Resolve "Add an option to send gNMI Subscribe requests via SBI"

Description

#227 (closed)

controller/interfaces/transport/transport.go

@@ -5,6 +5,7 @@ import (
 
 	"code.fbi.h-da.de/danet/gosdn/controller/interfaces/change"
 
+	gpb "github.com/openconfig/gnmi/proto/gnmi"
 	"github.com/openconfig/ygot/ytypes"
 )
 
@@ -14,7 +15,11 @@ type Transport interface {
 	Get(ctx context.Context, params ...string) (interface{}, error)
 	Set(ctx context.Context, payload change.Payload, path string, schema *ytypes.Schema) error
 	Subscribe(ctx context.Context, params ...string) error
-	SubscribeInternal(ctx context.Context, handleSubscribeRepsonse any) error
+	SubscribeInternal(ctx context.Context, subscribeCallbackFunc HandleSubscribeResponse) error
 	Type() string
 	ProcessResponse(resp interface{}, root interface{}, models *ytypes.Schema) error
 }
+
+type (
+	HandleSubscribeResponse func(*gpb.SubscribeResponse)
+)