Files
KaiijuMC/patches/server/0007-Alternate-Keepalive.patch
2023-09-23 15:30:00 +02:00

74 lines
4.4 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: "Sofiane H. Djerbi" <46628754+kugge@users.noreply.github.com>
Date: Fri, 31 Mar 2023 01:52:44 +0300
Subject: [PATCH] Alternate Keepalive
Don't kick players because 1 keepalive is lost.
This patch is from Purpur.
diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
index 47e23a196ae5e44600a64184b69141c00235baca..95b53b50606ea0ad47f407bebbb9e2bd445c0e66 100644
--- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
+++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
@@ -205,8 +205,10 @@ public class KaiijuConfig {
}
public static boolean sendNullEntityPackets = true;
+ public static boolean alternateKeepAlive = false;
private static void networkSettings() {
sendNullEntityPackets = getBoolean("network.send-null-entity-packets", sendNullEntityPackets);
+ alternateKeepAlive = getBoolean("network.alternate-keepalive", alternateKeepAlive);
}
}
diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index 678bba9d636a0eb34270a2d26b5b3d0d6d900115..564b2e668d50f05863080288d20bd54077588db9 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -265,6 +265,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
private long keepAliveTime = Util.getMillis();
private boolean keepAlivePending;
private long keepAliveChallenge;
+ private it.unimi.dsi.fastutil.longs.LongList keepAlives = new it.unimi.dsi.fastutil.longs.LongArrayList(); // Kaiiju
// CraftBukkit start - multithreaded fields
private final AtomicInteger chatSpamTickCount = new AtomicInteger();
private final java.util.concurrent.atomic.AtomicInteger tabSpamLimiter = new java.util.concurrent.atomic.AtomicInteger(); // Paper - configurable tab spam limits
@@ -357,6 +358,20 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
long currentTime = Util.getMillis();
long elapsedTime = currentTime - this.keepAliveTime;
+ // Kaiiju start
+ if (dev.kaiijumc.kaiiju.KaiijuConfig.alternateKeepAlive) {
+ if (elapsedTime >= 1000L) { // 1 second
+ if (!processedDisconnect && keepAlives.size() * 1000L >= KEEPALIVE_LIMIT) {
+ LOGGER.warn("{} was kicked due to keepalive timeout!", this.player.getScoreboardName());
+ disconnect(Component.translatable("disconnect.timeout"), org.bukkit.event.player.PlayerKickEvent.Cause.TIMEOUT);
+ } else {
+ keepAliveTime = currentTime; // hijack this field for 1 second intervals
+ keepAlives.add(currentTime); // currentTime is ID
+ send(new ClientboundKeepAlivePacket(currentTime));
+ }
+ }
+ } else
+ // Kaiiju end
if (this.keepAlivePending) {
if (!this.processedDisconnect && elapsedTime >= KEEPALIVE_LIMIT) { // check keepalive limit, don't fire if already disconnected
ServerGamePacketListenerImpl.LOGGER.warn("{} was kicked due to keepalive timeout!", this.player.getScoreboardName()); // more info
@@ -3610,6 +3625,16 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
@Override
public void handleKeepAlive(ServerboundKeepAlivePacket packet) {
+ // Kaiiju start
+ if (dev.kaiijumc.kaiiju.KaiijuConfig.alternateKeepAlive) {
+ long id = packet.getId();
+ if (keepAlives.size() > 0 && keepAlives.contains(id)) {
+ int ping = (int) (Util.getMillis() - id);
+ player.latency = (player.latency * 3 + ping) / 4;
+ keepAlives.clear(); // we got a valid response, lets roll with it and forget the rest
+ }
+ } else
+ // Kaiiju end
//PacketUtils.ensureRunningOnSameThread(packet, this, this.player.serverLevel()); // CraftBukkit // Paper - This shouldn't be on the main thread
if (this.keepAlivePending && packet.getId() == this.keepAliveChallenge) {
int i = (int) (Util.getMillis() - this.keepAliveTime);