Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Merge pull request #98 from janvrska/mqtt-support
Add MQTT support
- Loading branch information
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| package mqtt | ||
|
|
||
| import ( | ||
| "errors" | ||
| "log" | ||
|
|
||
| mqtt "github.com/eclipse/paho.mqtt.golang" | ||
|
|
||
| "github.com/tphakala/birdnet-go/internal/conf" | ||
| ) | ||
|
|
||
| type Client struct { | ||
| Settings *conf.Settings | ||
| internalClient mqtt.Client | ||
| } | ||
|
|
||
| func New(settings *conf.Settings) (*Client, error) { | ||
| if settings == nil || settings.Realtime.MQTT.Broker == "" { | ||
| return nil, errors.New("invalid MQTT settings provided") | ||
| } | ||
| return &Client{ | ||
| Settings: settings, | ||
| }, nil | ||
| } | ||
|
|
||
| // Connect to MQTT broker | ||
| func (c *Client) Connect() error { | ||
| opts := mqtt.NewClientOptions() | ||
| opts.AddBroker(c.Settings.Realtime.MQTT.Broker) | ||
| opts.SetClientID("birdnet-go") | ||
| opts.SetUsername(c.Settings.Realtime.MQTT.Username) | ||
| opts.SetPassword(c.Settings.Realtime.MQTT.Password) | ||
| opts.SetCleanSession(true) | ||
| opts.SetAutoReconnect(true) | ||
| opts.SetOnConnectHandler(c.onConnect) | ||
| opts.SetConnectionLostHandler(c.onConnectionLost) | ||
| opts.SetConnectRetry(true) | ||
|
|
||
| client := mqtt.NewClient(opts) | ||
| c.internalClient = client | ||
|
|
||
| // It will wait infinitely until the connection is established | ||
| if token := client.Connect(); token.Wait() && token.Error() != nil { | ||
| log.Printf("Failed to connect to MQTT broker: %s", token.Error()) | ||
| return errors.New("failed to connect to MQTT broker") | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| // Publish a message to a topic | ||
| func (c *Client) Publish(topic string, payload string) error { | ||
| if c.internalClient == nil { | ||
| return errors.New("MQTT client is not initialized") | ||
| } | ||
|
|
||
| if c.internalClient.IsConnected() == false { | ||
| return errors.New("MQTT client is not connected") | ||
| } | ||
|
|
||
| token := c.internalClient.Publish(topic, 0, false, payload) | ||
| token.Wait() | ||
| return token.Error() | ||
| } | ||
|
|
||
| func (c *Client) onConnect(client mqtt.Client) { | ||
| log.Printf("Connected to MQTT broker: %s", c.Settings.Realtime.MQTT.Broker) | ||
| } | ||
|
|
||
| func (c *Client) onConnectionLost(client mqtt.Client, err error) { | ||
| log.Printf("Connection to MQTT broker lost: %s, error: %v", c.Settings.Realtime.MQTT.Broker, err) | ||
| } |