net-www/squid/files/squid.rc6


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#!/sbin/runscript
# Copyright 1999-2004 Gentoo Technologies, Inc.
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/net-www/squid/files/squid.rc6,v 1.10 2004/03/19 01:32:29 woodchip Exp $

opts="${opts} reload"

depend() {
	need net
}

# Try to increase the # of filedescriptors we can open.
maxfds() {
	[ -n "$SQUID_MAXFD" ] || return
	[ -f /proc/sys/fs/file-max ] || return 0
	[ $SQUID_MAXFD -le 4096 ] || SQUID_MAXFD=4096
	global_file_max=`cat /proc/sys/fs/file-max`
	minimal_file_max=$(($SQUID_MAXFD + 4096))
	if [ "$global_file_max" -lt $minimal_file_max ]
	then
		echo $minimal_file_max > /proc/sys/fs/file-max
	fi
	ulimit -n $SQUID_MAXFD
}

checkconfig() {
	maxfds
	CACHE_SWAP=`sed -e 's/#.*//g' /etc/squid/squid.conf | \
		grep cache_dir | awk '{ print $3 }'`
	[ -z "$CACHE_SWAP" ] && CACHE_SWAP=/var/cache/squid
	umask 027
	for x in $CACHE_SWAP ; do
		if [ ! -d $x/00 ] ; then
			einfo "Initializing cache directory: $x"
			cd $x
			/usr/sbin/squid -z -F 2>/dev/null
			if [ $? -ne 0 ] ; then
				eerror "Error initializing: $x"
				return 1
			fi
		fi
	done
}

start() {
	checkconfig || return 1
	ebegin "Starting squid"
	start-stop-daemon --quiet --start --exec /usr/sbin/squid \
		--pidfile /var/run/squid.pid -- ${SQUID_OPTS} < /dev/null
	sleep 1
	eend $?
}

stop() {
	ebegin "Stopping squid"
	PID=`cat /var/run/squid.pid 2>/dev/null`
	start-stop-daemon --stop --quiet --exec /usr/sbin/squid \
		--pidfile /var/run/squid.pid
	# Now we have to wait until squid has _really_ stopped.
	sleep 2
	if test -n "$PID" && kill -0 $PID 2>/dev/null
	then
		einfon "Waiting ."
		cnt=0
		while kill -0 $PID 2>/dev/null
		do
			cnt=`expr $cnt + 1`
			if [ $cnt -gt 60 ]
			then
				# Waited 120 seconds now. Fail.
				eend 1 "Failed."
				break
			fi
			sleep 2
			echo -n "."
		done
		echo -n "done."
		eend 0
	else
		eend 0
	fi
}

reload() {
	checkconfig || return 1
	ebegin "Reloading squid"
	/usr/sbin/squid -k reconfigure
	eend $?
}