Author: andreas
Date: Fri Feb 15 08:45:46 2008
New Revision: 628114
URL: http://svn.apache.org/viewvc?rev=628114&view=rev
Log:
Adding monitoring module
Added:
lenya/trunk/src/modules-core/monitoring/
lenya/trunk/src/modules-core/monitoring/config/
lenya/trunk/src/modules-core/monitoring/config/module.xml
lenya/trunk/src/modules-core/monitoring/config/web-xml/
lenya/trunk/src/modules-core/monitoring/config/web-xml/sessionCountLogger.xweb
lenya/trunk/src/modules-core/monitoring/config/web-xml/sessionListener.xweb
lenya/trunk/src/modules-core/monitoring/java/
lenya/trunk/src/modules-core/monitoring/java/src/
lenya/trunk/src/modules-core/monitoring/java/src/org/
lenya/trunk/src/modules-core/monitoring/java/src/org/apache/
lenya/trunk/src/modules-core/monitoring/java/src/org/apache/lenya/
lenya/trunk/src/modules-core/monitoring/java/src/org/apache/lenya/modules/
lenya/trunk/src/modules-core/monitoring/java/src/org/apache/lenya/modules/monitoring/
lenya/trunk/src/modules-core/monitoring/java/src/org/apache/lenya/modules/monitoring/SessionCountLogger.java
lenya/trunk/src/modules-core/monitoring/java/src/org/apache/lenya/modules/monitoring/SessionListener.java
Added: lenya/trunk/src/modules-core/monitoring/config/module.xml
URL: http://svn.apache.org/viewvc/lenya/trunk/src/modules-core/monitoring/config/module.xml?rev=628114&view=auto
==============================================================================
--- lenya/trunk/src/modules-core/monitoring/config/module.xml (added)
+++ lenya/trunk/src/modules-core/monitoring/config/module.xml Fri Feb 15 08:45:46 2008
@@ -0,0 +1,26 @@
+<?xml version="1.0"?>
+<!--
+ 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.
+-->
+<module xmlns="http://apache.org/lenya/module/1.0">
+ <id>org.apache.lenya.modules.monitoring</id>
+ <export package="org.apache.lenya.modules.monitoring"/>
+ <package>org.apache.lenya.modules</package>
+ <version>0.0.3</version>
+ <name>Monitoring</name>
+ <lenya-version>@lenya.version@</lenya-version>
+ <description>Tools to monitor a Lenya application.</description>
+</module>
Added: lenya/trunk/src/modules-core/monitoring/config/web-xml/sessionCountLogger.xweb
URL: http://svn.apache.org/viewvc/lenya/trunk/src/modules-core/monitoring/config/web-xml/sessionCountLogger.xweb?rev=628114&view=auto
==============================================================================
--- lenya/trunk/src/modules-core/monitoring/config/web-xml/sessionCountLogger.xweb (added)
+++ lenya/trunk/src/modules-core/monitoring/config/web-xml/sessionCountLogger.xweb Fri Feb 15 08:45:46 2008
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ 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.
+-->
+<xweb xpath="/web-app"
+ unless="listener[normalize-space(listener-class) = 'org.apache.lenya.modules.monitoring.SessionCountLogger']"
+ insert-before="node()[1]">
+ <listener>
+ <listener-class>org.apache.lenya.modules.monitoring.SessionCountLogger</listener-class>
+ </listener>
+</xweb>
+
Added: lenya/trunk/src/modules-core/monitoring/config/web-xml/sessionListener.xweb
URL: http://svn.apache.org/viewvc/lenya/trunk/src/modules-core/monitoring/config/web-xml/sessionListener.xweb?rev=628114&view=auto
==============================================================================
--- lenya/trunk/src/modules-core/monitoring/config/web-xml/sessionListener.xweb (added)
+++ lenya/trunk/src/modules-core/monitoring/config/web-xml/sessionListener.xweb Fri Feb 15 08:45:46 2008
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ 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.
+-->
+<xweb xpath="/web-app"
+ unless="listener[normalize-space(listener-class) = 'org.apache.lenya.modules.monitoring.SessionListener']"
+ insert-before="node()[1]">
+ <listener>
+ <listener-class>org.apache.lenya.modules.monitoring.SessionListener</listener-class>
+ </listener>
+</xweb>
+
Added: lenya/trunk/src/modules-core/monitoring/java/src/org/apache/lenya/modules/monitoring/SessionCountLogger.java
URL: http://svn.apache.org/viewvc/lenya/trunk/src/modules-core/monitoring/java/src/org/apache/lenya/modules/monitoring/SessionCountLogger.java?rev=628114&view=auto
==============================================================================
--- lenya/trunk/src/modules-core/monitoring/java/src/org/apache/lenya/modules/monitoring/SessionCountLogger.java (added)
+++ lenya/trunk/src/modules-core/monitoring/java/src/org/apache/lenya/modules/monitoring/SessionCountLogger.java Fri Feb 15 08:45:46 2008
@@ -0,0 +1,52 @@
+/*
+ * 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.lenya.modules.monitoring;
+
+import javax.servlet.http.HttpSessionEvent;
+import javax.servlet.http.HttpSessionListener;
+
+import org.apache.log4j.Logger;
+
+/**
+ * Logs session information.
+ */
+public class SessionCountLogger implements HttpSessionListener {
+
+ protected Logger log = Logger.getLogger(SessionCountLogger.class);
+
+ private int sessionCount;
+
+ public SessionCountLogger() {
+ this.sessionCount = 0;
+ }
+
+ public void sessionCreated(HttpSessionEvent event) {
+ synchronized (this) {
+ this.sessionCount++;
+ }
+ log.info("Sessions: " + this.sessionCount);
+ }
+
+ public void sessionDestroyed(HttpSessionEvent event) {
+ synchronized (this) {
+ --this.sessionCount;
+ }
+ log.info("Sessions: " + this.sessionCount);
+ }
+
+}
Added: lenya/trunk/src/modules-core/monitoring/java/src/org/apache/lenya/modules/monitoring/SessionListener.java
URL: http://svn.apache.org/viewvc/lenya/trunk/src/modules-core/monitoring/java/src/org/apache/lenya/modules/monitoring/SessionListener.java?rev=628114&view=auto
==============================================================================
--- lenya/trunk/src/modules-core/monitoring/java/src/org/apache/lenya/modules/monitoring/SessionListener.java (added)
+++ lenya/trunk/src/modules-core/monitoring/java/src/org/apache/lenya/modules/monitoring/SessionListener.java Fri Feb 15 08:45:46 2008
@@ -0,0 +1,53 @@
+/*
+ * 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.lenya.modules.monitoring;
+
+/**
+ * A Listener which store the session object in a HashMap on creation and
+ * remove it if the session is destroyed.
+ *
+ * @version $Id: SessionListener.java 473861 2006-11-12 03:51:14Z gregor $
+ */
+
+import javax.servlet.http.*;
+import java.util.WeakHashMap;
+
+public class SessionListener implements HttpSessionListener {
+
+ private static WeakHashMap allSessions = new WeakHashMap();
+
+ public void sessionCreated(HttpSessionEvent se) {
+
+ HttpSession session = se.getSession();
+ String sessionID = session.getId();
+ allSessions.put(sessionID,session);
+ }
+
+ public void sessionDestroyed(HttpSessionEvent se) {
+ HttpSession session = se.getSession();
+ String sessionID = session.getId();
+ if (allSessions.containsKey(sessionID)) {
+ allSessions.remove(sessionID);
+ }
+ }
+
+ public WeakHashMap getAllSessions() {
+ return allSessions;
+ }
+}
\ No newline at end of file
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