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authordiva2009-02-07 16:10:23 +0000
committerdiva2009-02-07 16:10:23 +0000
commitff0fa1290397d96dbf49477a2668fa62e9be22dc (patch)
treee7be5308f5379f5a6d2c0f663ebe0b8aa6bf87f4 /OpenSim
parentFix a .NET issue where changing a locked reference would cause a crash (diff)
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Adds support for HG linking to specific regions within an instance. The format is Host:Port:Region. Refactored the linking code from MapSearchModule to HGHyperlink, so that it can be used both by the MapSearchModule and the Console command.
Diffstat (limited to 'OpenSim')
-rw-r--r--OpenSim/Region/Application/HGOpenSimNode.cs124
-rw-r--r--OpenSim/Region/Communications/Hypergrid/HGGridServices.cs6
-rw-r--r--OpenSim/Region/Environment/Modules/World/WorldMap/MapSearchModule.cs123
-rw-r--r--OpenSim/Region/Framework/Scenes/Hypergrid/HGHyperlink.cs192
4 files changed, 264 insertions, 181 deletions
diff --git a/OpenSim/Region/Application/HGOpenSimNode.cs b/OpenSim/Region/Application/HGOpenSimNode.cs
index 2de9ddf..57c6fa3 100644
--- a/OpenSim/Region/Application/HGOpenSimNode.cs
+++ b/OpenSim/Region/Application/HGOpenSimNode.cs
@@ -79,7 +79,7 @@ namespace OpenSim
79 base.StartupSpecific(); 79 base.StartupSpecific();
80 80
81 MainConsole.Instance.Commands.AddCommand("hypergrid", "link-mapping", "link-mapping [<x> <y>] <cr>", "Set local coordinate to map HG regions to", RunCommand); 81 MainConsole.Instance.Commands.AddCommand("hypergrid", "link-mapping", "link-mapping [<x> <y>] <cr>", "Set local coordinate to map HG regions to", RunCommand);
82 MainConsole.Instance.Commands.AddCommand("hypergrid", "link-region", "link-region <Xloc> <Yloc> <HostName> <HttpPort> <LocalName> <cr>", "Link a hypergrid region", RunCommand); 82 MainConsole.Instance.Commands.AddCommand("hypergrid", "link-region", "link-region <Xloc> <Yloc> <HostName>:<HttpPort>[:<RemoteRegionName>] <cr>", "Link a hypergrid region", RunCommand);
83 } 83 }
84 84
85 protected override void InitialiseStandaloneServices(LibraryRootFolder libraryRootFolder) 85 protected override void InitialiseStandaloneServices(LibraryRootFolder libraryRootFolder)
@@ -175,50 +175,71 @@ namespace OpenSim
175 } 175 }
176 else if (command.Equals("link-region")) 176 else if (command.Equals("link-region"))
177 { 177 {
178 // link-region <Xloc> <Yloc> <HostName> <HttpPort> <LocalName> 178 if (cmdparams.Count < 3)
179 if (cmdparams.Count < 4)
180 { 179 {
181 if ((cmdparams.Count == 1) || (cmdparams.Count ==2)) 180 LinkRegionCmdUsage();
181 return;
182 }
183
184 if (cmdparams[2].Contains(":"))
185 { // New format
186 uint xloc, yloc;
187 string mapName;
188 try
182 { 189 {
183 LoadXmlLinkFile(cmdparams.ToArray()); 190 xloc = Convert.ToUInt32(cmdparams[0]);
191 yloc = Convert.ToUInt32(cmdparams[1]);
192 mapName = cmdparams[2];
193 if (cmdparams.Count > 3)
194 for (int i = 3; i < cmdparams.Count; i++)
195 mapName += " " + cmdparams[i];
196
197 Console.WriteLine(">> MapName: " + mapName);
198 //internalPort = Convert.ToUInt32(cmdparams[4]);
199 //remotingPort = Convert.ToUInt32(cmdparams[5]);
184 } 200 }
185 else 201 catch (Exception e)
186 { 202 {
203 m_log.Warn("[HGrid] Wrong format for link-region command: " + e.Message);
187 LinkRegionCmdUsage(); 204 LinkRegionCmdUsage();
205 return;
188 } 206 }
189 return;
190 }
191 207
192 RegionInfo regInfo; 208 HGHyperlink.TryLinkRegionToCoords(m_sceneManager.CurrentOrFirstScene, null, mapName, xloc, yloc);
193 uint xloc, yloc;
194 uint externalPort;
195 string externalHostName;
196 try
197 {
198 xloc = Convert.ToUInt32(cmdparams[0]);
199 yloc = Convert.ToUInt32(cmdparams[1]);
200 externalPort = Convert.ToUInt32(cmdparams[3]);
201 externalHostName = cmdparams[2];
202 //internalPort = Convert.ToUInt32(cmdparams[4]);
203 //remotingPort = Convert.ToUInt32(cmdparams[5]);
204 }
205 catch (Exception e)
206 {
207 m_log.Warn("[HGrid] Wrong format for link-region command: " + e.Message);
208 LinkRegionCmdUsage();
209 return;
210 } 209 }
210 else
211 { // old format
212 RegionInfo regInfo;
213 uint xloc, yloc;
214 uint externalPort;
215 string externalHostName;
216 try
217 {
218 xloc = Convert.ToUInt32(cmdparams[0]);
219 yloc = Convert.ToUInt32(cmdparams[1]);
220 externalPort = Convert.ToUInt32(cmdparams[3]);
221 externalHostName = cmdparams[2];
222 //internalPort = Convert.ToUInt32(cmdparams[4]);
223 //remotingPort = Convert.ToUInt32(cmdparams[5]);
224 }
225 catch (Exception e)
226 {
227 m_log.Warn("[HGrid] Wrong format for link-region command: " + e.Message);
228 LinkRegionCmdUsage();
229 return;
230 }
211 231
212 if (TryCreateLink(xloc, yloc, externalPort, externalHostName, out regInfo)) 232 //if (TryCreateLink(xloc, yloc, externalPort, externalHostName, out regInfo))
213 { 233 if (HGHyperlink.TryCreateLink(m_sceneManager.CurrentOrFirstScene, null, xloc, yloc, "", externalPort, externalHostName, out regInfo))
214 if (cmdparams.Count >= 5)
215 { 234 {
216 regInfo.RegionName = ""; 235 if (cmdparams.Count >= 5)
217 for (int i = 4; i < cmdparams.Count; i++) 236 {
218 regInfo.RegionName += cmdparams[i] + " "; 237 regInfo.RegionName = "";
238 for (int i = 4; i < cmdparams.Count; i++)
239 regInfo.RegionName += cmdparams[i] + " ";
240 }
219 } 241 }
220 } 242 }
221
222 return; 243 return;
223 } 244 }
224 } 245 }
@@ -292,49 +313,16 @@ namespace OpenSim
292 313
293 if (((realXLoc == 0) && (realYLoc == 0)) || (((realXLoc - xloc < 3896) || (xloc - realXLoc < 3896)) && ((realYLoc - yloc < 3896) || (yloc - realYLoc < 3896)))) 314 if (((realXLoc == 0) && (realYLoc == 0)) || (((realXLoc - xloc < 3896) || (xloc - realXLoc < 3896)) && ((realYLoc - yloc < 3896) || (yloc - realYLoc < 3896))))
294 { 315 {
295 if (TryCreateLink(xloc, yloc, externalPort, externalHostName, out regInfo)) 316 if (HGHyperlink.TryCreateLink(m_sceneManager.CurrentOrFirstScene, null, xloc, yloc, "", externalPort, externalHostName, out regInfo))
296 { 317 {
297 regInfo.RegionName = config.GetString("localName", ""); 318 regInfo.RegionName = config.GetString("localName", "");
298 } 319 }
299 } 320 }
300 } 321 }
301 322
302 private bool TryCreateLink(uint xloc, uint yloc, uint externalPort, string externalHostName, out RegionInfo regInfo)
303 {
304 regInfo = new RegionInfo();
305 regInfo.RegionLocX = xloc;
306 regInfo.RegionLocY = yloc;
307 regInfo.ExternalHostName = externalHostName;
308 regInfo.HttpPort = externalPort;
309 //regInfo.RemotingPort = remotingPort;
310 try
311 {
312 regInfo.InternalEndPoint = new IPEndPoint(IPAddress.Parse("0.0.0.0"), (int)0);
313 }
314 catch (Exception e)
315 {
316 m_log.Warn("[HGrid] Wrong format for link-region command: " + e.Message);
317 LinkRegionCmdUsage();
318 return false;
319 }
320 regInfo.RemotingAddress = regInfo.ExternalEndPoint.Address.ToString();
321
322 // Finally, link it
323 try
324 {
325 m_sceneManager.CurrentOrFirstScene.CommsManager.GridService.RegisterRegion(regInfo);
326 }
327 catch (Exception e)
328 {
329 m_log.Warn("[HGrid] Unable to link region: " + e.StackTrace);
330 return false;
331 }
332
333 return true;
334 }
335
336 private void LinkRegionCmdUsage() 323 private void LinkRegionCmdUsage()
337 { 324 {
325 Console.WriteLine("Usage: link-region <Xloc> <Yloc> <HostName>:<HttpPort>[:<RemoteRegionName>]");
338 Console.WriteLine("Usage: link-region <Xloc> <Yloc> <HostName> <HttpPort> [<LocalName>]"); 326 Console.WriteLine("Usage: link-region <Xloc> <Yloc> <HostName> <HttpPort> [<LocalName>]");
339 } 327 }
340 } 328 }
diff --git a/OpenSim/Region/Communications/Hypergrid/HGGridServices.cs b/OpenSim/Region/Communications/Hypergrid/HGGridServices.cs
index a39161b..2ca956b 100644
--- a/OpenSim/Region/Communications/Hypergrid/HGGridServices.cs
+++ b/OpenSim/Region/Communications/Hypergrid/HGGridServices.cs
@@ -329,14 +329,13 @@ namespace OpenSim.Region.Communications.Hypergrid
329 info.RegionSettings.TerrainImageID = ass.Metadata.FullID; 329 info.RegionSettings.TerrainImageID = ass.Metadata.FullID;
330 ass.Metadata.Type = (int)AssetType.Texture; 330 ass.Metadata.Type = (int)AssetType.Texture;
331 ass.Metadata.Temporary = false; 331 ass.Metadata.Temporary = false;
332 //imageData.CopyTo(ass.Data, 0);
333 ass.Data = imageData; 332 ass.Data = imageData;
334 m_assetcache.AddAsset(ass); 333 m_assetcache.AddAsset(ass);
335 334
336 } 335 }
337 catch (Exception e) // LEGIT: Catching problems caused by OpenJPEG p/invoke 336 catch // LEGIT: Catching problems caused by OpenJPEG p/invoke
338 { 337 {
339 Console.WriteLine("Failed getting/storing map image: " + e); 338 Console.WriteLine("[HGrid]: Failed getting/storing map image, because it is probably already in the cache");
340 } 339 }
341 } 340 }
342 341
@@ -463,6 +462,7 @@ namespace OpenSim.Region.Communications.Hypergrid
463 if (hash["region_name"] != null) 462 if (hash["region_name"] != null)
464 { 463 {
465 info.RegionName = (string)hash["region_name"]; 464 info.RegionName = (string)hash["region_name"];
465 //Console.WriteLine(">> " + info.RegionName);
466 } 466 }
467 if (hash["internal_port"] != null) 467 if (hash["internal_port"] != null)
468 { 468 {
diff --git a/OpenSim/Region/Environment/Modules/World/WorldMap/MapSearchModule.cs b/OpenSim/Region/Environment/Modules/World/WorldMap/MapSearchModule.cs
index fcac7e1..43ed1e4 100644
--- a/OpenSim/Region/Environment/Modules/World/WorldMap/MapSearchModule.cs
+++ b/OpenSim/Region/Environment/Modules/World/WorldMap/MapSearchModule.cs
@@ -44,7 +44,7 @@ namespace OpenSim.Region.Environment.Modules.World.WorldMap
44 LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); 44 LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
45 45
46 Scene m_scene = null; // only need one for communication with GridService 46 Scene m_scene = null; // only need one for communication with GridService
47 private Random random; 47 List<Scene> m_scenes = new List<Scene>();
48 48
49 #region IRegionModule Members 49 #region IRegionModule Members
50 public void Initialise(Scene scene, IConfigSource source) 50 public void Initialise(Scene scene, IConfigSource source)
@@ -52,9 +52,9 @@ namespace OpenSim.Region.Environment.Modules.World.WorldMap
52 if (m_scene == null) 52 if (m_scene == null)
53 { 53 {
54 m_scene = scene; 54 m_scene = scene;
55 random = new Random();
56 } 55 }
57 56
57 m_scenes.Add(scene);
58 scene.EventManager.OnNewClient += OnNewClient; 58 scene.EventManager.OnNewClient += OnNewClient;
59 } 59 }
60 60
@@ -65,6 +65,7 @@ namespace OpenSim.Region.Environment.Modules.World.WorldMap
65 public void Close() 65 public void Close()
66 { 66 {
67 m_scene = null; 67 m_scene = null;
68 m_scenes.Clear();
68 } 69 }
69 70
70 public string Name 71 public string Name
@@ -110,7 +111,11 @@ namespace OpenSim.Region.Environment.Modules.World.WorldMap
110 if (mapName.Contains(".") && mapName.Contains(":")) 111 if (mapName.Contains(".") && mapName.Contains(":"))
111 { 112 {
112 // It probably is a domain name. Try to link to it. 113 // It probably is a domain name. Try to link to it.
113 TryLinkRegion(remoteClient, mapName, regionInfos); 114 RegionInfo regInfo;
115 Scene cScene = GetClientScene(remoteClient);
116 regInfo = HGHyperlink.TryLinkRegion(cScene, remoteClient, mapName);
117 if (regInfo != null)
118 regionInfos.Add(regInfo);
114 } 119 }
115 } 120 }
116 121
@@ -154,116 +159,14 @@ namespace OpenSim.Region.Environment.Modules.World.WorldMap
154 return (m_scene.SceneGridService is HGSceneCommunicationService); 159 return (m_scene.SceneGridService is HGSceneCommunicationService);
155 } 160 }
156 161
157 private void TryLinkRegion(IClientAPI client, string mapName, List<RegionInfo> regionInfos) 162 private Scene GetClientScene(IClientAPI client)
158 { 163 {
159 string host = "127.0.0.1"; 164 foreach (Scene s in m_scenes)
160 string portstr;
161 uint port = 9000;
162 string[] parts = mapName.Split(new char[] { ':' });
163 if (parts.Length >= 1)
164 { 165 {
165 host = parts[0]; 166 if (client.Scene.RegionInfo.RegionHandle == s.RegionInfo.RegionHandle)
167 return s;
166 } 168 }
167 if (parts.Length >= 2) 169 return m_scene;
168 {
169 portstr = parts[1];
170 UInt32.TryParse(portstr, out port);
171 }
172
173 // Sanity check. Don't ever link to this sim.
174 IPAddress ipaddr = null;
175 try
176 {
177 ipaddr = Util.GetHostFromDNS(host);
178 }
179 catch { }
180
181 if ((ipaddr != null) &&
182 !((m_scene.RegionInfo.ExternalEndPoint.Address.Equals(ipaddr)) && (m_scene.RegionInfo.HttpPort == port)))
183 {
184 uint xloc = (uint)(random.Next(0, Int16.MaxValue));
185 RegionInfo regInfo;
186 bool success = TryCreateLink(client, xloc, 0, port, host, out regInfo);
187 if (success)
188 {
189 regInfo.RegionName = mapName;
190 regionInfos.Add(regInfo);
191 }
192 }
193 }
194
195 private bool TryCreateLink(IClientAPI client, uint xloc, uint yloc, uint externalPort, string externalHostName, out RegionInfo regInfo)
196 {
197 m_log.DebugFormat("[HGrid]: Dynamic link to {0}:{1}, in {2}-{3}", externalHostName, externalPort, xloc, yloc);
198
199 regInfo = new RegionInfo();
200 regInfo.RegionLocX = xloc;
201 regInfo.RegionLocY = yloc;
202 regInfo.ExternalHostName = externalHostName;
203 regInfo.HttpPort = externalPort;
204 try
205 {
206 regInfo.InternalEndPoint = new IPEndPoint(IPAddress.Parse("0.0.0.0"), (int)0);
207 }
208 catch (Exception e)
209 {
210 m_log.Warn("[HGrid] Wrong format for link-region: " + e.Message);
211 return false;
212 }
213 //regInfo.RemotingAddress = regInfo.ExternalEndPoint.Address.ToString();
214
215 // Finally, link it
216 try
217 {
218 m_scene.CommsManager.GridService.RegisterRegion(regInfo);
219 }
220 catch (Exception e)
221 {
222 m_log.Warn("[HGrid] Unable to dynamically link region: " + e.Message);
223 return false;
224 }
225
226 if (!Check4096(client, regInfo))
227 {
228 return false;
229 }
230
231 m_log.Debug("[HGrid] Dynamic link region succeeded");
232 return true;
233 } 170 }
234
235 /// <summary>
236 /// Cope with this viewer limitation.
237 /// </summary>
238 /// <param name="regInfo"></param>
239 /// <returns></returns>
240 private bool Check4096(IClientAPI client, RegionInfo regInfo)
241 {
242 ulong realHandle;
243 if (UInt64.TryParse(regInfo.regionSecret, out realHandle))
244 {
245 uint x, y;
246 Utils.LongToUInts(realHandle, out x, out y);
247 x = x / Constants.RegionSize;
248 y = y / Constants.RegionSize;
249
250 if ((Math.Abs((int)m_scene.RegionInfo.RegionLocX - (int)x) >= 4096) ||
251 (Math.Abs((int)m_scene.RegionInfo.RegionLocY - (int)y) >= 4096))
252 {
253 m_scene.CommsManager.GridService.DeregisterRegion(regInfo);
254 m_log.Debug("[HGrid]: Region deregistered.");
255 client.SendAlertMessage("Region is too far (" + x + ", " + y + ")");
256 return false;
257 }
258 return true;
259 }
260 else
261 {
262 m_scene.CommsManager.GridService.RegisterRegion(regInfo);
263 m_log.Debug("[HGrid]: Gnomes. Region deregistered.");
264 return false;
265 }
266 }
267
268 } 171 }
269} 172}
diff --git a/OpenSim/Region/Framework/Scenes/Hypergrid/HGHyperlink.cs b/OpenSim/Region/Framework/Scenes/Hypergrid/HGHyperlink.cs
new file mode 100644
index 0000000..6ee28cb
--- /dev/null
+++ b/OpenSim/Region/Framework/Scenes/Hypergrid/HGHyperlink.cs
@@ -0,0 +1,192 @@
1/*
2 * Copyright (c) Contributors, http://opensimulator.org/
3 * See CONTRIBUTORS.TXT for a full list of copyright holders.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of the OpenSim Project nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28using System;
29using System.Reflection;
30using System.Net;
31using OpenSim.Framework;
32using OpenSim.Framework.Communications;
33using OpenMetaverse;
34using log4net;
35using Nini.Config;
36
37namespace OpenSim.Region.Framework.Scenes.Hypergrid
38{
39 public class HGHyperlink
40 {
41 private static readonly ILog m_log =
42 LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
43 private static Random random = new Random();
44
45 public static RegionInfo TryLinkRegionToCoords(Scene m_scene, IClientAPI client, string mapName, uint xloc, uint yloc)
46 {
47 string host = "127.0.0.1";
48 string portstr;
49 string regionName = "";
50 uint port = 9000;
51 string[] parts = mapName.Split(new char[] { ':' });
52 if (parts.Length >= 1)
53 {
54 host = parts[0];
55 }
56 if (parts.Length >= 2)
57 {
58 portstr = parts[1];
59 if (!UInt32.TryParse(portstr, out port))
60 regionName = parts[1];
61 }
62 // always take the last one
63 if (parts.Length >= 3)
64 {
65 regionName = parts[2];
66 }
67
68 // Sanity check. Don't ever link to this sim.
69 IPAddress ipaddr = null;
70 try
71 {
72 ipaddr = Util.GetHostFromDNS(host);
73 }
74 catch { }
75
76 if ((ipaddr != null) &&
77 !((m_scene.RegionInfo.ExternalEndPoint.Address.Equals(ipaddr)) && (m_scene.RegionInfo.HttpPort == port)))
78 {
79 RegionInfo regInfo;
80 bool success = TryCreateLink(m_scene, client, xloc, yloc, regionName, port, host, out regInfo);
81 if (success)
82 {
83 regInfo.RegionName = mapName;
84 return regInfo;
85 }
86 }
87
88 return null;
89 }
90
91 public static RegionInfo TryLinkRegion(Scene m_scene, IClientAPI client, string mapName)
92 {
93 uint xloc = (uint)(random.Next(0, Int16.MaxValue));
94 return TryLinkRegionToCoords(m_scene, client, mapName, xloc, 0);
95 }
96
97 public static bool TryCreateLink(Scene m_scene, IClientAPI client, uint xloc, uint yloc,
98 string externalRegionName, uint externalPort, string externalHostName, out RegionInfo regInfo)
99 {
100 m_log.DebugFormat("[HGrid]: Link to {0}:{1}, in {2}-{3}", externalHostName, externalPort, xloc, yloc);
101
102 regInfo = new RegionInfo();
103 regInfo.RegionName = externalRegionName;
104 regInfo.HttpPort = externalPort;
105 regInfo.ExternalHostName = externalHostName;
106 regInfo.RegionLocX = xloc;
107 regInfo.RegionLocY = yloc;
108
109 try
110 {
111 regInfo.InternalEndPoint = new IPEndPoint(IPAddress.Parse("0.0.0.0"), (int)0);
112 }
113 catch (Exception e)
114 {
115 m_log.Warn("[HGrid]: Wrong format for link-region: " + e.Message);
116 return false;
117 }
118 //regInfo.RemotingAddress = regInfo.ExternalEndPoint.Address.ToString();
119
120 // Finally, link it
121 try
122 {
123 m_scene.CommsManager.GridService.RegisterRegion(regInfo);
124 }
125 catch (Exception e)
126 {
127 m_log.Warn("[HGrid]: Unable to link region: " + e.Message);
128 return false;
129 }
130
131 uint x, y;
132 if (!Check4096(m_scene, regInfo, out x, out y))
133 {
134 m_scene.CommsManager.GridService.DeregisterRegion(regInfo);
135 if (client != null)
136 client.SendAlertMessage("Region is too far (" + x + ", " + y + ")");
137 m_log.Info("[HGrid]: Unable to link, region is too far (" + x + ", " + y + ")");
138 return false;
139 }
140
141 if (!CheckCoords(m_scene.RegionInfo.RegionLocX, m_scene.RegionInfo.RegionLocY, x, y))
142 {
143 m_scene.CommsManager.GridService.DeregisterRegion(regInfo);
144 if (client != null)
145 client.SendAlertMessage("Region has incompatible coordinates (" + x + ", " + y + ")");
146 m_log.Info("[HGrid]: Unable to link, region has incompatible coordinates (" + x + ", " + y + ")");
147 return false;
148 }
149
150 m_log.Debug("[HGrid]: link region succeeded");
151 return true;
152 }
153
154 /// <summary>
155 /// Cope with this viewer limitation.
156 /// </summary>
157 /// <param name="regInfo"></param>
158 /// <returns></returns>
159 public static bool Check4096(Scene m_scene, RegionInfo regInfo, out uint x, out uint y)
160 {
161 ulong realHandle;
162 if (UInt64.TryParse(regInfo.regionSecret, out realHandle))
163 {
164 Utils.LongToUInts(realHandle, out x, out y);
165 x = x / Constants.RegionSize;
166 y = y / Constants.RegionSize;
167
168 if ((Math.Abs((int)m_scene.RegionInfo.RegionLocX - (int)x) >= 4096) ||
169 (Math.Abs((int)m_scene.RegionInfo.RegionLocY - (int)y) >= 4096))
170 {
171 return false;
172 }
173 return true;
174 }
175 else
176 {
177 m_scene.CommsManager.GridService.RegisterRegion(regInfo);
178 m_log.Debug("[HGrid]: Gnomes. Region deregistered.");
179 x = y = 0;
180 return false;
181 }
182 }
183
184 public static bool CheckCoords(uint thisx, uint thisy, uint x, uint y)
185 {
186 if ((thisx == x) && (thisy == y))
187 return false;
188 return true;
189 }
190
191 }
192}