StrictMode.java revision 0fa30372c7768692f9deef3e33655382e8a683fd
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; 23d7026f1612a7c1e8cc9b484038fa99b7fc29cfd7Jeff Sharkeyimport android.content.BroadcastReceiver; 24d7026f1612a7c1e8cc9b484038fa99b7fc29cfd7Jeff Sharkeyimport android.content.Context; 25bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrickimport android.content.Intent; 26d7026f1612a7c1e8cc9b484038fa99b7fc29cfd7Jeff Sharkeyimport android.content.ServiceConnection; 27438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrickimport android.util.Log; 28cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrickimport android.util.Printer; 29cdcb73ef781b8f7d37d9f758409a0c7671517b37Brad Fitzpatrickimport android.util.Singleton; 306804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrickimport android.view.IWindowManager; 31438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 32438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrickimport com.android.internal.os.RuntimeInit; 33438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 34438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrickimport dalvik.system.BlockGuard; 35fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstromimport dalvik.system.CloseGuard; 36bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrickimport dalvik.system.VMDebug; 37438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 385b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrickimport java.io.PrintWriter; 395b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrickimport java.io.StringWriter; 405b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrickimport java.util.ArrayList; 4146d42387464a651268648659e91d022566d4844cBrad Fitzpatrickimport java.util.HashMap; 425f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrickimport java.util.Map; 43bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrickimport java.util.concurrent.atomic.AtomicInteger; 4446d42387464a651268648659e91d022566d4844cBrad Fitzpatrick 45438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick/** 4632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>StrictMode is a developer tool which detects things you might be 4732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * doing by accident and brings them to your attention so you can fix 4832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * them. 4915ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * 5015ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * <p>StrictMode is most commonly used to catch accidental disk or 5115ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * network access on the application's main thread, where UI 5215ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * operations are received and animations take place. Keeping disk 5315ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * and network operations off the main thread makes for much smoother, 549fc2fc5757a3d28d098bd2b0ad0f869a3cf3fa14Brad Fitzpatrick * more responsive applications. By keeping your application's main thread 559fc2fc5757a3d28d098bd2b0ad0f869a3cf3fa14Brad Fitzpatrick * responsive, you also prevent 569fc2fc5757a3d28d098bd2b0ad0f869a3cf3fa14Brad Fitzpatrick * <a href="{@docRoot}guide/practices/design/responsiveness.html">ANR dialogs</a> 579fc2fc5757a3d28d098bd2b0ad0f869a3cf3fa14Brad Fitzpatrick * from being shown to users. 5815ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * 5915ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * <p class="note">Note that even though an Android device's disk is 6015ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * often on flash memory, many devices run a filesystem on top of that 6115ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * memory with very limited concurrency. It's often the case that 6215ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * almost all disk accesses are fast, but may in individual cases be 6315ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * dramatically slower when certain I/O is happening in the background 6415ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * from other processes. If possible, it's best to assume that such 6515ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * things are not fast.</p> 6615ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * 6715ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * <p>Example code to enable from early in your 6815ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * {@link android.app.Application}, {@link android.app.Activity}, or 6915ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * other application component's 7015ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * {@link android.app.Application#onCreate} method: 7115ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * 7215ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * <pre> 7315ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * public void onCreate() { 7415ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * if (DEVELOPER_MODE) { 7532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * StrictMode.setThreadPolicy(new {@link ThreadPolicy.Builder StrictMode.ThreadPolicy.Builder}() 7632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .detectDiskReads() 7732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .detectDiskWrites() 7832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .detectNetwork() // or .detectAll() for all detectable problems 7932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .penaltyLog() 8032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .build()); 8132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * StrictMode.setVmPolicy(new {@link VmPolicy.Builder StrictMode.VmPolicy.Builder}() 8262a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick * .detectLeakedSqlLiteObjects() 83fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * .detectLeakedClosableObjects() 8432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .penaltyLog() 8532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .penaltyDeath() 8632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .build()); 8715ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * } 8815ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * super.onCreate(); 8915ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * } 9015ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * </pre> 9115ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * 9232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>You can decide what should happen when a violation is detected. 9332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * For example, using {@link ThreadPolicy.Builder#penaltyLog} you can 9432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * watch the output of <code>adb logcat</code> while you use your 9532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * application to see the violations as they happen. 9615ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * 9715ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * <p>If you find violations that you feel are problematic, there are 9815ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * a variety of tools to help solve them: threads, {@link android.os.Handler}, 9915ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * {@link android.os.AsyncTask}, {@link android.app.IntentService}, etc. 10015ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * But don't feel compelled to fix everything that StrictMode finds. In particular, 10132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * many cases of disk access are often necessary during the normal activity lifecycle. Use 10232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * StrictMode to find things you did by accident. Network requests on the UI thread 10315ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * are almost always a problem, though. 10415ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * 10515ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * <p class="note">StrictMode is not a security mechanism and is not 10615ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * guaranteed to find all disk or network accesses. While it does 10715ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * propagate its state across process boundaries when doing 10815ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * {@link android.os.Binder} calls, it's still ultimately a best 10915ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * effort mechanism. Notably, disk or network access from JNI calls 11015ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * won't necessarily trigger it. Future versions of Android may catch 11115ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * more (or fewer) operations, so you should never leave StrictMode 1124d7bc65538c7cd9fbb1fbbcf22d1da47fcee1219Dirk Dougherty * enabled in applications distributed on Google Play. 113438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick */ 114438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrickpublic final class StrictMode { 115438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick private static final String TAG = "StrictMode"; 11682829ef3b7c72bee36d8c17b36ac565f1856a310Brad Fitzpatrick private static final boolean LOG_V = Log.isLoggable(TAG, Log.VERBOSE); 117438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 1181181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick private static final boolean IS_USER_BUILD = "user".equals(Build.TYPE); 1196804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick private static final boolean IS_ENG_BUILD = "eng".equals(Build.TYPE); 1201181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick 121c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick /** 122bc6f0ce8be64a74b695fb21dab5f4805b68dce16Christopher Tate * Boolean system property to disable strict mode checks outright. 123bc6f0ce8be64a74b695fb21dab5f4805b68dce16Christopher Tate * Set this to 'true' to force disable; 'false' has no effect on other 124bc6f0ce8be64a74b695fb21dab5f4805b68dce16Christopher Tate * enable/disable policy. 125bc6f0ce8be64a74b695fb21dab5f4805b68dce16Christopher Tate * @hide 126bc6f0ce8be64a74b695fb21dab5f4805b68dce16Christopher Tate */ 127bc6f0ce8be64a74b695fb21dab5f4805b68dce16Christopher Tate public static final String DISABLE_PROPERTY = "persist.sys.strictmode.disable"; 128bc6f0ce8be64a74b695fb21dab5f4805b68dce16Christopher Tate 129bc6f0ce8be64a74b695fb21dab5f4805b68dce16Christopher Tate /** 130c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick * The boolean system property to control screen flashes on violations. 131c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick * 132c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick * @hide 133c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick */ 134c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick public static final String VISUAL_PROPERTY = "persist.sys.strictmode.visual"; 135c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick 13646d42387464a651268648659e91d022566d4844cBrad Fitzpatrick // Only log a duplicate stack trace to the logs every second. 13746d42387464a651268648659e91d022566d4844cBrad Fitzpatrick private static final long MIN_LOG_INTERVAL_MS = 1000; 13846d42387464a651268648659e91d022566d4844cBrad Fitzpatrick 13946d42387464a651268648659e91d022566d4844cBrad Fitzpatrick // Only show an annoying dialog at most every 30 seconds 14046d42387464a651268648659e91d022566d4844cBrad Fitzpatrick private static final long MIN_DIALOG_INTERVAL_MS = 30000; 14146d42387464a651268648659e91d022566d4844cBrad Fitzpatrick 142e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick // How many Span tags (e.g. animations) to report. 143e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick private static final int MAX_SPAN_TAGS = 20; 144e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick 145191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick // How many offending stacks to keep track of (and time) per loop 146191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick // of the Looper. 147191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick private static final int MAX_OFFENSES_PER_LOOP = 10; 148191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick 14932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // Thread-policy: 150438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 15115ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick /** 15232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @hide 15315ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick */ 15432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static final int DETECT_DISK_WRITE = 0x01; // for ThreadPolicy 15515ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick 15615ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick /** 15732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @hide 15815ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick */ 15932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static final int DETECT_DISK_READ = 0x02; // for ThreadPolicy 16015ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick 16115ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick /** 16232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @hide 16315ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick */ 16432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static final int DETECT_NETWORK = 0x04; // for ThreadPolicy 165438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 166e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick /** 167e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick * For StrictMode.noteSlowCall() 168e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick * 169e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick * @hide 170e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick */ 171e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick public static final int DETECT_CUSTOM = 0x08; // for ThreadPolicy 172e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick 173e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick private static final int ALL_THREAD_DETECT_BITS = 174e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick DETECT_DISK_WRITE | DETECT_DISK_READ | DETECT_NETWORK | DETECT_CUSTOM; 175e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick 17632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // Process-policy: 177438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 178438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick /** 17932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Note, a "VM_" bit, not thread. 18032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @hide 18132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 182758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick public static final int DETECT_VM_CURSOR_LEAKS = 0x200; // for VmPolicy 18332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 18432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 185fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * Note, a "VM_" bit, not thread. 186fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * @hide 187fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom */ 188758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick public static final int DETECT_VM_CLOSABLE_LEAKS = 0x400; // for VmPolicy 189758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick 190758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick /** 191758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick * Note, a "VM_" bit, not thread. 192758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick * @hide 193758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick */ 194758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick public static final int DETECT_VM_ACTIVITY_LEAKS = 0x800; // for VmPolicy 195fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom 196fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom /** 19732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @hide 198438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick */ 199bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick private static final int DETECT_VM_INSTANCE_LEAKS = 0x1000; // for VmPolicy 200bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick 201d7026f1612a7c1e8cc9b484038fa99b7fc29cfd7Jeff Sharkey /** 202d7026f1612a7c1e8cc9b484038fa99b7fc29cfd7Jeff Sharkey * @hide 203d7026f1612a7c1e8cc9b484038fa99b7fc29cfd7Jeff Sharkey */ 204d7026f1612a7c1e8cc9b484038fa99b7fc29cfd7Jeff Sharkey public static final int DETECT_VM_REGISTRATION_LEAKS = 0x2000; // for VmPolicy 205d7026f1612a7c1e8cc9b484038fa99b7fc29cfd7Jeff Sharkey 206a14acd20b8d563319ea1a5974dca0e9a29f0aaefJeff Sharkey /** 207a14acd20b8d563319ea1a5974dca0e9a29f0aaefJeff Sharkey * @hide 208a14acd20b8d563319ea1a5974dca0e9a29f0aaefJeff Sharkey */ 209a14acd20b8d563319ea1a5974dca0e9a29f0aaefJeff Sharkey private static final int DETECT_VM_FILE_URI_EXPOSURE = 0x4000; // for VmPolicy 210a14acd20b8d563319ea1a5974dca0e9a29f0aaefJeff Sharkey 211bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick private static final int ALL_VM_DETECT_BITS = 212bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick DETECT_VM_CURSOR_LEAKS | DETECT_VM_CLOSABLE_LEAKS | 213d7026f1612a7c1e8cc9b484038fa99b7fc29cfd7Jeff Sharkey DETECT_VM_ACTIVITY_LEAKS | DETECT_VM_INSTANCE_LEAKS | 214a14acd20b8d563319ea1a5974dca0e9a29f0aaefJeff Sharkey DETECT_VM_REGISTRATION_LEAKS | DETECT_VM_FILE_URI_EXPOSURE; 215bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick 216bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick /** 217bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick * @hide 218bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick */ 219438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick public static final int PENALTY_LOG = 0x10; // normal android.util.Log 220438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 22132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // Used for both process and thread policy: 22232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 223438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick /** 22432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @hide 225438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick */ 226438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick public static final int PENALTY_DIALOG = 0x20; 227438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 228438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick /** 229b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * Death on any detected violation. 230b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * 23132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @hide 232438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick */ 233438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick public static final int PENALTY_DEATH = 0x40; 234438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 235438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick /** 236b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * Death just for detected network usage. 237b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * 238b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * @hide 239b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick */ 240b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick public static final int PENALTY_DEATH_ON_NETWORK = 0x200; 241b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick 242b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick /** 2436804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick * Flash the screen during violations. 2446804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick * 2456804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick * @hide 2466804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick */ 2476804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick public static final int PENALTY_FLASH = 0x800; 2486804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick 2496804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick /** 25032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @hide 251438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick */ 252438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick public static final int PENALTY_DROPBOX = 0x80; 253438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 254727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick /** 255727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick * Non-public penalty mode which overrides all the other penalty 256727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick * bits and signals that we're in a Binder call and we should 257727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick * ignore the other penalty bits and instead serialize back all 258727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick * our offending stack traces to the caller to ultimately handle 259727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick * in the originating process. 260727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick * 261703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick * This must be kept in sync with the constant in libs/binder/Parcel.cpp 262703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick * 263727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick * @hide 264727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick */ 265727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick public static final int PENALTY_GATHER = 0x100; 266727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick 26732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 268c0bb0bb5e3425b77b6e7820ebe25fe72bdd07782Brad Fitzpatrick * Mask of all the penalty bits valid for thread policies. 26971678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick */ 270c0bb0bb5e3425b77b6e7820ebe25fe72bdd07782Brad Fitzpatrick private static final int THREAD_PENALTY_MASK = 271b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick PENALTY_LOG | PENALTY_DIALOG | PENALTY_DEATH | PENALTY_DROPBOX | PENALTY_GATHER | 2726804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick PENALTY_DEATH_ON_NETWORK | PENALTY_FLASH; 27371678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick 274758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick 275c0bb0bb5e3425b77b6e7820ebe25fe72bdd07782Brad Fitzpatrick /** 276c0bb0bb5e3425b77b6e7820ebe25fe72bdd07782Brad Fitzpatrick * Mask of all the penalty bits valid for VM policies. 277c0bb0bb5e3425b77b6e7820ebe25fe72bdd07782Brad Fitzpatrick */ 278c0bb0bb5e3425b77b6e7820ebe25fe72bdd07782Brad Fitzpatrick private static final int VM_PENALTY_MASK = 279c0bb0bb5e3425b77b6e7820ebe25fe72bdd07782Brad Fitzpatrick PENALTY_LOG | PENALTY_DEATH | PENALTY_DROPBOX; 280c0bb0bb5e3425b77b6e7820ebe25fe72bdd07782Brad Fitzpatrick 281c0bb0bb5e3425b77b6e7820ebe25fe72bdd07782Brad Fitzpatrick 282758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick // TODO: wrap in some ImmutableHashMap thing. 283758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick // Note: must be before static initialization of sVmPolicy. 284758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick private static final HashMap<Class, Integer> EMPTY_CLASS_LIMIT_MAP = new HashMap<Class, Integer>(); 285758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick 28671678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick /** 28732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * The current VmPolicy in effect. 288758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick * 289758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick * TODO: these are redundant (mask is in VmPolicy). Should remove sVmPolicyMask. 29032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 29132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick private static volatile int sVmPolicyMask = 0; 292758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick private static volatile VmPolicy sVmPolicy = VmPolicy.LAX; 29332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 294bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick /** 295bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick * The number of threads trying to do an async dropbox write. 296bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick * Just to limit ourselves out of paranoia. 297bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick */ 298bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick private static final AtomicInteger sDropboxCallsInFlight = new AtomicInteger(0); 299bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick 30032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick private StrictMode() {} 30132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 30232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 30332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * {@link StrictMode} policy applied to a certain thread. 30432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 30532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>The policy is enabled by {@link #setThreadPolicy}. The current policy 30632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * can be retrieved with {@link #getThreadPolicy}. 30732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 30832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>Note that multiple penalties may be provided and they're run 30932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * in order from least to most severe (logging before process 31032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * death, for example). There's currently no mechanism to choose 31132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * different penalties for different detected actions. 31232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 31332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static final class ThreadPolicy { 31432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 31532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * The default, lax policy which doesn't catch anything. 31632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 31732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static final ThreadPolicy LAX = new ThreadPolicy(0); 31832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 31932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick final int mask; 32032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 32132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick private ThreadPolicy(int mask) { 32232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick this.mask = mask; 32332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 32432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 32532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick @Override 32632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public String toString() { 32732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return "[StrictMode.ThreadPolicy; mask=" + mask + "]"; 32832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 32932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 33032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 331320274c5f17057a3a823fed50b7027cbd46fc025Brad Fitzpatrick * Creates {@link ThreadPolicy} instances. Methods whose names start 33232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * with {@code detect} specify what problems we should look 33332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * for. Methods whose names start with {@code penalty} specify what 33432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * we should do when we detect a problem. 33532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 33632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>You can call as many {@code detect} and {@code penalty} 33732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * methods as you like. Currently order is insignificant: all 33832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * penalties apply to all detected problems. 33932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 34032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>For example, detect everything and log anything that's found: 34132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <pre> 342320274c5f17057a3a823fed50b7027cbd46fc025Brad Fitzpatrick * StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder() 34332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .detectAll() 34432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .penaltyLog() 34532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .build(); 346320274c5f17057a3a823fed50b7027cbd46fc025Brad Fitzpatrick * StrictMode.setThreadPolicy(policy); 34732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * </pre> 34832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 34932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static final class Builder { 35032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick private int mMask = 0; 35132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 35232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 35332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Create a Builder that detects nothing and has no 35432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * violations. (but note that {@link #build} will default 35532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * to enabling {@link #penaltyLog} if no other penalties 35632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * are specified) 35732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 35832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder() { 35932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick mMask = 0; 36032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 36132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 36232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 36332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Initialize a Builder from an existing ThreadPolicy. 36432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 36532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder(ThreadPolicy policy) { 36632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick mMask = policy.mask; 36732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 36832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 36932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 37032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Detect everything that's potentially suspect. 37132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 37232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>As of the Gingerbread release this includes network and 37332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * disk operations but will likely expand in future releases. 37432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 37532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder detectAll() { 376e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick return enable(ALL_THREAD_DETECT_BITS); 37732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 37832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 37932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 38032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Disable the detection of everything. 38132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 38232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder permitAll() { 383e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick return disable(ALL_THREAD_DETECT_BITS); 38432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 38532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 38632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 38732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Enable detection of network operations. 38832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 38932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder detectNetwork() { 39032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return enable(DETECT_NETWORK); 39132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 39232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 39332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 39432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Disable detection of network operations. 39532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 39632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder permitNetwork() { 39732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return disable(DETECT_NETWORK); 39832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 39932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 40032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 40132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Enable detection of disk reads. 40232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 40332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder detectDiskReads() { 40432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return enable(DETECT_DISK_READ); 40532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 40632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 40732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 40832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Disable detection of disk reads. 40932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 41032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder permitDiskReads() { 41132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return disable(DETECT_DISK_READ); 41232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 41332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 41432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 415097fbf2e98e0d32baf6cbd1a5659c4145afb191fQi Wang * Enable detection of slow calls. 416e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick */ 417e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick public Builder detectCustomSlowCalls() { 418e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick return enable(DETECT_CUSTOM); 419e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick } 420e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick 421e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick /** 422097fbf2e98e0d32baf6cbd1a5659c4145afb191fQi Wang * Disable detection of slow calls. 423e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick */ 424e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick public Builder permitCustomSlowCalls() { 425097fbf2e98e0d32baf6cbd1a5659c4145afb191fQi Wang return disable(DETECT_CUSTOM); 426e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick } 427e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick 428e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick /** 42932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Enable detection of disk writes. 43032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 43132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder detectDiskWrites() { 43232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return enable(DETECT_DISK_WRITE); 43332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 43432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 43532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 43632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Disable detection of disk writes. 43732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 43832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder permitDiskWrites() { 43932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return disable(DETECT_DISK_WRITE); 44032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 44132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 44232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 44332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Show an annoying dialog to the developer on detected 44432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * violations, rate-limited to be only a little annoying. 44532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 44632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder penaltyDialog() { 44732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return enable(PENALTY_DIALOG); 44832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 44932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 45032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 45132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Crash the whole process on violation. This penalty runs at 45232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * the end of all enabled penalties so you'll still get 45332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * see logging or other violations before the process dies. 454b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * 455b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * <p>Unlike {@link #penaltyDeathOnNetwork}, this applies 456b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * to disk reads, disk writes, and network usage if their 457b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * corresponding detect flags are set. 45832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 45932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder penaltyDeath() { 46032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return enable(PENALTY_DEATH); 46132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 46232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 46332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 464b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * Crash the whole process on any network usage. Unlike 465b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * {@link #penaltyDeath}, this penalty runs 466b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * <em>before</em> anything else. You must still have 467b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * called {@link #detectNetwork} to enable this. 468b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * 469b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * <p>In the Honeycomb or later SDKs, this is on by default. 470b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick */ 471b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick public Builder penaltyDeathOnNetwork() { 472b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick return enable(PENALTY_DEATH_ON_NETWORK); 473b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick } 474b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick 475b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick /** 4766804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick * Flash the screen during a violation. 4776804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick */ 4786804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick public Builder penaltyFlashScreen() { 4796804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick return enable(PENALTY_FLASH); 4806804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick } 4816804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick 4826804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick /** 48332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Log detected violations to the system log. 48432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 48532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder penaltyLog() { 48632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return enable(PENALTY_LOG); 48732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 48832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 48932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 49032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Enable detected violations log a stacktrace and timing data 49132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * to the {@link android.os.DropBoxManager DropBox} on policy 49232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * violation. Intended mostly for platform integrators doing 49332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * beta user field data collection. 49432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 49532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder penaltyDropBox() { 49632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return enable(PENALTY_DROPBOX); 49732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 49832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 49932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick private Builder enable(int bit) { 50032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick mMask |= bit; 50132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return this; 50232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 50332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 50432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick private Builder disable(int bit) { 50532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick mMask &= ~bit; 50632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return this; 50732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 50832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 50932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 51032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Construct the ThreadPolicy instance. 51132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 51232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>Note: if no penalties are enabled before calling 51332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <code>build</code>, {@link #penaltyLog} is implicitly 51432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * set. 51532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 51632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public ThreadPolicy build() { 51732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // If there are detection bits set but no violation bits 51832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // set, enable simple logging. 51932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick if (mMask != 0 && 52032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick (mMask & (PENALTY_DEATH | PENALTY_LOG | 52132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick PENALTY_DROPBOX | PENALTY_DIALOG)) == 0) { 52232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick penaltyLog(); 52332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 52432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return new ThreadPolicy(mMask); 52532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 52632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 52732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 52832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 52932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 53032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * {@link StrictMode} policy applied to all threads in the virtual machine's process. 53132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 53232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>The policy is enabled by {@link #setVmPolicy}. 53332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 53432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static final class VmPolicy { 53532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 53632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * The default, lax policy which doesn't catch anything. 53732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 538758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick public static final VmPolicy LAX = new VmPolicy(0, EMPTY_CLASS_LIMIT_MAP); 53932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 54032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick final int mask; 54132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 542758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick // Map from class to max number of allowed instances in memory. 543758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick final HashMap<Class, Integer> classInstanceLimit; 544758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick 545758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick private VmPolicy(int mask, HashMap<Class, Integer> classInstanceLimit) { 546758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick if (classInstanceLimit == null) { 547758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick throw new NullPointerException("classInstanceLimit == null"); 548758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick } 54932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick this.mask = mask; 550758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick this.classInstanceLimit = classInstanceLimit; 55132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 55232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 55332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick @Override 55432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public String toString() { 55532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return "[StrictMode.VmPolicy; mask=" + mask + "]"; 55632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 55732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 55832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 55932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Creates {@link VmPolicy} instances. Methods whose names start 56032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * with {@code detect} specify what problems we should look 56132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * for. Methods whose names start with {@code penalty} specify what 56232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * we should do when we detect a problem. 56332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 56432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>You can call as many {@code detect} and {@code penalty} 56532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * methods as you like. Currently order is insignificant: all 56632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * penalties apply to all detected problems. 56732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 56832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>For example, detect everything and log anything that's found: 56932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <pre> 57032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * StrictMode.VmPolicy policy = new StrictMode.VmPolicy.Builder() 57132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .detectAll() 57232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .penaltyLog() 57332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * .build(); 57432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * StrictMode.setVmPolicy(policy); 57532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * </pre> 57632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 57732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static final class Builder { 57832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick private int mMask; 57932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 580758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick private HashMap<Class, Integer> mClassInstanceLimit; // null until needed 581758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick private boolean mClassInstanceLimitNeedCow = false; // need copy-on-write 582758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick 583758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick public Builder() { 584758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick mMask = 0; 585758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick } 586758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick 587758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick /** 588758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick * Build upon an existing VmPolicy. 589758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick */ 590758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick public Builder(VmPolicy base) { 591758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick mMask = base.mask; 592758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick mClassInstanceLimitNeedCow = true; 593758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick mClassInstanceLimit = base.classInstanceLimit; 594758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick } 595758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick 596758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick /** 597758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick * Set an upper bound on how many instances of a class can be in memory 598758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick * at once. Helps to prevent object leaks. 599758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick */ 600758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick public Builder setClassInstanceLimit(Class klass, int instanceLimit) { 601758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick if (klass == null) { 602758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick throw new NullPointerException("klass == null"); 603758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick } 604758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick if (mClassInstanceLimitNeedCow) { 605758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick if (mClassInstanceLimit.containsKey(klass) && 606758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick mClassInstanceLimit.get(klass) == instanceLimit) { 607758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick // no-op; don't break COW 608758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick return this; 609758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick } 610758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick mClassInstanceLimitNeedCow = false; 611758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick mClassInstanceLimit = (HashMap<Class, Integer>) mClassInstanceLimit.clone(); 612758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick } else if (mClassInstanceLimit == null) { 613758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick mClassInstanceLimit = new HashMap<Class, Integer>(); 614758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick } 615bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick mMask |= DETECT_VM_INSTANCE_LEAKS; 616758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick mClassInstanceLimit.put(klass, instanceLimit); 617758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick return this; 618758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick } 619758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick 620bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick /** 621bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick * Detect leaks of {@link android.app.Activity} subclasses. 622bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick */ 623bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick public Builder detectActivityLeaks() { 624758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick return enable(DETECT_VM_ACTIVITY_LEAKS); 625758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick } 626758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick 62732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 62832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Detect everything that's potentially suspect. 62932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 630fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * <p>In the Honeycomb release this includes leaks of 631bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick * SQLite cursors, Activities, and other closable objects 632bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick * but will likely expand in future releases. 63332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 63432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder detectAll() { 635d7026f1612a7c1e8cc9b484038fa99b7fc29cfd7Jeff Sharkey return enable(DETECT_VM_ACTIVITY_LEAKS | DETECT_VM_CURSOR_LEAKS 636a14acd20b8d563319ea1a5974dca0e9a29f0aaefJeff Sharkey | DETECT_VM_CLOSABLE_LEAKS | DETECT_VM_REGISTRATION_LEAKS 637a14acd20b8d563319ea1a5974dca0e9a29f0aaefJeff Sharkey | DETECT_VM_FILE_URI_EXPOSURE); 63832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 63932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 64032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 64132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Detect when an 64232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * {@link android.database.sqlite.SQLiteCursor} or other 64332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * SQLite object is finalized without having been closed. 64432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 64532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>You always want to explicitly close your SQLite 64632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * cursors to avoid unnecessary database contention and 64732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * temporary memory leaks. 64832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 64932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder detectLeakedSqlLiteObjects() { 65032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return enable(DETECT_VM_CURSOR_LEAKS); 65132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 65232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 65332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 654fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * Detect when an {@link java.io.Closeable} or other 655fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * object with a explict termination method is finalized 656fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * without having been closed. 657fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * 658fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * <p>You always want to explicitly close such objects to 659fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * avoid unnecessary resources leaks. 660fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom */ 661fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom public Builder detectLeakedClosableObjects() { 662fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom return enable(DETECT_VM_CLOSABLE_LEAKS); 663fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom } 664fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom 665fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom /** 666d7026f1612a7c1e8cc9b484038fa99b7fc29cfd7Jeff Sharkey * Detect when a {@link BroadcastReceiver} or 667d7026f1612a7c1e8cc9b484038fa99b7fc29cfd7Jeff Sharkey * {@link ServiceConnection} is leaked during {@link Context} 668d7026f1612a7c1e8cc9b484038fa99b7fc29cfd7Jeff Sharkey * teardown. 669d7026f1612a7c1e8cc9b484038fa99b7fc29cfd7Jeff Sharkey */ 670d7026f1612a7c1e8cc9b484038fa99b7fc29cfd7Jeff Sharkey public Builder detectLeakedRegistrationObjects() { 671d7026f1612a7c1e8cc9b484038fa99b7fc29cfd7Jeff Sharkey return enable(DETECT_VM_REGISTRATION_LEAKS); 672d7026f1612a7c1e8cc9b484038fa99b7fc29cfd7Jeff Sharkey } 673d7026f1612a7c1e8cc9b484038fa99b7fc29cfd7Jeff Sharkey 674d7026f1612a7c1e8cc9b484038fa99b7fc29cfd7Jeff Sharkey /** 6750fa30372c7768692f9deef3e33655382e8a683fdYing Wang * Detect when a {@code file://} {@link android.net.Uri} is exposed beyond this 676a14acd20b8d563319ea1a5974dca0e9a29f0aaefJeff Sharkey * app. The receiving app may not have access to the sent path. 677a14acd20b8d563319ea1a5974dca0e9a29f0aaefJeff Sharkey * Instead, when sharing files between apps, {@code content://} 678a14acd20b8d563319ea1a5974dca0e9a29f0aaefJeff Sharkey * should be used with permission grants. 679a14acd20b8d563319ea1a5974dca0e9a29f0aaefJeff Sharkey */ 680a14acd20b8d563319ea1a5974dca0e9a29f0aaefJeff Sharkey public Builder detectFileUriExposure() { 681a14acd20b8d563319ea1a5974dca0e9a29f0aaefJeff Sharkey return enable(DETECT_VM_FILE_URI_EXPOSURE); 682a14acd20b8d563319ea1a5974dca0e9a29f0aaefJeff Sharkey } 683a14acd20b8d563319ea1a5974dca0e9a29f0aaefJeff Sharkey 684a14acd20b8d563319ea1a5974dca0e9a29f0aaefJeff Sharkey /** 68532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Crashes the whole process on violation. This penalty runs at 68632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * the end of all enabled penalties so yo you'll still get 68732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * your logging or other violations before the process dies. 68832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 68932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder penaltyDeath() { 69032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return enable(PENALTY_DEATH); 69132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 69232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 69332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 69432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Log detected violations to the system log. 69532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 69632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder penaltyLog() { 69732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return enable(PENALTY_LOG); 69832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 69932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 70032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 70132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Enable detected violations log a stacktrace and timing data 70232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * to the {@link android.os.DropBoxManager DropBox} on policy 70332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * violation. Intended mostly for platform integrators doing 70432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * beta user field data collection. 70532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 70632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public Builder penaltyDropBox() { 70732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return enable(PENALTY_DROPBOX); 70832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 70932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 71032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick private Builder enable(int bit) { 71132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick mMask |= bit; 71232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return this; 71332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 71432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 71532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 71632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Construct the VmPolicy instance. 71732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 71832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>Note: if no penalties are enabled before calling 71932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <code>build</code>, {@link #penaltyLog} is implicitly 72032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * set. 72132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 72232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public VmPolicy build() { 72332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // If there are detection bits set but no violation bits 72432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // set, enable simple logging. 72532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick if (mMask != 0 && 72632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick (mMask & (PENALTY_DEATH | PENALTY_LOG | 72732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick PENALTY_DROPBOX | PENALTY_DIALOG)) == 0) { 72832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick penaltyLog(); 72932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 730758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick return new VmPolicy(mMask, 731758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick mClassInstanceLimit != null ? mClassInstanceLimit : EMPTY_CLASS_LIMIT_MAP); 73232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 73332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 73432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 735438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 736438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick /** 7375b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * Log of strict mode violation stack traces that have occurred 7385b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * during a Binder call, to be serialized back later to the caller 7395b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * via Parcel.writeNoException() (amusingly) where the caller can 7405b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * choose how to react. 7415b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick */ 742cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick private static final ThreadLocal<ArrayList<ViolationInfo>> gatheredViolations = 743cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick new ThreadLocal<ArrayList<ViolationInfo>>() { 744cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick @Override protected ArrayList<ViolationInfo> initialValue() { 745703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick // Starts null to avoid unnecessary allocations when 746703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick // checking whether there are any violations or not in 747703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick // hasGatheredViolations() below. 748703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick return null; 7495b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 7505b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick }; 7515b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick 7525b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick /** 75332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Sets the policy for what actions on the current thread should 75432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * be detected, as well as the penalty if such actions occur. 75515ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * 75632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * <p>Internally this sets a thread-local variable which is 75715ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * propagated across cross-process IPC calls, meaning you can 75815ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * catch violations when a system service or another process 75915ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * accesses the disk or network on your behalf. 760438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick * 76132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @param policy the policy to put into place 762438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick */ 76332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static void setThreadPolicy(final ThreadPolicy policy) { 76432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick setThreadPolicyMask(policy.mask); 76532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 76632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 76732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick private static void setThreadPolicyMask(final int policyMask) { 768727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // In addition to the Java-level thread-local in Dalvik's 769727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // BlockGuard, we also need to keep a native thread-local in 770727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // Binder in order to propagate the value across Binder calls, 771727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // even across native-only processes. The two are kept in 772727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // sync via the callback to onStrictModePolicyChange, below. 773727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick setBlockGuardPolicy(policyMask); 774727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick 775727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // And set the Android native version... 776727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick Binder.setThreadStrictModePolicy(policyMask); 777727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick } 778727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick 779727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // Sets the policy in Dalvik/libcore (BlockGuard) 780727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick private static void setBlockGuardPolicy(final int policyMask) { 78146d42387464a651268648659e91d022566d4844cBrad Fitzpatrick if (policyMask == 0) { 78246d42387464a651268648659e91d022566d4844cBrad Fitzpatrick BlockGuard.setThreadPolicy(BlockGuard.LAX_POLICY); 78346d42387464a651268648659e91d022566d4844cBrad Fitzpatrick return; 78446d42387464a651268648659e91d022566d4844cBrad Fitzpatrick } 785438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick BlockGuard.Policy policy = BlockGuard.getThreadPolicy(); 786438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick if (!(policy instanceof AndroidBlockGuardPolicy)) { 787438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick BlockGuard.setThreadPolicy(new AndroidBlockGuardPolicy(policyMask)); 788438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } else { 789438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick AndroidBlockGuardPolicy androidPolicy = (AndroidBlockGuardPolicy) policy; 790438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick androidPolicy.setPolicyMask(policyMask); 791438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 792438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 793438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 7944b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom // Sets up CloseGuard in Dalvik/libcore 7954b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom private static void setCloseGuardEnabled(boolean enabled) { 7967c2ae6570321575ad74a25bdc72bea1ec6558660Brad Fitzpatrick if (!(CloseGuard.getReporter() instanceof AndroidCloseGuardReporter)) { 7974b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom CloseGuard.setReporter(new AndroidCloseGuardReporter()); 7984b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom } 7994b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom CloseGuard.setEnabled(enabled); 8004b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom } 8014b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom 8024e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick /** 8034e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick * @hide 8044e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick */ 8054e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick public static class StrictModeViolation extends BlockGuard.BlockGuardPolicyException { 8064e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick public StrictModeViolation(int policyState, int policyViolated, String message) { 8074e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick super(policyState, policyViolated, message); 8084e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick } 8094e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick } 8104e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick 8114e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick /** 8124e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick * @hide 8134e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick */ 8144e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick public static class StrictModeNetworkViolation extends StrictModeViolation { 8155b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick public StrictModeNetworkViolation(int policyMask) { 8164e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick super(policyMask, DETECT_NETWORK, null); 8175b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 8185b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 8195b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick 8204e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick /** 8214e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick * @hide 8224e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick */ 8234e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick private static class StrictModeDiskReadViolation extends StrictModeViolation { 8245b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick public StrictModeDiskReadViolation(int policyMask) { 8254e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick super(policyMask, DETECT_DISK_READ, null); 8265b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 8275b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 8285b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick 8294e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick /** 8304e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick * @hide 8314e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick */ 8324e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick private static class StrictModeDiskWriteViolation extends StrictModeViolation { 8335b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick public StrictModeDiskWriteViolation(int policyMask) { 8344e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick super(policyMask, DETECT_DISK_WRITE, null); 8355b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 8365b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 8375b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick 8384e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick /** 8394e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick * @hide 8404e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick */ 8414e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick private static class StrictModeCustomViolation extends StrictModeViolation { 842e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick public StrictModeCustomViolation(int policyMask, String name) { 843e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick super(policyMask, DETECT_CUSTOM, name); 844e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick } 845e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick } 846e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick 847438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick /** 84815ba4061116e088d62a7e05a0037f294f31dff06Brad Fitzpatrick * Returns the bitmask of the current thread's policy. 849438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick * 85032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @return the bitmask of all the DETECT_* and PENALTY_* bits currently enabled 85132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 85232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @hide 853438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick */ 85432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static int getThreadPolicyMask() { 855438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick return BlockGuard.getThreadPolicy().getPolicyMask(); 856438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 857438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 8585b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick /** 85932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Returns the current thread's policy. 86032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 86132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static ThreadPolicy getThreadPolicy() { 862e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick // TODO: this was a last minute Gingerbread API change (to 863e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick // introduce VmPolicy cleanly) but this isn't particularly 864e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick // optimal for users who might call this method often. This 865e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick // should be in a thread-local and not allocate on each call. 86632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return new ThreadPolicy(getThreadPolicyMask()); 86732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 86832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 86932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 87032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * A convenience wrapper that takes the current 87132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * {@link ThreadPolicy} from {@link #getThreadPolicy}, modifies it 87232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * to permit both disk reads & writes, and sets the new policy 87332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * with {@link #setThreadPolicy}, returning the old policy so you 87432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * can restore it at the end of a block. 87597461bd25c3821f3fb6af9705f0612259c6b4492Brad Fitzpatrick * 87632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @return the old policy, to be passed to {@link #setThreadPolicy} to 87732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * restore the policy at the end of a block 87897461bd25c3821f3fb6af9705f0612259c6b4492Brad Fitzpatrick */ 87932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static ThreadPolicy allowThreadDiskWrites() { 88032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick int oldPolicyMask = getThreadPolicyMask(); 88132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick int newPolicyMask = oldPolicyMask & ~(DETECT_DISK_WRITE | DETECT_DISK_READ); 88232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick if (newPolicyMask != oldPolicyMask) { 88332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick setThreadPolicyMask(newPolicyMask); 88497461bd25c3821f3fb6af9705f0612259c6b4492Brad Fitzpatrick } 88532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return new ThreadPolicy(oldPolicyMask); 88697461bd25c3821f3fb6af9705f0612259c6b4492Brad Fitzpatrick } 88797461bd25c3821f3fb6af9705f0612259c6b4492Brad Fitzpatrick 88897461bd25c3821f3fb6af9705f0612259c6b4492Brad Fitzpatrick /** 88932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * A convenience wrapper that takes the current 89032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * {@link ThreadPolicy} from {@link #getThreadPolicy}, modifies it 89132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * to permit disk reads, and sets the new policy 89232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * with {@link #setThreadPolicy}, returning the old policy so you 89332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * can restore it at the end of a block. 89497461bd25c3821f3fb6af9705f0612259c6b4492Brad Fitzpatrick * 89532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @return the old policy, to be passed to setThreadPolicy to 89697461bd25c3821f3fb6af9705f0612259c6b4492Brad Fitzpatrick * restore the policy. 89797461bd25c3821f3fb6af9705f0612259c6b4492Brad Fitzpatrick */ 89832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static ThreadPolicy allowThreadDiskReads() { 89932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick int oldPolicyMask = getThreadPolicyMask(); 90032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick int newPolicyMask = oldPolicyMask & ~(DETECT_DISK_READ); 90132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick if (newPolicyMask != oldPolicyMask) { 90232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick setThreadPolicyMask(newPolicyMask); 90397461bd25c3821f3fb6af9705f0612259c6b4492Brad Fitzpatrick } 90432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return new ThreadPolicy(oldPolicyMask); 90597461bd25c3821f3fb6af9705f0612259c6b4492Brad Fitzpatrick } 90697461bd25c3821f3fb6af9705f0612259c6b4492Brad Fitzpatrick 907f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick // We don't want to flash the screen red in the system server 908f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick // process, nor do we want to modify all the call sites of 909f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick // conditionallyEnableDebugLogging() in the system server, 910f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick // so instead we use this to determine if we are the system server. 911f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick private static boolean amTheSystemServerProcess() { 912f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick // Fast path. Most apps don't have the system server's UID. 913f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick if (Process.myUid() != Process.SYSTEM_UID) { 914f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick return false; 915f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick } 916f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick 917f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick // The settings app, though, has the system server's UID so 918f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick // look up our stack to see if we came from the system server. 919f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick Throwable stack = new Throwable(); 920f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick stack.fillInStackTrace(); 921f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick for (StackTraceElement ste : stack.getStackTrace()) { 922f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick String clsName = ste.getClassName(); 923f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick if (clsName != null && clsName.startsWith("com.android.server.")) { 924f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick return true; 925f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick } 926f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick } 927f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick return false; 928f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick } 929f54545927f365d6e55cbf66ff9f7ffe91aada774Brad Fitzpatrick 93097461bd25c3821f3fb6af9705f0612259c6b4492Brad Fitzpatrick /** 93150d66f9fcdac84b2af65a82be56728f54b1a7ef0Brad Fitzpatrick * Enable DropBox logging for debug phone builds. 93250d66f9fcdac84b2af65a82be56728f54b1a7ef0Brad Fitzpatrick * 93350d66f9fcdac84b2af65a82be56728f54b1a7ef0Brad Fitzpatrick * @hide 93450d66f9fcdac84b2af65a82be56728f54b1a7ef0Brad Fitzpatrick */ 93550d66f9fcdac84b2af65a82be56728f54b1a7ef0Brad Fitzpatrick public static boolean conditionallyEnableDebugLogging() { 936bc6f0ce8be64a74b695fb21dab5f4805b68dce16Christopher Tate boolean doFlashes = SystemProperties.getBoolean(VISUAL_PROPERTY, false) 937bc6f0ce8be64a74b695fb21dab5f4805b68dce16Christopher Tate && !amTheSystemServerProcess(); 938bc6f0ce8be64a74b695fb21dab5f4805b68dce16Christopher Tate final boolean suppress = SystemProperties.getBoolean(DISABLE_PROPERTY, false); 939c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick 94050d66f9fcdac84b2af65a82be56728f54b1a7ef0Brad Fitzpatrick // For debug builds, log event loop stalls to dropbox for analysis. 94150d66f9fcdac84b2af65a82be56728f54b1a7ef0Brad Fitzpatrick // Similar logic also appears in ActivityThread.java for system apps. 942bc6f0ce8be64a74b695fb21dab5f4805b68dce16Christopher Tate if (!doFlashes && (IS_USER_BUILD || suppress)) { 9437c2ae6570321575ad74a25bdc72bea1ec6558660Brad Fitzpatrick setCloseGuardEnabled(false); 94450d66f9fcdac84b2af65a82be56728f54b1a7ef0Brad Fitzpatrick return false; 94550d66f9fcdac84b2af65a82be56728f54b1a7ef0Brad Fitzpatrick } 946c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick 947bc6f0ce8be64a74b695fb21dab5f4805b68dce16Christopher Tate // Eng builds have flashes on all the time. The suppression property 948bc6f0ce8be64a74b695fb21dab5f4805b68dce16Christopher Tate // overrides this, so we force the behavior only after the short-circuit 949bc6f0ce8be64a74b695fb21dab5f4805b68dce16Christopher Tate // check above. 950bc6f0ce8be64a74b695fb21dab5f4805b68dce16Christopher Tate if (IS_ENG_BUILD) { 951bc6f0ce8be64a74b695fb21dab5f4805b68dce16Christopher Tate doFlashes = true; 952bc6f0ce8be64a74b695fb21dab5f4805b68dce16Christopher Tate } 953bc6f0ce8be64a74b695fb21dab5f4805b68dce16Christopher Tate 954be7c29c9f7e3d7b75d4374c8b5c0ca43c9d09c68Jeff Brown // Thread policy controls BlockGuard. 955c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick int threadPolicyMask = StrictMode.DETECT_DISK_WRITE | 956c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick StrictMode.DETECT_DISK_READ | 957c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick StrictMode.DETECT_NETWORK; 958c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick 959c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick if (!IS_USER_BUILD) { 960c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick threadPolicyMask |= StrictMode.PENALTY_DROPBOX; 961c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick } 962c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick if (doFlashes) { 963c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick threadPolicyMask |= StrictMode.PENALTY_FLASH; 964c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick } 965c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick 966c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick StrictMode.setThreadPolicyMask(threadPolicyMask); 967c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick 968be7c29c9f7e3d7b75d4374c8b5c0ca43c9d09c68Jeff Brown // VM Policy controls CloseGuard, detection of Activity leaks, 969be7c29c9f7e3d7b75d4374c8b5c0ca43c9d09c68Jeff Brown // and instance counting. 970c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick if (IS_USER_BUILD) { 971c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick setCloseGuardEnabled(false); 972c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick } else { 973d5875d98f06817f78bd974842a8a9c2d41802d20Jeff Brown VmPolicy.Builder policyBuilder = new VmPolicy.Builder().detectAll().penaltyDropBox(); 974d5875d98f06817f78bd974842a8a9c2d41802d20Jeff Brown if (IS_ENG_BUILD) { 975d5875d98f06817f78bd974842a8a9c2d41802d20Jeff Brown policyBuilder.penaltyLog(); 976d5875d98f06817f78bd974842a8a9c2d41802d20Jeff Brown } 977d5875d98f06817f78bd974842a8a9c2d41802d20Jeff Brown setVmPolicy(policyBuilder.build()); 978c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick setCloseGuardEnabled(vmClosableObjectLeaksEnabled()); 979c1a968a8ed45181312f7d4bcdbba0cc8ddc201baBrad Fitzpatrick } 98050d66f9fcdac84b2af65a82be56728f54b1a7ef0Brad Fitzpatrick return true; 98150d66f9fcdac84b2af65a82be56728f54b1a7ef0Brad Fitzpatrick } 98250d66f9fcdac84b2af65a82be56728f54b1a7ef0Brad Fitzpatrick 98350d66f9fcdac84b2af65a82be56728f54b1a7ef0Brad Fitzpatrick /** 984b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * Used by the framework to make network usage on the main 985b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * thread a fatal error. 986b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * 987b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick * @hide 988b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick */ 989b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick public static void enableDeathOnNetwork() { 990b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick int oldPolicy = getThreadPolicyMask(); 991b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick int newPolicy = oldPolicy | DETECT_NETWORK | PENALTY_DEATH_ON_NETWORK; 992b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick setThreadPolicyMask(newPolicy); 993b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick } 994b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick 995b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick /** 9965b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * Parses the BlockGuard policy mask out from the Exception's 9975b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * getMessage() String value. Kinda gross, but least 9985b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * invasive. :/ 9995b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * 1000e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick * Input is of the following forms: 1001e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick * "policy=137 violation=64" 1002e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick * "policy=137 violation=64 msg=Arbitrary text" 10035b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * 10045b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * Returns 0 on failure, which is a valid policy, but not a 10055b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * valid policy during a violation (else there must've been 10065b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * some policy in effect to violate). 10075b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick */ 10085b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick private static int parsePolicyFromMessage(String message) { 10095b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick if (message == null || !message.startsWith("policy=")) { 10105b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick return 0; 10115b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 10125b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick int spaceIndex = message.indexOf(' '); 10135b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick if (spaceIndex == -1) { 10145b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick return 0; 10155b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 10165b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick String policyString = message.substring(7, spaceIndex); 10175b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick try { 10185b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick return Integer.valueOf(policyString).intValue(); 10195b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } catch (NumberFormatException e) { 10205b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick return 0; 10215b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 10225b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 10235b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick 10245b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick /** 10255b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * Like parsePolicyFromMessage(), but returns the violation. 10265b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick */ 10275b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick private static int parseViolationFromMessage(String message) { 10285b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick if (message == null) { 10295b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick return 0; 10305b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 10315b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick int violationIndex = message.indexOf("violation="); 10325b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick if (violationIndex == -1) { 10335b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick return 0; 10345b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 1035e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick int numberStartIndex = violationIndex + "violation=".length(); 1036e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick int numberEndIndex = message.indexOf(' ', numberStartIndex); 1037e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick if (numberEndIndex == -1) { 1038e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick numberEndIndex = message.length(); 1039e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick } 1040e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick String violationString = message.substring(numberStartIndex, numberEndIndex); 10415b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick try { 10425b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick return Integer.valueOf(violationString).intValue(); 10435b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } catch (NumberFormatException e) { 10445b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick return 0; 10455b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 10465b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 10475b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick 1048191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick private static final ThreadLocal<ArrayList<ViolationInfo>> violationsBeingTimed = 1049191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick new ThreadLocal<ArrayList<ViolationInfo>>() { 1050191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick @Override protected ArrayList<ViolationInfo> initialValue() { 1051191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick return new ArrayList<ViolationInfo>(); 1052191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick } 1053191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick }; 1054191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick 1055bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick // Note: only access this once verifying the thread has a Looper. 1056bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick private static final ThreadLocal<Handler> threadHandler = new ThreadLocal<Handler>() { 1057bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick @Override protected Handler initialValue() { 1058bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick return new Handler(); 1059bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick } 1060bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick }; 1061bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick 1062191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick private static boolean tooManyViolationsThisLoop() { 1063191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick return violationsBeingTimed.get().size() >= MAX_OFFENSES_PER_LOOP; 1064191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick } 1065191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick 1066438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick private static class AndroidBlockGuardPolicy implements BlockGuard.Policy { 1067438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick private int mPolicyMask; 106846d42387464a651268648659e91d022566d4844cBrad Fitzpatrick 106946d42387464a651268648659e91d022566d4844cBrad Fitzpatrick // Map from violation stacktrace hashcode -> uptimeMillis of 107046d42387464a651268648659e91d022566d4844cBrad Fitzpatrick // last violation. No locking needed, as this is only 107146d42387464a651268648659e91d022566d4844cBrad Fitzpatrick // accessed by the same thread. 107246d42387464a651268648659e91d022566d4844cBrad Fitzpatrick private final HashMap<Integer, Long> mLastViolationTime = new HashMap<Integer, Long>(); 1073438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 1074438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick public AndroidBlockGuardPolicy(final int policyMask) { 1075438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick mPolicyMask = policyMask; 1076438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 1077438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 10785b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick @Override 10795b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick public String toString() { 10805b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick return "AndroidBlockGuardPolicy; mPolicyMask=" + mPolicyMask; 10815b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 10825b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick 1083438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick // Part of BlockGuard.Policy interface: 1084438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick public int getPolicyMask() { 1085438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick return mPolicyMask; 1086438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 1087438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 1088438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick // Part of BlockGuard.Policy interface: 1089438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick public void onWriteToDisk() { 109032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick if ((mPolicyMask & DETECT_DISK_WRITE) == 0) { 1091438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick return; 1092438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 1093191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick if (tooManyViolationsThisLoop()) { 1094191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick return; 1095191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick } 1096cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick BlockGuard.BlockGuardPolicyException e = new StrictModeDiskWriteViolation(mPolicyMask); 1097cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick e.fillInStackTrace(); 1098cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick startHandlingViolationException(e); 1099438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 1100438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 1101e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick // Not part of BlockGuard.Policy; just part of StrictMode: 1102e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick void onCustomSlowCall(String name) { 1103e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick if ((mPolicyMask & DETECT_CUSTOM) == 0) { 1104e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick return; 1105e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick } 1106e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick if (tooManyViolationsThisLoop()) { 1107e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick return; 1108e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick } 1109e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick BlockGuard.BlockGuardPolicyException e = new StrictModeCustomViolation(mPolicyMask, name); 1110e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick e.fillInStackTrace(); 1111e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick startHandlingViolationException(e); 1112e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick } 1113e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick 1114438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick // Part of BlockGuard.Policy interface: 1115438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick public void onReadFromDisk() { 111632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick if ((mPolicyMask & DETECT_DISK_READ) == 0) { 1117438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick return; 1118438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 1119191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick if (tooManyViolationsThisLoop()) { 1120191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick return; 1121191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick } 1122cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick BlockGuard.BlockGuardPolicyException e = new StrictModeDiskReadViolation(mPolicyMask); 1123cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick e.fillInStackTrace(); 1124cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick startHandlingViolationException(e); 1125438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 1126438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 1127438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick // Part of BlockGuard.Policy interface: 1128438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick public void onNetwork() { 112932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick if ((mPolicyMask & DETECT_NETWORK) == 0) { 1130438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick return; 1131438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 1132b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick if ((mPolicyMask & PENALTY_DEATH_ON_NETWORK) != 0) { 1133b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick throw new NetworkOnMainThreadException(); 1134b6e18412af35bf724298796eed65ef1fbbe1925eBrad Fitzpatrick } 1135191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick if (tooManyViolationsThisLoop()) { 1136191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick return; 1137191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick } 1138cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick BlockGuard.BlockGuardPolicyException e = new StrictModeNetworkViolation(mPolicyMask); 1139cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick e.fillInStackTrace(); 1140cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick startHandlingViolationException(e); 1141438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 1142438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 1143438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick public void setPolicyMask(int policyMask) { 1144438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick mPolicyMask = policyMask; 1145438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 1146438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 11475b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick // Start handling a violation that just started and hasn't 11485b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick // actually run yet (e.g. no disk write or network operation 11495b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick // has yet occurred). This sees if we're in an event loop 11505b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick // thread and, if so, uses it to roughly measure how long the 11515b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick // violation took. 11525b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick void startHandlingViolationException(BlockGuard.BlockGuardPolicyException e) { 1153cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick final ViolationInfo info = new ViolationInfo(e, e.getPolicy()); 1154cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick info.violationUptimeMillis = SystemClock.uptimeMillis(); 1155cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick handleViolationWithTimingAttempt(info); 1156cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 1157438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 1158cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // Attempts to fill in the provided ViolationInfo's 1159cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // durationMillis field if this thread has a Looper we can use 1160cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // to measure with. We measure from the time of violation 1161cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // until the time the looper is idle again (right before 1162cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // the next epoll_wait) 1163cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick void handleViolationWithTimingAttempt(final ViolationInfo info) { 1164438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick Looper looper = Looper.myLooper(); 1165cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 1166cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // Without a Looper, we're unable to time how long the 1167cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // violation takes place. This case should be rare, as 1168cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // most users will care about timing violations that 1169cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // happen on their main UI thread. Note that this case is 1170cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // also hit when a violation takes place in a Binder 1171cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // thread, in "gather" mode. In this case, the duration 1172cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // of the violation is computed by the ultimate caller and 1173cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // its Looper, if any. 11744e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick // 11754e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick // Also, as a special short-cut case when the only penalty 11764e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick // bit is death, we die immediately, rather than timing 11774e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick // the violation's duration. This makes it convenient to 11784e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick // use in unit tests too, rather than waiting on a Looper. 11794e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick // 1180cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // TODO: if in gather mode, ignore Looper.myLooper() and always 1181cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // go into this immediate mode? 11824e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick if (looper == null || 1183c0bb0bb5e3425b77b6e7820ebe25fe72bdd07782Brad Fitzpatrick (info.policy & THREAD_PENALTY_MASK) == PENALTY_DEATH) { 1184cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick info.durationMillis = -1; // unknown (redundant, already set) 1185cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick handleViolation(info); 1186cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick return; 1187438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 1188438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 1189cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick final ArrayList<ViolationInfo> records = violationsBeingTimed.get(); 1190191cdf023c3c1ab441087a77f7881c7bb376613aBrad Fitzpatrick if (records.size() >= MAX_OFFENSES_PER_LOOP) { 1191cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // Not worth measuring. Too many offenses in one loop. 1192cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick return; 1193cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 1194cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick records.add(info); 1195cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if (records.size() > 1) { 1196cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // There's already been a violation this loop, so we've already 1197cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // registered an idle handler to process the list of violations 1198cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick // at the end of this Looper's loop. 1199cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick return; 1200cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 1201cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 12026804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick final IWindowManager windowManager = (info.policy & PENALTY_FLASH) != 0 ? 1203cdcb73ef781b8f7d37d9f758409a0c7671517b37Brad Fitzpatrick sWindowManager.get() : null; 12046804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick if (windowManager != null) { 12056804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick try { 12066804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick windowManager.showStrictModeViolation(true); 12076804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick } catch (RemoteException unused) { 12086804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick } 12096804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick } 12106804433b0af50f33a338307ae8ddb50bc49e886bBrad Fitzpatrick 1211bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick // We post a runnable to a Handler (== delay 0 ms) for 1212bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick // measuring the end time of a violation instead of using 1213bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick // an IdleHandler (as was previously used) because an 1214bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick // IdleHandler may not run for quite a long period of time 1215bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick // if an ongoing animation is happening and continually 1216bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick // posting ASAP (0 ms) animation steps. Animations are 1217bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick // throttled back to 60fps via SurfaceFlinger/View 1218bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick // invalidates, _not_ by posting frame updates every 16 1219bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick // milliseconds. 12203761f33387f980d7a6c6e06555a5a932ba7247a2Jeff Sharkey threadHandler.get().postAtFrontOfQueue(new Runnable() { 1221bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick public void run() { 1222cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick long loopFinishTime = SystemClock.uptimeMillis(); 1223bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick 1224bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick // Note: we do this early, before handling the 1225bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick // violation below, as handling the violation 1226bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick // may include PENALTY_DEATH and we don't want 1227bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick // to keep the red border on. 1228bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick if (windowManager != null) { 1229bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick try { 1230bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick windowManager.showStrictModeViolation(false); 1231bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick } catch (RemoteException unused) { 1232bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick } 1233bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick } 1234bea168c09d173fb99cfc91c562c4a497a5e7d2d2Brad Fitzpatrick 1235cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick for (int n = 0; n < records.size(); ++n) { 1236cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick ViolationInfo v = records.get(n); 1237cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick v.violationNumThisLoop = n + 1; 1238cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick v.durationMillis = 1239cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick (int) (loopFinishTime - v.violationUptimeMillis); 1240cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick handleViolation(v); 1241cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 1242cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick records.clear(); 1243cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 1244cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick }); 12455b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 1246438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 12475b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick // Note: It's possible (even quite likely) that the 12485b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick // thread-local policy mask has changed from the time the 12495b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick // violation fired and now (after the violating code ran) due 12505b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick // to people who push/pop temporary policy in regions of code, 12515b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick // hence the policy being passed around. 1252cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick void handleViolation(final ViolationInfo info) { 1253cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if (info == null || info.crashInfo == null || info.crashInfo.stackTrace == null) { 1254cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick Log.wtf(TAG, "unexpected null stacktrace"); 12555b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick return; 12565b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 1257438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 1258cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if (LOG_V) Log.d(TAG, "handleViolation; policy=" + info.policy); 125946d42387464a651268648659e91d022566d4844cBrad Fitzpatrick 1260cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if ((info.policy & PENALTY_GATHER) != 0) { 1261cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick ArrayList<ViolationInfo> violations = gatheredViolations.get(); 1262703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick if (violations == null) { 1263cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick violations = new ArrayList<ViolationInfo>(1); 1264703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick gatheredViolations.set(violations); 1265703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick } else if (violations.size() >= 5) { 12665b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick // Too many. In a loop or something? Don't gather them all. 12675b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick return; 12685b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 1269cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick for (ViolationInfo previous : violations) { 1270cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if (info.crashInfo.stackTrace.equals(previous.crashInfo.stackTrace)) { 12715b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick // Duplicate. Don't log. 12725b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick return; 12735b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 12745b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 1275cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick violations.add(info); 1276727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick return; 1277727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick } 1278727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick 127946d42387464a651268648659e91d022566d4844cBrad Fitzpatrick // Not perfect, but fast and good enough for dup suppression. 1280f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick Integer crashFingerprint = info.hashCode(); 128146d42387464a651268648659e91d022566d4844cBrad Fitzpatrick long lastViolationTime = 0; 128246d42387464a651268648659e91d022566d4844cBrad Fitzpatrick if (mLastViolationTime.containsKey(crashFingerprint)) { 128346d42387464a651268648659e91d022566d4844cBrad Fitzpatrick lastViolationTime = mLastViolationTime.get(crashFingerprint); 128446d42387464a651268648659e91d022566d4844cBrad Fitzpatrick } 128546d42387464a651268648659e91d022566d4844cBrad Fitzpatrick long now = SystemClock.uptimeMillis(); 128646d42387464a651268648659e91d022566d4844cBrad Fitzpatrick mLastViolationTime.put(crashFingerprint, now); 128746d42387464a651268648659e91d022566d4844cBrad Fitzpatrick long timeSinceLastViolationMillis = lastViolationTime == 0 ? 128846d42387464a651268648659e91d022566d4844cBrad Fitzpatrick Long.MAX_VALUE : (now - lastViolationTime); 128946d42387464a651268648659e91d022566d4844cBrad Fitzpatrick 1290cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if ((info.policy & PENALTY_LOG) != 0 && 129146d42387464a651268648659e91d022566d4844cBrad Fitzpatrick timeSinceLastViolationMillis > MIN_LOG_INTERVAL_MS) { 1292cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if (info.durationMillis != -1) { 12935b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick Log.d(TAG, "StrictMode policy violation; ~duration=" + 1294cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick info.durationMillis + " ms: " + info.crashInfo.stackTrace); 1295438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } else { 1296cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick Log.d(TAG, "StrictMode policy violation: " + info.crashInfo.stackTrace); 1297438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 1298438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 1299438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 130071678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick // The violationMaskSubset, passed to ActivityManager, is a 130146d42387464a651268648659e91d022566d4844cBrad Fitzpatrick // subset of the original StrictMode policy bitmask, with 130246d42387464a651268648659e91d022566d4844cBrad Fitzpatrick // only the bit violated and penalty bits to be executed 130346d42387464a651268648659e91d022566d4844cBrad Fitzpatrick // by the ActivityManagerService remaining set. 1304cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick int violationMaskSubset = 0; 130546d42387464a651268648659e91d022566d4844cBrad Fitzpatrick 1306cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if ((info.policy & PENALTY_DIALOG) != 0 && 130746d42387464a651268648659e91d022566d4844cBrad Fitzpatrick timeSinceLastViolationMillis > MIN_DIALOG_INTERVAL_MS) { 1308cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick violationMaskSubset |= PENALTY_DIALOG; 130946d42387464a651268648659e91d022566d4844cBrad Fitzpatrick } 131046d42387464a651268648659e91d022566d4844cBrad Fitzpatrick 1311cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if ((info.policy & PENALTY_DROPBOX) != 0 && lastViolationTime == 0) { 1312cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick violationMaskSubset |= PENALTY_DROPBOX; 131346d42387464a651268648659e91d022566d4844cBrad Fitzpatrick } 131446d42387464a651268648659e91d022566d4844cBrad Fitzpatrick 1315cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if (violationMaskSubset != 0) { 1316cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick int violationBit = parseViolationFromMessage(info.crashInfo.exceptionMessage); 1317cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick violationMaskSubset |= violationBit; 131832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick final int savedPolicyMask = getThreadPolicyMask(); 131971678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick 1320c0bb0bb5e3425b77b6e7820ebe25fe72bdd07782Brad Fitzpatrick final boolean justDropBox = (info.policy & THREAD_PENALTY_MASK) == PENALTY_DROPBOX; 132171678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick if (justDropBox) { 132271678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick // If all we're going to ask the activity manager 132371678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick // to do is dropbox it (the common case during 132471678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick // platform development), we can avoid doing this 132571678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick // call synchronously which Binder data suggests 132671678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick // isn't always super fast, despite the implementation 132771678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick // in the ActivityManager trying to be mostly async. 1328bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick dropboxViolationAsync(violationMaskSubset, info); 132971678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick return; 133071678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick } 133171678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick 133271678ddcc45d9cd4557f3bed8bba5382bf36b68bBrad Fitzpatrick // Normal synchronous call to the ActivityManager. 1333438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick try { 1334727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // First, remove any policy before we call into the Activity Manager, 1335727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // otherwise we'll infinite recurse as we try to log policy violations 1336727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // to disk, thus violating policy, thus requiring logging, etc... 1337727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // We restore the current policy below, in the finally block. 133832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick setThreadPolicyMask(0); 1339727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick 1340438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick ActivityManagerNative.getDefault().handleApplicationStrictModeViolation( 1341438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick RuntimeInit.getApplicationObject(), 1342cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick violationMaskSubset, 1343cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick info); 1344438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } catch (RemoteException e) { 134546d42387464a651268648659e91d022566d4844cBrad Fitzpatrick Log.e(TAG, "RemoteException trying to handle StrictMode violation", e); 1346727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick } finally { 1347727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick // Restore the policy. 134832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick setThreadPolicyMask(savedPolicyMask); 1349438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 1350438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 1351438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick 1352cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if ((info.policy & PENALTY_DEATH) != 0) { 13534e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick executeDeathPenalty(info); 1354438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 1355438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 1356438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick } 1357727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick 13584e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick private static void executeDeathPenalty(ViolationInfo info) { 13594e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick int violationBit = parseViolationFromMessage(info.crashInfo.exceptionMessage); 13604e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick throw new StrictModeViolation(info.policy, violationBit, null); 13614e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick } 13624e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick 1363bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick /** 1364bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick * In the common case, as set by conditionallyEnableDebugLogging, 1365bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick * we're just dropboxing any violations but not showing a dialog, 1366bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick * not loggging, and not killing the process. In these cases we 1367bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick * don't need to do a synchronous call to the ActivityManager. 1368bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick * This is used by both per-thread and vm-wide violations when 1369bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick * applicable. 1370bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick */ 1371bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick private static void dropboxViolationAsync( 1372bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick final int violationMaskSubset, final ViolationInfo info) { 1373bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick int outstanding = sDropboxCallsInFlight.incrementAndGet(); 1374bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick if (outstanding > 20) { 1375bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick // What's going on? Let's not make make the situation 1376bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick // worse and just not log. 1377bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick sDropboxCallsInFlight.decrementAndGet(); 1378bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick return; 1379bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick } 1380bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick 1381bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick if (LOG_V) Log.d(TAG, "Dropboxing async; in-flight=" + outstanding); 1382bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick 1383bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick new Thread("callActivityManagerForStrictModeDropbox") { 1384bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick public void run() { 1385bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1386bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick try { 13871065685400335ef8c1220f34b4e896e7da603789Brad Fitzpatrick IActivityManager am = ActivityManagerNative.getDefault(); 13881065685400335ef8c1220f34b4e896e7da603789Brad Fitzpatrick if (am == null) { 13891065685400335ef8c1220f34b4e896e7da603789Brad Fitzpatrick Log.d(TAG, "No activity manager; failed to Dropbox violation."); 13901065685400335ef8c1220f34b4e896e7da603789Brad Fitzpatrick } else { 13911065685400335ef8c1220f34b4e896e7da603789Brad Fitzpatrick am.handleApplicationStrictModeViolation( 13921065685400335ef8c1220f34b4e896e7da603789Brad Fitzpatrick RuntimeInit.getApplicationObject(), 13931065685400335ef8c1220f34b4e896e7da603789Brad Fitzpatrick violationMaskSubset, 13941065685400335ef8c1220f34b4e896e7da603789Brad Fitzpatrick info); 13951065685400335ef8c1220f34b4e896e7da603789Brad Fitzpatrick } 1396bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick } catch (RemoteException e) { 1397bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick Log.e(TAG, "RemoteException handling StrictMode violation", e); 1398bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick } 1399bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick int outstanding = sDropboxCallsInFlight.decrementAndGet(); 1400bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick if (LOG_V) Log.d(TAG, "Dropbox complete; in-flight=" + outstanding); 1401bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick } 1402bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick }.start(); 1403bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick } 1404bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick 14054b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom private static class AndroidCloseGuardReporter implements CloseGuard.Reporter { 14064b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom public void report (String message, Throwable allocationSite) { 14074b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom onVmPolicyViolation(message, allocationSite); 14084b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom } 14094b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom } 14104b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom 1411727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick /** 14125b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * Called from Parcel.writeNoException() 14135b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick */ 14145b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick /* package */ static boolean hasGatheredViolations() { 1415703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick return gatheredViolations.get() != null; 1416703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick } 1417703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick 1418703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick /** 1419703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick * Called from Parcel.writeException(), so we drop this memory and 1420703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick * don't incorrectly attribute it to the wrong caller on the next 1421703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick * Binder call on this thread. 1422703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick */ 1423703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick /* package */ static void clearGatheredViolations() { 1424703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick gatheredViolations.set(null); 14255b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 14265b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick 14275b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick /** 1428bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick * @hide 1429bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick */ 1430bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick public static void conditionallyCheckInstanceCounts() { 1431bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick VmPolicy policy = getVmPolicy(); 1432bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick if (policy.classInstanceLimit.size() == 0) { 1433bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick return; 1434bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick } 1435bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick Runtime.getRuntime().gc(); 1436bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick // Note: classInstanceLimit is immutable, so this is lock-free 14375f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick for (Map.Entry<Class, Integer> entry : policy.classInstanceLimit.entrySet()) { 14385f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick Class klass = entry.getKey(); 14395f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick int limit = entry.getValue(); 1440bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick long instances = VMDebug.countInstancesOfClass(klass, false); 1441bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick if (instances <= limit) { 1442bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick continue; 1443bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick } 1444bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick Throwable tr = new InstanceCountViolation(klass, instances, limit); 1445bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick onVmPolicyViolation(tr.getMessage(), tr); 1446bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick } 1447bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick } 1448bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick 1449bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick private static long sLastInstanceCountCheckMillis = 0; 14505f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick private static boolean sIsIdlerRegistered = false; // guarded by StrictMode.class 1451bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick private static final MessageQueue.IdleHandler sProcessIdleHandler = 1452bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick new MessageQueue.IdleHandler() { 1453bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick public boolean queueIdle() { 1454bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick long now = SystemClock.uptimeMillis(); 1455bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick if (now - sLastInstanceCountCheckMillis > 30 * 1000) { 1456bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick sLastInstanceCountCheckMillis = now; 1457bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick conditionallyCheckInstanceCounts(); 1458bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick } 1459bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick return true; 1460bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick } 1461bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick }; 1462bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick 1463bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick /** 146432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Sets the policy for what actions in the VM process (on any 146532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * thread) should be detected, as well as the penalty if such 146632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * actions occur. 146732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * 146832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @param policy the policy to put into place 146932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 147032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static void setVmPolicy(final VmPolicy policy) { 14715f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick synchronized (StrictMode.class) { 14725f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick sVmPolicy = policy; 14735f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick sVmPolicyMask = policy.mask; 14745f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick setCloseGuardEnabled(vmClosableObjectLeaksEnabled()); 14755f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick 14765f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick Looper looper = Looper.getMainLooper(); 14775f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick if (looper != null) { 14785f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick MessageQueue mq = looper.mQueue; 1479c0bb0bb5e3425b77b6e7820ebe25fe72bdd07782Brad Fitzpatrick if (policy.classInstanceLimit.size() == 0 || 1480c0bb0bb5e3425b77b6e7820ebe25fe72bdd07782Brad Fitzpatrick (sVmPolicyMask & VM_PENALTY_MASK) == 0) { 1481bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick mq.removeIdleHandler(sProcessIdleHandler); 1482c0bb0bb5e3425b77b6e7820ebe25fe72bdd07782Brad Fitzpatrick sIsIdlerRegistered = false; 1483bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick } else if (!sIsIdlerRegistered) { 1484bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick mq.addIdleHandler(sProcessIdleHandler); 1485bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick sIsIdlerRegistered = true; 1486bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick } 1487bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick } 1488bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick } 148932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 149032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 149132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 149232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * Gets the current VM policy. 149332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 149432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static VmPolicy getVmPolicy() { 14955f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick synchronized (StrictMode.class) { 14965f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick return sVmPolicy; 14975f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick } 149832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 149932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 150032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 150162a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick * Enable the recommended StrictMode defaults, with violations just being logged. 150262a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick * 150362a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick * <p>This catches disk and network access on the main thread, as 1504fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * well as leaked SQLite cursors and unclosed resources. This is 1505fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * simply a wrapper around {@link #setVmPolicy} and {@link 1506fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * #setThreadPolicy}. 150762a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick */ 150862a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick public static void enableDefaults() { 150962a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick StrictMode.setThreadPolicy(new StrictMode.ThreadPolicy.Builder() 151062a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick .detectAll() 151162a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick .penaltyLog() 151262a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick .build()); 151362a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick StrictMode.setVmPolicy(new StrictMode.VmPolicy.Builder() 1514e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick .detectAll() 151562a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick .penaltyLog() 151662a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick .build()); 151762a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick } 151862a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick 151962a1eb58bfafe8744d7a65f651e11b88fdb0938dBrad Fitzpatrick /** 152032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @hide 152132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 152232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static boolean vmSqliteObjectLeaksEnabled() { 152332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick return (sVmPolicyMask & DETECT_VM_CURSOR_LEAKS) != 0; 152432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 152532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 152632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 152732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick * @hide 152832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick */ 1529fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom public static boolean vmClosableObjectLeaksEnabled() { 1530fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom return (sVmPolicyMask & DETECT_VM_CLOSABLE_LEAKS) != 0; 1531fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom } 1532fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom 1533fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom /** 1534fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom * @hide 1535fd9ddd1a40efc801dc7512950cb9336967b6f775Brian Carlstrom */ 1536d7026f1612a7c1e8cc9b484038fa99b7fc29cfd7Jeff Sharkey public static boolean vmRegistrationLeaksEnabled() { 1537d7026f1612a7c1e8cc9b484038fa99b7fc29cfd7Jeff Sharkey return (sVmPolicyMask & DETECT_VM_REGISTRATION_LEAKS) != 0; 1538d7026f1612a7c1e8cc9b484038fa99b7fc29cfd7Jeff Sharkey } 1539d7026f1612a7c1e8cc9b484038fa99b7fc29cfd7Jeff Sharkey 1540d7026f1612a7c1e8cc9b484038fa99b7fc29cfd7Jeff Sharkey /** 1541d7026f1612a7c1e8cc9b484038fa99b7fc29cfd7Jeff Sharkey * @hide 1542d7026f1612a7c1e8cc9b484038fa99b7fc29cfd7Jeff Sharkey */ 1543a14acd20b8d563319ea1a5974dca0e9a29f0aaefJeff Sharkey public static boolean vmFileUriExposureEnabled() { 1544a14acd20b8d563319ea1a5974dca0e9a29f0aaefJeff Sharkey return (sVmPolicyMask & DETECT_VM_FILE_URI_EXPOSURE) != 0; 1545a14acd20b8d563319ea1a5974dca0e9a29f0aaefJeff Sharkey } 1546a14acd20b8d563319ea1a5974dca0e9a29f0aaefJeff Sharkey 1547a14acd20b8d563319ea1a5974dca0e9a29f0aaefJeff Sharkey /** 1548a14acd20b8d563319ea1a5974dca0e9a29f0aaefJeff Sharkey * @hide 1549a14acd20b8d563319ea1a5974dca0e9a29f0aaefJeff Sharkey */ 155032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick public static void onSqliteObjectLeaked(String message, Throwable originStack) { 15514b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom onVmPolicyViolation(message, originStack); 15524b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom } 15534b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom 155408d584cd1cba05284ccd2d0ea128c297624f0c47Steve Block /** 155508d584cd1cba05284ccd2d0ea128c297624f0c47Steve Block * @hide 155608d584cd1cba05284ccd2d0ea128c297624f0c47Steve Block */ 155708d584cd1cba05284ccd2d0ea128c297624f0c47Steve Block public static void onWebViewMethodCalledOnWrongThread(Throwable originStack) { 155808d584cd1cba05284ccd2d0ea128c297624f0c47Steve Block onVmPolicyViolation(null, originStack); 155908d584cd1cba05284ccd2d0ea128c297624f0c47Steve Block } 156008d584cd1cba05284ccd2d0ea128c297624f0c47Steve Block 1561d7026f1612a7c1e8cc9b484038fa99b7fc29cfd7Jeff Sharkey /** 1562d7026f1612a7c1e8cc9b484038fa99b7fc29cfd7Jeff Sharkey * @hide 1563d7026f1612a7c1e8cc9b484038fa99b7fc29cfd7Jeff Sharkey */ 1564d7026f1612a7c1e8cc9b484038fa99b7fc29cfd7Jeff Sharkey public static void onIntentReceiverLeaked(Throwable originStack) { 1565d7026f1612a7c1e8cc9b484038fa99b7fc29cfd7Jeff Sharkey onVmPolicyViolation(null, originStack); 1566d7026f1612a7c1e8cc9b484038fa99b7fc29cfd7Jeff Sharkey } 1567d7026f1612a7c1e8cc9b484038fa99b7fc29cfd7Jeff Sharkey 1568d7026f1612a7c1e8cc9b484038fa99b7fc29cfd7Jeff Sharkey /** 1569d7026f1612a7c1e8cc9b484038fa99b7fc29cfd7Jeff Sharkey * @hide 1570d7026f1612a7c1e8cc9b484038fa99b7fc29cfd7Jeff Sharkey */ 1571d7026f1612a7c1e8cc9b484038fa99b7fc29cfd7Jeff Sharkey public static void onServiceConnectionLeaked(Throwable originStack) { 1572d7026f1612a7c1e8cc9b484038fa99b7fc29cfd7Jeff Sharkey onVmPolicyViolation(null, originStack); 1573d7026f1612a7c1e8cc9b484038fa99b7fc29cfd7Jeff Sharkey } 1574d7026f1612a7c1e8cc9b484038fa99b7fc29cfd7Jeff Sharkey 1575a14acd20b8d563319ea1a5974dca0e9a29f0aaefJeff Sharkey /** 1576a14acd20b8d563319ea1a5974dca0e9a29f0aaefJeff Sharkey * @hide 1577a14acd20b8d563319ea1a5974dca0e9a29f0aaefJeff Sharkey */ 1578a14acd20b8d563319ea1a5974dca0e9a29f0aaefJeff Sharkey public static void onFileUriExposed(String location) { 1579a14acd20b8d563319ea1a5974dca0e9a29f0aaefJeff Sharkey final String message = "file:// Uri exposed through " + location; 1580a14acd20b8d563319ea1a5974dca0e9a29f0aaefJeff Sharkey onVmPolicyViolation(message, new Throwable(message)); 1581a14acd20b8d563319ea1a5974dca0e9a29f0aaefJeff Sharkey } 1582a14acd20b8d563319ea1a5974dca0e9a29f0aaefJeff Sharkey 1583bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick // Map from VM violation fingerprint to uptime millis. 1584bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick private static final HashMap<Integer, Long> sLastVmViolationTime = new HashMap<Integer, Long>(); 1585bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick 15864b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom /** 15874b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom * @hide 15884b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom */ 15894b9b7c38e8f52259f9d2f960072d35e8a1ab2129Brian Carlstrom public static void onVmPolicyViolation(String message, Throwable originStack) { 1590bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick final boolean penaltyDropbox = (sVmPolicyMask & PENALTY_DROPBOX) != 0; 1591bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick final boolean penaltyDeath = (sVmPolicyMask & PENALTY_DEATH) != 0; 1592bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick final boolean penaltyLog = (sVmPolicyMask & PENALTY_LOG) != 0; 1593bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick final ViolationInfo info = new ViolationInfo(originStack, sVmPolicyMask); 1594bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick 15955f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick // Erase stuff not relevant for process-wide violations 15965f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick info.numAnimationsRunning = 0; 15975f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick info.tags = null; 15985f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick info.broadcastIntentAction = null; 15995f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick 1600bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick final Integer fingerprint = info.hashCode(); 1601bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick final long now = SystemClock.uptimeMillis(); 1602bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick long lastViolationTime = 0; 1603bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick long timeSinceLastViolationMillis = Long.MAX_VALUE; 1604bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick synchronized (sLastVmViolationTime) { 1605bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick if (sLastVmViolationTime.containsKey(fingerprint)) { 1606bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick lastViolationTime = sLastVmViolationTime.get(fingerprint); 1607bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick timeSinceLastViolationMillis = now - lastViolationTime; 1608bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick } 1609bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick if (timeSinceLastViolationMillis > MIN_LOG_INTERVAL_MS) { 1610bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick sLastVmViolationTime.put(fingerprint, now); 1611bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick } 161232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 161332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 1614bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick if (penaltyLog && timeSinceLastViolationMillis > MIN_LOG_INTERVAL_MS) { 1615bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick Log.e(TAG, message, originStack); 1616bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick } 1617bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick 1618bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick int violationMaskSubset = PENALTY_DROPBOX | (ALL_VM_DETECT_BITS & sVmPolicyMask); 1619bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick 1620bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick if (penaltyDropbox && !penaltyDeath) { 1621bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick // Common case for userdebug/eng builds. If no death and 1622bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick // just dropboxing, we can do the ActivityManager call 1623bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick // asynchronously. 1624bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick dropboxViolationAsync(violationMaskSubset, info); 1625bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick return; 1626bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick } 162732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 1628bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick if (penaltyDropbox && lastViolationTime == 0) { 162932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // The violationMask, passed to ActivityManager, is a 163032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // subset of the original StrictMode policy bitmask, with 163132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // only the bit violated and penalty bits to be executed 163232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // by the ActivityManagerService remaining set. 163332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick final int savedPolicyMask = getThreadPolicyMask(); 163432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick try { 163532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // First, remove any policy before we call into the Activity Manager, 163632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // otherwise we'll infinite recurse as we try to log policy violations 163732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // to disk, thus violating policy, thus requiring logging, etc... 163832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // We restore the current policy below, in the finally block. 163932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick setThreadPolicyMask(0); 164032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 164132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick ActivityManagerNative.getDefault().handleApplicationStrictModeViolation( 164232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick RuntimeInit.getApplicationObject(), 164332e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick violationMaskSubset, 164432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick info); 164532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } catch (RemoteException e) { 164632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick Log.e(TAG, "RemoteException trying to handle StrictMode violation", e); 164732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } finally { 164832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick // Restore the policy. 164932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick setThreadPolicyMask(savedPolicyMask); 165032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 165132e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 165232e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 1653bee248769d51adb335b71b329b3d7813c5c71851Brad Fitzpatrick if (penaltyDeath) { 165432e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick System.err.println("StrictMode VmPolicy violation with POLICY_DEATH; shutting down."); 165532e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick Process.killProcess(Process.myPid()); 165632e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick System.exit(10); 165732e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 165832e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick } 165932e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick 166032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick /** 16615b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * Called from Parcel.writeNoException() 16625b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick */ 16635b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick /* package */ static void writeGatheredViolationsToParcel(Parcel p) { 1664cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick ArrayList<ViolationInfo> violations = gatheredViolations.get(); 1665703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick if (violations == null) { 1666703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick p.writeInt(0); 1667703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick } else { 1668703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick p.writeInt(violations.size()); 1669703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick for (int i = 0; i < violations.size(); ++i) { 1670703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick violations.get(i).writeToParcel(p, 0 /* unused flags? */); 1671703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick } 1672703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick if (LOG_V) Log.d(TAG, "wrote violations to response parcel; num=" + violations.size()); 1673703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick violations.clear(); // somewhat redundant, as we're about to null the threadlocal 16745b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 1675703e5d3c7fbeb8ca0978045db01d40318f838612Brad Fitzpatrick gatheredViolations.set(null); 16765b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 16775b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick 16785b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick private static class LogStackTrace extends Exception {} 16795b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick 16805b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick /** 16815b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * Called from Parcel.readException() when the exception is EX_STRICT_MODE_VIOLATIONS, 16825b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick * we here read back all the encoded violations. 16835b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick */ 16845b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick /* package */ static void readAndHandleBinderCallViolations(Parcel p) { 16855b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick // Our own stack trace to append 16865b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick StringWriter sw = new StringWriter(); 1687cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick new LogStackTrace().printStackTrace(new PrintWriter(sw)); 16885b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick String ourStack = sw.toString(); 16895b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick 169032e60c7942eeba920ec5c27b372ec0899fd75a20Brad Fitzpatrick int policyMask = getThreadPolicyMask(); 1691cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick boolean currentlyGathering = (policyMask & PENALTY_GATHER) != 0; 16925b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick 16935b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick int numViolations = p.readInt(); 16945b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick for (int i = 0; i < numViolations; ++i) { 16955b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick if (LOG_V) Log.d(TAG, "strict mode violation stacks read from binder call. i=" + i); 1696cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick ViolationInfo info = new ViolationInfo(p, !currentlyGathering); 1697cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick info.crashInfo.stackTrace += "# via Binder call with stack:\n" + ourStack; 16985b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick BlockGuard.Policy policy = BlockGuard.getThreadPolicy(); 16995b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick if (policy instanceof AndroidBlockGuardPolicy) { 1700cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick ((AndroidBlockGuardPolicy) policy).handleViolationWithTimingAttempt(info); 17015b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 17025b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 17035b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick } 17045b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick 17055b747191ff8ad43a54d41faf50436271d1d7fcc8Brad Fitzpatrick /** 1706727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick * Called from android_util_Binder.cpp's 1707727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick * android_os_Parcel_enforceInterface when an incoming Binder call 1708727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick * requires changing the StrictMode policy mask. The role of this 1709727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick * function is to ask Binder for its current (native) thread-local 1710727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick * policy value and synchronize it to libcore's (Java) 1711727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick * thread-local policy value. 1712727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick */ 1713727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick private static void onBinderStrictModePolicyChange(int newPolicy) { 1714727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick setBlockGuardPolicy(newPolicy); 1715727de40c6bc7c6521a0542ea9def5d5c7b1c5e06Brad Fitzpatrick } 1716cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 1717cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick /** 1718e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * A tracked, critical time span. (e.g. during an animation.) 1719e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * 1720e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * The object itself is a linked list node, to avoid any allocations 1721e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * during rapid span entries and exits. 1722e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * 1723e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * @hide 1724e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick */ 1725e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick public static class Span { 1726e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick private String mName; 1727e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick private long mCreateMillis; 1728e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick private Span mNext; 1729e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick private Span mPrev; // not used when in freeList, only active 1730e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick private final ThreadSpanState mContainerState; 1731e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick 1732e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick Span(ThreadSpanState threadState) { 1733e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick mContainerState = threadState; 1734e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1735e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick 17361181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick // Empty constructor for the NO_OP_SPAN 17371181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick protected Span() { 17381181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick mContainerState = null; 17391181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick } 17401181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick 1741e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick /** 1742e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * To be called when the critical span is complete (i.e. the 1743e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * animation is done animating). This can be called on any 1744e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * thread (even a different one from where the animation was 1745e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * taking place), but that's only a defensive implementation 1746e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * measure. It really makes no sense for you to call this on 1747e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * thread other than that where you created it. 1748e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * 1749e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * @hide 1750e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick */ 1751e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick public void finish() { 1752e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick ThreadSpanState state = mContainerState; 1753e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick synchronized (state) { 1754e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick if (mName == null) { 1755e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick // Duplicate finish call. Ignore. 1756e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick return; 1757e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1758e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick 1759e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick // Remove ourselves from the active list. 1760e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick if (mPrev != null) { 1761e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick mPrev.mNext = mNext; 1762e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1763e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick if (mNext != null) { 1764e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick mNext.mPrev = mPrev; 1765e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1766e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick if (state.mActiveHead == this) { 1767e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick state.mActiveHead = mNext; 1768e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1769e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick 17701cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick state.mActiveSize--; 17711cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick 17721cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick if (LOG_V) Log.d(TAG, "Span finished=" + mName + "; size=" + state.mActiveSize); 17731cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick 1774e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick this.mCreateMillis = -1; 1775e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick this.mName = null; 1776e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick this.mPrev = null; 1777e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick this.mNext = null; 1778e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick 1779e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick // Add ourselves to the freeList, if it's not already 1780e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick // too big. 1781e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick if (state.mFreeListSize < 5) { 1782e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick this.mNext = state.mFreeListHead; 1783e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick state.mFreeListHead = this; 1784e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick state.mFreeListSize++; 1785e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1786e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1787e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1788e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1789e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick 17901181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick // The no-op span that's used in user builds. 17911181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick private static final Span NO_OP_SPAN = new Span() { 17921181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick public void finish() { 17931181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick // Do nothing. 17941181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick } 17951181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick }; 17961181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick 1797e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick /** 1798e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * Linked lists of active spans and a freelist. 1799e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * 1800e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * Locking notes: there's one of these structures per thread and 1801e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * all members of this structure (as well as the Span nodes under 1802e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * it) are guarded by the ThreadSpanState object instance. While 1803e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * in theory there'd be no locking required because it's all local 1804e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * per-thread, the finish() method above is defensive against 1805e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * people calling it on a different thread from where they created 1806e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * the Span, hence the locking. 1807e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick */ 1808e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick private static class ThreadSpanState { 1809e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick public Span mActiveHead; // doubly-linked list. 1810e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick public int mActiveSize; 1811e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick public Span mFreeListHead; // singly-linked list. only changes at head. 1812e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick public int mFreeListSize; 1813e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1814e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick 1815e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick private static final ThreadLocal<ThreadSpanState> sThisThreadSpanState = 1816e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick new ThreadLocal<ThreadSpanState>() { 1817e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick @Override protected ThreadSpanState initialValue() { 1818e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick return new ThreadSpanState(); 1819e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1820e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick }; 1821e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick 1822cdcb73ef781b8f7d37d9f758409a0c7671517b37Brad Fitzpatrick private static Singleton<IWindowManager> sWindowManager = new Singleton<IWindowManager>() { 1823cdcb73ef781b8f7d37d9f758409a0c7671517b37Brad Fitzpatrick protected IWindowManager create() { 1824cdcb73ef781b8f7d37d9f758409a0c7671517b37Brad Fitzpatrick return IWindowManager.Stub.asInterface(ServiceManager.getService("window")); 1825cdcb73ef781b8f7d37d9f758409a0c7671517b37Brad Fitzpatrick } 1826cdcb73ef781b8f7d37d9f758409a0c7671517b37Brad Fitzpatrick }; 1827cdcb73ef781b8f7d37d9f758409a0c7671517b37Brad Fitzpatrick 1828e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick /** 1829e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * Enter a named critical span (e.g. an animation) 1830e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * 1831e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * <p>The name is an arbitary label (or tag) that will be applied 1832e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * to any strictmode violation that happens while this span is 1833e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * active. You must call finish() on the span when done. 1834e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * 1835e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * <p>This will never return null, but on devices without debugging 1836e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * enabled, this may return a dummy object on which the finish() 1837e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * method is a no-op. 1838e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * 1839e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * <p>TODO: add CloseGuard to this, verifying callers call finish. 1840e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * 1841e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * @hide 1842e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick */ 1843e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick public static Span enterCriticalSpan(String name) { 18441181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick if (IS_USER_BUILD) { 18451181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick return NO_OP_SPAN; 18461181cbbfd7c913c51d9836272ad30cfe851c4699Brad Fitzpatrick } 1847e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick if (name == null || name.isEmpty()) { 1848e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick throw new IllegalArgumentException("name must be non-null and non-empty"); 1849e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1850e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick ThreadSpanState state = sThisThreadSpanState.get(); 1851e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick Span span = null; 1852e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick synchronized (state) { 1853e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick if (state.mFreeListHead != null) { 1854e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick span = state.mFreeListHead; 1855e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick state.mFreeListHead = span.mNext; 1856e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick state.mFreeListSize--; 1857e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } else { 1858e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick // Shouldn't have to do this often. 1859e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick span = new Span(state); 1860e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1861e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick span.mName = name; 1862e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick span.mCreateMillis = SystemClock.uptimeMillis(); 1863e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick span.mNext = state.mActiveHead; 1864e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick span.mPrev = null; 1865e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick state.mActiveHead = span; 1866e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick state.mActiveSize++; 1867e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick if (span.mNext != null) { 1868e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick span.mNext.mPrev = span; 1869e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 18701cc13b6d1cc7203ad126b0708f0bf697e111264fBrad Fitzpatrick if (LOG_V) Log.d(TAG, "Span enter=" + name + "; size=" + state.mActiveSize); 1871e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1872e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick return span; 1873e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 1874e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick 1875e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick /** 1876e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick * For code to note that it's slow. This is a no-op unless the 1877e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick * current thread's {@link android.os.StrictMode.ThreadPolicy} has 1878e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick * {@link android.os.StrictMode.ThreadPolicy.Builder#detectCustomSlowCalls} 1879e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick * enabled. 1880e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick * 1881e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick * @param name a short string for the exception stack trace that's 1882e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick * built if when this fires. 1883e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick */ 1884e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick public static void noteSlowCall(String name) { 1885e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick BlockGuard.Policy policy = BlockGuard.getThreadPolicy(); 1886e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick if (!(policy instanceof AndroidBlockGuardPolicy)) { 1887e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick // StrictMode not enabled. 1888e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick return; 1889e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick } 1890e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick ((AndroidBlockGuardPolicy) policy).onCustomSlowCall(name); 1891e36f9bf123c7cd07ce1007a16de564b2840ea1feBrad Fitzpatrick } 1892e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick 1893e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick /** 18944e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick * @hide 18954e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick */ 18964e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick public static void noteDiskRead() { 18974e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick BlockGuard.Policy policy = BlockGuard.getThreadPolicy(); 18984e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick if (!(policy instanceof AndroidBlockGuardPolicy)) { 18994e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick // StrictMode not enabled. 19004e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick return; 19014e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick } 19024e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick ((AndroidBlockGuardPolicy) policy).onReadFromDisk(); 19034e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick } 19044e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick 19054e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick /** 19064e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick * @hide 19074e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick */ 19084e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick public static void noteDiskWrite() { 19094e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick BlockGuard.Policy policy = BlockGuard.getThreadPolicy(); 19104e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick if (!(policy instanceof AndroidBlockGuardPolicy)) { 19114e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick // StrictMode not enabled. 19124e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick return; 19134e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick } 19144e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick ((AndroidBlockGuardPolicy) policy).onWriteToDisk(); 19154e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick } 19164e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick 19175f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick // Guarded by StrictMode.class 19185f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick private static final HashMap<Class, Integer> sExpectedActivityInstanceCount = 19195f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick new HashMap<Class, Integer>(); 19205f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick 19214e920f70f38d52d3a74c6a3133388a2e2cb6c175Brad Fitzpatrick /** 19227e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown * Returns an object that is used to track instances of activites. 19237e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown * The activity should store a reference to the tracker object in one of its fields. 19247e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown * @hide 19257e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown */ 19267e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown public static Object trackActivity(Object instance) { 19277e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown return new InstanceTracker(instance); 19287e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown } 19297e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown 19307e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown /** 1931758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick * @hide 1932758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick */ 19335f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick public static void incrementExpectedActivityCount(Class klass) { 19347e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown if (klass == null) { 1935758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick return; 1936758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick } 19377e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown 19385f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick synchronized (StrictMode.class) { 19397e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown if ((sVmPolicy.mask & DETECT_VM_ACTIVITY_LEAKS) == 0) { 19407e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown return; 19417e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown } 19427e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown 19435f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick Integer expected = sExpectedActivityInstanceCount.get(klass); 19445f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick Integer newExpected = expected == null ? 1 : expected + 1; 19455f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick sExpectedActivityInstanceCount.put(klass, newExpected); 19465f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick } 19475f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick } 19485f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick 19495f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick /** 19505f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick * @hide 19515f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick */ 19525f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick public static void decrementExpectedActivityCount(Class klass) { 19537e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown if (klass == null) { 1954758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick return; 1955758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick } 19567e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown 19577e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown final int limit; 19585f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick synchronized (StrictMode.class) { 19597e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown if ((sVmPolicy.mask & DETECT_VM_ACTIVITY_LEAKS) == 0) { 19607e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown return; 19617e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown } 19627e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown 19635f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick Integer expected = sExpectedActivityInstanceCount.get(klass); 19647e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown int newExpected = (expected == null || expected == 0) ? 0 : expected - 1; 19655f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick if (newExpected == 0) { 19665f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick sExpectedActivityInstanceCount.remove(klass); 19675f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick } else { 19685f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick sExpectedActivityInstanceCount.put(klass, newExpected); 19695f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick } 19707e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown 19715f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick // Note: adding 1 here to give some breathing room during 19725f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick // orientation changes. (shouldn't be necessary, though?) 19737e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown limit = newExpected + 1; 19745f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick } 19755f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick 19767e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown // Quick check. 19777e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown int actual = InstanceTracker.getInstanceCount(klass); 19787e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown if (actual <= limit) { 19797e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown return; 19807e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown } 19817e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown 19827e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown // Do a GC and explicit count to double-check. 19837e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown // This is the work that we are trying to avoid by tracking the object instances 19847e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown // explicity. Running an explicit GC can be expensive (80ms) and so can walking 19857e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown // the heap to count instance (30ms). This extra work can make the system feel 19867e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown // noticeably less responsive during orientation changes when activities are 19877e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown // being restarted. Granted, it is only a problem when StrictMode is enabled 19887e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown // but it is annoying. 19897e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown Runtime.getRuntime().gc(); 19907e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown 19917e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown long instances = VMDebug.countInstancesOfClass(klass, false); 19927e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown if (instances > limit) { 19937e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown Throwable tr = new InstanceCountViolation(klass, instances, limit); 19947e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown onVmPolicyViolation(tr.getMessage(), tr); 19955f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick } 1996758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick } 1997758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick 1998758035757f11a085a12b54daa9467f1d6bb251efBrad Fitzpatrick /** 1999cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * Parcelable that gets sent in Binder call headers back to callers 2000cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * to report violations that happened during a cross-process call. 2001cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * 2002cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * @hide 2003cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick */ 2004cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick public static class ViolationInfo { 2005cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick /** 2006cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * Stack and other stuff info. 2007cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick */ 2008cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick public final ApplicationErrorReport.CrashInfo crashInfo; 2009cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 2010cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick /** 2011cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * The strict mode policy mask at the time of violation. 2012cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick */ 2013cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick public final int policy; 2014cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 2015cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick /** 2016cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * The wall time duration of the violation, when known. -1 when 2017cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * not known. 2018cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick */ 2019cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick public int durationMillis = -1; 2020cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 2021cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick /** 2022599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick * The number of animations currently running. 2023599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick */ 2024599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick public int numAnimationsRunning = 0; 2025599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick 2026599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick /** 2027e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * List of tags from active Span instances during this 2028e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick * violation, or null for none. 2029e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick */ 2030e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick public String[] tags; 2031e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick 2032e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick /** 2033cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * Which violation number this was (1-based) since the last Looper loop, 2034cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * from the perspective of the root caller (if it crossed any processes 2035cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * via Binder calls). The value is 0 if the root caller wasn't on a Looper 2036cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * thread. 2037cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick */ 2038cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick public int violationNumThisLoop; 2039cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 2040cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick /** 2041cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * The time (in terms of SystemClock.uptimeMillis()) that the 2042cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * violation occurred. 2043cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick */ 2044cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick public long violationUptimeMillis; 2045cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 2046cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick /** 2047bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick * The action of the Intent being broadcast to somebody's onReceive 2048bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick * on this thread right now, or null. 2049bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick */ 2050bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick public String broadcastIntentAction; 2051bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick 2052bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick /** 2053bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick * If this is a instance count violation, the number of instances in memory, 2054bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick * else -1. 2055bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick */ 2056bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick public long numInstances = -1; 2057bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick 2058bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick /** 2059cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * Create an uninitialized instance of ViolationInfo 2060cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick */ 2061cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick public ViolationInfo() { 2062cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick crashInfo = null; 2063cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick policy = 0; 2064cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 2065cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 2066cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick /** 2067cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * Create an instance of ViolationInfo initialized from an exception. 2068cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick */ 2069cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick public ViolationInfo(Throwable tr, int policy) { 2070cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick crashInfo = new ApplicationErrorReport.CrashInfo(tr); 2071cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick violationUptimeMillis = SystemClock.uptimeMillis(); 2072cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick this.policy = policy; 2073599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick this.numAnimationsRunning = ValueAnimator.getCurrentAnimationsCount(); 2074bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick Intent broadcastIntent = ActivityThread.getIntentBeingBroadcast(); 2075bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick if (broadcastIntent != null) { 2076bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick broadcastIntentAction = broadcastIntent.getAction(); 2077bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick } 2078e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick ThreadSpanState state = sThisThreadSpanState.get(); 2079bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick if (tr instanceof InstanceCountViolation) { 2080bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick this.numInstances = ((InstanceCountViolation) tr).mInstances; 2081bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick } 2082e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick synchronized (state) { 2083e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick int spanActiveCount = state.mActiveSize; 2084e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick if (spanActiveCount > MAX_SPAN_TAGS) { 2085e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick spanActiveCount = MAX_SPAN_TAGS; 2086e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 2087e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick if (spanActiveCount != 0) { 2088e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick this.tags = new String[spanActiveCount]; 2089e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick Span iter = state.mActiveHead; 2090e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick int index = 0; 2091e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick while (iter != null && index < spanActiveCount) { 2092e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick this.tags[index] = iter.mName; 2093e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick index++; 2094e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick iter = iter.mNext; 2095e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 2096e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 2097e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 2098cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 2099cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 2100f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick @Override 2101f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick public int hashCode() { 2102f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick int result = 17; 2103f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick result = 37 * result + crashInfo.stackTrace.hashCode(); 2104f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick if (numAnimationsRunning != 0) { 2105f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick result *= 37; 2106f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick } 2107f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick if (broadcastIntentAction != null) { 2108f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick result = 37 * result + broadcastIntentAction.hashCode(); 2109f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick } 2110f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick if (tags != null) { 2111f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick for (String tag : tags) { 2112f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick result = 37 * result + tag.hashCode(); 2113f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick } 2114f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick } 2115f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick return result; 2116f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick } 2117f3d86be6d7d2999cd6bae236817688490df7da71Brad Fitzpatrick 2118cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick /** 2119cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * Create an instance of ViolationInfo initialized from a Parcel. 2120cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick */ 2121cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick public ViolationInfo(Parcel in) { 2122cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick this(in, false); 2123cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 2124cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 2125cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick /** 2126cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * Create an instance of ViolationInfo initialized from a Parcel. 2127cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * 2128cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * @param unsetGatheringBit if true, the caller is the root caller 2129cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * and the gathering penalty should be removed. 2130cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick */ 2131cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick public ViolationInfo(Parcel in, boolean unsetGatheringBit) { 2132cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick crashInfo = new ApplicationErrorReport.CrashInfo(in); 2133cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick int rawPolicy = in.readInt(); 2134cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if (unsetGatheringBit) { 2135cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick policy = rawPolicy & ~PENALTY_GATHER; 2136cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } else { 2137cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick policy = rawPolicy; 2138cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 2139cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick durationMillis = in.readInt(); 2140cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick violationNumThisLoop = in.readInt(); 2141599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick numAnimationsRunning = in.readInt(); 2142cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick violationUptimeMillis = in.readLong(); 2143bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick numInstances = in.readLong(); 2144bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick broadcastIntentAction = in.readString(); 2145e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick tags = in.readStringArray(); 2146cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 2147cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 2148cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick /** 2149cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * Save a ViolationInfo instance to a parcel. 2150cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick */ 2151cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick public void writeToParcel(Parcel dest, int flags) { 2152cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick crashInfo.writeToParcel(dest, flags); 2153cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick dest.writeInt(policy); 2154cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick dest.writeInt(durationMillis); 2155cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick dest.writeInt(violationNumThisLoop); 2156599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick dest.writeInt(numAnimationsRunning); 2157cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick dest.writeLong(violationUptimeMillis); 2158bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick dest.writeLong(numInstances); 2159bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick dest.writeString(broadcastIntentAction); 2160e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick dest.writeStringArray(tags); 2161cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 2162cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 2163cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 2164cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick /** 2165cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick * Dump a ViolationInfo instance to a Printer. 2166cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick */ 2167cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick public void dump(Printer pw, String prefix) { 2168cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick crashInfo.dump(pw, prefix); 2169cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick pw.println(prefix + "policy: " + policy); 2170cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if (durationMillis != -1) { 2171cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick pw.println(prefix + "durationMillis: " + durationMillis); 2172cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 2173bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick if (numInstances != -1) { 2174bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick pw.println(prefix + "numInstances: " + numInstances); 2175bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick } 2176cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick if (violationNumThisLoop != 0) { 2177cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick pw.println(prefix + "violationNumThisLoop: " + violationNumThisLoop); 2178cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 2179599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick if (numAnimationsRunning != 0) { 2180599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick pw.println(prefix + "numAnimationsRunning: " + numAnimationsRunning); 2181599ca29986235e07f532c7b112507f6c39b5dba9Brad Fitzpatrick } 2182cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick pw.println(prefix + "violationUptimeMillis: " + violationUptimeMillis); 2183bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick if (broadcastIntentAction != null) { 2184bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick pw.println(prefix + "broadcastIntentAction: " + broadcastIntentAction); 2185bfb191998eba2ebc710ff9eb59480b10909ba4c9Brad Fitzpatrick } 2186e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick if (tags != null) { 2187e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick int index = 0; 2188e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick for (String tag : tags) { 2189e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick pw.println(prefix + "tag[" + (index++) + "]: " + tag); 2190e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 2191e7520d89fe2c5dc9dd833ecd9769c981df855b61Brad Fitzpatrick } 2192cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 2193cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick 2194cb9ceb1029036363a81952d8ed5dfcbc83e6ff72Brad Fitzpatrick } 2195bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick 2196bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick // Dummy throwable, for now, since we don't know when or where the 2197bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick // leaked instances came from. We might in the future, but for 2198bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick // now we suppress the stack trace because it's useless and/or 2199bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick // misleading. 2200bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick private static class InstanceCountViolation extends Throwable { 2201bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick final Class mClass; 2202bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick final long mInstances; 2203bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick final int mLimit; 2204bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick 22055f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick private static final StackTraceElement[] FAKE_STACK = { 22065f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick new StackTraceElement("android.os.StrictMode", "setClassInstanceLimit", 22075f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick "StrictMode.java", 1) 22085f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick }; 2209bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick 2210bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick public InstanceCountViolation(Class klass, long instances, int limit) { 22115f8b5c191cae77f536ee64f0b625e4a7f8596787Brad Fitzpatrick super(klass.toString() + "; instances=" + instances + "; limit=" + limit); 2212bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick setStackTrace(FAKE_STACK); 2213bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick mClass = klass; 2214bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick mInstances = instances; 2215bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick mLimit = limit; 2216bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick } 2217bfbe5771106a07f9c8e8685e402b1003db40526fBrad Fitzpatrick } 22187e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown 22197e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown private static final class InstanceTracker { 22207e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown private static final HashMap<Class<?>, Integer> sInstanceCounts = 22217e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown new HashMap<Class<?>, Integer>(); 22227e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown 22237e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown private final Class<?> mKlass; 22247e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown 22257e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown public InstanceTracker(Object instance) { 22267e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown mKlass = instance.getClass(); 22277e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown 22287e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown synchronized (sInstanceCounts) { 22297e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown final Integer value = sInstanceCounts.get(mKlass); 22307e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown final int newValue = value != null ? value + 1 : 1; 22317e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown sInstanceCounts.put(mKlass, newValue); 22327e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown } 22337e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown } 22347e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown 22357e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown @Override 22367e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown protected void finalize() throws Throwable { 22377e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown try { 22387e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown synchronized (sInstanceCounts) { 22397e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown final Integer value = sInstanceCounts.get(mKlass); 22407e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown if (value != null) { 22417e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown final int newValue = value - 1; 22427e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown if (newValue > 0) { 22437e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown sInstanceCounts.put(mKlass, newValue); 22447e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown } else { 22457e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown sInstanceCounts.remove(mKlass); 22467e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown } 22477e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown } 22487e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown } 22497e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown } finally { 22507e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown super.finalize(); 22517e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown } 22527e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown } 22537e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown 22547e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown public static int getInstanceCount(Class<?> klass) { 22557e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown synchronized (sInstanceCounts) { 22567e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown final Integer value = sInstanceCounts.get(klass); 22577e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown return value != null ? value : 0; 22587e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown } 22597e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown } 22607e442837702a6e026c73a01fedb62c222b63cfc9Jeff Brown } 2261438d0595121a7a2cdf19741e76e3c0e21a5c173dBrad Fitzpatrick} 2262