1 files changed, 190 insertions, 0 deletions

diff --git a/OpenSim/Framework/Servers/HttpServer/JsonRpcRequestManager.cs b/OpenSim/Framework/Servers/HttpServer/JsonRpcRequestManager.cs
new file mode 100644
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+++ b/OpenSim/Framework/Servers/HttpServer/JsonRpcRequestManager.cs
@@ -0,0 +1,190 @@
+/*
+ * 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.Net;
+using System.Net.Sockets;
+using System.Reflection;
+using System.Text;
+using System.IO;
+using OpenMetaverse.StructuredData;
+using OpenMetaverse;
+using log4net;
+
+namespace OpenSim.Framework.Servers.HttpServer
+{
+    /// <summary>
+    /// Json rpc request manager.
+    /// </summary>
+    public class JsonRpcRequestManager
+    {
+        static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+        
+        public JsonRpcRequestManager()
+        {
+        }
+
+        /// <summary>
+        /// Sends json-rpc request with a serializable type.
+        /// </summary>
+        /// <returns>
+        /// OSD Map.
+        /// </returns>
+        /// <param name='parameters'>
+        /// Serializable type .
+        /// </param>
+        /// <param name='method'>
+        /// Json-rpc method to call.
+        /// </param>
+        /// <param name='uri'>
+        /// URI of json-rpc service.
+        /// </param>
+        /// <param name='jsonId'>
+        /// Id for our call.
+        /// </param>
+        public bool JsonRpcRequest(ref object parameters, string method, string uri, string jsonId)
+        {
+            if (jsonId == null)
+                throw new ArgumentNullException("jsonId");
+            if (uri == null)
+                throw new ArgumentNullException("uri");
+            if (method == null)
+                throw new ArgumentNullException("method");
+            if (parameters == null)
+                throw new ArgumentNullException("parameters");
+
+            OSDMap request = new OSDMap();
+            request.Add("jsonrpc", OSD.FromString("2.0"));
+            request.Add("id", OSD.FromString(jsonId));
+            request.Add("method", OSD.FromString(method));
+            request.Add("params", OSD.SerializeMembers(parameters));
+
+            OSDMap response;
+            try
+            {
+                response = WebUtil.PostToService(uri, request, 10000, true);
+            }
+            catch (Exception e)
+            {
+                m_log.Debug(string.Format("JsonRpc request '{0}' to {1} failed", method, uri), e);
+                return false;
+            }
+
+            if (!response.ContainsKey("_Result"))
+            {
+                m_log.DebugFormat("JsonRpc request '{0}' to {1} returned an invalid response: {2}",
+                    method, uri, OSDParser.SerializeJsonString(response));
+                return false;
+            }
+            response = (OSDMap)response["_Result"];
+
+            OSD data;
+
+            if (response.ContainsKey("error"))
+            {
+                data = response["error"];
+                m_log.DebugFormat("JsonRpc request '{0}' to {1} returned an error: {2}",
+                    method, uri, OSDParser.SerializeJsonString(data));
+                return false;
+            }
+
+            if (!response.ContainsKey("result"))
+            {
+                m_log.DebugFormat("JsonRpc request '{0}' to {1} returned an invalid response: {2}",
+                    method, uri, OSDParser.SerializeJsonString(response));
+                return false;
+            }
+
+            data = response["result"];
+            OSD.DeserializeMembers(ref parameters, (OSDMap)data);
+
+            return true;
+        }
+
+        /// <summary>
+        /// Sends json-rpc request with OSD parameter.
+        /// </summary>
+        /// <returns>
+        /// The rpc request.
+        /// </returns>
+        /// <param name='data'>
+        /// data - incoming as parameters, outgoing as result/error
+        /// </param>
+        /// <param name='method'>
+        /// Json-rpc method to call.
+        /// </param>
+        /// <param name='uri'>
+        /// URI of json-rpc service.
+        /// </param>
+        /// <param name='jsonId'>
+        /// If set to <c>true</c> json identifier.
+        /// </param>
+        public bool JsonRpcRequest(ref OSD data, string method, string uri, string jsonId)
+        {
+            if (string.IsNullOrEmpty(jsonId))
+                jsonId = UUID.Random().ToString();
+
+            OSDMap request = new OSDMap();
+            request.Add("jsonrpc", OSD.FromString("2.0"));
+            request.Add("id", OSD.FromString(jsonId));
+            request.Add("method", OSD.FromString(method));
+            request.Add("params", data);
+
+            OSDMap response;
+            try
+            {
+                response = WebUtil.PostToService(uri, request, 10000, true);
+            }
+            catch (Exception e)
+            {
+                m_log.Debug(string.Format("JsonRpc request '{0}' to {1} failed", method, uri), e);
+                return false;
+            }
+
+            if (!response.ContainsKey("_Result"))
+            {
+                m_log.DebugFormat("JsonRpc request '{0}' to {1} returned an invalid response: {2}",
+                    method, uri, OSDParser.SerializeJsonString(response));
+                return false;
+            }
+            response = (OSDMap)response["_Result"];
+
+            if (response.ContainsKey("error"))
+            {
+                data = response["error"];
+                m_log.DebugFormat("JsonRpc request '{0}' to {1} returned an error: {2}",
+                    method, uri, OSDParser.SerializeJsonString(data));
+                return false;
+            }
+
+            data = response;
+
+            return true;
+        }
+    
+    }
+}