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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"
#include "../tox_pack.h"
#include "../tox_unpack.h"
/*****************************************************
*
* :: struct and accessors
*
*****************************************************/
struct Tox_Event_Friend_Message {
uint32_t friend_number;
Tox_Message_Type type;
uint8_t *message;
uint32_t message_length;
};
non_null()
static void tox_event_friend_message_set_friend_number(Tox_Event_Friend_Message *friend_message,
uint32_t friend_number)
{
assert(friend_message != nullptr);
friend_message->friend_number = friend_number;
}
uint32_t tox_event_friend_message_get_friend_number(const Tox_Event_Friend_Message *friend_message)
{
assert(friend_message != nullptr);
return friend_message->friend_number;
}
non_null()
static void tox_event_friend_message_set_type(Tox_Event_Friend_Message *friend_message,
Tox_Message_Type type)
{
assert(friend_message != nullptr);
friend_message->type = type;
}
Tox_Message_Type tox_event_friend_message_get_type(const Tox_Event_Friend_Message *friend_message)
{
assert(friend_message != nullptr);
return friend_message->type;
}
non_null(1) nullable(2)
static bool tox_event_friend_message_set_message(Tox_Event_Friend_Message *friend_message,
const uint8_t *message, uint32_t message_length)
{
assert(friend_message != nullptr);
if (friend_message->message != nullptr) {
free(friend_message->message);
friend_message->message = nullptr;
friend_message->message_length = 0;
}
if (message == nullptr) {
assert(message_length == 0);
return true;
}
uint8_t *message_copy = (uint8_t *)malloc(message_length);
if (message_copy == nullptr) {
return false;
}
memcpy(message_copy, message, message_length);
friend_message->message = message_copy;
friend_message->message_length = message_length;
return true;
}
uint32_t tox_event_friend_message_get_message_length(const Tox_Event_Friend_Message *friend_message)
{
assert(friend_message != nullptr);
return friend_message->message_length;
}
const uint8_t *tox_event_friend_message_get_message(const Tox_Event_Friend_Message *friend_message)
{
assert(friend_message != nullptr);
return friend_message->message;
}
non_null()
static void tox_event_friend_message_construct(Tox_Event_Friend_Message *friend_message)
{
*friend_message = (Tox_Event_Friend_Message) {
0
};
}
non_null()
static void tox_event_friend_message_destruct(Tox_Event_Friend_Message *friend_message, const Memory *mem)
{
free(friend_message->message);
}
bool tox_event_friend_message_pack(
const Tox_Event_Friend_Message *event, Bin_Pack *bp)
{
return bin_pack_array(bp, 3)
&& bin_pack_u32(bp, event->friend_number)
&& tox_message_type_pack(event->type, bp)
&& bin_pack_bin(bp, event->message, event->message_length);
}
non_null()
static bool tox_event_friend_message_unpack_into(
Tox_Event_Friend_Message *event, Bin_Unpack *bu)
{
assert(event != nullptr);
if (!bin_unpack_array_fixed(bu, 3, nullptr)) {
return false;
}
return bin_unpack_u32(bu, &event->friend_number)
&& tox_message_type_unpack(&event->type, bu)
&& bin_unpack_bin(bu, &event->message, &event->message_length);
}
/*****************************************************
*
* :: new/free/add/get/size/unpack
*
*****************************************************/
const Tox_Event_Friend_Message *tox_event_get_friend_message(const Tox_Event *event)
{
return event->type == TOX_EVENT_FRIEND_MESSAGE ? event->data.friend_message : nullptr;
}
Tox_Event_Friend_Message *tox_event_friend_message_new(const Memory *mem)
{
Tox_Event_Friend_Message *const friend_message =
(Tox_Event_Friend_Message *)mem_alloc(mem, sizeof(Tox_Event_Friend_Message));
if (friend_message == nullptr) {
return nullptr;
}
tox_event_friend_message_construct(friend_message);
return friend_message;
}
void tox_event_friend_message_free(Tox_Event_Friend_Message *friend_message, const Memory *mem)
{
if (friend_message != nullptr) {
tox_event_friend_message_destruct(friend_message, mem);
}
mem_delete(mem, friend_message);
}
non_null()
static Tox_Event_Friend_Message *tox_events_add_friend_message(Tox_Events *events, const Memory *mem)
{
Tox_Event_Friend_Message *const friend_message = tox_event_friend_message_new(mem);
if (friend_message == nullptr) {
return nullptr;
}
Tox_Event event;
event.type = TOX_EVENT_FRIEND_MESSAGE;
event.data.friend_message = friend_message;
tox_events_add(events, &event);
return friend_message;
}
bool tox_event_friend_message_unpack(
Tox_Event_Friend_Message **event, Bin_Unpack *bu, const Memory *mem)
{
assert(event != nullptr);
assert(*event == nullptr);
*event = tox_event_friend_message_new(mem);
if (*event == nullptr) {
return false;
}
return tox_event_friend_message_unpack_into(*event, bu);
}
non_null()
static Tox_Event_Friend_Message *tox_event_friend_message_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_Message *friend_message = tox_events_add_friend_message(state->events, state->mem);
if (friend_message == nullptr) {
state->error = TOX_ERR_EVENTS_ITERATE_MALLOC;
return nullptr;
}
return friend_message;
}
/*****************************************************
*
* :: event handler
*
*****************************************************/
void tox_events_handle_friend_message(
Tox *tox, uint32_t friend_number, Tox_Message_Type type, const uint8_t *message, size_t length,
void *user_data)
{
Tox_Event_Friend_Message *friend_message = tox_event_friend_message_alloc(user_data);
if (friend_message == nullptr) {
return;
}
tox_event_friend_message_set_friend_number(friend_message, friend_number);
tox_event_friend_message_set_type(friend_message, type);
tox_event_friend_message_set_message(friend_message, message, length);
}
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