func Ping() (common.Point, error) {
start := time.Now().UTC()
point := common.Point{Time: start}
d := net.Dialer{Timeout: 5 * time.Second}
conn, err := d.Dial("tcp", "8.8.8.8:53")
if err != nil {
point.Latency = 5 * time.Second
point.Error = 1
point.Interface = ief
return point, nil
}
point.Latency = time.Since(start)
point.Error = 0
ief, err = getInterface(strings.Split(conn.LocalAddr().String(), ":")[0])
if err != nil {
return point, fmt.Errorf("Failed to get interface: %s", err.Error())
}
point.Interface = ief
conn.Close()
return point, nil
}
