Time library

Time and time calculations. More...

Collaboration diagram for Time library:

Data Structures
struct	GNUNET_TIME_Absolute
	Time for absolute times used by GNUnet, in microseconds. More...
struct	GNUNET_TIME_Timestamp
	Rounded time for timestamps used by GNUnet, in seconds. More...
struct	GNUNET_TIME_Relative
	Time for relative time used by GNUnet, in microseconds. More...
struct	GNUNET_TIME_RelativeNBO
	Time for relative time used by GNUnet, in microseconds and in network byte order. More...
struct	GNUNET_TIME_AbsoluteNBO
	Time for absolute time used by GNUnet, in microseconds and in network byte order. More...
struct	GNUNET_TIME_TimestampNBO
	Time for timestamps used by GNUnet, in seconds and in network byte order. More...

Macros
#define	GNUNET_TIME_UNIT_ZERO   ((struct GNUNET_TIME_Relative){0})
	Relative time zero. More...
#define	GNUNET_TIME_UNIT_ZERO_ABS   ((struct GNUNET_TIME_Absolute){0})
	Absolute time zero. More...
#define	GNUNET_TIME_UNIT_ZERO_TS   ((struct GNUNET_TIME_Timestamp){{0}})
	Timestamp of zero. More...
#define	GNUNET_TIME_UNIT_MICROSECONDS   GNUNET_TIME_relative_get_unit_ ()
	One microsecond, our basic time unit. More...
#define	GNUNET_TIME_UNIT_MILLISECONDS   GNUNET_TIME_relative_get_millisecond_ ()
	One millisecond. More...
#define	GNUNET_TIME_UNIT_SECONDS   GNUNET_TIME_relative_get_second_ ()
	One second. More...
#define	GNUNET_TIME_UNIT_MINUTES   GNUNET_TIME_relative_get_minute_ ()
	One minute. More...
#define	GNUNET_TIME_UNIT_HOURS   GNUNET_TIME_relative_get_hour_ ()
	One hour. More...
#define	GNUNET_TIME_UNIT_DAYS
	One day. More...
#define	GNUNET_TIME_UNIT_WEEKS
	One week. More...
#define	GNUNET_TIME_UNIT_MONTHS
	One month (30 days). More...
#define	GNUNET_TIME_UNIT_YEARS
	One year (365 days). More...
#define	GNUNET_TIME_UNIT_FOREVER_REL    ((struct GNUNET_TIME_Relative){UINT64_MAX})
	Constant used to specify "forever". More...
#define	GNUNET_TIME_UNIT_FOREVER_ABS    ((struct GNUNET_TIME_Absolute){UINT64_MAX})
	Constant used to specify "forever". More...
#define	GNUNET_TIME_UNIT_FOREVER_TS    ((struct GNUNET_TIME_Timestamp){{UINT64_MAX}})
	Constant used to specify "forever". More...
#define	GNUNET_TIME_STD_EXPONENTIAL_BACKOFF_THRESHOLD    GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 15)
	Threshold after which exponential backoff should not increase (15 m). More...
#define	GNUNET_TIME_STD_BACKOFF(r)
	Perform our standard exponential back-off calculation, starting at 1 ms and then going by a factor of 2 up unto a maximum of 15 m. More...
#define	GNUNET_TIME_absolute_cmp(t1, op, t2)    ((void) (1 op 2), (t1).abs_value_us op (t2).abs_value_us)
	Compare two absolute times. More...
#define	GNUNET_TIME_timestamp_cmp(t1, op, t2)    GNUNET_TIME_absolute_cmp ((t1).abs_time,op,(t2).abs_time)
	Compare two timestamps. More...
#define	GNUNET_TIME_relative_cmp(t1, op, t2)    ((void) (1 op 2), (t1).rel_value_us op (t2).rel_value_us)
	Compare two relative times. More...

Functions
enum GNUNET_GenericReturnValue	GNUNET_STRINGS_fancy_time_to_absolute (const char *fancy_time, struct GNUNET_TIME_Absolute *atime)
	Convert a given fancy human-readable time to our internal representation. More...
enum GNUNET_GenericReturnValue	GNUNET_STRINGS_fancy_time_to_timestamp (const char *fancy_time, struct GNUNET_TIME_Timestamp *atime)
	Convert a given fancy human-readable time to our internal representation. More...
const char *	GNUNET_STRINGS_absolute_time_to_string (struct GNUNET_TIME_Absolute t)
	Like asctime, except for GNUnet time. More...
const char *	GNUNET_STRINGS_relative_time_to_string (struct GNUNET_TIME_Relative delta, int do_round)
	Give relative time in human-readable fancy format. More...
const char *	GNUNET_TIME_timestamp2s (struct GNUNET_TIME_Timestamp ts)
	Convert ts to human-readable timestamp. More...
const char *	GNUNET_TIME_absolute2s (struct GNUNET_TIME_Absolute ts)
	Like asctime, except for GNUnet time. More...
const char *	GNUNET_TIME_relative2s (struct GNUNET_TIME_Relative delta, bool do_round)
	Give relative time in human-readable fancy format. More...
struct GNUNET_TIME_Relative	GNUNET_TIME_randomized_backoff (struct GNUNET_TIME_Relative rt, struct GNUNET_TIME_Relative threshold)
	Randomized exponential back-off, starting at 1 ms and going up by a factor of 2+r, where 0 <= r <= 0.5, up to a maximum of the given threshold. More...
struct GNUNET_TIME_Relative	GNUNET_TIME_randomize (struct GNUNET_TIME_Relative r)
	Return a random time value between 0.5*r and 1.5*r. More...
struct GNUNET_TIME_Relative	GNUNET_TIME_relative_get_zero_ (void)
	Return relative time of 0ms. More...
struct GNUNET_TIME_Absolute	GNUNET_TIME_absolute_get_zero_ (void)
	Return absolute time of 0ms. More...
struct GNUNET_TIME_Relative	GNUNET_TIME_relative_get_unit_ (void)
	Return relative time of 1 microsecond. More...
struct GNUNET_TIME_Relative	GNUNET_TIME_relative_get_millisecond_ (void)
	Return relative time of 1ms. More...
struct GNUNET_TIME_Relative	GNUNET_TIME_relative_get_second_ (void)
	Return relative time of 1s. More...
struct GNUNET_TIME_Relative	GNUNET_TIME_relative_get_minute_ (void)
	Return relative time of 1 minute. More...
struct GNUNET_TIME_Relative	GNUNET_TIME_relative_get_hour_ (void)
	Return relative time of 1 hour. More...
struct GNUNET_TIME_Relative	GNUNET_TIME_relative_get_forever_ (void)
	Return "forever". More...
struct GNUNET_TIME_Absolute	GNUNET_TIME_absolute_get_forever_ (void)
	Return "forever". More...
struct GNUNET_TIME_Absolute	GNUNET_TIME_absolute_get (void)
	Get the current time. More...
struct GNUNET_TIME_Absolute	GNUNET_TIME_relative_to_absolute (struct GNUNET_TIME_Relative rel)
	Convert relative time to an absolute time in the future. More...
struct GNUNET_TIME_Timestamp	GNUNET_TIME_relative_to_timestamp (struct GNUNET_TIME_Relative rel)
	Convert relative time to a timestamp in the future. More...
struct GNUNET_TIME_Timestamp	GNUNET_TIME_absolute_to_timestamp (struct GNUNET_TIME_Absolute at)
	Round an absolute time to a timestamp. More...
struct GNUNET_TIME_Timestamp	GNUNET_TIME_timestamp_get (void)
	Get timestamp representing the current time. More...
struct GNUNET_TIME_Relative	GNUNET_TIME_relative_min (struct GNUNET_TIME_Relative t1, struct GNUNET_TIME_Relative t2)
	Return the minimum of two relative time values. More...
struct GNUNET_TIME_Relative	GNUNET_TIME_relative_max (struct GNUNET_TIME_Relative t1, struct GNUNET_TIME_Relative t2)
	Return the maximum of two relative time values. More...
struct GNUNET_TIME_Absolute	GNUNET_TIME_absolute_min (struct GNUNET_TIME_Absolute t1, struct GNUNET_TIME_Absolute t2)
	Return the minimum of two absolute time values. More...
struct GNUNET_TIME_Absolute	GNUNET_TIME_absolute_max (struct GNUNET_TIME_Absolute t1, struct GNUNET_TIME_Absolute t2)
	Return the maximum of two absolute time values. More...
struct GNUNET_TIME_Absolute	GNUNET_TIME_absolute_round_down (struct GNUNET_TIME_Absolute at, struct GNUNET_TIME_Relative rt)
	Round down absolute time at to multiple of rt. More...
struct GNUNET_TIME_Timestamp	GNUNET_TIME_timestamp_max (struct GNUNET_TIME_Timestamp t1, struct GNUNET_TIME_Timestamp t2)
	Return the maximum of two timestamps. More...
struct GNUNET_TIME_Timestamp	GNUNET_TIME_timestamp_min (struct GNUNET_TIME_Timestamp t1, struct GNUNET_TIME_Timestamp t2)
	Return the minimum of two timestamps. More...
struct GNUNET_TIME_Relative	GNUNET_TIME_absolute_get_remaining (struct GNUNET_TIME_Absolute future)
	Given a timestamp in the future, how much time remains until then? More...
bool	GNUNET_TIME_absolute_approx_eq (struct GNUNET_TIME_Absolute a1, struct GNUNET_TIME_Absolute a2, struct GNUNET_TIME_Relative t)
	Test if a1 and a2 are equal within a margin of error of t. More...
struct GNUNET_TIME_Relative	GNUNET_TIME_calculate_eta (struct GNUNET_TIME_Absolute start, uint64_t finished, uint64_t total)
	Calculate the estimate time of arrival/completion for an operation. More...
struct GNUNET_TIME_Relative	GNUNET_TIME_absolute_get_difference (struct GNUNET_TIME_Absolute start, struct GNUNET_TIME_Absolute end)
	Compute the time difference between the given start and end times. More...
struct GNUNET_TIME_Relative	GNUNET_TIME_absolute_get_duration (struct GNUNET_TIME_Absolute whence)
	Get the duration of an operation as the difference of the current time and the given start time "hence". More...
struct GNUNET_TIME_Absolute	GNUNET_TIME_absolute_add (struct GNUNET_TIME_Absolute start, struct GNUNET_TIME_Relative duration)
	Add a given relative duration to the given start time. More...
struct GNUNET_TIME_Absolute	GNUNET_TIME_absolute_subtract (struct GNUNET_TIME_Absolute start, struct GNUNET_TIME_Relative duration)
	Subtract a given relative duration from the given start time. More...
struct GNUNET_TIME_Relative	GNUNET_TIME_relative_multiply (struct GNUNET_TIME_Relative rel, unsigned long long factor)
	Multiply relative time by a given factor. More...
struct GNUNET_TIME_Relative	GNUNET_TIME_relative_saturating_multiply (struct GNUNET_TIME_Relative rel, unsigned long long factor)
	Saturating multiply relative time by a given factor. More...
struct GNUNET_TIME_Relative	GNUNET_TIME_relative_divide (struct GNUNET_TIME_Relative rel, unsigned long long factor)
	Divide relative time by a given factor. More...
struct GNUNET_TIME_Relative	GNUNET_TIME_relative_add (struct GNUNET_TIME_Relative a1, struct GNUNET_TIME_Relative a2)
	Add relative times together. More...
struct GNUNET_TIME_Relative	GNUNET_TIME_relative_subtract (struct GNUNET_TIME_Relative a1, struct GNUNET_TIME_Relative a2)
	Subtract relative timestamp from the other. More...
struct GNUNET_TIME_RelativeNBO	GNUNET_TIME_relative_hton (struct GNUNET_TIME_Relative a)
	Convert relative time to network byte order. More...
struct GNUNET_TIME_Relative	GNUNET_TIME_relative_ntoh (struct GNUNET_TIME_RelativeNBO a)
	Convert relative time from network byte order. More...
struct GNUNET_TIME_AbsoluteNBO	GNUNET_TIME_absolute_hton (struct GNUNET_TIME_Absolute a)
	Convert absolute time to network byte order. More...
struct GNUNET_TIME_TimestampNBO	GNUNET_TIME_timestamp_hton (struct GNUNET_TIME_Timestamp t)
	Convert timestamp to network byte order. More...
struct GNUNET_TIME_Absolute	GNUNET_TIME_absolute_from_ms (uint64_t ms_after_epoch)
	Convert milliseconds after the UNIX epoch to absolute time. More...
bool	GNUNET_TIME_absolute_is_never (struct GNUNET_TIME_Absolute abs)
	Test if abs is never. More...
bool	GNUNET_TIME_absolute_is_past (struct GNUNET_TIME_Absolute abs)
	Test if abs is truly in the past (excluding now). More...
bool	GNUNET_TIME_absolute_is_zero (struct GNUNET_TIME_Absolute abs)
	Test if abs is truly zero. More...
bool	GNUNET_TIME_absolute_is_future (struct GNUNET_TIME_Absolute abs)
	Test if abs is truly in the future (excluding now). More...
bool	GNUNET_TIME_relative_is_forever (struct GNUNET_TIME_Relative rel)
	Test if rel is forever. More...
bool	GNUNET_TIME_relative_is_zero (struct GNUNET_TIME_Relative rel)
	Test if rel is zero. More...
struct GNUNET_TIME_Absolute	GNUNET_TIME_absolute_from_s (uint64_t s_after_epoch)
	Convert seconds after the UNIX epoch to absolute time. More...
struct GNUNET_TIME_Timestamp	GNUNET_TIME_timestamp_from_s (uint64_t s_after_epoch)
	Convert seconds after the UNIX epoch to timestamp. More...
uint64_t	GNUNET_TIME_timestamp_to_s (struct GNUNET_TIME_Timestamp ts)
	Convert timestamp to number of seconds after the UNIX epoch. More...
struct GNUNET_TIME_Absolute	GNUNET_TIME_absolute_ntoh (struct GNUNET_TIME_AbsoluteNBO a)
	Convert absolute time from network byte order. More...
struct GNUNET_TIME_Timestamp	GNUNET_TIME_timestamp_ntoh (struct GNUNET_TIME_TimestampNBO tn)
	Convert timestamp from network byte order. More...
void	GNUNET_TIME_set_offset (long long offset)
	Set the timestamp offset for this instance. More...
long long	GNUNET_TIME_get_offset (void)
	Get the timestamp offset for this instance. More...
unsigned int	GNUNET_TIME_get_current_year (void)
	Return the current year (e.g. More...
struct GNUNET_TIME_Absolute	GNUNET_TIME_year_to_time (unsigned int year)
	Convert a year to an expiration time of January 1st of that year. More...
unsigned int	GNUNET_TIME_time_to_year (struct GNUNET_TIME_Absolute at)
	Convert an expiration time to the respective year (rounds) More...
struct GNUNET_TIME_Absolute	GNUNET_TIME_absolute_get_monotonic (const struct GNUNET_CONFIGURATION_Handle *cfg)
	Obtain the current time and make sure it is monotonically increasing. More...

Detailed Description

Time and time calculations.

Macro Definition Documentation

GNUNET_TIME_UNIT_ZERO

#define GNUNET_TIME_UNIT_ZERO   ((struct GNUNET_TIME_Relative){0})

Relative time zero.

Definition at line 125 of file gnunet_time_lib.h.

GNUNET_TIME_UNIT_ZERO_ABS

#define GNUNET_TIME_UNIT_ZERO_ABS   ((struct GNUNET_TIME_Absolute){0})

Absolute time zero.

Definition at line 130 of file gnunet_time_lib.h.

GNUNET_TIME_UNIT_ZERO_TS

#define GNUNET_TIME_UNIT_ZERO_TS   ((struct GNUNET_TIME_Timestamp){{0}})

Timestamp of zero.

Definition at line 135 of file gnunet_time_lib.h.

GNUNET_TIME_UNIT_MICROSECONDS

#define GNUNET_TIME_UNIT_MICROSECONDS   GNUNET_TIME_relative_get_unit_ ()

One microsecond, our basic time unit.

Definition at line 140 of file gnunet_time_lib.h.

GNUNET_TIME_UNIT_MILLISECONDS

#define GNUNET_TIME_UNIT_MILLISECONDS   GNUNET_TIME_relative_get_millisecond_ ()

One millisecond.

Definition at line 145 of file gnunet_time_lib.h.

GNUNET_TIME_UNIT_SECONDS

#define GNUNET_TIME_UNIT_SECONDS   GNUNET_TIME_relative_get_second_ ()

One second.

Definition at line 150 of file gnunet_time_lib.h.

GNUNET_TIME_UNIT_MINUTES

#define GNUNET_TIME_UNIT_MINUTES   GNUNET_TIME_relative_get_minute_ ()

One minute.

Definition at line 155 of file gnunet_time_lib.h.

GNUNET_TIME_UNIT_HOURS

#define GNUNET_TIME_UNIT_HOURS   GNUNET_TIME_relative_get_hour_ ()

One hour.

Definition at line 160 of file gnunet_time_lib.h.

GNUNET_TIME_UNIT_DAYS

#define GNUNET_TIME_UNIT_DAYS

Value:

    GNUNET_TIME_relative_multiply ( \
    GNUNET_TIME_UNIT_HOURS, 24)

One day.

Definition at line 165 of file gnunet_time_lib.h.

GNUNET_TIME_UNIT_WEEKS

#define GNUNET_TIME_UNIT_WEEKS

Value:

    GNUNET_TIME_relative_multiply ( \
    GNUNET_TIME_UNIT_DAYS, 7)

One week.

Definition at line 171 of file gnunet_time_lib.h.

GNUNET_TIME_UNIT_MONTHS

#define GNUNET_TIME_UNIT_MONTHS

Value:

    GNUNET_TIME_relative_multiply ( \
    GNUNET_TIME_UNIT_DAYS, 30)

One month (30 days).

Definition at line 177 of file gnunet_time_lib.h.

GNUNET_TIME_UNIT_YEARS

#define GNUNET_TIME_UNIT_YEARS

Value:

    GNUNET_TIME_relative_multiply ( \
    GNUNET_TIME_UNIT_DAYS, 365)

One year (365 days).

Definition at line 183 of file gnunet_time_lib.h.

GNUNET_TIME_UNIT_FOREVER_REL

#define GNUNET_TIME_UNIT_FOREVER_REL    ((struct GNUNET_TIME_Relative){UINT64_MAX})

Constant used to specify "forever".

This constant will be treated specially in all time operations.

Definition at line 190 of file gnunet_time_lib.h.

GNUNET_TIME_UNIT_FOREVER_ABS

#define GNUNET_TIME_UNIT_FOREVER_ABS    ((struct GNUNET_TIME_Absolute){UINT64_MAX})

Constant used to specify "forever".

This constant will be treated specially in all time operations.

Definition at line 197 of file gnunet_time_lib.h.

GNUNET_TIME_UNIT_FOREVER_TS

#define GNUNET_TIME_UNIT_FOREVER_TS    ((struct GNUNET_TIME_Timestamp){{UINT64_MAX}})

Constant used to specify "forever".

This constant will be treated specially in all time operations.

Definition at line 204 of file gnunet_time_lib.h.

GNUNET_TIME_STD_EXPONENTIAL_BACKOFF_THRESHOLD

#define GNUNET_TIME_STD_EXPONENTIAL_BACKOFF_THRESHOLD    GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 15)

Threshold after which exponential backoff should not increase (15 m).

Definition at line 211 of file gnunet_time_lib.h.

GNUNET_TIME_STD_BACKOFF

#define GNUNET_TIME_STD_BACKOFF

(

r

)

Value:

    GNUNET_TIME_relative_min ( \
    GNUNET_TIME_STD_EXPONENTIAL_BACKOFF_THRESHOLD, \
    GNUNET_TIME_relative_multiply ( \
      GNUNET_TIME_relative_max (GNUNET_TIME_UNIT_MILLISECONDS, (r)), 2))

Perform our standard exponential back-off calculation, starting at 1 ms and then going by a factor of 2 up unto a maximum of 15 m.

Parameters

r	current backoff time, initially zero

Definition at line 221 of file gnunet_time_lib.h.

GNUNET_TIME_absolute_cmp

#define GNUNET_TIME_absolute_cmp	(		t1,
			op,
			t2
	)		((void) (1 op 2), (t1).abs_value_us op (t2).abs_value_us)

Compare two absolute times.

Parameters

t1	first time
op	compare operator
t2	second time

Returns

true if t1 op t2

Definition at line 413 of file gnunet_time_lib.h.

GNUNET_TIME_timestamp_cmp

#define GNUNET_TIME_timestamp_cmp	(		t1,
			op,
			t2
	)		GNUNET_TIME_absolute_cmp ((t1).abs_time,op,(t2).abs_time)

Compare two timestamps.

Parameters

t1	first timestamp
op	compare operator
t2	second timestamp

Returns

true if t1 op t2

Definition at line 425 of file gnunet_time_lib.h.

GNUNET_TIME_relative_cmp

#define GNUNET_TIME_relative_cmp	(		t1,
			op,
			t2
	)		((void) (1 op 2), (t1).rel_value_us op (t2).rel_value_us)

Compare two relative times.

Parameters

t1	first time
op	compare operator
t2	second time

Returns

true if t1 op t2

Definition at line 437 of file gnunet_time_lib.h.

Function Documentation

GNUNET_STRINGS_fancy_time_to_absolute()

enum GNUNET_GenericReturnValue GNUNET_STRINGS_fancy_time_to_absolute	(	const char *	fancy_time,
		struct GNUNET_TIME_Absolute *	atime
	)

Convert a given fancy human-readable time to our internal representation.

The human-readable time is expected to be in local time, whereas the returned value will be in UTC.

Parameters

fancy_time	human readable string (e.g. Y-m-d H:M:S)
atime	set to the absolute time

Returns

GNUNET_OK on success, GNUNET_SYSERR on error

Definition at line 138 of file strings.c.

{
  struct tm tv;
  time_t t;
  const char *eos;
 
  if (0 == strcasecmp ("end of time", fancy_time))
  {
    *atime = GNUNET_TIME_UNIT_FOREVER_ABS;
    return GNUNET_OK;
  }
  eos = &fancy_time[strlen (fancy_time)];
  memset (&tv, 0, sizeof(tv));
  if ((eos != strptime (fancy_time, "%a %b %d %H:%M:%S %Y", &tv)) &&
      (eos != strptime (fancy_time, "%c", &tv)) &&
      (eos != strptime (fancy_time, "%Ec", &tv)) &&
      (eos != strptime (fancy_time, "%Y-%m-%d %H:%M:%S", &tv)) &&
      (eos != strptime (fancy_time, "%Y-%m-%d %H:%M", &tv)) &&
      (eos != strptime (fancy_time, "%x", &tv)) &&
      (eos != strptime (fancy_time, "%Ex", &tv)) &&
      (eos != strptime (fancy_time, "%Y-%m-%d", &tv)) &&
      (eos != strptime (fancy_time, "%Y-%m", &tv)) &&
      (eos != strptime (fancy_time, "%Y", &tv)))
    return GNUNET_SYSERR;
  t = mktime (&tv);
  atime->abs_value_us = (uint64_t) ((uint64_t) t * 1000LL * 1000LL);
  return GNUNET_OK;
}

Referenced by database_setup(), parse_expiration(), and sign_cb().

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GNUNET_STRINGS_fancy_time_to_timestamp()

enum GNUNET_GenericReturnValue GNUNET_STRINGS_fancy_time_to_timestamp	(	const char *	fancy_time,
		struct GNUNET_TIME_Timestamp *	atime
	)

Convert a given fancy human-readable time to our internal representation.

The human-readable time is expected to be in local time, whereas the returned value will be in UTC.

Parameters

fancy_time	human readable string (e.g. Y-m-d H:M:S)
atime	set to the absolute time

Returns

GNUNET_OK on success, GNUNET_SYSERR on error

Definition at line 138 of file strings.c.

{
  return GNUNET_STRINGS_fancy_time_to_absolute (fancy_time,
                                                &atime->abs_time);
}

GNUNET_STRINGS_absolute_time_to_string()

const char* GNUNET_STRINGS_absolute_time_to_string

(

struct GNUNET_TIME_Absolute

t

)

Like asctime, except for GNUnet time.

Converts a GNUnet internal absolute time (which is in UTC) to a string in local time. Note that the returned value will be overwritten if this function is called again.

Parameters

t	the absolute time to convert

Returns

timestamp in human-readable form in local time

Definition at line 616 of file strings.c.

{
  static GNUNET_THREAD_LOCAL char buf[255];
  time_t tt;
  struct tm *tp;
 
  if (GNUNET_TIME_absolute_is_never (t))
    return "end of time";
  tt = t.abs_value_us / 1000LL / 1000LL;
  tp = localtime (&tt);
  /* This is hacky, but i don't know a way to detect libc character encoding.
   * Just expect utf8 from glibc these days.
   * As for msvcrt, use the wide variant, which always returns utf16
   * (otherwise we'd have to detect current codepage or use W32API character
   * set conversion routines to convert to UTF8).
   */
  strftime (buf, sizeof(buf), "%a %b %d %H:%M:%S %Y", tp);
 
  return buf;
}

References buf, GNUNET_THREAD_LOCAL, GNUNET_TIME_absolute_is_never(), t, and tt.

Referenced by dispatch_job(), display_record(), do_rekey(), dump_pc(), execute_get(), fragmented_message_done(), get_resp_callback(), GNUNET_FS_meta_data_add_publication_date(), got_hello(), handle_dht_response(), handle_namecache_block_response(), handle_p2p_estimate(), handle_validation_response(), inject_rekey(), learn_dv_path(), monitor_cb(), monitor_notify_connect(), monitor_notify_disconnect(), namecache_sqlite_cache_block(), neighbours_changed_notification(), ns_lookup_result_cb(), parse_expiration(), print_info(), print_plugin_event_info(), printer(), printer_watch(), process_queue(), process_record(), put_callback(), select_loop(), set_state_and_timeout(), sqlite_plugin_put(), store_and_free_entries(), store_pi(), timeout_cb(), transmit_item(), transmit_on_queue(), transmit_task_cb(), update_pm_next_attempt(), and warn_monitor_slow().

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GNUNET_STRINGS_relative_time_to_string()

const char* GNUNET_STRINGS_relative_time_to_string	(	struct GNUNET_TIME_Relative	delta,
		int	do_round
	)

Give relative time in human-readable fancy format.

This is one of the very few calls in the entire API that is NOT reentrant!

Parameters

delta	time in milli seconds
do_round	are we allowed to round a bit?

Returns

string in human-readable form

Definition at line 569 of file strings.c.

{
  static GNUNET_THREAD_LOCAL char buf[128];
  const char *unit = /* time unit */ "µs";
  uint64_t dval = delta.rel_value_us;
 
  if (GNUNET_TIME_UNIT_FOREVER_REL.rel_value_us == delta.rel_value_us)
    return "forever";
  if (0 == delta.rel_value_us)
    return "0 ms";
  if (((GNUNET_YES == do_round) && (dval > 5 * 1000)) || (0 == (dval % 1000)))
  {
    dval = dval / 1000;
    unit = /* time unit */ "ms";
    if (((GNUNET_YES == do_round) && (dval > 5 * 1000)) || (0 == (dval % 1000)))
    {
      dval = dval / 1000;
      unit = /* time unit */ "s";
      if (((GNUNET_YES == do_round) && (dval > 5 * 60)) || (0 == (dval % 60)))
      {
        dval = dval / 60;
        unit = /* time unit */ "m";
        if (((GNUNET_YES == do_round) && (dval > 5 * 60)) || (0 == (dval % 60)))
        {
          dval = dval / 60;
          unit = /* time unit */ "h";
          if (((GNUNET_YES == do_round) && (dval > 5 * 24)) ||
              (0 == (dval % 24)))
          {
            dval = dval / 24;
            if (1 == dval)
              unit = /* time unit */ "day";
            else
              unit = /* time unit */ "days";
          }
        }
      }
    }
  }
  GNUNET_snprintf (buf, sizeof(buf), "%llu %s",
                   (unsigned long long) dval, unit);
  return buf;
}

References buf, delta, do_round(), GNUNET_snprintf(), GNUNET_THREAD_LOCAL, GNUNET_TIME_UNIT_FOREVER_REL, GNUNET_YES, and GNUNET_TIME_Relative::rel_value_us.

Referenced by ack_proc(), ats_reserve_callback(), channel_open_sent_cb(), client_receive(), client_receive_mst_cb(), client_session_timeout(), connect_fail_continuation(), consider_sending_fc(), data_sent_cb(), delay_warning(), delayed_restart_task(), disconnect_and_schedule_reconnect(), display_record(), do_directory_scan(), do_disconnect(), do_shutdown(), do_speedup(), experiment_done_cb(), expired_processor(), find_proof(), flush_bulk(), fragmented_message_done(), GNUNET_ATS_solver_logging_start(), GNUNET_ATS_solvers_experimentation_load(), GNUNET_ATS_solvers_experimentation_run(), GNUNET_BANDWIDTH_value_get_available_until(), GNUNET_DATASTORE_put(), GNUNET_HOSTLIST_client_start(), GNUNET_SCHEDULER_do_work(), GNUNET_SPEEDUP_start_(), GSC_CLIENTS_solicit_request(), GSF_block_peer_migration_(), GST_ats_block_address(), GST_ats_update_delay(), GST_manipulation_init(), GST_manipulation_send(), GST_neighbours_calculate_receive_delay(), GST_validation_start(), handle_announce(), handle_client_join(), handle_client_send(), handle_data(), handle_dv_learn(), handle_encrypted(), handle_p2p_migration_stop(), handle_p2p_put(), handle_send_transmit_continuation(), handle_tcp_data(), handler_advertisement(), http_client_plugin_update_inbound_delay(), http_server_plugin_update_inbound_delay(), interpreter_next(), list_callback(), load_episodes(), maint_child_death(), manage_first_hop_mq(), master_task(), monitor_cb(), netjail_exec_run(), odc_warn_delay_task(), parse_expiration(), plan(), print_plugin_event_info(), process_job_queue(), process_mst(), process_stat(), process_stdin(), prof_time(), progress_cb(), put_migration_continuation(), qc_message_sent(), queue_read(), queue_timeout(), quota_processor(), read_process_ack(), receive_ready(), RECLAIM_TICKETS_init(), reconnect(), regex_found_handler(), remove_timeout_messages_and_select(), reschedule_connect(), reservations_reserve(), revalidate_address(), run(), schedule_peer_transmission(), schedule_select_v4(), schedule_select_v6(), search_timed_out(), server_access_cb(), server_receive_mst_cb(), server_session_timeout(), session_timeout(), shutdown_task(), sqlite_plugin_put(), start_dv_learn(), store_completed_cb(), task_check(), task_hostlist_saving(), tcp_plugin_update_inbound_delay(), test_master(), timeout_cb(), timeout_episode(), transmit_item(), transmit_next(), transmit_on_queue(), try_reconnect(), try_transmission(), udp_plugin_send(), update_excess(), update_tracker(), update_velocity(), validation_start_cb(), warn_delay(), warn_delay_task(), warn_no_client_continue(), warn_no_receive_done(), and zone_iteration_finished().

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GNUNET_TIME_timestamp2s()

const char* GNUNET_TIME_timestamp2s

(

struct GNUNET_TIME_Timestamp

ts

)

Convert ts to human-readable timestamp.

Note that the returned value will be overwritten if this function is called again.

Parameters

ts	the timestamp to convert

Returns

statically allocated string, will change on the next call

Definition at line 214 of file time.c.

{
  static GNUNET_THREAD_LOCAL char buf[255];
  time_t tt;
  struct tm *tp;
 
  if (GNUNET_TIME_absolute_is_never (ts.abs_time))
    return "end of time";
  tt = ts.abs_time.abs_value_us / 1000LL / 1000LL;
  tp = localtime (&tt);
  /* This is hacky, but i don't know a way to detect libc character encoding.
   * Just expect utf8 from glibc these days.
   * As for msvcrt, use the wide variant, which always returns utf16
   * (otherwise we'd have to detect current codepage or use W32API character
   * set conversion routines to convert to UTF8).
   */
  strftime (buf,
            sizeof(buf),
            "%a %b %d %H:%M:%S %Y",
            tp);
  return buf;
}

References GNUNET_TIME_Timestamp::abs_time, GNUNET_TIME_Absolute::abs_value_us, buf, GNUNET_THREAD_LOCAL, GNUNET_TIME_absolute_is_never(), and tt.

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GNUNET_TIME_absolute2s()

const char* GNUNET_TIME_absolute2s

(

struct GNUNET_TIME_Absolute

ts

)

Like asctime, except for GNUnet time.

Converts a GNUnet internal absolute time (which is in UTC) to a string in local time. Note that the returned value will be overwritten if this function is called again.

Parameters

ts	the absolute time to convert

Returns

timestamp in human-readable form in local time

Definition at line 239 of file time.c.

{
  static GNUNET_THREAD_LOCAL char buf[255];
  time_t tt;
  struct tm *tp;
 
  if (GNUNET_TIME_absolute_is_never (t))
    return "end of time";
  tt = t.abs_value_us / 1000LL / 1000LL;
  tp = localtime (&tt);
  /* This is hacky, but i don't know a way to detect libc character encoding.
   * Just expect utf8 from glibc these days.
   * As for msvcrt, use the wide variant, which always returns utf16
   * (otherwise we'd have to detect current codepage or use W32API character
   * set conversion routines to convert to UTF8).
   */
  strftime (buf,
            sizeof(buf),
            "%a %b %d %H:%M:%S %Y",
            tp);
  return buf;
}

References buf, GNUNET_THREAD_LOCAL, GNUNET_TIME_absolute_is_never(), t, and tt.

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GNUNET_TIME_relative2s()

const char* GNUNET_TIME_relative2s	(	struct GNUNET_TIME_Relative	delta,
		bool	do_round
	)

Give relative time in human-readable fancy format.

This is one of the very few calls in the entire API that is NOT reentrant!

Parameters

delta	time in milli seconds
do_round	are we allowed to round a bit?

Returns

string in human-readable form

Definition at line 264 of file time.c.

{
  static GNUNET_THREAD_LOCAL char buf[128];
  const char *unit = /* time unit */ "µs";
  uint64_t dval = delta.rel_value_us;
 
  if (GNUNET_TIME_relative_is_forever (delta))
    return "forever";
  if (0 == delta.rel_value_us)
    return "0 ms";
  if ( ((GNUNET_YES == do_round) &&
        (dval > 5 * 1000)) ||
       (0 == (dval % 1000)))
  {
    dval = dval / 1000;
    unit = /* time unit */ "ms";
    if (((GNUNET_YES == do_round) && (dval > 5 * 1000)) || (0 == (dval % 1000)))
    {
      dval = dval / 1000;
      unit = /* time unit */ "s";
      if (((GNUNET_YES == do_round) && (dval > 5 * 60)) || (0 == (dval % 60)))
      {
        dval = dval / 60;
        unit = /* time unit */ "m";
        if (((GNUNET_YES == do_round) && (dval > 5 * 60)) || (0 == (dval % 60)))
        {
          dval = dval / 60;
          unit = /* time unit */ "h";
          if (((GNUNET_YES == do_round) && (dval > 5 * 24)) ||
              (0 == (dval % 24)))
          {
            dval = dval / 24;
            if (1 == dval)
              unit = /* time unit */ "day";
            else
              unit = /* time unit */ "days";
          }
        }
      }
    }
  }
  GNUNET_snprintf (buf,
                   sizeof(buf),
                   "%llu %s",
                   (unsigned long long) dval,
                   unit);
  return buf;
}

Referenced by GNUNET_CURL_perform2().

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GNUNET_TIME_randomized_backoff()

struct GNUNET_TIME_Relative GNUNET_TIME_randomized_backoff	(	struct GNUNET_TIME_Relative	rt,
		struct GNUNET_TIME_Relative	threshold
	)

Randomized exponential back-off, starting at 1 ms and going up by a factor of 2+r, where 0 <= r <= 0.5, up to a maximum of the given threshold.

Parameters

rt	current backoff time, initially zero
threshold	maximum value for backoff

Returns

the next backoff time

Definition at line 779 of file time.c.

{
  double r = (rand () % 500) / 1000.0;
  struct GNUNET_TIME_Relative t;
 
  t = relative_multiply_double (
    GNUNET_TIME_relative_max (GNUNET_TIME_UNIT_MILLISECONDS, rt),
    2 + r);
  return GNUNET_TIME_relative_min (threshold, t);
}

Referenced by error_handler(), and validation_start_cb().

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GNUNET_TIME_randomize()

struct GNUNET_TIME_Relative GNUNET_TIME_randomize

(

struct GNUNET_TIME_Relative

r

)

Return a random time value between 0.5*r and 1.5*r.

Parameters

r	input time for scaling

Returns

randomized time

Definition at line 844 of file time.c.

{
  double d = ((rand () % 1001) + 500) / 1000.0;
 
  return relative_multiply_double (r, d);
}

Referenced by start_dv_learn().

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GNUNET_TIME_relative_get_zero_()

struct GNUNET_TIME_Relative GNUNET_TIME_relative_get_zero_

(

void

)

Return relative time of 0ms.

Definition at line 63 of file time.c.

{
  static struct GNUNET_TIME_Relative zero;
 
  return zero;
}

Referenced by callback_verify_room_message(), create_handle(), delayed_disconnect_channel(), on_identity(), and solve_srv_room_member_collisions().

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GNUNET_TIME_absolute_get_zero_()

struct GNUNET_TIME_Absolute GNUNET_TIME_absolute_get_zero_

(

void

)

Return absolute time of 0ms.

Definition at line 63 of file time.c.

{
  static struct GNUNET_TIME_Absolute zero;
 
  return zero;
}

Referenced by create_operation(), and stop_operation().

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GNUNET_TIME_relative_get_unit_()

struct GNUNET_TIME_Relative GNUNET_TIME_relative_get_unit_

(

void

)

Return relative time of 1 microsecond.

Definition at line 63 of file time.c.

{
  static struct GNUNET_TIME_Relative one = { 1 };
 
  return one;
}

GNUNET_TIME_relative_get_millisecond_()

struct GNUNET_TIME_Relative GNUNET_TIME_relative_get_millisecond_

(

void

)

Return relative time of 1ms.

Definition at line 63 of file time.c.

{
  static struct GNUNET_TIME_Relative one = { 1000 };
 
  return one;
}

GNUNET_TIME_relative_get_second_()

struct GNUNET_TIME_Relative GNUNET_TIME_relative_get_second_

(

void

)

Return relative time of 1s.

Definition at line 63 of file time.c.

{
  static struct GNUNET_TIME_Relative one = { 1000 * 1000LL };
 
  return one;
}

Referenced by login_cont().

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GNUNET_TIME_relative_get_minute_()

struct GNUNET_TIME_Relative GNUNET_TIME_relative_get_minute_

(

void

)

Return relative time of 1 minute.

Definition at line 63 of file time.c.

{
  static struct GNUNET_TIME_Relative one = { 60 * 1000 * 1000LL };
 
  return one;
}

Referenced by register_reciever().

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GNUNET_TIME_relative_get_hour_()

struct GNUNET_TIME_Relative GNUNET_TIME_relative_get_hour_

(

void

)

Return relative time of 1 hour.

Definition at line 63 of file time.c.

{
  static struct GNUNET_TIME_Relative one = { 60 * 60 * 1000 * 1000LL };
 
  return one;
}

GNUNET_TIME_relative_get_forever_()

struct GNUNET_TIME_Relative GNUNET_TIME_relative_get_forever_

(

void

)

Return "forever".

Definition at line 63 of file time.c.

{
  static struct GNUNET_TIME_Relative forever = { UINT64_MAX };
 
  return forever;
}

Referenced by delete_srv_room_message(), and main().

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GNUNET_TIME_absolute_get_forever_()

struct GNUNET_TIME_Absolute GNUNET_TIME_absolute_get_forever_

(

void

)

Return "forever".

Definition at line 63 of file time.c.

{
  static struct GNUNET_TIME_Absolute forever = { UINT64_MAX };
 
  return forever;
}

GNUNET_TIME_absolute_get()

struct GNUNET_TIME_Absolute GNUNET_TIME_absolute_get

(

void

)

Get the current time.

Returns

the current time

Definition at line 63 of file time.c.

{
  struct GNUNET_TIME_Absolute ret;
  struct timeval tv;
 
  gettimeofday (&tv, NULL);
  ret.abs_value_us = (uint64_t) (((uint64_t) tv.tv_sec * 1000LL * 1000LL)
                                 + ((uint64_t) tv.tv_usec))
                     + timestamp_offset;
  return ret;
}

Referenced by ack_proc(), add_valid_address(), add_without_sets(), announce_id(), batch_run(), cache_nick(), check_dht_local_get_result_seen(), check_iteration_start(), check_vl_transmission(), cleanup_expired_records(), client_receive(), client_receive_mst_cb(), code_redirect(), consider_for_advertising(), consider_path_cb(), continue_store_activity(), cookie_identity_interpretation(), core_init(), create_download_context(), create_member_session(), create_peers(), create_session(), cron_clean_data_hosts(), cummulative_ack(), data_sent_cb(), dht_connect_cb(), do_directory_scan(), do_transmit(), event_cb(), expire_blocks(), expired_processor(), find_proof(), flush_bulk(), GAS_addresses_add(), GAS_addresses_update(), GCC_handle_connection_create_ack(), GCC_handle_encrypted(), GCC_transmit(), GCT_add_inbound_connection(), GDS_ROUTING_add(), generate_id_token_body(), get_age(), get_any(), get_nick_record(), get_redirect_state(), get_typed(), GNUNET_ATS_solver_generate_preferences_start(), GNUNET_ATS_solver_generate_property_start(), GNUNET_ATS_solver_logging_now(), GNUNET_ATS_solvers_experimentation_run(), GNUNET_BANDWIDTH_tracker_init2(), GNUNET_CRYPTO_random_timeflake(), GNUNET_FS_meta_data_add_publication_date(), GNUNET_FS_publish_main_(), GNUNET_FS_queue_(), GNUNET_FS_search_probe_progress_(), GNUNET_FS_unindex_start(), GNUNET_LOAD_value_init(), GNUNET_SCHEDULER_add_at_with_priority(), GNUNET_SCHEDULER_add_now(), GNUNET_SCHEDULER_add_select(), GNUNET_SCHEDULER_add_shutdown(), GNUNET_SCHEDULER_add_with_reason_and_priority(), GNUNET_SCHEDULER_do_work(), GNUNET_SCHEDULER_run(), GNUNET_SERVER_connect_socket(), GNUNET_SERVER_inject(), GNUNET_TESTING_cmd_batch_next_(), GNUNET_TIME_absolute_from_ms(), GNUNET_TIME_absolute_is_past(), GSC_KX_encrypt_and_transmit(), GSC_SESSIONS_set_typemap(), GSF_peer_transmit_(), GSF_pending_request_create_(), GSF_pending_request_get_message_(), GST_validation_start(), handle_client_send(), handle_client_send_request(), handle_connection_create(), handle_dht_p2p_put(), handle_dht_reply(), handle_dummy(), handle_dv_learn(), handle_ephemeral_key(), handle_fragment_box(), handle_icmp_back(), handle_message_delete(), handle_monitor_next(), handle_p2p_estimate(), handle_p2p_put(), handle_stop(), handle_tcp_back(), handle_tcp_data(), handle_tcp_nat_probe(), handle_tcp_welcome(), handle_udp_back(), handler_advertisement(), insert_sorted(), interpreter_next(), interpreter_run(), iterate_zones(), iteration_start(), lookup_authz_cb(), manage_first_hop_mq(), merge_with_nick_records(), monitor_cb(), monitor_notify_connect(), monitor_notify_disconnect(), monitor_unblock(), mylog(), namecache_postgres_expire_blocks(), namecache_sqlite_cache_block(), namecache_sqlite_expire_blocks(), notify_connect(), pack_srv_room_message(), peer_transmit(), postgres_plugin_del(), postgres_plugin_get_closest(), postgres_plugin_get_expiration(), prepare_pending_acknowledgement(), printer(), printer_watch(), process_incoming(), process_local_reply(), process_queue(), process_result(), process_rq_task(), process_stdin(), progress_cb(), read_host_file(), read_process_fragment(), read_start_time(), read_stdio(), RECLAIM_TICKETS_consume(), remove_expired(), route_message(), route_packet(), RPS_sampler_elem_reinit(), run(), sample_load_task(), sampler_mod_get_rand_peer(), scan(), schedule_peer_transmission(), search_start(), select_best_pending_from_link(), send_disconnect(), send_keepalive(), send_kx(), send_kx_auth(), send_simple_single(), send_syn(), send_utilization_data(), service_client_mst_cb(), session_disconnect_adapter(), set_feedback_task(), setup_estimate_message(), setup_job(), setup_neighbour(), setup_state_record(), shutdown_task(), sign_ephemeral_key(), solver_bandwidth_changed_cb(), sqlite_plugin_get_closest(), sqlite_plugin_get_expiration(), start_address_validation(), start_dht_request(), start_download(), start_dv_learn(), start_job(), start_local_query(), start_operation(), start_peers_task(), start_process(), start_publish(), stat_iterator(), store_completed_cb(), store_skipped_key(), switch_member_session(), t_ax_encrypt(), test_exist_cb(), tmt_rdy_ping(), transmit_next(), transmit_ping_if_allowed(), transmit_ready_callback_wrapper(), try_transmission(), udp_plugin_create_session(), udp_plugin_send(), udp_select_send(), unix_plugin_send(), update_active_address(), update_ax_by_kx(), update_excess(), update_hello(), update_hostlist(), update_tracker(), update_velocity(), updateAgedLoad(), and wait_op_completion().

GNUNET_TIME_relative_to_absolute()

struct GNUNET_TIME_Absolute GNUNET_TIME_relative_to_absolute

(

struct GNUNET_TIME_Relative

rel

)

Convert relative time to an absolute time in the future.

Parameters

rel	relative time to convert

Returns

timestamp that is "rel" in the future, or FOREVER if rel==FOREVER (or if we would overflow)

Definition at line 264 of file time.c.

{
  struct GNUNET_TIME_Absolute ret;
 
  if (GNUNET_TIME_relative_is_forever (rel))
    return GNUNET_TIME_UNIT_FOREVER_ABS;
  struct GNUNET_TIME_Absolute now = GNUNET_TIME_absolute_get ();
 
  if (rel.rel_value_us + now.abs_value_us < rel.rel_value_us)
  {
    GNUNET_break (0);  /* overflow... */
    return GNUNET_TIME_UNIT_FOREVER_ABS;
  }
  ret.abs_value_us = rel.rel_value_us + now.abs_value_us;
  return ret;
}

Referenced by add_setter_action(), add_without_sets(), boot_queue(), cadet_reply_proc(), check_for_glue(), client_receive_mst_cb(), client_reschedule_session_timeout(), create_macendpoint(), create_proto_queue(), create_session(), data_sent_cb(), do_dht_put(), download_hostlist(), forward_dv_box(), GNUNET_CONNECTION_notify_transmit_ready(), GNUNET_CONNECTION_receive(), GNUNET_DNSPARSER_parse_record(), GNUNET_OS_command_run(), GNUNET_RESOLVER_hostname_get(), GNUNET_RESOLVER_ip_get(), GNUNET_SCHEDULER_add_delayed_with_priority(), GNUNET_SCHEDULER_add_select(), GSC_SESSIONS_transmit(), GSF_pending_request_create_(), GST_ats_block_address(), GST_manipulation_send(), GST_neighbours_calculate_receive_delay(), GST_neighbours_handle_session_ack(), GST_neighbours_handle_session_syn(), GST_neighbours_handle_session_syn_ack(), GST_neighbours_send(), GST_neighbours_session_terminated(), GST_validation_handle_ping(), GST_validation_handle_pong(), handle_client_call_message(), handle_dht_p2p_put(), handle_dht_reply(), handle_dv_box(), handle_dv_learn(), handle_find_my_hello(), handle_fragment_box(), handle_p2p_migration_stop(), handle_p2p_put(), handle_reliability_box(), handle_validation_response(), http_client_plugin_get_session(), http_client_plugin_update_inbound_delay(), http_server_plugin_update_inbound_delay(), learn_dv_path(), login_cont(), maint_child_death(), make_file(), master_task(), modify_address(), mq_init(), ns_lookup_result_cb(), plan(), print_record(), process_data(), process_record(), process_result(), publish_fs_connect_complete_cb(), put_migration_continuation(), refresh_hello_task(), regex_iterator(), reschedule_peer_timeout(), reschedule_queue_timeout(), reschedule_receiver_timeout(), reschedule_sender_timeout(), reschedule_session_timeout(), result_processor(), revalidate_address(), run(), schedule_next_hello(), send_create(), send_create_ack(), send_keepalive(), send_kx(), send_kx_auth(), send_session_syn_ack_cont(), send_session_syn_cont(), send_syn(), send_syn_ack_message(), send_with_fragmentation(), server_lookup_connection(), server_receive_mst_cb(), server_reschedule_session_timeout(), setup_filter(), setup_out_cipher(), setup_queue(), setup_sender(), sign_ephemeral_key(), start_address_validation(), store_pi(), switch_address_bl_check_cont(), tcp_plugin_send(), tcp_plugin_update_inbound_delay(), transmit_next(), transmit_on_queue(), transmit_ping_if_allowed(), transmit_request(), udp_plugin_create_session(), udp_plugin_send(), unix_plugin_get_session(), update_pm_next_attempt(), update_timeout(), validation_start_cb(), vpn_allocation_cb(), and wlan_plugin_update_session_timeout().

GNUNET_TIME_relative_to_timestamp()

struct GNUNET_TIME_Timestamp GNUNET_TIME_relative_to_timestamp

(

struct GNUNET_TIME_Relative

rel

)

Convert relative time to a timestamp in the future.

Parameters

rel	relative time to convert

Returns

timestamp that is "rel" in the future, or FOREVER if rel==FOREVER (or if we would overflow)

Definition at line 264 of file time.c.

{
  return GNUNET_TIME_absolute_to_timestamp (
    GNUNET_TIME_relative_to_absolute (rel));
}

Referenced by GNUNET_HELLO_builder_add_address().

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GNUNET_TIME_absolute_to_timestamp()

struct GNUNET_TIME_Timestamp GNUNET_TIME_absolute_to_timestamp

(

struct GNUNET_TIME_Absolute

at

)

Round an absolute time to a timestamp.

Parameters

at	time to round

Returns

the result

Definition at line 63 of file time.c.

{
  struct GNUNET_TIME_Timestamp ts;
 
  if (GNUNET_TIME_absolute_is_never (at))
    return GNUNET_TIME_UNIT_FOREVER_TS;
  ts.abs_time.abs_value_us = at.abs_value_us - at.abs_value_us % 1000000;
  return ts;
}

GNUNET_TIME_timestamp_get()

struct GNUNET_TIME_Timestamp GNUNET_TIME_timestamp_get

(

void

)

Get timestamp representing the current time.

Returns

current time, rounded down to seconds

Definition at line 63 of file time.c.

{
  return GNUNET_TIME_absolute_to_timestamp (
    GNUNET_TIME_absolute_get ());
}

GNUNET_TIME_relative_min()

struct GNUNET_TIME_Relative GNUNET_TIME_relative_min	(	struct GNUNET_TIME_Relative	t1,
		struct GNUNET_TIME_Relative	t2
	)

Return the minimum of two relative time values.

Parameters

t1	first timestamp
t2	other timestamp

Returns

timestamp that is smaller

Definition at line 264 of file time.c.

{
  return (t1.rel_value_us < t2.rel_value_us) ? t1 : t2;
}

Referenced by announce_id(), calculate_put_interval(), check_timeouts(), check_zone_namestore_next(), delayed_restart_task(), download_prepare(), find_advertisable_hello(), find_min_max_it(), GNUNET_FRAGMENT_process_ack(), GNUNET_TIME_absolute_approx_eq(), handle_validation_response(), master_task(), process_job_queue(), put_migration_continuation(), reconnect(), revalidate_address(), schedule_next_put(), schedule_next_task(), start_address_validation(), and try_connect_using_address().

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GNUNET_TIME_relative_max()

struct GNUNET_TIME_Relative GNUNET_TIME_relative_max	(	struct GNUNET_TIME_Relative	t1,
		struct GNUNET_TIME_Relative	t2
	)

Return the maximum of two relative time values.

Parameters

t1	first timestamp
t2	other timestamp

Returns

timestamp that is larger

Definition at line 264 of file time.c.

{
  return (t1.rel_value_us > t2.rel_value_us) ? t1 : t2;
}

Referenced by announce_id(), consider_gathering(), data_sent_cb(), do_scheduler_notify(), find_min_max_it(), put_migration_continuation(), reconnect(), schedule_next_task(), send_keep_alive(), and transmit_next().

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GNUNET_TIME_absolute_min()

struct GNUNET_TIME_Absolute GNUNET_TIME_absolute_min	(	struct GNUNET_TIME_Absolute	t1,
		struct GNUNET_TIME_Absolute	t2
	)

Return the minimum of two absolute time values.

Parameters

t1	first timestamp
t2	other timestamp

Returns

timestamp that is smaller

Definition at line 264 of file time.c.

{
  return (t1.abs_value_us < t2.abs_value_us) ? t1 : t2;
}

Referenced by cadet_reply_proc(), cummulative_ack(), find_other_matching(), handle_dht_reply(), handle_p2p_put(), handle_validation_response(), ns_lookup_result_cb(), process_result(), and try_transmission().

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GNUNET_TIME_absolute_max()

struct GNUNET_TIME_Absolute GNUNET_TIME_absolute_max	(	struct GNUNET_TIME_Absolute	t1,
		struct GNUNET_TIME_Absolute	t2
	)

Return the maximum of two absolute time values.

Parameters

t1	first timestamp
t2	other timestamp

Returns

timestamp that is smaller

Definition at line 264 of file time.c.

{
  return (t1.abs_value_us > t2.abs_value_us) ? t1 : t2;
}

Referenced by add_valid_address(), check_link_down(), find_max_expire(), handle_dht_result(), learn_dv_path(), neighbour_dv_monotime_cb(), timeout_hello_validation(), transmit_ping_if_allowed(), udp_select_send(), and update_iterator().

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GNUNET_TIME_absolute_round_down()

struct GNUNET_TIME_Absolute GNUNET_TIME_absolute_round_down	(	struct GNUNET_TIME_Absolute	at,
		struct GNUNET_TIME_Relative	rt
	)

Round down absolute time at to multiple of rt.

Parameters

at	absolute time to round
rt	multiple to round to (non-zero)

Returns

rounded time

Definition at line 264 of file time.c.

{
  struct GNUNET_TIME_Absolute ret;
 
  GNUNET_assert (! GNUNET_TIME_relative_is_zero (rt));
  ret.abs_value_us
    = at.abs_value_us
    - at.abs_value_us % rt.rel_value_us;
  return ret;
}

GNUNET_TIME_timestamp_max()

struct GNUNET_TIME_Timestamp GNUNET_TIME_timestamp_max	(	struct GNUNET_TIME_Timestamp	t1,
		struct GNUNET_TIME_Timestamp	t2
	)

Return the maximum of two timestamps.

Parameters

t1	first timestamp
t2	other timestamp

Returns

timestamp that is smaller

Definition at line 264 of file time.c.

{
  return (t1.abs_time.abs_value_us > t2.abs_time.abs_value_us) ? t1 : t2;
}

GNUNET_TIME_timestamp_min()

struct GNUNET_TIME_Timestamp GNUNET_TIME_timestamp_min	(	struct GNUNET_TIME_Timestamp	t1,
		struct GNUNET_TIME_Timestamp	t2
	)

Return the minimum of two timestamps.

Parameters

t1	first timestamp
t2	other timestamp

Returns

timestamp that is smaller

Definition at line 264 of file time.c.

{
  return (t1.abs_time.abs_value_us < t2.abs_time.abs_value_us) ? t1 : t2;
}

GNUNET_TIME_absolute_get_remaining()

struct GNUNET_TIME_Relative GNUNET_TIME_absolute_get_remaining

(

struct GNUNET_TIME_Absolute

future

)

Given a timestamp in the future, how much time remains until then?

Parameters

future

some absolute time, typically in the future

Returns

future - now, or 0 if now >= future, or FOREVER if future==FOREVER.

Definition at line 264 of file time.c.

{
  struct GNUNET_TIME_Relative ret;
 
  if (GNUNET_TIME_absolute_is_never (future))
    return GNUNET_TIME_UNIT_FOREVER_REL;
  struct GNUNET_TIME_Absolute now = GNUNET_TIME_absolute_get ();
 
  if (now.abs_value_us > future.abs_value_us)
    return GNUNET_TIME_UNIT_ZERO;
  ret.rel_value_us = future.abs_value_us - now.abs_value_us;
  return ret;
}

Referenced by add_record(), add_valid_address(), announce_id(), backtalker_timeout_cb(), check_for_glue(), check_has_addr(), check_link_down(), check_proof_of_work(), check_timeouts(), client_session_timeout(), cmd_read(), connect_success_continuation(), connection_ready_cb(), consider_peer_destroy(), core_read_finished_cb(), count_address(), data_sent_cb(), delayed_restart_task(), display_record(), do_dht_put(), download_prepare(), find_advertisable_hello(), GNUNET_CONNECTION_notify_transmit_ready(), GNUNET_CONNECTION_receive(), GNUNET_DATASTORE_put(), GNUNET_GNSRECORD_is_expired(), GNUNET_SCHEDULER_add_at_with_priority(), GSF_block_peer_migration_(), GST_validation_handle_ping(), GST_validation_handle_pong(), handle_cadet_ring_message(), handle_dht_response(), handle_encrypted(), handle_namecache_block_response(), learn_dv_path(), list_callback(), load_operation(), macendpoint_timeout(), master_task(), monitor_cb(), path_cleanup_cb(), pick_random_dv_hops(), plan(), print_address(), print_plugin_event_info(), process_incoming(), process_job_queue(), process_migration_content(), process_pending_messages(), process_queue(), process_record(), proto_read_kx(), put_migration_continuation(), queue_read(), queue_read_kx(), queue_timeout(), queue_write(), quota_processor(), reassembly_cleanup_task(), remove_timeout_messages_and_select(), revalidate_address(), revive_migration(), schedule_next_hello(), schedule_peer_transmission(), schedule_select_v4(), schedule_select_v6(), select_best_pending_from_link(), select_loop(), send_keep_alive(), send_keepalive(), server_access_cb(), server_session_timeout(), session_timeout(), sqlite_plugin_put(), t_ax_encrypt(), task_download(), timeout_cb(), timeout_hello_validation(), transmit_item(), transmit_ready(), try_connect_using_address(), try_transmission(), try_transmission_to_peer(), udp_plugin_send(), unix_plugin_do_write(), validate_address_iterator(), and validation_start_cb().

GNUNET_TIME_absolute_approx_eq()

bool GNUNET_TIME_absolute_approx_eq	(	struct GNUNET_TIME_Absolute	a1,
		struct GNUNET_TIME_Absolute	a2,
		struct GNUNET_TIME_Relative	t
	)

Test if a1 and a2 are equal within a margin of error of t.

Parameters

a1	time to compare
a2	time to compare
t	tolerance to apply

Returns

true if "|a1-a2|<=t" holds.

Definition at line 63 of file time.c.

{
  struct GNUNET_TIME_Relative delta;
 
  delta = GNUNET_TIME_relative_min (
    GNUNET_TIME_absolute_get_difference (a1, a2),
    GNUNET_TIME_absolute_get_difference (a2, a1));
  return GNUNET_TIME_relative_cmp (delta,
                                   <=,
                                   t);
}

References delta, GNUNET_TIME_absolute_get_difference(), GNUNET_TIME_relative_cmp, GNUNET_TIME_relative_min(), and t.

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GNUNET_TIME_calculate_eta()

struct GNUNET_TIME_Relative GNUNET_TIME_calculate_eta	(	struct GNUNET_TIME_Absolute	start,
		uint64_t	finished,
		uint64_t	total
	)

Calculate the estimate time of arrival/completion for an operation.

Parameters

start	when did the operation start?
finished	how much has been done?
total	how much must be done overall (same unit as for "finished")

Returns

remaining duration for the operation, assuming it continues at the same speed

Definition at line 264 of file time.c.

{
  struct GNUNET_TIME_Relative due;
  double exp;
  struct GNUNET_TIME_Relative ret;
 
  GNUNET_break (finished <= total);
  if (finished >= total)
    return GNUNET_TIME_UNIT_ZERO;
  if (0 == finished)
    return GNUNET_TIME_UNIT_FOREVER_REL;
  due = GNUNET_TIME_absolute_get_duration (start);
  exp = ((double) due.rel_value_us) * ((double) total) / ((double) finished);
  ret.rel_value_us = ((uint64_t) exp) - due.rel_value_us;
  return ret;
}

Referenced by GNUNET_FS_download_make_status_(), GNUNET_FS_publish_make_status_(), GNUNET_FS_unindex_make_status_(), and progress_proc().

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GNUNET_TIME_absolute_get_difference()

struct GNUNET_TIME_Relative GNUNET_TIME_absolute_get_difference	(	struct GNUNET_TIME_Absolute	start,
		struct GNUNET_TIME_Absolute	end
	)

Compute the time difference between the given start and end times.

Use this function instead of actual subtraction to ensure that "FOREVER" and overflows are handled correctly.

Parameters

start	some absolute time
end	some absolute time (typically larger or equal to start)

Returns

0 if start >= end; FOREVER if end==FOREVER; otherwise end - start

Definition at line 264 of file time.c.

{
  struct GNUNET_TIME_Relative ret;
 
  if (GNUNET_TIME_absolute_is_never (end))
    return GNUNET_TIME_UNIT_FOREVER_REL;
  if (end.abs_value_us < start.abs_value_us)
    return GNUNET_TIME_UNIT_ZERO;
  ret.rel_value_us = end.abs_value_us - start.abs_value_us;
  return ret;
}

Referenced by callback_verify_room_message(), client_receive(), expire_blocks(), expired_processor(), GNUNET_ATS_solver_logging_write_to_disk(), GNUNET_TIME_absolute_approx_eq(), handle_client_join(), handle_message_delete(), sampler_mod_get_rand_peer(), send_utilization_data(), solve_srv_room_member_collisions(), and update_timeout().

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GNUNET_TIME_absolute_get_duration()

struct GNUNET_TIME_Relative GNUNET_TIME_absolute_get_duration

(

struct GNUNET_TIME_Absolute

whence

)

Get the duration of an operation as the difference of the current time and the given start time "hence".

Parameters

whence

some absolute time, typically in the past

Returns

0 if hence > now, otherwise now-hence.

Definition at line 264 of file time.c.

{
  struct GNUNET_TIME_Absolute now;
  struct GNUNET_TIME_Relative ret;
 
  now = GNUNET_TIME_absolute_get ();
  if (whence.abs_value_us > now.abs_value_us)
    return GNUNET_TIME_UNIT_ZERO;
  ret.rel_value_us = now.abs_value_us - whence.abs_value_us;
  return ret;
}

Referenced by check_iteration_start(), consider_sending_fc(), do_directory_scan(), do_shutdown(), evaluate_connection(), find_best_address_it(), find_proof(), flush_bulk(), forward_dv_learn(), fragmented_message_done(), get_preference(), get_property(), GNUNET_ATS_solver_logging_now(), GNUNET_BANDWIDTH_tracker_get_available(), GNUNET_CURL_perform2(), GNUNET_FRAGMENT_process_ack(), GNUNET_FS_download_make_status_(), GNUNET_FS_publish_make_status_(), GNUNET_FS_search_make_status_(), GNUNET_FS_search_probe_progress_(), GNUNET_FS_unindex_make_status_(), GNUNET_SCHEDULER_do_work(), GSC_CLIENTS_solicit_request(), GSF_peer_update_performance_(), GSF_update_datastore_delay_(), GST_neighbours_calculate_receive_delay(), GST_validation_handle_pong(), handle_acknowledged(), handle_client_send(), handle_data(), handle_dht_p2p_put(), handle_dv_learn(), handle_encrypted(), handle_fragment_box(), handle_matching_ack(), handle_result(), handle_send_transmit_continuation(), handle_validation_response(), internal_update(), interpreter_next(), iteration_done(), lookup_authz_cb(), maint_child_death(), mylog(), namecache_sqlite_cache_block(), notify_client_chk_update(), odc_warn_delay_task(), peer_transmit(), process_parallel_lookup_result(), process_queue(), process_result(), process_result_with_request(), process_stdin(), prof_time(), progress_cb(), put_migration_continuation(), qc_message_sent(), receive_ready(), regex_found_handler(), run(), schedule_next_task(), set_feedback_task(), shutdown_task(), signal_probe_result(), solver_bandwidth_changed_cb(), stop_job(), store_completed_cb(), test_master(), timeout_episode(), timeout_experiment(), transmit_cummulative_ack_cb(), update_pm_next_attempt(), update_tslots(), update_velocity(), updateAgedLoad(), warn_delay_task(), warn_no_client_continue(), warn_no_receive_done(), and write_start_time().

GNUNET_TIME_absolute_add()

struct GNUNET_TIME_Absolute GNUNET_TIME_absolute_add	(	struct GNUNET_TIME_Absolute	start,
		struct GNUNET_TIME_Relative	duration
	)

Add a given relative duration to the given start time.

Parameters

start	some absolute time
duration	some relative time to add

Returns

FOREVER if either argument is FOREVER or on overflow; start+duration otherwise

Definition at line 264 of file time.c.

{
  struct GNUNET_TIME_Absolute ret;
 
  if (GNUNET_TIME_absolute_is_never (start) ||
      GNUNET_TIME_relative_is_forever (duration))
    return GNUNET_TIME_UNIT_FOREVER_ABS;
  if (start.abs_value_us + duration.rel_value_us < start.abs_value_us)
  {
    GNUNET_break (0);
    return GNUNET_TIME_UNIT_FOREVER_ABS;
  }
  ret.abs_value_us = start.abs_value_us + duration.rel_value_us;
  return ret;
}

Referenced by announce_id(), check_proof_of_work(), core_init(), enqueue_fragment(), generate_id_token_body(), handle_ephemeral_key(), handle_message_delete(), process_incoming(), process_job_queue(), process_queue(), run(), session_disconnect_adapter(), sign_ephemeral(), start_operation(), t_ax_encrypt(), timeout_cb(), udp_plugin_send(), unix_plugin_send(), update_ax_by_kx(), and update_next_challenge_time().

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GNUNET_TIME_absolute_subtract()

struct GNUNET_TIME_Absolute GNUNET_TIME_absolute_subtract	(	struct GNUNET_TIME_Absolute	start,
		struct GNUNET_TIME_Relative	duration
	)

Subtract a given relative duration from the given start time.

Parameters

start	some absolute time
duration	some relative time to subtract

Returns

ZERO if start <= duration, or FOREVER if start time is FOREVER; start-duration otherwise

Definition at line 264 of file time.c.

{
  struct GNUNET_TIME_Absolute ret;
 
  if (start.abs_value_us <= duration.rel_value_us)
    return GNUNET_TIME_UNIT_ZERO_ABS;
  if (GNUNET_TIME_absolute_is_never (start))
    return GNUNET_TIME_UNIT_FOREVER_ABS;
  ret.abs_value_us = start.abs_value_us - duration.rel_value_us;
  return ret;
}

Referenced by GSF_pending_request_create_(), handle_ephemeral_key(), handle_validation_response(), and read_start_time().

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GNUNET_TIME_relative_multiply()

struct GNUNET_TIME_Relative GNUNET_TIME_relative_multiply	(	struct GNUNET_TIME_Relative	rel,
		unsigned long long	factor
	)

Multiply relative time by a given factor.

Parameters

rel	some duration
factor	integer to multiply with

Returns

FOREVER if rel=FOREVER or on overflow; otherwise rel*factor

Definition at line 264 of file time.c.

{
  struct GNUNET_TIME_Relative ret;
 
  if (0 == factor)
    return GNUNET_TIME_UNIT_ZERO;
  if (GNUNET_TIME_relative_is_forever (rel))
    return GNUNET_TIME_UNIT_FOREVER_REL;
  ret.rel_value_us = rel.rel_value_us * factor;
  if (ret.rel_value_us / factor != rel.rel_value_us)
  {
    GNUNET_break (0);
    return GNUNET_TIME_UNIT_FOREVER_REL;
  }
  return ret;
}

Referenced by announce_next_regex(), ats_perf_cb(), ats_perf_mon_cb(), attempt_connect_task(), barrier2_cb(), check_zone_namestore_next(), churn(), cleanup_expired_records(), client_schedule(), connection_create(), consider_gathering(), context_task(), create_macendpoint(), curl_download_prepare(), download_prepare(), expire_records_continuation(), GNUNET_DNSPARSER_parse_record(), GNUNET_REVOCATION_pow_start(), GNUNET_RPS_sub_start(), GNUNET_STATISTICS_destroy(), GNUNET_TESTBED_run(), GSF_pending_request_create_(), handle_connection_create(), handle_dht_p2p_put(), handle_dv_learn(), handle_fragment_box(), handle_p2p_put(), handle_validation_response(), helper_read(), helper_write(), init(), iter_finished(), libgnunet_plugin_transport_udp_init(), login_cont(), lookup_authz_cb(), main(), peer_id_cb(), plan(), process_job_queue(), profiler_cb(), reannounce_regex(), reconnect(), register_sender(), revalidate_address(), run(), run_httpd(), run_with_key(), schedule_missing_requests(), schedule_next_put(), send_find_peer_message(), send_hello(), send_hello_beacon(), start_dv_learn(), start_helper(), start_test(), task_check(), test_master(), timeout_cb(), transmit_on_queue(), udp_plugin_create_session(), and update_pm_next_attempt().

GNUNET_TIME_relative_saturating_multiply()

struct GNUNET_TIME_Relative GNUNET_TIME_relative_saturating_multiply	(	struct GNUNET_TIME_Relative	rel,
		unsigned long long	factor
	)

Saturating multiply relative time by a given factor.

Parameters

rel	some duration
factor	integer to multiply with

Returns

FOREVER if rel=FOREVER or on overflow; otherwise rel*factor

Definition at line 264 of file time.c.

{
  struct GNUNET_TIME_Relative ret;
 
  if (0 == factor)
    return GNUNET_TIME_UNIT_ZERO;
  if (GNUNET_TIME_relative_is_forever (rel))
    return GNUNET_TIME_UNIT_FOREVER_REL;
  ret.rel_value_us = rel.rel_value_us * factor;
  if (ret.rel_value_us / factor != rel.rel_value_us)
  {
    return GNUNET_TIME_UNIT_FOREVER_REL;
  }
  return ret;
}

Referenced by daemon_started(), GNUNET_FRAGMENT_context_destroy(), GNUNET_FRAGMENT_process_ack(), GNUNET_FS_search_start_probe_(), process_job_queue(), put_migration_continuation(), reconnect(), schedule_next_task(), transmit_next(), and update_excess().

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GNUNET_TIME_relative_divide()

struct GNUNET_TIME_Relative GNUNET_TIME_relative_divide	(	struct GNUNET_TIME_Relative	rel,
		unsigned long long	factor
	)

Divide relative time by a given factor.

Parameters

rel	some duration
factor	integer to divide by

Returns

FOREVER if rel=FOREVER or factor==0; otherwise rel/factor

Definition at line 264 of file time.c.

{
  struct GNUNET_TIME_Relative ret;
 
  if ((0 == factor) ||
      (GNUNET_TIME_relative_is_forever (rel)))
    return GNUNET_TIME_UNIT_FOREVER_REL;
  ret.rel_value_us = rel.rel_value_us / factor;
  return ret;
}

Referenced by adapt_parallelism(), add_valid_address(), calculate_put_interval(), check_iteration_start(), consider_gathering(), do_shutdown(), find_proof(), GST_neighbours_calculate_receive_delay(), GST_validation_handle_pong(), handle_dht_p2p_put(), handle_dv_learn(), handle_reliability_box(), peerstore_store_own_cb(), schedule_next_put(), send_keep_alive(), start_address_validation(), store_completed_cb(), udp_plugin_send(), update_pm_next_attempt(), and update_timeout().

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GNUNET_TIME_relative_add()

struct GNUNET_TIME_Relative GNUNET_TIME_relative_add	(	struct GNUNET_TIME_Relative	a1,
		struct GNUNET_TIME_Relative	a2
	)

Add relative times together.

Parameters

a1	some relative time
a2	some other relative time

Returns

FOREVER if either argument is FOREVER or on overflow; a1+a2 otherwise

Definition at line 264 of file time.c.

{
  struct GNUNET_TIME_Relative ret;
 
  if ((a1.rel_value_us == UINT64_MAX) || (a2.rel_value_us == UINT64_MAX))
    return GNUNET_TIME_UNIT_FOREVER_REL;
  if (a1.rel_value_us + a2.rel_value_us < a1.rel_value_us)
  {
    GNUNET_break (0);
    return GNUNET_TIME_UNIT_FOREVER_REL;
  }
  ret.rel_value_us = a1.rel_value_us + a2.rel_value_us;
  return ret;
}

Referenced by adapt_parallelism(), forward_dv_learn(), handle_dht_p2p_put(), load_episodes(), process_queue(), process_result(), revalidate_address(), run(), sign_ephemeral_key(), stop_job(), store_completed_cb(), update_pm_next_attempt(), update_tslots(), and update_velocity().

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GNUNET_TIME_relative_subtract()

struct GNUNET_TIME_Relative GNUNET_TIME_relative_subtract	(	struct GNUNET_TIME_Relative	a1,
		struct GNUNET_TIME_Relative	a2
	)

Subtract relative timestamp from the other.

Parameters

a1	first timestamp
a2	second timestamp

Returns

ZERO if a2>=a1 (including both FOREVER), FOREVER if a1 is FOREVER, a1-a2 otherwise

Definition at line 264 of file time.c.

{
  struct GNUNET_TIME_Relative ret;
 
  if (a2.rel_value_us >= a1.rel_value_us)
    return GNUNET_TIME_UNIT_ZERO;
  if (a1.rel_value_us == UINT64_MAX)
    return GNUNET_TIME_UNIT_FOREVER_REL;
  ret.rel_value_us = a1.rel_value_us - a2.rel_value_us;
  return ret;
}

Referenced by check_zone_namestore_next(), GNUNET_FS_search_probe_progress_(), handle_acknowledged(), handle_dv_learn(), learn_dv_path(), store_completed_cb(), and update_velocity().

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GNUNET_TIME_relative_hton()

struct GNUNET_TIME_RelativeNBO GNUNET_TIME_relative_hton

(

struct GNUNET_TIME_Relative

a

)

Convert relative time to network byte order.

Parameters

a	time to convert

Returns

converted time value

Definition at line 264 of file time.c.

{
  struct GNUNET_TIME_RelativeNBO ret;
 
  ret.rel_value_us__ = GNUNET_htonll (a.rel_value_us);
  return ret;
}

Referenced by announce_reconnect(), create_message_delete(), forward_dv_learn(), GAS_handle_reservation_request(), GNUNET_ATS_performance_give_feedback(), GNUNET_ATS_properties_hton(), GNUNET_REVOCATION_pow_start(), GNUNET_RPS_sub_start(), GNUNET_TRANSPORT_address_to_string(), GNUNET_TRANSPORT_communicator_receive(), GNUNET_TRANSPORT_manipulation_set(), GSF_block_peer_migration_(), mq_send_impl(), notify_monitor(), send_add_address(), start_dv_learn(), and transmit_cummulative_ack_cb().

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GNUNET_TIME_relative_ntoh()

struct GNUNET_TIME_Relative GNUNET_TIME_relative_ntoh

(

struct GNUNET_TIME_RelativeNBO

a

)

Convert relative time from network byte order.

Parameters

a	time to convert

Returns

converted time value

Definition at line 264 of file time.c.

{
  struct GNUNET_TIME_Relative ret;
 
  ret.rel_value_us = GNUNET_ntohll (a.rel_value_us__);
  return ret;
}

Referenced by forward_dv_learn(), GNUNET_ATS_properties_ntoh(), GST_manipulation_set_metric(), handle_add_address(), handle_announce(), handle_client_address_to_string(), handle_client_send(), handle_client_start_sub(), handle_dv_learn(), handle_feedback(), handle_message_delete(), handle_monitor_data(), handle_p2p_migration_stop(), handle_reliability_ack(), handle_reservation_result(), and handle_validation_response().

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GNUNET_TIME_absolute_hton()

struct GNUNET_TIME_AbsoluteNBO GNUNET_TIME_absolute_hton

(

struct GNUNET_TIME_Absolute

a

)

Convert absolute time to network byte order.

Parameters

a	time to convert

Returns

converted time value

Definition at line 264 of file time.c.

{
  struct GNUNET_TIME_AbsoluteNBO ret;
 
  ret.abs_value_us__ = GNUNET_htonll (a.abs_value_us);
  return ret;
}

Referenced by check_dht_p2p_put(), client_response_handler(), consider_sending_fc(), create_loc_uri(), do_dht_put(), extract_abs_time_nbo(), get_cb(), GNUNET_CONSENSUS_create(), GNUNET_DATASTORE_put(), GNUNET_DHT_put(), GNUNET_DHT_verify_path(), GNUNET_FS_uri_loc_create(), GNUNET_HELLO_add_address(), GNUNET_HELLO_extract_address(), GNUNET_HELLO_sign_address(), GNUNET_SECRETSHARING_create_session(), GNUNET_SECRETSHARING_decrypt(), GSC_KX_encrypt_and_transmit(), GST_clients_broadcast_peer_notification(), GST_validation_handle_ping(), handle_client_call_message(), handle_client_loc_sign(), handle_datastore_reply(), handle_list(), handle_lookup_block_it(), handle_p2p_reply(), inject_rekey(), monitor_notify_all(), notify_monitor(), pack_srv_room_message(), PEERSTORE_create_record_mq_envelope(), plugin_session_info_cb(), put_action(), regex_iterator(), response_action(), run_edkey(), run_pkey(), send_challenge(), send_create(), send_disconnect(), send_lookup_response_with_filter(), send_msg_with_kx(), send_peer_information(), send_request(), send_simple_single(), send_syn(), send_syn_ack_message(), setup_estimate_message(), setup_flood_message(), sign_ephemeral(), sign_ephemeral_key(), sign_hello(), sign_path(), start_dv_learn(), tmt_rdy_ping(), transmit_content(), transmit_item(), transmit_kx(), transmit_status(), update_backtalker_monotime(), uri_loc_parse(), and validation_transmit_on_queue().

GNUNET_TIME_timestamp_hton()

struct GNUNET_TIME_TimestampNBO GNUNET_TIME_timestamp_hton

(

struct GNUNET_TIME_Timestamp

t

)

Convert timestamp to network byte order.

Parameters

t	time to convert

Returns

converted time value

Definition at line 63 of file time.c.

{
  struct GNUNET_TIME_TimestampNBO tn;
 
  tn.abs_time_nbo = GNUNET_TIME_absolute_hton (t.abs_time);
  return tn;
}

GNUNET_TIME_absolute_from_ms()

struct GNUNET_TIME_Absolute GNUNET_TIME_absolute_from_ms

(

uint64_t

ms_after_epoch

)

Convert milliseconds after the UNIX epoch to absolute time.

Parameters

ms_after_epoch

millisecond timestamp to convert

Returns

converted time value

Definition at line 679 of file time.c.

{
  struct GNUNET_TIME_Absolute ret;
 
  ret.abs_value_us = GNUNET_TIME_UNIT_MILLISECONDS.rel_value_us
                     * ms_after_epoch;
  if (ret.abs_value_us / GNUNET_TIME_UNIT_MILLISECONDS.rel_value_us !=
      ms_after_epoch)
    ret = GNUNET_TIME_UNIT_FOREVER_ABS;
  return ret;
}

References GNUNET_TIME_Absolute::abs_value_us, and GNUNET_TIME_absolute_get().

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GNUNET_TIME_absolute_is_never()

bool GNUNET_TIME_absolute_is_never

(

struct GNUNET_TIME_Absolute

abs

)

Test if abs is never.

Returns

true if it is.

Definition at line 648 of file time.c.

{
  return GNUNET_TIME_UNIT_FOREVER_ABS.abs_value_us == abs.abs_value_us;
}

References GNUNET_TIME_Absolute::abs_value_us, and GNUNET_TIME_UNIT_FOREVER_ABS.

Referenced by GNUNET_JSON_from_timestamp(), GNUNET_STRINGS_absolute_time_to_string(), GNUNET_TIME_absolute2s(), and GNUNET_TIME_timestamp2s().

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GNUNET_TIME_absolute_is_past()

bool GNUNET_TIME_absolute_is_past

(

struct GNUNET_TIME_Absolute

abs

)

Test if abs is truly in the past (excluding now).

Returns

true if it is.

Definition at line 669 of file time.c.

{
  struct GNUNET_TIME_Absolute now;
 
  now = GNUNET_TIME_absolute_get ();
  return abs.abs_value_us < now.abs_value_us;
}

References GNUNET_TIME_Absolute::abs_value_us, and GNUNET_TIME_absolute_get().

Referenced by check_dht_local_put(), check_dht_p2p_hello(), handle_dht_p2p_put(), and handle_find_local_hello().

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GNUNET_TIME_absolute_is_zero()

bool GNUNET_TIME_absolute_is_zero

(

struct GNUNET_TIME_Absolute

abs

)

Test if abs is truly zero.

Returns

true if it is.

Definition at line 844 of file time.c.

{
  return 0 == abs.abs_value_us;
}

GNUNET_TIME_absolute_is_future()

bool GNUNET_TIME_absolute_is_future

(

struct GNUNET_TIME_Absolute

abs

)

Test if abs is truly in the future (excluding now).

Returns

true if it is.

Definition at line 679 of file time.c.

{
  struct GNUNET_TIME_Absolute now;
 
  now = GNUNET_TIME_absolute_get ();
  return abs.abs_value_us > now.abs_value_us;
}

GNUNET_TIME_relative_is_forever()

bool GNUNET_TIME_relative_is_forever

(

struct GNUNET_TIME_Relative

rel

)

Test if rel is forever.

Returns

true if it is.

Definition at line 655 of file time.c.

{
  return GNUNET_TIME_UNIT_FOREVER_REL.rel_value_us == rel.rel_value_us;
}

References GNUNET_TIME_UNIT_FOREVER_REL, and GNUNET_TIME_Relative::rel_value_us.

Referenced by GNUNET_JSON_from_time_rel(), and relative_multiply_double().

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GNUNET_TIME_relative_is_zero()

bool GNUNET_TIME_relative_is_zero

(

struct GNUNET_TIME_Relative

rel

)

Test if rel is zero.

Returns

true if it is.

Definition at line 662 of file time.c.

{
  return 0 == rel.rel_value_us;
}

References GNUNET_TIME_Relative::rel_value_us.

GNUNET_TIME_absolute_from_s()

struct GNUNET_TIME_Absolute GNUNET_TIME_absolute_from_s

(

uint64_t

s_after_epoch

)

Convert seconds after the UNIX epoch to absolute time.

Parameters

s_after_epoch

seconds after epoch to convert

Returns

converted time value

Definition at line 679 of file time.c.

{
  struct GNUNET_TIME_Absolute ret;
 
  ret.abs_value_us = GNUNET_TIME_UNIT_SECONDS.rel_value_us * s_after_epoch;
  if (ret.abs_value_us / GNUNET_TIME_UNIT_SECONDS.rel_value_us !=
      s_after_epoch)
    ret = GNUNET_TIME_UNIT_FOREVER_ABS;
  return ret;
}

Referenced by GNUNET_HELLO_builder_from_url().

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GNUNET_TIME_timestamp_from_s()

struct GNUNET_TIME_Timestamp GNUNET_TIME_timestamp_from_s

(

uint64_t

s_after_epoch

)

Convert seconds after the UNIX epoch to timestamp.

Parameters

s_after_epoch

seconds after epoch to convert

Returns

converted time value

Definition at line 679 of file time.c.

{
  struct GNUNET_TIME_Timestamp ret;
 
  ret.abs_time.abs_value_us
    = GNUNET_TIME_UNIT_SECONDS.rel_value_us * s_after_epoch;
  if (ret.abs_time.abs_value_us / GNUNET_TIME_UNIT_SECONDS.rel_value_us
      != s_after_epoch)
    ret = GNUNET_TIME_UNIT_FOREVER_TS;
  return ret;
}

GNUNET_TIME_timestamp_to_s()

uint64_t GNUNET_TIME_timestamp_to_s

(

struct GNUNET_TIME_Timestamp

ts

)

Convert timestamp to number of seconds after the UNIX epoch.

Parameters

ts	timestamp to convert

Returns

converted time value

Definition at line 730 of file time.c.

{
  return ts.abs_time.abs_value_us / GNUNET_TIME_UNIT_SECONDS.rel_value_us;
}

Referenced by GNUNET_HELLO_builder_add_address().

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GNUNET_TIME_absolute_ntoh()

struct GNUNET_TIME_Absolute GNUNET_TIME_absolute_ntoh

(

struct GNUNET_TIME_AbsoluteNBO

a

)

Convert absolute time from network byte order.

Parameters

a	time to convert

Returns

converted time value

Definition at line 730 of file time.c.

{
  struct GNUNET_TIME_Absolute ret;
 
  ret.abs_value_us = GNUNET_ntohll (a.abs_value_us__);
  return ret;
}

References GNUNET_TIME_Timestamp::abs_time, GNUNET_TIME_Absolute::abs_value_us, and GNUNET_TIME_UNIT_SECONDS.

Referenced by backtalker_monotime_cb(), bind_nbotime(), callback_verify_room_message(), check_client_result(), check_dht_p2p_hello(), check_monitor_put(), check_proof_of_work(), do_dht_put(), do_rekey(), GCP_check_and_update_monotime(), GNUNET_HELLO_builder_from_block(), GNUNET_HELLO_iterate_addresses(), GST_neighbours_handle_disconnect_message(), GST_neighbours_handle_session_syn(), GST_neighbours_handle_session_syn_ack(), GST_validation_handle_pong(), handle_arm_list_result(), handle_cadet_ring_message(), handle_client_decrypt(), handle_client_join(), handle_client_keygen(), handle_client_loc_sign(), handle_client_redirect_to_ip(), handle_client_redirect_to_service(), handle_client_send_request(), handle_data(), handle_dht_local_put(), handle_dht_p2p_put(), handle_dht_result(), handle_dv_box(), handle_dv_learn(), handle_encrypted(), handle_ephemeral_key(), handle_estimate(), handle_event(), handle_flow_control(), handle_lookup_block_response(), handle_message_delete(), handle_message_id(), handle_message_join(), handle_monitor_data(), handle_p2p_estimate(), handle_p2p_put(), handle_put(), handle_receive_info(), handle_record_result(), handle_reply(), handle_response(), handle_result(), handle_signature_response(), handle_status(), handle_validation_response(), handshake_ack_monotime_cb(), handshake_monotime_cb(), inject_rekey(), neighbour_dv_monotime_cb(), PEERSTORE_parse_record_message(), put_cb(), rekey_monotime_cb(), run(), and transmit_task_cb().

GNUNET_TIME_timestamp_ntoh()

struct GNUNET_TIME_Timestamp GNUNET_TIME_timestamp_ntoh

(

struct GNUNET_TIME_TimestampNBO

tn

)

Convert timestamp from network byte order.

Parameters

tn	time to convert

Returns

converted time value

Definition at line 63 of file time.c.

{
  struct GNUNET_TIME_Timestamp t;
 
  t.abs_time = GNUNET_TIME_absolute_ntoh (tn.abs_time_nbo);
  return t;
}

Referenced by GNUNET_JSON_from_timestamp_nbo().

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GNUNET_TIME_set_offset()

void GNUNET_TIME_set_offset

(

long long

offset

)

Set the timestamp offset for this instance.

Parameters

offset

the offset to skew the locale time by

Definition at line 49 of file time.c.

{
  timestamp_offset = offset;
}

References timestamp_offset.

Referenced by do_speedup(), GNUNET_SERVICE_run_(), and LEGACY_SERVICE_run().

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GNUNET_TIME_get_offset()

long long GNUNET_TIME_get_offset

(

void

)

Get the timestamp offset for this instance.

Returns

the offset we currently skew the locale time by

Definition at line 56 of file time.c.

{
  return timestamp_offset;
}

References timestamp_offset.

Referenced by mylog().

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GNUNET_TIME_get_current_year()

unsigned int GNUNET_TIME_get_current_year

(

void

)

Return the current year (e.g.

'2011').

Definition at line 747 of file time.c.

{
  time_t tp;
  struct tm *t;
 
  tp = time (NULL);
  t = gmtime (&tp);
  if (t == NULL)
    return 0;
  return t->tm_year + 1900;
}

References t.

Referenced by main().

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GNUNET_TIME_year_to_time()

struct GNUNET_TIME_Absolute GNUNET_TIME_year_to_time

(

unsigned int

year

)

Convert a year to an expiration time of January 1st of that year.

Parameters

year	a year (after 1970, please ;-)).

Returns

absolute time for January 1st of that year.

Definition at line 779 of file time.c.

{
  struct GNUNET_TIME_Absolute ret;
  time_t tp;
  struct tm t;
 
  memset (&t, 0, sizeof(t));
  if (year < 1900)
  {
    GNUNET_break (0);
    return GNUNET_TIME_absolute_get ();  /* now */
  }
  t.tm_year = year - 1900;
  t.tm_mday = 1;
  t.tm_mon = 0;
  t.tm_wday = 1;
  t.tm_yday = 1;
#ifndef HAVE_TIMEGM
  tp = my_timegm (&t);
#else
  tp = timegm (&t);
#endif
  GNUNET_break (tp != (time_t) -1);
  ret.abs_value_us = tp * 1000LL * 1000LL; /* seconds to microseconds */
  return ret;
}

Referenced by main().

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GNUNET_TIME_time_to_year()

unsigned int GNUNET_TIME_time_to_year

(

struct GNUNET_TIME_Absolute

at

)

Convert an expiration time to the respective year (rounds)

Parameters

at	absolute time

Returns

year a year (after 1970), 0 on error

Definition at line 761 of file time.c.

{
  struct tm *t;
  time_t tp;
 
  tp = at.abs_value_us / 1000LL / 1000LL; /* microseconds to seconds */
  t = gmtime (&tp);
  if (t == NULL)
    return 0;
  return t->tm_year + 1900;
}

References GNUNET_TIME_Absolute::abs_value_us, and t.

GNUNET_TIME_absolute_get_monotonic()

struct GNUNET_TIME_Absolute GNUNET_TIME_absolute_get_monotonic

(

const struct GNUNET_CONFIGURATION_Handle *

cfg

)

Obtain the current time and make sure it is monotonically increasing.

Guards against systems without an RTC or clocks running backwards and other nasty surprises. Does not guarantee that the returned time is near the current time returned by GNUNET_TIME_absolute_get(). Two subsequent calls (within a short time period) may return the same value. Persists the last returned time on disk to ensure that time never goes backwards. As a result, the resulting value can be used to check if a message is the "most recent" value and replays of older messages (from the same origin) would be discarded.

Parameters

cfg	configuration, used to determine where to store the time; user can also insist RTC is working nicely and disable the feature

Returns

monotonically increasing time

Definition at line 844 of file time.c.

{
  static const struct GNUNET_CONFIGURATION_Handle *last_cfg;
  static struct GNUNET_TIME_Absolute last_time;
  static struct GNUNET_DISK_MapHandle *map_handle;
  static ATOMIC volatile uint64_t *map;
  struct GNUNET_TIME_Absolute now;
 
  now = GNUNET_TIME_absolute_get ();
  if (last_cfg != cfg)
  {
    char *filename;
 
    if (NULL != map_handle)
    {
      GNUNET_DISK_file_unmap (map_handle);
      map_handle = NULL;
    }
    map = NULL;
 
    last_cfg = cfg;
    if ((NULL != cfg) &&
        (GNUNET_OK ==
         GNUNET_CONFIGURATION_get_value_filename (cfg,
                                                  "util",
                                                  "MONOTONIC_TIME_FILENAME",
                                                  &filename)))
    {
      struct GNUNET_DISK_FileHandle *fh;
 
      fh = GNUNET_DISK_file_open (filename,
                                  GNUNET_DISK_OPEN_READWRITE
                                  | GNUNET_DISK_OPEN_CREATE,
                                  GNUNET_DISK_PERM_USER_WRITE
                                  | GNUNET_DISK_PERM_GROUP_WRITE
                                  | GNUNET_DISK_PERM_USER_READ
                                  | GNUNET_DISK_PERM_GROUP_READ);
      if (NULL == fh)
      {
        GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
                    _ ("Failed to map `%s', cannot assure monotonic time!\n"),
                    filename);
      }
      else
      {
        off_t size;
 
        size = 0;
        GNUNET_break (GNUNET_OK == GNUNET_DISK_file_handle_size (fh, &size));
        if (size < (off_t) sizeof(*map))
        {
          struct GNUNET_TIME_AbsoluteNBO o;
 
          o = GNUNET_TIME_absolute_hton (now);
          if (sizeof(o) != GNUNET_DISK_file_write (fh, &o, sizeof(o)))
            size = 0;
          else
            size = sizeof(o);
        }
        if (size == sizeof(*map))
        {
          map = GNUNET_DISK_file_map (fh,
                                      &map_handle,
                                      GNUNET_DISK_MAP_TYPE_READWRITE,
                                      sizeof(*map));
          if (NULL == map)
            GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
                        _ (
                          "Failed to map `%s', cannot assure monotonic time!\n"),
                        filename);
        }
        else
        {
          GNUNET_log (
            GNUNET_ERROR_TYPE_WARNING,
            _ (
              "Failed to setup monotonic time file `%s', cannot assure monotonic time!\n"),
            filename);
        }
      }
      GNUNET_DISK_file_close (fh);
      GNUNET_free (filename);
    }
  }
  if (NULL != map)
  {
    struct GNUNET_TIME_AbsoluteNBO mt;
 
#if __STDC_NO_ATOMICS__
#if __GNUC__
    mt.abs_value_us__ = __sync_fetch_and_or (map, 0);
#else
    mt.abs_value_us__ = *map;   /* godspeed, pray this is atomic */
#endif
#else
    mt.abs_value_us__ = atomic_load (map);
#endif
    last_time =
      GNUNET_TIME_absolute_max (GNUNET_TIME_absolute_ntoh (mt), last_time);
  }
  if (now.abs_value_us <= last_time.abs_value_us)
    now.abs_value_us = last_time.abs_value_us + 1;
  last_time = now;
  if (NULL != map)
  {
    uint64_t val = GNUNET_TIME_absolute_hton (now).abs_value_us__;
#if __STDC_NO_ATOMICS__
#if __GNUC__
    (void) __sync_lock_test_and_set (map, val);
#else
    *map = val;   /* godspeed, pray this is atomic */
#endif
#else
    atomic_store (map, val);
#endif
  }
  return now;
}

References GNUNET_TIME_Absolute::abs_value_us.

Referenced by __attribute__(), consider_sending_fc(), inject_rekey(), run(), send_challenge(), send_create(), send_msg_with_kx(), sign_ephemeral(), start_dv_learn(), transmit_kx(), and validation_transmit_on_queue().

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