#!/bin/sh

#      Copyright (C) 2009-2010 Team XBMC
#      http://www.xbmc.org
#
#  This Program is free software; you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation; either version 2, or (at your option)
#  any later version.
#
#  This Program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
#  GNU General Public License for more details.
#
#  You should have received a copy of the GNU General Public License
#  along with XBMC; see the file COPYING.  If not, write to
#  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
#  http://www.gnu.org/copyleft/gpl.html

if which pulse-session; then
  XBMC="pulse-session xbmc --standalone \"$@\""
else
  XBMC="xbmc --standalone \"$@\""
fi

LOOP=1
CRASHCOUNT=0
LASTSUCCESSFULSTART=$(date +%s)

# Output warning in case ulimit is unsupported by shell
eval ulimit -c unlimited
if [ ! $? = "0" ]; then
  echo "xbmc-standalone: ulimit is unsupported by this shell" 1>&2
fi

while [ $(( $LOOP )) = "1" ]
do
  $XBMC
  RET=$?
  NOW=$(date +%s)
  if [ $(( ($RET >= 64 && $RET <=66) || $RET == 0 )) = "1" ]; then # clean exit
    LOOP=0
  else # crash
    DIFF=$((NOW-LASTSUCCESSFULSTART))
    if [ $(($DIFF > 60 )) = "1" ]; then # Not on startup, ignore
      LASTSUCESSFULSTART=$NOW
      CRASHCOUNT=0
    else # at startup, look sharp
      CRASHCOUNT=$((CRASHCOUNT+1))
      if [ $(($CRASHCOUNT >= 3)) = "1" ]; then # Too many, bail out
        LOOP=0
        echo "XBMC has exited uncleanly 3 times in the ${DIFF}s. Something is probably wrong"
      fi
    fi
  fi
done