扫描局域网中Gogs服务器（ruby）

 #!/usr/bin/env ruby

 require 'net/http'

 require 'thread'

 require 'english'

 # config

 CONFIG_IPDOMAIN = '30.96.68.'.freeze

 CONFIG_RANGE = (2..254)

 CONFIG_URITEMPLATE = 'http://%s:3000/user/login'.freeze

 CONFIG_READ_TIMEOUT = 30

 CONFIG_HIDE_ERROR = true

 # tty

 TTY_FG = { Black: 30, Red: 31, Green: 32, Yellow: 33, Blue: 34,

            Magenta: 35, Cyan: 36, White: 37 }.freeze

 TTY_BG = { Black: 40, Red: 41, Green: 42, Yellow: 43, Blue: 44,

            Magenta: 45, Cyan: 46, White: 47 }.freeze

 TTY_MD = { Reset: 0, Bold: 1, Italics: 3, Underlined: 4 }.freeze

 def tty_msg(msg, tty_fg: nil, tty_bg: nil, tty_md: nil)

   l = []

   l << TTY_MD[tty_md] if tty_md

   l << TTY_FG[tty_fg] if tty_fg

   l << TTY_BG[tty_bg] if tty_bg

   if l.size > 0

     m = l.join(';')

     "\033[#{m}m#{msg}\033[0m"

   else

     msg

   end

 end

 # tty styles

 def note_style(msg)

   tty_msg(msg, tty_fg: :Yellow, tty_md: :Underlined)

 end

 def yes_style(msg)

   tty_msg(msg, tty_fg: :Black, tty_md: :Bold, tty_bg: :Green)

 end

 def httpcode_style(msg)

   tty_msg(msg, tty_fg: :White, tty_bg: :Blue)

 end

 def error_style(msg)

   tty_msg(msg, tty_fg: :White, tty_bg: :Red)

 end

 # timeout

 module Net

   # initialize timeout

   class HTTP

     alias old_initialize initialize

     def initialize(*args)

       old_initialize(*args)

       @read_timeout = CONFIG_READ_TIMEOUT

     end

   end

 end

 # main

 puts note_style('Working...')

 success_list = []

 httperr_list = []

 threads = []

 CONFIG_RANGE.each do |n|

   threads << Thread.new do

     s = CONFIG_IPDOMAIN + String(n)

     uri = URI(format(CONFIG_URITEMPLATE, s))

     begin

       res = Net::HTTP.get_response(uri)

       if res.is_a?(Net::HTTPSuccess)

         s << "\t" << yes_style('**YES**')

         success_list << uri.to_s

       else

         httperr = "\t#{httpcode_style(res.code)} #{res.message}\n"

         s << httperr

         httperr_list << (uri.to_s + httperr)

       end

       puts s

     rescue

       unless CONFIG_HIDE_ERROR

         s << "\t#{error_style('error')} #{$ERROR_INFO}\n"

         puts s

       end

     end

   end

 end

 threads.each(&:join)

 puts "\n" << note_style("HttpErr Result: #{httperr_list.size}")

 httperr_list.each { |s| puts s }

 puts "\n" << note_style("Success Result: #{success_list.size}")

 success_list.each { |s| puts s }