diff options
Diffstat (limited to 'android/util')
| -rw-r--r-- | android/util/Log.java | 295 | ||||
| -rw-r--r-- | android/util/LruCache.java | 25 | ||||
| -rw-r--r-- | android/util/StatsLog.java | 76 | ||||
| -rw-r--r-- | android/util/StatsLogKey.java | 48 | ||||
| -rw-r--r-- | android/util/StatsLogTag.java | 32 | ||||
| -rw-r--r-- | android/util/StatsLogValue.java | 54 |
6 files changed, 36 insertions, 494 deletions
diff --git a/android/util/Log.java b/android/util/Log.java index 02998653..b94e48b3 100644 --- a/android/util/Log.java +++ b/android/util/Log.java @@ -16,45 +16,12 @@ package android.util; -import android.os.DeadSystemException; - -import com.android.internal.os.RuntimeInit; -import com.android.internal.util.FastPrintWriter; -import com.android.internal.util.LineBreakBufferedWriter; - import java.io.PrintWriter; import java.io.StringWriter; -import java.io.Writer; import java.net.UnknownHostException; /** - * API for sending log output. - * - * <p>Generally, you should use the {@link #v Log.v()}, {@link #d Log.d()}, - * {@link #i Log.i()}, {@link #w Log.w()}, and {@link #e Log.e()} methods to write logs. - * You can then <a href="{@docRoot}studio/debug/am-logcat.html">view the logs in logcat</a>. - * - * <p>The order in terms of verbosity, from least to most is - * ERROR, WARN, INFO, DEBUG, VERBOSE. Verbose should never be compiled - * into an application except during development. Debug logs are compiled - * in but stripped at runtime. Error, warning and info logs are always kept. - * - * <p><b>Tip:</b> A good convention is to declare a <code>TAG</code> constant - * in your class: - * - * <pre>private static final String TAG = "MyActivity";</pre> - * - * and use that in subsequent calls to the log methods. - * </p> - * - * <p><b>Tip:</b> Don't forget that when you make a call like - * <pre>Log.v(TAG, "index=" + i);</pre> - * that when you're building the string to pass into Log.d, the compiler uses a - * StringBuilder and at least three allocations occur: the StringBuilder - * itself, the buffer, and the String object. Realistically, there is also - * another buffer allocation and copy, and even more pressure on the gc. - * That means that if your log message is filtered out, you might be doing - * significant work and incurring significant overhead. + * Mock Log implementation for testing on non android host. */ public final class Log { @@ -88,29 +55,6 @@ public final class Log { */ public static final int ASSERT = 7; - /** - * Exception class used to capture a stack trace in {@link #wtf}. - * @hide - */ - public static class TerribleFailure extends Exception { - TerribleFailure(String msg, Throwable cause) { super(msg, cause); } - } - - /** - * Interface to handle terrible failures from {@link #wtf}. - * - * @hide - */ - public interface TerribleFailureHandler { - void onTerribleFailure(String tag, TerribleFailure what, boolean system); - } - - private static TerribleFailureHandler sWtfHandler = new TerribleFailureHandler() { - public void onTerribleFailure(String tag, TerribleFailure what, boolean system) { - RuntimeInit.wtf(tag, what, system); - } - }; - private Log() { } @@ -121,7 +65,7 @@ public final class Log { * @param msg The message you would like logged. */ public static int v(String tag, String msg) { - return println_native(LOG_ID_MAIN, VERBOSE, tag, msg); + return println(LOG_ID_MAIN, VERBOSE, tag, msg); } /** @@ -132,7 +76,7 @@ public final class Log { * @param tr An exception to log */ public static int v(String tag, String msg, Throwable tr) { - return printlns(LOG_ID_MAIN, VERBOSE, tag, msg, tr); + return println(LOG_ID_MAIN, VERBOSE, tag, msg + '\n' + getStackTraceString(tr)); } /** @@ -142,7 +86,7 @@ public final class Log { * @param msg The message you would like logged. */ public static int d(String tag, String msg) { - return println_native(LOG_ID_MAIN, DEBUG, tag, msg); + return println(LOG_ID_MAIN, DEBUG, tag, msg); } /** @@ -153,7 +97,7 @@ public final class Log { * @param tr An exception to log */ public static int d(String tag, String msg, Throwable tr) { - return printlns(LOG_ID_MAIN, DEBUG, tag, msg, tr); + return println(LOG_ID_MAIN, DEBUG, tag, msg + '\n' + getStackTraceString(tr)); } /** @@ -163,7 +107,7 @@ public final class Log { * @param msg The message you would like logged. */ public static int i(String tag, String msg) { - return println_native(LOG_ID_MAIN, INFO, tag, msg); + return println(LOG_ID_MAIN, INFO, tag, msg); } /** @@ -174,7 +118,7 @@ public final class Log { * @param tr An exception to log */ public static int i(String tag, String msg, Throwable tr) { - return printlns(LOG_ID_MAIN, INFO, tag, msg, tr); + return println(LOG_ID_MAIN, INFO, tag, msg + '\n' + getStackTraceString(tr)); } /** @@ -184,7 +128,7 @@ public final class Log { * @param msg The message you would like logged. */ public static int w(String tag, String msg) { - return println_native(LOG_ID_MAIN, WARN, tag, msg); + return println(LOG_ID_MAIN, WARN, tag, msg); } /** @@ -195,31 +139,9 @@ public final class Log { * @param tr An exception to log */ public static int w(String tag, String msg, Throwable tr) { - return printlns(LOG_ID_MAIN, WARN, tag, msg, tr); + return println(LOG_ID_MAIN, WARN, tag, msg + '\n' + getStackTraceString(tr)); } - /** - * Checks to see whether or not a log for the specified tag is loggable at the specified level. - * - * The default level of any tag is set to INFO. This means that any level above and including - * INFO will be logged. Before you make any calls to a logging method you should check to see - * if your tag should be logged. You can change the default level by setting a system property: - * 'setprop log.tag.<YOUR_LOG_TAG> <LEVEL>' - * Where level is either VERBOSE, DEBUG, INFO, WARN, ERROR, ASSERT, or SUPPRESS. SUPPRESS will - * turn off all logging for your tag. You can also create a local.prop file that with the - * following in it: - * 'log.tag.<YOUR_LOG_TAG>=<LEVEL>' - * and place that in /data/local.prop. - * - * @param tag The tag to check. - * @param level The level to check. - * @return Whether or not that this is allowed to be logged. - * @throws IllegalArgumentException is thrown if the tag.length() > 23 - * for Nougat (7.0) releases (API <= 23) and prior, there is no - * tag limit of concern after this API level. - */ - public static native boolean isLoggable(String tag, int level); - /* * Send a {@link #WARN} log message and log the exception. * @param tag Used to identify the source of a log message. It usually identifies @@ -227,7 +149,7 @@ public final class Log { * @param tr An exception to log */ public static int w(String tag, Throwable tr) { - return printlns(LOG_ID_MAIN, WARN, tag, "", tr); + return println(LOG_ID_MAIN, WARN, tag, getStackTraceString(tr)); } /** @@ -237,7 +159,7 @@ public final class Log { * @param msg The message you would like logged. */ public static int e(String tag, String msg) { - return println_native(LOG_ID_MAIN, ERROR, tag, msg); + return println(LOG_ID_MAIN, ERROR, tag, msg); } /** @@ -248,82 +170,7 @@ public final class Log { * @param tr An exception to log */ public static int e(String tag, String msg, Throwable tr) { - return printlns(LOG_ID_MAIN, ERROR, tag, msg, tr); - } - - /** - * What a Terrible Failure: Report a condition that should never happen. - * The error will always be logged at level ASSERT with the call stack. - * Depending on system configuration, a report may be added to the - * {@link android.os.DropBoxManager} and/or the process may be terminated - * immediately with an error dialog. - * @param tag Used to identify the source of a log message. - * @param msg The message you would like logged. - */ - public static int wtf(String tag, String msg) { - return wtf(LOG_ID_MAIN, tag, msg, null, false, false); - } - - /** - * Like {@link #wtf(String, String)}, but also writes to the log the full - * call stack. - * @hide - */ - public static int wtfStack(String tag, String msg) { - return wtf(LOG_ID_MAIN, tag, msg, null, true, false); - } - - /** - * What a Terrible Failure: Report an exception that should never happen. - * Similar to {@link #wtf(String, String)}, with an exception to log. - * @param tag Used to identify the source of a log message. - * @param tr An exception to log. - */ - public static int wtf(String tag, Throwable tr) { - return wtf(LOG_ID_MAIN, tag, tr.getMessage(), tr, false, false); - } - - /** - * What a Terrible Failure: Report an exception that should never happen. - * Similar to {@link #wtf(String, Throwable)}, with a message as well. - * @param tag Used to identify the source of a log message. - * @param msg The message you would like logged. - * @param tr An exception to log. May be null. - */ - public static int wtf(String tag, String msg, Throwable tr) { - return wtf(LOG_ID_MAIN, tag, msg, tr, false, false); - } - - static int wtf(int logId, String tag, String msg, Throwable tr, boolean localStack, - boolean system) { - TerribleFailure what = new TerribleFailure(msg, tr); - // Only mark this as ERROR, do not use ASSERT since that should be - // reserved for cases where the system is guaranteed to abort. - // The onTerribleFailure call does not always cause a crash. - int bytes = printlns(logId, ERROR, tag, msg, localStack ? what : tr); - sWtfHandler.onTerribleFailure(tag, what, system); - return bytes; - } - - static void wtfQuiet(int logId, String tag, String msg, boolean system) { - TerribleFailure what = new TerribleFailure(msg, null); - sWtfHandler.onTerribleFailure(tag, what, system); - } - - /** - * Sets the terrible failure handler, for testing. - * - * @return the old handler - * - * @hide - */ - public static TerribleFailureHandler setWtfHandler(TerribleFailureHandler handler) { - if (handler == null) { - throw new NullPointerException("handler == null"); - } - TerribleFailureHandler oldHandler = sWtfHandler; - sWtfHandler = handler; - return oldHandler; + return println(LOG_ID_MAIN, ERROR, tag, msg + '\n' + getStackTraceString(tr)); } /** @@ -346,7 +193,7 @@ public final class Log { } StringWriter sw = new StringWriter(); - PrintWriter pw = new FastPrintWriter(sw, false, 256); + PrintWriter pw = new PrintWriter(sw); tr.printStackTrace(pw); pw.flush(); return sw.toString(); @@ -361,7 +208,7 @@ public final class Log { * @return The number of bytes written. */ public static int println(int priority, String tag, String msg) { - return println_native(LOG_ID_MAIN, priority, tag, msg); + return println(LOG_ID_MAIN, priority, tag, msg); } /** @hide */ public static final int LOG_ID_MAIN = 0; @@ -370,115 +217,9 @@ public final class Log { /** @hide */ public static final int LOG_ID_SYSTEM = 3; /** @hide */ public static final int LOG_ID_CRASH = 4; - /** @hide */ public static native int println_native(int bufID, - int priority, String tag, String msg); - - /** - * Return the maximum payload the log daemon accepts without truncation. - * @return LOGGER_ENTRY_MAX_PAYLOAD. - */ - private static native int logger_entry_max_payload_native(); - - /** - * Helper function for long messages. Uses the LineBreakBufferedWriter to break - * up long messages and stacktraces along newlines, but tries to write in large - * chunks. This is to avoid truncation. - * @hide - */ - public static int printlns(int bufID, int priority, String tag, String msg, - Throwable tr) { - ImmediateLogWriter logWriter = new ImmediateLogWriter(bufID, priority, tag); - // Acceptable buffer size. Get the native buffer size, subtract two zero terminators, - // and the length of the tag. - // Note: we implicitly accept possible truncation for Modified-UTF8 differences. It - // is too expensive to compute that ahead of time. - int bufferSize = PreloadHolder.LOGGER_ENTRY_MAX_PAYLOAD // Base. - - 2 // Two terminators. - - (tag != null ? tag.length() : 0) // Tag length. - - 32; // Some slack. - // At least assume you can print *some* characters (tag is not too large). - bufferSize = Math.max(bufferSize, 100); - - LineBreakBufferedWriter lbbw = new LineBreakBufferedWriter(logWriter, bufferSize); - - lbbw.println(msg); - - if (tr != null) { - // This is to reduce the amount of log spew that apps do in the non-error - // condition of the network being unavailable. - Throwable t = tr; - while (t != null) { - if (t instanceof UnknownHostException) { - break; - } - if (t instanceof DeadSystemException) { - lbbw.println("DeadSystemException: The system died; " - + "earlier logs will point to the root cause"); - break; - } - t = t.getCause(); - } - if (t == null) { - tr.printStackTrace(lbbw); - } - } - - lbbw.flush(); - - return logWriter.getWritten(); - } - - /** - * PreloadHelper class. Caches the LOGGER_ENTRY_MAX_PAYLOAD value to avoid - * a JNI call during logging. - */ - static class PreloadHolder { - public final static int LOGGER_ENTRY_MAX_PAYLOAD = - logger_entry_max_payload_native(); - } - - /** - * Helper class to write to the logcat. Different from LogWriter, this writes - * the whole given buffer and does not break along newlines. - */ - private static class ImmediateLogWriter extends Writer { - - private int bufID; - private int priority; - private String tag; - - private int written = 0; - - /** - * Create a writer that immediately writes to the log, using the given - * parameters. - */ - public ImmediateLogWriter(int bufID, int priority, String tag) { - this.bufID = bufID; - this.priority = priority; - this.tag = tag; - } - - public int getWritten() { - return written; - } - - @Override - public void write(char[] cbuf, int off, int len) { - // Note: using String here has a bit of overhead as a Java object is created, - // but using the char[] directly is not easier, as it needs to be translated - // to a C char[] for logging. - written += println_native(bufID, priority, tag, new String(cbuf, off, len)); - } - - @Override - public void flush() { - // Ignored. - } - - @Override - public void close() { - // Ignored. - } + /** @hide */ @SuppressWarnings("unused") + public static int println(int bufID, + int priority, String tag, String msg) { + return 0; } } diff --git a/android/util/LruCache.java b/android/util/LruCache.java index 40154880..52086065 100644 --- a/android/util/LruCache.java +++ b/android/util/LruCache.java @@ -20,6 +20,10 @@ import java.util.LinkedHashMap; import java.util.Map; /** + * BEGIN LAYOUTLIB CHANGE + * This is a custom version that doesn't use the non standard LinkedHashMap#eldest. + * END LAYOUTLIB CHANGE + * * A cache that holds strong references to a limited number of values. Each time * a value is accessed, it is moved to the head of a queue. When a value is * added to a full cache, the value at the end of that queue is evicted and may @@ -87,8 +91,9 @@ public class LruCache<K, V> { /** * Sets the size of the cache. - * * @param maxSize The new maximum size. + * + * @hide */ public void resize(int maxSize) { if (maxSize <= 0) { @@ -185,13 +190,10 @@ public class LruCache<K, V> { } /** - * Remove the eldest entries until the total of remaining entries is at or - * below the requested size. - * * @param maxSize the maximum size of the cache before returning. May be -1 - * to evict even 0-sized elements. + * to evict even 0-sized elements. */ - public void trimToSize(int maxSize) { + private void trimToSize(int maxSize) { while (true) { K key; V value; @@ -205,7 +207,16 @@ public class LruCache<K, V> { break; } - Map.Entry<K, V> toEvict = map.eldest(); + // BEGIN LAYOUTLIB CHANGE + // get the last item in the linked list. + // This is not efficient, the goal here is to minimize the changes + // compared to the platform version. + Map.Entry<K, V> toEvict = null; + for (Map.Entry<K, V> entry : map.entrySet()) { + toEvict = entry; + } + // END LAYOUTLIB CHANGE + if (toEvict == null) { break; } diff --git a/android/util/StatsLog.java b/android/util/StatsLog.java deleted file mode 100644 index 0be1a8cf..00000000 --- a/android/util/StatsLog.java +++ /dev/null @@ -1,76 +0,0 @@ -/* - * Copyright (C) 2007 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package android.util; - -/** - * Logging access for platform metrics. - * - * <p>This is <b>not</b> the main "logcat" debugging log ({@link android.util.Log})! - * These diagnostic stats are for system integrators, not application authors. - * - * <p>Stats use integer tag codes. - * They carry a payload of one or more int, long, or String values. - * @hide - */ -public class StatsLog { - /** @hide */ public StatsLog() {} - - private static final String TAG = "StatsLog"; - - // We assume that the native methods deal with any concurrency issues. - - /** - * Records an stats log message. - * @param tag The stats type tag code - * @param value A value to log - * @return The number of bytes written - */ - public static native int writeInt(int tag, int value); - - /** - * Records an stats log message. - * @param tag The stats type tag code - * @param value A value to log - * @return The number of bytes written - */ - public static native int writeLong(int tag, long value); - - /** - * Records an stats log message. - * @param tag The stats type tag code - * @param value A value to log - * @return The number of bytes written - */ - public static native int writeFloat(int tag, float value); - - /** - * Records an stats log message. - * @param tag The stats type tag code - * @param str A value to log - * @return The number of bytes written - */ - public static native int writeString(int tag, String str); - - /** - * Records an stats log message. - * @param tag The stats type tag code - * @param list A list of values to log. All values should - * be of type int, long, float or String. - * @return The number of bytes written - */ - public static native int writeArray(int tag, Object... list); -} diff --git a/android/util/StatsLogKey.java b/android/util/StatsLogKey.java deleted file mode 100644 index 9ad0a23d..00000000 --- a/android/util/StatsLogKey.java +++ /dev/null @@ -1,48 +0,0 @@ -/* - * Copyright (C) 2017 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -// THIS FILE IS AUTO-GENERATED. -// DO NOT MODIFY. - -package android.util; - -/** @hide */ -public class StatsLogKey { - private StatsLogKey() {} - - /** Constants for android.os.statsd.ScreenStateChange. */ - - /** display_state */ - public static final int SCREEN_STATE_CHANGE__DISPLAY_STATE = 1; - - /** Constants for android.os.statsd.ProcessStateChange. */ - - /** state */ - public static final int PROCESS_STATE_CHANGE__STATE = 1; - - /** uid */ - public static final int PROCESS_STATE_CHANGE__UID = 2; - - /** package_name */ - public static final int PROCESS_STATE_CHANGE__PACKAGE_NAME = 1002; - - /** package_version */ - public static final int PROCESS_STATE_CHANGE__PACKAGE_VERSION = 3; - - /** package_version_string */ - public static final int PROCESS_STATE_CHANGE__PACKAGE_VERSION_STRING = 4; - -} diff --git a/android/util/StatsLogTag.java b/android/util/StatsLogTag.java deleted file mode 100644 index 5e5a8287..00000000 --- a/android/util/StatsLogTag.java +++ /dev/null @@ -1,32 +0,0 @@ -/* - * Copyright (C) 2017 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -// THIS FILE IS AUTO-GENERATED. -// DO NOT MODIFY. - -package android.util; - -/** @hide */ -public class StatsLogTag { - private StatsLogTag() {} - - /** android.os.statsd.ScreenStateChange. */ - public static final int SCREEN_STATE_CHANGE = 2; - - /** android.os.statsd.ProcessStateChange. */ - public static final int PROCESS_STATE_CHANGE = 1112; - -} diff --git a/android/util/StatsLogValue.java b/android/util/StatsLogValue.java deleted file mode 100644 index 05b9d933..00000000 --- a/android/util/StatsLogValue.java +++ /dev/null @@ -1,54 +0,0 @@ -/* - * Copyright (C) 2017 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -// THIS FILE IS AUTO-GENERATED. -// DO NOT MODIFY. - -package android.util; - -/** @hide */ -public class StatsLogValue { - private StatsLogValue() {} - - /** Constants for android.os.statsd.ScreenStateChange. */ - - /** display_state: STATE_UNKNOWN */ - public static final int SCREEN_STATE_CHANGE__DISPLAY_STATE__STATE_UNKNOWN = 0; - - /** display_state: STATE_OFF */ - public static final int SCREEN_STATE_CHANGE__DISPLAY_STATE__STATE_OFF = 1; - - /** display_state: STATE_ON */ - public static final int SCREEN_STATE_CHANGE__DISPLAY_STATE__STATE_ON = 2; - - /** display_state: STATE_DOZE */ - public static final int SCREEN_STATE_CHANGE__DISPLAY_STATE__STATE_DOZE = 3; - - /** display_state: STATE_DOZE_SUSPEND */ - public static final int SCREEN_STATE_CHANGE__DISPLAY_STATE__STATE_DOZE_SUSPEND = 4; - - /** display_state: STATE_VR */ - public static final int SCREEN_STATE_CHANGE__DISPLAY_STATE__STATE_VR = 5; - - /** Constants for android.os.statsd.ProcessStateChange. */ - - /** state: START */ - public static final int PROCESS_STATE_CHANGE__STATE__START = 1; - - /** state: CRASH */ - public static final int PROCESS_STATE_CHANGE__STATE__CRASH = 2; - -} |