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feat: mqtt connect/disconnect callbacks #83

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feat: mqtt connect/disconnect callbacks #83

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21 changes: 21 additions & 0 deletions iotdevice/transport/mqtt/mqtt.go
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Original file line number Diff line number Diff line change
Expand Up @@ -66,6 +66,18 @@ func WithModelID(modelID string) TransportOption {
}
}

func WithConnectCallback(callback func(*Transport)) TransportOption {
return func(tr *Transport) {
tr.connectCallback = callback
}
}

func WithDisconnectCallback(callback func(*Transport)) TransportOption {
return func(tr *Transport) {
tr.disconnectCallback = callback
}
}

// New returns new Transport transport.
// See more: https://docs.microsoft.com/en-us/azure/iot-hub/iot-hub-mqtt-support
func New(opts ...TransportOption) *Transport {
Expand Down Expand Up @@ -96,6 +108,9 @@ type Transport struct {
cocfg func(opts *mqtt.ClientOptions)

webSocket bool

connectCallback func(tr *Transport)
disconnectCallback func(tr *Transport)
}

type resp struct {
Expand Down Expand Up @@ -162,9 +177,15 @@ func (tr *Transport) Connect(ctx context.Context, creds transport.Credentials) e
}
}
tr.subm.RUnlock()
if tr.connectCallback != nil {
tr.connectCallback(tr)
}
})
o.SetConnectionLostHandler(func(_ mqtt.Client, err error) {
tr.logger.Debugf("connection lost: %v", err)
if tr.disconnectCallback != nil {
tr.disconnectCallback(tr)
}
})

if tr.cocfg != nil {
Expand Down
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