Sha256: 85fbc7ac2bea4577f2d8a357b6e3d3a98d84261b176b6bd1a931b5e0d14c6c40

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Size: 1.14 KB

Versions: 3

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Stored size: 1.14 KB

Contents

module Selenium
  module WebDriver
    module Firefox

      #
      # @api private
      #

      class SocketLock

        def initialize(port, timeout)
          @port    = port
          @timeout = timeout
        end

        def locked(&blk)
          lock

          begin
            yield
          ensure
            release
          end
        end

        private

        def lock
          max_time = Time.now + @timeout

          until can_lock? || Time.now >= max_time
            sleep 0.1
          end

          unless did_lock?
            raise Error::WebDriverError, "unable to bind to locking port #{@port} within #{@timeout} seconds"
          end
        end

        def release
          @server && @server.close
        end

        def can_lock?
          @server = TCPServer.new(Platform.localhost, @port)
          ChildProcess.close_on_exec @server

          true
        rescue SocketError, Errno::EADDRINUSE => ex
          $stderr.puts "#{self}: #{ex.message}" if $DEBUG
          false
        end

        def did_lock?
          !!@server
        end

      end # SocketLock
    end # Firefox
  end # WebDriver
end # Selenium

Version data entries

3 entries across 3 versions & 1 rubygems

Version Path
selenium-webdriver-0.2.0 lib/selenium/webdriver/firefox/socket_lock.rb
selenium-webdriver-0.2.0.dev lib/selenium/webdriver/firefox/socket_lock.rb
selenium-webdriver-0.1.4 lib/selenium/webdriver/firefox/socket_lock.rb