| /* |
| * 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.Binder; |
| import android.os.RemoteException; |
| import android.util.Log; |
| |
| import java.io.FileDescriptor; |
| 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; |
| @NonNull private final FileDescriptor mFd; |
| private final int mResourceId; |
| |
| NattSocketKeepalive(@NonNull IConnectivityManager service, |
| @NonNull Network network, |
| @NonNull FileDescriptor fd, |
| int resourceId, |
| @NonNull InetAddress source, |
| @NonNull InetAddress destination, |
| @NonNull Executor executor, |
| @NonNull Callback callback) { |
| super(service, network, executor, callback); |
| mSource = source; |
| mDestination = destination; |
| mFd = fd; |
| mResourceId = resourceId; |
| } |
| |
| @Override |
| void startImpl(int intervalSec) { |
| try { |
| mService.startNattKeepaliveWithFd(mNetwork, mFd, mResourceId, intervalSec, mMessenger, |
| new Binder(), mSource.getHostAddress(), mDestination.getHostAddress()); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Error starting packet keepalive: ", e); |
| stopLooper(); |
| } |
| } |
| |
| @Override |
| void stopImpl() { |
| try { |
| if (mSlot != null) { |
| mService.stopKeepalive(mNetwork, mSlot); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "Error stopping packet keepalive: ", e); |
| stopLooper(); |
| } |
| } |
| } |