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.Config; 23 import android.util.Log; 24 import java.nio.ByteBuffer; 25 26 /** 27 * Handle an EXIT chunk. 28 */ 29 public class DdmHandleExit extends ChunkHandler { 30 31 public static final int CHUNK_EXIT = type("EXIT"); 32 33 private static DdmHandleExit mInstance = new DdmHandleExit(); 34 35 36 /* singleton, do not instantiate */ DdmHandleExit()37 private DdmHandleExit() {} 38 39 /** 40 * Register for the messages we're interested in. 41 */ register()42 public static void register() { 43 DdmServer.registerHandler(CHUNK_EXIT, mInstance); 44 } 45 46 /** 47 * Called when the DDM server connects. The handler is allowed to 48 * send messages to the server. 49 */ connected()50 public void connected() {} 51 52 /** 53 * Called when the DDM server disconnects. Can be used to disable 54 * periodic transmissions or clean up saved state. 55 */ disconnected()56 public void disconnected() {} 57 58 /** 59 * Handle a chunk of data. We're only registered for "EXIT". 60 */ handleChunk(Chunk request)61 public Chunk handleChunk(Chunk request) { 62 if (Config.LOGV) 63 Log.v("ddm-exit", "Handling " + name(request.type) + " chunk"); 64 65 /* 66 * Process the request. 67 */ 68 ByteBuffer in = wrapChunk(request); 69 70 int statusCode = in.getInt(); 71 72 Runtime.getRuntime().halt(statusCode); 73 74 // if that doesn't work, return an empty message 75 return null; 76 } 77 } 78 79