Merge branch 'master' of ssh://opensimulator.org/var/git/opensim

2 files changed, 234 insertions, 1 deletions

diff --git a/OpenSim/Framework/Monitoring/Stats/CounterStat.cs b/OpenSim/Framework/Monitoring/Stats/CounterStat.cs
new file mode 100755
index 0000000..d81f182
--- /dev/null
+++ b/OpenSim/Framework/Monitoring/Stats/CounterStat.cs
@@ -0,0 +1,211 @@
+/*

+ * Copyright (c) Contributors, http://opensimulator.org/

+ * See CONTRIBUTORS.TXT for a full list of copyright holders.

+ *

+ * Redistribution and use in source and binary forms, with or without

+ * modification, are permitted provided that the following conditions are met:

+ *     * Redistributions of source code must retain the above copyright

+ *       notice, this list of conditions and the following disclaimer.

+ *     * Redistributions in binary form must reproduce the above copyright

+ *       notice, this list of conditions and the following disclaimer in the

+ *       documentation and/or other materials provided with the distribution.

+ *     * Neither the name of the OpenSimulator Project nor the

+ *       names of its contributors may be used to endorse or promote products

+ *       derived from this software without specific prior written permission.

+ *

+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY

+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY

+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

+ */

+

+using System;

+using System.Collections.Generic;

+using System.Linq;

+using System.Text;

+

+using OpenMetaverse.StructuredData;

+

+namespace OpenSim.Framework.Monitoring

+{

+// Create a time histogram of events. The histogram is built in a wrap-around

+//   array of equally distributed buckets.

+// For instance, a minute long histogram of second sized buckets would be:

+//          new EventHistogram(60, 1000)

+public class EventHistogram

+{

+    private int m_timeBase;

+    private int m_numBuckets;

+    private int m_bucketMilliseconds;

+    private int m_lastBucket;

+    private int m_totalHistogramMilliseconds;

+    private long[] m_histogram;

+    private object histoLock = new object();

+

+    public EventHistogram(int numberOfBuckets, int millisecondsPerBucket)

+    {

+        m_numBuckets = numberOfBuckets;

+        m_bucketMilliseconds = millisecondsPerBucket;

+        m_totalHistogramMilliseconds = m_numBuckets * m_bucketMilliseconds;

+

+        m_histogram = new long[m_numBuckets];

+        Zero();

+        m_lastBucket = 0;

+        m_timeBase = Util.EnvironmentTickCount();

+    }

+

+    public void Event()

+    {

+        this.Event(1);

+    }

+

+    // Record an event at time 'now' in the histogram.

+    public void Event(int cnt)

+    {

+        lock (histoLock)

+        {

+            // The time as displaced from the base of the histogram

+            int bucketTime = Util.EnvironmentTickCountSubtract(m_timeBase);

+

+            // If more than the total time of the histogram, we just start over

+            if (bucketTime > m_totalHistogramMilliseconds)

+            {

+                Zero();

+                m_lastBucket = 0;

+                m_timeBase = Util.EnvironmentTickCount();

+            }

+            else

+            {

+                // To which bucket should we add this event?

+                int bucket = bucketTime / m_bucketMilliseconds;

+

+                // Advance m_lastBucket to the new bucket. Zero any buckets skipped over.

+                while (bucket != m_lastBucket)

+                {

+                    // Zero from just after the last bucket to the new bucket or the end

+                    for (int jj = m_lastBucket + 1; jj <= Math.Min(bucket, m_numBuckets - 1); jj++)

+                    {

+                        m_histogram[jj] = 0;

+                    }

+                    m_lastBucket = bucket;

+                    // If the new bucket is off the end, wrap around to the beginning

+                    if (bucket > m_numBuckets)

+                    {

+                        bucket -= m_numBuckets;

+                        m_lastBucket = 0;

+                        m_histogram[m_lastBucket] = 0;

+                        m_timeBase += m_totalHistogramMilliseconds;

+                    }

+                }

+            }

+            m_histogram[m_lastBucket] += cnt;

+        }

+    }

+

+    // Get a copy of the current histogram

+    public long[] GetHistogram()

+    {

+        long[] ret = new long[m_numBuckets];

+        lock (histoLock)

+        {

+            int indx = m_lastBucket + 1;

+            for (int ii = 0; ii < m_numBuckets; ii++, indx++)

+            {

+                if (indx >= m_numBuckets)

+                    indx = 0;

+                ret[ii] = m_histogram[indx];

+            }

+        }

+        return ret;

+    }

+

+    // Get a copy of the current histogram

+    public OSDArray GetHistogramAsOSDArray()

+    {

+        OSDArray ret = new OSDArray(m_numBuckets);

+        lock (histoLock)

+        {

+            int indx = m_lastBucket + 1;

+            for (int ii = 0; ii < m_numBuckets; ii++, indx++)

+            {

+                if (indx >= m_numBuckets)

+                    indx = 0;

+                ret[ii] = OSD.FromLong(m_histogram[indx]);

+            }

+        }

+        return ret;

+    }

+

+    // Zero out the histogram

+    public void Zero()

+    {

+        lock (histoLock)

+        {

+            for (int ii = 0; ii < m_numBuckets; ii++)

+                m_histogram[ii] = 0;

+        }

+    }

+}

+

+// A statistic that wraps a counter.

+// Built this way mostly so histograms and history can be created.

+public class CounterStat : Stat

+{

+    private SortedDictionary<string, EventHistogram> m_histograms;

+    private object counterLock = new object();

+

+    public CounterStat(

+                        string shortName,

+                        string name,

+                        string description,

+                        string unitName,

+                        string category,

+                        string container,

+                        StatVerbosity verbosity)

+        : base(shortName, name, description, unitName, category, container, StatType.Push, null, verbosity)

+    {

+        m_histograms = new SortedDictionary<string, EventHistogram>();

+    }

+

+    // Histograms are presumably added at intialization time and the list does not change thereafter.

+    // Thus no locking of the histogram list.

+    public void AddHistogram(string histoName, EventHistogram histo)

+    {

+        m_histograms.Add(histoName, histo);

+    }

+

+    public delegate void ProcessHistogram(string name, EventHistogram histo);

+    public void ForEachHistogram(ProcessHistogram process)

+    {

+        foreach (KeyValuePair<string, EventHistogram> kvp in m_histograms)

+        {

+            process(kvp.Key, kvp.Value);

+        }

+    }

+

+    public void Event()

+    {

+        this.Event(1);

+    }

+

+    // Count the underlying counter.

+    public void Event(int cnt)

+    {

+        lock (counterLock)

+        {

+            base.Value += cnt;

+

+            foreach (EventHistogram histo in m_histograms.Values)

+            {

+                histo.Event(cnt);

+            }

+        }

+    }

+}

+}

diff --git a/OpenSim/Framework/Monitoring/Stats/Stat.cs b/OpenSim/Framework/Monitoring/Stats/Stat.cs
index f91251b..c8d9174 100644
--- a/OpenSim/Framework/Monitoring/Stats/Stat.cs
+++ b/OpenSim/Framework/Monitoring/Stats/Stat.cs
@@ -29,12 +29,14 @@ using System;
 using System.Collections.Generic;
 using System.Text;
 
+using OpenMetaverse.StructuredData;
+
 namespace OpenSim.Framework.Monitoring
 {
     /// <summary>
     /// Holds individual statistic details
     /// </summary>
-    public class Stat
+    public class Stat : IDisposable
     {
         /// <summary>
         /// Category of this stat (e.g. cache, scene, etc).
@@ -181,6 +183,12 @@ namespace OpenSim.Framework.Monitoring
             Verbosity = verbosity;
         }
 
+        // IDisposable.Dispose()
+        public virtual void Dispose()
+        {
+            return;
+        }
+
         /// <summary>
         /// Record a value in the sample set.
         /// </summary>
@@ -210,6 +218,20 @@ namespace OpenSim.Framework.Monitoring
             return sb.ToString();
         }
 
+        public virtual OSDMap ToOSDMap()
+        {
+            OSDMap ret = new OSDMap();
+            ret.Add("Category", OSD.FromString(Category));
+            ret.Add("Container", OSD.FromString(Container));
+            ret.Add("ShortName", OSD.FromString(ShortName));
+            ret.Add("Name", OSD.FromString(Name));
+            ret.Add("Description", OSD.FromString(Description));
+            ret.Add("UnitName", OSD.FromString(UnitName));
+            ret.Add("Value", OSD.FromReal(Value));
+
+            return ret;
+        }
+
         protected void AppendMeasuresOfInterest(StringBuilder sb)
         {
             if ((MeasuresOfInterest & MeasuresOfInterest.AverageChangeOverTime)