249 lines
10 KiB
C#
249 lines
10 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Collections;
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using System.Text;
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using System.Runtime.Remoting;
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using System.Runtime.Remoting.Channels;
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using System.Runtime.Remoting.Channels.Tcp;
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using OpenSim.Servers;
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using OpenSim.Framework;
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using OpenSim.Framework.Types;
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using OpenGrid.Framework.Communications;
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using Nwc.XmlRpc;
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using libsecondlife;
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namespace OpenGrid.Framework.Communications.OGS1
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{
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public class OGS1GridServices : IGridServices, IInterRegionCommunications
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{
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public Dictionary<ulong, RegionCommsListener> listeners = new Dictionary<ulong, RegionCommsListener>();
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public GridInfo grid;
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public BaseHttpServer httpListener;
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private bool initialised = false;
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public RegionCommsListener RegisterRegion(RegionInfo regionInfo, GridInfo gridInfo)
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{
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Hashtable GridParams = new Hashtable();
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grid = gridInfo;
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// Login / Authentication
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GridParams["authkey"] = gridInfo.GridServerSendKey;
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GridParams["UUID"] = regionInfo.SimUUID.ToStringHyphenated();
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GridParams["sim_ip"] = regionInfo.CommsExternalAddress;
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GridParams["sim_port"] = regionInfo.CommsIPListenPort.ToString();
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// Package into an XMLRPC Request
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ArrayList SendParams = new ArrayList();
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SendParams.Add(GridParams);
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// Send Request
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XmlRpcRequest GridReq = new XmlRpcRequest("simulator_login", SendParams);
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XmlRpcResponse GridResp = GridReq.Send(gridInfo.GridServerURI, 3000);
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Hashtable GridRespData = (Hashtable)GridResp.Value;
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Hashtable griddatahash = GridRespData;
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// Process Response
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if (GridRespData.ContainsKey("error"))
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{
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string errorstring = (string)GridRespData["error"];
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OpenSim.Framework.Console.MainLog.Instance.Error("Unable to connect to grid: " + errorstring);
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return null;
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}
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if (!this.listeners.ContainsKey(regionInfo.RegionHandle))
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{
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// initialised = true;
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httpListener = new BaseHttpServer(regionInfo.CommsIPListenPort);
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httpListener.AddXmlRPCHandler("expect_user", this.ExpectUser);
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httpListener.Start();
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}
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// Initialise the background listeners
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listeners[regionInfo.RegionHandle] = new RegionCommsListener();
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return listeners[regionInfo.RegionHandle];
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}
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public List<RegionInfo> RequestNeighbours(RegionInfo regionInfo)
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{
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Hashtable respData = MapBlockQuery((int)regionInfo.RegionLocX - 1, (int)regionInfo.RegionLocY - 1, (int)regionInfo.RegionLocX + 1, (int)regionInfo.RegionLocY + 1);
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List<RegionInfo> neighbours = new List<RegionInfo>();
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foreach (Hashtable n in (Hashtable)respData.Values)
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{
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RegionInfo neighbour = new RegionInfo();
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//OGS1
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neighbour.RegionHandle = (ulong)n["regionhandle"];
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neighbour.RegionLocX = (uint)n["x"];
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neighbour.RegionLocY = (uint)n["y"];
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neighbour.RegionName = (string)n["name"];
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//OGS1+
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neighbour.CommsIPListenAddr = (string)n["sim_ip"];
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neighbour.CommsIPListenPort = (int)n["sim_port"];
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neighbour.CommsExternalAddress = (string)n["sim_uri"];
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neighbour.SimUUID = (string)n["uuid"];
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neighbours.Add(neighbour);
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}
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return neighbours;
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}
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public RegionInfo RequestNeighbourInfo(ulong regionHandle)
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{
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OpenSim.Framework.Console.MainLog.Instance.Warn("Unimplemented - RequestNeighbourInfo()");
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return null;
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}
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public List<MapBlockData> RequestNeighbourMapBlocks(int minX, int minY, int maxX, int maxY)
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{
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Hashtable respData = MapBlockQuery(minX, minY, maxX, maxY);
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List<MapBlockData> neighbours = new List<MapBlockData>();
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foreach (Hashtable n in (Hashtable)respData.Values)
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{
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MapBlockData neighbour = new MapBlockData();
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neighbour.X = (ushort)n["x"];
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neighbour.Y = (ushort)n["y"];
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neighbour.Name = (string)n["name"];
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neighbour.Access = (byte)n["access"];
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neighbour.RegionFlags = (uint)n["region-flags"];
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neighbour.WaterHeight = (byte)n["water-height"];
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neighbour.MapImageId = (string)n["map-image-id"];
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neighbours.Add(neighbour);
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}
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return neighbours;
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}
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/// <summary>
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/// Performs a XML-RPC query against the grid server returning mapblock information in the specified coordinates
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/// </summary>
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/// <remarks>REDUNDANT - OGS1 is to be phased out in favour of OGS2</remarks>
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/// <param name="minX">Minimum X value</param>
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/// <param name="minY">Minimum Y value</param>
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/// <param name="maxX">Maximum X value</param>
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/// <param name="maxY">Maximum Y value</param>
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/// <returns>Hashtable of hashtables containing map data elements</returns>
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private Hashtable MapBlockQuery(int minX, int minY, int maxX, int maxY)
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{
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Hashtable param = new Hashtable();
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param["xmin"] = minX;
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param["ymin"] = minY;
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param["xmax"] = maxX;
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param["ymax"] = maxY;
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IList parameters = new ArrayList();
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parameters.Add(param);
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XmlRpcRequest req = new XmlRpcRequest("map_block", parameters);
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XmlRpcResponse resp = req.Send(grid.GridServerURI, 3000);
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Hashtable respData = (Hashtable)resp.Value;
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return respData;
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}
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// Grid Request Processing
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public XmlRpcResponse ExpectUser(XmlRpcRequest request)
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{
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Hashtable requestData = (Hashtable)request.Params[0];
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AgentCircuitData agentData = new AgentCircuitData();
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agentData.SessionID = new LLUUID((string)requestData["session_id"]);
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agentData.SecureSessionID = new LLUUID((string)requestData["secure_session_id"]);
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agentData.firstname = (string)requestData["firstname"];
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agentData.lastname = (string)requestData["lastname"];
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agentData.AgentID = new LLUUID((string)requestData["agent_id"]);
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agentData.circuitcode = Convert.ToUInt32(requestData["circuit_code"]);
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if (requestData.ContainsKey("child_agent") && requestData["child_agent"].Equals("1"))
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{
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agentData.child = true;
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}
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else
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{
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agentData.startpos = new LLVector3(Convert.ToUInt32(requestData["startpos_x"]), Convert.ToUInt32(requestData["startpos_y"]), Convert.ToUInt32(requestData["startpos_z"]));
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agentData.child = false;
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}
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if (listeners.ContainsKey((ulong)requestData["regionhandle"]))
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{
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this.listeners[(ulong)requestData["regionhandle"]].TriggerExpectUser((ulong)requestData["regionhandle"], agentData);
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}
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else
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{
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OpenSim.Framework.Console.MainLog.Instance.Error("ExpectUser() - Unknown region " + ((ulong)requestData["regionhandle"]).ToString());
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}
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return new XmlRpcResponse();
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}
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#region InterRegion Comms
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private void StartRemoting()
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{
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TcpChannel ch = new TcpChannel(8895);
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ChannelServices.RegisterChannel(ch);
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WellKnownServiceTypeEntry wellType = new WellKnownServiceTypeEntry( Type.GetType("OGS1InterRegionRemoting"), "InterRegions", WellKnownObjectMode.Singleton);
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RemotingConfiguration.RegisterWellKnownServiceType(wellType);
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InterRegionSingleton.Instance.OnArrival += this.IncomingArrival;
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InterRegionSingleton.Instance.OnChildAgent += this.IncomingChildAgent;
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}
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#region Methods called by regions in this instance
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public bool InformRegionOfChildAgent(ulong regionHandle, AgentCircuitData agentData)
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{
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if (this.listeners.ContainsKey(regionHandle))
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{
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this.listeners[regionHandle].TriggerExpectUser(regionHandle, agentData);
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return true;
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}
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//TODO need to see if we know about where this region is and use .net remoting
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// to inform it.
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return false;
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}
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public bool ExpectAvatarCrossing(ulong regionHandle, libsecondlife.LLUUID agentID, libsecondlife.LLVector3 position)
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{
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if (this.listeners.ContainsKey(regionHandle))
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{
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this.listeners[regionHandle].TriggerExpectAvatarCrossing(regionHandle, agentID, position);
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return true;
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}
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//TODO need to see if we know about where this region is and use .net remoting
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// to inform it.
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return false;
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}
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#endregion
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#region Methods triggered by calls from external instances
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public bool IncomingChildAgent(ulong regionHandle, AgentCircuitData agentData)
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{
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if (this.listeners.ContainsKey(regionHandle))
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{
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this.listeners[regionHandle].TriggerExpectUser(regionHandle, agentData);
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return true;
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}
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return false;
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}
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public bool IncomingArrival(ulong regionHandle, libsecondlife.LLUUID agentID, libsecondlife.LLVector3 position)
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{
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if (this.listeners.ContainsKey(regionHandle))
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{
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this.listeners[regionHandle].TriggerExpectAvatarCrossing(regionHandle, agentID, position);
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return true;
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}
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return false;
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}
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#endregion
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#endregion
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}
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}
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