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init

master
lihua 5 years ago
parent
commit
6d4d38ea85
  1. 2
      .gitignore
  2. 12
      LoRaDTUConf.json
  3. 838
      LoRaDTUMock.go
  4. 9
      LoRaDTUMock.json
  5. 15
      LoRaDTUMock.manifest
  6. 3
      build.bat
  7. 14
      go.mod
  8. 595
      go.sum
  9. 107
      model/down.go
  10. 119
      model/up.go
  11. 126
      packets/packets.go
  12. 16
      packets/packettype_string.go
  13. 38
      packets/pull_ack.go
  14. 43
      packets/pull_data.go
  15. 162
      packets/pull_resp.go
  16. 39
      packets/push_ack.go
  17. 283
      packets/push_data.go
  18. 73
      packets/tx_ack.go
  19. BIN
      rsrc.syso
  20. 1
      syso.bat

2
.gitignore

@ -65,4 +65,4 @@ fabric.properties
# Android studio 3.1+ serialized cache file
.idea/caches/build_file_checksums.ser
.idea

12
LoRaDTUConf.json

@ -0,0 +1,12 @@
{
"otaa": false,
"gatewayId": "0102030405060708",
"devEui": "6ef1881ba5541419",
"devAddr": "0c18699",
"appKey": "",
"appSKey": "33998df974421457437d986eff739ffa",
"nwkSKey": "33998df974421457437d986eff739ffa",
"fPort": 2,
"fCnt": 0,
"freq": 470.3
}

838
LoRaDTUMock.go

@ -0,0 +1,838 @@
package main
import (
"LoRaDTUMock/model"
"LoRaDTUMock/packets"
"bytes"
"crypto/aes"
"crypto/tls"
"crypto/x509"
"encoding/hex"
"encoding/json"
"fmt"
"github.com/brocaar/loraserver/api/gw"
"github.com/brocaar/lorawan"
paho "github.com/eclipse/paho.mqtt.golang"
"github.com/golang/protobuf/proto"
"github.com/lxn/walk"
. "github.com/lxn/walk/declarative"
"github.com/lxn/win"
"github.com/pkg/errors"
"io/ioutil"
"math/rand"
"os"
"syscall"
"time"
)
type ConnectConfig struct {
Host string `json:"host"`
Port int `json:"port"`
Username string `json:"username"`
Password string `json:"password"`
CACert string `json:"ca_cert"`
TLSCert string `json:"tls_cert"`
TLSKey string `json:"tls_key"`
}
type DTUConfig struct {
OTAA bool `json:"otaa"`
GatewayId string `json:"gatewayId"`
DevEui string `json:"devEui"`
DevAddr string `json:"devAddr"`
AppKey string `json:"appKey"`
AppSKey string `json:"appSKey"`
NwkSKey string `json:"nwkSKey"`
FPort uint8 `json:"fPort"`
FCnt uint32 `json:"fCnt"`
Freq float64 `json:"freq"`
msg []byte
devNonce lorawan.DevNonce
}
type DTUMainWindow struct {
*walk.MainWindow
mqttClient paho.Client
upModel *model.DTUUpModel
downModel *model.DTUDownModel
upTv,downTv *walk.TableView
host,username,password *walk.LineEdit
port *walk.NumberEdit
connect, disconnect,caConf,send *walk.PushButton
msg *walk.TextEdit
ssl *walk.CheckBox
connConf ConnectConfig
dtuConf DTUConfig
connConfFileName string
dtuConfFileName string
}
func BytesToString(b []byte) string {
_,err := syscall.UTF16FromString(string(b))
if err == nil {
return string(b)
}
return ""
}
func main() {
mw := &DTUMainWindow{upModel: model.NewDTUUpModel(),downModel:model.NewDTUDownModel()}
maxWidth := int(win.GetSystemMetrics(win.SM_CXSCREEN)) - 200
maxHeight := int(win.GetSystemMetrics(win.SM_CYSCREEN)) - 100
err := MainWindow{
AssignTo: &mw.MainWindow,
Title: "LoRaDTUMock",
//Icon: "test.ico",
Size: Size{maxWidth,maxHeight },
Layout: VBox{},
Children: []Widget{
Composite{
Layout: HBox{MarginsZero: true},
Children: []Widget{
Label{Text:"主机/IP:"},
LineEdit{AssignTo:&mw.host},
Label{Text:"端口:"},
NumberEdit{AssignTo:&mw.port,MinSize:Size{Width:50}},
Label{Text:"用户名:"},
LineEdit{AssignTo:&mw.username},
Label{Text:"密码:"},
LineEdit{AssignTo:&mw.password,PasswordMode:true},
PushButton{Text:"连接", AssignTo: &mw.connect,OnClicked:mw.Connect},
PushButton{Text:"断开连接", AssignTo:&mw.disconnect, Enabled:false, OnClicked: mw.Disconnect},
CheckBox{Text:"开启SSL/TLS",AssignTo:&mw.ssl,OnClicked:mw.SSL},
PushButton{Text:"证书配置",Enabled:false,AssignTo:&mw.caConf,OnClicked: mw.ConnectConfig},
PushButton{Text:"终端配置",OnClicked: mw.DTUConfig},
PushButton{Text:"发送",AssignTo:&mw.send,OnClicked: mw.Send},
},
},
Composite{
Layout: HBox{},
Children: []Widget{
TableView{
AssignTo: &mw.upTv,
CheckBoxes: true,
ColumnsOrderable: true,
MultiSelection: true,
Columns: []TableViewColumn{
{Title: "序号"},
{Title: "终端EUI"},
{Title: "网关ID"},
{Title: "信号强度"},
{Title: "信噪比"},
{Title: "频率"},
{Title: "计数"},
{Title: "端口"},
{Title: "HEX数据"},
{Title: "ASCII数据"},
{Title: "时间"},
},
Model: mw.upModel,
OnItemActivated: mw.upTvItemActivated,
},
TableView{
AssignTo: &mw.downTv,
CheckBoxes: true,
ColumnsOrderable: true,
MultiSelection: true,
Columns: []TableViewColumn{
{Title: "序号"},
{Title: "终端EUI"},
{Title: "网关ID"},
{Title: "频率"},
{Title: "计数"},
{Title: "端口"},
{Title: "HEX数据"},
{Title: "ASCII数据"},
{Title: "时间"},
},
Model: mw.downModel,
OnItemActivated: mw.downTvItemActivated,
},
},
},
},
}.Create()
if err != nil {
panic("LoRaDTUMock窗口创建失败")
}
_ = mw.port.SetValue(1883)
dir,_ := os.Getwd()
mw.connConfFileName = dir + "/LoRaDTUMock.json"
mw.dtuConfFileName = dir + "/LoRaDTUConf.json"
data, err := ioutil.ReadFile(mw.connConfFileName)
if err == nil {
err = json.Unmarshal(data, &mw.connConf)
if err != nil {
msg := "配置文件格式错误:" + err.Error()
walk.MsgBox(mw, "错误", msg, walk.MsgBoxIconError)
return
}
_ = mw.host.SetText(mw.connConf.Host)
_ = mw.port.SetValue(float64(mw.connConf.Port))
_ = mw.username.SetText(mw.connConf.Username)
_ = mw.password.SetText(mw.connConf.Password)
}
mw.Run()
}
func newTLSConfig(cafile, certFile, certKeyFile string) (*tls.Config, error) {
if cafile == "" && certFile == "" && certKeyFile == "" {
return nil, nil
}
tlsConfig := &tls.Config{}
// Import trusted certificates from CAfile.pem.
if cafile != "" {
cacert, err := ioutil.ReadFile(cafile)
if err != nil {
return nil, err
}
certpool := x509.NewCertPool()
certpool.AppendCertsFromPEM(cacert)
tlsConfig.RootCAs = certpool // RootCAs = certs used to verify server cert.
}
// Import certificate and the key
if certFile != "" && certKeyFile != "" {
kp, err := tls.LoadX509KeyPair(certFile, certKeyFile)
if err != nil {
return nil, err
}
tlsConfig.Certificates = []tls.Certificate{kp}
}
return tlsConfig, nil
}
func (mw *DTUMainWindow) Connect() {
go func() {
if mw.host.Text() != "" && mw.port.Value() > 0 {
opts := paho.NewClientOptions()
serverAddr := fmt.Sprintf("%s:%d",mw.host.Text(),int(mw.port.Value()))
if mw.ssl.Checked() {
if mw.connConf.CACert != "" {
serverAddr = fmt.Sprintf("ssl://%s:%d",mw.host.Text(),int(mw.port.Value()))
tlsconfig, err := newTLSConfig(mw.connConf.CACert, mw.connConf.TLSCert, mw.connConf.TLSKey)
if err != nil {
msg := "证书加载错误:" + err.Error()
walk.MsgBox(mw, "错误", msg, walk.MsgBoxIconError)
}
if tlsconfig != nil {
opts.SetTLSConfig(tlsconfig)
}
}else{
msg := "证书未配置,服务端单向认证只需配置CA证书,双向认证还需配置客户端证书及秘钥"
walk.MsgBox(mw, "错误", msg, walk.MsgBoxIconError)
return
}
}
opts.AddBroker(serverAddr)
opts.SetUsername(mw.username.Text())
opts.SetPassword(mw.password.Text())
opts.SetConnectTimeout(5 * time.Second)
mw.mqttClient = paho.NewClient(opts)
token := mw.mqttClient.Connect()
if token.Wait() && token.Error() == nil {
mw.connConf.Host = mw.host.Text()
mw.connConf.Port = int(mw.port.Value())
mw.connConf.Username = mw.username.Text()
mw.connConf.Password = mw.password.Text()
var confData bytes.Buffer
d,_ := json.Marshal(&mw.connConf)
_ = json.Indent(&confData, d, "", "\t")
_ = ioutil.WriteFile(mw.connConfFileName,confData.Bytes(),0644)
mw.host.SetEnabled(false)
mw.port.SetEnabled(false)
mw.username.SetEnabled(false)
mw.password.SetEnabled(false)
mw.disconnect.SetEnabled(true)
mw.connect.SetEnabled(false)
mw.caConf.SetEnabled(false)
topic := "gateway/+/command/#"
token := mw.mqttClient.Subscribe(topic,0, mw.HandleData)
if token.Wait() && token.Error() != nil {
msg := "订阅失败:" + token.Error().Error()
walk.MsgBox(mw, "错误", msg, walk.MsgBoxIconError)
}
}else{
msg := "连接失败:" + token.Error().Error()
walk.MsgBox(mw, "错误", msg, walk.MsgBoxIconError)
}
}else{
msg := "主机/IP不能为空,端口不能为0"
walk.MsgBox(mw, "错误", msg, walk.MsgBoxIconError)
}
}()
}
func (mw *DTUMainWindow) Disconnect() {
mw.connect.SetEnabled(true)
mw.host.SetEnabled(true)
mw.port.SetEnabled(true)
mw.username.SetEnabled(true)
mw.password.SetEnabled(true)
mw.disconnect.SetEnabled(false)
mw.caConf.SetEnabled(true)
mw.mqttClient.Disconnect(0)
}
func (mw *DTUMainWindow) DTUConfig() {
var dlg *walk.Dialog
var otaa *walk.CheckBox
var gatewayId,devEUI,devAddr,appKey,appSKey,nwkSKey *walk.LineEdit
var fPort,fCnt,freq *walk.NumberEdit
var msg *walk.TextEdit
var acceptPB, cancelPB *walk.PushButton
_ = Dialog{
Title: "DTU配置",
Layout: VBox{},
AssignTo: &dlg,
DefaultButton: &acceptPB,
CancelButton: &cancelPB,
MinSize: Size{400, 200},
Children: []Widget{
Composite{
Layout:Grid{Columns: 2},
Children:[]Widget{
Label{Text:"入网方式:"},
CheckBox{AssignTo: &otaa,Text:"OTAA入网",OnClicked: func() {
if otaa.Checked() {
appKey.SetEnabled(true)
devAddr.SetEnabled(false)
appSKey.SetEnabled(false)
nwkSKey.SetEnabled(false)
}else{
appKey.SetEnabled(false)
devAddr.SetEnabled(true)
appSKey.SetEnabled(true)
nwkSKey.SetEnabled(true)
}
}},
Label{Text:"网关ID:"},
LineEdit{AssignTo:&gatewayId},
Label{Text:"终端EUI:"},
LineEdit{AssignTo:&devEUI},
Label{Text:"终端地址:"},
LineEdit{AssignTo:&devAddr},
Label{Text:"应用秘钥:"},
LineEdit{AssignTo:&appKey,Enabled:false},
Label{Text:"应用会话秘钥:"},
LineEdit{AssignTo:&appSKey},
Label{Text:"网络会话秘钥:"},
LineEdit{AssignTo:&nwkSKey},
Label{Text:"端口:"},
NumberEdit{AssignTo:&fPort},
Label{Text:"计数:"},
NumberEdit{AssignTo:&fCnt},
Label{Text:"频率:"},
NumberEdit{AssignTo:&freq,Decimals:2},
Label{Text:"消息:"},
TextEdit{AssignTo:&msg},
},
},
Composite{
Layout: HBox{},
Children: []Widget{
HSpacer{},
PushButton{
AssignTo: &acceptPB,
Text: "确定",
OnClicked: func() {
mw.dtuConf.OTAA = otaa.Checked()
mw.dtuConf.GatewayId = gatewayId.Text()
mw.dtuConf.DevEui = devEUI.Text()
mw.dtuConf.DevAddr = devAddr.Text()
mw.dtuConf.AppKey = appKey.Text()
mw.dtuConf.AppSKey = appSKey.Text()
mw.dtuConf.NwkSKey = nwkSKey.Text()
mw.dtuConf.FPort = uint8(fPort.Value())
mw.dtuConf.FCnt = uint32(fCnt.Value())
mw.dtuConf.Freq = freq.Value()
mw.dtuConf.msg = []byte(msg.Text())
var confData bytes.Buffer
d,_ := json.Marshal(&mw.dtuConf)
_ = json.Indent(&confData, d, "", "\t")
_ = ioutil.WriteFile(mw.dtuConfFileName,confData.Bytes(),0644)
dlg.Accept()
},
},
PushButton{
AssignTo: &cancelPB,
Text: "取消",
OnClicked: func() { dlg.Cancel() },
},
},
},
},
}.Create(mw)
data, err := ioutil.ReadFile(mw.dtuConfFileName)
if err == nil {
err = json.Unmarshal(data, &mw.dtuConf)
if err != nil {
msg := "配置文件格式错误:" + err.Error()
walk.MsgBox(mw, "错误", msg, walk.MsgBoxIconError)
return
}
}
otaa.SetChecked(mw.dtuConf.OTAA)
_ = gatewayId.SetText(mw.dtuConf.GatewayId)
_ = devEUI.SetText(mw.dtuConf.DevEui)
_ = devAddr.SetText(mw.dtuConf.DevAddr)
_ = appKey.SetText(mw.dtuConf.AppKey)
_ = appSKey.SetText(mw.dtuConf.AppSKey)
_ = nwkSKey.SetText(mw.dtuConf.NwkSKey)
_ = fPort.SetValue(float64(mw.dtuConf.FPort))
_ = fCnt.SetValue(float64(mw.dtuConf.FCnt))
_ = freq.SetValue(mw.dtuConf.Freq)
_ = msg.SetText(string(mw.dtuConf.msg))
dlg.Run()
}
func (mw *DTUMainWindow) SSL() {
if mw.ssl.Checked() {
mw.caConf.SetEnabled(true)
}else{
mw.caConf.SetEnabled(false)
}
}
func (mw *DTUMainWindow) ConnectConfig() {
var dlg *walk.Dialog
var caCert,tlsCert,tlsKey *walk.LineEdit
var acceptPB, cancelPB *walk.PushButton
_ = Dialog{
Title: "连接配置",
Layout: VBox{},
AssignTo: &dlg,
DefaultButton: &acceptPB,
CancelButton: &cancelPB,
MinSize: Size{400, 200},
Children: []Widget{
Composite{
Layout:Grid{Columns: 3},
Children:[]Widget{
Label{Text:"CA证书:"},
LineEdit{Text:Bind("CACert"),AssignTo:&caCert},
PushButton{Text:"打开",OnClicked: func() {
dlg := new(walk.FileDialog)
dlg.Title = "请选择CA证书"
dlg.Filter = "CA证书 (*.crt)|*.crt|所有文件 (*.*)|*.*"
if ok, err := dlg.ShowOpen(mw); err != nil {
return
} else if !ok {
return
}
_ = caCert.SetText(dlg.FilePath)
}},
Label{Text:"客户端证书:"},
LineEdit{Text:Bind("TLSCert"),AssignTo:&tlsCert},
PushButton{Text:"打开",OnClicked: func() {
dlg := new(walk.FileDialog)
dlg.Title = "请选择客户端证书"
dlg.Filter = "客户端证书 (*.crt)|*.crt|所有文件 (*.*)|*.*"
if ok, err := dlg.ShowOpen(mw); err != nil {
return
} else if !ok {
return
}
_ = tlsCert.SetText(dlg.FilePath)
}},
Label{Text:"客户端证书秘钥:"},
LineEdit{Text:Bind("TLSKey"),AssignTo:&tlsKey},
PushButton{Text:"打开",OnClicked: func() {
dlg := new(walk.FileDialog)
dlg.Title = "请选择客户端证书秘钥"
dlg.Filter = "客户端证书秘钥 (*.key)|*.key|所有文件 (*.*)|*.*"
if ok, err := dlg.ShowOpen(mw); err != nil {
return
} else if !ok {
return
}
_ = tlsKey.SetText(dlg.FilePath)
}},
},
},
Composite{
Layout: HBox{},
Children: []Widget{
HSpacer{},
PushButton{
AssignTo: &acceptPB,
Text: "确定",
OnClicked: func() {
mw.connConf.CACert = caCert.Text()
mw.connConf.TLSCert = tlsCert.Text()
mw.connConf.TLSKey = tlsKey.Text()
dlg.Accept()
},
},
PushButton{
AssignTo: &cancelPB,
Text: "取消",
OnClicked: func() { dlg.Cancel() },
},
},
},
},
}.Create(mw)
_ = caCert.SetText(mw.connConf.CACert)
_ = tlsCert.SetText(mw.connConf.TLSCert)
_ = tlsKey.SetText(mw.connConf.TLSKey)
dlg.Run()
}
func (mw *DTUMainWindow) BuildUpData() (*packets.PushDataPacket,*lorawan.PHYPayload) {
now := time.Now().Round(time.Second)
compactTS := packets.CompactTime(now)
tmms := int64(time.Second / time.Millisecond)
var phy lorawan.PHYPayload
phy.MHDR.MType = lorawan.ConfirmedDataUp
phy.MHDR.Major = lorawan.LoRaWANR1
var mac lorawan.MACPayload
_ = mac.FHDR.DevAddr.UnmarshalText([]byte(mw.dtuConf.DevAddr))
_ = mac.FHDR.FCtrl.UnmarshalBinary([]byte{128})
mac.FHDR.FCnt = mw.dtuConf.FCnt
mac.FPort = &mw.dtuConf.FPort
var dataPayload lorawan.DataPayload
_ = dataPayload.UnmarshalBinary(true, mw.dtuConf.msg)
mac.FRMPayload = []lorawan.Payload{&dataPayload}
phy.MACPayload = &mac
var aseKey lorawan.AES128Key
_ = aseKey.UnmarshalText([]byte(mw.dtuConf.NwkSKey))
_ = phy.EncryptFRMPayload(aseKey)
sf :=[...]string{"SF12","SF11","SF10","SF9","SF8","SF7"}
var dr uint8 = 5
var ch uint8 = 2
_ = phy.SetUplinkDataMIC(lorawan.LoRaWAN1_0, 0, dr, ch, aseKey, aseKey)
data,_ := phy.MarshalBinary()
var gatewayMac lorawan.EUI64
_ = gatewayMac.UnmarshalText([]byte(mw.dtuConf.GatewayId))
return &packets.PushDataPacket{
ProtocolVersion: packets.ProtocolVersion2,
RandomToken: uint16(rand.Uint32()),
GatewayMAC: gatewayMac,
Payload: packets.PushDataPayload{
RXPK: []packets.RXPK{
{
Time: &compactTS,
Tmst: 708016819,
Tmms: &tmms,
Freq: mw.dtuConf.Freq,
Chan: ch,
RFCh: 1,
Stat: 1,
Modu: "LORA",
DatR: packets.DatR{LoRa: sf[dr]+"BW125"},
CodR: "4/5",
RSSI: -51,
LSNR: 7,
Size: uint16(len(data)),
Data: data,
},
},
},
},&phy
}
func (mw *DTUMainWindow) BuildJoin() (*packets.PushDataPacket,*lorawan.PHYPayload) {
now := time.Now().Round(time.Second)
compactTS := packets.CompactTime(now)
tmms := int64(time.Second / time.Millisecond)
var phy lorawan.PHYPayload
phy.MHDR.MType = lorawan.JoinRequest
phy.MHDR.Major = lorawan.LoRaWANR1
var DevEUI lorawan.EUI64
_ = DevEUI.UnmarshalText([]byte(mw.dtuConf.DevEui))
mw.dtuConf.devNonce = lorawan.DevNonce(rand.Uint32())
phy.MACPayload = &lorawan.JoinRequestPayload{
DevEUI: DevEUI,
JoinEUI: lorawan.EUI64{8, 7, 6, 5, 4, 3, 2, 1},
DevNonce: mw.dtuConf.devNonce,
}
var aseKey lorawan.AES128Key
_ = aseKey.UnmarshalText([]byte(mw.dtuConf.AppKey))
sf :=[...]string{"SF12","SF11","SF10","SF9","SF8","SF7"}
var dr uint8 = 5
var ch uint8 = 2
_ = phy.SetUplinkJoinMIC(aseKey)
data,_ := phy.MarshalBinary()
var gatewayMac lorawan.EUI64
_ = gatewayMac.UnmarshalText([]byte(mw.dtuConf.GatewayId))
return &packets.PushDataPacket{
ProtocolVersion: packets.ProtocolVersion2,
RandomToken: uint16(rand.Uint32()),
GatewayMAC: gatewayMac,
Payload: packets.PushDataPayload{
RXPK: []packets.RXPK{
{
Time: &compactTS,
Tmst: 708016819,
Tmms: &tmms,
Freq: mw.dtuConf.Freq,
Chan: ch,
RFCh: 1,
Stat: 1,
Modu: "LORA",
DatR: packets.DatR{LoRa: sf[dr]+"BW125"},
CodR: "4/5",
RSSI: -51,
LSNR: 7,
Size: uint16(len(data)),
Data: data,
},
},
},
},&phy
}
// getNwkSKey returns the network session key.
func getNwkSKey(appkey lorawan.AES128Key, netID lorawan.NetID, joinNonce lorawan.JoinNonce, devNonce lorawan.DevNonce) (lorawan.AES128Key, error) {
return getSKey(0x01, appkey, netID, joinNonce, devNonce)
}
// getAppSKey returns the application session key.
func getAppSKey(appkey lorawan.AES128Key, netID lorawan.NetID, joinNonce lorawan.JoinNonce, devNonce lorawan.DevNonce) (lorawan.AES128Key, error) {
return getSKey(0x02, appkey, netID, joinNonce, devNonce)
}
func getSKey(typ byte, nwkKey lorawan.AES128Key, netID lorawan.NetID,joinNonce lorawan.JoinNonce, devNonce lorawan.DevNonce) (lorawan.AES128Key, error) {
var key lorawan.AES128Key
b := make([]byte, 16)
b[0] = typ
netIDB, err := netID.MarshalBinary()
if err != nil {
return key, errors.Wrap(err, "marshal binary error")
}
joinNonceB, err := joinNonce.MarshalBinary()
if err != nil {
return key, errors.Wrap(err, "marshal binary error")
}
devNonceB, err := devNonce.MarshalBinary()
if err != nil {
return key, errors.Wrap(err, "marshal binary error")
}
copy(b[1:4], joinNonceB)
copy(b[4:7], netIDB)
copy(b[7:9], devNonceB)
block, err := aes.NewCipher(nwkKey[:])
if err != nil {
return key, err
}
if block.BlockSize() != len(b) {
return key, fmt.Errorf("block-size of %d bytes is expected", len(b))
}
block.Encrypt(key[:], b)
return key, nil
}
func MarshalFRMPayload(p *lorawan.MACPayload) ([]byte, error) {
var out []byte
var b []byte
var err error
for _, fp := range p.FRMPayload {
if mac, ok := fp.(*lorawan.MACCommand); ok {
if p.FPort == nil || (p.FPort != nil && *p.FPort != 0) {
return []byte{}, errors.New("lorawan: a MAC command is only allowed when FPort=0")
}
b, err = mac.MarshalBinary()
} else {
b, err = fp.MarshalBinary()
}
if err != nil {
return nil, err
}
out = append(out, b...)
}
return out, nil
}
func (mw *DTUMainWindow) HandleData(client paho.Client, message paho.Message){
var downlinkFrame gw.DownlinkFrame
err := proto.Unmarshal(message.Payload(),&downlinkFrame)
if err == nil {
packet,err := packets.GetPullRespPacket(packets.ProtocolVersion2, uint16(rand.Uint32()),downlinkFrame)
if err == nil{
var phy lorawan.PHYPayload
err = phy.UnmarshalBinary(packet.Payload.TXPK.Data)
if err == nil {
switch phy.MHDR.MType {
case lorawan.JoinAccept:
mw.HandleJoinAccept(&phy)
case lorawan.ConfirmedDataDown,lorawan.UnconfirmedDataDown:
mw.HandleDataDown(&phy)
default:
fmt.Println("未处理的帧")
}
var origData bytes.Buffer
jsonData,_ := phy.MarshalJSON()
_ = json.Indent(&origData, jsonData, "", " ")
dd := &model.DTUDown{
Index: mw.downModel.Len() + 1,
DevEUI: mw.dtuConf.DevEui,
DevAddr: mw.dtuConf.DevAddr,
GatewayID: hex.EncodeToString(downlinkFrame.TxInfo.GatewayId),
Time:time.Now().Format("2006-01-02 15:04:05"),
OrigData:origData.String(),
}
if phy.MHDR.MType == lorawan.ConfirmedDataDown || phy.MHDR.MType == lorawan.UnconfirmedDataDown {
mpl := phy.MACPayload.(*lorawan.MACPayload)
if mpl.FPort != nil {
dd.FPort = *mpl.FPort
}
dd.FCnt = mpl.FHDR.FCnt
p,err := MarshalFRMPayload(mpl)
if err == nil {
dd.AsciiData = BytesToString(p)
dd.HexData = hex.EncodeToString(p)
}
}
mw.downModel.Items = append(mw.downModel.Items, dd)
mw.downModel.PublishRowsReset()
_ = mw.downTv.SetSelectedIndexes([]int{})
}
}
}
}
func (mw *DTUMainWindow) HandleJoinAccept(phy *lorawan.PHYPayload){
key := mw.dtuConf.AppKey
var aseKey lorawan.AES128Key
_ = aseKey.UnmarshalText([]byte(key))
err := phy.DecryptJoinAcceptPayload(aseKey)
if err != nil {
fmt.Println(err)
}
jap,ok := phy.MACPayload.(*lorawan.JoinAcceptPayload)
if !ok {
fmt.Println("lorawan: MACPayload must be of type *JoinAcceptPayload")
}
mw.dtuConf.DevAddr = jap.DevAddr.String()
dn := mw.dtuConf.devNonce
appSKey,err := getAppSKey(aseKey,jap.HomeNetID,jap.JoinNonce,dn)
if err == nil {
mw.dtuConf.AppSKey = appSKey.String()
fmt.Println(mw.dtuConf.AppSKey)
}
nwkSKey,err := getNwkSKey(aseKey,jap.HomeNetID,jap.JoinNonce,dn)
if err == nil {
mw.dtuConf.NwkSKey = nwkSKey.String()
fmt.Println(mw.dtuConf.NwkSKey)
}
}
func (mw *DTUMainWindow) HandleDataDown(phy *lorawan.PHYPayload){
key := mw.dtuConf.NwkSKey
var aseKey lorawan.AES128Key
_ = aseKey.UnmarshalText([]byte(key))
err := phy.DecryptFRMPayload(aseKey)
if err == nil {
mpl := phy.MACPayload.(*lorawan.MACPayload)
mw.dtuConf.DevAddr = mpl.FHDR.DevAddr.String()
}
}
func (mw *DTUMainWindow) PushData(gatewayEUI string,event string, msg proto.Message) {
topic := fmt.Sprintf("gateway/%s/event/%s",gatewayEUI,event)
b, err := proto.Marshal(msg)
if err != nil {
fmt.Println("marshal message error")
}
if token := mw.mqttClient.Publish(topic, 0, false, b); token.Wait() && token.Error() == nil {
fmt.Println("mqtt message ok")
}else{
fmt.Println("mqtt message error")
}
}
func (mw *DTUMainWindow) Send(){
if mw.dtuConf.OTAA && mw.dtuConf.DevAddr == ""{
packet,phy := mw.BuildJoin()
var origData bytes.Buffer
jsonData,_ := phy.MarshalJSON()
_ = json.Indent(&origData, jsonData, "", " ")
du := &model.DTUUp{
Index:mw.upModel.Len() + 1,
DevEUI:mw.dtuConf.DevEui,
MType:phy.MHDR.MType.String(),
GatewayID:mw.dtuConf.GatewayId,
Rssi:packet.Payload.RXPK[0].RSSI,
LoRaSNR:packet.Payload.RXPK[0].LSNR,
Frequency:packet.Payload.RXPK[0].Freq,
Time:time.Now().Format("2006-01-02 15:04:05"),
OrigData:origData.String(),
}
mw.upModel.Items = append(mw.upModel.Items, du)
mw.upModel.PublishRowsReset()
_ = mw.upTv.SetSelectedIndexes([]int{})
frames,_:= packet.GetUplinkFrames(true,false)
for j := range frames {
mw.PushData(mw.dtuConf.GatewayId,"up",&frames[j])
}
fmt.Println("push join ")
for cnt := 0;mw.dtuConf.DevAddr == "" && cnt < 5;cnt ++ {
time.Sleep(time.Second)
}
if mw.dtuConf.DevAddr != "" {
fmt.Println("join ok")
}else{
fmt.Println("join failed")
return
}
}
packet,phy := mw.BuildUpData()
var origData bytes.Buffer
jsonData,_ := phy.MarshalJSON()
_ = json.Indent(&origData, jsonData, "", " ")
du := &model.DTUUp{
Index:mw.upModel.Len() + 1,
DevEUI:mw.dtuConf.DevEui,
MType:phy.MHDR.MType.String(),
GatewayID:mw.dtuConf.GatewayId,
Rssi:packet.Payload.RXPK[0].RSSI,
LoRaSNR:packet.Payload.RXPK[0].LSNR,
Frequency:packet.Payload.RXPK[0].Freq,
FCnt:mw.dtuConf.FCnt,
FPort:mw.dtuConf.FPort,
HexData:hex.EncodeToString(mw.dtuConf.msg),
AsciiData:BytesToString(mw.dtuConf.msg),
Time:time.Now().Format("2006-01-02 15:04:05"),
OrigData:origData.String(),
}
mw.upModel.Items = append(mw.upModel.Items, du)
mw.upModel.PublishRowsReset()
_ = mw.upTv.SetSelectedIndexes([]int{})
frames,_:= packet.GetUplinkFrames(true,false)
for j := range frames {
mw.PushData(mw.dtuConf.GatewayId,"up",&frames[j])
}
mw.dtuConf.FCnt ++
var confData bytes.Buffer
d,_ := json.Marshal(&mw.dtuConf)
_ = json.Indent(&confData, d, "", "\t")
_ = ioutil.WriteFile(mw.dtuConfFileName,confData.Bytes(),0644)
}
func (mw *DTUMainWindow) upTvItemActivated() {
msg := ""
for _, i := range mw.upTv.SelectedIndexes() {
msg += mw.upModel.Items[i].OrigData + "\n"
}
walk.MsgBox(mw, "原始数据", msg, walk.MsgBoxOK)
}
func (mw *DTUMainWindow) downTvItemActivated() {
msg := ""
for _, i := range mw.downTv.SelectedIndexes() {
msg += mw.downModel.Items[i].OrigData + "\n"
}
walk.MsgBox(mw, "原始数据", msg, walk.MsgBoxOK)
}

9
LoRaDTUMock.json

@ -0,0 +1,9 @@
{
"host": "39.98.253.192",
"port": 1885,
"username": "",
"password": "",
"ca_cert": "",
"tls_cert": "",
"tls_key": ""
}

15
LoRaDTUMock.manifest

@ -0,0 +1,15 @@
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
<assemblyIdentity version="1.0.0.0" processorArchitecture="*" name="SomeFunkyNameHere" type="win32"/>
<dependency>
<dependentAssembly>
<assemblyIdentity type="win32" name="Microsoft.Windows.Common-Controls" version="6.0.0.0" processorArchitecture="*" publicKeyToken="6595b64144ccf1df" language="*"/>
</dependentAssembly>
</dependency>
<application xmlns="urn:schemas-microsoft-com:asm.v3">
<windowsSettings>
<dpiAwareness xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">PerMonitorV2, PerMonitor</dpiAwareness>
<dpiAware xmlns="http://schemas.microsoft.com/SMI/2005/WindowsSettings">True</dpiAware>
</windowsSettings>
</application>
</assembly>

3
build.bat

@ -0,0 +1,3 @@
rem set GOARCH=386
set CGO_ENABLED=0
go build -ldflags "-H windowsgui"

14
go.mod

@ -0,0 +1,14 @@
module LoRaDTUMock
go 1.12
require (
github.com/brocaar/loraserver v0.0.0-20190729122155-2f0bb9c308bc
github.com/brocaar/lorawan v0.0.0-20190709091804-c3a80883a8fa
github.com/eclipse/paho.mqtt.golang v1.2.0
github.com/golang/protobuf v1.3.2
github.com/lxn/walk v0.0.0-20191113135339-bf589de20b3c
github.com/lxn/win v0.0.0-20191106123917-121afc750dd3
github.com/pkg/errors v0.8.1
gopkg.in/Knetic/govaluate.v3 v3.0.0 // indirect
)

595
go.sum

@ -0,0 +1,595 @@
cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.37.4/go.mod h1:NHPJ89PdicEuT9hdPXMROBD91xc5uRDxsMtSB16k7hw=
contrib.go.opencensus.io/exporter/ocagent v0.4.12/go.mod h1:450APlNTSR6FrvC3CTRqYosuDstRB9un7SOx2k/9ckA=
github.com/Azure/azure-amqp-common-go v1.1.4/go.mod h1:FhZtXirFANw40UXI2ntweO+VOkfaw8s6vZxUiRhLYW8=
github.com/Azure/azure-sdk-for-go v21.3.0+incompatible/go.mod h1:9XXNKU+eRnpl9moKnB4QOLf1HestfXbmab5FXxiDBjc=
github.com/Azure/azure-sdk-for-go v27.3.0+incompatible/go.mod h1:9XXNKU+eRnpl9moKnB4QOLf1HestfXbmab5FXxiDBjc=
github.com/Azure/azure-service-bus-go v0.5.1/go.mod h1:Tctgev//M0s8G6mdA+ZH9esoIXuiq7qEkxoDLZwfCrA=
github.com/Azure/go-autorest v11.0.0+incompatible/go.mod h1:r+4oMnoxhatjLLJ6zxSWATqVooLgysK6ZNox3g/xq24=
github.com/Azure/go-autorest v11.1.1+incompatible/go.mod h1:r+4oMnoxhatjLLJ6zxSWATqVooLgysK6ZNox3g/xq24=
github.com/Azure/go-autorest/tracing v0.1.0/go.mod h1:ROEEAFwXycQw7Sn3DXNtEedEvdeRAgDr0izn4z5Ij88=
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/Masterminds/semver v1.4.2/go.mod h1:MB6lktGJrhw8PrUyiEoblNEGEQ+RzHPF078ddwwvV3Y=
github.com/NickBall/go-aes-key-wrap v0.0.0-20170929221519-1c3aa3e4dfc5/go.mod h1:w5D10RxC0NmPYxmQ438CC1S07zaC1zpvuNW7s5sUk2Q=
github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWXgklEdEo=
github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI=
github.com/ajg/form v0.0.0-20160822230020-523a5da1a92f/go.mod h1:uL1WgH+h2mgNtvBq0339dVnzXdBETtL2LeUXaIv25UY=
github.com/alecthomas/kingpin v2.2.6+incompatible/go.mod h1:59OFYbFVLKQKq+mqrL6Rw5bR0c3ACQaawgXx0QYndlE=
github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
github.com/apache/thrift v0.12.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
github.com/apex/log v1.1.0/go.mod h1:yA770aXIDQrhVOIGurT/pVdfCpSq1GQV/auzMN5fzvY=
github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
github.com/aws/aws-sdk-go v1.15.64/go.mod h1:E3/ieXAlvM0XWO57iftYVDLLvQ824smPP3ATZkfNZeM=
github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
github.com/blakesmith/ar v0.0.0-20150311145944-8bd4349a67f2/go.mod h1:PkYb9DJNAwrSvRx5DYA+gUcOIgTGVMNkfSCbZM8cWpI=
github.com/brocaar/loraserver v0.0.0-20190729122155-2f0bb9c308bc h1:bum9Ye6oZBx+H1yHqZhlNy9V7CDf/fBCYadMpV9xcng=
github.com/brocaar/loraserver v0.0.0-20190729122155-2f0bb9c308bc/go.mod h1:nu05fgUCXdcEJQ7KJHMw5lHO5Efxq7j+g4r5g9PryhY=
github.com/brocaar/loraserver v2.5.0+incompatible h1:Fna4CF0jW2Vl4UpjLIhR5ifW4g+oZD/w3Dq09TiJ8Z8=
github.com/brocaar/loraserver v2.5.0+incompatible/go.mod h1:VBTim0YtfWAKehjJ6k17jCnG44DzXVdL4iu+hwxg2ik=
github.com/brocaar/lorawan v0.0.0-20190709091804-c3a80883a8fa h1:UcT94Q1RMA+lTAD0kxDY5RjkhagJgcoAjIKlKvs7A8o=
github.com/brocaar/lorawan v0.0.0-20190709091804-c3a80883a8fa/go.mod h1:Fm+51pxK6mZoAQjIaWJqPmnRuXecozsM5Mf9c+kr/ko=
github.com/brocaar/lorawan v0.0.0-20191115102621-6095d473cf60 h1:jecx8QFcsUAWZojNIqOZaoAWFwkBbd3VOHZ3kv6FQxE=
github.com/brocaar/lorawan v0.0.0-20191115102621-6095d473cf60/go.mod h1:VgyRGAJ/wl1JfqZZmNlCTM8fyaIKF11YvYAGIVtedL8=
github.com/caarlos0/ctrlc v1.0.0/go.mod h1:CdXpj4rmq0q/1Eb44M9zi2nKB0QraNKuRGYGrrHhcQw=
github.com/campoy/unique v0.0.0-20180121183637-88950e537e7e/go.mod h1:9IOqJGCPMSc6E5ydlp5NIonxObaeu/Iub/X03EKPVYo=
github.com/census-instrumentation/opencensus-proto v0.2.0/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
github.com/cockroachdb/apd v1.1.0/go.mod h1:8Sl8LxpKi29FqWXR16WEFZRNSz3SoPzUzeMeY4+DwBQ=
github.com/cockroachdb/cockroach-go v0.0.0-20181001143604-e0a95dfd547c/go.mod h1:XGLbWH/ujMcbPbhZq52Nv6UrCghb1yGn//133kEsvDk=
github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd/go.mod h1:sE/e/2PUdi/liOCUjSTXgM1o87ZssimdTWN964YiIeI=
github.com/codegangsta/negroni v1.0.0/go.mod h1:v0y3T5G7Y1UlFfyxFn/QLRU4a2EuNau2iZY63YTKWo0=
github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
github.com/coreos/go-etcd v2.0.0+incompatible/go.mod h1:Jez6KQU2B/sWsbdaef3ED8NzMklzPG4d5KIOhIy30Tk=
github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
github.com/dustin/go-humanize v0.0.0-20180713052910-9f541cc9db5d/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
github.com/eapache/go-resiliency v1.1.0/go.mod h1:kFI+JgMyC7bLPUVY133qvEBtVayf5mFgVsvEsIPBvNs=
github.com/eapache/go-xerial-snappy v0.0.0-20180814174437-776d5712da21/go.mod h1:+020luEh2TKB4/GOp8oxxtq0Daoen/Cii55CzbTV6DU=
github.com/eapache/queue v1.1.0/go.mod h1:6eCeP0CKFpHLu8blIFXhExK/dRa7WDZfr6jVFPTqq+I=
github.com/eclipse/paho.mqtt.golang v1.2.0 h1:1F8mhG9+aO5/xpdtFkW4SxOJB67ukuDC3t2y2qayIX0=
github.com/eclipse/paho.mqtt.golang v1.2.0/go.mod h1:H9keYFcgq3Qr5OUJm/JZI/i6U7joQ8SYLhZwfeOo6Ts=
github.com/elazarl/go-bindata-assetfs v1.0.0/go.mod h1:v+YaWX3bdea5J/mo8dSETolEo7R71Vk1u8bnjau5yw4=
github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
github.com/fatih/structs v1.0.0/go.mod h1:9NiDSp5zOcgEDl+j00MP/WkGVPOlPRLejGD8Ga6PJ7M=
github.com/fatih/structs v1.1.0/go.mod h1:9NiDSp5zOcgEDl+j00MP/WkGVPOlPRLejGD8Ga6PJ7M=
github.com/fortytw2/leaktest v1.2.0/go.mod h1:jDsjWgpAGjm2CA7WthBh/CdZYEPF31XHquHwclZch5g=
github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
github.com/go-sql-driver/mysql v1.4.0/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG5ZlKdlhCg5w=
github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
github.com/gobuffalo/buffalo v0.12.8-0.20181004233540-fac9bb505aa8/go.mod h1:sLyT7/dceRXJUxSsE813JTQtA3Eb1vjxWfo/N//vXIY=
github.com/gobuffalo/buffalo v0.13.0/go.mod h1:Mjn1Ba9wpIbpbrD+lIDMy99pQ0H0LiddMIIDGse7qT4=
github.com/gobuffalo/buffalo-plugins v1.0.2/go.mod h1:pOp/uF7X3IShFHyobahTkTLZaeUXwb0GrUTb9ngJWTs=
github.com/gobuffalo/buffalo-plugins v1.0.4/go.mod h1:pWS1vjtQ6uD17MVFWf7i3zfThrEKWlI5+PYLw/NaDB4=
github.com/gobuffalo/buffalo-plugins v1.4.3/go.mod h1:uCzTY0woez4nDMdQjkcOYKanngeUVRO2HZi7ezmAjWY=
github.com/gobuffalo/buffalo-plugins v1.5.1/go.mod h1:jbmwSZK5+PiAP9cC09VQOrGMZFCa/P0UMlIS3O12r5w=
github.com/gobuffalo/buffalo-plugins v1.6.4/go.mod h1:/+N1aophkA2jZ1ifB2O3Y9yGwu6gKOVMtUmJnbg+OZI=
github.com/gobuffalo/buffalo-plugins v1.6.5/go.mod h1:0HVkbgrVs/MnPZ/FOseDMVanCTm2RNcdM0PuXcL1NNI=
github.com/gobuffalo/buffalo-plugins v1.6.7/go.mod h1:ZGZRkzz2PiKWHs0z7QsPBOTo2EpcGRArMEym6ghKYgk=
github.com/gobuffalo/buffalo-plugins v1.6.9/go.mod h1:yYlYTrPdMCz+6/+UaXg5Jm4gN3xhsvsQ2ygVatZV5vw=
github.com/gobuffalo/buffalo-plugins v1.6.11/go.mod h1:eAA6xJIL8OuynJZ8amXjRmHND6YiusVAaJdHDN1Lu8Q=
github.com/gobuffalo/buffalo-plugins v1.8.2/go.mod h1:9te6/VjEQ7pKp7lXlDIMqzxgGpjlKoAcAANdCgoR960=
github.com/gobuffalo/buffalo-plugins v1.8.3/go.mod h1:IAWq6vjZJVXebIq2qGTLOdlXzmpyTZ5iJG5b59fza5U=
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github.com/gobuffalo/shoulders v1.0.1/go.mod h1:V33CcVmaQ4gRUmHKwq1fiTXuf8Gp/qjQBUL5tHPmvbA=
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github.com/gobuffalo/tags v2.0.14+incompatible/go.mod h1:9XmhOkyaB7UzvuY4UoZO4s67q8/xRMVJEaakauVQYeY=
github.com/gobuffalo/tags v2.0.15+incompatible/go.mod h1:9XmhOkyaB7UzvuY4UoZO4s67q8/xRMVJEaakauVQYeY=
github.com/gobuffalo/uuid v2.0.3+incompatible/go.mod h1:ErhIzkRhm0FtRuiE/PeORqcw4cVi1RtSpnwYrxuvkfE=
github.com/gobuffalo/uuid v2.0.4+incompatible/go.mod h1:ErhIzkRhm0FtRuiE/PeORqcw4cVi1RtSpnwYrxuvkfE=
github.com/gobuffalo/uuid v2.0.5+incompatible/go.mod h1:ErhIzkRhm0FtRuiE/PeORqcw4cVi1RtSpnwYrxuvkfE=
github.com/gobuffalo/validate v2.0.3+incompatible/go.mod h1:N+EtDe0J8252BgfzQUChBgfd6L93m9weay53EWFVsMM=
github.com/gobuffalo/x v0.0.0-20181003152136-452098b06085/go.mod h1:WevpGD+5YOreDJznWevcn8NTmQEW5STSBgIkpkjzqXc=
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github.com/gofrs/uuid v3.1.0+incompatible/go.mod h1:b2aQJv3Z4Fp6yNu3cdSllBxTCLRxnplIgP/c0N/04lM=
github.com/gofrs/uuid v3.2.0+incompatible/go.mod h1:b2aQJv3Z4Fp6yNu3cdSllBxTCLRxnplIgP/c0N/04lM=
github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
github.com/gogo/protobuf v1.2.0/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
github.com/golang/mock v1.2.0/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
github.com/golang/protobuf v1.1.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.3.2 h1:6nsPYzhq5kReh6QImI3k5qWzO4PEbvbIW2cwSfR/6xs=
github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
github.com/gomodule/redigo v2.0.0+incompatible/go.mod h1:B4C85qUVwatsJoIUNIfCRsp7qO0iAmpGFZ4EELWSbC4=
github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
github.com/google/go-github v17.0.0+incompatible/go.mod h1:zLgOLi98H3fifZn+44m+umXrS52loVEgC2AApnigrVQ=
github.com/google/go-querystring v1.0.0/go.mod h1:odCYkC5MyYFN7vkCjXpyrEuKhc/BUO6wN/zVPAxq5ck=
github.com/google/martian v2.1.0+incompatible/go.mod h1:9I4somxYTbIHy5NJKHRl3wXiIaQGbYVAs8BPL6v8lEs=
github.com/google/pprof v0.0.0-20181206194817-3ea8567a2e57/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc=
github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+vpHVxEJEs9eg=
github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
github.com/gopherjs/gopherjs v0.0.0-20190328170749-bb2674552d8f h1:4Gslotqbs16iAg+1KR/XdabIfq8TlAWHdwS5QJFksLc=
github.com/gopherjs/gopherjs v0.0.0-20190328170749-bb2674552d8f/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
github.com/gopherjs/gopherjs v0.0.0-20190430165422-3e4dfb77656c/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
github.com/goreleaser/goreleaser v0.106.0/go.mod h1:YCWszXb4t6HZ7gzeg5TcbPJC2Ad8cFvsknUS0CwS3yY=
github.com/goreleaser/nfpm v0.11.0/go.mod h1:F2yzin6cBAL9gb+mSiReuXdsfTrOQwDMsuSpULof+y4=
github.com/gorilla/context v1.1.1/go.mod h1:kBGZzfjB9CEq2AlWe17Uuf7NDRt0dE0s8S51q0aT7Yg=
github.com/gorilla/mux v1.6.2/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs=
github.com/gorilla/pat v0.0.0-20180118222023-199c85a7f6d1/go.mod h1:YeAe0gNeiNT5hoiZRI4yiOky6jVdNvfO2N6Kav/HmxY=
github.com/gorilla/securecookie v1.1.1/go.mod h1:ra0sb63/xPlUeL+yeDciTfxMRAA+MP+HVt/4epWDjd4=
github.com/gorilla/sessions v1.1.2/go.mod h1:8KCfur6+4Mqcc6S0FEfKuN15Vl5MgXW92AE8ovaJD0w=
github.com/gorilla/sessions v1.1.3/go.mod h1:8KCfur6+4Mqcc6S0FEfKuN15Vl5MgXW92AE8ovaJD0w=
github.com/grpc-ecosystem/go-grpc-middleware v1.0.0/go.mod h1:FiyG127CGDf3tlThmgyCl78X/SZQqEOJBCDaAfeWzPs=
github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0/go.mod h1:8NvIoxWQoOIhqOTXgfV/d3M/q6VIi02HzZEHgUlZvzk=
github.com/grpc-ecosystem/grpc-gateway v1.8.5/go.mod h1:vNeuVxBJEsws4ogUvrchl83t/GYV9WGTSLVdBhOQFDY=
github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
github.com/imdario/mergo v0.3.4/go.mod h1:2EnlNZ0deacrJVfApfmtdGgDfMuh/nq6Ok1EcJh5FfA=
github.com/imdario/mergo v0.3.6/go.mod h1:2EnlNZ0deacrJVfApfmtdGgDfMuh/nq6Ok1EcJh5FfA=
github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
github.com/jackc/fake v0.0.0-20150926172116-812a484cc733/go.mod h1:WrMFNQdiFJ80sQsxDoMokWK1W5TQtxBFNpzWTD84ibQ=
github.com/jackc/pgx v3.2.0+incompatible/go.mod h1:0ZGrqGqkRlliWnWB4zKnWtjbSWbGkVEFm4TeybAXq+I=
github.com/jacobsa/crypto v0.0.0-20180924003735-d95898ceee07 h1:/PaS1RNKtbBEndIvzCqIgYh6GAH9ZFc8Mj4tVRVyfOA=
github.com/jacobsa/crypto v0.0.0-20180924003735-d95898ceee07/go.mod h1:LadVJg0XuawGk+8L1rYnIED8451UyNxEMdTWCEt5kmU=
github.com/jacobsa/crypto v0.0.0-20190317225127-9f44e2d11115 h1:YuDUUFNM21CAbyPOpOP8BicaTD/0klJEKt5p8yuw+uY=
github.com/jacobsa/crypto v0.0.0-20190317225127-9f44e2d11115/go.mod h1:LadVJg0XuawGk+8L1rYnIED8451UyNxEMdTWCEt5kmU=
github.com/jacobsa/oglematchers v0.0.0-20150720000706-141901ea67cd h1:9GCSedGjMcLZCrusBZuo4tyKLpKUPenUUqi34AkuFmA=
github.com/jacobsa/oglematchers v0.0.0-20150720000706-141901ea67cd/go.mod h1:TlmyIZDpGmwRoTWiakdr+HA1Tukze6C6XbRVidYq02M=
github.com/jacobsa/oglemock v0.0.0-20150831005832-e94d794d06ff h1:2xRHTvkpJ5zJmglXLRqHiZQNjUoOkhUyhTAhEQvPAWw=
github.com/jacobsa/oglemock v0.0.0-20150831005832-e94d794d06ff/go.mod h1:gJWba/XXGl0UoOmBQKRWCJdHrr3nE0T65t6ioaj3mLI=
github.com/jacobsa/ogletest v0.0.0-20170503003838-80d50a735a11 h1:BMb8s3ENQLt5ulwVIHVDWFHp8eIXmbfSExkvdn9qMXI=
github.com/jacobsa/ogletest v0.0.0-20170503003838-80d50a735a11/go.mod h1:+DBdDyfoO2McrOyDemRBq0q9CMEByef7sYl7JH5Q3BI=
github.com/jacobsa/reqtrace v0.0.0-20150505043853-245c9e0234cb h1:uSWBjJdMf47kQlXMwWEfmc864bA1wAC+Kl3ApryuG9Y=
github.com/jacobsa/reqtrace v0.0.0-20150505043853-245c9e0234cb/go.mod h1:ivcmUvxXWjb27NsPEaiYK7AidlZXS7oQ5PowUS9z3I4=
github.com/jmespath/go-jmespath v0.0.0-20160202185014-0b12d6b521d8/go.mod h1:Nht3zPeWKUH0NzdCt2Blrr5ys8VGpn0CEB0cQHVjt7k=
github.com/jmoiron/sqlx v0.0.0-20180614180643-0dae4fefe7c0/go.mod h1:IiEW3SEiiErVyFdH8NTuWjSifiEQKUoyK3LNqr2kCHU=
github.com/jmoiron/sqlx v1.2.0/go.mod h1:1FEQNm3xlJgrMD+FBdI9+xvCksHtbpVBBw5dYhBSsks=
github.com/joho/godotenv v1.2.0/go.mod h1:7hK45KPybAkOC6peb+G5yklZfMxEjkZhHbwpqxOKXbg=
github.com/joho/godotenv v1.3.0/go.mod h1:7hK45KPybAkOC6peb+G5yklZfMxEjkZhHbwpqxOKXbg=
github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU=
github.com/jteeuwen/go-bindata v3.0.7+incompatible/go.mod h1:JVvhzYOiGBnFSYRyV00iY8q7/0PThjIYav1p9h5dmKs=
github.com/jtolds/gls v4.20.0+incompatible h1:xdiiI2gbIgH/gLH7ADydsJ1uDOEzR8yvV7C0MuV77Wo=
github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
github.com/kamilsk/retry/v4 v4.0.0/go.mod h1:0af33qDvzbhQqdOBi7iOjEpmP4brbPmNZpo7chYlgcc=
github.com/karrick/godirwalk v1.7.5/go.mod h1:2c9FRhkDxdIbgkOnCEvnSWs71Bhugbl46shStcFDJ34=
github.com/karrick/godirwalk v1.7.7/go.mod h1:2c9FRhkDxdIbgkOnCEvnSWs71Bhugbl46shStcFDJ34=
github.com/karrick/godirwalk v1.7.8/go.mod h1:2c9FRhkDxdIbgkOnCEvnSWs71Bhugbl46shStcFDJ34=
github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51/go.mod h1:CzGEWj7cYgsdH8dAjBGEr58BoE7ScuLd+fwFZ44+/x8=
github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
github.com/konsorten/go-windows-terminal-sequences v0.0.0-20180402223658-b729f2633dfe/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
github.com/konsorten/go-windows-terminal-sequences v1.0.2/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFBFZlji/RkVcI2GknAs/DXo4wKdlNEc=
github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
github.com/kr/pty v1.1.3/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
github.com/lib/pq v1.0.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
github.com/lib/pq v1.1.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
github.com/lxn/walk v0.0.0-20191113135339-bf589de20b3c h1:4pJw1uBKndwiBBJpcbqP1Bf90YfqTJUsHG9DVoAfIQ8=
github.com/lxn/walk v0.0.0-20191113135339-bf589de20b3c/go.mod h1:E23UucZGqpuUANJooIbHWCufXvOcT6E7Stq81gU+CSQ=
github.com/lxn/win v0.0.0-20191106123917-121afc750dd3 h1:DvGEvKK/Qnhph/EgdBN9zXA7pEosgJ0k57ojII51JAo=
github.com/lxn/win v0.0.0-20191106123917-121afc750dd3/go.mod h1:ouWl4wViUNh8tPSIwxTVMuS014WakR1hqvBc2I0bMoA=
github.com/magiconair/properties v1.8.0/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
github.com/markbates/deplist v1.0.4/go.mod h1:gRRbPbbuA8TmMiRvaOzUlRfzfjeCCBqX2A6arxN01MM=
github.com/markbates/deplist v1.0.5/go.mod h1:gRRbPbbuA8TmMiRvaOzUlRfzfjeCCBqX2A6arxN01MM=
github.com/markbates/going v1.0.2/go.mod h1:UWCk3zm0UKefHZ7l8BNqi26UyiEMniznk8naLdTcy6c=
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github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
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github.com/uber-go/atomic v1.3.2/go.mod h1:/Ct5t2lcmbJ4OSe/waGBoaVvVqtO0bmtfVNex1PFV8g=
github.com/uber/jaeger-client-go v2.15.0+incompatible/go.mod h1:WVhlPFC8FDjOFMMWRy2pZqQJSXxYSwNYOkTr/Z6d3Kk=
github.com/uber/jaeger-lib v1.5.0/go.mod h1:ComeNDZlWwrWnDv8aPp0Ba6+uUTzImX/AauajbLI56U=
github.com/ugorji/go/codec v0.0.0-20181204163529-d75b2dcb6bc8/go.mod h1:VFNgLljTbGfSG7qAOspJ7OScBnGdDN/yBr0sguwnwf0=
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github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1:aYKd//L2LvnjZzWKhF00oedf4jCCReLcmhLdhm1A27Q=
github.com/ziutek/mymysql v1.5.4/go.mod h1:LMSpPZ6DbqWFxNCHW77HeMg9I646SAhApZ/wKdgO/C0=
go.opencensus.io v0.15.0/go.mod h1:UffZAU+4sDEINUGP/B7UfBBkq4fqLu9zXAX7ke6CHW0=
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golang.org/x/crypto v0.0.0-20181025113841-85e1b3f9139a/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
golang.org/x/crypto v0.0.0-20181025213731-e84da0312774/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
golang.org/x/crypto v0.0.0-20181106171534-e4dc69e5b2fd/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
golang.org/x/crypto v0.0.0-20181112202954-3d3f9f413869/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
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google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
google.golang.org/genproto v0.0.0-20190404172233-64821d5d2107/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
google.golang.org/grpc v1.17.0/go.mod h1:6QZJwpn2B+Zp71q/5VxRsJ6NXXVCE5NRUHRo+f3cWCs=
google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
google.golang.org/grpc v1.19.1/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
gopkg.in/Knetic/govaluate.v3 v3.0.0 h1:18mUyIt4ZlRlFZAAfVetz4/rzlJs9yhN+U02F4u1AOc=
gopkg.in/Knetic/govaluate.v3 v3.0.0/go.mod h1:csKLBORsPbafmSCGTEh3U7Ozmsuq8ZSIlKk1bcqph0E=
gopkg.in/airbrake/gobrake.v2 v2.0.9/go.mod h1:/h5ZAUhDkGaJfjzjKLSjv6zCL6O0LLBxU4K+aSYdM/U=
gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc/go.mod h1:m7x9LTH6d71AHyAX77c9yqWCCa3UKHcVEj9y7hAtKDk=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
gopkg.in/gemnasium/logrus-airbrake-hook.v2 v2.1.2/go.mod h1:Xk6kEKp8OKb+X14hQBKWaSkCsqBpgog8nAV2xsGOxlo=
gopkg.in/gomail.v2 v2.0.0-20160411212932-81ebce5c23df/go.mod h1:LRQQ+SO6ZHR7tOkpBDuZnXENFzX8qRjMDMyPD6BRkCw=
gopkg.in/gorp.v1 v1.7.2/go.mod h1:Wo3h+DBQZIxATwftsglhdD/62zRFPhGhTiu5jUJmCaw=
gopkg.in/mail.v2 v2.0.0-20180731213649-a0242b2233b4/go.mod h1:htwXN1Qh09vZJ1NVKxQqHPBaCBbzKhp5GzuJEA4VJWw=
gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
pack.ag/amqp v0.8.0/go.mod h1:4/cbmt4EJXSKlG6LCfWHoqmN0uFdy5i/+YFz+fTfhV4=
pack.ag/amqp v0.11.0/go.mod h1:4/cbmt4EJXSKlG6LCfWHoqmN0uFdy5i/+YFz+fTfhV4=

107
model/down.go

@ -0,0 +1,107 @@
package model
import (
"github.com/lxn/walk"
"sort"
)
type DTUDown struct {
Index int
DevEUI string
MType string
DevAddr string
GatewayID string
FCnt uint32
FPort uint8
HexData string
AsciiData string
Time string
checked bool
OrigData string
}
type DTUDownModel struct {
walk.TableModelBase
walk.SorterBase
SortColumn int
SortOrder walk.SortOrder
Items []*DTUDown
}
func (m *DTUDownModel) RowCount() int {
return len(m.Items)
}
func (m *DTUDownModel) Value(row, col int) interface{} {
item := m.Items[row]
switch col {
case 0:
return item.Index
case 1:
return item.DevEUI
case 2:
return item.MType
case 3:
return item.DevAddr
case 4:
return item.GatewayID
case 5:
return item.FCnt
case 6:
return item.FPort
case 7:
return item.HexData
case 8:
return item.AsciiData
case 9:
return item.Time
}
panic("unexpected col")
}
func (m *DTUDownModel) Checked(row int) bool {
return m.Items[row].checked
}
func (m *DTUDownModel) SetChecked(row int, checked bool) error {
m.Items[row].checked = checked
return nil
}
func (m *DTUDownModel) Sort(col int, order walk.SortOrder) error {
m.SortColumn, m.SortOrder = col, order
sort.Stable(m)
return m.SorterBase.Sort(col, order)
}
func (m *DTUDownModel) Len() int {
return len(m.Items)
}
func (m *DTUDownModel) Less(i, j int) bool {
a, b := m.Items[i], m.Items[j]
c := func(ls bool) bool {
if m.SortOrder == walk.SortAscending {
return ls
}
return !ls
}
switch m.SortColumn {
case 0:
return c(a.Index < b.Index)
case 2:
return c(a.DevEUI < b.DevEUI)
default:
return false
}
}
func (m *DTUDownModel) Swap(i, j int) {
m.Items[i], m.Items[j] = m.Items[j], m.Items[i]
}
func NewDTUDownModel() *DTUDownModel {
return new(DTUDownModel)
}

119
model/up.go

@ -0,0 +1,119 @@
package model
import (
"github.com/lxn/walk"
"sort"
)
type DTUUp struct {
Index int
DevEUI string
MType string
GatewayID string
Rssi int16
LoRaSNR float64
Frequency float64
FCnt uint32
FPort uint8
HexData string
AsciiData string
Time string
checked bool
OrigData string
}
type DTUUpModel struct {
walk.TableModelBase
walk.SorterBase
SortColumn int
SortOrder walk.SortOrder
Items []*DTUUp
}
func (m *DTUUpModel) RowCount() int {
return len(m.Items)
}
func (m *DTUUpModel) Value(row, col int) interface{} {
item := m.Items[row]
switch col {
case 0:
return item.Index
case 1:
return item.DevEUI
case 2:
return item.MType
case 3:
return item.GatewayID
case 4:
return item.Rssi
case 5:
return item.LoRaSNR
case 6:
return item.Frequency
case 7:
return item.FCnt
case 8:
return item.FPort
case 9:
return item.HexData
case 10:
return item.AsciiData
case 11:
return item.Time
}
panic("unexpected col")
}
func (m *DTUUpModel) Checked(row int) bool {
return m.Items[row].checked
}
func (m *DTUUpModel) SetChecked(row int, checked bool) error {
m.Items[row].checked = checked
return nil
}
func (m *DTUUpModel) Sort(col int, order walk.SortOrder) error {
m.SortColumn, m.SortOrder = col, order
sort.Stable(m)
return m.SorterBase.Sort(col, order)
}
func (m *DTUUpModel) Len() int {
return len(m.Items)
}
func (m *DTUUpModel) Less(i, j int) bool {
a, b := m.Items[i], m.Items[j]
c := func(ls bool) bool {
if m.SortOrder == walk.SortAscending {
return ls
}
return !ls
}
switch m.SortColumn {
case 0:
return c(a.Index < b.Index)
case 2:
return c(a.DevEUI < b.DevEUI)
case 4:
return c(a.Rssi < b.Rssi)
case 5:
return c(a.LoRaSNR < b.LoRaSNR)
case 6:
return c(a.Frequency < b.Frequency)
default:
return false
}
}
func (m *DTUUpModel) Swap(i, j int) {
m.Items[i], m.Items[j] = m.Items[j], m.Items[i]
}
func NewDTUUpModel() *DTUUpModel {
return new(DTUUpModel)
}

126
packets/packets.go

@ -0,0 +1,126 @@
//go:generate stringer -type=PacketType
package packets
import (
"errors"
"strconv"
"strings"
"time"
)
// PacketType defines the packet type.
type PacketType byte
// Available packet types
const (
PushData PacketType = iota
PushACK
PullData
PullResp
PullACK
TXACK
)
// Protocol versions
const (
ProtocolVersion1 uint8 = 0x01
ProtocolVersion2 uint8 = 0x02
)
// Errors
var (
ErrInvalidProtocolVersion = errors.New("gateway: invalid protocol version")
)
// GetPacketType returns the packet type for the given packet data.
func GetPacketType(data []byte) (PacketType, error) {
if len(data) < 4 {
return PacketType(0), errors.New("gateway: at least 4 bytes of data are expected")
}
if !protocolSupported(data[0]) {
return PacketType(0), ErrInvalidProtocolVersion
}
return PacketType(data[3]), nil
}
func protocolSupported(p uint8) bool {
if p == ProtocolVersion1 || p == ProtocolVersion2 {
return true
}
return false
}
// ExpandedTime implements time.Time but (un)marshals to and from
// ISO 8601 'expanded' format.
type ExpandedTime time.Time
// MarshalJSON implements the json.Marshaler interface.
func (t ExpandedTime) MarshalJSON() ([]byte, error) {
return []byte(time.Time(t).UTC().Format(`"2006-01-02 15:04:05 MST"`)), nil
}
// UnmarshalJSON implements the json.Unmarshaler interface.
func (t *ExpandedTime) UnmarshalJSON(data []byte) error {
t2, err := time.Parse(`"2006-01-02 15:04:05 MST"`, string(data))
if err != nil {
return err
}
*t = ExpandedTime(t2)
return nil
}
// CompactTime implements time.Time but (un)marshals to and from
// ISO 8601 'compact' format.
type CompactTime time.Time
// MarshalJSON implements the json.Marshaler interface.
func (t CompactTime) MarshalJSON() ([]byte, error) {
t2 := time.Time(t)
if t2.IsZero() {
return []byte("null"), nil
}
return []byte(t2.UTC().Format(`"` + time.RFC3339Nano + `"`)), nil
}
// UnmarshalJSON implements the json.Unmarshaler interface.
func (t *CompactTime) UnmarshalJSON(data []byte) error {
if string(data) == `""` {
return nil
}
t2, err := time.Parse(`"`+time.RFC3339Nano+`"`, string(data))
if err != nil {
return err
}
*t = CompactTime(t2)
return nil
}
// DatR implements the data rate which can be either a string (LoRa identifier)
// or an unsigned integer in case of FSK (bits per second).
type DatR struct {
LoRa string
FSK uint32
}
// MarshalJSON implements the json.Marshaler interface.
func (d DatR) MarshalJSON() ([]byte, error) {
if d.LoRa != "" {
return []byte(`"` + d.LoRa + `"`), nil
}
return []byte(strconv.FormatUint(uint64(d.FSK), 10)), nil
}
// UnmarshalJSON implements the json.Unmarshaler interface.
func (d *DatR) UnmarshalJSON(data []byte) error {
i, err := strconv.ParseUint(string(data), 10, 32)
if err != nil {
d.LoRa = strings.Trim(string(data), `"`)
return nil
}
d.FSK = uint32(i)
return nil
}

16
packets/packettype_string.go

@ -0,0 +1,16 @@
// Code generated by "stringer -type=PacketType"; DO NOT EDIT.
package packets
import "strconv"
const _PacketType_name = "PushDataPushACKPullDataPullRespPullACKTXACK"
var _PacketType_index = [...]uint8{0, 8, 15, 23, 31, 38, 43}
func (i PacketType) String() string {
if i >= PacketType(len(_PacketType_index)-1) {
return "PacketType(" + strconv.FormatInt(int64(i), 10) + ")"
}
return _PacketType_name[_PacketType_index[i]:_PacketType_index[i+1]]
}

38
packets/pull_ack.go

@ -0,0 +1,38 @@
package packets
import (
"encoding/binary"
"errors"
)
// PullACKPacket is used by the server to confirm that the network route is
// open and that the server can send PULL_RESP packets at any time.
type PullACKPacket struct {
ProtocolVersion uint8
RandomToken uint16
}
// MarshalBinary marshals the object in binary form.
func (p PullACKPacket) MarshalBinary() ([]byte, error) {
out := make([]byte, 4)
out[0] = p.ProtocolVersion
binary.LittleEndian.PutUint16(out[1:3], p.RandomToken)
out[3] = byte(PullACK)
return out, nil
}
// UnmarshalBinary decodes the object from binary form.
func (p *PullACKPacket) UnmarshalBinary(data []byte) error {
if len(data) != 4 {
return errors.New("gateway: 4 bytes of data are expected")
}
if data[3] != byte(PullACK) {
return errors.New("gateway: identifier mismatch (PULL_ACK expected)")
}
if !protocolSupported(data[0]) {
return ErrInvalidProtocolVersion
}
p.ProtocolVersion = data[0]
p.RandomToken = binary.LittleEndian.Uint16(data[1:3])
return nil
}

43
packets/pull_data.go

@ -0,0 +1,43 @@
package packets
import (
"encoding/binary"
"errors"
)
// PullDataPacket is used by the gateway to poll data from the server.
type PullDataPacket struct {
ProtocolVersion uint8
RandomToken uint16
GatewayMAC [8]byte
}
// MarshalBinary marshals the object in binary form.
func (p PullDataPacket) MarshalBinary() ([]byte, error) {
out := make([]byte, 4, 12)
out[0] = p.ProtocolVersion
binary.LittleEndian.PutUint16(out[1:3], p.RandomToken)
out[3] = byte(PullData)
out = append(out, p.GatewayMAC[0:len(p.GatewayMAC)]...)
return out, nil
}
// UnmarshalBinary decodes the object from binary form.
func (p *PullDataPacket) UnmarshalBinary(data []byte) error {
if len(data) != 12 {
return errors.New("gateway: 12 bytes of data are expected")
}
if data[3] != byte(PullData) {
return errors.New("gateway: identifier mismatch (PULL_DATA expected)")
}
if !protocolSupported(data[0]) {
return ErrInvalidProtocolVersion
}
p.ProtocolVersion = data[0]
p.RandomToken = binary.LittleEndian.Uint16(data[1:3])
for i := 0; i < 8; i++ {
p.GatewayMAC[i] = data[4+i]
}
return nil
}

162
packets/pull_resp.go

@ -0,0 +1,162 @@
package packets
import (
"encoding/binary"
"encoding/json"
"fmt"
"time"
"github.com/golang/protobuf/ptypes"
"github.com/pkg/errors"
"github.com/brocaar/loraserver/api/common"
"github.com/brocaar/loraserver/api/gw"
)
// PullRespPacket is used by the server to send RF packets and associated
// metadata that will have to be emitted by the gateway.
type PullRespPacket struct {
ProtocolVersion uint8
RandomToken uint16
Payload PullRespPayload
}
// MarshalBinary marshals the object in binary form.
func (p PullRespPacket) MarshalBinary() ([]byte, error) {
pb, err := json.Marshal(&p.Payload)
if err != nil {
return nil, err
}
out := make([]byte, 4, 4+len(pb))
out[0] = p.ProtocolVersion
if p.ProtocolVersion != ProtocolVersion1 {
// these two bytes are unused in ProtocolVersion1
binary.LittleEndian.PutUint16(out[1:3], p.RandomToken)
}
out[3] = byte(PullResp)
out = append(out, pb...)
return out, nil
}
// UnmarshalBinary decodes the object from binary form.
func (p *PullRespPacket) UnmarshalBinary(data []byte) error {
if len(data) < 5 {
return errors.New("gateway: at least 5 bytes of data are expected")
}
if data[3] != byte(PullResp) {
return errors.New("gateway: identifier mismatch (PULL_RESP expected)")
}
if !protocolSupported(data[0]) {
return ErrInvalidProtocolVersion
}
p.ProtocolVersion = data[0]
p.RandomToken = binary.LittleEndian.Uint16(data[1:3])
return json.Unmarshal(data[4:], &p.Payload)
}
// PullRespPayload represents the downstream JSON data structure.
type PullRespPayload struct {
TXPK TXPK `json:"txpk"`
}
// TXPK contains a RF packet to be emitted and associated metadata.
type TXPK struct {
Imme bool `json:"imme"` // Send packet immediately (will ignore tmst & time)
RFCh uint8 `json:"rfch"` // Concentrator "RF chain" used for TX (unsigned integer)
Powe uint8 `json:"powe"` // TX output power in dBm (unsigned integer, dBm precision)
Ant uint8 `json:"ant"` // Antenna number on which signal has been received
Brd uint32 `json:"brd"` // Concentrator board used for RX (unsigned integer)
Tmst *uint32 `json:"tmst,omitempty"` // Send packet on a certain timestamp value (will ignore time)
Tmms *int64 `json:"tmms,omitempty"` // Send packet at a certain GPS time (GPS synchronization required)
Freq float64 `json:"freq"` // TX central frequency in MHz (unsigned float, Hz precision)
Modu string `json:"modu"` // Modulation identifier "LORA" or "FSK"
DatR DatR `json:"datr"` // LoRa datarate identifier (eg. SF12BW500) || FSK datarate (unsigned, in bits per second)
CodR string `json:"codr,omitempty"` // LoRa ECC coding rate identifier
FDev uint16 `json:"fdev,omitempty"` // FSK frequency deviation (unsigned integer, in Hz)
NCRC bool `json:"ncrc,omitempty"` // If true, disable the CRC of the physical layer (optional)
IPol bool `json:"ipol"` // Lora modulation polarization inversion
Prea uint16 `json:"prea,omitempty"` // RF preamble size (unsigned integer)
Size uint16 `json:"size"` // RF packet payload size in bytes (unsigned integer)
Data []byte `json:"data"` // Base64 encoded RF packet payload, padding optional
}
// GetPullRespPacket returns a PullRespPacket for the given gw.DownlinkFrame.
func GetPullRespPacket(protoVersion uint8, randomToken uint16, frame gw.DownlinkFrame) (PullRespPacket, error) {
packet := PullRespPacket{
ProtocolVersion: protoVersion,
RandomToken: randomToken,
Payload: PullRespPayload{
TXPK: TXPK{
Freq: float64(frame.TxInfo.Frequency) / 1000000,
Powe: uint8(frame.TxInfo.Power),
Modu: frame.TxInfo.Modulation.String(),
Size: uint16(len(frame.PhyPayload)),
Data: frame.PhyPayload,
Ant: uint8(frame.TxInfo.Antenna),
Brd: uint32(frame.TxInfo.Board),
},
},
}
if frame.TxInfo.Modulation == common.Modulation_LORA {
modInfo := frame.TxInfo.GetLoraModulationInfo()
if modInfo == nil {
return packet, errors.New("gateway: lora_modulation_info must not be nil")
}
packet.Payload.TXPK.DatR.LoRa = fmt.Sprintf("SF%dBW%d", modInfo.SpreadingFactor, modInfo.Bandwidth)
packet.Payload.TXPK.CodR = modInfo.CodeRate
packet.Payload.TXPK.IPol = modInfo.PolarizationInversion
}
if frame.TxInfo.Modulation == common.Modulation_FSK {
modInfo := frame.TxInfo.GetFskModulationInfo()
if modInfo == nil {
return packet, errors.New("gateway: fsk_modulation_info must not be nil")
}
packet.Payload.TXPK.DatR.FSK = modInfo.Bitrate
packet.Payload.TXPK.FDev = uint16(modInfo.Bitrate / 2) // TODO: is this correct?!
}
switch frame.TxInfo.Timing {
case gw.DownlinkTiming_IMMEDIATELY:
packet.Payload.TXPK.Imme = true
case gw.DownlinkTiming_DELAY:
timingInfo := frame.TxInfo.GetDelayTimingInfo()
if timingInfo == nil {
return packet, errors.New("delay_timing_info must not be nil")
}
delay, err := ptypes.Duration(timingInfo.Delay)
if err != nil {
return packet, errors.Wrap(err, "get delay duration error")
}
if len(frame.TxInfo.Context) < 4 {
return packet, fmt.Errorf("context must contain at least 4 bytes, got: %d", len(frame.TxInfo.Context))
}
timestamp := binary.BigEndian.Uint32(frame.TxInfo.Context[0:4])
timestamp += uint32(delay / time.Microsecond)
packet.Payload.TXPK.Tmst = &timestamp
case gw.DownlinkTiming_GPS_EPOCH:
timingInfo := frame.TxInfo.GetGpsEpochTimingInfo()
if timingInfo == nil {
return packet, errors.New("gps_epoch_timing must not be nil")
}
dur, err := ptypes.Duration(timingInfo.TimeSinceGpsEpoch)
if err != nil {
return packet, errors.Wrap(err, "parse time_since_gps_epoch error")
}
durMS := int64(dur / time.Millisecond)
packet.Payload.TXPK.Tmms = &durMS
default:
return packet, fmt.Errorf("unexpected downlink timing: %s", frame.TxInfo.Timing)
}
return packet, nil
}

39
packets/push_ack.go

@ -0,0 +1,39 @@
package packets
import (
"encoding/binary"
"errors"
)
// PushACKPacket is used by the server to acknowledge immediately all the
// PUSH_DATA packets received.
type PushACKPacket struct {
ProtocolVersion uint8
RandomToken uint16
}
// MarshalBinary marshals the object in binary form.
func (p PushACKPacket) MarshalBinary() ([]byte, error) {
out := make([]byte, 4)
out[0] = p.ProtocolVersion
binary.LittleEndian.PutUint16(out[1:3], p.RandomToken)
out[3] = byte(PushACK)
return out, nil
}
// UnmarshalBinary decodes the object from binary form.
func (p *PushACKPacket) UnmarshalBinary(data []byte) error {
if len(data) != 4 {
return errors.New("gateway: 4 bytes of data are expected")
}
if data[3] != byte(PushACK) {
return errors.New("gateway: identifier mismatch (PUSH_ACK expected)")
}
if !protocolSupported(data[0]) {
return ErrInvalidProtocolVersion
}
p.ProtocolVersion = data[0]
p.RandomToken = binary.LittleEndian.Uint16(data[1:3])
return nil
}

283
packets/push_data.go

@ -0,0 +1,283 @@
package packets
import (
"encoding/binary"
"encoding/json"
"regexp"
"strconv"
"time"
"github.com/golang/protobuf/ptypes"
"github.com/pkg/errors"
"github.com/brocaar/loraserver/api/common"
"github.com/brocaar/loraserver/api/gw"
"github.com/brocaar/lorawan"
)
// loRaDataRateRegex contains a regexp for parsing the data-rate string.
var loRaDataRateRegex = regexp.MustCompile(`SF(\d+)BW(\d+)`)
// PushDataPacket type is used by the gateway mainly to forward the RF packets
// received, and associated metadata, to the server.
type PushDataPacket struct {
ProtocolVersion uint8
RandomToken uint16
GatewayMAC lorawan.EUI64
Payload PushDataPayload
}
// MarshalBinary encodes the packet into binary form compatible with the
// Semtech UDP protocol.
func (p PushDataPacket) MarshalBinary() ([]byte, error) {
pb, err := json.Marshal(&p.Payload)
if err != nil {
return nil, err
}
out := make([]byte, 4, len(pb)+12)
out[0] = p.ProtocolVersion
binary.LittleEndian.PutUint16(out[1:3], p.RandomToken)
out[3] = byte(PushData)
out = append(out, p.GatewayMAC[0:len(p.GatewayMAC)]...)
out = append(out, pb...)
return out, nil
}
// GetGatewayStats returns the gw.GatewayStats object (if the packet contains stats).
func (p PushDataPacket) GetGatewayStats() (*gw.GatewayStats, error) {
if p.Payload.Stat == nil {
return nil, nil
}
stats := gw.GatewayStats{
GatewayId: p.GatewayMAC[:],
RxPacketsReceived: p.Payload.Stat.RXNb,
RxPacketsReceivedOk: p.Payload.Stat.RXOK,
TxPacketsEmitted: p.Payload.Stat.TXNb,
TxPacketsReceived: p.Payload.Stat.DWNb,
}
// time
ts, err := ptypes.TimestampProto(time.Time(p.Payload.Stat.Time))
if err != nil {
return nil, errors.Wrap(err, "timestamp proto error")
}
stats.Time = ts
// location
if p.Payload.Stat.Lati != 0 && p.Payload.Stat.Long != 0 && p.Payload.Stat.Alti != 0 {
stats.Location = &common.Location{
Latitude: p.Payload.Stat.Lati,
Longitude: p.Payload.Stat.Long,
Altitude: float64(p.Payload.Stat.Alti),
Source: common.LocationSource_GPS,
}
}
return &stats, nil
}
// GetUplinkFrames returns a slice of gw.UplinkFrame.
func (p PushDataPacket) GetUplinkFrames(skipCRCCheck bool, FakeRxInfoTime bool) ([]gw.UplinkFrame, error) {
var frames []gw.UplinkFrame
for i := range p.Payload.RXPK {
// validate CRC
if p.Payload.RXPK[i].Stat != 1 && !skipCRCCheck {
continue
}
if len(p.Payload.RXPK[i].RSig) == 0 {
frame, err := getUplinkFrame(p.GatewayMAC[:], p.Payload.RXPK[i], FakeRxInfoTime)
if err != nil {
return nil, errors.Wrap(err, "gateway: get uplink frame error")
}
frames = append(frames, frame)
} else {
for j := range p.Payload.RXPK[i].RSig {
frame, err := getUplinkFrame(p.GatewayMAC[:], p.Payload.RXPK[i], FakeRxInfoTime)
if err != nil {
return nil, errors.Wrap(err, "gateway: get uplink frame error")
}
frame = setUplinkFrameRSig(frame, p.Payload.RXPK[i], p.Payload.RXPK[i].RSig[j])
frames = append(frames, frame)
}
}
}
return frames, nil
}
func setUplinkFrameRSig(frame gw.UplinkFrame, rxPK RXPK, rSig RSig) gw.UplinkFrame {
frame.RxInfo.Antenna = uint32(rSig.Ant)
frame.RxInfo.Channel = uint32(rSig.Chan)
frame.RxInfo.Rssi = int32(rSig.RSSIC)
frame.RxInfo.LoraSnr = rSig.LSNR
if len(rSig.ETime) != 0 {
frame.RxInfo.FineTimestampType = gw.FineTimestampType_ENCRYPTED
frame.RxInfo.FineTimestamp = &gw.UplinkRXInfo_EncryptedFineTimestamp{
EncryptedFineTimestamp: &gw.EncryptedFineTimestamp{
EncryptedNs: rSig.ETime,
AesKeyIndex: uint32(rxPK.AESK),
},
}
}
return frame
}
func getUplinkFrame(gatewayID []byte, rxpk RXPK, FakeRxInfoTime bool) (gw.UplinkFrame, error) {
frame := gw.UplinkFrame{
PhyPayload: rxpk.Data,
TxInfo: &gw.UplinkTXInfo{
Frequency: uint32(rxpk.Freq * 1000000),
},
RxInfo: &gw.UplinkRXInfo{
GatewayId: gatewayID,
Rssi: int32(rxpk.RSSI),
LoraSnr: rxpk.LSNR,
Channel: uint32(rxpk.Chan),
RfChain: uint32(rxpk.RFCh),
Board: uint32(rxpk.Brd),
Context: make([]byte, 4),
},
}
// Context
binary.BigEndian.PutUint32(frame.RxInfo.Context, rxpk.Tmst)
// Time.
if rxpk.Time != nil && !time.Time(*rxpk.Time).IsZero() {
ts, err := ptypes.TimestampProto(time.Time(*rxpk.Time))
if err != nil {
return frame, errors.Wrap(err, "gateway: timestamp proto error")
}
frame.RxInfo.Time = ts
} else if FakeRxInfoTime {
ts, _ := ptypes.TimestampProto(time.Now().UTC())
frame.RxInfo.Time = ts
}
// Time since GPS epoch
if rxpk.Tmms != nil {
d := time.Duration(*rxpk.Tmms) * time.Millisecond
frame.RxInfo.TimeSinceGpsEpoch = ptypes.DurationProto(d)
}
// LoRa data-rate
if rxpk.DatR.LoRa != "" {
frame.TxInfo.Modulation = common.Modulation_LORA
match := loRaDataRateRegex.FindStringSubmatch(rxpk.DatR.LoRa)
// parse e.g. SF12BW250 into separate variables
if len(match) != 3 {
return frame, errors.New("gateway: could not parse LoRa data-rate")
}
// cast variables to ints
sf, err := strconv.Atoi(match[1])
if err != nil {
return frame, errors.Wrap(err, "gateway: could not convert sf to int")
}
bw, err := strconv.Atoi(match[2])
if err != nil {
return frame, errors.Wrap(err, "gateway: could not parse bandwidth to int")
}
frame.TxInfo.ModulationInfo = &gw.UplinkTXInfo_LoraModulationInfo{
LoraModulationInfo: &gw.LoRaModulationInfo{
Bandwidth: uint32(bw),
SpreadingFactor: uint32(sf),
CodeRate: rxpk.CodR,
},
}
}
// FSK data-rate
if rxpk.DatR.FSK != 0 {
frame.TxInfo.Modulation = common.Modulation_FSK
frame.TxInfo.ModulationInfo = &gw.UplinkTXInfo_FskModulationInfo{
FskModulationInfo: &gw.FSKModulationInfo{
Bitrate: uint32(rxpk.DatR.FSK),
},
}
}
return frame, nil
}
// UnmarshalBinary decodes the packet from Semtech UDP binary form.
func (p *PushDataPacket) UnmarshalBinary(data []byte) error {
if len(data) < 13 {
return errors.New("gateway: at least 13 bytes are expected")
}
if data[3] != byte(PushData) {
return errors.New("gateway: identifier mismatch (PUSH_DATA expected)")
}
if !protocolSupported(data[0]) {
return ErrInvalidProtocolVersion
}
p.ProtocolVersion = data[0]
p.RandomToken = binary.LittleEndian.Uint16(data[1:3])
for i := 0; i < 8; i++ {
p.GatewayMAC[i] = data[4+i]
}
return json.Unmarshal(data[12:], &p.Payload)
}
// PushDataPayload represents the upstream JSON data structure.
type PushDataPayload struct {
RXPK []RXPK `json:"rxpk,omitempty"`
Stat *Stat `json:"stat,omitempty"`
}
// Stat contains the status of the gateway.
type Stat struct {
Time ExpandedTime `json:"time"` // UTC 'system' time of the gateway, ISO 8601 'expanded' format (e.g 2014-01-12 08:59:28 GMT)
Lati float64 `json:"lati"` // GPS latitude of the gateway in degree (float, N is +)
Long float64 `json:"long"` // GPS latitude of the gateway in degree (float, E is +)
Alti int32 `json:"alti"` // GPS altitude of the gateway in meter RX (integer)
RXNb uint32 `json:"rxnb"` // Number of radio packets received (unsigned integer)
RXOK uint32 `json:"rxok"` // Number of radio packets received with a valid PHY CRC
RXFW uint32 `json:"rxfw"` // Number of radio packets forwarded (unsigned integer)
ACKR float64 `json:"ackr"` // Percentage of upstream datagrams that were acknowledged
DWNb uint32 `json:"dwnb"` // Number of downlink datagrams received (unsigned integer)
TXNb uint32 `json:"txnb"` // Number of packets emitted (unsigned integer)
}
// RXPK contain a RF packet and associated metadata.
type RXPK struct {
Time *CompactTime `json:"time"` // UTC time of pkt RX, us precision, ISO 8601 'compact' format (e.g. 2013-03-31T16:21:17.528002Z)
Tmms *int64 `json:"tmms"` // GPS time of pkt RX, number of milliseconds since 06.Jan.1980
Tmst uint32 `json:"tmst"` // Internal timestamp of "RX finished" event (32b unsigned)
AESK uint8 `json:"aesk"` //AES key index used for encrypting fine timestamps
Chan uint8 `json:"chan"` // Concentrator "IF" channel used for RX (unsigned integer)
RFCh uint8 `json:"rfch"` // Concentrator "RF chain" used for RX (unsigned integer)
Stat int8 `json:"stat"` // CRC status: 1 = OK, -1 = fail, 0 = no CRC
Freq float64 `json:"freq"` // RX central frequency in MHz (unsigned float, Hz precision)
Brd uint32 `json:"brd"` // Concentrator board used for RX (unsigned integer)
RSSI int16 `json:"rssi"` // RSSI in dBm (signed integer, 1 dB precision)
Size uint16 `json:"size"` // RF packet payload size in bytes (unsigned integer)
DatR DatR `json:"datr"` // LoRa datarate identifier (eg. SF12BW500) || FSK datarate (unsigned, in bits per second)
Modu string `json:"modu"` // Modulation identifier "LORA" or "FSK"
CodR string `json:"codr"` // LoRa ECC coding rate identifier
LSNR float64 `json:"lsnr"` // Lora SNR ratio in dB (signed float, 0.1 dB precision)
Data []byte `json:"data"` // Base64 encoded RF packet payload, padded
RSig []RSig `json:"rsig"` // Received signal information, per antenna (Optional)
}
// RSig contains the received signal information per antenna.
type RSig struct {
Ant uint8 `json:"ant"` // Antenna number on which signal has been received
Chan uint8 `json:"chan"` // Concentrator "IF" channel used for RX (unsigned integer)
RSSIC int16 `json:"rssic"` // RSSI in dBm of the channel (signed integer, 1 dB precision)
LSNR float64 `json:"lsnr"` // Lora SNR ratio in dB (signed float, 0.1 dB precision)
ETime []byte `json:"etime"` // Encrypted 'main' fine timestamp, ns precision [0..999999999] (Optional)
}

73
packets/tx_ack.go

@ -0,0 +1,73 @@
package packets
import (
"encoding/binary"
"encoding/json"
"errors"
"github.com/brocaar/lorawan"
)
// TXACKPacket is used by the gateway to send a feedback to the server
// to inform if a downlink request has been accepted or rejected by the
// gateway.
type TXACKPacket struct {
ProtocolVersion uint8
RandomToken uint16
GatewayMAC lorawan.EUI64
Payload *TXACKPayload
}
// MarshalBinary marshals the object into binary form.
func (p TXACKPacket) MarshalBinary() ([]byte, error) {
var pb []byte
if p.Payload != nil {
var err error
pb, err = json.Marshal(p.Payload)
if err != nil {
return nil, err
}
}
out := make([]byte, 4, len(pb)+12)
out[0] = p.ProtocolVersion
binary.LittleEndian.PutUint16(out[1:3], p.RandomToken)
out[3] = byte(TXACK)
out = append(out, p.GatewayMAC[:]...)
out = append(out, pb...)
return out, nil
}
// UnmarshalBinary decodes the object from binary form.
func (p *TXACKPacket) UnmarshalBinary(data []byte) error {
if len(data) < 12 {
return errors.New("gateway: at least 12 bytes of data are expected")
}
if data[3] != byte(TXACK) {
return errors.New("gateway: identifier mismatch (TXACK expected)")
}
if !protocolSupported(data[0]) {
return ErrInvalidProtocolVersion
}
p.ProtocolVersion = data[0]
p.RandomToken = binary.LittleEndian.Uint16(data[1:3])
for i := 0; i < 8; i++ {
p.GatewayMAC[i] = data[4+i]
}
if len(data) > 13 { // the min payload + the length of at least "{}"
p.Payload = &TXACKPayload{}
return json.Unmarshal(data[12:], p.Payload)
}
return nil
}
// TXACKPayload contains the TXACKPacket payload.
type TXACKPayload struct {
TXPKACK TXPKACK `json:"txpk_ack"`
}
// TXPKACK contains the status information of the associated PULL_RESP
// packet.
type TXPKACK struct {
Error string `json:"error"`
}

BIN
rsrc.syso

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1
syso.bat

@ -0,0 +1 @@
rsrc -manifest LoRaDTUMock.manifest -ico dot.ico -o rsrc.syso
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