93 lines
2.6 KiB
Java
93 lines
2.6 KiB
Java
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/*
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* Copyright (C) 2007 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.ddm;
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import org.apache.harmony.dalvik.ddmc.Chunk;
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import org.apache.harmony.dalvik.ddmc.ChunkHandler;
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import org.apache.harmony.dalvik.ddmc.DdmServer;
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import android.util.Log;
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import java.nio.ByteBuffer;
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/**
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* Handle thread-related traffic.
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*/
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public class DdmHandleNativeHeap extends ChunkHandler {
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public static final int CHUNK_NHGT = type("NHGT");
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private static DdmHandleNativeHeap mInstance = new DdmHandleNativeHeap();
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/* singleton, do not instantiate */
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private DdmHandleNativeHeap() {}
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/**
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* Register for the messages we're interested in.
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*/
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public static void register() {
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DdmServer.registerHandler(CHUNK_NHGT, mInstance);
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}
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/**
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* Called when the DDM server connects. The handler is allowed to
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* send messages to the server.
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*/
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public void connected() {}
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/**
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* Called when the DDM server disconnects. Can be used to disable
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* periodic transmissions or clean up saved state.
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*/
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public void disconnected() {}
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/**
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* Handle a chunk of data.
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*/
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public Chunk handleChunk(Chunk request) {
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Log.i("ddm-nativeheap", "Handling " + name(request.type) + " chunk");
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int type = request.type;
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if (type == CHUNK_NHGT) {
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return handleNHGT(request);
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} else {
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throw new RuntimeException("Unknown packet "
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+ ChunkHandler.name(type));
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}
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}
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/*
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* Handle a "Native Heap GeT" request.
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*/
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private Chunk handleNHGT(Chunk request) {
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//ByteBuffer in = wrapChunk(request);
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byte[] data = getLeakInfo();
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if (data != null) {
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// wrap & return
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Log.i("ddm-nativeheap", "Sending " + data.length + " bytes");
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return new Chunk(ChunkHandler.type("NHGT"), data, 0, data.length);
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} else {
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// failed, return a failure error code and message
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return createFailChunk(1, "Something went wrong");
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}
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}
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private native byte[] getLeakInfo();
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}
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