/work/toxcore/events/file_recv.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 {
    uint32_t friend_number;
    uint32_t file_number;
    uint32_t kind;
    uint64_t file_size;
    uint8_t *_Nullable filename;
    uint32_t filename_length;
};

static void tox_event_file_recv_set_friend_number(Tox_Event_File_Recv *_Nonnull file_recv, uint32_t friend_number)
{
    assert(file_recv != nullptr);
    file_recv->friend_number = friend_number;
}
uint32_t tox_event_file_recv_get_friend_number(const Tox_Event_File_Recv *file_recv)
{
    assert(file_recv != nullptr);
    return file_recv->friend_number;
}

static void tox_event_file_recv_set_file_number(Tox_Event_File_Recv *_Nonnull file_recv, uint32_t file_number)
{
    assert(file_recv != nullptr);
    file_recv->file_number = file_number;
}
uint32_t tox_event_file_recv_get_file_number(const Tox_Event_File_Recv *file_recv)
{
    assert(file_recv != nullptr);
    return file_recv->file_number;
}

static void tox_event_file_recv_set_kind(Tox_Event_File_Recv *_Nonnull file_recv, uint32_t kind)
{
    assert(file_recv != nullptr);
    file_recv->kind = kind;
}
uint32_t tox_event_file_recv_get_kind(const Tox_Event_File_Recv *file_recv)
{
    assert(file_recv != nullptr);
    return file_recv->kind;
}

static void tox_event_file_recv_set_file_size(Tox_Event_File_Recv *_Nonnull file_recv, uint64_t file_size)
{
    assert(file_recv != nullptr);
    file_recv->file_size = file_size;
}
uint64_t tox_event_file_recv_get_file_size(const Tox_Event_File_Recv *file_recv)
{
    assert(file_recv != nullptr);
    return file_recv->file_size;
}

static bool tox_event_file_recv_set_filename(Tox_Event_File_Recv *_Nonnull file_recv,
        const Memory *_Nonnull mem, const uint8_t *_Nullable filename, uint32_t filename_length)
{
    assert(file_recv != nullptr);
    if (file_recv->filename != nullptr) {
        mem_delete(mem, file_recv->filename);
        file_recv->filename = nullptr;
        file_recv->filename_length = 0;
    }

    if (filename == nullptr) {
        assert(filename_length == 0);
        return true;
    }

    if (filename_length == 0) {
        file_recv->filename = nullptr;
        file_recv->filename_length = 0;
        return true;
    }

    uint8_t *filename_copy = (uint8_t *)mem_balloc(mem, filename_length);

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

    memcpy(filename_copy, filename, filename_length);
    file_recv->filename = filename_copy;
    file_recv->filename_length = filename_length;
    return true;
}
uint32_t tox_event_file_recv_get_filename_length(const Tox_Event_File_Recv *file_recv)
{
    assert(file_recv != nullptr);
    return file_recv->filename_length;
}
const uint8_t *tox_event_file_recv_get_filename(const Tox_Event_File_Recv *file_recv)
{
    assert(file_recv != nullptr);
    return file_recv->filename;
}

static void tox_event_file_recv_construct(Tox_Event_File_Recv *_Nonnull file_recv)
{
    *file_recv = (Tox_Event_File_Recv) {
        0
    };
}
static void tox_event_file_recv_destruct(Tox_Event_File_Recv *_Nonnull file_recv, const Memory *_Nonnull mem)
{
    mem_delete(mem, file_recv->filename);
}

bool tox_event_file_recv_pack(
    const Tox_Event_File_Recv *event, Bin_Pack *bp)
{
    return bin_pack_array(bp, 5)
           && bin_pack_u32(bp, event->friend_number)
           && bin_pack_u32(bp, event->file_number)
           && bin_pack_u32(bp, event->kind)
           && bin_pack_u64(bp, event->file_size)
           && bin_pack_bin(bp, event->filename, event->filename_length);
}

static bool tox_event_file_recv_unpack_into(Tox_Event_File_Recv *_Nonnull event, Bin_Unpack *_Nonnull bu)
{
    assert(event != nullptr);
    if (!bin_unpack_array_fixed(bu, 5, nullptr)) {
        return false;
    }

    return bin_unpack_u32(bu, &event->friend_number)
           && bin_unpack_u32(bu, &event->file_number)
           && bin_unpack_u32(bu, &event->kind)
           && bin_unpack_u64(bu, &event->file_size)
           && bin_unpack_bin(bu, &event->filename, &event->filename_length);
}

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

const Tox_Event_File_Recv *tox_event_get_file_recv(const Tox_Event *event)
{
    return event->type == TOX_EVENT_FILE_RECV ? event->data.file_recv : nullptr;
}

Tox_Event_File_Recv *tox_event_file_recv_new(const Memory *mem)
{
    Tox_Event_File_Recv *const file_recv =
        (Tox_Event_File_Recv *)mem_alloc(mem, sizeof(Tox_Event_File_Recv));

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

    tox_event_file_recv_construct(file_recv);
    return file_recv;
}

void tox_event_file_recv_free(Tox_Event_File_Recv *file_recv, const Memory *mem)
{
    if (file_recv != nullptr) {
        tox_event_file_recv_destruct(file_recv, mem);
    }
    mem_delete(mem, file_recv);
}

static Tox_Event_File_Recv *_Nullable tox_events_add_file_recv(Tox_Events *_Nonnull events, const Memory *_Nonnull mem)
{
    Tox_Event_File_Recv *const file_recv = tox_event_file_recv_new(mem);

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

    Tox_Event event;
    event.type = TOX_EVENT_FILE_RECV;
    event.data.file_recv = file_recv;

    if (!tox_events_add(events, &event)) {
        tox_event_file_recv_free(file_recv, mem);
        return nullptr;
    }
    return file_recv;
}

bool tox_event_file_recv_unpack(
    Tox_Event_File_Recv **event, Bin_Unpack *bu, const Memory *mem)
{
    assert(event != nullptr);
    assert(*event == nullptr);
    *event = tox_event_file_recv_new(mem);

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

    return tox_event_file_recv_unpack_into(*event, bu);
}

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

    Tox_Event_File_Recv *file_recv = tox_events_add_file_recv(state->events, state->mem);

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

    return file_recv;
}

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

void tox_events_handle_file_recv(
    Tox *_Nonnull tox,
    uint32_t friend_number,
    uint32_t file_number,
    uint32_t kind,
    uint64_t file_size,
    const uint8_t *_Nullable filename, size_t filename_length,
    void *_Nullable user_data)
{
    Tox_Events_State *state = tox_events_alloc(user_data);
    Tox_Event_File_Recv *file_recv = tox_event_file_recv_alloc(state);

    if (file_recv == nullptr) {
        return;
    }

    tox_event_file_recv_set_friend_number(file_recv, friend_number);
    tox_event_file_recv_set_file_number(file_recv, file_number);
    tox_event_file_recv_set_kind(file_recv, kind);
    tox_event_file_recv_set_file_size(file_recv, file_size);
    if (!tox_event_file_recv_set_filename(file_recv, state->mem, filename, filename_length)) {
        tox_event_file_recv_free(file_recv, state->mem);
        state->error = TOX_ERR_EVENTS_ITERATE_MALLOC;
        return;
    }
}

void tox_events_handle_file_recv_dispatch(Tox *tox, const Tox_Event_File_Recv *event, void *user_data)
{
    if (tox->file_recv_callback == nullptr) {
        return;
    }

    tox_unlock(tox);
    tox->file_recv_callback(tox, event->friend_number, event->file_number, event->kind, event->file_size, event->filename, event->filename_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 {
27		uint32_t friend_number;
28		uint32_t file_number;
29		uint32_t kind;
30		uint64_t file_size;
31		uint8_t *_Nullable filename;
32		uint32_t filename_length;
33		};
34
35		static void tox_event_file_recv_set_friend_number(Tox_Event_File_Recv *_Nonnull file_recv, uint32_t friend_number)
36	4	{
37	4	assert(file_recv != nullptr);
38	4	file_recv->friend_number = friend_number;
39	4	}
40		uint32_t tox_event_file_recv_get_friend_number(const Tox_Event_File_Recv *file_recv)
41	3	{
42	3	assert(file_recv != nullptr);
43	3	return file_recv->friend_number;
44	3	}
45
46		static void tox_event_file_recv_set_file_number(Tox_Event_File_Recv *_Nonnull file_recv, uint32_t file_number)
47	4	{
48	4	assert(file_recv != nullptr);
49	4	file_recv->file_number = file_number;
50	4	}
51		uint32_t tox_event_file_recv_get_file_number(const Tox_Event_File_Recv *file_recv)
52	4	{
53	4	assert(file_recv != nullptr);
54	4	return file_recv->file_number;
55	4	}
56
57		static void tox_event_file_recv_set_kind(Tox_Event_File_Recv *_Nonnull file_recv, uint32_t kind)
58	4	{
59	4	assert(file_recv != nullptr);
60	4	file_recv->kind = kind;
61	4	}
62		uint32_t tox_event_file_recv_get_kind(const Tox_Event_File_Recv *file_recv)
63	1	{
64	1	assert(file_recv != nullptr);
65	1	return file_recv->kind;
66	1	}
67
68		static void tox_event_file_recv_set_file_size(Tox_Event_File_Recv *_Nonnull file_recv, uint64_t file_size)
69	4	{
70	4	assert(file_recv != nullptr);
71	4	file_recv->file_size = file_size;
72	4	}
73		uint64_t tox_event_file_recv_get_file_size(const Tox_Event_File_Recv *file_recv)
74	1	{
75	1	assert(file_recv != nullptr);
76	1	return file_recv->file_size;
77	1	}
78
79		static bool tox_event_file_recv_set_filename(Tox_Event_File_Recv *_Nonnull file_recv,
80		const Memory _Nonnull mem, const uint8_t _Nullable filename, uint32_t filename_length)
81	4	{
82	4	assert(file_recv != nullptr);
83	4	if (file_recv->filename != nullptr) {
84	0	mem_delete(mem, file_recv->filename);
85	0	file_recv->filename = nullptr;
86	0	file_recv->filename_length = 0;
87	0	}
88
89	4	if (filename == nullptr) {
90	0	assert(filename_length == 0);
91	0	return true;
92	0	}
93
94	4	if (filename_length == 0) {
95	0	file_recv->filename = nullptr;
96	0	file_recv->filename_length = 0;
97	0	return true;
98	0	}
99
100	4	uint8_t filename_copy = (uint8_t )mem_balloc(mem, filename_length);
101
102	4	if (filename_copy == nullptr) {
103	0	return false;
104	0	}
105
106	4	memcpy(filename_copy, filename, filename_length);
107	4	file_recv->filename = filename_copy;
108	4	file_recv->filename_length = filename_length;
109	4	return true;
110	4	}
111		uint32_t tox_event_file_recv_get_filename_length(const Tox_Event_File_Recv *file_recv)
112	0	{
113	0	assert(file_recv != nullptr);
114	0	return file_recv->filename_length;
115	0	}
116		const uint8_t tox_event_file_recv_get_filename(const Tox_Event_File_Recv file_recv)
117	0	{
118	0	assert(file_recv != nullptr);
119	0	return file_recv->filename;
120	0	}
121
122		static void tox_event_file_recv_construct(Tox_Event_File_Recv *_Nonnull file_recv)
123	36	{
124	36	*file_recv = (Tox_Event_File_Recv) {
125	36	0
126	36	};
127	36	}
128		static void tox_event_file_recv_destruct(Tox_Event_File_Recv _Nonnull file_recv, const Memory _Nonnull mem)
129	36	{
130	36	mem_delete(mem, file_recv->filename);
131	36	}
132
133		bool tox_event_file_recv_pack(
134		const Tox_Event_File_Recv event, Bin_Pack bp)
135	38	{
136	38	return bin_pack_array(bp, 5)
137	38	&& bin_pack_u32(bp, event->friend_number)
138	38	&& bin_pack_u32(bp, event->file_number)
139	38	&& bin_pack_u32(bp, event->kind)
140	38	&& bin_pack_u64(bp, event->file_size)
141	38	&& bin_pack_bin(bp, event->filename, event->filename_length);
142	38	}
143
144		static bool tox_event_file_recv_unpack_into(Tox_Event_File_Recv _Nonnull event, Bin_Unpack _Nonnull bu)
145	32	{
146	32	assert(event != nullptr);
147	32	if (!bin_unpack_array_fixed(bu, 5, nullptr)) {
148	2	return false;
149	2	}
150
151	30	return bin_unpack_u32(bu, &event->friend_number)
152	30	&& bin_unpack_u32(bu, &event->file_number)
153	30	&& bin_unpack_u32(bu, &event->kind)
154	30	&& bin_unpack_u64(bu, &event->file_size)
155	30	&& bin_unpack_bin(bu, &event->filename, &event->filename_length);
156	32	}
157
158		/*****************************************************
159		*
160		* :: new/free/add/get/size/unpack
161		*
162		*****************************************************/
163
164		const Tox_Event_File_Recv tox_event_get_file_recv(const Tox_Event event)
165	0	{
166	0	return event->type == TOX_EVENT_FILE_RECV ? event->data.file_recv : nullptr;
167	0	}
168
169		Tox_Event_File_Recv tox_event_file_recv_new(const Memory mem)
170	37	{
171	37	Tox_Event_File_Recv *const file_recv =
172	37	(Tox_Event_File_Recv *)mem_alloc(mem, sizeof(Tox_Event_File_Recv));
173
174	37	if (file_recv == nullptr) {
175	1	return nullptr;
176	1	}
177
178	36	tox_event_file_recv_construct(file_recv);
179	36	return file_recv;
180	37	}
181
182		void tox_event_file_recv_free(Tox_Event_File_Recv file_recv, const Memory mem)
183	37	{
184	37	if (file_recv != nullptr) {
185	36	tox_event_file_recv_destruct(file_recv, mem);
186	36	}
187	37	mem_delete(mem, file_recv);
188	37	}
189
190		static Tox_Event_File_Recv _Nullable tox_events_add_file_recv(Tox_Events _Nonnull events, const Memory *_Nonnull mem)
191	4	{
192	4	Tox_Event_File_Recv *const file_recv = tox_event_file_recv_new(mem);
193
194	4	if (file_recv == nullptr) {
195	0	return nullptr;
196	0	}
197
198	4	Tox_Event event;
199	4	event.type = TOX_EVENT_FILE_RECV;
200	4	event.data.file_recv = file_recv;
201
202	4	if (!tox_events_add(events, &event)) {
203	0	tox_event_file_recv_free(file_recv, mem);
204	0	return nullptr;
205	0	}
206	4	return file_recv;
207	4	}
208
209		bool tox_event_file_recv_unpack(
210		Tox_Event_File_Recv *event, Bin_Unpack bu, const Memory *mem)
211	33	{
212	33	assert(event != nullptr);
213	33	assert(*event == nullptr);
214	33	*event = tox_event_file_recv_new(mem);
215
216	33	if (*event == nullptr) {
217	1	return false;
218	1	}
219
220	32	return tox_event_file_recv_unpack_into(*event, bu);
221	33	}
222
223		static Tox_Event_File_Recv _Nullable tox_event_file_recv_alloc(Tox_Events_State _Nonnull state)
224	4	{
225	4	if (state->events == nullptr) {
226	0	return nullptr;
227	0	}
228
229	4	Tox_Event_File_Recv *file_recv = tox_events_add_file_recv(state->events, state->mem);
230
231	4	if (file_recv == nullptr) {
232	0	state->error = TOX_ERR_EVENTS_ITERATE_MALLOC;
233	0	return nullptr;
234	0	}
235
236	4	return file_recv;
237	4	}
238
239		/*****************************************************
240		*
241		* :: event handler
242		*
243		*****************************************************/
244
245		void tox_events_handle_file_recv(
246		Tox *_Nonnull tox,
247		uint32_t friend_number,
248		uint32_t file_number,
249		uint32_t kind,
250		uint64_t file_size,
251		const uint8_t *_Nullable filename, size_t filename_length,
252		void *_Nullable user_data)
253	4	{
254	4	Tox_Events_State *state = tox_events_alloc(user_data);
255	4	Tox_Event_File_Recv *file_recv = tox_event_file_recv_alloc(state);
256
257	4	if (file_recv == nullptr) {
258	0	return;
259	0	}
260
261	4	tox_event_file_recv_set_friend_number(file_recv, friend_number);
262	4	tox_event_file_recv_set_file_number(file_recv, file_number);
263	4	tox_event_file_recv_set_kind(file_recv, kind);
264	4	tox_event_file_recv_set_file_size(file_recv, file_size);
265	4	if (!tox_event_file_recv_set_filename(file_recv, state->mem, filename, filename_length)) {
266	0	tox_event_file_recv_free(file_recv, state->mem);
267	0	state->error = TOX_ERR_EVENTS_ITERATE_MALLOC;
268	0	return;
269	0	}
270	4	}
271
272		void tox_events_handle_file_recv_dispatch(Tox tox, const Tox_Event_File_Recv event, void *user_data)
273	0	{
274	0	if (tox->file_recv_callback == nullptr) {
275	0	return;
276	0	}
277
278	0	tox_unlock(tox);
279	0	tox->file_recv_callback(tox, event->friend_number, event->file_number, event->kind, event->file_size, event->filename, event->filename_length, user_data);
280	0	tox_lock(tox);
281	0	}