webrick_sample.rb

require 'webrick'
require 'cgi'

s = WEBrick::HTTPServer.new(
  :Port => 8000,
  :HTTPVersion => WEBrick::HTTPVersion.new('1.1'),
  :AccessLog => [[open(IO::NULL, 'w'), '']] # アクセスログを出力しない
)

s.mount_proc('/') do |req, res|
  body = File.read('episopass.html')
  res.status = 200
  res['Content-Type'] = 'text/html'
  res.body = body
end

s.mount_proc('/receive') do |req, res|
  puts req.body # 標準出力へ返す、もしくは処理を継続
  s.shutdown
end

Signal.trap('INT'){s.shutdown}
s.start
puts 'open http://localhost:8000'