mirror of
https://codeberg.org/Freeyourgadget/Gadgetbridge
synced 2024-08-25 16:50:44 +02:00
204 lines
7.0 KiB
Java
204 lines
7.0 KiB
Java
/* Copyright (C) 2016-2021 Carsten Pfeiffer, Daniele Gobbetti, Pavel Elagin
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This file is part of Gadgetbridge.
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Gadgetbridge is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published
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by the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Gadgetbridge is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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package nodomain.freeyourgadget.gadgetbridge;
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import android.util.Log;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.io.IOException;
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import ch.qos.logback.classic.LoggerContext;
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import ch.qos.logback.classic.encoder.PatternLayoutEncoder;
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import ch.qos.logback.classic.spi.ILoggingEvent;
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import ch.qos.logback.core.Appender;
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import ch.qos.logback.core.FileAppender;
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import ch.qos.logback.core.encoder.Encoder;
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import ch.qos.logback.core.encoder.LayoutWrappingEncoder;
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import ch.qos.logback.core.rolling.RollingFileAppender;
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import ch.qos.logback.core.rolling.SizeAndTimeBasedRollingPolicy;
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import ch.qos.logback.core.rolling.TimeBasedRollingPolicy;
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import ch.qos.logback.core.util.FileSize;
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import ch.qos.logback.core.util.StatusPrinter;
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import nodomain.freeyourgadget.gadgetbridge.util.GB;
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public abstract class Logging {
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// Only used for tests
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public static final String PROP_LOGFILES_DIR = "GB_LOGFILES_DIR";
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private String logDirectory;
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private FileAppender<ILoggingEvent> fileLogger;
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public void setupLogging(boolean enable) {
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try {
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if (!isFileLoggerInitialized()) {
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init();
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}
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if (enable) {
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startFileLogger();
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} else {
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stopFileLogger();
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}
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getLogger().info("Gadgetbridge version: {}", BuildConfig.VERSION_NAME);
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} catch (Exception ex) {
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Log.e("GBApplication", "External files dir not available, cannot log to file", ex);
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stopFileLogger();
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}
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}
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public String getLogPath() {
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if (fileLogger != null)
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return fileLogger.getFile();
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else
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return null;
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}
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public boolean isFileLoggerInitialized() {
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return logDirectory != null;
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}
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public void debugLoggingConfiguration() {
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// For debugging problems with the logback configuration
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LoggerContext lc = (LoggerContext) LoggerFactory.getILoggerFactory();
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// print logback's internal status
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StatusPrinter.print(lc);
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// Logger logger = LoggerFactory.getLogger(Logging.class);
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}
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protected abstract String createLogDirectory() throws IOException;
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protected void init() throws IOException {
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Log.i("GBApplication", "Initializing logging");
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logDirectory = createLogDirectory();
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if (logDirectory == null) {
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throw new IllegalArgumentException("log directory must not be null");
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}
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}
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private Logger getLogger() {
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return LoggerFactory.getLogger(Logging.class);
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}
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private void startFileLogger() {
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if (fileLogger != null) {
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Log.w("GBApplication", "Logger already started");
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return;
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}
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if (logDirectory == null) {
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Log.e("GBApplication", "Can't start file logging without a log directory");
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return;
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}
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final FileAppender fileAppender = createFileAppender(logDirectory);
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fileAppender.start();
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attachLogger(fileAppender);
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fileLogger = fileAppender;
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}
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private void stopFileLogger() {
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if (fileLogger == null) {
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return;
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}
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if (fileLogger.isStarted()) {
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fileLogger.stop();
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}
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detachLogger(fileLogger);
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fileLogger = null;
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}
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private void attachLogger(Appender<ILoggingEvent> logger) {
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try {
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ch.qos.logback.classic.Logger root = (ch.qos.logback.classic.Logger) LoggerFactory.getLogger(Logger.ROOT_LOGGER_NAME);
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if (!root.isAttached(logger)) {
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root.addAppender(logger);
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}
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} catch (Throwable ex) {
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Log.e("GBApplication", "Error attaching logger appender", ex);
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}
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}
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private void detachLogger(Appender<ILoggingEvent> logger) {
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try {
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ch.qos.logback.classic.Logger root = (ch.qos.logback.classic.Logger) LoggerFactory.getLogger(Logger.ROOT_LOGGER_NAME);
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if (logger != null && root.isAttached(logger)) {
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root.detachAppender(logger);
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}
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} catch (Throwable ex) {
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Log.e("GBApplication", "Error detaching logger appender", ex);
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}
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}
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public FileAppender<ILoggingEvent> getFileLogger() {
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return fileLogger;
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}
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public static String formatBytes(byte[] bytes) {
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if (bytes == null) {
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return "(null)";
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}
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StringBuilder builder = new StringBuilder(bytes.length * 5);
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for (byte b : bytes) {
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builder.append(String.format("0x%02x", b));
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builder.append(" ");
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}
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return builder.toString().trim();
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}
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public static void logBytes(Logger logger, byte[] value) {
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if (value != null) {
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logger.warn("DATA: " + GB.hexdump(value, 0, value.length));
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}
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}
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public static FileAppender createFileAppender(final String logDirectory) {
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final LoggerContext lc = (LoggerContext) LoggerFactory.getILoggerFactory();
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final PatternLayoutEncoder ple = new PatternLayoutEncoder();
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//ple.setPattern("%date %level [%thread] %logger{10} [%file:%line] %msg%n");
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ple.setPattern("%d{HH:mm:ss.SSS} [%thread] %-5level %logger{1} - %msg%n");
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ple.setContext(lc);
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ple.start();
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final SizeAndTimeBasedRollingPolicy rollingPolicy = new SizeAndTimeBasedRollingPolicy();
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final RollingFileAppender<ILoggingEvent> fileAppender = new RollingFileAppender<ILoggingEvent>();
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rollingPolicy.setContext(lc);
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rollingPolicy.setFileNamePattern(logDirectory + "/gadgetbridge-%d{yyyy-MM-dd}.%i.log.zip");
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rollingPolicy.setParent(fileAppender);
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rollingPolicy.setMaxFileSize(FileSize.valueOf("2MB"));
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rollingPolicy.setMaxHistory(10);
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rollingPolicy.setTotalSizeCap(FileSize.valueOf("100MB"));
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rollingPolicy.start();
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fileAppender.setContext(lc);
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fileAppender.setName("FILE");
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fileAppender.setLazy(true);
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fileAppender.setFile(logDirectory + "/gadgetbridge.log");
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fileAppender.setEncoder(ple);
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// to debug crashes, set immediateFlush to true, otherwise keep it false to improve throughput
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fileAppender.setImmediateFlush(false);
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fileAppender.setRollingPolicy(rollingPolicy);
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return fileAppender;
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}
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}
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