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/*******************************************************************************
* ============LICENSE_START=======================================================
* slice-analysis-ms
* ================================================================================
* Copyright (C) 2022 Huawei Canada 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.slice.analysis.ms.dmaap;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.onap.slice.analysis.ms.models.Configuration;
import org.onap.slice.analysis.ms.models.vesnotification.NotificationFields;
import org.onap.slice.analysis.ms.service.ccvpn.CCVPNPmDatastore;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import javax.annotation.PostConstruct;
import java.io.IOException;
/**
* Handles Notification on dmaap for ves notification events
*/
@Component
public class VesNotificationCallback implements NotificationCallback {
private Configuration configuration;
private String NOTIFICATIONFIELDS = "notificationFields";
private String EVENT = "event";
private String vesNotifChangeIdentifier;
private String vesNotfiChangeType;
@Autowired
CCVPNPmDatastore ccvpnPmDatastore;
private static Logger log = LoggerFactory.getLogger(VesNotificationCallback.class);
/**
* init ves callback; load configuration.
*/
@PostConstruct
public void init(){
configuration = Configuration.getInstance();
vesNotifChangeIdentifier = configuration.getVesNotifChangeIdentifier();
vesNotfiChangeType = configuration.getVesNotifChangeType();
}
/**
* Triggers on handleNofitication method
* @param msg incoming message
*/
@Override
public void activateCallBack(String msg) {
handleNotification(msg);
}
/**
* Parse Performance dmaap notification and save to DB
* @param msg incoming message
*/
private void handleNotification(String msg) {
log.info("Message received from VES : {}" ,msg);
ObjectMapper obj = new ObjectMapper();
NotificationFields output = null;
String notifChangeIdentifier = "";
String notifChangeType = "";
String cllId = null;
String uniId = null;
String bw = null;
try {
JsonNode node = obj.readTree(msg);
JsonNode notificationNode = node.get(EVENT).get(NOTIFICATIONFIELDS);
output = obj.treeToValue(notificationNode, NotificationFields.class);
//Filter out target notification changeIdentifier and changeType
notifChangeIdentifier = output.getChangeIdentifier();
notifChangeType = output.getChangeType();
if (notifChangeType.equals(vesNotfiChangeType)
&& notifChangeIdentifier.equals(vesNotifChangeIdentifier)) {
cllId = output.getArrayOfNamedHashMap().get(0).getHashMap().getCllId();
uniId = output.getArrayOfNamedHashMap().get(0).getHashMap().getUniId();
bw = output.getArrayOfNamedHashMap().get(0).getHashMap().getBandwidthValue();
}
}
catch (IOException e) {
log.error("Error converting VES msg to object, {}", e.getMessage());
}
if (cllId != null && uniId != null && bw != null){
log.info("Saving new CCVPN service usage data into ccvpnPmDatastore");
log.debug("new bandwidth data -- serviceId: {}, uniId: {}, bw: {}", cllId, uniId, bw);
ccvpnPmDatastore.addUsedBwToEndpoint(cllId, uniId, bw);
}
}
}
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