109 lines
4.4 KiB
C#
109 lines
4.4 KiB
C#
/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSimulator Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.IO;
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using System.Net;
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using System.Text;
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using System.Xml;
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using System.Xml.Serialization;
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namespace OpenSim.Framework.Servers.HttpServer
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{
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public delegate void ReturnResponse<T>(T reponse);
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/// <summary>
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/// Makes an asynchronous REST request with a callback to invoke with the response.
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/// </summary>
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public class RestObjectPosterResponse<TResponse>
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{
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// private static readonly log4net.ILog m_log
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// = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
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public ReturnResponse<TResponse> ResponseCallback;
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public void BeginPostObject<TRequest>(string requestUrl, TRequest obj)
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{
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BeginPostObject("POST", requestUrl, obj);
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}
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public void BeginPostObject<TRequest>(string verb, string requestUrl, TRequest obj)
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{
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Type type = typeof (TRequest);
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WebRequest request = WebRequest.Create(requestUrl);
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request.Method = verb;
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request.ContentType = "text/xml";
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request.Timeout = 10000;
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using (MemoryStream buffer = new MemoryStream())
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{
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XmlWriterSettings settings = new XmlWriterSettings();
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settings.Encoding = Encoding.UTF8;
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using (XmlWriter writer = XmlWriter.Create(buffer, settings))
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{
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XmlSerializer serializer = new XmlSerializer(type);
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serializer.Serialize(writer, obj);
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writer.Flush();
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}
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int length = (int)buffer.Length;
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request.ContentLength = length;
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using (Stream requestStream = request.GetRequestStream())
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requestStream.Write(buffer.ToArray(), 0, length);
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}
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// IAsyncResult result = request.BeginGetResponse(AsyncCallback, request);
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request.BeginGetResponse(AsyncCallback, request);
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}
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private void AsyncCallback(IAsyncResult result)
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{
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WebRequest request = (WebRequest) result.AsyncState;
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using (WebResponse resp = request.EndGetResponse(result))
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{
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TResponse deserial;
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XmlSerializer deserializer = new XmlSerializer(typeof (TResponse));
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Stream stream = resp.GetResponseStream();
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// This is currently a bad debug stanza since it gobbles us the response...
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// StreamReader reader = new StreamReader(stream);
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// m_log.DebugFormat("[REST OBJECT POSTER RESPONSE]: Received {0}", reader.ReadToEnd());
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deserial = (TResponse) deserializer.Deserialize(stream);
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if (deserial != null && ResponseCallback != null)
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{
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ResponseCallback(deserial);
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}
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}
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}
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}
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}
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