/*
* $HeadURL: http://svn.apache.org/repos/asf/jakarta/httpcomponents/httpcore/tags/4.0-alpha4/module-nio/src/examples/org/apache/http/examples/nio/ElementalEchoServer.java $
* $Revision: 520821 $
* $Date: 2007-03-21 10:43:08 +0100 (Wed, 21 Mar 2007) $
*
* ====================================================================
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.http.examples.nio;
import java.io.IOException;
import java.io.InterruptedIOException;
import java.net.InetSocketAddress;
import java.nio.ByteBuffer;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.impl.nio.reactor.DefaultListeningIOReactor;
import org.apache.http.nio.reactor.EventMask;
import org.apache.http.nio.reactor.IOEventDispatch;
import org.apache.http.nio.reactor.IOSession;
import org.apache.http.nio.reactor.ListeningIOReactor;
import org.apache.http.params.HttpParams;
public class ElementalEchoServer {
public static void main(String[] args) throws Exception {
HttpParams params = new BasicHttpParams();
IOEventDispatch ioEventDispatch = new DefaultIoEventDispatch();
ListeningIOReactor ioReactor = new DefaultListeningIOReactor(2, params);
ioReactor.listen(new InetSocketAddress(8080));
try {
ioReactor.execute(ioEventDispatch);
} catch (InterruptedIOException ex) {
System.err.println("Interrupted");
} catch (IOException e) {
System.err.println("I/O error: " + e.getMessage());
}
System.out.println("Shutdown");
}
static class DefaultIoEventDispatch implements IOEventDispatch {
private final ByteBuffer buffer = ByteBuffer.allocate(1024);
public void connected(IOSession session) {
System.out.println("connected");
session.setEventMask(EventMask.READ);
session.setSocketTimeout(20000);
}
public void inputReady(final IOSession session) {
System.out.println("readable");
try {
this.buffer.compact();
int bytesRead = session.channel().read(this.buffer);
if (this.buffer.position() > 0) {
session.setEventMask(EventMask.READ_WRITE);
}
System.out.println("Bytes read: " + bytesRead);
if (bytesRead == -1) {
session.close();
}
} catch (IOException ex) {
System.err.println("I/O error: " + ex.getMessage());
}
}
public void outputReady(final IOSession session) {
System.out.println("writeable");
try {
this.buffer.flip();
int bytesWritten = session.channel().write(this.buffer);
if (!this.buffer.hasRemaining()) {
session.setEventMask(EventMask.READ);
}
System.out.println("Bytes written: " + bytesWritten);
} catch (IOException ex) {
System.err.println("I/O error: " + ex.getMessage());
}
}
public void timeout(final IOSession session) {
System.out.println("timeout");
session.close();
}
public void disconnected(final IOSession session) {
System.out.println("disconnected");
}
}
}