mirror of https://github.com/tidwall/tile38.git
66 lines
1.5 KiB
Go
66 lines
1.5 KiB
Go
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/*
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* Copyright (c) 2013 IBM Corp.
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*
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* Seth Hoenig
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* Allan Stockdill-Mander
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* Mike Robertson
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*/
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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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"time"
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"github.com/eclipse/paho.mqtt.golang"
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)
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var f mqtt.MessageHandler = func(client mqtt.Client, msg mqtt.Message) {
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fmt.Printf("TOPIC: %s\n", msg.Topic())
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fmt.Printf("MSG: %s\n", msg.Payload())
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}
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func main() {
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mqtt.DEBUG = log.New(os.Stdout, "", 0)
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mqtt.ERROR = log.New(os.Stdout, "", 0)
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opts := mqtt.NewClientOptions().AddBroker("tcp://iot.eclipse.org:1883").SetClientID("gotrivial")
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opts.SetKeepAlive(2 * time.Second)
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opts.SetDefaultPublishHandler(f)
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opts.SetPingTimeout(1 * time.Second)
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c := mqtt.NewClient(opts)
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if token := c.Connect(); token.Wait() && token.Error() != nil {
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panic(token.Error())
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}
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if token := c.Subscribe("go-mqtt/sample", 0, nil); token.Wait() && token.Error() != nil {
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fmt.Println(token.Error())
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os.Exit(1)
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}
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for i := 0; i < 5; i++ {
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text := fmt.Sprintf("this is msg #%d!", i)
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token := c.Publish("go-mqtt/sample", 0, false, text)
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token.Wait()
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}
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time.Sleep(6 * time.Second)
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if token := c.Unsubscribe("go-mqtt/sample"); token.Wait() && token.Error() != nil {
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fmt.Println(token.Error())
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os.Exit(1)
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}
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c.Disconnect(250)
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time.Sleep(1 * time.Second)
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}
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