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/*
* Copyright (C) 2020 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* 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 android.net.ip;
import android.os.Handler;
import androidx.annotation.VisibleForTesting;
import com.android.net.module.util.InterfaceParams;
/**
* Basic Duplicate address detection proxy.
*
* @hide
*/
public class DadProxy {
private static final String TAG = DadProxy.class.getSimpleName();
@VisibleForTesting
public static NeighborPacketForwarder naForwarder;
public static NeighborPacketForwarder nsForwarder;
public DadProxy(Handler h, InterfaceParams tetheredIface) {
naForwarder = new NeighborPacketForwarder(h, tetheredIface,
NeighborPacketForwarder.ICMPV6_NEIGHBOR_ADVERTISEMENT);
nsForwarder = new NeighborPacketForwarder(h, tetheredIface,
NeighborPacketForwarder.ICMPV6_NEIGHBOR_SOLICITATION);
}
/** Stop NS/NA Forwarders. */
public void stop() {
naForwarder.stop();
nsForwarder.stop();
}
/** Set upstream iface on both forwarders. */
public void setUpstreamIface(InterfaceParams upstreamIface) {
naForwarder.setUpstreamIface(upstreamIface);
nsForwarder.setUpstreamIface(upstreamIface);
}
}
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