#include "parse.h"
#include "debug.h"
#include "options.h"
+#include "optgroup.h"
#include "minmax.h"
#include "lib/ieee754.h"
+#include "lib/pow2.h"
+
+#ifdef CONFIG_ARITHMETIC
+#include "y.tab.h"
+#endif
static struct fio_option *__fio_options;
}
static void show_option_range(struct fio_option *o,
- int (*logger)(const char *format, ...))
+ size_t (*logger)(const char *format, ...))
{
if (o->type == FIO_OPT_FLOAT_LIST) {
if (o->minfp == DBL_MIN && o->maxfp == DBL_MAX)
"list of floating point values separated by ':' (opt=5.9:7.8)",
"no argument (opt)",
"deprecated",
+ "unsupported",
};
- int (*logger)(const char *format, ...);
+ size_t (*logger)(const char *format, ...);
if (is_err)
logger = log_err;
show_option_values(o);
}
-static unsigned long get_mult_time(char c)
+static unsigned long long get_mult_time(const char *str, int len,
+ int is_seconds)
{
- switch (c) {
- case 'm':
- case 'M':
- return 60;
- case 'h':
- case 'H':
- return 60 * 60;
- case 'd':
- case 'D':
- return 24 * 60 * 60;
- default:
- return 1;
+ const char *p = str;
+ char *c;
+ unsigned long long mult = 1;
+ int i;
+
+ /*
+ * Go forward until we hit a non-digit, or +/- sign
+ */
+ while ((p - str) <= len) {
+ if (!isdigit((int) *p) && (*p != '+') && (*p != '-'))
+ break;
+ p++;
}
+
+ if (!isalpha((int) *p)) {
+ if (is_seconds)
+ return 1000000UL;
+ else
+ return 1;
+ }
+
+ c = strdup(p);
+ for (i = 0; i < strlen(c); i++)
+ c[i] = tolower(c[i]);
+
+ if (!strncmp("us", c, 2) || !strncmp("usec", c, 4))
+ mult = 1;
+ else if (!strncmp("ms", c, 2) || !strncmp("msec", c, 4))
+ mult = 1000;
+ else if (!strcmp("s", c))
+ mult = 1000000;
+ else if (!strcmp("m", c))
+ mult = 60 * 1000000UL;
+ else if (!strcmp("h", c))
+ mult = 60 * 60 * 1000000UL;
+ else if (!strcmp("d", c))
+ mult = 24 * 60 * 60 * 1000000ULL;
+
+ free(c);
+ return mult;
}
static int is_separator(char c)
}
}
+ /* If kb_base is 1000, use true units.
+ * If kb_base is 1024, use opposite units.
+ */
if (!strncmp("pib", c, 3)) {
pow = 5;
- mult = 1000;
+ if (kb_base == 1000)
+ mult = 1024;
+ else if (kb_base == 1024)
+ mult = 1000;
} else if (!strncmp("tib", c, 3)) {
pow = 4;
- mult = 1000;
+ if (kb_base == 1000)
+ mult = 1024;
+ else if (kb_base == 1024)
+ mult = 1000;
} else if (!strncmp("gib", c, 3)) {
pow = 3;
- mult = 1000;
+ if (kb_base == 1000)
+ mult = 1024;
+ else if (kb_base == 1024)
+ mult = 1000;
} else if (!strncmp("mib", c, 3)) {
pow = 2;
- mult = 1000;
+ if (kb_base == 1000)
+ mult = 1024;
+ else if (kb_base == 1024)
+ mult = 1000;
} else if (!strncmp("kib", c, 3)) {
pow = 1;
- mult = 1000;
- } else if (!strncmp("p", c, 1) || !strncmp("pb", c, 2))
+ if (kb_base == 1000)
+ mult = 1024;
+ else if (kb_base == 1024)
+ mult = 1000;
+ } else if (!strncmp("p", c, 1) || !strncmp("pb", c, 2)) {
pow = 5;
- else if (!strncmp("t", c, 1) || !strncmp("tb", c, 2))
+ } else if (!strncmp("t", c, 1) || !strncmp("tb", c, 2)) {
pow = 4;
- else if (!strncmp("g", c, 1) || !strncmp("gb", c, 2))
+ } else if (!strncmp("g", c, 1) || !strncmp("gb", c, 2)) {
pow = 3;
- else if (!strncmp("m", c, 1) || !strncmp("mb", c, 2))
+ } else if (!strncmp("m", c, 1) || !strncmp("mb", c, 2)) {
pow = 2;
- else if (!strncmp("k", c, 1) || !strncmp("kb", c, 2))
+ } else if (!strncmp("k", c, 1) || !strncmp("kb", c, 2)) {
pow = 1;
- else if (!strncmp("%", c, 1)) {
+ } else if (!strncmp("%", c, 1)) {
*percent = 1;
free(c);
return ret;
return __get_mult_bytes(p, data, percent);
}
+extern int evaluate_arithmetic_expression(const char *buffer, long long *ival,
+ double *dval, double implied_units,
+ int is_time);
+
/*
* Convert string into a floating number. Return 1 for success and 0 otherwise.
*/
-int str_to_float(const char *str, double *val)
+int str_to_float(const char *str, double *val, int is_time)
{
- return (1 == sscanf(str, "%lf", val));
+#ifdef CONFIG_ARITHMETIC
+ int rc;
+ long long ival;
+ double dval;
+
+ if (str[0] == '(') {
+ rc = evaluate_arithmetic_expression(str, &ival, &dval, 1.0, is_time);
+ if (!rc) {
+ *val = dval;
+ return 1;
+ }
+ }
+#endif
+ return 1 == sscanf(str, "%lf", val);
}
/*
* convert string into decimal value, noting any size suffix
*/
-int str_to_decimal(const char *str, long long *val, int kilo, void *data)
+int str_to_decimal(const char *str, long long *val, int kilo, void *data,
+ int is_seconds, int is_time)
{
int len, base;
+ int rc = 1;
+#ifdef CONFIG_ARITHMETIC
+ long long ival;
+ double dval;
+ double implied_units = 1.0;
+#endif
len = strlen(str);
if (!len)
return 1;
- if (strstr(str, "0x") || strstr(str, "0X"))
- base = 16;
- else
- base = 10;
+#ifdef CONFIG_ARITHMETIC
+ if (is_seconds)
+ implied_units = 1000000.0;
+ if (str[0] == '(')
+ rc = evaluate_arithmetic_expression(str, &ival, &dval, implied_units, is_time);
+ if (str[0] == '(' && !rc) {
+ if (!kilo && is_seconds)
+ *val = ival / 1000000LL;
+ else
+ *val = ival;
+ }
+#endif
- *val = strtoll(str, NULL, base);
- if (*val == LONG_MAX && errno == ERANGE)
- return 1;
+ if (rc == 1) {
+ if (strstr(str, "0x") || strstr(str, "0X"))
+ base = 16;
+ else
+ base = 10;
+
+ *val = strtoll(str, NULL, base);
+ if (*val == LONG_MAX && errno == ERANGE)
+ return 1;
+ }
if (kilo) {
unsigned long long mult;
else
*val *= mult;
} else
- *val *= get_mult_time(str[len - 1]);
+ *val *= get_mult_time(str, len, is_seconds);
return 0;
}
int check_str_bytes(const char *p, long long *val, void *data)
{
- return str_to_decimal(p, val, 1, data);
+ return str_to_decimal(p, val, 1, data, 0, 0);
}
-int check_str_time(const char *p, long long *val)
+int check_str_time(const char *p, long long *val, int is_seconds)
{
- return str_to_decimal(p, val, 0, NULL);
+ return str_to_decimal(p, val, 0, NULL, is_seconds, 1);
}
void strip_blank_front(char **p)
{
long long __val;
- if (!str_to_decimal(str, &__val, 1, data)) {
+ if (!str_to_decimal(str, &__val, 1, data, 0, 0)) {
*val = __val;
return 0;
}
return 1;
}
-static int opt_len(const char *str)
+static size_t opt_len(const char *str)
{
char *postfix;
return max(strlen(vp->ival), opt_len(str));
}
-#define val_store(ptr, val, off, or, data) \
+#define val_store(ptr, val, off, or, data, o) \
do { \
- ptr = td_var((data), (off)); \
+ ptr = td_var((data), (o), (off)); \
if ((or)) \
*ptr |= (val); \
else \
if (!vp->ival || vp->ival[0] == '\0')
continue;
all_skipped = 0;
+ if (!ptr)
+ break;
if (!strncmp(vp->ival, ptr, str_match_len(vp, ptr))) {
ret = 0;
- if (o->roff1) {
- if (vp->or)
- *(unsigned int *) o->roff1 |= vp->oval;
- else
- *(unsigned int *) o->roff1 = vp->oval;
- } else {
- if (!o->off1)
- continue;
- val_store(ilp, vp->oval, o->off1, vp->or, data);
- }
+ if (o->off1)
+ val_store(ilp, vp->oval, o->off1, vp->orval, data, o);
continue;
}
}
fio_opt_str_val_fn *fn = o->cb;
char tmp[128], *p;
+ if (!is_time && o->is_time)
+ is_time = o->is_time;
+
+ tmp[sizeof(tmp) - 1] = '\0';
strncpy(tmp, ptr, sizeof(tmp) - 1);
p = strchr(tmp, ',');
if (p)
*p = '\0';
if (is_time)
- ret = check_str_time(tmp, &ull);
+ ret = check_str_time(tmp, &ull, o->is_seconds);
else
ret = check_str_bytes(tmp, &ull, data);
if (ret)
break;
+ if (o->pow2 && !is_power_of_2(ull)) {
+ log_err("%s: must be a power-of-2\n", o->name);
+ return 1;
+ }
if (o->maxval && ull > o->maxval) {
log_err("max value out of range: %llu"
ret = fn(data, &ull);
else {
if (o->type == FIO_OPT_INT) {
- if (first) {
- if (o->roff1)
- *(unsigned int *) o->roff1 = ull;
- else
- val_store(ilp, ull, o->off1, 0, data);
- }
+ if (first)
+ val_store(ilp, ull, o->off1, 0, data, o);
if (curr == 1) {
- if (o->roff2)
- *(unsigned int *) o->roff2 = ull;
- else if (o->off2)
- val_store(ilp, ull, o->off2, 0, data);
+ if (o->off2)
+ val_store(ilp, ull, o->off2, 0, data, o);
}
if (curr == 2) {
- if (o->roff3)
- *(unsigned int *) o->roff3 = ull;
- else if (o->off3)
- val_store(ilp, ull, o->off3, 0, data);
+ if (o->off3)
+ val_store(ilp, ull, o->off3, 0, data, o);
}
if (!more) {
if (curr < 1) {
- if (o->roff2)
- *(unsigned int *) o->roff2 = ull;
- else if (o->off2)
- val_store(ilp, ull, o->off2, 0, data);
+ if (o->off2)
+ val_store(ilp, ull, o->off2, 0, data, o);
}
if (curr < 2) {
- if (o->roff3)
- *(unsigned int *) o->roff3 = ull;
- else if (o->off3)
- val_store(ilp, ull, o->off3, 0, data);
+ if (o->off3)
+ val_store(ilp, ull, o->off3, 0, data, o);
}
}
} else {
- if (first) {
- if (o->roff1)
- *(unsigned long long *) o->roff1 = ull;
- else
- val_store(ullp, ull, o->off1, 0, data);
- }
+ if (first)
+ val_store(ullp, ull, o->off1, 0, data, o);
if (!more) {
- if (o->roff2)
- *(unsigned long long *) o->roff2 = ull;
- else if (o->off2)
- val_store(ullp, ull, o->off2, 0, data);
+ if (o->off2)
+ val_store(ullp, ull, o->off2, 0, data, o);
}
}
}
** Initialize precision to 0 and zero out list
** in case specified list is shorter than default
*/
- ul2 = 0;
- ilp = td_var(data, o->off2);
- *ilp = ul2;
+ if (o->off2) {
+ ul2 = 0;
+ ilp = td_var(data, o, o->off2);
+ *ilp = ul2;
+ }
- flp = td_var(data, o->off1);
+ flp = td_var(data, o, o->off1);
for(i = 0; i < o->maxlen; i++)
flp[i].u.f = 0.0;
}
o->maxlen);
return 1;
}
- if (!str_to_float(ptr, &uf)) {
+ if (!str_to_float(ptr, &uf, 0)) { /* this breaks if we ever have lists of times */
log_err("not a floating point value: %s\n", ptr);
return 1;
}
return 1;
}
- flp = td_var(data, o->off1);
+ flp = td_var(data, o, o->off1);
flp[curr].u.f = uf;
dprint(FD_PARSE, " out=%f\n", uf);
while (*++cp2 != '\0' && *cp2 >= '0' && *cp2 <= '9')
len++;
- ilp = td_var(data, o->off2);
- if (len > *ilp)
- *ilp = len;
+ if (o->off2) {
+ ilp = td_var(data, o, o->off2);
+ if (len > *ilp)
+ *ilp = len;
+ }
}
break;
case FIO_OPT_STR_STORE: {
fio_opt_str_fn *fn = o->cb;
- if (o->roff1 || o->off1) {
- if (o->roff1)
- cp = (char **) o->roff1;
- else if (o->off1)
- cp = td_var(data, o->off1);
+ if (!strlen(ptr))
+ return 1;
+ if (o->off1) {
+ cp = td_var(data, o, o->off1);
*cp = strdup(ptr);
}
ret = 1;
for (i = 0; i < PARSE_MAX_VP; i++) {
vp = &posval[i];
- if (!vp->ival || vp->ival[0] == '\0')
+ if (!vp->ival || vp->ival[0] == '\0' || !cp)
continue;
all_skipped = 0;
if (!strncmp(vp->ival, ptr, str_match_len(vp, ptr))) {
char tmp[128];
char *p1, *p2;
+ tmp[sizeof(tmp) - 1] = '\0';
strncpy(tmp, ptr, sizeof(tmp) - 1);
/* Handle bsrange with separate read,write values: */
}
if (first) {
- if (o->roff1)
- *(unsigned int *) o->roff1 = ul1;
- else
- val_store(ilp, ul1, o->off1, 0, data);
- if (o->roff2)
- *(unsigned int *) o->roff2 = ul2;
- else
- val_store(ilp, ul2, o->off2, 0, data);
+ val_store(ilp, ul1, o->off1, 0, data, o);
+ val_store(ilp, ul2, o->off2, 0, data, o);
}
if (curr == 1) {
- if (o->roff3 && o->roff4) {
- *(unsigned int *) o->roff3 = ul1;
- *(unsigned int *) o->roff4 = ul2;
- } else if (o->off3 && o->off4) {
- val_store(ilp, ul1, o->off3, 0, data);
- val_store(ilp, ul2, o->off4, 0, data);
+ if (o->off3 && o->off4) {
+ val_store(ilp, ul1, o->off3, 0, data, o);
+ val_store(ilp, ul2, o->off4, 0, data, o);
}
}
if (curr == 2) {
- if (o->roff5 && o->roff6) {
- *(unsigned int *) o->roff5 = ul1;
- *(unsigned int *) o->roff6 = ul2;
- } else if (o->off5 && o->off6) {
- val_store(ilp, ul1, o->off5, 0, data);
- val_store(ilp, ul2, o->off6, 0, data);
+ if (o->off5 && o->off6) {
+ val_store(ilp, ul1, o->off5, 0, data, o);
+ val_store(ilp, ul2, o->off6, 0, data, o);
}
}
if (!more) {
if (curr < 1) {
- if (o->roff3 && o->roff4) {
- *(unsigned int *) o->roff3 = ul1;
- *(unsigned int *) o->roff4 = ul2;
- } else if (o->off3 && o->off4) {
- val_store(ilp, ul1, o->off3, 0, data);
- val_store(ilp, ul2, o->off4, 0, data);
+ if (o->off3 && o->off4) {
+ val_store(ilp, ul1, o->off3, 0, data, o);
+ val_store(ilp, ul2, o->off4, 0, data, o);
}
}
if (curr < 2) {
- if (o->roff5 && o->roff6) {
- *(unsigned int *) o->roff5 = ul1;
- *(unsigned int *) o->roff6 = ul2;
- } else if (o->off5 && o->off6) {
- val_store(ilp, ul1, o->off5, 0, data);
- val_store(ilp, ul2, o->off6, 0, data);
+ if (o->off5 && o->off6) {
+ val_store(ilp, ul1, o->off5, 0, data, o);
+ val_store(ilp, ul2, o->off6, 0, data, o);
}
}
}
if (fn)
ret = fn(data, &il);
else {
- if (first) {
- if (o->roff1)
- *(unsigned int *)o->roff1 = il;
- else
- val_store(ilp, il, o->off1, 0, data);
- }
+ if (first)
+ val_store(ilp, il, o->off1, 0, data, o);
if (!more) {
- if (o->roff2)
- *(unsigned int *) o->roff2 = il;
- else if (o->off2)
- val_store(ilp, il, o->off2, 0, data);
+ if (o->off2)
+ val_store(ilp, il, o->off2, 0, data, o);
}
}
break;
return ret;
}
+struct fio_option *find_option(struct fio_option *options, const char *opt)
+{
+ struct fio_option *o;
+
+ for (o = &options[0]; o->name; o++) {
+ if (!o_match(o, opt))
+ continue;
+ if (o->type == FIO_OPT_UNSUPPORTED) {
+ log_err("Option <%s>: %s\n", o->name, o->help);
+ continue;
+ }
+
+ return o;
+ }
+
+ return NULL;
+}
+
+
static struct fio_option *get_option(char *opt,
struct fio_option *options, char **post)
{
__fio_options = NULL;
}
+static void add_to_dump_list(struct fio_option *o, struct flist_head *dump_list,
+ const char *post)
+{
+ struct print_option *p;
+
+ if (!dump_list)
+ return;
+
+ p = malloc(sizeof(*p));
+ p->name = strdup(o->name);
+ if (post)
+ p->value = strdup(post);
+ else
+ p->value = NULL;
+
+ flist_add_tail(&p->list, dump_list);
+}
+
int parse_cmd_option(const char *opt, const char *val,
- struct fio_option *options, void *data)
+ struct fio_option *options, void *data,
+ struct flist_head *dump_list)
{
struct fio_option *o;
return 1;
}
- if (!handle_option(o, val, data))
- return 0;
+ if (handle_option(o, val, data)) {
+ log_err("fio: failed parsing %s=%s\n", opt, val);
+ return 1;
+ }
- log_err("fio: failed parsing %s=%s\n", opt, val);
- return 1;
+ add_to_dump_list(o, dump_list, val);
+ return 0;
}
int parse_option(char *opt, const char *input,
- struct fio_option *options, struct fio_option **o, void *data)
+ struct fio_option *options, struct fio_option **o, void *data,
+ struct flist_head *dump_list)
{
char *post;
return 1;
}
- if (!handle_option(*o, post, data))
- return 0;
+ if (handle_option(*o, post, data)) {
+ log_err("fio: failed parsing %s\n", input);
+ return 1;
+ }
- log_err("fio: failed parsing %s\n", input);
- return 1;
+ add_to_dump_list(*o, dump_list, post);
+ return 0;
}
/*
* Option match, levenshtein distance. Handy for not quite remembering what
* the option name is.
*/
-static int string_distance(const char *s1, const char *s2)
+int string_distance(const char *s1, const char *s2)
{
unsigned int s1_len = strlen(s1);
unsigned int s2_len = strlen(s2);
q[0] = p[0] + 1;
for (j = 1; j <= s2_len; j++) {
unsigned int sub = p[j - 1];
+ unsigned int pmin;
if (s1[i - 1] != s2[j - 1])
sub++;
- q[j] = min(p[j] + 1, min(q[j - 1] + 1, sub));
+ pmin = min(q[j - 1] + 1, sub);
+ q[j] = min(p[j] + 1, pmin);
}
r = p;
p = q;
return i;
}
+/*
+ * Make a guess of whether the distance from 's1' is significant enough
+ * to warrant printing the guess. We set this to a 1/2 match.
+ */
+int string_distance_ok(const char *opt, int distance)
+{
+ size_t len;
+
+ len = strlen(opt);
+ len = (len + 1) / 2;
+ return distance <= len;
+}
+
static struct fio_option *find_child(struct fio_option *options,
struct fio_option *o)
{
handle_option(o, o->def, data);
}
-void option_init(struct fio_option *o)
+static void option_init(struct fio_option *o)
{
- if (o->type == FIO_OPT_DEPRECATED)
+ if (o->type == FIO_OPT_DEPRECATED || o->type == FIO_OPT_UNSUPPORTED)
return;
+ if (o->name && !o->lname)
+ log_err("Option %s: missing long option name\n", o->name);
if (o->type == FIO_OPT_BOOL) {
o->minval = 0;
o->maxval = 1;
o->minfp = DBL_MIN;
o->maxfp = DBL_MAX;
}
- if (o->type == FIO_OPT_STR_SET && o->def) {
+ if (o->type == FIO_OPT_STR_SET && o->def && !o->no_warn_def) {
log_err("Option %s: string set option with"
" default will always be true\n", o->name);
}
- if (!o->cb && (!o->off1 && !o->roff1))
+ if (!o->cb && !o->off1)
log_err("Option %s: neither cb nor offset given\n", o->name);
if (!o->category) {
log_info("Option %s: no category defined. Setting to misc\n", o->name);
if (o->type == FIO_OPT_STR || o->type == FIO_OPT_STR_STORE ||
o->type == FIO_OPT_STR_MULTI)
return;
- if (o->cb && ((o->off1 || o->off2 || o->off3 || o->off4) ||
- (o->roff1 || o->roff2 || o->roff3 || o->roff4))) {
- log_err("Option %s: both cb and offset given\n", o->name);
- }
}
/*
}
}
+void options_mem_dupe(struct fio_option *options, void *data)
+{
+ struct fio_option *o;
+ char **ptr;
+
+ dprint(FD_PARSE, "dup options\n");
+
+ for (o = &options[0]; o->name; o++) {
+ if (o->type != FIO_OPT_STR_STORE)
+ continue;
+
+ ptr = td_var(data, o, o->off1);
+ if (*ptr)
+ *ptr = strdup(*ptr);
+ }
+}
+
void options_free(struct fio_option *options, void *data)
{
struct fio_option *o;
dprint(FD_PARSE, "free options\n");
for (o = &options[0]; o->name; o++) {
- if (o->type != FIO_OPT_STR_STORE || !o->off1)
+ if (o->type != FIO_OPT_STR_STORE || !o->off1 || o->no_free)
continue;
- ptr = td_var(data, o->off1);
+ ptr = td_var(data, o, o->off1);
if (*ptr) {
free(*ptr);
*ptr = NULL;