startup

#!/bin/sh

export HERE=$(pwd)
export OS=$(cd $(dirname $0) && pwd)
export CONFDIR="$OS/conf"

die () {
  return_code=$1
  shift
  if [ $# -eq 0 ]; then
    echo "Impossible to continue" >&2
  else
    echo "$@" >&2
  fi
  exit $return_code
}

create_dir () {
  test -d "$1" && return 0
  echo "- create required directory $1"
  mkdir "$1" || die $?
}

delete_dir () {
  test -d "$1" || return 0
  echo "- delete directory $1"
  rm -rf "$1"
}


# get out public address (caching it)
iipf=/var/local/natloopback-ip
if [ -r $iipf ]; then
  SIM_ADDR=$(cat $iipf)
else
  SIM_ADDR=$(curl -s ifconfig.me)
  eho $SIM_ADDR > $iipf
fi
export SIM_ADDR


# read local configuration
. "$CONFDIR/opensim.conf" || die $? "Local configuration file '$CONFDIR/opensim.conf' is missing"
cd "$OS/bin" || die $? "No 'bin directory in opensim?"
test -f OpenSim.exe || die $? "Where is OpenSim? There is no OpenSim.exe in bin directory"

# default to public adress
test x"$SIM_HOST" = x && SIM_HOST="$SIM_ADDR"
# default to same host than simulator
test x"$GRID_HOST" = x && GRID_HOST="$SIM_HOST"
# default to simulator listener port
test x"$GRID_PUBLIC" = x && GRID_PUBLIC=$SIM_LSN
test x"$GRID_NAME" = x && GRID_NAME=Local

echo "Simulator settings:"
if [ $STANDALONE = true ]; then
  echo "- Mode: STANDALONE"
else
  echo "- Mode: GRID"
fi
echo "- Public address: $SIM_ADDR"
echo "- Public hostname: $SIM_HOST"
echo "- HTTP Listener: $SIM_LSN"
echo "Grid settings:"
echo "- Name: $GRID_NAME"
echo "- Public URL: ${GRID_SCHEME}://${GRID_HOST}:${GRID_PUBLIC}"
echo "- Private URL: ${GRID_SCHEME}://${GRID_HOST}:${GRID_PRIVATE}"

echo "Setup:"
# ensure the bin directory will not be touched (easy upgrade)
chmod -w .

#elete unneeded directories from OpenSim tarball
delete_dir ../addon-modules
delete_dir ../doc
delete_dir ../share
delete_dir ../ThirdPartyLicenses

if [ ! -f "$CONFDIR/Local.ini" ]; then
  echo "- generate default $CONFDIR/Local.ini"
  cat > "$CONFDIR/Local.ini" <<EOT
; generated by startup script. This will will be read after the main OpenSim.ini
; configuration file. Put in it anything you want to customize

EOT
fi

if [ ! -f "$CONFDIR/OpenSim.exe.config" ]; then
  echo "- copy default to $CONFDIR/OpenSim.exe.config"
  cp "$CONFDIR/OpenSim.exe.config.in" "$CONFDIR/OpenSim.exe.config"
fi

if [ ! -f "$CONFDIR/Grid.ini" ]; then
  echo "- copy default to $CONFDIR/Grid.ini"
  cp "$CONFDIR/Grid.ini.in" "$CONFDIR/Grid.ini"
fi

# create runtime directories
create_dir "$OS/db"
create_dir "$OS/regions"
create_dir "$OS/runtime"
create_dir "$OS/log"
create_dir "$CONFDIR/modules"

# mono oes not play well with some terminal types, we force XTERM
OLDTERM=$TERM
TERM=xterm

startup_file=OpenSimGrid.ini
test $STANDALONE = true && startup_file=OpenSimStandalone.ini

echo "Start OpenSim"
env LANG=C mono OpenSim.exe \
  -logconfig="$CONFDIR/OpenSim.exe.config" \
  -inifile="$CONFDIR/provided/$startup_file"

TERM=$OLDTERM
reset
cd $HERE