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fuzzy: misc cleanup

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This commit is contained in:
Jan Engelhardt
2008-08-31 17:27:15 -04:00
parent 003591fe6f
commit 75e9afbc4a
2 changed files with 50 additions and 82 deletions
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45
extensions/libxt_fuzzy.c
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@@ -18,16 +18,15 @@
static void fuzzy_mt_help(void)
{
printf(
"fuzzy v%s options:\n"
" --lower-limit number (in packets per second)\n"
" --upper-limit number\n"
,XTABLES_VERSION);
"fuzzy match options:\n"
" --lower-limit number (in packets per second)\n"
" --upper-limit number\n");
};
static struct option fuzzy_mt_opts[] = {
{ "lower-limit", 1 , 0 , '1' } ,
{ "upper-limit", 1 , 0 , '2' } ,
{ 0 }
static const struct option fuzzy_mt_opts[] = {
{.name = "lower-limit", .has_arg = true, .val = '1'},
{.name = "upper-limit", .has_arg = true, .val = '2'},
{NULL},
};
/* Initialize data structures */
@@ -39,7 +38,6 @@ static void fuzzy_mt_init(struct xt_entry_match *m)
* Default rates (I will improve this very soon with something based
* on real statistics of the running machine).
*/
info->minimum_rate = 1000;
info->maximum_rate = 2000;
}
@@ -51,49 +49,32 @@ static int fuzzy_mt_parse(int c, char **argv, int invert, unsigned int *flags,
const void *entry, struct xt_entry_match **match)
{
struct xt_fuzzy_mtinfo *info = (void *)(*match)->data;
uint32_t num;
switch (c) {
case '1':
if (invert)
exit_error(PARAMETER_PROBLEM,"Can't specify ! --lower-limit");
if (*flags & IPT_FUZZY_OPT_MINIMUM)
exit_error(PARAMETER_PROBLEM,"Can't specify --lower-limit twice");
if (string_to_number(optarg,1,FUZZY_MAX_RATE,&num) == -1 || num < 1)
exit_error(PARAMETER_PROBLEM,"BAD --lower-limit");
info->minimum_rate = num;
*flags |= IPT_FUZZY_OPT_MINIMUM;
break;
return true;
case '2':
if (invert)
exit_error(PARAMETER_PROBLEM,"Can't specify ! --upper-limit");
if (*flags & IPT_FUZZY_OPT_MAXIMUM)
exit_error(PARAMETER_PROBLEM,"Can't specify --upper-limit twice");
if (string_to_number(optarg,1,FUZZY_MAX_RATE,&num) == -1 || num < 1)
exit_error(PARAMETER_PROBLEM,"BAD --upper-limit");
info->maximum_rate = num;
*flags |= IPT_FUZZY_OPT_MAXIMUM;
break;
default:
return 0;
return true;
}
return 1;
return false;
}
static void fuzzy_mt_check(unsigned int flags)
@@ -105,18 +86,16 @@ static void fuzzy_mt_print(const void *ip, const struct xt_entry_match *match,
{
const struct xt_fuzzy_mtinfo *info = (const void *)match->data;
printf(" fuzzy: lower limit = %u pps - upper limit = %u pps ",info->minimum_rate,info->maximum_rate);
printf("fuzzy: lower limit = %u pps - upper limit = %u pps ",
info->minimum_rate, info->maximum_rate);
}
/* Saves the union ipt_targinfo in parsable form to stdout. */
static void fuzzy_mt_save(const void *ip, const struct xt_entry_match *match)
{
const struct xt_fuzzy_mtinfo *info = (const void *)match->data;
printf("--lower-limit %u ", info->minimum_rate);
printf("--upper-limit %u ", info->maximum_rate);
}
static struct xtables_match fuzzy_mt_reg = {