Class: DRbFileClient

Inherits:
Object
  • Object
show all
Defined in:
lib/drb_fileclient.rb

Instance Method Summary collapse

Constructor Details

#initialize(location = nil, host: nil, port: '61010', debug: false) ⇒ DRbFileClient

Returns a new instance of DRbFileClient.



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# File 'lib/drb_fileclient.rb', line 13

def initialize(location=nil, host: nil, port: '61010', debug: false)

  @debug = debug

  if location then

    host = location[/(?<=^dfs:\/\/)[^\/:]+/]
    port = location[/(?<=^dfs:\/\/)[^:]+:(\d+)/,1]  || '61010'
    @directory = location[/(?<=^dfs:\/\/)[^\/]+\/(.*)/,1]

  end

  DRb.start_service

end

Instance Method Details

#chdir(raw_path) ⇒ Object 



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# File 'lib/drb_fileclient.rb', line 29

def chdir(raw_path)

  return Dir.chdir raw_path unless @directory or raw_path =~ /^dfs:\/\//

  if raw_path[0] == '/'  then
    directory = raw_path[1..-1]
  elsif raw_path =~ /^dfs:\/\//
    @file, directory = parse_path(raw_path)
  else
    directory = File.join(@directory, raw_path)
  end

  if @file.exists? directory then
    @directory = directory
  else
    'No such file or directory'
  end

end

#chmod(permissions, raw_path) ⇒ Object 



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# File 'lib/drb_fileclient.rb', line 49

def chmod(permissions, raw_path)

  if raw_path =~ /^dfs:\/\// then

    @file, path = parse_path(raw_path)
    @file.chmod permissions, path

  else
    return FileUtils.chmod(permissions, raw_path)
  end
end

#cp(raw_path, raw_path2) ⇒ Object 



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# File 'lib/drb_fileclient.rb', line 61

def cp(raw_path, raw_path2)

  puts 'inside cp'.info if @debug

  if raw_path =~ /^dfs:\/\// then

    if @debug then
      puts ('raw_path: ' + raw_path.inspect).debug
      puts ('raw_path2: ' + raw_path2.inspect).debug
    end

    if raw_path[/^dfs:\/\/([^\/]+)/] == raw_path2[/^dfs:\/\/([^\/]+)/] then

      _, path = parse_path(raw_path)
      @file, path2 = parse_path(raw_path2)
      @file.cp path, path2

    elsif raw_path2[/^dfs:\/\//]

      @file, path = parse_path(raw_path)
      file2, path2 = parse_path(raw_path2)
      puts ('path: ' + path.inspect).debug if @debug
      puts ('path2: ' + path.inspect).debug if @debug
      content = @file.read path

      file2.write path2, content

    else

      @file, path = parse_path(raw_path)
      #file2, path2 = parse_path(raw_path2)
      puts ('path: ' + path.inspect).debug if @debug
      puts ('path2: ' + path2.inspect).debug if @debug
      content = @file.read path

      File.write raw_path2, content

    end

  elsif raw_path2 =~ /dfs:\/\// then

    puts 'option2'.info if @debug

    file2, path2 = parse_path(raw_path2)
    puts ('path2: ' + path2.inspect).debug if @debug
    file2.write path2, File.read(raw_path)

  else

    puts 'option3'.info if @debug
    FileUtils.cp raw_path, raw_path2

  end

end

#directory?(filename = @filename) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/drb_fileclient.rb', line 117

def directory?(filename=@filename)

  return File.directory? filename unless @directory or filename =~ /^dfs:\/\//

  if filename =~ /^dfs:\/\// then
    @file, filename2 = parse_path(filename)
  else

    filename2 = File.join(@directory, filename)
  end

  @file.directory?(filename2)

end

#exists?(filename = @filename) ⇒ Boolean Also known as: exist?

Returns:

  • (Boolean) 


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# File 'lib/drb_fileclient.rb', line 132

def exists?(filename=@filename)

  return File.exists? filename unless @directory or filename =~ /^dfs:\/\//

  if filename =~ /^dfs:\/\// then
    @file, filename2 = parse_path(filename)
  else

    filename2 = File.join(@directory, filename)
  end

  @file.exists?(filename2)

end

#glob(s) ⇒ Object 



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# File 'lib/drb_fileclient.rb', line 149

def glob(s)

  if s =~ /^dfs:\/\// then
    @file, s2 = parse_path(s)
  else
    s2 = File.join(@directory, s)
  end

  @file.glob s2

end

#ls(raw_path) ⇒ Object 



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# File 'lib/drb_fileclient.rb', line 161

def ls(raw_path)

  return Dir[raw_path] unless @directory or raw_path =~ /^dfs:\/\//

  if raw_path[0] == '/'  then
    path = raw_path[1..-1]
  elsif raw_path =~ /^dfs:\/\//
    @file, path = parse_path(raw_path)
  else
    path = File.join(@directory, raw_path)
  end

  @file.ls path

end

#mkdir(name) ⇒ Object 



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# File 'lib/drb_fileclient.rb', line 177

def mkdir(name)

  return FileUtils.mkdir name unless @directory or name =~ /^dfs:\/\//

  @file, path = parse_path(name)
  @file.mkdir path
end

#mkdir_p(raw_path) ⇒ Object 



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# File 'lib/drb_fileclient.rb', line 185

def mkdir_p(raw_path)

  unless @directory or raw_path =~ /^dfs:\/\// then
    return FileUtils.mkdir_p raw_path
  end

  if raw_path =~ /^dfs:\/\// then
    @file, filepath = parse_path(raw_path)
  else
    filepath = File.join(@directory, raw_path)
  end

  @file.mkdir_p filepath
end

#mv(raw_path, raw_path2) ⇒ Object 



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# File 'lib/drb_fileclient.rb', line 200

def mv(raw_path, raw_path2)

  unless @directory or raw_path =~ /^dfs:\/\// then
    return FileUtils.mv raw_path, raw_path2
  end

  if raw_path =~ /^dfs:\/\// then
    _, path = parse_path(raw_path)
  else
    path = File.join(@directory, raw_path)
  end

  if raw_path2 =~ /^dfs:\/\// then
    _, path2 = parse_path(raw_path2)
  else
    path2 = File.join(@directory, raw_path2)
  end

  @file.mv path, path2
end

#pwd ⇒ Object 



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# File 'lib/drb_fileclient.rb', line 221

def pwd()

  return Dir.pwd unless @directory

  '/' + @directory if @file

end

#read(filename = @filename) ⇒ Object 



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# File 'lib/drb_fileclient.rb', line 229

def read(filename=@filename)

  return File.read filename, s unless @directory or filename =~ /^dfs:\/\//

  if filename =~ /^dfs:\/\// then
    @file, path = parse_path(filename)
  else
    path = File.join(@directory, filename)
  end

  @file.read path
end

#rm(path) ⇒ Object 



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# File 'lib/drb_fileclient.rb', line 242

def rm(path)

  return FileUtils.rm path unless @directory or path =~ /^dfs:\/\//

  if path =~ /^dfs:\/\// then
    @file, path2 = parse_path( path)
  else
    path2 = File.join(@directory, path)
  end

  @file.rm  path2

end

#rm_r(path, force: false) ⇒ Object 



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# File 'lib/drb_fileclient.rb', line 256

def rm_r(path, force: false)

  unless @directory or path =~ /^dfs:\/\// then
    return FileUtils.rm_r(path, force: force)
  end

  if path =~ /^dfs:\/\// then
    @file, path2 = parse_path( path)
  else
    path2 = File.join(@directory, path)
  end

  @file.rm_r(path2, force: force)

end

#touch(s, mtime: Time.now) ⇒ Object 



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# File 'lib/drb_fileclient.rb', line 272

def touch(s, mtime: Time.now)

  unless @directory or s =~ /^dfs:\/\// then
    return FileUtils.touch(s, mtime: mtime)
  end

  if s =~ /^dfs:\/\// then
    @file, s2 = parse_path(s)
  else
    s2 = File.join(@directory, s)
  end

  @file.touch s2, mtime: mtime

end

#write(filename = @filename, s) ⇒ Object 



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# File 'lib/drb_fileclient.rb', line 288

def write(filename=@filename, s)

  return File.write filename, s unless @directory or filename =~ /^dfs:\/\//

  if filename =~ /^dfs:\/\// then
    @file, path = parse_path(filename)
  else
    path = File.join(@directory, filename)
  end

  @file.write path, s

end

#zip(filename_zip, a) ⇒ Object 



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# File 'lib/drb_fileclient.rb', line 302

def zip(filename_zip, a)

  puts '@directory: ' + @directory.inspect if @debug

  unless @directory or filename_zip =~ /^dfs:\/\// then

    Zip::File.open(zipfile_zip, Zip::File::CREATE) do |x|

      a.each do |filename, buffer|
        x.get_output_stream(filename) {|os| os.write buffer }
      end

    end

  end

  if filename_zip =~ /^dfs:\/\// then
    @file, filepath = parse_path(filename_zip)
  else
    filepath = File.join(@directory, filename_zip)
  end

  @file.zip filepath, a

end