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Fix legacy pinging with some uber ninja coding.

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Dieser Commit ist enthalten in:
md_5 2013-02-10 14:26:59 +11:00
Ursprung 4542cc4a23
Commit 7a9eda4b61
1 geänderte Dateien mit 36 neuen und 16 gelöschten Zeilen
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52
CraftBukkit-Patches/0026-Netty.patch
Datei anzeigen

@ -1,4 +1,4 @@
From 38d50a9b4c47c13727aaecf2da4f58fe2020532d Mon Sep 17 00:00:00 2001
From 61c1e45f834dc0ecbd2859a2ee98150e860187c7 Mon Sep 17 00:00:00 2001
From: md_5 <md_5@live.com.au>
Date: Sun, 3 Feb 2013 10:24:33 +1100
Subject: [PATCH] Netty
@ -17,13 +17,13 @@ This commit is licensed under the Creative Commons Attribution-ShareAlike 3.0 Un
.../net/minecraft/server/PendingConnection.java | 13 +-
.../net/minecraft/server/PlayerConnection.java | 2 +-
src/main/java/org/spigotmc/netty/CipherCodec.java | 65 ++++++
.../org/spigotmc/netty/NettyNetworkManager.java | 211 ++++++++++++++++++
.../org/spigotmc/netty/NettyServerConnection.java | 104 +++++++++
.../org/spigotmc/netty/NettyNetworkManager.java | 224 +++++++++++++++++++
.../org/spigotmc/netty/NettyServerConnection.java | 106 +++++++++
.../org/spigotmc/netty/NettySocketAdaptor.java | 248 +++++++++++++++++++++
.../java/org/spigotmc/netty/PacketDecoder.java | 57 +++++
.../java/org/spigotmc/netty/PacketDecoder.java | 62 ++++++
.../java/org/spigotmc/netty/PacketEncoder.java | 43 ++++
.../java/org/spigotmc/netty/PacketListener.java | 100 +++++++++
11 files changed, 849 insertions(+), 6 deletions(-)
11 files changed, 869 insertions(+), 6 deletions(-)
create mode 100644 src/main/java/org/spigotmc/netty/CipherCodec.java
create mode 100644 src/main/java/org/spigotmc/netty/NettyNetworkManager.java
create mode 100644 src/main/java/org/spigotmc/netty/NettyServerConnection.java
@ -199,10 +199,10 @@ index 0000000..cfc0535
+}
diff --git a/src/main/java/org/spigotmc/netty/NettyNetworkManager.java b/src/main/java/org/spigotmc/netty/NettyNetworkManager.java
new file mode 100644
index 0000000..effd1ee
index 0000000..998659d
--- /dev/null
+++ b/src/main/java/org/spigotmc/netty/NettyNetworkManager.java
@@ -0,0 +1,211 @@
@@ -0,0 +1,224 @@
+package org.spigotmc.netty;
+
+import io.netty.channel.Channel;
@ -222,6 +222,7 @@ index 0000000..effd1ee
+import net.minecraft.server.MinecraftServer;
+import net.minecraft.server.Packet;
+import net.minecraft.server.Packet252KeyResponse;
+import net.minecraft.server.Packet254GetInfo;
+import net.minecraft.server.PendingConnection;
+import net.minecraft.server.PlayerConnection;
+import org.bouncycastle.crypto.BufferedBlockCipher;
@ -238,6 +239,10 @@ index 0000000..effd1ee
+ private static final PrivateKey key = server.F().getPrivate();
+ private static final NettyServerConnection serverConnection = (NettyServerConnection) server.ae();
+ /*========================================================================*/
+ static final int LEGACY_PING_TIME = 1500;
+ Packet254GetInfo pingRequest;
+ long lastPingRead;
+ /*========================================================================*/
+ private Queue<Packet> syncPackets = new ConcurrentLinkedQueue<Packet>();
+ private volatile Channel channel;
+ private SocketAddress address;
@ -354,6 +359,14 @@ index 0000000..effd1ee
+ * them. This method should only be called from the main server thread.
+ */
+ public void b() {
+ // Horrible hack for legacy clients / server lists
+ if (pingRequest != null) {
+ if (System.currentTimeMillis() - lastPingRead > LEGACY_PING_TIME) {
+ syncPackets.add(pingRequest);
+ pingRequest = null;
+ }
+ }
+
+ for (int i = 1000; !syncPackets.isEmpty() && i >= 0; i--) {
+ if (handler instanceof PendingConnection ? ((PendingConnection) handler).c : ((PlayerConnection) handler).disconnected) {
+ syncPackets.clear();
@ -416,10 +429,10 @@ index 0000000..effd1ee
+}
diff --git a/src/main/java/org/spigotmc/netty/NettyServerConnection.java b/src/main/java/org/spigotmc/netty/NettyServerConnection.java
new file mode 100644
index 0000000..781c2cc
index 0000000..f80637a
--- /dev/null
+++ b/src/main/java/org/spigotmc/netty/NettyServerConnection.java
@@ -0,0 +1,104 @@
@@ -0,0 +1,106 @@
+package org.spigotmc.netty;
+
+import io.netty.bootstrap.ServerBootstrap;
@ -468,11 +481,13 @@ index 0000000..781c2cc
+ } catch (ChannelException ex) {
+ // IP_TOS is not supported (Windows XP / Windows Server 2003)
+ }
+ NettyNetworkManager networkManager = new NettyNetworkManager();
+
+ ch.pipeline()
+ .addLast("timer", new ReadTimeoutHandler(30))
+ .addLast("decoder", new PacketDecoder())
+ .addLast("decoder", new PacketDecoder(networkManager))
+ .addLast("encoder", new PacketEncoder())
+ .addLast("manager", new NettyNetworkManager());
+ .addLast("manager", networkManager);
+ }
+ }).group(new NioEventLoopGroup()).localAddress(host, port).bind();
+ }
@ -780,10 +795,10 @@ index 0000000..a3b86b8
+}
diff --git a/src/main/java/org/spigotmc/netty/PacketDecoder.java b/src/main/java/org/spigotmc/netty/PacketDecoder.java
new file mode 100644
index 0000000..dc0222e
index 0000000..4c72256
--- /dev/null
+++ b/src/main/java/org/spigotmc/netty/PacketDecoder.java
@@ -0,0 +1,57 @@
@@ -0,0 +1,62 @@
+package org.spigotmc.netty;
+
+import io.netty.buffer.ByteBuf;
@ -803,8 +818,12 @@ index 0000000..dc0222e
+ */
+public class PacketDecoder extends ReplayingDecoder<Packet> {
+
+ private final NettyNetworkManager networkManager;
+ private DataInputStream input;
+ private long lastPingRead;
+
+ public PacketDecoder(NettyNetworkManager networkManager) {
+ this.networkManager = networkManager;
+ }
+
+ @Override
+ public Packet decode(ChannelHandlerContext ctx, ByteBuf in) throws Exception {
@ -825,8 +844,10 @@ index 0000000..dc0222e
+ }
+
+ if (packetId == 0xFE && ((Packet254GetInfo) packet).a == 0) {
+ networkManager.pingRequest = (Packet254GetInfo) packet;
+ long currentTime = System.currentTimeMillis();
+ if ((lastPingRead == 0 && (lastPingRead = currentTime) == currentTime) || currentTime - lastPingRead < 1500) {
+ if ((networkManager.lastPingRead == 0 && (networkManager.lastPingRead = currentTime) == currentTime)
+ || currentTime - networkManager.lastPingRead < NettyNetworkManager.LEGACY_PING_TIME) {
+ return null;
+ }
+ }
@ -838,7 +859,6 @@ index 0000000..dc0222e
+ public void freeInboundBuffer(ChannelHandlerContext ctx) throws Exception {
+ super.freeInboundBuffer(ctx);
+ input = null;
+ lastPingRead = 0;
+ }
+}
diff --git a/src/main/java/org/spigotmc/netty/PacketEncoder.java b/src/main/java/org/spigotmc/netty/PacketEncoder.java