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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) 2007-2021, The Tor Project, Inc. */
/* See LICENSE for licensing information */
/**
* \file or_state_st.h
*
* \brief The or_state_t structure, which represents Tor's state file.
*/
#ifndef TOR_OR_STATE_ST_H
#define TOR_OR_STATE_ST_H
#include "lib/cc/torint.h"
struct smartlist_t;
struct config_suite_t;
/** Persistent state for an onion router, as saved to disk. */
struct or_state_t {
uint32_t magic_;
/** The time at which we next plan to write the state to the disk. Equal to
* TIME_MAX if there are no saveable changes, 0 if there are changes that
* should be saved right away. */
time_t next_write;
/** When was the state last written to disk? */
time_t LastWritten;
/** Fields for accounting bandwidth use. */
time_t AccountingIntervalStart;
uint64_t AccountingBytesReadInInterval;
uint64_t AccountingBytesWrittenInInterval;
int AccountingSecondsActive;
int AccountingSecondsToReachSoftLimit;
time_t AccountingSoftLimitHitAt;
uint64_t AccountingBytesAtSoftLimit;
uint64_t AccountingExpectedUsage;
/** A list of guard-related configuration lines. */
struct config_line_t *Guard;
struct config_line_t *TransportProxies;
/** These fields hold information on the history of bandwidth usage for
* servers. The "Ends" fields hold the time when we last updated the
* bandwidth usage. The "Interval" fields hold the granularity, in seconds,
* of the entries of Values. The "Values" lists hold decimal string
* representations of the number of bytes read or written in each
* interval. The "Maxima" list holds decimal strings describing the highest
* rate achieved during the interval.
*/
time_t BWHistoryReadEnds;
int BWHistoryReadInterval;
struct smartlist_t *BWHistoryReadValues;
struct smartlist_t *BWHistoryReadMaxima;
time_t BWHistoryWriteEnds;
int BWHistoryWriteInterval;
struct smartlist_t *BWHistoryWriteValues;
struct smartlist_t *BWHistoryWriteMaxima;
time_t BWHistoryIPv6ReadEnds;
int BWHistoryIPv6ReadInterval;
struct smartlist_t *BWHistoryIPv6ReadValues;
struct smartlist_t *BWHistoryIPv6ReadMaxima;
time_t BWHistoryIPv6WriteEnds;
int BWHistoryIPv6WriteInterval;
struct smartlist_t *BWHistoryIPv6WriteValues;
struct smartlist_t *BWHistoryIPv6WriteMaxima;
time_t BWHistoryDirReadEnds;
int BWHistoryDirReadInterval;
struct smartlist_t *BWHistoryDirReadValues;
struct smartlist_t *BWHistoryDirReadMaxima;
time_t BWHistoryDirWriteEnds;
int BWHistoryDirWriteInterval;
struct smartlist_t *BWHistoryDirWriteValues;
struct smartlist_t *BWHistoryDirWriteMaxima;
/** Build time histogram */
struct config_line_t * BuildtimeHistogram;
int TotalBuildTimes;
int CircuitBuildAbandonedCount;
/** What version of Tor wrote this state file? */
char *TorVersion;
/** Holds any unrecognized values we found in the state file, in the order
* in which we found them. */
struct config_line_t *ExtraLines;
/** When did we last rotate our onion key? "0" for 'no idea'. */
time_t LastRotatedOnionKey;
/**
* State objects for individual modules.
*
* Never access this field or its members directly: instead, use the module
* in question to get its relevant state object if you must.
*/
struct config_suite_t *substates_;
};
#endif /* !defined(TOR_OR_STATE_ST_H) */
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