34-midi (#35)

Closes #34 Implement MIDI peripherals
Implement device concept
Cleaning project

Reviewed-on: #35

hardware/providersHandler.go

@@ -0,0 +1,37 @@
+package hardware
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/rs/zerolog/log"
+)
+
+// Provider represents how compatible endpoint drivers are implemented
+type Provider interface {
+	Initialize() error                                                           // Initializes the protocol
+	Create(ctx context.Context, endpointInfo EndpointInfo) (EndpointInfo, error) // Manually create a endpoint
+	Remove(ctx context.Context, endpoint Endpoint) error                         // Manually remove a endpoint
+	OnArrival(cb func(context.Context, Endpoint))                                // Callback function when a endpoint arrives
+	OnRemoval(cb func(context.Context, Endpoint))                                // Callback function when a endpoint goes away
+	Start(context.Context) error                                                 // Start the detection
+	WaitStop() error                                                             // Waiting for provider to close
+	GetName() string                                                             // Get the name of the provider
+}
+
+// GetProvider returns a register provider
+func (h *Manager) GetProvider(providerName string) (Provider, error) {
+	provider, exists := h.providers[providerName]
+	if !exists {
+		log.Error().Str("file", "hardware").Str("providerName", providerName).Msg("unable to get the provider")
+		return nil, fmt.Errorf("unable to locate the '%s' provider", providerName)
+	}
+	log.Debug().Str("file", "hardware").Str("providerName", providerName).Msg("got provider")
+	return provider, nil
+}
+
+// RegisterProvider registers a new endpoints provider
+func (h *Manager) RegisterProvider(provider Provider) {
+	h.providers[provider.GetName()] = provider
+	log.Info().Str("file", "hardware").Str("providerName", provider.GetName()).Msg("provider registered")
+}