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/* Copyright (c) 2001 Matej Pfajfar.
* Copyright (c) 2001-2004, Roger Dingledine.
* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
* Copyright (c) 2007-2017, The Tor Project, Inc. */
/* See LICENSE for licensing information */
#ifndef CIRCUIT_BUILD_STATE_ST_ST_H
#define CIRCUIT_BUILD_STATE_ST_ST_H
/** Information used to build a circuit. */
struct cpath_build_state_t {
/** Intended length of the final circuit. */
int desired_path_len;
/** How to extend to the planned exit node. */
extend_info_t *chosen_exit;
/** Whether every node in the circ must have adequate uptime. */
unsigned int need_uptime : 1;
/** Whether every node in the circ must have adequate capacity. */
unsigned int need_capacity : 1;
/** Whether the last hop was picked with exiting in mind. */
unsigned int is_internal : 1;
/** Did we pick this as a one-hop tunnel (not safe for other streams)?
* These are for encrypted dir conns that exit to this router, not
* for arbitrary exits from the circuit. */
unsigned int onehop_tunnel : 1;
/** The crypt_path_t to append after rendezvous: used for rendezvous. */
crypt_path_t *pending_final_cpath;
/** A ref-counted reference to the crypt_path_t to append after
* rendezvous; used on the service side. */
crypt_path_reference_t *service_pending_final_cpath_ref;
/** How many times has building a circuit for this task failed? */
int failure_count;
/** At what time should we give up on this task? */
time_t expiry_time;
};
#endif
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