Index: net/disk_cache/blockfile/file.h |
diff --git a/net/disk_cache/blockfile/file.h b/net/disk_cache/blockfile/file.h |
deleted file mode 100644 |
index 9425d598501c035d9e50297223a3c63fb4ce60c5..0000000000000000000000000000000000000000 |
--- a/net/disk_cache/blockfile/file.h |
+++ /dev/null |
@@ -1,100 +0,0 @@ |
-// Copyright (c) 2012 The Chromium Authors. All rights reserved. |
-// Use of this source code is governed by a BSD-style license that can be |
-// found in the LICENSE file. |
- |
-// See net/disk_cache/disk_cache.h for the public interface of the cache. |
- |
-#ifndef NET_DISK_CACHE_BLOCKFILE_FILE_H_ |
-#define NET_DISK_CACHE_BLOCKFILE_FILE_H_ |
- |
-#include "base/files/file.h" |
-#include "base/memory/ref_counted.h" |
-#include "net/base/net_export.h" |
- |
-namespace base { |
-class FilePath; |
-} |
- |
-namespace disk_cache { |
- |
-// This interface is used to support asynchronous ReadData and WriteData calls. |
-class FileIOCallback { |
- public: |
- // Notified of the actual number of bytes read or written. This value is |
- // negative if an error occurred. |
- virtual void OnFileIOComplete(int bytes_copied) = 0; |
- |
- protected: |
- virtual ~FileIOCallback() {} |
-}; |
- |
-// Simple wrapper around a file that allows asynchronous operations. |
-class NET_EXPORT_PRIVATE File : public base::RefCounted<File> { |
- friend class base::RefCounted<File>; |
- public: |
- File(); |
- // mixed_mode set to true enables regular synchronous operations for the file. |
- explicit File(bool mixed_mode); |
- |
- // Initializes the object to use the passed in file instead of opening it with |
- // the Init() call. No asynchronous operations can be performed with this |
- // object. |
- explicit File(base::File file); |
- |
- // Initializes the object to point to a given file. The file must aready exist |
- // on disk, and allow shared read and write. |
- bool Init(const base::FilePath& name); |
- |
- // Returns true if the file was opened properly. |
- bool IsValid() const; |
- |
- // Performs synchronous IO. |
- bool Read(void* buffer, size_t buffer_len, size_t offset); |
- bool Write(const void* buffer, size_t buffer_len, size_t offset); |
- |
- // Performs asynchronous IO. callback will be called when the IO completes, |
- // as an APC on the thread that queued the operation. |
- bool Read(void* buffer, size_t buffer_len, size_t offset, |
- FileIOCallback* callback, bool* completed); |
- bool Write(const void* buffer, size_t buffer_len, size_t offset, |
- FileIOCallback* callback, bool* completed); |
- |
- // Sets the file's length. The file is truncated or extended with zeros to |
- // the new length. |
- bool SetLength(size_t length); |
- size_t GetLength(); |
- |
- // Blocks until |num_pending_io| IO operations complete. |
- static void WaitForPendingIO(int* num_pending_io); |
- |
- // Drops current pending operations without waiting for them to complete. |
- static void DropPendingIO(); |
- |
- protected: |
- virtual ~File(); |
- |
- // Returns the handle or file descriptor. |
- base::PlatformFile platform_file() const; |
- |
- private: |
- // Performs the actual asynchronous write. If notify is set and there is no |
- // callback, the call will be re-synchronized. |
- bool AsyncWrite(const void* buffer, size_t buffer_len, size_t offset, |
- FileIOCallback* callback, bool* completed); |
- |
- // Infrastructure for async IO. |
- int DoRead(void* buffer, size_t buffer_len, size_t offset); |
- int DoWrite(const void* buffer, size_t buffer_len, size_t offset); |
- void OnOperationComplete(FileIOCallback* callback, int result); |
- |
- bool init_; |
- bool mixed_; |
- base::File base_file_; // Regular, asynchronous IO handle. |
- base::File sync_base_file_; // Synchronous IO handle. |
- |
- DISALLOW_COPY_AND_ASSIGN(File); |
-}; |
- |
-} // namespace disk_cache |
- |
-#endif // NET_DISK_CACHE_BLOCKFILE_FILE_H_ |