tomato-testing/toxcore/events/friend_message.c
Green Sky 227425b90e Squashed 'external/toxcore/c-toxcore/' content from commit 67badf69
git-subtree-dir: external/toxcore/c-toxcore
git-subtree-split: 67badf69416a74e74f6d7eb51dd96f37282b8455
2023-07-25 11:53:09 +02:00

249 lines
6.9 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"
#include "../tox_unpack.h"
/*****************************************************
*
* :: struct and accessors
*
*****************************************************/
struct Tox_Event_Friend_Message {
uint32_t friend_number;
Tox_Message_Type type;
uint8_t *message;
uint32_t message_length;
};
non_null()
static void tox_event_friend_message_construct(Tox_Event_Friend_Message *friend_message)
{
*friend_message = (Tox_Event_Friend_Message) {
0
};
}
non_null()
static void tox_event_friend_message_destruct(Tox_Event_Friend_Message *friend_message)
{
free(friend_message->message);
}
non_null()
static void tox_event_friend_message_set_friend_number(Tox_Event_Friend_Message *friend_message,
uint32_t friend_number)
{
assert(friend_message != nullptr);
friend_message->friend_number = friend_number;
}
uint32_t tox_event_friend_message_get_friend_number(const Tox_Event_Friend_Message *friend_message)
{
assert(friend_message != nullptr);
return friend_message->friend_number;
}
non_null()
static void tox_event_friend_message_set_type(Tox_Event_Friend_Message *friend_message, Tox_Message_Type type)
{
assert(friend_message != nullptr);
friend_message->type = type;
}
Tox_Message_Type tox_event_friend_message_get_type(const Tox_Event_Friend_Message *friend_message)
{
assert(friend_message != nullptr);
return friend_message->type;
}
non_null()
static bool tox_event_friend_message_set_message(Tox_Event_Friend_Message *friend_message, const uint8_t *message,
uint32_t message_length)
{
assert(friend_message != nullptr);
if (friend_message->message != nullptr) {
free(friend_message->message);
friend_message->message = nullptr;
friend_message->message_length = 0;
}
friend_message->message = (uint8_t *)malloc(message_length);
if (friend_message->message == nullptr) {
return false;
}
memcpy(friend_message->message, message, message_length);
friend_message->message_length = message_length;
return true;
}
uint32_t tox_event_friend_message_get_message_length(const Tox_Event_Friend_Message *friend_message)
{
assert(friend_message != nullptr);
return friend_message->message_length;
}
const uint8_t *tox_event_friend_message_get_message(const Tox_Event_Friend_Message *friend_message)
{
assert(friend_message != nullptr);
return friend_message->message;
}
non_null()
static bool tox_event_friend_message_pack(
const Tox_Event_Friend_Message *event, Bin_Pack *bp)
{
assert(event != nullptr);
return bin_pack_array(bp, 2)
&& bin_pack_u32(bp, TOX_EVENT_FRIEND_MESSAGE)
&& bin_pack_array(bp, 3)
&& bin_pack_u32(bp, event->friend_number)
&& bin_pack_u32(bp, event->type)
&& bin_pack_bin(bp, event->message, event->message_length);
}
non_null()
static bool tox_event_friend_message_unpack(
Tox_Event_Friend_Message *event, Bin_Unpack *bu)
{
assert(event != nullptr);
if (!bin_unpack_array_fixed(bu, 3)) {
return false;
}
return bin_unpack_u32(bu, &event->friend_number)
&& tox_unpack_message_type(bu, &event->type)
&& bin_unpack_bin(bu, &event->message, &event->message_length);
}
/*****************************************************
*
* :: add/clear/get
*
*****************************************************/
non_null()
static Tox_Event_Friend_Message *tox_events_add_friend_message(Tox_Events *events)
{
if (events->friend_message_size == UINT32_MAX) {
return nullptr;
}
if (events->friend_message_size == events->friend_message_capacity) {
const uint32_t new_friend_message_capacity = events->friend_message_capacity * 2 + 1;
Tox_Event_Friend_Message *new_friend_message = (Tox_Event_Friend_Message *)realloc(
events->friend_message, new_friend_message_capacity * sizeof(Tox_Event_Friend_Message));
if (new_friend_message == nullptr) {
return nullptr;
}
events->friend_message = new_friend_message;
events->friend_message_capacity = new_friend_message_capacity;
}
Tox_Event_Friend_Message *const friend_message = &events->friend_message[events->friend_message_size];
tox_event_friend_message_construct(friend_message);
++events->friend_message_size;
return friend_message;
}
void tox_events_clear_friend_message(Tox_Events *events)
{
if (events == nullptr) {
return;
}
for (uint32_t i = 0; i < events->friend_message_size; ++i) {
tox_event_friend_message_destruct(&events->friend_message[i]);
}
free(events->friend_message);
events->friend_message = nullptr;
events->friend_message_size = 0;
events->friend_message_capacity = 0;
}
uint32_t tox_events_get_friend_message_size(const Tox_Events *events)
{
if (events == nullptr) {
return 0;
}
return events->friend_message_size;
}
const Tox_Event_Friend_Message *tox_events_get_friend_message(const Tox_Events *events, uint32_t index)
{
assert(index < events->friend_message_size);
assert(events->friend_message != nullptr);
return &events->friend_message[index];
}
bool tox_events_pack_friend_message(const Tox_Events *events, Bin_Pack *bp)
{
const uint32_t size = tox_events_get_friend_message_size(events);
for (uint32_t i = 0; i < size; ++i) {
if (!tox_event_friend_message_pack(tox_events_get_friend_message(events, i), bp)) {
return false;
}
}
return true;
}
bool tox_events_unpack_friend_message(Tox_Events *events, Bin_Unpack *bu)
{
Tox_Event_Friend_Message *event = tox_events_add_friend_message(events);
if (event == nullptr) {
return false;
}
return tox_event_friend_message_unpack(event, bu);
}
/*****************************************************
*
* :: event handler
*
*****************************************************/
void tox_events_handle_friend_message(Tox *tox, uint32_t friend_number, Tox_Message_Type type, const uint8_t *message,
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_Message *friend_message = tox_events_add_friend_message(state->events);
if (friend_message == nullptr) {
state->error = TOX_ERR_EVENTS_ITERATE_MALLOC;
return;
}
tox_event_friend_message_set_friend_number(friend_message, friend_number);
tox_event_friend_message_set_type(friend_message, type);
tox_event_friend_message_set_message(friend_message, message, length);
}