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First implementation

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Cyrille Nofficial
2019-12-14 11:56:22 +01:00
parent a13838dbc5
commit be6a9c6f73
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vendor/github.com/cyrilix/robocar-base/cli/cli.go generated vendored Normal file
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package cli
import (
"log"
"os"
"strconv"
)
func SetDefaultValueFromEnv(value *string, key string, defaultValue string) {
if os.Getenv(key) != "" {
*value = os.Getenv(key)
} else {
*value = defaultValue
}
}
func SetIntDefaultValueFromEnv(value *int, key string, defaultValue int) error {
var sVal string
if os.Getenv(key) != "" {
sVal = os.Getenv(key)
val, err := strconv.Atoi(sVal)
if err != nil {
log.Printf("unable to convert string to int: %v", err)
return err
}
*value = val
} else {
*value = defaultValue
}
return nil
}

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vendor/github.com/cyrilix/robocar-base/mode/mode.go generated vendored Normal file
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package mode
import (
"log"
)
type DriveMode int
const (
DriveModeInvalid = -1
DriveModeUser = iota
DriveModePilot
)
func ToString(mode DriveMode) string {
switch mode {
case DriveModeUser:
return "user"
case DriveModePilot:
return "pilot"
default:
return ""
}
}
func ParseString(val string) DriveMode {
switch val {
case "user":
return DriveModeUser
case "pilot":
return DriveModePilot
default:
log.Printf("invalid DriveMode: %v", val)
return DriveModeInvalid
}
}

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vendor/github.com/cyrilix/robocar-base/mqttdevice/mqttdevice.go generated vendored Normal file
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package mqttdevice
import (
"fmt"
"github.com/cyrilix/robocar-base/mode"
MQTT "github.com/eclipse/paho.mqtt.golang"
"io"
"log"
"strconv"
)
type Publisher interface {
Publish(topic string, payload MqttValue)
}
type Subscriber interface {
Subscribe(topic string, mh MQTT.MessageHandler)
}
type MQTTPubSub interface {
Publisher
Subscriber
io.Closer
}
type pahoMqttPubSub struct {
Uri string
Username string
Password string
ClientId string
Qos int
Retain bool
client MQTT.Client
}
func NewPahoMqttPubSub(uri string, username string, password string, clientId string, qos int, retain bool) MQTTPubSub {
p := pahoMqttPubSub{Uri: uri, Username: username, Password: password, ClientId: clientId, Qos: qos, Retain: retain}
p.Connect()
return &p
}
// Publish message to broker
func (p *pahoMqttPubSub) Publish(topic string, payload MqttValue) {
tokenResp := p.client.Publish(topic, byte(p.Qos), p.Retain, string(payload))
if tokenResp.Error() != nil {
log.Fatalf("%+v\n", tokenResp.Error())
}
}
// Register func to execute on message
func (p *pahoMqttPubSub) Subscribe(topic string, callback MQTT.MessageHandler) {
tokenResp := p.client.Subscribe(topic, byte(p.Qos), callback)
if tokenResp.Error() != nil {
log.Fatalf("%+v\n", tokenResp.Error())
}
}
// Close connection to broker
func (p *pahoMqttPubSub) Close() error {
p.client.Disconnect(500)
return nil
}
func (p *pahoMqttPubSub) Connect() {
if p.client != nil && p.client.IsConnected() {
return
}
//create a ClientOptions struct setting the broker address, clientid, turn
//off trace output and set the default message handler
opts := MQTT.NewClientOptions().AddBroker(p.Uri)
opts.SetUsername(p.Username)
opts.SetPassword(p.Password)
opts.SetClientID(p.ClientId)
opts.SetAutoReconnect(true)
opts.SetDefaultPublishHandler(
//define a function for the default message handler
func(client MQTT.Client, msg MQTT.Message) {
fmt.Printf("TOPIC: %s\n", msg.Topic())
fmt.Printf("MSG: %s\n", msg.Payload())
})
//create and start a client using the above ClientOptions
p.client = MQTT.NewClient(opts)
if token := p.client.Connect(); token.Wait() && token.Error() != nil {
panic(token.Error())
}
}
type MqttValue []byte
func NewMqttValue(v interface{}) MqttValue {
switch val := v.(type) {
case string:
return MqttValue(val)
case float32, float64:
return MqttValue(fmt.Sprintf("%0.2f", val))
case int, int8, int16, int32, int64:
return MqttValue(fmt.Sprintf("%d", val))
case mode.DriveMode:
return MqttValue(mode.ToString(val))
case bool:
if val {
return []byte("ON")
} else {
return []byte("OFF")
}
case []byte:
return val
case MqttValue:
return val
default:
log.Printf("invalid mqtt value: %v", val)
return nil
}
}
func (m *MqttValue) IntValue() (int, error) {
return strconv.Atoi(string(*m))
}
func (m *MqttValue) Float32Value() (float32, error) {
val := string(*m)
r, err := strconv.ParseFloat(val, 32)
return float32(r), err
}
func (m *MqttValue) Float64Value() (float64, error) {
val := string(*m)
return strconv.ParseFloat(val, 64)
}
func (m *MqttValue) StringValue() (string, error) {
return string(*m), nil
}
func (m *MqttValue) ByteSliceValue() ([]byte, error) {
return *m, nil
}
func (m *MqttValue) BoolValue() (bool, error) {
val := string(*m)
switch val {
case "ON":
return true, nil
case "OFF":
return false, nil
default:
return false, fmt.Errorf("value %v can't be converted to bool", val)
}
}

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vendor/github.com/cyrilix/robocar-base/testtools/testtools.go generated vendored Normal file
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package testtools
import (
"context"
"fmt"
"github.com/cyrilix/robocar-base/mqttdevice"
mqtt "github.com/eclipse/paho.mqtt.golang"
"github.com/testcontainers/testcontainers-go"
"github.com/testcontainers/testcontainers-go/wait"
"sync"
"testing"
)
func MqttContainer(t *testing.T) (context.Context, testcontainers.Container, string) {
ctx := context.Background()
req := testcontainers.ContainerRequest{
Image: "eclipse-mosquitto",
ExposedPorts: []string{"1883/tcp"},
WaitingFor: wait.ForLog("listen socket on port 1883."),
}
mqttC, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{
ContainerRequest: req,
Started: true,
})
if err != nil {
t.Error(err)
}
ip, err := mqttC.Host(ctx)
if err != nil {
t.Error(err)
}
port, err := mqttC.MappedPort(ctx, "1883/tcp")
if err != nil {
t.Error(err)
}
mqttUri := fmt.Sprintf("tcp://%s:%d", ip, port.Int())
return ctx, mqttC, mqttUri
}
func NewFakePublisher() *FakePublisher {
return &FakePublisher{msg: make(map[string]mqttdevice.MqttValue)}
}
type FakePublisher struct {
muMsg sync.Mutex
msg map[string]mqttdevice.MqttValue
}
func (f *FakePublisher) Publish(topic string, payload mqttdevice.MqttValue) {
f.muMsg.Lock()
defer f.muMsg.Unlock()
f.msg[topic] = payload
}
func (f *FakePublisher) PublishedEvent(topic string) mqttdevice.MqttValue {
f.muMsg.Lock()
defer f.muMsg.Unlock()
return f.msg[topic]
}
type fakeMessage struct {
qos byte
topic string
payload []byte
acked bool
}
func (f *fakeMessage) Duplicate() bool {
return false
}
func (f *fakeMessage) Qos() byte {
return f.qos
}
func (f *fakeMessage) Retained() bool {
return false
}
func (f *fakeMessage) Topic() string {
return f.topic
}
func (f *fakeMessage) MessageID() uint16 {
return 1234
}
func (f *fakeMessage) Payload() []byte {
return f.payload
}
func (f *fakeMessage) Ack() {
f.acked = true
}
func NewFakeMessage(topic string, payload []byte) mqtt.Message {
return &fakeMessage{
qos: 0,
topic: topic,
payload: payload,
acked: false,
}
}