| /* |
| * 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> |
| * @version $Rev$, $Date$ |
| */ |
| 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(); |
| } |
| } |