Close streams immediately when we finish using them

3 files changed, 80 insertions, 72 deletions

diff --git a/OpenSim/Region/Framework/Scenes/Animation/BinBVHAnimation.cs b/OpenSim/Region/Framework/Scenes/Animation/BinBVHAnimation.cs
index 3afc87f..b3b38b2 100644
--- a/OpenSim/Region/Framework/Scenes/Animation/BinBVHAnimation.cs
+++ b/OpenSim/Region/Framework/Scenes/Animation/BinBVHAnimation.cs
@@ -1,4 +1,4 @@
-/*
+/*
  * Copyright (c) Contributors, http://opensimulator.org/
  * See CONTRIBUTORS.TXT for a full list of copyright holders.
  *
@@ -113,31 +113,34 @@ namespace OpenSim.Region.Framework.Scenes.Animation
 
         public byte[] ToBytes()
         {
-            byte[] outputbytes = new byte[0];
+            byte[] outputbytes;
 
-            BinaryWriter iostream = new BinaryWriter(new MemoryStream());
-            iostream.Write(BinBVHUtil.ES(Utils.UInt16ToBytes(unknown0)));
-            iostream.Write(BinBVHUtil.ES(Utils.UInt16ToBytes(unknown1)));
-            iostream.Write(BinBVHUtil.ES(Utils.IntToBytes(Priority)));
-            iostream.Write(BinBVHUtil.ES(Utils.FloatToBytes(Length)));
-            iostream.Write(BinBVHUtil.WriteNullTerminatedString(ExpressionName));
-            iostream.Write(BinBVHUtil.ES(Utils.FloatToBytes(InPoint)));
-            iostream.Write(BinBVHUtil.ES(Utils.FloatToBytes(OutPoint)));
-            iostream.Write(BinBVHUtil.ES(Utils.IntToBytes(Loop ? 1 : 0)));
-            iostream.Write(BinBVHUtil.ES(Utils.FloatToBytes(EaseInTime)));
-            iostream.Write(BinBVHUtil.ES(Utils.FloatToBytes(EaseOutTime)));
-            iostream.Write(BinBVHUtil.ES(Utils.UIntToBytes(HandPose)));
-            iostream.Write(BinBVHUtil.ES(Utils.UIntToBytes((uint)(Joints.Length))));
-            
-            for (int i = 0; i < Joints.Length; i++)
+            using (MemoryStream ms = new MemoryStream())
+            using (BinaryWriter iostream = new BinaryWriter(ms))
             {
-                Joints[i].WriteBytesToStream(iostream, InPoint, OutPoint);
+                iostream.Write(BinBVHUtil.ES(Utils.UInt16ToBytes(unknown0)));
+                iostream.Write(BinBVHUtil.ES(Utils.UInt16ToBytes(unknown1)));
+                iostream.Write(BinBVHUtil.ES(Utils.IntToBytes(Priority)));
+                iostream.Write(BinBVHUtil.ES(Utils.FloatToBytes(Length)));
+                iostream.Write(BinBVHUtil.WriteNullTerminatedString(ExpressionName));
+                iostream.Write(BinBVHUtil.ES(Utils.FloatToBytes(InPoint)));
+                iostream.Write(BinBVHUtil.ES(Utils.FloatToBytes(OutPoint)));
+                iostream.Write(BinBVHUtil.ES(Utils.IntToBytes(Loop ? 1 : 0)));
+                iostream.Write(BinBVHUtil.ES(Utils.FloatToBytes(EaseInTime)));
+                iostream.Write(BinBVHUtil.ES(Utils.FloatToBytes(EaseOutTime)));
+                iostream.Write(BinBVHUtil.ES(Utils.UIntToBytes(HandPose)));
+                iostream.Write(BinBVHUtil.ES(Utils.UIntToBytes((uint)(Joints.Length))));
+
+                for (int i = 0; i < Joints.Length; i++)
+                {
+                    Joints[i].WriteBytesToStream(iostream, InPoint, OutPoint);
+                }
+                iostream.Write(BinBVHUtil.ES(Utils.IntToBytes(0)));
+            
+                using (MemoryStream ms2 = (MemoryStream)iostream.BaseStream)
+                    outputbytes = ms2.ToArray();
             }
-            iostream.Write(BinBVHUtil.ES(Utils.IntToBytes(0)));
-            MemoryStream ms = (MemoryStream)iostream.BaseStream;
-            outputbytes = ms.ToArray();
-            ms.Close();
-            iostream.Close();
+
             return outputbytes;
         }
         
diff --git a/OpenSim/Region/Framework/Scenes/KeyframeMotion.cs b/OpenSim/Region/Framework/Scenes/KeyframeMotion.cs
index 2d489ea..b4a171f 100644
--- a/OpenSim/Region/Framework/Scenes/KeyframeMotion.cs
+++ b/OpenSim/Region/Framework/Scenes/KeyframeMotion.cs
@@ -280,7 +280,7 @@ namespace OpenSim.Region.Framework.Scenes
                         if (!m_selected)
                         {
                             StopTimer();
-                            m_serializedPosition = m_group.AbsolutePosition;

+                            m_serializedPosition = m_group.AbsolutePosition;
                         }
                     }
                 }
@@ -308,10 +308,11 @@ namespace OpenSim.Region.Framework.Scenes
 
             try
             {
-                MemoryStream ms = new MemoryStream(data);
-                BinaryFormatter fmt = new BinaryFormatter();
-
-                newMotion = (KeyframeMotion)fmt.Deserialize(ms);
+                using (MemoryStream ms = new MemoryStream(data))
+                {
+                    BinaryFormatter fmt = new BinaryFormatter();
+                    newMotion = (KeyframeMotion)fmt.Deserialize(ms);
+                }
 
                 newMotion.m_group = grp;
 
@@ -345,26 +346,26 @@ namespace OpenSim.Region.Framework.Scenes
                 return;
 
             m_group = grp;
-            m_scene = grp.Scene;

+            m_scene = grp.Scene;
 
             Vector3 grppos = grp.AbsolutePosition;
-            Vector3 offset = grppos - m_serializedPosition;

+            Vector3 offset = grppos - m_serializedPosition;
             // avoid doing it more than once
             // current this will happen dragging a prim to other region
             m_serializedPosition = grppos;
 
             m_basePosition += offset;
             m_nextPosition += offset;
-            

+            
             m_currentFrame.StartPosition += offset;
-            m_currentFrame.Position += offset;

+            m_currentFrame.Position += offset;
 
             for (int i = 0; i < m_frames.Count; i++)
             {
                 Keyframe k = m_frames[i];
                 k.StartPosition += offset;
                 k.Position += offset;
-                m_frames[i]=k;

+                m_frames[i]=k;
             }
 
             if (m_running)
@@ -527,7 +528,7 @@ namespace OpenSim.Region.Framework.Scenes
                     {
                         k.Position = pos;
 //                        k.Velocity = Vector3.Zero;
-                    }

+                    }
 
                     k.StartRotation = rot;
                     if (k.Rotation.HasValue)
@@ -764,19 +765,22 @@ namespace OpenSim.Region.Framework.Scenes
         public Byte[] Serialize()
         {
             StopTimer();
-            MemoryStream ms = new MemoryStream();
 
-            BinaryFormatter fmt = new BinaryFormatter();
             SceneObjectGroup tmp = m_group;
-            m_group = null;

-            if (!m_selected && tmp != null)

-                m_serializedPosition = tmp.AbsolutePosition;

-            fmt.Serialize(ms, this);
-            m_group = tmp;
-            if (m_running && !m_waitingCrossing)
-                StartTimer();
+            m_group = null;
+            if (!m_selected && tmp != null)
+                m_serializedPosition = tmp.AbsolutePosition;
+
+            using (MemoryStream ms = new MemoryStream())
+            {
+                BinaryFormatter fmt = new BinaryFormatter();
+                fmt.Serialize(ms, this);
+                m_group = tmp;
+                if (m_running && !m_waitingCrossing)
+                    StartTimer();
 
-            return ms.ToArray();
+                return ms.ToArray();
+            }
         }
 
         public void StartCrossingCheck()
diff --git a/OpenSim/Region/Framework/Scenes/UuidGatherer.cs b/OpenSim/Region/Framework/Scenes/UuidGatherer.cs
index a7015e1..d07cc6a 100644
--- a/OpenSim/Region/Framework/Scenes/UuidGatherer.cs
+++ b/OpenSim/Region/Framework/Scenes/UuidGatherer.cs
@@ -458,35 +458,36 @@ namespace OpenSim.Region.Framework.Scenes
             if (null == assetBase)
                 return;
 
-            MemoryStream ms = new MemoryStream(assetBase.Data);
-            StreamReader sr = new StreamReader(ms);
-
-            sr.ReadLine(); // Unknown (Version?)
-            sr.ReadLine(); // Unknown
-            sr.ReadLine(); // Unknown
-            sr.ReadLine(); // Name
-            sr.ReadLine(); // Comment ?
-            int count = Convert.ToInt32(sr.ReadLine()); // Item count
-
-            for (int i = 0 ; i < count ; i++)
+            using (MemoryStream ms = new MemoryStream(assetBase.Data))
+            using (StreamReader sr = new StreamReader(ms))
             {
-                string type = sr.ReadLine();
-                if (type == null)
-                    break;
-                string name = sr.ReadLine();
-                if (name == null)
-                    break;
-                string id = sr.ReadLine();
-                if (id == null)
-                    break;
-                string unknown = sr.ReadLine();
-                if (unknown == null)
-                    break;
-
-                // If it can be parsed as a UUID, it is an asset ID
-                UUID uuid;
-                if (UUID.TryParse(id, out uuid))
-                    assetUuids[uuid] = (sbyte)AssetType.Animation;
+                sr.ReadLine(); // Unknown (Version?)
+                sr.ReadLine(); // Unknown
+                sr.ReadLine(); // Unknown
+                sr.ReadLine(); // Name
+                sr.ReadLine(); // Comment ?
+                int count = Convert.ToInt32(sr.ReadLine()); // Item count
+
+                for (int i = 0 ; i < count ; i++)
+                {
+                    string type = sr.ReadLine();
+                    if (type == null)
+                        break;
+                    string name = sr.ReadLine();
+                    if (name == null)
+                        break;
+                    string id = sr.ReadLine();
+                    if (id == null)
+                        break;
+                    string unknown = sr.ReadLine();
+                    if (unknown == null)
+                        break;
+
+                    // If it can be parsed as a UUID, it is an asset ID
+                    UUID uuid;
+                    if (UUID.TryParse(id, out uuid))
+                        assetUuids[uuid] = (sbyte)AssetType.Animation;    // the asset is either an Animation or a Sound, but this distinction isn't important
+                }
             }
         }