Example #1
0
func TestLocators(t *testing.T) {
	google, err := geolocate.New(geolocate.Google, googleAPIKey)
	if err != nil {
		t.Fatal(err)
	}
	mozilla, err := geolocate.New(geolocate.Mozilla, "test")
	if err != nil {
		t.Fatal(err)
	}
	yandex, err := geolocate.New(geolocate.Yandex, yandexAPIKey)
	if err != nil {
		t.Fatal(err)
	}
	mongodb, err := mongo.Connect("mongodb://localhost/watch")
	if err != nil {
		t.Fatal(err)
	}
	defer mongodb.Close()
	lbs, err := lbs.InitDB(mongodb)
	if err != nil {
		t.Fatal(err)
	}
	for _, s := range testData {
		req, err := ParseLBS("gsm", s)
		if err != nil {
			t.Fatal(err)
		}
		resp, err := google.Get(*req)
		if err != nil {
			fmt.Printf("%8s error: %v\n", "Google", err)
			t.Error(err)
		} else {
			fmt.Printf("%8s [%.7f,%.7f] %.2f\n", "Google", resp.Location.Lon, resp.Location.Lat, resp.Accuracy)
		}
		resp, err = yandex.Get(*req)
		if err != nil {
			fmt.Printf("%8s error: %v\n", "Yandex", err)
			t.Error(err)
		} else {
			fmt.Printf("%8s [%.7f,%.7f] %.2f\n", "Yandex", resp.Location.Lon, resp.Location.Lat, resp.Accuracy)
		}
		resp, err = mozilla.Get(*req)
		if err != nil {
			fmt.Printf("%8s error: %v\n", "Mozilla", err)
			t.Error(err)
		} else {
			fmt.Printf("%8s [%.7f,%.7f] %.2f\n", "Mozilla", resp.Location.Lon, resp.Location.Lat, resp.Accuracy)
		}
		resp, err = lbs.Get(*req)
		if err != nil {
			fmt.Printf("%8s error: %v\n", "Internal", err)
			t.Error(err)
		}
		fmt.Printf("%8s [%.7f,%.7f] %.2f\n", "Internal", resp.Location.Lon, resp.Location.Lat, resp.Accuracy)
		fmt.Println("-----------------------------------------")
	}
}
Example #2
0
func main() {
	log.SetOutput(os.Stdout)
	log.SetFlags(log.Ltime)
	mongourl := flag.String("mongo", "mongodb://localhost/watch", "mongoDB connection URL")
	radiofilter := flag.String("radio", "gsm", "filter for radio (comma separated)")
	countryfilter := flag.String("country", "250", "filter for country (comma separated)")
	minSamples := flag.Int64("minsample", 0, "filter for min samples count")
	flag.Usage = func() {
		fmt.Fprint(os.Stderr, "Import LBS database data\n")
		fmt.Fprintf(os.Stderr, "%s [-params] datafile.csv\n", os.Args[0])
		flag.PrintDefaults()
	}
	flag.Parse()
	if flag.NArg() != 1 {
		flag.Usage()
		return
	}
	filename := flag.Arg(0)

	// устанавливаем соединение с сервером MongoDB
	log.Printf("Connecting to MongoDB %q...", *mongourl)
	mdb, err := mongo.Connect(*mongourl)
	if err != nil {
		log.Printf("Error connecting to MongoDB: %v", err)
		return
	}
	defer mdb.Close()

	db, err := lbs.InitDB(mdb)
	if err != nil {
		log.Printf("Error initializing indexes: %v", err)
		return
	}
	coll := db.GetCollection(lbs.CollectionName)
	defer db.FreeCollection(coll)

	bulk := coll.Bulk()
	bulk.Unordered()

	// разбираем фильтры и формируем соответствующие справочники
	var (
		filterRadio   = make(map[string]bool)
		filterCountry = make(map[uint16]bool)
	)
	for _, radio := range strings.Split(*radiofilter, ",") {
		filterRadio[strings.ToLower(strings.TrimSpace(radio))] = true
	}
	for _, country := range strings.Split(*countryfilter, ",") {
		mcc, err := strconv.ParseUint(country, 10, 16)
		if err != nil {
			continue
		}
		filterCountry[uint16(mcc)] = true
	}
	if len(filterRadio) > 0 || len(filterCountry) > 0 {
		log.Printf("Filters country - %q, radio - %q",
			strings.Join(strings.Split(*countryfilter, ","), ", "),
			strings.Join(strings.Split(*radiofilter, ","), ", "))
	}

	log.Printf("Reading data from CSV %q...", filename)
	file, err := os.Open(filename)
	if err != nil {
		log.Printf("Error opening CSV file: %v", err)
		return
	}
	defer file.Close()

	var counter, lines uint64 // счетчики
	r := csv.NewReader(file)
	for {
		record, err := r.Read()
		if err == io.EOF {
			break
		}
		if err != nil {
			log.Printf("Error parsing CSV file: %v", err)
			return
		}
		lines++
		if lines == 1 {
			r.FieldsPerRecord = len(record) // устанавливаем количество полей
			continue                        // пропускаем первую строку с заголовком в CSV-файле
		}
		fmt.Fprintf(os.Stderr, "\r* find %8d | skipped %8d records ", counter, lines-1-counter)

		radio := strings.ToLower(record[0])
		if len(filterRadio) > 0 && !filterRadio[radio] {
			continue // игнорируем записи с неподдерживаемым типом радио
		}
		samples, err := strconv.ParseInt(record[9], 10, 32)
		if err != nil {
			log.Printf("[%d] bad Samples: %s", lines, record[9])
			continue
		}
		if samples < *minSamples {
			continue // не импортируем данные с маленьким количеством подтверждений
		}
		mcc, err := strconv.ParseUint(record[1], 10, 16)
		if err != nil {
			log.Printf("[%d] bad MCC: %s", lines, record[1])
			continue
		}
		if len(filterCountry) > 0 && !filterCountry[uint16(mcc)] {
			continue // игнорируем записи с неподдерживаемым типом радио
		}
		mnc, err := strconv.ParseUint(record[2], 10, 16)
		if err != nil {
			log.Printf("[%d] bad MNC: %s", lines, record[2])
			continue
		}
		area, err := strconv.ParseUint(record[3], 10, 16)
		if err != nil {
			log.Printf("[%d] bad Area: %s", lines, record[3])
			continue
		}
		cell, err := strconv.ParseUint(record[4], 10, 32)
		if err != nil {
			log.Printf("[%d] bad Cell: %s", lines, record[4])
			continue
		}
		lon, err := strconv.ParseFloat(record[6], 64)
		if err != nil {
			log.Printf("[%d] bad longitude:", lines, record[6])
			continue
		}
		lat, err := strconv.ParseFloat(record[7], 64)
		if err != nil {
			log.Printf("[%d] bad latitude:", lines, record[7])
			continue
		}
		distance, err := strconv.ParseFloat(record[8], 64)
		if err != nil {
			log.Printf("[%d] bad range:", lines, record[8])
			continue
		}
		key := lbs.Key{
			RadioType:         radio,
			MobileCountryCode: uint16(mcc),
			MobileNetworkCode: uint16(mnc),
			LocationAreaCode:  uint16(area),
			CellId:            uint32(cell),
		}
		data := lbs.Data{
			Location: geo.NewPoint(lon, lat),
			Accuracy: distance,
		}

		// created, err := strconv.ParseInt(record[11], 10, 64)
		// if err != nil {
		// 	log.Printf("[%d] bad Created: %s", lines, record[11])
		// 	continue
		// }
		// updated, err := strconv.ParseInt(record[12], 10, 64)
		// if err != nil {
		// 	log.Printf("[%d] bad Updated: %s", lines, record[12])
		// 	continue
		// }

		bulk.Upsert(key, bson.M{"$set": data})
		counter++
	}
	fmt.Fprintln(os.Stderr, "")

	if counter == 0 {
		log.Println("No record for import. Exit...")
		return
	}

	// если это не обновление, то подчищаем старые (не обновленные) данные
	if !strings.Contains(filename, "diff") {
		log.Println("Deleting old data...")
		deleteResult, err := coll.RemoveAll(nil)
		if err != nil {
			log.Printf("MongoDB deleting old data error: %v", err)
			return
		}
		if deleteResult.Removed > 0 {
			log.Printf("Deleted %d records", deleteResult.Removed)
		}
	}

	log.Printf("Bulk importing to MongoDB [%d records]...", counter)
	bulkResult, err := bulk.Run()
	if err != nil {
		log.Printf("MongoDB bulk insert error: %v", err)
		return
	}
	if bulkResult.Modified > 0 {
		log.Printf("Modified %d records", bulkResult.Modified)
	}

	total, err := coll.Count()
	if err != nil {
		log.Printf("MongoDB total counting error: %v", err)
		return
	}
	log.Printf("Total unique records in DB: %d", total)
}
Example #3
0
func subscribe(mdb *mongo.DB, nc *nats.Conn) error {
	nce, err := nats.NewEncodedConn(nc, nats.JSON_ENCODER)
	if err != nil {
		return err
	}

	// nce.Subscribe("*", func(subj, reply string, data []byte) {
	// 	log.Printf("DEBUG: %q [%q]\n%s", subj, reply, string(data))
	// })

	lbs, err := lbs.InitDB(mdb)
	if err != nil {
		return err
	}
	if lbs.Records() == 0 {
		log.Warn("LBS DB is empty!")
	}
	lbsGoogle, err := geolocate.New(geolocate.Google, googleToken)
	if err != nil {
		return err
	}
	nce.Subscribe(serviceNameLBS, func(_, reply string, req geolocate.Request) {
		resp, err := lbsGoogle.Get(req)
		logger := log.WithFields(log.Fields{"request": req, "response": resp})
		if err != nil {
			logger.WithError(err).Error("LBS Google error")
		}
		if err := nce.Publish(reply, resp); err != nil {
			logger.WithError(err).Error("LBS Google response error")
		} else {
			logger.Debug("LBS")
		}
		_, err = lbs.Get(req) // оставил для сохранения в базу запроса.
		if err != nil {
			logger.WithError(err).Error("LBS Internal response error")
		}
	})

	ubloxCache, err := ublox.InitCache(mdb, ubloxToken)
	if err != nil {
		return err
	}
	profile := ublox.DefaultProfile
	nce.Subscribe(serviceNameUblox, func(_, reply string, point geo.Point) {
		data, err := ubloxCache.Get(point, profile)
		logger := log.WithFields(log.Fields{"request": point, "response length": len(data)})
		if err != nil {
			logger.WithError(err).Error("UBLOX error")
		}
		if err := nce.Publish(reply, data); err != nil {
			logger.WithError(err).Error("UBLOX response error")
		} else {
			logger.Debug("UBLOX")
		}
	})

	usersDB, err := users.InitDB(mdb)
	if err != nil {
		return err
	}
	// уникальный идентификатор группы пока для примера задан явно
	// groupID := users.SampleGroupID
	groupID := usersDB.GetSampleGroupID()
	nce.Subscribe(serviceNameIMEI, func(_, reply, data string) {
		group, err := usersDB.GetGroup(groupID)
		logger := log.WithFields(log.Fields{"request": data, "response": group})
		if err != nil {
			logger.WithError(err).Error("IMEI error")
		}
		if err := nce.Publish(reply, group); err != nil {
			logger.WithError(err).Error("IMEI response error")
		} else {
			logger.Debug("IMEI")
		}
	})

	tracksDB, err := tracks.InitDB(mdb)
	if err != nil {
		return err
	}
	nce.Subscribe(serviceNameTracks, func(tracks []tracks.TrackData) {
		logger := log.WithField("request", tracks)
		if err := tracksDB.Add(tracks...); err != nil {
			logger.WithError(err).Error("TRACKS error")
		} else {
			logger.Debug("TRACKS")
		}
	})

	sensorsDB, err := sensors.InitDB(mdb)
	if err != nil {
		return err
	}
	nce.Subscribe(serviceNameSensors, func(sensors []sensors.SensorData) {
		logger := log.WithField("request", sensors)
		if err := sensorsDB.Add(sensors...); err != nil {
			logger.WithError(err).Error("SENSORS error")
		} else {
			logger.Debug("SENSORS")
		}
	})

	var pairs pairing.Pairs
	nce.Subscribe(serviceNamePairing, func(_, reply, deviceID string) {
		key := pairs.Generate(deviceID)
		logger := log.WithFields(log.Fields{"request": deviceID, "response": key})
		if err := nce.Publish(reply, key); err != nil {
			logger.WithError(err).Error("PAIR error")
		} else {
			logger.Debug("PAIR")
		}
	})
	nce.Subscribe(serviceNamePairingKey, func(_, reply, key string) {
		newDeviceID := pairs.GetDeviceID(key)
		logger := log.WithFields(log.Fields{"request": key, "response": newDeviceID})
		if err := nce.Publish(reply, newDeviceID); err != nil {
			logger.WithError(err).Error("PAIR KEY error")
		} else {
			logger.Debug("PAIR KEY")
		}
	})

	return nil
}