package net.minecraft.network;
import com.google.common.collect.Lists;
import com.google.common.util.concurrent.ThreadFactoryBuilder;
import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.Channel;
import io.netty.channel.ChannelException;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelOption;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.local.LocalEventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.nio.NioServerSocketChannel;
import io.netty.handler.timeout.ReadTimeoutHandler;
import io.netty.util.concurrent.Future;
import io.netty.util.concurrent.GenericFutureListener;
import java.io.IOException;
import java.net.InetAddress;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.concurrent.Callable;
import net.minecraft.crash.CrashReport;
import net.minecraft.crash.CrashReportCategory;
import net.minecraft.network.play.server.S40PacketDisconnect;
import net.minecraft.server.MinecraftServer;
import net.minecraft.server.network.NetHandlerHandshakeTCP;
import net.minecraft.util.ChatComponentText;
import net.minecraft.util.LazyLoadBase;
import net.minecraft.util.MessageDeserializer;
import net.minecraft.util.MessageDeserializer2;
import net.minecraft.util.MessageSerializer;
import net.minecraft.util.MessageSerializer2;
import net.minecraft.util.ReportedException;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
public class NetworkSystem
{
private static final Logger logger = LogManager.getLogger();
public static final LazyLoadBase eventLoops = new LazyLoadBase()
{
private static final String __OBFID = "CL_00001448";
protected NioEventLoopGroup genericLoad()
{
return new NioEventLoopGroup(0, (new ThreadFactoryBuilder()).setNameFormat("Netty Server IO #%d").setDaemon(true).build());
}
protected Object load()
{
return this.genericLoad();
}
};
public static final LazyLoadBase SERVER_LOCAL_EVENTLOOP = new LazyLoadBase()
{
private static final String __OBFID = "CL_00001449";
protected LocalEventLoopGroup genericLoad()
{
return new LocalEventLoopGroup(0, (new ThreadFactoryBuilder()).setNameFormat("Netty Local Server IO #%d").setDaemon(true).build());
}
protected Object load()
{
return this.genericLoad();
}
};
/** Reference to the MinecraftServer object. */
private final MinecraftServer mcServer;
/** True if this NetworkSystem has never had his endpoints terminated */
public volatile boolean isAlive;
/** Contains all endpoints added to this NetworkSystem */
private final List endpoints = Collections.synchronizedList(Lists.newArrayList());
/** A list containing all NetworkManager instances of all endpoints */
private final List networkManagers = Collections.synchronizedList(Lists.newArrayList());
private static final String __OBFID = "CL_00001447";
public NetworkSystem(MinecraftServer server)
{
this.mcServer = server;
this.isAlive = true;
}
/**
* Adds a channel that listens on publicly accessible network ports
*/
public void addLanEndpoint(InetAddress address, int port) throws IOException
{
List var3 = this.endpoints;
synchronized (this.endpoints)
{
this.endpoints.add(((ServerBootstrap)((ServerBootstrap)(new ServerBootstrap()).channel(NioServerSocketChannel.class)).childHandler(new ChannelInitializer()
{
private static final String __OBFID = "CL_00001450";
protected void initChannel(Channel p_initChannel_1_)
{
try
{
p_initChannel_1_.config().setOption(ChannelOption.IP_TOS, Integer.valueOf(24));
}
catch (ChannelException var4)
{
;
}
try
{
p_initChannel_1_.config().setOption(ChannelOption.TCP_NODELAY, Boolean.valueOf(false));
}
catch (ChannelException var3)
{
;
}
p_initChannel_1_.pipeline().addLast("timeout", new ReadTimeoutHandler(30)).addLast("legacy_query", new PingResponseHandler(NetworkSystem.this)).addLast("splitter", new MessageDeserializer2()).addLast("decoder", new MessageDeserializer(EnumPacketDirection.SERVERBOUND)).addLast("prepender", new MessageSerializer2()).addLast("encoder", new MessageSerializer(EnumPacketDirection.CLIENTBOUND));
NetworkManager var2 = new NetworkManager(EnumPacketDirection.SERVERBOUND);
NetworkSystem.this.networkManagers.add(var2);
p_initChannel_1_.pipeline().addLast("packet_handler", var2);
var2.setNetHandler(new NetHandlerHandshakeTCP(NetworkSystem.this.mcServer, var2));
}
}).group((EventLoopGroup)eventLoops.getValue()).localAddress(address, port)).bind().syncUninterruptibly());
}
}
/**
* Shuts down all open endpoints (with immediate effect?)
*/
public void terminateEndpoints()
{
this.isAlive = false;
Iterator var1 = this.endpoints.iterator();
while (var1.hasNext())
{
ChannelFuture var2 = (ChannelFuture)var1.next();
try
{
var2.channel().close().sync();
}
catch (InterruptedException var4)
{
logger.error("Interrupted whilst closing channel");
}
}
}
/**
* Will try to process the packets received by each NetworkManager, gracefully manage processing failures and cleans
* up dead connections
*/
public void networkTick()
{
List var1 = this.networkManagers;
synchronized (this.networkManagers)
{
Iterator var2 = this.networkManagers.iterator();
while (var2.hasNext())
{
final NetworkManager var3 = (NetworkManager)var2.next();
if (!var3.hasNoChannel())
{
if (!var3.isChannelOpen())
{
var2.remove();
var3.checkDisconnected();
}
else
{
try
{
var3.processReceivedPackets();
}
catch (Exception var8)
{
if (var3.isLocalChannel())
{
CrashReport var10 = CrashReport.makeCrashReport(var8, "Ticking memory connection");
CrashReportCategory var6 = var10.makeCategory("Ticking connection");
var6.addCrashSectionCallable("Connection", new Callable()
{
private static final String __OBFID = "CL_00002272";
public String func_180229_a()
{
return var3.toString();
}
public Object call()
{
return this.func_180229_a();
}
});
throw new ReportedException(var10);
}
logger.warn("Failed to handle packet for " + var3.getRemoteAddress(), var8);
final ChatComponentText var5 = new ChatComponentText("Internal server error");
var3.sendPacket(new S40PacketDisconnect(var5), new GenericFutureListener()
{
private static final String __OBFID = "CL_00002271";
public void operationComplete(Future p_operationComplete_1_)
{
var3.closeChannel(var5);
}
}, new GenericFutureListener[0]);
var3.disableAutoRead();
}
}
}
}
}
}
public MinecraftServer getServer()
{
return this.mcServer;
}
}