通過設置metric進行路由備份腳本實現

#!/bin/sh /etc/rc.common
START=101

restart()
{
    . /lib/functions/network.sh

    config_cb(){ 

        local type=$1 
        local name=$2 

        if [ "$1" = "interface" ] && [ "$2" != "loopback" ]&& [ "$2" != "lan" ]; then 
	 
    	gw=$(ubus call network.interface.$name  status | grep nexthop | grep -oE '([0-9]{1,3}.){3}.[0-9]{1,3}')
    	metric=$(ubus call network.interface.$name status | grep -w "metric" | grep -oE '([0-9])')
	
	    if [ $gw ]; then 
            echo "my type is $1, my name is $2 ,my gw is $gw, my metric is $metric"

	    option_cb(){ 	
	
    	    if [ "$1" = "ifname" ] && [ $gw ]; then 
	    	    route del default gw $gw dev $2
    		    route add default gw $gw dev $2 metric $metric		
        	fi
	    } 
	
    	    fi
	fi 

    } 

        config_load 'network'
}