Changed redis key errors to warnings. Added nonces and counters editor.

device.go

@@ -11,8 +11,18 @@ import (
 	"github.com/iegomez/lds/lds"
 	"github.com/inkyblackness/imgui-go"
 	log "github.com/sirupsen/logrus"
+	"strconv"
 )
 
+var ulFcntEdit int
+var dlFcntEdit int
+var devNonceEdit int
+var joinNonceEdit int
+var ulFcntEditS string
+var dlFcntEditS string
+var devNonceEditS string
+var joinNonceEditS string
+
 type device struct {
 	DevEUI        string             `toml:"eui"`
 	DevAddress    string             `toml:"address"`
@@ -97,12 +107,17 @@ func beginDeviceForm() {
 		if imgui.Button("Reset device") {
 			resetDevice = true
 		}
+		imgui.SameLine()
+		if imgui.Button("Set values") {
+			setRedisValues = true
+		}
 	}
 	beginReset()
+	beginRedisValues()
 	imgui.Separator()
 	if cDevice != nil {
-		imgui.Text(fmt.Sprintf("DlFCnt: %d - UlFCnt: %d", cDevice.DlFcnt, cDevice.UlFcnt))
-		imgui.Text(fmt.Sprintf("DevNonce: %d - JoinNonce: %d", cDevice.DevNonce, cDevice.JoinNonce))
+		imgui.Text(fmt.Sprintf("DlFCnt: %d - DevNonce:  %d", cDevice.DlFcnt, cDevice.DevNonce))
+		imgui.Text(fmt.Sprintf("UlFCnt: %d - JoinNonce: %d", cDevice.UlFcnt, cDevice.JoinNonce))
 	}
 	imgui.End()
 }
@@ -197,6 +212,14 @@ func setDevice() {
 		config.Device.SNwkSIntKey = lds.KeyToHex(cDevice.SNwkSIntKey)
 		config.Device.AppSKey = lds.KeyToHex(cDevice.AppSKey)
 		config.Device.DevAddress = lds.DevAddressToHex(cDevice.DevAddr)
+		ulFcntEdit = int(cDevice.UlFcnt)
+		ulFcntEditS = strconv.Itoa(ulFcntEdit)
+		dlFcntEdit = int(cDevice.DlFcnt)
+		dlFcntEditS = strconv.Itoa(dlFcntEdit)
+		devNonceEdit = int(cDevice.DevNonce)
+		devNonceEditS = strconv.Itoa(devNonceEdit)
+		joinNonceEdit = int(cDevice.JoinNonce)
+		joinNonceEditS = strconv.Itoa(joinNonceEdit)
 	} else {
 		cDevice.Reset()
 	}
@@ -239,6 +262,40 @@ func beginReset() {
 	}
 }
 
+func beginRedisValues() {
+	if setRedisValues {
+		imgui.OpenPopup("Set counters and nonces")
+		setRedisValues = false
+	}
+	imgui.SetNextWindowPos(imgui.Vec2{X: float32(windowWidth-170) / 2, Y: float32(windowHeight-70) / 2})
+	imgui.SetNextWindowSize(imgui.Vec2{X: 420, Y: 220})
+	imgui.PushItemWidth(250.0)
+	if imgui.BeginPopupModal("Set counters and nonces") {
+
+		imgui.PushTextWrapPos()
+		imgui.Text("Warning: this will only work when device is activated; when not, values will be reset on program start. Modifying these values may result in failure of communication.")
+		imgui.InputTextV(fmt.Sprintf("DlFcnt    ##dlFcntEdit"), &dlFcntEditS, imgui.InputTextFlagsCharsDecimal|imgui.InputTextFlagsCallbackAlways, handleInt(dlFcntEditS, 10, &dlFcntEdit))
+		imgui.InputTextV(fmt.Sprintf("UlFcnt    ##ulFcntEdit"), &ulFcntEditS, imgui.InputTextFlagsCharsDecimal|imgui.InputTextFlagsCallbackAlways, handleInt(ulFcntEditS, 10, &ulFcntEdit))
+		imgui.InputTextV(fmt.Sprintf("DevNonce    ##devNonceEdit"), &devNonceEditS, imgui.InputTextFlagsCharsDecimal|imgui.InputTextFlagsCallbackAlways, handleInt(devNonceEditS, 10, &devNonceEdit))
+		imgui.InputTextV(fmt.Sprintf("JoinNonce    ##joinNonceEdit"), &joinNonceEditS, imgui.InputTextFlagsCharsDecimal|imgui.InputTextFlagsCallbackAlways, handleInt(joinNonceEditS, 10, &joinNonceEdit))
+		imgui.Separator()
+		if imgui.Button("Cancel") {
+			imgui.CloseCurrentPopup()
+		}
+		imgui.SameLine()
+		if imgui.Button("Save") {
+			//Set values.
+			err := cDevice.SetValues(ulFcntEdit, dlFcntEdit, devNonceEdit, joinNonceEdit)
+			if err != nil {
+				log.Errorln(err)
+			}
+			imgui.CloseCurrentPopup()
+			//Close popup.
+		}
+		imgui.EndPopup()
+	}
+}
+
 func join() {
 	if mqttClient == nil {
 		err := connectClient()

imgui.ini

@@ -20,7 +20,7 @@ Collapsed=0
 
 [Window][Data]
 Pos=400,285
-Size=780,355
+Size=781,354
 Collapsed=0
 
 [Window][Debug##Default]

lds/lds.go

@@ -569,6 +569,43 @@ func (d *Device) Reset() error {
 	return oErr
 }
 
+//SetValues sets counters and nonces manually.
+func (d *Device) SetValues(ulFcnt, dlFcnt, devNonce, joinNonce int) error {
+	dlFcntKey := fmt.Sprintf("dl-fcnt-%s", d.DevEUI[:])
+	ulFcntKey := fmt.Sprintf("ul-fcnt-%s", d.DevEUI[:])
+	joinNonceKey := fmt.Sprintf("join-nonce-%s", d.DevEUI[:])
+	devNonceKey := fmt.Sprintf("dev-nonce-%s", d.DevEUI[:])
+	d.UlFcnt = uint32(ulFcnt)
+	d.DlFcnt = uint32(dlFcnt)
+	d.DevNonce = lorawan.DevNonce(devNonce)
+	d.JoinNonce = lorawan.JoinNonce(joinNonce)
+
+	dlRes := redisClient.Set(dlFcntKey, d.DlFcnt, 0)
+	_, err := dlRes.Result()
+	if err != nil {
+		return err
+	}
+
+	ulRes := redisClient.Set(ulFcntKey, d.UlFcnt, 0)
+	_, err = ulRes.Result()
+	if err != nil {
+		return err
+	}
+
+	jnRes := redisClient.Set(joinNonceKey, uint16(d.JoinNonce), 0)
+	_, err = jnRes.Result()
+	if err != nil {
+		return err
+	}
+
+	dnRes := redisClient.Set(devNonceKey, uint16(d.DevNonce), 0)
+	_, err = dnRes.Result()
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
 //GetInfo retrieves device info stored in Redis.
 func (d *Device) GetInfo() bool {
 	ulFcntKey := fmt.Sprintf("ul-fcnt-%s", d.DevEUI[:])
@@ -582,7 +619,7 @@ func (d *Device) GetInfo() bool {
 			d.UlFcnt = 0
 		}
 	} else {
-		log.Errorf("redis get key error: %s", err)
+		log.Warningf("[redis] missing ulFcnt key: %s", err)
 	}
 	dlFcntKey := fmt.Sprintf("dl-fcnt-%s", d.DevEUI[:])
 	df, err := redisClient.Get(dlFcntKey).Result()
@@ -595,7 +632,7 @@ func (d *Device) GetInfo() bool {
 			d.DlFcnt = 0
 		}
 	} else {
-		log.Errorf("redis get key error: %s", err)
+		log.Warningf("[redis] missing dlFcnt key: %s", err)
 	}
 	joinNonceKey := fmt.Sprintf("join-nonce-%s", d.DevEUI[:])
 	sjn, err := redisClient.Get(joinNonceKey).Result()
@@ -608,7 +645,7 @@ func (d *Device) GetInfo() bool {
 			d.JoinNonce = 0
 		}
 	} else {
-		log.Errorf("redis get key error: %s", err)
+		log.Warningf("[redis] missing join nonce key: %s", err)
 	}
 	devNonceKey := fmt.Sprintf("dev-nonce-%s", d.DevEUI[:])
 	sdn, err := redisClient.Get(devNonceKey).Result()
@@ -621,7 +658,7 @@ func (d *Device) GetInfo() bool {
 			d.DevNonce = 0
 		}
 	} else {
-		log.Errorf("redis get key error: %s", err)
+		log.Warningf("[redis] missing dev nonce key: %s", err)
 	}
 	//Check for dev addr and keys in case we were already joined.
 	//Set devAddr and keys at redis so we can override those from a file when we were already joined.

main.go

@@ -92,6 +92,7 @@ var files []os.FileInfo
 var saveFile bool
 var saveFilename string
 var resetDevice bool
+var setRedisValues bool
 var windowWidth = 1200
 var windowHeight = 920
 var dumpHistory bool