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/* SPDX-License-Identifier: GPL-3.0-or-later
* Copyright © 2023-2024 The TokTok team.
*/
#include "events_alloc.h"
#include <assert.h>
#include <stdlib.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"
/*****************************************************
*
* :: struct and accessors
*
*****************************************************/
struct Tox_Event_Friend_Name {
uint32_t friend_number;
uint8_t *name;
uint32_t name_length;
};
non_null()
static void tox_event_friend_name_set_friend_number(Tox_Event_Friend_Name *friend_name,
uint32_t friend_number)
{
assert(friend_name != nullptr);
friend_name->friend_number = friend_number;
}
uint32_t tox_event_friend_name_get_friend_number(const Tox_Event_Friend_Name *friend_name)
{
assert(friend_name != nullptr);
return friend_name->friend_number;
}
non_null(1) nullable(2)
static bool tox_event_friend_name_set_name(Tox_Event_Friend_Name *friend_name,
const uint8_t *name, uint32_t name_length)
{
assert(friend_name != nullptr);
if (friend_name->name != nullptr) {
free(friend_name->name);
friend_name->name = nullptr;
friend_name->name_length = 0;
}
if (name == nullptr) {
assert(name_length == 0);
return true;
}
uint8_t *name_copy = (uint8_t *)malloc(name_length);
if (name_copy == nullptr) {
return false;
}
memcpy(name_copy, name, name_length);
friend_name->name = name_copy;
friend_name->name_length = name_length;
return true;
}
uint32_t tox_event_friend_name_get_name_length(const Tox_Event_Friend_Name *friend_name)
{
assert(friend_name != nullptr);
return friend_name->name_length;
}
const uint8_t *tox_event_friend_name_get_name(const Tox_Event_Friend_Name *friend_name)
{
assert(friend_name != nullptr);
return friend_name->name;
}
non_null()
static void tox_event_friend_name_construct(Tox_Event_Friend_Name *friend_name)
{
*friend_name = (Tox_Event_Friend_Name) {
0
};
}
non_null()
static void tox_event_friend_name_destruct(Tox_Event_Friend_Name *friend_name, const Memory *mem)
{
free(friend_name->name);
}
bool tox_event_friend_name_pack(
const Tox_Event_Friend_Name *event, Bin_Pack *bp)
{
return bin_pack_array(bp, 2)
&& bin_pack_u32(bp, event->friend_number)
&& bin_pack_bin(bp, event->name, event->name_length);
}
non_null()
static bool tox_event_friend_name_unpack_into(
Tox_Event_Friend_Name *event, Bin_Unpack *bu)
{
assert(event != nullptr);
if (!bin_unpack_array_fixed(bu, 2, nullptr)) {
return false;
}
return bin_unpack_u32(bu, &event->friend_number)
&& bin_unpack_bin(bu, &event->name, &event->name_length);
}
/*****************************************************
*
* :: new/free/add/get/size/unpack
*
*****************************************************/
const Tox_Event_Friend_Name *tox_event_get_friend_name(const Tox_Event *event)
{
return event->type == TOX_EVENT_FRIEND_NAME ? event->data.friend_name : nullptr;
}
Tox_Event_Friend_Name *tox_event_friend_name_new(const Memory *mem)
{
Tox_Event_Friend_Name *const friend_name =
(Tox_Event_Friend_Name *)mem_alloc(mem, sizeof(Tox_Event_Friend_Name));
if (friend_name == nullptr) {
return nullptr;
}
tox_event_friend_name_construct(friend_name);
return friend_name;
}
void tox_event_friend_name_free(Tox_Event_Friend_Name *friend_name, const Memory *mem)
{
if (friend_name != nullptr) {
tox_event_friend_name_destruct(friend_name, mem);
}
mem_delete(mem, friend_name);
}
non_null()
static Tox_Event_Friend_Name *tox_events_add_friend_name(Tox_Events *events, const Memory *mem)
{
Tox_Event_Friend_Name *const friend_name = tox_event_friend_name_new(mem);
if (friend_name == nullptr) {
return nullptr;
}
Tox_Event event;
event.type = TOX_EVENT_FRIEND_NAME;
event.data.friend_name = friend_name;
tox_events_add(events, &event);
return friend_name;
}
bool tox_event_friend_name_unpack(
Tox_Event_Friend_Name **event, Bin_Unpack *bu, const Memory *mem)
{
assert(event != nullptr);
assert(*event == nullptr);
*event = tox_event_friend_name_new(mem);
if (*event == nullptr) {
return false;
}
return tox_event_friend_name_unpack_into(*event, bu);
}
non_null()
static Tox_Event_Friend_Name *tox_event_friend_name_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_Name *friend_name = tox_events_add_friend_name(state->events, state->mem);
if (friend_name == nullptr) {
state->error = TOX_ERR_EVENTS_ITERATE_MALLOC;
return nullptr;
}
return friend_name;
}
/*****************************************************
*
* :: event handler
*
*****************************************************/
void tox_events_handle_friend_name(
Tox *tox, uint32_t friend_number, const uint8_t *name, size_t length,
void *user_data)
{
Tox_Event_Friend_Name *friend_name = tox_event_friend_name_alloc(user_data);
if (friend_name == nullptr) {
return;
}
tox_event_friend_name_set_friend_number(friend_name, friend_number);
tox_event_friend_name_set_name(friend_name, name, length);
}
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