自动获得节点地址功能

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

@@ -74,6 +74,10 @@ public class TCPConnection {
 		}
 	}
 
+	public void setTunnel(Tunnel tunnel) {
+		this.tunnel = tunnel;
+	}
+
 	public TCPConnection(Tunnel t) throws UnknownHostException, IOException {
 		this(t, t.connectClientSocket());
 	}