#include <string.h>
#include <errno.h>
#include <limits.h>
+#include <stdlib.h>
+#include <math.h>
+#include <float.h>
#include "parse.h"
+#include "debug.h"
+#include "options.h"
+#include "minmax.h"
+#include "lib/ieee754.h"
+
+static struct fio_option *__fio_options;
+
+static int vp_cmp(const void *p1, const void *p2)
+{
+ const struct value_pair *vp1 = p1;
+ const struct value_pair *vp2 = p2;
+
+ return strlen(vp2->ival) - strlen(vp1->ival);
+}
+
+static void posval_sort(struct fio_option *o, struct value_pair *vpmap)
+{
+ const struct value_pair *vp;
+ int entries;
+
+ memset(vpmap, 0, PARSE_MAX_VP * sizeof(struct value_pair));
+
+ for (entries = 0; entries < PARSE_MAX_VP; entries++) {
+ vp = &o->posval[entries];
+ if (!vp->ival || vp->ival[0] == '\0')
+ break;
+
+ memcpy(&vpmap[entries], vp, sizeof(*vp));
+ }
+
+ qsort(vpmap, entries, sizeof(struct value_pair), vp_cmp);
+}
+
+static void show_option_range(struct fio_option *o,
+ int (*logger)(const char *format, ...))
+{
+ if (o->type == FIO_OPT_FLOAT_LIST) {
+ if (o->minfp == DBL_MIN && o->maxfp == DBL_MAX)
+ return;
+
+ logger("%20s: min=%f", "range", o->minfp);
+ if (o->maxfp != DBL_MAX)
+ logger(", max=%f", o->maxfp);
+ logger("\n");
+ } else if (!o->posval[0].ival) {
+ if (!o->minval && !o->maxval)
+ return;
+
+ logger("%20s: min=%d", "range", o->minval);
+ if (o->maxval)
+ logger(", max=%d", o->maxval);
+ logger("\n");
+ }
+}
+
+static void show_option_values(struct fio_option *o)
+{
+ int i;
+
+ for (i = 0; i < PARSE_MAX_VP; i++) {
+ const struct value_pair *vp = &o->posval[i];
+
+ if (!vp->ival)
+ continue;
+
+ log_info("%20s: %-10s", i == 0 ? "valid values" : "", vp->ival);
+ if (vp->help)
+ log_info(" %s", vp->help);
+ log_info("\n");
+ }
+
+ if (i)
+ log_info("\n");
+}
+
+static void show_option_help(struct fio_option *o, int is_err)
+{
+ const char *typehelp[] = {
+ "invalid",
+ "string (opt=bla)",
+ "string (opt=bla)",
+ "string with possible k/m/g postfix (opt=4k)",
+ "string with time postfix (opt=10s)",
+ "string (opt=bla)",
+ "string with dual range (opt=1k-4k,4k-8k)",
+ "integer value (opt=100)",
+ "boolean value (opt=1)",
+ "list of floating point values separated by ':' (opt=5.9:7.8)",
+ "no argument (opt)",
+ "deprecated",
+ };
+ int (*logger)(const char *format, ...);
+
+ if (is_err)
+ logger = log_err;
+ else
+ logger = log_info;
+
+ if (o->alias)
+ logger("%20s: %s\n", "alias", o->alias);
+
+ logger("%20s: %s\n", "type", typehelp[o->type]);
+ logger("%20s: %s\n", "default", o->def ? o->def : "no default");
+ if (o->prof_name)
+ logger("%20s: only for profile '%s'\n", "valid", o->prof_name);
+ show_option_range(o, logger);
+ show_option_values(o);
+}
static unsigned long get_mult_time(char c)
{
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;
+ case 'm':
+ case 'M':
+ return 60;
+ case 'h':
+ case 'H':
+ return 60 * 60;
+ case 'd':
+ case 'D':
+ return 24 * 60 * 60;
+ default:
+ return 1;
}
}
-static unsigned long get_mult_bytes(char c)
+static int is_separator(char c)
{
switch (c) {
- case 'k':
- case 'K':
- return 1024;
- case 'm':
- case 'M':
- return 1024 * 1024;
- case 'g':
- case 'G':
- return 1024 * 1024 * 1024;
- default:
- return 1;
+ case ':':
+ case '-':
+ case ',':
+ case '/':
+ return 1;
+ default:
+ return 0;
}
}
+static unsigned long long __get_mult_bytes(const char *p, void *data,
+ int *percent)
+{
+ unsigned int kb_base = fio_get_kb_base(data);
+ unsigned long long ret = 1;
+ unsigned int i, pow = 0, mult = kb_base;
+ char *c;
+
+ if (!p)
+ return 1;
+
+ c = strdup(p);
+
+ for (i = 0; i < strlen(c); i++) {
+ c[i] = tolower(c[i]);
+ if (is_separator(c[i])) {
+ c[i] = '\0';
+ break;
+ }
+ }
+
+ if (!strncmp("pib", c, 3)) {
+ pow = 5;
+ mult = 1000;
+ } else if (!strncmp("tib", c, 3)) {
+ pow = 4;
+ mult = 1000;
+ } else if (!strncmp("gib", c, 3)) {
+ pow = 3;
+ mult = 1000;
+ } else if (!strncmp("mib", c, 3)) {
+ pow = 2;
+ mult = 1000;
+ } else if (!strncmp("kib", c, 3)) {
+ pow = 1;
+ mult = 1000;
+ } else if (!strncmp("p", c, 1) || !strncmp("pb", c, 2))
+ pow = 5;
+ else if (!strncmp("t", c, 1) || !strncmp("tb", c, 2))
+ pow = 4;
+ else if (!strncmp("g", c, 1) || !strncmp("gb", c, 2))
+ pow = 3;
+ else if (!strncmp("m", c, 1) || !strncmp("mb", c, 2))
+ pow = 2;
+ else if (!strncmp("k", c, 1) || !strncmp("kb", c, 2))
+ pow = 1;
+ else if (!strncmp("%", c, 1)) {
+ *percent = 1;
+ free(c);
+ return ret;
+ }
+
+ while (pow--)
+ ret *= (unsigned long long) mult;
+
+ free(c);
+ return ret;
+}
+
+static unsigned long long get_mult_bytes(const char *str, int len, void *data,
+ int *percent)
+{
+ const char *p = str;
+ int digit_seen = 0;
+
+ if (len < 2)
+ return __get_mult_bytes(str, data, percent);
+
+ /*
+ * Go forward until we hit a non-digit, or +/- sign
+ */
+ while ((p - str) <= len) {
+ if (!isdigit((int) *p) &&
+ (((*p != '+') && (*p != '-')) || digit_seen))
+ break;
+ digit_seen |= isdigit((int) *p);
+ p++;
+ }
+
+ if (!isalpha((int) *p) && (*p != '%'))
+ p = NULL;
+
+ return __get_mult_bytes(p, data, percent);
+}
+
+/*
+ * Convert string into a floating number. Return 1 for success and 0 otherwise.
+ */
+int str_to_float(const char *str, double *val)
+{
+ return (1 == sscanf(str, "%lf", val));
+}
+
/*
* convert string into decimal value, noting any size suffix
*/
-static int str_to_decimal(const char *str, long long *val, int kilo)
+int str_to_decimal(const char *str, long long *val, int kilo, void *data)
{
- int len;
+ int len, base;
len = strlen(str);
if (!len)
return 1;
- *val = strtoul(str, NULL, 10);
- if (*val == ULONG_MAX && errno == ERANGE)
+ 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)
- *val *= get_mult_bytes(str[len - 1]);
- else
+ if (kilo) {
+ unsigned long long mult;
+ int perc = 0;
+
+ mult = get_mult_bytes(str, len, data, &perc);
+ if (perc)
+ *val = -1ULL - *val;
+ else
+ *val *= mult;
+ } else
*val *= get_mult_time(str[len - 1]);
return 0;
}
-static int check_str_bytes(const char *p, long long *val)
+int check_str_bytes(const char *p, long long *val, void *data)
{
- return str_to_decimal(p, val, 1);
+ return str_to_decimal(p, val, 1, data);
}
-static int check_str_time(const char *p, long long *val)
+int check_str_time(const char *p, long long *val)
{
- return str_to_decimal(p, val, 0);
+ return str_to_decimal(p, val, 0, NULL);
}
void strip_blank_front(char **p)
{
char *s = *p;
- while (isspace(*s))
+ if (!strlen(s))
+ return;
+ while (isspace((int) *s))
s++;
+
+ *p = s;
}
void strip_blank_end(char *p)
{
- char *s = p + strlen(p) - 1;
+ char *start = p, *s;
- while (isspace(*s) || iscntrl(*s))
+ if (!strlen(p))
+ return;
+
+ s = strchr(p, ';');
+ if (s)
+ *s = '\0';
+ s = strchr(p, '#');
+ if (s)
+ *s = '\0';
+ if (s)
+ p = s;
+
+ s = p + strlen(p);
+ while ((isspace((int) *s) || iscntrl((int) *s)) && (s > start))
s--;
*(s + 1) = '\0';
}
-static int check_range_bytes(const char *str, long *val)
+static int check_range_bytes(const char *str, long *val, void *data)
{
- char suffix;
+ long long __val;
- if (!strlen(str))
- return 1;
-
- if (sscanf(str, "%lu%c", val, &suffix) == 2) {
- *val *= get_mult_bytes(suffix);
+ if (!str_to_decimal(str, &__val, 1, data)) {
+ *val = __val;
return 0;
}
- if (sscanf(str, "%lu", val) == 1)
- return 0;
-
return 1;
}
{
if (!strlen(p))
return 1;
- if (sscanf(p, "%u", val) == 1)
- return 0;
+ if (strstr(p, "0x") || strstr(p, "0X")) {
+ if (sscanf(p, "%x", val) == 1)
+ return 0;
+ } else {
+ if (sscanf(p, "%u", val) == 1)
+ return 0;
+ }
return 1;
}
-static struct fio_option *find_option(struct fio_option *options,
- const char *opt)
+static int opt_len(const char *str)
{
- struct fio_option *o = &options[0];
+ char *postfix;
- while (o->name) {
- if (!strcmp(o->name, opt))
- return o;
+ postfix = strchr(str, ':');
+ if (!postfix)
+ return strlen(str);
- o++;
- }
+ return (int)(postfix - str);
+}
- return NULL;
+static int str_match_len(const struct value_pair *vp, const char *str)
+{
+ return max(strlen(vp->ival), opt_len(str));
}
-#define val_store(ptr, val, off, data) \
+#define val_store(ptr, val, off, or, data) \
do { \
ptr = td_var((data), (off)); \
- *ptr = (val); \
+ if ((or)) \
+ *ptr |= (val); \
+ else \
+ *ptr = (val); \
} while (0)
static int __handle_option(struct fio_option *o, const char *ptr, void *data,
- int first, int more)
+ int first, int more, int curr)
{
- int il, *ilp;
+ int il=0, *ilp;
+ fio_fp64_t *flp;
long long ull, *ullp;
long ul1, ul2;
- char **cp;
+ double uf;
+ char **cp = NULL;
int ret = 0, is_time = 0;
+ const struct value_pair *vp;
+ struct value_pair posval[PARSE_MAX_VP];
+ int i, all_skipped = 1;
+
+ dprint(FD_PARSE, "__handle_option=%s, type=%d, ptr=%s\n", o->name,
+ o->type, ptr);
- if (!ptr && o->type != FIO_OPT_STR_SET) {
- fprintf(stderr, "Option %s requires an argument\n", o->name);
+ if (!ptr && o->type != FIO_OPT_STR_SET && o->type != FIO_OPT_STR) {
+ log_err("Option %s requires an argument\n", o->name);
return 1;
}
switch (o->type) {
- case FIO_OPT_STR: {
+ case FIO_OPT_STR:
+ case FIO_OPT_STR_MULTI: {
fio_opt_str_fn *fn = o->cb;
- ret = fn(data, ptr);
+ posval_sort(o, posval);
+
+ ret = 1;
+ for (i = 0; i < PARSE_MAX_VP; i++) {
+ vp = &posval[i];
+ if (!vp->ival || vp->ival[0] == '\0')
+ continue;
+ all_skipped = 0;
+ 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);
+ }
+ continue;
+ }
+ }
+
+ if (ret && !all_skipped)
+ show_option_values(o);
+ else if (fn)
+ ret = fn(data, ptr);
break;
}
case FIO_OPT_STR_VAL_TIME:
is_time = 1;
- case FIO_OPT_STR_VAL:
- case FIO_OPT_STR_VAL_INT: {
+ case FIO_OPT_INT:
+ case FIO_OPT_STR_VAL: {
fio_opt_str_val_fn *fn = o->cb;
+ char tmp[128], *p;
+
+ strncpy(tmp, ptr, sizeof(tmp) - 1);
+ p = strchr(tmp, ',');
+ if (p)
+ *p = '\0';
if (is_time)
- ret = check_str_time(ptr, &ull);
+ ret = check_str_time(tmp, &ull);
else
- ret = check_str_bytes(ptr, &ull);
+ ret = check_str_bytes(tmp, &ull, data);
+
+ dprint(FD_PARSE, " ret=%d, out=%llu\n", ret, ull);
if (ret)
break;
- if (o->maxval && ull > o->maxval)
- ull = o->maxval;
- if (o->minval && ull < o->minval)
- ull = o->minval;
+ if (o->maxval && ull > o->maxval) {
+ log_err("max value out of range: %llu"
+ " (%u max)\n", ull, o->maxval);
+ return 1;
+ }
+ if (o->minval && ull < o->minval) {
+ log_err("min value out of range: %llu"
+ " (%u min)\n", ull, o->minval);
+ return 1;
+ }
+ if (o->posval[0].ival) {
+ posval_sort(o, posval);
+
+ ret = 1;
+ for (i = 0; i < PARSE_MAX_VP; i++) {
+ vp = &posval[i];
+ if (!vp->ival || vp->ival[0] == '\0')
+ continue;
+ if (vp->oval == ull) {
+ ret = 0;
+ break;
+ }
+ }
+ if (ret) {
+ log_err("fio: value %llu not allowed:\n", ull);
+ show_option_values(o);
+ return 1;
+ }
+ }
if (fn)
ret = fn(data, &ull);
else {
- if (o->type == FIO_OPT_STR_VAL_INT) {
- if (first)
- val_store(ilp, ull, o->off1, data);
- if (!more && o->off2)
- val_store(ilp, ull, o->off2, data);
+ 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 (curr == 1) {
+ if (o->roff2)
+ *(unsigned int *) o->roff2 = ull;
+ else if (o->off2)
+ val_store(ilp, ull, o->off2, 0, data);
+ }
+ if (curr == 2) {
+ if (o->roff3)
+ *(unsigned int *) o->roff3 = ull;
+ else if (o->off3)
+ val_store(ilp, ull, o->off3, 0, data);
+ }
+ 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 (curr < 2) {
+ if (o->roff3)
+ *(unsigned int *) o->roff3 = ull;
+ else if (o->off3)
+ val_store(ilp, ull, o->off3, 0, data);
+ }
+ }
} else {
- if (first)
- val_store(ullp, ull, o->off1, data);
- if (!more && o->off2)
- val_store(ullp, ull, o->off2, data);
+ if (first) {
+ if (o->roff1)
+ *(unsigned long long *) o->roff1 = ull;
+ else
+ val_store(ullp, ull, o->off1, 0, data);
+ }
+ if (!more) {
+ if (o->roff2)
+ *(unsigned long long *) o->roff2 = ull;
+ else if (o->off2)
+ val_store(ullp, ull, o->off2, 0, data);
+ }
}
}
break;
}
- case FIO_OPT_STR_STORE:
- cp = td_var(data, o->off1);
- *cp = strdup(ptr);
+ case FIO_OPT_FLOAT_LIST: {
+ char *cp2;
+
+ if (first) {
+ /*
+ ** 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;
+
+ flp = td_var(data, o->off1);
+ for(i = 0; i < o->maxlen; i++)
+ flp[i].u.f = 0.0;
+ }
+ if (curr >= o->maxlen) {
+ log_err("the list exceeding max length %d\n",
+ o->maxlen);
+ return 1;
+ }
+ if (!str_to_float(ptr, &uf)) {
+ log_err("not a floating point value: %s\n", ptr);
+ return 1;
+ }
+ if (uf > o->maxfp) {
+ log_err("value out of range: %f"
+ " (range max: %f)\n", uf, o->maxfp);
+ return 1;
+ }
+ if (uf < o->minfp) {
+ log_err("value out of range: %f"
+ " (range min: %f)\n", uf, o->minfp);
+ return 1;
+ }
+
+ flp = td_var(data, o->off1);
+ flp[curr].u.f = uf;
+
+ dprint(FD_PARSE, " out=%f\n", uf);
+
+ /*
+ ** Calculate precision for output by counting
+ ** number of digits after period. Find first
+ ** period in entire remaining list each time
+ */
+ cp2 = strchr(ptr, '.');
+ if (cp2 != NULL) {
+ int len = 0;
+
+ while (*++cp2 != '\0' && *cp2 >= '0' && *cp2 <= '9')
+ len++;
+
+ ilp = td_var(data, 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);
+
+ *cp = strdup(ptr);
+ }
+
+ if (fn)
+ ret = fn(data, ptr);
+ else if (o->posval[0].ival) {
+ posval_sort(o, posval);
+
+ ret = 1;
+ for (i = 0; i < PARSE_MAX_VP; i++) {
+ vp = &posval[i];
+ if (!vp->ival || vp->ival[0] == '\0')
+ continue;
+ all_skipped = 0;
+ if (!strncmp(vp->ival, ptr, str_match_len(vp, ptr))) {
+ char *rest;
+
+ ret = 0;
+ if (vp->cb)
+ fn = vp->cb;
+ rest = strstr(*cp ?: ptr, ":");
+ if (rest) {
+ if (*cp)
+ *rest = '\0';
+ ptr = rest + 1;
+ } else
+ ptr = NULL;
+ break;
+ }
+ }
+ }
+
+ if (!all_skipped) {
+ if (ret && !*cp)
+ show_option_values(o);
+ else if (ret && *cp)
+ ret = 0;
+ else if (fn && ptr)
+ ret = fn(data, ptr);
+ }
+
break;
+ }
case FIO_OPT_RANGE: {
char tmp[128];
char *p1, *p2;
strncpy(tmp, ptr, sizeof(tmp) - 1);
+ /* Handle bsrange with separate read,write values: */
+ p1 = strchr(tmp, ',');
+ if (p1)
+ *p1 = '\0';
+
p1 = strchr(tmp, '-');
if (!p1) {
- ret = 1;
- break;
+ p1 = strchr(tmp, ':');
+ if (!p1) {
+ ret = 1;
+ break;
+ }
}
p2 = p1 + 1;
p1 = tmp;
ret = 1;
- if (!check_range_bytes(p1, &ul1) && !check_range_bytes(p2, &ul2)) {
+ if (!check_range_bytes(p1, &ul1, data) &&
+ !check_range_bytes(p2, &ul2, data)) {
ret = 0;
if (ul1 > ul2) {
unsigned long foo = ul1;
}
if (first) {
- val_store(ilp, ul1, o->off1, data);
- val_store(ilp, ul2, o->off2, data);
+ 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);
+ }
+ 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 (!more && o->off3 && o->off4) {
- val_store(ilp, ul1, o->off3, data);
- val_store(ilp, ul2, o->off4, data);
+ 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 (!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 (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);
+ }
+ }
}
}
break;
}
- case FIO_OPT_INT:
- case FIO_OPT_BOOL: {
+ case FIO_OPT_BOOL:
+ case FIO_OPT_STR_SET: {
fio_opt_int_fn *fn = o->cb;
- ret = check_int(ptr, &il);
+ if (ptr)
+ ret = check_int(ptr, &il);
+ else if (o->type == FIO_OPT_BOOL)
+ ret = 1;
+ else
+ il = 1;
+
+ dprint(FD_PARSE, " ret=%d, out=%d\n", ret, il);
+
if (ret)
break;
- if (o->maxval && il > (int) o->maxval)
- il = o->maxval;
- if (o->minval && il < o->minval)
- il = o->minval;
+ if (o->maxval && il > (int) o->maxval) {
+ log_err("max value out of range: %d (%d max)\n",
+ il, o->maxval);
+ return 1;
+ }
+ if (o->minval && il < o->minval) {
+ log_err("min value out of range: %d (%d min)\n",
+ il, o->minval);
+ return 1;
+ }
+
+ if (o->neg)
+ il = !il;
if (fn)
ret = fn(data, &il);
else {
- if (first)
- val_store(ilp, il, o->off1, data);
- if (!more && o->off2)
- val_store(ilp, il, o->off2, data);
+ if (first) {
+ if (o->roff1)
+ *(unsigned int *)o->roff1 = il;
+ else
+ val_store(ilp, il, o->off1, 0, data);
+ }
+ if (!more) {
+ if (o->roff2)
+ *(unsigned int *) o->roff2 = il;
+ else if (o->off2)
+ val_store(ilp, il, o->off2, 0, data);
+ }
}
break;
}
- case FIO_OPT_STR_SET: {
- fio_opt_str_set_fn *fn = o->cb;
-
- if (fn)
- ret = fn(data);
- else {
- if (first)
- val_store(ilp, 1, o->off1, data);
- if (!more && o->off2)
- val_store(ilp, 1, o->off2, data);
- }
+ case FIO_OPT_DEPRECATED:
+ log_info("Option %s is deprecated\n", o->name);
+ ret = 1;
break;
- }
default:
- fprintf(stderr, "Bad option type %u\n", o->type);
+ log_err("Bad option type %u\n", o->type);
ret = 1;
}
+ if (ret)
+ return ret;
+
+ if (o->verify) {
+ ret = o->verify(o, data);
+ if (ret) {
+ log_err("Correct format for offending option\n");
+ log_err("%20s: %s\n", o->name, o->help);
+ show_option_help(o, 1);
+ }
+ }
+
return ret;
}
-static int handle_option(struct fio_option *o, const char *ptr, void *data)
+static int handle_option(struct fio_option *o, const char *__ptr, void *data)
{
- const char *ptr2 = NULL;
- int r1, r2;
+ char *o_ptr, *ptr, *ptr2;
+ int ret, done;
+
+ dprint(FD_PARSE, "handle_option=%s, ptr=%s\n", o->name, __ptr);
+
+ o_ptr = ptr = NULL;
+ if (__ptr)
+ o_ptr = ptr = strdup(__ptr);
/*
- * See if we have a second set of parameters, hidden after a comma.
- * Do this before parsing the first round, to check if we should
+ * See if we have another set of parameters, hidden after a comma.
+ * Do this before parsing this round, to check if we should
* copy set 1 options to set 2.
*/
- if (ptr)
- ptr2 = strchr(ptr, ',');
+ done = 0;
+ ret = 1;
+ do {
+ int __ret;
+
+ ptr2 = NULL;
+ if (ptr &&
+ (o->type != FIO_OPT_STR_STORE) &&
+ (o->type != FIO_OPT_STR) &&
+ (o->type != FIO_OPT_FLOAT_LIST)) {
+ ptr2 = strchr(ptr, ',');
+ if (ptr2 && *(ptr2 + 1) == '\0')
+ *ptr2 = '\0';
+ if (o->type != FIO_OPT_STR_MULTI && o->type != FIO_OPT_RANGE) {
+ if (!ptr2)
+ ptr2 = strchr(ptr, ':');
+ if (!ptr2)
+ ptr2 = strchr(ptr, '-');
+ }
+ } else if (ptr && o->type == FIO_OPT_FLOAT_LIST) {
+ ptr2 = strchr(ptr, ':');
+ }
- /*
- * Don't return early if parsing the first option fails - if
- * we are doing multiple arguments, we can allow the first one
- * being empty.
- */
- r1 = __handle_option(o, ptr, data, 1, !!ptr2);
+ /*
+ * Don't return early if parsing the first option fails - if
+ * we are doing multiple arguments, we can allow the first one
+ * being empty.
+ */
+ __ret = __handle_option(o, ptr, data, !done, !!ptr2, done);
+ if (ret)
+ ret = __ret;
- if (!ptr2)
- return r1;
+ if (!ptr2)
+ break;
- ptr2++;
- r2 = __handle_option(o, ptr2, data, 0, 0);
+ ptr = ptr2 + 1;
+ done++;
+ } while (1);
- return r1 && r2;
+ if (o_ptr)
+ free(o_ptr);
+ return ret;
+}
+
+static struct fio_option *get_option(char *opt,
+ struct fio_option *options, char **post)
+{
+ struct fio_option *o;
+ char *ret;
+
+ ret = strchr(opt, '=');
+ if (ret) {
+ *post = ret;
+ *ret = '\0';
+ ret = opt;
+ (*post)++;
+ strip_blank_end(ret);
+ o = find_option(options, ret);
+ } else {
+ o = find_option(options, opt);
+ *post = NULL;
+ }
+
+ return o;
+}
+
+static int opt_cmp(const void *p1, const void *p2)
+{
+ struct fio_option *o;
+ char *s, *foo;
+ int prio1, prio2;
+
+ prio1 = prio2 = 0;
+
+ if (*(char **)p1) {
+ s = strdup(*((char **) p1));
+ o = get_option(s, __fio_options, &foo);
+ if (o)
+ prio1 = o->prio;
+ free(s);
+ }
+ if (*(char **)p2) {
+ s = strdup(*((char **) p2));
+ o = get_option(s, __fio_options, &foo);
+ if (o)
+ prio2 = o->prio;
+ free(s);
+ }
+
+ return prio2 - prio1;
+}
+
+void sort_options(char **opts, struct fio_option *options, int num_opts)
+{
+ __fio_options = options;
+ qsort(opts, num_opts, sizeof(char *), opt_cmp);
+ __fio_options = NULL;
}
int parse_cmd_option(const char *opt, const char *val,
o = find_option(options, opt);
if (!o) {
- fprintf(stderr, "Bad option %s\n", opt);
+ log_err("Bad option <%s>\n", opt);
return 1;
}
if (!handle_option(o, val, data))
return 0;
- fprintf(stderr, "fio: failed parsing %s=%s\n", opt, val);
+ log_err("fio: failed parsing %s=%s\n", opt, val);
return 1;
}
-int parse_option(const char *opt, struct fio_option *options, void *data)
+int parse_option(char *opt, const char *input,
+ struct fio_option *options, struct fio_option **o, void *data)
{
- struct fio_option *o;
- char *pre, *post;
- char tmp[64];
-
- strncpy(tmp, opt, sizeof(tmp) - 1);
-
- pre = strchr(tmp, '=');
- if (pre) {
- post = pre;
- *pre = '\0';
- pre = tmp;
- post++;
- o = find_option(options, pre);
- } else {
- o = find_option(options, tmp);
- post = NULL;
+ char *post;
+
+ if (!opt) {
+ log_err("fio: failed parsing %s\n", input);
+ *o = NULL;
+ return 1;
}
- if (!o) {
- fprintf(stderr, "Bad option %s\n", tmp);
+ *o = get_option(opt, options, &post);
+ if (!*o) {
+ if (post) {
+ int len = strlen(opt);
+ if (opt + len + 1 != post)
+ memmove(opt + len + 1, post, strlen(post));
+ opt[len] = '=';
+ }
return 1;
}
- if (!handle_option(o, post, data))
+ if (!handle_option(*o, post, data))
return 0;
- fprintf(stderr, "fio: failed parsing %s\n", opt);
+ log_err("fio: failed parsing %s\n", input);
return 1;
}
-static void show_option_range(struct fio_option *o)
+/*
+ * Option match, levenshtein distance. Handy for not quite remembering what
+ * the option name is.
+ */
+static int string_distance(const char *s1, const char *s2)
{
- if (!o->minval && !o->maxval)
- return;
+ unsigned int s1_len = strlen(s1);
+ unsigned int s2_len = strlen(s2);
+ unsigned int *p, *q, *r;
+ unsigned int i, j;
+
+ p = malloc(sizeof(unsigned int) * (s2_len + 1));
+ q = malloc(sizeof(unsigned int) * (s2_len + 1));
+
+ p[0] = 0;
+ for (i = 1; i <= s2_len; i++)
+ p[i] = p[i - 1] + 1;
- printf("%16s: min=%d, max=%d\n", "range", o->minval, o->maxval);
+ for (i = 1; i <= s1_len; i++) {
+ q[0] = p[0] + 1;
+ for (j = 1; j <= s2_len; j++) {
+ unsigned int sub = p[j - 1];
+
+ if (s1[i - 1] != s2[j - 1])
+ sub++;
+
+ q[j] = min(p[j] + 1, min(q[j - 1] + 1, sub));
+ }
+ r = p;
+ p = q;
+ q = r;
+ }
+
+ i = p[s2_len];
+ free(p);
+ free(q);
+ return i;
}
-static void show_option_values(struct fio_option *o)
+static struct fio_option *find_child(struct fio_option *options,
+ struct fio_option *o)
{
- const char *msg;
- int i = 0;
+ struct fio_option *__o;
+
+ for (__o = options + 1; __o->name; __o++)
+ if (__o->parent && !strcmp(__o->parent, o->name))
+ return __o;
- if (!o->posval)
+ return NULL;
+}
+
+static void __print_option(struct fio_option *o, struct fio_option *org,
+ int level)
+{
+ char name[256], *p;
+ int depth;
+
+ if (!o)
return;
+ if (!org)
+ org = o;
- do {
- msg = o->posval[i];
- if (!msg)
- break;
+ p = name;
+ depth = level;
+ while (depth--)
+ p += sprintf(p, "%s", " ");
- if (!i)
- printf("%16s: ", "valid values");
+ sprintf(p, "%s", o->name);
- printf("%s,", msg);
- i++;
- } while (1);
+ log_info("%-24s: %s\n", name, o->help);
+}
- if (i)
- printf("\n");
+static void print_option(struct fio_option *o)
+{
+ struct fio_option *parent;
+ struct fio_option *__o;
+ unsigned int printed;
+ unsigned int level;
+
+ __print_option(o, NULL, 0);
+ parent = o;
+ level = 0;
+ do {
+ level++;
+ printed = 0;
+
+ while ((__o = find_child(o, parent)) != NULL) {
+ __print_option(__o, o, level);
+ o = __o;
+ printed++;
+ }
+
+ parent = o;
+ } while (printed);
}
int show_cmd_help(struct fio_option *options, const char *name)
{
- int show_all = !strcmp(name, "all");
- struct fio_option *o = &options[0];
- const char *typehelp[] = {
- "string (opt=bla)",
- "string with possible k/m/g postfix (opt=4k)",
- "string with range and postfix (opt=1k-4k)",
- "string with time postfix (opt=10s)",
- "string (opt=bla)",
- "string with dual range (opt=1k-4k,4k-8k)",
- "integer value (opt=100)",
- "boolean value (opt=1)",
- "no argument (opt)",
- };
+ struct fio_option *o, *closest;
+ unsigned int best_dist = -1U;
int found = 0;
-
- while (o->name) {
- int match = !strcmp(name, o->name);
+ int show_all = 0;
+
+ if (!name || !strcmp(name, "all"))
+ show_all = 1;
+
+ closest = NULL;
+ best_dist = -1;
+ for (o = &options[0]; o->name; o++) {
+ int match = 0;
+
+ if (o->type == FIO_OPT_DEPRECATED)
+ continue;
+ if (!exec_profile && o->prof_name)
+ continue;
+ if (exec_profile && !(o->prof_name && !strcmp(exec_profile, o->prof_name)))
+ continue;
+
+ if (name) {
+ if (!strcmp(name, o->name) ||
+ (o->alias && !strcmp(name, o->alias)))
+ match = 1;
+ else {
+ unsigned int dist;
+
+ dist = string_distance(name, o->name);
+ if (dist < best_dist) {
+ best_dist = dist;
+ closest = o;
+ }
+ }
+ }
if (show_all || match) {
found = 1;
- printf("%16s: %s\n", o->name, o->help);
- if (match) {
- printf("%16s: %s\n", "type", typehelp[o->type]);
- printf("%16s: %s\n", "default", o->def ? o->def : "no default");
- show_option_range(o);
- show_option_values(o);
+ if (match)
+ log_info("%20s: %s\n", o->name, o->help);
+ if (show_all) {
+ if (!o->parent)
+ print_option(o);
+ continue;
}
}
- o++;
+ if (!match)
+ continue;
+
+ show_option_help(o, 0);
}
if (found)
return 0;
- printf("No such command: %s\n", name);
+ log_err("No such command: %s", name);
+
+ /*
+ * Only print an appropriately close option, one where the edit
+ * distance isn't too big. Otherwise we get crazy matches.
+ */
+ if (closest && best_dist < 3) {
+ log_info(" - showing closest match\n");
+ log_info("%20s: %s\n", closest->name, closest->help);
+ show_option_help(closest, 0);
+ } else
+ log_info("\n");
+
return 1;
}
*/
void fill_default_options(void *data, struct fio_option *options)
{
- struct fio_option *o = &options[0];
+ struct fio_option *o;
+
+ dprint(FD_PARSE, "filling default options\n");
- while (o->name) {
+ for (o = &options[0]; o->name; o++)
if (o->def)
handle_option(o, o->def, data);
- o++;
+}
+
+void option_init(struct fio_option *o)
+{
+ if (o->type == FIO_OPT_DEPRECATED)
+ return;
+ if (o->type == FIO_OPT_BOOL) {
+ o->minval = 0;
+ o->maxval = 1;
+ }
+ if (o->type == FIO_OPT_INT) {
+ if (!o->maxval)
+ o->maxval = UINT_MAX;
+ }
+ if (o->type == FIO_OPT_FLOAT_LIST) {
+ o->minfp = DBL_MIN;
+ o->maxfp = DBL_MAX;
+ }
+ if (o->type == FIO_OPT_STR_SET && o->def) {
+ log_err("Option %s: string set option with"
+ " default will always be true\n", o->name);
+ }
+ if (!o->cb && (!o->off1 && !o->roff1))
+ 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);
+ o->category = FIO_OPT_C_GENERAL;
+ o->group = FIO_OPT_G_INVALID;
+ }
+ 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);
}
}
/*
* Sanitize the options structure. For now it just sets min/max for bool
- * values.
+ * values and whether both callback and offsets are given.
*/
void options_init(struct fio_option *options)
{
- struct fio_option *o = &options[0];
+ struct fio_option *o;
+
+ dprint(FD_PARSE, "init options\n");
+
+ for (o = &options[0]; o->name; o++) {
+ option_init(o);
+ if (o->inverse)
+ o->inv_opt = find_option(options, o->inverse);
+ }
+}
+
+void options_free(struct fio_option *options, void *data)
+{
+ struct fio_option *o;
+ char **ptr;
+
+ dprint(FD_PARSE, "free options\n");
+
+ for (o = &options[0]; o->name; o++) {
+ if (o->type != FIO_OPT_STR_STORE || !o->off1)
+ continue;
- while (o->name) {
- if (o->type == FIO_OPT_BOOL) {
- o->minval = 0;
- o->maxval = 1;
+ ptr = td_var(data, o->off1);
+ if (*ptr) {
+ free(*ptr);
+ *ptr = NULL;
}
- o++;
}
}