1 files changed, 613 insertions, 0 deletions

diff --git a/OpenSim/Services/Connectors/Simulation/SimulationServiceConnector.cs b/OpenSim/Services/Connectors/Simulation/SimulationServiceConnector.cs
new file mode 100644
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--- /dev/null
+++ b/OpenSim/Services/Connectors/Simulation/SimulationServiceConnector.cs
@@ -0,0 +1,613 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * 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 OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``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 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.Generic;
+using System.IO;
+using System.Net;
+using System.Reflection;
+using System.Text;
+
+using OpenSim.Framework;
+using OpenSim.Services.Interfaces;
+using GridRegion = OpenSim.Services.Interfaces.GridRegion;
+
+using OpenMetaverse;
+using OpenMetaverse.StructuredData;
+using log4net;
+using Nini.Config;
+
+namespace OpenSim.Services.Connectors.Simulation
+{
+    public class SimulationServiceConnector : ISimulationService
+    {
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+
+        //private GridRegion m_Region;
+
+        public SimulationServiceConnector()
+        {
+        }
+
+        public SimulationServiceConnector(IConfigSource config)
+        {
+            //m_Region = region;
+        }
+
+        public IScene GetScene(ulong regionHandle)
+        {
+            return null;
+        }
+
+        public ISimulationService GetInnerService()
+        {
+            return null;
+        }
+
+        #region Agents
+
+        protected virtual string AgentPath()
+        {
+            return "/agent/";
+        }
+
+        public bool CreateAgent(GridRegion destination, AgentCircuitData aCircuit, uint flags, out string reason)
+        {
+            reason = String.Empty;
+
+            if (destination == null)
+            {
+                reason = "Destination is null";
+                m_log.Debug("[REMOTE SIMULATION CONNECTOR]: Given destination is null");
+                return false;
+            }
+
+            // Eventually, we want to use a caps url instead of the agentID
+            string uri = string.Empty;
+            try
+            {
+                uri = "http://" + destination.ExternalEndPoint.Address + ":" + destination.HttpPort + AgentPath() + aCircuit.AgentID + "/";
+            }
+            catch (Exception e)
+            {
+                m_log.Debug("[REMOTE SIMULATION CONNECTOR]: Unable to resolve external endpoint on agent create. Reason: " + e.Message);
+                reason = e.Message;
+                return false;
+            }
+
+            //Console.WriteLine("   >>> DoCreateChildAgentCall <<< " + uri);
+
+            HttpWebRequest AgentCreateRequest = (HttpWebRequest)WebRequest.Create(uri);
+            AgentCreateRequest.Method = "POST";
+            AgentCreateRequest.ContentType = "application/json";
+            AgentCreateRequest.Timeout = 10000;
+            //AgentCreateRequest.KeepAlive = false;
+            //AgentCreateRequest.Headers.Add("Authorization", authKey);
+
+            // Fill it in
+            OSDMap args = PackCreateAgentArguments(aCircuit, destination, flags);
+            if (args == null)
+                return false;
+
+            string strBuffer = "";
+            byte[] buffer = new byte[1];
+            try
+            {
+                strBuffer = OSDParser.SerializeJsonString(args);
+                Encoding str = Util.UTF8;
+                buffer = str.GetBytes(strBuffer);
+
+            }
+            catch (Exception e)
+            {
+                m_log.WarnFormat("[REMOTE SIMULATION CONNECTOR]: Exception thrown on serialization of ChildCreate: {0}", e.Message);
+                // ignore. buffer will be empty, caller should check.
+            }
+
+            Stream os = null;
+            try
+            { // send the Post
+                AgentCreateRequest.ContentLength = buffer.Length;   //Count bytes to send
+                os = AgentCreateRequest.GetRequestStream();
+                os.Write(buffer, 0, strBuffer.Length);         //Send it
+                m_log.InfoFormat("[REMOTE SIMULATION CONNECTOR]: Posted CreateAgent request to remote sim {0}, region {1}, x={2} y={3}", 
+                    uri, destination.RegionName, destination.RegionLocX, destination.RegionLocY);
+            }
+            //catch (WebException ex)
+            catch
+            {
+                //m_log.InfoFormat("[REMOTE SIMULATION CONNECTOR]: Bad send on ChildAgentUpdate {0}", ex.Message);
+                reason = "cannot contact remote region";
+                return false;
+            }
+            finally
+            {
+                if (os != null)
+                    os.Close();
+            }
+
+            // Let's wait for the response
+            //m_log.Info("[REMOTE SIMULATION CONNECTOR]: Waiting for a reply after DoCreateChildAgentCall");
+
+            WebResponse webResponse = null;
+            StreamReader sr = null;
+            try
+            {
+                webResponse = AgentCreateRequest.GetResponse();
+                if (webResponse == null)
+                {
+                    m_log.Info("[REMOTE SIMULATION CONNECTOR]: Null reply on DoCreateChildAgentCall post");
+                }
+                else
+                {
+
+                    sr = new StreamReader(webResponse.GetResponseStream());
+                    string response = sr.ReadToEnd().Trim();
+                    m_log.InfoFormat("[REMOTE SIMULATION CONNECTOR]: DoCreateChildAgentCall reply was {0} ", response);
+
+                    if (!String.IsNullOrEmpty(response))
+                    {
+                        try
+                        {
+                            // we assume we got an OSDMap back
+                            OSDMap r = Util.GetOSDMap(response);
+                            bool success = r["success"].AsBoolean();
+                            reason = r["reason"].AsString();
+                            return success;
+                        }
+                        catch (NullReferenceException e)
+                        {
+                            m_log.InfoFormat("[REMOTE SIMULATION CONNECTOR]: exception on reply of DoCreateChildAgentCall {0}", e.Message);
+
+                            // check for old style response
+                            if (response.ToLower().StartsWith("true"))
+                                return true;
+
+                            return false;
+                        }
+                    }
+                }
+            }
+            catch (WebException ex)
+            {
+                m_log.InfoFormat("[REMOTE SIMULATION CONNECTOR]: exception on reply of DoCreateChildAgentCall {0}", ex.Message);
+                reason = "Destination did not reply";
+                return false;
+            }
+            finally
+            {
+                if (sr != null)
+                    sr.Close();
+            }
+
+            return true;
+        }
+
+        protected virtual OSDMap PackCreateAgentArguments(AgentCircuitData aCircuit, GridRegion destination, uint flags)
+        {
+            OSDMap args = null;
+            try
+            {
+                args = aCircuit.PackAgentCircuitData();
+            }
+            catch (Exception e)
+            {
+                m_log.Debug("[REMOTE SIMULATION CONNECTOR]: PackAgentCircuitData failed with exception: " + e.Message);
+                return null;
+            }
+            // Add the input arguments
+            args["destination_x"] = OSD.FromString(destination.RegionLocX.ToString());
+            args["destination_y"] = OSD.FromString(destination.RegionLocY.ToString());
+            args["destination_name"] = OSD.FromString(destination.RegionName);
+            args["destination_uuid"] = OSD.FromString(destination.RegionID.ToString());
+            args["teleport_flags"] = OSD.FromString(flags.ToString());
+
+            return args;
+        }
+
+        public bool UpdateAgent(GridRegion destination, AgentData data)
+        {
+            return UpdateAgent(destination, (IAgentData)data);
+        }
+
+        public bool UpdateAgent(GridRegion destination, AgentPosition data)
+        {
+            return UpdateAgent(destination, (IAgentData)data);
+        }
+
+        private bool UpdateAgent(GridRegion destination, IAgentData cAgentData)
+        {
+            // Eventually, we want to use a caps url instead of the agentID
+            string uri = string.Empty;
+            try
+            {
+                uri = "http://" + destination.ExternalEndPoint.Address + ":" + destination.HttpPort + AgentPath() + cAgentData.AgentID + "/";
+            }
+            catch (Exception e)
+            {
+                m_log.Debug("[REMOTE SIMULATION CONNECTOR]: Unable to resolve external endpoint on agent update. Reason: " + e.Message);
+                return false;
+            }
+            //Console.WriteLine("   >>> DoAgentUpdateCall <<< " + uri);
+
+            HttpWebRequest ChildUpdateRequest = (HttpWebRequest)WebRequest.Create(uri);
+            ChildUpdateRequest.Method = "PUT";
+            ChildUpdateRequest.ContentType = "application/json";
+            ChildUpdateRequest.Timeout = 10000;
+            //ChildUpdateRequest.KeepAlive = false;
+
+            // Fill it in
+            OSDMap args = null;
+            try
+            {
+                args = cAgentData.Pack();
+            }
+            catch (Exception e)
+            {
+                m_log.Debug("[REMOTE SIMULATION CONNECTOR]: PackUpdateMessage failed with exception: " + e.Message);
+            }
+            // Add the input arguments
+            args["destination_x"] = OSD.FromString(destination.RegionLocX.ToString());
+            args["destination_y"] = OSD.FromString(destination.RegionLocY.ToString());
+            args["destination_name"] = OSD.FromString(destination.RegionName);
+            args["destination_uuid"] = OSD.FromString(destination.RegionID.ToString());
+
+            string strBuffer = "";
+            byte[] buffer = new byte[1];
+            try
+            {
+                strBuffer = OSDParser.SerializeJsonString(args);
+                Encoding str = Util.UTF8;
+                buffer = str.GetBytes(strBuffer);
+
+            }
+            catch (Exception e)
+            {
+                m_log.WarnFormat("[REMOTE SIMULATION CONNECTOR]: Exception thrown on serialization of ChildUpdate: {0}", e.Message);
+                // ignore. buffer will be empty, caller should check.
+            }
+
+            Stream os = null;
+            try
+            { // send the Post
+                ChildUpdateRequest.ContentLength = buffer.Length;   //Count bytes to send
+                os = ChildUpdateRequest.GetRequestStream();
+                os.Write(buffer, 0, strBuffer.Length);         //Send it
+                //m_log.InfoFormat("[REMOTE SIMULATION CONNECTOR]: Posted AgentUpdate request to remote sim {0}", uri);
+            }
+            catch (WebException ex)
+            //catch
+            {
+                m_log.InfoFormat("[REMOTE SIMULATION CONNECTOR]: Bad send on AgentUpdate {0}", ex.Message);
+
+                return false;
+            }
+            finally
+            {
+                if (os != null)
+                    os.Close();
+            }
+
+            // Let's wait for the response
+            //m_log.Info("[REMOTE SIMULATION CONNECTOR]: Waiting for a reply after ChildAgentUpdate");
+
+            WebResponse webResponse = null;
+            StreamReader sr = null;
+            try
+            {
+                webResponse = ChildUpdateRequest.GetResponse();
+                if (webResponse == null)
+                {
+                    m_log.Info("[REMOTE SIMULATION CONNECTOR]: Null reply on ChilAgentUpdate post");
+                }
+
+                sr = new StreamReader(webResponse.GetResponseStream());
+                //reply = sr.ReadToEnd().Trim();
+                sr.ReadToEnd().Trim();
+                sr.Close();
+                //m_log.InfoFormat("[REMOTE SIMULATION CONNECTOR]: ChilAgentUpdate reply was {0} ", reply);
+
+            }
+            catch (WebException ex)
+            {
+                m_log.InfoFormat("[REMOTE SIMULATION CONNECTOR]: exception on reply of ChilAgentUpdate {0}", ex.Message);
+                // ignore, really
+            }
+            finally
+            {
+                if (sr != null)
+                    sr.Close();
+            }
+
+            return true;
+        }
+
+        public bool RetrieveAgent(GridRegion destination, UUID id, out IAgentData agent)
+        {
+            agent = null;
+            // Eventually, we want to use a caps url instead of the agentID
+            string uri = "http://" + destination.ExternalEndPoint.Address + ":" + destination.HttpPort + AgentPath() + id + "/" + destination.RegionID.ToString() + "/";
+            //Console.WriteLine("   >>> DoRetrieveRootAgentCall <<< " + uri);
+
+            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(uri);
+            request.Method = "GET";
+            request.Timeout = 10000;
+            //request.Headers.Add("authorization", ""); // coming soon
+
+            HttpWebResponse webResponse = null;
+            string reply = string.Empty;
+            StreamReader sr = null;
+            try
+            {
+                webResponse = (HttpWebResponse)request.GetResponse();
+                if (webResponse == null)
+                {
+                    m_log.Info("[REMOTE SIMULATION CONNECTOR]: Null reply on agent get ");
+                }
+
+                sr = new StreamReader(webResponse.GetResponseStream());
+                reply = sr.ReadToEnd().Trim();
+
+                //Console.WriteLine("[REMOTE SIMULATION CONNECTOR]: ChilAgentUpdate reply was " + reply);
+
+            }
+            catch (WebException ex)
+            {
+                m_log.InfoFormat("[REMOTE SIMULATION CONNECTOR]: exception on reply of agent get {0}", ex.Message);
+                // ignore, really
+                return false;
+            }
+            finally
+            {
+                if (sr != null)
+                    sr.Close();
+            }
+
+            if (webResponse.StatusCode == HttpStatusCode.OK)
+            {
+                // we know it's jason
+                OSDMap args = Util.GetOSDMap(reply);
+                if (args == null)
+                {
+                    //Console.WriteLine("[REMOTE SIMULATION CONNECTOR]: Error getting OSDMap from reply");
+                    return false;
+                }
+
+                agent = new CompleteAgentData();
+                agent.Unpack(args);
+                return true;
+            }
+
+            //Console.WriteLine("[REMOTE SIMULATION CONNECTOR]: DoRetrieveRootAgentCall returned status " + webResponse.StatusCode);
+            return false;
+        }
+
+        public bool ReleaseAgent(UUID origin, UUID id, string uri)
+        {
+            WebRequest request = WebRequest.Create(uri);
+            request.Method = "DELETE";
+            request.Timeout = 10000;
+
+            StreamReader sr = null;
+            try
+            {
+                WebResponse webResponse = request.GetResponse();
+                if (webResponse == null)
+                {
+                    m_log.Info("[REMOTE SIMULATION CONNECTOR]: Null reply on ReleaseAgent");
+                }
+
+                sr = new StreamReader(webResponse.GetResponseStream());
+                //reply = sr.ReadToEnd().Trim();
+                sr.ReadToEnd().Trim();
+                sr.Close();
+                //m_log.InfoFormat("[REMOTE SIMULATION CONNECTOR]: ChilAgentUpdate reply was {0} ", reply);
+
+            }
+            catch (WebException ex)
+            {
+                m_log.InfoFormat("[REMOTE SIMULATION CONNECTOR]: exception on reply of ReleaseAgent {0}", ex.Message);
+                return false;
+            }
+            finally
+            {
+                if (sr != null)
+                    sr.Close();
+            }
+
+            return true;
+        }
+
+        private bool CloseAgent(GridRegion destination, UUID id, bool ChildOnly)
+        {
+            string uri = string.Empty;
+            try
+            {
+                uri = "http://" + destination.ExternalEndPoint.Address + ":" + destination.HttpPort + AgentPath() + id + "/" + destination.RegionID.ToString() + "/";
+            }
+            catch (Exception e)
+            {
+                m_log.Debug("[REMOTE SIMULATION CONNECTOR]: Unable to resolve external endpoint on agent close. Reason: " + e.Message);
+                return false;
+            }
+
+            //Console.WriteLine("   >>> DoCloseAgentCall <<< " + uri);
+
+            WebRequest request = WebRequest.Create(uri);
+            request.Method = "DELETE";
+            if (ChildOnly)
+                request.Method += "CHILD";
+            request.Timeout = 10000;
+
+            StreamReader sr = null;
+            try
+            {
+                WebResponse webResponse = request.GetResponse();
+                if (webResponse == null)
+                {
+                    m_log.Info("[REMOTE SIMULATION CONNECTOR]: Null reply on agent delete ");
+                }
+
+                sr = new StreamReader(webResponse.GetResponseStream());
+                //reply = sr.ReadToEnd().Trim();
+                sr.ReadToEnd().Trim();
+                sr.Close();
+                //m_log.InfoFormat("[REMOTE SIMULATION CONNECTOR]: ChilAgentUpdate reply was {0} ", reply);
+
+            }
+            catch (WebException ex)
+            {
+                m_log.InfoFormat("[REMOTE SIMULATION CONNECTOR]: exception on reply of agent delete {0}", ex.Message);
+                return false;
+            }
+            finally
+            {
+                if (sr != null)
+                    sr.Close();
+            }
+
+            return true;
+        }
+
+        public bool CloseChildAgent(GridRegion destination, UUID id)
+        {
+            return CloseAgent(destination, id, true);
+        }
+
+        public bool CloseAgent(GridRegion destination, UUID id)
+        {
+            return CloseAgent(destination, id, false);
+        }
+
+        #endregion Agents
+
+        #region Objects
+
+        protected virtual string ObjectPath()
+        {
+            return "/object/";
+        }
+
+        public bool CreateObject(GridRegion destination, ISceneObject sog, bool isLocalCall)
+        {
+            string uri
+                = "http://" + destination.ExternalEndPoint.Address + ":" + destination.HttpPort + ObjectPath() + sog.UUID + "/";
+            //m_log.Debug("   >>> DoCreateObjectCall <<< " + uri);
+
+            WebRequest ObjectCreateRequest = WebRequest.Create(uri);
+            ObjectCreateRequest.Method = "POST";
+            ObjectCreateRequest.ContentType = "application/json";
+            ObjectCreateRequest.Timeout = 10000;
+
+            OSDMap args = new OSDMap(2);
+            args["sog"] = OSD.FromString(sog.ToXml2());
+            args["extra"] = OSD.FromString(sog.ExtraToXmlString());
+            string state = sog.GetStateSnapshot();
+            if (state.Length > 0)
+                args["state"] = OSD.FromString(state);
+            // Add the input general arguments
+            args["destination_x"] = OSD.FromString(destination.RegionLocX.ToString());
+            args["destination_y"] = OSD.FromString(destination.RegionLocY.ToString());
+            args["destination_name"] = OSD.FromString(destination.RegionName);
+            args["destination_uuid"] = OSD.FromString(destination.RegionID.ToString());
+
+            string strBuffer = "";
+            byte[] buffer = new byte[1];
+            try
+            {
+                strBuffer = OSDParser.SerializeJsonString(args);
+                Encoding str = Util.UTF8;
+                buffer = str.GetBytes(strBuffer);
+
+            }
+            catch (Exception e)
+            {
+                m_log.WarnFormat("[REMOTE SIMULATION CONNECTOR]: Exception thrown on serialization of CreateObject: {0}", e.Message);
+                // ignore. buffer will be empty, caller should check.
+            }
+
+            Stream os = null;
+            try
+            { // send the Post
+                ObjectCreateRequest.ContentLength = buffer.Length;   //Count bytes to send
+                os = ObjectCreateRequest.GetRequestStream();
+                os.Write(buffer, 0, strBuffer.Length);         //Send it
+                m_log.InfoFormat("[REMOTE SIMULATION CONNECTOR]: Posted CreateObject request to remote sim {0}", uri);
+            }
+            catch (WebException ex)
+            {
+                m_log.InfoFormat("[REMOTE SIMULATION CONNECTOR]: Bad send on CreateObject {0}", ex.Message);
+                return false;
+            }
+            finally
+            {
+                if (os != null)
+                    os.Close();
+            }
+
+            // Let's wait for the response
+            //m_log.Info("[REMOTE SIMULATION CONNECTOR]: Waiting for a reply after DoCreateChildAgentCall");
+
+            StreamReader sr = null;
+            try
+            {
+                WebResponse webResponse = ObjectCreateRequest.GetResponse();
+                if (webResponse == null)
+                {
+                    m_log.Info("[REMOTE SIMULATION CONNECTOR]: Null reply on CreateObject post");
+                    return false;
+                }
+
+                sr = new StreamReader(webResponse.GetResponseStream());
+                //reply = sr.ReadToEnd().Trim();
+                sr.ReadToEnd().Trim();
+                //m_log.InfoFormat("[REMOTE SIMULATION CONNECTOR]: DoCreateChildAgentCall reply was {0} ", reply);
+
+            }
+            catch (WebException ex)
+            {
+                m_log.InfoFormat("[REMOTE SIMULATION CONNECTOR]: exception on reply of CreateObject {0}", ex.Message);
+                return false;
+            }
+            finally
+            {
+                if (sr != null)
+                    sr.Close();
+            }
+
+            return true;
+        }
+
+        public bool CreateObject(GridRegion destination, UUID userID, UUID itemID)
+        {
+            // TODO, not that urgent
+            return false;
+        }
+
+        #endregion Objects
+    }
+}