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authorMW2007-06-27 15:28:52 +0000
committerMW2007-06-27 15:28:52 +0000
commit646bbbc84b8010e0dacbeed5342cdb045f46cc49 (patch)
tree770b34d19855363c3c113ab9a0af9a56d821d887 /OpenSim/Framework/Communications.OGS1/OGS1GridServices.cs
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Some work on restructuring the namespaces / project names. Note this doesn't compile yet as not all the code has been changed to use the new namespaces. Am committing it now for feedback on the namespaces.
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diff --git a/OpenSim/Framework/Communications.OGS1/OGS1GridServices.cs b/OpenSim/Framework/Communications.OGS1/OGS1GridServices.cs
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1using System;
2using System.Collections.Generic;
3using System.Collections;
4using System.Text;
5using System.Runtime.Remoting;
6using System.Runtime.Remoting.Channels;
7using System.Runtime.Remoting.Channels.Tcp;
8
9using OpenSim.Servers;
10using OpenSim.Framework;
11using OpenSim.Framework.Types;
12using OpenSim.Framework.Communications;
13
14using Nwc.XmlRpc;
15using libsecondlife;
16
17namespace OpenSim.Framework.Communications.OGS1
18{
19 public class OGS1GridServices : IGridServices, IInterRegionCommunications
20 {
21 public Dictionary<ulong, RegionCommsListener> listeners = new Dictionary<ulong, RegionCommsListener>();
22 public GridInfo grid;
23 public BaseHttpServer httpListener;
24 private bool initialised = false;
25
26 public RegionCommsListener RegisterRegion(RegionInfo regionInfo, GridInfo gridInfo)
27 {
28 Hashtable GridParams = new Hashtable();
29
30 grid = gridInfo;
31
32 // Login / Authentication
33 GridParams["authkey"] = gridInfo.GridServerSendKey;
34 GridParams["UUID"] = regionInfo.SimUUID.ToStringHyphenated();
35 GridParams["sim_ip"] = regionInfo.CommsExternalAddress;
36 GridParams["sim_port"] = regionInfo.CommsIPListenPort.ToString();
37
38 // Package into an XMLRPC Request
39 ArrayList SendParams = new ArrayList();
40 SendParams.Add(GridParams);
41
42 // Send Request
43 XmlRpcRequest GridReq = new XmlRpcRequest("simulator_login", SendParams);
44 XmlRpcResponse GridResp = GridReq.Send(gridInfo.GridServerURI, 3000);
45 Hashtable GridRespData = (Hashtable)GridResp.Value;
46 Hashtable griddatahash = GridRespData;
47
48 // Process Response
49 if (GridRespData.ContainsKey("error"))
50 {
51 string errorstring = (string)GridRespData["error"];
52 OpenSim.Framework.Console.MainLog.Instance.Error("Unable to connect to grid: " + errorstring);
53 return null;
54 }
55
56 if (!this.listeners.ContainsKey(regionInfo.RegionHandle))
57 {
58 // initialised = true;
59 httpListener = new BaseHttpServer(regionInfo.CommsIPListenPort);
60 httpListener.AddXmlRPCHandler("expect_user", this.ExpectUser);
61 httpListener.Start();
62 }
63
64 // Initialise the background listeners
65 listeners[regionInfo.RegionHandle] = new RegionCommsListener();
66
67 return listeners[regionInfo.RegionHandle];
68 }
69
70 public List<RegionInfo> RequestNeighbours(RegionInfo regionInfo)
71 {
72 Hashtable respData = MapBlockQuery((int)regionInfo.RegionLocX - 1, (int)regionInfo.RegionLocY - 1, (int)regionInfo.RegionLocX + 1, (int)regionInfo.RegionLocY + 1);
73
74 List<RegionInfo> neighbours = new List<RegionInfo>();
75
76 foreach (Hashtable n in (Hashtable)respData.Values)
77 {
78 RegionInfo neighbour = new RegionInfo();
79
80 //OGS1
81 neighbour.RegionHandle = (ulong)n["regionhandle"];
82 neighbour.RegionLocX = (uint)n["x"];
83 neighbour.RegionLocY = (uint)n["y"];
84 neighbour.RegionName = (string)n["name"];
85
86 //OGS1+
87 neighbour.CommsIPListenAddr = (string)n["sim_ip"];
88 neighbour.CommsIPListenPort = (int)n["sim_port"];
89 neighbour.CommsExternalAddress = (string)n["sim_uri"];
90 neighbour.SimUUID = (string)n["uuid"];
91
92 neighbours.Add(neighbour);
93 }
94
95 return neighbours;
96 }
97
98 public RegionInfo RequestNeighbourInfo(ulong regionHandle)
99 {
100 OpenSim.Framework.Console.MainLog.Instance.Warn("Unimplemented - RequestNeighbourInfo()");
101 return null;
102 }
103
104 public List<MapBlockData> RequestNeighbourMapBlocks(int minX, int minY, int maxX, int maxY)
105 {
106 Hashtable respData = MapBlockQuery(minX, minY, maxX, maxY);
107
108 List<MapBlockData> neighbours = new List<MapBlockData>();
109
110 foreach (Hashtable n in (Hashtable)respData.Values)
111 {
112 MapBlockData neighbour = new MapBlockData();
113
114 neighbour.X = (ushort)n["x"];
115 neighbour.Y = (ushort)n["y"];
116
117 neighbour.Name = (string)n["name"];
118 neighbour.Access = (byte)n["access"];
119 neighbour.RegionFlags = (uint)n["region-flags"];
120 neighbour.WaterHeight = (byte)n["water-height"];
121 neighbour.MapImageId = (string)n["map-image-id"];
122
123 neighbours.Add(neighbour);
124 }
125
126 return neighbours;
127 }
128
129 /// <summary>
130 /// Performs a XML-RPC query against the grid server returning mapblock information in the specified coordinates
131 /// </summary>
132 /// <remarks>REDUNDANT - OGS1 is to be phased out in favour of OGS2</remarks>
133 /// <param name="minX">Minimum X value</param>
134 /// <param name="minY">Minimum Y value</param>
135 /// <param name="maxX">Maximum X value</param>
136 /// <param name="maxY">Maximum Y value</param>
137 /// <returns>Hashtable of hashtables containing map data elements</returns>
138 private Hashtable MapBlockQuery(int minX, int minY, int maxX, int maxY)
139 {
140 Hashtable param = new Hashtable();
141 param["xmin"] = minX;
142 param["ymin"] = minY;
143 param["xmax"] = maxX;
144 param["ymax"] = maxY;
145 IList parameters = new ArrayList();
146 parameters.Add(param);
147 XmlRpcRequest req = new XmlRpcRequest("map_block", parameters);
148 XmlRpcResponse resp = req.Send(grid.GridServerURI, 3000);
149 Hashtable respData = (Hashtable)resp.Value;
150 return respData;
151 }
152
153 // Grid Request Processing
154 public XmlRpcResponse ExpectUser(XmlRpcRequest request)
155 {
156 Hashtable requestData = (Hashtable)request.Params[0];
157 AgentCircuitData agentData = new AgentCircuitData();
158 agentData.SessionID = new LLUUID((string)requestData["session_id"]);
159 agentData.SecureSessionID = new LLUUID((string)requestData["secure_session_id"]);
160 agentData.firstname = (string)requestData["firstname"];
161 agentData.lastname = (string)requestData["lastname"];
162 agentData.AgentID = new LLUUID((string)requestData["agent_id"]);
163 agentData.circuitcode = Convert.ToUInt32(requestData["circuit_code"]);
164 if (requestData.ContainsKey("child_agent") && requestData["child_agent"].Equals("1"))
165 {
166 agentData.child = true;
167 }
168 else
169 {
170 agentData.startpos = new LLVector3(Convert.ToUInt32(requestData["startpos_x"]), Convert.ToUInt32(requestData["startpos_y"]), Convert.ToUInt32(requestData["startpos_z"]));
171 agentData.child = false;
172
173 }
174
175 if (listeners.ContainsKey((ulong)requestData["regionhandle"]))
176 {
177 this.listeners[(ulong)requestData["regionhandle"]].TriggerExpectUser((ulong)requestData["regionhandle"], agentData);
178 }
179 else
180 {
181 OpenSim.Framework.Console.MainLog.Instance.Error("ExpectUser() - Unknown region " + ((ulong)requestData["regionhandle"]).ToString());
182 }
183
184 return new XmlRpcResponse();
185 }
186
187 #region InterRegion Comms
188 private void StartRemoting()
189 {
190 TcpChannel ch = new TcpChannel(8895);
191 ChannelServices.RegisterChannel(ch);
192
193 WellKnownServiceTypeEntry wellType = new WellKnownServiceTypeEntry( Type.GetType("OGS1InterRegionRemoting"), "InterRegions", WellKnownObjectMode.Singleton);
194 RemotingConfiguration.RegisterWellKnownServiceType(wellType);
195 InterRegionSingleton.Instance.OnArrival += this.IncomingArrival;
196 InterRegionSingleton.Instance.OnChildAgent += this.IncomingChildAgent;
197 }
198
199 #region Methods called by regions in this instance
200 public bool InformRegionOfChildAgent(ulong regionHandle, AgentCircuitData agentData)
201 {
202 if (this.listeners.ContainsKey(regionHandle))
203 {
204 this.listeners[regionHandle].TriggerExpectUser(regionHandle, agentData);
205 return true;
206 }
207 //TODO need to see if we know about where this region is and use .net remoting
208 // to inform it.
209 return false;
210 }
211
212 public bool ExpectAvatarCrossing(ulong regionHandle, libsecondlife.LLUUID agentID, libsecondlife.LLVector3 position)
213 {
214 if (this.listeners.ContainsKey(regionHandle))
215 {
216 this.listeners[regionHandle].TriggerExpectAvatarCrossing(regionHandle, agentID, position);
217 return true;
218 }
219 //TODO need to see if we know about where this region is and use .net remoting
220 // to inform it.
221 return false;
222 }
223 #endregion
224
225 #region Methods triggered by calls from external instances
226 public bool IncomingChildAgent(ulong regionHandle, AgentCircuitData agentData)
227 {
228 if (this.listeners.ContainsKey(regionHandle))
229 {
230 this.listeners[regionHandle].TriggerExpectUser(regionHandle, agentData);
231 return true;
232 }
233 return false;
234 }
235
236 public bool IncomingArrival(ulong regionHandle, libsecondlife.LLUUID agentID, libsecondlife.LLVector3 position)
237 {
238 if (this.listeners.ContainsKey(regionHandle))
239 {
240 this.listeners[regionHandle].TriggerExpectAvatarCrossing(regionHandle, agentID, position);
241 return true;
242 }
243 return false;
244 }
245 #endregion
246 #endregion
247 }
248}
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