micro/examples/pubsub/consumer/consumer.go

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package main
import (
"fmt"
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"log"
"github.com/micro/go-micro/broker"
"github.com/micro/go-micro/cmd"
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// To enable rabbitmq plugin uncomment
//_ "github.com/micro/go-plugins/broker/rabbitmq"
)
var (
topic = "go.micro.topic.foo"
)
// Example of a shared subscription which receives a subset of messages
func sharedSub() {
_, err := broker.Subscribe(topic, func(p broker.Publication) error {
fmt.Println("[sub] received message:", string(p.Message().Body), "header", p.Message().Header)
return nil
}, broker.QueueName("consumer"))
if err != nil {
fmt.Println(err)
}
}
// Example of a subscription which receives all the messages
func sub() {
_, err := broker.Subscribe(topic, func(p broker.Publication) error {
fmt.Println("[sub] received message:", string(p.Message().Body), "header", p.Message().Header)
return nil
})
if err != nil {
fmt.Println(err)
}
}
func main() {
cmd.Init()
if err := broker.Init(); err != nil {
log.Fatalf("Broker Init error: %v", err)
}
if err := broker.Connect(); err != nil {
log.Fatalf("Broker Connect error: %v", err)
}
sub()
select {}
}