#!/bin/sh /etc/rc.common
# Copyright (C) 2008-2012 OpenWrt.org

SERVICE_USE_PID=1
START=99

find_release_info()
{
	[ -s /etc/openwrt_release ] && . /etc/openwrt_release
	[ -z "$DISTRIB_DESCRIPTION" ] && [ -s /etc/openwrt_version ] && \
		DISTRIB_DESCRIPTION="$(cat /etc/openwrt_version)"

	echo "${DISTRIB_DESCRIPTION:-Unknown OpenWrt release} @ $(cat /proc/sys/kernel/hostname)"
}

old_start() {
	. /lib/functions/network.sh
	local enable_cdp
	local enable_fdp
	local enable_sonmp
	local enable_edp
	local lldp_class
	local lldp_location
	local lldp_description

	config_load 'lldpd'
	config_get_bool enable_cdp 'config' 'enable_cdp' 0
	config_get_bool enable_fdp 'config' 'enable_fdp' 0
	config_get_bool enable_sonmp 'config' 'enable_sonmp' 0
	config_get_bool enable_edp 'config' 'enable_edp' 0
	config_get lldp_class 'config' 'lldp_class'
	config_get lldp_location 'config' 'lldp_location'
	config_get lldp_description 'config' 'lldp_description' "$(find_release_info)"

	local ifaces
	config_get ifaces 'config' 'interface'

	local iface
	for iface in $ifaces; do
		local ifname=""
		if network_get_device ifname "$iface" || [ -e "/sys/class/net/$iface" ]; then
			append args "-I ${ifname:-$iface}"
		fi
	done

	[ $enable_cdp -gt 0 ] && append args '-c'
	[ $enable_fdp -gt 0 ] && append args '-f'
	[ $enable_sonmp -gt 0 ] && append args '-s'
	[ $enable_edp -gt 0 ] && append args '-e'

	user_exists  lldp 121 || user_add  lldp 121 129
	group_exists lldp 129 || group_add lldp 129

	mkdir -p /var/run/lldp
	chown lldp:lldp /var/run/lldp

	service_start /usr/sbin/lldpd $args \
		${lldp_class:+ -M $lldp_class} \
		${lldp_description:+ -S "$lldp_description"}

	[ -n "$lldp_location" ] && {
		sleep 1
		/usr/sbin/lldpctl -L "$lldp_location" > /dev/null 2>&1
	}
}

start() {
	local enable_lldp
	local enable_cdp
	local enable_fdp
	local enable_sonmp
	local enable_edp
	local lldp_class
	local lldp_description
	local lan_str=""
	local wan_str=""
	local phy_str=""
	local lan_if=""
	
	config_load 'lldpd'
	config_get_bool enable_lldp 'config' 'enable_lldp' 0
	if [ $enable_lldp -eq 0 ];then
		return 0
	fi
	config_get_bool enable_cdp 'config' 'enable_cdp' 0
	config_get_bool enable_fdp 'config' 'enable_fdp' 0
	config_get_bool enable_sonmp 'config' 'enable_sonmp' 0
	config_get_bool enable_edp 'config' 'enable_edp' 0
	config_get lldp_class 'config' 'lldp_class'
	config_get hostname 'config' 'hostname' ""
	
	local lan_device
	local wan_device
	local phy_device
	config_load 'network'
	config_get lan_device 'global' 'lan_device'
	config_get wan_device 'global' 'wan_device'
	phy_wan_device=""
	config_get phy_devices 'global' 'phy_device'
	
	for lan_dev in ${lan_device}
	do
		if [ -z "$lan_str" ] 
		then
			lan_str="${lan_dev}.*,!${lan_dev}.0"
		else
			lan_str="${lan_str},${lan_dev}.*,!${lan_dev}.0"
		fi
	done

	for wan_dev in ${wan_device}
	do
		if [ -z "$wan_str" ]
		then
			wan_str="${wan_dev}.*,!${wan_dev}.0"
		else
			wan_str="${wan_str},${wan_dev}.*,!${wan_dev}.0"
		fi
	done

	for phy_device in ${phy_devices}
	do	
		config_get phy $phy_device 'new_wan_device'
		if [ -z "$phy" ]
		then
			config_get phy $phy_device 'wan_device'
		fi
		if [ -z "$phy_str" ]
		then
			phy_str="${phy}"
		else
			phy_str="${phy_str},${phy}"
		fi
	done
	lan_if=`brctl show | awk 'NR>1 {print $NF}' | grep -Ev "veth0|inf.*" | awk '{result = result ? result "," $0 : $0} END {print result}'`
	lldp_description=""
	if [ -f "/tmp/device-info.json" ];then
		lldp_description=$(grep model_full_name /tmp/device-info.json | sed 's/.*:."//g'| sed 's/",*//g')
	fi
	
	[ $enable_cdp -gt 0 ] && append args '-c'
	[ $enable_fdp -gt 0 ] && append args '-f'
	[ $enable_sonmp -gt 0 ] && append args '-s'
	[ $enable_edp -gt 0 ] && append args '-e'
		
	/usr/sbin/lldpd $args \
		${lldp_class:+ -M $lldp_class} \
		${lldp_description:+ -S "$lldp_description"} \
		${wan_dev:+ -C ${wan_str}} ${wan_dev:+ -I ${lan_if},${wan_str}${phy_str:+,${phy_str}}} \
		${lan_if:+ -r ${lan_if}} \
		${hostname:+ -N "$hostname"} \
		-u /var/run/lldpd_wan.socket
}

stop() {
	killall lldpd
	rm -f /var/run/lldpd.socket /var/run/lldpd_wan.socket /var/run/lldpd.pid
}
