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/*******************************************************************************
* ============LICENSE_START=======================================================
* son-handler
* ================================================================================
* Copyright (C) 2019 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 java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.UUID;
import java.util.concurrent.BlockingQueue;
import org.onap.dcaegen2.services.sonhms.ConfigPolicy;
import org.onap.dcaegen2.services.sonhms.Configuration;
import org.onap.dcaegen2.services.sonhms.dao.SonRequestsRepository;
import org.onap.dcaegen2.services.sonhms.dmaap.PolicyDmaapClient;
import org.onap.dcaegen2.services.sonhms.entity.PciRequests;
import org.onap.dcaegen2.services.sonhms.exceptions.ConfigDbNotFoundException;
import org.onap.dcaegen2.services.sonhms.exceptions.OofNotFoundException;
import org.onap.dcaegen2.services.sonhms.model.CellPciPair;
import org.onap.dcaegen2.services.sonhms.restclient.AsyncResponseBody;
import org.onap.dcaegen2.services.sonhms.restclient.OofRestClient;
import org.onap.dcaegen2.services.sonhms.restclient.Solution;
import org.onap.dcaegen2.services.sonhms.utils.BeanUtil;
import org.slf4j.Logger;
public class StateOof {
private static final Logger log = org.slf4j.LoggerFactory.getLogger(StateOof.class);
private BlockingQueue<List<String>> childStatusUpdate;
public StateOof() {
}
/**
* Parameterized Constructor.
*
*/
public StateOof(BlockingQueue<List<String>> childStatusUpdate) {
super();
this.childStatusUpdate = childStatusUpdate;
}
/**
* Triggers OOF.
* @throws OofNotFoundException when trigger oof fails
*/
public void triggerOof(Map<String, ArrayList<Integer>> result,
String networkId) throws OofNotFoundException, InterruptedException {
// check for 0 collision and 0 confusion
ArrayList<String> cellidList = new ArrayList<>();
ArrayList<String> cellIds = new ArrayList<>();
for (Map.Entry<String, ArrayList<Integer>> entry : result.entrySet()) {
String key = entry.getKey();
ArrayList<Integer> arr;
arr = entry.getValue();
if (!arr.isEmpty()) {
Set<Integer> set = new HashSet<>(arr);
if (((set.size() == 1) && !set.contains(0)) || (set.size() != 1)) {
cellIds.add(key);
}
}
}
for (String cell : cellIds) {
log.debug("cellidList entries: {}", cell);
cellidList.add(cell);
}
log.debug("the cells triggering the oof are {}", cellidList);
UUID transactionId = UUID.randomUUID();
Configuration config = Configuration.getInstance();
int numSolutions = config.getNumSolutions();
List<String> optimizers = config.getOptimizers();
String oofResponse = OofRestClient.queryOof(numSolutions, transactionId.toString(), "create", cellidList,
networkId, optimizers);
log.debug("Synchronous Response {}", oofResponse);
List<String> childStatus = new ArrayList<>();
childStatus.add(Long.toString(Thread.currentThread().getId()));
childStatus.add("triggeredOof");
try {
childStatusUpdate.put(childStatus);
} catch (InterruptedException e1) {
log.debug("Interrupted execption {}", e1);
Thread.currentThread().interrupt();
}
// Store Request details in Database
PciRequests pciRequest = new PciRequests();
long childThreadId = Thread.currentThread().getId();
pciRequest.setTransactionId(transactionId.toString());
pciRequest.setChildThreadId(childThreadId);
SonRequestsRepository pciRequestsRepository = BeanUtil.getBean(SonRequestsRepository.class);
pciRequestsRepository.save(pciRequest);
while (!ChildThread.getResponseMap().containsKey(childThreadId)) {
Thread.sleep(100);
}
AsyncResponseBody asynResponseBody = ChildThread.getResponseMap().get(childThreadId);
try {
sendToPolicy(asynResponseBody);
} catch (ConfigDbNotFoundException e1) {
log.debug("Config DB is unreachable: {}", e1);
}
pciRequestsRepository = BeanUtil.getBean(SonRequestsRepository.class);
pciRequestsRepository.deleteByChildThreadId(childThreadId);
childStatus = new ArrayList<>();
childStatus.add(Long.toString(Thread.currentThread().getId()));
childStatus.add("success");
try {
childStatusUpdate.put(childStatus);
} catch (InterruptedException e) {
log.debug("InterruptedException {}", e);
Thread.currentThread().interrupt();
}
}
/**
* Sends Dmaap notification to Policy.
*
* @throws ConfigDbNotFoundException
* when config db is unreachable
*/
private void sendToPolicy(AsyncResponseBody async) throws ConfigDbNotFoundException {
if (log.isDebugEnabled()) {
log.debug(async.toString());
}
List<Solution> solutions;
solutions = async.getSolutions();
PnfUtils pnfUtils = new PnfUtils();
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();
ChildThreadUtils childThreadUtils = new ChildThreadUtils(ConfigPolicy.getInstance());
String notification = childThreadUtils.getNotificationString(pnfName, cellPciPairs,
UUID.randomUUID().toString(), System.currentTimeMillis());
log.debug("Policy Notification: {}", notification);
PolicyDmaapClient policy = new PolicyDmaapClient();
boolean status = policy.sendNotificationToPolicy(notification);
log.debug("sent Message: {}", status);
if (status) {
log.debug("Message sent to policy");
} else {
log.debug("Sending notification to policy failed");
}
}
}
}
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