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Add --min-cache-ttl option.

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This commit is contained in:
RinSatsuki
2015-01-10 15:22:21 +00:00
committed by Simon Kelley
parent 25cf5e373e
commit 28de38768e
6 changed files with 29 additions and 2 deletions
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11
src/option.c
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@@ -148,6 +148,7 @@ struct myoption {
#define LOPT_DNSSEC_TIME 336
#define LOPT_LOOP_DETECT 337
#define LOPT_IGNORE_ADDR 338
#define LOPT_MINCTTL 339
#ifdef HAVE_GETOPT_LONG
@@ -256,6 +257,7 @@ static const struct myoption opts[] =
{ "dhcp-broadcast", 2, 0, LOPT_BROADCAST },
{ "neg-ttl", 1, 0, LOPT_NEGTTL },
{ "max-ttl", 1, 0, LOPT_MAXTTL },
{ "min-cache-ttl", 1, 0, LOPT_MINCTTL },
{ "max-cache-ttl", 1, 0, LOPT_MAXCTTL },
{ "dhcp-alternate-port", 2, 0, LOPT_ALTPORT },
{ "dhcp-scriptuser", 1, 0, LOPT_SCRIPTUSR },
@@ -371,6 +373,8 @@ static struct {
{ 'T', ARG_ONE, "<integer>", gettext_noop("Specify time-to-live in seconds for replies from /etc/hosts."), NULL },
{ LOPT_NEGTTL, ARG_ONE, "<integer>", gettext_noop("Specify time-to-live in seconds for negative caching."), NULL },
{ LOPT_MAXTTL, ARG_ONE, "<integer>", gettext_noop("Specify time-to-live in seconds for maximum TTL to send to clients."), NULL },
{ LOPT_MAXCTTL, ARG_ONE, "<integer>", gettext_noop("Specify time-to-live ceiling for cache."), NULL },
{ LOPT_MINCTTL, ARG_ONE, "<integer>", gettext_noop("Specify time-to-live floor for cache."), NULL },
{ 'u', ARG_ONE, "<username>", gettext_noop("Change to this user after startup. (defaults to %s)."), CHUSER },
{ 'U', ARG_DUP, "set:<tag>,<class>", gettext_noop("Map DHCP vendor class to tag."), NULL },
{ 'v', 0, NULL, gettext_noop("Display dnsmasq version and copyright information."), NULL },
@@ -2457,6 +2461,7 @@ static int one_opt(int option, char *arg, char *errstr, char *gen_err, int comma
case 'T': /* --local-ttl */
case LOPT_NEGTTL: /* --neg-ttl */
case LOPT_MAXTTL: /* --max-ttl */
case LOPT_MINCTTL: /* --min-cache-ttl */
case LOPT_MAXCTTL: /* --max-cache-ttl */
case LOPT_AUTHTTL: /* --auth-ttl */
{
@@ -2467,6 +2472,12 @@ static int one_opt(int option, char *arg, char *errstr, char *gen_err, int comma
daemon->neg_ttl = (unsigned long)ttl;
else if (option == LOPT_MAXTTL)
daemon->max_ttl = (unsigned long)ttl;
else if (option == LOPT_MINCTTL)
{
if (ttl > TTL_FLOOR_LIMIT)
ttl = TTL_FLOOR_LIMIT;
daemon->min_cache_ttl = (unsigned long)ttl;
}
else if (option == LOPT_MAXCTTL)
daemon->max_cache_ttl = (unsigned long)ttl;
else if (option == LOPT_AUTHTTL)