aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/OpenSim/Services/Interfaces/IGridService.cs
blob: 0b318b31958b59cacf8cd8efe598069608927d3f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
/*
 * 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 System.Net;
using System.Net.Sockets;
using System.Reflection;

using OpenSim.Framework;
using OpenMetaverse;

using log4net;

namespace OpenSim.Services.Interfaces
{
    public interface IGridService
    {
        /// <summary>
        /// Register a region with the grid service.
        /// </summary>
        /// <param name="regionInfos"> </param>
        /// <returns></returns>
        /// <exception cref="System.Exception">Thrown if region registration failed</exception>
        string RegisterRegion(UUID scopeID, GridRegion regionInfos);

        /// <summary>
        /// Deregister a region with the grid service.
        /// </summary>
        /// <param name="regionID"></param>
        /// <returns></returns>
        /// <exception cref="System.Exception">Thrown if region deregistration failed</exception>
        bool DeregisterRegion(UUID regionID);

        /// <summary>
        /// Get information about the regions neighbouring the given co-ordinates (in meters).
        /// </summary>
        /// <param name="x"></param>
        /// <param name="y"></param>
        /// <returns></returns>
        List<GridRegion> GetNeighbours(UUID scopeID, UUID regionID);

        GridRegion GetRegionByUUID(UUID scopeID, UUID regionID);

        /// <summary>
        /// Get the region at the given position (in meters)
        /// </summary>
        /// <param name="scopeID"></param>
        /// <param name="x"></param>
        /// <param name="y"></param>
        /// <returns></returns>
        GridRegion GetRegionByPosition(UUID scopeID, int x, int y);

        /// <summary>
        /// Get information about a region which exactly matches the name given.
        /// </summary>
        /// <param name="scopeID"></param>
        /// <param name="regionName"></param>
        /// <returns>Returns the region information if the name matched.  Null otherwise.</returns>
        GridRegion GetRegionByName(UUID scopeID, string regionName);

        /// <summary>
        /// Get information about regions starting with the provided name. 
        /// </summary>
        /// <param name="name">
        /// The name to match against.
        /// </param>
        /// <param name="maxNumber">
        /// The maximum number of results to return.
        /// </param>
        /// <returns>
        /// A list of <see cref="RegionInfo"/>s of regions with matching name. If the
        /// grid-server couldn't be contacted or returned an error, return null. 
        /// </returns>
        List<GridRegion> GetRegionsByName(UUID scopeID, string name, int maxNumber);

        List<GridRegion> GetRegionRange(UUID scopeID, int xmin, int xmax, int ymin, int ymax);

        List<GridRegion> GetDefaultRegions(UUID scopeID);
        List<GridRegion> GetDefaultHypergridRegions(UUID scopeID);
        List<GridRegion> GetFallbackRegions(UUID scopeID, int x, int y);
        List<GridRegion> GetHyperlinks(UUID scopeID);

        /// <summary>
        /// Get internal OpenSimulator region flags.
        /// </summary>
        /// <remarks>
        /// See OpenSimulator.Framework.RegionFlags.  These are not returned in the GridRegion structure -
        /// they currently need to be requested separately.  Possibly this should change to avoid multiple service calls
        /// in some situations.
        /// </remarks>
        /// <returns>
        /// The region flags.
        /// </returns>
        /// <param name='scopeID'></param>
        /// <param name='regionID'></param>
        int GetRegionFlags(UUID scopeID, UUID regionID);

        Dictionary<string,object> GetExtraFeatures();
    }

    public class GridRegion
    {
//        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);

#pragma warning disable 414
        private static readonly string LogHeader = "[GRID REGION]";
#pragma warning restore 414

        /// <summary>
        /// The port by which http communication occurs with the region 
        /// </summary>
        public uint HttpPort { get; set; }

        /// <summary>
        /// A well-formed URI for the host region server (namely "http://" + ExternalHostName)
        /// </summary>
        public string ServerURI
        {
            get { 
                if (!String.IsNullOrEmpty(m_serverURI)) {
                    return m_serverURI;
                } else {
                    if (HttpPort == 0)
                        return "http://" + m_externalHostName + "/";
                    else
                        return "http://" + m_externalHostName + ":" + HttpPort + "/";
                }
            }
            set { 
                if (value.EndsWith("/")) {
                    m_serverURI = value;
                } else {
                    m_serverURI = value + '/';
                }
            }
        }
        protected string m_serverURI;

        /// <summary>
        /// Provides direct access to the 'm_serverURI' field, without returning a generated URL if m_serverURI is missing.
        /// </summary>
        public string RawServerURI
        {
            get { return m_serverURI; }
            set { m_serverURI = value; }
        }


        public string RegionName
        {
            get { return m_regionName; }
            set { m_regionName = value; }
        }
        protected string m_regionName = String.Empty;

        /// <summary>
        /// Region flags.
        /// </summary>
        /// <remarks>
        /// If not set (chiefly if a robust service is running code pre OpenSim 0.8.1) then this will be null and
        /// should be ignored.  If you require flags information please use the separate IGridService.GetRegionFlags() call
        /// XXX: This field is currently ignored when used in RegisterRegion, but could potentially be
        /// used to set flags at this point.
        /// </remarks>
        public OpenSim.Framework.RegionFlags? RegionFlags { get; set; }

        protected string m_externalHostName;

        protected IPEndPoint m_internalEndPoint;

        /// <summary>
        /// The co-ordinate of this region in region units.
        /// </summary>
        public int RegionCoordX { get { return (int)Util.WorldToRegionLoc((uint)RegionLocX); } }

        /// <summary>
        /// The co-ordinate of this region in region units
        /// </summary>
        public int RegionCoordY { get { return (int)Util.WorldToRegionLoc((uint)RegionLocY); } }

        /// <summary>
        /// The location of this region in meters.
        /// DANGER DANGER! Note that this name means something different in RegionInfo.
        /// </summary>
        public int RegionLocX
        {
            get { return m_regionLocX; }
            set { m_regionLocX = value; }
        }
        protected int m_regionLocX;

        public int RegionSizeX { get; set; }
        public int RegionSizeY { get; set; }

        /// <summary>
        /// The location of this region in meters.
        /// DANGER DANGER! Note that this name means something different in RegionInfo.
        /// </summary>
        public int RegionLocY
        {
            get { return m_regionLocY; }
            set { m_regionLocY = value; }
        }
        protected int m_regionLocY;

        protected UUID m_estateOwner;

        public UUID EstateOwner
        {
            get { return m_estateOwner; }
            set { m_estateOwner = value; }
        }

        public UUID RegionID = UUID.Zero;
        public UUID ScopeID = UUID.Zero;

        public UUID TerrainImage = UUID.Zero;
        public UUID ParcelImage = UUID.Zero;
        public byte Access;
        public int  Maturity;
        public string RegionSecret = string.Empty;
        public string Token = string.Empty;

        public GridRegion()
        {
            RegionSizeX = (int)Constants.RegionSize;
            RegionSizeY = (int)Constants.RegionSize;
            m_serverURI = string.Empty;
        }

        /*
        public GridRegion(int regionLocX, int regionLocY, IPEndPoint internalEndPoint, string externalUri)
        {
            m_regionLocX = regionLocX;
            m_regionLocY = regionLocY;
            RegionSizeX = (int)Constants.RegionSize;
            RegionSizeY = (int)Constants.RegionSize;

            m_internalEndPoint = internalEndPoint;
            m_externalHostName = externalUri;
        }

        public GridRegion(int regionLocX, int regionLocY, string externalUri, uint port)
        {
            m_regionLocX = regionLocX;
            m_regionLocY = regionLocY;
            RegionSizeX = (int)Constants.RegionSize;
            RegionSizeY = (int)Constants.RegionSize;

            m_externalHostName = externalUri;

            m_internalEndPoint = new IPEndPoint(IPAddress.Parse("0.0.0.0"), (int)port);
        }
         */

        public GridRegion(uint xcell, uint ycell)
        {
            m_regionLocX = (int)Util.RegionToWorldLoc(xcell);
            m_regionLocY = (int)Util.RegionToWorldLoc(ycell);
            RegionSizeX = (int)Constants.RegionSize;
            RegionSizeY = (int)Constants.RegionSize;
        }

        public GridRegion(RegionInfo ConvertFrom)
        {
            m_regionName = ConvertFrom.RegionName;
            m_regionLocX = (int)(ConvertFrom.WorldLocX);
            m_regionLocY = (int)(ConvertFrom.WorldLocY);
            RegionSizeX = (int)ConvertFrom.RegionSizeX;
            RegionSizeY = (int)ConvertFrom.RegionSizeY;
            m_internalEndPoint = ConvertFrom.InternalEndPoint;
            m_externalHostName = ConvertFrom.ExternalHostName;
            HttpPort = ConvertFrom.HttpPort;
            RegionID = ConvertFrom.RegionID;
            ServerURI = ConvertFrom.ServerURI;
            TerrainImage = ConvertFrom.RegionSettings.TerrainImageID;
            ParcelImage = ConvertFrom.RegionSettings.ParcelImageID;
            Access = ConvertFrom.AccessLevel;
            Maturity = ConvertFrom.RegionSettings.Maturity;
            RegionSecret = ConvertFrom.regionSecret;
            EstateOwner = ConvertFrom.EstateSettings.EstateOwner;
        }

        public GridRegion(GridRegion ConvertFrom)
        {
            m_regionName = ConvertFrom.RegionName;
            RegionFlags = ConvertFrom.RegionFlags;
            m_regionLocX = ConvertFrom.RegionLocX;
            m_regionLocY = ConvertFrom.RegionLocY;
            RegionSizeX = ConvertFrom.RegionSizeX;
            RegionSizeY = ConvertFrom.RegionSizeY;
            m_internalEndPoint = ConvertFrom.InternalEndPoint;
            m_externalHostName = ConvertFrom.ExternalHostName;
            HttpPort = ConvertFrom.HttpPort;
            RegionID = ConvertFrom.RegionID;
            ServerURI = ConvertFrom.ServerURI;
            TerrainImage = ConvertFrom.TerrainImage;
            ParcelImage = ConvertFrom.ParcelImage;
            Access = ConvertFrom.Access;
            Maturity = ConvertFrom.Maturity;
            RegionSecret = ConvertFrom.RegionSecret;
            EstateOwner = ConvertFrom.EstateOwner;
        }
                
        public GridRegion(Dictionary<string, object> kvp)
        {
            if (kvp.ContainsKey("uuid"))
                RegionID = new UUID((string)kvp["uuid"]);

            if (kvp.ContainsKey("locX"))
                RegionLocX = Convert.ToInt32((string)kvp["locX"]);

            if (kvp.ContainsKey("locY"))
                RegionLocY = Convert.ToInt32((string)kvp["locY"]);

            if (kvp.ContainsKey("sizeX"))
                RegionSizeX = Convert.ToInt32((string)kvp["sizeX"]);
            else
                RegionSizeX = (int)Constants.RegionSize;

            if (kvp.ContainsKey("sizeY"))
                RegionSizeY = Convert.ToInt32((string)kvp["sizeY"]);
            else
                RegionSizeX = (int)Constants.RegionSize;

            if (kvp.ContainsKey("regionName"))
                RegionName = (string)kvp["regionName"];

            if (kvp.ContainsKey("flags") && kvp["flags"] != null)
                RegionFlags = (OpenSim.Framework.RegionFlags?)Convert.ToInt32((string)kvp["flags"]);

            if (kvp.ContainsKey("serverIP"))
            {
                //int port = 0;
                //Int32.TryParse((string)kvp["serverPort"], out port);
                //IPEndPoint ep = new IPEndPoint(IPAddress.Parse((string)kvp["serverIP"]), port);
                ExternalHostName = (string)kvp["serverIP"];
            }
            else
                ExternalHostName = "127.0.0.1";

            if (kvp.ContainsKey("serverPort"))
            {
                Int32 port = 0;
                Int32.TryParse((string)kvp["serverPort"], out port);
                InternalEndPoint = new IPEndPoint(IPAddress.Parse("0.0.0.0"), port);
            }

            if (kvp.ContainsKey("serverHttpPort"))
            {
                UInt32 port = 0;
                UInt32.TryParse((string)kvp["serverHttpPort"], out port);
                HttpPort = port;
            }

            if (kvp.ContainsKey("serverURI"))
                ServerURI = (string)kvp["serverURI"];

            if (kvp.ContainsKey("regionMapTexture"))
                UUID.TryParse((string)kvp["regionMapTexture"], out TerrainImage);

            if (kvp.ContainsKey("parcelMapTexture"))
                UUID.TryParse((string)kvp["parcelMapTexture"], out ParcelImage);

            if (kvp.ContainsKey("access"))
                Access = Byte.Parse((string)kvp["access"]);

            if (kvp.ContainsKey("regionSecret"))
                RegionSecret =(string)kvp["regionSecret"];

            if (kvp.ContainsKey("owner_uuid"))
                EstateOwner = new UUID(kvp["owner_uuid"].ToString());

            if (kvp.ContainsKey("Token"))
                Token = kvp["Token"].ToString();

            // m_log.DebugFormat("{0} New GridRegion. id={1}, loc=<{2},{3}>, size=<{4},{5}>",
            //                         LogHeader, RegionID, RegionLocX, RegionLocY, RegionSizeX, RegionSizeY);
        }
                
        public Dictionary<string, object> ToKeyValuePairs()
        {
            Dictionary<string, object> kvp = new Dictionary<string, object>();
            kvp["uuid"] = RegionID.ToString();
            kvp["locX"] = RegionLocX.ToString();
            kvp["locY"] = RegionLocY.ToString();
            kvp["sizeX"] = RegionSizeX.ToString();
            kvp["sizeY"] = RegionSizeY.ToString();
            kvp["regionName"] = RegionName;

            if (RegionFlags != null)
                kvp["flags"] = ((int)RegionFlags).ToString();

            kvp["serverIP"] = ExternalHostName; //ExternalEndPoint.Address.ToString();
            kvp["serverHttpPort"] = HttpPort.ToString();
            kvp["serverURI"] = ServerURI;
            kvp["serverPort"] = InternalEndPoint.Port.ToString();
            kvp["regionMapTexture"] = TerrainImage.ToString();
            kvp["parcelMapTexture"] = ParcelImage.ToString();
            kvp["access"] = Access.ToString();
            kvp["regionSecret"] = RegionSecret;
            kvp["owner_uuid"] = EstateOwner.ToString();
            kvp["Token"] = Token.ToString();
            // Maturity doesn't seem to exist in the DB

            return kvp;
        }

        #region Definition of equality

        /// <summary>
        /// Define equality as two regions having the same, non-zero UUID.
        /// </summary>
        public bool Equals(GridRegion region)
        {
            if ((object)region == null)
                return false;
            // Return true if the non-zero UUIDs are equal:
            return (RegionID != UUID.Zero) && RegionID.Equals(region.RegionID);
        }

        public override bool Equals(Object obj)
        {
            if (obj == null)
                return false;
            return Equals(obj as GridRegion);
        }

        public override int GetHashCode()
        {
            return RegionID.GetHashCode() ^ TerrainImage.GetHashCode() ^ ParcelImage.GetHashCode();
        }

        #endregion

        /// <value>
        /// This accessor can throw all the exceptions that Dns.GetHostAddresses can throw.
        ///
        /// XXX Isn't this really doing too much to be a simple getter, rather than an explict method?
        /// </value>
        public IPEndPoint ExternalEndPoint
        {
            get
            {
                // Old one defaults to IPv6
                //return new IPEndPoint(Dns.GetHostAddresses(m_externalHostName)[0], m_internalEndPoint.Port);

                IPAddress ia = null;
                // If it is already an IP, don't resolve it - just return directly
                if (IPAddress.TryParse(m_externalHostName, out ia))
                    return new IPEndPoint(ia, m_internalEndPoint.Port);

                // Reset for next check
                ia = null;
                try
                {
                    foreach (IPAddress Adr in Dns.GetHostAddresses(m_externalHostName))
                    {
                        if (ia == null)
                            ia = Adr;

                        if (Adr.AddressFamily == AddressFamily.InterNetwork)
                        {
                            ia = Adr;
                            break;
                        }
                    }
                }
                catch (SocketException e)
                {
                    throw new Exception(
                        "Unable to resolve local hostname " + m_externalHostName + " innerException of type '" +
                        e + "' attached to this exception", e);
                }

                return new IPEndPoint(ia, m_internalEndPoint.Port);
            }
        }

        public string ExternalHostName
        {
            get { return m_externalHostName; }
            set { m_externalHostName = value; }
        }

        public IPEndPoint InternalEndPoint
        {
            get { return m_internalEndPoint; }
            set { m_internalEndPoint = value; }
        }

        public ulong RegionHandle
        {
            get { return Util.UIntsToLong((uint)RegionLocX, (uint)RegionLocY); }
        }
    }
}