[client,management] add netflow support to client and update management (#3414)

adds NetFlow functionality to track and log network traffic information between peers, with features including:

- Flow logging for TCP, UDP, and ICMP traffic
- Integration with connection tracking system
- Resource ID tracking in NetFlow events
- DNS and exit node collection configuration
- Flow API and Redis cache in management
- Memory-based flow storage implementation
- Kernel conntrack counters and userspace counters
- TCP state machine improvements for more accurate tracking
- Migration from net.IP to netip.Addr in the userspace firewall

management/server/cache/marshaler.go

@@ -0,0 +1,35 @@
+package cache
+
+import (
+	"context"
+
+	"github.com/eko/gocache/lib/v4/store"
+)
+
+type Marshaler interface {
+	Get(ctx context.Context, key any, returnObj any) (any, error)
+	Set(ctx context.Context, key, object any, options ...store.Option) error
+	Delete(ctx context.Context, key any) error
+}
+
+type cacher[T any] interface {
+	Get(ctx context.Context, key any) (T, error)
+	Set(ctx context.Context, key any, object T, options ...store.Option) error
+	Delete(ctx context.Context, key any) error
+}
+
+type marshalerWraper struct {
+	cache cacher[any]
+}
+
+func (m marshalerWraper) Get(ctx context.Context, key any, _ any) (any, error) {
+	return m.cache.Get(ctx, key)
+}
+
+func (m marshalerWraper) Set(ctx context.Context, key, object any, options ...store.Option) error {
+	return m.cache.Set(ctx, key, object, options...)
+}
+
+func (m marshalerWraper) Delete(ctx context.Context, key any) error {
+	return m.cache.Delete(ctx, key)
+}