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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 "base/files/file.h" | 5 #include "base/files/file.h" |
6 | 6 |
7 #include <io.h> | 7 #include <io.h> |
8 | 8 |
9 #include "base/logging.h" | 9 #include "base/logging.h" |
10 #include "base/metrics/sparse_histogram.h" | 10 #include "base/metrics/sparse_histogram.h" |
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301 case ERROR_FILE_CORRUPT: | 301 case ERROR_FILE_CORRUPT: |
302 case ERROR_DISK_CORRUPT: | 302 case ERROR_DISK_CORRUPT: |
303 return FILE_ERROR_IO; | 303 return FILE_ERROR_IO; |
304 default: | 304 default: |
305 UMA_HISTOGRAM_SPARSE_SLOWLY("PlatformFile.UnknownErrors.Windows", | 305 UMA_HISTOGRAM_SPARSE_SLOWLY("PlatformFile.UnknownErrors.Windows", |
306 last_error); | 306 last_error); |
307 return FILE_ERROR_FAILED; | 307 return FILE_ERROR_FAILED; |
308 } | 308 } |
309 } | 309 } |
310 | 310 |
311 void File::DoInitialize(uint32 flags) { | 311 void File::DoInitialize(const FilePath& path, uint32 flags) { |
312 ThreadRestrictions::AssertIOAllowed(); | 312 ThreadRestrictions::AssertIOAllowed(); |
313 DCHECK(!IsValid()); | 313 DCHECK(!IsValid()); |
314 | 314 |
315 DWORD disposition = 0; | 315 DWORD disposition = 0; |
316 | 316 |
317 if (flags & FLAG_OPEN) | 317 if (flags & FLAG_OPEN) |
318 disposition = OPEN_EXISTING; | 318 disposition = OPEN_EXISTING; |
319 | 319 |
320 if (flags & FLAG_CREATE) { | 320 if (flags & FLAG_CREATE) { |
321 DCHECK(!disposition); | 321 DCHECK(!disposition); |
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369 create_flags |= FILE_FLAG_OVERLAPPED; | 369 create_flags |= FILE_FLAG_OVERLAPPED; |
370 if (flags & FLAG_TEMPORARY) | 370 if (flags & FLAG_TEMPORARY) |
371 create_flags |= FILE_ATTRIBUTE_TEMPORARY; | 371 create_flags |= FILE_ATTRIBUTE_TEMPORARY; |
372 if (flags & FLAG_HIDDEN) | 372 if (flags & FLAG_HIDDEN) |
373 create_flags |= FILE_ATTRIBUTE_HIDDEN; | 373 create_flags |= FILE_ATTRIBUTE_HIDDEN; |
374 if (flags & FLAG_DELETE_ON_CLOSE) | 374 if (flags & FLAG_DELETE_ON_CLOSE) |
375 create_flags |= FILE_FLAG_DELETE_ON_CLOSE; | 375 create_flags |= FILE_FLAG_DELETE_ON_CLOSE; |
376 if (flags & FLAG_BACKUP_SEMANTICS) | 376 if (flags & FLAG_BACKUP_SEMANTICS) |
377 create_flags |= FILE_FLAG_BACKUP_SEMANTICS; | 377 create_flags |= FILE_FLAG_BACKUP_SEMANTICS; |
378 | 378 |
379 file_.Set(CreateFile(path_.value().c_str(), access, sharing, NULL, | 379 file_.Set(CreateFile(path.value().c_str(), access, sharing, NULL, disposition, |
380 disposition, create_flags, NULL)); | 380 create_flags, NULL)); |
381 | 381 |
382 if (file_.IsValid()) { | 382 if (file_.IsValid()) { |
383 error_details_ = FILE_OK; | 383 error_details_ = FILE_OK; |
384 async_ = ((flags & FLAG_ASYNC) == FLAG_ASYNC); | 384 async_ = ((flags & FLAG_ASYNC) == FLAG_ASYNC); |
385 | 385 |
386 if (flags & (FLAG_OPEN_ALWAYS)) | 386 if (flags & (FLAG_OPEN_ALWAYS)) |
387 created_ = (ERROR_ALREADY_EXISTS != GetLastError()); | 387 created_ = (ERROR_ALREADY_EXISTS != GetLastError()); |
388 else if (flags & (FLAG_CREATE_ALWAYS | FLAG_CREATE)) | 388 else if (flags & (FLAG_CREATE_ALWAYS | FLAG_CREATE)) |
389 created_ = true; | 389 created_ = true; |
390 } else { | 390 } else { |
391 error_details_ = OSErrorToFileError(GetLastError()); | 391 error_details_ = OSErrorToFileError(GetLastError()); |
392 } | 392 } |
393 } | 393 } |
394 | 394 |
395 bool File::DoFlush() { | 395 bool File::DoFlush() { |
396 ThreadRestrictions::AssertIOAllowed(); | 396 ThreadRestrictions::AssertIOAllowed(); |
397 DCHECK(IsValid()); | 397 DCHECK(IsValid()); |
398 return ::FlushFileBuffers(file_.Get()) != FALSE; | 398 return ::FlushFileBuffers(file_.Get()) != FALSE; |
399 } | 399 } |
400 | 400 |
401 void File::SetPlatformFile(PlatformFile file) { | 401 void File::SetPlatformFile(PlatformFile file) { |
402 file_.Set(file); | 402 file_.Set(file); |
403 } | 403 } |
404 | 404 |
405 } // namespace base | 405 } // namespace base |
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