Class: Xtop::UrlChecker

Inherits:
Object
  • Object
show all
Defined in:
lib/xtop/url_checker.rb

Constant Summary collapse

TIMEOUT = 
15
INTERVAL = 
0.5

Class Method Summary collapse

Class Method Details

.check(view, checkers = {}) ⇒ Object 



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# File 'lib/xtop/url_checker.rb', line 10

def self.check(view, checkers={})
  checker_threads = {}

  checkers.each do |url, checker|
    checker_threads[url] = Thread.new do
      case checker.call
      when :ok
        view.update_status(url, "green")
      when :error
        view.update_status(url, "red")
      else
        view.update_status(url, "yellow")
      end
    end

    Thread.new do
      time_elapsed = 0.0
      while true
        sleep(0.1)
        time_elapsed += INTERVAL

        if checker_threads[url].status == false # thread has exited
          break

        elsif time_elapsed > TIMEOUT
          view.update_status(url, "yellow")
          Thread.kill(checker_threads[url])
          break
        end
      end
    end
  end
end