// doesn't support creating `list:set` types yet (is in main branch tho).
// So this will actually create 2 underlying ipsets, one for v4 and one for v6
func NewIPSet(name string, v6 bool, deps NetlinkIpsetDeps) (IPSet, error) {
	var err error
	set := IPSet{
		V4Name: fmt.Sprintf(V4Name, name),
		Deps:   deps,
		Prefix: name,
	}
	err = deps.ipsetIPHashCreate(set.V4Name, false)
	if v6 {

	// allow overriding for tests
	netnsRunner        func(fdable NetnsFd, toRun func() error) error
	hostsideProbeIPSet ipset.IPSet
}

var _ MeshDataplane = &NetServer{}

func newNetServer(ztunnelServer ZtunnelServer, podNsMap *podNetnsCache,
	iptablesConfigurator *iptables.IptablesConfigurator, podNs PodNetnsFinder,
	probeSet ipset.IPSet,
) *NetServer {
	return &NetServer{
		ztunnelServer:        ztunnelServer,
		currentPodSnapshot:   podNsMap,

}

// createHostsideProbeIpset creates an ipset. This is designed to be called from the host netns.
// Note that if the ipset already exist by name, Create will not return an error.
//
// We will unconditionally flush our set before use here, so it shouldn't matter.
func createHostsideProbeIpset(isV6 bool) (ipset.IPSet, error) {
	linDeps := ipset.RealNlDeps()
	probeSet, err := ipset.NewIPSet(iptables.ProbeIPSet, isV6, linDeps)

	ipsetDeps            *ipset.MockedIpsetDeps
}

func getTestFixure(ctx context.Context) netTestFixture {
	podNsMap := newPodNetnsCache(openNsTestOverride)
	nlDeps := &fakeIptablesDeps{}
	iptablesConfigurator, _ := iptables.NewIptablesConfigurator(nil, &dependencies.DependenciesStub{}, nlDeps)

	ztunnelServer := &fakeZtunnel{}

	fakeIPSetDeps := ipset.FakeNLDeps()

	err := netlink.IpsetFlush(name)
	if err != nil {
		return fmt.Errorf("failed to flush ipset %s: %w", name, err)
	}
	return nil
}

// Alpine and some distros struggles with this - ipset CLI utilities support this, but
// the kernel can be out of sync with the CLI utility, leading to errors like:
//
// ipset v7.10: Argument `comment' is supported in the kernel module of the set type hash:ip

// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package ipset

import (
	"net/netip"

	"github.com/stretchr/testify/mock"
)

type MockedIpsetDeps struct {
	mock.Mock
}

func FakeNLDeps() *MockedIpsetDeps {
	return &MockedIpsetDeps{}
}

// See the License for the specific language governing permissions and
// limitations under the License.

package iptables

import (
	"errors"
	"fmt"
	"net/netip"
	"strings"

	"istio.io/istio/cni/pkg/ipset"
	istiolog "istio.io/istio/pkg/log"
	"istio.io/istio/tools/istio-iptables/pkg/builder"
	iptablesconfig "istio.io/istio/tools/istio-iptables/pkg/config"
	iptablesconstants "istio.io/istio/tools/istio-iptables/pkg/constants"

// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package ipset

import (
	"errors"
	"net/netip"
)

func RealNlDeps() NetlinkIpsetDeps {
	return &realDeps{}
}

type realDeps struct{}

func (m *realDeps) ipsetIPHashCreate(name string, v6 bool) error {

						hostIPCache[host] = hostIPSet
					}
				}
				if IPSet, ok := pathIPMap[endpoint.Path]; ok {
					if !IPSet.Intersection(hostIPSet).IsEmpty() {
						return nil, setupType,
							config.ErrInvalidErasureEndpoints(nil).Msg(fmt.Sprintf("same path '%s' can not be served by different port on same address", endpoint.Path))
					}
					pathIPMap[endpoint.Path] = IPSet.Union(hostIPSet)
				} else {

	IfRange           string     `json:"ifRange,omitempty" msg:",omitempty"`
	IfPartNumber      int        `json:"ifPartNumber,omitempty" msg:",omitempty"`
}

// IsSet tells the cache lookup to avoid sending a request
func (r *CondCheck) IsSet() bool {
	if r == nil {
		return false
	}
	return r.IfMatch != "" || r.IfNoneMatch != "" || r.IfModifiedSince != nil || r.IfUnModifiedSince != nil || r.IfRange != ""
}