You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
learn_mqtt_go/cmd/publisher/main.go

31 lines
953 B
Go

package main
import (
"flag"
"fmt"
"git.runcible.io/learning/learn_mqtt_go/common"
mqtt "github.com/eclipse/paho.mqtt.golang"
)
func main() {
flag.Parse()
fmt.Printf("MQTT Host: %s\nMQTT Port: %s\n", *common.BrokerHost, *common.BrokerPort)
options := mqtt.NewClientOptions()
options.AddBroker(fmt.Sprintf("tcp://%s:%s", *common.BrokerHost, *common.BrokerPort))
// options.SetClientID("go_mqtt_client")
options.SetUsername("dirp")
options.SetPassword("dirp")
options.SetDefaultPublishHandler(func(client mqtt.Client, msg mqtt.Message) {
fmt.Printf("Received Message: %s from topic %s\n", msg.Payload(), msg.Topic())
})
options.OnConnect = func(c mqtt.Client) { fmt.Println("Connected to Broker") }
options.OnConnectionLost = func(c mqtt.Client, err error) { fmt.Printf("Connection Lost: %v", err) }
client := mqtt.NewClient(options)
if token := client.Connect(); token.Wait() && token.Error() != nil {
panic(token.Error())
}
}