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arp_ well-sorted

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This commit is contained in:
Martin Ness 2014-09-24 05:03:30 +02:00
parent 0d718aadc3
commit 3f0845af2b
1 changed files with 48 additions and 36 deletions
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84
plugins/network/arp_
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@ -8,6 +8,7 @@
# autoconf (optional)
#
# Made by Sven Hartge (sven AT svenhartge DOT de)
# change to iproute by Martin89 (martin AT martin89 DOT de)
#
#
@ -15,41 +16,52 @@
#%# family=contrib
#%# capabilities=autoconf suggest
INTERFACE=$(basename $0 | sed 's/^arp_//g' | tr '_' '.')
case "$1" in
autoconf)
# Search for ip
which ip >/dev/null 2>&1
if [ $? -ne 0 ]; then
echo "no (can't find ip binary)"
exit 1
fi
# ...or success
echo 'yes'
exit 0
;;
suggest)
if [ ! -r /proc/net/dev ]; then
exit 1
fi
awk '$1~ /^(eth|wlan|ath|ra)[0-9]+(\.[0-9]+)?/ { gsub(":", ""); gsub("\.", "_"); print $1 }' /proc/net/dev
exit 0
;;
config)
INTERFACE="$(basename $0 | sed 's/^arp_//g' | tr '_' '.')"
if [ -z "$INTERFACE" ]; then
exit 1
fi
echo "graph_title ARP/NDP entries for $INTERFACE"
cat <<'EOM'
graph_args --base 1000 -l 0
graph_vlabel Entries
graph_category network
graph_scale no
graph_info This graph shows the number of ARP and NDP entries for a interface.
entries4.label ARP entries
entries4.info Number of ARP entries
entries6global.label NDP global entries
entries6global.info Number of NDP entries for global IPv6 address
entries6local.label NDP local entries
entries6local.info Number of NDP entries for link-local IPv6 address (fe80::/64)
EOM
exit 0
;;
esac
if [ "$1" = "autoconf" ]; then
# Search for arp
which arp >/dev/null 2>/dev/null || (echo "no (can't find arp binary)" && exit 1)
# ...or success
echo yes
exit 0
INTERFACE="$(basename $0 | sed 's/^arp_//g' | tr '_' '.')"
if [ -z "$INTERFACE" ]; then
exit 1
fi
if [ "$1" = "suggest" ]; then
if [ -r /proc/net/dev ]; then
awk '$1~ /^(eth|wlan|ath|ra)[0-9]+(\.[0-9]+)?/ { gsub(":", ""); gsub("\.", "_"); print $1 }' /proc/net/dev
exit 0
else
exit 1
fi
fi
if [ "$1" = "config" ]; then
echo "graph_title ARP entries for $INTERFACE"
echo 'graph_args --base 1000 -l 0'
echo 'graph_vlabel Entries'
echo 'graph_category network'
echo 'graph_scale no'
echo "graph_info This graph shows the number of ARP entries registered by the system for interface ${INTERFACE}."
echo 'entries.label ARP entries'
echo 'entries.draw LINE2'
echo 'entries.type GAUGE'
echo 'entries.info Number of ARP entries'
exit 0
fi
arp -an -i "$INTERFACE" | awk 'BEGIN { regex="<incomplete>";} { if (!match($4,regex)) { a[$4] }} END{for(i in a){n++};print "entries.value " n}'
ip neigh show dev "$INTERFACE" | awk 'BEGIN { a=0; b=0; c=0 }
/(REACHABLE|DELAY|STALE)/ { if ($1~ /^fe80:/){c++} else{if ($1~ /^[0-9]+\./) {a++} else{b++} } }
END { print "entries4.value", a "\nentries6global.value", b, "\nentries6local.value", c }'