/* Try to overflow the net_crypto packet buffer. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include typedef struct State { uint32_t index; uint64_t clock; uint32_t recv_count; } State; #include "run_auto_test.h" #define NUM_MSGS 40000 static void handle_friend_message(Tox *tox, uint32_t friend_number, Tox_Message_Type type, const uint8_t *message, size_t length, void *user_data) { State *state = (State *)user_data; state->recv_count++; } static void net_crypto_overflow_test(Tox **toxes, State *state) { tox_callback_friend_message(toxes[0], handle_friend_message); printf("sending many messages to tox0\n"); for (uint32_t tox_index = 1; tox_index < 3; tox_index++) { for (uint32_t i = 0; i < NUM_MSGS; i++) { uint8_t message[128] = {0}; snprintf((char *)message, sizeof(message), "%u-%u", tox_index, i); Tox_Err_Friend_Send_Message err; tox_friend_send_message(toxes[tox_index], 0, TOX_MESSAGE_TYPE_NORMAL, message, sizeof message, &err); if (err == TOX_ERR_FRIEND_SEND_MESSAGE_SENDQ) { printf("tox%u sent %u messages to friend 0\n", tox_index, i); break; } ck_assert_msg(err == TOX_ERR_FRIEND_SEND_MESSAGE_OK, "tox%u failed to send message number %u: %d", tox_index, i, err); } } // TODO(iphydf): Wait until all messages have arrived. Currently, not all // messages arrive, so this test would always fail. for (uint32_t i = 0; i < 200; i++) { iterate_all_wait(3, toxes, state, ITERATION_INTERVAL); } printf("tox%u received %u messages\n", state[0].index, state[0].recv_count); } int main(void) { setvbuf(stdout, nullptr, _IONBF, 0); run_auto_test(3, net_crypto_overflow_test, false); return 0; }