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/**
* Copyright (c) 2004 - 2010 Eike Stepper (Berlin, Germany) and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Eike Stepper - initial API and implementation
*/
package org.eclipse.net4j.tests.apps;
import org.eclipse.net4j.util.io.IOUtil;
import java.io.IOException;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.Proxy;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.SocketAddress;
import java.nio.channels.Selector;
import java.nio.channels.spi.SelectorProvider;
import java.util.concurrent.CountDownLatch;
/**
* @author Eike Stepper
*/
public class Performance
{
public static void main(String[] args) throws Exception
{
testInetAddress();
testServerSocket();
// testRouter();
testSocket();
testSelector();
}
public static void testInetAddress() throws Exception
{
System.out.println(InetAddress.class.getName());
for (int i = 0; i < 2; i++)
{
long start = System.currentTimeMillis();
InetAddress inet = InetAddress.getByName("localhost"); //$NON-NLS-1$
inet.getHostAddress();
long duration = System.currentTimeMillis() - start;
System.out.println(duration);
}
}
public static void testServerSocket() throws IOException
{
System.out.println(ServerSocket.class.getName());
for (int i = 0; i < 2; i++)
{
long start = System.currentTimeMillis();
ServerSocket serverSocket = new ServerSocket(2036);
long duration = System.currentTimeMillis() - start;
System.out.println(duration);
serverSocket.close();
}
}
public static void testRouter() throws Exception
{
System.out.println(Socket.class.getName() + " (ROUTER)"); //$NON-NLS-1$
for (int i = 0; i < 2; i++)
{
final SocketAddress endpoint = new InetSocketAddress(InetAddress.getByName("192.168.1.1"), 80); //$NON-NLS-1$
Socket socket = new Socket(Proxy.NO_PROXY);
long start = System.currentTimeMillis();
socket.connect(endpoint);
long duration = System.currentTimeMillis() - start;
System.out.println(duration);
socket.close();
Thread.sleep(500);
}
}
public static void testSocket() throws Exception
{
System.out.println(Socket.class.getName() + " (LOOPBACK)"); //$NON-NLS-1$
for (int i = 0; i < 2; i++)
{
final SocketAddress endpoint = new InetSocketAddress(InetAddress.getByName("127.0.0.1"), 2036); //$NON-NLS-1$
final CountDownLatch latch = new CountDownLatch(1);
new Thread()
{
@Override
public void run()
{
try
{
ServerSocket serverSocket = new ServerSocket();
serverSocket.bind(endpoint);
latch.countDown();
Socket socket = serverSocket.accept();
socket.close();
serverSocket.close();
}
catch (IOException ex)
{
IOUtil.print(ex);
latch.countDown();
}
}
}.start();
latch.await();
Thread.sleep(500);
Socket socket = new Socket(Proxy.NO_PROXY);
long start = System.currentTimeMillis();
socket.connect(endpoint);
long duration = System.currentTimeMillis() - start;
System.out.println(duration);
socket.close();
Thread.sleep(500);
}
}
public static void testSelector() throws IOException
{
SelectorProvider provider = SelectorProvider.provider();
System.out.println(provider.getClass().getName());
for (int i = 0; i < 2; i++)
{
long start = System.currentTimeMillis();
Selector selector = provider.openSelector();
long duration = System.currentTimeMillis() - start;
System.out.println(duration);
selector.close();
}
}
}
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