|  | @@ -432,7 +432,17 @@ decide_to_advertise_dirport(or_options_t *options, routerinfo_t *router)
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				|  |  |    return router->dir_port;
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				|  |  |  }
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				|  |  |  
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				|  |  | -/**DOCDOC*/
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				|  |  | +/** Some time has passed, or we just got new directory information.
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				|  |  | + * See if we currently believe our ORPort or DirPort to be
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				|  |  | + * unreachable. If so, launch a new test for it.
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				|  |  | + *
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				|  |  | + * For ORPort, we simply try making a circuit that ends at ourselves.
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				|  |  | + * Success is noticed in onionskin_answer().
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				|  |  | + *
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				|  |  | + * For DirPort, we make a connection via Tor to our DirPort and ask
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				|  |  | + * for our own server descriptor.
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				|  |  | + * Success is noticed in connection_dir_client_reached_eof().
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				|  |  | + */
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				|  |  |  void
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				|  |  |  consider_testing_reachability(void)
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				|  |  |  {
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