opensim-development – Blame information for rev 1

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1 eva 1 /*
2 * Copyright (c) Contributors, http://opensimulator.org/
3 * See CONTRIBUTORS.TXT for a full list of copyright holders.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of the OpenSimulator Project nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27  
28 using System;
29 using System.Reflection;
30 using System.Timers;
31 using log4net;
32  
33 namespace OpenSim.Framework.Monitoring
34 {
35 /// <summary>
36 /// Provides a means to continuously log stats for debugging purposes.
37 /// </summary>
38 public static class StatsLogger
39 {
40 private static readonly ILog m_statsLog = LogManager.GetLogger("special.StatsLogger");
41  
42 private static Timer m_loggingTimer;
43 private static int m_statsLogIntervalMs = 5000;
44  
45 public static void RegisterConsoleCommands(ICommandConsole console)
46 {
47 console.Commands.AddCommand(
48 "Debug",
49 false,
50 "debug stats record",
51 "debug stats record start|stop",
52 "Control whether stats are being regularly recorded to a separate file.",
53 "For debug purposes. Experimental.",
54 HandleStatsRecordCommand);
55 }
56  
57 public static void HandleStatsRecordCommand(string module, string[] cmd)
58 {
59 ICommandConsole con = MainConsole.Instance;
60  
61 if (cmd.Length != 4)
62 {
63 con.Output("Usage: debug stats record start|stop");
64 return;
65 }
66  
67 if (cmd[3] == "start")
68 {
69 Start();
70 con.OutputFormat("Now recording all stats to file every {0}ms", m_statsLogIntervalMs);
71 }
72 else if (cmd[3] == "stop")
73 {
74 Stop();
75 con.Output("Stopped recording stats to file.");
76 }
77 }
78  
79 public static void Start()
80 {
81 if (m_loggingTimer != null)
82 Stop();
83  
84 m_loggingTimer = new Timer(m_statsLogIntervalMs);
85 m_loggingTimer.AutoReset = false;
86 m_loggingTimer.Elapsed += Log;
87 m_loggingTimer.Start();
88 }
89  
90 public static void Stop()
91 {
92 if (m_loggingTimer != null)
93 {
94 m_loggingTimer.Stop();
95 }
96 }
97  
98 private static void Log(object sender, ElapsedEventArgs e)
99 {
100 m_statsLog.InfoFormat("*** STATS REPORT AT {0} ***", DateTime.Now);
101  
102 foreach (string report in StatsManager.GetAllStatsReports())
103 m_statsLog.Info(report);
104  
105 m_loggingTimer.Start();
106 }
107 }
108 }