重发数据包优先

src/org/kne/io/Task.java

@@ -0,0 +1,31 @@
+package org.kne.io;
+
+public abstract class Task implements Runnable{
+	private volatile boolean begin=false,end=false;
+	private volatile Object t=new Object();
+	@Override
+	public void run() {
+		begin=true;
+		runTask();
+		
+		end=true;
+		if(t!=null) {
+			synchronized(t) {
+			t.notifyAll();
+			}
+		}
+	}
+	public void waitfortask() {
+		synchronized(t){
+		
+		try {
+			while(!end) {
+			t.wait(1);
+			}
+		} catch (InterruptedException e) {
+		
+			e.printStackTrace();
+		}}
+	}
+	protected abstract void runTask();
+}