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authorNick Mathewson <nickm@torproject.org>2019-03-13 10:37:37 -0400
committerNick Mathewson <nickm@torproject.org>2019-03-13 10:37:37 -0400
commitcab93930de8888981af63f157f71721ac233db34 (patch)
treeab2844d3f72bca85adcdc5b203ce3f7d55c3ebc1 /src/test/test_circuitpadding.c
parent26b0d95397987a4458cc8afc4142b70f9f797870 (diff)
parent8b64ff7a3f2d9eb0837248a6c9b0e8b438374369 (diff)
downloadtor-cab93930de8888981af63f157f71721ac233db34.tar.gz
tor-cab93930de8888981af63f157f71721ac233db34.zip
Merge branch 'pr_722_squashed'
Diffstat (limited to 'src/test/test_circuitpadding.c')
-rw-r--r--src/test/test_circuitpadding.c30
1 files changed, 16 insertions, 14 deletions
diff --git a/src/test/test_circuitpadding.c b/src/test/test_circuitpadding.c
index 1976e54bb9..a2381023ca 100644
--- a/src/test/test_circuitpadding.c
+++ b/src/test/test_circuitpadding.c
@@ -2097,6 +2097,7 @@ helper_circpad_circ_distribution_machine_setup(int min, int max)
circpad_state_t *zero_st = &circ_client_machine.states[0];
zero_st->next_state[CIRCPAD_EVENT_NONPADDING_RECV] = 1;
zero_st->iat_dist.type = CIRCPAD_DIST_UNIFORM;
+ /* param2 is upper bound, param1 is lower */
zero_st->iat_dist.param1 = min;
zero_st->iat_dist.param2 = max;
zero_st->dist_added_shift_usec = min;
@@ -2105,48 +2106,50 @@ helper_circpad_circ_distribution_machine_setup(int min, int max)
circpad_state_t *first_st = &circ_client_machine.states[1];
first_st->next_state[CIRCPAD_EVENT_NONPADDING_RECV] = 2;
first_st->iat_dist.type = CIRCPAD_DIST_LOGISTIC;
- first_st->iat_dist.param1 = min;
- first_st->iat_dist.param2 = max;
+ /* param1 is Mu, param2 is sigma. */
+ first_st->iat_dist.param1 = 9;
+ first_st->iat_dist.param2 = 3;
first_st->dist_added_shift_usec = min;
first_st->dist_max_sample_usec = max;
circpad_state_t *second_st = &circ_client_machine.states[2];
second_st->next_state[CIRCPAD_EVENT_NONPADDING_RECV] = 3;
second_st->iat_dist.type = CIRCPAD_DIST_LOG_LOGISTIC;
- second_st->iat_dist.param1 = min;
- second_st->iat_dist.param2 = max;
+ /* param1 is Alpha, param2 is 1.0/Beta */
+ second_st->iat_dist.param1 = 1;
+ second_st->iat_dist.param2 = 0.5;
second_st->dist_added_shift_usec = min;
second_st->dist_max_sample_usec = max;
circpad_state_t *third_st = &circ_client_machine.states[3];
third_st->next_state[CIRCPAD_EVENT_NONPADDING_RECV] = 4;
third_st->iat_dist.type = CIRCPAD_DIST_GEOMETRIC;
- third_st->iat_dist.param1 = min;
- third_st->iat_dist.param2 = max;
+ /* param1 is 'p' (success probability) */
+ third_st->iat_dist.param1 = 0.2;
third_st->dist_added_shift_usec = min;
third_st->dist_max_sample_usec = max;
circpad_state_t *fourth_st = &circ_client_machine.states[4];
fourth_st->next_state[CIRCPAD_EVENT_NONPADDING_RECV] = 5;
fourth_st->iat_dist.type = CIRCPAD_DIST_WEIBULL;
- fourth_st->iat_dist.param1 = min;
- fourth_st->iat_dist.param2 = max;
+ /* param1 is k, param2 is Lambda */
+ fourth_st->iat_dist.param1 = 1.5;
+ fourth_st->iat_dist.param2 = 1;
fourth_st->dist_added_shift_usec = min;
fourth_st->dist_max_sample_usec = max;
circpad_state_t *fifth_st = &circ_client_machine.states[5];
fifth_st->next_state[CIRCPAD_EVENT_NONPADDING_RECV] = 6;
fifth_st->iat_dist.type = CIRCPAD_DIST_PARETO;
- fifth_st->iat_dist.param1 = min;
- fifth_st->iat_dist.param2 = max;
+ /* param1 is sigma, param2 is xi */
+ fifth_st->iat_dist.param1 = 1;
+ fifth_st->iat_dist.param2 = 5;
fifth_st->dist_added_shift_usec = min;
fifth_st->dist_max_sample_usec = max;
}
/** Simple test that the padding delays sampled from a uniform distribution
* actually faill within the uniform distribution range. */
-/* TODO: Upgrade this test so that each state tests a different prob
- * distribution */
static void
test_circuitpadding_sample_distribution(void *arg)
{
@@ -2160,8 +2163,7 @@ test_circuitpadding_sample_distribution(void *arg)
MOCK(circpad_machine_schedule_padding,
circpad_machine_schedule_padding_mock);
- /* Initialize a machine with multiple probability distributions that should
- * return values between 0 and 5 */
+ /* Initialize a machine with multiple probability distributions */
circpad_machines_init();
helper_circpad_circ_distribution_machine_setup(0, 10);