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Allow interval and memunit cfg variables to be set to fractions.

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This commit is contained in:
Nick Mathewson 2009-07-15 10:02:49 -04:00
parent 72c5a46b43
commit d4b31cf98f
2 changed files with 43 additions and 15 deletions
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3
ChangeLog
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@ -32,6 +32,9 @@ Changes in version 0.2.2.1-alpha - 2009-??-??
connecting clients to disk every 24 hours. To enable this, run
configure with the --enable-entry-stats option, and set
"EntryStatistics 1" in your torrc.
- Time and memory units in the configuration file can now be set to
fractional units. For example, "2.5 MB" is now a valid value for
AccountingMax.
o Minor bugfixes
- Hidden service clients didn't use a cached service descriptor that

51
src/or/config.c
View File

@ -4791,29 +4791,54 @@ static struct unit_table_t time_units[] = {
static uint64_t
config_parse_units(const char *val, struct unit_table_t *u, int *ok)
{
uint64_t v;
char *cp;
uint64_t v = 0;
double d = 0;
int use_float = 0;
smartlist_t *sl;
tor_assert(ok);
sl = smartlist_create();
smartlist_split_string(sl, val, NULL, SPLIT_SKIP_SPACE|SPLIT_IGNORE_BLANK, 3);
v = tor_parse_uint64(val, 10, 0, UINT64_MAX, ok, &cp);
if (!*ok)
return 0;
if (!cp) {
*ok = 1;
return v;
if (smartlist_len(sl) < 1 || smartlist_len(sl) > 2) {
*ok = 0;
goto done;
}
while (TOR_ISSPACE(*cp))
++cp;
v = tor_parse_uint64(smartlist_get(sl,0), 10, 0, UINT64_MAX, ok, NULL);
if (!*ok) {
int r = sscanf(smartlist_get(sl,0), "%lf", &d);
if (r == 0 || d < 0)
goto done;
use_float = 1;
}
if (smartlist_len(sl) == 1) {
*ok = 1;
v = use_float ? DBL_TO_U64(d) : v;
goto done;
}
for ( ;u->unit;++u) {
if (!strcasecmp(u->unit, cp)) {
if (!strcasecmp(u->unit, smartlist_get(sl,1))) {
if (use_float)
v = u->multiplier * d;
else
v *= u->multiplier;
*ok = 1;
return v;
goto done;
}
}
log_warn(LD_CONFIG, "Unknown unit '%s'.", cp);
log_warn(LD_CONFIG, "Unknown unit '%s'.", (char*)smartlist_get(sl,1));
*ok = 0;
done:
SMARTLIST_FOREACH(sl, char *, cp, tor_free(cp));
smartlist_free(sl);
if (*ok)
return v;
else
return 0;
}