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.Collections.Generic;
30 using System.Linq;
31 using System.Text;
32  
33 using OpenMetaverse.StructuredData;
34  
35 namespace OpenSim.Framework.Monitoring
36 {
37 // A statistic that wraps a counter.
38 // Built this way mostly so histograms and history can be created.
39 public class CounterStat : Stat
40 {
41 private SortedDictionary<string, EventHistogram> m_histograms;
42 private object counterLock = new object();
43  
44 public CounterStat(
45 string shortName,
46 string name,
47 string description,
48 string unitName,
49 string category,
50 string container,
51 StatVerbosity verbosity)
52 : base(shortName, name, description, unitName, category, container, StatType.Push, null, verbosity)
53 {
54 m_histograms = new SortedDictionary<string, EventHistogram>();
55 }
56  
57 // Histograms are presumably added at intialization time and the list does not change thereafter.
58 // Thus no locking of the histogram list.
59 public void AddHistogram(string histoName, EventHistogram histo)
60 {
61 m_histograms.Add(histoName, histo);
62 }
63  
64 public delegate void ProcessHistogram(string name, EventHistogram histo);
65 public void ForEachHistogram(ProcessHistogram process)
66 {
67 foreach (KeyValuePair<string, EventHistogram> kvp in m_histograms)
68 {
69 process(kvp.Key, kvp.Value);
70 }
71 }
72  
73 public void Event()
74 {
75 this.Event(1);
76 }
77  
78 // Count the underlying counter.
79 public void Event(int cnt)
80 {
81 lock (counterLock)
82 {
83 base.Value += cnt;
84  
85 foreach (EventHistogram histo in m_histograms.Values)
86 {
87 histo.Event(cnt);
88 }
89 }
90 }
91  
92 // CounterStat is a basic stat plus histograms
93 public override OSDMap ToOSDMap()
94 {
95 // Get the foundational instance
96 OSDMap map = base.ToOSDMap();
97  
98 map["StatType"] = "CounterStat";
99  
100 // If there are any histograms, add a new field that is an array of histograms as OSDMaps
101 if (m_histograms.Count > 0)
102 {
103 lock (counterLock)
104 {
105 if (m_histograms.Count > 0)
106 {
107 OSDArray histos = new OSDArray();
108 foreach (EventHistogram histo in m_histograms.Values)
109 {
110 histos.Add(histo.GetHistogramAsOSDMap());
111 }
112 map.Add("Histograms", histos);
113 }
114 }
115 }
116 return map;
117 }
118 }
119 }