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> |
cb2c86fd JA |
13 | |
14 | #include "parse.h" | |
a3d741fa | 15 | #include "debug.h" |
9f988e2e | 16 | #include "options.h" |
cb2c86fd | 17 | |
3b8b7135 | 18 | static struct fio_option *fio_options; |
d6978a32 | 19 | extern unsigned int fio_get_kb_base(void *); |
3b8b7135 | 20 | |
f085737f JA |
21 | static int vp_cmp(const void *p1, const void *p2) |
22 | { | |
23 | const struct value_pair *vp1 = p1; | |
24 | const struct value_pair *vp2 = p2; | |
25 | ||
26 | return strlen(vp2->ival) - strlen(vp1->ival); | |
27 | } | |
28 | ||
ce952ab6 | 29 | static void posval_sort(struct fio_option *o, struct value_pair *vpmap) |
f085737f JA |
30 | { |
31 | const struct value_pair *vp; | |
32 | int entries; | |
33 | ||
34 | memset(vpmap, 0, PARSE_MAX_VP * sizeof(struct value_pair)); | |
35 | ||
36 | for (entries = 0; entries < PARSE_MAX_VP; entries++) { | |
37 | vp = &o->posval[entries]; | |
38 | if (!vp->ival || vp->ival[0] == '\0') | |
39 | break; | |
40 | ||
41 | memcpy(&vpmap[entries], vp, sizeof(*vp)); | |
42 | } | |
43 | ||
44 | qsort(vpmap, entries, sizeof(struct value_pair), vp_cmp); | |
45 | } | |
46 | ||
06b0be6e JA |
47 | static void show_option_range(struct fio_option *o, |
48 | int (*logger)(const char *format, ...)) | |
b1ec1da6 | 49 | { |
83349190 YH |
50 | if (o->type == FIO_OPT_FLOAT_LIST){ |
51 | if (isnan(o->minfp) && isnan(o->maxfp)) | |
52 | return; | |
53 | ||
06b0be6e | 54 | logger("%20s: min=%f", "range", o->minfp); |
83349190 | 55 | if (!isnan(o->maxfp)) |
06b0be6e JA |
56 | logger(", max=%f", o->maxfp); |
57 | logger("\n"); | |
83349190 YH |
58 | } else { |
59 | if (!o->minval && !o->maxval) | |
60 | return; | |
b1ec1da6 | 61 | |
06b0be6e | 62 | logger("%20s: min=%d", "range", o->minval); |
83349190 | 63 | if (o->maxval) |
06b0be6e JA |
64 | logger(", max=%d", o->maxval); |
65 | logger("\n"); | |
83349190 | 66 | } |
b1ec1da6 JA |
67 | } |
68 | ||
69 | static void show_option_values(struct fio_option *o) | |
70 | { | |
a3073f4a | 71 | int i; |
b1ec1da6 | 72 | |
a3073f4a | 73 | for (i = 0; i < PARSE_MAX_VP; i++) { |
7837213b | 74 | const struct value_pair *vp = &o->posval[i]; |
b1ec1da6 | 75 | |
7837213b | 76 | if (!vp->ival) |
a3073f4a | 77 | continue; |
b1ec1da6 | 78 | |
06b0be6e | 79 | log_info("%20s: %-10s", i == 0 ? "valid values" : "", vp->ival); |
7837213b | 80 | if (vp->help) |
06b0be6e JA |
81 | log_info(" %s", vp->help); |
82 | log_info("\n"); | |
a3073f4a | 83 | } |
b1ec1da6 JA |
84 | |
85 | if (i) | |
06b0be6e | 86 | log_info("\n"); |
b1ec1da6 JA |
87 | } |
88 | ||
06b0be6e | 89 | static void show_option_help(struct fio_option *o, int is_err) |
d447a8c2 JA |
90 | { |
91 | const char *typehelp[] = { | |
07b3232d | 92 | "invalid", |
d447a8c2 | 93 | "string (opt=bla)", |
ae3fb6fb | 94 | "string (opt=bla)", |
d447a8c2 JA |
95 | "string with possible k/m/g postfix (opt=4k)", |
96 | "string with time postfix (opt=10s)", | |
97 | "string (opt=bla)", | |
98 | "string with dual range (opt=1k-4k,4k-8k)", | |
99 | "integer value (opt=100)", | |
100 | "boolean value (opt=1)", | |
83349190 | 101 | "list of floating point values separated by ':' (opt=5.9:7.8)", |
d447a8c2 | 102 | "no argument (opt)", |
07b3232d | 103 | "deprecated", |
d447a8c2 | 104 | }; |
06b0be6e JA |
105 | int (*logger)(const char *format, ...); |
106 | ||
107 | if (is_err) | |
108 | logger = log_err; | |
109 | else | |
110 | logger = log_info; | |
d447a8c2 JA |
111 | |
112 | if (o->alias) | |
06b0be6e | 113 | logger("%20s: %s\n", "alias", o->alias); |
d447a8c2 | 114 | |
06b0be6e JA |
115 | logger("%20s: %s\n", "type", typehelp[o->type]); |
116 | logger("%20s: %s\n", "default", o->def ? o->def : "no default"); | |
07b3232d | 117 | if (o->prof_name) |
06b0be6e JA |
118 | logger("%20s: only for profile '%s'\n", "valid", o->prof_name); |
119 | show_option_range(o, logger); | |
d447a8c2 JA |
120 | show_option_values(o); |
121 | } | |
122 | ||
cb2c86fd JA |
123 | static unsigned long get_mult_time(char c) |
124 | { | |
125 | switch (c) { | |
5ec10eaa JA |
126 | case 'm': |
127 | case 'M': | |
128 | return 60; | |
129 | case 'h': | |
130 | case 'H': | |
131 | return 60 * 60; | |
132 | case 'd': | |
133 | case 'D': | |
134 | return 24 * 60 * 60; | |
135 | default: | |
136 | return 1; | |
cb2c86fd JA |
137 | } |
138 | } | |
139 | ||
7bb59102 JA |
140 | static unsigned long long __get_mult_bytes(const char *p, void *data, |
141 | int *percent) | |
cb2c86fd | 142 | { |
d6978a32 | 143 | unsigned int kb_base = fio_get_kb_base(data); |
a639f0bb | 144 | unsigned long long ret = 1; |
57fc29fa JA |
145 | unsigned int i, pow = 0, mult = kb_base; |
146 | char *c; | |
a639f0bb | 147 | |
57fc29fa JA |
148 | if (!p) |
149 | return 1; | |
a639f0bb | 150 | |
57fc29fa JA |
151 | c = strdup(p); |
152 | ||
153 | for (i = 0; i < strlen(c); i++) | |
154 | c[i] = tolower(c[i]); | |
155 | ||
a04f158d | 156 | if (!strncmp("pib", c, 3)) { |
57fc29fa JA |
157 | pow = 5; |
158 | mult = 1000; | |
a04f158d | 159 | } else if (!strncmp("tib", c, 3)) { |
57fc29fa JA |
160 | pow = 4; |
161 | mult = 1000; | |
a04f158d | 162 | } else if (!strncmp("gib", c, 3)) { |
57fc29fa JA |
163 | pow = 3; |
164 | mult = 1000; | |
a04f158d | 165 | } else if (!strncmp("mib", c, 3)) { |
57fc29fa JA |
166 | pow = 2; |
167 | mult = 1000; | |
a04f158d | 168 | } else if (!strncmp("kib", c, 3)) { |
57fc29fa JA |
169 | pow = 1; |
170 | mult = 1000; | |
a04f158d | 171 | } else if (!strncmp("p", c, 1) || !strncmp("pb", c, 2)) |
57fc29fa | 172 | pow = 5; |
a04f158d | 173 | else if (!strncmp("t", c, 1) || !strncmp("tb", c, 2)) |
57fc29fa | 174 | pow = 4; |
a04f158d | 175 | else if (!strncmp("g", c, 1) || !strncmp("gb", c, 2)) |
57fc29fa | 176 | pow = 3; |
a04f158d | 177 | else if (!strncmp("m", c, 1) || !strncmp("mb", c, 2)) |
57fc29fa | 178 | pow = 2; |
a04f158d | 179 | else if (!strncmp("k", c, 1) || !strncmp("kb", c, 2)) |
57fc29fa | 180 | pow = 1; |
a04f158d | 181 | else if (!strncmp("%", c, 1)) { |
7bb59102 | 182 | *percent = 1; |
e721c57f | 183 | free(c); |
7bb59102 JA |
184 | return ret; |
185 | } | |
57fc29fa JA |
186 | |
187 | while (pow--) | |
188 | ret *= (unsigned long long) mult; | |
189 | ||
190 | free(c); | |
a639f0bb | 191 | return ret; |
cb2c86fd JA |
192 | } |
193 | ||
7bb59102 | 194 | static unsigned long long get_mult_bytes(const char *str, int len, void *data, |
6925dd35 | 195 | int *percent) |
57fc29fa | 196 | { |
55ed9636 | 197 | const char *p = str; |
ba4ddd69 | 198 | int digit_seen = 0; |
57fc29fa | 199 | |
1d1c187b | 200 | if (len < 2) |
7bb59102 | 201 | return __get_mult_bytes(str, data, percent); |
1d1c187b | 202 | |
d0c814ec SL |
203 | /* |
204 | * Go forward until we hit a non-digit, or +/- sign | |
205 | */ | |
55ed9636 | 206 | while ((p - str) <= len) { |
ba4ddd69 JA |
207 | if (!isdigit((int) *p) && |
208 | (((*p != '+') && (*p != '-')) || digit_seen)) | |
55ed9636 | 209 | break; |
3c703d13 | 210 | digit_seen |= isdigit((int) *p); |
55ed9636 JA |
211 | p++; |
212 | } | |
213 | ||
7bb59102 | 214 | if (!isalpha((int) *p) && (*p != '%')) |
57fc29fa JA |
215 | p = NULL; |
216 | ||
7bb59102 | 217 | return __get_mult_bytes(p, data, percent); |
57fc29fa JA |
218 | } |
219 | ||
83349190 YH |
220 | /* |
221 | * Convert string into a floating number. Return 1 for success and 0 otherwise. | |
222 | */ | |
cc62ea70 | 223 | static int str_to_float(const char *str, double *val) |
83349190 YH |
224 | { |
225 | return (1 == sscanf(str, "%lf", val)); | |
226 | } | |
227 | ||
cb2c86fd | 228 | /* |
e1f36503 | 229 | * convert string into decimal value, noting any size suffix |
cb2c86fd | 230 | */ |
6925dd35 | 231 | int str_to_decimal(const char *str, long long *val, int kilo, void *data) |
cb2c86fd | 232 | { |
b347f9da | 233 | int len, base; |
cb2c86fd | 234 | |
cb2c86fd | 235 | len = strlen(str); |
f90eff5a JA |
236 | if (!len) |
237 | return 1; | |
cb2c86fd | 238 | |
b347f9da JA |
239 | if (strstr(str, "0x") || strstr(str, "0X")) |
240 | base = 16; | |
241 | else | |
242 | base = 10; | |
243 | ||
244 | *val = strtoll(str, NULL, base); | |
cda866ca | 245 | if (*val == LONG_MAX && errno == ERANGE) |
cb2c86fd JA |
246 | return 1; |
247 | ||
7bb59102 JA |
248 | if (kilo) { |
249 | unsigned long long mult; | |
250 | int perc = 0; | |
251 | ||
6925dd35 | 252 | mult = get_mult_bytes(str, len, data, &perc); |
7bb59102 JA |
253 | if (perc) |
254 | *val = -1ULL - *val; | |
255 | else | |
256 | *val *= mult; | |
257 | } else | |
cb2c86fd | 258 | *val *= get_mult_time(str[len - 1]); |
787f7e95 | 259 | |
cb2c86fd JA |
260 | return 0; |
261 | } | |
262 | ||
6925dd35 | 263 | static int check_str_bytes(const char *p, long long *val, void *data) |
cb2c86fd | 264 | { |
6925dd35 | 265 | return str_to_decimal(p, val, 1, data); |
cb2c86fd JA |
266 | } |
267 | ||
63f29372 | 268 | static int check_str_time(const char *p, long long *val) |
cb2c86fd | 269 | { |
6925dd35 | 270 | return str_to_decimal(p, val, 0, NULL); |
cb2c86fd JA |
271 | } |
272 | ||
273 | void strip_blank_front(char **p) | |
274 | { | |
275 | char *s = *p; | |
276 | ||
4c8e9640 JA |
277 | if (!strlen(s)) |
278 | return; | |
76cd9378 | 279 | while (isspace((int) *s)) |
cb2c86fd | 280 | s++; |
4d651dad JA |
281 | |
282 | *p = s; | |
cb2c86fd JA |
283 | } |
284 | ||
285 | void strip_blank_end(char *p) | |
286 | { | |
853ee7fc | 287 | char *start = p, *s; |
523bfadb | 288 | |
4c8e9640 JA |
289 | if (!strlen(p)) |
290 | return; | |
291 | ||
523bfadb JA |
292 | s = strchr(p, ';'); |
293 | if (s) | |
294 | *s = '\0'; | |
295 | s = strchr(p, '#'); | |
296 | if (s) | |
297 | *s = '\0'; | |
298 | if (s) | |
299 | p = s; | |
300 | ||
7f7e6e59 | 301 | s = p + strlen(p); |
76cd9378 | 302 | while ((isspace((int) *s) || iscntrl((int) *s)) && (s > start)) |
cb2c86fd JA |
303 | s--; |
304 | ||
305 | *(s + 1) = '\0'; | |
306 | } | |
307 | ||
d6978a32 | 308 | static int check_range_bytes(const char *str, long *val, void *data) |
cb2c86fd | 309 | { |
57fc29fa | 310 | long long __val; |
cb2c86fd | 311 | |
6925dd35 | 312 | if (!str_to_decimal(str, &__val, 1, data)) { |
57fc29fa | 313 | *val = __val; |
cb2c86fd JA |
314 | return 0; |
315 | } | |
316 | ||
cb2c86fd JA |
317 | return 1; |
318 | } | |
319 | ||
63f29372 | 320 | static int check_int(const char *p, int *val) |
cb2c86fd | 321 | { |
787f7e95 JA |
322 | if (!strlen(p)) |
323 | return 1; | |
d78ee463 | 324 | if (strstr(p, "0x") || strstr(p, "0X")) { |
a61bdfd8 JA |
325 | if (sscanf(p, "%x", val) == 1) |
326 | return 0; | |
327 | } else { | |
328 | if (sscanf(p, "%u", val) == 1) | |
329 | return 0; | |
330 | } | |
cb2c86fd | 331 | |
e1f36503 JA |
332 | return 1; |
333 | } | |
cb2c86fd | 334 | |
808def70 JA |
335 | static int opt_len(const char *str) |
336 | { | |
337 | char *postfix; | |
338 | ||
339 | postfix = strchr(str, ':'); | |
340 | if (!postfix) | |
341 | return strlen(str); | |
342 | ||
343 | return (int)(postfix - str); | |
344 | } | |
345 | ||
5f6ddf1e | 346 | #define val_store(ptr, val, off, or, data) \ |
17abbe89 JA |
347 | do { \ |
348 | ptr = td_var((data), (off)); \ | |
5f6ddf1e JA |
349 | if ((or)) \ |
350 | *ptr |= (val); \ | |
351 | else \ | |
352 | *ptr = (val); \ | |
17abbe89 JA |
353 | } while (0) |
354 | ||
f90eff5a | 355 | static int __handle_option(struct fio_option *o, const char *ptr, void *data, |
83349190 | 356 | int first, int more, int curr) |
cb2c86fd | 357 | { |
63f29372 | 358 | int il, *ilp; |
83349190 | 359 | double* flp; |
63f29372 JA |
360 | long long ull, *ullp; |
361 | long ul1, ul2; | |
83349190 | 362 | double uf; |
b4692828 | 363 | char **cp; |
e42b01eb | 364 | int ret = 0, is_time = 0; |
c44b1ff5 JA |
365 | const struct value_pair *vp; |
366 | struct value_pair posval[PARSE_MAX_VP]; | |
367 | int i, all_skipped = 1; | |
cb2c86fd | 368 | |
a3d741fa JA |
369 | dprint(FD_PARSE, "__handle_option=%s, type=%d, ptr=%s\n", o->name, |
370 | o->type, ptr); | |
371 | ||
e3cedca7 | 372 | if (!ptr && o->type != FIO_OPT_STR_SET && o->type != FIO_OPT_STR) { |
28d7c363 | 373 | log_err("Option %s requires an argument\n", o->name); |
08e26e35 JA |
374 | return 1; |
375 | } | |
376 | ||
e1f36503 | 377 | switch (o->type) { |
5f6ddf1e JA |
378 | case FIO_OPT_STR: |
379 | case FIO_OPT_STR_MULTI: { | |
e1f36503 | 380 | fio_opt_str_fn *fn = o->cb; |
b1ec1da6 | 381 | |
f085737f JA |
382 | posval_sort(o, posval); |
383 | ||
5f6ddf1e | 384 | ret = 1; |
b1ec1da6 | 385 | for (i = 0; i < PARSE_MAX_VP; i++) { |
f085737f | 386 | vp = &posval[i]; |
b1ec1da6 | 387 | if (!vp->ival || vp->ival[0] == '\0') |
a3073f4a | 388 | continue; |
ae2ddba4 | 389 | all_skipped = 0; |
808def70 | 390 | if (!strncmp(vp->ival, ptr, opt_len(ptr))) { |
b1ec1da6 | 391 | ret = 0; |
5f6ddf1e JA |
392 | if (o->roff1) { |
393 | if (vp->or) | |
394 | *(unsigned int *) o->roff1 |= vp->oval; | |
395 | else | |
396 | *(unsigned int *) o->roff1 = vp->oval; | |
397 | } else { | |
02c6aad5 | 398 | if (!o->off1) |
5f6ddf1e JA |
399 | continue; |
400 | val_store(ilp, vp->oval, o->off1, vp->or, data); | |
02c6aad5 | 401 | } |
5f6ddf1e | 402 | continue; |
b1ec1da6 JA |
403 | } |
404 | } | |
cb2c86fd | 405 | |
ae2ddba4 | 406 | if (ret && !all_skipped) |
b1ec1da6 JA |
407 | show_option_values(o); |
408 | else if (fn) | |
409 | ret = fn(data, ptr); | |
e1f36503 JA |
410 | break; |
411 | } | |
e42b01eb JA |
412 | case FIO_OPT_STR_VAL_TIME: |
413 | is_time = 1; | |
1a1137d9 | 414 | case FIO_OPT_INT: |
e42b01eb JA |
415 | case FIO_OPT_STR_VAL: { |
416 | fio_opt_str_val_fn *fn = o->cb; | |
417 | ||
418 | if (is_time) | |
419 | ret = check_str_time(ptr, &ull); | |
420 | else | |
6925dd35 | 421 | ret = check_str_bytes(ptr, &ull, data); |
e1f36503 JA |
422 | |
423 | if (ret) | |
424 | break; | |
425 | ||
db8e0165 | 426 | if (o->maxval && ull > o->maxval) { |
28d7c363 | 427 | log_err("max value out of range: %lld" |
5ec10eaa | 428 | " (%d max)\n", ull, o->maxval); |
db8e0165 JA |
429 | return 1; |
430 | } | |
431 | if (o->minval && ull < o->minval) { | |
28d7c363 | 432 | log_err("min value out of range: %lld" |
5ec10eaa | 433 | " (%d min)\n", ull, o->minval); |
db8e0165 JA |
434 | return 1; |
435 | } | |
e1f36503 JA |
436 | |
437 | if (fn) | |
438 | ret = fn(data, &ull); | |
439 | else { | |
e01b22b8 | 440 | if (o->type == FIO_OPT_INT) { |
02c6aad5 JA |
441 | if (first) { |
442 | if (o->roff1) | |
7758d4f0 | 443 | *(unsigned int *) o->roff1 = ull; |
02c6aad5 | 444 | else |
5f6ddf1e | 445 | val_store(ilp, ull, o->off1, 0, data); |
02c6aad5 JA |
446 | } |
447 | if (!more) { | |
448 | if (o->roff2) | |
7758d4f0 | 449 | *(unsigned int *) o->roff2 = ull; |
02c6aad5 | 450 | else if (o->off2) |
5f6ddf1e | 451 | val_store(ilp, ull, o->off2, 0, data); |
02c6aad5 | 452 | } |
75e6f36f | 453 | } else { |
02c6aad5 JA |
454 | if (first) { |
455 | if (o->roff1) | |
456 | *(unsigned long long *) o->roff1 = ull; | |
457 | else | |
5f6ddf1e | 458 | val_store(ullp, ull, o->off1, 0, data); |
02c6aad5 JA |
459 | } |
460 | if (!more) { | |
461 | if (o->roff2) | |
462 | *(unsigned long long *) o->roff2 = ull; | |
463 | else if (o->off2) | |
5f6ddf1e | 464 | val_store(ullp, ull, o->off2, 0, data); |
02c6aad5 | 465 | } |
75e6f36f | 466 | } |
e1f36503 JA |
467 | } |
468 | break; | |
469 | } | |
83349190 YH |
470 | case FIO_OPT_FLOAT_LIST: { |
471 | ||
472 | if (first) { | |
473 | ul2 = 1; | |
474 | ilp = td_var(data, o->off2); | |
475 | *ilp = ul2; | |
476 | } | |
477 | if (curr >= o->maxlen) { | |
28d7c363 | 478 | log_err("the list exceeding max length %d\n", |
83349190 YH |
479 | o->maxlen); |
480 | return 1; | |
481 | } | |
482 | if(!str_to_float(ptr, &uf)){ | |
28d7c363 | 483 | log_err("not a floating point value: %s\n", ptr); |
83349190 YH |
484 | return 1; |
485 | } | |
486 | if (!isnan(o->maxfp) && uf > o->maxfp) { | |
28d7c363 | 487 | log_err("value out of range: %f" |
83349190 YH |
488 | " (range max: %f)\n", uf, o->maxfp); |
489 | return 1; | |
490 | } | |
491 | if (!isnan(o->minfp) && uf < o->minfp) { | |
28d7c363 | 492 | log_err("value out of range: %f" |
83349190 YH |
493 | " (range min: %f)\n", uf, o->minfp); |
494 | return 1; | |
495 | } | |
496 | ||
497 | flp = td_var(data, o->off1); | |
498 | flp[curr] = uf; | |
499 | ||
500 | break; | |
501 | } | |
af52b345 JA |
502 | case FIO_OPT_STR_STORE: { |
503 | fio_opt_str_fn *fn = o->cb; | |
504 | ||
184b4098 SL |
505 | if (o->roff1 || o->off1) { |
506 | if (o->roff1) | |
507 | cp = (char **) o->roff1; | |
508 | else if (o->off1) | |
509 | cp = td_var(data, o->off1); | |
510 | ||
511 | *cp = strdup(ptr); | |
512 | } else { | |
513 | cp = NULL; | |
1c964ce5 | 514 | } |
02c6aad5 | 515 | |
184b4098 SL |
516 | if (fn) |
517 | ret = fn(data, ptr); | |
518 | else if (o->posval[0].ival) { | |
519 | posval_sort(o, posval); | |
520 | ||
521 | ret = 1; | |
522 | for (i = 0; i < PARSE_MAX_VP; i++) { | |
523 | vp = &posval[i]; | |
524 | if (!vp->ival || vp->ival[0] == '\0') | |
525 | continue; | |
526 | all_skipped = 0; | |
527 | if (!strncmp(vp->ival, ptr, opt_len(ptr))) { | |
528 | char *rest; | |
529 | ||
530 | ret = 0; | |
531 | if (vp->cb) | |
532 | fn = vp->cb; | |
533 | rest = strstr(*cp ?: ptr, ":"); | |
534 | if (rest) { | |
535 | if (*cp) | |
536 | *rest = '\0'; | |
537 | ptr = rest + 1; | |
538 | } else | |
539 | ptr = NULL; | |
540 | break; | |
541 | } | |
af52b345 JA |
542 | } |
543 | } | |
c44b1ff5 | 544 | |
184b4098 SL |
545 | if (!all_skipped) { |
546 | if (ret && !*cp) | |
547 | show_option_values(o); | |
548 | else if (ret && *cp) | |
549 | ret = 0; | |
550 | else if (fn && ptr) | |
551 | ret = fn(data, ptr); | |
552 | } | |
c44b1ff5 | 553 | |
e1f36503 | 554 | break; |
af52b345 | 555 | } |
e1f36503 | 556 | case FIO_OPT_RANGE: { |
b765a372 | 557 | char tmp[128]; |
e1f36503 JA |
558 | char *p1, *p2; |
559 | ||
0bbab0e7 | 560 | strncpy(tmp, ptr, sizeof(tmp) - 1); |
b765a372 | 561 | |
31d23f47 DE |
562 | /* Handle bsrange with separate read,write values: */ |
563 | p1 = strchr(tmp, ','); | |
564 | if (p1) | |
565 | *p1 = '\0'; | |
566 | ||
b765a372 | 567 | p1 = strchr(tmp, '-'); |
e1f36503 | 568 | if (!p1) { |
0c9baf91 JA |
569 | p1 = strchr(tmp, ':'); |
570 | if (!p1) { | |
571 | ret = 1; | |
572 | break; | |
573 | } | |
e1f36503 JA |
574 | } |
575 | ||
576 | p2 = p1 + 1; | |
577 | *p1 = '\0'; | |
b765a372 | 578 | p1 = tmp; |
e1f36503 JA |
579 | |
580 | ret = 1; | |
d6978a32 JA |
581 | if (!check_range_bytes(p1, &ul1, data) && |
582 | !check_range_bytes(p2, &ul2, data)) { | |
e1f36503 | 583 | ret = 0; |
e1f36503 | 584 | if (ul1 > ul2) { |
f90eff5a JA |
585 | unsigned long foo = ul1; |
586 | ||
587 | ul1 = ul2; | |
588 | ul2 = foo; | |
589 | } | |
590 | ||
591 | if (first) { | |
02c6aad5 | 592 | if (o->roff1) |
7758d4f0 | 593 | *(unsigned int *) o->roff1 = ul1; |
02c6aad5 | 594 | else |
5f6ddf1e | 595 | val_store(ilp, ul1, o->off1, 0, data); |
02c6aad5 | 596 | if (o->roff2) |
7758d4f0 | 597 | *(unsigned int *) o->roff2 = ul2; |
02c6aad5 | 598 | else |
5f6ddf1e | 599 | val_store(ilp, ul2, o->off2, 0, data); |
17abbe89 | 600 | } |
02c6aad5 | 601 | if (o->roff3 && o->roff4) { |
7758d4f0 JA |
602 | *(unsigned int *) o->roff3 = ul1; |
603 | *(unsigned int *) o->roff4 = ul2; | |
02c6aad5 | 604 | } else if (o->off3 && o->off4) { |
5f6ddf1e JA |
605 | val_store(ilp, ul1, o->off3, 0, data); |
606 | val_store(ilp, ul2, o->off4, 0, data); | |
e1f36503 | 607 | } |
17abbe89 JA |
608 | } |
609 | ||
e1f36503 JA |
610 | break; |
611 | } | |
74ba1808 JA |
612 | case FIO_OPT_BOOL: |
613 | case FIO_OPT_STR_SET: { | |
e1f36503 JA |
614 | fio_opt_int_fn *fn = o->cb; |
615 | ||
74ba1808 JA |
616 | if (ptr) |
617 | ret = check_int(ptr, &il); | |
618 | else if (o->type == FIO_OPT_BOOL) | |
619 | ret = 1; | |
620 | else | |
621 | il = 1; | |
622 | ||
e1f36503 JA |
623 | if (ret) |
624 | break; | |
625 | ||
db8e0165 | 626 | if (o->maxval && il > (int) o->maxval) { |
28d7c363 | 627 | log_err("max value out of range: %d (%d max)\n", |
5ec10eaa | 628 | il, o->maxval); |
db8e0165 JA |
629 | return 1; |
630 | } | |
631 | if (o->minval && il < o->minval) { | |
28d7c363 | 632 | log_err("min value out of range: %d (%d min)\n", |
5ec10eaa | 633 | il, o->minval); |
db8e0165 JA |
634 | return 1; |
635 | } | |
e1f36503 | 636 | |
76a43db4 JA |
637 | if (o->neg) |
638 | il = !il; | |
639 | ||
e1f36503 JA |
640 | if (fn) |
641 | ret = fn(data, &il); | |
642 | else { | |
02c6aad5 JA |
643 | if (first) { |
644 | if (o->roff1) | |
645 | *(unsigned int *)o->roff1 = il; | |
646 | else | |
5f6ddf1e | 647 | val_store(ilp, il, o->off1, 0, data); |
02c6aad5 JA |
648 | } |
649 | if (!more) { | |
650 | if (o->roff2) | |
651 | *(unsigned int *) o->roff2 = il; | |
652 | else if (o->off2) | |
5f6ddf1e | 653 | val_store(ilp, il, o->off2, 0, data); |
02c6aad5 | 654 | } |
e1f36503 JA |
655 | } |
656 | break; | |
657 | } | |
15ca150e | 658 | case FIO_OPT_DEPRECATED: |
06b0be6e | 659 | log_info("Option %s is deprecated\n", o->name); |
15ca150e | 660 | break; |
e1f36503 | 661 | default: |
06b0be6e | 662 | log_err("Bad option type %u\n", o->type); |
e1f36503 JA |
663 | ret = 1; |
664 | } | |
cb2c86fd | 665 | |
70a4c0c8 JA |
666 | if (ret) |
667 | return ret; | |
668 | ||
d447a8c2 | 669 | if (o->verify) { |
70a4c0c8 | 670 | ret = o->verify(o, data); |
d447a8c2 | 671 | if (ret) { |
28d7c363 JA |
672 | log_err("Correct format for offending option\n"); |
673 | log_err("%20s: %s\n", o->name, o->help); | |
06b0be6e | 674 | show_option_help(o, 1); |
d447a8c2 JA |
675 | } |
676 | } | |
70a4c0c8 | 677 | |
e1f36503 | 678 | return ret; |
cb2c86fd JA |
679 | } |
680 | ||
7c8f1a5c | 681 | static int handle_option(struct fio_option *o, const char *__ptr, void *data) |
f90eff5a | 682 | { |
b62bdf2c JA |
683 | char *o_ptr, *ptr, *ptr2; |
684 | int ret, done; | |
f90eff5a | 685 | |
7c8f1a5c JA |
686 | dprint(FD_PARSE, "handle_option=%s, ptr=%s\n", o->name, __ptr); |
687 | ||
b62bdf2c | 688 | o_ptr = ptr = NULL; |
7c8f1a5c | 689 | if (__ptr) |
b62bdf2c | 690 | o_ptr = ptr = strdup(__ptr); |
a3d741fa | 691 | |
f90eff5a | 692 | /* |
b62bdf2c JA |
693 | * See if we have another set of parameters, hidden after a comma. |
694 | * Do this before parsing this round, to check if we should | |
787f7e95 | 695 | * copy set 1 options to set 2. |
f90eff5a | 696 | */ |
b62bdf2c JA |
697 | done = 0; |
698 | ret = 1; | |
699 | do { | |
700 | int __ret; | |
701 | ||
702 | ptr2 = NULL; | |
703 | if (ptr && | |
704 | (o->type != FIO_OPT_STR_STORE) && | |
83349190 YH |
705 | (o->type != FIO_OPT_STR) && |
706 | (o->type != FIO_OPT_FLOAT_LIST)) { | |
b62bdf2c JA |
707 | ptr2 = strchr(ptr, ','); |
708 | if (ptr2 && *(ptr2 + 1) == '\0') | |
709 | *ptr2 = '\0'; | |
710 | if (o->type != FIO_OPT_STR_MULTI) { | |
711 | if (!ptr2) | |
712 | ptr2 = strchr(ptr, ':'); | |
713 | if (!ptr2) | |
714 | ptr2 = strchr(ptr, '-'); | |
715 | } | |
83349190 YH |
716 | } else if (ptr && o->type == FIO_OPT_FLOAT_LIST) { |
717 | ptr2 = strchr(ptr, ':'); | |
b62bdf2c | 718 | } |
787f7e95 | 719 | |
b62bdf2c JA |
720 | /* |
721 | * Don't return early if parsing the first option fails - if | |
722 | * we are doing multiple arguments, we can allow the first one | |
723 | * being empty. | |
724 | */ | |
83349190 | 725 | __ret = __handle_option(o, ptr, data, !done, !!ptr2, done); |
b62bdf2c JA |
726 | if (ret) |
727 | ret = __ret; | |
787f7e95 | 728 | |
b62bdf2c JA |
729 | if (!ptr2) |
730 | break; | |
f90eff5a | 731 | |
b62bdf2c JA |
732 | ptr = ptr2 + 1; |
733 | done++; | |
734 | } while (1); | |
787f7e95 | 735 | |
b62bdf2c JA |
736 | if (o_ptr) |
737 | free(o_ptr); | |
738 | return ret; | |
f90eff5a JA |
739 | } |
740 | ||
de890a1e | 741 | static struct fio_option *get_option(char *opt, |
07b3232d | 742 | struct fio_option *options, char **post) |
3b8b7135 JA |
743 | { |
744 | struct fio_option *o; | |
745 | char *ret; | |
746 | ||
747 | ret = strchr(opt, '='); | |
748 | if (ret) { | |
749 | *post = ret; | |
750 | *ret = '\0'; | |
de890a1e | 751 | ret = opt; |
3b8b7135 | 752 | (*post)++; |
43c129b4 | 753 | strip_blank_end(ret); |
07b3232d | 754 | o = find_option(options, ret); |
3b8b7135 | 755 | } else { |
07b3232d | 756 | o = find_option(options, opt); |
3b8b7135 JA |
757 | *post = NULL; |
758 | } | |
759 | ||
760 | return o; | |
761 | } | |
762 | ||
763 | static int opt_cmp(const void *p1, const void *p2) | |
764 | { | |
de890a1e SL |
765 | struct fio_option *o; |
766 | char *s, *foo; | |
8cdabc1d | 767 | int prio1, prio2; |
3b8b7135 | 768 | |
8cdabc1d | 769 | prio1 = prio2 = 0; |
3b8b7135 | 770 | |
de890a1e SL |
771 | if (*(char **)p1) { |
772 | s = strdup(*((char **) p1)); | |
773 | o = get_option(s, fio_options, &foo); | |
774 | if (o) | |
775 | prio1 = o->prio; | |
776 | free(s); | |
777 | } | |
778 | if (*(char **)p2) { | |
779 | s = strdup(*((char **) p2)); | |
780 | o = get_option(s, fio_options, &foo); | |
781 | if (o) | |
782 | prio2 = o->prio; | |
783 | free(s); | |
784 | } | |
785 | ||
8cdabc1d | 786 | return prio2 - prio1; |
3b8b7135 JA |
787 | } |
788 | ||
789 | void sort_options(char **opts, struct fio_option *options, int num_opts) | |
790 | { | |
791 | fio_options = options; | |
792 | qsort(opts, num_opts, sizeof(char *), opt_cmp); | |
793 | fio_options = NULL; | |
794 | } | |
795 | ||
b4692828 | 796 | int parse_cmd_option(const char *opt, const char *val, |
07b3232d | 797 | struct fio_option *options, void *data) |
b4692828 JA |
798 | { |
799 | struct fio_option *o; | |
800 | ||
07b3232d | 801 | o = find_option(options, opt); |
b4692828 | 802 | if (!o) { |
06b0be6e | 803 | log_err("Bad option <%s>\n", opt); |
b4692828 JA |
804 | return 1; |
805 | } | |
806 | ||
b1508cf9 JA |
807 | if (!handle_option(o, val, data)) |
808 | return 0; | |
809 | ||
06b0be6e | 810 | log_err("fio: failed parsing %s=%s\n", opt, val); |
b1508cf9 | 811 | return 1; |
b4692828 JA |
812 | } |
813 | ||
de890a1e SL |
814 | int parse_option(char *opt, const char *input, |
815 | struct fio_option *options, struct fio_option **o, void *data) | |
cb2c86fd | 816 | { |
d0c814ec | 817 | char *post; |
e1f36503 | 818 | |
d0c814ec SL |
819 | if (!opt) { |
820 | log_err("fio: failed parsing %s\n", input); | |
de890a1e | 821 | *o = NULL; |
38789b58 | 822 | return 1; |
d0c814ec | 823 | } |
e1f36503 | 824 | |
de890a1e SL |
825 | *o = get_option(opt, options, &post); |
826 | if (!*o) { | |
827 | if (post) { | |
828 | int len = strlen(opt); | |
829 | if (opt + len + 1 != post) | |
830 | memmove(opt + len + 1, post, strlen(post)); | |
831 | opt[len] = '='; | |
832 | } | |
e1f36503 JA |
833 | return 1; |
834 | } | |
835 | ||
de890a1e | 836 | if (!handle_option(*o, post, data)) { |
b1508cf9 | 837 | return 0; |
0401bca6 | 838 | } |
b1508cf9 | 839 | |
d0c814ec | 840 | log_err("fio: failed parsing %s\n", input); |
b1508cf9 | 841 | return 1; |
e1f36503 | 842 | } |
fd28ca49 | 843 | |
0e9f7fac JA |
844 | /* |
845 | * Option match, levenshtein distance. Handy for not quite remembering what | |
846 | * the option name is. | |
847 | */ | |
848 | static int string_distance(const char *s1, const char *s2) | |
849 | { | |
850 | unsigned int s1_len = strlen(s1); | |
851 | unsigned int s2_len = strlen(s2); | |
852 | unsigned int *p, *q, *r; | |
853 | unsigned int i, j; | |
854 | ||
855 | p = malloc(sizeof(unsigned int) * (s2_len + 1)); | |
856 | q = malloc(sizeof(unsigned int) * (s2_len + 1)); | |
857 | ||
858 | p[0] = 0; | |
859 | for (i = 1; i <= s2_len; i++) | |
860 | p[i] = p[i - 1] + 1; | |
861 | ||
862 | for (i = 1; i <= s1_len; i++) { | |
863 | q[0] = p[0] + 1; | |
864 | for (j = 1; j <= s2_len; j++) { | |
865 | unsigned int sub = p[j - 1]; | |
866 | ||
867 | if (s1[i - 1] != s2[j - 1]) | |
868 | sub++; | |
869 | ||
870 | q[j] = min(p[j] + 1, min(q[j - 1] + 1, sub)); | |
871 | } | |
872 | r = p; | |
873 | p = q; | |
874 | q = r; | |
875 | } | |
876 | ||
877 | i = p[s2_len]; | |
878 | free(p); | |
879 | free(q); | |
880 | return i; | |
881 | } | |
882 | ||
afdf9352 JA |
883 | static struct fio_option *find_child(struct fio_option *options, |
884 | struct fio_option *o) | |
885 | { | |
886 | struct fio_option *__o; | |
887 | ||
fdf28744 JA |
888 | for (__o = options + 1; __o->name; __o++) |
889 | if (__o->parent && !strcmp(__o->parent, o->name)) | |
afdf9352 JA |
890 | return __o; |
891 | ||
892 | return NULL; | |
893 | } | |
894 | ||
323d9113 JA |
895 | static void __print_option(struct fio_option *o, struct fio_option *org, |
896 | int level) | |
afdf9352 JA |
897 | { |
898 | char name[256], *p; | |
323d9113 | 899 | int depth; |
afdf9352 JA |
900 | |
901 | if (!o) | |
902 | return; | |
ef9aff52 JA |
903 | if (!org) |
904 | org = o; | |
5ec10eaa | 905 | |
afdf9352 | 906 | p = name; |
323d9113 JA |
907 | depth = level; |
908 | while (depth--) | |
909 | p += sprintf(p, "%s", " "); | |
afdf9352 JA |
910 | |
911 | sprintf(p, "%s", o->name); | |
912 | ||
28d7c363 | 913 | log_info("%-24s: %s\n", name, o->help); |
323d9113 JA |
914 | } |
915 | ||
916 | static void print_option(struct fio_option *o) | |
917 | { | |
918 | struct fio_option *parent; | |
919 | struct fio_option *__o; | |
920 | unsigned int printed; | |
921 | unsigned int level; | |
922 | ||
923 | __print_option(o, NULL, 0); | |
924 | parent = o; | |
925 | level = 0; | |
926 | do { | |
927 | level++; | |
928 | printed = 0; | |
929 | ||
930 | while ((__o = find_child(o, parent)) != NULL) { | |
931 | __print_option(__o, o, level); | |
932 | o = __o; | |
933 | printed++; | |
934 | } | |
935 | ||
936 | parent = o; | |
937 | } while (printed); | |
afdf9352 JA |
938 | } |
939 | ||
07b3232d | 940 | int show_cmd_help(struct fio_option *options, const char *name) |
0e9f7fac JA |
941 | { |
942 | struct fio_option *o, *closest; | |
d091d099 | 943 | unsigned int best_dist = -1U; |
29fc6afe | 944 | int found = 0; |
320beefe JA |
945 | int show_all = 0; |
946 | ||
947 | if (!name || !strcmp(name, "all")) | |
948 | show_all = 1; | |
fd28ca49 | 949 | |
0e9f7fac JA |
950 | closest = NULL; |
951 | best_dist = -1; | |
4945ba12 | 952 | for (o = &options[0]; o->name; o++) { |
320beefe JA |
953 | int match = 0; |
954 | ||
15ca150e JA |
955 | if (o->type == FIO_OPT_DEPRECATED) |
956 | continue; | |
07b3232d JA |
957 | if (!exec_profile && o->prof_name) |
958 | continue; | |
15ca150e | 959 | |
0e9f7fac | 960 | if (name) { |
7f9348f8 JA |
961 | if (!strcmp(name, o->name) || |
962 | (o->alias && !strcmp(name, o->alias))) | |
0e9f7fac JA |
963 | match = 1; |
964 | else { | |
965 | unsigned int dist; | |
966 | ||
967 | dist = string_distance(name, o->name); | |
968 | if (dist < best_dist) { | |
969 | best_dist = dist; | |
970 | closest = o; | |
971 | } | |
972 | } | |
973 | } | |
fd28ca49 JA |
974 | |
975 | if (show_all || match) { | |
29fc6afe | 976 | found = 1; |
c167dedc | 977 | if (match) |
28d7c363 | 978 | log_info("%20s: %s\n", o->name, o->help); |
c167dedc | 979 | if (show_all) { |
afdf9352 | 980 | if (!o->parent) |
323d9113 | 981 | print_option(o); |
4945ba12 | 982 | continue; |
c167dedc | 983 | } |
fd28ca49 JA |
984 | } |
985 | ||
70df2f19 JA |
986 | if (!match) |
987 | continue; | |
988 | ||
06b0be6e | 989 | show_option_help(o, 0); |
fd28ca49 JA |
990 | } |
991 | ||
29fc6afe JA |
992 | if (found) |
993 | return 0; | |
fd28ca49 | 994 | |
28d7c363 | 995 | log_err("No such command: %s", name); |
d091d099 JA |
996 | |
997 | /* | |
998 | * Only print an appropriately close option, one where the edit | |
999 | * distance isn't too big. Otherwise we get crazy matches. | |
1000 | */ | |
1001 | if (closest && best_dist < 3) { | |
28d7c363 JA |
1002 | log_info(" - showing closest match\n"); |
1003 | log_info("%20s: %s\n", closest->name, closest->help); | |
06b0be6e | 1004 | show_option_help(closest, 0); |
0e9f7fac | 1005 | } else |
28d7c363 | 1006 | log_info("\n"); |
0e9f7fac | 1007 | |
29fc6afe | 1008 | return 1; |
fd28ca49 | 1009 | } |
ee738499 | 1010 | |
13335ddb JA |
1011 | /* |
1012 | * Handle parsing of default parameters. | |
1013 | */ | |
ee738499 JA |
1014 | void fill_default_options(void *data, struct fio_option *options) |
1015 | { | |
4945ba12 | 1016 | struct fio_option *o; |
ee738499 | 1017 | |
a3d741fa JA |
1018 | dprint(FD_PARSE, "filling default options\n"); |
1019 | ||
4945ba12 | 1020 | for (o = &options[0]; o->name; o++) |
ee738499 JA |
1021 | if (o->def) |
1022 | handle_option(o, o->def, data); | |
ee738499 | 1023 | } |
13335ddb | 1024 | |
9f988e2e JA |
1025 | void option_init(struct fio_option *o) |
1026 | { | |
1027 | if (o->type == FIO_OPT_DEPRECATED) | |
1028 | return; | |
1029 | if (o->type == FIO_OPT_BOOL) { | |
1030 | o->minval = 0; | |
1031 | o->maxval = 1; | |
1032 | } | |
83349190 YH |
1033 | if (o->type == FIO_OPT_FLOAT_LIST) { |
1034 | o->minfp = NAN; | |
1035 | o->maxfp = NAN; | |
1036 | } | |
9f988e2e | 1037 | if (o->type == FIO_OPT_STR_SET && o->def) { |
06b0be6e | 1038 | log_err("Option %s: string set option with" |
9f988e2e JA |
1039 | " default will always be true\n", o->name); |
1040 | } | |
06b0be6e JA |
1041 | if (!o->cb && (!o->off1 && !o->roff1)) |
1042 | log_err("Option %s: neither cb nor offset given\n", o->name); | |
5f6ddf1e JA |
1043 | if (o->type == FIO_OPT_STR || o->type == FIO_OPT_STR_STORE || |
1044 | o->type == FIO_OPT_STR_MULTI) | |
9f988e2e | 1045 | return; |
e2de69da JA |
1046 | if (o->cb && ((o->off1 || o->off2 || o->off3 || o->off4) || |
1047 | (o->roff1 || o->roff2 || o->roff3 || o->roff4))) { | |
06b0be6e | 1048 | log_err("Option %s: both cb and offset given\n", o->name); |
9f988e2e JA |
1049 | } |
1050 | } | |
1051 | ||
13335ddb JA |
1052 | /* |
1053 | * Sanitize the options structure. For now it just sets min/max for bool | |
5b0a8880 | 1054 | * values and whether both callback and offsets are given. |
13335ddb JA |
1055 | */ |
1056 | void options_init(struct fio_option *options) | |
1057 | { | |
4945ba12 | 1058 | struct fio_option *o; |
13335ddb | 1059 | |
a3d741fa JA |
1060 | dprint(FD_PARSE, "init options\n"); |
1061 | ||
9f988e2e JA |
1062 | for (o = &options[0]; o->name; o++) |
1063 | option_init(o); | |
13335ddb | 1064 | } |
7e356b2d JA |
1065 | |
1066 | void options_free(struct fio_option *options, void *data) | |
1067 | { | |
1068 | struct fio_option *o; | |
1069 | char **ptr; | |
1070 | ||
1071 | dprint(FD_PARSE, "free options\n"); | |
1072 | ||
1073 | for (o = &options[0]; o->name; o++) { | |
de890a1e | 1074 | if (o->type != FIO_OPT_STR_STORE || !o->off1) |
7e356b2d JA |
1075 | continue; |
1076 | ||
1077 | ptr = td_var(data, o->off1); | |
1078 | if (*ptr) { | |
1079 | free(*ptr); | |
1080 | *ptr = NULL; | |
1081 | } | |
1082 | } | |
1083 | } |