org.argeo.cms/src/org/argeo/cms/internal/kernel/Kernel.java

   1 package org.argeo.cms.internal.kernel;
   2
   3 import java.lang.management.ManagementFactory;
   4
   5 import javax.jcr.RepositoryFactory;
   6
   7 import org.apache.commons.logging.Log;
   8 import org.apache.commons.logging.LogFactory;
   9 import org.apache.jackrabbit.util.TransientFileFactory;
  10 import org.argeo.ArgeoException;
  11 import org.argeo.jackrabbit.OsgiJackrabbitRepositoryFactory;
  12 import org.argeo.security.core.InternalAuthentication;
  13 import org.osgi.framework.BundleContext;
  14 import org.springframework.security.core.context.SecurityContextHolder;
  15
  16 /**
  17  * Argeo CMS Kernel. Responsible for :
  18  * <ul>
  19  * <li>security</li>
  20  * <li>provisioning</li>
  21  * <li>transaction</li>
  22  * <li>logging</li>
  23  * <li>local and remote file systems access</li>
  24  * <li>OS access</li>
  25  * </ul>
  26  */
  27 final class Kernel {
  28         private final static Log log = LogFactory.getLog(Kernel.class);
  29         // private static final String PROP_WORKBENCH_AUTOSTART =
  30         // "org.eclipse.rap.workbenchAutostart";
  31
  32         private final BundleContext bundleContext;
  33
  34         private JackrabbitNode node;
  35         private RepositoryFactory repositoryFactory;
  36         private NodeSecurity nodeSecurity;
  37         private NodeHttp nodeHttp;
  38
  39         Kernel(BundleContext bundleContext) {
  40                 this.bundleContext = bundleContext;
  41         }
  42
  43         void init() {
  44                 ClassLoader currentContextCl = Thread.currentThread()
  45                                 .getContextClassLoader();
  46                 // We use the CMS bundle classloader during initialization
  47                 Thread.currentThread().setContextClassLoader(
  48                                 Kernel.class.getClassLoader());
  49
  50                 long begin = System.currentTimeMillis();
  51                 InternalAuthentication initAuth = new InternalAuthentication(
  52                                 KernelConstants.DEFAULT_SECURITY_KEY);
  53                 SecurityContextHolder.getContext().setAuthentication(initAuth);
  54
  55                 try {
  56                         node = new JackrabbitNode(bundleContext);
  57                         repositoryFactory = new OsgiJackrabbitRepositoryFactory();
  58                         nodeSecurity = new NodeSecurity(bundleContext, node);
  59                         nodeHttp = new NodeHttp(bundleContext, node, nodeSecurity);
  60
  61                         // Publish services to OSGi
  62                         nodeSecurity.publish();
  63                         node.publish();
  64                         bundleContext.registerService(RepositoryFactory.class,
  65                                         repositoryFactory, null);
  66                         nodeHttp.publish();
  67                 } catch (Exception e) {
  68                         log.error("Cannot initialize Argeo CMS", e);
  69                         throw new ArgeoException("Cannot initialize", e);
  70                 } finally {
  71                         Thread.currentThread().setContextClassLoader(currentContextCl);
  72                 }
  73
  74                 long jvmUptime = ManagementFactory.getRuntimeMXBean().getUptime();
  75                 log.info("## ARGEO CMS UP in " + (jvmUptime / 1000) + "."
  76                                 + (jvmUptime % 1000) + "s ##");
  77                 long initDuration = System.currentTimeMillis() - begin;
  78                 if (log.isTraceEnabled())
  79                         log.trace("Kernel initialization took " + initDuration + "ms");
  80                 directorsCut(initDuration);
  81         }
  82
  83         void destroy() {
  84                 long begin = System.currentTimeMillis();
  85
  86                 nodeHttp = null;
  87                 nodeSecurity.destroy();
  88                 node.destroy();
  89
  90                 // Clean hanging threads from Jackrabbit
  91                 TransientFileFactory.shutdown();
  92
  93                 long duration = System.currentTimeMillis() - begin;
  94                 log.info("## ARGEO CMS DOWN in " + (duration / 1000) + "."
  95                                 + (duration % 1000) + "s ##");
  96         }
  97
  98         private void directorsCut(long initDuration) {
  99                 // final long ms = 128l + (long) (Math.random() * 128d);
 100                 long ms = initDuration / 10;
 101                 log.info("Spend " + ms + "ms"
 102                                 + " reflecting on the progress brought to mankind"
 103                                 + " by Free Software...");
 104                 long beginNano = System.nanoTime();
 105                 try {
 106                         Thread.sleep(ms, 0);
 107                 } catch (InterruptedException e) {
 108                         // silent
 109                 }
 110                 long durationNano = System.nanoTime() - beginNano;
 111                 final double M = 1000d * 1000d;
 112                 double sleepAccuracy = ((double) durationNano) / (ms * M);
 113                 if (log.isDebugEnabled())
 114                         log.debug("Sleep accuracy: "
 115                                         + String.format("%.2f", sleepAccuracy * 100) + " %");
 116         }
 117
 118 }