DiskUsage.hpp

#ifndef DITTO_DISK_USAGE_H
#define DITTO_DISK_USAGE_H
 
#include "DittoHandleWrapper.hpp"
#include "dittoffi.hpp"
#include "json.hpp"
 
#include <string>
#include <vector>
 
namespace ditto {
 
class DittoHandleWrapper;
class Store;
 
enum FileSystemType {
  Directory,
  File,
  SymLink,
};
 
class DiskUsageChild {
  friend class DiskUsage;
 
public:
  FileSystemType fs_type;
  std::string path;
  uint64_t size_in_bytes;
  std::vector<DiskUsageChild> children;
};

using DiskUsageCallback = std::function<void(DiskUsageChild)>;
 
class DiskObserverContext {
  friend class DiskUsage;

  DiskUsageObserver_t *inner_context;
  DiskUsageCallback cb;
 
  explicit DiskObserverContext(DiskUsageCallback callback);
  static void on_event(void *ctx, slice_ref_uint8_t cbor);
  void set_handle(DiskUsageObserver_t *inner_context);
 
public:
  ~DiskObserverContext();
};

class DiskUsage {
  friend class Ditto;
  friend class Store;
  friend class Attachment;
  friend class Authenticator;
 
private:
  DiskUsage();
  DiskUsage(std::shared_ptr<DittoHandleWrapper> ditto_handle_wrapper,
            FsComponent component);
  FsComponent component;
  std::shared_ptr<DittoHandleWrapper> ditto_handle_wrapper;
 
public:
  std::shared_ptr<DiskObserverContext> observe(DiskUsageCallback cb);
  DiskUsageChild exec();
};
 
} // namespace ditto
 
#endif