pingsrvr.rb

#!/usr/bin/env ruby
require 'drb'

class PingCheck
  attr_accessor :cfg

  def initialize(count=3, wait=3)
    @cfg = Hash.new
    @cfg[:count]  = count
    @cfg[:wait]   = wait
  end
  
  def commit(host=nil)
    if host
      output = `ping -c #{@cfg[:count]} -W #{@cfg[:wait]} #{host}`
      output.split("\n").each {|ln|
        if ln =~ /[0-9]+\ packets\ transmitted,\ [0-9]+.*/
          data = ln.split
          retv = Hash.new
          retv[:pkt_xmit] = data[0].to_i
          retv[:pkt_rcvd] = data[3].to_i
          retv[:pkt_loss] = data[6].split('%')[0]
          return retv
        end
      }
    end
  end
end

# Testing
#o = PingCheck.new('8.8.8.8')
#puts o.commit.inspect

# Drb
DRb.start_service nil, PingCheck.new
puts DRb.uri

DRb.thread.join