Class: Fog::UUID

Inherits:
Object
  • Object
show all
Defined in:
lib/fog/core/uuid.rb

Class Method Summary collapse

Class Method Details

.supported? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/fog/core/uuid.rb', line 18

def supported?
  SecureRandom.respond_to?(:uuid)
end

.uuid ⇒ Object 



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# File 'lib/fog/core/uuid.rb', line 7

def uuid
  if supported?
    SecureRandom.uuid
  else
    ary = SecureRandom.random_bytes(16).unpack("NnnnnN")
    ary[2] = (ary[2] & 0x0fff) | 0x4000
    ary[3] = (ary[3] & 0x3fff) | 0x8000
    "%08x-%04x-%04x-%04x-%04x%08x" % ary
  end
end