#!/bin/bash
#
# warpmud startup script - 2002 Axel Trocha
#

cd /home/warp

while ( : ) do
  DATE=`date`
  
  #
  # we want cores!
  #
  ulimit -c unlimited

  mv log/syslog log/`date +%Y%m%d-%H%M%S`
  touch log/syslog

  ./mud_onboot

  #
  # new syslog-entry
  #
  echo "$DATE" >> log/syslog

  #
  # MUD binary copy-over!
  #
  rm code_upgrade 2>/dev/null
  if [ -r bin/circle1 ]; then
    cp bin/circle1 bin/circle -rf 2>/dev/null
    rm bin/circle1 2>/dev/null
    touch code_upgrade
  fi

  #
  # set a lock which will deleted, when the MUD is up - that enables us to
  # detect, if the MUD crashes before being compeltely up
  #
  touch starting
  rm shutdown 2>/dev/null
  
  #
  # lets start the mud
  #
  echo `date +%Y%m%d-%H%M` started >> uptime.log
  chgrp warphtml uptime.log
  sudo ./mud_renice &
  bin/circle 4000 >> log/syslog 2>&1

  #
  # seems we crashed in the beginning - lets exit and stop the looping
  #
  if [ -r starting ]; then
    echo `date +%Y%m%d-%H%M` nasty startup-crash -- exiting. >> uptime.log
    exit 1;
  fi

  #
  # shutdown
  #
  if [ -r shutdown ]; then
    echo `date +%Y%m%d-%H%M` shutdown >> uptime.log
    rm shutdown
    exit 1;
  fi

  #
  # was it reboot or crash?
  #
  if [ -r reboot ]; then
    echo `date +%Y%m%d-%H%M` rebooted by `cat reboot` >> uptime.log
    rm lib/core
  else
    echo `date +%Y%m%d-%H%M` crash! >> uptime.log
    if [ -r lib/core ]; then
      TIM=`date +%Y%m%d-%H%M`
      mkdir cores/$TIM
      mv lib/core cores/$TIM
      cp bin/circle cores/$TIM
      tail --lines 300 log/syslog > cores/$TIM/syslog
      cp etc/deb cores/$TIM
      chgrp warpsrc cores -R
      chmod g+r cores -R
    fi
  fi

  sleep 10
done