mirror of
https://github.com/PaperMC/Paper.git
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70ad51a80c
Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing
My recent work on serialization is now in CraftBukkit so was able to drop the patch and Paper
is now consistent with upstream.
Bukkit Changes:
e2699636 Move API notes to more obvious location
CraftBukkit Changes:
1b2830a3 SPIGOT-4441: Fix serializing Components to and from Legacy
76 lines
4.5 KiB
Diff
76 lines
4.5 KiB
Diff
From 0000000000000000000000000000000000000000 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 1e81032f3118fb0c572ffe1ac975e60d30f94d67..be52533ef59c7a21119b8308247a5c8092a7db26 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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@@ -70,7 +70,7 @@ public class PlayerConnection implements PacketListenerPlayIn {
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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 lastKeepAlive; private void setLastPing(long lastPing) { this.lastKeepAlive = lastPing;}; private long getLastPing() { return this.lastKeepAlive;}; // Paper - OBFHELPER
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+ private long lastKeepAlive = SystemUtils.getMonotonicMillis(); private void setLastPing(long lastPing) { this.lastKeepAlive = lastPing;}; private long getLastPing() { return this.lastKeepAlive;}; // Paper - OBFHELPER
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private boolean awaitingKeepAlive; private void setPendingPing(boolean isPending) { this.awaitingKeepAlive = isPending;}; private boolean isPendingPing() { return this.awaitingKeepAlive;}; // 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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@@ -101,6 +101,7 @@ public class PlayerConnection implements PacketListenerPlayIn {
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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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@@ -182,18 +183,26 @@ public class PlayerConnection implements PacketListenerPlayIn {
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}
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this.minecraftServer.getMethodProfiler().enter("keepAlive");
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- long i = SystemUtils.getMonotonicMillis();
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-
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- if (i - this.lastKeepAlive >= 25000L) { // CraftBukkit
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- if (this.awaitingKeepAlive) {
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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.getMonotonicMillis();
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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.awaitingKeepAlive = true;
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- this.lastKeepAlive = 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.getMethodProfiler().exit();
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// CraftBukkit start
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