/* Try to overflow the net_crypto packet buffer.

 */

#include <stdint.h>

typedef struct State {

    uint32_t recv_count;

} State;

#include "auto_test_support.h"

#define NUM_MSGS 40000

static void handle_friend_message(Tox *tox, const Tox_Event_Friend_Message *event, void *user_data)

{

    //const uint32_t friend_number = tox_event_friend_message_get_friend_number(event);

    //const Tox_Message_Type type = tox_event_friend_message_get_type(event);

    //const uint8_t *message = tox_event_friend_message_get_message(event);

    //const uint32_t message_length = tox_event_friend_message_get_message_length(event);

    const AutoTox *autotox = (AutoTox *)user_data;

    State *state = (State *)autotox->state;

    state->recv_count++;

}

static void net_crypto_overflow_test(AutoTox *autotoxes)

{

    tox_events_callback_friend_message(autotoxes[0].dispatch, 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(autotoxes[tox_index].tox, 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(autotoxes, 3, ITERATION_INTERVAL);

    }

    printf("tox%u received %u messages\n", autotoxes[0].index, ((State *)autotoxes[0].state)->recv_count);

}

int main(void)

{

    setvbuf(stdout, nullptr, _IONBF, 0);

    Run_Auto_Options options = default_run_auto_options();

    options.graph = GRAPH_LINEAR;

    run_auto_test(nullptr, 3, net_crypto_overflow_test, sizeof(State), &options);

    return 0;

}