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-rw-r--r--OpenSim/Services/Connectors/Hypergrid/UserAgentServiceConnector.cs370
1 files changed, 370 insertions, 0 deletions
diff --git a/OpenSim/Services/Connectors/Hypergrid/UserAgentServiceConnector.cs b/OpenSim/Services/Connectors/Hypergrid/UserAgentServiceConnector.cs
new file mode 100644
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1using System;
2using System.Collections;
3using System.Collections.Generic;
4using System.IO;
5using System.Net;
6using System.Reflection;
7using System.Text;
8
9using OpenSim.Framework;
10using OpenSim.Services.Interfaces;
11using OpenSim.Services.Connectors.Simulation;
12using GridRegion = OpenSim.Services.Interfaces.GridRegion;
13
14using OpenMetaverse;
15using OpenMetaverse.StructuredData;
16using log4net;
17using Nwc.XmlRpc;
18using Nini.Config;
19
20namespace OpenSim.Services.Connectors.Hypergrid
21{
22 public class UserAgentServiceConnector : IUserAgentService
23 {
24 private static readonly ILog m_log =
25 LogManager.GetLogger(
26 MethodBase.GetCurrentMethod().DeclaringType);
27
28 string m_ServerURL;
29 public UserAgentServiceConnector(string url)
30 {
31 m_ServerURL = url;
32 }
33
34 public UserAgentServiceConnector(IConfigSource config)
35 {
36 }
37
38 public bool LoginAgentToGrid(AgentCircuitData aCircuit, GridRegion gatekeeper, GridRegion destination, out string reason)
39 {
40 reason = String.Empty;
41
42 if (destination == null)
43 {
44 reason = "Destination is null";
45 m_log.Debug("[USER AGENT CONNECTOR]: Given destination is null");
46 return false;
47 }
48
49 string uri = m_ServerURL + "/homeagent/" + aCircuit.AgentID + "/";
50
51 Console.WriteLine(" >>> LoginAgentToGrid <<< " + uri);
52
53 HttpWebRequest AgentCreateRequest = (HttpWebRequest)WebRequest.Create(uri);
54 AgentCreateRequest.Method = "POST";
55 AgentCreateRequest.ContentType = "application/json";
56 AgentCreateRequest.Timeout = 10000;
57 //AgentCreateRequest.KeepAlive = false;
58 //AgentCreateRequest.Headers.Add("Authorization", authKey);
59
60 // Fill it in
61 OSDMap args = PackCreateAgentArguments(aCircuit, gatekeeper, destination);
62
63 string strBuffer = "";
64 byte[] buffer = new byte[1];
65 try
66 {
67 strBuffer = OSDParser.SerializeJsonString(args);
68 Encoding str = Util.UTF8;
69 buffer = str.GetBytes(strBuffer);
70
71 }
72 catch (Exception e)
73 {
74 m_log.WarnFormat("[USER AGENT CONNECTOR]: Exception thrown on serialization of ChildCreate: {0}", e.Message);
75 // ignore. buffer will be empty, caller should check.
76 }
77
78 Stream os = null;
79 try
80 { // send the Post
81 AgentCreateRequest.ContentLength = buffer.Length; //Count bytes to send
82 os = AgentCreateRequest.GetRequestStream();
83 os.Write(buffer, 0, strBuffer.Length); //Send it
84 m_log.InfoFormat("[USER AGENT CONNECTOR]: Posted CreateAgent request to remote sim {0}, region {1}, x={2} y={3}",
85 uri, destination.RegionName, destination.RegionLocX, destination.RegionLocY);
86 }
87 //catch (WebException ex)
88 catch
89 {
90 //m_log.InfoFormat("[USER AGENT CONNECTOR]: Bad send on ChildAgentUpdate {0}", ex.Message);
91 reason = "cannot contact remote region";
92 return false;
93 }
94 finally
95 {
96 if (os != null)
97 os.Close();
98 }
99
100 // Let's wait for the response
101 //m_log.Info("[USER AGENT CONNECTOR]: Waiting for a reply after DoCreateChildAgentCall");
102
103 WebResponse webResponse = null;
104 StreamReader sr = null;
105 try
106 {
107 webResponse = AgentCreateRequest.GetResponse();
108 if (webResponse == null)
109 {
110 m_log.Info("[USER AGENT CONNECTOR]: Null reply on DoCreateChildAgentCall post");
111 }
112 else
113 {
114
115 sr = new StreamReader(webResponse.GetResponseStream());
116 string response = sr.ReadToEnd().Trim();
117 m_log.InfoFormat("[USER AGENT CONNECTOR]: DoCreateChildAgentCall reply was {0} ", response);
118
119 if (!String.IsNullOrEmpty(response))
120 {
121 try
122 {
123 // we assume we got an OSDMap back
124 OSDMap r = Util.GetOSDMap(response);
125 bool success = r["success"].AsBoolean();
126 reason = r["reason"].AsString();
127 return success;
128 }
129 catch (NullReferenceException e)
130 {
131 m_log.InfoFormat("[USER AGENT CONNECTOR]: exception on reply of DoCreateChildAgentCall {0}", e.Message);
132
133 // check for old style response
134 if (response.ToLower().StartsWith("true"))
135 return true;
136
137 return false;
138 }
139 }
140 }
141 }
142 catch (WebException ex)
143 {
144 m_log.InfoFormat("[USER AGENT CONNECTOR]: exception on reply of DoCreateChildAgentCall {0}", ex.Message);
145 reason = "Destination did not reply";
146 return false;
147 }
148 finally
149 {
150 if (sr != null)
151 sr.Close();
152 }
153
154 return true;
155
156 }
157
158 protected OSDMap PackCreateAgentArguments(AgentCircuitData aCircuit, GridRegion gatekeeper, GridRegion destination)
159 {
160 OSDMap args = null;
161 try
162 {
163 args = aCircuit.PackAgentCircuitData();
164 }
165 catch (Exception e)
166 {
167 m_log.Debug("[USER AGENT CONNECTOR]: PackAgentCircuitData failed with exception: " + e.Message);
168 }
169 // Add the input arguments
170 args["gatekeeper_host"] = OSD.FromString(gatekeeper.ExternalHostName);
171 args["gatekeeper_port"] = OSD.FromString(gatekeeper.HttpPort.ToString());
172 args["destination_x"] = OSD.FromString(destination.RegionLocX.ToString());
173 args["destination_y"] = OSD.FromString(destination.RegionLocY.ToString());
174 args["destination_name"] = OSD.FromString(destination.RegionName);
175 args["destination_uuid"] = OSD.FromString(destination.RegionID.ToString());
176
177 return args;
178 }
179
180 public GridRegion GetHomeRegion(UUID userID, out Vector3 position, out Vector3 lookAt)
181 {
182 position = Vector3.UnitY; lookAt = Vector3.UnitY;
183
184 Hashtable hash = new Hashtable();
185 hash["userID"] = userID.ToString();
186
187 IList paramList = new ArrayList();
188 paramList.Add(hash);
189
190 XmlRpcRequest request = new XmlRpcRequest("get_home_region", paramList);
191 XmlRpcResponse response = null;
192 try
193 {
194 response = request.Send(m_ServerURL, 10000);
195 }
196 catch (Exception e)
197 {
198 return null;
199 }
200
201 if (response.IsFault)
202 {
203 return null;
204 }
205
206 hash = (Hashtable)response.Value;
207 //foreach (Object o in hash)
208 // m_log.Debug(">> " + ((DictionaryEntry)o).Key + ":" + ((DictionaryEntry)o).Value);
209 try
210 {
211 bool success = false;
212 Boolean.TryParse((string)hash["result"], out success);
213 if (success)
214 {
215 GridRegion region = new GridRegion();
216
217 UUID.TryParse((string)hash["uuid"], out region.RegionID);
218 //m_log.Debug(">> HERE, uuid: " + region.RegionID);
219 int n = 0;
220 if (hash["x"] != null)
221 {
222 Int32.TryParse((string)hash["x"], out n);
223 region.RegionLocX = n;
224 //m_log.Debug(">> HERE, x: " + region.RegionLocX);
225 }
226 if (hash["y"] != null)
227 {
228 Int32.TryParse((string)hash["y"], out n);
229 region.RegionLocY = n;
230 //m_log.Debug(">> HERE, y: " + region.RegionLocY);
231 }
232 if (hash["region_name"] != null)
233 {
234 region.RegionName = (string)hash["region_name"];
235 //m_log.Debug(">> HERE, name: " + region.RegionName);
236 }
237 if (hash["hostname"] != null)
238 region.ExternalHostName = (string)hash["hostname"];
239 if (hash["http_port"] != null)
240 {
241 uint p = 0;
242 UInt32.TryParse((string)hash["http_port"], out p);
243 region.HttpPort = p;
244 }
245 if (hash["internal_port"] != null)
246 {
247 int p = 0;
248 Int32.TryParse((string)hash["internal_port"], out p);
249 region.InternalEndPoint = new IPEndPoint(IPAddress.Parse("0.0.0.0"), p);
250 }
251 if (hash["position"] != null)
252 Vector3.TryParse((string)hash["position"], out position);
253 if (hash["lookAt"] != null)
254 Vector3.TryParse((string)hash["lookAt"], out lookAt);
255
256 // Successful return
257 return region;
258 }
259
260 }
261 catch (Exception e)
262 {
263 return null;
264 }
265
266 return null;
267
268 }
269
270 public bool AgentIsComingHome(UUID sessionID, string thisGridExternalName)
271 {
272 Hashtable hash = new Hashtable();
273 hash["sessionID"] = sessionID.ToString();
274 hash["externalName"] = thisGridExternalName;
275
276 IList paramList = new ArrayList();
277 paramList.Add(hash);
278
279 XmlRpcRequest request = new XmlRpcRequest("agent_is_coming_home", paramList);
280 string reason = string.Empty;
281 return GetBoolResponse(request, out reason);
282 }
283
284 public bool VerifyAgent(UUID sessionID, string token)
285 {
286 Hashtable hash = new Hashtable();
287 hash["sessionID"] = sessionID.ToString();
288 hash["token"] = token;
289
290 IList paramList = new ArrayList();
291 paramList.Add(hash);
292
293 XmlRpcRequest request = new XmlRpcRequest("verify_agent", paramList);
294 string reason = string.Empty;
295 return GetBoolResponse(request, out reason);
296 }
297
298 public bool VerifyClient(UUID sessionID, string token)
299 {
300 Hashtable hash = new Hashtable();
301 hash["sessionID"] = sessionID.ToString();
302 hash["token"] = token;
303
304 IList paramList = new ArrayList();
305 paramList.Add(hash);
306
307 XmlRpcRequest request = new XmlRpcRequest("verify_client", paramList);
308 string reason = string.Empty;
309 return GetBoolResponse(request, out reason);
310 }
311
312 public void LogoutAgent(UUID userID, UUID sessionID)
313 {
314 Hashtable hash = new Hashtable();
315 hash["sessionID"] = sessionID.ToString();
316 hash["userID"] = userID.ToString();
317
318 IList paramList = new ArrayList();
319 paramList.Add(hash);
320
321 XmlRpcRequest request = new XmlRpcRequest("logout_agent", paramList);
322 string reason = string.Empty;
323 GetBoolResponse(request, out reason);
324 }
325
326
327 private bool GetBoolResponse(XmlRpcRequest request, out string reason)
328 {
329 //m_log.Debug("[HGrid]: Linking to " + uri);
330 XmlRpcResponse response = null;
331 try
332 {
333 response = request.Send(m_ServerURL, 10000);
334 }
335 catch (Exception e)
336 {
337 m_log.Debug("[HGrid]: Exception " + e.Message);
338 reason = "Exception: " + e.Message;
339 return false;
340 }
341
342 if (response.IsFault)
343 {
344 m_log.ErrorFormat("[HGrid]: remote call returned an error: {0}", response.FaultString);
345 reason = "XMLRPC Fault";
346 return false;
347 }
348
349 Hashtable hash = (Hashtable)response.Value;
350 //foreach (Object o in hash)
351 // m_log.Debug(">> " + ((DictionaryEntry)o).Key + ":" + ((DictionaryEntry)o).Value);
352 try
353 {
354 bool success = false;
355 reason = string.Empty;
356 Boolean.TryParse((string)hash["result"], out success);
357
358 return success;
359 }
360 catch (Exception e)
361 {
362 m_log.Error("[HGrid]: Got exception while parsing GetEndPoint response " + e.StackTrace);
363 reason = "Exception: " + e.Message;
364 return false;
365 }
366
367 }
368
369 }
370}