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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2020 Nordix Foundation.
* ================================================================================
* 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.policy.gui.pdp.monitoring;
import lombok.NonNull;
import org.eclipse.jetty.servlets.CrossOriginFilter;
import org.onap.policy.common.endpoints.http.server.HttpServletServer;
import org.onap.policy.common.endpoints.http.server.HttpServletServerFactoryInstance;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* This class is used to launch the services. It creates a Jetty embedded web server and runs the
* services.
*
* @author Yehui Wang (yehui.wang@est.tech)
*/
public class PdpMonitoringServer {
// Logger for this class
private static final Logger LOGGER = LoggerFactory.getLogger(PdpMonitoringServer.class);
// The HTTP server exposing JAX-RS resources defined in this application.
private HttpServletServer jerseyServer;
// The HTTP server exposing static resources defined in this application.
private HttpServletServer staticResourceServer;
/**
* Starts the HTTP server for the Pdp statistics monitoring on the default base URI and with the
* default REST packages.
*/
public PdpMonitoringServer() {
this(new PdpMonitoringServerParameters());
}
/**
* Starts the HTTP server for the Pdp statistics monitoring GUI.
*
* @param parameters The Pdp parameters to use to start the server.
* @return
*/
public PdpMonitoringServer(@NonNull final PdpMonitoringServerParameters parameters) {
LOGGER.debug("Pdp Monitoring starting . . .");
jerseyServer = HttpServletServerFactoryInstance.getServerFactory().build("PDP Monitoring Rest Server", false,
parameters.getServerHost(), parameters.getDefaultRestPort(), parameters.getContextPath(), false, true);
jerseyServer.addServletPackage(parameters.getDefaultRestPath(), parameters.getRestPackage());
jerseyServer.addFilterClass(parameters.getDefaultRestPath(), CrossOriginFilter.class.getName());
jerseyServer.start();
staticResourceServer = HttpServletServerFactoryInstance.getServerFactory().buildStaticResourceServer(
"PDP Monitoring Html Server", false, parameters.getServerHost(), parameters.getPort(),
parameters.getContextPath(), true);
staticResourceServer.addServletResource(null,
PdpMonitoringServer.class.getClassLoader().getResource("webapp").toExternalForm());
staticResourceServer.start();
LOGGER.debug("Pdp Monitoring started");
}
/**
* Shut down the web server.
*
* @param htmlPort port number of static resource server
* @param restPort port number of jersey server
*/
public void shutdown(int htmlPort, int restPort) {
LOGGER.debug("Pdp Monitoring . . .");
HttpServletServerFactoryInstance.getServerFactory().destroy(htmlPort);
HttpServletServerFactoryInstance.getServerFactory().destroy(restPort);
LOGGER.debug("Pdp Monitoring shut down");
}
}
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