Class: ForemanProbingCore::NeighbourCache

Inherits:
Object
  • Object
show all
Defined in:
lib/foreman_probing_core/neighbour_cache.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ NeighbourCache

Returns a new instance of NeighbourCache.



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# File 'lib/foreman_probing_core/neighbour_cache.rb', line 3

def initialize
  @cache = []
end

Instance Method Details

#cache! ⇒ Object 



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# File 'lib/foreman_probing_core/neighbour_cache.rb', line 15

def cache!
  @cache = `ip neigh show`.lines.map do |line|
    fields = line.chomp.split(/\s+/)
    hash = { :ip => fields.shift }
    fields.each_slice(2) do |k, v|
      if v
        hash[k] = v
      else
        hash[:state] = k
      end
    end
    hash
  end
end

#clean! ⇒ Object 



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# File 'lib/foreman_probing_core/neighbour_cache.rb', line 30

def clean!
  @cache = {}
end

#ips_for_mac(mac) ⇒ Object 



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# File 'lib/foreman_probing_core/neighbour_cache.rb', line 7

def ips_for_mac(mac)
  @cache.select { |record| record['lladdr'] == mac }.map { |record| record[:ip] }
end

#mac_for_ip(ip) ⇒ Object 



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# File 'lib/foreman_probing_core/neighbour_cache.rb', line 11

def mac_for_ip(ip)
  @cache.select { |record| record[:ip] == ip }.map { |record| record['lladdr'] }.first
end