geforkt von Mirrors/Paper
0708fa363b
Upstream has released updates that appears to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing CraftBukkit Changes:eb2e6578SPIGOT-5116: Fix concurrent modification exception inside ChunkMapDistance989f9b3dSPIGOT-4849: Fix server crash when accessing chunks during chunk load/unload/populate eventsf554183cSPIGOT-5171: Don't fire PlayerTeleportEvent if not actually moving2349feb8SPIGOT-5163: Cancelling PlayerBucketFillEvent visually removes the targeted block Spigot Changes: 9a643a6a Remove DataWatcher Locking
118 Zeilen
4.8 KiB
Diff
118 Zeilen
4.8 KiB
Diff
From 4c9233aa8657a100150f84a63dbf720445df7c11 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Tue, 27 Nov 2018 21:18:06 -0500
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Subject: [PATCH] Handle Large Packets disconnecting client
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If a players inventory is too big to send in a single packet,
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split the inventory set into multiple packets instead.
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diff --git a/src/main/java/net/minecraft/server/NetworkManager.java b/src/main/java/net/minecraft/server/NetworkManager.java
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index c073b04aa..1652662ae 100644
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--- a/src/main/java/net/minecraft/server/NetworkManager.java
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+++ b/src/main/java/net/minecraft/server/NetworkManager.java
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@@ -99,6 +99,15 @@ public class NetworkManager extends SimpleChannelInboundHandler<Packet<?>> {
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}
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public void exceptionCaught(ChannelHandlerContext channelhandlercontext, Throwable throwable) {
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+ // Paper start
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+ if (throwable instanceof io.netty.handler.codec.EncoderException && throwable.getCause() instanceof PacketEncoder.PacketTooLargeException) {
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+ if (((PacketEncoder.PacketTooLargeException) throwable.getCause()).getPacket().packetTooLarge(this)) {
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+ return;
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+ } else {
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+ throwable = throwable.getCause();
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+ }
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+ }
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+ // Paper end
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if (throwable instanceof SkipEncodeException) {
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NetworkManager.LOGGER.debug("Skipping packet due to errors", throwable.getCause());
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} else {
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diff --git a/src/main/java/net/minecraft/server/Packet.java b/src/main/java/net/minecraft/server/Packet.java
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index 601d4d0fa..2d8e6a2f4 100644
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--- a/src/main/java/net/minecraft/server/Packet.java
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+++ b/src/main/java/net/minecraft/server/Packet.java
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@@ -10,6 +10,12 @@ public interface Packet<T extends PacketListener> {
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void a(T t0);
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+ // Paper start
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+ default boolean packetTooLarge(NetworkManager manager) {
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+ return false;
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+ }
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+ // Paper end
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+
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default boolean a() {
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return false;
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}
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diff --git a/src/main/java/net/minecraft/server/PacketEncoder.java b/src/main/java/net/minecraft/server/PacketEncoder.java
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index 63c4dbd32..b0cfef52c 100644
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--- a/src/main/java/net/minecraft/server/PacketEncoder.java
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+++ b/src/main/java/net/minecraft/server/PacketEncoder.java
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@@ -49,7 +49,31 @@ public class PacketEncoder extends MessageToByteEncoder<Packet<?>> {
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throw throwable;
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}
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}
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+
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+ // Paper start
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+ int packetLength = bytebuf.readableBytes();
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+ if (packetLength > MAX_PACKET_SIZE) {
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+ throw new PacketTooLargeException(packet, packetLength);
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+ }
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+ // Paper end
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}
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}
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}
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+
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+ // Paper start
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+ private static int MAX_PACKET_SIZE = 2097152;
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+
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+ public static class PacketTooLargeException extends RuntimeException {
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+ private final Packet<?> packet;
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+
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+ PacketTooLargeException(Packet<?> packet, int packetLength) {
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+ super("PacketTooLarge - " + packet.getClass().getSimpleName() + " is " + packetLength + ". Max is " + MAX_PACKET_SIZE);
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+ this.packet = packet;
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+ }
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+
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+ public Packet<?> getPacket() {
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+ return packet;
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+ }
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+ }
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+ // Paper end
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}
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diff --git a/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java b/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java
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index d19a30ad8..58eccd9c6 100644
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--- a/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java
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+++ b/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java
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@@ -68,7 +68,7 @@ public class PacketPlayOutMapChunk implements Packet<PacketListenerPlayOut> {
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this.d = packetdataserializer.l();
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int i = packetdataserializer.i();
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- if (i > 2097152) {
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+ if (i > 2097152) { // Paper - if this changes, update PacketEncoder
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throw new RuntimeException("Chunk Packet trying to allocate too much memory on read.");
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} else {
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this.e = new byte[i];
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diff --git a/src/main/java/net/minecraft/server/PacketPlayOutWindowItems.java b/src/main/java/net/minecraft/server/PacketPlayOutWindowItems.java
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index f7c365567..631234324 100644
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--- a/src/main/java/net/minecraft/server/PacketPlayOutWindowItems.java
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+++ b/src/main/java/net/minecraft/server/PacketPlayOutWindowItems.java
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@@ -9,6 +9,15 @@ public class PacketPlayOutWindowItems implements Packet<PacketListenerPlayOut> {
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private int a;
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private List<ItemStack> b;
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+ //Paper start
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+ @Override
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+ public boolean packetTooLarge(NetworkManager manager) {
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+ for (int i = 0 ; i < this.b.size() ; i++) {
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+ manager.sendPacket(new PacketPlayOutSetSlot(this.a, i, this.b.get(i)));
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+ }
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+ return true;
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+ }
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+ // Paper end
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public PacketPlayOutWindowItems() {}
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public PacketPlayOutWindowItems(int i, NonNullList<ItemStack> nonnulllist) {
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--
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2.22.0
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