Kernel.java

   1 package org.argeo.cms.internal.kernel;
   2
   3 import static bitronix.tm.TransactionManagerServices.getTransactionManager;
   4 import static bitronix.tm.TransactionManagerServices.getTransactionSynchronizationRegistry;
   5 import static java.util.Locale.ENGLISH;
   6 import static org.argeo.cms.internal.kernel.KernelUtils.getFrameworkProp;
   7 import static org.argeo.cms.internal.kernel.KernelUtils.getOsgiInstanceDir;
   8 import static org.argeo.jcr.ArgeoJcrConstants.ALIAS_NODE;
   9 import static org.argeo.jcr.ArgeoJcrConstants.JCR_REPOSITORY_ALIAS;
  10 import static org.argeo.util.LocaleChoice.asLocaleList;
  11 import static org.osgi.framework.Constants.FRAMEWORK_UUID;
  12
  13 import java.io.ByteArrayInputStream;
  14 import java.io.ByteArrayOutputStream;
  15 import java.io.File;
  16 import java.io.FileFilter;
  17 import java.io.IOException;
  18 import java.io.InputStreamReader;
  19 import java.io.Reader;
  20 import java.lang.management.ManagementFactory;
  21 import java.net.URL;
  22 import java.security.PrivilegedAction;
  23 import java.util.Dictionary;
  24 import java.util.HashMap;
  25 import java.util.HashSet;
  26 import java.util.Hashtable;
  27 import java.util.List;
  28 import java.util.Locale;
  29 import java.util.Map;
  30 import java.util.Set;
  31
  32 import javax.jcr.ImportUUIDBehavior;
  33 import javax.jcr.Repository;
  34 import javax.jcr.RepositoryException;
  35 import javax.jcr.RepositoryFactory;
  36 import javax.jcr.Session;
  37 import javax.jcr.SimpleCredentials;
  38 import javax.security.auth.Subject;
  39 import javax.security.auth.login.LoginContext;
  40 import javax.security.auth.login.LoginException;
  41 import javax.transaction.TransactionManager;
  42 import javax.transaction.TransactionSynchronizationRegistry;
  43 import javax.transaction.UserTransaction;
  44
  45 import org.apache.commons.io.FileUtils;
  46 import org.apache.commons.logging.Log;
  47 import org.apache.commons.logging.LogFactory;
  48 import org.apache.jackrabbit.api.JackrabbitRepository;
  49 import org.apache.jackrabbit.commons.cnd.CndImporter;
  50 import org.apache.jackrabbit.util.TransientFileFactory;
  51 import org.argeo.ArgeoException;
  52 import org.argeo.ArgeoLogger;
  53 import org.argeo.cms.CmsException;
  54 import org.argeo.cms.maintenance.MaintenanceUi;
  55 import org.argeo.jackrabbit.JackrabbitDataModel;
  56 import org.argeo.jackrabbit.ManagedJackrabbitRepository;
  57 import org.argeo.jackrabbit.OsgiJackrabbitRepositoryFactory;
  58 import org.argeo.jcr.ArgeoJcrConstants;
  59 import org.argeo.jcr.ArgeoJcrUtils;
  60 import org.argeo.jcr.JcrUtils;
  61 import org.argeo.jcr.RepoConf;
  62 import org.eclipse.equinox.http.jetty.JettyConfigurator;
  63 import org.eclipse.equinox.http.jetty.JettyConstants;
  64 import org.eclipse.equinox.http.servlet.ExtendedHttpService;
  65 import org.eclipse.rap.rwt.application.ApplicationConfiguration;
  66 import org.osgi.framework.Bundle;
  67 import org.osgi.framework.BundleContext;
  68 import org.osgi.framework.Constants;
  69 import org.osgi.framework.ServiceEvent;
  70 import org.osgi.framework.ServiceListener;
  71 import org.osgi.framework.ServiceReference;
  72 import org.osgi.framework.ServiceRegistration;
  73 import org.osgi.framework.startlevel.BundleStartLevel;
  74 import org.osgi.framework.wiring.BundleCapability;
  75 import org.osgi.framework.wiring.BundleWire;
  76 import org.osgi.framework.wiring.BundleWiring;
  77 import org.osgi.service.cm.Configuration;
  78 import org.osgi.service.cm.ConfigurationAdmin;
  79 import org.osgi.service.cm.ManagedService;
  80 import org.osgi.service.log.LogReaderService;
  81 import org.osgi.service.useradmin.UserAdmin;
  82 import org.osgi.util.tracker.ServiceTracker;
  83
  84 import bitronix.tm.BitronixTransactionManager;
  85 import bitronix.tm.BitronixTransactionSynchronizationRegistry;
  86 import bitronix.tm.TransactionManagerServices;
  87
  88 /**
  89  * Argeo CMS Kernel. Responsible for :
  90  * <ul>
  91  * <li>security</li>
  92  * <li>provisioning</li>
  93  * <li>transaction</li>
  94  * <li>logging</li>
  95  * <li>local and remote file systems access</li>
  96  * <li>OS access</li>
  97  * </ul>
  98  */
  99 final class Kernel implements KernelHeader, KernelConstants, ServiceListener {
 100         /*
 101          * SERVICE REFERENCES
 102          */
 103         private ServiceReference<ConfigurationAdmin> configurationAdmin;
 104         /*
 105          * REGISTERED SERVICES
 106          */
 107         private ServiceRegistration<ArgeoLogger> loggerReg;
 108         private ServiceRegistration<TransactionManager> tmReg;
 109         private ServiceRegistration<UserTransaction> utReg;
 110         private ServiceRegistration<TransactionSynchronizationRegistry> tsrReg;
 111         private ServiceRegistration<? extends Repository> repositoryReg;
 112         private ServiceRegistration<RepositoryFactory> repositoryFactoryReg;
 113         private ServiceRegistration<UserAdmin> userAdminReg;
 114
 115         /*
 116          * SERVICES IMPLEMENTATIONS
 117          */
 118         private NodeLogger logger;
 119         private BitronixTransactionManager transactionManager;
 120         private BitronixTransactionSynchronizationRegistry transactionSynchronizationRegistry;
 121         private OsgiJackrabbitRepositoryFactory repositoryFactory;
 122         JackrabbitRepository repository;
 123         private NodeUserAdmin userAdmin;
 124
 125         // Members
 126         private final static Log log = LogFactory.getLog(Kernel.class);
 127         ThreadGroup threadGroup = new ThreadGroup(Kernel.class.getSimpleName());
 128         private final BundleContext bc = Activator.getBundleContext();
 129         private final NodeSecurity nodeSecurity;
 130         private DataHttp dataHttp;
 131         private NodeHttp nodeHttp;
 132         private KernelThread kernelThread;
 133
 134         private Locale defaultLocale = null;
 135         private List<Locale> locales = null;
 136
 137         public Kernel() {
 138                 // KernelUtils.logFrameworkProperties(log);
 139                 nodeSecurity = new NodeSecurity();
 140         }
 141
 142         final void init() {
 143                 Subject.doAs(nodeSecurity.getKernelSubject(), new PrivilegedAction<Void>() {
 144                         @Override
 145                         public Void run() {
 146                                 doInit();
 147                                 return null;
 148                         }
 149                 });
 150         }
 151
 152         private void doInit() {
 153                 long begin = System.currentTimeMillis();
 154                 // Use CMS bundle classloader
 155                 ClassLoader currentContextCl = Thread.currentThread().getContextClassLoader();
 156                 Thread.currentThread().setContextClassLoader(Kernel.class.getClassLoader());
 157                 try {
 158                         // Listen to service publication (also ours)
 159                         bc.addServiceListener(Kernel.this);
 160
 161                         if (nodeSecurity.isFirstInit())
 162                                 firstInit();
 163
 164                         defaultLocale = new Locale(getFrameworkProp(I18N_DEFAULT_LOCALE, ENGLISH.getLanguage()));
 165                         locales = asLocaleList(getFrameworkProp(I18N_LOCALES));
 166
 167                         ServiceTracker<LogReaderService, LogReaderService> logReaderService = new ServiceTracker<LogReaderService, LogReaderService>(
 168                                         bc, LogReaderService.class, null);
 169                         logReaderService.open();
 170                         logger = new NodeLogger(logReaderService.getService());
 171                         logReaderService.close();
 172
 173                         if (isMaintenance())
 174                                 maintenanceInit();
 175                         else
 176                                 normalInit();
 177                 } catch (Exception e) {
 178                         log.error("Cannot initialize Argeo CMS", e);
 179                         throw new ArgeoException("Cannot initialize", e);
 180                 } finally {
 181                         Thread.currentThread().setContextClassLoader(currentContextCl);
 182                         // FIXME better manage lifecycle.
 183                         try {
 184                                 new LoginContext(LOGIN_CONTEXT_KERNEL, nodeSecurity.getKernelSubject()).logout();
 185                         } catch (LoginException e) {
 186                                 e.printStackTrace();
 187                         }
 188                 }
 189
 190                 long jvmUptime = ManagementFactory.getRuntimeMXBean().getUptime();
 191                 log.info("## ARGEO CMS UP in " + (jvmUptime / 1000) + "." + (jvmUptime % 1000) + "s ##");
 192                 long initDuration = System.currentTimeMillis() - begin;
 193                 if (log.isTraceEnabled())
 194                         log.trace("Kernel initialization took " + initDuration + "ms");
 195                 directorsCut(initDuration);
 196         }
 197
 198         private void normalInit() {
 199                 ConfigurationAdmin conf = findConfigurationAdmin();
 200
 201                 // HTTP
 202                 initWebServer(conf);
 203                 // ServiceReference<ExtendedHttpService> sr =
 204                 // bc.getServiceReference(ExtendedHttpService.class);
 205                 // if (sr != null)
 206                 // addHttpService(sr);
 207                 // else
 208                 // log.warn("No http service found");
 209
 210                 // Initialise services
 211                 initTransactionManager();
 212
 213                 try {
 214                         Configuration nodeConf = conf.getConfiguration(ArgeoJcrConstants.REPO_PID_NODE);
 215                         if (nodeConf.getProperties() == null) {
 216                                 Dictionary<String, ?> props = getNodeConfigFromFrameworkProperties();
 217                                 if (props == null) {
 218                                         // TODO interactive configuration
 219                                         if (log.isDebugEnabled())
 220                                                 log.debug("No argeo.node.repo.type=localfs|h2|postgresql|memory"
 221                                                                 + " property defined, entering interactive mode...");
 222                                         return;
 223                                 }
 224                                 nodeConf.update(props);
 225                         }
 226                 } catch (IOException e) {
 227                         throw new CmsException("Cannot get configuration", e);
 228                 }
 229
 230                 ManagedJackrabbitRepository nodeRepo = new ManagedJackrabbitRepository();
 231                 String[] clazzes = { ManagedService.class.getName(), Repository.class.getName(),
 232                                 JackrabbitRepository.class.getName() };
 233                 Hashtable<String, String> serviceProps = new Hashtable<String, String>();
 234                 serviceProps.put(Constants.SERVICE_PID, ArgeoJcrConstants.REPO_PID_NODE);
 235                 serviceProps.put(ArgeoJcrConstants.JCR_REPOSITORY_ALIAS, ArgeoJcrConstants.ALIAS_NODE);
 236                 ServiceRegistration<?> nodeSr = bc.registerService(clazzes, nodeRepo, serviceProps);
 237                 nodeRepo.waitForInit();
 238
 239                 new JackrabbitDataModel(bc).prepareDataModel(nodeRepo);
 240                 prepareDataModel(nodeRepo);
 241
 242                 repository = (JackrabbitRepository) bc.getService(nodeSr.getReference());
 243
 244                 if (repository == null)
 245                         repository = new NodeRepository();
 246                 if (repositoryFactory == null) {
 247                         repositoryFactory = new OsgiJackrabbitRepositoryFactory();
 248                         repositoryFactory.setBundleContext(bc);
 249                 }
 250                 userAdmin = new NodeUserAdmin(transactionManager, repository);
 251
 252                 // ADMIN UIs
 253                 UserUi userUi = new UserUi();
 254                 Hashtable<String, String> props = new Hashtable<String, String>();
 255                 props.put("contextName", "user");
 256                 bc.registerService(ApplicationConfiguration.class, userUi, props);
 257
 258                 // Kernel thread
 259                 kernelThread = new KernelThread(this);
 260                 kernelThread.setContextClassLoader(Kernel.class.getClassLoader());
 261                 kernelThread.start();
 262
 263                 // Publish services to OSGi
 264                 publish();
 265         }
 266
 267         private Dictionary<String, ?> getNodeConfigFromFrameworkProperties() {
 268                 String repoType = KernelUtils.getFrameworkProp(KernelConstants.NODE_REPO_PROP_PREFIX + RepoConf.type.name());
 269                 if (repoType == null)
 270                         return null;
 271
 272                 Hashtable<String, Object> props = new Hashtable<String, Object>();
 273                 for (RepoConf repoConf : RepoConf.values()) {
 274                         String value = KernelUtils.getFrameworkProp(KernelConstants.NODE_REPO_PROP_PREFIX + repoConf.name());
 275                         if (value != null)
 276                                 props.put(repoConf.name(), value);
 277                 }
 278                 return props;
 279         }
 280
 281         private final static String CMS_DATA_MODEL = "cms.datamodel";
 282
 283         private void prepareDataModel(ManagedJackrabbitRepository nodeRepo) {
 284                 Session adminSession = null;
 285                 try {
 286                         Set<String> processed = new HashSet<String>();
 287                         adminSession = nodeRepo.login();
 288                         bundles: for (Bundle bundle : bc.getBundles()) {
 289                                 BundleWiring wiring = bundle.adapt(BundleWiring.class);
 290                                 if (wiring == null) {
 291                                         if (log.isTraceEnabled())
 292                                                 log.error("No wiring for " + bundle.getSymbolicName());
 293                                         continue bundles;
 294                                 }
 295                                 processWiring(adminSession, wiring, processed);
 296                         }
 297                 } catch (RepositoryException e) {
 298                         throw new CmsException("Cannot prepare data model", e);
 299                 } finally {
 300                         JcrUtils.logoutQuietly(adminSession);
 301                 }
 302         }
 303
 304         private void processWiring(Session adminSession, BundleWiring wiring, Set<String> processed) {
 305                 // recursively process requirements first
 306                 List<BundleWire> requiredWires = wiring.getRequiredWires(CMS_DATA_MODEL);
 307                 for (BundleWire wire : requiredWires) {
 308                         processWiring(adminSession, wire.getProviderWiring(), processed);
 309                         // registerCnd(adminSession, wire.getCapability(), processed);
 310                 }
 311                 List<BundleCapability> capabilities = wiring.getCapabilities(CMS_DATA_MODEL);
 312                 for (BundleCapability capability : capabilities) {
 313                         registerCnd(adminSession, capability, processed);
 314                 }
 315         }
 316
 317         private void registerCnd(Session adminSession, BundleCapability capability, Set<String> processed) {
 318                 Map<String, Object> attrs = capability.getAttributes();
 319                 String name = attrs.get("name").toString();
 320                 if (processed.contains(name)) {
 321                         if (log.isTraceEnabled())
 322                                 log.trace("Data model " + name + " has already been processed");
 323                         return;
 324                 }
 325                 String path = attrs.get("cnd").toString();
 326                 URL url = capability.getRevision().getBundle().getResource(path);
 327                 try (Reader reader = new InputStreamReader(url.openStream())) {
 328                         CndImporter.registerNodeTypes(reader, adminSession, true);
 329                         processed.add(name);
 330                         if (log.isDebugEnabled())
 331                                 log.debug("Registered CND " + url);
 332                 } catch (Exception e) {
 333                         throw new CmsException("Cannot read cnd " + url, e);
 334                 }
 335
 336                 Hashtable<String, Object> properties = new Hashtable<>();
 337                 properties.put(ArgeoJcrConstants.JCR_REPOSITORY_ALIAS, name);
 338                 bc.registerService(Repository.class, adminSession.getRepository(), properties);
 339                 if (log.isDebugEnabled())
 340                         log.debug("Published data model " + name);
 341         }
 342
 343         private boolean isMaintenance() {
 344                 String startLevel = KernelUtils.getFrameworkProp("osgi.startLevel");
 345                 if (startLevel == null)
 346                         return false;
 347                 int bundleStartLevel = bc.getBundle().adapt(BundleStartLevel.class).getStartLevel();
 348                 // int frameworkStartLevel =
 349                 // bc.getBundle(0).adapt(BundleStartLevel.class)
 350                 // .getStartLevel();
 351                 int frameworkStartLevel = Integer.parseInt(startLevel);
 352                 // int frameworkStartLevel = bc.getBundle(0)
 353                 // .adapt(FrameworkStartLevel.class).getStartLevel();
 354                 return bundleStartLevel == frameworkStartLevel;
 355         }
 356
 357         private void maintenanceInit() {
 358                 log.info("## MAINTENANCE ##");
 359                 bc.addServiceListener(Kernel.this);
 360                 initWebServer(null);
 361                 MaintenanceUi maintenanceUi = new MaintenanceUi();
 362                 Hashtable<String, String> props = new Hashtable<String, String>();
 363                 props.put("contextName", "maintenance");
 364                 bc.registerService(ApplicationConfiguration.class, maintenanceUi, props);
 365         }
 366
 367         private void firstInit() {
 368                 log.info("## FIRST INIT ##");
 369                 String nodeInit = getFrameworkProp(NODE_INIT);
 370                 if (nodeInit == null)
 371                         nodeInit = "../../init";
 372                 if (nodeInit.startsWith("http")) {
 373                         remoteFirstInit(nodeInit);
 374                         return;
 375                 }
 376                 File initDir;
 377                 if (nodeInit.startsWith("."))
 378                         initDir = KernelUtils.getExecutionDir(nodeInit);
 379                 else
 380                         initDir = new File(nodeInit);
 381                 // TODO also uncompress archives
 382                 if (initDir.exists())
 383                         try {
 384                                 FileUtils.copyDirectory(initDir, getOsgiInstanceDir(), new FileFilter() {
 385
 386                                         @Override
 387                                         public boolean accept(File pathname) {
 388                                                 if (pathname.getName().equals(".svn") || pathname.getName().equals(".git"))
 389                                                         return false;
 390                                                 return true;
 391                                         }
 392                                 });
 393                                 log.info("CMS initialized from " + initDir.getCanonicalPath());
 394                         } catch (IOException e) {
 395                                 throw new CmsException("Cannot initialize from " + initDir, e);
 396                         }
 397         }
 398
 399         private void remoteFirstInit(String uri) {
 400                 try {
 401                         repository = new NodeRepository();
 402                         repositoryFactory = new OsgiJackrabbitRepositoryFactory();
 403                         Repository remoteRepository = ArgeoJcrUtils.getRepositoryByUri(repositoryFactory, uri);
 404                         Session remoteSession = remoteRepository.login(new SimpleCredentials("root", "demo".toCharArray()), "main");
 405                         Session localSession = this.repository.login();
 406                         // FIXME register node type
 407                         // if (false)
 408                         // CndImporter.registerNodeTypes(null, localSession);
 409                         ByteArrayOutputStream out = new ByteArrayOutputStream();
 410                         remoteSession.exportSystemView("/", out, true, false);
 411                         ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
 412                         localSession.importXML("/", in, ImportUUIDBehavior.IMPORT_UUID_COLLISION_THROW);
 413                         // JcrUtils.copy(remoteSession.getRootNode(),
 414                         // localSession.getRootNode());
 415                 } catch (Exception e) {
 416                         throw new CmsException("Cannot first init from " + uri, e);
 417                 }
 418         }
 419
 420         /** Can be null */
 421         private ConfigurationAdmin findConfigurationAdmin() {
 422                 configurationAdmin = bc.getServiceReference(ConfigurationAdmin.class);
 423                 if (configurationAdmin == null) {
 424                         return null;
 425                 }
 426                 return bc.getService(configurationAdmin);
 427         }
 428
 429         private void initTransactionManager() {
 430                 bitronix.tm.Configuration tmConf = TransactionManagerServices.getConfiguration();
 431                 tmConf.setServerId(getFrameworkProp(FRAMEWORK_UUID));
 432
 433                 // File tmBaseDir = new File(getFrameworkProp(TRANSACTIONS_HOME,
 434                 // getOsgiInstancePath(DIR_TRANSACTIONS)));
 435                 File tmBaseDir = bc.getDataFile(DIR_TRANSACTIONS);
 436                 File tmDir1 = new File(tmBaseDir, "btm1");
 437                 tmDir1.mkdirs();
 438                 tmConf.setLogPart1Filename(new File(tmDir1, tmDir1.getName() + ".tlog").getAbsolutePath());
 439                 File tmDir2 = new File(tmBaseDir, "btm2");
 440                 tmDir2.mkdirs();
 441                 tmConf.setLogPart2Filename(new File(tmDir2, tmDir2.getName() + ".tlog").getAbsolutePath());
 442                 transactionManager = getTransactionManager();
 443                 transactionSynchronizationRegistry = getTransactionSynchronizationRegistry();
 444         }
 445
 446         private void initWebServer(ConfigurationAdmin conf) {
 447                 String httpPort = getFrameworkProp("org.osgi.service.http.port");
 448                 String httpsPort = getFrameworkProp("org.osgi.service.http.port.secure");
 449                 try {
 450                         if (httpPort != null || httpsPort != null) {
 451                                 Hashtable<String, Object> jettyProps = new Hashtable<String, Object>();
 452                                 if (httpPort != null) {
 453                                         jettyProps.put(JettyConstants.HTTP_PORT, httpPort);
 454                                         jettyProps.put(JettyConstants.HTTP_ENABLED, true);
 455                                 }
 456                                 if (httpsPort != null) {
 457                                         jettyProps.put(JettyConstants.HTTPS_PORT, httpsPort);
 458                                         jettyProps.put(JettyConstants.HTTPS_ENABLED, true);
 459                                         jettyProps.put(JettyConstants.SSL_KEYSTORETYPE, "PKCS12");
 460                                         jettyProps.put(JettyConstants.SSL_KEYSTORE,
 461                                                         nodeSecurity.getHttpServerKeyStore().getCanonicalPath());
 462                                         jettyProps.put(JettyConstants.SSL_PASSWORD, "changeit");
 463                                         jettyProps.put(JettyConstants.SSL_WANTCLIENTAUTH, true);
 464                                 }
 465                                 if (conf != null) {
 466                                         // TODO make filter more generic
 467                                         String filter = "(" + JettyConstants.HTTP_PORT + "=" + httpPort + ")";
 468                                         if (conf.listConfigurations(filter) != null)
 469                                                 return;
 470                                         Configuration jettyConf = conf.createFactoryConfiguration(JETTY_FACTORY_PID, null);
 471                                         jettyConf.update(jettyProps);
 472                                 } else {
 473                                         JettyConfigurator.startServer("default", jettyProps);
 474                                 }
 475                         }
 476                 } catch (Exception e) {
 477                         throw new CmsException("Cannot initialize web server on " + httpPortsMsg(httpPort, httpsPort), e);
 478                 }
 479         }
 480
 481         @SuppressWarnings("unchecked")
 482         private void publish() {
 483
 484                 // Logging
 485                 loggerReg = bc.registerService(ArgeoLogger.class, logger, null);
 486                 // Transaction
 487                 tmReg = bc.registerService(TransactionManager.class, transactionManager, null);
 488                 utReg = bc.registerService(UserTransaction.class, transactionManager, null);
 489                 tsrReg = bc.registerService(TransactionSynchronizationRegistry.class, transactionSynchronizationRegistry, null);
 490                 // User admin
 491                 userAdminReg = bc.registerService(UserAdmin.class, userAdmin, userAdmin.currentState());
 492                 // JCR
 493                 Hashtable<String, String> regProps = new Hashtable<String, String>();
 494                 regProps.put(JCR_REPOSITORY_ALIAS, ALIAS_NODE);
 495                 repositoryReg = (ServiceRegistration<? extends Repository>) bc.registerService(
 496                                 new String[] { Repository.class.getName(), JackrabbitRepository.class.getName() }, repository,
 497                                 regProps);
 498                 repositoryFactoryReg = bc.registerService(RepositoryFactory.class, repositoryFactory, null);
 499         }
 500
 501         void destroy() {
 502                 long begin = System.currentTimeMillis();
 503                 unpublish();
 504
 505                 kernelThread.destroyAndJoin();
 506
 507                 if (dataHttp != null)
 508                         dataHttp.destroy();
 509                 if (nodeHttp != null)
 510                         nodeHttp.destroy();
 511                 if (userAdmin != null)
 512                         userAdmin.destroy();
 513                 if (repository != null)
 514                         repository.shutdown();
 515                 if (transactionManager != null)
 516                         transactionManager.shutdown();
 517
 518                 bc.removeServiceListener(this);
 519
 520                 // Clean hanging threads from Jackrabbit
 521                 TransientFileFactory.shutdown();
 522
 523                 // Clean hanging Gogo shell thread
 524                 new GogoShellKiller().start();
 525
 526                 nodeSecurity.destroy();
 527                 long duration = System.currentTimeMillis() - begin;
 528                 log.info("## ARGEO CMS DOWN in " + (duration / 1000) + "." + (duration % 1000) + "s ##");
 529         }
 530
 531         private void unpublish() {
 532                 userAdminReg.unregister();
 533                 repositoryFactoryReg.unregister();
 534                 repositoryReg.unregister();
 535                 tmReg.unregister();
 536                 utReg.unregister();
 537                 tsrReg.unregister();
 538                 loggerReg.unregister();
 539         }
 540
 541         @Override
 542         public void serviceChanged(ServiceEvent event) {
 543                 ServiceReference<?> sr = event.getServiceReference();
 544                 Object service = bc.getService(sr);
 545                 if (service instanceof Repository) {
 546                         Object jcrRepoAlias = sr.getProperty(ArgeoJcrConstants.JCR_REPOSITORY_ALIAS);
 547                         if (jcrRepoAlias != null) {// JCR repository
 548                                 String alias = jcrRepoAlias.toString();
 549                                 Repository repository = (Repository) bc.getService(sr);
 550                                 Map<String, Object> props = new HashMap<String, Object>();
 551                                 for (String key : sr.getPropertyKeys())
 552                                         props.put(key, sr.getProperty(key));
 553                                 if (ServiceEvent.REGISTERED == event.getType()) {
 554                                         try {
 555                                                 // repositoryFactory.register(repository, props);
 556                                                 dataHttp.registerRepositoryServlets(alias, repository);
 557                                         } catch (Exception e) {
 558                                                 throw new CmsException("Could not publish JCR repository " + alias, e);
 559                                         }
 560                                 } else if (ServiceEvent.UNREGISTERING == event.getType()) {
 561                                         // repositoryFactory.unregister(repository, props);
 562                                         dataHttp.unregisterRepositoryServlets(alias);
 563                                 }
 564                         }
 565                 } else if (service instanceof ExtendedHttpService) {
 566                         if (ServiceEvent.REGISTERED == event.getType()) {
 567                                 addHttpService(sr);
 568                         } else if (ServiceEvent.UNREGISTERING == event.getType()) {
 569                                 dataHttp.destroy();
 570                                 dataHttp = null;
 571                         }
 572                 }
 573         }
 574
 575         private void addHttpService(ServiceReference<?> sr) {
 576                 // for (String key : sr.getPropertyKeys())
 577                 // log.debug(key + "=" + sr.getProperty(key));
 578                 ExtendedHttpService httpService = (ExtendedHttpService) bc.getService(sr);
 579                 // TODO find constants
 580                 Object httpPort = sr.getProperty("http.port");
 581                 Object httpsPort = sr.getProperty("https.port");
 582                 dataHttp = new DataHttp(httpService);
 583                 nodeHttp = new NodeHttp(httpService, bc);
 584                 if (log.isDebugEnabled())
 585                         log.debug(httpPortsMsg(httpPort, httpsPort));
 586         }
 587
 588         private String httpPortsMsg(Object httpPort, Object httpsPort) {
 589                 return "HTTP " + httpPort + (httpsPort != null ? " - HTTPS " + httpsPort : "");
 590         }
 591
 592         @Override
 593         public Locale getDefaultLocale() {
 594                 return defaultLocale;
 595         }
 596
 597         /** Can be null. */
 598         @Override
 599         public List<Locale> getLocales() {
 600                 return locales;
 601         }
 602
 603         final private static void directorsCut(long initDuration) {
 604                 // final long ms = 128l + (long) (Math.random() * 128d);
 605                 long ms = initDuration / 100;
 606                 log.info("Spend " + ms + "ms" + " reflecting on the progress brought to mankind" + " by Free Software...");
 607                 long beginNano = System.nanoTime();
 608                 try {
 609                         Thread.sleep(ms, 0);
 610                 } catch (InterruptedException e) {
 611                         // silent
 612                 }
 613                 long durationNano = System.nanoTime() - beginNano;
 614                 final double M = 1000d * 1000d;
 615                 double sleepAccuracy = ((double) durationNano) / (ms * M);
 616                 if (log.isDebugEnabled())
 617                         log.debug("Sleep accuracy: " + String.format("%.2f", 100 - (sleepAccuracy * 100 - 100)) + " %");
 618         }
 619
 620         /** Workaround for blocking Gogo shell by system shutdown. */
 621         private class GogoShellKiller extends Thread {
 622
 623                 public GogoShellKiller() {
 624                         super("Gogo shell killer");
 625                         setDaemon(true);
 626                 }
 627
 628                 @Override
 629                 public void run() {
 630                         ThreadGroup rootTg = getRootThreadGroup(null);
 631                         Thread gogoShellThread = findGogoShellThread(rootTg);
 632                         if (gogoShellThread == null)
 633                                 return;
 634                         while (getNonDaemonCount(rootTg) > 2) {
 635                                 try {
 636                                         Thread.sleep(100);
 637                                 } catch (InterruptedException e) {
 638                                         // silent
 639                                 }
 640                         }
 641                         gogoShellThread = findGogoShellThread(rootTg);
 642                         if (gogoShellThread == null)
 643                                 return;
 644                         System.exit(0);
 645                 }
 646         }
 647
 648         private static ThreadGroup getRootThreadGroup(ThreadGroup tg) {
 649                 if (tg == null)
 650                         tg = Thread.currentThread().getThreadGroup();
 651                 if (tg.getParent() == null)
 652                         return tg;
 653                 else
 654                         return getRootThreadGroup(tg.getParent());
 655         }
 656
 657         private static int getNonDaemonCount(ThreadGroup rootThreadGroup) {
 658                 Thread[] threads = new Thread[rootThreadGroup.activeCount()];
 659                 rootThreadGroup.enumerate(threads);
 660                 int nonDameonCount = 0;
 661                 for (Thread t : threads)
 662                         if (t != null && !t.isDaemon())
 663                                 nonDameonCount++;
 664                 return nonDameonCount;
 665         }
 666
 667         private static Thread findGogoShellThread(ThreadGroup rootThreadGroup) {
 668                 Thread[] threads = new Thread[rootThreadGroup.activeCount()];
 669                 rootThreadGroup.enumerate(threads, true);
 670                 for (Thread thread : threads) {
 671                         if (thread.getName().equals("Gogo shell"))
 672                                 return thread;
 673                 }
 674                 return null;
 675         }
 676
 677 }