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Log.java
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Log.java
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package me.nallar.tickthreading;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.text.Normalizer;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.IdentityHashMap;
import java.util.List;
import java.util.Set;
import java.util.logging.FileHandler;
import java.util.logging.Handler;
import java.util.logging.Level;
import java.util.logging.LogRecord;
import java.util.logging.Logger;
import java.util.regex.Pattern;
import cpw.mods.fml.common.FMLLog;
import me.nallar.reporting.Reporter;
import me.nallar.tickthreading.util.MappingUtil;
import net.minecraft.server.MinecraftServer;
import net.minecraft.server.gui.GuiLogOutputHandler;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.world.World;
import net.minecraft.world.WorldServer;
import net.minecraftforge.common.DimensionManager;
@SuppressWarnings ({"UnusedDeclaration", "UseOfSystemOutOrSystemErr"})
public class Log {
public static final Logger LOGGER = Logger.getLogger("TickThreading");
public static final boolean debug = System.getProperty("tickthreading.debug") != null;
public static final Level DEBUG = new Level("DEBUG", Level.SEVERE.intValue(), null) {
// Inner class as constructors are protected.
};
private static Handler handler;
@SuppressWarnings ("UseOfArchaicSystemPropertyAccessors") // Need a default value.
private static final int numberOfLogFiles = Integer.getInteger("tickthreading.numberOfLogFiles", 5);
private static final File logFolder = new File("TickThreadingLogs");
private static Handler wrappedHandler;
private static final Handler handlerWrapper = new Handler() {
Pattern pattern = Pattern.compile("\\P{Print}");
@Override
public void publish(final LogRecord record) {
String initialMessage = record.getMessage();
String sanitizedMessage = java.text.Normalizer.normalize(initialMessage, Normalizer.Form.NFC).replace("\r\n", "\n");
sanitizedMessage = pattern.matcher(sanitizedMessage).replaceAll("");
record.setMessage(sanitizedMessage);
synchronized (wrappedHandler) {
try {
wrappedHandler.publish(record);
} catch (Throwable ignored) {
}
}
record.setMessage(initialMessage);
}
@Override
public void flush() {
}
@Override
public void close() throws SecurityException {
}
};
static {
try {
Logger parent = FMLLog.getLogger();
if (parent == null) {
throw new NoClassDefFoundError();
}
LOGGER.setParent(parent);
LOGGER.setUseParentHandlers(true);
setFileName("tickthreading", Level.INFO, LOGGER);
Logger minecraftLogger = Logger.getLogger("Minecraft");
for (Handler handler : minecraftLogger.getHandlers()) {
if (handler instanceof GuiLogOutputHandler) {
if (!Arrays.asList(parent.getHandlers()).contains(handlerWrapper)) {
wrappedHandler = handler;
parent.addHandler(handlerWrapper);
break;
}
}
}
} catch (NoClassDefFoundError ignored) {
// Not running under forge
LOGGER.setUseParentHandlers(false);
LOGGER.addHandler(new Handler() {
private final LogFormatter logFormatter = new LogFormatter();
@Override
public void publish(LogRecord record) {
System.out.print(logFormatter.format(record));
}
@Override
public void flush() {
}
@Override
public void close() throws SecurityException {
}
});
}
LOGGER.setLevel(Level.ALL);
}
public static synchronized void disableDiskWriting(String finalMessage) {
Handler handler = Log.handler;
if (handler == null) {
return;
}
Log.handler = null;
LogRecord finalRecord = new LogRecord(Level.SEVERE, finalMessage);
try {
Logger fmlLog = FMLLog.getLogger();
for (Handler handler1 : fmlLog.getHandlers()) {
if (handler1 instanceof FileHandler) {
fmlLog.removeHandler(handler1);
handler1.publish(finalRecord);
handler1.flush();
}
}
} catch (NoClassDefFoundError ignored) {
}
handler.publish(finalRecord);
handler.flush();
LOGGER.removeHandler(handler);
Log.severe(finalMessage);
}
public static void setFileName(String name, final Level minimumLevel, Logger... loggers) {
logFolder.mkdir();
for (int i = numberOfLogFiles; i >= 1; i--) {
File currentFile = new File(logFolder, name + '.' + i + ".log");
if (currentFile.exists()) {
if (i == numberOfLogFiles) {
currentFile.delete();
} else {
currentFile.renameTo(new File(logFolder, name + '.' + (i + 1) + ".log"));
}
}
}
// TODO: Remove after two recommended builds
File oldNamingFile = new File(logFolder, name + ".log");
if (oldNamingFile.exists()) {
oldNamingFile.renameTo(new File(logFolder, name + ".2.log"));
}
final File saveFile = new File(logFolder, name + ".1.log");
try {
RandomAccessFile randomAccessFile = new RandomAccessFile(saveFile, "rw");
try {
randomAccessFile.setLength(0);
} finally {
randomAccessFile.close();
}
//noinspection IOResourceOpenedButNotSafelyClosed
handler = new Handler() {
private final LogFormatter logFormatter = new LogFormatter();
private final BufferedWriter outputWriter = new BufferedWriter(new FileWriter(saveFile));
@Override
public void publish(LogRecord record) {
if (record.getLevel().intValue() >= minimumLevel.intValue()) {
try {
outputWriter.write(logFormatter.format(record));
} catch (IOException ignored) {
// Can't log here, might cause infinite recursion
}
}
}
@Override
public void flush() {
try {
outputWriter.flush();
} catch (IOException ignored) {
}
}
@Override
public void close() throws SecurityException {
try {
outputWriter.close();
} catch (IOException ignored) {
// ignored - shouldn't log if logging fails
}
}
};
for (Logger logger : loggers) {
logger.addHandler(handler);
}
} catch (IOException e) {
Log.severe("Can't write logs to disk", e);
}
}
public static void flush() {
if (handler != null) {
handler.flush();
}
}
public static void debug(String msg) {
debug(msg, null);
}
public static void severe(String msg) {
LOGGER.severe(msg);
}
public static void warning(String msg) {
LOGGER.warning(msg);
}
public static void info(String msg) {
LOGGER.info(msg);
}
public static void config(String msg) {
LOGGER.config(msg);
}
public static void fine(String msg) {
LOGGER.fine(msg);
}
public static void finer(String msg) {
LOGGER.finer(msg);
}
public static void finest(String msg) {
LOGGER.finest(msg);
}
public static void severe(String msg, Throwable t, boolean report) {
if (report) {
Reporter.report(t);
}
severe(msg, t);
}
public static void debug(String msg, Throwable t) {
if (debug) {
LOGGER.log(DEBUG, msg, t);
} else {
throw new Error("Logged debug message when not in debug mode.");
// To prevent people logging debug messages which will just be ignored, wasting resources constructing the message.
// (s/people/me being lazy/ :P)
}
}
public static void severe(String msg, Throwable t) {
LOGGER.log(Level.SEVERE, msg, t);
}
public static void warning(String msg, Throwable t) {
LOGGER.log(Level.WARNING, msg, t);
}
public static void info(String msg, Throwable t) {
LOGGER.log(Level.INFO, msg, t);
}
public static void config(String msg, Throwable t) {
LOGGER.log(Level.CONFIG, msg, t);
}
public static void fine(String msg, Throwable t) {
LOGGER.log(Level.FINE, msg, t);
}
public static void finer(String msg, Throwable t) {
LOGGER.log(Level.FINER, msg, t);
}
public static void finest(String msg, Throwable t) {
LOGGER.log(Level.FINEST, msg, t);
}
public static String name(World world) {
if (world == null) {
return "null world.";
} else if (world.provider == null) {
return "Broken world with ID " + MinecraftServer.getServer().getId((WorldServer) world);
}
return world.getName();
}
public static String classString(Object o) {
return "c " + MappingUtil.debobfuscate(o.getClass().getName()) + ' ';
}
public static String toString(Object o) {
try {
if (o instanceof World) {
return name((World) o);
}
String cS = classString(o);
String s = o.toString();
if (!s.startsWith(cS)) {
s = cS + s;
}
if (o instanceof TileEntity) {
TileEntity tE = (TileEntity) o;
if (!s.contains(" x, y, z: ")) {
s += " x, y, z: " + tE.xCoord + ", " + tE.yCoord + ", " + tE.zCoord;
}
}
return s;
} catch (Throwable t) {
Log.severe("Failed to perform toString on object of class " + o.getClass(), t);
return "unknown";
}
}
public static void log(Level level, Throwable throwable, String s) {
LOGGER.log(level, s, throwable);
}
public static String pos(final World world, final int x, final int z) {
return "in " + world.getName() + ' ' + pos(x, z);
}
public static String pos(final int x, final int z) {
return x + ", " + z;
}
public static String pos(final World world, final int x, final int y, final int z) {
return "in " + world.getName() + ' ' + pos(x, y, z);
}
public static String pos(final int x, final int y, final int z) {
return "at " + x + ", " + y + ", " + z;
}
public static String dumpWorld(World world) {
boolean unloaded = world.unloaded;
return (unloaded ? "un" : "") + "loaded world " + name(world) + '@' + System.identityHashCode(world) + ", dimension: " + world.getDimension() + ", provider dimension: " + (unloaded ? "unknown" : world.provider.dimensionId) + ", original dimension: " + world.originalDimension;
}
public static void checkWorlds() {
MinecraftServer minecraftServer = MinecraftServer.getServer();
List<WorldServer> bukkitWorldList = minecraftServer.worlds;
int a = bukkitWorldList == null ? -1 : bukkitWorldList.size();
int b = minecraftServer.worldServers.length;
int c = DimensionManager.getWorlds().length;
if ((a != -1 && a != b) || b != c) {
Log.severe("World counts mismatch.\n" + dumpWorlds());
} else if (hasDuplicates(bukkitWorldList) || hasDuplicates(minecraftServer.worldServers) || hasDuplicates(DimensionManager.getWorlds())) {
Log.severe("Duplicate worlds.\n" + dumpWorlds());
}
}
public static String dumpWorlds() {
StringBuilder sb = new StringBuilder();
List<World> dimensionManagerWorlds = new ArrayList<World>(Arrays.asList(DimensionManager.getWorlds()));
MinecraftServer minecraftServer = MinecraftServer.getServer();
List<World> minecraftServerWorlds = new ArrayList<World>(Arrays.asList(minecraftServer.worldServers));
List<WorldServer> bukkitWorldList = minecraftServer.worlds;
List<World> bukkitWorlds = bukkitWorldList == null ? null : new ArrayList<World>(bukkitWorldList);
if (bukkitWorlds != null) {
sb.append("Worlds in bukkitWorlds: \n").append(dumpWorlds(bukkitWorlds));
}
sb.append("Worlds in dimensionManager: \n").append(dumpWorlds(dimensionManagerWorlds));
sb.append("Worlds in minecraftServer: \n").append(dumpWorlds(minecraftServerWorlds));
return sb.toString();
}
private static boolean hasDuplicates(Object[] array) {
return hasDuplicates(Arrays.asList(array));
}
private static boolean hasDuplicates(List list) {
if (list == null) {
return false;
}
Set<Object> set = Collections.newSetFromMap(new IdentityHashMap<Object, Boolean>());
for (Object o : list) {
if (!set.add(o)) {
return true;
}
}
return false;
}
private static String dumpWorlds(final Collection<World> worlds) {
StringBuilder sb = new StringBuilder();
for (World world : worlds) {
sb.append(dumpWorld(world)).append('\n');
}
return sb.toString();
}
}