tomato/toxcore/events/group_custom_packet.c
Green Sky a5093c4aa3 Squashed 'external/toxcore/c-toxcore/' changes from b03b571272..3e05824b80
3e05824b80 refactor: Rename `out` parameters to `out_$something`.
0199c0f17f cleanup: apply the same scheme to types
aebbfabe26 cleanup: event length naming inconsistencies
2457125aa8 cleanup: align group send err enum order

git-subtree-dir: external/toxcore/c-toxcore
git-subtree-split: 3e05824b80eb9bee33e8254cba0780d84c522182
2024-03-11 11:34:13 +01:00

236 lines
6.8 KiB
C

/* 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_Group_Custom_Packet {
uint32_t group_number;
uint32_t peer_id;
uint8_t *data;
uint32_t data_length;
};
non_null()
static void tox_event_group_custom_packet_set_group_number(Tox_Event_Group_Custom_Packet *group_custom_packet,
uint32_t group_number)
{
assert(group_custom_packet != nullptr);
group_custom_packet->group_number = group_number;
}
uint32_t tox_event_group_custom_packet_get_group_number(const Tox_Event_Group_Custom_Packet *group_custom_packet)
{
assert(group_custom_packet != nullptr);
return group_custom_packet->group_number;
}
non_null()
static void tox_event_group_custom_packet_set_peer_id(Tox_Event_Group_Custom_Packet *group_custom_packet,
uint32_t peer_id)
{
assert(group_custom_packet != nullptr);
group_custom_packet->peer_id = peer_id;
}
uint32_t tox_event_group_custom_packet_get_peer_id(const Tox_Event_Group_Custom_Packet *group_custom_packet)
{
assert(group_custom_packet != nullptr);
return group_custom_packet->peer_id;
}
non_null(1) nullable(2)
static bool tox_event_group_custom_packet_set_data(Tox_Event_Group_Custom_Packet *group_custom_packet,
const uint8_t *data, uint32_t data_length)
{
assert(group_custom_packet != nullptr);
if (group_custom_packet->data != nullptr) {
free(group_custom_packet->data);
group_custom_packet->data = nullptr;
group_custom_packet->data_length = 0;
}
if (data == nullptr) {
assert(data_length == 0);
return true;
}
uint8_t *data_copy = (uint8_t *)malloc(data_length);
if (data_copy == nullptr) {
return false;
}
memcpy(data_copy, data, data_length);
group_custom_packet->data = data_copy;
group_custom_packet->data_length = data_length;
return true;
}
uint32_t tox_event_group_custom_packet_get_data_length(const Tox_Event_Group_Custom_Packet *group_custom_packet)
{
assert(group_custom_packet != nullptr);
return group_custom_packet->data_length;
}
const uint8_t *tox_event_group_custom_packet_get_data(const Tox_Event_Group_Custom_Packet *group_custom_packet)
{
assert(group_custom_packet != nullptr);
return group_custom_packet->data;
}
non_null()
static void tox_event_group_custom_packet_construct(Tox_Event_Group_Custom_Packet *group_custom_packet)
{
*group_custom_packet = (Tox_Event_Group_Custom_Packet) {
0
};
}
non_null()
static void tox_event_group_custom_packet_destruct(Tox_Event_Group_Custom_Packet *group_custom_packet, const Memory *mem)
{
free(group_custom_packet->data);
}
bool tox_event_group_custom_packet_pack(
const Tox_Event_Group_Custom_Packet *event, Bin_Pack *bp)
{
return bin_pack_array(bp, 3)
&& bin_pack_u32(bp, event->group_number)
&& bin_pack_u32(bp, event->peer_id)
&& bin_pack_bin(bp, event->data, event->data_length);
}
non_null()
static bool tox_event_group_custom_packet_unpack_into(
Tox_Event_Group_Custom_Packet *event, Bin_Unpack *bu)
{
assert(event != nullptr);
if (!bin_unpack_array_fixed(bu, 3, nullptr)) {
return false;
}
return bin_unpack_u32(bu, &event->group_number)
&& bin_unpack_u32(bu, &event->peer_id)
&& bin_unpack_bin(bu, &event->data, &event->data_length);
}
/*****************************************************
*
* :: new/free/add/get/size/unpack
*
*****************************************************/
const Tox_Event_Group_Custom_Packet *tox_event_get_group_custom_packet(const Tox_Event *event)
{
return event->type == TOX_EVENT_GROUP_CUSTOM_PACKET ? event->data.group_custom_packet : nullptr;
}
Tox_Event_Group_Custom_Packet *tox_event_group_custom_packet_new(const Memory *mem)
{
Tox_Event_Group_Custom_Packet *const group_custom_packet =
(Tox_Event_Group_Custom_Packet *)mem_alloc(mem, sizeof(Tox_Event_Group_Custom_Packet));
if (group_custom_packet == nullptr) {
return nullptr;
}
tox_event_group_custom_packet_construct(group_custom_packet);
return group_custom_packet;
}
void tox_event_group_custom_packet_free(Tox_Event_Group_Custom_Packet *group_custom_packet, const Memory *mem)
{
if (group_custom_packet != nullptr) {
tox_event_group_custom_packet_destruct(group_custom_packet, mem);
}
mem_delete(mem, group_custom_packet);
}
non_null()
static Tox_Event_Group_Custom_Packet *tox_events_add_group_custom_packet(Tox_Events *events, const Memory *mem)
{
Tox_Event_Group_Custom_Packet *const group_custom_packet = tox_event_group_custom_packet_new(mem);
if (group_custom_packet == nullptr) {
return nullptr;
}
Tox_Event event;
event.type = TOX_EVENT_GROUP_CUSTOM_PACKET;
event.data.group_custom_packet = group_custom_packet;
tox_events_add(events, &event);
return group_custom_packet;
}
bool tox_event_group_custom_packet_unpack(
Tox_Event_Group_Custom_Packet **event, Bin_Unpack *bu, const Memory *mem)
{
assert(event != nullptr);
assert(*event == nullptr);
*event = tox_event_group_custom_packet_new(mem);
if (*event == nullptr) {
return false;
}
return tox_event_group_custom_packet_unpack_into(*event, bu);
}
non_null()
static Tox_Event_Group_Custom_Packet *tox_event_group_custom_packet_alloc(void *user_data)
{
Tox_Events_State *state = tox_events_alloc(user_data);
assert(state != nullptr);
if (state->events == nullptr) {
return nullptr;
}
Tox_Event_Group_Custom_Packet *group_custom_packet = tox_events_add_group_custom_packet(state->events, state->mem);
if (group_custom_packet == nullptr) {
state->error = TOX_ERR_EVENTS_ITERATE_MALLOC;
return nullptr;
}
return group_custom_packet;
}
/*****************************************************
*
* :: event handler
*
*****************************************************/
void tox_events_handle_group_custom_packet(
Tox *tox, uint32_t group_number, uint32_t peer_id, const uint8_t *data, size_t data_length,
void *user_data)
{
Tox_Event_Group_Custom_Packet *group_custom_packet = tox_event_group_custom_packet_alloc(user_data);
if (group_custom_packet == nullptr) {
return;
}
tox_event_group_custom_packet_set_group_number(group_custom_packet, group_number);
tox_event_group_custom_packet_set_peer_id(group_custom_packet, peer_id);
tox_event_group_custom_packet_set_data(group_custom_packet, data, data_length);
}