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#!/usr/bin/sh 
# -*- sh -*-

: << =cut

=head1 NAME

samba - Plugin to monitor number of files held open by the CIFS clients

=head1 CONFIGURATION

This plugin uses the following configuration variables

[samba]
  env.smbstatus      - Path to "smbstatus" executable
  env.ignoreipcshare - Set this variable to ignore IPC$ when counting shares.

=head1 AUTHOR

Unknown author

=head1 LICENSE

GPLv2

=head1 MAGIC MARKERS

#%# family=contrib
 #%# capabilities=autoconf

=cut

SMBSTATUS=${smbstatus:-`which smbstatus`}
SMBSTATUS=${SMBSTATUS:-/usr/bin/smbstatus}

if [ "$1" = "autoconf" ]; then
	if [ -x $SMBSTATUS ]; then
		echo yes
		exit 0
	else
		echo no '(smbstatus not found)'
		exit 0
	fi
fi

if [ "$1" = "config" ]; then

echo 'graph_title Samba status'
	echo 'graph_args -l 0'
	echo 'graph_vlabel number'
	echo 'graph_category samba'
	echo 'proc.label processes'
	echo 'lock.label locked files'
	echo 'share.label Open shares'
	# Bug pointed out by kozik: there is no max field.
	# echo 'max.warning 900'
	# echo 'max.critical 960'
	exit 0
fi

$SMBSTATUS -p 2>/dev/null | awk 'BEGIN {lines=0} $1 ~ /^[0-9]+/ {lines++} END {print "proc.value " lines}'
$SMBSTATUS -L 2>/dev/null | awk 'BEGIN {lines=0} $1 ~ /^[0-9]+/ {lines++} END {print "lock.value " lines}'
if [ -n "$ignoreipcshare" ]; then
	IGNORE='$1=="IPC$" {next}'
fi
$SMBSTATUS -S 2>/dev/null | awk '
BEGIN {lines=0;state=0}
$1=="Service"&&state==0 {state=1;next}
/^--*$/&&state==1 {state=2;next}
state<2 {next}
/^$/ {next}           
'"$IGNORE"'
{lines++}
END {print "share.value " lines}'

/home/../usr/src/../libexec/../src/../src/../src/../src/../src/../share/munin/plugins/samba