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authordiva2009-04-27 15:23:18 +0000
committerdiva2009-04-27 15:23:18 +0000
commit81bc38708ade851f2a0b8c44cd365c70dda6f6c6 (patch)
tree051e1a445f6a7254c4b98dab8030c0578f53ef91 /OpenSim/Framework/Servers
parentThank you, Orion_Shamroy, for a patch to expand notecard reading (diff)
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Thanks Tommil for a patch that adds a caching option to GetAssetStreamHandler. It is used in the RegionAssetService.
Diffstat (limited to 'OpenSim/Framework/Servers')
-rw-r--r--OpenSim/Framework/Servers/CachedGetAssetStreamHandler.cs217
1 files changed, 217 insertions, 0 deletions
diff --git a/OpenSim/Framework/Servers/CachedGetAssetStreamHandler.cs b/OpenSim/Framework/Servers/CachedGetAssetStreamHandler.cs
new file mode 100644
index 0000000..7a9030c
--- /dev/null
+++ b/OpenSim/Framework/Servers/CachedGetAssetStreamHandler.cs
@@ -0,0 +1,217 @@
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.Reflection;
31using System.Text;
32using System.Text.RegularExpressions;
33using System.Xml;
34using System.Xml.Serialization;
35using log4net;
36using OpenMetaverse;
37using OpenSim.Data;
38using OpenSim.Framework;
39using OpenSim.Framework.Servers;
40using OpenSim.Framework.Statistics;
41using System.Net;
42
43namespace OpenSim.Framework.Servers
44{
45 public class CachedGetAssetStreamHandler : BaseStreamHandler
46 {
47 private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
48
49 // private OpenAsset_Main m_assetManager;
50 private IAssetCache m_assetProvider;
51
52 /// <summary>
53 /// Constructor.
54 /// </summary>
55 /// <param name="assetManager"></param>
56 /// <param name="assetProvider"></param>
57 public CachedGetAssetStreamHandler(IAssetCache assetProvider)
58 : base("GET", "/assets")
59 {
60 m_log.Info("[REST]: In Get Request");
61 // m_assetManager = assetManager;
62 m_assetProvider = assetProvider;
63 }
64
65 public override byte[] Handle(string path, Stream request,
66 OSHttpRequest httpRequest, OSHttpResponse httpResponse)
67 {
68 string param = GetParam(path);
69 byte[] result = new byte[] { };
70
71 string[] p = param.Split(new char[] { '/', '?', '&' }, StringSplitOptions.RemoveEmptyEntries);
72
73 if (p.Length > 0)
74 {
75 UUID assetID = UUID.Zero;
76
77 if (!UUID.TryParse(p[0], out assetID))
78 {
79 m_log.InfoFormat(
80 "[REST]: GET:/asset ignoring request with malformed UUID {0}", p[0]);
81 return result;
82 }
83
84 if (StatsManager.AssetStats != null)
85 StatsManager.AssetStats.AddRequest();
86
87 AssetBase asset = m_assetProvider.GetAsset(assetID,true); // TODO IsTexture should be deduced from loaded asset. It is not used in this case.
88
89 if (asset != null)
90 {
91// if (asset.ContainsReferences)
92// {
93// asset.Data = ProcessOutgoingAssetData(asset.Data);
94// }
95 if (p.Length > 1 && p[1] == "data")
96 {
97 httpResponse.StatusCode = (int)HttpStatusCode.OK;
98 httpResponse.ContentType = SLAssetTypeToContentType(asset.Type);
99 result = asset.Data;
100 }
101 else
102 {
103 XmlSerializer xs = new XmlSerializer(typeof(AssetBase));
104 MemoryStream ms = new MemoryStream();
105 XmlTextWriter xw = new XmlTextWriter(ms, Encoding.UTF8);
106 xw.Formatting = Formatting.Indented;
107 xs.Serialize(xw, asset);
108 xw.Flush();
109
110 ms.Seek(0, SeekOrigin.Begin);
111 //StreamReader sr = new StreamReader(ms);
112
113 result = ms.GetBuffer();
114
115 Array.Resize<byte>(ref result, (int)ms.Length);
116 }
117 }
118 else
119 {
120 if (StatsManager.AssetStats != null)
121 StatsManager.AssetStats.AddNotFoundRequest();
122
123 m_log.InfoFormat("[REST]: GET:/asset failed to find {0}", assetID);
124 }
125 }
126
127 return result;
128 }
129
130 // private byte[] ProcessOutgoingAssetData(byte[] assetData)
131 // {
132 // string data = Encoding.ASCII.GetString(assetData);
133
134 // data = ProcessAssetDataString(data);
135
136 // return Encoding.ASCII.GetBytes(data);
137 // }
138
139 public string ProcessAssetDataString(string data)
140 {
141 Regex regex = new Regex("(creator_id|owner_id)\\s+(\\S+)");
142
143 // IUserService userService = null;
144
145 data = regex.Replace(data, delegate(Match m)
146 {
147 string result = String.Empty;
148
149// string key = m.Groups[1].Captures[0].Value;
150//
151// string value = m.Groups[2].Captures[0].Value;
152//
153// Guid userUri;
154//
155// switch (key)
156// {
157// case "creator_id":
158// userUri = new Guid(value);
159// // result = "creator_url " + userService(userService, userUri);
160// break;
161//
162// case "owner_id":
163// userUri = new Guid(value);
164// // result = "owner_url " + ResolveUserUri(userService, userUri);
165// break;
166// }
167
168 return result;
169 });
170
171 return data;
172 }
173
174 private string SLAssetTypeToContentType(int assetType)
175 {
176 switch (assetType)
177 {
178 case 0:
179 return "image/jp2";
180 case 1:
181 return "application/ogg";
182 case 2:
183 return "application/x-metaverse-callingcard";
184 case 3:
185 return "application/x-metaverse-landmark";
186 case 5:
187 return "application/x-metaverse-clothing";
188 case 6:
189 return "application/x-metaverse-primitive";
190 case 7:
191 return "application/x-metaverse-notecard";
192 case 8:
193 return "application/x-metaverse-folder";
194 case 10:
195 return "application/x-metaverse-lsl";
196 case 11:
197 return "application/x-metaverse-lso";
198 case 12:
199 return "image/tga";
200 case 13:
201 return "application/x-metaverse-bodypart";
202 case 17:
203 return "audio/x-wav";
204 case 19:
205 return "image/jpeg";
206 case 20:
207 return "application/x-metaverse-animation";
208 case 21:
209 return "application/x-metaverse-gesture";
210 case 22:
211 return "application/x-metaverse-simstate";
212 default:
213 return "application/octet-stream";
214 }
215 }
216 }
217}
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