ceph/src/rocksdb/utilities/env_timed.h

   1 // Copyright (c) 2019-present, Facebook, Inc.  All rights reserved.
   2 //  This source code is licensed under both the GPLv2 (found in the
   3 //  COPYING file in the root directory) and Apache 2.0 License
   4 //  (found in the LICENSE.Apache file in the root directory).
   5 //
   6
   7 #pragma once
   8 #include "rocksdb/file_system.h"
   9 namespace ROCKSDB_NAMESPACE {
  10 #ifndef ROCKSDB_LITE
  11 class TimedFileSystem : public FileSystemWrapper {
  12  public:
  13   explicit TimedFileSystem(const std::shared_ptr<FileSystem>& base);
  14
  15   static const char* kClassName() { return "TimedFS"; }
  16   const char* Name() const override { return kClassName(); }
  17
  18   IOStatus NewSequentialFile(const std::string& fname,
  19                              const FileOptions& options,
  20                              std::unique_ptr<FSSequentialFile>* result,
  21                              IODebugContext* dbg) override;
  22
  23   IOStatus NewRandomAccessFile(const std::string& fname,
  24                                const FileOptions& options,
  25                                std::unique_ptr<FSRandomAccessFile>* result,
  26                                IODebugContext* dbg) override;
  27
  28   IOStatus NewWritableFile(const std::string& fname, const FileOptions& options,
  29                            std::unique_ptr<FSWritableFile>* result,
  30                            IODebugContext* dbg) override;
  31
  32   IOStatus ReuseWritableFile(const std::string& fname,
  33                              const std::string& old_fname,
  34                              const FileOptions& options,
  35                              std::unique_ptr<FSWritableFile>* result,
  36                              IODebugContext* dbg) override;
  37
  38   IOStatus NewRandomRWFile(const std::string& fname, const FileOptions& options,
  39                            std::unique_ptr<FSRandomRWFile>* result,
  40                            IODebugContext* dbg) override;
  41
  42   IOStatus NewDirectory(const std::string& name, const IOOptions& options,
  43                         std::unique_ptr<FSDirectory>* result,
  44                         IODebugContext* dbg) override;
  45
  46   IOStatus FileExists(const std::string& fname, const IOOptions& options,
  47                       IODebugContext* dbg) override;
  48
  49   IOStatus GetChildren(const std::string& dir, const IOOptions& options,
  50                        std::vector<std::string>* result,
  51                        IODebugContext* dbg) override;
  52
  53   IOStatus GetChildrenFileAttributes(const std::string& dir,
  54                                      const IOOptions& options,
  55                                      std::vector<FileAttributes>* result,
  56                                      IODebugContext* dbg) override;
  57
  58   IOStatus DeleteFile(const std::string& fname, const IOOptions& options,
  59                       IODebugContext* dbg) override;
  60
  61   IOStatus CreateDir(const std::string& dirname, const IOOptions& options,
  62                      IODebugContext* dbg) override;
  63
  64   IOStatus CreateDirIfMissing(const std::string& dirname,
  65                               const IOOptions& options,
  66                               IODebugContext* dbg) override;
  67
  68   IOStatus DeleteDir(const std::string& dirname, const IOOptions& options,
  69                      IODebugContext* dbg) override;
  70
  71   IOStatus GetFileSize(const std::string& fname, const IOOptions& options,
  72                        uint64_t* file_size, IODebugContext* dbg) override;
  73
  74   IOStatus GetFileModificationTime(const std::string& fname,
  75                                    const IOOptions& options,
  76                                    uint64_t* file_mtime,
  77                                    IODebugContext* dbg) override;
  78
  79   IOStatus RenameFile(const std::string& src, const std::string& dst,
  80                       const IOOptions& options, IODebugContext* dbg) override;
  81
  82   IOStatus LinkFile(const std::string& src, const std::string& dst,
  83                     const IOOptions& options, IODebugContext* dbg) override;
  84
  85   IOStatus LockFile(const std::string& fname, const IOOptions& options,
  86                     FileLock** lock, IODebugContext* dbg) override;
  87
  88   IOStatus UnlockFile(FileLock* lock, const IOOptions& options,
  89                       IODebugContext* dbg) override;
  90
  91   IOStatus NewLogger(const std::string& fname, const IOOptions& options,
  92                      std::shared_ptr<Logger>* result,
  93                      IODebugContext* dbg) override;
  94 };
  95
  96 #endif  // ROCKSDB_LITE
  97 }  // namespace ROCKSDB_NAMESPACE