mirror of
https://github.com/PurpurMC/Purpur.git
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8af4ea6f46
Upstream has released updates that appear to apply and compile correctly Paper Changes: PaperMC/Paper@d1a72ea Updated Upstream (Bukkit/CraftBukkit/Spigot) (#11405) PaperMC/Paper@0a53f1d Set default drop behavior for player deaths (#11380) PaperMC/Paper@951e7dd Fix TrialSpawner forgetting assigned mob when placed by player (#11381) PaperMC/Paper@13a2395 Fix enable-player-collisions playing sounds when set to false (#11390)
74 lines
4.6 KiB
Diff
74 lines
4.6 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: William Blake Galbreath <blake.galbreath@gmail.com>
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Date: Fri, 11 Oct 2019 00:17:39 -0500
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Subject: [PATCH] Alternative Keepalive Handling
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diff --git a/src/main/java/net/minecraft/server/network/ServerCommonPacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerCommonPacketListenerImpl.java
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index 2bb1c00e350497b425da63e473d7af5c67c911b8..9b886ebab609586f0368476331cf54cbe4bde6f1 100644
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--- a/src/main/java/net/minecraft/server/network/ServerCommonPacketListenerImpl.java
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+++ b/src/main/java/net/minecraft/server/network/ServerCommonPacketListenerImpl.java
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@@ -79,6 +79,7 @@ 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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public final java.util.Map<java.util.UUID, net.kyori.adventure.resource.ResourcePackCallback> packCallbacks = new java.util.concurrent.ConcurrentHashMap<>(); // Paper - adventure resource pack callbacks
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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 (org.purpurmc.purpur.PurpurConfig.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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//PacketUtils.ensureRunningOnSameThread(packet, this, this.player.serverLevel()); // CraftBukkit // Paper - handle ServerboundKeepAlivePacket async
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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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@@ -266,6 +277,21 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack
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long currentTime = Util.getMillis();
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long elapsedTime = currentTime - this.keepAliveTime;
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+ // Purpur start
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+ if (org.purpurmc.purpur.PurpurConfig.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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+ this.disconnect(ServerCommonPacketListenerImpl.TIMEOUT_DISCONNECTION_MESSAGE, org.bukkit.event.player.PlayerKickEvent.Cause.TIMEOUT);
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+ } else if (this.checkIfClosed(currentTime)) {
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+ this.keepAlivePending = true;
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+ this.keepAliveTime = currentTime; // hijack this field for 1 second intervals
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+ this.keepAlives.add(currentTime); // currentTime is ID
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+ this.send(new ClientboundKeepAlivePacket(currentTime));
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+ }
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+ }
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+ } else
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+ // Purpur end
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+
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if (!this.isSingleplayerOwner() && elapsedTime >= 15000L) { // Paper - use vanilla's 15000L between keep alive packets
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if (this.keepAlivePending && !this.processedDisconnect && elapsedTime >= KEEPALIVE_LIMIT) { // Paper - check keepalive limit, don't fire if already disconnected
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this.disconnect(ServerCommonPacketListenerImpl.TIMEOUT_DISCONNECTION_MESSAGE, PlayerKickEvent.Cause.TIMEOUT); // Paper - kick event cause
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diff --git a/src/main/java/org/purpurmc/purpur/PurpurConfig.java b/src/main/java/org/purpurmc/purpur/PurpurConfig.java
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index 9e6bcdaa2b3dabb2a7c50034eed81f0064a2f98f..4ddeff1d34f5e3f7f9c6cfe1c517be0e2d57f86f 100644
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--- a/src/main/java/org/purpurmc/purpur/PurpurConfig.java
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+++ b/src/main/java/org/purpurmc/purpur/PurpurConfig.java
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@@ -200,6 +200,11 @@ public class PurpurConfig {
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laggingThreshold = getDouble("settings.lagging-threshold", laggingThreshold);
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}
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+ public static boolean useAlternateKeepAlive = false;
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+ private static void useAlternateKeepAlive() {
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+ useAlternateKeepAlive = getBoolean("settings.use-alternate-keepalive", useAlternateKeepAlive);
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+ }
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+
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public static int barrelRows = 3;
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public static boolean enderChestSixRows = false;
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public static boolean enderChestPermissionRows = false;
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