RegionCombinerClientEventForwarder.cs

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 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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using System;
using System.Collections.Generic;
using OpenMetaverse;
using OpenSim.Region.Framework.Scenes;

namespace OpenSim.Region.RegionCombinerModule
{
public class RegionCombinerClientEventForwarder
    {
        private Scene m_rootScene;
        private Dictionary<UUID, Scene> m_virtScene = new Dictionary<UUID, Scene>();
        private Dictionary<UUID,RegionCombinerIndividualEventForwarder> m_forwarders = new Dictionary<UUID,
            RegionCombinerIndividualEventForwarder>();

        public RegionCombinerClientEventForwarder(RegionConnections rootScene)
        {
            m_rootScene = rootScene.RegionScene;
        }

        public void AddSceneToEventForwarding(Scene virtualScene)
        {
            lock (m_virtScene)
            {
                if (m_virtScene.ContainsKey(virtualScene.RegionInfo.originRegionID))
                {
                    m_virtScene[virtualScene.RegionInfo.originRegionID] = virtualScene;
                }
                else
                {
                    m_virtScene.Add(virtualScene.RegionInfo.originRegionID, virtualScene);
                }
            }
            
            lock (m_forwarders)
            {
                // TODO: Fix this to unregister if this happens
                if (m_forwarders.ContainsKey(virtualScene.RegionInfo.originRegionID))
                    m_forwarders.Remove(virtualScene.RegionInfo.originRegionID);

                RegionCombinerIndividualEventForwarder forwarder =
                    new RegionCombinerIndividualEventForwarder(m_rootScene, virtualScene);
                m_forwarders.Add(virtualScene.RegionInfo.originRegionID, forwarder);

                virtualScene.EventManager.OnNewClient += forwarder.ClientConnect;
                virtualScene.EventManager.OnClientClosed += forwarder.ClientClosed;
            }
        }

        public void RemoveSceneFromEventForwarding (Scene virtualScene)
        {
            lock (m_forwarders)
            {
                RegionCombinerIndividualEventForwarder forwarder = m_forwarders[virtualScene.RegionInfo.originRegionID];
                virtualScene.EventManager.OnNewClient -= forwarder.ClientConnect;
                virtualScene.EventManager.OnClientClosed -= forwarder.ClientClosed;
                m_forwarders.Remove(virtualScene.RegionInfo.originRegionID);
            }
            lock (m_virtScene)
            {
                if (m_virtScene.ContainsKey(virtualScene.RegionInfo.originRegionID))
                {
                    m_virtScene.Remove(virtualScene.RegionInfo.originRegionID);
                }
            }
        }
    }
}