Add SDK 29 sources.
Test: N/A
Change-Id: Iedb7a31029e003928eb16f7e69ed147e72bb6235
diff --git a/android/ddm/DdmHandleHeap.java b/android/ddm/DdmHandleHeap.java
new file mode 100644
index 0000000..e24aeb2
--- /dev/null
+++ b/android/ddm/DdmHandleHeap.java
@@ -0,0 +1,269 @@
+/*
+ * 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.os.Debug;
+import android.util.Log;
+import java.io.IOException;
+import java.nio.ByteBuffer;
+
+/**
+ * Handle native and virtual heap requests.
+ */
+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_HPDU = type("HPDU");
+ public static final int CHUNK_HPDS = type("HPDS");
+ 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_HPDU, mInstance);
+ DdmServer.registerHandler(CHUNK_HPDS, 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 (false)
+ 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_HPDU) {
+ return handleHPDU(request);
+ } else if (type == CHUNK_HPDS) {
+ return handleHPDS(request);
+ } 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 (false)
+ 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 (false)
+ 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 DUmp" request.
+ *
+ * This currently just returns a result code. We could pull up
+ * the entire contents of the file and return them, but hprof dump
+ * files can be a few megabytes.
+ */
+ private Chunk handleHPDU(Chunk request) {
+ ByteBuffer in = wrapChunk(request);
+ byte result;
+
+ /* get the filename for the output file */
+ int len = in.getInt();
+ String fileName = getString(in, len);
+ if (false)
+ Log.d("ddm-heap", "Heap dump: file='" + fileName + "'");
+
+ try {
+ Debug.dumpHprofData(fileName);
+ result = 0;
+ } catch (UnsupportedOperationException uoe) {
+ Log.w("ddm-heap", "hprof dumps not supported in this VM");
+ result = -1;
+ } catch (IOException ioe) {
+ result = -1;
+ } catch (RuntimeException re) {
+ result = -1;
+ }
+
+ /* create a non-empty reply so the handler fires on completion */
+ byte[] reply = { result };
+ return new Chunk(CHUNK_HPDU, reply, 0, reply.length);
+ }
+
+ /*
+ * Handle a "HeaP Dump Streaming" request.
+ *
+ * This tells the VM to create a heap dump and send it directly to
+ * DDMS. The dumps are large enough that we don't want to copy the
+ * data into a byte[] and send it from here.
+ */
+ private Chunk handleHPDS(Chunk request) {
+ ByteBuffer in = wrapChunk(request);
+ byte result;
+
+ /* get the filename for the output file */
+ if (false)
+ Log.d("ddm-heap", "Heap dump: [DDMS]");
+
+ String failMsg = null;
+ try {
+ Debug.dumpHprofDataDdms();
+ } catch (UnsupportedOperationException uoe) {
+ failMsg = "hprof dumps not supported in this VM";
+ } catch (RuntimeException re) {
+ failMsg = "Exception: " + re.getMessage();
+ }
+
+ if (failMsg != null) {
+ Log.w("ddm-heap", failMsg);
+ return createFailChunk(1, failMsg);
+ } else {
+ return null;
+ }
+ }
+
+ /*
+ * 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
+ }
+
+ /*
+ * Handle a "REcent Allocation Enable" request.
+ */
+ private Chunk handleREAE(Chunk request) {
+ ByteBuffer in = wrapChunk(request);
+ boolean enable;
+
+ enable = (in.get() != 0);
+
+ if (false)
+ 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 (false)
+ 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);
+ }
+}
+
