/* 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

/* 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(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(uint32_t num);
uint32_t get_nospam();

/* 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(void (*function)(uint8_t *, uint8_t *, uint16_t, void*), void* userdata);

/* sets up friendreq packet handlers */
void friendreq_init(void);

#ifdef __cplusplus
}
#endif

#endif