/** * Copyright (c) 2008, Contributors. All rights reserved. * 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 Organizations nor the names of Individual * Contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER OR 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.Collections.Generic; using System.Net; using System.Net.Sockets; using System.Reflection; using System.Runtime.Remoting; using System.Runtime.Remoting.Channels; using System.Runtime.Remoting.Channels.Tcp; using System.Security.Authentication; using OpenSim.Framework; using OpenSim.Framework.Communications; using OpenSim.Framework.Communications.Cache; using OpenSim.Framework.Servers; using OpenSim.Region.Communications.Local; using OpenSim.Region.Communications.OGS1; using OpenSim.Region.Framework.Scenes; using OpenMetaverse; using Nwc.XmlRpc; using log4net; namespace OpenSim.Region.Communications.Hypergrid { public class HGGridServicesStandalone : HGGridServices { private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); /// /// Encapsulate local backend services for manipulation of local regions /// protected LocalBackEndServices m_localBackend = new LocalBackEndServices(); private Dictionary m_deadRegionCache = new Dictionary(); public LocalBackEndServices LocalBackend { get { return m_localBackend; } } public override string gdebugRegionName { get { return m_localBackend.gdebugRegionName; } set { m_localBackend.gdebugRegionName = value; } } public override bool RegionLoginsEnabled { get { return m_localBackend.RegionLoginsEnabled; } set { m_localBackend.RegionLoginsEnabled = value; } } public HGGridServicesStandalone(NetworkServersInfo servers_info, BaseHttpServer httpServe, AssetCache asscache, SceneManager sman) : base(servers_info, httpServe, asscache, sman) { //Respond to Grid Services requests httpServer.AddXmlRPCHandler("logoff_user", LogOffUser); httpServer.AddXmlRPCHandler("check", PingCheckReply); httpServer.AddXmlRPCHandler("land_data", LandData); StartRemoting(); } #region IGridServices interface public override RegionCommsListener RegisterRegion(RegionInfo regionInfo) { if (!regionInfo.RegionID.Equals(UUID.Zero)) { m_regionsOnInstance.Add(regionInfo); return m_localBackend.RegisterRegion(regionInfo); } else return base.RegisterRegion(regionInfo); } public override bool DeregisterRegion(RegionInfo regionInfo) { bool success = m_localBackend.DeregisterRegion(regionInfo); if (!success) success = base.DeregisterRegion(regionInfo); return success; } public override List RequestNeighbours(uint x, uint y) { List neighbours = m_localBackend.RequestNeighbours(x, y); //List remotes = base.RequestNeighbours(x, y); //neighbours.AddRange(remotes); return neighbours; } public override RegionInfo RequestNeighbourInfo(UUID Region_UUID) { RegionInfo info = m_localBackend.RequestNeighbourInfo(Region_UUID); if (info == null) info = base.RequestNeighbourInfo(Region_UUID); return info; } public override RegionInfo RequestNeighbourInfo(ulong regionHandle) { RegionInfo info = m_localBackend.RequestNeighbourInfo(regionHandle); //m_log.Info("[HGrid] Request neighbor info, local backend returned " + info); if (info == null) info = base.RequestNeighbourInfo(regionHandle); return info; } public override RegionInfo RequestClosestRegion(string regionName) { RegionInfo info = m_localBackend.RequestClosestRegion(regionName); if (info == null) info = base.RequestClosestRegion(regionName); return info; } public override List RequestNeighbourMapBlocks(int minX, int minY, int maxX, int maxY) { //m_log.Info("[HGrid] Request map blocks " + minX + "-" + minY + "-" + maxX + "-" + maxY); List neighbours = m_localBackend.RequestNeighbourMapBlocks(minX, minY, maxX, maxY); List remotes = base.RequestNeighbourMapBlocks(minX, minY, maxX, maxY); neighbours.AddRange(remotes); return neighbours; } public override LandData RequestLandData(ulong regionHandle, uint x, uint y) { LandData land = m_localBackend.RequestLandData(regionHandle, x, y); if (land == null) land = base.RequestLandData(regionHandle, x, y); return land; } public override List RequestNamedRegions(string name, int maxNumber) { List infos = m_localBackend.RequestNamedRegions(name, maxNumber); List remotes = base.RequestNamedRegions(name, maxNumber); infos.AddRange(remotes); return infos; } #endregion #region XML Request Handlers /// /// A ping / version check /// /// /// public virtual XmlRpcResponse PingCheckReply(XmlRpcRequest request) { XmlRpcResponse response = new XmlRpcResponse(); Hashtable respData = new Hashtable(); respData["online"] = "true"; m_localBackend.PingCheckReply(respData); response.Value = respData; return response; } // Grid Request Processing /// /// Ooops, our Agent must be dead if we're getting this request! /// /// /// public XmlRpcResponse LogOffUser(XmlRpcRequest request) { m_log.Debug("[HGrid]: LogOff User Called"); Hashtable requestData = (Hashtable)request.Params[0]; string message = (string)requestData["message"]; UUID agentID = UUID.Zero; UUID RegionSecret = UUID.Zero; UUID.TryParse((string)requestData["agent_id"], out agentID); UUID.TryParse((string)requestData["region_secret"], out RegionSecret); ulong regionHandle = Convert.ToUInt64((string)requestData["regionhandle"]); m_localBackend.TriggerLogOffUser(regionHandle, agentID, RegionSecret, message); return new XmlRpcResponse(); } /// /// Someone asked us about parcel-information /// /// /// public XmlRpcResponse LandData(XmlRpcRequest request) { Hashtable requestData = (Hashtable)request.Params[0]; ulong regionHandle = Convert.ToUInt64(requestData["region_handle"]); uint x = Convert.ToUInt32(requestData["x"]); uint y = Convert.ToUInt32(requestData["y"]); m_log.DebugFormat("[HGrid]: Got XML reqeuest for land data at {0}, {1} in region {2}", x, y, regionHandle); LandData landData = m_localBackend.RequestLandData(regionHandle, x, y); Hashtable hash = new Hashtable(); if (landData != null) { // for now, only push out the data we need for answering a ParcelInfoReqeust hash["AABBMax"] = landData.AABBMax.ToString(); hash["AABBMin"] = landData.AABBMin.ToString(); hash["Area"] = landData.Area.ToString(); hash["AuctionID"] = landData.AuctionID.ToString(); hash["Description"] = landData.Description; hash["Flags"] = landData.Flags.ToString(); hash["GlobalID"] = landData.GlobalID.ToString(); hash["Name"] = landData.Name; hash["OwnerID"] = landData.OwnerID.ToString(); hash["SalePrice"] = landData.SalePrice.ToString(); hash["SnapshotID"] = landData.SnapshotID.ToString(); hash["UserLocation"] = landData.UserLocation.ToString(); } XmlRpcResponse response = new XmlRpcResponse(); response.Value = hash; return response; } #endregion #region Remoting /// /// Start listening for .net remoting calls from other regions. /// private void StartRemoting() { m_log.Info("[HGrid]: Start remoting..."); TcpChannel ch; try { ch = new TcpChannel((int)NetworkServersInfo.RemotingListenerPort); ChannelServices.RegisterChannel(ch, false); // Disabled security as Mono doesn't support this. } catch (Exception ex) { m_log.Error("[HGrid]: Exception while attempting to listen on TCP port " + (int)NetworkServersInfo.RemotingListenerPort + "."); throw (ex); } WellKnownServiceTypeEntry wellType = new WellKnownServiceTypeEntry(typeof(OGS1InterRegionRemoting), "InterRegions", WellKnownObjectMode.Singleton); RemotingConfiguration.RegisterWellKnownServiceType(wellType); InterRegionSingleton.Instance.OnArrival += TriggerExpectAvatarCrossing; InterRegionSingleton.Instance.OnChildAgent += IncomingChildAgent; InterRegionSingleton.Instance.OnPrimGroupArrival += IncomingPrim; InterRegionSingleton.Instance.OnPrimGroupNear += TriggerExpectPrimCrossing; InterRegionSingleton.Instance.OnRegionUp += TriggerRegionUp; InterRegionSingleton.Instance.OnChildAgentUpdate += TriggerChildAgentUpdate; InterRegionSingleton.Instance.OnTellRegionToCloseChildConnection += TriggerTellRegionToCloseChildConnection; } #endregion #region IInterRegionCommunications interface (Methods called by regions in this instance) public override bool ChildAgentUpdate(ulong regionHandle, ChildAgentDataUpdate cAgentData) { int failures = 0; lock (m_deadRegionCache) { if (m_deadRegionCache.ContainsKey(regionHandle)) { failures = m_deadRegionCache[regionHandle]; } } if (failures <= 3) { RegionInfo regInfo = null; try { if (m_localBackend.ChildAgentUpdate(regionHandle, cAgentData)) { return true; } regInfo = RequestNeighbourInfo(regionHandle); if (regInfo != null) { //don't want to be creating a new link to the remote instance every time like we are here bool retValue = false; OGS1InterRegionRemoting remObject = (OGS1InterRegionRemoting)Activator.GetObject( typeof(OGS1InterRegionRemoting), "tcp://" + regInfo.RemotingAddress + ":" + regInfo.RemotingPort + "/InterRegions"); if (remObject != null) { retValue = remObject.ChildAgentUpdate(regionHandle, cAgentData); } else { m_log.Warn("[HGrid]: remoting object not found"); } remObject = null; return retValue; } NoteDeadRegion(regionHandle); return false; } catch (RemotingException e) { NoteDeadRegion(regionHandle); m_log.WarnFormat( "[HGrid]: Remoting Error: Unable to connect to adjacent region: {0} {1},{2}", regInfo.RegionName, regInfo.RegionLocX, regInfo.RegionLocY); m_log.DebugFormat("[HGrid]: {0} {1}", e.Source, e.Message); return false; } catch (SocketException e) { NoteDeadRegion(regionHandle); m_log.WarnFormat( "[HGrid]: Remoting Error: Unable to connect to adjacent region: {0} {1},{2}", regInfo.RegionName, regInfo.RegionLocX, regInfo.RegionLocY); m_log.DebugFormat("[HGrid]: {0} {1}", e.Source, e.Message); return false; } catch (InvalidCredentialException e) { NoteDeadRegion(regionHandle); m_log.WarnFormat( "[HGrid]: Remoting Error: Unable to connect to adjacent region: {0} {1},{2}", regInfo.RegionName, regInfo.RegionLocX, regInfo.RegionLocY); m_log.DebugFormat("[HGrid]: {0} {1}", e.Source, e.Message); return false; } catch (AuthenticationException e) { NoteDeadRegion(regionHandle); m_log.WarnFormat( "[HGrid]: Remoting Error: Unable to connect to adjacent region: {0} {1},{2}", regInfo.RegionName, regInfo.RegionLocX, regInfo.RegionLocY); m_log.DebugFormat("[HGrid]: {0} {1}", e.Source, e.Message); return false; } catch (Exception e) { NoteDeadRegion(regionHandle); m_log.WarnFormat("[HGrid]: Unable to connect to adjacent region: {0} {1},{2}", regInfo.RegionName, regInfo.RegionLocX, regInfo.RegionLocY); m_log.DebugFormat("[HGrid]: {0} {1}", e.Source, e.Message); return false; } } else { //m_log.Info("[INTERREGION]: Skipped Sending Child Update to a region because it failed too many times:" + regionHandle.ToString()); return false; } } /// /// Inform a region that a child agent will be on the way from a client. /// /// /// /// public override bool InformRegionOfChildAgent(ulong regionHandle, AgentCircuitData agentData) { if (m_localBackend.InformRegionOfChildAgent(regionHandle, agentData)) { return true; } return base.InformRegionOfChildAgent(regionHandle, agentData); } // UGLY! public override bool RegionUp(SerializableRegionInfo region, ulong regionhandle) { if (m_localBackend.RegionUp(region, regionhandle)) return true; return base.RegionUp(region, regionhandle); } /// /// /// /// /// /// public override bool InformRegionOfPrimCrossing(ulong regionHandle, UUID primID, string objData, int XMLMethod) { int failures = 0; lock (m_deadRegionCache) { if (m_deadRegionCache.ContainsKey(regionHandle)) { failures = m_deadRegionCache[regionHandle]; } } if (failures <= 1) { RegionInfo regInfo = null; try { if (m_localBackend.InformRegionOfPrimCrossing(regionHandle, primID, objData, XMLMethod)) { return true; } regInfo = RequestNeighbourInfo(regionHandle); if (regInfo != null) { //don't want to be creating a new link to the remote instance every time like we are here bool retValue = false; OGS1InterRegionRemoting remObject = (OGS1InterRegionRemoting)Activator.GetObject( typeof(OGS1InterRegionRemoting), "tcp://" + regInfo.RemotingAddress + ":" + regInfo.RemotingPort + "/InterRegions"); if (remObject != null) { retValue = remObject.InformRegionOfPrimCrossing(regionHandle, primID.Guid, objData, XMLMethod); } else { m_log.Warn("[HGrid]: Remoting object not found"); } remObject = null; return retValue; } NoteDeadRegion(regionHandle); return false; } catch (RemotingException e) { NoteDeadRegion(regionHandle); m_log.Warn("[HGrid]: Remoting Error: Unable to connect to adjacent region: " + regionHandle); m_log.DebugFormat("[HGrid]: {0} {1}", e.Source, e.Message); return false; } catch (SocketException e) { NoteDeadRegion(regionHandle); m_log.Warn("[HGrid]: Remoting Error: Unable to connect to adjacent region: " + regionHandle); m_log.DebugFormat("[HGrid]: {0} {1}", e.Source, e.Message); return false; } catch (InvalidCredentialException e) { NoteDeadRegion(regionHandle); m_log.Warn("[HGrid]: Invalid Credential Exception: Invalid Credentials : " + regionHandle); m_log.DebugFormat("[HGrid]: {0} {1}", e.Source, e.Message); return false; } catch (AuthenticationException e) { NoteDeadRegion(regionHandle); m_log.Warn("[HGrid]: Authentication exception: Unable to connect to adjacent region: " + regionHandle); m_log.DebugFormat("[HGrid]: {0} {1}", e.Source, e.Message); return false; } catch (Exception e) { NoteDeadRegion(regionHandle); m_log.Warn("[HGrid]: Unknown exception: Unable to connect to adjacent region: " + regionHandle); m_log.DebugFormat("[HGrid]: {0}", e); return false; } } else { return false; } } /// /// /// /// /// /// /// public override bool ExpectAvatarCrossing(ulong regionHandle, UUID agentID, Vector3 position, bool isFlying) { RegionInfo[] regions = m_regionsOnInstance.ToArray(); bool banned = false; bool localregion = false; for (int i = 0; i < regions.Length; i++) { if (regions[i] != null) { if (regions[i].RegionHandle == regionHandle) { localregion = true; if (regions[i].EstateSettings.IsBanned(agentID)) { banned = true; break; } } } } if (banned) return false; if (localregion) return m_localBackend.ExpectAvatarCrossing(regionHandle, agentID, position, isFlying); return base.ExpectAvatarCrossing(regionHandle, agentID, position, isFlying); } public override bool ExpectPrimCrossing(ulong regionHandle, UUID agentID, Vector3 position, bool isPhysical) { RegionInfo regInfo = null; try { if (m_localBackend.TriggerExpectPrimCrossing(regionHandle, agentID, position, isPhysical)) { return true; } regInfo = RequestNeighbourInfo(regionHandle); if (regInfo != null) { bool retValue = false; OGS1InterRegionRemoting remObject = (OGS1InterRegionRemoting)Activator.GetObject( typeof(OGS1InterRegionRemoting), "tcp://" + regInfo.RemotingAddress + ":" + regInfo.RemotingPort + "/InterRegions"); if (remObject != null) { retValue = remObject.ExpectAvatarCrossing(regionHandle, agentID.Guid, new sLLVector3(position), isPhysical); } else { m_log.Warn("[HGrid]: Remoting object not found"); } remObject = null; return retValue; } //TODO need to see if we know about where this region is and use .net remoting // to inform it. NoteDeadRegion(regionHandle); return false; } catch (RemotingException e) { NoteDeadRegion(regionHandle); m_log.Warn("[HGrid]: Remoting Error: Unable to connect to adjacent region: " + regionHandle); m_log.DebugFormat("[HGrid]: {0} {1}", e.Source, e.Message); return false; } catch (SocketException e) { NoteDeadRegion(regionHandle); m_log.Warn("[HGrid]: Remoting Error: Unable to connect to adjacent region: " + regionHandle); m_log.DebugFormat("[HGrid]: {0} {1}", e.Source, e.Message); return false; } catch (InvalidCredentialException e) { NoteDeadRegion(regionHandle); m_log.Warn("[HGrid]: Invalid Credential Exception: Invalid Credentials : " + regionHandle); m_log.DebugFormat("[HGrid]: {0} {1}", e.Source, e.Message); return false; } catch (AuthenticationException e) { NoteDeadRegion(regionHandle); m_log.Warn("[HGrid]: Authentication exception: Unable to connect to adjacent region: " + regionHandle); m_log.DebugFormat("[HGrid]: {0} {1}", e.Source, e.Message); return false; } catch (Exception e) { NoteDeadRegion(regionHandle); m_log.Warn("[HGrid]: Unknown exception: Unable to connect to adjacent region: " + regionHandle); m_log.DebugFormat("[HGrid]: {0}", e); return false; } } public override bool TellRegionToCloseChildConnection(ulong regionHandle, UUID agentID) { m_log.Debug("[HGrid]: TellRegion " + regionHandle + " ToCloseChildConnection for " + agentID); RegionInfo regInfo = null; try { if (m_localBackend.TriggerTellRegionToCloseChildConnection(regionHandle, agentID)) { return true; } regInfo = RequestNeighbourInfo(regionHandle); if (regInfo != null) { // bool retValue = false; OGS1InterRegionRemoting remObject = (OGS1InterRegionRemoting)Activator.GetObject( typeof(OGS1InterRegionRemoting), "tcp://" + regInfo.RemotingAddress + ":" + regInfo.RemotingPort + "/InterRegions"); if (remObject != null) { // retValue = remObject.TellRegionToCloseChildConnection(regionHandle, agentID.Guid); } else { m_log.Warn("[HGrid]: Remoting object not found"); } remObject = null; return true; } //TODO need to see if we know about where this region is and use .net remoting // to inform it. NoteDeadRegion(regionHandle); return false; } catch (RemotingException) { NoteDeadRegion(regionHandle); m_log.Warn("[HGrid]: Remoting Error: Unable to connect to adjacent region to tell it to close child agents: " + regInfo.RegionName + " " + regInfo.RegionLocX + "," + regInfo.RegionLocY); //m_log.Debug(e.ToString()); return false; } catch (SocketException e) { NoteDeadRegion(regionHandle); m_log.Warn("[HGridS]: Socket Error: Unable to connect to adjacent region using tcp://" + regInfo.RemotingAddress + ":" + regInfo.RemotingPort + "/InterRegions - @ " + regInfo.RegionLocX + "," + regInfo.RegionLocY + " - Is this neighbor up?"); m_log.DebugFormat("[HGrid]: {0} {1}", e.Source, e.Message); return false; } catch (InvalidCredentialException e) { NoteDeadRegion(regionHandle); m_log.Warn("[HGrid]: Invalid Credentials: Unable to connect to adjacent region using tcp://" + regInfo.RemotingAddress + ":" + regInfo.RemotingPort + "/InterRegions - @ " + regInfo.RegionLocX + "," + regInfo.RegionLocY); m_log.DebugFormat("[HGrid]: {0} {1}", e.Source, e.Message); return false; } catch (AuthenticationException e) { NoteDeadRegion(regionHandle); m_log.Warn("[HGrid]: Authentication exception: Unable to connect to adjacent region using tcp://" + regInfo.RemotingAddress + ":" + regInfo.RemotingPort + "/InterRegions - @ " + regInfo.RegionLocX + "," + regInfo.RegionLocY); m_log.DebugFormat("[HGrid]: {0} {1}", e.Source, e.Message); return false; } catch (WebException e) { NoteDeadRegion(regionHandle); m_log.Warn("[HGrid]: WebException exception: Unable to connect to adjacent region using tcp://" + regInfo.RemotingAddress + ":" + regInfo.RemotingPort + "/InterRegions - @ " + regInfo.RegionLocX + "," + regInfo.RegionLocY); m_log.DebugFormat("[HGrid]: {0} {1}", e.Source, e.Message); return false; } catch (Exception e) { NoteDeadRegion(regionHandle); // This line errors with a Null Reference Exception.. Why? @.@ //m_log.Warn("Unknown exception: Unable to connect to adjacent region using tcp://" + regInfo.RemotingAddress + // ":" + regInfo.RemotingPort + //"/InterRegions - @ " + regInfo.RegionLocX + "," + regInfo.RegionLocY + " - This is likely caused by an incompatibility in the protocol between this sim and that one"); m_log.DebugFormat("[HGrid]: {0}", e); return false; } } public override bool AcknowledgeAgentCrossed(ulong regionHandle, UUID agentId) { return m_localBackend.AcknowledgeAgentCrossed(regionHandle, agentId); } public override bool AcknowledgePrimCrossed(ulong regionHandle, UUID primId) { return m_localBackend.AcknowledgePrimCrossed(regionHandle, primId); } #endregion #region Methods triggered by calls from external instances /// /// /// /// /// /// public bool IncomingChildAgent(ulong regionHandle, AgentCircuitData agentData) { AdjustUserInformation(agentData); m_log.Info("[HGrid]: " + gdebugRegionName + ": Incoming HGrid Agent " + agentData.firstname + " " + agentData.lastname); return m_localBackend.IncomingChildAgent(regionHandle, agentData); } public bool TriggerRegionUp(RegionUpData regionData, ulong regionhandle) { m_log.Info( "[HGrid]: " + m_localBackend._gdebugRegionName + "Incoming HGrid RegionUpReport: " + "(" + regionData.X + "," + regionData.Y + "). Giving this region a fresh set of 'dead' tries"); RegionInfo nRegionInfo = new RegionInfo(); nRegionInfo.SetEndPoint("127.0.0.1", regionData.PORT); nRegionInfo.ExternalHostName = regionData.IPADDR; nRegionInfo.RegionLocX = regionData.X; nRegionInfo.RegionLocY = regionData.Y; lock (m_deadRegionCache) { if (m_deadRegionCache.ContainsKey(nRegionInfo.RegionHandle)) { m_deadRegionCache.Remove(nRegionInfo.RegionHandle); } } return m_localBackend.TriggerRegionUp(nRegionInfo, regionhandle); } public bool TriggerChildAgentUpdate(ulong regionHandle, ChildAgentDataUpdate cAgentData) { //m_log.Info("[INTER]: Incoming HGrid Child Agent Data Update"); return m_localBackend.TriggerChildAgentUpdate(regionHandle, cAgentData); } /// /// /// /// /// /// public bool IncomingPrim(ulong regionHandle, UUID primID, string objData, int XMLMethod) { m_localBackend.TriggerExpectPrim(regionHandle, primID, objData, XMLMethod); return true; } /// /// /// /// /// /// /// public bool TriggerExpectAvatarCrossing(ulong regionHandle, UUID agentID, Vector3 position, bool isFlying) { return m_localBackend.TriggerExpectAvatarCrossing(regionHandle, agentID, position, isFlying); } public bool TriggerExpectPrimCrossing(ulong regionHandle, UUID agentID, Vector3 position, bool isPhysical) { return m_localBackend.TriggerExpectPrimCrossing(regionHandle, agentID, position, isPhysical); } public bool TriggerTellRegionToCloseChildConnection(ulong regionHandle, UUID agentID) { return m_localBackend.TriggerTellRegionToCloseChildConnection(regionHandle, agentID); } int timeOut = 10; //10 seconds /// /// Check that a region is available for TCP comms. This is necessary for .NET remoting between regions. /// /// /// /// /// public bool CheckRegion(string address, uint port, bool retry) { bool available = false; bool timed_out = true; IPAddress ia; IPAddress.TryParse(address, out ia); IPEndPoint m_EndPoint = new IPEndPoint(ia, (int)port); AsyncCallback callback = delegate(IAsyncResult iar) { Socket s = (Socket)iar.AsyncState; try { s.EndConnect(iar); available = true; timed_out = false; } catch (Exception e) { m_log.DebugFormat( "[HGrid]: Callback EndConnect exception: {0}:{1}", e.Message, e.StackTrace); } s.Close(); }; try { Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); IAsyncResult ar = socket.BeginConnect(m_EndPoint, callback, socket); ar.AsyncWaitHandle.WaitOne(timeOut * 1000, false); } catch (Exception e) { m_log.DebugFormat( "[HGrid]: CheckRegion Socket Setup exception: {0}:{1}", e.Message, e.StackTrace); return false; } if (timed_out) { m_log.DebugFormat( "[HGrid]: socket [{0}] timed out ({1}) waiting to obtain a connection.", m_EndPoint, timeOut * 1000); if (retry) { return CheckRegion(address, port, false); } } return available; } public override bool CheckRegion(string address, uint port) { return CheckRegion(address, port, true); } public void NoteDeadRegion(ulong regionhandle) { lock (m_deadRegionCache) { if (m_deadRegionCache.ContainsKey(regionhandle)) { m_deadRegionCache[regionhandle] = m_deadRegionCache[regionhandle] + 1; } else { m_deadRegionCache.Add(regionhandle, 1); } } } #endregion } }