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Fix first connect mostly failing because it is apparently that big of an issue for some people.

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md_5 2013-04-14 19:33:56 +10:00
parent 2d9c1669e4
commit 7955ab6342
1 changed files with 20 additions and 9 deletions
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29
CraftBukkit-Patches/0022-Netty.patch
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@ -1,4 +1,4 @@
From 9d989add21f07a6fe53fa6660c3fec6253bf7fe5 Mon Sep 17 00:00:00 2001 From da10d4e0be041953bba74bb60e7bc425a8efafd7 Mon Sep 17 00:00:00 2001
From: md_5 <md_5@live.com.au> From: md_5 <md_5@live.com.au>
Date: Thu, 14 Feb 2013 17:32:20 +1100 Date: Thu, 14 Feb 2013 17:32:20 +1100
Subject: [PATCH] Netty Subject: [PATCH] Netty
@ -32,7 +32,7 @@ Subject: [PATCH] Netty
Commons Attribution-ShareAlike 3.0 Unported license. Commons Attribution-ShareAlike 3.0 Unported license.
diff --git a/pom.xml b/pom.xml diff --git a/pom.xml b/pom.xml
index 39ee598..9404837 100644 index da1a0eb..b8c24af 100644
--- a/pom.xml --- a/pom.xml
+++ b/pom.xml +++ b/pom.xml
@@ -132,6 +132,11 @@ @@ -132,6 +132,11 @@
@ -229,10 +229,10 @@ index 84dcfcc..a30f217 100644
private static final int RECENT_TICKS; private static final int RECENT_TICKS;
diff --git a/src/main/java/org/spigotmc/netty/CipherCodec.java b/src/main/java/org/spigotmc/netty/CipherCodec.java diff --git a/src/main/java/org/spigotmc/netty/CipherCodec.java b/src/main/java/org/spigotmc/netty/CipherCodec.java
new file mode 100644 new file mode 100644
index 0000000..5e3a5f9 index 0000000..2dbbf6c
--- /dev/null --- /dev/null
+++ b/src/main/java/org/spigotmc/netty/CipherCodec.java +++ b/src/main/java/org/spigotmc/netty/CipherCodec.java
@@ -0,0 +1,59 @@ @@ -0,0 +1,67 @@
+package org.spigotmc.netty; +package org.spigotmc.netty;
+ +
+import io.netty.buffer.ByteBuf; +import io.netty.buffer.ByteBuf;
@ -240,6 +240,7 @@ index 0000000..5e3a5f9
+import io.netty.handler.codec.ByteToByteCodec; +import io.netty.handler.codec.ByteToByteCodec;
+import javax.crypto.Cipher; +import javax.crypto.Cipher;
+import javax.crypto.ShortBufferException; +import javax.crypto.ShortBufferException;
+import net.minecraft.server.Packet252KeyResponse;
+ +
+/** +/**
+ * This class is a complete solution for encrypting and decoding bytes in a + * This class is a complete solution for encrypting and decoding bytes in a
@ -250,6 +251,7 @@ index 0000000..5e3a5f9
+ +
+ private Cipher encrypt; + private Cipher encrypt;
+ private Cipher decrypt; + private Cipher decrypt;
+ private Packet252KeyResponse responsePacket;
+ private ThreadLocal<byte[]> heapInLocal = new EmptyByteThreadLocal(); + private ThreadLocal<byte[]> heapInLocal = new EmptyByteThreadLocal();
+ private ThreadLocal<byte[]> heapOutLocal = new EmptyByteThreadLocal(); + private ThreadLocal<byte[]> heapOutLocal = new EmptyByteThreadLocal();
+ +
@ -261,9 +263,15 @@ index 0000000..5e3a5f9
+ } + }
+ } + }
+ +
+ public CipherCodec(Cipher encrypt, Cipher decrypt) { + public CipherCodec(Cipher encrypt, Cipher decrypt, Packet252KeyResponse responsePacket) {
+ this.encrypt = encrypt; + this.encrypt = encrypt;
+ this.decrypt = decrypt; + this.decrypt = decrypt;
+ this.responsePacket = responsePacket;
+ }
+
+ @Override
+ public void beforeAdd(ChannelHandlerContext ctx) throws Exception {
+ ctx.channel().write(responsePacket);
+ } + }
+ +
+ @Override + @Override
@ -294,10 +302,10 @@ index 0000000..5e3a5f9
+} +}
diff --git a/src/main/java/org/spigotmc/netty/NettyNetworkManager.java b/src/main/java/org/spigotmc/netty/NettyNetworkManager.java diff --git a/src/main/java/org/spigotmc/netty/NettyNetworkManager.java b/src/main/java/org/spigotmc/netty/NettyNetworkManager.java
new file mode 100644 new file mode 100644
index 0000000..340d65a index 0000000..94d126d
--- /dev/null --- /dev/null
+++ b/src/main/java/org/spigotmc/netty/NettyNetworkManager.java +++ b/src/main/java/org/spigotmc/netty/NettyNetworkManager.java
@@ -0,0 +1,244 @@ @@ -0,0 +1,247 @@
+package org.spigotmc.netty; +package org.spigotmc.netty;
+ +
+import com.google.common.util.concurrent.ThreadFactoryBuilder; +import com.google.common.util.concurrent.ThreadFactoryBuilder;
@ -441,14 +449,17 @@ index 0000000..340d65a
+ // If handler indicates packet send + // If handler indicates packet send
+ if (packet != null) { + if (packet != null) {
+ highPriorityQueue.add(packet); + highPriorityQueue.add(packet);
+ channel.write(packet);
+ +
+ // If needed, check and prepare encryption phase + // If needed, check and prepare encryption phase
+ // We don't send the packet here as it is sent just before the cipher handler has been added to ensure we can safeguard from any race conditions
+ // Which are caused by the slow first initialization of the cipher SPI
+ if (packet instanceof Packet252KeyResponse) { + if (packet instanceof Packet252KeyResponse) {
+ Cipher encrypt = NettyServerConnection.getCipher(Cipher.ENCRYPT_MODE, secret); + Cipher encrypt = NettyServerConnection.getCipher(Cipher.ENCRYPT_MODE, secret);
+ Cipher decrypt = NettyServerConnection.getCipher(Cipher.DECRYPT_MODE, secret); + Cipher decrypt = NettyServerConnection.getCipher(Cipher.DECRYPT_MODE, secret);
+ CipherCodec codec = new CipherCodec(encrypt, decrypt); + CipherCodec codec = new CipherCodec(encrypt, decrypt, (Packet252KeyResponse) packet);
+ channel.pipeline().addBefore("decoder", "cipher", codec); + channel.pipeline().addBefore("decoder", "cipher", codec);
+ } else {
+ channel.write(packet);
+ } + }
+ } + }
+ } + }