pdvr

#! /bin/bash

COMMAND=$1

CWD=$( cd `dirname $0`; pwd )
if [ ! -f ${CWD}/config ]; then
  echo "Missing configuration: ${CWD}/config"
  exit 1
fi

. ${CWD}/config
. ${CWD}/core/utils

function is_running()
{
  local NAME=$1
  [ -f ${PIDS}/${NAME}.pid ] && [ -d /proc/`cat ${PIDS}/${NAME}.pid` ]
}

function stop()
{
  local NAME=$1
  if [ -f ${PIDS}/${NAME}.pid ]; then
    local PID=`cat ${PIDS}/${NAME}.pid`
    kill ${PID}
    sleep 1
  fi
}

function show_log()
{
  local NAME=$1

  [ -f ${LOG}/${NAME}.log ] && cat ${LOG}/${NAME}.log \
                            || echo "-- no log --"
}

function show_schedule()
{
  local MODE=$1
  local TIMESTAMP
  for TIMESTAMP in `ls ${SCHEDULE} | sort -n`; do
    [ ${MODE} -eq 0 ] && echo "${TIMESTAMP}  `format_schedule ${TIMESTAMP}`"
    [ ${MODE} -eq 1 ] && echo "${TIMESTAMP}|`cat ${SCHEDULE}/${TIMESTAMP}`"
  done

  [ ${MODE} -eq 0 ] && [ -z "${TIMESTAMP}" ] && echo "-- no schedule --"
}



case ${COMMAND} in

start)
  mkdir -p ${LOG}
  echo "Starting."
  if ! is_running scheduler-service; then
    bash `dirname $0`/core/pdvr-scheduler > ${LOG}/scheduler.log 2>&1 &
    disown $!
    sleep 1
  fi
  if ! is_running converter-service; then
    bash `dirname $0`/core/pdvr-converter > ${LOG}/converter.log 2>&1 &
    disown $!
    sleep 1
  fi
  if ! is_running epg-updater-service; then
    bash `dirname $0`/core/pdvr-epg-updater > ${LOG}/epg-updater.log 2>&1 &
    disown $!
    sleep 1
  fi

  is_running scheduler-service \
  && echo -n "[Running]" || echo -n "[Stopped]"
  echo " Scheduler"

  is_running converter-service \
  && echo -n "[Running]" || echo -n "[Stopped]"
  echo " Converter"

  is_running epg-updater-service \
  && echo -n "[Running]" || echo -n "[Stopped]"
  echo " EPG Updater"
  ;;

stop)
  echo "Stopping."
  is_running scheduler-service && stop scheduler-service
  is_running converter-service && stop converter-service
  is_running epg-updater-service && stop epg-updater-service

  is_running scheduler-service \
  && echo -n "[Running]" || echo -n "[Stopped]"
  echo " Scheduler"

  is_running converter-service \
  && echo -n "[Running]" || echo -n "[Stopped]"
  echo " Converter"

  is_running epg-updater-service \
  && echo -n "[Running]" || echo -n "[Stopped]"
  echo " EPG Updater"
  ;;

status)
  is_running scheduler-service \
  && echo -n "[Running]" || echo -n "[Stopped]"
  echo " Scheduler"

  is_running converter-service \
  && echo -n "[Running]" || echo -n "[Stopped]"
  echo " Converter"

  is_running epg-updater-service \
  && echo -n "[Running]" || echo -n "[Stopped]"
  echo " EPG Updater"

  if is_running record; then
    TIMESTAMP=`ls ${SCHEDULE} | sort -n | head -1`
    ENTRY=`cat ${SCHEDULE}/${TIMESTAMP}`
    TIME=`date -d @${TIMESTAMP}`
    DURATION=`echo "${ENTRY}" |cut -d"|" -f1`
    CHANNEL=`echo "${ENTRY}" |cut -d"|" -f2`
    NAME=`echo "${ENTRY}" |cut -d"|" -f3`
    UNTIL=$(( ${TIMESTAMP} + ${DURATION} ))
    UNTIL_TIME=`date +"%H:%M" -d @${UNTIL}`

    echo ""
    echo "[  Rec  ] ${NAME}  <${CHANNEL}>"
    echo "          Until ${UNTIL_TIME}"
  fi

  if is_running converter-service && ! is_running converter; then
    FILE=`ls -t ${EXPORTS}/*.mp4 2>/dev/null| head -1`
    SIZE=`stat -c %s "${FILE}"`
    echo ""
    echo "[Convert] `basename \"${FILE}\"` (${SIZE} Bytes)"
  fi
  ;;

record)
  if is_running scheduler-service; then
    bash `dirname $0`/core/pdvr-add "$2" "$3" "$4" "$5"
  else
    echo "The scheduler service is not running."
  fi
  ;;

cancel)
  bash `dirname $0`/core/pdvr-cancel $2
  ;;

show)
  show_schedule 0
  ;;

epg)
  CWD=`cd $(dirname $0); pwd`
  node `dirname $0`/core/js/epg-browser.js ${CWD}/`basename $0`
  ;;

get-epg)
  cat ${EPG}/epg.json
  ;;

get-channels)
  cat ${CHANNELS_CONF}
  ;;

get-recordings)
  show_schedule 1
  ;;

log)
  show_log $2
  ;;

*)
  echo "Pikku-DVR version 1.0rc - (c) 2019 Martin Grimme"
  echo ""
  echo "Usage: pdvr <command> [parameter ...]"
  echo ""
  echo "Commands:"
  echo ""
  echo "  start    Start the background services."
  echo ""
  echo "  stop     Stop the background services."
  echo ""
  echo "  status   Show the current status of the background services."
  echo ""
  echo "  log      Show the log."
  echo "           Parameters: <service>"
  echo "           <service> is one of: scheduler, converter, epg-updater"
  echo ""
  echo "  record   Schedule a recording."
  echo "           Parameters: <time> <duration> <channel> <name>"
  echo ""
  echo "  cancel   Cancel a recording."
  echo "           Parameters: <recording ID>"
  echo ""
  echo "  show     Show the scheduled recordings with their recording IDs."
  echo ""
  echo "  epg      Browse the electronic program guide."
  ;;

esac

true