tomato/toxcore/events/group_peer_name.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
6.9 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_Peer_Name {
uint32_t group_number;
uint32_t peer_id;
uint8_t *name;
uint32_t name_length;
};
non_null()
static void tox_event_group_peer_name_construct(Tox_Event_Group_Peer_Name *group_peer_name)
{
*group_peer_name = (Tox_Event_Group_Peer_Name) {
0
};
}
non_null()
static void tox_event_group_peer_name_destruct(Tox_Event_Group_Peer_Name *group_peer_name)
{
free(group_peer_name->name);
}
non_null()
static void tox_event_group_peer_name_set_group_number(Tox_Event_Group_Peer_Name *group_peer_name,
uint32_t group_number)
{
assert(group_peer_name != nullptr);
group_peer_name->group_number = group_number;
}
uint32_t tox_event_group_peer_name_get_group_number(const Tox_Event_Group_Peer_Name *group_peer_name)
{
assert(group_peer_name != nullptr);
return group_peer_name->group_number;
}
non_null()
static void tox_event_group_peer_name_set_peer_id(Tox_Event_Group_Peer_Name *group_peer_name,
uint32_t peer_id)
{
assert(group_peer_name != nullptr);
group_peer_name->peer_id = peer_id;
}
uint32_t tox_event_group_peer_name_get_peer_id(const Tox_Event_Group_Peer_Name *group_peer_name)
{
assert(group_peer_name != nullptr);
return group_peer_name->peer_id;
}
non_null()
static bool tox_event_group_peer_name_set_name(Tox_Event_Group_Peer_Name *group_peer_name,
const uint8_t *name, uint32_t name_length)
{
assert(group_peer_name != nullptr);
if (group_peer_name->name != nullptr) {
free(group_peer_name->name);
group_peer_name->name = nullptr;
group_peer_name->name_length = 0;
}
group_peer_name->name = (uint8_t *)malloc(name_length);
if (group_peer_name->name == nullptr) {
return false;
}
memcpy(group_peer_name->name, name, name_length);
group_peer_name->name_length = name_length;
return true;
}
size_t tox_event_group_peer_name_get_name_length(const Tox_Event_Group_Peer_Name *group_peer_name)
{
assert(group_peer_name != nullptr);
return group_peer_name->name_length;
}
const uint8_t *tox_event_group_peer_name_get_name(const Tox_Event_Group_Peer_Name *group_peer_name)
{
assert(group_peer_name != nullptr);
return group_peer_name->name;
}
non_null()
static bool tox_event_group_peer_name_pack(
const Tox_Event_Group_Peer_Name *event, Bin_Pack *bp)
{
assert(event != nullptr);
return bin_pack_array(bp, 2)
&& bin_pack_u32(bp, TOX_EVENT_GROUP_PEER_NAME)
&& bin_pack_array(bp, 3)
&& bin_pack_u32(bp, event->group_number)
&& bin_pack_u32(bp, event->peer_id)
&& bin_pack_bin(bp, event->name, event->name_length);
}
non_null()
static bool tox_event_group_peer_name_unpack(
Tox_Event_Group_Peer_Name *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->name, &event->name_length);
}
/*****************************************************
*
* :: add/clear/get
*
*****************************************************/
non_null()
static Tox_Event_Group_Peer_Name *tox_events_add_group_peer_name(Tox_Events *events)
{
if (events->group_peer_name_size == UINT32_MAX) {
return nullptr;
}
if (events->group_peer_name_size == events->group_peer_name_capacity) {
const uint32_t new_group_peer_name_capacity = events->group_peer_name_capacity * 2 + 1;
Tox_Event_Group_Peer_Name *new_group_peer_name = (Tox_Event_Group_Peer_Name *)
realloc(
events->group_peer_name,
new_group_peer_name_capacity * sizeof(Tox_Event_Group_Peer_Name));
if (new_group_peer_name == nullptr) {
return nullptr;
}
events->group_peer_name = new_group_peer_name;
events->group_peer_name_capacity = new_group_peer_name_capacity;
}
Tox_Event_Group_Peer_Name *const group_peer_name =
&events->group_peer_name[events->group_peer_name_size];
tox_event_group_peer_name_construct(group_peer_name);
++events->group_peer_name_size;
return group_peer_name;
}
void tox_events_clear_group_peer_name(Tox_Events *events)
{
if (events == nullptr) {
return;
}
for (uint32_t i = 0; i < events->group_peer_name_size; ++i) {
tox_event_group_peer_name_destruct(&events->group_peer_name[i]);
}
free(events->group_peer_name);
events->group_peer_name = nullptr;
events->group_peer_name_size = 0;
events->group_peer_name_capacity = 0;
}
uint32_t tox_events_get_group_peer_name_size(const Tox_Events *events)
{
if (events == nullptr) {
return 0;
}
return events->group_peer_name_size;
}
const Tox_Event_Group_Peer_Name *tox_events_get_group_peer_name(const Tox_Events *events, uint32_t index)
{
assert(index < events->group_peer_name_size);
assert(events->group_peer_name != nullptr);
return &events->group_peer_name[index];
}
bool tox_events_pack_group_peer_name(const Tox_Events *events, Bin_Pack *bp)
{
const uint32_t size = tox_events_get_group_peer_name_size(events);
for (uint32_t i = 0; i < size; ++i) {
if (!tox_event_group_peer_name_pack(tox_events_get_group_peer_name(events, i), bp)) {
return false;
}
}
return true;
}
bool tox_events_unpack_group_peer_name(Tox_Events *events, Bin_Unpack *bu)
{
Tox_Event_Group_Peer_Name *event = tox_events_add_group_peer_name(events);
if (event == nullptr) {
return false;
}
return tox_event_group_peer_name_unpack(event, bu);
}
/*****************************************************
*
* :: event handler
*
*****************************************************/
void tox_events_handle_group_peer_name(Tox *tox, uint32_t group_number, uint32_t peer_id, const uint8_t *name, 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_Peer_Name *group_peer_name = tox_events_add_group_peer_name(state->events);
if (group_peer_name == nullptr) {
state->error = TOX_ERR_EVENTS_ITERATE_MALLOC;
return;
}
tox_event_group_peer_name_set_group_number(group_peer_name, group_number);
tox_event_group_peer_name_set_peer_id(group_peer_name, peer_id);
tox_event_group_peer_name_set_name(group_peer_name, name, length);
}