Java tutorial
/******************************************************************************* * Copyright (c) 2013-2015 Sierra Wireless and others. * * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * and Eclipse Distribution License v1.0 which accompany this distribution. * * The Eclipse Public License is available at * http://www.eclipse.org/legal/epl-v10.html * and the Eclipse Distribution License is available at * http://www.eclipse.org/org/documents/edl-v10.html. * * Contributors: * Sierra Wireless - initial API and implementation * Achim Kraus (Bosch Software Innovations GmbH) - add parameter for * configuration filename *******************************************************************************/ package org.eclipse.leshan.server.bootstrap.demo; import java.net.BindException; import java.net.InetSocketAddress; import org.apache.commons.cli.CommandLine; import org.apache.commons.cli.DefaultParser; import org.apache.commons.cli.HelpFormatter; import org.apache.commons.cli.Options; import org.apache.commons.cli.ParseException; import org.eclipse.jetty.server.Server; import org.eclipse.jetty.servlet.ServletHolder; import org.eclipse.jetty.webapp.WebAppContext; import org.eclipse.leshan.server.bootstrap.BootstrapSessionManager; import org.eclipse.leshan.server.bootstrap.demo.servlet.BootstrapServlet; import org.eclipse.leshan.server.californium.LeshanServerBuilder; import org.eclipse.leshan.server.californium.impl.LwM2mBootstrapServerImpl; import org.eclipse.leshan.server.impl.BootstrapSessionManagerImpl; import org.eclipse.leshan.server.security.BootstrapSecurityStore; import org.slf4j.Logger; import org.slf4j.LoggerFactory; public class LeshanBootstrapServerDemo { private static final Logger LOG = LoggerFactory.getLogger(LeshanBootstrapServerDemo.class); private final static String USAGE = "java -jar leshan-bsserver-demo.jar [OPTION]"; private final static String FOOTER = "All options could be passed using environment variables.(using long option name in uppercase)"; public static void main(String[] args) { // Define options for command line tools Options options = new Options(); options.addOption("h", "help", false, "Display help information."); options.addOption("lh", "coaphost", true, "Set the local CoAP address.\n Default: any local address."); options.addOption("lp", "coapport", true, "Set the local CoAP port.\n Default: 5683."); options.addOption("slh", "coapshost", true, "Set the secure local CoAP address.\nDefault: any local address."); options.addOption("slp", "coapsport", true, "Set the secure local CoAP port.\nDefault: 5684."); options.addOption("wp", "webport", true, "Set the HTTP port for web server.\nDefault: 8080."); options.addOption("cfg", "configfile", true, "Set the filename for the configuration.\nDefault: " + BootstrapStoreImpl.DEFAULT_FILE + "."); HelpFormatter formatter = new HelpFormatter(); formatter.setOptionComparator(null); // Parse arguments CommandLine cl = null; try { cl = new DefaultParser().parse(options, args); } catch (ParseException e) { System.err.println("Parsing failed. Reason: " + e.getMessage()); formatter.printHelp(USAGE, null, options, FOOTER); return; } // Print help if (cl.hasOption("help")) { formatter.printHelp(USAGE, null, options, FOOTER); return; } // Abort if unexpected options if (cl.getArgs().length > 0) { System.err.println("Unexpected option or arguments : " + cl.getArgList()); formatter.printHelp(USAGE, null, options, FOOTER); return; } // Get local address String localAddress = System.getenv("COAPHOST"); if (cl.hasOption("lh")) { localAddress = cl.getOptionValue("lh"); } if (localAddress == null) localAddress = "0.0.0.0"; String localPortOption = System.getenv("COAPPORT"); if (cl.hasOption("lp")) { localPortOption = cl.getOptionValue("lp"); } int localPort = LeshanServerBuilder.PORT; if (localPortOption != null) { localPort = Integer.parseInt(localPortOption); } // Get secure local address String secureLocalAddress = System.getenv("COAPSHOST"); if (cl.hasOption("slh")) { secureLocalAddress = cl.getOptionValue("slh"); } if (secureLocalAddress == null) secureLocalAddress = "0.0.0.0"; String secureLocalPortOption = System.getenv("COAPSPORT"); if (cl.hasOption("slp")) { secureLocalPortOption = cl.getOptionValue("slp"); } int secureLocalPort = LeshanServerBuilder.PORT_DTLS; if (secureLocalPortOption != null) { secureLocalPort = Integer.parseInt(secureLocalPortOption); } // Get http port String webPortOption = System.getenv("WEBPORT"); if (cl.hasOption("wp")) { webPortOption = cl.getOptionValue("wp"); } int webPort = 8080; if (webPortOption != null) { webPort = Integer.parseInt(webPortOption); } String configFilename = System.getenv("CONFIGFILE"); if (cl.hasOption("cfg")) { configFilename = cl.getOptionValue("cfg"); } if (configFilename == null) { configFilename = BootstrapStoreImpl.DEFAULT_FILE; } try { createAndStartServer(webPort, localAddress, localPort, secureLocalAddress, secureLocalPort, configFilename); } catch (BindException e) { System.err.println(String.format( "Web port %s is already in use, you can change it using the 'webport' option.", webPort)); formatter.printHelp(USAGE, null, options, FOOTER); } catch (Exception e) { LOG.error("Jetty stopped with unexcepted error ...", e); } } public static void createAndStartServer(int webPort, String localAddress, int localPort, String secureLocalAddress, int secureLocalPort, String configFilename) throws Exception { // Prepare and start bootstrap server BootstrapStoreImpl bsStore = new BootstrapStoreImpl(configFilename); BootstrapSecurityStore securityStore = new BootstrapSecurityStoreImpl(bsStore); BootstrapSessionManager bsSessionManager = new BootstrapSessionManagerImpl(securityStore); LwM2mBootstrapServerImpl bsServer = new LwM2mBootstrapServerImpl( new InetSocketAddress(localAddress, localPort), new InetSocketAddress(secureLocalAddress, secureLocalPort), bsStore, securityStore, bsSessionManager); bsServer.start(); // Now prepare and start jetty Server server = new Server(webPort); WebAppContext root = new WebAppContext(); root.setContextPath("/"); root.setResourceBase( LeshanBootstrapServerDemo.class.getClassLoader().getResource("webapp").toExternalForm()); root.setParentLoaderPriority(true); ServletHolder bsServletHolder = new ServletHolder(new BootstrapServlet(bsStore)); root.addServlet(bsServletHolder, "/api/bootstrap/*"); server.setHandler(root); server.start(); LOG.info("Web server started at {}.", server.getURI()); } }