func Migrate() {
iefs := []string{"lan", "wifi"}
go func() {
err = datastore.Flush()
if err != nil {
log.Fatalf("Failed to flush: %s", err.Error())
}
}()
for _, ief := range iefs {
log.Printf("Migrating %s...\n", ief)
data, err := old_datastore.Read(ief, 10000*time.Hour)
if err != nil {
log.Fatalf("Failed to read: %s", err.Error())
}
log.Println("Done reading")
var ops int
ticker := time.NewTicker(5 * time.Second)
go func() {
for _ = range ticker.C {
log.Printf("Writing %d points per second\n", ops/5)
ops = 0
}
}()
for t, status := range data {
ops += 1
point := common.Point{
Time: t,
Interface: ief,
}
p99 := strconv.FormatFloat(status.Percentile99, 'f', -1, 64)
point.Latency, err = time.ParseDuration(p99 + "s")
if err != nil {
log.Fatalf("Failed to parse duration:", err.Error())
}
if status.Uptime > 99.0 {
point.Error = 0
} else {
point.Error = 1
}
datastore.Write(point)
}
ticker.Stop()
}
}
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
}