/work/toxcore/events/conference_message.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_Conference_Message { |
29 | | uint32_t conference_number; |
30 | | uint32_t peer_number; |
31 | | Tox_Message_Type type; |
32 | | uint8_t *_Nullable message; |
33 | | uint32_t message_length; |
34 | | }; |
35 | | |
36 | | static void tox_event_conference_message_set_conference_number(Tox_Event_Conference_Message *_Nonnull conference_message, uint32_t conference_number) |
37 | 19 | { |
38 | 19 | assert(conference_message != nullptr); |
39 | 19 | conference_message->conference_number = conference_number; |
40 | 19 | } |
41 | | uint32_t tox_event_conference_message_get_conference_number(const Tox_Event_Conference_Message *conference_message) |
42 | 0 | { |
43 | 0 | assert(conference_message != nullptr); |
44 | 0 | return conference_message->conference_number; |
45 | 0 | } |
46 | | |
47 | | static void tox_event_conference_message_set_peer_number(Tox_Event_Conference_Message *_Nonnull conference_message, uint32_t peer_number) |
48 | 19 | { |
49 | 19 | assert(conference_message != nullptr); |
50 | 19 | conference_message->peer_number = peer_number; |
51 | 19 | } |
52 | | uint32_t tox_event_conference_message_get_peer_number(const Tox_Event_Conference_Message *conference_message) |
53 | 0 | { |
54 | 0 | assert(conference_message != nullptr); |
55 | 0 | return conference_message->peer_number; |
56 | 0 | } |
57 | | |
58 | | static void tox_event_conference_message_set_type(Tox_Event_Conference_Message *_Nonnull conference_message, Tox_Message_Type type) |
59 | 19 | { |
60 | 19 | assert(conference_message != nullptr); |
61 | 19 | conference_message->type = type; |
62 | 19 | } |
63 | | Tox_Message_Type tox_event_conference_message_get_type(const Tox_Event_Conference_Message *conference_message) |
64 | 0 | { |
65 | 0 | assert(conference_message != nullptr); |
66 | 0 | return conference_message->type; |
67 | 0 | } |
68 | | |
69 | | static bool tox_event_conference_message_set_message(Tox_Event_Conference_Message *_Nonnull conference_message, |
70 | | const Memory *_Nonnull mem, const uint8_t *_Nullable message, uint32_t message_length) |
71 | 19 | { |
72 | 19 | assert(conference_message != nullptr); |
73 | 19 | if (conference_message->message != nullptr) { |
74 | 0 | mem_delete(mem, conference_message->message); |
75 | 0 | conference_message->message = nullptr; |
76 | 0 | conference_message->message_length = 0; |
77 | 0 | } |
78 | | |
79 | 19 | if (message == nullptr) { |
80 | 0 | assert(message_length == 0); |
81 | 0 | return true; |
82 | 0 | } |
83 | | |
84 | 19 | if (message_length == 0) { |
85 | 0 | conference_message->message = nullptr; |
86 | 0 | conference_message->message_length = 0; |
87 | 0 | return true; |
88 | 0 | } |
89 | | |
90 | 19 | uint8_t *message_copy = (uint8_t *)mem_balloc(mem, message_length); |
91 | | |
92 | 19 | if (message_copy == nullptr) { |
93 | 0 | return false; |
94 | 0 | } |
95 | | |
96 | 19 | memcpy(message_copy, message, message_length); |
97 | 19 | conference_message->message = message_copy; |
98 | 19 | conference_message->message_length = message_length; |
99 | 19 | return true; |
100 | 19 | } |
101 | | uint32_t tox_event_conference_message_get_message_length(const Tox_Event_Conference_Message *conference_message) |
102 | 0 | { |
103 | 0 | assert(conference_message != nullptr); |
104 | 0 | return conference_message->message_length; |
105 | 0 | } |
106 | | const uint8_t *tox_event_conference_message_get_message(const Tox_Event_Conference_Message *conference_message) |
107 | 18 | { |
108 | 18 | assert(conference_message != nullptr); |
109 | 18 | return conference_message->message; |
110 | 18 | } |
111 | | |
112 | | static void tox_event_conference_message_construct(Tox_Event_Conference_Message *_Nonnull conference_message) |
113 | 40 | { |
114 | 40 | *conference_message = (Tox_Event_Conference_Message) { |
115 | 40 | 0 |
116 | 40 | }; |
117 | 40 | } |
118 | | static void tox_event_conference_message_destruct(Tox_Event_Conference_Message *_Nonnull conference_message, const Memory *_Nonnull mem) |
119 | 40 | { |
120 | 40 | mem_delete(mem, conference_message->message); |
121 | 40 | } |
122 | | |
123 | | bool tox_event_conference_message_pack( |
124 | | const Tox_Event_Conference_Message *event, Bin_Pack *bp) |
125 | 20 | { |
126 | 20 | return bin_pack_array(bp, 4) |
127 | 20 | && bin_pack_u32(bp, event->conference_number) |
128 | 20 | && bin_pack_u32(bp, event->peer_number) |
129 | 20 | && tox_message_type_pack(event->type, bp) |
130 | 20 | && bin_pack_bin(bp, event->message, event->message_length); |
131 | 20 | } |
132 | | |
133 | | static bool tox_event_conference_message_unpack_into(Tox_Event_Conference_Message *_Nonnull event, Bin_Unpack *_Nonnull bu) |
134 | 21 | { |
135 | 21 | assert(event != nullptr); |
136 | 21 | if (!bin_unpack_array_fixed(bu, 4, nullptr)) { |
137 | 1 | return false; |
138 | 1 | } |
139 | | |
140 | 20 | return bin_unpack_u32(bu, &event->conference_number) |
141 | 20 | && bin_unpack_u32(bu, &event->peer_number) |
142 | 20 | && tox_message_type_unpack(&event->type, bu) |
143 | 20 | && bin_unpack_bin(bu, &event->message, &event->message_length); |
144 | 21 | } |
145 | | |
146 | | /***************************************************** |
147 | | * |
148 | | * :: new/free/add/get/size/unpack |
149 | | * |
150 | | *****************************************************/ |
151 | | |
152 | | const Tox_Event_Conference_Message *tox_event_get_conference_message(const Tox_Event *event) |
153 | 0 | { |
154 | 0 | return event->type == TOX_EVENT_CONFERENCE_MESSAGE ? event->data.conference_message : nullptr; |
155 | 0 | } |
156 | | |
157 | | Tox_Event_Conference_Message *tox_event_conference_message_new(const Memory *mem) |
158 | 41 | { |
159 | 41 | Tox_Event_Conference_Message *const conference_message = |
160 | 41 | (Tox_Event_Conference_Message *)mem_alloc(mem, sizeof(Tox_Event_Conference_Message)); |
161 | | |
162 | 41 | if (conference_message == nullptr) { |
163 | 1 | return nullptr; |
164 | 1 | } |
165 | | |
166 | 40 | tox_event_conference_message_construct(conference_message); |
167 | 40 | return conference_message; |
168 | 41 | } |
169 | | |
170 | | void tox_event_conference_message_free(Tox_Event_Conference_Message *conference_message, const Memory *mem) |
171 | 41 | { |
172 | 41 | if (conference_message != nullptr) { |
173 | 40 | tox_event_conference_message_destruct(conference_message, mem); |
174 | 40 | } |
175 | 41 | mem_delete(mem, conference_message); |
176 | 41 | } |
177 | | |
178 | | static Tox_Event_Conference_Message *_Nullable tox_events_add_conference_message(Tox_Events *_Nonnull events, const Memory *_Nonnull mem) |
179 | 19 | { |
180 | 19 | Tox_Event_Conference_Message *const conference_message = tox_event_conference_message_new(mem); |
181 | | |
182 | 19 | if (conference_message == nullptr) { |
183 | 0 | return nullptr; |
184 | 0 | } |
185 | | |
186 | 19 | Tox_Event event; |
187 | 19 | event.type = TOX_EVENT_CONFERENCE_MESSAGE; |
188 | 19 | event.data.conference_message = conference_message; |
189 | | |
190 | 19 | if (!tox_events_add(events, &event)) { |
191 | 0 | tox_event_conference_message_free(conference_message, mem); |
192 | 0 | return nullptr; |
193 | 0 | } |
194 | 19 | return conference_message; |
195 | 19 | } |
196 | | |
197 | | bool tox_event_conference_message_unpack( |
198 | | Tox_Event_Conference_Message **event, Bin_Unpack *bu, const Memory *mem) |
199 | 22 | { |
200 | 22 | assert(event != nullptr); |
201 | 22 | assert(*event == nullptr); |
202 | 22 | *event = tox_event_conference_message_new(mem); |
203 | | |
204 | 22 | if (*event == nullptr) { |
205 | 1 | return false; |
206 | 1 | } |
207 | | |
208 | 21 | return tox_event_conference_message_unpack_into(*event, bu); |
209 | 22 | } |
210 | | |
211 | | static Tox_Event_Conference_Message *_Nullable tox_event_conference_message_alloc(Tox_Events_State *_Nonnull state) |
212 | 19 | { |
213 | 19 | if (state->events == nullptr) { |
214 | 0 | return nullptr; |
215 | 0 | } |
216 | | |
217 | 19 | Tox_Event_Conference_Message *conference_message = tox_events_add_conference_message(state->events, state->mem); |
218 | | |
219 | 19 | if (conference_message == nullptr) { |
220 | 0 | state->error = TOX_ERR_EVENTS_ITERATE_MALLOC; |
221 | 0 | return nullptr; |
222 | 0 | } |
223 | | |
224 | 19 | return conference_message; |
225 | 19 | } |
226 | | |
227 | | /***************************************************** |
228 | | * |
229 | | * :: event handler |
230 | | * |
231 | | *****************************************************/ |
232 | | |
233 | | void tox_events_handle_conference_message( |
234 | | Tox *_Nonnull tox, |
235 | | uint32_t conference_number, |
236 | | uint32_t peer_number, |
237 | | Tox_Message_Type type, |
238 | | const uint8_t *_Nullable message, size_t length, |
239 | | void *_Nullable user_data) |
240 | 19 | { |
241 | 19 | Tox_Events_State *state = tox_events_alloc(user_data); |
242 | 19 | Tox_Event_Conference_Message *conference_message = tox_event_conference_message_alloc(state); |
243 | | |
244 | 19 | if (conference_message == nullptr) { |
245 | 0 | return; |
246 | 0 | } |
247 | | |
248 | 19 | tox_event_conference_message_set_conference_number(conference_message, conference_number); |
249 | 19 | tox_event_conference_message_set_peer_number(conference_message, peer_number); |
250 | 19 | tox_event_conference_message_set_type(conference_message, type); |
251 | 19 | if (!tox_event_conference_message_set_message(conference_message, state->mem, message, length)) { |
252 | 0 | tox_event_conference_message_free(conference_message, state->mem); |
253 | 0 | state->error = TOX_ERR_EVENTS_ITERATE_MALLOC; |
254 | 0 | return; |
255 | 0 | } |
256 | 19 | } |
257 | | |
258 | | void tox_events_handle_conference_message_dispatch(Tox *tox, const Tox_Event_Conference_Message *event, void *user_data) |
259 | 0 | { |
260 | 0 | if (tox->conference_message_callback == nullptr) { |
261 | 0 | return; |
262 | 0 | } |
263 | | |
264 | 0 | tox_unlock(tox); |
265 | 0 | tox->conference_message_callback(tox, event->conference_number, event->peer_number, event->type, event->message, event->message_length, user_data); |
266 | 0 | tox_lock(tox); |
267 | 0 | } |