diff options
Diffstat (limited to 'appc-event-listener/appc-event-listener-bundle/src/main/java/org/openecomp/appc/listener/LCM/impl/ListenerImpl.java')
| -rw-r--r-- | appc-event-listener/appc-event-listener-bundle/src/main/java/org/openecomp/appc/listener/LCM/impl/ListenerImpl.java | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/appc-event-listener/appc-event-listener-bundle/src/main/java/org/openecomp/appc/listener/LCM/impl/ListenerImpl.java b/appc-event-listener/appc-event-listener-bundle/src/main/java/org/openecomp/appc/listener/LCM/impl/ListenerImpl.java new file mode 100644 index 000000000..dd877e98a --- /dev/null +++ b/appc-event-listener/appc-event-listener-bundle/src/main/java/org/openecomp/appc/listener/LCM/impl/ListenerImpl.java @@ -0,0 +1,159 @@ +/*- + * ============LICENSE_START======================================================= + * openECOMP : APP-C + * ================================================================================ + * Copyright (C) 2017 AT&T Intellectual Property. All rights + * reserved. + * ================================================================================ + * 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.openecomp.appc.listener.LCM.impl; + +import com.fasterxml.jackson.databind.JsonNode; +import org.apache.commons.lang3.StringUtils; +import org.openecomp.appc.listener.AbstractListener; +import org.openecomp.appc.listener.ListenerProperties; +import org.openecomp.appc.listener.LCM.conv.Converter; +import org.openecomp.appc.listener.LCM.model.DmaapIncomingMessage; +import org.openecomp.appc.listener.LCM.operation.ProviderOperations; + +import com.att.eelf.configuration.EELFLogger; +import com.att.eelf.configuration.EELFManager; +import com.att.eelf.i18n.EELFResourceManager; + +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; + +public class ListenerImpl extends AbstractListener { + + private final EELFLogger LOG = EELFManager.getInstance().getLogger(ListenerImpl.class); + + private long startTime = 0; + + public ListenerImpl(ListenerProperties props) { + super(props); + + String url = props.getProperty("provider.url"); + LOG.info("DMaaP Provider Endpoint: " + url); + ProviderOperations.setUrl(url); + + // Set Basic Auth + String user = props.getProperty("provider.user"); + String pass = props.getProperty("provider.pass"); + ProviderOperations.setAuthentication(user, pass); + } + + @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); +// dmaap.postStatus(incoming.toOutgoing(OperationStatus.PENDING)); + } + } + 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.getRpcName(),incoming.getBody(), dmaap)); + } 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; + } +} |