Class: Aspera::Fasp::AgentConnect

Inherits:
AgentBase
  • Object
show all
Defined in:
lib/aspera/fasp/agent_connect.rb

Constant Summary

Constants inherited from AgentBase

Aspera::Fasp::AgentBase::LISTENER_SESSION_ID_B, Aspera::Fasp::AgentBase::LISTENER_SESSION_ID_S

Instance Method Summary collapse

Methods inherited from AgentBase

#add_listener, validate_status_list

Constructor Details

#initialize(_options) ⇒ AgentConnect 



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# File 'lib/aspera/fasp/agent_connect.rb', line 17

def initialize(_options)
  super()
  @connect_settings = {
    'app_id' => SecureRandom.uuid
  }
  raise 'Using connect requires a graphical environment' if !OpenApplication.default_gui_mode.eql?(:graphical)
  method_index = 0
  begin
    connect_url = Installation.instance.connect_uri
    Log.log.debug{"found: #{connect_url}"}
    @connect_api = Rest.new({base_url: "#{connect_url}/v5/connect", headers: {'Origin' => Rest.user_agent}}) # could use v6 also now
    connect_info = @connect_api.read('info/version')[:data]
    Log.log.info('Connect was reached') if method_index > 0
    Log.dump(:connect_version, connect_info)
  rescue StandardError => e # Errno::ECONNREFUSED
    start_url = CONNECT_START_URIS[method_index]
    method_index += 1
    raise StandardError, "Unable to start connect #{method_index} times" if start_url.nil?
    Log.log.warn{"Aspera Connect is not started (#{e}). Trying to start it ##{method_index}..."}
    if !OpenApplication.uri_graphical(start_url)
      OpenApplication.uri_graphical('https://downloads.asperasoft.com/connect2/')
      raise StandardError, 'Connect is not installed'
    end
    sleep(SLEEP_SEC_BETWEEN_RETRY)
    retry
  end
end

Instance Method Details

#start_transfer(transfer_spec, token_regenerator: nil) ⇒ Object 



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# File 'lib/aspera/fasp/agent_connect.rb', line 45

def start_transfer(transfer_spec, token_regenerator: nil)
  if transfer_spec['direction'] == 'send'
    Log.log.warn{"Connect requires upload selection using GUI, ignoring #{transfer_spec['paths']}".red}
    transfer_spec.delete('paths')
    selection = @connect_api.create('windows/select-open-file-dialog/', {
      'aspera_connect_settings' => @connect_settings,
      'title'                   => 'Select Files',
      'suggestedName'           => '',
      'allowMultipleSelection'  => true,
      'allowedFileTypes'        => ''})[:data]
    transfer_spec['paths'] = selection['dataTransfer']['files'].map { |i| {'source' => i['name']}}
  end
  @request_id = SecureRandom.uuid
  # if there is a token, we ask connect client to use well known ssh private keys
  # instead of asking password
  transfer_spec['authentication'] = 'token' if transfer_spec.key?('token')
  connect_transfer_args = {
    'aspera_connect_settings' => @connect_settings.merge({
      'request_id'    => @request_id,
      'allow_dialogs' => true
    }),
    'transfer_specs'          => [{
      'transfer_spec' => transfer_spec
    }]}
  # asynchronous anyway
  res = @connect_api.create('transfers/start', connect_transfer_args)[:data]
  @xfer_id = res['transfer_specs'].first['transfer_spec']['tags'][Fasp::TransferSpec::TAG_RESERVED]['xfer_id']
end

#wait_for_transfers_completion ⇒ Object 



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# File 'lib/aspera/fasp/agent_connect.rb', line 74

def wait_for_transfers_completion
  connect_activity_args = {'aspera_connect_settings' => @connect_settings}
  started = false
   = nil
  begin
    loop do
      tr_info = @connect_api.create("transfers/info/#{@xfer_id}", connect_activity_args)[:data]
      if tr_info['transfer_info'].is_a?(Hash)
        transfer = tr_info['transfer_info']
        if transfer.nil?
          Log.log.warn('no session in Connect')
          break
        end
        # TODO: get session id
        case transfer['status']
        when 'completed'
          notify_end(@connect_settings['app_id'])
          break
        when 'initiating', 'queued'
          if .nil?
             = TTY::Spinner.new('[:spinner] :title', format: :classic)
            .start
          end
          .update(title: transfer['status'])
          .spin
        when 'running'
          # puts "running: sessions:#{transfer['sessions'].length}, #{transfer['sessions'].map{|i| i['bytes_transferred']}.join(',')}"
          if !started && (transfer['bytes_expected'] != 0)
            &.success
            notify_begin(@connect_settings['app_id'], transfer['bytes_expected'])
            started = true
          else
            notify_progress(@connect_settings['app_id'], transfer['bytes_written'])
          end
        when 'failed'
          &.error
          raise Fasp::Error, transfer['error_desc']
        when 'cancelled'
          &.error
          raise Fasp::Error, 'Transfer cancelled by user'
        else
          raise Fasp::Error, "unknown status: #{transfer['status']}: #{transfer['error_desc']}"
        end
      end
      sleep(1)
    end
  rescue StandardError => e
    return [e]
  end
  return [:success]
end