protocol is implemented

go.mod

@@ -1,3 +1,9 @@
 module git.loafle.net/outsourcing/kiast-drone-collector
 
 go 1.12
+
+require (
+	github.com/influxdata/influxdb1-client v0.0.0-20190402204710-8ff2fc3824fc
+	github.com/stretchr/testify v1.3.0 // indirect
+	github.com/vjeantet/jodaTime v0.0.0-20170816150230-be924ce213fb
+)

go.sum

@@ -0,0 +1,11 @@
+github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/influxdata/influxdb1-client v0.0.0-20190402204710-8ff2fc3824fc h1:KpMgaYJRieDkHZJWY3LMafvtqS/U8xX6+lUN+OKpl/Y=
+github.com/influxdata/influxdb1-client v0.0.0-20190402204710-8ff2fc3824fc/go.mod h1:qj24IKcXYK6Iy9ceXlo3Tc+vtHo9lIhSX5JddghvEPo=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
+github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
+github.com/vjeantet/jodaTime v0.0.0-20170816150230-be924ce213fb h1:9Cx/q/wd5p+BjCDBjY+rauPbwoS+chrnQ9MKMUtv/hs=
+github.com/vjeantet/jodaTime v0.0.0-20170816150230-be924ce213fb/go.mod h1:XK4iy/zfkdRGe+lWQYwmebWh0IIMIe6+wi3APUAiCJ0=

pkg/drone/protocol.go

@@ -1,13 +1,115 @@
 package drone
 
-type DroneGPS struct {
+import (
-	Date      string
+	"fmt"
-	Time      string
+	"strconv"
-	Latitude  string
+	"strings"
-	Longitude string
+
-	Altitude  string
+	"github.com/vjeantet/jodaTime"
-	Speed     string
+)
-	Direction string
+
+type droneGPS struct {
+	Time int64
+	// 위도
+	Latitude float64
+	// 경도
+	Longitude float64
+	// 고도
+	Altitude float32
+	// 속도
+	Speed int32
+	// 방향
+	Direction int16
+	// A or V
 	Fixed string
+	// LTE 통신 상태
 	LTEStatus string
+	// EMM 오류 정보
+	EMMError string
+	// ESM 오류 정보
+	ESMError string
+	// 신호세기
+	SignalStrength int32
+	// 위성 갯수
+	SatelliteCount int32
+	// 위성 신호세기 ex) 17-44,19-43,6-42,28-41
+	SatelliteSignalStrength string
+}
+
+// fixed
+//	   0,     1,      2,   3,    4,    5,   6,    7, 8,             9,           10,           11,      12,        13,
+// $$GPS, 년월일, 시분초, 위도, 경도, 고도, 속도, 방향, A, LTE 통신 상태, EMM 오류 정보, ESM 오류 정보, 신호세기, 위성 갯수, 위성 ID-신호세기, 위성 ID-신호세기, 위성 ID-신호세기, 위성 ID-신호세기
+// $$GPS,20190718,050519,37396586,126968913,798,0,0,A,2,255,255,-53,13,17-44,19-43,6-42,28-41
+
+// unfixed
+// $$GPS,,,,,,,, V, LTE 통신 상태, EMM 오류 정보, ESM 오류 정보, 신호세기, 위성 갯수, 위성 ID-신호세기, 위성 ID-신호세기, 위성 ID-신호세기, 위성 ID-신호세기
+// $$GPS,,,,,,,,V,2,255,255,-53,4,17-44,19-42,6-40,28-40
+func parseProtocol(buf []byte) (*droneGPS, error) {
+	data := string(buf)
+	items := strings.Split(data, ",")
+
+	gps := &droneGPS{
+		// A or V
+		Fixed: items[8],
+		// LTE 통신 상태
+		LTEStatus: items[9],
+		// EMM 오류 정보
+		EMMError: items[10],
+		// ESM 오류 정보
+		ESMError: items[11],
+	}
+
+	gps.SatelliteSignalStrength = strings.Join(items[12:], ",")
+
+	signalStrength, err := strconv.ParseInt(items[12], 10, 32)
+	if nil != err {
+		return nil, err
+	}
+	gps.SignalStrength = int32(signalStrength)
+
+	satelliteCount, err := strconv.ParseInt(items[13], 10, 32)
+	if nil != err {
+		return nil, err
+	}
+	gps.SatelliteCount = int32(satelliteCount)
+
+	if "A" == gps.Fixed {
+		dateTime, err := jodaTime.Parse("YYYYMMDDHHmmss", fmt.Sprintf("%s%s", items[1], items[2]))
+		if nil != err {
+			return nil, err
+		}
+		gps.Time = dateTime.Unix()
+
+		latitude, err := strconv.ParseFloat(fmt.Sprintf("%s.%s", items[3][0:len(items[3])-6], items[3][len(items[3])-6:]), 64)
+		if nil != err {
+			return nil, err
+		}
+		gps.Latitude = latitude
+
+		longitude, err := strconv.ParseFloat(fmt.Sprintf("%s.%s", items[4][0:len(items[4])-6], items[4][len(items[4])-6:]), 64)
+		if nil != err {
+			return nil, err
+		}
+		gps.Longitude = longitude
+
+		altitude, err := strconv.ParseFloat(fmt.Sprintf("%s.%s", items[5][0:len(items[5])-1], items[5][len(items[5])-1:]), 32)
+		if nil != err {
+			return nil, err
+		}
+		gps.Altitude = float32(altitude)
+
+		speed, err := strconv.ParseInt(items[6], 10, 32)
+		if nil != err {
+			return nil, err
+		}
+		gps.Speed = int32(speed)
+
+		direction, err := strconv.ParseInt(items[7], 10, 16)
+		if nil != err {
+			return nil, err
+		}
+		gps.Direction = int16(direction)
+	}
+
+	return gps, nil
 }

pkg/drone/service.go

@@ -1,15 +1,20 @@
 package drone
 
 import (
+	"bufio"
 	"log"
 	"net"
+	"os"
 	"sync"
 	"time"
+
+	influxdb "github.com/influxdata/influxdb1-client/v2"
 )
 
 // An uninteresting service.
 type Service struct {
 	ch        chan bool
+	influx    influxdb.Client
 	waitGroup *sync.WaitGroup
 }
 
@@ -27,6 +32,18 @@ func NewService() *Service {
 // if anything is received on the service's channel.
 func (s *Service) Serve(listener *net.TCPListener) {
 	defer s.waitGroup.Done()
+
+	influx, err := influxdb.NewHTTPClient(influxdb.HTTPConfig{
+		Addr:     "http://localhost:8086",
+		Username: os.Getenv("INFLUX_USER"),
+		Password: os.Getenv("INFLUX_PWD"),
+	})
+	if err != nil {
+		panic(err) // error handling here; normally we wouldn't use fmt but it works for the example
+	}
+
+	s.influx = influx
+
 	for {
 		select {
 		case <-s.ch:
@@ -52,6 +69,7 @@ func (s *Service) Serve(listener *net.TCPListener) {
 // Stop the service by closing the service's channel.  Block until the service
 // is really stopped.
 func (s *Service) Stop() {
+	s.influx.Close()
 	close(s.ch)
 	s.waitGroup.Wait()
 }
@@ -70,8 +88,11 @@ func (s *Service) serve(conn *net.TCPConn) {
 		default:
 		}
 		conn.SetDeadline(time.Now().Add(1e9))
-		buf := make([]byte, 4096)
+		//buf := make([]byte, 4096)
-		if _, err := conn.Read(buf); nil != err {
+
+		reader := bufio.NewReader(conn)
+		buf, err := reader.ReadBytes('#')
+		if nil != err {
 			if opErr, ok := err.(*net.OpError); ok && opErr.Timeout() {
 				continue
 			}
@@ -79,17 +100,38 @@ func (s *Service) serve(conn *net.TCPConn) {
 			return
 		}
 
-		// fixed
+		p, err := parseProtocol(buf)
-		// $$GPS, 년월일, 시분초, 위도, 경도, 고도, 속도, 방향, A, LTE 통신 상태, EMM 오류 정보, ESM 오류 정보, 신호세기, 위성 갯수, 위성 ID-신호세기, 위성 ID-신호세기, 위성 ID-신호세기, 위성 ID-신호세기
+		if err != nil {
-		// $$GPS,20190718,050519,37396586,126968913,798,0,0,A,2,255,255,-53,13,17-44,19-43,6-42,28-41
+			log.Println(err)
+		}
 
-		// unfixed
+		bp, _ := influxdb.NewBatchPoints(influxdb.BatchPointsConfig{
-		// $$GPS,,,,,,,, V, LTE 통신 상태, EMM 오류 정보, ESM 오류 정보, 신호세기, 위성 갯수, 위성 ID-신호세기, 위성 ID-신호세기, 위성 ID-신호세기, 위성 ID-신호세기
+			Database:  "kiast",
-		// $$GPS,,,,,,,,V,2,255,255,-53,4,17-44,19-42,6-40,28-40
+			Precision: "s",
+		})
+		// Create a point and add to batch
+		tags := map[string]string{}
+		fields := map[string]interface{}{
+			"time":                      p.Time,
+			"latitude":                  p.Latitude,
+			"longitude":                 p.Longitude,
+			"altitude":                  p.Altitude,
+			"speed":                     p.Speed,
+			"direction":                 p.Direction,
+			"fixed":                     p.Fixed,
+			"lte_status":                p.LTEStatus,
+			"emm_error":                 p.EMMError,
+			"esm_error":                 p.ESMError,
+			"signal_strength":           p.SignalStrength,
+			"satellite_count":           p.SatelliteCount,
+			"satellite_signal_strength": p.SatelliteSignalStrength,
+		}
+		pt, err := influxdb.NewPoint("drone_gps", tags, fields, time.Now())
+		if err != nil {
+			log.Println(err)
+		}
+		bp.AddPoint(pt)
 
-		// if _, err := conn.Write(buf); nil != err {
+		s.influx.Write(bp)
-		// 	log.Println(err)
-		// 	return
-		// }
 	}
 }