robocars/robocar-simulator
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

upgrade code for new simulator version

Browse Source 
* add new rotation axis
 * resize image if necessary
 * add debug logs
This commit is contained in:
Cyrille Nofficial
2021-10-17 19:03:29 +02:00
parent 2bdc945ec5
commit 3cd3d89b60
39 changed files with 7082 additions and 46 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
pkg/events/events.go
View File

@@ -5,9 +5,9 @@ import (
"github.com/cyrilix/robocar-simulator/pkg/gateway"
mqtt "github.com/eclipse/paho.mqtt.golang"
"github.com/golang/protobuf/proto"
"go.uber.org/zap"
"sync"
"time"
"go.uber.org/zap"
)
func NewMsgPublisher(srcEvents gateway.SimulatorSource, p Publisher, topicFrame, topicSteering, topicThrottle string) *MsgPublisher {
@@ -113,6 +113,7 @@ func (m *MsgPublisher) listenFrame() {
msg := <-msgChan
if msg == nil {
// channel closed
logr.Info("received empty message, channel closed")
break
}
logr.Debugf("new frame %v", msg.Id)

19
pkg/gateway/controls_test.go
View File

@@ -40,7 +40,7 @@ func TestGateway_Start(t *testing.T) {
OffsetZ: "0",
RotX: "0",
}
gw := New(simulatorMock.Addr(),
gw, err := New(simulatorMock.Addr(),
&carConfig,
&simulator.RacerBioMsg{},
&camConfig,
@@ -130,10 +130,13 @@ func TestGateway_WriteSteering(t *testing.T) {
}
}()
gw := New(simulatorMock.Addr(),
gw, err := New(simulatorMock.Addr(),
&simulator.CarConfigMsg{MsgType: simulator.MsgTypeCarConfig},
&simulator.RacerBioMsg{},
&simulator.CamConfigMsg{})
&simulator.CamConfigMsg{
ImgH: "128",
ImgW: "160",
})
if err != nil {
t.Fatalf("unable to init simulator gateway: %v", err)
}
@@ -254,10 +257,16 @@ func TestGateway_WriteThrottle(t *testing.T) {
}
}()
gw := New(simulatorMock.Addr(), &simulator.CarConfigMsg{MsgType: simulator.MsgTypeCarConfig},
gw, err := New(simulatorMock.Addr(), &simulator.CarConfigMsg{MsgType: simulator.MsgTypeCarConfig},
&simulator.RacerBioMsg{},
&simulator.CamConfigMsg{})
&simulator.CamConfigMsg{
ImgH: "128",
ImgW: "160",
})
if err != nil {
t.Fatalf("unable to init simulator gateway: %v", err)
}
//go gw.Start()
//<- simulatorMock.NotifyCar()

136
pkg/gateway/gateway.go
View File

@@ -2,15 +2,20 @@ package gateway
import (
"bufio"
"bytes"
"encoding/json"
"fmt"
"github.com/avast/retry-go"
"github.com/cyrilix/robocar-protobuf/go/events"
"github.com/cyrilix/robocar-simulator/pkg/simulator"
"github.com/disintegration/imaging"
"github.com/golang/protobuf/ptypes/timestamp"
"go.uber.org/zap"
"image"
"image/jpeg"
"io"
"net"
"strconv"
"sync"
"time"
)
@@ -31,10 +36,19 @@ type ThrottleSource interface {
SubscribeThrottle() <-chan *events.ThrottleMessage
}
func New(addressSimulator string, car *simulator.CarConfigMsg, racer *simulator.RacerBioMsg, camera *simulator.CamConfigMsg) *Gateway {
func New(addressSimulator string, car *simulator.CarConfigMsg, racer *simulator.RacerBioMsg, camera *simulator.CamConfigMsg) (*Gateway, error) {
l := zap.S().With("simulator", addressSimulator)
l.Info("run gateway from simulator")
imgHeight, err := strconv.Atoi(camera.ImgH)
if err != nil {
return nil, fmt.Errorf("invalid camera configuration, height should be a number: %w", err)
}
imgWidth, err := strconv.Atoi(camera.ImgW)
if err != nil {
return nil, fmt.Errorf("invalid camera configuration, width should be a number: %w", err)
}
return &Gateway{
address: addressSimulator,
log: l,
@@ -46,9 +60,11 @@ func New(addressSimulator string, car *simulator.CarConfigMsg, racer *simulator.
racerSubscribers: make(map[chan *simulator.Msg]interface{}),
cameraSubscribers: make(map[chan *simulator.Msg]interface{}),
carConfig: car,
imgWidth: imgWidth,
imgHeight: imgHeight,
racer: racer,
cameraConfig: camera,
}
}, nil
}
// Gateway is Simulator interface to events gateway frames into events topicFrame
@@ -76,34 +92,46 @@ type Gateway struct {
cameraSubscribers map[chan *simulator.Msg]interface{}
carConfig *simulator.CarConfigMsg
imgHeight int
imgWidth int
racer *simulator.RacerBioMsg
cameraConfig *simulator.CamConfigMsg
}
func (g *Gateway) Start() error {
g.log.Info("connect to simulator")
g.cancel = make(chan interface{})
msgChan := g.subscribeTelemetryEvents()
go g.run()
err := g.writeRacerConfig()
if err != nil {
return fmt.Errorf("unable to configure racer to server: %v", err)
}
err = g.writeCarConfig()
if err != nil {
return fmt.Errorf("unable to configure car to server: %v", err)
}
err = g.writeCameraConfig()
if err != nil {
return fmt.Errorf("unable to configure camera to server: %v", err)
}
err = g.writeCarConfig()
if err != nil {
return fmt.Errorf("unable to configure car to server: %v", err)
}
msgChan := g.subscribeTelemetryEvents()
for {
select {
case msg := <-msgChan:
fr := g.publishFrame(msg)
g.log.Debug("try to publish frame")
fr, err := g.publishFrame(msg)
if err != nil {
zap.S().Errorf("unable to publish frame, ignore event %v: %v", msg, err)
}
g.log.Debugf("frame published: %v", fr)
go g.publishInputSteering(msg, fr)
go g.publishInputThrottle(msg, fr)
case <-g.cancel:
@@ -195,12 +223,20 @@ func (g *Gateway) listen() error {
err = json.Unmarshal(rawLine, &msg)
if err != nil {
g.log.Errorf("unable to unmarshal simulator msg '%v': %v", string(rawLine), err)
continue
}
g.log.Debugf("new message of type %v", string(msg.MsgType))
switch msg.MsgType {
case "":
g.log.Debug("ping")
case simulator.MsgTypeTelemetry:
g.broadcastTelemetryMsg(rawLine)
case simulator.MsgTypeCarLoaded:
g.log.Debugf("car loaded: %v",string(rawLine))
if err := g.writeCarConfig(); err != nil{
zap.S().Errorf("unable to send car config: %v", err)
}
g.broadcastCarMsg(rawLine)
case simulator.MsgTypeRacerInfo:
g.broadcastRacerMsg(rawLine)
@@ -211,50 +247,55 @@ func (g *Gateway) listen() error {
}
func (g *Gateway) broadcastTelemetryMsg(rawLine []byte) {
var tMsg simulator.TelemetryMsg
err := json.Unmarshal(rawLine, &tMsg)
if err != nil {
g.log.Errorf("unable to unmarshal telemetry simulator msg '%v': %v", string(rawLine), err)
return
}
g.log.Debugf("broadcast %d telemetry'", len(g.telemetrySubscribers))
for c := range g.telemetrySubscribers {
var tMsg simulator.TelemetryMsg
err := json.Unmarshal(rawLine, &tMsg)
if err != nil {
g.log.Errorf("unable to unmarshal telemetry simulator msg '%v': %v", string(rawLine), err)
}
g.log.Debugf("broadcast telemetry ")
c <- &tMsg
}
}
func (g *Gateway) broadcastCarMsg(rawLine []byte) {
var tMsg simulator.Msg
err := json.Unmarshal(rawLine, &tMsg)
if err != nil {
g.log.Errorf("unable to unmarshal car simulator msg '%v': %v", string(rawLine), err)
return
}
for c := range g.carSubscribers {
var tMsg simulator.Msg
err := json.Unmarshal(rawLine, &tMsg)
if err != nil {
g.log.Errorf("unable to unmarshal car simulator msg '%v': %v", string(rawLine), err)
}
c <- &tMsg
}
}
func (g *Gateway) broadcastRacerMsg(rawLine []byte) {
var tMsg simulator.Msg
err := json.Unmarshal(rawLine, &tMsg)
if err != nil {
g.log.Errorf("unable to unmarshal racer simulator msg '%v': %v", string(rawLine), err)
return
}
for c := range g.racerSubscribers {
var tMsg simulator.Msg
err := json.Unmarshal(rawLine, &tMsg)
if err != nil {
g.log.Errorf("unable to unmarshal racer simulator msg '%v': %v", string(rawLine), err)
}
c <- &tMsg
}
}
func (g *Gateway) broadcastCameraMsg(rawLine []byte) {
var tMsg simulator.Msg
err := json.Unmarshal(rawLine, &tMsg)
if err != nil {
g.log.Errorf("unable to unmarshal camera simulator msg '%v': %v", string(rawLine), err)
return
}
for c := range g.cameraSubscribers {
var tMsg simulator.Msg
err := json.Unmarshal(rawLine, &tMsg)
if err != nil {
g.log.Errorf("unable to unmarshal camera simulator msg '%v': %v", string(rawLine), err)
}
c <- &tMsg
}
}
func (g *Gateway) publishFrame(msgSim *simulator.TelemetryMsg) *events.FrameRef {
func (g *Gateway) publishFrame(msgSim *simulator.TelemetryMsg) (*events.FrameRef, error) {
now := time.Now()
frameRef := &events.FrameRef{
Name: "gateway",
@@ -264,17 +305,32 @@ func (g *Gateway) publishFrame(msgSim *simulator.TelemetryMsg) *events.FrameRef
Nanos: int32(now.Nanosecond()),
},
}
msg := &events.FrameMessage{
Id: frameRef,
Frame: msgSim.Image,
}
g.log.Debugf("events frame '%v/%v'", msg.Id.Name, msg.Id.Id)
img, _, err := image.Decode(bytes.NewReader(msgSim.Image))
if err != nil {
return nil, fmt.Errorf("bad image, skip simulator event: %w", err)
}
if img.Bounds().Dy() != g.imgHeight || img.Bounds().Dx() != g.imgWidth {
zap.S().Debugf("resize simulator image from (%vx%v) -> (%dx%d)", img.Bounds().Dx(), img.Bounds().Dy(), g.imgWidth, g.imgHeight)
img = imaging.Resize(img, g.imgWidth, g.imgHeight, imaging.NearestNeighbor)
var imgBuf bytes.Buffer
err = jpeg.Encode(&imgBuf, img, nil)
if err != nil {
return nil, fmt.Errorf("unable to encode to peg resized image: %w", err)
}
msg.Frame = imgBuf.Bytes()
}
g.log.Debugf("events frame '%v/%v'", msg.Id.Name, msg.Id.Id)
for fs := range g.frameSubscribers {
fs <- msg
}
return frameRef
return frameRef, nil
}
func (g *Gateway) publishInputSteering(msgSim *simulator.TelemetryMsg, frameRef *events.FrameRef) {
@@ -374,6 +430,7 @@ func (g *Gateway) WriteSteering(message *events.SteeringMessage) {
g.initLastControlMsg()
g.lastControl.Steering = fmt.Sprintf("%.2f", message.Steering)
zap.S().Debugf("steering updated: %v", g.lastControl.Steering)
g.writeControlCommandToSimulator()
}
@@ -401,7 +458,7 @@ func (g *Gateway) writeCommand(content []byte) error {
g.log.Debugf("write command to simulator: %v", string(content))
w := bufio.NewWriter(g.conn)
_, err := w.Write(append(content, '\n'))
_, err := w.Write(content)
if err != nil {
return fmt.Errorf("unable to write control msg \"%#v\" to simulator: %v", g.lastControl, err)
}
@@ -425,6 +482,7 @@ func (g *Gateway) WriteThrottle(message *events.ThrottleMessage) {
g.lastControl.Brake = fmt.Sprintf("%.2f", -1*message.Throttle)
}
zap.S().Debugf("throttle updated: %v, brake: %v", g.lastControl.Throttle, g.lastControl.Brake)
g.writeControlCommandToSimulator()
}
@@ -456,9 +514,13 @@ func (g *Gateway) writeCarConfig() error {
return fmt.Errorf("unable to send car config to simulator: %v", err)
}
msg := <-carChan
g.log.Infof("Car loaded: %v", msg)
time.Sleep(250 * time.Millisecond)
select {
case msg := <-carChan:
g.log.Infof("Car loaded: %v", msg)
case <-time.Tick(250 * time.Millisecond):
g.log.Info("no response after car loading")
}
return nil
}
@@ -482,6 +544,7 @@ func (g *Gateway) writeRacerConfig() error {
case msg := <-racerChan:
g.log.Infof("Racer loaded: %v", msg)
case <-time.Tick(250 * time.Millisecond):
g.log.Info("no response after racer loading")
}
return nil
}
@@ -506,6 +569,7 @@ func (g *Gateway) writeCameraConfig() error {
case msg := <-cameraChan:
g.log.Infof("Camera configured: %v", msg)
case <-time.Tick(250 * time.Millisecond):
g.log.Info("no response after camera loading")
}
return nil
}

5
pkg/gateway/gateway_test.go
View File

@@ -25,11 +25,14 @@ func TestGateway_ListenEvents(t *testing.T) {
}
}()
gw := New(simulatorMock.Addr(),
gw, err := New(simulatorMock.Addr(),
&simulator.CarConfigMsg{MsgType: simulator.MsgTypeCarConfig},
&simulator.RacerBioMsg{},
&simulator.CamConfigMsg{},
)
if err != nil {
t.Fatalf("unable to init test: %v", err)
}
go func() {
err := gw.Start()
if err != nil {

2
pkg/simulator/simulator.go
View File

@@ -113,4 +113,6 @@ type CamConfigMsg struct {
OffsetY string `json:"offset_y"`
OffsetZ string `json:"offset_z"`
RotX string `json:"rot_x"`
RotY string `json:"rot_y"`
RotZ string `json:"rot_z"`
}