1 files changed, 51 insertions, 167 deletions

diff --git a/OpenSim/Capabilities/Handlers/GetMesh/GetMeshHandler.cs b/OpenSim/Capabilities/Handlers/GetMesh/GetMeshHandler.cs
index 7fcc798..a9b81f3 100644
--- a/OpenSim/Capabilities/Handlers/GetMesh/GetMeshHandler.cs
+++ b/OpenSim/Capabilities/Handlers/GetMesh/GetMeshHandler.cs
@@ -25,37 +25,39 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+using System;
+using System.Collections;
+using System.Collections.Specialized;
+using System.Reflection;
+using System.IO;
+using System.Web;
 using log4net;
+using Nini.Config;
 using OpenMetaverse;
-using OpenMetaverse.Imaging;
+using OpenMetaverse.StructuredData;
 using OpenSim.Framework;
+using OpenSim.Framework.Servers;
 using OpenSim.Framework.Servers.HttpServer;
 using OpenSim.Services.Interfaces;
-using System;
-using System.Collections.Specialized;
-using System.Drawing;
-using System.Drawing.Imaging;
-using System.IO;
-using System.Reflection;
-using System.Web;
+using Caps = OpenSim.Framework.Capabilities.Caps;
+
+
+
 
 namespace OpenSim.Capabilities.Handlers
 {
-    public class GetMeshHandler : BaseStreamHandler
+    public class GetMeshHandler
     {
         private static readonly ILog m_log =
                    LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
-        
+
         private IAssetService m_assetService;
 
         public const string DefaultFormat = "vnd.ll.mesh";
-        
+
         public GetMeshHandler(IAssetService assService)
         {
             m_assetService = assService;
-            m_RedirectURL = redirectURL;
-            if (m_RedirectURL != null && !m_RedirectURL.EndsWith("/"))
-                m_RedirectURL += "/";
         }
         public Hashtable Handle(Hashtable request)
         {
@@ -67,7 +69,7 @@ namespace OpenSim.Capabilities.Handlers
             ret["int_bytes"] = 0;
             ret["int_lod"] = 0;
             string MeshStr = (string)request["mesh_id"];
-            
+
 
             //m_log.DebugFormat("[GETMESH]: called {0}", MeshStr);
 
@@ -81,122 +83,53 @@ namespace OpenSim.Capabilities.Handlers
             {
                 //                m_log.DebugFormat("[GETMESH]: Received request for mesh id {0}", meshID);
 
-               
+
                 ret = ProcessGetMesh(request, UUID.Zero, null);
-                       
-                
+
+
             }
             else
             {
                 m_log.Warn("[GETMESH]: Failed to parse a mesh_id from GetMesh request: " + (string)request["uri"]);
             }
 
-            
+
             return ret;
         }
         public Hashtable ProcessGetMesh(Hashtable request, UUID AgentId, Caps cap)
         {
-            // Try to parse the texture ID from the request URL
-            NameValueCollection query = HttpUtility.ParseQueryString(httpRequest.Url.Query);
-            string textureStr = query.GetOne("mesh_id");
+            Hashtable responsedata = new Hashtable();
+            responsedata["int_response_code"] = 400; //501; //410; //404;
+            responsedata["content_type"] = "text/plain";
+            responsedata["keepalive"] = false;
+            responsedata["str_response_string"] = "Request wasn't what was expected";
             responsedata["reusecontext"] = false;
             responsedata["int_lod"] = 0;
             responsedata["int_bytes"] = 0;
 
-            if (m_assetService == null)
-            {
-                m_log.Error("[GETMESH]: Cannot fetch mesh " + textureStr + " without an asset service");
-                httpResponse.StatusCode = (int)System.Net.HttpStatusCode.NotFound;
-            }
-
-            UUID meshID;
-            if (!String.IsNullOrEmpty(textureStr) && UUID.TryParse(textureStr, out meshID))
-            {
-                // OK, we have an array with preferred formats, possibly with only one entry
-
-                httpResponse.StatusCode = (int)System.Net.HttpStatusCode.NotFound;
-                AssetBase mesh;
+            string meshStr = string.Empty;
 
-                if (!String.IsNullOrEmpty(m_RedirectURL))
-                {
-                    // Only try to fetch locally cached meshes. Misses are redirected
-                    mesh = m_assetService.GetCached(meshID.ToString());
+            if (request.ContainsKey("mesh_id"))
+                meshStr = request["mesh_id"].ToString();
 
-                    if (mesh != null)
-                    {
-                        if (mesh.Type != (sbyte)AssetType.Mesh)
-                        {
-                            httpResponse.StatusCode = (int)System.Net.HttpStatusCode.NotFound;
-                        }
-                        WriteMeshData(httpRequest, httpResponse, mesh);
-                    }
-                    else
-                    {
-                        string textureUrl = m_RedirectURL + "?mesh_id="+ meshID.ToString();
-                        m_log.Debug("[GETMESH]: Redirecting mesh request to " + textureUrl);
-                        httpResponse.StatusCode = (int)OSHttpStatusCode.RedirectMovedPermanently;
-                        httpResponse.RedirectLocation = textureUrl;
-                        return null;
-                    }
-                }
-                else // no redirect
+            UUID meshID = UUID.Zero;
+            if (!String.IsNullOrEmpty(meshStr) && UUID.TryParse(meshStr, out meshID))
+            {
+                if (m_assetService == null)
                 {
-                    // try the cache
-                    mesh = m_assetService.GetCached(meshID.ToString());
-
-                    if (mesh == null)
-                    {
-                        // Fetch locally or remotely. Misses return a 404
-                        mesh = m_assetService.Get(meshID.ToString());
-
-                        if (mesh != null)
-                        {
-                            if (mesh.Type != (sbyte)AssetType.Mesh)
-                            {
-                                httpResponse.StatusCode = (int)System.Net.HttpStatusCode.NotFound;
-                                return null;
-                            }
-                            WriteMeshData(httpRequest, httpResponse, mesh);
-                            return null;
-                        }
-                   }
-                   else // it was on the cache
-                   {
-                       if (mesh.Type != (sbyte)AssetType.Mesh)
-                       {
-                           httpResponse.StatusCode = (int)System.Net.HttpStatusCode.NotFound;
-                           return null;
-                       }
-                       WriteMeshData(httpRequest, httpResponse, mesh);
-                       return null;
-                   }
+                    responsedata["int_response_code"] = 404; //501; //410; //404;
+                    responsedata["content_type"] = "text/plain";
+                    responsedata["keepalive"] = false;
+                    responsedata["str_response_string"] = "The asset service is unavailable.  So is your mesh.";
+                    responsedata["reusecontext"] = false;
+                    return responsedata;
                 }
 
-                // not found
-                httpResponse.StatusCode = (int)System.Net.HttpStatusCode.NotFound;
-                return null;
-            }
-            else
-            {
-                m_log.Warn("[GETTEXTURE]: Failed to parse a mesh_id from GetMesh request: " + httpRequest.Url);
-            }
-
-            return null;
-        }
-
-        private void WriteMeshData(IOSHttpRequest request, IOSHttpResponse response, AssetBase texture)
-        {
-            string range = request.Headers.GetOne("Range");
+                AssetBase mesh = m_assetService.Get(meshID.ToString());
 
-            if (!String.IsNullOrEmpty(range))
-            {
-                // Range request
-                int start, end;
-                if (TryParseRange(range, out start, out end))
+                if (mesh != null)
                 {
-                    // Before clamping start make sure we can satisfy it in order to avoid
-                    // sending back the last byte instead of an error status
-                    if (start >= texture.Data.Length)
+                    if (mesh.Type == (SByte)AssetType.Mesh)
                     {
 
                         Hashtable headers = new Hashtable();
@@ -212,12 +145,12 @@ namespace OpenSim.Capabilities.Handlers
 
                         if (!String.IsNullOrEmpty(range)) // Mesh Asset LOD // Physics
                         {
-                             // Range request
+                            // Range request
                             int start, end;
                             if (TryParseRange(range, out start, out end))
                             {
-                                 // Before clamping start make sure we can satisfy it in order to avoid
-                    // sending back the last byte instead of an error status
+                                // Before clamping start make sure we can satisfy it in order to avoid
+                                // sending back the last byte instead of an error status
                                 if (start >= mesh.Data.Length)
                                 {
                                     responsedata["int_response_code"] = 404; //501; //410; //404;
@@ -249,20 +182,20 @@ namespace OpenSim.Capabilities.Handlers
                                         responsedata["int_lod"] = 2;
                                     }
 
-                                    
+
                                     if (start == 0 && len == mesh.Data.Length) // well redudante maybe
                                     {
-                                        responsedata["int_response_code"] = (int) System.Net.HttpStatusCode.OK;
+                                        responsedata["int_response_code"] = (int)System.Net.HttpStatusCode.OK;
                                         responsedata["bin_response_data"] = mesh.Data;
                                         responsedata["int_bytes"] = mesh.Data.Length;
                                         responsedata["reusecontext"] = false;
                                         responsedata["int_lod"] = 3;
-                                        
+
                                     }
                                     else
                                     {
                                         responsedata["int_response_code"] =
-                                            (int) System.Net.HttpStatusCode.PartialContent;
+                                            (int)System.Net.HttpStatusCode.PartialContent;
                                         headers["Content-Range"] = String.Format("bytes {0}-{1}/{2}", start, end,
                                                                                  mesh.Data.Length);
 
@@ -293,6 +226,7 @@ namespace OpenSim.Capabilities.Handlers
                             responsedata["int_lod"] = 3;
                         }
                     }
+                    // Optionally add additional mesh types here
                     else
                     {
                         responsedata["int_response_code"] = 404; //501; //410; //404;
@@ -315,58 +249,8 @@ namespace OpenSim.Capabilities.Handlers
                     return responsedata;
                 }
             }
-            else 
-            {
-                // Full content request
-                response.StatusCode = (int)System.Net.HttpStatusCode.OK;
-                response.ContentLength = texture.Data.Length;
-                response.ContentType = "application/vnd.ll.mesh";
-                response.Body.Write(texture.Data, 0, texture.Data.Length);
-            }
-        }
 
-        /// <summary>
-        /// Parse a range header.
-        /// </summary>
-        /// <remarks>
-        /// As per http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html,
-        /// this obeys range headers with two values (e.g. 533-4165) and no second value (e.g. 533-).
-        /// Where there is no value, -1 is returned.
-        /// FIXME: Need to cover the case where only a second value is specified (e.g. -4165), probably by returning -1
-        /// for start.</remarks>
-        /// <returns></returns>
-        /// <param name='header'></param>
-        /// <param name='start'>Start of the range.  Undefined if this was not a number.</param>
-        /// <param name='end'>End of the range.  Will be -1 if no end specified.  Undefined if there was a raw string but this was not a number.</param>
-        private bool TryParseRange(string header, out int start, out int end)
-        {
-            start = end = 0;
-
-            if (header.StartsWith("bytes="))
-            {
-                string[] rangeValues = header.Substring(6).Split('-');
-
-                if (rangeValues.Length == 2)
-                {
-                    if (!Int32.TryParse(rangeValues[0], out start))
-                        return false;
-
-                    string rawEnd = rangeValues[1];
-
-                    if (rawEnd == "")
-                    {
-                        end = -1;
-                        return true;
-                    }
-                    else if (Int32.TryParse(rawEnd, out end))
-                    {
-                        return true;
-                    }
-                }
-            }
-
-            start = end = 0;
-            return false;
+            return responsedata;
         }
         private bool TryParseRange(string header, out int start, out int end)
         {