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/*
* 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.Generic;
using System.Net;
using System.Reflection;
using Nini.Config;
using log4net;
using OpenSim.Framework;
using OpenSim.Framework.Console;
using OpenSim.Data;
using OpenSim.Services.Interfaces;
using GridRegion = OpenSim.Services.Interfaces.GridRegion;
using OpenMetaverse;
namespace OpenSim.Services.GridService
{
public class GridService : GridServiceBase, IGridService
{
private static readonly ILog m_log =
LogManager.GetLogger(
MethodBase.GetCurrentMethod().DeclaringType);
public GridService(IConfigSource config)
: base(config)
{
m_log.DebugFormat("[GRID SERVICE]: Starting...");
}
#region IGridService
public bool RegisterRegion(UUID scopeID, GridRegion regionInfos)
{
// This needs better sanity testing. What if regionInfo is registering in
// overlapping coords?
RegionData region = m_Database.Get(regionInfos.RegionLocX, regionInfos.RegionLocY, scopeID);
if ((region != null) && (region.RegionID != regionInfos.RegionID))
{
m_log.WarnFormat("[GRID SERVICE]: Region {0} tried to register in coordinates {1}, {2} which are already in use in scope {3}.",
regionInfos.RegionID, regionInfos.RegionLocX, regionInfos.RegionLocY, scopeID);
return false;
}
if ((region != null) && (region.RegionID == regionInfos.RegionID) &&
((region.posX != regionInfos.RegionLocX) || (region.posY != regionInfos.RegionLocY)))
{
// Region reregistering in other coordinates. Delete the old entry
m_log.DebugFormat("[GRID SERVICE]: Region {0} ({1}) was previously registered at {2}-{3}. Deleting old entry.",
regionInfos.RegionName, regionInfos.RegionID, regionInfos.RegionLocX, regionInfos.RegionLocY);
try
{
m_Database.Delete(regionInfos.RegionID);
}
catch (Exception e)
{
m_log.DebugFormat("[GRID SERVICE]: Database exception: {0}", e);
}
}
// Everything is ok, let's register
RegionData rdata = RegionInfo2RegionData(regionInfos);
rdata.ScopeID = scopeID;
try
{
m_Database.Store(rdata);
}
catch (Exception e)
{
m_log.DebugFormat("[GRID SERVICE]: Database exception: {0}", e);
}
m_log.DebugFormat("[GRID SERVICE]: Region {0} ({1}) registered successfully at {2}-{3}",
regionInfos.RegionName, regionInfos.RegionID, regionInfos.RegionLocX, regionInfos.RegionLocY);
return true;
}
public bool DeregisterRegion(UUID regionID)
{
m_log.DebugFormat("[GRID SERVICE]: Region {0} deregistered", regionID);
return m_Database.Delete(regionID);
}
public List<GridRegion> GetNeighbours(UUID scopeID, UUID regionID)
{
List<GridRegion> rinfos = new List<GridRegion>();
RegionData region = m_Database.Get(regionID, scopeID);
if (region != null)
{
// Not really? Maybe?
List<RegionData> rdatas = m_Database.Get(region.posX - (int)Constants.RegionSize, region.posY - (int)Constants.RegionSize,
region.posX + (int)Constants.RegionSize, region.posY + (int)Constants.RegionSize, scopeID);
foreach (RegionData rdata in rdatas)
if (rdata.RegionID != regionID)
rinfos.Add(RegionData2RegionInfo(rdata));
}
return rinfos;
}
public GridRegion GetRegionByUUID(UUID scopeID, UUID regionID)
{
RegionData rdata = m_Database.Get(regionID, scopeID);
if (rdata != null)
return RegionData2RegionInfo(rdata);
return null;
}
public GridRegion GetRegionByPosition(UUID scopeID, int x, int y)
{
int snapX = (int)(x / Constants.RegionSize) * (int)Constants.RegionSize;
int snapY = (int)(y / Constants.RegionSize) * (int)Constants.RegionSize;
RegionData rdata = m_Database.Get(snapX, snapY, scopeID);
if (rdata != null)
return RegionData2RegionInfo(rdata);
return null;
}
public GridRegion GetRegionByName(UUID scopeID, string regionName)
{
List<RegionData> rdatas = m_Database.Get(regionName + "%", scopeID);
if ((rdatas != null) && (rdatas.Count > 0))
return RegionData2RegionInfo(rdatas[0]); // get the first
return null;
}
public List<GridRegion> GetRegionsByName(UUID scopeID, string name, int maxNumber)
{
List<RegionData> rdatas = m_Database.Get("%" + name + "%", scopeID);
int count = 0;
List<GridRegion> rinfos = new List<GridRegion>();
if (rdatas != null)
{
foreach (RegionData rdata in rdatas)
{
if (count++ < maxNumber)
rinfos.Add(RegionData2RegionInfo(rdata));
}
}
return rinfos;
}
public List<GridRegion> GetRegionRange(UUID scopeID, int xmin, int xmax, int ymin, int ymax)
{
int xminSnap = (int)(xmin / Constants.RegionSize) * (int)Constants.RegionSize;
int xmaxSnap = (int)(xmax / Constants.RegionSize) * (int)Constants.RegionSize;
int yminSnap = (int)(ymin / Constants.RegionSize) * (int)Constants.RegionSize;
int ymaxSnap = (int)(ymax / Constants.RegionSize) * (int)Constants.RegionSize;
List<RegionData> rdatas = m_Database.Get(xminSnap, yminSnap, xmaxSnap, ymaxSnap, scopeID);
List<GridRegion> rinfos = new List<GridRegion>();
foreach (RegionData rdata in rdatas)
rinfos.Add(RegionData2RegionInfo(rdata));
return rinfos;
}
#endregion
#region Data structure conversions
protected RegionData RegionInfo2RegionData(GridRegion rinfo)
{
RegionData rdata = new RegionData();
rdata.posX = (int)rinfo.RegionLocX;
rdata.posY = (int)rinfo.RegionLocY;
rdata.RegionID = rinfo.RegionID;
rdata.RegionName = rinfo.RegionName;
rdata.Data = rinfo.ToKeyValuePairs();
rdata.Data["regionHandle"] = Utils.UIntsToLong((uint)rdata.posX, (uint)rdata.posY);
return rdata;
}
protected GridRegion RegionData2RegionInfo(RegionData rdata)
{
GridRegion rinfo = new GridRegion(rdata.Data);
rinfo.RegionLocX = rdata.posX;
rinfo.RegionLocY = rdata.posY;
rinfo.RegionID = rdata.RegionID;
rinfo.RegionName = rdata.RegionName;
rinfo.ScopeID = rdata.ScopeID;
return rinfo;
}
#endregion
}
}
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