#!/bin/sh
#
# Copyright (C) 2006-2009 Benjamin Schweizer. All rights reserved.
#
#
# Abstract
# ~~~~~~~~
# munin plugin that logs active php sessions
#
# Authors
# ~~~~~~~
# Benjamin Schweizer, http://benjamin-schweizer.de/contact
#
# Changes
# ~~~~~~~
# 2009-01-07, benjamin: fixed file name expansion limit
# 2008-10-15, benjamin: added active sessions
# 2008-10-10, benjamin: forked from munin_squid_efficiency
# 2006-10-11, benjamin: initial release.
#
# Todo
# ~~~~
# - we'll see
#
#%# family=auto
#%# capabilities=autoconf


SESSION_DIR="/var/lib/php5/"

if [ "$1" = "autoconf" ]; then
    test -d "$SESSION_DIR" > /dev/null 2>&1
	if [ $? ]; then
		echo yes 
		exit 0
	else
		echo "no (session directory not found)"
		exit 1
	fi
fi

if [ "$1" = "config" ]; then
	echo 'graph_title PHP Sessions'
	echo 'graph_info This graph shows active PHP sessions.'
	echo 'graph_category apache'
	echo "graph_args --lower-limit 0"
	echo 'graph_vlabel n'

	echo 'sessions.label total sessions'
	echo 'sessions.draw AREA'
	echo 'asessions.label active sessions'
	echo 'asessions.draw AREA'

	exit 0
fi

ACTIVE_SESSIONS_NUM=`find $SESSION_DIR -name "sess_*" -amin -5 | wc -l`
TOTAL_SESSIONS_NUM=`find $SESSION_DIR -name "sess_*" | wc -l`

echo "sessions.value ${TOTAL_SESSIONS_NUM}"
echo "asessions.value ${ACTIVE_SESSIONS_NUM}"

# eof.