simnettest.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 planet.commonapi.Network;
import planet.generic.commonapi.GenericApp;
import planet.generic.commonapi.factory.GenericFactory;
import planet.symphony.SymphonyProperties;
import planet.symphony.messages.NeighbourMessagePool;
import planet.util.Properties; 
/**
 * This example shows how to build a simple Network, without registered Application's 
 * on to the nodes. Can be used the Chord or Symphony overlays implementation.
 *
 * @author <a href="mailto: [e-mail]">Ruben Mondejar</a>
 * @author <a href="mailto: [e-mail]">Jordi Pujol</a>
 * 14-jul-2005
 */ 
public class SimNetTest {

	/**
	 * This example shows how to build a simple Network, without registered Application's 
	 * on to the nodes.
	 * @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.SIMNETTEST,false,false,false,false);
		
		long t1,t2,t3,t4;  
		
		//actual millis
		t1 = System.currentTimeMillis();
		Network net = GenericFactory.buildNetwork();
		t2 = System.currentTimeMillis();
		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();
		int steps2 = net.stabilize();
		t4 = System.currentTimeMillis();
        
		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()+"]");

        //only print out under Symphony overlay
        if (Properties.overlayPropertiesInstance instanceof SymphonyProperties)
            System.out.println("NeighbourMessages: Created["+NeighbourMessagePool.createdMessages+"], reused["+NeighbourMessagePool.reusedMessages+"], free["+NeighbourMessagePool.freeMessages+"]");
        
        //prints or not whole network, depending on current configuration
        GenericApp.printNetwork(net);
	}
}