tomato/toxcore/events/friend_name.c
Green Sky 32a8dba185 Squashed 'external/toxcore/c-toxcore/' changes from 82460b2124..38e4c82fe0
38e4c82fe0 feat: add ngc events
8099d82397 diagnostic: get the number of close dht nodes with announce/store support
d01c116764 cleanup: make it more clear that assert and uint32_t increment both only exist if NDEBUG is not defined
58fac53429 refactor: Add a `bin_unpack_bin_max` for max-length arrays.
6be29f01e5 chore: Add more logging to loading conferences from savedata.
1195271b7f Fix inversed return values
82276ef5ac cleanup: Fix GCC compatibility.
REVERT: 82460b2124 feat: add ngc events

git-subtree-dir: external/toxcore/c-toxcore
git-subtree-split: 38e4c82fe0fc373b9d43ee9ad2b8fe5fd1d26810
2023-11-13 14:02:43 +01:00

232 lines
5.9 KiB
C

/* SPDX-License-Identifier: GPL-3.0-or-later
* Copyright © 2022 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"
/*****************************************************
*
* :: 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_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)
{
free(friend_name->name);
}
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()
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;
}
friend_name->name = (uint8_t *)malloc(name_length);
if (friend_name->name == nullptr) {
return false;
}
memcpy(friend_name->name, name, name_length);
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 bool tox_event_friend_name_pack(
const Tox_Event_Friend_Name *event, Bin_Pack *bp)
{
assert(event != nullptr);
return bin_pack_array(bp, 2)
&& bin_pack_u32(bp, TOX_EVENT_FRIEND_NAME)
&& 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(
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);
}
/*****************************************************
*
* :: add/clear/get
*
*****************************************************/
non_null()
static Tox_Event_Friend_Name *tox_events_add_friend_name(Tox_Events *events)
{
if (events->friend_name_size == UINT32_MAX) {
return nullptr;
}
if (events->friend_name_size == events->friend_name_capacity) {
const uint32_t new_friend_name_capacity = events->friend_name_capacity * 2 + 1;
Tox_Event_Friend_Name *new_friend_name = (Tox_Event_Friend_Name *)realloc(
events->friend_name, new_friend_name_capacity * sizeof(Tox_Event_Friend_Name));
if (new_friend_name == nullptr) {
return nullptr;
}
events->friend_name = new_friend_name;
events->friend_name_capacity = new_friend_name_capacity;
}
Tox_Event_Friend_Name *const friend_name = &events->friend_name[events->friend_name_size];
tox_event_friend_name_construct(friend_name);
++events->friend_name_size;
return friend_name;
}
void tox_events_clear_friend_name(Tox_Events *events)
{
if (events == nullptr) {
return;
}
for (uint32_t i = 0; i < events->friend_name_size; ++i) {
tox_event_friend_name_destruct(&events->friend_name[i]);
}
free(events->friend_name);
events->friend_name = nullptr;
events->friend_name_size = 0;
events->friend_name_capacity = 0;
}
uint32_t tox_events_get_friend_name_size(const Tox_Events *events)
{
if (events == nullptr) {
return 0;
}
return events->friend_name_size;
}
const Tox_Event_Friend_Name *tox_events_get_friend_name(const Tox_Events *events, uint32_t index)
{
assert(index < events->friend_name_size);
assert(events->friend_name != nullptr);
return &events->friend_name[index];
}
bool tox_events_pack_friend_name(const Tox_Events *events, Bin_Pack *bp)
{
const uint32_t size = tox_events_get_friend_name_size(events);
for (uint32_t i = 0; i < size; ++i) {
if (!tox_event_friend_name_pack(tox_events_get_friend_name(events, i), bp)) {
return false;
}
}
return true;
}
bool tox_events_unpack_friend_name(Tox_Events *events, Bin_Unpack *bu)
{
Tox_Event_Friend_Name *event = tox_events_add_friend_name(events);
if (event == nullptr) {
return false;
}
return tox_event_friend_name_unpack(event, bu);
}
/*****************************************************
*
* :: 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_Events_State *state = tox_events_alloc(user_data);
assert(state != nullptr);
if (state->events == nullptr) {
return;
}
Tox_Event_Friend_Name *friend_name = tox_events_add_friend_name(state->events);
if (friend_name == nullptr) {
state->error = TOX_ERR_EVENTS_ITERATE_MALLOC;
return;
}
tox_event_friend_name_set_friend_number(friend_name, friend_number);
tox_event_friend_name_set_name(friend_name, name, length);
}