295 lines
11 KiB
Java
295 lines
11 KiB
Java
/*
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* Copyright (C) 2006 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.util;
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import android.annotation.NonNull;
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import android.annotation.Nullable;
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import android.annotation.SystemApi;
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import android.compat.annotation.UnsupportedAppUsage;
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import android.os.Build;
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/**
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* API for sending log output to the {@link Log#LOG_ID_SYSTEM} buffer.
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*
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* <p>Should be used by system components. Use {@code adb logcat --buffer=system} to fetch the logs.
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*
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* @see Log
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* @hide
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*/
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@SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
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@android.ravenwood.annotation.RavenwoodKeepWholeClass
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public final class Slog {
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private Slog() {
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}
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/**
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* Logs {@code msg} at {@link Log#VERBOSE} level.
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*
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* @param tag identifies the source of a log message. It usually represents system service,
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* e.g. {@code PackageManager}.
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* @param msg the message to log.
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*
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* @see Log#v(String, String)
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*/
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@UnsupportedAppUsage
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public static int v(@Nullable String tag, @NonNull String msg) {
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return Log.println_native(Log.LOG_ID_SYSTEM, Log.VERBOSE, tag, msg);
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}
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/**
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* Logs {@code msg} at {@link Log#VERBOSE} level, attaching stack trace of the {@code tr} to
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* the end of the log statement.
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*
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* @param tag identifies the source of a log message. It usually represents system service,
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* e.g. {@code PackageManager}.
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* @param msg the message to log.
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* @param tr an exception to log.
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*
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* @see Log#v(String, String, Throwable)
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*/
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public static int v(@Nullable String tag, @NonNull String msg, @Nullable Throwable tr) {
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return Log.println_native(Log.LOG_ID_SYSTEM, Log.VERBOSE, tag,
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msg + '\n' + Log.getStackTraceString(tr));
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}
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/**
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* Logs {@code msg} at {@link Log#DEBUG} level.
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*
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* @param tag identifies the source of a log message. It usually represents system service,
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* e.g. {@code PackageManager}.
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* @param msg the message to log.
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*
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* @see Log#d(String, String)
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*/
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@UnsupportedAppUsage
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public static int d(@Nullable String tag, @NonNull String msg) {
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return Log.println_native(Log.LOG_ID_SYSTEM, Log.DEBUG, tag, msg);
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}
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/**
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* Logs {@code msg} at {@link Log#DEBUG} level, attaching stack trace of the {@code tr} to
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* the end of the log statement.
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*
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* @param tag identifies the source of a log message. It usually represents system service,
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* e.g. {@code PackageManager}.
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* @param msg the message to log.
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* @param tr an exception to log.
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*
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* @see Log#d(String, String, Throwable)
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*/
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@UnsupportedAppUsage
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public static int d(@Nullable String tag, @NonNull String msg, @Nullable Throwable tr) {
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return Log.println_native(Log.LOG_ID_SYSTEM, Log.DEBUG, tag,
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msg + '\n' + Log.getStackTraceString(tr));
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}
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/**
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* Logs {@code msg} at {@link Log#INFO} level.
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*
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* @param tag identifies the source of a log message. It usually represents system service,
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* e.g. {@code PackageManager}.
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* @param msg the message to log.
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*
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* @see Log#i(String, String)
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*/
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@UnsupportedAppUsage
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public static int i(@Nullable String tag, @NonNull String msg) {
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return Log.println_native(Log.LOG_ID_SYSTEM, Log.INFO, tag, msg);
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}
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/**
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* Logs {@code msg} at {@link Log#INFO} level, attaching stack trace of the {@code tr} to
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* the end of the log statement.
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*
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* @param tag identifies the source of a log message. It usually represents system service,
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* e.g. {@code PackageManager}.
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* @param msg the message to log.
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* @param tr an exception to log.
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*
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* @see Log#i(String, String, Throwable)
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*/
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public static int i(@Nullable String tag, @NonNull String msg, @Nullable Throwable tr) {
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return Log.println_native(Log.LOG_ID_SYSTEM, Log.INFO, tag,
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msg + '\n' + Log.getStackTraceString(tr));
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}
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/**
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* Logs {@code msg} at {@link Log#WARN} level.
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*
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* @param tag identifies the source of a log message. It usually represents system service,
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* e.g. {@code PackageManager}.
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* @param msg the message to log.
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*
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* @see Log#w(String, String)
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*/
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@UnsupportedAppUsage
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public static int w(@Nullable String tag, @NonNull String msg) {
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return Log.println_native(Log.LOG_ID_SYSTEM, Log.WARN, tag, msg);
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}
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/**
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* Logs {@code msg} at {@link Log#WARN} level, attaching stack trace of the {@code tr} to
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* the end of the log statement.
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*
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* @param tag identifies the source of a log message. It usually represents system service,
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* e.g. {@code PackageManager}.
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* @param msg the message to log.
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* @param tr an exception to log.
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*
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* @see Log#w(String, String, Throwable)
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*/
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@UnsupportedAppUsage
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public static int w(@Nullable String tag, @NonNull String msg, @Nullable Throwable tr) {
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return Log.println_native(Log.LOG_ID_SYSTEM, Log.WARN, tag,
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msg + '\n' + Log.getStackTraceString(tr));
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}
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/**
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* Logs stack trace of {@code tr} at {@link Log#WARN} level.
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*
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* @param tag identifies the source of a log message. It usually represents system service,
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* e.g. {@code PackageManager}.
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* @param tr an exception to log.
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*
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* @see Log#w(String, Throwable)
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*/
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public static int w(@Nullable String tag, @Nullable Throwable tr) {
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return Log.println_native(Log.LOG_ID_SYSTEM, Log.WARN, tag, Log.getStackTraceString(tr));
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}
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/**
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* Logs {@code msg} at {@link Log#ERROR} level.
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*
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* @param tag identifies the source of a log message. It usually represents system service,
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* e.g. {@code PackageManager}.
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* @param msg the message to log.
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*
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* @see Log#e(String, String)
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*/
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@UnsupportedAppUsage
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public static int e(@Nullable String tag, @NonNull String msg) {
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return Log.println_native(Log.LOG_ID_SYSTEM, Log.ERROR, tag, msg);
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}
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/**
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* Logs {@code msg} at {@link Log#ERROR} level, attaching stack trace of the {@code tr} to
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* the end of the log statement.
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*
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* @param tag identifies the source of a log message. It usually represents system service,
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* e.g. {@code PackageManager}.
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* @param msg the message to log.
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* @param tr an exception to log.
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*
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* @see Log#e(String, String, Throwable)
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*/
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@UnsupportedAppUsage
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public static int e(@Nullable String tag, @NonNull String msg, @Nullable Throwable tr) {
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return Log.println_native(Log.LOG_ID_SYSTEM, Log.ERROR, tag,
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msg + '\n' + Log.getStackTraceString(tr));
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}
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/**
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* Logs a condition that should never happen.
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*
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* <p>
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* Similar to {@link Log#wtf(String, String)}, but will never cause the caller to crash, and
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* will always be handled asynchronously. Primarily to be used by the system server.
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*
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* @param tag identifies the source of a log message. It usually represents system service,
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* e.g. {@code PackageManager}.
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* @param msg the message to log.
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*
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* @see Log#wtf(String, String)
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*/
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@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
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public static int wtf(@Nullable String tag, @NonNull String msg) {
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return Log.wtf(Log.LOG_ID_SYSTEM, tag, msg, null, false, true);
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}
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/**
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* Similar to {@link #wtf(String, String)}, but does not output anything to the log.
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*/
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@android.ravenwood.annotation.RavenwoodThrow
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public static void wtfQuiet(@Nullable String tag, @NonNull String msg) {
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Log.wtfQuiet(Log.LOG_ID_SYSTEM, tag, msg, true);
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}
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/**
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* Logs a condition that should never happen, attaching the full call stack to the log.
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*
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* <p>
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* Similar to {@link Log#wtfStack(String, String)}, but will never cause the caller to crash,
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* and will always be handled asynchronously. Primarily to be used by the system server.
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*
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* @param tag identifies the source of a log message. It usually represents system service,
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* e.g. {@code PackageManager}.
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* @param msg the message to log.
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*
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* @see Log#wtfStack(String, String)
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*/
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@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P, trackingBug = 115609023)
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@android.ravenwood.annotation.RavenwoodThrow
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public static int wtfStack(@Nullable String tag, @NonNull String msg) {
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return Log.wtf(Log.LOG_ID_SYSTEM, tag, msg, null, true, true);
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}
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/**
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* Logs a condition that should never happen, attaching stack trace of the {@code tr} to the
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* end of the log statement.
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*
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* <p>
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* Similar to {@link Log#wtf(String, Throwable)}, but will never cause the caller to crash,
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* and will always be handled asynchronously. Primarily to be used by the system server.
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*
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* @param tag identifies the source of a log message. It usually represents system service,
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* e.g. {@code PackageManager}.
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* @param tr an exception to log.
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*
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* @see Log#wtf(String, Throwable)
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*/
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public static int wtf(@Nullable String tag, @Nullable Throwable tr) {
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return Log.wtf(Log.LOG_ID_SYSTEM, tag, tr.getMessage(), tr, false, true);
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}
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/**
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* Logs a condition that should never happen, attaching stack trace of the {@code tr} to the
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* end of the log statement.
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*
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* <p>
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* Similar to {@link Log#wtf(String, String, Throwable)}, but will never cause the caller to
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* crash, and will always be handled asynchronously. Primarily to be used by the system server.
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*
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* @param tag identifies the source of a log message. It usually represents system service,
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* e.g. {@code PackageManager}.
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* @param msg the message to log.
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* @param tr an exception to log.
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*
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* @see Log#wtf(String, String, Throwable)
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*/
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@UnsupportedAppUsage
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public static int wtf(@Nullable String tag, @NonNull String msg, @Nullable Throwable tr) {
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return Log.wtf(Log.LOG_ID_SYSTEM, tag, msg, tr, false, true);
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}
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/** @hide */
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@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
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public static int println(@Log.Level int priority, @Nullable String tag, @NonNull String msg) {
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return Log.println_native(Log.LOG_ID_SYSTEM, priority, tag, msg);
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}
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}
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