/work/toxcore/events/file_recv_chunk.c

Source (jump to first uncovered line)
/* SPDX-License-Identifier: GPL-3.0-or-later
 * Copyright © 2023-2026 The TokTok team.
 */

#include "events_alloc.h"

#include <assert.h>
#include <string.h>

#include "../attributes.h"
#include "../bin_pack.h"
#include "../bin_unpack.h"
#include "../ccompat.h"
#include "../mem.h"
#include "../tox.h"
#include "../tox_event.h"
#include "../tox_events.h"
#include "../tox_struct.h"

/*****************************************************
 *
 * :: struct and accessors
 *
 *****************************************************/

struct Tox_Event_File_Recv_Chunk {
    uint32_t friend_number;
    uint32_t file_number;
    uint64_t position;
    uint8_t *_Nullable data;
    uint32_t data_length;
};

static void tox_event_file_recv_chunk_set_friend_number(Tox_Event_File_Recv_Chunk *_Nonnull 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;
}

static void tox_event_file_recv_chunk_set_file_number(Tox_Event_File_Recv_Chunk *_Nonnull 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;
}

static void tox_event_file_recv_chunk_set_position(Tox_Event_File_Recv_Chunk *_Nonnull 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;
}

static bool tox_event_file_recv_chunk_set_data(Tox_Event_File_Recv_Chunk *_Nonnull file_recv_chunk,
        const Memory *_Nonnull mem, const uint8_t *_Nullable data, uint32_t data_length)
{
    assert(file_recv_chunk != nullptr);
    if (file_recv_chunk->data != nullptr) {
        mem_delete(mem, file_recv_chunk->data);
        file_recv_chunk->data = nullptr;
        file_recv_chunk->data_length = 0;
    }

    if (data == nullptr) {
        assert(data_length == 0);
        return true;
    }

    if (data_length == 0) {
        file_recv_chunk->data = nullptr;
        file_recv_chunk->data_length = 0;
        return true;
    }

    uint8_t *data_copy = (uint8_t *)mem_balloc(mem, data_length);

    if (data_copy == nullptr) {
        return false;
    }

    memcpy(data_copy, data, data_length);
    file_recv_chunk->data = data_copy;
    file_recv_chunk->data_length = data_length;
    return true;
}
uint32_t tox_event_file_recv_chunk_get_data_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;
}

static void tox_event_file_recv_chunk_construct(Tox_Event_File_Recv_Chunk *_Nonnull file_recv_chunk)
{
    *file_recv_chunk = (Tox_Event_File_Recv_Chunk) {
        0
    };
}
static void tox_event_file_recv_chunk_destruct(Tox_Event_File_Recv_Chunk *_Nonnull file_recv_chunk, const Memory *_Nonnull mem)
{
    mem_delete(mem, file_recv_chunk->data);
}

bool tox_event_file_recv_chunk_pack(
    const Tox_Event_File_Recv_Chunk *event, Bin_Pack *bp)
{
    return 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);
}

static bool tox_event_file_recv_chunk_unpack_into(Tox_Event_File_Recv_Chunk *_Nonnull event, Bin_Unpack *_Nonnull bu)
{
    assert(event != nullptr);
    if (!bin_unpack_array_fixed(bu, 4, nullptr)) {
        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);
}

/*****************************************************
 *
 * :: new/free/add/get/size/unpack
 *
 *****************************************************/

const Tox_Event_File_Recv_Chunk *tox_event_get_file_recv_chunk(const Tox_Event *event)
{
    return event->type == TOX_EVENT_FILE_RECV_CHUNK ? event->data.file_recv_chunk : nullptr;
}

Tox_Event_File_Recv_Chunk *tox_event_file_recv_chunk_new(const Memory *mem)
{
    Tox_Event_File_Recv_Chunk *const file_recv_chunk =
        (Tox_Event_File_Recv_Chunk *)mem_alloc(mem, sizeof(Tox_Event_File_Recv_Chunk));

    if (file_recv_chunk == nullptr) {
        return nullptr;
    }

    tox_event_file_recv_chunk_construct(file_recv_chunk);
    return file_recv_chunk;
}

void tox_event_file_recv_chunk_free(Tox_Event_File_Recv_Chunk *file_recv_chunk, const Memory *mem)
{
    if (file_recv_chunk != nullptr) {
        tox_event_file_recv_chunk_destruct(file_recv_chunk, mem);
    }
    mem_delete(mem, file_recv_chunk);
}

static Tox_Event_File_Recv_Chunk *_Nullable tox_events_add_file_recv_chunk(Tox_Events *_Nonnull events, const Memory *_Nonnull mem)
{
    Tox_Event_File_Recv_Chunk *const file_recv_chunk = tox_event_file_recv_chunk_new(mem);

    if (file_recv_chunk == nullptr) {
        return nullptr;
    }

    Tox_Event event;
    event.type = TOX_EVENT_FILE_RECV_CHUNK;
    event.data.file_recv_chunk = file_recv_chunk;

    if (!tox_events_add(events, &event)) {
        tox_event_file_recv_chunk_free(file_recv_chunk, mem);
        return nullptr;
    }
    return file_recv_chunk;
}

bool tox_event_file_recv_chunk_unpack(
    Tox_Event_File_Recv_Chunk **event, Bin_Unpack *bu, const Memory *mem)
{
    assert(event != nullptr);
    assert(*event == nullptr);
    *event = tox_event_file_recv_chunk_new(mem);

    if (*event == nullptr) {
        return false;
    }

    return tox_event_file_recv_chunk_unpack_into(*event, bu);
}

static Tox_Event_File_Recv_Chunk *_Nullable tox_event_file_recv_chunk_alloc(Tox_Events_State *_Nonnull state)
{
    if (state->events == nullptr) {
        return nullptr;
    }

    Tox_Event_File_Recv_Chunk *file_recv_chunk = tox_events_add_file_recv_chunk(state->events, state->mem);

    if (file_recv_chunk == nullptr) {
        state->error = TOX_ERR_EVENTS_ITERATE_MALLOC;
        return nullptr;
    }

    return file_recv_chunk;
}

/*****************************************************
 *
 * :: event handler
 *
 *****************************************************/

void tox_events_handle_file_recv_chunk(
    Tox *_Nonnull tox,
    uint32_t friend_number,
    uint32_t file_number,
    uint64_t position,
    const uint8_t *_Nullable data, size_t length,
    void *_Nullable user_data)
{
    Tox_Events_State *state = tox_events_alloc(user_data);
    Tox_Event_File_Recv_Chunk *file_recv_chunk = tox_event_file_recv_chunk_alloc(state);

    if (file_recv_chunk == nullptr) {
        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);
    if (!tox_event_file_recv_chunk_set_data(file_recv_chunk, state->mem, data, length)) {
        tox_event_file_recv_chunk_free(file_recv_chunk, state->mem);
        state->error = TOX_ERR_EVENTS_ITERATE_MALLOC;
        return;
    }
}

void tox_events_handle_file_recv_chunk_dispatch(Tox *tox, const Tox_Event_File_Recv_Chunk *event, void *user_data)
{
    if (tox->file_recv_chunk_callback == nullptr) {
        return;
    }

    tox_unlock(tox);
    tox->file_recv_chunk_callback(tox, event->friend_number, event->file_number, event->position, event->data, event->data_length, user_data);
    tox_lock(tox);
}

Coverage Report

Created: 2026-10-24 08:16

Line	Count	Source (jump to first uncovered line)
1		/* SPDX-License-Identifier: GPL-3.0-or-later
2		* Copyright © 2023-2026 The TokTok team.
3		*/
4
5		#include "events_alloc.h"
6
7		#include <assert.h>
8		#include <string.h>
9
10		#include "../attributes.h"
11		#include "../bin_pack.h"
12		#include "../bin_unpack.h"
13		#include "../ccompat.h"
14		#include "../mem.h"
15		#include "../tox.h"
16		#include "../tox_event.h"
17		#include "../tox_events.h"
18		#include "../tox_struct.h"
19
20		/*****************************************************
21		*
22		* :: struct and accessors
23		*
24		*****************************************************/
25
26		struct Tox_Event_File_Recv_Chunk {
27		uint32_t friend_number;
28		uint32_t file_number;
29		uint64_t position;
30		uint8_t *_Nullable data;
31		uint32_t data_length;
32		};
33
34		static void tox_event_file_recv_chunk_set_friend_number(Tox_Event_File_Recv_Chunk *_Nonnull file_recv_chunk, uint32_t friend_number)
35	1.15k	{
36	1.15k	assert(file_recv_chunk != nullptr);
37	1.15k	file_recv_chunk->friend_number = friend_number;
38	1.15k	}
39		uint32_t tox_event_file_recv_chunk_get_friend_number(const Tox_Event_File_Recv_Chunk *file_recv_chunk)
40	0	{
41	0	assert(file_recv_chunk != nullptr);
42	0	return file_recv_chunk->friend_number;
43	0	}
44
45		static void tox_event_file_recv_chunk_set_file_number(Tox_Event_File_Recv_Chunk *_Nonnull file_recv_chunk, uint32_t file_number)
46	1.15k	{
47	1.15k	assert(file_recv_chunk != nullptr);
48	1.15k	file_recv_chunk->file_number = file_number;
49	1.15k	}
50		uint32_t tox_event_file_recv_chunk_get_file_number(const Tox_Event_File_Recv_Chunk *file_recv_chunk)
51	0	{
52	0	assert(file_recv_chunk != nullptr);
53	0	return file_recv_chunk->file_number;
54	0	}
55
56		static void tox_event_file_recv_chunk_set_position(Tox_Event_File_Recv_Chunk *_Nonnull file_recv_chunk, uint64_t position)
57	1.15k	{
58	1.15k	assert(file_recv_chunk != nullptr);
59	1.15k	file_recv_chunk->position = position;
60	1.15k	}
61		uint64_t tox_event_file_recv_chunk_get_position(const Tox_Event_File_Recv_Chunk *file_recv_chunk)
62	2	{
63	2	assert(file_recv_chunk != nullptr);
64	2	return file_recv_chunk->position;
65	2	}
66
67		static bool tox_event_file_recv_chunk_set_data(Tox_Event_File_Recv_Chunk *_Nonnull file_recv_chunk,
68		const Memory _Nonnull mem, const uint8_t _Nullable data, uint32_t data_length)
69	1.15k	{
70	1.15k	assert(file_recv_chunk != nullptr);
71	1.15k	if (file_recv_chunk->data != nullptr) {
72	0	mem_delete(mem, file_recv_chunk->data);
73	0	file_recv_chunk->data = nullptr;
74	0	file_recv_chunk->data_length = 0;
75	0	}
76
77	1.15k	if (data == nullptr) {
78	3	assert(data_length == 0);
79	3	return true;
80	3	}
81
82	1.14k	if (data_length == 0) {
83	0	file_recv_chunk->data = nullptr;
84	0	file_recv_chunk->data_length = 0;
85	0	return true;
86	0	}
87
88	1.14k	uint8_t data_copy = (uint8_t )mem_balloc(mem, data_length);
89
90	1.14k	if (data_copy == nullptr) {
91	0	return false;
92	0	}
93
94	1.14k	memcpy(data_copy, data, data_length);
95	1.14k	file_recv_chunk->data = data_copy;
96	1.14k	file_recv_chunk->data_length = data_length;
97	1.14k	return true;
98	1.14k	}
99		uint32_t tox_event_file_recv_chunk_get_data_length(const Tox_Event_File_Recv_Chunk *file_recv_chunk)
100	1.15k	{
101	1.15k	assert(file_recv_chunk != nullptr);
102	1.15k	return file_recv_chunk->data_length;
103	1.15k	}
104		const uint8_t tox_event_file_recv_chunk_get_data(const Tox_Event_File_Recv_Chunk file_recv_chunk)
105	1	{
106	1	assert(file_recv_chunk != nullptr);
107	1	return file_recv_chunk->data;
108	1	}
109
110		static void tox_event_file_recv_chunk_construct(Tox_Event_File_Recv_Chunk *_Nonnull file_recv_chunk)
111	1.17k	{
112	1.17k	*file_recv_chunk = (Tox_Event_File_Recv_Chunk) {
113	1.17k	0
114	1.17k	};
115	1.17k	}
116		static void tox_event_file_recv_chunk_destruct(Tox_Event_File_Recv_Chunk _Nonnull file_recv_chunk, const Memory _Nonnull mem)
117	1.17k	{
118	1.17k	mem_delete(mem, file_recv_chunk->data);
119	1.17k	}
120
121		bool tox_event_file_recv_chunk_pack(
122		const Tox_Event_File_Recv_Chunk event, Bin_Pack bp)
123	20	{
124	20	return bin_pack_array(bp, 4)
125	20	&& bin_pack_u32(bp, event->friend_number)
126	20	&& bin_pack_u32(bp, event->file_number)
127	20	&& bin_pack_u64(bp, event->position)
128	20	&& bin_pack_bin(bp, event->data, event->data_length);
129	20	}
130
131		static bool tox_event_file_recv_chunk_unpack_into(Tox_Event_File_Recv_Chunk _Nonnull event, Bin_Unpack _Nonnull bu)
132	24	{
133	24	assert(event != nullptr);
134	24	if (!bin_unpack_array_fixed(bu, 4, nullptr)) {
135	2	return false;
136	2	}
137
138	22	return bin_unpack_u32(bu, &event->friend_number)
139	22	&& bin_unpack_u32(bu, &event->file_number)
140	22	&& bin_unpack_u64(bu, &event->position)
141	22	&& bin_unpack_bin(bu, &event->data, &event->data_length);
142	24	}
143
144		/*****************************************************
145		*
146		* :: new/free/add/get/size/unpack
147		*
148		*****************************************************/
149
150		const Tox_Event_File_Recv_Chunk tox_event_get_file_recv_chunk(const Tox_Event event)
151	0	{
152	0	return event->type == TOX_EVENT_FILE_RECV_CHUNK ? event->data.file_recv_chunk : nullptr;
153	0	}
154
155		Tox_Event_File_Recv_Chunk tox_event_file_recv_chunk_new(const Memory mem)
156	1.17k	{
157	1.17k	Tox_Event_File_Recv_Chunk *const file_recv_chunk =
158	1.17k	(Tox_Event_File_Recv_Chunk *)mem_alloc(mem, sizeof(Tox_Event_File_Recv_Chunk));
159
160	1.17k	if (file_recv_chunk == nullptr) {
161	1	return nullptr;
162	1	}
163
164	1.17k	tox_event_file_recv_chunk_construct(file_recv_chunk);
165	1.17k	return file_recv_chunk;
166	1.17k	}
167
168		void tox_event_file_recv_chunk_free(Tox_Event_File_Recv_Chunk file_recv_chunk, const Memory mem)
169	1.17k	{
170	1.17k	if (file_recv_chunk != nullptr) {
171	1.17k	tox_event_file_recv_chunk_destruct(file_recv_chunk, mem);
172	1.17k	}
173	1.17k	mem_delete(mem, file_recv_chunk);
174	1.17k	}
175
176		static Tox_Event_File_Recv_Chunk _Nullable tox_events_add_file_recv_chunk(Tox_Events _Nonnull events, const Memory *_Nonnull mem)
177	1.15k	{
178	1.15k	Tox_Event_File_Recv_Chunk *const file_recv_chunk = tox_event_file_recv_chunk_new(mem);
179
180	1.15k	if (file_recv_chunk == nullptr) {
181	0	return nullptr;
182	0	}
183
184	1.15k	Tox_Event event;
185	1.15k	event.type = TOX_EVENT_FILE_RECV_CHUNK;
186	1.15k	event.data.file_recv_chunk = file_recv_chunk;
187
188	1.15k	if (!tox_events_add(events, &event)) {
189	0	tox_event_file_recv_chunk_free(file_recv_chunk, mem);
190	0	return nullptr;
191	0	}
192	1.15k	return file_recv_chunk;
193	1.15k	}
194
195		bool tox_event_file_recv_chunk_unpack(
196		Tox_Event_File_Recv_Chunk *event, Bin_Unpack bu, const Memory *mem)
197	25	{
198	25	assert(event != nullptr);
199	25	assert(*event == nullptr);
200	25	*event = tox_event_file_recv_chunk_new(mem);
201
202	25	if (*event == nullptr) {
203	1	return false;
204	1	}
205
206	24	return tox_event_file_recv_chunk_unpack_into(*event, bu);
207	25	}
208
209		static Tox_Event_File_Recv_Chunk _Nullable tox_event_file_recv_chunk_alloc(Tox_Events_State _Nonnull state)
210	1.15k	{
211	1.15k	if (state->events == nullptr) {
212	0	return nullptr;
213	0	}
214
215	1.15k	Tox_Event_File_Recv_Chunk *file_recv_chunk = tox_events_add_file_recv_chunk(state->events, state->mem);
216
217	1.15k	if (file_recv_chunk == nullptr) {
218	0	state->error = TOX_ERR_EVENTS_ITERATE_MALLOC;
219	0	return nullptr;
220	0	}
221
222	1.15k	return file_recv_chunk;
223	1.15k	}
224
225		/*****************************************************
226		*
227		* :: event handler
228		*
229		*****************************************************/
230
231		void tox_events_handle_file_recv_chunk(
232		Tox *_Nonnull tox,
233		uint32_t friend_number,
234		uint32_t file_number,
235		uint64_t position,
236		const uint8_t *_Nullable data, size_t length,
237		void *_Nullable user_data)
238	1.15k	{
239	1.15k	Tox_Events_State *state = tox_events_alloc(user_data);
240	1.15k	Tox_Event_File_Recv_Chunk *file_recv_chunk = tox_event_file_recv_chunk_alloc(state);
241
242	1.15k	if (file_recv_chunk == nullptr) {
243	0	return;
244	0	}
245
246	1.15k	tox_event_file_recv_chunk_set_friend_number(file_recv_chunk, friend_number);
247	1.15k	tox_event_file_recv_chunk_set_file_number(file_recv_chunk, file_number);
248	1.15k	tox_event_file_recv_chunk_set_position(file_recv_chunk, position);
249	1.15k	if (!tox_event_file_recv_chunk_set_data(file_recv_chunk, state->mem, data, length)) {
250	0	tox_event_file_recv_chunk_free(file_recv_chunk, state->mem);
251	0	state->error = TOX_ERR_EVENTS_ITERATE_MALLOC;
252	0	return;
253	0	}
254	1.15k	}
255
256		void tox_events_handle_file_recv_chunk_dispatch(Tox tox, const Tox_Event_File_Recv_Chunk event, void *user_data)
257	0	{
258	0	if (tox->file_recv_chunk_callback == nullptr) {
259	0	return;
260	0	}
261
262	0	tox_unlock(tox);
263	0	tox->file_recv_chunk_callback(tox, event->friend_number, event->file_number, event->position, event->data, event->data_length, user_data);
264	0	tox_lock(tox);
265	0	}