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0ddd20c6f7
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 CraftBukkit Changes: ead719a65 SPIGOT-7136: Cancelling PlayerInteractEntityEvent with the Allay desyncs 8468e167e SPIGOT-7137: StructureGrowEvent isFromBonemeal and getPlayer have incorrect values d45057c59 SPIGOT-7089: Crash when command blocks attempt to load worlds Spigot Changes: 450dcaa8 Rebuild patches
72 lines
4 KiB
Diff
72 lines
4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Shane Freeder <theboyetronic@gmail.com>
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Date: Sun, 15 Oct 2017 00:29:07 +0100
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Subject: [PATCH] revert serverside behavior of keepalives
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This patch intends to bump up the time that a client has to reply to the
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server back to 30 seconds as per pre 1.12.2, which allowed clients
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more than enough time to reply potentially allowing them to be less
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tempermental due to lag spikes on the network thread, e.g. that caused
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by plugins that are interacting with netty.
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We also add a system property to allow people to tweak how long the server
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will wait for a reply. There is a compromise here between lower and higher
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values, lower values will mean that dead connections can be closed sooner,
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whereas higher values will make this less sensitive to issues such as spikes
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from networking or during connections flood of chunk packets on slower clients,
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at the cost of dead connections being kept open for longer.
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diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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index 96091153862433ffe2fdc90c00f1cc6be02e8977..90b09d4fcb267dff4ab3c910948876a4408abcd1 100644
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--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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@@ -256,7 +256,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
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public ServerPlayer player;
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private int tickCount;
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private int ackBlockChangesUpTo = -1;
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- private long keepAliveTime;
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+ private long keepAliveTime = Util.getMillis();
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private boolean keepAlivePending;
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private long keepAliveChallenge;
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// CraftBukkit start - multithreaded fields
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@@ -293,6 +293,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
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private final SignedMessageChain.Decoder signedMessageDecoder;
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private final LastSeenMessagesValidator lastSeenMessagesValidator;
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private final FutureChain chatMessageChain;
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+ private static final long KEEPALIVE_LIMIT = Long.getLong("paper.playerconnection.keepalive", 30) * 1000; // Paper - provide property to set keepalive limit
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public ServerGamePacketListenerImpl(MinecraftServer server, Connection connection, ServerPlayer player) {
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this.lastChatTimeStamp = new AtomicReference(Instant.EPOCH);
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@@ -391,18 +392,25 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
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}
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this.server.getProfiler().push("keepAlive");
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- long i = Util.getMillis();
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+ // Paper Start - give clients a longer time to respond to pings as per pre 1.12.2 timings
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+ // This should effectively place the keepalive handling back to "as it was" before 1.12.2
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+ long currentTime = Util.getMillis();
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+ long elapsedTime = currentTime - this.keepAliveTime;
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- if (i - this.keepAliveTime >= 25000L) { // CraftBukkit
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- if (this.keepAlivePending) {
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- this.disconnect(Component.translatable("disconnect.timeout"));
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- } else {
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+ if (this.keepAlivePending) {
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+ if (!this.processedDisconnect && elapsedTime >= KEEPALIVE_LIMIT) { // check keepalive limit, don't fire if already disconnected
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+ ServerGamePacketListenerImpl.LOGGER.warn("{} was kicked due to keepalive timeout!", this.player.getScoreboardName()); // more info
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+ this.disconnect(Component.translatable("disconnect.timeout", new Object[0]));
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+ }
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+ } else {
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+ if (elapsedTime >= 15000L) { // 15 seconds
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this.keepAlivePending = true;
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- this.keepAliveTime = i;
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- this.keepAliveChallenge = i;
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+ this.keepAliveTime = currentTime;
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+ this.keepAliveChallenge = currentTime;
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this.send(new ClientboundKeepAlivePacket(this.keepAliveChallenge));
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}
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}
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+ // Paper end
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this.server.getProfiler().pop();
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// CraftBukkit start
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