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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "nacl_io/httpfs/http_fs_node.h" | 5 #include "nacl_io/httpfs/http_fs_node.h" |
6 | 6 |
7 #include <assert.h> | 7 #include <assert.h> |
8 #include <errno.h> | 8 #include <errno.h> |
9 #include <stdio.h> | 9 #include <stdio.h> |
10 #include <string.h> | 10 #include <string.h> |
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145 return EIO; | 145 return EIO; |
146 } | 146 } |
147 | 147 |
148 } // namespace | 148 } // namespace |
149 | 149 |
150 void HttpFsNode::SetCachedSize(off_t size) { | 150 void HttpFsNode::SetCachedSize(off_t size) { |
151 has_cached_size_ = true; | 151 has_cached_size_ = true; |
152 stat_.st_size = size; | 152 stat_.st_size = size; |
153 } | 153 } |
154 | 154 |
155 Error HttpFsNode::FSync() { return EACCES; } | 155 Error HttpFsNode::FSync() { |
| 156 return EACCES; |
| 157 } |
156 | 158 |
157 Error HttpFsNode::GetDents(size_t offs, | 159 Error HttpFsNode::GetDents(size_t offs, |
158 struct dirent* pdir, | 160 struct dirent* pdir, |
159 size_t count, | 161 size_t count, |
160 int* out_bytes) { | 162 int* out_bytes) { |
161 *out_bytes = 0; | 163 *out_bytes = 0; |
162 return EACCES; | 164 return EACCES; |
163 } | 165 } |
164 | 166 |
165 Error HttpFsNode::GetStat(struct stat* stat) { | 167 Error HttpFsNode::GetStat(struct stat* stat) { |
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180 if (error) | 182 if (error) |
181 return error; | 183 return error; |
182 } | 184 } |
183 | 185 |
184 return ReadPartialFromCache(attr, buf, count, out_bytes); | 186 return ReadPartialFromCache(attr, buf, count, out_bytes); |
185 } | 187 } |
186 | 188 |
187 return DownloadPartial(attr, buf, count, out_bytes); | 189 return DownloadPartial(attr, buf, count, out_bytes); |
188 } | 190 } |
189 | 191 |
190 Error HttpFsNode::FTruncate(off_t size) { return EACCES; } | 192 Error HttpFsNode::FTruncate(off_t size) { |
| 193 return EACCES; |
| 194 } |
191 | 195 |
192 Error HttpFsNode::Write(const HandleAttr& attr, | 196 Error HttpFsNode::Write(const HandleAttr& attr, |
193 const void* buf, | 197 const void* buf, |
194 size_t count, | 198 size_t count, |
195 int* out_bytes) { | 199 int* out_bytes) { |
196 // TODO(binji): support POST? | 200 // TODO(binji): support POST? |
197 *out_bytes = 0; | 201 *out_bytes = 0; |
198 return EACCES; | 202 return EACCES; |
199 } | 203 } |
200 | 204 |
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212 *out_size = stat_.st_size; | 216 *out_size = stat_.st_size; |
213 return 0; | 217 return 0; |
214 } | 218 } |
215 | 219 |
216 HttpFsNode::HttpFsNode(Filesystem* filesystem, | 220 HttpFsNode::HttpFsNode(Filesystem* filesystem, |
217 const std::string& url, | 221 const std::string& url, |
218 bool cache_content) | 222 bool cache_content) |
219 : Node(filesystem), | 223 : Node(filesystem), |
220 url_(url), | 224 url_(url), |
221 cache_content_(cache_content), | 225 cache_content_(cache_content), |
222 has_cached_size_(false) {} | 226 has_cached_size_(false) { |
| 227 } |
223 | 228 |
224 void HttpFsNode::SetMode(int mode) { stat_.st_mode = mode; } | 229 void HttpFsNode::SetMode(int mode) { |
| 230 stat_.st_mode = mode; |
| 231 } |
225 | 232 |
226 Error HttpFsNode::GetStat_Locked(struct stat* stat) { | 233 Error HttpFsNode::GetStat_Locked(struct stat* stat) { |
227 // Assume we need to 'HEAD' if we do not know the size, otherwise, assume | 234 // Assume we need to 'HEAD' if we do not know the size, otherwise, assume |
228 // that the information is constant. We can add a timeout if needed. | 235 // that the information is constant. We can add a timeout if needed. |
229 HttpFs* filesystem = static_cast<HttpFs*>(filesystem_); | 236 HttpFs* filesystem = static_cast<HttpFs*>(filesystem_); |
230 if (!has_cached_size_ || !filesystem->cache_stat_) { | 237 if (!has_cached_size_ || !filesystem->cache_stat_) { |
231 StringMap_t headers; | 238 StringMap_t headers; |
232 ScopedResource loader(filesystem_->ppapi()); | 239 ScopedResource loader(filesystem_->ppapi()); |
233 ScopedResource request(filesystem_->ppapi()); | 240 ScopedResource request(filesystem_->ppapi()); |
234 ScopedResource response(filesystem_->ppapi()); | 241 ScopedResource response(filesystem_->ppapi()); |
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633 assert(bytes_read <= bytes_to_read); | 640 assert(bytes_read <= bytes_to_read); |
634 bytes_to_read -= bytes_read; | 641 bytes_to_read -= bytes_read; |
635 out_buffer += bytes_read; | 642 out_buffer += bytes_read; |
636 } | 643 } |
637 | 644 |
638 *out_bytes = count; | 645 *out_bytes = count; |
639 return 0; | 646 return 0; |
640 } | 647 } |
641 | 648 |
642 } // namespace nacl_io | 649 } // namespace nacl_io |
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