tomato-testing/toxcore/events/group_peer_join.c

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/* 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_Join {
uint32_t group_number;
uint32_t peer_id;
};
non_null()
static void tox_event_group_peer_join_construct(Tox_Event_Group_Peer_Join *group_peer_join)
{
*group_peer_join = (Tox_Event_Group_Peer_Join) {
0
};
}
non_null()
static void tox_event_group_peer_join_destruct(Tox_Event_Group_Peer_Join *group_peer_join)
{
return;
}
non_null()
static void tox_event_group_peer_join_set_group_number(Tox_Event_Group_Peer_Join *group_peer_join,
uint32_t group_number)
{
assert(group_peer_join != nullptr);
group_peer_join->group_number = group_number;
}
uint32_t tox_event_group_peer_join_get_group_number(const Tox_Event_Group_Peer_Join *group_peer_join)
{
assert(group_peer_join != nullptr);
return group_peer_join->group_number;
}
non_null()
static void tox_event_group_peer_join_set_peer_id(Tox_Event_Group_Peer_Join *group_peer_join,
uint32_t peer_id)
{
assert(group_peer_join != nullptr);
group_peer_join->peer_id = peer_id;
}
uint32_t tox_event_group_peer_join_get_peer_id(const Tox_Event_Group_Peer_Join *group_peer_join)
{
assert(group_peer_join != nullptr);
return group_peer_join->peer_id;
}
non_null()
static bool tox_event_group_peer_join_pack(
const Tox_Event_Group_Peer_Join *event, Bin_Pack *bp)
{
assert(event != nullptr);
return bin_pack_array(bp, 2)
&& bin_pack_u32(bp, TOX_EVENT_GROUP_PEER_JOIN)
&& bin_pack_array(bp, 2)
&& bin_pack_u32(bp, event->group_number)
&& bin_pack_u32(bp, event->peer_id);
}
non_null()
static bool tox_event_group_peer_join_unpack(
Tox_Event_Group_Peer_Join *event, Bin_Unpack *bu)
{
assert(event != nullptr);
if (!bin_unpack_array_fixed(bu, 2)) {
return false;
}
return bin_unpack_u32(bu, &event->group_number)
&& bin_unpack_u32(bu, &event->peer_id);
}
/*****************************************************
*
* :: add/clear/get
*
*****************************************************/
non_null()
static Tox_Event_Group_Peer_Join *tox_events_add_group_peer_join(Tox_Events *events)
{
if (events->group_peer_join_size == UINT32_MAX) {
return nullptr;
}
if (events->group_peer_join_size == events->group_peer_join_capacity) {
const uint32_t new_group_peer_join_capacity = events->group_peer_join_capacity * 2 + 1;
Tox_Event_Group_Peer_Join *new_group_peer_join = (Tox_Event_Group_Peer_Join *)
realloc(
events->group_peer_join,
new_group_peer_join_capacity * sizeof(Tox_Event_Group_Peer_Join));
if (new_group_peer_join == nullptr) {
return nullptr;
}
events->group_peer_join = new_group_peer_join;
events->group_peer_join_capacity = new_group_peer_join_capacity;
}
Tox_Event_Group_Peer_Join *const group_peer_join =
&events->group_peer_join[events->group_peer_join_size];
tox_event_group_peer_join_construct(group_peer_join);
++events->group_peer_join_size;
return group_peer_join;
}
void tox_events_clear_group_peer_join(Tox_Events *events)
{
if (events == nullptr) {
return;
}
for (uint32_t i = 0; i < events->group_peer_join_size; ++i) {
tox_event_group_peer_join_destruct(&events->group_peer_join[i]);
}
free(events->group_peer_join);
events->group_peer_join = nullptr;
events->group_peer_join_size = 0;
events->group_peer_join_capacity = 0;
}
uint32_t tox_events_get_group_peer_join_size(const Tox_Events *events)
{
if (events == nullptr) {
return 0;
}
return events->group_peer_join_size;
}
const Tox_Event_Group_Peer_Join *tox_events_get_group_peer_join(const Tox_Events *events, uint32_t index)
{
assert(index < events->group_peer_join_size);
assert(events->group_peer_join != nullptr);
return &events->group_peer_join[index];
}
bool tox_events_pack_group_peer_join(const Tox_Events *events, Bin_Pack *bp)
{
const uint32_t size = tox_events_get_group_peer_join_size(events);
for (uint32_t i = 0; i < size; ++i) {
if (!tox_event_group_peer_join_pack(tox_events_get_group_peer_join(events, i), bp)) {
return false;
}
}
return true;
}
bool tox_events_unpack_group_peer_join(Tox_Events *events, Bin_Unpack *bu)
{
Tox_Event_Group_Peer_Join *event = tox_events_add_group_peer_join(events);
if (event == nullptr) {
return false;
}
return tox_event_group_peer_join_unpack(event, bu);
}
/*****************************************************
*
* :: event handler
*
*****************************************************/
void tox_events_handle_group_peer_join(Tox *tox, uint32_t group_number, uint32_t peer_id,
void *user_data)
{
Tox_Events_State *state = tox_events_alloc(user_data);
assert(state != nullptr);
if (state->events == nullptr) {
return;
}
Tox_Event_Group_Peer_Join *group_peer_join = tox_events_add_group_peer_join(state->events);
if (group_peer_join == nullptr) {
state->error = TOX_ERR_EVENTS_ITERATE_MALLOC;
return;
}
tox_event_group_peer_join_set_group_number(group_peer_join, group_number);
tox_event_group_peer_join_set_peer_id(group_peer_join, peer_id);
}