增加延迟检测功能

src/org/kne/cloud/network/klalb/TCPConnection.java

@@ -6,6 +6,7 @@ import java.io.DataInputStream;
 import java.io.DataOutputStream;
 import java.io.IOException;
 import java.net.Socket;
+import java.net.SocketException;
 import java.net.UnknownHostException;
 
 public class TCPConnection {
@@ -64,6 +65,13 @@ public class TCPConnection {
 
 	public void setDelay(long delay) {
 		this.delay = delay;
+		if(connect!=null) {
+			try {
+				connect.setSoTimeout((int) (delay/500000));
+			} catch (SocketException e) {
+				e.printStackTrace();
+			}
+		}
 	}
 
 	public TCPConnection(Tunnel t) throws UnknownHostException, IOException {
@@ -84,4 +92,16 @@ public class TCPConnection {
 		return !connect.isClosed();
 	}
 
+	
+	private volatile long time=System.nanoTime();
+	public boolean checkPingTime() {
+		long cu=System.nanoTime();
+		if(cu-time>Consts.PINGTIMENS) {
+			time=cu;
+			return true;
+		}else {
+			return false;
+		}
+	}
+
 }