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459987d69f
improved the water code so that immunity wont trigger if the entity has the water pathfinder system active, so this improves support for all entities that know how to behave in water. Merged 2 EAR patches together, and removed an MCUtil method that doesnt have a purpose anymore
79 lines
4.3 KiB
Diff
79 lines
4.3 KiB
Diff
From 064858ed1b41ea7941a517f4307786f75836865a 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/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
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index 35a98bde1c..62b7f24b5a 100644
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--- a/src/main/java/net/minecraft/server/PlayerConnection.java
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+++ b/src/main/java/net/minecraft/server/PlayerConnection.java
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@@ -71,7 +71,7 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
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private final MinecraftServer minecraftServer;
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public EntityPlayer player;
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private int e;
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- private long f; private void setLastPing(long lastPing) { this.f = lastPing;}; private long getLastPing() { return this.f;}; // Paper - OBFHELPER
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+ private long f = SystemUtils.b(); private void setLastPing(long lastPing) { this.f = lastPing;}; private long getLastPing() { return this.f;}; // Paper - OBFHELPER - set ping to delay initial
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private boolean g; private void setPendingPing(boolean isPending) { this.g = isPending;}; private boolean isPendingPing() { return this.g;}; // Paper - OBFHELPER
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private long h; private void setKeepAliveID(long keepAliveID) { this.h = keepAliveID;}; private long getKeepAliveID() {return this.h; }; // Paper - OBFHELPER
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// CraftBukkit start - multithreaded fields
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@@ -102,6 +102,7 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
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private int E;
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private int receivedMovePackets;
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private int processedMovePackets;
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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 PlayerConnection(MinecraftServer minecraftserver, NetworkManager networkmanager, EntityPlayer entityplayer) {
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this.minecraftServer = minecraftserver;
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@@ -180,18 +181,26 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
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}
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this.minecraftServer.methodProfiler.a("keepAlive");
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- long i = SystemUtils.b();
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-
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- if (i - this.f >= 25000L) { // CraftBukkit
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- if (this.g) {
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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 = SystemUtils.b();
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+ long elapsedTime = currentTime - this.getLastPing();
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+
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+ if (this.isPendingPing()) {
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+ if (!this.processedDisconnect && elapsedTime >= KEEPALIVE_LIMIT) { // check keepalive limit, don't fire if already disconnected
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+ PlayerConnection.LOGGER.warn("{} was kicked due to keepalive timeout!", this.player.getName()); // more info
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this.disconnect(new ChatMessage("disconnect.timeout", new Object[0]));
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- } else {
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- this.g = true;
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- this.f = i;
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- this.h = i;
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- this.sendPacket(new PacketPlayOutKeepAlive(this.h));
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+ }
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+ } else {
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+ if (elapsedTime >= 15000L) { // 15 seconds
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+ this.setPendingPing(true);
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+ this.setLastPing(currentTime);
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+ this.setKeepAliveID(currentTime);
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+ this.sendPacket(new PacketPlayOutKeepAlive(this.getKeepAliveID()));
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+
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}
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}
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+ // Paper end
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this.minecraftServer.methodProfiler.e();
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// CraftBukkit start
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--
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2.19.0
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