From b3ba0e00464dd74b083e83a2d706d30bbc7155fe Mon Sep 17 00:00:00 2001
From: Matthew Treinish <mtreinish@kortar.org>
Date: Tue, 9 May 2017 16:21:16 -0400
Subject: [PATCH] Add a golang firehose example
This commit adds a firehose example for go to the firehose docs.
Change-Id: I29c1abd9c152fc8fb196b2a4e1734c6642d266dc
---
doc/source/firehose.rst | 37 +++++++++++++++++++++++++++++++++++++
1 file changed, 37 insertions(+)
diff --git a/doc/source/firehose.rst b/doc/source/firehose.rst
index 888085babd..247c712847 100644
--- a/doc/source/firehose.rst
+++ b/doc/source/firehose.rst
@@ -196,6 +196,43 @@ This requires the `mqtt-hs`_ library to be installed.
terminated <- MQTT.run conf
print terminated
+Go
+''
+.. code-block:: go
+ package main
+ import (
+ "fmt"
+ MQTT "github.com/eclipse/paho.mqtt.golang"
+ "os"
+ "strconv"
+ "time"
+ )
+ func onMessageReceived(client MQTT.Client, msg MQTT.Message) {
+ fmt.Printf("TOPIC: %s\n", msg.Topic())
+ fmt.Printf("MSG: %s\n", msg.Payload())
+ }
+ func main() {
+ hostname, _ := os.Hostname()
+ opts := &MQTT.ClientOptions{
+ ClientID: hostname+strconv.Itoa(time.Now().Second()),
+ }
+ opts.AddBroker("tcp://firehose.openstack.org:1883")
+ opts.OnConnect = func(c MQTT.Client) {
+ if token := c.Subscribe("#", 0, onMessageReceived); token.Wait() && token.Error() != nil {
+ fmt.Println(token.Error())
+ os.Exit(1)
+ }
+ }
+ client := MQTT.NewClient(opts)
+ if token := client.Connect(); token.Wait() && token.Error() != nil {
+ panic(token.Error())
+ }
+ for {
+ time.Sleep(1 * time.Second)
+ }
+ }
+
+
Websocket Example
-----------------
In addition to using the raw MQTT protocol firehose.o.o provides a websocket