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MFC: r203919: Show when an ARP entry expires (now that this info

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cannot be obtained with netstat(1)).
This commit is contained in:
Ruslan Ermilov 2010-02-22 16:00:55 +00:00
parent 8d0a84b1d4
commit 9cdec2ba0e
1 changed files with 11 additions and 1 deletions
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12
usr.sbin/arp/arp.c
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@ -101,7 +101,8 @@ static int valid_type(int type);
static int nflag; /* no reverse dns lookups */
static char *rifname;
static int expire_time, flags, doing_proxy, proxy_only;
static time_t expire_time;
static int flags, doing_proxy, proxy_only;
/* which function we're supposed to do */
#define F_GET 1
@ -594,6 +595,15 @@ print_entry(struct sockaddr_dl *sdl,
printf(" on %s", ifname);
if (rtm->rtm_rmx.rmx_expire == 0)
printf(" permanent");
else {
static struct timeval tv;
if (tv.tv_sec == 0)
gettimeofday(&tv, 0);
if ((expire_time = rtm->rtm_rmx.rmx_expire - tv.tv_sec) > 0)
printf(" expires in %d seconds", (int)expire_time);
else
printf(" expired");
}
if (addr->sin_other & SIN_PROXY)
printf(" published (proxy only)");
if (rtm->rtm_flags & RTF_ANNOUNCE)