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retry MQTT connections, even if initial connection attempt fails

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This commit is contained in:
Michael Stapelberg 2020-12-31 16:42:01 +01:00
parent 32b0dc7d59
commit c3c531931c
1 changed files with 1 additions and 0 deletions
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cmd/dhcp4d/mayqtt.go
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@ -30,6 +30,7 @@ func publisherLoop(requests <-chan PublishRequest) error {
log.Printf("Connecting to MQTT broker %q (configured in %s)", broker, configFn) log.Printf("Connecting to MQTT broker %q (configured in %s)", broker, configFn)
opts := mqtt.NewClientOptions().AddBroker(broker) opts := mqtt.NewClientOptions().AddBroker(broker)
opts.SetClientID("dhcp4d") opts.SetClientID("dhcp4d")
opts.SetConnectRetry(true)
mqttClient := mqtt.NewClient(opts) mqttClient := mqtt.NewClient(opts)
if token := mqttClient.Connect(); token.Wait() && token.Error() != nil { if token := mqttClient.Connect(); token.Wait() && token.Error() != nil {
return fmt.Errorf("MQTT connection failed: %v", token.Error()) return fmt.Errorf("MQTT connection failed: %v", token.Error())