[tor-dev] channel_t to IP Address
andrea at torproject.org
Thu Jul 24 12:46:44 UTC 2014
On Thu, Jul 24, 2014 at 12:20:52PM +0100, Gareth Owen wrote:
> Hi all
> Quick question, how does one turn channel_t into an IP address, e.g. given
> a circuit_t how do I get the IP address of the previous and next hop
> (noting that they might not be in the consensus so I cant use the identity
> hash). I can see the information is in the connection_t struct but I don't
> know how to get that from the channel/circuit.
The IP address (and the fact that the channel_t even is over IP) are
specific to particular transport; you'll have to downcast it to a
channel_tls_t using the BASE_CHAN_TO_TLS macro and then look at the
or_connection_t pointer in that structure.
<andrea at torproject.org>
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