+/*-
+ * ========================LICENSE_START=================================
+ * O-RAN-SC
+ * %%
+ * Copyright (C) 2019 Nordix Foundation
+ * %%
+ * 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.oransc.policyagent.dmaap;
+import com.google.common.collect.Iterables;
+
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.time.Duration;
import java.util.Properties;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
-import org.onap.dmaap.mr.client.impl.MRConsumerImpl;
+import org.onap.dmaap.mr.client.MRBatchingPublisher;
+import org.onap.dmaap.mr.client.MRClientFactory;
+import org.onap.dmaap.mr.client.MRConsumer;
+import org.onap.dmaap.mr.client.response.MRConsumerResponse;
+import org.oransc.policyagent.clients.AsyncRestClient;
+import org.oransc.policyagent.configuration.ApplicationConfig;
+import org.oransc.policyagent.exceptions.ServiceException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
-public class DmaapMessageConsumerImpl implements DmaapMessageConsumer {
+@Component
+public class DmaapMessageConsumerImpl implements Runnable {
- protected MRConsumerImpl consumer;
-
- public DmaapMessageConsumerImpl() {
- // TODO Auto-generated constructor stub
- }
+ private static final Logger logger = LoggerFactory.getLogger(DmaapMessageConsumerImpl.class);
- @Override
- public void run() {
- // TODO Auto-generated method stub
+ final Duration ERROR_TIMEOUT = Duration.ofSeconds(30);
+ final Duration TIME_BETWEEN_DMAAP_POLLS = Duration.ofSeconds(10);
+ private final ApplicationConfig applicationConfig;
- }
+ @Value("${server.port}")
+ private int localServerPort;
- @Override
- public void init(Properties baseProperties) {
- // Initialize the DMAAP with the properties
- // TODO Auto-generated method stub
+ @Autowired
+ public DmaapMessageConsumerImpl(ApplicationConfig applicationConfig) {
+ this.applicationConfig = applicationConfig;
- }
+ Thread thread = new Thread(this);
+ thread.start();
+ }
- @Override
- public void processMsg(String msg) throws Exception {
- // Call the Controller once you get the message from DMAAP
- // Call the concurrent Task executor to handle the incoming request
- // TODO Auto-generated method stub
+ private boolean isDmaapConfigured() {
+ Properties consumerCfg = applicationConfig.getDmaapConsumerConfig();
+ Properties producerCfg = applicationConfig.getDmaapPublisherConfig();
+ return (consumerCfg != null && consumerCfg.size() > 0 && producerCfg != null && producerCfg.size() > 0);
+ }
- }
+ @Override
+ public void run() {
+ while (sleep(TIME_BETWEEN_DMAAP_POLLS) && isDmaapConfigured()) {
+ try {
+ Iterable<String> dmaapMsgs = fetchAllMessages();
+ if (dmaapMsgs != null && Iterables.size(dmaapMsgs) > 0) {
+ logger.debug("Fetched all the messages from DMAAP and will start to process the messages");
+ for (String msg : dmaapMsgs) {
+ processMsg(msg);
+ }
+ }
+ } catch (Exception e) {
+ logger.error("{}: cannot fetch because of ", this, e.getMessage(), e);
+ sleep(ERROR_TIMEOUT);
+ }
+ }
+ }
- @Override
- public boolean isReady() {
- // TODO Auto-generated method stub
- return false;
- }
+ private Iterable<String> fetchAllMessages() throws ServiceException, FileNotFoundException, IOException {
+ Properties dmaapConsumerProperties = this.applicationConfig.getDmaapConsumerConfig();
+ MRConsumer consumer = MRClientFactory.createConsumer(dmaapConsumerProperties);
+ MRConsumerResponse response = consumer.fetchWithReturnConsumerResponse();
+ if (response == null || !"200".equals(response.getResponseCode())) {
+ throw new ServiceException("DMaaP NULL response received");
+ } else {
+ logger.debug("DMaaP consumer received {} : {}", response.getResponseCode(), response.getResponseMessage());
+ return response.getActualMessages();
+ }
+ }
- @Override
- public boolean isRunning() {
- // TODO Auto-generated method stub
- return false;
- }
+ private void processMsg(String msg) throws Exception {
+ logger.debug("Message Reveived from DMAAP : {}", msg);
+ createDmaapMessageHandler().handleDmaapMsg(msg);
+ }
- @Override
- public void stopConsumer() {
- // TODO Auto-generated method stub
+ private DmaapMessageHandler createDmaapMessageHandler() throws FileNotFoundException, IOException {
+ String agentBaseUrl = "http://localhost:" + this.localServerPort;
+ AsyncRestClient agentClient = new AsyncRestClient(agentBaseUrl);
+ Properties dmaapPublisherProperties = applicationConfig.getDmaapPublisherConfig();
+ MRBatchingPublisher producer = MRClientFactory.createBatchingPublisher(dmaapPublisherProperties);
- }
+ return new DmaapMessageHandler(producer, this.applicationConfig, agentClient);
+ }
+ private boolean sleep(Duration duration) {
+ CountDownLatch sleep = new CountDownLatch(1);
+ try {
+ sleep.await(duration.toMillis(), TimeUnit.MILLISECONDS);
+ return true;
+ } catch (Exception e) {
+ logger.error("msg", e);
+ return false;
+ }
+ }
}
Code Review / nonrtric.git / blobdiff