aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/OpenSim/Data/NHibernate/NHibernateRegionData.cs
blob: 871013b5848988135581775920cefa85bad0f4f0 (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
/*
 * 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 OpenSim 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.IO;
using System.Reflection;
using System.Text.RegularExpressions;
using OpenMetaverse;
using log4net;
using NHibernate;
using NHibernate.Criterion;
using OpenSim.Framework;
using OpenSim.Region.Environment.Interfaces;
using OpenSim.Region.Environment.Scenes;
using Environment=NHibernate.Cfg.Environment;

namespace OpenSim.Data.NHibernate
{
    /// <summary>
    /// A RegionData Interface to the NHibernate database
    /// </summary>
    public class NHibernateRegionData : IRegionDataStore
    {
        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);

        public NHibernateManager manager;

        public void Initialise(string connect)
        {
            m_log.InfoFormat("[NHIBERNATE] Initializing NHibernateRegionData");
            manager = new NHibernateManager(connect, "RegionStore");
        }

        /***********************************************************************
         *
         *  Public Interface Functions
         *
         **********************************************************************/

        public void Dispose() {}

        public void StoreRegionSettings(RegionSettings rs)
        {
        }

        public RegionSettings LoadRegionSettings(UUID regionUUID)
        {
            return null;
        }

        // This looks inefficient, but it turns out that it isn't
        // based on trial runs with nhibernate 1.2
        private void SaveOrUpdate(SceneObjectPart p)
        {
            try
            {
                SceneObjectPart old = (SceneObjectPart)manager.Load(typeof(SceneObjectPart), p.UUID);
                if (old != null)
                {
                    m_log.InfoFormat("[NHIBERNATE] updating object {0}", p.UUID);
                    manager.Update(old);
                } 
                else
                {
                    m_log.InfoFormat("[NHIBERNATE] saving object {0}", p.UUID);
                    manager.Save(p);
                }
                
            }
            catch (Exception e)
            {
                m_log.Error("[NHIBERNATE] issue saving part", e);
            }
        }

        private void SaveOrUpdate(Terrain t)
        {
            try
            {
                
                Terrain old = (Terrain)manager.Load(typeof(Terrain), t.RegionID);
                if (old != null)
                {
                    m_log.InfoFormat("[NHIBERNATE] updating terrain {0}", t.RegionID);
                    manager.Update(old);
                }
                else
                {
                    m_log.InfoFormat("[NHIBERNATE] saving terrain {0}", t.RegionID);
                    manager.Save(t);
                }

            }
            catch (Exception e)
            {
                m_log.Error("[NHIBERNATE] issue saving terrain", e);
            }
        }


        /// <summary>
        /// Adds an object into region storage
        /// </summary>
        /// <param name="obj">the object</param>
        /// <param name="regionUUID">the region UUID</param>
        public void StoreObject(SceneObjectGroup obj, UUID regionUUID)
        {
            try
            {
                foreach (SceneObjectPart part in obj.Children.Values)
                {
                    m_log.InfoFormat("Storing part {0}", part.UUID);
                    SaveOrUpdate(part);
                }
            }
            catch (Exception e)
            {
                m_log.Error("Can't save: ", e);
            }
        }

        private SceneObjectGroup LoadObject(UUID uuid, UUID region)
        {
            SceneObjectGroup group = new SceneObjectGroup();

            ICriteria criteria = manager.GetSession().CreateCriteria(typeof(SceneObjectPart));
            criteria.Add(Expression.Eq("RegionID", region));
            criteria.Add(Expression.Eq("ParentUUID", uuid));
            criteria.AddOrder( Order.Asc("ParentID") );

            foreach (SceneObjectPart p in criteria.List())
            {
                // root part
                if (p.UUID == uuid)
                {
                    group.SetRootPart(p);
                }
                else
                {
                    group.AddPart(p);
                }
            }

            return group;
        }

        /// <summary>
        /// Removes an object from region storage
        /// </summary>
        /// <param name="obj">the object</param>
        /// <param name="regionUUID">the region UUID</param>
        public void RemoveObject(UUID obj, UUID regionUUID)
        {
            SceneObjectGroup g = LoadObject(obj, regionUUID);
            foreach (SceneObjectPart p in g.Children.Values)
            {
                manager.Delete(p);
            }

            m_log.InfoFormat("[REGION DB]: Removing obj: {0} from region: {1}", obj.Guid, regionUUID);

        }

        /// <summary>
        /// Load persisted objects from region storage.
        /// </summary>
        /// <param name="regionUUID">The region UUID</param>
        /// <returns>List of loaded groups</returns>
        public List<SceneObjectGroup> LoadObjects(UUID regionUUID)
        {
            Dictionary<UUID, SceneObjectGroup> SOG = new Dictionary<UUID, SceneObjectGroup>();
            List<SceneObjectGroup> ret = new List<SceneObjectGroup>();

            ICriteria criteria = manager.GetSession().CreateCriteria(typeof(SceneObjectPart));
            criteria.Add(Expression.Eq("RegionID", regionUUID));
            criteria.AddOrder( Order.Asc("ParentID") );
            foreach (SceneObjectPart p in criteria.List())
            {
                // root part
                if (p.UUID == p.ParentUUID)
                {
                    SceneObjectGroup group = new SceneObjectGroup();
                    group.SetRootPart(p);
                    SOG.Add(p.ParentUUID, group);
                }
                else
                {
                    SOG[p.ParentUUID].AddPart(p);
                }
                // get the inventory

                ICriteria InvCriteria = manager.GetSession().CreateCriteria(typeof(TaskInventoryItem));
                InvCriteria.Add(Expression.Eq("ParentPartID", p.UUID));
                IList<TaskInventoryItem> inventory = new List<TaskInventoryItem>();
                foreach (TaskInventoryItem i in InvCriteria.List())
                {
                    inventory.Add(i);
                }

                if (inventory.Count > 0)
                    p.Inventory.RestoreInventoryItems(inventory);
            }
            foreach (SceneObjectGroup g in SOG.Values)
            {
                ret.Add(g);
            }

            return ret;
        }

        /// <summary>
        /// Store a terrain revision in region storage
        /// </summary>
        /// <param name="ter">terrain heightfield</param>
        /// <param name="regionID">region UUID</param>
        public void StoreTerrain(double[,] ter, UUID regionID)
        {
            lock (this) {
                Terrain t = new Terrain(regionID, ter);
                SaveOrUpdate(t);
            }
        }

        /// <summary>
        /// Load the latest terrain revision from region storage
        /// </summary>
        /// <param name="regionID">the region UUID</param>
        /// <returns>Heightfield data</returns>
        public double[,] LoadTerrain(UUID regionID)
        {
            Terrain t = (Terrain)manager.Load(typeof(Terrain), regionID);
            if (t != null)
            {
                return t.Doubles;
            }
               
            m_log.Info("No terrain yet");
            return null;
        }

        /// <summary>
        ///
        /// </summary>
        /// <param name="globalID"></param>
        public void RemoveLandObject(UUID globalID)
        {

        }

        /// <summary>
        ///
        /// </summary>
        /// <param name="parcel"></param>
        public void StoreLandObject(ILandObject parcel)
        {

        }

        /// <summary>
        ///
        /// </summary>
        /// <param name="regionUUID"></param>
        /// <returns></returns>
        public List<LandData> LoadLandObjects(UUID regionUUID)
        {
            List<LandData> landDataForRegion = new List<LandData>();

            return landDataForRegion;
        }


        /// <summary>
        /// See <see cref="Commit"/>
        /// </summary>
        public void Shutdown()
        {
            //session.Flush();
        }

        /// <summary>
        /// Load a region banlist
        /// </summary>
        /// <param name="regionUUID">the region UUID</param>
        /// <returns>The banlist</returns>
        public List<EstateBan> LoadRegionBanList(UUID regionUUID)
        {
            List<EstateBan> regionbanlist = new List<EstateBan>();

            return regionbanlist;
        }

        /// <summary>
        /// Add en entry into region banlist
        /// </summary>
        /// <param name="item"></param>
        public void AddToRegionBanlist(EstateBan item)
        {

        }

        /// <summary>
        /// remove an entry from the region banlist
        /// </summary>
        /// <param name="item"></param>
        public void RemoveFromRegionBanlist(EstateBan item)
        {

        }

        /// <summary>
        ///
        /// </summary>
        /// <param name="val"></param>
        /// <returns></returns>
//        private static Array serializeTerrain(double[,] val)
//        {
//            MemoryStream str = new MemoryStream(65536*sizeof (double));
//            BinaryWriter bw = new BinaryWriter(str);
//
//            // TODO: COMPATIBILITY - Add byte-order conversions
//            for (int x = 0; x < 256; x++)
//                for (int y = 0; y < 256; y++)
//                    bw.Write(val[x, y]);
//
//            return str.ToArray();
//        }

        /// <summary>
        /// see IRegionDatastore
        /// </summary>
        /// <param name="primID"></param>
        /// <param name="items"></param>
        public void StorePrimInventory(UUID primID, ICollection<TaskInventoryItem> items)
        {
             ICriteria criteria = manager.GetSession().CreateCriteria(typeof(TaskInventoryItem));
             criteria.Add(Expression.Eq("ParentPartID", primID));
             try
             {
                 foreach (TaskInventoryItem i in criteria.List())
                 {
                     manager.Delete(i);
                 }

                 foreach (TaskInventoryItem i in items)
                 {
                     manager.Save(i);

                 }
             }
             catch (Exception e)
             {
                 m_log.Error("[NHIBERNATE] StoreInvetory", e);
             }
        }
    }
}