Module: DRbQS::Temporary

Defined in:
lib/drbqs/utility/temporary.rb

Class Method Summary collapse

Class Method Details

.delete ⇒ Object

Delete all temporary directory.



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# File 'lib/drbqs/utility/temporary.rb', line 57

def self.delete
  if @root
    FileUtils.rm_r(@root)
    @pid = nil
    @root = nil
    @filename = nil
  end
end

.directory ⇒ Object

Create new temporary directory and return the path of directory.



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# File 'lib/drbqs/utility/temporary.rb', line 42

def self.directory
  filename.create(:add => :always, :directory => :self)
end

.file(basename = nil) ⇒ Object

Return new path of temporary file.

Parameters:

  • basename (String) (defaults to: nil) —

    Set the basename of created filename



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# File 'lib/drbqs/utility/temporary.rb', line 48

def self.file(basename = nil)
  if basename
    File.join(self.directory, basename)
  else
    filename.create(:add => :always, :directory => :parent)
  end
end

.filename ⇒ Object

Return FileName object to generate names of temporary files on DRbQS nodes.



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# File 'lib/drbqs/utility/temporary.rb', line 30

def self.filename
  unless @filename
    if @subdir
      @filename = FileName.new(File.join(@subdir, sprintf("temp_%d", rand(10000))))
    else
      @filename = FileName.new(File.join(self.root, sprintf("temp_%d", rand(10000))))
    end
  end
  @filename
end

.root ⇒ Object

Return root of temporary directory.



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# File 'lib/drbqs/utility/temporary.rb', line 11

def self.root
  if @pid != Process.pid
    @pid = Process.pid
    @root = File.join(Dir.tmpdir, sprintf("drbqs_%s_%d_%d", ENV['USER'], @pid, rand(10000)))
    FileUtils.mkdir_p(@root, :mode => 0700)
  end
  @root
end

.set_sub_directory(dir) ⇒ Object 



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# File 'lib/drbqs/utility/temporary.rb', line 20

def self.set_sub_directory(dir)
  @filename = nil
  @subdir = File.join(self.root, dir)
end

.socket_path ⇒ Object 



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# File 'lib/drbqs/utility/temporary.rb', line 66

def self.socket_path
  FileName.create(self.root, "socket", :add => :always, :type => :time)
end

.subdirectory ⇒ Object 



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# File 'lib/drbqs/utility/temporary.rb', line 25

def self.subdirectory
  @subdir && File.exist?(@subdir) ? @subdir : nil
end