Class: Ouidb::MacRange

Inherits:
Object
  • Object
show all
Defined in:
lib/ouidb/mac_range.rb

Direct Known Subclasses

Range24, Range36

Defined Under Namespace

Classes: Range24, Range36

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(addr, manufacturer) ⇒ MacRange

Returns a new instance of MacRange.

Raises:

  • (NotImplementedError) 


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# File 'lib/ouidb/mac_range.rb', line 37

def initialize(addr, manufacturer)
  raise NotImplementedError if self.class == MacRange # Must be called on a subclass
  @addr         = addr
  @manufacturer = manufacturer
end

Instance Attribute Details

#manufacturer ⇒ Object (readonly)

Returns the value of attribute manufacturer.



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# File 'lib/ouidb/mac_range.rb', line 35

def manufacturer
  @manufacturer
end

Class Method Details

.[](addr) ⇒ Object 



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# File 'lib/ouidb/mac_range.rb', line 9

def [](addr)
  if self == MacRange
    Range36[addr] || Range24[addr]
  else
    all[str_to_int(addr)]
  end
end

.all ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/ouidb/mac_range.rb', line 17

def all
  raise NotImplementedError if self == MacRange # Must be called on a subclass
  @all ||= {}
end

.find_or_create(addr, manufacturer = nil) ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/ouidb/mac_range.rb', line 22

def find_or_create(addr, manufacturer = nil)
  raise NotImplementedError if self == MacRange # Must be called on a subclass
  addr      = str_to_int(addr)
  all[addr] ||= new(addr, manufacturer)
end

.new_by_number(addr, manufacturer) ⇒ Object 



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# File 'lib/ouidb/mac_range.rb', line 28

def new_by_number(addr, manufacturer)
  klass           = addr < 0 ? Range36 : Range24
  addr            = addr.abs
  klass.all[addr] = klass.new(addr, manufacturer)
end

.str_to_int(str) ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/ouidb/mac_range.rb', line 4

def str_to_int(str)
  raise NotImplementedError if self == MacRange # Must be called on a subclass
  str.gsub(/[^a-f\d]/i, '')[0...(self::SIZE / 4)].to_i(16)
end

Instance Method Details

#as_json ⇒ Object 



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# File 'lib/ouidb/mac_range.rb', line 48

def as_json
  @addr
end

#inspect ⇒ Object 



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# File 'lib/ouidb/mac_range.rb', line 52

def inspect
  "#<Range#{self.class::SIZE} #{to_s}>"
end

#to_s ⇒ Object 



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# File 'lib/ouidb/mac_range.rb', line 43

def to_s
  size = self.class::SIZE
  @addr.to_s(16).rjust(size / 4, '0').ljust(12, '0').chars.each_slice(2).map(&:join).join(':') << '/' << size.to_s << ' ' << manufacturer.to_s
end