--- /dev/null
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Copyright (C) 2017 Amdocs
+ * =============================================================================
+ * 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.appc.listener.LCM.impl;
+
+import com.att.eelf.configuration.EELFLogger;
+import com.att.eelf.configuration.EELFManager;
+import com.att.eelf.i18n.EELFResourceManager;
+import com.fasterxml.jackson.databind.JsonNode;
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.List;
+import java.util.TimeZone;
+import java.util.concurrent.RejectedExecutionException;
+import org.apache.commons.lang3.StringUtils;
+import org.onap.appc.listener.AbstractListener;
+import org.onap.appc.listener.LCM.conv.Converter;
+import org.onap.appc.listener.LCM.model.DmaapIncomingMessage;
+import org.onap.appc.listener.LCM.operation.ProviderOperations;
+import org.onap.appc.listener.ListenerProperties;
+
+public class ListenerImpl extends AbstractListener {
+
+ private final EELFLogger LOG = EELFManager.getInstance().getLogger(ListenerImpl.class);
+
+ private long startTime = 0;
+
+ private final ProviderOperations providerOperations;
+
+ public ListenerImpl(ListenerProperties props) {
+ super(props);
+
+ String url = props.getProperty("provider.url");
+ String user = props.getProperty("provider.user");
+ String pass = props.getProperty("provider.pass");
+ providerOperations = new ProviderOperations(url, user, pass);
+ LOG.info("DMaaP Provider Endpoint: " + url);
+ }
+
+ @Override
+ public void run() {
+ // Some vars for benchmarking
+ startTime = System.currentTimeMillis();
+
+ LOG.info("Running DMaaP Listener");
+
+ while (run.get()) {
+ // Only update if the queue is low. otherwise we read in more
+ // messages than we need
+ try {
+ if (executor.getQueue().size() <= QUEUED_MIN) {
+ LOG.debug("DMaaP queue running low. Querying for more jobs");
+
+ List<DmaapIncomingMessage> messages = dmaap
+ .getIncomingEvents(DmaapIncomingMessage.class, QUEUED_MAX);
+ LOG.debug(String.format("Read %d messages from dmaap", messages.size()));
+ for (DmaapIncomingMessage incoming : messages) {
+ // Acknowledge that we read the event
+ if (isValid(incoming)) {
+ String requestIdWithSubId = getRequestIdWithSubId(incoming.getBody());
+ LOG.info("Acknowledging Message: " + requestIdWithSubId);
+ }
+ }
+ for (DmaapIncomingMessage incoming : messages) {
+ String requestIdWithSubId = getRequestIdWithSubId(incoming.getBody());
+ // Add to pool if still running
+ if (run.get()) {
+ if (isValid(incoming)) {
+ LOG.info(String.format("Adding DMaaP message to pool queue [%s]", requestIdWithSubId));
+ try {
+ executor.execute(new WorkerImpl(incoming, dmaap, providerOperations));
+ } catch (RejectedExecutionException rejectEx) {
+ LOG.error("Task Rejected: ", rejectEx);
+ }
+ } else {
+ // Badly formed message
+ LOG.error("Message was not valid. Rejecting message: " + incoming);
+ }
+ } else {
+ if (isValid(incoming)) {
+ LOG.info("Run stopped. Orphaning Message: " + requestIdWithSubId);
+ } else {
+ // Badly formed message
+ LOG.error("Message was not valid. Rejecting message: " + incoming);
+ }
+ }
+ }
+ }
+ } catch (Exception e) {
+ LOG.error("Exception " + e.getClass().getSimpleName() + " caught in DMaaP listener");
+ LOG.error(EELFResourceManager.format(e));
+ LOG.error("DMaaP Listener logging and ignoring the exception, continue...");
+ }
+ }
+
+ LOG.info("Stopping DMaaP Listener thread");
+
+ // We've told the listener to stop
+ // TODO - Should we:
+ // 1) Put a message back on the queue indicating that APP-C never got to
+ // the message
+ // or
+ // 2) Let downstream figure it out after timeout between PENDING and
+ // ACTIVE messages
+ }
+
+ private boolean isValid(DmaapIncomingMessage incoming) {
+ return ((incoming != null) &&
+ incoming.getBody() != null
+ && !StringUtils.isEmpty(incoming.getRpcName()));
+ }
+
+ @Override
+ public String getBenchmark() {
+ long time = System.currentTimeMillis();
+ DateFormat df = new SimpleDateFormat("HH:mm:ss");
+ df.setTimeZone(TimeZone.getTimeZone("UTC"));
+ String runningTime = df.format(new Date(time - startTime));
+
+ String out = String.format("Running for %s and completed %d jobs using %d threads.", runningTime,
+ executor.getCompletedTaskCount(), executor.getPoolSize());
+ LOG.info("***BENCHMARK*** " + out);
+ return out;
+ }
+
+ private String getRequestIdWithSubId(JsonNode event) {
+ String requestId = "";
+ try {
+ requestId = Converter.extractRequestIdWithSubId(event);
+ } catch (Exception e) {
+ LOG.error("failed to parse request-id and sub-request-id. Json not in expected format", e);
+ }
+ return requestId;
+ }
+}
Code Review / appc.git / blobdiff