toxcore/core/friend_requests.h
2013-08-20 12:08:55 -04:00

70 lines
2.3 KiB
C

/* 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"
#ifdef __cplusplus
extern "C" {
#endif
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);
#ifdef __cplusplus
}
#endif
#endif