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Diffstat (limited to 'src/or/circuitbuild.h')
| -rw-r--r-- | src/or/circuitbuild.h | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/src/or/circuitbuild.h b/src/or/circuitbuild.h new file mode 100644 index 000000000..0e673e1c0 --- /dev/null +++ b/src/or/circuitbuild.h @@ -0,0 +1,128 @@ +/* Copyright (c) 2001 Matej Pfajfar. + * Copyright (c) 2001-2004, Roger Dingledine. + * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson. + * Copyright (c) 2007-2011, The Tor Project, Inc. */ +/* See LICENSE for licensing information */ + +/** + * \file circuitbuild.h + * \brief Header file for circuitbuild.c. + **/ + +#ifndef _TOR_CIRCUITBUILD_H +#define _TOR_CIRCUITBUILD_H + +char *circuit_list_path(origin_circuit_t *circ, int verbose); +char *circuit_list_path_for_controller(origin_circuit_t *circ); +void circuit_log_path(int severity, unsigned int domain, + origin_circuit_t *circ); +void circuit_rep_hist_note_result(origin_circuit_t *circ); +origin_circuit_t *origin_circuit_init(uint8_t purpose, int flags); +origin_circuit_t *circuit_establish_circuit(uint8_t purpose, + extend_info_t *exit, + int flags); +int circuit_handle_first_hop(origin_circuit_t *circ); +void circuit_n_conn_done(or_connection_t *or_conn, int status); +int inform_testing_reachability(void); +int circuit_timeout_want_to_count_circ(origin_circuit_t *circ); +int circuit_send_next_onion_skin(origin_circuit_t *circ); +void circuit_note_clock_jumped(int seconds_elapsed); +int circuit_extend(cell_t *cell, circuit_t *circ); +int circuit_init_cpath_crypto(crypt_path_t *cpath, const char *key_data, + int reverse); +int circuit_finish_handshake(origin_circuit_t *circ, uint8_t cell_type, + const uint8_t *reply); +int circuit_truncated(origin_circuit_t *circ, crypt_path_t *layer); +int onionskin_answer(or_circuit_t *circ, uint8_t cell_type, + const char *payload, const char *keys); +int circuit_all_predicted_ports_handled(time_t now, int *need_uptime, + int *need_capacity); + +int circuit_append_new_exit(origin_circuit_t *circ, extend_info_t *info); +int circuit_extend_to_new_exit(origin_circuit_t *circ, extend_info_t *info); +void onion_append_to_cpath(crypt_path_t **head_ptr, crypt_path_t *new_hop); +extend_info_t *extend_info_alloc(const char *nickname, const char *digest, + crypto_pk_env_t *onion_key, + const tor_addr_t *addr, uint16_t port); +extend_info_t *extend_info_from_router(routerinfo_t *r); +extend_info_t *extend_info_dup(extend_info_t *info); +void extend_info_free(extend_info_t *info); +routerinfo_t *build_state_get_exit_router(cpath_build_state_t *state); +const char *build_state_get_exit_nickname(cpath_build_state_t *state); + +void entry_guards_compute_status(or_options_t *options, time_t now); +int entry_guard_register_connect_status(const char *digest, int succeeded, + int mark_relay_status, time_t now); +void entry_nodes_should_be_added(void); +int entry_list_is_constrained(or_options_t *options); +routerinfo_t *choose_random_entry(cpath_build_state_t *state); +int entry_guards_parse_state(or_state_t *state, int set, char **msg); +void entry_guards_update_state(or_state_t *state); +int getinfo_helper_entry_guards(control_connection_t *conn, + const char *question, char **answer, + const char **errmsg); + +void mark_bridge_list(void); +void sweep_bridge_list(void); +int routerinfo_is_a_configured_bridge(routerinfo_t *ri); +void learned_router_identity(const tor_addr_t *addr, uint16_t port, + const char *digest); +void bridge_add_from_config(const tor_addr_t *addr, uint16_t port, + const char *digest); +void retry_bridge_descriptor_fetch_directly(const char *digest); +void fetch_bridge_descriptors(or_options_t *options, time_t now); +void learned_bridge_descriptor(routerinfo_t *ri, int from_cache); +int any_bridge_descriptors_known(void); +int any_pending_bridge_descriptor_fetches(void); +int entries_known_but_down(or_options_t *options); +void entries_retry_all(or_options_t *options); + +void entry_guards_free_all(void); + +extern circuit_build_times_t circ_times; +int circuit_build_times_enough_to_compute(circuit_build_times_t *cbt); +void circuit_build_times_update_state(circuit_build_times_t *cbt, + or_state_t *state); +int circuit_build_times_parse_state(circuit_build_times_t *cbt, + or_state_t *state); +void circuit_build_times_count_timeout(circuit_build_times_t *cbt, + int did_onehop); +int circuit_build_times_count_close(circuit_build_times_t *cbt, + int did_onehop, time_t start_time); +void circuit_build_times_set_timeout(circuit_build_times_t *cbt); +int circuit_build_times_add_time(circuit_build_times_t *cbt, + build_time_t time); +int circuit_build_times_needs_circuits(circuit_build_times_t *cbt); + +int circuit_build_times_needs_circuits_now(circuit_build_times_t *cbt); +void circuit_build_times_init(circuit_build_times_t *cbt); +void circuit_build_times_new_consensus_params(circuit_build_times_t *cbt, + networkstatus_t *ns); +double circuit_build_times_timeout_rate(const circuit_build_times_t *cbt); +double circuit_build_times_close_rate(const circuit_build_times_t *cbt); + +#ifdef CIRCUIT_PRIVATE +double circuit_build_times_calculate_timeout(circuit_build_times_t *cbt, + double quantile); +build_time_t circuit_build_times_generate_sample(circuit_build_times_t *cbt, + double q_lo, double q_hi); +void circuit_build_times_initial_alpha(circuit_build_times_t *cbt, + double quantile, double time_ms); +int circuit_build_times_update_alpha(circuit_build_times_t *cbt); +double circuit_build_times_cdf(circuit_build_times_t *cbt, double x); +void circuitbuild_running_unit_tests(void); +void circuit_build_times_reset(circuit_build_times_t *cbt); + +/* Network liveness functions */ +int circuit_build_times_network_check_changed(circuit_build_times_t *cbt); +#endif + +/* Network liveness functions */ +void circuit_build_times_network_is_live(circuit_build_times_t *cbt); +int circuit_build_times_network_check_live(circuit_build_times_t *cbt); +void circuit_build_times_network_circ_success(circuit_build_times_t *cbt); + +int circuit_build_times_get_bw_scale(networkstatus_t *ns); + +#endif + |