content: /*
   * Copyright (C) 2017 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 com.android.server.backup.restore;
  
  import android.app.IBackupAgent;
  import android.os.ParcelFileDescriptor;
  import android.os.RemoteException;
  
  import com.android.server.backup.FileMetadata;
  import com.android.server.backup.UserBackupManagerService;
  
  import java.io.IOException;
  
  /**
   * Runner that can be placed in a separate thread to do in-process invocations of the full restore
   * API asynchronously. Used by adb restore.
   */
  class RestoreFileRunnable implements Runnable {
  
      private final IBackupAgent mAgent;
      private final FileMetadata mInfo;
      private final ParcelFileDescriptor mSocket;
      private final int mToken;
      private final UserBackupManagerService mBackupManagerService;
  
      RestoreFileRunnable(UserBackupManagerService backupManagerService, IBackupAgent agent,
              FileMetadata info, ParcelFileDescriptor socket, int token) throws IOException {
          mAgent = agent;
          mInfo = info;
          mToken = token;
  
          // This class is used strictly for process-local binder invocations.  The
          // semantics of ParcelFileDescriptor differ in this case; in particular, we
          // do not automatically get a 'dup'ed descriptor that we can can continue
          // to use asynchronously from the caller.  So, we make sure to dup it ourselves
          // before proceeding to do the restore.
          mSocket = ParcelFileDescriptor.dup(socket.getFileDescriptor());
          this.mBackupManagerService = backupManagerService;
      }
  
      @Override
      public void run() {
          try {
              mAgent.doRestoreFile(mSocket, mInfo.size, mInfo.type,
                      mInfo.domain, mInfo.path, mInfo.mode, mInfo.mtime,
                      mToken, mBackupManagerService.getBackupManagerBinder());
          } catch (RemoteException e) {
              // never happens; this is used strictly for local binder calls
          }
      }
  }
  