OpenSim-Test/OpenSim/Region/CoreModules/ServiceConnectorsOut/GridUser/ActivityDetector.cs

/*
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 *       derived from this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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using System;
using System.Collections.Generic;
using System.Reflection;

using OpenSim.Framework;
using OpenSim.Region.Framework.Scenes;
using OpenSim.Services.Interfaces;

using OpenMetaverse;
using log4net;

namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.GridUser
{
    public class ActivityDetector 
    {
        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);

        private IGridUserService m_GridUserService;
        private Scene m_aScene;

        public ActivityDetector(IGridUserService guservice)
        {
            m_GridUserService = guservice;
            m_log.DebugFormat("[ACTIVITY DETECTOR]: starting ");
        }

        public void AddRegion(Scene scene)
        {
            // For now the only events we listen to are these
            // But we could trigger the position update more often
            scene.EventManager.OnMakeRootAgent += OnMakeRootAgent;
            scene.EventManager.OnNewClient += OnNewClient;

            if (m_aScene == null)
                m_aScene = scene;
        }

        public void RemoveRegion(Scene scene)
        {
            scene.EventManager.OnMakeRootAgent -= OnMakeRootAgent;
            scene.EventManager.OnNewClient -= OnNewClient;
        }

        public void OnMakeRootAgent(ScenePresence sp)
        {
            m_log.DebugFormat("[ACTIVITY DETECTOR]: Detected root presence {0} in {1}", sp.UUID, sp.Scene.RegionInfo.RegionName);

            m_GridUserService.SetLastPosition(sp.UUID.ToString(), sp.Scene.RegionInfo.RegionID, sp.AbsolutePosition, sp.Lookat);
        }

        public void OnNewClient(IClientAPI client)
        {
            client.OnConnectionClosed += OnConnectionClose;
        }

        public void OnConnectionClose(IClientAPI client)
        {
            if (client.IsLoggingOut)
            {
                object sp = null;
                Vector3 position = new Vector3(128, 128, 0);
                Vector3 lookat = new Vector3(0, 1, 0);

                if (client.Scene.TryGetScenePresence(client.AgentId, out sp))
                {
                    if (sp is ScenePresence)
                    {
                        if (((ScenePresence)sp).IsChildAgent)
                            return;

                        position = ((ScenePresence)sp).AbsolutePosition;
                        lookat = ((ScenePresence)sp).Lookat;
                    }
                }
                m_log.DebugFormat("[ACTIVITY DETECTOR]: Detected client logout {0} in {1}", client.AgentId, client.Scene.RegionInfo.RegionName);
                m_GridUserService.LoggedOut(client.AgentId.ToString(), client.Scene.RegionInfo.RegionID, position, lookat);
            }

        }

    }
}