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Squashed 'external/toxcore/c-toxcore/' content from commit 67badf69

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git-subtree-dir: external/toxcore/c-toxcore
git-subtree-split: 67badf69416a74e74f6d7eb51dd96f37282b8455
This commit is contained in:
Green Sky
2023-07-25 11:53:09 +02:00
commit 227425b90e
467 changed files with 116591 additions and 0 deletions
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toxcore/events/file_recv_chunk.c Normal file
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/* 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_File_Recv_Chunk {
uint32_t friend_number;
uint32_t file_number;
uint64_t position;
uint8_t *data;
uint32_t data_length;
};
non_null()
static void tox_event_file_recv_chunk_construct(Tox_Event_File_Recv_Chunk *file_recv_chunk)
{
*file_recv_chunk = (Tox_Event_File_Recv_Chunk) {
0
};
}
non_null()
static void tox_event_file_recv_chunk_destruct(Tox_Event_File_Recv_Chunk *file_recv_chunk)
{
free(file_recv_chunk->data);
}
non_null()
static void tox_event_file_recv_chunk_set_friend_number(Tox_Event_File_Recv_Chunk *file_recv_chunk,
uint32_t friend_number)
{
assert(file_recv_chunk != nullptr);
file_recv_chunk->friend_number = friend_number;
}
uint32_t tox_event_file_recv_chunk_get_friend_number(const Tox_Event_File_Recv_Chunk *file_recv_chunk)
{
assert(file_recv_chunk != nullptr);
return file_recv_chunk->friend_number;
}
non_null()
static void tox_event_file_recv_chunk_set_file_number(Tox_Event_File_Recv_Chunk *file_recv_chunk,
uint32_t file_number)
{
assert(file_recv_chunk != nullptr);
file_recv_chunk->file_number = file_number;
}
uint32_t tox_event_file_recv_chunk_get_file_number(const Tox_Event_File_Recv_Chunk *file_recv_chunk)
{
assert(file_recv_chunk != nullptr);
return file_recv_chunk->file_number;
}
non_null()
static void tox_event_file_recv_chunk_set_position(Tox_Event_File_Recv_Chunk *file_recv_chunk,
uint64_t position)
{
assert(file_recv_chunk != nullptr);
file_recv_chunk->position = position;
}
uint64_t tox_event_file_recv_chunk_get_position(const Tox_Event_File_Recv_Chunk *file_recv_chunk)
{
assert(file_recv_chunk != nullptr);
return file_recv_chunk->position;
}
non_null()
static bool tox_event_file_recv_chunk_set_data(Tox_Event_File_Recv_Chunk *file_recv_chunk, const uint8_t *data,
uint32_t data_length)
{
assert(file_recv_chunk != nullptr);
if (file_recv_chunk->data != nullptr) {
free(file_recv_chunk->data);
file_recv_chunk->data = nullptr;
file_recv_chunk->data_length = 0;
}
file_recv_chunk->data = (uint8_t *)malloc(data_length);
if (file_recv_chunk->data == nullptr) {
return false;
}
memcpy(file_recv_chunk->data, data, data_length);
file_recv_chunk->data_length = data_length;
return true;
}
uint32_t tox_event_file_recv_chunk_get_length(const Tox_Event_File_Recv_Chunk *file_recv_chunk)
{
assert(file_recv_chunk != nullptr);
return file_recv_chunk->data_length;
}
const uint8_t *tox_event_file_recv_chunk_get_data(const Tox_Event_File_Recv_Chunk *file_recv_chunk)
{
assert(file_recv_chunk != nullptr);
return file_recv_chunk->data;
}
non_null()
static bool tox_event_file_recv_chunk_pack(
const Tox_Event_File_Recv_Chunk *event, Bin_Pack *bp)
{
assert(event != nullptr);
return bin_pack_array(bp, 2)
&& bin_pack_u32(bp, TOX_EVENT_FILE_RECV_CHUNK)
&& bin_pack_array(bp, 4)
&& bin_pack_u32(bp, event->friend_number)
&& bin_pack_u32(bp, event->file_number)
&& bin_pack_u64(bp, event->position)
&& bin_pack_bin(bp, event->data, event->data_length);
}
non_null()
static bool tox_event_file_recv_chunk_unpack(
Tox_Event_File_Recv_Chunk *event, Bin_Unpack *bu)
{
assert(event != nullptr);
if (!bin_unpack_array_fixed(bu, 4)) {
return false;
}
return bin_unpack_u32(bu, &event->friend_number)
&& bin_unpack_u32(bu, &event->file_number)
&& bin_unpack_u64(bu, &event->position)
&& bin_unpack_bin(bu, &event->data, &event->data_length);
}
/*****************************************************
*
* :: add/clear/get
*
*****************************************************/
non_null()
static Tox_Event_File_Recv_Chunk *tox_events_add_file_recv_chunk(Tox_Events *events)
{
if (events->file_recv_chunk_size == UINT32_MAX) {
return nullptr;
}
if (events->file_recv_chunk_size == events->file_recv_chunk_capacity) {
const uint32_t new_file_recv_chunk_capacity = events->file_recv_chunk_capacity * 2 + 1;
Tox_Event_File_Recv_Chunk *new_file_recv_chunk = (Tox_Event_File_Recv_Chunk *)realloc(
events->file_recv_chunk, new_file_recv_chunk_capacity * sizeof(Tox_Event_File_Recv_Chunk));
if (new_file_recv_chunk == nullptr) {
return nullptr;
}
events->file_recv_chunk = new_file_recv_chunk;
events->file_recv_chunk_capacity = new_file_recv_chunk_capacity;
}
Tox_Event_File_Recv_Chunk *const file_recv_chunk = &events->file_recv_chunk[events->file_recv_chunk_size];
tox_event_file_recv_chunk_construct(file_recv_chunk);
++events->file_recv_chunk_size;
return file_recv_chunk;
}
void tox_events_clear_file_recv_chunk(Tox_Events *events)
{
if (events == nullptr) {
return;
}
for (uint32_t i = 0; i < events->file_recv_chunk_size; ++i) {
tox_event_file_recv_chunk_destruct(&events->file_recv_chunk[i]);
}
free(events->file_recv_chunk);
events->file_recv_chunk = nullptr;
events->file_recv_chunk_size = 0;
events->file_recv_chunk_capacity = 0;
}
uint32_t tox_events_get_file_recv_chunk_size(const Tox_Events *events)
{
if (events == nullptr) {
return 0;
}
return events->file_recv_chunk_size;
}
const Tox_Event_File_Recv_Chunk *tox_events_get_file_recv_chunk(const Tox_Events *events, uint32_t index)
{
assert(index < events->file_recv_chunk_size);
assert(events->file_recv_chunk != nullptr);
return &events->file_recv_chunk[index];
}
bool tox_events_pack_file_recv_chunk(const Tox_Events *events, Bin_Pack *bp)
{
const uint32_t size = tox_events_get_file_recv_chunk_size(events);
for (uint32_t i = 0; i < size; ++i) {
if (!tox_event_file_recv_chunk_pack(tox_events_get_file_recv_chunk(events, i), bp)) {
return false;
}
}
return true;
}
bool tox_events_unpack_file_recv_chunk(Tox_Events *events, Bin_Unpack *bu)
{
Tox_Event_File_Recv_Chunk *event = tox_events_add_file_recv_chunk(events);
if (event == nullptr) {
return false;
}
return tox_event_file_recv_chunk_unpack(event, bu);
}
/*****************************************************
*
* :: event handler
*
*****************************************************/
void tox_events_handle_file_recv_chunk(Tox *tox, uint32_t friend_number, uint32_t file_number, uint64_t position,
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_File_Recv_Chunk *file_recv_chunk = tox_events_add_file_recv_chunk(state->events);
if (file_recv_chunk == nullptr) {
state->error = TOX_ERR_EVENTS_ITERATE_MALLOC;
return;
}
tox_event_file_recv_chunk_set_friend_number(file_recv_chunk, friend_number);
tox_event_file_recv_chunk_set_file_number(file_recv_chunk, file_number);
tox_event_file_recv_chunk_set_position(file_recv_chunk, position);
tox_event_file_recv_chunk_set_data(file_recv_chunk, data, length);
}