Module: Pingfacts

Defined in:
lib/pingfacts.rb,
lib/pingfacts/version.rb

Defined Under Namespace

Classes: Error, PingerResult

Constant Summary collapse

VERSION = 
"0.1.1"

Class Method Summary collapse

Class Method Details

.scan(network, method = Net::Ping::External) ⇒ Object 



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# File 'lib/pingfacts.rb', line 13

def self.scan(network, method=Net::Ping::External)
  ip_range = IPAddr.new(network).to_range

  pingers = []
  onlines = []

  ip_range.each do |ip|
    pingers << Thread.new do
      pinger = Net::Ping::External.new(ip.to_s)
      if pinger.ping?
        onlines << ip.to_s
      end
    end
  end

  pingers.each do |t|
    t.join
  end

  mac_addresses = {}
  `ip neigh`.lines.each do |line|
    r = line.split(/\s+/)
    if r[3] == "lladdr"
      mac_addresses[r[0].strip] = r[4].strip
    end
  end

  result = []

  onlines.each do |ip|
    ipresult = PingerResult.new
    ipresult.ip = ip
    if mac_addresses.key?(ip)
      ipresult.mac = mac_addresses[ip]
    end
    begin
      ipresult.dnsname = Resolv.getname(ip)
    rescue Resolv::ResolvError
    end

    result << ipresult
  end

  result
end