"io/fs"
	"os"
	"syscall"
)

// probe probes IPv4, IPv6 and IPv4-mapped IPv6 communication
// capabilities.
//
// Plan 9 uses IPv6 natively, see ip(3).
func (p *ipStackCapabilities) probe() {
	p.ipv4Enabled = probe(netdir+"/iproute", "4i")
	p.ipv6Enabled = probe(netdir+"/iproute", "6i")
	if p.ipv4Enabled && p.ipv6Enabled {
		p.ipv4MappedIPv6Enabled = true
	}
}

func probe(filename, query string) bool {
	var file *file

 *     See {@link org.gradle.internal.watch.registry.impl.NonHierarchicalFileWatcherUpdater}.</dd>
 *
 *     <dt>probed hierarchies</dt>
 *     <dd>The list of file system hierarchies that we've activated a file system probe for.
 *     We list every hierarchy here, even if there are ones nested inside others.
 *     See {@link FileWatcherProbeRegistry}.</dd>
 * </dl>
 */

Nicole LiHui <******@****.***> 1717379705 +0800

John Howard <******@****.***> 1709052916 -0800

John Howard <******@****.***> 1709052916 -0800

Rama Chavali <******@****.***> 1714150277 +0530

	tmpDir, err := utiltesting.MkTmpdir("localVolumeTest")
	if err != nil {
		t.Fatalf("can't make a temp dir: %v", err)
	}

	plugMgr := volume.VolumePluginMgr{}
	plugMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, volumetest.NewFakeKubeletVolumeHost(t, tmpDir, nil, nil))

	plug, err := plugMgr.FindPluginByName(localVolumePluginName)
	if err != nil {
		os.RemoveAll(tmpDir)
		t.Fatalf("Can't find the plugin by name")
	}

	if err != nil {
		t.Fatalf("error creating temp dir: %v", err)
	}
	defer os.RemoveAll(tmpDir)

	plugMgr := volume.VolumePluginMgr{}
	plugMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, volumetest.NewFakeVolumeHost(t, tmpDir, nil, nil))

	plug, err := plugMgr.FindPluginByName("kubernetes.io/iscsi")
	if err != nil {
		t.Fatal("Can't find the plugin by name")
	}

Jonh Wendell <******@****.***> 1715709579 -0400

	allPlugins = append(allPlugins, iscsi.ProbeVolumePlugins()...)
	allPlugins = append(allPlugins, csi.ProbeVolumePlugins()...)
	return allPlugins, nil
}

// GetDynamicPluginProber gets the probers of dynamically discoverable plugins
// for the attach/detach controller.
// Currently only Flexvolume plugins are dynamically discoverable.