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-rw-r--r--parse.c1357
1 files changed, 0 insertions, 1357 deletions
diff --git a/parse.c b/parse.c
deleted file mode 100644
index 4d4fddde..00000000
--- a/parse.c
+++ /dev/null
@@ -1,1357 +0,0 @@
-/*
- * This file contains the ini and command liner parser main.
- */
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <ctype.h>
-#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 "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 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,
- size_t (*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",
- "unsupported",
- };
- size_t (*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 long get_mult_time(const char *str, int len,
- int is_seconds)
-{
- 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)
-{
- switch (c) {
- 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 kb_base is 1000, use true units.
- * If kb_base is 1024, use opposite units.
- */
- if (!strncmp("pib", c, 3)) {
- pow = 5;
- if (kb_base == 1000)
- mult = 1024;
- else if (kb_base == 1024)
- mult = 1000;
- } else if (!strncmp("tib", c, 3)) {
- pow = 4;
- if (kb_base == 1000)
- mult = 1024;
- else if (kb_base == 1024)
- mult = 1000;
- } else if (!strncmp("gib", c, 3)) {
- pow = 3;
- if (kb_base == 1000)
- mult = 1024;
- else if (kb_base == 1024)
- mult = 1000;
- } else if (!strncmp("mib", c, 3)) {
- pow = 2;
- if (kb_base == 1000)
- mult = 1024;
- else if (kb_base == 1024)
- mult = 1000;
- } else if (!strncmp("kib", c, 3)) {
- pow = 1;
- 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)) {
- 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);
-}
-
-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 is_time)
-{
-#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 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;
-
-#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
-
- 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;
- 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, is_seconds);
-
- return 0;
-}
-
-int check_str_bytes(const char *p, long long *val, void *data)
-{
- return str_to_decimal(p, val, 1, data, 0, 0);
-}
-
-int check_str_time(const char *p, long long *val, int is_seconds)
-{
- return str_to_decimal(p, val, 0, NULL, is_seconds, 1);
-}
-
-void strip_blank_front(char **p)
-{
- char *s = *p;
-
- if (!strlen(s))
- return;
- while (isspace((int) *s))
- s++;
-
- *p = s;
-}
-
-void strip_blank_end(char *p)
-{
- char *start = p, *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, void *data)
-{
- long long __val;
-
- if (!str_to_decimal(str, &__val, 1, data, 0, 0)) {
- *val = __val;
- return 0;
- }
-
- return 1;
-}
-
-static int check_int(const char *p, int *val)
-{
- if (!strlen(p))
- return 1;
- 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 size_t opt_len(const char *str)
-{
- char *postfix;
-
- postfix = strchr(str, ':');
- if (!postfix)
- return strlen(str);
-
- return (int)(postfix - str);
-}
-
-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, or, data, o) \
- do { \
- ptr = td_var((data), (o), (off)); \
- 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 curr)
-{
- int il=0, *ilp;
- fio_fp64_t *flp;
- long long ull, *ullp;
- long ul1, ul2;
- 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 && 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_MULTI: {
- fio_opt_str_fn *fn = o->cb;
-
- 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 (!ptr)
- break;
- if (!strncmp(vp->ival, ptr, str_match_len(vp, ptr))) {
- ret = 0;
- if (o->off1)
- val_store(ilp, vp->oval, o->off1, vp->orval, data, o);
- 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_INT:
- case FIO_OPT_STR_VAL: {
- 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, o->is_seconds);
- else
- ret = check_str_bytes(tmp, &ull, data);
-
- dprint(FD_PARSE, " ret=%d, out=%llu\n", ret, ull);
-
- 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"
- " (%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_INT) {
- if (first)
- val_store(ilp, ull, o->off1, 0, data, o);
- if (curr == 1) {
- if (o->off2)
- val_store(ilp, ull, o->off2, 0, data, o);
- }
- if (curr == 2) {
- if (o->off3)
- val_store(ilp, ull, o->off3, 0, data, o);
- }
- if (!more) {
- if (curr < 1) {
- if (o->off2)
- val_store(ilp, ull, o->off2, 0, data, o);
- }
- if (curr < 2) {
- if (o->off3)
- val_store(ilp, ull, o->off3, 0, data, o);
- }
- }
- } else {
- if (first)
- val_store(ullp, ull, o->off1, 0, data, o);
- if (!more) {
- if (o->off2)
- val_store(ullp, ull, o->off2, 0, data, o);
- }
- }
- }
- break;
- }
- 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
- */
- if (o->off2) {
- ul2 = 0;
- ilp = td_var(data, o, o->off2);
- *ilp = ul2;
- }
-
- flp = td_var(data, o, 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, 0)) { /* this breaks if we ever have lists of times */
- 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, 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++;
-
- 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 (!strlen(ptr))
- return 1;
-
- if (o->off1) {
- cp = td_var(data, o, 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' || !cp)
- 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;
-
- tmp[sizeof(tmp) - 1] = '\0';
- 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) {
- p1 = strchr(tmp, ':');
- if (!p1) {
- ret = 1;
- break;
- }
- }
-
- p2 = p1 + 1;
- *p1 = '\0';
- p1 = tmp;
-
- ret = 1;
- if (!check_range_bytes(p1, &ul1, data) &&
- !check_range_bytes(p2, &ul2, data)) {
- ret = 0;
- if (ul1 > ul2) {
- unsigned long foo = ul1;
-
- ul1 = ul2;
- ul2 = foo;
- }
-
- if (first) {
- val_store(ilp, ul1, o->off1, 0, data, o);
- val_store(ilp, ul2, o->off2, 0, data, o);
- }
- if (curr == 1) {
- 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->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->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->off5 && o->off6) {
- val_store(ilp, ul1, o->off5, 0, data, o);
- val_store(ilp, ul2, o->off6, 0, data, o);
- }
- }
- }
- }
-
- break;
- }
- case FIO_OPT_BOOL:
- case FIO_OPT_STR_SET: {
- fio_opt_int_fn *fn = o->cb;
-
- 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) {
- 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, 0, data, o);
- if (!more) {
- if (o->off2)
- val_store(ilp, il, o->off2, 0, data, o);
- }
- }
- break;
- }
- case FIO_OPT_DEPRECATED:
- log_info("Option %s is deprecated\n", o->name);
- ret = 1;
- break;
- default:
- 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)
-{
- 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 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.
- */
- 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.
- */
- __ret = __handle_option(o, ptr, data, !done, !!ptr2, done);
- if (ret)
- ret = __ret;
-
- if (!ptr2)
- break;
-
- ptr = ptr2 + 1;
- done++;
- } while (1);
-
- if (o_ptr)
- free(o_ptr);
- 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)
-{
- 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;
-}
-
-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 flist_head *dump_list)
-{
- struct fio_option *o;
-
- o = find_option(options, opt);
- if (!o) {
- log_err("Bad option <%s>\n", opt);
- return 1;
- }
-
- if (handle_option(o, val, data)) {
- 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 flist_head *dump_list)
-{
- char *post;
-
- if (!opt) {
- log_err("fio: failed parsing %s\n", input);
- *o = NULL;
- return 1;
- }
-
- *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)) {
- 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.
- */
-int string_distance(const char *s1, const char *s2)
-{
- 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;
-
- 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];
- unsigned int pmin;
-
- if (s1[i - 1] != s2[j - 1])
- sub++;
-
- pmin = min(q[j - 1] + 1, sub);
- q[j] = min(p[j] + 1, pmin);
- }
- r = p;
- p = q;
- q = r;
- }
-
- i = p[s2_len];
- free(p);
- free(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)
-{
- struct fio_option *__o;
-
- for (__o = options + 1; __o->name; __o++)
- if (__o->parent && !strcmp(__o->parent, o->name))
- return __o;
-
- 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;
-
- p = name;
- depth = level;
- while (depth--)
- p += sprintf(p, "%s", " ");
-
- sprintf(p, "%s", o->name);
-
- log_info("%-24s: %s\n", name, o->help);
-}
-
-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)
-{
- struct fio_option *o, *closest;
- unsigned int best_dist = -1U;
- int found = 0;
- 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;
- if (match)
- log_info("%20s: %s\n", o->name, o->help);
- if (show_all) {
- if (!o->parent)
- print_option(o);
- continue;
- }
- }
-
- if (!match)
- continue;
-
- show_option_help(o, 0);
- }
-
- if (found)
- return 0;
-
- 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;
-}
-
-/*
- * Handle parsing of default parameters.
- */
-void fill_default_options(void *data, struct fio_option *options)
-{
- struct fio_option *o;
-
- dprint(FD_PARSE, "filling default options\n");
-
- for (o = &options[0]; o->name; o++)
- if (o->def)
- handle_option(o, o->def, data);
-}
-
-static void option_init(struct fio_option *o)
-{
- 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;
- }
- 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 && !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)
- 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;
-}
-
-/*
- * Sanitize the options structure. For now it just sets min/max for bool
- * values and whether both callback and offsets are given.
- */
-void options_init(struct fio_option *options)
-{
- 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_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;
- 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;
-
- ptr = td_var(data, o, o->off1);
- if (*ptr) {
- free(*ptr);
- *ptr = NULL;
- }
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-26 18:30:30 +0000