aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/OpenSim/Server/Handlers/Simulation/AgentHandlers.cs
blob: 191acc946adf308126263498521f60a2b464a905 (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
/*
 * 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.IO;
using System.Reflection;
using System.Net;
using System.Text;

using OpenSim.Server.Base;
using OpenSim.Server.Handlers.Base;
using OpenSim.Services.Interfaces;
using GridRegion = OpenSim.Services.Interfaces.GridRegion;
using OpenSim.Framework;
using OpenSim.Framework.Servers.HttpServer;

using OpenMetaverse;
using OpenMetaverse.StructuredData;
using Nini.Config;
using log4net;


namespace OpenSim.Server.Handlers.Simulation
{
    public class AgentHandler
    {
        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
        private ISimulationService m_SimulationService;

        public AgentHandler() { }

        public AgentHandler(ISimulationService sim)
        {
            m_SimulationService = sim;
        }

        public Hashtable Handler(Hashtable request)
        {
//            m_log.Debug("[CONNECTION DEBUGGING]: AgentHandler Called");
//
//            m_log.Debug("---------------------------");
//            m_log.Debug(" >> uri=" + request["uri"]);
//            m_log.Debug(" >> content-type=" + request["content-type"]);
//            m_log.Debug(" >> http-method=" + request["http-method"]);
//            m_log.Debug("---------------------------\n");

            Hashtable responsedata = new Hashtable();
            responsedata["content_type"] = "text/html";
            responsedata["keepalive"] = false;


            UUID agentID;
            UUID regionID;
            string action;
            if (!Utils.GetParams((string)request["uri"], out agentID, out regionID, out action))
            {
                m_log.InfoFormat("[AGENT HANDLER]: Invalid parameters for agent message {0}", request["uri"]);
                responsedata["int_response_code"] = 404;
                responsedata["str_response_string"] = "false";

                return responsedata;
            }

            // Next, let's parse the verb
            string method = (string)request["http-method"];
            if (method.Equals("PUT"))
            {
                DoAgentPut(request, responsedata);
                return responsedata;
            }
            else if (method.Equals("POST"))
            {
                DoAgentPost(request, responsedata, agentID);
                return responsedata;
            }
            else if (method.Equals("GET"))
            {
                DoAgentGet(request, responsedata, agentID, regionID);
                return responsedata;
            }
            else if (method.Equals("DELETE"))
            {
                DoAgentDelete(request, responsedata, agentID, action, regionID);
                return responsedata;
            }
            else
            {
                m_log.InfoFormat("[AGENT HANDLER]: method {0} not supported in agent message", method);
                responsedata["int_response_code"] = HttpStatusCode.MethodNotAllowed;
                responsedata["str_response_string"] = "Method not allowed";

                return responsedata;
            }

        }

        protected void DoAgentPost(Hashtable request, Hashtable responsedata, UUID id)
        {
            OSDMap args = Utils.GetOSDMap((string)request["body"]);
            if (args == null)
            {
                responsedata["int_response_code"] = HttpStatusCode.BadRequest;
                responsedata["str_response_string"] = "Bad request";
                return;
            }

            // retrieve the input arguments
            int x = 0, y = 0;
            UUID uuid = UUID.Zero;
            string regionname = string.Empty;
            uint teleportFlags = 0;
            if (args.ContainsKey("destination_x") && args["destination_x"] != null)
                Int32.TryParse(args["destination_x"].AsString(), out x);
            else
                m_log.WarnFormat("  -- request didn't have destination_x");
            if (args.ContainsKey("destination_y") && args["destination_y"] != null)
                Int32.TryParse(args["destination_y"].AsString(), out y);
            else
                m_log.WarnFormat("  -- request didn't have destination_y");
            if (args.ContainsKey("destination_uuid") && args["destination_uuid"] != null)
                UUID.TryParse(args["destination_uuid"].AsString(), out uuid);
            if (args.ContainsKey("destination_name") && args["destination_name"] != null)
                regionname = args["destination_name"].ToString();
            if (args.ContainsKey("teleport_flags") && args["teleport_flags"] != null)
                teleportFlags = args["teleport_flags"].AsUInteger();

            GridRegion destination = new GridRegion();
            destination.RegionID = uuid;
            destination.RegionLocX = x;
            destination.RegionLocY = y;
            destination.RegionName = regionname;

            AgentCircuitData aCircuit = new AgentCircuitData();
            try
            {
                aCircuit.UnpackAgentCircuitData(args);
            }
            catch (Exception ex)
            {
                m_log.InfoFormat("[AGENT HANDLER]: exception on unpacking ChildCreate message {0}", ex.Message);
                responsedata["int_response_code"] = HttpStatusCode.BadRequest;
                responsedata["str_response_string"] = "Bad request";
                return;
            }

            OSDMap resp = new OSDMap(2);
            string reason = String.Empty;

            // This is the meaning of POST agent
            //m_regionClient.AdjustUserInformation(aCircuit);
            //bool result = m_SimulationService.CreateAgent(destination, aCircuit, teleportFlags, out reason);
            bool result = CreateAgent(destination, aCircuit, teleportFlags, out reason);

            resp["reason"] = OSD.FromString(reason);
            resp["success"] = OSD.FromBoolean(result);

            // TODO: add reason if not String.Empty?
            responsedata["int_response_code"] = HttpStatusCode.OK;
            responsedata["str_response_string"] = OSDParser.SerializeJsonString(resp);
        }

        // subclasses can override this
        protected virtual bool CreateAgent(GridRegion destination, AgentCircuitData aCircuit, uint teleportFlags, out string reason)
        {
            return m_SimulationService.CreateAgent(destination, aCircuit, teleportFlags, out reason);
        }

        protected void DoAgentPut(Hashtable request, Hashtable responsedata)
        {
            OSDMap args = Utils.GetOSDMap((string)request["body"]);
            if (args == null)
            {
                responsedata["int_response_code"] = HttpStatusCode.BadRequest;
                responsedata["str_response_string"] = "Bad request";
                return;
            }

            // retrieve the input arguments
            int x = 0, y = 0;
            UUID uuid = UUID.Zero;
            string regionname = string.Empty;
            if (args.ContainsKey("destination_x") && args["destination_x"] != null)
                Int32.TryParse(args["destination_x"].AsString(), out x);
            if (args.ContainsKey("destination_y") && args["destination_y"] != null)
                Int32.TryParse(args["destination_y"].AsString(), out y);
            if (args.ContainsKey("destination_uuid") && args["destination_uuid"] != null)
                UUID.TryParse(args["destination_uuid"].AsString(), out uuid);
            if (args.ContainsKey("destination_name") && args["destination_name"] != null)
                regionname = args["destination_name"].ToString();

            GridRegion destination = new GridRegion();
            destination.RegionID = uuid;
            destination.RegionLocX = x;
            destination.RegionLocY = y;
            destination.RegionName = regionname;

            string messageType;
            if (args["message_type"] != null)
                messageType = args["message_type"].AsString();
            else
            {
                m_log.Warn("[AGENT HANDLER]: Agent Put Message Type not found. ");
                messageType = "AgentData";
            }

            bool result = true;
            if ("AgentData".Equals(messageType))
            {
                AgentData agent = new AgentData();
                try
                {
                    agent.Unpack(args);
                }
                catch (Exception ex)
                {
                    m_log.InfoFormat("[AGENT HANDLER]: exception on unpacking ChildAgentUpdate message {0}", ex.Message);
                    responsedata["int_response_code"] = HttpStatusCode.BadRequest;
                    responsedata["str_response_string"] = "Bad request";
                    return;
                }

                //agent.Dump();
                // This is one of the meanings of PUT agent
                result = UpdateAgent(destination, agent);

            }
            else if ("AgentPosition".Equals(messageType))
            {
                AgentPosition agent = new AgentPosition();
                try
                {
                    agent.Unpack(args);
                }
                catch (Exception ex)
                {
                    m_log.InfoFormat("[AGENT HANDLER]: exception on unpacking ChildAgentUpdate message {0}", ex.Message);
                    return;
                }
                //agent.Dump();
                // This is one of the meanings of PUT agent
                result = m_SimulationService.UpdateAgent(destination, agent);

            }

            responsedata["int_response_code"] = HttpStatusCode.OK;
            responsedata["str_response_string"] = result.ToString();
            //responsedata["str_response_string"] = OSDParser.SerializeJsonString(resp); ??? instead
        }

        // subclasses cab override this
        protected virtual bool UpdateAgent(GridRegion destination, AgentData agent)
        {
            return m_SimulationService.UpdateAgent(destination, agent);
        }

        protected virtual void DoAgentGet(Hashtable request, Hashtable responsedata, UUID id, UUID regionID)
        {
            GridRegion destination = new GridRegion();
            destination.RegionID = regionID;

            IAgentData agent = null;
            bool result = m_SimulationService.RetrieveAgent(destination, id, out agent);
            OSDMap map = null;
            if (result)
            {
                if (agent != null) // just to make sure
                {
                    map = agent.Pack();
                    string strBuffer = "";
                    try
                    {
                        strBuffer = OSDParser.SerializeJsonString(map);
                    }
                    catch (Exception e)
                    {
                        m_log.WarnFormat("[AGENT HANDLER]: Exception thrown on serialization of DoAgentGet: {0}", e.Message);
                        responsedata["int_response_code"] = HttpStatusCode.InternalServerError;
                        // ignore. buffer will be empty, caller should check.
                    }

                    responsedata["content_type"] = "application/json";
                    responsedata["int_response_code"] = HttpStatusCode.OK;
                    responsedata["str_response_string"] = strBuffer;
                }
                else
                {
                    responsedata["int_response_code"] = HttpStatusCode.InternalServerError;
                    responsedata["str_response_string"] = "Internal error";
                }
            }
            else
            {
                responsedata["int_response_code"] = HttpStatusCode.NotFound;
                responsedata["str_response_string"] = "Not Found";
            }
        }

        protected void DoAgentDelete(Hashtable request, Hashtable responsedata, UUID id, string action, UUID regionID)
        {
            m_log.Debug(" >>> DoDelete action:" + action + "; RegionID:" + regionID);

            GridRegion destination = new GridRegion();
            destination.RegionID = regionID;

            if (action.Equals("release"))
                ReleaseAgent(regionID, id);
            else
                m_SimulationService.CloseAgent(destination, id);

            responsedata["int_response_code"] = HttpStatusCode.OK;
            responsedata["str_response_string"] = "OpenSim agent " + id.ToString();

            m_log.Debug("[AGENT HANDLER]: Agent Released/Deleted.");
        }

        protected virtual void ReleaseAgent(UUID regionID, UUID id)
        {
            m_SimulationService.ReleaseAgent(regionID, id, "");
        }
    }

}