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author | Melanie Thielker | 2009-05-14 06:18:18 +0000 |
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committer | Melanie Thielker | 2009-05-14 06:18:18 +0000 |
commit | d843b897b20601f0ba32a6f88da31cf5ea88c2ba (patch) | |
tree | b311ceed8ede25cd68edc6522e17e72343137fe1 /OpenSim/Servers/Connectors/Asset | |
parent | Small fix uncommenting something that got commented too much. (diff) | |
download | opensim-SC_OLD-d843b897b20601f0ba32a6f88da31cf5ea88c2ba.zip opensim-SC_OLD-d843b897b20601f0ba32a6f88da31cf5ea88c2ba.tar.gz opensim-SC_OLD-d843b897b20601f0ba32a6f88da31cf5ea88c2ba.tar.bz2 opensim-SC_OLD-d843b897b20601f0ba32a6f88da31cf5ea88c2ba.tar.xz |
Move the connector for the new asset server to a connectors project. Inherit
the region module version from this. This enables inter-server connections
to reuse connetor code from region modules.
Diffstat (limited to 'OpenSim/Servers/Connectors/Asset')
-rw-r--r-- | OpenSim/Servers/Connectors/Asset/AssetServiceConnector.cs | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/OpenSim/Servers/Connectors/Asset/AssetServiceConnector.cs b/OpenSim/Servers/Connectors/Asset/AssetServiceConnector.cs new file mode 100644 index 0000000..efd5eea --- /dev/null +++ b/OpenSim/Servers/Connectors/Asset/AssetServiceConnector.cs | |||
@@ -0,0 +1,252 @@ | |||
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 OpenSim 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 log4net; | ||
29 | using System; | ||
30 | using System.Collections.Generic; | ||
31 | using System.IO; | ||
32 | using System.Reflection; | ||
33 | using Nini.Config; | ||
34 | using OpenSim.Framework; | ||
35 | using OpenSim.Framework.Communications; | ||
36 | using OpenSim.Framework.Servers.HttpServer; | ||
37 | using OpenSim.Services.Interfaces; | ||
38 | |||
39 | namespace OpenSim.Servers.Connectors | ||
40 | { | ||
41 | public class AssetServicesConnector : IAssetService | ||
42 | { | ||
43 | private static readonly ILog m_log = | ||
44 | LogManager.GetLogger( | ||
45 | MethodBase.GetCurrentMethod().DeclaringType); | ||
46 | |||
47 | private string m_ServerURI = String.Empty; | ||
48 | private IImprovedAssetCache m_Cache = null; | ||
49 | |||
50 | public AssetServicesConnector() | ||
51 | { | ||
52 | } | ||
53 | |||
54 | public AssetServicesConnector(IConfigSource source) | ||
55 | { | ||
56 | Initialise(source); | ||
57 | } | ||
58 | |||
59 | public virtual void Initialise(IConfigSource source) | ||
60 | { | ||
61 | IConfig assetConfig = source.Configs["AssetService"]; | ||
62 | if (assetConfig == null) | ||
63 | { | ||
64 | m_log.Error("[ASSET CONNECTOR]: AssetService missing from OpanSim.ini"); | ||
65 | throw new Exception("Asset connector init error"); | ||
66 | } | ||
67 | |||
68 | string serviceURI = assetConfig.GetString("AssetServerURI", | ||
69 | String.Empty); | ||
70 | |||
71 | if (serviceURI == String.Empty) | ||
72 | { | ||
73 | m_log.Error("[ASSET CONNECTOR]: No Server URI named in section AssetService"); | ||
74 | throw new Exception("Asset connector init error"); | ||
75 | } | ||
76 | m_ServerURI = serviceURI; | ||
77 | } | ||
78 | |||
79 | protected void SetCache(IImprovedAssetCache cache) | ||
80 | { | ||
81 | m_Cache = cache; | ||
82 | } | ||
83 | |||
84 | public AssetBase Get(string id) | ||
85 | { | ||
86 | string uri = m_ServerURI + "/assets/" + id; | ||
87 | |||
88 | AssetBase asset = null; | ||
89 | if (m_Cache != null) | ||
90 | asset = m_Cache.Get(id); | ||
91 | |||
92 | if (asset == null) | ||
93 | { | ||
94 | asset = SynchronousRestObjectRequester. | ||
95 | MakeRequest<int, AssetBase>("GET", uri, 0); | ||
96 | |||
97 | if (m_Cache != null) | ||
98 | m_Cache.Cache(asset); | ||
99 | } | ||
100 | return asset; | ||
101 | } | ||
102 | |||
103 | public AssetMetadata GetMetadata(string id) | ||
104 | { | ||
105 | if (m_Cache != null) | ||
106 | { | ||
107 | AssetBase fullAsset = m_Cache.Get(id); | ||
108 | |||
109 | if (fullAsset != null) | ||
110 | return fullAsset.Metadata; | ||
111 | } | ||
112 | |||
113 | string uri = m_ServerURI + "/assets/" + id + "/metadata"; | ||
114 | |||
115 | AssetMetadata asset = SynchronousRestObjectRequester. | ||
116 | MakeRequest<int, AssetMetadata>("GET", uri, 0); | ||
117 | return asset; | ||
118 | } | ||
119 | |||
120 | public byte[] GetData(string id) | ||
121 | { | ||
122 | if (m_Cache != null) | ||
123 | { | ||
124 | AssetBase fullAsset = m_Cache.Get(id); | ||
125 | |||
126 | if (fullAsset != null) | ||
127 | return fullAsset.Data; | ||
128 | } | ||
129 | |||
130 | RestClient rc = new RestClient(m_ServerURI); | ||
131 | rc.AddResourcePath("assets"); | ||
132 | rc.AddResourcePath(id); | ||
133 | rc.AddResourcePath("data"); | ||
134 | |||
135 | rc.RequestMethod = "GET"; | ||
136 | |||
137 | Stream s = rc.Request(); | ||
138 | |||
139 | if (s == null) | ||
140 | return null; | ||
141 | |||
142 | if (s.Length > 0) | ||
143 | { | ||
144 | byte[] ret = new byte[s.Length]; | ||
145 | s.Read(ret, 0, (int)s.Length); | ||
146 | |||
147 | return ret; | ||
148 | } | ||
149 | |||
150 | return null; | ||
151 | } | ||
152 | |||
153 | public bool Get(string id, Object sender, AssetRetrieved handler) | ||
154 | { | ||
155 | string uri = m_ServerURI + "/assets/" + id; | ||
156 | |||
157 | AssetBase asset = null; | ||
158 | if (m_Cache != null) | ||
159 | asset = m_Cache.Get(id); | ||
160 | |||
161 | if (asset == null) | ||
162 | { | ||
163 | AsynchronousRestObjectRequester. | ||
164 | MakeRequest<int, AssetBase>("GET", uri, 0, | ||
165 | delegate(AssetBase a) | ||
166 | { | ||
167 | if (m_Cache != null) | ||
168 | m_Cache.Cache(a); | ||
169 | handler(id, sender, a); | ||
170 | }); | ||
171 | |||
172 | } | ||
173 | else | ||
174 | { | ||
175 | handler(id, sender, asset); | ||
176 | } | ||
177 | |||
178 | return true; | ||
179 | } | ||
180 | |||
181 | public string Store(AssetBase asset) | ||
182 | { | ||
183 | if (asset.Temporary || asset.Local) | ||
184 | { | ||
185 | if (m_Cache != null) | ||
186 | m_Cache.Cache(asset); | ||
187 | |||
188 | return asset.ID; | ||
189 | } | ||
190 | |||
191 | string uri = m_ServerURI + "/assets/"; | ||
192 | |||
193 | string newID = SynchronousRestObjectRequester. | ||
194 | MakeRequest<AssetBase, string>("POST", uri, asset); | ||
195 | |||
196 | if (newID != String.Empty) | ||
197 | { | ||
198 | asset.ID = newID; | ||
199 | |||
200 | if (m_Cache != null) | ||
201 | m_Cache.Cache(asset); | ||
202 | } | ||
203 | return newID; | ||
204 | } | ||
205 | |||
206 | public bool UpdateContent(string id, byte[] data) | ||
207 | { | ||
208 | AssetBase asset = null; | ||
209 | |||
210 | if (m_Cache != null) | ||
211 | asset = m_Cache.Get(id); | ||
212 | |||
213 | if (asset == null) | ||
214 | { | ||
215 | AssetMetadata metadata = GetMetadata(id); | ||
216 | if (metadata == null) | ||
217 | return false; | ||
218 | |||
219 | asset = new AssetBase(); | ||
220 | asset.Metadata = metadata; | ||
221 | } | ||
222 | asset.Data = data; | ||
223 | |||
224 | string uri = m_ServerURI + "/assets/" + id; | ||
225 | |||
226 | if (SynchronousRestObjectRequester. | ||
227 | MakeRequest<AssetBase, bool>("POST", uri, asset)) | ||
228 | { | ||
229 | if (m_Cache != null) | ||
230 | m_Cache.Cache(asset); | ||
231 | |||
232 | return true; | ||
233 | } | ||
234 | return false; | ||
235 | } | ||
236 | |||
237 | public bool Delete(string id) | ||
238 | { | ||
239 | string uri = m_ServerURI + "/assets/" + id; | ||
240 | |||
241 | if (SynchronousRestObjectRequester. | ||
242 | MakeRequest<int, bool>("DELETE", uri, 0)) | ||
243 | { | ||
244 | if (m_Cache != null) | ||
245 | m_Cache.Expire(id); | ||
246 | |||
247 | return true; | ||
248 | } | ||
249 | return false; | ||
250 | } | ||
251 | } | ||
252 | } | ||