blob: f54dae625bbbb59387f035cdb08f9fe1768675e1 [file] [log] [blame]
Jens Axboecb2c86f2006-10-26 13:48:34 +02001/*
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>
Aaron Carroll88b5a392008-10-07 11:25:20 +020011#include <stdlib.h>
Yu-ju Hong83349192011-08-13 00:53:44 +020012#include <math.h>
Bruce Cranab9461e2013-02-02 14:31:24 +000013#include <float.h>
Jens Axboecb2c86f2006-10-26 13:48:34 +020014
15#include "parse.h"
Jens Axboea3d741f2008-02-27 18:32:33 +010016#include "debug.h"
Jens Axboe9f988e22010-03-04 10:42:38 +010017#include "options.h"
Jens Axboee25839d2012-11-06 10:49:42 +010018#include "minmax.h"
Vincent Kang Fufd112d32013-02-02 09:28:55 +010019#include "lib/ieee754.h"
Jens Axboecb2c86f2006-10-26 13:48:34 +020020
Jens Axboe9af4a242012-03-16 10:13:49 +010021static struct fio_option *__fio_options;
Jens Axboe3b8b7132008-06-10 19:46:23 +020022
Jens Axboef0857372007-03-19 13:15:23 +010023static int vp_cmp(const void *p1, const void *p2)
24{
25 const struct value_pair *vp1 = p1;
26 const struct value_pair *vp2 = p2;
27
28 return strlen(vp2->ival) - strlen(vp1->ival);
29}
30
Jens Axboece952ab2011-08-31 14:29:22 -060031static void posval_sort(struct fio_option *o, struct value_pair *vpmap)
Jens Axboef0857372007-03-19 13:15:23 +010032{
33 const struct value_pair *vp;
34 int entries;
35
36 memset(vpmap, 0, PARSE_MAX_VP * sizeof(struct value_pair));
37
38 for (entries = 0; entries < PARSE_MAX_VP; entries++) {
39 vp = &o->posval[entries];
40 if (!vp->ival || vp->ival[0] == '\0')
41 break;
42
43 memcpy(&vpmap[entries], vp, sizeof(*vp));
44 }
45
46 qsort(vpmap, entries, sizeof(struct value_pair), vp_cmp);
47}
48
Jens Axboe06b0be62011-10-04 10:31:10 +020049static void show_option_range(struct fio_option *o,
50 int (*logger)(const char *format, ...))
Jens Axboeb1ec1da2007-02-23 10:29:16 +010051{
Jens Axboe3c037bc2013-04-10 11:21:33 +020052 if (o->type == FIO_OPT_FLOAT_LIST) {
Bruce Cranab9461e2013-02-02 14:31:24 +000053 if (o->minfp == DBL_MIN && o->maxfp == DBL_MAX)
Yu-ju Hong83349192011-08-13 00:53:44 +020054 return;
Jens Axboeb1ec1da2007-02-23 10:29:16 +010055
Jens Axboe06b0be62011-10-04 10:31:10 +020056 logger("%20s: min=%f", "range", o->minfp);
Bruce Cranab9461e2013-02-02 14:31:24 +000057 if (o->maxfp != DBL_MAX)
Jens Axboe06b0be62011-10-04 10:31:10 +020058 logger(", max=%f", o->maxfp);
59 logger("\n");
Jens Axboe3c037bc2013-04-10 11:21:33 +020060 } else if (!o->posval[0].ival) {
Yu-ju Hong83349192011-08-13 00:53:44 +020061 if (!o->minval && !o->maxval)
62 return;
63
Jens Axboe06b0be62011-10-04 10:31:10 +020064 logger("%20s: min=%d", "range", o->minval);
Yu-ju Hong83349192011-08-13 00:53:44 +020065 if (o->maxval)
Jens Axboe06b0be62011-10-04 10:31:10 +020066 logger(", max=%d", o->maxval);
67 logger("\n");
Yu-ju Hong83349192011-08-13 00:53:44 +020068 }
Jens Axboeb1ec1da2007-02-23 10:29:16 +010069}
70
71static void show_option_values(struct fio_option *o)
72{
Jens Axboea3073f42010-03-05 10:06:15 +010073 int i;
Jens Axboeb1ec1da2007-02-23 10:29:16 +010074
Jens Axboea3073f42010-03-05 10:06:15 +010075 for (i = 0; i < PARSE_MAX_VP; i++) {
Jens Axboe78372132007-03-14 13:24:07 +010076 const struct value_pair *vp = &o->posval[i];
77
78 if (!vp->ival)
Jens Axboea3073f42010-03-05 10:06:15 +010079 continue;
Jens Axboeb1ec1da2007-02-23 10:29:16 +010080
Jens Axboe06b0be62011-10-04 10:31:10 +020081 log_info("%20s: %-10s", i == 0 ? "valid values" : "", vp->ival);
Jens Axboe78372132007-03-14 13:24:07 +010082 if (vp->help)
Jens Axboe06b0be62011-10-04 10:31:10 +020083 log_info(" %s", vp->help);
84 log_info("\n");
Jens Axboea3073f42010-03-05 10:06:15 +010085 }
Jens Axboeb1ec1da2007-02-23 10:29:16 +010086
87 if (i)
Jens Axboe06b0be62011-10-04 10:31:10 +020088 log_info("\n");
Jens Axboeb1ec1da2007-02-23 10:29:16 +010089}
90
Jens Axboe06b0be62011-10-04 10:31:10 +020091static void show_option_help(struct fio_option *o, int is_err)
Jens Axboed447a8c2009-07-17 22:26:15 +020092{
93 const char *typehelp[] = {
Jens Axboe07b32322010-03-05 09:48:44 +010094 "invalid",
Jens Axboed447a8c2009-07-17 22:26:15 +020095 "string (opt=bla)",
Jens Axboeae3fb6f2010-09-14 13:10:35 +020096 "string (opt=bla)",
Jens Axboed447a8c2009-07-17 22:26:15 +020097 "string with possible k/m/g postfix (opt=4k)",
98 "string with time postfix (opt=10s)",
99 "string (opt=bla)",
100 "string with dual range (opt=1k-4k,4k-8k)",
101 "integer value (opt=100)",
102 "boolean value (opt=1)",
Yu-ju Hong83349192011-08-13 00:53:44 +0200103 "list of floating point values separated by ':' (opt=5.9:7.8)",
Jens Axboed447a8c2009-07-17 22:26:15 +0200104 "no argument (opt)",
Jens Axboe07b32322010-03-05 09:48:44 +0100105 "deprecated",
Jens Axboed447a8c2009-07-17 22:26:15 +0200106 };
Jens Axboe06b0be62011-10-04 10:31:10 +0200107 int (*logger)(const char *format, ...);
108
109 if (is_err)
110 logger = log_err;
111 else
112 logger = log_info;
Jens Axboed447a8c2009-07-17 22:26:15 +0200113
114 if (o->alias)
Jens Axboe06b0be62011-10-04 10:31:10 +0200115 logger("%20s: %s\n", "alias", o->alias);
Jens Axboed447a8c2009-07-17 22:26:15 +0200116
Jens Axboe06b0be62011-10-04 10:31:10 +0200117 logger("%20s: %s\n", "type", typehelp[o->type]);
118 logger("%20s: %s\n", "default", o->def ? o->def : "no default");
Jens Axboe07b32322010-03-05 09:48:44 +0100119 if (o->prof_name)
Jens Axboe06b0be62011-10-04 10:31:10 +0200120 logger("%20s: only for profile '%s'\n", "valid", o->prof_name);
121 show_option_range(o, logger);
Jens Axboed447a8c2009-07-17 22:26:15 +0200122 show_option_values(o);
123}
124
Jens Axboecb2c86f2006-10-26 13:48:34 +0200125static unsigned long get_mult_time(char c)
126{
127 switch (c) {
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100128 case 'm':
129 case 'M':
130 return 60;
131 case 'h':
132 case 'H':
133 return 60 * 60;
134 case 'd':
135 case 'D':
136 return 24 * 60 * 60;
137 default:
138 return 1;
Jens Axboecb2c86f2006-10-26 13:48:34 +0200139 }
140}
141
Jens Axboea03fb652013-03-29 12:20:51 -0600142static int is_separator(char c)
143{
144 switch (c) {
145 case ':':
146 case '-':
147 case ',':
148 case '/':
149 return 1;
150 default:
151 return 0;
152 }
153}
154
Jens Axboe7bb59102011-07-12 19:47:03 +0200155static unsigned long long __get_mult_bytes(const char *p, void *data,
156 int *percent)
Jens Axboecb2c86f2006-10-26 13:48:34 +0200157{
Jens Axboed6978a32009-07-18 21:04:09 +0200158 unsigned int kb_base = fio_get_kb_base(data);
Jens Axboea639f0b2009-07-18 08:25:35 +0200159 unsigned long long ret = 1;
Jens Axboe57fc29f2010-06-23 22:24:07 +0200160 unsigned int i, pow = 0, mult = kb_base;
161 char *c;
Jens Axboea639f0b2009-07-18 08:25:35 +0200162
Jens Axboe57fc29f2010-06-23 22:24:07 +0200163 if (!p)
164 return 1;
Jens Axboea639f0b2009-07-18 08:25:35 +0200165
Jens Axboe57fc29f2010-06-23 22:24:07 +0200166 c = strdup(p);
167
Jens Axboea03fb652013-03-29 12:20:51 -0600168 for (i = 0; i < strlen(c); i++) {
Jens Axboe57fc29f2010-06-23 22:24:07 +0200169 c[i] = tolower(c[i]);
Jens Axboea03fb652013-03-29 12:20:51 -0600170 if (is_separator(c[i])) {
171 c[i] = '\0';
172 break;
173 }
174 }
Jens Axboe57fc29f2010-06-23 22:24:07 +0200175
Jens Axboea04f1582012-03-07 10:53:29 +0100176 if (!strncmp("pib", c, 3)) {
Jens Axboe57fc29f2010-06-23 22:24:07 +0200177 pow = 5;
178 mult = 1000;
Jens Axboea04f1582012-03-07 10:53:29 +0100179 } else if (!strncmp("tib", c, 3)) {
Jens Axboe57fc29f2010-06-23 22:24:07 +0200180 pow = 4;
181 mult = 1000;
Jens Axboea04f1582012-03-07 10:53:29 +0100182 } else if (!strncmp("gib", c, 3)) {
Jens Axboe57fc29f2010-06-23 22:24:07 +0200183 pow = 3;
184 mult = 1000;
Jens Axboea04f1582012-03-07 10:53:29 +0100185 } else if (!strncmp("mib", c, 3)) {
Jens Axboe57fc29f2010-06-23 22:24:07 +0200186 pow = 2;
187 mult = 1000;
Jens Axboea04f1582012-03-07 10:53:29 +0100188 } else if (!strncmp("kib", c, 3)) {
Jens Axboe57fc29f2010-06-23 22:24:07 +0200189 pow = 1;
190 mult = 1000;
Jens Axboea04f1582012-03-07 10:53:29 +0100191 } else if (!strncmp("p", c, 1) || !strncmp("pb", c, 2))
Jens Axboe57fc29f2010-06-23 22:24:07 +0200192 pow = 5;
Jens Axboea04f1582012-03-07 10:53:29 +0100193 else if (!strncmp("t", c, 1) || !strncmp("tb", c, 2))
Jens Axboe57fc29f2010-06-23 22:24:07 +0200194 pow = 4;
Jens Axboea04f1582012-03-07 10:53:29 +0100195 else if (!strncmp("g", c, 1) || !strncmp("gb", c, 2))
Jens Axboe57fc29f2010-06-23 22:24:07 +0200196 pow = 3;
Jens Axboea04f1582012-03-07 10:53:29 +0100197 else if (!strncmp("m", c, 1) || !strncmp("mb", c, 2))
Jens Axboe57fc29f2010-06-23 22:24:07 +0200198 pow = 2;
Jens Axboea04f1582012-03-07 10:53:29 +0100199 else if (!strncmp("k", c, 1) || !strncmp("kb", c, 2))
Jens Axboe57fc29f2010-06-23 22:24:07 +0200200 pow = 1;
Jens Axboea04f1582012-03-07 10:53:29 +0100201 else if (!strncmp("%", c, 1)) {
Jens Axboe7bb59102011-07-12 19:47:03 +0200202 *percent = 1;
Jens Axboee721c572012-02-09 20:55:29 +0100203 free(c);
Jens Axboe7bb59102011-07-12 19:47:03 +0200204 return ret;
205 }
Jens Axboe57fc29f2010-06-23 22:24:07 +0200206
207 while (pow--)
208 ret *= (unsigned long long) mult;
209
210 free(c);
Jens Axboea639f0b2009-07-18 08:25:35 +0200211 return ret;
Jens Axboecb2c86f2006-10-26 13:48:34 +0200212}
213
Jens Axboe7bb59102011-07-12 19:47:03 +0200214static unsigned long long get_mult_bytes(const char *str, int len, void *data,
Jens Axboe6925dd32011-09-07 22:10:11 +0200215 int *percent)
Jens Axboe57fc29f2010-06-23 22:24:07 +0200216{
Jens Axboe55ed9632011-03-27 20:55:09 +0200217 const char *p = str;
Jens Axboeba4ddd62011-09-07 22:11:00 +0200218 int digit_seen = 0;
Jens Axboe57fc29f2010-06-23 22:24:07 +0200219
Jens Axboe1d1c1872010-07-29 10:50:05 +0200220 if (len < 2)
Jens Axboe7bb59102011-07-12 19:47:03 +0200221 return __get_mult_bytes(str, data, percent);
Jens Axboe1d1c1872010-07-29 10:50:05 +0200222
Steven Langd0c814e2011-10-28 08:37:13 +0200223 /*
224 * Go forward until we hit a non-digit, or +/- sign
225 */
Jens Axboe55ed9632011-03-27 20:55:09 +0200226 while ((p - str) <= len) {
Jens Axboeba4ddd62011-09-07 22:11:00 +0200227 if (!isdigit((int) *p) &&
228 (((*p != '+') && (*p != '-')) || digit_seen))
Jens Axboe55ed9632011-03-27 20:55:09 +0200229 break;
Jens Axboe3c703d12011-09-21 09:27:24 +0200230 digit_seen |= isdigit((int) *p);
Jens Axboe55ed9632011-03-27 20:55:09 +0200231 p++;
232 }
233
Jens Axboe7bb59102011-07-12 19:47:03 +0200234 if (!isalpha((int) *p) && (*p != '%'))
Jens Axboe57fc29f2010-06-23 22:24:07 +0200235 p = NULL;
236
Jens Axboe7bb59102011-07-12 19:47:03 +0200237 return __get_mult_bytes(p, data, percent);
Jens Axboe57fc29f2010-06-23 22:24:07 +0200238}
239
Jens Axboecb2c86f2006-10-26 13:48:34 +0200240/*
Yu-ju Hong83349192011-08-13 00:53:44 +0200241 * Convert string into a floating number. Return 1 for success and 0 otherwise.
242 */
Jens Axboee25839d2012-11-06 10:49:42 +0100243int str_to_float(const char *str, double *val)
Yu-ju Hong83349192011-08-13 00:53:44 +0200244{
245 return (1 == sscanf(str, "%lf", val));
246}
247
248/*
Jens Axboee1f36502006-10-27 10:54:08 +0200249 * convert string into decimal value, noting any size suffix
Jens Axboecb2c86f2006-10-26 13:48:34 +0200250 */
Jens Axboe6925dd32011-09-07 22:10:11 +0200251int str_to_decimal(const char *str, long long *val, int kilo, void *data)
Jens Axboecb2c86f2006-10-26 13:48:34 +0200252{
Jens Axboeb347f9d2009-03-09 14:15:21 +0100253 int len, base;
Jens Axboecb2c86f2006-10-26 13:48:34 +0200254
Jens Axboecb2c86f2006-10-26 13:48:34 +0200255 len = strlen(str);
Jens Axboef90eff52006-11-06 11:08:21 +0100256 if (!len)
257 return 1;
Jens Axboecb2c86f2006-10-26 13:48:34 +0200258
Jens Axboeb347f9d2009-03-09 14:15:21 +0100259 if (strstr(str, "0x") || strstr(str, "0X"))
260 base = 16;
261 else
262 base = 10;
263
264 *val = strtoll(str, NULL, base);
Jens Axboecda866c2007-01-10 16:02:32 +0100265 if (*val == LONG_MAX && errno == ERANGE)
Jens Axboecb2c86f2006-10-26 13:48:34 +0200266 return 1;
267
Jens Axboe7bb59102011-07-12 19:47:03 +0200268 if (kilo) {
269 unsigned long long mult;
270 int perc = 0;
271
Jens Axboe6925dd32011-09-07 22:10:11 +0200272 mult = get_mult_bytes(str, len, data, &perc);
Jens Axboe7bb59102011-07-12 19:47:03 +0200273 if (perc)
274 *val = -1ULL - *val;
275 else
276 *val *= mult;
277 } else
Jens Axboecb2c86f2006-10-26 13:48:34 +0200278 *val *= get_mult_time(str[len - 1]);
Jens Axboe787f7e92006-11-06 13:26:29 +0100279
Jens Axboecb2c86f2006-10-26 13:48:34 +0200280 return 0;
281}
282
Jens Axboe9af4a242012-03-16 10:13:49 +0100283int check_str_bytes(const char *p, long long *val, void *data)
Jens Axboecb2c86f2006-10-26 13:48:34 +0200284{
Jens Axboe6925dd32011-09-07 22:10:11 +0200285 return str_to_decimal(p, val, 1, data);
Jens Axboecb2c86f2006-10-26 13:48:34 +0200286}
287
Jens Axboe06464902013-04-24 20:38:54 -0600288int check_str_time(const char *p, long long *val)
Jens Axboecb2c86f2006-10-26 13:48:34 +0200289{
Jens Axboe6925dd32011-09-07 22:10:11 +0200290 return str_to_decimal(p, val, 0, NULL);
Jens Axboecb2c86f2006-10-26 13:48:34 +0200291}
292
293void strip_blank_front(char **p)
294{
295 char *s = *p;
296
Jens Axboe4c8e9642011-10-15 14:37:38 +0200297 if (!strlen(s))
298 return;
Jens Axboe76cd9372011-07-08 21:14:57 +0200299 while (isspace((int) *s))
Jens Axboecb2c86f2006-10-26 13:48:34 +0200300 s++;
Jens Axboe4d651da2007-03-28 19:34:53 +0200301
302 *p = s;
Jens Axboecb2c86f2006-10-26 13:48:34 +0200303}
304
305void strip_blank_end(char *p)
306{
Jens Axboe853ee7f2009-03-06 20:29:29 +0100307 char *start = p, *s;
Jens Axboecb2c86f2006-10-26 13:48:34 +0200308
Jens Axboe4c8e9642011-10-15 14:37:38 +0200309 if (!strlen(p))
310 return;
311
Jens Axboe523bfad2007-04-04 11:04:06 +0200312 s = strchr(p, ';');
313 if (s)
314 *s = '\0';
315 s = strchr(p, '#');
316 if (s)
317 *s = '\0';
318 if (s)
319 p = s;
320
Jens Axboe7f7e6e52007-07-19 14:50:05 +0200321 s = p + strlen(p);
Jens Axboe76cd9372011-07-08 21:14:57 +0200322 while ((isspace((int) *s) || iscntrl((int) *s)) && (s > start))
Jens Axboecb2c86f2006-10-26 13:48:34 +0200323 s--;
324
325 *(s + 1) = '\0';
326}
327
Jens Axboed6978a32009-07-18 21:04:09 +0200328static int check_range_bytes(const char *str, long *val, void *data)
Jens Axboecb2c86f2006-10-26 13:48:34 +0200329{
Jens Axboe57fc29f2010-06-23 22:24:07 +0200330 long long __val;
Jens Axboecb2c86f2006-10-26 13:48:34 +0200331
Jens Axboe6925dd32011-09-07 22:10:11 +0200332 if (!str_to_decimal(str, &__val, 1, data)) {
Jens Axboe57fc29f2010-06-23 22:24:07 +0200333 *val = __val;
Jens Axboecb2c86f2006-10-26 13:48:34 +0200334 return 0;
335 }
336
Jens Axboecb2c86f2006-10-26 13:48:34 +0200337 return 1;
338}
339
Jens Axboe63f29372007-01-10 13:20:09 +0100340static int check_int(const char *p, int *val)
Jens Axboecb2c86f2006-10-26 13:48:34 +0200341{
Jens Axboe787f7e92006-11-06 13:26:29 +0100342 if (!strlen(p))
343 return 1;
Jens Axboed78ee462007-08-10 14:03:20 +0200344 if (strstr(p, "0x") || strstr(p, "0X")) {
Jens Axboea61bdfd2007-07-30 09:07:04 +0200345 if (sscanf(p, "%x", val) == 1)
346 return 0;
347 } else {
348 if (sscanf(p, "%u", val) == 1)
349 return 0;
350 }
Jens Axboecb2c86f2006-10-26 13:48:34 +0200351
352 return 1;
353}
354
Jens Axboe808def72010-07-14 16:27:02 -0600355static int opt_len(const char *str)
356{
357 char *postfix;
358
359 postfix = strchr(str, ':');
360 if (!postfix)
361 return strlen(str);
362
363 return (int)(postfix - str);
364}
365
Jens Axboe119cd932012-12-06 17:34:57 +0100366static int str_match_len(const struct value_pair *vp, const char *str)
367{
368 return max(strlen(vp->ival), opt_len(str));
369}
370
Jens Axboe5f6ddf12010-03-09 20:40:44 +0100371#define val_store(ptr, val, off, or, data) \
Jens Axboe17abbe82006-11-06 11:23:10 +0100372 do { \
373 ptr = td_var((data), (off)); \
Jens Axboe5f6ddf12010-03-09 20:40:44 +0100374 if ((or)) \
375 *ptr |= (val); \
376 else \
377 *ptr = (val); \
Jens Axboe17abbe82006-11-06 11:23:10 +0100378 } while (0)
379
Jens Axboef90eff52006-11-06 11:08:21 +0100380static int __handle_option(struct fio_option *o, const char *ptr, void *data,
Yu-ju Hong83349192011-08-13 00:53:44 +0200381 int first, int more, int curr)
Jens Axboee1f36502006-10-27 10:54:08 +0200382{
Jens Axboe63f29372007-01-10 13:20:09 +0100383 int il, *ilp;
Vincent Kang Fufd112d32013-02-02 09:28:55 +0100384 fio_fp64_t *flp;
Jens Axboe63f29372007-01-10 13:20:09 +0100385 long long ull, *ullp;
386 long ul1, ul2;
Yu-ju Hong83349192011-08-13 00:53:44 +0200387 double uf;
Jens Axboebfe1d592012-11-29 21:33:03 +0100388 char **cp = NULL;
Jens Axboee42b01e2011-05-05 12:05:10 -0600389 int ret = 0, is_time = 0;
Jens Axboec44b1ff2011-08-30 20:43:53 -0600390 const struct value_pair *vp;
391 struct value_pair posval[PARSE_MAX_VP];
392 int i, all_skipped = 1;
Jens Axboee1f36502006-10-27 10:54:08 +0200393
Jens Axboea3d741f2008-02-27 18:32:33 +0100394 dprint(FD_PARSE, "__handle_option=%s, type=%d, ptr=%s\n", o->name,
395 o->type, ptr);
396
Jens Axboee3cedca2008-11-19 19:57:52 +0100397 if (!ptr && o->type != FIO_OPT_STR_SET && o->type != FIO_OPT_STR) {
Jens Axboe28d7c362011-10-05 20:30:24 +0200398 log_err("Option %s requires an argument\n", o->name);
Jens Axboe08e26e32006-11-21 13:15:10 +0100399 return 1;
400 }
401
Jens Axboee1f36502006-10-27 10:54:08 +0200402 switch (o->type) {
Jens Axboe5f6ddf12010-03-09 20:40:44 +0100403 case FIO_OPT_STR:
404 case FIO_OPT_STR_MULTI: {
Jens Axboee1f36502006-10-27 10:54:08 +0200405 fio_opt_str_fn *fn = o->cb;
406
Jens Axboef0857372007-03-19 13:15:23 +0100407 posval_sort(o, posval);
408
Jens Axboe5f6ddf12010-03-09 20:40:44 +0100409 ret = 1;
Jens Axboeb1ec1da2007-02-23 10:29:16 +0100410 for (i = 0; i < PARSE_MAX_VP; i++) {
Jens Axboef0857372007-03-19 13:15:23 +0100411 vp = &posval[i];
Jens Axboeb1ec1da2007-02-23 10:29:16 +0100412 if (!vp->ival || vp->ival[0] == '\0')
Jens Axboea3073f42010-03-05 10:06:15 +0100413 continue;
Jens Axboeae2ddba2010-03-10 12:49:03 +0100414 all_skipped = 0;
Jens Axboe119cd932012-12-06 17:34:57 +0100415 if (!strncmp(vp->ival, ptr, str_match_len(vp, ptr))) {
Jens Axboeb1ec1da2007-02-23 10:29:16 +0100416 ret = 0;
Jens Axboe5f6ddf12010-03-09 20:40:44 +0100417 if (o->roff1) {
418 if (vp->or)
419 *(unsigned int *) o->roff1 |= vp->oval;
420 else
421 *(unsigned int *) o->roff1 = vp->oval;
422 } else {
Jens Axboe02c6aad2010-03-04 13:49:11 +0100423 if (!o->off1)
Jens Axboe5f6ddf12010-03-09 20:40:44 +0100424 continue;
425 val_store(ilp, vp->oval, o->off1, vp->or, data);
Jens Axboe02c6aad2010-03-04 13:49:11 +0100426 }
Jens Axboe5f6ddf12010-03-09 20:40:44 +0100427 continue;
Jens Axboeb1ec1da2007-02-23 10:29:16 +0100428 }
429 }
430
Jens Axboeae2ddba2010-03-10 12:49:03 +0100431 if (ret && !all_skipped)
Jens Axboeb1ec1da2007-02-23 10:29:16 +0100432 show_option_values(o);
433 else if (fn)
434 ret = fn(data, ptr);
Jens Axboee1f36502006-10-27 10:54:08 +0200435 break;
436 }
Jens Axboee42b01e2011-05-05 12:05:10 -0600437 case FIO_OPT_STR_VAL_TIME:
438 is_time = 1;
Jens Axboef7fa2652009-03-09 14:20:20 +0100439 case FIO_OPT_INT:
Jens Axboee42b01e2011-05-05 12:05:10 -0600440 case FIO_OPT_STR_VAL: {
441 fio_opt_str_val_fn *fn = o->cb;
Shaohua Li6eaf09d2012-09-14 08:49:43 +0200442 char tmp[128], *p;
443
444 strncpy(tmp, ptr, sizeof(tmp) - 1);
445 p = strchr(tmp, ',');
446 if (p)
447 *p = '\0';
Jens Axboee1f36502006-10-27 10:54:08 +0200448
Jens Axboee42b01e2011-05-05 12:05:10 -0600449 if (is_time)
Shaohua Li6eaf09d2012-09-14 08:49:43 +0200450 ret = check_str_time(tmp, &ull);
Jens Axboee42b01e2011-05-05 12:05:10 -0600451 else
Shaohua Li6eaf09d2012-09-14 08:49:43 +0200452 ret = check_str_bytes(tmp, &ull, data);
Jens Axboee42b01e2011-05-05 12:05:10 -0600453
Jens Axboeae3fcb52013-04-25 10:06:32 -0600454 dprint(FD_PARSE, " ret=%d, out=%llu\n", ret, ull);
455
Jens Axboee1f36502006-10-27 10:54:08 +0200456 if (ret)
457 break;
458
Jens Axboedb8e0162007-01-10 13:41:26 +0100459 if (o->maxval && ull > o->maxval) {
Jens Axboed4fc2f02012-09-24 14:32:26 +0200460 log_err("max value out of range: %llu"
461 " (%u max)\n", ull, o->maxval);
Jens Axboedb8e0162007-01-10 13:41:26 +0100462 return 1;
463 }
464 if (o->minval && ull < o->minval) {
Jens Axboed4fc2f02012-09-24 14:32:26 +0200465 log_err("min value out of range: %llu"
466 " (%u min)\n", ull, o->minval);
Jens Axboedb8e0162007-01-10 13:41:26 +0100467 return 1;
468 }
Jens Axboed926d532013-04-09 21:02:15 +0200469 if (o->posval[0].ival) {
470 posval_sort(o, posval);
471
472 ret = 1;
473 for (i = 0; i < PARSE_MAX_VP; i++) {
474 vp = &posval[i];
475 if (!vp->ival || vp->ival[0] == '\0')
476 continue;
477 if (vp->oval == ull) {
478 ret = 0;
479 break;
480 }
481 }
482 if (ret) {
Jens Axboe128e4ca2013-04-10 11:06:34 +0200483 log_err("fio: value %llu not allowed:\n", ull);
484 show_option_values(o);
Jens Axboed926d532013-04-09 21:02:15 +0200485 return 1;
486 }
487 }
Jens Axboee1f36502006-10-27 10:54:08 +0200488
489 if (fn)
490 ret = fn(data, &ull);
491 else {
Jens Axboee01b22b2009-06-09 15:43:25 +0200492 if (o->type == FIO_OPT_INT) {
Jens Axboe02c6aad2010-03-04 13:49:11 +0100493 if (first) {
494 if (o->roff1)
Jens Axboe7758d4f2010-03-18 16:50:31 +0100495 *(unsigned int *) o->roff1 = ull;
Jens Axboe02c6aad2010-03-04 13:49:11 +0100496 else
Jens Axboe5f6ddf12010-03-09 20:40:44 +0100497 val_store(ilp, ull, o->off1, 0, data);
Jens Axboe02c6aad2010-03-04 13:49:11 +0100498 }
Shaohua Li6eaf09d2012-09-14 08:49:43 +0200499 if (curr == 1) {
Jens Axboe02c6aad2010-03-04 13:49:11 +0100500 if (o->roff2)
Jens Axboe7758d4f2010-03-18 16:50:31 +0100501 *(unsigned int *) o->roff2 = ull;
Jens Axboe02c6aad2010-03-04 13:49:11 +0100502 else if (o->off2)
Jens Axboe5f6ddf12010-03-09 20:40:44 +0100503 val_store(ilp, ull, o->off2, 0, data);
Jens Axboe02c6aad2010-03-04 13:49:11 +0100504 }
Shaohua Li6eaf09d2012-09-14 08:49:43 +0200505 if (curr == 2) {
506 if (o->roff3)
507 *(unsigned int *) o->roff3 = ull;
508 else if (o->off3)
509 val_store(ilp, ull, o->off3, 0, data);
510 }
511 if (!more) {
512 if (curr < 1) {
513 if (o->roff2)
514 *(unsigned int *) o->roff2 = ull;
515 else if (o->off2)
516 val_store(ilp, ull, o->off2, 0, data);
517 }
518 if (curr < 2) {
519 if (o->roff3)
520 *(unsigned int *) o->roff3 = ull;
521 else if (o->off3)
522 val_store(ilp, ull, o->off3, 0, data);
523 }
524 }
Jens Axboe75e6f362006-11-03 08:17:09 +0100525 } else {
Jens Axboe02c6aad2010-03-04 13:49:11 +0100526 if (first) {
527 if (o->roff1)
528 *(unsigned long long *) o->roff1 = ull;
529 else
Jens Axboe5f6ddf12010-03-09 20:40:44 +0100530 val_store(ullp, ull, o->off1, 0, data);
Jens Axboe02c6aad2010-03-04 13:49:11 +0100531 }
532 if (!more) {
533 if (o->roff2)
534 *(unsigned long long *) o->roff2 = ull;
535 else if (o->off2)
Jens Axboe5f6ddf12010-03-09 20:40:44 +0100536 val_store(ullp, ull, o->off2, 0, data);
Jens Axboe02c6aad2010-03-04 13:49:11 +0100537 }
Jens Axboe75e6f362006-11-03 08:17:09 +0100538 }
Jens Axboee1f36502006-10-27 10:54:08 +0200539 }
540 break;
541 }
Yu-ju Hong83349192011-08-13 00:53:44 +0200542 case FIO_OPT_FLOAT_LIST: {
Jens Axboeeef02442013-02-06 08:51:57 +0100543 char *cp2;
544
Vincent Kang Fu435d1952013-02-06 08:43:40 +0100545 if (first) {
546 /*
547 ** Initialize precision to 0 and zero out list
548 ** in case specified list is shorter than default
549 */
550 ul2 = 0;
551 ilp = td_var(data, o->off2);
552 *ilp = ul2;
553
554 flp = td_var(data, o->off1);
555 for(i = 0; i < o->maxlen; i++)
556 flp[i].u.f = 0.0;
557 }
Yu-ju Hong83349192011-08-13 00:53:44 +0200558 if (curr >= o->maxlen) {
Jens Axboe28d7c362011-10-05 20:30:24 +0200559 log_err("the list exceeding max length %d\n",
Yu-ju Hong83349192011-08-13 00:53:44 +0200560 o->maxlen);
561 return 1;
562 }
Jens Axboe3c3ed072012-03-27 09:12:39 +0200563 if (!str_to_float(ptr, &uf)) {
Jens Axboe28d7c362011-10-05 20:30:24 +0200564 log_err("not a floating point value: %s\n", ptr);
Yu-ju Hong83349192011-08-13 00:53:44 +0200565 return 1;
566 }
Jens Axboe26650692013-02-02 09:56:23 +0100567 if (uf > o->maxfp) {
Jens Axboe28d7c362011-10-05 20:30:24 +0200568 log_err("value out of range: %f"
Yu-ju Hong83349192011-08-13 00:53:44 +0200569 " (range max: %f)\n", uf, o->maxfp);
570 return 1;
571 }
Jens Axboe26650692013-02-02 09:56:23 +0100572 if (uf < o->minfp) {
Jens Axboe28d7c362011-10-05 20:30:24 +0200573 log_err("value out of range: %f"
Yu-ju Hong83349192011-08-13 00:53:44 +0200574 " (range min: %f)\n", uf, o->minfp);
575 return 1;
576 }
577
578 flp = td_var(data, o->off1);
Vincent Kang Fufd112d32013-02-02 09:28:55 +0100579 flp[curr].u.f = uf;
Yu-ju Hong83349192011-08-13 00:53:44 +0200580
Jens Axboeae3fcb52013-04-25 10:06:32 -0600581 dprint(FD_PARSE, " out=%f\n", uf);
582
Vincent Kang Fu435d1952013-02-06 08:43:40 +0100583 /*
584 ** Calculate precision for output by counting
585 ** number of digits after period. Find first
586 ** period in entire remaining list each time
587 */
588 cp2 = strchr(ptr, '.');
589 if (cp2 != NULL) {
Jens Axboeeef02442013-02-06 08:51:57 +0100590 int len = 0;
Vincent Kang Fu435d1952013-02-06 08:43:40 +0100591
592 while (*++cp2 != '\0' && *cp2 >= '0' && *cp2 <= '9')
593 len++;
594
595 ilp = td_var(data, o->off2);
596 if (len > *ilp)
597 *ilp = len;
598 }
599
Yu-ju Hong83349192011-08-13 00:53:44 +0200600 break;
601 }
Jens Axboeaf52b342007-03-13 10:07:47 +0100602 case FIO_OPT_STR_STORE: {
603 fio_opt_str_fn *fn = o->cb;
604
Steven Lang184b4092011-11-16 10:33:51 +0100605 if (o->roff1 || o->off1) {
606 if (o->roff1)
607 cp = (char **) o->roff1;
608 else if (o->off1)
609 cp = td_var(data, o->off1);
Jens Axboece952ab2011-08-31 14:29:22 -0600610
Steven Lang184b4092011-11-16 10:33:51 +0100611 *cp = strdup(ptr);
Jens Axboe1c964ce2011-08-31 16:45:03 -0600612 }
Jens Axboe02c6aad2010-03-04 13:49:11 +0100613
Steven Lang184b4092011-11-16 10:33:51 +0100614 if (fn)
615 ret = fn(data, ptr);
616 else if (o->posval[0].ival) {
617 posval_sort(o, posval);
Jens Axboec44b1ff2011-08-30 20:43:53 -0600618
Steven Lang184b4092011-11-16 10:33:51 +0100619 ret = 1;
620 for (i = 0; i < PARSE_MAX_VP; i++) {
621 vp = &posval[i];
622 if (!vp->ival || vp->ival[0] == '\0')
623 continue;
624 all_skipped = 0;
Jens Axboe119cd932012-12-06 17:34:57 +0100625 if (!strncmp(vp->ival, ptr, str_match_len(vp, ptr))) {
Steven Lang184b4092011-11-16 10:33:51 +0100626 char *rest;
627
628 ret = 0;
629 if (vp->cb)
630 fn = vp->cb;
631 rest = strstr(*cp ?: ptr, ":");
632 if (rest) {
633 if (*cp)
634 *rest = '\0';
635 ptr = rest + 1;
636 } else
637 ptr = NULL;
638 break;
639 }
Jens Axboeaf52b342007-03-13 10:07:47 +0100640 }
641 }
Jens Axboec44b1ff2011-08-30 20:43:53 -0600642
Steven Lang184b4092011-11-16 10:33:51 +0100643 if (!all_skipped) {
644 if (ret && !*cp)
645 show_option_values(o);
646 else if (ret && *cp)
647 ret = 0;
648 else if (fn && ptr)
649 ret = fn(data, ptr);
650 }
Jens Axboec44b1ff2011-08-30 20:43:53 -0600651
Jens Axboee1f36502006-10-27 10:54:08 +0200652 break;
Jens Axboeaf52b342007-03-13 10:07:47 +0100653 }
Jens Axboee1f36502006-10-27 10:54:08 +0200654 case FIO_OPT_RANGE: {
Jens Axboeb765a372006-10-27 15:00:16 +0200655 char tmp[128];
Jens Axboee1f36502006-10-27 10:54:08 +0200656 char *p1, *p2;
657
Jens Axboe0bbab0e2006-11-02 09:18:36 +0100658 strncpy(tmp, ptr, sizeof(tmp) - 1);
Jens Axboeb765a372006-10-27 15:00:16 +0200659
Dave Engberg31d23f42011-07-23 21:07:13 +0200660 /* Handle bsrange with separate read,write values: */
661 p1 = strchr(tmp, ',');
662 if (p1)
663 *p1 = '\0';
664
Jens Axboeb765a372006-10-27 15:00:16 +0200665 p1 = strchr(tmp, '-');
Jens Axboee1f36502006-10-27 10:54:08 +0200666 if (!p1) {
Jens Axboe0c9baf92007-01-11 15:59:26 +0100667 p1 = strchr(tmp, ':');
668 if (!p1) {
669 ret = 1;
670 break;
671 }
Jens Axboee1f36502006-10-27 10:54:08 +0200672 }
673
674 p2 = p1 + 1;
675 *p1 = '\0';
Jens Axboeb765a372006-10-27 15:00:16 +0200676 p1 = tmp;
Jens Axboee1f36502006-10-27 10:54:08 +0200677
678 ret = 1;
Jens Axboed6978a32009-07-18 21:04:09 +0200679 if (!check_range_bytes(p1, &ul1, data) &&
680 !check_range_bytes(p2, &ul2, data)) {
Jens Axboee1f36502006-10-27 10:54:08 +0200681 ret = 0;
Jens Axboee1f36502006-10-27 10:54:08 +0200682 if (ul1 > ul2) {
Jens Axboef90eff52006-11-06 11:08:21 +0100683 unsigned long foo = ul1;
684
685 ul1 = ul2;
686 ul2 = foo;
687 }
688
689 if (first) {
Jens Axboe02c6aad2010-03-04 13:49:11 +0100690 if (o->roff1)
Jens Axboe7758d4f2010-03-18 16:50:31 +0100691 *(unsigned int *) o->roff1 = ul1;
Jens Axboe02c6aad2010-03-04 13:49:11 +0100692 else
Jens Axboe5f6ddf12010-03-09 20:40:44 +0100693 val_store(ilp, ul1, o->off1, 0, data);
Jens Axboe02c6aad2010-03-04 13:49:11 +0100694 if (o->roff2)
Jens Axboe7758d4f2010-03-18 16:50:31 +0100695 *(unsigned int *) o->roff2 = ul2;
Jens Axboe02c6aad2010-03-04 13:49:11 +0100696 else
Jens Axboe5f6ddf12010-03-09 20:40:44 +0100697 val_store(ilp, ul2, o->off2, 0, data);
Jens Axboee1f36502006-10-27 10:54:08 +0200698 }
Shaohua Li6eaf09d2012-09-14 08:49:43 +0200699 if (curr == 1) {
700 if (o->roff3 && o->roff4) {
701 *(unsigned int *) o->roff3 = ul1;
702 *(unsigned int *) o->roff4 = ul2;
703 } else if (o->off3 && o->off4) {
704 val_store(ilp, ul1, o->off3, 0, data);
705 val_store(ilp, ul2, o->off4, 0, data);
706 }
707 }
708 if (curr == 2) {
709 if (o->roff5 && o->roff6) {
710 *(unsigned int *) o->roff5 = ul1;
711 *(unsigned int *) o->roff6 = ul2;
712 } else if (o->off5 && o->off6) {
713 val_store(ilp, ul1, o->off5, 0, data);
714 val_store(ilp, ul2, o->off6, 0, data);
715 }
716 }
717 if (!more) {
718 if (curr < 1) {
719 if (o->roff3 && o->roff4) {
720 *(unsigned int *) o->roff3 = ul1;
721 *(unsigned int *) o->roff4 = ul2;
722 } else if (o->off3 && o->off4) {
723 val_store(ilp, ul1, o->off3, 0, data);
724 val_store(ilp, ul2, o->off4, 0, data);
725 }
726 }
727 if (curr < 2) {
728 if (o->roff5 && o->roff6) {
729 *(unsigned int *) o->roff5 = ul1;
730 *(unsigned int *) o->roff6 = ul2;
731 } else if (o->off5 && o->off6) {
732 val_store(ilp, ul1, o->off5, 0, data);
733 val_store(ilp, ul2, o->off6, 0, data);
734 }
735 }
Jens Axboe17abbe82006-11-06 11:23:10 +0100736 }
737 }
738
Jens Axboee1f36502006-10-27 10:54:08 +0200739 break;
740 }
Jens Axboe74ba1802011-07-15 09:09:15 +0200741 case FIO_OPT_BOOL:
742 case FIO_OPT_STR_SET: {
Jens Axboee1f36502006-10-27 10:54:08 +0200743 fio_opt_int_fn *fn = o->cb;
744
Jens Axboe74ba1802011-07-15 09:09:15 +0200745 if (ptr)
746 ret = check_int(ptr, &il);
747 else if (o->type == FIO_OPT_BOOL)
748 ret = 1;
749 else
750 il = 1;
751
Jens Axboeae3fcb52013-04-25 10:06:32 -0600752 dprint(FD_PARSE, " ret=%d, out=%d\n", ret, il);
753
Jens Axboee1f36502006-10-27 10:54:08 +0200754 if (ret)
755 break;
756
Jens Axboedb8e0162007-01-10 13:41:26 +0100757 if (o->maxval && il > (int) o->maxval) {
Jens Axboe28d7c362011-10-05 20:30:24 +0200758 log_err("max value out of range: %d (%d max)\n",
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100759 il, o->maxval);
Jens Axboedb8e0162007-01-10 13:41:26 +0100760 return 1;
761 }
762 if (o->minval && il < o->minval) {
Jens Axboe28d7c362011-10-05 20:30:24 +0200763 log_err("min value out of range: %d (%d min)\n",
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100764 il, o->minval);
Jens Axboedb8e0162007-01-10 13:41:26 +0100765 return 1;
766 }
Jens Axboee1f36502006-10-27 10:54:08 +0200767
Jens Axboe76a43db2007-01-11 13:24:44 +0100768 if (o->neg)
769 il = !il;
770
Jens Axboee1f36502006-10-27 10:54:08 +0200771 if (fn)
772 ret = fn(data, &il);
773 else {
Jens Axboe02c6aad2010-03-04 13:49:11 +0100774 if (first) {
775 if (o->roff1)
776 *(unsigned int *)o->roff1 = il;
777 else
Jens Axboe5f6ddf12010-03-09 20:40:44 +0100778 val_store(ilp, il, o->off1, 0, data);
Jens Axboe02c6aad2010-03-04 13:49:11 +0100779 }
780 if (!more) {
781 if (o->roff2)
782 *(unsigned int *) o->roff2 = il;
783 else if (o->off2)
Jens Axboe5f6ddf12010-03-09 20:40:44 +0100784 val_store(ilp, il, o->off2, 0, data);
Jens Axboe02c6aad2010-03-04 13:49:11 +0100785 }
Jens Axboee1f36502006-10-27 10:54:08 +0200786 }
787 break;
788 }
Jens Axboe15ca1502008-04-07 09:26:02 +0200789 case FIO_OPT_DEPRECATED:
Jens Axboe06b0be62011-10-04 10:31:10 +0200790 log_info("Option %s is deprecated\n", o->name);
Jens Axboe15ca1502008-04-07 09:26:02 +0200791 break;
Jens Axboee1f36502006-10-27 10:54:08 +0200792 default:
Jens Axboe06b0be62011-10-04 10:31:10 +0200793 log_err("Bad option type %u\n", o->type);
Jens Axboee1f36502006-10-27 10:54:08 +0200794 ret = 1;
795 }
796
Jens Axboe70a4c0c2009-07-01 09:24:05 +0200797 if (ret)
798 return ret;
799
Jens Axboed447a8c2009-07-17 22:26:15 +0200800 if (o->verify) {
Jens Axboe70a4c0c2009-07-01 09:24:05 +0200801 ret = o->verify(o, data);
Jens Axboed447a8c2009-07-17 22:26:15 +0200802 if (ret) {
Jens Axboe28d7c362011-10-05 20:30:24 +0200803 log_err("Correct format for offending option\n");
804 log_err("%20s: %s\n", o->name, o->help);
Jens Axboe06b0be62011-10-04 10:31:10 +0200805 show_option_help(o, 1);
Jens Axboed447a8c2009-07-17 22:26:15 +0200806 }
807 }
Jens Axboe70a4c0c2009-07-01 09:24:05 +0200808
Jens Axboee1f36502006-10-27 10:54:08 +0200809 return ret;
810}
811
Jens Axboe7c8f1a52009-06-09 12:28:57 +0200812static int handle_option(struct fio_option *o, const char *__ptr, void *data)
Jens Axboef90eff52006-11-06 11:08:21 +0100813{
Jens Axboeb62bdf22010-03-10 12:36:17 +0100814 char *o_ptr, *ptr, *ptr2;
815 int ret, done;
Jens Axboef90eff52006-11-06 11:08:21 +0100816
Jens Axboe7c8f1a52009-06-09 12:28:57 +0200817 dprint(FD_PARSE, "handle_option=%s, ptr=%s\n", o->name, __ptr);
818
Jens Axboeb62bdf22010-03-10 12:36:17 +0100819 o_ptr = ptr = NULL;
Jens Axboe7c8f1a52009-06-09 12:28:57 +0200820 if (__ptr)
Jens Axboeb62bdf22010-03-10 12:36:17 +0100821 o_ptr = ptr = strdup(__ptr);
Jens Axboea3d741f2008-02-27 18:32:33 +0100822
Jens Axboef90eff52006-11-06 11:08:21 +0100823 /*
Jens Axboeb62bdf22010-03-10 12:36:17 +0100824 * See if we have another set of parameters, hidden after a comma.
825 * Do this before parsing this round, to check if we should
Jens Axboe787f7e92006-11-06 13:26:29 +0100826 * copy set 1 options to set 2.
Jens Axboef90eff52006-11-06 11:08:21 +0100827 */
Jens Axboeb62bdf22010-03-10 12:36:17 +0100828 done = 0;
829 ret = 1;
830 do {
831 int __ret;
832
833 ptr2 = NULL;
834 if (ptr &&
835 (o->type != FIO_OPT_STR_STORE) &&
Yu-ju Hong83349192011-08-13 00:53:44 +0200836 (o->type != FIO_OPT_STR) &&
837 (o->type != FIO_OPT_FLOAT_LIST)) {
Jens Axboeb62bdf22010-03-10 12:36:17 +0100838 ptr2 = strchr(ptr, ',');
839 if (ptr2 && *(ptr2 + 1) == '\0')
840 *ptr2 = '\0';
Shaohua Li6eaf09d2012-09-14 08:49:43 +0200841 if (o->type != FIO_OPT_STR_MULTI && o->type != FIO_OPT_RANGE) {
Jens Axboeb62bdf22010-03-10 12:36:17 +0100842 if (!ptr2)
843 ptr2 = strchr(ptr, ':');
844 if (!ptr2)
845 ptr2 = strchr(ptr, '-');
846 }
Yu-ju Hong83349192011-08-13 00:53:44 +0200847 } else if (ptr && o->type == FIO_OPT_FLOAT_LIST) {
848 ptr2 = strchr(ptr, ':');
Jens Axboeb62bdf22010-03-10 12:36:17 +0100849 }
850
851 /*
852 * Don't return early if parsing the first option fails - if
853 * we are doing multiple arguments, we can allow the first one
854 * being empty.
855 */
Yu-ju Hong83349192011-08-13 00:53:44 +0200856 __ret = __handle_option(o, ptr, data, !done, !!ptr2, done);
Jens Axboeb62bdf22010-03-10 12:36:17 +0100857 if (ret)
858 ret = __ret;
859
Jens Axboe0c9baf92007-01-11 15:59:26 +0100860 if (!ptr2)
Jens Axboeb62bdf22010-03-10 12:36:17 +0100861 break;
Jens Axboe787f7e92006-11-06 13:26:29 +0100862
Jens Axboeb62bdf22010-03-10 12:36:17 +0100863 ptr = ptr2 + 1;
864 done++;
865 } while (1);
Jens Axboe787f7e92006-11-06 13:26:29 +0100866
Jens Axboeb62bdf22010-03-10 12:36:17 +0100867 if (o_ptr)
868 free(o_ptr);
869 return ret;
Jens Axboef90eff52006-11-06 11:08:21 +0100870}
871
Steven Langde890a12011-11-09 14:03:34 +0100872static struct fio_option *get_option(char *opt,
Jens Axboe07b32322010-03-05 09:48:44 +0100873 struct fio_option *options, char **post)
Jens Axboe3b8b7132008-06-10 19:46:23 +0200874{
875 struct fio_option *o;
876 char *ret;
877
878 ret = strchr(opt, '=');
879 if (ret) {
880 *post = ret;
881 *ret = '\0';
Steven Langde890a12011-11-09 14:03:34 +0100882 ret = opt;
Jens Axboe3b8b7132008-06-10 19:46:23 +0200883 (*post)++;
Jens Axboe43c129b2008-12-08 14:06:42 +0100884 strip_blank_end(ret);
Jens Axboe07b32322010-03-05 09:48:44 +0100885 o = find_option(options, ret);
Jens Axboe3b8b7132008-06-10 19:46:23 +0200886 } else {
Jens Axboe07b32322010-03-05 09:48:44 +0100887 o = find_option(options, opt);
Jens Axboe3b8b7132008-06-10 19:46:23 +0200888 *post = NULL;
889 }
890
891 return o;
892}
893
894static int opt_cmp(const void *p1, const void *p2)
895{
Steven Langde890a12011-11-09 14:03:34 +0100896 struct fio_option *o;
897 char *s, *foo;
Jens Axboe8cdabc12008-11-19 12:31:43 +0100898 int prio1, prio2;
Jens Axboe3b8b7132008-06-10 19:46:23 +0200899
Jens Axboe8cdabc12008-11-19 12:31:43 +0100900 prio1 = prio2 = 0;
Jens Axboe3b8b7132008-06-10 19:46:23 +0200901
Steven Langde890a12011-11-09 14:03:34 +0100902 if (*(char **)p1) {
903 s = strdup(*((char **) p1));
Jens Axboe9af4a242012-03-16 10:13:49 +0100904 o = get_option(s, __fio_options, &foo);
Steven Langde890a12011-11-09 14:03:34 +0100905 if (o)
906 prio1 = o->prio;
907 free(s);
908 }
909 if (*(char **)p2) {
910 s = strdup(*((char **) p2));
Jens Axboe9af4a242012-03-16 10:13:49 +0100911 o = get_option(s, __fio_options, &foo);
Steven Langde890a12011-11-09 14:03:34 +0100912 if (o)
913 prio2 = o->prio;
914 free(s);
915 }
916
Jens Axboe8cdabc12008-11-19 12:31:43 +0100917 return prio2 - prio1;
Jens Axboe3b8b7132008-06-10 19:46:23 +0200918}
919
920void sort_options(char **opts, struct fio_option *options, int num_opts)
921{
Jens Axboe9af4a242012-03-16 10:13:49 +0100922 __fio_options = options;
Jens Axboe3b8b7132008-06-10 19:46:23 +0200923 qsort(opts, num_opts, sizeof(char *), opt_cmp);
Jens Axboe9af4a242012-03-16 10:13:49 +0100924 __fio_options = NULL;
Jens Axboe3b8b7132008-06-10 19:46:23 +0200925}
926
Jens Axboeb4692822006-10-27 13:43:22 +0200927int parse_cmd_option(const char *opt, const char *val,
Jens Axboe07b32322010-03-05 09:48:44 +0100928 struct fio_option *options, void *data)
Jens Axboeb4692822006-10-27 13:43:22 +0200929{
930 struct fio_option *o;
931
Jens Axboe07b32322010-03-05 09:48:44 +0100932 o = find_option(options, opt);
Jens Axboeb4692822006-10-27 13:43:22 +0200933 if (!o) {
Jens Axboe06b0be62011-10-04 10:31:10 +0200934 log_err("Bad option <%s>\n", opt);
Jens Axboeb4692822006-10-27 13:43:22 +0200935 return 1;
936 }
937
Jens Axboeb1508cf2006-11-02 09:12:40 +0100938 if (!handle_option(o, val, data))
939 return 0;
940
Jens Axboe06b0be62011-10-04 10:31:10 +0200941 log_err("fio: failed parsing %s=%s\n", opt, val);
Jens Axboeb1508cf2006-11-02 09:12:40 +0100942 return 1;
Jens Axboeb4692822006-10-27 13:43:22 +0200943}
944
Steven Langde890a12011-11-09 14:03:34 +0100945int parse_option(char *opt, const char *input,
946 struct fio_option *options, struct fio_option **o, void *data)
Jens Axboee1f36502006-10-27 10:54:08 +0200947{
Steven Langd0c814e2011-10-28 08:37:13 +0200948 char *post;
Jens Axboee1f36502006-10-27 10:54:08 +0200949
Steven Langd0c814e2011-10-28 08:37:13 +0200950 if (!opt) {
951 log_err("fio: failed parsing %s\n", input);
Steven Langde890a12011-11-09 14:03:34 +0100952 *o = NULL;
Jens Axboe38789b52010-03-03 09:23:20 +0100953 return 1;
Steven Langd0c814e2011-10-28 08:37:13 +0200954 }
Jens Axboee1f36502006-10-27 10:54:08 +0200955
Steven Langde890a12011-11-09 14:03:34 +0100956 *o = get_option(opt, options, &post);
957 if (!*o) {
958 if (post) {
959 int len = strlen(opt);
960 if (opt + len + 1 != post)
961 memmove(opt + len + 1, post, strlen(post));
962 opt[len] = '=';
963 }
Jens Axboee1f36502006-10-27 10:54:08 +0200964 return 1;
965 }
966
Jens Axboe90265352012-03-19 20:29:44 +0100967 if (!handle_option(*o, post, data))
Jens Axboeb1508cf2006-11-02 09:12:40 +0100968 return 0;
969
Steven Langd0c814e2011-10-28 08:37:13 +0200970 log_err("fio: failed parsing %s\n", input);
Jens Axboeb1508cf2006-11-02 09:12:40 +0100971 return 1;
Jens Axboee1f36502006-10-27 10:54:08 +0200972}
Jens Axboefd28ca42007-01-09 21:20:13 +0100973
Jens Axboe0e9f7fa2007-03-01 14:05:30 +0100974/*
975 * Option match, levenshtein distance. Handy for not quite remembering what
976 * the option name is.
977 */
978static int string_distance(const char *s1, const char *s2)
979{
980 unsigned int s1_len = strlen(s1);
981 unsigned int s2_len = strlen(s2);
982 unsigned int *p, *q, *r;
983 unsigned int i, j;
984
985 p = malloc(sizeof(unsigned int) * (s2_len + 1));
986 q = malloc(sizeof(unsigned int) * (s2_len + 1));
987
988 p[0] = 0;
989 for (i = 1; i <= s2_len; i++)
990 p[i] = p[i - 1] + 1;
991
992 for (i = 1; i <= s1_len; i++) {
993 q[0] = p[0] + 1;
994 for (j = 1; j <= s2_len; j++) {
995 unsigned int sub = p[j - 1];
996
997 if (s1[i - 1] != s2[j - 1])
998 sub++;
999
1000 q[j] = min(p[j] + 1, min(q[j - 1] + 1, sub));
1001 }
1002 r = p;
1003 p = q;
1004 q = r;
1005 }
1006
1007 i = p[s2_len];
1008 free(p);
1009 free(q);
1010 return i;
1011}
1012
Jens Axboeafdf9352007-07-31 16:14:34 +02001013static struct fio_option *find_child(struct fio_option *options,
1014 struct fio_option *o)
1015{
1016 struct fio_option *__o;
1017
Jens Axboefdf28742007-07-31 23:06:09 +02001018 for (__o = options + 1; __o->name; __o++)
1019 if (__o->parent && !strcmp(__o->parent, o->name))
Jens Axboeafdf9352007-07-31 16:14:34 +02001020 return __o;
1021
1022 return NULL;
1023}
1024
Jens Axboe323d9112008-03-01 15:12:14 +01001025static void __print_option(struct fio_option *o, struct fio_option *org,
1026 int level)
Jens Axboeafdf9352007-07-31 16:14:34 +02001027{
1028 char name[256], *p;
Jens Axboe323d9112008-03-01 15:12:14 +01001029 int depth;
Jens Axboeafdf9352007-07-31 16:14:34 +02001030
1031 if (!o)
1032 return;
Jens Axboeef9aff52007-07-31 22:56:53 +02001033 if (!org)
1034 org = o;
Jens Axboe5ec10ea2008-03-06 15:42:00 +01001035
Jens Axboeafdf9352007-07-31 16:14:34 +02001036 p = name;
Jens Axboe323d9112008-03-01 15:12:14 +01001037 depth = level;
1038 while (depth--)
1039 p += sprintf(p, "%s", " ");
Jens Axboeafdf9352007-07-31 16:14:34 +02001040
1041 sprintf(p, "%s", o->name);
1042
Jens Axboe28d7c362011-10-05 20:30:24 +02001043 log_info("%-24s: %s\n", name, o->help);
Jens Axboe323d9112008-03-01 15:12:14 +01001044}
1045
1046static void print_option(struct fio_option *o)
1047{
1048 struct fio_option *parent;
1049 struct fio_option *__o;
1050 unsigned int printed;
1051 unsigned int level;
1052
1053 __print_option(o, NULL, 0);
1054 parent = o;
1055 level = 0;
1056 do {
1057 level++;
1058 printed = 0;
1059
1060 while ((__o = find_child(o, parent)) != NULL) {
1061 __print_option(__o, o, level);
1062 o = __o;
1063 printed++;
1064 }
1065
1066 parent = o;
1067 } while (printed);
Jens Axboeafdf9352007-07-31 16:14:34 +02001068}
1069
Jens Axboe07b32322010-03-05 09:48:44 +01001070int show_cmd_help(struct fio_option *options, const char *name)
Jens Axboe0e9f7fa2007-03-01 14:05:30 +01001071{
1072 struct fio_option *o, *closest;
Jens Axboed091d092010-04-01 19:56:23 +02001073 unsigned int best_dist = -1U;
Jens Axboe29fc6af2007-01-09 21:22:02 +01001074 int found = 0;
Jens Axboe320beef2007-03-01 10:44:12 +01001075 int show_all = 0;
1076
1077 if (!name || !strcmp(name, "all"))
1078 show_all = 1;
Jens Axboefd28ca42007-01-09 21:20:13 +01001079
Jens Axboe0e9f7fa2007-03-01 14:05:30 +01001080 closest = NULL;
1081 best_dist = -1;
Jens Axboe4945ba12007-01-11 14:36:56 +01001082 for (o = &options[0]; o->name; o++) {
Jens Axboe320beef2007-03-01 10:44:12 +01001083 int match = 0;
1084
Jens Axboe15ca1502008-04-07 09:26:02 +02001085 if (o->type == FIO_OPT_DEPRECATED)
1086 continue;
Jens Axboe07b32322010-03-05 09:48:44 +01001087 if (!exec_profile && o->prof_name)
1088 continue;
Jens Axboe4ac23d22013-05-23 21:14:03 +02001089 if (exec_profile && !(o->prof_name && !strcmp(exec_profile, o->prof_name)))
1090 continue;
Jens Axboe15ca1502008-04-07 09:26:02 +02001091
Jens Axboe0e9f7fa2007-03-01 14:05:30 +01001092 if (name) {
Jens Axboe7f9348f2007-03-15 14:09:28 +01001093 if (!strcmp(name, o->name) ||
1094 (o->alias && !strcmp(name, o->alias)))
Jens Axboe0e9f7fa2007-03-01 14:05:30 +01001095 match = 1;
1096 else {
1097 unsigned int dist;
1098
1099 dist = string_distance(name, o->name);
1100 if (dist < best_dist) {
1101 best_dist = dist;
1102 closest = o;
1103 }
1104 }
1105 }
Jens Axboefd28ca42007-01-09 21:20:13 +01001106
1107 if (show_all || match) {
Jens Axboe29fc6af2007-01-09 21:22:02 +01001108 found = 1;
Jens Axboec167ded2007-03-14 13:02:53 +01001109 if (match)
Jens Axboe28d7c362011-10-05 20:30:24 +02001110 log_info("%20s: %s\n", o->name, o->help);
Jens Axboec167ded2007-03-14 13:02:53 +01001111 if (show_all) {
Jens Axboeafdf9352007-07-31 16:14:34 +02001112 if (!o->parent)
Jens Axboe323d9112008-03-01 15:12:14 +01001113 print_option(o);
Jens Axboe4945ba12007-01-11 14:36:56 +01001114 continue;
Jens Axboec167ded2007-03-14 13:02:53 +01001115 }
Jens Axboefd28ca42007-01-09 21:20:13 +01001116 }
1117
Jens Axboe70df2f12007-01-11 14:04:47 +01001118 if (!match)
1119 continue;
1120
Jens Axboe06b0be62011-10-04 10:31:10 +02001121 show_option_help(o, 0);
Jens Axboefd28ca42007-01-09 21:20:13 +01001122 }
1123
Jens Axboe29fc6af2007-01-09 21:22:02 +01001124 if (found)
1125 return 0;
Jens Axboefd28ca42007-01-09 21:20:13 +01001126
Jens Axboe28d7c362011-10-05 20:30:24 +02001127 log_err("No such command: %s", name);
Jens Axboed091d092010-04-01 19:56:23 +02001128
1129 /*
1130 * Only print an appropriately close option, one where the edit
1131 * distance isn't too big. Otherwise we get crazy matches.
1132 */
1133 if (closest && best_dist < 3) {
Jens Axboe28d7c362011-10-05 20:30:24 +02001134 log_info(" - showing closest match\n");
1135 log_info("%20s: %s\n", closest->name, closest->help);
Jens Axboe06b0be62011-10-04 10:31:10 +02001136 show_option_help(closest, 0);
Jens Axboe0e9f7fa2007-03-01 14:05:30 +01001137 } else
Jens Axboe28d7c362011-10-05 20:30:24 +02001138 log_info("\n");
Jens Axboe0e9f7fa2007-03-01 14:05:30 +01001139
Jens Axboe29fc6af2007-01-09 21:22:02 +01001140 return 1;
Jens Axboefd28ca42007-01-09 21:20:13 +01001141}
Jens Axboeee738492007-01-10 11:23:16 +01001142
Jens Axboe13335dd2007-01-10 13:14:02 +01001143/*
1144 * Handle parsing of default parameters.
1145 */
Jens Axboeee738492007-01-10 11:23:16 +01001146void fill_default_options(void *data, struct fio_option *options)
1147{
Jens Axboe4945ba12007-01-11 14:36:56 +01001148 struct fio_option *o;
Jens Axboeee738492007-01-10 11:23:16 +01001149
Jens Axboea3d741f2008-02-27 18:32:33 +01001150 dprint(FD_PARSE, "filling default options\n");
1151
Jens Axboe4945ba12007-01-11 14:36:56 +01001152 for (o = &options[0]; o->name; o++)
Jens Axboeee738492007-01-10 11:23:16 +01001153 if (o->def)
1154 handle_option(o, o->def, data);
Jens Axboeee738492007-01-10 11:23:16 +01001155}
Jens Axboe13335dd2007-01-10 13:14:02 +01001156
Jens Axboe9f988e22010-03-04 10:42:38 +01001157void option_init(struct fio_option *o)
1158{
1159 if (o->type == FIO_OPT_DEPRECATED)
1160 return;
1161 if (o->type == FIO_OPT_BOOL) {
1162 o->minval = 0;
1163 o->maxval = 1;
1164 }
Jens Axboed4fc2f02012-09-24 14:32:26 +02001165 if (o->type == FIO_OPT_INT) {
1166 if (!o->maxval)
1167 o->maxval = UINT_MAX;
1168 }
Yu-ju Hong83349192011-08-13 00:53:44 +02001169 if (o->type == FIO_OPT_FLOAT_LIST) {
Bruce Cranab9461e2013-02-02 14:31:24 +00001170 o->minfp = DBL_MIN;
1171 o->maxfp = DBL_MAX;
Yu-ju Hong83349192011-08-13 00:53:44 +02001172 }
Jens Axboe9f988e22010-03-04 10:42:38 +01001173 if (o->type == FIO_OPT_STR_SET && o->def) {
Jens Axboe06b0be62011-10-04 10:31:10 +02001174 log_err("Option %s: string set option with"
Jens Axboe9f988e22010-03-04 10:42:38 +01001175 " default will always be true\n", o->name);
1176 }
Jens Axboe06b0be62011-10-04 10:31:10 +02001177 if (!o->cb && (!o->off1 && !o->roff1))
1178 log_err("Option %s: neither cb nor offset given\n", o->name);
Jens Axboe22754742013-04-10 13:05:23 +02001179 if (!o->category) {
Jens Axboecca5b5b2013-04-10 19:35:25 +02001180 log_info("Option %s: no category defined. Setting to misc\n", o->name);
Jens Axboe22754742013-04-10 13:05:23 +02001181 o->category = FIO_OPT_C_GENERAL;
Jens Axboeffd78212013-04-10 13:07:43 +02001182 o->group = FIO_OPT_G_INVALID;
Jens Axboe22754742013-04-10 13:05:23 +02001183 }
Jens Axboe5f6ddf12010-03-09 20:40:44 +01001184 if (o->type == FIO_OPT_STR || o->type == FIO_OPT_STR_STORE ||
1185 o->type == FIO_OPT_STR_MULTI)
Jens Axboe9f988e22010-03-04 10:42:38 +01001186 return;
Jens Axboee2de69d2010-03-04 14:05:48 +01001187 if (o->cb && ((o->off1 || o->off2 || o->off3 || o->off4) ||
1188 (o->roff1 || o->roff2 || o->roff3 || o->roff4))) {
Jens Axboe06b0be62011-10-04 10:31:10 +02001189 log_err("Option %s: both cb and offset given\n", o->name);
Jens Axboe9f988e22010-03-04 10:42:38 +01001190 }
1191}
1192
Jens Axboe13335dd2007-01-10 13:14:02 +01001193/*
1194 * Sanitize the options structure. For now it just sets min/max for bool
Jens Axboe5b0a8882007-01-11 14:40:27 +01001195 * values and whether both callback and offsets are given.
Jens Axboe13335dd2007-01-10 13:14:02 +01001196 */
1197void options_init(struct fio_option *options)
1198{
Jens Axboe4945ba12007-01-11 14:36:56 +01001199 struct fio_option *o;
Jens Axboe13335dd2007-01-10 13:14:02 +01001200
Jens Axboea3d741f2008-02-27 18:32:33 +01001201 dprint(FD_PARSE, "init options\n");
1202
Jens Axboe90265352012-03-19 20:29:44 +01001203 for (o = &options[0]; o->name; o++) {
Jens Axboe9f988e22010-03-04 10:42:38 +01001204 option_init(o);
Jens Axboe90265352012-03-19 20:29:44 +01001205 if (o->inverse)
1206 o->inv_opt = find_option(options, o->inverse);
1207 }
Jens Axboe13335dd2007-01-10 13:14:02 +01001208}
Jens Axboe7e356b22011-10-14 10:55:16 +02001209
1210void options_free(struct fio_option *options, void *data)
1211{
1212 struct fio_option *o;
1213 char **ptr;
1214
1215 dprint(FD_PARSE, "free options\n");
1216
1217 for (o = &options[0]; o->name; o++) {
Steven Langde890a12011-11-09 14:03:34 +01001218 if (o->type != FIO_OPT_STR_STORE || !o->off1)
Jens Axboe7e356b22011-10-14 10:55:16 +02001219 continue;
1220
1221 ptr = td_var(data, o->off1);
1222 if (*ptr) {
1223 free(*ptr);
1224 *ptr = NULL;
1225 }
1226 }
1227}