#!/bin/sh /etc/rc.common
# Copyright (C) 2006-2014 OpenWrt.org

START=94
STOP=13
USE_PROCD=1

pre_set()
{
	[ "$(uci get network.wwan_5g.ifname)" != "$1" ] && {
		uci set network.wwan_5g='interface'
		uci set network.wwan_5g.ifname="$1"
		uci set network.wwan_5g.proto='dhcp'
		if [ "$ipv6" = 1 ]; then
			uci set network.wwan6_5g='interface'
			uci set network.wwan6_5g.ifname="$1"
			uci set network.wwan6_5g.proto='dhcpv6'
			uci set network.wwan6_5g.extendprefix='1'
		fi
		uci commit network

		num=`uci show firewall |grep "name='wan'" |wc -l`
		wwan_5g_num=`uci get firewall.@zone[$num].network |grep -w wwan_5g |wc -l`
		wwan6_5g_num=`uci get firewall.@zone[$num].network |grep -w wwan6_5g |wc -l`
		if [ "$wwan_5g_num" = "0" ]; then
			uci add_list firewall.@zone[$num].network='wwan_5g'
		fi
		if [ "$ipv6" = 1 ]; then
			if [ "$wwan6_5g_num" = "0" ]; then
				uci add_list firewall.@zone[$num].network='wwan6_5g'
			fi
		fi
		uci commit firewall

		ifup wwan_5g
		if [ "$ipv6" = 1 ]; then
			ifup wwan6_5g
		fi
	}

	[ "$(uci get network.wwan6_5g.ifname)" = "$1" ] && {
		uci set network.wwan6_5g.extendprefix='1'
		uci commit network
	}
}

run_dial()
{
	local enabled
	config_get_bool enabled $1 enabled

	if [ "$enabled" = "1" ]; then
		local apn
		local user
		local password
		local auth
		local ipv6
		local device

		config_get apn $1 apn
		config_get user $1 user
		config_get password $1 password
		config_get auth $1 auth
		config_get ipv6 $1 ipv6
		config_get device $1 device

		devname="$(basename "$device")"
		devicepath="$(find /sys/class/ -name $devname)"
		devpath="$(readlink -f $devicepath/device/)"
		ifname="$( ls "$devpath"/net )"

		procd_open_instance
		procd_set_param command quectel-CM
		if [ "$ipv6" = 1 ]; then
			procd_append_param command -4 -6
		fi
		if [ "$apn" != "" ];then
			procd_append_param command -s $apn
		fi
		if [ "$user" != "" ]; then
			procd_append_param command $user
		fi
		if [ "$password" != "" ]; then
			procd_append_param command $password
		fi
		if [ "$auth" != "" ]; then
			procd_append_param command $auth
		fi
		if [ "$device" != "" ]; then
			procd_append_param command -i $ifname
		fi
		procd_set_param respawn
		procd_close_instance

		if [ -d /sys/class/net/rmnet_mhi0 ]; then
			pre_set rmnet_mhi0.1
		elif [ -d /sys/class/net/wwan0_1 ]; then
			pre_set wwan0_1
		elif [ -d /sys/class/net/wwan0.1 ]; then
			pre_set wwan0.1
		elif [ -d /sys/class/net/wwan0 ]; then
			pre_set wwan0
		fi
	fi

	sleep 15
}

service_triggers()
{
	procd_add_reload_trigger "hypermodem"
}

start_service() {
	config_load hypermodem
	config_foreach run_dial service
}

stop_service()
{
	killall quectel-CM >/dev/null 2>&1
}