/*
* 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.service;
import org.apache.directory.server.ntp.NtpService;
import org.apache.directory.server.ntp.messages.LeapIndicatorType;
import org.apache.directory.server.ntp.messages.ModeType;
import org.apache.directory.server.ntp.messages.NtpMessage;
import org.apache.directory.server.ntp.messages.NtpMessageModifier;
import org.apache.directory.server.ntp.messages.NtpTimeStamp;
import org.apache.directory.server.ntp.messages.ReferenceIdentifier;
import org.apache.directory.server.ntp.messages.StratumType;
/**
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
public class NtpServiceImpl implements NtpService
{
public NtpMessage getReplyFor( NtpMessage request )
{
NtpMessageModifier modifier = new NtpMessageModifier();
modifier.setLeapIndicator( LeapIndicatorType.NO_WARNING );
modifier.setVersionNumber( 4 );
modifier.setMode( ModeType.SERVER );
modifier.setStratum( StratumType.PRIMARY_REFERENCE );
modifier.setPollInterval( ( byte ) 0x04 );
modifier.setPrecision( ( byte ) 0xFA );
modifier.setRootDelay( 0 );
modifier.setRootDispersion( 0 );
modifier.setReferenceIdentifier( ReferenceIdentifier.LOCL );
NtpTimeStamp now = new NtpTimeStamp();
modifier.setReferenceTimestamp( now );
modifier.setOriginateTimestamp( request.getTransmitTimestamp() );
modifier.setReceiveTimestamp( request.getReceiveTimestamp() );
modifier.setTransmitTimestamp( now );
return modifier.getNtpMessage();
}
}