opensim – Blame information for rev 1

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1 eva 1 /*
2 * Copyright (c) Contributors, http://opensimulator.org/
3 * See CONTRIBUTORS.TXT for a full list of copyright holders.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of the OpenSimulator Project nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27  
28 using System;
29 using System.IO;
30 using System.Net;
31 using System.Text;
32 using System.Xml;
33 using System.Xml.Serialization;
34  
35 namespace OpenSim.Framework.Servers.HttpServer
36 {
37 public delegate void ReturnResponse<T>(T reponse);
38  
39 /// <summary>
40 /// Makes an asynchronous REST request with a callback to invoke with the response.
41 /// </summary>
42 public class RestObjectPosterResponse<TResponse>
43 {
44 // private static readonly log4net.ILog m_log
45 // = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
46  
47 public ReturnResponse<TResponse> ResponseCallback;
48  
49 public void BeginPostObject<TRequest>(string requestUrl, TRequest obj)
50 {
51 BeginPostObject("POST", requestUrl, obj);
52 }
53  
54 public void BeginPostObject<TRequest>(string verb, string requestUrl, TRequest obj)
55 {
56 Type type = typeof (TRequest);
57  
58 WebRequest request = WebRequest.Create(requestUrl);
59 request.Method = verb;
60 request.ContentType = "text/xml";
61 request.Timeout = 10000;
62  
63 MemoryStream buffer = new MemoryStream();
64  
65 XmlWriterSettings settings = new XmlWriterSettings();
66 settings.Encoding = Encoding.UTF8;
67  
68 using (XmlWriter writer = XmlWriter.Create(buffer, settings))
69 {
70 XmlSerializer serializer = new XmlSerializer(type);
71 serializer.Serialize(writer, obj);
72 writer.Flush();
73 }
74  
75 int length = (int) buffer.Length;
76 request.ContentLength = length;
77  
78 Stream requestStream = request.GetRequestStream();
79 requestStream.Write(buffer.ToArray(), 0, length);
80 requestStream.Close();
81 // IAsyncResult result = request.BeginGetResponse(AsyncCallback, request);
82 request.BeginGetResponse(AsyncCallback, request);
83 }
84  
85 private void AsyncCallback(IAsyncResult result)
86 {
87 WebRequest request = (WebRequest) result.AsyncState;
88 using (WebResponse resp = request.EndGetResponse(result))
89 {
90 TResponse deserial;
91 XmlSerializer deserializer = new XmlSerializer(typeof (TResponse));
92 Stream stream = resp.GetResponseStream();
93  
94 // This is currently a bad debug stanza since it gobbles us the response...
95 // StreamReader reader = new StreamReader(stream);
96 // m_log.DebugFormat("[REST OBJECT POSTER RESPONSE]: Received {0}", reader.ReadToEnd());
97  
98 deserial = (TResponse) deserializer.Deserialize(stream);
99  
100 if (deserial != null && ResponseCallback != null)
101 {
102 ResponseCallback(deserial);
103 }
104 }
105 }
106 }
107 }