diff options
Diffstat (limited to 'OpenSim/Capabilities/Handlers/GetTexture/GetTextureHandler.cs')
-rw-r--r-- | OpenSim/Capabilities/Handlers/GetTexture/GetTextureHandler.cs | 225 |
1 files changed, 112 insertions, 113 deletions
diff --git a/OpenSim/Capabilities/Handlers/GetTexture/GetTextureHandler.cs b/OpenSim/Capabilities/Handlers/GetTexture/GetTextureHandler.cs index 7b3124a..f3efb53 100644 --- a/OpenSim/Capabilities/Handlers/GetTexture/GetTextureHandler.cs +++ b/OpenSim/Capabilities/Handlers/GetTexture/GetTextureHandler.cs | |||
@@ -47,36 +47,36 @@ using Caps = OpenSim.Framework.Capabilities.Caps; | |||
47 | 47 | ||
48 | namespace OpenSim.Capabilities.Handlers | 48 | namespace OpenSim.Capabilities.Handlers |
49 | { | 49 | { |
50 | public class GetTextureHandler : BaseStreamHandler | 50 | public class GetTextureHandler |
51 | { | 51 | { |
52 | private static readonly ILog m_log = | 52 | private static readonly ILog m_log = |
53 | LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); | 53 | LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); |
54 | |||
54 | private IAssetService m_assetService; | 55 | private IAssetService m_assetService; |
55 | 56 | ||
56 | public const string DefaultFormat = "x-j2c"; | 57 | public const string DefaultFormat = "x-j2c"; |
57 | 58 | ||
58 | // TODO: Change this to a config option | 59 | public GetTextureHandler(IAssetService assService) |
59 | const string REDIRECT_URL = null; | ||
60 | |||
61 | public GetTextureHandler(string path, IAssetService assService, string name, string description) | ||
62 | : base("GET", path, name, description) | ||
63 | { | 60 | { |
64 | m_assetService = assService; | 61 | m_assetService = assService; |
65 | } | 62 | } |
66 | 63 | ||
67 | protected override byte[] ProcessRequest(string path, Stream request, IOSHttpRequest httpRequest, IOSHttpResponse httpResponse) | 64 | public Hashtable Handle(Hashtable request) |
68 | { | 65 | { |
69 | // Try to parse the texture ID from the request URL | 66 | Hashtable ret = new Hashtable(); |
70 | NameValueCollection query = HttpUtility.ParseQueryString(httpRequest.Url.Query); | 67 | ret["int_response_code"] = (int)System.Net.HttpStatusCode.NotFound; |
71 | string textureStr = query.GetOne("texture_id"); | 68 | ret["content_type"] = "text/plain"; |
72 | string format = query.GetOne("format"); | 69 | ret["keepalive"] = false; |
70 | ret["reusecontext"] = false; | ||
71 | ret["int_bytes"] = 0; | ||
72 | string textureStr = (string)request["texture_id"]; | ||
73 | string format = (string)request["format"]; | ||
73 | 74 | ||
74 | //m_log.DebugFormat("[GETTEXTURE]: called {0}", textureStr); | 75 | //m_log.DebugFormat("[GETTEXTURE]: called {0}", textureStr); |
75 | 76 | ||
76 | if (m_assetService == null) | 77 | if (m_assetService == null) |
77 | { | 78 | { |
78 | m_log.Error("[GETTEXTURE]: Cannot fetch texture " + textureStr + " without an asset service"); | 79 | m_log.Error("[GETTEXTURE]: Cannot fetch texture " + textureStr + " without an asset service"); |
79 | httpResponse.StatusCode = (int)System.Net.HttpStatusCode.NotFound; | ||
80 | } | 80 | } |
81 | 81 | ||
82 | UUID textureID; | 82 | UUID textureID; |
@@ -91,30 +91,41 @@ namespace OpenSim.Capabilities.Handlers | |||
91 | } | 91 | } |
92 | else | 92 | else |
93 | { | 93 | { |
94 | formats = WebUtil.GetPreferredImageTypes(httpRequest.Headers.Get("Accept")); | 94 | formats = new string[1] { DefaultFormat }; // default |
95 | if (((Hashtable)request["headers"])["Accept"] != null) | ||
96 | formats = WebUtil.GetPreferredImageTypes((string)((Hashtable)request["headers"])["Accept"]); | ||
95 | if (formats.Length == 0) | 97 | if (formats.Length == 0) |
96 | formats = new string[1] { DefaultFormat }; // default | 98 | formats = new string[1] { DefaultFormat }; // default |
97 | 99 | ||
98 | } | 100 | } |
99 | // OK, we have an array with preferred formats, possibly with only one entry | 101 | // OK, we have an array with preferred formats, possibly with only one entry |
100 | 102 | bool foundtexture = false; | |
101 | httpResponse.StatusCode = (int)System.Net.HttpStatusCode.NotFound; | ||
102 | foreach (string f in formats) | 103 | foreach (string f in formats) |
103 | { | 104 | { |
104 | if (FetchTexture(httpRequest, httpResponse, textureID, f)) | 105 | foundtexture = FetchTexture(request, ret, textureID, f); |
106 | if (foundtexture) | ||
105 | break; | 107 | break; |
106 | } | 108 | } |
109 | if (!foundtexture) | ||
110 | { | ||
111 | ret["int_response_code"] = 404; | ||
112 | ret["error_status_text"] = "not found"; | ||
113 | ret["str_response_string"] = "not found"; | ||
114 | ret["content_type"] = "text/plain"; | ||
115 | ret["keepalive"] = false; | ||
116 | ret["reusecontext"] = false; | ||
117 | ret["int_bytes"] = 0; | ||
118 | } | ||
107 | } | 119 | } |
108 | else | 120 | else |
109 | { | 121 | { |
110 | m_log.Warn("[GETTEXTURE]: Failed to parse a texture_id from GetTexture request: " + httpRequest.Url); | 122 | m_log.Warn("[GETTEXTURE]: Failed to parse a texture_id from GetTexture request: " + (string)request["uri"]); |
111 | } | 123 | } |
112 | 124 | ||
113 | // m_log.DebugFormat( | 125 | // m_log.DebugFormat( |
114 | // "[GETTEXTURE]: For texture {0} sending back response {1}, data length {2}", | 126 | // "[GETTEXTURE]: For texture {0} sending back response {1}, data length {2}", |
115 | // textureID, httpResponse.StatusCode, httpResponse.ContentLength); | 127 | // textureID, httpResponse.StatusCode, httpResponse.ContentLength); |
116 | 128 | return ret; | |
117 | return null; | ||
118 | } | 129 | } |
119 | 130 | ||
120 | /// <summary> | 131 | /// <summary> |
@@ -125,7 +136,7 @@ namespace OpenSim.Capabilities.Handlers | |||
125 | /// <param name="textureID"></param> | 136 | /// <param name="textureID"></param> |
126 | /// <param name="format"></param> | 137 | /// <param name="format"></param> |
127 | /// <returns>False for "caller try another codec"; true otherwise</returns> | 138 | /// <returns>False for "caller try another codec"; true otherwise</returns> |
128 | private bool FetchTexture(IOSHttpRequest httpRequest, IOSHttpResponse httpResponse, UUID textureID, string format) | 139 | private bool FetchTexture(Hashtable request, Hashtable response, UUID textureID, string format) |
129 | { | 140 | { |
130 | // m_log.DebugFormat("[GETTEXTURE]: {0} with requested format {1}", textureID, format); | 141 | // m_log.DebugFormat("[GETTEXTURE]: {0} with requested format {1}", textureID, format); |
131 | AssetBase texture; | 142 | AssetBase texture; |
@@ -134,85 +145,70 @@ namespace OpenSim.Capabilities.Handlers | |||
134 | if (format != DefaultFormat) | 145 | if (format != DefaultFormat) |
135 | fullID = fullID + "-" + format; | 146 | fullID = fullID + "-" + format; |
136 | 147 | ||
137 | if (!String.IsNullOrEmpty(REDIRECT_URL)) | 148 | // try the cache |
149 | texture = m_assetService.GetCached(fullID); | ||
150 | |||
151 | if (texture == null) | ||
138 | { | 152 | { |
139 | // Only try to fetch locally cached textures. Misses are redirected | 153 | //m_log.DebugFormat("[GETTEXTURE]: texture was not in the cache"); |
140 | texture = m_assetService.GetCached(fullID); | 154 | |
155 | // Fetch locally or remotely. Misses return a 404 | ||
156 | texture = m_assetService.Get(textureID.ToString()); | ||
141 | 157 | ||
142 | if (texture != null) | 158 | if (texture != null) |
143 | { | 159 | { |
144 | if (texture.Type != (sbyte)AssetType.Texture) | 160 | if (texture.Type != (sbyte)AssetType.Texture) |
161 | return true; | ||
162 | |||
163 | if (format == DefaultFormat) | ||
145 | { | 164 | { |
146 | httpResponse.StatusCode = (int)System.Net.HttpStatusCode.NotFound; | 165 | WriteTextureData(request, response, texture, format); |
147 | return true; | 166 | return true; |
148 | } | 167 | } |
149 | WriteTextureData(httpRequest, httpResponse, texture, format); | 168 | else |
150 | } | ||
151 | else | ||
152 | { | ||
153 | string textureUrl = REDIRECT_URL + textureID.ToString(); | ||
154 | m_log.Debug("[GETTEXTURE]: Redirecting texture request to " + textureUrl); | ||
155 | httpResponse.RedirectLocation = textureUrl; | ||
156 | return true; | ||
157 | } | ||
158 | } | ||
159 | else // no redirect | ||
160 | { | ||
161 | // try the cache | ||
162 | texture = m_assetService.GetCached(fullID); | ||
163 | |||
164 | if (texture == null) | ||
165 | { | ||
166 | // m_log.DebugFormat("[GETTEXTURE]: texture was not in the cache"); | ||
167 | |||
168 | // Fetch locally or remotely. Misses return a 404 | ||
169 | texture = m_assetService.Get(textureID.ToString()); | ||
170 | |||
171 | if (texture != null) | ||
172 | { | 169 | { |
173 | if (texture.Type != (sbyte)AssetType.Texture) | 170 | AssetBase newTexture = new AssetBase(texture.ID + "-" + format, texture.Name, (sbyte)AssetType.Texture, texture.Metadata.CreatorID); |
174 | { | 171 | newTexture.Data = ConvertTextureData(texture, format); |
175 | httpResponse.StatusCode = (int)System.Net.HttpStatusCode.NotFound; | 172 | if (newTexture.Data.Length == 0) |
176 | return true; | 173 | return false; // !!! Caller try another codec, please! |
177 | } | 174 | |
178 | if (format == DefaultFormat) | 175 | newTexture.Flags = AssetFlags.Collectable; |
179 | { | 176 | newTexture.Temporary = true; |
180 | WriteTextureData(httpRequest, httpResponse, texture, format); | 177 | newTexture.Local = true; |
181 | return true; | 178 | m_assetService.Store(newTexture); |
182 | } | 179 | WriteTextureData(request, response, newTexture, format); |
183 | else | 180 | return true; |
184 | { | ||
185 | AssetBase newTexture = new AssetBase(texture.ID + "-" + format, texture.Name, (sbyte)AssetType.Texture, texture.Metadata.CreatorID); | ||
186 | newTexture.Data = ConvertTextureData(texture, format); | ||
187 | if (newTexture.Data.Length == 0) | ||
188 | return false; // !!! Caller try another codec, please! | ||
189 | |||
190 | newTexture.Flags = AssetFlags.Collectable; | ||
191 | newTexture.Temporary = true; | ||
192 | newTexture.Local = true; | ||
193 | m_assetService.Store(newTexture); | ||
194 | WriteTextureData(httpRequest, httpResponse, newTexture, format); | ||
195 | return true; | ||
196 | } | ||
197 | } | 181 | } |
198 | } | 182 | } |
199 | else // it was on the cache | 183 | } |
200 | { | 184 | else // it was on the cache |
201 | // m_log.DebugFormat("[GETTEXTURE]: texture was in the cache"); | 185 | { |
202 | WriteTextureData(httpRequest, httpResponse, texture, format); | 186 | //m_log.DebugFormat("[GETTEXTURE]: texture was in the cache"); |
203 | return true; | 187 | WriteTextureData(request, response, texture, format); |
204 | } | 188 | return true; |
205 | } | 189 | } |
206 | 190 | ||
191 | //response = new Hashtable(); | ||
192 | |||
193 | |||
194 | //WriteTextureData(request,response,null,format); | ||
207 | // not found | 195 | // not found |
208 | // m_log.Warn("[GETTEXTURE]: Texture " + textureID + " not found"); | 196 | //m_log.Warn("[GETTEXTURE]: Texture " + textureID + " not found"); |
209 | httpResponse.StatusCode = (int)System.Net.HttpStatusCode.NotFound; | 197 | return false; |
210 | return true; | ||
211 | } | 198 | } |
212 | 199 | ||
213 | private void WriteTextureData(IOSHttpRequest request, IOSHttpResponse response, AssetBase texture, string format) | 200 | private void WriteTextureData(Hashtable request, Hashtable response, AssetBase texture, string format) |
214 | { | 201 | { |
215 | string range = request.Headers.GetOne("Range"); | 202 | Hashtable headers = new Hashtable(); |
203 | response["headers"] = headers; | ||
204 | |||
205 | string range = String.Empty; | ||
206 | |||
207 | if (((Hashtable)request["headers"])["range"] != null) | ||
208 | range = (string)((Hashtable)request["headers"])["range"]; | ||
209 | |||
210 | else if (((Hashtable)request["headers"])["Range"] != null) | ||
211 | range = (string)((Hashtable)request["headers"])["Range"]; | ||
216 | 212 | ||
217 | if (!String.IsNullOrEmpty(range)) // JP2's only | 213 | if (!String.IsNullOrEmpty(range)) // JP2's only |
218 | { | 214 | { |
@@ -240,10 +236,8 @@ namespace OpenSim.Capabilities.Handlers | |||
240 | // However, if we return PartialContent (or OK) instead, the viewer will display that resolution. | 236 | // However, if we return PartialContent (or OK) instead, the viewer will display that resolution. |
241 | 237 | ||
242 | // response.StatusCode = (int)System.Net.HttpStatusCode.RequestedRangeNotSatisfiable; | 238 | // response.StatusCode = (int)System.Net.HttpStatusCode.RequestedRangeNotSatisfiable; |
243 | // response.AddHeader("Content-Range", String.Format("bytes */{0}", texture.Data.Length)); | 239 | // viewers don't seem to handle RequestedRangeNotSatisfiable and keep retrying with same parameters |
244 | // response.StatusCode = (int)System.Net.HttpStatusCode.OK; | 240 | response["int_response_code"] = (int)System.Net.HttpStatusCode.NotFound; |
245 | response.StatusCode = (int)System.Net.HttpStatusCode.PartialContent; | ||
246 | response.ContentType = texture.Metadata.ContentType; | ||
247 | } | 241 | } |
248 | else | 242 | else |
249 | { | 243 | { |
@@ -258,41 +252,46 @@ namespace OpenSim.Capabilities.Handlers | |||
258 | 252 | ||
259 | // m_log.Debug("Serving " + start + " to " + end + " of " + texture.Data.Length + " bytes for texture " + texture.ID); | 253 | // m_log.Debug("Serving " + start + " to " + end + " of " + texture.Data.Length + " bytes for texture " + texture.ID); |
260 | 254 | ||
261 | // Always return PartialContent, even if the range covered the entire data length | 255 | response["content-type"] = texture.Metadata.ContentType; |
262 | // We were accidentally sending back 404 before in this situation | 256 | |
263 | // https://issues.apache.org/bugzilla/show_bug.cgi?id=51878 supports sending 206 even if the | 257 | if (start == 0 && len == texture.Data.Length) // well redudante maybe |
264 | // entire range is requested, and viewer 3.2.2 (and very probably earlier) seems fine with this. | 258 | { |
265 | // | 259 | response["int_response_code"] = (int)System.Net.HttpStatusCode.OK; |
266 | // We also do not want to send back OK even if the whole range was satisfiable since this causes | 260 | response["bin_response_data"] = texture.Data; |
267 | // HTTP textures on at least Imprudence 1.4.0-beta2 to never display the final texture quality. | 261 | response["int_bytes"] = texture.Data.Length; |
268 | // if (end > maxEnd) | 262 | } |
269 | // response.StatusCode = (int)System.Net.HttpStatusCode.OK; | 263 | else |
270 | // else | 264 | { |
271 | response.StatusCode = (int)System.Net.HttpStatusCode.PartialContent; | 265 | response["int_response_code"] = (int)System.Net.HttpStatusCode.PartialContent; |
272 | 266 | headers["Content-Range"] = String.Format("bytes {0}-{1}/{2}", start, end, texture.Data.Length); | |
273 | response.ContentLength = len; | 267 | |
274 | response.ContentType = texture.Metadata.ContentType; | 268 | byte[] d = new byte[len]; |
275 | response.AddHeader("Content-Range", String.Format("bytes {0}-{1}/{2}", start, end, texture.Data.Length)); | 269 | Array.Copy(texture.Data, start, d, 0, len); |
276 | 270 | response["bin_response_data"] = d; | |
277 | response.Body.Write(texture.Data, start, len); | 271 | response["int_bytes"] = len; |
272 | } | ||
273 | // response.Body.Write(texture.Data, start, len); | ||
278 | } | 274 | } |
279 | } | 275 | } |
280 | else | 276 | else |
281 | { | 277 | { |
282 | m_log.Warn("[GETTEXTURE]: Malformed Range header: " + range); | 278 | m_log.Warn("[GETTEXTURE]: Malformed Range header: " + range); |
283 | response.StatusCode = (int)System.Net.HttpStatusCode.BadRequest; | 279 | response["int_response_code"] = (int)System.Net.HttpStatusCode.BadRequest; |
284 | } | 280 | } |
285 | } | 281 | } |
286 | else // JP2's or other formats | 282 | else // JP2's or other formats |
287 | { | 283 | { |
288 | // Full content request | 284 | // Full content request |
289 | response.StatusCode = (int)System.Net.HttpStatusCode.OK; | 285 | response["int_response_code"] = (int)System.Net.HttpStatusCode.OK; |
290 | response.ContentLength = texture.Data.Length; | ||
291 | if (format == DefaultFormat) | 286 | if (format == DefaultFormat) |
292 | response.ContentType = texture.Metadata.ContentType; | 287 | response["content_type"] = texture.Metadata.ContentType; |
293 | else | 288 | else |
294 | response.ContentType = "image/" + format; | 289 | response["content_type"] = "image/" + format; |
295 | response.Body.Write(texture.Data, 0, texture.Data.Length); | 290 | |
291 | response["bin_response_data"] = texture.Data; | ||
292 | response["int_bytes"] = texture.Data.Length; | ||
293 | |||
294 | // response.Body.Write(texture.Data, 0, texture.Data.Length); | ||
296 | } | 295 | } |
297 | 296 | ||
298 | // if (response.StatusCode < 200 || response.StatusCode > 299) | 297 | // if (response.StatusCode < 200 || response.StatusCode > 299) |
@@ -424,4 +423,4 @@ namespace OpenSim.Capabilities.Handlers | |||
424 | return null; | 423 | return null; |
425 | } | 424 | } |
426 | } | 425 | } |
427 | } \ No newline at end of file | 426 | } |