# Copyright (c) 2012 by Tracelytics, Inc.
# All rights reserved.
#
module Oboe
  module API
    module Memcache
      MEMCACHE_OPS = %w{add append cas decr decrement delete fetch get get_multi incr increment prepend replace set}

      def memcache_hit?(result)
        result.nil? ? 0 : 1
      end

      def remote_host(key)
        return unless defined?(Lib.memcached_server_by_key)\
          and defined?(@struct) and defined?(is_unix_socket?)

        server_as_array = Lib.memcached_server_by_key(@struct, args[0].to_s)
        if server_as_array.is_a?(Array)
          server = server_as_array.first
          if is_unix_socket?(server)
            return "localhost"
          elsif defined?(server.hostname)
            return server.hostname
          end
        end
      end
    end
  end
end