Class: Pio::PortNumber

Inherits:
BinData::Primitive
  • Object
show all
Defined in:
lib/pio/open_flow/port_number.rb

Overview

Port numbering.

Constant Summary collapse

NUMBERS = 
{
  in_port: 0xfff8,
  table: 0xfff9,
  normal: 0xfffa,
  flood: 0xfffb,
  all: 0xfffc,
  controller: 0xfffd,
  local: 0xfffe,
  none: 0xffff
}
MAX = 
0xff00

Instance Method Summary collapse

Instance Method Details

#get ⇒ Object 



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# File 'lib/pio/open_flow/port_number.rb', line 20

def get
  NUMBERS.invert.fetch(port_number)
rescue KeyError
  port_number
end

#set(value) ⇒ Object 



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# File 'lib/pio/open_flow/port_number.rb', line 26

def set(value)
  if NUMBERS.key?(value)
    self.port_number = NUMBERS.fetch(value)
  else
    port_number = value.to_i
    fail ArgumentError, 'The port_number should be > 0' if port_number < 1
    if port_number >= MAX
      fail ArgumentError, 'The port_number should be < 0xff00'
    end
    self.port_number = port_number
  end
end