118 lines
6 KiB
Diff
118 lines
6 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
|
|
From: underscore11code <minecrafter11mrt@gmail.com>
|
|
Date: Fri, 23 Jul 2021 23:01:42 -0700
|
|
Subject: [PATCH] Add System.out/err catcher
|
|
|
|
|
|
diff --git a/src/main/java/io/papermc/paper/logging/SysoutCatcher.java b/src/main/java/io/papermc/paper/logging/SysoutCatcher.java
|
|
new file mode 100644
|
|
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
|
|
--- /dev/null
|
|
+++ b/src/main/java/io/papermc/paper/logging/SysoutCatcher.java
|
|
@@ -0,0 +0,0 @@
|
|
+package io.papermc.paper.logging;
|
|
+
|
|
+import org.bukkit.Bukkit;
|
|
+import org.bukkit.plugin.java.JavaPlugin;
|
|
+import org.jetbrains.annotations.NotNull;
|
|
+import org.jetbrains.annotations.Nullable;
|
|
+
|
|
+import java.io.OutputStream;
|
|
+import java.io.PrintStream;
|
|
+import java.util.Objects;
|
|
+import java.util.concurrent.ConcurrentHashMap;
|
|
+import java.util.concurrent.ConcurrentMap;
|
|
+import java.util.concurrent.TimeUnit;
|
|
+import java.util.logging.Level;
|
|
+
|
|
+public final class SysoutCatcher {
|
|
+ private static final boolean SUPPRESS_NAGS = Boolean.getBoolean("io.papermc.paper.suppress.sout.nags");
|
|
+ // Nanoseconds between nag at most; if interval is caught first, this is reset.
|
|
+ // <= 0 for disabling.
|
|
+ private static final long NAG_TIMEOUT = TimeUnit.MILLISECONDS.toNanos(
|
|
+ Long.getLong("io.papermc.paper.sout.nags.timeout", TimeUnit.MINUTES.toMillis(5L)));
|
|
+ // Count since last nag; if timeout is first, this is reset.
|
|
+ // <= 0 for disabling.
|
|
+ private static final long NAG_INTERVAL = Long.getLong("io.papermc.paper.sout.nags.interval", 200L);
|
|
+
|
|
+ // We don't particularly care about how correct this is at any given moment; let's do it on a best attempt basis.
|
|
+ // The records are also pretty small, so let's just go for a size of 64 to start...
|
|
+ //
|
|
+ // Content: Plugin name => nag object
|
|
+ // Why plugin name?: This doesn't store a reference to the plugin; keeps the reload ability.
|
|
+ // Why not clean on reload?: Effort.
|
|
+ private final ConcurrentMap<String, PluginNag> nagRecords = new ConcurrentHashMap<>(64);
|
|
+
|
|
+ public SysoutCatcher() {
|
|
+ System.setOut(new WrappedOutStream(System.out, Level.INFO, "[STDOUT] "));
|
|
+ System.setErr(new WrappedOutStream(System.err, Level.SEVERE, "[STDERR] "));
|
|
+ }
|
|
+
|
|
+ private final class WrappedOutStream extends PrintStream {
|
|
+ private static final StackWalker STACK_WALKER = StackWalker.getInstance(StackWalker.Option.RETAIN_CLASS_REFERENCE);
|
|
+ private final Level level;
|
|
+ private final String prefix;
|
|
+
|
|
+ public WrappedOutStream(@NotNull final OutputStream out, final Level level, final String prefix) {
|
|
+ super(out);
|
|
+ this.level = level;
|
|
+ this.prefix = prefix;
|
|
+ }
|
|
+
|
|
+ @Override
|
|
+ public void println(@Nullable final String line) {
|
|
+ final Class<?> clazz = STACK_WALKER.getCallerClass();
|
|
+ try {
|
|
+ final JavaPlugin plugin = JavaPlugin.getProvidingPlugin(clazz);
|
|
+
|
|
+ // Instead of just printing the message, send it to the plugin's logger
|
|
+ plugin.getLogger().log(this.level, this.prefix + line);
|
|
+
|
|
+ if (SysoutCatcher.SUPPRESS_NAGS) {
|
|
+ return;
|
|
+ }
|
|
+ if (SysoutCatcher.NAG_INTERVAL > 0 || SysoutCatcher.NAG_TIMEOUT > 0) {
|
|
+ final PluginNag nagRecord = SysoutCatcher.this.nagRecords.computeIfAbsent(plugin.getName(), k -> new PluginNag());
|
|
+ final boolean hasTimePassed = SysoutCatcher.NAG_TIMEOUT > 0
|
|
+ && (nagRecord.lastNagTimestamp == Long.MIN_VALUE
|
|
+ || nagRecord.lastNagTimestamp + SysoutCatcher.NAG_TIMEOUT <= System.nanoTime());
|
|
+ final boolean hasMessagesPassed = SysoutCatcher.NAG_INTERVAL > 0
|
|
+ && (nagRecord.messagesSinceNag == Long.MIN_VALUE
|
|
+ || ++nagRecord.messagesSinceNag >= SysoutCatcher.NAG_INTERVAL);
|
|
+ if (!hasMessagesPassed && !hasTimePassed) {
|
|
+ return;
|
|
+ }
|
|
+ nagRecord.lastNagTimestamp = System.nanoTime();
|
|
+ nagRecord.messagesSinceNag = 0;
|
|
+ }
|
|
+ Bukkit.getLogger().warning(
|
|
+ String.format("Nag author(s): '%s' of '%s' about their usage of System.out/err.print. "
|
|
+ + "Please use your plugin's logger instead (JavaPlugin#getLogger).",
|
|
+ plugin.getDescription().getAuthors(),
|
|
+ plugin.getName())
|
|
+ );
|
|
+ } catch (final IllegalArgumentException | IllegalStateException e) {
|
|
+ // If anything happens, the calling class doesn't exist, there is no JavaPlugin that "owns" the calling class, etc
|
|
+ // Just print out normally, with some added information
|
|
+ Bukkit.getLogger().log(this.level, String.format("%s[%s] %s", this.prefix, clazz.getName(), line));
|
|
+ }
|
|
+ }
|
|
+ }
|
|
+
|
|
+ private static class PluginNag {
|
|
+ private long lastNagTimestamp = Long.MIN_VALUE;
|
|
+ private long messagesSinceNag = Long.MIN_VALUE;
|
|
+ }
|
|
+}
|
|
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
|
|
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
|
|
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
|
|
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
|
|
@@ -0,0 +0,0 @@ public final class CraftServer implements Server {
|
|
public int reloadCount;
|
|
private final io.papermc.paper.datapack.PaperDatapackManager datapackManager; // Paper
|
|
public static Exception excessiveVelEx; // Paper - Velocity warnings
|
|
+ private final io.papermc.paper.logging.SysoutCatcher sysoutCatcher = new io.papermc.paper.logging.SysoutCatcher(); // Paper
|
|
|
|
static {
|
|
ConfigurationSerialization.registerClass(CraftOfflinePlayer.class);
|