#include <string.h>
#include <errno.h>
#include <limits.h>
+#include <stdlib.h>
#include "parse.h"
#include "debug.h"
+static struct fio_option *fio_options;
+extern unsigned int fio_get_kb_base(void *);
+
static int vp_cmp(const void *p1, const void *p2)
{
const struct value_pair *vp1 = p1;
qsort(vpmap, entries, sizeof(struct value_pair), vp_cmp);
}
-static void show_option_range(struct fio_option *o)
+static void show_option_range(struct fio_option *o, FILE *out)
{
if (!o->minval && !o->maxval)
return;
- printf("%20s: min=%d, max=%d\n", "range", o->minval, o->maxval);
+ fprintf(out, "%20s: min=%d", "range", o->minval);
+ if (o->maxval)
+ fprintf(out, ", max=%d", o->maxval);
+ fprintf(out, "\n");
}
static void show_option_values(struct fio_option *o)
printf("\n");
}
+static void show_option_help(struct fio_option *o, FILE *out)
+{
+ const char *typehelp[] = {
+ "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)",
+ "no argument (opt)",
+ };
+
+ if (o->alias)
+ fprintf(out, "%20s: %s\n", "alias", o->alias);
+
+ fprintf(out, "%20s: %s\n", "type", typehelp[o->type]);
+ fprintf(out, "%20s: %s\n", "default", o->def ? o->def : "no default");
+ show_option_range(o, stdout);
+ show_option_values(o);
+}
+
static unsigned long get_mult_time(char c)
{
switch (c) {
}
}
-static unsigned long get_mult_bytes(char c)
+static unsigned long long get_mult_bytes(char c, void *data)
{
+ unsigned int kb_base = fio_get_kb_base(data);
+ unsigned long long ret = 1;
+
switch (c) {
- case 'k':
- case 'K':
- return 1024;
- case 'm':
- case 'M':
- return 1024 * 1024;
+ default:
+ break;
+ case 'p':
+ case 'P':
+ ret *= (unsigned long long) kb_base;
+ case 't':
+ case 'T':
+ ret *= (unsigned long long) kb_base;
case 'g':
case 'G':
- return 1024 * 1024 * 1024;
- case 'e':
- case 'E':
- return 1024 * 1024 * 1024 * 1024UL;
- default:
- return 1;
+ ret *= (unsigned long long) kb_base;
+ case 'm':
+ case 'M':
+ ret *= (unsigned long long) kb_base;
+ case 'k':
+ case 'K':
+ ret *= (unsigned long long) kb_base;
+ break;
}
+
+ return ret;
}
/*
* convert string into decimal value, noting any size suffix
*/
-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 = strtoll(str, NULL, 10);
+ 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) {
+ const char *p;
+ /*
+ * if the last char is 'b' or 'B', the user likely used
+ * "1gb" instead of just "1g". If the second to last is also
+ * a letter, adjust.
+ */
+ p = str + len - 1;
+ if ((*p == 'b' || *p == 'B') && isalpha(*(p - 1)))
+ --p;
+
+ *val *= get_mult_bytes(*p, data);
+ } else
*val *= get_mult_time(str[len - 1]);
return 0;
}
-static int check_str_bytes(const char *p, long long *val)
+static 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)
{
- return str_to_decimal(p, val, 0);
+ return str_to_decimal(p, val, 0, NULL);
}
void strip_blank_front(char **p)
void strip_blank_end(char *p)
{
- char *s;
+ char *start = p, *s;
s = strchr(p, ';');
if (s)
p = s;
s = p + strlen(p);
- while ((isspace(*s) || iscntrl(*s)) && (s > p))
+ while ((isspace(*s) || iscntrl(*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;
return 1;
if (sscanf(str, "%lu%c", val, &suffix) == 2) {
- *val *= get_mult_bytes(suffix);
+ *val *= get_mult_bytes(suffix, data);
return 0;
}
dprint(FD_PARSE, "__handle_option=%s, type=%d, ptr=%s\n", o->name,
o->type, ptr);
- if (!ptr && o->type != FIO_OPT_STR_SET) {
+ if (!ptr && o->type != FIO_OPT_STR_SET && o->type != FIO_OPT_STR) {
fprintf(stderr, "Option %s requires an argument\n", o->name);
return 1;
}
}
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;
if (is_time)
ret = check_str_time(ptr, &ull);
else
- ret = check_str_bytes(ptr, &ull);
+ ret = check_str_bytes(ptr, &ull, data);
if (ret)
break;
if (fn)
ret = fn(data, &ull);
else {
- if (o->type == FIO_OPT_STR_VAL_INT) {
+ if (o->type == FIO_OPT_INT) {
if (first)
val_store(ilp, ull, o->off1, data);
if (!more && o->off2)
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;
break;
}
- case FIO_OPT_INT:
case FIO_OPT_BOOL: {
fio_opt_int_fn *fn = o->cb;
ret = 1;
}
+ if (ret)
+ return ret;
+
+ if (o->verify) {
+ ret = o->verify(o, data);
+ if (ret) {
+ fprintf(stderr,"Correct format for offending option\n");
+ fprintf(stderr, "%20s: %s\n", o->name, o->help);
+ show_option_help(o, stderr);
+ }
+ }
+
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;
+ char *ptr, *ptr2 = NULL;
int r1, r2;
- dprint(FD_PARSE, "handle_option=%s, ptr=%s\n", o->name, ptr);
+ dprint(FD_PARSE, "handle_option=%s, ptr=%s\n", o->name, __ptr);
+
+ ptr = NULL;
+ if (__ptr)
+ ptr = strdup(__ptr);
/*
* See if we have a second set of parameters, hidden after a comma.
(o->type != FIO_OPT_STR_STORE) &&
(o->type != FIO_OPT_STR)) {
ptr2 = strchr(ptr, ',');
+ if (ptr2 && *(ptr2 + 1) == '\0')
+ *ptr2 = '\0';
if (!ptr2)
ptr2 = strchr(ptr, ':');
if (!ptr2)
*/
r1 = __handle_option(o, ptr, data, 1, !!ptr2);
- if (!ptr2)
+ if (!ptr2) {
+ if (ptr)
+ free(ptr);
return r1;
+ }
ptr2++;
r2 = __handle_option(o, ptr2, data, 0, 0);
+ if (ptr)
+ free(ptr);
return r1 && r2;
}
+static struct fio_option *get_option(const char *opt,
+ struct fio_option *options, char **post)
+{
+ struct fio_option *o;
+ char *ret;
+
+ ret = strchr(opt, '=');
+ if (ret) {
+ *post = ret;
+ *ret = '\0';
+ ret = (char *) 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 *o1, *o2;
+ char *s1, *s2, *foo;
+ int prio1, prio2;
+
+ s1 = strdup(*((char **) p1));
+ s2 = strdup(*((char **) p2));
+
+ o1 = get_option(s1, fio_options, &foo);
+ o2 = get_option(s2, fio_options, &foo);
+
+ prio1 = prio2 = 0;
+ if (o1)
+ prio1 = o1->prio;
+ if (o2)
+ prio2 = o2->prio;
+
+ free(s1);
+ free(s2);
+ 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,
struct fio_option *options, void *data)
{
o = find_option(options, opt);
if (!o) {
- fprintf(stderr, "Bad option %s\n", opt);
+ fprintf(stderr, "Bad option <%s>\n", opt);
return 1;
}
return 1;
}
+/*
+ * Return a copy of the input string with substrings of the form ${VARNAME}
+ * substituted with the value of the environment variable VARNAME. The
+ * substitution always occurs, even if VARNAME is empty or the corresponding
+ * environment variable undefined.
+ */
+static char *option_dup_subs(const char *opt)
+{
+ char out[OPT_LEN_MAX+1];
+ char in[OPT_LEN_MAX+1];
+ char *outptr = out;
+ char *inptr = in;
+ char *ch1, *ch2, *env;
+ ssize_t nchr = OPT_LEN_MAX;
+ size_t envlen;
+
+ in[OPT_LEN_MAX] = '\0';
+ strncpy(in, opt, OPT_LEN_MAX);
+
+ while (*inptr && nchr > 0) {
+ if (inptr[0] == '$' && inptr[1] == '{') {
+ ch2 = strchr(inptr, '}');
+ if (ch2 && inptr+1 < ch2) {
+ ch1 = inptr+2;
+ inptr = ch2+1;
+ *ch2 = '\0';
+
+ env = getenv(ch1);
+ if (env) {
+ envlen = strlen(env);
+ if (envlen <= nchr) {
+ memcpy(outptr, env, envlen);
+ outptr += envlen;
+ nchr -= envlen;
+ }
+ }
+
+ continue;
+ }
+ }
+
+ *outptr++ = *inptr++;
+ --nchr;
+ }
+
+ *outptr = '\0';
+ return strdup(out);
+}
+
int parse_option(const char *opt, struct fio_option *options, void *data)
{
struct fio_option *o;
- char *pre, *post;
- char *tmp;
-
- tmp = strdup(opt);
-
- 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, *tmp;
+ tmp = option_dup_subs(opt);
+
+ o = get_option(tmp, options, &post);
if (!o) {
- fprintf(stderr, "Bad option %s\n", tmp);
+ fprintf(stderr, "Bad option <%s>\n", tmp);
free(tmp);
return 1;
}
return i;
}
-static void show_option_help(struct fio_option *o)
-{
- 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)",
- };
-
- if (o->alias)
- printf("%20s: %s\n", "alias", o->alias);
-
- printf("%20s: %s\n", "type", typehelp[o->type]);
- printf("%20s: %s\n", "default", o->def ? o->def : "no default");
- show_option_range(o);
- show_option_values(o);
-}
-
static struct fio_option *find_child(struct fio_option *options,
struct fio_option *o)
{
if (!match)
continue;
- show_option_help(o);
+ show_option_help(o, stdout);
}
if (found)
if (closest) {
printf(" - showing closest match\n");
printf("%20s: %s\n", closest->name, closest->help);
- show_option_help(closest);
+ show_option_help(closest, stdout);
} else
printf("\n");
projects / fio.git / blobdiff