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Posted to commits@qpid.apache.org by gr...@apache.org on 2010/10/25 03:14:26 UTC

svn commit: r1026929 - in /qpid/trunk/qpid/java/broker-plugins/experimental/shutdown: ./ src/ src/main/ src/main/java/ src/main/java/org/ src/main/java/org/apache/ src/main/java/org/apache/qpid/ src/main/java/org/apache/qpid/shutdown/

Author: grkvlt
Date: Mon Oct 25 01:14:25 2010
New Revision: 1026929

URL: http://svn.apache.org/viewvc?rev=1026929&view=rev
Log:
QPID-2768: OSGI Shutdown module

Patch from Sorin S <ss...@gmail.com>

Added:
    qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/
    qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/MANIFEST.MF   (with props)
    qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/build.xml   (with props)
    qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/src/
    qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/src/main/
    qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/src/main/java/
    qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/src/main/java/org/
    qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/src/main/java/org/apache/
    qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/src/main/java/org/apache/qpid/
    qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/src/main/java/org/apache/qpid/shutdown/
    qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/src/main/java/org/apache/qpid/shutdown/Activator.java   (with props)
    qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/src/main/java/org/apache/qpid/shutdown/Shutdown.java   (with props)
    qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/src/main/java/org/apache/qpid/shutdown/ShutdownMBean.java   (with props)
    qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/src/main/java/shutdown.bnd   (with props)

Added: qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/MANIFEST.MF
URL: http://svn.apache.org/viewvc/qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/MANIFEST.MF?rev=1026929&view=auto
==============================================================================
--- qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/MANIFEST.MF (added)
+++ qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/MANIFEST.MF Mon Oct 25 01:14:25 2010
@@ -0,0 +1,15 @@
+Manifest-Version: 1.0
+Bundle-ManifestVersion: 2
+Bundle-Name: Experimental Shutdown
+Bundle-Description: Experimental Qpid Broker Shutdown Plugin
+Bundle-License: http://www.apache.org/licenses/LICENSE-2.0.txt
+Bundle-DocURL: http://qpid.apache.org/
+Bundle-SymbolicName: broker-plugins-experimental-shutdown;singleton:=true
+Bundle-Version: 1.0.0
+Bundle-Activator: org.apache.qpid.shutdown.Activator
+Import-Package: javax.management;resolution:=optional,
+ org.apache.log4j,
+ org.osgi.framework
+Bundle-RequiredExecutionEnvironment: J2SE-1.5
+Bundle-ActivationPolicy: lazy
+

Propchange: qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/MANIFEST.MF
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    svn:keywords = Id

Added: qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/build.xml
URL: http://svn.apache.org/viewvc/qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/build.xml?rev=1026929&view=auto
==============================================================================
--- qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/build.xml (added)
+++ qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/build.xml Mon Oct 25 01:14:25 2010
@@ -0,0 +1,32 @@
+<!--
+ -
+ - Licensed to the Apache Software Foundation (ASF) under one
+ - or more contributor license agreements.  See the NOTICE file
+ - distributed with this work for additional information
+ - regarding copyright ownership.  The ASF licenses this file
+ - to you under the Apache License, Version 2.0 (the
+ - "License"); you may not use this file except in compliance
+ - with the License.  You may obtain a copy of the License at
+ - 
+ -   http://www.apache.org/licenses/LICENSE-2.0
+ - 
+ - Unless required by applicable law or agreed to in writing,
+ - software distributed under the License is distributed on an
+ - "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ - KIND, either express or implied.  See the License for the
+ - specific language governing permissions and limitations
+ - under the License.
+ -
+ -->
+<project name="AMQ Broker Shutdown Plugin" default="build">
+
+    <property name="module.depends" value="common broker broker-plugins"/>
+    <property name="module.test.depends" value="test broker/test management/common client systests"/>
+    <property name="module.manifest" value="MANIFEST.MF"/>
+    <property name="module.plugin" value="true"/>
+
+    <import file="../../../module.xml"/>
+
+    <target name="bundle" depends="bundle-tasks"/>
+
+</project>

Propchange: qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/build.xml
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    svn:keywords = Id

Added: qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/src/main/java/org/apache/qpid/shutdown/Activator.java
URL: http://svn.apache.org/viewvc/qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/src/main/java/org/apache/qpid/shutdown/Activator.java?rev=1026929&view=auto
==============================================================================
--- qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/src/main/java/org/apache/qpid/shutdown/Activator.java (added)
+++ qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/src/main/java/org/apache/qpid/shutdown/Activator.java Mon Oct 25 01:14:25 2010
@@ -0,0 +1,63 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one
+ *  or more contributor license agreements.  See the NOTICE file
+ *  distributed with this work for additional information
+ *  regarding copyright ownership.  The ASF licenses this file
+ *  to you under the Apache License, Version 2.0 (the
+ *  "License"); you may not use this file except in compliance
+ *  with the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing,
+ *  software distributed under the License is distributed on an
+ *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ *  KIND, either express or implied.  See the License for the
+ *  specific language governing permissions and limitations
+ *  under the License.
+ *
+ */
+package org.apache.qpid.shutdown;
+
+import java.lang.management.ManagementFactory;
+
+import javax.management.MBeanServer;
+import javax.management.ObjectName;
+
+import org.apache.log4j.Logger;
+import org.osgi.framework.BundleActivator;
+import org.osgi.framework.BundleContext;
+
+public class Activator implements BundleActivator
+{
+    private static final Logger _logger = Logger.getLogger(Activator.class);
+    
+    private static final String SHUTDOWN_MBEAN_NAME = "org.apache.qpid:type=ShutdownMBean";
+    
+	/** @see org.osgi.framework.BundleActivator#start(org.osgi.framework.BundleContext) */
+	public void start(BundleContext ctx) throws Exception {
+	    Shutdown shutdown = new Shutdown();
+	    if (ctx != null)
+        {
+            ctx.registerService(ShutdownMBean.class.getName(), shutdown, null);
+        }
+
+	    // MBean registration
+	    MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
+        ObjectName name = new ObjectName(SHUTDOWN_MBEAN_NAME);
+        mbs.registerMBean(shutdown, name);
+
+        _logger.info("Shutdown plugin MBean registered");
+	}
+	
+	/** @see org.osgi.framework.BundleActivator#stop(org.osgi.framework.BundleContext) */
+	public void stop(BundleContext ctx) throws Exception
+	{
+	    // Unregister MBean
+	    MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
+        ObjectName name = new ObjectName(SHUTDOWN_MBEAN_NAME);
+	    mbs.unregisterMBean(name);
+ 
+        _logger.info("Shutdown plugin MBean unregistered");
+	}
+}

Propchange: qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/src/main/java/org/apache/qpid/shutdown/Activator.java
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    svn:keywords = Id

Added: qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/src/main/java/org/apache/qpid/shutdown/Shutdown.java
URL: http://svn.apache.org/viewvc/qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/src/main/java/org/apache/qpid/shutdown/Shutdown.java?rev=1026929&view=auto
==============================================================================
--- qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/src/main/java/org/apache/qpid/shutdown/Shutdown.java (added)
+++ qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/src/main/java/org/apache/qpid/shutdown/Shutdown.java Mon Oct 25 01:14:25 2010
@@ -0,0 +1,104 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one
+ *  or more contributor license agreements.  See the NOTICE file
+ *  distributed with this work for additional information
+ *  regarding copyright ownership.  The ASF licenses this file
+ *  to you under the Apache License, Version 2.0 (the
+ *  "License"); you may not use this file except in compliance
+ *  with the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing,
+ *  software distributed under the License is distributed on an
+ *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ *  KIND, either express or implied.  See the License for the
+ *  specific language governing permissions and limitations
+ *  under the License.
+ *
+ */
+package org.apache.qpid.shutdown;
+
+import java.text.DateFormat;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.ScheduledThreadPoolExecutor;
+import java.util.concurrent.TimeUnit;
+
+import org.apache.log4j.Logger;
+
+/**
+ * Implementation of the JMX broker shutdown plugin.
+ */
+public class Shutdown implements ShutdownMBean
+{
+    private static final Logger _logger = Logger.getLogger(Shutdown.class);
+
+    private static final String FORMAT = "yyyyy/MM/dd hh:mm:ss";
+    private static final int THREAD_COUNT = 1;
+    private static final ScheduledExecutorService EXECUTOR = new ScheduledThreadPoolExecutor(THREAD_COUNT);
+
+    private final Runnable _shutdown = new SystemExiter();
+
+    /** @see ShutdownMBean#shutdown() */
+    public void shutdown()
+    {
+        _logger.info("Shutting down at user's request");
+        shutdownBroker(0);
+    }
+
+    /** @see ShutdownMBean#shutdown(long) */
+    public void shutdown(long delay)
+    {
+        _logger.info("Scheduled broker shutdown after " + delay + "ms");
+        shutdownBroker(delay);
+    }
+
+    /** @see ShutdownMBean#shutdownAt(String) */
+    public void shutdownAt(String when)
+    {
+        Date date;
+        DateFormat df = new SimpleDateFormat(FORMAT);
+        try
+        {
+            date = df.parse(when);
+        }
+        catch (ParseException e)
+        {
+            _logger.error("Invalid date \"" + when + "\": expecting " + FORMAT, e);
+            return;
+        }
+        _logger.info("Scheduled broker shutdown at " + when);
+        long now = System.currentTimeMillis();
+        long time = date.getTime();
+        if (time > now)
+        {
+            shutdownBroker(time - now);
+        }
+        else
+        {
+            shutdownBroker(0);
+        }
+    }
+
+    /**
+     * Submits the {@link SystemExiter} job to shutdown the broker.
+     */
+    private void shutdownBroker(long delay)
+    {
+        EXECUTOR.schedule(_shutdown, delay, TimeUnit.MILLISECONDS);
+    }
+
+    /**
+     * Shutting down the system in another thread to avoid JMX exceptions being thrown.
+     */
+    class SystemExiter implements Runnable
+    {
+        public void run()
+        {
+            System.exit(0);
+        }
+    }
+}

Propchange: qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/src/main/java/org/apache/qpid/shutdown/Shutdown.java
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Added: qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/src/main/java/org/apache/qpid/shutdown/ShutdownMBean.java
URL: http://svn.apache.org/viewvc/qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/src/main/java/org/apache/qpid/shutdown/ShutdownMBean.java?rev=1026929&view=auto
==============================================================================
--- qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/src/main/java/org/apache/qpid/shutdown/ShutdownMBean.java (added)
+++ qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/src/main/java/org/apache/qpid/shutdown/ShutdownMBean.java Mon Oct 25 01:14:25 2010
@@ -0,0 +1,47 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one
+ *  or more contributor license agreements.  See the NOTICE file
+ *  distributed with this work for additional information
+ *  regarding copyright ownership.  The ASF licenses this file
+ *  to you under the Apache License, Version 2.0 (the
+ *  "License"); you may not use this file except in compliance
+ *  with the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing,
+ *  software distributed under the License is distributed on an
+ *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ *  KIND, either express or implied.  See the License for the
+ *  specific language governing permissions and limitations
+ *  under the License.
+ *
+ */
+package org.apache.qpid.shutdown;
+
+/**
+ * Shutdown plugin JMX MBean interface.
+ * 
+ * Shuts the Qpid broker down via JMX.
+ */
+public interface ShutdownMBean
+{
+    /**
+     * Broker will be shut down immediately.
+     */
+    public void shutdown();
+
+    /**
+     * Broker will be shutdown after the specified delay
+     * 
+     * @param delay the number of ms to wait
+     */
+    public void shutdown(long delay);
+
+    /**
+     * Broker will be shutdown at the specified date and time.
+     * 
+     * @param when the date and time to shutdown
+     */
+    public void shutdownAt(String when);
+}

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Added: qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/src/main/java/shutdown.bnd
URL: http://svn.apache.org/viewvc/qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/src/main/java/shutdown.bnd?rev=1026929&view=auto
==============================================================================
--- qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/src/main/java/shutdown.bnd (added)
+++ qpid/trunk/qpid/java/broker-plugins/experimental/shutdown/src/main/java/shutdown.bnd Mon Oct 25 01:14:25 2010
@@ -0,0 +1,25 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+ver: 0.7.0
+
+Bundle-SymbolicName: qpid-shutdown-plugin
+Bundle-Version: ${ver}
+Export-Package: *;version=${ver}
+Bundle-RequiredExecutionEnvironment: J2SE-1.5

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