WinVMBenchmark.java

package se252.jan15.calvinandhobbes.project0;

import java.io.IOException;
import java.io.InputStream;
import java.net.InetSocketAddress;
import java.net.MalformedURLException;
import java.net.Proxy;
import java.net.URL;
import java.util.Random;

class Benchmark extends Thread {
	public static int count = 0;
	public static String[] cats = {"Dining", "Cafe", "Sports", "Library", "Hostels", "Mess"
		, "Guest%20Houses", "Staff%20Houses", "Deparments", "Shops", "Banks%20and%20ATMs", "Telephone%20Office"
		, "Amenities"};
	
	public Benchmark() {}
	
	private static synchronized void saveDiff(int microSec) {
		WinVMBenchmark.allDiffs[count++] = microSec;
	}
	
	public void run() {
		try {
			sleep(2000);
		} catch (InterruptedException e) {
			e.printStackTrace();
		}
		//Windows RDBMS
//		String url = "http://52.74.42.188:8081/project0/dataRDBMS?category="+cats[new Random().nextInt(13)];
		
		//SQS scalable
		String url = "http://ec2-52-74-81-189.ap-southeast-1.compute.amazonaws.com:8081/project0/dataProxy?category="+cats[new Random().nextInt(13)];
		
		//Only SDB
//		String url = "http://ec2-52-74-81-189.ap-southeast-1.compute.amazonaws.com:8081/project0/dataSDB?category="+cats[new Random().nextInt(13)];

		//Local Don't use this
//		String url = "http://10.16.240.89/project0/dataProxy?category="+cats[new Random().nextInt(13)];
		
		long start = System.nanoTime();
		getJSON(url);
		long diff = System.nanoTime() - start;
		int time = (int) (diff / 1000);
		saveDiff(time);
	}
	
	private static void getJSON(String url) {
		Proxy proxy = new Proxy(Proxy.Type.HTTP, new InetSocketAddress("proxy.iisc.ernet.in", 3128));
		InputStream is;
		try {
			is = new URL(url).openConnection(proxy).getInputStream();
            is.close();
		} catch (MalformedURLException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
}

public class WinVMBenchmark {
	public static int[] allDiffs;
	
	public static void main(String[] args) {
		int totalThreads = 100;
		Benchmark[] allThreads = new Benchmark[totalThreads];
		allDiffs = new int[totalThreads];
		for(int i = 0; i < totalThreads; i++) {
			allThreads[i] = new Benchmark();
			allDiffs[i] = 0;
		}
		System.out.println("Main:>>> Created "+totalThreads+" threads");
		for(int i = 0; i < totalThreads; i++) {
			allThreads[i].start();	
		}
		System.out.println("Main:>>> Started all threads");
		while(true) {
			if(Benchmark.count == totalThreads)
				break;
			else {
				try {
					System.out.print(Benchmark.count+",");
					Thread.sleep(2000);
				} catch (InterruptedException e) {
					e.printStackTrace();
				}
			}
		}
		System.out.println("\n\n\n");
		System.out.println("Main:>>> All threads processed");
		for(int i = 0; i < totalThreads; i++) {
			System.out.println(allDiffs[i]);
		}
	}
}