/work/toxcore/events/group_peer_exit.c
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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_pack.h" |
19 | | #include "../tox_struct.h" |
20 | | #include "../tox_unpack.h" |
21 | | |
22 | | /***************************************************** |
23 | | * |
24 | | * :: struct and accessors |
25 | | * |
26 | | *****************************************************/ |
27 | | |
28 | | struct Tox_Event_Group_Peer_Exit { |
29 | | uint32_t group_number; |
30 | | uint32_t peer_id; |
31 | | Tox_Group_Exit_Type exit_type; |
32 | | uint8_t *_Nullable name; |
33 | | uint32_t name_length; |
34 | | uint8_t *_Nullable part_message; |
35 | | uint32_t part_message_length; |
36 | | }; |
37 | | |
38 | | static void tox_event_group_peer_exit_set_group_number(Tox_Event_Group_Peer_Exit *_Nonnull group_peer_exit, uint32_t group_number) |
39 | 11 | { |
40 | 11 | assert(group_peer_exit != nullptr); |
41 | 11 | group_peer_exit->group_number = group_number; |
42 | 11 | } |
43 | | uint32_t tox_event_group_peer_exit_get_group_number(const Tox_Event_Group_Peer_Exit *group_peer_exit) |
44 | 0 | { |
45 | 0 | assert(group_peer_exit != nullptr); |
46 | 0 | return group_peer_exit->group_number; |
47 | 0 | } |
48 | | |
49 | | static void tox_event_group_peer_exit_set_peer_id(Tox_Event_Group_Peer_Exit *_Nonnull group_peer_exit, uint32_t peer_id) |
50 | 11 | { |
51 | 11 | assert(group_peer_exit != nullptr); |
52 | 11 | group_peer_exit->peer_id = peer_id; |
53 | 11 | } |
54 | | uint32_t tox_event_group_peer_exit_get_peer_id(const Tox_Event_Group_Peer_Exit *group_peer_exit) |
55 | 0 | { |
56 | 0 | assert(group_peer_exit != nullptr); |
57 | 0 | return group_peer_exit->peer_id; |
58 | 0 | } |
59 | | |
60 | | static void tox_event_group_peer_exit_set_exit_type(Tox_Event_Group_Peer_Exit *_Nonnull group_peer_exit, Tox_Group_Exit_Type exit_type) |
61 | 11 | { |
62 | 11 | assert(group_peer_exit != nullptr); |
63 | 11 | group_peer_exit->exit_type = exit_type; |
64 | 11 | } |
65 | | Tox_Group_Exit_Type tox_event_group_peer_exit_get_exit_type(const Tox_Event_Group_Peer_Exit *group_peer_exit) |
66 | 0 | { |
67 | 0 | assert(group_peer_exit != nullptr); |
68 | 0 | return group_peer_exit->exit_type; |
69 | 0 | } |
70 | | |
71 | | static bool tox_event_group_peer_exit_set_name(Tox_Event_Group_Peer_Exit *_Nonnull group_peer_exit, |
72 | | const Memory *_Nonnull mem, const uint8_t *_Nullable name, uint32_t name_length) |
73 | 11 | { |
74 | 11 | assert(group_peer_exit != nullptr); |
75 | 11 | if (group_peer_exit->name != nullptr) { |
76 | 0 | mem_delete(mem, group_peer_exit->name); |
77 | 0 | group_peer_exit->name = nullptr; |
78 | 0 | group_peer_exit->name_length = 0; |
79 | 0 | } |
80 | | |
81 | 11 | if (name == nullptr) { |
82 | 0 | assert(name_length == 0); |
83 | 0 | return true; |
84 | 0 | } |
85 | | |
86 | 11 | if (name_length == 0) { |
87 | 0 | group_peer_exit->name = nullptr; |
88 | 0 | group_peer_exit->name_length = 0; |
89 | 0 | return true; |
90 | 0 | } |
91 | | |
92 | 11 | uint8_t *name_copy = (uint8_t *)mem_balloc(mem, name_length); |
93 | | |
94 | 11 | if (name_copy == nullptr) { |
95 | 0 | return false; |
96 | 0 | } |
97 | | |
98 | 11 | memcpy(name_copy, name, name_length); |
99 | 11 | group_peer_exit->name = name_copy; |
100 | 11 | group_peer_exit->name_length = name_length; |
101 | 11 | return true; |
102 | 11 | } |
103 | | uint32_t tox_event_group_peer_exit_get_name_length(const Tox_Event_Group_Peer_Exit *group_peer_exit) |
104 | 0 | { |
105 | 0 | assert(group_peer_exit != nullptr); |
106 | 0 | return group_peer_exit->name_length; |
107 | 0 | } |
108 | | const uint8_t *tox_event_group_peer_exit_get_name(const Tox_Event_Group_Peer_Exit *group_peer_exit) |
109 | 0 | { |
110 | 0 | assert(group_peer_exit != nullptr); |
111 | 0 | return group_peer_exit->name; |
112 | 0 | } |
113 | | |
114 | | static bool tox_event_group_peer_exit_set_part_message(Tox_Event_Group_Peer_Exit *_Nonnull group_peer_exit, |
115 | | const Memory *_Nonnull mem, const uint8_t *_Nullable part_message, uint32_t part_message_length) |
116 | 11 | { |
117 | 11 | assert(group_peer_exit != nullptr); |
118 | 11 | if (group_peer_exit->part_message != nullptr) { |
119 | 0 | mem_delete(mem, group_peer_exit->part_message); |
120 | 0 | group_peer_exit->part_message = nullptr; |
121 | 0 | group_peer_exit->part_message_length = 0; |
122 | 0 | } |
123 | | |
124 | 11 | if (part_message == nullptr) { |
125 | 0 | assert(part_message_length == 0); |
126 | 0 | return true; |
127 | 0 | } |
128 | | |
129 | 11 | if (part_message_length == 0) { |
130 | 10 | group_peer_exit->part_message = nullptr; |
131 | 10 | group_peer_exit->part_message_length = 0; |
132 | 10 | return true; |
133 | 10 | } |
134 | | |
135 | 1 | uint8_t *part_message_copy = (uint8_t *)mem_balloc(mem, part_message_length); |
136 | | |
137 | 1 | if (part_message_copy == nullptr) { |
138 | 0 | return false; |
139 | 0 | } |
140 | | |
141 | 1 | memcpy(part_message_copy, part_message, part_message_length); |
142 | 1 | group_peer_exit->part_message = part_message_copy; |
143 | 1 | group_peer_exit->part_message_length = part_message_length; |
144 | 1 | return true; |
145 | 1 | } |
146 | | uint32_t tox_event_group_peer_exit_get_part_message_length(const Tox_Event_Group_Peer_Exit *group_peer_exit) |
147 | 1 | { |
148 | 1 | assert(group_peer_exit != nullptr); |
149 | 1 | return group_peer_exit->part_message_length; |
150 | 1 | } |
151 | | const uint8_t *tox_event_group_peer_exit_get_part_message(const Tox_Event_Group_Peer_Exit *group_peer_exit) |
152 | 1 | { |
153 | 1 | assert(group_peer_exit != nullptr); |
154 | 1 | return group_peer_exit->part_message; |
155 | 1 | } |
156 | | |
157 | | static void tox_event_group_peer_exit_construct(Tox_Event_Group_Peer_Exit *_Nonnull group_peer_exit) |
158 | 65 | { |
159 | 65 | *group_peer_exit = (Tox_Event_Group_Peer_Exit) { |
160 | 65 | 0 |
161 | 65 | }; |
162 | 65 | } |
163 | | static void tox_event_group_peer_exit_destruct(Tox_Event_Group_Peer_Exit *_Nonnull group_peer_exit, const Memory *_Nonnull mem) |
164 | 65 | { |
165 | 65 | mem_delete(mem, group_peer_exit->name); |
166 | 65 | mem_delete(mem, group_peer_exit->part_message); |
167 | 65 | } |
168 | | |
169 | | bool tox_event_group_peer_exit_pack( |
170 | | const Tox_Event_Group_Peer_Exit *event, Bin_Pack *bp) |
171 | 28 | { |
172 | 28 | return bin_pack_array(bp, 5) |
173 | 28 | && bin_pack_u32(bp, event->group_number) |
174 | 28 | && bin_pack_u32(bp, event->peer_id) |
175 | 28 | && tox_group_exit_type_pack(event->exit_type, bp) |
176 | 28 | && bin_pack_bin(bp, event->name, event->name_length) |
177 | 28 | && bin_pack_bin(bp, event->part_message, event->part_message_length); |
178 | 28 | } |
179 | | |
180 | | static bool tox_event_group_peer_exit_unpack_into(Tox_Event_Group_Peer_Exit *_Nonnull event, Bin_Unpack *_Nonnull bu) |
181 | 54 | { |
182 | 54 | assert(event != nullptr); |
183 | 54 | if (!bin_unpack_array_fixed(bu, 5, nullptr)) { |
184 | 3 | return false; |
185 | 3 | } |
186 | | |
187 | 51 | return bin_unpack_u32(bu, &event->group_number) |
188 | 51 | && bin_unpack_u32(bu, &event->peer_id) |
189 | 51 | && tox_group_exit_type_unpack(&event->exit_type, bu) |
190 | 51 | && bin_unpack_bin(bu, &event->name, &event->name_length) |
191 | 51 | && bin_unpack_bin(bu, &event->part_message, &event->part_message_length); |
192 | 54 | } |
193 | | |
194 | | /***************************************************** |
195 | | * |
196 | | * :: new/free/add/get/size/unpack |
197 | | * |
198 | | *****************************************************/ |
199 | | |
200 | | const Tox_Event_Group_Peer_Exit *tox_event_get_group_peer_exit(const Tox_Event *event) |
201 | 0 | { |
202 | 0 | return event->type == TOX_EVENT_GROUP_PEER_EXIT ? event->data.group_peer_exit : nullptr; |
203 | 0 | } |
204 | | |
205 | | Tox_Event_Group_Peer_Exit *tox_event_group_peer_exit_new(const Memory *mem) |
206 | 66 | { |
207 | 66 | Tox_Event_Group_Peer_Exit *const group_peer_exit = |
208 | 66 | (Tox_Event_Group_Peer_Exit *)mem_alloc(mem, sizeof(Tox_Event_Group_Peer_Exit)); |
209 | | |
210 | 66 | if (group_peer_exit == nullptr) { |
211 | 1 | return nullptr; |
212 | 1 | } |
213 | | |
214 | 65 | tox_event_group_peer_exit_construct(group_peer_exit); |
215 | 65 | return group_peer_exit; |
216 | 66 | } |
217 | | |
218 | | void tox_event_group_peer_exit_free(Tox_Event_Group_Peer_Exit *group_peer_exit, const Memory *mem) |
219 | 66 | { |
220 | 66 | if (group_peer_exit != nullptr) { |
221 | 65 | tox_event_group_peer_exit_destruct(group_peer_exit, mem); |
222 | 65 | } |
223 | 66 | mem_delete(mem, group_peer_exit); |
224 | 66 | } |
225 | | |
226 | | static Tox_Event_Group_Peer_Exit *_Nullable tox_events_add_group_peer_exit(Tox_Events *_Nonnull events, const Memory *_Nonnull mem) |
227 | 11 | { |
228 | 11 | Tox_Event_Group_Peer_Exit *const group_peer_exit = tox_event_group_peer_exit_new(mem); |
229 | | |
230 | 11 | if (group_peer_exit == nullptr) { |
231 | 0 | return nullptr; |
232 | 0 | } |
233 | | |
234 | 11 | Tox_Event event; |
235 | 11 | event.type = TOX_EVENT_GROUP_PEER_EXIT; |
236 | 11 | event.data.group_peer_exit = group_peer_exit; |
237 | | |
238 | 11 | if (!tox_events_add(events, &event)) { |
239 | 0 | tox_event_group_peer_exit_free(group_peer_exit, mem); |
240 | 0 | return nullptr; |
241 | 0 | } |
242 | 11 | return group_peer_exit; |
243 | 11 | } |
244 | | |
245 | | bool tox_event_group_peer_exit_unpack( |
246 | | Tox_Event_Group_Peer_Exit **event, Bin_Unpack *bu, const Memory *mem) |
247 | 55 | { |
248 | 55 | assert(event != nullptr); |
249 | 55 | assert(*event == nullptr); |
250 | 55 | *event = tox_event_group_peer_exit_new(mem); |
251 | | |
252 | 55 | if (*event == nullptr) { |
253 | 1 | return false; |
254 | 1 | } |
255 | | |
256 | 54 | return tox_event_group_peer_exit_unpack_into(*event, bu); |
257 | 55 | } |
258 | | |
259 | | static Tox_Event_Group_Peer_Exit *_Nullable tox_event_group_peer_exit_alloc(Tox_Events_State *_Nonnull state) |
260 | 11 | { |
261 | 11 | if (state->events == nullptr) { |
262 | 0 | return nullptr; |
263 | 0 | } |
264 | | |
265 | 11 | Tox_Event_Group_Peer_Exit *group_peer_exit = tox_events_add_group_peer_exit(state->events, state->mem); |
266 | | |
267 | 11 | if (group_peer_exit == nullptr) { |
268 | 0 | state->error = TOX_ERR_EVENTS_ITERATE_MALLOC; |
269 | 0 | return nullptr; |
270 | 0 | } |
271 | | |
272 | 11 | return group_peer_exit; |
273 | 11 | } |
274 | | |
275 | | /***************************************************** |
276 | | * |
277 | | * :: event handler |
278 | | * |
279 | | *****************************************************/ |
280 | | |
281 | | void tox_events_handle_group_peer_exit( |
282 | | Tox *_Nonnull tox, |
283 | | uint32_t group_number, |
284 | | uint32_t peer_id, |
285 | | Tox_Group_Exit_Type exit_type, |
286 | | const uint8_t *_Nullable name, size_t name_length, |
287 | | const uint8_t *_Nullable part_message, size_t part_message_length, |
288 | | void *_Nullable user_data) |
289 | 11 | { |
290 | 11 | Tox_Events_State *state = tox_events_alloc(user_data); |
291 | 11 | Tox_Event_Group_Peer_Exit *group_peer_exit = tox_event_group_peer_exit_alloc(state); |
292 | | |
293 | 11 | if (group_peer_exit == nullptr) { |
294 | 0 | return; |
295 | 0 | } |
296 | | |
297 | 11 | tox_event_group_peer_exit_set_group_number(group_peer_exit, group_number); |
298 | 11 | tox_event_group_peer_exit_set_peer_id(group_peer_exit, peer_id); |
299 | 11 | tox_event_group_peer_exit_set_exit_type(group_peer_exit, exit_type); |
300 | 11 | if (!tox_event_group_peer_exit_set_name(group_peer_exit, state->mem, name, name_length)) { |
301 | 0 | tox_event_group_peer_exit_free(group_peer_exit, state->mem); |
302 | 0 | state->error = TOX_ERR_EVENTS_ITERATE_MALLOC; |
303 | 0 | return; |
304 | 0 | } |
305 | 11 | if (!tox_event_group_peer_exit_set_part_message(group_peer_exit, state->mem, part_message, part_message_length)) { |
306 | 0 | tox_event_group_peer_exit_free(group_peer_exit, state->mem); |
307 | 0 | state->error = TOX_ERR_EVENTS_ITERATE_MALLOC; |
308 | 0 | return; |
309 | 0 | } |
310 | 11 | } |
311 | | |
312 | | void tox_events_handle_group_peer_exit_dispatch(Tox *tox, const Tox_Event_Group_Peer_Exit *event, void *user_data) |
313 | 0 | { |
314 | 0 | if (tox->group_peer_exit_callback == nullptr) { |
315 | 0 | return; |
316 | 0 | } |
317 | | |
318 | 0 | tox_unlock(tox); |
319 | 0 | tox->group_peer_exit_callback(tox, event->group_number, event->peer_id, event->exit_type, event->name, event->name_length, event->part_message, event->part_message_length, user_data); |
320 | 0 | tox_lock(tox); |
321 | 0 | } |