aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/OpenSim/Services/Connectors/SimianGrid/SimianPresenceServiceConnector.cs
blob: 08efefb834e3f85f9782292cb694ef1f5d7e4f4a (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
/*
 * 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.Collections.Specialized;
using System.Reflection;
using log4net;
using Mono.Addins;
using Nini.Config;
using OpenSim.Framework;
using OpenSim.Region.Framework.Interfaces;
using OpenSim.Region.Framework.Scenes;
using OpenSim.Services.Interfaces;
using OpenMetaverse;
using OpenMetaverse.StructuredData;

using PresenceInfo = OpenSim.Services.Interfaces.PresenceInfo;

namespace OpenSim.Services.Connectors.SimianGrid
{
    /// <summary>
    /// Connects avatar presence information (for tracking current location and
    /// message routing) to the SimianGrid backend
    /// </summary>
    [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "SimianPresenceServiceConnector")]
    public class SimianPresenceServiceConnector : IPresenceService, IGridUserService, ISharedRegionModule
    {
        private static readonly ILog m_log =
                LogManager.GetLogger(
                MethodBase.GetCurrentMethod().DeclaringType);

        private string m_serverUrl = String.Empty;
        private SimianActivityDetector m_activityDetector;
        private bool m_Enabled = false;

        #region ISharedRegionModule

        public Type ReplaceableInterface { get { return null; } }
        public void RegionLoaded(Scene scene) { }
        public void PostInitialise() { }
        public void Close() { }

        public SimianPresenceServiceConnector() { }
        public string Name { get { return "SimianPresenceServiceConnector"; } }
        public void AddRegion(Scene scene)
        {
            if (m_Enabled)
            {
                scene.RegisterModuleInterface<IPresenceService>(this);
                scene.RegisterModuleInterface<IGridUserService>(this);

                m_activityDetector.AddRegion(scene);

                LogoutRegionAgents(scene.RegionInfo.RegionID);
            }
        }
        public void RemoveRegion(Scene scene)
        {
            if (m_Enabled)
            {
                scene.UnregisterModuleInterface<IPresenceService>(this);
                scene.UnregisterModuleInterface<IGridUserService>(this);

                m_activityDetector.RemoveRegion(scene);

                LogoutRegionAgents(scene.RegionInfo.RegionID);
            }
        }

        #endregion ISharedRegionModule

        public SimianPresenceServiceConnector(IConfigSource source)
        {
            CommonInit(source);
        }

        public void Initialise(IConfigSource source)
        {
            IConfig moduleConfig = source.Configs["Modules"];
            if (moduleConfig != null)
            {
                string name = moduleConfig.GetString("PresenceServices", "");
                if (name == Name)
                    CommonInit(source);
            }
        }

        private void CommonInit(IConfigSource source)
        {
            IConfig gridConfig = source.Configs["PresenceService"];
            if (gridConfig != null)
            {
                string serviceUrl = gridConfig.GetString("PresenceServerURI");
                if (!String.IsNullOrEmpty(serviceUrl))
                {
                    if (!serviceUrl.EndsWith("/") && !serviceUrl.EndsWith("="))
                        serviceUrl = serviceUrl + '/';
                    m_serverUrl = serviceUrl;
                    m_activityDetector = new SimianActivityDetector(this);
                    m_Enabled = true;
                }
            }

            if (String.IsNullOrEmpty(m_serverUrl))
                m_log.Info("[SIMIAN PRESENCE CONNECTOR]: No PresenceServerURI specified, disabling connector");
        }

        #region IPresenceService

        public bool LoginAgent(string userID, UUID sessionID, UUID secureSessionID)
        {
            m_log.ErrorFormat("[SIMIAN PRESENCE CONNECTOR]: Login requested, UserID={0}, SessionID={1}, SecureSessionID={2}",
                userID, sessionID, secureSessionID);

            NameValueCollection requestArgs = new NameValueCollection
                {
                        { "RequestMethod", "AddSession" },
                        { "UserID", userID.ToString() }
                };

            if (sessionID != UUID.Zero)
            {
                requestArgs["SessionID"] = sessionID.ToString();
                requestArgs["SecureSessionID"] = secureSessionID.ToString();
            }

            OSDMap response = SimianGrid.PostToService(m_serverUrl, requestArgs);
            bool success = response["Success"].AsBoolean();

            if (!success)
                m_log.Warn("[SIMIAN PRESENCE CONNECTOR]: Failed to login agent " + userID + ": " + response["Message"].AsString());

            return success;
        }

        public bool LogoutAgent(UUID sessionID)
        {
            // m_log.InfoFormat("[SIMIAN PRESENCE CONNECTOR]: Logout requested for agent with sessionID " + sessionID);

            NameValueCollection requestArgs = new NameValueCollection
                {
                        { "RequestMethod", "RemoveSession" },
                        { "SessionID", sessionID.ToString() }
                };

            OSDMap response = SimianGrid.PostToService(m_serverUrl, requestArgs);
            bool success = response["Success"].AsBoolean();

            if (!success)
                m_log.Warn("[SIMIAN PRESENCE CONNECTOR]: Failed to logout agent with sessionID " + sessionID + ": " + response["Message"].AsString());

            return success;
        }

        public bool LogoutRegionAgents(UUID regionID)
        {
            // m_log.InfoFormat("[SIMIAN PRESENCE CONNECTOR]: Logout requested for all agents in region " + regionID);

            NameValueCollection requestArgs = new NameValueCollection
                {
                        { "RequestMethod", "RemoveSessions" },
                        { "SceneID", regionID.ToString() }
                };

            OSDMap response = SimianGrid.PostToService(m_serverUrl, requestArgs);
            bool success = response["Success"].AsBoolean();

            if (!success)
                m_log.Warn("[SIMIAN PRESENCE CONNECTOR]: Failed to logout agents from region " + regionID + ": " + response["Message"].AsString());

            return success;
        }

        public bool ReportAgent(UUID sessionID, UUID regionID)
        {
            // Not needed for SimianGrid
            return true;
        }

        public PresenceInfo GetAgent(UUID sessionID)
        {
            OSDMap sessionResponse = GetSessionDataFromSessionID(sessionID);
            if (sessionResponse == null)
            {
                m_log.WarnFormat("[SIMIAN PRESENCE CONNECTOR]: Failed to retrieve session {0}: {1}",sessionID.ToString(),sessionResponse["Message"].AsString());
                return null;
            }

            UUID userID = sessionResponse["UserID"].AsUUID();
            OSDMap userResponse = GetUserData(userID);
            if (userResponse == null)
            {
                m_log.WarnFormat("[SIMIAN PRESENCE CONNECTOR]: Failed to retrieve user data for {0}: {1}",userID.ToString(),userResponse["Message"].AsString());
                return null;
            }

            return ResponseToPresenceInfo(sessionResponse);
        }

        public PresenceInfo[] GetAgents(string[] userIDs)
        {
            List<PresenceInfo> presences = new List<PresenceInfo>();

            NameValueCollection requestArgs = new NameValueCollection
            {
                { "RequestMethod", "GetSessions" },
                { "UserIDList", String.Join(",",userIDs) }
            };

            OSDMap sessionListResponse = SimianGrid.PostToService(m_serverUrl, requestArgs);
            if (! sessionListResponse["Success"].AsBoolean())
            {
                m_log.WarnFormat("[SIMIAN PRESENCE CONNECTOR]: Failed to retrieve sessions: {0}",sessionListResponse["Message"].AsString());
                return null;
            }

            OSDArray sessionList = sessionListResponse["Sessions"] as OSDArray;
            for (int i = 0; i < sessionList.Count; i++)
            {
                OSDMap sessionInfo = sessionList[i] as OSDMap;
                presences.Add(ResponseToPresenceInfo(sessionInfo));
            }

            return presences.ToArray();
        }

        #endregion IPresenceService

        #region IGridUserService

        public GridUserInfo LoggedIn(string userID)
        {
            // Never implemented at the sim
            return null;
        }

        public bool LoggedOut(string userID, UUID sessionID, UUID regionID, Vector3 lastPosition, Vector3 lastLookAt)
        {
            // m_log.DebugFormat("[SIMIAN PRESENCE CONNECTOR]: Logging out user " + userID);

            // Remove the session to mark this user offline
            if (!LogoutAgent(sessionID))
                return false;

            // Save our last position as user data
            NameValueCollection requestArgs = new NameValueCollection
                {
                        { "RequestMethod", "AddUserData" },
                        { "UserID", userID.ToString() },
                        { "LastLocation", SerializeLocation(regionID, lastPosition, lastLookAt) }
                };

            OSDMap response = SimianGrid.PostToService(m_serverUrl, requestArgs);
            bool success = response["Success"].AsBoolean();

            if (!success)
                m_log.Warn("[SIMIAN PRESENCE CONNECTOR]: Failed to set last location for " + userID + ": " + response["Message"].AsString());

            return success;
        }

        public bool SetHome(string userID, UUID regionID, Vector3 position, Vector3 lookAt)
        {
            // m_log.DebugFormat("[SIMIAN PRESENCE CONNECTOR]: Setting home location for user  " + userID);

            NameValueCollection requestArgs = new NameValueCollection
                {
                        { "RequestMethod", "AddUserData" },
                        { "UserID", userID.ToString() },
                        { "HomeLocation", SerializeLocation(regionID, position, lookAt) }
                };

            OSDMap response = SimianGrid.PostToService(m_serverUrl, requestArgs);
            bool success = response["Success"].AsBoolean();

            if (!success)
                m_log.Warn("[SIMIAN PRESENCE CONNECTOR]: Failed to set home location for " + userID + ": " + response["Message"].AsString());

            return success;
        }

        public bool SetLastPosition(string userID, UUID sessionID, UUID regionID, Vector3 lastPosition, Vector3 lastLookAt)
        {
            return UpdateSession(sessionID, regionID, lastPosition, lastLookAt);
        }

        public GridUserInfo GetGridUserInfo(string user)
        {
            // m_log.DebugFormat("[SIMIAN PRESENCE CONNECTOR]: Requesting session data for agent " + user);

            UUID userID = new UUID(user);
            OSDMap userResponse = GetUserData(userID);

            if (userResponse == null)
            {
                m_log.WarnFormat("[SIMIAN PRESENCE CONNECTOR]: Failed to retrieve user data for {0}", userID);
            }

            // Note that ResponseToGridUserInfo properly checks for and returns a null if passed a null.
            return ResponseToGridUserInfo(userResponse);

        }

        #endregion

        #region Helpers

        private OSDMap GetUserData(UUID userID)
        {
            // m_log.DebugFormat("[SIMIAN PRESENCE CONNECTOR]: Requesting user data for " + userID);

            NameValueCollection requestArgs = new NameValueCollection
                {
                        { "RequestMethod", "GetUser" },
                        { "UserID", userID.ToString() }
                };

            OSDMap response = SimianGrid.PostToService(m_serverUrl, requestArgs);
            if (response["Success"].AsBoolean() && response["User"] is OSDMap)
                return response;

            m_log.WarnFormat("[SIMIAN PRESENCE CONNECTOR]: Failed to retrieve user data for {0}; {1}",userID.ToString(),response["Message"].AsString());
            return null;
        }

        private OSDMap GetSessionDataFromSessionID(UUID sessionID)
        {
            NameValueCollection requestArgs = new NameValueCollection
                {
                        { "RequestMethod", "GetSession" },
                        { "SessionID", sessionID.ToString() }
                };

            OSDMap response = SimianGrid.PostToService(m_serverUrl, requestArgs);
            if (response["Success"].AsBoolean())
                return response;

            m_log.WarnFormat("[SIMIAN PRESENCE CONNECTOR]: Failed to retrieve session data for {0}; {1}",sessionID.ToString(),response["Message"].AsString());
            return null;
        }

        private bool UpdateSession(UUID sessionID, UUID regionID, Vector3 lastPosition, Vector3 lastLookAt)
        {
            // Save our current location as session data
            NameValueCollection requestArgs = new NameValueCollection
                {
                        { "RequestMethod", "UpdateSession" },
                        { "SessionID", sessionID.ToString() },
                        { "SceneID", regionID.ToString() },
                        { "ScenePosition", lastPosition.ToString() },
                        { "SceneLookAt", lastLookAt.ToString() }
                };

            OSDMap response = SimianGrid.PostToService(m_serverUrl, requestArgs);
            bool success = response["Success"].AsBoolean();

            if (!success)
                m_log.Warn("[SIMIAN PRESENCE CONNECTOR]: Failed to update agent session " + sessionID + ": " + response["Message"].AsString());

            return success;
        }

        private PresenceInfo ResponseToPresenceInfo(OSDMap sessionResponse)
        {
            if (sessionResponse == null)
                return null;

            PresenceInfo info = new PresenceInfo();

            info.UserID = sessionResponse["UserID"].AsUUID().ToString();
            info.RegionID = sessionResponse["SceneID"].AsUUID();

            return info;
        }

        private GridUserInfo ResponseToGridUserInfo(OSDMap userResponse)
        {
            if (userResponse != null && userResponse["User"] is OSDMap)
            {
                GridUserInfo info = new GridUserInfo();

                info.Online = true;
                info.UserID = userResponse["UserID"].AsUUID().ToString();
                info.LastRegionID = userResponse["SceneID"].AsUUID();
                info.LastPosition = userResponse["ScenePosition"].AsVector3();
                info.LastLookAt = userResponse["SceneLookAt"].AsVector3();

                OSDMap user = (OSDMap)userResponse["User"];

                info.Login = user["LastLoginDate"].AsDate();
                info.Logout = user["LastLogoutDate"].AsDate();
                DeserializeLocation(user["HomeLocation"].AsString(), out info.HomeRegionID, out info.HomePosition, out info.HomeLookAt);

                return info;
            }

            return null;
        }

        private string SerializeLocation(UUID regionID, Vector3 position, Vector3 lookAt)
        {
            return "{" + String.Format("\"SceneID\":\"{0}\",\"Position\":\"{1}\",\"LookAt\":\"{2}\"", regionID, position, lookAt) + "}";
        }

        private bool DeserializeLocation(string location, out UUID regionID, out Vector3 position, out Vector3 lookAt)
        {
            OSDMap map = null;

            try { map = OSDParser.DeserializeJson(location) as OSDMap; }
            catch { }

            if (map != null)
            {
                regionID = map["SceneID"].AsUUID();
                if (Vector3.TryParse(map["Position"].AsString(), out position) &&
                    Vector3.TryParse(map["LookAt"].AsString(), out lookAt))
                {
                    return true;
                }
            }

            regionID = UUID.Zero;
            position = Vector3.Zero;
            lookAt = Vector3.Zero;
            return false;
        }

        public GridUserInfo[] GetGridUserInfo(string[] userIDs)
        {
            return new GridUserInfo[0];
         }
        #endregion Helpers
    }
}