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/*
* Copyright (C) 2018 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;
import android.annotation.NonNull;
import android.annotation.TestApi;
import android.os.IBinder;
import android.os.RemoteException;
import com.android.internal.util.Preconditions;
/**
* Class that allows creation and management of per-app, test-only networks
*
* @hide
*/
@TestApi
public class TestNetworkManager {
@NonNull private static final String TAG = TestNetworkManager.class.getSimpleName();
@NonNull private final ITestNetworkManager mService;
/** @hide */
public TestNetworkManager(@NonNull ITestNetworkManager service) {
mService = Preconditions.checkNotNull(service, "missing ITestNetworkManager");
}
/**
* Teardown the capability-limited, testing-only network for a given interface
*
* @param network The test network that should be torn down
* @hide
*/
@TestApi
public void teardownTestNetwork(@NonNull Network network) {
try {
mService.teardownTestNetwork(network.netId);
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
/**
* Sets up a capability-limited, testing-only network for a given interface
*
* @param iface the name of the interface to be used for the Network LinkProperties.
* @param binder A binder object guarding the lifecycle of this test network.
* @hide
*/
@TestApi
public void setupTestNetwork(@NonNull String iface, @NonNull IBinder binder) {
try {
mService.setupTestNetwork(iface, binder);
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
/**
* Create a tun interface for testing purposes
*
* @param linkAddrs an array of LinkAddresses to assign to the TUN interface
* @return A ParcelFileDescriptor of the underlying TUN interface. Close this to tear down the
* TUN interface.
* @hide
*/
@TestApi
public TestNetworkInterface createTunInterface(@NonNull LinkAddress[] linkAddrs) {
try {
return mService.createTunInterface(linkAddrs);
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
/**
* Create a tap interface for testing purposes
*
* @return A ParcelFileDescriptor of the underlying TAP interface. Close this to tear down the
* TAP interface.
* @hide
*/
@TestApi
public TestNetworkInterface createTapInterface() {
try {
return mService.createTapInterface();
} catch (RemoteException e) {
throw e.rethrowFromSystemServer();
}
}
}
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