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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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parent
2d9c1669e4
commit
7955ab6342
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@ -1,4 +1,4 @@
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From 9d989add21f07a6fe53fa6660c3fec6253bf7fe5 Mon Sep 17 00:00:00 2001
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From da10d4e0be041953bba74bb60e7bc425a8efafd7 Mon Sep 17 00:00:00 2001
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From: md_5 <md_5@live.com.au>
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Date: Thu, 14 Feb 2013 17:32:20 +1100
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Subject: [PATCH] Netty
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@ -32,7 +32,7 @@ Subject: [PATCH] Netty
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Commons Attribution-ShareAlike 3.0 Unported license.
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diff --git a/pom.xml b/pom.xml
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index 39ee598..9404837 100644
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index da1a0eb..b8c24af 100644
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--- a/pom.xml
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+++ b/pom.xml
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@@ -132,6 +132,11 @@
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@ -229,10 +229,10 @@ index 84dcfcc..a30f217 100644
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private static final int RECENT_TICKS;
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diff --git a/src/main/java/org/spigotmc/netty/CipherCodec.java b/src/main/java/org/spigotmc/netty/CipherCodec.java
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new file mode 100644
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index 0000000..5e3a5f9
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index 0000000..2dbbf6c
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--- /dev/null
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+++ b/src/main/java/org/spigotmc/netty/CipherCodec.java
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@@ -0,0 +1,59 @@
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@@ -0,0 +1,67 @@
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+package org.spigotmc.netty;
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+
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+import io.netty.buffer.ByteBuf;
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@ -240,6 +240,7 @@ index 0000000..5e3a5f9
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+import io.netty.handler.codec.ByteToByteCodec;
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+import javax.crypto.Cipher;
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+import javax.crypto.ShortBufferException;
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+import net.minecraft.server.Packet252KeyResponse;
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+
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+/**
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+ * This class is a complete solution for encrypting and decoding bytes in a
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@ -250,6 +251,7 @@ index 0000000..5e3a5f9
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+
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+ private Cipher encrypt;
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+ private Cipher decrypt;
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+ private Packet252KeyResponse responsePacket;
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+ private ThreadLocal<byte[]> heapInLocal = new EmptyByteThreadLocal();
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+ private ThreadLocal<byte[]> heapOutLocal = new EmptyByteThreadLocal();
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+
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@ -261,9 +263,15 @@ index 0000000..5e3a5f9
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+ }
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+ }
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+
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+ public CipherCodec(Cipher encrypt, Cipher decrypt) {
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+ public CipherCodec(Cipher encrypt, Cipher decrypt, Packet252KeyResponse responsePacket) {
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+ this.encrypt = encrypt;
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+ this.decrypt = decrypt;
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+ this.responsePacket = responsePacket;
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+ }
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+
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+ @Override
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+ public void beforeAdd(ChannelHandlerContext ctx) throws Exception {
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+ ctx.channel().write(responsePacket);
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+ }
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+
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+ @Override
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@ -294,10 +302,10 @@ index 0000000..5e3a5f9
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+}
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diff --git a/src/main/java/org/spigotmc/netty/NettyNetworkManager.java b/src/main/java/org/spigotmc/netty/NettyNetworkManager.java
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new file mode 100644
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index 0000000..340d65a
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index 0000000..94d126d
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--- /dev/null
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+++ b/src/main/java/org/spigotmc/netty/NettyNetworkManager.java
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@@ -0,0 +1,244 @@
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@@ -0,0 +1,247 @@
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+package org.spigotmc.netty;
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+
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+import com.google.common.util.concurrent.ThreadFactoryBuilder;
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@ -441,14 +449,17 @@ index 0000000..340d65a
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+ // If handler indicates packet send
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+ if (packet != null) {
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+ highPriorityQueue.add(packet);
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+ channel.write(packet);
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+
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+ // If needed, check and prepare encryption phase
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+ // 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
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+ // Which are caused by the slow first initialization of the cipher SPI
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+ if (packet instanceof Packet252KeyResponse) {
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+ Cipher encrypt = NettyServerConnection.getCipher(Cipher.ENCRYPT_MODE, secret);
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+ Cipher decrypt = NettyServerConnection.getCipher(Cipher.DECRYPT_MODE, secret);
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+ CipherCodec codec = new CipherCodec(encrypt, decrypt);
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+ CipherCodec codec = new CipherCodec(encrypt, decrypt, (Packet252KeyResponse) packet);
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+ channel.pipeline().addBefore("decoder", "cipher", codec);
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+ } else {
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+ channel.write(packet);
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+ }
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+ }
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+ }
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