Init.d script for shadowsocks with local python client

sslocal

#!/bin/bash
# Author: lynnyq <lynnyq@gmail.com>
name=sslocal
BIN=/usr/local/bin/sslocal
conf=/etc/shadowsocks-libev/local.json

start(){
    $BIN -c $conf -d start
    RETVAL=$?
    if [ "$RETVAL" = "0" ]; then
        echo "$name start success"
    else
        echo "$name start failed"
    fi
}

stop(){
    pid=`ps -ef | grep -v grep | grep -i "${BIN}" | awk '{print $2}'`
    if [[ ! -z $pid ]]; then
        $BIN -c $conf -d stop
        RETVAL=$?
        if [ "$RETVAL" = "0" ]; then
            echo "$name stop success"
        else
            echo "$name stop failed"
        fi
    else
        echo "$name is not running"
        RETVAL=1
    fi
}

status(){
    pid=`ps -ef | grep -v grep | grep -i "${BIN}" | awk '{print $2}'`
    if [[ -z $pid ]]; then
        echo "$name is not running"
        RETVAL=1
    else
        echo "$name is running with PID $pid"
        RETVAL=0
    fi
}

case "$1" in
'start')
    start
    ;;
'stop')
    stop
    ;;
'status')
    status
    ;;
'restart')
    stop
    start
    RETVAL=$?
    ;;
*)
    echo "Usage: $0 { start | stop | restart | status }"
    RETVAL=1
    ;;
esac
exit $RETVAL