test_structure.java.svn-base

网络模拟器

/*
	This is to test if the static structure of the simulator is working.

	It creates three nodes, a couple of interfaces and links and then
	displays the contents of the simulator.
*/

import jns.Simulator;

import jns.element.*;
import jns.util.*;

public class Test_Structure {


  public static void main(String args[]) {

    // Get a simulator

    Simulator sim=Simulator.getInstance();

      
    // Set up three nodes

    Node src=new Node("Source node");
    Node router=new Node("Router");
    Node dest=new Node("Destination node");

    sim.attach(src);
    sim.attach(router);
    sim.attach(dest);


    // Give source and dest node a duplex network interface

    Interface src_iface=new DuplexInterface(new IPAddr(192,168,1,10));
    src.attach(src_iface);

    Interface dest_iface=new DuplexInterface(new IPAddr(128,116,11,20));
    dest.attach(dest_iface);

    sim.attach(src_iface);
    sim.attach(dest_iface);


    // The router needs two duplex interfaces, for obvious reasons

    Interface route_iface192=new DuplexInterface(new IPAddr(192,168,1,1));
    Interface route_iface128=new DuplexInterface(new IPAddr(128,116,11,1));
    router.attach(route_iface192);
    router.attach(route_iface128);

    sim.attach(route_iface192);
    sim.attach(route_iface128);
    
    sim.dump();
  }

}