#!/bin/sh
### BEGIN INIT INFO
# Provides:
# Short-Description: Network bonding support
# Description:       Enable bonding support as configured by user
### END INIT INFO

. /opt/wz_mini/etc/rc.common
. /opt/wz_mini/wz_mini.conf

bonding_setup() {

	echo "#####$(basename "$0")#####"

	echo "waiting until wlan0 is up with the modified HWaddr"
	wait_for_wlan_wpa $(basename "$0")

	##Fool iCamera by renaming the hardline interface to wlan0

	## $1 Bonding Interface, $2 Primary Interface, $3 Secondary Interface
	echo "renaming interfaces"

	#Prevent iCamera from cycling the wlan0 interface
	mount --bind /opt/wz_mini/usr/bin/restart_wlan0.sh /system/bin/restart_wlan0.sh

	# Bring all interfaces down
	ifconfig bond0 down
	ifconfig $BONDING_PRIMARY_INTERFACE down
	ifconfig $BONDING_SECONDARY_INTERFACE down

	# Have to bring bonding interface up to be able to bond our slaves.
	/opt/wz_mini/bin/busybox ip link set bond0 up

	# Rename the real wlan0 interface if needed/used
	if [[ "$BONDING_PRIMARY_INTERFACE" == "wlan0" ]]; then
		/opt/wz_mini/bin/busybox ip link set $BONDING_PRIMARY_INTERFACE name wlanold
		/opt/wz_mini/bin/busybox ip addr flush dev wlanold
		BONDING_PRIMARY_INTERFACE="wlanold"
		# Because we just changed the name of the primary interface, we need to
		# tell the bonding driver about the name change as well.
		echo "$BONDING_PRIMARY_INTERFACE" > /sys/devices/virtual/net/bond0/bonding/primary
	fi
	if [[ "$BONDING_SECONDARY_INTERFACE" == "wlan0" ]]; then
		/opt/wz_mini/bin/busybox ip link set $BONDING_SECONDARY_INTERFACE name wlanold
		/opt/wz_mini/bin/busybox ip addr flush dev wlanold
		BONDING_SECONDARY_INTERFACE="wlanold"
	fi

	# Enslave the Ethernet and Original Wifi interfaces
	# under the bonding interface.
	/opt/wz_mini/tmp/.bin/ifenslave bond0 $BONDING_PRIMARY_INTERFACE $BONDING_SECONDARY_INTERFACE

	# Have to bring bonding interface down to be rename the interface
	/opt/wz_mini/bin/busybox ip link set bond0 down

	# Name the bonding interface to be the "new" wlan0 interface
	/opt/wz_mini/bin/busybox ip link set bond0 name wlan0

	# Bring the newly renamed wlan0 (actually the bond interface) back up in the next step

	#Run the DHCP client, and bind mount our fake wpa_cli.sh to fool iCamera
	ifconfig wlan0 up
	pkill udhcpc
	udhcpc -i wlan0 -x hostname:$CUSTOM_HOSTNAME -p /var/run/udhcpc.pid -b

	# If running with Interface Bonding enabled, kill any existing
	# wpa_supplicant that might be running and spawn our own instead

	if [[ "$BONDING_ENABLED" == "true" ]] && ([[ "$ENABLE_USB_ETH" == "true" ]] || [[ "$ENABLE_USB_DIRECT" == "true" ]]); then
		echo "Restarting wpa_supplicant due to bonding"
		/opt/wz_mini/bin/busybox killall wpa_supplicant
		wpa_supplicant -D nl80211 -i wlanold -c /tmp/wpa_supplicant.conf -B -s
	fi

	if [ -f /opt/wz_mini/tmp/.T20 ]; then
		mount -o bind /opt/wz_mini/bin/wpa_cli.sh /system/bin/wpa_cli
	else
		mount -o bind /opt/wz_mini/bin/wpa_cli.sh /bin/wpa_cli
	fi

	echo "Run network monitor for USB Direct"
        /opt/wz_mini/usr/bin/netmon.sh &

}


case "$1" in
	start)
		if [[ "$BONDING_ENABLED" == "true" ]] && ([[ "$ENABLE_USB_ETH" == "true" ]] || [[ "$ENABLE_USB_DIRECT" == "true" ]]); then
			bonding_setup &
		fi
                ;;
		*)
		echo "Usage: $0 {start}"
		exit 1
		;;
esac