fc29fa JA |
197 | if (!p) |
198 | return 1; | |
a639f0bb | 199 | |
57fc29fa JA |
200 | c = strdup(p); |
201 | ||
a03fb65f | 202 | for (i = 0; i < strlen(c); i++) { |
57fc29fa | 203 | c[i] = tolower(c[i]); |
a03fb65f JA |
204 | if (is_separator(c[i])) { |
205 | c[i] = '\0'; | |
206 | break; | |
207 | } | |
208 | } | |
57fc29fa | 209 | |
d694a6a7 RE |
210 | /* If kb_base is 1000, use true units. |
211 | * If kb_base is 1024, use opposite units. | |
212 | */ | |
a04f158d | 213 | if (!strncmp("pib", c, 3)) { |
57fc29fa | 214 | pow = 5; |
d694a6a7 RE |
215 | if (kb_base == 1000) |
216 | mult = 1024; | |
217 | else if (kb_base == 1024) | |
218 | mult = 1000; | |
a04f158d | 219 | } else if (!strncmp("tib", c, 3)) { |
57fc29fa | 220 | pow = 4; |
d694a6a7 RE |
221 | if (kb_base == 1000) |
222 | mult = 1024; | |
223 | else if (kb_base == 1024) | |
224 | mult = 1000; | |
a04f158d | 225 | } else if (!strncmp("gib", c, 3)) { |
57fc29fa | 226 | pow = 3; |
d694a6a7 RE |
227 | if (kb_base == 1000) |
228 | mult = 1024; | |
229 | else if (kb_base == 1024) | |
230 | mult = 1000; | |
a04f158d | 231 | } else if (!strncmp("mib", c, 3)) { |
57fc29fa | 232 | pow = 2; |
d694a6a7 RE |
233 | if (kb_base == 1000) |
234 | mult = 1024; | |
235 | else if (kb_base == 1024) | |
236 | mult = 1000; | |
a04f158d | 237 | } else if (!strncmp("kib", c, 3)) { |
57fc29fa | 238 | pow = 1; |
d694a6a7 RE |
239 | if (kb_base == 1000) |
240 | mult = 1024; | |
241 | else if (kb_base == 1024) | |
242 | mult = 1000; | |
243 | } else if (!strncmp("p", c, 1) || !strncmp("pb", c, 2)) { | |
57fc29fa | 244 | pow = 5; |
d694a6a7 | 245 | } else if (!strncmp("t", c, 1) || !strncmp("tb", c, 2)) { |
57fc29fa | 246 | pow = 4; |
d694a6a7 | 247 | } else if (!strncmp("g", c, 1) || !strncmp("gb", c, 2)) { |
57fc29fa | 248 | pow = 3; |
d694a6a7 | 249 | } else if (!strncmp("m", c, 1) || !strncmp("mb", c, 2)) { |
57fc29fa | 250 | pow = 2; |
d694a6a7 | 251 | } else if (!strncmp("k", c, 1) || !strncmp("kb", c, 2)) { |
57fc29fa | 252 | pow = 1; |
d694a6a7 | 253 | } else if (!strncmp("%", c, 1)) { |
7bb59102 | 254 | *percent = 1; |
e721c57f | 255 | free(c); |
7bb59102 JA |
256 | return ret; |
257 | } | |
57fc29fa JA |
258 | |
259 | while (pow--) | |
260 | ret *= (unsigned long long) mult; | |
261 | ||
262 | free(c); | |
a639f0bb | 263 | return ret; |
cb2c86fd JA |
264 | } |
265 | ||
7bb59102 | 266 | static unsigned long long get_mult_bytes(const char *str, int len, void *data, |
6925dd35 | 267 | int *percent) |
57fc29fa | 268 | { |
55ed9636 | 269 | const char *p = str; |
ba4ddd69 | 270 | int digit_seen = 0; |
57fc29fa | 271 | |
1d1c187b | 272 | if (len < 2) |
7bb59102 | 273 | return __get_mult_bytes(str, data, percent); |
1d1c187b | 274 | |
d0c814ec SL |
275 | /* |
276 | * Go forward until we hit a non-digit, or +/- sign | |
277 | */ | |
55ed9636 | 278 | while ((p - str) <= len) { |
ba4ddd69 JA |
279 | if (!isdigit((int) *p) && |
280 | (((*p != '+') && (*p != '-')) || digit_seen)) | |
55ed9636 | 281 | break; |
3c703d13 | 282 | digit_seen |= isdigit((int) *p); |
55ed9636 JA |
283 | p++; |
284 | } | |
285 | ||
7bb59102 | 286 | if (!isalpha((int) *p) && (*p != '%')) |
57fc29fa JA |
287 | p = NULL; |
288 | ||
7bb59102 | 289 | return __get_mult_bytes(p, data, percent); |
57fc29fa JA |
290 | } |
291 | ||
b470a02c | 292 | extern int evaluate_arithmetic_expression(const char *buffer, long long *ival, |
88038bc7 SC |
293 | double *dval, double implied_units, |
294 | int is_time); | |
b470a02c | 295 | |
83349190 YH |
296 | /* |
297 | * Convert string into a floating number. Return 1 for success and 0 otherwise. | |
298 | */ | |
88038bc7 | 299 | int str_to_float(const char *str, double *val, int is_time) |
83349190 | 300 | { |
b470a02c SC |
301 | #ifdef CONFIG_ARITHMETIC |
302 | int rc; | |
303 | long long ival; | |
304 | double dval; | |
305 | ||
306 | if (str[0] == '(') { | |
88038bc7 | 307 | rc = evaluate_arithmetic_expression(str, &ival, &dval, 1.0, is_time); |
b470a02c SC |
308 | if (!rc) { |
309 | *val = dval; | |
310 | return 1; | |
311 | } | |
312 | } | |
313 | #endif | |
314 | return 1 == sscanf(str, "%lf", val); | |
83349190 YH |
315 | } |
316 | ||
cb2c86fd | 317 | /* |
e1f36503 | 318 | * convert string into decimal value, noting any size suffix |
cb2c86fd | 319 | */ |
0de5b26f | 320 | int str_to_decimal(const char *str, long long *val, int kilo, void *data, |
88038bc7 | 321 | int is_seconds, int is_time) |
cb2c86fd | 322 | { |
b347f9da | 323 | int len, base; |
b470a02c SC |
324 | int rc = 1; |
325 | #ifdef CONFIG_ARITHMETIC | |
326 | long long ival; | |
327 | double dval; | |
8e2c678f | 328 | double implied_units = 1.0; |
b470a02c | 329 | #endif |
cb2c86fd | 330 | |
cb2c86fd | 331 | len = strlen(str); |
f90eff5a JA |
332 | if (!len) |
333 | return 1; | |
cb2c86fd | 334 | |
b470a02c | 335 | #ifdef CONFIG_ARITHMETIC |
8e2c678f SC |
336 | if (is_seconds) |
337 | implied_units = 1000000.0; | |
b470a02c | 338 | if (str[0] == '(') |
88038bc7 | 339 | rc = evaluate_arithmetic_expression(str, &ival, &dval, implied_units, is_time); |
18722a18 SC |
340 | if (str[0] == '(' && !rc) { |
341 | if (!kilo && is_seconds) | |
342 | *val = ival / 1000000LL; | |
343 | else | |
344 | *val = ival; | |
345 | } | |
b470a02c | 346 | #endif |
b347f9da | 347 | |
b470a02c SC |
348 | if (rc == 1) { |
349 | if (strstr(str, "0x") || strstr(str, "0X")) | |
350 | base = 16; | |
351 | else | |
352 | base = 10; | |
353 | ||
354 | *val = strtoll(str, NULL, base); | |
355 | if (*val == LONG_MAX && errno == ERANGE) | |
356 | return 1; | |
357 | } | |
cb2c86fd | 358 | |
7bb59102 JA |
359 | if (kilo) { |
360 | unsigned long long mult; | |
361 | int perc = 0; | |
362 | ||
6925dd35 | 363 | mult = get_mult_bytes(str, len, data, &perc); |
7bb59102 JA |
364 | if (perc) |
365 | *val = -1ULL - *val; | |
366 | else | |
367 | *val *= mult; | |
368 | } else | |
0de5b26f | 369 | *val *= get_mult_time(str, len, is_seconds); |
1d31d1bc | 370 | |
cb2c86fd JA |
371 | return 0; |
372 | } | |
373 | ||
9af4a244 | 374 | int check_str_bytes(const char *p, long long *val, void *data) |
cb2c86fd | 375 | { |
88038bc7 | 376 | return str_to_decimal(p, val, 1, data, 0, 0); |
cb2c86fd JA |
377 | } |
378 | ||
0de5b26f | 379 | int check_str_time(const char *p, long long *val, int is_seconds) |
cb2c86fd | 380 | { |
88038bc7 | 381 | return str_to_decimal(p, val, 0, NULL, is_seconds, 1); |
cb2c86fd JA |
382 | } |
383 | ||
384 | void strip_blank_front(char **p) | |
385 | { | |
386 | char *s = *p; | |
387 | ||
4c8e9640 JA |
388 | if (!strlen(s)) |
389 | return; | |
76cd9378 | 390 | while (isspace((int) *s)) |
cb2c86fd | 391 | s++; |
4d651dad JA |
392 | |
393 | *p = s; | |
cb2c86fd JA |
394 | } |
395 | ||
396 | void strip_blank_end(char *p) | |
397 | { | |
853ee7fc | 398 | char *start = p, *s; |
523bfadb | 399 | |
4c8e9640 JA |
400 | if (!strlen(p)) |
401 | return; | |
402 | ||
523bfadb JA |
403 | s = strchr(p, ';'); |
404 | if (s) | |
405 | *s = '\0'; | |
406 | s = strchr(p, '#'); | |
407 | if (s) | |
408 | *s = '\0'; | |
409 | if (s) | |
410 | p = s; | |
411 | ||
7f7e6e59 | 412 | s = p + strlen(p); |
76cd9378 | 413 | while ((isspace((int) *s) || iscntrl((int) *s)) && (s > start)) |
cb2c86fd JA |
414 | s--; |
415 | ||
416 | *(s + 1) = '\0'; | |
417 | } | |
418 | ||
d6978a32 | 419 | static int check_range_bytes(const char *str, long *val, void *data) |
cb2c86fd | 420 | { |
57fc29fa | 421 | long long __val; |
cb2c86fd | 422 | |
88038bc7 | 423 | if (!str_to_decimal(str, &__val, 1, data, 0, 0)) { |
57fc29fa | 424 | *val = __val; |
cb2c86fd JA |
425 | return 0; |
426 | } | |
427 | ||
cb2c86fd JA |
428 | return 1; |
429 | } | |
430 | ||
63f29372 | 431 | static int check_int(const char *p, int *val) |
cb2c86fd | 432 | { |
787f7e95 JA |
433 | if (!strlen(p)) |
434 | return 1; | |
d78ee463 | 435 | if (strstr(p, "0x") || strstr(p, "0X")) { |
a61bdfd8 JA |
436 | if (sscanf(p, "%x", val) == 1) |
437 | return 0; | |
438 | } else { | |
439 | if (sscanf(p, "%u", val) == 1) | |
440 | return 0; | |
441 | } | |
cb2c86fd | 442 | |
e1f36503 JA |
443 | return 1; |
444 | } | |
cb2c86fd | 445 | |
e6f735f0 | 446 | static size_t opt_len(const char *str) |
808def70 JA |
447 | { |
448 | char *postfix; | |
449 | ||
450 | postfix = strchr(str, ':'); | |
451 | if (!postfix) | |
452 | return strlen(str); | |
453 | ||
454 | return (int)(postfix - str); | |
455 | } | |
456 | ||
119cd939 JA |
457 | static int str_match_len(const struct value_pair *vp, const char *str) |
458 | { | |
459 | return max(strlen(vp->ival), opt_len(str)); | |
460 | } | |
461 | ||
f0fdbcaf JA |
462 | #define val_store(ptr, val, off, or, data, o) \ |
463 | do { \ | |
464 | ptr = td_var((data), (o), (off)); \ | |
465 | if ((or)) \ | |
466 | *ptr |= (val); \ | |
467 | else \ | |
468 | *ptr = (val); \ | |
17abbe89 JA |
469 | } while (0) |
470 | ||
f90eff5a | 471 | static int __handle_option(struct fio_option *o, const char *ptr, void *data, |
83349190 | 472 | int first, int more, int curr) |
cb2c86fd | 473 | { |
2fdbefdd | 474 | int il=0, *ilp; |
fd112d34 | 475 | fio_fp64_t *flp; |
63f29372 JA |
476 | long long ull, *ullp; |
477 | long ul1, ul2; | |
83349190 | 478 | double uf; |
bfe1d592 | 479 | char **cp = NULL; |
e42b01eb | 480 | int ret = 0, is_time = 0; |
c44b1ff5 JA |
481 | const struct value_pair *vp; |
482 | struct value_pair posval[PARSE_MAX_VP]; | |
483 | int i, all_skipped = 1; | |
cb2c86fd | 484 | |
a3d741fa JA |
485 | dprint(FD_PARSE, "__handle_option=%s, type=%d, ptr=%s\n", o->name, |
486 | o->type, ptr); | |
487 | ||
e3cedca7 | 488 | if (!ptr && o->type != FIO_OPT_STR_SET && o->type != FIO_OPT_STR) { |
28d7c363 | 489 | log_err("Option %s requires an argument\n", o->name); |
08e26e35 JA |
490 | return 1; |
491 | } | |
492 | ||
e1f36503 | 493 | switch (o->type) { |
5f6ddf1e JA |
494 | case FIO_OPT_STR: |
495 | case FIO_OPT_STR_MULTI: { | |
e1f36503 | 496 | fio_opt_str_fn *fn = o->cb; |
b1ec1da6 | 497 | |
f085737f JA |
498 | posval_sort(o, posval); |
499 | ||
5f6ddf1e | 500 | ret = 1; |
b1ec1da6 | 501 | for (i = 0; i < PARSE_MAX_VP; i++) { |
f085737f | 502 | vp = &posval[i]; |
b1ec1da6 | 503 | if (!vp->ival || vp->ival[0] == '\0') |
a3073f4a | 504 | continue; |
ae2ddba4 | 505 | all_skipped = 0; |
078b46d1 JA |
506 | if (!ptr) |
507 | break; | |
119cd939 | 508 | if (!strncmp(vp->ival, ptr, str_match_len(vp, ptr))) { |
b1ec1da6 | 509 | ret = 0; |
7b504edd | 510 | if (o->off1) |
ebadc0ce | 511 | val_store(ilp, vp->oval, o->off1, vp->orval, data, o); |
5f6ddf1e | 512 | continue; |
b1ec1da6 JA |
513 | } |
514 | } | |
cb2c86fd | 515 | |
ae2ddba4 | 516 | if (ret && !all_skipped) |
b1ec1da6 JA |
517 | show_option_values(o); |
518 | else if (fn) | |
519 | ret = fn(data, ptr); | |
e1f36503 JA |
520 | break; |
521 | } | |
e42b01eb JA |
522 | case FIO_OPT_STR_VAL_TIME: |
523 | is_time = 1; | |
1a1137d9 | 524 | case FIO_OPT_INT: |
e42b01eb JA |
525 | case FIO_OPT_STR_VAL: { |
526 | fio_opt_str_val_fn *fn = o->cb; | |
6eaf09d6 SL |
527 | char tmp[128], *p; |
528 | ||
88038bc7 SC |
529 | if (!is_time && o->is_time) |
530 | is_time = o->is_time; | |
531 | ||
209e1037 | 532 | tmp[sizeof(tmp) - 1] = '\0'; |
6eaf09d6 SL |
533 | strncpy(tmp, ptr, sizeof(tmp) - 1); |
534 | p = strchr(tmp, ','); | |
535 | if (p) | |
536 | *p = '\0'; | |
e42b01eb JA |
537 | |
538 | if (is_time) | |
0de5b26f | 539 | ret = check_str_time(tmp, &ull, o->is_seconds); |
e42b01eb | 540 | else |
6eaf09d6 | 541 | ret = check_str_bytes(tmp, &ull, data); |
e1f36503 | 542 | |
ae3fcb5a JA |
543 | dprint(FD_PARSE, " ret=%d, out=%llu\n", ret, ull); |
544 | ||
e1f36503 JA |
545 | if (ret) |
546 | break; | |
0f38bbef JA |
547 | if (o->pow2 && !is_power_of_2(ull)) { |
548 | log_err("%s: must be a power-of-2\n", o->name); | |
549 | return 1; | |
550 | } | |
e1f36503 | 551 | |
db8e0165 | 552 | if (o->maxval && ull > o->maxval) { |
d4fc2f04 JA |
553 | log_err("max value out of range: %llu" |
554 | " (%u max)\n", ull, o->maxval); | |
db8e0165 JA |
555 | return 1; |
556 | } | |
557 | if (o->minval && ull < o->minval) { | |
d4fc2f04 JA |
558 | log_err("min value out of range: %llu" |
559 | " (%u min)\n", ull, o->minval); | |
db8e0165 JA |
560 | return 1; |
561 | } | |
d926d535 JA |
562 | if (o->posval[0].ival) { |
563 | posval_sort(o, posval); | |
564 | ||
565 | ret = 1; | |
566 | for (i = 0; i < PARSE_MAX_VP; i++) { | |
567 | vp = &posval[i]; | |
568 | if (!vp->ival || vp->ival[0] == '\0') | |
569 | continue; | |
570 | if (vp->oval == ull) { | |
571 | ret = 0; | |
572 | break; | |
573 | } | |
574 | } | |
575 | if (ret) { | |
128e4caf JA |
576 | log_err("fio: value %llu not allowed:\n", ull); |
577 | show_option_values(o); | |
d926d535 JA |
578 | return 1; |
579 | } | |
580 | } | |
e1f36503 JA |
581 | |
582 | if (fn) | |
583 | ret = fn(data, &ull); | |
584 | else { | |
e01b22b8 | 585 | if (o->type == FIO_OPT_INT) { |
7b504edd JA |
586 | if (first) |
587 | val_store(ilp, ull, o->off1, 0, data, o); | |
6eaf09d6 | 588 | if (curr == 1) { |
7b504edd JA |
589 | if (o->off2) |
590 | val_store(ilp, ull, o->off2, 0, data, o); | |
02c6aad5 | 591 | } |
6eaf09d6 | 592 | if (curr == 2) { |
7b504edd JA |
593 | if (o->off3) |
594 | val_store(ilp, ull, o->off3, 0, data, o); | |
6eaf09d6 SL |
595 | } |
596 | if (!more) { | |
597 | if (curr < 1) { | |
7b504edd JA |
598 | if (o->off2) |
599 | val_store(ilp, ull, o->off2, 0, data, o); | |
6eaf09d6 SL |
600 | } |
601 | if (curr < 2) { | |
7b504edd JA |
602 | if (o->off3) |
603 | val_store(ilp, ull, o->off3, 0, data, o); | |
6eaf09d6 SL |
604 | } |
605 | } | |
75e6f36f | 606 | } else { |
7b504edd JA |
607 | if (first) |
608 | val_store(ullp, ull, o->off1, 0, data, o); | |
02c6aad5 | 609 | if (!more) { |
7b504edd JA |
610 | if (o->off2) |
611 | val_store(ullp, ull, o->off2, 0, data, o); | |
02c6aad5 | 612 | } |
75e6f36f | 613 | } |
e1f36503 JA |
614 | } |
615 | break; | |
616 | } | |
83349190 | 617 | case FIO_OPT_FLOAT_LIST: { |
eef02441 JA |
618 | char *cp2; |
619 | ||
435d195a VKF |
620 | if (first) { |
621 | /* | |
622 | ** Initialize precision to 0 and zero out list | |
623 | ** in case specified list is shorter than default | |
624 | */ | |
3e260a46 JA |
625 | if (o->off2) { |
626 | ul2 = 0; | |
f0fdbcaf | 627 | ilp = td_var(data, o, o->off2); |
3e260a46 JA |
628 | *ilp = ul2; |
629 | } | |
435d195a | 630 | |
f0fdbcaf | 631 | flp = td_var(data, o, o->off1); |
435d195a VKF |
632 | for(i = 0; i < o->maxlen; i++) |
633 | flp[i].u.f = 0.0; | |
634 | } | |
83349190 | 635 | if (curr >= o->maxlen) { |
28d7c363 | 636 | log_err("the list exceeding max length %d\n", |
83349190 YH |
637 | o->maxlen); |
638 | return 1; | |
639 | } | |
88038bc7 | 640 | if (!str_to_float(ptr, &uf, 0)) { /* this breaks if we ever have lists of times */ |
28d7c363 | 641 | log_err("not a floating point value: %s\n", ptr); |
83349190 YH |
642 | return 1; |
643 | } | |
26650695 | 644 | if (uf > o->maxfp) { |
28d7c363 | 645 | log_err("value out of range: %f" |
83349190 YH |
646 | " (range max: %f)\n", uf, o->maxfp); |
647 | return 1; | |
648 | } | |
26650695 | 649 | if (uf < o->minfp) { |
28d7c363 | 650 | log_err("value out of range: %f" |
83349190 YH |
651 | " (range min: %f)\n", uf, o->minfp); |
652 | return 1; | |
653 | } | |
654 | ||
f0fdbcaf | 655 | flp = td_var(data, o, o->off1); |
fd112d34 | 656 | flp[curr].u.f = uf; |
83349190 | 657 | |
ae3fcb5a JA |
658 | dprint(FD_PARSE, " out=%f\n", uf); |
659 | ||
435d195a VKF |
660 | /* |
661 | ** Calculate precision for output by counting | |
662 | ** number of digits after period. Find first | |
663 | ** period in entire remaining list each time | |
664 | */ | |
665 | cp2 = strchr(ptr, '.'); | |
666 | if (cp2 != NULL) { | |
eef02441 | 667 | int len = 0; |
435d195a VKF |
668 | |
669 | while (*++cp2 != '\0' && *cp2 >= '0' && *cp2 <= '9') | |
670 | len++; | |
671 | ||
3e260a46 | 672 | if (o->off2) { |
f0fdbcaf | 673 | ilp = td_var(data, o, o->off2); |
3e260a46 JA |
674 | if (len > *ilp) |
675 | *ilp = len; | |
676 | } | |
435d195a VKF |
677 | } |
678 | ||
83349190 YH |
679 | break; |
680 | } | |
af52b345 JA |
681 | case FIO_OPT_STR_STORE: { |
682 | fio_opt_str_fn *fn = o->cb; | |
683 | ||
f75c69a1 JA |
684 | if (!strlen(ptr)) |
685 | return 1; | |
686 | ||
7b504edd | 687 | if (o->off1) { |
f0fdbcaf | 688 | cp = td_var(data, o, o->off1); |
184b4098 | 689 | *cp = strdup(ptr); |
1c964ce5 | 690 | } |
02c6aad5 | 691 | |
184b4098 SL |
692 | if (fn) |
693 | ret = fn(data, ptr); | |
694 | else if (o->posval[0].ival) { | |
695 | posval_sort(o, posval); | |
696 | ||
697 | ret = 1; | |
698 | for (i = 0; i < PARSE_MAX_VP; i++) { | |
699 | vp = &posval[i]; | |
ab50817f | 700 | if (!vp->ival || vp->ival[0] == '\0' || !cp) |
184b4098 SL |
701 | continue; |
702 | all_skipped = 0; | |
119cd939 | 703 | if (!strncmp(vp->ival, ptr, str_match_len(vp, ptr))) { |
184b4098 SL |
704 | char *rest; |
705 | ||
706 | ret = 0; | |
707 | if (vp->cb) | |
708 | fn = vp->cb; | |
709 | rest = strstr(*cp ?: ptr, ":"); | |
710 | if (rest) { | |
711 | if (*cp) | |
712 | *rest = '\0'; | |
713 | ptr = rest + 1; | |
714 | } else | |
715 | ptr = NULL; | |
716 | break; | |
717 | } | |
af52b345 JA |
718 | } |
719 | } | |
c44b1ff5 | 720 | |
184b4098 SL |
721 | if (!all_skipped) { |
722 | if (ret && !*cp) | |
723 | show_option_values(o); | |
724 | else if (ret && *cp) | |
725 | ret = 0; | |
726 | else if (fn && ptr) | |
727 | ret = fn(data, ptr); | |
728 | } | |
c44b1ff5 | 729 | |
e1f36503 | 730 | break; |
af52b345 | 731 | } |
e1f36503 | 732 | case FIO_OPT_RANGE: { |
b765a372 | 733 | char tmp[128]; |
e1f36503 JA |
734 | char *p1, *p2; |
735 | ||
209e1037 | 736 | tmp[sizeof(tmp) - 1] = '\0'; |
0bbab0e7 | 737 | strncpy(tmp, ptr, sizeof(tmp) - 1); |
b765a372 | 738 | |
31d23f47 DE |
739 | /* Handle bsrange with separate read,write values: */ |
740 | p1 = strchr(tmp, ','); | |
741 | if (p1) | |
742 | *p1 = '\0'; | |
743 | ||
b765a372 | 744 | p1 = strchr(tmp, '-'); |
e1f36503 | 745 | if (!p1) { |
0c9baf91 JA |
746 | p1 = strchr(tmp, ':'); |
747 | if (!p1) { | |
748 | ret = 1; | |
749 | break; | |
750 | } | |
e1f36503 JA |
751 | } |
752 | ||
753 | p2 = p1 + 1; | |
754 | *p1 = '\0'; | |
b765a372 | 755 | p1 = tmp; |
e1f36503 JA |
756 | |
757 | ret = 1; | |
d6978a32 JA |
758 | if (!check_range_bytes(p1, &ul1, data) && |
759 | !check_range_bytes(p2, &ul2, data)) { | |
e1f36503 | 760 | ret = 0; |
e1f36503 | 761 | if (ul1 > ul2) { |
f90eff5a JA |
762 | unsigned long foo = ul1; |
763 | ||
764 | ul1 = ul2; | |
765 | ul2 = foo; | |
766 | } | |
767 | ||
768 | if (first) { | |
7b504edd JA |
769 | val_store(ilp, ul1, o->off1, 0, data, o); |
770 | val_store(ilp, ul2, o->off2, 0, data, o); | |
17abbe89 | 771 | } |
6eaf09d6 | 772 | if (curr == 1) { |
7b504edd JA |
773 | if (o->off3 && o->off4) { |
774 | val_store(ilp, ul1, o->off3, 0, data, o); | |
775 | val_store(ilp, ul2, o->off4, 0, data, o); | |
6eaf09d6 SL |
776 | } |
777 | } | |
778 | if (curr == 2) { | |
7b504edd JA |
779 | if (o->off5 && o->off6) { |
780 | val_store(ilp, ul1, o->off5, 0, data, o); | |
781 | val_store(ilp, ul2, o->off6, 0, data, o); | |
6eaf09d6 SL |
782 | } |
783 | } | |
784 | if (!more) { | |
785 | if (curr < 1) { | |
7b504edd JA |
786 | if (o->off3 && o->off4) { |
787 | val_store(ilp, ul1, o->off3, 0, data, o); | |
788 | val_store(ilp, ul2, o->off4, 0, data, o); | |
6eaf09d6 SL |
789 | } |
790 | } | |
791 | if (curr < 2) { | |
7b504edd JA |
792 | if (o->off5 && o->off6) { |
793 | val_store(ilp, ul1, o->off5, 0, data, o); | |
794 | val_store(ilp, ul2, o->off6, 0, data, o); | |
6eaf09d6 SL |
795 | } |
796 | } | |
e1f36503 | 797 | } |
17abbe89 JA |
798 | } |
799 | ||
e1f36503 JA |
800 | break; |
801 | } | |
74ba1808 JA |
802 | case FIO_OPT_BOOL: |
803 | case FIO_OPT_STR_SET: { | |
e1f36503 JA |
804 | fio_opt_int_fn *fn = o->cb; |
805 | ||
74ba1808 JA |
806 | if (ptr) |
807 | ret = check_int(ptr, &il); | |
808 | else if (o->type == FIO_OPT_BOOL) | |
809 | ret = 1; | |
810 | else | |
811 | il = 1; | |
812 | ||
ae3fcb5a JA |
813 | dprint(FD_PARSE, " ret=%d, out=%d\n", ret, il); |
814 | ||
e1f36503 JA |
815 | if (ret) |
816 | break; | |
817 | ||
db8e0165 | 818 | if (o->maxval && il > (int) o->maxval) { |
28d7c363 | 819 | log_err("max value out of range: %d (%d max)\n", |
5ec10eaa | 820 | il, o->maxval); |
db8e0165 JA |
821 | return 1; |
822 | } | |
823 | if (o->minval && il < o->minval) { | |
28d7c363 | 824 | log_err("min value out of range: %d (%d min)\n", |
5ec10eaa | 825 | il, o->minval); |
db8e0165 JA |
826 | return 1; |
827 | } | |
e1f36503 | 828 | |
76a43db4 JA |
829 | if (o->neg) |
830 | il = !il; | |
831 | ||
e1f36503 JA |
832 | if (fn) |
833 | ret = fn(data, &il); | |
834 | else { | |
7b504edd JA |
835 | if (first) |
836 | val_store(ilp, il, o->off1, 0, data, o); | |
02c6aad5 | 837 | if (!more) { |
7b504edd JA |
838 | if (o->off2) |
839 | val_store(ilp, il, o->off2, 0, data, o); | |
02c6aad5 | 840 | } |
e1f36503 JA |
841 | } |
842 | break; | |
843 | } | |
15ca150e | 844 | case FIO_OPT_DEPRECATED: |
06b0be6e | 845 | log_info("Option %s is deprecated\n", o->name); |
d9472271 | 846 | ret = 1; |
15ca150e | 847 | break; |
e1f36503 | 848 | default: |
06b0be6e | 849 | log_err("Bad option type %u\n", o->type); |
e1f36503 JA |
850 | ret = 1; |
851 | } | |
cb2c86fd | 852 | |
70a4c0c8 JA |
853 | if (ret) |
854 | return ret; | |
855 | ||
d447a8c2 | 856 | if (o->verify) { |
70a4c0c8 | 857 | ret = o->verify(o, data); |
d447a8c2 | 858 | if (ret) { |
28d7c363 JA |
859 | log_err("Correct format for offending option\n"); |
860 | log_err("%20s: %s\n", o->name, o->help); | |
06b0be6e | 861 | show_option_help(o, 1); |
d447a8c2 JA |
862 | } |
863 | } | |
70a4c0c8 | 864 | |
e1f36503 | 865 | return ret; |
cb2c86fd JA |
866 | } |
867 | ||
7c8f1a5c | 868 | static int handle_option(struct fio_option *o, const char *__ptr, void *data) |
f90eff5a | 869 | { |
b62bdf2c JA |
870 | char *o_ptr, *ptr, *ptr2; |
871 | int ret, done; | |
f90eff5a | 872 | |
7c8f1a5c JA |
873 | dprint(FD_PARSE, "handle_option=%s, ptr=%s\n", o->name, __ptr); |
874 | ||
b62bdf2c | 875 | o_ptr = ptr = NULL; |
7c8f1a5c | 876 | if (__ptr) |
b62bdf2c | 877 | o_ptr = ptr = strdup(__ptr); |
a3d741fa | 878 | |
f90eff5a | 879 | /* |
b62bdf2c JA |
880 | * See if we have another set of parameters, hidden after a comma. |
881 | * Do this before parsing this round, to check if we should | |
787f7e95 | 882 | * copy set 1 options to set 2. |
f90eff5a | 883 | */ |
b62bdf2c JA |
884 | done = 0; |
885 | ret = 1; | |
886 | do { | |
887 | int __ret; | |
888 | ||
889 | ptr2 = NULL; | |
890 | if (ptr && | |
891 | (o->type != FIO_OPT_STR_STORE) && | |
83349190 YH |
892 | (o->type != FIO_OPT_STR) && |
893 | (o->type != FIO_OPT_FLOAT_LIST)) { | |
b62bdf2c JA |
894 | ptr2 = strchr(ptr, ','); |
895 | if (ptr2 && *(ptr2 + 1) == '\0') | |
896 | *ptr2 = '\0'; | |
6eaf09d6 | 897 | if (o->type != FIO_OPT_STR_MULTI && o->type != FIO_OPT_RANGE) { |
b62bdf2c JA |
898 | if (!ptr2) |
899 | ptr2 = strchr(ptr, ':'); | |
900 | if (!ptr2) | |
901 | ptr2 = strchr(ptr, '-'); | |
902 | } | |
83349190 YH |
903 | } else if (ptr && o->type == FIO_OPT_FLOAT_LIST) { |
904 | ptr2 = strchr(ptr, ':'); | |
b62bdf2c | 905 | } |
787f7e95 | 906 | |
b62bdf2c JA |
907 | /* |
908 | * Don't return early if parsing the first option fails - if | |
909 | * we are doing multiple arguments, we can allow the first one | |
910 | * being empty. | |
911 | */ | |
83349190 | 912 | __ret = __handle_option(o, ptr, data, !done, !!ptr2, done); |
b62bdf2c JA |
913 | if (ret) |
914 | ret = __ret; | |
787f7e95 | 915 | |
b62bdf2c JA |
916 | if (!ptr2) |
917 | break; | |
f90eff5a | 918 | |
b62bdf2c JA |
919 | ptr = ptr2 + 1; |
920 | done++; | |
921 | } while (1); | |
787f7e95 | 922 | |
b62bdf2c JA |
923 | if (o_ptr) |
924 | free(o_ptr); | |
925 | return ret; | |
f90eff5a JA |
926 | } |
927 | ||
75e6bcba JA |
928 | struct fio_option *find_option(struct fio_option *options, const char *opt) |
929 | { | |
930 | struct fio_option *o; | |
931 | ||
932 | for (o = &options[0]; o->name; o++) { | |
933 | if (!o_match(o, opt)) | |
934 | continue; | |
935 | if (o->type == FIO_OPT_UNSUPPORTED) { | |
936 | log_err("Option <%s>: %s\n", o->name, o->help); | |
937 | continue; | |
938 | } | |
939 | ||
940 | return o; | |
941 | } | |
942 | ||
943 | return NULL; | |
944 | } | |
945 | ||
946 | ||
de890a1e | 947 | static struct fio_option *get_option(char *opt, |
07b3232d | 948 | struct fio_option *options, char **post) |
3b8b7135 JA |
949 | { |
950 | struct fio_option *o; | |
951 | char *ret; | |
952 | ||
953 | ret = strchr(opt, '='); | |
954 | if (ret) { | |
955 | *post = ret; | |
956 | *ret = '\0'; | |
de890a1e | 957 | ret = opt; |
3b8b7135 | 958 | (*post)++; |
43c129b4 | 959 | strip_blank_end(ret); |
07b3232d | 960 | o = find_option(options, ret); |
3b8b7135 | 961 | } else { |
07b3232d | 962 | o = find_option(options, opt); |
3b8b7135 JA |
963 | *post = NULL; |
964 | } | |
965 | ||
966 | return o; | |
967 | } | |
968 | ||
969 | static int opt_cmp(const void *p1, const void *p2) | |
970 | { | |
de890a1e SL |
971 | struct fio_option *o; |
972 | char *s, *foo; | |
8cdabc1d | 973 | int prio1, prio2; |
3b8b7135 | 974 | |
8cdabc1d | 975 | prio1 = prio2 = 0; |
3b8b7135 | 976 | |
de890a1e SL |
977 | if (*(char **)p1) { |
978 | s = strdup(*((char **) p1)); | |
9af4a244 | 979 | o = get_option(s, __fio_options, &foo); |
de890a1e SL |
980 | if (o) |
981 | prio1 = o->prio; | |
982 | free(s); | |
983 | } | |
984 | if (*(char **)p2) { | |
985 | s = strdup(*((char **) p2)); | |
9af4a244 | 986 | o = get_option(s, __fio_options, &foo); |
de890a1e SL |
987 | if (o) |
988 | prio2 = o->prio; | |
989 | free(s); | |
990 | } | |
991 | ||
8cdabc1d | 992 | return prio2 - prio1; |
3b8b7135 JA |
993 | } |
994 | ||
995 | void sort_options(char **opts, struct fio_option *options, int num_opts) | |
996 | { | |
9af4a244 | 997 | __fio_options = options; |
3b8b7135 | 998 | qsort(opts, num_opts, sizeof(char *), opt_cmp); |
9af4a244 | 999 | __fio_options = NULL; |
3b8b7135 JA |
1000 | } |
1001 | ||
d8b4f395 JA |
1002 | static void add_to_dump_list(struct fio_option *o, struct flist_head *dump_list, |
1003 | const char *post) | |
1004 | { | |
1005 | struct print_option *p; | |
1006 | ||
1007 | if (!dump_list) | |
1008 | return; | |
1009 | ||
1010 | p = malloc(sizeof(*p)); | |
1011 | p->name = strdup(o->name); | |
1012 | if (post) | |
1013 | p->value = strdup(post); | |
1014 | else | |
1015 | p->value = NULL; | |
1016 | ||
1017 | flist_add_tail(&p->list, dump_list); | |
1018 | } | |
1019 | ||
b4692828 | 1020 | int parse_cmd_option(const char *opt, const char *val, |
d8b4f395 JA |
1021 | struct fio_option *options, void *data, |
1022 | struct flist_head *dump_list) | |
b4692828 JA |
1023 | { |
1024 | struct fio_option *o; | |
1025 | ||
07b3232d | 1026 | o = find_option(options, opt); |
b4692828 | 1027 | if (!o) { |
06b0be6e | 1028 | log_err("Bad option <%s>\n", opt); |
b4692828 JA |
1029 | return 1; |
1030 | } | |
1031 | ||
d8b4f395 JA |
1032 | if (handle_option(o, val, data)) { |
1033 | log_err("fio: failed parsing %s=%s\n", opt, val); | |
1034 | return 1; | |
1035 | } | |
b1508cf9 | 1036 | |
d8b4f395 JA |
1037 | add_to_dump_list(o, dump_list, val); |
1038 | return 0; | |
b4692828 JA |
1039 | } |
1040 | ||
de890a1e | 1041 | int parse_option(char *opt, const char *input, |
292cc475 | 1042 | struct fio_option *options, struct fio_option **o, void *data, |
c2292325 | 1043 | struct flist_head *dump_list) |
cb2c86fd | 1044 | { |
d0c814ec | 1045 | char *post; |
e1f36503 | 1046 | |
d0c814ec SL |
1047 | if (!opt) { |
1048 | log_err("fio: failed parsing %s\n", input); | |
de890a1e | 1049 | *o = NULL; |
38789b58 | 1050 | return 1; |
d0c814ec | 1051 | } |
e1f36503 | 1052 | |
de890a1e SL |
1053 | *o = get_option(opt, options, &post); |
1054 | if (!*o) { | |
1055 | if (post) { | |
1056 | int len = strlen(opt); | |
1057 | if (opt + len + 1 != post) | |
1058 | memmove(opt + len + 1, post, strlen(post)); | |
1059 | opt[len] = '='; | |
1060 | } | |
e1f36503 JA |
1061 | return 1; |
1062 | } | |
1063 | ||
292cc475 JA |
1064 | if (handle_option(*o, post, data)) { |
1065 | log_err("fio: failed parsing %s\n", input); | |
1066 | return 1; | |
1067 | } | |
b1508cf9 | 1068 | |
d8b4f395 | 1069 | add_to_dump_list(*o, dump_list, post); |
292cc475 | 1070 | return 0; |
e1f36503 | 1071 | } |
fd28ca49 | 1072 | |
0e9f7fac JA |
1073 | /* |
1074 | * Option match, levenshtein distance. Handy for not quite remembering what | |
1075 | * the option name is. | |
1076 | */ | |
a893c261 | 1077 | int string_distance(const char *s1, const char *s2) |
0e9f7fac JA |
1078 | { |
1079 | unsigned int s1_len = strlen(s1); | |
1080 | unsigned int s2_len = strlen(s2); | |
1081 | unsigned int *p, *q, *r; | |
1082 | unsigned int i, j; | |
1083 | ||
1084 | p = malloc(sizeof(unsigned int) * (s2_len + 1)); | |
1085 | q = malloc(sizeof(unsigned int) * (s2_len + 1)); | |
1086 | ||
1087 | p[0] = 0; | |
1088 | for (i = 1; i <= s2_len; i++) | |
1089 | p[i] = p[i - 1] + 1; | |
1090 | ||
1091 | for (i = 1; i <= s1_len; i++) { | |
1092 | q[0] = p[0] + 1; | |
1093 | for (j = 1; j <= s2_len; j++) { | |
1094 | unsigned int sub = p[j - 1]; | |
8a1db9a1 | 1095 | unsigned int pmin; |
0e9f7fac JA |
1096 | |
1097 | if (s1[i - 1] != s2[j - 1]) | |
1098 | sub++; | |
1099 | ||
8a1db9a1 JA |
1100 | pmin = min(q[j - 1] + 1, sub); |
1101 | q[j] = min(p[j] + 1, pmin); | |
0e9f7fac JA |
1102 | } |
1103 | r = p; | |
1104 | p = q; | |
1105 | q = r; | |
1106 | } | |
1107 | ||
1108 | i = p[s2_len]; | |
1109 | free(p); | |
1110 | free(q); | |
1111 | return i; | |
1112 | } | |
1113 | ||
3701636d JA |
1114 | /* |
1115 | * Make a guess of whether the distance from 's1' is significant enough | |
1116 | * to warrant printing the guess. We set this to a 1/2 match. | |
1117 | */ | |
1118 | int string_distance_ok(const char *opt, int distance) | |
1119 | { | |
1120 | size_t len; | |
1121 | ||
1122 | len = strlen(opt); | |
1123 | len = (len + 1) / 2; | |
1124 | return distance <= len; | |
1125 | } | |
1126 | ||
afdf9352 JA |
1127 | static struct fio_option *find_child(struct fio_option *options, |
1128 | struct fio_option *o) | |
1129 | { | |
1130 | struct fio_option *__o; | |
1131 | ||
fdf28744 JA |
1132 | for (__o = options + 1; __o->name; __o++) |
1133 | if (__o->parent && !strcmp(__o->parent, o->name)) | |
afdf9352 JA |
1134 | return __o; |
1135 | ||
1136 | return NULL; | |
1137 | } | |
1138 | ||
323d9113 JA |
1139 | static void __print_option(struct fio_option *o, struct fio_option *org, |
1140 | int level) | |
afdf9352 JA |
1141 | { |
1142 | char name[256], *p; | |
323d9113 | 1143 | int depth; |
afdf9352 JA |
1144 | |
1145 | if (!o) | |
1146 | return; | |
ef9aff52 JA |
1147 | if (!org) |
1148 | org = o; | |
5ec10eaa | 1149 | |
afdf9352 | 1150 | p = name; |
323d9113 JA |
1151 | depth = level; |
1152 | while (depth--) | |
1153 | p += sprintf(p, "%s", " "); | |
afdf9352 JA |
1154 | |
1155 | sprintf(p, "%s", o->name); | |
1156 | ||
28d7c363 | 1157 | log_info("%-24s: %s\n", name, o->help); |
323d9113 JA |
1158 | } |
1159 | ||
1160 | static void print_option(struct fio_option *o) | |
1161 | { | |
1162 | struct fio_option *parent; | |
1163 | struct fio_option *__o; | |
1164 | unsigned int printed; | |
1165 | unsigned int level; | |
1166 | ||
1167 | __print_option(o, NULL, 0); | |
1168 | parent = o; | |
1169 | level = 0; | |
1170 | do { | |
1171 | level++; | |
1172 | printed = 0; | |
1173 | ||
1174 | while ((__o = find_child(o, parent)) != NULL) { | |
1175 | __print_option(__o, o, level); | |
1176 | o = __o; | |
1177 | printed++; | |
1178 | } | |
1179 | ||
1180 | parent = o; | |
1181 | } while (printed); | |
afdf9352 JA |
1182 | } |
1183 | ||
07b3232d | 1184 | int show_cmd_help(struct fio_option *options, const char *name) |
0e9f7fac JA |
1185 | { |
1186 | struct fio_option *o, *closest; | |
d091d099 | 1187 | unsigned int best_dist = -1U; |
29fc6afe | 1188 | int found = 0; |
320beefe JA |
1189 | int show_all = 0; |
1190 | ||
1191 | if (!name || !strcmp(name, "all")) | |
1192 | show_all = 1; | |
fd28ca49 | 1193 | |
0e9f7fac JA |
1194 | closest = NULL; |
1195 | best_dist = -1; | |
4945ba12 | 1196 | for (o = &options[0]; o->name; o++) { |
320beefe JA |
1197 | int match = 0; |
1198 | ||
15ca150e JA |
1199 | if (o->type == FIO_OPT_DEPRECATED) |
1200 | continue; | |
07b3232d JA |
1201 | if (!exec_profile && o->prof_name) |
1202 | continue; | |
4ac23d27 JA |
1203 | if (exec_profile && !(o->prof_name && !strcmp(exec_profile, o->prof_name))) |
1204 | continue; | |
15ca150e | 1205 | |
0e9f7fac | 1206 | if (name) { |
7f9348f8 JA |
1207 | if (!strcmp(name, o->name) || |
1208 | (o->alias && !strcmp(name, o->alias))) | |
0e9f7fac JA |
1209 | match = 1; |
1210 | else { | |
1211 | unsigned int dist; | |
1212 | ||
1213 | dist = string_distance(name, o->name); | |
1214 | if (dist < best_dist) { | |
1215 | best_dist = dist; | |
1216 | closest = o; | |
1217 | } | |
1218 | } | |
1219 | } | |
fd28ca49 JA |
1220 | |
1221 | if (show_all || match) { | |
29fc6afe | 1222 | found = 1; |
c167dedc | 1223 | if (match) |
28d7c363 | 1224 | log_info("%20s: %s\n", o->name, o->help); |
c167dedc | 1225 | if (show_all) { |
afdf9352 | 1226 | if (!o->parent) |
323d9113 | 1227 | print_option(o); |
4945ba12 | 1228 | continue; |
c167dedc | 1229 | } |
fd28ca49 JA |
1230 | } |
1231 | ||
70df2f19 JA |
1232 | if (!match) |
1233 | continue; | |
1234 | ||
06b0be6e | 1235 | show_option_help(o, 0); |
fd28ca49 JA |
1236 | } |
1237 | ||
29fc6afe JA |
1238 | if (found) |
1239 | return 0; | |
fd28ca49 | 1240 | |
28d7c363 | 1241 | log_err("No such command: %s", name); |
d091d099 JA |
1242 | |
1243 | /* | |
1244 | * Only print an appropriately close option, one where the edit | |
1245 | * distance isn't too big. Otherwise we get crazy matches. | |
1246 | */ | |
1247 | if (closest && best_dist < 3) { | |
28d7c363 JA |
1248 | log_info(" - showing closest match\n"); |
1249 | log_info("%20s: %s\n", closest->name, closest->help); | |
06b0be6e | 1250 | show_option_help(closest, 0); |
0e9f7fac | 1251 | } else |
28d7c363 | 1252 | log_info("\n"); |
0e9f7fac | 1253 | |
29fc6afe | 1254 | return 1; |
fd28ca49 | 1255 | } |
ee738499 | 1256 | |
13335ddb JA |
1257 | /* |
1258 | * Handle parsing of default parameters. | |
1259 | */ | |
ee738499 JA |
1260 | void fill_default_options(void *data, struct fio_option *options) |
1261 | { | |
4945ba12 | 1262 | struct fio_option *o; |
ee738499 | 1263 | |
a3d741fa JA |
1264 | dprint(FD_PARSE, "filling default options\n"); |
1265 | ||
4945ba12 | 1266 | for (o = &options[0]; o->name; o++) |
ee738499 JA |
1267 | if (o->def) |
1268 | handle_option(o, o->def, data); | |
ee738499 | 1269 | } |
13335ddb | 1270 | |
8aa89d70 | 1271 | static void option_init(struct fio_option *o) |
9f988e2e | 1272 | { |
75e6bcba | 1273 | if (o->type == FIO_OPT_DEPRECATED || o->type == FIO_OPT_UNSUPPORTED) |
9f988e2e | 1274 | return; |
bbcacb72 JA |
1275 | if (o->name && !o->lname) |
1276 | log_err("Option %s: missing long option name\n", o->name); | |
9f988e2e JA |
1277 | if (o->type == FIO_OPT_BOOL) { |
1278 | o->minval = 0; | |
1279 | o->maxval = 1; | |
1280 | } | |
d4fc2f04 JA |
1281 | if (o->type == FIO_OPT_INT) { |
1282 | if (!o->maxval) | |
1283 | o->maxval = UINT_MAX; | |
1284 | } | |
83349190 | 1285 | if (o->type == FIO_OPT_FLOAT_LIST) { |
ab9461ea BC |
1286 | o->minfp = DBL_MIN; |
1287 | o->maxfp = DBL_MAX; | |
83349190 | 1288 | } |
c8931876 | 1289 | if (o->type == FIO_OPT_STR_SET && o->def && !o->no_warn_def) { |
06b0be6e | 1290 | log_err("Option %s: string set option with" |
9f988e2e JA |
1291 | " default will always be true\n", o->name); |
1292 | } | |
7b504edd | 1293 | if (!o->cb && !o->off1) |
06b0be6e | 1294 | log_err("Option %s: neither cb nor offset given\n", o->name); |
22754746 | 1295 | if (!o->category) { |
cca5b5bc | 1296 | log_info("Option %s: no category defined. Setting to misc\n", o->name); |
22754746 | 1297 | o->category = FIO_OPT_C_GENERAL; |
ffd7821f | 1298 | o->group = FIO_OPT_G_INVALID; |
22754746 | 1299 | } |
5f6ddf1e JA |
1300 | if (o->type == FIO_OPT_STR || o->type == FIO_OPT_STR_STORE || |
1301 | o->type == FIO_OPT_STR_MULTI) | |
9f988e2e | 1302 | return; |
9f988e2e JA |
1303 | } |
1304 | ||
13335ddb JA |
1305 | /* |
1306 | * Sanitize the options structure. For now it just sets min/max for bool | |
5b0a8880 | 1307 | * values and whether both callback and offsets are given. |
13335ddb JA |
1308 | */ |
1309 | void options_init(struct fio_option *options) | |
1310 | { | |
4945ba12 | 1311 | struct fio_option *o; |
13335ddb | 1312 | |
a3d741fa JA |
1313 | dprint(FD_PARSE, "init options\n"); |
1314 | ||
90265353 | 1315 | for (o = &options[0]; o->name; o++) { |
9f988e2e | 1316 | option_init(o); |
90265353 JA |
1317 | if (o->inverse) |
1318 | o->inv_opt = find_option(options, o->inverse); | |
1319 | } | |
13335ddb | 1320 | } |
7e356b2d JA |
1321 | |
1322 | void options_free(struct fio_option *options, void *data) | |
1323 | { | |
1324 | struct fio_option *o; | |
1325 | char **ptr; | |
1326 | ||
1327 | dprint(FD_PARSE, "free options\n"); | |
1328 | ||
1329 | for (o = &options[0]; o->name; o++) { | |
de890a1e | 1330 | if (o->type != FIO_OPT_STR_STORE || !o->off1) |
7e356b2d JA |
1331 | continue; |
1332 | ||
f0fdbcaf | 1333 | ptr = td_var(data, o, o->off1); |
7e356b2d JA |
1334 | if (*ptr) { |
1335 | free(*ptr); | |
1336 | *ptr = NULL; | |
1337 | } | |
1338 | } | |
1339 | } |