added forgotten file

1 files changed, 138 insertions, 0 deletions

diff --git a/java/com/rsyslog/gui/diaggui/Counters.java b/java/com/rsyslog/gui/diaggui/Counters.java
new file mode 100644
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--- /dev/null
+++ b/java/com/rsyslog/gui/diaggui/Counters.java
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+/* Display some basic rsyslogd counter variables.
+ * 
+ * Please note that this program requires imdiag to be loaded inside rsyslogd.
+ *
+ * Copyright 2009 Rainer Gerhards and Adiscon GmbH.
+ *
+ * This file is part of rsyslog.
+ *
+ * Rsyslog is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Rsyslog is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Rsyslog.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * A copy of the GPL can be found in the file "COPYING" in this distribution.
+ */
+package com.rsyslog.gui.diaggui;
+import java.awt.*;
+import java.awt.event.*;
+import java.io.*;
+import java.util.*;
+
+import com.rsyslog.lib.DiagSess;
+
+public class Counters extends Frame {
+	
+	private TextField MainQItems;
+	private TextField RefreshInterval;
+	private Checkbox  AutoRefresh;
+	private DiagSess diagSess;
+	private Timer timer;
+
+	private void createDiagSess() {
+		try {
+			diagSess = new DiagSess("127.0.0.1", 13500); // TODO: values from GUI
+			diagSess.connect();
+		}
+		catch(IOException e) {
+			System.out.println("Exception trying to open diag session:\n" + e.toString());
+		}
+	}
+
+	private void createGUI() {
+		MainQItems = new TextField();
+		MainQItems.setColumns(8);
+		Panel pCenter = new Panel();
+		pCenter.setLayout(new FlowLayout());
+		pCenter.add(new Label("MainQ Items:"));
+		pCenter.add(MainQItems);
+		
+		RefreshInterval = new TextField();
+		RefreshInterval.setColumns(5);
+		RefreshInterval.setText("100");
+		AutoRefresh = new Checkbox("Auto Refresh", false);
+		AutoRefresh.addItemListener(new ItemListener() {
+			public void itemStateChanged(ItemEvent e) {
+				setAutoRefresh();
+			}
+			
+		});
+		Button b = new Button("Refresh now");
+		b.addActionListener(new ActionListener() {
+			public void actionPerformed(ActionEvent e) {
+				refreshCounters();
+			}
+		});
+		Panel pSouth = new Panel();
+		pSouth.setLayout(new FlowLayout());
+		pSouth.add(AutoRefresh);
+		pSouth.add(new Label("Interval (ms):"));
+		pSouth.add(RefreshInterval);
+		pSouth.add(b);
+		
+		pack();
+		setTitle("rsyslogd Counters");
+		setLayout(new BorderLayout());
+		add(pCenter, BorderLayout.CENTER);
+		add(pSouth, BorderLayout.SOUTH);
+		setSize(400,500);
+	}
+	
+	public Counters() {
+		addWindowListener(new WindowAdapter() {
+			public void windowClosing(WindowEvent e){
+				Counters.this.dispose();
+			}
+		});
+		createGUI();
+		createDiagSess();
+		setAutoRefresh();
+		setVisible(true);
+	}
+
+
+	private void startTimer() {
+		timer = new Timer();
+		timer.scheduleAtFixedRate(new TimerTask() {
+			public void run() {
+				refreshCounters();
+			}
+		}, 0, 100);
+	}
+	
+	private void stopTimer() {
+		if(timer != null) {
+			timer.cancel();
+			timer = null;
+		}
+	}
+
+	/** set auto-refresh mode. It is either turned on or off, depending on the 
+	 *  status of the relevant check box. */
+	private void setAutoRefresh() {
+		if(AutoRefresh.getState() == true) {
+			startTimer();
+		} else {
+			stopTimer();
+		}
+	}
+	
+	/** refresh counter display from rsyslogd data. Does a network round-trip. */
+	private void refreshCounters() {
+		try {
+			String res = diagSess.request("getmainmsgqueuesize");
+			MainQItems.setText(res);
+		}
+		catch(IOException e) {
+			System.out.println("Exception during request:\n" + e.toString());
+		}
+	}
+}