Révision 58c54d79
Minor tidy up and doc fixes
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#!/bin/sh |
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# |
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# tcp: Plugin to monitor IPV4/6 TCP socket status on a Linux host. |
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# |
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# License: GPLv2 |
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# |
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# Copyright 2009 Tim Small - tim@seoss.co.uk |
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# |
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# Parameters supported: |
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# |
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# config |
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# autoconf |
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# |
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# |
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# Magic markers? |
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#%# family=auto |
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#%# capabilities=autoconf suggest |
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: <<EOF |
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=head1 NAME |
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tcp - Plugin to monitor IPV4/6 TCP socket status on a Linux host. |
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=head1 AUTHOR |
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Copyright 2009 Tim Small <tim@seoss.co.uk> |
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=head1 LICENSE |
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GPLv2 |
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=begin comment |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; version 2 dated June, 1991. |
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This program is distributed in the hope that it will be useful, but |
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WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
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USA. |
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=end comment |
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=head1 MAGIC MARKERS |
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#%# family=manual |
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#%# capabilities=autoconf |
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=cut |
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EOF |
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case $1 in |
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config) |
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graph_args -l 0 |
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graph_info TCP socket states for the local machine |
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EOF |
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for i in established syn_sent syn_recv fin_wait1 fin_wait2 time_wait close close_wait last_ack listen closing |
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do |
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echo ${i}.label $i
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echo ${i}.draw LINE2
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echo ${i}.info Sockets in state $i
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done |
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for i in established syn_sent syn_recv fin_wait1 \ |
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fin_wait2 time_wait close close_wait last_ack \ |
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listen closing |
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do |
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echo ${i}.label $i
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echo ${i}.draw LINE2
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echo ${i}.info Sockets in state $i
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done |
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exit 0 |
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;; |
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;;
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autoconf) |
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if [ -f /proc/net/tcp -o -f /proc/net/tcp6 ] ; then |
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echo yes |
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exit 0 |
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else |
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echo no |
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exit 1 |
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fi |
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if [ -f /proc/net/tcp -o -f /proc/net/tcp6 ] |
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then |
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echo yes |
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exit 0 |
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else |
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echo no |
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exit 1 |
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fi |
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esac |
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# See #include <netinet/tcp.h> |
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cat /proc/net/tcp* | awk ' |
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BEGIN { STATE["01"]=STATE["02"]=STATE["03"]=STATE["04"]=STATE["05"]=STATE["06"]=STATE["07"]=STATE["08"]=STATE["09"]=STATE["0A"]=STATE["0B"]=0; }
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match ($4, /0[0-9A-B]/) { STATE[$4]++; }
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END { print "established.value " STATE["01"];
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print "syn_sent.value " STATE["02"]; |
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print "syn_recv.value " STATE["03"]; |
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print "fin_wait1.value " STATE["04"]; |
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print "fin_wait2.value " STATE["05"]; |
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print "time_wait.value " STATE["06"]; |
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print "close.value " STATE["07"]; |
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print "close_wait.value " STATE["08"]; |
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print "last_ack.value " STATE["09"]; |
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print "listen.value " STATE["0A"]; |
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print "closing.value " STATE["0B"]; |
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}' |
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match ($4, /0[0-9A-B]/) {
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STATE[$4]++; |
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} |
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END {
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printf "established.value %d\n", STATE["01"]; |
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printf "syn_sent.value %d\n", STATE["02"]; |
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printf "syn_recv.value %d\n", STATE["03"]; |
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printf "fin_wait1.value %d\n", STATE["04"]; |
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printf "fin_wait2.value %d\n", STATE["05"]; |
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printf "time_wait.value %d\n", STATE["06"]; |
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printf "close.value %d\n", STATE["07"]; |
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printf "close_wait.value %d\n", STATE["08"]; |
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printf "last_ack.value %d\n", STATE["09"]; |
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printf "listen.value %d\n", STATE["0A"]; |
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printf "closing.value %d\n", STATE["0B"]; |
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}' |
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