UOX3.org

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#!/bin/bash
#
# Init file for OpenSSH server daemon
#
# chkconfig: 3 90 10
# description: UOX3 Ultima Offline Experiment Emulator
#
# processname: uox3

. /etc/init.d/functions

UOXDIR=/opt/uox3/shard

# Probably don't need to change anything after this
BINNAME=uox3
BINFILEPATH=$UOXDIR$BINNAME
SCREENLOGFILE=$UOXDIR'screenlog.0'
USERNAME=uox3

exec_as_user() {
  if [ `whoami` == "$USERNAME" ]
  then
    bash -c "$1"
  else
    su $USERNAME -c "$1"
  fi
}

uox_start() {
  if pgrep -f $BINFILEPATH -u $USERNAME > /dev/null
  then
    echo "$BINNAME is already running!"
  else
    echo "Starting $BINNAME in a screen session named $BINNAME"
    cd $UOXDIR
    rm -rf $SCREENLOGFILE
    exec_as_user "screen -dmSL $BINNAME $BINFILEPATH"
    # Wait a bit so that the screenlog file exists
    sleep 2
    COUNTER=0
    while [ 1 -eq 1 ]; do
      grep "UOX: Startup Complete" $SCREENLOGFILE > /dev/null
      if [ $? -eq 0 -o $COUNTER -eq 12 ]
      then
        break
      fi
      sleep 5
      let $COUNTER+1
    done
    if [ $COUNTER -eq 12 ]
    then
      echo "Something went wrong starting $BINNAME. Nuking the universe and giving up"
      exec_as_user "screen -S $BINNAME -X quit"
      exit 1
    else
      exec_as_user "screen -p 0 -S $BINNAME -X eval \"stuff '*'\""
      echo "$BINNAME started successfully"
    fi
  fi
}

uox_stop() {
  if pgrep -f $BINFILEPATH -u $USERNAME > /dev/null
  then
    echo "Stopping $BINNAME"
    exec_as_user "screen -p 0 -S $BINNAME -X eval \"stuff 'Q'\""
    COUNTER=0
    while [ 1 -eq 1 ]; do
      grep "Exiting UOX with no errors..." $SCREENLOGFILE > /dev/null
      if [ $? -eq 0 -o $COUNTER -eq 12 ]
      then
        break
      fi
      sleep 5
      let $COUNTER+1
    done
    if [ $COUNTER -eq 12 ]
    then
      echo "Timed out (5 minutes) waiting for UOX to exit."
      exit 1
    else
      echo "$BINNAME stopped successfully"
    fi
  else
    echo "$BINNAME is not running!"
  fi
}

uox_world_backup() {
  if pgrep -f $BINFILEPATH -u $USERNAME > /dev/null
  then
    echo "Backing up World Files"
    exec_as_user "screen -p 0 -S $BINNAME -X eval \"stuff '@'\""
    COUNTER=0
    while [ 1 -eq 1 ]; do
      tail -10 $SCREENLOGFILE | grep "World save complete." > /dev/null
      if [ $? -eq 0 -o $COUNTER -lt 12 ]
      then
        break
      fi
      sleep 5
      let $COUNTER+1
    done
    if [ $COUNTER -eq 12 ]
    then
      echo "Timed out (5 minutes) waiting for UOX to finish World File backup."
      exit 1
    else
      echo "World File backup completed successfully"
    fi
  else
    echo "$BINNAME is not running!"
  fi
}

uox_status() {
  if pgrep -f $BINFILEPATH -u $USERNAME > /dev/null
  then
    echo "$BINNAME is running"
    exit 0
  else
    echo "$BINNAME is stopped"
    exit 3
  fi
}

case "$1" in
  start)
    uox_start
    ;;
  stop)
    uox_stop
    ;;
  status)
    uox_status
    ;;
  world_backup)
    uox_world_backup
    ;;
  *)
    echo "Usage: $0 {start|stop|status|world_backup}"
    exit 1
    ;;
esac

exit 0