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78 lines
1.5 KiB
78 lines
1.5 KiB
package main
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import (
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"fmt"
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"log"
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"os"
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"os/signal"
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"syscall"
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"time"
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amqp "github.com/rabbitmq/amqp091-go"
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rabbitmq "github.com/wagslane/go-rabbitmq"
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)
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func main() {
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publisher, err := rabbitmq.NewPublisher(
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"amqp://guest:guest@localhost", amqp.Config{},
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rabbitmq.WithPublisherOptionsLogging,
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)
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if err != nil {
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log.Fatal(err)
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}
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returns := publisher.NotifyReturn()
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go func() {
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for r := range returns {
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log.Printf("message returned from server: %s", string(r.Body))
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}
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}()
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confirmations := publisher.NotifyPublish()
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go func() {
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for c := range confirmations {
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log.Printf("message confirmed from server. tag: %v, ack: %v", c.DeliveryTag, c.Ack)
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}
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}()
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// block main thread - wait for shutdown signal
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sigs := make(chan os.Signal, 1)
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done := make(chan bool, 1)
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signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
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go func() {
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sig := <-sigs
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fmt.Println()
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fmt.Println(sig)
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done <- true
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}()
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fmt.Println("awaiting signal")
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ticker := time.NewTicker(time.Second)
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for {
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select {
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case <-ticker.C:
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err = publisher.Publish(
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[]byte("hello, world"),
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[]string{"routing_key"},
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rabbitmq.WithPublishOptionsContentType("application/json"),
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rabbitmq.WithPublishOptionsMandatory,
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rabbitmq.WithPublishOptionsPersistentDelivery,
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rabbitmq.WithPublishOptionsExchange("events"),
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)
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if err != nil {
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log.Println(err)
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}
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case <-done:
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fmt.Println("stopping publisher")
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err := publisher.StopPublishing()
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if err != nil {
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log.Fatal(err)
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}
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fmt.Println("publisher stopped")
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return
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}
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}
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}
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