ClientMain.java

import java.io.File;
import java.io.IOException;
import java.util.Random;

public class ClientMain {
	
	public static void main(String[] args) throws Exception {
		
		final int cport = Integer.parseInt(args[0]);
		int timeout = Integer.parseInt(args[1]);
			
		File downloadFolder = new File("downloads");
		if (!downloadFolder.exists())
			if (!downloadFolder.mkdir()) throw new RuntimeException("Cannot create download folder (folder absolute path: " + downloadFolder.getAbsolutePath() + ")");
		
		File uploadFolder = new File("to_store");
		if (!uploadFolder.exists())
			throw new RuntimeException("to_store folder does not exist");
		
		// testClient(cport, timeout, downloadFolder);
		
		// example to launch a number of concurrent clients, each doing the same operations
		for (int i = 0; i < 10; i++) {
			new Thread() {
				public void run() {
					test2Client(cport, timeout, downloadFolder, uploadFolder);
				}
			}.start();
		}
	}
	
	public static void test2Client(int cport, int timeout, File downloadFolder, File uploadFolder) {
		Client client = null;
		
		try {
			client = new Client(cport, timeout, Logger.LoggingType.ON_FILE_AND_TERMINAL);
			client.connect();
			Random random = new Random(System.currentTimeMillis() * System.nanoTime());
			
			File fileList[] = uploadFolder.listFiles();
			for (int i=0; i<fileList.length/2; i++) {
				File fileToStore = fileList[random.nextInt(fileList.length)];
				try {					
					client.store(fileToStore);
				} catch (Exception e) {
					System.out.println("Error storing file " + fileToStore);
					e.printStackTrace();
				}
			}
			
			String list[] = null;
			try { list = list(client); } catch(IOException e) { e.printStackTrace(); }
			
			for (int i = 0; i < list.length/4; i++) {
				String fileToRemove = list[random.nextInt(list.length)];
				try {
					client.remove(fileToRemove);
				} catch (Exception e) {
					System.out.println("Error remove file " + fileToRemove);
					e.printStackTrace();
				}
			}
			
			try { list = list(client); } catch(IOException e) { e.printStackTrace(); }
			
		} catch(IOException e) {
			e.printStackTrace();
		} finally {
			if (client != null)
				try { client.disconnect(); } catch(Exception e) { e.printStackTrace(); }