whois-spawn.cr

require "socket"

class Whois

  def initialize
    @server = "whois.crsnic.net"
    
  end

  def do_whois(domain)
    buf = ""
    s = TCPSocket.new(@server, 43)
    s.write "=#{domain}\r\n".to_slice
    while line = s.gets
      buf += line
    end
    s.close
    return buf
  end
end

nb = Whois.new

1.upto(10) do |x|
  spawn do 
    puts nb.do_whois("a#{x}.com")
  end
end

Fiber.yield