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