/*
* 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.directory.server.ntp.protocol;
import org.apache.directory.server.ntp.NtpService;
import org.apache.directory.server.ntp.messages.NtpMessage;
import org.apache.directory.server.ntp.service.NtpServiceImpl;
import org.apache.mina.core.service.IoHandlerAdapter;
import org.apache.mina.core.session.IoSession;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* The NTP protocol handler. It implements the {@link org.apache.mina.core.service.IoHandler#messageReceived} method,
* which returns the NTP reply. The {@link org.apache.mina.core.service.IoHandler#exceptionCaught} is also implemented,
* all the other methods are handled by the {@link IoHandlerAdapter} class.<br/>
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
public class NtpProtocolHandler extends IoHandlerAdapter
{
/** the log for this class */
private static final Logger log = LoggerFactory.getLogger( NtpProtocolHandler.class );
/** The NtpService instance */
private NtpService ntpService = new NtpServiceImpl();
/**
* {@inheritDoc}
*/
public void exceptionCaught( IoSession session, Throwable cause )
{
log.error( session.getRemoteAddress() + " EXCEPTION", cause );
session.close( true );
}
/**
* {@inheritDoc}
*/
public void messageReceived( IoSession session, Object message )
{
if ( log.isDebugEnabled() )
{
log.debug( "{} RCVD: {}", session.getRemoteAddress(), message );
}
NtpMessage reply = ntpService.getReplyFor( ( NtpMessage ) message );
session.write( reply );
}
}