2 * ============LICENSE_START========================================================================
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3 * ONAP : tr-069-adapter
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4 * =================================================================================================
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5 * Copyright (C) 2020 CommScope Inc Intellectual Property.
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6 * =================================================================================================
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7 * This tr-069-adapter software file is distributed by CommScope Inc under the Apache License,
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8 * Version 2.0 (the "License"); you may not use this file except in compliance with the License. You
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9 * may obtain a copy of the License at
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11 * http://www.apache.org/licenses/LICENSE-2.0
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13 * This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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14 * either express or implied. See the License for the specific language governing permissions and
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15 * limitations under the License.
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16 * ===============LICENSE_END=======================================================================
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19 package org.commscope.tr069adapter.acs.requestprocessor.impl;
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21 import com.fasterxml.uuid.EthernetAddress;
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22 import com.fasterxml.uuid.Generators;
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23 import com.fasterxml.uuid.impl.TimeBasedGenerator;
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25 import java.util.Optional;
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26 import java.util.UUID;
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28 import org.commscope.tr069adapter.acs.common.exception.SessionConcurrentAccessException;
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29 import org.commscope.tr069adapter.acs.common.exception.SessionManagerException;
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30 import org.commscope.tr069adapter.acs.common.utils.ErrorCode;
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31 import org.commscope.tr069adapter.acs.requestprocessor.dao.SessionRepository;
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32 import org.commscope.tr069adapter.acs.requestprocessor.dto.SessionDTO;
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33 import org.commscope.tr069adapter.acs.requestprocessor.dto.SessionState;
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34 import org.commscope.tr069adapter.acs.requestprocessor.entity.SessionManagerEntity;
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35 import org.commscope.tr069adapter.acs.requestprocessor.util.SessionManagerUtility;
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36 import org.slf4j.Logger;
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37 import org.slf4j.LoggerFactory;
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38 import org.springframework.beans.factory.annotation.Autowired;
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39 import org.springframework.stereotype.Component;
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42 public class SessionManager {
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44 private static final Logger logger = LoggerFactory.getLogger(SessionManager.class);
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47 SessionRepository sessionRepository;
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52 * @throws SessionManagerException
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54 public SessionDTO getSession(String deviceId) {
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55 SessionManagerEntity session = null;
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56 Optional<SessionManagerEntity> optionalSessionData = sessionRepository.findById(deviceId);
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57 if (optionalSessionData.isPresent()) {
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58 session = optionalSessionData.get();
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60 return SessionManagerUtility.convertToDTO(session);
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66 * @throws SessionManagerException
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68 public SessionDTO getSessionBySessionId(String sessionId) throws SessionManagerException {
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70 SessionManagerEntity sessionManagerEntity = sessionRepository.findBySessionId(sessionId);
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71 if (sessionManagerEntity == null || SessionState.TERMINATED
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72 .equals(SessionState.getByValue(sessionManagerEntity.getState()))) {
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73 throw new SessionManagerException(ErrorCode.SESSION_EXPIRED, sessionId);
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75 return SessionManagerUtility.convertToDTO(sessionManagerEntity);
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81 * @throws SessionManagerException
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83 public SessionDTO createSession(SessionDTO session) throws SessionManagerException {
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84 if (session == null) {
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85 SessionManagerException sme = new SessionManagerException(ErrorCode.SESSION_CREATION_ERROR,
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86 "Session object cannot be null");
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87 logger.error(sme.getMessage());
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90 logger.debug("Creating a new session for the device");
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91 return SessionManagerUtility
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92 .convertToDTO(sessionRepository.save(SessionManagerUtility.convertToEntity(session)));
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98 * @throws SessionManagerException
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100 public SessionDTO updateSession(SessionDTO dto) {
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101 return SessionManagerUtility
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102 .convertToDTO(sessionRepository.save(SessionManagerUtility.convertToEntity(dto)));
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107 * @throws SessionConcurrentAccessException
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109 public void deleteSession(String deviceId) {
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110 sessionRepository.deleteById(deviceId);
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116 * @throws SessionManagerException
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118 public SessionDTO getLockedSession(String deviceId) {
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119 logger.debug("Acquiring the session lock for the device");
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120 return SessionManagerUtility.convertToDTO(sessionRepository.findByDeviceId(deviceId));
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126 public String generateUniqueSessionID() {
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127 EthernetAddress addr = EthernetAddress.fromInterface();
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128 TimeBasedGenerator uuidGenerator = Generators.timeBasedGenerator(addr);
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129 UUID uuid = uuidGenerator.generate();
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130 return uuid.toString();
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