From 91e346358283e43644ef9a28483d9fac0b159e45 Mon Sep 17 00:00:00 2001
From: Melanie Thielker
Date: Sat, 13 Sep 2008 17:50:02 +0000
Subject: Remove the cruft of accessing a private member of another module's
 class from DataSnapshot and replace it with a best practices approach, making
 it much less dependent on the land module's internal structure and types.

---
 OpenSim/Region/DataSnapshot/LandSnapshot.cs        | 28 +++++++++-------------
 .../Region/Environment/Interfaces/ILandChannel.cs  |  1 +
 .../Environment/Modules/World/Land/LandChannel.cs  | 10 ++++++++
 .../Modules/World/Land/LandManagementModule.cs     |  5 ++++
 4 files changed, 27 insertions(+), 17 deletions(-)

(limited to 'OpenSim/Region')

diff --git a/OpenSim/Region/DataSnapshot/LandSnapshot.cs b/OpenSim/Region/DataSnapshot/LandSnapshot.cs
index b0ba29d..dc7ef8c 100644
--- a/OpenSim/Region/DataSnapshot/LandSnapshot.cs
+++ b/OpenSim/Region/DataSnapshot/LandSnapshot.cs
@@ -119,28 +119,22 @@ namespace OpenSim.Region.DataSnapshot.Providers
 
         public XmlNode RequestSnapshotData(XmlDocument nodeFactory)
         {
-            ILandChannel landChannel = (LandChannel)m_scene.LandChannel;
-            Dictionary<int, ILandObject> landList = null;
-            try
-            {
-                Type landChannelType = typeof(LandChannel);
-                FieldInfo landListField = landChannelType.GetField("landList", BindingFlags.NonPublic | BindingFlags.Instance);
-                if (landListField != null)
-                {
-                    landList = (Dictionary<int, ILandObject>)landListField.GetValue(landChannel);
-                }
-            }
-            catch (Exception e)
-            {
-                m_log.Error("[DATASNAPSHOT] couldn't access field reflectively\n" + e.ToString());
-            }
+            ILandChannel landChannel = m_scene.LandChannel;
+            List<ILandObject> parcels = landChannel.AllParcels();
+
             XmlNode parent = nodeFactory.CreateNode(XmlNodeType.Element, "parceldata", "");
-            if (landList != null)
+            if (parcels != null)
             {
 
                 //foreach (KeyValuePair<int, Land> curParcel in m_landIndexed)
-                foreach (LandObject land in landList.Values)
+                foreach (ILandObject parcel_interface in parcels)
                 {
+                    // Play it safe
+                    if (!(parcel_interface is LandObject))
+                        continue;
+
+                    LandObject land = (LandObject)parcel_interface;
+
                     LandData parcel = land.landData;
                     if ((parcel.Flags & (uint)Parcel.ParcelFlags.ShowDirectory) == (uint)Parcel.ParcelFlags.ShowDirectory)
                     {
diff --git a/OpenSim/Region/Environment/Interfaces/ILandChannel.cs b/OpenSim/Region/Environment/Interfaces/ILandChannel.cs
index 4a74949..98998f7 100644
--- a/OpenSim/Region/Environment/Interfaces/ILandChannel.cs
+++ b/OpenSim/Region/Environment/Interfaces/ILandChannel.cs
@@ -36,6 +36,7 @@ namespace OpenSim.Region.Environment.Interfaces
     {
 
         List<ILandObject> ParcelsNearPoint(Vector3 position);
+        List<ILandObject> AllParcels();
         ILandObject GetLandObject(int x, int y);
         ILandObject GetLandObject(float x, float y);
         bool IsLandPrimCountTainted();
diff --git a/OpenSim/Region/Environment/Modules/World/Land/LandChannel.cs b/OpenSim/Region/Environment/Modules/World/Land/LandChannel.cs
index 1e1291a..8747bd4 100644
--- a/OpenSim/Region/Environment/Modules/World/Land/LandChannel.cs
+++ b/OpenSim/Region/Environment/Modules/World/Land/LandChannel.cs
@@ -105,6 +105,16 @@ namespace OpenSim.Region.Environment.Modules.World.Land
             return obj;
         }
 
+        public List<ILandObject> AllParcels()
+        {
+            if (m_landManagementModule != null)
+            {
+                return m_landManagementModule.AllParcels();
+            }
+
+            return new List<ILandObject>();
+        }
+
         public List<ILandObject> ParcelsNearPoint(Vector3 position)
         {
             if (m_landManagementModule != null)
diff --git a/OpenSim/Region/Environment/Modules/World/Land/LandManagementModule.cs b/OpenSim/Region/Environment/Modules/World/Land/LandManagementModule.cs
index f4ba9a3..bf51edb 100644
--- a/OpenSim/Region/Environment/Modules/World/Land/LandManagementModule.cs
+++ b/OpenSim/Region/Environment/Modules/World/Land/LandManagementModule.cs
@@ -175,6 +175,11 @@ namespace OpenSim.Region.Environment.Modules.World.Land
             AddLandObject(fullSimParcel);
         }
 
+        public List<ILandObject> AllParcels()
+        {
+            return new List<ILandObject>(landList.Values);
+        }
+
         public List<ILandObject> ParcelsNearPoint(Vector3 position)
         {
             List<ILandObject> parcelsNear = new List<ILandObject>();
-- 
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