Mark Saad 55942167de Updated to fix minor issues wiht minimunin and print 0's for empty (#6)
* Updated to fix minor issues wiht minimunin and print 0's for empty states

* Updated for minimunin

* Update tcpstates
2019-02-19 21:16:27 +01:00

118 lines
2.4 KiB
Bash
Executable File

#!/bin/sh
# -*- sh -*-
: << =cut
=head1 NAME
tcpstates - Plugin to monitor TCP socket states
=head1 CONFIGURATION
No configuration
=head1 AUTHOR
Babak Farrokhi
Modified by Mark Saad
=head1 LICENSE
BSD 2-Clause License
=head1 BUGS
=head1 MAGIC MARKERS
#%# family=auto
#%# capabilities=autoconf
=cut
. $MUNIN_LIBDIR/plugins/plugin.sh
print_cfg() {
fname=$1
fdesc=`echo $1 | tr [:lower:] [:upper:]`
echo "$fname.label $fdesc"
echo "$fname.min 0"
echo "$fname.max 50000"
echo "$fname.info The number of sockets in $fdesc state"
print_warning $fname
print_critical $fname
}
if [ "$1" = "autoconf" ]; then
if ( /usr/bin/netstat -s 2>/dev/null >/dev/null ); then
echo yes
exit 0
else
if [ $? -eq 127 ]
then
echo "no (netstat program not found)"
exit 0
else
echo no
exit 0
fi
fi
fi
if [ "$1" = "config" ]; then
echo 'graph_title TCP Socket States'
echo 'graph_args --base 1000'
echo 'graph_vlabel TCP states per ${graph_period}'
echo 'graph_category network'
echo 'graph_period second'
echo 'graph_info This graph shows the TCP activity of all the network interfaces combined.'
for f in syn_sent listen time_wait closing closed last_ack fin_wait_1 fin_wait_2 close_wait
do
print_cfg $f
done
exit 0
else
netstat -an -p tcp -f inet | awk '$NF ~ /[A-Z]/ {print $NF}'|awk '
BEGIN{
estab = "0";
syn_sent = "0";
listen = "0";
time_wait = "0";
closing = "0";
closed = "0";
last_ack = "0";
fin_wait_1 = "0";
fin_wait_2 = "0";
close_wait = "0";
}
/ESTABLISH/ { estab=estab+1 }
/SYN_SENT/ { syn_sent=syn_sent+1 }
/LISTEN/ { listen=listen+1 }
/TIME_WAIT/ { time_wait=time_wait+1 }
/CLOSING/ { closing=closing+1 }
/CLOSED/ { closed=closed+1 }
/LAST_ACK/ { last_ack=last_ack+1 }
/FIN_WAIT_1/ { fin_wait_1=fin_wait_1+1 }
/FIN_WAIT_2/ { fin_wait_2=fin_wait_2+1 }
/CLOSE_WAIT/ { close_wait=close_wait+1 }
END{
print "ESTABLISH.value " estab;
print "SYN_SENT.value " syn_send;
print "LISTEN.value " listen;
print "TIME_WAIT.value " time_wait;
print "CLOSING.value " closing;
print "CLOSED.value " closed;
print "LAST_ACK.value " last_ack;
print "FIN_WAIT_1.value " fin_wait_1;
print "FIN_WAIT_2.value " fin_wait_2;
print "CLOSE_WAIT.value " close_wait;
}
'
fi