68 lines
4.1 KiB
Diff
68 lines
4.1 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: MrHua269 <wangxyper@163.com>
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Date: Sun, 12 Jan 2025 11:43:15 +0800
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Subject: [PATCH] Purpur Use alternative keep alive
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diff --git a/net/minecraft/server/network/ServerCommonPacketListenerImpl.java b/net/minecraft/server/network/ServerCommonPacketListenerImpl.java
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index 6eca15223b92aedac74233db886e2c1248750e2c..7507f32b5f0f7fbbf35eeaaf03bf9d99694c1683 100644
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--- a/net/minecraft/server/network/ServerCommonPacketListenerImpl.java
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+++ b/net/minecraft/server/network/ServerCommonPacketListenerImpl.java
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@@ -41,6 +41,7 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack
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private long keepAliveChallenge;
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private long closedListenerTime;
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private boolean closed = false;
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+ private it.unimi.dsi.fastutil.longs.LongList keepAlives = new it.unimi.dsi.fastutil.longs.LongArrayList(); // Purpur
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private int latency;
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private volatile boolean suspendFlushingOnServerThread = false;
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// CraftBukkit start
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@@ -130,6 +131,16 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack
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@Override
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public void handleKeepAlive(ServerboundKeepAlivePacket packet) {
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+ // Purpur start
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+ if (me.earthme.luminol.config.modules.optimizations.PurpurAlternativeKeepaliveConfig.useAlternateKeepAlive) {
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+ if (this.keepAlivePending && !keepAlives.isEmpty() && keepAlives.contains(packet.getId())) {
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+ int ping = (int) (Util.getMillis() - packet.getId());
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+ this.latency = (this.latency * 3 + ping) / 4;
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+ this.keepAlivePending = false;
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+ keepAlives.clear(); // we got a valid response, lets roll with it and forget the rest
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+ }
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+ } else
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+ // Purpur end
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if (this.keepAlivePending && packet.getId() == this.keepAliveChallenge) {
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int i = (int)(Util.getMillis() - this.keepAliveTime);
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this.latency = (this.latency * 3 + i) / 4;
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@@ -250,7 +261,22 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack
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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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final long elapsedTime = millis - this.keepAliveTime;
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- if (!this.isSingleplayerOwner() && elapsedTime >= 15000L) { // use vanilla's 15000L between keep alive packets
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+ // Purpur start
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+ if (me.earthme.luminol.config.modules.optimizations.PurpurAlternativeKeepaliveConfig.useAlternateKeepAlive) {
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+ if (elapsedTime >= 1000L) { // 1 second
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+ if (this.keepAlivePending && !this.processedDisconnect && keepAlives.size() * 1000L >= KEEPALIVE_LIMIT) {
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+ LOGGER.warn("{} was kicked due to keepalive timeout!", this.player.getScoreboardName());
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+ this.disconnect(ServerCommonPacketListenerImpl.TIMEOUT_DISCONNECTION_MESSAGE, org.bukkit.event.player.PlayerKickEvent.Cause.TIMEOUT);
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+ } else if (this.checkIfClosed(millis)) {
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+ this.keepAlivePending = true;
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+ this.keepAliveTime = millis; // hijack this field for 1 second intervals
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+ this.keepAlives.add(millis); // currentTime is ID
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+ this.send(new ClientboundKeepAlivePacket(millis));
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+ }
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+ }
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+ } else {
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+
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+ if (!this.isSingleplayerOwner() && elapsedTime >= 15000L) { // use vanilla's 15000L between keep alive packets
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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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this.disconnect(TIMEOUT_DISCONNECTION_MESSAGE, org.bukkit.event.player.PlayerKickEvent.Cause.TIMEOUT); // Paper - kick event cause
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@@ -263,6 +289,7 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack
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this.send(new ClientboundKeepAlivePacket(this.keepAliveChallenge));
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}
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}
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+ } // Purpur end
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Profiler.get().pop();
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}
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