62 lines
1.2 KiB
Go
62 lines
1.2 KiB
Go
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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"strings"
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"github.com/streadway/amqp"
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)
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func failOnError(err error, msg string) {
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if err != nil {
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log.Fatalf("%s: %s", msg, err)
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panic(fmt.Sprintf("%s: %s", msg, err))
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}
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}
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func main() {
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conn, err := amqp.Dial("amqp://guest:guest@localhost:5672/")
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failOnError(err, "Failed to connect to RabbitMQ")
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defer conn.Close()
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ch, err := conn.Channel()
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failOnError(err, "Failed to open a channel")
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defer ch.Close()
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q, err := ch.QueueDeclare(
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"task_queue", // name
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true, // durable
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false, // delete when unused
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false, // exclusive
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false, // no-wait
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nil, // arguments
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)
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failOnError(err, "Failed to declare a queue")
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body := bodyFrom(os.Args)
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err = ch.Publish(
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"", // exchange
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q.Name, // routing key
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false, // mandatory
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false,
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amqp.Publishing{
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DeliveryMode: amqp.Persistent,
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ContentType: "text/plain",
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Body: []byte(body),
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})
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failOnError(err, "Failed to publish a message")
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log.Printf(" [x] Sent %s", body)
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}
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func bodyFrom(args []string) string {
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var s string
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if (len(args) < 2) || os.Args[1] == "" {
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s = "hello"
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} else {
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s = strings.Join(args[1:], " ")
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}
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return s
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}
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