far2l/src/mix/MountInfo.h

   1 #pragma once
   2 #include <string>
   3 #include <vector>
   4 #include <memory>
   5
   6 struct Mountpoint
   7 {
   8         std::string path;
   9         std::string filesystem;
  10         std::string device;
  11         bool multi_thread_friendly;
  12
  13         // following fields valid only if for_location_menu set to true
  14         volatile bool bad;
  15         volatile bool read_only;
  16         volatile unsigned long long total;
  17         volatile unsigned long long avail;
  18         volatile unsigned long long free_;
  19 };
  20
  21 struct Mountpoints;
  22
  23 /*
  24         This class enumerates mountpoints and provides extra info
  25         like disk sizes (if for_location_menu enabled) and also
  26         (if for_location_menu disabled) - it provides ability to check
  27         if specified path points to device that is best to be
  28         accessed in multi-thread parallel manner, like SSD drives.
  29         Later currently works only under Linux, others defaulted to <true>.
  30 */
  31 class MountInfo
  32 {
  33         std::shared_ptr<Mountpoints> _mountpoints;
  34         char _mtfs = 0;
  35
  36 public:
  37         MountInfo(bool for_location_menu = false);
  38
  39         const std::vector<Mountpoint> &Enum() const;
  40
  41         std::string GetFileSystem(const std::string &path) const;
  42
  43         /// Returns true if path fine to be used multi-threaded-ly
  44         bool IsMultiThreadFriendly(const std::string &path) const;
  45 };