<commit_before>/*
 * 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.Collections;
using System.Collections.Generic;
using System.Reflection;
using System.Threading;
using log4net;
using Nini.Config;
using Mono.Addins;
using OpenMetaverse;
using OpenSim.Framework;
using OpenSim.Framework.Servers;
using OpenSim.Framework.Servers.HttpServer;
using OpenSim.Region.Framework.Interfaces;
using OpenSim.Region.Framework.Scenes;
using OpenSim.Services.Interfaces;
using Caps = OpenSim.Framework.Capabilities.Caps;
using OpenSim.Capabilities.Handlers;
using OpenSim.Framework.Monitoring;

namespace OpenSim.Region.ClientStack.Linden
{

    /// <summary>
    /// This module implements both WebFetchTextureDescendents and FetchTextureDescendents2 capabilities.
    /// </summary>
    [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "GetTextureModule")]
    public class GetTextureModule : INonSharedRegionModule
    {

        struct aPollRequest
        {
            public PollServiceTextureEventArgs thepoll;
            public UUID reqID;
            public Hashtable request;
        }

        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);

        private Scene m_scene;

        private static GetTextureHandler m_getTextureHandler;

        private IAssetService m_assetService = null;

        private Dictionary<UUID, string> m_capsDict = new Dictionary<UUID, string>();
        private static Thread[] m_workerThreads = null;

        private static OpenMetaverse.BlockingQueue<aPollRequest> m_queue =
                new OpenMetaverse.BlockingQueue<aPollRequest>();

        #region ISharedRegionModule Members

        public void Initialise(IConfigSource source)
        {
        }

        public void AddRegion(Scene s)
        {
            m_scene = s;
            m_assetService = s.AssetService;
        }

        public void RemoveRegion(Scene s)
        {
            m_scene.EventManager.OnRegisterCaps -= RegisterCaps;
            m_scene.EventManager.OnDeregisterCaps -= DeregisterCaps;
            m_scene = null;
        }

        public void RegionLoaded(Scene s)
        {
            // We'll reuse the same handler for all requests.
            m_getTextureHandler = new GetTextureHandler(m_assetService);

            m_scene.EventManager.OnRegisterCaps += RegisterCaps;
            m_scene.EventManager.OnDeregisterCaps += DeregisterCaps;

            if (m_workerThreads == null)
            {
                m_workerThreads = new Thread[4];

                for (uint i = 0; i < 4; i++)
                {
                    m_workerThreads[i] = Watchdog.StartThread(DoTextureRequests,
                            String.Format("TextureWorkerThread{0}", i),
                            ThreadPriority.Normal,
                            false,
                            false,
                            null,
                            int.MaxValue);
                }
            }
        }

        public void PostInitialise()
        {
        }

        public void Close() { }

        public string Name { get { return "GetTextureModule"; } }

        public Type ReplaceableInterface
        {
            get { return null; }
        }<commit_msg>Make texture sedning use only two threads to make things less harsh on bandwidth<commit_after>/*
 * 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.Collections;
using System.Collections.Generic;
using System.Reflection;
using System.Threading;
using log4net;
using Nini.Config;
using Mono.Addins;
using OpenMetaverse;
using OpenSim.Framework;
using OpenSim.Framework.Servers;
using OpenSim.Framework.Servers.HttpServer;
using OpenSim.Region.Framework.Interfaces;
using OpenSim.Region.Framework.Scenes;
using OpenSim.Services.Interfaces;
using Caps = OpenSim.Framework.Capabilities.Caps;
using OpenSim.Capabilities.Handlers;
using OpenSim.Framework.Monitoring;

namespace OpenSim.Region.ClientStack.Linden
{

    /// <summary>
    /// This module implements both WebFetchTextureDescendents and FetchTextureDescendents2 capabilities.
    /// </summary>
    [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "GetTextureModule")]
    public class GetTextureModule : INonSharedRegionModule
    {

        struct aPollRequest
        {
            public PollServiceTextureEventArgs thepoll;
            public UUID reqID;
            public Hashtable request;
        }

        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);

        private Scene m_scene;

        private static GetTextureHandler m_getTextureHandler;

        private IAssetService m_assetService = null;

        private Dictionary<UUID, string> m_capsDict = new Dictionary<UUID, string>();
        private static Thread[] m_workerThreads = null;

        private static OpenMetaverse.BlockingQueue<aPollRequest> m_queue =
                new OpenMetaverse.BlockingQueue<aPollRequest>();

        #region ISharedRegionModule Members

        public void Initialise(IConfigSource source)
        {
        }

        public void AddRegion(Scene s)
        {
            m_scene = s;
            m_assetService = s.AssetService;
        }

        public void RemoveRegion(Scene s)
        {
            m_scene.EventManager.OnRegisterCaps -= RegisterCaps;
            m_scene.EventManager.OnDeregisterCaps -= DeregisterCaps;
            m_scene = null;
        }

        public void RegionLoaded(Scene s)
        {
            // We'll reuse the same handler for all requests.
            m_getTextureHandler = new GetTextureHandler(m_assetService);

            m_scene.EventManager.OnRegisterCaps += RegisterCaps;
            m_scene.EventManager.OnDeregisterCaps += DeregisterCaps;

            if (m_workerThreads == null)
            {
                m_workerThreads = new Thread[2];

                for (uint i = 0; i < 2; i++)
                {
                    m_workerThreads[i] = Watchdog.StartThread(DoTextureRequests,
                            String.Format("TextureWorkerThread{0}", i),
                            ThreadPriority.Normal,
                            false,
                            false,
                            null,
                            int.MaxValue);
                }
            }
        }

        public void PostInitialise()
        {
        }

        public void Close() { }

        public string Name { get { return "GetTextureModule"; } }

        public Type ReplaceableInterface
        {
            get { return null; }
        }
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