Donating Diva OfflineIM as an addon in a single dll, OpenSim.Addons.OpenSim.dll

OpenSim/Addons/OfflineIM/Remote/OfflineIMServiceRemoteConnector.cs

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+/*
+ * 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.Linq;
+using System.Reflection;
+using System.Text;
+
+using OpenSim.Framework;
+using OpenSim.Server.Base;
+using OpenSim.Services.Interfaces;
+
+using OpenMetaverse;
+using log4net;
+using Nini.Config;
+
+namespace OpenSim.OfflineIM
+{
+    public class OfflineIMServiceRemoteConnector : IOfflineIMService
+    {
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+
+        private string m_ServerURI = string.Empty;
+        private object m_Lock = new object();
+
+        public OfflineIMServiceRemoteConnector(string url)
+        {
+            m_ServerURI = url;
+            m_log.DebugFormat("[OfflineIM.V2.RemoteConnector]: Offline IM server at {0}", m_ServerURI);
+        }
+
+        public OfflineIMServiceRemoteConnector(IConfigSource config)
+        {
+            IConfig cnf = config.Configs["Messaging"];
+            if (cnf == null)
+            {
+                m_log.WarnFormat("[OfflineIM.V2.RemoteConnector]: Missing Messaging configuration");
+                return;
+            }
+
+            m_ServerURI = cnf.GetString("OfflineMessageURL", string.Empty);
+
+        }
+
+        #region IOfflineIMService
+        public List<GridInstantMessage> GetMessages(UUID principalID)
+        {
+            List<GridInstantMessage> ims = new List<GridInstantMessage>();
+
+            Dictionary<string, object> sendData = new Dictionary<string, object>();
+            sendData["PrincipalID"] = principalID;
+            Dictionary<string, object> ret = MakeRequest("GET", sendData);
+
+            if (ret == null)
+                return ims;
+
+            if (!ret.ContainsKey("RESULT"))
+                return ims;
+
+            if (ret["RESULT"].ToString() == "NULL")
+                return ims;
+
+            foreach (object v in ((Dictionary<string, object>)ret["RESULT"]).Values)
+            {
+                GridInstantMessage m = OfflineIMDataUtils.GridInstantMessage((Dictionary<string, object>)v);
+                ims.Add(m);
+            }
+
+            return ims;
+        }
+
+        public bool StoreMessage(GridInstantMessage im, out string reason)
+        {
+            reason = string.Empty;
+            Dictionary<string, object> sendData = OfflineIMDataUtils.GridInstantMessage(im);
+
+            Dictionary<string, object> ret = MakeRequest("STORE", sendData);
+
+            if (ret == null)
+            {
+                reason = "Bad response from server";
+                return false;
+            }
+
+            string result = ret["RESULT"].ToString();
+            if (result == "NULL" || result.ToLower() == "false")
+            {
+                reason = ret["REASON"].ToString();
+                return false;
+            }
+
+            return true;
+        }
+
+        #endregion
+
+
+        #region Make Request
+
+        private Dictionary<string, object> MakeRequest(string method, Dictionary<string, object> sendData)
+        {
+            sendData["METHOD"] = method;
+
+            string reply = string.Empty;
+            lock (m_Lock)
+                reply = SynchronousRestFormsRequester.MakeRequest("POST",
+                         m_ServerURI + "/offlineim",
+                         ServerUtils.BuildQueryString(sendData));
+
+            Dictionary<string, object> replyData = ServerUtils.ParseXmlResponse(
+                    reply);
+
+            return replyData;
+        }
+        #endregion
+
+    }
+}