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Tim Small 2009-06-08 12:23:06 +02:00 • committed by Steve Schnepp
parent 9b1dc5e914
commit 9aa461b705
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plugins/other/tcp Executable file
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#!/bin/sh
#
# tcp: Plugin to monitor IPV4/6 TCP socket status on a Linux host.
#
# License: GPLv2
#
# Copyright 2009 Tim Small - tim@seoss.co.uk
#
# Parameters supported:
#
# config
# autoconf
#
#
# Magic markers?
#%# family=auto
#%# capabilities=autoconf suggest
case $1 in
config)
cat <<EOF
graph_title TCP
graph_vlabel TCP Sockets
graph_category network
graph_args -l 0
graph_info TCP socket states for the local machine
EOF
for i in established syn_sent syn_recv fin_wait1 fin_wait2 time_wait close close_wait last_ack listen closing
do
echo ${i}.label $i
echo ${i}.draw LINE2
echo ${i}.info Sockets in state $i
done
exit 0
;;
autoconf)
if [ -f /proc/net/tcp -o -f /proc/net/tcp6 ] ; then
echo yes
exit 0
else
echo no
exit 1
fi
esac
# See #include <netinet/tcp.h>
cat /proc/net/tcp* | awk '
BEGIN { STATE["01"]=STATE["02"]=STATE["03"]=STATE["04"]=STATE["05"]=STATE["06"]=STATE["07"]=STATE["08"]=STATE["09"]=STATE["0A"]=STATE["0B"]=0; }
match ($4, /0[0-9A-B]/) { STATE[$4]++; }
END { print "established.value " STATE["01"];
print "syn_sent.value " STATE["02"];
print "syn_recv.value " STATE["03"];
print "fin_wait1.value " STATE["04"];
print "fin_wait2.value " STATE["05"];
print "time_wait.value " STATE["06"];
print "close.value " STATE["07"];
print "close_wait.value " STATE["08"];
print "last_ack.value " STATE["09"];
print "listen.value " STATE["0A"];
print "closing.value " STATE["0B"];
}'