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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.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();
}
});
}
}
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