mirror of
https://github.com/opensim/opensim.git
synced 2026-08-06 09:16:28 +08:00
First stab at cleaning up Caps. Compiles. Untested.
This commit is contained in:
Diva Canto
257
OpenSim/Region/ClientStack/Linden/UDP/LLImageManager.cs
Normal file
257
OpenSim/Region/ClientStack/Linden/UDP/LLImageManager.cs
Normal file
@@ -0,0 +1,257 @@
|
||||
/*
|
||||
* 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.Threading;
|
||||
using System.Collections;
|
||||
using System.Collections.Generic;
|
||||
using System.Reflection;
|
||||
using OpenMetaverse;
|
||||
using OpenMetaverse.Imaging;
|
||||
using OpenSim.Framework;
|
||||
using OpenSim.Region.Framework.Interfaces;
|
||||
using OpenSim.Services.Interfaces;
|
||||
using log4net;
|
||||
|
||||
namespace OpenSim.Region.ClientStack.LindenUDP
|
||||
{
|
||||
public class LLImageManager
|
||||
{
|
||||
private sealed class J2KImageComparer : IComparer<J2KImage>
|
||||
{
|
||||
public int Compare(J2KImage x, J2KImage y)
|
||||
{
|
||||
return x.Priority.CompareTo(y.Priority);
|
||||
}
|
||||
}
|
||||
|
||||
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
|
||||
private bool m_shuttingdown;
|
||||
private AssetBase m_missingImage;
|
||||
private LLClientView m_client; //Client we're assigned to
|
||||
private IAssetService m_assetCache; //Asset Cache
|
||||
private IJ2KDecoder m_j2kDecodeModule; //Our J2K module
|
||||
private C5.IntervalHeap<J2KImage> m_priorityQueue = new C5.IntervalHeap<J2KImage>(10, new J2KImageComparer());
|
||||
private object m_syncRoot = new object();
|
||||
|
||||
public LLClientView Client { get { return m_client; } }
|
||||
public AssetBase MissingImage { get { return m_missingImage; } }
|
||||
|
||||
public LLImageManager(LLClientView client, IAssetService pAssetCache, IJ2KDecoder pJ2kDecodeModule)
|
||||
{
|
||||
m_client = client;
|
||||
m_assetCache = pAssetCache;
|
||||
|
||||
if (pAssetCache != null)
|
||||
m_missingImage = pAssetCache.Get("5748decc-f629-461c-9a36-a35a221fe21f");
|
||||
|
||||
if (m_missingImage == null)
|
||||
m_log.Error("[ClientView] - Couldn't set missing image asset, falling back to missing image packet. This is known to crash the client");
|
||||
|
||||
m_j2kDecodeModule = pJ2kDecodeModule;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Handles an incoming texture request or update to an existing texture request
|
||||
/// </summary>
|
||||
/// <param name="newRequest"></param>
|
||||
public void EnqueueReq(TextureRequestArgs newRequest)
|
||||
{
|
||||
//Make sure we're not shutting down..
|
||||
if (!m_shuttingdown)
|
||||
{
|
||||
J2KImage imgrequest;
|
||||
|
||||
// Do a linear search for this texture download
|
||||
lock (m_syncRoot)
|
||||
m_priorityQueue.Find(delegate(J2KImage img) { return img.TextureID == newRequest.RequestedAssetID; }, out imgrequest);
|
||||
|
||||
if (imgrequest != null)
|
||||
{
|
||||
if (newRequest.DiscardLevel == -1 && newRequest.Priority == 0f)
|
||||
{
|
||||
//m_log.Debug("[TEX]: (CAN) ID=" + newRequest.RequestedAssetID);
|
||||
|
||||
try
|
||||
{
|
||||
lock (m_syncRoot)
|
||||
m_priorityQueue.Delete(imgrequest.PriorityQueueHandle);
|
||||
}
|
||||
catch (Exception) { }
|
||||
}
|
||||
else
|
||||
{
|
||||
//m_log.DebugFormat("[TEX]: (UPD) ID={0}: D={1}, S={2}, P={3}",
|
||||
// newRequest.RequestedAssetID, newRequest.DiscardLevel, newRequest.PacketNumber, newRequest.Priority);
|
||||
|
||||
//Check the packet sequence to make sure this isn't older than
|
||||
//one we've already received
|
||||
if (newRequest.requestSequence > imgrequest.LastSequence)
|
||||
{
|
||||
//Update the sequence number of the last RequestImage packet
|
||||
imgrequest.LastSequence = newRequest.requestSequence;
|
||||
|
||||
//Update the requested discard level
|
||||
imgrequest.DiscardLevel = newRequest.DiscardLevel;
|
||||
|
||||
//Update the requested packet number
|
||||
imgrequest.StartPacket = Math.Max(1, newRequest.PacketNumber);
|
||||
|
||||
//Update the requested priority
|
||||
imgrequest.Priority = newRequest.Priority;
|
||||
UpdateImageInQueue(imgrequest);
|
||||
|
||||
//Run an update
|
||||
imgrequest.RunUpdate();
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if (newRequest.DiscardLevel == -1 && newRequest.Priority == 0f)
|
||||
{
|
||||
//m_log.DebugFormat("[TEX]: (IGN) ID={0}: D={1}, S={2}, P={3}",
|
||||
// newRequest.RequestedAssetID, newRequest.DiscardLevel, newRequest.PacketNumber, newRequest.Priority);
|
||||
}
|
||||
else
|
||||
{
|
||||
//m_log.DebugFormat("[TEX]: (NEW) ID={0}: D={1}, S={2}, P={3}",
|
||||
// newRequest.RequestedAssetID, newRequest.DiscardLevel, newRequest.PacketNumber, newRequest.Priority);
|
||||
|
||||
imgrequest = new J2KImage(this);
|
||||
imgrequest.J2KDecoder = m_j2kDecodeModule;
|
||||
imgrequest.AssetService = m_assetCache;
|
||||
imgrequest.AgentID = m_client.AgentId;
|
||||
imgrequest.InventoryAccessModule = m_client.Scene.RequestModuleInterface<IInventoryAccessModule>();
|
||||
imgrequest.DiscardLevel = newRequest.DiscardLevel;
|
||||
imgrequest.StartPacket = Math.Max(1, newRequest.PacketNumber);
|
||||
imgrequest.Priority = newRequest.Priority;
|
||||
imgrequest.TextureID = newRequest.RequestedAssetID;
|
||||
imgrequest.Priority = newRequest.Priority;
|
||||
|
||||
//Add this download to the priority queue
|
||||
AddImageToQueue(imgrequest);
|
||||
|
||||
//Run an update
|
||||
imgrequest.RunUpdate();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public bool ProcessImageQueue(int packetsToSend)
|
||||
{
|
||||
int packetsSent = 0;
|
||||
|
||||
while (packetsSent < packetsToSend)
|
||||
{
|
||||
J2KImage image = GetHighestPriorityImage();
|
||||
|
||||
// If null was returned, the texture priority queue is currently empty
|
||||
if (image == null)
|
||||
return false;
|
||||
|
||||
if (image.IsDecoded)
|
||||
{
|
||||
int sent;
|
||||
bool imageDone = image.SendPackets(m_client, packetsToSend - packetsSent, out sent);
|
||||
packetsSent += sent;
|
||||
|
||||
// If the send is complete, destroy any knowledge of this transfer
|
||||
if (imageDone)
|
||||
RemoveImageFromQueue(image);
|
||||
}
|
||||
else
|
||||
{
|
||||
// TODO: This is a limitation of how LLImageManager is currently
|
||||
// written. Undecoded textures should not be going into the priority
|
||||
// queue, because a high priority undecoded texture will clog up the
|
||||
// pipeline for a client
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
return m_priorityQueue.Count > 0;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Faux destructor
|
||||
/// </summary>
|
||||
public void Close()
|
||||
{
|
||||
m_shuttingdown = true;
|
||||
}
|
||||
|
||||
#region Priority Queue Helpers
|
||||
|
||||
J2KImage GetHighestPriorityImage()
|
||||
{
|
||||
J2KImage image = null;
|
||||
|
||||
lock (m_syncRoot)
|
||||
{
|
||||
if (m_priorityQueue.Count > 0)
|
||||
{
|
||||
try { image = m_priorityQueue.FindMax(); }
|
||||
catch (Exception) { }
|
||||
}
|
||||
}
|
||||
return image;
|
||||
}
|
||||
|
||||
void AddImageToQueue(J2KImage image)
|
||||
{
|
||||
image.PriorityQueueHandle = null;
|
||||
|
||||
lock (m_syncRoot)
|
||||
try { m_priorityQueue.Add(ref image.PriorityQueueHandle, image); }
|
||||
catch (Exception) { }
|
||||
}
|
||||
|
||||
void RemoveImageFromQueue(J2KImage image)
|
||||
{
|
||||
lock (m_syncRoot)
|
||||
try { m_priorityQueue.Delete(image.PriorityQueueHandle); }
|
||||
catch (Exception) { }
|
||||
}
|
||||
|
||||
void UpdateImageInQueue(J2KImage image)
|
||||
{
|
||||
lock (m_syncRoot)
|
||||
{
|
||||
try { m_priorityQueue.Replace(image.PriorityQueueHandle, image); }
|
||||
catch (Exception)
|
||||
{
|
||||
image.PriorityQueueHandle = null;
|
||||
m_priorityQueue.Add(ref image.PriorityQueueHandle, image);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#endregion Priority Queue Helpers
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user