#! /bin/bash
# postinst script


# Criando script para criacao de bridges
cat << EOF > /etc/xen/scripts/network-bridge-custom
#! /bin/bash
dir=\$(dirname "\$0") 
EOF

eths=$(ifconfig -a | awk '/^eth/{print $1}')

cont=0
for eth in ${eths}
	do
	if [ $cont -eq 0 ]
		then
		list="${eth} ${eth} on"
	else
		list="${list} ${eth} ${eth} off"
	fi
	let cont++
done

iface=$(dialog --stdout --no-cancel --title "Orolix Alfa Xen configurator" --radiolist 'Selecione a interface para bridge externa:' 0 0 0 ${list})

cat << EOF >> /etc/xen/scripts/network-bridge-custom
"\$dir/network-bridge" "\$@" vifnum=0 netdev=${iface} bridge=xenbr0
EOF

dummies=$(dialog --stdout --no-cancel --title "Orolix Alfa Xen configurator" --inputbox 'Informe o numero de interfaces dummies: ' 0 0)

for ((dummy=1;dummy<=${dummies};dummy++))
	do
	cat << EOF >> /etc/xen/scripts/network-bridge-custom
"\$dir/network-bridge" "\$@" vifnum=${dummy} netdev=dummy${dummy} bridge=xenbr${dummy} 
EOF
done

chmod 755 /etc/xen/scripts/network-bridge-custom

if grep "^dummy" /etc/modules > /dev/null; then
    sed "s/^dummy.*$/dummy numdummies=$[(${dummies}+1)]/" /etc/modules > /tmp/modules
    mv /tmp/modules /etc/modules
else
    echo dummy numdummies=$[(${dummies}+1)] >> /etc/modules
fi

if grep "^netloop" /etc/modules > /dev/null; then
    sed "s/^netloop.*$/netloop nloopbacks=$[((${dummies}*3)+3)]/" /etc/modules > /tmp/modules
    mv /tmp/modules /etc/modules
else
    echo netloop nloopbacks=$[((${dummies}*3)+3)] >> /etc/modules
fi

update-rc.d -f xendomains remove 2>&1 > /dev/null
update-rc.d xendomains-ng start 21 2 3 4 5 . stop 21 0 1 6 . 2>&1 > /dev/null