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> | |
cb2c86fd JA |
6 | #include <ctype.h> |
7 | #include <string.h> | |
8 | #include <errno.h> | |
9 | #include <limits.h> | |
ab9461ea | 10 | #include <float.h> |
cb2c86fd | 11 | |
c26438ad | 12 | #include "compiler/compiler.h" |
cb2c86fd | 13 | #include "parse.h" |
a3d741fa | 14 | #include "debug.h" |
3d2d14bc | 15 | #include "log.h" |
9f988e2e | 16 | #include "options.h" |
d220c761 | 17 | #include "optgroup.h" |
e25839d4 | 18 | #include "minmax.h" |
fd112d34 | 19 | #include "lib/ieee754.h" |
0f38bbef | 20 | #include "lib/pow2.h" |
cb2c86fd | 21 | |
b470a02c SC |
22 | #ifdef CONFIG_ARITHMETIC |
23 | #include "y.tab.h" | |
24 | #endif | |
25 | ||
c26438ad JA |
26 | static const char *opt_type_names[] = { |
27 | "OPT_INVALID", | |
28 | "OPT_STR", | |
29 | "OPT_STR_MULTI", | |
30 | "OPT_STR_VAL", | |
31 | "OPT_STR_VAL_TIME", | |
32 | "OPT_STR_STORE", | |
33 | "OPT_RANGE", | |
34 | "OPT_INT", | |
35 | "OPT_BOOL", | |
36 | "OPT_FLOAT_LIST", | |
37 | "OPT_STR_SET", | |
38 | "OPT_DEPRECATED", | |
c47537ee | 39 | "OPT_SOFT_DEPRECATED", |
c26438ad JA |
40 | "OPT_UNSUPPORTED", |
41 | }; | |
42 | ||
9109883a | 43 | static const struct fio_option *__fio_options; |
3b8b7135 | 44 | |
f085737f JA |
45 | static int vp_cmp(const void *p1, const void *p2) |
46 | { | |
47 | const struct value_pair *vp1 = p1; | |
48 | const struct value_pair *vp2 = p2; | |
49 | ||
50 | return strlen(vp2->ival) - strlen(vp1->ival); | |
51 | } | |
52 | ||
9109883a | 53 | static void posval_sort(const struct fio_option *o, struct value_pair *vpmap) |
f085737f JA |
54 | { |
55 | const struct value_pair *vp; | |
56 | int entries; | |
57 | ||
58 | memset(vpmap, 0, PARSE_MAX_VP * sizeof(struct value_pair)); | |
59 | ||
60 | for (entries = 0; entries < PARSE_MAX_VP; entries++) { | |
61 | vp = &o->posval[entries]; | |
62 | if (!vp->ival || vp->ival[0] == '\0') | |
63 | break; | |
64 | ||
65 | memcpy(&vpmap[entries], vp, sizeof(*vp)); | |
66 | } | |
67 | ||
68 | qsort(vpmap, entries, sizeof(struct value_pair), vp_cmp); | |
69 | } | |
70 | ||
9109883a | 71 | static void show_option_range(const struct fio_option *o, |
34a3a855 | 72 | ssize_t (*logger)(const char *format, ...)) |
b1ec1da6 | 73 | { |
3c037bcf | 74 | if (o->type == FIO_OPT_FLOAT_LIST) { |
a1e070c8 | 75 | const char *sep = ""; |
45b3e8d7 | 76 | if (!o->minfp && !o->maxfp) |
83349190 YH |
77 | return; |
78 | ||
a1e070c8 BVA |
79 | logger("%20s: ", "range"); |
80 | if (o->minfp != DBL_MIN) { | |
81 | logger("min=%f", o->minfp); | |
82 | sep = ", "; | |
83 | } | |
ab9461ea | 84 | if (o->maxfp != DBL_MAX) |
a1e070c8 | 85 | logger("%smax=%f", sep, o->maxfp); |
06b0be6e | 86 | logger("\n"); |
3c037bcf | 87 | } else if (!o->posval[0].ival) { |
83349190 YH |
88 | if (!o->minval && !o->maxval) |
89 | return; | |
b1ec1da6 | 90 | |
06b0be6e | 91 | logger("%20s: min=%d", "range", o->minval); |
83349190 | 92 | if (o->maxval) |
06b0be6e JA |
93 | logger(", max=%d", o->maxval); |
94 | logger("\n"); | |
83349190 | 95 | } |
b1ec1da6 JA |
96 | } |
97 | ||
9109883a | 98 | static void show_option_values(const struct fio_option *o) |
b1ec1da6 | 99 | { |
a3073f4a | 100 | int i; |
b1ec1da6 | 101 | |
a3073f4a | 102 | for (i = 0; i < PARSE_MAX_VP; i++) { |
7837213b | 103 | const struct value_pair *vp = &o->posval[i]; |
b1ec1da6 | 104 | |
7837213b | 105 | if (!vp->ival) |
a3073f4a | 106 | continue; |
b1ec1da6 | 107 | |
06b0be6e | 108 | log_info("%20s: %-10s", i == 0 ? "valid values" : "", vp->ival); |
7837213b | 109 | if (vp->help) |
06b0be6e JA |
110 | log_info(" %s", vp->help); |
111 | log_info("\n"); | |
a3073f4a | 112 | } |
b1ec1da6 JA |
113 | |
114 | if (i) | |
06b0be6e | 115 | log_info("\n"); |
b1ec1da6 JA |
116 | } |
117 | ||
9109883a | 118 | static void show_option_help(const struct fio_option *o, int is_err) |
d447a8c2 JA |
119 | { |
120 | const char *typehelp[] = { | |
07b3232d | 121 | "invalid", |
d447a8c2 | 122 | "string (opt=bla)", |
ae3fb6fb | 123 | "string (opt=bla)", |
d447a8c2 JA |
124 | "string with possible k/m/g postfix (opt=4k)", |
125 | "string with time postfix (opt=10s)", | |
126 | "string (opt=bla)", | |
127 | "string with dual range (opt=1k-4k,4k-8k)", | |
128 | "integer value (opt=100)", | |
129 | "boolean value (opt=1)", | |
83349190 | 130 | "list of floating point values separated by ':' (opt=5.9:7.8)", |
d447a8c2 | 131 | "no argument (opt)", |
07b3232d | 132 | "deprecated", |
675d2d65 | 133 | "unsupported", |
d447a8c2 | 134 | }; |
34a3a855 | 135 | ssize_t (*logger)(const char *format, ...); |
06b0be6e JA |
136 | |
137 | if (is_err) | |
138 | logger = log_err; | |
139 | else | |
140 | logger = log_info; | |
d447a8c2 JA |
141 | |
142 | if (o->alias) | |
06b0be6e | 143 | logger("%20s: %s\n", "alias", o->alias); |
d447a8c2 | 144 | |
06b0be6e JA |
145 | logger("%20s: %s\n", "type", typehelp[o->type]); |
146 | logger("%20s: %s\n", "default", o->def ? o->def : "no default"); | |
07b3232d | 147 | if (o->prof_name) |
06b0be6e JA |
148 | logger("%20s: only for profile '%s'\n", "valid", o->prof_name); |
149 | show_option_range(o, logger); | |
d447a8c2 JA |
150 | show_option_values(o); |
151 | } | |
152 | ||
0de5b26f JA |
153 | static unsigned long long get_mult_time(const char *str, int len, |
154 | int is_seconds) | |
cb2c86fd | 155 | { |
74454ce4 CE |
156 | const char *p = str; |
157 | char *c; | |
e4668264 | 158 | unsigned long long mult = 1; |
1c9f0761 | 159 | int i; |
74454ce4 CE |
160 | |
161 | /* | |
162 | * Go forward until we hit a non-digit, or +/- sign | |
163 | */ | |
164 | while ((p - str) <= len) { | |
165 | if (!isdigit((int) *p) && (*p != '+') && (*p != '-')) | |
166 | break; | |
167 | p++; | |
cb2c86fd | 168 | } |
74454ce4 | 169 | |
0de5b26f JA |
170 | if (!isalpha((int) *p)) { |
171 | if (is_seconds) | |
172 | return 1000000UL; | |
173 | else | |
174 | return 1; | |
175 | } | |
74454ce4 CE |
176 | |
177 | c = strdup(p); | |
1c9f0761 | 178 | for (i = 0; i < strlen(c); i++) |
e99161b4 | 179 | c[i] = tolower((unsigned char)c[i]); |
74454ce4 | 180 | |
e4668264 | 181 | if (!strncmp("us", c, 2) || !strncmp("usec", c, 4)) |
74454ce4 | 182 | mult = 1; |
e4668264 | 183 | else if (!strncmp("ms", c, 2) || !strncmp("msec", c, 4)) |
74454ce4 | 184 | mult = 1000; |
e4668264 JA |
185 | else if (!strcmp("s", c)) |
186 | mult = 1000000; | |
74454ce4 | 187 | else if (!strcmp("m", c)) |
e4668264 | 188 | mult = 60 * 1000000UL; |
74454ce4 | 189 | else if (!strcmp("h", c)) |
e4668264 | 190 | mult = 60 * 60 * 1000000UL; |
74454ce4 | 191 | else if (!strcmp("d", c)) |
4ed22fe5 | 192 | mult = 24 * 60 * 60 * 1000000ULL; |
74454ce4 CE |
193 | |
194 | free(c); | |
195 | return mult; | |
cb2c86fd JA |
196 | } |
197 | ||
a03fb65f JA |
198 | static int is_separator(char c) |
199 | { | |
200 | switch (c) { | |
201 | case ':': | |
202 | case '-': | |
203 | case ',': | |
204 | case '/': | |
205 | return 1; | |
206 | default: | |
207 | return 0; | |
208 | } | |
209 | } | |
210 | ||
7bb59102 JA |
211 | static unsigned long long __get_mult_bytes(const char *p, void *data, |
212 | int *percent) | |
cb2c86fd | 213 | { |
d6978a32 | 214 | unsigned int kb_base = fio_get_kb_base(data); |
a639f0bb | 215 | unsigned long long ret = 1; |
57fc29fa JA |
216 | unsigned int i, pow = 0, mult = kb_base; |
217 | char *c; | |
a639f0bb | 218 | |
57fc29fa JA |
219 | if (!p) |
220 | return 1; | |
a639f0bb | 221 | |
57fc29fa JA |
222 | c = strdup(p); |
223 | ||
a03fb65f | 224 | for (i = 0; i < strlen(c); i++) { |
e99161b4 | 225 | c[i] = tolower((unsigned char)c[i]); |
a03fb65f JA |
226 | if (is_separator(c[i])) { |
227 | c[i] = '\0'; | |
228 | break; | |
229 | } | |
230 | } | |
57fc29fa | 231 | |
d694a6a7 RE |
232 | /* If kb_base is 1000, use true units. |
233 | * If kb_base is 1024, use opposite units. | |
234 | */ | |
a04f158d | 235 | if (!strncmp("pib", c, 3)) { |
57fc29fa | 236 | pow = 5; |
d694a6a7 RE |
237 | if (kb_base == 1000) |
238 | mult = 1024; | |
239 | else if (kb_base == 1024) | |
240 | mult = 1000; | |
a04f158d | 241 | } else if (!strncmp("tib", c, 3)) { |
57fc29fa | 242 | pow = 4; |
d694a6a7 RE |
243 | if (kb_base == 1000) |
244 | mult = 1024; | |
245 | else if (kb_base == 1024) | |
246 | mult = 1000; | |
a04f158d | 247 | } else if (!strncmp("gib", c, 3)) { |
57fc29fa | 248 | pow = 3; |
d694a6a7 RE |
249 | if (kb_base == 1000) |
250 | mult = 1024; | |
251 | else if (kb_base == 1024) | |
252 | mult = 1000; | |
a04f158d | 253 | } else if (!strncmp("mib", c, 3)) { |
57fc29fa | 254 | pow = 2; |
d694a6a7 RE |
255 | if (kb_base == 1000) |
256 | mult = 1024; | |
257 | else if (kb_base == 1024) | |
258 | mult = 1000; | |
a04f158d | 259 | } else if (!strncmp("kib", c, 3)) { |
57fc29fa | 260 | pow = 1; |
d694a6a7 RE |
261 | if (kb_base == 1000) |
262 | mult = 1024; | |
263 | else if (kb_base == 1024) | |
264 | mult = 1000; | |
265 | } else if (!strncmp("p", c, 1) || !strncmp("pb", c, 2)) { | |
57fc29fa | 266 | pow = 5; |
d694a6a7 | 267 | } else if (!strncmp("t", c, 1) || !strncmp("tb", c, 2)) { |
57fc29fa | 268 | pow = 4; |
d694a6a7 | 269 | } else if (!strncmp("g", c, 1) || !strncmp("gb", c, 2)) { |
57fc29fa | 270 | pow = 3; |
d694a6a7 | 271 | } else if (!strncmp("m", c, 1) || !strncmp("mb", c, 2)) { |
57fc29fa | 272 | pow = 2; |
d694a6a7 | 273 | } else if (!strncmp("k", c, 1) || !strncmp("kb", c, 2)) { |
57fc29fa | 274 | pow = 1; |
d694a6a7 | 275 | } else if (!strncmp("%", c, 1)) { |
7bb59102 | 276 | *percent = 1; |
e721c57f | 277 | free(c); |
7bb59102 JA |
278 | return ret; |
279 | } | |
57fc29fa JA |
280 | |
281 | while (pow--) | |
282 | ret *= (unsigned long long) mult; | |
283 | ||
284 | free(c); | |
a639f0bb | 285 | return ret; |
cb2c86fd JA |
286 | } |
287 | ||
7bb59102 | 288 | static unsigned long long get_mult_bytes(const char *str, int len, void *data, |
6925dd35 | 289 | int *percent) |
57fc29fa | 290 | { |
55ed9636 | 291 | const char *p = str; |
ba4ddd69 | 292 | int digit_seen = 0; |
57fc29fa | 293 | |
1d1c187b | 294 | if (len < 2) |
7bb59102 | 295 | return __get_mult_bytes(str, data, percent); |
1d1c187b | 296 | |
d0c814ec SL |
297 | /* |
298 | * Go forward until we hit a non-digit, or +/- sign | |
299 | */ | |
55ed9636 | 300 | while ((p - str) <= len) { |
ba4ddd69 JA |
301 | if (!isdigit((int) *p) && |
302 | (((*p != '+') && (*p != '-')) || digit_seen)) | |
55ed9636 | 303 | break; |
3c703d13 | 304 | digit_seen |= isdigit((int) *p); |
55ed9636 JA |
305 | p++; |
306 | } | |
307 | ||
7bb59102 | 308 | if (!isalpha((int) *p) && (*p != '%')) |
57fc29fa JA |
309 | p = NULL; |
310 | ||
7bb59102 | 311 | return __get_mult_bytes(p, data, percent); |
57fc29fa JA |
312 | } |
313 | ||
b470a02c | 314 | extern int evaluate_arithmetic_expression(const char *buffer, long long *ival, |
88038bc7 SC |
315 | double *dval, double implied_units, |
316 | int is_time); | |
b470a02c | 317 | |
83349190 YH |
318 | /* |
319 | * Convert string into a floating number. Return 1 for success and 0 otherwise. | |
320 | */ | |
88038bc7 | 321 | int str_to_float(const char *str, double *val, int is_time) |
83349190 | 322 | { |
b470a02c SC |
323 | #ifdef CONFIG_ARITHMETIC |
324 | int rc; | |
325 | long long ival; | |
326 | double dval; | |
327 | ||
328 | if (str[0] == '(') { | |
88038bc7 | 329 | rc = evaluate_arithmetic_expression(str, &ival, &dval, 1.0, is_time); |
b470a02c SC |
330 | if (!rc) { |
331 | *val = dval; | |
332 | return 1; | |
333 | } | |
334 | } | |
335 | #endif | |
336 | return 1 == sscanf(str, "%lf", val); | |
83349190 YH |
337 | } |
338 | ||
cb2c86fd | 339 | /* |
e1f36503 | 340 | * convert string into decimal value, noting any size suffix |
cb2c86fd | 341 | */ |
0de5b26f | 342 | int str_to_decimal(const char *str, long long *val, int kilo, void *data, |
88038bc7 | 343 | int is_seconds, int is_time) |
cb2c86fd | 344 | { |
b347f9da | 345 | int len, base; |
b470a02c SC |
346 | int rc = 1; |
347 | #ifdef CONFIG_ARITHMETIC | |
348 | long long ival; | |
349 | double dval; | |
8e2c678f | 350 | double implied_units = 1.0; |
b470a02c | 351 | #endif |
cb2c86fd | 352 | |
cb2c86fd | 353 | len = strlen(str); |
f90eff5a JA |
354 | if (!len) |
355 | return 1; | |
cb2c86fd | 356 | |
b470a02c | 357 | #ifdef CONFIG_ARITHMETIC |
8e2c678f SC |
358 | if (is_seconds) |
359 | implied_units = 1000000.0; | |
b470a02c | 360 | if (str[0] == '(') |
88038bc7 | 361 | rc = evaluate_arithmetic_expression(str, &ival, &dval, implied_units, is_time); |
18722a18 SC |
362 | if (str[0] == '(' && !rc) { |
363 | if (!kilo && is_seconds) | |
364 | *val = ival / 1000000LL; | |
365 | else | |
366 | *val = ival; | |
367 | } | |
b470a02c | 368 | #endif |
b347f9da | 369 | |
b470a02c SC |
370 | if (rc == 1) { |
371 | if (strstr(str, "0x") || strstr(str, "0X")) | |
372 | base = 16; | |
373 | else | |
374 | base = 10; | |
375 | ||
376 | *val = strtoll(str, NULL, base); | |
377 | if (*val == LONG_MAX && errno == ERANGE) | |
378 | return 1; | |
379 | } | |
cb2c86fd | 380 | |
7bb59102 JA |
381 | if (kilo) { |
382 | unsigned long long mult; | |
383 | int perc = 0; | |
384 | ||
6925dd35 | 385 | mult = get_mult_bytes(str, len, data, &perc); |
7bb59102 JA |
386 | if (perc) |
387 | *val = -1ULL - *val; | |
388 | else | |
389 | *val *= mult; | |
390 | } else | |
0de5b26f | 391 | *val *= get_mult_time(str, len, is_seconds); |
1d31d1bc | 392 | |
cb2c86fd JA |
393 | return 0; |
394 | } | |
395 | ||
9af4a244 | 396 | int check_str_bytes(const char *p, long long *val, void *data) |
cb2c86fd | 397 | { |
88038bc7 | 398 | return str_to_decimal(p, val, 1, data, 0, 0); |
cb2c86fd JA |
399 | } |
400 | ||
0de5b26f | 401 | int check_str_time(const char *p, long long *val, int is_seconds) |
cb2c86fd | 402 | { |
88038bc7 | 403 | return str_to_decimal(p, val, 0, NULL, is_seconds, 1); |
cb2c86fd JA |
404 | } |
405 | ||
406 | void strip_blank_front(char **p) | |
407 | { | |
408 | char *s = *p; | |
409 | ||
4c8e9640 JA |
410 | if (!strlen(s)) |
411 | return; | |
76cd9378 | 412 | while (isspace((int) *s)) |
cb2c86fd | 413 | s++; |
4d651dad JA |
414 | |
415 | *p = s; | |
cb2c86fd JA |
416 | } |
417 | ||
418 | void strip_blank_end(char *p) | |
419 | { | |
853ee7fc | 420 | char *start = p, *s; |
523bfadb | 421 | |
4c8e9640 JA |
422 | if (!strlen(p)) |
423 | return; | |
424 | ||
523bfadb JA |
425 | s = strchr(p, ';'); |
426 | if (s) | |
427 | *s = '\0'; | |
428 | s = strchr(p, '#'); | |
429 | if (s) | |
430 | *s = '\0'; | |
431 | if (s) | |
432 | p = s; | |
433 | ||
7f7e6e59 | 434 | s = p + strlen(p); |
76cd9378 | 435 | while ((isspace((int) *s) || iscntrl((int) *s)) && (s > start)) |
cb2c86fd JA |
436 | s--; |
437 | ||
438 | *(s + 1) = '\0'; | |
439 | } | |
440 | ||
d6978a32 | 441 | static int check_range_bytes(const char *str, long *val, void *data) |
cb2c86fd | 442 | { |
57fc29fa | 443 | long long __val; |
cb2c86fd | 444 | |
88038bc7 | 445 | if (!str_to_decimal(str, &__val, 1, data, 0, 0)) { |
57fc29fa | 446 | *val = __val; |
cb2c86fd JA |
447 | return 0; |
448 | } | |
449 | ||
cb2c86fd JA |
450 | return 1; |
451 | } | |
452 | ||
63f29372 | 453 | static int check_int(const char *p, int *val) |
cb2c86fd | 454 | { |
787f7e95 JA |
455 | if (!strlen(p)) |
456 | return 1; | |
d78ee463 | 457 | if (strstr(p, "0x") || strstr(p, "0X")) { |
a61bdfd8 JA |
458 | if (sscanf(p, "%x", val) == 1) |
459 | return 0; | |
460 | } else { | |
461 | if (sscanf(p, "%u", val) == 1) | |
462 | return 0; | |
463 | } | |
cb2c86fd | 464 | |
e1f36503 JA |
465 | return 1; |
466 | } | |
cb2c86fd | 467 | |
e6f735f0 | 468 | static size_t opt_len(const char *str) |
808def70 JA |
469 | { |
470 | char *postfix; | |
471 | ||
472 | postfix = strchr(str, ':'); | |
473 | if (!postfix) | |
474 | return strlen(str); | |
475 | ||
476 | return (int)(postfix - str); | |
477 | } | |
478 | ||
119cd939 JA |
479 | static int str_match_len(const struct value_pair *vp, const char *str) |
480 | { | |
481 | return max(strlen(vp->ival), opt_len(str)); | |
482 | } | |
483 | ||
f0fdbcaf JA |
484 | #define val_store(ptr, val, off, or, data, o) \ |
485 | do { \ | |
486 | ptr = td_var((data), (o), (off)); \ | |
487 | if ((or)) \ | |
488 | *ptr |= (val); \ | |
489 | else \ | |
490 | *ptr = (val); \ | |
17abbe89 JA |
491 | } while (0) |
492 | ||
9109883a | 493 | static const char *opt_type_name(const struct fio_option *o) |
c26438ad JA |
494 | { |
495 | compiletime_assert(ARRAY_SIZE(opt_type_names) - 1 == FIO_OPT_UNSUPPORTED, | |
496 | "opt_type_names[] index"); | |
497 | ||
47844764 | 498 | if (o->type <= FIO_OPT_UNSUPPORTED) |
c26438ad JA |
499 | return opt_type_names[o->type]; |
500 | ||
501 | return "OPT_UNKNOWN?"; | |
502 | } | |
503 | ||
9109883a BVA |
504 | static int __handle_option(const struct fio_option *o, const char *ptr, |
505 | void *data, int first, int more, int curr) | |
cb2c86fd | 506 | { |
2fdbefdd | 507 | int il=0, *ilp; |
fd112d34 | 508 | fio_fp64_t *flp; |
63f29372 JA |
509 | long long ull, *ullp; |
510 | long ul1, ul2; | |
83349190 | 511 | double uf; |
bfe1d592 | 512 | char **cp = NULL; |
e42b01eb | 513 | int ret = 0, is_time = 0; |
c44b1ff5 JA |
514 | const struct value_pair *vp; |
515 | struct value_pair posval[PARSE_MAX_VP]; | |
516 | int i, all_skipped = 1; | |
cb2c86fd | 517 | |
c26438ad JA |
518 | dprint(FD_PARSE, "__handle_option=%s, type=%s, ptr=%s\n", o->name, |
519 | opt_type_name(o), ptr); | |
a3d741fa | 520 | |
e3cedca7 | 521 | if (!ptr && o->type != FIO_OPT_STR_SET && o->type != FIO_OPT_STR) { |
28d7c363 | 522 | log_err("Option %s requires an argument\n", o->name); |
08e26e35 JA |
523 | return 1; |
524 | } | |
525 | ||
e1f36503 | 526 | switch (o->type) { |
5f6ddf1e JA |
527 | case FIO_OPT_STR: |
528 | case FIO_OPT_STR_MULTI: { | |
e1f36503 | 529 | fio_opt_str_fn *fn = o->cb; |
b1ec1da6 | 530 | |
f085737f JA |
531 | posval_sort(o, posval); |
532 | ||
5f6ddf1e | 533 | ret = 1; |
b1ec1da6 | 534 | for (i = 0; i < PARSE_MAX_VP; i++) { |
f085737f | 535 | vp = &posval[i]; |
b1ec1da6 | 536 | if (!vp->ival || vp->ival[0] == '\0') |
a3073f4a | 537 | continue; |
ae2ddba4 | 538 | all_skipped = 0; |
078b46d1 JA |
539 | if (!ptr) |
540 | break; | |
119cd939 | 541 | if (!strncmp(vp->ival, ptr, str_match_len(vp, ptr))) { |
b1ec1da6 | 542 | ret = 0; |
7b504edd | 543 | if (o->off1) |
ebadc0ce | 544 | val_store(ilp, vp->oval, o->off1, vp->orval, data, o); |
5f6ddf1e | 545 | continue; |
b1ec1da6 JA |
546 | } |
547 | } | |
cb2c86fd | 548 | |
ae2ddba4 | 549 | if (ret && !all_skipped) |
b1ec1da6 JA |
550 | show_option_values(o); |
551 | else if (fn) | |
552 | ret = fn(data, ptr); | |
e1f36503 JA |
553 | break; |
554 | } | |
e42b01eb JA |
555 | case FIO_OPT_STR_VAL_TIME: |
556 | is_time = 1; | |
1a1137d9 | 557 | case FIO_OPT_INT: |
e42b01eb JA |
558 | case FIO_OPT_STR_VAL: { |
559 | fio_opt_str_val_fn *fn = o->cb; | |
6eaf09d6 SL |
560 | char tmp[128], *p; |
561 | ||
88038bc7 SC |
562 | if (!is_time && o->is_time) |
563 | is_time = o->is_time; | |
564 | ||
209e1037 | 565 | tmp[sizeof(tmp) - 1] = '\0'; |
6eaf09d6 SL |
566 | strncpy(tmp, ptr, sizeof(tmp) - 1); |
567 | p = strchr(tmp, ','); | |
568 | if (p) | |
569 | *p = '\0'; | |
e42b01eb JA |
570 | |
571 | if (is_time) | |
0de5b26f | 572 | ret = check_str_time(tmp, &ull, o->is_seconds); |
e42b01eb | 573 | else |
6eaf09d6 | 574 | ret = check_str_bytes(tmp, &ull, data); |
e1f36503 | 575 | |
ae3fcb5a JA |
576 | dprint(FD_PARSE, " ret=%d, out=%llu\n", ret, ull); |
577 | ||
e1f36503 JA |
578 | if (ret) |
579 | break; | |
0f38bbef JA |
580 | if (o->pow2 && !is_power_of_2(ull)) { |
581 | log_err("%s: must be a power-of-2\n", o->name); | |
582 | return 1; | |
583 | } | |
e1f36503 | 584 | |
db8e0165 | 585 | if (o->maxval && ull > o->maxval) { |
d4fc2f04 JA |
586 | log_err("max value out of range: %llu" |
587 | " (%u max)\n", ull, o->maxval); | |
db8e0165 JA |
588 | return 1; |
589 | } | |
590 | if (o->minval && ull < o->minval) { | |
ff523a66 JA |
591 | log_err("min value out of range: %lld" |
592 | " (%d min)\n", ull, o->minval); | |
db8e0165 JA |
593 | return 1; |
594 | } | |
d926d535 JA |
595 | if (o->posval[0].ival) { |
596 | posval_sort(o, posval); | |
597 | ||
598 | ret = 1; | |
599 | for (i = 0; i < PARSE_MAX_VP; i++) { | |
600 | vp = &posval[i]; | |
601 | if (!vp->ival || vp->ival[0] == '\0') | |
602 | continue; | |
603 | if (vp->oval == ull) { | |
604 | ret = 0; | |
605 | break; | |
606 | } | |
607 | } | |
608 | if (ret) { | |
128e4caf JA |
609 | log_err("fio: value %llu not allowed:\n", ull); |
610 | show_option_values(o); | |
d926d535 JA |
611 | return 1; |
612 | } | |
613 | } | |
e1f36503 JA |
614 | |
615 | if (fn) | |
616 | ret = fn(data, &ull); | |
617 | else { | |
e01b22b8 | 618 | if (o->type == FIO_OPT_INT) { |
7b504edd JA |
619 | if (first) |
620 | val_store(ilp, ull, o->off1, 0, data, o); | |
6eaf09d6 | 621 | if (curr == 1) { |
7b504edd JA |
622 | if (o->off2) |
623 | val_store(ilp, ull, o->off2, 0, data, o); | |
02c6aad5 | 624 | } |
6eaf09d6 | 625 | if (curr == 2) { |
7b504edd JA |
626 | if (o->off3) |
627 | val_store(ilp, ull, o->off3, 0, data, o); | |
6eaf09d6 SL |
628 | } |
629 | if (!more) { | |
630 | if (curr < 1) { | |
7b504edd JA |
631 | if (o->off2) |
632 | val_store(ilp, ull, o->off2, 0, data, o); | |
6eaf09d6 SL |
633 | } |
634 | if (curr < 2) { | |
7b504edd JA |
635 | if (o->off3) |
636 | val_store(ilp, ull, o->off3, 0, data, o); | |
6eaf09d6 SL |
637 | } |
638 | } | |
75e6f36f | 639 | } else { |
7b504edd JA |
640 | if (first) |
641 | val_store(ullp, ull, o->off1, 0, data, o); | |
02c6aad5 | 642 | if (!more) { |
7b504edd JA |
643 | if (o->off2) |
644 | val_store(ullp, ull, o->off2, 0, data, o); | |
02c6aad5 | 645 | } |
75e6f36f | 646 | } |
e1f36503 JA |
647 | } |
648 | break; | |
649 | } | |
83349190 | 650 | case FIO_OPT_FLOAT_LIST: { |
eef02441 JA |
651 | char *cp2; |
652 | ||
435d195a VKF |
653 | if (first) { |
654 | /* | |
655 | ** Initialize precision to 0 and zero out list | |
656 | ** in case specified list is shorter than default | |
657 | */ | |
3e260a46 JA |
658 | if (o->off2) { |
659 | ul2 = 0; | |
f0fdbcaf | 660 | ilp = td_var(data, o, o->off2); |
3e260a46 JA |
661 | *ilp = ul2; |
662 | } | |
435d195a | 663 | |
f0fdbcaf | 664 | flp = td_var(data, o, o->off1); |
435d195a VKF |
665 | for(i = 0; i < o->maxlen; i++) |
666 | flp[i].u.f = 0.0; | |
667 | } | |
83349190 | 668 | if (curr >= o->maxlen) { |
28d7c363 | 669 | log_err("the list exceeding max length %d\n", |
83349190 YH |
670 | o->maxlen); |
671 | return 1; | |
672 | } | |
88038bc7 | 673 | if (!str_to_float(ptr, &uf, 0)) { /* this breaks if we ever have lists of times */ |
28d7c363 | 674 | log_err("not a floating point value: %s\n", ptr); |
83349190 YH |
675 | return 1; |
676 | } | |
45b3e8d7 BVA |
677 | if (o->minfp || o->maxfp) { |
678 | if (uf > o->maxfp) { | |
679 | log_err("value out of range: %f" | |
680 | " (range max: %f)\n", uf, o->maxfp); | |
681 | return 1; | |
682 | } | |
683 | if (uf < o->minfp) { | |
684 | log_err("value out of range: %f" | |
685 | " (range min: %f)\n", uf, o->minfp); | |
686 | return 1; | |
687 | } | |
83349190 YH |
688 | } |
689 | ||
f0fdbcaf | 690 | flp = td_var(data, o, o->off1); |
fd112d34 | 691 | flp[curr].u.f = uf; |
83349190 | 692 | |
ae3fcb5a JA |
693 | dprint(FD_PARSE, " out=%f\n", uf); |
694 | ||
435d195a VKF |
695 | /* |
696 | ** Calculate precision for output by counting | |
697 | ** number of digits after period. Find first | |
698 | ** period in entire remaining list each time | |
699 | */ | |
700 | cp2 = strchr(ptr, '.'); | |
701 | if (cp2 != NULL) { | |
eef02441 | 702 | int len = 0; |
435d195a VKF |
703 | |
704 | while (*++cp2 != '\0' && *cp2 >= '0' && *cp2 <= '9') | |
705 | len++; | |
706 | ||
3e260a46 | 707 | if (o->off2) { |
f0fdbcaf | 708 | ilp = td_var(data, o, o->off2); |
3e260a46 JA |
709 | if (len > *ilp) |
710 | *ilp = len; | |
711 | } | |
435d195a VKF |
712 | } |
713 | ||
83349190 YH |
714 | break; |
715 | } | |
af52b345 JA |
716 | case FIO_OPT_STR_STORE: { |
717 | fio_opt_str_fn *fn = o->cb; | |
718 | ||
f75c69a1 JA |
719 | if (!strlen(ptr)) |
720 | return 1; | |
721 | ||
7b504edd | 722 | if (o->off1) { |
f0fdbcaf | 723 | cp = td_var(data, o, o->off1); |
184b4098 | 724 | *cp = strdup(ptr); |
1c964ce5 | 725 | } |
02c6aad5 | 726 | |
184b4098 SL |
727 | if (fn) |
728 | ret = fn(data, ptr); | |
729 | else if (o->posval[0].ival) { | |
730 | posval_sort(o, posval); | |
731 | ||
732 | ret = 1; | |
733 | for (i = 0; i < PARSE_MAX_VP; i++) { | |
734 | vp = &posval[i]; | |
ab50817f | 735 | if (!vp->ival || vp->ival[0] == '\0' || !cp) |
184b4098 SL |
736 | continue; |
737 | all_skipped = 0; | |
119cd939 | 738 | if (!strncmp(vp->ival, ptr, str_match_len(vp, ptr))) { |
184b4098 SL |
739 | char *rest; |
740 | ||
741 | ret = 0; | |
742 | if (vp->cb) | |
743 | fn = vp->cb; | |
744 | rest = strstr(*cp ?: ptr, ":"); | |
745 | if (rest) { | |
746 | if (*cp) | |
747 | *rest = '\0'; | |
748 | ptr = rest + 1; | |
749 | } else | |
750 | ptr = NULL; | |
751 | break; | |
752 | } | |
af52b345 JA |
753 | } |
754 | } | |
c44b1ff5 | 755 | |
184b4098 SL |
756 | if (!all_skipped) { |
757 | if (ret && !*cp) | |
758 | show_option_values(o); | |
759 | else if (ret && *cp) | |
760 | ret = 0; | |
761 | else if (fn && ptr) | |
762 | ret = fn(data, ptr); | |
763 | } | |
c44b1ff5 | 764 | |
e1f36503 | 765 | break; |
af52b345 | 766 | } |
e1f36503 | 767 | case FIO_OPT_RANGE: { |
b765a372 | 768 | char tmp[128]; |
e1f36503 JA |
769 | char *p1, *p2; |
770 | ||
209e1037 | 771 | tmp[sizeof(tmp) - 1] = '\0'; |
0bbab0e7 | 772 | strncpy(tmp, ptr, sizeof(tmp) - 1); |
b765a372 | 773 | |
31d23f47 DE |
774 | /* Handle bsrange with separate read,write values: */ |
775 | p1 = strchr(tmp, ','); | |
776 | if (p1) | |
777 | *p1 = '\0'; | |
778 | ||
b765a372 | 779 | p1 = strchr(tmp, '-'); |
e1f36503 | 780 | if (!p1) { |
0c9baf91 JA |
781 | p1 = strchr(tmp, ':'); |
782 | if (!p1) { | |
783 | ret = 1; | |
784 | break; | |
785 | } | |
e1f36503 JA |
786 | } |
787 | ||
788 | p2 = p1 + 1; | |
789 | *p1 = '\0'; | |
b765a372 | 790 | p1 = tmp; |
e1f36503 JA |
791 | |
792 | ret = 1; | |
d6978a32 JA |
793 | if (!check_range_bytes(p1, &ul1, data) && |
794 | !check_range_bytes(p2, &ul2, data)) { | |
e1f36503 | 795 | ret = 0; |
e1f36503 | 796 | if (ul1 > ul2) { |
f90eff5a JA |
797 | unsigned long foo = ul1; |
798 | ||
799 | ul1 = ul2; | |
800 | ul2 = foo; | |
801 | } | |
802 | ||
803 | if (first) { | |
7b504edd JA |
804 | val_store(ilp, ul1, o->off1, 0, data, o); |
805 | val_store(ilp, ul2, o->off2, 0, data, o); | |
17abbe89 | 806 | } |
6eaf09d6 | 807 | if (curr == 1) { |
7b504edd JA |
808 | if (o->off3 && o->off4) { |
809 | val_store(ilp, ul1, o->off3, 0, data, o); | |
810 | val_store(ilp, ul2, o->off4, 0, data, o); | |
6eaf09d6 SL |
811 | } |
812 | } | |
813 | if (curr == 2) { | |
7b504edd JA |
814 | if (o->off5 && o->off6) { |
815 | val_store(ilp, ul1, o->off5, 0, data, o); | |
816 | val_store(ilp, ul2, o->off6, 0, data, o); | |
6eaf09d6 SL |
817 | } |
818 | } | |
819 | if (!more) { | |
820 | if (curr < 1) { | |
7b504edd JA |
821 | if (o->off3 && o->off4) { |
822 | val_store(ilp, ul1, o->off3, 0, data, o); | |
823 | val_store(ilp, ul2, o->off4, 0, data, o); | |
6eaf09d6 SL |
824 | } |
825 | } | |
826 | if (curr < 2) { | |
7b504edd JA |
827 | if (o->off5 && o->off6) { |
828 | val_store(ilp, ul1, o->off5, 0, data, o); | |
829 | val_store(ilp, ul2, o->off6, 0, data, o); | |
6eaf09d6 SL |
830 | } |
831 | } | |
e1f36503 | 832 | } |
17abbe89 JA |
833 | } |
834 | ||
e1f36503 JA |
835 | break; |
836 | } | |
74ba1808 JA |
837 | case FIO_OPT_BOOL: |
838 | case FIO_OPT_STR_SET: { | |
e1f36503 JA |
839 | fio_opt_int_fn *fn = o->cb; |
840 | ||
74ba1808 JA |
841 | if (ptr) |
842 | ret = check_int(ptr, &il); | |
843 | else if (o->type == FIO_OPT_BOOL) | |
844 | ret = 1; | |
845 | else | |
846 | il = 1; | |
847 | ||
ae3fcb5a JA |
848 | dprint(FD_PARSE, " ret=%d, out=%d\n", ret, il); |
849 | ||
e1f36503 JA |
850 | if (ret) |
851 | break; | |
852 | ||
db8e0165 | 853 | if (o->maxval && il > (int) o->maxval) { |
28d7c363 | 854 | log_err("max value out of range: %d (%d max)\n", |
5ec10eaa | 855 | il, o->maxval); |
db8e0165 JA |
856 | return 1; |
857 | } | |
858 | if (o->minval && il < o->minval) { | |
28d7c363 | 859 | log_err("min value out of range: %d (%d min)\n", |
5ec10eaa | 860 | il, o->minval); |
db8e0165 JA |
861 | return 1; |
862 | } | |
e1f36503 | 863 | |
76a43db4 JA |
864 | if (o->neg) |
865 | il = !il; | |
866 | ||
e1f36503 JA |
867 | if (fn) |
868 | ret = fn(data, &il); | |
869 | else { | |
7b504edd JA |
870 | if (first) |
871 | val_store(ilp, il, o->off1, 0, data, o); | |
02c6aad5 | 872 | if (!more) { |
7b504edd JA |
873 | if (o->off2) |
874 | val_store(ilp, il, o->off2, 0, data, o); | |
02c6aad5 | 875 | } |
e1f36503 JA |
876 | } |
877 | break; | |
878 | } | |
15ca150e | 879 | case FIO_OPT_DEPRECATED: |
d9472271 | 880 | ret = 1; |
c47537ee JA |
881 | case FIO_OPT_SOFT_DEPRECATED: |
882 | log_info("Option %s is deprecated\n", o->name); | |
15ca150e | 883 | break; |
e1f36503 | 884 | default: |
06b0be6e | 885 | log_err("Bad option type %u\n", o->type); |
e1f36503 JA |
886 | ret = 1; |
887 | } | |
cb2c86fd | 888 | |
70a4c0c8 JA |
889 | if (ret) |
890 | return ret; | |
891 | ||
d447a8c2 | 892 | if (o->verify) { |
70a4c0c8 | 893 | ret = o->verify(o, data); |
d447a8c2 | 894 | if (ret) { |
28d7c363 JA |
895 | log_err("Correct format for offending option\n"); |
896 | log_err("%20s: %s\n", o->name, o->help); | |
06b0be6e | 897 | show_option_help(o, 1); |
d447a8c2 JA |
898 | } |
899 | } | |
70a4c0c8 | 900 | |
e1f36503 | 901 | return ret; |
cb2c86fd JA |
902 | } |
903 | ||
9109883a BVA |
904 | static int handle_option(const struct fio_option *o, const char *__ptr, |
905 | void *data) | |
f90eff5a | 906 | { |
b62bdf2c JA |
907 | char *o_ptr, *ptr, *ptr2; |
908 | int ret, done; | |
f90eff5a | 909 | |
7c8f1a5c JA |
910 | dprint(FD_PARSE, "handle_option=%s, ptr=%s\n", o->name, __ptr); |
911 | ||
b62bdf2c | 912 | o_ptr = ptr = NULL; |
7c8f1a5c | 913 | if (__ptr) |
b62bdf2c | 914 | o_ptr = ptr = strdup(__ptr); |
a3d741fa | 915 | |
f90eff5a | 916 | /* |
b62bdf2c JA |
917 | * See if we have another set of parameters, hidden after a comma. |
918 | * Do this before parsing this round, to check if we should | |
787f7e95 | 919 | * copy set 1 options to set 2. |
f90eff5a | 920 | */ |
b62bdf2c JA |
921 | done = 0; |
922 | ret = 1; | |
923 | do { | |
924 | int __ret; | |
925 | ||
926 | ptr2 = NULL; | |
927 | if (ptr && | |
928 | (o->type != FIO_OPT_STR_STORE) && | |
83349190 YH |
929 | (o->type != FIO_OPT_STR) && |
930 | (o->type != FIO_OPT_FLOAT_LIST)) { | |
b62bdf2c JA |
931 | ptr2 = strchr(ptr, ','); |
932 | if (ptr2 && *(ptr2 + 1) == '\0') | |
933 | *ptr2 = '\0'; | |
6eaf09d6 | 934 | if (o->type != FIO_OPT_STR_MULTI && o->type != FIO_OPT_RANGE) { |
b62bdf2c JA |
935 | if (!ptr2) |
936 | ptr2 = strchr(ptr, ':'); | |
937 | if (!ptr2) | |
938 | ptr2 = strchr(ptr, '-'); | |
939 | } | |
83349190 YH |
940 | } else if (ptr && o->type == FIO_OPT_FLOAT_LIST) { |
941 | ptr2 = strchr(ptr, ':'); | |
b62bdf2c | 942 | } |
787f7e95 | 943 | |
b62bdf2c JA |
944 | /* |
945 | * Don't return early if parsing the first option fails - if | |
946 | * we are doing multiple arguments, we can allow the first one | |
947 | * being empty. | |
948 | */ | |
83349190 | 949 | __ret = __handle_option(o, ptr, data, !done, !!ptr2, done); |
b62bdf2c JA |
950 | if (ret) |
951 | ret = __ret; | |
787f7e95 | 952 | |
b62bdf2c JA |
953 | if (!ptr2) |
954 | break; | |
f90eff5a | 955 | |
b62bdf2c JA |
956 | ptr = ptr2 + 1; |
957 | done++; | |
958 | } while (1); | |
787f7e95 | 959 | |
b62bdf2c JA |
960 | if (o_ptr) |
961 | free(o_ptr); | |
962 | return ret; | |
f90eff5a JA |
963 | } |
964 | ||
75e6bcba JA |
965 | struct fio_option *find_option(struct fio_option *options, const char *opt) |
966 | { | |
967 | struct fio_option *o; | |
968 | ||
969 | for (o = &options[0]; o->name; o++) { | |
970 | if (!o_match(o, opt)) | |
971 | continue; | |
972 | if (o->type == FIO_OPT_UNSUPPORTED) { | |
973 | log_err("Option <%s>: %s\n", o->name, o->help); | |
974 | continue; | |
975 | } | |
976 | ||
977 | return o; | |
978 | } | |
979 | ||
980 | return NULL; | |
981 | } | |
982 | ||
9109883a BVA |
983 | const struct fio_option * |
984 | find_option_c(const struct fio_option *options, const char *opt) | |
985 | { | |
986 | return find_option((struct fio_option *)options, opt); | |
987 | } | |
75e6bcba | 988 | |
9109883a BVA |
989 | static const struct fio_option * |
990 | get_option(char *opt, const struct fio_option *options, char **post) | |
3b8b7135 | 991 | { |
9109883a | 992 | const struct fio_option *o; |
3b8b7135 JA |
993 | char *ret; |
994 | ||
995 | ret = strchr(opt, '='); | |
996 | if (ret) { | |
997 | *post = ret; | |
998 | *ret = '\0'; | |
de890a1e | 999 | ret = opt; |
3b8b7135 | 1000 | (*post)++; |
43c129b4 | 1001 | strip_blank_end(ret); |
9109883a | 1002 | o = find_option_c(options, ret); |
3b8b7135 | 1003 | } else { |
9109883a | 1004 | o = find_option_c(options, opt); |
3b8b7135 JA |
1005 | *post = NULL; |
1006 | } | |
1007 | ||
1008 | return o; | |
1009 | } | |
1010 | ||
1011 | static int opt_cmp(const void *p1, const void *p2) | |
1012 | { | |
9109883a | 1013 | const struct fio_option *o; |
de890a1e | 1014 | char *s, *foo; |
8cdabc1d | 1015 | int prio1, prio2; |
3b8b7135 | 1016 | |
8cdabc1d | 1017 | prio1 = prio2 = 0; |
3b8b7135 | 1018 | |
de890a1e SL |
1019 | if (*(char **)p1) { |
1020 | s = strdup(*((char **) p1)); | |
9af4a244 | 1021 | o = get_option(s, __fio_options, &foo); |
de890a1e SL |
1022 | if (o) |
1023 | prio1 = o->prio; | |
1024 | free(s); | |
1025 | } | |
1026 | if (*(char **)p2) { | |
1027 | s = strdup(*((char **) p2)); | |
9af4a244 | 1028 | o = get_option(s, __fio_options, &foo); |
de890a1e SL |
1029 | if (o) |
1030 | prio2 = o->prio; | |
1031 | free(s); | |
1032 | } | |
1033 | ||
8cdabc1d | 1034 | return prio2 - prio1; |
3b8b7135 JA |
1035 | } |
1036 | ||
9109883a | 1037 | void sort_options(char **opts, const struct fio_option *options, int num_opts) |
3b8b7135 | 1038 | { |
9af4a244 | 1039 | __fio_options = options; |
3b8b7135 | 1040 | qsort(opts, num_opts, sizeof(char *), opt_cmp); |
9af4a244 | 1041 | __fio_options = NULL; |
3b8b7135 JA |
1042 | } |
1043 | ||
9109883a BVA |
1044 | static void add_to_dump_list(const struct fio_option *o, |
1045 | struct flist_head *dump_list, const char *post) | |
d8b4f395 JA |
1046 | { |
1047 | struct print_option *p; | |
1048 | ||
1049 | if (!dump_list) | |
1050 | return; | |
1051 | ||
1052 | p = malloc(sizeof(*p)); | |
1053 | p->name = strdup(o->name); | |
1054 | if (post) | |
1055 | p->value = strdup(post); | |
1056 | else | |
1057 | p->value = NULL; | |
1058 | ||
1059 | flist_add_tail(&p->list, dump_list); | |
1060 | } | |
1061 | ||
b4692828 | 1062 | int parse_cmd_option(const char *opt, const char *val, |
9109883a | 1063 | const struct fio_option *options, void *data, |
d8b4f395 | 1064 | struct flist_head *dump_list) |
b4692828 | 1065 | { |
9109883a | 1066 | const struct fio_option *o; |
b4692828 | 1067 | |
9109883a | 1068 | o = find_option_c(options, opt); |
b4692828 | 1069 | if (!o) { |
06b0be6e | 1070 | log_err("Bad option <%s>\n", opt); |
b4692828 JA |
1071 | return 1; |
1072 | } | |
1073 | ||
d8b4f395 JA |
1074 | if (handle_option(o, val, data)) { |
1075 | log_err("fio: failed parsing %s=%s\n", opt, val); | |
1076 | return 1; | |
1077 | } | |
b1508cf9 | 1078 | |
d8b4f395 JA |
1079 | add_to_dump_list(o, dump_list, val); |
1080 | return 0; | |
b4692828 JA |
1081 | } |
1082 | ||
9109883a BVA |
1083 | int parse_option(char *opt, const char *input, const struct fio_option *options, |
1084 | const struct fio_option **o, void *data, | |
c2292325 | 1085 | struct flist_head *dump_list) |
cb2c86fd | 1086 | { |
d0c814ec | 1087 | char *post; |
e1f36503 | 1088 | |
d0c814ec SL |
1089 | if (!opt) { |
1090 | log_err("fio: failed parsing %s\n", input); | |
de890a1e | 1091 | *o = NULL; |
38789b58 | 1092 | return 1; |
d0c814ec | 1093 | } |
e1f36503 | 1094 | |
de890a1e SL |
1095 | *o = get_option(opt, options, &post); |
1096 | if (!*o) { | |
1097 | if (post) { | |
1098 | int len = strlen(opt); | |
1099 | if (opt + len + 1 != post) | |
1100 | memmove(opt + len + 1, post, strlen(post)); | |
1101 | opt[len] = '='; | |
1102 | } | |
e1f36503 JA |
1103 | return 1; |
1104 | } | |
1105 | ||
292cc475 JA |
1106 | if (handle_option(*o, post, data)) { |
1107 | log_err("fio: failed parsing %s\n", input); | |
1108 | return 1; | |
1109 | } | |
b1508cf9 | 1110 | |
d8b4f395 | 1111 | add_to_dump_list(*o, dump_list, post); |
292cc475 | 1112 | return 0; |
e1f36503 | 1113 | } |
fd28ca49 | 1114 | |
0e9f7fac JA |
1115 | /* |
1116 | * Option match, levenshtein distance. Handy for not quite remembering what | |
1117 | * the option name is. | |
1118 | */ | |
a893c261 | 1119 | int string_distance(const char *s1, const char *s2) |
0e9f7fac JA |
1120 | { |
1121 | unsigned int s1_len = strlen(s1); | |
1122 | unsigned int s2_len = strlen(s2); | |
1123 | unsigned int *p, *q, *r; | |
1124 | unsigned int i, j; | |
1125 | ||
1126 | p = malloc(sizeof(unsigned int) * (s2_len + 1)); | |
1127 | q = malloc(sizeof(unsigned int) * (s2_len + 1)); | |
1128 | ||
1129 | p[0] = 0; | |
1130 | for (i = 1; i <= s2_len; i++) | |
1131 | p[i] = p[i - 1] + 1; | |
1132 | ||
1133 | for (i = 1; i <= s1_len; i++) { | |
1134 | q[0] = p[0] + 1; | |
1135 | for (j = 1; j <= s2_len; j++) { | |
1136 | unsigned int sub = p[j - 1]; | |
8a1db9a1 | 1137 | unsigned int pmin; |
0e9f7fac JA |
1138 | |
1139 | if (s1[i - 1] != s2[j - 1]) | |
1140 | sub++; | |
1141 | ||
8a1db9a1 JA |
1142 | pmin = min(q[j - 1] + 1, sub); |
1143 | q[j] = min(p[j] + 1, pmin); | |
0e9f7fac JA |
1144 | } |
1145 | r = p; | |
1146 | p = q; | |
1147 | q = r; | |
1148 | } | |
1149 | ||
1150 | i = p[s2_len]; | |
1151 | free(p); | |
1152 | free(q); | |
1153 | return i; | |
1154 | } | |
1155 | ||
3701636d JA |
1156 | /* |
1157 | * Make a guess of whether the distance from 's1' is significant enough | |
1158 | * to warrant printing the guess. We set this to a 1/2 match. | |
1159 | */ | |
1160 | int string_distance_ok(const char *opt, int distance) | |
1161 | { | |
1162 | size_t len; | |
1163 | ||
1164 | len = strlen(opt); | |
1165 | len = (len + 1) / 2; | |
1166 | return distance <= len; | |
1167 | } | |
1168 | ||
9109883a BVA |
1169 | static const struct fio_option *find_child(const struct fio_option *options, |
1170 | const struct fio_option *o) | |
afdf9352 | 1171 | { |
9109883a | 1172 | const struct fio_option *__o; |
afdf9352 | 1173 | |
fdf28744 JA |
1174 | for (__o = options + 1; __o->name; __o++) |
1175 | if (__o->parent && !strcmp(__o->parent, o->name)) | |
afdf9352 JA |
1176 | return __o; |
1177 | ||
1178 | return NULL; | |
1179 | } | |
1180 | ||
9109883a BVA |
1181 | static void __print_option(const struct fio_option *o, |
1182 | const struct fio_option *org, | |
323d9113 | 1183 | int level) |
afdf9352 JA |
1184 | { |
1185 | char name[256], *p; | |
323d9113 | 1186 | int depth; |
afdf9352 JA |
1187 | |
1188 | if (!o) | |
1189 | return; | |
5ec10eaa | 1190 | |
afdf9352 | 1191 | p = name; |
323d9113 JA |
1192 | depth = level; |
1193 | while (depth--) | |
1194 | p += sprintf(p, "%s", " "); | |
afdf9352 JA |
1195 | |
1196 | sprintf(p, "%s", o->name); | |
1197 | ||
28d7c363 | 1198 | log_info("%-24s: %s\n", name, o->help); |
323d9113 JA |
1199 | } |
1200 | ||
9109883a | 1201 | static void print_option(const struct fio_option *o) |
323d9113 | 1202 | { |
9109883a BVA |
1203 | const struct fio_option *parent; |
1204 | const struct fio_option *__o; | |
323d9113 JA |
1205 | unsigned int printed; |
1206 | unsigned int level; | |
1207 | ||
1208 | __print_option(o, NULL, 0); | |
1209 | parent = o; | |
1210 | level = 0; | |
1211 | do { | |
1212 | level++; | |
1213 | printed = 0; | |
1214 | ||
1215 | while ((__o = find_child(o, parent)) != NULL) { | |
1216 | __print_option(__o, o, level); | |
1217 | o = __o; | |
1218 | printed++; | |
1219 | } | |
1220 | ||
1221 | parent = o; | |
1222 | } while (printed); | |
afdf9352 JA |
1223 | } |
1224 | ||
9109883a | 1225 | int show_cmd_help(const struct fio_option *options, const char *name) |
0e9f7fac | 1226 | { |
9109883a | 1227 | const struct fio_option *o, *closest; |
d091d099 | 1228 | unsigned int best_dist = -1U; |
29fc6afe | 1229 | int found = 0; |
320beefe JA |
1230 | int show_all = 0; |
1231 | ||
1232 | if (!name || !strcmp(name, "all")) | |
1233 | show_all = 1; | |
fd28ca49 | 1234 | |
0e9f7fac JA |
1235 | closest = NULL; |
1236 | best_dist = -1; | |
4945ba12 | 1237 | for (o = &options[0]; o->name; o++) { |
320beefe JA |
1238 | int match = 0; |
1239 | ||
c47537ee JA |
1240 | if (o->type == FIO_OPT_DEPRECATED || |
1241 | o->type == FIO_OPT_SOFT_DEPRECATED) | |
15ca150e | 1242 | continue; |
07b3232d JA |
1243 | if (!exec_profile && o->prof_name) |
1244 | continue; | |
4ac23d27 JA |
1245 | if (exec_profile && !(o->prof_name && !strcmp(exec_profile, o->prof_name))) |
1246 | continue; | |
15ca150e | 1247 | |
0e9f7fac | 1248 | if (name) { |
7f9348f8 JA |
1249 | if (!strcmp(name, o->name) || |
1250 | (o->alias && !strcmp(name, o->alias))) | |
0e9f7fac JA |
1251 | match = 1; |
1252 | else { | |
1253 | unsigned int dist; | |
1254 | ||
1255 | dist = string_distance(name, o->name); | |
1256 | if (dist < best_dist) { | |
1257 | best_dist = dist; | |
1258 | closest = o; | |
1259 | } | |
1260 | } | |
1261 | } | |
fd28ca49 JA |
1262 | |
1263 | if (show_all || match) { | |
29fc6afe | 1264 | found = 1; |
c167dedc | 1265 | if (match) |
28d7c363 | 1266 | log_info("%20s: %s\n", o->name, o->help); |
c167dedc | 1267 | if (show_all) { |
afdf9352 | 1268 | if (!o->parent) |
323d9113 | 1269 | print_option(o); |
4945ba12 | 1270 | continue; |
c167dedc | 1271 | } |
fd28ca49 JA |
1272 | } |
1273 | ||
70df2f19 JA |
1274 | if (!match) |
1275 | continue; | |
1276 | ||
06b0be6e | 1277 | show_option_help(o, 0); |
fd28ca49 JA |
1278 | } |
1279 | ||
29fc6afe JA |
1280 | if (found) |
1281 | return 0; | |
fd28ca49 | 1282 | |
28d7c363 | 1283 | log_err("No such command: %s", name); |
d091d099 JA |
1284 | |
1285 | /* | |
1286 | * Only print an appropriately close option, one where the edit | |
1287 | * distance isn't too big. Otherwise we get crazy matches. | |
1288 | */ | |
1289 | if (closest && best_dist < 3) { | |
28d7c363 JA |
1290 | log_info(" - showing closest match\n"); |
1291 | log_info("%20s: %s\n", closest->name, closest->help); | |
06b0be6e | 1292 | show_option_help(closest, 0); |
0e9f7fac | 1293 | } else |
28d7c363 | 1294 | log_info("\n"); |
0e9f7fac | 1295 | |
29fc6afe | 1296 | return 1; |
fd28ca49 | 1297 | } |
ee738499 | 1298 | |
13335ddb JA |
1299 | /* |
1300 | * Handle parsing of default parameters. | |
1301 | */ | |
9109883a | 1302 | void fill_default_options(void *data, const struct fio_option *options) |
ee738499 | 1303 | { |
9109883a | 1304 | const struct fio_option *o; |
ee738499 | 1305 | |
a3d741fa JA |
1306 | dprint(FD_PARSE, "filling default options\n"); |
1307 | ||
4945ba12 | 1308 | for (o = &options[0]; o->name; o++) |
ee738499 JA |
1309 | if (o->def) |
1310 | handle_option(o, o->def, data); | |
ee738499 | 1311 | } |
13335ddb | 1312 | |
8aa89d70 | 1313 | static void option_init(struct fio_option *o) |
9f988e2e | 1314 | { |
c47537ee JA |
1315 | if (o->type == FIO_OPT_DEPRECATED || o->type == FIO_OPT_UNSUPPORTED || |
1316 | o->type == FIO_OPT_SOFT_DEPRECATED) | |
9f988e2e | 1317 | return; |
bbcacb72 JA |
1318 | if (o->name && !o->lname) |
1319 | log_err("Option %s: missing long option name\n", o->name); | |
9f988e2e JA |
1320 | if (o->type == FIO_OPT_BOOL) { |
1321 | o->minval = 0; | |
1322 | o->maxval = 1; | |
1323 | } | |
d4fc2f04 JA |
1324 | if (o->type == FIO_OPT_INT) { |
1325 | if (!o->maxval) | |
1326 | o->maxval = UINT_MAX; | |
1327 | } | |
c8931876 | 1328 | if (o->type == FIO_OPT_STR_SET && o->def && !o->no_warn_def) { |
06b0be6e | 1329 | log_err("Option %s: string set option with" |
9f988e2e JA |
1330 | " default will always be true\n", o->name); |
1331 | } | |
7b504edd | 1332 | if (!o->cb && !o->off1) |
06b0be6e | 1333 | log_err("Option %s: neither cb nor offset given\n", o->name); |
22754746 | 1334 | if (!o->category) { |
cca5b5bc | 1335 | log_info("Option %s: no category defined. Setting to misc\n", o->name); |
22754746 | 1336 | o->category = FIO_OPT_C_GENERAL; |
ffd7821f | 1337 | o->group = FIO_OPT_G_INVALID; |
22754746 | 1338 | } |
5f6ddf1e JA |
1339 | if (o->type == FIO_OPT_STR || o->type == FIO_OPT_STR_STORE || |
1340 | o->type == FIO_OPT_STR_MULTI) | |
9f988e2e | 1341 | return; |
9f988e2e JA |
1342 | } |
1343 | ||
13335ddb JA |
1344 | /* |
1345 | * Sanitize the options structure. For now it just sets min/max for bool | |
5b0a8880 | 1346 | * values and whether both callback and offsets are given. |
13335ddb JA |
1347 | */ |
1348 | void options_init(struct fio_option *options) | |
1349 | { | |
4945ba12 | 1350 | struct fio_option *o; |
13335ddb | 1351 | |
a3d741fa JA |
1352 | dprint(FD_PARSE, "init options\n"); |
1353 | ||
90265353 | 1354 | for (o = &options[0]; o->name; o++) { |
9f988e2e | 1355 | option_init(o); |
90265353 JA |
1356 | if (o->inverse) |
1357 | o->inv_opt = find_option(options, o->inverse); | |
1358 | } | |
13335ddb | 1359 | } |
7e356b2d | 1360 | |
9109883a | 1361 | void options_mem_dupe(const struct fio_option *options, void *data) |
53b5693d | 1362 | { |
9109883a | 1363 | const struct fio_option *o; |
53b5693d TK |
1364 | char **ptr; |
1365 | ||
1366 | dprint(FD_PARSE, "dup options\n"); | |
1367 | ||
1368 | for (o = &options[0]; o->name; o++) { | |
1369 | if (o->type != FIO_OPT_STR_STORE) | |
1370 | continue; | |
1371 | ||
1372 | ptr = td_var(data, o, o->off1); | |
1373 | if (*ptr) | |
1374 | *ptr = strdup(*ptr); | |
1375 | } | |
1376 | } | |
1377 | ||
9109883a | 1378 | void options_free(const struct fio_option *options, void *data) |
7e356b2d | 1379 | { |
9109883a | 1380 | const struct fio_option *o; |
7e356b2d JA |
1381 | char **ptr; |
1382 | ||
1383 | dprint(FD_PARSE, "free options\n"); | |
1384 | ||
1385 | for (o = &options[0]; o->name; o++) { | |
43f466e6 | 1386 | if (o->type != FIO_OPT_STR_STORE || !o->off1 || o->no_free) |
7e356b2d JA |
1387 | continue; |
1388 | ||
f0fdbcaf | 1389 | ptr = td_var(data, o, o->off1); |
7e356b2d JA |
1390 | if (*ptr) { |
1391 | free(*ptr); | |
1392 | *ptr = NULL; | |
1393 | } | |
1394 | } | |
1395 | } |