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authorThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:28:45 -0800
committerThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:28:45 -0800
commitd83a98f4ce9cfa908f5c54bbd70f03eec07e7553 (patch)
tree4b825dc642cb6eb9a060e54bf8d69288fbee4904 /core/java/android/ddm/DdmHandleHeap.java
parent076357b8567458d4b6dfdcf839ef751634cd2bfb (diff)
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auto import from //depot/cupcake/@135843
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-rw-r--r--core/java/android/ddm/DdmHandleHeap.java194
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diff --git a/core/java/android/ddm/DdmHandleHeap.java b/core/java/android/ddm/DdmHandleHeap.java
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--- a/core/java/android/ddm/DdmHandleHeap.java
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@@ -1,194 +0,0 @@
-/*
- * 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 org.apache.harmony.dalvik.ddmc.Chunk;
-import org.apache.harmony.dalvik.ddmc.ChunkHandler;
-import org.apache.harmony.dalvik.ddmc.DdmServer;
-import org.apache.harmony.dalvik.ddmc.DdmVmInternal;
-import android.util.Config;
-import android.util.Log;
-import java.nio.ByteBuffer;
-
-/**
- * Handle thread-related traffic.
- */
-public class DdmHandleHeap extends ChunkHandler {
-
- public static final int CHUNK_HPIF = type("HPIF");
- public static final int CHUNK_HPSG = type("HPSG");
- public static final int CHUNK_NHSG = type("NHSG");
- public static final int CHUNK_HPGC = type("HPGC");
- public static final int CHUNK_REAE = type("REAE");
- public static final int CHUNK_REAQ = type("REAQ");
- public static final int CHUNK_REAL = type("REAL");
-
- 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_HPIF, mInstance);
- DdmServer.registerHandler(CHUNK_HPSG, mInstance);
- DdmServer.registerHandler(CHUNK_NHSG, mInstance);
- DdmServer.registerHandler(CHUNK_HPGC, mInstance);
- DdmServer.registerHandler(CHUNK_REAE, mInstance);
- DdmServer.registerHandler(CHUNK_REAQ, mInstance);
- DdmServer.registerHandler(CHUNK_REAL, mInstance);
- }
-
- /**
- * Called when the DDM server connects. The handler is allowed to
- * send messages to the server.
- */
- public void connected() {}
-
- /**
- * Called when the DDM server disconnects. Can be used to disable
- * periodic transmissions or clean up saved state.
- */
- public void disconnected() {}
-
- /**
- * Handle a chunk of data.
- */
- public Chunk handleChunk(Chunk request) {
- if (Config.LOGV)
- Log.v("ddm-heap", "Handling " + name(request.type) + " chunk");
- int type = request.type;
-
- if (type == CHUNK_HPIF) {
- return handleHPIF(request);
- } else if (type == CHUNK_HPSG) {
- return handleHPSGNHSG(request, false);
- } else if (type == CHUNK_NHSG) {
- return handleHPSGNHSG(request, true);
- } else if (type == CHUNK_HPGC) {
- return handleHPGC(request);
- } else if (type == CHUNK_REAE) {
- return handleREAE(request);
- } else if (type == CHUNK_REAQ) {
- return handleREAQ(request);
- } else if (type == CHUNK_REAL) {
- return handleREAL(request);
- } else {
- throw new RuntimeException("Unknown packet "
- + ChunkHandler.name(type));
- }
- }
-
- /*
- * Handle a "HeaP InFo request".
- */
- private Chunk handleHPIF(Chunk request) {
- ByteBuffer in = wrapChunk(request);
-
- int when = in.get();
- if (Config.LOGV)
- Log.v("ddm-heap", "Heap segment enable: when=" + when);
-
- boolean ok = DdmVmInternal.heapInfoNotify(when);
- if (!ok) {
- return createFailChunk(1, "Unsupported HPIF what");
- } else {
- return null; // empty response
- }
- }
-
- /*
- * Handle a "HeaP SeGment" or "Native Heap SeGment" request.
- */
- private Chunk handleHPSGNHSG(Chunk request, boolean isNative) {
- ByteBuffer in = wrapChunk(request);
-
- int when = in.get();
- int what = in.get();
- if (Config.LOGV)
- Log.v("ddm-heap", "Heap segment enable: when=" + when
- + ", what=" + what + ", isNative=" + isNative);
-
- boolean ok = DdmVmInternal.heapSegmentNotify(when, what, isNative);
- if (!ok) {
- return createFailChunk(1, "Unsupported HPSG what/when");
- } else {
- // TODO: if "when" is non-zero and we want to see a dump
- // right away, initiate a GC.
- return null; // empty response
- }
- }
-
- /*
- * Handle a "HeaP Garbage Collection" request.
- */
- private Chunk handleHPGC(Chunk request) {
- //ByteBuffer in = wrapChunk(request);
-
- if (Config.LOGD)
- Log.d("ddm-heap", "Heap GC request");
- System.gc();
-
- return null; // empty response
- }
-
- /*
- * Handle a "REcent Allocation Enable" request.
- */
- private Chunk handleREAE(Chunk request) {
- ByteBuffer in = wrapChunk(request);
- boolean enable;
-
- enable = (in.get() != 0);
-
- if (Config.LOGD)
- Log.d("ddm-heap", "Recent allocation enable request: " + enable);
-
- DdmVmInternal.enableRecentAllocations(enable);
-
- return null; // empty response
- }
-
- /*
- * Handle a "REcent Allocation Query" request.
- */
- private Chunk handleREAQ(Chunk request) {
- //ByteBuffer in = wrapChunk(request);
-
- byte[] reply = new byte[1];
- reply[0] = DdmVmInternal.getRecentAllocationStatus() ? (byte)1 :(byte)0;
- return new Chunk(CHUNK_REAQ, reply, 0, reply.length);
- }
-
- /*
- * Handle a "REcent ALlocations" request.
- */
- private Chunk handleREAL(Chunk request) {
- //ByteBuffer in = wrapChunk(request);
-
- if (Config.LOGD)
- Log.d("ddm-heap", "Recent allocations request");
-
- /* generate the reply in a ready-to-go format */
- byte[] reply = DdmVmInternal.getRecentAllocations();
- return new Chunk(CHUNK_REAL, reply, 0, reply.length);
- }
-}
-