fe18b38aea
I misread the code and thought the code kept looping until the mob spawn cap was hit. Upon furthur review, this is not true, so this patch doesn't do anything sane.
49 lines
2.7 KiB
Diff
49 lines
2.7 KiB
Diff
From 3e7863928d22425c7f33221ee729bebf39f50731 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Mon, 16 May 2016 23:19:16 -0400
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Subject: [PATCH] Avoid blocking on Network Manager creation
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Per Paper issue 294
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diff --git a/src/main/java/net/minecraft/server/ServerConnection.java b/src/main/java/net/minecraft/server/ServerConnection.java
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index 4ab28e6..08634c3 100644
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--- a/src/main/java/net/minecraft/server/ServerConnection.java
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+++ b/src/main/java/net/minecraft/server/ServerConnection.java
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@@ -60,6 +60,17 @@ public class ServerConnection {
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public volatile boolean d;
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private final List<ChannelFuture> g = Collections.synchronizedList(Lists.<ChannelFuture>newArrayList());
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private final List<NetworkManager> h = Collections.synchronizedList(Lists.<NetworkManager>newArrayList());
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+ // Paper start - prevent blocking on adding a new network manager while the server is ticking
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+ private final List<NetworkManager> pending = Collections.synchronizedList(Lists.<NetworkManager>newArrayList());
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+ private void addPending() {
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+ synchronized (pending) {
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+ synchronized (this.h) { // Paper // OBFHELPER - List of network managers
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+ this.h.addAll(pending);
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+ pending.clear();
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+ }
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+ }
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+ }
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+ // Paper end
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public ServerConnection(MinecraftServer minecraftserver) {
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this.f = minecraftserver;
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@@ -94,7 +105,7 @@ public class ServerConnection {
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channel.pipeline().addLast("timeout", new ReadTimeoutHandler(30)).addLast("legacy_query", new LegacyPingHandler(ServerConnection.this)).addLast("splitter", new PacketSplitter()).addLast("decoder", new PacketDecoder(EnumProtocolDirection.SERVERBOUND)).addLast("prepender", new PacketPrepender()).addLast("encoder", new PacketEncoder(EnumProtocolDirection.CLIENTBOUND));
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NetworkManager networkmanager = new NetworkManager(EnumProtocolDirection.SERVERBOUND);
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- ServerConnection.this.h.add(networkmanager);
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+ pending.add(networkmanager); // Paper
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channel.pipeline().addLast("packet_handler", networkmanager);
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networkmanager.setPacketListener(new HandshakeListener(ServerConnection.this.f, networkmanager));
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}
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@@ -123,6 +134,7 @@ public class ServerConnection {
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synchronized (this.h) {
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// Spigot Start
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+ addPending(); // Paper
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// This prevents players from 'gaming' the server, and strategically relogging to increase their position in the tick order
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if ( org.spigotmc.SpigotConfig.playerShuffle > 0 && MinecraftServer.currentTick % org.spigotmc.SpigotConfig.playerShuffle == 0 )
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{
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--
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2.7.4 (Apple Git-66)
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