tdlight-java/src/main/java/it/tdlight/common/Log.java

100 lines
3.7 KiB
Java

package it.tdlight.common;
import it.tdlight.jni.TdApi;
import it.tdlight.jni.TdApi.LogStreamDefault;
import it.tdlight.jni.TdApi.LogStreamFile;
import it.tdlight.jni.TdApi.SetLogVerbosityLevel;
import it.tdlight.tdnative.NativeLog;
import java.util.concurrent.atomic.AtomicLong;
import java.util.concurrent.atomic.AtomicReference;
import java.util.function.Consumer;
/**
* Class used for managing internal TDLib logging. Use TdApi.*Log* methods instead.
*/
public final class Log {
static {
try {
Init.start();
} catch (Throwable throwable) {
throwable.printStackTrace();
System.exit(0);
}
}
private static final AtomicReference<String> LOG_FILE_PATH = new AtomicReference<>(null);
private static final AtomicLong LOG_MAX_FILE_SIZE = new AtomicLong(10 * 1024 * 1024);
private static boolean updateLog() {
try {
String path = LOG_FILE_PATH.get();
long maxSize = LOG_MAX_FILE_SIZE.get();
if (path == null) {
NativeClientAccess.execute(new TdApi.SetLogStream(new LogStreamDefault()));
} else {
NativeClientAccess.execute(new TdApi.SetLogStream(new LogStreamFile(path, maxSize, false)));
}
} catch (Throwable ex) {
ex.printStackTrace();
return false;
}
return true;
}
/**
* Sets file path for writing TDLib internal log. By default TDLib writes logs to the System.err. Use this method to
* write the log to a file instead.
*
* @param filePath Path to a file for writing TDLib internal log. Use an empty path to switch back to logging to the
* System.err.
* @return whether opening the log file succeeded.
* @deprecated As of TDLib 1.4.0 in favor of {@link TdApi.SetLogStream}, to be removed in the future.
*/
@Deprecated
public static boolean setFilePath(String filePath) {
LOG_FILE_PATH.set(filePath);
return updateLog();
}
/**
* Changes the maximum size of TDLib log file.
*
* @param maxFileSize The maximum size of the file to where the internal TDLib log is written before the file will be
* auto-rotated. Must be positive. Defaults to 10 MB.
* @deprecated As of TDLib 1.4.0 in favor of {@link TdApi.SetLogStream}, to be removed in the future.
*/
@Deprecated
public static void setMaxFileSize(long maxFileSize) {
LOG_MAX_FILE_SIZE.set(maxFileSize);
updateLog();
}
/**
* Changes TDLib log verbosity.
*
* @param verbosityLevel New value of log verbosity level. Must be non-negative. Value 0 corresponds to fatal errors,
* value 1 corresponds to java.util.logging.Level.SEVERE, value 2 corresponds to
* java.util.logging.Level.WARNING, value 3 corresponds to java.util.logging.Level.INFO, value 4
* corresponds to java.util.logging.Level.FINE, value 5 corresponds to
* java.util.logging.Level.FINER, value greater than 5 can be used to enable even more logging.
* Default value of the log verbosity level is 5.
* @deprecated As of TDLib 1.4.0 in favor of {@link TdApi.SetLogVerbosityLevel}, to be removed in the future.
*/
@Deprecated
public static void setVerbosityLevel(int verbosityLevel) {
NativeClientAccess.execute(new SetLogVerbosityLevel(verbosityLevel));
}
/**
* Sets the callback that will be called when a fatal error happens. None of the TDLib methods can be called from the
* callback. The TDLib will crash as soon as callback returns. By default the callback set to print in stderr.
*
* @param fatalErrorCallback Callback that will be called when a fatal error happens. Pass null to restore default
* callback.
*/
public static void setFatalErrorCallback(Consumer<String> fatalErrorCallback) {
NativeLog.setFatalErrorCallback(fatalErrorCallback);
}
}