Initial version.

git-svn-id: http://svn.igniterealtime.org/svn/repos/openfire/trunk@9216 b35dd754-fafc-0310-a699-88a17e54d16e

src/java/org/jivesoftware/openfire/cluster/GetBasicStatistics.java

+/**
+ * $RCSfile: $
+ * $Revision: $
+ * $Date: $
+ *
+ * Copyright (C) 2007 Jive Software. All rights reserved.
+ *
+ * This software is published under the terms of the GNU Public License (GPL),
+ * a copy of which is included in this distribution.
+ */
+
+package org.jivesoftware.openfire.cluster;
+
+import org.jivesoftware.openfire.SessionManager;
+import org.jivesoftware.openfire.XMPPServer;
+import org.jivesoftware.util.cache.CacheFactory;
+import org.jivesoftware.util.cache.ClusterTask;
+
+import java.io.IOException;
+import java.io.ObjectInput;
+import java.io.ObjectOutput;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Command that returns basic information about this JVM like number of client sessions,
+ * server sessions and amount of free and used memory.
+ *
+ * @author Gaston Dombiak
+ */
+public class GetBasicStatistics implements ClusterTask {
+    public static final String NODE = "node";
+    public static final String CLIENT = "client";
+    public static final String INCOMING = "incoming";
+    public static final String OUTGOING = "outgoing";
+    public static final String MEMORY_CURRENT = "memory_cur";
+    public static final String MEMORY_MAX = "memory_max";
+
+    private Map<String, Object> values;
+
+    public Object getResult() {
+        return values;
+    }
+
+    public void run() {
+        SessionManager manager = SessionManager.getInstance();
+        values = new HashMap<String, Object>();
+        values.put(NODE, CacheFactory.getClusterMemberID());
+        // Collect number of authenticated users
+        values.put(CLIENT, manager.getUserSessionsCount(true));
+        // Collect number of incoming server connections
+        values.put(INCOMING, manager.getIncomingServerSessionsCount(true));
+        // Collect number of outgoing server connections
+        values.put(OUTGOING, XMPPServer.getInstance().getRoutingTable().getServerSessionsCount());
+        // Calculate free and used memory
+        Runtime runtime = Runtime.getRuntime();
+        double freeMemory = (double) runtime.freeMemory() / (1024 * 1024);
+        double maxMemory = (double) runtime.maxMemory() / (1024 * 1024);
+        double totalMemory = (double) runtime.totalMemory() / (1024 * 1024);
+        double usedMemory = totalMemory - freeMemory;
+        values.put(MEMORY_CURRENT, usedMemory);
+        values.put(MEMORY_MAX, maxMemory);
+    }
+
+    public void writeExternal(ObjectOutput out) throws IOException {
+        // Ignore
+    }
+
+    public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
+        // Ignore
+    }
+}