Get random number from random.org : HTTP Post « Network « Ruby

1. Ruby
2. Network
3. HTTP Post

Get random number from random.org

class RandomOrg

  require "net/http"
  require "thread"

  def initialize(min=0,max=1,buff=1000,slack=300)
    @site = "www.random.org"
    @min, @max = min, max
    @bufsize, @slack = buff, slack
    @buffer = Queue.new
    @url  = "/cgi-bin/randnum?num=nnn&min=#@min&max=#@max&col=1"
    @thread = Thread.new { fillbuffer }
  end

  def fillbuffer
    h = Net::HTTP.new(@site, 80)
    true_url = @url.sub(/nnn/,"#{@bufsize-@slack}")
    resp, data = h.get(true_url, nil)
    data.split.each {|x| @buffer.enq x }
  end

  def rand
    if @buffer.size < @slack
      if ! @thread.alive?
        @thread = Thread.new { fillbuffer }
      end
    end
    num = nil
    num = @buffer.deq until num!=nil
    num.to_i
  end

end


t = RandomOrg.new(1,6,1000,300)

count = {1=>0, 2=>0, 3=>0, 4=>0, 5=>0, 6=>0}

10000.times do |n|
  x = t.rand
  count[x] += 1
end

p count

 

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