class Selenium::WebDriver::PortProber
Constants
- IGNORED_ERRORS
Public Class Methods
above(port)
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# File lib/selenium/webdriver/common/port_prober.rb, line 4 def self.above(port) port += 1 until free? port port end
free?(port)
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# File lib/selenium/webdriver/common/port_prober.rb, line 25 def self.free?(port) Platform.interfaces.each do |host| begin TCPServer.new(host, port).close rescue *IGNORED_ERRORS => ex $stderr.puts "port prober could not bind to #{host}:#{port} (#{ex.message})" if $DEBUG # ignored - some machines appear unable to bind to some of their interfaces end end true rescue SocketError, Errno::EADDRINUSE false end
random()
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# File lib/selenium/webdriver/common/port_prober.rb, line 9 def self.random # TODO: Avoid this # # (a) should pick a port that's guaranteed to be free on all interfaces # (b) should pick a random port outside the ephemeral port range # server = TCPServer.new(Platform.localhost, 0) port = server.addr[1] server.close port end