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/*******************************************************************************
* ============LICENSE_START==================================================
* * org.onap.dmaap
* * ===========================================================================
* * Copyright © 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====================================================
* *
* * ECOMP is a trademark and service mark of AT&T Intellectual Property.
* *
******************************************************************************/
package org.onap.dmaap.datarouter.node;
import static java.lang.System.exit;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import org.eclipse.jetty.server.Server;
/**
* The main starting point for the Data Router node.
*/
public class NodeRunner {
private static final EELFLogger nodeMainLogger = EELFManager.getInstance().getLogger(NodeRunner.class);
private NodeRunner() {
}
/**
* Start the data router.
*
* <p>The location of the node configuration file can be set using the org.onap.dmaap.datarouter.node.properties
* system property. By default, it is "/opt/app/datartr/etc/node.properties".
*/
public static void main(String[] args) {
nodeMainLogger.debug("NODE0001 Data Router Node Starting");
IsFrom.setDNSCache();
NodeConfigManager nodeConfigManager = NodeConfigManager.getInstance();
nodeMainLogger.debug("NODE0002 I am " + nodeConfigManager.getMyName());
(new WaitForConfig(nodeConfigManager)).waitForConfig();
new LogManager(nodeConfigManager);
try {
Server server = NodeServer.getServerInstance(nodeConfigManager);
server.start();
server.join();
nodeMainLogger.debug("NODE0006 Node Server started-" + server.getState());
} catch (Exception e) {
nodeMainLogger.error("NODE0006 Jetty failed to start. Reporting will we be unavailable: "
+ e.getMessage(), e);
exit(1);
}
nodeMainLogger.debug("NODE0007 Node Server joined");
}
private static class WaitForConfig implements Runnable {
private final NodeConfigManager localNodeConfigManager;
WaitForConfig(NodeConfigManager ncm) {
this.localNodeConfigManager = ncm;
}
public synchronized void run() {
notifyAll();
}
synchronized void waitForConfig() {
localNodeConfigManager.registerConfigTask(this);
while (!localNodeConfigManager.isConfigured()) {
nodeMainLogger.debug("NODE0003 Waiting for Node Configuration");
try {
wait();
} catch (Exception exception) {
nodeMainLogger.error("NodeMain: waitForConfig exception. Exception Message:- "
+ exception, exception);
}
}
localNodeConfigManager.deregisterConfigTask(this);
nodeMainLogger.debug("NODE0004 Node Configuration Data Received");
}
}
}
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