implement devices

hardware/os2l/OS2LEndpoint.go

@@ -33,7 +33,9 @@ type Endpoint struct {
 	listener       net.Listener          // Net listener (TCP)
 	listenerCancel context.CancelFunc    // Call this function to cancel the endpoint activation
 
-	eventCallback func(any) // This callback is called for returning events
+	eventCallback        func(any)                                                           // This callback is called for returning events
+	addDeviceCallback    func(context.Context, hardware.DeviceInfo, hardware.Endpoint) error // Add a device to the hardware
+	removeDeviceCallback func(context.Context, string) error                                 // Remove a device from the hardware
 }
 
 // NewOS2LEndpoint creates a new OS2L endpoint
@@ -52,6 +54,16 @@ func (p *Endpoint) SetEventCallback(eventCallback func(any)) {
 	p.eventCallback = eventCallback
 }
 
+// SetDeviceArrivalCallback is called when we need to add a new device to the hardware
+func (p *Endpoint) SetDeviceArrivalCallback(adc func(context.Context, hardware.DeviceInfo, hardware.Endpoint) error) {
+	p.addDeviceCallback = adc
+}
+
+// SetDeviceRemovalCallback is called when we need to remove a device from the hardware
+func (p *Endpoint) SetDeviceRemovalCallback(rdc func(context.Context, string) error) {
+	p.removeDeviceCallback = rdc
+}
+
 // Connect connects the OS2L endpoint
 func (p *Endpoint) Connect(ctx context.Context) error {
 	runtime.EventsEmit(ctx, string(hardware.EndpointStatusUpdated), p.GetInfo(), hardware.EndpointStatusConnecting)
@@ -68,6 +80,14 @@ func (p *Endpoint) Connect(ctx context.Context) error {
 
 	runtime.EventsEmit(ctx, string(hardware.EndpointStatusUpdated), p.GetInfo(), hardware.EndpointStatusDeactivated)
 	log.Info().Str("file", "OS2LEndpoint").Msg("OS2L endpoint connected")
+
+	// TODO: To remove : simulate a device arrival/removal
+	p.addDeviceCallback(ctx, hardware.DeviceInfo{
+		SerialNumber: "0DE3FF",
+		Name:         "OS2L test device",
+		Manufacturer: "BlueSig",
+		Version:      "0.1.0-dev",
+	}, p)
 	return nil
 }
 
@@ -130,6 +150,8 @@ func (p *Endpoint) Disconnect(ctx context.Context) error {
 	runtime.EventsEmit(ctx, string(hardware.EndpointStatusUpdated), p.GetInfo(), hardware.EndpointStatusDisconnected)
 
 	log.Info().Str("file", "OS2LEndpoint").Msg("OS2L endpoint disconnected")
+	// TODO: To remove : simulate a device arrival/removal
+	p.removeDeviceCallback(ctx, "0DE3FF")
 	return nil
 }
 

hardware/os2l/OS2LProvider.go

@@ -50,6 +50,7 @@ func (f *Provider) OnRemoval(cb func(context.Context, hardware.Endpoint)) {
 // Create creates a new endpoint, based on the endpoint information (manually created)
 func (f *Provider) Create(ctx context.Context, endpointInfo hardware.EndpointInfo) (hardware.EndpointInfo, error) {
 	// If the SerialNumber is empty, generate another one
+	// TODO: Move the serialnumber generator to the endpoint itself
 	if endpointInfo.SerialNumber == "" {
 		endpointInfo.SerialNumber = strings.ToUpper(fmt.Sprintf("%08x", rand.Intn(1<<32)))
 	}