/* * 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 OpenMetaverse; using OpenSim.Framework; using OpenSim.Data; using System.Reflection; using log4net; namespace OpenSim.Data.Null { public class NullRegionData : IRegionData { private static NullRegionData Instance = null; /// <summary> /// Should we use the static instance for all invocations? /// </summary> private bool m_useStaticInstance = true; // private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); Dictionary<UUID, RegionData> m_regionData = new Dictionary<UUID, RegionData>(); public NullRegionData(string connectionString, string realm) { // m_log.DebugFormat( // "[NULL REGION DATA]: Constructor got connectionString {0}, realm {1}", connectionString, realm); // The !static connection string is a hack so that regression tests can use this module without a high degree of fragility // in having to deal with the static reference in the once-loaded NullRegionData class. // // In standalone operation, we have to use only one instance of this class since the login service and // simulator have no other way of using a common data store. if (connectionString == "!static") m_useStaticInstance = false; else if (Instance == null) Instance = this; } private delegate bool Matcher(string value); public List<RegionData> Get(string regionName, UUID scopeID) { if (m_useStaticInstance && Instance != this) return Instance.Get(regionName, scopeID); // m_log.DebugFormat("[NULL REGION DATA]: Getting region {0}, scope {1}", regionName, scopeID); string cleanName = regionName.ToLower(); // Handle SQL wildcards const string wildcard = "%"; bool wildcardPrefix = false; bool wildcardSuffix = false; if (cleanName.Equals(wildcard)) { wildcardPrefix = wildcardSuffix = true; cleanName = string.Empty; } else { if (cleanName.StartsWith(wildcard)) { wildcardPrefix = true; cleanName = cleanName.Substring(1); } if (regionName.EndsWith(wildcard)) { wildcardSuffix = true; cleanName = cleanName.Remove(cleanName.Length - 1); } } Matcher queryMatch; if (wildcardPrefix && wildcardSuffix) queryMatch = delegate(string s) { return s.Contains(cleanName); }; else if (wildcardSuffix) queryMatch = delegate(string s) { return s.StartsWith(cleanName); }; else if (wildcardPrefix) queryMatch = delegate(string s) { return s.EndsWith(cleanName); }; else queryMatch = delegate(string s) { return s.Equals(cleanName); }; // Find region data List<RegionData> ret = new List<RegionData>(); foreach (RegionData r in m_regionData.Values) { // m_log.DebugFormat("[NULL REGION DATA]: comparing {0} to {1}", cleanName, r.RegionName.ToLower()); if (queryMatch(r.RegionName.ToLower())) ret.Add(r); } if (ret.Count > 0) return ret; return null; } public RegionData Get(int posX, int posY, UUID scopeID) { if (m_useStaticInstance && Instance != this) return Instance.Get(posX, posY, scopeID); List<RegionData> ret = new List<RegionData>(); foreach (RegionData r in m_regionData.Values) { if (r.posX == posX && r.posY == posY) ret.Add(r); } if (ret.Count > 0) return ret[0]; return null; } public RegionData Get(UUID regionID, UUID scopeID) { if (m_useStaticInstance && Instance != this) return Instance.Get(regionID, scopeID); if (m_regionData.ContainsKey(regionID)) return m_regionData[regionID]; return null; } public List<RegionData> Get(int startX, int startY, int endX, int endY, UUID scopeID) { if (m_useStaticInstance && Instance != this) return Instance.Get(startX, startY, endX, endY, scopeID); List<RegionData> ret = new List<RegionData>(); foreach (RegionData r in m_regionData.Values) { if (r.posX >= startX && r.posX <= endX && r.posY >= startY && r.posY <= endY) ret.Add(r); } return ret; } public bool Store(RegionData data) { if (m_useStaticInstance && Instance != this) return Instance.Store(data); // m_log.DebugFormat( // "[NULL REGION DATA]: Storing region {0} {1}, scope {2}", data.RegionName, data.RegionID, data.ScopeID); m_regionData[data.RegionID] = data; return true; } public bool SetDataItem(UUID regionID, string item, string value) { if (m_useStaticInstance && Instance != this) return Instance.SetDataItem(regionID, item, value); if (!m_regionData.ContainsKey(regionID)) return false; m_regionData[regionID].Data[item] = value; return true; } public bool Delete(UUID regionID) { if (m_useStaticInstance && Instance != this) return Instance.Delete(regionID); // m_log.DebugFormat("[NULL REGION DATA]: Deleting region {0}", regionID); if (!m_regionData.ContainsKey(regionID)) return false; m_regionData.Remove(regionID); return true; } public List<RegionData> GetDefaultRegions(UUID scopeID) { return Get((int)RegionFlags.DefaultRegion, scopeID); } public List<RegionData> GetFallbackRegions(UUID scopeID, int x, int y) { List<RegionData> regions = Get((int)RegionFlags.FallbackRegion, scopeID); RegionDataDistanceCompare distanceComparer = new RegionDataDistanceCompare(x, y); regions.Sort(distanceComparer); return regions; } public List<RegionData> GetHyperlinks(UUID scopeID) { return Get((int)RegionFlags.Hyperlink, scopeID); } private List<RegionData> Get(int regionFlags, UUID scopeID) { if (Instance != this) return Instance.Get(regionFlags, scopeID); List<RegionData> ret = new List<RegionData>(); foreach (RegionData r in m_regionData.Values) { if ((Convert.ToInt32(r.Data["flags"]) & regionFlags) != 0) ret.Add(r); } return ret; } } }