Mirror von
https://github.com/PaperMC/Paper.git
synchronisiert 2024-11-16 21:10:17 +01:00
7b0c576798
Allows us much greater control over the Spigot portion of the code and makes us more "proper" Credit to @Dmck2b for originally passing the idea along a while back
64 Zeilen
2.7 KiB
Diff
64 Zeilen
2.7 KiB
Diff
From ea2b784ee80f96adc590a68530786ab433efdb55 Mon Sep 17 00:00:00 2001
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From: Jonas Konrad <me@yawk.at>
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Date: Fri, 25 Apr 2014 23:46:46 +0200
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Subject: [PATCH] Fix race condition that could kill connections before they
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were initiated
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Because NetworkManagers are registered before they get their channel in
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channelActive, the ServerConnection would remove them sometimes because
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it thought they were disconnected. This commit fixes this by introducing
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a 'preparing' variable that is true while the NetworkManager is not
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initialized. The ServerConnection does not remove NetworkManagers with
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this flag.
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diff --git a/src/main/java/net/minecraft/server/NetworkManager.java b/src/main/java/net/minecraft/server/NetworkManager.java
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index 9939652..ae3de2f 100644
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--- a/src/main/java/net/minecraft/server/NetworkManager.java
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+++ b/src/main/java/net/minecraft/server/NetworkManager.java
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@@ -45,6 +45,7 @@ public class NetworkManager extends SimpleChannelInboundHandler {
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public SocketAddress n;
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public java.util.UUID spoofedUUID;
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public Property[] spoofedProfile;
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+ public boolean preparing = true;
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// Spigot End
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private PacketListener o;
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private EnumProtocol p;
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@@ -73,6 +74,9 @@ public class NetworkManager extends SimpleChannelInboundHandler {
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super.channelActive(channelhandlercontext);
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this.m = channelhandlercontext.channel();
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this.n = this.m.remoteAddress();
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+ // Spigot Start
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+ this.preparing = false;
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+ // Spigot End
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this.a(EnumProtocol.HANDSHAKING);
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}
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@@ -191,6 +195,9 @@ public class NetworkManager extends SimpleChannelInboundHandler {
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}
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public void close(IChatBaseComponent ichatbasecomponent) {
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+ // Spigot Start
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+ this.preparing = false;
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+ // Spigot End
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if (this.m.isOpen()) {
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this.m.close();
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this.q = ichatbasecomponent;
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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 1d7b814..981e22c 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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@@ -66,6 +66,10 @@ public class ServerConnection {
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NetworkManager networkmanager = (NetworkManager) iterator.next();
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if (!networkmanager.isConnected()) {
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+ // Spigot Start
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+ // Fix a race condition where a NetworkManager could be unregistered just before connection.
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+ if (networkmanager.preparing) continue;
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+ // Spigot End
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iterator.remove();
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if (networkmanager.f() != null) {
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networkmanager.getPacketListener().a(networkmanager.f());
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--
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1.9.1
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