76 lines
2.9 KiB
Java
76 lines
2.9 KiB
Java
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2019
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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package org.drinkless.tdlib;
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/**
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* Class for managing internal TDLib logging.
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*/
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public final class Log {
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/**
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* Changes TDLib log verbosity.
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*
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* @param verbosityLevel New value of log verbosity level. Must be non-negative.
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* Value 0 corresponds to fatal errors,
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* value 1 corresponds to java.util.logging.Level.SEVERE,
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* value 2 corresponds to java.util.logging.Level.WARNING,
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* value 3 corresponds to java.util.logging.Level.INFO,
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* value 4 corresponds to java.util.logging.Level.FINE,
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* value 5 corresponds to java.util.logging.Level.FINER,
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* value greater than 5 can be used to enable even more logging.
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* Default value of the log verbosity level is 5.
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*/
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public static native void setVerbosityLevel(int verbosityLevel);
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/**
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* Sets file path for writing TDLib internal log. By default TDLib writes logs to the System.err.
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* Use this method to write the log to a file instead.
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*
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* @param filePath Path to a file for writing TDLib internal log. Use an empty path to
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* switch back to logging to the System.err.
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* @return whether opening the log file succeeded.
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*/
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public static native boolean setFilePath(String filePath);
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/**
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* Changes maximum size of TDLib log file.
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*
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* @param maxFileSize Maximum size of the file to where the internal TDLib log is written
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* before the file will be auto-rotated. Must be positive. Defaults to 10 MB.
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*/
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public static native void setMaxFileSize(long maxFileSize);
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/**
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* This function is called from the JNI when a fatal error happens to provide a better error message.
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* The function does not return.
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*
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* @param errorMessage Error message.
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*/
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private static void onFatalError(String errorMessage) {
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class ThrowError implements Runnable {
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private ThrowError(String errorMessage) {
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this.errorMessage = errorMessage;
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}
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@Override
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public void run() {
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throw new RuntimeException("TDLib fatal error: " + errorMessage);
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}
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private final String errorMessage;
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}
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new Thread(new ThrowError(errorMessage), "TDLib fatal error thread").start();
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while (true) {
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try {
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Thread.sleep(1000); // milliseconds
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} catch (InterruptedException ex) {
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Thread.currentThread().interrupt();
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}
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}
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}
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}
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