Class: IPScanner

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

Class Method Summary collapse

Class Method Details

.pingecho(host, timeout = 5, service = "echo") ⇒ Object 



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# File 'lib/ipscanner.rb', line 17

def self.pingecho(host, timeout=5, service="echo")
  begin
    timeout(timeout) do
    s = TCPSocket.new(host, service)
    s.close
    end
  rescue Errno::ECONNREFUSED
    return true
  rescue Timeout::Error, StandardError
    return false
  end
  return true
end

.scan(ip_base = '192.168.1.', range = 1..254, t = 1) ⇒ Object 



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# File 'lib/ipscanner.rb', line 10

def self.scan(ip_base='192.168.1.', range=1..254, t=1)
  a = []
  (range).map{|i| Thread.new {a << i if pingecho(ip_base+i.to_s, t) }}.join
  sleep t + 0.25
  a.map{|x| ip_base + x.to_s}
end