2 * ========================LICENSE_START=================================
5 * Copyright (C) 2019 Nordix Foundation
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ========================LICENSE_END===================================
21 package org.oransc.policyagent.dmaap;
23 import java.io.IOException;
24 import java.util.Properties;
25 import org.onap.dmaap.mr.client.MRClientFactory;
26 import org.onap.dmaap.mr.client.MRConsumer;
27 import org.onap.dmaap.mr.client.response.MRConsumerResponse;
28 import org.oransc.policyagent.configuration.ApplicationConfig;
29 import org.slf4j.Logger;
30 import org.slf4j.LoggerFactory;
31 import org.springframework.beans.factory.annotation.Autowired;
32 import org.springframework.scheduling.annotation.EnableScheduling;
33 import org.springframework.scheduling.annotation.Scheduled;
34 import org.springframework.stereotype.Component;
38 public class DmaapMessageConsumerImpl implements DmaapMessageConsumer {
40 private static final Logger logger = LoggerFactory.getLogger(DmaapMessageConsumerImpl.class);
42 private boolean alive = false;
43 protected MRConsumer consumer;
44 private MRConsumerResponse response = null;
47 public DmaapMessageConsumerImpl(ApplicationConfig applicationConfig) {
48 Properties dmaapConsumerConfig = applicationConfig.getDmaapConsumerConfig();
49 init(dmaapConsumerConfig);
52 @Scheduled(fixedRate = 1000 * 60)
57 Iterable<String> dmaapMsgs = fetchAllMessages();
58 for (String msg : dmaapMsgs) {
61 } catch (Exception e) {
62 logger.error("{}: cannot fetch because of ", this, e.getMessage(), e);
67 private Iterable<String> fetchAllMessages() {
68 response = consumer.fetchWithReturnConsumerResponse();
69 if (response == null) {
70 logger.warn("{}: DMaaP NULL response received", this);
72 logger.debug("DMaaP consumer received {} : {}", response.getResponseCode(), response.getResponseMessage());
73 if (!"200".equals(response.getResponseCode())) {
74 logger.error("DMaaP consumer received: {} : {}", response.getResponseCode(),
75 response.getResponseMessage());
78 return response.getActualMessages();
82 public void init(Properties properties) {
83 // Initialize the DMAAP with the properties
84 // Do we need to do any validation of properties before calling the factory?
85 Properties prop = new Properties();
86 prop.setProperty("ServiceName", "localhost:6845/events");
87 prop.setProperty("topic", "A1-P");
88 prop.setProperty("host", "localhost:6845");
89 prop.setProperty("contenttype", "application/json");
90 prop.setProperty("username", "admin");
91 prop.setProperty("password", "admin");
92 prop.setProperty("group", "users");
93 prop.setProperty("id", "policy-agent");
94 prop.setProperty("TransportType", "HTTPNOAUTH");
95 prop.setProperty("timeout", "15000");
96 prop.setProperty("limit", "1000");
98 consumer = MRClientFactory.createConsumer(prop);
100 } catch (IOException e) {
101 logger.error("Exception occurred while creating Dmaap Consumer", e);
106 public void processMsg(String msg) throws Exception {
107 System.out.println("sysout" + msg);
108 // Call the concurrent Task executor to handle the incoming request
109 // Validate the Input & if its valid, post the ACCEPTED Response back to DMAAP
110 // through REST CLIENT
111 // Call the Controller with the extracted payload
115 public boolean isAlive() {
120 public void stopConsumer() {