You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
87 lines
1.9 KiB
87 lines
1.9 KiB
package main
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"log"
|
|
"os"
|
|
"os/signal"
|
|
"syscall"
|
|
"time"
|
|
|
|
rabbitmq "github.com/wagslane/go-rabbitmq"
|
|
)
|
|
|
|
func main() {
|
|
conn, err := rabbitmq.NewConn("amqp://guest:guest@localhost")
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
defer conn.Close()
|
|
|
|
publisher, err := rabbitmq.NewPublisher(
|
|
conn,
|
|
rabbitmq.WithPublisherOptionsExchangeName("events"),
|
|
rabbitmq.WithPublisherOptionsExchangeDeclare,
|
|
rabbitmq.WithPublisherOptionsConfirm,
|
|
)
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
defer publisher.Close()
|
|
|
|
publisher.NotifyReturn(func(r rabbitmq.Return) {
|
|
log.Printf("message returned from server: %s", string(r.Body))
|
|
})
|
|
|
|
// block main thread - wait for shutdown signal
|
|
sigs := make(chan os.Signal, 1)
|
|
done := make(chan bool, 1)
|
|
|
|
signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
|
|
|
|
go func() {
|
|
sig := <-sigs
|
|
fmt.Println()
|
|
fmt.Println(sig)
|
|
done <- true
|
|
}()
|
|
|
|
fmt.Println("awaiting signal")
|
|
|
|
ticker := time.NewTicker(time.Second)
|
|
for {
|
|
select {
|
|
case <-ticker.C:
|
|
confirms, err := publisher.PublishWithDeferredConfirmWithContext(
|
|
context.Background(),
|
|
[]byte("hello, world"),
|
|
[]string{"my_routing_key"},
|
|
rabbitmq.WithPublishOptionsContentType("application/json"),
|
|
rabbitmq.WithPublishOptionsMandatory,
|
|
rabbitmq.WithPublishOptionsPersistentDelivery,
|
|
rabbitmq.WithPublishOptionsExchange("events"),
|
|
)
|
|
if err != nil {
|
|
log.Println(err)
|
|
continue
|
|
} else if len(confirms) == 0 || confirms[0] == nil {
|
|
fmt.Println("message publishing not confirmed")
|
|
continue
|
|
}
|
|
fmt.Println("message published")
|
|
ok, err := confirms[0].WaitContext(context.Background())
|
|
if err != nil {
|
|
log.Println(err)
|
|
}
|
|
if ok {
|
|
fmt.Println("message publishing confirmed")
|
|
} else {
|
|
fmt.Println("message publishing not confirmed")
|
|
}
|
|
case <-done:
|
|
fmt.Println("stopping publisher")
|
|
return
|
|
}
|
|
}
|
|
}
|