/**
* Copyright (C) 2009-2012 Barchart, Inc. <http://www.barchart.com/>
*
* All rights reserved. Licensed under the OSI BSD License.
*
* http://www.opensource.org/licenses/bsd-license.php
*/
package bench.open_close;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.LinkedBlockingQueue;
import util.UnitHelp;
import ch.qos.logback.classic.Level;
import ch.qos.logback.classic.Logger;
import com.barchart.udt.ExceptionUDT;
import com.barchart.udt.SocketUDT;
import com.barchart.udt.StatusUDT;
import com.barchart.udt.TypeUDT;
public class BenchOpenClose extends SocketUDT {
public BenchOpenClose(final TypeUDT type) throws ExceptionUDT {
super(type);
}
static final int SIZE = 10 * 1024;
static final BlockingQueue<SocketUDT> //
queue = new LinkedBlockingQueue<SocketUDT>(SIZE);
static final ExecutorService service = Executors.newSingleThreadExecutor();
static final Runnable task = new Runnable() {
@Override
public void run() {
while (true) {
try {
final SocketUDT socket = queue.take();
socket.close();
UnitHelp.socketAwait(socket, StatusUDT.CLOSED);
} catch (final Exception e) {
log.error("", e);
}
}
}
};
public static void main(final String[] args) throws Exception {
final Logger logBack = (Logger) log;
logBack.setLevel(Level.INFO);
log.info("started");
service.execute(task);
long count = 0;
while (true) {
final SocketUDT socket = new SocketUDT(TypeUDT.STREAM);
socket.bind(UnitHelp.localSocketAddress());
UnitHelp.socketAwait(socket, StatusUDT.OPENED);
Thread.sleep(20);
queue.put(socket);
final Runtime runtime = Runtime.getRuntime();
if (count % 1000 == 0) {
runtime.gc();
final long totalMemory = runtime.totalMemory();
final long freeMemory = runtime.freeMemory();
final double ratio = (double) freeMemory / (double) totalMemory;
log.info("total={} free={} count={} free/total={}",
totalMemory, freeMemory, count, ratio);
}
count++;
}
}
}