Class: Aspera::Cli::TransferProgress

Inherits:
Object
  • Object
show all
Defined in:
lib/aspera/cli/transfer_progress.rb

Overview

progress bar for transfers, supports multi-session

Instance Method Summary collapse

Constructor Details

#initializeTransferProgress

Returns a new instance of TransferProgress.



11
12
13
# File 'lib/aspera/cli/transfer_progress.rb', line 11

def initialize
  reset
end

Instance Method Details

#event(session_id:, type:, info: nil) ⇒ Object



27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
# File 'lib/aspera/cli/transfer_progress.rb', line 27

def event(session_id:, type:, info: nil)
  Log.log.trace1{"progress: #{type} #{session_id} #{info}"}
  Aspera.assert(!session_id.nil? || type.eql?(:pre_start)){'session_id is nil'}
  return if @completed
  if @progress_bar.nil?
    @progress_bar = ProgressBar.create(
      format:      '%t %a %B %p%% %r Mbps %E',
      rate_scale:  lambda{|rate|rate / Environment::BYTES_PER_MEBIBIT},
      title:       '',
      total:       nil)
  end
  need_increment = true
  case type
  when :pre_start
    @title = info
  when :session_start
    raise "Session #{session_id} already started" if @sessions[session_id]
    @sessions[session_id] = {
      job_size: 0, # total size of transfer (pre-calc)
      current:  0
    }
    @title = ''
  when :session_size
    @sessions[session_id][:job_size] = info.to_i
    current_total = total(:job_size)
    @progress_bar.total = current_total unless current_total.eql?(@progress_bar.total) || current_total < @progress_bar.progress
  when :transfer
    if !@progress_bar.total.nil?
      need_increment = false
      @sessions[session_id][:current] = info.to_i
      current_total = total(:current)
      @progress_bar.progress = current_total unless @progress_bar.progress.eql?(current_total)
    end
  when :end
    @title = ''
    @completed = true
    @progress_bar.finish
  else
    raise "Unknown event type #{type}"
  end
  new_title = @sessions.length < 2 ? @title : "[#{@sessions.length}] #{@title}"
  @progress_bar.title = new_title unless @progress_bar.title.eql?(new_title)
  @progress_bar.increment if need_increment && !@completed
end

#resetObject



15
16
17
18
19
20
21
# File 'lib/aspera/cli/transfer_progress.rb', line 15

def reset
  @progress_bar = nil
  # key is session id
  @sessions = {}
  @completed = false
  @title = ''
end

#total(key) ⇒ Object



23
24
25
# File 'lib/aspera/cli/transfer_progress.rb', line 23

def total(key)
  @sessions.values.inject(0){|m, s|m + s[key]}
end