| /* |
| * Copyright (C) 2007 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.ddm; |
| |
| import android.util.Log; |
| |
| import org.apache.harmony.dalvik.ddmc.Chunk; |
| import org.apache.harmony.dalvik.ddmc.ChunkHandler; |
| import org.apache.harmony.dalvik.ddmc.DdmServer; |
| |
| /** |
| * Handle native and virtual heap requests. |
| */ |
| public class DdmHandleHeap extends DdmHandle { |
| |
| public static final int CHUNK_HPGC = ChunkHandler.type("HPGC"); |
| |
| private static DdmHandleHeap mInstance = new DdmHandleHeap(); |
| |
| |
| /* singleton, do not instantiate */ |
| private DdmHandleHeap() {} |
| |
| /** |
| * Register for the messages we're interested in. |
| */ |
| public static void register() { |
| DdmServer.registerHandler(CHUNK_HPGC, mInstance); |
| } |
| |
| /** |
| * Called when the DDM server connects. The handler is allowed to |
| * send messages to the server. |
| */ |
| public void onConnected() {} |
| |
| /** |
| * Called when the DDM server disconnects. Can be used to disable |
| * periodic transmissions or clean up saved state. |
| */ |
| public void onDisconnected() {} |
| |
| /** |
| * Handle a chunk of data. |
| */ |
| public Chunk handleChunk(Chunk request) { |
| if (false) |
| Log.v("ddm-heap", "Handling " + name(request.type) + " chunk"); |
| int type = request.type; |
| |
| if (type == CHUNK_HPGC) { |
| return handleHPGC(request); |
| } else { |
| throw new RuntimeException("Unknown packet " + name(type)); |
| } |
| } |
| |
| /* |
| * Handle a "HeaP Garbage Collection" request. |
| */ |
| private Chunk handleHPGC(Chunk request) { |
| //ByteBuffer in = wrapChunk(request); |
| |
| if (false) |
| Log.d("ddm-heap", "Heap GC request"); |
| Runtime.getRuntime().gc(); |
| |
| return null; // empty response |
| } |
| } |