Class: IPAddr

Inherits:
Object
  • Object
show all
Defined in:
lib/theusual/ipaddr.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.new(addr = '::', family = Socket::AF_UNSPEC) ⇒ Object

eg. 8.8.8 => 8.8.8.0/24



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# File 'lib/theusual/ipaddr.rb', line 4

def new(addr = '::', family = Socket::AF_UNSPEC)
  # already an IPAddr, so simply return a clone
  return addr.clone if addr.is_a? IPAddr

  addr ||= '::'
  if addr == '::'
    family = Socket::AF_INET6
  elsif !addr.inspect.include? '/'
    addr = addr.to_s
    count = addr.split('.').count
    if (1..3).include? count
      # given a shortened addr...kindly reformat
      addr = case count
      when 3
        addr + '.0/24'
      when 2
        addr + '.0.0/16'
      when 1
        addr + '.0.0.0/8'
      end
    end
  end

  super addr, family
end

Instance Method Details

#short(size = nil) ⇒ Object

eg. 8.8.8.8/24 => 8.8.8



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# File 'lib/theusual/ipaddr.rb', line 33

def short(size = nil)
  if ipv4?
    unless size
      mask = inspect.split('/')[1].chomp('>')
      size = 8 * mask.split('.').select {|x| x == '255'}.count
    end

    case size
    when 32
      to_s
    when 24
      to_s.split('.').first(3).join('.')
    when 16
      to_s.split('.').first(2).join('.')
    when 8
      to_s.split('.').first
    else
      to_s
    end
  end
end