mirror of
https://github.com/go-micro/go-micro.git
synced 2024-12-06 08:16:03 +02:00
62 lines
1.1 KiB
Go
62 lines
1.1 KiB
Go
package main
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import (
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"fmt"
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"time"
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log "github.com/golang/glog"
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"github.com/myodc/go-micro/broker"
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"github.com/myodc/go-micro/cmd"
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c "github.com/myodc/go-micro/context"
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"golang.org/x/net/context"
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)
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var (
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topic = "go.micro.topic.foo"
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)
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func pub() {
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tick := time.NewTicker(time.Second)
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i := 0
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for _ = range tick.C {
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ctx := c.WithMetadata(context.Background(), map[string]string{
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"id": fmt.Sprintf("%d", i),
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})
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msg := fmt.Sprintf("%d: %s", i, time.Now().String())
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if err := broker.Publish(ctx, topic, []byte(msg)); err != nil {
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log.Errorf("[pub] failed: %v", err)
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} else {
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fmt.Println("[pub] pubbed message:", msg)
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}
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i++
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}
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}
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func sub() {
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_, err := broker.Subscribe(topic, func(ctx context.Context, msg *broker.Message) {
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md, _ := c.GetMetadata(ctx)
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fmt.Println("[sub] received message:", string(msg.Body), "context", md)
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})
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if err != nil {
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fmt.Println(err)
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}
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}
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func main() {
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cmd.Init()
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if err := broker.Init(); err != nil {
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log.Fatalf("Broker Init error: %v", err)
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}
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if err := broker.Connect(); err != nil {
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log.Fatalf("Broker Connect error: %v", err)
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}
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go pub()
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go sub()
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<-time.After(time.Second * 10)
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}
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