/* SPDX-License-Identifier: GPL-3.0-or-later
* Copyright © 2016-2018 The TokTok team.
* Copyright © 2014 Tox project.
*/
/**
* Handle friend requests.
#ifndef C_TOXCORE_TOXCORE_FRIEND_REQUESTS_H
#define C_TOXCORE_TOXCORE_FRIEND_REQUESTS_H
#include <stddef.h>
#include "attributes.h"
#include "friend_connection.h"
// TODO(Jfreegman): This should be the maximum size that an onion client can handle.
#define MAX_FRIEND_REQUEST_DATA_SIZE (ONION_CLIENT_MAX_DATA_SIZE - 100)
typedef struct Friend_Requests Friend_Requests;
/** Set and get the nospam variable used to prevent one type of friend request spam. */
non_null() void set_nospam(Friend_Requests *fr, uint32_t num);
non_null() uint32_t get_nospam(const Friend_Requests *fr);
/** @brief Remove real_pk from received_requests list.
*
* @retval 0 if it removed it successfully.
* @retval -1 if it didn't find it.
non_null()
int remove_request_received(Friend_Requests *fr, const uint8_t *real_pk);
typedef void fr_friend_request_cb(void *object, const uint8_t *public_key, const uint8_t *message, size_t length,
void *user_data);
/** Set the function that will be executed when a friend request for us is received. */
void callback_friendrequest(Friend_Requests *fr, fr_friend_request_cb *function, void *object);
typedef int filter_function_cb(void *object, const uint8_t *public_key);
/** @brief Set the function used to check if a friend request should be displayed to the user or not.
* It must return 0 if the request is ok (anything else if it is bad).
void set_filter_function(Friend_Requests *fr, filter_function_cb *function, void *userdata);
/** Sets up friendreq packet handlers. */
void friendreq_init(Friend_Requests *fr, Friend_Connections *fr_c);
Friend_Requests *friendreq_new(void);
nullable(1)
void friendreq_kill(Friend_Requests *fr);
#endif /* C_TOXCORE_TOXCORE_FRIEND_REQUESTS_H */
