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/*
* Copyright (C) 2020 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 com.android.internal.protolog;
import android.annotation.Nullable;
import com.android.internal.annotations.VisibleForTesting;
import com.android.internal.protolog.common.IProtoLogGroup;
import java.io.File;
/**
* A service for the ProtoLog logging system.
*/
public class ProtoLogImpl extends BaseProtoLogImpl {
private static final int BUFFER_CAPACITY = 1024 * 1024;
private static final String LOG_FILENAME = "/data/misc/wmtrace/wm_log.winscope";
private static final String VIEWER_CONFIG_FILENAME = "/system/etc/protolog.conf.json.gz";
private static final int PER_CHUNK_SIZE = 1024;
private static ProtoLogImpl sServiceInstance = null;
static {
addLogGroupEnum(ProtoLogGroup.values());
}
/** Used by the ProtoLogTool, do not call directly - use {@code ProtoLog} class instead. */
public static void d(IProtoLogGroup group, int messageHash, int paramsMask,
@Nullable String messageString,
Object... args) {
getSingleInstance()
.log(LogLevel.DEBUG, group, messageHash, paramsMask, messageString, args);
}
/** Used by the ProtoLogTool, do not call directly - use {@code ProtoLog} class instead. */
public static void v(IProtoLogGroup group, int messageHash, int paramsMask,
@Nullable String messageString,
Object... args) {
getSingleInstance().log(LogLevel.VERBOSE, group, messageHash, paramsMask, messageString,
args);
}
/** Used by the ProtoLogTool, do not call directly - use {@code ProtoLog} class instead. */
public static void i(IProtoLogGroup group, int messageHash, int paramsMask,
@Nullable String messageString,
Object... args) {
getSingleInstance().log(LogLevel.INFO, group, messageHash, paramsMask, messageString, args);
}
/** Used by the ProtoLogTool, do not call directly - use {@code ProtoLog} class instead. */
public static void w(IProtoLogGroup group, int messageHash, int paramsMask,
@Nullable String messageString,
Object... args) {
getSingleInstance().log(LogLevel.WARN, group, messageHash, paramsMask, messageString, args);
}
/** Used by the ProtoLogTool, do not call directly - use {@code ProtoLog} class instead. */
public static void e(IProtoLogGroup group, int messageHash, int paramsMask,
@Nullable String messageString,
Object... args) {
getSingleInstance()
.log(LogLevel.ERROR, group, messageHash, paramsMask, messageString, args);
}
/** Used by the ProtoLogTool, do not call directly - use {@code ProtoLog} class instead. */
public static void wtf(IProtoLogGroup group, int messageHash, int paramsMask,
@Nullable String messageString,
Object... args) {
getSingleInstance().log(LogLevel.WTF, group, messageHash, paramsMask, messageString, args);
}
/** Returns true iff logging is enabled for the given {@code IProtoLogGroup}. */
public static boolean isEnabled(IProtoLogGroup group) {
return group.isLogToLogcat()
|| (group.isLogToProto() && getSingleInstance().isProtoEnabled());
}
/**
* Returns the single instance of the ProtoLogImpl singleton class.
*/
public static synchronized ProtoLogImpl getSingleInstance() {
if (sServiceInstance == null) {
sServiceInstance = new ProtoLogImpl(
new File(LOG_FILENAME)
, BUFFER_CAPACITY
, new ProtoLogViewerConfigReader()
, PER_CHUNK_SIZE);
}
return sServiceInstance;
}
@VisibleForTesting
public static synchronized void setSingleInstance(@Nullable ProtoLogImpl instance) {
sServiceInstance = instance;
}
public ProtoLogImpl(File logFile, int bufferCapacity,
ProtoLogViewerConfigReader viewConfigReader, int perChunkSize) {
super(logFile, VIEWER_CONFIG_FILENAME, bufferCapacity, viewConfigReader, perChunkSize);
}
}
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