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apply the rest of the file patches

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granny
2026-03-23 18:02:01 -07:00
parent 9d93fc17bd
commit 2b97f2764b
6 changed files with 108 additions and 83 deletions
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purpur-server/minecraft-patches/unapplied-features/0022-Alternative-Keepalive-Handling-for-Improved-Keepaliv.patch Normal file
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@@ -0,0 +1,67 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: granny <contact@granny.dev>
Date: Mon, 23 Mar 2026 17:48:11 -0700
Subject: [PATCH] Alternative Keepalive Handling for Improved Keepalive Ping
System
diff --git a/net/minecraft/server/network/ServerCommonPacketListenerImpl.java b/net/minecraft/server/network/ServerCommonPacketListenerImpl.java
index b8a4b4cc02a2fc6b70f4b840796eed501aad6239..02c6733ce1de543dab3bf558148879039e501257 100644
--- a/net/minecraft/server/network/ServerCommonPacketListenerImpl.java
+++ b/net/minecraft/server/network/ServerCommonPacketListenerImpl.java
@@ -40,10 +40,11 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack
public final Connection connection; // Paper
private final boolean transferred;
//private long keepAliveTime; // Paper - improve keepalives
- //private boolean keepAlivePending; // Paper - improve keepalives
+ private boolean keepAlivePending; // Paper - improve keepalives // Purpur - Alternative Keepalive Handling
//private long keepAliveChallenge; // Paper - improve keepalives
private long closedListenerTime;
private boolean closed = false;
+ private it.unimi.dsi.fastutil.longs.LongList keepAlives = new it.unimi.dsi.fastutil.longs.LongArrayList(); // Purpur - Alternative Keepalive Handling
private volatile int latency; // Paper - improve keepalives - make volatile
private final io.papermc.paper.util.KeepAlive keepAlive; // Paper - improve keepalives
private volatile boolean suspendFlushingOnServerThread = false;
@@ -105,6 +110,18 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack
// Paper start - improve keepalives
long now = System.nanoTime();
io.papermc.paper.util.KeepAlive.PendingKeepAlive pending = this.keepAlive.pendingKeepAlives.peek();
+ // Purpur start - Alternative Keepalive Handling
+ if (org.purpurmc.purpur.PurpurConfig.useAlternateKeepAlive) {
+ if (this.keepAlivePending && !keepAlives.isEmpty() && keepAlives.contains(packet.getId())) {
+ int ping = (int) (Util.getMillis() - packet.getId());
+ int updatedLatency = (this.latency * 3 + ping) / 4;
+ this.latency = updatedLatency;
+ this.keepAlivePending = false;
+ keepAlives.clear(); // we got a valid response, lets roll with it and forget the rest
+ }
+ return;
+ } else
+ // Purpur end - Alternative Keepalive Handling
if (pending != null && pending.challengeId() == packet.getId()) {
this.keepAlive.pendingKeepAlives.remove(pending);
@@ -264,6 +287,23 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack
Profiler.get().push("keepAlive");
long millis = Util.getMillis();
// Paper start - improve keepalives
+ // Purpur start - Alternative Keepalive Handling
+ if (org.purpurmc.purpur.PurpurConfig.useAlternateKeepAlive) {
+ if (this.checkIfClosed(millis) && !this.processedDisconnect) {
+ long currTime = System.nanoTime();
+ if ((currTime - this.keepAlive.lastKeepAliveTx) >= java.util.concurrent.TimeUnit.SECONDS.toNanos(1L)) { // 1 second
+ this.keepAlive.lastKeepAliveTx = currTime;
+ if (this.keepAlivePending && !this.processedDisconnect && keepAlives.size() * 1000L >= KEEPALIVE_LIMIT) {
+ this.disconnect(TIMEOUT_DISCONNECTION_MESSAGE, io.papermc.paper.connection.DisconnectionReason.TIMEOUT);
+ } else if (this.checkIfClosed(millis)) {
+ this.keepAlivePending = true;
+ this.keepAlives.add(millis); // currentTime is ID
+ this.send(new ClientboundKeepAlivePacket(millis));
+ }
+ }
+ }
+ } else
+ // Purpur end - Alternative Keepalive Handling
if (this.checkIfClosed(millis) && !this.processedDisconnect) {
long currTime = System.nanoTime();