#!/bin/sh
#uml-setup.sh
#
#This file does some setup required for running the unit tests under
#User Mode Linux (UML). If you are using a different test setup, it
#does not apply.

PROJ_DIR=$(dirname "$0")/..
PROJ_DIR=$(cd "$PROJ_DIR"; pwd)
ROOT_IMG=$PROJ_DIR/bin/cryptobox.img
TEST_IMG=$PROJ_DIR/bin/test.img
TEST_SIZE=128
MEM_SIZE=128M

if test ! -e "$ROOT_IMG"
  then	echo "Could not find the cryptobox system image ($ROOT_IMG)"
  		echo "	see stuff/uml-howto.txt for information on how to build a system image"
		echo "	store (or link) the result as '$ROOT_IMG'"
		exit 1
 fi

# Preparations:
#  echo "tun" >>/etc/modules
#  follow the instructions in /usr/share/doc/uml-utilities/README.Debian
#  add your user to the group 'uml-net'
#

/sbin/ifconfig tap0 &>/dev/null || { echo "tap0 is not configured - read /usr/share/doc/uml-utilities/README.Debian for hints"; exit 1; }


if [ ! -e "$TEST_IMG" ]
	then	echo "Creating testing image file ..."
			dd if=/dev/zero of="$TEST_IMG" bs=1M count=$TEST_SIZE
  fi

if [ ! -w "$ROOT_IMG" ]; then
	echo "Make sure \"${ROOT_IMG}\" exists and is writeable"
	exit 1;
fi
# "aio=2.4" is necessary, as otherwise sfdiks hangs at "nanosleep({3,0})"
linux ubd0="$ROOT_IMG" ubd1="$TEST_IMG" con=xterm hostfs=$PROJ_DIR fakehd eth0=daemon mem=$MEM_SIZE aio=2.4