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| author | Ruslan Ermilov <ru@FreeBSD.org> | 2010-02-15 14:29:17 +0000 |
|---|---|---|
| committer | Ruslan Ermilov <ru@FreeBSD.org> | 2010-02-15 14:29:17 +0000 |
| commit | 929683056e3a066013eca29ebc227072e6a24b61 (patch) | |
| tree | 041ff7daaf7a41f0be203c1ed3527961b47c9681 /usr.sbin/arp | |
| parent | 96aad9c0130e17369b954792ea207d6119fdbb52 (diff) | |
| download | src-test2-929683056e3a066013eca29ebc227072e6a24b61.tar.gz src-test2-929683056e3a066013eca29ebc227072e6a24b61.zip | |
Show when an ARP entry expires.
MFC after: 1 week
Notes
Notes:
svn path=/head/; revision=203919
Diffstat (limited to 'usr.sbin/arp')
| -rw-r--r-- | usr.sbin/arp/arp.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/usr.sbin/arp/arp.c b/usr.sbin/arp/arp.c index 61427d34c81f..a0e228ce3656 100644 --- a/usr.sbin/arp/arp.c +++ b/usr.sbin/arp/arp.c @@ -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) |