/*
* 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.
*
*/
package org.apache.mina.monitoring;
import java.net.InetSocketAddress;
import java.net.SocketAddress;
import java.nio.ByteBuffer;
import org.apache.mina.api.AbstractIoFilter;
import org.apache.mina.api.AbstractIoHandler;
import org.apache.mina.api.IdleStatus;
import org.apache.mina.api.IoSession;
import org.apache.mina.filter.logging.LoggingFilter;
import org.apache.mina.filterchain.ReadFilterChainController;
import org.apache.mina.filterchain.WriteFilterChainController;
import org.apache.mina.session.WriteRequest;
import org.apache.mina.transport.nio.NioTcpServer;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.codahale.metrics.JmxReporter;
import com.codahale.metrics.MetricRegistry;
/**
*
*/
public class NioTcpEchoServerWithMonitoring extends NioTcpServer {
static final Logger LOG = LoggerFactory.getLogger(NioTcpEchoServerWithMonitoring.class);
/** The server logger filter */
public final class TcpEchoFilter extends AbstractIoFilter {
@Override
public void sessionOpened(final IoSession session) {
LOG.info("session {} opened", session);
super.sessionOpened(session);
}
@Override
public void sessionIdle(IoSession session, IdleStatus status) {
LOG.info("session {} idle", session);
super.sessionIdle(session, status);
}
@Override
public void sessionClosed(IoSession session) {
LOG.info("session {} closed", session);
super.sessionClosed(session);
}
@Override
public void messageWriting(IoSession session, WriteRequest message, WriteFilterChainController controller) {
// we just push the message in the chain
super.messageWriting(session, message, controller);
}
@Override
public void messageReceived(IoSession session, Object message, ReadFilterChainController controller) {
if (message instanceof ByteBuffer) {
LOG.info("echoing");
session.write(message);
}
super.messageReceived(session, message, controller);
}
@Override
public void messageSent(IoSession session, Object message) {
LOG.info("message {} sent", message);
super.messageSent(session, message);
}
}
public static void main(String[] args) {
LOG.info("starting echo server");
NioTcpServer server = new NioTcpServer();
MetricRegistry metrics = new MetricRegistry();
JmxReporter reporter = JmxReporter.forRegistry(metrics).build();
reporter.start();
server.getSessionConfig().setIdleTimeInMillis(IdleStatus.READ_IDLE, 60 * 600 * 1000);
server.getSessionConfig().setIdleTimeInMillis(IdleStatus.WRITE_IDLE, 60 * 600 * 1000);
// create the filter chain for this service
server.setFilters(new MonitoringFilter(metrics), new LoggingFilter("LoggingFilter1"),
((NioTcpEchoServerWithMonitoring) server).new TcpEchoFilter());
server.setIoHandler(new AbstractIoHandler() {
@Override
public void sessionOpened(final IoSession session) {
LOG.info("session opened {}", session);
final String welcomeStr = "welcome\n";
final ByteBuffer bf = ByteBuffer.allocate(welcomeStr.length());
bf.put(welcomeStr.getBytes());
bf.flip();
session.write(bf);
}
@Override
public void exceptionCaught(IoSession session, Exception cause) {
cause.printStackTrace();
}
});
try {
final SocketAddress address = new InetSocketAddress(51000);
server.bind(address);
LOG.debug("Running the server for 25 sec");
Thread.sleep(25000 * 1000);
LOG.debug("Unbinding the UDP port");
server.unbind();
} catch (final InterruptedException e) {
LOG.error("Interrupted exception", e);
} finally {
reporter.stop();
}
}
}