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/*
* ============LICENSE_START========================================================================
* ONAP : ccsdk feature sdnr wt
* =================================================================================================
* Copyright (C) 2019 highstreet technologies GmbH 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.onap.ccsdk.features.sdnr.wt.mountpointregistrar.impl;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.onap.ccsdk.features.sdnr.wt.common.configuration.Configuration;
import org.onap.ccsdk.features.sdnr.wt.common.configuration.ConfigurationFileRepresentation;
import org.onap.ccsdk.features.sdnr.wt.common.configuration.filechange.IConfigChangedListener;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class MountpointRegistrarImpl implements AutoCloseable, IConfigChangedListener {
private static final Logger LOG = LoggerFactory.getLogger(MountpointRegistrarImpl.class);
private static final String APPLICATION_NAME = "mountpoint-registrar";
private static final String CONFIGURATIONFILE = "etc/mountpoint-registrar.properties";
private Thread dmaapVESMsgConsumerMain = null;
private GeneralConfig generalConfig;
private boolean dmaapEnabled = false;
private Map<String, Configuration> configMap = new HashMap<>();
private DMaaPVESMsgConsumerMain dmaapConsumerMain = null;
// Blueprint 1
public MountpointRegistrarImpl() {
LOG.info("Creating provider class for {}", APPLICATION_NAME);
}
public void init() {
LOG.info("Init call for {}", APPLICATION_NAME);
ConfigurationFileRepresentation configFileRepresentation =
new ConfigurationFileRepresentation(CONFIGURATIONFILE);
configFileRepresentation.registerConfigChangedListener(this);
generalConfig = new GeneralConfig(configFileRepresentation);
PNFRegistrationConfig pnfRegConfig = new PNFRegistrationConfig(configFileRepresentation);
FaultConfig faultConfig = new FaultConfig(configFileRepresentation);
configMap.put("pnfRegistration", pnfRegConfig);
configMap.put("fault", faultConfig);
dmaapEnabled = generalConfig.getEnabled();
if (dmaapEnabled) { // start dmaap consumer thread only if dmaapEnabled=true
LOG.info("DMaaP seems to be enabled, starting consumer(s)");
dmaapConsumerMain = new DMaaPVESMsgConsumerMain(configMap, generalConfig);
dmaapVESMsgConsumerMain = new Thread(dmaapConsumerMain);
dmaapVESMsgConsumerMain.start();
} else {
LOG.info("DMaaP seems to be disabled, not starting any consumer(s)");
}
}
/**
* Reflect status for Unit Tests
*
* @return Text with status
*/
public String isInitializationOk() {
return "No implemented";
}
@Override
public void onConfigChanged() {
if (generalConfig == null) { // Included as NullPointerException observed once in docker logs
LOG.warn("onConfigChange cannot be handled. Unexpected Null");
return;
}
LOG.info("Service configuration state changed. Enabled: {}", generalConfig.getEnabled());
boolean dmaapEnabledNewVal = generalConfig.getEnabled();
if (!dmaapEnabled && dmaapEnabledNewVal) { // Dmaap disabled earlier (or during bundle startup) but enabled later, start Consumer(s)
LOG.info("DMaaP is enabled, starting consumer(s)");
dmaapConsumerMain = new DMaaPVESMsgConsumerMain(configMap, generalConfig);
dmaapVESMsgConsumerMain = new Thread(dmaapConsumerMain);
dmaapVESMsgConsumerMain.start();
} else if (dmaapEnabled && !dmaapEnabledNewVal) { // Dmaap enabled earlier (or during bundle startup) but disabled later, stop consumer(s)
LOG.info("DMaaP is disabled, stopping consumer(s)");
List<DMaaPVESMsgConsumer> consumers = dmaapConsumerMain.getConsumers();
for (DMaaPVESMsgConsumer consumer : consumers) {
// stop all consumers
consumer.stopConsumer();
}
}
dmaapEnabled = dmaapEnabledNewVal;
}
@Override
public void close() throws Exception {
LOG.info("{} closing ...", this.getClass().getName());
LOG.info("{} closing done", APPLICATION_NAME);
}
/**
* Used to close all Services, that should support AutoCloseable Pattern
*
* @param toClose
* @throws Exception
*/
@SuppressWarnings("unused")
private void close(AutoCloseable... toCloseList) throws Exception {
for (AutoCloseable element : toCloseList) {
if (element != null) {
element.close();
}
}
}
}
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