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> |
cb2c86fd JA |
12 | |
13 | #include "parse.h" | |
a3d741fa | 14 | #include "debug.h" |
9f988e2e | 15 | #include "options.h" |
cb2c86fd | 16 | |
3b8b7135 | 17 | static struct fio_option *fio_options; |
d6978a32 | 18 | extern unsigned int fio_get_kb_base(void *); |
3b8b7135 | 19 | |
f085737f JA |
20 | static int vp_cmp(const void *p1, const void *p2) |
21 | { | |
22 | const struct value_pair *vp1 = p1; | |
23 | const struct value_pair *vp2 = p2; | |
24 | ||
25 | return strlen(vp2->ival) - strlen(vp1->ival); | |
26 | } | |
27 | ||
28 | static void posval_sort(struct fio_option *o, struct value_pair *vpmap) | |
29 | { | |
30 | const struct value_pair *vp; | |
31 | int entries; | |
32 | ||
33 | memset(vpmap, 0, PARSE_MAX_VP * sizeof(struct value_pair)); | |
34 | ||
35 | for (entries = 0; entries < PARSE_MAX_VP; entries++) { | |
36 | vp = &o->posval[entries]; | |
37 | if (!vp->ival || vp->ival[0] == '\0') | |
38 | break; | |
39 | ||
40 | memcpy(&vpmap[entries], vp, sizeof(*vp)); | |
41 | } | |
42 | ||
43 | qsort(vpmap, entries, sizeof(struct value_pair), vp_cmp); | |
44 | } | |
45 | ||
d447a8c2 | 46 | static void show_option_range(struct fio_option *o, FILE *out) |
b1ec1da6 JA |
47 | { |
48 | if (!o->minval && !o->maxval) | |
49 | return; | |
50 | ||
d447a8c2 | 51 | fprintf(out, "%20s: min=%d", "range", o->minval); |
3980127d | 52 | if (o->maxval) |
d447a8c2 JA |
53 | fprintf(out, ", max=%d", o->maxval); |
54 | fprintf(out, "\n"); | |
b1ec1da6 JA |
55 | } |
56 | ||
57 | static void show_option_values(struct fio_option *o) | |
58 | { | |
a3073f4a | 59 | int i; |
b1ec1da6 | 60 | |
a3073f4a | 61 | for (i = 0; i < PARSE_MAX_VP; i++) { |
7837213b | 62 | const struct value_pair *vp = &o->posval[i]; |
b1ec1da6 | 63 | |
7837213b | 64 | if (!vp->ival) |
a3073f4a | 65 | continue; |
b1ec1da6 | 66 | |
7837213b JA |
67 | printf("%20s: %-10s", i == 0 ? "valid values" : "", vp->ival); |
68 | if (vp->help) | |
69 | printf(" %s", vp->help); | |
70 | printf("\n"); | |
a3073f4a | 71 | } |
b1ec1da6 JA |
72 | |
73 | if (i) | |
74 | printf("\n"); | |
75 | } | |
76 | ||
d447a8c2 JA |
77 | static void show_option_help(struct fio_option *o, FILE *out) |
78 | { | |
79 | const char *typehelp[] = { | |
07b3232d | 80 | "invalid", |
d447a8c2 | 81 | "string (opt=bla)", |
ae3fb6fb | 82 | "string (opt=bla)", |
d447a8c2 JA |
83 | "string with possible k/m/g postfix (opt=4k)", |
84 | "string with time postfix (opt=10s)", | |
85 | "string (opt=bla)", | |
86 | "string with dual range (opt=1k-4k,4k-8k)", | |
87 | "integer value (opt=100)", | |
88 | "boolean value (opt=1)", | |
89 | "no argument (opt)", | |
07b3232d | 90 | "deprecated", |
d447a8c2 JA |
91 | }; |
92 | ||
93 | if (o->alias) | |
94 | fprintf(out, "%20s: %s\n", "alias", o->alias); | |
95 | ||
96 | fprintf(out, "%20s: %s\n", "type", typehelp[o->type]); | |
97 | fprintf(out, "%20s: %s\n", "default", o->def ? o->def : "no default"); | |
07b3232d JA |
98 | if (o->prof_name) |
99 | fprintf(out, "%20s: only for profile '%s'\n", "valid", o->prof_name); | |
d447a8c2 JA |
100 | show_option_range(o, stdout); |
101 | show_option_values(o); | |
102 | } | |
103 | ||
cb2c86fd JA |
104 | static unsigned long get_mult_time(char c) |
105 | { | |
106 | switch (c) { | |
5ec10eaa JA |
107 | case 'm': |
108 | case 'M': | |
109 | return 60; | |
110 | case 'h': | |
111 | case 'H': | |
112 | return 60 * 60; | |
113 | case 'd': | |
114 | case 'D': | |
115 | return 24 * 60 * 60; | |
116 | default: | |
117 | return 1; | |
cb2c86fd JA |
118 | } |
119 | } | |
120 | ||
7bb59102 JA |
121 | static unsigned long long __get_mult_bytes(const char *p, void *data, |
122 | int *percent) | |
cb2c86fd | 123 | { |
d6978a32 | 124 | unsigned int kb_base = fio_get_kb_base(data); |
a639f0bb | 125 | unsigned long long ret = 1; |
57fc29fa JA |
126 | unsigned int i, pow = 0, mult = kb_base; |
127 | char *c; | |
a639f0bb | 128 | |
57fc29fa JA |
129 | if (!p) |
130 | return 1; | |
a639f0bb | 131 | |
57fc29fa JA |
132 | c = strdup(p); |
133 | ||
134 | for (i = 0; i < strlen(c); i++) | |
135 | c[i] = tolower(c[i]); | |
136 | ||
137 | if (!strcmp("pib", c)) { | |
138 | pow = 5; | |
139 | mult = 1000; | |
140 | } else if (!strcmp("tib", c)) { | |
141 | pow = 4; | |
142 | mult = 1000; | |
143 | } else if (!strcmp("gib", c)) { | |
144 | pow = 3; | |
145 | mult = 1000; | |
146 | } else if (!strcmp("mib", c)) { | |
147 | pow = 2; | |
148 | mult = 1000; | |
149 | } else if (!strcmp("kib", c)) { | |
150 | pow = 1; | |
151 | mult = 1000; | |
152 | } else if (!strcmp("p", c) || !strcmp("pb", c)) | |
153 | pow = 5; | |
154 | else if (!strcmp("t", c) || !strcmp("tb", c)) | |
155 | pow = 4; | |
156 | else if (!strcmp("g", c) || !strcmp("gb", c)) | |
157 | pow = 3; | |
158 | else if (!strcmp("m", c) || !strcmp("mb", c)) | |
159 | pow = 2; | |
160 | else if (!strcmp("k", c) || !strcmp("kb", c)) | |
161 | pow = 1; | |
7bb59102 JA |
162 | else if (!strcmp("%", c)) { |
163 | *percent = 1; | |
164 | return ret; | |
165 | } | |
57fc29fa JA |
166 | |
167 | while (pow--) | |
168 | ret *= (unsigned long long) mult; | |
169 | ||
170 | free(c); | |
a639f0bb | 171 | return ret; |
cb2c86fd JA |
172 | } |
173 | ||
7bb59102 JA |
174 | static unsigned long long get_mult_bytes(const char *str, int len, void *data, |
175 | int *percent) | |
57fc29fa | 176 | { |
55ed9636 | 177 | const char *p = str; |
57fc29fa | 178 | |
1d1c187b | 179 | if (len < 2) |
7bb59102 | 180 | return __get_mult_bytes(str, data, percent); |
1d1c187b | 181 | |
55ed9636 JA |
182 | /* |
183 | * Go forward until we hit a non-digit | |
184 | */ | |
185 | while ((p - str) <= len) { | |
76cd9378 | 186 | if (!isdigit((int) *p)) |
55ed9636 JA |
187 | break; |
188 | p++; | |
189 | } | |
190 | ||
7bb59102 | 191 | if (!isalpha((int) *p) && (*p != '%')) |
57fc29fa JA |
192 | p = NULL; |
193 | ||
7bb59102 | 194 | return __get_mult_bytes(p, data, percent); |
57fc29fa JA |
195 | } |
196 | ||
cb2c86fd | 197 | /* |
e1f36503 | 198 | * convert string into decimal value, noting any size suffix |
cb2c86fd | 199 | */ |
d6978a32 | 200 | int str_to_decimal(const char *str, long long *val, int kilo, void *data) |
cb2c86fd | 201 | { |
b347f9da | 202 | int len, base; |
cb2c86fd | 203 | |
cb2c86fd | 204 | len = strlen(str); |
f90eff5a JA |
205 | if (!len) |
206 | return 1; | |
cb2c86fd | 207 | |
b347f9da JA |
208 | if (strstr(str, "0x") || strstr(str, "0X")) |
209 | base = 16; | |
210 | else | |
211 | base = 10; | |
212 | ||
213 | *val = strtoll(str, NULL, base); | |
cda866ca | 214 | if (*val == LONG_MAX && errno == ERANGE) |
cb2c86fd JA |
215 | return 1; |
216 | ||
7bb59102 JA |
217 | if (kilo) { |
218 | unsigned long long mult; | |
219 | int perc = 0; | |
220 | ||
221 | mult = get_mult_bytes(str, len, data, &perc); | |
222 | if (perc) | |
223 | *val = -1ULL - *val; | |
224 | else | |
225 | *val *= mult; | |
226 | } else | |
cb2c86fd | 227 | *val *= get_mult_time(str[len - 1]); |
787f7e95 | 228 | |
cb2c86fd JA |
229 | return 0; |
230 | } | |
231 | ||
d6978a32 | 232 | static int check_str_bytes(const char *p, long long *val, void *data) |
cb2c86fd | 233 | { |
d6978a32 | 234 | return str_to_decimal(p, val, 1, data); |
cb2c86fd JA |
235 | } |
236 | ||
63f29372 | 237 | static int check_str_time(const char *p, long long *val) |
cb2c86fd | 238 | { |
d6978a32 | 239 | return str_to_decimal(p, val, 0, NULL); |
cb2c86fd JA |
240 | } |
241 | ||
242 | void strip_blank_front(char **p) | |
243 | { | |
244 | char *s = *p; | |
245 | ||
76cd9378 | 246 | while (isspace((int) *s)) |
cb2c86fd | 247 | s++; |
4d651dad JA |
248 | |
249 | *p = s; | |
cb2c86fd JA |
250 | } |
251 | ||
252 | void strip_blank_end(char *p) | |
253 | { | |
853ee7fc | 254 | char *start = p, *s; |
523bfadb JA |
255 | |
256 | s = strchr(p, ';'); | |
257 | if (s) | |
258 | *s = '\0'; | |
259 | s = strchr(p, '#'); | |
260 | if (s) | |
261 | *s = '\0'; | |
262 | if (s) | |
263 | p = s; | |
264 | ||
7f7e6e59 | 265 | s = p + strlen(p); |
76cd9378 | 266 | while ((isspace((int) *s) || iscntrl((int) *s)) && (s > start)) |
cb2c86fd JA |
267 | s--; |
268 | ||
269 | *(s + 1) = '\0'; | |
270 | } | |
271 | ||
d6978a32 | 272 | static int check_range_bytes(const char *str, long *val, void *data) |
cb2c86fd | 273 | { |
57fc29fa | 274 | long long __val; |
cb2c86fd | 275 | |
57fc29fa JA |
276 | if (!str_to_decimal(str, &__val, 1, data)) { |
277 | *val = __val; | |
cb2c86fd JA |
278 | return 0; |
279 | } | |
280 | ||
cb2c86fd JA |
281 | return 1; |
282 | } | |
283 | ||
63f29372 | 284 | static int check_int(const char *p, int *val) |
cb2c86fd | 285 | { |
787f7e95 JA |
286 | if (!strlen(p)) |
287 | return 1; | |
d78ee463 | 288 | if (strstr(p, "0x") || strstr(p, "0X")) { |
a61bdfd8 JA |
289 | if (sscanf(p, "%x", val) == 1) |
290 | return 0; | |
291 | } else { | |
292 | if (sscanf(p, "%u", val) == 1) | |
293 | return 0; | |
294 | } | |
cb2c86fd | 295 | |
e1f36503 JA |
296 | return 1; |
297 | } | |
cb2c86fd | 298 | |
808def70 JA |
299 | static int opt_len(const char *str) |
300 | { | |
301 | char *postfix; | |
302 | ||
303 | postfix = strchr(str, ':'); | |
304 | if (!postfix) | |
305 | return strlen(str); | |
306 | ||
307 | return (int)(postfix - str); | |
308 | } | |
309 | ||
5f6ddf1e | 310 | #define val_store(ptr, val, off, or, data) \ |
17abbe89 JA |
311 | do { \ |
312 | ptr = td_var((data), (off)); \ | |
5f6ddf1e JA |
313 | if ((or)) \ |
314 | *ptr |= (val); \ | |
315 | else \ | |
316 | *ptr = (val); \ | |
17abbe89 JA |
317 | } while (0) |
318 | ||
f90eff5a | 319 | static int __handle_option(struct fio_option *o, const char *ptr, void *data, |
787f7e95 | 320 | int first, int more) |
cb2c86fd | 321 | { |
63f29372 JA |
322 | int il, *ilp; |
323 | long long ull, *ullp; | |
324 | long ul1, ul2; | |
b4692828 | 325 | char **cp; |
e42b01eb | 326 | int ret = 0, is_time = 0; |
cb2c86fd | 327 | |
a3d741fa JA |
328 | dprint(FD_PARSE, "__handle_option=%s, type=%d, ptr=%s\n", o->name, |
329 | o->type, ptr); | |
330 | ||
e3cedca7 | 331 | if (!ptr && o->type != FIO_OPT_STR_SET && o->type != FIO_OPT_STR) { |
08e26e35 JA |
332 | fprintf(stderr, "Option %s requires an argument\n", o->name); |
333 | return 1; | |
334 | } | |
335 | ||
e1f36503 | 336 | switch (o->type) { |
5f6ddf1e JA |
337 | case FIO_OPT_STR: |
338 | case FIO_OPT_STR_MULTI: { | |
e1f36503 | 339 | fio_opt_str_fn *fn = o->cb; |
b1ec1da6 | 340 | const struct value_pair *vp; |
f085737f | 341 | struct value_pair posval[PARSE_MAX_VP]; |
ae2ddba4 | 342 | int i, all_skipped = 1; |
b1ec1da6 | 343 | |
f085737f JA |
344 | posval_sort(o, posval); |
345 | ||
5f6ddf1e | 346 | ret = 1; |
b1ec1da6 | 347 | for (i = 0; i < PARSE_MAX_VP; i++) { |
f085737f | 348 | vp = &posval[i]; |
b1ec1da6 | 349 | if (!vp->ival || vp->ival[0] == '\0') |
a3073f4a | 350 | continue; |
ae2ddba4 | 351 | all_skipped = 0; |
808def70 | 352 | if (!strncmp(vp->ival, ptr, opt_len(ptr))) { |
b1ec1da6 | 353 | ret = 0; |
5f6ddf1e JA |
354 | if (o->roff1) { |
355 | if (vp->or) | |
356 | *(unsigned int *) o->roff1 |= vp->oval; | |
357 | else | |
358 | *(unsigned int *) o->roff1 = vp->oval; | |
359 | } else { | |
02c6aad5 | 360 | if (!o->off1) |
5f6ddf1e JA |
361 | continue; |
362 | val_store(ilp, vp->oval, o->off1, vp->or, data); | |
02c6aad5 | 363 | } |
5f6ddf1e | 364 | continue; |
b1ec1da6 JA |
365 | } |
366 | } | |
cb2c86fd | 367 | |
ae2ddba4 | 368 | if (ret && !all_skipped) |
b1ec1da6 JA |
369 | show_option_values(o); |
370 | else if (fn) | |
371 | ret = fn(data, ptr); | |
e1f36503 JA |
372 | break; |
373 | } | |
e42b01eb JA |
374 | case FIO_OPT_STR_VAL_TIME: |
375 | is_time = 1; | |
1a1137d9 | 376 | case FIO_OPT_INT: |
e42b01eb JA |
377 | case FIO_OPT_STR_VAL: { |
378 | fio_opt_str_val_fn *fn = o->cb; | |
379 | ||
380 | if (is_time) | |
381 | ret = check_str_time(ptr, &ull); | |
382 | else | |
383 | ret = check_str_bytes(ptr, &ull, data); | |
e1f36503 JA |
384 | |
385 | if (ret) | |
386 | break; | |
387 | ||
db8e0165 | 388 | if (o->maxval && ull > o->maxval) { |
5ec10eaa JA |
389 | fprintf(stderr, "max value out of range: %lld" |
390 | " (%d max)\n", ull, o->maxval); | |
db8e0165 JA |
391 | return 1; |
392 | } | |
393 | if (o->minval && ull < o->minval) { | |
5ec10eaa JA |
394 | fprintf(stderr, "min value out of range: %lld" |
395 | " (%d min)\n", ull, o->minval); | |
db8e0165 JA |
396 | return 1; |
397 | } | |
e1f36503 JA |
398 | |
399 | if (fn) | |
400 | ret = fn(data, &ull); | |
401 | else { | |
e01b22b8 | 402 | if (o->type == FIO_OPT_INT) { |
02c6aad5 JA |
403 | if (first) { |
404 | if (o->roff1) | |
7758d4f0 | 405 | *(unsigned int *) o->roff1 = ull; |
02c6aad5 | 406 | else |
5f6ddf1e | 407 | val_store(ilp, ull, o->off1, 0, data); |
02c6aad5 JA |
408 | } |
409 | if (!more) { | |
410 | if (o->roff2) | |
7758d4f0 | 411 | *(unsigned int *) o->roff2 = ull; |
02c6aad5 | 412 | else if (o->off2) |
5f6ddf1e | 413 | val_store(ilp, ull, o->off2, 0, data); |
02c6aad5 | 414 | } |
75e6f36f | 415 | } else { |
02c6aad5 JA |
416 | if (first) { |
417 | if (o->roff1) | |
418 | *(unsigned long long *) o->roff1 = ull; | |
419 | else | |
5f6ddf1e | 420 | val_store(ullp, ull, o->off1, 0, data); |
02c6aad5 JA |
421 | } |
422 | if (!more) { | |
423 | if (o->roff2) | |
424 | *(unsigned long long *) o->roff2 = ull; | |
425 | else if (o->off2) | |
5f6ddf1e | 426 | val_store(ullp, ull, o->off2, 0, data); |
02c6aad5 | 427 | } |
75e6f36f | 428 | } |
e1f36503 JA |
429 | } |
430 | break; | |
431 | } | |
af52b345 JA |
432 | case FIO_OPT_STR_STORE: { |
433 | fio_opt_str_fn *fn = o->cb; | |
434 | ||
02c6aad5 JA |
435 | if (o->roff1) |
436 | cp = (char **) o->roff1; | |
437 | else | |
438 | cp = td_var(data, o->off1); | |
439 | ||
e1f36503 | 440 | *cp = strdup(ptr); |
af52b345 JA |
441 | if (fn) { |
442 | ret = fn(data, ptr); | |
443 | if (ret) { | |
444 | free(*cp); | |
445 | *cp = NULL; | |
446 | } | |
447 | } | |
e1f36503 | 448 | break; |
af52b345 | 449 | } |
e1f36503 | 450 | case FIO_OPT_RANGE: { |
b765a372 | 451 | char tmp[128]; |
e1f36503 JA |
452 | char *p1, *p2; |
453 | ||
0bbab0e7 | 454 | strncpy(tmp, ptr, sizeof(tmp) - 1); |
b765a372 | 455 | |
31d23f47 DE |
456 | /* Handle bsrange with separate read,write values: */ |
457 | p1 = strchr(tmp, ','); | |
458 | if (p1) | |
459 | *p1 = '\0'; | |
460 | ||
b765a372 | 461 | p1 = strchr(tmp, '-'); |
e1f36503 | 462 | if (!p1) { |
0c9baf91 JA |
463 | p1 = strchr(tmp, ':'); |
464 | if (!p1) { | |
465 | ret = 1; | |
466 | break; | |
467 | } | |
e1f36503 JA |
468 | } |
469 | ||
470 | p2 = p1 + 1; | |
471 | *p1 = '\0'; | |
b765a372 | 472 | p1 = tmp; |
e1f36503 JA |
473 | |
474 | ret = 1; | |
d6978a32 JA |
475 | if (!check_range_bytes(p1, &ul1, data) && |
476 | !check_range_bytes(p2, &ul2, data)) { | |
e1f36503 | 477 | ret = 0; |
e1f36503 | 478 | if (ul1 > ul2) { |
f90eff5a JA |
479 | unsigned long foo = ul1; |
480 | ||
481 | ul1 = ul2; | |
482 | ul2 = foo; | |
483 | } | |
484 | ||
485 | if (first) { | |
02c6aad5 | 486 | if (o->roff1) |
7758d4f0 | 487 | *(unsigned int *) o->roff1 = ul1; |
02c6aad5 | 488 | else |
5f6ddf1e | 489 | val_store(ilp, ul1, o->off1, 0, data); |
02c6aad5 | 490 | if (o->roff2) |
7758d4f0 | 491 | *(unsigned int *) o->roff2 = ul2; |
02c6aad5 | 492 | else |
5f6ddf1e | 493 | val_store(ilp, ul2, o->off2, 0, data); |
17abbe89 | 494 | } |
02c6aad5 | 495 | if (o->roff3 && o->roff4) { |
7758d4f0 JA |
496 | *(unsigned int *) o->roff3 = ul1; |
497 | *(unsigned int *) o->roff4 = ul2; | |
02c6aad5 | 498 | } else if (o->off3 && o->off4) { |
5f6ddf1e JA |
499 | val_store(ilp, ul1, o->off3, 0, data); |
500 | val_store(ilp, ul2, o->off4, 0, data); | |
e1f36503 | 501 | } |
17abbe89 JA |
502 | } |
503 | ||
e1f36503 JA |
504 | break; |
505 | } | |
74ba1808 JA |
506 | case FIO_OPT_BOOL: |
507 | case FIO_OPT_STR_SET: { | |
e1f36503 JA |
508 | fio_opt_int_fn *fn = o->cb; |
509 | ||
74ba1808 JA |
510 | if (ptr) |
511 | ret = check_int(ptr, &il); | |
512 | else if (o->type == FIO_OPT_BOOL) | |
513 | ret = 1; | |
514 | else | |
515 | il = 1; | |
516 | ||
e1f36503 JA |
517 | if (ret) |
518 | break; | |
519 | ||
db8e0165 | 520 | if (o->maxval && il > (int) o->maxval) { |
5ec10eaa JA |
521 | fprintf(stderr, "max value out of range: %d (%d max)\n", |
522 | il, o->maxval); | |
db8e0165 JA |
523 | return 1; |
524 | } | |
525 | if (o->minval && il < o->minval) { | |
5ec10eaa JA |
526 | fprintf(stderr, "min value out of range: %d (%d min)\n", |
527 | il, o->minval); | |
db8e0165 JA |
528 | return 1; |
529 | } | |
e1f36503 | 530 | |
76a43db4 JA |
531 | if (o->neg) |
532 | il = !il; | |
533 | ||
e1f36503 JA |
534 | if (fn) |
535 | ret = fn(data, &il); | |
536 | else { | |
02c6aad5 JA |
537 | if (first) { |
538 | if (o->roff1) | |
539 | *(unsigned int *)o->roff1 = il; | |
540 | else | |
5f6ddf1e | 541 | val_store(ilp, il, o->off1, 0, data); |
02c6aad5 JA |
542 | } |
543 | if (!more) { | |
544 | if (o->roff2) | |
545 | *(unsigned int *) o->roff2 = il; | |
546 | else if (o->off2) | |
5f6ddf1e | 547 | val_store(ilp, il, o->off2, 0, data); |
02c6aad5 | 548 | } |
e1f36503 JA |
549 | } |
550 | break; | |
551 | } | |
15ca150e JA |
552 | case FIO_OPT_DEPRECATED: |
553 | fprintf(stdout, "Option %s is deprecated\n", o->name); | |
554 | break; | |
e1f36503 | 555 | default: |
1e97cce9 | 556 | fprintf(stderr, "Bad option type %u\n", o->type); |
e1f36503 JA |
557 | ret = 1; |
558 | } | |
cb2c86fd | 559 | |
70a4c0c8 JA |
560 | if (ret) |
561 | return ret; | |
562 | ||
d447a8c2 | 563 | if (o->verify) { |
70a4c0c8 | 564 | ret = o->verify(o, data); |
d447a8c2 JA |
565 | if (ret) { |
566 | fprintf(stderr,"Correct format for offending option\n"); | |
567 | fprintf(stderr, "%20s: %s\n", o->name, o->help); | |
568 | show_option_help(o, stderr); | |
569 | } | |
570 | } | |
70a4c0c8 | 571 | |
e1f36503 | 572 | return ret; |
cb2c86fd JA |
573 | } |
574 | ||
7c8f1a5c | 575 | static int handle_option(struct fio_option *o, const char *__ptr, void *data) |
f90eff5a | 576 | { |
b62bdf2c JA |
577 | char *o_ptr, *ptr, *ptr2; |
578 | int ret, done; | |
f90eff5a | 579 | |
7c8f1a5c JA |
580 | dprint(FD_PARSE, "handle_option=%s, ptr=%s\n", o->name, __ptr); |
581 | ||
b62bdf2c | 582 | o_ptr = ptr = NULL; |
7c8f1a5c | 583 | if (__ptr) |
b62bdf2c | 584 | o_ptr = ptr = strdup(__ptr); |
a3d741fa | 585 | |
f90eff5a | 586 | /* |
b62bdf2c JA |
587 | * See if we have another set of parameters, hidden after a comma. |
588 | * Do this before parsing this round, to check if we should | |
787f7e95 | 589 | * copy set 1 options to set 2. |
f90eff5a | 590 | */ |
b62bdf2c JA |
591 | done = 0; |
592 | ret = 1; | |
593 | do { | |
594 | int __ret; | |
595 | ||
596 | ptr2 = NULL; | |
597 | if (ptr && | |
598 | (o->type != FIO_OPT_STR_STORE) && | |
599 | (o->type != FIO_OPT_STR)) { | |
600 | ptr2 = strchr(ptr, ','); | |
601 | if (ptr2 && *(ptr2 + 1) == '\0') | |
602 | *ptr2 = '\0'; | |
603 | if (o->type != FIO_OPT_STR_MULTI) { | |
604 | if (!ptr2) | |
605 | ptr2 = strchr(ptr, ':'); | |
606 | if (!ptr2) | |
607 | ptr2 = strchr(ptr, '-'); | |
608 | } | |
609 | } | |
787f7e95 | 610 | |
b62bdf2c JA |
611 | /* |
612 | * Don't return early if parsing the first option fails - if | |
613 | * we are doing multiple arguments, we can allow the first one | |
614 | * being empty. | |
615 | */ | |
616 | __ret = __handle_option(o, ptr, data, !done, !!ptr2); | |
617 | if (ret) | |
618 | ret = __ret; | |
787f7e95 | 619 | |
b62bdf2c JA |
620 | if (!ptr2) |
621 | break; | |
f90eff5a | 622 | |
b62bdf2c JA |
623 | ptr = ptr2 + 1; |
624 | done++; | |
625 | } while (1); | |
787f7e95 | 626 | |
b62bdf2c JA |
627 | if (o_ptr) |
628 | free(o_ptr); | |
629 | return ret; | |
f90eff5a JA |
630 | } |
631 | ||
3b8b7135 | 632 | static struct fio_option *get_option(const char *opt, |
07b3232d | 633 | struct fio_option *options, char **post) |
3b8b7135 JA |
634 | { |
635 | struct fio_option *o; | |
636 | char *ret; | |
637 | ||
638 | ret = strchr(opt, '='); | |
639 | if (ret) { | |
640 | *post = ret; | |
641 | *ret = '\0'; | |
642 | ret = (char *) opt; | |
643 | (*post)++; | |
43c129b4 | 644 | strip_blank_end(ret); |
07b3232d | 645 | o = find_option(options, ret); |
3b8b7135 | 646 | } else { |
07b3232d | 647 | o = find_option(options, opt); |
3b8b7135 JA |
648 | *post = NULL; |
649 | } | |
650 | ||
651 | return o; | |
652 | } | |
653 | ||
654 | static int opt_cmp(const void *p1, const void *p2) | |
655 | { | |
656 | struct fio_option *o1, *o2; | |
657 | char *s1, *s2, *foo; | |
8cdabc1d | 658 | int prio1, prio2; |
3b8b7135 JA |
659 | |
660 | s1 = strdup(*((char **) p1)); | |
661 | s2 = strdup(*((char **) p2)); | |
662 | ||
07b3232d JA |
663 | o1 = get_option(s1, fio_options, &foo); |
664 | o2 = get_option(s2, fio_options, &foo); | |
0b9d69ec | 665 | |
8cdabc1d JA |
666 | prio1 = prio2 = 0; |
667 | if (o1) | |
668 | prio1 = o1->prio; | |
669 | if (o2) | |
670 | prio2 = o2->prio; | |
3b8b7135 JA |
671 | |
672 | free(s1); | |
673 | free(s2); | |
8cdabc1d | 674 | return prio2 - prio1; |
3b8b7135 JA |
675 | } |
676 | ||
677 | void sort_options(char **opts, struct fio_option *options, int num_opts) | |
678 | { | |
679 | fio_options = options; | |
680 | qsort(opts, num_opts, sizeof(char *), opt_cmp); | |
681 | fio_options = NULL; | |
682 | } | |
683 | ||
b4692828 | 684 | int parse_cmd_option(const char *opt, const char *val, |
07b3232d | 685 | struct fio_option *options, void *data) |
b4692828 JA |
686 | { |
687 | struct fio_option *o; | |
688 | ||
07b3232d | 689 | o = find_option(options, opt); |
b4692828 | 690 | if (!o) { |
43c129b4 | 691 | fprintf(stderr, "Bad option <%s>\n", opt); |
b4692828 JA |
692 | return 1; |
693 | } | |
694 | ||
b1508cf9 JA |
695 | if (!handle_option(o, val, data)) |
696 | return 0; | |
697 | ||
698 | fprintf(stderr, "fio: failed parsing %s=%s\n", opt, val); | |
699 | return 1; | |
b4692828 JA |
700 | } |
701 | ||
88b5a391 AC |
702 | /* |
703 | * Return a copy of the input string with substrings of the form ${VARNAME} | |
704 | * substituted with the value of the environment variable VARNAME. The | |
705 | * substitution always occurs, even if VARNAME is empty or the corresponding | |
706 | * environment variable undefined. | |
707 | */ | |
708 | static char *option_dup_subs(const char *opt) | |
709 | { | |
710 | char out[OPT_LEN_MAX+1]; | |
711 | char in[OPT_LEN_MAX+1]; | |
712 | char *outptr = out; | |
713 | char *inptr = in; | |
714 | char *ch1, *ch2, *env; | |
715 | ssize_t nchr = OPT_LEN_MAX; | |
716 | size_t envlen; | |
717 | ||
a0741cbb | 718 | if (strlen(opt) + 1 > OPT_LEN_MAX) { |
38789b58 JA |
719 | fprintf(stderr, "OPT_LEN_MAX (%d) is too small\n", OPT_LEN_MAX); |
720 | return NULL; | |
721 | } | |
722 | ||
88b5a391 AC |
723 | in[OPT_LEN_MAX] = '\0'; |
724 | strncpy(in, opt, OPT_LEN_MAX); | |
725 | ||
726 | while (*inptr && nchr > 0) { | |
727 | if (inptr[0] == '$' && inptr[1] == '{') { | |
728 | ch2 = strchr(inptr, '}'); | |
729 | if (ch2 && inptr+1 < ch2) { | |
730 | ch1 = inptr+2; | |
731 | inptr = ch2+1; | |
732 | *ch2 = '\0'; | |
733 | ||
734 | env = getenv(ch1); | |
735 | if (env) { | |
736 | envlen = strlen(env); | |
737 | if (envlen <= nchr) { | |
738 | memcpy(outptr, env, envlen); | |
739 | outptr += envlen; | |
740 | nchr -= envlen; | |
741 | } | |
742 | } | |
743 | ||
744 | continue; | |
745 | } | |
746 | } | |
747 | ||
748 | *outptr++ = *inptr++; | |
749 | --nchr; | |
750 | } | |
751 | ||
752 | *outptr = '\0'; | |
753 | return strdup(out); | |
754 | } | |
755 | ||
07b3232d | 756 | int parse_option(const char *opt, struct fio_option *options, void *data) |
cb2c86fd | 757 | { |
b4692828 | 758 | struct fio_option *o; |
3b8b7135 | 759 | char *post, *tmp; |
e1f36503 | 760 | |
88b5a391 | 761 | tmp = option_dup_subs(opt); |
38789b58 JA |
762 | if (!tmp) |
763 | return 1; | |
e1f36503 | 764 | |
07b3232d | 765 | o = get_option(tmp, options, &post); |
e1f36503 | 766 | if (!o) { |
43c129b4 | 767 | fprintf(stderr, "Bad option <%s>\n", tmp); |
0401bca6 | 768 | free(tmp); |
e1f36503 JA |
769 | return 1; |
770 | } | |
771 | ||
0401bca6 JA |
772 | if (!handle_option(o, post, data)) { |
773 | free(tmp); | |
b1508cf9 | 774 | return 0; |
0401bca6 | 775 | } |
b1508cf9 JA |
776 | |
777 | fprintf(stderr, "fio: failed parsing %s\n", opt); | |
0401bca6 | 778 | free(tmp); |
b1508cf9 | 779 | return 1; |
e1f36503 | 780 | } |
fd28ca49 | 781 | |
0e9f7fac JA |
782 | /* |
783 | * Option match, levenshtein distance. Handy for not quite remembering what | |
784 | * the option name is. | |
785 | */ | |
786 | static int string_distance(const char *s1, const char *s2) | |
787 | { | |
788 | unsigned int s1_len = strlen(s1); | |
789 | unsigned int s2_len = strlen(s2); | |
790 | unsigned int *p, *q, *r; | |
791 | unsigned int i, j; | |
792 | ||
793 | p = malloc(sizeof(unsigned int) * (s2_len + 1)); | |
794 | q = malloc(sizeof(unsigned int) * (s2_len + 1)); | |
795 | ||
796 | p[0] = 0; | |
797 | for (i = 1; i <= s2_len; i++) | |
798 | p[i] = p[i - 1] + 1; | |
799 | ||
800 | for (i = 1; i <= s1_len; i++) { | |
801 | q[0] = p[0] + 1; | |
802 | for (j = 1; j <= s2_len; j++) { | |
803 | unsigned int sub = p[j - 1]; | |
804 | ||
805 | if (s1[i - 1] != s2[j - 1]) | |
806 | sub++; | |
807 | ||
808 | q[j] = min(p[j] + 1, min(q[j - 1] + 1, sub)); | |
809 | } | |
810 | r = p; | |
811 | p = q; | |
812 | q = r; | |
813 | } | |
814 | ||
815 | i = p[s2_len]; | |
816 | free(p); | |
817 | free(q); | |
818 | return i; | |
819 | } | |
820 | ||
afdf9352 JA |
821 | static struct fio_option *find_child(struct fio_option *options, |
822 | struct fio_option *o) | |
823 | { | |
824 | struct fio_option *__o; | |
825 | ||
fdf28744 JA |
826 | for (__o = options + 1; __o->name; __o++) |
827 | if (__o->parent && !strcmp(__o->parent, o->name)) | |
afdf9352 JA |
828 | return __o; |
829 | ||
830 | return NULL; | |
831 | } | |
832 | ||
323d9113 JA |
833 | static void __print_option(struct fio_option *o, struct fio_option *org, |
834 | int level) | |
afdf9352 JA |
835 | { |
836 | char name[256], *p; | |
323d9113 | 837 | int depth; |
afdf9352 JA |
838 | |
839 | if (!o) | |
840 | return; | |
ef9aff52 JA |
841 | if (!org) |
842 | org = o; | |
5ec10eaa | 843 | |
afdf9352 | 844 | p = name; |
323d9113 JA |
845 | depth = level; |
846 | while (depth--) | |
847 | p += sprintf(p, "%s", " "); | |
afdf9352 JA |
848 | |
849 | sprintf(p, "%s", o->name); | |
850 | ||
851 | printf("%-24s: %s\n", name, o->help); | |
323d9113 JA |
852 | } |
853 | ||
854 | static void print_option(struct fio_option *o) | |
855 | { | |
856 | struct fio_option *parent; | |
857 | struct fio_option *__o; | |
858 | unsigned int printed; | |
859 | unsigned int level; | |
860 | ||
861 | __print_option(o, NULL, 0); | |
862 | parent = o; | |
863 | level = 0; | |
864 | do { | |
865 | level++; | |
866 | printed = 0; | |
867 | ||
868 | while ((__o = find_child(o, parent)) != NULL) { | |
869 | __print_option(__o, o, level); | |
870 | o = __o; | |
871 | printed++; | |
872 | } | |
873 | ||
874 | parent = o; | |
875 | } while (printed); | |
afdf9352 JA |
876 | } |
877 | ||
07b3232d | 878 | int show_cmd_help(struct fio_option *options, const char *name) |
0e9f7fac JA |
879 | { |
880 | struct fio_option *o, *closest; | |
d091d099 | 881 | unsigned int best_dist = -1U; |
29fc6afe | 882 | int found = 0; |
320beefe JA |
883 | int show_all = 0; |
884 | ||
885 | if (!name || !strcmp(name, "all")) | |
886 | show_all = 1; | |
fd28ca49 | 887 | |
0e9f7fac JA |
888 | closest = NULL; |
889 | best_dist = -1; | |
4945ba12 | 890 | for (o = &options[0]; o->name; o++) { |
320beefe JA |
891 | int match = 0; |
892 | ||
15ca150e JA |
893 | if (o->type == FIO_OPT_DEPRECATED) |
894 | continue; | |
07b3232d JA |
895 | if (!exec_profile && o->prof_name) |
896 | continue; | |
15ca150e | 897 | |
0e9f7fac | 898 | if (name) { |
7f9348f8 JA |
899 | if (!strcmp(name, o->name) || |
900 | (o->alias && !strcmp(name, o->alias))) | |
0e9f7fac JA |
901 | match = 1; |
902 | else { | |
903 | unsigned int dist; | |
904 | ||
905 | dist = string_distance(name, o->name); | |
906 | if (dist < best_dist) { | |
907 | best_dist = dist; | |
908 | closest = o; | |
909 | } | |
910 | } | |
911 | } | |
fd28ca49 JA |
912 | |
913 | if (show_all || match) { | |
29fc6afe | 914 | found = 1; |
c167dedc | 915 | if (match) |
07b3232d | 916 | printf("%20s: %s\n", o->name, o->help); |
c167dedc | 917 | if (show_all) { |
afdf9352 | 918 | if (!o->parent) |
323d9113 | 919 | print_option(o); |
4945ba12 | 920 | continue; |
c167dedc | 921 | } |
fd28ca49 JA |
922 | } |
923 | ||
70df2f19 JA |
924 | if (!match) |
925 | continue; | |
926 | ||
d447a8c2 | 927 | show_option_help(o, stdout); |
fd28ca49 JA |
928 | } |
929 | ||
29fc6afe JA |
930 | if (found) |
931 | return 0; | |
fd28ca49 | 932 | |
0e9f7fac | 933 | printf("No such command: %s", name); |
d091d099 JA |
934 | |
935 | /* | |
936 | * Only print an appropriately close option, one where the edit | |
937 | * distance isn't too big. Otherwise we get crazy matches. | |
938 | */ | |
939 | if (closest && best_dist < 3) { | |
0e9f7fac JA |
940 | printf(" - showing closest match\n"); |
941 | printf("%20s: %s\n", closest->name, closest->help); | |
d447a8c2 | 942 | show_option_help(closest, stdout); |
0e9f7fac JA |
943 | } else |
944 | printf("\n"); | |
945 | ||
29fc6afe | 946 | return 1; |
fd28ca49 | 947 | } |
ee738499 | 948 | |
13335ddb JA |
949 | /* |
950 | * Handle parsing of default parameters. | |
951 | */ | |
ee738499 JA |
952 | void fill_default_options(void *data, struct fio_option *options) |
953 | { | |
4945ba12 | 954 | struct fio_option *o; |
ee738499 | 955 | |
a3d741fa JA |
956 | dprint(FD_PARSE, "filling default options\n"); |
957 | ||
4945ba12 | 958 | for (o = &options[0]; o->name; o++) |
ee738499 JA |
959 | if (o->def) |
960 | handle_option(o, o->def, data); | |
ee738499 | 961 | } |
13335ddb | 962 | |
9f988e2e JA |
963 | void option_init(struct fio_option *o) |
964 | { | |
965 | if (o->type == FIO_OPT_DEPRECATED) | |
966 | return; | |
967 | if (o->type == FIO_OPT_BOOL) { | |
968 | o->minval = 0; | |
969 | o->maxval = 1; | |
970 | } | |
971 | if (o->type == FIO_OPT_STR_SET && o->def) { | |
972 | fprintf(stderr, "Option %s: string set option with" | |
973 | " default will always be true\n", o->name); | |
974 | } | |
e2de69da | 975 | if (!o->cb && (!o->off1 && !o->roff1)) { |
9f988e2e JA |
976 | fprintf(stderr, "Option %s: neither cb nor offset given\n", |
977 | o->name); | |
978 | } | |
5f6ddf1e JA |
979 | if (o->type == FIO_OPT_STR || o->type == FIO_OPT_STR_STORE || |
980 | o->type == FIO_OPT_STR_MULTI) | |
9f988e2e | 981 | return; |
e2de69da JA |
982 | if (o->cb && ((o->off1 || o->off2 || o->off3 || o->off4) || |
983 | (o->roff1 || o->roff2 || o->roff3 || o->roff4))) { | |
9f988e2e JA |
984 | fprintf(stderr, "Option %s: both cb and offset given\n", |
985 | o->name); | |
986 | } | |
987 | } | |
988 | ||
13335ddb JA |
989 | /* |
990 | * Sanitize the options structure. For now it just sets min/max for bool | |
5b0a8880 | 991 | * values and whether both callback and offsets are given. |
13335ddb JA |
992 | */ |
993 | void options_init(struct fio_option *options) | |
994 | { | |
4945ba12 | 995 | struct fio_option *o; |
13335ddb | 996 | |
a3d741fa JA |
997 | dprint(FD_PARSE, "init options\n"); |
998 | ||
9f988e2e JA |
999 | for (o = &options[0]; o->name; o++) |
1000 | option_init(o); | |
13335ddb | 1001 | } |