static void
pow_cb (void *cls, struct GNUNET_SENSOR_crypto_pow_block *block)
{
struct GNUNET_TIME_Absolute end_time;
struct GNUNET_TIME_Relative duration;
pow_task = NULL;
end_time = GNUNET_TIME_absolute_get();
duration = GNUNET_TIME_absolute_get_difference (block->timestamp, end_time);
printf(".");
performed_iterations++;
total_duration = GNUNET_TIME_relative_add (total_duration, duration);
if (ITERATIONS == performed_iterations)
{
total_duration = GNUNET_TIME_relative_divide (total_duration, ITERATIONS);
printf ("Matching bits %d: %s\n", current_matching_bits,
GNUNET_STRINGS_relative_time_to_string(total_duration, GNUNET_NO));
total_duration = GNUNET_TIME_UNIT_ZERO;
performed_iterations = 0;
if (MATCHING_BITS_END == current_matching_bits)
{
ok = 0;
GNUNET_SCHEDULER_cancel (shutdown_task);
GNUNET_SCHEDULER_add_now (do_shutdown, NULL);
return;
}
current_matching_bits ++;
}
GNUNET_SCHEDULER_add_now (&pow_start, NULL);
}
static void
timer (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
static int percentage;
timer_task = GNUNET_SCHEDULER_NO_TASK;
if ((tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) != 0)
return;
percentage += 10;
time_running =
GNUNET_TIME_relative_add (time_running,
GNUNET_TIME_relative_divide (WAIT, 10));
if (time_running.rel_value ==
GNUNET_TIME_relative_max (time_running, WAIT).rel_value)
{
FPRINTF (stderr, "%s", "100%%\n");
shutdown_flag = GNUNET_YES;
GNUNET_SCHEDULER_add_now (&end, NULL);
}
else
{
FPRINTF (stderr, "%u%%..", percentage);
timer_task =
GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_divide (WAIT, 10),
&timer, NULL);
}
}
/**
* Do address validation again to keep address valid.
*
* @param cls the 'struct ValidationEntry'
* @param tc scheduler context (unused)
*/
static void
revalidate_address (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
struct ValidationEntry *ve = cls;
struct GNUNET_TIME_Relative canonical_delay;
struct GNUNET_TIME_Relative delay;
struct GST_BlacklistCheck *bc;
uint32_t rdelay;
ve->revalidation_task = GNUNET_SCHEDULER_NO_TASK;
delay = GNUNET_TIME_absolute_get_remaining (ve->revalidation_block);
/* How long until we can possibly permit the next PING? */
canonical_delay =
(ve->in_use ==
GNUNET_YES) ? CONNECTED_PING_FREQUENCY
: ((GNUNET_TIME_absolute_get_remaining (ve->valid_until).rel_value >
0) ? VALIDATED_PING_FREQUENCY : UNVALIDATED_PING_KEEPALIVE);
if (delay.rel_value > canonical_delay.rel_value * 2)
{
/* situation changed, recalculate delay */
delay = canonical_delay;
ve->revalidation_block = GNUNET_TIME_relative_to_absolute (delay);
}
if (delay.rel_value > 0)
{
/* should wait a bit longer */
ve->revalidation_task =
GNUNET_SCHEDULER_add_delayed (delay, &revalidate_address, ve);
return;
}
ve->revalidation_block = GNUNET_TIME_relative_to_absolute (canonical_delay);
/* schedule next PINGing with some extra random delay to avoid synchronous re-validations */
rdelay =
GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK,
canonical_delay.rel_value);
delay =
GNUNET_TIME_relative_add (canonical_delay,
GNUNET_TIME_relative_multiply
(GNUNET_TIME_UNIT_MILLISECONDS, rdelay));
ve->revalidation_task =
GNUNET_SCHEDULER_add_delayed (delay, &revalidate_address, ve);
/* start PINGing by checking blacklist */
GNUNET_STATISTICS_update (GST_stats,
gettext_noop ("# address revalidations started"), 1,
GNUNET_NO);
bc = GST_blacklist_test_allowed (&ve->pid, ve->address->transport_name,
&transmit_ping_if_allowed, ve);
if (NULL != bc)
ve->bc = bc; /* only set 'bc' if 'transmit_ping_if_allowed' was not already
* called... */
}
/**
* @brief This function initiates the transmission of the next message.
*
* \latexonly \\ \\ \endlatexonly
* \em Detailed \em description \n
* This function initiates the transmission of the next message. In order to do that it dequeues the message from the
* output queue and calls the appropriate GNUnet function for the transmission of the message. The function is implemented as a GNUnet task; this is done in order to decouple it from the
* transmit_ready() function call (see above).
*
* @param cls the GNUnet closure (not used)
* @param tc the GNUnet task context (not used)
*/
static void gnunet_search_flooding_transmit_next(void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc) {
if(!queue_get_length(gnunet_search_flooding_message_queue))
return;
struct gnunet_search_flooding_queued_message *msg = (struct gnunet_search_flooding_queued_message*) queue_dequeue(
gnunet_search_flooding_message_queue);
struct GNUNET_TIME_Relative max_delay = GNUNET_TIME_relative_get_minute_();
struct GNUNET_TIME_Relative gct = GNUNET_TIME_relative_add(max_delay, GNUNET_TIME_relative_get_second_());
GNUNET_CORE_notify_transmit_ready(gnunet_search_flooding_core_handle, 0, 0, max_delay, msg->peer, msg->size,
&gnunet_search_flooding_notify_transmit_ready, msg->buffer);
/*
* Todo: Save and free...
*/
GNUNET_SCHEDULER_add_delayed(gct, &gnunet_search_flooding_queued_message_free_task, msg);
}
int
main (int argc, char *argv[])
{
struct GNUNET_TIME_Absolute now;
struct GNUNET_TIME_AbsoluteNBO nown;
struct GNUNET_TIME_Absolute future;
struct GNUNET_TIME_Absolute past;
struct GNUNET_TIME_Absolute last;
struct GNUNET_TIME_Absolute forever;
struct GNUNET_TIME_Absolute zero;
struct GNUNET_TIME_Relative rel;
struct GNUNET_TIME_Relative relForever;
struct GNUNET_TIME_Relative relUnit;
struct GNUNET_TIME_RelativeNBO reln;
unsigned int i;
GNUNET_log_setup ("test-time", "WARNING", NULL);
forever = GNUNET_TIME_UNIT_FOREVER_ABS;
relForever = GNUNET_TIME_UNIT_FOREVER_REL;
relUnit = GNUNET_TIME_UNIT_MILLISECONDS;
zero.abs_value_us = 0;
last = now = GNUNET_TIME_absolute_get ();
while (now.abs_value_us == last.abs_value_us)
now = GNUNET_TIME_absolute_get ();
GNUNET_assert (now.abs_value_us > last.abs_value_us);
/* test overflow checking in multiply */
rel = GNUNET_TIME_UNIT_MILLISECONDS;
GNUNET_log_skip (1, GNUNET_NO);
for (i = 0; i < 55; i++)
rel = GNUNET_TIME_relative_multiply (rel, 2);
GNUNET_log_skip (0, GNUNET_NO);
GNUNET_assert (rel.rel_value_us == GNUNET_TIME_UNIT_FOREVER_REL.rel_value_us);
/*check zero */
rel.rel_value_us = (UINT64_MAX) - 1024;
GNUNET_assert (GNUNET_TIME_UNIT_ZERO.rel_value_us ==
GNUNET_TIME_relative_multiply (rel, 0).rel_value_us);
/* test infinity-check for relative to absolute */
GNUNET_log_skip (1, GNUNET_NO);
last = GNUNET_TIME_relative_to_absolute (rel);
GNUNET_assert (last.abs_value_us == GNUNET_TIME_UNIT_FOREVER_ABS.abs_value_us);
GNUNET_log_skip (0, GNUNET_YES);
/* check relative to absolute */
rel.rel_value_us = 1000000;
GNUNET_assert (GNUNET_TIME_absolute_get ().abs_value_us <
GNUNET_TIME_relative_to_absolute (rel).abs_value_us);
/*check forever */
rel.rel_value_us = UINT64_MAX;
GNUNET_assert (GNUNET_TIME_UNIT_FOREVER_ABS.abs_value_us ==
GNUNET_TIME_relative_to_absolute (rel).abs_value_us);
/* check overflow for r2a */
rel.rel_value_us = (UINT64_MAX) - 1024;
GNUNET_log_skip (1, GNUNET_NO);
last = GNUNET_TIME_relative_to_absolute (rel);
GNUNET_log_skip (0, GNUNET_NO);
GNUNET_assert (last.abs_value_us == GNUNET_TIME_UNIT_FOREVER_ABS.abs_value_us);
/* check overflow for relative add */
GNUNET_log_skip (1, GNUNET_NO);
rel = GNUNET_TIME_relative_add (rel, rel);
GNUNET_log_skip (0, GNUNET_NO);
GNUNET_assert (rel.rel_value_us == GNUNET_TIME_UNIT_FOREVER_REL.rel_value_us);
GNUNET_log_skip (1, GNUNET_NO);
rel = GNUNET_TIME_relative_add (relForever, relForever);
GNUNET_log_skip (0, GNUNET_NO);
GNUNET_assert (rel.rel_value_us == relForever.rel_value_us);
GNUNET_log_skip (1, GNUNET_NO);
rel = GNUNET_TIME_relative_add (relUnit, relUnit);
GNUNET_assert (rel.rel_value_us == 2 * relUnit.rel_value_us);
/* check relation check in get_duration */
future.abs_value_us = now.abs_value_us + 1000000;
GNUNET_assert (GNUNET_TIME_absolute_get_difference (now, future).rel_value_us ==
1000000);
GNUNET_assert (GNUNET_TIME_absolute_get_difference (future, now).rel_value_us ==
0);
GNUNET_assert (GNUNET_TIME_absolute_get_difference (zero, forever).rel_value_us
== forever.abs_value_us);
past.abs_value_us = now.abs_value_us - 1000000;
rel = GNUNET_TIME_absolute_get_duration (future);
GNUNET_assert (rel.rel_value_us == 0);
rel = GNUNET_TIME_absolute_get_duration (past);
GNUNET_assert (rel.rel_value_us >= 1000000);
/* check get remaining */
rel = GNUNET_TIME_absolute_get_remaining (now);
GNUNET_assert (rel.rel_value_us == 0);
rel = GNUNET_TIME_absolute_get_remaining (past);
GNUNET_assert (rel.rel_value_us == 0);
rel = GNUNET_TIME_absolute_get_remaining (future);
GNUNET_assert (rel.rel_value_us > 0);
GNUNET_assert (rel.rel_value_us <= 1000000);
forever = GNUNET_TIME_UNIT_FOREVER_ABS;
GNUNET_assert (GNUNET_TIME_UNIT_FOREVER_REL.rel_value_us ==
GNUNET_TIME_absolute_get_remaining (forever).rel_value_us);
/* check endianess */
reln = GNUNET_TIME_relative_hton (rel);
GNUNET_assert (rel.rel_value_us == GNUNET_TIME_relative_ntoh (reln).rel_value_us);
nown = GNUNET_TIME_absolute_hton (now);
GNUNET_assert (now.abs_value_us == GNUNET_TIME_absolute_ntoh (nown).abs_value_us);
/* check absolute addition */
future = GNUNET_TIME_absolute_add (now, GNUNET_TIME_UNIT_SECONDS);
GNUNET_assert (future.abs_value_us == now.abs_value_us + 1000 * 1000LL);
future = GNUNET_TIME_absolute_add (forever, GNUNET_TIME_UNIT_ZERO);
GNUNET_assert (future.abs_value_us == forever.abs_value_us);
rel.rel_value_us = (UINT64_MAX) - 1024;
now.abs_value_us = rel.rel_value_us;
future = GNUNET_TIME_absolute_add (now, rel);
GNUNET_assert (future.abs_value_us == forever.abs_value_us);
/* check zero */
future = GNUNET_TIME_absolute_add (now, GNUNET_TIME_UNIT_ZERO);
GNUNET_assert (future.abs_value_us == now.abs_value_us);
GNUNET_assert (forever.abs_value_us ==
GNUNET_TIME_absolute_subtract (forever,
GNUNET_TIME_UNIT_MINUTES).abs_value_us);
/*check absolute subtract */
now.abs_value_us = 50000;
rel.rel_value_us = 100000;
GNUNET_assert (GNUNET_TIME_UNIT_ZERO_ABS.abs_value_us ==
(GNUNET_TIME_absolute_subtract (now, rel)).abs_value_us);
rel.rel_value_us = 10000;
GNUNET_assert (40000 == (GNUNET_TIME_absolute_subtract (now, rel)).abs_value_us);
/*check relative divide */
GNUNET_assert (GNUNET_TIME_UNIT_FOREVER_REL.rel_value_us ==
(GNUNET_TIME_relative_divide (rel, 0)).rel_value_us);
rel = GNUNET_TIME_UNIT_FOREVER_REL;
GNUNET_assert (GNUNET_TIME_UNIT_FOREVER_REL.rel_value_us ==
(GNUNET_TIME_relative_divide (rel, 2)).rel_value_us);
rel = GNUNET_TIME_relative_divide (relUnit, 2);
GNUNET_assert (rel.rel_value_us == relUnit.rel_value_us / 2);
/* check Return absolute time of 0ms */
zero = GNUNET_TIME_UNIT_ZERO_ABS;
/* check GNUNET_TIME_calculate_eta */
last.abs_value_us = GNUNET_TIME_absolute_get ().abs_value_us - 1024;
forever = GNUNET_TIME_UNIT_FOREVER_ABS;
forever.abs_value_us = forever.abs_value_us - 1024;
GNUNET_assert (GNUNET_TIME_UNIT_ZERO_ABS.abs_value_us ==
GNUNET_TIME_calculate_eta (forever, 50000, 100000).rel_value_us);
/* check zero */
GNUNET_log_skip (1, GNUNET_NO);
GNUNET_assert (GNUNET_TIME_UNIT_ZERO.rel_value_us ==
(GNUNET_TIME_calculate_eta (last, 60000, 50000)).rel_value_us);
GNUNET_log_skip (0, GNUNET_YES);
/*check forever */
GNUNET_assert (GNUNET_TIME_UNIT_FOREVER_REL.rel_value_us ==
(GNUNET_TIME_calculate_eta (last, 0, 50000)).rel_value_us);
/*check relative subtract */
now = GNUNET_TIME_absolute_get ();
rel.rel_value_us = now.abs_value_us;
relForever.rel_value_us = rel.rel_value_us + 1024;
GNUNET_assert (1024 ==
GNUNET_TIME_relative_subtract (relForever, rel).rel_value_us);
/*check zero */
GNUNET_assert (GNUNET_TIME_UNIT_ZERO.rel_value_us ==
GNUNET_TIME_relative_subtract (rel, relForever).rel_value_us);
/*check forever */
rel.rel_value_us = UINT64_MAX;
GNUNET_assert (GNUNET_TIME_UNIT_FOREVER_REL.rel_value_us ==
GNUNET_TIME_relative_subtract (rel, relForever).rel_value_us);
/*check GNUNET_TIME_relative_min */
now = GNUNET_TIME_absolute_get ();
rel.rel_value_us = now.abs_value_us;
relForever.rel_value_us = rel.rel_value_us - 1024;
GNUNET_assert (relForever.rel_value_us ==
GNUNET_TIME_relative_min (rel, relForever).rel_value_us);
/*check GNUNET_TIME_relative_max */
GNUNET_assert (rel.rel_value_us ==
GNUNET_TIME_relative_max (rel, relForever).rel_value_us);
/*check GNUNET_TIME_absolute_min */
now = GNUNET_TIME_absolute_get ();
last.abs_value_us = now.abs_value_us - 1024;
GNUNET_assert (last.abs_value_us ==
GNUNET_TIME_absolute_min (now, last).abs_value_us);
/*check GNUNET_TIME_absolute_max */
GNUNET_assert (now.abs_value_us ==
GNUNET_TIME_absolute_max (now, last).abs_value_us);
return 0;
}
/**
* Find a "good" address to use for a peer. If we already have an existing
* address, we stick to it. Otherwise, we pick by lowest distance and then
* by lowest latency.
*
* @param cls the 'struct ATS_Address**' where we store the result
* @param key unused
* @param value another 'struct ATS_Address*' to consider using
* @return GNUNET_OK (continue to iterate)
*/
static int
find_address_it (void *cls, const GNUNET_HashCode * key, void *value)
{
struct ATS_Address **ap = cls;
struct ATS_Address *aa = (struct ATS_Address *) value;
struct ATS_Address *ab = *ap;
struct GNUNET_TIME_Absolute now;
now = GNUNET_TIME_absolute_get();
if (aa->blocked_until.abs_value == GNUNET_TIME_absolute_max (now, aa->blocked_until).abs_value)
{
/* This address is blocked for suggestion */
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Address %p blocked for suggestion for %llu ms \n",
aa,
GNUNET_TIME_absolute_get_difference(now, aa->blocked_until).rel_value);
return GNUNET_OK;
}
aa->block_interval = GNUNET_TIME_relative_add (aa->block_interval, ATS_BLOCKING_DELTA);
aa->blocked_until = GNUNET_TIME_absolute_add (now, aa->block_interval);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Address %p ready for suggestion, block interval now %llu \n", aa, aa->block_interval);
/* FIXME this is a hack */
if (NULL != ab)
{
if ((0 == strcmp (ab->plugin, "tcp")) &&
(0 == strcmp (aa->plugin, "tcp")))
{
if ((0 != ab->addr_len) &&
(0 == aa->addr_len))
{
/* saved address was an outbound address, but we have an inbound address */
*ap = aa;
return GNUNET_OK;
}
if (0 == ab->addr_len)
{
/* saved address was an inbound address, so do not overwrite */
return GNUNET_OK;
}
}
}
/* FIXME end of hack */
if (NULL == ab)
{
*ap = aa;
return GNUNET_OK;
}
if ((ntohl (ab->assigned_bw_in.value__) == 0) &&
(ntohl (aa->assigned_bw_in.value__) > 0))
{
/* stick to existing connection */
*ap = aa;
return GNUNET_OK;
}
if (ab->atsp_distance > aa->atsp_distance)
{
/* user shorter distance */
*ap = aa;
return GNUNET_OK;
}
if (ab->atsp_latency.rel_value > aa->atsp_latency.rel_value)
{
/* user lower latency */
*ap = aa;
return GNUNET_OK;
}
/* don't care */
return GNUNET_OK;
}
static void topology_setup_done (void *cls,
struct BenchmarkPeer *masters,
struct BenchmarkPeer *slaves)
{
GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Topology setup complete!\n");
masters_p = masters;
slaves_p = slaves;
l = GNUNET_ATS_TEST_logging_start (e->log_freq,
e->name,
masters_p,
e->num_masters, e->num_slaves,
opt_verbose);
GNUNET_ATS_TEST_experimentation_run (e, &episode_done_cb, &experiment_done_cb);
/*
GNUNET_ATS_TEST_generate_preferences_start(&masters[0],&masters[0].partners[0],
GNUNET_ATS_TEST_TG_CONSTANT, 1, 1, GNUNET_TIME_UNIT_SECONDS,
GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MILLISECONDS, 250),
GNUNET_ATS_PREFERENCE_BANDWIDTH);
*/
/*
GNUNET_ATS_TEST_generate_preferences_start(&masters[0],&masters[0].partners[0],
GNUNET_ATS_TEST_TG_LINEAR, 1, 50,
GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 2),
GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MILLISECONDS, 250),
GNUNET_ATS_PREFERENCE_BANDWIDTH);
*/
/*
GNUNET_ATS_TEST_generate_preferences_start(&masters[0],&masters[0].partners[0],
GNUNET_ATS_TEST_TG_RANDOM, 1, 50,
GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 2),
GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MILLISECONDS, 250),
GNUNET_ATS_PREFERENCE_BANDWIDTH);
*/
/*
GNUNET_ATS_TEST_generate_preferences_start(&masters[0],&masters[0].partners[0],
GNUNET_ATS_TEST_TG_SINUS, 10, 5,
GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 5),
GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MILLISECONDS, 250),
GNUNET_ATS_PREFERENCE_BANDWIDTH);
*/
#if 0
int c_m;
int c_s;
for (c_m = 0; c_m < e->num_masters; c_m++)
{
for (c_s = 0; c_s < e->num_slaves; c_s++)
{
/* Generate maximum traffic to all peers */
/* Example: Generate traffic with constant 10,000 Bytes/s */
GNUNET_ATS_TEST_generate_traffic_start (&masters[c_m],
&masters[c_m].partners[c_s],
GNUNET_ATS_TEST_TG_CONSTANT,
10000,
GNUNET_TIME_UNIT_FOREVER_REL);
/* Example: Generate traffic with an increasing rate from 1000 to 2000
* Bytes/s with in a minute */
GNUNET_ATS_TEST_generate_traffic_start (&masters[c_m],
&masters[c_m].partners[c_s],
GNUNET_ATS_TEST_TG_LINEAR,
1000,
2000,
GNUNET_TIME_UNIT_MINUTES,
GNUNET_TIME_UNIT_FOREVER_REL);
/* Example: Generate traffic with a random rate between 1000 to 2000
* Bytes/s */
GNUNET_ATS_TEST_generate_traffic_start (&masters[c_m],
&masters[c_m].partners[c_s],
GNUNET_ATS_TEST_TG_RANDOM,
1000,
2000,
GNUNET_TIME_UNIT_FOREVER_REL,
GNUNET_TIME_UNIT_FOREVER_REL);
/* Example: Generate traffic with a sinus form, a base rate of
* 1000 Bytes/s, an amplitude of (max-base), and a period of 1 minute */
GNUNET_ATS_TEST_generate_traffic_start (&masters[c_m],
&masters[c_m].partners[c_s],
GNUNET_ATS_TEST_TG_SINUS,
1000,
2000,
GNUNET_TIME_UNIT_MINUTES,
GNUNET_TIME_UNIT_FOREVER_REL);
}
}
#endif
timeout_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_add (GNUNET_TIME_UNIT_MINUTES,
e->max_duration), &do_shutdown, NULL);
}
