Class: VpsAdmin::CLI::Commands::NetworkTop

Inherits:
HaveAPI::CLI::Command
  • Object
show all
Includes:
Curses
Defined in:
lib/vpsadmin/cli/commands/network_top.rb

Constant Summary collapse

REFRESH_RATE = 
10
FILTERS = 
%i[limit user environment location node vps network_interface].freeze

Instance Method Summary collapse

Instance Method Details

#exec(_args) ⇒ Object 



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# File 'lib/vpsadmin/cli/commands/network_top.rb', line 34

def exec(_args)
  if @global_opts[:list_output]
    exclude = %i[id network_interface updated_at delta]

    @api.network_interface_monitor.actions[:index].params.each_key do |name|
      next if exclude.include?(name)

      puts name
    end

    exit
  end

  set_global_opts
  init_screen
  start_color
  crmode
  stdscr.keypad = true
  curs_set(0) # hide cursor
  use_default_colors

  init_pair(1, COLOR_BLACK, COLOR_WHITE)
  last = nil

  loop do
    now = Time.now

    if @refresh || last.nil? || (now - last) >= REFRESH_RATE
      @refresh = false
      render(now, true)
      last = Time.now
      self.timeout = REFRESH_RATE * 1000

    else
      render(last, false)
      self.timeout = (REFRESH_RATE - (now - last)) * 1000
    end

    case getch
    when 'q'
      break

    when Key::LEFT
      clear
      sort_next(-1)

    when Key::RIGHT
      clear
      sort_next(+1)

    when Key::UP, Key::DOWN
      clear
      sort_inverse

    when Key::RESIZE
      clear
    end
  end
rescue Interrupt
  # break loop and exit
ensure
  close_screen
end

#options(opts) ⇒ Object 



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# File 'lib/vpsadmin/cli/commands/network_top.rb', line 14

def options(opts)
  @opts = {
    unit: :bits
  }

  opts.on('--unit UNIT', %w[bytes bits], 'Select data unit (bytes or bits)') do |v|
    @opts[:unit] = v.to_sym
  end

  opts.on('--limit LIMIT', Integer, 'Number of IP addresses to monitor') do |v|
    @opts[:limit] = v
  end

  (FILTERS - %i[limit]).each do |f|
    opts.on("--#{f.to_s.gsub('_', '-')} ID", Integer, "Filter network interfaces by #{f}") do |v|
      @opts[f] = v
    end
  end
end