From e064284d040c3d41a14a234f0202eb3fc478bf02 Mon Sep 17 00:00:00 2001
From: Martin Ritchie <ritchiem@apache.org>
Date: Fri, 7 May 2010 15:13:44 +0000
Subject: QPID-2585 : Upgrade to Felix 2.0.5

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk/qpid@942114 13f79535-47bb-0310-9956-ffa450edef68
---
 java/broker/etc/config.xml                         |   2 +
 .../apache/qpid/server/plugins/PluginManager.java  | 267 +++++++++++++++------
 2 files changed, 189 insertions(+), 80 deletions(-)

(limited to 'java/broker')

diff --git a/java/broker/etc/config.xml b/java/broker/etc/config.xml
index fd5d84a1e8..2f78003afb 100644
--- a/java/broker/etc/config.xml
+++ b/java/broker/etc/config.xml
@@ -23,6 +23,8 @@
     <prefix>${QPID_HOME}</prefix>
     <work>${QPID_WORK}</work>
     <conf>${prefix}/etc</conf>
+
+    <plugin-directory>${QPID_HOME}/lib/plugins</plugin-directory>
     
     <connector>
         <!-- To enable SSL edit the keystorePath and keystorePassword
diff --git a/java/broker/src/main/java/org/apache/qpid/server/plugins/PluginManager.java b/java/broker/src/main/java/org/apache/qpid/server/plugins/PluginManager.java
index 0911c73fe7..171de7a701 100644
--- a/java/broker/src/main/java/org/apache/qpid/server/plugins/PluginManager.java
+++ b/java/broker/src/main/java/org/apache/qpid/server/plugins/PluginManager.java
@@ -19,16 +19,12 @@
 
 package org.apache.qpid.server.plugins;
 
-import java.io.File;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
+import org.apache.commons.configuration.ConfigurationException;
 import org.apache.felix.framework.Felix;
 import org.apache.felix.framework.cache.BundleCache;
 import org.apache.felix.framework.util.FelixConstants;
 import org.apache.felix.framework.util.StringMap;
+import org.apache.qpid.server.configuration.plugin.ConfigurationPluginFactory;
 import org.apache.qpid.server.exchange.ExchangeType;
 import org.apache.qpid.server.security.access.ACLPlugin;
 import org.apache.qpid.server.security.access.ACLPluginFactory;
@@ -37,155 +33,266 @@ import org.apache.qpid.server.security.access.plugins.DenyAll;
 import org.apache.qpid.server.security.access.plugins.LegacyAccessPlugin;
 import org.apache.qpid.server.security.access.plugins.SimpleXML;
 import org.apache.qpid.server.security.access.plugins.network.FirewallPlugin;
+import org.apache.qpid.server.virtualhost.plugin.VirtualHostPluginFactory;
 import org.osgi.framework.BundleActivator;
 import org.osgi.framework.BundleException;
 import org.osgi.util.tracker.ServiceTracker;
 
+import java.io.File;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
 /**
- * 
  * @author aidan
- * 
- * Provides access to pluggable elements, such as exchanges
+ *
+ *         Provides access to pluggable elements, such as exchanges
  */
 
 public class PluginManager
 {
-    private Felix _felix = null;
     private ServiceTracker _exchangeTracker = null;
     private ServiceTracker _securityTracker = null;
-    private Activator _activator = null;
-    private boolean _empty;
+    private ServiceTracker _configTracker = null;
+    private ServiceTracker _virtualHostTracker = null;
+
+    private Felix _felix;
+
+    Activator _activator;
+
     private Map<String, ACLPluginFactory> _securityPlugins;
+    private static final int FELIX_STOP_TIMEOUT = 30000;
 
     public PluginManager(String plugindir) throws Exception
     {
         StringMap configMap = new StringMap(false);
 
-        // Tell felix it's being embedded
-        configMap.put(FelixConstants.EMBEDDED_EXECUTION_PROP, "true");
         // Add the bundle provided service interface package and the core OSGi
         // packages to be exported from the class path via the system bundle.
-        configMap.put(FelixConstants.FRAMEWORK_SYSTEMPACKAGES, "org.osgi.framework; version=1.3.0,"
-                + "org.osgi.service.packageadmin; version=1.2.0," + 
-                "org.osgi.service.startlevel; version=1.0.0," + 
-                "org.osgi.service.url; version=1.0.0," + 
-                "org.osgi.util.tracker; version=1.0.0,"+
-                "org.apache.qpid.junit.extensions.util; version=0.7," +
-                "org.apache.qpid; version=0.7," +
-                "org.apache.qpid.framing; version=0.7," +
-                "org.apache.qpid.protocol; version=0.7," +
-                "org.apache.qpid.server.exchange; version=0.7," +
-                "org.apache.qpid.server.management; version=0.7,"+
-                "org.apache.qpid.server.protocol; version=0.7,"+
-                "org.apache.qpid.server.virtualhost; version=0.7," +
-                "org.apache.qpid.server.registry; version=0.7," +
-                "org.apache.qpid.server.queue; version=0.7," +
-                "org.apache.qpid.server.binding; version=0.7," +
-                "org.apache.qpid.server.configuration; version=0.7," +
-                "org.apache.qpid.server.configuration.management; version=0.7," +
-                "org.apache.qpid.server.persistent; version=0.7," +
-                "org.apache.qpid.server.plugins; version=0.7," +           
-                "org.apache.qpid.server.queue; version=0.7," +
-                "org.apache.qpid.server.security; version=0.7," + 
-                "org.apache.qpid.framing.AMQShortString; version=0.7," + 
-                "org.apache.qpid.server.queue.AMQQueue; version=0.7," +
-                "org.apache.qpid.server.security.access; version=0.7,"+
-                "org.apache.commons.configuration; version=0.7," +
-                "javax.management.openmbean; version=1.0.0,"+
-                "javax.management; version=1.0.0,"
-                );
-        
+        configMap.put(FelixConstants.FRAMEWORK_SYSTEMPACKAGES,
+                      "org.osgi.framework; version=1.3.0," +
+                      "org.osgi.service.packageadmin; version=1.2.0," +
+                      "org.osgi.service.startlevel; version=1.0.0," +
+                      "org.osgi.service.url; version=1.0.0," +
+                      "org.osgi.util.tracker; version=1.0.0," +
+                      "org.apache.qpid.junit.extensions.util; version=0.7," +
+                      "org.apache.qpid; version=0.7," +
+                      "org.apache.qpid.framing; version=0.7," +
+                      "org.apache.qpid.protocol; version=0.7," +
+                      "org.apache.qpid.server.exchange; version=0.7," +
+                      "org.apache.qpid.server.management; version=0.7," +
+                      "org.apache.qpid.server.protocol; version=0.7," +
+                      "org.apache.qpid.server.virtualhost; version=0.7," +
+                      "org.apache.qpid.server.virtualhost.plugin; version=0.7," +
+                      "org.apache.qpid.server.registry; version=0.7," +
+                      "org.apache.qpid.server.queue; version=0.7," +
+                      "org.apache.qpid.server.binding; version=0.7," +
+                      "org.apache.qpid.server.configuration; version=0.7," +
+                      "org.apache.qpid.server.configuration.plugin; version=0.7," +
+                      "org.apache.qpid.server.configuration.management; version=0.7," +
+                      "org.apache.qpid.server.persistent; version=0.7," +
+                      "org.apache.qpid.server.plugins; version=0.7," +
+                      "org.apache.qpid.server.queue; version=0.7," +
+                      "org.apache.qpid.server.security; version=0.7," +
+                      "org.apache.qpid.framing.AMQShortString; version=0.7," +
+                      "org.apache.qpid.server.queue.AMQQueue; version=0.7," +
+                      "org.apache.qpid.server.security.access; version=0.7," +
+                      "org.apache.commons.configuration; version=0.7," +
+                      "org.apache.log4j; version=1.2.12," +
+                      "javax.management.openmbean; version=1.0.0," +
+                      "javax.management; version=1.0.0,"
+        );
+
         if (plugindir == null)
         {
-        	_empty = true;
             return;
         }
-        
+
         // Set the list of bundles to load
         File dir = new File(plugindir);
         if (!dir.exists())
-        {	
-        	_empty = true;
+        {
             return;
-        } 
-        
+        }
+
         StringBuffer pluginJars = new StringBuffer();
-        
+
         if (dir.isDirectory())
         {
             for (String child : dir.list())
             {
                 if (child.endsWith("jar"))
                 {
-                    pluginJars.append(String.format(" file:%s%s%s", plugindir,File.separator,child));
+                    pluginJars.append(String.format(" file:%s%s%s", plugindir, File.separator, child));
                 }
             }
         }
-        
+
         if (pluginJars.length() == 0)
         {
-            _empty = true;
             return;
         }
-            
-        configMap.put(FelixConstants.AUTO_START_PROP + ".1", pluginJars.toString());
-        configMap.put(BundleCache.CACHE_PROFILE_DIR_PROP, plugindir);
-        
+
+//        configMap.put(FelixConstants.AUTO_START_PROP + ".1", pluginJars.toString());
+//        configMap.put(BundleCache.CACHE_PROFILE_DIR_PROP, plugindir);
+
+        configMap.put("felix.auto.start.1", pluginJars.toString());
+        configMap.put("felix.shutdown.hook","false");
+        configMap.put(FelixConstants.FRAMEWORK_STORAGE, plugindir);
+
+
         List<BundleActivator> activators = new ArrayList<BundleActivator>();
         _activator = new Activator();
         activators.add(_activator);
+        configMap.put(FelixConstants.SYSTEMBUNDLE_ACTIVATORS_PROP, activators);
 
-        _felix = new Felix(configMap, activators);
+        _felix = new Felix(configMap);
         try
         {
+            System.out.println("Starting Plugin manager");
+
             _felix.start();
-              
+
+            System.out.println("Started Plugin manager");
+
             _exchangeTracker = new ServiceTracker(_activator.getContext(), ExchangeType.class.getName(), null);
             _exchangeTracker.open();
-            
+
             _securityTracker = new ServiceTracker(_activator.getContext(), ACLPlugin.class.getName(), null);
             _securityTracker.open();
-             
+
+            _configTracker = new ServiceTracker(_activator.getContext(), ConfigurationPluginFactory.class.getName(), null);
+            _configTracker.open();
+
+            _virtualHostTracker = new ServiceTracker(_activator.getContext(), VirtualHostPluginFactory.class.getName(), null);
+            _virtualHostTracker.open();
+
         }
         catch (BundleException e)
         {
-            throw new Exception("Could not create bundle");
+            throw new ConfigurationException("Could not start PluginManager:" + e.getMessage(), e);
         }
     }
 
     private <T> Map<String, T> getServices(ServiceTracker tracker)
-    {   
-        Map<String, T>services = new HashMap<String, T>();
-        
+    {
+        Map<String, T> services = new HashMap<String, T>();
+
         if ((tracker != null) && (tracker.getServices() != null))
         {
             for (Object service : tracker.getServices())
             {
-                services.put(service.getClass().getName(), (T) service);
+                if (service instanceof PluginFactory)
+                {
+                    services.put(((PluginFactory) service).getPluginName(), (T) service);
+                }
+                else
+                {
+                    services.put(service.getClass().getName(), (T) service);
+                }
             }
-        } 
-        
+        }
+
         return services;
     }
-    
+
     public Map<String, ExchangeType<?>> getExchanges()
     {
         return getServices(_exchangeTracker);
     }
-    
+
     public Map<String, ACLPluginFactory> getSecurityPlugins()
     {
-        if (_securityPlugins == null)
+        _securityPlugins = getServices(_securityTracker);
+        // A little gross that we have to add them here, but not all the plugins are OSGIfied
+        _securityPlugins.put(SimpleXML.class.getName(), SimpleXML.FACTORY);
+        _securityPlugins.put(AllowAll.class.getName(), AllowAll.FACTORY);
+        _securityPlugins.put(DenyAll.class.getName(), DenyAll.FACTORY);
+        _securityPlugins.put(LegacyAccessPlugin.class.getName(), LegacyAccessPlugin.FACTORY);
+        _securityPlugins.put(FirewallPlugin.class.getName(), FirewallPlugin.FACTORY);
+
+        return _securityPlugins;
+    }
+
+    public Map<String, ConfigurationPluginFactory> getConfigurationPlugins()
+    {
+        Map<String, ConfigurationPluginFactory> services = new HashMap<String, ConfigurationPluginFactory>();
+
+        if ((_configTracker != null) && (_configTracker.getServices() != null))
         {
-            _securityPlugins = getServices(_securityTracker);
-            // A little gross that we have to add them here, but not all the plugins are OSGIfied
-            _securityPlugins.put(SimpleXML.class.getName(), SimpleXML.FACTORY);
-            _securityPlugins.put(AllowAll.class.getName(), AllowAll.FACTORY);
-            _securityPlugins.put(DenyAll.class.getName(), DenyAll.FACTORY);
-            _securityPlugins.put(LegacyAccessPlugin.class.getName(), LegacyAccessPlugin.FACTORY);
-            _securityPlugins.put(FirewallPlugin.class.getName(), FirewallPlugin.FACTORY);
+            for (Object service : _configTracker.getServices())
+            {
+                for (String parent : ((ConfigurationPluginFactory) service).getParentPaths())
+                {
+                    services.put(parent, ((ConfigurationPluginFactory) service));
+                }
+            }
+        }
+
+        return services;
+
+    }
+
+    public Map<String, VirtualHostPluginFactory> getVirtualHostPlugins()
+    {
+        return getServices(_virtualHostTracker);
+    }
+
+    public <P extends PluginFactory> Map<String, P> getPlugins(Class<P> plugin)
+    {
+        ServiceTracker tracker = new ServiceTracker(_activator.getContext(), plugin.getName(), null);
+        tracker.open();
+
+        try
+        {
+            return getServices(tracker);
+        }
+        finally
+        {
+            tracker.close();
+        }
+    }
+
+    public void close()
+    {
+        if (_felix != null)
+        {
+            try
+            {
+                _exchangeTracker.close();
+
+                _securityTracker.close();
+
+                _configTracker.close();
+
+                _virtualHostTracker.close();
+            }
+            finally
+            {
+                System.out.println("Stopping Plugin manager");
+                //fixme should be stopAndWait() but hangs VM, need upgrade in felix
+                try
+                {
+                    _felix.stop();
+                }
+                catch (BundleException e)
+                {
+                    //ignore
+                }
+
+                try
+                {
+                    _felix.waitForStop(FELIX_STOP_TIMEOUT);
+                }
+                catch (InterruptedException e)
+                {
+                    //ignore
+                }
+
+                System.out.println("Stopped Plugin manager");
+            }
         }
-        return _securityPlugins;
     }
 
 }
-- 
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