simtest.java

p2p仿真器。开发者可以工作在覆盖层中进行创造和测试逻辑算法或者创建和测试新的服务。PlanetSim还可以将仿真代码平稳转换为在Internet上的实验代码

package planet.test;

import java.util.Vector;

import planet.commonapi.Network;
import planet.generic.commonapi.GenericApp;
import planet.generic.commonapi.factory.GenericFactory;
import planet.generic.commonapi.factory.Topology;
import planet.simulate.EventParser;
import planet.simulate.NetworkSimulator;
import planet.simulate.Scheduler;
import planet.util.Properties;

/**
 * This test use an event file in the "bin/data" directory, specified into
 * the current configuration. Shows the time elapsed for generating the network 
 * and its stabilization. 
 * @author <a href="mailto:[e-mail]">Ruben Mondejar</a>
 * @author <a href="mailto:[e-mail]">Jordi Pujol</a>
 */ 
public class SimTest {

	/**
	 * Initialize the simulator context and run the test.
	 * @param args Nothing.
	 * @throws Exception
	 */
	public static void main(String[] args) throws Exception {
		//init context
	    //arguments: properties file, application level, events, results, serialization
        GenericApp.start("../conf/master.properties",TestNames.SIMTEST,false,true,false,false);
        
        //ensure network size to 0 to be able to add events
        Properties.factoriesNetworkSize = 0;
        Properties.factoriesNetworkTopology = Topology.RANDOM;
        GenericApp.restart(false,true,false,false);
		
		//load events
		Vector events = EventParser.parseEvents(Properties.simulatorEventFile);
		Scheduler timer = new Scheduler();
		timer.addEvents(events);
			
		long t1,t2,t3,t4;
		
		//actual millis
		t1 = System.currentTimeMillis();
		NetworkSimulator sim = new NetworkSimulator(timer);
		t2 = System.currentTimeMillis();
		Network net = sim.getInternalNetwork();
		int steps = net.getSimulatedSteps();
		System.out.println("Network creation time ["+GenericApp.timeElapsedInSeconds(t1,t2)+"] seconds for ["+net.size()+"] nodes with ["+steps+"] steps.");
		
		//stabilization
		t3 = System.currentTimeMillis();
		sim.stabilize();
		t4 = System.currentTimeMillis();
		int steps2 = net.getSimulatedSteps();
		System.out.println("Simulation time ["+GenericApp.timeElapsedInSeconds(t3,t4)+"] seconds for ["+net.size()+"] nodes with ["+(steps2-steps)+"] steps.");
		System.out.println("Total time ["+GenericApp.timeElapsedInSeconds(t1,t4)+"] seconds for ["+net.size()+"] nodes with ["+steps2+"] steps.");
        System.out.println("RouteMessages: Created["+GenericFactory.getBuiltRouteMessages()+"], reused["+GenericFactory.getReusedRouteMessages()+"], free["+GenericFactory.getFreeRouteMessages()+"]");
        GenericApp.printNetwork(net);
	}
}