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 private final ProviderOperations providerOperations;
51 public ListenerImpl(ListenerProperties props) {
54 String url = props.getProperty("provider.url");
55 LOG.info("DMaaP Provider Endpoint: " + url);
56 providerOperations = new ProviderOperations();
57 providerOperations.setUrl(url);
60 String user = props.getProperty("provider.user");
61 String pass = props.getProperty("provider.pass");
62 providerOperations.setAuthentication(user, pass);
67 // Some vars for benchmarking
68 startTime = System.currentTimeMillis();
70 LOG.info("Running DMaaP Listener");
73 // Only update if the queue is low. otherwise we read in more
74 // messages than we need
76 if (executor.getQueue().size() <= QUEUED_MIN) {
77 LOG.debug("DMaaP queue running low. Querying for more jobs");
80 List<DmaapIncomingMessage> messages = dmaap.getIncomingEvents(DmaapIncomingMessage.class, QUEUED_MAX);
81 LOG.debug(String.format("Read %d messages from dmaap", messages.size()));
82 for (DmaapIncomingMessage incoming : messages) {
83 // Acknowledge that we read the event
84 if (isValid(incoming)) {
85 String requestIdWithSubId = getRequestIdWithSubId(incoming.getBody());
86 LOG.info("Acknowledging Message: " + requestIdWithSubId);
87 // dmaap.postStatus(incoming.toOutgoing(OperationStatus.PENDING));
90 for (DmaapIncomingMessage incoming : messages) {
91 String requestIdWithSubId = getRequestIdWithSubId(incoming.getBody());
92 // Add to pool if still running
94 if (isValid(incoming)) {
95 LOG.info(String.format("Adding DMaaP message to pool queue [%s]", requestIdWithSubId));
97 executor.execute(new WorkerImpl(incoming, dmaap, providerOperations));
98 } catch (RejectedExecutionException rejectEx) {
99 LOG.error("Task Rejected: ", rejectEx);
102 // Badly formed message
103 LOG.error("Message was not valid. Rejecting message: "+incoming);
106 if (isValid(incoming)) {
107 LOG.info("Run stopped. Orphaning Message: " + requestIdWithSubId);
110 // Badly formed message
111 LOG.error("Message was not valid. Rejecting message: "+incoming);
116 } catch (Exception e) {
117 LOG.error("Exception " + e.getClass().getSimpleName() + " caught in DMaaP listener");
118 LOG.error(EELFResourceManager.format(e));
119 LOG.error("DMaaP Listener logging and ignoring the exception, continue...");
123 LOG.info("Stopping DMaaP Listener thread");
125 // We've told the listener to stop
127 // 1) Put a message back on the queue indicating that APP-C never got to
130 // 2) Let downstream figure it out after timeout between PENDING and
134 private boolean isValid(DmaapIncomingMessage incoming) {
135 return ((incoming != null) &&
136 incoming.getBody() != null
137 && !StringUtils.isEmpty(incoming.getRpcName()));
141 public String getBenchmark() {
142 long time = System.currentTimeMillis();
143 DateFormat df = new SimpleDateFormat("HH:mm:ss");
144 df.setTimeZone(TimeZone.getTimeZone("UTC"));
145 String runningTime = df.format(new Date(time - startTime));
147 String out = String.format("Running for %s and completed %d jobs using %d threads.", runningTime,
148 executor.getCompletedTaskCount(), executor.getPoolSize());
149 LOG.info("***BENCHMARK*** " + out);
153 private String getRequestIdWithSubId(JsonNode event){
154 String requestId = "";
156 requestId = Converter.extractRequestIdWithSubId(event);
157 } catch (Exception e) {
158 LOG.error("failed to parse request-id and sub-request-id. Json not in expected format", e);