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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.
Diffstat (limited to 'OpenSim/Framework/Communications.OGS1/OGS1GridServices.cs')
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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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