toxcore/toxcore/ping.h
2014-06-10 20:54:48 +02:00

48 lines
1.6 KiB
C

/*
* ping.h -- Buffered pinging using cyclic arrays.
*
* This file is donated to the Tox Project.
* Copyright 2013 plutooo
*
* 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 __PING_H__
#define __PING_H__
typedef struct PING PING;
/* Add nodes to the to_ping list.
* All nodes in this list are pinged every TIME_TOPING seconds
* and are then removed from the list.
* If the list is full the nodes farthest from our client_id are replaced.
* The purpose of this list is to enable quick integration of new nodes into the
* network while preventing amplification attacks.
*
* return 0 if node was added.
* return -1 if node was not added.
*/
int add_to_ping(PING *ping, const uint8_t *client_id, IP_Port ip_port);
void do_to_ping(PING *ping);
PING *new_ping(DHT *dht);
void kill_ping(PING *ping);
int send_ping_request(PING *ping, IP_Port ipp, const uint8_t *client_id);
#endif /* __PING_H__ */