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Update to Netty CR7 - boasts numerous bug fixes and improvements, is sex

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md_5 2013-06-29 15:36:18 +10:00
parent df32b00c1e
commit d2bde0b68f
1 changed files with 123 additions and 74 deletions
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197
CraftBukkit-Patches/0025-Netty.patch
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@ -1,11 +1,11 @@
From fbe24d2a0d123e149b6311d9d47876b0b19d6fe5 Mon Sep 17 00:00:00 2001
From bb2577d18f5b7fd2e0582de1acd29825c3005276 Mon Sep 17 00:00:00 2001
From: md_5 <md_5@live.com.au>
Date: Sun, 23 Jun 2013 16:32:51 +1000
Subject: [PATCH] Netty
diff --git a/pom.xml b/pom.xml
index 8c9f66b..a33020e 100644
index 8c9f66b..f1a4d4c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -132,6 +132,16 @@
@ -15,12 +15,12 @@ index 8c9f66b..a33020e 100644
+ <dependency>
+ <groupId>io.netty</groupId>
+ <artifactId>netty-all</artifactId>
+ <version>4.0.0.CR1</version>
+ <version>4.0.0.CR7</version>
+ </dependency>
+ <dependency>
+ <groupId>org.javassist</groupId>
+ <artifactId>javassist</artifactId>
+ <version>3.17.1-GA</version>
+ <groupId>org.javassist</groupId>
+ <artifactId>javassist</artifactId>
+ <version>3.18.0-GA</version>
+ </dependency>
</dependencies>
@ -369,7 +369,7 @@ index 0000000..abe5e0c
+ }
+}
diff --git a/src/main/java/org/spigotmc/SpigotConfig.java b/src/main/java/org/spigotmc/SpigotConfig.java
index b7f3896..8a99179 100644
index a0a7790..8b7e48e 100644
--- a/src/main/java/org/spigotmc/SpigotConfig.java
+++ b/src/main/java/org/spigotmc/SpigotConfig.java
@@ -6,6 +6,8 @@ import java.io.IOException;
@ -431,13 +431,14 @@ index b7f3896..8a99179 100644
}
diff --git a/src/main/java/org/spigotmc/netty/CipherBase.java b/src/main/java/org/spigotmc/netty/CipherBase.java
new file mode 100644
index 0000000..c75a60f
index 0000000..c4306f7
--- /dev/null
+++ b/src/main/java/org/spigotmc/netty/CipherBase.java
@@ -0,0 +1,54 @@
@@ -0,0 +1,73 @@
+package org.spigotmc.netty;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.channel.ChannelHandlerContext;
+import javax.crypto.Cipher;
+import javax.crypto.ShortBufferException;
+
@ -468,7 +469,7 @@ index 0000000..c75a60f
+ this.cipher = cipher;
+ }
+
+ protected void cipher(ByteBuf in, ByteBuf out) throws ShortBufferException
+ private byte[] bufToByte(ByteBuf in)
+ {
+ byte[] heapIn = heapInLocal.get();
+ int readableBytes = in.readableBytes();
@ -478,6 +479,24 @@ index 0000000..c75a60f
+ heapInLocal.set( heapIn );
+ }
+ in.readBytes( heapIn, 0, readableBytes );
+ return heapIn;
+ }
+
+ protected ByteBuf cipher(ChannelHandlerContext ctx, ByteBuf in) throws ShortBufferException
+ {
+ int readableBytes = in.readableBytes();
+ byte[] heapIn = bufToByte( in );
+
+ ByteBuf heapOut = ctx.alloc().heapBuffer( cipher.getOutputSize( readableBytes ) );
+ heapOut.writerIndex( cipher.update( heapIn, 0, readableBytes, heapOut.array(), heapOut.arrayOffset() ) );
+
+ return heapOut;
+ }
+
+ protected void cipher(ByteBuf in, ByteBuf out) throws ShortBufferException
+ {
+ int readableBytes = in.readableBytes();
+ byte[] heapIn = bufToByte( in );
+
+ byte[] heapOut = heapOutLocal.get();
+ int outputSize = cipher.getOutputSize( readableBytes );
@ -491,18 +510,19 @@ index 0000000..c75a60f
+}
diff --git a/src/main/java/org/spigotmc/netty/CipherDecoder.java b/src/main/java/org/spigotmc/netty/CipherDecoder.java
new file mode 100644
index 0000000..98dc3a0
index 0000000..a1094d2
--- /dev/null
+++ b/src/main/java/org/spigotmc/netty/CipherDecoder.java
@@ -0,0 +1,23 @@
@@ -0,0 +1,24 @@
+package org.spigotmc.netty;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.handler.codec.ByteToByteDecoder;
+import io.netty.channel.MessageList;
+import io.netty.handler.codec.MessageToMessageDecoder;
+import javax.crypto.Cipher;
+
+class CipherDecoder extends ByteToByteDecoder
+public class CipherDecoder extends MessageToMessageDecoder<ByteBuf>
+{
+
+ private final CipherBase cipher;
@ -513,14 +533,14 @@ index 0000000..98dc3a0
+ }
+
+ @Override
+ protected void decode(ChannelHandlerContext ctx, ByteBuf in, ByteBuf out) throws Exception
+ protected void decode(ChannelHandlerContext ctx, ByteBuf msg, MessageList<Object> out) throws Exception
+ {
+ cipher.cipher( in, out );
+ out.add( cipher.cipher( ctx, msg ) );
+ }
+}
diff --git a/src/main/java/org/spigotmc/netty/CipherEncoder.java b/src/main/java/org/spigotmc/netty/CipherEncoder.java
new file mode 100644
index 0000000..4ff943b
index 0000000..2eb1dcb
--- /dev/null
+++ b/src/main/java/org/spigotmc/netty/CipherEncoder.java
@@ -0,0 +1,23 @@
@ -528,10 +548,10 @@ index 0000000..4ff943b
+
+import io.netty.buffer.ByteBuf;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.handler.codec.ByteToByteEncoder;
+import io.netty.handler.codec.MessageToByteEncoder;
+import javax.crypto.Cipher;
+
+class CipherEncoder extends ByteToByteEncoder
+public class CipherEncoder extends MessageToByteEncoder<ByteBuf>
+{
+
+ private final CipherBase cipher;
@ -549,18 +569,20 @@ index 0000000..4ff943b
+}
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..fdef0c8
index 0000000..313e3ea
--- /dev/null
+++ b/src/main/java/org/spigotmc/netty/NettyNetworkManager.java
@@ -0,0 +1,292 @@
@@ -0,0 +1,316 @@
+package org.spigotmc.netty;
+
+import com.google.common.util.concurrent.ThreadFactoryBuilder;
+import io.netty.channel.Channel;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.channel.ChannelInboundMessageHandlerAdapter;
+import io.netty.channel.ChannelInboundHandlerAdapter;
+import io.netty.channel.ChannelPromise;
+import io.netty.channel.MessageList;
+import io.netty.channel.socket.SocketChannel;
+import io.netty.channel.socket.nio.NioSocketChannel;
+import java.net.Socket;
+import java.net.SocketAddress;
+import java.security.PrivateKey;
@ -587,7 +609,7 @@ index 0000000..fdef0c8
+ * {@link INetworkManager} and handles all events and inbound messages provided
+ * by the upstream Netty process.
+ */
+public class NettyNetworkManager extends ChannelInboundMessageHandlerAdapter<Packet> implements INetworkManager
+public class NettyNetworkManager extends ChannelInboundHandlerAdapter implements INetworkManager
+{
+
+ private static final ExecutorService threadPool = Executors.newCachedThreadPool( new ThreadFactoryBuilder().setNameFormat( "Async Packet Handler - %1$d" ).build() );
@ -659,36 +681,41 @@ index 0000000..fdef0c8
+ {
+ "Internal exception: " + cause
+ } );
+ cause.printStackTrace();
+ }
+
+ @Override
+ public void messageReceived(ChannelHandlerContext ctx, final Packet msg) throws Exception
+ public void messageReceived(ChannelHandlerContext ctx, MessageList<Object> msgs) throws Exception
+ {
+ if ( connected )
+ MessageList<Packet> packets = msgs.cast();
+ for ( final Packet msg : packets )
+ {
+ if ( msg instanceof Packet252KeyResponse )
+ if ( connected )
+ {
+ secret = ( (Packet252KeyResponse) msg ).a( key );
+ Cipher decrypt = NettyServerConnection.getCipher( Cipher.DECRYPT_MODE, secret );
+ channel.pipeline().addBefore( "decoder", "decrypt", new CipherDecoder( decrypt ) );
+ }
+
+ if ( msg.a_() )
+ {
+ threadPool.submit( new Runnable()
+ if ( msg instanceof Packet252KeyResponse )
+ {
+ public void run()
+ secret = ( (Packet252KeyResponse) msg ).a( key );
+ Cipher decrypt = NettyServerConnection.getCipher( Cipher.DECRYPT_MODE, secret );
+ channel.pipeline().addBefore( "decoder", "decrypt", new CipherDecoder( decrypt ) );
+ }
+
+ if ( msg.a_() )
+ {
+ threadPool.submit( new Runnable()
+ {
+ Packet packet = PacketListener.callReceived( NettyNetworkManager.this, connection, msg );
+ if ( packet != null )
+ public void run()
+ {
+ packet.handle( connection );
+ Packet packet = PacketListener.callReceived( NettyNetworkManager.this, connection, msg );
+ if ( packet != null )
+ {
+ packet.handle( connection );
+ }
+ }
+ }
+ } );
+ } else
+ {
+ syncPackets.add( msg );
+ } );
+ } else
+ {
+ syncPackets.add( msg );
+ }
+ }
+ }
+ }
@ -714,30 +741,47 @@ index 0000000..fdef0c8
+ *
+ * @param packet the packet to queue
+ */
+ public void queue(Packet packet)
+ public void queue(final Packet packet)
+ {
+ // Only send if channel is still connected
+ if ( connected )
+ {
+ // Process packet via handler
+ packet = PacketListener.callQueued( this, connection, packet );
+ // If handler indicates packet send
+ if ( packet != null )
+ if ( channel.eventLoop().inEventLoop() )
+ {
+ highPriorityQueue.add( packet );
+
+ ChannelPromise promise = channel.newPromise();
+ if ( packet instanceof Packet255KickDisconnect )
+ queue0( packet );
+ } else
+ {
+ channel.eventLoop().execute( new Runnable()
+ {
+ channel.pipeline().get( OutboundManager.class ).lastFlush = 0;
+ }
+ public void run()
+ {
+ queue0( packet );
+ }
+ } );
+ }
+ }
+ }
+
+ channel.write( packet, promise );
+ if ( packet instanceof Packet252KeyResponse )
+ {
+ Cipher encrypt = NettyServerConnection.getCipher( Cipher.ENCRYPT_MODE, secret );
+ channel.pipeline().addBefore( "decoder", "encrypt", new CipherEncoder( encrypt ) );
+ }
+ private void queue0(Packet packet)
+ {
+ // Process packet via handler
+ packet = PacketListener.callQueued( this, connection, packet );
+ // If handler indicates packet send
+ if ( packet != null )
+ {
+ highPriorityQueue.add( packet );
+
+ ChannelPromise promise = channel.newPromise();
+ if ( packet instanceof Packet255KickDisconnect )
+ {
+ channel.pipeline().get( OutboundManager.class ).lastFlush = 0;
+ }
+
+ channel.write( packet, promise );
+ if ( packet instanceof Packet252KeyResponse )
+ {
+ Cipher encrypt = NettyServerConnection.getCipher( Cipher.ENCRYPT_MODE, secret );
+ channel.pipeline().addBefore( "decoder", "encrypt", new CipherEncoder( encrypt ) );
+ }
+ }
+ }
@ -1259,42 +1303,47 @@ index 0000000..5da8a59
+}
diff --git a/src/main/java/org/spigotmc/netty/OutboundManager.java b/src/main/java/org/spigotmc/netty/OutboundManager.java
new file mode 100644
index 0000000..4f37cb3
index 0000000..728f260
--- /dev/null
+++ b/src/main/java/org/spigotmc/netty/OutboundManager.java
@@ -0,0 +1,29 @@
@@ -0,0 +1,34 @@
+package org.spigotmc.netty;
+
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.channel.ChannelOperationHandlerAdapter;
+import io.netty.channel.ChannelOutboundHandlerAdapter;
+import io.netty.channel.ChannelPromise;
+import io.netty.channel.MessageList;
+import net.minecraft.server.PendingConnection;
+
+class OutboundManager extends ChannelOperationHandlerAdapter
+class OutboundManager extends ChannelOutboundHandlerAdapter
+{
+
+ private static final int FLUSH_TIME = 1;
+ /*========================================================================*/
+ public long lastFlush;
+ private final NettyNetworkManager manager;
+ private final MessageList<Object> pending = MessageList.newInstance();
+
+ OutboundManager(NettyNetworkManager manager)
+ {
+ this.manager = manager;
+ }
+
+ public void flush(ChannelHandlerContext ctx, ChannelPromise promise) throws Exception
+ @Override
+ public void write(ChannelHandlerContext ctx, MessageList<Object> msgs, ChannelPromise promise) throws Exception
+ {
+ pending.add( msgs );
+ if ( manager.connection instanceof PendingConnection || System.currentTimeMillis() - lastFlush > FLUSH_TIME )
+ {
+ lastFlush = System.currentTimeMillis();
+ ctx.flush( promise );
+ ctx.write( pending.copy() );
+ pending.clear();
+ }
+ }
+}
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..29e344a
index 0000000..3adc8d6
--- /dev/null
+++ b/src/main/java/org/spigotmc/netty/PacketDecoder.java
@@ -0,0 +1,68 @@
@ -1302,8 +1351,8 @@ index 0000000..29e344a
+
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.ByteBufInputStream;
+import io.netty.buffer.MessageBuf;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.channel.MessageList;
+import io.netty.handler.codec.ReplayingDecoder;
+import java.io.DataInputStream;
+import java.io.EOFException;
@ -1328,7 +1377,7 @@ index 0000000..29e344a
+ }
+
+ @Override
+ protected Packet decode(ChannelHandlerContext ctx, ByteBuf in) throws Exception
+ protected void decode(ChannelHandlerContext ctx, ByteBuf in, MessageList<Object> out) throws Exception
+ {
+ if ( input == null )
+ {
@ -1353,13 +1402,13 @@ index 0000000..29e344a
+ packet.a( input );
+ } catch ( EOFException ex )
+ {
+ return null;
+ return;
+ }
+
+ checkpoint( ReadState.HEADER );
+ Packet readPacket = packet;
+ out.add( packet );
+ packet = null;
+ return readPacket;
+ break;
+ default:
+ throw new IllegalStateException();
+ }
@ -1368,7 +1417,7 @@ index 0000000..29e344a
+}
diff --git a/src/main/java/org/spigotmc/netty/PacketEncoder.java b/src/main/java/org/spigotmc/netty/PacketEncoder.java
new file mode 100644
index 0000000..f0880c2
index 0000000..e6a45d3
--- /dev/null
+++ b/src/main/java/org/spigotmc/netty/PacketEncoder.java
@@ -0,0 +1,55 @@
@ -1418,7 +1467,7 @@ index 0000000..f0880c2
+ }
+
+ @Override
+ public void freeOutboundBuffer(ChannelHandlerContext ctx) throws Exception
+ public void handlerRemoved(ChannelHandlerContext ctx) throws Exception
+ {
+ if ( outBuf != null )
+ {