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; 33bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrickimport dalvik.system.VMDebug; 34438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 355b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrickimport java.io.PrintWriter; 365b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrickimport java.io.StringWriter; 375b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrickimport java.util.ArrayList; 3846d42387464a651268648659e91d022566d4844cBrad Fitzpatrickimport java.util.HashMap; 395f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrickimport java.util.Map; 40bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrickimport java.util.concurrent.atomic.AtomicInteger; 4146d42387464a651268648659e91d022566d4844cBrad Fitzpatrick 42438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick/** 4332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>StrictMode is a developer tool which detects things you might be 4432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * doing by accident and brings them to your attention so you can fix 4532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * them. 4615ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * 4715ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * <p>StrictMode is most commonly used to catch accidental disk or 4815ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * network access on the application's main thread, where UI 4915ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * operations are received and animations take place. Keeping disk 5015ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * and network operations off the main thread makes for much smoother, 519fc2fc5757a3d28d098bd2b0ad0f869a3cf3fa14Brad Fitzpatrick * more responsive applications. By keeping your application's main thread 529fc2fc5757a3d28d098bd2b0ad0f869a3cf3fa14Brad Fitzpatrick * responsive, you also prevent 539fc2fc5757a3d28d098bd2b0ad0f869a3cf3fa14Brad Fitzpatrick * <a href="{@docRoot}guide/practices/design/responsiveness.html">ANR dialogs</a> 549fc2fc5757a3d28d098bd2b0ad0f869a3cf3fa14Brad Fitzpatrick * from being shown to users. 5515ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * 5615ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * <p class="note">Note that even though an Android device's disk is 5715ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * often on flash memory, many devices run a filesystem on top of that 5815ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * memory with very limited concurrency. It's often the case that 5915ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * almost all disk accesses are fast, but may in individual cases be 6015ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * dramatically slower when certain I/O is happening in the background 6115ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * from other processes. If possible, it's best to assume that such 6215ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * things are not fast.</p> 6315ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * 6415ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * <p>Example code to enable from early in your 6515ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * {@link android.app.Application}, {@link android.app.Activity}, or 6615ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * other application component's 6715ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * {@link android.app.Application#onCreate} method: 6815ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * 6915ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * <pre> 7015ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * public void onCreate() { 7115ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * if (DEVELOPER_MODE) { 7232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * StrictMode.setThreadPolicy(new {@link ThreadPolicy.Builder StrictMode.ThreadPolicy.Builder}() 7332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .detectDiskReads() 7432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .detectDiskWrites() 7532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .detectNetwork() // or .detectAll() for all detectable problems 7632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .penaltyLog() 7732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .build()); 7832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * StrictMode.setVmPolicy(new {@link VmPolicy.Builder StrictMode.VmPolicy.Builder}() 7962a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick * .detectLeakedSqlLiteObjects() 80fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * .detectLeakedClosableObjects() 8132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .penaltyLog() 8232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .penaltyDeath() 8332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .build()); 8415ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * } 8515ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * super.onCreate(); 8615ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * } 8715ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * </pre> 8815ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * 8932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>You can decide what should happen when a violation is detected. 9032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * For example, using {@link ThreadPolicy.Builder#penaltyLog} you can 9132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * watch the output of <code>adb logcat</code> while you use your 9232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * application to see the violations as they happen. 9315ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * 9415ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * <p>If you find violations that you feel are problematic, there are 9515ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * a variety of tools to help solve them: threads, {@link android.os.Handler}, 9615ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * {@link android.os.AsyncTask}, {@link android.app.IntentService}, etc. 9715ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * But don't feel compelled to fix everything that StrictMode finds. In particular, 9832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * many cases of disk access are often necessary during the normal activity lifecycle. Use 9932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * StrictMode to find things you did by accident. Network requests on the UI thread 10015ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * are almost always a problem, though. 10115ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * 10215ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * <p class="note">StrictMode is not a security mechanism and is not 10315ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * guaranteed to find all disk or network accesses. While it does 10415ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * propagate its state across process boundaries when doing 10515ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * {@link android.os.Binder} calls, it's still ultimately a best 10615ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * effort mechanism. Notably, disk or network access from JNI calls 10715ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * won't necessarily trigger it. Future versions of Android may catch 10815ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * more (or fewer) operations, so you should never leave StrictMode 1094d7bc65538c7cd9fbb1fbbcf22d1da47fcee1219Dirk Dougherty * enabled in applications distributed on Google Play. 110438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick */ 111438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrickpublic final class StrictMode { 112438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick private static final String TAG = "StrictMode"; 11382829ef3b7c72bee36d8c17b36ac565f1856a310Brad Fitzpatrick private static final boolean LOG_V = Log.isLoggable(TAG, Log.VERBOSE); 114438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 1151181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick private static final boolean IS_USER_BUILD = "user".equals(Build.TYPE); 1166804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick private static final boolean IS_ENG_BUILD = "eng".equals(Build.TYPE); 1171181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick 118c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick /** 119bc6f0ce8be64a74b695fb21dab5f4805b68dce16Christopher Tate * Boolean system property to disable strict mode checks outright. 120bc6f0ce8be64a74b695fb21dab5f4805b68dce16Christopher Tate * Set this to 'true' to force disable; 'false' has no effect on other 121bc6f0ce8be64a74b695fb21dab5f4805b68dce16Christopher Tate * enable/disable policy. 122bc6f0ce8be64a74b695fb21dab5f4805b68dce16Christopher Tate * @hide 123bc6f0ce8be64a74b695fb21dab5f4805b68dce16Christopher Tate */ 124bc6f0ce8be64a74b695fb21dab5f4805b68dce16Christopher Tate public static final String DISABLE_PROPERTY = "persist.sys.strictmode.disable"; 125bc6f0ce8be64a74b695fb21dab5f4805b68dce16Christopher Tate 126bc6f0ce8be64a74b695fb21dab5f4805b68dce16Christopher Tate /** 127c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick * The boolean system property to control screen flashes on violations. 128c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick * 129c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick * @hide 130c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick */ 131c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick public static final String VISUAL_PROPERTY = "persist.sys.strictmode.visual"; 132c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick 13346d42387464a651268648659e91d022566d4844cBrad Fitzpatrick // Only log a duplicate stack trace to the logs every second. 13446d42387464a651268648659e91d022566d4844cBrad Fitzpatrick private static final long MIN_LOG_INTERVAL_MS = 1000; 13546d42387464a651268648659e91d022566d4844cBrad Fitzpatrick 13646d42387464a651268648659e91d022566d4844cBrad Fitzpatrick // Only show an annoying dialog at most every 30 seconds 13746d42387464a651268648659e91d022566d4844cBrad Fitzpatrick private static final long MIN_DIALOG_INTERVAL_MS = 30000; 13846d42387464a651268648659e91d022566d4844cBrad Fitzpatrick 139e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick // How many Span tags (e.g. animations) to report. 140e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick private static final int MAX_SPAN_TAGS = 20; 141e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick 142191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick // How many offending stacks to keep track of (and time) per loop 143191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick // of the Looper. 144191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick private static final int MAX_OFFENSES_PER_LOOP = 10; 145191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick 14632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // Thread-policy: 147438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 14815ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick /** 14932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @hide 15015ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick */ 15132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static final int DETECT_DISK_WRITE = 0x01; // for ThreadPolicy 15215ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick 15315ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick /** 15432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @hide 15515ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick */ 15632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static final int DETECT_DISK_READ = 0x02; // for ThreadPolicy 15715ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick 15815ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick /** 15932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @hide 16015ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick */ 16132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static final int DETECT_NETWORK = 0x04; // for ThreadPolicy 162438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 163e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick /** 164e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick * For StrictMode.noteSlowCall() 165e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick * 166e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick * @hide 167e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick */ 168e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick public static final int DETECT_CUSTOM = 0x08; // for ThreadPolicy 169e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick 170e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick private static final int ALL_THREAD_DETECT_BITS = 171e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick DETECT_DISK_WRITE | DETECT_DISK_READ | DETECT_NETWORK | DETECT_CUSTOM; 172e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick 17332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // Process-policy: 174438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 175438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick /** 17632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Note, a "VM_" bit, not thread. 17732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @hide 17832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 179758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick public static final int DETECT_VM_CURSOR_LEAKS = 0x200; // for VmPolicy 18032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 18132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 182fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * Note, a "VM_" bit, not thread. 183fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * @hide 184fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom */ 185758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick public static final int DETECT_VM_CLOSABLE_LEAKS = 0x400; // for VmPolicy 186758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick 187758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick /** 188758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick * Note, a "VM_" bit, not thread. 189758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick * @hide 190758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick */ 191758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick public static final int DETECT_VM_ACTIVITY_LEAKS = 0x800; // for VmPolicy 192fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom 193fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom /** 19432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @hide 195438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick */ 196bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick private static final int DETECT_VM_INSTANCE_LEAKS = 0x1000; // for VmPolicy 197bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick 198bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick private static final int ALL_VM_DETECT_BITS = 199bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick DETECT_VM_CURSOR_LEAKS | DETECT_VM_CLOSABLE_LEAKS | 200bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick DETECT_VM_ACTIVITY_LEAKS | DETECT_VM_INSTANCE_LEAKS; 201bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick 202bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick /** 203bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick * @hide 204bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick */ 205438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick public static final int PENALTY_LOG = 0x10; // normal android.util.Log 206438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 20732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // Used for both process and thread policy: 20832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 209438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick /** 21032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @hide 211438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick */ 212438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick public static final int PENALTY_DIALOG = 0x20; 213438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 214438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick /** 215b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * Death on any detected violation. 216b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * 21732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @hide 218438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick */ 219438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick public static final int PENALTY_DEATH = 0x40; 220438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 221438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick /** 222b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * Death just for detected network usage. 223b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * 224b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * @hide 225b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick */ 226b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick public static final int PENALTY_DEATH_ON_NETWORK = 0x200; 227b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick 228b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick /** 2296804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick * Flash the screen during violations. 2306804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick * 2316804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick * @hide 2326804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick */ 2336804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick public static final int PENALTY_FLASH = 0x800; 2346804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick 2356804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick /** 23632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @hide 237438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick */ 238438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick public static final int PENALTY_DROPBOX = 0x80; 239438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 240727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick /** 241727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick * Non-public penalty mode which overrides all the other penalty 242727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick * bits and signals that we're in a Binder call and we should 243727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick * ignore the other penalty bits and instead serialize back all 244727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick * our offending stack traces to the caller to ultimately handle 245727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick * in the originating process. 246727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick * 247703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick * This must be kept in sync with the constant in libs/binder/Parcel.cpp 248703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick * 249727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick * @hide 250727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick */ 251727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick public static final int PENALTY_GATHER = 0x100; 252727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick 25332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 254c0bb0bb5e3425b77b6e7820ebe25fe72bdd07782Brad Fitzpatrick * Mask of all the penalty bits valid for thread policies. 25571678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick */ 256c0bb0bb5e3425b77b6e7820ebe25fe72bdd07782Brad Fitzpatrick private static final int THREAD_PENALTY_MASK = 257b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick PENALTY_LOG | PENALTY_DIALOG | PENALTY_DEATH | PENALTY_DROPBOX | PENALTY_GATHER | 2586804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick PENALTY_DEATH_ON_NETWORK | PENALTY_FLASH; 25971678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick 260758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick 261c0bb0bb5e3425b77b6e7820ebe25fe72bdd07782Brad Fitzpatrick /** 262c0bb0bb5e3425b77b6e7820ebe25fe72bdd07782Brad Fitzpatrick * Mask of all the penalty bits valid for VM policies. 263c0bb0bb5e3425b77b6e7820ebe25fe72bdd07782Brad Fitzpatrick */ 264c0bb0bb5e3425b77b6e7820ebe25fe72bdd07782Brad Fitzpatrick private static final int VM_PENALTY_MASK = 265c0bb0bb5e3425b77b6e7820ebe25fe72bdd07782Brad Fitzpatrick PENALTY_LOG | PENALTY_DEATH | PENALTY_DROPBOX; 266c0bb0bb5e3425b77b6e7820ebe25fe72bdd07782Brad Fitzpatrick 267c0bb0bb5e3425b77b6e7820ebe25fe72bdd07782Brad Fitzpatrick 268758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick // TODO: wrap in some ImmutableHashMap thing. 269758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick // Note: must be before static initialization of sVmPolicy. 270758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick private static final HashMap<Class, Integer> EMPTY_CLASS_LIMIT_MAP = new HashMap<Class, Integer>(); 271758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick 27271678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick /** 27332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * The current VmPolicy in effect. 274758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick * 275758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick * TODO: these are redundant (mask is in VmPolicy). Should remove sVmPolicyMask. 27632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 27732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick private static volatile int sVmPolicyMask = 0; 278758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick private static volatile VmPolicy sVmPolicy = VmPolicy.LAX; 27932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 280bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick /** 281bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick * The number of threads trying to do an async dropbox write. 282bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick * Just to limit ourselves out of paranoia. 283bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick */ 284bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick private static final AtomicInteger sDropboxCallsInFlight = new AtomicInteger(0); 285bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick 28632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick private StrictMode() {} 28732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 28832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 28932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * {@link StrictMode} policy applied to a certain thread. 29032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 29132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>The policy is enabled by {@link #setThreadPolicy}. The current policy 29232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * can be retrieved with {@link #getThreadPolicy}. 29332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 29432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>Note that multiple penalties may be provided and they're run 29532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * in order from least to most severe (logging before process 29632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * death, for example). There's currently no mechanism to choose 29732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * different penalties for different detected actions. 29832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 29932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static final class ThreadPolicy { 30032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 30132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * The default, lax policy which doesn't catch anything. 30232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 30332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static final ThreadPolicy LAX = new ThreadPolicy(0); 30432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 30532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick final int mask; 30632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 30732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick private ThreadPolicy(int mask) { 30832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick this.mask = mask; 30932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 31032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 31132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick @Override 31232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public String toString() { 31332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return "[StrictMode.ThreadPolicy; mask=" + mask + "]"; 31432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 31532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 31632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 317320274c5f17057a3a823fed50b7027cbd46fc025Brad Fitzpatrick * Creates {@link ThreadPolicy} instances. Methods whose names start 31832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * with {@code detect} specify what problems we should look 31932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * for. Methods whose names start with {@code penalty} specify what 32032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * we should do when we detect a problem. 32132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 32232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>You can call as many {@code detect} and {@code penalty} 32332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * methods as you like. Currently order is insignificant: all 32432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * penalties apply to all detected problems. 32532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 32632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>For example, detect everything and log anything that's found: 32732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <pre> 328320274c5f17057a3a823fed50b7027cbd46fc025Brad Fitzpatrick * StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder() 32932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .detectAll() 33032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .penaltyLog() 33132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .build(); 332320274c5f17057a3a823fed50b7027cbd46fc025Brad Fitzpatrick * StrictMode.setThreadPolicy(policy); 33332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * </pre> 33432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 33532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static final class Builder { 33632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick private int mMask = 0; 33732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 33832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 33932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Create a Builder that detects nothing and has no 34032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * violations. (but note that {@link #build} will default 34132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * to enabling {@link #penaltyLog} if no other penalties 34232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * are specified) 34332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 34432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder() { 34532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick mMask = 0; 34632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 34732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 34832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 34932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Initialize a Builder from an existing ThreadPolicy. 35032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 35132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder(ThreadPolicy policy) { 35232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick mMask = policy.mask; 35332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 35432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 35532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 35632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Detect everything that's potentially suspect. 35732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 35832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>As of the Gingerbread release this includes network and 35932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * disk operations but will likely expand in future releases. 36032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 36132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder detectAll() { 362e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick return enable(ALL_THREAD_DETECT_BITS); 36332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 36432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 36532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 36632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Disable the detection of everything. 36732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 36832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder permitAll() { 369e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick return disable(ALL_THREAD_DETECT_BITS); 37032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 37132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 37232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 37332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Enable detection of network operations. 37432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 37532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder detectNetwork() { 37632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return enable(DETECT_NETWORK); 37732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 37832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 37932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 38032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Disable detection of network operations. 38132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 38232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder permitNetwork() { 38332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return disable(DETECT_NETWORK); 38432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 38532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 38632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 38732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Enable detection of disk reads. 38832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 38932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder detectDiskReads() { 39032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return enable(DETECT_DISK_READ); 39132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 39232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 39332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 39432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Disable detection of disk reads. 39532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 39632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder permitDiskReads() { 39732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return disable(DETECT_DISK_READ); 39832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 39932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 40032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 401e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick * Enable detection of disk reads. 402e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick */ 403e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick public Builder detectCustomSlowCalls() { 404e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick return enable(DETECT_CUSTOM); 405e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick } 406e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick 407e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick /** 408e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick * Enable detection of disk reads. 409e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick */ 410e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick public Builder permitCustomSlowCalls() { 411e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick return enable(DETECT_CUSTOM); 412e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick } 413e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick 414e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick /** 41532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Enable detection of disk writes. 41632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 41732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder detectDiskWrites() { 41832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return enable(DETECT_DISK_WRITE); 41932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 42032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 42132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 42232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Disable detection of disk writes. 42332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 42432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder permitDiskWrites() { 42532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return disable(DETECT_DISK_WRITE); 42632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 42732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 42832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 42932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Show an annoying dialog to the developer on detected 43032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * violations, rate-limited to be only a little annoying. 43132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 43232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder penaltyDialog() { 43332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return enable(PENALTY_DIALOG); 43432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 43532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 43632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 43732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Crash the whole process on violation. This penalty runs at 43832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * the end of all enabled penalties so you'll still get 43932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * see logging or other violations before the process dies. 440b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * 441b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * <p>Unlike {@link #penaltyDeathOnNetwork}, this applies 442b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * to disk reads, disk writes, and network usage if their 443b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * corresponding detect flags are set. 44432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 44532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder penaltyDeath() { 44632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return enable(PENALTY_DEATH); 44732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 44832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 44932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 450b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * Crash the whole process on any network usage. Unlike 451b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * {@link #penaltyDeath}, this penalty runs 452b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * <em>before</em> anything else. You must still have 453b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * called {@link #detectNetwork} to enable this. 454b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * 455b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * <p>In the Honeycomb or later SDKs, this is on by default. 456b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick */ 457b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick public Builder penaltyDeathOnNetwork() { 458b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick return enable(PENALTY_DEATH_ON_NETWORK); 459b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick } 460b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick 461b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick /** 4626804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick * Flash the screen during a violation. 4636804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick */ 4646804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick public Builder penaltyFlashScreen() { 4656804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick return enable(PENALTY_FLASH); 4666804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick } 4676804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick 4686804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick /** 46932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Log detected violations to the system log. 47032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 47132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder penaltyLog() { 47232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return enable(PENALTY_LOG); 47332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 47432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 47532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 47632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Enable detected violations log a stacktrace and timing data 47732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * to the {@link android.os.DropBoxManager DropBox} on policy 47832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * violation. Intended mostly for platform integrators doing 47932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * beta user field data collection. 48032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 48132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder penaltyDropBox() { 48232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return enable(PENALTY_DROPBOX); 48332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 48432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 48532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick private Builder enable(int bit) { 48632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick mMask |= bit; 48732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return this; 48832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 48932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 49032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick private Builder disable(int bit) { 49132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick mMask &= ~bit; 49232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return this; 49332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 49432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 49532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 49632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Construct the ThreadPolicy instance. 49732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 49832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>Note: if no penalties are enabled before calling 49932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <code>build</code>, {@link #penaltyLog} is implicitly 50032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * set. 50132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 50232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public ThreadPolicy build() { 50332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // If there are detection bits set but no violation bits 50432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // set, enable simple logging. 50532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick if (mMask != 0 && 50632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick (mMask & (PENALTY_DEATH | PENALTY_LOG | 50732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick PENALTY_DROPBOX | PENALTY_DIALOG)) == 0) { 50832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick penaltyLog(); 50932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 51032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return new ThreadPolicy(mMask); 51132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 51232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 51332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 51432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 51532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 51632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * {@link StrictMode} policy applied to all threads in the virtual machine's process. 51732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 51832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>The policy is enabled by {@link #setVmPolicy}. 51932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 52032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static final class VmPolicy { 52132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 52232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * The default, lax policy which doesn't catch anything. 52332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 524758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick public static final VmPolicy LAX = new VmPolicy(0, EMPTY_CLASS_LIMIT_MAP); 52532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 52632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick final int mask; 52732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 528758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick // Map from class to max number of allowed instances in memory. 529758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick final HashMap<Class, Integer> classInstanceLimit; 530758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick 531758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick private VmPolicy(int mask, HashMap<Class, Integer> classInstanceLimit) { 532758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick if (classInstanceLimit == null) { 533758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick throw new NullPointerException("classInstanceLimit == null"); 534758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick } 53532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick this.mask = mask; 536758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick this.classInstanceLimit = classInstanceLimit; 53732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 53832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 53932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick @Override 54032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public String toString() { 54132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return "[StrictMode.VmPolicy; mask=" + mask + "]"; 54232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 54332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 54432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 54532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Creates {@link VmPolicy} instances. Methods whose names start 54632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * with {@code detect} specify what problems we should look 54732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * for. Methods whose names start with {@code penalty} specify what 54832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * we should do when we detect a problem. 54932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 55032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>You can call as many {@code detect} and {@code penalty} 55132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * methods as you like. Currently order is insignificant: all 55232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * penalties apply to all detected problems. 55332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 55432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>For example, detect everything and log anything that's found: 55532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <pre> 55632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * StrictMode.VmPolicy policy = new StrictMode.VmPolicy.Builder() 55732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .detectAll() 55832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .penaltyLog() 55932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .build(); 56032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * StrictMode.setVmPolicy(policy); 56132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * </pre> 56232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 56332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static final class Builder { 56432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick private int mMask; 56532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 566758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick private HashMap<Class, Integer> mClassInstanceLimit; // null until needed 567758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick private boolean mClassInstanceLimitNeedCow = false; // need copy-on-write 568758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick 569758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick public Builder() { 570758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick mMask = 0; 571758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick } 572758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick 573758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick /** 574758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick * Build upon an existing VmPolicy. 575758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick */ 576758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick public Builder(VmPolicy base) { 577758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick mMask = base.mask; 578758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick mClassInstanceLimitNeedCow = true; 579758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick mClassInstanceLimit = base.classInstanceLimit; 580758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick } 581758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick 582758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick /** 583758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick * Set an upper bound on how many instances of a class can be in memory 584758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick * at once. Helps to prevent object leaks. 585758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick */ 586758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick public Builder setClassInstanceLimit(Class klass, int instanceLimit) { 587758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick if (klass == null) { 588758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick throw new NullPointerException("klass == null"); 589758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick } 590758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick if (mClassInstanceLimitNeedCow) { 591758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick if (mClassInstanceLimit.containsKey(klass) && 592758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick mClassInstanceLimit.get(klass) == instanceLimit) { 593758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick // no-op; don't break COW 594758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick return this; 595758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick } 596758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick mClassInstanceLimitNeedCow = false; 597758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick mClassInstanceLimit = (HashMap<Class, Integer>) mClassInstanceLimit.clone(); 598758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick } else if (mClassInstanceLimit == null) { 599758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick mClassInstanceLimit = new HashMap<Class, Integer>(); 600758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick } 601bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick mMask |= DETECT_VM_INSTANCE_LEAKS; 602758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick mClassInstanceLimit.put(klass, instanceLimit); 603758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick return this; 604758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick } 605758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick 606bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick /** 607bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick * Detect leaks of {@link android.app.Activity} subclasses. 608bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick */ 609bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick public Builder detectActivityLeaks() { 610758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick return enable(DETECT_VM_ACTIVITY_LEAKS); 611758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick } 612758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick 61332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 61432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Detect everything that's potentially suspect. 61532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 616fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * <p>In the Honeycomb release this includes leaks of 617bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick * SQLite cursors, Activities, and other closable objects 618bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick * but will likely expand in future releases. 61932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 62032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder detectAll() { 621758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick return enable(DETECT_VM_ACTIVITY_LEAKS | 622758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick DETECT_VM_CURSOR_LEAKS | DETECT_VM_CLOSABLE_LEAKS); 62332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 62432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 62532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 62632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Detect when an 62732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * {@link android.database.sqlite.SQLiteCursor} or other 62832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * SQLite object is finalized without having been closed. 62932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 63032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>You always want to explicitly close your SQLite 63132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * cursors to avoid unnecessary database contention and 63232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * temporary memory leaks. 63332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 63432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder detectLeakedSqlLiteObjects() { 63532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return enable(DETECT_VM_CURSOR_LEAKS); 63632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 63732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 63832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 639fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * Detect when an {@link java.io.Closeable} or other 640fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * object with a explict termination method is finalized 641fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * without having been closed. 642fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * 643fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * <p>You always want to explicitly close such objects to 644fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * avoid unnecessary resources leaks. 645fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom */ 646fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom public Builder detectLeakedClosableObjects() { 647fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom return enable(DETECT_VM_CLOSABLE_LEAKS); 648fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom } 649fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom 650fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom /** 65132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Crashes the whole process on violation. This penalty runs at 65232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * the end of all enabled penalties so yo you'll still get 65332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * your logging or other violations before the process dies. 65432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 65532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder penaltyDeath() { 65632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return enable(PENALTY_DEATH); 65732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 65832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 65932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 66032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Log detected violations to the system log. 66132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 66232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder penaltyLog() { 66332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return enable(PENALTY_LOG); 66432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 66532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 66632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 66732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Enable detected violations log a stacktrace and timing data 66832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * to the {@link android.os.DropBoxManager DropBox} on policy 66932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * violation. Intended mostly for platform integrators doing 67032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * beta user field data collection. 67132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 67232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder penaltyDropBox() { 67332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return enable(PENALTY_DROPBOX); 67432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 67532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 67632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick private Builder enable(int bit) { 67732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick mMask |= bit; 67832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return this; 67932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 68032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 68132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 68232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Construct the VmPolicy instance. 68332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 68432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>Note: if no penalties are enabled before calling 68532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <code>build</code>, {@link #penaltyLog} is implicitly 68632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * set. 68732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 68832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public VmPolicy build() { 68932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // If there are detection bits set but no violation bits 69032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // set, enable simple logging. 69132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick if (mMask != 0 && 69232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick (mMask & (PENALTY_DEATH | PENALTY_LOG | 69332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick PENALTY_DROPBOX | PENALTY_DIALOG)) == 0) { 69432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick penaltyLog(); 69532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 696758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick return new VmPolicy(mMask, 697758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick mClassInstanceLimit != null ? mClassInstanceLimit : EMPTY_CLASS_LIMIT_MAP); 69832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 69932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 70032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 701438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 702438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick /** 7035b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * Log of strict mode violation stack traces that have occurred 7045b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * during a Binder call, to be serialized back later to the caller 7055b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * via Parcel.writeNoException() (amusingly) where the caller can 7065b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * choose how to react. 7075b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick */ 708cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick private static final ThreadLocal<ArrayList<ViolationInfo>> gatheredViolations = 709cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick new ThreadLocal<ArrayList<ViolationInfo>>() { 710cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick @Override protected ArrayList<ViolationInfo> initialValue() { 711703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick // Starts null to avoid unnecessary allocations when 712703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick // checking whether there are any violations or not in 713703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick // hasGatheredViolations() below. 714703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick return null; 7155b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 7165b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick }; 7175b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick 7185b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick /** 71932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Sets the policy for what actions on the current thread should 72032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * be detected, as well as the penalty if such actions occur. 72115ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * 72232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>Internally this sets a thread-local variable which is 72315ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * propagated across cross-process IPC calls, meaning you can 72415ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * catch violations when a system service or another process 72515ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * accesses the disk or network on your behalf. 726438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick * 72732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @param policy the policy to put into place 728438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick */ 72932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static void setThreadPolicy(final ThreadPolicy policy) { 73032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick setThreadPolicyMask(policy.mask); 73132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 73232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 73332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick private static void setThreadPolicyMask(final int policyMask) { 734727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // In addition to the Java-level thread-local in Dalvik's 735727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // BlockGuard, we also need to keep a native thread-local in 736727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // Binder in order to propagate the value across Binder calls, 737727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // even across native-only processes. The two are kept in 738727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // sync via the callback to onStrictModePolicyChange, below. 739727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick setBlockGuardPolicy(policyMask); 740727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick 741727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // And set the Android native version... 742727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick Binder.setThreadStrictModePolicy(policyMask); 743727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick } 744727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick 745727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // Sets the policy in Dalvik/libcore (BlockGuard) 746727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick private static void setBlockGuardPolicy(final int policyMask) { 74746d42387464a651268648659e91d022566d4844cBrad Fitzpatrick if (policyMask == 0) { 74846d42387464a651268648659e91d022566d4844cBrad Fitzpatrick BlockGuard.setThreadPolicy(BlockGuard.LAX_POLICY); 74946d42387464a651268648659e91d022566d4844cBrad Fitzpatrick return; 75046d42387464a651268648659e91d022566d4844cBrad Fitzpatrick } 751438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick BlockGuard.Policy policy = BlockGuard.getThreadPolicy(); 752438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick if (!(policy instanceof AndroidBlockGuardPolicy)) { 753438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick BlockGuard.setThreadPolicy(new AndroidBlockGuardPolicy(policyMask)); 754438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } else { 755438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick AndroidBlockGuardPolicy androidPolicy = (AndroidBlockGuardPolicy) policy; 756438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick androidPolicy.setPolicyMask(policyMask); 757438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 758438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 759438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 7604b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom // Sets up CloseGuard in Dalvik/libcore 7614b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom private static void setCloseGuardEnabled(boolean enabled) { 7627c2ae6570321575ad74a25bdc72bea1ec6558660Brad Fitzpatrick if (!(CloseGuard.getReporter() instanceof AndroidCloseGuardReporter)) { 7634b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom CloseGuard.setReporter(new AndroidCloseGuardReporter()); 7644b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom } 7654b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom CloseGuard.setEnabled(enabled); 7664b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom } 7674b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom 7684e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick /** 7694e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick * @hide 7704e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick */ 7714e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick public static class StrictModeViolation extends BlockGuard.BlockGuardPolicyException { 7724e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick public StrictModeViolation(int policyState, int policyViolated, String message) { 7734e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick super(policyState, policyViolated, message); 7744e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick } 7754e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick } 7764e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick 7774e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick /** 7784e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick * @hide 7794e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick */ 7804e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick public static class StrictModeNetworkViolation extends StrictModeViolation { 7815b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick public StrictModeNetworkViolation(int policyMask) { 7824e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick super(policyMask, DETECT_NETWORK, null); 7835b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 7845b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 7855b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick 7864e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick /** 7874e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick * @hide 7884e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick */ 7894e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick private static class StrictModeDiskReadViolation extends StrictModeViolation { 7905b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick public StrictModeDiskReadViolation(int policyMask) { 7914e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick super(policyMask, DETECT_DISK_READ, null); 7925b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 7935b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 7945b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick 7954e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick /** 7964e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick * @hide 7974e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick */ 7984e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick private static class StrictModeDiskWriteViolation extends StrictModeViolation { 7995b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick public StrictModeDiskWriteViolation(int policyMask) { 8004e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick super(policyMask, DETECT_DISK_WRITE, null); 8015b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 8025b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 8035b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick 8044e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick /** 8054e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick * @hide 8064e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick */ 8074e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick private static class StrictModeCustomViolation extends StrictModeViolation { 808e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick public StrictModeCustomViolation(int policyMask, String name) { 809e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick super(policyMask, DETECT_CUSTOM, name); 810e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick } 811e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick } 812e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick 813438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick /** 81415ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * Returns the bitmask of the current thread's policy. 815438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick * 81632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @return the bitmask of all the DETECT_* and PENALTY_* bits currently enabled 81732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 81832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @hide 819438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick */ 82032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static int getThreadPolicyMask() { 821438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick return BlockGuard.getThreadPolicy().getPolicyMask(); 822438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 823438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 8245b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick /** 82532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Returns the current thread's policy. 82632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 82732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static ThreadPolicy getThreadPolicy() { 828e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick // TODO: this was a last minute Gingerbread API change (to 829e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick // introduce VmPolicy cleanly) but this isn't particularly 830e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick // optimal for users who might call this method often. This 831e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick // should be in a thread-local and not allocate on each call. 83232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return new ThreadPolicy(getThreadPolicyMask()); 83332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 83432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 83532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 83632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * A convenience wrapper that takes the current 83732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * {@link ThreadPolicy} from {@link #getThreadPolicy}, modifies it 83832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * to permit both disk reads & writes, and sets the new policy 83932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * with {@link #setThreadPolicy}, returning the old policy so you 84032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * can restore it at the end of a block. 84197461bd25c3821f3fb6af9705f0612259c6b4492Brad Fitzpatrick * 84232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @return the old policy, to be passed to {@link #setThreadPolicy} to 84332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * restore the policy at the end of a block 84497461bd25c3821f3fb6af9705f0612259c6b4492Brad Fitzpatrick */ 84532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static ThreadPolicy allowThreadDiskWrites() { 84632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick int oldPolicyMask = getThreadPolicyMask(); 84732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick int newPolicyMask = oldPolicyMask & ~(DETECT_DISK_WRITE | DETECT_DISK_READ); 84832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick if (newPolicyMask != oldPolicyMask) { 84932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick setThreadPolicyMask(newPolicyMask); 85097461bd25c3821f3fb6af9705f0612259c6b4492Brad Fitzpatrick } 85132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return new ThreadPolicy(oldPolicyMask); 85297461bd25c3821f3fb6af9705f0612259c6b4492Brad Fitzpatrick } 85397461bd25c3821f3fb6af9705f0612259c6b4492Brad Fitzpatrick 85497461bd25c3821f3fb6af9705f0612259c6b4492Brad Fitzpatrick /** 85532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * A convenience wrapper that takes the current 85632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * {@link ThreadPolicy} from {@link #getThreadPolicy}, modifies it 85732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * to permit disk reads, and sets the new policy 85832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * with {@link #setThreadPolicy}, returning the old policy so you 85932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * can restore it at the end of a block. 86097461bd25c3821f3fb6af9705f0612259c6b4492Brad Fitzpatrick * 86132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @return the old policy, to be passed to setThreadPolicy to 86297461bd25c3821f3fb6af9705f0612259c6b4492Brad Fitzpatrick * restore the policy. 86397461bd25c3821f3fb6af9705f0612259c6b4492Brad Fitzpatrick */ 86432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static ThreadPolicy allowThreadDiskReads() { 86532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick int oldPolicyMask = getThreadPolicyMask(); 86632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick int newPolicyMask = oldPolicyMask & ~(DETECT_DISK_READ); 86732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick if (newPolicyMask != oldPolicyMask) { 86832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick setThreadPolicyMask(newPolicyMask); 86997461bd25c3821f3fb6af9705f0612259c6b4492Brad Fitzpatrick } 87032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return new ThreadPolicy(oldPolicyMask); 87197461bd25c3821f3fb6af9705f0612259c6b4492Brad Fitzpatrick } 87297461bd25c3821f3fb6af9705f0612259c6b4492Brad Fitzpatrick 873f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick // We don't want to flash the screen red in the system server 874f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick // process, nor do we want to modify all the call sites of 875f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick // conditionallyEnableDebugLogging() in the system server, 876f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick // so instead we use this to determine if we are the system server. 877f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick private static boolean amTheSystemServerProcess() { 878f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick // Fast path. Most apps don't have the system server's UID. 879f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick if (Process.myUid() != Process.SYSTEM_UID) { 880f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick return false; 881f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick } 882f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick 883f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick // The settings app, though, has the system server's UID so 884f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick // look up our stack to see if we came from the system server. 885f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick Throwable stack = new Throwable(); 886f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick stack.fillInStackTrace(); 887f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick for (StackTraceElement ste : stack.getStackTrace()) { 888f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick String clsName = ste.getClassName(); 889f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick if (clsName != null && clsName.startsWith("com.android.server.")) { 890f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick return true; 891f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick } 892f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick } 893f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick return false; 894f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick } 895f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick 89697461bd25c3821f3fb6af9705f0612259c6b4492Brad Fitzpatrick /** 89750d66f9fcdac84b2af65a82be56728f54b1a7ef0Brad Fitzpatrick * Enable DropBox logging for debug phone builds. 89850d66f9fcdac84b2af65a82be56728f54b1a7ef0Brad Fitzpatrick * 89950d66f9fcdac84b2af65a82be56728f54b1a7ef0Brad Fitzpatrick * @hide 90050d66f9fcdac84b2af65a82be56728f54b1a7ef0Brad Fitzpatrick */ 90150d66f9fcdac84b2af65a82be56728f54b1a7ef0Brad Fitzpatrick public static boolean conditionallyEnableDebugLogging() { 902bc6f0ce8be64a74b695fb21dab5f4805b68dce16Christopher Tate boolean doFlashes = SystemProperties.getBoolean(VISUAL_PROPERTY, false) 903bc6f0ce8be64a74b695fb21dab5f4805b68dce16Christopher Tate && !amTheSystemServerProcess(); 904bc6f0ce8be64a74b695fb21dab5f4805b68dce16Christopher Tate final boolean suppress = SystemProperties.getBoolean(DISABLE_PROPERTY, false); 905c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick 90650d66f9fcdac84b2af65a82be56728f54b1a7ef0Brad Fitzpatrick // For debug builds, log event loop stalls to dropbox for analysis. 90750d66f9fcdac84b2af65a82be56728f54b1a7ef0Brad Fitzpatrick // Similar logic also appears in ActivityThread.java for system apps. 908bc6f0ce8be64a74b695fb21dab5f4805b68dce16Christopher Tate if (!doFlashes && (IS_USER_BUILD || suppress)) { 9097c2ae6570321575ad74a25bdc72bea1ec6558660Brad Fitzpatrick setCloseGuardEnabled(false); 91050d66f9fcdac84b2af65a82be56728f54b1a7ef0Brad Fitzpatrick return false; 91150d66f9fcdac84b2af65a82be56728f54b1a7ef0Brad Fitzpatrick } 912c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick 913bc6f0ce8be64a74b695fb21dab5f4805b68dce16Christopher Tate // Eng builds have flashes on all the time. The suppression property 914bc6f0ce8be64a74b695fb21dab5f4805b68dce16Christopher Tate // overrides this, so we force the behavior only after the short-circuit 915bc6f0ce8be64a74b695fb21dab5f4805b68dce16Christopher Tate // check above. 916bc6f0ce8be64a74b695fb21dab5f4805b68dce16Christopher Tate if (IS_ENG_BUILD) { 917bc6f0ce8be64a74b695fb21dab5f4805b68dce16Christopher Tate doFlashes = true; 918bc6f0ce8be64a74b695fb21dab5f4805b68dce16Christopher Tate } 919bc6f0ce8be64a74b695fb21dab5f4805b68dce16Christopher Tate 920be7c29c9f7e3d7b75d4374c8b5c0ca43c9d09c68Jeff Brown // Thread policy controls BlockGuard. 921c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick int threadPolicyMask = StrictMode.DETECT_DISK_WRITE | 922c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick StrictMode.DETECT_DISK_READ | 923c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick StrictMode.DETECT_NETWORK; 924c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick 925c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick if (!IS_USER_BUILD) { 926c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick threadPolicyMask |= StrictMode.PENALTY_DROPBOX; 927c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick } 928c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick if (doFlashes) { 929c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick threadPolicyMask |= StrictMode.PENALTY_FLASH; 930c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick } 931c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick 932c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick StrictMode.setThreadPolicyMask(threadPolicyMask); 933c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick 934be7c29c9f7e3d7b75d4374c8b5c0ca43c9d09c68Jeff Brown // VM Policy controls CloseGuard, detection of Activity leaks, 935be7c29c9f7e3d7b75d4374c8b5c0ca43c9d09c68Jeff Brown // and instance counting. 936c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick if (IS_USER_BUILD) { 937c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick setCloseGuardEnabled(false); 938c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick } else { 939d5875d98f06817f78bd974842a8a9c2d41802d20Jeff Brown VmPolicy.Builder policyBuilder = new VmPolicy.Builder().detectAll().penaltyDropBox(); 940d5875d98f06817f78bd974842a8a9c2d41802d20Jeff Brown if (IS_ENG_BUILD) { 941d5875d98f06817f78bd974842a8a9c2d41802d20Jeff Brown policyBuilder.penaltyLog(); 942d5875d98f06817f78bd974842a8a9c2d41802d20Jeff Brown } 943d5875d98f06817f78bd974842a8a9c2d41802d20Jeff Brown setVmPolicy(policyBuilder.build()); 944c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick setCloseGuardEnabled(vmClosableObjectLeaksEnabled()); 945c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick } 94650d66f9fcdac84b2af65a82be56728f54b1a7ef0Brad Fitzpatrick return true; 94750d66f9fcdac84b2af65a82be56728f54b1a7ef0Brad Fitzpatrick } 94850d66f9fcdac84b2af65a82be56728f54b1a7ef0Brad Fitzpatrick 94950d66f9fcdac84b2af65a82be56728f54b1a7ef0Brad Fitzpatrick /** 950b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * Used by the framework to make network usage on the main 951b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * thread a fatal error. 952b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * 953b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * @hide 954b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick */ 955b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick public static void enableDeathOnNetwork() { 956b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick int oldPolicy = getThreadPolicyMask(); 957b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick int newPolicy = oldPolicy | DETECT_NETWORK | PENALTY_DEATH_ON_NETWORK; 958b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick setThreadPolicyMask(newPolicy); 959b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick } 960b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick 961b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick /** 9625b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * Parses the BlockGuard policy mask out from the Exception's 9635b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * getMessage() String value. Kinda gross, but least 9645b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * invasive. :/ 9655b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * 966e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick * Input is of the following forms: 967e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick * "policy=137 violation=64" 968e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick * "policy=137 violation=64 msg=Arbitrary text" 9695b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * 9705b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * Returns 0 on failure, which is a valid policy, but not a 9715b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * valid policy during a violation (else there must've been 9725b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * some policy in effect to violate). 9735b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick */ 9745b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick private static int parsePolicyFromMessage(String message) { 9755b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick if (message == null || !message.startsWith("policy=")) { 9765b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick return 0; 9775b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 9785b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick int spaceIndex = message.indexOf(' '); 9795b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick if (spaceIndex == -1) { 9805b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick return 0; 9815b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 9825b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick String policyString = message.substring(7, spaceIndex); 9835b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick try { 9845b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick return Integer.valueOf(policyString).intValue(); 9855b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } catch (NumberFormatException e) { 9865b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick return 0; 9875b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 9885b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 9895b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick 9905b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick /** 9915b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * Like parsePolicyFromMessage(), but returns the violation. 9925b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick */ 9935b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick private static int parseViolationFromMessage(String message) { 9945b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick if (message == null) { 9955b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick return 0; 9965b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 9975b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick int violationIndex = message.indexOf("violation="); 9985b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick if (violationIndex == -1) { 9995b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick return 0; 10005b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 1001e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick int numberStartIndex = violationIndex + "violation=".length(); 1002e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick int numberEndIndex = message.indexOf(' ', numberStartIndex); 1003e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick if (numberEndIndex == -1) { 1004e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick numberEndIndex = message.length(); 1005e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick } 1006e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick String violationString = message.substring(numberStartIndex, numberEndIndex); 10075b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick try { 10085b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick return Integer.valueOf(violationString).intValue(); 10095b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } catch (NumberFormatException e) { 10105b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick return 0; 10115b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 10125b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 10135b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick 1014191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick private static final ThreadLocal<ArrayList<ViolationInfo>> violationsBeingTimed = 1015191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick new ThreadLocal<ArrayList<ViolationInfo>>() { 1016191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick @Override protected ArrayList<ViolationInfo> initialValue() { 1017191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick return new ArrayList<ViolationInfo>(); 1018191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick } 1019191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick }; 1020191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick 1021bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick // Note: only access this once verifying the thread has a Looper. 1022bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick private static final ThreadLocal<Handler> threadHandler = new ThreadLocal<Handler>() { 1023bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick @Override protected Handler initialValue() { 1024bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick return new Handler(); 1025bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick } 1026bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick }; 1027bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick 1028191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick private static boolean tooManyViolationsThisLoop() { 1029191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick return violationsBeingTimed.get().size() >= MAX_OFFENSES_PER_LOOP; 1030191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick } 1031191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick 1032438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick private static class AndroidBlockGuardPolicy implements BlockGuard.Policy { 1033438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick private int mPolicyMask; 103446d42387464a651268648659e91d022566d4844cBrad Fitzpatrick 103546d42387464a651268648659e91d022566d4844cBrad Fitzpatrick // Map from violation stacktrace hashcode -> uptimeMillis of 103646d42387464a651268648659e91d022566d4844cBrad Fitzpatrick // last violation. No locking needed, as this is only 103746d42387464a651268648659e91d022566d4844cBrad Fitzpatrick // accessed by the same thread. 103846d42387464a651268648659e91d022566d4844cBrad Fitzpatrick private final HashMap<Integer, Long> mLastViolationTime = new HashMap<Integer, Long>(); 1039438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 1040438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick public AndroidBlockGuardPolicy(final int policyMask) { 1041438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick mPolicyMask = policyMask; 1042438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 1043438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 10445b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick @Override 10455b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick public String toString() { 10465b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick return "AndroidBlockGuardPolicy; mPolicyMask=" + mPolicyMask; 10475b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 10485b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick 1049438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick // Part of BlockGuard.Policy interface: 1050438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick public int getPolicyMask() { 1051438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick return mPolicyMask; 1052438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 1053438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 1054438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick // Part of BlockGuard.Policy interface: 1055438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick public void onWriteToDisk() { 105632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick if ((mPolicyMask & DETECT_DISK_WRITE) == 0) { 1057438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick return; 1058438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 1059191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick if (tooManyViolationsThisLoop()) { 1060191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick return; 1061191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick } 1062cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick BlockGuard.BlockGuardPolicyException e = new StrictModeDiskWriteViolation(mPolicyMask); 1063cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick e.fillInStackTrace(); 1064cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick startHandlingViolationException(e); 1065438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 1066438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 1067e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick // Not part of BlockGuard.Policy; just part of StrictMode: 1068e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick void onCustomSlowCall(String name) { 1069e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick if ((mPolicyMask & DETECT_CUSTOM) == 0) { 1070e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick return; 1071e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick } 1072e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick if (tooManyViolationsThisLoop()) { 1073e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick return; 1074e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick } 1075e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick BlockGuard.BlockGuardPolicyException e = new StrictModeCustomViolation(mPolicyMask, name); 1076e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick e.fillInStackTrace(); 1077e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick startHandlingViolationException(e); 1078e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick } 1079e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick 1080438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick // Part of BlockGuard.Policy interface: 1081438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick public void onReadFromDisk() { 108232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick if ((mPolicyMask & DETECT_DISK_READ) == 0) { 1083438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick return; 1084438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 1085191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick if (tooManyViolationsThisLoop()) { 1086191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick return; 1087191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick } 1088cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick BlockGuard.BlockGuardPolicyException e = new StrictModeDiskReadViolation(mPolicyMask); 1089cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick e.fillInStackTrace(); 1090cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick startHandlingViolationException(e); 1091438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 1092438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 1093438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick // Part of BlockGuard.Policy interface: 1094438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick public void onNetwork() { 109532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick if ((mPolicyMask & DETECT_NETWORK) == 0) { 1096438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick return; 1097438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 1098b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick if ((mPolicyMask & PENALTY_DEATH_ON_NETWORK) != 0) { 1099b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick throw new NetworkOnMainThreadException(); 1100b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick } 1101191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick if (tooManyViolationsThisLoop()) { 1102191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick return; 1103191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick } 1104cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick BlockGuard.BlockGuardPolicyException e = new StrictModeNetworkViolation(mPolicyMask); 1105cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick e.fillInStackTrace(); 1106cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick startHandlingViolationException(e); 1107438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 1108438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 1109438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick public void setPolicyMask(int policyMask) { 1110438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick mPolicyMask = policyMask; 1111438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 1112438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 11135b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick // Start handling a violation that just started and hasn't 11145b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick // actually run yet (e.g. no disk write or network operation 11155b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick // has yet occurred). This sees if we're in an event loop 11165b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick // thread and, if so, uses it to roughly measure how long the 11175b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick // violation took. 11185b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick void startHandlingViolationException(BlockGuard.BlockGuardPolicyException e) { 1119cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick final ViolationInfo info = new ViolationInfo(e, e.getPolicy()); 1120cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick info.violationUptimeMillis = SystemClock.uptimeMillis(); 1121cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick handleViolationWithTimingAttempt(info); 1122cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 1123438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 1124cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // Attempts to fill in the provided ViolationInfo's 1125cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // durationMillis field if this thread has a Looper we can use 1126cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // to measure with. We measure from the time of violation 1127cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // until the time the looper is idle again (right before 1128cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // the next epoll_wait) 1129cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick void handleViolationWithTimingAttempt(final ViolationInfo info) { 1130438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick Looper looper = Looper.myLooper(); 1131cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 1132cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // Without a Looper, we're unable to time how long the 1133cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // violation takes place. This case should be rare, as 1134cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // most users will care about timing violations that 1135cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // happen on their main UI thread. Note that this case is 1136cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // also hit when a violation takes place in a Binder 1137cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // thread, in "gather" mode. In this case, the duration 1138cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // of the violation is computed by the ultimate caller and 1139cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // its Looper, if any. 11404e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick // 11414e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick // Also, as a special short-cut case when the only penalty 11424e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick // bit is death, we die immediately, rather than timing 11434e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick // the violation's duration. This makes it convenient to 11444e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick // use in unit tests too, rather than waiting on a Looper. 11454e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick // 1146cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // TODO: if in gather mode, ignore Looper.myLooper() and always 1147cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // go into this immediate mode? 11484e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick if (looper == null || 1149c0bb0bb5e3425b77b6e7820ebe25fe72bdd07782Brad Fitzpatrick (info.policy & THREAD_PENALTY_MASK) == PENALTY_DEATH) { 1150cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick info.durationMillis = -1; // unknown (redundant, already set) 1151cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick handleViolation(info); 1152cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick return; 1153438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 1154438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 1155cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick final ArrayList<ViolationInfo> records = violationsBeingTimed.get(); 1156191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick if (records.size() >= MAX_OFFENSES_PER_LOOP) { 1157cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // Not worth measuring. Too many offenses in one loop. 1158cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick return; 1159cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 1160cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick records.add(info); 1161cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if (records.size() > 1) { 1162cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // There's already been a violation this loop, so we've already 1163cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // registered an idle handler to process the list of violations 1164cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // at the end of this Looper's loop. 1165cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick return; 1166cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 1167cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 11686804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick final IWindowManager windowManager = (info.policy & PENALTY_FLASH) != 0 ? 1169cdcb73ef781b8f7d37d9f758409a0c7671517b37Brad Fitzpatrick sWindowManager.get() : null; 11706804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick if (windowManager != null) { 11716804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick try { 11726804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick windowManager.showStrictModeViolation(true); 11736804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick } catch (RemoteException unused) { 11746804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick } 11756804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick } 11766804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick 1177bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick // We post a runnable to a Handler (== delay 0 ms) for 1178bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick // measuring the end time of a violation instead of using 1179bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick // an IdleHandler (as was previously used) because an 1180bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick // IdleHandler may not run for quite a long period of time 1181bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick // if an ongoing animation is happening and continually 1182bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick // posting ASAP (0 ms) animation steps. Animations are 1183bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick // throttled back to 60fps via SurfaceFlinger/View 1184bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick // invalidates, _not_ by posting frame updates every 16 1185bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick // milliseconds. 1186bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick threadHandler.get().post(new Runnable() { 1187bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick public void run() { 1188cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick long loopFinishTime = SystemClock.uptimeMillis(); 1189bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick 1190bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick // Note: we do this early, before handling the 1191bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick // violation below, as handling the violation 1192bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick // may include PENALTY_DEATH and we don't want 1193bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick // to keep the red border on. 1194bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick if (windowManager != null) { 1195bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick try { 1196bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick windowManager.showStrictModeViolation(false); 1197bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick } catch (RemoteException unused) { 1198bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick } 1199bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick } 1200bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick 1201cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick for (int n = 0; n < records.size(); ++n) { 1202cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick ViolationInfo v = records.get(n); 1203cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick v.violationNumThisLoop = n + 1; 1204cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick v.durationMillis = 1205cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick (int) (loopFinishTime - v.violationUptimeMillis); 1206cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick handleViolation(v); 1207cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 1208cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick records.clear(); 1209cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 1210cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick }); 12115b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 1212438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 12135b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick // Note: It's possible (even quite likely) that the 12145b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick // thread-local policy mask has changed from the time the 12155b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick // violation fired and now (after the violating code ran) due 12165b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick // to people who push/pop temporary policy in regions of code, 12175b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick // hence the policy being passed around. 1218cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick void handleViolation(final ViolationInfo info) { 1219cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if (info == null || info.crashInfo == null || info.crashInfo.stackTrace == null) { 1220cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick Log.wtf(TAG, "unexpected null stacktrace"); 12215b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick return; 12225b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 1223438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 1224cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if (LOG_V) Log.d(TAG, "handleViolation; policy=" + info.policy); 122546d42387464a651268648659e91d022566d4844cBrad Fitzpatrick 1226cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if ((info.policy & PENALTY_GATHER) != 0) { 1227cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick ArrayList<ViolationInfo> violations = gatheredViolations.get(); 1228703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick if (violations == null) { 1229cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick violations = new ArrayList<ViolationInfo>(1); 1230703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick gatheredViolations.set(violations); 1231703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick } else if (violations.size() >= 5) { 12325b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick // Too many. In a loop or something? Don't gather them all. 12335b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick return; 12345b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 1235cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick for (ViolationInfo previous : violations) { 1236cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if (info.crashInfo.stackTrace.equals(previous.crashInfo.stackTrace)) { 12375b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick // Duplicate. Don't log. 12385b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick return; 12395b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 12405b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 1241cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick violations.add(info); 1242727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick return; 1243727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick } 1244727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick 124546d42387464a651268648659e91d022566d4844cBrad Fitzpatrick // Not perfect, but fast and good enough for dup suppression. 1246f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick Integer crashFingerprint = info.hashCode(); 124746d42387464a651268648659e91d022566d4844cBrad Fitzpatrick long lastViolationTime = 0; 124846d42387464a651268648659e91d022566d4844cBrad Fitzpatrick if (mLastViolationTime.containsKey(crashFingerprint)) { 124946d42387464a651268648659e91d022566d4844cBrad Fitzpatrick lastViolationTime = mLastViolationTime.get(crashFingerprint); 125046d42387464a651268648659e91d022566d4844cBrad Fitzpatrick } 125146d42387464a651268648659e91d022566d4844cBrad Fitzpatrick long now = SystemClock.uptimeMillis(); 125246d42387464a651268648659e91d022566d4844cBrad Fitzpatrick mLastViolationTime.put(crashFingerprint, now); 125346d42387464a651268648659e91d022566d4844cBrad Fitzpatrick long timeSinceLastViolationMillis = lastViolationTime == 0 ? 125446d42387464a651268648659e91d022566d4844cBrad Fitzpatrick Long.MAX_VALUE : (now - lastViolationTime); 125546d42387464a651268648659e91d022566d4844cBrad Fitzpatrick 1256cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if ((info.policy & PENALTY_LOG) != 0 && 125746d42387464a651268648659e91d022566d4844cBrad Fitzpatrick timeSinceLastViolationMillis > MIN_LOG_INTERVAL_MS) { 1258cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if (info.durationMillis != -1) { 12595b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick Log.d(TAG, "StrictMode policy violation; ~duration=" + 1260cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick info.durationMillis + " ms: " + info.crashInfo.stackTrace); 1261438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } else { 1262cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick Log.d(TAG, "StrictMode policy violation: " + info.crashInfo.stackTrace); 1263438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 1264438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 1265438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 126671678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick // The violationMaskSubset, passed to ActivityManager, is a 126746d42387464a651268648659e91d022566d4844cBrad Fitzpatrick // subset of the original StrictMode policy bitmask, with 126846d42387464a651268648659e91d022566d4844cBrad Fitzpatrick // only the bit violated and penalty bits to be executed 126946d42387464a651268648659e91d022566d4844cBrad Fitzpatrick // by the ActivityManagerService remaining set. 1270cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick int violationMaskSubset = 0; 127146d42387464a651268648659e91d022566d4844cBrad Fitzpatrick 1272cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if ((info.policy & PENALTY_DIALOG) != 0 && 127346d42387464a651268648659e91d022566d4844cBrad Fitzpatrick timeSinceLastViolationMillis > MIN_DIALOG_INTERVAL_MS) { 1274cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick violationMaskSubset |= PENALTY_DIALOG; 127546d42387464a651268648659e91d022566d4844cBrad Fitzpatrick } 127646d42387464a651268648659e91d022566d4844cBrad Fitzpatrick 1277cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if ((info.policy & PENALTY_DROPBOX) != 0 && lastViolationTime == 0) { 1278cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick violationMaskSubset |= PENALTY_DROPBOX; 127946d42387464a651268648659e91d022566d4844cBrad Fitzpatrick } 128046d42387464a651268648659e91d022566d4844cBrad Fitzpatrick 1281cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if (violationMaskSubset != 0) { 1282cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick int violationBit = parseViolationFromMessage(info.crashInfo.exceptionMessage); 1283cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick violationMaskSubset |= violationBit; 128432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick final int savedPolicyMask = getThreadPolicyMask(); 128571678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick 1286c0bb0bb5e3425b77b6e7820ebe25fe72bdd07782Brad Fitzpatrick final boolean justDropBox = (info.policy & THREAD_PENALTY_MASK) == PENALTY_DROPBOX; 128771678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick if (justDropBox) { 128871678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick // If all we're going to ask the activity manager 128971678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick // to do is dropbox it (the common case during 129071678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick // platform development), we can avoid doing this 129171678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick // call synchronously which Binder data suggests 129271678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick // isn't always super fast, despite the implementation 129371678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick // in the ActivityManager trying to be mostly async. 1294bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick dropboxViolationAsync(violationMaskSubset, info); 129571678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick return; 129671678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick } 129771678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick 129871678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick // Normal synchronous call to the ActivityManager. 1299438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick try { 1300727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // First, remove any policy before we call into the Activity Manager, 1301727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // otherwise we'll infinite recurse as we try to log policy violations 1302727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // to disk, thus violating policy, thus requiring logging, etc... 1303727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // We restore the current policy below, in the finally block. 130432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick setThreadPolicyMask(0); 1305727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick 1306438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick ActivityManagerNative.getDefault().handleApplicationStrictModeViolation( 1307438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick RuntimeInit.getApplicationObject(), 1308cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick violationMaskSubset, 1309cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick info); 1310438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } catch (RemoteException e) { 131146d42387464a651268648659e91d022566d4844cBrad Fitzpatrick Log.e(TAG, "RemoteException trying to handle StrictMode violation", e); 1312727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick } finally { 1313727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // Restore the policy. 131432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick setThreadPolicyMask(savedPolicyMask); 1315438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 1316438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 1317438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 1318cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if ((info.policy & PENALTY_DEATH) != 0) { 13194e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick executeDeathPenalty(info); 1320438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 1321438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 1322438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 1323727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick 13244e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick private static void executeDeathPenalty(ViolationInfo info) { 13254e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick int violationBit = parseViolationFromMessage(info.crashInfo.exceptionMessage); 13264e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick throw new StrictModeViolation(info.policy, violationBit, null); 13274e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick } 13284e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick 1329bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick /** 1330bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick * In the common case, as set by conditionallyEnableDebugLogging, 1331bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick * we're just dropboxing any violations but not showing a dialog, 1332bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick * not loggging, and not killing the process. In these cases we 1333bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick * don't need to do a synchronous call to the ActivityManager. 1334bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick * This is used by both per-thread and vm-wide violations when 1335bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick * applicable. 1336bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick */ 1337bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick private static void dropboxViolationAsync( 1338bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick final int violationMaskSubset, final ViolationInfo info) { 1339bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick int outstanding = sDropboxCallsInFlight.incrementAndGet(); 1340bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick if (outstanding > 20) { 1341bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick // What's going on? Let's not make make the situation 1342bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick // worse and just not log. 1343bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick sDropboxCallsInFlight.decrementAndGet(); 1344bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick return; 1345bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick } 1346bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick 1347bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick if (LOG_V) Log.d(TAG, "Dropboxing async; in-flight=" + outstanding); 1348bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick 1349bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick new Thread("callActivityManagerForStrictModeDropbox") { 1350bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick public void run() { 1351bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1352bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick try { 13531065685400335ef8c1220f34b4e896e7da603789Brad Fitzpatrick IActivityManager am = ActivityManagerNative.getDefault(); 13541065685400335ef8c1220f34b4e896e7da603789Brad Fitzpatrick if (am == null) { 13551065685400335ef8c1220f34b4e896e7da603789Brad Fitzpatrick Log.d(TAG, "No activity manager; failed to Dropbox violation."); 13561065685400335ef8c1220f34b4e896e7da603789Brad Fitzpatrick } else { 13571065685400335ef8c1220f34b4e896e7da603789Brad Fitzpatrick am.handleApplicationStrictModeViolation( 13581065685400335ef8c1220f34b4e896e7da603789Brad Fitzpatrick RuntimeInit.getApplicationObject(), 13591065685400335ef8c1220f34b4e896e7da603789Brad Fitzpatrick violationMaskSubset, 13601065685400335ef8c1220f34b4e896e7da603789Brad Fitzpatrick info); 13611065685400335ef8c1220f34b4e896e7da603789Brad Fitzpatrick } 1362bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick } catch (RemoteException e) { 1363bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick Log.e(TAG, "RemoteException handling StrictMode violation", e); 1364bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick } 1365bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick int outstanding = sDropboxCallsInFlight.decrementAndGet(); 1366bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick if (LOG_V) Log.d(TAG, "Dropbox complete; in-flight=" + outstanding); 1367bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick } 1368bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick }.start(); 1369bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick } 1370bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick 13714b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom private static class AndroidCloseGuardReporter implements CloseGuard.Reporter { 13724b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom public void report (String message, Throwable allocationSite) { 13734b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom onVmPolicyViolation(message, allocationSite); 13744b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom } 13754b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom } 13764b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom 1377727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick /** 13785b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * Called from Parcel.writeNoException() 13795b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick */ 13805b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick /* package */ static boolean hasGatheredViolations() { 1381703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick return gatheredViolations.get() != null; 1382703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick } 1383703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick 1384703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick /** 1385703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick * Called from Parcel.writeException(), so we drop this memory and 1386703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick * don't incorrectly attribute it to the wrong caller on the next 1387703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick * Binder call on this thread. 1388703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick */ 1389703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick /* package */ static void clearGatheredViolations() { 1390703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick gatheredViolations.set(null); 13915b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 13925b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick 13935b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick /** 1394bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick * @hide 1395bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick */ 1396bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick public static void conditionallyCheckInstanceCounts() { 1397bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick VmPolicy policy = getVmPolicy(); 1398bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick if (policy.classInstanceLimit.size() == 0) { 1399bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick return; 1400bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick } 1401bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick Runtime.getRuntime().gc(); 1402bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick // Note: classInstanceLimit is immutable, so this is lock-free 14035f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick for (Map.Entry<Class, Integer> entry : policy.classInstanceLimit.entrySet()) { 14045f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick Class klass = entry.getKey(); 14055f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick int limit = entry.getValue(); 1406bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick long instances = VMDebug.countInstancesOfClass(klass, false); 1407bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick if (instances <= limit) { 1408bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick continue; 1409bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick } 1410bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick Throwable tr = new InstanceCountViolation(klass, instances, limit); 1411bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick onVmPolicyViolation(tr.getMessage(), tr); 1412bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick } 1413bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick } 1414bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick 1415bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick private static long sLastInstanceCountCheckMillis = 0; 14165f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick private static boolean sIsIdlerRegistered = false; // guarded by StrictMode.class 1417bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick private static final MessageQueue.IdleHandler sProcessIdleHandler = 1418bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick new MessageQueue.IdleHandler() { 1419bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick public boolean queueIdle() { 1420bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick long now = SystemClock.uptimeMillis(); 1421bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick if (now - sLastInstanceCountCheckMillis > 30 * 1000) { 1422bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick sLastInstanceCountCheckMillis = now; 1423bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick conditionallyCheckInstanceCounts(); 1424bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick } 1425bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick return true; 1426bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick } 1427bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick }; 1428bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick 1429bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick /** 143032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Sets the policy for what actions in the VM process (on any 143132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * thread) should be detected, as well as the penalty if such 143232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * actions occur. 143332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 143432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @param policy the policy to put into place 143532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 143632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static void setVmPolicy(final VmPolicy policy) { 14375f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick synchronized (StrictMode.class) { 14385f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick sVmPolicy = policy; 14395f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick sVmPolicyMask = policy.mask; 14405f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick setCloseGuardEnabled(vmClosableObjectLeaksEnabled()); 14415f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick 14425f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick Looper looper = Looper.getMainLooper(); 14435f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick if (looper != null) { 14445f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick MessageQueue mq = looper.mQueue; 1445c0bb0bb5e3425b77b6e7820ebe25fe72bdd07782Brad Fitzpatrick if (policy.classInstanceLimit.size() == 0 || 1446c0bb0bb5e3425b77b6e7820ebe25fe72bdd07782Brad Fitzpatrick (sVmPolicyMask & VM_PENALTY_MASK) == 0) { 1447bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick mq.removeIdleHandler(sProcessIdleHandler); 1448c0bb0bb5e3425b77b6e7820ebe25fe72bdd07782Brad Fitzpatrick sIsIdlerRegistered = false; 1449bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick } else if (!sIsIdlerRegistered) { 1450bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick mq.addIdleHandler(sProcessIdleHandler); 1451bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick sIsIdlerRegistered = true; 1452bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick } 1453bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick } 1454bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick } 145532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 145632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 145732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 145832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Gets the current VM policy. 145932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 146032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static VmPolicy getVmPolicy() { 14615f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick synchronized (StrictMode.class) { 14625f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick return sVmPolicy; 14635f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick } 146432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 146532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 146632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 146762a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick * Enable the recommended StrictMode defaults, with violations just being logged. 146862a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick * 146962a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick * <p>This catches disk and network access on the main thread, as 1470fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * well as leaked SQLite cursors and unclosed resources. This is 1471fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * simply a wrapper around {@link #setVmPolicy} and {@link 1472fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * #setThreadPolicy}. 147362a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick */ 147462a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick public static void enableDefaults() { 147562a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick StrictMode.setThreadPolicy(new StrictMode.ThreadPolicy.Builder() 147662a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick .detectAll() 147762a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick .penaltyLog() 147862a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick .build()); 147962a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick StrictMode.setVmPolicy(new StrictMode.VmPolicy.Builder() 1480e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick .detectAll() 148162a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick .penaltyLog() 148262a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick .build()); 148362a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick } 148462a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick 148562a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick /** 148632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @hide 148732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 148832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static boolean vmSqliteObjectLeaksEnabled() { 148932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return (sVmPolicyMask & DETECT_VM_CURSOR_LEAKS) != 0; 149032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 149132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 149232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 149332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @hide 149432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 1495fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom public static boolean vmClosableObjectLeaksEnabled() { 1496fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom return (sVmPolicyMask & DETECT_VM_CLOSABLE_LEAKS) != 0; 1497fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom } 1498fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom 1499fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom /** 1500fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * @hide 1501fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom */ 150232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static void onSqliteObjectLeaked(String message, Throwable originStack) { 15034b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom onVmPolicyViolation(message, originStack); 15044b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom } 15054b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom 150608d584cd1cba05284ccd2d0ea128c297624f0c47Steve Block /** 150708d584cd1cba05284ccd2d0ea128c297624f0c47Steve Block * @hide 150808d584cd1cba05284ccd2d0ea128c297624f0c47Steve Block */ 150908d584cd1cba05284ccd2d0ea128c297624f0c47Steve Block public static void onWebViewMethodCalledOnWrongThread(Throwable originStack) { 151008d584cd1cba05284ccd2d0ea128c297624f0c47Steve Block onVmPolicyViolation(null, originStack); 151108d584cd1cba05284ccd2d0ea128c297624f0c47Steve Block } 151208d584cd1cba05284ccd2d0ea128c297624f0c47Steve Block 1513bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick // Map from VM violation fingerprint to uptime millis. 1514bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick private static final HashMap<Integer, Long> sLastVmViolationTime = new HashMap<Integer, Long>(); 1515bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick 15164b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom /** 15174b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom * @hide 15184b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom */ 15194b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom public static void onVmPolicyViolation(String message, Throwable originStack) { 1520bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick final boolean penaltyDropbox = (sVmPolicyMask & PENALTY_DROPBOX) != 0; 1521bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick final boolean penaltyDeath = (sVmPolicyMask & PENALTY_DEATH) != 0; 1522bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick final boolean penaltyLog = (sVmPolicyMask & PENALTY_LOG) != 0; 1523bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick final ViolationInfo info = new ViolationInfo(originStack, sVmPolicyMask); 1524bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick 15255f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick // Erase stuff not relevant for process-wide violations 15265f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick info.numAnimationsRunning = 0; 15275f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick info.tags = null; 15285f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick info.broadcastIntentAction = null; 15295f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick 1530bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick final Integer fingerprint = info.hashCode(); 1531bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick final long now = SystemClock.uptimeMillis(); 1532bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick long lastViolationTime = 0; 1533bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick long timeSinceLastViolationMillis = Long.MAX_VALUE; 1534bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick synchronized (sLastVmViolationTime) { 1535bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick if (sLastVmViolationTime.containsKey(fingerprint)) { 1536bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick lastViolationTime = sLastVmViolationTime.get(fingerprint); 1537bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick timeSinceLastViolationMillis = now - lastViolationTime; 1538bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick } 1539bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick if (timeSinceLastViolationMillis > MIN_LOG_INTERVAL_MS) { 1540bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick sLastVmViolationTime.put(fingerprint, now); 1541bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick } 154232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 154332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 1544bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick if (penaltyLog && timeSinceLastViolationMillis > MIN_LOG_INTERVAL_MS) { 1545bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick Log.e(TAG, message, originStack); 1546bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick } 1547bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick 1548bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick int violationMaskSubset = PENALTY_DROPBOX | (ALL_VM_DETECT_BITS & sVmPolicyMask); 1549bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick 1550bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick if (penaltyDropbox && !penaltyDeath) { 1551bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick // Common case for userdebug/eng builds. If no death and 1552bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick // just dropboxing, we can do the ActivityManager call 1553bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick // asynchronously. 1554bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick dropboxViolationAsync(violationMaskSubset, info); 1555bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick return; 1556bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick } 155732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 1558bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick if (penaltyDropbox && lastViolationTime == 0) { 155932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // The violationMask, passed to ActivityManager, is a 156032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // subset of the original StrictMode policy bitmask, with 156132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // only the bit violated and penalty bits to be executed 156232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // by the ActivityManagerService remaining set. 156332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick final int savedPolicyMask = getThreadPolicyMask(); 156432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick try { 156532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // First, remove any policy before we call into the Activity Manager, 156632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // otherwise we'll infinite recurse as we try to log policy violations 156732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // to disk, thus violating policy, thus requiring logging, etc... 156832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // We restore the current policy below, in the finally block. 156932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick setThreadPolicyMask(0); 157032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 157132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick ActivityManagerNative.getDefault().handleApplicationStrictModeViolation( 157232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick RuntimeInit.getApplicationObject(), 157332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick violationMaskSubset, 157432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick info); 157532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } catch (RemoteException e) { 157632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick Log.e(TAG, "RemoteException trying to handle StrictMode violation", e); 157732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } finally { 157832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // Restore the policy. 157932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick setThreadPolicyMask(savedPolicyMask); 158032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 158132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 158232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 1583bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick if (penaltyDeath) { 158432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick System.err.println("StrictMode VmPolicy violation with POLICY_DEATH; shutting down."); 158532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick Process.killProcess(Process.myPid()); 158632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick System.exit(10); 158732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 158832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 158932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 159032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 15915b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * Called from Parcel.writeNoException() 15925b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick */ 15935b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick /* package */ static void writeGatheredViolationsToParcel(Parcel p) { 1594cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick ArrayList<ViolationInfo> violations = gatheredViolations.get(); 1595703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick if (violations == null) { 1596703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick p.writeInt(0); 1597703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick } else { 1598703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick p.writeInt(violations.size()); 1599703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick for (int i = 0; i < violations.size(); ++i) { 1600703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick violations.get(i).writeToParcel(p, 0 /* unused flags? */); 1601703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick } 1602703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick if (LOG_V) Log.d(TAG, "wrote violations to response parcel; num=" + violations.size()); 1603703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick violations.clear(); // somewhat redundant, as we're about to null the threadlocal 16045b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 1605703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick gatheredViolations.set(null); 16065b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 16075b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick 16085b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick private static class LogStackTrace extends Exception {} 16095b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick 16105b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick /** 16115b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * Called from Parcel.readException() when the exception is EX_STRICT_MODE_VIOLATIONS, 16125b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * we here read back all the encoded violations. 16135b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick */ 16145b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick /* package */ static void readAndHandleBinderCallViolations(Parcel p) { 16155b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick // Our own stack trace to append 16165b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick StringWriter sw = new StringWriter(); 1617cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick new LogStackTrace().printStackTrace(new PrintWriter(sw)); 16185b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick String ourStack = sw.toString(); 16195b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick 162032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick int policyMask = getThreadPolicyMask(); 1621cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick boolean currentlyGathering = (policyMask & PENALTY_GATHER) != 0; 16225b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick 16235b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick int numViolations = p.readInt(); 16245b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick for (int i = 0; i < numViolations; ++i) { 16255b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick if (LOG_V) Log.d(TAG, "strict mode violation stacks read from binder call. i=" + i); 1626cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick ViolationInfo info = new ViolationInfo(p, !currentlyGathering); 1627cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick info.crashInfo.stackTrace += "# via Binder call with stack:\n" + ourStack; 16285b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick BlockGuard.Policy policy = BlockGuard.getThreadPolicy(); 16295b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick if (policy instanceof AndroidBlockGuardPolicy) { 1630cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick ((AndroidBlockGuardPolicy) policy).handleViolationWithTimingAttempt(info); 16315b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 16325b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 16335b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 16345b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick 16355b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick /** 1636727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick * Called from android_util_Binder.cpp's 1637727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick * android_os_Parcel_enforceInterface when an incoming Binder call 1638727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick * requires changing the StrictMode policy mask. The role of this 1639727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick * function is to ask Binder for its current (native) thread-local 1640727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick * policy value and synchronize it to libcore's (Java) 1641727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick * thread-local policy value. 1642727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick */ 1643727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick private static void onBinderStrictModePolicyChange(int newPolicy) { 1644727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick setBlockGuardPolicy(newPolicy); 1645727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick } 1646cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 1647cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick /** 1648e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * A tracked, critical time span. (e.g. during an animation.) 1649e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * 1650e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * The object itself is a linked list node, to avoid any allocations 1651e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * during rapid span entries and exits. 1652e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * 1653e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * @hide 1654e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick */ 1655e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick public static class Span { 1656e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick private String mName; 1657e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick private long mCreateMillis; 1658e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick private Span mNext; 1659e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick private Span mPrev; // not used when in freeList, only active 1660e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick private final ThreadSpanState mContainerState; 1661e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick 1662e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick Span(ThreadSpanState threadState) { 1663e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick mContainerState = threadState; 1664e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1665e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick 16661181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick // Empty constructor for the NO_OP_SPAN 16671181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick protected Span() { 16681181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick mContainerState = null; 16691181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick } 16701181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick 1671e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick /** 1672e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * To be called when the critical span is complete (i.e. the 1673e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * animation is done animating). This can be called on any 1674e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * thread (even a different one from where the animation was 1675e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * taking place), but that's only a defensive implementation 1676e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * measure. It really makes no sense for you to call this on 1677e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * thread other than that where you created it. 1678e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * 1679e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * @hide 1680e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick */ 1681e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick public void finish() { 1682e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick ThreadSpanState state = mContainerState; 1683e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick synchronized (state) { 1684e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick if (mName == null) { 1685e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick // Duplicate finish call. Ignore. 1686e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick return; 1687e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1688e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick 1689e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick // Remove ourselves from the active list. 1690e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick if (mPrev != null) { 1691e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick mPrev.mNext = mNext; 1692e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1693e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick if (mNext != null) { 1694e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick mNext.mPrev = mPrev; 1695e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1696e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick if (state.mActiveHead == this) { 1697e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick state.mActiveHead = mNext; 1698e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1699e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick 17001cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick state.mActiveSize--; 17011cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick 17021cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick if (LOG_V) Log.d(TAG, "Span finished=" + mName + "; size=" + state.mActiveSize); 17031cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick 1704e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick this.mCreateMillis = -1; 1705e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick this.mName = null; 1706e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick this.mPrev = null; 1707e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick this.mNext = null; 1708e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick 1709e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick // Add ourselves to the freeList, if it's not already 1710e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick // too big. 1711e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick if (state.mFreeListSize < 5) { 1712e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick this.mNext = state.mFreeListHead; 1713e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick state.mFreeListHead = this; 1714e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick state.mFreeListSize++; 1715e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1716e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1717e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1718e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1719e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick 17201181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick // The no-op span that's used in user builds. 17211181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick private static final Span NO_OP_SPAN = new Span() { 17221181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick public void finish() { 17231181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick // Do nothing. 17241181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick } 17251181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick }; 17261181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick 1727e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick /** 1728e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * Linked lists of active spans and a freelist. 1729e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * 1730e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * Locking notes: there's one of these structures per thread and 1731e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * all members of this structure (as well as the Span nodes under 1732e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * it) are guarded by the ThreadSpanState object instance. While 1733e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * in theory there'd be no locking required because it's all local 1734e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * per-thread, the finish() method above is defensive against 1735e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * people calling it on a different thread from where they created 1736e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * the Span, hence the locking. 1737e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick */ 1738e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick private static class ThreadSpanState { 1739e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick public Span mActiveHead; // doubly-linked list. 1740e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick public int mActiveSize; 1741e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick public Span mFreeListHead; // singly-linked list. only changes at head. 1742e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick public int mFreeListSize; 1743e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1744e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick 1745e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick private static final ThreadLocal<ThreadSpanState> sThisThreadSpanState = 1746e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick new ThreadLocal<ThreadSpanState>() { 1747e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick @Override protected ThreadSpanState initialValue() { 1748e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick return new ThreadSpanState(); 1749e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1750e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick }; 1751e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick 1752cdcb73ef781b8f7d37d9f758409a0c7671517b37Brad Fitzpatrick private static Singleton<IWindowManager> sWindowManager = new Singleton<IWindowManager>() { 1753cdcb73ef781b8f7d37d9f758409a0c7671517b37Brad Fitzpatrick protected IWindowManager create() { 1754cdcb73ef781b8f7d37d9f758409a0c7671517b37Brad Fitzpatrick return IWindowManager.Stub.asInterface(ServiceManager.getService("window")); 1755cdcb73ef781b8f7d37d9f758409a0c7671517b37Brad Fitzpatrick } 1756cdcb73ef781b8f7d37d9f758409a0c7671517b37Brad Fitzpatrick }; 1757cdcb73ef781b8f7d37d9f758409a0c7671517b37Brad Fitzpatrick 1758e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick /** 1759e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * Enter a named critical span (e.g. an animation) 1760e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * 1761e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * <p>The name is an arbitary label (or tag) that will be applied 1762e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * to any strictmode violation that happens while this span is 1763e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * active. You must call finish() on the span when done. 1764e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * 1765e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * <p>This will never return null, but on devices without debugging 1766e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * enabled, this may return a dummy object on which the finish() 1767e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * method is a no-op. 1768e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * 1769e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * <p>TODO: add CloseGuard to this, verifying callers call finish. 1770e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * 1771e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * @hide 1772e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick */ 1773e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick public static Span enterCriticalSpan(String name) { 17741181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick if (IS_USER_BUILD) { 17751181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick return NO_OP_SPAN; 17761181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick } 1777e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick if (name == null || name.isEmpty()) { 1778e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick throw new IllegalArgumentException("name must be non-null and non-empty"); 1779e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1780e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick ThreadSpanState state = sThisThreadSpanState.get(); 1781e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick Span span = null; 1782e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick synchronized (state) { 1783e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick if (state.mFreeListHead != null) { 1784e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick span = state.mFreeListHead; 1785e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick state.mFreeListHead = span.mNext; 1786e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick state.mFreeListSize--; 1787e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } else { 1788e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick // Shouldn't have to do this often. 1789e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick span = new Span(state); 1790e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1791e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick span.mName = name; 1792e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick span.mCreateMillis = SystemClock.uptimeMillis(); 1793e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick span.mNext = state.mActiveHead; 1794e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick span.mPrev = null; 1795e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick state.mActiveHead = span; 1796e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick state.mActiveSize++; 1797e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick if (span.mNext != null) { 1798e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick span.mNext.mPrev = span; 1799e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 18001cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick if (LOG_V) Log.d(TAG, "Span enter=" + name + "; size=" + state.mActiveSize); 1801e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1802e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick return span; 1803e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1804e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick 1805e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick /** 1806e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick * For code to note that it's slow. This is a no-op unless the 1807e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick * current thread's {@link android.os.StrictMode.ThreadPolicy} has 1808e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick * {@link android.os.StrictMode.ThreadPolicy.Builder#detectCustomSlowCalls} 1809e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick * enabled. 1810e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick * 1811e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick * @param name a short string for the exception stack trace that's 1812e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick * built if when this fires. 1813e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick */ 1814e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick public static void noteSlowCall(String name) { 1815e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick BlockGuard.Policy policy = BlockGuard.getThreadPolicy(); 1816e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick if (!(policy instanceof AndroidBlockGuardPolicy)) { 1817e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick // StrictMode not enabled. 1818e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick return; 1819e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick } 1820e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick ((AndroidBlockGuardPolicy) policy).onCustomSlowCall(name); 1821e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick } 1822e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick 1823e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick /** 18244e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick * @hide 18254e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick */ 18264e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick public static void noteDiskRead() { 18274e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick BlockGuard.Policy policy = BlockGuard.getThreadPolicy(); 18284e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick if (!(policy instanceof AndroidBlockGuardPolicy)) { 18294e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick // StrictMode not enabled. 18304e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick return; 18314e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick } 18324e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick ((AndroidBlockGuardPolicy) policy).onReadFromDisk(); 18334e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick } 18344e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick 18354e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick /** 18364e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick * @hide 18374e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick */ 18384e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick public static void noteDiskWrite() { 18394e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick BlockGuard.Policy policy = BlockGuard.getThreadPolicy(); 18404e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick if (!(policy instanceof AndroidBlockGuardPolicy)) { 18414e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick // StrictMode not enabled. 18424e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick return; 18434e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick } 18444e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick ((AndroidBlockGuardPolicy) policy).onWriteToDisk(); 18454e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick } 18464e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick 18475f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick // Guarded by StrictMode.class 18485f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick private static final HashMap<Class, Integer> sExpectedActivityInstanceCount = 18495f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick new HashMap<Class, Integer>(); 18505f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick 18514e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick /** 18527e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown * Returns an object that is used to track instances of activites. 18537e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown * The activity should store a reference to the tracker object in one of its fields. 18547e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown * @hide 18557e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown */ 18567e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown public static Object trackActivity(Object instance) { 18577e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown return new InstanceTracker(instance); 18587e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown } 18597e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown 18607e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown /** 1861758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick * @hide 1862758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick */ 18635f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick public static void incrementExpectedActivityCount(Class klass) { 18647e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown if (klass == null) { 1865758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick return; 1866758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick } 18677e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown 18685f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick synchronized (StrictMode.class) { 18697e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown if ((sVmPolicy.mask & DETECT_VM_ACTIVITY_LEAKS) == 0) { 18707e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown return; 18717e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown } 18727e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown 18735f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick Integer expected = sExpectedActivityInstanceCount.get(klass); 18745f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick Integer newExpected = expected == null ? 1 : expected + 1; 18755f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick sExpectedActivityInstanceCount.put(klass, newExpected); 18765f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick } 18775f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick } 18785f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick 18795f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick /** 18805f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick * @hide 18815f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick */ 18825f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick public static void decrementExpectedActivityCount(Class klass) { 18837e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown if (klass == null) { 1884758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick return; 1885758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick } 18867e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown 18877e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown final int limit; 18885f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick synchronized (StrictMode.class) { 18897e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown if ((sVmPolicy.mask & DETECT_VM_ACTIVITY_LEAKS) == 0) { 18907e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown return; 18917e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown } 18927e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown 18935f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick Integer expected = sExpectedActivityInstanceCount.get(klass); 18947e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown int newExpected = (expected == null || expected == 0) ? 0 : expected - 1; 18955f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick if (newExpected == 0) { 18965f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick sExpectedActivityInstanceCount.remove(klass); 18975f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick } else { 18985f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick sExpectedActivityInstanceCount.put(klass, newExpected); 18995f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick } 19007e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown 19015f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick // Note: adding 1 here to give some breathing room during 19025f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick // orientation changes. (shouldn't be necessary, though?) 19037e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown limit = newExpected + 1; 19045f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick } 19055f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick 19067e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown // Quick check. 19077e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown int actual = InstanceTracker.getInstanceCount(klass); 19087e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown if (actual <= limit) { 19097e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown return; 19107e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown } 19117e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown 19127e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown // Do a GC and explicit count to double-check. 19137e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown // This is the work that we are trying to avoid by tracking the object instances 19147e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown // explicity. Running an explicit GC can be expensive (80ms) and so can walking 19157e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown // the heap to count instance (30ms). This extra work can make the system feel 19167e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown // noticeably less responsive during orientation changes when activities are 19177e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown // being restarted. Granted, it is only a problem when StrictMode is enabled 19187e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown // but it is annoying. 19197e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown Runtime.getRuntime().gc(); 19207e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown 19217e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown long instances = VMDebug.countInstancesOfClass(klass, false); 19227e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown if (instances > limit) { 19237e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown Throwable tr = new InstanceCountViolation(klass, instances, limit); 19247e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown onVmPolicyViolation(tr.getMessage(), tr); 19255f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick } 1926758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick } 1927758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick 1928758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick /** 1929cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * Parcelable that gets sent in Binder call headers back to callers 1930cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * to report violations that happened during a cross-process call. 1931cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * 1932cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * @hide 1933cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick */ 1934cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick public static class ViolationInfo { 1935cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick /** 1936cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * Stack and other stuff info. 1937cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick */ 1938cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick public final ApplicationErrorReport.CrashInfo crashInfo; 1939cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 1940cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick /** 1941cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * The strict mode policy mask at the time of violation. 1942cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick */ 1943cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick public final int policy; 1944cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 1945cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick /** 1946cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * The wall time duration of the violation, when known. -1 when 1947cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * not known. 1948cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick */ 1949cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick public int durationMillis = -1; 1950cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 1951cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick /** 1952599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick * The number of animations currently running. 1953599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick */ 1954599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick public int numAnimationsRunning = 0; 1955599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick 1956599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick /** 1957e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * List of tags from active Span instances during this 1958e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * violation, or null for none. 1959e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick */ 1960e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick public String[] tags; 1961e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick 1962e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick /** 1963cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * Which violation number this was (1-based) since the last Looper loop, 1964cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * from the perspective of the root caller (if it crossed any processes 1965cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * via Binder calls). The value is 0 if the root caller wasn't on a Looper 1966cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * thread. 1967cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick */ 1968cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick public int violationNumThisLoop; 1969cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 1970cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick /** 1971cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * The time (in terms of SystemClock.uptimeMillis()) that the 1972cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * violation occurred. 1973cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick */ 1974cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick public long violationUptimeMillis; 1975cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 1976cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick /** 1977bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick * The action of the Intent being broadcast to somebody's onReceive 1978bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick * on this thread right now, or null. 1979bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick */ 1980bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick public String broadcastIntentAction; 1981bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick 1982bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick /** 1983bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick * If this is a instance count violation, the number of instances in memory, 1984bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick * else -1. 1985bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick */ 1986bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick public long numInstances = -1; 1987bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick 1988bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick /** 1989cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * Create an uninitialized instance of ViolationInfo 1990cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick */ 1991cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick public ViolationInfo() { 1992cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick crashInfo = null; 1993cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick policy = 0; 1994cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 1995cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 1996cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick /** 1997cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * Create an instance of ViolationInfo initialized from an exception. 1998cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick */ 1999cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick public ViolationInfo(Throwable tr, int policy) { 2000cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick crashInfo = new ApplicationErrorReport.CrashInfo(tr); 2001cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick violationUptimeMillis = SystemClock.uptimeMillis(); 2002cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick this.policy = policy; 2003599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick this.numAnimationsRunning = ValueAnimator.getCurrentAnimationsCount(); 2004bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick Intent broadcastIntent = ActivityThread.getIntentBeingBroadcast(); 2005bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick if (broadcastIntent != null) { 2006bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick broadcastIntentAction = broadcastIntent.getAction(); 2007bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick } 2008e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick ThreadSpanState state = sThisThreadSpanState.get(); 2009bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick if (tr instanceof InstanceCountViolation) { 2010bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick this.numInstances = ((InstanceCountViolation) tr).mInstances; 2011bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick } 2012e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick synchronized (state) { 2013e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick int spanActiveCount = state.mActiveSize; 2014e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick if (spanActiveCount > MAX_SPAN_TAGS) { 2015e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick spanActiveCount = MAX_SPAN_TAGS; 2016e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 2017e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick if (spanActiveCount != 0) { 2018e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick this.tags = new String[spanActiveCount]; 2019e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick Span iter = state.mActiveHead; 2020e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick int index = 0; 2021e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick while (iter != null && index < spanActiveCount) { 2022e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick this.tags[index] = iter.mName; 2023e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick index++; 2024e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick iter = iter.mNext; 2025e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 2026e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 2027e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 2028cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 2029cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 2030f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick @Override 2031f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick public int hashCode() { 2032f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick int result = 17; 2033f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick result = 37 * result + crashInfo.stackTrace.hashCode(); 2034f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick if (numAnimationsRunning != 0) { 2035f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick result *= 37; 2036f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick } 2037f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick if (broadcastIntentAction != null) { 2038f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick result = 37 * result + broadcastIntentAction.hashCode(); 2039f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick } 2040f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick if (tags != null) { 2041f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick for (String tag : tags) { 2042f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick result = 37 * result + tag.hashCode(); 2043f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick } 2044f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick } 2045f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick return result; 2046f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick } 2047f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick 2048cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick /** 2049cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * Create an instance of ViolationInfo initialized from a Parcel. 2050cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick */ 2051cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick public ViolationInfo(Parcel in) { 2052cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick this(in, false); 2053cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 2054cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 2055cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick /** 2056cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * Create an instance of ViolationInfo initialized from a Parcel. 2057cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * 2058cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * @param unsetGatheringBit if true, the caller is the root caller 2059cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * and the gathering penalty should be removed. 2060cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick */ 2061cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick public ViolationInfo(Parcel in, boolean unsetGatheringBit) { 2062cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick crashInfo = new ApplicationErrorReport.CrashInfo(in); 2063cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick int rawPolicy = in.readInt(); 2064cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if (unsetGatheringBit) { 2065cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick policy = rawPolicy & ~PENALTY_GATHER; 2066cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } else { 2067cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick policy = rawPolicy; 2068cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 2069cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick durationMillis = in.readInt(); 2070cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick violationNumThisLoop = in.readInt(); 2071599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick numAnimationsRunning = in.readInt(); 2072cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick violationUptimeMillis = in.readLong(); 2073bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick numInstances = in.readLong(); 2074bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick broadcastIntentAction = in.readString(); 2075e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick tags = in.readStringArray(); 2076cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 2077cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 2078cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick /** 2079cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * Save a ViolationInfo instance to a parcel. 2080cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick */ 2081cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick public void writeToParcel(Parcel dest, int flags) { 2082cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick crashInfo.writeToParcel(dest, flags); 2083cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick dest.writeInt(policy); 2084cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick dest.writeInt(durationMillis); 2085cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick dest.writeInt(violationNumThisLoop); 2086599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick dest.writeInt(numAnimationsRunning); 2087cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick dest.writeLong(violationUptimeMillis); 2088bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick dest.writeLong(numInstances); 2089bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick dest.writeString(broadcastIntentAction); 2090e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick dest.writeStringArray(tags); 2091cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 2092cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 2093cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 2094cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick /** 2095cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * Dump a ViolationInfo instance to a Printer. 2096cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick */ 2097cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick public void dump(Printer pw, String prefix) { 2098cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick crashInfo.dump(pw, prefix); 2099cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick pw.println(prefix + "policy: " + policy); 2100cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if (durationMillis != -1) { 2101cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick pw.println(prefix + "durationMillis: " + durationMillis); 2102cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 2103bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick if (numInstances != -1) { 2104bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick pw.println(prefix + "numInstances: " + numInstances); 2105bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick } 2106cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if (violationNumThisLoop != 0) { 2107cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick pw.println(prefix + "violationNumThisLoop: " + violationNumThisLoop); 2108cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 2109599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick if (numAnimationsRunning != 0) { 2110599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick pw.println(prefix + "numAnimationsRunning: " + numAnimationsRunning); 2111599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick } 2112cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick pw.println(prefix + "violationUptimeMillis: " + violationUptimeMillis); 2113bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick if (broadcastIntentAction != null) { 2114bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick pw.println(prefix + "broadcastIntentAction: " + broadcastIntentAction); 2115bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick } 2116e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick if (tags != null) { 2117e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick int index = 0; 2118e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick for (String tag : tags) { 2119e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick pw.println(prefix + "tag[" + (index++) + "]: " + tag); 2120e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 2121e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 2122cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 2123cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 2124cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 2125bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick 2126bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick // Dummy throwable, for now, since we don't know when or where the 2127bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick // leaked instances came from. We might in the future, but for 2128bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick // now we suppress the stack trace because it's useless and/or 2129bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick // misleading. 2130bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick private static class InstanceCountViolation extends Throwable { 2131bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick final Class mClass; 2132bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick final long mInstances; 2133bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick final int mLimit; 2134bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick 21355f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick private static final StackTraceElement[] FAKE_STACK = { 21365f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick new StackTraceElement("android.os.StrictMode", "setClassInstanceLimit", 21375f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick "StrictMode.java", 1) 21385f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick }; 2139bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick 2140bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick public InstanceCountViolation(Class klass, long instances, int limit) { 21415f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick super(klass.toString() + "; instances=" + instances + "; limit=" + limit); 2142bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick setStackTrace(FAKE_STACK); 2143bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick mClass = klass; 2144bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick mInstances = instances; 2145bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick mLimit = limit; 2146bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick } 2147bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick } 21487e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown 21497e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown private static final class InstanceTracker { 21507e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown private static final HashMap<Class<?>, Integer> sInstanceCounts = 21517e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown new HashMap<Class<?>, Integer>(); 21527e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown 21537e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown private final Class<?> mKlass; 21547e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown 21557e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown public InstanceTracker(Object instance) { 21567e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown mKlass = instance.getClass(); 21577e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown 21587e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown synchronized (sInstanceCounts) { 21597e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown final Integer value = sInstanceCounts.get(mKlass); 21607e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown final int newValue = value != null ? value + 1 : 1; 21617e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown sInstanceCounts.put(mKlass, newValue); 21627e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown } 21637e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown } 21647e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown 21657e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown @Override 21667e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown protected void finalize() throws Throwable { 21677e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown try { 21687e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown synchronized (sInstanceCounts) { 21697e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown final Integer value = sInstanceCounts.get(mKlass); 21707e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown if (value != null) { 21717e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown final int newValue = value - 1; 21727e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown if (newValue > 0) { 21737e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown sInstanceCounts.put(mKlass, newValue); 21747e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown } else { 21757e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown sInstanceCounts.remove(mKlass); 21767e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown } 21777e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown } 21787e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown } 21797e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown } finally { 21807e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown super.finalize(); 21817e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown } 21827e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown } 21837e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown 21847e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown public static int getInstanceCount(Class<?> klass) { 21857e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown synchronized (sInstanceCounts) { 21867e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown final Integer value = sInstanceCounts.get(klass); 21877e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown return value != null ? value : 0; 21887e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown } 21897e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown } 21907e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown } 2191438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick} 2192