рабочий вариант, но скороть 10 МБит

agents/rap-node-agent/internal/vpnruntime/service_stream_registry_test.go

@@ -0,0 +1,44 @@
+package vpnruntime
+
+import "testing"
+
+func TestFabricServiceStreamRegistryTracksTunnelScopedStreams(t *testing.T) {
+	registry := NewFabricServiceStreamRegistry()
+	stream := registry.Register(FabricServiceStream{
+		TunnelID:     "tunnel-1",
+		ServiceID:    "svc-1",
+		StreamID:     42,
+		TrafficClass: FabricServiceTrafficInteractive,
+		Direction:    FabricDirectionClientToGateway,
+		ServiceTunnel: FabricServiceTunnel{
+			TunnelID:    "tunnel-1",
+			PoolID:      "pool-vpn",
+			ServiceID:   "svc-1",
+			ServiceKind: "ipv4-tunnel",
+		},
+		Metadata: map[string]string{"adapter": "vpn"},
+	})
+	if stream.State != FabricServiceStreamStateOpen {
+		t.Fatalf("stream state = %q, want open", stream.State)
+	}
+	if stream.ServiceTunnel.TransportOwner != DefaultFabricTransportOwner {
+		t.Fatalf("service tunnel should remain fabric-owned: %+v", stream.ServiceTunnel)
+	}
+
+	streams := registry.StreamsForTunnel("tunnel-1")
+	if len(streams) != 1 || streams[0].StreamID != 42 || streams[0].ServiceID != "svc-1" {
+		t.Fatalf("streams for tunnel = %+v", streams)
+	}
+	registry.MarkClosed("tunnel-1", 42)
+	streams = registry.StreamsForTunnel("tunnel-1")
+	if len(streams) != 1 || streams[0].State != FabricServiceStreamStateClosed {
+		t.Fatalf("closed stream not tracked: %+v", streams)
+	}
+
+	snapshot := registry.Snapshot()
+	if snapshot["schema_version"] != FabricServiceStreamRegistrySchemaVersion ||
+		snapshot["stream_count"] != 1 ||
+		snapshot["open_count"] != 0 {
+		t.Fatalf("unexpected registry snapshot: %+v", snapshot)
+	}
+}