application.rb

config.logger = ActionSupport::TaggedLogging.new(
	TestApp.new(config.paths['log'].first)
	)

config.log_tags = [lambda { |req|
	session = Session.find_by_session_id(req.cookie_jar["_test_app"])
	uid = 'nil'
	unless session.nil?
		session_hash = Marshal.restore(Base64.decode64(session.data))
		if session_hash['user']
			uid = session_hash['user'].uid
		end
	end
	uid
}]