cyla

#!/sbin/runscript.sh

rtuser="$(echo ${BASH_SOURCE##*rtorrent_})"
rtuserid="$(getent passwd $rtuser | awk -F: '{ print $3 }')"
rthome="$(getent passwd $rtuser | awk -F: '{ print $6 }')"
rtconfig="${rthome}/.rtorrent.rc"
rtgconfig="/etc/rtorrent/rtorrent.rc"
rtoptions="-n -o import=${rtconfig} -o import=${rtgconfig}"
rtname="rTorrent for ${rtuser}"
rtscreenpath="$(which screen)"
rtscreenname="torrent"
rtpath="$(which rtorrent)"
rtpidfile="/var/run/rtorrent_${rtuser}"

getsession() {
    session="$(cat $1 | grep "^[[:space:]]*session[[:space:]]*=" | sed "s/^[[:space:]]*session[[:space:]]*=[[:space:]]*//")"
    session="$(echo ${session} | sed 's|~|'$2'|g')"
    echo $session
}

getsocket() {
    socket="$(cat $1 | grep "^[[:space:]]*scgi_local[[:space:]]*=" | sed "s/^[[:space:]]*scgi_local[[:space:]]*=[[:space:]]*//")"
    socket="$(echo ${socket} | sed 's|~|'$2'|g')"
    if [ -z ${socket} ] ; then
        echo false
    else
        echo $socket
    fi
}

checkuser() {
    if [ -z "$(getent passwd ${rtuser})" ] ; then
        eerror "User ${rtuser} does not exits."
        return 1
    fi
}

checkhome() {
    if ! [ -d $rthome ] ; then
        eerror "Home directory ${rthome} does not exist."
        return 1
    fi
}

checkconfig() {
    if ! [ -r "${rtconfig}" ] ; then
        eerror "Cannot find readable config ${rtconfig}."
        return 1
    fi
    if ! [ -r "${rtgconfig}" ] ; then
        eerror "Cannot find readable config ${rtgconfig}."
        return 1
    fi
    rtsession="$(getsession $rtgconfig $rthome)"
    if ! [ -d "${rtsession}" ] ; then
        eerror "Cannot find readable session directory ${rtsession} from configs ${rtgconfig}, ${rtconfig}."
        return 1
    fi
}

checkrunning() {
    session="$(getsession $rtgconfig $rthome)"
    echo $session
    if [ -s "${session}/rtorrent.lock" ] ; then
        pid="$(cat ${session}/rtorrent.lock | awk -F: '{print($2)}' | sed "s/[^0-9]//g")"
        echo $pid
        if ps -A | grep -sq "${pid}.*rtorrent" ; then
            eerror "${rtname} is already running"
            return 1
        else
            ewarn "Lock file has been found, but ${rtname} is not running...deleting lock file"
            rm -f ${session}/rtorrent.lock
        fi
    fi
}

checksocket() {
    socket="$(getsocket $rtgconfig $rthome)"
    if [ -S ${socket} ]; then
        ewarn "SCGI socket (${socket}) has been found, but rTorrent's not running...deleting socket file"
        rm -f ${socket}
    fi
}

preparescreen() {
    su -c "screen -ls | grep -sq '\.${rtscreenname}[[:space:]]' || screen -dmS ${rtscreenname} 2>&1 1>/dev/null" $rtuser
}

depend() {
    use net ypbind nis
    after slapd mysqld postgresql
}

start(){
        checkuser || return 1
    checkhome || return 1
        checkconfig || return 1
    checkrunning || return 1

    ebegin "Starting ${rtname}"

    checksocket
    preparescreen

    start-stop-daemon --start --verbose --chuid "${rtuser}" --chdir "${rthome}" --name rtorrent --env TERM="xterm" --exec /usr/bin/screen -- -S torrent -X screen /usr/bin/rtorrent

    eend $?
}

stop() {
    ebegin "Stopping ${rtname}"

    start-stop-daemon --stop --verbose --user "${rtuser}" --name rtorrent --signal 2

    eend $?
}