opensim – Blame information for rev 1
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1 | eva | 1 | /* |
2 | * Copyright (c) Contributors, http://opensimulator.org/ |
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3 | * See CONTRIBUTORS.TXT for a full list of copyright holders. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions are met: |
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7 | * * Redistributions of source code must retain the above copyright |
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8 | * notice, this list of conditions and the following disclaimer. |
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9 | * * Redistributions in binary form must reproduce the above copyright |
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10 | * notice, this list of conditions and the following disclaimer in the |
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11 | * documentation and/or other materials provided with the distribution. |
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12 | * * Neither the name of the OpenSimulator Project nor the |
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13 | * names of its contributors may be used to endorse or promote products |
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14 | * derived from this software without specific prior written permission. |
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15 | * |
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16 | * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY |
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17 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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19 | * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY |
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20 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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21 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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22 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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23 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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25 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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26 | */ |
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27 | |||
28 | using log4net; |
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29 | using Mono.Addins; |
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30 | using Nini.Config; |
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31 | using System; |
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32 | using System.Collections.Generic; |
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33 | using System.Reflection; |
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34 | using OpenSim.Framework; |
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35 | using OpenSim.Framework.Console; |
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36 | using OpenSim.Server.Base; |
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37 | using OpenSim.Region.Framework.Interfaces; |
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38 | using OpenSim.Region.Framework.Scenes; |
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39 | using OpenSim.Services.Interfaces; |
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40 | using GridRegion = OpenSim.Services.Interfaces.GridRegion; |
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41 | using OpenMetaverse; |
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42 | |||
43 | namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Grid |
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44 | { |
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45 | [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "LocalGridServicesConnector")] |
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46 | public class LocalGridServicesConnector : ISharedRegionModule, IGridService |
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47 | { |
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48 | private static readonly ILog m_log = |
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49 | LogManager.GetLogger( |
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50 | MethodBase.GetCurrentMethod().DeclaringType); |
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51 | private static string LogHeader = "[LOCAL GRID SERVICE CONNECTOR]"; |
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52 | |||
53 | private IGridService m_GridService; |
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54 | private Dictionary<UUID, RegionCache> m_LocalCache = new Dictionary<UUID, RegionCache>(); |
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55 | |||
56 | private bool m_Enabled; |
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57 | |||
58 | public LocalGridServicesConnector() |
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59 | { |
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60 | m_log.DebugFormat("{0} LocalGridServicesConnector no parms.", LogHeader); |
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61 | } |
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62 | |||
63 | public LocalGridServicesConnector(IConfigSource source) |
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64 | { |
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65 | m_log.DebugFormat("{0} LocalGridServicesConnector instantiated directly.", LogHeader); |
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66 | InitialiseService(source); |
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67 | } |
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68 | |||
69 | #region ISharedRegionModule |
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70 | |||
71 | public Type ReplaceableInterface |
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72 | { |
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73 | get { return null; } |
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74 | } |
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75 | |||
76 | public string Name |
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77 | { |
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78 | get { return "LocalGridServicesConnector"; } |
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79 | } |
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80 | |||
81 | public void Initialise(IConfigSource source) |
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82 | { |
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83 | IConfig moduleConfig = source.Configs["Modules"]; |
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84 | if (moduleConfig != null) |
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85 | { |
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86 | string name = moduleConfig.GetString("GridServices", ""); |
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87 | if (name == Name) |
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88 | { |
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89 | InitialiseService(source); |
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90 | m_log.Info("[LOCAL GRID SERVICE CONNECTOR]: Local grid connector enabled"); |
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91 | } |
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92 | } |
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93 | } |
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94 | |||
95 | private void InitialiseService(IConfigSource source) |
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96 | { |
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97 | IConfig assetConfig = source.Configs["GridService"]; |
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98 | if (assetConfig == null) |
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99 | { |
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100 | m_log.Error("[LOCAL GRID SERVICE CONNECTOR]: GridService missing from OpenSim.ini"); |
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101 | return; |
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102 | } |
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103 | |||
104 | string serviceDll = assetConfig.GetString("LocalServiceModule", |
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105 | String.Empty); |
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106 | |||
107 | if (serviceDll == String.Empty) |
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108 | { |
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109 | m_log.Error("[LOCAL GRID SERVICE CONNECTOR]: No LocalServiceModule named in section GridService"); |
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110 | return; |
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111 | } |
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112 | |||
113 | Object[] args = new Object[] { source }; |
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114 | m_GridService = |
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115 | ServerUtils.LoadPlugin<IGridService>(serviceDll, |
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116 | args); |
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117 | |||
118 | if (m_GridService == null) |
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119 | { |
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120 | m_log.Error("[LOCAL GRID SERVICE CONNECTOR]: Can't load grid service"); |
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121 | return; |
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122 | } |
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123 | |||
124 | m_Enabled = true; |
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125 | } |
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126 | |||
127 | public void PostInitialise() |
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128 | { |
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129 | // FIXME: We will still add this command even if we aren't enabled since RemoteGridServiceConnector |
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130 | // will have instantiated us directly. |
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131 | MainConsole.Instance.Commands.AddCommand("Regions", false, "show neighbours", |
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132 | "show neighbours", |
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133 | "Shows the local regions' neighbours", HandleShowNeighboursCommand); |
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134 | } |
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135 | |||
136 | public void Close() |
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137 | { |
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138 | } |
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139 | |||
140 | public void AddRegion(Scene scene) |
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141 | { |
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142 | if (!m_Enabled) |
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143 | return; |
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144 | |||
145 | scene.RegisterModuleInterface<IGridService>(this); |
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146 | |||
147 | lock (m_LocalCache) |
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148 | { |
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149 | if (m_LocalCache.ContainsKey(scene.RegionInfo.RegionID)) |
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150 | m_log.ErrorFormat("[LOCAL GRID SERVICE CONNECTOR]: simulator seems to have more than one region with the same UUID. Please correct this!"); |
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151 | else |
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152 | m_LocalCache.Add(scene.RegionInfo.RegionID, new RegionCache(scene)); |
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153 | } |
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154 | } |
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155 | |||
156 | public void RemoveRegion(Scene scene) |
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157 | { |
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158 | if (!m_Enabled) |
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159 | return; |
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160 | |||
161 | lock (m_LocalCache) |
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162 | { |
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163 | m_LocalCache[scene.RegionInfo.RegionID].Clear(); |
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164 | m_LocalCache.Remove(scene.RegionInfo.RegionID); |
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165 | } |
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166 | } |
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167 | |||
168 | public void RegionLoaded(Scene scene) |
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169 | { |
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170 | } |
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171 | |||
172 | #endregion |
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173 | |||
174 | #region IGridService |
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175 | |||
176 | public string RegisterRegion(UUID scopeID, GridRegion regionInfo) |
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177 | { |
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178 | return m_GridService.RegisterRegion(scopeID, regionInfo); |
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179 | } |
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180 | |||
181 | public bool DeregisterRegion(UUID regionID) |
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182 | { |
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183 | return m_GridService.DeregisterRegion(regionID); |
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184 | } |
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185 | |||
186 | public List<GridRegion> GetNeighbours(UUID scopeID, UUID regionID) |
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187 | { |
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188 | return m_GridService.GetNeighbours(scopeID, regionID); |
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189 | } |
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190 | |||
191 | public GridRegion GetRegionByUUID(UUID scopeID, UUID regionID) |
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192 | { |
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193 | return m_GridService.GetRegionByUUID(scopeID, regionID); |
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194 | } |
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195 | |||
196 | // Get a region given its base coordinates. |
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197 | // NOTE: this is NOT 'get a region by some point in the region'. The coordinate MUST |
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198 | // be the base coordinate of the region. |
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199 | public GridRegion GetRegionByPosition(UUID scopeID, int x, int y) |
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200 | { |
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201 | GridRegion region = null; |
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202 | |||
203 | // First see if it's a neighbour, even if it isn't on this sim. |
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204 | // Neighbour data is cached in memory, so this is fast |
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205 | |||
206 | lock (m_LocalCache) |
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207 | { |
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208 | foreach (RegionCache rcache in m_LocalCache.Values) |
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209 | { |
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210 | region = rcache.GetRegionByPosition(x, y); |
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211 | if (region != null) |
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212 | { |
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213 | // m_log.DebugFormat("{0} GetRegionByPosition. Found region {1} in cache. Pos=<{2},{3}>", |
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214 | // LogHeader, region.RegionName, x, y); |
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215 | break; |
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216 | } |
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217 | } |
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218 | } |
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219 | |||
220 | // Then try on this sim (may be a lookup in DB if this is using MySql). |
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221 | if (region == null) |
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222 | { |
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223 | region = m_GridService.GetRegionByPosition(scopeID, x, y); |
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224 | if (region == null) |
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225 | m_log.DebugFormat("{0} GetRegionByPosition. Region not found by grid service. Pos=<{1},{2}>", |
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226 | LogHeader, x, y); |
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227 | else |
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228 | m_log.DebugFormat("{0} GetRegionByPosition. Requested region {1} from grid service. Pos=<{2},{3}>", |
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229 | LogHeader, region.RegionName, x, y); |
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230 | } |
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231 | return region; |
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232 | } |
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233 | |||
234 | public GridRegion GetRegionByName(UUID scopeID, string regionName) |
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235 | { |
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236 | return m_GridService.GetRegionByName(scopeID, regionName); |
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237 | } |
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238 | |||
239 | public List<GridRegion> GetRegionsByName(UUID scopeID, string name, int maxNumber) |
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240 | { |
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241 | return m_GridService.GetRegionsByName(scopeID, name, maxNumber); |
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242 | } |
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243 | |||
244 | public List<GridRegion> GetRegionRange(UUID scopeID, int xmin, int xmax, int ymin, int ymax) |
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245 | { |
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246 | return m_GridService.GetRegionRange(scopeID, xmin, xmax, ymin, ymax); |
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247 | } |
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248 | |||
249 | public List<GridRegion> GetDefaultRegions(UUID scopeID) |
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250 | { |
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251 | return m_GridService.GetDefaultRegions(scopeID); |
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252 | } |
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253 | |||
254 | public List<GridRegion> GetDefaultHypergridRegions(UUID scopeID) |
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255 | { |
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256 | return m_GridService.GetDefaultHypergridRegions(scopeID); |
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257 | } |
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258 | |||
259 | public List<GridRegion> GetFallbackRegions(UUID scopeID, int x, int y) |
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260 | { |
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261 | return m_GridService.GetFallbackRegions(scopeID, x, y); |
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262 | } |
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263 | |||
264 | public List<GridRegion> GetHyperlinks(UUID scopeID) |
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265 | { |
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266 | return m_GridService.GetHyperlinks(scopeID); |
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267 | } |
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268 | |||
269 | public int GetRegionFlags(UUID scopeID, UUID regionID) |
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270 | { |
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271 | return m_GridService.GetRegionFlags(scopeID, regionID); |
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272 | } |
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273 | |||
274 | #endregion |
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275 | |||
276 | public void HandleShowNeighboursCommand(string module, string[] cmdparams) |
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277 | { |
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278 | System.Text.StringBuilder caps = new System.Text.StringBuilder(); |
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279 | |||
280 | lock (m_LocalCache) |
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281 | { |
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282 | foreach (KeyValuePair<UUID, RegionCache> kvp in m_LocalCache) |
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283 | { |
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284 | caps.AppendFormat("*** Neighbours of {0} ({1}) ***\n", kvp.Value.RegionName, kvp.Key); |
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285 | List<GridRegion> regions = kvp.Value.GetNeighbours(); |
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286 | foreach (GridRegion r in regions) |
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287 | caps.AppendFormat(" {0} @ {1}-{2}\n", r.RegionName, Util.WorldToRegionLoc((uint)r.RegionLocX), Util.WorldToRegionLoc((uint)r.RegionLocY)); |
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288 | } |
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289 | } |
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290 | |||
291 | MainConsole.Instance.Output(caps.ToString()); |
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292 | } |
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293 | } |
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294 | } |