StrictMode.java revision c1a968a8ed45181312f7d4bcdbba0cc8ddc201ba
1438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick/* 2438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick * Copyright (C) 2010 The Android Open Source Project 3438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick * 4438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick * Licensed under the Apache License, Version 2.0 (the "License"); 5438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick * you may not use this file except in compliance with the License. 6438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick * You may obtain a copy of the License at 7438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick * 8438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick * http://www.apache.org/licenses/LICENSE-2.0 9438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick * 10438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick * Unless required by applicable law or agreed to in writing, software 11438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick * distributed under the License is distributed on an "AS IS" BASIS, 12438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick * See the License for the specific language governing permissions and 14438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick * limitations under the License. 15438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick */ 16438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrickpackage android.os; 17438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 18599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrickimport android.animation.ValueAnimator; 19438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrickimport android.app.ActivityManagerNative; 20bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrickimport android.app.ActivityThread; 21438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrickimport android.app.ApplicationErrorReport; 221065685400335ef8c1220f34b4e896e7da603789Brad Fitzpatrickimport android.app.IActivityManager; 23bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrickimport android.content.Intent; 24438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrickimport android.util.Log; 25cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrickimport android.util.Printer; 26cdcb73ef781b8f7d37d9f758409a0c7671517b37Brad Fitzpatrickimport android.util.Singleton; 276804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrickimport android.view.IWindowManager; 28438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 29438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrickimport com.android.internal.os.RuntimeInit; 30438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 31438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrickimport dalvik.system.BlockGuard; 32fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstromimport dalvik.system.CloseGuard; 33438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 345b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrickimport java.io.PrintWriter; 355b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrickimport java.io.StringWriter; 365b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrickimport java.util.ArrayList; 3746d42387464a651268648659e91d022566d4844cBrad Fitzpatrickimport java.util.HashMap; 38bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrickimport java.util.concurrent.atomic.AtomicInteger; 3946d42387464a651268648659e91d022566d4844cBrad Fitzpatrick 40438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick/** 4132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>StrictMode is a developer tool which detects things you might be 4232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * doing by accident and brings them to your attention so you can fix 4332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * them. 4415ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * 4515ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * <p>StrictMode is most commonly used to catch accidental disk or 4615ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * network access on the application's main thread, where UI 4715ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * operations are received and animations take place. Keeping disk 4815ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * and network operations off the main thread makes for much smoother, 499fc2fc5757a3d28d098bd2b0ad0f869a3cf3fa14Brad Fitzpatrick * more responsive applications. By keeping your application's main thread 509fc2fc5757a3d28d098bd2b0ad0f869a3cf3fa14Brad Fitzpatrick * responsive, you also prevent 519fc2fc5757a3d28d098bd2b0ad0f869a3cf3fa14Brad Fitzpatrick * <a href="{@docRoot}guide/practices/design/responsiveness.html">ANR dialogs</a> 529fc2fc5757a3d28d098bd2b0ad0f869a3cf3fa14Brad Fitzpatrick * from being shown to users. 5315ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * 5415ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * <p class="note">Note that even though an Android device's disk is 5515ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * often on flash memory, many devices run a filesystem on top of that 5615ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * memory with very limited concurrency. It's often the case that 5715ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * almost all disk accesses are fast, but may in individual cases be 5815ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * dramatically slower when certain I/O is happening in the background 5915ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * from other processes. If possible, it's best to assume that such 6015ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * things are not fast.</p> 6115ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * 6215ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * <p>Example code to enable from early in your 6315ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * {@link android.app.Application}, {@link android.app.Activity}, or 6415ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * other application component's 6515ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * {@link android.app.Application#onCreate} method: 6615ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * 6715ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * <pre> 6815ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * public void onCreate() { 6915ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * if (DEVELOPER_MODE) { 7032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * StrictMode.setThreadPolicy(new {@link ThreadPolicy.Builder StrictMode.ThreadPolicy.Builder}() 7132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .detectDiskReads() 7232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .detectDiskWrites() 7332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .detectNetwork() // or .detectAll() for all detectable problems 7432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .penaltyLog() 7532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .build()); 7632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * StrictMode.setVmPolicy(new {@link VmPolicy.Builder StrictMode.VmPolicy.Builder}() 7762a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick * .detectLeakedSqlLiteObjects() 78fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * .detectLeakedClosableObjects() 7932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .penaltyLog() 8032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .penaltyDeath() 8132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .build()); 8215ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * } 8315ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * super.onCreate(); 8415ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * } 8515ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * </pre> 8615ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * 8732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>You can decide what should happen when a violation is detected. 8832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * For example, using {@link ThreadPolicy.Builder#penaltyLog} you can 8932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * watch the output of <code>adb logcat</code> while you use your 9032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * application to see the violations as they happen. 9115ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * 9215ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * <p>If you find violations that you feel are problematic, there are 9315ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * a variety of tools to help solve them: threads, {@link android.os.Handler}, 9415ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * {@link android.os.AsyncTask}, {@link android.app.IntentService}, etc. 9515ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * But don't feel compelled to fix everything that StrictMode finds. In particular, 9632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * many cases of disk access are often necessary during the normal activity lifecycle. Use 9732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * StrictMode to find things you did by accident. Network requests on the UI thread 9815ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * are almost always a problem, though. 9915ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * 10015ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * <p class="note">StrictMode is not a security mechanism and is not 10115ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * guaranteed to find all disk or network accesses. While it does 10215ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * propagate its state across process boundaries when doing 10315ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * {@link android.os.Binder} calls, it's still ultimately a best 10415ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * effort mechanism. Notably, disk or network access from JNI calls 10515ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * won't necessarily trigger it. Future versions of Android may catch 10615ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * more (or fewer) operations, so you should never leave StrictMode 10715ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * enabled in shipping applications on the Android Market. 108438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick */ 109438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrickpublic final class StrictMode { 110438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick private static final String TAG = "StrictMode"; 11182829ef3b7c72bee36d8c17b36ac565f1856a310Brad Fitzpatrick private static final boolean LOG_V = Log.isLoggable(TAG, Log.VERBOSE); 112438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 1131181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick private static final boolean IS_USER_BUILD = "user".equals(Build.TYPE); 1146804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick private static final boolean IS_ENG_BUILD = "eng".equals(Build.TYPE); 1151181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick 116c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick /** 117c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick * The boolean system property to control screen flashes on violations. 118c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick * 119c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick * @hide 120c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick */ 121c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick public static final String VISUAL_PROPERTY = "persist.sys.strictmode.visual"; 122c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick 12346d42387464a651268648659e91d022566d4844cBrad Fitzpatrick // Only log a duplicate stack trace to the logs every second. 12446d42387464a651268648659e91d022566d4844cBrad Fitzpatrick private static final long MIN_LOG_INTERVAL_MS = 1000; 12546d42387464a651268648659e91d022566d4844cBrad Fitzpatrick 12646d42387464a651268648659e91d022566d4844cBrad Fitzpatrick // Only show an annoying dialog at most every 30 seconds 12746d42387464a651268648659e91d022566d4844cBrad Fitzpatrick private static final long MIN_DIALOG_INTERVAL_MS = 30000; 12846d42387464a651268648659e91d022566d4844cBrad Fitzpatrick 129e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick // How many Span tags (e.g. animations) to report. 130e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick private static final int MAX_SPAN_TAGS = 20; 131e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick 132191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick // How many offending stacks to keep track of (and time) per loop 133191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick // of the Looper. 134191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick private static final int MAX_OFFENSES_PER_LOOP = 10; 135191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick 13632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // Thread-policy: 137438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 13815ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick /** 13932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @hide 14015ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick */ 14132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static final int DETECT_DISK_WRITE = 0x01; // for ThreadPolicy 14215ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick 14315ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick /** 14432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @hide 14515ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick */ 14632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static final int DETECT_DISK_READ = 0x02; // for ThreadPolicy 14715ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick 14815ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick /** 14932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @hide 15015ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick */ 15132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static final int DETECT_NETWORK = 0x04; // for ThreadPolicy 152438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 15332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // Process-policy: 154438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 155438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick /** 15632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Note, a "VM_" bit, not thread. 15732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @hide 15832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 15932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static final int DETECT_VM_CURSOR_LEAKS = 0x200; // for ProcessPolicy 16032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 16132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 162fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * Note, a "VM_" bit, not thread. 163fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * @hide 164fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom */ 165fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom public static final int DETECT_VM_CLOSABLE_LEAKS = 0x400; // for ProcessPolicy 166fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom 167fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom /** 16832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @hide 169438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick */ 170438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick public static final int PENALTY_LOG = 0x10; // normal android.util.Log 171438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 17232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // Used for both process and thread policy: 17332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 174438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick /** 17532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @hide 176438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick */ 177438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick public static final int PENALTY_DIALOG = 0x20; 178438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 179438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick /** 180b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * Death on any detected violation. 181b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * 18232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @hide 183438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick */ 184438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick public static final int PENALTY_DEATH = 0x40; 185438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 186438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick /** 187b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * Death just for detected network usage. 188b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * 189b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * @hide 190b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick */ 191b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick public static final int PENALTY_DEATH_ON_NETWORK = 0x200; 192b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick 193b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick /** 1946804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick * Flash the screen during violations. 1956804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick * 1966804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick * @hide 1976804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick */ 1986804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick public static final int PENALTY_FLASH = 0x800; 1996804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick 2006804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick /** 20132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @hide 202438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick */ 203438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick public static final int PENALTY_DROPBOX = 0x80; 204438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 205727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick /** 206727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick * Non-public penalty mode which overrides all the other penalty 207727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick * bits and signals that we're in a Binder call and we should 208727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick * ignore the other penalty bits and instead serialize back all 209727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick * our offending stack traces to the caller to ultimately handle 210727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick * in the originating process. 211727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick * 212703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick * This must be kept in sync with the constant in libs/binder/Parcel.cpp 213703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick * 214727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick * @hide 215727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick */ 216727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick public static final int PENALTY_GATHER = 0x100; 217727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick 21832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 21971678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick * Mask of all the penalty bits. 22071678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick */ 22171678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick private static final int PENALTY_MASK = 222b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick PENALTY_LOG | PENALTY_DIALOG | PENALTY_DEATH | PENALTY_DROPBOX | PENALTY_GATHER | 2236804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick PENALTY_DEATH_ON_NETWORK | PENALTY_FLASH; 22471678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick 22571678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick /** 22632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * The current VmPolicy in effect. 22732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 22832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick private static volatile int sVmPolicyMask = 0; 22932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 230bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick /** 231bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick * The number of threads trying to do an async dropbox write. 232bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick * Just to limit ourselves out of paranoia. 233bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick */ 234bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick private static final AtomicInteger sDropboxCallsInFlight = new AtomicInteger(0); 235bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick 23632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick private StrictMode() {} 23732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 23832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 23932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * {@link StrictMode} policy applied to a certain thread. 24032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 24132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>The policy is enabled by {@link #setThreadPolicy}. The current policy 24232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * can be retrieved with {@link #getThreadPolicy}. 24332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 24432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>Note that multiple penalties may be provided and they're run 24532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * in order from least to most severe (logging before process 24632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * death, for example). There's currently no mechanism to choose 24732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * different penalties for different detected actions. 24832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 24932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static final class ThreadPolicy { 25032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 25132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * The default, lax policy which doesn't catch anything. 25232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 25332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static final ThreadPolicy LAX = new ThreadPolicy(0); 25432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 25532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick final int mask; 25632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 25732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick private ThreadPolicy(int mask) { 25832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick this.mask = mask; 25932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 26032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 26132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick @Override 26232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public String toString() { 26332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return "[StrictMode.ThreadPolicy; mask=" + mask + "]"; 26432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 26532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 26632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 26732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Creates ThreadPolicy instances. Methods whose names start 26832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * with {@code detect} specify what problems we should look 26932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * for. Methods whose names start with {@code penalty} specify what 27032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * we should do when we detect a problem. 27132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 27232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>You can call as many {@code detect} and {@code penalty} 27332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * methods as you like. Currently order is insignificant: all 27432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * penalties apply to all detected problems. 27532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 27632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>For example, detect everything and log anything that's found: 27732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <pre> 27832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * StrictMode.VmPolicy policy = new StrictMode.VmPolicy.Builder() 27932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .detectAll() 28032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .penaltyLog() 28132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .build(); 28232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * StrictMode.setVmPolicy(policy); 28332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * </pre> 28432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 28532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static final class Builder { 28632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick private int mMask = 0; 28732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 28832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 28932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Create a Builder that detects nothing and has no 29032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * violations. (but note that {@link #build} will default 29132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * to enabling {@link #penaltyLog} if no other penalties 29232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * are specified) 29332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 29432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder() { 29532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick mMask = 0; 29632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 29732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 29832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 29932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Initialize a Builder from an existing ThreadPolicy. 30032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 30132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder(ThreadPolicy policy) { 30232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick mMask = policy.mask; 30332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 30432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 30532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 30632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Detect everything that's potentially suspect. 30732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 30832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>As of the Gingerbread release this includes network and 30932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * disk operations but will likely expand in future releases. 31032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 31132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder detectAll() { 31232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return enable(DETECT_DISK_WRITE | DETECT_DISK_READ | DETECT_NETWORK); 31332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 31432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 31532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 31632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Disable the detection of everything. 31732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 31832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder permitAll() { 31932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return disable(DETECT_DISK_WRITE | DETECT_DISK_READ | DETECT_NETWORK); 32032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 32132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 32232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 32332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Enable detection of network operations. 32432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 32532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder detectNetwork() { 32632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return enable(DETECT_NETWORK); 32732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 32832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 32932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 33032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Disable detection of network operations. 33132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 33232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder permitNetwork() { 33332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return disable(DETECT_NETWORK); 33432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 33532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 33632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 33732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Enable detection of disk reads. 33832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 33932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder detectDiskReads() { 34032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return enable(DETECT_DISK_READ); 34132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 34232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 34332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 34432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Disable detection of disk reads. 34532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 34632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder permitDiskReads() { 34732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return disable(DETECT_DISK_READ); 34832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 34932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 35032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 35132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Enable detection of disk writes. 35232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 35332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder detectDiskWrites() { 35432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return enable(DETECT_DISK_WRITE); 35532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 35632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 35732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 35832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Disable detection of disk writes. 35932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 36032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder permitDiskWrites() { 36132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return disable(DETECT_DISK_WRITE); 36232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 36332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 36432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 36532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Show an annoying dialog to the developer on detected 36632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * violations, rate-limited to be only a little annoying. 36732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 36832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder penaltyDialog() { 36932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return enable(PENALTY_DIALOG); 37032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 37132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 37232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 37332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Crash the whole process on violation. This penalty runs at 37432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * the end of all enabled penalties so you'll still get 37532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * see logging or other violations before the process dies. 376b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * 377b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * <p>Unlike {@link #penaltyDeathOnNetwork}, this applies 378b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * to disk reads, disk writes, and network usage if their 379b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * corresponding detect flags are set. 38032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 38132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder penaltyDeath() { 38232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return enable(PENALTY_DEATH); 38332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 38432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 38532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 386b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * Crash the whole process on any network usage. Unlike 387b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * {@link #penaltyDeath}, this penalty runs 388b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * <em>before</em> anything else. You must still have 389b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * called {@link #detectNetwork} to enable this. 390b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * 391b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * <p>In the Honeycomb or later SDKs, this is on by default. 392b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick */ 393b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick public Builder penaltyDeathOnNetwork() { 394b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick return enable(PENALTY_DEATH_ON_NETWORK); 395b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick } 396b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick 397b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick /** 3986804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick * Flash the screen during a violation. 3996804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick */ 4006804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick public Builder penaltyFlashScreen() { 4016804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick return enable(PENALTY_FLASH); 4026804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick } 4036804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick 4046804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick /** 40532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Log detected violations to the system log. 40632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 40732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder penaltyLog() { 40832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return enable(PENALTY_LOG); 40932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 41032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 41132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 41232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Enable detected violations log a stacktrace and timing data 41332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * to the {@link android.os.DropBoxManager DropBox} on policy 41432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * violation. Intended mostly for platform integrators doing 41532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * beta user field data collection. 41632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 41732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder penaltyDropBox() { 41832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return enable(PENALTY_DROPBOX); 41932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 42032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 42132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick private Builder enable(int bit) { 42232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick mMask |= bit; 42332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return this; 42432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 42532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 42632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick private Builder disable(int bit) { 42732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick mMask &= ~bit; 42832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return this; 42932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 43032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 43132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 43232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Construct the ThreadPolicy instance. 43332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 43432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>Note: if no penalties are enabled before calling 43532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <code>build</code>, {@link #penaltyLog} is implicitly 43632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * set. 43732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 43832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public ThreadPolicy build() { 43932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // If there are detection bits set but no violation bits 44032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // set, enable simple logging. 44132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick if (mMask != 0 && 44232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick (mMask & (PENALTY_DEATH | PENALTY_LOG | 44332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick PENALTY_DROPBOX | PENALTY_DIALOG)) == 0) { 44432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick penaltyLog(); 44532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 44632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return new ThreadPolicy(mMask); 44732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 44832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 44932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 45032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 45132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 45232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * {@link StrictMode} policy applied to all threads in the virtual machine's process. 45332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 45432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>The policy is enabled by {@link #setVmPolicy}. 45532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 45632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static final class VmPolicy { 45732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 45832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * The default, lax policy which doesn't catch anything. 45932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 46032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static final VmPolicy LAX = new VmPolicy(0); 46132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 46232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick final int mask; 46332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 46432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick private VmPolicy(int mask) { 46532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick this.mask = mask; 46632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 46732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 46832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick @Override 46932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public String toString() { 47032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return "[StrictMode.VmPolicy; mask=" + mask + "]"; 47132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 47232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 47332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 47432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Creates {@link VmPolicy} instances. Methods whose names start 47532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * with {@code detect} specify what problems we should look 47632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * for. Methods whose names start with {@code penalty} specify what 47732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * we should do when we detect a problem. 47832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 47932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>You can call as many {@code detect} and {@code penalty} 48032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * methods as you like. Currently order is insignificant: all 48132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * penalties apply to all detected problems. 48232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 48332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>For example, detect everything and log anything that's found: 48432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <pre> 48532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * StrictMode.VmPolicy policy = new StrictMode.VmPolicy.Builder() 48632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .detectAll() 48732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .penaltyLog() 48832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .build(); 48932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * StrictMode.setVmPolicy(policy); 49032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * </pre> 49132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 49232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static final class Builder { 49332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick private int mMask; 49432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 49532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 49632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Detect everything that's potentially suspect. 49732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 498fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * <p>In the Honeycomb release this includes leaks of 499fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * SQLite cursors and other closable objects but will 500fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * likely expand in future releases. 50132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 50232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder detectAll() { 503fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom return enable(DETECT_VM_CURSOR_LEAKS | DETECT_VM_CLOSABLE_LEAKS); 50432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 50532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 50632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 50732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Detect when an 50832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * {@link android.database.sqlite.SQLiteCursor} or other 50932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * SQLite object is finalized without having been closed. 51032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 51132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>You always want to explicitly close your SQLite 51232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * cursors to avoid unnecessary database contention and 51332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * temporary memory leaks. 51432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 51532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder detectLeakedSqlLiteObjects() { 51632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return enable(DETECT_VM_CURSOR_LEAKS); 51732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 51832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 51932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 520fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * Detect when an {@link java.io.Closeable} or other 521fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * object with a explict termination method is finalized 522fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * without having been closed. 523fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * 524fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * <p>You always want to explicitly close such objects to 525fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * avoid unnecessary resources leaks. 526fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom */ 527fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom public Builder detectLeakedClosableObjects() { 528fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom return enable(DETECT_VM_CLOSABLE_LEAKS); 529fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom } 530fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom 531fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom /** 53232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Crashes the whole process on violation. This penalty runs at 53332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * the end of all enabled penalties so yo you'll still get 53432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * your logging or other violations before the process dies. 53532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 53632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder penaltyDeath() { 53732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return enable(PENALTY_DEATH); 53832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 53932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 54032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 54132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Log detected violations to the system log. 54232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 54332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder penaltyLog() { 54432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return enable(PENALTY_LOG); 54532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 54632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 54732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 54832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Enable detected violations log a stacktrace and timing data 54932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * to the {@link android.os.DropBoxManager DropBox} on policy 55032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * violation. Intended mostly for platform integrators doing 55132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * beta user field data collection. 55232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 55332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder penaltyDropBox() { 55432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return enable(PENALTY_DROPBOX); 55532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 55632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 55732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick private Builder enable(int bit) { 55832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick mMask |= bit; 55932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return this; 56032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 56132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 56232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 56332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Construct the VmPolicy instance. 56432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 56532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>Note: if no penalties are enabled before calling 56632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <code>build</code>, {@link #penaltyLog} is implicitly 56732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * set. 56832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 56932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public VmPolicy build() { 57032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // If there are detection bits set but no violation bits 57132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // set, enable simple logging. 57232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick if (mMask != 0 && 57332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick (mMask & (PENALTY_DEATH | PENALTY_LOG | 57432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick PENALTY_DROPBOX | PENALTY_DIALOG)) == 0) { 57532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick penaltyLog(); 57632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 57732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return new VmPolicy(mMask); 57832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 57932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 58032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 581438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 582438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick /** 5835b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * Log of strict mode violation stack traces that have occurred 5845b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * during a Binder call, to be serialized back later to the caller 5855b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * via Parcel.writeNoException() (amusingly) where the caller can 5865b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * choose how to react. 5875b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick */ 588cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick private static final ThreadLocal<ArrayList<ViolationInfo>> gatheredViolations = 589cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick new ThreadLocal<ArrayList<ViolationInfo>>() { 590cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick @Override protected ArrayList<ViolationInfo> initialValue() { 591703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick // Starts null to avoid unnecessary allocations when 592703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick // checking whether there are any violations or not in 593703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick // hasGatheredViolations() below. 594703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick return null; 5955b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 5965b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick }; 5975b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick 5985b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick /** 59932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Sets the policy for what actions on the current thread should 60032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * be detected, as well as the penalty if such actions occur. 60115ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * 60232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>Internally this sets a thread-local variable which is 60315ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * propagated across cross-process IPC calls, meaning you can 60415ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * catch violations when a system service or another process 60515ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * accesses the disk or network on your behalf. 606438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick * 60732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @param policy the policy to put into place 608438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick */ 60932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static void setThreadPolicy(final ThreadPolicy policy) { 61032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick setThreadPolicyMask(policy.mask); 61132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 61232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 61332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick private static void setThreadPolicyMask(final int policyMask) { 614727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // In addition to the Java-level thread-local in Dalvik's 615727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // BlockGuard, we also need to keep a native thread-local in 616727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // Binder in order to propagate the value across Binder calls, 617727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // even across native-only processes. The two are kept in 618727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // sync via the callback to onStrictModePolicyChange, below. 619727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick setBlockGuardPolicy(policyMask); 620727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick 621727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // And set the Android native version... 622727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick Binder.setThreadStrictModePolicy(policyMask); 623727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick } 624727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick 625727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // Sets the policy in Dalvik/libcore (BlockGuard) 626727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick private static void setBlockGuardPolicy(final int policyMask) { 62746d42387464a651268648659e91d022566d4844cBrad Fitzpatrick if (policyMask == 0) { 62846d42387464a651268648659e91d022566d4844cBrad Fitzpatrick BlockGuard.setThreadPolicy(BlockGuard.LAX_POLICY); 62946d42387464a651268648659e91d022566d4844cBrad Fitzpatrick return; 63046d42387464a651268648659e91d022566d4844cBrad Fitzpatrick } 631438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick BlockGuard.Policy policy = BlockGuard.getThreadPolicy(); 632438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick if (!(policy instanceof AndroidBlockGuardPolicy)) { 633438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick BlockGuard.setThreadPolicy(new AndroidBlockGuardPolicy(policyMask)); 634438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } else { 635438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick AndroidBlockGuardPolicy androidPolicy = (AndroidBlockGuardPolicy) policy; 636438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick androidPolicy.setPolicyMask(policyMask); 637438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 638438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 639438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 6404b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom // Sets up CloseGuard in Dalvik/libcore 6414b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom private static void setCloseGuardEnabled(boolean enabled) { 6427c2ae6570321575ad74a25bdc72bea1ec6558660Brad Fitzpatrick if (!(CloseGuard.getReporter() instanceof AndroidCloseGuardReporter)) { 6434b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom CloseGuard.setReporter(new AndroidCloseGuardReporter()); 6444b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom } 6454b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom CloseGuard.setEnabled(enabled); 6464b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom } 6474b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom 6485b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick private static class StrictModeNetworkViolation extends BlockGuard.BlockGuardPolicyException { 6495b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick public StrictModeNetworkViolation(int policyMask) { 65032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick super(policyMask, DETECT_NETWORK); 6515b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 6525b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 6535b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick 6545b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick private static class StrictModeDiskReadViolation extends BlockGuard.BlockGuardPolicyException { 6555b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick public StrictModeDiskReadViolation(int policyMask) { 65632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick super(policyMask, DETECT_DISK_READ); 6575b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 6585b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 6595b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick 6605b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick private static class StrictModeDiskWriteViolation extends BlockGuard.BlockGuardPolicyException { 6615b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick public StrictModeDiskWriteViolation(int policyMask) { 66232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick super(policyMask, DETECT_DISK_WRITE); 6635b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 6645b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 6655b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick 666438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick /** 66715ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * Returns the bitmask of the current thread's policy. 668438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick * 66932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @return the bitmask of all the DETECT_* and PENALTY_* bits currently enabled 67032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 67132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @hide 672438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick */ 67332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static int getThreadPolicyMask() { 674438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick return BlockGuard.getThreadPolicy().getPolicyMask(); 675438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 676438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 6775b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick /** 67832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Returns the current thread's policy. 67932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 68032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static ThreadPolicy getThreadPolicy() { 68132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return new ThreadPolicy(getThreadPolicyMask()); 68232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 68332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 68432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 68532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * A convenience wrapper that takes the current 68632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * {@link ThreadPolicy} from {@link #getThreadPolicy}, modifies it 68732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * to permit both disk reads & writes, and sets the new policy 68832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * with {@link #setThreadPolicy}, returning the old policy so you 68932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * can restore it at the end of a block. 69097461bd25c3821f3fb6af9705f0612259c6b4492Brad Fitzpatrick * 69132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @return the old policy, to be passed to {@link #setThreadPolicy} to 69232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * restore the policy at the end of a block 69397461bd25c3821f3fb6af9705f0612259c6b4492Brad Fitzpatrick */ 69432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static ThreadPolicy allowThreadDiskWrites() { 69532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick int oldPolicyMask = getThreadPolicyMask(); 69632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick int newPolicyMask = oldPolicyMask & ~(DETECT_DISK_WRITE | DETECT_DISK_READ); 69732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick if (newPolicyMask != oldPolicyMask) { 69832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick setThreadPolicyMask(newPolicyMask); 69997461bd25c3821f3fb6af9705f0612259c6b4492Brad Fitzpatrick } 70032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return new ThreadPolicy(oldPolicyMask); 70197461bd25c3821f3fb6af9705f0612259c6b4492Brad Fitzpatrick } 70297461bd25c3821f3fb6af9705f0612259c6b4492Brad Fitzpatrick 70397461bd25c3821f3fb6af9705f0612259c6b4492Brad Fitzpatrick /** 70432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * A convenience wrapper that takes the current 70532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * {@link ThreadPolicy} from {@link #getThreadPolicy}, modifies it 70632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * to permit disk reads, and sets the new policy 70732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * with {@link #setThreadPolicy}, returning the old policy so you 70832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * can restore it at the end of a block. 70997461bd25c3821f3fb6af9705f0612259c6b4492Brad Fitzpatrick * 71032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @return the old policy, to be passed to setThreadPolicy to 71197461bd25c3821f3fb6af9705f0612259c6b4492Brad Fitzpatrick * restore the policy. 71297461bd25c3821f3fb6af9705f0612259c6b4492Brad Fitzpatrick */ 71332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static ThreadPolicy allowThreadDiskReads() { 71432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick int oldPolicyMask = getThreadPolicyMask(); 71532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick int newPolicyMask = oldPolicyMask & ~(DETECT_DISK_READ); 71632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick if (newPolicyMask != oldPolicyMask) { 71732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick setThreadPolicyMask(newPolicyMask); 71897461bd25c3821f3fb6af9705f0612259c6b4492Brad Fitzpatrick } 71932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return new ThreadPolicy(oldPolicyMask); 72097461bd25c3821f3fb6af9705f0612259c6b4492Brad Fitzpatrick } 72197461bd25c3821f3fb6af9705f0612259c6b4492Brad Fitzpatrick 72297461bd25c3821f3fb6af9705f0612259c6b4492Brad Fitzpatrick /** 72350d66f9fcdac84b2af65a82be56728f54b1a7ef0Brad Fitzpatrick * Enable DropBox logging for debug phone builds. 72450d66f9fcdac84b2af65a82be56728f54b1a7ef0Brad Fitzpatrick * 72550d66f9fcdac84b2af65a82be56728f54b1a7ef0Brad Fitzpatrick * @hide 72650d66f9fcdac84b2af65a82be56728f54b1a7ef0Brad Fitzpatrick */ 72750d66f9fcdac84b2af65a82be56728f54b1a7ef0Brad Fitzpatrick public static boolean conditionallyEnableDebugLogging() { 728c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick boolean doFlashes = SystemProperties.getBoolean(VISUAL_PROPERTY, IS_ENG_BUILD); 729c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick 73050d66f9fcdac84b2af65a82be56728f54b1a7ef0Brad Fitzpatrick // For debug builds, log event loop stalls to dropbox for analysis. 73150d66f9fcdac84b2af65a82be56728f54b1a7ef0Brad Fitzpatrick // Similar logic also appears in ActivityThread.java for system apps. 732c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick if (IS_USER_BUILD && !doFlashes) { 7337c2ae6570321575ad74a25bdc72bea1ec6558660Brad Fitzpatrick setCloseGuardEnabled(false); 73450d66f9fcdac84b2af65a82be56728f54b1a7ef0Brad Fitzpatrick return false; 73550d66f9fcdac84b2af65a82be56728f54b1a7ef0Brad Fitzpatrick } 736c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick 737c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick int threadPolicyMask = StrictMode.DETECT_DISK_WRITE | 738c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick StrictMode.DETECT_DISK_READ | 739c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick StrictMode.DETECT_NETWORK; 740c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick 741c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick if (!IS_USER_BUILD) { 742c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick threadPolicyMask |= StrictMode.PENALTY_DROPBOX; 743c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick } 744c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick if (doFlashes) { 745c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick threadPolicyMask |= StrictMode.PENALTY_FLASH; 746c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick } 747c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick 748c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick StrictMode.setThreadPolicyMask(threadPolicyMask); 749c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick 750c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick if (IS_USER_BUILD) { 751c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick setCloseGuardEnabled(false); 752c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick } else { 753c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick sVmPolicyMask = StrictMode.DETECT_VM_CURSOR_LEAKS | 754c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick StrictMode.DETECT_VM_CLOSABLE_LEAKS | 755c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick StrictMode.PENALTY_DROPBOX; 756c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick setCloseGuardEnabled(vmClosableObjectLeaksEnabled()); 757c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick } 75850d66f9fcdac84b2af65a82be56728f54b1a7ef0Brad Fitzpatrick return true; 75950d66f9fcdac84b2af65a82be56728f54b1a7ef0Brad Fitzpatrick } 76050d66f9fcdac84b2af65a82be56728f54b1a7ef0Brad Fitzpatrick 76150d66f9fcdac84b2af65a82be56728f54b1a7ef0Brad Fitzpatrick /** 762b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * Used by the framework to make network usage on the main 763b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * thread a fatal error. 764b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * 765b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * @hide 766b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick */ 767b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick public static void enableDeathOnNetwork() { 768b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick int oldPolicy = getThreadPolicyMask(); 769b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick int newPolicy = oldPolicy | DETECT_NETWORK | PENALTY_DEATH_ON_NETWORK; 770b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick setThreadPolicyMask(newPolicy); 771b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick } 772b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick 773b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick /** 7745b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * Parses the BlockGuard policy mask out from the Exception's 7755b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * getMessage() String value. Kinda gross, but least 7765b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * invasive. :/ 7775b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * 7785b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * Input is of form "policy=137 violation=64" 7795b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * 7805b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * Returns 0 on failure, which is a valid policy, but not a 7815b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * valid policy during a violation (else there must've been 7825b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * some policy in effect to violate). 7835b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick */ 7845b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick private static int parsePolicyFromMessage(String message) { 7855b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick if (message == null || !message.startsWith("policy=")) { 7865b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick return 0; 7875b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 7885b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick int spaceIndex = message.indexOf(' '); 7895b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick if (spaceIndex == -1) { 7905b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick return 0; 7915b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 7925b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick String policyString = message.substring(7, spaceIndex); 7935b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick try { 7945b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick return Integer.valueOf(policyString).intValue(); 7955b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } catch (NumberFormatException e) { 7965b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick return 0; 7975b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 7985b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 7995b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick 8005b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick /** 8015b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * Like parsePolicyFromMessage(), but returns the violation. 8025b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick */ 8035b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick private static int parseViolationFromMessage(String message) { 8045b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick if (message == null) { 8055b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick return 0; 8065b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 8075b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick int violationIndex = message.indexOf("violation="); 8085b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick if (violationIndex == -1) { 8095b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick return 0; 8105b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 8115b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick String violationString = message.substring(violationIndex + 10); 8125b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick try { 8135b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick return Integer.valueOf(violationString).intValue(); 8145b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } catch (NumberFormatException e) { 8155b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick return 0; 8165b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 8175b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 8185b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick 819191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick private static final ThreadLocal<ArrayList<ViolationInfo>> violationsBeingTimed = 820191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick new ThreadLocal<ArrayList<ViolationInfo>>() { 821191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick @Override protected ArrayList<ViolationInfo> initialValue() { 822191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick return new ArrayList<ViolationInfo>(); 823191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick } 824191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick }; 825191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick 826191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick private static boolean tooManyViolationsThisLoop() { 827191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick return violationsBeingTimed.get().size() >= MAX_OFFENSES_PER_LOOP; 828191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick } 829191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick 830438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick private static class AndroidBlockGuardPolicy implements BlockGuard.Policy { 831438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick private int mPolicyMask; 83246d42387464a651268648659e91d022566d4844cBrad Fitzpatrick 83346d42387464a651268648659e91d022566d4844cBrad Fitzpatrick // Map from violation stacktrace hashcode -> uptimeMillis of 83446d42387464a651268648659e91d022566d4844cBrad Fitzpatrick // last violation. No locking needed, as this is only 83546d42387464a651268648659e91d022566d4844cBrad Fitzpatrick // accessed by the same thread. 83646d42387464a651268648659e91d022566d4844cBrad Fitzpatrick private final HashMap<Integer, Long> mLastViolationTime = new HashMap<Integer, Long>(); 837438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 838438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick public AndroidBlockGuardPolicy(final int policyMask) { 839438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick mPolicyMask = policyMask; 840438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 841438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 8425b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick @Override 8435b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick public String toString() { 8445b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick return "AndroidBlockGuardPolicy; mPolicyMask=" + mPolicyMask; 8455b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 8465b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick 847438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick // Part of BlockGuard.Policy interface: 848438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick public int getPolicyMask() { 849438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick return mPolicyMask; 850438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 851438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 852438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick // Part of BlockGuard.Policy interface: 853438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick public void onWriteToDisk() { 85432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick if ((mPolicyMask & DETECT_DISK_WRITE) == 0) { 855438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick return; 856438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 857191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick if (tooManyViolationsThisLoop()) { 858191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick return; 859191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick } 860cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick BlockGuard.BlockGuardPolicyException e = new StrictModeDiskWriteViolation(mPolicyMask); 861cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick e.fillInStackTrace(); 862cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick startHandlingViolationException(e); 863438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 864438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 865438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick // Part of BlockGuard.Policy interface: 866438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick public void onReadFromDisk() { 86732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick if ((mPolicyMask & DETECT_DISK_READ) == 0) { 868438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick return; 869438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 870191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick if (tooManyViolationsThisLoop()) { 871191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick return; 872191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick } 873cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick BlockGuard.BlockGuardPolicyException e = new StrictModeDiskReadViolation(mPolicyMask); 874cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick e.fillInStackTrace(); 875cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick startHandlingViolationException(e); 876438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 877438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 878438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick // Part of BlockGuard.Policy interface: 879438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick public void onNetwork() { 88032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick if ((mPolicyMask & DETECT_NETWORK) == 0) { 881438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick return; 882438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 883b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick if ((mPolicyMask & PENALTY_DEATH_ON_NETWORK) != 0) { 884b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick throw new NetworkOnMainThreadException(); 885b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick } 886191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick if (tooManyViolationsThisLoop()) { 887191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick return; 888191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick } 889cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick BlockGuard.BlockGuardPolicyException e = new StrictModeNetworkViolation(mPolicyMask); 890cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick e.fillInStackTrace(); 891cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick startHandlingViolationException(e); 892438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 893438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 894438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick public void setPolicyMask(int policyMask) { 895438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick mPolicyMask = policyMask; 896438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 897438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 8985b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick // Start handling a violation that just started and hasn't 8995b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick // actually run yet (e.g. no disk write or network operation 9005b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick // has yet occurred). This sees if we're in an event loop 9015b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick // thread and, if so, uses it to roughly measure how long the 9025b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick // violation took. 9035b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick void startHandlingViolationException(BlockGuard.BlockGuardPolicyException e) { 904cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick final ViolationInfo info = new ViolationInfo(e, e.getPolicy()); 905cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick info.violationUptimeMillis = SystemClock.uptimeMillis(); 906cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick handleViolationWithTimingAttempt(info); 907cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 908438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 909cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // Attempts to fill in the provided ViolationInfo's 910cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // durationMillis field if this thread has a Looper we can use 911cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // to measure with. We measure from the time of violation 912cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // until the time the looper is idle again (right before 913cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // the next epoll_wait) 914cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick void handleViolationWithTimingAttempt(final ViolationInfo info) { 915438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick Looper looper = Looper.myLooper(); 916cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 917cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // Without a Looper, we're unable to time how long the 918cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // violation takes place. This case should be rare, as 919cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // most users will care about timing violations that 920cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // happen on their main UI thread. Note that this case is 921cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // also hit when a violation takes place in a Binder 922cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // thread, in "gather" mode. In this case, the duration 923cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // of the violation is computed by the ultimate caller and 924cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // its Looper, if any. 925cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // TODO: if in gather mode, ignore Looper.myLooper() and always 926cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // go into this immediate mode? 927438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick if (looper == null) { 928cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick info.durationMillis = -1; // unknown (redundant, already set) 929cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick handleViolation(info); 930cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick return; 931438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 932438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 933cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick MessageQueue queue = Looper.myQueue(); 934cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick final ArrayList<ViolationInfo> records = violationsBeingTimed.get(); 935191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick if (records.size() >= MAX_OFFENSES_PER_LOOP) { 936cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // Not worth measuring. Too many offenses in one loop. 937cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick return; 938cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 939cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick records.add(info); 940cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if (records.size() > 1) { 941cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // There's already been a violation this loop, so we've already 942cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // registered an idle handler to process the list of violations 943cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // at the end of this Looper's loop. 944cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick return; 945cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 946cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 9476804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick final IWindowManager windowManager = (info.policy & PENALTY_FLASH) != 0 ? 948cdcb73ef781b8f7d37d9f758409a0c7671517b37Brad Fitzpatrick sWindowManager.get() : null; 9496804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick if (windowManager != null) { 9506804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick try { 9516804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick windowManager.showStrictModeViolation(true); 9526804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick } catch (RemoteException unused) { 9536804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick } 9546804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick } 9556804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick 956cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick queue.addIdleHandler(new MessageQueue.IdleHandler() { 957cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick public boolean queueIdle() { 958cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick long loopFinishTime = SystemClock.uptimeMillis(); 959cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick for (int n = 0; n < records.size(); ++n) { 960cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick ViolationInfo v = records.get(n); 961cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick v.violationNumThisLoop = n + 1; 962cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick v.durationMillis = 963cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick (int) (loopFinishTime - v.violationUptimeMillis); 964cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick handleViolation(v); 965cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 966cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick records.clear(); 9676804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick if (windowManager != null) { 9686804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick try { 9696804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick windowManager.showStrictModeViolation(false); 9706804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick } catch (RemoteException unused) { 9716804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick } 9726804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick } 973cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick return false; // remove this idle handler from the array 974cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 975cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick }); 9765b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 977438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 9785b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick // Note: It's possible (even quite likely) that the 9795b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick // thread-local policy mask has changed from the time the 9805b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick // violation fired and now (after the violating code ran) due 9815b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick // to people who push/pop temporary policy in regions of code, 9825b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick // hence the policy being passed around. 983cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick void handleViolation(final ViolationInfo info) { 984cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if (info == null || info.crashInfo == null || info.crashInfo.stackTrace == null) { 985cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick Log.wtf(TAG, "unexpected null stacktrace"); 9865b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick return; 9875b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 988438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 989cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if (LOG_V) Log.d(TAG, "handleViolation; policy=" + info.policy); 99046d42387464a651268648659e91d022566d4844cBrad Fitzpatrick 991cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if ((info.policy & PENALTY_GATHER) != 0) { 992cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick ArrayList<ViolationInfo> violations = gatheredViolations.get(); 993703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick if (violations == null) { 994cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick violations = new ArrayList<ViolationInfo>(1); 995703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick gatheredViolations.set(violations); 996703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick } else if (violations.size() >= 5) { 9975b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick // Too many. In a loop or something? Don't gather them all. 9985b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick return; 9995b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 1000cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick for (ViolationInfo previous : violations) { 1001cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if (info.crashInfo.stackTrace.equals(previous.crashInfo.stackTrace)) { 10025b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick // Duplicate. Don't log. 10035b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick return; 10045b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 10055b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 1006cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick violations.add(info); 1007727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick return; 1008727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick } 1009727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick 101046d42387464a651268648659e91d022566d4844cBrad Fitzpatrick // Not perfect, but fast and good enough for dup suppression. 1011f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick Integer crashFingerprint = info.hashCode(); 101246d42387464a651268648659e91d022566d4844cBrad Fitzpatrick long lastViolationTime = 0; 101346d42387464a651268648659e91d022566d4844cBrad Fitzpatrick if (mLastViolationTime.containsKey(crashFingerprint)) { 101446d42387464a651268648659e91d022566d4844cBrad Fitzpatrick lastViolationTime = mLastViolationTime.get(crashFingerprint); 101546d42387464a651268648659e91d022566d4844cBrad Fitzpatrick } 101646d42387464a651268648659e91d022566d4844cBrad Fitzpatrick long now = SystemClock.uptimeMillis(); 101746d42387464a651268648659e91d022566d4844cBrad Fitzpatrick mLastViolationTime.put(crashFingerprint, now); 101846d42387464a651268648659e91d022566d4844cBrad Fitzpatrick long timeSinceLastViolationMillis = lastViolationTime == 0 ? 101946d42387464a651268648659e91d022566d4844cBrad Fitzpatrick Long.MAX_VALUE : (now - lastViolationTime); 102046d42387464a651268648659e91d022566d4844cBrad Fitzpatrick 1021cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if ((info.policy & PENALTY_LOG) != 0 && 102246d42387464a651268648659e91d022566d4844cBrad Fitzpatrick timeSinceLastViolationMillis > MIN_LOG_INTERVAL_MS) { 1023cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if (info.durationMillis != -1) { 10245b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick Log.d(TAG, "StrictMode policy violation; ~duration=" + 1025cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick info.durationMillis + " ms: " + info.crashInfo.stackTrace); 1026438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } else { 1027cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick Log.d(TAG, "StrictMode policy violation: " + info.crashInfo.stackTrace); 1028438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 1029438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 1030438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 103171678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick // The violationMaskSubset, passed to ActivityManager, is a 103246d42387464a651268648659e91d022566d4844cBrad Fitzpatrick // subset of the original StrictMode policy bitmask, with 103346d42387464a651268648659e91d022566d4844cBrad Fitzpatrick // only the bit violated and penalty bits to be executed 103446d42387464a651268648659e91d022566d4844cBrad Fitzpatrick // by the ActivityManagerService remaining set. 1035cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick int violationMaskSubset = 0; 103646d42387464a651268648659e91d022566d4844cBrad Fitzpatrick 1037cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if ((info.policy & PENALTY_DIALOG) != 0 && 103846d42387464a651268648659e91d022566d4844cBrad Fitzpatrick timeSinceLastViolationMillis > MIN_DIALOG_INTERVAL_MS) { 1039cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick violationMaskSubset |= PENALTY_DIALOG; 104046d42387464a651268648659e91d022566d4844cBrad Fitzpatrick } 104146d42387464a651268648659e91d022566d4844cBrad Fitzpatrick 1042cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if ((info.policy & PENALTY_DROPBOX) != 0 && lastViolationTime == 0) { 1043cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick violationMaskSubset |= PENALTY_DROPBOX; 104446d42387464a651268648659e91d022566d4844cBrad Fitzpatrick } 104546d42387464a651268648659e91d022566d4844cBrad Fitzpatrick 1046cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if (violationMaskSubset != 0) { 1047cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick int violationBit = parseViolationFromMessage(info.crashInfo.exceptionMessage); 1048cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick violationMaskSubset |= violationBit; 104932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick final int savedPolicyMask = getThreadPolicyMask(); 105071678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick 105171678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick final boolean justDropBox = (info.policy & PENALTY_MASK) == PENALTY_DROPBOX; 105271678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick if (justDropBox) { 105371678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick // If all we're going to ask the activity manager 105471678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick // to do is dropbox it (the common case during 105571678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick // platform development), we can avoid doing this 105671678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick // call synchronously which Binder data suggests 105771678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick // isn't always super fast, despite the implementation 105871678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick // in the ActivityManager trying to be mostly async. 1059bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick dropboxViolationAsync(violationMaskSubset, info); 106071678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick return; 106171678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick } 106271678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick 106371678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick // Normal synchronous call to the ActivityManager. 1064438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick try { 1065727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // First, remove any policy before we call into the Activity Manager, 1066727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // otherwise we'll infinite recurse as we try to log policy violations 1067727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // to disk, thus violating policy, thus requiring logging, etc... 1068727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // We restore the current policy below, in the finally block. 106932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick setThreadPolicyMask(0); 1070727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick 1071438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick ActivityManagerNative.getDefault().handleApplicationStrictModeViolation( 1072438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick RuntimeInit.getApplicationObject(), 1073cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick violationMaskSubset, 1074cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick info); 1075438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } catch (RemoteException e) { 107646d42387464a651268648659e91d022566d4844cBrad Fitzpatrick Log.e(TAG, "RemoteException trying to handle StrictMode violation", e); 1077727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick } finally { 1078727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // Restore the policy. 107932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick setThreadPolicyMask(savedPolicyMask); 1080438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 1081438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 1082438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 1083cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if ((info.policy & PENALTY_DEATH) != 0) { 1084438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick System.err.println("StrictMode policy violation with POLICY_DEATH; shutting down."); 1085438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick Process.killProcess(Process.myPid()); 1086438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick System.exit(10); 1087438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 1088438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 1089438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 1090727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick 1091bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick /** 1092bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick * In the common case, as set by conditionallyEnableDebugLogging, 1093bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick * we're just dropboxing any violations but not showing a dialog, 1094bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick * not loggging, and not killing the process. In these cases we 1095bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick * don't need to do a synchronous call to the ActivityManager. 1096bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick * This is used by both per-thread and vm-wide violations when 1097bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick * applicable. 1098bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick */ 1099bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick private static void dropboxViolationAsync( 1100bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick final int violationMaskSubset, final ViolationInfo info) { 1101bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick int outstanding = sDropboxCallsInFlight.incrementAndGet(); 1102bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick if (outstanding > 20) { 1103bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick // What's going on? Let's not make make the situation 1104bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick // worse and just not log. 1105bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick sDropboxCallsInFlight.decrementAndGet(); 1106bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick return; 1107bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick } 1108bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick 1109bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick if (LOG_V) Log.d(TAG, "Dropboxing async; in-flight=" + outstanding); 1110bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick 1111bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick new Thread("callActivityManagerForStrictModeDropbox") { 1112bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick public void run() { 1113bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1114bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick try { 11151065685400335ef8c1220f34b4e896e7da603789Brad Fitzpatrick IActivityManager am = ActivityManagerNative.getDefault(); 11161065685400335ef8c1220f34b4e896e7da603789Brad Fitzpatrick if (am == null) { 11171065685400335ef8c1220f34b4e896e7da603789Brad Fitzpatrick Log.d(TAG, "No activity manager; failed to Dropbox violation."); 11181065685400335ef8c1220f34b4e896e7da603789Brad Fitzpatrick } else { 11191065685400335ef8c1220f34b4e896e7da603789Brad Fitzpatrick am.handleApplicationStrictModeViolation( 11201065685400335ef8c1220f34b4e896e7da603789Brad Fitzpatrick RuntimeInit.getApplicationObject(), 11211065685400335ef8c1220f34b4e896e7da603789Brad Fitzpatrick violationMaskSubset, 11221065685400335ef8c1220f34b4e896e7da603789Brad Fitzpatrick info); 11231065685400335ef8c1220f34b4e896e7da603789Brad Fitzpatrick } 1124bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick } catch (RemoteException e) { 1125bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick Log.e(TAG, "RemoteException handling StrictMode violation", e); 1126bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick } 1127bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick int outstanding = sDropboxCallsInFlight.decrementAndGet(); 1128bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick if (LOG_V) Log.d(TAG, "Dropbox complete; in-flight=" + outstanding); 1129bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick } 1130bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick }.start(); 1131bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick } 1132bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick 11334b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom private static class AndroidCloseGuardReporter implements CloseGuard.Reporter { 11344b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom public void report (String message, Throwable allocationSite) { 11354b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom onVmPolicyViolation(message, allocationSite); 11364b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom } 11374b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom } 11384b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom 1139727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick /** 11405b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * Called from Parcel.writeNoException() 11415b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick */ 11425b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick /* package */ static boolean hasGatheredViolations() { 1143703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick return gatheredViolations.get() != null; 1144703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick } 1145703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick 1146703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick /** 1147703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick * Called from Parcel.writeException(), so we drop this memory and 1148703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick * don't incorrectly attribute it to the wrong caller on the next 1149703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick * Binder call on this thread. 1150703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick */ 1151703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick /* package */ static void clearGatheredViolations() { 1152703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick gatheredViolations.set(null); 11535b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 11545b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick 11555b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick /** 115632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Sets the policy for what actions in the VM process (on any 115732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * thread) should be detected, as well as the penalty if such 115832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * actions occur. 115932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 116032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @param policy the policy to put into place 116132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 116232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static void setVmPolicy(final VmPolicy policy) { 116332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick sVmPolicyMask = policy.mask; 11644b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom setCloseGuardEnabled(vmClosableObjectLeaksEnabled()); 116532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 116632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 116732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 116832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Gets the current VM policy. 116932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 117032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static VmPolicy getVmPolicy() { 117132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return new VmPolicy(sVmPolicyMask); 117232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 117332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 117432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 117562a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick * Enable the recommended StrictMode defaults, with violations just being logged. 117662a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick * 117762a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick * <p>This catches disk and network access on the main thread, as 1178fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * well as leaked SQLite cursors and unclosed resources. This is 1179fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * simply a wrapper around {@link #setVmPolicy} and {@link 1180fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * #setThreadPolicy}. 118162a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick */ 118262a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick public static void enableDefaults() { 118362a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick StrictMode.setThreadPolicy(new StrictMode.ThreadPolicy.Builder() 118462a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick .detectAll() 118562a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick .penaltyLog() 118662a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick .build()); 118762a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick StrictMode.setVmPolicy(new StrictMode.VmPolicy.Builder() 118862a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick .detectLeakedSqlLiteObjects() 1189fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom .detectLeakedClosableObjects() 119062a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick .penaltyLog() 119162a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick .build()); 119262a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick } 119362a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick 119462a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick /** 119532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @hide 119632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 119732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static boolean vmSqliteObjectLeaksEnabled() { 119832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return (sVmPolicyMask & DETECT_VM_CURSOR_LEAKS) != 0; 119932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 120032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 120132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 120232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @hide 120332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 1204fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom public static boolean vmClosableObjectLeaksEnabled() { 1205fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom return (sVmPolicyMask & DETECT_VM_CLOSABLE_LEAKS) != 0; 1206fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom } 1207fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom 1208fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom /** 1209fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * @hide 1210fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom */ 121132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static void onSqliteObjectLeaked(String message, Throwable originStack) { 12124b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom onVmPolicyViolation(message, originStack); 12134b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom } 12144b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom 12154b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom /** 12164b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom * @hide 12174b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom */ 12184b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom public static void onVmPolicyViolation(String message, Throwable originStack) { 121932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick if ((sVmPolicyMask & PENALTY_LOG) != 0) { 122032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick Log.e(TAG, message, originStack); 122132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 122232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 1223bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick boolean penaltyDropbox = (sVmPolicyMask & PENALTY_DROPBOX) != 0; 1224bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick boolean penaltyDeath = (sVmPolicyMask & PENALTY_DEATH) != 0; 1225bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick 1226bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick int violationMaskSubset = PENALTY_DROPBOX | DETECT_VM_CURSOR_LEAKS; 1227bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick ViolationInfo info = new ViolationInfo(originStack, sVmPolicyMask); 1228bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick 1229bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick if (penaltyDropbox && !penaltyDeath) { 1230bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick // Common case for userdebug/eng builds. If no death and 1231bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick // just dropboxing, we can do the ActivityManager call 1232bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick // asynchronously. 1233bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick dropboxViolationAsync(violationMaskSubset, info); 1234bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick return; 1235bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick } 123632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 1237bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick if (penaltyDropbox) { 123832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // The violationMask, passed to ActivityManager, is a 123932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // subset of the original StrictMode policy bitmask, with 124032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // only the bit violated and penalty bits to be executed 124132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // by the ActivityManagerService remaining set. 124232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick final int savedPolicyMask = getThreadPolicyMask(); 124332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick try { 124432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // First, remove any policy before we call into the Activity Manager, 124532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // otherwise we'll infinite recurse as we try to log policy violations 124632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // to disk, thus violating policy, thus requiring logging, etc... 124732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // We restore the current policy below, in the finally block. 124832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick setThreadPolicyMask(0); 124932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 125032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick ActivityManagerNative.getDefault().handleApplicationStrictModeViolation( 125132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick RuntimeInit.getApplicationObject(), 125232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick violationMaskSubset, 125332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick info); 125432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } catch (RemoteException e) { 125532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick Log.e(TAG, "RemoteException trying to handle StrictMode violation", e); 125632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } finally { 125732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // Restore the policy. 125832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick setThreadPolicyMask(savedPolicyMask); 125932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 126032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 126132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 1262bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick if (penaltyDeath) { 126332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick System.err.println("StrictMode VmPolicy violation with POLICY_DEATH; shutting down."); 126432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick Process.killProcess(Process.myPid()); 126532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick System.exit(10); 126632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 126732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 126832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 126932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 12705b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * Called from Parcel.writeNoException() 12715b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick */ 12725b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick /* package */ static void writeGatheredViolationsToParcel(Parcel p) { 1273cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick ArrayList<ViolationInfo> violations = gatheredViolations.get(); 1274703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick if (violations == null) { 1275703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick p.writeInt(0); 1276703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick } else { 1277703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick p.writeInt(violations.size()); 1278703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick for (int i = 0; i < violations.size(); ++i) { 1279703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick violations.get(i).writeToParcel(p, 0 /* unused flags? */); 1280703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick } 1281703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick if (LOG_V) Log.d(TAG, "wrote violations to response parcel; num=" + violations.size()); 1282703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick violations.clear(); // somewhat redundant, as we're about to null the threadlocal 12835b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 1284703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick gatheredViolations.set(null); 12855b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 12865b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick 12875b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick private static class LogStackTrace extends Exception {} 12885b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick 12895b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick /** 12905b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * Called from Parcel.readException() when the exception is EX_STRICT_MODE_VIOLATIONS, 12915b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * we here read back all the encoded violations. 12925b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick */ 12935b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick /* package */ static void readAndHandleBinderCallViolations(Parcel p) { 12945b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick // Our own stack trace to append 12955b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick StringWriter sw = new StringWriter(); 1296cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick new LogStackTrace().printStackTrace(new PrintWriter(sw)); 12975b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick String ourStack = sw.toString(); 12985b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick 129932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick int policyMask = getThreadPolicyMask(); 1300cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick boolean currentlyGathering = (policyMask & PENALTY_GATHER) != 0; 13015b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick 13025b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick int numViolations = p.readInt(); 13035b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick for (int i = 0; i < numViolations; ++i) { 13045b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick if (LOG_V) Log.d(TAG, "strict mode violation stacks read from binder call. i=" + i); 1305cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick ViolationInfo info = new ViolationInfo(p, !currentlyGathering); 1306cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick info.crashInfo.stackTrace += "# via Binder call with stack:\n" + ourStack; 13075b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick BlockGuard.Policy policy = BlockGuard.getThreadPolicy(); 13085b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick if (policy instanceof AndroidBlockGuardPolicy) { 1309cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick ((AndroidBlockGuardPolicy) policy).handleViolationWithTimingAttempt(info); 13105b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 13115b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 13125b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 13135b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick 13145b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick /** 1315727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick * Called from android_util_Binder.cpp's 1316727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick * android_os_Parcel_enforceInterface when an incoming Binder call 1317727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick * requires changing the StrictMode policy mask. The role of this 1318727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick * function is to ask Binder for its current (native) thread-local 1319727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick * policy value and synchronize it to libcore's (Java) 1320727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick * thread-local policy value. 1321727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick */ 1322727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick private static void onBinderStrictModePolicyChange(int newPolicy) { 1323727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick setBlockGuardPolicy(newPolicy); 1324727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick } 1325cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 1326cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick /** 1327e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * A tracked, critical time span. (e.g. during an animation.) 1328e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * 1329e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * The object itself is a linked list node, to avoid any allocations 1330e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * during rapid span entries and exits. 1331e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * 1332e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * @hide 1333e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick */ 1334e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick public static class Span { 1335e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick private String mName; 1336e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick private long mCreateMillis; 1337e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick private Span mNext; 1338e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick private Span mPrev; // not used when in freeList, only active 1339e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick private final ThreadSpanState mContainerState; 1340e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick 1341e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick Span(ThreadSpanState threadState) { 1342e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick mContainerState = threadState; 1343e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1344e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick 13451181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick // Empty constructor for the NO_OP_SPAN 13461181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick protected Span() { 13471181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick mContainerState = null; 13481181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick } 13491181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick 1350e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick /** 1351e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * To be called when the critical span is complete (i.e. the 1352e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * animation is done animating). This can be called on any 1353e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * thread (even a different one from where the animation was 1354e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * taking place), but that's only a defensive implementation 1355e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * measure. It really makes no sense for you to call this on 1356e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * thread other than that where you created it. 1357e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * 1358e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * @hide 1359e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick */ 1360e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick public void finish() { 1361e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick ThreadSpanState state = mContainerState; 1362e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick synchronized (state) { 1363e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick if (mName == null) { 1364e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick // Duplicate finish call. Ignore. 1365e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick return; 1366e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1367e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick 1368e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick // Remove ourselves from the active list. 1369e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick if (mPrev != null) { 1370e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick mPrev.mNext = mNext; 1371e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1372e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick if (mNext != null) { 1373e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick mNext.mPrev = mPrev; 1374e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1375e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick if (state.mActiveHead == this) { 1376e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick state.mActiveHead = mNext; 1377e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1378e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick 13791cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick state.mActiveSize--; 13801cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick 13811cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick if (LOG_V) Log.d(TAG, "Span finished=" + mName + "; size=" + state.mActiveSize); 13821cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick 1383e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick this.mCreateMillis = -1; 1384e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick this.mName = null; 1385e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick this.mPrev = null; 1386e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick this.mNext = null; 1387e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick 1388e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick // Add ourselves to the freeList, if it's not already 1389e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick // too big. 1390e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick if (state.mFreeListSize < 5) { 1391e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick this.mNext = state.mFreeListHead; 1392e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick state.mFreeListHead = this; 1393e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick state.mFreeListSize++; 1394e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1395e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1396e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1397e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1398e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick 13991181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick // The no-op span that's used in user builds. 14001181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick private static final Span NO_OP_SPAN = new Span() { 14011181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick public void finish() { 14021181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick // Do nothing. 14031181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick } 14041181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick }; 14051181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick 1406e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick /** 1407e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * Linked lists of active spans and a freelist. 1408e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * 1409e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * Locking notes: there's one of these structures per thread and 1410e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * all members of this structure (as well as the Span nodes under 1411e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * it) are guarded by the ThreadSpanState object instance. While 1412e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * in theory there'd be no locking required because it's all local 1413e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * per-thread, the finish() method above is defensive against 1414e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * people calling it on a different thread from where they created 1415e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * the Span, hence the locking. 1416e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick */ 1417e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick private static class ThreadSpanState { 1418e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick public Span mActiveHead; // doubly-linked list. 1419e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick public int mActiveSize; 1420e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick public Span mFreeListHead; // singly-linked list. only changes at head. 1421e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick public int mFreeListSize; 1422e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1423e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick 1424e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick private static final ThreadLocal<ThreadSpanState> sThisThreadSpanState = 1425e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick new ThreadLocal<ThreadSpanState>() { 1426e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick @Override protected ThreadSpanState initialValue() { 1427e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick return new ThreadSpanState(); 1428e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1429e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick }; 1430e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick 1431cdcb73ef781b8f7d37d9f758409a0c7671517b37Brad Fitzpatrick private static Singleton<IWindowManager> sWindowManager = new Singleton<IWindowManager>() { 1432cdcb73ef781b8f7d37d9f758409a0c7671517b37Brad Fitzpatrick protected IWindowManager create() { 1433cdcb73ef781b8f7d37d9f758409a0c7671517b37Brad Fitzpatrick return IWindowManager.Stub.asInterface(ServiceManager.getService("window")); 1434cdcb73ef781b8f7d37d9f758409a0c7671517b37Brad Fitzpatrick } 1435cdcb73ef781b8f7d37d9f758409a0c7671517b37Brad Fitzpatrick }; 1436cdcb73ef781b8f7d37d9f758409a0c7671517b37Brad Fitzpatrick 1437e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick /** 1438e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * Enter a named critical span (e.g. an animation) 1439e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * 1440e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * <p>The name is an arbitary label (or tag) that will be applied 1441e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * to any strictmode violation that happens while this span is 1442e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * active. You must call finish() on the span when done. 1443e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * 1444e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * <p>This will never return null, but on devices without debugging 1445e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * enabled, this may return a dummy object on which the finish() 1446e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * method is a no-op. 1447e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * 1448e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * <p>TODO: add CloseGuard to this, verifying callers call finish. 1449e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * 1450e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * @hide 1451e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick */ 1452e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick public static Span enterCriticalSpan(String name) { 14531181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick if (IS_USER_BUILD) { 14541181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick return NO_OP_SPAN; 14551181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick } 1456e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick if (name == null || name.isEmpty()) { 1457e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick throw new IllegalArgumentException("name must be non-null and non-empty"); 1458e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1459e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick ThreadSpanState state = sThisThreadSpanState.get(); 1460e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick Span span = null; 1461e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick synchronized (state) { 1462e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick if (state.mFreeListHead != null) { 1463e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick span = state.mFreeListHead; 1464e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick state.mFreeListHead = span.mNext; 1465e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick state.mFreeListSize--; 1466e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } else { 1467e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick // Shouldn't have to do this often. 1468e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick span = new Span(state); 1469e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1470e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick span.mName = name; 1471e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick span.mCreateMillis = SystemClock.uptimeMillis(); 1472e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick span.mNext = state.mActiveHead; 1473e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick span.mPrev = null; 1474e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick state.mActiveHead = span; 1475e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick state.mActiveSize++; 1476e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick if (span.mNext != null) { 1477e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick span.mNext.mPrev = span; 1478e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 14791cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick if (LOG_V) Log.d(TAG, "Span enter=" + name + "; size=" + state.mActiveSize); 1480e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1481e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick return span; 1482e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1483e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick 1484e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick 1485e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick /** 1486cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * Parcelable that gets sent in Binder call headers back to callers 1487cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * to report violations that happened during a cross-process call. 1488cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * 1489cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * @hide 1490cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick */ 1491cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick public static class ViolationInfo { 1492cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick /** 1493cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * Stack and other stuff info. 1494cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick */ 1495cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick public final ApplicationErrorReport.CrashInfo crashInfo; 1496cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 1497cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick /** 1498cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * The strict mode policy mask at the time of violation. 1499cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick */ 1500cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick public final int policy; 1501cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 1502cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick /** 1503cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * The wall time duration of the violation, when known. -1 when 1504cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * not known. 1505cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick */ 1506cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick public int durationMillis = -1; 1507cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 1508cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick /** 1509599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick * The number of animations currently running. 1510599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick */ 1511599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick public int numAnimationsRunning = 0; 1512599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick 1513599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick /** 1514e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * List of tags from active Span instances during this 1515e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * violation, or null for none. 1516e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick */ 1517e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick public String[] tags; 1518e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick 1519e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick /** 1520cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * Which violation number this was (1-based) since the last Looper loop, 1521cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * from the perspective of the root caller (if it crossed any processes 1522cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * via Binder calls). The value is 0 if the root caller wasn't on a Looper 1523cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * thread. 1524cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick */ 1525cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick public int violationNumThisLoop; 1526cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 1527cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick /** 1528cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * The time (in terms of SystemClock.uptimeMillis()) that the 1529cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * violation occurred. 1530cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick */ 1531cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick public long violationUptimeMillis; 1532cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 1533cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick /** 1534bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick * The action of the Intent being broadcast to somebody's onReceive 1535bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick * on this thread right now, or null. 1536bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick */ 1537bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick public String broadcastIntentAction; 1538bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick 1539bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick /** 1540cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * Create an uninitialized instance of ViolationInfo 1541cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick */ 1542cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick public ViolationInfo() { 1543cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick crashInfo = null; 1544cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick policy = 0; 1545cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 1546cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 1547cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick /** 1548cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * Create an instance of ViolationInfo initialized from an exception. 1549cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick */ 1550cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick public ViolationInfo(Throwable tr, int policy) { 1551cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick crashInfo = new ApplicationErrorReport.CrashInfo(tr); 1552cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick violationUptimeMillis = SystemClock.uptimeMillis(); 1553cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick this.policy = policy; 1554599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick this.numAnimationsRunning = ValueAnimator.getCurrentAnimationsCount(); 1555bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick Intent broadcastIntent = ActivityThread.getIntentBeingBroadcast(); 1556bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick if (broadcastIntent != null) { 1557bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick broadcastIntentAction = broadcastIntent.getAction(); 1558bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick } 1559e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick ThreadSpanState state = sThisThreadSpanState.get(); 1560e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick synchronized (state) { 1561e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick int spanActiveCount = state.mActiveSize; 1562e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick if (spanActiveCount > MAX_SPAN_TAGS) { 1563e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick spanActiveCount = MAX_SPAN_TAGS; 1564e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1565e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick if (spanActiveCount != 0) { 1566e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick this.tags = new String[spanActiveCount]; 1567e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick Span iter = state.mActiveHead; 1568e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick int index = 0; 1569e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick while (iter != null && index < spanActiveCount) { 1570e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick this.tags[index] = iter.mName; 1571e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick index++; 1572e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick iter = iter.mNext; 1573e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1574e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1575e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1576cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 1577cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 1578f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick @Override 1579f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick public int hashCode() { 1580f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick int result = 17; 1581f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick result = 37 * result + crashInfo.stackTrace.hashCode(); 1582f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick if (numAnimationsRunning != 0) { 1583f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick result *= 37; 1584f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick } 1585f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick if (broadcastIntentAction != null) { 1586f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick result = 37 * result + broadcastIntentAction.hashCode(); 1587f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick } 1588f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick if (tags != null) { 1589f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick for (String tag : tags) { 1590f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick result = 37 * result + tag.hashCode(); 1591f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick } 1592f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick } 1593f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick return result; 1594f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick } 1595f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick 1596cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick /** 1597cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * Create an instance of ViolationInfo initialized from a Parcel. 1598cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick */ 1599cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick public ViolationInfo(Parcel in) { 1600cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick this(in, false); 1601cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 1602cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 1603cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick /** 1604cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * Create an instance of ViolationInfo initialized from a Parcel. 1605cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * 1606cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * @param unsetGatheringBit if true, the caller is the root caller 1607cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * and the gathering penalty should be removed. 1608cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick */ 1609cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick public ViolationInfo(Parcel in, boolean unsetGatheringBit) { 1610cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick crashInfo = new ApplicationErrorReport.CrashInfo(in); 1611cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick int rawPolicy = in.readInt(); 1612cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if (unsetGatheringBit) { 1613cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick policy = rawPolicy & ~PENALTY_GATHER; 1614cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } else { 1615cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick policy = rawPolicy; 1616cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 1617cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick durationMillis = in.readInt(); 1618cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick violationNumThisLoop = in.readInt(); 1619599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick numAnimationsRunning = in.readInt(); 1620cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick violationUptimeMillis = in.readLong(); 1621bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick broadcastIntentAction = in.readString(); 1622e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick tags = in.readStringArray(); 1623cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 1624cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 1625cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick /** 1626cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * Save a ViolationInfo instance to a parcel. 1627cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick */ 1628cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick public void writeToParcel(Parcel dest, int flags) { 1629cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick crashInfo.writeToParcel(dest, flags); 1630cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick dest.writeInt(policy); 1631cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick dest.writeInt(durationMillis); 1632cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick dest.writeInt(violationNumThisLoop); 1633599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick dest.writeInt(numAnimationsRunning); 1634cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick dest.writeLong(violationUptimeMillis); 1635bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick dest.writeString(broadcastIntentAction); 1636e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick dest.writeStringArray(tags); 1637cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 1638cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 1639cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 1640cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick /** 1641cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * Dump a ViolationInfo instance to a Printer. 1642cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick */ 1643cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick public void dump(Printer pw, String prefix) { 1644cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick crashInfo.dump(pw, prefix); 1645cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick pw.println(prefix + "policy: " + policy); 1646cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if (durationMillis != -1) { 1647cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick pw.println(prefix + "durationMillis: " + durationMillis); 1648cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 1649cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if (violationNumThisLoop != 0) { 1650cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick pw.println(prefix + "violationNumThisLoop: " + violationNumThisLoop); 1651cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 1652599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick if (numAnimationsRunning != 0) { 1653599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick pw.println(prefix + "numAnimationsRunning: " + numAnimationsRunning); 1654599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick } 1655cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick pw.println(prefix + "violationUptimeMillis: " + violationUptimeMillis); 1656bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick if (broadcastIntentAction != null) { 1657bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick pw.println(prefix + "broadcastIntentAction: " + broadcastIntentAction); 1658bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick } 1659e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick if (tags != null) { 1660e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick int index = 0; 1661e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick for (String tag : tags) { 1662e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick pw.println(prefix + "tag[" + (index++) + "]: " + tag); 1663e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1664e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1665cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 1666cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 1667cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 1668438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick} 1669