do_status (Net::SFTP::Operations::Write)

    # File lib/net/sftp/operations/write.rb, line 44
        def do_status( code, message, language )
          if code == FX_OK
            @log.debug "[#{@id}] chunk written" if @log.debug?
            @pos += CHUNK_SIZE

            if @pos > @data.length
              @callback[ OK ]
              return
            end

            @driver.write @id, @handle, @offset + @pos, @data[@pos,CHUNK_SIZE]
            @session.register @id, self
          else
            super
          end
        end