location vparam

log("location v-param");
let ip = null;
let igd = declare("InternetGatewayDevice.WANDevice.*.WANConnectionDevice.*.WANIPConnection.*.ExternalIPAddress", {value: 1});
let result = "UNKNOWN";

if (igd.size) {
    for (let p of igd) {
        if (p.value[0] && p.value[0] !== '0.0.0.0') {
            ip = p.value[0];
            break;
        }
    }
}
if (ip !== null) {
    let firstTwo = ip.match(/(\\d+\\.\\d+)/)[0];
    let map = {
        '172.16': 'Tok',
        '172.17': 'Haines',
        '172.18': 'Wrangell',
        '172.19': 'Petersburg',
        '172.21': 'Craig',
        '172.22': 'Metlakatla',
        '172.27': 'Wasilla'
    };
    declare("VirtualParameters.Location", null, {value: map[firstTwo]});
    if (map[firstTwo]) {
        result = map[firstTwo];
    }
}
log("Location: " + result);
return {writable: false, value: [result, "xsd:string"]};