class Aspera::TempFileManager
create a temp file name for a given folder files can be deleted on process exit by calling cleanup
Constants
- FILE_LIST_AGE_MAX_SEC
assume no transfer last longer than this (garbage collect file list which were not deleted after transfer)
- SEC_IN_DAY
Public Class Methods
new()
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# File lib/aspera/temp_file_manager.rb, line 15 def initialize @created_files=[] end
Public Instance Methods
cleanup()
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call this on process exit
# File lib/aspera/temp_file_manager.rb, line 20 def cleanup @created_files.each do |filepath| File.delete(filepath) if File.file?(filepath) end @created_files=[] end
cleanup_expired(temp_folder)
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# File lib/aspera/temp_file_manager.rb, line 42 def cleanup_expired(temp_folder) # garbage collect undeleted files Dir.entries(temp_folder).each do |name| file_path=File.join(temp_folder,name) age_sec=(Time.now - File.stat(file_path).mtime).to_i # check age of file, delete too old if File.file?(file_path) and age_sec > FILE_LIST_AGE_MAX_SEC Log.log.debug("garbage collecting #{name}") File.delete(file_path) end end end
new_file_path_global(base_name)
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same as above but in global temp folder
# File lib/aspera/temp_file_manager.rb, line 37 def new_file_path_global(base_name) username = Etc.getlogin || Etc.getpwuid(Process.uid).name || 'unknown_user' rescue 'unknown_user' return new_file_path_in_folder(Etc.systmpdir,base_name+'_'+username+'_') end
new_file_path_in_folder(temp_folder,add_base='')
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ensure that provided folder exists, or create it, generate a unique filename @return path to that unique file
# File lib/aspera/temp_file_manager.rb, line 29 def new_file_path_in_folder(temp_folder,add_base='') FileUtils.mkdir_p(temp_folder) unless Dir.exist?(temp_folder) new_file=File.join(temp_folder,add_base+SecureRandom.uuid) @created_files.push(new_file) return new_file end