1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
/* friend_requests.h
*
* Handle friend requests.
*
* Copyright (C) 2013 Tox project All Rights Reserved.
*
* This file is part of Tox.
*
* Tox is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Tox is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Tox. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef FRIEND_REQUESTS_H
#define FRIEND_REQUESTS_H
#include "DHT.h"
#include "net_crypto.h"
typedef struct {
uint32_t nospam;
void (*handle_friendrequest)(uint8_t *, uint8_t *, uint16_t, void *);
uint8_t handle_friendrequest_isset;
void *handle_friendrequest_userdata;
/* NOTE: The following is just a temporary fix for the multiple friend requests received at the same time problem.
* TODO: Make this better (This will most likely tie in with the way we will handle spam.)
*/
#define MAX_RECEIVED_STORED 32
uint8_t received_requests[MAX_RECEIVED_STORED][crypto_box_PUBLICKEYBYTES];
uint16_t received_requests_index;
} Friend_Requests;
/* Try to send a friendrequest to peer with public_key.
* data is the data in the request and length is the length.
*/
int send_friendrequest(DHT *dht, uint8_t *public_key, uint32_t nospam_num, uint8_t *data, uint32_t length);
/* Set and get the nospam variable used to prevent one type of friend request spam. */
void set_nospam(Friend_Requests *fr, uint32_t num);
uint32_t get_nospam(Friend_Requests *fr);
/* Set the function that will be executed when a friend request for us is received.
* Function format is function(uint8_t * public_key, uint8_t * data, uint16_t length)
*/
void callback_friendrequest(Friend_Requests *fr, void (*function)(uint8_t *, uint8_t *, uint16_t, void *),
void *userdata);
/* Sets up friendreq packet handlers. */
void friendreq_init(Friend_Requests *fr, Net_Crypto *c);
#endif
|
