Macros
#define	REPHIST_CELL_PADDING_COUNTS_INTERVAL (246060)

Typedefs
typedef enum padding_type_t	padding_type_t

Enumerations
enum	padding_type_t { PADDING_TYPE_DROP, PADDING_TYPE_CELL, PADDING_TYPE_TOTAL, PADDING_TYPE_ENABLED_TOTAL, PADDING_TYPE_ENABLED_CELL }

Functions
void	rep_hist_init (void)

void	rep_hist_dump_stats (time_t now, int severity)

void	rep_hist_note_bytes_read (uint64_t num_bytes, time_t when)

void	rep_hist_note_bytes_written (uint64_t num_bytes, time_t when)

void	rep_hist_make_router_pessimal (const char *id, time_t when)

void	rep_hist_note_dir_bytes_read (uint64_t num_bytes, time_t when)

void	rep_hist_note_dir_bytes_written (uint64_t num_bytes, time_t when)

	MOCK_DECL (int, rep_hist_bandwidth_assess,(void))

char *	rep_hist_get_bandwidth_lines (void)

void	rep_hist_update_state (or_state_t *state)

int	rep_hist_load_state (or_state_t state, char *err)

void	rep_history_clean (time_t before)

void	rep_hist_note_router_reachable (const char id, const tor_addr_t at_addr, const uint16_t at_port, time_t when)

void	rep_hist_note_router_unreachable (const char *id, time_t when)

int	rep_hist_record_mtbf_data (time_t now, int missing_means_down)

int	rep_hist_load_mtbf_data (time_t now)

time_t	rep_hist_downrate_old_runs (time_t now)

long	rep_hist_get_uptime (const char *id, time_t when)

double	rep_hist_get_stability (const char *id, time_t when)

double	rep_hist_get_weighted_fractional_uptime (const char *id, time_t when)

long	rep_hist_get_weighted_time_known (const char *id, time_t when)

int	rep_hist_have_measured_enough_stability (void)

void	rep_hist_exit_stats_init (time_t now)

void	rep_hist_reset_exit_stats (time_t now)

void	rep_hist_exit_stats_term (void)

char *	rep_hist_format_exit_stats (time_t now)

time_t	rep_hist_exit_stats_write (time_t now)

void	rep_hist_note_exit_bytes (uint16_t port, size_t num_written, size_t num_read)

void	rep_hist_note_exit_stream_opened (uint16_t port)

void	rep_hist_buffer_stats_init (time_t now)

void	rep_hist_buffer_stats_add_circ (circuit_t *circ, time_t end_of_interval)

time_t	rep_hist_buffer_stats_write (time_t now)

void	rep_hist_buffer_stats_term (void)

void	rep_hist_add_buffer_stats (double mean_num_cells_in_queue, double mean_time_cells_in_queue, uint32_t processed_cells)

char *	rep_hist_format_buffer_stats (time_t now)

void	rep_hist_reset_buffer_stats (time_t now)

void	rep_hist_desc_stats_init (time_t now)

void	rep_hist_note_desc_served (const char *desc)

void	rep_hist_desc_stats_term (void)

time_t	rep_hist_desc_stats_write (time_t now)

void	rep_hist_conn_stats_init (time_t now)

void	rep_hist_note_or_conn_bytes (uint64_t conn_id, size_t num_read, size_t num_written, time_t when)

void	rep_hist_reset_conn_stats (time_t now)

char *	rep_hist_format_conn_stats (time_t now)

time_t	rep_hist_conn_stats_write (time_t now)

void	rep_hist_conn_stats_term (void)

void	rep_hist_note_circuit_handshake_requested (uint16_t type)

void	rep_hist_note_circuit_handshake_assigned (uint16_t type)

void	rep_hist_log_circuit_handshake_stats (time_t now)

void	rep_hist_hs_stats_init (time_t now)

void	rep_hist_hs_stats_term (void)

time_t	rep_hist_hs_stats_write (time_t now)

char *	rep_hist_get_hs_stats_string (void)

void	rep_hist_seen_new_rp_cell (void)

void	rep_hist_stored_maybe_new_hs (const crypto_pk_t *pubkey)

void	rep_hist_free_all (void)

void	rep_hist_note_negotiated_link_proto (unsigned link_proto, int started_here)

void	rep_hist_log_link_protocol_counts (void)

void	rep_hist_padding_count_read (padding_type_t type)

void	rep_hist_padding_count_write (padding_type_t type)

char *	rep_hist_get_padding_count_lines (void)

void	rep_hist_reset_padding_counts (void)

void	rep_hist_prep_published_padding_counts (time_t now)

void	rep_hist_padding_count_timers (uint64_t num_timers)

Variables
uint64_t	rephist_total_alloc

uint32_t	rephist_total_num

Detailed Description

Header file for rephist.c.

Definition in file rephist.h.

Macro Definition Documentation

◆ REPHIST_CELL_PADDING_COUNTS_INTERVAL

#define REPHIST_CELL_PADDING_COUNTS_INTERVAL (24*60*60)

The amount of time over which the padding cell counts were counted

Definition at line 125 of file rephist.h.

Typedef Documentation

◆ padding_type_t

typedef enum padding_type_t padding_type_t

Represents the type of a cell for padding accounting

Enumeration Type Documentation

◆ padding_type_t

enum padding_type_t

Represents the type of a cell for padding accounting

Enumerator
PADDING_TYPE_DROP	A RELAY_DROP cell
PADDING_TYPE_CELL	A CELL_PADDING cell
PADDING_TYPE_TOTAL	Total counts of padding and non-padding together
PADDING_TYPE_ENABLED_TOTAL	Total cell counts for all padding-enabled channels
PADDING_TYPE_ENABLED_CELL	CELL_PADDING counts for all padding-enabled channels

Definition at line 111 of file rephist.h.

Function Documentation

◆ rep_hist_add_buffer_stats()

void rep_hist_add_buffer_stats	(	double	mean_num_cells_in_queue,
		double	mean_time_cells_in_queue,
		uint32_t	processed_cells
	)

Remember cell statistics mean_num_cells_in_queue, mean_time_cells_in_queue, and processed_cells of a circuit.

Definition at line 1838 of file rephist.c.

References start_of_buffer_stats_interval.

Referenced by rep_hist_buffer_stats_add_circ().

◆ rep_hist_buffer_stats_add_circ()

void rep_hist_buffer_stats_add_circ	(	circuit_t *	circ,
		time_t	end_of_interval
	)

Remember cell statistics for circuit circ at time end_of_interval and reset cell counters in case the circuit remains open in the next measurement interval.

Definition at line 1857 of file rephist.c.

References CIRCUIT_IS_ORIGIN, or_circuit_t::processed_cells, rep_hist_add_buffer_stats(), start_of_buffer_stats_interval, circuit_t::timestamp_created, TO_OR_CIRCUIT(), and or_circuit_t::total_cell_waiting_time.

◆ rep_hist_buffer_stats_init()

void rep_hist_buffer_stats_init ( time_t now )

Initialize buffer stats.

Definition at line 1815 of file rephist.c.

References start_of_buffer_stats_interval.

◆ rep_hist_buffer_stats_term()

void rep_hist_buffer_stats_term ( void )

Stop collecting cell stats in a way that we can re-start doing so in rep_hist_buffer_stats_init().

Definition at line 1907 of file rephist.c.

References rep_hist_reset_buffer_stats().

◆ rep_hist_buffer_stats_write()

time_t rep_hist_buffer_stats_write ( time_t now )

If 24 hours have passed since the beginning of the current buffer stats period, write buffer stats to $DATADIR/stats/buffer-stats (possibly overwriting an existing file) and reset counters. Return when we would next want to write buffer stats or 0 if we never want to write.

Definition at line 2032 of file rephist.c.

References start_of_buffer_stats_interval.

◆ rep_hist_conn_stats_init()

void rep_hist_conn_stats_init ( time_t now )

Initialize connection stats.

Definition at line 2222 of file rephist.c.

References start_of_conn_stats_interval.

◆ rep_hist_conn_stats_term()

void rep_hist_conn_stats_term ( void )

Stop collecting connection stats in a way that we can re-start doing so in rep_hist_conn_stats_init().

Definition at line 2320 of file rephist.c.

References rep_hist_reset_conn_stats().

◆ rep_hist_conn_stats_write()

time_t rep_hist_conn_stats_write ( time_t now )

If 24 hours have passed since the beginning of the current conn stats period, write conn stats to $DATADIR/stats/conn-stats (possibly overwriting an existing file) and reset counters. Return when we would next want to write conn stats or 0 if we never want to write.

Definition at line 2408 of file rephist.c.

References start_of_conn_stats_interval.

◆ rep_hist_desc_stats_init()

void rep_hist_desc_stats_init ( time_t now )

Initialize descriptor stats.

Definition at line 2079 of file rephist.c.

References served_descs.

Referenced by rep_hist_reset_desc_stats().

◆ rep_hist_desc_stats_term()

void rep_hist_desc_stats_term ( void )

Stop collecting served descs stats, so that rep_hist_desc_stats_init() is safe to be called again.

Definition at line 2102 of file rephist.c.

Referenced by rep_hist_reset_desc_stats().

◆ rep_hist_desc_stats_write()

time_t rep_hist_desc_stats_write ( time_t now )

If WRITE_STATS_INTERVAL seconds have passed since the beginning of the current served desc stats interval, write the stats to $DATADIR/stats/served-desc-stats (possibly appending to an existing file) and reset the state for the next interval. Return when we would next want to write served desc stats or 0 if we won't want to write.

Definition at line 2169 of file rephist.c.

References start_of_served_descs_stats_interval.

◆ rep_hist_downrate_old_runs()

time_t rep_hist_downrate_old_runs ( time_t now )

Helper: Discount all old MTBF data, if it is time to do so. Return the time at which we should next discount MTBF data.

Definition at line 382 of file rephist.c.

References history_map, STABILITY_ALPHA, STABILITY_INTERVAL, and stability_last_downrated.

◆ rep_hist_dump_stats()

void rep_hist_dump_stats	(	time_t	now,
		int	severity
	)

Log all the reliability data we have remembered, with the chosen severity.

Definition at line 554 of file rephist.c.

References base16_encode(), DIGEST_LEN, get_stability(), HEX_DIGEST_LEN, history_map, LD_HIST, node_get_nickname(), rep_history_clean(), and tor_log().

◆ rep_hist_exit_stats_init()

void rep_hist_exit_stats_init ( time_t now )

Initialize exit port stats.

Definition at line 1558 of file rephist.c.

References exit_bytes_read, and start_of_exit_stats_interval.

◆ rep_hist_exit_stats_term()

void rep_hist_exit_stats_term ( void )

Stop collecting exit port stats in a way that we can re-start doing so in rep_hist_exit_stats_init().

Definition at line 1579 of file rephist.c.

References exit_bytes_read, exit_bytes_written, exit_streams, start_of_exit_stats_interval, and tor_free.

◆ rep_hist_exit_stats_write()

time_t rep_hist_exit_stats_write ( time_t now )

If 24 hours have passed since the beginning of the current exit port stats period, write exit stats to $DATADIR/stats/exit-stats (possibly overwriting an existing file) and reset counters. Return when we would next want to write exit stats or 0 if we never want to write.

Definition at line 1755 of file rephist.c.

References start_of_exit_stats_interval.

◆ rep_hist_format_buffer_stats()

char* rep_hist_format_buffer_stats ( time_t now )

Return a newly allocated string containing the buffer statistics until now, or NULL if we're not collecting buffer stats. Caller must ensure start_of_buffer_stats_interval is in the past.

Definition at line 1929 of file rephist.c.

◆ rep_hist_format_conn_stats()

char* rep_hist_format_conn_stats ( time_t now )

Return a newly allocated string containing the connection statistics until now, or NULL if we're not collecting conn stats. Caller must ensure start_of_conn_stats_interval is in the past.

Definition at line 2383 of file rephist.c.

◆ rep_hist_format_exit_stats()

char* rep_hist_format_exit_stats ( time_t now )

Return a newly allocated string containing the exit port statistics until now, or NULL if we're not collecting exit stats. Caller must ensure start_of_exit_stats_interval is in the past.

Definition at line 1600 of file rephist.c.

References EXIT_STATS_TOP_N_PORTS.

◆ rep_hist_free_all()

void rep_hist_free_all ( void )

Free all storage held by the OR/link history caches, by the bandwidth history arrays, by the port history, or by statistics .

Definition at line 2899 of file rephist.c.

◆ rep_hist_get_bandwidth_lines()

char* rep_hist_get_bandwidth_lines ( void )

Allocate and return lines for representing this server's bandwidth history in its descriptor. We publish these lines in our extra-info descriptor.

Definition at line 1281 of file rephist.c.

◆ rep_hist_get_padding_count_lines()

char* rep_hist_get_padding_count_lines ( void )

Returns an allocated string for extra-info documents for publishing padding statistics from the last 24 hour interval.

Definition at line 2829 of file rephist.c.

References padding_counts_t::first_published_at, padding_published, padding_counts_t::read_cell_count, REPHIST_CELL_PADDING_COUNTS_INTERVAL, tor_asprintf(), and padding_counts_t::write_cell_count.

◆ rep_hist_get_stability()

double rep_hist_get_stability	(	const char *	id,
		time_t	when
	)

Return an estimated MTBF for the router whose identity digest is id. Return 0 if the router is unknown.

Definition at line 503 of file rephist.c.

References get_or_history(), and get_stability().

Referenced by dirserv_thinks_router_is_unreliable().

◆ rep_hist_get_uptime()

long rep_hist_get_uptime	(	const char *	id,
		time_t	when
	)

Return how long the router whose identity digest is id has been reachable. Return 0 if the router is unknown or currently deemed unreachable.

Definition at line 490 of file rephist.c.

References get_or_history(), and or_history_t::start_of_run.

◆ rep_hist_get_weighted_fractional_uptime()

double rep_hist_get_weighted_fractional_uptime	(	const char *	id,
		time_t	when
	)

Return an estimated percent-of-time-online for the router whose identity digest is id. Return 0 if the router is unknown.

Definition at line 515 of file rephist.c.

References get_or_history(), and get_weighted_fractional_uptime().

◆ rep_hist_get_weighted_time_known()

long rep_hist_get_weighted_time_known	(	const char *	id,
		time_t	when
	)

Return a number representing how long we've known about the router whose digest is id. Return 0 if the router is unknown.

Be careful: this measure increases monotonically as we know the router for longer and longer, but it doesn't increase linearly.

Definition at line 531 of file rephist.c.

References get_or_history(), and get_total_weighted_time().

◆ rep_hist_have_measured_enough_stability()

int rep_hist_have_measured_enough_stability ( void )

Return true if we've been measuring MTBFs for long enough to pronounce on Stability.

Definition at line 543 of file rephist.c.

◆ rep_hist_hs_stats_init()

void rep_hist_hs_stats_init ( time_t now )

Initialize hidden service statistics.

Definition at line 2520 of file rephist.c.

References hs_stats, hs_stats_new(), and start_of_hs_stats_interval.

◆ rep_hist_hs_stats_term()

void rep_hist_hs_stats_term ( void )

Stop collecting hidden service stats in a way that we can re-start doing so in rep_hist_buffer_stats_init().

Definition at line 2549 of file rephist.c.

References rep_hist_reset_hs_stats().

◆ rep_hist_hs_stats_write()

time_t rep_hist_hs_stats_write ( time_t now )

If 24 hours have passed since the beginning of the current HS stats period, write buffer stats to $DATADIR/stats/hidserv-stats (possibly overwriting an existing file) and reset counters. Return when we would next want to write buffer stats or 0 if we never want to write.

Definition at line 2666 of file rephist.c.

References start_of_hs_stats_interval.

◆ rep_hist_init()

void rep_hist_init ( void )

Initialize the static data structures for tracking history.

Definition at line 232 of file rephist.c.

References bw_arrays_init(), and history_map.

Referenced by tor_init().

◆ rep_hist_load_mtbf_data()

int rep_hist_load_mtbf_data ( time_t now )

Load MTBF data from disk. Returns 0 on success or recoverable error, -1 on failure.

Definition at line 789 of file rephist.c.

◆ rep_hist_load_state()

int rep_hist_load_state	(	or_state_t *	state,
		char **	err
	)

Set bandwidth history from the state file we just loaded.

Definition at line 1498 of file rephist.c.

References dir_read_array, dir_write_array, read_array, tor_assert(), and write_array.

◆ rep_hist_log_circuit_handshake_stats()

void rep_hist_log_circuit_handshake_stats ( time_t now )

Log our onionskin statistics since the last time we were called.

Definition at line 2460 of file rephist.c.

◆ rep_hist_log_link_protocol_counts()

void rep_hist_log_link_protocol_counts ( void )

Log a heartbeat message explaining how many connections of each link protocol version we have used.

Definition at line 2875 of file rephist.c.

◆ rep_hist_make_router_pessimal()

void rep_hist_make_router_pessimal	(	const char *	id,
		time_t	when
	)

Mark a router with ID id as non-Running, and retroactively declare that it has never been running: give it no stability and no WFU.

Definition at line 368 of file rephist.c.

References get_or_history(), rep_hist_note_router_unreachable(), tor_assert(), and or_history_t::weighted_run_length.

◆ rep_hist_note_bytes_read()

void rep_hist_note_bytes_read	(	uint64_t	num_bytes,
		time_t	when
	)

Remember that we wrote num_bytes bytes in second when. (like rep_hist_note_bytes_written() above)

Definition at line 1166 of file rephist.c.

References add_obs(), and read_array.

Referenced by record_num_bytes_transferred_impl().

◆ rep_hist_note_bytes_written()

void rep_hist_note_bytes_written	(	uint64_t	num_bytes,
		time_t	when
	)

Remember that we read num_bytes bytes in second when.

Add num_bytes to the current running total for when.

when can go back to time, but it's safe to ignore calls earlier than the latest when you've heard of.

Definition at line 1149 of file rephist.c.

References add_obs(), and write_array.

Referenced by record_num_bytes_transferred_impl().

◆ rep_hist_note_circuit_handshake_assigned()

void rep_hist_note_circuit_handshake_assigned ( uint16_t type )

We've sent an onionskin (using the type handshake) to a cpuworker.

Definition at line 2452 of file rephist.c.

◆ rep_hist_note_circuit_handshake_requested()

void rep_hist_note_circuit_handshake_requested ( uint16_t type )

A new onionskin (using the type handshake) has arrived.

Definition at line 2443 of file rephist.c.

◆ rep_hist_note_desc_served()

void rep_hist_note_desc_served ( const char * desc )

Called to note that we've served a given descriptor (by digest). Increments the count of descriptors served, and the number of times we've served this descriptor.

Definition at line 2200 of file rephist.c.

References served_descs, and total_descriptor_downloads.

◆ rep_hist_note_dir_bytes_read()

void rep_hist_note_dir_bytes_read	(	uint64_t	num_bytes,
		time_t	when
	)

Remember that we read num_bytes directory bytes in second when. (like rep_hist_note_bytes_written() above)

Definition at line 1185 of file rephist.c.

References add_obs(), and dir_read_array.

Referenced by record_num_bytes_transferred_impl().

◆ rep_hist_note_dir_bytes_written()

void rep_hist_note_dir_bytes_written	(	uint64_t	num_bytes,
		time_t	when
	)

Remember that we wrote num_bytes directory bytes in second when. (like rep_hist_note_bytes_written() above)

Definition at line 1176 of file rephist.c.

References add_obs(), and dir_write_array.

Referenced by record_num_bytes_transferred_impl().

◆ rep_hist_note_exit_bytes()

void rep_hist_note_exit_bytes	(	uint16_t	port,
		size_t	num_written,
		size_t	num_read
	)

Note that we wrote num_written bytes and read num_read bytes to/from an exit connection to port.

Definition at line 1785 of file rephist.c.

References exit_bytes_read, exit_bytes_written, and start_of_exit_stats_interval.

Referenced by record_num_bytes_transferred_impl().

◆ rep_hist_note_exit_stream_opened()

void rep_hist_note_exit_stream_opened ( uint16_t port )

Note that we opened an exit stream to port.

Definition at line 1799 of file rephist.c.

References exit_streams, and start_of_exit_stats_interval.

◆ rep_hist_note_negotiated_link_proto()

void rep_hist_note_negotiated_link_proto	(	unsigned	link_proto,
		int	started_here
	)

Note that we negotiated link protocol version link_proto, on a connection that started here iff started_here is true.

Definition at line 2701 of file rephist.c.

◆ rep_hist_note_or_conn_bytes()

void rep_hist_note_or_conn_bytes	(	uint64_t	conn_id,
		size_t	num_read,
		size_t	num_written,
		time_t	when
	)

We read num_read bytes and wrote num_written from/to OR connection conn_id in second when. If this is the first observation in a new interval, sum up the last observations. Add bytes for this connection.

Definition at line 2330 of file rephist.c.

References bidi_next_interval, and start_of_conn_stats_interval.

Referenced by record_num_bytes_transferred_impl().

◆ rep_hist_note_router_reachable()

void rep_hist_note_router_reachable	(	const char *	id,
		const tor_addr_t *	at_addr,
		const uint16_t	at_port,
		time_t	when
	)

We have just decided that this router with identity digest id is reachable, meaning we will give it a "Running" flag for the next while.

Definition at line 241 of file rephist.c.

References get_or_history().

◆ rep_hist_note_router_unreachable()

void rep_hist_note_router_unreachable	(	const char *	id,
		time_t	when
	)

We have just decided that this router is unreachable, meaning we are taking away its "Running" flag.

Definition at line 314 of file rephist.c.

References get_or_history().

Referenced by rep_hist_make_router_pessimal().

◆ rep_hist_padding_count_read()

void rep_hist_padding_count_read ( padding_type_t type )

Count a cell that we've received for padding overhead statistics.

RELAY_COMMAND_DROP and CELL_PADDING are accounted separately. Both should be counted for PADDING_TYPE_TOTAL.

Definition at line 2759 of file rephist.c.

◆ rep_hist_padding_count_timers()

void rep_hist_padding_count_timers ( uint64_t num_timers )

Update the maximum count of total pending channel padding timers in this period.

Definition at line 2717 of file rephist.c.

References padding_counts_t::maximum_chanpad_timers, and padding_current.

◆ rep_hist_padding_count_write()

void rep_hist_padding_count_write ( padding_type_t type )

Count a cell that we sent for padding overhead statistics.

RELAY_COMMAND_DROP and CELL_PADDING are accounted separately. Both should be counted for PADDING_TYPE_TOTAL.

Definition at line 2731 of file rephist.c.

◆ rep_hist_record_mtbf_data()

int rep_hist_record_mtbf_data	(	time_t	now,
		int	missing_means_down
	)

Write MTBF data to disk. Return 0 on success, negative on failure.

If missing_means_down, then if we're about to write an entry that is still considered up but isn't in our routerlist, consider it to be down.

Definition at line 626 of file rephist.c.

◆ rep_hist_reset_buffer_stats()

void rep_hist_reset_buffer_stats ( time_t now )

Clear history of circuit statistics and set the measurement interval start to now.

Definition at line 1915 of file rephist.c.

References circuits_for_buffer_stats, smartlist_clear(), SMARTLIST_FOREACH, start_of_buffer_stats_interval, and tor_free.

Referenced by rep_hist_buffer_stats_term().

◆ rep_hist_reset_conn_stats()

void rep_hist_reset_conn_stats ( time_t now )

Reset counters for conn statistics.

Definition at line 2307 of file rephist.c.

References below_threshold, both_read_and_written, mostly_read, mostly_written, and start_of_conn_stats_interval.

Referenced by rep_hist_conn_stats_term().

◆ rep_hist_reset_exit_stats()

void rep_hist_reset_exit_stats ( time_t now )

Reset counters for exit port statistics.

Definition at line 1568 of file rephist.c.

References exit_bytes_read, exit_bytes_written, EXIT_STATS_NUM_PORTS, exit_streams, and start_of_exit_stats_interval.

◆ rep_hist_reset_padding_counts()

void rep_hist_reset_padding_counts ( void )

Reset our current padding statistics. Called once every 24 hours.

Definition at line 2784 of file rephist.c.

References padding_current.

◆ rep_hist_seen_new_rp_cell()

void rep_hist_seen_new_rp_cell ( void )

We saw a new HS relay cell, Count it!

Definition at line 2556 of file rephist.c.

References hs_stats, and hs_stats_t::rp_relay_cells_seen.

◆ rep_hist_stored_maybe_new_hs()

void rep_hist_stored_maybe_new_hs ( const crypto_pk_t * pubkey )

As HSDirs, we saw another hidden service with public key pubkey. Check whether we have counted it before, if not count it now!

Definition at line 2569 of file rephist.c.

References crypto_pk_get_digest(), DIGEST_LEN, hs_stats, and hs_stats_t::onions_seen_this_period.

◆ rep_hist_update_state()

void rep_hist_update_state ( or_state_t * state )

Update state with the newest bandwidth history. Done before writing out a new state file.

Definition at line 1398 of file rephist.c.

◆ rep_history_clean()

void rep_history_clean ( time_t before )

Remove history info for routers/links that haven't changed since before.

Definition at line 593 of file rephist.c.

References authdir_mode(), or_history_t::changed, free_or_history(), history_map, STABILITY_EPSILON, or_history_t::start_of_run, and or_history_t::total_run_weights.

Referenced by clean_caches_callback(), and rep_hist_dump_stats().

Variable Documentation

◆ rephist_total_alloc

uint64_t rephist_total_alloc

Total number of bytes currently allocated in fields used by rephist.c.

Definition at line 104 of file rephist.c.

Referenced by bw_array_free_(), dumpmemusage(), and free_or_history().

◆ rephist_total_num

uint32_t rephist_total_num

Number of or_history_t objects currently allocated.

Definition at line 106 of file rephist.c.

Referenced by dumpmemusage(), and free_or_history().

Macros

Typedefs

Enumerations

Functions

Variables

Detailed Description

Macro Definition Documentation

◆ REPHIST_CELL_PADDING_COUNTS_INTERVAL

Typedef Documentation

◆ padding_type_t

Enumeration Type Documentation

◆ padding_type_t

Function Documentation

◆ rep_hist_add_buffer_stats()

◆ rep_hist_buffer_stats_add_circ()

◆ rep_hist_buffer_stats_init()

◆ rep_hist_buffer_stats_term()

◆ rep_hist_buffer_stats_write()

◆ rep_hist_conn_stats_init()

◆ rep_hist_conn_stats_term()

◆ rep_hist_conn_stats_write()

◆ rep_hist_desc_stats_init()

◆ rep_hist_desc_stats_term()

◆ rep_hist_desc_stats_write()

◆ rep_hist_downrate_old_runs()

◆ rep_hist_dump_stats()

◆ rep_hist_exit_stats_init()

◆ rep_hist_exit_stats_term()

◆ rep_hist_exit_stats_write()

◆ rep_hist_format_buffer_stats()

◆ rep_hist_format_conn_stats()

◆ rep_hist_format_exit_stats()

◆ rep_hist_free_all()

◆ rep_hist_get_bandwidth_lines()

◆ rep_hist_get_padding_count_lines()

◆ rep_hist_get_stability()

◆ rep_hist_get_uptime()

◆ rep_hist_get_weighted_fractional_uptime()

◆ rep_hist_get_weighted_time_known()

◆ rep_hist_have_measured_enough_stability()

◆ rep_hist_hs_stats_init()

◆ rep_hist_hs_stats_term()

◆ rep_hist_hs_stats_write()

◆ rep_hist_init()

◆ rep_hist_load_mtbf_data()

◆ rep_hist_load_state()

◆ rep_hist_log_circuit_handshake_stats()

◆ rep_hist_log_link_protocol_counts()

◆ rep_hist_make_router_pessimal()

◆ rep_hist_note_bytes_read()

◆ rep_hist_note_bytes_written()

◆ rep_hist_note_circuit_handshake_assigned()

◆ rep_hist_note_circuit_handshake_requested()

◆ rep_hist_note_desc_served()

◆ rep_hist_note_dir_bytes_read()

◆ rep_hist_note_dir_bytes_written()

◆ rep_hist_note_exit_bytes()

◆ rep_hist_note_exit_stream_opened()

◆ rep_hist_note_negotiated_link_proto()

◆ rep_hist_note_or_conn_bytes()

◆ rep_hist_note_router_reachable()

◆ rep_hist_note_router_unreachable()

◆ rep_hist_padding_count_read()

◆ rep_hist_padding_count_timers()

◆ rep_hist_padding_count_write()

◆ rep_hist_record_mtbf_data()

◆ rep_hist_reset_buffer_stats()

◆ rep_hist_reset_conn_stats()

◆ rep_hist_reset_exit_stats()

◆ rep_hist_reset_padding_counts()

◆ rep_hist_seen_new_rp_cell()

◆ rep_hist_stored_maybe_new_hs()

◆ rep_hist_update_state()

◆ rep_history_clean()

Variable Documentation

◆ rephist_total_alloc

◆ rephist_total_num