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Merge branch 'development' into dependabot/go_modules/go.opentelemetr…
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,81 @@ | ||
| package mqtt | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "sync" | ||
|
|
||
| mqtt "github.com/eclipse/paho.mqtt.golang" | ||
|
|
||
| "github.com/google/uuid" | ||
| ) | ||
|
|
||
| func getDefaultClient(config *Config, logger Logger, metrics Metrics) *MQTT { | ||
| var ( | ||
| host = publicBroker | ||
| port = 1883 | ||
| clientID = getClientID(config.ClientID) | ||
| ) | ||
|
|
||
| if config.Username == "gofr-mqtt-test" { | ||
| host = "test.mosquitto.org" | ||
| } | ||
|
|
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| opts := mqtt.NewClientOptions() | ||
| opts.AddBroker(fmt.Sprintf("tcp://%s:%d", host, port)) | ||
| opts.SetClientID(clientID) | ||
| opts.SetAutoReconnect(true) | ||
| opts.SetKeepAlive(config.KeepAlive) | ||
| client := mqtt.NewClient(opts) | ||
|
|
||
| if token := client.Connect(); token.Wait() && token.Error() != nil { | ||
| logger.Errorf("could not connect to MQTT at '%v:%v', error: %v", config.Hostname, config.Port, token.Error()) | ||
|
|
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| return &MQTT{Client: client, config: config, logger: logger, mu: new(sync.RWMutex), metrics: metrics} | ||
| } | ||
|
|
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| config.Hostname = host | ||
| config.Port = port | ||
| config.ClientID = clientID | ||
|
|
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| msg := make(map[string]subscription) | ||
|
|
||
| logger.Infof("connected to MQTT at '%v:%v' with clientID '%v'", config.Hostname, config.Port, clientID) | ||
|
|
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| return &MQTT{Client: client, config: config, logger: logger, subscriptions: msg, mu: new(sync.RWMutex), metrics: metrics} | ||
| } | ||
|
|
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| func getMQTTClientOptions(config *Config) *mqtt.ClientOptions { | ||
| options := mqtt.NewClientOptions() | ||
| options.AddBroker(fmt.Sprintf("%s://%s:%d", config.Protocol, config.Hostname, config.Port)) | ||
|
|
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| clientID := getClientID(config.ClientID) | ||
| options.SetClientID(clientID) | ||
|
|
||
| if config.Username != "" { | ||
| options.SetUsername(config.Username) | ||
| } | ||
|
|
||
| if config.Password != "" { | ||
| options.SetPassword(config.Password) | ||
| } | ||
|
|
||
| options.SetOrderMatters(config.Order) | ||
| options.SetResumeSubs(config.RetrieveRetained) | ||
| options.SetAutoReconnect(true) | ||
| options.SetKeepAlive(config.KeepAlive) | ||
|
|
||
| return options | ||
| } | ||
|
|
||
| func getClientID(clientID string) string { | ||
| if clientID != "" { | ||
| clientID = "-" + clientID | ||
| } | ||
|
|
||
| id, err := uuid.NewRandom() | ||
| if err != nil { | ||
| return "gofr-mqtt-default-client-id" + clientID | ||
| } | ||
|
|
||
| return id.String() + clientID | ||
| } |
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