300 lines
9.9 KiB
C#
300 lines
9.9 KiB
C#
/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSimulator Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using log4net;
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using Mono.Addins;
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using Nini.Config;
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using System;
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using System.Collections.Generic;
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using System.Reflection;
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using OpenSim.Framework;
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using OpenSim.Framework.Console;
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using OpenSim.Server.Base;
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using OpenSim.Region.Framework.Interfaces;
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using OpenSim.Region.Framework.Scenes;
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using OpenSim.Services.Interfaces;
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using GridRegion = OpenSim.Services.Interfaces.GridRegion;
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using OpenMetaverse;
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namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Grid
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{
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[Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "LocalGridServicesConnector")]
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public class LocalGridServicesConnector : ISharedRegionModule, IGridService
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{
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private static readonly ILog m_log =
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LogManager.GetLogger(
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MethodBase.GetCurrentMethod().DeclaringType);
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private static string LogHeader = "[LOCAL GRID SERVICE CONNECTOR]";
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private IGridService m_GridService;
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private RegionInfoCache m_RegionInfoCache;
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private HashSet<Scene> m_scenes = new HashSet<Scene>();
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private bool m_Enabled;
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public LocalGridServicesConnector()
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{
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m_log.DebugFormat("{0} LocalGridServicesConnector no parms.", LogHeader);
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}
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public LocalGridServicesConnector(IConfigSource source)
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{
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m_log.DebugFormat("{0} LocalGridServicesConnector instantiated directly.", LogHeader);
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InitialiseService(source, null);
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}
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public LocalGridServicesConnector(IConfigSource source, RegionInfoCache regionInfoCache)
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{
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m_log.DebugFormat("{0} LocalGridServicesConnector instantiated directly with cache.", LogHeader);
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InitialiseService(source, regionInfoCache);
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}
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#region ISharedRegionModule
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public Type ReplaceableInterface
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{
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get { return null; }
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}
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public string Name
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{
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get { return "LocalGridServicesConnector"; }
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}
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public void Initialise(IConfigSource source)
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{
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IConfig moduleConfig = source.Configs["Modules"];
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if (moduleConfig != null)
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{
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string name = moduleConfig.GetString("GridServices", "");
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if (name == Name)
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{
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if(InitialiseService(source, null))
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m_log.Info("[LOCAL GRID SERVICE CONNECTOR]: Local grid connector enabled");
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}
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}
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}
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private bool InitialiseService(IConfigSource source, RegionInfoCache ric)
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{
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if(ric == null && m_RegionInfoCache == null)
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m_RegionInfoCache = new RegionInfoCache();
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else
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m_RegionInfoCache = ric;
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IConfig config = source.Configs["GridService"];
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if (config == null)
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{
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m_log.Error("[LOCAL GRID SERVICE CONNECTOR]: GridService missing from OpenSim.ini");
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return false;
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}
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string serviceDll = config.GetString("LocalServiceModule", String.Empty);
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if (serviceDll == String.Empty)
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{
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m_log.Error("[LOCAL GRID SERVICE CONNECTOR]: No LocalServiceModule named in section GridService");
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return false;
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}
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Object[] args = new Object[] { source };
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m_GridService =
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ServerUtils.LoadPlugin<IGridService>(serviceDll,
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args);
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if (m_GridService == null)
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{
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m_log.Error("[LOCAL GRID SERVICE CONNECTOR]: Can't load grid service");
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return false;
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}
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m_Enabled = true;
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return true;
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}
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public void PostInitialise()
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{
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}
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public void Close()
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{
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}
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public void AddRegion(Scene scene)
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{
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if (!m_Enabled)
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return;
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lock(m_scenes)
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{
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if(!m_scenes.Contains(scene))
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m_scenes.Add(scene);
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}
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scene.RegisterModuleInterface<IGridService>(this);
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GridRegion r = new GridRegion(scene.RegionInfo);
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m_RegionInfoCache.CacheLocal(r);
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scene.EventManager.OnRegionUp += OnRegionUp;
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}
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public void RemoveRegion(Scene scene)
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{
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if (!m_Enabled)
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return;
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lock(m_scenes)
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{
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if(m_scenes.Contains(scene))
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m_scenes.Remove(scene);
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}
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m_RegionInfoCache.Remove(scene.RegionInfo.ScopeID, scene.RegionInfo.RegionHandle);
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scene.EventManager.OnRegionUp -= OnRegionUp;
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}
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public void RegionLoaded(Scene scene)
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{
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}
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#endregion
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#region IGridService
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private void OnRegionUp(GridRegion region)
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{
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// This shouldn't happen
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if (region == null)
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return;
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m_RegionInfoCache.CacheNearNeighbour(region.ScopeID, region);
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}
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public string RegisterRegion(UUID scopeID, GridRegion regionInfo)
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{
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return m_GridService.RegisterRegion(scopeID, regionInfo);
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}
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public bool DeregisterRegion(UUID regionID)
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{
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return m_GridService.DeregisterRegion(regionID);
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}
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public List<GridRegion> GetNeighbours(UUID scopeID, UUID regionID)
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{
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return m_GridService.GetNeighbours(scopeID, regionID);
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}
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public GridRegion GetRegionByUUID(UUID scopeID, UUID regionID)
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{
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bool inCache = false;
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GridRegion rinfo = m_RegionInfoCache.Get(scopeID,regionID,out inCache);
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if (inCache)
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return rinfo;
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rinfo = m_GridService.GetRegionByUUID(scopeID, regionID);
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if(rinfo != null)
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m_RegionInfoCache.Cache(scopeID, rinfo);
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return rinfo;
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}
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// Get a region given its base coordinates.
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// NOTE: this is NOT 'get a region by some point in the region'. The coordinate MUST
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// be the base coordinate of the region.
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public GridRegion GetRegionByPosition(UUID scopeID, int x, int y)
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{
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bool inCache = false;
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GridRegion rinfo = m_RegionInfoCache.Get(scopeID, (uint)x, (uint)y, out inCache);
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if (inCache)
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return rinfo;
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// Then try on this sim (may be a lookup in DB if this is using MySql).
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rinfo = m_GridService.GetRegionByPosition(scopeID, x, y);
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if(rinfo != null)
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m_RegionInfoCache.Cache(scopeID, rinfo);
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return rinfo;
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}
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public GridRegion GetRegionByName(UUID scopeID, string regionName)
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{
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bool inCache = false;
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GridRegion rinfo = m_RegionInfoCache.Get(scopeID, regionName, out inCache);
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if (inCache)
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return rinfo;
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rinfo = m_GridService.GetRegionByName(scopeID, regionName);
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if(rinfo != null)
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m_RegionInfoCache.Cache(scopeID, rinfo);
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return rinfo;
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}
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public List<GridRegion> GetRegionsByName(UUID scopeID, string name, int maxNumber)
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{
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return m_GridService.GetRegionsByName(scopeID, name, maxNumber);
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}
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public List<GridRegion> GetRegionRange(UUID scopeID, int xmin, int xmax, int ymin, int ymax)
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{
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return m_GridService.GetRegionRange(scopeID, xmin, xmax, ymin, ymax);
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}
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public List<GridRegion> GetDefaultRegions(UUID scopeID)
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{
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return m_GridService.GetDefaultRegions(scopeID);
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}
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public List<GridRegion> GetDefaultHypergridRegions(UUID scopeID)
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{
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return m_GridService.GetDefaultHypergridRegions(scopeID);
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}
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public List<GridRegion> GetFallbackRegions(UUID scopeID, int x, int y)
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{
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return m_GridService.GetFallbackRegions(scopeID, x, y);
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}
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public List<GridRegion> GetHyperlinks(UUID scopeID)
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{
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return m_GridService.GetHyperlinks(scopeID);
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}
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public int GetRegionFlags(UUID scopeID, UUID regionID)
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{
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return m_GridService.GetRegionFlags(scopeID, regionID);
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}
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public Dictionary<string, object> GetExtraFeatures()
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{
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return m_GridService.GetExtraFeatures();
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}
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#endregion
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}
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}
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