HTPC manager deamon

#!/bin/sh
#
# PROVIDE: HTPC manager
#
# Add the following lines to /etc/rc.conf.local or /etc/rc.conf or make a seperate script
# to enable this service:
#
# HTPC_manager_enable (bool):	Set to NO by default.
#			Set it to YES to enable it.
# HTPC_manager_user:  The user account HTPC manager daemon runs as what
#			you want it to be. It uses '_sabnzbd' user by
#			default. Do not sets it as empty or it will run
#			as root.
# HTPC_manager_dir:	Directory where HTPC manager lives.
#			Default: /usr/local/HTPC_manager
# HTPC_manager_chdir:  Change to this directory before running HTPC manager.
#     Default is same as HTPC_manager_dir.
# HTPC_manager_pid:  The name of the pidfile to create.
#     Default is htpc.pid in HTPC_manager_dir.

. /etc/rc.subr

name="HTPC_manager"
rcvar=${name}_enable

load_rc_config ${name}

: ${HTPC_manager_enable:="YES"}
: ${HTPC_manager_user:=""}
: ${HTPC_manager_dir:="/mnt/data/programs/manager"}
: ${HTPC_manager_chdir:="${HTPC_manager_dir}"}
: ${HTPC_manager_pid:="${HTPC_manager_dir}/htpc.pid"}
: ${HTPC_manager_conf:="${HTPC_manager_dir}/userdata/settings.conf"}

WGET="/usr/local/bin/wget" # You need wget for this script to safely shutdown CouchPotato.
if [ -e "${HTPC_manager_conf}" ]; then
        HOST=`grep -A14 "\[core\]" "${HTPC_manager_conf}"|egrep "^host"|perl -wple 's/^host = (.*)$/$1/'`
        PORT=`grep -A14 "\[core\]" "${HTPC_manager_conf}"|egrep "^port"|perl -wple 's/^port = (.*)$/$1/'`
        CPAPI=`grep -A14 "\[core\]" "${HTPC_manager_conf}"|egrep "^api_key"|perl -wple 's/^api_key = (.*)$/$1/'`
fi

status_cmd="${name}_status"
stop_cmd="${name}_stop"

command="/usr/sbin/daemon"
command_args="-f -p ${HTPC_manager_pid} python ${HTPC_manager_dir}/htpc.py ${HTPC_manager_flags}"

# Check for wget and refuse to start without it.
if [ ! -x "${WGET}" ]; then
  warn "HTPC manager not started: You need wget to safely shut down HTPC manager."
  exit 1
fi

# Ensure user is root when running this script.
if [ `id -u` != "0" ]; then
  echo "Oops, you should be root before running this!"
  exit 1
fi

verify_HTPC_manager_pid() {
    # Make sure the pid corresponds to the CouchPotato process.
    pid=`cat ${HTPC_manager_pid} 2>/dev/null`
    ps -p ${pid} | grep -q "python ${HTPC_manager_dir}/htpc.py"
    return $?
}

# Try to stop HTPC manager cleanly by calling shutdown over http.
couchpotato_stop() {
    if [ ! -e "${HTPC_manager_conf}" ]; then
        echo "HTPC manager settings file does not exist. Try starting HTPC manager, as this should create the file."
        exit 1
    fi
    echo "Stopping $name"
    verify_HTPC_manager_pid
    ${WGET} -O - -q "http://${HOST}:${PORT}/api/${CPAPI}/app.shutdown/" >/dev/null
    if [ -n "${pid}" ]; then
      wait_for_pids ${pid}
      echo "Stopped"
    fi
}

HTPC_manager_status() {
    verify_HTPC_manager_pid && echo "$name is running as ${pid}" || echo "$name is not running"
}

run_rc_command "$1"