aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/OpenSim/Services/GridService/GridService.cs
blob: 66bbff037dba352eb0e3ce660be78eb7a296b722 (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
/*
 * 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);

        private bool m_DeleteOnUnregister = true;
        private static GridService m_RootInstance = null;
        protected IConfigSource m_config;

        public GridService(IConfigSource config)
            : base(config)
        {
            m_log.DebugFormat("[GRID SERVICE]: Starting...");

            m_config = config;
            IConfig gridConfig = config.Configs["GridService"];
            if (gridConfig != null)
            {
                m_DeleteOnUnregister = gridConfig.GetBoolean("DeleteOnUnregister", true);
            }
            
            if (m_RootInstance == null)
            {
                m_RootInstance = this;

                MainConsole.Instance.Commands.AddCommand("grid", true,
                        "show region",
                        "show region <Region name>",
                        "Show details on a region",
                        String.Empty,
                        HandleShowRegion);

                MainConsole.Instance.Commands.AddCommand("grid", true,
                        "set region flags",
                        "set region flags <Region name> <flags>",
                        "Set database flags for region",
                        String.Empty,
                        HandleSetFlags);
            }
        }

        #region IGridService

        public bool RegisterRegion(UUID scopeID, GridRegion regionInfos)
        {
            IConfig gridConfig = m_config.Configs["GridService"];
            // 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;
            
            if (region != null)
            {
                rdata.Data["flags"] = region.Data["flags"]; // Preserve fields
            }
            else
            {
                rdata.Data["flags"] = "0";
                if (gridConfig != null)
                {
                    int newFlags = 0;
                    newFlags = ParseFlags(newFlags, gridConfig.GetString("Region_" + rdata.RegionName, String.Empty));
                    newFlags = ParseFlags(newFlags, gridConfig.GetString("Region_" + rdata.RegionID.ToString(), String.Empty));
                    rdata.Data["flags"] = newFlags.ToString();
                }
            }

            int flags = Convert.ToInt32(rdata.Data["flags"]);
            flags |= (int)OpenSim.Data.RegionFlags.RegionOnline;
            rdata.Data["flags"] = flags.ToString();

            try
            {
                rdata.Data["last_seen"] = Util.UnixTimeSinceEpoch();
                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);
            RegionData region = m_Database.Get(regionID, UUID.Zero);
            if (region == null)
                return false;

            int flags = Convert.ToInt32(region.Data["flags"]);

            if (!m_DeleteOnUnregister || (flags & (int)OpenSim.Data.RegionFlags.Persistent) != 0)
            {
                flags &= ~(int)OpenSim.Data.RegionFlags.RegionOnline;
                region.Data["flags"] = flags.ToString();
                region.Data["last_seen"] = Util.UnixTimeSinceEpoch();
                try
                {
                    m_Database.Store(region);
                }
                catch (Exception e)
                {
                    m_log.DebugFormat("[GRID SERVICE]: Database exception: {0}", e);
                }

                return true;

            }

            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);
            rdata.Data["owner_uuid"] = rinfo.EstateOwner.ToString();
            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 

        public List<GridRegion> GetDefaultRegions(UUID scopeID)
        {
            List<GridRegion> ret = new List<GridRegion>();

            List<RegionData> regions = m_Database.GetDefaultRegions(scopeID);

            foreach (RegionData r in regions)
            {
                if ((Convert.ToInt32(r.Data["flags"]) & (int)OpenSim.Data.RegionFlags.RegionOnline) != 0)
                    ret.Add(RegionData2RegionInfo(r));
            }

            return ret;
        }

        public List<GridRegion> GetFallbackRegions(UUID scopeID, int x, int y)
        {
            List<GridRegion> ret = new List<GridRegion>();

            List<RegionData> regions = m_Database.GetFallbackRegions(scopeID, x, y);

            foreach (RegionData r in regions)
            {
                if ((Convert.ToInt32(r.Data["flags"]) & (int)OpenSim.Data.RegionFlags.RegionOnline) != 0)
                    ret.Add(RegionData2RegionInfo(r));
            }

            return ret;
        }

        public int GetRegionFlags(UUID scopeID, UUID regionID)
        {
            RegionData region = m_Database.Get(regionID, scopeID);

            return Convert.ToInt32(region.Data["flags"]);
        }

        private void HandleShowRegion(string module, string[] cmd)
        {
            if (cmd.Length != 3)
            {
                MainConsole.Instance.Output("Syntax: show region <region name>");
                return;
            }
            List<RegionData> regions = m_Database.Get(cmd[2], UUID.Zero);
            if (regions == null || regions.Count < 1)
            {
                MainConsole.Instance.Output("Region not found");
                return;
            }

            MainConsole.Instance.Output("Region Name          Region UUID");
            MainConsole.Instance.Output("Location             URI");
            MainConsole.Instance.Output("Owner ID                                Flags");
            MainConsole.Instance.Output("-------------------------------------------------------------------------------");
            foreach (RegionData r in regions)
            {
                OpenSim.Data.RegionFlags flags = (OpenSim.Data.RegionFlags)Convert.ToInt32(r.Data["flags"]);
                MainConsole.Instance.Output(String.Format("{0,-20} {1}\n{2,-20} {3}\n{4,-39} {5}\n\n",
                        r.RegionName, r.RegionID,
                        String.Format("{0},{1}", r.posX, r.posY), "http://" + r.Data["serverIP"].ToString() + ":" + r.Data["serverPort"].ToString(),
                        r.Data["owner_uuid"].ToString(), flags.ToString()));
            }
            return;
        }

        private int ParseFlags(int prev, string flags)
        {
            OpenSim.Data.RegionFlags f = (OpenSim.Data.RegionFlags)prev;

            string[] parts = flags.Split(new char[] {',', ' '}, StringSplitOptions.RemoveEmptyEntries);

            foreach (string p in parts)
            {
                int val;

                try
                {
                    if (p.StartsWith("+"))
                    {
                        val = (int)Enum.Parse(typeof(OpenSim.Data.RegionFlags), p.Substring(1));
                        f |= (OpenSim.Data.RegionFlags)val;
                    }
                    else if (p.StartsWith("-"))
                    {
                        val = (int)Enum.Parse(typeof(OpenSim.Data.RegionFlags), p.Substring(1));
                        f &= ~(OpenSim.Data.RegionFlags)val;
                    }
                    else
                    {
                        val = (int)Enum.Parse(typeof(OpenSim.Data.RegionFlags), p);
                        f |= (OpenSim.Data.RegionFlags)val;
                    }
                }
                catch (Exception e)
                {
                    MainConsole.Instance.Output("Error in flag specification: " + p);
                }
            }

            return (int)f;
        }

        private void HandleSetFlags(string module, string[] cmd)
        {
            if (cmd.Length < 5)
            {
                MainConsole.Instance.Output("Syntax: set region flags <region name> <flags>");
                return;
            }

            List<RegionData> regions = m_Database.Get(cmd[3], UUID.Zero);
            if (regions == null || regions.Count < 1)
            {
                MainConsole.Instance.Output("Region not found");
                return;
            }

            foreach (RegionData r in regions)
            {
                int flags = Convert.ToInt32(r.Data["flags"]);
                flags = ParseFlags(flags, cmd[4]);
                r.Data["flags"] = flags.ToString();
                OpenSim.Data.RegionFlags f = (OpenSim.Data.RegionFlags)flags;

                MainConsole.Instance.Output(String.Format("Set region {0} to {1}", r.RegionName, f));
                m_Database.Store(r);
            }
        }
    }
}