Class: MacAddressEui48::MacAddress

Inherits:
Object
  • Object
show all
Includes:
Comparable
Defined in:
lib/mac_address_eui48/mac_address.rb

Instance Method Summary collapse

Constructor Details

#initialize(arg) ⇒ MacAddress 



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# File 'lib/mac_address_eui48/mac_address.rb', line 9

def initialize(arg)
  case arg
  when MacAddress
    @val = arg.to_i
  when Integer 
    @val = arg
  when String
    # String value must be provided as hex char separated by ':'
    if (MacAddressEui48::is_valid_mac(arg)) then 
      @mac_str=arg
      @val=MacAddressEui48::str_mac_to_int(arg)
    else
      raise "Wrong format for string mac address #{arg}"
    end
  else
    raise "Incompatible type for MacAddress Initialization: #{arg.class}"
  end
end

Instance Method Details

#<=>(other) ⇒ Object 



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# File 'lib/mac_address_eui48/mac_address.rb', line 32

def <=>(other)
  self.to_i <=> other.to_i
end

#is_broadcast ⇒ Object 



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# File 'lib/mac_address_eui48/mac_address.rb', line 40

def is_broadcast
  #self.to_s ==  "FF:FF:FF:FF:FF:FF"
  @val == 2**48-1
end

#is_glob_uniq ⇒ Object 



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# File 'lib/mac_address_eui48/mac_address.rb', line 54

def is_glob_uniq
  !is_loc_admin
end

#is_loc_admin ⇒ Object 



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# File 'lib/mac_address_eui48/mac_address.rb', line 58

def is_loc_admin
  mask = 2 << (5*8)
  (mask & @val) !=0 
end

#is_multicast ⇒ Object 



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# File 'lib/mac_address_eui48/mac_address.rb', line 49

def is_multicast
  mask = 1 << (5*8)
  (mask & @val) !=0
end

#is_unicast ⇒ Object 



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# File 'lib/mac_address_eui48/mac_address.rb', line 45

def is_unicast
  !is_multicast
end

#next ⇒ Object Also known as: succ 



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# File 'lib/mac_address_eui48/mac_address.rb', line 63

def next
  return MacAddress.new(((self.to_i) +1)%2**48)
end

#to_i ⇒ Object 



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# File 'lib/mac_address_eui48/mac_address.rb', line 28

def to_i
  @val
end

#to_s(sep = ':') ⇒ Object 



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# File 'lib/mac_address_eui48/mac_address.rb', line 36

def to_s(sep=':')
  MacAddressEui48::int_to_str_mac(@val,sep).upcase
end