class Selenium::WebDriver::PortProber

Constants

IGNORED_ERRORS

Public Class Methods

above(port) click to toggle source
# File lib/selenium/webdriver/common/port_prober.rb, line 23
def self.above(port)
  port += 1 until free? port
  port
end
free?(port) click to toggle source
# File lib/selenium/webdriver/common/port_prober.rb, line 33
def self.free?(port)
  Platform.interfaces.each do |host|
    begin
      TCPServer.new(host, port).close
    rescue *IGNORED_ERRORS => ex
      WebDriver.logger.debug("port prober could not bind to #{host}:#{port} (#{ex.message})")
      # ignored - some machines appear unable to bind to some of their interfaces
    end
  end

  true
rescue SocketError, Errno::EADDRINUSE
  false
end