tomato-testing/toxcore/events/group_custom_packet.c
Green Sky cdc4284cb5 Squashed 'external/toxcore/c-toxcore/' changes from 38e4c82fe0..75f3c33943
75f3c33943 adopt to #2415 changes

git-subtree-dir: external/toxcore/c-toxcore
git-subtree-split: 75f3c33943cd3e249cfab3dab122aa4bbb9eec9a
2023-11-13 15:03:22 +01:00

253 lines
7.4 KiB
C

/* SPDX-License-Identifier: GPL-3.0-or-later
* Copyright © 2023 The TokTok team.
*/
#include "events_alloc.h"
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include "../bin_pack.h"
#include "../bin_unpack.h"
#include "../ccompat.h"
#include "../tox.h"
#include "../tox_events.h"
#include "../tox_unpack.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_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)
{
free(group_custom_packet->data);
}
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()
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;
}
group_custom_packet->data = (uint8_t *)malloc(data_length);
if (group_custom_packet->data == nullptr) {
return false;
}
memcpy(group_custom_packet->data, data, data_length);
group_custom_packet->data_length = data_length;
return true;
}
size_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 bool tox_event_group_custom_packet_pack(
const Tox_Event_Group_Custom_Packet *event, Bin_Pack *bp)
{
assert(event != nullptr);
return bin_pack_array(bp, 2)
&& bin_pack_u32(bp, TOX_EVENT_GROUP_CUSTOM_PACKET)
&& 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(
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);
}
/*****************************************************
*
* :: add/clear/get
*
*****************************************************/
non_null()
static Tox_Event_Group_Custom_Packet *tox_events_add_group_custom_packet(Tox_Events *events)
{
if (events->group_custom_packet_size == UINT32_MAX) {
return nullptr;
}
if (events->group_custom_packet_size == events->group_custom_packet_capacity) {
const uint32_t new_group_custom_packet_capacity = events->group_custom_packet_capacity * 2 + 1;
Tox_Event_Group_Custom_Packet *new_group_custom_packet = (Tox_Event_Group_Custom_Packet *)
realloc(
events->group_custom_packet,
new_group_custom_packet_capacity * sizeof(Tox_Event_Group_Custom_Packet));
if (new_group_custom_packet == nullptr) {
return nullptr;
}
events->group_custom_packet = new_group_custom_packet;
events->group_custom_packet_capacity = new_group_custom_packet_capacity;
}
Tox_Event_Group_Custom_Packet *const group_custom_packet =
&events->group_custom_packet[events->group_custom_packet_size];
tox_event_group_custom_packet_construct(group_custom_packet);
++events->group_custom_packet_size;
return group_custom_packet;
}
void tox_events_clear_group_custom_packet(Tox_Events *events)
{
if (events == nullptr) {
return;
}
for (uint32_t i = 0; i < events->group_custom_packet_size; ++i) {
tox_event_group_custom_packet_destruct(&events->group_custom_packet[i]);
}
free(events->group_custom_packet);
events->group_custom_packet = nullptr;
events->group_custom_packet_size = 0;
events->group_custom_packet_capacity = 0;
}
uint32_t tox_events_get_group_custom_packet_size(const Tox_Events *events)
{
if (events == nullptr) {
return 0;
}
return events->group_custom_packet_size;
}
const Tox_Event_Group_Custom_Packet *tox_events_get_group_custom_packet(const Tox_Events *events, uint32_t index)
{
assert(index < events->group_custom_packet_size);
assert(events->group_custom_packet != nullptr);
return &events->group_custom_packet[index];
}
bool tox_events_pack_group_custom_packet(const Tox_Events *events, Bin_Pack *bp)
{
const uint32_t size = tox_events_get_group_custom_packet_size(events);
for (uint32_t i = 0; i < size; ++i) {
if (!tox_event_group_custom_packet_pack(tox_events_get_group_custom_packet(events, i), bp)) {
return false;
}
}
return true;
}
bool tox_events_unpack_group_custom_packet(Tox_Events *events, Bin_Unpack *bu)
{
Tox_Event_Group_Custom_Packet *event = tox_events_add_group_custom_packet(events);
if (event == nullptr) {
return false;
}
return tox_event_group_custom_packet_unpack(event, bu);
}
/*****************************************************
*
* :: 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 length,
void *user_data)
{
Tox_Events_State *state = tox_events_alloc(user_data);
assert(state != nullptr);
if (state->events == nullptr) {
return;
}
Tox_Event_Group_Custom_Packet *group_custom_packet = tox_events_add_group_custom_packet(state->events);
if (group_custom_packet == nullptr) {
state->error = TOX_ERR_EVENTS_ITERATE_MALLOC;
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, length);
}