Class: FFI::Libfuse::Filesystem::PassThroughDir

Inherits:
Object
  • Object
show all
Includes:
Adapter::Debug, MappedFiles, Utils
Defined in:
lib/ffi/libfuse/filesystem/pass_through_dir.rb

Overview

A Filesystem that maps paths to an underlying directory

Constant Summary

Constants included from Adapter::Debug

Adapter::Debug::DEFAULT_FORMAT

Constants included from MappedFiles

MappedFiles::HAS_XATTR

Instance Attribute Summary collapse

Attributes included from MappedFiles

#accounting

FUSE Callbacks collapse

Instance Method Summary collapse

Methods included from Utils

#directory?, #empty_dir?, #empty_file?, #exists?, #file?, #mkdir_p, #stat

Methods included from Adapter::Debug

debug, #debug?, debug_callback, #debug_config, debug_error, debug_format, error_message

Methods included from Adapter::Safe

#default_errno, safe_callback

Methods included from MappedFiles

#getattr, #getxattr, #listxattr, #open, #read, #read_buf, #stat_mask, #statfs, #truncate, #unlink, #utimens, #write, #write_buf

Instance Attribute Details

#base_dir ⇒ String

Returns The base directory.

Returns:

  • (String) —

    The base directory



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# File 'lib/ffi/libfuse/filesystem/pass_through_dir.rb', line 15

def base_dir
  @base_dir
end

Instance Method Details

#create(path, perms = 0o644, ffi = nil) ⇒ Object

Creates the File at #map_path(path)



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# File 'lib/ffi/libfuse/filesystem/pass_through_dir.rb', line 41

def create(path, perms = 0o644, ffi = nil)
  File.open(map_path(path), ffi&.flags, perms)
end

#map_path(path) ⇒ String

Returns #base_dir + path.

Returns:



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# File 'lib/ffi/libfuse/filesystem/pass_through_dir.rb', line 48

def map_path(path)
  root?(path) ? @base_dir : "#{@base_dir}#{path}"
end

#mkdir(path, mode) ⇒ Object

Creates the directory at #map_path(path)



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# File 'lib/ffi/libfuse/filesystem/pass_through_dir.rb', line 33

def mkdir(path, mode)
  return Dir.mkdir(map_path(path), mode) unless root?(path)

  accounting&.adjust(0, +1)
  self
end

#opendir(path, _ffi) ⇒ Dir

Returns the directory at #map_path(path).

Returns:



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# File 'lib/ffi/libfuse/filesystem/pass_through_dir.rb', line 20

def opendir(path, _ffi)
  Dir.new(map_path(path))
end

#rmdir(path) ⇒ Object

Removes the directory at #map_path(path)



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# File 'lib/ffi/libfuse/filesystem/pass_through_dir.rb', line 25

def rmdir(path)
  return Dir.rmdir(map_path(path)) unless root?(path)

  accounting&.adjust(0, -1) if root?(path)
  self
end