/*
|
* 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.os.ParcelFileDescriptor;
|
import android.os.RemoteException;
|
import android.util.Log;
|
|
import java.net.InetAddress;
|
import java.util.concurrent.Executor;
|
|
/** @hide */
|
public final class NattSocketKeepalive extends SocketKeepalive {
|
/** The NAT-T destination port for IPsec */
|
public static final int NATT_PORT = 4500;
|
|
@NonNull private final InetAddress mSource;
|
@NonNull private final InetAddress mDestination;
|
private final int mResourceId;
|
|
NattSocketKeepalive(@NonNull IConnectivityManager service,
|
@NonNull Network network,
|
@NonNull ParcelFileDescriptor pfd,
|
int resourceId,
|
@NonNull InetAddress source,
|
@NonNull InetAddress destination,
|
@NonNull Executor executor,
|
@NonNull Callback callback) {
|
super(service, network, pfd, executor, callback);
|
mSource = source;
|
mDestination = destination;
|
mResourceId = resourceId;
|
}
|
|
@Override
|
void startImpl(int intervalSec) {
|
mExecutor.execute(() -> {
|
try {
|
mService.startNattKeepaliveWithFd(mNetwork, mPfd.getFileDescriptor(), mResourceId,
|
intervalSec, mCallback,
|
mSource.getHostAddress(), mDestination.getHostAddress());
|
} catch (RemoteException e) {
|
Log.e(TAG, "Error starting socket keepalive: ", e);
|
throw e.rethrowFromSystemServer();
|
}
|
});
|
}
|
|
@Override
|
void stopImpl() {
|
mExecutor.execute(() -> {
|
try {
|
if (mSlot != null) {
|
mService.stopKeepalive(mNetwork, mSlot);
|
}
|
} catch (RemoteException e) {
|
Log.e(TAG, "Error stopping socket keepalive: ", e);
|
throw e.rethrowFromSystemServer();
|
}
|
});
|
}
|
}
|
