| /* |
| * 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 com.android.internal.net.ipsec.ike.net; |
| |
| import android.annotation.NonNull; |
| import android.net.LinkProperties; |
| import android.net.Network; |
| import android.net.NetworkCapabilities; |
| |
| import java.net.InetAddress; |
| |
| /** |
| * IkeSpecificNetworkCallback is a network callback used to track a caller-specified network. |
| * |
| * <p>This NetworkCallback will notify IkeSessionStateMachine if: |
| * |
| * <ul> |
| * <li>the local Address for the caller-specified Network is dropped, or |
| * <li>the caller-specified Network dies. |
| * </ul> |
| * |
| * <p>MUST be registered with {@link android.net.ConnectivityManager} and specify the |
| * IkeSessionStateMachine's Handler to prevent races. |
| */ |
| public class IkeSpecificNetworkCallback extends IkeNetworkCallbackBase { |
| public IkeSpecificNetworkCallback( |
| IkeNetworkUpdater ikeNetworkUpdater, |
| Network currNetwork, |
| InetAddress currAddress, |
| LinkProperties currLp, |
| NetworkCapabilities currNc) { |
| super(ikeNetworkUpdater, currNetwork, currAddress, currLp, currNc); |
| } |
| |
| @Override |
| public void onCapabilitiesChanged( |
| @NonNull Network network, @NonNull NetworkCapabilities networkCapabilities) { |
| // This LinkProperties update is only meaningful if it's for the current Network |
| if (!mCurrNetwork.equals(network)) { |
| return; |
| } |
| |
| logd("onCapabilitiesChanged: " + network + "networkCapabilities " + networkCapabilities); |
| mCurrNc = networkCapabilities; |
| mIkeNetworkUpdater.onCapabilitiesUpdated(mCurrNc); |
| } |
| |
| @Override |
| public void onLinkPropertiesChanged( |
| @NonNull Network network, @NonNull LinkProperties linkProperties) { |
| // This LinkProperties update is only meaningful if it's for the current Network |
| if (!mCurrNetwork.equals(network)) { |
| return; |
| } |
| |
| logd("onLinkPropertiesChanged: " + network); |
| mCurrLp = linkProperties; |
| if (isCurrentAddressLost(linkProperties)) { |
| mIkeNetworkUpdater.onUnderlyingNetworkUpdated(mCurrNetwork, mCurrLp, mCurrNc); |
| } |
| } |
| } |