2012-10-15 20:48:34 +02:00
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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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2013-01-16 07:54:56 +01:00
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* Copyright (c) 2007-2013, The Tor Project, Inc. */
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2012-10-15 20:48:34 +02:00
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/* See LICENSE for licensing information */
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/**
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* \file circuitstats.h
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* \brief Header file for circuitstats.c
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**/
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#ifndef TOR_CIRCUITSTATS_H
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#define TOR_CIRCUITSTATS_H
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extern circuit_build_times_t circ_times;
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int circuit_build_times_disabled(void);
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int circuit_build_times_enough_to_compute(circuit_build_times_t *cbt);
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void circuit_build_times_update_state(circuit_build_times_t *cbt,
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or_state_t *state);
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int circuit_build_times_parse_state(circuit_build_times_t *cbt,
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or_state_t *state);
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void circuit_build_times_count_timeout(circuit_build_times_t *cbt,
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int did_onehop);
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int circuit_build_times_count_close(circuit_build_times_t *cbt,
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int did_onehop, time_t start_time);
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void circuit_build_times_set_timeout(circuit_build_times_t *cbt);
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int circuit_build_times_add_time(circuit_build_times_t *cbt,
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build_time_t time);
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int circuit_build_times_needs_circuits(circuit_build_times_t *cbt);
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int circuit_build_times_needs_circuits_now(circuit_build_times_t *cbt);
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void circuit_build_times_init(circuit_build_times_t *cbt);
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void circuit_build_times_free_timeouts(circuit_build_times_t *cbt);
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void circuit_build_times_new_consensus_params(circuit_build_times_t *cbt,
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networkstatus_t *ns);
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double circuit_build_times_timeout_rate(const circuit_build_times_t *cbt);
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double circuit_build_times_close_rate(const circuit_build_times_t *cbt);
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#ifdef CIRCUITSTATS_PRIVATE
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double circuit_build_times_calculate_timeout(circuit_build_times_t *cbt,
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double quantile);
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build_time_t circuit_build_times_generate_sample(circuit_build_times_t *cbt,
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double q_lo, double q_hi);
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void circuit_build_times_initial_alpha(circuit_build_times_t *cbt,
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double quantile, double time_ms);
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int circuit_build_times_update_alpha(circuit_build_times_t *cbt);
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double circuit_build_times_cdf(circuit_build_times_t *cbt, double x);
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void circuitbuild_running_unit_tests(void);
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void circuit_build_times_reset(circuit_build_times_t *cbt);
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/* Network liveness functions */
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int circuit_build_times_network_check_changed(circuit_build_times_t *cbt);
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#endif
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/* Network liveness functions */
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void circuit_build_times_network_is_live(circuit_build_times_t *cbt);
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int circuit_build_times_network_check_live(circuit_build_times_t *cbt);
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void circuit_build_times_network_circ_success(circuit_build_times_t *cbt);
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/* DOCDOC circuit_build_times_get_bw_scale */
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int circuit_build_times_get_bw_scale(networkstatus_t *ns);
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#endif
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