]> git.argeo.org Git - lgpl/argeo-commons.git/blobdiff - org.argeo.cms/src/org/argeo/cms/internal/kernel/Kernel.java
Improve logging.
[lgpl/argeo-commons.git] / org.argeo.cms / src / org / argeo / cms / internal / kernel / Kernel.java
index c6a1630ae51c88db1032c4af72923e029346d7ed..af4f0ff2a75cd868d7597f42f35b63d0d9a8c9ae 100644 (file)
@@ -1,13 +1,26 @@
 package org.argeo.cms.internal.kernel;
 
+import java.lang.management.ManagementFactory;
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.jcr.Repository;
 import javax.jcr.RepositoryFactory;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+import org.apache.jackrabbit.util.TransientFileFactory;
 import org.argeo.ArgeoException;
+import org.argeo.cms.CmsException;
 import org.argeo.jackrabbit.OsgiJackrabbitRepositoryFactory;
+import org.argeo.jcr.ArgeoJcrConstants;
 import org.argeo.security.core.InternalAuthentication;
+import org.eclipse.equinox.http.servlet.ExtendedHttpService;
 import org.osgi.framework.BundleContext;
+import org.osgi.framework.ServiceEvent;
+import org.osgi.framework.ServiceListener;
+import org.osgi.framework.ServiceReference;
+import org.osgi.util.tracker.ServiceTracker;
 import org.springframework.security.core.context.SecurityContextHolder;
 
 /**
@@ -21,58 +34,154 @@ import org.springframework.security.core.context.SecurityContextHolder;
  * <li>OS access</li>
  * </ul>
  */
-final class Kernel {
+final class Kernel implements ServiceListener {
        private final static Log log = LogFactory.getLog(Kernel.class);
 
-       private final BundleContext bundleContext;
-
-       private JackrabbitNode node;
-       private OsgiJackrabbitRepositoryFactory repositoryFactory;
-       private NodeSecurity nodeSecurity;
-       private NodeHttpFilter httpFilter;
+       private final BundleContext bundleContext = Activator.getBundleContext();
 
-       Kernel(BundleContext bundleContext) {
-               this.bundleContext = bundleContext;
-       }
+       ThreadGroup threadGroup = new ThreadGroup(Kernel.class.getSimpleName());
+       JackrabbitNode node;
+       OsgiJackrabbitRepositoryFactory repositoryFactory;
+       NodeSecurity nodeSecurity;
+       NodeHttp nodeHttp;
+       private KernelThread kernelThread;
 
        void init() {
+               ClassLoader currentContextCl = Thread.currentThread()
+                               .getContextClassLoader();
+               Thread.currentThread().setContextClassLoader(
+                               Kernel.class.getClassLoader());
                long begin = System.currentTimeMillis();
                InternalAuthentication initAuth = new InternalAuthentication(
                                KernelConstants.DEFAULT_SECURITY_KEY);
                SecurityContextHolder.getContext().setAuthentication(initAuth);
 
                try {
+                       // Jackrabbit node
                        node = new JackrabbitNode(bundleContext);
+
+                       // JCR repository factory
                        repositoryFactory = new OsgiJackrabbitRepositoryFactory();
+
+                       // Authentication
                        nodeSecurity = new NodeSecurity(bundleContext, node);
-                       httpFilter = new NodeHttpFilter(bundleContext, nodeSecurity);
 
-                       // Publish services to OSGi register
+                       // Equinox dependency
+                       ExtendedHttpService httpService = waitForHttpService();
+                       nodeHttp = new NodeHttp(httpService, node, nodeSecurity);
+
+                       // Kernel thread
+                       kernelThread = new KernelThread(this);
+                       kernelThread.setContextClassLoader(Kernel.class.getClassLoader());
+                       kernelThread.start();
+
+                       // Publish services to OSGi
                        nodeSecurity.publish();
-                       node.publish();
+                       node.publish(repositoryFactory);
                        bundleContext.registerService(RepositoryFactory.class,
                                        repositoryFactory, null);
-                       httpFilter.publish();
+
+                       bundleContext.addServiceListener(Kernel.this);
                } catch (Exception e) {
                        log.error("Cannot initialize Argeo CMS", e);
                        throw new ArgeoException("Cannot initialize", e);
+               } finally {
+                       Thread.currentThread().setContextClassLoader(currentContextCl);
                }
 
-               long duration = System.currentTimeMillis() - begin;
-               log.info("## ARGEO CMS UP in " + (duration / 1000) + "."
-                               + (duration % 1000) + "s ##");
+               long jvmUptime = ManagementFactory.getRuntimeMXBean().getUptime();
+               log.info("## ARGEO CMS UP in " + (jvmUptime / 1000) + "."
+                               + (jvmUptime % 1000) + "s ##");
+               long initDuration = System.currentTimeMillis() - begin;
+               if (log.isTraceEnabled())
+                       log.trace("Kernel initialization took " + initDuration + "ms");
+               directorsCut(initDuration);
        }
 
        void destroy() {
                long begin = System.currentTimeMillis();
 
-               httpFilter = null;
-               nodeSecurity.destroy();
-               node.destroy();
+               kernelThread.destroyAndJoin();
+
+               if (nodeHttp != null)
+                       nodeHttp.destroy();
+               if (nodeSecurity != null)
+                       nodeSecurity.destroy();
+               if (node != null)
+                       node.destroy();
+
+               bundleContext.removeServiceListener(this);
+
+               // Clean hanging threads from Jackrabbit
+               TransientFileFactory.shutdown();
 
                long duration = System.currentTimeMillis() - begin;
                log.info("## ARGEO CMS DOWN in " + (duration / 1000) + "."
                                + (duration % 1000) + "s ##");
        }
 
-}
+       @Override
+       public void serviceChanged(ServiceEvent event) {
+               ServiceReference<?> sr = event.getServiceReference();
+               Object jcrRepoAlias = sr
+                               .getProperty(ArgeoJcrConstants.JCR_REPOSITORY_ALIAS);
+               if (jcrRepoAlias != null) {// JCR repository
+                       String alias = jcrRepoAlias.toString();
+                       Repository repository = (Repository) bundleContext.getService(sr);
+                       Map<String, Object> props = new HashMap<String, Object>();
+                       for (String key : sr.getPropertyKeys())
+                               props.put(key, sr.getProperty(key));
+                       if (ServiceEvent.REGISTERED == event.getType()) {
+                               try {
+                                       repositoryFactory.register(repository, props);
+                                       nodeHttp.registerRepositoryServlets(alias, repository);
+                               } catch (Exception e) {
+                                       throw new CmsException("Could not publish JCR repository "
+                                                       + alias, e);
+                               }
+                       } else if (ServiceEvent.UNREGISTERING == event.getType()) {
+                               repositoryFactory.unregister(repository, props);
+                               nodeHttp.unregisterRepositoryServlets(alias);
+                       }
+               }
+
+       }
+
+       private ExtendedHttpService waitForHttpService() {
+               final ServiceTracker<ExtendedHttpService, ExtendedHttpService> st = new ServiceTracker<ExtendedHttpService, ExtendedHttpService>(
+                               bundleContext, ExtendedHttpService.class, null);
+               st.open();
+               ExtendedHttpService httpService;
+               try {
+                       httpService = st.waitForService(1000);
+               } catch (InterruptedException e) {
+                       httpService = null;
+               }
+
+               if (httpService == null)
+                       throw new CmsException("Could not find "
+                                       + ExtendedHttpService.class + " service.");
+               return httpService;
+       }
+
+       final private static void directorsCut(long initDuration) {
+               // final long ms = 128l + (long) (Math.random() * 128d);
+               long ms = initDuration / 100;
+               log.info("Spend " + ms + "ms"
+                               + " reflecting on the progress brought to mankind"
+                               + " by Free Software...");
+               long beginNano = System.nanoTime();
+               try {
+                       Thread.sleep(ms, 0);
+               } catch (InterruptedException e) {
+                       // silent
+               }
+               long durationNano = System.nanoTime() - beginNano;
+               final double M = 1000d * 1000d;
+               double sleepAccuracy = ((double) durationNano) / (ms * M);
+               if (log.isDebugEnabled())
+                       log.debug("Sleep accuracy: "
+                                       + String.format("%.2f", 100 - (sleepAccuracy * 100 - 100))
+                                       + " %");
+       }
+}
\ No newline at end of file