The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 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 android.os.Debug; |
| 25 | |
| 26 | import java.nio.ByteBuffer; |
| 27 | |
| 28 | /** |
The Android Open Source Project | 7b0b1ed | 2009-03-18 22:20:26 -0700 | [diff] [blame] | 29 | * Handle "hello" messages and feature discovery. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 30 | */ |
| 31 | public class DdmHandleHello extends ChunkHandler { |
| 32 | |
| 33 | public static final int CHUNK_HELO = type("HELO"); |
| 34 | public static final int CHUNK_WAIT = type("WAIT"); |
The Android Open Source Project | 7b0b1ed | 2009-03-18 22:20:26 -0700 | [diff] [blame] | 35 | public static final int CHUNK_FEAT = type("FEAT"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 36 | |
| 37 | private static DdmHandleHello mInstance = new DdmHandleHello(); |
| 38 | |
| 39 | |
| 40 | /* singleton, do not instantiate */ |
| 41 | private DdmHandleHello() {} |
| 42 | |
| 43 | /** |
| 44 | * Register for the messages we're interested in. |
| 45 | */ |
| 46 | public static void register() { |
| 47 | DdmServer.registerHandler(CHUNK_HELO, mInstance); |
The Android Open Source Project | 7b0b1ed | 2009-03-18 22:20:26 -0700 | [diff] [blame] | 48 | DdmServer.registerHandler(CHUNK_FEAT, mInstance); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 49 | } |
| 50 | |
| 51 | /** |
| 52 | * Called when the DDM server connects. The handler is allowed to |
| 53 | * send messages to the server. |
| 54 | */ |
| 55 | public void connected() { |
| 56 | if (Config.LOGV) |
| 57 | Log.v("ddm-hello", "Connected!"); |
| 58 | |
Andy McFadden | e577232 | 2010-01-22 07:23:31 -0800 | [diff] [blame] | 59 | if (false) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 60 | /* test spontaneous transmission */ |
| 61 | byte[] data = new byte[] { 0, 1, 2, 3, 4, -4, -3, -2, -1, 127 }; |
| 62 | Chunk testChunk = |
| 63 | new Chunk(ChunkHandler.type("TEST"), data, 1, data.length-2); |
| 64 | DdmServer.sendChunk(testChunk); |
| 65 | } |
| 66 | } |
| 67 | |
| 68 | /** |
| 69 | * Called when the DDM server disconnects. Can be used to disable |
| 70 | * periodic transmissions or clean up saved state. |
| 71 | */ |
| 72 | public void disconnected() { |
| 73 | if (Config.LOGV) |
| 74 | Log.v("ddm-hello", "Disconnected!"); |
| 75 | } |
| 76 | |
| 77 | /** |
The Android Open Source Project | 7b0b1ed | 2009-03-18 22:20:26 -0700 | [diff] [blame] | 78 | * Handle a chunk of data. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 79 | */ |
| 80 | public Chunk handleChunk(Chunk request) { |
| 81 | if (Config.LOGV) |
The Android Open Source Project | 7b0b1ed | 2009-03-18 22:20:26 -0700 | [diff] [blame] | 82 | Log.v("ddm-heap", "Handling " + name(request.type) + " chunk"); |
| 83 | int type = request.type; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 84 | |
The Android Open Source Project | 7b0b1ed | 2009-03-18 22:20:26 -0700 | [diff] [blame] | 85 | if (type == CHUNK_HELO) { |
| 86 | return handleHELO(request); |
| 87 | } else if (type == CHUNK_FEAT) { |
| 88 | return handleFEAT(request); |
| 89 | } else { |
| 90 | throw new RuntimeException("Unknown packet " |
| 91 | + ChunkHandler.name(type)); |
| 92 | } |
| 93 | } |
| 94 | |
| 95 | /* |
| 96 | * Handle introductory packet. |
| 97 | */ |
| 98 | private Chunk handleHELO(Chunk request) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 99 | if (false) |
| 100 | return createFailChunk(123, "This is a test"); |
| 101 | |
| 102 | /* |
| 103 | * Process the request. |
| 104 | */ |
| 105 | ByteBuffer in = wrapChunk(request); |
| 106 | |
| 107 | int serverProtoVers = in.getInt(); |
| 108 | if (Config.LOGV) |
| 109 | Log.v("ddm-hello", "Server version is " + serverProtoVers); |
| 110 | |
| 111 | /* |
| 112 | * Create a response. |
| 113 | */ |
| 114 | String vmName = System.getProperty("java.vm.name", "?"); |
| 115 | String vmVersion = System.getProperty("java.vm.version", "?"); |
| 116 | String vmIdent = vmName + " v" + vmVersion; |
| 117 | |
| 118 | //String appName = android.app.ActivityThread.currentPackageName(); |
| 119 | //if (appName == null) |
| 120 | // appName = "unknown"; |
| 121 | String appName = DdmHandleAppName.getAppName(); |
| 122 | |
| 123 | ByteBuffer out = ByteBuffer.allocate(16 |
| 124 | + vmIdent.length()*2 + appName.length()*2); |
| 125 | out.order(ChunkHandler.CHUNK_ORDER); |
| 126 | out.putInt(DdmServer.CLIENT_PROTOCOL_VERSION); |
| 127 | out.putInt(android.os.Process.myPid()); |
| 128 | out.putInt(vmIdent.length()); |
| 129 | out.putInt(appName.length()); |
| 130 | putString(out, vmIdent); |
| 131 | putString(out, appName); |
| 132 | |
| 133 | Chunk reply = new Chunk(CHUNK_HELO, out); |
| 134 | |
| 135 | /* |
| 136 | * Take the opportunity to inform DDMS if we are waiting for a |
| 137 | * debugger to attach. |
| 138 | */ |
| 139 | if (Debug.waitingForDebugger()) |
| 140 | sendWAIT(0); |
| 141 | |
| 142 | return reply; |
| 143 | } |
| 144 | |
The Android Open Source Project | 7b0b1ed | 2009-03-18 22:20:26 -0700 | [diff] [blame] | 145 | /* |
| 146 | * Handle request for list of supported features. |
| 147 | */ |
| 148 | private Chunk handleFEAT(Chunk request) { |
| 149 | // TODO: query the VM to ensure that support for these features |
| 150 | // is actually compiled in |
Andy McFadden | e577232 | 2010-01-22 07:23:31 -0800 | [diff] [blame] | 151 | final String[] features = Debug.getVmFeatureList(); |
The Android Open Source Project | 7b0b1ed | 2009-03-18 22:20:26 -0700 | [diff] [blame] | 152 | |
Andy McFadden | 98d4935 | 2009-09-04 11:16:50 -0700 | [diff] [blame] | 153 | if (Config.LOGV) |
| 154 | Log.v("ddm-heap", "Got feature list request"); |
The Android Open Source Project | 7b0b1ed | 2009-03-18 22:20:26 -0700 | [diff] [blame] | 155 | |
| 156 | int size = 4 + 4 * features.length; |
| 157 | for (int i = features.length-1; i >= 0; i--) |
| 158 | size += features[i].length() * 2; |
| 159 | |
| 160 | ByteBuffer out = ByteBuffer.allocate(size); |
| 161 | out.order(ChunkHandler.CHUNK_ORDER); |
| 162 | out.putInt(features.length); |
| 163 | for (int i = features.length-1; i >= 0; i--) { |
| 164 | out.putInt(features[i].length()); |
| 165 | putString(out, features[i]); |
| 166 | } |
| 167 | |
| 168 | return new Chunk(CHUNK_FEAT, out); |
| 169 | } |
| 170 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 171 | /** |
| 172 | * Send up a WAIT chunk. The only currently defined value for "reason" |
| 173 | * is zero, which means "waiting for a debugger". |
| 174 | */ |
| 175 | public static void sendWAIT(int reason) { |
| 176 | byte[] data = new byte[] { (byte) reason }; |
| 177 | Chunk waitChunk = new Chunk(CHUNK_WAIT, data, 0, 1); |
| 178 | DdmServer.sendChunk(waitChunk); |
| 179 | } |
| 180 | } |
| 181 | |