tomato-testing/auto_tests/reconnect_test.c
Green Sky 227425b90e Squashed 'external/toxcore/c-toxcore/' content from commit 67badf69
git-subtree-dir: external/toxcore/c-toxcore
git-subtree-split: 67badf69416a74e74f6d7eb51dd96f37282b8455
2023-07-25 11:53:09 +02:00

103 lines
2.9 KiB
C

/* Auto Tests: Reconnection.
*
* This test checks that when a tox instance is suspended for long enough that
* its friend connections time out, those connections are promptly
* re-established when the instance is resumed.
*/
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "../testing/misc_tools.h"
#include "../toxcore/friend_connection.h"
#include "../toxcore/tox.h"
#include "../toxcore/util.h"
#include "check_compat.h"
#define TOX_COUNT 2
#define RECONNECT_TIME_MAX (FRIEND_CONNECTION_TIMEOUT + 3)
#include "auto_test_support.h"
static uint32_t tox_connected_count(uint32_t tox_count, AutoTox *autotoxes, uint32_t index)
{
const size_t friend_count = tox_self_get_friend_list_size(autotoxes[index].tox);
uint32_t connected_count = 0;
for (size_t j = 0; j < friend_count; j++) {
if (tox_friend_get_connection_status(autotoxes[index].tox, j, nullptr) != TOX_CONNECTION_NONE) {
++connected_count;
}
}
return connected_count;
}
static bool all_disconnected_from(uint32_t tox_count, AutoTox *autotoxes, uint32_t index)
{
for (uint32_t i = 0; i < tox_count; i++) {
if (i == index) {
continue;
}
if (tox_connected_count(tox_count, autotoxes, i) >= tox_count - 1) {
return false;
}
}
return true;
}
static void test_reconnect(AutoTox *autotoxes)
{
const Random *rng = system_random();
ck_assert(rng != nullptr);
const time_t test_start_time = time(nullptr);
printf("letting connections settle\n");
do {
iterate_all_wait(autotoxes, TOX_COUNT, ITERATION_INTERVAL);
} while (time(nullptr) - test_start_time < 2);
const uint16_t disconnect = random_u16(rng) % TOX_COUNT;
printf("disconnecting #%u\n", autotoxes[disconnect].index);
do {
for (uint16_t i = 0; i < TOX_COUNT; ++i) {
if (i != disconnect) {
tox_iterate(autotoxes[i].tox, &autotoxes[i]);
autotoxes[i].clock += 1000;
}
}
c_sleep(20);
} while (!all_disconnected_from(TOX_COUNT, autotoxes, disconnect));
const uint64_t reconnect_start_time = autotoxes[0].clock;
printf("reconnecting\n");
do {
iterate_all_wait(autotoxes, TOX_COUNT, ITERATION_INTERVAL);
} while (!all_friends_connected(autotoxes, TOX_COUNT));
const uint64_t reconnect_time = autotoxes[0].clock - reconnect_start_time;
ck_assert_msg(reconnect_time <= RECONNECT_TIME_MAX * 1000, "reconnection took %d seconds; expected at most %d seconds",
(int)(reconnect_time / 1000), RECONNECT_TIME_MAX);
printf("test_reconnect succeeded, took %d seconds\n", (int)(time(nullptr) - test_start_time));
}
int main(void)
{
setvbuf(stdout, nullptr, _IONBF, 0);
Run_Auto_Options options = default_run_auto_options();
options.graph = GRAPH_LINEAR;
run_auto_test(nullptr, TOX_COUNT, test_reconnect, 0, &options);
return 0;
}