Loosen throttle strictness.

src/main/java/net/minecraft/server/NetworkAcceptThread.java

@@ -0,0 +1,46 @@
+package net.minecraft.server;
+
+import java.io.IOException;
+import java.net.InetAddress;
+import java.net.Socket;
+
+class NetworkAcceptThread extends Thread {
+
+    final MinecraftServer a;
+
+    final NetworkListenThread b;
+
+    NetworkAcceptThread(NetworkListenThread networklistenthread, String s, MinecraftServer minecraftserver) {
+        super(s);
+        this.b = networklistenthread;
+        this.a = minecraftserver;
+    }
+
+    public void run() {
+        while (this.b.b) {
+            try {
+                Socket socket = NetworkListenThread.a(this.b).accept();
+
+                if (socket != null) {
+                    synchronized (NetworkListenThread.b(this.b)) {
+                        InetAddress inetaddress = socket.getInetAddress();
+
+                        if (NetworkListenThread.b(this.b).containsKey(inetaddress) && System.currentTimeMillis() - ((Long) NetworkListenThread.b(this.b).get(inetaddress)).longValue() < 6000L) { // CraftBukkit
+                            NetworkListenThread.b(this.b).put(inetaddress, Long.valueOf(System.currentTimeMillis()));
+                            socket.close();
+                            continue;
+                        }
+
+                        NetworkListenThread.b(this.b).put(inetaddress, Long.valueOf(System.currentTimeMillis()));
+                    }
+
+                    NetLoginHandler netloginhandler = new NetLoginHandler(this.a, socket, "Connection #" + NetworkListenThread.c(this.b));
+
+                    NetworkListenThread.a(this.b, netloginhandler);
+                }
+            } catch (IOException ioexception) {
+                ioexception.printStackTrace();
+            }
+        }
+    }
+}

src/main/java/net/minecraft/server/NetworkListenThread.java

@@ -0,0 +1,107 @@
+package net.minecraft.server;
+
+import java.net.InetAddress;
+import java.net.ServerSocket;
+import java.net.Socket;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import java.io.IOException; // CraftBukkit
+
+public class NetworkListenThread {
+
+    public static Logger a = Logger.getLogger("Minecraft");
+    private ServerSocket d;
+    private Thread e;
+    public volatile boolean b = false;
+    private int f = 0;
+    private ArrayList g = new ArrayList();
+    private ArrayList h = new ArrayList();
+    public MinecraftServer c;
+    private HashMap i = new HashMap();
+
+    public NetworkListenThread(MinecraftServer minecraftserver, InetAddress inetaddress, int i) throws IOException { // CraftBukkit
+        this.c = minecraftserver;
+        this.d = new ServerSocket(i, 0, inetaddress);
+        this.d.setPerformancePreferences(0, 2, 1);
+        this.b = true;
+        this.e = new NetworkAcceptThread(this, "Listen thread", minecraftserver);
+        this.e.start();
+    }
+
+    public void a(Socket socket) {
+        InetAddress inetaddress = socket.getInetAddress();
+        HashMap hashmap = this.i;
+
+        synchronized (this.i) {
+            this.i.remove(inetaddress);
+        }
+    }
+
+    public void a(NetServerHandler netserverhandler) {
+        this.h.add(netserverhandler);
+    }
+
+    private void a(NetLoginHandler netloginhandler) {
+        if (netloginhandler == null) {
+            throw new IllegalArgumentException("Got null pendingconnection!");
+        } else {
+            this.g.add(netloginhandler);
+        }
+    }
+
+    public void a() {
+        int i;
+
+        for (i = 0; i < this.g.size(); ++i) {
+            NetLoginHandler netloginhandler = (NetLoginHandler) this.g.get(i);
+
+            try {
+                netloginhandler.a();
+            } catch (Exception exception) {
+                netloginhandler.disconnect("Internal server error");
+                a.log(Level.WARNING, "Failed to handle packet: " + exception, exception);
+            }
+
+            if (netloginhandler.c) {
+                this.g.remove(i--);
+            }
+
+            netloginhandler.networkManager.a();
+        }
+
+        for (i = 0; i < this.h.size(); ++i) {
+            NetServerHandler netserverhandler = (NetServerHandler) this.h.get(i);
+
+            try {
+                netserverhandler.a();
+            } catch (Exception exception1) {
+                a.log(Level.WARNING, "Failed to handle packet: " + exception1, exception1);
+                netserverhandler.disconnect("Internal server error");
+            }
+
+            if (netserverhandler.disconnected) {
+                this.h.remove(i--);
+            }
+
+            netserverhandler.networkManager.a();
+        }
+    }
+
+    static ServerSocket a(NetworkListenThread networklistenthread) {
+        return networklistenthread.d;
+    }
+
+    static HashMap b(NetworkListenThread networklistenthread) {
+        return networklistenthread.i;
+    }
+
+    static int c(NetworkListenThread networklistenthread) {
+        return networklistenthread.f++;
+    }
+
+    static void a(NetworkListenThread networklistenthread, NetLoginHandler netloginhandler) {
+        networklistenthread.a(netloginhandler);
+    }
+}