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Make fast-retry more configurable and do exponential backoff.

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This commit is contained in:
Simon Kelley
2022-09-14 16:16:08 +01:00
parent 8f2d432799
commit 9a9f6e147c
5 changed files with 40 additions and 18 deletions
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30
src/option.c
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@@ -370,7 +370,7 @@ static const struct myoption opts[] =
{ "umbrella", 2, 0, LOPT_UMBRELLA },
{ "quiet-tftp", 0, 0, LOPT_QUIET_TFTP },
{ "port-limit", 1, 0, LOPT_RANDPORT_LIM },
{ "fast-dns-retry", 1, 0, LOPT_FAST_RETRY },
{ "fast-dns-retry", 2, 0, LOPT_FAST_RETRY },
{ "use-stale-cache", 0, 0 , LOPT_STALE_CACHE },
{ NULL, 0, 0, 0 }
};
@@ -3230,14 +3230,28 @@ static int one_opt(int option, char *arg, char *errstr, char *gen_err, int comma
}
case LOPT_FAST_RETRY:
{
int retry;
if (!atoi_check(arg, &retry) || retry < 500)
ret_err(gen_err);
daemon->fast_retry_time = retry;
break;
}
daemon->fast_retry_timeout = TIMEOUT;
if (!arg)
daemon->fast_retry_time = DEFAULT_FAST_RETRY;
else
{
int retry;
comma = split(arg);
if (!atoi_check(arg, &retry) || retry < 50)
ret_err(gen_err);
daemon->fast_retry_time = retry;
if (comma)
{
if (!atoi_check(comma, &retry))
ret_err(gen_err);
daemon->fast_retry_timeout = retry/1000;
}
}
break;
#ifdef HAVE_DHCP
case 'X': /* --dhcp-lease-max */
if (!atoi_check(arg, &daemon->dhcp_max))