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/*
* 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
}
}
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