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66 lines
2.3 KiB
C
66 lines
2.3 KiB
C
/* friend_requests.h
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*
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* Handle friend requests.
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*
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* Copyright (C) 2013 Tox project All Rights Reserved.
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*
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* This file is part of Tox.
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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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*/
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#ifndef FRIEND_REQUESTS_H
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#define FRIEND_REQUESTS_H
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#include "DHT.h"
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#include "net_crypto.h"
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typedef struct {
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uint32_t nospam;
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void (*handle_friendrequest)(uint8_t *, uint8_t *, uint16_t, void *);
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uint8_t handle_friendrequest_isset;
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void *handle_friendrequest_userdata;
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/* NOTE: The following is just a temporary fix for the multiple friend requests received at the same time problem.
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* TODO: Make this better (This will most likely tie in with the way we will handle spam.)
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*/
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#define MAX_RECEIVED_STORED 32
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uint8_t received_requests[MAX_RECEIVED_STORED][crypto_box_PUBLICKEYBYTES];
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uint16_t received_requests_index;
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} Friend_Requests;
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/* Try to send a friendrequest to peer with public_key.
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* data is the data in the request and length is the length.
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*/
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int send_friendrequest(DHT *dht, uint8_t *public_key, uint32_t nospam_num, uint8_t *data, uint32_t length);
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/* Set and get the nospam variable used to prevent one type of friend request spam. */
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void set_nospam(Friend_Requests *fr, uint32_t num);
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uint32_t get_nospam(Friend_Requests *fr);
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/* Set the function that will be executed when a friend request for us is received.
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* Function format is function(uint8_t * public_key, uint8_t * data, uint16_t length)
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*/
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void callback_friendrequest(Friend_Requests *fr, void (*function)(uint8_t *, uint8_t *, uint16_t, void *),
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void *userdata);
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/* Sets up friendreq packet handlers. */
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void friendreq_init(Friend_Requests *fr, Net_Crypto *c);
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#endif
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