1 /* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.ddm; 18 19 import org.apache.harmony.dalvik.ddmc.Chunk; 20 import org.apache.harmony.dalvik.ddmc.ChunkHandler; 21 import org.apache.harmony.dalvik.ddmc.DdmServer; 22 import android.util.Log; 23 import java.nio.ByteBuffer; 24 25 /** 26 * Handle an EXIT chunk. 27 */ 28 public class DdmHandleExit extends ChunkHandler { 29 30 public static final int CHUNK_EXIT = type("EXIT"); 31 32 private static DdmHandleExit mInstance = new DdmHandleExit(); 33 34 35 /* singleton, do not instantiate */ DdmHandleExit()36 private DdmHandleExit() {} 37 38 /** 39 * Register for the messages we're interested in. 40 */ register()41 public static void register() { 42 DdmServer.registerHandler(CHUNK_EXIT, mInstance); 43 } 44 45 /** 46 * Called when the DDM server connects. The handler is allowed to 47 * send messages to the server. 48 */ connected()49 public void connected() {} 50 51 /** 52 * Called when the DDM server disconnects. Can be used to disable 53 * periodic transmissions or clean up saved state. 54 */ disconnected()55 public void disconnected() {} 56 57 /** 58 * Handle a chunk of data. We're only registered for "EXIT". 59 */ handleChunk(Chunk request)60 public Chunk handleChunk(Chunk request) { 61 if (false) 62 Log.v("ddm-exit", "Handling " + name(request.type) + " chunk"); 63 64 /* 65 * Process the request. 66 */ 67 ByteBuffer in = wrapChunk(request); 68 69 int statusCode = in.getInt(); 70 71 Runtime.getRuntime().halt(statusCode); 72 73 // if that doesn't work, return an empty message 74 return null; 75 } 76 } 77 78