Class: RealRand::RandomOrg

Inherits:
OnlineGenerator show all
Defined in:
lib/random/online.rb

Instance Attribute Summary

Attributes inherited from OnlineGenerator

#host, #proxy_host, #proxy_port, #proxy_pwd, #proxy_usr

Instance Method Summary collapse

Constructor Details

#initialize ⇒ RandomOrg

Returns a new instance of RandomOrg.



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# File 'lib/random/online.rb', line 53

def initialize
  super("www.random.org")
end

Instance Method Details

#quota(ip = nil) ⇒ Object 



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# File 'lib/random/online.rb', line 118

def quota(ip=nil)
  parameters = "format=plain"
  parameters += "&ip=#{ip}" if ip
  response = get_response("/quota/", parameters)
  convert_result(response.body).first
end

#randbyte(nbytes = 256) ⇒ Object

Note: randbyte is deprecated, should use ‘/integers/’ instead. Network load decrease if using hex format instead here?



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# File 'lib/random/online.rb', line 73

def randbyte(nbytes = 256)
  if nbytes <= 0 || nbytes > 16_384
    raise RangeError, "Invalid amount: #{nbytes}."
  end
  return [] if nbytes == 0
  parameters = "nbytes=#{nbytes}&format=d"
  response = get_response("/cgi-bin/randbyte", parameters)
  convert_result(response.body)
end

#randnum(num = 100, min = 1, max = 100, args = {}) ⇒ Object Also known as: integers 



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# File 'lib/random/online.rb', line 57

def randnum(num = 100, min = 1, max = 100, args = {})
  check_amount_requested(num)
  check_min_max_range(min, max)

  parameters = "num=#{num}&min=#{min}&max=#{max}&col=#{num}"
  parameters << "&format=plain&base=10"
  parameters << "&rnd=#{args[:rnd]}" if args[:rnd]
  
  response = get_response("/integers/", parameters)
  convert_result(response.body)
end

#randseq(min = 1, max = 100, args = {}) ⇒ Object Also known as: sequences 



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# File 'lib/random/online.rb', line 83

def randseq(min = 1, max = 100, args = {})
  check_min_max_range(min, max)
  
  parameters = "min=#{min}&max=#{max}&col=1"
  parameters << "&format=plain" # TODO: No need for "&base=10" here?
  parameters << "&rnd=#{args[:rnd]}" if args[:rnd]
  
  response = get_response("/sequences/", parameters)
  convert_result(response.body)
end

#randstring(num, len, args = {}) ⇒ Object Also known as: strings 



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# File 'lib/random/online.rb', line 96

def randstring(num, len, args = {})
  default_args = { 
      :digits => :on, 
      :upperalpha =>:on, 
      :loweralpha =>:on,
      :unique => :off,
      # :rnd => :new
    }
  args = default_args.update(args)

  check_amount_requested(num)
  check_num_within(len, 1, 20, 'length')

  parameters = "num=#{num}&len=#{len}&format=plain"
  parameters << "&" << hash_args_to_params(args)
  
  response = get_response("/strings/", parameters)
  response.body.split
end