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Merge commit '619c39e5144f15aca129d6d999bcc5c34133ee64' into careminster

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Conflicts:
	OpenSim/Region/ClientStack/Linden/Caps/GetMeshModule.cs
This commit is contained in:
Melanie
2012-11-20 01:20:59 +00:00
parent 9f2d232c71 619c39e514
commit ccc81183b0
4 changed files with 547 additions and 79 deletions
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140
OpenSim/Capabilities/Handlers/GetMesh/GetMeshHandler.cs
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@@ -45,16 +45,53 @@ namespace OpenSim.Capabilities.Handlers
{
public class GetMeshHandler
{
// private static readonly ILog m_log =
// LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
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;
}
public Hashtable Handle(Hashtable request)
{
Hashtable ret = new Hashtable();
ret["int_response_code"] = (int)System.Net.HttpStatusCode.NotFound;
ret["content_type"] = "text/plain";
ret["keepalive"] = false;
ret["reusecontext"] = false;
ret["int_bytes"] = 0;
string MeshStr = (string)request["mesh_id"];
//m_log.DebugFormat("[GETMESH]: called {0}", MeshStr);
if (m_assetService == null)
{
m_log.Error("[GETMESH]: Cannot fetch mesh " + MeshStr + " without an asset service");
}
UUID meshID;
if (!String.IsNullOrEmpty(MeshStr) && UUID.TryParse(MeshStr, out meshID))
{
// 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)
{
Hashtable responsedata = new Hashtable();
@@ -62,6 +99,7 @@ namespace OpenSim.Capabilities.Handlers
responsedata["content_type"] = "text/plain";
responsedata["keepalive"] = false;
responsedata["str_response_string"] = "Request wasn't what was expected";
responsedata["reusecontext"] = false;
string meshStr = string.Empty;
@@ -77,6 +115,7 @@ namespace OpenSim.Capabilities.Handlers
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;
}
@@ -86,9 +125,83 @@ namespace OpenSim.Capabilities.Handlers
{
if (mesh.Type == (SByte)AssetType.Mesh)
{
responsedata["str_response_string"] = Convert.ToBase64String(mesh.Data);
responsedata["content_type"] = "application/vnd.ll.mesh";
responsedata["int_response_code"] = 200;
Hashtable headers = new Hashtable();
responsedata["headers"] = headers;
string range = String.Empty;
if (((Hashtable)request["headers"])["range"] != null)
range = (string)((Hashtable)request["headers"])["range"];
else if (((Hashtable)request["headers"])["Range"] != null)
range = (string)((Hashtable)request["headers"])["Range"];
if (!String.IsNullOrEmpty(range)) // Mesh Asset LOD // Physics
{
// 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
if (start >= mesh.Data.Length)
{
responsedata["int_response_code"] = 404; //501; //410; //404;
responsedata["content_type"] = "text/plain";
responsedata["keepalive"] = false;
responsedata["str_response_string"] = "This range doesnt exist.";
responsedata["reusecontext"] = false;
return responsedata;
}
else
{
end = Utils.Clamp(end, 0, mesh.Data.Length - 1);
start = Utils.Clamp(start, 0, end);
int len = end - start + 1;
//m_log.Debug("Serving " + start + " to " + end + " of " + texture.Data.Length + " bytes for texture " + texture.ID);
if (start == 0 && len == mesh.Data.Length) // well redudante maybe
{
responsedata["int_response_code"] = (int) System.Net.HttpStatusCode.OK;
responsedata["bin_response_data"] = mesh.Data;
responsedata["int_bytes"] = mesh.Data.Length;
responsedata["reusecontext"] = false;
}
else
{
responsedata["int_response_code"] =
(int) System.Net.HttpStatusCode.PartialContent;
headers["Content-Range"] = String.Format("bytes {0}-{1}/{2}", start, end,
mesh.Data.Length);
byte[] d = new byte[len];
Array.Copy(mesh.Data, start, d, 0, len);
responsedata["bin_response_data"] = d;
responsedata["int_bytes"] = len;
responsedata["reusecontext"] = false;
}
}
}
else
{
m_log.Warn("[GETMESH]: Failed to parse a range from GetMesh request, sending full asset: " + (string)request["uri"]);
responsedata["str_response_string"] = Convert.ToBase64String(mesh.Data);
responsedata["content_type"] = "application/vnd.ll.mesh";
responsedata["int_response_code"] = 200;
responsedata["reusecontext"] = false;
}
}
else
{
responsedata["str_response_string"] = Convert.ToBase64String(mesh.Data);
responsedata["content_type"] = "application/vnd.ll.mesh";
responsedata["int_response_code"] = 200;
responsedata["reusecontext"] = false;
}
}
// Optionally add additional mesh types here
else
@@ -97,6 +210,7 @@ namespace OpenSim.Capabilities.Handlers
responsedata["content_type"] = "text/plain";
responsedata["keepalive"] = false;
responsedata["str_response_string"] = "Unfortunately, this asset isn't a mesh.";
responsedata["reusecontext"] = false;
return responsedata;
}
}
@@ -106,11 +220,27 @@ namespace OpenSim.Capabilities.Handlers
responsedata["content_type"] = "text/plain";
responsedata["keepalive"] = false;
responsedata["str_response_string"] = "Your Mesh wasn't found. Sorry!";
responsedata["reusecontext"] = false;
return responsedata;
}
}
return responsedata;
}
private bool TryParseRange(string header, out int start, out int end)
{
if (header.StartsWith("bytes="))
{
string[] rangeValues = header.Substring(6).Split('-');
if (rangeValues.Length == 2)
{
if (Int32.TryParse(rangeValues[0], out start) && Int32.TryParse(rangeValues[1], out end))
return true;
}
}
start = end = 0;
return false;
}
}
}