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75 lines
2.1 KiB
C
75 lines
2.1 KiB
C
/*
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* Buffered pinging using cyclic arrays.
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*/
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/*
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* Copyright © 2016-2018 The TokTok team.
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* Copyright © 2013 Tox project.
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* Copyright © 2013 plutooo
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*
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* This file is part of Tox, the free peer to peer instant messenger.
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* This file is donated to the Tox Project.
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*
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* Tox is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Tox is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Tox. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef C_TOXCORE_TOXCORE_PING_H
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#define C_TOXCORE_TOXCORE_PING_H
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#include "DHT.h"
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#include "network.h"
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#include <stdint.h>
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#ifndef IP_PORT_DEFINED
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#define IP_PORT_DEFINED
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typedef struct IP_Port IP_Port;
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#endif /* IP_PORT_DEFINED */
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#ifndef DHT_DEFINED
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#define DHT_DEFINED
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typedef struct DHT DHT;
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#endif /* DHT_DEFINED */
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#ifndef MONO_TIME_DEFINED
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#define MONO_TIME_DEFINED
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typedef struct Mono_Time Mono_Time;
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#endif /* MONO_TIME_DEFINED */
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#ifndef PING_DEFINED
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#define PING_DEFINED
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typedef struct Ping Ping;
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#endif /* PING_DEFINED */
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Ping *ping_new(const struct Mono_Time *mono_time, DHT *dht);
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void ping_kill(Ping *ping);
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/** Add nodes to the to_ping list.
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* All nodes in this list are pinged every TIME_TOPING seconds
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* and are then removed from the list.
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* If the list is full the nodes farthest from our public_key are replaced.
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* The purpose of this list is to enable quick integration of new nodes into the
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* network while preventing amplification attacks.
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*
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* return 0 if node was added.
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* return -1 if node was not added.
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*/
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int32_t ping_add(Ping *ping, const uint8_t *public_key, struct IP_Port ip_port);
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void ping_iterate(Ping *ping);
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int32_t ping_send_request(Ping *ping, struct IP_Port ipp, const uint8_t *public_key);
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#endif // C_TOXCORE_TOXCORE_PING_H
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