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Diffstat (limited to 'OpenSim/Framework/Servers/HttpServer/AsynchronousRestObjectRequester.cs')
-rw-r--r--OpenSim/Framework/Servers/HttpServer/AsynchronousRestObjectRequester.cs192
1 files changed, 0 insertions, 192 deletions
diff --git a/OpenSim/Framework/Servers/HttpServer/AsynchronousRestObjectRequester.cs b/OpenSim/Framework/Servers/HttpServer/AsynchronousRestObjectRequester.cs
deleted file mode 100644
index 03c12dd..0000000
--- a/OpenSim/Framework/Servers/HttpServer/AsynchronousRestObjectRequester.cs
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@@ -1,192 +0,0 @@
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
28using System;
29using System.IO;
30using System.Net;
31using System.Reflection;
32using System.Text;
33using System.Xml;
34using System.Xml.Serialization;
35using log4net;
36
37namespace OpenSim.Framework.Servers.HttpServer
38{
39 public class AsynchronousRestObjectRequester
40 {
41 private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
42
43 /// <summary>
44 /// Perform an asynchronous REST request.
45 /// </summary>
46 /// <param name="verb">GET or POST</param>
47 /// <param name="requestUrl"></param>
48 /// <param name="obj"></param>
49 /// <param name="action"></param>
50 /// <returns></returns>
51 ///
52 /// <exception cref="System.Net.WebException">Thrown if we encounter a
53 /// network issue while posting the request. You'll want to make
54 /// sure you deal with this as they're not uncommon</exception>
55 //
56 public static void MakeRequest<TRequest, TResponse>(string verb,
57 string requestUrl, TRequest obj, Action<TResponse> action)
58 {
59// m_log.DebugFormat("[ASYNC REQUEST]: Starting {0} {1}", verb, requestUrl);
60
61 Type type = typeof (TRequest);
62
63 WebRequest request = WebRequest.Create(requestUrl);
64 WebResponse response = null;
65 TResponse deserial = default(TResponse);
66 XmlSerializer deserializer = new XmlSerializer(typeof (TResponse));
67
68 request.Method = verb;
69
70 if (verb == "POST")
71 {
72 request.ContentType = "text/xml";
73
74 MemoryStream buffer = new MemoryStream();
75
76 XmlWriterSettings settings = new XmlWriterSettings();
77 settings.Encoding = Encoding.UTF8;
78
79 using (XmlWriter writer = XmlWriter.Create(buffer, settings))
80 {
81 XmlSerializer serializer = new XmlSerializer(type);
82 serializer.Serialize(writer, obj);
83 writer.Flush();
84 }
85
86 int length = (int) buffer.Length;
87 request.ContentLength = length;
88
89 request.BeginGetRequestStream(delegate(IAsyncResult res)
90 {
91 Stream requestStream = request.EndGetRequestStream(res);
92
93 requestStream.Write(buffer.ToArray(), 0, length);
94 requestStream.Close();
95
96 request.BeginGetResponse(delegate(IAsyncResult ar)
97 {
98 response = request.EndGetResponse(ar);
99 Stream respStream = null;
100 try
101 {
102 respStream = response.GetResponseStream();
103 deserial = (TResponse)deserializer.Deserialize(
104 respStream);
105 }
106 catch (System.InvalidOperationException)
107 {
108 }
109 finally
110 {
111 // Let's not close this
112 //buffer.Close();
113 respStream.Close();
114 response.Close();
115 }
116
117 action(deserial);
118
119 }, null);
120 }, null);
121
122
123 return;
124 }
125
126 request.BeginGetResponse(delegate(IAsyncResult res2)
127 {
128 try
129 {
130 // If the server returns a 404, this appears to trigger a System.Net.WebException even though that isn't
131 // documented in MSDN
132 response = request.EndGetResponse(res2);
133
134 Stream respStream = null;
135 try
136 {
137 respStream = response.GetResponseStream();
138 deserial = (TResponse)deserializer.Deserialize(respStream);
139 }
140 catch (System.InvalidOperationException)
141 {
142 }
143 finally
144 {
145 respStream.Close();
146 response.Close();
147 }
148 }
149 catch (WebException e)
150 {
151 if (e.Status == WebExceptionStatus.ProtocolError)
152 {
153 if (e.Response is HttpWebResponse)
154 {
155 HttpWebResponse httpResponse = (HttpWebResponse)e.Response;
156
157 if (httpResponse.StatusCode != HttpStatusCode.NotFound)
158 {
159 // We don't appear to be handling any other status codes, so log these feailures to that
160 // people don't spend unnecessary hours hunting phantom bugs.
161 m_log.DebugFormat(
162 "[ASYNC REQUEST]: Request {0} {1} failed with unexpected status code {2}",
163 verb, requestUrl, httpResponse.StatusCode);
164 }
165 }
166 }
167 else
168 {
169 m_log.ErrorFormat("[ASYNC REQUEST]: Request {0} {1} failed with status {2} and message {3}", verb, requestUrl, e.Status, e.Message);
170 }
171 }
172 catch (Exception e)
173 {
174 m_log.ErrorFormat("[ASYNC REQUEST]: Request {0} {1} failed with exception {2}", verb, requestUrl, e);
175 }
176
177 // m_log.DebugFormat("[ASYNC REQUEST]: Received {0}", deserial.ToString());
178
179 try
180 {
181 action(deserial);
182 }
183 catch (Exception e)
184 {
185 m_log.ErrorFormat(
186 "[ASYNC REQUEST]: Request {0} {1} callback failed with exception {2}", verb, requestUrl, e);
187 }
188
189 }, null);
190 }
191 }
192}
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