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/*******************************************************************************
* ============LICENSE_START=======================================================
* son-handler
* ================================================================================
* Copyright (C) 2019-2022 Wipro Limited.
* ==============================================================================
* Licensed 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.
* ============LICENSE_END=========================================================
*
*******************************************************************************/
package org.onap.dcaegen2.services.sonhms.child;
import com.fasterxml.jackson.annotation.JsonInclude.Include;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import fj.data.Either;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.UUID;
import org.onap.dcaegen2.services.sonhms.ConfigPolicy;
import org.onap.dcaegen2.services.sonhms.Configuration;
import org.onap.dcaegen2.services.sonhms.exceptions.CpsNotFoundException;
import org.onap.dcaegen2.services.sonhms.HoMetricsComponent;
import org.onap.dcaegen2.services.sonhms.dao.SonRequestsRepository;
import org.onap.dcaegen2.services.sonhms.dmaap.PolicyDmaapClient;
import org.onap.dcaegen2.services.sonhms.entity.SonRequests;
import org.onap.dcaegen2.services.sonhms.exceptions.ConfigDbNotFoundException;
import org.onap.dcaegen2.services.sonhms.model.CellConfig;
import org.onap.dcaegen2.services.sonhms.model.CellPciPair;
import org.onap.dcaegen2.services.sonhms.model.Common;
import org.onap.dcaegen2.services.sonhms.model.Configurations;
import org.onap.dcaegen2.services.sonhms.model.Data;
import org.onap.dcaegen2.services.sonhms.model.FapService;
import org.onap.dcaegen2.services.sonhms.model.HoDetails;
import org.onap.dcaegen2.services.sonhms.model.Lte;
import org.onap.dcaegen2.services.sonhms.model.LteCell;
import org.onap.dcaegen2.services.sonhms.model.NeighborListInUse;
import org.onap.dcaegen2.services.sonhms.model.Payload;
import org.onap.dcaegen2.services.sonhms.model.PolicyNotification;
import org.onap.dcaegen2.services.sonhms.model.Ran;
import org.onap.dcaegen2.services.sonhms.model.X0005b9Lte;
import org.onap.dcaegen2.services.sonhms.restclient.AsyncResponseBody;
import org.onap.dcaegen2.services.sonhms.restclient.SdnrRestClient;
import org.onap.dcaegen2.services.sonhms.restclient.ConfigurationClient;
import org.onap.dcaegen2.services.sonhms.restclient.Solutions;
import org.onap.dcaegen2.services.sonhms.utils.BeanUtil;
import org.slf4j.Logger;
public class ChildThreadUtils {
private static final Logger log = org.slf4j.LoggerFactory.getLogger(ChildThreadUtils.class);
private ConfigPolicy configPolicy;
private PnfUtils pnfUtils;
private PolicyDmaapClient policyDmaapClient;
private HoMetricsComponent hoMetricsComponent;
Configuration configuration = Configuration.getInstance();
/**
* Parameterized constructor.
*/
public ChildThreadUtils(ConfigPolicy configPolicy, PnfUtils pnfUtils, PolicyDmaapClient policyDmaapClient,
HoMetricsComponent hoMetricsComponent) {
this.configPolicy = configPolicy;
this.pnfUtils = pnfUtils;
this.policyDmaapClient = policyDmaapClient;
this.hoMetricsComponent = hoMetricsComponent;
}
/**
* Save request.
*/
public void saveRequest(String transactionId, long childThreadId) {
SonRequestsRepository sonRequestsRepository = BeanUtil.getBean(SonRequestsRepository.class);
SonRequests sonRequest = new SonRequests();
sonRequest.setTransactionId(transactionId);
sonRequest.setChildThreadId(childThreadId);
sonRequestsRepository.save(sonRequest);
}
/**
* Determines whether to trigger Oof or wait for notifications.
*/
public Boolean triggerOrWait(Map<String, ArrayList<Integer>> collisionConfusionResult) {
// determine collision or confusion
int collisionSum = 0;
int confusionSum = 0;
for (Map.Entry<String, ArrayList<Integer>> entry : collisionConfusionResult.entrySet()) {
ArrayList<Integer> arr;
arr = entry.getValue();
// check for 0 collision and confusion
if (!arr.isEmpty()) {
collisionSum = collisionSum + arr.get(0);
confusionSum = confusionSum + arr.get(1);
}
}
return ((collisionSum >= configuration.getMinCollision()) && (confusionSum >= configuration.getMinConfusion()));
}
/**
* get policy notification string from oof result.
*
*/
public String getNotificationString(String pnfName, String requestId, String payloadString, Long alarmStartTime,
String action) {
String closedLoopControlName = "";
String policyName = "";
if (action.equals("ModifyO1Config")) {
closedLoopControlName = "ControlLoop-SONO1-fb41f388-a5f2-11e8-98d0-529269fb1459";
policyName = "SONO1";
try {
closedLoopControlName = (String) configPolicy.getConfig().get("PCI_MODCONFIG_POLICY_NAME");
} catch (NullPointerException e) {
log.error("Config policy not found, Using default");
}
}
else {
closedLoopControlName = "ControlLoop-SONA1-7d4baf04-8875-4d1f-946d-06b874048b61";
policyName = "SONA1";
try {
closedLoopControlName = (String) configPolicy.getConfig().get("PCI_MODCONFIGANR_POLICY_NAME");
} catch (NullPointerException e) {
log.error("Config policy not found, Using default");
}
}
PolicyNotification policyNotification = new PolicyNotification(closedLoopControlName, requestId, alarmStartTime,
pnfName, action, policyName);
policyNotification.setClosedLoopControlName(closedLoopControlName);
policyNotification.setPayload(payloadString);
policyNotification.setPolicyName(policyName);
ObjectMapper mapper = new ObjectMapper();
mapper.setSerializationInclusion(Include.NON_NULL);
String notification = "";
try {
notification = mapper.writeValueAsString(policyNotification);
} catch (JsonProcessingException e1) {
log.debug("JSON processing exception: {}", e1);
}
return notification;
}
/**
* Sends Dmaap notification to Policy.
*
* @throws ConfigDbNotFoundException
* when config db is unreachable
*/
public Boolean sendToPolicy(AsyncResponseBody async) throws ConfigDbNotFoundException, CpsNotFoundException {
if (log.isDebugEnabled()) {
log.debug(async.toString());
}
Solutions solutions;
solutions = async.getSolutions();
if (!solutions.getPciSolutions().isEmpty()) {
Map<String, List<CellPciPair>> pnfs = pnfUtils.getPnfs(solutions);
for (Map.Entry<String, List<CellPciPair>> entry : pnfs.entrySet()) {
String pnfName = entry.getKey();
List<CellPciPair> cellPciPairs = entry.getValue();
ArrayList<Configurations> configurations = new ArrayList<>();
for (CellPciPair cellPciPair : cellPciPairs) {
String cellId = cellPciPair.getCellId();
int pci = cellPciPair.getPhysicalCellId();
Configurations configuration = new Configurations(new Data(new FapService(cellId,
new X0005b9Lte(pci, pnfName), new CellConfig(new Lte(new Ran(new Common(cellId), null))))),
null);
configurations.add(configuration);
}
Payload payload = new Payload(configurations);
ObjectMapper mapper = new ObjectMapper();
mapper.setSerializationInclusion(Include.NON_NULL);
String payloadString = "";
try {
payloadString = mapper.writeValueAsString(payload);
} catch (JsonProcessingException e) {
log.debug("JSON processing exception: {}", e);
}
String requestId = UUID.randomUUID().toString();
String notification = getNotificationString(pnfName, requestId, payloadString,
System.currentTimeMillis(), "ModifyO1Config");
log.info("Policy Notification: {}", notification);
boolean status = policyDmaapClient.sendNotificationToPolicy(notification);
log.debug("sent Message: {}", status);
if (status) {
log.debug("Message sent to policy");
} else {
log.debug("Sending notification to policy failed");
}
}
}
if (!solutions.getAnrSolutions().isEmpty()) {
Map<String, List<Map<String, List<String>>>> anrPnfs;
List<Configurations> configurations = new ArrayList<>();
anrPnfs = pnfUtils.getPnfsForAnrSolutions(solutions.getAnrSolutions());
for (Map.Entry<String, List<Map<String, List<String>>>> entry : anrPnfs.entrySet()) {
String pnfName = entry.getKey();
for (Map<String, List<String>> cellRemNeighborsPair : anrPnfs.get(pnfName)) {
for (Map.Entry<String, List<String>> entry1 : cellRemNeighborsPair.entrySet()) {
String cellId = entry1.getKey();
List<LteCell> lteCellList = new ArrayList<>();
for (String removeableNeighbor : entry1.getValue()) {
LteCell lteCell = new LteCell();
lteCell.setBlacklisted("true");
lteCell.setPlmnId(solutions.getNetworkId());
lteCell.setCid(removeableNeighbor);
int pci = configuration.getConfigurationClient().getPci(cellId);
lteCell.setPhyCellId(pci);
lteCell.setPnfName(pnfName);
lteCellList.add(lteCell);
}
Configurations configuration = new Configurations(new Data(new FapService(cellId, null,
new CellConfig(new Lte(new Ran(new Common(cellId), new NeighborListInUse(null,
lteCellList, String.valueOf(lteCellList.size()))))))),
null);
configurations.add(configuration);
Either<List<HoDetails>, Integer> hoMetrics = hoMetricsComponent.getHoMetrics(cellId);
if (hoMetrics.isLeft()) {
List<HoDetails> hoDetailsList = hoMetrics.left().value();
for (LteCell lteCell : lteCellList) {
String removedNbr = lteCell.getCid();
for (HoDetails hoDetail : hoDetailsList) {
if (removedNbr.equals(hoDetail.getDstCellId())) {
hoDetailsList.remove(hoDetail);
break;
}
}
}
String hoDetailsString = null;
ObjectMapper mapper = new ObjectMapper();
try {
hoDetailsString = mapper.writeValueAsString(hoDetailsList);
} catch (Exception e) {
log.error("Error in writing handover metrics json ", e);
return false;
}
hoMetricsComponent.update(hoDetailsString, cellId);
}
}
Payload payload = new Payload(configurations);
ObjectMapper mapper = new ObjectMapper();
mapper.setSerializationInclusion(Include.NON_NULL);
String payloadString = null;
try {
payloadString = mapper.writeValueAsString(payload);
} catch (JsonProcessingException e) {
log.error("Exception in writing anrupdate string", e);
}
String requestId = UUID.randomUUID().toString();
String notification = getNotificationString(pnfName, requestId, payloadString,
System.currentTimeMillis(), "ModifyA1Policy");
log.info("Policy Notification: {}", notification);
Boolean result = policyDmaapClient.sendNotificationToPolicy(notification);
log.info("send notification to policy result {} ", result);
}
}
}
return true;
}
}
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