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/*******************************************************************************
* ============LICENSE_START=======================================================
* slice-analysis-ms
* ================================================================================
* Copyright (C) 2020 Wipro Limited.
* Copyright (C) 2022 Huawei Canada Limited.
* Copyright (C) 2022 CTC, Inc.
* ==============================================================================
* 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 java.util.Map;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import javax.annotation.PostConstruct;
import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.api.MessageRouterSubscriber;
import org.onap.dcaegen2.services.sdk.rest.services.dmaap.client.model.MessageRouterSubscribeRequest;
import org.onap.slice.analysis.ms.models.Configuration;
import org.onap.slice.analysis.ms.utils.DcaeDmaapUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
/**
* This class initializes and starts the dmaap client
* to listen on application required dmaap events
*/
@Component
public class DmaapClient {
private static final String AAI_SUBSCRIBER = "aai_subscriber";
private Configuration configuration;
private static Logger log = LoggerFactory.getLogger(DmaapClient.class);
@Autowired
private IntelligentSlicingCallback intelligentSlicingCallback;
@Autowired
private VesNotificationCallback vesNotificationCallback;
@Autowired
private AaiEventNotificationCallback aaiEventNotificationCallback;
/**
* init dmaap client.
*/
@PostConstruct
public void initClient() {
log.debug("initializing client");
configuration = Configuration.getInstance();
if (log.isDebugEnabled()) {
log.debug(configuration.toString());
}
startClient();
}
/**
* start dmaap client.
*/
@SuppressWarnings("unchecked")
public synchronized void startClient() {
Map<String, Object> streamSubscribes = configuration.getStreamsSubscribes();
String pmTopicUrl = ((Map<String, String>) ((Map<String, Object>) streamSubscribes
.get("performance_management_topic")).get("dmaap_info")).get("topic_url");
String policyResponseTopicUrl = ((Map<String, String>) ((Map<String, Object>) streamSubscribes
.get("dcae_cl_response_topic")).get("dmaap_info")).get("topic_url");
String intelligentSlicingTopicUrl = ((Map<String, String>) ((Map<String, Object>) streamSubscribes
.get("intelligent_slicing_topic")).get("dmaap_info")).get("topic_url");
// Parsing ccvpn notification topic
String ccvpnNotiTopicUrl = ((Map<String, String>) ((Map<String, Object>) streamSubscribes
.get("ves_ccvpn_notification_topic")).get("dmaap_info")).get("topic_url");
MessageRouterSubscriber pmNotifSubscriber = DcaeDmaapUtil.buildSubscriber();
MessageRouterSubscribeRequest pmNotifReqest = DcaeDmaapUtil.buildSubscriberRequest("performance_management_topic", pmTopicUrl);
MessageRouterSubscriber policyNotifSubscriber = DcaeDmaapUtil.buildSubscriber();
MessageRouterSubscribeRequest policyNotifReqest = DcaeDmaapUtil.buildSubscriberRequest("dcae_cl_response_topic", policyResponseTopicUrl);
MessageRouterSubscriber intelligentSlicingSubscriber = DcaeDmaapUtil.buildSubscriber();
MessageRouterSubscribeRequest intelligentSlicingReqest = DcaeDmaapUtil.buildSubscriberRequest("intelligent_slicing_topic", intelligentSlicingTopicUrl);
MessageRouterSubscriber ccvpnNotiSubscriber = DcaeDmaapUtil.buildSubscriber();
MessageRouterSubscribeRequest ccvpnNotiReqest = DcaeDmaapUtil.buildSubscriberRequest("ves_ccvpn_notification_topic", ccvpnNotiTopicUrl);
ScheduledExecutorService executorPool;
// create notification consumers for PM
NotificationConsumer pmNotificationConsumer = new NotificationConsumer(pmNotifSubscriber, pmNotifReqest,
new PmNotificationCallback());
// start pm notification consumer threads
executorPool = Executors.newScheduledThreadPool(10);
executorPool.scheduleAtFixedRate(pmNotificationConsumer, 0, configuration.getPollingInterval(),
TimeUnit.SECONDS);
// create notification consumers for Policy
NotificationConsumer policyNotificationConsumer = new NotificationConsumer(policyNotifSubscriber, policyNotifReqest,
new PolicyNotificationCallback());
// start policy notification consumer threads
executorPool = Executors.newScheduledThreadPool(10);
executorPool.scheduleAtFixedRate(policyNotificationConsumer, 0, configuration.getPollingInterval(),
TimeUnit.SECONDS);
// create notification consumers for ML MS
NotificationConsumer intelligentSlicingConsumer = new NotificationConsumer(intelligentSlicingSubscriber, intelligentSlicingReqest,
intelligentSlicingCallback);
// start intelligent Slicing notification consumer threads
executorPool = Executors.newScheduledThreadPool(10);
executorPool.scheduleAtFixedRate(intelligentSlicingConsumer, 0, configuration.getPollingInterval(),
TimeUnit.SECONDS);
// create notification consumers for ccvpn close-loop PM
NotificationConsumer ccvpnNotiConsumer = new NotificationConsumer(ccvpnNotiSubscriber, ccvpnNotiReqest,
vesNotificationCallback);
executorPool = Executors.newScheduledThreadPool(1);
executorPool.scheduleWithFixedDelay(ccvpnNotiConsumer, 0, configuration.getVesNotifPollingInterval(),
TimeUnit.SECONDS);
// start AAI-EVENT dmaap topic monitor
MRTopicMonitor mrTopicMonitor = getMRTopicMonitor();
mrTopicMonitor.start();
}
public MRTopicMonitor getMRTopicMonitor() {
return new MRTopicMonitor(AAI_SUBSCRIBER, aaiEventNotificationCallback);
}
}
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