extra/vdrcommander


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#!/bin/bash

# vdr-commander 0.0.1 (start-script for VDR)
# by Marc Wernecke - www.zulu-entertainment.de
# 30.05.2007
VERSION="vdrcommander 0.0.1"

### Config ####################################################################################
SERVERIP=""
MAC=""
NONROOT="true"

### Arguments #################################################################################
[ -r $HOME/vdrcommander.conf ] && . $HOME/vdrcommander.conf
KILLVDR="false"
RUNVDR="false"

for i in $* ; do
  case $1 in
    --help|-h)
      echo "$VERSION"
      echo "--help|-h       Shows the help text and exit"
      echo "--nonroot|-n    Sets NONROOT flag"
      echo "--reset|-r      Remove the configuration file (\$HOME/vdrcommander.conf)"
      echo "--ip|-i [ip]    127.0.0.1 for localhost or any other ip for a vdr-server in your local-network"
      echo "--mac|-m        00:00:00:00:00:00"
      echo "--version|-v    Shows the script version and exit"
      exit 0
      ;;
    --nonroot|-n)
      NONROOT="true"
      ;;
    --reset|-R)
      if [ -f $HOME/vdrcommander.conf ]; then
        rm -f $HOME/vdrcommander.conf
        SERVERIP=
        MAC=
      fi
      ;;
    --killvdr|-k)
      KILLVDR="true"
      ;;
    --runvdr|-r)
      RUNVDR="true"
      ;;
    --ip|-i)
      shift 1
      SERVERIP="$1"
      ;;
    --mac|-m)
      shift 1
      MAC="$1"
      ;;
    --version|-v)
      echo "$VERSION"
      exit 0
      ;;
  esac
  shift 1
done

if [ -n "`ps x --user root | grep "/usr/.*bin/X.*:0" | grep -v grep`" ]; then   # X is running
  DIALOG="Xdialog"
  d_args="--left --wrap"
  d_size="0 0"
else
  DIALOG="dialog"
  d_args=""
  d_size="19 70"
fi


### Functions #################################################################################
function _exit() {
  case $1 in
    0) exit 0
      ;;
    1) exit 1
      ;;
    2) exit 2
      ;;
  esac
  exit 0
}

function _suonly() {
 [ "$NONROOT" = "true" ] && return 0
  # superuser only
  SU=$(which kanotix-su)
  [ -n "$SU" ] || SU=$(which su-me)
  if [ "`id -u`" != "0" ] && [ -n "$SU" ]; then
    exec $SU $0 $ARGS || _exit 1
    _exit 0
  else
    return 2
#   _exit 2
  fi
  return 0
}

function _vdr() {
  # Check if VDR is running
  [ `ps -C vdr | grep -cw "vdr"` -eq 0 ] && return 1
  return 0
}

function _serverip() {
  SERVERIP=`$DIALOG $d_args --title " $VERSION " --inputbox "VDR-Server IP" 10 50 "$SERVERIP" 3>&1 1>&2 2>&3`
  [ $? != 0 ] && return 1
  [ "$SERVERIP" = "" ] && return 1
  echo "SERVERIP=$SERVERIP" >> $HOME/vdrcommander.conf
  return 0
}

function _mac() {
  MAC=`$DIALOG $d_args --title " $VERSION " --inputbox "VDR-Server MAC" 10 50 "$MAC" 3>&1 1>&2 2>&3`
  [ $? != 0 ] && return 1
  [ "$MAC" = "" ] && return 1
  echo "MAC=$MAC" >> $HOME/vdrcommander.conf
  return 0
}

function _ping() {
  [ -n "$SERVERIP" ] || return 2
#  $DIALOG $d_args --title " $VERSION " --infobox "Sende ping zu VDR-Server ($SERVERIP)" $d_size &
  ping -c1 $SERVERIP > /dev/null || return 1
  return 0
}

function _wakeonlan() {
  [ -n "$SERVERIP" ] || _serverip
  [ -n "$MAC" ] || _mac
  _ping && return 0
  $DIALOG $d_args --title " $VERSION " --infobox "Wecke VDR-Server ($MAC)" $d_size &
  wakeonlan $MAC || return 1
  STATUS="VDR-Server wurde gestartet"
  return 0
}

function _runvdr() {
  ARGS="--runvdr"
  _suonly
  _vdr || runvdr > /dev/null &
  STATUS="VDR wurde gestartet"
}

function _killvdr() {
  ARGS="--killvdr"
  _suonly
  _vdr || return 0
  vdrplayer --exit
  killall -9 runvdr
  killall -9 vdr
  STATUS="VDR wurde beendet"
}

function _status() {
  USER=`id -un`
  if [ -z "$STATUS" ]; then
    STATUS="VDR ist aktiv"
    _vdr || STATUS="VDR ist nicht aktiv"
  fi
  _ping && STATUS="$STATUS \nServer ist online ($SERVERIP)"
}

function _vdrversion() {
  if [ "$DIALOG" = "Xdialog" ]; then
    vdr --version > /tmp/vdrversion.txt
    $DIALOG $d_args --title " $VERSION " --no-cancel --textbox "/tmp/vdrversion.txt" $d_size
  else
    VDRVERSION=$(vdr --version)
    $DIALOG $d_args --title " $VERSION " --msgbox "$VDRVERSION" $d_size
  fi
}


### Main Script ###############################################################################
# superuser only
_suonly
NONROOT="false"
[ "$KILLVDR" = "true" ] && _killvdr
[ "$RUNVDR" = "true" ] && _runvdr
[ -n "$SERVERIP" ] && $DIALOG $d_args --title " $VERSION " --infobox "Sende ping zu VDR-Server ($SERVERIP)" $d_size &

# Dialog
while true; do
  _status
  option=`$DIALOG $d_args --title " $VERSION" --menu \
  "Benutzer ist \"$USER\" \n$STATUS" $d_size 10 \
  '0' 'Anzeige aktualisieren' \
  '1' 'VDR starten' \
  '2' 'VDR beenden' \
  '3' 'VDR Player aufrufen' \
  '4' 'Server aufwecken' \
  '5' 'x-vdr aufrufen' \
  '6' 'VDR-Version anzeigen' 3>&1 1>&2 2>&3`
  [ $? != 0 ] && _exit 1
  ARGS=""
  STATUS=""

  case $option in
    1) _runvdr ;;
    2) _killvdr ;;
    3) vdrplayer & ;;
    4) _wakeonlan ;;
    5) x-vdr -x & ;;
    6) _vdrversion ;;
  esac
done

_exit 0