Test.java

/**
Copyright (c) 2007-2013 Alysson Bessani, Eduardo Alchieri, Paulo Sousa, and the authors indicated in the @author tags

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package bftsmart.communication.server;

import java.util.concurrent.LinkedBlockingQueue;

import bftsmart.communication.SystemMessage;
import bftsmart.reconfiguration.ServerViewController;
import bftsmart.tom.core.messages.TOMMessage;
import bftsmart.tom.util.Storage;

public class Test {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) throws Exception {

        //******* EDUARDO BEGIN **************//
        ServerViewController controller = new ServerViewController(Integer.parseInt(args[0]));
        LinkedBlockingQueue<SystemMessage> inQueue = new LinkedBlockingQueue<SystemMessage>();
        ServersCommunicationLayer scl = new ServersCommunicationLayer(controller, inQueue,null);

        int id = controller.getStaticConf().getProcessId();
        int n = controller.getCurrentViewN();
        //******* EDUARDO END **************//


        int[] targets = new int[n-1];

        System.out.println("n = "+n);

        for (int i=1; i<n; i++) {
            targets[i-1] = i;
        }

        int iteractions = Integer.parseInt(args[1]);

        int warmup = iteractions/2;
        int test = iteractions/2;

        for(int i=0; i<warmup; i++) {
            String msg = "m"+i;

            //System.out.println("sending "+msg);

            if(id == 0) {
                long time = System.nanoTime();

                scl.send(targets, new TOMMessage(id,0,i,msg.getBytes(),0), true);
                int rec = 0;

                while(rec < n-1) {
                    inQueue.take();
                    rec++;
                }

                //System.out.println();
                System.out.println("Roundtrip "+((System.nanoTime()-time)/1000.0)+" us");
            } else {
                TOMMessage m = (TOMMessage) inQueue.take();
                scl.send(new int[]{m.getSender()}, new TOMMessage(id,0,i,m.getContent(),0), true);
            }
        }

        System.out.println("Beginning the real test with "+test+" roundtrips");
        Storage st = new Storage(test);

        for(int i=0; i<test; i++) {
            String msg = "m"+i;
            if(id == 0) {
                long time = System.nanoTime();

                scl.send(targets, new TOMMessage(id,0,i,msg.getBytes(),0), true);
                int rec = 0;

                while(rec < n-1) {
                    inQueue.take();
                    rec++;
                }

                st.store(System.nanoTime()-time);
            } else {
                TOMMessage m = (TOMMessage) inQueue.take();
                scl.send(new int[]{m.getSender()}, new TOMMessage(id,0,i,m.getContent(),0), true);
            }
        }

        System.out.println("Average time for "+test+" executions (-10%) = "+st.getAverage(true)/1000+ " us ");
        System.out.println("Standard desviation for "+test+" executions (-10%) = "+st.getDP(true)/1000 + " us ");
        System.out.println("Maximum time for "+test+" executions (-10%) = "+st.getMax(true)/1000+ " us ");
        System.out.println("Average time for "+test+" executions (all samples) = "+st.getAverage(false)/1000+ " us ");
        System.out.println("Standard desviation for "+test+" executions (all samples) = "+st.getDP(false)/1000 + " us ");
        System.out.println("Maximum time for "+test+" executions (all samples) = "+st.getMax(false)/1000+ " us ");

        //scl.shutdown();
    }
}