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# -*- coding: binary -*-
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module Rex
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  module Logging
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    ###
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    #
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    # LogSinkFactory can instantiate a LogSink based on the given name.
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    #
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    ###
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    module LogSinkFactory
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      # Creates a new log sink of the given name. If no name is provided, a default
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      # Flatfile log sink is chosen
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      #
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      # @param [String] name The name of the required log sink within Rex::Logging::Sinks
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      # @param [Array] attrs The attributes to use with the given log sink
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      # @return [Rex::Logging::LogSink] The newly created log sink
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      def self.new(name = nil, *attrs)
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        name ||= Rex::Logging::Sinks::Flatfile.name.demodulize
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        raise NameError unless available_sinks.include?(name.to_sym)
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        log_sink = Rex::Logging::Sinks.const_get(name)
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        log_sink.new(*attrs)
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      rescue NameError
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        raise Rex::ArgumentError, "Could not find logger #{name}, expected one of #{available_sinks.join(', ')}"
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      end
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      # Returns a list of the available sinks that can be created by this factory
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      #
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      # @return [Array<Sym>] The available sinks that can be created by this factory
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      def self.available_sinks
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        Rex::Logging::Sinks.constants - [Rex::Logging::Sinks::Stream.name.demodulize.to_sym]
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      end
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    end
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  end
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end
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