/work/toxcore/events/friend_lossless_packet.c

Source (jump to first uncovered line)
/* SPDX-License-Identifier: GPL-3.0-or-later
 * Copyright © 2023-2024 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 "../mem.h"
#include "../tox.h"
#include "../tox_events.h"


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


struct Tox_Event_Friend_Lossless_Packet {
    uint32_t friend_number;
    uint8_t *data;
    uint32_t data_length;
};

non_null()
static void tox_event_friend_lossless_packet_set_friend_number(Tox_Event_Friend_Lossless_Packet *friend_lossless_packet,
        uint32_t friend_number)
{
    assert(friend_lossless_packet != nullptr);
    friend_lossless_packet->friend_number = friend_number;
}
uint32_t tox_event_friend_lossless_packet_get_friend_number(const Tox_Event_Friend_Lossless_Packet *friend_lossless_packet)
{
    assert(friend_lossless_packet != nullptr);
    return friend_lossless_packet->friend_number;
}

non_null(1) nullable(2)
static bool tox_event_friend_lossless_packet_set_data(Tox_Event_Friend_Lossless_Packet *friend_lossless_packet,
        const uint8_t *data, uint32_t data_length)
{
    assert(friend_lossless_packet != nullptr);

    if (friend_lossless_packet->data != nullptr) {
        free(friend_lossless_packet->data);
        friend_lossless_packet->data = nullptr;
        friend_lossless_packet->data_length = 0;
    }

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

    uint8_t *data_copy = (uint8_t *)malloc(data_length);

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

    memcpy(data_copy, data, data_length);
    friend_lossless_packet->data = data_copy;
    friend_lossless_packet->data_length = data_length;
    return true;
}
uint32_t tox_event_friend_lossless_packet_get_data_length(const Tox_Event_Friend_Lossless_Packet *friend_lossless_packet)
{
    assert(friend_lossless_packet != nullptr);
    return friend_lossless_packet->data_length;
}
const uint8_t *tox_event_friend_lossless_packet_get_data(const Tox_Event_Friend_Lossless_Packet *friend_lossless_packet)
{
    assert(friend_lossless_packet != nullptr);
    return friend_lossless_packet->data;
}

non_null()
static void tox_event_friend_lossless_packet_construct(Tox_Event_Friend_Lossless_Packet *friend_lossless_packet)
{
    *friend_lossless_packet = (Tox_Event_Friend_Lossless_Packet) {
        0
    };
}
non_null()
static void tox_event_friend_lossless_packet_destruct(Tox_Event_Friend_Lossless_Packet *friend_lossless_packet, const Memory *mem)
{
    free(friend_lossless_packet->data);
}

bool tox_event_friend_lossless_packet_pack(
    const Tox_Event_Friend_Lossless_Packet *event, Bin_Pack *bp)
{
    return bin_pack_array(bp, 2)
           && bin_pack_u32(bp, event->friend_number)
           && bin_pack_bin(bp, event->data, event->data_length);
}

non_null()
static bool tox_event_friend_lossless_packet_unpack_into(
    Tox_Event_Friend_Lossless_Packet *event, Bin_Unpack *bu)
{
    assert(event != nullptr);
    if (!bin_unpack_array_fixed(bu, 2, nullptr)) {
        return false;
    }

    return bin_unpack_u32(bu, &event->friend_number)
           && bin_unpack_bin(bu, &event->data, &event->data_length);
}


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

const Tox_Event_Friend_Lossless_Packet *tox_event_get_friend_lossless_packet(const Tox_Event *event)
{
    return event->type == TOX_EVENT_FRIEND_LOSSLESS_PACKET ? event->data.friend_lossless_packet : nullptr;
}

Tox_Event_Friend_Lossless_Packet *tox_event_friend_lossless_packet_new(const Memory *mem)
{
    Tox_Event_Friend_Lossless_Packet *const friend_lossless_packet =
        (Tox_Event_Friend_Lossless_Packet *)mem_alloc(mem, sizeof(Tox_Event_Friend_Lossless_Packet));

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

    tox_event_friend_lossless_packet_construct(friend_lossless_packet);
    return friend_lossless_packet;
}

void tox_event_friend_lossless_packet_free(Tox_Event_Friend_Lossless_Packet *friend_lossless_packet, const Memory *mem)
{
    if (friend_lossless_packet != nullptr) {
        tox_event_friend_lossless_packet_destruct(friend_lossless_packet, mem);
    }
    mem_delete(mem, friend_lossless_packet);
}

non_null()
static Tox_Event_Friend_Lossless_Packet *tox_events_add_friend_lossless_packet(Tox_Events *events, const Memory *mem)
{
    Tox_Event_Friend_Lossless_Packet *const friend_lossless_packet = tox_event_friend_lossless_packet_new(mem);

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

    Tox_Event event;
    event.type = TOX_EVENT_FRIEND_LOSSLESS_PACKET;
    event.data.friend_lossless_packet = friend_lossless_packet;

    tox_events_add(events, &event);
    return friend_lossless_packet;
}

bool tox_event_friend_lossless_packet_unpack(
    Tox_Event_Friend_Lossless_Packet **event, Bin_Unpack *bu, const Memory *mem)
{
    assert(event != nullptr);
    assert(*event == nullptr);
    *event = tox_event_friend_lossless_packet_new(mem);

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

    return tox_event_friend_lossless_packet_unpack_into(*event, bu);
}

non_null()
static Tox_Event_Friend_Lossless_Packet *tox_event_friend_lossless_packet_alloc(void *user_data)
{
    Tox_Events_State *state = tox_events_alloc(user_data);
    assert(state != nullptr);

    if (state->events == nullptr) {
        return nullptr;
    }

    Tox_Event_Friend_Lossless_Packet *friend_lossless_packet = tox_events_add_friend_lossless_packet(state->events, state->mem);

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

    return friend_lossless_packet;
}


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


void tox_events_handle_friend_lossless_packet(Tox *tox, uint32_t friend_number, const uint8_t *data, size_t length,
        void *user_data)
{
    Tox_Event_Friend_Lossless_Packet *friend_lossless_packet = tox_event_friend_lossless_packet_alloc(user_data);

    if (friend_lossless_packet == nullptr) {
        return;
    }

    tox_event_friend_lossless_packet_set_friend_number(friend_lossless_packet, friend_number);
    tox_event_friend_lossless_packet_set_data(friend_lossless_packet, data, length);
}

Coverage Report

Created: 2024-01-26 01:52

Line	Count	Source (jump to first uncovered line)
1		/* SPDX-License-Identifier: GPL-3.0-or-later
2		* Copyright © 2023-2024 The TokTok team.
3		*/
4
5		#include "events_alloc.h"
6
7		#include <assert.h>
8		#include <stdlib.h>
9		#include <string.h>
10
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_events.h"
17
18
19		/*****************************************************
20		*
21		* :: struct and accessors
22		*
23		*****************************************************/
24
25
26		struct Tox_Event_Friend_Lossless_Packet {
27		uint32_t friend_number;
28		uint8_t *data;
29		uint32_t data_length;
30		};
31
32		non_null()
33		static void tox_event_friend_lossless_packet_set_friend_number(Tox_Event_Friend_Lossless_Packet *friend_lossless_packet,
34		uint32_t friend_number)
35	7	{
36	7	assert(friend_lossless_packet != nullptr);
37	7	friend_lossless_packet->friend_number = friend_number;
38	7	}
39		uint32_t tox_event_friend_lossless_packet_get_friend_number(const Tox_Event_Friend_Lossless_Packet *friend_lossless_packet)
40	0	{
41	0	assert(friend_lossless_packet != nullptr);
42	0	return friend_lossless_packet->friend_number;
43	0	}
44
45		non_null(1) nullable(2)
46		static bool tox_event_friend_lossless_packet_set_data(Tox_Event_Friend_Lossless_Packet *friend_lossless_packet,
47		const uint8_t *data, uint32_t data_length)
48	7	{
49	7	assert(friend_lossless_packet != nullptr);
50
51	7	if (friend_lossless_packet->data != nullptr) {
52	0	free(friend_lossless_packet->data);
53	0	friend_lossless_packet->data = nullptr;
54	0	friend_lossless_packet->data_length = 0;
55	0	}
56
57	7	if (data == nullptr) {
58	0	assert(data_length == 0);
59	0	return true;
60	0	}
61
62	7	uint8_t data_copy = (uint8_t )malloc(data_length);
63
64	7	if (data_copy == nullptr) {
65	2	return false;
66	2	}
67
68	5	memcpy(data_copy, data, data_length);
69	5	friend_lossless_packet->data = data_copy;
70	5	friend_lossless_packet->data_length = data_length;
71	5	return true;
72	7	}
73		uint32_t tox_event_friend_lossless_packet_get_data_length(const Tox_Event_Friend_Lossless_Packet *friend_lossless_packet)
74	5	{
75	5	assert(friend_lossless_packet != nullptr);
76	5	return friend_lossless_packet->data_length;
77	5	}
78		const uint8_t tox_event_friend_lossless_packet_get_data(const Tox_Event_Friend_Lossless_Packet friend_lossless_packet)
79	5	{
80	5	assert(friend_lossless_packet != nullptr);
81	5	return friend_lossless_packet->data;
82	5	}
83
84		non_null()
85		static void tox_event_friend_lossless_packet_construct(Tox_Event_Friend_Lossless_Packet *friend_lossless_packet)
86	27	{
87	27	*friend_lossless_packet = (Tox_Event_Friend_Lossless_Packet) {
88	27	0
89	27	};
90	27	}
91		non_null()
92		static void tox_event_friend_lossless_packet_destruct(Tox_Event_Friend_Lossless_Packet friend_lossless_packet, const Memory mem)
93	24	{
94	24	free(friend_lossless_packet->data);
95	24	}
96
97		bool tox_event_friend_lossless_packet_pack(
98		const Tox_Event_Friend_Lossless_Packet event, Bin_Pack bp)
99	22	{
100	22	return bin_pack_array(bp, 2)
101	22	&& bin_pack_u32(bp, event->friend_number)
102	22	&& bin_pack_bin(bp, event->data, event->data_length);
103	22	}
104
105		non_null()
106		static bool tox_event_friend_lossless_packet_unpack_into(
107		Tox_Event_Friend_Lossless_Packet event, Bin_Unpack bu)
108	20	{
109	20	assert(event != nullptr);
110	20	if (!bin_unpack_array_fixed(bu, 2, nullptr)) {
111	1	return false;
112	1	}
113
114	19	return bin_unpack_u32(bu, &event->friend_number)
115	19	&& bin_unpack_bin(bu, &event->data, &event->data_length);
116	20	}
117
118
119		/*****************************************************
120		*
121		* :: new/free/add/get/size/unpack
122		*
123		*****************************************************/
124
125		const Tox_Event_Friend_Lossless_Packet tox_event_get_friend_lossless_packet(const Tox_Event event)
126	0	{
127	0	return event->type == TOX_EVENT_FRIEND_LOSSLESS_PACKET ? event->data.friend_lossless_packet : nullptr;
128	0	}
129
130		Tox_Event_Friend_Lossless_Packet tox_event_friend_lossless_packet_new(const Memory mem)
131	30	{
132	30	Tox_Event_Friend_Lossless_Packet *const friend_lossless_packet =
133	30	(Tox_Event_Friend_Lossless_Packet *)mem_alloc(mem, sizeof(Tox_Event_Friend_Lossless_Packet));
134
135	30	if (friend_lossless_packet == nullptr) {
136	3	return nullptr;
137	3	}
138
139	27	tox_event_friend_lossless_packet_construct(friend_lossless_packet);
140	27	return friend_lossless_packet;
141	30	}
142
143		void tox_event_friend_lossless_packet_free(Tox_Event_Friend_Lossless_Packet friend_lossless_packet, const Memory mem)
144	25	{
145	25	if (friend_lossless_packet != nullptr) {
146	24	tox_event_friend_lossless_packet_destruct(friend_lossless_packet, mem);
147	24	}
148	25	mem_delete(mem, friend_lossless_packet);
149	25	}
150
151		non_null()
152		static Tox_Event_Friend_Lossless_Packet tox_events_add_friend_lossless_packet(Tox_Events events, const Memory *mem)
153	9	{
154	9	Tox_Event_Friend_Lossless_Packet *const friend_lossless_packet = tox_event_friend_lossless_packet_new(mem);
155
156	9	if (friend_lossless_packet == nullptr) {
157	2	return nullptr;
158	2	}
159
160	7	Tox_Event event;
161	7	event.type = TOX_EVENT_FRIEND_LOSSLESS_PACKET;
162	7	event.data.friend_lossless_packet = friend_lossless_packet;
163
164	7	tox_events_add(events, &event);
165	7	return friend_lossless_packet;
166	9	}
167
168		bool tox_event_friend_lossless_packet_unpack(
169		Tox_Event_Friend_Lossless_Packet *event, Bin_Unpack bu, const Memory *mem)
170	21	{
171	21	assert(event != nullptr);
172	21	assert(*event == nullptr);
173	21	*event = tox_event_friend_lossless_packet_new(mem);
174
175	21	if (*event == nullptr) {
176	1	return false;
177	1	}
178
179	20	return tox_event_friend_lossless_packet_unpack_into(*event, bu);
180	21	}
181
182		non_null()
183		static Tox_Event_Friend_Lossless_Packet tox_event_friend_lossless_packet_alloc(void user_data)
184	11	{
185	11	Tox_Events_State *state = tox_events_alloc(user_data);
186	11	assert(state != nullptr);
187
188	11	if (state->events == nullptr) {
189	2	return nullptr;
190	2	}
191
192	9	Tox_Event_Friend_Lossless_Packet *friend_lossless_packet = tox_events_add_friend_lossless_packet(state->events, state->mem);
193
194	9	if (friend_lossless_packet == nullptr) {
195	2	state->error = TOX_ERR_EVENTS_ITERATE_MALLOC;
196	2	return nullptr;
197	2	}
198
199	7	return friend_lossless_packet;
200	9	}
201
202
203		/*****************************************************
204		*
205		* :: event handler
206		*
207		*****************************************************/
208
209
210		void tox_events_handle_friend_lossless_packet(Tox tox, uint32_t friend_number, const uint8_t data, size_t length,
211		void *user_data)
212	11	{
213	11	Tox_Event_Friend_Lossless_Packet *friend_lossless_packet = tox_event_friend_lossless_packet_alloc(user_data);
214
215	11	if (friend_lossless_packet == nullptr) {
216	4	return;
217	4	}
218
219	7	tox_event_friend_lossless_packet_set_friend_number(friend_lossless_packet, friend_number);
220	7	tox_event_friend_lossless_packet_set_data(friend_lossless_packet, data, length);
221	7	}