module EasyIO::Disk
Constants
- GetDiskFreeSpaceEx
Public Instance Methods
_cross_domain_entry_copy(source_entry, destination_entry, source_credentials: nil, destination_credentials: nil)
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# File lib/easy_io/disk.rb, line 93 def _cross_domain_entry_copy(source_entry, destination_entry, source_credentials: nil, destination_credentials: nil) source_credentials ||= :current_user destination_credentials ||= :current_user # TODO: loop and read to async buffer and write as it goes if source_credentials == :current_user # TODO: read to memeory else Process.create(command_line: ?, domain: source_credentials['domain'], with_logon: source_credentials['user_name'], password: source_credentials['password']) # TODO: read to memory end if destination_credentials == :current_user # TODO: write from memory else Process.create(etc) # TODO: write from memory end end
cross_domain_copy(source_folder, destination_folder, source_credentials: nil, destination_credentials: nil, file_filter: '*')
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When credentials are nil, the current user will be used
# File lib/easy_io/disk.rb, line 85 def cross_domain_copy(source_folder, destination_folder, source_credentials: nil, destination_credentials: nil, file_filter: '*') # require 'win32/process' Dir.glob("#{source_folder}/#{file_filter}").each do |source_entry| destination_entry = source_entry.sub(source_folder, destination_folder) _cross_domain_entry_copy(source_entry, destination_entry, source_credentials: source_credentials, destination_credentials: destination_credentials) end end
free_space(path)
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# File lib/easy_io/disk.rb, line 9 def free_space(path) raise 'Cannot check free space for path provided. Path is empty or nil.' if path.nil? || path.empty? || path == 'null' root_folder = root_directory(path) raise "Cannot check free space for #{path} - The path was not found." if root_folder.nil? || root_folder.empty? root_folder = EasyFormat::Directory.ensure_trailing_slash(root_folder) free = [0].pack('Q') GetDiskFreeSpaceEx.call(root_folder, 0, 0, free) free = free.unpack1('Q') (free / 1024.0 / 1024.0).round(2) end
move_files(search_string, destination_folder)
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# File lib/easy_io/disk.rb, line 37 def move_files(search_string, destination_folder) files = Dir.glob(search_string.tr('\\', '/')) FileUtils.mkdir_p destination_folder unless ::File.directory? destination_folder FileUtils.move(files, destination_folder) { true } end
open_file_and_wait_for_exclusive_lock(path, timeout: 60, status_interval: 15, silent: false) { |file| ... }
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Opens a file in the filesystem and locks it exclusively. If it fails, it will keep trying until the timeout. Pass a block to be executed while the file is locked. The ::File object is passed to the block.
# File lib/easy_io/disk.rb, line 62 def open_file_and_wait_for_exclusive_lock(path, timeout: 60, status_interval: 15, silent: false) start_time = Time.now raise "Cannot create #{::File.basename(path)} - the parent directory does not exist (#{::File.dirname(path)})!" unless ::File.directory?(::File.dirname(path)) ::File.open(path, ::File::RDWR | ::File::CREAT) do |file| loop do if Time.now >= start_time + timeout # locking timed out. file.close raise "Failed to gain exclusive lock on #{path}! Timed out after #{timeout} seconds." end lock_success = file.flock(File::LOCK_EX | File::LOCK_NB) if lock_success yield(file) if block_given? file.close break end seconds_elapsed = Time.now - start_time EasyIO.logger.info "Waiting for another process to unlock #{path}... Time elapsed: #{seconds_elapsed}" if seconds_elapsed % status_interval == 0 && !silent # Output status every (status_interval) seconds sleep(1) end end end
read_files(search_string)
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# File lib/easy_io/disk.rb, line 43 def read_files(search_string) files = Dir.glob(search_string.tr('\\', '/')) files.map { |file| ::File.read(file) } end
root_directory(path)
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Gets the root directory of a path. Local and UNC paths accepted
# File lib/easy_io/disk.rb, line 49 def root_directory(path) computed_path = path computed_path = File.dirname(computed_path) while computed_path != File.dirname(computed_path) computed_path end
size(path)
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# File lib/easy_io/disk.rb, line 23 def size(path) raise 'Cannot check free space for path provided. Path is empty or nil.' if path.nil? || path.empty? || path == 'null' root_folder = root_directory(path) raise "Cannot check free space for #{path} - The path was not found." if root_folder.nil? || root_folder.empty? root_folder = EasyFormat::Directory.ensure_trailing_slash(root_folder) total = [0].pack('Q') GetDiskFreeSpaceEx.call(root_folder, 0, total, 0) total = total.unpack1('Q') (total / 1024.0 / 1024.0).round(2) end
valid_checksum?(file, sha256_checksum)
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# File lib/easy_io/disk.rb, line 55 def valid_checksum?(file, sha256_checksum) return false if sha256_checksum.nil? || !::File.exist?(file) Digest::SHA256.file(file).hexdigest.downcase == sha256_checksum.downcase end