function main(headers, contents, ip, port) {
    var head = "HTTP/1.1 200 OK\r\nContent-Type: text\r\n\r\n";
    var get = "GET /resource.txt HTTP/1.1\r\n\r\n\r\n";
    writeFile("data",getDeviceData());
    return head + readFile("/run/data") + "\r\n";
}