/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.net;
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import android.annotation.NonNull;
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import android.annotation.TestApi;
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import android.os.IBinder;
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import android.os.RemoteException;
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import com.android.internal.util.Preconditions;
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/**
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* Class that allows creation and management of per-app, test-only networks
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*
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* @hide
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*/
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@TestApi
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public class TestNetworkManager {
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@NonNull private static final String TAG = TestNetworkManager.class.getSimpleName();
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@NonNull private final ITestNetworkManager mService;
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/** @hide */
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public TestNetworkManager(@NonNull ITestNetworkManager service) {
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mService = Preconditions.checkNotNull(service, "missing ITestNetworkManager");
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}
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/**
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* Teardown the capability-limited, testing-only network for a given interface
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*
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* @param network The test network that should be torn down
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* @hide
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*/
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@TestApi
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public void teardownTestNetwork(@NonNull Network network) {
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try {
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mService.teardownTestNetwork(network.netId);
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} catch (RemoteException e) {
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throw e.rethrowFromSystemServer();
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}
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}
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/**
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* Sets up a capability-limited, testing-only network for a given interface
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*
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* @param iface the name of the interface to be used for the Network LinkProperties.
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* @param binder A binder object guarding the lifecycle of this test network.
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* @hide
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*/
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@TestApi
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public void setupTestNetwork(@NonNull String iface, @NonNull IBinder binder) {
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try {
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mService.setupTestNetwork(iface, binder);
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} catch (RemoteException e) {
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throw e.rethrowFromSystemServer();
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}
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}
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/**
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* Create a tun interface for testing purposes
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*
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* @param linkAddrs an array of LinkAddresses to assign to the TUN interface
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* @return A ParcelFileDescriptor of the underlying TUN interface. Close this to tear down the
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* TUN interface.
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* @hide
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*/
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@TestApi
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public TestNetworkInterface createTunInterface(@NonNull LinkAddress[] linkAddrs) {
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try {
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return mService.createTunInterface(linkAddrs);
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} catch (RemoteException e) {
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throw e.rethrowFromSystemServer();
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}
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}
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/**
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* Create a tap interface for testing purposes
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*
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* @return A ParcelFileDescriptor of the underlying TAP interface. Close this to tear down the
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* TAP interface.
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* @hide
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*/
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@TestApi
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public TestNetworkInterface createTapInterface() {
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try {
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return mService.createTapInterface();
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} catch (RemoteException e) {
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throw e.rethrowFromSystemServer();
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}
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}
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}
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