Java Channel类代码示例

import net.minecraft.util.io.netty.channel.Channel; //导入依赖的package包/类
private void registerBukkitEvents() {
	listener = new Listener() {

		@EventHandler(priority = EventPriority.LOWEST)
		public final void onPlayerLogin(PlayerLoginEvent e) {
			if (closed)
				return;

			Channel channel = getChannel(e.getPlayer());

			if (!uninjectedChannels.contains(channel)) {
				injectPlayer(e.getPlayer());
			}
		}

		@EventHandler
		public final void onPluginDisable(PluginDisableEvent e) {
			if (e.getPlugin().equals(plugin)) {
				close();
			}
		}

	};

	plugin.getServer().getPluginManager().registerEvents(listener, plugin);
}
 

import net.minecraft.util.io.netty.channel.Channel; //导入依赖的package包/类
private void unregisterChannelHandler() {
	if (serverChannelHandler == null)
		return;

	for (Channel serverChannel : serverChannels) {
		final ChannelPipeline pipeline = serverChannel.pipeline();

		// Remove channel handler
		serverChannel.eventLoop().execute(new Runnable() {

			@Override
			public void run() {
				try {
					pipeline.remove(serverChannelHandler);
				} catch (NoSuchElementException e) {
					// That's fine
				}
			}

		});
	}
}
 

import net.minecraft.util.io.netty.channel.Channel; //导入依赖的package包/类
private PacketInterceptor injectChannelInternal(Channel channel) {
	try {
		PacketInterceptor interceptor = (PacketInterceptor) channel
				.pipeline().get(handlerName);

		if (interceptor == null) {
			interceptor = new PacketInterceptor();
			channel.pipeline().addBefore("packet_handler", handlerName,
					interceptor);
			uninjectedChannels.remove(channel);
		}

		return interceptor;
	} catch (IllegalArgumentException e) {
		return (PacketInterceptor) channel.pipeline().get(handlerName);
	}
}
 

import net.minecraft.util.io.netty.channel.Channel; //导入依赖的package包/类
@Override
public void channelRead(ChannelHandlerContext ctx, Object msg)
		throws Exception {
	final Channel channel = ctx.channel();
	handleLoginStart(channel, msg);

	try {
		for (PacketListener listener : packetListeners) {
			msg = listener.onPacketInAsync(player, channel, msg);
		}
	} catch (Exception e) {
		plugin.getLogger().log(Level.SEVERE,
				"Error in onPacketInAsync().", e);
	}

	if (msg != null) {
		super.channelRead(ctx, msg);
	}
}
 

import net.minecraft.util.io.netty.channel.Channel; //导入依赖的package包/类
@SuppressWarnings("unchecked")
private void registerChannelHandler() {
	Object mcServer = getMinecraftServer.get(Bukkit.getServer());
	Object serverConnection = getServerConnection.get(mcServer);
	boolean looking = true;

	networkManagers = (List<Object>) getNetworkMarkers.invoke(null, serverConnection);
	createServerChannelHandler();

	for (int i = 0; looking; i++) {
		List<Object> list = Reflection.getField(serverConnection.getClass(), List.class, i).get(serverConnection);

		for (Object item : list) {
			if (!ChannelFuture.class.isInstance(item))
				break;

			Channel serverChannel = ((ChannelFuture) item).channel();

			serverChannels.add(serverChannel);
			serverChannel.pipeline().addFirst(serverChannelHandler);
			looking = false;
		}
	}
}
 

import net.minecraft.util.io.netty.channel.Channel; //导入依赖的package包/类
private void unregisterChannelHandler() {
	if (serverChannelHandler == null)
		return;

	for (Channel serverChannel : serverChannels) {
		final ChannelPipeline pipeline = serverChannel.pipeline();

		serverChannel.eventLoop().execute(new Runnable() {

			@Override
			public void run() {
				try {
					pipeline.remove(serverChannelHandler);
				} catch (NoSuchElementException e) {
				}
			}

		});
	}
}
 

import net.minecraft.util.io.netty.channel.Channel; //导入依赖的package包/类
@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
	final Channel channel = ctx.channel();
	handleLoginStart(channel, msg);

	try {
		for(PacketListener pl : protocolsListeners)
		msg = pl.onPacketInAsync(player, channel, msg);
	} catch (Exception e) {
		plugin.getLogger().log(Level.SEVERE, "Error in onPacketInAsync().", e);
	}

	if (msg != null) {
		super.channelRead(ctx, msg);
	}
}
 

import net.minecraft.util.io.netty.channel.Channel; //导入依赖的package包/类
@Override
public Object onPacketInAsync(Player sender, Channel channel, Object packet) {
	if (!this.packet.isInstance(packet)) return packet;
	
	int x = this.x.get(packet);
	int y = this.y.get(packet);
	int z = this.z.get(packet);
	String[] l = this.l.get(packet);
	
	Block b = sender.getWorld().getBlockAt(x, y, z);
	Sign s = (Sign) b.getState();
	
	for(int i = 0; i < l.length; i ++){
		if(sender.hasPermission("essentials.signs.color") || sender.hasPermission("signgui.color"))
			l[i] = ChatColor.translateAlternateColorCodes('&', l[i]);
		else 
			l[i] = ChatColor.stripColor(l[i]);
		s.setLine(i, l[i]);
	}
	s.update();
	return packet;
}
 

import net.minecraft.util.io.netty.channel.Channel; //导入依赖的package包/类
protected void initChannel(Channel channel) {
    try {
        channel.config().setOption(ChannelOption.IP_TOS, Integer.valueOf(24));
    } catch (ChannelException channelexception) {
        ;
    }

    try {
        channel.config().setOption(ChannelOption.TCP_NODELAY, Boolean.valueOf(false));
    } catch (ChannelException channelexception1) {
        ;
    }

    channel.pipeline().addLast("timeout", new ReadTimeoutHandler(30)).addLast("legacy_query", new LegacyPingHandler(this.a)).addLast("splitter", new PacketSplitter()).addLast("decoder", new PacketDecoder(NetworkManager.h)).addLast("prepender", new PacketPrepender()).addLast("encoder", new PacketEncoder(NetworkManager.h));
    NetworkManager networkmanager = new NetworkManager(false);

    ServerConnection.a(this.a).add(networkmanager);
    channel.pipeline().addLast("packet_handler", networkmanager);
    networkmanager.a((PacketListener) (new HandshakeListener(ServerConnection.b(this.a), networkmanager)));
}
 

import net.minecraft.util.io.netty.channel.Channel; //导入依赖的package包/类
@SuppressWarnings("unchecked")
private void registerChannelHandler() {
	Object mcServer = getMinecraftServer.get(Bukkit.getServer());
	Object serverConnection = getServerConnection.get(mcServer);
	boolean looking = true;

	networkManagers = (List<Object>) getNetworkMarkers.invoke(null,
			serverConnection);
	createServerChannelHandler();

	for (int i = 0; looking; i++) {
		List<Object> list = Reflection.getField(
				serverConnection.getClass(), List.class, i).get(
				serverConnection);

		for (Object item : list) {
			if (!ChannelFuture.class.isInstance(item))
				break;

			Channel serverChannel = ((ChannelFuture) item).channel();

			serverChannels.add(serverChannel);
			serverChannel.pipeline().addFirst(serverChannelHandler);
			looking = false;
		}
	}
}
 

import net.minecraft.util.io.netty.channel.Channel; //导入依赖的package包/类
public Channel getChannel(Player player) {
	Channel channel = channelLookup.get(player.getName());

	if (channel == null) {
		Object connection = getConnection.get(getPlayerHandle
				.invoke(player));
		Object manager = getManager.get(connection);

		channelLookup.put(player.getName(),
				channel = getChannel.get(manager));
	}

	return channel;
}
 

import net.minecraft.util.io.netty.channel.Channel; //导入依赖的package包/类
public void uninjectChannel(final Channel channel) {
	if (!closed) {
		uninjectedChannels.add(channel);
	}

	channel.eventLoop().execute(new Runnable() {

		@Override
		public void run() {
			channel.pipeline().remove(handlerName);
		}

	});
}
 

import net.minecraft.util.io.netty.channel.Channel; //导入依赖的package包/类
private void createServerChannelHandler() {
	endInitProtocol = new ChannelInitializer<Channel>() {

		@Override
		protected void initChannel(Channel channel) throws Exception {
			try {
				synchronized (networkManagers) {
					if (!closed) {
						injectChannelInternal(channel);
					}
				}
			} catch (Exception e) {
				plugin.getLogger().log(Level.SEVERE, "Cannot inject incomming channel " + channel, e);
			}
		}

	};

	beginInitProtocol = new ChannelInitializer<Channel>() {

		@Override
		protected void initChannel(Channel channel) throws Exception {
			channel.pipeline().addLast(endInitProtocol);
		}

	};

	serverChannelHandler = new ChannelInboundHandlerAdapter() {

		@Override
		public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
			Channel channel = (Channel) msg;

			channel.pipeline().addFirst(beginInitProtocol);
			ctx.fireChannelRead(msg);
		}

	};
}
 

import net.minecraft.util.io.netty.channel.Channel; //导入依赖的package包/类
private PacketInterceptor injectChannelInternal(Channel channel) {
	try {
		PacketInterceptor interceptor = (PacketInterceptor) channel.pipeline().get(handlerName);

		if (interceptor == null) {
			interceptor = new PacketInterceptor();
			channel.pipeline().addBefore("packet_handler", handlerName, interceptor);
			uninjectedChannels.remove(channel);
		}

		return interceptor;
	} catch (IllegalArgumentException e) {
		return (PacketInterceptor) channel.pipeline().get(handlerName);
	}
}
 

import net.minecraft.util.io.netty.channel.Channel; //导入依赖的package包/类
public Channel getChannel(Player player) {
	Channel channel = channelLookup.get(player.getName());

	if (channel == null) {
		Object connection = getConnection.get(getPlayerHandle.invoke(player));
		Object manager = getManager.get(connection);

		channelLookup.put(player.getName(), channel = getChannel.get(manager));
	}

	return channel;
}