or_circuit_st.h

/* Copyright (c) 2001 Matej Pfajfar.
 * Copyright (c) 2001-2004, Roger Dingledine.
 * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
 * Copyright (c) 2007-2019, The Tor Project, Inc. */
/* See LICENSE for licensing information */

#ifndef OR_CIRCUIT_ST_H
#define OR_CIRCUIT_ST_H

#include "core/or/or.h"

#include "core/or/circuit_st.h"
#include "core/or/crypt_path_st.h"

#include "lib/evloop/token_bucket.h"

struct onion_queue_t;

struct or_circuit_t {
  circuit_t base_;

  struct onion_queue_t *onionqueue_entry;
  struct workqueue_entry_s *workqueue_entry;

  circid_t p_circ_id;
  cell_queue_t p_chan_cells;
  channel_t *p_chan;
  edge_connection_t *n_streams;
  edge_connection_t *resolving_streams;

  relay_crypto_t crypto;

  struct or_circuit_t *rend_splice;

  char rend_circ_nonce[DIGEST_LEN];/* KH in tor-spec.txt */

  unsigned int remaining_relay_early_cells : 4;

  /* We have already received an INTRODUCE1 cell on this circuit. */
  unsigned int already_received_introduce1 : 1;

  unsigned int circuit_carries_hs_traffic_stats : 1;

  uint32_t processed_cells;

  uint64_t total_cell_waiting_time;

  unsigned int introduce2_dos_defense_enabled : 1;

  token_bucket_ctr_t introduce2_bucket;
};

#endif /* !defined(OR_CIRCUIT_ST_H) */