Beispiel #1
0
func monitorGeo() {
	log.Printf("Fetching location...")
	geo, err := geoip.LookupIP("")
	if err != nil {
		log.Fatal(err)
	}
	log.Printf(" - City: %s, Lat: %f, Lon: %f", geo.City, geo.Lat, geo.Lon)
	log.Printf("Monitoring daylight settings...")
	var lastState *bool
	for {
		rise := astrotime.NextSunrise(time.Now(), geo.Lat, -geo.Lon)
		set := astrotime.NextSunset(time.Now(), geo.Lat, -geo.Lon)
		state := rise.Before(set)
		if lastState != nil && state == *lastState {
			time.Sleep(1 * time.Minute)
			continue
		}
		lastState = &state
		if state {
			log.Print("Good night!")
			sct.SetColorTemp(*nightTemp)
		} else {
			log.Print("Good morning!")
			sct.SetColorTemp(*dayTemp)
		}
		time.Sleep(1 * time.Minute)
	}
}
Beispiel #2
0
func sendEverySunset(c chan<- sunEvent) {
	for {
		now := time.Now()
		sunset := astrotime.NextSunset(now, sflat, sflon).Add(-time.Duration(15) * time.Minute)
		log.Printf("next sunset at %s", sunset)
		time.Sleep(sunset.Sub(now))
		c <- sunsetEvent
	}
}
Beispiel #3
0
func main() {
	// t := time.Date(2015, time.December, 31, 23, 0, 0, 0, time.Local)
	t := time.Now()
	fmt.Printf("Go launched at %s\n", t.Local())

	nextSunrise := astrotime.NextSunrise(t, latitude, longitude)
	fmt.Printf("next sunrise at %s\n", nextSunrise)
	nextSunset := astrotime.NextSunset(t, latitude, longitude)
	fmt.Printf("next sunset at %s\n", nextSunset)

	if nextSunset.Before(nextSunrise) {
		fmt.Printf("It is daytime\n")
	} else {
		fmt.Printf("It is nighttime\n")
	}
}
Beispiel #4
0
func SunHandlerV0(w http.ResponseWriter, r *http.Request) {
	var latitude, longitude *float64
	var lat, lon float64
	var err error
	if r.Method != "GET" {
		http.Error(w, "Not Found", http.StatusNotFound)
		return
	}
	components := strings.Split(r.URL.Path[1:], "/")
	if len(components) != 4 {
		http.Error(w, "Bad Request", http.StatusBadRequest)
		return
	}
	for _, comp := range components {
		switch {
		case len(comp) > 3 && comp[:3] == "lat":
			lat, err = strconv.ParseFloat(comp[3:], 64)
			if err == nil {
				latitude = &lat
			} else {
				http.Error(w, "Bad Request", http.StatusBadRequest)
				return
			}
		case len(comp) > 3 && comp[:3] == "lon":
			lon, err = strconv.ParseFloat(comp[3:], 64)
			if err == nil {
				longitude = &lon
			} else {
				http.Error(w, "Bad Request", http.StatusBadRequest)
				return
			}
		}
	}
	if latitude == nil || longitude == nil {
		http.Error(w, "Bad Request", http.StatusBadRequest)
		return
	}

	if components[1] == "sunrise" {
		fmt.Fprint(w, astrotime.NextSunrise(time.Now(), *latitude, *longitude))
	}

	if components[1] == "sunset" {
		fmt.Fprint(w, astrotime.NextSunset(time.Now(), *latitude, *longitude))
	}
}