Mirror von
https://github.com/PaperMC/Paper.git
synchronisiert 2024-12-16 03:20:07 +01:00
ef0e5a642d
Upstream has released updates that appear to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: 9ae3f10f SPIGOT-3842: Add Player#fireworkBoost() and expand Firework API 48c0c547 PR-786: Add methods to get sounds from entities CraftBukkit Changes: 5cc9c022a SPIGOT-7152: Handle hand item changing during air interact event 4ffa1acf6 SPIGOT-7154: Players get kicked when interacting with a conversation 4daa21123 SPIGOT-3842: Add Player#fireworkBoost() and expand Firework API e5d6a9bbf PR-1100: Add methods to get sounds from entities b7e9f1c8b SPIGOT-7146: Reduce use of Material switch in ItemMeta Spigot Changes: 4c157bb4 Rebuild patches
68 Zeilen
4.1 KiB
Diff
68 Zeilen
4.1 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Andrew Steinborn <git@steinborn.me>
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Date: Sun, 5 Jul 2020 22:38:18 -0400
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Subject: [PATCH] Optimize NetworkManager Exception Handling
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diff --git a/src/main/java/net/minecraft/network/ConnectionProtocol.java b/src/main/java/net/minecraft/network/ConnectionProtocol.java
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index 672e296cec289abd3bf797d84e16983ca50907be..aec921477e035095d569eab3335175b93a65e672 100644
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--- a/src/main/java/net/minecraft/network/ConnectionProtocol.java
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+++ b/src/main/java/net/minecraft/network/ConnectionProtocol.java
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@@ -302,6 +302,7 @@ public enum ConnectionProtocol {
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@Nullable
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public Packet<?> createPacket(int id, FriendlyByteBuf buf) {
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+ if (id < 0 || id >= this.idToDeserializer.size()) return null; // Paper
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Function<FriendlyByteBuf, ? extends Packet<T>> function = this.idToDeserializer.get(id);
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return function != null ? function.apply(buf) : null;
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}
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diff --git a/src/main/java/net/minecraft/network/Varint21FrameDecoder.java b/src/main/java/net/minecraft/network/Varint21FrameDecoder.java
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index 99b581052f937b0f2d6b5d73de699008c1d51774..ed54479b14dcfc736ac90749106557f0ff537550 100644
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--- a/src/main/java/net/minecraft/network/Varint21FrameDecoder.java
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+++ b/src/main/java/net/minecraft/network/Varint21FrameDecoder.java
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@@ -8,8 +8,20 @@ import io.netty.handler.codec.CorruptedFrameException;
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import java.util.List;
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public class Varint21FrameDecoder extends ByteToMessageDecoder {
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+ private final byte[] lenBuf = new byte[3]; // Paper
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+ @Override
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protected void decode(ChannelHandlerContext channelHandlerContext, ByteBuf byteBuf, List<Object> list) {
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+ // Paper start - if channel is not active just discard the packet
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+ if (!channelHandlerContext.channel().isActive()) {
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+ byteBuf.skipBytes(byteBuf.readableBytes());
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+ return;
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+ }
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+ // Paper end
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byteBuf.markReaderIndex();
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+ // Paper start - reuse temporary length buffer
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+ byte[] abyte = lenBuf;
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+ java.util.Arrays.fill(abyte, (byte) 0);
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+ // Paper end
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byte[] bs = new byte[3];
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for(int i = 0; i < bs.length; ++i) {
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diff --git a/src/main/java/net/minecraft/network/protocol/PacketUtils.java b/src/main/java/net/minecraft/network/protocol/PacketUtils.java
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index 049e64c355d5f064009b1107ad15d28c44f999dd..acfa1907bfc9c29d261cfccc00d65bad9ad1a002 100644
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--- a/src/main/java/net/minecraft/network/protocol/PacketUtils.java
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+++ b/src/main/java/net/minecraft/network/protocol/PacketUtils.java
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@@ -30,11 +30,15 @@ public class PacketUtils {
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try (co.aikar.timings.Timing ignored = timing.startTiming()) { // Paper - timings
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packet.handle(listener);
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} catch (Exception exception) {
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- if (listener.shouldPropagateHandlingExceptions()) {
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- throw exception;
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+ net.minecraft.network.Connection networkmanager = listener.getConnection();
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+ if (networkmanager.getPlayer() != null) {
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+ LOGGER.error("Error whilst processing packet {} for {}[{}]", packet, networkmanager.getPlayer().getScoreboardName(), networkmanager.getRemoteAddress(), exception);
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+ } else {
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+ LOGGER.error("Error whilst processing packet {} for connection from {}", packet, networkmanager.getRemoteAddress(), exception);
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}
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-
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- PacketUtils.LOGGER.error("Failed to handle packet {}, suppressing error", packet, exception);
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+ net.minecraft.network.chat.Component error = net.minecraft.network.chat.Component.literal("Packet processing error");
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+ networkmanager.send(new net.minecraft.network.protocol.game.ClientboundDisconnectPacket(error), net.minecraft.network.PacketSendListener.thenRun(() -> networkmanager.disconnect(error)));
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+ networkmanager.setReadOnly();
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}
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} else {
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PacketUtils.LOGGER.debug("Ignoring packet due to disconnection: {}", packet);
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