#!/bin/bash
QEMU="/home/paul/cvs/qemu/build/master/i386-softmmu/qemu"
#QEMU="/home/paul/cvs/qemu/x86_64-softmmu/qemu-system-x86_64"
#QEMU="qemu"

# new (nic,model=pcnet)
#TUNOPT="-net nic,macaddr=52:54:00:a2:e4:56 -net tap,script=/root/tun-up"
TUNSCRIPT=/root/tun-up

if [ $# -lt 1 -o ! -f "$1" ] ; then
	echo "Require argument to a definition file";
	exit 1;
fi

RUNBASE="/var/run/`basename ${1}`"
LOCKF="${RUNBASE}.pid"
VNCF="${RUNBASE}.vnc"

if [ -f "$LOCKF" ] ; then
	echo "lockfile, ${LOCKF}, exists - exiting";
	exit 1;
fi

. "$1"

shift

# defaults
RAM=${RAM:=64}
LISTEN=${LISTEN:=127.0.0.1}
NICE=${NICE:=10}
VLAN=${VLAN:=0}
KEYMAP=${KEYMAP:=en-gb}
KERNELKQEMU=${KERNELKQEMU:+-kernel-kqemu}

if [ -z "${VNC}" ] ; then
	if [ -n "${VNCDEV}" ] ; then
		echo "VNC is not set - ignoring VNCDEV!"
	fi
	# must be set..
	MONITOR=${MONITOR:?"Port for Qemu Monitor telnet interface required"}
	SERIAL=${SERIAL:?"Port for telnet <-> serial interface required"}
	
	MONITOR="-monitor telnet:${LISTEN}:${MONITOR},server,nowait"
	SERIAL="-serial telnet:${LISTEN}:${SERIAL},server,nowait"
	NOGRAPHIC="-nographic"
	VNC=""
else
	if [ -n "$MONITOR" -o -n "$SERIAL" ] ; then
		echo "VNC is set, ignoring MONITOR and SERIAL!"
	fi
	VNC="-vnc ${VNCDEV:-unix:${VNCF}} -usbdevice tablet"
	VNC="${VNC} -k ${KEYMAP}"
	NOGRAPHICS=""
	MONITOR=""
	SERIAL=""
fi

${NICE:+nice -n ${NICE}} ${QEMU} -m "$RAM" ${HDA:+-hda ${HDA}} \
       $NOGRAPHIC \
       ${MACADDR:+-net nic,macaddr=${MACADDR} -net tap,script=${TUNSCRIPT}} \
       $MONITOR $SERIAL $VNC \
       ${CPUS:+-smp ${CPUS}} \
       ${KERNELKQEMU} \
       -daemonize -pidfile "$LOCKF" $@