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56 lines
1.1 KiB
C
56 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-3.0-or-later
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* Copyright © 2016-2018 The TokTok team.
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* Copyright © 2013 Tox project.
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*/
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/**
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* LAN discovery implementation.
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*/
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#ifndef C_TOXCORE_TOXCORE_LAN_DISCOVERY_H
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#define C_TOXCORE_TOXCORE_LAN_DISCOVERY_H
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#include "DHT.h"
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/**
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* Interval in seconds between LAN discovery packet sending.
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*/
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#define LAN_DISCOVERY_INTERVAL 10
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typedef struct Broadcast_Info Broadcast_Info;
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/**
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* Send a LAN discovery pcaket to the broadcast address with port port.
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*
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* @return true on success, false on failure.
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*/
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non_null()
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bool lan_discovery_send(Networking_Core *net, const Broadcast_Info *broadcast, const uint8_t *dht_pk, uint16_t port);
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/**
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* Sets up packet handlers.
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*/
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non_null()
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Broadcast_Info *lan_discovery_init(DHT *dht);
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/**
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* Clear packet handlers.
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*/
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non_null()
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void lan_discovery_kill(DHT *dht, Broadcast_Info *info);
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/**
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* Is IP a local ip or not.
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*/
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non_null()
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bool ip_is_local(const IP *ip);
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/**
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* Checks if a given IP isn't routable.
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*
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* @return true if ip is a LAN ip, false if it is not.
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*/
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non_null()
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bool ip_is_lan(const IP *ip);
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#endif // C_TOXCORE_TOXCORE_LAN_DISCOVERY_H
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