| /* |
| * Copyright (C) 2016 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.util; |
| |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.ServiceConnection; |
| import android.os.Build; |
| import android.os.IBinder; |
| import android.os.RemoteException; |
| import android.os.SystemClock; |
| import android.support.test.InstrumentationRegistry; |
| |
| import java.io.Closeable; |
| import java.io.IOException; |
| import java.util.concurrent.TimeoutException; |
| |
| final class RemoteIntArray implements ServiceConnection, Closeable { |
| private static final long BIND_REMOTE_SERVICE_TIMEOUT = |
| Build.IS_ENG ? 120000 : 10000; |
| |
| private final Object mLock = new Object(); |
| |
| private final Intent mIntent = new Intent(); |
| |
| private android.util.IRemoteMemoryIntArray mRemoteInstance; |
| |
| public RemoteIntArray(int size) throws IOException, TimeoutException { |
| mIntent.setComponent(new ComponentName(InstrumentationRegistry.getContext(), |
| RemoteMemoryIntArrayService.class)); |
| synchronized (mLock) { |
| if (mRemoteInstance == null) { |
| bindLocked(); |
| } |
| try { |
| mRemoteInstance.create(size); |
| } catch (RemoteException e) { |
| throw new IOException(e); |
| } |
| } |
| } |
| |
| public MemoryIntArray peekInstance() { |
| try { |
| return mRemoteInstance.peekInstance(); |
| } catch (RemoteException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| public boolean isWritable() { |
| try { |
| return mRemoteInstance.isWritable(); |
| } catch (RemoteException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| public int get(int index) throws IOException { |
| try { |
| return mRemoteInstance.get(index); |
| } catch (RemoteException e) { |
| throw new IOException(e); |
| } |
| } |
| |
| public void set(int index, int value) throws IOException { |
| try { |
| mRemoteInstance.set(index, value); |
| } catch (RemoteException e) { |
| throw new IOException(e); |
| } |
| } |
| |
| public int size() throws IOException { |
| try { |
| return mRemoteInstance.size(); |
| } catch (RemoteException e) { |
| throw new IOException(e); |
| } |
| } |
| |
| public void close() { |
| try { |
| mRemoteInstance.close(); |
| } catch (RemoteException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| public boolean isClosed() { |
| try { |
| return mRemoteInstance.isClosed(); |
| } catch (RemoteException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| private void bindLocked() throws TimeoutException { |
| if (mRemoteInstance != null) { |
| return; |
| } |
| |
| InstrumentationRegistry.getContext().bindService(mIntent, this, Context.BIND_AUTO_CREATE); |
| |
| final long startMillis = SystemClock.uptimeMillis(); |
| while (true) { |
| if (mRemoteInstance != null) { |
| break; |
| } |
| final long elapsedMillis = SystemClock.uptimeMillis() - startMillis; |
| final long remainingMillis = BIND_REMOTE_SERVICE_TIMEOUT - elapsedMillis; |
| if (remainingMillis <= 0) { |
| throw new TimeoutException("Cannot get spooler!"); |
| } |
| try { |
| mLock.wait(remainingMillis); |
| } catch (InterruptedException ie) { |
| /* ignore */ |
| } |
| } |
| |
| mLock.notifyAll(); |
| } |
| |
| public void destroy() { |
| synchronized (mLock) { |
| if (mRemoteInstance == null) { |
| return; |
| } |
| mRemoteInstance = null; |
| InstrumentationRegistry.getContext().unbindService(this); |
| } |
| } |
| |
| public void accessLastElementInRemoteProcess(MemoryIntArray array) { |
| try { |
| mRemoteInstance.accessLastElementInRemoteProcess(array); |
| } catch (RemoteException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| @Override |
| public void onServiceConnected(ComponentName name, IBinder service) { |
| synchronized (mLock) { |
| mRemoteInstance = android.util.IRemoteMemoryIntArray.Stub.asInterface(service); |
| mLock.notifyAll(); |
| } |
| } |
| |
| @Override |
| public void onServiceDisconnected(ComponentName name) { |
| synchronized (mLock) { |
| mRemoteInstance = null; |
| } |
| } |
| } |