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/* SPDX-License-Identifier: GPL-3.0-or-later
* Copyright © 2022 The TokTok team.
*/
#include "events_alloc.h"
#include <assert.h>
#include <string.h>
#include "../attributes.h"
#include "../bin_pack.h"
#include "../bin_unpack.h"
#include "../ccompat.h"
#include "../mem.h"
#include "../tox.h"
#include "../tox_events.h"
#include "../tox_private.h"
/*****************************************************
*
* :: struct and accessors
*
*****************************************************/
struct Tox_Event_Friend_Request {
uint8_t public_key[TOX_PUBLIC_KEY_SIZE];
uint8_t *message;
uint32_t message_length;
};
non_null()
static bool tox_event_friend_request_set_public_key(Tox_Event_Friend_Request *friend_request, const uint8_t *public_key)
{
assert(friend_request != nullptr);
memcpy(friend_request->public_key, public_key, TOX_PUBLIC_KEY_SIZE);
return true;
}
const uint8_t *tox_event_friend_request_get_public_key(const Tox_Event_Friend_Request *friend_request)
{
assert(friend_request != nullptr);
return friend_request->public_key;
}
non_null()
static bool tox_event_friend_request_set_message(Tox_Event_Friend_Request *friend_request,
const uint8_t *message, uint32_t message_length, const Memory *mem)
{
assert(friend_request != nullptr);
if (friend_request->message != nullptr) {
mem_delete(mem, friend_request->message);
friend_request->message = nullptr;
friend_request->message_length = 0;
}
uint8_t *message_copy = (uint8_t *)mem_balloc(mem, message_length);
if (message_copy == nullptr) {
return false;
}
memcpy(message_copy, message, message_length);
friend_request->message = message_copy;
friend_request->message_length = message_length;
return true;
}
uint32_t tox_event_friend_request_get_message_length(const Tox_Event_Friend_Request *friend_request)
{
assert(friend_request != nullptr);
return friend_request->message_length;
}
const uint8_t *tox_event_friend_request_get_message(const Tox_Event_Friend_Request *friend_request)
{
assert(friend_request != nullptr);
return friend_request->message;
}
non_null()
static void tox_event_friend_request_construct(Tox_Event_Friend_Request *friend_request)
{
*friend_request = (Tox_Event_Friend_Request) {
{
0
}
};
}
non_null()
static void tox_event_friend_request_destruct(Tox_Event_Friend_Request *friend_request, const Memory *mem)
{
mem_delete(mem, friend_request->message);
}
bool tox_event_friend_request_pack(
const Tox_Event_Friend_Request *event, Bin_Pack *bp)
{
return bin_pack_array(bp, 2)
&& bin_pack_bin(bp, event->public_key, TOX_PUBLIC_KEY_SIZE)
&& bin_pack_bin(bp, event->message, event->message_length);
}
non_null()
static bool tox_event_friend_request_unpack_into(
Tox_Event_Friend_Request *event, Bin_Unpack *bu)
{
assert(event != nullptr);
if (!bin_unpack_array_fixed(bu, 2, nullptr)) {
return false;
}
return bin_unpack_bin_fixed(bu, event->public_key, TOX_PUBLIC_KEY_SIZE)
&& bin_unpack_bin(bu, &event->message, &event->message_length);
}
const Tox_Event_Friend_Request *tox_event_get_friend_request(
const Tox_Event *event)
{
return event->type == TOX_EVENT_FRIEND_REQUEST ? event->data.friend_request : nullptr;
}
Tox_Event_Friend_Request *tox_event_friend_request_new(const Memory *mem)
{
Tox_Event_Friend_Request *const friend_request =
(Tox_Event_Friend_Request *)mem_alloc(mem, sizeof(Tox_Event_Friend_Request));
if (friend_request == nullptr) {
return nullptr;
}
tox_event_friend_request_construct(friend_request);
return friend_request;
}
void tox_event_friend_request_free(Tox_Event_Friend_Request *friend_request, const Memory *mem)
{
if (friend_request != nullptr) {
tox_event_friend_request_destruct(friend_request, mem);
}
mem_delete(mem, friend_request);
}
non_null()
static Tox_Event_Friend_Request *tox_events_add_friend_request(Tox_Events *events, const Memory *mem)
{
Tox_Event_Friend_Request *const friend_request = tox_event_friend_request_new(mem);
if (friend_request == nullptr) {
return nullptr;
}
Tox_Event event;
event.type = TOX_EVENT_FRIEND_REQUEST;
event.data.friend_request = friend_request;
tox_events_add(events, &event);
return friend_request;
}
bool tox_event_friend_request_unpack(
Tox_Event_Friend_Request **event, Bin_Unpack *bu, const Memory *mem)
{
assert(event != nullptr);
assert(*event == nullptr);
*event = tox_event_friend_request_new(mem);
if (*event == nullptr) {
return false;
}
return tox_event_friend_request_unpack_into(*event, bu);
}
non_null()
static Tox_Event_Friend_Request *tox_event_friend_request_alloc(void *user_data)
{
Tox_Events_State *state = tox_events_alloc(user_data);
assert(state != nullptr);
if (state->events == nullptr) {
return nullptr;
}
Tox_Event_Friend_Request *friend_request = tox_events_add_friend_request(state->events, state->mem);
if (friend_request == nullptr) {
state->error = TOX_ERR_EVENTS_ITERATE_MALLOC;
return nullptr;
}
return friend_request;
}
/*****************************************************
*
* :: event handler
*
*****************************************************/
void tox_events_handle_friend_request(Tox *tox, const uint8_t *public_key, const uint8_t *message, size_t length,
void *user_data)
{
Tox_Event_Friend_Request *friend_request = tox_event_friend_request_alloc(user_data);
if (friend_request == nullptr) {
return;
}
const Tox_System *sys = tox_get_system(tox);
tox_event_friend_request_set_public_key(friend_request, public_key);
tox_event_friend_request_set_message(friend_request, message, length, sys->mem);
}
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