2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights
7 * ================================================================================
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
12 * http://www.apache.org/licenses/LICENSE-2.0
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 * ============LICENSE_END=========================================================
22 package org.openecomp.appc.listener.LCM.impl;
24 import com.fasterxml.jackson.databind.JsonNode;
25 import org.apache.commons.lang3.StringUtils;
26 import org.openecomp.appc.listener.AbstractListener;
27 import org.openecomp.appc.listener.ListenerProperties;
28 import org.openecomp.appc.listener.LCM.conv.Converter;
29 import org.openecomp.appc.listener.LCM.model.DmaapIncomingMessage;
30 import org.openecomp.appc.listener.LCM.operation.ProviderOperations;
32 import com.att.eelf.configuration.EELFLogger;
33 import com.att.eelf.configuration.EELFManager;
34 import com.att.eelf.i18n.EELFResourceManager;
36 import java.text.DateFormat;
37 import java.text.SimpleDateFormat;
38 import java.util.Date;
39 import java.util.List;
40 import java.util.TimeZone;
41 import java.util.concurrent.RejectedExecutionException;
43 public class ListenerImpl extends AbstractListener {
45 private final EELFLogger LOG = EELFManager.getInstance().getLogger(ListenerImpl.class);
47 private long startTime = 0;
49 public ListenerImpl(ListenerProperties props) {
52 String url = props.getProperty("provider.url");
53 LOG.info("DMaaP Provider Endpoint: " + url);
54 ProviderOperations.setUrl(url);
57 String user = props.getProperty("provider.user");
58 String pass = props.getProperty("provider.pass");
59 ProviderOperations.setAuthentication(user, pass);
64 // Some vars for benchmarking
65 startTime = System.currentTimeMillis();
67 LOG.info("Running DMaaP Listener");
70 // Only update if the queue is low. otherwise we read in more
71 // messages than we need
73 if (executor.getQueue().size() <= QUEUED_MIN) {
74 LOG.debug("DMaaP queue running low. Querying for more jobs");
77 List<DmaapIncomingMessage> messages = dmaap.getIncomingEvents(DmaapIncomingMessage.class, QUEUED_MAX);
78 LOG.debug(String.format("Read %d messages from dmaap", messages.size()));
79 for (DmaapIncomingMessage incoming : messages) {
80 // Acknowledge that we read the event
81 if (isValid(incoming)) {
82 String requestIdWithSubId = getRequestIdWithSubId(incoming.getBody());
83 LOG.info("Acknowledging Message: " + requestIdWithSubId);
84 // dmaap.postStatus(incoming.toOutgoing(OperationStatus.PENDING));
87 for (DmaapIncomingMessage incoming : messages) {
88 String requestIdWithSubId = getRequestIdWithSubId(incoming.getBody());
89 // Add to pool if still running
91 if (isValid(incoming)) {
92 LOG.info(String.format("Adding DMaaP message to pool queue [%s]", requestIdWithSubId));
94 executor.execute(new WorkerImpl(incoming.getRpcName(),incoming.getBody(), dmaap));
95 } catch (RejectedExecutionException rejectEx) {
96 LOG.error("Task Rejected: ", rejectEx);
99 // Badly formed message
100 LOG.error("Message was not valid. Rejecting message: "+incoming);
103 if (isValid(incoming)) {
104 LOG.info("Run stopped. Orphaning Message: " + requestIdWithSubId);
107 // Badly formed message
108 LOG.error("Message was not valid. Rejecting message: "+incoming);
113 } catch (Exception e) {
114 LOG.error("Exception " + e.getClass().getSimpleName() + " caught in DMaaP listener");
115 LOG.error(EELFResourceManager.format(e));
116 LOG.error("DMaaP Listener logging and ignoring the exception, continue...");
120 LOG.info("Stopping DMaaP Listener thread");
122 // We've told the listener to stop
124 // 1) Put a message back on the queue indicating that APP-C never got to
127 // 2) Let downstream figure it out after timeout between PENDING and
131 private boolean isValid(DmaapIncomingMessage incoming) {
132 return ((incoming != null) &&
133 incoming.getBody() != null
134 && !StringUtils.isEmpty(incoming.getRpcName()));
138 public String getBenchmark() {
139 long time = System.currentTimeMillis();
140 DateFormat df = new SimpleDateFormat("HH:mm:ss");
141 df.setTimeZone(TimeZone.getTimeZone("UTC"));
142 String runningTime = df.format(new Date(time - startTime));
144 String out = String.format("Running for %s and completed %d jobs using %d threads.", runningTime,
145 executor.getCompletedTaskCount(), executor.getPoolSize());
146 LOG.info("***BENCHMARK*** " + out);
150 private String getRequestIdWithSubId(JsonNode event){
151 String requestId = "";
153 requestId = Converter.extractRequestIdWithSubId(event);
154 } catch (Exception e) {
155 LOG.error("failed to parse request-id and sub-request-id. Json not in expected format", e);