polipo runscript for gentoo, supporting symlink name detected multiple service

polipo

#!/sbin/runscript
# Copyright 1999-2011 Gentoo Technologies, Inc.
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/net-proxy/polipo/files/polipo.initd,v 1.6 2011/12/31 21:11:37 idl0r Exp $

POLIPO=${SVCNAME#*.}
POLIPOCONF="/etc/polipo/${POLIPO}.conf"
if [ -n "$POLIPO" ] && [ $SVCNAME != "polipo" ]; then
  PIDFILE="/var/run/polipo.${POLIPO}.pid"
else
  PIDFILE="/var/run/polipo.pid"
fi


depend() {
  need net
}

checkconfig() {
  { polipo -v -c ${POLIPOCONF} || return 1 ; } | {
                                                   local retvalue=0
                                                     local name type value desc
                                                     while read name type value desc ; do
                                                       case ${name} in
                                                         configFile)
                                                         if [ "${value}" = "(none)" ] ; then
                                                           eerror "Unable to read configuration file /etc/polipo/config"
                                                             retvalue=1
                                                             fi
                                                             ;;
                                                   daemonise)
                                                     if [ "${value}" != "false" ] ; then
                                                       eerror "Configuration option not supported by this init script: ${name}=${value}"
                                                         retvalue=1
                                                         fi
                                                         ;;
                                                   pidFile)
                                                     if [ "${value}" != "(none)" ] ; then
                                                       eerror "Configuration option not supported by this init script: ${name}=${value}"
                                                         retvalue=1
                                                         fi
                                                         ;;
                                                   esac
                                                     done
                                                     return ${retvalue}
                                                 }
}

start() {
  checkconfig || return 1

    ebegin "Starting Polipo HTTP proxy"
    start-stop-daemon --start --user polipo \
    --background --pidfile ${PIDFILE} --make-pidfile \
    --exec /usr/bin/polipo -- -c $POLIPOCONF
    eend $?
}

stop() {
  ebegin "Stopping Polipo HTTP proxy"
    start-stop-daemon --stop --pidfile ${PIDFILE}
  eend $?
}